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Make wxWindow::HasScrollbar() respect wxScrolled::ShowScrollbars().
[wxWidgets.git] / src / gtk / toplevel.cpp
diff --git a/src/gtk/toplevel.cpp b/src/gtk/toplevel.cpp
index e7a51956d436cd247385a468aebb6b0d5b620314..9e2a4176f94abb4481ce305c98b401e63459592a 100644 (file)
--- a/src/gtk/toplevel.cpp
+++ b/src/gtk/toplevel.cpp
@@ -2,7 +2,6 @@
 // Name:        src/gtk/toplevel.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Name:        src/gtk/toplevel.cpp
 // Purpose:
 // Author:      Robert Roebling
-// Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 // Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -31,25 +30,29 @@
     #include "wx/app.h"
 #endif
 
     #include "wx/app.h"
 #endif
 
-#include "wx/gtk/private.h"
 #include "wx/evtloop.h"
 #include "wx/sysopt.h"
 
 #include <gtk/gtk.h>
 #include "wx/evtloop.h"
 #include "wx/sysopt.h"
 
 #include <gtk/gtk.h>
-#include <gdk/gdkx.h>
+#ifdef GDK_WINDOWING_X11
+    #include <gdk/gdkx.h>
+    #include <X11/Xatom.h>  // XA_CARDINAL
+    #include "wx/unix/utilsx11.h"
+#endif
 
 
+#include "wx/gtk/private.h"
+#include "wx/gtk/private/gtk2-compat.h"
 #include "wx/gtk/private/win_gtk.h"
 
 #include "wx/gtk/private/win_gtk.h"
 
-#include "wx/unix/utilsx11.h"
-
-// XA_CARDINAL
-#include <X11/Xatom.h>
-
 #if wxUSE_LIBHILDON
     #include <hildon-widgets/hildon-program.h>
     #include <hildon-widgets/hildon-window.h>
 #endif // wxUSE_LIBHILDON
 
 #if wxUSE_LIBHILDON
     #include <hildon-widgets/hildon-program.h>
     #include <hildon-widgets/hildon-window.h>
 #endif // wxUSE_LIBHILDON
 
+#if wxUSE_LIBHILDON2
+    #include <hildon/hildon.h>
+#endif // wxUSE_LIBHILDON2
+
 // ----------------------------------------------------------------------------
 // data
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // data
 // ----------------------------------------------------------------------------
@@ -59,8 +62,8 @@ int wxOpenModalDialogsCount = 0;
 
 // the frame that is currently active (i.e. its child has focus). It is
 // used to generate wxActivateEvents
 
 // the frame that is currently active (i.e. its child has focus). It is
 // used to generate wxActivateEvents
-static wxTopLevelWindowGTK *g_activeFrame = (wxTopLevelWindowGTK*) NULL;
-static wxTopLevelWindowGTK *g_lastActiveFrame = (wxTopLevelWindowGTK*) NULL;
+static wxTopLevelWindowGTK *g_activeFrame = NULL;
+static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
 
 // if we detect that the app has got/lost the focus, we set this variable to
 // either TRUE or FALSE and an activate event will be sent during the next
 
 // if we detect that the app has got/lost the focus, we set this variable to
 // either TRUE or FALSE and an activate event will be sent during the next
@@ -68,40 +71,57 @@ static wxTopLevelWindowGTK *g_lastActiveFrame = (wxTopLevelWindowGTK*) NULL;
 // send any activate events at all
 static int g_sendActivateEvent = -1;
 
 // send any activate events at all
 static int g_sendActivateEvent = -1;
 
+#ifdef GDK_WINDOWING_X11
+// Whether _NET_REQUEST_FRAME_EXTENTS support is working
+static enum {
+    RFE_STATUS_UNKNOWN, RFE_STATUS_WORKING, RFE_STATUS_BROKEN
+} gs_requestFrameExtentsStatus;
+
+static bool gs_decorCacheValid;
+#endif
+
 //-----------------------------------------------------------------------------
 // RequestUserAttention related functions
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // RequestUserAttention related functions
 //-----------------------------------------------------------------------------
 
-extern "C" {
+#ifndef __WXGTK3__
 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
                                            gboolean setting)
 {
 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
                                            gboolean setting)
 {
-    wxASSERT_MSG( GTK_WIDGET_REALIZED(win), wxT("wxgtk_window_set_urgency_hint: GdkWindow not realized") );
-    GdkWindow *window = GTK_WIDGET(win)->window;
-    XWMHints *wm_hints;
+#if GTK_CHECK_VERSION(2,7,0)
+    if (gtk_check_version(2,7,0) == NULL)
+        gtk_window_set_urgency_hint(win, setting);
+    else
+#endif
+    {
+#ifdef GDK_WINDOWING_X11
+        GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
+        wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
 
 
-    wm_hints = XGetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window));
+        Display* dpy = GDK_WINDOW_XDISPLAY(window);
+        Window xid = GDK_WINDOW_XID(window);
+        XWMHints* wm_hints = XGetWMHints(dpy, xid);
 
 
-    if (!wm_hints)
-        wm_hints = XAllocWMHints();
+        if (!wm_hints)
+            wm_hints = XAllocWMHints();
 
 
-    if (setting)
-        wm_hints->flags |= XUrgencyHint;
-    else
-        wm_hints->flags &= ~XUrgencyHint;
+        if (setting)
+            wm_hints->flags |= XUrgencyHint;
+        else
+            wm_hints->flags &= ~XUrgencyHint;
 
 
-    XSetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window), wm_hints);
-    XFree(wm_hints);
+        XSetWMHints(dpy, xid, wm_hints);
+        XFree(wm_hints);
+#endif // GDK_WINDOWING_X11
+    }
 }
 }
+#define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
+#endif
 
 
+extern "C" {
 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 {
 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 {
-#if GTK_CHECK_VERSION(2,7,0)
-    if(!gtk_check_version(2,7,0))
-        gtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
-    else
-#endif
-        wxgtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
+    gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
 
     win->m_urgency_hint = -2;
     return FALSE;
 
     win->m_urgency_hint = -2;
     return FALSE;
@@ -143,15 +163,7 @@ static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
             g_source_remove( win->m_urgency_hint );
             // no break, fallthrough to remove hint too
         case -1:
             g_source_remove( win->m_urgency_hint );
             // no break, fallthrough to remove hint too
         case -1:
-#if GTK_CHECK_VERSION(2,7,0)
-            if(!gtk_check_version(2,7,0))
-                gtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
-            else
-#endif
-            {
-                wxgtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
-            }
-
+            gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
             win->m_urgency_hint = -2;
             break;
 
             win->m_urgency_hint = -2;
             break;
 
@@ -177,7 +189,7 @@ gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
                                       GdkEventFocus *WXUNUSED(gdk_event),
                                       wxTopLevelWindowGTK * WXUNUSED(win))
 {
                                       GdkEventFocus *WXUNUSED(gdk_event),
                                       wxTopLevelWindowGTK * WXUNUSED(win))
 {
-    // if the focus goes out of our app alltogether, OnIdle() will send
+    // if the focus goes out of our app altogether, OnIdle() will send
     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
     // g_sendActivateEvent to -1
     g_sendActivateEvent = 0;
     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
     // g_sendActivateEvent to -1
     g_sendActivateEvent = 0;
@@ -200,6 +212,37 @@ gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 }
 }
 
 }
 }
 
+// ----------------------------------------------------------------------------
+// "key_press_event"
+// ----------------------------------------------------------------------------
+
+extern "C" {
+static gboolean
+wxgtk_tlw_key_press_event(GtkWidget *widget, GdkEventKey *event)
+{
+    GtkWindow* const window = GTK_WINDOW(widget);
+
+    // By default GTK+ checks for the menu accelerators in this (top level)
+    // window first and then propagates the event to the currently focused
+    // child from where it bubbles up the window parent chain. In wxWidgets,
+    // however, we want the child window to have the event first but still
+    // handle it as an accelerator if it's not processed there, so we need to
+    // customize this by reversing the order of the steps done in the standard
+    // GTK+ gtk_window_key_press_event() handler.
+
+    if ( gtk_window_propagate_key_event(window, event) )
+        return TRUE;
+
+    if ( gtk_window_activate_key(window, event) )
+        return TRUE;
+
+    if (GTK_WIDGET_GET_CLASS(widget)->key_press_event(widget, event))
+        return TRUE;
+
+    return FALSE;
+}
+}
+
 //-----------------------------------------------------------------------------
 // "size_allocate" from m_wxwindow
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // "size_allocate" from m_wxwindow
 //-----------------------------------------------------------------------------
@@ -208,15 +251,18 @@ extern "C" {
 static void
 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 {
 static void
 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 {
-    if (win->m_oldClientWidth  != alloc->width ||
-        win->m_oldClientHeight != alloc->height)
+    win->m_useCachedClientSize = true;
+    if (win->m_clientWidth  != alloc->width ||
+        win->m_clientHeight != alloc->height)
     {
     {
-        win->m_oldClientWidth  = alloc->width;
-        win->m_oldClientHeight = alloc->height;
-
-        wxSize size(win->m_widget->allocation.width,
-                    win->m_widget->allocation.height);
-        size += win->m_decorSize;
+        win->m_clientWidth  = alloc->width;
+        win->m_clientHeight = alloc->height;
+
+        GtkAllocation a;
+        gtk_widget_get_allocation(win->m_widget, &a);
+        wxSize size(a.width, a.height);
+        size.x += win->m_decorSize.left + win->m_decorSize.right;
+        size.y += win->m_decorSize.top + win->m_decorSize.bottom;
         win->m_width  = size.x;
         win->m_height = size.y;
 
         win->m_width  = size.x;
         win->m_height = size.y;
 
@@ -231,22 +277,6 @@ size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 }
 }
 
 }
 }
 
-// ----------------------------------------------------------------------------
-// "size_request"
-// ----------------------------------------------------------------------------
-
-extern "C" {
-static
-void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
-                                     GtkRequisition *requisition,
-                                     wxTopLevelWindowGTK *win)
-{
-    // we must return the size of the window without WM decorations, otherwise
-    // GTK+ gets confused, so don't call just GetSize() here
-    win->GTKDoGetSize(&requisition->width, &requisition->height);
-}
-}
-
 //-----------------------------------------------------------------------------
 // "delete_event"
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // "delete_event"
 //-----------------------------------------------------------------------------
@@ -272,58 +302,70 @@ gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 
 extern "C" {
 static gboolean
 
 extern "C" {
 static gboolean
-gtk_frame_configure_callback( GtkWidget* widget,
-                              GdkEventConfigure *WXUNUSED(event),
+gtk_frame_configure_callback( GtkWidget*,
+                              GdkEventConfigure* gdk_event,
                               wxTopLevelWindowGTK *win )
 {
                               wxTopLevelWindowGTK *win )
 {
-    if (!win->m_hasVMT || !win->IsShown())
-        return FALSE;
+    win->GTKConfigureEvent(gdk_event->x, gdk_event->y);
+    return false;
+}
+}
 
 
+void wxTopLevelWindowGTK::GTKConfigureEvent(int x, int y)
+{
     wxPoint point;
     wxPoint point;
-    gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
-
-    win->m_x = point.x;
-    win->m_y = point.y;
-    wxMoveEvent mevent(point, win->GetId());
-    mevent.SetEventObject( win );
-    win->HandleWindowEvent( mevent );
+#ifdef GDK_WINDOWING_X11
+    if (gs_decorCacheValid)
+    {
+        const DecorSize& decorSize = GetCachedDecorSize();
+        point.x = x - decorSize.left;
+        point.y = y - decorSize.top;
+    }
+    else
+#endif
+    {
+        gtk_window_get_position(GTK_WINDOW(m_widget), &point.x, &point.y);
+    }
 
 
-    return FALSE;
-}
+    if (m_x != point.x || m_y != point.y)
+    {
+        m_x = point.x;
+        m_y = point.y;
+        wxMoveEvent event(point, GetId());
+        event.SetEventObject(this);
+        HandleWindowEvent(event);
+    }
 }
 
 //-----------------------------------------------------------------------------
 // "realize" from m_widget
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // "realize" from m_widget
 //-----------------------------------------------------------------------------
 
-// we cannot MWM hints and icons before the widget has been realized,
+// we cannot the WM hints and icons before the widget has been realized,
 // so we do this directly after realization
 
 // so we do this directly after realization
 
-extern "C" {
-static void
-gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
-                             wxTopLevelWindowGTK *win )
+void wxTopLevelWindowGTK::GTKHandleRealized()
 {
 {
-    // All this is for Motif Window Manager "hints" and is supposed to be
-    // recognized by other WM as well. Not tested.
-    gdk_window_set_decorations(win->m_widget->window,
-                               (GdkWMDecoration)win->m_gdkDecor);
-    gdk_window_set_functions(win->m_widget->window,
-                               (GdkWMFunction)win->m_gdkFunc);
-
-    // GTK's shrinking/growing policy
-    if ((win->m_gdkFunc & GDK_FUNC_RESIZE) == 0)
-        gtk_window_set_resizable(GTK_WINDOW(win->m_widget), FALSE);
-    else
-        gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
+    wxNonOwnedWindow::GTKHandleRealized();
 
 
-    const wxIconBundle& icons = win->GetIcons();
+    gdk_window_set_decorations(gtk_widget_get_window(m_widget),
+                               (GdkWMDecoration)m_gdkDecor);
+    gdk_window_set_functions(gtk_widget_get_window(m_widget),
+                               (GdkWMFunction)m_gdkFunc);
+
+    const wxIconBundle& icons = GetIcons();
     if (icons.GetIconCount())
     if (icons.GetIconCount())
-        win->SetIcons(icons);
+        SetIcons(icons);
 
 
-    if (win->HasFlag(wxFRAME_SHAPED))
-        win->SetShape(win->m_shape); // it will really set the window shape now
-}
+#ifdef __WXGTK3__
+    if (gtk_window_get_has_resize_grip(GTK_WINDOW(m_widget)))
+    {
+        // Grip window can end up obscured, probably due to deferred show.
+        // Reset grip to ensure it is visible.
+        gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), false);
+        gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), true);
+    }
+#endif
 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------
@@ -337,9 +379,6 @@ gtk_frame_map_callback( GtkWidget*,
                         wxTopLevelWindow *win )
 {
     const bool wasIconized = win->IsIconized();
                         wxTopLevelWindow *win )
 {
     const bool wasIconized = win->IsIconized();
-
-    win->SetIconizeState(false);
-
     if (wasIconized)
     {
         // Because GetClientSize() returns (0,0) when IsIconized() is true,
     if (wasIconized)
     {
         // Because GetClientSize() returns (0,0) when IsIconized() is true,
@@ -348,25 +387,49 @@ gtk_frame_map_callback( GtkWidget*,
         // tlw that was "rolled up" with some WMs.
         // Queue a resize rather than sending size event directly to allow
         // children to be made visible first.
         // tlw that was "rolled up" with some WMs.
         // Queue a resize rather than sending size event directly to allow
         // children to be made visible first.
-        win->m_oldClientWidth = 0;
+        win->m_useCachedClientSize = false;
+        win->m_clientWidth = 0;
         gtk_widget_queue_resize(win->m_wxwindow);
     }
         gtk_widget_queue_resize(win->m_wxwindow);
     }
+    // it is possible for m_isShown to be false here, see bug #9909
+    if (win->wxWindowBase::Show(true))
+    {
+        wxShowEvent eventShow(win->GetId(), true);
+        eventShow.SetEventObject(win);
+        win->GetEventHandler()->ProcessEvent(eventShow);
+    }
+
+    // restore focus-on-map setting in case ShowWithoutActivating() was called
+    gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
 
     return false;
 }
 }
 
 //-----------------------------------------------------------------------------
 
     return false;
 }
 }
 
 //-----------------------------------------------------------------------------
-// "unmap_event" from m_widget
+// "window-state-event" from m_widget
 //-----------------------------------------------------------------------------
 
 extern "C" {
 static gboolean
 //-----------------------------------------------------------------------------
 
 extern "C" {
 static gboolean
-gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
-                          GdkEvent * WXUNUSED(event),
+gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
+                          GdkEventWindowState *event,
                           wxTopLevelWindow *win )
 {
                           wxTopLevelWindow *win )
 {
-    win->SetIconizeState(true);
+    if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
+        win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
+
+    // if maximized bit changed and it is now set
+    if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
+    {
+        wxMaximizeEvent evt(win->GetId());
+        evt.SetEventObject(win);
+        win->HandleWindowEvent(evt);
+    }
+
+    if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
+        win->m_fsIsShowing = (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) != 0;
+
     return false;
 }
 }
     return false;
 }
 }
@@ -375,16 +438,17 @@ gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
 
 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 {
 
 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 {
+#ifdef GDK_WINDOWING_X11
     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
-    Atom xproperty = gdk_x11_atom_to_xatom_for_display(
-                        gdk_drawable_get_display(window), property);
+    GdkDisplay* display = gdk_window_get_display(window);
+    Atom xproperty = gdk_x11_atom_to_xatom_for_display(display, property);
     Atom type;
     int format;
     gulong nitems, bytes_after;
     guchar* data;
     Status status = XGetWindowProperty(
     Atom type;
     int format;
     gulong nitems, bytes_after;
     guchar* data;
     Status status = XGetWindowProperty(
-        gdk_x11_drawable_get_xdisplay(window),
-        gdk_x11_drawable_get_xid(window),
+        GDK_DISPLAY_XDISPLAY(display),
+        GDK_WINDOW_XID(window),
         xproperty,
         0, 4, false, XA_CARDINAL,
         &type, &format, &nitems, &bytes_after, &data);
         xproperty,
         0, 4, false, XA_CARDINAL,
         &type, &format, &nitems, &bytes_after, &data);
@@ -400,8 +464,12 @@ bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int*
     if (data)
         XFree(data);
     return success;
     if (data)
         XFree(data);
     return success;
+#else
+    return false;
+#endif
 }
 
 }
 
+#ifdef GDK_WINDOWING_X11
 //-----------------------------------------------------------------------------
 // "property_notify_event" from m_widget
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // "property_notify_event" from m_widget
 //-----------------------------------------------------------------------------
@@ -414,21 +482,41 @@ static gboolean property_notify_event(
     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
     {
     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
     {
-        int left, right, top, bottom;
-        if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
+        if (win->m_netFrameExtentsTimerId)
         {
         {
-            const wxSize decorSize =
-                wxSize(left + right, top + bottom);
-            win->GTKUpdateDecorSize(decorSize);
+            // WM support for _NET_REQUEST_FRAME_EXTENTS is working
+            gs_requestFrameExtentsStatus = RFE_STATUS_WORKING;
+            g_source_remove(win->m_netFrameExtentsTimerId);
+            win->m_netFrameExtentsTimerId = 0;
         }
         }
+
+        wxTopLevelWindowGTK::DecorSize decorSize = win->m_decorSize;
+        gs_decorCacheValid = wxGetFrameExtents(event->window,
+            &decorSize.left, &decorSize.right, &decorSize.top, &decorSize.bottom);
+
+        win->GTKUpdateDecorSize(decorSize);
     }
     return false;
 }
 }
 
     }
     return false;
 }
 }
 
-BEGIN_EVENT_TABLE(wxTopLevelWindowGTK, wxTopLevelWindowBase)
-    EVT_SYS_COLOUR_CHANGED(wxTopLevelWindowGTK::OnSysColourChanged)
-END_EVENT_TABLE()
+extern "C" {
+static gboolean request_frame_extents_timeout(void* data)
+{
+    // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
+    gs_requestFrameExtentsStatus = RFE_STATUS_BROKEN;
+    gdk_threads_enter();
+    wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
+    win->m_netFrameExtentsTimerId = 0;
+    wxTopLevelWindowGTK::DecorSize decorSize = win->m_decorSize;
+    wxGetFrameExtents(gtk_widget_get_window(win->m_widget),
+        &decorSize.left, &decorSize.right, &decorSize.top, &decorSize.bottom);
+    win->GTKUpdateDecorSize(decorSize);
+    gdk_threads_leave();
+    return false;
+}
+}
+#endif // GDK_WINDOWING_X11
 
 // ----------------------------------------------------------------------------
 // wxTopLevelWindowGTK creation
 
 // ----------------------------------------------------------------------------
 // wxTopLevelWindowGTK creation
@@ -436,13 +524,19 @@ END_EVENT_TABLE()
 
 void wxTopLevelWindowGTK::Init()
 {
 
 void wxTopLevelWindowGTK::Init()
 {
-    m_mainWidget = (GtkWidget*) NULL;
+    m_mainWidget = NULL;
     m_isIconized = false;
     m_fsIsShowing = false;
     m_themeEnabled = true;
     m_isIconized = false;
     m_fsIsShowing = false;
     m_themeEnabled = true;
-    m_gdkDecor = m_gdkFunc = 0;
+    m_gdkDecor =
+    m_gdkFunc = 0;
     m_grabbed = false;
     m_deferShow = true;
     m_grabbed = false;
     m_deferShow = true;
+    m_deferShowAllowed = true;
+    m_updateDecorSize = true;
+    m_netFrameExtentsTimerId = 0;
+    m_incWidth = m_incHeight = 0;
+    memset(&m_decorSize, 0, sizeof(m_decorSize));
 
     m_urgency_hint = -2;
 }
 
     m_urgency_hint = -2;
 }
@@ -455,11 +549,7 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
                                   long style,
                                   const wxString &name )
 {
                                   long style,
                                   const wxString &name )
 {
-    // always create a frame of some reasonable, even if arbitrary, size (at
-    // least for MSW compatibility)
-    wxSize size = sizeOrig;
-    size.x = WidthDefault(size.x);
-    size.y = HeightDefault(size.y);
+    const wxSize size(WidthDefault(sizeOrig.x), HeightDefault(sizeOrig.y));
 
     wxTopLevelWindows.Append( this );
 
 
     wxTopLevelWindows.Append( this );
 
@@ -476,14 +566,14 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
     //     e.g. in wxTaskBarIconAreaGTK
     if (m_widget == NULL)
     {
     //     e.g. in wxTaskBarIconAreaGTK
     if (m_widget == NULL)
     {
-#if wxUSE_LIBHILDON
+#if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
         // we must create HildonWindow and not a normal GtkWindow as the latter
         // doesn't look correctly in Maemo environment and it must also be
         // registered with the main program object
         m_widget = hildon_window_new();
         hildon_program_add_window(wxTheApp->GetHildonProgram(),
                                   HILDON_WINDOW(m_widget));
         // we must create HildonWindow and not a normal GtkWindow as the latter
         // doesn't look correctly in Maemo environment and it must also be
         // registered with the main program object
         m_widget = hildon_window_new();
         hildon_program_add_window(wxTheApp->GetHildonProgram(),
                                   HILDON_WINDOW(m_widget));
-#else // !wxUSE_LIBHILDON
+#else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
         {
         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
         {
@@ -510,7 +600,7 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
                 style |= wxFRAME_NO_TASKBAR;
             }
         }
                 style |= wxFRAME_NO_TASKBAR;
             }
         }
-#endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
+#endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 
         g_object_ref(m_widget);
     }
 
         g_object_ref(m_widget);
     }
@@ -533,6 +623,8 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
     {
         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
     }
     {
         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
     }
+    if (style & wxMAXIMIZE)
+        gtk_window_maximize(GTK_WINDOW(m_widget));
 
 #if 0
     if (!name.empty())
 
 #if 0
     if (!name.empty())
@@ -540,48 +632,46 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 #endif
 
     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 #endif
 
     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
-    GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
+    gtk_widget_set_can_focus(m_widget, false);
 
     g_signal_connect (m_widget, "delete_event",
                       G_CALLBACK (gtk_frame_delete_callback), this);
 
     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 
     g_signal_connect (m_widget, "delete_event",
                       G_CALLBACK (gtk_frame_delete_callback), this);
 
     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
-    m_mainWidget = gtk_vbox_new(false, 0);
+    m_mainWidget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
     gtk_widget_show( m_mainWidget );
     gtk_widget_show( m_mainWidget );
-    GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
+    gtk_widget_set_can_focus(m_mainWidget, false);
     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 
     // m_wxwindow is the client area
     m_wxwindow = wxPizza::New();
     gtk_widget_show( m_wxwindow );
     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 
     // m_wxwindow is the client area
     m_wxwindow = wxPizza::New();
     gtk_widget_show( m_wxwindow );
-    gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
+    gtk_box_pack_start(GTK_BOX(m_mainWidget), m_wxwindow, true, true, 0);
 
     // we donm't allow the frame to get the focus as otherwise
     // the frame will grab it at arbitrary focus changes
 
     // we donm't allow the frame to get the focus as otherwise
     // the frame will grab it at arbitrary focus changes
-    GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
+    gtk_widget_set_can_focus(m_wxwindow, false);
 
     if (m_parent) m_parent->AddChild( this );
 
     g_signal_connect(m_wxwindow, "size_allocate",
         G_CALLBACK(size_allocate), this);
 
 
     if (m_parent) m_parent->AddChild( this );
 
     g_signal_connect(m_wxwindow, "size_allocate",
         G_CALLBACK(size_allocate), this);
 
-    g_signal_connect (m_widget, "size_request",
-                      G_CALLBACK (wxgtk_tlw_size_request_callback), this);
     PostCreation();
 
     PostCreation();
 
-    if ((m_x != -1) || (m_y != -1))
+#ifndef __WXGTK3__
+    if (pos != wxDefaultPosition)
         gtk_widget_set_uposition( m_widget, m_x, m_y );
         gtk_widget_set_uposition( m_widget, m_x, m_y );
+#endif
 
 
-    //  we cannot set MWM hints and icons before the widget has
-    //  been realized, so we do this directly after realization
-    g_signal_connect (m_widget, "realize",
-                      G_CALLBACK (gtk_frame_realized_callback), this);
-
-    // map and unmap for iconized state
+    // for some reported size corrections
     g_signal_connect (m_widget, "map_event",
                       G_CALLBACK (gtk_frame_map_callback), this);
     g_signal_connect (m_widget, "map_event",
                       G_CALLBACK (gtk_frame_map_callback), this);
-    g_signal_connect (m_widget, "unmap_event",
-                      G_CALLBACK (gtk_frame_unmap_callback), this);
+
+    // for iconized state
+    g_signal_connect (m_widget, "window_state_event",
+                      G_CALLBACK (gtk_frame_window_state_callback), this);
+
 
     // for wxMoveEvent
     g_signal_connect (m_widget, "configure_event",
 
     // for wxMoveEvent
     g_signal_connect (m_widget, "configure_event",
@@ -593,52 +683,72 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
     g_signal_connect_after (m_widget, "focus_out_event",
                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 
     g_signal_connect_after (m_widget, "focus_out_event",
                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 
-    gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
-    g_signal_connect(m_widget, "property_notify_event",
-        G_CALLBACK(property_notify_event), this);
+    // We need to customize the default GTK+ logic for key processing to make
+    // it conforming to wxWidgets event processing order.
+    g_signal_connect (m_widget, "key_press_event",
+                      G_CALLBACK (wxgtk_tlw_key_press_event), NULL);
+
+#ifdef GDK_WINDOWING_X11
+#ifdef __WXGTK3__
+    if (GDK_IS_X11_SCREEN(gtk_window_get_screen(GTK_WINDOW(m_widget))))
+#endif
+    {
+        gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
+        g_signal_connect(m_widget, "property_notify_event",
+            G_CALLBACK(property_notify_event), this);
+    }
+#endif // GDK_WINDOWING_X11
+
+    // translate wx decorations styles into Motif WM hints (they are recognized
+    // by other WMs as well)
+
+    // always enable moving the window as we have no separate flag for enabling
+    // it
+    m_gdkFunc = GDK_FUNC_MOVE;
+
+    if ( style & wxCLOSE_BOX )
+        m_gdkFunc |= GDK_FUNC_CLOSE;
+
+    if ( style & wxMINIMIZE_BOX )
+        m_gdkFunc |= GDK_FUNC_MINIMIZE;
+
+    if ( style & wxMAXIMIZE_BOX )
+        m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 
 
-    // decorations
-    if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
+    if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
     {
         m_gdkDecor = 0;
     {
         m_gdkDecor = 0;
-        m_gdkFunc = 0;
     }
     }
-    else
+    else // have border
     {
         m_gdkDecor = GDK_DECOR_BORDER;
     {
         m_gdkDecor = GDK_DECOR_BORDER;
-        m_gdkFunc = GDK_FUNC_MOVE;
 
 
-        // All this is for Motif Window Manager "hints" and is supposed to be
-        // recognized by other WMs as well.
-        if ((style & wxCAPTION) != 0)
-        {
+        if ( style & wxCAPTION )
             m_gdkDecor |= GDK_DECOR_TITLE;
             m_gdkDecor |= GDK_DECOR_TITLE;
-        }
-        if ((style & wxCLOSE_BOX) != 0)
-        {
-            m_gdkFunc |= GDK_FUNC_CLOSE;
-        }
-        if ((style & wxSYSTEM_MENU) != 0)
-        {
+
+        if ( style & wxSYSTEM_MENU )
             m_gdkDecor |= GDK_DECOR_MENU;
             m_gdkDecor |= GDK_DECOR_MENU;
-        }
-        if ((style & wxMINIMIZE_BOX) != 0)
-        {
-            m_gdkFunc |= GDK_FUNC_MINIMIZE;
+
+        if ( style & wxMINIMIZE_BOX )
             m_gdkDecor |= GDK_DECOR_MINIMIZE;
             m_gdkDecor |= GDK_DECOR_MINIMIZE;
-        }
-        if ((style & wxMAXIMIZE_BOX) != 0)
-        {
-            m_gdkFunc |= GDK_FUNC_MAXIMIZE;
+
+        if ( style & wxMAXIMIZE_BOX )
             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
-        }
-        if ((style & wxRESIZE_BORDER) != 0)
+
+        if ( style & wxRESIZE_BORDER )
         {
            m_gdkFunc |= GDK_FUNC_RESIZE;
            m_gdkDecor |= GDK_DECOR_RESIZEH;
         }
     }
 
         {
            m_gdkFunc |= GDK_FUNC_RESIZE;
            m_gdkDecor |= GDK_DECOR_RESIZEH;
         }
     }
 
+    if ((style & wxRESIZE_BORDER) == 0)
+        gtk_window_set_resizable(GTK_WINDOW(m_widget), false);
+#ifndef __WXGTK3__
+    else
+        gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
+#endif
+
     m_decorSize = GetCachedDecorSize();
     int w, h;
     GTKDoGetSize(&w, &h);
     m_decorSize = GetCachedDecorSize();
     int w, h;
     GTKDoGetSize(&w, &h);
@@ -649,22 +759,29 @@ bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 
 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 {
 
 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 {
-#if wxUSE_LIBHILDON
+    if ( m_netFrameExtentsTimerId )
+    {
+        // Don't let the timer callback fire as the window pointer passed to it
+        // will become invalid very soon.
+        g_source_remove(m_netFrameExtentsTimerId);
+    }
+
+#if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
     // it can also be a (standard) dialog
     if ( HILDON_IS_WINDOW(m_widget) )
     {
         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
                                      HILDON_WINDOW(m_widget));
     }
     // it can also be a (standard) dialog
     if ( HILDON_IS_WINDOW(m_widget) )
     {
         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
                                      HILDON_WINDOW(m_widget));
     }
-#endif // wxUSE_LIBHILDON
+#endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 
     if (m_grabbed)
     {
 
     if (m_grabbed)
     {
-        wxFAIL_MSG(_T("Window still grabbed"));
+        wxFAIL_MSG(wxT("Window still grabbed"));
         RemoveGrab();
     }
 
         RemoveGrab();
     }
 
-    m_isBeingDeleted = true;
+    SendDestroyEvent();
 
     // it may also be GtkScrolledWindow in the case of an MDI child
     if (GTK_IS_WINDOW(m_widget))
 
     // it may also be GtkScrolledWindow in the case of an MDI child
     if (GTK_IS_WINDOW(m_widget))
@@ -685,8 +802,9 @@ bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
     else
         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 
     else
         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 
-    if (GTK_WIDGET_REALIZED(m_widget) && (m_widget->window))
-        gdk_window_set_functions( m_widget->window, (GdkWMFunction)m_gdkFunc );
+    GdkWindow* window = gtk_widget_get_window(m_widget);
+    if (window)
+        gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 
     return true;
 }
 
     return true;
 }
@@ -698,32 +816,37 @@ bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 
     m_fsIsShowing = show;
 
 
     m_fsIsShowing = show;
 
-    wxX11FullScreenMethod method =
-        wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
-                                 (WXWindow)GDK_ROOT_WINDOW());
+#ifdef GDK_WINDOWING_X11
+    Display* xdpy = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget));
+    Window xroot = GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget));
+    wxX11FullScreenMethod method = wxGetFullScreenMethodX11(xdpy, (WXWindow)xroot);
 
     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
     //     to switch to fullscreen, which is not always available. We must
     //     check if WM supports the spec and use legacy methods if it
     //     doesn't.
     if ( method == wxX11_FS_WMSPEC )
 
     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
     //     to switch to fullscreen, which is not always available. We must
     //     check if WM supports the spec and use legacy methods if it
     //     doesn't.
     if ( method == wxX11_FS_WMSPEC )
+#endif // GDK_WINDOWING_X11
     {
         if (show)
             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
         else
             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
     }
     {
         if (show)
             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
         else
             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
     }
+#ifdef GDK_WINDOWING_X11
     else
     {
     else
     {
-        GdkWindow *window = m_widget->window;
+        GdkWindow* window = gtk_widget_get_window(m_widget);
+        Window xid = GDK_WINDOW_XID(window);
 
         if (show)
         {
             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 
 
         if (show)
         {
             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 
-            int screen_width,screen_height;
-            wxDisplaySize( &screen_width, &screen_height );
+            GdkScreen* screen = gtk_widget_get_screen(m_widget);
+            const int screen_width = gdk_screen_get_width(screen);
+            const int screen_height = gdk_screen_get_height(screen);
 
             gint client_x, client_y, root_x, root_y;
             gint width, height;
 
             gint client_x, client_y, root_x, root_y;
             gint width, height;
@@ -734,16 +857,15 @@ bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
             gdk_window_set_decorations(window, (GdkWMDecoration)0);
             gdk_window_set_functions(window, (GdkWMFunction)0);
 
             gdk_window_set_decorations(window, (GdkWMDecoration)0);
             gdk_window_set_functions(window, (GdkWMFunction)0);
 
-            gdk_window_get_origin (m_widget->window, &root_x, &root_y);
-            gdk_window_get_geometry (m_widget->window, &client_x, &client_y,
-                         &width, &height, NULL);
+            gdk_window_get_origin(window, &root_x, &root_y);
+            gdk_window_get_geometry(window, &client_x, &client_y, &width, &height);
 
 
-            gdk_window_move_resize (m_widget->window, -client_x, -client_y,
-                        screen_width + 1, screen_height + 1);
+            gdk_window_move_resize(
+                window, -client_x, -client_y, screen_width + 1, screen_height + 1);
 
 
-            wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
-                                    (WXWindow)GDK_ROOT_WINDOW(),
-                                    (WXWindow)GDK_WINDOW_XWINDOW(window),
+            wxSetFullScreenStateX11(xdpy,
+                                    (WXWindow)xroot,
+                                    (WXWindow)xid,
                                     show, &m_fsSaveFrame, method);
         }
         else // hide
                                     show, &m_fsSaveFrame, method);
         }
         else // hide
@@ -753,15 +875,16 @@ bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 
             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 
-            wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
-                                    (WXWindow)GDK_ROOT_WINDOW(),
-                                    (WXWindow)GDK_WINDOW_XWINDOW(window),
+            wxSetFullScreenStateX11(xdpy,
+                                    (WXWindow)xroot,
+                                    (WXWindow)xid,
                                     show, &m_fsSaveFrame, method);
 
             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
                     m_fsSaveFrame.width, m_fsSaveFrame.height);
         }
     }
                                     show, &m_fsSaveFrame, method);
 
             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
                     m_fsSaveFrame.width, m_fsSaveFrame.height);
         }
     }
+#endif // GDK_WINDOWING_X11
 
     // documented behaviour is to show the window if it's still hidden when
     // showing it full screen
 
     // documented behaviour is to show the window if it's still hidden when
     // showing it full screen
@@ -775,22 +898,48 @@ bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 // overridden wxWindow methods
 // ----------------------------------------------------------------------------
 
 // overridden wxWindow methods
 // ----------------------------------------------------------------------------
 
+void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
+{
+    wxCHECK_RET( m_widget, wxT("invalid frame") );
+
+    gtk_widget_queue_draw( m_widget );
+
+    GdkWindow* window = NULL;
+    if (m_wxwindow)
+        window = gtk_widget_get_window(m_wxwindow);
+    if (window)
+        gdk_window_invalidate_rect(window, NULL, true);
+}
+
 bool wxTopLevelWindowGTK::Show( bool show )
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 
 bool wxTopLevelWindowGTK::Show( bool show )
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 
-    bool deferShow = show && m_deferShow && !m_isShown;
+#ifdef GDK_WINDOWING_X11
+    bool deferShow = show && !m_isShown && m_deferShow;
     if (deferShow)
     {
     if (deferShow)
     {
-        m_deferShow =
-        deferShow = !GTK_WIDGET_REALIZED(m_widget) &&
-            gdk_x11_screen_supports_net_wm_hint(
-                gtk_widget_get_screen(m_widget),
-                gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false)) &&
+        deferShow = m_deferShowAllowed &&
+            gs_requestFrameExtentsStatus != RFE_STATUS_BROKEN &&
+            !gtk_widget_get_realized(m_widget) &&
             g_signal_handler_find(m_widget,
                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
                 0, NULL, NULL, this);
             g_signal_handler_find(m_widget,
                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
                 0, NULL, NULL, this);
+        if (deferShow)
+        {
+            GdkScreen* screen = gtk_widget_get_screen(m_widget);
+            GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
+            deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
+
+            // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
+            // to m_decorSize, it breaks saving/restoring window size with
+            // GetSize()/SetSize() because it makes window bigger between each
+            // restore and save.
+            m_updateDecorSize = deferShow;
+        }
+
+        m_deferShow = deferShow;
     }
     if (deferShow)
     {
     }
     if (deferShow)
     {
@@ -805,33 +954,51 @@ bool wxTopLevelWindowGTK::Show( bool show )
         // causes the widget tree to be size_allocated, which generates size
         // events in the wrong order. However, the size_allocates will not be
         // done if the allocation is not the default (1,1).
         // causes the widget tree to be size_allocated, which generates size
         // events in the wrong order. However, the size_allocates will not be
         // done if the allocation is not the default (1,1).
-        const int alloc_width = m_widget->allocation.width;
+        GtkAllocation alloc;
+        gtk_widget_get_allocation(m_widget, &alloc);
+        const int alloc_width = alloc.width;
         if (alloc_width == 1)
         if (alloc_width == 1)
-            m_widget->allocation.width = 2;
+        {
+            alloc.width = 2;
+            gtk_widget_set_allocation(m_widget, &alloc);
+        }
         gtk_widget_realize(m_widget);
         if (alloc_width == 1)
         gtk_widget_realize(m_widget);
         if (alloc_width == 1)
-            m_widget->allocation.width = 1;
+        {
+            alloc.width = 1;
+            gtk_widget_set_allocation(m_widget, &alloc);
+        }
 
         // send _NET_REQUEST_FRAME_EXTENTS
         XClientMessageEvent xevent;
         memset(&xevent, 0, sizeof(xevent));
         xevent.type = ClientMessage;
 
         // send _NET_REQUEST_FRAME_EXTENTS
         XClientMessageEvent xevent;
         memset(&xevent, 0, sizeof(xevent));
         xevent.type = ClientMessage;
-        xevent.window = gdk_x11_drawable_get_xid(m_widget->window);
+        GdkWindow* window = gtk_widget_get_window(m_widget);
+        xevent.window = GDK_WINDOW_XID(window);
         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
-            gdk_drawable_get_display(m_widget->window),
+            gdk_window_get_display(window),
             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
         xevent.format = 32;
             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
         xevent.format = 32;
-        Display* display = gdk_x11_drawable_get_xdisplay(m_widget->window);
+        Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
         XSendEvent(display, DefaultRootWindow(display), false,
             SubstructureNotifyMask | SubstructureRedirectMask,
             (XEvent*)&xevent);
 
         XSendEvent(display, DefaultRootWindow(display), false,
             SubstructureNotifyMask | SubstructureRedirectMask,
             (XEvent*)&xevent);
 
+        if (gs_requestFrameExtentsStatus == RFE_STATUS_UNKNOWN)
+        {
+            // if WM does not respond to request within 1 second,
+            // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
+            m_netFrameExtentsTimerId =
+                g_timeout_add(1000, request_frame_extents_timeout, this);
+        }
+
         // defer calling gtk_widget_show()
         m_isShown = true;
         return true;
     }
         // defer calling gtk_widget_show()
         m_isShown = true;
         return true;
     }
+#endif // GDK_WINDOWING_X11
 
 
-    if (show && !GTK_WIDGET_REALIZED(m_widget))
+    if (show && !gtk_widget_get_realized(m_widget))
     {
         // size_allocate signals occur in reverse order (bottom to top).
         // Things work better if the initial wxSizeEvents are sent (from the
     {
         // size_allocate signals occur in reverse order (bottom to top).
         // Things work better if the initial wxSizeEvents are sent (from the
@@ -841,7 +1008,7 @@ bool wxTopLevelWindowGTK::Show( bool show )
         HandleWindowEvent(event);
     }
 
         HandleWindowEvent(event);
     }
 
-    bool change = wxTopLevelWindowBase::Show(show);
+    bool change = base_type::Show(show);
 
     if (change && !show)
     {
 
     if (change && !show)
     {
@@ -854,6 +1021,15 @@ bool wxTopLevelWindowGTK::Show( bool show )
     return change;
 }
 
     return change;
 }
 
+void wxTopLevelWindowGTK::ShowWithoutActivating()
+{
+    if (!m_isShown)
+    {
+        gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
+        Show(true);
+    }
+}
+
 void wxTopLevelWindowGTK::Raise()
 {
     gtk_window_present( GTK_WINDOW( m_widget ) );
 void wxTopLevelWindowGTK::Raise()
 {
     gtk_window_present( GTK_WINDOW( m_widget ) );
@@ -871,11 +1047,29 @@ void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXU
 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 {
     wxSize size(m_width, m_height);
 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 {
     wxSize size(m_width, m_height);
-    size -= m_decorSize;
+    size.x -= m_decorSize.left + m_decorSize.right;
+    size.y -= m_decorSize.top + m_decorSize.bottom;
     if (size.x < 0) size.x = 0;
     if (size.y < 0) size.y = 0;
     if (size.x < 0) size.x = 0;
     if (size.y < 0) size.y = 0;
+#if wxUSE_LIBHILDON2
+    if (width) {
+       if (size.x == 720)
+               *width = 696;
+       else
+               *width = size.x;
+    }
+    if (height) {
+       if (size.y == 420)
+               *height = 396;
+       else if (size.y == 270)
+               *height = 246;
+            else
+               *height = size.y;
+    }
+#else // wxUSE_LIBHILDON2
     if (width)  *width  = size.x;
     if (height) *height = size.y;
     if (width)  *width  = size.x;
     if (height) *height = size.y;
+#endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
 }
 
 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 }
 
 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
@@ -903,6 +1097,9 @@ void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int si
     if ( m_x != old_x || m_y != old_y )
     {
         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
     if ( m_x != old_x || m_y != old_y )
     {
         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
+        wxMoveEvent event(wxPoint(m_x, m_y), GetId());
+        event.SetEventObject(this);
+        HandleWindowEvent(event);
     }
 
     const wxSize oldSize(m_width, m_height);
     }
 
     const wxSize oldSize(m_width, m_height);
@@ -911,13 +1108,18 @@ void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int si
     if (height >= 0)
         m_height = height;
     ConstrainSize();
     if (height >= 0)
         m_height = height;
     ConstrainSize();
+    if (m_width < 1) m_width = 1;
+    if (m_height < 1) m_height = 1;
     if (m_width != oldSize.x || m_height != oldSize.y)
     {
     if (m_width != oldSize.x || m_height != oldSize.y)
     {
+        m_deferShowAllowed = true;
+        m_useCachedClientSize = false;
+
         int w, h;
         GTKDoGetSize(&w, &h);
         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
 
         int w, h;
         GTKDoGetSize(&w, &h);
         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
 
-        GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
+        DoGetClientSize(&m_clientWidth, &m_clientHeight);
         wxSizeEvent event(GetSize(), GetId());
         event.SetEventObject(this);
         HandleWindowEvent(event);
         wxSizeEvent event(GetSize(), GetId());
         event.SetEventObject(this);
         HandleWindowEvent(event);
@@ -926,10 +1128,12 @@ void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int si
 
 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
 {
 
 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
 {
-    if (m_deferShow && !m_isShown)
-        // Since client size is being explicitly set, don't change it later
-        m_deferShow = false;
-    wxTopLevelWindowBase::DoSetClientSize(width, height);
+    base_type::DoSetClientSize(width, height);
+
+    // Since client size is being explicitly set, don't change it later
+    // Has to be done after calling base because it calls SetSize,
+    // which sets this true
+    m_deferShowAllowed = false;
 }
 
 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
 }
 
 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
@@ -945,6 +1149,8 @@ void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
         if ( height )
             *height = 0;
     }
         if ( height )
             *height = 0;
     }
+    else if (m_useCachedClientSize)
+        base_type::DoGetClientSize(width, height);
     else
     {
         GTKDoGetSize(width, height);
     else
     {
         GTKDoGetSize(width, height);
@@ -955,31 +1161,37 @@ void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
                                           int maxW, int maxH,
                                           int incW, int incH )
 {
                                           int maxW, int maxH,
                                           int incW, int incH )
 {
-    wxTopLevelWindowBase::DoSetSizeHints( minW, minH, maxW, maxH, incW, incH );
+    base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
+    m_incWidth = incW;
+    m_incHeight = incH;
 
     const wxSize minSize = GetMinSize();
     const wxSize maxSize = GetMaxSize();
     GdkGeometry hints;
 
     const wxSize minSize = GetMinSize();
     const wxSize maxSize = GetMaxSize();
     GdkGeometry hints;
-    int hints_mask = 0;
-    if (minSize.x > 0 || minSize.y > 0)
+    // always set both min and max hints, otherwise GTK will
+    // make assumptions we don't want about the unset values
+    int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
+    hints.min_width = 1;
+    hints.min_height = 1;
+    hints.max_width = INT_MAX;
+    hints.max_height = INT_MAX;
+    const int decorSize_x = m_decorSize.left + m_decorSize.right;
+    const int decorSize_y = m_decorSize.top + m_decorSize.bottom;
+    if (minSize.x > decorSize_x)
+        hints.min_width = minSize.x - decorSize_x;
+    if (minSize.y > decorSize_y)
+        hints.min_height = minSize.y - decorSize_y;
+    if (maxSize.x > 0)
     {
     {
-        hints_mask |= GDK_HINT_MIN_SIZE;
-        hints.min_width = minSize.x - m_decorSize.x;
-        if (hints.min_width < 0)
-            hints.min_width = 0;
-        hints.min_height = minSize.y - m_decorSize.y;
-        if (hints.min_height < 0)
-            hints.min_height = 0;
+        hints.max_width = maxSize.x - decorSize_x;
+        if (hints.max_width < hints.min_width)
+            hints.max_width = hints.min_width;
     }
     }
-    if (maxSize.x > 0 || maxSize.y > 0)
+    if (maxSize.y > 0)
     {
     {
-        hints_mask |= GDK_HINT_MAX_SIZE;
-        hints.max_width = maxSize.x - m_decorSize.x;
-        if (hints.max_width < 0)
-            hints.max_width = INT_MAX;
-        hints.max_height = maxSize.y - m_decorSize.y;
-        if (hints.max_height < 0)
-            hints.max_height = INT_MAX;
+        hints.max_height = maxSize.y - decorSize_y;
+        if (hints.max_height < hints.min_height)
+            hints.max_height = hints.min_height;
     }
     if (incW > 0 || incH > 0)
     {
     }
     if (incW > 0 || incH > 0)
     {
@@ -991,23 +1203,32 @@ void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
 }
 
         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
 }
 
-void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
+#ifdef GDK_WINDOWING_X11
+void wxTopLevelWindowGTK::GTKUpdateDecorSize(const DecorSize& decorSize)
 {
     if (!IsMaximized() && !IsFullScreen())
         GetCachedDecorSize() = decorSize;
 {
     if (!IsMaximized() && !IsFullScreen())
         GetCachedDecorSize() = decorSize;
-    if (m_decorSize != decorSize)
+    if (m_updateDecorSize && memcmp(&m_decorSize, &decorSize, sizeof(DecorSize)))
     {
     {
-        const wxSize diff = decorSize - m_decorSize;
+        m_useCachedClientSize = false;
+        const wxSize diff(
+            decorSize.left - m_decorSize.left + decorSize.right - m_decorSize.right,
+            decorSize.top - m_decorSize.top + decorSize.bottom - m_decorSize.bottom);
         m_decorSize = decorSize;
         bool resized = false;
         m_decorSize = decorSize;
         bool resized = false;
+        if (m_minWidth > 0 || m_minHeight > 0 || m_maxWidth > 0 || m_maxHeight > 0)
+        {
+            // update size hints, they depend on m_decorSize
+            DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
+        }
         if (m_deferShow)
         {
             // keep overall size unchanged by shrinking m_widget
             int w, h;
             GTKDoGetSize(&w, &h);
             // but not if size would be less than minimum, it won't take effect
         if (m_deferShow)
         {
             // keep overall size unchanged by shrinking m_widget
             int w, h;
             GTKDoGetSize(&w, &h);
             // but not if size would be less than minimum, it won't take effect
-            const wxSize minSize = GetMinSize();
-            if (w >= minSize.x && h >= minSize.y)
+            if (w >= m_minWidth - (decorSize.left + decorSize.right) &&
+                h >= m_minHeight - (decorSize.top + decorSize.bottom))
             {
                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
                 resized = true;
             {
                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
                 resized = true;
@@ -1018,9 +1239,9 @@ void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
             // adjust overall size to match change in frame extents
             m_width  += diff.x;
             m_height += diff.y;
             // adjust overall size to match change in frame extents
             m_width  += diff.x;
             m_height += diff.y;
-            if (m_width  < 0) m_width  = 0;
-            if (m_height < 0) m_height = 0;
-            m_oldClientWidth = 0;
+            if (m_width  < 1) m_width  = 1;
+            if (m_height < 1) m_height = 1;
+            m_clientWidth = 0;
             gtk_widget_queue_resize(m_wxwindow);
         }
     }
             gtk_widget_queue_resize(m_wxwindow);
         }
     }
@@ -1028,7 +1249,7 @@ void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
     {
         // gtk_widget_show() was deferred, do it now
         m_deferShow = false;
     {
         // gtk_widget_show() was deferred, do it now
         m_deferShow = false;
-        GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
+        DoGetClientSize(&m_clientWidth, &m_clientHeight);
         wxSizeEvent sizeEvent(GetSize(), GetId());
         sizeEvent.SetEventObject(this);
         HandleWindowEvent(sizeEvent);
         wxSizeEvent sizeEvent(GetSize(), GetId());
         sizeEvent.SetEventObject(this);
         HandleWindowEvent(sizeEvent);
@@ -1040,10 +1261,11 @@ void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
         HandleWindowEvent(showEvent);
     }
 }
         HandleWindowEvent(showEvent);
     }
 }
+#endif // GDK_WINDOWING_X11
 
 
-wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
+wxTopLevelWindowGTK::DecorSize& wxTopLevelWindowGTK::GetCachedDecorSize()
 {
 {
-    static wxSize size[8];
+    static DecorSize size[8];
 
     int index = 0;
     // title bar
 
     int index = 0;
     // title bar
@@ -1060,7 +1282,7 @@ wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
 
 void wxTopLevelWindowGTK::OnInternalIdle()
 {
 
 void wxTopLevelWindowGTK::OnInternalIdle()
 {
-    wxWindow::OnInternalIdle();
+    wxTopLevelWindowBase::OnInternalIdle();
 
     // Synthetize activate events.
     if ( g_sendActivateEvent != -1 )
 
     // Synthetize activate events.
     if ( g_sendActivateEvent != -1 )
@@ -1097,12 +1319,12 @@ void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 
-    wxTopLevelWindowBase::SetIcons( icons );
+    base_type::SetIcons(icons);
 
     // Setting icons before window is realized can cause a GTK assertion if
     // another TLW is realized before this one, and it has this one as it's
     // transient parent. The life demo exibits this problem.
 
     // Setting icons before window is realized can cause a GTK assertion if
     // another TLW is realized before this one, and it has this one as it's
     // transient parent. The life demo exibits this problem.
-    if (GTK_WIDGET_REALIZED(m_widget))
+    if (gtk_widget_get_realized(m_widget))
     {
         GList* list = NULL;
         for (size_t i = icons.GetIconCount(); i--;)
     {
         GList* list = NULL;
         for (size_t i = icons.GetIconCount(); i--;)
@@ -1126,10 +1348,10 @@ void wxTopLevelWindowGTK::Maximize(bool maximize)
 
 bool wxTopLevelWindowGTK::IsMaximized() const
 {
 
 bool wxTopLevelWindowGTK::IsMaximized() const
 {
-    if(!m_widget->window)
-        return false;
-
-    return gdk_window_get_state(m_widget->window) & GDK_WINDOW_STATE_MAXIMIZED;
+    GdkWindow* window = NULL;
+    if (m_widget)
+        window = gtk_widget_get_window(m_widget);
+    return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
 }
 
 void wxTopLevelWindowGTK::Restore()
 }
 
 void wxTopLevelWindowGTK::Restore()
@@ -1180,49 +1402,6 @@ void wxTopLevelWindowGTK::RemoveGrab()
     }
 }
 
     }
 }
 
-
-// helper
-static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
-{
-    if (window)
-    {
-        if (region.IsEmpty())
-        {
-            gdk_window_shape_combine_mask(window, NULL, 0, 0);
-        }
-        else
-        {
-            gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
-            return true;
-        }
-    }
-    return false;
-}
-
-
-bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
-{
-    wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
-                 _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
-
-    if ( GTK_WIDGET_REALIZED(m_widget) )
-    {
-        if ( m_wxwindow )
-            do_shape_combine_region(m_wxwindow->window, region);
-
-        return do_shape_combine_region(m_widget->window, region);
-    }
-    else // not realized yet
-    {
-        // store the shape to set, it will be really set once we're realized
-        m_shape = region;
-
-        // we don't know if we're going to succeed or fail, be optimistic by
-        // default
-        return true;
-    }
-}
-
 bool wxTopLevelWindowGTK::IsActive()
 {
     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
 bool wxTopLevelWindowGTK::IsActive()
 {
     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
@@ -1233,17 +1412,18 @@ void wxTopLevelWindowGTK::RequestUserAttention(int flags)
     bool new_hint_value = false;
 
     // FIXME: This is a workaround to focus handling problem
     bool new_hint_value = false;
 
     // FIXME: This is a workaround to focus handling problem
-    // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle hasn't
-    // yet been processed, and the internal focus system is not up to date yet.
-    // wxYieldIfNeeded ensures the processing of it, but can have unwanted side effects - MR
-    ::wxYieldIfNeeded();
+    // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
+    // hasn't yet been processed, and the internal focus system is not up to date yet.
+    // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
+    // won't have side effects) - MR
+    wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
 
     if(m_urgency_hint >= 0)
         g_source_remove(m_urgency_hint);
 
     m_urgency_hint = -2;
 
 
     if(m_urgency_hint >= 0)
         g_source_remove(m_urgency_hint);
 
     m_urgency_hint = -2;
 
-    if( GTK_WIDGET_REALIZED(m_widget) && !IsActive() )
+    if( gtk_widget_get_realized(m_widget) && !IsActive() )
     {
         new_hint_value = true;
 
     {
         new_hint_value = true;
 
@@ -1255,12 +1435,7 @@ void wxTopLevelWindowGTK::RequestUserAttention(int flags)
         }
     }
 
         }
     }
 
-#if GTK_CHECK_VERSION(2,7,0)
-    if(!gtk_check_version(2,7,0))
-        gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
-    else
-#endif
-        wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
+    gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
 }
 
 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
 }
 
 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
@@ -1289,37 +1464,17 @@ void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
     }
 }
 
     }
 }
 
-/* Get the X Window between child and the root window.
-   This should usually be the WM managed XID */
-static Window wxGetTopmostWindowX11(Display *dpy, Window child)
-{
-    Window root, parent;
-    Window* children;
-    unsigned int nchildren;
-
-    XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
-    XFree(children);
-
-    while (parent != root) {
-        child = parent;
-        XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
-        XFree(children);
-    }
-
-    return child;
-}
-
 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
 {
 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
 {
-    if (!m_widget || !m_widget->window)
+    GdkWindow* window = NULL;
+    if (m_widget)
+        window = gtk_widget_get_window(m_widget);
+    if (window == NULL)
         return false;
 
         return false;
 
-    Display* dpy = GDK_WINDOW_XDISPLAY (m_widget->window);
-    // We need to get the X Window that has the root window as the immediate parent
-    // and m_widget->window as a child. This should be the X Window that the WM manages and
-    // from which the opacity property is checked from.
-    Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID (m_widget->window));
-
+#ifdef GDK_WINDOWING_X11
+    Display* dpy = GDK_WINDOW_XDISPLAY(window);
+    Window win = GDK_WINDOW_XID(window);
 
     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
     if (alpha == 0xff)
 
     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
     if (alpha == 0xff)
@@ -1333,27 +1488,34 @@ bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
     }
     XSync(dpy, False);
     return true;
     }
     XSync(dpy, False);
     return true;
+#else // !GDK_WINDOWING_X11
+    return false;
+#endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
 }
 
 bool wxTopLevelWindowGTK::CanSetTransparent()
 {
     // allow to override automatic detection as it's far from perfect
 }
 
 bool wxTopLevelWindowGTK::CanSetTransparent()
 {
     // allow to override automatic detection as it's far from perfect
-    static const wxChar *SYSOPT_TRANSPARENT = wxT("gtk.tlw.can-set-transparent");
+    const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
     {
         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
     }
 
     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
     {
         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
     }
 
+#ifdef __WXGTK3__
+    return gtk_widget_is_composited(m_widget) != 0;
+#else
 #if GTK_CHECK_VERSION(2,10,0)
     if (!gtk_check_version(2,10,0))
     {
 #if GTK_CHECK_VERSION(2,10,0)
     if (!gtk_check_version(2,10,0))
     {
-        return (gtk_widget_is_composited (m_widget));
+        return gtk_widget_is_composited(m_widget) != 0;
     }
     else
 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
     {
         return false;
     }
     }
     else
 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
     {
         return false;
     }
+#endif // !__WXGTK3__
 
 #if 0 // Don't be optimistic here for the sake of wxAUI
     int opcode, event, error;
 
 #if 0 // Don't be optimistic here for the sake of wxAUI
     int opcode, event, error;
@@ -1362,16 +1524,3 @@ bool wxTopLevelWindowGTK::CanSetTransparent()
                            "Composite", &opcode, &event, &error);
 #endif
 }
                            "Composite", &opcode, &event, &error);
 #endif
 }
-
-void wxTopLevelWindowGTK::OnSysColourChanged(wxSysColourChangedEvent& event)
-{
-    // We don't know the order in which top-level windows will
-    // be notified, so we need to clear the system objects
-    // for each top-level window.
-    extern void wxClearGtkSystemObjects();
-    wxClearGtkSystemObjects();
-
-    // wxWindowBase::OnSysColourChanged will propagate event
-    // to children
-    event.Skip();
-}
wxWidgets (Impactor)