electron/shell/browser/ui/gtk/menu_gtk.cc

69 lines
1.9 KiB
C++

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "shell/browser/ui/gtk/menu_gtk.h"
#include <gtk/gtk.h>
#include "base/functional/bind.h"
#include "shell/browser/ui/gtk/menu_util.h"
#include "ui/base/models/menu_model.h"
namespace electron::gtkui {
MenuGtk::MenuGtk(ui::MenuModel* model)
: menu_model_(model), gtk_menu_(TakeGObject(gtk_menu_new())) {
if (menu_model_) {
BuildSubmenuFromModel(menu_model_, gtk_menu_,
base::BindRepeating(&MenuGtk::OnMenuItemActivated,
base::Unretained(this)),
&block_activation_, &signals_);
Refresh();
}
}
MenuGtk::~MenuGtk() {
gtk_widget_destroy(gtk_menu_);
}
void MenuGtk::Refresh() {
gtk_container_foreach(GTK_CONTAINER(gtk_menu_.get()), SetMenuItemInfo,
&block_activation_);
}
GtkMenu* MenuGtk::GetGtkMenu() {
return GTK_MENU(gtk_menu_.get());
}
void MenuGtk::OnMenuItemActivated(GtkWidget* menu_item) {
if (block_activation_)
return;
ui::MenuModel* model = ModelForMenuItem(GTK_MENU_ITEM(menu_item));
if (!model) {
// There won't be a model for "native" submenus like the "Input Methods"
// context menu. We don't need to handle activation messages for submenus
// anyway, so we can just return here.
DCHECK(gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu_item)));
return;
}
// The activate signal is sent to radio items as they get deselected;
// ignore it in this case.
if (GTK_IS_RADIO_MENU_ITEM(menu_item) &&
!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menu_item))) {
return;
}
int id;
if (!GetMenuItemID(menu_item, &id))
return;
// The menu item can still be activated by hotkeys even if it is disabled.
if (model->IsEnabledAt(id))
ExecuteCommand(model, id);
}
} // namespace electron::gtkui