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167 lines
5.9 KiB
C++
167 lines
5.9 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.org 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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* Original Author: David W. Hyatt (hyatt@netscape.com)
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* Dean Tessman <dean_tessman@hotmail.com>
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* Dan Rosen <dr@netscape.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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//
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// nsMenuBarFrame
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//
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#ifndef nsMenuBarFrame_h__
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#define nsMenuBarFrame_h__
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#include "prtypes.h"
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#include "nsIAtom.h"
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#include "nsCOMPtr.h"
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#include "nsBoxFrame.h"
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#include "nsMenuBarListener.h"
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#include "nsMenuListener.h"
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#include "nsIMenuParent.h"
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#include "nsIWidget.h"
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class nsIContent;
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class nsIMenuFrame;
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nsIFrame* NS_NewMenuBarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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class nsMenuBarFrame : public nsBoxFrame, public nsIMenuParent
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{
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public:
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nsMenuBarFrame(nsIPresShell* aShell, nsStyleContext* aContext);
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virtual ~nsMenuBarFrame();
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NS_DECL_ISUPPORTS
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// nsIMenuParentInterface
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virtual nsIMenuFrame* GetCurrentMenuItem();
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NS_IMETHOD SetCurrentMenuItem(nsIMenuFrame* aMenuItem);
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virtual nsIMenuFrame* GetNextMenuItem(nsIMenuFrame* aStart);
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virtual nsIMenuFrame* GetPreviousMenuItem(nsIMenuFrame* aStart);
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NS_IMETHOD SetActive(PRBool aActiveFlag);
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NS_IMETHOD GetIsActive(PRBool& isActive) { isActive = IsActive(); return NS_OK; };
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NS_IMETHOD IsMenuBar(PRBool& isMenuBar) { isMenuBar = PR_TRUE; return NS_OK; };
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NS_IMETHOD ConsumeOutsideClicks(PRBool& aConsumeOutsideClicks) \
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{aConsumeOutsideClicks = PR_FALSE; return NS_OK;};
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NS_IMETHOD ClearRecentlyRolledUp();
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NS_IMETHOD RecentlyRolledUp(nsIMenuFrame *aMenuFrame, PRBool *aJustRolledUp);
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NS_IMETHOD SetIsContextMenu(PRBool aIsContextMenu) { return NS_OK; };
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NS_IMETHOD GetIsContextMenu(PRBool& aIsContextMenu) { aIsContextMenu = PR_FALSE; return NS_OK; };
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NS_IMETHOD GetParentPopup(nsIMenuParent** aResult) { *aResult = nsnull;
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return NS_OK;};
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NS_IMETHOD IsActive() { return mIsActive; };
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NS_IMETHOD IsOpen();
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NS_IMETHOD KillPendingTimers();
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NS_IMETHOD CancelPendingTimers() { return NS_OK; };
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// Closes up the chain of open cascaded menus.
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NS_IMETHOD DismissChain();
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// Hides the chain of cascaded menus without closing them up.
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NS_IMETHOD HideChain();
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NS_IMETHOD InstallKeyboardNavigator();
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NS_IMETHOD RemoveKeyboardNavigator();
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NS_IMETHOD GetWidget(nsIWidget **aWidget);
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// The dismissal listener gets created and attached to the window.
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NS_IMETHOD AttachedDismissalListener() { return NS_OK; }
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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virtual void Destroy();
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// Non-interface helpers
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// Called when a menu on the menu bar is clicked on.
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void ToggleMenuActiveState();
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// Used to move up, down, left, and right in menus.
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NS_IMETHOD KeyboardNavigation(PRUint32 aKeyCode, PRBool& aHandledFlag);
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NS_IMETHOD ShortcutNavigation(nsIDOMKeyEvent* aKeyEvent, PRBool& aHandledFlag);
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// Called when the ESC key is held down to close levels of menus.
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NS_IMETHOD Escape(PRBool& aHandledFlag);
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// Called to execute a menu item.
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NS_IMETHOD Enter();
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// Used to handle ALT+key combos
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nsIMenuFrame* FindMenuWithShortcut(nsIDOMKeyEvent* aKeyEvent);
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PRBool IsValidItem(nsIContent* aContent);
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PRBool IsDisabled(nsIContent* aContent);
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virtual PRBool IsFrameOfType(PRUint32 aFlags) const
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{
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// Override bogus IsFrameOfType in nsBoxFrame.
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if (aFlags & (nsIFrame::eReplacedContainsBlock | nsIFrame::eReplaced))
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return PR_FALSE;
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return nsBoxFrame::IsFrameOfType(aFlags);
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}
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const
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{
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return MakeFrameName(NS_LITERAL_STRING("MenuBar"), aResult);
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}
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#endif
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protected:
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nsMenuBarListener* mMenuBarListener; // The listener that tells us about key and mouse events.
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nsMenuListener* mKeyboardNavigator;
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PRBool mIsActive; // Whether or not the menu bar is active (a menu item is highlighted or shown).
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nsIMenuFrame* mCurrentMenu; // The current menu that is active.
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// Can contain a menu that was rolled up via nsIMenuDismissalListener::Rollup()
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// if nothing has happened since the last click. Otherwise, contains nsnull.
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nsIMenuFrame* mRecentRollupMenu;
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nsIDOMEventReceiver* mTarget;
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private:
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PRBool mCaretWasVisible;
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}; // class nsMenuBarFrame
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#endif
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