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events: Only pass key events to Wayland if focus is on the stage

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Even without a compositor grab, key events may still be expected to
be processed by the compositor and not applications, for instance
when using ctrl-alt-tab to keynav in the top bar. On X11, focus is
moved to the stage window in that case, so that events are processed
before they are dispatched by the window manager. On wayland, we need
to handle this case ourselves, so make sure to not pass key events to
wayland in that case, and move the key focus back to the stage when
appropriate.

https://bugzilla.gnome.org/show_bug.cgi?id=758167
This commit is contained in:
Florian Müllner 2016-03-10 17:51:46 +01:00
parent 7d9af9585d
commit 89f6fdce5d
2 changed files with 33 additions and 8 deletions
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34
src/core/events.c
View File

@ -47,6 +47,18 @@
(e)->type == CLUTTER_TOUCH_END || \
(e)->type == CLUTTER_TOUCH_CANCEL)
#define IS_KEY_EVENT(e) ((e)->type == CLUTTER_KEY_PRESS || \
(e)->type == CLUTTER_KEY_RELEASE)
static gboolean
stage_has_key_focus (void)
{
MetaBackend *backend = meta_get_backend ();
ClutterActor *stage = meta_backend_get_stage (backend);
return clutter_stage_get_key_focus (CLUTTER_STAGE (stage)) == stage;
}
static MetaWindow *
get_window_for_event (MetaDisplay *display,
const ClutterEvent *event)
@ -58,14 +70,8 @@ get_window_for_event (MetaDisplay *display,
ClutterActor *source;
/* Always use the key focused window for key events. */
switch (event->type)
{
case CLUTTER_KEY_PRESS:
case CLUTTER_KEY_RELEASE:
return display->focus_window;
default:
break;
}
if (IS_KEY_EVENT (event))
return stage_has_key_focus () ? display->focus_window : NULL;
source = clutter_event_get_source (event);
if (META_IS_SURFACE_ACTOR (source))
@ -299,6 +305,18 @@ meta_display_handle_event (MetaDisplay *display,
goto out;
}
/* Do not pass keyboard events to Wayland if key focus is not on the
* stage in normal mode (e.g. during keynav in the panel)
*/
if (display->event_route == META_EVENT_ROUTE_NORMAL)
{
if (IS_KEY_EVENT (event) && !stage_has_key_focus ())
{
bypass_wayland = TRUE;
goto out;
}
}
if (display->current_pad_osd)
{
bypass_wayland = TRUE;

7
src/core/window.c
View File

@ -4300,6 +4300,13 @@ meta_window_focus (MetaWindow *window,
META_WINDOW_GET_CLASS (window)->focus (window, timestamp);
if (window->display->event_route == META_EVENT_ROUTE_NORMAL)
{
MetaBackend *backend = meta_get_backend ();
ClutterStage *stage = CLUTTER_STAGE (meta_backend_get_stage (backend));
clutter_stage_set_key_focus (stage, NULL);
}
if (window->wm_state_demands_attention)
meta_window_unset_demands_attention(window);