mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 05:12:09 +00:00
125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2010 Intel Corporation.
|
|
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*
|
|
* Authors:
|
|
* Matthew Allum
|
|
* Robert Bragg
|
|
* Kristian Høgsberg
|
|
*/
|
|
|
|
/* code originally from clutter's wayland backend found here
|
|
* http://git.gnome.org/browse/clutter/tree/clutter/wayland/clutter-event-wayland.c
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <wayland-client.h>
|
|
|
|
#include "wayland_event_source.h"
|
|
|
|
typedef struct _WaylandEventSource
|
|
{
|
|
GSource source;
|
|
GPollFD pfd;
|
|
uint32_t mask;
|
|
struct wl_display *display;
|
|
} WaylandEventSource;
|
|
|
|
static gboolean
|
|
wayland_event_source_prepare (GSource * base, gint * timeout)
|
|
{
|
|
WaylandEventSource *source = (WaylandEventSource *) base;
|
|
gboolean retval;
|
|
|
|
*timeout = -1;
|
|
|
|
/* We have to add/remove the GPollFD if we want to update our
|
|
* poll event mask dynamically. Instead, let's just flush all
|
|
* writes on idle */
|
|
wl_display_flush (source->display);
|
|
|
|
retval = FALSE; //clutter_events_pending ();
|
|
|
|
return retval;
|
|
}
|
|
|
|
static gboolean
|
|
wayland_event_source_check (GSource * base)
|
|
{
|
|
WaylandEventSource *source = (WaylandEventSource *) base;
|
|
gboolean retval;
|
|
|
|
retval = source->pfd.revents; // || clutter_events_pending();
|
|
|
|
return retval;
|
|
}
|
|
|
|
static gboolean
|
|
wayland_event_source_dispatch (GSource * base,
|
|
GSourceFunc callback, gpointer data)
|
|
{
|
|
WaylandEventSource *source = (WaylandEventSource *) base;
|
|
// ClutterEvent *event;
|
|
|
|
if (source->pfd.revents) {
|
|
wl_display_roundtrip (source->display);
|
|
source->pfd.revents = 0;
|
|
}
|
|
|
|
if (callback)
|
|
callback (data);
|
|
|
|
#if 0
|
|
event = clutter_event_get ();
|
|
|
|
if (event) {
|
|
/* forward the event into clutter for emission etc. */
|
|
clutter_do_event (event);
|
|
clutter_event_free (event);
|
|
}
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
static GSourceFuncs wayland_event_source_funcs = {
|
|
wayland_event_source_prepare,
|
|
wayland_event_source_check,
|
|
wayland_event_source_dispatch,
|
|
NULL
|
|
};
|
|
|
|
GSource *
|
|
wayland_event_source_new (struct wl_display *display)
|
|
{
|
|
WaylandEventSource *source;
|
|
|
|
source = (WaylandEventSource *)
|
|
g_source_new (&wayland_event_source_funcs, sizeof (WaylandEventSource));
|
|
source->display = display;
|
|
source->pfd.fd = wl_display_get_fd (display);
|
|
source->pfd.events = G_IO_IN | G_IO_ERR;
|
|
g_source_add_poll (&source->source, &source->pfd);
|
|
|
|
return &source->source;
|
|
}
|