gecko-dev/cmd/winfe/qahook.h

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1998-03-28 02:44:41 +00:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
//
// This is a header file for the QA hooks that are getting added
// to Communicator.
//
// Written by: Rich Pizzarro (rhp)
//
#ifndef _QAHOOK
#define _QAHOOK
//
// Need this for Win16 since it is an undocumented message
//
#ifndef WIN32
#define WM_COPYDATA 0x004A
//#define WM_COPYDATA 0x7666
/*
* lParam of WM_COPYDATA message points to...
*/
typedef struct tagCOPYDATASTRUCT {
DWORD dwData;
DWORD cbData;
LPVOID lpData;
} COPYDATASTRUCT, *PCOPYDATASTRUCT;
#endif // ifndef WIN32
// A chunk of shared memory will be identified by name:
#define SHARED_MEMORY_CHUNK_NAME "NSCP_QA_SMEM"
#define SHARED_MEMORY_CHUNK_SIZE (16 * 1024)
// The following structure will be stored in the shared memory
// and will be used to pass data back and forth
#pragma pack(4)
typedef struct
{
DWORD m_dwSize; // size of the shared memory block
DWORD m_dwBytesUsed; // size of data in m_Data
BYTE m_buf[1];
} CSharedData;
#pragma pack()
//
// *open existing* shared memory chunk
// once you have the pointer to the new segment
// use this pointer to access data, e.g.:
//
// if(pData->m_dwBytesUsed > 0)
// {
// // use pData->m_buf here
// }
//
CSharedData *OpenExistingSharedMemory(void);
//
// to close shared memory segment
//
void CloseSharedMemory();
//
// Defines needed for requests being made with the WM_COPYDATA call...
//
typedef enum {
QA_OLGETCOUNT = 0,
QA_OLGETVISIBLECOUNT,
QA_OLGETTEXT,
QA_OLSETFOCUSLINE,
QA_OLGETFOCUSLINE,
QA_OLGETCOLCOUNT,
QA_OLGETNUMCHILDREN,
QA_OLSCROLLINTOVIEW,
QA_OLGETISCOLLAPSED
} QA_REQUEST_TYPE;
#endif // _QAHOOK