2010-09-28 14:17:46 +00:00
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/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2010 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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* Authors:
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* Matthew Allum
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* Robert Bragg
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* Kristian Høgsberg
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdint.h>
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#include <stdlib.h>
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#include <wayland-client.h>
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2012-07-05 13:30:26 +00:00
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#include "clutter-event.h"
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#include "clutter-main.h"
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#include "clutter-private.h"
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2012-03-09 18:24:14 +00:00
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#include "clutter-event-wayland.h"
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2010-09-28 14:17:46 +00:00
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typedef struct _ClutterEventSourceWayland
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{
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GSource source;
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GPollFD pfd;
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uint32_t mask;
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struct wl_display *display;
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} ClutterEventSourceWayland;
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static gboolean
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clutter_event_source_wayland_prepare (GSource *base, gint *timeout)
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{
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ClutterEventSourceWayland *source = (ClutterEventSourceWayland *) base;
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gboolean retval;
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2012-07-05 13:30:26 +00:00
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_clutter_threads_acquire_lock ();
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2010-09-28 14:17:46 +00:00
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*timeout = -1;
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/* We have to add/remove the GPollFD if we want to update our
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* poll event mask dynamically. Instead, let's just flush all
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2011-05-09 21:45:33 +00:00
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* writes on idle */
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wl_display_flush (source->display);
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2010-09-28 14:17:46 +00:00
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retval = clutter_events_pending ();
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2012-07-05 13:30:26 +00:00
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_clutter_threads_release_lock ();
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2010-09-28 14:17:46 +00:00
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return retval;
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}
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static gboolean
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clutter_event_source_wayland_check (GSource *base)
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{
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ClutterEventSourceWayland *source = (ClutterEventSourceWayland *) base;
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gboolean retval;
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2012-07-05 13:30:26 +00:00
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_clutter_threads_acquire_lock ();
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2010-09-28 14:17:46 +00:00
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retval = clutter_events_pending () || source->pfd.revents;
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2012-07-05 13:30:26 +00:00
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_clutter_threads_release_lock ();
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2010-09-28 14:17:46 +00:00
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return retval;
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}
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static gboolean
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clutter_event_source_wayland_dispatch (GSource *base,
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GSourceFunc callback,
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gpointer data)
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{
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ClutterEventSourceWayland *source = (ClutterEventSourceWayland *) base;
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ClutterEvent *event;
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2012-07-05 13:30:26 +00:00
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_clutter_threads_acquire_lock ();
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2010-09-28 14:17:46 +00:00
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if (source->pfd.revents)
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{
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wl_display_iterate (source->display, WL_DISPLAY_READABLE);
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source->pfd.revents = 0;
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}
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event = clutter_event_get ();
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if (event)
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{
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/* forward the event into clutter for emission etc. */
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clutter_do_event (event);
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clutter_event_free (event);
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}
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2012-07-05 13:30:26 +00:00
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_clutter_threads_release_lock ();
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2010-09-28 14:17:46 +00:00
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return TRUE;
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}
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static GSourceFuncs clutter_event_source_wayland_funcs = {
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clutter_event_source_wayland_prepare,
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clutter_event_source_wayland_check,
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clutter_event_source_wayland_dispatch,
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NULL
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};
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static int
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clutter_event_source_wayland_update (uint32_t mask, void *data)
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{
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ClutterEventSourceWayland *source = data;
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source->mask = mask;
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return 0;
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}
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GSource *
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_clutter_event_source_wayland_new (struct wl_display *display)
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{
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ClutterEventSourceWayland *source;
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source = (ClutterEventSourceWayland *)
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g_source_new (&clutter_event_source_wayland_funcs,
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sizeof (ClutterEventSourceWayland));
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source->display = display;
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source->pfd.fd =
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wl_display_get_fd (display,
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clutter_event_source_wayland_update, source);
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source->pfd.events = G_IO_IN | G_IO_ERR;
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g_source_add_poll (&source->source, &source->pfd);
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return &source->source;
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}
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