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clutter: Update pointer position on master clock's update stage

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Ensure the pointer position is up-to-date for the pointers inside
the clip area after the stage got actors relayout.

https://bugzilla.gnome.org/show_bug.cgi?id=755164
This commit is contained in:
Carlos Garnacho 2016-11-11 20:26:54 +01:00
parent 498200776c
commit 4b23eb064c
1 changed files with 67 additions and 0 deletions
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67
clutter/clutter/clutter-stage.c
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@ -161,6 +161,7 @@ struct _ClutterStagePrivate
guint accept_focus : 1;
guint motion_events_enabled : 1;
guint has_custom_perspective : 1;
guint stage_was_relayout : 1;
};
enum
@ -1059,6 +1060,7 @@ _clutter_stage_maybe_relayout (ClutterActor *actor)
if (!CLUTTER_ACTOR_IN_RELAYOUT (stage))
{
priv->relayout_pending = FALSE;
priv->stage_was_relayout = TRUE;
CLUTTER_NOTE (ACTOR, "Recomputing layout");
@ -1129,6 +1131,58 @@ clutter_stage_do_redraw (ClutterStage *stage)
stage);
}
static GSList *
_clutter_stage_check_updated_pointers (ClutterStage *stage)
{
ClutterStagePrivate *priv = stage->priv;
ClutterDeviceManager *device_manager;
GSList *updating = NULL;
const GSList *devices;
cairo_rectangle_int_t clip;
ClutterPoint point;
gboolean has_clip;
has_clip = _clutter_stage_window_get_redraw_clip_bounds (priv->impl, &clip);
device_manager = clutter_device_manager_get_default ();
devices = clutter_device_manager_peek_devices (device_manager);
for (; devices != NULL; devices = devices->next)
{
ClutterInputDevice *dev = devices->data;
if (clutter_input_device_get_device_mode (dev) !=
CLUTTER_INPUT_MODE_MASTER)
continue;
switch (clutter_input_device_get_device_type (dev))
{
case CLUTTER_POINTER_DEVICE:
case CLUTTER_TABLET_DEVICE:
case CLUTTER_PEN_DEVICE:
case CLUTTER_ERASER_DEVICE:
case CLUTTER_CURSOR_DEVICE:
if (!clutter_input_device_get_coords (dev, NULL, &point))
continue;
if (!has_clip ||
(point.x >= clip.x && point.x < clip.x + clip.width &&
point.y >= clip.y && point.y < clip.y + clip.height))
updating = g_slist_prepend (updating, dev);
break;
default:
/* Any other devices don't need checking, either because they
* don't have x/y coordinates, or because they're implicitly
* grabbed on an actor by default as it's the case of
* touch(screens).
*/
break;
}
}
return updating;
}
/**
* _clutter_stage_do_update:
* @stage: A #ClutterStage
@ -1141,6 +1195,10 @@ gboolean
_clutter_stage_do_update (ClutterStage *stage)
{
ClutterStagePrivate *priv = stage->priv;
gboolean stage_was_relayout = priv->stage_was_relayout;
GSList *pointers = NULL;
priv->stage_was_relayout = FALSE;
/* if the stage is being destroyed, or if the destruction already
* happened and we don't have an StageWindow any more, then we
@ -1161,6 +1219,9 @@ _clutter_stage_do_update (ClutterStage *stage)
if (!priv->redraw_pending)
return FALSE;
if (stage_was_relayout)
pointers = _clutter_stage_check_updated_pointers (stage);
clutter_stage_maybe_finish_queue_redraws (stage);
clutter_stage_do_redraw (stage);
@ -1178,6 +1239,12 @@ _clutter_stage_do_update (ClutterStage *stage)
}
#endif /* CLUTTER_ENABLE_DEBUG */
while (pointers)
{
_clutter_input_device_update (pointers->data, NULL, TRUE);
pointers = g_slist_delete_link (pointers, pointers);
}
return TRUE;
}