]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/window.cpp
Added missing includes for non-precompiled headers.
[wxWidgets.git] / src / gtk / window.cpp
index 310d4a7343e1415aed6ca053c3c40806d8a436f6..6411fca957539f7392571af10dc4856a6b83dee3 100644 (file)
 #include "wx/intl.h"
 #include "wx/settings.h"
 #include "wx/log.h"
+#include "wx/fontutil.h"
 
 #ifdef __WXDEBUG__
     #include "wx/thread.h"
 #endif
 
 #include <math.h>
+#include <ctype.h>
 
 #include "wx/gtk/private.h"
 #include <gdk/gdkprivate.h>
@@ -495,6 +497,14 @@ static int gtk_window_expose_callback( GtkWidget *widget,
     if (g_isIdle)
         wxapp_install_idle_handler();
 
+#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.
+    
+    GtkPizza *pizza = GTK_PIZZA( widget );
+    if (gdk_event->window != pizza->bin_window) return FALSE;
+    
 #if 0
     if (win->GetName())
     {
@@ -508,6 +518,17 @@ static int gtk_window_expose_callback( GtkWidget *widget,
     }
 #endif
 
+    win->GetUpdateRegion() = wxRegion( gdk_event->region );
+
+    win->GtkSendPaintEvents();
+
+    // 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,
@@ -518,15 +539,10 @@ static int gtk_window_expose_callback( GtkWidget *widget,
                                   gdk_event->area.height );
 
     // Actual redrawing takes place in idle time.
-    win->GtkUpdate();
-
-#ifdef __WXGTK20__
-
-    (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, gdk_event);
-
+    // win->GtkUpdate();
 #endif
 
-    return TRUE;
+    return FALSE;
 }
 
 //-----------------------------------------------------------------------------
@@ -611,20 +627,12 @@ static void gtk_window_draw_callback( GtkWidget *widget,
                             (char *)"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);
-    }
 #endif
 
+    win->m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
     win->GetUpdateRegion().Union( rect->x, rect->y, rect->width, rect->height );
 
-    // Actual redrawing takes place in idle time.
-
+    // Update immediately, not in idle time.
     win->GtkUpdate();
 
 #ifndef __WXUNIVERSAL__
@@ -953,7 +961,7 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
 
     KeySym keysym = gdk_event->keyval;
 
-    wxLogTrace(TRACE_KEYS, _T("Key %s event: keysym = %d"),
+    wxLogTrace(TRACE_KEYS, _T("Key %s event: keysym = %ld"),
                event.GetEventType() == wxEVT_KEY_UP ? _T("release")
                                                     : _T("press"),
                keysym);
@@ -1023,7 +1031,7 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
         }
     }
 
-    wxLogTrace(TRACE_KEYS, _T("\t-> wxKeyCode %d"), key_code);
+    wxLogTrace(TRACE_KEYS, _T("\t-> wxKeyCode %ld"), key_code);
 
     // sending unknown key events doesn't really make sense
     if ( !key_code )
@@ -1066,28 +1074,16 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
     if (g_blockEventsOnDrag)
         return FALSE;
 
-    bool ret = FALSE;
-    
-    wxKeyEvent event( wxEVT_CHAR_HOOK );    
+
+    wxKeyEvent event( wxEVT_KEY_DOWN );
     if ( !wxTranslateGTKKeyEventToWx(event, win, gdk_event) )
     {
         // unknown key pressed, ignore (the event would be useless anyhow)
         return FALSE;
     }
 
-    // Implement wxFrame::OnCharHook by checking ancestor.
-    wxWindow *parent = win;
-    while (parent && !parent->IsTopLevel())
-        parent = parent->GetParent();
-    
-    if (parent)
-        ret = parent->GetEventHandler()->ProcessEvent( event );
-
-    if (!ret)
-    {    
-        event.SetEventType(wxEVT_KEY_DOWN);
-        ret = win->GetEventHandler()->ProcessEvent( event );
-    }
+    // Emit KEY_DOWN event
+    bool ret = win->GetEventHandler()->ProcessEvent( event );
 
 #if wxUSE_ACCEL
     if (!ret)
@@ -1109,10 +1105,11 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
     }
 #endif // wxUSE_ACCEL
 
-    /* Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x
-       will only be sent if it is not in an accelerator table. */
+    // Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x
+    // will only be sent if it is not in an accelerator table.
     if (!ret)
     {
+        // Find key code for EVT_CHAR and EVT_CHAR_HOOK events
         KeySym keysym = gdk_event->keyval;
         long key_code = wxTranslateKeySymToWXKey(keysym, TRUE /* isChar */);
         if ( !key_code )
@@ -1132,16 +1129,27 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
         {
             wxLogTrace(TRACE_KEYS, _T("Char event: %ld"), key_code);
 
-            // reuse the same event object, just change its type and use the
-            // translated keycode instead of the raw one
-            event.SetEventType(wxEVT_CHAR);
             event.m_keyCode = key_code;
+            
+            // Implement OnCharHook by checking ancesteror top level windows
+            wxWindow *parent = win;
+            while (parent && !parent->IsTopLevel())
+            parent = parent->GetParent();
+            if (parent)
+            {
+                event.SetEventType( wxEVT_CHAR_HOOK );
+                ret = parent->GetEventHandler()->ProcessEvent( event );
+            }
 
-            ret = win->GetEventHandler()->ProcessEvent( event );
+            if (!ret)
+            {
+                event.SetEventType(wxEVT_CHAR);
+                ret = win->GetEventHandler()->ProcessEvent( event );
+            }
         }
     }
 
-    /* win is a control: tab can be propagated up */
+    // 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
@@ -1154,26 +1162,54 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
     {
         wxNavigationKeyEvent new_event;
         new_event.SetEventObject( win->GetParent() );
-        /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
+        // GDK reports GDK_ISO_Left_Tab for SHIFT-TAB
         new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
-        /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
+        // CTRL-TAB changes the (parent) window, i.e. switch notebook page
         new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
         new_event.SetCurrentFocus( win );
         ret = win->GetParent()->GetEventHandler()->ProcessEvent( new_event );
     }
 
-    /* generate wxID_CANCEL if <esc> has been pressed (typically in dialogs) */
+    // generate wxID_CANCEL if <esc> has been pressed (typically in dialogs)
     if ( !ret &&
          (gdk_event->keyval == GDK_Escape) )
     {
-        wxCommandEvent new_event(wxEVT_COMMAND_BUTTON_CLICKED,wxID_CANCEL);
-        new_event.SetEventObject( win );
-        ret = win->GetEventHandler()->ProcessEvent( new_event );
+        // 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 event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+            event.SetEventObject(btnCancel);
+            ret = btnCancel->GetEventHandler()->ProcessEvent(event);
+        }
     }
 
-    /* Doesn't work. */
-#if 0 // (GTK_MINOR_VERSION > 0)
-    /* Pressing F10 will activate the menu bar of the top frame. */
+    // Doesn't work.
+#if 0 
+    // Pressing F10 will activate the menu bar of the top frame
     if ( (!ret) &&
          (gdk_event->keyval == GDK_F10) )
     {
@@ -1206,7 +1242,7 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
         return TRUE;
     }
-
+    
     return FALSE;
 }
 
@@ -1252,21 +1288,30 @@ static gint gtk_window_key_release_callback( GtkWidget *widget,
 // ----------------------------------------------------------------------------
 
 // init wxMouseEvent with the info from gdk_event
-#define InitMouseEvent(win, event, gdk_event) \
-    { \
-    event.SetTimestamp( gdk_event->time ); \
-    event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK); \
-    event.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK); \
-    event.m_altDown = (gdk_event->state & GDK_MOD1_MASK); \
-    event.m_metaDown = (gdk_event->state & GDK_MOD2_MASK); \
-    event.m_leftDown = (gdk_event->state & GDK_BUTTON1_MASK); \
-    event.m_middleDown = (gdk_event->state & GDK_BUTTON2_MASK); \
-    event.m_rightDown = (gdk_event->state & GDK_BUTTON3_MASK); \
-\
-    wxPoint pt = win->GetClientAreaOrigin(); \
-    event.m_x = (wxCoord)gdk_event->x - pt.x; \
-    event.m_y = (wxCoord)gdk_event->y - pt.y; \
-    }
+//
+// NB: this has to be a macro as gdk_event type is different for different
+//     events we're used with
+#define InitMouseEvent(/* wxWindowGTK * */ win,                               \
+                       /* wxMouseEvent& */ event,                             \
+                       /* GdkEventXXX * */ gdk_event)                         \
+{                                                                             \
+    event.SetTimestamp( gdk_event->time );                                    \
+    event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK);                  \
+    event.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK);              \
+    event.m_altDown = (gdk_event->state & GDK_MOD1_MASK);                     \
+    event.m_metaDown = (gdk_event->state & GDK_MOD2_MASK);                    \
+    event.m_leftDown = (gdk_event->state & GDK_BUTTON1_MASK);                 \
+    event.m_middleDown = (gdk_event->state & GDK_BUTTON2_MASK);               \
+    event.m_rightDown = (gdk_event->state & GDK_BUTTON3_MASK);                \
+                                                                              \
+    wxPoint pt = win->GetClientAreaOrigin();                                  \
+    event.m_x = (wxCoord)gdk_event->x - pt.x;                                 \
+    event.m_y = (wxCoord)gdk_event->y - pt.y;                                 \
+                                                                              \
+    event.SetEventObject( win );                                              \
+    event.SetId( win->GetId() );                                              \
+    event.SetTimestamp( gdk_event->time );                                    \
+}                                                                             \
 
 static void AdjustEventButtonState(wxMouseEvent& event)
 {
@@ -1304,11 +1349,14 @@ static void AdjustEventButtonState(wxMouseEvent& event)
 static
 wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
 {
+    wxCoord xx = x;
+    wxCoord yy = y;
+
     if (win->m_wxwindow)
     {
         GtkPizza *pizza = GTK_PIZZA(win->m_wxwindow);
-        x += pizza->xoffset;
-        y += pizza->yoffset;
+        xx += pizza->xoffset;
+        yy += pizza->yoffset;
     }
 
     wxNode *node = win->GetChildren().First();
@@ -1329,13 +1377,13 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
             int yy2 = child->m_x + child->m_height;
 
             // left
-            if (((x >= xx1) && (x <= xx1+10) && (y >= yy1) && (y <= yy2)) ||
+            if (((xx >= xx1) && (xx <= xx1+10) && (yy >= yy1) && (yy <= yy2)) ||
             // right
-                ((x >= xx2-10) && (x <= xx2) && (y >= yy1) && (y <= yy2)) ||
+                ((xx >= xx2-10) && (xx <= xx2) && (yy >= yy1) && (yy <= yy2)) ||
             // top
-                ((x >= xx1) && (x <= xx2) && (y >= yy1) && (y <= yy1+10)) ||
+                ((xx >= xx1) && (xx <= xx2) && (yy >= yy1) && (yy <= yy1+10)) ||
             // bottom
-                ((x >= xx1) && (x <= xx2) && (y >= yy2-1) && (y <= yy2)))
+                ((xx >= xx1) && (xx <= xx2) && (yy >= yy2-1) && (yy <= yy2)))
             {
                 win = child;
                 x -= child->m_x;
@@ -1347,10 +1395,10 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
         else
         {
             if ((child->m_wxwindow == (GtkWidget*) NULL) &&
-                (child->m_x <= x) &&
-                (child->m_y <= y) &&
-                (child->m_x+child->m_width  >= x) &&
-                (child->m_y+child->m_height >= y))
+                (child->m_x <= xx) &&
+                (child->m_y <= yy) &&
+                (child->m_x+child->m_width  >= xx) &&
+                (child->m_y+child->m_height >= yy))
             {
                 win = child;
                 x -= child->m_x;
@@ -1450,8 +1498,6 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
     if ( !g_captureWindow )
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
 
-    event.SetEventObject( win );
-
     gs_timeLastClick = gdk_event->time;
 
 /*
@@ -1515,8 +1561,6 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto
     if ( !g_captureWindow )
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
 
-    event.SetEventObject( win );
-
     if (win->GetEventHandler()->ProcessEvent( event ))
     {
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "button_release_event" );
@@ -1587,8 +1631,6 @@ static gint gtk_window_motion_notify_callback( GtkWidget *widget,
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
     }
 
-    event.SetEventObject( win );
-
     if (win->GetEventHandler()->ProcessEvent( event ))
     {
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "motion_notify_event" );
@@ -1727,7 +1769,7 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk
         //     always) and makes using Mahogany quite annoying
 #if 0
         wxASSERT_MSG( wxGetTopLevelParent(win) == g_activeFrame,
-                        wxT("unfocusing window that hasn't gained focus properly") )
+                        wxT("unfocusing window that hasn't gained focus properly") );
 #endif // 0
 
         g_activeFrameLostFocus = TRUE;
@@ -1781,7 +1823,10 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk
 // "enter_notify_event"
 //-----------------------------------------------------------------------------
 
-static gint gtk_window_enter_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxWindowGTK *win )
+static
+gint gtk_window_enter_callback( GtkWidget *widget,
+                                GdkEventCrossing *gdk_event,
+                                wxWindowGTK *win )
 {
     DEBUG_MAIN_THREAD
 
@@ -1793,16 +1838,13 @@ static gint gtk_window_enter_callback( GtkWidget *widget, GdkEventCrossing *gdk_
 
     if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
 
-    wxMouseEvent event( wxEVT_ENTER_WINDOW );
-    event.SetTimestamp( gdk_event->time );
-    event.SetEventObject( win );
-
     int x = 0;
     int y = 0;
     GdkModifierType state = (GdkModifierType)0;
 
     gdk_window_get_pointer( widget->window, &x, &y, &state );
 
+    wxMouseEvent event( wxEVT_ENTER_WINDOW );
     InitMouseEvent(win, event, gdk_event);
     wxPoint pt = win->GetClientAreaOrigin();
     event.m_x = x + pt.x;
@@ -1886,7 +1928,9 @@ static void gtk_window_vscroll_callback( GtkAdjustment *adjust,
 
     win->m_oldVerticalPos = adjust->value;
 
+#ifndef __WXGTK20__
     GtkScrolledWindow   *sw = GTK_SCROLLED_WINDOW(win->m_widget);
+#endif
     wxEventType         command = GtkScrollWinTypeToWx(GET_SCROLL_TYPE(sw->vscrollbar));
 
     int value = (int)(adjust->value+0.5);
@@ -1915,7 +1959,9 @@ static void gtk_window_hscroll_callback( GtkAdjustment *adjust,
     float diff = adjust->value - win->m_oldHorizontalPos;
     if (fabs(diff) < 0.2) return;
 
+#ifndef __WXGTK20__
     GtkScrolledWindow   *sw = GTK_SCROLLED_WINDOW(win->m_widget);
+#endif
     wxEventType         command = GtkScrollWinTypeToWx(GET_SCROLL_TYPE(sw->hscrollbar));
 
     win->m_oldHorizontalPos = adjust->value;
@@ -2011,12 +2057,18 @@ wxWindow *wxWindowBase::FindFocus()
 // "destroy" event
 //-----------------------------------------------------------------------------
 
+// VZ: Robert commented the code using out so it generates warnings: should
+//     be either fixed or removed completely
+#if 0
+
 static void gtk_window_destroy_callback( GtkWidget* widget, wxWindow *win )
 {
     wxWindowDestroyEvent event(win);
     win->GetEventHandler()->ProcessEvent(event);
 }
 
+#endif // 0
+
 //-----------------------------------------------------------------------------
 // "realize" from m_widget
 //-----------------------------------------------------------------------------
@@ -2491,17 +2543,17 @@ bool wxWindowGTK::PreCreation( wxWindowGTK *parent, const wxPoint &pos,  const w
 {
     wxCHECK_MSG( !m_needParent || parent, FALSE, wxT("Need complete parent.") );
 
-    /* this turns -1 into 20 so that a minimal window is
-       visible even although -1,-1 has been given as the
-       size of the window. the same trick is used in other
-       ports and should make debugging easier */
-    m_width = WidthDefault(size.x);
+    // This turns -1 into 30 so that a minimal window is
+    // visible even although -1,-1 has been given as the
+    // size of the window. the same trick is used in other
+    // ports and should make debugging easier.
+    m_width = WidthDefault(size.x) ;
     m_height = HeightDefault(size.y);
 
     m_x = (int)pos.x;
     m_y = (int)pos.y;
 
-    /* some reasonable defaults */
+    // some reasonable defaults
     if (!parent)
     {
         if (m_x == -1)
@@ -2632,8 +2684,10 @@ void wxWindowGTK::ConnectWidget( GtkWidget *widget )
     gtk_signal_connect( GTK_OBJECT(widget), "leave_notify_event",
       GTK_SIGNAL_FUNC(gtk_window_leave_callback), (gpointer)this );
       
-    gtk_signal_connect( GTK_OBJECT(widget), "destroy",
-      GTK_SIGNAL_FUNC(gtk_window_destroy_callback), (gpointer)this );
+    // This keeps crashing on me. RR.
+    //
+    // gtk_signal_connect( GTK_OBJECT(widget), "destroy",
+    //  GTK_SIGNAL_FUNC(gtk_window_destroy_callback), (gpointer)this );
 }
 
 bool wxWindowGTK::Destroy()
@@ -2685,16 +2739,14 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
         {
             if (x != -1) m_x = x + pizza->xoffset;
             if (y != -1) m_y = y + pizza->yoffset;
-            if (width != -1) m_width = width;
-            if (height != -1) m_height = height;
         }
         else
         {
             m_x = x + pizza->xoffset;
             m_y = y + pizza->yoffset;
-            m_width = width;
-            m_height = height;
         }
+        if (width != -1) m_width = width;
+        if (height != -1) m_height = height;
 
         if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
         {
@@ -3133,12 +3185,61 @@ void wxWindowGTK::GetTextExtent( const wxString& string,
     if (theFont) fontToUse = *theFont;
 
     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
+    
+    if (string.IsEmpty())
+    {
+        if (x) (*x) = 0;
+        if (y) (*y) = 0;
+        return;
+    }
+#ifdef __WXGTK20__
 
+    PangoContext *context = NULL;
+    if (m_widget)
+        gtk_widget_get_pango_context( m_widget );
+        
+    if (!context)
+    {
+        if (x) (*x) = 0;
+        if (y) (*y) = 0;
+        return;
+    }
+    
+    PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
+    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
+    }
+    PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
+    PangoRectangle rect;
+    pango_layout_line_get_extents(line, NULL, &rect);
+       
+    if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
+    if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
+    if (descent)
+    {
+        // Do something about metrics here
+        (*descent) = 0;
+    }
+    if (externalLeading) (*externalLeading) = 0;  // ??
+    
+    g_object_unref( G_OBJECT( layout ) );
+#else
     GdkFont *font = fontToUse.GetInternalFont( 1.0 );
-    if (x) (*x) = gdk_string_width( font, string.mbc_str() );
+    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
 }
 
 void wxWindowGTK::SetFocus()
@@ -3302,11 +3403,12 @@ void wxWindowGTK::WarpPointer( int x, int y )
         gdk_window_warp_pointer( window, x, y );
 }
 
+
 void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
 {
     if (!m_widget) return;
     if (!m_widget->window) return;
-
+    
 #ifndef __WXGTK20__
     if (g_isIdle)
         wxapp_install_idle_handler();
@@ -3386,27 +3488,31 @@ 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 );
-#endif
-
+#else
     if (!m_updateRegion.IsEmpty())
         GtkSendPaintEvents();
+#endif
 }
 
 void wxWindowGTK::GtkSendPaintEvents()
 {
     if (!m_wxwindow)
     {
+#ifndef __WXGTK20__    
         m_clearRegion.Clear();
+#endif
         m_updateRegion.Clear();
         return;
     }
 
+    // Clip to paint region in wxClientDC
+    m_clipPaintRegion = TRUE;
+
+#ifndef __WXGTK20__
     // widget to draw on
     GtkPizza *pizza = GTK_PIZZA (m_wxwindow);
             
-    // Clip to paint region in wxClientDC
-    m_clipPaintRegion = TRUE;
-    
+    // later for GTK 2.0, too.
     if (GetThemeEnabled())
     {
         // find ancestor from which to steal background
@@ -3438,10 +3544,26 @@ void wxWindowGTK::GtkSendPaintEvents()
         }
     }
     else
-    // if (!m_clearRegion.IsEmpty())   // always send an erase event
+#endif
+
+#ifdef __WXGTK20__
     {
         wxWindowDC dc( (wxWindow*)this );
-        dc.SetClippingRegion( m_clearRegion );
+        dc.SetClippingRegion( m_updateRegion );
+
+        wxEraseEvent erase_event( GetId(), &dc );
+        erase_event.SetEventObject( this );
+
+        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 );
@@ -3465,6 +3587,7 @@ void wxWindowGTK::GtkSendPaintEvents()
         }
         m_clearRegion.Clear();
     }
+#endif
 
     wxNcPaintEvent nc_paint_event( GetId() );
     nc_paint_event.SetEventObject( this );
@@ -3527,6 +3650,7 @@ void wxWindowGTK::Clear()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
 
+#ifndef __WXGTK20__
     if (m_wxwindow && m_wxwindow->window)
     {
         m_clearRegion.Clear();
@@ -3536,6 +3660,7 @@ void wxWindowGTK::Clear()
         // Better do this in idle?
         GtkUpdate();
     }
+#endif
 }
 
 #if wxUSE_TOOLTIPS
@@ -4170,20 +4295,13 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
         GetClientSize( &cw, &ch );
         m_clearRegion.Intersect( 0, 0, cw, ch );
     }
+#endif
+
     m_clipPaintRegion = TRUE;
 
     gtk_pizza_scroll( GTK_PIZZA(m_wxwindow), -dx, -dy );
 
     m_clipPaintRegion = FALSE;
-#else
-
-    gdk_window_scroll( GTK_PIZZA(m_wxwindow)->bin_window, dx, dy );
-
-    GTK_PIZZA(m_wxwindow)->xoffset += dx;
-    GTK_PIZZA(m_wxwindow)->yoffset += dy;
-
-#endif
-
 }