]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/window.cpp
More comments about non-native GTH widgets.
[wxWidgets.git] / src / gtk / window.cpp
index 1e9038e20aa76953e0fff90d58e6308fb7fa21a6..a6544f8fe63403a26db675e6b9ffe1201b11759c 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/window.cpp
+// Name:        src/gtk/window.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 #endif
 
 #include "wx/window.h"
-#include "wx/dcclient.h"
-#include "wx/frame.h"
-#include "wx/app.h"
-#include "wx/layout.h"
-#include "wx/utils.h"
-#include "wx/dialog.h"
-#include "wx/msgdlg.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/toolbar.h"
+    #include "wx/combobox.h"
+    #include "wx/layout.h"
+    #include "wx/statusbr.h"
+    #include "wx/math.h"
+#endif
+
 #include "wx/module.h"
-#include "wx/combobox.h"
 
 #if wxUSE_DRAG_AND_DROP
     #include "wx/dnd.h"
     #include "wx/caret.h"
 #endif // wxUSE_CARET
 
-#if wxUSE_TEXTCTRL
-    #include "wx/textctrl.h"
-#endif
-
-#include "wx/menu.h"
-#include "wx/statusbr.h"
-#include "wx/intl.h"
-#include "wx/settings.h"
-#include "wx/log.h"
 #include "wx/fontutil.h"
 
 #ifdef __WXDEBUG__
     #include "wx/thread.h"
 #endif
 
-#include "wx/math.h"
 #include <ctype.h>
 
+// 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
+#endif
+
 #include "wx/gtk/private.h"
 #include <gdk/gdkprivate.h>
 #include <gdk/gdkkeysyms.h>
 
 #include "wx/gtk/win_gtk.h"
 
-#ifdef __WXGTK20__
 #include <pango/pangox.h>
-#endif
-
 
-#ifdef __WXGTK20__
-    #ifdef HAVE_XIM
-        #undef HAVE_XIM
-    #endif
+#ifdef HAVE_XIM
+    #undef HAVE_XIM
 #endif
 
-#ifdef __WXGTK20__
 extern GtkContainerClass *pizza_parent_class;
-#endif
 
 //-----------------------------------------------------------------------------
 // documentation on internals
@@ -121,7 +122,7 @@ extern GtkContainerClass *pizza_parent_class;
    6) Display a border (sunken, raised, simple or none).
 
    Normally one might expect, that one wxWidgets window would always correspond
-   to one GTK widget. Under GTK, there is no such allround widget that has all
+   to one GTK widget. Under GTK, there is no such all-round widget that has all
    the functionality. Moreover, the GTK defines a client area as a different
    widget from the actual widget you are handling. Last but not least some
    special classes (e.g. wxFrame) handle different categories of widgets and
@@ -166,14 +167,14 @@ extern GtkContainerClass *pizza_parent_class;
    clicking on a scrollbar belonging to scrolled window will inevitably move
    the window. In wxWidgets, the scrollbar will only emit an event, send this
    to (normally) a wxScrolledWindow and that class will call ScrollWindow()
-   which actually moves the window and its subchildren. Note that GtkPizza
+   which actually moves the window and its sub-windows. Note that GtkPizza
    memorizes how much it has been scrolled but that wxWidgets forgets this
    so that the two coordinates systems have to be kept in synch. This is done
    in various places using the pizza->xoffset and pizza->yoffset values.
 
    III)
 
-   Singularily the most broken code in GTK is the code that is supposed to
+   Singularly the most broken code in GTK is the code that is supposed to
    inform subwindows (child windows) about new positions. Very often, duplicate
    events are sent without changes in size or position, equally often no
    events are sent at all (All this is due to a bug in the GtkContainer code
@@ -214,13 +215,10 @@ extern GtkContainerClass *pizza_parent_class;
 // data
 //-----------------------------------------------------------------------------
 
-extern wxList     wxPendingDelete;
 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;
@@ -237,12 +235,6 @@ wxWindowGTK *g_focusWindowLast = (wxWindowGTK*) NULL;
 // yet, defer setting the focus to idle time.
 wxWindowGTK *g_delayedFocus = (wxWindowGTK*) NULL;
 
-// hack: we need something to pass to gtk_menu_popup, so we store the time of
-// the last click here (extern: used from gtk/menu.cpp)
-#ifndef __WXGTK20__
-guint32 wxGtkTimeLastClick = 0;
-#endif
-
 extern bool g_mainThreadLocked;
 
 //-----------------------------------------------------------------------------
@@ -272,14 +264,9 @@ gdk_window_warp_pointer (GdkWindow      *window,
                          gint            x,
                          gint            y)
 {
-#ifndef __WXGTK20__
-  GdkWindowPrivate *priv;
-#endif
-
   if (!window)
-    window = GDK_ROOT_PARENT();
+    window = gdk_get_default_root_window();
 
-#ifdef __WXGTK20__
   if (!GDK_WINDOW_DESTROYED(window))
   {
       XWarpPointer (GDK_WINDOW_XDISPLAY(window),
@@ -288,27 +275,8 @@ gdk_window_warp_pointer (GdkWindow      *window,
                     0, 0, 0, 0,        /* not source window -> move from anywhere */
                     x, y );
   }
-#else
-  priv = (GdkWindowPrivate*) window;
-
-  if (!priv->destroyed)
-  {
-      XWarpPointer (priv->xdisplay,
-                    None,              /* not source window -> move from anywhere */
-                    priv->xwindow,  /* dest window */
-                    0, 0, 0, 0,        /* not source window -> move from anywhere */
-                    x, y );
-  }
-#endif
 }
 
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-
 //-----------------------------------------------------------------------------
 // local code (see below)
 //-----------------------------------------------------------------------------
@@ -337,6 +305,35 @@ wxWindow *wxFindFocusedChild(wxWindowGTK *win)
     return (wxWindow *)NULL;
 }
 
+static void GetScrollbarWidth(GtkWidget* widget, int& w, int& h)
+{
+    GtkScrolledWindow* scroll_window = GTK_SCROLLED_WINDOW(widget);
+    GtkScrolledWindowClass* scroll_class = GTK_SCROLLED_WINDOW_CLASS(GTK_OBJECT_GET_CLASS(scroll_window));
+    GtkRequisition scroll_req;
+
+    w = 0;
+    if (scroll_window->vscrollbar_visible)
+    {
+        scroll_req.width = 2;
+        scroll_req.height = 2;
+        (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(scroll_window->vscrollbar) )->size_request )
+            (scroll_window->vscrollbar, &scroll_req );
+        w = scroll_req.width +
+            scroll_class->scrollbar_spacing;
+    }
+
+    h = 0;
+    if (scroll_window->hscrollbar_visible)
+    {
+        scroll_req.width = 2;
+        scroll_req.height = 2;
+        (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(scroll_window->hscrollbar) )->size_request )
+            (scroll_window->hscrollbar, &scroll_req );
+        h = scroll_req.height +
+            scroll_class->scrollbar_spacing;
+    }
+}
+
 static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
 {
     // wxUniversal widgets draw the borders and scrollbars themselves
@@ -349,33 +346,7 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
 
     if (win->m_hasScrolling)
     {
-        GtkScrolledWindow *scroll_window = GTK_SCROLLED_WINDOW(widget);
-
-        GtkRequisition vscroll_req;
-        vscroll_req.width = 2;
-        vscroll_req.height = 2;
-        (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(scroll_window->vscrollbar) )->size_request )
-            (scroll_window->vscrollbar, &vscroll_req );
-
-        GtkRequisition hscroll_req;
-        hscroll_req.width = 2;
-        hscroll_req.height = 2;
-        (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(scroll_window->hscrollbar) )->size_request )
-            (scroll_window->hscrollbar, &hscroll_req );
-
-        GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(widget) );
-
-        if (scroll_window->vscrollbar_visible)
-        {
-            dw += vscroll_req.width;
-            dw += scroll_class->scrollbar_spacing;
-        }
-
-        if (scroll_window->hscrollbar_visible)
-        {
-            dh += hscroll_req.height;
-            dh += scroll_class->scrollbar_spacing;
-        }
+        GetScrollbarWidth(widget, dw, dh);
     }
 
     int dx = 0;
@@ -388,23 +359,25 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
 
     if (win->HasFlag(wxRAISED_BORDER))
     {
-        gtk_draw_shadow( widget->style,
-                         widget->window,
-                         GTK_STATE_NORMAL,
-                         GTK_SHADOW_OUT,
-                         dx, dy,
-                         widget->allocation.width-dw, widget->allocation.height-dh );
+        gtk_paint_shadow (widget->style,
+                          widget->window,
+                          GTK_STATE_NORMAL,
+                          GTK_SHADOW_OUT,
+                          NULL, NULL, NULL, // FIXME: No clipping?
+                          dx, dy,
+                          widget->allocation.width-dw, widget->allocation.height-dh );
         return;
     }
 
     if (win->HasFlag(wxSUNKEN_BORDER))
     {
-        gtk_draw_shadow( widget->style,
-                         widget->window,
-                         GTK_STATE_NORMAL,
-                         GTK_SHADOW_IN,
-                         dx, dy,
-                         widget->allocation.width-dw, widget->allocation.height-dh );
+        gtk_paint_shadow (widget->style,
+                          widget->window,
+                          GTK_STATE_NORMAL,
+                          GTK_SHADOW_IN,
+                          NULL, NULL, NULL, // FIXME: No clipping?
+                          dx, dy,
+                          widget->allocation.width-dw, widget->allocation.height-dh );
         return;
     }
 
@@ -416,7 +389,7 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
         gdk_draw_rectangle( widget->window, gc, FALSE,
                          dx, dy,
                          widget->allocation.width-dw-1, widget->allocation.height-dh-1 );
-        gdk_gc_unref( gc );
+        g_object_unref (gc);
         return;
     }
 #endif // __WXUNIVERSAL__
@@ -427,36 +400,21 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
 //-----------------------------------------------------------------------------
 
 extern "C" {
-static gint gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxWindowGTK *win )
+static gboolean
+gtk_window_own_expose_callback( GtkWidget *widget,
+                                GdkEventExpose *gdk_event,
+                                wxWindowGTK *win )
 {
     if (gdk_event->count > 0) return FALSE;
 
     draw_frame( widget, win );
 
-#ifdef __WXGTK20__
-
     (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, gdk_event);
 
-#endif
     return TRUE;
 }
 }
 
-//-----------------------------------------------------------------------------
-// "draw" of m_widget
-//-----------------------------------------------------------------------------
-
-#ifndef __WXGTK20__
-
-extern "C" {
-static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxWindowGTK *win )
-{
-    draw_frame( widget, win );
-}
-}
-
-#endif // GTK+ < 2.0
-
 //-----------------------------------------------------------------------------
 // "size_request" of m_widget
 //-----------------------------------------------------------------------------
@@ -513,16 +471,15 @@ void wxgtk_combo_size_request_callback(GtkWidget *widget,
 //-----------------------------------------------------------------------------
 
 extern "C" {
-static int gtk_window_expose_callback( GtkWidget *widget,
-                                       GdkEventExpose *gdk_event,
-                                       wxWindow *win )
+static gboolean
+gtk_window_expose_callback( GtkWidget *widget,
+                            GdkEventExpose *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
 
-#ifdef __WXGTK20__
     // This callback gets called in drawing-idle time under
     // GTK 2.0, so we don't need to defer anything to idle
     // time anymore.
@@ -562,150 +519,26 @@ static int gtk_window_expose_callback( GtkWidget *widget,
 
     // Let parent window draw window-less widgets
     (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, gdk_event);
-#else
-    // This gets called immediately after an expose event
-    // under GTK 1.2 so we collect the calls and wait for
-    // the idle handler to pick things up.
-
-    win->GetUpdateRegion().Union( gdk_event->area.x,
-                                  gdk_event->area.y,
-                                  gdk_event->area.width,
-                                  gdk_event->area.height );
-    win->m_clearRegion.Union( gdk_event->area.x,
-                                  gdk_event->area.y,
-                                  gdk_event->area.width,
-                                  gdk_event->area.height );
-
-    // Actual redrawing takes place in idle time.
-    // win->GtkUpdate();
-#endif
 
     return FALSE;
 }
 }
 
 //-----------------------------------------------------------------------------
-// "event" of m_wxwindow
+// "key_press_event" from any window
 //-----------------------------------------------------------------------------
 
-#ifndef __WXGTK20__
-
-// GTK thinks it is clever and filters out a certain amount of "unneeded"
-// expose events. We need them, of course, so we override the main event
-// procedure in GtkWidget by giving our own handler for all system events.
-// There, we look for expose events ourselves whereas all other events are
-// handled normally.
-
-extern "C" {
-static
-gint gtk_window_event_event_callback( GtkWidget *widget,
-                                      GdkEventExpose *event,
-                                      wxWindow *win )
+// These are used when transforming Ctrl-alpha to ascii values 1-26
+inline bool wxIsLowerChar(int code)
 {
-    if (event->type == GDK_EXPOSE)
-    {
-        gint ret = gtk_window_expose_callback( widget, event, win );
-        return ret;
-    }
-
-    return FALSE;
-}
+    return (code >= 'a' && code <= 'z' );
 }
 
-#endif // !GTK+ 2
-
-//-----------------------------------------------------------------------------
-// "draw" of m_wxwindow
-//-----------------------------------------------------------------------------
-
-#ifndef __WXGTK20__
-
-// This callback is a complete replacement of the gtk_pizza_draw() function,
-// which is disabled.
-
-extern "C" {
-static void gtk_window_draw_callback( GtkWidget *widget,
-                                      GdkRectangle *rect,
-                                      wxWindow *win )
+inline bool wxIsUpperChar(int code)
 {
-    DEBUG_MAIN_THREAD
-
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    // if there are any children we must refresh everything
-    //
-    // VZ: why?
-    if ( !win->HasFlag(wxFULL_REPAINT_ON_RESIZE) &&
-            win->GetChildren().IsEmpty() )
-    {
-        return;
-    }
-
-#if 0
-    if (win->GetName())
-    {
-        wxPrintf( wxT("OnDraw from ") );
-        if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-            wxPrintf( win->GetClassInfo()->GetClassName() );
-        wxPrintf( wxT(" %d %d %d %d\n"), (int)rect->x,
-                                         (int)rect->y,
-                                         (int)rect->width,
-                                         (int)rect->height );
-    }
-#endif
-
-#ifndef __WXUNIVERSAL__
-    GtkPizza *pizza = GTK_PIZZA (widget);
-
-    if (win->GetThemeEnabled() && win->GetBackgroundStyle() == wxBG_STYLE_SYSTEM)
-    {
-        wxWindow *parent = win->GetParent();
-        while (parent && !parent->IsTopLevel())
-            parent = parent->GetParent();
-        if (!parent)
-            parent = win;
-
-        gtk_paint_flat_box (parent->m_widget->style,
-                            pizza->bin_window,
-                            GTK_STATE_NORMAL,
-                            GTK_SHADOW_NONE,
-                            rect,
-                            parent->m_widget,
-                            (char *)"base",
-                            0, 0, -1, -1);
-    }
-#endif
-
-    win->m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
-    win->GetUpdateRegion().Union( rect->x, rect->y, rect->width, rect->height );
-
-    // Update immediately, not in idle time.
-    win->GtkUpdate();
-
-#ifndef __WXUNIVERSAL__
-    // Redraw child widgets
-    GList *children = pizza->children;
-    while (children)
-    {
-        GtkPizzaChild *child = (GtkPizzaChild*) children->data;
-        children = children->next;
-
-        GdkRectangle child_area;
-        if (gtk_widget_intersect (child->widget, rect, &child_area))
-        {
-            gtk_widget_draw (child->widget, &child_area /* (GdkRectangle*) NULL*/ );
-        }
-    }
-#endif
+    return (code >= 'A' && code <= 'Z' );
 }
-}
-
-#endif
 
-//-----------------------------------------------------------------------------
-// "key_press_event" from any window
-//-----------------------------------------------------------------------------
 
 // set WXTRACE to this to see the key event codes on the console
 #define TRACE_KEYS  _T("keyevent")
@@ -828,11 +661,11 @@ static long wxTranslateKeySymToWXKey(KeySym keysym, bool isChar)
             break;
 
         case GDK_Prior:     // == GDK_Page_Up
-            key_code = WXK_PRIOR;
+            key_code = WXK_PAGEUP;
             break;
 
         case GDK_Next:      // == GDK_Page_Down
-            key_code = WXK_NEXT;
+            key_code = WXK_PAGEDOWN;
             break;
 
         case GDK_End:
@@ -911,11 +744,11 @@ static long wxTranslateKeySymToWXKey(KeySym keysym, bool isChar)
             break;
 
         case GDK_KP_Prior: // == GDK_KP_Page_Up
-            key_code = isChar ? WXK_PRIOR : WXK_NUMPAD_PRIOR;
+            key_code = isChar ? WXK_PAGEUP : WXK_NUMPAD_PAGEUP;
             break;
 
         case GDK_KP_Next: // == GDK_KP_Page_Down
-            key_code = isChar ? WXK_NEXT : WXK_NUMPAD_NEXT;
+            key_code = isChar ? WXK_PAGEDOWN : WXK_NUMPAD_PAGEDOWN;
             break;
 
         case GDK_KP_End:
@@ -1120,12 +953,17 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
     wxFillOtherKeyEventFields(event, win, gdk_event);
 
     event.m_keyCode = key_code;
+#if wxUSE_UNICODE
+    if ( gdk_event->type == GDK_KEY_PRESS ||  gdk_event->type == GDK_KEY_RELEASE )
+    {
+        event.m_uniChar = key_code;
+    }
+#endif
 
     return true;
 }
 
 
-#ifdef __WXGTK20__
 struct wxGtkIMData
 {
     GtkIMContext *context;
@@ -1138,20 +976,19 @@ struct wxGtkIMData
     }
     ~wxGtkIMData()
     {
-        g_object_unref(context);
+        g_object_unref (context);
     }
 };
-#endif
 
 extern "C" {
-static gint gtk_window_key_press_callback( GtkWidget *widget,
-                                           GdkEventKey *gdk_event,
-                                           wxWindow *win )
+static gboolean
+gtk_window_key_press_callback( GtkWidget *widget,
+                               GdkEventKey *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 (!win->m_hasVMT)
         return FALSE;
@@ -1175,7 +1012,6 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
         return_after_IM = true;
     }
 
-#ifdef __WXGTK20__
     // 2005.01.26 modified by Hong Jen Yee (hzysoft@sina.com.tw):
     // When we get a key_press event here, it could be originate
     // from the current widget or its child widgets.  However, only the widget
@@ -1197,73 +1033,12 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
         if (intercepted_by_IM)
         {
             wxLogTrace(TRACE_KEYS, _T("Key event intercepted by IM"));
-            return true;
-        }
-    }
-#endif
-    if (return_after_IM)
-        return false;
-
-#ifndef __WXGTK20__
-    // This is for GTK+ 1.2 only. The char event generatation for GTK+ 2.0 is done
-    // in the "commit" handler.
-
-    // 2005.02.02 modified by Hong Jen Yee (hzysoft@sina.com.tw).
-    // In GTK+ 1.2, strings sent by IMs are also regarded as key_press events whose
-    // keyCodes cannot be recognized by wxWidgets. These MBCS strings, however, are
-    // composed of more than one character, which means gdk_event->length will always
-    // greater than one. When gtk_event->length == 1, this may be an ASCII character
-    // and can be translated by wx.  However, when MBCS characters are sent by IM,
-    // gdk_event->length will >= 2. So neither should we pass it to accelerator table,
-    // nor should we pass it to controls. The following explanation was excerpted
-    // from GDK documentation.
-    // gint length : the length of string.
-    // gchar *string : a null-terminated multi-byte string containing the composed
-    // characters resulting from the key press. When text is being input, in a GtkEntry
-    // for example, it is these characters which should be added to the input buffer.
-    // When using Input Methods to support internationalized text input, the composed
-    // characters appear here after the pre-editing has been completed.
-
-    if ( (!ret) && (gdk_event->length > 1) ) // If this event contains a pre-edited string from IM.
-    {
-        // We should translate this key event into wxEVT_CHAR not wxEVT_KEY_DOWN.
-        #if wxUSE_UNICODE   // GTK+ 1.2 is not UTF-8 based.
-            const wxWCharBuffer string = wxConvLocal.cMB2WC( gdk_event->string );
-            if( !string )
-                return false;
-        #else
-            const char* string = gdk_event->string;
-        #endif
-
-        // Implement OnCharHook by checking ancestor top level windows
-        wxWindow *parent = win;
-        while (parent && !parent->IsTopLevel())
-            parent = parent->GetParent();
-
-        for( const wxChar* pstr = string; *pstr; pstr++ )
-        {
-        #if wxUSE_UNICODE
-            event.m_uniChar = *pstr;
-            // Backward compatible for ISO-8859-1
-            event.m_keyCode = *pstr < 256 ? event.m_uniChar : 0;
-        #else
-            event.m_keyCode = *pstr;
-        #endif
-            if (parent)
-            {
-                event.SetEventType( wxEVT_CHAR_HOOK );
-                ret = parent->GetEventHandler()->ProcessEvent( event );
-            }
-            if (!ret)
-            {
-                event.SetEventType(wxEVT_CHAR);
-                win->GetEventHandler()->ProcessEvent( event );
-            }
+            return TRUE;
         }
-        return true;
     }
 
-#endif  // #ifndef  __WXGTK20__
+    if (return_after_IM)
+        return FALSE;
 
 #if wxUSE_ACCEL
     if (!ret)
@@ -1313,6 +1088,20 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
 
             event.m_keyCode = key_code;
 
+            // To conform to the docs we need to translate Ctrl-alpha
+            // characters to values in the range 1-26.
+            if ( event.ControlDown() &&
+                 ( wxIsLowerChar(key_code) || wxIsUpperChar(key_code) ))
+            {
+                if ( wxIsLowerChar(key_code) )
+                    event.m_keyCode = key_code - 'a' + 1;
+                if ( wxIsUpperChar(key_code) )
+                    event.m_keyCode = key_code - 'A' + 1;
+#if wxUSE_UNICODE
+                event.m_uniChar = event.m_keyCode;
+#endif
+            }
+
             // Implement OnCharHook by checking ancestor top level windows
             wxWindow *parent = win;
             while (parent && !parent->IsTopLevel())
@@ -1331,10 +1120,6 @@ static gint 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)) &&
@@ -1359,58 +1144,15 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
         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
-        // non-existing 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)
-    {
-        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
-        return TRUE;
-    }
-
-    return FALSE;
+    return ret;
 }
 }
 
-#ifdef __WXGTK20__
 extern "C" {
-static void gtk_wxwindow_commit_cb (GtkIMContext *context,
-                           const gchar  *str,
-                           wxWindow     *window)
+static void
+gtk_wxwindow_commit_cb (GtkIMContext *context,
+                        const gchar  *str,
+                        wxWindow     *window)
 {
     wxKeyEvent event( wxEVT_KEY_DOWN );
 
@@ -1422,13 +1164,8 @@ static void gtk_wxwindow_commit_cb (GtkIMContext *context,
                                   window, window->m_imData->lastKeyEvent);
     }
 
-#if wxUSE_UNICODE
-    const wxWCharBuffer data = wxConvUTF8.cMB2WC( (char*)str );
-#else
-    const wxWCharBuffer wdata = wxConvUTF8.cMB2WC( (char*)str );
-    const wxCharBuffer data = wxConvLocal.cWC2MB( wdata );
-#endif // wxUSE_UNICODE
-    if( !(const wxChar*)data )
+    const wxWxCharBuffer data(wxGTK_CONV_BACK(str));
+    if( !data )
         return;
 
     bool ret = false;
@@ -1448,6 +1185,23 @@ static void gtk_wxwindow_commit_cb (GtkIMContext *context,
 #else
         event.m_keyCode = *pstr;
 #endif  // wxUSE_UNICODE
+
+        // To conform to the docs we need to translate Ctrl-alpha
+        // characters to values in the range 1-26.
+        if ( event.ControlDown() &&
+             ( wxIsLowerChar(*pstr) || wxIsUpperChar(*pstr) ))
+        {
+            if ( wxIsLowerChar(*pstr) )
+                event.m_keyCode = *pstr - 'a' + 1;
+            if ( wxIsUpperChar(*pstr) )
+                event.m_keyCode = *pstr - 'A' + 1;
+
+            event.m_keyCode = *pstr - 'a' + 1;
+#if wxUSE_UNICODE
+            event.m_uniChar = event.m_keyCode;
+#endif
+        }
+
         if (parent)
         {
             event.SetEventType( wxEVT_CHAR_HOOK );
@@ -1462,7 +1216,6 @@ static void gtk_wxwindow_commit_cb (GtkIMContext *context,
     }
 }
 }
-#endif
 
 
 //-----------------------------------------------------------------------------
@@ -1470,14 +1223,14 @@ static void gtk_wxwindow_commit_cb (GtkIMContext *context,
 //-----------------------------------------------------------------------------
 
 extern "C" {
-static gint gtk_window_key_release_callback( GtkWidget *widget,
-                                             GdkEventKey *gdk_event,
-                                             wxWindowGTK *win )
+static gboolean
+gtk_window_key_release_callback( GtkWidget *widget,
+                                 GdkEventKey *gdk_event,
+                                 wxWindowGTK *win )
 {
     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;
@@ -1492,11 +1245,7 @@ static gint gtk_window_key_release_callback( GtkWidget *widget,
         return FALSE;
     }
 
-    if ( !win->GetEventHandler()->ProcessEvent( event ) )
-        return FALSE;
-
-    gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_release_event" );
-    return TRUE;
+    return win->GetEventHandler()->ProcessEvent(event);
 }
 }
 
@@ -1638,68 +1387,109 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
     return win;
 }
 
-//-----------------------------------------------------------------------------
-// "button_press_event"
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// common event handlers helpers
+// ----------------------------------------------------------------------------
 
-extern "C" {
-static gint gtk_window_button_press_callback( GtkWidget *widget,
-                                              GdkEventButton *gdk_event,
-                                              wxWindowGTK *win )
+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
 
-/*
-    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;
+    if (!m_hasVMT)
+        return FALSE;
+    if (g_blockEventsOnDrag)
+        return TRUE;
+    if (g_blockEventsOnScroll)
+        return TRUE;
 
-    if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
+    if (!GTKIsOwnWindow(event->window))
+        return FALSE;
 
-    if (win->m_wxwindow && (g_focusWindow != win) && win->AcceptsFocus())
-    {
-        gtk_widget_grab_focus( win->m_wxwindow );
-/*
-        wxPrintf( wxT("GrabFocus from ") );
-        if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-            wxPrintf( win->GetClassInfo()->GetClassName() );
-        wxPrintf( wxT(".\n") );
-*/
-    }
+    return -1;
+}
 
-    // GDK sends surplus button down events
-    // before a double click event. We
-    // need to filter these out.
-    if (gdk_event->type == GDK_BUTTON_PRESS)
-    {
-        GdkEvent *peek_event = gdk_event_peek();
-        if (peek_event)
-        {
-            if ((peek_event->type == GDK_2BUTTON_PRESS) ||
-                (peek_event->type == GDK_3BUTTON_PRESS))
-            {
-                gdk_event_free( peek_event );
-                return TRUE;
-            }
-            else
-            {
-                gdk_event_free( peek_event );
-            }
-        }
+// 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);          \
     }
 
-    wxEventType event_type = wxEVT_NULL;
+wxDEFINE_COMMON_PROLOGUE_OVERLOAD(GdkEventButton)
+wxDEFINE_COMMON_PROLOGUE_OVERLOAD(GdkEventMotion)
+wxDEFINE_COMMON_PROLOGUE_OVERLOAD(GdkEventCrossing)
 
-    // GdkDisplay is a GTK+ 2.2.0 thing
-#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2, 2, 0)
+#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"
+//-----------------------------------------------------------------------------
+
+static gboolean
+gtk_window_button_press_callback( GtkWidget *widget,
+                                  GdkEventButton *gdk_event,
+                                  wxWindowGTK *win )
+{
+    wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
+
+    if (win->m_wxwindow && (g_focusWindow != win) && win->AcceptsFocus())
+    {
+        gtk_widget_grab_focus( win->m_wxwindow );
+    }
+
+    // GDK sends surplus button down events
+    // before a double click event. We
+    // need to filter these out.
+    if (gdk_event->type == GDK_BUTTON_PRESS)
+    {
+        GdkEvent *peek_event = gdk_event_peek();
+        if (peek_event)
+        {
+            if ((peek_event->type == GDK_2BUTTON_PRESS) ||
+                (peek_event->type == GDK_3BUTTON_PRESS))
+            {
+                gdk_event_free( peek_event );
+                return TRUE;
+            }
+            else
+            {
+                gdk_event_free( peek_event );
+            }
+        }
+    }
+
+    wxEventType event_type = wxEVT_NULL;
+
+    // GdkDisplay is a GTK+ 2.2.0 thing
+#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2, 2, 0)
     if ( gdk_event->type == GDK_2BUTTON_PRESS &&
             !gtk_check_version(2,2,0) &&
             gdk_event->button >= 1 && gdk_event->button <= 3 )
@@ -1801,25 +1591,12 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
     if ( !g_captureWindow )
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
 
-#ifndef __WXGTK20__
-    wxGtkTimeLastClick = gdk_event->time;
-
-    if (event_type == wxEVT_LEFT_DCLICK)
-    {
-        // GTK 1.2 crashes when intercepting double
-        // click events from both wxSpinButton and
-        // wxSpinCtrl
-        if (GTK_IS_SPIN_BUTTON(win->m_widget))
-        {
-            // Just disable this event for now.
-            return FALSE;
-        }
-    }
-#endif // !__WXGTK20__
+    // reset the event object and id in case win changed.
+    event.SetEventObject( win );
+    event.SetId( win->GetId() );
 
     if (win->GetEventHandler()->ProcessEvent( event ))
     {
-        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "button_press_event" );
         return TRUE;
     }
 
@@ -1842,27 +1619,17 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
 
     return FALSE;
 }
-}
 
 //-----------------------------------------------------------------------------
 // "button_release_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static gint gtk_window_button_release_callback( GtkWidget *widget,
-                                                GdkEventButton *gdk_event,
-                                                wxWindowGTK *win )
+static gboolean
+gtk_window_button_release_callback( GtkWidget *widget,
+                                    GdkEventButton *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);
 
     wxEventType event_type = wxEVT_NULL;
 
@@ -1881,7 +1648,7 @@ static gint gtk_window_button_release_callback( GtkWidget *widget,
             break;
 
         default:
-            // unknwon button, don't process
+            // unknown button, don't process
             return FALSE;
     }
 
@@ -1896,35 +1663,23 @@ static gint gtk_window_button_release_callback( GtkWidget *widget,
     if ( !g_captureWindow )
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "button_release_event" );
-        return TRUE;
-    }
+    // reset the event object and id in case win changed.
+    event.SetEventObject( win );
+    event.SetId( win->GetId() );
 
-    return FALSE;
-}
+    return win->GetEventHandler()->ProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
 // "motion_notify_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static gint gtk_window_motion_notify_callback( GtkWidget *widget,
-                                               GdkEventMotion *gdk_event,
-                                               wxWindowGTK *win )
+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)
     {
@@ -1936,19 +1691,12 @@ static gint 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" );
-*/
-
     wxMouseEvent event( wxEVT_MOTION );
     InitMouseEvent(win, event, gdk_event);
 
     if ( g_captureWindow )
     {
-        // synthetize a mouse enter or leave event if needed
+        // synthesise a mouse enter or leave event if needed
         GdkWindow *winUnderMouse = gdk_window_at_pointer(NULL, NULL);
         // This seems to be necessary and actually been added to
         // GDK itself in version 2.0.X
@@ -1970,42 +1718,42 @@ static gint gtk_window_motion_notify_callback( GtkWidget *widget,
     else // no capture
     {
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
+
+        // reset the event object and id in case win changed.
+        event.SetEventObject( win );
+        event.SetId( win->GetId() );
     }
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
+    if ( !g_captureWindow )
     {
-        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "motion_notify_event" );
-        return TRUE;
+        wxSetCursorEvent cevent( event.m_x, event.m_y );
+        if (win->GetEventHandler()->ProcessEvent( cevent ))
+        {
+            // Rewrite cursor handling here (away from idle).
+        }
     }
 
-    return FALSE;
-}
+    return win->GetEventHandler()->ProcessEvent(event);
 }
 
-#ifdef __WXGTK20__
 //-----------------------------------------------------------------------------
-// "mouse_wheel_event"
+// "scroll_event", (mouse wheel event)
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static gint gtk_window_wheel_callback (GtkWidget * widget,
-                                       GdkEventScroll * gdk_event,
-                                       wxWindowGTK * win)
+static gboolean
+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
 
-    wxEventType event_type = wxEVT_NULL;
-    if (gdk_event->direction == GDK_SCROLL_UP)
-        event_type = wxEVT_MOUSEWHEEL;
-    else if (gdk_event->direction == GDK_SCROLL_DOWN)
-        event_type = wxEVT_MOUSEWHEEL;
-    else
-        return FALSE;
+    if (gdk_event->direction != GDK_SCROLL_UP &&
+        gdk_event->direction != GDK_SCROLL_DOWN)
+    {
+        return false;
+    }
 
-    wxMouseEvent event( event_type );
+    wxMouseEvent event(wxEVT_MOUSEWHEEL);
     // Can't use InitMouse macro because scroll events don't have button
     event.SetTimestamp( gdk_event->time );
     event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK);
@@ -2030,65 +1778,35 @@ static gint gtk_window_wheel_callback (GtkWidget * widget,
     event.SetId( win->GetId() );
     event.SetTimestamp( gdk_event->time );
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "scroll_event" );
-        return TRUE;
-    }
-
-    return FALSE;
-}
+    return win->GetEventHandler()->ProcessEvent(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);
 }
-}
-#endif // __WXGTK20__
 
 //-----------------------------------------------------------------------------
 // "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 gint gtk_window_focus_in_callback( GtkWidget *widget,
-                                          GdkEvent *WXUNUSED(event),
-                                          wxWindow *win )
+static gboolean
+gtk_window_focus_in_callback( GtkWidget *widget,
+                              GdkEventFocus *WXUNUSED(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
 
-#ifdef __WXGTK20__
     if (win->m_imData)
         gtk_im_context_focus_in(win->m_imData->context);
-#endif
 
     g_focusWindowLast =
     g_focusWindow = win;
@@ -2110,39 +1828,42 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
     }
 #endif // wxUSE_CARET
 
+    gboolean ret = FALSE;
+
     // does the window itself think that it has the focus?
     if ( !win->m_hasFocus )
     {
         // not yet, notify it
         win->m_hasFocus = true;
 
-        if ( DoSendFocusEvents(win) )
-        {
-           gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_in_event" );
-           return TRUE;
-        }
+        (void)DoSendFocusEvents(win);
+
+        ret = TRUE;
     }
 
+    // Disable default focus handling for custom windows
+    // since the default GTK+ handler issues a repaint
+    if (win->m_wxwindow)
+        return ret;
+
     return FALSE;
 }
-}
 
 //-----------------------------------------------------------------------------
 // "focus_out_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk_event, wxWindowGTK *win )
+static gboolean
+gtk_window_focus_out_callback( GtkWidget *widget,
+                               GdkEventFocus *gdk_event,
+                               wxWindowGTK *win )
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    // don't need to install idle handler, its done from "event" signal
 
-#ifdef __WXGTK20__
     if (win->m_imData)
         gtk_im_context_focus_out(win->m_imData->context);
-#endif
 
     wxLogTrace( TRACE_FOCUS,
                 _T("%s: focus out"), win->GetName().c_str() );
@@ -2168,6 +1889,8 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk
     }
 #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 )
@@ -2177,40 +1900,33 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk
         wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
         event.SetEventObject( win );
 
-        // even if we did process the event in wx code, still let GTK itself
-        // process it too as otherwise bad things happen, especially in GTK2
-        // where the text control simply aborts the program if it doesn't get
-        // the matching focus out event
         (void)win->GetEventHandler()->ProcessEvent( event );
+
+        ret = TRUE;
     }
 
+    // Disable default focus handling for custom windows
+    // since the default GTK+ handler issues a repaint
+    if (win->m_wxwindow)
+        return ret;
+
     return FALSE;
 }
-}
 
 //-----------------------------------------------------------------------------
 // "enter_notify_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static
-gint gtk_window_enter_callback( GtkWidget *widget,
-                                GdkEventCrossing *gdk_event,
-                                wxWindowGTK *win )
+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;
@@ -2223,36 +1939,32 @@ gint gtk_window_enter_callback( GtkWidget *widget,
     event.m_x = x + pt.x;
     event.m_y = y + pt.y;
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
+    if ( !g_captureWindow )
     {
-       gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "enter_notify_event" );
-       return TRUE;
+        wxSetCursorEvent cevent( event.m_x, event.m_y );
+        if (win->GetEventHandler()->ProcessEvent( cevent ))
+        {
+            // Rewrite cursor handling here (away from idle).
+        }
     }
 
-    return FALSE;
-}
+    return win->GetEventHandler()->ProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
 // "leave_notify_event"
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxWindowGTK *win )
+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 );
@@ -2275,169 +1987,94 @@ static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_
     event.m_x = x + pt.x;
     event.m_y = y + pt.y;
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "leave_notify_event" );
-        return TRUE;
-    }
-
-    return FALSE;
-}
+    return win->GetEventHandler()->ProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
-// "value_changed" from m_vAdjust
+// "value_changed" from scrollbar
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static void gtk_window_vscroll_callback( GtkAdjustment *adjust,
-                                         SCROLLBAR_CBACK_ARG
-                                         wxWindowGTK *win )
+static void
+gtk_scrollbar_value_changed(GtkRange* range, wxWindow* win)
 {
-    DEBUG_MAIN_THREAD
-
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    if (g_blockEventsOnDrag) return;
-
-    if (!win->m_hasVMT) return;
-
-    float diff = adjust->value - win->m_oldVerticalPos;
-    if (fabs(diff) < 0.2) return;
-
-    win->m_oldVerticalPos = adjust->value;
+    wxEventType eventType = win->GetScrollEventType(range);
+    if (eventType != wxEVT_NULL)
+    {
+        // Convert scroll event type to scrollwin event type
+        eventType += wxEVT_SCROLLWIN_TOP - wxEVT_SCROLL_TOP;
 
-#ifndef __WXGTK20__
-    GtkScrolledWindow   *sw = GTK_SCROLLED_WINDOW(win->m_widget);
-#endif
-    wxEventType         command = GtkScrollWinTypeToWx(GET_SCROLL_TYPE(sw->vscrollbar));
+        // find the scrollbar which generated the event
+        wxWindowGTK::ScrollDir dir = win->ScrollDirFromRange(range);
 
-    int value = (int)(adjust->value+0.5);
+        // generate the corresponding wx event
+        const int orient = win->OrientFromScrollDir(dir);
+        wxScrollWinEvent event(eventType, win->GetScrollPos(orient), orient);
+        event.SetEventObject(win);
 
-    wxScrollWinEvent event( command, value, wxVERTICAL );
-    event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
-}
+        win->m_blockValueChanged[dir] = true;
+        win->GetEventHandler()->ProcessEvent(event);
+        win->m_blockValueChanged[dir] = false;
+    }
 }
 
 //-----------------------------------------------------------------------------
-// "value_changed" from m_hAdjust
+// "button_press_event" from scrollbar
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static void gtk_window_hscroll_callback( GtkAdjustment *adjust,
-                                         SCROLLBAR_CBACK_ARG
-                                         wxWindowGTK *win )
+static gboolean
+gtk_scrollbar_button_press_event(GtkRange*, GdkEventButton*, wxWindow* win)
 {
     DEBUG_MAIN_THREAD
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    if (g_blockEventsOnDrag) return;
-    if (!win->m_hasVMT) return;
-
-    float diff = adjust->value - win->m_oldHorizontalPos;
-    if (fabs(diff) < 0.2) return;
+    // don't need to install idle handler, its done from "event" signal
 
-#ifndef __WXGTK20__
-    GtkScrolledWindow   *sw = GTK_SCROLLED_WINDOW(win->m_widget);
-#endif
-    wxEventType         command = GtkScrollWinTypeToWx(GET_SCROLL_TYPE(sw->hscrollbar));
-
-    win->m_oldHorizontalPos = adjust->value;
-
-    int value = (int)(adjust->value+0.5);
+    g_blockEventsOnScroll = true;
+    win->m_mouseButtonDown = true;
 
-    wxScrollWinEvent event( command, value, wxHORIZONTAL );
-    event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
-}
+    return false;
 }
 
 //-----------------------------------------------------------------------------
-// "button_press_event" from scrollbar
+// "event_after" from scrollbar
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
-                                                 GdkEventButton *gdk_event,
-                                                 wxWindowGTK *win)
+static void
+gtk_scrollbar_event_after(GtkRange* range, GdkEvent* event, wxWindow* win)
 {
-    DEBUG_MAIN_THREAD
-
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-
-    g_blockEventsOnScroll = true;
-
-    // FIXME: there is no 'slider' field in GTK+ 2.0 any more
-#ifndef __WXGTK20__
-    win->m_isScrolling = (gdk_event->window == widget->slider);
-#endif
+    if (event->type == GDK_BUTTON_RELEASE)
+    {
+        g_signal_handlers_block_by_func(range, (void*)gtk_scrollbar_event_after, win);
 
-    return FALSE;
-}
+        const int orient = win->OrientFromScrollDir(
+                                        win->ScrollDirFromRange(range));
+        wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBRELEASE, win->GetScrollPos(orient), orient);
+        event.SetEventObject(win);
+        win->GetEventHandler()->ProcessEvent(event);
+    }
 }
 
 //-----------------------------------------------------------------------------
 // "button_release_event" from scrollbar
 //-----------------------------------------------------------------------------
 
-extern "C" {
-static gint gtk_scrollbar_button_release_callback( GtkRange *widget,
-                                                   GdkEventButton *WXUNUSED(gdk_event),
-                                                   wxWindowGTK *win)
+static gboolean
+gtk_scrollbar_button_release_event(GtkRange* range, GdkEventButton*, wxWindow* win)
 {
     DEBUG_MAIN_THREAD
 
-//  don't test here as we can release the mouse while being over
-//  a different window than the slider
-//
-//    if (gdk_event->window != widget->slider) return FALSE;
-
     g_blockEventsOnScroll = false;
-
+    win->m_mouseButtonDown = false;
+    // If thumb tracking
     if (win->m_isScrolling)
     {
-        wxEventType command = wxEVT_SCROLLWIN_THUMBRELEASE;
-        int value = -1;
-        int dir = -1;
-
-        GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(win->m_widget);
-        if (widget == GTK_RANGE(scrolledWindow->hscrollbar))
-        {
-            value = (int)(win->m_hAdjust->value+0.5);
-            dir = wxHORIZONTAL;
-        }
-        if (widget == GTK_RANGE(scrolledWindow->vscrollbar))
-        {
-            value = (int)(win->m_vAdjust->value+0.5);
-            dir = wxVERTICAL;
-        }
-
-        wxScrollWinEvent event( command, value, dir );
-        event.SetEventObject( win );
-        win->GetEventHandler()->ProcessEvent( event );
+        win->m_isScrolling = false;
+        // Hook up handler to send thumb release event after this emission is finished.
+        // To allow setting scroll position from event handler, sending event must
+        // be deferred until after the GtkRange handler for this signal has run
+        g_signal_handlers_unblock_by_func(range, (void*)gtk_scrollbar_event_after, win);
     }
 
-    win->m_isScrolling = false;
-
-    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;
+    return false;
 }
 
 //-----------------------------------------------------------------------------
@@ -2447,8 +2084,7 @@ wxWindow *wxWindowBase::DoFindFocus()
 /* We cannot set colours and fonts before the widget has
    been realized, so we do this directly after realization. */
 
-extern "C" {
-static gint
+static void
 gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win )
 {
     DEBUG_MAIN_THREAD
@@ -2456,28 +2092,22 @@ gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win )
     if (g_isIdle)
         wxapp_install_idle_handler();
 
-#ifdef __WXGTK20__
     if (win->m_imData)
     {
         GtkPizza *pizza = GTK_PIZZA( m_widget );
         gtk_im_context_set_client_window( win->m_imData->context,
                                           pizza->bin_window );
     }
-#endif
 
     wxWindowCreateEvent event( win );
     event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent( event );
-
-    return FALSE;
-}
 }
 
 //-----------------------------------------------------------------------------
 // "size_allocate"
 //-----------------------------------------------------------------------------
 
-extern "C" {
 static
 void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
                                GtkAllocation *WXUNUSED(alloc),
@@ -2486,8 +2116,6 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
     if (g_isIdle)
         wxapp_install_idle_handler();
 
-    if (!win->m_hasScrolling) return;
-
     int client_width = 0;
     int client_height = 0;
     win->GetClientSize( &client_width, &client_height );
@@ -2504,7 +2132,6 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
         win->GetEventHandler()->ProcessEvent( event );
     }
 }
-}
 
 
 #ifdef HAVE_XIM
@@ -2514,8 +2141,6 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
 #endif
 
 /* Resize XIM window */
-
-extern "C" {
 static
 void gtk_wxwindow_size_callback( GtkWidget* WXUNUSED_UNLESS_XIM(widget),
                                  GtkAllocation* WXUNUSED_UNLESS_XIM(alloc),
@@ -2532,14 +2157,13 @@ void gtk_wxwindow_size_callback( GtkWidget* WXUNUSED_UNLESS_XIM(widget),
     {
         gint width, height;
 
-        gdk_window_get_size (widget->window, &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);
     }
 #endif // HAVE_XIM
 }
-}
 
 //-----------------------------------------------------------------------------
 // "realize" from m_wxwindow
@@ -2547,8 +2171,7 @@ void gtk_wxwindow_size_callback( GtkWidget* WXUNUSED_UNLESS_XIM(widget),
 
 /* Initialize XIM support */
 
-extern "C" {
-static gint
+static void
 gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
                                 wxWindowGTK * WXUNUSED_UNLESS_XIM(win) )
 {
@@ -2556,12 +2179,12 @@ gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
         wxapp_install_idle_handler();
 
 #ifdef HAVE_XIM
-    if (win->m_ic) return FALSE;
-    if (!widget) return FALSE;
-    if (!gdk_im_ready()) return FALSE;
+    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 FALSE;
+    if (!win->m_icattr) return;
 
     gint width, height;
     GdkEventMask mask;
@@ -2603,7 +2226,7 @@ gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
                 break;
             }
 
-            gdk_window_get_size (widget->window, &width, &height);
+            gdk_drawable_get_size (widget->window, &width, &height);
 
             attrmask |= GDK_IC_PREEDIT_POSITION_REQ;
             attr->spot_location.x = 0;
@@ -2631,9 +2254,19 @@ gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
               gdk_im_begin (win->m_ic, widget->window);
       }
 #endif // HAVE_XIM
-
-    return FALSE;
 }
+
+} // extern "C"
+
+// ----------------------------------------------------------------------------
+// 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;
 }
 
 //-----------------------------------------------------------------------------
@@ -2672,6 +2305,31 @@ wxWindow *wxGetActiveWindow()
     return wxWindow::FindFocus();
 }
 
+
+wxMouseState wxGetMouseState()
+{
+    wxMouseState ms;
+
+    gint x;
+    gint y;
+    GdkModifierType mask;
+
+    gdk_window_get_pointer(NULL, &x, &y, &mask);
+
+    ms.SetX(x);
+    ms.SetY(y);
+    ms.SetLeftDown(mask & GDK_BUTTON1_MASK);
+    ms.SetMiddleDown(mask & GDK_BUTTON2_MASK);
+    ms.SetRightDown(mask & GDK_BUTTON3_MASK);
+
+    ms.SetControlDown(mask & GDK_CONTROL_MASK);
+    ms.SetShiftDown(mask & GDK_SHIFT_MASK);
+    ms.SetAltDown(mask & GDK_MOD1_MASK);
+    ms.SetMetaDown(mask & GDK_MOD2_MASK);
+
+    return ms;
+}
+
 //-----------------------------------------------------------------------------
 // wxWindowGTK
 //-----------------------------------------------------------------------------
@@ -2701,17 +2359,25 @@ void wxWindowGTK::Init()
     m_hasVMT = false;
     m_needParent = true;
     m_isBeingDeleted = false;
+    
+    m_showOnIdle= false;
 
     m_noExpose = false;
     m_nativeSizeEvent = false;
 
     m_hasScrolling = false;
     m_isScrolling = false;
+    m_mouseButtonDown = false;
+    m_blockScrollEvent = false;
+
+    // initialize scrolling stuff
+    for ( int dir = 0; dir < ScrollDir_Max; dir++ )
+    {
+        m_scrollBar[dir] = NULL;
+        m_scrollPos[dir] = 0;
+        m_blockValueChanged[dir] = false;
+    }
 
-    m_hAdjust = (GtkAdjustment*) NULL;
-    m_vAdjust = (GtkAdjustment*) NULL;
-    m_oldHorizontalPos =
-    m_oldVerticalPos = 0.0;
     m_oldClientWidth =
     m_oldClientHeight = 0;
 
@@ -2728,15 +2394,8 @@ void wxWindowGTK::Init()
 
     m_cursor = *wxSTANDARD_CURSOR;
 
-#ifdef __WXGTK20__
     m_imData = NULL;
     m_dirtyTabOrder = false;
-#else
-#ifdef HAVE_XIM
-    m_ic = (GdkIC*) NULL;
-    m_icattr = (GdkICAttr*) NULL;
-#endif
-#endif
 }
 
 wxWindowGTK::wxWindowGTK()
@@ -2782,8 +2441,8 @@ bool wxWindowGTK::Create( wxWindow *parent,
 
     gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 
-    m_hAdjust = gtk_range_get_adjustment( GTK_RANGE(scrolledWindow->hscrollbar) );
-    m_vAdjust = gtk_range_get_adjustment( GTK_RANGE(scrolledWindow->vscrollbar) );
+    m_scrollBar[ScrollDir_Horz] = GTK_RANGE(scrolledWindow->hscrollbar);
+    m_scrollBar[ScrollDir_Vert] = GTK_RANGE(scrolledWindow->vscrollbar);
 
     m_wxwindow = gtk_pizza_new();
 
@@ -2813,46 +2472,25 @@ bool wxWindowGTK::Create( wxWindow *parent,
     GTK_WIDGET_SET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
     m_acceptsFocus = true;
 
-    // I _really_ don't want scrollbars in the beginning
-    m_vAdjust->lower = 0.0;
-    m_vAdjust->upper = 1.0;
-    m_vAdjust->value = 0.0;
-    m_vAdjust->step_increment = 1.0;
-    m_vAdjust->page_increment = 1.0;
-    m_vAdjust->page_size = 5.0;
-    gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "changed" );
-    m_hAdjust->lower = 0.0;
-    m_hAdjust->upper = 1.0;
-    m_hAdjust->value = 0.0;
-    m_hAdjust->step_increment = 1.0;
-    m_hAdjust->page_increment = 1.0;
-    m_hAdjust->page_size = 5.0;
-    gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "changed" );
-
-    // 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
-
-    gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_press_event",
-          (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this );
-
-    gtk_signal_connect( GTK_OBJECT(scrolledWindow->hscrollbar), "button_press_event",
-          (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this );
-
-    gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_release_event",
-          (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this );
-
-    gtk_signal_connect( GTK_OBJECT(scrolledWindow->hscrollbar), "button_release_event",
-          (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this );
-
-    // these handlers get notified when screen updates are required either when
-    // scrolling or when the window size (and therefore scrollbar configuration)
-    // has changed
-
-    gtk_signal_connect( GTK_OBJECT(m_hAdjust), "value_changed",
-          (GtkSignalFunc) gtk_window_hscroll_callback, (gpointer) this );
-    gtk_signal_connect( GTK_OBJECT(m_vAdjust), "value_changed",
-          (GtkSignalFunc) gtk_window_vscroll_callback, (gpointer) this );
+    // 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(m_scrollBar[dir], "value_changed",
+                         G_CALLBACK(gtk_scrollbar_value_changed), this);
+    }
 
     gtk_widget_show( m_wxwindow );
 
@@ -2886,10 +2524,12 @@ wxWindowGTK::~wxWindowGTK()
     // propagated to this (soon to be) dead object
     if (m_focusWidget != NULL)
     {
-        gtk_signal_disconnect_by_func( GTK_OBJECT(m_focusWidget),
-            (GtkSignalFunc) gtk_window_focus_in_callback, (gpointer) this );
-        gtk_signal_disconnect_by_func( GTK_OBJECT(m_focusWidget),
-            (GtkSignalFunc) gtk_window_focus_out_callback, (gpointer) this );
+        g_signal_handlers_disconnect_by_func (m_focusWidget,
+                                              (gpointer) gtk_window_focus_in_callback,
+                                              this);
+        g_signal_handlers_disconnect_by_func (m_focusWidget,
+                                              (gpointer) gtk_window_focus_out_callback,
+                                              this);
     }
 
     if (m_widget)
@@ -2902,10 +2542,8 @@ wxWindowGTK::~wxWindowGTK()
         gdk_ic_attr_destroy (m_icattr);
 #endif
 
-#ifdef __WXGTK20__
     // delete before the widgets to avoid a crash on solaris
     delete m_imData;
-#endif
 
     if (m_wxwindow)
     {
@@ -2947,42 +2585,24 @@ void wxWindowGTK::PostCreation()
 
             gtk_pizza_set_external( GTK_PIZZA(m_wxwindow), TRUE );
 
-            gtk_signal_connect( GTK_OBJECT(m_wxwindow), "expose_event",
-                GTK_SIGNAL_FUNC(gtk_window_expose_callback), (gpointer)this );
-
-#ifndef __WXGTK20__
-            gtk_signal_connect( GTK_OBJECT(m_wxwindow), "draw",
-                GTK_SIGNAL_FUNC(gtk_window_draw_callback), (gpointer)this );
+            g_signal_connect (m_wxwindow, "expose_event",
+                              G_CALLBACK (gtk_window_expose_callback), this);
 
-            if (!HasFlag(wxFULL_REPAINT_ON_RESIZE))
-            {
-                gtk_signal_connect( GTK_OBJECT(m_wxwindow), "event",
-                    GTK_SIGNAL_FUNC(gtk_window_event_event_callback), (gpointer)this );
-            }
-#else
-            // gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), !HasFlag( wxFULL_REPAINT_ON_RESIZE ) );
-#endif
+            gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), HasFlag( wxFULL_REPAINT_ON_RESIZE ) );
         }
 
-#ifdef __WXGTK20__
         // Create input method handler
         m_imData = new wxGtkIMData;
 
         // Cannot handle drawing preedited text yet
         gtk_im_context_set_use_preedit( m_imData->context, FALSE );
 
-        g_signal_connect (G_OBJECT (m_imData->context), "commit",
+        g_signal_connect (m_imData->context, "commit",
                           G_CALLBACK (gtk_wxwindow_commit_cb), this);
-#endif
 
         // these are called when the "sunken" or "raised" borders are drawn
-        gtk_signal_connect( GTK_OBJECT(m_widget), "expose_event",
-          GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
-
-#ifndef __WXGTK20__
-        gtk_signal_connect( GTK_OBJECT(m_widget), "draw",
-          GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
-#endif
+        g_signal_connect (m_widget, "expose_event",
+                          G_CALLBACK (gtk_window_own_expose_callback), this);
     }
 
     // focus handling
@@ -2992,11 +2612,20 @@ void wxWindowGTK::PostCreation()
         if (m_focusWidget == NULL)
             m_focusWidget = m_widget;
 
-        gtk_signal_connect( GTK_OBJECT(m_focusWidget), "focus_in_event",
-            GTK_SIGNAL_FUNC(gtk_window_focus_in_callback), (gpointer)this );
-
-        gtk_signal_connect_after( GTK_OBJECT(m_focusWidget), "focus_out_event",
-            GTK_SIGNAL_FUNC(gtk_window_focus_out_callback), (gpointer)this );
+        if (m_wxwindow)
+        {
+            g_signal_connect (m_focusWidget, "focus_in_event",
+                          G_CALLBACK (gtk_window_focus_in_callback), this);
+            g_signal_connect (m_focusWidget, "focus_out_event",
+                                G_CALLBACK (gtk_window_focus_out_callback), this);
+        }
+        else
+        {
+            g_signal_connect_after (m_focusWidget, "focus_in_event",
+                          G_CALLBACK (gtk_window_focus_in_callback), this);
+            g_signal_connect_after (m_focusWidget, "focus_out_event",
+                                G_CALLBACK (gtk_window_focus_out_callback), this);
+        }
     }
 
     // connect to the various key and mouse handlers
@@ -3007,41 +2636,50 @@ void wxWindowGTK::PostCreation()
 
     /* We cannot set colours, fonts and cursors before the widget has
        been realized, so we do this directly after realization */
-    gtk_signal_connect( GTK_OBJECT(connect_widget), "realize",
-                            GTK_SIGNAL_FUNC(gtk_window_realized_callback), (gpointer) this );
+    g_signal_connect (connect_widget, "realize",
+                      G_CALLBACK (gtk_window_realized_callback), this);
 
     if (m_wxwindow)
     {
         // Catch native resize events
-        gtk_signal_connect( GTK_OBJECT(m_wxwindow), "size_allocate",
-                            GTK_SIGNAL_FUNC(gtk_window_size_callback), (gpointer)this );
+        g_signal_connect (m_wxwindow, "size_allocate",
+                          G_CALLBACK (gtk_window_size_callback), this);
 
         // Initialize XIM support
-        gtk_signal_connect( GTK_OBJECT(m_wxwindow), "realize",
-                            GTK_SIGNAL_FUNC(gtk_wxwindow_realized_callback), (gpointer) this );
+        g_signal_connect (m_wxwindow, "realize",
+                          G_CALLBACK (gtk_wxwindow_realized_callback), this);
 
         // And resize XIM window
-        gtk_signal_connect( GTK_OBJECT(m_wxwindow), "size_allocate",
-                            GTK_SIGNAL_FUNC(gtk_wxwindow_size_callback), (gpointer)this );
+        g_signal_connect (m_wxwindow, "size_allocate",
+                          G_CALLBACK (gtk_wxwindow_size_callback), this);
     }
 
     if (GTK_IS_COMBO(m_widget))
     {
         GtkCombo *gcombo = GTK_COMBO(m_widget);
 
-        gtk_signal_connect( GTK_OBJECT(gcombo->entry), "size_request",
-                            GTK_SIGNAL_FUNC(wxgtk_combo_size_request_callback),
-                            (gpointer) this );
+        g_signal_connect (gcombo->entry, "size_request",
+                          G_CALLBACK (wxgtk_combo_size_request_callback),
+                          this);
+    }
+#ifdef GTK_IS_FILE_CHOOSER_BUTTON
+    else if (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 ?
     }
+#endif
     else
     {
         // This is needed if we want to add our windows into native
         // GTK controls, such as the toolbar. With this callback, the
         // toolbar gets to know the correct size (the one set by the
         // programmer). Sadly, it misbehaves for wxComboBox.
-        gtk_signal_connect( GTK_OBJECT(m_widget), "size_request",
-                            GTK_SIGNAL_FUNC(wxgtk_window_size_request_callback),
-                            (gpointer) this );
+        g_signal_connect (m_widget, "size_request",
+                          G_CALLBACK (wxgtk_window_size_request_callback),
+                          this);
     }
 
     InheritAttributes();
@@ -3056,33 +2694,24 @@ void wxWindowGTK::PostCreation()
 
 void wxWindowGTK::ConnectWidget( GtkWidget *widget )
 {
-    gtk_signal_connect( GTK_OBJECT(widget), "key_press_event",
-      GTK_SIGNAL_FUNC(gtk_window_key_press_callback), (gpointer)this );
-
-    gtk_signal_connect( GTK_OBJECT(widget), "key_release_event",
-      GTK_SIGNAL_FUNC(gtk_window_key_release_callback), (gpointer)this );
-
-    gtk_signal_connect( GTK_OBJECT(widget), "button_press_event",
-      GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
-
-    gtk_signal_connect( GTK_OBJECT(widget), "button_release_event",
-      GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
-
-    gtk_signal_connect( GTK_OBJECT(widget), "motion_notify_event",
-      GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
-
-#ifdef __WXGTK20__
-    gtk_signal_connect( GTK_OBJECT(widget), "scroll_event",
-      GTK_SIGNAL_FUNC(gtk_window_wheel_callback), (gpointer)this );
-    g_signal_connect(widget, "popup_menu",
-        G_CALLBACK(wxgtk_window_popup_menu_callback), this);
-#endif
-
-    gtk_signal_connect( GTK_OBJECT(widget), "enter_notify_event",
-      GTK_SIGNAL_FUNC(gtk_window_enter_callback), (gpointer)this );
-
-    gtk_signal_connect( GTK_OBJECT(widget), "leave_notify_event",
-      GTK_SIGNAL_FUNC(gtk_window_leave_callback), (gpointer)this );
+    g_signal_connect (widget, "key_press_event",
+                      G_CALLBACK (gtk_window_key_press_callback), this);
+    g_signal_connect (widget, "key_release_event",
+                      G_CALLBACK (gtk_window_key_release_callback), this);
+    g_signal_connect (widget, "button_press_event",
+                      G_CALLBACK (gtk_window_button_press_callback), this);
+    g_signal_connect (widget, "button_release_event",
+                      G_CALLBACK (gtk_window_button_release_callback), this);
+    g_signal_connect (widget, "motion_notify_event",
+                      G_CALLBACK (gtk_window_motion_notify_callback), this);
+    g_signal_connect (widget, "scroll_event",
+                      G_CALLBACK (window_scroll_event), this);
+    g_signal_connect (widget, "popup_menu",
+                     G_CALLBACK (wxgtk_window_popup_menu_callback), this);
+    g_signal_connect (widget, "enter_notify_event",
+                      G_CALLBACK (gtk_window_enter_callback), this);
+    g_signal_connect (widget, "leave_notify_event",
+                      G_CALLBACK (gtk_window_leave_callback), this);
 }
 
 bool wxWindowGTK::Destroy()
@@ -3119,9 +2748,46 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
         y = currentY;
     AdjustForParentClientOrigin(x, y, sizeFlags);
 
-    if (m_parent->m_wxwindow == NULL) /* i.e. wxNotebook */
+    // calculate the best size if we should auto size the window
+    if ( ((sizeFlags & wxSIZE_AUTO_WIDTH) && width == -1) ||
+         ((sizeFlags & wxSIZE_AUTO_HEIGHT) && height == -1) )
+    {
+        const wxSize sizeBest = GetBestSize();
+        if ( (sizeFlags & wxSIZE_AUTO_WIDTH) && width == -1 )
+            width = sizeBest.x;
+        if ( (sizeFlags & wxSIZE_AUTO_HEIGHT) && height == -1 )
+            height = sizeBest.y;
+    }
+
+    if (width != -1)
+        m_width = width;
+    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;
+
+#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);
+       gtk_widget_set_size_request (widget, m_width, m_height);
+       if (GTK_WIDGET_VISIBLE (widget))
+            gtk_widget_queue_resize (widget);
+    }
+    else
+#endif
+    if (m_parent->m_wxwindow == NULL) // i.e. wxNotebook
     {
-        /* don't set the size for children of wxNotebook, just take the values. */
+        // don't set the size for children of wxNotebook, just take the values.
         m_x = x;
         m_y = y;
         m_width = width;
@@ -3141,32 +2807,6 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
             m_y = y + pizza->yoffset;
         }
 
-        // calculate the best size if we should auto size the window
-        if ( ((sizeFlags & wxSIZE_AUTO_WIDTH) && width == -1) ||
-                ((sizeFlags & wxSIZE_AUTO_HEIGHT) && height == -1) )
-        {
-            const wxSize sizeBest = GetBestSize();
-            if ( (sizeFlags & wxSIZE_AUTO_WIDTH) && width == -1 )
-                width = sizeBest.x;
-            if ( (sizeFlags & wxSIZE_AUTO_HEIGHT) && height == -1 )
-                height = sizeBest.y;
-        }
-
-        if (width != -1)
-            m_width = width;
-        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;
-
         int left_border = 0;
         int right_border = 0;
         int top_border = 0;
@@ -3175,7 +2815,6 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
         /* the default button has a border around it */
         if (GTK_WIDGET_CAN_DEFAULT(m_widget))
         {
-#ifdef __WXGTK20__
             GtkBorder *default_border = NULL;
             gtk_widget_style_get( m_widget, "default_border", &default_border, NULL );
             if (default_border)
@@ -3186,12 +2825,6 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
                 bottom_border += default_border->bottom;
                 g_free( default_border );
             }
-#else
-            left_border = 6;
-            right_border = 6;
-            top_border = 6;
-            bottom_border = 5;
-#endif
         }
 
         DoMoveWindow( m_x-top_border,
@@ -3228,12 +2861,38 @@ 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()
 {
-#ifdef __WXGTK20__
+    // Check if we have to show window now
+    if (GtkShowFromOnIdle()) return;
+
     if ( m_dirtyTabOrder )
+    {
+        m_dirtyTabOrder = false;
         RealizeTabOrder();
-#endif
+    }
+
     // Update style if the window was not yet realized
     // and SetBackgroundStyle(wxBG_STYLE_CUSTOM) was called
     if (m_needsStyleChange)
@@ -3241,10 +2900,7 @@ void wxWindowGTK::OnInternalIdle()
         SetBackgroundStyle(GetBackgroundStyle());
         m_needsStyleChange = false;
     }
-
-    // Update invalidated regions.
-    GtkUpdate();
-
+    
     wxCursor cursor = m_cursor;
     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 
@@ -3269,13 +2925,11 @@ void wxWindowGTK::OnInternalIdle()
                 gdk_window_set_cursor( window, cursor.GetCursor() );
 
         }
-        else
+        else if ( m_widget )
         {
-
             GdkWindow *window = m_widget->window;
-            if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
+            if ( window && !GTK_WIDGET_NO_WINDOW(m_widget) )
                gdk_window_set_cursor( window, cursor.GetCursor() );
-
         }
     }
 
@@ -3295,135 +2949,76 @@ void wxWindowGTK::DoSetClientSize( int width, int height )
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
 
-    if (!m_wxwindow)
-    {
-        SetSize( width, height );
-    }
-    else
+    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))
         {
-            /* when using GTK 1.2 we set the shadow border size to 2 */
+            // shadow border size is 2
             dw += 2 * 2;
             dh += 2 * 2;
         }
         if (HasFlag(wxSIMPLE_BORDER))
         {
-            /* when using GTK 1.2 we set the simple border size to 1 */
+            // simple border size is 1
             dw += 1 * 2;
             dh += 1 * 2;
         }
 #endif // __WXUNIVERSAL__
 
-        if (m_hasScrolling)
-        {
-            GtkScrolledWindow *scroll_window = GTK_SCROLLED_WINDOW(m_widget);
-
-            GtkRequisition vscroll_req;
-            vscroll_req.width = 2;
-            vscroll_req.height = 2;
-            (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(scroll_window->vscrollbar) )->size_request )
-                (scroll_window->vscrollbar, &vscroll_req );
-
-            GtkRequisition hscroll_req;
-            hscroll_req.width = 2;
-            hscroll_req.height = 2;
-            (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(scroll_window->hscrollbar) )->size_request )
-                (scroll_window->hscrollbar, &hscroll_req );
-
-            GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) );
-
-            if (scroll_window->vscrollbar_visible)
-            {
-                dw += vscroll_req.width;
-                dw += scroll_class->scrollbar_spacing;
-            }
-
-            if (scroll_window->hscrollbar_visible)
-            {
-                dh += hscroll_req.height;
-                dh += scroll_class->scrollbar_spacing;
-            }
-        }
-
-       SetSize( width+dw, height+dh );
+        width += dw;
+        height += dh;
     }
+
+    SetSize(width, height);
 }
 
 void wxWindowGTK::DoGetClientSize( int *width, int *height ) const
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
 
-    if (!m_wxwindow)
-    {
-        if (width) (*width) = m_width;
-        if (height) (*height) = m_height;
-    }
-    else
+    int w = m_width;
+    int h = m_height;
+
+    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))
         {
-            /* when using GTK 1.2 we set the shadow border size to 2 */
+            // shadow border size is 2
             dw += 2 * 2;
             dh += 2 * 2;
         }
         if (HasFlag(wxSIMPLE_BORDER))
         {
-            /* when using GTK 1.2 we set the simple border size to 1 */
+            // simple border size is 1
             dw += 1 * 2;
             dh += 1 * 2;
         }
 #endif // __WXUNIVERSAL__
 
-        if (m_hasScrolling)
-        {
-            GtkScrolledWindow *scroll_window = GTK_SCROLLED_WINDOW(m_widget);
-
-            GtkRequisition vscroll_req;
-            vscroll_req.width = 2;
-            vscroll_req.height = 2;
-            (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(scroll_window->vscrollbar) )->size_request )
-                (scroll_window->vscrollbar, &vscroll_req );
-
-            GtkRequisition hscroll_req;
-            hscroll_req.width = 2;
-            hscroll_req.height = 2;
-            (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(scroll_window->hscrollbar) )->size_request )
-                (scroll_window->hscrollbar, &hscroll_req );
-
-            GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) );
-
-            if (scroll_window->vscrollbar_visible)
-            {
-                dw += vscroll_req.width;
-                dw += scroll_class->scrollbar_spacing;
-            }
-
-            if (scroll_window->hscrollbar_visible)
-            {
-                dh += hscroll_req.height;
-                dh += scroll_class->scrollbar_spacing;
-            }
-        }
-
-        if (width) (*width) = m_width - dw;
-        if (height) (*height) = m_height - dh;
+        w -= dw;
+        h -= dh;
     }
 
-/*
-    printf( "GetClientSize, name %s ", GetName().c_str() );
-    if (width) printf( " width = %d", (*width) );
-    if (height) printf( " height = %d", (*height) );
-    printf( "\n" );
-*/
+    if (width) *width = w;
+    if (height) *height = h;
 }
 
 void wxWindowGTK::DoGetPosition( int *x, int *y ) const
@@ -3512,14 +3107,22 @@ 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;
 }
@@ -3567,7 +3170,6 @@ int wxWindowGTK::GetCharHeight() const
     wxFont font = GetFont();
     wxCHECK_MSG( font.Ok(), 12, wxT("invalid font") );
 
-#ifdef __WXGTK20__
     PangoContext *context = NULL;
     if (m_widget)
         context = gtk_widget_get_pango_context( m_widget );
@@ -3584,14 +3186,9 @@ int wxWindowGTK::GetCharHeight() const
     PangoRectangle rect;
     pango_layout_line_get_extents(line, NULL, &rect);
 
-    g_object_unref( G_OBJECT( layout ) );
+    g_object_unref (layout);
 
     return (int) PANGO_PIXELS(rect.height);
-#else
-    GdkFont *gfont = font.GetInternalFont( 1.0 );
-
-    return gfont->ascent + gfont->descent;
-#endif
 }
 
 int wxWindowGTK::GetCharWidth() const
@@ -3601,7 +3198,6 @@ int wxWindowGTK::GetCharWidth() const
     wxFont font = GetFont();
     wxCHECK_MSG( font.Ok(), 8, wxT("invalid font") );
 
-#ifdef __WXGTK20__
     PangoContext *context = NULL;
     if (m_widget)
         context = gtk_widget_get_pango_context( m_widget );
@@ -3618,14 +3214,9 @@ int wxWindowGTK::GetCharWidth() const
     PangoRectangle rect;
     pango_layout_line_get_extents(line, NULL, &rect);
 
-    g_object_unref( G_OBJECT( layout ) );
+    g_object_unref (layout);
 
     return (int) PANGO_PIXELS(rect.width);
-#else
-    GdkFont *gfont = font.GetInternalFont( 1.0 );
-
-    return gdk_string_width( gfont, "g" );
-#endif
 }
 
 void wxWindowGTK::GetTextExtent( const wxString& string,
@@ -3646,7 +3237,6 @@ void wxWindowGTK::GetTextExtent( const wxString& string,
         return;
     }
 
-#ifdef __WXGTK20__
     PangoContext *context = NULL;
     if (m_widget)
         context = gtk_widget_get_pango_context( m_widget );
@@ -3662,14 +3252,9 @@ void wxWindowGTK::GetTextExtent( const wxString& string,
     PangoLayout *layout = pango_layout_new(context);
     pango_layout_set_font_description(layout, desc);
     {
-#if wxUSE_UNICODE
-        const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
-        pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
-#else
-        const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
-        const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
-        pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
-#endif
+        const wxCharBuffer data = wxGTK_CONV( string );
+        if ( data )
+            pango_layout_set_text(layout, data, strlen(data));
     }
 
     PangoRectangle rect;
@@ -3684,16 +3269,25 @@ void wxWindowGTK::GetTextExtent( const wxString& string,
         pango_layout_iter_free(iter);
         *descent = *y - PANGO_PIXELS(baseline);
     }
-    if (externalLeading) (*externalLeading) = 0;  // ??
+    if (externalLeading) (*externalLeading) = 0;  // ??
+
+    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;
+        }
+    }
 
-    g_object_unref( G_OBJECT( layout ) );
-#else
-    GdkFont *font = fontToUse.GetInternalFont( 1.0 );
-    if (x) (*x) = gdk_string_width( font, wxGTK_CONV( string ) );
-    if (y) (*y) = font->ascent + font->descent;
-    if (descent) (*descent) = font->descent;
-    if (externalLeading) (*externalLeading) = 0;  // ??
-#endif
+    return false;
 }
 
 void wxWindowGTK::SetFocus()
@@ -3714,13 +3308,11 @@ void wxWindowGTK::SetFocus()
     }
     else if (m_widget)
     {
-#ifdef __WXGTK20__
         if (GTK_IS_CONTAINER(m_widget))
         {
             gtk_widget_child_focus( m_widget, GTK_DIR_TAB_FORWARD );
         }
         else
-#endif
         if (GTK_WIDGET_CAN_FOCUS(m_widget) && !GTK_WIDGET_HAS_FOCUS (m_widget) )
         {
 
@@ -3745,13 +3337,6 @@ void wxWindowGTK::SetFocus()
             }
         }
         else
-#ifndef __WXGTK20__
-        if (GTK_IS_CONTAINER(m_widget))
-        {
-            gtk_container_focus( GTK_CONTAINER(m_widget), GTK_DIR_TAB_FORWARD );
-        }
-        else
-#endif
         {
            wxLogTrace(TRACE_FOCUS,
                       _T("Can't set focus to %s(%s)"),
@@ -3791,6 +3376,12 @@ 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);
     }
@@ -3816,8 +3407,6 @@ void wxWindowGTK::DoAddChild(wxWindowGTK *child)
     (*m_insertCallback)(this, child);
 }
 
-#ifdef __WXGTK20__
-
 void wxWindowGTK::AddChild(wxWindowBase *child)
 {
     wxWindowBase::AddChild(child);
@@ -3842,18 +3431,64 @@ void wxWindowGTK::DoMoveInTabOrder(wxWindow *win, MoveKind move)
         wxapp_install_idle_handler();
 }
 
+bool wxWindowGTK::GTKWidgetNeedsMnemonic() const
+{
+    // none needed by default
+    return false;
+}
+
+void wxWindowGTK::GTKWidgetDoSetMnemonic(GtkWidget* WXUNUSED(w))
+{
+    // nothing to do by default since none is needed
+}
+
 void wxWindowGTK::RealizeTabOrder()
 {
     if (m_wxwindow)
     {
-        if (m_children.size() > 0)
+        if ( !m_children.empty() )
         {
+            // we don't only construct the correct focus chain but also use
+            // this opportunity to update the mnemonic widgets for the widgets
+            // that need them
+
             GList *chain = NULL;
+            wxWindowGTK* mnemonicWindow = NULL;
 
-            for (wxWindowList::const_iterator i = m_children.begin();
-                    i != m_children.end(); ++i)
+            for ( wxWindowList::const_iterator i = m_children.begin();
+                  i != m_children.end();
+                  ++i )
             {
-                chain = g_list_prepend(chain, (*i)->m_widget);
+                wxWindowGTK *win = *i;
+
+                if ( mnemonicWindow )
+                {
+                    if ( win->AcceptsFocusFromKeyboard() )
+                    {
+                        // wxComboBox et al. needs to focus on on a different
+                        // widget than m_widget, so if the main widget isn't
+                        // focusable try the connect widget
+                        GtkWidget* w = win->m_widget;
+                        if ( !GTK_WIDGET_CAN_FOCUS(w) )
+                        {
+                            w = win->GetConnectWidget();
+                            if ( !GTK_WIDGET_CAN_FOCUS(w) )
+                                w = NULL;
+                        }
+
+                        if ( w )
+                        {
+                            mnemonicWindow->GTKWidgetDoSetMnemonic(w);
+                            mnemonicWindow = NULL;
+                        }
+                    }
+                }
+                else if ( win->GTKWidgetNeedsMnemonic() )
+                {
+                    mnemonicWindow = win;
+                }
+
+                chain = g_list_prepend(chain, win->m_widget);
             }
 
             chain = g_list_reverse(chain);
@@ -3861,17 +3496,13 @@ void wxWindowGTK::RealizeTabOrder()
             gtk_container_set_focus_chain(GTK_CONTAINER(m_wxwindow), chain);
             g_list_free(chain);
         }
-        else
+        else // no children
         {
             gtk_container_unset_focus_chain(GTK_CONTAINER(m_wxwindow));
         }
     }
-
-    m_dirtyTabOrder = false;
 }
 
-#endif // __WXGTK20__
-
 void wxWindowGTK::Raise()
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
@@ -3910,10 +3541,36 @@ bool wxWindowGTK::SetCursor( const wxCursor &cursor )
     if (g_isIdle)
         wxapp_install_idle_handler();
 
-    if (cursor == wxNullCursor)
-       return wxWindowBase::SetCursor( *wxSTANDARD_CURSOR );
-    else
-       return wxWindowBase::SetCursor( cursor );
+    return wxWindowBase::SetCursor( cursor.Ok() ? cursor : *wxSTANDARD_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 )
@@ -3933,77 +3590,60 @@ void wxWindowGTK::WarpPointer( int x, int y )
         gdk_window_warp_pointer( window, x, y );
 }
 
-
-void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
+wxWindowGTK::ScrollDir wxWindowGTK::ScrollDirFromRange(GtkRange *range) const
 {
-    if (!m_widget)
-        return;
-    if (!m_widget->window)
-        return;
+    // find the scrollbar which generated the event
+    for ( int dir = 0; dir < ScrollDir_Max; dir++ )
+    {
+        if ( range == m_scrollBar[dir] )
+            return (ScrollDir)dir;
+    }
 
-#ifndef __WXGTK20__
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    wxFAIL_MSG( _T("event from unknown scrollbar received") );
+
+    return ScrollDir_Max;
+}
 
-    wxRect myRect;
-    if (m_wxwindow && rect)
+bool wxWindowGTK::DoScrollByUnits(ScrollDir dir, ScrollUnit unit, int units)
+{
+    bool changed = false;
+    GtkRange* range = m_scrollBar[dir];
+    if ( range && units )
     {
-        myRect.SetSize(wxSize( m_wxwindow->allocation.width,
-                               m_wxwindow->allocation.height));
-        if ( myRect.Intersect(*rect).IsEmpty() )
-        {
-            // nothing to do, rectangle is empty
-            return;
-        }
+        GtkAdjustment* adj = range->adjustment;
+        gdouble inc = unit == ScrollUnit_Line ? adj->step_increment
+                                              : adj->page_increment;
 
-        rect = &myRect;
-    }
+        const int posOld = int(adj->value + 0.5);
+        gtk_range_set_value(range, posOld + units*inc);
 
-    // schedule the area for later updating in GtkUpdate()
-    if (eraseBackground && m_wxwindow && m_wxwindow->window)
-    {
-        if (rect)
-        {
-            m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
-        }
-        else
-        {
-            m_clearRegion.Clear();
-            m_clearRegion.Union( 0, 0, m_wxwindow->allocation.width, m_wxwindow->allocation.height );
-        }
+        changed = int(adj->value + 0.5) != posOld;
     }
 
-    if (rect)
-    {
-        if (m_wxwindow)
-        {
-            m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
-        }
-        else
-        {
-            GdkRectangle gdk_rect;
-            gdk_rect.x = rect->x;
-            gdk_rect.y = rect->y;
-            gdk_rect.width = rect->width;
-            gdk_rect.height = rect->height;
-            gtk_widget_draw( m_widget, &gdk_rect );
-        }
-    }
-    else
-    {
-        if (m_wxwindow)
-        {
-            m_updateRegion.Clear();
-            m_updateRegion.Union( 0, 0, m_wxwindow->allocation.width, m_wxwindow->allocation.height );
-        }
-        else
-        {
-            gtk_widget_draw( m_widget, (GdkRectangle*) NULL );
-        }
-    }
-#else // GTK+ 2
+    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)
+        return;
+    if (!m_widget->window)
+        return;
+
     if (m_wxwindow)
     {
+        if (!GTK_PIZZA(m_wxwindow)->bin_window) return;
+    
         GdkRectangle gdk_rect,
                     *p;
         if (rect)
@@ -4021,7 +3661,6 @@ void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
 
         gdk_window_invalidate_rect( GTK_PIZZA(m_wxwindow)->bin_window, p, TRUE );
     }
-#endif // GTK+ 1/2
 }
 
 void wxWindowGTK::Update()
@@ -4037,13 +3676,10 @@ void wxWindowGTK::Update()
 
 void wxWindowGTK::GtkUpdate()
 {
-#ifdef __WXGTK20__
     if (m_wxwindow && GTK_PIZZA(m_wxwindow)->bin_window)
         gdk_window_process_updates( GTK_PIZZA(m_wxwindow)->bin_window, FALSE );
-#else
-    if (!m_updateRegion.IsEmpty())
-        GtkSendPaintEvents();
-#endif
+    if (m_widget && m_widget->window)
+        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
@@ -4060,9 +3696,6 @@ void wxWindowGTK::GtkSendPaintEvents()
 {
     if (!m_wxwindow)
     {
-#ifndef __WXGTK20__
-        m_clearRegion.Clear();
-#endif
         m_updateRegion.Clear();
         return;
     }
@@ -4106,7 +3739,6 @@ void wxWindowGTK::GtkSendPaintEvents()
     }
     else
 
-#ifdef __WXGTK20__
     {
         wxWindowDC dc( (wxWindow*)this );
         dc.SetClippingRegion( m_updateRegion );
@@ -4116,38 +3748,6 @@ void wxWindowGTK::GtkSendPaintEvents()
 
         GetEventHandler()->ProcessEvent(erase_event);
     }
-#else
-    // if (!m_clearRegion.IsEmpty())   // Always send an erase event under GTK 1.2
-    {
-        wxWindowDC dc( (wxWindow*)this );
-        if (m_clearRegion.IsEmpty())
-            dc.SetClippingRegion( m_updateRegion );
-        else
-            dc.SetClippingRegion( m_clearRegion );
-
-        wxEraseEvent erase_event( GetId(), &dc );
-        erase_event.SetEventObject( this );
-
-        if (!GetEventHandler()->ProcessEvent(erase_event) && GetBackgroundStyle() != wxBG_STYLE_CUSTOM)
-        {
-            if (!g_eraseGC)
-            {
-                g_eraseGC = gdk_gc_new( pizza->bin_window );
-                gdk_gc_set_fill( g_eraseGC, GDK_SOLID );
-            }
-            gdk_gc_set_foreground( g_eraseGC, GetBackgroundColour().GetColor() );
-
-            wxRegionIterator upd( m_clearRegion );
-            while (upd)
-            {
-                gdk_draw_rectangle( pizza->bin_window, g_eraseGC, 1,
-                                    upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
-                upd ++;
-            }
-        }
-        m_clearRegion.Clear();
-    }
-#endif
 
     wxNcPaintEvent nc_paint_event( GetId() );
     nc_paint_event.SetEventObject( this );
@@ -4159,67 +3759,20 @@ void wxWindowGTK::GtkSendPaintEvents()
 
     m_clipPaintRegion = false;
 
-#if !defined(__WXUNIVERSAL__) && !defined(__WXGTK20__)
-    // The following code will result in all window-less widgets
-    // being redrawn because the wxWidgets class is allowed to
-    // paint over the window-less widgets.
-
-    GList *children = pizza->children;
-    while (children)
-    {
-        GtkPizzaChild *child = (GtkPizzaChild*) children->data;
-        children = children->next;
-
-        if (GTK_WIDGET_NO_WINDOW (child->widget) &&
-            GTK_WIDGET_DRAWABLE (child->widget))
-        {
-            // Get intersection of widget area and update region
-            wxRegion region( m_updateRegion );
-
-            GdkEventExpose gdk_event;
-            gdk_event.type = GDK_EXPOSE;
-            gdk_event.window = pizza->bin_window;
-            gdk_event.count = 0;
-            gdk_event.send_event = TRUE;
-
-            wxRegionIterator upd( m_updateRegion );
-            while (upd)
-            {
-                GdkRectangle rect;
-                rect.x = upd.GetX();
-                rect.y = upd.GetY();
-                rect.width = upd.GetWidth();
-                rect.height = upd.GetHeight();
-
-                if (gtk_widget_intersect (child->widget, &rect, &gdk_event.area))
-                {
-                    gtk_widget_event (child->widget, (GdkEvent*) &gdk_event);
-                }
+    m_updateRegion.Clear();
+}
 
-                upd ++;
-            }
-        }
-    }
-#endif // native GTK 1
+void wxWindowGTK::SetDoubleBuffered( bool on )
+{
+    wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
 
-    m_updateRegion.Clear();
+    if ( m_wxwindow )
+        gtk_widget_set_double_buffered( m_wxwindow, on );
 }
 
 void wxWindowGTK::ClearBackground()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
-
-#ifndef __WXGTK20__
-    if (m_wxwindow && m_wxwindow->window)
-    {
-        m_clearRegion.Clear();
-        wxSize size( GetClientSize() );
-        m_clearRegion.Union( 0,0,size.x,size.y );
-
-        // Better do this in idle?
-        GtkUpdate();
-    }
-#endif
 }
 
 #if wxUSE_TOOLTIPS
@@ -4281,12 +3834,10 @@ bool wxWindowGTK::SetForegroundColour( const wxColour &colour )
     return true;
 }
 
-#ifdef __WXGTK20__
 PangoContext *wxWindowGTK::GtkGetPangoDefaultContext()
 {
     return gtk_widget_get_pango_context( m_widget );
 }
-#endif
 
 GtkRcStyle *wxWindowGTK::CreateWidgetStyle(bool forceStyle)
 {
@@ -4302,18 +3853,13 @@ GtkRcStyle *wxWindowGTK::CreateWidgetStyle(bool forceStyle)
 
     if ( m_font.Ok() )
     {
-#ifdef __WXGTK20__
         style->font_desc =
             pango_font_description_copy( m_font.GetNativeFontInfo()->description );
-#else
-        wxString xfontname = m_font.GetNativeFontInfo()->GetXFontName();
-        style->fontset_name = g_strdup(xfontname.c_str());
-#endif
     }
 
     if ( m_foregroundColour.Ok() )
     {
-        GdkColor *fg = m_foregroundColour.GetColor();
+        const GdkColor *fg = m_foregroundColour.GetColor();
 
         style->fg[GTK_STATE_NORMAL] = *fg;
         style->color_flags[GTK_STATE_NORMAL] = GTK_RC_FG;
@@ -4327,7 +3873,7 @@ GtkRcStyle *wxWindowGTK::CreateWidgetStyle(bool forceStyle)
 
     if ( m_backgroundColour.Ok() )
     {
-        GdkColor *bg = m_backgroundColour.GetColor();
+        const GdkColor *bg = m_backgroundColour.GetColor();
 
         style->bg[GTK_STATE_NORMAL] = *bg;
         style->base[GTK_STATE_NORMAL] = *bg;
@@ -4438,12 +3984,18 @@ 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 winThis ? window == winThis
+                   : windowsThis.Index(window) != wxNOT_FOUND;
+}
 
-    return (window == m_widget->window);
+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 )
@@ -4472,7 +4024,7 @@ void wxWindowGTK::DoCaptureMouse()
 
     wxCHECK_RET( window, _T("CaptureMouse() failed") );
 
-    wxCursor* cursor = & m_cursor;
+    const wxCursor* cursor = &m_cursor;
     if (!cursor->Ok())
         cursor = wxSTANDARD_CURSOR;
 
@@ -4520,171 +4072,164 @@ bool wxWindowGTK::IsRetained() const
     return false;
 }
 
-void wxWindowGTK::SetScrollbar( int orient, int pos, int thumbVisible,
-      int range, bool refresh )
+void wxWindowGTK::BlockScrollEvent()
 {
-    wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
+    wxASSERT(!m_blockScrollEvent);
+    m_blockScrollEvent = true;
+}
 
-    wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") );
+void wxWindowGTK::UnblockScrollEvent()
+{
+    wxASSERT(m_blockScrollEvent);
+    m_blockScrollEvent = false;
+}
 
-    m_hasScrolling = true;
+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") );
 
-    if (orient == wxHORIZONTAL)
+    if (range > 0)
     {
-        float fpos = (float)pos;
-        float frange = (float)range;
-        float fthumb = (float)thumbVisible;
-        if (fpos > frange-fthumb) fpos = frange-fthumb;
-        if (fpos < 0.0) fpos = 0.0;
-
-        if ((fabs(frange-m_hAdjust->upper) < 0.2) &&
-            (fabs(fthumb-m_hAdjust->page_size) < 0.2))
-        {
-            SetScrollPos( orient, pos, refresh );
-            return;
-        }
-
-        m_oldHorizontalPos = fpos;
-
-        m_hAdjust->lower = 0.0;
-        m_hAdjust->upper = frange;
-        m_hAdjust->value = fpos;
-        m_hAdjust->step_increment = 1.0;
-        m_hAdjust->page_increment = (float)(wxMax(fthumb,0));
-        m_hAdjust->page_size = fthumb;
+        m_hasScrolling = true;
     }
     else
     {
-        float fpos = (float)pos;
-        float frange = (float)range;
-        float fthumb = (float)thumbVisible;
-        if (fpos > frange-fthumb) fpos = frange-fthumb;
-        if (fpos < 0.0) fpos = 0.0;
-
-        if ((fabs(frange-m_vAdjust->upper) < 0.2) &&
-            (fabs(fthumb-m_vAdjust->page_size) < 0.2))
-        {
-            SetScrollPos( orient, pos, refresh );
-            return;
-        }
-
-        m_oldVerticalPos = fpos;
-
-        m_vAdjust->lower = 0.0;
-        m_vAdjust->upper = frange;
-        m_vAdjust->value = fpos;
-        m_vAdjust->step_increment = 1.0;
-        m_vAdjust->page_increment = (float)(wxMax(fthumb,0));
-        m_vAdjust->page_size = fthumb;
+        // GtkRange requires upper > lower
+        range =
+        thumbVisible = 1;
     }
 
-    if (orient == wxHORIZONTAL)
-        gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "changed" );
-    else
-        gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "changed" );
-}
-
-void wxWindowGTK::GtkUpdateScrollbar(int orient)
-{
-    GtkAdjustment *adj = orient == wxHORIZONTAL ? m_hAdjust : m_vAdjust;
-    GtkSignalFunc fn = orient == wxHORIZONTAL
-                        ? (GtkSignalFunc)gtk_window_hscroll_callback
-                        : (GtkSignalFunc)gtk_window_vscroll_callback;
-
-    gtk_signal_disconnect_by_func(GTK_OBJECT(adj), fn, (gpointer)this);
-    gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
-    gtk_signal_connect(GTK_OBJECT(adj), "value_changed", fn, (gpointer)this);
+    if (pos > range - thumbVisible)
+        pos = range - thumbVisible;
+    if (pos < 0)
+        pos = 0;
+    GtkAdjustment* adj = m_scrollBar[ScrollDirFromOrient(orient)]->adjustment;
+    adj->step_increment = 1;
+    adj->page_increment =
+    adj->page_size = thumbVisible;
+    adj->upper = range;
+    SetScrollPos(orient, pos);
+    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") );
 
-    GtkAdjustment *adj = orient == wxHORIZONTAL ? m_hAdjust : m_vAdjust;
-
-    float fpos = (float)pos;
-    if (fpos > adj->upper - adj->page_size)
-        fpos = adj->upper - adj->page_size;
-    if (fpos < 0.0)
-        fpos = 0.0;
-    *(orient == wxHORIZONTAL ? &m_oldHorizontalPos : &m_oldVerticalPos) = fpos;
-
-    if (fabs(fpos-adj->value) < 0.2)
-        return;
-    adj->value = fpos;
-
-    if ( m_wxwindow->window )
-    {
+    // 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 dir = ScrollDirFromOrient(orient);
+        GtkAdjustment* adj = m_scrollBar[dir]->adjustment;
+        const int max = int(adj->upper - adj->page_size);
+        if (pos > max)
+            pos = max;
+        if (pos < 0)
+            pos = 0;
+        m_scrollPos[dir] =
+        adj->value = pos;
+        // If a "value_changed" signal emission is not already in progress
+        if (!m_blockValueChanged[dir])
+        {
+            gtk_adjustment_value_changed(adj);
+        }
     }
 }
 
-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") );
 
-    if (orient == wxHORIZONTAL)
-        return (int)(m_hAdjust->page_size+0.5);
-    else
-        return (int)(m_vAdjust->page_size+0.5);
+    return int(m_scrollBar[ScrollDirFromOrient(orient)]->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") );
 
-    if (orient == wxHORIZONTAL)
-        return (int)(m_hAdjust->value+0.5);
-    else
-        return (int)(m_vAdjust->value+0.5);
+    return int(m_scrollBar[ScrollDirFromOrient(orient)]->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") );
 
-    if (orient == wxHORIZONTAL)
-        return (int)(m_hAdjust->upper+0.5);
-    else
-        return (int)(m_vAdjust->upper+0.5);
+    return int(m_scrollBar[ScrollDirFromOrient(orient)]->adjustment->upper);
 }
 
-void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
+// Determine if increment is the same as +/-x, allowing for some small
+//   difference due to possible inexactness in floating point arithmetic
+static inline bool IsScrollIncrement(double increment, double x)
 {
-    wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
+    wxASSERT(increment > 0);
+    const double tolerance = 1.0 / 1024;
+    return fabs(increment - fabs(x)) < tolerance;
+}
 
-    wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") );
+wxEventType wxWindowGTK::GetScrollEventType(GtkRange* range)
+{
+    DEBUG_MAIN_THREAD
 
-    // No scrolling requested.
-    if ((dx == 0) && (dy == 0)) return;
+    if (g_isIdle)
+        wxapp_install_idle_handler();
 
-#ifndef __WXGTK20__
-    if (!m_updateRegion.IsEmpty())
-    {
-        m_updateRegion.Offset( dx, dy );
+    wxASSERT(range == m_scrollBar[0] || range == m_scrollBar[1]);
 
-        int cw = 0;
-        int ch = 0;
-        GetClientSize( &cw, &ch );
-        m_updateRegion.Intersect( 0, 0, cw, ch );
+    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
+    m_scrollPos[barIndex] = adj->value;
+    // If event should be ignored, or integral position has not changed
+    if (!m_hasVMT || g_blockEventsOnDrag || value == int(oldPos + 0.5))
+    {
+        return wxEVT_NULL;
     }
 
-    if (!m_clearRegion.IsEmpty())
+    wxEventType eventType = wxEVT_SCROLL_THUMBTRACK;
+    if (!m_isScrolling)
     {
-        m_clearRegion.Offset( dx, dy );
+        // Difference from last change event
+        const double diff = adj->value - oldPos;
+        const bool isDown = diff > 0;
 
-        int cw = 0;
-        int ch = 0;
-        GetClientSize( &cw, &ch );
-        m_clearRegion.Intersect( 0, 0, cw, ch );
+        if (IsScrollIncrement(adj->step_increment, diff))
+        {
+            eventType = isDown ? wxEVT_SCROLL_LINEDOWN : wxEVT_SCROLL_LINEUP;
+        }
+        else if (IsScrollIncrement(adj->page_increment, diff))
+        {
+            eventType = isDown ? wxEVT_SCROLL_PAGEDOWN : wxEVT_SCROLL_PAGEUP;
+        }
+        else if (m_mouseButtonDown)
+        {
+            // Assume track event
+            m_isScrolling = true;
+        }
     }
-#endif
+    return eventType;
+}
+
+void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
+
+    wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") );
+
+    // No scrolling requested.
+    if ((dx == 0) && (dy == 0)) return;
 
     m_clipPaintRegion = true;
 
@@ -4693,6 +4238,29 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
     m_clipPaintRegion = false;
 }
 
+void wxWindowGTK::GtkScrolledWindowSetBorder(GtkWidget* w, int wxstyle)
+{
+    //RN: Note that static controls usually have no border on gtk, so maybe
+    //it makes sense to treat that as simply no border at the wx level
+    //as well...
+    if (!(wxstyle & wxNO_BORDER) && !(wxstyle & wxBORDER_STATIC))
+    {
+        GtkShadowType gtkstyle;
+
+        if(wxstyle & wxBORDER_RAISED)
+            gtkstyle = GTK_SHADOW_OUT;
+        else if (wxstyle & wxBORDER_SUNKEN)
+            gtkstyle = GTK_SHADOW_IN;
+        else if (wxstyle & wxBORDER_DOUBLE)
+            gtkstyle = GTK_SHADOW_ETCHED_IN;
+        else //default
+            gtkstyle = GTK_SHADOW_IN;
+
+        gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(w),
+                                             gtkstyle );
+    }
+}
+
 void wxWindowGTK::SetWindowStyleFlag( long style )
 {
     // Updates the internal variable. NB: Now m_windowStyle bits carry the _new_ style values already
@@ -4749,33 +4317,3 @@ 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_ROOT_PARENT() );
-    // gdk_gc_set_fill( g_eraseGC, GDK_SOLID );
-
-    return true;
-}
-
-void wxWinModule::OnExit()
-{
-    if (g_eraseGC)
-        gdk_gc_unref( g_eraseGC );
-}
-