- GtkPizza *pizza = GTK_PIZZA(m_wxwindow);
- gboolean old_clear = pizza->clear_on_draw;
- gtk_pizza_set_clear( pizza, FALSE );
+ // Schedule for later Updating in ::Update() or ::OnInternalIdle().
+ m_updateRegion.Clear();
+ m_updateRegion.Union( 0, 0, m_wxwindow->allocation.width, m_wxwindow->allocation.height );
+ }
+ else
+ {
+ gtk_widget_draw( m_widget, (GdkRectangle*) NULL );
+ }
+ }
+}
+
+void wxWindowGTK::Update()
+{
+ if (!m_updateRegion.IsEmpty())
+ {
+ GtkSendPaintEvents();
+ }
+}
+
+void wxWindowGTK::GtkSendPaintEvents()
+{
+ if (!m_wxwindow)
+ {
+ m_clearRegion.Clear();
+ m_updateRegion.Clear();
+ return;
+ }
+
+ m_clipPaintRegion = TRUE;
+
+ // if (!m_clearRegion.IsEmpty()) // always send an erase event
+ {
+ wxWindowDC dc( (wxWindow*)this );
+ dc.SetClippingRegion( m_clearRegion );
+
+ wxEraseEvent erase_event( GetId(), &dc );
+ erase_event.SetEventObject( this );
+
+ if (!GetEventHandler()->ProcessEvent(erase_event))
+ {
+ wxRegionIterator upd( m_clearRegion );
+ while (upd)
+ {
+ gdk_window_clear_area( GTK_PIZZA(m_wxwindow)->bin_window,
+ upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
+ upd ++;
+ }
+ }
+ m_clearRegion.Clear();
+ }
+
+ wxNcPaintEvent nc_paint_event( GetId() );
+ nc_paint_event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( nc_paint_event );