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[wxWidgets.git] / src / gtk / window.cpp
index b5ebaaea800a0633dc38a74dfb50aa0da092edff..9f639a35865efbb6e2cfdb520696b8c814a86fd2 100644 (file)
     #include "wx/layout.h"
     #include "wx/statusbr.h"
     #include "wx/math.h"
+    #include "wx/module.h"
 #endif
 
-#include "wx/module.h"
-
 #if wxUSE_DRAG_AND_DROP
     #include "wx/dnd.h"
 #endif
@@ -219,8 +218,6 @@ extern bool       g_blockEventsOnDrag;
 extern 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;
@@ -480,8 +477,7 @@ gtk_window_expose_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    // don't need to install idle handler, its done from "event" signal
 
     // This callback gets called in drawing-idle time under
     // GTK 2.0, so we don't need to defer anything to idle
@@ -490,6 +486,7 @@ gtk_window_expose_callback( GtkWidget *widget,
     GtkPizza *pizza = GTK_PIZZA( widget );
     if (gdk_event->window != pizza->bin_window) return FALSE;
 
+
 #if 0
     if (win->GetName())
     {
@@ -519,7 +516,6 @@ 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);
 
@@ -991,8 +987,7 @@ gtk_window_key_press_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    // don't need to install idle handler, its done from "event" signal
 
     if (!win->m_hasVMT)
         return FALSE;
@@ -1124,10 +1119,6 @@ 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)) &&
@@ -1152,13 +1143,7 @@ gtk_window_key_press_callback( GtkWidget *widget,
         ret = win->GetParent()->GetEventHandler()->ProcessEvent( new_event );
     }
 
-    if (ret)
-    {
-        g_signal_stop_emission_by_name (widget, "key_press_event");
-        return TRUE;
-    }
-
-    return FALSE;
+    return ret;
 }
 }
 
@@ -1244,8 +1229,7 @@ gtk_window_key_release_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    // don't need to install idle handler, its done from "event" signal
 
     if (!win->m_hasVMT)
         return FALSE;
@@ -1260,11 +1244,7 @@ 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);
 }
 }
 
@@ -1302,6 +1282,13 @@ template<typename T> void InitMouseEvent(wxWindowGTK *win,
     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() );
@@ -1350,8 +1337,8 @@ 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();
@@ -1410,31 +1397,36 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
 // common event handlers helpers
 // ----------------------------------------------------------------------------
 
-bool wxWindowGTK::GTKCallbackCommonPrologue(GdkEventAny *event) const
+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 (g_isIdle)
-        wxapp_install_idle_handler();
+    // don't need to install idle handler, its done from "event" signal
 
     if (!m_hasVMT)
-        return false;
+        return FALSE;
     if (g_blockEventsOnDrag)
-        return true;
+        return TRUE;
     if (g_blockEventsOnScroll)
-        return true;
+        return TRUE;
 
     if (!GTKIsOwnWindow(event->window))
-        return false;
+        return FALSE;
 
-    return true;
+    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 bool wxGtkCallbackCommonPrologue(T *event, wxWindowGTK *win)       \
+    static int wxGtkCallbackCommonPrologue(T *event, wxWindowGTK *win)        \
     {                                                                         \
         return win->GTKCallbackCommonPrologue((GdkEventAny *)event);          \
     }
@@ -1445,6 +1437,11 @@ 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)
@@ -1473,8 +1470,7 @@ gtk_window_button_press_callback( GtkWidget *widget,
                                   GdkEventButton *gdk_event,
                                   wxWindowGTK *win )
 {
-    if ( !wxGtkCallbackCommonPrologue(gdk_event, win) )
-        return FALSE;
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
     if (win->m_wxwindow && (g_focusWindow != win) && win->AcceptsFocus())
     {
@@ -1611,9 +1607,8 @@ gtk_window_button_press_callback( GtkWidget *widget,
     event.SetEventObject( win );
     event.SetId( win->GetId() );
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
+    if (win->GTKProcessEvent( event ))
     {
-        g_signal_stop_emission_by_name (widget, "button_press_event");
         return TRUE;
     }
 
@@ -1631,7 +1626,7 @@ 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;
@@ -1646,8 +1641,7 @@ gtk_window_button_release_callback( GtkWidget *widget,
                                     GdkEventButton *gdk_event,
                                     wxWindowGTK *win )
 {
-    if ( !wxGtkCallbackCommonPrologue(gdk_event, win) )
-        return FALSE;
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
     wxEventType event_type = wxEVT_NULL;
 
@@ -1685,13 +1679,7 @@ 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;
-    }
-
-    return FALSE;
+    return win->GTKProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
@@ -1703,8 +1691,7 @@ gtk_window_motion_notify_callback( GtkWidget *widget,
                                    GdkEventMotion *gdk_event,
                                    wxWindowGTK *win )
 {
-    if ( !wxGtkCallbackCommonPrologue(gdk_event, win) )
-        return FALSE;
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
     if (gdk_event->is_hint)
     {
@@ -1737,7 +1724,7 @@ 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
@@ -1752,19 +1739,13 @@ 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;
-    }
-
-    return FALSE;
+    return win->GTKProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
@@ -1776,8 +1757,7 @@ window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win)
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    // don't need to install idle handler, its done from "event" signal
 
     if (gdk_event->direction != GDK_SCROLL_UP &&
         gdk_event->direction != GDK_SCROLL_DOWN)
@@ -1810,7 +1790,7 @@ 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);
 }
 
 //-----------------------------------------------------------------------------
@@ -1821,7 +1801,7 @@ static gboolean wxgtk_window_popup_menu_callback(GtkWidget*, wxWindowGTK* win)
 {
     wxContextMenuEvent event(wxEVT_CONTEXT_MENU, win->GetId(), wxPoint(-1, -1));
     event.SetEventObject(win);
-    return win->GetEventHandler()->ProcessEvent(event);
+    return win->GTKProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
@@ -1835,8 +1815,7 @@ gtk_window_focus_in_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    // don't need to install idle handler, its done from "event" signal
 
     if (win->m_imData)
         gtk_im_context_focus_in(win->m_imData->context);
@@ -1893,8 +1872,7 @@ gtk_window_focus_out_callback( GtkWidget *widget,
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    // don't need to install idle handler, its done from "event" signal
 
     if (win->m_imData)
         gtk_im_context_focus_out(win->m_imData->context);
@@ -1934,7 +1912,7 @@ gtk_window_focus_out_callback( GtkWidget *widget,
         wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
         event.SetEventObject( win );
 
-        (void)win->GetEventHandler()->ProcessEvent( event );
+        (void)win->GTKProcessEvent( event );
 
         ret = TRUE;
     }
@@ -1956,8 +1934,7 @@ gtk_window_enter_callback( GtkWidget *widget,
                            GdkEventCrossing *gdk_event,
                            wxWindowGTK *win )
 {
-    if ( !wxGtkCallbackCommonPrologue(gdk_event, win) )
-        return FALSE;
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
     // Event was emitted after a grab
     if (gdk_event->mode != GDK_CROSSING_NORMAL) return FALSE;
@@ -1977,19 +1954,13 @@ 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);
 }
 
 //-----------------------------------------------------------------------------
@@ -2001,8 +1972,7 @@ gtk_window_leave_callback( GtkWidget *widget,
                            GdkEventCrossing *gdk_event,
                            wxWindowGTK *win )
 {
-    if ( !wxGtkCallbackCommonPrologue(gdk_event, win) )
-        return FALSE;
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
     // Event was emitted after an ungrab
     if (gdk_event->mode != GDK_CROSSING_NORMAL) return FALSE;
@@ -2029,13 +1999,7 @@ 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);
 }
 
 //-----------------------------------------------------------------------------
@@ -2060,7 +2024,7 @@ gtk_scrollbar_value_changed(GtkRange* range, wxWindow* win)
         event.SetEventObject(win);
 
         win->m_blockValueChanged[dir] = true;
-        win->GetEventHandler()->ProcessEvent(event);
+        win->GTKProcessEvent(event);
         win->m_blockValueChanged[dir] = false;
     }
 }
@@ -2074,8 +2038,7 @@ gtk_scrollbar_button_press_event(GtkRange*, GdkEventButton*, wxWindow* win)
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    // don't need to install idle handler, its done from "event" signal
 
     g_blockEventsOnScroll = true;
     win->m_mouseButtonDown = true;
@@ -2098,7 +2061,7 @@ gtk_scrollbar_event_after(GtkRange* range, GdkEvent* event, wxWindow* win)
                                         win->ScrollDirFromRange(range));
         wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBRELEASE, win->GetScrollPos(orient), orient);
         event.SetEventObject(win);
-        win->GetEventHandler()->ProcessEvent(event);
+        win->GTKProcessEvent(event);
     }
 }
 
@@ -2150,7 +2113,7 @@ gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win )
 
     wxWindowCreateEvent event( win );
     event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    win->GTKProcessEvent( event );
 }
 
 //-----------------------------------------------------------------------------
@@ -2159,7 +2122,7 @@ gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win )
 
 static
 void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
-                               GtkAllocation *WXUNUSED(alloc),
+                               GtkAllocation *alloc,
                                wxWindow *win )
 {
     if (g_isIdle)
@@ -2171,6 +2134,19 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
     if ((client_width == win->m_oldClientWidth) && (client_height == win->m_oldClientHeight))
         return;
 
+#if 0
+        wxPrintf( wxT("size_allocate ") );
+        if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
+            wxPrintf( win->GetClassInfo()->GetClassName() );
+        wxPrintf( wxT(" %d %d %d %d\n"),
+                alloc->x,
+                alloc->y,
+                alloc->width,
+                alloc->height );
+#endif
+                
+    GTK_PIZZA(win->m_wxwindow)->m_width = alloc->width;
+
     win->m_oldClientWidth = client_width;
     win->m_oldClientHeight = client_height;
 
@@ -2178,7 +2154,7 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
     {
         wxSizeEvent event( win->GetSize(), win->GetId() );
         event.SetEventObject( win );
-        win->GetEventHandler()->ProcessEvent( event );
+        win->GTKProcessEvent( event );
     }
 }
 
@@ -2334,8 +2310,8 @@ 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),
@@ -2408,7 +2384,7 @@ void wxWindowGTK::Init()
     m_hasVMT = false;
     m_needParent = true;
     m_isBeingDeleted = false;
-    
+
     m_showOnIdle= false;
 
     m_noExpose = false;
@@ -2637,7 +2613,8 @@ void wxWindowGTK::PostCreation()
             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
@@ -2712,7 +2689,7 @@ void wxWindowGTK::PostCreation()
                           this);
     }
 #ifdef GTK_IS_FILE_CHOOSER_BUTTON
-    else if (GTK_IS_FILE_CHOOSER_BUTTON(m_widget))
+    else 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
@@ -2735,6 +2712,8 @@ 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() )
@@ -2774,7 +2753,9 @@ 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::DoSetSize( int x, int y, int width, int height, int sizeFlags )
@@ -2829,8 +2810,6 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
        // don't take the x,y values, they're wrong because toolbar sets them
        GtkWidget  *widget = GTK_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
@@ -2847,13 +2826,13 @@ 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;
@@ -2927,7 +2906,7 @@ bool wxWindowGTK::GtkShowFromOnIdle()
         m_showOnIdle = false;
         return true;
     }
-    
+
     return false;
 }
 
@@ -2949,9 +2928,6 @@ void wxWindowGTK::OnInternalIdle()
         SetBackgroundStyle(GetBackgroundStyle());
         m_needsStyleChange = false;
     }
-    
-    // Update invalidated regions.
-    GtkUpdate();
 
     wxCursor cursor = m_cursor;
     if (g_globalCursor.Ok()) cursor = g_globalCursor;
@@ -3067,6 +3043,10 @@ void wxWindowGTK::DoGetClientSize( int *width, int *height ) const
 
         w -= dw;
         h -= dh;
+        if (w < 0)
+            w = 0;
+        if (h < 0)
+            h = 0;
     }
 
     if (width) *width = w;
@@ -3082,8 +3062,8 @@ 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 (x) (*x) = m_x - dx;
@@ -3433,7 +3413,7 @@ bool wxWindowGTK::Reparent( wxWindowBase *newParentBase )
             m_showOnIdle = true;
             gtk_widget_hide( m_widget );
         }
-    
+
         /* insert GTK representation */
         (*(newParent->m_insertCallback))(newParent, this);
     }
@@ -3441,6 +3421,8 @@ bool wxWindowGTK::Reparent( wxWindowBase *newParentBase )
     /* reverse: prevent GTK from deleting the widget arbitrarily */
     gtk_widget_unref( m_widget );
 
+    SetLayoutDirection(wxLayout_Default);
+
     return true;
 }
 
@@ -3475,6 +3457,63 @@ void wxWindowGTK::RemoveChild(wxWindowBase *child)
         wxapp_install_idle_handler();
 }
 
+/* static */
+wxLayoutDirection wxWindowGTK::GTKGetLayout(GtkWidget *widget)
+{
+    return gtk_widget_get_direction(GTK_WIDGET(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(GTK_WIDGET(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)
+        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);
@@ -3585,15 +3624,12 @@ void wxWindowGTK::Lower()
 
 bool wxWindowGTK::SetCursor( const wxCursor &cursor )
 {
-    wxCHECK_MSG( (m_widget != NULL), false, wxT("invalid window") );
-
-    if (cursor == m_cursor)
-       return false;
+    if ( !wxWindowBase::SetCursor(cursor.Ok() ? cursor : *wxSTANDARD_CURSOR) )
+        return false;
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    GTKUpdateCursor();
 
-    return wxWindowBase::SetCursor( cursor.Ok() ? cursor : *wxSTANDARD_CURSOR );
+    return true;
 }
 
 void wxWindowGTK::GTKUpdateCursor()
@@ -3612,7 +3648,14 @@ void wxWindowGTK::GTKUpdateCursor()
             const size_t count = windowsThis.size();
             for ( size_t n = 0; n < count; n++ )
             {
-                gdk_window_set_cursor(windowsThis[n], cursor.GetCursor());
+                GdkWindow *win = windowsThis[n];
+                if ( !win )
+                {
+                    wxFAIL_MSG(_T("NULL window returned by GTKGetWindow()?"));
+                    continue;
+                }
+
+                gdk_window_set_cursor(win, cursor.GetCursor());
             }
         }
     }
@@ -3688,7 +3731,7 @@ 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)
@@ -3703,6 +3746,8 @@ void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
         {
             p = NULL;
         }
+        
+        p = NULL;
 
         gdk_window_invalidate_rect( GTK_PIZZA(m_wxwindow)->bin_window, p, TRUE );
     }
@@ -3737,6 +3782,20 @@ 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)
@@ -3748,6 +3807,34 @@ void wxWindowGTK::GtkSendPaintEvents()
     // Clip to paint region in wxClientDC
     m_clipPaintRegion = true;
 
+    wxRegion maybe_rtl_region = m_updateRegion;
+    
+#if 0
+    if (GetLayoutDirection() == wxLayout_RightToLeft)
+    {
+        maybe_rtl_region.Clear();
+        
+        gint width;
+        gdk_window_get_geometry( GTK_PIZZA(m_wxwindow)->bin_window,
+                                 NULL, NULL, &width, NULL, NULL );
+        
+        wxRegionIterator upd( m_updateRegion );
+        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;
+            maybe_rtl_region.Union( rect );
+            
+            ++upd;
+        }
+    }
+#endif
+    
     // widget to draw on
     GtkPizza *pizza = GTK_PIZZA (m_wxwindow);
 
@@ -3783,8 +3870,9 @@ void wxWindowGTK::GtkSendPaintEvents()
         }
     }
     else
-
     {
+        m_updateRegion = maybe_rtl_region;
+    
         wxWindowDC dc( (wxWindow*)this );
         dc.SetClippingRegion( m_updateRegion );
 
@@ -3794,6 +3882,8 @@ void wxWindowGTK::GtkSendPaintEvents()
         GetEventHandler()->ProcessEvent(erase_event);
     }
 
+    m_updateRegion = maybe_rtl_region;
+        
     wxNcPaintEvent nc_paint_event( GetId() );
     nc_paint_event.SetEventObject( this );
     GetEventHandler()->ProcessEvent( nc_paint_event );
@@ -4361,33 +4451,3 @@ 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);
-}