static gboolean
meta_display_handle_event (MetaDisplay *display,
const ClutterEvent *event)
{
MetaWindow *window;
gboolean bypass_clutter = FALSE;
G_GNUC_UNUSED gboolean bypass_wayland = FALSE;
MetaGestureTracker *tracker;
ClutterEventSequence *sequence;
ClutterInputDevice *source;
sequence = clutter_event_get_event_sequence (event);
/* Set the pointer emulating sequence on touch begin, if eligible */
if (event->type == CLUTTER_TOUCH_BEGIN)
{
if (sequence_is_pointer_emulated (display, event))
{
/* This is the new pointer emulating sequence */
display->pointer_emulating_sequence = sequence;
}
else if (display->pointer_emulating_sequence == sequence)
{
/* This sequence was "pointer emulating" in a prior incarnation,
* but now it isn't. We unset the pointer emulating sequence at
* this point so the current sequence is not mistaken as pointer
* emulating, while we've ensured that it's been deemed
* "pointer emulating" throughout all of the event processing
* of the previous incarnation.
*/
display->pointer_emulating_sequence = NULL;
}
}
#ifdef HAVE_WAYLAND
MetaWaylandCompositor *compositor = NULL;
if (meta_is_wayland_compositor ())
{
compositor = meta_wayland_compositor_get_default ();
meta_wayland_compositor_update (compositor, event);
}
#endif
if (!display->current_pad_osd &&
(event->type == CLUTTER_PAD_BUTTON_PRESS ||
event->type == CLUTTER_PAD_BUTTON_RELEASE))
{
MetaBackend *backend = meta_get_backend ();
if (meta_input_settings_handle_pad_button (meta_backend_get_input_settings (backend),
clutter_event_get_source_device (event),
event->type == CLUTTER_PAD_BUTTON_PRESS,
event->pad_button.button))
{
bypass_wayland = bypass_clutter = TRUE;
goto out;
}
}
source = clutter_event_get_source_device (event);
if (source)
{
meta_backend_update_last_device (meta_get_backend (),
clutter_input_device_get_device_id (source));
}
#ifdef HAVE_WAYLAND
if (meta_is_wayland_compositor () && event->type == CLUTTER_MOTION)
{
MetaWaylandCompositor *compositor;
compositor = meta_wayland_compositor_get_default ();
if (meta_wayland_tablet_manager_consumes_event (compositor->tablet_manager, event))
{
meta_wayland_tablet_manager_update_cursor_position (compositor->tablet_manager, event);
}
else
{
MetaCursorTracker *tracker = meta_cursor_tracker_get_for_screen (NULL);
meta_cursor_tracker_update_position (tracker, event->motion.x, event->motion.y);
}
display->monitor_cache_invalidated = TRUE;
}
#endif
handle_idletime_for_event (event);
window = get_window_for_event (display, event);
display->current_time = event->any.time;
if (window && !window->override_redirect &&
(event->type == CLUTTER_KEY_PRESS ||
event->type == CLUTTER_BUTTON_PRESS ||
event->type == CLUTTER_TOUCH_BEGIN))
{
if (CurrentTime == display->current_time)
{
/* We can't use missing (i.e. invalid) timestamps to set user time,
* nor do we want to use them to sanity check other timestamps.
* See bug 313490 for more details.
*/
meta_warning ("Event has no timestamp! You may be using a broken "
"program such as xse. Please ask the authors of that "
"program to fix it.\n");
}
else
{
meta_window_set_user_time (window, display->current_time);
meta_display_sanity_check_timestamps (display, display->current_time);
}
}
tracker = meta_display_get_gesture_tracker (display);
if (meta_gesture_tracker_handle_event (tracker, event))
{
bypass_wayland = bypass_clutter = TRUE;
goto out;
}
if (display->event_route == META_EVENT_ROUTE_WINDOW_OP)
{
if (meta_window_handle_mouse_grab_op_event (window, event))
{
bypass_clutter = TRUE;
bypass_wayland = TRUE;
goto out;
}
}
/* For key events, it's important to enforce single-handling, or
* we can get into a confused state. So if a keybinding is
* handled (because it's one of our hot-keys, or because we are
* in a keyboard-grabbed mode like moving a window, we don't
* want to pass the key event to the compositor or Wayland at all.
*/
if (meta_keybindings_process_event (display, window, event))
{
bypass_clutter = TRUE;
bypass_wayland = TRUE;
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;
goto out;
}
if (window)
{
/* Events that are likely to trigger compositor gestures should
* be known to clutter so they can propagate along the hierarchy.
* Gesture-wise, there's two groups of events we should be getting
* here:
* - CLUTTER_TOUCH_* with a touch sequence that's not yet accepted
* by the gesture tracker, these might trigger gesture actions
* into recognition. Already accepted touch sequences are handled
* directly by meta_gesture_tracker_handle_event().
* - CLUTTER_TOUCHPAD_* events over windows. These can likewise
* trigger ::captured-event handlers along the way.
*/
bypass_clutter = !IS_GESTURE_EVENT (event);
meta_window_handle_ungrabbed_event (window, event);
/* This might start a grab op. If it does, then filter out the
* event, and if it doesn't, replay the event to release our
* own sync grab. */
if (display->event_route == META_EVENT_ROUTE_WINDOW_OP ||
display->event_route == META_EVENT_ROUTE_FRAME_BUTTON)
{
bypass_clutter = TRUE;
bypass_wayland = TRUE;
}
else
{
/* Only replay button press events, since that's where we
* have the synchronous grab. */
if (event->type == CLUTTER_BUTTON_PRESS)
{
MetaBackend *backend = meta_get_backend ();
if (META_IS_BACKEND_X11 (backend))
{
Display *xdisplay = meta_backend_x11_get_xdisplay (META_BACKEND_X11 (backend));
meta_verbose ("Allowing events time %u\n",
(unsigned int)event->button.time);
XIAllowEvents (xdisplay, clutter_event_get_device_id (event),
XIReplayDevice, event->button.time);
}
}
}
goto out;
}
out:
/* If the compositor has a grab, don't pass that through to Wayland */
if (display->event_route == META_EVENT_ROUTE_COMPOSITOR_GRAB)
bypass_wayland = TRUE;
/* If a Wayland client has a grab, don't pass that through to Clutter */
if (display->event_route == META_EVENT_ROUTE_WAYLAND_POPUP)
bypass_clutter = TRUE;
#ifdef HAVE_WAYLAND
if (compositor && !bypass_wayland)
{
if (meta_wayland_compositor_handle_event (compositor, event))
bypass_clutter = TRUE;
}
#endif
display->current_time = CurrentTime;
return bypass_clutter;
}
static gboolean
on_captured_event (ClutterActor *stage,
ClutterEvent *event,
ClutterClickAction *action)
{
ClutterClickActionPrivate *priv = action->priv;
ClutterActor *actor;
ClutterModifierType modifier_state;
gboolean has_button = TRUE;
actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (action));
switch (clutter_event_type (event))
{
case CLUTTER_TOUCH_END:
has_button = FALSE;
case CLUTTER_BUTTON_RELEASE:
if (!priv->is_held)
return CLUTTER_EVENT_STOP;
if ((has_button && clutter_event_get_button (event) != priv->press_button) ||
(has_button && clutter_event_get_click_count (event) != 1) ||
clutter_event_get_device_id (event) != priv->press_device_id ||
clutter_event_get_event_sequence (event) != priv->press_sequence)
return CLUTTER_EVENT_PROPAGATE;
click_action_set_held (action, FALSE);
click_action_cancel_long_press (action);
/* disconnect the capture */
if (priv->capture_id != 0)
{
g_signal_handler_disconnect (priv->stage, priv->capture_id);
priv->capture_id = 0;
}
if (priv->long_press_id != 0)
{
g_source_remove (priv->long_press_id);
priv->long_press_id = 0;
}
if (!clutter_actor_contains (actor, clutter_event_get_source (event)))
return CLUTTER_EVENT_PROPAGATE;
/* exclude any button-mask so that we can compare
* the press and release states properly */
modifier_state = clutter_event_get_state (event) &
~(CLUTTER_BUTTON1_MASK |
CLUTTER_BUTTON2_MASK |
CLUTTER_BUTTON3_MASK |
CLUTTER_BUTTON4_MASK |
CLUTTER_BUTTON5_MASK);
/* if press and release states don't match we
* simply ignore modifier keys. i.e. modifier keys
* are expected to be pressed throughout the whole
* click */
if (modifier_state != priv->modifier_state)
priv->modifier_state = 0;
click_action_set_pressed (action, FALSE);
g_signal_emit (action, click_signals[CLICKED], 0, actor);
break;
case CLUTTER_MOTION:
case CLUTTER_TOUCH_UPDATE:
{
gfloat motion_x, motion_y;
gfloat delta_x, delta_y;
if (!priv->is_held)
return CLUTTER_EVENT_PROPAGATE;
clutter_event_get_coords (event, &motion_x, &motion_y);
delta_x = ABS (motion_x - priv->press_x);
delta_y = ABS (motion_y - priv->press_y);
if (delta_x > priv->drag_threshold ||
delta_y > priv->drag_threshold)
click_action_cancel_long_press (action);
}
break;
default:
break;
}
return CLUTTER_EVENT_STOP;
}
static gboolean
on_event (ClutterActor *actor,
ClutterEvent *event,
ClutterClickAction *action)
{
ClutterClickActionPrivate *priv = action->priv;
gboolean has_button = TRUE;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (action)))
return CLUTTER_EVENT_PROPAGATE;
switch (clutter_event_type (event))
{
case CLUTTER_TOUCH_BEGIN:
has_button = FALSE;
case CLUTTER_BUTTON_PRESS:
if (has_button && clutter_event_get_click_count (event) != 1)
return CLUTTER_EVENT_PROPAGATE;
if (priv->is_held)
return CLUTTER_EVENT_STOP;
if (!clutter_actor_contains (actor, clutter_event_get_source (event)))
return CLUTTER_EVENT_PROPAGATE;
priv->press_button = has_button ? clutter_event_get_button (event) : 0;
priv->press_device_id = clutter_event_get_device_id (event);
priv->press_sequence = clutter_event_get_event_sequence (event);
priv->modifier_state = clutter_event_get_state (event);
clutter_event_get_coords (event, &priv->press_x, &priv->press_y);
if (priv->long_press_threshold < 0)
{
ClutterSettings *settings = clutter_settings_get_default ();
g_object_get (settings,
"dnd-drag-threshold", &priv->drag_threshold,
NULL);
}
else
priv->drag_threshold = priv->long_press_threshold;
if (priv->stage == NULL)
priv->stage = clutter_actor_get_stage (actor);
priv->capture_id = g_signal_connect_after (priv->stage, "captured-event",
G_CALLBACK (on_captured_event),
action);
click_action_set_pressed (action, TRUE);
click_action_set_held (action, TRUE);
click_action_query_long_press (action);
break;
case CLUTTER_ENTER:
click_action_set_pressed (action, priv->is_held);
break;
case CLUTTER_LEAVE:
click_action_set_pressed (action, priv->is_held);
click_action_cancel_long_press (action);
break;
default:
break;
}
return CLUTTER_EVENT_PROPAGATE;
}
/* An event was received */
static gboolean _xfdashboard_click_action_on_event(XfdashboardClickAction *self, ClutterEvent *inEvent, gpointer inUserData)
{
XfdashboardClickActionPrivate *priv;
gboolean hasButton;
ClutterActor *actor;
g_return_val_if_fail(XFDASHBOARD_IS_CLICK_ACTION(self), CLUTTER_EVENT_PROPAGATE);
g_return_val_if_fail(CLUTTER_IS_ACTOR(inUserData), CLUTTER_EVENT_PROPAGATE);
priv=self->priv;
hasButton=TRUE;
actor=CLUTTER_ACTOR(inUserData);
/* Check if actor is enabled to handle events */
if(!clutter_actor_meta_get_enabled(CLUTTER_ACTOR_META(self))) return(CLUTTER_EVENT_PROPAGATE);
/* Handle event */
switch(clutter_event_type(inEvent))
{
case CLUTTER_TOUCH_BEGIN:
hasButton=FALSE;
case CLUTTER_BUTTON_PRESS:
/* We only handle single clicks if it is pointer device */
if(hasButton && clutter_event_get_click_count(inEvent)!=1)
{
return(CLUTTER_EVENT_PROPAGATE);
}
/* Do we already held the press? */
if(priv->isHeld) return(CLUTTER_EVENT_STOP);
/* Is the source of event a child of this actor. If not do
* not handle this event but any other.
*/
if(!clutter_actor_contains(actor, clutter_event_get_source(inEvent)))
{
return(CLUTTER_EVENT_PROPAGATE);
}
/* Remember event data */
priv->pressButton=hasButton ? clutter_event_get_button(inEvent) : 0;
priv->pressDeviceID=clutter_event_get_device_id(inEvent);
priv->pressSequence=clutter_event_get_event_sequence(inEvent);
priv->modifierState=clutter_event_get_state(inEvent);
clutter_event_get_coords(inEvent, &priv->pressX, &priv->pressY);
if(priv->longPressThreshold<0)
{
ClutterSettings *settings=clutter_settings_get_default();
g_object_get(settings, "dnd-drag-threshold", &priv->dragThreshold, NULL);
}
else priv->dragThreshold=priv->longPressThreshold;
if(priv->stage==NULL) priv->stage=clutter_actor_get_stage(actor);
/* Connect signals */
priv->captureID=g_signal_connect_object(priv->stage,
"captured-event",
G_CALLBACK(_xfdashboard_click_action_on_captured_event),
self,
G_CONNECT_AFTER | G_CONNECT_SWAPPED);
/* Set state of this action */
_xfdashboard_click_action_set_pressed(self, TRUE);
_xfdashboard_click_action_set_held(self, TRUE);
_xfdashboard_click_action_query_long_press(self);
break;
case CLUTTER_ENTER:
_xfdashboard_click_action_set_pressed(self, priv->isHeld);
break;
case CLUTTER_LEAVE:
_xfdashboard_click_action_set_pressed(self, priv->isHeld);
_xfdashboard_click_action_cancel_long_press(self);
break;
default:
break;
}
return(CLUTTER_EVENT_PROPAGATE);
}
/* An event was captured */
static gboolean _xfdashboard_click_action_on_captured_event(XfdashboardClickAction *self,
ClutterEvent *inEvent,
gpointer inUserData)
{
XfdashboardClickActionPrivate *priv;
ClutterActor *stage G_GNUC_UNUSED;
ClutterActor *actor;
ClutterModifierType modifierState;
gboolean hasButton;
g_return_val_if_fail(XFDASHBOARD_IS_CLICK_ACTION(self), CLUTTER_EVENT_PROPAGATE);
g_return_val_if_fail(CLUTTER_IS_ACTOR(inUserData), CLUTTER_EVENT_PROPAGATE);
priv=self->priv;
stage=CLUTTER_ACTOR(inUserData);
hasButton=TRUE;
/* Handle captured event */
actor=clutter_actor_meta_get_actor(CLUTTER_ACTOR_META(self));
switch(clutter_event_type(inEvent))
{
case CLUTTER_TOUCH_END:
hasButton=FALSE;
case CLUTTER_BUTTON_RELEASE:
if(!priv->isHeld) return(CLUTTER_EVENT_STOP);
if((hasButton && clutter_event_get_button(inEvent)!=priv->pressButton) ||
(hasButton && clutter_event_get_click_count(inEvent)!=1) ||
clutter_event_get_device_id(inEvent)!=priv->pressDeviceID ||
clutter_event_get_event_sequence(inEvent)!=priv->pressSequence)
{
return(CLUTTER_EVENT_PROPAGATE);
}
_xfdashboard_click_action_set_held(self, FALSE);
_xfdashboard_click_action_cancel_long_press(self);
/* Disconnect the capture */
if(priv->captureID!=0)
{
g_signal_handler_disconnect(priv->stage, priv->captureID);
priv->captureID = 0;
}
if(priv->longPressID!=0)
{
g_source_remove(priv->longPressID);
priv->longPressID=0;
}
if(!clutter_actor_contains(actor, clutter_event_get_source(inEvent)))
{
return(CLUTTER_EVENT_PROPAGATE);
}
/* Exclude any button-mask so that we can compare
* the press and release states properly
*/
modifierState=clutter_event_get_state(inEvent) &
~(CLUTTER_BUTTON1_MASK |
CLUTTER_BUTTON2_MASK |
CLUTTER_BUTTON3_MASK |
CLUTTER_BUTTON4_MASK |
CLUTTER_BUTTON5_MASK);
/* If press and release states don't match we simply ignore
* modifier keys. i.e. modifier keys are expected to be pressed
* throughout the whole click
*/
if(modifierState!=priv->modifierState) priv->modifierState=0;
_xfdashboard_click_action_set_pressed(self, FALSE);
g_signal_emit(self, XfdashboardClickActionSignals[SIGNAL_CLICKED], 0, actor);
break;
case CLUTTER_MOTION:
case CLUTTER_TOUCH_UPDATE:
{
gfloat motionX, motionY;
gfloat deltaX, deltaY;
if(!priv->isHeld) return(CLUTTER_EVENT_PROPAGATE);
clutter_event_get_coords (inEvent, &motionX, &motionY);
deltaX=ABS(motionX-priv->pressX);
deltaY=ABS(motionY-priv->pressY);
if(deltaX>priv->dragThreshold || deltaY>priv->dragThreshold)
{
_xfdashboard_click_action_cancel_long_press(self);
}
}
break;
default:
break;
}
/* This is line changed in returning CLUTTER_EVENT_PROPAGATE
* instead of CLUTTER_EVENT_STOP
*/
return(CLUTTER_EVENT_PROPAGATE);
}
static gboolean
meta_display_handle_event (MetaDisplay *display,
const ClutterEvent *event)
{
MetaWindow *window;
gboolean bypass_clutter = FALSE;
G_GNUC_UNUSED gboolean bypass_wayland = FALSE;
MetaGestureTracker *tracker;
ClutterEventSequence *sequence;
sequence = clutter_event_get_event_sequence (event);
/* Set the pointer emulating sequence on touch begin, if eligible */
if (event->type == CLUTTER_TOUCH_BEGIN &&
!display->pointer_emulating_sequence &&
sequence_is_pointer_emulated (display, event))
display->pointer_emulating_sequence = sequence;
#ifdef HAVE_WAYLAND
MetaWaylandCompositor *compositor = NULL;
if (meta_is_wayland_compositor ())
{
compositor = meta_wayland_compositor_get_default ();
meta_wayland_compositor_update (compositor, event);
}
#endif
if (meta_is_wayland_compositor () && event->type == CLUTTER_MOTION)
{
MetaCursorTracker *tracker = meta_cursor_tracker_get_for_screen (NULL);
meta_cursor_tracker_update_position (tracker, event->motion.x, event->motion.y);
}
handle_idletime_for_event (event);
window = get_window_for_event (display, event);
display->current_time = event->any.time;
if (window && !window->override_redirect &&
(event->type == CLUTTER_KEY_PRESS ||
event->type == CLUTTER_BUTTON_PRESS ||
event->type == CLUTTER_TOUCH_BEGIN))
{
if (CurrentTime == display->current_time)
{
/* We can't use missing (i.e. invalid) timestamps to set user time,
* nor do we want to use them to sanity check other timestamps.
* See bug 313490 for more details.
*/
meta_warning ("Event has no timestamp! You may be using a broken "
"program such as xse. Please ask the authors of that "
"program to fix it.\n");
}
else
{
meta_window_set_user_time (window, display->current_time);
meta_display_sanity_check_timestamps (display, display->current_time);
}
}
tracker = meta_display_get_gesture_tracker (display);
if (meta_gesture_tracker_handle_event (tracker, event))
{
bypass_wayland = bypass_clutter = TRUE;
goto out;
}
if (display->event_route == META_EVENT_ROUTE_WINDOW_OP)
{
if (meta_window_handle_mouse_grab_op_event (window, event))
{
bypass_clutter = TRUE;
bypass_wayland = TRUE;
goto out;
}
}
/* For key events, it's important to enforce single-handling, or
* we can get into a confused state. So if a keybinding is
* handled (because it's one of our hot-keys, or because we are
* in a keyboard-grabbed mode like moving a window, we don't
* want to pass the key event to the compositor or Wayland at all.
*/
if (meta_keybindings_process_event (display, window, event))
{
bypass_clutter = TRUE;
bypass_wayland = TRUE;
goto out;
}
if (window)
{
if (!clutter_event_get_event_sequence (event))
{
/* Swallow all non-touch events on windows that come our way.
* Touch events that reach here aren't yet in an accepted state,
* so Clutter must see them to maybe trigger gestures into
* recognition.
*/
bypass_clutter = TRUE;
}
meta_window_handle_ungrabbed_event (window, event);
/* This might start a grab op. If it does, then filter out the
* event, and if it doesn't, replay the event to release our
* own sync grab. */
if (display->event_route == META_EVENT_ROUTE_WINDOW_OP)
{
bypass_clutter = TRUE;
bypass_wayland = TRUE;
}
else
{
/* Only replay button press events, since that's where we
* have the synchronous grab. */
if (event->type == CLUTTER_BUTTON_PRESS)
{
MetaBackend *backend = meta_get_backend ();
if (META_IS_BACKEND_X11 (backend))
{
Display *xdisplay = meta_backend_x11_get_xdisplay (META_BACKEND_X11 (backend));
meta_verbose ("Allowing events time %u\n",
(unsigned int)event->button.time);
XIAllowEvents (xdisplay, clutter_event_get_device_id (event),
XIReplayDevice, event->button.time);
}
}
}
goto out;
}
out:
/* If the compositor has a grab, don't pass that through to Wayland */
if (display->event_route == META_EVENT_ROUTE_COMPOSITOR_GRAB)
bypass_wayland = TRUE;
/* If a Wayland client has a grab, don't pass that through to Clutter */
if (display->event_route == META_EVENT_ROUTE_WAYLAND_POPUP)
bypass_clutter = TRUE;
#ifdef HAVE_WAYLAND
if (compositor && !bypass_wayland)
{
if (meta_wayland_compositor_handle_event (compositor, event))
bypass_clutter = TRUE;
}
#endif
/* Unset the pointer emulating sequence after its end event is processed */
if (event->type == CLUTTER_TOUCH_END &&
display->pointer_emulating_sequence == sequence)
display->pointer_emulating_sequence = NULL;
display->current_time = CurrentTime;
return bypass_clutter;
}