/**
* gtk_timeline_start:
* @timeline: A #GtkTimeline
*
* Runs the timeline from the current frame.
**/
void
_gtk_timeline_start (GtkTimeline *timeline)
{
GtkTimelinePriv *priv;
GtkSettings *settings;
gboolean enable_animations = FALSE;
g_return_if_fail (GTK_IS_TIMELINE (timeline));
priv = timeline->priv;
if (!priv->source_id)
{
if (priv->timer)
g_timer_continue (priv->timer);
else
priv->timer = g_timer_new ();
/* sanity check */
g_assert (priv->fps > 0);
if (priv->screen)
{
settings = gtk_settings_get_for_screen (priv->screen);
g_object_get (settings, "gtk-enable-animations", &enable_animations, NULL);
}
priv->animations_enabled = enable_animations;
g_signal_emit (timeline, signals [STARTED], 0);
if (enable_animations)
priv->source_id = gdk_threads_add_timeout (FRAME_INTERVAL (priv->fps),
(GSourceFunc) gtk_timeline_run_frame,
timeline);
else
priv->source_id = gdk_threads_add_idle ((GSourceFunc) gtk_timeline_run_frame,
timeline);
}
}
static void
ev_timeline_real_start (EvTimeline *timeline)
{
EvTimelinePriv *priv;
priv = EV_TIMELINE_GET_PRIV (timeline);
if (!priv->source_id) {
if (priv->timer)
g_timer_continue (priv->timer);
else
priv->timer = g_timer_new ();
/* sanity check */
g_assert (priv->fps > 0);
g_signal_emit (timeline, signals [STARTED], 0);
priv->source_id = g_timeout_add (FRAME_INTERVAL (priv->fps),
(GSourceFunc) ev_timeline_run_frame,
timeline);
}
}
/**
* gtk_timeline_set_fps:
* @timeline: A #GtkTimeline
* @fps: frames per second
*
* Sets the number of frames per second that
* the timeline will play.
**/
void
_gtk_timeline_set_fps (GtkTimeline *timeline,
guint fps)
{
GtkTimelinePriv *priv;
g_return_if_fail (GTK_IS_TIMELINE (timeline));
g_return_if_fail (fps > 0);
priv = timeline->priv;
priv->fps = fps;
if (_gtk_timeline_is_running (timeline))
{
g_source_remove (priv->source_id);
priv->source_id = gdk_threads_add_timeout (FRAME_INTERVAL (priv->fps),
(GSourceFunc) gtk_timeline_run_frame,
timeline);
}
g_object_notify (G_OBJECT (timeline), "fps");
}
