2014-03-20 15:29:30 -04:00
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2001 Havoc Pennington
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* Copyright (C) 2002, 2003, 2004 Red Hat, Inc.
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* Copyright (C) 2003, 2004 Rob Adams
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* Copyright (C) 2004-2006 Elijah Newren
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "events.h"
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2014-08-05 08:11:59 -04:00
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#include <meta/meta-backend.h>
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2014-06-11 16:08:33 -04:00
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#include "display-private.h"
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#include "window-private.h"
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#include "backends/x11/meta-backend-x11.h"
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2014-10-09 04:40:26 -04:00
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#include "backends/meta-cursor-tracker-private.h"
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2014-03-20 15:29:30 -04:00
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2014-06-11 16:08:33 -04:00
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#ifdef HAVE_NATIVE_BACKEND
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#include "backends/native/meta-backend-native.h"
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#include "backends/native/meta-idle-monitor-native.h"
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#endif
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2014-03-20 15:54:16 -04:00
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2014-08-13 20:19:35 -04:00
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#ifdef HAVE_WAYLAND
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2014-06-11 16:08:33 -04:00
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#include "wayland/meta-wayland-private.h"
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2014-08-13 20:19:35 -04:00
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#endif
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2014-06-11 16:08:33 -04:00
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#include "meta-surface-actor.h"
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2014-03-20 15:29:30 -04:00
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2015-07-01 09:49:33 -04:00
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#define IS_GESTURE_EVENT(e) ((e)->type == CLUTTER_TOUCHPAD_SWIPE || \
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(e)->type == CLUTTER_TOUCHPAD_PINCH || \
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(e)->type == CLUTTER_TOUCH_BEGIN || \
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(e)->type == CLUTTER_TOUCH_UPDATE || \
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(e)->type == CLUTTER_TOUCH_END || \
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(e)->type == CLUTTER_TOUCH_CANCEL)
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2014-06-11 16:08:33 -04:00
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static MetaWindow *
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get_window_for_event (MetaDisplay *display,
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const ClutterEvent *event)
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2014-03-20 15:29:30 -04:00
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{
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2014-08-15 17:35:40 -04:00
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switch (display->event_route)
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2014-03-20 15:29:30 -04:00
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{
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2014-08-15 17:35:40 -04:00
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case META_EVENT_ROUTE_NORMAL:
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{
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ClutterActor *source;
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/* Always use the key focused window for key events. */
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switch (event->type)
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{
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case CLUTTER_KEY_PRESS:
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case CLUTTER_KEY_RELEASE:
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return display->focus_window;
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default:
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break;
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}
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source = clutter_event_get_source (event);
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if (META_IS_SURFACE_ACTOR (source))
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return meta_surface_actor_get_window (META_SURFACE_ACTOR (source));
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else
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return NULL;
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}
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case META_EVENT_ROUTE_WINDOW_OP:
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case META_EVENT_ROUTE_COMPOSITOR_GRAB:
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2015-01-19 14:27:27 -05:00
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case META_EVENT_ROUTE_WAYLAND_POPUP:
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case META_EVENT_ROUTE_FRAME_BUTTON:
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2014-08-15 17:35:40 -04:00
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return display->grab_window;
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2014-03-20 15:29:30 -04:00
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default:
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2014-08-15 17:35:40 -04:00
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g_assert_not_reached ();
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2014-03-20 15:29:30 -04:00
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}
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}
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2014-03-30 20:50:03 -04:00
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static void
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handle_idletime_for_event (const ClutterEvent *event)
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{
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2014-05-29 12:11:26 -04:00
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#ifdef HAVE_NATIVE_BACKEND
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2014-03-30 20:50:03 -04:00
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/* This is handled by XSync under X11. */
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2014-05-29 12:06:09 -04:00
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MetaBackend *backend = meta_get_backend ();
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2014-03-30 20:50:03 -04:00
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2014-05-29 12:06:09 -04:00
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if (META_IS_BACKEND_NATIVE (backend))
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{
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ClutterInputDevice *device, *source_device;
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MetaIdleMonitor *core_monitor, *device_monitor;
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int device_id;
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2014-03-30 20:50:03 -04:00
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2014-05-29 12:06:09 -04:00
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device = clutter_event_get_device (event);
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if (device == NULL)
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return;
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2014-03-30 20:50:03 -04:00
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2015-04-27 13:01:51 -04:00
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if (event->any.flags & CLUTTER_EVENT_FLAG_SYNTHETIC ||
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event->type == CLUTTER_ENTER ||
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event->type == CLUTTER_LEAVE ||
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event->type == CLUTTER_STAGE_STATE ||
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event->type == CLUTTER_DESTROY_NOTIFY ||
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event->type == CLUTTER_CLIENT_MESSAGE ||
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event->type == CLUTTER_DELETE)
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return;
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2014-03-30 20:50:03 -04:00
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device_id = clutter_input_device_get_device_id (device);
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2014-05-29 12:06:09 -04:00
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core_monitor = meta_idle_monitor_get_core ();
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2014-03-30 20:50:03 -04:00
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device_monitor = meta_idle_monitor_get_for_device (device_id);
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2014-05-29 12:06:09 -04:00
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meta_idle_monitor_native_reset_idletime (core_monitor);
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2014-03-30 20:52:25 -04:00
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meta_idle_monitor_native_reset_idletime (device_monitor);
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2014-05-29 12:06:09 -04:00
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source_device = clutter_event_get_source_device (event);
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if (source_device != device)
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{
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device_id = clutter_input_device_get_device_id (device);
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device_monitor = meta_idle_monitor_get_for_device (device_id);
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meta_idle_monitor_native_reset_idletime (device_monitor);
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}
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2014-03-30 20:50:03 -04:00
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}
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2014-05-29 12:11:26 -04:00
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#endif /* HAVE_NATIVE_BACKEND */
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2014-03-30 20:50:03 -04:00
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}
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2014-07-21 19:14:14 -04:00
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static gboolean
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sequence_is_pointer_emulated (MetaDisplay *display,
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const ClutterEvent *event)
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{
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ClutterEventSequence *sequence;
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sequence = clutter_event_get_event_sequence (event);
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if (!sequence)
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return FALSE;
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if (clutter_event_is_pointer_emulated (event))
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return TRUE;
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2014-07-24 14:52:04 -04:00
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#ifdef HAVE_NATIVE_BACKEND
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MetaBackend *backend = meta_get_backend ();
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2014-07-21 19:14:14 -04:00
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/* When using Clutter's native input backend there is no concept of
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* pointer emulating sequence, we still must make up our own to be
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* able to implement single-touch (hence pointer alike) behavior.
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*
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* This is implemented similarly to X11, where only the first touch
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* on screen gets the "pointer emulated" flag, and it won't get assigned
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* to another sequence until the next first touch on an idle touchscreen.
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*/
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if (META_IS_BACKEND_NATIVE (backend))
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{
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MetaGestureTracker *tracker;
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tracker = meta_display_get_gesture_tracker (display);
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if (event->type == CLUTTER_TOUCH_BEGIN &&
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meta_gesture_tracker_get_n_current_touches (tracker) == 0)
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return TRUE;
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}
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2014-07-24 14:52:04 -04:00
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#endif /* HAVE_NATIVE_BACKEND */
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2014-07-21 19:14:14 -04:00
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return FALSE;
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}
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2014-03-20 15:29:30 -04:00
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static gboolean
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meta_display_handle_event (MetaDisplay *display,
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const ClutterEvent *event)
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{
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MetaWindow *window;
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2014-08-13 20:19:35 -04:00
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gboolean bypass_clutter = FALSE;
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G_GNUC_UNUSED gboolean bypass_wayland = FALSE;
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2014-06-19 17:10:33 -04:00
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MetaGestureTracker *tracker;
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2014-10-13 10:20:28 -04:00
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ClutterEventSequence *sequence;
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2015-02-11 09:03:25 -05:00
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ClutterInputDevice *source;
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2014-03-20 15:29:30 -04:00
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2014-10-13 10:20:28 -04:00
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sequence = clutter_event_get_event_sequence (event);
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/* Set the pointer emulating sequence on touch begin, if eligible */
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2015-10-16 09:13:40 -04:00
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if (event->type == CLUTTER_TOUCH_BEGIN)
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{
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if (sequence_is_pointer_emulated (display, event))
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{
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/* This is the new pointer emulating sequence */
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display->pointer_emulating_sequence = sequence;
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}
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else if (display->pointer_emulating_sequence == sequence)
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{
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/* This sequence was "pointer emulating" in a prior incarnation,
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* but now it isn't. We unset the pointer emulating sequence at
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* this point so the current sequence is not mistaken as pointer
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* emulating, while we've ensured that it's been deemed
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* "pointer emulating" throughout all of the event processing
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* of the previous incarnation.
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*/
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display->pointer_emulating_sequence = NULL;
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}
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}
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2014-07-21 19:14:14 -04:00
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2014-08-13 20:19:35 -04:00
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#ifdef HAVE_WAYLAND
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MetaWaylandCompositor *compositor = NULL;
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2014-03-20 15:29:30 -04:00
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if (meta_is_wayland_compositor ())
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{
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compositor = meta_wayland_compositor_get_default ();
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meta_wayland_compositor_update (compositor, event);
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}
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2014-08-13 20:19:35 -04:00
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#endif
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2014-03-20 15:29:30 -04:00
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2015-02-11 09:03:25 -05:00
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source = clutter_event_get_source_device (event);
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if (source)
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{
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meta_backend_update_last_device (meta_get_backend (),
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clutter_input_device_get_device_id (source));
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}
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2016-05-12 03:28:26 -04:00
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#ifdef HAVE_WAYLAND
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2014-08-21 16:57:27 -04:00
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if (meta_is_wayland_compositor () && event->type == CLUTTER_MOTION)
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{
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2015-01-09 11:31:02 -05:00
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MetaWaylandCompositor *compositor;
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compositor = meta_wayland_compositor_get_default ();
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if (meta_wayland_tablet_manager_consumes_event (compositor->tablet_manager, event))
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{
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meta_wayland_tablet_manager_update_cursor_position (compositor->tablet_manager, event);
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}
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else
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{
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MetaCursorTracker *tracker = meta_cursor_tracker_get_for_screen (NULL);
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meta_cursor_tracker_update_position (tracker, event->motion.x, event->motion.y);
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}
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2015-04-29 10:20:38 -04:00
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display->monitor_cache_invalidated = TRUE;
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2014-08-21 16:57:27 -04:00
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}
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2016-05-12 03:28:26 -04:00
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#endif
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2014-08-21 16:57:27 -04:00
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2014-03-30 20:50:03 -04:00
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handle_idletime_for_event (event);
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2014-03-20 15:29:30 -04:00
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window = get_window_for_event (display, event);
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display->current_time = event->any.time;
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if (window && !window->override_redirect &&
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2014-06-19 16:23:00 -04:00
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(event->type == CLUTTER_KEY_PRESS ||
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event->type == CLUTTER_BUTTON_PRESS ||
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event->type == CLUTTER_TOUCH_BEGIN))
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2014-03-20 15:29:30 -04:00
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{
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if (CurrentTime == display->current_time)
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{
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/* We can't use missing (i.e. invalid) timestamps to set user time,
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* nor do we want to use them to sanity check other timestamps.
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* See bug 313490 for more details.
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*/
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meta_warning ("Event has no timestamp! You may be using a broken "
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"program such as xse. Please ask the authors of that "
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"program to fix it.\n");
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}
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else
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{
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meta_window_set_user_time (window, display->current_time);
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meta_display_sanity_check_timestamps (display, display->current_time);
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}
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}
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2014-06-19 17:10:33 -04:00
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tracker = meta_display_get_gesture_tracker (display);
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if (meta_gesture_tracker_handle_event (tracker, event))
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{
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2014-07-21 19:55:02 -04:00
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bypass_wayland = bypass_clutter = TRUE;
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2014-06-19 17:10:33 -04:00
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goto out;
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}
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2014-08-15 13:12:22 -04:00
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if (display->event_route == META_EVENT_ROUTE_WINDOW_OP)
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2014-04-21 11:21:19 -04:00
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{
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if (meta_window_handle_mouse_grab_op_event (window, event))
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{
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bypass_clutter = TRUE;
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bypass_wayland = TRUE;
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goto out;
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}
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}
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2014-05-08 14:53:50 -04:00
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/* For key events, it's important to enforce single-handling, or
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* we can get into a confused state. So if a keybinding is
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* handled (because it's one of our hot-keys, or because we are
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* in a keyboard-grabbed mode like moving a window, we don't
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* want to pass the key event to the compositor or Wayland at all.
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*/
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if (meta_keybindings_process_event (display, window, event))
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{
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bypass_clutter = TRUE;
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bypass_wayland = TRUE;
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goto out;
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}
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2014-05-08 15:12:58 -04:00
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if (window)
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2014-03-20 15:29:30 -04:00
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{
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2015-07-01 09:49:33 -04:00
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/* Events that are likely to trigger compositor gestures should
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* be known to clutter so they can propagate along the hierarchy.
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* Gesture-wise, there's two groups of events we should be getting
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* here:
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* - CLUTTER_TOUCH_* with a touch sequence that's not yet accepted
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* by the gesture tracker, these might trigger gesture actions
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* into recognition. Already accepted touch sequences are handled
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* directly by meta_gesture_tracker_handle_event().
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* - CLUTTER_TOUCHPAD_* events over windows. These can likewise
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* trigger ::captured-event handlers along the way.
|
|
|
|
*/
|
|
|
|
bypass_clutter = !IS_GESTURE_EVENT (event);
|
2014-05-08 15:06:52 -04:00
|
|
|
|
2014-08-15 08:29:16 -04:00
|
|
|
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. */
|
|
|
|
|
2015-01-19 14:27:27 -05:00
|
|
|
if (display->event_route == META_EVENT_ROUTE_WINDOW_OP ||
|
|
|
|
display->event_route == META_EVENT_ROUTE_FRAME_BUTTON)
|
2014-05-08 15:09:20 -04:00
|
|
|
{
|
2014-08-15 08:29:16 -04:00
|
|
|
bypass_clutter = TRUE;
|
2014-05-08 15:05:25 -04:00
|
|
|
bypass_wayland = TRUE;
|
2014-03-20 15:29:30 -04:00
|
|
|
}
|
2014-08-15 08:29:16 -04:00
|
|
|
else
|
2014-05-08 15:09:20 -04:00
|
|
|
{
|
2014-08-15 08:29:16 -04:00
|
|
|
/* Only replay button press events, since that's where we
|
|
|
|
* have the synchronous grab. */
|
|
|
|
if (event->type == CLUTTER_BUTTON_PRESS)
|
2014-05-08 15:09:20 -04:00
|
|
|
{
|
2014-08-15 08:29:16 -04:00
|
|
|
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);
|
|
|
|
}
|
2014-05-08 15:09:20 -04:00
|
|
|
}
|
|
|
|
}
|
2014-05-08 15:12:58 -04:00
|
|
|
|
|
|
|
goto out;
|
2014-03-20 15:29:30 -04:00
|
|
|
}
|
|
|
|
|
2014-04-21 11:21:19 -04:00
|
|
|
out:
|
2014-03-20 15:29:30 -04:00
|
|
|
/* If the compositor has a grab, don't pass that through to Wayland */
|
2014-08-15 13:12:22 -04:00
|
|
|
if (display->event_route == META_EVENT_ROUTE_COMPOSITOR_GRAB)
|
2014-03-20 15:29:30 -04:00
|
|
|
bypass_wayland = TRUE;
|
|
|
|
|
|
|
|
/* If a Wayland client has a grab, don't pass that through to Clutter */
|
2014-08-15 13:12:22 -04:00
|
|
|
if (display->event_route == META_EVENT_ROUTE_WAYLAND_POPUP)
|
2014-03-20 15:29:30 -04:00
|
|
|
bypass_clutter = TRUE;
|
|
|
|
|
2014-08-13 20:19:35 -04:00
|
|
|
#ifdef HAVE_WAYLAND
|
2014-03-20 15:29:30 -04:00
|
|
|
if (compositor && !bypass_wayland)
|
|
|
|
{
|
|
|
|
if (meta_wayland_compositor_handle_event (compositor, event))
|
|
|
|
bypass_clutter = TRUE;
|
|
|
|
}
|
2014-08-13 20:19:35 -04:00
|
|
|
#endif
|
2014-03-20 15:29:30 -04:00
|
|
|
|
2014-05-09 11:16:34 -04:00
|
|
|
display->current_time = CurrentTime;
|
2014-03-20 15:29:30 -04:00
|
|
|
return bypass_clutter;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
event_callback (const ClutterEvent *event,
|
|
|
|
gpointer data)
|
|
|
|
{
|
|
|
|
MetaDisplay *display = data;
|
|
|
|
|
|
|
|
return meta_display_handle_event (display, event);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2014-08-15 13:47:57 -04:00
|
|
|
meta_display_init_events (MetaDisplay *display)
|
2014-03-20 15:29:30 -04:00
|
|
|
{
|
|
|
|
display->clutter_event_filter = clutter_event_add_filter (NULL,
|
|
|
|
event_callback,
|
|
|
|
NULL,
|
|
|
|
display);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
meta_display_free_events (MetaDisplay *display)
|
|
|
|
{
|
|
|
|
clutter_event_remove_filter (display->clutter_event_filter);
|
|
|
|
display->clutter_event_filter = 0;
|
|
|
|
}
|