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compositor: Add a "feedback" window group

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Although not strictly a window group... This ClutterActor is
meant to stay always on top, and only show non-reactive actors
created by Mutter itself. Two possible usecases for this layer
are DnD surfaces, and touch spots.

We might also want to move cursors out of an overlay in MetaStage
into here at some point.
This commit is contained in:
Carlos Garnacho 2014-10-06 16:46:26 +02:00 committed by Jasper St. Pierre
parent f211b3ec90
commit 9a825d9bee
3 changed files with 17 additions and 1 deletions
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2
src/compositor/compositor-private.h
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@ -23,7 +23,7 @@ struct _MetaCompositor
guint server_time_is_monotonic_time : 1;
guint no_mipmaps : 1;
ClutterActor *stage, *window_group, *top_window_group;
ClutterActor *stage, *window_group, *top_window_group, *feedback_group;
ClutterActor *background_actor;
GList *windows;
Window output;

15
src/compositor/compositor.c
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@ -185,6 +185,19 @@ meta_get_top_window_group_for_screen (MetaScreen *screen)
return compositor->top_window_group;
}
/**
* meta_get_feedback_group_for_screen:
* @screen: a #MetaScreen
*
* Returns: (transfer none): The feedback group corresponding to @screen
*/
ClutterActor *
meta_get_feedback_group_for_screen (MetaScreen *screen)
{
MetaCompositor *compositor = get_compositor_for_screen (screen);
return compositor->feedback_group;
}
/**
* meta_get_window_actors:
* @screen: a #MetaScreen
@ -478,9 +491,11 @@ meta_compositor_manage (MetaCompositor *compositor)
compositor->window_group = meta_window_group_new (screen);
compositor->top_window_group = meta_window_group_new (screen);
compositor->feedback_group = meta_window_group_new (screen);
clutter_actor_add_child (compositor->stage, compositor->window_group);
clutter_actor_add_child (compositor->stage, compositor->top_window_group);
clutter_actor_add_child (compositor->stage, compositor->feedback_group);
if (meta_is_wayland_compositor ())
{

1
src/meta/compositor-mutter.h
View File

@ -37,6 +37,7 @@ Window meta_get_overlay_window (MetaScreen *screen);
GList *meta_get_window_actors (MetaScreen *screen);
ClutterActor *meta_get_window_group_for_screen (MetaScreen *screen);
ClutterActor *meta_get_top_window_group_for_screen (MetaScreen *screen);
ClutterActor *meta_get_feedback_group_for_screen (MetaScreen *screen);
void meta_disable_unredirect_for_screen (MetaScreen *screen);
void meta_enable_unredirect_for_screen (MetaScreen *screen);