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100 lines
4.2 KiB
C++
100 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dean Tessman <dean_tessman@hotmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsMenuParent_h___
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#define nsMenuParent_h___
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class nsMenuFrame;
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/*
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* nsMenuParent is an interface implemented by nsMenuBarFrame and nsMenuPopupFrame
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* as both serve as parent frames to nsMenuFrame.
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*
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* Don't implement this interface on other classes unless you also fix up references,
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* as this interface is directly cast to and from nsMenuBarFrame and nsMenuPopupFrame.
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*/
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class nsMenuParent {
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public:
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// returns the menu frame of the currently active item within the menu
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virtual nsMenuFrame *GetCurrentMenuItem() = 0;
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// sets the currently active menu frame.
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NS_IMETHOD SetCurrentMenuItem(nsMenuFrame* aMenuItem) = 0;
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// indicate that the current menu frame is being destroyed, so clear the
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// current menu item
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virtual void CurrentMenuIsBeingDestroyed() = 0;
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// deselects the current item and closes its popup if any, then selects the
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// new item aMenuItem. For a menubar, if another menu is already open, the
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// new menu aMenuItem is opened. In this case, if aSelectFirstItem is true,
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// select the first item in it. For menupopups, the menu is not opened and
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// the aSelectFirstItem argument is not used.
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NS_IMETHOD ChangeMenuItem(nsMenuFrame* aMenuItem, bool aSelectFirstItem) = 0;
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// returns true if the menupopup is open. For menubars, returns false.
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virtual bool IsOpen() = 0;
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// returns true if the menubar is currently active. For menupopups, returns false.
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virtual bool IsActive() = 0;
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// returns true if this is a menubar. If false, it is a popup
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virtual bool IsMenuBar() = 0;
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// returns true if this is a menu, which has a tag of menupopup or popup.
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// Otherwise, this returns false
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virtual bool IsMenu() = 0;
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// returns true if this is a context menu
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virtual bool IsContextMenu() = 0;
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// indicate that the menubar should become active or inactive
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NS_IMETHOD SetActive(bool aActiveFlag) = 0;
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// notify that the menu has been closed and any active state should be
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// cleared. This should return true if the menu should be deselected
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// by the caller.
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virtual bool MenuClosed() = 0;
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// Lock this menu and its parents until they're closed or unlocked.
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// A menu being "locked" means that all events inside it that would change the
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// selected menu item should be ignored.
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// This is used when closing the popup is delayed because of a blink or fade
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// animation.
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virtual void LockMenuUntilClosed(bool aLock) = 0;
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virtual bool IsMenuLocked() = 0;
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};
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#endif
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