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disable properties editor when nothing is selected

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Brandon Lewis 2010-07-21 15:23:18 +02:00 committed by Edward Hervey
parent 0767ac5e92
commit 64d09470d0
1 changed files with 18 additions and 1 deletions
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19
tests/examples/ges-ui.c
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@ -30,6 +30,7 @@ typedef struct App
GtkWidget *main_window;
GtkListStore *model;
GtkTreeSelection *selection;
GtkWidget *properties;
} App;
App *app_new (void);
@ -50,6 +51,8 @@ void delete_item_activate_cb (GtkMenuItem * item, App * app);
void add_file_item_activate_cb (GtkMenuItem * item, App * app);
void app_selection_changed_cb (GtkTreeSelection * selection, App * app);
gboolean create_ui (App * app);
static gboolean find_row_for_object (GtkListStore * model, GtkTreeIter * ret,
@ -88,6 +91,16 @@ add_file_item_activate_cb (GtkMenuItem * item, App * app)
app_add_file (app, (gchar *) "/home/brandon/media/small-mvi_0008.avi");
}
void
app_selection_changed_cb (GtkTreeSelection * selection, App * app)
{
int n;
n = gtk_tree_selection_count_selected_rows (selection);
/* some widgets should be disabled when we have an empty selection */
gtk_widget_set_sensitive (app->properties, n > 0);
}
/* application methods ******************************************************/
static void selection_foreach (GtkTreeModel * model, GtkTreePath * path,
@ -282,8 +295,9 @@ create_ui (App * app)
app->main_window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
app->model =
gtk_list_store_new (3, G_TYPE_STRING, G_TYPE_UINT64, G_TYPE_OBJECT);
app->properties = GTK_WIDGET (gtk_builder_get_object (builder, "properties"));
if (!(app->main_window && app->model && timeline)) {
if (!(app->main_window && app->model && timeline && app->properties)) {
g_print ("Could not retrieve all widgets from the XML");
goto fail;
}
@ -293,6 +307,9 @@ create_ui (App * app)
if (!app->selection)
goto fail;
g_signal_connect (app->selection, "changed",
G_CALLBACK (app_selection_changed_cb), app);
gtk_tree_view_set_model (timeline, GTK_TREE_MODEL (app->model));
gtk_builder_connect_signals (builder, app);