322 lines
9.8 KiB
C++
322 lines
9.8 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 <TextUtils.h>
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#include <ToolUtils.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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const PRInt16 kMacMenuID = 1;
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PRInt16 nsMenu::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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//-------------------------------------------------------------------------
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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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NS_IF_RELEASE(mMenuBarParent);
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NS_IF_RELEASE(mMenuParent);
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NS_IF_RELEASE(mListener);
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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(nsIMenuBar *aParent, const nsString &aLabel)
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{
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mMenuBarParent = aParent;
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NS_ADDREF(mMenuBarParent);
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_METHOD nsMenu::Create(nsIMenu *aParent, const nsString &aLabel)
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{
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mMenuParent = aParent;
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NS_ADDREF(mMenuParent);
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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(nsString &aText)
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{
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mLabel = aText;
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mMacMenuHandle = nsnull;
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mMacMenuHandle = ::NewMenu(mMacMenuIDCount, c2pstr(mLabel.ToNewCString()));
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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::AddItem(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::AddMenuItem(nsIMenuItem * aMenuItem)
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{
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NS_IF_ADDREF(aMenuItem);
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mMenuItemVoidArray.AppendElement(aMenuItem);
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nsString label;
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aMenuItem->GetLabel(label);
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mNumMenuItems++;
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::InsertMenuItem(mMacMenuHandle, c2pstr(label.ToNewCString()), mNumMenuItems );
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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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NS_IF_ADDREF(aMenu);
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mMenuItemVoidArray.AppendElement(aMenu);
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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, c2pstr(label.ToNewCString()), mNumMenuItems);
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void * menuHandle;
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aMenu->GetNativeData(menuHandle);
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::InsertMenu((MenuHandle)menuHandle, hierMenu);
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PRInt16 temp = mMacMenuIDCount;
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::SetMenuItemHierarchicalID((MenuHandle) mMacMenuHandle, mNumMenuItems, --temp);
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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::InsertSeparator(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::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 = (void*) 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::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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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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