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Code Issues 1 Projects Releases Wiki Activity

also disallow moving past the start or end of timeline

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This commit is contained in:
Brandon Lewis 2010-08-04 18:25:24 +02:00 committed by Edward Hervey
parent 9e2352332a
commit d14f1f11c5
1 changed files with 24 additions and 2 deletions
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26
tests/examples/ges-ui.c
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@ -46,6 +46,8 @@ typedef struct App
int n_selected;
GList *selected_objects;
GType selected_type;
gboolean first_selected;
gboolean last_selected;
gboolean can_add_transition;
GstState state;
@ -150,8 +152,8 @@ update_move_up_down_sensitivity (App * app)
can_move = (app->n_selected == 1) &&
(app->state != GST_STATE_PLAYING) && (app->state != GST_STATE_PAUSED);
gtk_action_set_sensitive (app->move_up, can_move);
gtk_action_set_sensitive (app->move_down, can_move);
gtk_action_set_sensitive (app->move_up, can_move && (!app->first_selected));
gtk_action_set_sensitive (app->move_down, can_move && (!app->last_selected));
}
/* Backend callbacks ********************************************************/
@ -226,9 +228,28 @@ filesource_notify_in_point_cb (GESTimelineObject * object,
GES_TIMELINE_OBJECT_INPOINT (object));
}
static void
app_update_first_last_selected (App * app)
{
GtkTreePath *path;
/* keep track of whether the first or last items are selected */
path = gtk_tree_path_new_from_indices (0, -1);
app->first_selected =
gtk_tree_selection_path_is_selected (app->selection, path);
gtk_tree_path_free (path);
path = gtk_tree_path_new_from_indices (app->n_objects - 1, -1);
app->last_selected =
gtk_tree_selection_path_is_selected (app->selection, path);
gtk_tree_path_free (path);
}
static void
object_count_changed (App * app)
{
app_update_first_last_selected (app);
update_move_up_down_sensitivity (app);
gtk_action_set_sensitive (app->play, app->n_objects > 0);
}
@ -808,6 +829,7 @@ app_update_selection (App * app)
}
app->selected_type = type;
app_update_first_last_selected (app);
}
static void