/*
* 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;
}
inline void
inline_limited_expose (HildonColorChooser *sel)
{
GTimeVal curr_time, result;
GdkEventExpose event;
HildonColorChooserPrivate *priv;
if (! GTK_WIDGET_REALIZED (GTK_WIDGET (sel))) {
return;
}
priv = HILDON_COLOR_CHOOSER_GET_PRIVATE (sel);
g_assert (priv);
if(priv->currhue == priv->expose_info.last_expose_hue) {
return; /* no need to redraw */
}
priv->expose_info.last_expose_hue = priv->currhue;
g_get_current_time (&curr_time);
inline_sub_times (&result, &curr_time, &priv->expose_info.last_expose_time);
if(result.tv_sec != 0 || result.tv_usec >= EXPOSE_INTERVAL) {
priv->expose_info.expose_queued = 1;
event.type = GDK_EXPOSE;
event.area.width = 0;
event.area.height = 0;
event.window = GTK_WIDGET(sel)->window;
gtk_widget_send_expose(GTK_WIDGET(sel), (GdkEvent *)&event);
} else if(! priv->expose_info.expose_queued) {
priv->expose_info.expose_queued = 1;
g_timeout_add ((EXPOSE_INTERVAL - result.tv_usec) / 1000, hildon_color_chooser_expose_timer, sel);
}
}
void GtkPluginWidget::paint(GraphicsContext* context, const IntRect& rect)
{
if (!context->gdkExposeEvent())
return;
/* only paint widgets with NO_WINDOW this way */
if (!GTK_WIDGET_NO_WINDOW(platformWidget()))
return;
GtkWidget* widget = platformWidget();
ASSERT(GTK_WIDGET_NO_WINDOW(widget));
GdkEvent* event = gdk_event_new(GDK_EXPOSE);
event->expose = *context->gdkExposeEvent();
event->expose.area = static_cast<GdkRectangle>(rect);
IntPoint loc = parent()->contentsToWindow(rect.location());
event->expose.area.x = loc.x();
event->expose.area.y = loc.y();
event->expose.region = gdk_region_rectangle(&event->expose.area);
/*
* 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))
gtk_widget_send_expose(widget, event);
gdk_event_free(event);
}
static VALUE
rg_send_expose(VALUE self, VALUE event)
{
return INT2NUM(gtk_widget_send_expose(_SELF(self), RVAL2GEV(event)));
}
