static VALUE
rg_region_intersect(VALUE self, VALUE region)
{
return BOXED2RVAL(gtk_widget_region_intersect(_SELF(self),
(GdkRegion*)RVAL2BOXED(region, GDK_TYPE_REGION)),
GDK_TYPE_REGION);
}
/*
* Strategy to painting a Widget:
* 1.) do not paint if there is no GtkWidget set
* 2.) We assume that GTK_NO_WINDOW is set and that geometryChanged positioned
* the widget correctly. ATM we do not honor the GraphicsContext translation.
*/
void Widget::paint(GraphicsContext* context, const IntRect&)
{
if (!gtkWidget())
return;
GtkWidget* widget = gtkWidget();
ASSERT(GTK_WIDGET_NO_WINDOW(widget));
GdkEvent* event = gdk_event_new(GDK_EXPOSE);
event->expose = *context->gdkExposeEvent();
event->expose.region = gtk_widget_region_intersect(widget, event->expose.region);
/*
* This will be unref'ed by gdk_event_free.
*/
g_object_ref(event->expose.window);
/*
* If we are going to paint do the translation and GtkAllocation manipulation.
*/
if (!gdk_region_empty(event->expose.region)) {
gdk_region_get_clipbox(event->expose.region, &event->expose.area);
gtk_widget_send_expose(widget, event);
}
gdk_event_free(event);
}
/*
From gtkcontainer.c
*/
void
_container_propagate_expose (GtkContainer *container,
GtkWidget *child,
GdkEventExpose *event)
{
GdkEvent *child_event;
g_return_if_fail (GTK_IS_CONTAINER (container));
g_return_if_fail (GTK_IS_WIDGET (child));
g_return_if_fail (event != NULL);
g_assert (child->parent == GTK_WIDGET (container));
if (GTK_WIDGET_DRAWABLE (child) &&
GTK_WIDGET_NO_WINDOW (child) &&
(child->window == event->window)&&
AWN_IS_CAIRO_MENU_ITEM(child))
{
child_event = gdk_event_new (GDK_EXPOSE);
child_event->expose = *event;
g_object_ref (child_event->expose.window);
child_event->expose.region = gtk_widget_region_intersect (child, event->region);
if (!gdk_region_empty (child_event->expose.region))
{
gdk_region_get_clipbox (child_event->expose.region, &child_event->expose.area);
gtk_widget_send_expose (child, child_event);
}
gdk_event_free (child_event);
}
}
static gint
gtk_form_expose(GtkWidget *widget, GdkEventExpose *event)
{
GList *tmp_list;
GtkForm *form;
g_return_val_if_fail(GTK_IS_FORM(widget), FALSE);
form = GTK_FORM(widget);
if (event->window == form->bin_window)
return FALSE;
for (tmp_list = form->children; tmp_list; tmp_list = tmp_list->next)
{
#ifdef HAVE_GTK2
GtkFormChild *formchild = tmp_list->data;
GtkWidget *child = formchild->widget;
/*
* The following chunk of code is taken from gtkcontainer.c. The
* gtk1.x code synthesized expose events directly on the child widgets,
* which can't be done in gtk2
*/
if (GTK_WIDGET_DRAWABLE(child) && GTK_WIDGET_NO_WINDOW(child)
&& child->window == event->window)
{
GdkEventExpose child_event;
child_event = *event;
child_event.region = gtk_widget_region_intersect(child, event->region);
if (!gdk_region_empty(child_event.region))
{
gdk_region_get_clipbox(child_event.region, &child_event.area);
gtk_widget_send_expose(child, (GdkEvent *)&child_event);
}
}
#else /* !HAVE_GTK2 */
GtkFormChild *child = tmp_list->data;
if (event->window == child->window)
return gtk_widget_event(child->widget, (GdkEvent *) event);
#endif /* !HAVE_GTK2 */
}
return FALSE;
}