gecko-dev/lib/mac/UserInterface/CContextMenuAttachment.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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// Written by John R. McMullen
#pragma once
#include <LAttachment.h>
#include "Netscape_Constants.h" // for EClickState
class LCommander;
struct SMouseDownEvent;
class LMenu;
//======================================
class CContextMenuAttachment : public LAttachment
// By adding this to a pane in constructor, and defining a corresponding menu, you get
// a context menu in that pane.
//
// Your menu should have all the possible commands. This attachment class will use the
// FindCommandStatus call for your pane, and remove any items that are not currently available
// before calling PopupMenuSelect.
//
// If necessary, your pane's FindCommandStatus can distinguish context menu calls from other
// calls by using ::StillDown(), because the normal menu enabling in PowerPlant does NOT
// happen while the mouse is pressed.
//
// This listens to mouse clicks, waits for timeout, handles popup menu etc. It will also
// handle changing the cursor if called from within AdjustCursorSelf(), etc.
//
// Must be attached via constructor, just like CPaneEnabler. [This is _so_ not true (pinkerton)]
//======================================
{
public:
enum { class_ID = 'CxMn', msg_ContextMenu = 'CxMn', msg_ContextMenuCursor = 'CxMC'};
CContextMenuAttachment(ResIDT inMenuID, ResIDT inTextTraitsID);
CContextMenuAttachment(LStream* inStream);
virtual ~CContextMenuAttachment();
struct SExecuteParams
{
const SMouseDownEvent* inMouseDown;
EClickState outResult;
};
enum { kDefaultDelay = -1};
// Public utility method
static EClickState WaitMouseAction(
const Point& inInitialPoint,
Int32 inWhen,
Int32 inDelay = kDefaultDelay);
protected:
enum { kContextualCursorID = 6610 };
virtual Boolean Execute( MessageT inMessage, void *ioParam );
virtual void ExecuteSelf(
MessageT inMessage,
void* ioParam);
void DoPopup(
const SMouseDownEvent& inMouseDown,
EClickState& outResult);
virtual UInt16 PruneMenu(LMenu* inMenu);
// override to do something other than read in a menu from the resource fork
virtual LMenu* BuildMenu( ) ;
virtual void ChangeCursor( const EventRecord* inEvent );
//----
// Data
//----
private:
ResIDT mMenuID;
ResIDT mTextTraitsID;
LPane* mHostView;
LCommander* mHostCommander; // same as view, precast for convenience
}; // class CContextMenuAttachment