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update volume slider when volume changes

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Brandon Lewis 2010-08-03 14:39:56 +02:00 committed by Edward Hervey
parent 9bc26edc87
commit c9a9cabaec
1 changed files with 31 additions and 0 deletions
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31
tests/examples/ges-ui.c
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@ -804,11 +804,24 @@ disconnect_from_title_source (GESTimelineObject * object, App * app)
{ {
} }
static void
test_source_notify_volume_changed_cb (GESTimelineObject * object, GParamSpec *
unused G_GNUC_UNUSED, App * app)
{
gdouble volume;
g_object_get (G_OBJECT (object), "volume", &volume, NULL);
gtk_range_set_value (GTK_RANGE (app->volume), volume);
}
static void static void
connect_to_test_source (GESTimelineObject * object, App * app) connect_to_test_source (GESTimelineObject * object, App * app)
{ {
gchar buf[30]; gchar buf[30];
guint64 duration; guint64 duration;
GObjectClass *klass;
GParamSpecDouble *pspec;
GESTimelineTestSource *obj; GESTimelineTestSource *obj;
obj = GES_TIMELINE_TEST_SOURCE (object); obj = GES_TIMELINE_TEST_SOURCE (object);
@ -819,6 +832,22 @@ connect_to_test_source (GESTimelineObject * object, App * app)
g_snprintf (buf, sizeof (buf), "%02u:%02u:%02u.%09u", g_snprintf (buf, sizeof (buf), "%02u:%02u:%02u.%09u",
GST_TIME_ARGS (duration)); GST_TIME_ARGS (duration));
gtk_entry_set_text (app->seconds, buf); gtk_entry_set_text (app->seconds, buf);
g_signal_connect (G_OBJECT (object), "notify::volume",
G_CALLBACK (test_source_notify_volume_changed_cb), app);
test_source_notify_volume_changed_cb (object, NULL, app);
klass = G_OBJECT_GET_CLASS (G_OBJECT (object));
pspec = G_PARAM_SPEC_DOUBLE (g_object_class_find_property (klass, "volume"));
gtk_range_set_range (GTK_RANGE (app->volume), pspec->minimum, pspec->maximum);
}
static void
disconnect_from_test_source (GESTimelineObject * object, App * app)
{
g_signal_handlers_disconnect_by_func (G_OBJECT (object),
test_source_notify_volume_changed_cb, app);
} }
void void
@ -840,6 +869,8 @@ disconnect_from_object (GESTimelineObject * object, App * app)
disconnect_from_filesource (object, app); disconnect_from_filesource (object, app);
} else if (GES_IS_TIMELINE_TITLE_SOURCE (object)) { } else if (GES_IS_TIMELINE_TITLE_SOURCE (object)) {
disconnect_from_title_source (object, app); disconnect_from_title_source (object, app);
} else if (GES_IS_TIMELINE_TEST_SOURCE (object)) {
disconnect_from_test_source (object, app);
} }
} }