if (gdk_event->count == 0)
win->GtkSendPaintEvents();
- // 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;
-
- GdkEventExpose child_event = *gdk_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;
}
{
wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
- /* we provide this function ourselves as it is
- missing in GDK (top of this file) */
+ // We provide this function ourselves as it is
+ // missing in GDK (top of this file).
GdkWindow *window = (GdkWindow*) NULL;
if (m_wxwindow)
{
if (rect)
{
- gdk_window_clear_area( GTK_PIZZA(m_wxwindow)->bin_window,
- rect->x, rect->y,
- rect->width, rect->height );
+ // Schedule for later Updating in ::Update() or ::OnInternalIdle().
+ m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
}
else
{
- gdk_window_clear( GTK_PIZZA(m_wxwindow)->bin_window );
+ // Schedule for later Updating in ::Update() or ::OnInternalIdle().
+ m_clearRegion.Clear();
+ m_clearRegion.Union( 0, 0, m_wxwindow->allocation.width, m_wxwindow->allocation.height );
}
}
- /* there is no GTK equivalent of "draw only, don't clear" so we
- invent our own in the GtkPizza widget */
-
- if (!rect)
+ if (rect)
{
if (m_wxwindow)
{
-#if 0
- 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 );
-#endif
-
-#if 1
// Schedule for later Updating in ::Update() or ::OnInternalIdle().
- m_updateRegion.Union( 0, 0, m_wxwindow->allocation.width, m_wxwindow->allocation.height );
-#else
- 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, (wxWindow *)this );
-#endif
+ m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
}
else
{
- gtk_widget_draw( m_widget, (GdkRectangle*) NULL );
+ 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)
{
-#if 0
- 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 );
-#endif
-
-#if 1
// Schedule for later Updating in ::Update() or ::OnInternalIdle().
- m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
-#else
- 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, (wxWindow *)this );
-#endif
+ m_updateRegion.Clear();
+ m_updateRegion.Union( 0, 0, m_wxwindow->allocation.width, m_wxwindow->allocation.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 );
+ gtk_widget_draw( m_widget, (GdkRectangle*) NULL );
}
}
}
void wxWindowGTK::GtkSendPaintEvents()
{
- m_clipPaintRegion = TRUE;
+ if (!m_wxwindow)
+ {
+ m_clearRegion.Clear();
+ m_updateRegion.Clear();
+ return;
+ }
- wxWindowDC dc( this );
- dc.SetClippingRegion( m_updateRegion );
- wxEraseEvent erase_event( GetId(), &dc );
- erase_event.SetEventObject( this );
+ m_clipPaintRegion = TRUE;
-#if 1
- GetEventHandler()->ProcessEvent( erase_event );
-#else
- if (!GetEventHandler()->ProcessEvent(erase_event))
+ if (!m_clearRegion.IsEmpty())
{
+ wxWindowDC dc( (wxWindow*)this );
+ dc.SetClippingRegion( m_clearRegion );
+
+ wxEraseEvent erase_event( GetId(), &dc );
+ erase_event.SetEventObject( this );
+
if (!GetEventHandler()->ProcessEvent(erase_event))
{
- wxClientDC dc( this );
- dc.SetBrush( wxBrush( GetBackgroundColour(), wxSOLID ) );
- dc.SetPen( *wxTRANSPARENT_PEN );
-
- wxRegionIterator upd( m_updateRegion );
+ wxRegionIterator upd( m_clearRegion );
while (upd)
{
- dc.DrawRectangle( upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
+ gdk_window_clear_area( GTK_PIZZA(m_wxwindow)->bin_window,
+ upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
upd ++;
}
}
+ m_clearRegion.Clear();
}
-#endif
wxNcPaintEvent nc_paint_event( GetId() );
nc_paint_event.SetEventObject( this );
paint_event.SetEventObject( this );
GetEventHandler()->ProcessEvent( paint_event );
- m_updateRegion.Clear();
-
m_clipPaintRegion = FALSE;
+
+ GtkPizza *pizza = GTK_PIZZA(m_wxwindow);
+ if (g_list_length(pizza->children) > 0)
+ {
+ // The following code will result in all window-less widgets
+ // being redrawn because the wxWindows 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 );
+ region.Intersect( child->widget->allocation.x,
+ child->widget->allocation.y,
+ child->widget->allocation.width,
+ child->widget->allocation.height );
+
+ // Redraw the whole widget anyway
+ if (!region.IsEmpty())
+ gtk_widget_draw( child->widget, NULL );
+ }
+ }
+ }
+
+ m_updateRegion.Clear();
}
void wxWindowGTK::Clear()
m_updateRegion.Intersect( 0, 0, cw, ch );
}
+ if (!m_clearRegion.IsEmpty())
+ {
+ m_clearRegion.Offset( dx, dy );
+
+ int cw = 0;
+ int ch = 0;
+ GetClientSize( &cw, &ch );
+ m_clearRegion.Intersect( 0, 0, cw, ch );
+ }
+
#if 1
m_clipPaintRegion = TRUE;
projects / wxWidgets.git / blobdiff