/* * 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; }