changeset 14339:6d60dfa5e3f8

8145547: [AWT/Swing] Conditional support for GTK 3 on Linux Reviewed-by: prr, alexsch
author ssadetsky
date Mon, 25 Apr 2016 15:37:31 +0300
parents 9339eb17a38d
children f60e53156db3
files make/mapfiles/libawt_xawt/mapfile-vers src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKEngine.java src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKLookAndFeel.java src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKPainter.java src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKStyle.java src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java src/java.desktop/unix/classes/sun/awt/X11/XDesktopPeer.java src/java.desktop/unix/classes/sun/awt/X11/XTaskbarPeer.java src/java.desktop/unix/classes/sun/awt/X11/XToolkit.java src/java.desktop/unix/native/libawt_xawt/awt/awt_Robot.c src/java.desktop/unix/native/libawt_xawt/awt/awt_UNIXToolkit.c src/java.desktop/unix/native/libawt_xawt/awt/gtk2_interface.c src/java.desktop/unix/native/libawt_xawt/awt/gtk2_interface.h src/java.desktop/unix/native/libawt_xawt/awt/gtk3_interface.c src/java.desktop/unix/native/libawt_xawt/awt/gtk3_interface.h src/java.desktop/unix/native/libawt_xawt/awt/gtk_interface.c src/java.desktop/unix/native/libawt_xawt/awt/gtk_interface.h src/java.desktop/unix/native/libawt_xawt/awt/sun_awt_X11_GtkFileDialogPeer.c src/java.desktop/unix/native/libawt_xawt/awt/swing_GTKEngine.c src/java.desktop/unix/native/libawt_xawt/awt/swing_GTKStyle.c src/java.desktop/unix/native/libawt_xawt/xawt/awt_Desktop.c src/java.desktop/unix/native/libawt_xawt/xawt/awt_Taskbar.c src/java.desktop/unix/native/libawt_xawt/xawt/awt_Taskbar.h src/java.desktop/unix/native/libawt_xawt/xawt/gnome_interface.h
diffstat 24 files changed, 4862 insertions(+), 930 deletions(-) [+]
line wrap: on
line diff
--- a/make/mapfiles/libawt_xawt/mapfile-vers	Fri Apr 22 01:59:35 2016 +0300
+++ b/make/mapfiles/libawt_xawt/mapfile-vers	Mon Apr 25 15:37:31 2016 +0300
@@ -179,6 +179,7 @@
         Java_sun_awt_UNIXToolkit_load_1gtk_1icon;
         Java_sun_awt_UNIXToolkit_nativeSync;
         Java_sun_awt_UNIXToolkit_gtkCheckVersionImpl;
+        Java_sun_awt_UNIXToolkit_get_1gtk_1version;
         Java_java_awt_AWTEvent_initIDs;
         Java_java_awt_event_InputEvent_initIDs;
         Java_java_awt_event_KeyEvent_initIDs;
--- a/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKEngine.java	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKEngine.java	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -158,8 +158,8 @@
             int widgetType, int state, int shadowType, String detail,
             int x, int y, int width, int height, int synthState, int dir);
     private native void native_paint_slider(
-            int widgetType, int state, int shadowType, String detail,
-            int x, int y, int width, int height, int orientation);
+            int widgetType, int state, int shadowType, String detail, int x,
+            int y, int width, int height, int orientation, boolean hasFocus);
     private native void native_paint_vline(
             int widgetType, int state, String detail,
             int x, int y, int width, int height);
@@ -491,6 +491,14 @@
         int gtkState =
             GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
         int synthState = context.getComponentState();
+        Container parent = context.getComponent().getParent();
+        if(GTKLookAndFeel.is3()) {
+            if (parent != null && parent.getParent() instanceof JComboBox) {
+                if (parent.getParent().hasFocus()) {
+                    synthState |= SynthConstants.FOCUSED;
+                }
+            }
+        }
         int dir = getTextDirection(context);
         int widget = getWidgetType(context.getComponent(), id).ordinal();
         native_paint_shadow(widget, gtkState, shadowType.ordinal(), detail,
@@ -498,13 +506,13 @@
     }
 
     public void paintSlider(Graphics g, SynthContext context,
-            Region id, int state, ShadowType shadowType, String detail,
-            int x, int y, int w, int h, Orientation orientation) {
+            Region id, int state, ShadowType shadowType, String detail, int x,
+            int y, int w, int h, Orientation orientation, boolean hasFocus) {
 
         state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
         int widget = getWidgetType(context.getComponent(), id).ordinal();
         native_paint_slider(widget, state, shadowType.ordinal(), detail,
-                            x - x0, y - y0, w, h, orientation.ordinal());
+                         x - x0, y - y0, w, h, orientation.ordinal(), hasFocus);
     }
 
     public void paintVline(Graphics g, SynthContext context,
--- a/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKLookAndFeel.java	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKLookAndFeel.java	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -54,7 +54,8 @@
  */
 @SuppressWarnings("serial") // Superclass not serializable
 public class GTKLookAndFeel extends SynthLookAndFeel {
-    private static final boolean IS_22;
+    private static boolean IS_22;
+    private static boolean IS_3;
 
     /**
      * Whether or not text is drawn antialiased.  This keys off the
@@ -107,17 +108,6 @@
     private static String gtkThemeName = "Default";
 
     static {
-        // Backup for specifying the version, this isn't currently documented.
-        // If you pass in anything but 2.2 you got the 2.0 colors/look.
-        String version = AccessController.doPrivileged(
-               new GetPropertyAction("swing.gtk.version"));
-        if (version != null) {
-            IS_22 = version.equals("2.2");
-        }
-        else {
-            IS_22 = true;
-        }
-
         String language = Locale.getDefault().getLanguage();
         boolean cjkLocale =
             (Locale.CHINESE.getLanguage().equals(language) ||
@@ -158,6 +148,10 @@
         return IS_22;
     }
 
+    static boolean is3() {
+        return IS_3;
+    }
+
     /**
      * Maps a swing constant to a GTK constant.
      */
@@ -1460,6 +1454,19 @@
             throw new InternalError("Unable to load native GTK libraries");
         }
 
+        if (UNIXToolkit.getGtkVersion() == UNIXToolkit.GtkVersions.GTK2) {
+            String version = AccessController.doPrivileged(
+                    new GetPropertyAction("jdk.gtk.version"));
+            if (version != null) {
+                IS_22 = version.equals("2.2");
+            } else {
+                IS_22 = true;
+            }
+        } else if (UNIXToolkit.getGtkVersion() ==
+                                UNIXToolkit.GtkVersions.GTK3) {
+            IS_3 = true;
+        }
+
         super.initialize();
         inInitialize = true;
         loadStyles();
--- a/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKPainter.java	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKPainter.java	Mon Apr 25 15:37:31 2016 +0300
@@ -768,6 +768,15 @@
         // The ubuntulooks engine paints slider troughs differently depending
         // on the current slider value and its component orientation.
         JSlider slider = (JSlider)context.getComponent();
+        if (GTKLookAndFeel.is3()) {
+            if (slider.getOrientation() == JSlider.VERTICAL) {
+                y += 1;
+                h -= 2;
+            } else {
+                x += 1;
+                w -= 2;
+            }
+        }
         double value = slider.getValue();
         double min = slider.getMinimum();
         double max = slider.getMaximum();
@@ -801,15 +810,19 @@
         Region id = context.getRegion();
         int gtkState = GTKLookAndFeel.synthStateToGTKState(
                 id, context.getComponentState());
+        boolean hasFocus = GTKLookAndFeel.is3() &&
+                ((context.getComponentState() & SynthConstants.FOCUSED) != 0);
         synchronized (UNIXToolkit.GTK_LOCK) {
-            if (! ENGINE.paintCachedImage(g, x, y, w, h, id, gtkState, dir)) {
+            if (! ENGINE.paintCachedImage(g, x, y, w, h, id, gtkState, dir,
+                                                                    hasFocus)) {
                 Orientation orientation = (dir == JSlider.HORIZONTAL ?
                     Orientation.HORIZONTAL : Orientation.VERTICAL);
                 String detail = (dir == JSlider.HORIZONTAL ?
                     "hscale" : "vscale");
                 ENGINE.startPainting(g, x, y, w, h, id, gtkState, dir);
                 ENGINE.paintSlider(g, context, id, gtkState,
-                        ShadowType.OUT, detail, x, y, w, h, orientation);
+                        ShadowType.OUT, detail, x, y, w, h, orientation,
+                                                                     hasFocus);
                 ENGINE.finishPainting();
             }
         }
@@ -988,15 +1001,21 @@
             int yThickness = style.getYThickness();
 
             ENGINE.startPainting(g, x, y, w, h, id, state);
+            if (GTKLookAndFeel.is3()) {
+                ENGINE.paintBackground(g, context, id, gtkState, null,
+                                                                    x, y, w, h);
+            }
             ENGINE.paintShadow(g, context, id, gtkState,
                                ShadowType.IN, "entry", x, y, w, h);
-            ENGINE.paintFlatBox(g, context, id,
-                                gtkState, ShadowType.NONE, "entry_bg",
-                                x + xThickness,
-                                y + yThickness,
-                                w - (2 * xThickness),
-                                h - (2 * yThickness),
-                                ColorType.TEXT_BACKGROUND);
+            if (!GTKLookAndFeel.is3()) {
+                ENGINE.paintFlatBox(g, context, id,
+                        gtkState, ShadowType.NONE, "entry_bg",
+                        x + xThickness,
+                        y + yThickness,
+                        w - (2 * xThickness),
+                        h - (2 * yThickness),
+                        ColorType.TEXT_BACKGROUND);
+            }
 
             if (focusSize > 0 && (state & SynthConstants.FOCUSED) != 0) {
                 if (!interiorFocus) {
@@ -1007,14 +1026,14 @@
                 } else {
                     if (containerParent instanceof JComboBox) {
                         x += (focusSize + 2);
-                        y += (focusSize + 1);
-                        w -= (2 * focusSize + 1);
-                        h -= (2 * focusSize + 2);
+                        y += focusSize + (GTKLookAndFeel.is3() ? 3 : 1);
+                        w -= 2 * focusSize + (GTKLookAndFeel.is3() ? 4 : 1);
+                        h -= 2 * focusSize + (GTKLookAndFeel.is3() ? 6 : 2);
                     } else {
-                        x += focusSize;
-                        y += focusSize;
-                        w -= 2 * focusSize;
-                        h -= 2 * focusSize;
+                        x += focusSize + (GTKLookAndFeel.is3() ? 2 : 0);
+                        y += focusSize + (GTKLookAndFeel.is3() ? 2 :0 );
+                        w -= 2 * focusSize + (GTKLookAndFeel.is3() ? 4 : 0);
+                        h -= 2 * focusSize + (GTKLookAndFeel.is3() ? 4 : 0);
                     }
                 }
                 ENGINE.paintFocus(g, context, id, gtkState,
@@ -1163,8 +1182,8 @@
                 Orientation orientation = (dir == JScrollBar.HORIZONTAL ?
                     Orientation.HORIZONTAL : Orientation.VERTICAL);
                 ENGINE.setRangeValue(context, id, value, min, max, visible);
-                ENGINE.paintSlider(g, context, id, gtkState,
-                        ShadowType.OUT, "slider", x, y, w, h, orientation);
+                ENGINE.paintSlider(g, context, id, gtkState, ShadowType.OUT,
+                                      "slider", x, y, w, h, orientation, false);
                 ENGINE.finishPainting();
             }
         }
--- a/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKStyle.java	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKStyle.java	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -715,29 +715,33 @@
         if (region == Region.COMBO_BOX ||
               region == Region.DESKTOP_PANE ||
               region == Region.DESKTOP_ICON ||
-              region == Region.EDITOR_PANE ||
-              region == Region.FORMATTED_TEXT_FIELD ||
               region == Region.INTERNAL_FRAME ||
               region == Region.LIST ||
               region == Region.MENU_BAR ||
               region == Region.PANEL ||
-              region == Region.PASSWORD_FIELD ||
               region == Region.POPUP_MENU ||
               region == Region.PROGRESS_BAR ||
               region == Region.ROOT_PANE ||
               region == Region.SCROLL_PANE ||
-              region == Region.SPINNER ||
               region == Region.SPLIT_PANE_DIVIDER ||
               region == Region.TABLE ||
               region == Region.TEXT_AREA ||
-              region == Region.TEXT_FIELD ||
-              region == Region.TEXT_PANE ||
               region == Region.TOOL_BAR_DRAG_WINDOW ||
               region == Region.TOOL_TIP ||
               region == Region.TREE ||
               region == Region.VIEWPORT) {
             return true;
         }
+        if (!GTKLookAndFeel.is3()) {
+            if (region == Region.EDITOR_PANE ||
+                  region == Region.FORMATTED_TEXT_FIELD ||
+                  region == Region.PASSWORD_FIELD ||
+                  region == Region.SPINNER ||
+                  region == Region.TEXT_FIELD ||
+                  region == Region.TEXT_PANE) {
+                return true;
+            }
+        }
         Component c = context.getComponent();
         String name = c.getName();
         if (name == "ComboBox.renderer" || name == "ComboBox.listRenderer") {
@@ -848,6 +852,8 @@
             int focusPad =
                 getClassSpecificIntValue(context, "focus-padding", 1);
             return indicatorSpacing + focusSize + focusPad;
+        } else if (GTKLookAndFeel.is3() && "ComboBox.forceOpaque".equals(key)) {
+            return true;
         }
 
         // Is it a stock icon ?
@@ -1127,6 +1133,7 @@
     static {
         CLASS_SPECIFIC_MAP = new HashMap<String,String>();
         CLASS_SPECIFIC_MAP.put("Slider.thumbHeight", "slider-width");
+        CLASS_SPECIFIC_MAP.put("Slider.thumbWidth", "slider-length");
         CLASS_SPECIFIC_MAP.put("Slider.trackBorder", "trough-border");
         CLASS_SPECIFIC_MAP.put("SplitPane.size", "handle-size");
         CLASS_SPECIFIC_MAP.put("Tree.expanderSize", "expander-size");
--- a/src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,9 +29,12 @@
 import java.awt.color.ColorSpace;
 import java.awt.image.*;
 import java.security.AccessController;
+import java.security.PrivilegedAction;
+
 import sun.security.action.GetIntegerAction;
 import com.sun.java.swing.plaf.gtk.GTKConstants.TextDirection;
 import sun.java2d.opengl.OGLRenderQueue;
+import sun.security.action.GetPropertyAction;
 
 public abstract class UNIXToolkit extends SunToolkit
 {
@@ -42,6 +45,40 @@
     private static final int[] BAND_OFFSETS_ALPHA = { 0, 1, 2, 3 };
     private static final int DEFAULT_DATATRANSFER_TIMEOUT = 10000;
 
+    // Allowed GTK versions
+    public enum GtkVersions {
+        ANY(0),
+        GTK2(Constants.GTK2_MAJOR_NUMBER),
+        GTK3(Constants.GTK3_MAJOR_NUMBER);
+
+        static class Constants {
+            static final int GTK2_MAJOR_NUMBER = 2;
+            static final int GTK3_MAJOR_NUMBER = 3;
+        }
+
+        final int number;
+
+        GtkVersions(int number) {
+            this.number = number;
+        }
+
+        public static GtkVersions getVersion(int number) {
+            switch (number) {
+                case Constants.GTK2_MAJOR_NUMBER:
+                    return GTK2;
+                case Constants.GTK3_MAJOR_NUMBER:
+                    return GTK3;
+                default:
+                    return ANY;
+            }
+        }
+
+        // major GTK version number
+        public int getNumber() {
+            return number;
+        }
+    };
+
     private Boolean nativeGTKAvailable;
     private Boolean nativeGTKLoaded;
     private BufferedImage tmpImage = null;
@@ -79,7 +116,7 @@
                 return nativeGTKAvailable;
 
             } else {
-                boolean success = check_gtk();
+                boolean success = check_gtk(getEnabledGtkVersion().getNumber());
                 nativeGTKAvailable = success;
                 return success;
             }
@@ -97,7 +134,8 @@
     public boolean loadGTK() {
         synchronized (GTK_LOCK) {
             if (nativeGTKLoaded == null) {
-                nativeGTKLoaded = load_gtk();
+                nativeGTKLoaded = load_gtk(getEnabledGtkVersion().getNumber(),
+                                                                isGtkVerbose());
             }
         }
         return nativeGTKLoaded;
@@ -241,14 +279,15 @@
         tmpImage = new BufferedImage(colorModel, raster, false, null);
     }
 
-    private static native boolean check_gtk();
-    private static native boolean load_gtk();
+    private static native boolean check_gtk(int version);
+    private static native boolean load_gtk(int version, boolean verbose);
     private static native boolean unload_gtk();
     private native boolean load_gtk_icon(String filename);
     private native boolean load_stock_icon(int widget_type, String stock_id,
             int iconSize, int textDirection, String detail);
 
     private native void nativeSync();
+    private static native int get_gtk_version();
 
     @Override
     public void sync() {
@@ -338,4 +377,26 @@
         }
         return false;
     }
+
+    public static GtkVersions getEnabledGtkVersion() {
+        String version = AccessController.doPrivileged(
+                new GetPropertyAction("jdk.gtk.version"));
+        if (version == null) {
+            return GtkVersions.ANY;
+        } else if (version.startsWith("2")) {
+            return GtkVersions.GTK2;
+        } else if("3".equals(version) ){
+            return GtkVersions.GTK3;
+        }
+        return GtkVersions.ANY;
+    }
+
+    public static GtkVersions getGtkVersion() {
+        return GtkVersions.getVersion(get_gtk_version());
+    }
+
+    public static boolean isGtkVerbose() {
+        return AccessController.doPrivileged((PrivilegedAction<Boolean>)()
+                -> Boolean.getBoolean("jdk.gtk.verbose"));
+    }
 }
--- a/src/java.desktop/unix/classes/sun/awt/X11/XDesktopPeer.java	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/classes/sun/awt/X11/XDesktopPeer.java	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,6 +26,8 @@
 package sun.awt.X11;
 
 
+import sun.awt.UNIXToolkit;
+
 import java.io.File;
 import java.io.IOException;
 import java.net.MalformedURLException;
@@ -57,7 +59,8 @@
         XToolkit.awtLock();
         try {
             if (!initExecuted) {
-                nativeLibraryLoaded = init();
+                nativeLibraryLoaded = init(UNIXToolkit.getEnabledGtkVersion()
+                        .ordinal(), UNIXToolkit.isGtkVerbose());
             }
         } finally {
             initExecuted = true;
@@ -123,5 +126,5 @@
     }
 
     private native boolean gnome_url_show(byte[] url);
-    private static native boolean init();
+    private static native boolean init(int gtkVersion, boolean verbose);
 }
--- a/src/java.desktop/unix/classes/sun/awt/X11/XTaskbarPeer.java	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/classes/sun/awt/X11/XTaskbarPeer.java	Mon Apr 25 15:37:31 2016 +0300
@@ -29,6 +29,8 @@
 import java.awt.Taskbar.Feature;
 import java.awt.peer.TaskbarPeer;
 import java.awt.event.ActionEvent;
+
+import sun.awt.UNIXToolkit;
 import java.security.AccessController;
 import sun.security.action.GetPropertyAction;
 
@@ -45,7 +47,9 @@
             if (!initExecuted) {
                 String dname = AccessController.doPrivileged(
                                 new GetPropertyAction("java.desktop.appName", ""));
-                nativeLibraryLoaded = init(dname);
+                nativeLibraryLoaded = init(dname,
+                        UNIXToolkit.getEnabledGtkVersion().ordinal(),
+                        UNIXToolkit.isGtkVerbose());
                 if (nativeLibraryLoaded) {
                     Thread t = new Thread(null, () -> { runloop(); },
                                           "TaskBar", 0, false);
@@ -147,7 +151,8 @@
         }
     }
 
-    private static native boolean init(String name);
+    private static native boolean init(String name, int version,
+                                                               boolean verbose);
 
     private static native void runloop();
 
--- a/src/java.desktop/unix/classes/sun/awt/X11/XToolkit.java	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/classes/sun/awt/X11/XToolkit.java	Mon Apr 25 15:37:31 2016 +0300
@@ -1144,7 +1144,8 @@
     public FileDialogPeer createFileDialog(FileDialog target) {
         FileDialogPeer peer = null;
         // The current GtkFileChooser is available from GTK+ 2.4
-        if (!getSunAwtDisableGtkFileDialogs() && checkGtkVersion(2, 4, 0)) {
+        if (!getSunAwtDisableGtkFileDialogs() &&
+                      (checkGtkVersion(2, 4, 0) || checkGtkVersion(3, 0, 0))) {
             peer = new GtkFileDialogPeer(target);
         } else {
             peer = new XFileDialogPeer(target);
--- a/src/java.desktop/unix/native/libawt_xawt/awt/awt_Robot.c	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/awt_Robot.c	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -44,7 +44,7 @@
 #include "wsutils.h"
 #include "list.h"
 #include "multiVis.h"
-#include "gtk2_interface.h"
+#include "gtk_interface.h"
 
 #if defined(__linux__) || defined(MACOSX)
 #include <sys/socket.h>
@@ -263,70 +263,10 @@
     int index;
 
     if (isGtkSupported) {
-        GdkPixbuf *pixbuf;
-        (*fp_gdk_threads_enter)();
-        GdkWindow *root = (*fp_gdk_get_default_root_window)();
-
-        pixbuf = (*fp_gdk_pixbuf_get_from_drawable)(NULL, root, NULL,
-                                                    x, y, 0, 0, width, height);
-        if (pixbuf && scale != 1) {
-            GdkPixbuf *scaledPixbuf;
-            x /= scale;
-            y /= scale;
-            width /= scale;
-            height /= scale;
-            dx /= scale;
-            dy /= scale;
-            scaledPixbuf = (*fp_gdk_pixbuf_scale_simple)(pixbuf, width, height,
-                                                         GDK_INTERP_BILINEAR);
-            (*fp_g_object_unref)(pixbuf);
-            pixbuf = scaledPixbuf;
-        }
-
-        if (pixbuf) {
-            int nchan = (*fp_gdk_pixbuf_get_n_channels)(pixbuf);
-            int stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf);
-
-            if ((*fp_gdk_pixbuf_get_width)(pixbuf) == width
-                    && (*fp_gdk_pixbuf_get_height)(pixbuf) == height
-                    && (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf) == 8
-                    && (*fp_gdk_pixbuf_get_colorspace)(pixbuf) == GDK_COLORSPACE_RGB
-                    && nchan >= 3
-                    ) {
-                guchar *p, *pix = (*fp_gdk_pixbuf_get_pixels)(pixbuf);
-
-                ary = (*env)->GetPrimitiveArrayCritical(env, pixelArray, NULL);
-                if (!ary) {
-                    (*fp_g_object_unref)(pixbuf);
-                    (*fp_gdk_threads_leave)();
-                    AWT_UNLOCK();
-                    return;
-                }
-
-                for (_y = 0; _y < height; _y++) {
-                    for (_x = 0; _x < width; _x++) {
-                        p = pix + _y * stride + _x * nchan;
-
-                        index = (_y + dy) * jwidth + (_x + dx);
-                        ary[index] = 0xff000000
-                                        | (p[0] << 16)
-                                        | (p[1] << 8)
-                                        | (p[2]);
-
-                    }
-                }
-                (*env)->ReleasePrimitiveArrayCritical(env, pixelArray, ary, 0);
-                if ((*env)->ExceptionCheck(env)) {
-                    (*fp_g_object_unref)(pixbuf);
-                    (*fp_gdk_threads_leave)();
-                    AWT_UNLOCK();
-                    return;
-                }
-                gtk_failed = FALSE;
-            }
-            (*fp_g_object_unref)(pixbuf);
-        }
-        (*fp_gdk_threads_leave)();
+        gtk->gdk_threads_enter();
+        gtk_failed = gtk->get_drawable_data(env, pixelArray, x, y, width,
+                                            jwidth, height, dx, dy, scale);
+        gtk->gdk_threads_leave();
     }
 
     if (gtk_failed) {
--- a/src/java.desktop/unix/native/libawt_xawt/awt/awt_UNIXToolkit.c	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/awt_UNIXToolkit.c	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,7 +34,7 @@
 
 #ifndef HEADLESS
 #include "awt.h"
-#include "gtk2_interface.h"
+#include "gtk_interface.h"
 #endif /* !HEADLESS */
 
 
@@ -45,13 +45,12 @@
 /*
  * Class:     sun_awt_UNIXToolkit
  * Method:    check_gtk
- * Signature: ()Z
+ * Signature: (I)Z
  */
 JNIEXPORT jboolean JNICALL
-Java_sun_awt_UNIXToolkit_check_1gtk(JNIEnv *env, jclass klass)
-{
+Java_sun_awt_UNIXToolkit_check_1gtk(JNIEnv *env, jclass klass, jint version) {
 #ifndef HEADLESS
-    return (jboolean)gtk2_check_version();
+    return (jboolean)gtk_check_version(version);
 #else
     return JNI_FALSE;
 #endif /* !HEADLESS */
@@ -61,13 +60,13 @@
 /*
  * Class:     sun_awt_UNIXToolkit
  * Method:    load_gtk
- * Signature: ()Z
+ * Signature: (I)Z
  */
 JNIEXPORT jboolean JNICALL
-Java_sun_awt_UNIXToolkit_load_1gtk(JNIEnv *env, jclass klass)
-{
+Java_sun_awt_UNIXToolkit_load_1gtk(JNIEnv *env, jclass klass, jint version,
+                                                             jboolean verbose) {
 #ifndef HEADLESS
-    return (jboolean)gtk2_load(env);
+    return (jboolean)gtk_load(env, version, verbose);
 #else
     return JNI_FALSE;
 #endif /* !HEADLESS */
@@ -83,16 +82,14 @@
 Java_sun_awt_UNIXToolkit_unload_1gtk(JNIEnv *env, jclass klass)
 {
 #ifndef HEADLESS
-    return (jboolean)gtk2_unload();
+    return (jboolean)gtk->unload();
 #else
     return JNI_FALSE;
 #endif /* !HEADLESS */
 }
 
-jboolean _icon_upcall(JNIEnv *env, jobject this, GdkPixbuf *pixbuf)
+jboolean init_method(JNIEnv *env, jobject this)
 {
-    jboolean result = JNI_FALSE;
-
     if (this_class == NULL) {
         this_class = (*env)->NewGlobalRef(env,
                                           (*env)->GetObjectClass(env, this));
@@ -100,33 +97,7 @@
                                  "loadIconCallback", "([BIIIIIZ)V");
         CHECK_NULL_RETURN(icon_upcall_method, JNI_FALSE);
     }
-
-    if (pixbuf != NULL)
-    {
-        guchar *pixbuf_data = (*fp_gdk_pixbuf_get_pixels)(pixbuf);
-        int row_stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf);
-        int width = (*fp_gdk_pixbuf_get_width)(pixbuf);
-        int height = (*fp_gdk_pixbuf_get_height)(pixbuf);
-        int bps = (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf);
-        int channels = (*fp_gdk_pixbuf_get_n_channels)(pixbuf);
-        gboolean alpha = (*fp_gdk_pixbuf_get_has_alpha)(pixbuf);
-
-        /* Copy the data array into a Java structure so we can pass it back. */
-        jbyteArray data = (*env)->NewByteArray(env, (row_stride * height));
-        JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
-
-        (*env)->SetByteArrayRegion(env, data, 0, (row_stride * height),
-                                   (jbyte *)pixbuf_data);
-
-        /* Release the pixbuf. */
-        (*fp_g_object_unref)(pixbuf);
-
-        /* Call the callback method to create the image on the Java side. */
-        (*env)->CallVoidMethod(env, this, icon_upcall_method, data,
-                width, height, row_stride, bps, channels, alpha);
-        result = JNI_TRUE;
-    }
-    return result;
+    return JNI_TRUE;
 }
 
 /*
@@ -144,7 +115,6 @@
     int len;
     char *filename_str = NULL;
     GError **error = NULL;
-    GdkPixbuf *pixbuf;
 
     if (filename == NULL)
     {
@@ -158,13 +128,17 @@
         JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
         return JNI_FALSE;
     }
+    if (!init_method(env, this) ) {
+        return JNI_FALSE;
+    }
     (*env)->GetStringUTFRegion(env, filename, 0, len, filename_str);
-    pixbuf = (*fp_gdk_pixbuf_new_from_file)(filename_str, error);
+    jboolean result = gtk->get_file_icon_data(env, filename_str, error,
+                                            icon_upcall_method, this);
 
     /* Release the strings we've allocated. */
     free(filename_str);
 
-    return _icon_upcall(env, this, pixbuf);
+    return result;
 #else /* HEADLESS */
     return JNI_FALSE;
 #endif /* !HEADLESS */
@@ -186,7 +160,6 @@
     int len;
     char *stock_id_str = NULL;
     char *detail_str = NULL;
-    GdkPixbuf *pixbuf;
 
     if (stock_id == NULL)
     {
@@ -215,8 +188,12 @@
         (*env)->GetStringUTFRegion(env, detail, 0, len, detail_str);
     }
 
-    pixbuf = gtk2_get_stock_icon(widget_type, stock_id_str, icon_size,
-                                 text_direction, detail_str);
+    if (!init_method(env, this) ) {
+        return JNI_FALSE;
+    }
+    jboolean result = gtk->get_icon_data(env, widget_type, stock_id_str,
+                  icon_size, text_direction, detail_str,
+                  icon_upcall_method, this);
 
     /* Release the strings we've allocated. */
     free(stock_id_str);
@@ -224,8 +201,7 @@
     {
         free(detail_str);
     }
-
-    return _icon_upcall(env, this, pixbuf);
+    return result;
 #else /* HEADLESS */
     return JNI_FALSE;
 #endif /* !HEADLESS */
@@ -279,11 +255,25 @@
 {
     char *ret;
 
-    ret = fp_gtk_check_version(major, minor, micro);
+    ret = gtk->gtk_check_version(major, minor, micro);
     if (ret == NULL) {
         return TRUE;
     }
 
-    free(ret);
     return FALSE;
 }
+
+/*
+ * Class:     sun_awt_UNIXToolkit
+ * Method:    get_gtk_version
+ * Signature: ()I
+ */
+JNIEXPORT jint JNICALL
+Java_sun_awt_UNIXToolkit_get_1gtk_1version(JNIEnv *env, jclass klass)
+{
+#ifndef HEADLESS
+    return gtk ? gtk->version : GTK_ANY;
+#else
+    return GTK_ANY;
+#endif /* !HEADLESS */
+}
--- a/src/java.desktop/unix/native/libawt_xawt/awt/gtk2_interface.c	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/gtk2_interface.c	Mon Apr 25 15:37:31 2016 +0300
@@ -35,52 +35,18 @@
 #include <jni_util.h>
 #include "awt.h"
 
-#define GTK2_LIB_VERSIONED VERSIONED_JNI_LIB_NAME("gtk-x11-2.0", "0")
-#define GTK2_LIB JNI_LIB_NAME("gtk-x11-2.0")
 #define GTHREAD_LIB_VERSIONED VERSIONED_JNI_LIB_NAME("gthread-2.0", "0")
 #define GTHREAD_LIB JNI_LIB_NAME("gthread-2.0")
 
-#define G_TYPE_INVALID                  G_TYPE_MAKE_FUNDAMENTAL (0)
-#define G_TYPE_NONE                     G_TYPE_MAKE_FUNDAMENTAL (1)
-#define G_TYPE_INTERFACE                G_TYPE_MAKE_FUNDAMENTAL (2)
-#define G_TYPE_CHAR                     G_TYPE_MAKE_FUNDAMENTAL (3)
-#define G_TYPE_UCHAR                    G_TYPE_MAKE_FUNDAMENTAL (4)
-#define G_TYPE_BOOLEAN                  G_TYPE_MAKE_FUNDAMENTAL (5)
-#define G_TYPE_INT                      G_TYPE_MAKE_FUNDAMENTAL (6)
-#define G_TYPE_UINT                     G_TYPE_MAKE_FUNDAMENTAL (7)
-#define G_TYPE_LONG                     G_TYPE_MAKE_FUNDAMENTAL (8)
-#define G_TYPE_ULONG                    G_TYPE_MAKE_FUNDAMENTAL (9)
-#define G_TYPE_INT64                    G_TYPE_MAKE_FUNDAMENTAL (10)
-#define G_TYPE_UINT64                   G_TYPE_MAKE_FUNDAMENTAL (11)
-#define G_TYPE_ENUM                     G_TYPE_MAKE_FUNDAMENTAL (12)
-#define G_TYPE_FLAGS                    G_TYPE_MAKE_FUNDAMENTAL (13)
-#define G_TYPE_FLOAT                    G_TYPE_MAKE_FUNDAMENTAL (14)
-#define G_TYPE_DOUBLE                   G_TYPE_MAKE_FUNDAMENTAL (15)
-#define G_TYPE_STRING                   G_TYPE_MAKE_FUNDAMENTAL (16)
-#define G_TYPE_POINTER                  G_TYPE_MAKE_FUNDAMENTAL (17)
-#define G_TYPE_BOXED                    G_TYPE_MAKE_FUNDAMENTAL (18)
-#define G_TYPE_PARAM                    G_TYPE_MAKE_FUNDAMENTAL (19)
-#define G_TYPE_OBJECT                   G_TYPE_MAKE_FUNDAMENTAL (20)
-
 #define GTK_TYPE_BORDER                 ((*fp_gtk_border_get_type)())
 
 #define G_TYPE_FUNDAMENTAL_SHIFT        (2)
 #define G_TYPE_MAKE_FUNDAMENTAL(x)      ((GType) ((x) << G_TYPE_FUNDAMENTAL_SHIFT))
-#define MIN(a, b)  (((a) < (b)) ? (a) : (b))
 
 #define CONV_BUFFER_SIZE 128
 
 #define NO_SYMBOL_EXCEPTION 1
 
-/* SynthConstants */
-const gint ENABLED    = 1 << 0;
-const gint MOUSE_OVER = 1 << 1;
-const gint PRESSED    = 1 << 2;
-const gint DISABLED   = 1 << 3;
-const gint FOCUSED    = 1 << 8;
-const gint SELECTED   = 1 << 9;
-const gint DEFAULT    = 1 << 10;
-
 static void *gtk2_libhandle = NULL;
 static void *gthread_libhandle = NULL;
 
@@ -105,54 +71,6 @@
 static gboolean new_combo = TRUE;
 const char ENV_PREFIX[] = "GTK_MODULES=";
 
-/*******************/
-enum GtkWidgetType
-{
-    _GTK_ARROW_TYPE,
-    _GTK_BUTTON_TYPE,
-    _GTK_CHECK_BUTTON_TYPE,
-    _GTK_CHECK_MENU_ITEM_TYPE,
-    _GTK_COLOR_SELECTION_DIALOG_TYPE,
-    _GTK_COMBO_BOX_TYPE,
-    _GTK_COMBO_BOX_ARROW_BUTTON_TYPE,
-    _GTK_COMBO_BOX_TEXT_FIELD_TYPE,
-    _GTK_CONTAINER_TYPE,
-    _GTK_ENTRY_TYPE,
-    _GTK_FRAME_TYPE,
-    _GTK_HANDLE_BOX_TYPE,
-    _GTK_HPANED_TYPE,
-    _GTK_HPROGRESS_BAR_TYPE,
-    _GTK_HSCALE_TYPE,
-    _GTK_HSCROLLBAR_TYPE,
-    _GTK_HSEPARATOR_TYPE,
-    _GTK_IMAGE_TYPE,
-    _GTK_MENU_TYPE,
-    _GTK_MENU_BAR_TYPE,
-    _GTK_MENU_ITEM_TYPE,
-    _GTK_NOTEBOOK_TYPE,
-    _GTK_LABEL_TYPE,
-    _GTK_RADIO_BUTTON_TYPE,
-    _GTK_RADIO_MENU_ITEM_TYPE,
-    _GTK_SCROLLED_WINDOW_TYPE,
-    _GTK_SEPARATOR_MENU_ITEM_TYPE,
-    _GTK_SEPARATOR_TOOL_ITEM_TYPE,
-    _GTK_SPIN_BUTTON_TYPE,
-    _GTK_TEXT_VIEW_TYPE,
-    _GTK_TOGGLE_BUTTON_TYPE,
-    _GTK_TOOLBAR_TYPE,
-    _GTK_TOOLTIP_TYPE,
-    _GTK_TREE_VIEW_TYPE,
-    _GTK_VIEWPORT_TYPE,
-    _GTK_VPANED_TYPE,
-    _GTK_VPROGRESS_BAR_TYPE,
-    _GTK_VSCALE_TYPE,
-    _GTK_VSCROLLBAR_TYPE,
-    _GTK_VSEPARATOR_TYPE,
-    _GTK_WINDOW_TYPE,
-    _GTK_DIALOG_TYPE,
-    _GTK_WIDGET_TYPE_SIZE
-};
-
 
 static GtkWidget *gtk2_widgets[_GTK_WIDGET_TYPE_SIZE];
 
@@ -359,20 +277,6 @@
 static GtkAdjustment* (*fp_gtk_range_get_adjustment)(GtkRange* range);
 
 /* Method bodies */
-const char *getStrFor(JNIEnv *env, jstring val)
-{
-    int length = (*env)->GetStringLength(env, val);
-    if (length > CONV_BUFFER_SIZE-1)
-    {
-        length = CONV_BUFFER_SIZE-1;
-#ifdef DEBUG
-        fprintf(stderr, "Note: Detail is too long: %d chars\n", length);
-#endif /* DEBUG */
-    }
-
-    (*env)->GetStringUTFRegion(env, val, 0, length, convertionBuffer);
-    return convertionBuffer;
-}
 
 static void throw_exception(JNIEnv *env, const char* name, const char* message)
 {
@@ -408,33 +312,34 @@
     return result;
 }
 
-gboolean gtk2_check_version()
+gboolean gtk2_check(const char* lib_name, int flags)
 {
     if (gtk2_libhandle != NULL) {
         /* We've already successfully opened the GTK libs, so return true. */
         return TRUE;
     } else {
         void *lib = NULL;
-        gboolean result = FALSE;
 
-        lib = dlopen(GTK2_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL);
+        lib = dlopen(lib_name, flags);
+
         if (lib == NULL) {
-            lib = dlopen(GTK2_LIB, RTLD_LAZY | RTLD_LOCAL);
-            if (lib == NULL) {
-                return FALSE;
-            }
+            return FALSE;
+        }
+
+        if (flags & RTLD_NOLOAD) {
+            return TRUE;
         }
 
         fp_gtk_check_version = dlsym(lib, "gtk_check_version");
         /* Check for GTK 2.2+ */
         if (!fp_gtk_check_version(2, 2, 0)) {
-            result = TRUE;
+            return TRUE;
         }
 
         // 8048289: workaround for https://bugzilla.gnome.org/show_bug.cgi?id=733065
         // dlclose(lib);
 
-        return result;
+        return FALSE;
     }
 }
 
@@ -450,7 +355,7 @@
 } while(0);
 
 
-void update_supported_actions(JNIEnv *env) {
+static void update_supported_actions(JNIEnv *env) {
     GVfs * (*fp_g_vfs_get_default) (void);
     const gchar * const * (*fp_g_vfs_get_supported_uri_schemes) (GVfs * vfs);
     const gchar * const * schemes = NULL;
@@ -513,7 +418,7 @@
 /**
  * Functions for awt_Desktop.c
  */
-gboolean gtk2_show_uri_load(JNIEnv *env) {
+static gboolean gtk2_show_uri_load(JNIEnv *env) {
      gboolean success = FALSE;
      dlerror();
      const char *gtk_version = fp_gtk_check_version(2, 14, 0);
@@ -547,7 +452,7 @@
 /**
  * Functions for sun_awt_X11_GtkFileDialogPeer.c
  */
-void gtk2_file_chooser_load()
+static void gtk2_file_chooser_load()
 {
     fp_gtk_file_chooser_get_filename = dl_symbol(
             "gtk_file_chooser_get_filename");
@@ -576,7 +481,7 @@
     fp_gdk_x11_drawable_get_xid = dl_symbol("gdk_x11_drawable_get_xid");
 }
 
-gboolean gtk2_load(JNIEnv *env)
+GtkApi* gtk2_load(JNIEnv *env, const char* lib_name)
 {
     gboolean result;
     int i;
@@ -584,11 +489,9 @@
     int (*io_handler)();
     char *gtk_modules_env;
 
-    gtk2_libhandle = dlopen(GTK2_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL);
+    gtk2_libhandle = dlopen(lib_name, RTLD_LAZY | RTLD_LOCAL);
     if (gtk2_libhandle == NULL) {
-        gtk2_libhandle = dlopen(GTK2_LIB, RTLD_LAZY | RTLD_LOCAL);
-        if (gtk2_libhandle == NULL)
-            return FALSE;
+        return FALSE;
     }
 
     gthread_libhandle = dlopen(GTHREAD_LIB_VERSIONED, RTLD_LAZY | RTLD_LOCAL);
@@ -962,8 +865,12 @@
     {
         gtk2_widgets[i] = NULL;
     }
-
-    return result;
+    if (result) {
+        GtkApi* gtk = (GtkApi*)malloc(sizeof(GtkApi));
+        gtk2_init(gtk);
+        return gtk;
+    }
+    return NULL;
 }
 
 int gtk2_unload()
@@ -1007,7 +914,7 @@
 /* Dispatch all pending events from the GTK event loop.
  * This is needed to catch theme change and update widgets' style.
  */
-void flush_gtk_event_loop()
+static void flush_gtk_event_loop()
 {
     while( (*fp_g_main_context_iteration)(NULL, FALSE));
 }
@@ -1056,7 +963,7 @@
  * comparing results. This can be optimized by using subclassed pixmap and
  * doing the second drawing only if necessary.
 */
-void gtk2_init_painting(JNIEnv *env, gint width, gint height)
+static void gtk2_init_painting(JNIEnv *env, gint width, gint height)
 {
     GdkGC *gc;
     GdkPixbuf *white, *black;
@@ -1116,7 +1023,7 @@
  * one of java_awt_Transparency_OPAQUE, java_awt_Transparency_BITMASK, and
  * java_awt_Transparency_TRANSLUCENT.
  */
-gint gtk2_copy_image(gint *dst, gint width, gint height)
+static gint gtk2_copy_image(gint *dst, gint width, gint height)
 {
     gint i, j, r, g, b;
     guchar *white, *black;
@@ -1778,7 +1685,7 @@
             x, y, w, h);
 }
 
-void gtk2_paint_box(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_box(WidgetType widget_type, GtkStateType state_type,
                     GtkShadowType shadow_type, const gchar *detail,
                     gint x, gint y, gint width, gint height,
                     gint synth_state, GtkTextDirection dir)
@@ -1948,7 +1855,7 @@
             x, y, width, height, gap_side, gap_x, gap_width);
 }
 
-void gtk2_paint_check(WidgetType widget_type, gint synth_state,
+static void gtk2_paint_check(WidgetType widget_type, gint synth_state,
         const gchar *detail, gint x, gint y, gint width, gint height)
 {
     GtkStateType state_type = get_gtk_state_type(widget_type, synth_state);
@@ -1965,7 +1872,7 @@
             x, y, width, height);
 }
 
-void gtk2_paint_diamond(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_diamond(WidgetType widget_type, GtkStateType state_type,
         GtkShadowType shadow_type, const gchar *detail,
         gint x, gint y, gint width, gint height)
 {
@@ -1978,7 +1885,7 @@
             x, y, width, height);
 }
 
-void gtk2_paint_expander(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_expander(WidgetType widget_type, GtkStateType state_type,
         const gchar *detail, gint x, gint y, gint width, gint height,
         GtkExpanderStyle expander_style)
 {
@@ -1991,7 +1898,7 @@
             x + width / 2, y + height / 2, expander_style);
 }
 
-void gtk2_paint_extension(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_extension(WidgetType widget_type, GtkStateType state_type,
         GtkShadowType shadow_type, const gchar *detail,
         gint x, gint y, gint width, gint height, GtkPositionType gap_side)
 {
@@ -2004,7 +1911,7 @@
             x, y, width, height, gap_side);
 }
 
-void gtk2_paint_flat_box(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_flat_box(WidgetType widget_type, GtkStateType state_type,
         GtkShadowType shadow_type, const gchar *detail,
         gint x, gint y, gint width, gint height, gboolean has_focus)
 {
@@ -2023,7 +1930,7 @@
             x, y, width, height);
 }
 
-void gtk2_paint_focus(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_focus(WidgetType widget_type, GtkStateType state_type,
         const char *detail, gint x, gint y, gint width, gint height)
 {
     gtk2_widget = gtk2_get_widget(widget_type);
@@ -2033,7 +1940,7 @@
             NULL, gtk2_widget, detail, x, y, width, height);
 }
 
-void gtk2_paint_handle(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_handle(WidgetType widget_type, GtkStateType state_type,
         GtkShadowType shadow_type, const gchar *detail,
         gint x, gint y, gint width, gint height, GtkOrientation orientation)
 {
@@ -2046,7 +1953,7 @@
             x, y, width, height, orientation);
 }
 
-void gtk2_paint_hline(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_hline(WidgetType widget_type, GtkStateType state_type,
         const gchar *detail, gint x, gint y, gint width, gint height)
 {
     gtk2_widget = gtk2_get_widget(widget_type);
@@ -2056,7 +1963,7 @@
             NULL, gtk2_widget, detail, x, x + width, y);
 }
 
-void gtk2_paint_option(WidgetType widget_type, gint synth_state,
+static void gtk2_paint_option(WidgetType widget_type, gint synth_state,
         const gchar *detail, gint x, gint y, gint width, gint height)
 {
     GtkStateType state_type = get_gtk_state_type(widget_type, synth_state);
@@ -2073,7 +1980,7 @@
             x, y, width, height);
 }
 
-void gtk2_paint_shadow(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_shadow(WidgetType widget_type, GtkStateType state_type,
                        GtkShadowType shadow_type, const gchar *detail,
                        gint x, gint y, gint width, gint height,
                        gint synth_state, GtkTextDirection dir)
@@ -2123,9 +2030,10 @@
     gtk2_set_direction(gtk2_widget, GTK_TEXT_DIR_LTR);
 }
 
-void gtk2_paint_slider(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_slider(WidgetType widget_type, GtkStateType state_type,
         GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height, GtkOrientation orientation)
+        gint x, gint y, gint width, gint height, GtkOrientation orientation,
+        gboolean has_focus)
 {
     gtk2_widget = gtk2_get_widget(widget_type);
     (*fp_gtk_paint_slider)(gtk2_widget->style, gtk2_white_pixmap, state_type,
@@ -2136,7 +2044,7 @@
             x, y, width, height, orientation);
 }
 
-void gtk2_paint_vline(WidgetType widget_type, GtkStateType state_type,
+static void gtk2_paint_vline(WidgetType widget_type, GtkStateType state_type,
         const gchar *detail, gint x, gint y, gint width, gint height)
 {
     gtk2_widget = gtk2_get_widget(widget_type);
@@ -2146,7 +2054,7 @@
             NULL, gtk2_widget, detail, y, y + height, x);
 }
 
-void gtk_paint_background(WidgetType widget_type, GtkStateType state_type,
+static void gtk_paint_background(WidgetType widget_type, GtkStateType state_type,
         gint x, gint y, gint width, gint height)
 {
     gtk2_widget = gtk2_get_widget(widget_type);
@@ -2156,7 +2064,7 @@
             gtk2_black_pixmap, TRUE, state_type, NULL, x, y, width, height);
 }
 
-GdkPixbuf *gtk2_get_stock_icon(gint widget_type, const gchar *stock_id,
+static GdkPixbuf *gtk2_get_stock_icon(gint widget_type, const gchar *stock_id,
         GtkIconSize size, GtkTextDirection direction, const char *detail)
 {
     init_containers();
@@ -2166,8 +2074,52 @@
     return (*fp_gtk_widget_render_icon)(gtk2_widget, stock_id, size, detail);
 }
 
+static jboolean gtk2_get_pixbuf_data(JNIEnv *env, GdkPixbuf* pixbuf,
+                              jmethodID icon_upcall_method, jobject this) {
+    if (!pixbuf) {
+        return JNI_FALSE;
+    }
+    guchar *pixbuf_data = (*fp_gdk_pixbuf_get_pixels)(pixbuf);
+    if (pixbuf_data) {
+        int row_stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf);
+        int width = (*fp_gdk_pixbuf_get_width)(pixbuf);
+        int height = (*fp_gdk_pixbuf_get_height)(pixbuf);
+        int bps = (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf);
+        int channels = (*fp_gdk_pixbuf_get_n_channels)(pixbuf);
+        gboolean alpha = (*fp_gdk_pixbuf_get_has_alpha)(pixbuf);
+
+        jbyteArray data = (*env)->NewByteArray(env, (row_stride * height));
+        JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
+
+        (*env)->SetByteArrayRegion(env, data, 0, (row_stride * height),
+                                   (jbyte *)pixbuf_data);
+        (*fp_g_object_unref)(pixbuf);
+
+        /* Call the callback method to create the image on the Java side. */
+        (*env)->CallVoidMethod(env, this, icon_upcall_method, data,
+                width, height, row_stride, bps, channels, alpha);
+        return JNI_TRUE;
+    }
+    return JNI_FALSE;
+}
+
+static jboolean gtk2_get_file_icon_data(JNIEnv *env, const char *filename,
+                 GError **error, jmethodID icon_upcall_method, jobject this) {
+    GdkPixbuf* pixbuf = fp_gdk_pixbuf_new_from_file(filename, error);
+    return gtk2_get_pixbuf_data(env, pixbuf, icon_upcall_method, this);
+}
+
+static jboolean gtk2_get_icon_data(JNIEnv *env, gint widget_type,
+                              const gchar *stock_id, GtkIconSize size,
+                              GtkTextDirection direction, const char *detail,
+                              jmethodID icon_upcall_method, jobject this) {
+    GdkPixbuf* pixbuf = gtk2_get_stock_icon(widget_type, stock_id, size,
+                                       direction, detail);
+    return gtk2_get_pixbuf_data(env, pixbuf, icon_upcall_method, this);
+}
+
 /*************************************************/
-gint gtk2_get_xthickness(JNIEnv *env, WidgetType widget_type)
+static gint gtk2_get_xthickness(JNIEnv *env, WidgetType widget_type)
 {
     init_containers();
 
@@ -2176,7 +2128,7 @@
     return style->xthickness;
 }
 
-gint gtk2_get_ythickness(JNIEnv *env, WidgetType widget_type)
+static gint gtk2_get_ythickness(JNIEnv *env, WidgetType widget_type)
 {
     init_containers();
 
@@ -2186,12 +2138,12 @@
 }
 
 /*************************************************/
-guint8 recode_color(guint16 channel)
+static guint8 recode_color(guint16 channel)
 {
     return (guint8)(channel>>8);
 }
 
-gint gtk2_get_color_for_state(JNIEnv *env, WidgetType widget_type,
+static gint gtk2_get_color_for_state(JNIEnv *env, WidgetType widget_type,
                               GtkStateType state_type, ColorType color_type)
 {
     gint result = 0;
@@ -2243,19 +2195,19 @@
 }
 
 /*************************************************/
-jobject create_Boolean(JNIEnv *env, jboolean boolean_value);
-jobject create_Integer(JNIEnv *env, jint int_value);
-jobject create_Long(JNIEnv *env, jlong long_value);
-jobject create_Float(JNIEnv *env, jfloat float_value);
-jobject create_Double(JNIEnv *env, jdouble double_value);
-jobject create_Character(JNIEnv *env, jchar char_value);
-jobject create_Insets(JNIEnv *env, GtkBorder *border);
+static jobject create_Boolean(JNIEnv *env, jboolean boolean_value);
+static jobject create_Integer(JNIEnv *env, jint int_value);
+static jobject create_Long(JNIEnv *env, jlong long_value);
+static jobject create_Float(JNIEnv *env, jfloat float_value);
+static jobject create_Double(JNIEnv *env, jdouble double_value);
+static jobject create_Character(JNIEnv *env, jchar char_value);
+static jobject create_Insets(JNIEnv *env, GtkBorder *border);
 
-jobject gtk2_get_class_value(JNIEnv *env, WidgetType widget_type, jstring jkey)
+static jobject gtk2_get_class_value(JNIEnv *env, WidgetType widget_type,
+                              const char* key)
 {
     init_containers();
 
-    const char* key = getStrFor(env, jkey);
     gtk2_widget = gtk2_get_widget(widget_type);
 
     GValue value;
@@ -2376,7 +2328,7 @@
     return NULL;
 }
 
-void gtk2_set_range_value(WidgetType widget_type, jdouble value,
+static void gtk2_set_range_value(WidgetType widget_type, jdouble value,
                           jdouble min, jdouble max, jdouble visible)
 {
     GtkAdjustment *adj;
@@ -2391,7 +2343,7 @@
 }
 
 /*************************************************/
-jobject create_Object(JNIEnv *env, jmethodID *cid,
+static jobject create_Object(JNIEnv *env, jmethodID *cid,
                              const char* class_name,
                              const char* signature,
                              jvalue* value)
@@ -2494,7 +2446,7 @@
 }
 
 /*********************************************/
-jstring gtk2_get_pango_font_name(JNIEnv *env, WidgetType widget_type)
+static jstring gtk2_get_pango_font_name(JNIEnv *env, WidgetType widget_type)
 {
     init_containers();
 
@@ -2513,7 +2465,7 @@
 }
 
 /***********************************************/
-jobject get_string_property(JNIEnv *env, GtkSettings* settings, const gchar* key)
+static jobject get_string_property(JNIEnv *env, GtkSettings* settings, const gchar* key)
 {
     jobject result = NULL;
     gchar*  strval = NULL;
@@ -2525,21 +2477,21 @@
     return result;
 }
 
-jobject get_integer_property(JNIEnv *env, GtkSettings* settings, const gchar* key)
+static jobject get_integer_property(JNIEnv *env, GtkSettings* settings, const gchar* key)
 {
     gint intval = NULL;
     (*fp_g_object_get)(settings, key, &intval, NULL);
     return create_Integer(env, intval);
 }
 
-jobject get_boolean_property(JNIEnv *env, GtkSettings* settings, const gchar* key)
+static jobject get_boolean_property(JNIEnv *env, GtkSettings* settings, const gchar* key)
 {
     gint intval = NULL;
     (*fp_g_object_get)(settings, key, &intval, NULL);
     return create_Boolean(env, intval);
 }
 
-jobject gtk2_get_setting(JNIEnv *env, Setting property)
+static jobject gtk2_get_setting(JNIEnv *env, Setting property)
 {
     GtkSettings* settings = (*fp_gtk_settings_get_default)();
 
@@ -2557,3 +2509,148 @@
 
     return NULL;
 }
+
+static gboolean gtk2_get_drawable_data(JNIEnv *env, jintArray pixelArray, jint x,
+     jint y, jint width, jint height, jint jwidth, int dx, int dy, jint scale) {
+    GdkPixbuf *pixbuf;
+    jint *ary;
+
+    GdkWindow *root = (*fp_gdk_get_default_root_window)();
+
+    pixbuf = (*fp_gdk_pixbuf_get_from_drawable)(NULL, root, NULL, x, y,
+                                                    0, 0, width, height);
+    if (pixbuf && scale != 1) {
+        GdkPixbuf *scaledPixbuf;
+        x /= scale;
+        y /= scale;
+        width /= scale;
+        height /= scale;
+        dx /= scale;
+        dy /= scale;
+        scaledPixbuf = (*fp_gdk_pixbuf_scale_simple)(pixbuf, width, height,
+                                                     GDK_INTERP_BILINEAR);
+        (*fp_g_object_unref)(pixbuf);
+        pixbuf = scaledPixbuf;
+    }
+
+    if (pixbuf) {
+        int nchan = (*fp_gdk_pixbuf_get_n_channels)(pixbuf);
+        int stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf);
+
+        if ((*fp_gdk_pixbuf_get_width)(pixbuf) == width
+                && (*fp_gdk_pixbuf_get_height)(pixbuf) == height
+                && (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf) == 8
+                && (*fp_gdk_pixbuf_get_colorspace)(pixbuf) == GDK_COLORSPACE_RGB
+                && nchan >= 3
+                ) {
+            guchar *p, *pix = (*fp_gdk_pixbuf_get_pixels)(pixbuf);
+
+            ary = (*env)->GetPrimitiveArrayCritical(env, pixelArray, NULL);
+            if (ary) {
+                jint _x, _y;
+                int index;
+                for (_y = 0; _y < height; _y++) {
+                    for (_x = 0; _x < width; _x++) {
+                        p = pix + _y * stride + _x * nchan;
+
+                        index = (_y + dy) * jwidth + (_x + dx);
+                        ary[index] = 0xff000000
+                                        | (p[0] << 16)
+                                        | (p[1] << 8)
+                                        | (p[2]);
+
+                    }
+                }
+                (*env)->ReleasePrimitiveArrayCritical(env, pixelArray, ary, 0);
+            }
+        }
+        (*fp_g_object_unref)(pixbuf);
+    }
+    return JNI_FALSE;
+}
+
+static GdkWindow* gtk2_get_window(void *widget) {
+    return ((GtkWidget*)widget)->window;
+}
+
+void gtk2_init(GtkApi* gtk) {
+    gtk->version = GTK_2;
+
+    gtk->show_uri_load = &gtk2_show_uri_load;
+    gtk->unload = &gtk2_unload;
+    gtk->flush_event_loop = &flush_gtk_event_loop;
+    gtk->gtk_check_version = fp_gtk_check_version;
+    gtk->get_setting = &gtk2_get_setting;
+
+    gtk->paint_arrow = &gtk2_paint_arrow;
+    gtk->paint_box = &gtk2_paint_box;
+    gtk->paint_box_gap = &gtk2_paint_box_gap;
+    gtk->paint_expander = &gtk2_paint_expander;
+    gtk->paint_extension = &gtk2_paint_extension;
+    gtk->paint_flat_box = &gtk2_paint_flat_box;
+    gtk->paint_focus = &gtk2_paint_focus;
+    gtk->paint_handle = &gtk2_paint_handle;
+    gtk->paint_hline = &gtk2_paint_hline;
+    gtk->paint_vline = &gtk2_paint_vline;
+    gtk->paint_option = &gtk2_paint_option;
+    gtk->paint_shadow = &gtk2_paint_shadow;
+    gtk->paint_slider = &gtk2_paint_slider;
+    gtk->paint_background = &gtk_paint_background;
+    gtk->paint_check = &gtk2_paint_check;
+    gtk->set_range_value = &gtk2_set_range_value;
+
+    gtk->init_painting = &gtk2_init_painting;
+    gtk->copy_image = &gtk2_copy_image;
+
+    gtk->get_xthickness = &gtk2_get_xthickness;
+    gtk->get_ythickness = &gtk2_get_ythickness;
+    gtk->get_color_for_state = &gtk2_get_color_for_state;
+    gtk->get_class_value = &gtk2_get_class_value;
+
+    gtk->get_pango_font_name = &gtk2_get_pango_font_name;
+    gtk->get_icon_data = &gtk2_get_icon_data;
+    gtk->get_file_icon_data = &gtk2_get_file_icon_data;
+    gtk->gdk_threads_enter = fp_gdk_threads_enter;
+    gtk->gdk_threads_leave = fp_gdk_threads_leave;
+    gtk->gtk_show_uri = fp_gtk_show_uri;
+    gtk->get_drawable_data = &gtk2_get_drawable_data;
+    gtk->g_free = fp_g_free;
+
+    gtk->gtk_file_chooser_get_filename = fp_gtk_file_chooser_get_filename;
+    gtk->gtk_widget_hide = fp_gtk_widget_hide;
+    gtk->gtk_main_quit = fp_gtk_main_quit;
+    gtk->gtk_file_chooser_dialog_new = fp_gtk_file_chooser_dialog_new;
+    gtk->gtk_file_chooser_set_current_folder =
+                          fp_gtk_file_chooser_set_current_folder;
+    gtk->gtk_file_chooser_set_filename = fp_gtk_file_chooser_set_filename;
+    gtk->gtk_file_chooser_set_current_name =
+                          fp_gtk_file_chooser_set_current_name;
+    gtk->gtk_file_filter_add_custom = fp_gtk_file_filter_add_custom;
+    gtk->gtk_file_chooser_set_filter = fp_gtk_file_chooser_set_filter;
+    gtk->gtk_file_chooser_get_type = fp_gtk_file_chooser_get_type;
+    gtk->gtk_file_filter_new = fp_gtk_file_filter_new;
+    gtk->gtk_file_chooser_set_do_overwrite_confirmation =
+                          fp_gtk_file_chooser_set_do_overwrite_confirmation;
+    gtk->gtk_file_chooser_set_select_multiple =
+                          fp_gtk_file_chooser_set_select_multiple;
+    gtk->gtk_file_chooser_get_current_folder =
+                          fp_gtk_file_chooser_get_current_folder;
+    gtk->gtk_file_chooser_get_filenames = fp_gtk_file_chooser_get_filenames;
+    gtk->gtk_g_slist_length = fp_gtk_g_slist_length;
+    gtk->g_signal_connect_data = fp_g_signal_connect_data;
+    gtk->gtk_widget_show = fp_gtk_widget_show;
+    gtk->gtk_main = fp_gtk_main;
+    gtk->gtk_main_level = fp_gtk_main_level;
+    gtk->g_path_get_dirname = fp_g_path_get_dirname;
+    gtk->gdk_x11_drawable_get_xid = fp_gdk_x11_drawable_get_xid;
+    gtk->gtk_widget_destroy = fp_gtk_widget_destroy;
+    gtk->gtk_window_present = fp_gtk_window_present;
+    gtk->gtk_window_move = fp_gtk_window_move;
+    gtk->gtk_window_resize = fp_gtk_window_resize;
+    gtk->get_window = &gtk2_get_window;
+
+    gtk->g_object_unref = fp_g_object_unref;
+    gtk->g_list_append = fp_g_list_append;
+    gtk->g_list_free = fp_g_list_free;
+    gtk->g_list_free_full = fp_g_list_free_full;
+}
--- a/src/java.desktop/unix/native/libawt_xawt/awt/gtk2_interface.h	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/gtk2_interface.h	Mon Apr 25 15:37:31 2016 +0300
@@ -28,232 +28,11 @@
 #include <stdlib.h>
 #include <jni.h>
 #include <X11/X.h>
-
-#define _G_TYPE_CIC(ip, gt, ct)       ((ct*) ip)
-#define G_TYPE_CHECK_INSTANCE_CAST(instance, g_type, c_type)    (_G_TYPE_CIC ((instance), (g_type), c_type))
-#define GTK_TYPE_FILE_CHOOSER             (fp_gtk_file_chooser_get_type ())
-#define GTK_FILE_CHOOSER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FILE_CHOOSER, GtkFileChooser))
-#define fp_g_signal_connect(instance, detailed_signal, c_handler, data) \
-    fp_g_signal_connect_data ((instance), (detailed_signal), (c_handler), (data), NULL, (GConnectFlags) 0)
-#define G_CALLBACK(f) ((GCallback) (f))
-#define G_TYPE_FUNDAMENTAL_SHIFT (2)
-#define G_TYPE_MAKE_FUNDAMENTAL(x) ((GType) ((x) << G_TYPE_FUNDAMENTAL_SHIFT))
-#define G_TYPE_OBJECT G_TYPE_MAKE_FUNDAMENTAL (20)
-#define G_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), G_TYPE_OBJECT, GObject))
-#define GTK_STOCK_CANCEL           "gtk-cancel"
-#define GTK_STOCK_SAVE             "gtk-save"
-#define GTK_STOCK_OPEN             "gtk-open"
-#define GDK_CURRENT_TIME           0L
-
-typedef enum _WidgetType
-{
-    BUTTON,                     /* GtkButton */
-    CHECK_BOX,                  /* GtkCheckButton */
-    CHECK_BOX_MENU_ITEM,        /* GtkCheckMenuItem */
-    COLOR_CHOOSER,              /* GtkColorSelectionDialog */
-    COMBO_BOX,                  /* GtkComboBox */
-    COMBO_BOX_ARROW_BUTTON,     /* GtkComboBoxEntry */
-    COMBO_BOX_TEXT_FIELD,       /* GtkComboBoxEntry */
-    DESKTOP_ICON,               /* GtkLabel */
-    DESKTOP_PANE,               /* GtkContainer */
-    EDITOR_PANE,                /* GtkTextView */
-    FORMATTED_TEXT_FIELD,       /* GtkEntry */
-    HANDLE_BOX,                 /* GtkHandleBox */
-    HPROGRESS_BAR,              /* GtkProgressBar */
-    HSCROLL_BAR,                /* GtkHScrollbar */
-    HSCROLL_BAR_BUTTON_LEFT,    /* GtkHScrollbar */
-    HSCROLL_BAR_BUTTON_RIGHT,   /* GtkHScrollbar */
-    HSCROLL_BAR_TRACK,          /* GtkHScrollbar */
-    HSCROLL_BAR_THUMB,          /* GtkHScrollbar */
-    HSEPARATOR,                 /* GtkHSeparator */
-    HSLIDER,                    /* GtkHScale */
-    HSLIDER_TRACK,              /* GtkHScale */
-    HSLIDER_THUMB,              /* GtkHScale */
-    HSPLIT_PANE_DIVIDER,        /* GtkHPaned */
-    INTERNAL_FRAME,             /* GtkWindow */
-    INTERNAL_FRAME_TITLE_PANE,  /* GtkLabel */
-    IMAGE,                      /* GtkImage */
-    LABEL,                      /* GtkLabel */
-    LIST,                       /* GtkTreeView */
-    MENU,                       /* GtkMenu */
-    MENU_BAR,                   /* GtkMenuBar */
-    MENU_ITEM,                  /* GtkMenuItem */
-    MENU_ITEM_ACCELERATOR,      /* GtkLabel */
-    OPTION_PANE,                /* GtkMessageDialog */
-    PANEL,                      /* GtkContainer */
-    PASSWORD_FIELD,             /* GtkEntry */
-    POPUP_MENU,                 /* GtkMenu */
-    POPUP_MENU_SEPARATOR,       /* GtkSeparatorMenuItem */
-    RADIO_BUTTON,               /* GtkRadioButton */
-    RADIO_BUTTON_MENU_ITEM,     /* GtkRadioMenuItem */
-    ROOT_PANE,                  /* GtkContainer */
-    SCROLL_PANE,                /* GtkScrolledWindow */
-    SPINNER,                    /* GtkSpinButton */
-    SPINNER_ARROW_BUTTON,       /* GtkSpinButton */
-    SPINNER_TEXT_FIELD,         /* GtkSpinButton */
-    SPLIT_PANE,                 /* GtkPaned */
-    TABBED_PANE,                /* GtkNotebook */
-    TABBED_PANE_TAB_AREA,       /* GtkNotebook */
-    TABBED_PANE_CONTENT,        /* GtkNotebook */
-    TABBED_PANE_TAB,            /* GtkNotebook */
-    TABLE,                      /* GtkTreeView */
-    TABLE_HEADER,               /* GtkButton */
-    TEXT_AREA,                  /* GtkTextView */
-    TEXT_FIELD,                 /* GtkEntry */
-    TEXT_PANE,                  /* GtkTextView */
-    TITLED_BORDER,              /* GtkFrame */
-    TOGGLE_BUTTON,              /* GtkToggleButton */
-    TOOL_BAR,                   /* GtkToolbar */
-    TOOL_BAR_DRAG_WINDOW,       /* GtkToolbar */
-    TOOL_BAR_SEPARATOR,         /* GtkSeparatorToolItem */
-    TOOL_TIP,                   /* GtkWindow */
-    TREE,                       /* GtkTreeView */
-    TREE_CELL,                  /* GtkTreeView */
-    VIEWPORT,                   /* GtkViewport */
-    VPROGRESS_BAR,              /* GtkProgressBar */
-    VSCROLL_BAR,                /* GtkVScrollbar */
-    VSCROLL_BAR_BUTTON_UP,      /* GtkVScrollbar */
-    VSCROLL_BAR_BUTTON_DOWN,    /* GtkVScrollbar */
-    VSCROLL_BAR_TRACK,          /* GtkVScrollbar */
-    VSCROLL_BAR_THUMB,          /* GtkVScrollbar */
-    VSEPARATOR,                 /* GtkVSeparator */
-    VSLIDER,                    /* GtkVScale */
-    VSLIDER_TRACK,              /* GtkVScale */
-    VSLIDER_THUMB,              /* GtkVScale */
-    VSPLIT_PANE_DIVIDER,        /* GtkVPaned */
-    WIDGET_TYPE_SIZE
-} WidgetType;
-
-typedef enum _ColorType
-{
-    FOREGROUND,
-    BACKGROUND,
-    TEXT_FOREGROUND,
-    TEXT_BACKGROUND,
-    FOCUS,
-    LIGHT,
-    DARK,
-    MID,
-    BLACK,
-    WHITE
-} ColorType;
-
-typedef enum _Setting
-{
-    GTK_FONT_NAME,
-    GTK_ICON_SIZES,
-    GTK_CURSOR_BLINK,
-    GTK_CURSOR_BLINK_TIME
-} Setting;
-
-/* GTK types, here to eliminate need for GTK headers at compile time */
-
-#ifndef FALSE
-#define FALSE           (0)
-#define TRUE            (!FALSE)
-#endif
+#include "gtk_interface.h"
 
 #define GTK_HAS_FOCUS   (1 << 12)
 #define GTK_HAS_DEFAULT (1 << 14)
 
-
-/* basic types */
-typedef char    gchar;
-typedef short   gshort;
-typedef int     gint;
-typedef long    glong;
-typedef float   gfloat;
-typedef double  gdouble;
-typedef void*   gpointer;
-typedef gint    gboolean;
-
-typedef signed char  gint8;
-typedef signed short gint16;
-typedef signed int   gint32;
-
-typedef unsigned char  guchar;
-typedef unsigned char  guint8;
-typedef unsigned short gushort;
-typedef unsigned short guint16;
-typedef unsigned int   guint;
-typedef unsigned int   guint32;
-typedef unsigned int   gsize;
-typedef unsigned long  gulong;
-
-typedef signed long long   gint64;
-typedef unsigned long long guint64;
-
-/* enumerated constants */
-typedef enum
-{
-  GTK_ARROW_UP,
-  GTK_ARROW_DOWN,
-  GTK_ARROW_LEFT,
-  GTK_ARROW_RIGHT
-} GtkArrowType;
-
-typedef enum {
-  GDK_COLORSPACE_RGB
-} GdkColorspace;
-
-typedef enum
-{
-  GTK_EXPANDER_COLLAPSED,
-  GTK_EXPANDER_SEMI_COLLAPSED,
-  GTK_EXPANDER_SEMI_EXPANDED,
-  GTK_EXPANDER_EXPANDED
-} GtkExpanderStyle;
-
-typedef enum
-{
-  GTK_ICON_SIZE_INVALID,
-  GTK_ICON_SIZE_MENU,
-  GTK_ICON_SIZE_SMALL_TOOLBAR,
-  GTK_ICON_SIZE_LARGE_TOOLBAR,
-  GTK_ICON_SIZE_BUTTON,
-  GTK_ICON_SIZE_DND,
-  GTK_ICON_SIZE_DIALOG
-} GtkIconSize;
-
-typedef enum
-{
-  GTK_ORIENTATION_HORIZONTAL,
-  GTK_ORIENTATION_VERTICAL
-} GtkOrientation;
-
-typedef enum
-{
-  GTK_POS_LEFT,
-  GTK_POS_RIGHT,
-  GTK_POS_TOP,
-  GTK_POS_BOTTOM
-} GtkPositionType;
-
-typedef enum
-{
-  GTK_SHADOW_NONE,
-  GTK_SHADOW_IN,
-  GTK_SHADOW_OUT,
-  GTK_SHADOW_ETCHED_IN,
-  GTK_SHADOW_ETCHED_OUT
-} GtkShadowType;
-
-typedef enum
-{
-  GTK_STATE_NORMAL,
-  GTK_STATE_ACTIVE,
-  GTK_STATE_PRELIGHT,
-  GTK_STATE_SELECTED,
-  GTK_STATE_INSENSITIVE
-} GtkStateType;
-
-typedef enum
-{
-  GTK_TEXT_DIR_NONE,
-  GTK_TEXT_DIR_LTR,
-  GTK_TEXT_DIR_RTL
-} GtkTextDirection;
-
 typedef enum
 {
   GTK_WINDOW_TOPLEVEL,
@@ -270,41 +49,15 @@
   G_PARAM_PRIVATE             = 1 << 5
 } GParamFlags;
 
-typedef enum {
-    GDK_INTERP_NEAREST,
-    GDK_INTERP_TILES,
-    GDK_INTERP_BILINEAR,
-    GDK_INTERP_HYPER
-} GdkInterpType;
-
 /* We define all structure pointers to be void* */
-typedef void GError;
 typedef void GMainContext;
 typedef void GVfs;
 
-typedef struct _GSList GSList;
-struct _GSList
-{
-  gpointer data;
-  GSList *next;
-};
-
-typedef struct _GList GList;
-
-struct _GList
-{
-  gpointer data;
-  GList *next;
-  GList *prev;
-};
-
 typedef void GdkColormap;
 typedef void GdkDrawable;
 typedef void GdkGC;
-typedef void GdkScreen;
 typedef void GdkPixbuf;
 typedef void GdkPixmap;
-typedef void GdkWindow;
 
 typedef void GtkFixed;
 typedef void GtkMenuItem;
@@ -364,7 +117,6 @@
  * structures. This is a place where getting rid of gtk
  * headers may be dangerous.
  ******************************************************/
-typedef gulong         GType;
 
 typedef struct
 {
@@ -599,70 +351,9 @@
   guint ellipsize : 3;
 };
 
-typedef enum {
-  GTK_RESPONSE_NONE = -1,
-  GTK_RESPONSE_REJECT = -2,
-  GTK_RESPONSE_ACCEPT = -3,
-  GTK_RESPONSE_DELETE_EVENT = -4,
-  GTK_RESPONSE_OK = -5,
-  GTK_RESPONSE_CANCEL = -6,
-  GTK_RESPONSE_CLOSE = -7,
-  GTK_RESPONSE_YES = -8,
-  GTK_RESPONSE_NO = -9,
-  GTK_RESPONSE_APPLY = -10,
-  GTK_RESPONSE_HELP = -11
-} GtkResponseType;
-
-typedef struct _GtkWindow GtkWindow;
-
-typedef struct _GtkFileChooser GtkFileChooser;
-
-typedef enum {
-  GTK_FILE_CHOOSER_ACTION_OPEN,
-  GTK_FILE_CHOOSER_ACTION_SAVE,
-  GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
-  GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER
-} GtkFileChooserAction;
-
-typedef struct _GtkFileFilter GtkFileFilter;
-
-typedef enum {
-  GTK_FILE_FILTER_FILENAME = 1 << 0,
-  GTK_FILE_FILTER_URI = 1 << 1,
-  GTK_FILE_FILTER_DISPLAY_NAME = 1 << 2,
-  GTK_FILE_FILTER_MIME_TYPE = 1 << 3
-} GtkFileFilterFlags;
-
-typedef struct {
-  GtkFileFilterFlags contains;
-  const gchar *filename;
-  const gchar *uri;
-  const gchar *display_name;
-  const gchar *mime_type;
-} GtkFileFilterInfo;
-
-typedef gboolean (*GtkFileFilterFunc)(const GtkFileFilterInfo *filter_info,
-    gpointer data);
-
-typedef void (*GDestroyNotify)(gpointer data);
-
-typedef void (*GCallback)(void);
-
-typedef struct _GClosure GClosure;
-
-typedef void (*GClosureNotify)(gpointer data, GClosure *closure);
-
-typedef enum {
-  G_CONNECT_AFTER = 1 << 0, G_CONNECT_SWAPPED = 1 << 1
-} GConnectFlags;
 
 typedef struct _GThreadFunctions GThreadFunctions;
 
-/*
- * Converts java.lang.String object to UTF-8 character string.
- */
-const char *getStrFor(JNIEnv *env, jstring value);
-
 /**
  * Returns :
  * NULL if the GLib library is compatible with the given version, or a string
@@ -670,7 +361,7 @@
  * Please note that the glib_check_version() is available since 2.6,
  * so you should use GLIB_CHECK_VERSION macro instead.
  */
-gchar* (*fp_glib_check_version)(guint required_major, guint required_minor,
+static gchar* (*fp_glib_check_version)(guint required_major, guint required_minor,
                        guint required_micro);
 
 /**
@@ -680,193 +371,96 @@
 #define GLIB_CHECK_VERSION(major, minor, micro) \
     (fp_glib_check_version && fp_glib_check_version(major, minor, micro) == NULL)
 
-/*
- * Check whether the gtk2 library is available and meets the minimum
- * version requirement.  If the library is already loaded this method has no
- * effect and returns success.
- * Returns FALSE on failure and TRUE on success.
- */
-gboolean gtk2_check_version();
-
 /**
  * Returns :
  * NULL if the GTK+ library is compatible with the given version, or a string
  * describing the version mismatch.
  */
-gchar* (*fp_gtk_check_version)(guint required_major, guint required_minor,
+static gchar* (*fp_gtk_check_version)(guint required_major, guint required_minor,
                        guint required_micro);
-/*
- * Load the gtk2 library.  If the library is already loaded this method has no
- * effect and returns success.
- * Returns FALSE on failure and TRUE on success.
- */
-gboolean gtk2_load(JNIEnv *env);
 
-/*
- * Loads fp_gtk_show_uri function pointer. This initialization is
- * separated because the function is required only
- * for java.awt.Desktop API. The function relies on initialization in
- * gtk2_load, so it must be invoked only after a successful gtk2_load
- * invocation
- */
-gboolean gtk2_show_uri_load(JNIEnv *env);
+static void gtk2_init(GtkApi* gtk);
 
-/*
- * Unload the gtk2 library.  If the library is already unloaded this method has
- * no effect and returns success.
- * Returns FALSE on failure and TRUE on success.
- */
-gboolean gtk2_unload();
+static void (*fp_g_free)(gpointer mem);
+static void (*fp_g_object_unref)(gpointer object);
+static GdkWindow *(*fp_gdk_get_default_root_window) (void);
 
-void gtk2_paint_arrow(WidgetType widget_type, GtkStateType state_type,
-        GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height,
-        GtkArrowType arrow_type, gboolean fill);
-void gtk2_paint_box(WidgetType widget_type, GtkStateType state_type,
-        GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height,
-        gint synth_state, GtkTextDirection dir);
-void gtk2_paint_box_gap(WidgetType widget_type, GtkStateType state_type,
-        GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height,
-        GtkPositionType gap_side, gint gap_x, gint gap_width);
-void gtk2_paint_check(WidgetType widget_type, gint synth_state,
-        const gchar *detail, gint x, gint y, gint width, gint height);
-void gtk2_paint_diamond(WidgetType widget_type, GtkStateType state_type,
-        GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height);
-void gtk2_paint_expander(WidgetType widget_type, GtkStateType state_type,
-        const gchar *detail, gint x, gint y, gint width, gint height,
-        GtkExpanderStyle expander_style);
-void gtk2_paint_extension(WidgetType widget_type, GtkStateType state_type,
-        GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height, GtkPositionType gap_side);
-void gtk2_paint_flat_box(WidgetType widget_type, GtkStateType state_type,
-        GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height, gboolean has_focus);
-void gtk2_paint_focus(WidgetType widget_type, GtkStateType state_type,
-        const char *detail, gint x, gint y, gint width, gint height);
-void gtk2_paint_handle(WidgetType widget_type, GtkStateType state_type,
-        GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height, GtkOrientation orientation);
-void gtk2_paint_hline(WidgetType widget_type, GtkStateType state_type,
-        const gchar *detail, gint x, gint y, gint width, gint height);
-void gtk2_paint_option(WidgetType widget_type, gint synth_state,
-        const gchar *detail, gint x, gint y, gint width, gint height);
-void gtk2_paint_shadow(WidgetType widget_type, GtkStateType state_type,
-        GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height,
-        gint synth_state, GtkTextDirection dir);
-void gtk2_paint_slider(WidgetType widget_type, GtkStateType state_type,
-        GtkShadowType shadow_type, const gchar *detail,
-        gint x, gint y, gint width, gint height, GtkOrientation orientation);
-void gtk2_paint_vline(WidgetType widget_type, GtkStateType state_type,
-        const gchar *detail, gint x, gint y, gint width, gint height);
-void gtk_paint_background(WidgetType widget_type, GtkStateType state_type,
-        gint x, gint y, gint width, gint height);
+static int (*fp_gdk_pixbuf_get_bits_per_sample)(const GdkPixbuf *pixbuf);
+static guchar *(*fp_gdk_pixbuf_get_pixels)(const GdkPixbuf *pixbuf);
+static gboolean (*fp_gdk_pixbuf_get_has_alpha)(const GdkPixbuf *pixbuf);
+static int (*fp_gdk_pixbuf_get_height)(const GdkPixbuf *pixbuf);
+static int (*fp_gdk_pixbuf_get_n_channels)(const GdkPixbuf *pixbuf);
+static int (*fp_gdk_pixbuf_get_rowstride)(const GdkPixbuf *pixbuf);
+static int (*fp_gdk_pixbuf_get_width)(const GdkPixbuf *pixbuf);
+static GdkPixbuf *(*fp_gdk_pixbuf_new_from_file)(const char *filename, GError **error);
+static GdkColorspace (*fp_gdk_pixbuf_get_colorspace)(const GdkPixbuf *pixbuf);
 
-void gtk2_init_painting(JNIEnv *env, gint w, gint h);
-gint gtk2_copy_image(gint *dest, gint width, gint height);
-
-gint gtk2_get_xthickness(JNIEnv *env, WidgetType widget_type);
-gint gtk2_get_ythickness(JNIEnv *env, WidgetType widget_type);
-gint gtk2_get_color_for_state(JNIEnv *env, WidgetType widget_type,
-                              GtkStateType state_type, ColorType color_type);
-jobject gtk2_get_class_value(JNIEnv *env, WidgetType widget_type, jstring key);
-
-GdkPixbuf *gtk2_get_stock_icon(gint widget_type, const gchar *stock_id,
-        GtkIconSize size, GtkTextDirection direction, const char *detail);
-GdkPixbuf *gtk2_get_icon(const gchar *filename, gint size);
-jstring gtk2_get_pango_font_name(JNIEnv *env, WidgetType widget_type);
-
-void flush_gtk_event_loop();
-
-jobject gtk2_get_setting(JNIEnv *env, Setting property);
-
-void gtk2_set_range_value(WidgetType widget_type, jdouble value,
-                          jdouble min, jdouble max, jdouble visible);
-
-void (*fp_g_free)(gpointer mem);
-void (*fp_g_object_unref)(gpointer object);
-GdkWindow *(*fp_gdk_get_default_root_window) (void);
-
-int (*fp_gdk_pixbuf_get_bits_per_sample)(const GdkPixbuf *pixbuf);
-guchar *(*fp_gdk_pixbuf_get_pixels)(const GdkPixbuf *pixbuf);
-gboolean (*fp_gdk_pixbuf_get_has_alpha)(const GdkPixbuf *pixbuf);
-int (*fp_gdk_pixbuf_get_height)(const GdkPixbuf *pixbuf);
-int (*fp_gdk_pixbuf_get_n_channels)(const GdkPixbuf *pixbuf);
-int (*fp_gdk_pixbuf_get_rowstride)(const GdkPixbuf *pixbuf);
-int (*fp_gdk_pixbuf_get_width)(const GdkPixbuf *pixbuf);
-GdkPixbuf *(*fp_gdk_pixbuf_new_from_file)(const char *filename, GError **error);
-GdkColorspace (*fp_gdk_pixbuf_get_colorspace)(const GdkPixbuf *pixbuf);
-
-GdkPixbuf *(*fp_gdk_pixbuf_get_from_drawable)(GdkPixbuf *dest,
+static GdkPixbuf *(*fp_gdk_pixbuf_get_from_drawable)(GdkPixbuf *dest,
         GdkDrawable *src, GdkColormap *cmap, int src_x, int src_y,
         int dest_x, int dest_y, int width, int height);
-GdkPixbuf *(*fp_gdk_pixbuf_scale_simple)(GdkPixbuf *src,
+static GdkPixbuf *(*fp_gdk_pixbuf_scale_simple)(GdkPixbuf *src,
         int dest_width, int dest_heigh, GdkInterpType interp_type);
 
 
-void (*fp_gtk_widget_destroy)(GtkWidget *widget);
-void (*fp_gtk_window_present)(GtkWindow *window);
-void (*fp_gtk_window_move)(GtkWindow *window, gint x, gint y);
-void (*fp_gtk_window_resize)(GtkWindow *window, gint width, gint height);
+static void (*fp_gtk_widget_destroy)(void *widget);
+static void (*fp_gtk_window_present)(GtkWindow *window);
+static void (*fp_gtk_window_move)(GtkWindow *window, gint x, gint y);
+static void (*fp_gtk_window_resize)(GtkWindow *window, gint width, gint height);
 
 /**
  * Function Pointers for GtkFileChooser
  */
-gchar* (*fp_gtk_file_chooser_get_filename)(GtkFileChooser *chooser);
-void (*fp_gtk_widget_hide)(GtkWidget *widget);
-void (*fp_gtk_main_quit)(void);
-GtkWidget* (*fp_gtk_file_chooser_dialog_new)(const gchar *title,
+static gchar* (*fp_gtk_file_chooser_get_filename)(GtkFileChooser *chooser);
+static void (*fp_gtk_widget_hide)(void *widget);
+static void (*fp_gtk_main_quit)(void);
+static void* (*fp_gtk_file_chooser_dialog_new)(const gchar *title,
     GtkWindow *parent, GtkFileChooserAction action,
     const gchar *first_button_text, ...);
-gboolean (*fp_gtk_file_chooser_set_current_folder)(GtkFileChooser *chooser,
+static gboolean (*fp_gtk_file_chooser_set_current_folder)(GtkFileChooser *chooser,
     const gchar *filename);
-gboolean (*fp_gtk_file_chooser_set_filename)(GtkFileChooser *chooser,
+static gboolean (*fp_gtk_file_chooser_set_filename)(GtkFileChooser *chooser,
     const char *filename);
-void (*fp_gtk_file_chooser_set_current_name)(GtkFileChooser *chooser,
+static void (*fp_gtk_file_chooser_set_current_name)(GtkFileChooser *chooser,
     const gchar *name);
-void (*fp_gtk_file_filter_add_custom)(GtkFileFilter *filter,
+static void (*fp_gtk_file_filter_add_custom)(GtkFileFilter *filter,
     GtkFileFilterFlags needed, GtkFileFilterFunc func, gpointer data,
     GDestroyNotify notify);
-void (*fp_gtk_file_chooser_set_filter)(GtkFileChooser *chooser,
+static void (*fp_gtk_file_chooser_set_filter)(GtkFileChooser *chooser,
     GtkFileFilter *filter);
-GType (*fp_gtk_file_chooser_get_type)(void);
-GtkFileFilter* (*fp_gtk_file_filter_new)(void);
-void (*fp_gtk_file_chooser_set_do_overwrite_confirmation)(
+static GType (*fp_gtk_file_chooser_get_type)(void);
+static GtkFileFilter* (*fp_gtk_file_filter_new)(void);
+static void (*fp_gtk_file_chooser_set_do_overwrite_confirmation)(
     GtkFileChooser *chooser, gboolean do_overwrite_confirmation);
-void (*fp_gtk_file_chooser_set_select_multiple)(
+static void (*fp_gtk_file_chooser_set_select_multiple)(
     GtkFileChooser *chooser, gboolean select_multiple);
-gchar* (*fp_gtk_file_chooser_get_current_folder)(GtkFileChooser *chooser);
-GSList* (*fp_gtk_file_chooser_get_filenames)(GtkFileChooser *chooser);
-guint (*fp_gtk_g_slist_length)(GSList *list);
-gulong (*fp_g_signal_connect_data)(gpointer instance,
+static gchar* (*fp_gtk_file_chooser_get_current_folder)(GtkFileChooser *chooser);
+static GSList* (*fp_gtk_file_chooser_get_filenames)(GtkFileChooser *chooser);
+static guint (*fp_gtk_g_slist_length)(GSList *list);
+static gulong (*fp_g_signal_connect_data)(gpointer instance,
     const gchar *detailed_signal, GCallback c_handler, gpointer data,
     GClosureNotify destroy_data, GConnectFlags connect_flags);
-void (*fp_gtk_widget_show)(GtkWidget *widget);
-void (*fp_gtk_main)(void);
-guint (*fp_gtk_main_level)(void);
-gchar* (*fp_g_path_get_dirname) (const gchar *file_name);
-XID (*fp_gdk_x11_drawable_get_xid) (GdkWindow *drawable);
+static void (*fp_gtk_widget_show)(void *widget);
+static void (*fp_gtk_main)(void);
+static guint (*fp_gtk_main_level)(void);
+static gchar* (*fp_g_path_get_dirname) (const gchar *file_name);
+static XID (*fp_gdk_x11_drawable_get_xid) (GdkWindow *drawable);
 
-
-GList* (*fp_g_list_append) (GList *list, gpointer data);
-void (*fp_g_list_free) (GList *list);
-void (*fp_g_list_free_full) (GList *list, GDestroyNotify free_func);
+static GList* (*fp_g_list_append) (GList *list, gpointer data);
+static void (*fp_g_list_free) (GList *list);
+static void (*fp_g_list_free_full) (GList *list, GDestroyNotify free_func);
 
 /**
  * This function is available for GLIB > 2.20, so it MUST be
  * called within GLIB_CHECK_VERSION(2, 20, 0) check.
  */
-gboolean (*fp_g_thread_get_initialized)(void);
+static gboolean (*fp_g_thread_get_initialized)(void);
 
-void (*fp_g_thread_init)(GThreadFunctions *vtable);
-void (*fp_gdk_threads_init)(void);
-void (*fp_gdk_threads_enter)(void);
-void (*fp_gdk_threads_leave)(void);
+static void (*fp_g_thread_init)(GThreadFunctions *vtable);
+static void (*fp_gdk_threads_init)(void);
+static void (*fp_gdk_threads_enter)(void);
+static void (*fp_gdk_threads_leave)(void);
 
-gboolean (*fp_gtk_show_uri)(GdkScreen *screen, const gchar *uri,
+static gboolean (*fp_gtk_show_uri)(GdkScreen *screen, const gchar *uri,
     guint32 timestamp, GError **error);
 
 #endif /* !_GTK2_INTERFACE_H */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/gtk3_interface.c	Mon Apr 25 15:37:31 2016 +0300
@@ -0,0 +1,2881 @@
+/*
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+#include <dlfcn.h>
+#include <setjmp.h>
+#include <X11/Xlib.h>
+#include <limits.h>
+#include <string.h>
+#include "gtk3_interface.h"
+#include "java_awt_Transparency.h"
+#include "sizecalc.h"
+#include <jni_util.h>
+#include <stdio.h>
+#include "awt.h"
+
+static void *gtk3_libhandle = NULL;
+
+static jmp_buf j;
+
+/* Widgets */
+static GtkWidget *gtk3_widget = NULL;
+static GtkWidget *gtk3_window = NULL;
+static GtkFixed  *gtk3_fixed  = NULL;
+static GtkStyleProvider *gtk3_css = NULL;
+
+/* Paint system */
+static cairo_surface_t *surface = NULL;
+static cairo_t *cr = NULL;
+
+static const char ENV_PREFIX[] = "GTK_MODULES=";
+
+static GtkWidget *gtk3_widgets[_GTK_WIDGET_TYPE_SIZE];
+
+static void throw_exception(JNIEnv *env, const char* name, const char* message)
+{
+    jclass class = (*env)->FindClass(env, name);
+
+    if (class != NULL)
+        (*env)->ThrowNew(env, class, message);
+
+    (*env)->DeleteLocalRef(env, class);
+}
+
+static void gtk3_add_state(GtkWidget *widget, GtkStateType state) {
+    GtkStateType old_state = fp_gtk_widget_get_state(widget);
+    fp_gtk_widget_set_state(widget, old_state | state);
+}
+
+static void gtk3_remove_state(GtkWidget *widget, GtkStateType state) {
+    GtkStateType old_state = fp_gtk_widget_get_state(widget);
+    fp_gtk_widget_set_state(widget, old_state & ~state);
+}
+
+/* This is a workaround for the bug:
+ * http://sourceware.org/bugzilla/show_bug.cgi?id=1814
+ * (dlsym/dlopen clears dlerror state)
+ * This bug is specific to Linux, but there is no harm in
+ * applying this workaround on Solaris as well.
+ */
+static void* dl_symbol(const char* name)
+{
+    void* result = dlsym(gtk3_libhandle, name);
+    if (!result)
+        longjmp(j, NO_SYMBOL_EXCEPTION);
+
+    return result;
+}
+
+gboolean gtk3_check(const char* lib_name, int flags)
+{
+    if (gtk3_libhandle != NULL) {
+        /* We've already successfully opened the GTK libs, so return true. */
+        return TRUE;
+    } else {
+        return dlopen(lib_name, flags) != NULL;
+    }
+}
+
+#define ADD_SUPPORTED_ACTION(actionStr)                                        \
+do {                                                                           \
+    jfieldID fld_action = (*env)->GetStaticFieldID(env, cls_action, actionStr, \
+                                                 "Ljava/awt/Desktop$Action;"); \
+    if (!(*env)->ExceptionCheck(env)) {                                        \
+        jobject action = (*env)->GetStaticObjectField(env, cls_action,         \
+                                                                  fld_action); \
+        (*env)->CallBooleanMethod(env, supportedActions, mid_arrayListAdd,     \
+                                                                      action); \
+    } else {                                                                   \
+        (*env)->ExceptionClear(env);                                           \
+    }                                                                          \
+} while(0);
+
+
+static void update_supported_actions(JNIEnv *env) {
+    GVfs * (*fp_g_vfs_get_default) (void);
+    const gchar * const * (*fp_g_vfs_get_supported_uri_schemes) (GVfs * vfs);
+    const gchar * const * schemes = NULL;
+
+    jclass cls_action = (*env)->FindClass(env, "java/awt/Desktop$Action");
+    CHECK_NULL(cls_action);
+    jclass cls_xDesktopPeer = (*env)->
+                                     FindClass(env, "sun/awt/X11/XDesktopPeer");
+    CHECK_NULL(cls_xDesktopPeer);
+    jfieldID fld_supportedActions = (*env)->GetStaticFieldID(env,
+                      cls_xDesktopPeer, "supportedActions", "Ljava/util/List;");
+    CHECK_NULL(fld_supportedActions);
+    jobject supportedActions = (*env)->GetStaticObjectField(env,
+                                        cls_xDesktopPeer, fld_supportedActions);
+
+    jclass cls_arrayList = (*env)->FindClass(env, "java/util/ArrayList");
+    CHECK_NULL(cls_arrayList);
+    jmethodID mid_arrayListAdd = (*env)->GetMethodID(env, cls_arrayList, "add",
+                                                       "(Ljava/lang/Object;)Z");
+    CHECK_NULL(mid_arrayListAdd);
+    jmethodID mid_arrayListClear = (*env)->GetMethodID(env, cls_arrayList,
+                                                                "clear", "()V");
+    CHECK_NULL(mid_arrayListClear);
+
+    (*env)->CallVoidMethod(env, supportedActions, mid_arrayListClear);
+
+    ADD_SUPPORTED_ACTION("OPEN");
+
+    /**
+     * gtk_show_uri() documentation says:
+     *
+     * > you need to install gvfs to get support for uri schemes such as http://
+     * > or ftp://, as only local files are handled by GIO itself.
+     *
+     * So OPEN action was safely added here.
+     * However, it looks like Solaris 11 have gvfs support only for 32-bit
+     * applications only by default.
+     */
+
+    fp_g_vfs_get_default = dl_symbol("g_vfs_get_default");
+    fp_g_vfs_get_supported_uri_schemes =
+                           dl_symbol("g_vfs_get_supported_uri_schemes");
+    dlerror();
+
+    if (fp_g_vfs_get_default && fp_g_vfs_get_supported_uri_schemes) {
+        GVfs * vfs = fp_g_vfs_get_default();
+        schemes = vfs ? fp_g_vfs_get_supported_uri_schemes(vfs) : NULL;
+        if (schemes) {
+            int i = 0;
+            while (schemes[i]) {
+                if (strcmp(schemes[i], "http") == 0) {
+                    ADD_SUPPORTED_ACTION("BROWSE");
+                    ADD_SUPPORTED_ACTION("MAIL");
+                    break;
+                }
+                i++;
+            }
+        }
+    } else {
+#ifdef DEBUG
+        fprintf(stderr, "Cannot load g_vfs_get_supported_uri_schemes\n");
+#endif /* DEBUG */
+    }
+
+}
+/**
+ * Functions for awt_Desktop.c
+ */
+static gboolean gtk3_show_uri_load(JNIEnv *env) {
+    gboolean success = FALSE;
+    dlerror();
+    fp_gtk_show_uri = dl_symbol("gtk_show_uri");
+    const char *dlsym_error = dlerror();
+    if (dlsym_error) {
+#ifdef DEBUG
+        fprintf (stderr, "Cannot load symbol: %s \n", dlsym_error);
+#endif /* DEBUG */
+    } else if (fp_gtk_show_uri == NULL) {
+#ifdef DEBUG
+        fprintf(stderr, "dlsym(gtk_show_uri) returned NULL\n");
+#endif /* DEBUG */
+    } else {
+        update_supported_actions(env);
+        success = TRUE;
+    }
+    return success;
+}
+
+/**
+ * Functions for sun_awt_X11_GtkFileDialogPeer.c
+ */
+static void gtk3_file_chooser_load()
+{
+    fp_gtk_file_chooser_get_filename = dl_symbol(
+            "gtk_file_chooser_get_filename");
+    fp_gtk_file_chooser_dialog_new = dl_symbol("gtk_file_chooser_dialog_new");
+    fp_gtk_file_chooser_set_current_folder = dl_symbol(
+            "gtk_file_chooser_set_current_folder");
+    fp_gtk_file_chooser_set_filename = dl_symbol(
+            "gtk_file_chooser_set_filename");
+    fp_gtk_file_chooser_set_current_name = dl_symbol(
+            "gtk_file_chooser_set_current_name");
+    fp_gtk_file_filter_add_custom = dl_symbol("gtk_file_filter_add_custom");
+    fp_gtk_file_chooser_set_filter = dl_symbol("gtk_file_chooser_set_filter");
+    fp_gtk_file_chooser_get_type = dl_symbol("gtk_file_chooser_get_type");
+    fp_gtk_file_filter_new = dl_symbol("gtk_file_filter_new");
+    fp_gtk_file_chooser_set_do_overwrite_confirmation = dl_symbol(
+                "gtk_file_chooser_set_do_overwrite_confirmation");
+    fp_gtk_file_chooser_set_select_multiple = dl_symbol(
+            "gtk_file_chooser_set_select_multiple");
+    fp_gtk_file_chooser_get_current_folder = dl_symbol(
+            "gtk_file_chooser_get_current_folder");
+    fp_gtk_file_chooser_get_filenames = dl_symbol(
+            "gtk_file_chooser_get_filenames");
+    fp_gtk_g_slist_length = dl_symbol("g_slist_length");
+    fp_gdk_x11_drawable_get_xid = dl_symbol("gdk_x11_window_get_xid");
+}
+
+static void empty() {}
+
+static gboolean gtk3_version_3_10 = TRUE;
+static gboolean gtk3_version_3_14 = FALSE;
+
+GtkApi* gtk3_load(JNIEnv *env, const char* lib_name)
+{
+    gboolean result;
+    int i;
+    int (*handler)();
+    int (*io_handler)();
+    char *gtk_modules_env;
+    gtk3_libhandle = dlopen(lib_name, RTLD_LAZY | RTLD_LOCAL);
+    if (gtk3_libhandle == NULL) {
+        return FALSE;
+    }
+
+    if (setjmp(j) == 0)
+    {
+        fp_gtk_check_version = dl_symbol("gtk_check_version");
+
+        /* GLib */
+        fp_glib_check_version = dlsym(gtk3_libhandle, "glib_check_version");
+        if (!fp_glib_check_version) {
+            dlerror();
+        }
+        fp_g_free = dl_symbol("g_free");
+        fp_g_object_unref = dl_symbol("g_object_unref");
+
+        fp_g_main_context_iteration =
+            dl_symbol("g_main_context_iteration");
+
+        fp_g_value_init = dl_symbol("g_value_init");
+        fp_g_type_is_a = dl_symbol("g_type_is_a");
+        fp_g_value_get_boolean = dl_symbol("g_value_get_boolean");
+        fp_g_value_get_char = dl_symbol("g_value_get_char");
+        fp_g_value_get_uchar = dl_symbol("g_value_get_uchar");
+        fp_g_value_get_int = dl_symbol("g_value_get_int");
+        fp_g_value_get_uint = dl_symbol("g_value_get_uint");
+        fp_g_value_get_long = dl_symbol("g_value_get_long");
+        fp_g_value_get_ulong = dl_symbol("g_value_get_ulong");
+        fp_g_value_get_int64 = dl_symbol("g_value_get_int64");
+        fp_g_value_get_uint64 = dl_symbol("g_value_get_uint64");
+        fp_g_value_get_float = dl_symbol("g_value_get_float");
+        fp_g_value_get_double = dl_symbol("g_value_get_double");
+        fp_g_value_get_string = dl_symbol("g_value_get_string");
+        fp_g_value_get_enum = dl_symbol("g_value_get_enum");
+        fp_g_value_get_flags = dl_symbol("g_value_get_flags");
+        fp_g_value_get_param = dl_symbol("g_value_get_param");
+        fp_g_value_get_boxed = dl_symbol("g_value_get_boxed");
+        fp_g_value_get_pointer = dl_symbol("g_value_get_pointer");
+
+        fp_g_object_get = dl_symbol("g_object_get");
+        fp_g_object_set = dl_symbol("g_object_set");
+
+        fp_g_str_has_prefix = dl_symbol("g_str_has_prefix");
+        fp_g_strsplit = dl_symbol("g_strsplit");
+        fp_g_strfreev = dl_symbol("g_strfreev");
+
+        /* GDK */
+        fp_gdk_get_default_root_window =
+            dl_symbol("gdk_get_default_root_window");
+
+        /* Pixbuf */
+        fp_gdk_pixbuf_new = dl_symbol("gdk_pixbuf_new");
+        fp_gdk_pixbuf_new_from_file =
+                dl_symbol("gdk_pixbuf_new_from_file");
+        fp_gdk_pixbuf_get_from_drawable =
+                    dl_symbol("gdk_pixbuf_get_from_window");
+        fp_gdk_pixbuf_get_width = dl_symbol("gdk_pixbuf_get_width");
+        fp_gdk_pixbuf_get_height = dl_symbol("gdk_pixbuf_get_height");
+        fp_gdk_pixbuf_get_pixels = dl_symbol("gdk_pixbuf_get_pixels");
+        fp_gdk_pixbuf_get_rowstride =
+                dl_symbol("gdk_pixbuf_get_rowstride");
+        fp_gdk_pixbuf_get_has_alpha =
+                dl_symbol("gdk_pixbuf_get_has_alpha");
+        fp_gdk_pixbuf_get_bits_per_sample =
+                dl_symbol("gdk_pixbuf_get_bits_per_sample");
+        fp_gdk_pixbuf_get_n_channels =
+                dl_symbol("gdk_pixbuf_get_n_channels");
+        fp_gdk_pixbuf_get_colorspace =
+                dl_symbol("gdk_pixbuf_get_colorspace");
+
+        fp_cairo_image_surface_create = dl_symbol("cairo_image_surface_create");
+        fp_cairo_surface_destroy = dl_symbol("cairo_surface_destroy");
+        fp_cairo_create = dl_symbol("cairo_create");
+        fp_cairo_destroy = dl_symbol("cairo_destroy");
+        fp_cairo_fill = dl_symbol("cairo_fill");
+        fp_cairo_rectangle = dl_symbol("cairo_rectangle");
+        fp_cairo_set_source_rgb = dl_symbol("cairo_set_source_rgb");
+        fp_cairo_set_source_rgba = dl_symbol("cairo_set_source_rgba");
+        fp_cairo_surface_flush = dl_symbol("cairo_surface_flush");
+        fp_cairo_paint = dl_symbol("cairo_paint");
+        fp_cairo_clip = dl_symbol("cairo_clip");
+        fp_cairo_image_surface_get_data =
+                       dl_symbol("cairo_image_surface_get_data");
+        fp_cairo_image_surface_get_stride =
+                       dl_symbol("cairo_image_surface_get_stride");
+
+        fp_gdk_pixbuf_get_from_surface =
+                       dl_symbol("gdk_pixbuf_get_from_surface");
+
+        fp_gtk_widget_get_state = dl_symbol("gtk_widget_get_state");
+        fp_gtk_widget_set_state = dl_symbol("gtk_widget_set_state");
+
+        fp_gtk_widget_is_focus = dl_symbol("gtk_widget_is_focus");
+        fp_gtk_widget_set_allocation = dl_symbol("gtk_widget_set_allocation");
+        fp_gtk_widget_get_parent = dl_symbol("gtk_widget_get_parent");
+        fp_gtk_widget_get_window = dl_symbol("gtk_widget_get_window");
+
+        fp_gtk_widget_get_style_context =
+                       dl_symbol("gtk_widget_get_style_context");
+        fp_gtk_style_context_get_color =
+                       dl_symbol("gtk_style_context_get_color");
+        fp_gtk_style_context_get_background_color =
+                       dl_symbol("gtk_style_context_get_background_color");
+        fp_gtk_widget_get_state_flags = dl_symbol("gtk_widget_get_state_flags");
+        fp_gtk_style_context_set_state =
+                       dl_symbol("gtk_style_context_set_state");
+        fp_gtk_style_context_add_class =
+                       dl_symbol("gtk_style_context_add_class");
+        fp_gtk_style_context_save = dl_symbol("gtk_style_context_save");
+        fp_gtk_style_context_restore = dl_symbol("gtk_style_context_restore");
+        fp_gtk_render_check = dl_symbol("gtk_render_check");
+        fp_gtk_render_option = dl_symbol("gtk_render_option");
+        fp_gtk_render_extension = dl_symbol("gtk_render_extension");
+        fp_gtk_render_expander = dl_symbol("gtk_render_expander");
+        fp_gtk_render_frame_gap = dl_symbol("gtk_render_frame_gap");
+        fp_gtk_render_line = dl_symbol("gtk_render_line");
+        fp_gtk_widget_render_icon_pixbuf =
+                      dl_symbol("gtk_widget_render_icon_pixbuf");
+        if (fp_gtk_check_version(3, 10, 0)) {
+            gtk3_version_3_10 = FALSE;
+        } else {
+            fp_gdk_window_create_similar_image_surface =
+                       dl_symbol("gdk_window_create_similar_image_surface");
+        }
+        gtk3_version_3_14 = !fp_gtk_check_version(3, 14, 0);
+
+        fp_gdk_window_create_similar_surface =
+                      dl_symbol("gdk_window_create_similar_surface");
+        fp_gtk_settings_get_for_screen =
+                      dl_symbol("gtk_settings_get_for_screen");
+        fp_gtk_widget_get_screen = dl_symbol("gtk_widget_get_screen");
+        fp_gtk_css_provider_get_named = dl_symbol("gtk_css_provider_get_named");
+        fp_gtk_style_context_add_provider =
+                      dl_symbol("gtk_style_context_add_provider");
+        fp_gtk_render_frame = dl_symbol("gtk_render_frame");
+        fp_gtk_render_focus = dl_symbol("gtk_render_focus");
+        fp_gtk_render_handle = dl_symbol("gtk_render_handle");
+        fp_gtk_render_arrow = dl_symbol("gtk_render_arrow");
+
+        fp_gtk_style_context_get_property =
+                      dl_symbol("gtk_style_context_get_property");
+        fp_gtk_scrolled_window_set_shadow_type =
+                      dl_symbol("gtk_scrolled_window_set_shadow_type");
+        fp_gtk_render_slider = dl_symbol("gtk_render_slider");
+        fp_gtk_style_context_get_padding =
+                      dl_symbol("gtk_style_context_get_padding");
+        fp_gtk_range_set_inverted = dl_symbol("gtk_range_set_inverted");
+        fp_gtk_style_context_get_font = dl_symbol("gtk_style_context_get_font");
+        fp_gtk_widget_get_allocated_width =
+                      dl_symbol("gtk_widget_get_allocated_width");
+        fp_gtk_widget_get_allocated_height =
+                      dl_symbol("gtk_widget_get_allocated_height");
+        fp_gtk_icon_theme_get_default = dl_symbol("gtk_icon_theme_get_default");
+        fp_gtk_icon_theme_load_icon = dl_symbol("gtk_icon_theme_load_icon");
+
+        fp_gtk_adjustment_set_lower = dl_symbol("gtk_adjustment_set_lower");
+        fp_gtk_adjustment_set_page_increment =
+                      dl_symbol("gtk_adjustment_set_page_increment");
+        fp_gtk_adjustment_set_page_size =
+                      dl_symbol("gtk_adjustment_set_page_size");
+        fp_gtk_adjustment_set_step_increment =
+                      dl_symbol("gtk_adjustment_set_step_increment");
+        fp_gtk_adjustment_set_upper = dl_symbol("gtk_adjustment_set_upper");
+        fp_gtk_adjustment_set_value = dl_symbol("gtk_adjustment_set_value");
+
+        fp_gtk_render_activity = dl_symbol("gtk_render_activity");
+        fp_gtk_render_background = dl_symbol("gtk_render_background");
+        fp_gtk_style_context_has_class =
+                      dl_symbol("gtk_style_context_has_class");
+
+        fp_gtk_style_context_set_junction_sides =
+                      dl_symbol("gtk_style_context_set_junction_sides");
+        fp_gtk_style_context_add_region =
+                      dl_symbol("gtk_style_context_add_region");
+
+        fp_gtk_init_check = dl_symbol("gtk_init_check");
+
+        /* GTK widgets */
+        fp_gtk_arrow_new = dl_symbol("gtk_arrow_new");
+        fp_gtk_button_new = dl_symbol("gtk_button_new");
+        fp_gtk_spin_button_new = dl_symbol("gtk_spin_button_new");
+        fp_gtk_check_button_new = dl_symbol("gtk_check_button_new");
+        fp_gtk_check_menu_item_new =
+                dl_symbol("gtk_check_menu_item_new");
+        fp_gtk_color_selection_dialog_new =
+                dl_symbol("gtk_color_selection_dialog_new");
+        fp_gtk_entry_new = dl_symbol("gtk_entry_new");
+        fp_gtk_fixed_new = dl_symbol("gtk_fixed_new");
+        fp_gtk_handle_box_new = dl_symbol("gtk_handle_box_new");
+        fp_gtk_image_new = dl_symbol("gtk_image_new");
+        fp_gtk_hpaned_new = dl_symbol("gtk_hpaned_new");
+        fp_gtk_vpaned_new = dl_symbol("gtk_vpaned_new");
+        fp_gtk_scale_new = dl_symbol("gtk_scale_new");
+        fp_gtk_hscrollbar_new = dl_symbol("gtk_hscrollbar_new");
+        fp_gtk_vscrollbar_new = dl_symbol("gtk_vscrollbar_new");
+        fp_gtk_hseparator_new = dl_symbol("gtk_hseparator_new");
+        fp_gtk_vseparator_new = dl_symbol("gtk_vseparator_new");
+        fp_gtk_label_new = dl_symbol("gtk_label_new");
+        fp_gtk_menu_new = dl_symbol("gtk_menu_new");
+        fp_gtk_menu_bar_new = dl_symbol("gtk_menu_bar_new");
+        fp_gtk_menu_item_new = dl_symbol("gtk_menu_item_new");
+        fp_gtk_menu_item_set_submenu =
+                dl_symbol("gtk_menu_item_set_submenu");
+        fp_gtk_notebook_new = dl_symbol("gtk_notebook_new");
+        fp_gtk_progress_bar_new =
+            dl_symbol("gtk_progress_bar_new");
+        fp_gtk_progress_bar_set_orientation =
+            dl_symbol("gtk_orientable_set_orientation");
+        fp_gtk_radio_button_new =
+            dl_symbol("gtk_radio_button_new");
+        fp_gtk_radio_menu_item_new =
+            dl_symbol("gtk_radio_menu_item_new");
+        fp_gtk_scrolled_window_new =
+            dl_symbol("gtk_scrolled_window_new");
+        fp_gtk_separator_menu_item_new =
+            dl_symbol("gtk_separator_menu_item_new");
+        fp_gtk_text_view_new = dl_symbol("gtk_text_view_new");
+        fp_gtk_toggle_button_new =
+            dl_symbol("gtk_toggle_button_new");
+        fp_gtk_toolbar_new = dl_symbol("gtk_toolbar_new");
+        fp_gtk_tree_view_new = dl_symbol("gtk_tree_view_new");
+        fp_gtk_viewport_new = dl_symbol("gtk_viewport_new");
+        fp_gtk_window_new = dl_symbol("gtk_window_new");
+        fp_gtk_window_present = dl_symbol("gtk_window_present");
+        fp_gtk_window_move = dl_symbol("gtk_window_move");
+        fp_gtk_window_resize = dl_symbol("gtk_window_resize");
+
+          fp_gtk_dialog_new = dl_symbol("gtk_dialog_new");
+        fp_gtk_frame_new = dl_symbol("gtk_frame_new");
+
+        fp_gtk_adjustment_new = dl_symbol("gtk_adjustment_new");
+        fp_gtk_container_add = dl_symbol("gtk_container_add");
+        fp_gtk_menu_shell_append =
+            dl_symbol("gtk_menu_shell_append");
+        fp_gtk_widget_realize = dl_symbol("gtk_widget_realize");
+        fp_gtk_widget_destroy = dl_symbol("gtk_widget_destroy");
+        fp_gtk_widget_render_icon =
+            dl_symbol("gtk_widget_render_icon");
+        fp_gtk_widget_set_name =
+            dl_symbol("gtk_widget_set_name");
+        fp_gtk_widget_set_parent =
+            dl_symbol("gtk_widget_set_parent");
+        fp_gtk_widget_set_direction =
+            dl_symbol("gtk_widget_set_direction");
+        fp_gtk_widget_style_get =
+            dl_symbol("gtk_widget_style_get");
+        fp_gtk_widget_class_install_style_property =
+            dl_symbol("gtk_widget_class_install_style_property");
+        fp_gtk_widget_class_find_style_property =
+            dl_symbol("gtk_widget_class_find_style_property");
+        fp_gtk_widget_style_get_property =
+            dl_symbol("gtk_widget_style_get_property");
+        fp_pango_font_description_to_string =
+            dl_symbol("pango_font_description_to_string");
+        fp_gtk_settings_get_default =
+            dl_symbol("gtk_settings_get_default");
+        fp_gtk_widget_get_settings =
+            dl_symbol("gtk_widget_get_settings");
+        fp_gtk_border_get_type =  dl_symbol("gtk_border_get_type");
+        fp_gtk_arrow_set = dl_symbol("gtk_arrow_set");
+        fp_gtk_widget_size_request =
+            dl_symbol("gtk_widget_size_request");
+        fp_gtk_range_get_adjustment =
+            dl_symbol("gtk_range_get_adjustment");
+
+        fp_gtk_widget_hide = dl_symbol("gtk_widget_hide");
+        fp_gtk_main_quit = dl_symbol("gtk_main_quit");
+        fp_g_signal_connect_data = dl_symbol("g_signal_connect_data");
+        fp_gtk_widget_show = dl_symbol("gtk_widget_show");
+        fp_gtk_main = dl_symbol("gtk_main");
+
+        fp_g_path_get_dirname = dl_symbol("g_path_get_dirname");
+
+        fp_gdk_threads_enter = &empty;
+        fp_gdk_threads_leave = &empty;
+
+        /**
+         * Functions for sun_awt_X11_GtkFileDialogPeer.c
+         */
+        gtk3_file_chooser_load();
+
+        fp_gtk_combo_box_new = dlsym(gtk3_libhandle, "gtk_combo_box_new");
+        fp_gtk_combo_box_entry_new = dlsym(gtk3_libhandle,
+                                                "gtk_combo_box_new_with_entry");
+        fp_gtk_separator_tool_item_new = dlsym(gtk3_libhandle,
+                                                 "gtk_separator_tool_item_new");
+
+        fp_g_list_append = dl_symbol("g_list_append");
+        fp_g_list_free = dl_symbol("g_list_free");
+        fp_g_list_free_full = dl_symbol("g_list_free_full");
+    }
+    /* Now we have only one kind of exceptions: NO_SYMBOL_EXCEPTION
+     * Otherwise we can check the return value of setjmp method.
+     */
+    else
+    {
+        dlclose(gtk3_libhandle);
+        gtk3_libhandle = NULL;
+
+        return NULL;
+    }
+
+    /*
+     * Strip the AT-SPI GTK_MODULEs if present
+     */
+    gtk_modules_env = getenv ("GTK_MODULES");
+    if (gtk_modules_env && strstr (gtk_modules_env, "atk-bridge") ||
+        gtk_modules_env && strstr (gtk_modules_env, "gail"))
+    {
+        /* the new env will be smaller than the old one */
+        gchar *s, *new_env = SAFE_SIZE_STRUCT_ALLOC(malloc,
+                sizeof(ENV_PREFIX), 1, strlen (gtk_modules_env));
+
+        if (new_env != NULL )
+        {
+            /* careful, strtok modifies its args */
+            gchar *tmp_env = strdup (gtk_modules_env);
+            strcpy(new_env, ENV_PREFIX);
+
+            /* strip out 'atk-bridge' and 'gail' */
+            size_t PREFIX_LENGTH = strlen(ENV_PREFIX);
+            while (s = strtok(tmp_env, ":"))
+            {
+                if ((!strstr (s, "atk-bridge")) && (!strstr (s, "gail")))
+                {
+                    if (strlen (new_env) > PREFIX_LENGTH) {
+                        new_env = strcat (new_env, ":");
+                    }
+                    new_env = strcat(new_env, s);
+                }
+                if (tmp_env)
+                {
+                    free (tmp_env);
+                    tmp_env = NULL; /* next call to strtok arg1==NULL */
+                }
+            }
+            putenv (new_env);
+            free (new_env);
+            free (tmp_env);
+        }
+    }
+    /*
+     * GTK should be initialized with gtk_init_check() before use.
+     *
+     * gtk_init_check installs its own error handlers. It is critical that
+     * we preserve error handler set from AWT. Otherwise we'll crash on
+     * BadMatch errors which we would normally ignore. The IO error handler
+     * is preserved here, too, just for consistency.
+    */
+    AWT_LOCK();
+    handler = XSetErrorHandler(NULL);
+    io_handler = XSetIOErrorHandler(NULL);
+    result = (*fp_gtk_init_check)(NULL, NULL);
+    XSetErrorHandler(handler);
+    XSetIOErrorHandler(io_handler);
+    AWT_UNLOCK();
+    /* Initialize widget array. */
+    for (i = 0; i < _GTK_WIDGET_TYPE_SIZE; i++)
+    {
+        gtk3_widgets[i] = NULL;
+    }
+    if (result) {
+        GtkApi* gtk = (GtkApi*)malloc(sizeof(GtkApi));
+        gtk3_init(gtk);
+        return gtk;
+    }
+    return NULL;
+}
+
+static int gtk3_unload()
+{
+    int i;
+    char *gtk3_error;
+
+    if (!gtk3_libhandle)
+        return TRUE;
+
+    /* Release painting objects */
+    if (surface != NULL) {
+        fp_cairo_destroy(cr);
+        fp_cairo_surface_destroy(surface);
+        surface = NULL;
+    }
+
+    if (gtk3_window != NULL) {
+        /* Destroying toplevel widget will destroy all contained widgets */
+        (*fp_gtk_widget_destroy)(gtk3_window);
+
+        /* Unset some static data so they get reinitialized on next load */
+        gtk3_window = NULL;
+    }
+
+    dlerror();
+    dlclose(gtk3_libhandle);
+    if ((gtk3_error = dlerror()) != NULL)
+    {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+/* Dispatch all pending events from the GTK event loop.
+ * This is needed to catch theme change and update widgets' style.
+ */
+static void flush_gtk_event_loop()
+{
+    while((*fp_g_main_context_iteration)(NULL));
+}
+
+/*
+ * Initialize components of containment hierarchy. This creates a GtkFixed
+ * inside a GtkWindow. All widgets get realized.
+ */
+static void init_containers()
+{
+    if (gtk3_window == NULL)
+    {
+        gtk3_window = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL);
+        gtk3_fixed = (GtkFixed *)(*fp_gtk_fixed_new)();
+        (*fp_gtk_container_add)((GtkContainer*)gtk3_window,
+                                (GtkWidget *)gtk3_fixed);
+        (*fp_gtk_widget_realize)(gtk3_window);
+        (*fp_gtk_widget_realize)((GtkWidget *)gtk3_fixed);
+
+        GtkSettings* settings = fp_gtk_settings_get_for_screen(
+                                         fp_gtk_widget_get_screen(gtk3_window));
+        gchar*  strval = NULL;
+        fp_g_object_get(settings, "gtk-theme-name", &strval, NULL);
+        gtk3_css = fp_gtk_css_provider_get_named(strval, NULL);
+    }
+}
+
+/*
+ * Ensure everything is ready for drawing an element of the specified width
+ * and height.
+ *
+ * We should somehow handle translucent images. GTK can draw to X Drawables
+ * only, which don't support alpha. When we retrieve the image back from
+ * the server, translucency information is lost. There're several ways to
+ * work around this:
+ * 1) Subclass GdkPixmap and cache translucent objects on client side. This
+ * requires us to implement parts of X server drawing logic on client side.
+ * Many X requests can potentially be "translucent"; e.g. XDrawLine with
+ * fill=tile and a translucent tile is a "translucent" operation, whereas
+ * XDrawLine with fill=solid is an "opaque" one. Moreover themes can (and some
+ * do) intermix transparent and opaque operations which makes caching even
+ * more problematic.
+ * 2) Use Xorg 32bit ARGB visual when available. GDK has no native support
+ * for it (as of version 2.6). Also even in JDS 3 Xorg does not support
+ * these visuals by default, which makes optimizing for them pointless.
+ * We can consider doing this at a later point when ARGB visuals become more
+ * popular.
+ * 3') GTK has plans to use Cairo as its graphical backend (presumably in
+ * 2.8), and Cairo supports alpha. With it we could also get rid of the
+ * unnecessary round trip to server and do all the drawing on client side.
+ * 4) For now we draw to two different pixmaps and restore alpha channel by
+ * comparing results. This can be optimized by using subclassed pixmap and
+*/
+static void gtk3_init_painting(JNIEnv *env, gint width, gint height)
+{
+    init_containers();
+
+    if (cr) {
+        fp_cairo_destroy(cr);
+    }
+
+    if (surface != NULL) {
+        /* free old stuff */
+        fp_cairo_surface_destroy(surface);
+
+    }
+
+    if (gtk3_version_3_10) {
+        surface = fp_gdk_window_create_similar_image_surface(
+                           fp_gtk_widget_get_window(gtk3_window),
+                                         CAIRO_FORMAT_ARGB32, width, height, 1);
+    } else {
+        surface = fp_cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
+                                                                 width, height);
+    }
+
+    cr = fp_cairo_create(surface);
+}
+
+/*
+ * Restore image from white and black pixmaps and copy it into destination
+ * buffer. This method compares two pixbufs taken from white and black
+ * pixmaps and decodes color and alpha components. Pixbufs are RGB without
+ * alpha, destination buffer is ABGR.
+ *
+ * The return value is the transparency type of the resulting image, either
+ * one of java_awt_Transparency_OPAQUE, java_awt_Transparency_BITMASK, and
+ * java_awt_Transparency_TRANSLUCENT.
+ */
+static gint gtk3_copy_image(gint *dst, gint width, gint height)
+{
+    gint i, j, r, g, b;
+    guchar *data;
+    gint stride, padding;
+
+    fp_cairo_surface_flush(surface);
+    data = (*fp_cairo_image_surface_get_data)(surface);
+    stride = (*fp_cairo_image_surface_get_stride)(surface);
+    padding = stride - width * 4;
+
+    for (i = 0; i < height; i++) {
+        for (j = 0; j < width; j++) {
+            int r = *data++;
+            int g = *data++;
+            int b = *data++;
+            int a = *data++;
+            *dst++ = (a << 24 | b << 16 | g << 8 | r);
+        }
+        data += padding;
+    }
+    return java_awt_Transparency_TRANSLUCENT;
+}
+
+static void gtk3_set_direction(GtkWidget *widget, GtkTextDirection dir)
+{
+    /*
+     * Some engines (inexplicably) look at the direction of the widget's
+     * parent, so we need to set the direction of both the widget and its
+     * parent.
+     */
+    (*fp_gtk_widget_set_direction)(widget, dir);
+    GtkWidget* parent = fp_gtk_widget_get_parent(widget);
+    if (parent != NULL) {
+        fp_gtk_widget_set_direction(parent, dir);
+    }
+}
+
+/* GTK state_type filter */
+static GtkStateType get_gtk_state_type(WidgetType widget_type, gint synth_state)
+{
+    GtkStateType result = GTK_STATE_NORMAL;
+
+    if ((synth_state & DISABLED) != 0) {
+        result = GTK_STATE_INSENSITIVE;
+    } else if ((synth_state & PRESSED) != 0) {
+        result = GTK_STATE_ACTIVE;
+    } else if ((synth_state & MOUSE_OVER) != 0) {
+        result = GTK_STATE_PRELIGHT;
+    }
+    return result;
+}
+
+static GtkStateFlags get_gtk_state_flags(gint synth_state)
+{
+    GtkStateFlags flags = 0;
+
+    if ((synth_state & DISABLED) != 0) {
+        flags |= GTK_STATE_FLAG_INSENSITIVE;
+    }
+    if (((synth_state & PRESSED) != 0 || (synth_state & SELECTED) != 0)) {
+        flags |= GTK_STATE_FLAG_ACTIVE;
+    }
+    if ((synth_state & MOUSE_OVER) != 0) {
+        flags |= GTK_STATE_FLAG_PRELIGHT;
+    }
+    if ((synth_state & FOCUSED) != 0) {
+        flags |= GTK_STATE_FLAG_FOCUSED;
+    }
+    return flags;
+}
+
+static GtkStateFlags get_gtk_flags(GtkStateType state_type) {
+    GtkStateFlags flags = 0;
+    switch (state_type)
+    {
+        case GTK_STATE_PRELIGHT:
+          flags |= GTK_STATE_FLAG_PRELIGHT;
+          break;
+        case GTK_STATE_SELECTED:
+          flags |= GTK_STATE_FLAG_SELECTED;
+          break;
+        case GTK_STATE_INSENSITIVE:
+          flags |= GTK_STATE_FLAG_INSENSITIVE;
+          break;
+        case GTK_STATE_ACTIVE:
+          flags |= GTK_STATE_FLAG_ACTIVE;
+          break;
+        case GTK_STATE_FOCUSED:
+          flags |= GTK_STATE_FLAG_FOCUSED;
+          break;
+        default:
+          break;
+    }
+    return flags;
+}
+
+/* GTK shadow_type filter */
+static GtkShadowType get_gtk_shadow_type(WidgetType widget_type,
+                                                               gint synth_state)
+{
+    GtkShadowType result = GTK_SHADOW_OUT;
+
+    if ((synth_state & SELECTED) != 0) {
+        result = GTK_SHADOW_IN;
+    }
+    return result;
+}
+
+
+static GtkWidget* gtk3_get_arrow(GtkArrowType arrow_type,
+                                                      GtkShadowType shadow_type)
+{
+    GtkWidget *arrow = NULL;
+    if (NULL == gtk3_widgets[_GTK_ARROW_TYPE])
+    {
+        gtk3_widgets[_GTK_ARROW_TYPE] = (*fp_gtk_arrow_new)(arrow_type,
+                                                                   shadow_type);
+        (*fp_gtk_container_add)((GtkContainer *)gtk3_fixed,
+                                                 gtk3_widgets[_GTK_ARROW_TYPE]);
+        (*fp_gtk_widget_realize)(gtk3_widgets[_GTK_ARROW_TYPE]);
+    }
+    arrow = gtk3_widgets[_GTK_ARROW_TYPE];
+
+    (*fp_gtk_arrow_set)(arrow, arrow_type, shadow_type);
+    return arrow;
+}
+
+static GtkAdjustment* create_adjustment()
+{
+    return (GtkAdjustment *)
+            (*fp_gtk_adjustment_new)(50.0, 0.0, 100.0, 10.0, 20.0, 20.0);
+}
+
+/**
+ * Returns a pointer to the cached native widget for the specified widget
+ * type.
+ */
+static GtkWidget *gtk3_get_widget(WidgetType widget_type)
+{
+    gboolean init_result = FALSE;
+    GtkWidget *result = NULL;
+    switch (widget_type)
+    {
+        case BUTTON:
+        case TABLE_HEADER:
+            if (init_result = (NULL == gtk3_widgets[_GTK_BUTTON_TYPE]))
+            {
+                gtk3_widgets[_GTK_BUTTON_TYPE] = (*fp_gtk_button_new)();
+            }
+            result = gtk3_widgets[_GTK_BUTTON_TYPE];
+            break;
+        case CHECK_BOX:
+            if (init_result = (NULL == gtk3_widgets[_GTK_CHECK_BUTTON_TYPE]))
+            {
+                gtk3_widgets[_GTK_CHECK_BUTTON_TYPE] =
+                    (*fp_gtk_check_button_new)();
+            }
+            result = gtk3_widgets[_GTK_CHECK_BUTTON_TYPE];
+            break;
+        case CHECK_BOX_MENU_ITEM:
+            if (init_result = (NULL == gtk3_widgets[_GTK_CHECK_MENU_ITEM_TYPE]))
+            {
+                gtk3_widgets[_GTK_CHECK_MENU_ITEM_TYPE] =
+                    (*fp_gtk_check_menu_item_new)();
+            }
+            result = gtk3_widgets[_GTK_CHECK_MENU_ITEM_TYPE];
+            break;
+        /************************************************************
+         *    Creation a dedicated color chooser is dangerous because
+         * it deadlocks the EDT
+         ************************************************************/
+/*        case COLOR_CHOOSER:
+            if (init_result =
+                    (NULL == gtk3_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE]))
+            {
+                gtk3_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE] =
+                    (*fp_gtk_color_selection_dialog_new)(NULL);
+            }
+            result = gtk3_widgets[_GTK_COLOR_SELECTION_DIALOG_TYPE];
+            break;*/
+        case COMBO_BOX:
+            if (init_result = (NULL == gtk3_widgets[_GTK_COMBO_BOX_TYPE]))
+            {
+                gtk3_widgets[_GTK_COMBO_BOX_TYPE] =
+                    (*fp_gtk_combo_box_new)();
+            }
+            result = gtk3_widgets[_GTK_COMBO_BOX_TYPE];
+            break;
+        case COMBO_BOX_ARROW_BUTTON:
+            if (init_result =
+                    (NULL == gtk3_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE]))
+            {
+                gtk3_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE] =
+                     (*fp_gtk_toggle_button_new)();
+            }
+            result = gtk3_widgets[_GTK_COMBO_BOX_ARROW_BUTTON_TYPE];
+            break;
+        case COMBO_BOX_TEXT_FIELD:
+            if (init_result =
+                    (NULL == gtk3_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE]))
+            {
+                result = gtk3_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE] =
+                     (*fp_gtk_entry_new)();
+            }
+            result = gtk3_widgets[_GTK_COMBO_BOX_TEXT_FIELD_TYPE];
+            break;
+        case DESKTOP_ICON:
+        case INTERNAL_FRAME_TITLE_PANE:
+        case LABEL:
+            if (init_result = (NULL == gtk3_widgets[_GTK_LABEL_TYPE]))
+            {
+                gtk3_widgets[_GTK_LABEL_TYPE] =
+                    (*fp_gtk_label_new)(NULL);
+            }
+            result = gtk3_widgets[_GTK_LABEL_TYPE];
+            break;
+        case DESKTOP_PANE:
+        case PANEL:
+        case ROOT_PANE:
+            if (init_result = (NULL == gtk3_widgets[_GTK_CONTAINER_TYPE]))
+            {
+                /* There is no constructor for a container type.  I've
+                 * chosen GtkFixed container since it has a default
+                 * constructor.
+                 */
+                gtk3_widgets[_GTK_CONTAINER_TYPE] =
+                    (*fp_gtk_fixed_new)();
+            }
+            result = gtk3_widgets[_GTK_CONTAINER_TYPE];
+            break;
+        case EDITOR_PANE:
+        case TEXT_AREA:
+        case TEXT_PANE:
+            if (init_result = (NULL == gtk3_widgets[_GTK_TEXT_VIEW_TYPE]))
+            {
+                gtk3_widgets[_GTK_TEXT_VIEW_TYPE] =
+                    (*fp_gtk_text_view_new)();
+            }
+            result = gtk3_widgets[_GTK_TEXT_VIEW_TYPE];
+            break;
+        case FORMATTED_TEXT_FIELD:
+        case PASSWORD_FIELD:
+        case TEXT_FIELD:
+            if (init_result = (NULL == gtk3_widgets[_GTK_ENTRY_TYPE]))
+            {
+                gtk3_widgets[_GTK_ENTRY_TYPE] =
+                    (*fp_gtk_entry_new)();
+            }
+            result = gtk3_widgets[_GTK_ENTRY_TYPE];
+            break;
+        case HANDLE_BOX:
+            if (init_result = (NULL == gtk3_widgets[_GTK_HANDLE_BOX_TYPE]))
+            {
+                gtk3_widgets[_GTK_HANDLE_BOX_TYPE] =
+                    (*fp_gtk_handle_box_new)();
+            }
+            result = gtk3_widgets[_GTK_HANDLE_BOX_TYPE];
+            break;
+        case HSCROLL_BAR:
+        case HSCROLL_BAR_BUTTON_LEFT:
+        case HSCROLL_BAR_BUTTON_RIGHT:
+        case HSCROLL_BAR_TRACK:
+        case HSCROLL_BAR_THUMB:
+            if (init_result = (NULL == gtk3_widgets[_GTK_HSCROLLBAR_TYPE]))
+            {
+                gtk3_widgets[_GTK_HSCROLLBAR_TYPE] =
+                    (*fp_gtk_hscrollbar_new)(create_adjustment());
+            }
+            result = gtk3_widgets[_GTK_HSCROLLBAR_TYPE];
+            break;
+        case HSEPARATOR:
+            if (init_result = (NULL == gtk3_widgets[_GTK_HSEPARATOR_TYPE]))
+            {
+                gtk3_widgets[_GTK_HSEPARATOR_TYPE] =
+                    (*fp_gtk_hseparator_new)();
+            }
+            result = gtk3_widgets[_GTK_HSEPARATOR_TYPE];
+            break;
+        case HSLIDER:
+        case HSLIDER_THUMB:
+        case HSLIDER_TRACK:
+            if (init_result = (NULL == gtk3_widgets[_GTK_HSCALE_TYPE]))
+            {
+                gtk3_widgets[_GTK_HSCALE_TYPE] =
+                    (*fp_gtk_scale_new)(GTK_ORIENTATION_HORIZONTAL, NULL);
+            }
+            result = gtk3_widgets[_GTK_HSCALE_TYPE];
+            break;
+        case HSPLIT_PANE_DIVIDER:
+        case SPLIT_PANE:
+            if (init_result = (NULL == gtk3_widgets[_GTK_HPANED_TYPE]))
+            {
+                gtk3_widgets[_GTK_HPANED_TYPE] = (*fp_gtk_hpaned_new)();
+            }
+            result = gtk3_widgets[_GTK_HPANED_TYPE];
+            break;
+        case IMAGE:
+            if (init_result = (NULL == gtk3_widgets[_GTK_IMAGE_TYPE]))
+            {
+                gtk3_widgets[_GTK_IMAGE_TYPE] = (*fp_gtk_image_new)();
+            }
+            result = gtk3_widgets[_GTK_IMAGE_TYPE];
+            break;
+        case INTERNAL_FRAME:
+            if (init_result = (NULL == gtk3_widgets[_GTK_WINDOW_TYPE]))
+            {
+                gtk3_widgets[_GTK_WINDOW_TYPE] =
+                    (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL);
+            }
+            result = gtk3_widgets[_GTK_WINDOW_TYPE];
+            break;
+        case TOOL_TIP:
+            if (init_result = (NULL == gtk3_widgets[_GTK_TOOLTIP_TYPE]))
+            {
+                result = (*fp_gtk_window_new)(GTK_WINDOW_TOPLEVEL);
+                gtk3_widgets[_GTK_TOOLTIP_TYPE] = result;
+            }
+            result = gtk3_widgets[_GTK_TOOLTIP_TYPE];
+            break;
+        case LIST:
+        case TABLE:
+        case TREE:
+        case TREE_CELL:
+            if (init_result = (NULL == gtk3_widgets[_GTK_TREE_VIEW_TYPE]))
+            {
+                gtk3_widgets[_GTK_TREE_VIEW_TYPE] =
+                    (*fp_gtk_tree_view_new)();
+            }
+            result = gtk3_widgets[_GTK_TREE_VIEW_TYPE];
+            break;
+        case TITLED_BORDER:
+            if (init_result = (NULL == gtk3_widgets[_GTK_FRAME_TYPE]))
+            {
+                gtk3_widgets[_GTK_FRAME_TYPE] = fp_gtk_frame_new(NULL);
+            }
+            result = gtk3_widgets[_GTK_FRAME_TYPE];
+            break;
+        case POPUP_MENU:
+            if (init_result = (NULL == gtk3_widgets[_GTK_MENU_TYPE]))
+            {
+                gtk3_widgets[_GTK_MENU_TYPE] =
+                    (*fp_gtk_menu_new)();
+            }
+            result = gtk3_widgets[_GTK_MENU_TYPE];
+            break;
+        case MENU:
+        case MENU_ITEM:
+        case MENU_ITEM_ACCELERATOR:
+            if (init_result = (NULL == gtk3_widgets[_GTK_MENU_ITEM_TYPE]))
+            {
+                gtk3_widgets[_GTK_MENU_ITEM_TYPE] =
+                    (*fp_gtk_menu_item_new)();
+            }
+            result = gtk3_widgets[_GTK_MENU_ITEM_TYPE];
+            break;
+        case MENU_BAR:
+            if (init_result = (NULL == gtk3_widgets[_GTK_MENU_BAR_TYPE]))
+            {
+                gtk3_widgets[_GTK_MENU_BAR_TYPE] =
+                    (*fp_gtk_menu_bar_new)();
+            }
+            result = gtk3_widgets[_GTK_MENU_BAR_TYPE];
+            break;
+        case COLOR_CHOOSER:
+        case OPTION_PANE:
+            if (init_result = (NULL == gtk3_widgets[_GTK_DIALOG_TYPE]))
+            {
+                gtk3_widgets[_GTK_DIALOG_TYPE] =
+                    (*fp_gtk_dialog_new)();
+            }
+            result = gtk3_widgets[_GTK_DIALOG_TYPE];
+            break;
+        case POPUP_MENU_SEPARATOR:
+            if (init_result =
+                    (NULL == gtk3_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE]))
+            {
+                gtk3_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE] =
+                    (*fp_gtk_separator_menu_item_new)();
+            }
+            result = gtk3_widgets[_GTK_SEPARATOR_MENU_ITEM_TYPE];
+            break;
+        case HPROGRESS_BAR:
+            if (init_result = (NULL == gtk3_widgets[_GTK_HPROGRESS_BAR_TYPE]))
+            {
+                gtk3_widgets[_GTK_HPROGRESS_BAR_TYPE] =
+                    (*fp_gtk_progress_bar_new)();
+            }
+            result = gtk3_widgets[_GTK_HPROGRESS_BAR_TYPE];
+            break;
+        case VPROGRESS_BAR:
+            if (init_result = (NULL == gtk3_widgets[_GTK_VPROGRESS_BAR_TYPE]))
+            {
+                gtk3_widgets[_GTK_VPROGRESS_BAR_TYPE] =
+                    (*fp_gtk_progress_bar_new)();
+                /*
+                 * Vertical JProgressBars always go bottom-to-top,
+                 * regardless of the ComponentOrientation.
+                 */
+                (*fp_gtk_progress_bar_set_orientation)(
+                    (GtkProgressBar *)gtk3_widgets[_GTK_VPROGRESS_BAR_TYPE],
+                    GTK_PROGRESS_BOTTOM_TO_TOP);
+            }
+            result = gtk3_widgets[_GTK_VPROGRESS_BAR_TYPE];
+            break;
+        case RADIO_BUTTON:
+            if (init_result = (NULL == gtk3_widgets[_GTK_RADIO_BUTTON_TYPE]))
+            {
+                gtk3_widgets[_GTK_RADIO_BUTTON_TYPE] =
+                    (*fp_gtk_radio_button_new)(NULL);
+            }
+            result = gtk3_widgets[_GTK_RADIO_BUTTON_TYPE];
+            break;
+        case RADIO_BUTTON_MENU_ITEM:
+            if (init_result =
+                    (NULL == gtk3_widgets[_GTK_RADIO_MENU_ITEM_TYPE]))
+            {
+                gtk3_widgets[_GTK_RADIO_MENU_ITEM_TYPE] =
+                    (*fp_gtk_radio_menu_item_new)(NULL);
+            }
+            result = gtk3_widgets[_GTK_RADIO_MENU_ITEM_TYPE];
+            break;
+        case SCROLL_PANE:
+            if (init_result =
+                    (NULL == gtk3_widgets[_GTK_SCROLLED_WINDOW_TYPE]))
+            {
+                gtk3_widgets[_GTK_SCROLLED_WINDOW_TYPE] =
+                    (*fp_gtk_scrolled_window_new)(NULL, NULL);
+            }
+            result = gtk3_widgets[_GTK_SCROLLED_WINDOW_TYPE];
+            break;
+        case SPINNER:
+        case SPINNER_ARROW_BUTTON:
+        case SPINNER_TEXT_FIELD:
+            if (init_result = (NULL == gtk3_widgets[_GTK_SPIN_BUTTON_TYPE]))
+            {
+                result = gtk3_widgets[_GTK_SPIN_BUTTON_TYPE] =
+                    (*fp_gtk_spin_button_new)(NULL, 0, 0);
+            }
+            result = gtk3_widgets[_GTK_SPIN_BUTTON_TYPE];
+            break;
+        case TABBED_PANE:
+        case TABBED_PANE_TAB_AREA:
+        case TABBED_PANE_CONTENT:
+        case TABBED_PANE_TAB:
+            if (init_result = (NULL == gtk3_widgets[_GTK_NOTEBOOK_TYPE]))
+            {
+                gtk3_widgets[_GTK_NOTEBOOK_TYPE] =
+                    (*fp_gtk_notebook_new)(NULL);
+            }
+            result = gtk3_widgets[_GTK_NOTEBOOK_TYPE];
+            break;
+        case TOGGLE_BUTTON:
+            if (init_result = (NULL == gtk3_widgets[_GTK_TOGGLE_BUTTON_TYPE]))
+            {
+                gtk3_widgets[_GTK_TOGGLE_BUTTON_TYPE] =
+                    (*fp_gtk_toggle_button_new)(NULL);
+            }
+            result = gtk3_widgets[_GTK_TOGGLE_BUTTON_TYPE];
+            break;
+        case TOOL_BAR:
+        case TOOL_BAR_DRAG_WINDOW:
+            if (init_result = (NULL == gtk3_widgets[_GTK_TOOLBAR_TYPE]))
+            {
+                gtk3_widgets[_GTK_TOOLBAR_TYPE] =
+                    (*fp_gtk_toolbar_new)(NULL);
+            }
+            result = gtk3_widgets[_GTK_TOOLBAR_TYPE];
+            break;
+        case TOOL_BAR_SEPARATOR:
+            if (init_result =
+                    (NULL == gtk3_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE]))
+            {
+                gtk3_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE] =
+                    (*fp_gtk_separator_tool_item_new)();
+            }
+            result = gtk3_widgets[_GTK_SEPARATOR_TOOL_ITEM_TYPE];
+            break;
+        case VIEWPORT:
+            if (init_result = (NULL == gtk3_widgets[_GTK_VIEWPORT_TYPE]))
+            {
+                GtkAdjustment *adjustment = create_adjustment();
+                gtk3_widgets[_GTK_VIEWPORT_TYPE] =
+                    (*fp_gtk_viewport_new)(adjustment, adjustment);
+            }
+            result = gtk3_widgets[_GTK_VIEWPORT_TYPE];
+            break;
+        case VSCROLL_BAR:
+        case VSCROLL_BAR_BUTTON_UP:
+        case VSCROLL_BAR_BUTTON_DOWN:
+        case VSCROLL_BAR_TRACK:
+        case VSCROLL_BAR_THUMB:
+            if (init_result = (NULL == gtk3_widgets[_GTK_VSCROLLBAR_TYPE]))
+            {
+                gtk3_widgets[_GTK_VSCROLLBAR_TYPE] =
+                    (*fp_gtk_vscrollbar_new)(create_adjustment());
+            }
+            result = gtk3_widgets[_GTK_VSCROLLBAR_TYPE];
+            break;
+        case VSEPARATOR:
+            if (init_result = (NULL == gtk3_widgets[_GTK_VSEPARATOR_TYPE]))
+            {
+                gtk3_widgets[_GTK_VSEPARATOR_TYPE] =
+                    (*fp_gtk_vseparator_new)();
+            }
+            result = gtk3_widgets[_GTK_VSEPARATOR_TYPE];
+            break;
+        case VSLIDER:
+        case VSLIDER_THUMB:
+        case VSLIDER_TRACK:
+            if (init_result = (NULL == gtk3_widgets[_GTK_VSCALE_TYPE]))
+            {
+                gtk3_widgets[_GTK_VSCALE_TYPE] =
+                    (*fp_gtk_scale_new)(GTK_ORIENTATION_VERTICAL, NULL);
+            }
+            result = gtk3_widgets[_GTK_VSCALE_TYPE];
+            /*
+             * Vertical JSliders start at the bottom, while vertical
+             * GtkVScale widgets start at the top (by default), so to fix
+             * this we set the "inverted" flag to get the Swing behavior.
+             */
+             fp_gtk_range_set_inverted((GtkRange*)result, TRUE);
+            break;
+        case VSPLIT_PANE_DIVIDER:
+            if (init_result = (NULL == gtk3_widgets[_GTK_VPANED_TYPE]))
+            {
+                gtk3_widgets[_GTK_VPANED_TYPE] = (*fp_gtk_vpaned_new)();
+            }
+            result = gtk3_widgets[_GTK_VPANED_TYPE];
+            break;
+        default:
+            result = NULL;
+            break;
+    }
+
+    if (result != NULL && init_result)
+    {
+        if (widget_type == RADIO_BUTTON_MENU_ITEM ||
+                widget_type == CHECK_BOX_MENU_ITEM ||
+                widget_type == MENU_ITEM ||
+                widget_type == MENU ||
+                widget_type == POPUP_MENU_SEPARATOR)
+        {
+            GtkWidget *menu = gtk3_get_widget(POPUP_MENU);
+            (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu, result);
+        }
+        else if (widget_type == POPUP_MENU)
+        {
+            GtkWidget *menu_bar = gtk3_get_widget(MENU_BAR);
+            GtkWidget *root_menu = (*fp_gtk_menu_item_new)();
+            (*fp_gtk_menu_item_set_submenu)((GtkMenuItem*)root_menu, result);
+            (*fp_gtk_menu_shell_append)((GtkMenuShell *)menu_bar, root_menu);
+        }
+        else if (widget_type == COMBO_BOX_TEXT_FIELD )
+        {
+            GtkWidget* combo = gtk3_get_widget(COMBO_BOX);
+
+            /*
+            * We add a regular GtkButton/GtkEntry to a GtkComboBoxEntry
+            * in order to trick engines into thinking it's a real combobox
+            * arrow button/text field.
+            */
+
+            fp_gtk_container_add ((GtkContainer*)(combo), result);
+            GtkStyleContext* context = fp_gtk_widget_get_style_context (combo);
+            fp_gtk_style_context_add_class (context, "combobox-entry");
+            context = fp_gtk_widget_get_style_context (result);
+            fp_gtk_style_context_add_class (context, "combobox");
+            fp_gtk_style_context_add_class (context, "entry");
+        }
+        else if (widget_type == COMBO_BOX_ARROW_BUTTON )
+        {
+            GtkWidget* combo = gtk3_get_widget(COMBO_BOX);
+            fp_gtk_widget_set_parent(result, combo);
+        }
+        else if (widget_type != TOOL_TIP &&
+                 widget_type != INTERNAL_FRAME &&
+                 widget_type != OPTION_PANE)
+        {
+            (*fp_gtk_container_add)((GtkContainer *)gtk3_fixed, result);
+        }
+        (*fp_gtk_widget_realize)(result);
+    }
+    return result;
+}
+
+static void gtk3_paint_arrow(WidgetType widget_type, GtkStateType state_type,
+        GtkShadowType shadow_type, const gchar *detail,
+        gint x, gint y, gint width, gint height,
+        GtkArrowType arrow_type, gboolean fill)
+{
+    gdouble xx, yy, a = G_PI;
+    int s = width;
+    gtk3_widget = gtk3_get_arrow(arrow_type, shadow_type);
+
+    switch (widget_type)
+    {
+        case SPINNER_ARROW_BUTTON:
+            s = (int)(0.4 * width + 0.5) + 1;
+            if (arrow_type == GTK_ARROW_UP) {
+                a = 0;
+            } else if (arrow_type == GTK_ARROW_DOWN) {
+                a = G_PI;
+            }
+            break;
+
+        case HSCROLL_BAR_BUTTON_LEFT:
+            s = (int)(0.5 * MIN(height, width * 2) + 0.5) + 1;
+            a = 3 * G_PI / 2;
+            break;
+
+        case HSCROLL_BAR_BUTTON_RIGHT:
+            s = (int)(0.5 * MIN(height, width * 2) + 0.5) + 1;
+            a = G_PI / 2;
+            break;
+
+        case VSCROLL_BAR_BUTTON_UP:
+            s = (int)(0.5 * MIN(height * 2, width) + 0.5) + 1;
+            a = 0;
+            break;
+
+        case VSCROLL_BAR_BUTTON_DOWN:
+            s = (int)(0.5 * MIN(height * 2, width) + 0.5) + 1;
+            a = G_PI;
+            break;
+
+        case COMBO_BOX_ARROW_BUTTON:
+            s = (int)(0.3 * height + 0.5) + 1;
+            a = G_PI;
+            break;
+
+        case TABLE:
+            s = (int)(0.8 * height + 0.5) + 1;
+            if (arrow_type == GTK_ARROW_UP) {
+                a = G_PI;
+            } else if (arrow_type == GTK_ARROW_DOWN) {
+                a = 0;
+            }
+            break;
+
+        case MENU_ITEM:
+            if (arrow_type == GTK_ARROW_UP) {
+                a = G_PI;
+            } else if (arrow_type == GTK_ARROW_DOWN) {
+                a = 0;
+            } else if (arrow_type == GTK_ARROW_RIGHT) {
+                a = G_PI / 2;
+            } else if (arrow_type == GTK_ARROW_LEFT) {
+                a = 3 * G_PI / 2;
+            }
+            break;
+
+        default:
+            if (arrow_type == GTK_ARROW_UP) {
+                a = G_PI;
+            } else if (arrow_type == GTK_ARROW_DOWN) {
+                a = 0;
+            } else if (arrow_type == GTK_ARROW_RIGHT) {
+                a = G_PI / 2;
+            } else if (arrow_type == GTK_ARROW_LEFT) {
+                a = 3 * G_PI / 2;
+            }
+            break;
+    }
+
+    if (s < width && s < height) {
+        xx = x + (0.5 * (width - s) + 0.5);
+        yy = y + (0.5 * (height - s) + 0.5);
+    } else {
+        xx = x;
+        yy = y;
+    }
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+    fp_gtk_style_context_save (context);
+
+
+    if (detail != NULL) {
+        transform_detail_string(detail, context);
+    }
+
+    GtkStateFlags flags = get_gtk_flags(state_type);
+
+    fp_gtk_style_context_set_state (context, flags);
+
+    (*fp_gtk_render_arrow)(context, cr, a, xx, yy, s);
+
+    fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_box(WidgetType widget_type, GtkStateType state_type,
+                    GtkShadowType shadow_type, const gchar *detail,
+                    gint x, gint y, gint width, gint height,
+                    gint synth_state, GtkTextDirection dir)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    if (widget_type == HSLIDER_TRACK) {
+        /*
+         * For horizontal JSliders with right-to-left orientation, we need
+         * to set the "inverted" flag to match the native GTK behavior where
+         * the foreground highlight is on the right side of the slider thumb.
+         * This is needed especially for the ubuntulooks engine, which looks
+         * exclusively at the "inverted" flag to determine on which side of
+         * the thumb to paint the highlight...
+         */
+        fp_gtk_range_set_inverted((GtkRange*)gtk3_widget, dir ==
+                                                              GTK_TEXT_DIR_RTL);
+
+        /*
+         * Note however that other engines like clearlooks will look at both
+         * the "inverted" field and the text direction to determine how
+         * the foreground highlight is painted:
+         *     !inverted && ltr --> paint highlight on left side
+         *     !inverted && rtl --> paint highlight on right side
+         *      inverted && ltr --> paint highlight on right side
+         *      inverted && rtl --> paint highlight on left side
+         * So the only way to reliably get the desired results for horizontal
+         * JSlider (i.e., highlight on left side for LTR ComponentOrientation
+         * and highlight on right side for RTL ComponentOrientation) is to
+         * always override text direction as LTR, and then set the "inverted"
+         * flag accordingly (as we have done above).
+         */
+        dir = GTK_TEXT_DIR_LTR;
+    }
+
+    /*
+     * Some engines (e.g. clearlooks) will paint the shadow of certain
+     * widgets (e.g. COMBO_BOX_ARROW_BUTTON) differently depending on the
+     * the text direction.
+     */
+    gtk3_set_direction(gtk3_widget, dir);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+    fp_gtk_style_context_save (context);
+
+    transform_detail_string(detail, context);
+
+    GtkStateFlags flags = get_gtk_flags(state_type);
+
+    if (shadow_type == GTK_SHADOW_IN && widget_type != COMBO_BOX_ARROW_BUTTON) {
+        flags |= GTK_STATE_FLAG_ACTIVE;
+    }
+
+    if (synth_state & MOUSE_OVER) {
+        flags |= GTK_STATE_FLAG_PRELIGHT;
+    }
+
+    if (synth_state & FOCUSED) {
+        flags |= GTK_STATE_FLAG_FOCUSED;
+    }
+
+    if (synth_state & DEFAULT) {
+        fp_gtk_style_context_add_class (context, "default");
+    }
+
+    fp_gtk_style_context_set_state (context, flags);
+
+    if (fp_gtk_style_context_has_class(context, "progressbar")) {
+        fp_gtk_render_activity (context, cr, x, y, width, height);
+    } else {
+        fp_gtk_render_background (context, cr, x, y, width, height);
+        if (shadow_type != GTK_SHADOW_NONE) {
+            fp_gtk_render_frame(context, cr, x, y, width, height);
+        }
+    }
+
+    fp_gtk_style_context_restore (context);
+    /*
+     * Reset the text direction to the default value so that we don't
+     * accidentally affect other operations and widgets.
+     */
+    gtk3_set_direction(gtk3_widget, GTK_TEXT_DIR_LTR);
+}
+
+static void gtk3_paint_box_gap(WidgetType widget_type, GtkStateType state_type,
+        GtkShadowType shadow_type, const gchar *detail,
+        gint x, gint y, gint width, gint height,
+        GtkPositionType gap_side, gint gap_x, gint gap_width)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+    fp_gtk_style_context_save (context);
+
+    GtkStateFlags flags = get_gtk_flags(state_type);
+    fp_gtk_style_context_set_state(context, flags);
+
+    if (detail != 0) {
+        transform_detail_string(detail, context);
+    }
+    fp_gtk_render_background(context, cr, x, y, width, height);
+
+    if (shadow_type != GTK_SHADOW_NONE) {
+        fp_gtk_render_frame_gap(context, cr, x, y, width, height, gap_side,
+                                    (gdouble)gap_x, (gdouble)gap_x + gap_width);
+    }
+    fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_check(WidgetType widget_type, gint synth_state,
+        const gchar *detail, gint x, gint y, gint width, gint height)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+    fp_gtk_style_context_save (context);
+
+    GtkStateFlags flags = get_gtk_state_flags(synth_state);
+    if (gtk3_version_3_14 && (synth_state & SELECTED)) {
+        flags = GTK_STATE_FLAG_CHECKED;
+    }
+    fp_gtk_style_context_set_state(context, flags);
+
+    fp_gtk_style_context_add_class (context, "check");
+
+    fp_gtk_render_check (context, cr, x, y, width, height);
+
+    fp_gtk_style_context_restore (context);
+}
+
+
+static void gtk3_paint_expander(WidgetType widget_type, GtkStateType state_type,
+        const gchar *detail, gint x, gint y, gint width, gint height,
+        GtkExpanderStyle expander_style)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+    fp_gtk_style_context_save (context);
+
+    GtkStateFlags flags = get_gtk_flags(state_type);
+    fp_gtk_style_context_set_state(context, flags);
+
+    if (detail != 0) {
+        transform_detail_string(detail, context);
+    }
+
+    fp_gtk_render_expander (context, cr, x, y, width, height);
+
+    fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_extension(WidgetType widget_type, GtkStateType state_type,
+        GtkShadowType shadow_type, const gchar *detail,
+        gint x, gint y, gint width, gint height, GtkPositionType gap_side)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+    fp_gtk_style_context_save (context);
+
+    GtkStateFlags flags = GTK_STATE_FLAG_NORMAL;
+
+    if (state_type == 0) {
+        flags = GTK_STATE_FLAG_ACTIVE;
+    }
+
+    fp_gtk_style_context_set_state(context, flags);
+
+    if (detail != 0) {
+        transform_detail_string(detail, context);
+    }
+    switch(gap_side) {
+      case GTK_POS_LEFT:
+        fp_gtk_style_context_add_class(context, "right");
+        break;
+      case GTK_POS_RIGHT:
+        fp_gtk_style_context_add_class(context, "left");
+        break;
+      case GTK_POS_TOP:
+        fp_gtk_style_context_add_class(context, "bottom");
+        break;
+      case GTK_POS_BOTTOM:
+        fp_gtk_style_context_add_class(context, "top");
+        break;
+      default:
+        break;
+    }
+
+    fp_gtk_render_extension(context, cr, x, y, width, height, gap_side);
+
+    fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_flat_box(WidgetType widget_type, GtkStateType state_type,
+        GtkShadowType shadow_type, const gchar *detail,
+        gint x, gint y, gint width, gint height, gboolean has_focus)
+{
+    if (state_type == GTK_STATE_PRELIGHT &&
+        (widget_type == CHECK_BOX || widget_type == RADIO_BUTTON)) {
+        return;
+    }
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+    fp_gtk_style_context_save (context);
+
+    if (detail != 0) {
+        transform_detail_string(detail, context);
+    }
+
+    GtkStateFlags flags = get_gtk_flags(state_type);
+
+    if (has_focus) {
+        flags |= GTK_STATE_FLAG_FOCUSED;
+    }
+
+    fp_gtk_style_context_set_state (context, flags);
+
+    if (widget_type == COMBO_BOX_TEXT_FIELD) {
+        width += height /2;
+    }
+
+    fp_gtk_render_background (context, cr, x, y, width, height);
+
+    fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_focus(WidgetType widget_type, GtkStateType state_type,
+        const char *detail, gint x, gint y, gint width, gint height)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+    fp_gtk_style_context_save (context);
+
+    transform_detail_string(detail, context);
+    fp_gtk_render_focus (context, cr, x, y, width, height);
+
+    fp_gtk_style_context_restore (context);
+
+}
+
+static void gtk3_paint_handle(WidgetType widget_type, GtkStateType state_type,
+        GtkShadowType shadow_type, const gchar *detail,
+        gint x, gint y, gint width, gint height, GtkOrientation orientation)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+    fp_gtk_style_context_save (context);
+
+    GtkStateFlags flags = get_gtk_flags(state_type);
+    fp_gtk_style_context_set_state(context, GTK_STATE_FLAG_PRELIGHT);
+
+    if (detail != 0) {
+        transform_detail_string(detail, context);
+        fp_gtk_style_context_add_class (context, "handlebox_bin");
+    }
+
+    fp_gtk_render_handle(context, cr, x, y, width, height);
+    fp_gtk_render_background(context, cr, x, y, width, height);
+
+    fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_hline(WidgetType widget_type, GtkStateType state_type,
+        const gchar *detail, gint x, gint y, gint width, gint height)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+    fp_gtk_style_context_save (context);
+
+    if (detail != 0) {
+        transform_detail_string(detail, context);
+    }
+
+    fp_gtk_render_line(context, cr, x, y, x + width, y);
+
+    fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_vline(WidgetType widget_type, GtkStateType state_type,
+        const gchar *detail, gint x, gint y, gint width, gint height)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+    fp_gtk_style_context_save (context);
+
+    if (detail != 0) {
+        transform_detail_string(detail, context);
+    }
+
+    fp_gtk_render_line(context, cr, x, y, x, y + height);
+
+    fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_option(WidgetType widget_type, gint synth_state,
+        const gchar *detail, gint x, gint y, gint width, gint height)
+{
+     gtk3_widget = gtk3_get_widget(widget_type);
+
+     GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+     fp_gtk_style_context_save (context);
+
+     GtkStateFlags flags = get_gtk_state_flags(synth_state);
+     if (gtk3_version_3_14 && (synth_state & SELECTED)) {
+         flags = GTK_STATE_FLAG_CHECKED;
+     }
+     fp_gtk_style_context_set_state(context, flags);
+
+     if (detail != 0) {
+         transform_detail_string(detail, context);
+     }
+
+     fp_gtk_render_option(context, cr, x, y, width, height);
+
+     fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_shadow(WidgetType widget_type, GtkStateType state_type,
+                       GtkShadowType shadow_type, const gchar *detail,
+                       gint x, gint y, gint width, gint height,
+                       gint synth_state, GtkTextDirection dir)
+{
+    if (shadow_type == GTK_SHADOW_NONE) {
+        return;
+    }
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    /*
+     * Some engines (e.g. clearlooks) will paint the shadow of certain
+     * widgets (e.g. COMBO_BOX_TEXT_FIELD) differently depending on the
+     * the text direction.
+     */
+    gtk3_set_direction(gtk3_widget, dir);
+
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+    fp_gtk_style_context_save (context);
+
+    if (detail) {
+        transform_detail_string(detail, context);
+    }
+
+    GtkStateFlags flags = get_gtk_flags(state_type);
+
+    if (synth_state & MOUSE_OVER) {
+        flags |= GTK_STATE_FLAG_PRELIGHT;
+    }
+
+    if (synth_state & FOCUSED) {
+        flags |= GTK_STATE_FLAG_FOCUSED;
+    }
+
+    fp_gtk_style_context_set_state (context, flags);
+
+    if (widget_type == COMBO_BOX_TEXT_FIELD) {
+        width += height / 2;
+    }
+    fp_gtk_render_frame(context, cr, x, y, width, height);
+
+    fp_gtk_style_context_restore (context);
+
+    /*
+     * Reset the text direction to the default value so that we don't
+     * accidentally affect other operations and widgets.
+     */
+    gtk3_set_direction(gtk3_widget, GTK_TEXT_DIR_LTR);
+}
+
+static void gtk3_paint_slider(WidgetType widget_type, GtkStateType state_type,
+        GtkShadowType shadow_type, const gchar *detail,
+        gint x, gint y, gint width, gint height, GtkOrientation orientation,
+        gboolean has_focus)
+{
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+
+    fp_gtk_style_context_save (context);
+
+    if (detail) {
+       transform_detail_string(detail, context);
+    }
+
+    GtkStateFlags flags = get_gtk_flags(state_type);
+
+    if (state_type == GTK_STATE_ACTIVE) {
+        flags |= GTK_STATE_FLAG_PRELIGHT;
+    }
+
+    if (has_focus) {
+        flags |= GTK_STATE_FLAG_FOCUSED;
+    }
+
+    fp_gtk_style_context_set_state (context, flags);
+
+    (*fp_gtk_render_slider)(context, cr, x, y, width, height, orientation);
+
+    fp_gtk_style_context_restore (context);
+}
+
+static void gtk3_paint_background(WidgetType widget_type,
+             GtkStateType state_type, gint x, gint y, gint width, gint height) {
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+    fp_gtk_style_context_save (context);
+
+    GtkStateFlags flags = get_gtk_flags(state_type);
+
+    fp_gtk_style_context_set_state (context, flags);
+
+    fp_gtk_render_background (context, cr, x, y, width, height);
+
+    fp_gtk_style_context_restore (context);
+}
+
+static GdkPixbuf *gtk3_get_stock_icon(gint widget_type, const gchar *stock_id,
+        GtkIconSize size, GtkTextDirection direction, const char *detail)
+{
+    int sz;
+
+    switch(size) {
+      case GTK_ICON_SIZE_MENU:
+        sz = 16;
+        break;
+      case GTK_ICON_SIZE_SMALL_TOOLBAR:
+        sz = 18;
+        break;
+      case GTK_ICON_SIZE_LARGE_TOOLBAR:
+        sz = 24;
+        break;
+      case GTK_ICON_SIZE_BUTTON:
+        sz = 20;
+        break;
+      case GTK_ICON_SIZE_DND:
+        sz = 32;
+        break;
+      case GTK_ICON_SIZE_DIALOG:
+        sz = 48;
+        break;
+      default:
+        sz = 0;
+        break;
+    }
+
+    init_containers();
+    gtk3_widget = gtk3_get_widget((widget_type < 0) ? IMAGE : widget_type);
+    (*fp_gtk_widget_set_direction)(gtk3_widget, direction);
+    GtkIconTheme *icon_theme = fp_gtk_icon_theme_get_default();
+    GdkPixbuf *result = fp_gtk_icon_theme_load_icon(icon_theme, stock_id, sz,
+                                             GTK_ICON_LOOKUP_USE_BUILTIN, NULL);
+    return result;
+}
+
+static jboolean gtk3_get_pixbuf_data(JNIEnv *env, GdkPixbuf* pixbuf,
+                              jmethodID icon_upcall_method, jobject this) {
+    if (!pixbuf) {
+        return JNI_FALSE;
+    }
+    guchar *pixbuf_data = (*fp_gdk_pixbuf_get_pixels)(pixbuf);
+    if (pixbuf_data) {
+        int row_stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf);
+        int width = (*fp_gdk_pixbuf_get_width)(pixbuf);
+        int height = (*fp_gdk_pixbuf_get_height)(pixbuf);
+        int bps = (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf);
+        int channels = (*fp_gdk_pixbuf_get_n_channels)(pixbuf);
+        gboolean alpha = (*fp_gdk_pixbuf_get_has_alpha)(pixbuf);
+
+        jbyteArray data = (*env)->NewByteArray(env, (row_stride * height));
+        JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
+
+        (*env)->SetByteArrayRegion(env, data, 0, (row_stride * height),
+                                   (jbyte *)pixbuf_data);
+        (*fp_g_object_unref)(pixbuf);
+
+        /* Call the callback method to create the image on the Java side. */
+        (*env)->CallVoidMethod(env, this, icon_upcall_method, data,
+                width, height, row_stride, bps, channels, alpha);
+        return JNI_TRUE;
+    }
+    return JNI_FALSE;
+}
+
+static jboolean gtk3_get_file_icon_data(JNIEnv *env, const char *filename,
+                 GError **error, jmethodID icon_upcall_method, jobject this) {
+    GdkPixbuf* pixbuf = fp_gdk_pixbuf_new_from_file(filename, error);
+    return gtk3_get_pixbuf_data(env, pixbuf, icon_upcall_method, this);
+}
+
+static jboolean gtk3_get_icon_data(JNIEnv *env, gint widget_type,
+                              const gchar *stock_id, GtkIconSize size,
+                              GtkTextDirection direction, const char *detail,
+                              jmethodID icon_upcall_method, jobject this) {
+    GdkPixbuf* pixbuf = gtk3_get_stock_icon(widget_type, stock_id, size,
+                                       direction, detail);
+    return gtk3_get_pixbuf_data(env, pixbuf, icon_upcall_method, this);
+}
+
+/*************************************************/
+static gint gtk3_get_xthickness(JNIEnv *env, WidgetType widget_type)
+{
+    init_containers();
+
+    gtk3_widget = gtk3_get_widget(widget_type);
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+    if (context) {
+        GtkBorder padding;
+        fp_gtk_style_context_get_padding(context, 0, &padding);
+        return padding.left + 1;
+    }
+    return 0;
+}
+
+static gint gtk3_get_ythickness(JNIEnv *env, WidgetType widget_type)
+{
+    init_containers();
+
+    gtk3_widget = gtk3_get_widget(widget_type);
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+    if (context) {
+        GtkBorder padding;
+        fp_gtk_style_context_get_padding(context, 0, &padding);
+        return padding.top + 1;
+    }
+    return 0;
+}
+
+/*************************************************/
+static guint8 recode_color(gdouble channel)
+{
+    guint16 result = (guint16)(channel * 65535);
+    if (result < 0) {
+        result = 0;
+    } else if (result > 65535) {
+        result = 65535;
+    }
+    return (guint8)( result >> 8);
+}
+
+static GtkStateFlags gtk3_get_state_flags(GtkStateType state_type) {
+    switch (state_type)
+    {
+        case GTK_STATE_NORMAL:
+            return GTK_STATE_FLAG_NORMAL;
+        case GTK_STATE_ACTIVE:
+            return GTK_STATE_FLAG_ACTIVE;
+        case GTK_STATE_PRELIGHT:
+            return GTK_STATE_FLAG_PRELIGHT;
+        case GTK_STATE_SELECTED:
+            return GTK_STATE_FLAG_SELECTED;
+        case GTK_STATE_INSENSITIVE:
+            return GTK_STATE_FLAG_INSENSITIVE;
+        case GTK_STATE_INCONSISTENT:
+            return GTK_STATE_FLAG_INCONSISTENT;
+        case GTK_STATE_FOCUSED:
+            return GTK_STATE_FLAG_FOCUSED;
+    }
+    return 0;
+}
+
+
+static void rgb_to_hls (gdouble *r, gdouble *g, gdouble *b) {
+  gdouble min;
+  gdouble max;
+  gdouble red;
+  gdouble green;
+  gdouble blue;
+  gdouble h, l, s;
+  gdouble delta;
+
+  red = *r;
+  green = *g;
+  blue = *b;
+
+  if (red > green)
+    {
+      if (red > blue)
+        max = red;
+      else
+        max = blue;
+
+      if (green < blue)
+        min = green;
+      else
+        min = blue;
+    }
+  else
+    {
+      if (green > blue)
+        max = green;
+      else
+        max = blue;
+
+      if (red < blue)
+        min = red;
+      else
+        min = blue;
+    }
+
+  l = (max + min) / 2;
+  s = 0;
+  h = 0;
+
+  if (max != min)
+    {
+      if (l <= 0.5)
+        s = (max - min) / (max + min);
+      else
+        s = (max - min) / (2 - max - min);
+
+      delta = max -min;
+      if (red == max)
+        h = (green - blue) / delta;
+      else if (green == max)
+        h = 2 + (blue - red) / delta;
+      else if (blue == max)
+        h = 4 + (red - green) / delta;
+
+      h *= 60;
+      if (h < 0.0)
+        h += 360;
+    }
+
+  *r = h;
+  *g = l;
+  *b = s;
+}
+
+static void hls_to_rgb (gdouble *h, gdouble *l, gdouble *s)
+{
+  gdouble hue;
+  gdouble lightness;
+  gdouble saturation;
+  gdouble m1, m2;
+  gdouble r, g, b;
+
+  lightness = *l;
+  saturation = *s;
+
+  if (lightness <= 0.5)
+    m2 = lightness * (1 + saturation);
+  else
+    m2 = lightness + saturation - lightness * saturation;
+  m1 = 2 * lightness - m2;
+
+  if (saturation == 0)
+    {
+      *h = lightness;
+      *l = lightness;
+      *s = lightness;
+    }
+  else
+    {
+      hue = *h + 120;
+      while (hue > 360)
+        hue -= 360;
+      while (hue < 0)
+        hue += 360;
+
+      if (hue < 60)
+        r = m1 + (m2 - m1) * hue / 60;
+      else if (hue < 180)
+        r = m2;
+      else if (hue < 240)
+        r = m1 + (m2 - m1) * (240 - hue) / 60;
+      else
+        r = m1;
+
+      hue = *h;
+      while (hue > 360)
+        hue -= 360;
+      while (hue < 0)
+        hue += 360;
+
+      if (hue < 60)
+        g = m1 + (m2 - m1) * hue / 60;
+      else if (hue < 180)
+        g = m2;
+      else if (hue < 240)
+        g = m1 + (m2 - m1) * (240 - hue) / 60;
+      else
+        g = m1;
+
+      hue = *h - 120;
+      while (hue > 360)
+        hue -= 360;
+      while (hue < 0)
+        hue += 360;
+
+      if (hue < 60)
+        b = m1 + (m2 - m1) * hue / 60;
+      else if (hue < 180)
+        b = m2;
+      else if (hue < 240)
+        b = m1 + (m2 - m1) * (240 - hue) / 60;
+      else
+        b = m1;
+
+      *h = r;
+      *l = g;
+      *s = b;
+    }
+}
+
+
+
+static void gtk3_style_shade (const GdkRGBA *a, GdkRGBA *b, gdouble k) {
+  gdouble red = a->red;
+  gdouble green = a->green;
+  gdouble blue = a->blue;
+
+  rgb_to_hls (&red, &green, &blue);
+
+  green *= k;
+  if (green > 1.0)
+    green = 1.0;
+  else if (green < 0.0)
+    green = 0.0;
+
+  blue *= k;
+  if (blue > 1.0)
+    blue = 1.0;
+  else if (blue < 0.0)
+    blue = 0.0;
+
+  hls_to_rgb (&red, &green, &blue);
+
+  b->red = red;
+  b->green = green;
+  b->blue = blue;
+}
+
+static GdkRGBA gtk3_get_color_for_flags(GtkStyleContext* context,
+                                  GtkStateFlags flags, ColorType color_type) {
+    GdkRGBA c, color;
+
+    switch (color_type)
+    {
+        case FOREGROUND:
+        case TEXT_FOREGROUND:
+            fp_gtk_style_context_get_color(context, flags, &color);
+            break;
+        case BACKGROUND:
+        case TEXT_BACKGROUND:
+            fp_gtk_style_context_get_background_color(context, flags, &color);
+            break;
+        case LIGHT:
+            c = gtk3_get_color_for_flags(context, flags, BACKGROUND);
+            gtk3_style_shade(&c, &color, LIGHTNESS_MULT);
+            break;
+        case DARK:
+            c = gtk3_get_color_for_flags(context, flags, BACKGROUND);
+            gtk3_style_shade (&c, &color, DARKNESS_MULT);
+            break;
+        case MID:
+            {
+                GdkRGBA c1 = gtk3_get_color_for_flags(context, flags, LIGHT);
+                GdkRGBA c2 = gtk3_get_color_for_flags(context, flags, DARK);
+                color.red = (c1.red + c2.red) / 2;
+                color.green = (c1.green + c2.green) / 2;
+                color.blue = (c1.blue + c2.blue) / 2;
+            }
+            break;
+        case FOCUS:
+        case BLACK:
+            color.red = 0;
+            color.green = 0;
+            color.blue = 0;
+            break;
+        case WHITE:
+            color.red = 1;
+            color.green = 1;
+            color.blue = 1;
+            break;
+    }
+    return color;
+}
+
+static gint gtk3_get_color_for_state(JNIEnv *env, WidgetType widget_type,
+                              GtkStateType state_type, ColorType color_type)
+{
+
+    gint result = 0;
+    GdkRGBA color;
+
+    GtkStateFlags flags = gtk3_get_state_flags(state_type);
+
+    init_containers();
+
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GtkStyleContext* context = fp_gtk_widget_get_style_context(gtk3_widget);
+
+    if (widget_type == TOOL_TIP) {
+        fp_gtk_style_context_add_class(context, "tooltip");
+    }
+    if (widget_type == CHECK_BOX_MENU_ITEM
+     || widget_type == RADIO_BUTTON_MENU_ITEM) {
+        flags &= GTK_STATE_FLAG_NORMAL | GTK_STATE_FLAG_SELECTED
+                  | GTK_STATE_FLAG_INSENSITIVE | GTK_STATE_FLAG_FOCUSED;
+    }
+
+    color = gtk3_get_color_for_flags(context, flags, color_type);
+
+    if (recode_color(color.alpha) == 0) {
+        color = gtk3_get_color_for_flags(
+        fp_gtk_widget_get_style_context(gtk3_get_widget(INTERNAL_FRAME)),
+        0, BACKGROUND);
+    }
+
+    result = recode_color(color.alpha) << 24 | recode_color(color.red) << 16 |
+             recode_color(color.green) << 8 | recode_color(color.blue);
+
+    return result;
+}
+
+/*************************************************/
+static jobject create_Boolean(JNIEnv *env, jboolean boolean_value);
+static jobject create_Integer(JNIEnv *env, jint int_value);
+static jobject create_Long(JNIEnv *env, jlong long_value);
+static jobject create_Float(JNIEnv *env, jfloat float_value);
+static jobject create_Double(JNIEnv *env, jdouble double_value);
+static jobject create_Character(JNIEnv *env, jchar char_value);
+static jobject create_Insets(JNIEnv *env, GtkBorder *border);
+
+static jobject gtk3_get_class_value(JNIEnv *env, WidgetType widget_type,
+                                                     const char* key)
+{
+    init_containers();
+
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    GValue value = { 0, { { 0 } } };
+
+    GParamSpec* param = (*fp_gtk_widget_class_find_style_property)(
+                                    ((GTypeInstance*)gtk3_widget)->g_class, key);
+    if ( param )
+    {
+        (*fp_g_value_init)( &value, param->value_type );
+        (*fp_gtk_widget_style_get_property)(gtk3_widget, key, &value);
+
+        if ((*fp_g_type_is_a)( param->value_type, G_TYPE_BOOLEAN ))
+        {
+            gboolean val = (*fp_g_value_get_boolean)(&value);
+            return create_Boolean(env, (jboolean)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_CHAR ))
+        {
+            gchar val = (*fp_g_value_get_char)(&value);
+            return create_Character(env, (jchar)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_UCHAR ))
+        {
+            guchar val = (*fp_g_value_get_uchar)(&value);
+            return create_Character(env, (jchar)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_INT ))
+        {
+            gint val = (*fp_g_value_get_int)(&value);
+            return create_Integer(env, (jint)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_UINT ))
+        {
+            guint val = (*fp_g_value_get_uint)(&value);
+                    return create_Integer(env, (jint)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_LONG ))
+        {
+            glong val = (*fp_g_value_get_long)(&value);
+            return create_Long(env, (jlong)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_ULONG ))
+        {
+            gulong val = (*fp_g_value_get_ulong)(&value);
+            return create_Long(env, (jlong)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_INT64 ))
+        {
+            gint64 val = (*fp_g_value_get_int64)(&value);
+            return create_Long(env, (jlong)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_UINT64 ))
+        {
+            guint64 val = (*fp_g_value_get_uint64)(&value);
+            return create_Long(env, (jlong)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_FLOAT ))
+        {
+            gfloat val = (*fp_g_value_get_float)(&value);
+            return create_Float(env, (jfloat)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_DOUBLE ))
+        {
+            gdouble val = (*fp_g_value_get_double)(&value);
+            return create_Double(env, (jdouble)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_ENUM ))
+        {
+            gint val = (*fp_g_value_get_enum)(&value);
+            return create_Integer(env, (jint)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_FLAGS ))
+        {
+            guint val = (*fp_g_value_get_flags)(&value);
+            return create_Integer(env, (jint)val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, G_TYPE_STRING ))
+        {
+            const gchar* val = (*fp_g_value_get_string)(&value);
+
+            /* We suppose that all values come in C locale and
+             * utf-8 representation of a string is the same as
+             * the string itself. If this isn't so we should
+             * use g_convert.
+             */
+            return (*env)->NewStringUTF(env, val);
+        }
+        else if ((*fp_g_type_is_a)( param->value_type, GTK_TYPE_BORDER ))
+        {
+            GtkBorder *border = (GtkBorder*)(*fp_g_value_get_boxed)(&value);
+            return border ? create_Insets(env, border) : NULL;
+        }
+
+        /*      TODO: Other types are not supported yet.*/
+/*        else if((*fp_g_type_is_a)( param->value_type, G_TYPE_PARAM ))
+        {
+            GParamSpec* val = (*fp_g_value_get_param)(&value);
+            printf( "Param: %p\n", val );
+        }
+        else if((*fp_g_type_is_a)( param->value_type, G_TYPE_BOXED ))
+        {
+            gpointer* val = (*fp_g_value_get_boxed)(&value);
+            printf( "Boxed: %p\n", val );
+        }
+        else if((*fp_g_type_is_a)( param->value_type, G_TYPE_POINTER ))
+        {
+            gpointer* val = (*fp_g_value_get_pointer)(&value);
+            printf( "Pointer: %p\n", val );
+        }
+        else if((*fp_g_type_is_a)( param->value_type, G_TYPE_OBJECT ))
+        {
+            GObject* val = (GObject*)(*fp_g_value_get_object)(&value);
+            printf( "Object: %p\n", val );
+        }*/
+    }
+
+    return NULL;
+}
+
+static void gtk3_set_range_value(WidgetType widget_type, jdouble value,
+                          jdouble min, jdouble max, jdouble visible)
+{
+    GtkAdjustment *adj;
+
+    gtk3_widget = gtk3_get_widget(widget_type);
+
+    adj = (*fp_gtk_range_get_adjustment)((GtkRange *)gtk3_widget);
+
+    fp_gtk_adjustment_set_value(adj, value);
+    fp_gtk_adjustment_set_lower(adj, min);
+    fp_gtk_adjustment_set_upper(adj, max);
+    fp_gtk_adjustment_set_page_size(adj, visible);
+}
+
+/*************************************************/
+static jobject create_Object(JNIEnv *env, jmethodID *cid,
+                             const char* class_name,
+                             const char* signature,
+                             jvalue* value)
+{
+    jclass  class;
+    jobject result;
+
+    class = (*env)->FindClass(env, class_name);
+    if (class == NULL)
+        return NULL; /* can't find/load the class, exception thrown */
+
+    if (*cid == NULL)
+    {
+        *cid = (*env)->GetMethodID(env, class, "<init>", signature);
+        if (*cid == NULL)
+        {
+            (*env)->DeleteLocalRef(env, class);
+            return NULL; /* can't find/get the method, exception thrown */
+        }
+    }
+
+    result = (*env)->NewObjectA(env, class, *cid, value);
+
+    (*env)->DeleteLocalRef(env, class);
+    return result;
+}
+
+jobject create_Boolean(JNIEnv *env, jboolean boolean_value)
+{
+    static jmethodID cid = NULL;
+    jvalue value;
+
+    value.z = boolean_value;
+
+    return create_Object(env, &cid, "java/lang/Boolean", "(Z)V", &value);
+}
+
+jobject create_Integer(JNIEnv *env, jint int_value)
+{
+    static jmethodID cid = NULL;
+    jvalue value;
+
+    value.i = int_value;
+
+    return create_Object(env, &cid, "java/lang/Integer", "(I)V", &value);
+}
+
+jobject create_Long(JNIEnv *env, jlong long_value)
+{
+    static jmethodID cid = NULL;
+    jvalue value;
+
+    value.j = long_value;
+
+    return create_Object(env, &cid, "java/lang/Long", "(J)V", &value);
+}
+
+jobject create_Float(JNIEnv *env, jfloat float_value)
+{
+    static jmethodID cid = NULL;
+    jvalue value;
+
+    value.f = float_value;
+
+    return create_Object(env, &cid, "java/lang/Float", "(F)V", &value);
+}
+
+jobject create_Double(JNIEnv *env, jdouble double_value)
+{
+    static jmethodID cid = NULL;
+    jvalue value;
+
+    value.d = double_value;
+
+    return create_Object(env, &cid, "java/lang/Double", "(D)V", &value);
+}
+
+jobject create_Character(JNIEnv *env, jchar char_value)
+{
+    static jmethodID cid = NULL;
+    jvalue value;
+
+    value.c = char_value;
+
+    return create_Object(env, &cid, "java/lang/Character", "(C)V", &value);
+}
+
+
+jobject create_Insets(JNIEnv *env, GtkBorder *border)
+{
+    static jmethodID cid = NULL;
+    jvalue values[4];
+
+    values[0].i = border->top;
+    values[1].i = border->left;
+    values[2].i = border->bottom;
+    values[3].i = border->right;
+
+    return create_Object(env, &cid, "java/awt/Insets", "(IIII)V", values);
+}
+
+/*********************************************/
+static jstring gtk3_get_pango_font_name(JNIEnv *env, WidgetType widget_type)
+{
+    init_containers();
+
+    gtk3_widget = gtk3_get_widget(widget_type);
+    jstring  result = NULL;
+    GtkStyleContext* context = fp_gtk_widget_get_style_context (gtk3_widget);
+    if (context)
+    {
+        PangoFontDescription* fd = fp_gtk_style_context_get_font(context, 0);
+        gchar* val = (*fp_pango_font_description_to_string)(fd);
+        result = (*env)->NewStringUTF(env, val);
+        (*fp_g_free)( val );
+    }
+
+    return result;
+}
+
+/***********************************************/
+static jobject get_string_property(JNIEnv *env, GtkSettings* settings,
+                                                             const gchar* key) {
+    jobject result = NULL;
+    gchar*  strval = NULL;
+
+    (*fp_g_object_get)(settings, key, &strval, NULL);
+    result = (*env)->NewStringUTF(env, strval);
+    (*fp_g_free)(strval);
+
+    return result;
+}
+
+static jobject get_integer_property(JNIEnv *env, GtkSettings* settings,
+                                                             const gchar* key) {
+    gint intval = NULL;
+    (*fp_g_object_get)(settings, key, &intval, NULL);
+    return create_Integer(env, intval);
+}
+
+static jobject get_boolean_property(JNIEnv *env, GtkSettings* settings,
+                                                             const gchar* key) {
+    gint intval = NULL;
+    (*fp_g_object_get)(settings, key, &intval, NULL);
+    return create_Boolean(env, intval);
+}
+
+static jobject gtk3_get_setting(JNIEnv *env, Setting property)
+{
+    GtkSettings* settings = (*fp_gtk_settings_get_default)();
+
+    switch (property)
+    {
+        case GTK_FONT_NAME:
+            return get_string_property(env, settings, "gtk-font-name");
+        case GTK_ICON_SIZES:
+            return get_string_property(env, settings, "gtk-icon-sizes");
+        case GTK_CURSOR_BLINK:
+            return get_boolean_property(env, settings, "gtk-cursor-blink");
+        case GTK_CURSOR_BLINK_TIME:
+            return get_integer_property(env, settings, "gtk-cursor-blink-time");
+    }
+
+    return NULL;
+}
+
+static void transform_detail_string (const gchar *detail,
+                                                     GtkStyleContext *context) {
+  if (!detail)
+    return;
+
+  if (strcmp (detail, "arrow") == 0)
+    fp_gtk_style_context_add_class (context, "arrow");
+  else if (strcmp (detail, "button") == 0)
+    fp_gtk_style_context_add_class (context, "button");
+  else if (strcmp (detail, "buttondefault") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "button");
+      fp_gtk_style_context_add_class (context, "default");
+    }
+  else if (strcmp (detail, "calendar") == 0)
+    fp_gtk_style_context_add_class (context, "calendar");
+  else if (strcmp (detail, "cellcheck") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "cell");
+      fp_gtk_style_context_add_class (context, "check");
+    }
+  else if (strcmp (detail, "cellradio") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "cell");
+      fp_gtk_style_context_add_class (context, "radio");
+    }
+  else if (strcmp (detail, "checkbutton") == 0)
+    fp_gtk_style_context_add_class (context, "check");
+  else if (strcmp (detail, "check") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "check");
+      fp_gtk_style_context_add_class (context, "menu");
+    }
+  else if (strcmp (detail, "radiobutton") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "radio");
+    }
+  else if (strcmp (detail, "option") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "radio");
+      fp_gtk_style_context_add_class (context, "menu");
+    }
+  else if (strcmp (detail, "entry") == 0 ||
+           strcmp (detail, "entry_bg") == 0)
+    fp_gtk_style_context_add_class (context, "entry");
+  else if (strcmp (detail, "expander") == 0)
+    fp_gtk_style_context_add_class (context, "expander");
+  else if (strcmp (detail, "tooltip") == 0)
+    fp_gtk_style_context_add_class (context, "tooltip");
+  else if (strcmp (detail, "frame") == 0)
+    fp_gtk_style_context_add_class (context, "frame");
+  else if (strcmp (detail, "scrolled_window") == 0)
+    fp_gtk_style_context_add_class (context, "scrolled-window");
+  else if (strcmp (detail, "viewport") == 0 ||
+           strcmp (detail, "viewportbin") == 0)
+    fp_gtk_style_context_add_class (context, "viewport");
+  else if (strncmp (detail, "trough", 6) == 0)
+    fp_gtk_style_context_add_class (context, "trough");
+  else if (strcmp (detail, "spinbutton") == 0)
+    fp_gtk_style_context_add_class (context, "spinbutton");
+  else if (strcmp (detail, "spinbutton_up") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "spinbutton");
+      fp_gtk_style_context_add_class (context, "button");
+      fp_gtk_style_context_set_junction_sides (context, GTK_JUNCTION_BOTTOM);
+    }
+  else if (strcmp (detail, "spinbutton_down") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "spinbutton");
+      fp_gtk_style_context_add_class (context, "button");
+      fp_gtk_style_context_set_junction_sides (context, GTK_JUNCTION_TOP);
+    }
+  else if ((detail[0] == 'h' || detail[0] == 'v') &&
+           strncmp (&detail[1], "scrollbar_", 9) == 0)
+    {
+      fp_gtk_style_context_add_class (context, "button");
+      fp_gtk_style_context_add_class (context, "scrollbar");
+    }
+  else if (strcmp (detail, "slider") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "slider");
+      fp_gtk_style_context_add_class (context, "scrollbar");
+    }
+  else if (strcmp (detail, "vscale") == 0 ||
+           strcmp (detail, "hscale") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "slider");
+      fp_gtk_style_context_add_class (context, "scale");
+    }
+  else if (strcmp (detail, "menuitem") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "menuitem");
+      fp_gtk_style_context_add_class (context, "menu");
+    }
+  else if (strcmp (detail, "menu") == 0)
+    {
+      fp_gtk_style_context_add_class (context, "popup");
+      fp_gtk_style_context_add_class (context, "menu");
+    }
+  else if (strcmp (detail, "accellabel") == 0)
+    fp_gtk_style_context_add_class (context, "accelerator");
+  else if (strcmp (detail, "menubar") == 0)
+    fp_gtk_style_context_add_class (context, "menubar");
+  else if (strcmp (detail, "base") == 0)
+    fp_gtk_style_context_add_class (context, "background");
+  else if (strcmp (detail, "bar") == 0 ||
+           strcmp (detail, "progressbar") == 0)
+    fp_gtk_style_context_add_class (context, "progressbar");
+  else if (strcmp (detail, "toolbar") == 0)
+    fp_gtk_style_context_add_class (context, "toolbar");
+  else if (strcmp (detail, "handlebox_bin") == 0)
+    fp_gtk_style_context_add_class (context, "dock");
+  else if (strcmp (detail, "notebook") == 0)
+    fp_gtk_style_context_add_class (context, "notebook");
+  else if (strcmp (detail, "tab") == 0)
+  {
+      fp_gtk_style_context_add_class (context, "notebook");
+      fp_gtk_style_context_add_region (context, "tab", 0);
+  } else if (strcmp (detail, "paned") == 0) {
+      fp_gtk_style_context_add_class (context, "pane-separator");
+  }
+  else if (fp_g_str_has_prefix (detail, "cell"))
+    {
+      GtkRegionFlags row, col;
+      gboolean ruled = FALSE;
+      gchar** tokens;
+      guint i;
+
+      tokens = fp_g_strsplit (detail, "_", -1);
+      row = col = 0;
+      i = 0;
+
+      while (tokens[i])
+        {
+          if (strcmp (tokens[i], "even") == 0)
+            row |= GTK_REGION_EVEN;
+          else if (strcmp (tokens[i], "odd") == 0)
+            row |= GTK_REGION_ODD;
+          else if (strcmp (tokens[i], "start") == 0)
+            col |= GTK_REGION_FIRST;
+          else if (strcmp (tokens[i], "end") == 0)
+            col |= GTK_REGION_LAST;
+          else if (strcmp (tokens[i], "ruled") == 0)
+            ruled = TRUE;
+          else if (strcmp (tokens[i], "sorted") == 0)
+            col |= GTK_REGION_SORTED;
+
+          i++;
+        }
+
+      if (!ruled)
+        row &= ~(GTK_REGION_EVEN | GTK_REGION_ODD);
+
+      fp_gtk_style_context_add_class (context, "cell");
+      fp_gtk_style_context_add_region (context, "row", row);
+      fp_gtk_style_context_add_region (context, "column", col);
+
+      fp_g_strfreev (tokens);
+    }
+}
+
+static gboolean gtk3_get_drawable_data(JNIEnv *env, jintArray pixelArray,
+     int x, jint y, jint width, jint height, jint jwidth, int dx, int dy,
+                                                                   jint scale) {
+    GdkPixbuf *pixbuf;
+    jint *ary;
+
+    GdkWindow *root = (*fp_gdk_get_default_root_window)();
+    pixbuf = (*fp_gdk_pixbuf_get_from_drawable)(root, x, y, width, height);
+    if (pixbuf && scale != 1) {
+        GdkPixbuf *scaledPixbuf;
+        x /= scale;
+        y /= scale;
+        width /= scale;
+        height /= scale;
+        dx /= scale;
+        dy /= scale;
+        scaledPixbuf = (*fp_gdk_pixbuf_scale_simple)(pixbuf, width, height,
+                                                     GDK_INTERP_BILINEAR);
+        (*fp_g_object_unref)(pixbuf);
+        pixbuf = scaledPixbuf;
+    }
+
+    if (pixbuf) {
+        int nchan = (*fp_gdk_pixbuf_get_n_channels)(pixbuf);
+        int stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf);
+        if ((*fp_gdk_pixbuf_get_width)(pixbuf) == width
+                && (*fp_gdk_pixbuf_get_height)(pixbuf) == height
+                && (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf) == 8
+                && (*fp_gdk_pixbuf_get_colorspace)(pixbuf) == GDK_COLORSPACE_RGB
+                && nchan >= 3
+                ) {
+            guchar *p, *pix = (*fp_gdk_pixbuf_get_pixels)(pixbuf);
+            ary = (*env)->GetPrimitiveArrayCritical(env, pixelArray, NULL);
+            if (ary) {
+                jint _x, _y;
+                int index;
+                for (_y = 0; _y < height; _y++) {
+                    for (_x = 0; _x < width; _x++) {
+                        p = pix + _y * stride + _x * nchan;
+
+                        index = (_y + dy) * jwidth + (_x + dx);
+                        ary[index] = 0xff000000
+                                        | (p[0] << 16)
+                                        | (p[1] << 8)
+                                        | (p[2]);
+
+                    }
+                }
+                (*env)->ReleasePrimitiveArrayCritical(env, pixelArray, ary, 0);
+            }
+        }
+        (*fp_g_object_unref)(pixbuf);
+    }
+    return JNI_FALSE;
+}
+
+static GdkWindow* gtk3_get_window(void *widget) {
+    return fp_gtk_widget_get_window((GtkWidget*)widget);
+}
+
+static void gtk3_init(GtkApi* gtk) {
+    gtk->version = GTK_3;
+
+    gtk->show_uri_load = &gtk3_show_uri_load;
+    gtk->unload = &gtk3_unload;
+    gtk->flush_event_loop = &flush_gtk_event_loop;
+    gtk->gtk_check_version = fp_gtk_check_version;
+    gtk->get_setting = &gtk3_get_setting;
+
+    gtk->paint_arrow = &gtk3_paint_arrow;
+    gtk->paint_box = &gtk3_paint_box;
+    gtk->paint_box_gap = &gtk3_paint_box_gap;
+    gtk->paint_expander = &gtk3_paint_expander;
+    gtk->paint_extension = &gtk3_paint_extension;
+    gtk->paint_flat_box = &gtk3_paint_flat_box;
+    gtk->paint_focus = &gtk3_paint_focus;
+    gtk->paint_handle = &gtk3_paint_handle;
+    gtk->paint_hline = &gtk3_paint_hline;
+    gtk->paint_vline = &gtk3_paint_vline;
+    gtk->paint_option = &gtk3_paint_option;
+    gtk->paint_shadow = &gtk3_paint_shadow;
+    gtk->paint_slider = &gtk3_paint_slider;
+    gtk->paint_background = &gtk3_paint_background;
+    gtk->paint_check = &gtk3_paint_check;
+    gtk->set_range_value = &gtk3_set_range_value;
+
+    gtk->init_painting = &gtk3_init_painting;
+    gtk->copy_image = &gtk3_copy_image;
+
+    gtk->get_xthickness = &gtk3_get_xthickness;
+    gtk->get_ythickness = &gtk3_get_ythickness;
+    gtk->get_color_for_state = &gtk3_get_color_for_state;
+    gtk->get_class_value = &gtk3_get_class_value;
+
+    gtk->get_pango_font_name = &gtk3_get_pango_font_name;
+    gtk->get_icon_data = &gtk3_get_icon_data;
+    gtk->get_file_icon_data = &gtk3_get_file_icon_data;
+    gtk->gdk_threads_enter = fp_gdk_threads_enter;
+    gtk->gdk_threads_leave = fp_gdk_threads_leave;
+    gtk->gtk_show_uri = fp_gtk_show_uri;
+    gtk->get_drawable_data = &gtk3_get_drawable_data;
+    gtk->g_free = fp_g_free;
+
+    gtk->gtk_file_chooser_get_filename = fp_gtk_file_chooser_get_filename;
+    gtk->gtk_widget_hide = fp_gtk_widget_hide;
+    gtk->gtk_main_quit = fp_gtk_main_quit;
+    gtk->gtk_file_chooser_dialog_new = fp_gtk_file_chooser_dialog_new;
+    gtk->gtk_file_chooser_set_current_folder =
+                          fp_gtk_file_chooser_set_current_folder;
+    gtk->gtk_file_chooser_set_filename = fp_gtk_file_chooser_set_filename;
+    gtk->gtk_file_chooser_set_current_name =
+                          fp_gtk_file_chooser_set_current_name;
+    gtk->gtk_file_filter_add_custom = fp_gtk_file_filter_add_custom;
+    gtk->gtk_file_chooser_set_filter = fp_gtk_file_chooser_set_filter;
+    gtk->gtk_file_chooser_get_type = fp_gtk_file_chooser_get_type;
+    gtk->gtk_file_filter_new = fp_gtk_file_filter_new;
+    gtk->gtk_file_chooser_set_do_overwrite_confirmation =
+                          fp_gtk_file_chooser_set_do_overwrite_confirmation;
+    gtk->gtk_file_chooser_set_select_multiple =
+                          fp_gtk_file_chooser_set_select_multiple;
+    gtk->gtk_file_chooser_get_current_folder =
+                          fp_gtk_file_chooser_get_current_folder;
+    gtk->gtk_file_chooser_get_filenames = fp_gtk_file_chooser_get_filenames;
+    gtk->gtk_g_slist_length = fp_gtk_g_slist_length;
+    gtk->g_signal_connect_data = fp_g_signal_connect_data;
+    gtk->gtk_widget_show = fp_gtk_widget_show;
+    gtk->gtk_main = fp_gtk_main;
+    gtk->gtk_main_level = fp_gtk_main_level;
+    gtk->g_path_get_dirname = fp_g_path_get_dirname;
+    gtk->gdk_x11_drawable_get_xid = fp_gdk_x11_drawable_get_xid;
+    gtk->gtk_widget_destroy = fp_gtk_widget_destroy;
+    gtk->gtk_window_present = fp_gtk_window_present;
+    gtk->gtk_window_move = fp_gtk_window_move;
+    gtk->gtk_window_resize = fp_gtk_window_resize;
+    gtk->get_window = &gtk3_get_window;
+
+    gtk->g_object_unref = fp_g_object_unref;
+    gtk->g_list_append = fp_g_list_append;
+    gtk->g_list_free = fp_g_list_free;
+    gtk->g_list_free_full = fp_g_list_free_full;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/gtk3_interface.h	Mon Apr 25 15:37:31 2016 +0300
@@ -0,0 +1,577 @@
+/*
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+#ifndef _GTK3_INTERFACE_H
+#define _GTK3_INTERFACE_H
+
+#include <stdlib.h>
+#include <jni.h>
+#include <X11/X.h>
+#include "gtk_interface.h"
+
+#define LIGHTNESS_MULT  1.3
+#define DARKNESS_MULT   0.7
+
+#define G_PI    3.1415926535897932384626433832795028841971693993751
+
+typedef enum
+{
+  GTK_STATE_FLAG_NORMAL       = 0,
+  GTK_STATE_FLAG_ACTIVE       = 1 << 0,
+  GTK_STATE_FLAG_PRELIGHT     = 1 << 1,
+  GTK_STATE_FLAG_SELECTED     = 1 << 2,
+  GTK_STATE_FLAG_INSENSITIVE  = 1 << 3,
+  GTK_STATE_FLAG_INCONSISTENT = 1 << 4,
+  GTK_STATE_FLAG_FOCUSED      = 1 << 5,
+  GTK_STATE_FLAG_BACKDROP     = 1 << 6,
+  GTK_STATE_FLAG_DIR_LTR      = 1 << 7,
+  GTK_STATE_FLAG_DIR_RTL      = 1 << 8,
+  GTK_STATE_FLAG_LINK         = 1 << 9,
+  GTK_STATE_FLAG_VISITED      = 1 << 10,
+  GTK_STATE_FLAG_CHECKED      = 1 << 11
+} GtkStateFlags;
+
+typedef enum {
+  GTK_JUNCTION_NONE = 0,
+  GTK_JUNCTION_CORNER_TOPLEFT = 1 << 0,
+  GTK_JUNCTION_CORNER_TOPRIGHT = 1 << 1,
+  GTK_JUNCTION_CORNER_BOTTOMLEFT = 1 << 2,
+  GTK_JUNCTION_CORNER_BOTTOMRIGHT = 1 << 3,
+  GTK_JUNCTION_TOP =
+                   (GTK_JUNCTION_CORNER_TOPLEFT | GTK_JUNCTION_CORNER_TOPRIGHT),
+  GTK_JUNCTION_BOTTOM =
+             (GTK_JUNCTION_CORNER_BOTTOMLEFT | GTK_JUNCTION_CORNER_BOTTOMRIGHT),
+  GTK_JUNCTION_LEFT =
+                 (GTK_JUNCTION_CORNER_TOPLEFT | GTK_JUNCTION_CORNER_BOTTOMLEFT),
+  GTK_JUNCTION_RIGHT =
+               (GTK_JUNCTION_CORNER_TOPRIGHT | GTK_JUNCTION_CORNER_BOTTOMRIGHT)
+} GtkJunctionSides;
+
+typedef enum {
+  GTK_REGION_EVEN    = 1 << 0,
+  GTK_REGION_ODD     = 1 << 1,
+  GTK_REGION_FIRST   = 1 << 2,
+  GTK_REGION_LAST    = 1 << 3,
+  GTK_REGION_ONLY    = 1 << 4,
+  GTK_REGION_SORTED  = 1 << 5
+} GtkRegionFlags;
+
+typedef enum
+{
+  GTK_WINDOW_TOPLEVEL,
+  GTK_WINDOW_POPUP
+} GtkWindowType;
+
+typedef enum
+{
+  G_PARAM_READABLE            = 1 << 0,
+  G_PARAM_WRITABLE            = 1 << 1,
+  G_PARAM_CONSTRUCT           = 1 << 2,
+  G_PARAM_CONSTRUCT_ONLY      = 1 << 3,
+  G_PARAM_LAX_VALIDATION      = 1 << 4,
+  G_PARAM_STATIC_NAME         = 1 << 5
+} GParamFlags;
+
+typedef enum
+{
+  GTK_ICON_LOOKUP_NO_SVG           = 1 << 0,
+  GTK_ICON_LOOKUP_FORCE_SVG        = 1 << 1,
+  GTK_ICON_LOOKUP_USE_BUILTIN      = 1 << 2,
+  GTK_ICON_LOOKUP_GENERIC_FALLBACK = 1 << 3,
+  GTK_ICON_LOOKUP_FORCE_SIZE       = 1 << 4
+} GtkIconLookupFlags;
+
+typedef enum
+{
+  GTK_UPDATE_CONTINUOUS,
+  GTK_UPDATE_DISCONTINUOUS,
+  GTK_UPDATE_DELAYED
+} GtkUpdateType;
+
+typedef enum
+{
+  GTK_PROGRESS_CONTINUOUS,
+  GTK_PROGRESS_DISCRETE
+} GtkProgressBarStyle;
+
+typedef enum
+{
+  GTK_PROGRESS_LEFT_TO_RIGHT,
+  GTK_PROGRESS_RIGHT_TO_LEFT,
+  GTK_PROGRESS_BOTTOM_TO_TOP,
+  GTK_PROGRESS_TOP_TO_BOTTOM
+} GtkProgressBarOrientation;
+
+typedef enum {
+    CAIRO_FORMAT_INVALID   = -1,
+    CAIRO_FORMAT_ARGB32    = 0,
+    CAIRO_FORMAT_RGB24     = 1,
+    CAIRO_FORMAT_A8        = 2,
+    CAIRO_FORMAT_A1        = 3,
+    CAIRO_FORMAT_RGB16_565 = 4
+} cairo_format_t;
+
+/* We define all structure pointers to be void* */
+typedef void GdkPixbuf;
+typedef void GMainContext;
+typedef void GVfs;
+
+typedef void GdkColormap;
+typedef void GdkDrawable;
+typedef void GdkGC;
+typedef void GdkPixmap;
+typedef void GtkStyleContext;
+typedef void GtkFixed;
+typedef void GtkMenuItem;
+typedef void GtkMenuShell;
+typedef void GtkWidgetClass;
+typedef void PangoFontDescription;
+typedef void GtkSettings;
+typedef void GtkStyleProvider;
+typedef void cairo_pattern_t;
+typedef void cairo_t;
+typedef void cairo_surface_t;
+typedef void GtkScrolledWindow;
+typedef void GtkIconTheme;
+typedef void GtkWidget;
+typedef void GtkMisc;
+typedef void GtkContainer;
+typedef void GtkBin;
+typedef void GtkAdjustment;
+typedef void GtkRange;
+typedef void GtkProgressBar;
+typedef void GtkProgress;
+
+/* Some real structures */
+typedef struct
+{
+  guint32 pixel;
+  guint16 red;
+  guint16 green;
+  guint16 blue;
+} GdkColor;
+
+typedef struct
+{
+  gdouble red;
+  gdouble green;
+  gdouble blue;
+  gdouble alpha;
+} GdkRGBA;
+
+typedef struct {
+  gint      fd;
+  gushort   events;
+  gushort   revents;
+} GPollFD;
+
+typedef struct {
+  gint x;
+  gint y;
+  gint width;
+  gint height;
+} GdkRectangle;
+
+typedef struct {
+    int x, y;
+    int width, height;
+} GtkAllocation;
+
+typedef struct {
+  gint width;
+  gint height;
+} GtkRequisition;
+
+typedef struct {
+  GtkWidgetClass *g_class;
+} GTypeInstance;
+
+typedef struct {
+  gint16 left;
+  gint16 right;
+  gint16 top;
+  gint16 bottom;
+} GtkBorder;
+
+typedef struct
+{
+  GType         g_type;
+  union {
+    gint        v_int;
+    guint       v_uint;
+    glong       v_long;
+    gulong      v_ulong;
+    gint64      v_int64;
+    guint64     v_uint64;
+    gfloat      v_float;
+    gdouble     v_double;
+    gpointer    v_pointer;
+  } data[2];
+} GValue;
+
+typedef struct {
+  GTypeInstance  g_type_instance;
+  const gchar   *name;
+  GParamFlags    flags;
+  GType    value_type;
+  GType    owner_type;
+} GParamSpec;
+
+
+static gchar* (*fp_glib_check_version)(guint required_major,
+                           guint required_minor, guint required_micro);
+
+/**
+ * Returns :
+ * NULL if the GTK+ library is compatible with the given version, or a string
+ * describing the version mismatch.
+ */
+static gchar* (*fp_gtk_check_version)(guint required_major, guint
+                           required_minor, guint required_micro);
+
+static void (*fp_g_free)(gpointer mem);
+static void (*fp_g_object_unref)(gpointer object);
+static GdkWindow *(*fp_gdk_get_default_root_window) (void);
+
+static int (*fp_gdk_pixbuf_get_bits_per_sample)(const GdkPixbuf *pixbuf);
+static guchar *(*fp_gdk_pixbuf_get_pixels)(const GdkPixbuf *pixbuf);
+static gboolean (*fp_gdk_pixbuf_get_has_alpha)(const GdkPixbuf *pixbuf);
+static int (*fp_gdk_pixbuf_get_height)(const GdkPixbuf *pixbuf);
+static int (*fp_gdk_pixbuf_get_n_channels)(const GdkPixbuf *pixbuf);
+static int (*fp_gdk_pixbuf_get_rowstride)(const GdkPixbuf *pixbuf);
+static int (*fp_gdk_pixbuf_get_width)(const GdkPixbuf *pixbuf);
+static GdkPixbuf *(*fp_gdk_pixbuf_new_from_file)(const char *filename,
+                                                              GError **error);
+static GdkColorspace (*fp_gdk_pixbuf_get_colorspace)(const GdkPixbuf *pixbuf);
+
+static GdkPixbuf *(*fp_gdk_pixbuf_get_from_drawable)(GdkWindow *window,
+        int src_x, int src_y, int width, int height);
+static GdkPixbuf *(*fp_gdk_pixbuf_scale_simple)(GdkPixbuf *src,
+        int dest_width, int dest_heigh, GdkInterpType interp_type);
+
+
+static void (*fp_gtk_widget_destroy)(void *widget);
+static void (*fp_gtk_window_present)(GtkWindow *window);
+static void (*fp_gtk_window_move)(GtkWindow *window, gint x, gint y);
+static void (*fp_gtk_window_resize)(GtkWindow *window, gint width, gint height);
+
+/**
+ * Function Pointers for GtkFileChooser
+ */
+static gchar* (*fp_gtk_file_chooser_get_filename)(GtkFileChooser *chooser);
+static void (*fp_gtk_widget_hide)(void *widget);
+static void (*fp_gtk_main_quit)(void);
+static void* (*fp_gtk_file_chooser_dialog_new)(const gchar *title,
+    GtkWindow *parent, GtkFileChooserAction action,
+    const gchar *first_button_text, ...);
+static gboolean (*fp_gtk_file_chooser_set_current_folder)
+                              (GtkFileChooser *chooser, const gchar *filename);
+static gboolean (*fp_gtk_file_chooser_set_filename)(GtkFileChooser *chooser,
+    const char *filename);
+static void (*fp_gtk_file_chooser_set_current_name)(GtkFileChooser *chooser,
+    const gchar *name);
+static void (*fp_gtk_file_filter_add_custom)(GtkFileFilter *filter,
+    GtkFileFilterFlags needed, GtkFileFilterFunc func, gpointer data,
+    GDestroyNotify notify);
+static void (*fp_gtk_file_chooser_set_filter)(GtkFileChooser *chooser,
+    GtkFileFilter *filter);
+static GType (*fp_gtk_file_chooser_get_type)(void);
+static GtkFileFilter* (*fp_gtk_file_filter_new)(void);
+static void (*fp_gtk_file_chooser_set_do_overwrite_confirmation)(
+    GtkFileChooser *chooser, gboolean do_overwrite_confirmation);
+static void (*fp_gtk_file_chooser_set_select_multiple)(
+    GtkFileChooser *chooser, gboolean select_multiple);
+static gchar* (*fp_gtk_file_chooser_get_current_folder)
+                                                      (GtkFileChooser *chooser);
+static GSList* (*fp_gtk_file_chooser_get_filenames)(GtkFileChooser *chooser);
+static guint (*fp_gtk_g_slist_length)(GSList *list);
+static gulong (*fp_g_signal_connect_data)(gpointer instance,
+    const gchar *detailed_signal, GCallback c_handler, gpointer data,
+    GClosureNotify destroy_data, GConnectFlags connect_flags);
+static void (*fp_gtk_widget_show)(void *widget);
+static void (*fp_gtk_main)(void);
+static guint (*fp_gtk_main_level)(void);
+static gchar* (*fp_g_path_get_dirname) (const gchar *file_name);
+static XID (*fp_gdk_x11_drawable_get_xid) (GdkWindow *drawable);
+
+static GList* (*fp_g_list_append) (GList *list, gpointer data);
+static void (*fp_g_list_free) (GList *list);
+static void (*fp_g_list_free_full) (GList *list, GDestroyNotify free_func);
+
+static void (*fp_gdk_threads_enter)(void);
+static void (*fp_gdk_threads_leave)(void);
+
+static gboolean (*fp_gtk_show_uri)(GdkScreen *screen, const gchar *uri,
+    guint32 timestamp, GError **error);
+
+// Implementation functions prototypes
+static void gtk3_init(GtkApi* gtk);
+static GValue*      (*fp_g_value_init)(GValue *value, GType g_type);
+static gboolean     (*fp_g_type_is_a)(GType type, GType is_a_type);
+static gboolean     (*fp_g_value_get_boolean)(const GValue *value);
+static gchar        (*fp_g_value_get_char)(const GValue *value);
+static guchar       (*fp_g_value_get_uchar)(const GValue *value);
+static gint         (*fp_g_value_get_int)(const GValue *value);
+static guint        (*fp_g_value_get_uint)(const GValue *value);
+static glong        (*fp_g_value_get_long)(const GValue *value);
+static gulong       (*fp_g_value_get_ulong)(const GValue *value);
+static gint64       (*fp_g_value_get_int64)(const GValue *value);
+static guint64      (*fp_g_value_get_uint64)(const GValue *value);
+static gfloat       (*fp_g_value_get_float)(const GValue *value);
+static gdouble      (*fp_g_value_get_double)(const GValue *value);
+static const gchar* (*fp_g_value_get_string)(const GValue *value);
+static gint         (*fp_g_value_get_enum)(const GValue *value);
+static guint        (*fp_g_value_get_flags)(const GValue *value);
+static GParamSpec*  (*fp_g_value_get_param)(const GValue *value);
+static gpointer*    (*fp_g_value_get_boxed)(const GValue *value);
+static gpointer*    (*fp_g_value_get_pointer)(const GValue *value);
+static void         (*fp_g_object_get)(gpointer object,
+                                       const gchar* fpn, ...);
+static void         (*fp_g_object_set)(gpointer object,
+                                       const gchar *first_property_name,
+                                       ...);
+
+static gboolean (*fp_g_main_context_iteration)(GMainContext *context);
+static gboolean (*fp_g_str_has_prefix)(const gchar *str, const gchar *prefix);
+static gchar** (*fp_g_strsplit)(const gchar *string, const gchar *delimiter,
+           gint max_tokens);
+static void (*fp_g_strfreev)(gchar **str_array);
+
+
+static cairo_surface_t* (*fp_cairo_image_surface_create)(cairo_format_t format,
+                               int width, int height);
+static void (*fp_cairo_surface_destroy)(cairo_surface_t *surface);
+static cairo_t* (*fp_cairo_create)(cairo_surface_t *target);
+static void (*fp_cairo_destroy)(cairo_t *cr);
+static void (*fp_cairo_fill)(cairo_t *cr);
+static void (*fp_cairo_surface_flush)(cairo_surface_t *surface);
+static void (*fp_cairo_rectangle)(cairo_t *cr, double x, double y, double width,
+                double height);
+static void (*fp_cairo_set_source_rgb)(cairo_t *cr, double red, double green,
+                double blue);
+static void (*fp_cairo_set_source_rgba)(cairo_t *cr, double red, double green,
+                double blue, double alpha);
+static void (*fp_cairo_paint)(cairo_t *cr);
+static void (*fp_cairo_clip)(cairo_t *cr);
+static unsigned char* (*fp_cairo_image_surface_get_data)(
+                                                 cairo_surface_t *surface);
+static int (*fp_cairo_image_surface_get_stride) (cairo_surface_t *surface);
+static GdkPixbuf* (*fp_gdk_pixbuf_get_from_surface)(cairo_surface_t *surface,
+                            gint src_x, gint src_y, gint width, gint height);
+static GtkStateType (*fp_gtk_widget_get_state)(GtkWidget *widget);
+static void (*fp_gtk_widget_set_state)(GtkWidget *widget, GtkStateType state);
+static gboolean (*fp_gtk_widget_is_focus)(GtkWidget *widget);
+static void (*fp_gtk_widget_set_allocation)(GtkWidget *widget,
+                                            const GtkAllocation *allocation);
+static GtkWidget* (*fp_gtk_widget_get_parent)(GtkWidget *widget);
+static GtkStyleContext* (*fp_gtk_widget_get_style_context)(GtkWidget *widget);
+static void (*fp_gtk_style_context_get_color)(GtkStyleContext *context,
+                                           GtkStateFlags state, GdkRGBA *color);
+static void (*fp_gtk_style_context_get_background_color)
+                (GtkStyleContext *context, GtkStateFlags state, GdkRGBA *color);
+static void (*fp_gtk_style_context_get)(GtkStyleContext *context,
+                                                      GtkStateFlags state, ...);
+static GtkStateFlags (*fp_gtk_widget_get_state_flags)(GtkWidget* widget);
+static void (*fp_gtk_style_context_set_state)(GtkStyleContext* style,
+                                              GtkStateFlags flags);
+static void (*fp_gtk_style_context_add_class)(GtkStyleContext *context,
+                                                 const gchar *class_name);
+static void (*fp_gtk_style_context_save)(GtkStyleContext *context);
+static void (*fp_gtk_style_context_restore)(GtkStyleContext *context);
+static void (*fp_gtk_render_check)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height);
+static void (*fp_gtk_render_option)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height);
+static void (*fp_gtk_render_extension)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height,
+                     GtkPositionType gap_side);
+static void (*fp_gtk_render_expander)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height);
+static void (*fp_gtk_render_frame_gap)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height,
+                     GtkPositionType gap_side, gdouble xy0_gap,
+                     gdouble xy1_gap);
+static void (*fp_gtk_render_line)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble x0, gdouble y0, gdouble x1, gdouble y1);
+static GdkPixbuf* (*fp_gtk_widget_render_icon_pixbuf)(GtkWidget *widget,
+                     const gchar *stock_id, GtkIconSize size);
+static cairo_surface_t* (*fp_gdk_window_create_similar_image_surface)(
+                     GdkWindow *window, cairo_format_t format, int width,
+                     int height, int scale);
+static cairo_surface_t* (*fp_gdk_window_create_similar_surface)(
+                     GdkWindow *window, cairo_format_t format,
+                     int width, int height);
+static GdkWindow* (*fp_gtk_widget_get_window)(GtkWidget *widget);
+static GtkSettings *(*fp_gtk_settings_get_for_screen)(GdkScreen *screen);
+static GdkScreen *(*fp_gtk_widget_get_screen)(GtkWidget *widget);
+static GtkStyleProvider* (*fp_gtk_css_provider_get_named)(const gchar *name,
+                     const gchar *variant);
+static void (*fp_gtk_style_context_add_provider)(GtkStyleContext *context,
+                     GtkStyleProvider *provider, guint priority);
+static void (*fp_gtk_render_frame)(GtkStyleContext *context,cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height);
+static void (*fp_gtk_render_focus)(GtkStyleContext *context,cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height);
+static void (*fp_gtk_render_handle)(GtkStyleContext *context,cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height);
+static void (*fp_gtk_style_context_get_property)(GtkStyleContext *context,
+                     const gchar *property, GtkStateFlags state, GValue *value);
+static void (*fp_gtk_render_activity)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height);
+static void (*fp_gtk_render_background)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height);
+static gboolean (*fp_gtk_style_context_has_class)(GtkStyleContext *context,
+                     const gchar *class_name);
+static void transform_detail_string (const gchar *detail,
+                     GtkStyleContext *context);
+void (*fp_gtk_style_context_set_junction_sides)(GtkStyleContext  *context,
+                     GtkJunctionSides  sides);
+void (*fp_gtk_style_context_add_region)(GtkStyleContext *context,
+                     const gchar *region_name, GtkRegionFlags flags);
+void (*fp_gtk_render_arrow)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble angle, gdouble x, gdouble y, gdouble size);
+void (*fp_gtk_bin_set_child)(GtkBin *bin, GtkWidget *widget);
+void (*fp_gtk_scrolled_window_set_shadow_type)(
+                     GtkScrolledWindow *scrolled_window, GtkShadowType type);
+static void (*fp_gtk_render_slider)(GtkStyleContext *context, cairo_t *cr,
+                     gdouble x, gdouble y, gdouble width, gdouble height,
+                     GtkOrientation orientation);
+static void (*fp_gtk_style_context_get_padding)(GtkStyleContext *self,
+                     GtkStateFlags state, GtkBorder* padding);
+static void (*fp_gtk_range_set_inverted)(GtkRange *range, gboolean  setting);
+static PangoFontDescription* (*fp_gtk_style_context_get_font)(
+                     GtkStyleContext *context, GtkStateFlags state);
+static int (*fp_gtk_widget_get_allocated_width)(GtkWidget *widget);
+static int (*fp_gtk_widget_get_allocated_height)(GtkWidget *widget);
+static GtkIconTheme* (*fp_gtk_icon_theme_get_default)(void);
+static GdkPixbuf* (*fp_gtk_icon_theme_load_icon)(GtkIconTheme *icon_theme,
+                     const gchar *icon_name, gint size,
+                     GtkIconLookupFlags flags, GError **error);
+static void (*fp_gtk_adjustment_set_lower)(GtkAdjustment *adjustment,
+                     gdouble lower);
+static void (*fp_gtk_adjustment_set_page_increment)(GtkAdjustment *adjustment,
+                     gdouble page_increment);
+static void (*fp_gtk_adjustment_set_page_size)(GtkAdjustment *adjustment,
+                     gdouble page_size);
+static void (*fp_gtk_adjustment_set_step_increment)(GtkAdjustment *adjustment,
+                     gdouble step_increment);
+static void (*fp_gtk_adjustment_set_upper)(GtkAdjustment *adjustment,
+                     gdouble upper);
+static void (*fp_gtk_adjustment_set_value)(GtkAdjustment *adjustment,
+                     gdouble value);
+static GdkGC *(*fp_gdk_gc_new)(GdkDrawable*);
+static void (*fp_gdk_rgb_gc_set_foreground)(GdkGC*, guint32);
+static void (*fp_gdk_draw_rectangle)(GdkDrawable*, GdkGC*, gboolean,
+        gint, gint, gint, gint);
+static GdkPixbuf *(*fp_gdk_pixbuf_new)(GdkColorspace colorspace,
+        gboolean has_alpha, int bits_per_sample, int width, int height);
+static void (*fp_gdk_drawable_get_size)(GdkDrawable *drawable,
+        gint* width, gint* height);
+static gboolean (*fp_gtk_init_check)(int* argc, char** argv);
+
+/* Widget creation */
+static GtkWidget* (*fp_gtk_arrow_new)(GtkArrowType arrow_type,
+                                      GtkShadowType shadow_type);
+static GtkWidget* (*fp_gtk_button_new)();
+static GtkWidget* (*fp_gtk_check_button_new)();
+static GtkWidget* (*fp_gtk_check_menu_item_new)();
+static GtkWidget* (*fp_gtk_color_selection_dialog_new)(const gchar* title);
+static GtkWidget* (*fp_gtk_combo_box_new)();
+static GtkWidget* (*fp_gtk_combo_box_entry_new)();
+static GtkWidget* (*fp_gtk_entry_new)();
+static GtkWidget* (*fp_gtk_fixed_new)();
+static GtkWidget* (*fp_gtk_handle_box_new)();
+static GtkWidget* (*fp_gtk_hpaned_new)();
+static GtkWidget* (*fp_gtk_vpaned_new)();
+static GtkWidget* (*fp_gtk_scale_new)(GtkOrientation  orientation,
+                                       GtkAdjustment* adjustment);
+static GtkWidget* (*fp_gtk_hscrollbar_new)(GtkAdjustment* adjustment);
+static GtkWidget* (*fp_gtk_vscrollbar_new)(GtkAdjustment* adjustment);
+static GtkWidget* (*fp_gtk_hseparator_new)();
+static GtkWidget* (*fp_gtk_vseparator_new)();
+static GtkWidget* (*fp_gtk_image_new)();
+static GtkWidget* (*fp_gtk_label_new)(const gchar* str);
+static GtkWidget* (*fp_gtk_menu_new)();
+static GtkWidget* (*fp_gtk_menu_bar_new)();
+static GtkWidget* (*fp_gtk_menu_item_new)();
+static GtkWidget* (*fp_gtk_notebook_new)();
+static GtkWidget* (*fp_gtk_progress_bar_new)();
+static GtkWidget* (*fp_gtk_progress_bar_set_orientation)(
+        GtkProgressBar *pbar,
+        GtkProgressBarOrientation orientation);
+static GtkWidget* (*fp_gtk_radio_button_new)(GSList *group);
+static GtkWidget* (*fp_gtk_radio_menu_item_new)(GSList *group);
+static GtkWidget* (*fp_gtk_scrolled_window_new)(GtkAdjustment *hadjustment,
+        GtkAdjustment *vadjustment);
+static GtkWidget* (*fp_gtk_separator_menu_item_new)();
+static GtkWidget* (*fp_gtk_separator_tool_item_new)();
+static GtkWidget* (*fp_gtk_text_view_new)();
+static GtkWidget* (*fp_gtk_toggle_button_new)();
+static GtkWidget* (*fp_gtk_toolbar_new)();
+static GtkWidget* (*fp_gtk_tree_view_new)();
+static GtkWidget* (*fp_gtk_viewport_new)(GtkAdjustment *hadjustment,
+        GtkAdjustment *vadjustment);
+static GtkWidget* (*fp_gtk_window_new)(GtkWindowType type);
+static GtkWidget* (*fp_gtk_dialog_new)();
+static GtkWidget* (*fp_gtk_spin_button_new)(GtkAdjustment *adjustment,
+        gdouble climb_rate, guint digits);
+static GtkWidget* (*fp_gtk_frame_new)(const gchar *label);
+
+/* Other widget operations */
+static GtkAdjustment* (*fp_gtk_adjustment_new)(gdouble value,
+        gdouble lower, gdouble upper, gdouble step_increment,
+        gdouble page_increment, gdouble page_size);
+static void (*fp_gtk_container_add)(GtkContainer *window, GtkWidget *widget);
+static void (*fp_gtk_menu_shell_append)(GtkMenuShell *menu_shell,
+        GtkWidget *child);
+static void (*fp_gtk_menu_item_set_submenu)(GtkMenuItem *menu_item,
+        GtkWidget *submenu);
+static void (*fp_gtk_widget_realize)(GtkWidget *widget);
+static GdkPixbuf* (*fp_gtk_widget_render_icon)(GtkWidget *widget,
+        const gchar *stock_id, GtkIconSize size, const gchar *detail);
+static void (*fp_gtk_widget_set_name)(GtkWidget *widget, const gchar *name);
+static void (*fp_gtk_widget_set_parent)(GtkWidget *widget, GtkWidget *parent);
+static void (*fp_gtk_widget_set_direction)(GtkWidget *widget,
+        GtkTextDirection direction);
+static void (*fp_gtk_widget_style_get)(GtkWidget *widget,
+        const gchar *first_property_name, ...);
+static void (*fp_gtk_widget_class_install_style_property)(
+        GtkWidgetClass* class, GParamSpec *pspec);
+static GParamSpec* (*fp_gtk_widget_class_find_style_property)(
+        GtkWidgetClass* class, const gchar* property_name);
+static void (*fp_gtk_widget_style_get_property)(GtkWidget* widget,
+        const gchar* property_name, GValue* value);
+static char* (*fp_pango_font_description_to_string)(
+        const PangoFontDescription* fd);
+static GtkSettings* (*fp_gtk_settings_get_default)();
+static GtkSettings* (*fp_gtk_widget_get_settings)(GtkWidget *widget);
+static GType        (*fp_gtk_border_get_type)();
+static void (*fp_gtk_arrow_set)(GtkWidget* arrow,
+                                GtkArrowType arrow_type,
+                                GtkShadowType shadow_type);
+static void (*fp_gtk_widget_size_request)(GtkWidget *widget,
+                                          GtkRequisition *requisition);
+static GtkAdjustment* (*fp_gtk_range_get_adjustment)(GtkRange* range);
+
+#endif /* !_GTK3_INTERFACE_H */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/gtk_interface.c	Mon Apr 25 15:37:31 2016 +0300
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+#include <dlfcn.h>
+#include <stdlib.h>
+#include "jvm_md.h"
+#include "gtk_interface.h"
+
+GtkApi* gtk2_load(JNIEnv *env, const char* lib_name);
+GtkApi* gtk3_load(JNIEnv *env, const char* lib_name);
+
+gboolean gtk2_check(const char* lib_name, int flags);
+gboolean gtk3_check(const char* lib_name, int flags);
+
+GtkApi *gtk;
+
+typedef struct {
+    GtkVersion version;
+    const char* name;
+    const char* vname;
+    GtkApi* (*load)(JNIEnv *env, const char* lib_name);
+    gboolean (*check)(const char* lib_name, int flags);
+} GtkLib;
+
+static GtkLib libs[] = {
+    {
+        GTK_2,
+        JNI_LIB_NAME("gtk-x11-2.0"),
+        VERSIONED_JNI_LIB_NAME("gtk-x11-2.0", "0"),
+        &gtk2_load,
+        &gtk2_check
+    },
+    {
+        GTK_3,
+        JNI_LIB_NAME("gtk-3"),
+        VERSIONED_JNI_LIB_NAME("gtk-3", "0"),
+        &gtk3_load,
+        &gtk3_check
+    },
+    {
+        0,
+        NULL,
+        NULL,
+        NULL,
+        NULL
+    }
+};
+
+static GtkLib* get_loaded() {
+    GtkLib* lib = libs;
+    while(!gtk && lib->version) {
+        if (lib->check(lib->vname, RTLD_NOLOAD)) {
+            return lib;
+        }
+        if (lib->check(lib->name, RTLD_NOLOAD)) {
+            return lib;
+        }
+        lib++;
+    }
+    return NULL;
+}
+
+gboolean gtk_load(JNIEnv *env, GtkVersion version, gboolean verbose) {
+    if (gtk == NULL) {
+        GtkLib* lib = get_loaded();
+        if (lib) {
+            if (version != GTK_ANY && lib->version != version) {
+                if (verbose) {
+                    fprintf(stderr, "WARNING: Cannot load GTK%d library: \
+                         GTK%d has already been loaded\n", version, lib->version);
+                }
+                return FALSE;
+            }
+            if (verbose) {
+                fprintf(stderr, "Looking for GTK%d library...\n", version);
+            }
+            gtk = lib->load(env, lib->vname);
+            if (!gtk) {
+                gtk = lib->load(env, lib->name);
+            }
+        } else {
+            lib = libs;
+            while (!gtk && lib->version) {
+                if (version == GTK_ANY || lib->version == version) {
+                    if (verbose) {
+                        fprintf(stderr, "Looking for GTK%d library...\n",
+                                                                  lib->version);
+                    }
+                    gtk = lib->load(env, lib->vname);
+                    if (!gtk) {
+                        gtk = lib->load(env, lib->name);
+                    }
+                    if (verbose && !gtk) {
+                        fprintf(stderr, "Not found.\n");
+                    }
+                }
+                lib++;
+            }
+            lib--;
+        }
+        if (verbose) {
+            if (gtk) {
+                fprintf(stderr, "GTK%d library loaded.\n", lib->version);
+            } else {
+                fprintf(stderr, "Failed to load GTK library.\n");
+            }
+        }
+    }
+    return gtk != NULL;
+}
+
+static gboolean check_version(GtkVersion version, int flags) {
+    GtkLib* lib = libs;
+    while (lib->version) {
+        if (version == GTK_ANY || lib->version == version) {
+            if (lib->check(lib->vname, flags)) {
+                return TRUE;
+            }
+            if (lib->check(lib->name, flags)) {
+                return TRUE;
+            }
+        }
+        lib++;
+    }
+    return FALSE;
+}
+
+gboolean gtk_check_version(GtkVersion version) {
+    if (gtk) {
+        return TRUE;
+    }
+    if (check_version(version, RTLD_NOLOAD)) {
+        return TRUE;
+    }
+    return check_version(version, RTLD_LAZY | RTLD_LOCAL);
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/gtk_interface.h	Mon Apr 25 15:37:31 2016 +0300
@@ -0,0 +1,560 @@
+/*
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+#ifndef _GTK_INTERFACE_H
+#define _GTK_INTERFACE_H
+
+#include <X11/X.h>
+#include <jni.h>
+
+#ifndef FALSE
+#define FALSE           (0)
+#define TRUE            (!FALSE)
+#endif
+
+#define _G_TYPE_CIC(ip, gt, ct)       ((ct*) ip)
+#define G_TYPE_CHECK_INSTANCE_CAST(instance, g_type, c_type)  \
+                                    (_G_TYPE_CIC ((instance), (g_type), c_type))
+#define GTK_TYPE_FILE_CHOOSER             (fp_gtk_file_chooser_get_type ())
+#define GTK_FILE_CHOOSER(obj) \
+     (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FILE_CHOOSER, GtkFileChooser))
+#define G_CALLBACK(f) ((GCallback) (f))
+#define G_TYPE_FUNDAMENTAL_SHIFT (2)
+#define G_TYPE_MAKE_FUNDAMENTAL(x) ((GType) ((x) << G_TYPE_FUNDAMENTAL_SHIFT))
+#define G_TYPE_OBJECT G_TYPE_MAKE_FUNDAMENTAL (20)
+#define GTK_STOCK_CANCEL           "gtk-cancel"
+#define GTK_STOCK_SAVE             "gtk-save"
+#define GTK_STOCK_OPEN             "gtk-open"
+#define GDK_CURRENT_TIME           0L
+
+#define G_TYPE_INVALID                  G_TYPE_MAKE_FUNDAMENTAL (0)
+#define G_TYPE_NONE                     G_TYPE_MAKE_FUNDAMENTAL (1)
+#define G_TYPE_INTERFACE                G_TYPE_MAKE_FUNDAMENTAL (2)
+#define G_TYPE_CHAR                     G_TYPE_MAKE_FUNDAMENTAL (3)
+#define G_TYPE_UCHAR                    G_TYPE_MAKE_FUNDAMENTAL (4)
+#define G_TYPE_BOOLEAN                  G_TYPE_MAKE_FUNDAMENTAL (5)
+#define G_TYPE_INT                      G_TYPE_MAKE_FUNDAMENTAL (6)
+#define G_TYPE_UINT                     G_TYPE_MAKE_FUNDAMENTAL (7)
+#define G_TYPE_LONG                     G_TYPE_MAKE_FUNDAMENTAL (8)
+#define G_TYPE_ULONG                    G_TYPE_MAKE_FUNDAMENTAL (9)
+#define G_TYPE_INT64                    G_TYPE_MAKE_FUNDAMENTAL (10)
+#define G_TYPE_UINT64                   G_TYPE_MAKE_FUNDAMENTAL (11)
+#define G_TYPE_ENUM                     G_TYPE_MAKE_FUNDAMENTAL (12)
+#define G_TYPE_FLAGS                    G_TYPE_MAKE_FUNDAMENTAL (13)
+#define G_TYPE_FLOAT                    G_TYPE_MAKE_FUNDAMENTAL (14)
+#define G_TYPE_DOUBLE                   G_TYPE_MAKE_FUNDAMENTAL (15)
+#define G_TYPE_STRING                   G_TYPE_MAKE_FUNDAMENTAL (16)
+#define G_TYPE_POINTER                  G_TYPE_MAKE_FUNDAMENTAL (17)
+#define G_TYPE_BOXED                    G_TYPE_MAKE_FUNDAMENTAL (18)
+#define G_TYPE_PARAM                    G_TYPE_MAKE_FUNDAMENTAL (19)
+#define G_TYPE_OBJECT                   G_TYPE_MAKE_FUNDAMENTAL (20)
+
+#define GTK_TYPE_BORDER                 ((*fp_gtk_border_get_type)())
+
+#define G_TYPE_FUNDAMENTAL_SHIFT        (2)
+#define G_TYPE_MAKE_FUNDAMENTAL(x)      ((GType) ((x) << G_TYPE_FUNDAMENTAL_SHIFT))
+
+#ifndef MIN
+#define MIN(a, b)  (((a) < (b)) ? (a) : (b))
+#endif
+
+#define CONV_BUFFER_SIZE 128
+#define NO_SYMBOL_EXCEPTION 1
+
+/* basic types */
+typedef char    gchar;
+typedef short   gshort;
+typedef int     gint;
+typedef long    glong;
+typedef float   gfloat;
+typedef double  gdouble;
+typedef void*   gpointer;
+typedef gint    gboolean;
+typedef signed char  gint8;
+typedef signed short gint16;
+typedef signed int   gint32;
+typedef unsigned char  guchar;
+typedef unsigned char  guint8;
+typedef unsigned short gushort;
+typedef unsigned short guint16;
+typedef unsigned int   guint;
+typedef unsigned int   guint32;
+typedef unsigned int   gsize;
+typedef unsigned long  gulong;
+typedef signed long long   gint64;
+typedef unsigned long long guint64;
+typedef gulong GType;
+
+typedef struct _GList GList;
+struct _GList
+{
+  gpointer data;
+  GList *next;
+  GList *prev;
+};
+
+typedef struct _GSList GSList;
+struct _GSList {
+  gpointer data;
+  GSList *next;
+};
+
+typedef enum {
+    BUTTON,                     /* GtkButton */
+    CHECK_BOX,                  /* GtkCheckButton */
+    CHECK_BOX_MENU_ITEM,        /* GtkCheckMenuItem */
+    COLOR_CHOOSER,              /* GtkColorSelectionDialog */
+    COMBO_BOX,                  /* GtkComboBox */
+    COMBO_BOX_ARROW_BUTTON,     /* GtkComboBoxEntry */
+    COMBO_BOX_TEXT_FIELD,       /* GtkComboBoxEntry */
+    DESKTOP_ICON,               /* GtkLabel */
+    DESKTOP_PANE,               /* GtkContainer */
+    EDITOR_PANE,                /* GtkTextView */
+    FORMATTED_TEXT_FIELD,       /* GtkEntry */
+    HANDLE_BOX,                 /* GtkHandleBox */
+    HPROGRESS_BAR,              /* GtkProgressBar */
+    HSCROLL_BAR,                /* GtkHScrollbar */
+    HSCROLL_BAR_BUTTON_LEFT,    /* GtkHScrollbar */
+    HSCROLL_BAR_BUTTON_RIGHT,   /* GtkHScrollbar */
+    HSCROLL_BAR_TRACK,          /* GtkHScrollbar */
+    HSCROLL_BAR_THUMB,          /* GtkHScrollbar */
+    HSEPARATOR,                 /* GtkHSeparator */
+    HSLIDER,                    /* GtkHScale */
+    HSLIDER_TRACK,              /* GtkHScale */
+    HSLIDER_THUMB,              /* GtkHScale */
+    HSPLIT_PANE_DIVIDER,        /* GtkHPaned */
+    INTERNAL_FRAME,             /* GtkWindow */
+    INTERNAL_FRAME_TITLE_PANE,  /* GtkLabel */
+    IMAGE,                      /* GtkImage */
+    LABEL,                      /* GtkLabel */
+    LIST,                       /* GtkTreeView */
+    MENU,                       /* GtkMenu */
+    MENU_BAR,                   /* GtkMenuBar */
+    MENU_ITEM,                  /* GtkMenuItem */
+    MENU_ITEM_ACCELERATOR,      /* GtkLabel */
+    OPTION_PANE,                /* GtkMessageDialog */
+    PANEL,                      /* GtkContainer */
+    PASSWORD_FIELD,             /* GtkEntry */
+    POPUP_MENU,                 /* GtkMenu */
+    POPUP_MENU_SEPARATOR,       /* GtkSeparatorMenuItem */
+    RADIO_BUTTON,               /* GtkRadioButton */
+    RADIO_BUTTON_MENU_ITEM,     /* GtkRadioMenuItem */
+    ROOT_PANE,                  /* GtkContainer */
+    SCROLL_PANE,                /* GtkScrolledWindow */
+    SPINNER,                    /* GtkSpinButton */
+    SPINNER_ARROW_BUTTON,       /* GtkSpinButton */
+    SPINNER_TEXT_FIELD,         /* GtkSpinButton */
+    SPLIT_PANE,                 /* GtkPaned */
+    TABBED_PANE,                /* GtkNotebook */
+    TABBED_PANE_TAB_AREA,       /* GtkNotebook */
+    TABBED_PANE_CONTENT,        /* GtkNotebook */
+    TABBED_PANE_TAB,            /* GtkNotebook */
+    TABLE,                      /* GtkTreeView */
+    TABLE_HEADER,               /* GtkButton */
+    TEXT_AREA,                  /* GtkTextView */
+    TEXT_FIELD,                 /* GtkEntry */
+    TEXT_PANE,                  /* GtkTextView */
+    TITLED_BORDER,              /* GtkFrame */
+    TOGGLE_BUTTON,              /* GtkToggleButton */
+    TOOL_BAR,                   /* GtkToolbar */
+    TOOL_BAR_DRAG_WINDOW,       /* GtkToolbar */
+    TOOL_BAR_SEPARATOR,         /* GtkSeparatorToolItem */
+    TOOL_TIP,                   /* GtkWindow */
+    TREE,                       /* GtkTreeView */
+    TREE_CELL,                  /* GtkTreeView */
+    VIEWPORT,                   /* GtkViewport */
+    VPROGRESS_BAR,              /* GtkProgressBar */
+    VSCROLL_BAR,                /* GtkVScrollbar */
+    VSCROLL_BAR_BUTTON_UP,      /* GtkVScrollbar */
+    VSCROLL_BAR_BUTTON_DOWN,    /* GtkVScrollbar */
+    VSCROLL_BAR_TRACK,          /* GtkVScrollbar */
+    VSCROLL_BAR_THUMB,          /* GtkVScrollbar */
+    VSEPARATOR,                 /* GtkVSeparator */
+    VSLIDER,                    /* GtkVScale */
+    VSLIDER_TRACK,              /* GtkVScale */
+    VSLIDER_THUMB,              /* GtkVScale */
+    VSPLIT_PANE_DIVIDER,        /* GtkVPaned */
+    WIDGET_TYPE_SIZE
+} WidgetType;
+
+typedef enum
+{
+    _GTK_ARROW_TYPE,
+    _GTK_BUTTON_TYPE,
+    _GTK_CHECK_BUTTON_TYPE,
+    _GTK_CHECK_MENU_ITEM_TYPE,
+    _GTK_COLOR_SELECTION_DIALOG_TYPE,
+    _GTK_COMBO_BOX_TYPE,
+    _GTK_COMBO_BOX_ARROW_BUTTON_TYPE,
+    _GTK_COMBO_BOX_TEXT_FIELD_TYPE,
+    _GTK_CONTAINER_TYPE,
+    _GTK_ENTRY_TYPE,
+    _GTK_FRAME_TYPE,
+    _GTK_HANDLE_BOX_TYPE,
+    _GTK_HPANED_TYPE,
+    _GTK_HPROGRESS_BAR_TYPE,
+    _GTK_HSCALE_TYPE,
+    _GTK_HSCROLLBAR_TYPE,
+    _GTK_HSEPARATOR_TYPE,
+    _GTK_IMAGE_TYPE,
+    _GTK_MENU_TYPE,
+    _GTK_MENU_BAR_TYPE,
+    _GTK_MENU_ITEM_TYPE,
+    _GTK_NOTEBOOK_TYPE,
+    _GTK_LABEL_TYPE,
+    _GTK_RADIO_BUTTON_TYPE,
+    _GTK_RADIO_MENU_ITEM_TYPE,
+    _GTK_SCROLLED_WINDOW_TYPE,
+    _GTK_SEPARATOR_MENU_ITEM_TYPE,
+    _GTK_SEPARATOR_TOOL_ITEM_TYPE,
+    _GTK_SPIN_BUTTON_TYPE,
+    _GTK_TEXT_VIEW_TYPE,
+    _GTK_TOGGLE_BUTTON_TYPE,
+    _GTK_TOOLBAR_TYPE,
+    _GTK_TOOLTIP_TYPE,
+    _GTK_TREE_VIEW_TYPE,
+    _GTK_VIEWPORT_TYPE,
+    _GTK_VPANED_TYPE,
+    _GTK_VPROGRESS_BAR_TYPE,
+    _GTK_VSCALE_TYPE,
+    _GTK_VSCROLLBAR_TYPE,
+    _GTK_VSEPARATOR_TYPE,
+    _GTK_WINDOW_TYPE,
+    _GTK_DIALOG_TYPE,
+    _GTK_WIDGET_TYPE_SIZE
+} GtkWidgetType;
+
+typedef enum
+{
+  GTK_STATE_NORMAL,
+  GTK_STATE_ACTIVE,
+  GTK_STATE_PRELIGHT,
+  GTK_STATE_SELECTED,
+  GTK_STATE_INSENSITIVE,
+  GTK_STATE_INCONSISTENT,
+  GTK_STATE_FOCUSED
+} GtkStateType;
+
+typedef enum
+{
+  GTK_SHADOW_NONE,
+  GTK_SHADOW_IN,
+  GTK_SHADOW_OUT,
+  GTK_SHADOW_ETCHED_IN,
+  GTK_SHADOW_ETCHED_OUT
+} GtkShadowType;
+
+typedef enum
+{
+  GTK_EXPANDER_COLLAPSED,
+  GTK_EXPANDER_SEMI_COLLAPSED,
+  GTK_EXPANDER_SEMI_EXPANDED,
+  GTK_EXPANDER_EXPANDED
+} GtkExpanderStyle;
+
+typedef enum
+{
+  GTK_ICON_SIZE_INVALID,
+  GTK_ICON_SIZE_MENU,
+  GTK_ICON_SIZE_SMALL_TOOLBAR,
+  GTK_ICON_SIZE_LARGE_TOOLBAR,
+  GTK_ICON_SIZE_BUTTON,
+  GTK_ICON_SIZE_DND,
+  GTK_ICON_SIZE_DIALOG
+} GtkIconSize;
+
+typedef enum
+{
+  GTK_ORIENTATION_HORIZONTAL,
+  GTK_ORIENTATION_VERTICAL
+} GtkOrientation;
+
+typedef enum
+{
+    FOREGROUND,
+    BACKGROUND,
+    TEXT_FOREGROUND,
+    TEXT_BACKGROUND,
+    FOCUS,
+    LIGHT,
+    DARK,
+    MID,
+    BLACK,
+    WHITE
+} ColorType;
+
+typedef enum
+{
+    GTK_FONT_NAME,
+    GTK_ICON_SIZES,
+    GTK_CURSOR_BLINK,
+    GTK_CURSOR_BLINK_TIME
+} Setting;
+
+typedef enum
+{
+  GTK_ARROW_UP,
+  GTK_ARROW_DOWN,
+  GTK_ARROW_LEFT,
+  GTK_ARROW_RIGHT,
+  GTK_ARROW_NONE
+} GtkArrowType;
+
+typedef enum
+{
+  GTK_TEXT_DIR_NONE,
+  GTK_TEXT_DIR_LTR,
+  GTK_TEXT_DIR_RTL
+} GtkTextDirection;
+
+typedef enum
+{
+  GTK_POS_LEFT,
+  GTK_POS_RIGHT,
+  GTK_POS_TOP,
+  GTK_POS_BOTTOM
+} GtkPositionType;
+
+/* SynthConstants */
+static const gint ENABLED    = 1 << 0;
+static const gint MOUSE_OVER = 1 << 1;
+static const gint PRESSED    = 1 << 2;
+static const gint DISABLED   = 1 << 3;
+static const gint FOCUSED    = 1 << 8;
+static const gint SELECTED   = 1 << 9;
+static const gint DEFAULT    = 1 << 10;
+
+typedef enum
+{
+  GTK_ANY,
+  GTK_1,
+  GTK_2,
+  GTK_3
+} GtkVersion;
+
+//------------------------------
+
+
+
+typedef enum {
+  GTK_RESPONSE_NONE = -1,
+  GTK_RESPONSE_REJECT = -2,
+  GTK_RESPONSE_ACCEPT = -3,
+  GTK_RESPONSE_DELETE_EVENT = -4,
+  GTK_RESPONSE_OK = -5,
+  GTK_RESPONSE_CANCEL = -6,
+  GTK_RESPONSE_CLOSE = -7,
+  GTK_RESPONSE_YES = -8,
+  GTK_RESPONSE_NO = -9,
+  GTK_RESPONSE_APPLY = -10,
+  GTK_RESPONSE_HELP = -11
+} GtkResponseType;
+
+typedef enum {
+  GTK_FILE_CHOOSER_ACTION_OPEN,
+  GTK_FILE_CHOOSER_ACTION_SAVE,
+  GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
+  GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER
+} GtkFileChooserAction;
+
+typedef enum {
+  GTK_FILE_FILTER_FILENAME = 1 << 0,
+  GTK_FILE_FILTER_URI = 1 << 1,
+  GTK_FILE_FILTER_DISPLAY_NAME = 1 << 2,
+  GTK_FILE_FILTER_MIME_TYPE = 1 << 3
+} GtkFileFilterFlags;
+
+typedef enum {
+  GDK_COLORSPACE_RGB
+} GdkColorspace;
+
+typedef enum {
+    GDK_INTERP_NEAREST,
+    GDK_INTERP_TILES,
+    GDK_INTERP_BILINEAR,
+    GDK_INTERP_HYPER
+} GdkInterpType;
+
+typedef enum {
+  G_CONNECT_AFTER = 1 << 0, G_CONNECT_SWAPPED = 1 << 1
+} GConnectFlags;
+//------------------------------
+
+
+typedef void GError;
+typedef void GdkScreen;
+typedef void GtkWindow;
+typedef void GdkWindow;
+typedef void GClosure;
+typedef void GtkFileChooser;
+typedef void GtkFileFilter;
+typedef struct {
+    GtkFileFilterFlags contains;
+    const gchar *filename;
+    const gchar *uri;
+    const gchar *display_name;
+    const gchar *mime_type;
+} GtkFileFilterInfo;
+typedef gboolean (*GtkFileFilterFunc)(const GtkFileFilterInfo *filter_info,
+                                                                 gpointer data);
+typedef void (*GClosureNotify)(gpointer data, GClosure *closure);
+typedef void (*GDestroyNotify)(gpointer data);
+typedef void (*GCallback)(void);
+
+
+typedef struct GtkApi {
+    int version;
+    gboolean (*show_uri_load)(JNIEnv *env);
+    gboolean (*unload)();
+    void (*flush_event_loop)();
+    gchar* (*gtk_check_version)(guint required_major, guint required_minor,
+                                guint required_micro);
+    jobject (*get_setting)(JNIEnv *env, Setting property);
+
+    void (*paint_arrow)(WidgetType widget_type, GtkStateType state_type,
+        GtkShadowType shadow_type, const gchar *detail,
+        gint x, gint y, gint width, gint height,
+        GtkArrowType arrow_type, gboolean fill);
+    void (*paint_box)(WidgetType widget_type, GtkStateType state_type,
+                        GtkShadowType shadow_type, const gchar *detail,
+                        gint x, gint y, gint width, gint height,
+                        gint synth_state, GtkTextDirection dir);
+    void (*paint_box_gap)(WidgetType widget_type, GtkStateType state_type,
+            GtkShadowType shadow_type, const gchar *detail,
+            gint x, gint y, gint width, gint height,
+            GtkPositionType gap_side, gint gap_x, gint gap_width);
+    void (*paint_expander)(WidgetType widget_type, GtkStateType state_type,
+            const gchar *detail, gint x, gint y, gint width, gint height,
+            GtkExpanderStyle expander_style);
+    void (*paint_extension)(WidgetType widget_type, GtkStateType state_type,
+            GtkShadowType shadow_type, const gchar *detail,
+            gint x, gint y, gint width, gint height, GtkPositionType gap_side);
+    void (*paint_flat_box)(WidgetType widget_type, GtkStateType state_type,
+            GtkShadowType shadow_type, const gchar *detail,
+            gint x, gint y, gint width, gint height, gboolean has_focus);
+    void (*paint_focus)(WidgetType widget_type, GtkStateType state_type,
+            const char *detail, gint x, gint y, gint width, gint height);
+    void (*paint_handle)(WidgetType widget_type, GtkStateType state_type,
+           GtkShadowType shadow_type, const gchar *detail,
+           gint x, gint y, gint width, gint height, GtkOrientation orientation);
+    void (*paint_hline)(WidgetType widget_type, GtkStateType state_type,
+            const gchar *detail, gint x, gint y, gint width, gint height);
+    void (*paint_vline)(WidgetType widget_type, GtkStateType state_type,
+            const gchar *detail, gint x, gint y, gint width, gint height);
+    void (*paint_option)(WidgetType widget_type, gint synth_state,
+             const gchar *detail, gint x, gint y, gint width, gint height);
+    void (*paint_shadow)(WidgetType widget_type, GtkStateType state_type,
+                           GtkShadowType shadow_type, const gchar *detail,
+                           gint x, gint y, gint width, gint height,
+                           gint synth_state, GtkTextDirection dir);
+    void (*paint_slider)(WidgetType widget_type, GtkStateType state_type,
+            GtkShadowType shadow_type, const gchar *detail,
+            gint x, gint y, gint width, gint height, GtkOrientation orientation,
+            gboolean has_focus);
+    void (*paint_background)(WidgetType widget_type, GtkStateType state_type,
+            gint x, gint y, gint width, gint height);
+    void (*paint_check)(WidgetType widget_type, gint synth_state,
+        const gchar *detail, gint x, gint y, gint width, gint height);
+    void (*set_range_value)(WidgetType widget_type, jdouble value,
+                              jdouble min, jdouble max, jdouble visible);
+
+    void (*init_painting)(JNIEnv *env, gint w, gint h);
+    gint (*copy_image)(gint *dest, gint width, gint height);
+
+    gint (*get_xthickness)(JNIEnv *env, WidgetType widget_type);
+    gint (*get_ythickness)(JNIEnv *env, WidgetType widget_type);
+    gint (*get_color_for_state)(JNIEnv *env, WidgetType widget_type,
+                                  GtkStateType state_type, ColorType color_type);
+    jobject (*get_class_value)(JNIEnv *env, WidgetType widget_type,
+                               const char* key);
+
+    jstring (*get_pango_font_name)(JNIEnv *env, WidgetType widget_type);
+    jboolean (*get_icon_data)(JNIEnv *env, gint widget_type,
+                    const gchar *stock_id, GtkIconSize size,
+                    GtkTextDirection direction, const char *detail,
+                    jmethodID icon_upcall_method, jobject this);
+    jboolean (*get_file_icon_data)(JNIEnv *env, const char *filename,
+                    GError **error, jmethodID icon_upcall_method, jobject this);
+    void (*gdk_threads_enter)(void);
+    void (*gdk_threads_leave)(void);
+    gboolean (*gtk_show_uri)(GdkScreen *screen, const gchar *uri,
+                                             guint32 timestamp, GError **error);
+    gboolean (*get_drawable_data)(JNIEnv *env, jintArray pixelArray,
+                                       jint x, jint y, jint width, jint height,
+                                       jint jwidth, int dx, int dy, jint scale);
+    void (*g_free)(gpointer mem);
+
+
+    gchar* (*gtk_file_chooser_get_filename)(GtkFileChooser *chooser);
+    void (*gtk_widget_hide)(void* widget);
+    void (*gtk_main_quit)(void);
+    void* (*gtk_file_chooser_dialog_new)(const gchar *title,
+        GtkWindow *parent, GtkFileChooserAction action,
+        const gchar *first_button_text, ...);
+    gboolean (*gtk_file_chooser_set_current_folder)(GtkFileChooser *chooser,
+        const gchar *filename);
+    gboolean (*gtk_file_chooser_set_filename)(GtkFileChooser *chooser,
+        const char *filename);
+    void (*gtk_file_chooser_set_current_name)(GtkFileChooser *chooser,
+        const gchar *name);
+    void (*gtk_file_filter_add_custom)(GtkFileFilter *filter,
+        GtkFileFilterFlags needed, GtkFileFilterFunc func, gpointer data,
+        GDestroyNotify notify);
+    void (*gtk_file_chooser_set_filter)(GtkFileChooser *chooser,
+        GtkFileFilter *filter);
+    GType (*gtk_file_chooser_get_type)(void);
+    GtkFileFilter* (*gtk_file_filter_new)(void);
+    void (*gtk_file_chooser_set_do_overwrite_confirmation)(
+        GtkFileChooser *chooser, gboolean do_overwrite_confirmation);
+    void (*gtk_file_chooser_set_select_multiple)(
+        GtkFileChooser *chooser, gboolean select_multiple);
+    gchar* (*gtk_file_chooser_get_current_folder)(GtkFileChooser *chooser);
+    GSList* (*gtk_file_chooser_get_filenames)(GtkFileChooser *chooser);
+    guint (*gtk_g_slist_length)(GSList *list);
+    gulong (*g_signal_connect_data)(gpointer instance,
+        const gchar *detailed_signal, GCallback c_handler, gpointer data,
+        GClosureNotify destroy_data, GConnectFlags connect_flags);
+    void (*gtk_widget_show)(void *widget);
+    void (*gtk_main)(void);
+    guint (*gtk_main_level)(void);
+    gchar* (*g_path_get_dirname) (const gchar *file_name);
+    XID (*gdk_x11_drawable_get_xid) (void *drawable);
+    void (*gtk_widget_destroy)(void *widget);
+    void (*gtk_window_present)(void *window);
+    void (*gtk_window_move)(void *window, gint x, gint y);
+    void (*gtk_window_resize)(void *window, gint width, gint height);
+    GdkWindow *(*get_window)(void *widget);
+
+    void (*g_object_unref)(gpointer object);
+    GList* (*g_list_append) (GList *list, gpointer data);
+    void (*g_list_free) (GList *list);
+    void (*g_list_free_full) (GList *list, GDestroyNotify free_func);
+} GtkApi;
+
+gboolean gtk_load(JNIEnv *env, GtkVersion version, gboolean verbose);
+gboolean gtk_check_version(GtkVersion version);
+
+extern GtkApi* gtk;
+
+#endif /* !_GTK_INTERFACE_H */
--- a/src/java.desktop/unix/native/libawt_xawt/awt/sun_awt_X11_GtkFileDialogPeer.c	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/sun_awt_X11_GtkFileDialogPeer.c	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,11 +28,12 @@
 #include <jni_util.h>
 #include <string.h>
 #include <X11/X.h>
-#include "gtk2_interface.h"
+#include "gtk_interface.h"
 #include "sun_awt_X11_GtkFileDialogPeer.h"
 #include "java_awt_FileDialog.h"
 #include "debug_assert.h"
 
+typedef void GtkWidget;
 static JavaVM *jvm;
 
 /* To cache some method IDs */
@@ -90,20 +91,20 @@
     {
         // Callbacks from GTK signals are made within the GTK lock
         // So, within a signal handler there is no need to call
-        // gdk_threads_enter() / fp_gdk_threads_leave()
+        // gdk_threads_enter() / gtk->gdk_threads_leave()
         if (!isSignalHandler) {
-            fp_gdk_threads_enter();
+            gtk->gdk_threads_enter();
         }
 
-        fp_gtk_widget_hide (dialog);
-        fp_gtk_widget_destroy (dialog);
+        gtk->gtk_widget_hide (dialog);
+        gtk->gtk_widget_destroy (dialog);
 
-        fp_gtk_main_quit ();
+        gtk->gtk_main_quit ();
 
         (*env)->SetLongField(env, jpeer, widgetFieldID, 0);
 
         if (!isSignalHandler) {
-            fp_gdk_threads_leave();
+            gtk->gdk_threads_leave();
         }
     }
 
@@ -133,16 +134,16 @@
 {
     GtkWidget * dialog;
 
-    fp_gdk_threads_enter();
+    gtk->gdk_threads_enter();
 
     dialog = (GtkWidget*)jlong_to_ptr(
             (*env)->GetLongField(env, jpeer, widgetFieldID));
 
     if (dialog != NULL) {
-        fp_gtk_window_present((GtkWindow*)dialog);
+        gtk->gtk_window_present((GtkWindow*)dialog);
     }
 
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -155,21 +156,21 @@
 {
     GtkWindow* dialog;
 
-    fp_gdk_threads_enter();
+    gtk->gdk_threads_enter();
 
     dialog = (GtkWindow*)jlong_to_ptr(
         (*env)->GetLongField(env, jpeer, widgetFieldID));
 
     if (dialog != NULL) {
         if (x >= 0 && y >= 0) {
-            fp_gtk_window_move(dialog, (gint)x, (gint)y);
+            gtk->gtk_window_move(dialog, (gint)x, (gint)y);
         }
         if (width > 0 && height > 0) {
-            fp_gtk_window_resize(dialog, (gint)width, (gint)height);
+            gtk->gtk_window_resize(dialog, (gint)width, (gint)height);
         }
     }
 
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -182,18 +183,18 @@
     gboolean isAllDirsSame = TRUE;
 
     while (it) {
-        gchar* dir = fp_g_path_get_dirname((gchar*) it->data);
+        gchar* dir = gtk->g_path_get_dirname((gchar*) it->data);
 
         if (prevDir && strcmp(prevDir, dir) != 0) {
             isAllDirsSame = FALSE;
-            fp_g_free(dir);
+            gtk->g_free(dir);
             break;
         }
 
         if (!prevDir) {
             prevDir = strdup(dir);
         }
-        fp_g_free(dir);
+        gtk->g_free(dir);
 
         it = it->next;
     }
@@ -233,7 +234,7 @@
         return NULL;
     }
 
-    array = (*env)->NewObjectArray(env, fp_gtk_g_slist_length(list), stringCls, NULL);
+    array = (*env)->NewObjectArray(env, gtk->gtk_g_slist_length(list), stringCls, NULL);
     if (array == NULL) {
         (*env)->ExceptionClear(env);
         JNU_ThrowInternalError(env, "Could not instantiate array files array");
@@ -287,7 +288,7 @@
     filenames = NULL;
 
     if (responseId == GTK_RESPONSE_ACCEPT) {
-        filenames = fp_gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(aDialog));
+        filenames = gtk->gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(aDialog));
     }
 
     jfilenames = toFilenamesArray(env, filenames, &jcurrent_folder);
@@ -318,7 +319,7 @@
         JNU_CHECK_EXCEPTION(env);
     }
 
-    fp_gdk_threads_enter();
+    gtk->gdk_threads_enter();
 
     const char *title = jtitle == NULL? "": (*env)->GetStringUTFChars(env, jtitle, 0);
     if (title == NULL) {
@@ -329,19 +330,19 @@
 
     if (mode == java_awt_FileDialog_SAVE) {
         /* Save action */
-        dialog = fp_gtk_file_chooser_dialog_new(title, NULL,
+        dialog = gtk->gtk_file_chooser_dialog_new(title, NULL,
                 GTK_FILE_CHOOSER_ACTION_SAVE, GTK_STOCK_CANCEL,
                 GTK_RESPONSE_CANCEL, GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL);
     }
     else {
         /* Default action OPEN */
-        dialog = fp_gtk_file_chooser_dialog_new(title, NULL,
+        dialog = gtk->gtk_file_chooser_dialog_new(title, NULL,
                 GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL,
                 GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL);
 
         /* Set multiple selection mode, that is allowed only in OPEN action */
         if (multiple) {
-            fp_gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog),
+            gtk->gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog),
                     multiple);
         }
     }
@@ -358,7 +359,7 @@
             JNU_ThrowOutOfMemoryError(env, "Could not get dir");
             return;
         }
-        fp_gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), dir);
+        gtk->gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), dir);
         (*env)->ReleaseStringUTFChars(env, jdir, dir);
     }
 
@@ -371,47 +372,48 @@
             return;
         }
         if (mode == java_awt_FileDialog_SAVE) {
-            fp_gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), filename);
+            gtk->gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), filename);
         } else {
-            fp_gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), filename);
+            gtk->gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), filename);
         }
         (*env)->ReleaseStringUTFChars(env, jfile, filename);
     }
 
     /* Set the file filter */
     if (jfilter != NULL) {
-        filter = fp_gtk_file_filter_new();
-        fp_gtk_file_filter_add_custom(filter, GTK_FILE_FILTER_FILENAME,
+        filter = gtk->gtk_file_filter_new();
+        gtk->gtk_file_filter_add_custom(filter, GTK_FILE_FILTER_FILENAME,
                 filenameFilterCallback, jpeer, NULL);
-        fp_gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
+        gtk->gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
     }
 
     /* Other Properties */
-    if (fp_gtk_check_version(2, 8, 0) == NULL) {
-        fp_gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(
+    if (gtk->gtk_check_version(2, 8, 0) == NULL ||
+                                     gtk->gtk_check_version(3, 0, 0) == NULL) {
+        gtk->gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(
                 dialog), TRUE);
     }
 
     /* Set the initial location */
     if (x >= 0 && y >= 0) {
-        fp_gtk_window_move((GtkWindow*)dialog, (gint)x, (gint)y);
+        gtk->gtk_window_move((GtkWindow*)dialog, (gint)x, (gint)y);
 
         // NOTE: it doesn't set the initial size for the file chooser
         // as it seems like the file chooser overrides the size internally
     }
 
-    fp_g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(
-            handle_response), jpeer);
+    gtk->g_signal_connect_data(dialog, "response", G_CALLBACK(
+            handle_response), jpeer, 0, 0);
 
     (*env)->SetLongField(env, jpeer, widgetFieldID, ptr_to_jlong(dialog));
 
-    fp_gtk_widget_show(dialog);
+    gtk->gtk_widget_show(dialog);
 
-    XID xid = fp_gdk_x11_drawable_get_xid(dialog->window);
+    XID xid = gtk->gdk_x11_drawable_get_xid(gtk->get_window(dialog));
     if( (*env)->CallBooleanMethod(env, jpeer, setWindowMethodID, xid) ) {
-        fp_gtk_main();
+        gtk->gtk_main();
     }
 
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
--- a/src/java.desktop/unix/native/libawt_xawt/awt/swing_GTKEngine.c	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/swing_GTKEngine.c	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,9 +24,24 @@
  */
 
 #include <stdlib.h>
-#include "gtk2_interface.h"
+#include "gtk_interface.h"
 #include "com_sun_java_swing_plaf_gtk_GTKEngine.h"
 
+/* Static buffer for conversion from java.lang.String to UTF-8 */
+static char conversionBuffer[CONV_BUFFER_SIZE];
+
+const char *getStrFor(JNIEnv *env, jstring val)
+{
+    int length = (*env)->GetStringLength(env, val);
+    if (length > CONV_BUFFER_SIZE-1)
+    {
+        length = CONV_BUFFER_SIZE-1;
+    }
+
+    (*env)->GetStringUTFRegion(env, val, 0, length, conversionBuffer);
+    return conversionBuffer;
+}
+
 /*
  * Class:     com_sun_java_swing_plaf_gtk_GTKEngine
  * Method:    native_paint_arrow
@@ -38,10 +53,10 @@
         jint widget_type, jint state, jint shadow_type, jstring detail,
         jint x, jint y, jint w, jint h, jint arrow_type)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_arrow(widget_type, state, shadow_type, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_arrow(widget_type, state, shadow_type, getStrFor(env, detail),
             x, y, w, h, arrow_type, TRUE);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -56,10 +71,10 @@
         jint x, jint y, jint w, jint h,
         jint synth_state, jint dir)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_box(widget_type, state, shadow_type, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_box(widget_type, state, shadow_type, getStrFor(env, detail),
                    x, y, w, h, synth_state, dir);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -74,10 +89,10 @@
         jint x, jint y, jint w, jint h,
         jint gap_side, jint gap_x, jint gap_w)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_box_gap(widget_type, state, shadow_type, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_box_gap(widget_type, state, shadow_type, getStrFor(env, detail),
             x, y, w, h, gap_side, gap_x, gap_w);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -91,10 +106,10 @@
         jint widget_type, jint synth_state, jstring detail,
         jint x, jint y, jint w, jint h)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_check(widget_type, synth_state, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_check(widget_type, synth_state, getStrFor(env, detail),
                      x, y, w, h);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -108,10 +123,10 @@
         jint widget_type, jint state, jstring detail,
         jint x, jint y, jint w, jint h, jint expander_style)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_expander(widget_type, state, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_expander(widget_type, state, getStrFor(env, detail),
             x, y, w, h, expander_style);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -125,10 +140,10 @@
         jint widget_type, jint state, jint shadow_type, jstring detail,
         jint x, jint y, jint w, jint h, jint placement)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_extension(widget_type, state, shadow_type,
+    gtk->gdk_threads_enter();
+    gtk->paint_extension(widget_type, state, shadow_type,
             getStrFor(env, detail), x, y, w, h, placement);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -142,10 +157,10 @@
         jint widget_type, jint state, jint shadow_type, jstring detail,
         jint x, jint y, jint w, jint h, jboolean has_focus)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_flat_box(widget_type, state, shadow_type,
+    gtk->gdk_threads_enter();
+    gtk->paint_flat_box(widget_type, state, shadow_type,
             getStrFor(env, detail), x, y, w, h, has_focus);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -159,10 +174,10 @@
         jint widget_type, jint state, jstring detail,
         jint x, jint y, jint w, jint h)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_focus(widget_type, state, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_focus(widget_type, state, getStrFor(env, detail),
             x, y, w, h);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -176,10 +191,10 @@
         jint widget_type, jint state, jint shadow_type, jstring detail,
         jint x, jint y, jint w, jint h, jint orientation)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_handle(widget_type, state, shadow_type, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_handle(widget_type, state, shadow_type, getStrFor(env, detail),
             x, y, w, h, orientation);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -193,10 +208,10 @@
         jint widget_type, jint state, jstring detail,
         jint x, jint y, jint w, jint h)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_hline(widget_type, state, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_hline(widget_type, state, getStrFor(env, detail),
             x, y, w, h);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -210,10 +225,10 @@
         jint widget_type, jint synth_state, jstring detail,
         jint x, jint y, jint w, jint h)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_option(widget_type, synth_state, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_option(widget_type, synth_state, getStrFor(env, detail),
                       x, y, w, h);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -228,10 +243,10 @@
         jint x, jint y, jint w, jint h,
         jint synth_state, jint dir)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_shadow(widget_type, state, shadow_type, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_shadow(widget_type, state, shadow_type, getStrFor(env, detail),
                       x, y, w, h, synth_state, dir);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -243,12 +258,12 @@
 Java_com_sun_java_swing_plaf_gtk_GTKEngine_native_1paint_1slider(
         JNIEnv *env, jobject this,
         jint widget_type, jint state, jint shadow_type, jstring detail,
-        jint x, jint y, jint w, jint h, jint orientation)
+        jint x, jint y, jint w, jint h, jint orientation, jboolean has_focus)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_slider(widget_type, state, shadow_type, getStrFor(env, detail),
-            x, y, w, h, orientation);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    gtk->paint_slider(widget_type, state, shadow_type, getStrFor(env, detail),
+            x, y, w, h, orientation, has_focus);
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -262,10 +277,10 @@
         jint widget_type, jint state, jstring detail,
         jint x, jint y, jint w, jint h)
 {
-    fp_gdk_threads_enter();
-    gtk2_paint_vline(widget_type, state, getStrFor(env, detail),
+    gtk->gdk_threads_enter();
+    gtk->paint_vline(widget_type, state, getStrFor(env, detail),
             x, y, w, h);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -278,9 +293,9 @@
         JNIEnv *env, jobject this, jint widget_type, jint state,
         jint x, jint y, jint w, jint h)
 {
-    fp_gdk_threads_enter();
-    gtk_paint_background(widget_type, state, x, y, w, h);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    gtk->paint_background(widget_type, state, x, y, w, h);
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -292,9 +307,9 @@
 Java_com_sun_java_swing_plaf_gtk_GTKEngine_nativeStartPainting(
         JNIEnv *env, jobject this, jint w, jint h)
 {
-    fp_gdk_threads_enter();
-    gtk2_init_painting(env, w, h);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    gtk->init_painting(env, w, h);
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -308,9 +323,9 @@
 {
     jint transparency;
     gint *buffer = (gint*) (*env)->GetPrimitiveArrayCritical(env, dest, 0);
-    fp_gdk_threads_enter();
-    transparency = gtk2_copy_image(buffer, width, height);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    transparency = gtk->copy_image(buffer, width, height);
+    gtk->gdk_threads_leave();
     (*env)->ReleasePrimitiveArrayCritical(env, dest, buffer, 0);
     return transparency;
 }
@@ -324,7 +339,9 @@
         JNIEnv *env, jobject this)
 {
     // Note that flush_gtk_event_loop takes care of locks (7053002)
-    flush_gtk_event_loop();
+    gtk->gdk_threads_enter();
+    gtk->flush_event_loop();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -336,9 +353,9 @@
         JNIEnv *env, jobject this, jint property)
 {
     jobject obj;
-    fp_gdk_threads_enter();
-    obj = gtk2_get_setting(env, property);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    obj = gtk->get_setting(env, property);
+    gtk->gdk_threads_leave();
     return obj;
 }
 
@@ -352,7 +369,7 @@
         JNIEnv *env, jobject this, jint widget_type,
         jdouble value, jdouble min, jdouble max, jdouble visible)
 {
-    fp_gdk_threads_enter();
-    gtk2_set_range_value(widget_type, value, min, max, visible);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    gtk->set_range_value(widget_type, value, min, max, visible);
+    gtk->gdk_threads_leave();
 }
--- a/src/java.desktop/unix/native/libawt_xawt/awt/swing_GTKStyle.c	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/swing_GTKStyle.c	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,9 +24,12 @@
  */
 
 #include <stdlib.h>
-#include "gtk2_interface.h"
+#include <stdio.h>
+#include "gtk_interface.h"
 #include "com_sun_java_swing_plaf_gtk_GTKStyle.h"
 
+const char *getStrFor(JNIEnv *env, jstring val);
+
 /*
  * Class:     com_sun_java_swing_plaf_gtk_GTKStyle
  * Method:    nativeGetXThickness
@@ -37,9 +40,9 @@
     JNIEnv *env, jclass klass, jint widget_type)
 {
     jint ret;
-    fp_gdk_threads_enter();
-    ret = gtk2_get_xthickness(env, widget_type);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    ret = gtk->get_xthickness(env, widget_type);
+    gtk->gdk_threads_leave();
     return ret;
 }
 
@@ -53,9 +56,9 @@
     JNIEnv *env, jclass klass, jint widget_type)
 {
     jint ret;
-    fp_gdk_threads_enter();
-    ret = gtk2_get_ythickness(env, widget_type);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    ret = gtk->get_ythickness(env, widget_type);
+    gtk->gdk_threads_leave();
     return ret;
 }
 
@@ -70,9 +73,9 @@
     jint state_type, jint type_id)
 {
     jint ret;
-    fp_gdk_threads_enter();
-    ret = gtk2_get_color_for_state(env, widget_type, state_type, type_id);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    ret = gtk->get_color_for_state(env, widget_type, state_type, type_id);
+    gtk->gdk_threads_leave();
     return ret;
 }
 
@@ -86,9 +89,9 @@
     JNIEnv *env, jclass klass, jint widget_type, jstring key)
 {
     jobject ret;
-    fp_gdk_threads_enter();
-    ret = gtk2_get_class_value(env, widget_type, key);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    ret = gtk->get_class_value(env, widget_type, getStrFor(env, key));
+    gtk->gdk_threads_leave();
     return ret;
 }
 
@@ -102,8 +105,8 @@
     JNIEnv *env, jclass klass, jint widget_type)
 {
     jstring ret;
-    fp_gdk_threads_enter();
-    ret = gtk2_get_pango_font_name(env, widget_type);
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    ret = gtk->get_pango_font_name(env, widget_type);
+    gtk->gdk_threads_leave();
     return ret;
 }
--- a/src/java.desktop/unix/native/libawt_xawt/xawt/awt_Desktop.c	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/xawt/awt_Desktop.c	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,7 +24,7 @@
  */
 
 #include "jni_util.h"
-#include "gtk2_interface.h"
+#include "gtk_interface.h"
 #include "gnome_interface.h"
 
 static gboolean gtk_has_been_loaded = FALSE;
@@ -36,14 +36,14 @@
  * Signature: ()Z
  */
 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XDesktopPeer_init
-  (JNIEnv *env, jclass cls)
+  (JNIEnv *env, jclass cls, jint version, jboolean verbose)
 {
 
     if (gtk_has_been_loaded || gnome_has_been_loaded) {
         return JNI_TRUE;
     }
 
-    if (gtk2_load(env) && gtk2_show_uri_load(env)) {
+    if (gtk_load(env, version, verbose) && gtk->show_uri_load(env)) {
         gtk_has_been_loaded = TRUE;
         return JNI_TRUE;
     } else if (gnome_load()) {
@@ -74,9 +74,9 @@
     }
 
     if (gtk_has_been_loaded) {
-        fp_gdk_threads_enter();
-        success = fp_gtk_show_uri(NULL, url_c, GDK_CURRENT_TIME, NULL);
-        fp_gdk_threads_leave();
+        gtk->gdk_threads_enter();
+        success = gtk->gtk_show_uri(NULL, url_c, GDK_CURRENT_TIME, NULL);
+        gtk->gdk_threads_leave();
     } else if (gnome_has_been_loaded) {
         success = (*gnome_url_show)(url_c, NULL);
     }
--- a/src/java.desktop/unix/native/libawt_xawt/xawt/awt_Taskbar.c	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/xawt/awt_Taskbar.c	Mon Apr 25 15:37:31 2016 +0300
@@ -109,7 +109,7 @@
  * Signature: (Ljava/lang/String;)Z
  */
 JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XTaskbarPeer_init
-(JNIEnv *env, jclass cls, jstring jname) {
+(JNIEnv *env, jclass cls, jstring jname, jint version, jboolean verbose) {
     jclass clazz;
 
     jTaskbarCls = (*env)->NewGlobalRef(env, cls);
@@ -121,7 +121,7 @@
     CHECK_NULL_RETURN(
             jMenuItemGetLabel = (*env)->GetMethodID(env, clazz, "getLabel", "()Ljava/lang/String;"), JNI_FALSE);
 
-    if (gtk2_load(env) && unity_load()) {
+    if (gtk_load(env, version, verbose) && unity_load()) {
         const gchar* name = (*env)->GetStringUTFChars(env, jname, NULL);
         if (name) {
             entry = fp_unity_launcher_entry_get_for_desktop_file(name);
@@ -139,9 +139,9 @@
  */
 JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_runloop
 (JNIEnv *env, jclass cls) {
-    fp_gdk_threads_enter();
-    fp_gtk_main();
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_enter();
+    gtk->gtk_main();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -151,14 +151,14 @@
  */
 JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_setBadge
 (JNIEnv *env, jobject obj, jlong value, jboolean visible) {
-    fp_gdk_threads_enter();
+    gtk->gdk_threads_enter();
     fp_unity_launcher_entry_set_count(entry, value);
     fp_unity_launcher_entry_set_count_visible(entry, visible);
     DbusmenuMenuitem* m;
     if (m = fp_unity_launcher_entry_get_quicklist(entry)) {
         fp_unity_launcher_entry_set_quicklist(entry, m);
     }
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -168,13 +168,13 @@
  */
 JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_setUrgent
 (JNIEnv *env, jobject obj, jboolean urgent) {
-    fp_gdk_threads_enter();
+    gtk->gdk_threads_enter();
     fp_unity_launcher_entry_set_urgent(entry, urgent);
     DbusmenuMenuitem* m;
     if (m = fp_unity_launcher_entry_get_quicklist(entry)) {
         fp_unity_launcher_entry_set_quicklist(entry, m);
     }
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 /*
@@ -184,14 +184,14 @@
  */
 JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_updateProgress
 (JNIEnv *env, jobject obj, jdouble value, jboolean visible) {
-    fp_gdk_threads_enter();
+    gtk->gdk_threads_enter();
     fp_unity_launcher_entry_set_progress(entry, value);
     fp_unity_launcher_entry_set_progress_visible(entry, visible);
     DbusmenuMenuitem* m;
     if (m = fp_unity_launcher_entry_get_quicklist(entry)) {
         fp_unity_launcher_entry_set_quicklist(entry, m);
     }
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
 
 void deleteGlobalRef(gpointer data) {
@@ -209,7 +209,7 @@
         }
         elem = (*env)->NewGlobalRef(env, elem);
 
-        globalRefs = fp_g_list_append(globalRefs, elem);
+        globalRefs = gtk->g_list_append(globalRefs, elem);
 
         jstring jlabel = (jstring) (*env)->CallObjectMethod(env, elem, jMenuItemGetLabel);
         if (!(*env)->ExceptionCheck(env) && jlabel) {
@@ -224,7 +224,8 @@
 
                 (*env)->ReleaseStringUTFChars(env, jlabel, label);
                 fp_dbusmenu_menuitem_child_append(menu, mi);
-                fp_g_signal_connect(mi, "item_activated", G_CALLBACK(callback), elem);
+                gtk->g_signal_connect_data(mi, "item_activated",
+                                           G_CALLBACK(callback), elem, NULL, 0);
             }
         }
     }
@@ -238,7 +239,7 @@
 JNIEXPORT void JNICALL Java_sun_awt_X11_XTaskbarPeer_setNativeMenu
 (JNIEnv *env, jobject obj, jobjectArray items) {
 
-    fp_gdk_threads_enter();
+    gtk->gdk_threads_enter();
 
     if (!menu) {
         menu = fp_dbusmenu_menuitem_new();
@@ -247,14 +248,14 @@
     fp_unity_launcher_entry_set_quicklist(entry, menu);
 
     GList* list = fp_dbusmenu_menuitem_take_children(menu);
-    fp_g_list_free_full(list, fp_g_object_unref);
+    gtk->g_list_free_full(list, gtk->g_object_unref);
 
-    fp_g_list_free_full(globalRefs, deleteGlobalRef);
+    gtk->g_list_free_full(globalRefs, deleteGlobalRef);
     globalRefs = NULL;
 
     if (items) {
         fill_menu(env, items);
     }
 
-    fp_gdk_threads_leave();
+    gtk->gdk_threads_leave();
 }
--- a/src/java.desktop/unix/native/libawt_xawt/xawt/awt_Taskbar.h	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/xawt/awt_Taskbar.h	Mon Apr 25 15:37:31 2016 +0300
@@ -26,7 +26,7 @@
 #ifndef AWT_TASKBAR_H
 #define AWT_TASKBAR_H
 
-#include "gtk2_interface.h"
+#include "gtk_interface.h"
 
 typedef void UnityLauncherEntry;
 typedef void DbusmenuMenuitem;
--- a/src/java.desktop/unix/native/libawt_xawt/xawt/gnome_interface.h	Fri Apr 22 01:59:35 2016 +0300
+++ b/src/java.desktop/unix/native/libawt_xawt/xawt/gnome_interface.h	Mon Apr 25 15:37:31 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2016 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,7 +25,7 @@
 
 #ifndef _GNOME_INTERFACE_H
 #define _GNOME_INTERFACE_H
-#include "gtk2_interface.h"
+#include "gtk_interface.h"
 #include <dlfcn.h>
 #include <jvm_md.h>
 #include <jni.h>