639 lines
19 KiB
C++
639 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsMenu.h"
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#include "nsIMenu.h"
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#include "nsIMenuBar.h"
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#include "nsIMenuItem.h"
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#include "nsString.h"
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#include "nsStringUtil.h"
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#include "nsIMenuListener.h"
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#if defined(XP_MAC)
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#include <Appearance.h>
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#include <TextUtils.h>
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#include <ToolUtils.h>
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#include <Devices.h>
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#include <UnicodeConverter.h>
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#include <Fonts.h>
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#endif
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kIMenuIID, NS_IMENU_IID);
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static NS_DEFINE_IID(kIMenuBarIID, NS_IMENUBAR_IID);
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static NS_DEFINE_IID(kIMenuItemIID, NS_IMENUITEM_IID);
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#ifdef APPLE_MENU_HACK
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const PRInt16 kAppleMenuID = 1;
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const PRInt16 kMacMenuID = 2;
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#else
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const PRInt16 kMacMenuID = 1;
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#endif /* APPLE_MENU_HACK */
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PRInt16 mMacMenuIDCount = kMacMenuID;
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nsresult nsMenu::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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*aInstancePtr = NULL;
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if (aIID.Equals(kIMenuIID)) {
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*aInstancePtr = (void*)(nsIMenu*) this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(kISupportsIID)) {
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*aInstancePtr = (void*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(kIMenuListenerIID)) {
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*aInstancePtr = (void*) ((nsIMenuListener*)this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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NS_IMPL_ADDREF(nsMenu)
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NS_IMPL_RELEASE(nsMenu)
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//-------------------------------------------------------------------------
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//
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// nsMenu constructor
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//
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//-------------------------------------------------------------------------
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nsMenu::nsMenu() : nsIMenu()
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{
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NS_INIT_REFCNT();
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mNumMenuItems = 0;
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mMenuParent = nsnull;
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mMenuBarParent = nsnull;
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mMacMenuID = 0;
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mMacMenuHandle = nsnull;
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mListener = nsnull;
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//
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// create a multi-destination Unicode converter which can handle all of the installed
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// script systems
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//
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OSErr err = ::CreateUnicodeToTextRunInfoByScriptCode(0,NULL,&mUnicodeTextRunConverter);
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NS_ASSERTION(err==noErr,"nsMenu::nsMenu: CreateUnicodeToTextRunInfoByScriptCode failed.");
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}
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//-------------------------------------------------------------------------
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//
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// nsMenu destructor
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//
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//-------------------------------------------------------------------------
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nsMenu::~nsMenu()
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{
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OSErr err;
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NS_IF_RELEASE(mListener);
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while(mNumMenuItems)
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{
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--mNumMenuItems;
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if(mMenuItemVoidArray[mNumMenuItems]) {
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// Figure out what we're releasing
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nsIMenuItem * menuitem = nsnull;
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((nsISupports*)mMenuItemVoidArray[mNumMenuItems])->QueryInterface(kIMenuItemIID, (void**) &menuitem);
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if(menuitem)
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{
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// case menuitem
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menuitem->Release(); // Release our hold
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NS_IF_RELEASE(menuitem); // Balance QI
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}
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else
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{
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nsIMenu * menu = nsnull;
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((nsISupports*)mMenuItemVoidArray[mNumMenuItems])->QueryInterface(kIMenuIID, (void**) &menu);
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if(menu)
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{
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// case menu
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menu->Release(); // Release our hold
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NS_IF_RELEASE(menu); // Balance QI
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}
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}
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}
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}
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err = ::DisposeUnicodeToTextRunInfo(&mUnicodeTextRunConverter);
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NS_ASSERTION(err==noErr,"nsMenu::~nsMenu: DisposeUnicodeToTextRunInfo failed.");
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}
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//-------------------------------------------------------------------------
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//
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// Create the proper widget
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//
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::Create(nsISupports *aParent, const nsString &aLabel)
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{
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if(aParent)
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{
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nsIMenuBar * menubar = nsnull;
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aParent->QueryInterface(kIMenuBarIID, (void**) &menubar);
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if(menubar)
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{
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mMenuBarParent = menubar;;
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NS_RELEASE(menubar); // Balance the QI
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}
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else
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{
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nsIMenu * menu = nsnull;
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aParent->QueryInterface(kIMenuIID, (void**) &menu);
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{
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mMenuParent = menu;
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NS_RELEASE(menu); // Balance the QI
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}
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}
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetParent(nsISupports*& aParent)
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{
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aParent = nsnull;
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if (nsnull != mMenuParent) {
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return mMenuParent->QueryInterface(kISupportsIID,(void**)&aParent);
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} else if (nsnull != mMenuBarParent) {
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return mMenuBarParent->QueryInterface(kISupportsIID,(void**)&aParent);
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}
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return NS_ERROR_FAILURE;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetLabel(nsString &aText)
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{
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aText = mLabel;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::SetLabel(const nsString &aText)
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{
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mLabel = aText;
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mMacMenuHandle = NSStringNewMenu(mMacMenuIDCount,mLabel);
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mMacMenuID = mMacMenuIDCount;
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mMacMenuIDCount++;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetAccessKey(nsString &aText)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::SetAccessKey(const nsString &aText)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddItem(nsISupports* aItem)
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{
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if(aItem)
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{
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// Figure out what we're adding
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nsIMenuItem * menuitem = nsnull;
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aItem->QueryInterface(kIMenuItemIID, (void**) &menuitem);
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if(menuitem)
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{
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// case menuitem
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AddMenuItem(menuitem);
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NS_RELEASE(menuitem);
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}
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else
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{
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nsIMenu * menu = nsnull;
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aItem->QueryInterface(kIMenuIID, (void**) &menu);
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if(menu)
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{
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// case menu
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AddMenu(menu);
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NS_RELEASE(menu);
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}
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}
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddMenuItem(nsIMenuItem * aMenuItem)
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{
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if(aMenuItem) {
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nsISupports * supports = nsnull;
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aMenuItem->QueryInterface(kISupportsIID, (void**)&supports);
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if(supports) {
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mMenuItemVoidArray.AppendElement(supports);
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nsString label;
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aMenuItem->GetLabel(label);
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mNumMenuItems++;
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Str255 tmp = "\pa";
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::InsertMenuItem(mMacMenuHandle, tmp, mNumMenuItems);
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NSStringSetMenuItemText(mMacMenuHandle, mNumMenuItems,label);
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}
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddMenu(nsIMenu * aMenu)
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{
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// Add a submenu
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if(aMenu) {
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nsISupports * supports = nsnull;
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aMenu->QueryInterface(kISupportsIID, (void**)&supports);
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if(supports) {
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mMenuItemVoidArray.AppendElement(supports);
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// We have to add it as a menu item and then associate it with the item
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nsString label;
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aMenu->GetLabel(label);
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mNumMenuItems++;
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::InsertMenuItem(mMacMenuHandle, "\p ", mNumMenuItems);
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NSStringSetMenuItemText(mMacMenuHandle, mNumMenuItems, label);
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MenuHandle menuHandle;
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aMenu->GetNativeData((void**)&menuHandle);
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::InsertMenu(menuHandle, hierMenu);
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PRInt16 temp = mMacMenuIDCount;
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::SetMenuItemHierarchicalID((MenuHandle) mMacMenuHandle, mNumMenuItems, --temp);
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}
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddSeparator()
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{
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// HACK - We're not really appending an nsMenuItem but it
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// needs to be here to make sure that event dispatching isn't off by one.
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mMenuItemVoidArray.AppendElement(nsnull);
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::InsertMenuItem(mMacMenuHandle, "\p(-", mNumMenuItems );
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mNumMenuItems++;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetItemCount(PRUint32 &aCount)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetItemAt(const PRUint32 aPos, nsISupports *& aMenuItem)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::InsertItemAt(const PRUint32 aPos, nsISupports * aMenuItem)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::RemoveItem(const PRUint32 aPos)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::RemoveAll()
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::GetNativeData(void ** aData)
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{
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*aData = mMacMenuHandle;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::AddMenuListener(nsIMenuListener * aMenuListener)
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{
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mListener = aMenuListener;
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//NS_ADDREF(mListener);
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::RemoveMenuListener(nsIMenuListener * aMenuListener)
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{
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if (aMenuListener == mListener) {
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//NS_IF_RELEASE(mListener);
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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//
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// nsIMenuListener interface
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//
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//-------------------------------------------------------------------------
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nsEventStatus nsMenu::MenuItemSelected(const nsMenuEvent & aMenuEvent)
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{
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nsEventStatus eventStatus = nsEventStatus_eIgnore;
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// Determine if this is the correct menu to handle the event
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PRInt16 menuID = HiWord(((nsMenuEvent)aMenuEvent).mCommand);
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if(mMacMenuID == menuID)
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{
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// Call MenuSelected on the correct nsMenuItem
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PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
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nsIMenuListener * menuListener = nsnull;
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((nsIMenuItem*)mMenuItemVoidArray[menuItemID-1])->QueryInterface(kIMenuListenerIID, &menuListener);
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if(menuListener) {
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eventStatus = menuListener->MenuSelected(aMenuEvent);
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NS_IF_RELEASE(menuListener);
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}
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}
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else
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{
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// Make sure none of our submenus are the ones that should be handling this
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for (int i = mMenuItemVoidArray.Count(); i > 0; i--)
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{
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if(nsnull != mMenuItemVoidArray[i-1])
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{
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nsIMenu * submenu = nsnull;
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((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuIID, &submenu);
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if(submenu)
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{
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nsIMenuListener * menuListener = nsnull;
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((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuListenerIID, &menuListener);
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if(menuListener){
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eventStatus = menuListener->MenuSelected(aMenuEvent);
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NS_IF_RELEASE(menuListener);
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if(nsEventStatus_eIgnore != eventStatus)
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return eventStatus;
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}
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}
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}
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}
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}
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return eventStatus;
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}
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nsEventStatus nsMenu::MenuSelected(const nsMenuEvent & aMenuEvent)
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{
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nsEventStatus eventStatus = nsEventStatus_eIgnore;
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// Determine if this is the correct menu to handle the event
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PRInt16 menuID = HiWord(((nsMenuEvent)aMenuEvent).mCommand);
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#ifdef APPLE_MENU_HACK
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if(kAppleMenuID == menuID)
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{
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PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
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if (menuItemID > 2) // don't handle the about or separator items yet
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{
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Str255 itemStr;
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::GetMenuItemText(GetMenuHandle(menuID), menuItemID, itemStr);
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#if !TARGET_CARBON
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::OpenDeskAcc(itemStr);
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#endif
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eventStatus = nsEventStatus_eConsumeNoDefault;
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}
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}
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else
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#endif
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if(mMacMenuID == menuID)
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{
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// Call MenuSelected on the correct nsMenuItem
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PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
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nsIMenuListener * menuListener = nsnull;
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((nsIMenuItem*)mMenuItemVoidArray[menuItemID-1])->QueryInterface(kIMenuListenerIID, &menuListener);
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if(menuListener) {
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eventStatus = menuListener->MenuSelected(aMenuEvent);
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NS_IF_RELEASE(menuListener);
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}
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}
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else
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{
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// Make sure none of our submenus are the ones that should be handling this
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for (int i = mMenuItemVoidArray.Count(); i > 0; i--)
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{
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if(nsnull != mMenuItemVoidArray[i-1])
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{
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nsIMenu * submenu = nsnull;
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((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuIID, &submenu);
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if(submenu)
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{
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nsIMenuListener * menuListener = nsnull;
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((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuListenerIID, &menuListener);
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if(menuListener){
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eventStatus = menuListener->MenuSelected(aMenuEvent);
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NS_IF_RELEASE(menuListener);
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if(nsEventStatus_eIgnore != eventStatus)
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return eventStatus;
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}
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}
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}
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}
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}
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return eventStatus;
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}
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//-------------------------------------------------------------------------
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nsEventStatus nsMenu::MenuDeselected(const nsMenuEvent & aMenuEvent)
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{
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return nsEventStatus_eIgnore;
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}
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//-------------------------------------------------------------------------
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nsEventStatus nsMenu::MenuConstruct(
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const nsMenuEvent & aMenuEvent,
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nsIWidget * aParentWindow,
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void * menuNode,
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void * aWebShell)
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{
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return nsEventStatus_eIgnore;
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}
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//-------------------------------------------------------------------------
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nsEventStatus nsMenu::MenuDestruct(const nsMenuEvent & aMenuEvent)
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{
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return nsEventStatus_eIgnore;
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}
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//-------------------------------------------------------------------------
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/**
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* Set DOMNode
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*
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*/
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NS_METHOD nsMenu::SetDOMNode(nsIDOMNode * aMenuNode)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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/**
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* Set DOMElement
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*
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*/
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NS_METHOD nsMenu::SetDOMElement(nsIDOMElement * aMenuElement)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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/**
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* Set WebShell
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*
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*/
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NS_METHOD nsMenu::SetWebShell(nsIWebShell * aWebShell)
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{
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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/**
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* Set WebShell
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*
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*/
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void nsMenu::NSStringSetMenuItemText(MenuHandle macMenuHandle, short menuItem, nsString& menuString)
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{
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OSErr err;
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const PRUnichar* unicodeText;
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char* scriptRunText;
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size_t unicodeTextLengthInBytes, unicdeTextReadInBytes,
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scriptRunTextSizeInBytes, scriptRunTextLengthInBytes,
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scriptCodeRunListLength;
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ScriptCodeRun convertedTextScript;
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short themeFontID;
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Str255 themeFontName;
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SInt16 themeFontSize;
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Style themeFontStyle;
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//
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// extract the Unicode text from the nsString and convert it into a single script run
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//
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unicodeText = menuString.GetUnicode();
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unicodeTextLengthInBytes = menuString.Length() * sizeof(PRUnichar);
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scriptRunTextSizeInBytes = unicodeTextLengthInBytes * 2;
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scriptRunText = new char[scriptRunTextSizeInBytes];
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err = ::ConvertFromUnicodeToScriptCodeRun(mUnicodeTextRunConverter,
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unicodeTextLengthInBytes,unicodeText,
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0, /* no flags*/
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0,NULL,NULL,NULL, /* no offset arrays */
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scriptRunTextSizeInBytes,&unicdeTextReadInBytes,&scriptRunTextLengthInBytes,
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scriptRunText,
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1 /* count of script runs*/,&scriptCodeRunListLength,&convertedTextScript);
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NS_ASSERTION(err==noErr,"nsMenu::NSStringSetMenuItemText: ConvertFromUnicodeToScriptCodeRun failed.");
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if (err!=noErr) { delete [] scriptRunText; return; }
|
|
scriptRunText[scriptRunTextLengthInBytes] = 0; // null terminate
|
|
|
|
//
|
|
// get a font from the script code
|
|
//
|
|
err = ::GetThemeFont(kThemeSystemFont,convertedTextScript.script,themeFontName,&themeFontSize,&themeFontStyle);
|
|
NS_ASSERTION(err==noErr,"nsMenu::NSStringSetMenuItemText: GetThemeFont failed.");
|
|
if (err!=noErr) { delete [] scriptRunText; return; }
|
|
::GetFNum(themeFontName,&themeFontID);
|
|
err = ::SetMenuItemFontID(macMenuHandle,menuItem,themeFontID);
|
|
NS_ASSERTION(err==noErr,"nsMenu::NSStringSetMenuItemText: SetMenuItemFontID failed.");
|
|
::SetMenuItemText(macMenuHandle,menuItem,c2pstr(scriptRunText));
|
|
|
|
|
|
//
|
|
// clean up and exit
|
|
//
|
|
delete [] scriptRunText;
|
|
|
|
}
|
|
|
|
MenuHandle nsMenu::NSStringNewMenu(short menuID, nsString& menuTitle)
|
|
{
|
|
OSErr err;
|
|
const PRUnichar* unicodeText;
|
|
char* scriptRunText;
|
|
size_t unicodeTextLengthInBytes, unicdeTextReadInBytes,
|
|
scriptRunTextSizeInBytes, scriptRunTextLengthInBytes,
|
|
scriptCodeRunListLength;
|
|
ScriptCodeRun convertedTextScript;
|
|
short themeFontID;
|
|
Str255 themeFontName;
|
|
SInt16 themeFontSize;
|
|
Style themeFontStyle;
|
|
MenuHandle newMenuHandle;
|
|
|
|
//
|
|
// extract the Unicode text from the nsString and convert it into a single script run
|
|
//
|
|
unicodeText = menuTitle.GetUnicode();
|
|
unicodeTextLengthInBytes = menuTitle.Length() * sizeof(PRUnichar);
|
|
scriptRunTextSizeInBytes = unicodeTextLengthInBytes * 2;
|
|
scriptRunText = new char[scriptRunTextSizeInBytes];
|
|
|
|
err = ::ConvertFromUnicodeToScriptCodeRun(mUnicodeTextRunConverter,
|
|
unicodeTextLengthInBytes,unicodeText,
|
|
0, /* no flags*/
|
|
0,NULL,NULL,NULL, /* no offset arrays */
|
|
scriptRunTextSizeInBytes,&unicdeTextReadInBytes,&scriptRunTextLengthInBytes,
|
|
scriptRunText,
|
|
1 /* count of script runs*/,&scriptCodeRunListLength,&convertedTextScript);
|
|
NS_ASSERTION(err==noErr,"nsMenu::NSStringNewMenu: ConvertFromUnicodeToScriptCodeRun failed.");
|
|
if (err!=noErr) { delete [] scriptRunText; return NULL; }
|
|
scriptRunText[scriptRunTextLengthInBytes] = 0; // null terminate
|
|
|
|
//
|
|
// get a font from the script code
|
|
//
|
|
err = ::GetThemeFont(kThemeSystemFont,convertedTextScript.script,themeFontName,&themeFontSize,&themeFontStyle);
|
|
NS_ASSERTION(err==noErr,"nsMenu::NSStringNewMenu: GetThemeFont failed.");
|
|
if (err!=noErr) { delete [] scriptRunText; return NULL; }
|
|
::GetFNum(themeFontName,&themeFontID);
|
|
newMenuHandle = ::NewMenu(menuID,c2pstr(scriptRunText));
|
|
NS_ASSERTION(newMenuHandle!=NULL,"nsMenu::NSStringNewMenu: NewMenu failed.");
|
|
if (newMenuHandle==NULL) { delete [] scriptRunText; return NULL; }
|
|
err = SetMenuFont(newMenuHandle,themeFontID,themeFontSize);
|
|
NS_ASSERTION(err==noErr,"nsMenu::NSStringNewMenu: SetMenuFont failed.");
|
|
if (err!=noErr) { delete [] scriptRunText; return NULL; }
|
|
|
|
//
|
|
// clean up and exit
|
|
//
|
|
delete [] scriptRunText;
|
|
return newMenuHandle;
|
|
|
|
}
|
|
|