C++ GTK_IS_ACTION函数代码示例

/**
 * xviewer_properties_dialog_new:
 * @parent: 
 * @thumbview: 
 * @next_image_action: 
 * @previous_image_action: 
 *
 * 
 *
 * Returns: (transfer full) (type XviewerPropertiesDialog): a new #XviewerPropertiesDialog
 **/
GtkWidget *
xviewer_properties_dialog_new (GtkWindow    *parent,
			   XviewerThumbView *thumbview,
			   GtkAction    *next_image_action,
			   GtkAction    *previous_image_action)
{
	GObject *prop_dlg;

	g_return_val_if_fail (GTK_IS_WINDOW (parent), NULL);
	g_return_val_if_fail (XVIEWER_IS_THUMB_VIEW (thumbview), NULL);
	g_return_val_if_fail (GTK_IS_ACTION (next_image_action), NULL);
	g_return_val_if_fail (GTK_IS_ACTION (previous_image_action), NULL);

	prop_dlg = g_object_new (XVIEWER_TYPE_PROPERTIES_DIALOG,
			     	 "thumbview", thumbview,
				 "next-action", next_image_action,
				 "prev-action", previous_image_action,
			     	 NULL);

	if (parent) {
		gtk_window_set_transient_for (GTK_WINDOW (prop_dlg), parent);
	}

	return GTK_WIDGET (prop_dlg);
}

static void
on_key_import_keyring (GtkAction* action, SeahorseCatalog* self)
{
	GCancellable *cancellable;
	SeahorsePgpBackend *backend;
	SeahorseGpgmeKeyring *keyring;
	GList* objects;

	g_return_if_fail (SEAHORSE_IS_CATALOG (self));
	g_return_if_fail (GTK_IS_ACTION (action));

	objects = seahorse_catalog_get_selected_objects (self);
	objects = objects_prune_non_exportable (objects);

	/* No objects, nothing to do */
	if (objects == NULL)
		return;

	cancellable = g_cancellable_new ();
	backend = seahorse_pgp_backend_get ();
	keyring = seahorse_pgp_backend_get_default_keyring (NULL);
	seahorse_pgp_backend_transfer_async (backend, objects, SEAHORSE_PLACE (keyring),
	                                     cancellable, on_import_complete, g_object_ref (self));
	seahorse_progress_show (cancellable, _ ("Importing keys from key servers"), TRUE);
	g_object_unref (cancellable);

	g_list_free (objects);
}

static void 
on_remote_find (GtkAction* action, SeahorseKeyserverResults* self) 
{
	g_return_if_fail (SEAHORSE_IS_KEYSERVER_RESULTS (self));
	g_return_if_fail (GTK_IS_ACTION (action));
	seahorse_keyserver_search_show (seahorse_viewer_get_window (SEAHORSE_VIEWER (self)));
}

void
gl_ui_cmd_file_print (GtkAction *action,
                      glWindow  *window)
{
        glPrintOpDialog         *op;
        GtkPrintOperationResult  result;

        gl_debug (DEBUG_COMMANDS, "START");

        g_return_if_fail (action && GTK_IS_ACTION(action));
        g_return_if_fail (window && GL_IS_WINDOW(window));

        op = gl_print_op_dialog_new (GL_VIEW(window->view)->label);

        if (window->print_settings)
        {
                gl_print_op_set_settings (GL_PRINT_OP (op), window->print_settings);
        }

        result = gtk_print_operation_run (GTK_PRINT_OPERATION (op),
                                          GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
                                          GTK_WINDOW (window),
                                          NULL);

        if ( result == GTK_PRINT_OPERATION_RESULT_APPLY )
        {
                gl_print_op_free_settings (window->print_settings);
                window->print_settings = gl_print_op_get_settings (GL_PRINT_OP (op));
        }

        gl_debug (DEBUG_COMMANDS, "END");
}

void
gl_ui_cmd_objects_merge_properties (GtkAction *action,
                                    glWindow  *window)

{
        gl_debug (DEBUG_COMMANDS, "START");
        
        g_return_if_fail (action && GTK_IS_ACTION(action));
        g_return_if_fail (window && GL_IS_WINDOW(window));

        if (window->merge_dialog) {

                gtk_window_present (GTK_WINDOW(window->merge_dialog));
                gtk_window_set_transient_for (GTK_WINDOW (window->merge_dialog),
                                              GTK_WINDOW (window));

        } else {

                window->merge_dialog =
                        g_object_ref (
                                gl_merge_properties_dialog_new (GL_VIEW(window->view)->label,
                                                                GTK_WINDOW(window)) );

                g_signal_connect (G_OBJECT(window->merge_dialog), "destroy",
                                  G_CALLBACK (gtk_widget_destroyed),
                                  &window->merge_dialog);

                gtk_widget_show (GTK_WIDGET (window->merge_dialog));

        }

        gl_debug (DEBUG_COMMANDS, "END");
}

void
gl_ui_cmd_edit_preferences (GtkAction *action,
                            glWindow  *window)
{
        static GtkWidget *dialog = NULL;

        gl_debug (DEBUG_COMMANDS, "START");

        g_return_if_fail (action && GTK_IS_ACTION(action));
        g_return_if_fail (window && GL_IS_WINDOW(window));

        if (dialog != NULL)
        {
                gtk_window_present (GTK_WINDOW (dialog));
                gtk_window_set_transient_for (GTK_WINDOW (dialog),        
                                              GTK_WINDOW(window));

        } else {
                
                dialog = gl_prefs_dialog_new (GTK_WINDOW(window));

                g_signal_connect (G_OBJECT (dialog), "destroy",
                                  G_CALLBACK (gtk_widget_destroyed), &dialog);
        
                gtk_widget_show (dialog);

        }

        gl_debug (DEBUG_COMMANDS, "END");
}

static void 
on_view_collapse_all (GtkAction* action, SeahorseKeyserverResults* self) 
{
	g_return_if_fail (SEAHORSE_IS_KEYSERVER_RESULTS (self));
	g_return_if_fail (GTK_IS_ACTION (action));
	gtk_tree_view_collapse_all (self->pv->view);
}

static void 
on_app_close (GtkAction* action, SeahorseKeyserverResults* self) 
{
	g_return_if_fail (SEAHORSE_IS_KEYSERVER_RESULTS (self));
	g_return_if_fail (action == NULL || GTK_IS_ACTION (action));
	seahorse_widget_destroy (SEAHORSE_WIDGET (self));
}

void 
gl_ui_cmd_help_contents (GtkAction *action,
                         glWindow  *window)
{
        GError *error = NULL;

        gl_debug (DEBUG_COMMANDS, "START");

        g_return_if_fail (action && GTK_IS_ACTION(action));
        g_return_if_fail (window && GL_IS_WINDOW(window));

        gtk_show_uri (gtk_widget_get_screen (GTK_WIDGET (window)),
                      "ghelp:glabels-3.0",
                      gtk_get_current_event_time(),
                      &error);
        
        if (error != NULL)
        {
                g_message ("%s", error->message);

                g_error_free (error);
        }

        gl_debug (DEBUG_COMMANDS, "END");
}

void
gnac_ui_utils_set_action_visible(GtkBuilder  *builder,
                                 const gchar *action_name,
                                 gboolean     visible)
{
  GtkAction *action = gnac_ui_utils_get_action(builder, action_name);
  if (GTK_IS_ACTION(action)) gtk_action_set_visible(action, visible);
}

/** The user has selected one of the items added by this plugin.
 *  Invoke the callback function that was registered along with the
 *  menu item.
 *
 *  @param action A pointer to the action selected by the user.  This
 *  action represents one of the items in the file history menu.
 *
 *  @param data A pointer to the gnc-main-window data to be used by
 *  this function.  This is mainly to find out which window it was
 *  that had a menu selected.
 */
static void
gnc_plugin_menu_additions_action_cb (GtkAction *action,
                                     GncMainWindowActionData *data)
{

    g_return_if_fail(GTK_IS_ACTION(action));
    g_return_if_fail(data != NULL);

    gnc_extension_invoke_cb(data->data, gnc_main_window_to_scm(data->window));
}

static void
thunar_history_action_forward (GtkAction     *action,
                               ThunarHistory *history)
{
  _thunar_return_if_fail (GTK_IS_ACTION (action));
  _thunar_return_if_fail (THUNAR_IS_HISTORY (history));

  /* go forward one step */
  thunar_history_go_forward (history, 1);
}