]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk1/window.cpp
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[wxWidgets.git] / src / gtk1 / window.cpp
index cf33026f84f859e9dbb8f0030b72e0324720f8bc..02d5fb9d3563d5e6583c63beb147f27dcd65ab54 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        window.cpp
+// Name:        gtk/window.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
     #pragma implementation "window.h"
 #endif
 
+#ifdef __VMS
+#define XWarpPointer XWARPPOINTER
+#endif
+
 #include "wx/defs.h"
 #include "wx/window.h"
 #include "wx/dc.h"
     #include "wx/tooltip.h"
 #endif
 
+#if wxUSE_CARET
+    #include "wx/caret.h"
+#endif // wxUSE_CARET
+
 #include "wx/menu.h"
 #include "wx/statusbr.h"
 #include "wx/intl.h"
 #include <gtk/gtk.h>
 #include <gdk/gdkprivate.h>
 #include <gdk/gdkkeysyms.h>
-#include <wx/gtk/win_gtk.h>
-
 #include <gdk/gdkx.h>
 
+#include <gtk/gtk.h>
+#include <gtk/gtkprivate.h>
+
+#include "wx/gtk/win_gtk.h"
+
 //-----------------------------------------------------------------------------
 // documentation on internals
 //-----------------------------------------------------------------------------
@@ -208,6 +219,10 @@ extern bool g_mainThreadLocked;
 // debug
 //-----------------------------------------------------------------------------
 
+#ifndef __WXGTK20__
+#define DISABLE_STYLE_IF_BROKEN_THEME 1
+#endif
+
 #ifdef __WXDEBUG__
 
 #if wxUSE_THREADS
@@ -265,11 +280,23 @@ gdk_window_warp_pointer (GdkWindow      *window,
                          gint            x,
                          gint            y)
 {
+#ifndef __WXGTK20__
   GdkWindowPrivate *priv;
+#endif
 
   if (!window)
-    window = (GdkWindow*) &gdk_root_parent;
+    window = GDK_ROOT_PARENT();
 
+#ifdef __WXGTK20__
+  if (!GDK_WINDOW_DESTROYED(window))
+  {
+      XWarpPointer (GDK_WINDOW_XDISPLAY(window),
+                    None,              /* not source window -> move from anywhere */
+                    GDK_WINDOW_XID(window),  /* dest window */
+                    0, 0, 0, 0,        /* not source window -> move from anywhere */
+                    x, y );
+  }
+#else
   priv = (GdkWindowPrivate*) window;
 
   if (!priv->destroyed)
@@ -280,6 +307,7 @@ gdk_window_warp_pointer (GdkWindow      *window,
                     0, 0, 0, 0,        /* not source window -> move from anywhere */
                     x, y );
   }
+#endif
 }
 
 //-----------------------------------------------------------------------------
@@ -293,6 +321,28 @@ extern bool g_isIdle;
 // local code (see below)
 //-----------------------------------------------------------------------------
 
+// returns the child of win which currently has focus or NULL if not found
+static wxWindow *FindFocusedChild(wxWindow *win)
+{
+    wxWindow *winFocus = wxWindow::FindFocus();
+    if ( !winFocus )
+        return (wxWindow *)NULL;
+
+    if ( winFocus == win )
+        return win;
+
+    for ( wxWindowList::Node *node = win->GetChildren().GetFirst();
+          node;
+          node = node->GetNext() )
+    {
+        wxWindow *child = FindFocusedChild(node->GetData());
+        if ( child )
+            return child;
+    }
+
+    return (wxWindow *)NULL;
+}
+
 static void draw_frame( GtkWidget *widget, wxWindow *win )
 {
     if (!win->m_hasVMT)
@@ -304,20 +354,20 @@ static void draw_frame( GtkWidget *widget, wxWindow *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(scroll_window->vscrollbar)->klass )->size_request )
+            (* 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(scroll_window->hscrollbar)->klass )->size_request )
+            (* 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(widget)->klass );
+            GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(widget) );
 
             if (scroll_window->vscrollbar_visible)
             {
@@ -379,10 +429,13 @@ static void draw_frame( GtkWidget *widget, wxWindow *win )
 // "expose_event" of m_widget
 //-----------------------------------------------------------------------------
 
-static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxWindow *win )
+gint gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxWindow *win )
 {
-    if (gdk_event->count > 0) return;
+    if (gdk_event->count > 0) return FALSE;
+    
     draw_frame( widget, win );
+    
+    return TRUE;
 }
 
 //-----------------------------------------------------------------------------
@@ -495,7 +548,7 @@ static long map_to_unmodified_wx_keysym( KeySym keysym )
         case GDK_F12:           key_code = WXK_F12;         break;
         default:
         {
-            if (keysym <= 0xFF)
+            if ((keysym & 0xF000) == 0)
             {
                 guint upper = gdk_keyval_to_upper( (guint)keysym );
                 keysym = (upper != 0 ? upper : keysym ); /* to be MSW compatible */
@@ -594,7 +647,7 @@ static long map_to_wx_keysym( KeySym keysym )
         case GDK_F12:           key_code = WXK_F12;         break;
         default:
         {
-            if (keysym <= 0xFF)
+            if ((keysym & 0xF000) == 0)
             {
                 key_code = (guint)keysym;
             }
@@ -604,74 +657,189 @@ static long map_to_wx_keysym( KeySym keysym )
     return (key_code);
 }
 
+//-----------------------------------------------------------------------------
+// "size_request" of m_widget
+//-----------------------------------------------------------------------------
+
+static void gtk_window_size_request_callback( GtkWidget *widget, GtkRequisition *requisition, wxWindow *win )
+{
+    int w,h;
+    win->GetSize( &w, &h );
+    if (w < 2) w = 2;
+    if (h < 2) h = 2;
+    
+    requisition->height = h;
+    requisition->width = w;
+}
+
 //-----------------------------------------------------------------------------
 // "expose_event" of m_wxwindow
 //-----------------------------------------------------------------------------
 
-static void gtk_window_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxWindow *win )
+static int gtk_window_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxWindow *win )
 {
     DEBUG_MAIN_THREAD
 
-    if (!win->m_hasVMT)
-        return;
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+        
+/*
+    if (win->GetName() == wxT("panel"))
+    {
+        wxPrintf( wxT("OnExpose from ") );
+        if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
+            wxPrintf( win->GetClassInfo()->GetClassName() );
+        wxPrintf( wxT(" %d %d %d %d\n"), (int)gdk_event->area.x,
+                                         (int)gdk_event->area.y,
+                                         (int)gdk_event->area.width,
+                                         (int)gdk_event->area.height );
+    }
+*/
+                                
+    GtkPizza *pizza = GTK_PIZZA (widget);
+
+    if (win->GetThemeEnabled())
+    {
+        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, &gdk_event->area, parent->m_widget, "base", 0, 0, -1, -1);
+    }
+        
     win->GetUpdateRegion().Union( gdk_event->area.x,
                                   gdk_event->area.y,
                                   gdk_event->area.width,
                                   gdk_event->area.height );
 
-/*
-    wxPrintf( "OnExpose from " );
-    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-        wxPrintf( win->GetClassInfo()->GetClassName() );
-    wxPrintf( " %d %d %d %d\n", (int)gdk_event->area.x,
-                                (int)gdk_event->area.y,
-                                (int)gdk_event->area.width,
-                                (int)gdk_event->area.height );
-*/
+    if (gdk_event->count == 0)
+    {
+        win->m_clipPaintRegion = TRUE;
+    
+        wxEraseEvent eevent( win->GetId() );
+        eevent.SetEventObject( win );
+        win->GetEventHandler()->ProcessEvent(eevent);
 
-    if (gdk_event->count > 0)
-        return;
+        wxPaintEvent event( win->GetId() );
+        event.SetEventObject( win );
+        win->GetEventHandler()->ProcessEvent( event );
+        
+        win->GetUpdateRegion().Clear();
+        
+        win->m_clipPaintRegion = FALSE;
+    }
+    
+        /* The following code will result in all window-less widgets
+           being redrawn if the wxWindows class is given a chance to
+           paint *anything* because it will then be allowed to paint
+           over the window-less widgets */
+       
+        GList *children = pizza->children;
+        while (children)
+        {
+            GtkPizzaChild *child = (GtkPizzaChild*) children->data;
+            children = children->next;
 
-    wxEraseEvent eevent( win->GetId() );
-    eevent.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent(eevent);
+            GdkEventExpose child_event = *gdk_event;
 
-    wxPaintEvent event( win->GetId() );
-    event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+            if (GTK_WIDGET_NO_WINDOW (child->widget) &&
+                GTK_WIDGET_DRAWABLE (child->widget) /* &&
+                gtk_widget_intersect (child->widget, &gdk_event->area, &child_event.area)*/ )
+            {
+                child_event.area.x = child->widget->allocation.x;
+                child_event.area.y = child->widget->allocation.y;
+                child_event.area.width = child->widget->allocation.width;
+                child_event.area.height = child->widget->allocation.height;
+                gtk_widget_event (child->widget, (GdkEvent*) &child_event);
+            }
+        }
+        
+    return TRUE;
+}
 
-    win->GetUpdateRegion().Clear();
+//-----------------------------------------------------------------------------
+// "event" of m_wxwindow
+//-----------------------------------------------------------------------------
+
+/* 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. */
+
+gint gtk_window_event_event_callback( GtkWidget *widget, GdkEventExpose *event, wxWindow *win )
+{
+    if (event->type == GDK_EXPOSE)
+    {
+        gint ret = gtk_window_expose_callback( widget, event, win );
+        return ret;
+    }
+
+    return FALSE;
 }
 
 //-----------------------------------------------------------------------------
 // "draw" of m_wxwindow
 //-----------------------------------------------------------------------------
 
-static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget),
-                                      GdkRectangle *rect, wxWindow *win )
+/* This callback is a complete replacement of the gtk_pizza_draw() function,
+   which disabled. */
+
+static void gtk_window_draw_callback( GtkWidget *widget, GdkRectangle *rect, wxWindow *win )
 {
     DEBUG_MAIN_THREAD
 
     if (g_isIdle)
         wxapp_install_idle_handler();
 
-    if (!win->m_hasVMT)
+    if ((win->HasFlag(wxNO_FULL_REPAINT_ON_RESIZE)) &&
+        (win->GetChildren().GetCount() == 0))
+    {
         return;
-
-    win->GetUpdateRegion().Union( rect->x, rect->y,
-                                  rect->width, rect->height );
+    }
 
 /*
-    wxPrintf( "OnDraw from " );
-    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-        printf( win->GetClassInfo()->GetClassName() );
-    wxPrintf( " %d %d %d %d\n", (int)rect->x,
-                                (int)rect->y,
-                                (int)rect->width,
-                                (int)rect->height );
+    if (win->GetName() == wxT("panel"))
+    {
+        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 );
+    }
 */
+   
+    GtkPizza *pizza = GTK_PIZZA (widget);
+
+    if (win->GetThemeEnabled())
+    {
+        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, "base", 0, 0, -1, -1);
+    }
+        
+        
+    if (!(GTK_WIDGET_APP_PAINTABLE (widget)) &&
+         (pizza->clear_on_draw))
+    {
+        gdk_window_clear_area( pizza->bin_window,
+                               rect->x, rect->y, rect->width, rect->height);
+    }
+    
+    win->GetUpdateRegion().Union( rect->x, rect->y, rect->width, rect->height );
 
+    win->m_clipPaintRegion = TRUE;
+    
     wxEraseEvent eevent( win->GetId() );
     eevent.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent(eevent);
@@ -681,6 +849,22 @@ static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget),
     win->GetEventHandler()->ProcessEvent( event );
 
     win->GetUpdateRegion().Clear();
+    
+    win->m_clipPaintRegion = FALSE;
+    
+    
+    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*/ );
+            }
+    }
 }
 
 //-----------------------------------------------------------------------------
@@ -697,13 +881,14 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e
     if (!win->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
 
+
 /*
     wxString tmp;
     tmp += (char)gdk_event->keyval;
     printf( "KeyDown-Code is: %s.\n", tmp.c_str() );
     printf( "KeyDown-ScanCode is: %d.\n", gdk_event->keyval );
 */
-    
+
     int x = 0;
     int y = 0;
     GdkModifierType state;
@@ -741,7 +926,7 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e
                 ret = ancestor->GetEventHandler()->ProcessEvent( command_event );
                 break;
             }
-            if (ancestor->m_isFrame)
+            if (ancestor->IsTopLevel())
                 break;
             ancestor = ancestor->GetParent();
         }
@@ -773,7 +958,12 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e
     /* win is a control: tab can be propagated up */
     if ( (!ret) &&
          ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab)) &&
+// VZ: testing for wxTE_PROCESS_TAB shouldn't be done here the control may
+//     have this style, yet choose not to process this particular TAB in which
+//     case TAB must still work as a navigational character
+#if 0
          (!win->HasFlag(wxTE_PROCESS_TAB)) &&
+#endif // 0
          (win->GetParent()) &&
          (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
     {
@@ -895,6 +1085,42 @@ static gint gtk_window_key_release_callback( GtkWidget *widget, GdkEventKey *gdk
     return FALSE;
 }
 
+// ----------------------------------------------------------------------------
+// mouse event processing helper
+// ----------------------------------------------------------------------------
+
+static void AdjustEventButtonState(wxMouseEvent& event)
+{
+    // GDK reports the old state of the button for a button press event, but
+    // for compatibility with MSW and common sense we want m_leftDown be TRUE
+    // for a LEFT_DOWN event, not FALSE, so we will invert
+    // left/right/middleDown for the corresponding click events
+    
+    if ((event.GetEventType() == wxEVT_LEFT_DOWN) ||
+        (event.GetEventType() == wxEVT_LEFT_DCLICK) ||
+        (event.GetEventType() == wxEVT_LEFT_UP))
+    {
+        event.m_leftDown = !event.m_leftDown;
+        return;
+    }
+
+    if ((event.GetEventType() == wxEVT_MIDDLE_DOWN) ||
+        (event.GetEventType() == wxEVT_MIDDLE_DCLICK) ||
+        (event.GetEventType() == wxEVT_MIDDLE_UP))
+    {
+        event.m_middleDown = !event.m_middleDown;
+        return;
+    }
+
+    if ((event.GetEventType() == wxEVT_RIGHT_DOWN) ||
+        (event.GetEventType() == wxEVT_RIGHT_DCLICK) ||
+        (event.GetEventType() == wxEVT_RIGHT_UP))
+    {
+        event.m_rightDown = !event.m_rightDown;
+        return;
+    }
+}
+
 //-----------------------------------------------------------------------------
 // "button_press_event"
 //-----------------------------------------------------------------------------
@@ -934,7 +1160,7 @@ static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton
         }
     }
 
-    wxEventType event_type = wxEVT_LEFT_DOWN;
+    wxEventType event_type = wxEVT_NULL;
 
     if (gdk_event->button == 1)
     {
@@ -964,6 +1190,12 @@ static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton
         }
     }
 
+    if ( event_type == wxEVT_NULL )
+    {
+        // unknown mouse button or click type
+        return FALSE;
+    }
+
     wxMouseEvent event( event_type );
     event.SetTimestamp( gdk_event->time );
     event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK);
@@ -977,6 +1209,8 @@ static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton
     event.m_x = (wxCoord)gdk_event->x;
     event.m_y = (wxCoord)gdk_event->y;
 
+    AdjustEventButtonState(event);
+
     // Some control don't have their own X window and thus cannot get
     // any events.
 
@@ -1092,6 +1326,7 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto
         case 1: event_type = wxEVT_LEFT_UP; break;
         case 2: event_type = wxEVT_MIDDLE_UP; break;
         case 3: event_type = wxEVT_RIGHT_UP; break;
+        default: return FALSE;
     }
 
     wxMouseEvent event( event_type );
@@ -1106,6 +1341,8 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto
     event.m_x = (wxCoord)gdk_event->x;
     event.m_y = (wxCoord)gdk_event->y;
 
+    AdjustEventButtonState(event);
+
     // Some control don't have their own X window and thus cannot get
     // any events.
 
@@ -1353,6 +1590,15 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(
         gdk_im_begin(win->m_ic, win->m_wxwindow->window);
 #endif
 
+#ifdef wxUSE_CARET
+    // caret needs to be informed about focus change
+    wxCaret *caret = win->GetCaret();
+    if ( caret )
+    {
+        caret->OnSetFocus();
+    }
+#endif // wxUSE_CARET
+
     wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
     event.SetEventObject( win );
 
@@ -1384,6 +1630,10 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED
     // g_sendActivateEvent to -1
     g_sendActivateEvent = 0;
 
+    wxWindow *winFocus = FindFocusedChild(win);
+    if ( winFocus )
+        win = winFocus;
+
     g_focusWindow = (wxWindow *)NULL;
 
 /*
@@ -1398,6 +1648,15 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED
         gdk_im_end();
 #endif
 
+#ifdef wxUSE_CARET
+    // caret needs to be informed about focus change
+    wxCaret *caret = win->GetCaret();
+    if ( caret )
+    {
+        caret->OnKillFocus();
+    }
+#endif // wxUSE_CARET
+
     wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
     event.SetEventObject( win );
 
@@ -1590,6 +1849,7 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
     if (g_isIdle)
         wxapp_install_idle_handler();
 
+
     g_blockEventsOnScroll = TRUE;
     win->m_isScrolling = (gdk_event->window == widget->slider);
 
@@ -1618,7 +1878,7 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *widget,
         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))
         {
@@ -1630,14 +1890,14 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *widget,
             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;
-    
+
     return FALSE;
 }
 
@@ -1675,7 +1935,7 @@ gtk_window_realized_callback( GtkWidget *WXUNUSED(m_widget), wxWindow *win )
     wxWindowCreateEvent event( win );
     event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent( event );
-
+    
     return FALSE;
 }
 
@@ -1690,18 +1950,18 @@ 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 );
     if ((client_width == win->m_oldClientWidth) && (client_height == win->m_oldClientHeight))
         return;
-        
+
     win->m_oldClientWidth = client_width;
     win->m_oldClientHeight = client_height;
-    
+
     if (!win->m_nativeSizeEvent)
     {
         wxSizeEvent event( win->GetSize(), win->GetId() );
@@ -1726,7 +1986,7 @@ void gtk_wxwindow_size_callback( GtkWidget* WXUNUSED_UNLESS_XIM(widget),
 {
     if (g_isIdle)
         wxapp_install_idle_handler();
-        
+
 #ifdef HAVE_XIM
     if (!win->m_ic)
         return;
@@ -1763,7 +2023,7 @@ gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
 
     win->m_icattr = gdk_ic_attr_new();
     if (!win->m_icattr) return FALSE;
-    
+
     gint width, height;
     GdkEventMask mask;
     GdkColormap *colormap;
@@ -1786,10 +2046,10 @@ gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
     if ((colormap = gtk_widget_get_colormap (widget)) !=
            gtk_widget_get_default_colormap ())
     {
-       attrmask |= GDK_IC_PREEDIT_COLORMAP;
-       attr->preedit_colormap = colormap;
+           attrmask |= GDK_IC_PREEDIT_COLORMAP;
+           attr->preedit_colormap = colormap;
     }
-    
+
     attrmask |= GDK_IC_PREEDIT_FOREGROUND;
     attrmask |= GDK_IC_PREEDIT_BACKGROUND;
     attr->preedit_foreground = widget->style->fg[GTK_STATE_NORMAL];
@@ -1817,9 +2077,9 @@ gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
 
          break;
     }
-       
+
       win->m_ic = gdk_ic_new (attr, (GdkICAttributesType)attrmask);
-     
+
       if (win->m_ic == NULL)
        g_warning ("Can't create input context.");
       else
@@ -1919,8 +2179,13 @@ void wxWindow::Init()
     m_isFrame = FALSE;
     m_acceptsFocus = FALSE;
 
+    m_clipPaintRegion = FALSE;
+
     m_cursor = *wxSTANDARD_CURSOR;
-    
+
+    m_delayedForegroundColour = FALSE;
+    m_delayedBackgroundColour = FALSE;
+        
 #ifdef HAVE_XIM
     m_ic = (GdkIC*) NULL;
     m_icattr = (GdkICAttr*) NULL;
@@ -1953,22 +2218,13 @@ bool wxWindow::Create( wxWindow *parent, wxWindowID id,
     }
 
     m_insertCallback = wxInsertChildInWindow;
-
+    
     m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 
-#ifdef __WXDEBUG__
-    debug_focus_in( m_widget, wxT("wxWindow::m_widget"), name );
-#endif
-
     GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget);
 
-#ifdef __WXDEBUG__
-    debug_focus_in( scrolledWindow->hscrollbar, wxT("wxWindow::hsrcollbar"), name );
-    debug_focus_in( scrolledWindow->vscrollbar, wxT("wxWindow::vsrcollbar"), name );
-#endif
-
-    GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT(m_widget)->klass );
+    GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) );
     scroll_class->scrollbar_spacing = 0;
 
     gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
@@ -1978,10 +2234,6 @@ bool wxWindow::Create( wxWindow *parent, wxWindowID id,
 
     m_wxwindow = gtk_pizza_new();
 
-#ifdef __WXDEBUG__
-    debug_focus_in( m_wxwindow, wxT("wxWindow::m_wxwindow"), name );
-#endif
-
     gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
 
 #if (GTK_MINOR_VERSION > 0)
@@ -2084,6 +2336,9 @@ bool wxWindow::Create( wxWindow *parent, wxWindowID id,
 
 wxWindow::~wxWindow()
 {
+    if (g_focusWindow == this)
+        g_focusWindow = NULL;
+
     m_isBeingDeleted = TRUE;
     m_hasVMT = FALSE;
 
@@ -2104,7 +2359,11 @@ wxWindow::~wxWindow()
 
     if (m_widgetStyle)
     {
-        gtk_style_unref( m_widgetStyle );
+#if DISABLE_STYLE_IF_BROKEN_THEME
+        // don't delete if it's a pixmap theme style
+        if (!m_widgetStyle->engine_data)
+            gtk_style_unref( m_widgetStyle );
+#endif            
         m_widgetStyle = (GtkStyle*) NULL;
     }
 
@@ -2162,11 +2421,20 @@ void wxWindow::PostCreation()
         if (!m_noExpose)
         {
             /* these get reported to wxWindows -> wxPaintEvent */
+            
+            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 );
 
             gtk_signal_connect( GTK_OBJECT(m_wxwindow), "draw",
                 GTK_SIGNAL_FUNC(gtk_window_draw_callback), (gpointer)this );
+
+            if (HasFlag(wxNO_FULL_REPAINT_ON_RESIZE))
+            {
+                gtk_signal_connect( GTK_OBJECT(m_wxwindow), "event",
+                    GTK_SIGNAL_FUNC(gtk_window_event_event_callback), (gpointer)this );
+            }
         }
 
 #if (GTK_MINOR_VERSION > 0)
@@ -2191,7 +2459,7 @@ void wxWindow::PostCreation()
     {
         // For dialogs and frames, we are interested mainly in
        // m_widget's focus.
-       
+
         gtk_signal_connect( GTK_OBJECT(m_widget), "focus_in_event",
             GTK_SIGNAL_FUNC(gtk_window_focus_in_callback), (gpointer)this );
 
@@ -2207,22 +2475,33 @@ void wxWindow::PostCreation()
        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 );
+
     if (m_wxwindow)
     {
-        /* Catch native resize events. */
+        // Catch native resize events
         gtk_signal_connect( GTK_OBJECT(m_wxwindow), "size_allocate",
                             GTK_SIGNAL_FUNC(gtk_window_size_callback), (gpointer)this );
-                            
-        /* Initialize XIM support. */
+
+        // Initialize XIM support
         gtk_signal_connect( GTK_OBJECT(m_wxwindow), "realize",
                             GTK_SIGNAL_FUNC(gtk_wxwindow_realized_callback), (gpointer) this );
 
-        /* And resize XIM window. */
+        // And resize XIM window
         gtk_signal_connect( GTK_OBJECT(m_wxwindow), "size_allocate",
                             GTK_SIGNAL_FUNC(gtk_wxwindow_size_callback), (gpointer)this );
     }
-    
+
+    if (!GTK_IS_COMBO(m_widget))
+    {
+        // This is needed if we want to add our windows into native
+        // GTK control, 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. FIXME
+        // when moving to GTK 2.0.
+        gtk_signal_connect( GTK_OBJECT(m_widget), "size_request",
+                            GTK_SIGNAL_FUNC(gtk_window_size_request_callback), (gpointer) this );
+    }
+                           
     m_hasVMT = TRUE;
 }
 
@@ -2263,7 +2542,7 @@ void wxWindow::DoMoveWindow(int x, int y, int width, int height)
 {
     gtk_pizza_set_size( GTK_PIZZA(m_parent->m_wxwindow), m_widget, x, y, width, height );
 }
-    
+
 void wxWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 {
     wxASSERT_MSG( (m_widget != NULL), wxT("invalid window") );
@@ -2271,7 +2550,7 @@ void wxWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 
     if (m_resizing) return; /* I don't like recursions */
     m_resizing = TRUE;
-
+    
     if (m_parent->m_wxwindow == NULL) /* i.e. wxNotebook */
     {
         /* don't set the size for children of wxNotebook, just take the values. */
@@ -2332,6 +2611,12 @@ void wxWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 
     if (m_hasScrolling)
     {
+        /* Sometimes the client area changes size without the 
+           whole windows's size changing, but if the whole
+           windows's size doesn't change, no wxSizeEvent will
+           normally be sent. Here we add an extra test if
+           the client test has been changed and this will
+           be used then. */
         GetClientSize( &m_oldClientWidth, &m_oldClientHeight );
     }
 
@@ -2441,20 +2726,20 @@ void wxWindow::DoSetClientSize( int width, int height )
         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(scroll_window->vscrollbar)->klass )->size_request )
+            (* 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(scroll_window->hscrollbar)->klass )->size_request )
+            (* 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(m_widget)->klass );
+            GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) );
 
             if (scroll_window->vscrollbar_visible)
             {
@@ -2503,20 +2788,20 @@ void wxWindow::DoGetClientSize( int *width, int *height ) const
         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(scroll_window->vscrollbar)->klass )->size_request )
+            (* 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(scroll_window->hscrollbar)->klass )->size_request )
+            (* 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(m_widget)->klass );
+            GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) );
 
             if (scroll_window->vscrollbar_visible)
             {
@@ -2690,7 +2975,7 @@ void wxWindow::GetTextExtent( const wxString& string,
 void wxWindow::SetFocus()
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
-    
+
     if (m_wxwindow)
     {
         if (!GTK_WIDGET_HAS_FOCUS (m_wxwindow))
@@ -2793,7 +3078,16 @@ bool wxWindow::SetCursor( const wxCursor &cursor )
 {
     wxCHECK_MSG( (m_widget != NULL), FALSE, wxT("invalid window") );
 
-    return wxWindowBase::SetCursor( cursor );
+    if (cursor == m_cursor)
+       return FALSE;
+
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+        
+    if (cursor == wxNullCursor)
+       return wxWindowBase::SetCursor( *wxSTANDARD_CURSOR );
+    else
+       return wxWindowBase::SetCursor( cursor );
 }
 
 void wxWindow::WarpPointer( int x, int y )
@@ -2839,37 +3133,69 @@ void wxWindow::Refresh( bool eraseBackground, const wxRect *rect )
     {
         if (m_wxwindow)
         {
+
+/*
             GtkPizza *pizza = GTK_PIZZA(m_wxwindow);
             gboolean old_clear = pizza->clear_on_draw;
             gtk_pizza_set_clear( pizza, FALSE );
-
             gtk_widget_draw( m_wxwindow, (GdkRectangle*) NULL );
-
             gtk_pizza_set_clear( pizza, old_clear );
+*/
+            GdkEventExpose gdk_event;
+            gdk_event.type = GDK_EXPOSE;
+            gdk_event.window = GTK_PIZZA(m_wxwindow)->bin_window;
+            gdk_event.count = 0;
+            gdk_event.area.x = 0;
+            gdk_event.area.y = 0;
+            gdk_event.area.width = m_wxwindow->allocation.width;
+            gdk_event.area.height = m_wxwindow->allocation.height;
+            gtk_window_expose_callback( m_wxwindow, &gdk_event, this );
+
         }
         else
+        {
             gtk_widget_draw( m_widget, (GdkRectangle*) NULL );
+        }
     }
     else
     {
-        GdkRectangle gdk_rect;
-        gdk_rect.x = rect->x;
-        gdk_rect.y = rect->y;
-        gdk_rect.width = rect->width;
-        gdk_rect.height = rect->height;
 
         if (m_wxwindow)
         {
+/*
             GtkPizza *pizza = GTK_PIZZA(m_wxwindow);
             gboolean old_clear = pizza->clear_on_draw;
             gtk_pizza_set_clear( pizza, FALSE );
 
+            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_wxwindow, &gdk_rect );
+            gtk_window_draw_callback( m_wxwindow, &gdk_rect, this );
 
             gtk_pizza_set_clear( pizza, old_clear );
+*/
+            GdkEventExpose gdk_event;
+            gdk_event.type = GDK_EXPOSE;
+            gdk_event.window = GTK_PIZZA(m_wxwindow)->bin_window;
+            gdk_event.count = 0;
+            gdk_event.area.x = rect->x;
+            gdk_event.area.y = rect->y;
+            gdk_event.area.width = rect->width;
+            gdk_event.area.height = rect->height;
+            gtk_window_expose_callback( m_wxwindow, &gdk_event, this );
         }
         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 );
+        }
     }
 }
 
@@ -2881,7 +3207,7 @@ void wxWindow::Clear()
 
     if (m_wxwindow && m_wxwindow->window)
     {
-        gdk_window_clear( m_wxwindow->window );
+//        gdk_window_clear( m_wxwindow->window );
     }
 }
 
@@ -2976,8 +3302,13 @@ GtkStyle *wxWindow::GetWidgetStyle()
     if (m_widgetStyle)
     {
         GtkStyle *remake = gtk_style_copy( m_widgetStyle );
+#ifdef __WXGTK20__
+        /* FIXME: is this necessary? */
+        _G_TYPE_IGC(remake, GtkObjectClass) = _G_TYPE_IGC(m_widgetStyle, GtkObjectClass);
+#else
         remake->klass = m_widgetStyle->klass;
-        
+#endif
+
         gtk_style_unref( m_widgetStyle );
         m_widgetStyle = remake;
     }
@@ -2989,7 +3320,12 @@ GtkStyle *wxWindow::GetWidgetStyle()
             def = gtk_widget_get_default_style();
 
         m_widgetStyle = gtk_style_copy( def );
+#ifdef __WXGTK20__
+        /* FIXME: is this necessary? */
+        _G_TYPE_IGC(m_widgetStyle, GtkObjectClass) = _G_TYPE_IGC(def, GtkObjectClass);
+#else
         m_widgetStyle->klass = def->klass;
+#endif
     }
 
     return m_widgetStyle;
@@ -2997,6 +3333,20 @@ GtkStyle *wxWindow::GetWidgetStyle()
 
 void wxWindow::SetWidgetStyle()
 {
+#if DISABLE_STYLE_IF_BROKEN_THEM
+    if (m_widget->style->engine_data)
+    {
+        static bool s_warningPrinted = FALSE;
+        if (!s_warningPrinted)
+        {
+            printf( "wxWindows warning: Widget styles disabled due to buggy GTK theme.\n" );
+            s_warningPrinted = TRUE;
+        }
+        m_widgetStyle = m_widget->style;
+        return;
+    }
+#endif
+
     GtkStyle *style = GetWidgetStyle();
 
     if (m_font != wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ))
@@ -3014,6 +3364,21 @@ void wxWindow::SetWidgetStyle()
             style->fg[GTK_STATE_PRELIGHT] = *m_foregroundColour.GetColor();
             style->fg[GTK_STATE_ACTIVE] = *m_foregroundColour.GetColor();
         }
+       else
+        {
+            // Try to restore the gtk default style.  This is still a little
+            // oversimplified for what is probably really needed here for controls
+            // other than buttons, but is better than not being able to (re)set a
+            // control's foreground colour to *wxBLACK -- RL
+            GtkStyle *def = gtk_rc_get_style( m_widget );
+
+            if (!def)
+                def = gtk_widget_get_default_style();
+
+            style->fg[GTK_STATE_NORMAL] = def->fg[GTK_STATE_NORMAL];
+            style->fg[GTK_STATE_PRELIGHT] = def->fg[GTK_STATE_PRELIGHT];
+            style->fg[GTK_STATE_ACTIVE] = def->fg[GTK_STATE_ACTIVE];
+        }
     }
 
     if (m_backgroundColour.Ok())
@@ -3029,7 +3394,29 @@ void wxWindow::SetWidgetStyle()
             style->base[GTK_STATE_ACTIVE] = *m_backgroundColour.GetColor();
             style->bg[GTK_STATE_INSENSITIVE] = *m_backgroundColour.GetColor();
             style->base[GTK_STATE_INSENSITIVE] = *m_backgroundColour.GetColor();
-       }
+        }
+        else
+        {
+            // Try to restore the gtk default style.  This is still a little
+            // oversimplified for what is probably really needed here for controls
+            // other than buttons, but is better than not being able to (re)set a
+            // control's background colour to default grey and means resetting a
+           // button to wxSYS_COLOUR_BTNFACE will restore its usual highlighting
+            // behavior -- RL
+            GtkStyle *def = gtk_rc_get_style( m_widget );
+
+            if (!def)
+                def = gtk_widget_get_default_style();
+
+            style->bg[GTK_STATE_NORMAL] = def->bg[GTK_STATE_NORMAL];
+            style->base[GTK_STATE_NORMAL] = def->base[GTK_STATE_NORMAL];
+            style->bg[GTK_STATE_PRELIGHT] = def->bg[GTK_STATE_PRELIGHT];
+            style->base[GTK_STATE_PRELIGHT] = def->base[GTK_STATE_PRELIGHT];
+            style->bg[GTK_STATE_ACTIVE] = def->bg[GTK_STATE_ACTIVE];
+            style->base[GTK_STATE_ACTIVE] = def->base[GTK_STATE_ACTIVE];
+            style->bg[GTK_STATE_INSENSITIVE] = def->bg[GTK_STATE_INSENSITIVE];
+            style->base[GTK_STATE_INSENSITIVE] = def->base[GTK_STATE_INSENSITIVE];
+        }
     }
 }
 
@@ -3183,6 +3570,10 @@ void wxWindow::CaptureMouse()
 
     if (!window) return;
 
+    wxCursor* cursor = & m_cursor;
+    if (!cursor->Ok())
+        cursor = wxSTANDARD_CURSOR;
+
     gdk_pointer_grab( window, FALSE,
                       (GdkEventMask)
                          (GDK_BUTTON_PRESS_MASK |
@@ -3190,7 +3581,7 @@ void wxWindow::CaptureMouse()
                           GDK_POINTER_MOTION_HINT_MASK |
                           GDK_POINTER_MOTION_MASK),
                       (GdkWindow *) NULL,
-                      m_cursor.GetCursor(),
+                      cursor->GetCursor(),
                       (guint32)GDK_CURRENT_TIME );
     g_captureWindow = this;
 }
@@ -3316,9 +3707,9 @@ void wxWindow::SetScrollPos( int orient, int pos, bool WXUNUSED(refresh) )
         {
             gtk_signal_disconnect_by_func( GTK_OBJECT(m_hAdjust),
                 (GtkSignalFunc) gtk_window_hscroll_callback, (gpointer) this );
-                
+
             gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "value_changed" );
-            
+
             gtk_signal_connect( GTK_OBJECT(m_hAdjust), "value_changed",
                 (GtkSignalFunc) gtk_window_hscroll_callback, (gpointer) this );
         }
@@ -3326,7 +3717,7 @@ void wxWindow::SetScrollPos( int orient, int pos, bool WXUNUSED(refresh) )
         {
             gtk_signal_disconnect_by_func( GTK_OBJECT(m_vAdjust),
                 (GtkSignalFunc) gtk_window_vscroll_callback, (gpointer) this );
-        
+
             gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "value_changed" );
 
             gtk_signal_connect( GTK_OBJECT(m_vAdjust), "value_changed",
@@ -3376,62 +3767,104 @@ void wxWindow::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") );
+    
+    if ((dx == 0) && (dy == 0)) return;
 
-/*
-    printf( "ScrollWindow: %d %d\n", dx, dy );
-*/
-
+    m_clipPaintRegion = TRUE;
     gtk_pizza_scroll( GTK_PIZZA(m_wxwindow), -dx, -dy );
-
-/*
-    if (!m_scrollGC)
+    m_clipPaintRegion = FALSE;
+    
+/*    
+    if (m_children.GetCount() > 0)
     {
-        m_scrollGC = gdk_gc_new( m_wxwindow->window );
-        gdk_gc_set_exposures( m_scrollGC, TRUE );
+        gtk_pizza_scroll( GTK_PIZZA(m_wxwindow), -dx, -dy );
     }
-
-    wxNode *node = m_children.First();
-    while (node)
+    else
     {
-        wxWindow *child = (wxWindow*) node->Data();
-        int sx = 0;
-        int sy = 0;
-        child->GetSize( &sx, &sy );
-        child->SetSize( child->m_x + dx, child->m_y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
-        node = node->Next();
-    }
+        GtkPizza *pizza = GTK_PIZZA(m_wxwindow);
+    
+        pizza->xoffset -= dx;
+        pizza->yoffset -= dy;
+        
+        GdkGC *m_scrollGC = gdk_gc_new( pizza->bin_window );
+        gdk_gc_set_exposures( m_scrollGC, TRUE );
 
-    int cw = 0;
-    int ch = 0;
-    GetClientSize( &cw, &ch );
-    int w = cw - abs(dx);
-    int h = ch - abs(dy);
+        int cw = 0;
+        int ch = 0;
+        GetClientSize( &cw, &ch );
+        int w = cw - abs(dx);
+        int h = ch - abs(dy);
 
-    if ((h < 0) || (w < 0))
-    {
-        Refresh();
+        if ((h < 0) || (w < 0))
+        {
+            Refresh();
+        } 
+        else
+        {
+            int s_x = 0;
+            int s_y = 0;
+            if (dx < 0) s_x = -dx;
+            if (dy < 0) s_y = -dy;
+            int d_x = 0;
+            int d_y = 0;
+            if (dx > 0) d_x = dx;
+            if (dy > 0) d_y = dy;
+
+            gdk_window_copy_area( pizza->bin_window, m_scrollGC, d_x, d_y,
+                pizza->bin_window, s_x, s_y, w, h );
+
+            wxRect rect;
+            if (dx < 0) rect.x = cw+dx; else rect.x = 0;
+            if (dy < 0) rect.y = ch+dy; else rect.y = 0;
+            if (dy != 0) rect.width = cw; else rect.width = abs(dx);
+            if (dx != 0) rect.height = ch; else rect.height = abs(dy);
+
+            Refresh( TRUE, &rect );
+        }
+        
+        gdk_gc_unref( m_scrollGC );
     }
-    else
-    {
-        int s_x = 0;
-        int s_y = 0;
-        if (dx < 0) s_x = -dx;
-        if (dy < 0) s_y = -dy;
-        int d_x = 0;
-        int d_y = 0;
-        if (dx > 0) d_x = dx;
-        if (dy > 0) d_y = dy;
+*/
+}
+
+// Find the wxWindow at the current mouse position, also returning the mouse
+// position.
+wxWindow* wxFindWindowAtPointer(wxPoint& pt)
+{
+    pt = wxGetMousePosition();
+    wxWindow* found = wxFindWindowAtPoint(pt);
+    return found;
+}
 
-        gdk_window_copy_area( m_wxwindow->window, m_scrollGC, d_x, d_y,
-            m_wxwindow->window, s_x, s_y, w, h );
+// Get the current mouse position.
+wxPoint wxGetMousePosition()
+{
+  /* This crashes when used within wxHelpContext,
+     so we have to use the X-specific implementation below.
+    gint x, y;
+    GdkModifierType *mask;
+    (void) gdk_window_get_pointer(NULL, &x, &y, mask);
 
-        wxRect rect;
-        if (dx < 0) rect.x = cw+dx; else rect.x = 0;
-        if (dy < 0) rect.y = ch+dy; else rect.y = 0;
-        if (dy != 0) rect.width = cw; else rect.width = abs(dx);
-        if (dx != 0) rect.height = ch; else rect.height = abs(dy);
+    return wxPoint(x, y);
+  */
+
+    int x, y;
+    GdkWindow* windowAtPtr = gdk_window_at_pointer(& x, & y);
+    if (!windowAtPtr)
+      return wxPoint(-999, -999);
+
+    Display *display = GDK_WINDOW_XDISPLAY(windowAtPtr);
+    Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
+    Window rootReturn, childReturn;
+    int rootX, rootY, winX, winY;
+    unsigned int maskReturn;
+
+    XQueryPointer (display,
+                  rootWindow,
+                  &rootReturn,
+                   &childReturn,
+                   &rootX, &rootY, &winX, &winY, &maskReturn);
+    return wxPoint(rootX, rootY);
 
-        Refresh( TRUE, &rect );
-    }
-*/
 }
+