зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.7 KiB
C++
67 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nsMenuParent_h___
|
|
#define nsMenuParent_h___
|
|
|
|
class nsMenuFrame;
|
|
|
|
/*
|
|
* nsMenuParent is an interface implemented by nsMenuBarFrame and nsMenuPopupFrame
|
|
* as both serve as parent frames to nsMenuFrame.
|
|
*
|
|
* Don't implement this interface on other classes unless you also fix up references,
|
|
* as this interface is directly cast to and from nsMenuBarFrame and nsMenuPopupFrame.
|
|
*/
|
|
|
|
class nsMenuParent {
|
|
|
|
public:
|
|
// returns the menu frame of the currently active item within the menu
|
|
virtual nsMenuFrame *GetCurrentMenuItem() = 0;
|
|
// sets the currently active menu frame.
|
|
NS_IMETHOD SetCurrentMenuItem(nsMenuFrame* aMenuItem) = 0;
|
|
// indicate that the current menu frame is being destroyed, so clear the
|
|
// current menu item
|
|
virtual void CurrentMenuIsBeingDestroyed() = 0;
|
|
// deselects the current item and closes its popup if any, then selects the
|
|
// new item aMenuItem. For a menubar, if another menu is already open, the
|
|
// new menu aMenuItem is opened. In this case, if aSelectFirstItem is true,
|
|
// select the first item in it. For menupopups, the menu is not opened and
|
|
// the aSelectFirstItem argument is not used.
|
|
NS_IMETHOD ChangeMenuItem(nsMenuFrame* aMenuItem, bool aSelectFirstItem) = 0;
|
|
|
|
// returns true if the menupopup is open. For menubars, returns false.
|
|
virtual bool IsOpen() = 0;
|
|
// returns true if the menubar is currently active. For menupopups, returns false.
|
|
virtual bool IsActive() = 0;
|
|
// returns true if this is a menubar. If false, it is a popup
|
|
virtual bool IsMenuBar() = 0;
|
|
// returns true if this is a menu, which has a tag of menupopup or popup.
|
|
// Otherwise, this returns false
|
|
virtual bool IsMenu() = 0;
|
|
// returns true if this is a context menu
|
|
virtual bool IsContextMenu() = 0;
|
|
|
|
// indicate that the menubar should become active or inactive
|
|
NS_IMETHOD SetActive(bool aActiveFlag) = 0;
|
|
|
|
// notify that the menu has been closed and any active state should be
|
|
// cleared. This should return true if the menu should be deselected
|
|
// by the caller.
|
|
virtual bool MenuClosed() = 0;
|
|
|
|
// Lock this menu and its parents until they're closed or unlocked.
|
|
// A menu being "locked" means that all events inside it that would change the
|
|
// selected menu item should be ignored.
|
|
// This is used when closing the popup is delayed because of a blink or fade
|
|
// animation.
|
|
virtual void LockMenuUntilClosed(bool aLock) = 0;
|
|
virtual bool IsMenuLocked() = 0;
|
|
};
|
|
|
|
#endif
|
|
|