2002-04-11 14:22:52 +00:00

174 lines
6.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsMenu_h__
#define nsMenu_h__
#include "nsCOMPtr.h"
#include "nsIMenu.h"
#include "nsSupportsArray.h"
#include "nsIMenuListener.h"
#include "nsIChangeManager.h"
#include "nsWeakReference.h"
#include <Menus.h>
#include <UnicodeConverter.h>
class nsIMenuBar;
class nsIMenuListener;
// temporary hack to get apple menu -- sfraser, approved saari
#define APPLE_MENU_HACK 1
#ifdef APPLE_MENU_HACK
extern const PRInt16 kMacMenuID;
extern const PRInt16 kAppleMenuID;
#endif /* APPLE_MENU_HACK */
//static PRInt16 mMacMenuIDCount; // use GetUniqueMenuID()
extern PRInt16 mMacMenuIDCount;// = kMacMenuID;
class nsMenu : public nsIMenu,
public nsIMenuListener,
public nsIChangeObserver,
public nsSupportsWeakReference
{
public:
nsMenu();
virtual ~nsMenu();
NS_DECL_ISUPPORTS
NS_DECL_NSICHANGEOBSERVER
// nsIMenuListener methods
nsEventStatus MenuItemSelected(const nsMenuEvent & aMenuEvent);
nsEventStatus MenuSelected(const nsMenuEvent & aMenuEvent);
nsEventStatus MenuDeselected(const nsMenuEvent & aMenuEvent);
nsEventStatus MenuConstruct( const nsMenuEvent & aMenuEvent, nsIWidget * aParentWindow,
void* unused, void * aWebShell);
nsEventStatus MenuDestruct(const nsMenuEvent & aMenuEvent);
nsEventStatus CheckRebuild(PRBool & aMenuEvent);
nsEventStatus SetRebuild(PRBool aMenuEvent);
// nsIMenu Methods
NS_IMETHOD Create ( nsISupports * aParent, const nsAString &aLabel, const nsAString &aAccessKey,
nsIChangeManager* aManager, nsIWebShell* aShell, nsIContent* aNode ) ;
NS_IMETHOD GetParent(nsISupports *&aParent);
NS_IMETHOD GetLabel(nsString &aText);
NS_IMETHOD SetLabel(const nsAString &aText);
NS_IMETHOD GetAccessKey(nsString &aText);
NS_IMETHOD SetAccessKey(const nsAString &aText);
NS_IMETHOD AddItem(nsISupports* aText);
NS_IMETHOD AddSeparator();
NS_IMETHOD GetItemCount(PRUint32 &aCount);
NS_IMETHOD GetItemAt(const PRUint32 aPos, nsISupports *& aMenuItem);
NS_IMETHOD InsertItemAt(const PRUint32 aPos, nsISupports * aMenuItem);
NS_IMETHOD RemoveItem(const PRUint32 aPos);
NS_IMETHOD RemoveAll();
NS_IMETHOD GetNativeData(void** aData);
NS_IMETHOD SetNativeData(void* aData);
NS_IMETHOD AddMenuListener(nsIMenuListener * aMenuListener);
NS_IMETHOD RemoveMenuListener(nsIMenuListener * aMenuListener);
NS_IMETHOD GetMenuContent(nsIContent ** aMenuNode);
NS_IMETHOD SetEnabled(PRBool aIsEnabled);
NS_IMETHOD GetEnabled(PRBool* aIsEnabled);
NS_IMETHOD IsHelpMenu(PRBool* aIsEnabled);
//
NS_IMETHOD AddMenuItem(nsIMenuItem * aMenuItem);
NS_IMETHOD AddMenu(nsIMenu * aMenu);
// MacSpecific
static PRInt16 GetUniqueMenuID()
{
if (mMacMenuIDCount == 32767)
mMacMenuIDCount = 256;
return mMacMenuIDCount++;
}
protected:
nsString mLabel;
PRUint32 mNumMenuItems;
nsSupportsArray mMenuItemsArray; // array holds refs
nsISupports* mParent; // weak, my parent owns me
nsIChangeManager* mManager; // weak ref, it will outlive us
nsWeakPtr mWebShellWeakRef; // weak ref to webshell
nsCOMPtr<nsIContent> mMenuContent; // the |menu| tag, strong ref
nsCOMPtr<nsIMenuListener> mListener;
bool mConstructed;
// MacSpecific
PRInt16 mMacMenuID;
MenuHandle mMacMenuHandle;
UnicodeToTextRunInfo mUnicodeTextRunConverter;
PRInt16 mHelpMenuOSItemsCount;
PRPackedBool mIsHelpMenu;
PRPackedBool mIsEnabled;
PRPackedBool mDestroyHandlerCalled;
PRPackedBool mNeedsRebuild;
nsresult GetNextVisibleMenu(nsIMenu** outNextVisibleMenu);
// fetch the content node associated with the menupopup item
void GetMenuPopupContent ( nsIContent** aResult ) ;
PRBool IsSpecialHierarchicalMenu ( PRInt32 inMenuId ) ;
// fire handlers for oncreate/ondestroy
PRBool OnDestroy() ;
PRBool OnCreate() ;
PRBool OnDestroyed() ;
PRBool OnCreated() ;
void LoadMenuItem ( nsIMenu* pParentMenu, nsIContent* menuitemContent);
void LoadSubMenu( nsIMenu * pParentMenu, nsIContent* menuitemContent);
nsEventStatus HelpMenuConstruct( const nsMenuEvent & aMenuEvent, nsIWidget* aParentWindow,
void* unused, void* aWebShell);
MenuHandle NSStringNewMenu(short menuID, nsString& menuTitle);
private:
};
#endif // nsMenu_h__