685 lines
21 KiB
C++
685 lines
21 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 "nsContextMenu.h"
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#include "nsIContextMenu.h"
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#include "nsIMenu.h"
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#include "nsIMenuItem.h"
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#include "nsIMenuListener.h"
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#include "nsCOMPtr.h"
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#include "nsIComponentManager.h"
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#include "nsMenu.h" // for mMacMenuIDCount
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#include "nsString.h"
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#include "nsStringUtil.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 <Menus.h>
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kIContextMenuIID, NS_ICONTEXTMENU_IID);
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static NS_DEFINE_IID(kIMenuIID, NS_IMENU_IID);
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static NS_DEFINE_IID(kIMenuItemIID, NS_IMENUITEM_IID);
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// CIDs
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#include "nsWidgetsCID.h"
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static NS_DEFINE_IID(kMenuBarCID, NS_MENUBAR_CID);
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static NS_DEFINE_IID(kMenuCID, NS_MENU_CID);
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static NS_DEFINE_IID(kMenuItemCID, NS_MENUITEM_CID);
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nsresult nsContextMenu::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(kIContextMenuIID)) {
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*aInstancePtr = (void*)(nsIContextMenu*) 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(nsContextMenu)
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NS_IMPL_RELEASE(nsContextMenu)
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//-------------------------------------------------------------------------
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//
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// nsContextMenu constructor
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//
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//-------------------------------------------------------------------------
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nsContextMenu::nsContextMenu() : nsIContextMenu()
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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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mMacMenuID = 0;
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mMacMenuHandle = nsnull;
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mListener = nsnull;
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mX = 0;
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mY = 0;
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mDOMNode = nsnull;
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mWebShell = 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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// nsContextMenu destructor
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//
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//-------------------------------------------------------------------------
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nsContextMenu::~nsContextMenu()
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{
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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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mMacMenuIDCount--;
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OSErr 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 nsContextMenu::Create(nsISupports *aParent, const nsString& anAlignment,
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const nsString& anAnchorAlignment)
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{
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mParent = aParent;
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mMacMenuHandle = ::NewMenu(mMacMenuIDCount, "\p");
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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 nsContextMenu::GetParent(nsISupports*& aParent)
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{
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aParent = nsnull;
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if (mParent) {
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return mParent->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 nsContextMenu::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 nsContextMenu::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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nsString labelHack = " ";
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nsString tmp = "-";
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aMenuItem->GetLabel(label);
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PRUnichar slash = tmp.CharAt(0);
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char* menuLabel;
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if(label[0] == slash) {
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labelHack.Append(label);
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menuLabel = labelHack.ToNewCString();
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} else {
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menuLabel = label.ToNewCString();
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}
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mNumMenuItems++;
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::InsertMenuItem(mMacMenuHandle, (const unsigned char *)" ", mNumMenuItems);
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::SetMenuItemText(mMacMenuHandle, mNumMenuItems, c2pstr(menuLabel));
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delete[] menuLabel;
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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 nsContextMenu::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 nsContextMenu::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 nsContextMenu::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 nsContextMenu::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 nsContextMenu::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 nsContextMenu::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 nsContextMenu::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 nsContextMenu::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 nsContextMenu::AddMenuListener(nsIMenuListener * aMenuListener)
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{
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mListener = aMenuListener;
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsContextMenu::RemoveMenuListener(nsIMenuListener * aMenuListener)
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{
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if (aMenuListener == 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 nsContextMenu::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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PRInt16 menuID = mSelectedMenuID;
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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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PRInt16 menuItemID = mSelectedMenuItem;
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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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PRInt16 menuItemID = mSelectedMenuItem;
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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 nsContextMenu::MenuSelected(const nsMenuEvent & aMenuEvent)
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{
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nsEventStatus eventStatus = nsEventStatus_eIgnore;
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// Put context menu in the menu list
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::InsertMenu(mMacMenuHandle, -1);
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// Call MenuConstruct
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MenuConstruct(
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aMenuEvent,
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mParentWindow,
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mDOMNode,
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mWebShell);
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// Display and track the menu
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Point location;
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location.h = mX;
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location.v = mY;
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UInt32 outUserSelectionType;
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ConstStr255Param inHelpItemString;
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::ContextualMenuSelect (
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mMacMenuHandle,
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location,
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false,
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kCMHelpItemNoHelp,
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inHelpItemString,
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0, //const AEDesc* inSelection, We should really be constructing this
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& outUserSelectionType,
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& mSelectedMenuID,
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& mSelectedMenuItem);
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//ContextualMenuSelect (MenuHandle inMenu,
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// Point inGlobalLocation,
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// Boolean inReserved,
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// UInt32 inHelpType,
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// ConstStr255Param inHelpItemString,
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// const AEDesc * inSelection,
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// UInt32 * outUserSelectionType,
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// SInt16 * outMenuID,
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// UInt16 * outMenuItem) TWOWORDINLINE(0x7003, 0xAA72);
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if(outUserSelectionType != kCMNothingSelected) {
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MenuItemSelected(aMenuEvent);
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}
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return eventStatus;
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}
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//-------------------------------------------------------------------------
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nsEventStatus nsContextMenu::MenuDeselected(const nsMenuEvent & aMenuEvent)
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{
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// Remove the context menu from the menu list
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::DeleteMenu(mMacMenuID);
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// Call MenuDestruct
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MenuDestruct(aMenuEvent);
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return nsEventStatus_eIgnore;
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}
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//-------------------------------------------------------------------------
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nsEventStatus nsContextMenu::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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// Construct the menu
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nsCOMPtr<nsIDOMNode> menuitemNode;
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((nsIDOMNode*)mDOMNode)->GetFirstChild(getter_AddRefs(menuitemNode));
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unsigned short menuIndex = 0;
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while (menuitemNode) {
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nsCOMPtr<nsIDOMElement> menuitemElement(do_QueryInterface(menuitemNode));
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if (menuitemElement) {
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nsString menuitemNodeType;
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nsString menuitemName;
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menuitemElement->GetNodeName(menuitemNodeType);
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if (menuitemNodeType.Equals("menuitem")) {
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// LoadMenuItem
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LoadMenuItem(this, menuitemElement, menuitemNode, menuIndex, (nsIWebShell*)aWebShell);
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} else if (menuitemNodeType.Equals("menuseparator")) {
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AddSeparator();
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} else if (menuitemNodeType.Equals("menu")) {
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// Load a submenu
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LoadSubMenu(this, menuitemElement, menuitemNode);
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}
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}
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++menuIndex;
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nsCOMPtr<nsIDOMNode> oldmenuitemNode(menuitemNode);
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oldmenuitemNode->GetNextSibling(getter_AddRefs(menuitemNode));
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} // end menu item innner loop
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return nsEventStatus_eIgnore;
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}
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//-------------------------------------------------------------------------
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nsEventStatus nsContextMenu::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 Location
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*
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*/
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NS_METHOD nsContextMenu::SetLocation(PRInt32 aX, PRInt32 aY)
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{
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mX = aX;
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mY = aY;
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return NS_OK;
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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 nsContextMenu::SetDOMNode(nsIDOMNode * aMenuNode)
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{
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mDOMNode = aMenuNode;
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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 nsContextMenu::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 nsContextMenu::SetWebShell(nsIWebShell * aWebShell)
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{
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mWebShell = aWebShell;
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return NS_OK;
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}
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//----------------------------------------
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void nsContextMenu::LoadMenuItem(
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nsIContextMenu * pParentMenu,
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nsIDOMElement * menuitemElement,
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nsIDOMNode * menuitemNode,
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unsigned short menuitemIndex,
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nsIWebShell * aWebShell)
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{
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static const char* NS_STRING_TRUE = "true";
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nsString disabled;
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nsString menuitemName;
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nsString menuitemCmd;
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menuitemElement->GetAttribute(nsAutoString("disabled"), disabled);
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menuitemElement->GetAttribute(nsAutoString("value"), menuitemName);
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menuitemElement->GetAttribute(nsAutoString("cmd"), menuitemCmd);
|
|
// Create nsMenuItem
|
|
nsIMenuItem * pnsMenuItem = nsnull;
|
|
nsresult rv = nsComponentManager::CreateInstance(kMenuItemCID, nsnull, kIMenuItemIID, (void**)&pnsMenuItem);
|
|
if (NS_OK == rv) {
|
|
pnsMenuItem->Create(pParentMenu, menuitemName, 0);
|
|
|
|
nsISupports * supports = nsnull;
|
|
pnsMenuItem->QueryInterface(kISupportsIID, (void**) &supports);
|
|
pParentMenu->AddItem(supports); // Parent should now own menu item
|
|
NS_RELEASE(supports);
|
|
|
|
// Create MenuDelegate - this is the intermediator inbetween
|
|
// the DOM node and the nsIMenuItem
|
|
// The nsWebShellWindow wacthes for Document changes and then notifies the
|
|
// the appropriate nsMenuDelegate object
|
|
nsCOMPtr<nsIDOMElement> domElement(do_QueryInterface(menuitemNode));
|
|
if (!domElement) {
|
|
return;
|
|
}
|
|
|
|
nsAutoString cmdAtom("oncommand");
|
|
nsString cmdName;
|
|
|
|
domElement->GetAttribute(cmdAtom, cmdName);
|
|
|
|
pnsMenuItem->SetCommand(cmdName);
|
|
// DO NOT use passed in wehshell because of messed up windows dynamic loading
|
|
// code.
|
|
pnsMenuItem->SetWebShell(mWebShell);
|
|
pnsMenuItem->SetDOMElement(domElement);
|
|
pnsMenuItem->SetDOMNode(menuitemNode);
|
|
|
|
if(disabled == NS_STRING_TRUE )
|
|
::DisableMenuItem(mMacMenuHandle, menuitemIndex + 1);
|
|
else
|
|
::EnableMenuItem(mMacMenuHandle, menuitemIndex + 1);
|
|
|
|
NS_RELEASE(pnsMenuItem);
|
|
}
|
|
return;
|
|
}
|
|
|
|
//----------------------------------------
|
|
void nsContextMenu::LoadSubMenu(
|
|
nsIContextMenu * pParentMenu,
|
|
nsIDOMElement * menuElement,
|
|
nsIDOMNode * menuNode)
|
|
{
|
|
nsString menuName;
|
|
menuElement->GetAttribute(nsAutoString("value"), menuName);
|
|
//printf("Creating Menu [%s] \n", menuName.ToNewCString()); // this leaks
|
|
|
|
// Create nsMenu
|
|
nsIMenu * pnsMenu = nsnull;
|
|
nsresult rv = nsComponentManager::CreateInstance(kMenuCID, nsnull, kIMenuIID, (void**)&pnsMenu);
|
|
if (NS_OK == rv) {
|
|
// Call Create
|
|
nsISupports * supports = nsnull;
|
|
pParentMenu->QueryInterface(kISupportsIID, (void**) &supports);
|
|
pnsMenu->Create(supports, menuName);
|
|
NS_RELEASE(supports); // Balance QI
|
|
|
|
// Set nsMenu Name
|
|
pnsMenu->SetLabel(menuName);
|
|
|
|
// Make nsMenu a child of parent nsMenu. The parent takes ownership
|
|
supports = nsnull;
|
|
pnsMenu->QueryInterface(kISupportsIID, (void**) &supports);
|
|
pParentMenu->AddItem(supports);
|
|
NS_RELEASE(supports);
|
|
|
|
pnsMenu->SetWebShell(mWebShell);
|
|
pnsMenu->SetDOMNode(menuNode);
|
|
pnsMenu->SetDOMElement(menuElement);
|
|
|
|
// We're done with the menu
|
|
NS_RELEASE(pnsMenu);
|
|
}
|
|
}
|
|
|
|
void nsContextMenu::NSStringSetMenuItemText(MenuHandle macMenuHandle, short menuItem, nsString& menuString)
|
|
{
|
|
OSErr err;
|
|
const PRUnichar* unicodeText;
|
|
char* scriptRunText;
|
|
size_t unicodeTextLengthInBytes, unicdeTextReadInBytes,
|
|
scriptRunTextSizeInBytes, scriptRunTextLengthInBytes,
|
|
scriptCodeRunListLength;
|
|
ScriptCodeRun convertedTextScript;
|
|
long scriptMgrVariable;
|
|
|
|
//
|
|
// extract the Unicode text from the nsString and convert it into a single script run
|
|
//
|
|
unicodeText = menuString.GetUnicode();
|
|
unicodeTextLengthInBytes = menuString.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::NSStringSetMenuItemText: ConvertFromUnicodeToScriptCodeRun failed.");
|
|
if (err!=noErr) { delete [] scriptRunText; return; }
|
|
scriptRunText[scriptRunTextLengthInBytes] = 0; // null terminate
|
|
|
|
//
|
|
// get a font from the script code
|
|
//
|
|
scriptMgrVariable = ::GetScriptVariable(convertedTextScript.script,smScriptAppFondSize);
|
|
::SetMenuItemText(macMenuHandle,menuItem,c2pstr(scriptRunText));
|
|
err = ::SetMenuItemFontID(macMenuHandle,menuItem,HiWord(scriptMgrVariable));
|
|
NS_ASSERTION(err==noErr,"nsMenu::NSStringSetMenuItemText: SetMenuItemFontID failed.");
|
|
|
|
//
|
|
// clean up and exit
|
|
//
|
|
delete [] scriptRunText;
|
|
|
|
}
|
|
|