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only allow transitions to be added when the last object isn't a transition

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Brandon Lewis 2010-08-03 19:31:23 +02:00 committed by Edward Hervey
parent 6da49412d3
commit 004e30a72c
2 changed files with 41 additions and 1 deletions
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41
tests/examples/ges-ui.c
View file

@ -72,6 +72,8 @@ void app_add_title (App * app);
void app_add_test (App * app);
void app_add_transition (App * app);
GList *app_get_selected_objects (App * app);
void app_delete_objects (App * app, GList * objects);
@ -92,6 +94,8 @@ void add_text_activate_cb (GtkAction * item, App * app);
void add_test_activate_cb (GtkAction * item, App * app);
void add_transition_activate_cb (GtkAction * item, App * app);
void app_selection_changed_cb (GtkTreeSelection * selection, App * app);
void app_toggle_playback (App * app);
@ -150,7 +154,8 @@ static void
update_add_transition_sensitivity (App * app)
{
gtk_action_set_sensitive (app->add_transition,
(app->can_add_transition) && (app->state != GST_STATE_PLAYING));
(app->can_add_transition) &&
(app->state != GST_STATE_PLAYING) && (app->n_objects));
}
/* UI callbacks ************************************************************/
@ -215,6 +220,12 @@ add_test_activate_cb (GtkAction * item, App * app)
app_add_test (app);
}
void
add_transition_activate_cb (GtkAction * item, App * app)
{
app_add_transition (app);
}
void
play_activate_cb (GtkAction * item, App * app)
{
@ -570,6 +581,21 @@ app_add_test (App * app)
(app->layer), obj, -1);
}
void
app_add_transition (App * app)
{
GESTimelineObject *obj;
GST_DEBUG ("adding transition");
obj = GES_TIMELINE_OBJECT (ges_timeline_transition_new
(GES_VIDEO_TRANSITION_TYPE_CROSSFADE));
g_object_set (G_OBJECT (obj), "duration", GST_SECOND, NULL);
ges_simple_timeline_layer_add_object (GES_SIMPLE_TIMELINE_LAYER
(app->layer), obj, -1);
}
App *
app_new (void)
{
@ -738,12 +764,19 @@ layer_object_added_cb (GESTimelineLayer * layer, GESTimelineObject * object,
gtk_list_store_set (app->model, &iter, 2, object, 0, "Test Source", -1);
}
else if (GES_IS_TIMELINE_TRANSITION (object)) {
gtk_list_store_set (app->model, &iter, 2, object, 0, "Transition", -1);
}
g_signal_connect (G_OBJECT (object), "notify::duration",
G_CALLBACK (timeline_object_notify_duration_cb), app);
timeline_object_notify_duration_cb (object, NULL, app);
app->n_objects++;
object_count_changed (app);
app->can_add_transition = !GES_IS_TIMELINE_TRANSITION (object);
update_add_transition_sensitivity (app);
}
static void
@ -751,6 +784,7 @@ layer_object_removed_cb (GESTimelineLayer * layer, GESTimelineObject * object,
App * app)
{
GtkTreeIter iter;
GList *tmp;
GST_INFO ("layer object removed cb %p %p %p", layer, object, app);
@ -762,6 +796,11 @@ layer_object_removed_cb (GESTimelineLayer * layer, GESTimelineObject * object,
object_count_changed (app);
gtk_list_store_remove (app->model, &iter);
tmp = g_list_last (GES_SIMPLE_TIMELINE_LAYER (app->layer)->objects);
if (tmp) {
app->can_add_transition = !GES_IS_TIMELINE_TRANSITION (tmp->data);
}
update_add_transition_sensitivity (app);
}
static void

1
tests/examples/ges-ui.glade
View file

@ -825,5 +825,6 @@
<property name="label">Add Transtion</property>
<property name="short_label">Add Transition</property>
<property name="icon_name">media-playlist-shuffle</property>
<signal name="activate" handler="add_transition_activate_cb"/>
</object>
</interface>