]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/window.cpp
corrected off by 1 error in cMB2WC() call (thanks valgrind)
[wxWidgets.git] / src / gtk / window.cpp
index 424a219958c33517895e4241879e82fdb4dbb170..ccb4500d436d9297cd9514efcc6910a419979067 100644 (file)
 #include "wx/window.h"
 
 #ifndef WX_PRECOMP
-    #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/app.h"
-    #include "wx/utils.h"
     #include "wx/frame.h"
     #include "wx/dcclient.h"
     #include "wx/menu.h"
-    #include "wx/dialog.h"
     #include "wx/settings.h"
     #include "wx/msgdlg.h"
     #include "wx/textctrl.h"
+    #include "wx/radiobut.h"
     #include "wx/toolbar.h"
     #include "wx/combobox.h"
     #include "wx/layout.h"
-    #include "wx/statusbr.h"
     #include "wx/math.h"
 #endif
 
-#include "wx/module.h"
-
-#if wxUSE_DRAG_AND_DROP
-    #include "wx/dnd.h"
-#endif
-
-#if wxUSE_TOOLTIPS
-    #include "wx/tooltip.h"
-#endif
-
-#if wxUSE_CARET
-    #include "wx/caret.h"
-#endif // wxUSE_CARET
-
+#include "wx/dnd.h"
+#include "wx/tooltip.h"
+#include "wx/caret.h"
 #include "wx/fontutil.h"
 
 #ifdef __WXDEBUG__
 // FIXME: Due to a hack we use GtkCombo in here, which is deprecated since gtk2.3.0
 #include <gtk/gtkversion.h>
 #if defined(GTK_DISABLE_DEPRECATED) && GTK_CHECK_VERSION(2,3,0)
-#undef GTK_DISABLE_DEPRECATED
+    #undef GTK_DISABLE_DEPRECATED
+    #include <gtk/gtkcombo.h>
+    #define GTK_DISABLE_DEPRECATED
 #endif
 
 #include "wx/gtk/private.h"
-#include <gdk/gdkprivate.h>
+#include "wx/gtk/win_gtk.h"
 #include <gdk/gdkkeysyms.h>
 #include <gdk/gdkx.h>
 
-#include <gtk/gtk.h>
-#include <gtk/gtkprivate.h>
-
-#include "wx/gtk/win_gtk.h"
-
-#include <pango/pangox.h>
-
-#ifdef HAVE_XIM
-    #undef HAVE_XIM
-#endif
-
-extern GtkContainerClass *pizza_parent_class;
-
 //-----------------------------------------------------------------------------
 // documentation on internals
 //-----------------------------------------------------------------------------
@@ -215,12 +190,12 @@ extern GtkContainerClass *pizza_parent_class;
 // data
 //-----------------------------------------------------------------------------
 
-extern bool       g_blockEventsOnDrag;
-extern bool       g_blockEventsOnScroll;
+// Don't allow event propagation during drag
+bool g_blockEventsOnDrag;
+// Don't allow mouse event propagation during scroll
+bool g_blockEventsOnScroll;
 extern wxCursor   g_globalCursor;
 
-static GdkGC *g_eraseGC = NULL;
-
 // mouse capture state: the window which has it and if the mouse is currently
 // inside it
 static wxWindowGTK  *g_captureWindow = (wxWindowGTK*) NULL;
@@ -237,6 +212,11 @@ wxWindowGTK *g_focusWindowLast = (wxWindowGTK*) NULL;
 // yet, defer setting the focus to idle time.
 wxWindowGTK *g_delayedFocus = (wxWindowGTK*) NULL;
 
+// global variables because GTK+ DnD want to have the
+// mouse event that caused it
+GdkEvent    *g_lastMouseEvent = (GdkEvent*) NULL;
+int          g_lastButtonNumber = 0;
+
 extern bool g_mainThreadLocked;
 
 //-----------------------------------------------------------------------------
@@ -343,14 +323,6 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
     if (!win->m_hasVMT)
         return;
 
-    int dw = 0;
-    int dh = 0;
-
-    if (win->m_hasScrolling)
-    {
-        GetScrollbarWidth(widget, dw, dh);
-    }
-
     int dx = 0;
     int dy = 0;
     if (GTK_WIDGET_NO_WINDOW (widget))
@@ -359,6 +331,27 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
         dy += widget->allocation.y;
     }
 
+    int x = dx;
+    int y = dy;
+
+    int dw = 0;
+    int dh = 0;
+    if (win->m_hasScrolling)
+    {
+        GetScrollbarWidth(widget, dw, dh);
+
+        if (win->GetLayoutDirection() == wxLayout_RightToLeft)
+        {
+            // This is actually wrong for old GTK+ version
+            // which do not display the scrollbar on the
+            // left side in RTL
+            x += dw;
+        }
+    }
+
+    int w = widget->allocation.width-dw;
+    int h = widget->allocation.height-dh;
+
     if (win->HasFlag(wxRAISED_BORDER))
     {
         gtk_paint_shadow (widget->style,
@@ -366,8 +359,7 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
                           GTK_STATE_NORMAL,
                           GTK_SHADOW_OUT,
                           NULL, NULL, NULL, // FIXME: No clipping?
-                          dx, dy,
-                          widget->allocation.width-dw, widget->allocation.height-dh );
+                          x, y, w, h );
         return;
     }
 
@@ -378,8 +370,7 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
                           GTK_STATE_NORMAL,
                           GTK_SHADOW_IN,
                           NULL, NULL, NULL, // FIXME: No clipping?
-                          dx, dy,
-                          widget->allocation.width-dw, widget->allocation.height-dh );
+                          x, y, w, h );
         return;
     }
 
@@ -388,9 +379,7 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
         GdkGC *gc;
         gc = gdk_gc_new( widget->window );
         gdk_gc_set_foreground( gc, &widget->style->black );
-        gdk_draw_rectangle( widget->window, gc, FALSE,
-                         dx, dy,
-                         widget->allocation.width-dw-1, widget->allocation.height-dh-1 );
+        gdk_draw_rectangle( widget->window, gc, FALSE, x, y, w-1, h-1 );
         g_object_unref (gc);
         return;
     }
@@ -407,13 +396,9 @@ gtk_window_own_expose_callback( GtkWidget *widget,
                                 GdkEventExpose *gdk_event,
                                 wxWindowGTK *win )
 {
-    if (gdk_event->count > 0) return FALSE;
-
-    draw_frame( widget, win );
-
-    (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, gdk_event);
-
-    return TRUE;
+    if (gdk_event->count == 0)
+        draw_frame(widget, win);
+    return false;
 }
 }
 
@@ -439,6 +424,8 @@ void wxgtk_window_size_request_callback(GtkWidget *widget,
 }
 }
 
+#if wxUSE_COMBOBOX
+
 extern "C" {
 static
 void wxgtk_combo_size_request_callback(GtkWidget *widget,
@@ -460,14 +447,22 @@ void wxgtk_combo_size_request_callback(GtkWidget *widget,
     GtkRequisition entry_req;
     entry_req.width = 2;
     entry_req.height = 2;
+    (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(gcombo->entry) )->size_request )
+        (gcombo->entry, &entry_req );
+
+    GtkRequisition button_req;
+    button_req.width = 2;
+    button_req.height = 2;
     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(gcombo->button) )->size_request )
-        (gcombo->button, &entry_req );
+        (gcombo->button, &button_req );
 
-    requisition->width = w - entry_req.width;
+    requisition->width = w - button_req.width;
     requisition->height = entry_req.height;
 }
 }
 
+#endif // wxUSE_COMBOBOX
+
 //-----------------------------------------------------------------------------
 // "expose_event" of m_wxwindow
 //-----------------------------------------------------------------------------
@@ -480,15 +475,18 @@ gtk_window_expose_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     // This callback gets called in drawing-idle time under
     // GTK 2.0, so we don't need to defer anything to idle
     // time anymore.
 
     GtkPizza *pizza = GTK_PIZZA( widget );
-    if (gdk_event->window != pizza->bin_window) return FALSE;
+    if (gdk_event->window != pizza->bin_window)
+    {
+        // block expose events on GTK_WIDGET(pizza)->window,
+        //   all drawing is done on pizza->bin_window
+        return true;
+    }
+
 
 #if 0
     if (win->GetName())
@@ -519,10 +517,7 @@ gtk_window_expose_callback( GtkWidget *widget,
 
     win->GtkSendPaintEvents();
 
-
     // Let parent window draw window-less widgets
-    (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, gdk_event);
-
     return FALSE;
 }
 }
@@ -991,9 +986,6 @@ gtk_window_key_press_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     if (!win->m_hasVMT)
         return FALSE;
     if (g_blockEventsOnDrag)
@@ -1124,78 +1116,7 @@ gtk_window_key_press_callback( GtkWidget *widget,
         }
     }
 
-
-
-
-
-    // win is a control: tab can be propagated up
-    if ( !ret &&
-         ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab)) &&
-// VZ: testing for wxTE_PROCESS_TAB shouldn't be done here - the control may
-//     have this style, yet choose not to process this particular TAB in which
-//     case TAB must still work as a navigational character
-// JS: enabling again to make consistent with other platforms
-//     (with wxTE_PROCESS_TAB you have to call Navigate to get default
-//     navigation behaviour)
-#if wxUSE_TEXTCTRL
-         (! (win->HasFlag(wxTE_PROCESS_TAB) && win->IsKindOf(CLASSINFO(wxTextCtrl)) )) &&
-#endif
-         win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
-    {
-        wxNavigationKeyEvent new_event;
-        new_event.SetEventObject( win->GetParent() );
-        // GDK reports GDK_ISO_Left_Tab for SHIFT-TAB
-        new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
-        // CTRL-TAB changes the (parent) window, i.e. switch notebook page
-        new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
-        new_event.SetCurrentFocus( win );
-        ret = win->GetParent()->GetEventHandler()->ProcessEvent( new_event );
-    }
-
-    // generate wxID_CANCEL if <esc> has been pressed (typically in dialogs)
-    if ( !ret &&
-         (gdk_event->keyval == GDK_Escape) )
-    {
-        // however only do it if we have a Cancel button in the dialog,
-        // otherwise the user code may get confused by the events from a
-        // nonexistent button and, worse, a wxButton might get button event
-        // from another button which is not really expected
-        wxWindow *winForCancel = win,
-                 *btnCancel = NULL;
-        while ( winForCancel )
-        {
-            btnCancel = winForCancel->FindWindow(wxID_CANCEL);
-            if ( btnCancel )
-            {
-                // found a cancel button
-                break;
-            }
-
-            if ( winForCancel->IsTopLevel() )
-            {
-                // no need to look further
-                break;
-            }
-
-            // maybe our parent has a cancel button?
-            winForCancel = winForCancel->GetParent();
-        }
-
-        if ( btnCancel )
-        {
-            wxCommandEvent eventClick(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
-            eventClick.SetEventObject(btnCancel);
-            ret = btnCancel->GetEventHandler()->ProcessEvent(eventClick);
-        }
-    }
-
-    if (ret)
-    {
-        g_signal_stop_emission_by_name (widget, "key_press_event");
-        return TRUE;
-    }
-
-    return FALSE;
+    return ret;
 }
 }
 
@@ -1214,9 +1135,13 @@ gtk_wxwindow_commit_cb (GtkIMContext *context,
         wxFillOtherKeyEventFields(event,
                                   window, window->m_imData->lastKeyEvent);
     }
+    else
+    {
+        event.SetEventObject( window );
+    }
 
-    const wxWxCharBuffer data(wxGTK_CONV_BACK(str));
-    if( !data )
+    const wxString data(wxGTK_CONV_BACK_SYS(str));
+    if( data.empty() )
         return;
 
     bool ret = false;
@@ -1226,7 +1151,7 @@ gtk_wxwindow_commit_cb (GtkIMContext *context,
     while (parent && !parent->IsTopLevel())
         parent = parent->GetParent();
 
-    for( const wxChar* pstr = data; *pstr; pstr++ )
+    for( wxString::const_iterator pstr = data.begin(); pstr != data.end(); ++pstr )
     {
 #if wxUSE_UNICODE
         event.m_uniChar = *pstr;
@@ -1234,7 +1159,7 @@ gtk_wxwindow_commit_cb (GtkIMContext *context,
         event.m_keyCode = *pstr < 256 ? event.m_uniChar : 0;
         wxLogTrace(TRACE_KEYS, _T("IM sent character '%c'"), event.m_uniChar);
 #else
-        event.m_keyCode = *pstr;
+        event.m_keyCode = (char)*pstr;
 #endif  // wxUSE_UNICODE
 
         // To conform to the docs we need to translate Ctrl-alpha
@@ -1281,9 +1206,6 @@ gtk_window_key_release_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     if (!win->m_hasVMT)
         return FALSE;
 
@@ -1297,11 +1219,7 @@ gtk_window_key_release_callback( GtkWidget *widget,
         return FALSE;
     }
 
-    if ( !win->GetEventHandler()->ProcessEvent( event ) )
-        return FALSE;
-
-    g_signal_stop_emission_by_name (widget, "key_release_event");
-    return TRUE;
+    return win->GTKProcessEvent(event);
 }
 }
 
@@ -1326,20 +1244,18 @@ template<typename T> void InitMouseEvent(wxWindowGTK *win,
     event.m_leftDown = (gdk_event->state & GDK_BUTTON1_MASK);
     event.m_middleDown = (gdk_event->state & GDK_BUTTON2_MASK);
     event.m_rightDown = (gdk_event->state & GDK_BUTTON3_MASK);
-    if (event.GetEventType() == wxEVT_MOUSEWHEEL)
-    {
-       event.m_linesPerAction = 3;
-       event.m_wheelDelta = 120;
-       if (((GdkEventButton*)gdk_event)->button == 4)
-           event.m_wheelRotation = 120;
-       else if (((GdkEventButton*)gdk_event)->button == 5)
-           event.m_wheelRotation = -120;
-    }
 
     wxPoint pt = win->GetClientAreaOrigin();
     event.m_x = (wxCoord)gdk_event->x - pt.x;
     event.m_y = (wxCoord)gdk_event->y - pt.y;
 
+    if ((win->m_wxwindow) && (win->GetLayoutDirection() == wxLayout_RightToLeft))
+    {
+        // origin in the upper right corner
+        int window_width = gtk_pizza_get_rtl_offset( GTK_PIZZA(win->m_wxwindow) );
+        event.m_x = window_width - event.m_x;
+    }
+
     event.SetEventObject( win );
     event.SetId( win->GetId() );
     event.SetTimestamp( gdk_event->time );
@@ -1387,8 +1303,8 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
     if (win->m_wxwindow)
     {
         GtkPizza *pizza = GTK_PIZZA(win->m_wxwindow);
-        xx += pizza->xoffset;
-        yy += pizza->yoffset;
+        xx += gtk_pizza_get_xoffset( pizza );
+        yy += gtk_pizza_get_yoffset( pizza );
     }
 
     wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
@@ -1443,48 +1359,94 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
     return win;
 }
 
+// ----------------------------------------------------------------------------
+// common event handlers helpers
+// ----------------------------------------------------------------------------
+
+bool wxWindowGTK::GTKProcessEvent(wxEvent& event) const
+{
+    // nothing special at this level
+    return GetEventHandler()->ProcessEvent(event);
+}
+
+int wxWindowGTK::GTKCallbackCommonPrologue(GdkEventAny *event) const
+{
+    DEBUG_MAIN_THREAD
+
+    if (!m_hasVMT)
+        return FALSE;
+    if (g_blockEventsOnDrag)
+        return TRUE;
+    if (g_blockEventsOnScroll)
+        return TRUE;
+
+    if (!GTKIsOwnWindow(event->window))
+        return FALSE;
+
+    return -1;
+}
+
+// overloads for all GDK event types we use here: we need to have this as
+// GdkEventXXX can't be implicitly cast to GdkEventAny even if it, in fact,
+// derives from it in the sense that the structs have the same layout
+#define wxDEFINE_COMMON_PROLOGUE_OVERLOAD(T)                                  \
+    static int wxGtkCallbackCommonPrologue(T *event, wxWindowGTK *win)        \
+    {                                                                         \
+        return win->GTKCallbackCommonPrologue((GdkEventAny *)event);          \
+    }
+
+wxDEFINE_COMMON_PROLOGUE_OVERLOAD(GdkEventButton)
+wxDEFINE_COMMON_PROLOGUE_OVERLOAD(GdkEventMotion)
+wxDEFINE_COMMON_PROLOGUE_OVERLOAD(GdkEventCrossing)
+
+#undef wxDEFINE_COMMON_PROLOGUE_OVERLOAD
+
+#define wxCOMMON_CALLBACK_PROLOGUE(event, win)                                \
+    const int rc = wxGtkCallbackCommonPrologue(event, win);                   \
+    if ( rc != -1 )                                                           \
+        return rc
+
+// send the wxChildFocusEvent and wxFocusEvent, common code of
+// gtk_window_focus_in_callback() and SetFocus()
+static bool DoSendFocusEvents(wxWindow *win)
+{
+    // Notify the parent keeping track of focus for the kbd navigation
+    // purposes that we got it.
+    wxChildFocusEvent eventChildFocus(win);
+    (void)win->GetEventHandler()->ProcessEvent(eventChildFocus);
+
+    wxFocusEvent eventFocus(wxEVT_SET_FOCUS, win->GetId());
+    eventFocus.SetEventObject(win);
+
+    return win->GetEventHandler()->ProcessEvent(eventFocus);
+}
+
+// all event handlers must have C linkage as they're called from GTK+ C code
+extern "C"
+{
+
 //-----------------------------------------------------------------------------
 // "button_press_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static gboolean
 gtk_window_button_press_callback( GtkWidget *widget,
                                   GdkEventButton *gdk_event,
                                   wxWindowGTK *win )
 {
-    DEBUG_MAIN_THREAD
-
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-/*
-    wxPrintf( wxT("1) OnButtonPress from ") );
-    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-        wxPrintf( win->GetClassInfo()->GetClassName() );
-    wxPrintf( wxT(".\n") );
-*/
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return TRUE;
-    if (g_blockEventsOnScroll) return TRUE;
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
-    if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
+    g_lastButtonNumber = gdk_event->button;
 
-    if (win->m_wxwindow && (g_focusWindow != win) && win->AcceptsFocus())
+    if (win->m_wxwindow && (g_focusWindow != win) && win->IsFocusable())
     {
         gtk_widget_grab_focus( win->m_wxwindow );
-/*
-        wxPrintf( wxT("GrabFocus from ") );
-        if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-            wxPrintf( win->GetClassInfo()->GetClassName() );
-        wxPrintf( wxT(".\n") );
-*/
     }
 
     // GDK sends surplus button down events
     // before a double click event. We
     // need to filter these out.
-    if (gdk_event->type == GDK_BUTTON_PRESS)
+    if ((gdk_event->type == GDK_BUTTON_PRESS) && (win->m_wxwindow))
     {
         GdkEvent *peek_event = gdk_event_peek();
         if (peek_event)
@@ -1578,13 +1540,6 @@ gtk_window_button_press_callback( GtkWidget *widget,
                 ;
         }
     }
-    else if (gdk_event->button == 4 || gdk_event->button == 5)
-    {
-        if (gdk_event->type == GDK_BUTTON_PRESS )
-        {
-            event_type = wxEVT_MOUSEWHEEL;
-        }
-    }
 
     if ( event_type == wxEVT_NULL )
     {
@@ -1592,6 +1547,8 @@ gtk_window_button_press_callback( GtkWidget *widget,
         return FALSE;
     }
 
+    g_lastMouseEvent = (GdkEvent*) gdk_event;
+
     wxMouseEvent event( event_type );
     InitMouseEvent( win, event, gdk_event );
 
@@ -1611,10 +1568,15 @@ gtk_window_button_press_callback( GtkWidget *widget,
     event.SetEventObject( win );
     event.SetId( win->GetId() );
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        g_signal_stop_emission_by_name (widget, "button_press_event");
+    bool ret = win->GTKProcessEvent( event );
+    g_lastMouseEvent = NULL;
+    if ( ret )
         return TRUE;
+
+    if ((event_type == wxEVT_LEFT_DOWN) && !win->IsOfStandardClass() && 
+        (g_focusWindow != win) && win->IsFocusable())
+    {
+        gtk_widget_grab_focus( win->m_wxwindow );
     }
 
     if (event_type == wxEVT_RIGHT_DOWN)
@@ -1631,33 +1593,24 @@ gtk_window_button_press_callback( GtkWidget *widget,
             win->GetId(),
             win->ClientToScreen(event.GetPosition()));
         evtCtx.SetEventObject(win);
-        return win->GetEventHandler()->ProcessEvent(evtCtx);
+        return win->GTKProcessEvent(evtCtx);
     }
 
     return FALSE;
 }
-}
 
 //-----------------------------------------------------------------------------
 // "button_release_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static gboolean
 gtk_window_button_release_callback( GtkWidget *widget,
                                     GdkEventButton *gdk_event,
                                     wxWindowGTK *win )
 {
-    DEBUG_MAIN_THREAD
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
-    if (g_blockEventsOnScroll) return FALSE;
-
-    if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
+    g_lastButtonNumber = 0;
 
     wxEventType event_type = wxEVT_NULL;
 
@@ -1680,6 +1633,8 @@ gtk_window_button_release_callback( GtkWidget *widget,
             return FALSE;
     }
 
+    g_lastMouseEvent = (GdkEvent*) gdk_event;
+
     wxMouseEvent event( event_type );
     InitMouseEvent( win, event, gdk_event );
 
@@ -1695,36 +1650,23 @@ gtk_window_button_release_callback( GtkWidget *widget,
     event.SetEventObject( win );
     event.SetId( win->GetId() );
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        g_signal_stop_emission_by_name (widget, "button_release_event");
-        return TRUE;
-    }
+    bool ret = win->GTKProcessEvent(event);
 
-    return FALSE;
-}
+    g_lastMouseEvent = NULL;
+
+    return ret;
 }
 
 //-----------------------------------------------------------------------------
 // "motion_notify_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static gboolean
 gtk_window_motion_notify_callback( GtkWidget *widget,
                                    GdkEventMotion *gdk_event,
                                    wxWindowGTK *win )
 {
-    DEBUG_MAIN_THREAD
-
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
-    if (g_blockEventsOnScroll) return FALSE;
-
-    if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
     if (gdk_event->is_hint)
     {
@@ -1736,12 +1678,7 @@ gtk_window_motion_notify_callback( GtkWidget *widget,
         gdk_event->y = y;
     }
 
-/*
-    printf( "OnMotion from " );
-    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-      printf( win->GetClassInfo()->GetClassName() );
-    printf( ".\n" );
-*/
+    g_lastMouseEvent = (GdkEvent*) gdk_event;
 
     wxMouseEvent event( wxEVT_MOTION );
     InitMouseEvent(win, event, gdk_event);
@@ -1764,7 +1701,7 @@ gtk_window_motion_notify_callback( GtkWidget *widget,
                                                         : wxEVT_LEAVE_WINDOW);
             InitMouseEvent(win, eventM, gdk_event);
             eventM.SetEventObject(win);
-            win->GetEventHandler()->ProcessEvent(eventM);
+            win->GTKProcessEvent(eventM);
         }
     }
     else // no capture
@@ -1779,35 +1716,28 @@ gtk_window_motion_notify_callback( GtkWidget *widget,
     if ( !g_captureWindow )
     {
         wxSetCursorEvent cevent( event.m_x, event.m_y );
-        if (win->GetEventHandler()->ProcessEvent( cevent ))
+        if (win->GTKProcessEvent( cevent ))
         {
-            // Rewrite cursor handling here (away from idle).
+            win->SetCursor( cevent.GetCursor() );
         }
     }
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        g_signal_stop_emission_by_name (widget, "motion_notify_event");
-        return TRUE;
-    }
+    bool ret = win->GTKProcessEvent(event);
 
-    return FALSE;
-}
+    g_lastMouseEvent = NULL;
+
+    return ret;
 }
 
 //-----------------------------------------------------------------------------
-// "scroll_event", (mouse wheel event)
+// "scroll_event" (mouse wheel event)
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static gboolean
 window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win)
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     if (gdk_event->direction != GDK_SCROLL_UP &&
         gdk_event->direction != GDK_SCROLL_DOWN)
     {
@@ -1839,45 +1769,24 @@ window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win)
     event.SetId( win->GetId() );
     event.SetTimestamp( gdk_event->time );
 
-    return win->GetEventHandler()->ProcessEvent(event);
-}
+    return win->GTKProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
 // "popup-menu"
 //-----------------------------------------------------------------------------
-extern "C" {
+
 static gboolean wxgtk_window_popup_menu_callback(GtkWidget*, wxWindowGTK* win)
 {
-    wxContextMenuEvent event(
-        wxEVT_CONTEXT_MENU,
-        win->GetId(),
-        wxPoint(-1, -1));
+    wxContextMenuEvent event(wxEVT_CONTEXT_MENU, win->GetId(), wxPoint(-1, -1));
     event.SetEventObject(win);
-    return win->GetEventHandler()->ProcessEvent(event);
-}
+    return win->GTKProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
 // "focus_in_event"
 //-----------------------------------------------------------------------------
 
-// send the wxChildFocusEvent and wxFocusEvent, common code of
-// gtk_window_focus_in_callback() and SetFocus()
-static bool DoSendFocusEvents(wxWindow *win)
-{
-    // Notify the parent keeping track of focus for the kbd navigation
-    // purposes that we got it.
-    wxChildFocusEvent eventChildFocus(win);
-    (void)win->GetEventHandler()->ProcessEvent(eventChildFocus);
-
-    wxFocusEvent eventFocus(wxEVT_SET_FOCUS, win->GetId());
-    eventFocus.SetEventObject(win);
-
-    return win->GetEventHandler()->ProcessEvent(eventFocus);
-}
-
-extern "C" {
 static gboolean
 gtk_window_focus_in_callback( GtkWidget *widget,
                               GdkEventFocus *WXUNUSED(event),
@@ -1885,9 +1794,6 @@ gtk_window_focus_in_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     if (win->m_imData)
         gtk_im_context_focus_in(win->m_imData->context);
 
@@ -1897,11 +1803,6 @@ gtk_window_focus_in_callback( GtkWidget *widget,
     wxLogTrace(TRACE_FOCUS,
                _T("%s: focus in"), win->GetName().c_str());
 
-#ifdef HAVE_XIM
-    if (win->m_ic)
-        gdk_im_begin(win->m_ic, win->m_wxwindow->window);
-#endif
-
 #if wxUSE_CARET
     // caret needs to be informed about focus change
     wxCaret *caret = win->GetCaret();
@@ -1931,13 +1832,11 @@ gtk_window_focus_in_callback( GtkWidget *widget,
 
     return FALSE;
 }
-}
 
 //-----------------------------------------------------------------------------
 // "focus_out_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static gboolean
 gtk_window_focus_out_callback( GtkWidget *widget,
                                GdkEventFocus *gdk_event,
@@ -1945,9 +1844,6 @@ gtk_window_focus_out_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     if (win->m_imData)
         gtk_im_context_focus_out(win->m_imData->context);
 
@@ -1961,11 +1857,6 @@ gtk_window_focus_out_callback( GtkWidget *widget,
 
     g_focusWindow = (wxWindowGTK *)NULL;
 
-#ifdef HAVE_XIM
-    if (win->m_ic)
-        gdk_im_end();
-#endif
-
 #if wxUSE_CARET
     // caret needs to be informed about focus change
     wxCaret *caret = win->GetCaret();
@@ -1975,54 +1866,64 @@ gtk_window_focus_out_callback( GtkWidget *widget,
     }
 #endif // wxUSE_CARET
 
-    gboolean ret = FALSE;
-
     // don't send the window a kill focus event if it thinks that it doesn't
     // have focus already
     if ( win->m_hasFocus )
     {
+        // the event handler might delete the window when it loses focus, so
+        // check whether this is a custom window before calling it
+        const bool has_wxwindow = win->m_wxwindow != NULL;
+
         win->m_hasFocus = false;
 
         wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
         event.SetEventObject( win );
 
-        (void)win->GetEventHandler()->ProcessEvent( event );
+        (void)win->GTKProcessEvent( event );
 
-        ret = TRUE;
+        // Disable default focus handling for custom windows
+        // since the default GTK+ handler issues a repaint
+        if ( has_wxwindow )
+            return TRUE;
     }
 
-    // Disable default focus handling for custom windows
-    // since the default GTK+ handler issues a repaint
-    if (win->m_wxwindow)
-        return ret;
-
+    // continue with normal processing
     return FALSE;
 }
+
+static gboolean
+wx_window_focus_callback(GtkWidget *widget,
+                         GtkDirectionType direction,
+                         wxWindowGTK *win)
+{
+    // the default handler for focus signal in GtkPizza (or, rather, in
+    // GtkScrolledWindow from which GtkPizza inherits this behaviour) sets
+    // focus to the window itself even if it doesn't accept focus, i.e. has no
+    // GTK_CAN_FOCUS in its style -- work around this by forcibly preventing
+    // the signal from reaching gtk_scrolled_window_focus() if we don't have
+    // any children which might accept focus (we know we don't accept the focus
+    // ourselves as this signal is only connected in this case)
+    if ( win->GetChildren().empty() )
+        g_signal_stop_emission_by_name(widget, "focus");
+
+    // we didn't change the focus
+    return FALSE;
 }
 
 //-----------------------------------------------------------------------------
 // "enter_notify_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static gboolean
 gtk_window_enter_callback( GtkWidget *widget,
                            GdkEventCrossing *gdk_event,
                            wxWindowGTK *win )
 {
-    DEBUG_MAIN_THREAD
-
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
     // Event was emitted after a grab
     if (gdk_event->mode != GDK_CROSSING_NORMAL) return FALSE;
 
-    if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
-
     int x = 0;
     int y = 0;
     GdkModifierType state = (GdkModifierType)0;
@@ -2038,45 +1939,29 @@ gtk_window_enter_callback( GtkWidget *widget,
     if ( !g_captureWindow )
     {
         wxSetCursorEvent cevent( event.m_x, event.m_y );
-        if (win->GetEventHandler()->ProcessEvent( cevent ))
+        if (win->GTKProcessEvent( cevent ))
         {
-            // Rewrite cursor handling here (away from idle).
+            win->SetCursor( cevent.GetCursor() );
         }
     }
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-       g_signal_stop_emission_by_name (widget, "enter_notify_event");
-       return TRUE;
-    }
-
-    return FALSE;
-}
+    return win->GTKProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
 // "leave_notify_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static gboolean
 gtk_window_leave_callback( GtkWidget *widget,
                            GdkEventCrossing *gdk_event,
                            wxWindowGTK *win )
 {
-    DEBUG_MAIN_THREAD
-
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
     // Event was emitted after an ungrab
     if (gdk_event->mode != GDK_CROSSING_NORMAL) return FALSE;
 
-    if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
-
     wxMouseEvent event( wxEVT_LEAVE_WINDOW );
     event.SetTimestamp( gdk_event->time );
     event.SetEventObject( win );
@@ -2099,21 +1984,13 @@ gtk_window_leave_callback( GtkWidget *widget,
     event.m_x = x + pt.x;
     event.m_y = y + pt.y;
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        g_signal_stop_emission_by_name (widget, "leave_notify_event");
-        return TRUE;
-    }
-
-    return FALSE;
-}
+    return win->GTKProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
 // "value_changed" from scrollbar
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static void
 gtk_scrollbar_value_changed(GtkRange* range, wxWindow* win)
 {
@@ -2122,42 +1999,38 @@ gtk_scrollbar_value_changed(GtkRange* range, wxWindow* win)
     {
         // Convert scroll event type to scrollwin event type
         eventType += wxEVT_SCROLLWIN_TOP - wxEVT_SCROLL_TOP;
-        const int orient = range == win->m_scrollBar[0] ? wxHORIZONTAL : wxVERTICAL;
-        const int i = orient == wxVERTICAL;
+
+        // find the scrollbar which generated the event
+        wxWindowGTK::ScrollDir dir = win->ScrollDirFromRange(range);
+
+        // generate the corresponding wx event
+        const int orient = wxWindow::OrientFromScrollDir(dir);
         wxScrollWinEvent event(eventType, win->GetScrollPos(orient), orient);
         event.SetEventObject(win);
-        win->m_blockValueChanged[i] = true;
-        win->GetEventHandler()->ProcessEvent(event);
-        win->m_blockValueChanged[i] = false;
+
+        win->GTKProcessEvent(event);
     }
 }
-}
 
 //-----------------------------------------------------------------------------
 // "button_press_event" from scrollbar
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static gboolean
 gtk_scrollbar_button_press_event(GtkRange*, GdkEventButton*, wxWindow* win)
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     g_blockEventsOnScroll = true;
     win->m_mouseButtonDown = true;
 
     return false;
 }
-}
 
 //-----------------------------------------------------------------------------
 // "event_after" from scrollbar
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static void
 gtk_scrollbar_event_after(GtkRange* range, GdkEvent* event, wxWindow* win)
 {
@@ -2165,19 +2038,18 @@ gtk_scrollbar_event_after(GtkRange* range, GdkEvent* event, wxWindow* win)
     {
         g_signal_handlers_block_by_func(range, (void*)gtk_scrollbar_event_after, win);
 
-        const int orient = range == win->m_scrollBar[0] ? wxHORIZONTAL : wxVERTICAL;
+        const int orient = wxWindow::OrientFromScrollDir(
+                                        win->ScrollDirFromRange(range));
         wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBRELEASE, win->GetScrollPos(orient), orient);
         event.SetEventObject(win);
-        win->GetEventHandler()->ProcessEvent(event);
+        win->GTKProcessEvent(event);
     }
 }
-}
 
 //-----------------------------------------------------------------------------
 // "button_release_event" from scrollbar
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static gboolean
 gtk_scrollbar_button_release_event(GtkRange* range, GdkEventButton*, wxWindow* win)
 {
@@ -2197,35 +2069,16 @@ gtk_scrollbar_button_release_event(GtkRange* range, GdkEventButton*, wxWindow* w
 
     return false;
 }
-}
-
-// ----------------------------------------------------------------------------
-// this wxWindowBase function is implemented here (in platform-specific file)
-// because it is static and so couldn't be made virtual
-// ----------------------------------------------------------------------------
-
-wxWindow *wxWindowBase::DoFindFocus()
-{
-    // the cast is necessary when we compile in wxUniversal mode
-    return (wxWindow *)g_focusWindow;
-}
 
 //-----------------------------------------------------------------------------
 // "realize" from m_widget
 //-----------------------------------------------------------------------------
 
-/* We cannot set colours and fonts before the widget has
-   been realized, so we do this directly after realization. */
-
-extern "C" {
 static void
 gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win )
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     if (win->m_imData)
     {
         GtkPizza *pizza = GTK_PIZZA( m_widget );
@@ -2233,31 +2086,42 @@ gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win )
                                           pizza->bin_window );
     }
 
+    // We cannot set colours and fonts before the widget
+    // been realized, so we do this directly after realization
+    // or otherwise in idle time
+
+    if (win->m_needsStyleChange)
+    {
+        win->SetBackgroundStyle(win->GetBackgroundStyle());
+        win->m_needsStyleChange = false;
+    }
+
     wxWindowCreateEvent event( win );
     event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
-}
+    win->GTKProcessEvent( event );
 }
 
 //-----------------------------------------------------------------------------
 // "size_allocate"
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static
 void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
-                               GtkAllocation *WXUNUSED(alloc),
+                               GtkAllocation *alloc,
                                wxWindow *win )
 {
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     int client_width = 0;
     int client_height = 0;
     win->GetClientSize( &client_width, &client_height );
     if ((client_width == win->m_oldClientWidth) && (client_height == win->m_oldClientHeight))
         return;
 
+    if ( !client_width && !client_height )
+    {
+        // the window is currently unmapped, don't generate size events
+        return;
+    }
+
     win->m_oldClientWidth = client_width;
     win->m_oldClientHeight = client_height;
 
@@ -2265,137 +2129,21 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
     {
         wxSizeEvent event( win->GetSize(), win->GetId() );
         event.SetEventObject( win );
-        win->GetEventHandler()->ProcessEvent( event );
-    }
-}
-}
-
-
-#ifdef HAVE_XIM
-    #define WXUNUSED_UNLESS_XIM(param)  param
-#else
-    #define WXUNUSED_UNLESS_XIM(param)  WXUNUSED(param)
-#endif
-
-/* Resize XIM window */
-
-extern "C" {
-static
-void gtk_wxwindow_size_callback( GtkWidget* WXUNUSED_UNLESS_XIM(widget),
-                                 GtkAllocation* WXUNUSED_UNLESS_XIM(alloc),
-                                 wxWindowGTK* WXUNUSED_UNLESS_XIM(win) )
-{
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-#ifdef HAVE_XIM
-    if (!win->m_ic)
-        return;
-
-    if  (gdk_ic_get_style (win->m_ic) & GDK_IM_PREEDIT_POSITION)
-    {
-        gint width, height;
-
-        gdk_drawable_get_size (widget->window, &width, &height);
-        win->m_icattr->preedit_area.width = width;
-        win->m_icattr->preedit_area.height = height;
-        gdk_ic_set_attr (win->m_ic, win->m_icattr, GDK_IC_PREEDIT_AREA);
+        win->GTKProcessEvent( event );
     }
-#endif // HAVE_XIM
-}
 }
 
-//-----------------------------------------------------------------------------
-// "realize" from m_wxwindow
-//-----------------------------------------------------------------------------
+} // extern "C"
 
-/* Initialize XIM support */
+// ----------------------------------------------------------------------------
+// this wxWindowBase function is implemented here (in platform-specific file)
+// because it is static and so couldn't be made virtual
+// ----------------------------------------------------------------------------
 
-extern "C" {
-static void
-gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
-                                wxWindowGTK * WXUNUSED_UNLESS_XIM(win) )
+wxWindow *wxWindowBase::DoFindFocus()
 {
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-#ifdef HAVE_XIM
-    if (win->m_ic) return;
-    if (!widget) return;
-    if (!gdk_im_ready()) return;
-
-    win->m_icattr = gdk_ic_attr_new();
-    if (!win->m_icattr) return;
-
-    gint width, height;
-    GdkEventMask mask;
-    GdkColormap *colormap;
-    GdkICAttr *attr = win->m_icattr;
-    unsigned attrmask = GDK_IC_ALL_REQ;
-    GdkIMStyle style;
-    GdkIMStyle supported_style = (GdkIMStyle)
-                                  (GDK_IM_PREEDIT_NONE |
-                                   GDK_IM_PREEDIT_NOTHING |
-                                   GDK_IM_PREEDIT_POSITION |
-                                   GDK_IM_STATUS_NONE |
-                                   GDK_IM_STATUS_NOTHING);
-
-    if (widget->style && widget->style->font->type != GDK_FONT_FONTSET)
-        supported_style = (GdkIMStyle)(supported_style & ~GDK_IM_PREEDIT_POSITION);
-
-    attr->style = style = gdk_im_decide_style (supported_style);
-    attr->client_window = widget->window;
-
-    if ((colormap = gtk_widget_get_colormap (widget)) !=
-            gtk_widget_get_default_colormap ())
-    {
-        attrmask |= GDK_IC_PREEDIT_COLORMAP;
-        attr->preedit_colormap = colormap;
-    }
-
-    attrmask |= GDK_IC_PREEDIT_FOREGROUND;
-    attrmask |= GDK_IC_PREEDIT_BACKGROUND;
-    attr->preedit_foreground = widget->style->fg[GTK_STATE_NORMAL];
-    attr->preedit_background = widget->style->base[GTK_STATE_NORMAL];
-
-    switch (style & GDK_IM_PREEDIT_MASK)
-    {
-        case GDK_IM_PREEDIT_POSITION:
-            if (widget->style && widget->style->font->type != GDK_FONT_FONTSET)
-            {
-                g_warning ("over-the-spot style requires fontset");
-                break;
-            }
-
-            gdk_drawable_get_size (widget->window, &width, &height);
-
-            attrmask |= GDK_IC_PREEDIT_POSITION_REQ;
-            attr->spot_location.x = 0;
-            attr->spot_location.y = height;
-            attr->preedit_area.x = 0;
-            attr->preedit_area.y = 0;
-            attr->preedit_area.width = width;
-            attr->preedit_area.height = height;
-            attr->preedit_fontset = widget->style->font;
-
-            break;
-    }
-
-      win->m_ic = gdk_ic_new (attr, (GdkICAttributesType)attrmask);
-
-      if (win->m_ic == NULL)
-          g_warning ("Can't create input context.");
-      else
-      {
-          mask = gdk_window_get_events (widget->window);
-          mask = (GdkEventMask)(mask | gdk_ic_get_events (win->m_ic));
-          gdk_window_set_events (widget->window, mask);
-
-          if (GTK_WIDGET_HAS_FOCUS(widget))
-              gdk_im_begin (win->m_ic, widget->window);
-      }
-#endif // HAVE_XIM
-}
+    // the cast is necessary when we compile in wxUniversal mode
+    return (wxWindow *)g_focusWindow;
 }
 
 //-----------------------------------------------------------------------------
@@ -2414,11 +2162,11 @@ static void wxInsertChildInWindow( wxWindowGTK* parent, wxWindowGTK* child )
     /* the window might have been scrolled already, do we
        have to adapt the position */
     GtkPizza *pizza = GTK_PIZZA(parent->m_wxwindow);
-    child->m_x += pizza->xoffset;
-    child->m_y += pizza->yoffset;
+    child->m_x += gtk_pizza_get_xoffset( pizza );
+    child->m_y += gtk_pizza_get_yoffset( pizza );
 
     gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
-                     GTK_WIDGET(child->m_widget),
+                     child->m_widget,
                      child->m_x,
                      child->m_y,
                      child->m_width,
@@ -2484,11 +2232,11 @@ void wxWindowGTK::Init()
     m_width = 0;
     m_height = 0;
 
-    m_sizeSet = false;
     m_hasVMT = false;
-    m_needParent = true;
     m_isBeingDeleted = false;
 
+    m_showOnIdle= false;
+
     m_noExpose = false;
     m_nativeSizeEvent = false;
 
@@ -2497,21 +2245,20 @@ void wxWindowGTK::Init()
     m_mouseButtonDown = false;
     m_blockScrollEvent = false;
 
-    m_scrollBar[0] =
-    m_scrollBar[1] = NULL;
-    m_scrollPos[0] =
-    m_scrollPos[1] = 0;
-    m_blockValueChanged[0] =
-    m_blockValueChanged[1] = false;
+    // initialize scrolling stuff
+    for ( int dir = 0; dir < ScrollDir_Max; dir++ )
+    {
+        m_scrollBar[dir] = NULL;
+        m_scrollPos[dir] = 0;
+    }
 
     m_oldClientWidth =
     m_oldClientHeight = 0;
 
     m_resizing = false;
 
-    m_insertCallback = (wxInsertChildFunction) NULL;
+    m_insertCallback = wxInsertChildInWindow;
 
-    m_acceptsFocus = false;
     m_hasFocus = false;
 
     m_clipPaintRegion = false;
@@ -2555,76 +2302,95 @@ bool wxWindowGTK::Create( wxWindow *parent,
         return false;
     }
 
-    m_insertCallback = wxInsertChildInWindow;
+    if (!HasFlag(wxHSCROLL) && !HasFlag(wxVSCROLL))
+    {
+        m_wxwindow = gtk_pizza_new_no_scroll();
 
-    m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
-    GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
+#ifndef __WXUNIVERSAL__
+        if (HasFlag(wxSIMPLE_BORDER))
+            gtk_container_set_border_width((GtkContainer*)m_wxwindow, 1);
+        else if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER))
+            gtk_container_set_border_width((GtkContainer*)m_wxwindow, 2);
+#endif // __WXUNIVERSAL__
 
-    GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget);
+        m_widget = m_wxwindow;
+    }
+    else
+    {
+        m_wxwindow = gtk_pizza_new();
 
-    GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) );
-    scroll_class->scrollbar_spacing = 0;
+#ifndef __WXUNIVERSAL__
+        if (HasFlag(wxSIMPLE_BORDER))
+            gtk_container_set_border_width((GtkContainer*)m_wxwindow, 1);
+        else if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER))
+            gtk_container_set_border_width((GtkContainer*)m_wxwindow, 2);
+#endif // __WXUNIVERSAL__
 
-    gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+        m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
 
-    m_scrollBar[0] = GTK_RANGE(scrolledWindow->hscrollbar);
-    m_scrollBar[1] = GTK_RANGE(scrolledWindow->vscrollbar);
+        GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget);
 
-    m_wxwindow = gtk_pizza_new();
+        GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) );
+        scroll_class->scrollbar_spacing = 0;
 
-#ifndef __WXUNIVERSAL__
-    GtkPizza *pizza = GTK_PIZZA(m_wxwindow);
+        // There is a conflict with default bindings at GTK+
+        // level between scrolled windows and notebooks both of which want to use
+        // Ctrl-PageUp/Down: scrolled windows for scrolling in the horizontal
+        // direction and notebooks for changing pages -- we decide that if we don't
+        // have wxHSCROLL style we can safely sacrifice horizontal scrolling if it
+        // means we can get working keyboard navigation in notebooks
+        if ( !HasFlag(wxHSCROLL) )
+        {
+            GtkBindingSet *
+                bindings = gtk_binding_set_by_class(G_OBJECT_GET_CLASS(m_widget));
+            if ( bindings )
+            {
+                gtk_binding_entry_remove(bindings, GDK_Page_Up, GDK_CONTROL_MASK);
+                gtk_binding_entry_remove(bindings, GDK_Page_Down, GDK_CONTROL_MASK);
+            }
+        }
 
-    if (HasFlag(wxRAISED_BORDER))
-    {
-        gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_OUT );
-    }
-    else if (HasFlag(wxSUNKEN_BORDER))
-    {
-        gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_IN );
-    }
-    else if (HasFlag(wxSIMPLE_BORDER))
-    {
-        gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_THIN );
-    }
-    else
-    {
-        gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_NONE );
-    }
-#endif // __WXUNIVERSAL__
+        if (HasFlag(wxALWAYS_SHOW_SB))
+        {
+            gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_ALWAYS, GTK_POLICY_ALWAYS );
 
-    gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
-
-    GTK_WIDGET_SET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
-    m_acceptsFocus = true;
-
-    // these handlers block mouse events to any window during scrolling such as
-    // motion events and prevent GTK and wxWidgets from fighting over where the
-    // slider should be
-    g_signal_connect(m_scrollBar[0], "button_press_event",
-                     G_CALLBACK(gtk_scrollbar_button_press_event), this);
-    g_signal_connect(m_scrollBar[1], "button_press_event",
-                     G_CALLBACK(gtk_scrollbar_button_press_event), this);
-    g_signal_connect(m_scrollBar[0], "button_release_event",
-                     G_CALLBACK(gtk_scrollbar_button_release_event), this);
-    g_signal_connect(m_scrollBar[1], "button_release_event",
-                     G_CALLBACK(gtk_scrollbar_button_release_event), this);
-    gulong handler_id;
-    handler_id = g_signal_connect(
-        m_scrollBar[0], "event_after", G_CALLBACK(gtk_scrollbar_event_after), this);
-    g_signal_handler_block(m_scrollBar[0], handler_id);
-    handler_id = g_signal_connect(
-        m_scrollBar[1], "event_after", G_CALLBACK(gtk_scrollbar_event_after), this);
-    g_signal_handler_block(m_scrollBar[1], handler_id);
-
-    // these handlers get notified when scrollbar slider moves
-
-    g_signal_connect(m_scrollBar[0], "value_changed",
-                     G_CALLBACK(gtk_scrollbar_value_changed), this);
-    g_signal_connect(m_scrollBar[1], "value_changed",
-                     G_CALLBACK(gtk_scrollbar_value_changed), this);
-
-    gtk_widget_show( m_wxwindow );
+            scrolledWindow->hscrollbar_visible = TRUE;
+            scrolledWindow->vscrollbar_visible = TRUE;
+        }
+        else
+        {
+            gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+        }
+
+        m_scrollBar[ScrollDir_Horz] = GTK_RANGE(scrolledWindow->hscrollbar);
+        m_scrollBar[ScrollDir_Vert] = GTK_RANGE(scrolledWindow->vscrollbar);
+        if (GetLayoutDirection() == wxLayout_RightToLeft)
+            gtk_range_set_inverted( m_scrollBar[ScrollDir_Horz], TRUE );
+
+        gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
+
+        // connect various scroll-related events
+        for ( int dir = 0; dir < ScrollDir_Max; dir++ )
+        {
+            // these handlers block mouse events to any window during scrolling
+            // such as motion events and prevent GTK and wxWidgets from fighting
+            // over where the slider should be
+            g_signal_connect(m_scrollBar[dir], "button_press_event",
+                         G_CALLBACK(gtk_scrollbar_button_press_event), this);
+            g_signal_connect(m_scrollBar[dir], "button_release_event",
+                         G_CALLBACK(gtk_scrollbar_button_release_event), this);
+
+            gulong handler_id = g_signal_connect(m_scrollBar[dir], "event_after",
+                                G_CALLBACK(gtk_scrollbar_event_after), this);
+            g_signal_handler_block(m_scrollBar[dir], handler_id);
+
+            // these handlers get notified when scrollbar slider moves
+            g_signal_connect_after(m_scrollBar[dir], "value_changed",
+                         G_CALLBACK(gtk_scrollbar_value_changed), this);
+        }
+
+        gtk_widget_show( m_wxwindow );
+    }
 
     if (m_parent)
         m_parent->DoAddChild( this );
@@ -2667,17 +2433,10 @@ wxWindowGTK::~wxWindowGTK()
     if (m_widget)
         Show( false );
 
-#ifdef HAVE_XIM
-    if (m_ic)
-        gdk_ic_destroy (m_ic);
-    if (m_icattr)
-        gdk_ic_attr_destroy (m_icattr);
-#endif
-
     // delete before the widgets to avoid a crash on solaris
     delete m_imData;
 
-    if (m_wxwindow)
+    if (m_wxwindow && (m_wxwindow != m_widget))
     {
         gtk_widget_destroy( m_wxwindow );
         m_wxwindow = (GtkWidget*) NULL;
@@ -2692,7 +2451,10 @@ wxWindowGTK::~wxWindowGTK()
 
 bool wxWindowGTK::PreCreation( wxWindowGTK *parent, const wxPoint &pos,  const wxSize &size )
 {
-    wxCHECK_MSG( !m_needParent || parent, false, wxT("Need complete parent.") );
+    if ( GTKNeedsParent() )
+    {
+        wxCHECK_MSG( parent, false, wxT("Must have non-NULL parent") );
+    }
 
     // Use either the given size, or the default if -1 is given.
     // See wxWindowBase for these functions.
@@ -2715,12 +2477,11 @@ void wxWindowGTK::PostCreation()
         {
             // these get reported to wxWidgets -> wxPaintEvent
 
-            gtk_pizza_set_external( GTK_PIZZA(m_wxwindow), TRUE );
-
             g_signal_connect (m_wxwindow, "expose_event",
                               G_CALLBACK (gtk_window_expose_callback), this);
 
-            gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), HasFlag( wxFULL_REPAINT_ON_RESIZE ) );
+            if (GetLayoutDirection() == wxLayout_LeftToRight)
+                gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), HasFlag( wxFULL_REPAINT_ON_RESIZE ) );
         }
 
         // Create input method handler
@@ -2760,6 +2521,14 @@ void wxWindowGTK::PostCreation()
         }
     }
 
+    if ( !AcceptsFocusFromKeyboard() )
+    {
+        SetCanFocus(false);
+
+        g_signal_connect(m_widget, "focus",
+                            G_CALLBACK(wx_window_focus_callback), this);
+    }
+
     // connect to the various key and mouse handlers
 
     GtkWidget *connect_widget = GetConnectWidget();
@@ -2776,16 +2545,9 @@ void wxWindowGTK::PostCreation()
         // Catch native resize events
         g_signal_connect (m_wxwindow, "size_allocate",
                           G_CALLBACK (gtk_window_size_callback), this);
-
-        // Initialize XIM support
-        g_signal_connect (m_wxwindow, "realize",
-                          G_CALLBACK (gtk_wxwindow_realized_callback), this);
-
-        // And resize XIM window
-        g_signal_connect (m_wxwindow, "size_allocate",
-                          G_CALLBACK (gtk_wxwindow_size_callback), this);
     }
 
+#if wxUSE_COMBOBOX
     if (GTK_IS_COMBO(m_widget))
     {
         GtkCombo *gcombo = GTK_COMBO(m_widget);
@@ -2793,17 +2555,18 @@ void wxWindowGTK::PostCreation()
         g_signal_connect (gcombo->entry, "size_request",
                           G_CALLBACK (wxgtk_combo_size_request_callback),
                           this);
-    }
+    } else
+#endif // wxUSE_COMBOBOX
 #ifdef GTK_IS_FILE_CHOOSER_BUTTON
-    else if (GTK_IS_FILE_CHOOSER_BUTTON(m_widget))
+    if (!gtk_check_version(2,6,0) && GTK_IS_FILE_CHOOSER_BUTTON(m_widget))
     {
         // If we connect to the "size_request" signal of a GtkFileChooserButton
         // then that control won't be sized properly when placed inside sizers
         // (this can be tested removing this elseif and running XRC or WIDGETS samples)
         // FIXME: what should be done here ?
-    }
+    } else
 #endif
-    else
+    if ( !IsTopLevel() ) // top level windows use their own callback
     {
         // This is needed if we want to add our windows into native
         // GTK controls, such as the toolbar. With this callback, the
@@ -2818,6 +2581,8 @@ void wxWindowGTK::PostCreation()
 
     m_hasVMT = true;
 
+    SetLayoutDirection(wxLayout_Default);
+
     // unless the window was created initially hidden (i.e. Hide() had been
     // called before Create()), we should show it at GTK+ level as well
     if ( IsShown() )
@@ -2857,7 +2622,26 @@ bool wxWindowGTK::Destroy()
 
 void wxWindowGTK::DoMoveWindow(int x, int y, int width, int height)
 {
+    // inform the parent to perform the move
     gtk_pizza_set_size( GTK_PIZZA(m_parent->m_wxwindow), m_widget, x, y, width, height );
+
+}
+
+void wxWindowGTK::ConstrainSize()
+{
+#ifdef __WXGPE__
+    // GPE's window manager doesn't like size hints at all, esp. when the user
+    // has to use the virtual keyboard, so don't constrain size there
+    if (!IsTopLevel())
+#endif
+    {
+        const wxSize minSize = GetMinSize();
+        const wxSize maxSize = GetMaxSize();
+        if (minSize.x > 0 && m_width  < minSize.x) m_width  = minSize.x;
+        if (minSize.y > 0 && m_height < minSize.y) m_height = minSize.y;
+        if (maxSize.x > 0 && m_width  > maxSize.x) m_width  = maxSize.x;
+        if (maxSize.y > 0 && m_height > maxSize.y) m_height = maxSize.y;
+    }
 }
 
 void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
@@ -2865,10 +2649,6 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid window") );
     wxASSERT_MSG( (m_parent != NULL), wxT("wxWindowGTK::SetSize requires parent.\n") );
 
-/*
-    printf( "DoSetSize: name %s, x,y,w,h: %d,%d,%d,%d \n", GetName().c_str(), x,y,width,height );
-*/
-
     if (m_resizing) return; /* I don't like recursions */
     m_resizing = true;
 
@@ -2896,24 +2676,14 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
     if (height != -1)
         m_height = height;
 
-    int minWidth  = GetMinWidth(),
-        minHeight = GetMinHeight(),
-        maxWidth  = GetMaxWidth(),
-        maxHeight = GetMaxHeight();
-
-    if ((minWidth  != -1) && (m_width  < minWidth )) m_width  = minWidth;
-    if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
-    if ((maxWidth  != -1) && (m_width  > maxWidth )) m_width  = maxWidth;
-    if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
+    ConstrainSize();
 
 #if wxUSE_TOOLBAR_NATIVE
     if (wxDynamicCast(GetParent(), wxToolBar))
     {
        // don't take the x,y values, they're wrong because toolbar sets them
-       GtkWidget  *widget = GTK_WIDGET(m_widget);
+       GtkWidget  *widget = m_widget;
        gtk_widget_set_size_request (widget, m_width, m_height);
-       if (GTK_WIDGET_VISIBLE (widget))
-            gtk_widget_queue_resize (widget);
     }
     else
 #endif
@@ -2930,13 +2700,13 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
         GtkPizza *pizza = GTK_PIZZA(m_parent->m_wxwindow);
         if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0)
         {
-            if (x != -1) m_x = x + pizza->xoffset;
-            if (y != -1) m_y = y + pizza->yoffset;
+            if (x != -1) m_x = x + gtk_pizza_get_xoffset( pizza );
+            if (y != -1) m_y = y + gtk_pizza_get_yoffset( pizza );
         }
         else
         {
-            m_x = x + pizza->xoffset;
-            m_y = y + pizza->yoffset;
+            m_x = x + gtk_pizza_get_xoffset( pizza );
+            m_y = y + gtk_pizza_get_yoffset( pizza );
         }
 
         int left_border = 0;
@@ -2955,12 +2725,12 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
                 right_border += default_border->right;
                 top_border += default_border->top;
                 bottom_border += default_border->bottom;
-                g_free( default_border );
+                gtk_border_free( default_border );
             }
         }
 
-        DoMoveWindow( m_x-top_border,
-                      m_y-left_border,
+        DoMoveWindow( m_x - left_border,
+                      m_y - top_border,
                       m_width+left_border+right_border,
                       m_height+top_border+bottom_border );
     }
@@ -2993,8 +2763,32 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
     m_resizing = false;
 }
 
+bool wxWindowGTK::GtkShowFromOnIdle()
+{
+    if (IsShown() && m_showOnIdle && !GTK_WIDGET_VISIBLE (m_widget))
+    {
+        GtkAllocation alloc;
+        alloc.x = m_x;
+        alloc.y = m_y;
+        alloc.width = m_width;
+        alloc.height = m_height;
+        gtk_widget_size_allocate( m_widget, &alloc );
+        gtk_widget_show( m_widget );
+        wxShowEvent eventShow(GetId(), true);
+        eventShow.SetEventObject(this);
+        GetEventHandler()->ProcessEvent(eventShow);
+        m_showOnIdle = false;
+        return true;
+    }
+
+    return false;
+}
+
 void wxWindowGTK::OnInternalIdle()
 {
+    // Check if we have to show window now
+    if (GtkShowFromOnIdle()) return;
+
     if ( m_dirtyTabOrder )
     {
         m_dirtyTabOrder = false;
@@ -3009,9 +2803,6 @@ void wxWindowGTK::OnInternalIdle()
         m_needsStyleChange = false;
     }
 
-    // Update invalidated regions.
-    GtkUpdate();
-
     wxCursor cursor = m_cursor;
     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 
@@ -3022,7 +2813,7 @@ void wxWindowGTK::OnInternalIdle()
            windows above so that checking for the current cursor is
            not possible. */
 
-        if (m_wxwindow)
+        if (m_wxwindow && (m_wxwindow != m_widget))
         {
             GdkWindow *window = GTK_PIZZA(m_wxwindow)->bin_window;
             if (window)
@@ -3060,36 +2851,9 @@ void wxWindowGTK::DoSetClientSize( int width, int height )
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
 
-    if (m_wxwindow)
-    {
-        int dw = 0;
-        int dh = 0;
-
-        if (m_hasScrolling)
-        {
-            GetScrollbarWidth(m_widget, dw, dh);
-        }
-
-#ifndef __WXUNIVERSAL__
-        if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER))
-        {
-            // shadow border size is 2
-            dw += 2 * 2;
-            dh += 2 * 2;
-        }
-        if (HasFlag(wxSIMPLE_BORDER))
-        {
-            // simple border size is 1
-            dw += 1 * 2;
-            dh += 1 * 2;
-        }
-#endif // __WXUNIVERSAL__
-
-        width += dw;
-        height += dh;
-    }
-
-    SetSize(width, height);
+    const wxSize size = GetSize();
+    const wxSize clientSize = GetClientSize();
+    SetSize(width + (size.x - clientSize.x), height + (size.y - clientSize.y));
 }
 
 void wxWindowGTK::DoGetClientSize( int *width, int *height ) const
@@ -3105,27 +2869,18 @@ void wxWindowGTK::DoGetClientSize( int *width, int *height ) const
         int dh = 0;
 
         if (m_hasScrolling)
-        {
             GetScrollbarWidth(m_widget, dw, dh);
-        }
 
-#ifndef __WXUNIVERSAL__
-        if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER))
-        {
-            // shadow border size is 2
-            dw += 2 * 2;
-            dh += 2 * 2;
-        }
-        if (HasFlag(wxSIMPLE_BORDER))
-        {
-            // simple border size is 1
-            dw += 1 * 2;
-            dh += 1 * 2;
-        }
-#endif // __WXUNIVERSAL__
+        const int border = GTK_CONTAINER(m_wxwindow)->border_width;
+        dw += 2 * border;
+        dh += 2 * border;
 
         w -= dw;
         h -= dh;
+        if (w < 0)
+            w = 0;
+        if (h < 0)
+            h = 0;
     }
 
     if (width) *width = w;
@@ -3141,8 +2896,30 @@ void wxWindowGTK::DoGetPosition( int *x, int *y ) const
     if (m_parent && m_parent->m_wxwindow)
     {
         GtkPizza *pizza = GTK_PIZZA(m_parent->m_wxwindow);
-        dx = pizza->xoffset;
-        dy = pizza->yoffset;
+        dx = gtk_pizza_get_xoffset( pizza );
+        dy = gtk_pizza_get_yoffset( pizza );
+    }
+
+    if (m_x == -1 && m_y == -1)
+    {
+        GdkWindow *source = (GdkWindow *) NULL;
+        if (m_wxwindow)
+            source = GTK_PIZZA(m_wxwindow)->bin_window;
+        else
+            source = m_widget->window;
+
+        if (source)
+        {
+            int org_x = 0;
+            int org_y = 0;
+            gdk_window_get_origin( source, &org_x, &org_y );
+
+            if (m_parent)
+                m_parent->ScreenToClient(&org_x, &org_y);
+
+            wx_const_cast(wxWindowGTK*, this)->m_x = org_x;
+            wx_const_cast(wxWindowGTK*, this)->m_y = org_y;
+        }
     }
 
     if (x) (*x) = m_x - dx;
@@ -3174,7 +2951,15 @@ void wxWindowGTK::DoClientToScreen( int *x, int *y ) const
         }
     }
 
-    if (x) *x += org_x;
+
+    if (x)
+    {
+        if (GetLayoutDirection() == wxLayout_RightToLeft)
+            *x = (GetClientSize().x - *x) + org_x;
+        else
+            *x += org_x;
+    }
+
     if (y) *y += org_y;
 }
 
@@ -3203,7 +2988,13 @@ void wxWindowGTK::DoScreenToClient( int *x, int *y ) const
         }
     }
 
-    if (x) *x -= org_x;
+    if (x)
+    {
+        if (GetLayoutDirection() == wxLayout_RightToLeft)
+            *x = (GetClientSize().x - *x) - org_x;
+        else
+            *x -= org_x;
+    }
     if (y) *y -= org_y;
 }
 
@@ -3218,52 +3009,33 @@ bool wxWindowGTK::Show( bool show )
     }
 
     if (show)
-        gtk_widget_show( m_widget );
+    {
+        if (!m_showOnIdle)
+        {
+            gtk_widget_show( m_widget );
+            wxShowEvent eventShow(GetId(), show);
+            eventShow.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(eventShow);
+        }
+    }
     else
+    {
         gtk_widget_hide( m_widget );
-
-    wxShowEvent eventShow(GetId(), show);
-    eventShow.SetEventObject(this);
-
-    GetEventHandler()->ProcessEvent(eventShow);
+        wxShowEvent eventShow(GetId(), show);
+        eventShow.SetEventObject(this);
+        GetEventHandler()->ProcessEvent(eventShow);
+    }
 
     return true;
 }
 
-static void wxWindowNotifyEnable(wxWindowGTK* win, bool enable)
+void wxWindowGTK::DoEnable( bool enable )
 {
-    win->OnParentEnable(enable);
-
-    // Recurse, so that children have the opportunity to Do The Right Thing
-    // and reset colours that have been messed up by a parent's (really ancestor's)
-    // Enable call
-    for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
-          node;
-          node = node->GetNext() )
-    {
-        wxWindow *child = node->GetData();
-        if (!child->IsKindOf(CLASSINFO(wxDialog)) && !child->IsKindOf(CLASSINFO(wxFrame)))
-            wxWindowNotifyEnable(child, enable);
-    }
-}
-
-bool wxWindowGTK::Enable( bool enable )
-{
-    wxCHECK_MSG( (m_widget != NULL), false, wxT("invalid window") );
-
-    if (!wxWindowBase::Enable(enable))
-    {
-        // nothing to do
-        return false;
-    }
+    wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
 
     gtk_widget_set_sensitive( m_widget, enable );
-    if ( m_wxwindow )
+    if (m_wxwindow && (m_wxwindow != m_widget))
         gtk_widget_set_sensitive( m_wxwindow, enable );
-
-    wxWindowNotifyEnable(this, enable);
-
-    return true;
 }
 
 int wxWindowGTK::GetCharHeight() const
@@ -3377,6 +3149,22 @@ void wxWindowGTK::GetTextExtent( const wxString& string,
     g_object_unref (layout);
 }
 
+bool wxWindowGTK::GTKSetDelayedFocusIfNeeded()
+{
+    if ( g_delayedFocus == this )
+    {
+        if ( GTK_WIDGET_REALIZED(m_widget) )
+        {
+            gtk_widget_grab_focus(m_widget);
+            g_delayedFocus = NULL;
+
+            return true;
+        }
+    }
+
+    return false;
+}
+
 void wxWindowGTK::SetFocus()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
@@ -3397,6 +3185,14 @@ void wxWindowGTK::SetFocus()
     {
         if (GTK_IS_CONTAINER(m_widget))
         {
+#if wxUSE_RADIOBTN
+            if (IsKindOf(CLASSINFO(wxRadioButton)))
+            {
+                gtk_widget_grab_focus (m_widget);
+                return;
+            }
+#endif // wxUSE_RADIOBTN
+
             gtk_widget_child_focus( m_widget, GTK_DIR_TAB_FORWARD );
         }
         else
@@ -3432,9 +3228,20 @@ void wxWindowGTK::SetFocus()
     }
 }
 
-bool wxWindowGTK::AcceptsFocus() const
+void wxWindowGTK::SetCanFocus(bool canFocus)
 {
-    return m_acceptsFocus && wxWindowBase::AcceptsFocus();
+    if ( canFocus )
+        GTK_WIDGET_SET_FLAGS(m_widget, GTK_CAN_FOCUS);
+    else
+        GTK_WIDGET_UNSET_FLAGS(m_widget, GTK_CAN_FOCUS);
+
+    if ( m_wxwindow && (m_widget != m_wxwindow) )
+    {
+        if ( canFocus )
+            GTK_WIDGET_SET_FLAGS(m_wxwindow, GTK_CAN_FOCUS);
+        else
+            GTK_WIDGET_UNSET_FLAGS(m_wxwindow, GTK_CAN_FOCUS);
+    }
 }
 
 bool wxWindowGTK::Reparent( wxWindowBase *newParentBase )
@@ -3463,6 +3270,12 @@ bool wxWindowGTK::Reparent( wxWindowBase *newParentBase )
 
     if (newParent)
     {
+        if (GTK_WIDGET_VISIBLE (newParent->m_widget))
+        {
+            m_showOnIdle = true;
+            gtk_widget_hide( m_widget );
+        }
+
         /* insert GTK representation */
         (*(newParent->m_insertCallback))(newParent, this);
     }
@@ -3470,17 +3283,16 @@ bool wxWindowGTK::Reparent( wxWindowBase *newParentBase )
     /* reverse: prevent GTK from deleting the widget arbitrarily */
     gtk_widget_unref( m_widget );
 
+    SetLayoutDirection(wxLayout_Default);
+
     return true;
 }
 
 void wxWindowGTK::DoAddChild(wxWindowGTK *child)
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid window") );
-
     wxASSERT_MSG( (child != NULL), wxT("invalid child window") );
 
-    wxASSERT_MSG( (m_insertCallback != NULL), wxT("invalid child insertion function") );
-
     /* add to list */
     AddChild( child );
 
@@ -3492,24 +3304,102 @@ void wxWindowGTK::AddChild(wxWindowBase *child)
 {
     wxWindowBase::AddChild(child);
     m_dirtyTabOrder = true;
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    wxTheApp->WakeUpIdle();
 }
 
 void wxWindowGTK::RemoveChild(wxWindowBase *child)
 {
     wxWindowBase::RemoveChild(child);
     m_dirtyTabOrder = true;
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    wxTheApp->WakeUpIdle();
+}
+
+/* static */
+wxLayoutDirection wxWindowGTK::GTKGetLayout(GtkWidget *widget)
+{
+    return gtk_widget_get_direction(widget) == GTK_TEXT_DIR_RTL
+                ? wxLayout_RightToLeft
+                : wxLayout_LeftToRight;
+}
+
+/* static */
+void wxWindowGTK::GTKSetLayout(GtkWidget *widget, wxLayoutDirection dir)
+{
+    wxASSERT_MSG( dir != wxLayout_Default, _T("invalid layout direction") );
+
+    gtk_widget_set_direction(widget,
+                             dir == wxLayout_RightToLeft ? GTK_TEXT_DIR_RTL
+                                                         : GTK_TEXT_DIR_LTR);
+}
+
+wxLayoutDirection wxWindowGTK::GetLayoutDirection() const
+{
+    return GTKGetLayout(m_widget);
+}
+
+void wxWindowGTK::SetLayoutDirection(wxLayoutDirection dir)
+{
+    if ( dir == wxLayout_Default )
+    {
+        const wxWindow *const parent = GetParent();
+        if ( parent )
+        {
+            // inherit layout from parent.
+            dir = parent->GetLayoutDirection();
+        }
+        else // no parent, use global default layout
+        {
+            dir = wxTheApp->GetLayoutDirection();
+        }
+    }
+
+    if ( dir == wxLayout_Default )
+        return;
+
+    GTKSetLayout(m_widget, dir);
+
+    if (m_wxwindow && (m_wxwindow != m_widget))
+        GTKSetLayout(m_wxwindow, dir);
+}
+
+wxCoord
+wxWindowGTK::AdjustForLayoutDirection(wxCoord x,
+                                      wxCoord WXUNUSED(width),
+                                      wxCoord WXUNUSED(widthTotal)) const
+{
+    // We now mirrors the coordinates of RTL windows in GtkPizza
+    return x;
 }
 
 void wxWindowGTK::DoMoveInTabOrder(wxWindow *win, MoveKind move)
 {
     wxWindowBase::DoMoveInTabOrder(win, move);
     m_dirtyTabOrder = true;
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    wxTheApp->WakeUpIdle();
+}
+
+bool wxWindowGTK::DoNavigateIn(int flags)
+{
+    if ( flags & wxNavigationKeyEvent::WinChange )
+    {
+        wxFAIL_MSG( _T("not implemented") );
+
+        return false;
+    }
+    else // navigate inside the container
+    {
+        wxWindow *parent = wxGetTopLevelParent((wxWindow *)this);
+        wxCHECK_MSG( parent, false, _T("every window must have a TLW parent") );
+
+        GtkDirectionType dir;
+        dir = flags & wxNavigationKeyEvent::IsForward ? GTK_DIR_TAB_FORWARD
+                                                      : GTK_DIR_TAB_BACKWARD;
+
+        gboolean rc;
+        g_signal_emit_by_name(parent->m_widget, "focus", dir, &rc);
+
+        return rc == TRUE;
+    }
 }
 
 bool wxWindowGTK::GTKWidgetNeedsMnemonic() const
@@ -3614,18 +3504,41 @@ void wxWindowGTK::Lower()
 
 bool wxWindowGTK::SetCursor( const wxCursor &cursor )
 {
-    wxCHECK_MSG( (m_widget != NULL), false, wxT("invalid window") );
+    if ( !wxWindowBase::SetCursor(cursor.Ok() ? cursor : *wxSTANDARD_CURSOR) )
+        return false;
 
-    if (cursor == m_cursor)
-       return false;
+    GTKUpdateCursor();
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    return true;
+}
 
-    if (cursor == wxNullCursor)
-       return wxWindowBase::SetCursor( *wxSTANDARD_CURSOR );
-    else
-       return wxWindowBase::SetCursor( cursor );
+void wxWindowGTK::GTKUpdateCursor()
+{
+    wxCursor cursor(g_globalCursor.Ok() ? g_globalCursor : GetCursor());
+    if ( cursor.Ok() )
+    {
+        wxArrayGdkWindows windowsThis;
+        GdkWindow * const winThis = GTKGetWindow(windowsThis);
+        if ( winThis )
+        {
+            gdk_window_set_cursor(winThis, cursor.GetCursor());
+        }
+        else
+        {
+            const size_t count = windowsThis.size();
+            for ( size_t n = 0; n < count; n++ )
+            {
+                GdkWindow *win = windowsThis[n];
+                if ( !win )
+                {
+                    wxFAIL_MSG(_T("NULL window returned by GTKGetWindow()?"));
+                    continue;
+                }
+
+                gdk_window_set_cursor(win, cursor.GetCursor());
+            }
+        }
+    }
 }
 
 void wxWindowGTK::WarpPointer( int x, int y )
@@ -3645,34 +3558,49 @@ void wxWindowGTK::WarpPointer( int x, int y )
         gdk_window_warp_pointer( window, x, y );
 }
 
-bool wxWindowGTK::ScrollLines(int lines)
+wxWindowGTK::ScrollDir wxWindowGTK::ScrollDirFromRange(GtkRange *range) const
 {
-    bool changed = false;
-    GtkRange* range = m_scrollBar[1];
-    if (range != NULL)
+    // find the scrollbar which generated the event
+    for ( int dir = 0; dir < ScrollDir_Max; dir++ )
     {
-        GtkAdjustment* adj = range->adjustment;
-        const int pos = int(adj->value + 0.5);
-        gtk_range_set_value(range, pos + lines);
-        changed = pos != int(adj->value + 0.5);
+        if ( range == m_scrollBar[dir] )
+            return (ScrollDir)dir;
     }
-    return changed;
+
+    wxFAIL_MSG( _T("event from unknown scrollbar received") );
+
+    return ScrollDir_Max;
 }
 
-bool wxWindowGTK::ScrollPages(int pages)
+bool wxWindowGTK::DoScrollByUnits(ScrollDir dir, ScrollUnit unit, int units)
 {
     bool changed = false;
-    GtkRange* range = m_scrollBar[1];
-    if (range != NULL)
+    GtkRange* range = m_scrollBar[dir];
+    if ( range && units )
     {
         GtkAdjustment* adj = range->adjustment;
-        const int pos = int(adj->value + 0.5);
-        gtk_range_set_value(range, pos + pages * adj->page_size);
-        changed = pos != int(adj->value + 0.5);
+        gdouble inc = unit == ScrollUnit_Line ? adj->step_increment
+                                              : adj->page_increment;
+
+        const int posOld = int(adj->value + 0.5);
+        gtk_range_set_value(range, posOld + units*inc);
+
+        changed = int(adj->value + 0.5) != posOld;
     }
+
     return changed;
 }
 
+bool wxWindowGTK::ScrollLines(int lines)
+{
+    return DoScrollByUnits(ScrollDir_Vert, ScrollUnit_Line, lines);
+}
+
+bool wxWindowGTK::ScrollPages(int pages)
+{
+    return DoScrollByUnits(ScrollDir_Vert, ScrollUnit_Page, pages);
+}
+
 void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
 {
     if (!m_widget)
@@ -3682,6 +3610,8 @@ void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
 
     if (m_wxwindow)
     {
+        if (!GTK_PIZZA(m_wxwindow)->bin_window) return;
+
         GdkRectangle gdk_rect,
                     *p;
         if (rect)
@@ -3690,6 +3620,9 @@ void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
             gdk_rect.y = rect->y;
             gdk_rect.width = rect->width;
             gdk_rect.height = rect->height;
+            if (GetLayoutDirection() == wxLayout_RightToLeft)
+                gdk_rect.x = GetClientSize().x - gdk_rect.x - gdk_rect.width;
+
             p = &gdk_rect;
         }
         else // invalidate everything
@@ -3716,6 +3649,8 @@ void wxWindowGTK::GtkUpdate()
 {
     if (m_wxwindow && GTK_PIZZA(m_wxwindow)->bin_window)
         gdk_window_process_updates( GTK_PIZZA(m_wxwindow)->bin_window, FALSE );
+    if (m_widget && m_widget->window && (m_wxwindow != m_widget))
+        gdk_window_process_updates( m_widget->window, FALSE );
 
     // for consistency with other platforms (and also because it's convenient
     // to be able to update an entire TLW by calling Update() only once), we
@@ -3728,6 +3663,20 @@ void wxWindowGTK::GtkUpdate()
     }
 }
 
+bool wxWindowGTK::DoIsExposed( int x, int y ) const
+{
+    return m_updateRegion.Contains(x, y) != wxOutRegion;
+}
+
+
+bool wxWindowGTK::DoIsExposed( int x, int y, int w, int h ) const
+{
+    if (GetLayoutDirection() == wxLayout_RightToLeft)
+        return m_updateRegion.Contains(x-w, y, w, h) != wxOutRegion;
+    else
+        return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
+}
+
 void wxWindowGTK::GtkSendPaintEvents()
 {
     if (!m_wxwindow)
@@ -3739,6 +3688,33 @@ void wxWindowGTK::GtkSendPaintEvents()
     // Clip to paint region in wxClientDC
     m_clipPaintRegion = true;
 
+    m_nativeUpdateRegion = m_updateRegion;
+
+    if (GetLayoutDirection() == wxLayout_RightToLeft)
+    {
+        // Transform m_updateRegion under RTL
+        m_updateRegion.Clear();
+
+        gint width;
+        gdk_window_get_geometry( GTK_PIZZA(m_wxwindow)->bin_window,
+                                 NULL, NULL, &width, NULL, NULL );
+
+        wxRegionIterator upd( m_nativeUpdateRegion );
+        while (upd)
+        {
+            wxRect rect;
+            rect.x = upd.GetX();
+            rect.y = upd.GetY();
+            rect.width = upd.GetWidth();
+            rect.height = upd.GetHeight();
+
+            rect.x = width - rect.x - rect.width;
+            m_updateRegion.Union( rect );
+
+            ++upd;
+        }
+    }
+
     // widget to draw on
     GtkPizza *pizza = GTK_PIZZA (m_wxwindow);
 
@@ -3751,7 +3727,7 @@ void wxWindowGTK::GtkSendPaintEvents()
 
         if (GTK_WIDGET_MAPPED(parent->m_widget))
         {
-            wxRegionIterator upd( m_updateRegion );
+            wxRegionIterator upd( m_nativeUpdateRegion );
             while (upd)
             {
                 GdkRectangle rect;
@@ -3774,7 +3750,6 @@ void wxWindowGTK::GtkSendPaintEvents()
         }
     }
     else
-
     {
         wxWindowDC dc( (wxWindow*)this );
         dc.SetClippingRegion( m_updateRegion );
@@ -3796,6 +3771,7 @@ void wxWindowGTK::GtkSendPaintEvents()
     m_clipPaintRegion = false;
 
     m_updateRegion.Clear();
+    m_nativeUpdateRegion.Clear();
 }
 
 void wxWindowGTK::SetDoubleBuffered( bool on )
@@ -3806,6 +3782,11 @@ void wxWindowGTK::SetDoubleBuffered( bool on )
         gtk_widget_set_double_buffered( m_wxwindow, on );
 }
 
+bool wxWindowGTK::IsDoubleBuffered() const
+{
+    return GTK_WIDGET_DOUBLE_BUFFERED( m_wxwindow );
+}
+
 void wxWindowGTK::ClearBackground()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
@@ -3820,10 +3801,9 @@ void wxWindowGTK::DoSetToolTip( wxToolTip *tip )
         m_tooltip->Apply( (wxWindow *)this );
 }
 
-void wxWindowGTK::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
+void wxWindowGTK::ApplyToolTip( GtkTooltips *tips, const gchar *tip )
 {
-    wxString tmp( tip );
-    gtk_tooltips_set_tip( tips, GetConnectWidget(), wxGTK_CONV(tmp), (gchar*) NULL );
+    gtk_tooltips_set_tip(tips, GetConnectWidget(), tip, NULL);
 }
 #endif // wxUSE_TOOLTIPS
 
@@ -3893,45 +3873,54 @@ GtkRcStyle *wxWindowGTK::CreateWidgetStyle(bool forceStyle)
             pango_font_description_copy( m_font.GetNativeFontInfo()->description );
     }
 
+    int flagsNormal = 0,
+        flagsPrelight = 0,
+        flagsActive = 0,
+        flagsInsensitive = 0;
+
     if ( m_foregroundColour.Ok() )
     {
         const GdkColor *fg = m_foregroundColour.GetColor();
 
-        style->fg[GTK_STATE_NORMAL] = *fg;
-        style->color_flags[GTK_STATE_NORMAL] = GTK_RC_FG;
+        style->fg[GTK_STATE_NORMAL] =
+        style->text[GTK_STATE_NORMAL] = *fg;
+        flagsNormal |= GTK_RC_FG | GTK_RC_TEXT;
 
-        style->fg[GTK_STATE_PRELIGHT] = *fg;
-        style->color_flags[GTK_STATE_PRELIGHT] = GTK_RC_FG;
+        style->fg[GTK_STATE_PRELIGHT] =
+        style->text[GTK_STATE_PRELIGHT] = *fg;
+        flagsPrelight |= GTK_RC_FG | GTK_RC_TEXT;
 
-        style->fg[GTK_STATE_ACTIVE] = *fg;
-        style->color_flags[GTK_STATE_ACTIVE] = GTK_RC_FG;
+        style->fg[GTK_STATE_ACTIVE] =
+        style->text[GTK_STATE_ACTIVE] = *fg;
+        flagsActive |= GTK_RC_FG | GTK_RC_TEXT;
     }
 
     if ( m_backgroundColour.Ok() )
     {
         const GdkColor *bg = m_backgroundColour.GetColor();
 
-        style->bg[GTK_STATE_NORMAL] = *bg;
+        style->bg[GTK_STATE_NORMAL] =
         style->base[GTK_STATE_NORMAL] = *bg;
-        style->color_flags[GTK_STATE_NORMAL] = (GtkRcFlags)
-            (style->color_flags[GTK_STATE_NORMAL] | GTK_RC_BG | GTK_RC_BASE);
+        flagsNormal |= GTK_RC_BG | GTK_RC_BASE;
 
-        style->bg[GTK_STATE_PRELIGHT] = *bg;
+        style->bg[GTK_STATE_PRELIGHT] =
         style->base[GTK_STATE_PRELIGHT] = *bg;
-        style->color_flags[GTK_STATE_PRELIGHT] = (GtkRcFlags)
-            (style->color_flags[GTK_STATE_PRELIGHT] | GTK_RC_BG | GTK_RC_BASE);
+        flagsPrelight |= GTK_RC_BG | GTK_RC_BASE;
 
-        style->bg[GTK_STATE_ACTIVE] = *bg;
+        style->bg[GTK_STATE_ACTIVE] =
         style->base[GTK_STATE_ACTIVE] = *bg;
-        style->color_flags[GTK_STATE_ACTIVE] = (GtkRcFlags)
-            (style->color_flags[GTK_STATE_ACTIVE] | GTK_RC_BG | GTK_RC_BASE);
+        flagsActive |= GTK_RC_BG | GTK_RC_BASE;
 
-        style->bg[GTK_STATE_INSENSITIVE] = *bg;
+        style->bg[GTK_STATE_INSENSITIVE] =
         style->base[GTK_STATE_INSENSITIVE] = *bg;
-        style->color_flags[GTK_STATE_INSENSITIVE] = (GtkRcFlags)
-            (style->color_flags[GTK_STATE_INSENSITIVE] | GTK_RC_BG | GTK_RC_BASE);
+        flagsInsensitive |= GTK_RC_BG | GTK_RC_BASE;
     }
 
+    style->color_flags[GTK_STATE_NORMAL] = (GtkRcFlags)flagsNormal;
+    style->color_flags[GTK_STATE_PRELIGHT] = (GtkRcFlags)flagsPrelight;
+    style->color_flags[GTK_STATE_ACTIVE] = (GtkRcFlags)flagsActive;
+    style->color_flags[GTK_STATE_INSENSITIVE] = (GtkRcFlags)flagsInsensitive;
+
     return style;
 }
 
@@ -3962,11 +3951,16 @@ bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style)
 
     if (style == wxBG_STYLE_CUSTOM)
     {
-        GdkWindow *window = (GdkWindow*) NULL;
-        if (m_wxwindow)
+        GdkWindow *window;
+        if ( m_wxwindow )
+        {
             window = GTK_PIZZA(m_wxwindow)->bin_window;
+        }
         else
-            window = GetConnectWidget()->window;
+        {
+            GtkWidget * const w = GetConnectWidget();
+            window = w ? w->window : NULL;
+        }
 
         if (window)
         {
@@ -3979,9 +3973,11 @@ bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style)
 #endif
             m_needsStyleChange = false;
         }
-        else
+        else // window not realized yet
+        {
             // Do in OnIdle, because the window is not yet available
             m_needsStyleChange = true;
+        }
 
         // Don't apply widget style, or we get a grey background
     }
@@ -4020,12 +4016,18 @@ GtkWidget* wxWindowGTK::GetConnectWidget()
     return connect_widget;
 }
 
-bool wxWindowGTK::IsOwnGtkWindow( GdkWindow *window )
+bool wxWindowGTK::GTKIsOwnWindow(GdkWindow *window) const
 {
-    if (m_wxwindow)
-        return (window == GTK_PIZZA(m_wxwindow)->bin_window);
+    wxArrayGdkWindows windowsThis;
+    GdkWindow * const winThis = GTKGetWindow(windowsThis);
 
-    return (window == m_widget->window);
+    return winThis ? window == winThis
+                   : windowsThis.Index(window) != wxNOT_FOUND;
+}
+
+GdkWindow *wxWindowGTK::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
+{
+    return m_wxwindow ? GTK_PIZZA(m_wxwindow)->bin_window : m_widget->window;
 }
 
 bool wxWindowGTK::SetFont( const wxFont &font )
@@ -4114,11 +4116,14 @@ void wxWindowGTK::UnblockScrollEvent()
     m_blockScrollEvent = false;
 }
 
-void wxWindowGTK::SetScrollbar( int orient, int pos, int thumbVisible,
-      int range, bool )
+void wxWindowGTK::SetScrollbar(int orient,
+                               int pos,
+                               int thumbVisible,
+                               int range,
+                               bool WXUNUSED(update))
 {
-    wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
-    wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") );
+    GtkRange * const sb = m_scrollBar[ScrollDirFromOrient(orient)];
+    wxCHECK_RET( sb, _T("this window is not scrollable") );
 
     if (range > 0)
     {
@@ -4135,8 +4140,7 @@ void wxWindowGTK::SetScrollbar( int orient, int pos, int thumbVisible,
         pos = range - thumbVisible;
     if (pos < 0)
         pos = 0;
-    const int i = orient == wxVERTICAL;
-    GtkAdjustment* adj = m_scrollBar[i]->adjustment;
+    GtkAdjustment * const adj = sb->adjustment;
     adj->step_increment = 1;
     adj->page_increment =
     adj->page_size = thumbVisible;
@@ -4145,57 +4149,56 @@ void wxWindowGTK::SetScrollbar( int orient, int pos, int thumbVisible,
     gtk_adjustment_changed(adj);
 }
 
-void wxWindowGTK::SetScrollPos( int orient, int pos, bool WXUNUSED(refresh) )
+void wxWindowGTK::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
 {
-    wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
-    wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") );
+    const int dir = ScrollDirFromOrient(orient);
+    GtkRange * const sb = m_scrollBar[dir];
+    wxCHECK_RET( sb, _T("this window is not scrollable") );
 
     // This check is more than an optimization. Without it, the slider
     //   will not move smoothly while tracking when using wxScrollHelper.
     if (GetScrollPos(orient) != pos)
     {
-        const int i = orient == wxVERTICAL;
-        GtkAdjustment* adj = m_scrollBar[i]->adjustment;
+        GtkAdjustment* adj = sb->adjustment;
         const int max = int(adj->upper - adj->page_size);
         if (pos > max)
             pos = max;
         if (pos < 0)
             pos = 0;
-        m_scrollPos[i] =
-        adj->value = pos;
-        // If a "value_changed" signal emission is not already in progress
-        if (!m_blockValueChanged[i])
-        {
-            gtk_adjustment_value_changed(adj);
-        }
+        m_scrollPos[dir] = adj->value = pos;
+
+        g_signal_handlers_block_by_func(m_scrollBar[dir],
+            (gpointer)gtk_scrollbar_value_changed, this);
+
+        gtk_adjustment_value_changed(adj);
+
+        g_signal_handlers_unblock_by_func(m_scrollBar[dir],
+            (gpointer)gtk_scrollbar_value_changed, this);
     }
 }
 
-int wxWindowGTK::GetScrollThumb( int orient ) const
+int wxWindowGTK::GetScrollThumb(int orient) const
 {
-    wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid window") );
-    wxCHECK_MSG( m_wxwindow != NULL, 0, wxT("window needs client area for scrolling") );
+    GtkRange * const sb = m_scrollBar[ScrollDirFromOrient(orient)];
+    wxCHECK_MSG( sb, 0, _T("this window is not scrollable") );
 
-    const int i = orient == wxVERTICAL;
-    return int(m_scrollBar[i]->adjustment->page_size);
+    return int(sb->adjustment->page_size);
 }
 
 int wxWindowGTK::GetScrollPos( int orient ) const
 {
-    wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid window") );
-    wxCHECK_MSG( m_wxwindow != NULL, 0, wxT("window needs client area for scrolling") );
+    GtkRange * const sb = m_scrollBar[ScrollDirFromOrient(orient)];
+    wxCHECK_MSG( sb, 0, _T("this window is not scrollable") );
 
-    const int i = orient == wxVERTICAL;
-    return int(m_scrollBar[i]->adjustment->value + 0.5);
+    return int(sb->adjustment->value + 0.5);
 }
 
 int wxWindowGTK::GetScrollRange( int orient ) const
 {
-    wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid window") );
-    wxCHECK_MSG( m_wxwindow != NULL, 0, wxT("window needs client area for scrolling") );
+    GtkRange * const sb = m_scrollBar[ScrollDirFromOrient(orient)];
+    wxCHECK_MSG( sb, 0, _T("this window is not scrollable") );
 
-    const int i = orient == wxVERTICAL;
-    return int(m_scrollBar[i]->adjustment->upper);
+    return int(sb->adjustment->upper);
 }
 
 // Determine if increment is the same as +/-x, allowing for some small
@@ -4211,14 +4214,13 @@ wxEventType wxWindowGTK::GetScrollEventType(GtkRange* range)
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     wxASSERT(range == m_scrollBar[0] || range == m_scrollBar[1]);
 
     const int barIndex = range == m_scrollBar[1];
     GtkAdjustment* adj = range->adjustment;
+
     const int value = int(adj->value + 0.5);
+
     // save previous position
     const double oldPos = m_scrollPos[barIndex];
     // update current position
@@ -4261,12 +4263,37 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
 
     // No scrolling requested.
     if ((dx == 0) && (dy == 0)) return;
-
+    
     m_clipPaintRegion = true;
 
-    gtk_pizza_scroll( GTK_PIZZA(m_wxwindow), -dx, -dy );
+    if (GetLayoutDirection() == wxLayout_RightToLeft)
+        gtk_pizza_scroll( GTK_PIZZA(m_wxwindow), dx, -dy );
+    else
+        gtk_pizza_scroll( GTK_PIZZA(m_wxwindow), -dx, -dy );
 
     m_clipPaintRegion = false;
+
+#if wxUSE_CARET
+    bool restoreCaret = (GetCaret() != NULL && GetCaret()->IsVisible());
+    if (restoreCaret)
+    {
+        wxRect caretRect(GetCaret()->GetPosition(), GetCaret()->GetSize());
+        if (dx > 0)
+            caretRect.width += dx;
+        else
+        {
+            caretRect.x += dx; caretRect.width -= dx;
+        }
+        if (dy > 0)
+            caretRect.height += dy;
+        else
+        {
+            caretRect.y += dy; caretRect.height -= dy;
+        }
+
+        RefreshRect(caretRect);
+    }
+#endif // wxUSE_CARET
 }
 
 void wxWindowGTK::GtkScrolledWindowSetBorder(GtkWidget* w, int wxstyle)
@@ -4347,33 +4374,3 @@ void wxRemoveGrab(wxWindow* window)
 {
     gtk_grab_remove( (GtkWidget*) window->GetHandle() );
 }
-
-// ----------------------------------------------------------------------------
-// wxWinModule
-// ----------------------------------------------------------------------------
-
-class wxWinModule : public wxModule
-{
-public:
-    bool OnInit();
-    void OnExit();
-
-private:
-    DECLARE_DYNAMIC_CLASS(wxWinModule)
-};
-
-IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
-
-bool wxWinModule::OnInit()
-{
-    // g_eraseGC = gdk_gc_new( gdk_get_default_root_window() );
-    // gdk_gc_set_fill( g_eraseGC, GDK_SOLID );
-
-    return true;
-}
-
-void wxWinModule::OnExit()
-{
-    if (g_eraseGC)
-        g_object_unref (g_eraseGC);
-}