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Handle ShapeNotify events in the clutter compositor and update the

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clip rectangles on the MetaShapedTexture.
This commit is contained in:
Neil Roberts 2008-09-24 22:53:39 +01:00
parent 6654cb65d7
commit 4f1fd37231
1 changed files with 71 additions and 4 deletions
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75
src/compositor/compositor-clutter.c
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@ -305,6 +305,8 @@ meta_comp_window_init (MetaCompWindow *self)
static gboolean is_shaped (MetaDisplay *display, Window xwindow);
static gboolean meta_comp_window_has_shadow (MetaCompWindow *self);
static void update_shape (MetaCompositorClutter *compositor,
MetaCompWindow *cw);
static void
meta_comp_window_constructed (GObject *object)
@ -350,6 +352,10 @@ meta_comp_window_constructed (GObject *object)
priv->actor = meta_shaped_texture_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (self), priv->actor);
update_shape ((MetaCompositorClutter *)
meta_display_get_compositor (display),
self);
}
static void
@ -1384,6 +1390,67 @@ process_damage (MetaCompositorClutter *compositor,
repair_win (cw);
}
static void
update_shape (MetaCompositorClutter *compositor,
MetaCompWindow *cw)
{
MetaCompWindowPrivate *priv = cw->priv;
meta_shaped_texture_clear_rectangles (META_SHAPED_TEXTURE (priv->actor));
#ifdef HAVE_SHAPE
if (priv->shaped)
{
Display *xdisplay = meta_display_get_xdisplay (compositor->display);
XRectangle *rects;
int n_rects, ordering;
rects = XShapeGetRectangles (xdisplay,
priv->xwindow,
ShapeBounding,
&n_rects,
&ordering);
if (rects)
{
meta_shaped_texture_add_rectangles (META_SHAPED_TEXTURE (priv->actor),
n_rects, rects);
XFree (rects);
}
}
#endif
}
#ifdef HAVE_SHAPE
static void
process_shape (MetaCompositorClutter *compositor,
XShapeEvent *event)
{
MetaCompWindow *cw = find_window_in_display (compositor->display,
event->window);
MetaCompWindowPrivate *priv = cw->priv;
if (cw == NULL)
return;
if (event->kind == ShapeBounding)
{
if (!event->shaped && priv->shaped)
priv->shaped = FALSE;
resize_win (cw, priv->attrs.x, priv->attrs.y,
event->width + event->x, event->height + event->y,
priv->attrs.border_width, priv->attrs.override_redirect);
if (event->shaped && !priv->shaped)
priv->shaped = TRUE;
update_shape (compositor, cw);
}
}
#endif
static void
process_configure_notify (MetaCompositorClutter *compositor,
XConfigureEvent *event)
@ -1749,11 +1816,11 @@ clutter_cmp_process_event (MetaCompositor *compositor,
{
process_damage (xrc, (XDamageNotifyEvent *) event);
}
/* else if (event->type == meta_display_get_shape_event_base (xrc->display) + ShapeNotify)
#ifdef HAVE_SHAPE
else if (event->type == meta_display_get_shape_event_base (xrc->display) + ShapeNotify)
process_shape (xrc, (XShapeEvent *) event);
else
#endif /* HAVE_SHAPE */
/* else
{
meta_error_trap_pop (xrc->display, FALSE);
return;