166 lines
6.6 KiB
C++
166 lines
6.6 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: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsMenuX_h__
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#define nsMenuX_h__
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#include "nsCOMPtr.h"
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#include "nsIMenu.h"
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#include "nsSupportsArray.h"
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#include "nsIMenuListener.h"
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#include "nsIChangeManager.h"
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#include "nsWeakReference.h"
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#include <Menus.h>
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#include <UnicodeConverter.h>
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#include <CarbonEvents.h>
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class nsIMenuBar;
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class nsIMenuListener;
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//static PRInt16 mMacMenuIDCount; // use GetUniqueMenuID()
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extern PRInt16 mMacMenuIDCount;// = kMacMenuID;
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class nsMenuX : public nsIMenu,
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public nsIMenuListener,
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public nsIChangeObserver,
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public nsSupportsWeakReference
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{
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public:
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nsMenuX();
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virtual ~nsMenuX();
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NS_DECL_ISUPPORTS
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NS_DECL_NSICHANGEOBSERVER
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// nsIMenuListener methods
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nsEventStatus MenuItemSelected(const nsMenuEvent & aMenuEvent);
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nsEventStatus MenuSelected(const nsMenuEvent & aMenuEvent);
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nsEventStatus MenuDeselected(const nsMenuEvent & aMenuEvent);
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nsEventStatus MenuConstruct( const nsMenuEvent & aMenuEvent, nsIWidget * aParentWindow,
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void * menuNode, void * aWebShell);
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nsEventStatus MenuDestruct(const nsMenuEvent & aMenuEvent);
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nsEventStatus CheckRebuild(PRBool & aMenuEvent);
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nsEventStatus SetRebuild(PRBool aMenuEvent);
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// nsIMenu Methods
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NS_IMETHOD Create ( nsISupports * aParent, const nsAString &aLabel, const nsAString &aAccessKey,
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nsIChangeManager* aManager, nsIWebShell* aShell, nsIContent* aNode ) ;
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NS_IMETHOD GetParent(nsISupports *&aParent);
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NS_IMETHOD GetLabel(nsString &aText);
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NS_IMETHOD SetLabel(const nsAString &aText);
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NS_IMETHOD GetAccessKey(nsString &aText);
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NS_IMETHOD SetAccessKey(const nsAString &aText);
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NS_IMETHOD AddItem(nsISupports* aText);
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NS_IMETHOD AddSeparator();
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NS_IMETHOD GetItemCount(PRUint32 &aCount);
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NS_IMETHOD GetItemAt(const PRUint32 aPos, nsISupports *& aMenuItem);
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NS_IMETHOD InsertItemAt(const PRUint32 aPos, nsISupports * aMenuItem);
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NS_IMETHOD RemoveItem(const PRUint32 aPos);
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NS_IMETHOD RemoveAll();
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NS_IMETHOD GetNativeData(void** aData);
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NS_IMETHOD SetNativeData(void* aData);
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NS_IMETHOD AddMenuListener(nsIMenuListener * aMenuListener);
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NS_IMETHOD RemoveMenuListener(nsIMenuListener * aMenuListener);
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NS_IMETHOD GetMenuContent(nsIContent ** aMenuNode);
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NS_IMETHOD SetEnabled(PRBool aIsEnabled);
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NS_IMETHOD GetEnabled(PRBool* aIsEnabled);
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NS_IMETHOD IsHelpMenu(PRBool* aIsEnabled);
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//
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NS_IMETHOD AddMenuItem(nsIMenuItem * aMenuItem);
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NS_IMETHOD AddMenu(nsIMenu * aMenu);
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protected:
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// Determines how many menus are visible among the siblings that are before me.
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// It doesn't matter if I am visible.
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nsresult CountVisibleBefore ( PRUint32* outVisibleBefore ) ;
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// fetch the content node associated with the menupopup item
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void GetMenuPopupContent ( nsIContent** aResult ) ;
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// Insert a new item in this menu with index |inItemIndex| with the text |inItemLabel|,
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// middle-truncated to a certain pixel width with an elipsis.
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void InsertMenuItemWithTruncation ( nsAutoString & inItemLabel,
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PRUint32 inItemIndex ) ;
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// fire handlers for oncreate/ondestroy
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PRBool OnDestroy() ;
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PRBool OnCreate() ;
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PRBool OnDestroyed() ;
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PRBool OnCreated() ;
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void LoadMenuItem ( nsIMenu* pParentMenu, nsIContent* menuitemContent );
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void LoadSubMenu ( nsIMenu * pParentMenu, nsIContent* menuitemContent );
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void LoadSeparator ( nsIContent* menuitemContent );
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nsEventStatus HelpMenuConstruct( const nsMenuEvent & aMenuEvent, nsIWidget* aParentWindow,
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void* unused, void* aWebShell);
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MenuHandle NSStringNewMenu(short menuID, nsString& menuTitle);
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protected:
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nsString mLabel;
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PRUint32 mNumMenuItems;
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nsSupportsArray mMenuItemsArray; // array holds refs
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nsISupports* mParent; // weak, my parent owns me
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nsIChangeManager* mManager; // weak ref, it will outlive us [menubar]
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nsWeakPtr mWebShellWeakRef; // weak ref to webshell
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nsCOMPtr<nsIContent> mMenuContent; // the |menu| tag, strong ref
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nsCOMPtr<nsIMenuListener> mListener; // strong ref
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// MacSpecific
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PRInt16 mMacMenuID;
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MenuHandle mMacMenuHandle;
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PRInt16 mHelpMenuOSItemsCount;
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PRPackedBool mIsHelpMenu;
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PRPackedBool mIsEnabled;
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PRPackedBool mDestroyHandlerCalled;
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PRPackedBool mNeedsRebuild;
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PRPackedBool mConstructed;
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PRPackedBool mVisible; // are we visible to the user?
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EventHandlerRef mHandler; // our event handler
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};
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#endif // nsMenuX_h__
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