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clutter: Add ClutterSeat private API to grab devices

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This will be necessary to string along ClutterGrab with backend
behavior, and mostly for the X11 backend so implement this pair
of vfuncs there.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2068>
This commit is contained in:
Carlos Garnacho
2021-10-28 17:04:49 +02:00
committed by Marge Bot
parent 1713f791cb
commit e9addb0ad7
5 changed files with 96 additions and 0 deletions
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53
src/backends/x11/meta-seat-x11.c
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@ -71,6 +71,7 @@ struct _MetaSeatX11
int pointer_id;
int keyboard_id;
int opcode;
ClutterGrabState grab_state;
guint has_touchscreens : 1;
guint touch_mode : 1;
guint has_pointer_focus : 1;
@ -1652,6 +1653,56 @@ meta_touch_info_free (MetaTouchInfo *touch_info)
g_free (touch_info);
}
static ClutterGrabState
meta_seat_x11_grab (ClutterSeat *seat,
uint32_t time)
{
MetaSeatX11 *seat_x11 = META_SEAT_X11 (seat);
MetaBackend *backend = meta_get_backend ();
ClutterGrabState state = CLUTTER_GRAB_STATE_NONE;
g_return_val_if_fail (seat_x11->grab_state == CLUTTER_GRAB_STATE_NONE,
seat_x11->grab_state);
if (meta_backend_grab_device (backend,
META_VIRTUAL_CORE_POINTER_ID,
time))
state |= CLUTTER_GRAB_STATE_POINTER;
if (meta_backend_grab_device (backend,
META_VIRTUAL_CORE_KEYBOARD_ID,
time))
state |= CLUTTER_GRAB_STATE_KEYBOARD;
seat_x11->grab_state = state;
return state;
}
static void
meta_seat_x11_ungrab (ClutterSeat *seat,
uint32_t time)
{
MetaSeatX11 *seat_x11 = META_SEAT_X11 (seat);
MetaBackend *backend = meta_get_backend ();
if ((seat_x11->grab_state & CLUTTER_GRAB_STATE_POINTER) != 0)
{
meta_backend_ungrab_device (backend,
META_VIRTUAL_CORE_POINTER_ID,
time);
}
if ((seat_x11->grab_state & CLUTTER_GRAB_STATE_KEYBOARD) != 0)
{
meta_backend_ungrab_device (backend,
META_VIRTUAL_CORE_KEYBOARD_ID,
time);
}
seat_x11->grab_state = CLUTTER_GRAB_STATE_NONE;
}
static void
meta_seat_x11_class_init (MetaSeatX11Class *klass)
{
@ -1673,6 +1724,8 @@ meta_seat_x11_class_init (MetaSeatX11Class *klass)
seat_class->warp_pointer = meta_seat_x11_warp_pointer;
seat_class->handle_event_post = meta_seat_x11_handle_event_post;
seat_class->query_state = meta_seat_x11_query_state;
seat_class->grab = meta_seat_x11_grab;
seat_class->ungrab = meta_seat_x11_ungrab;
props[PROP_OPCODE] =
g_param_spec_int ("opcode",