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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
// -=- wm_hooks.h
//
// Window Message Hooks Dynamic Link library
//
// This interface is used by the WMHooks class in rfb_win32 to hook the
// windows on the desktop and receive notifications of changes in their
// state.
#ifndef __WM_HOOKS_H__
#define __WM_HOOKS_H__
#include <windows.h>
#define DLLEXPORT __declspec(dllexport)
extern "C"
{
//
// -=- Display hook message types
//
DLLEXPORT UINT WM_Hooks_WindowChanged();
DLLEXPORT UINT WM_Hooks_WindowBorderChanged();
DLLEXPORT UINT WM_Hooks_WindowClientAreaChanged();
DLLEXPORT UINT WM_Hooks_RectangleChanged();
DLLEXPORT UINT WM_Hooks_CursorChanged();
//
// -=- Display update hooks
//
// - WM_Hooks_Install
// Add the current thread to the list of threads that will receive
// notifications of changes to the display.
// If thread is NULL then the entire display will be hooked.
// If thread is !NULL and then the specified
// thread will be hooked.
// Each thread may only register one hook at a time.
// The call will fail (return FALSE) if the thread already has hooks
// set, or if the hooks cannot be set, or some other error occurs.
DLLEXPORT BOOL WM_Hooks_Install(DWORD owner, DWORD thread);
// - WM_Hooks_Remove
// Removes any hook set by the current thread.
// The return indicates whether anything went wrong removing the hooks,
// that might cause problems later.
DLLEXPORT BOOL WM_Hooks_Remove(DWORD owner);
//
// -=- User input hooks
//
// - WM_Hooks_EnableRealInputs
// If TRUE is passed, then "real" input is enabled, otherwise it is disabled.
DLLEXPORT BOOL WM_Hooks_EnableRealInputs(BOOL pointer, BOOL keyboard);
// - WM_Hooks_EnableSynthInputs
// If TRUE is passed, then synthetic inputs are enabled, otherwise disabled.
DLLEXPORT BOOL WM_Hooks_EnableSynthInputs(BOOL pointer, BOOL keyboard);
//
// -=- Cursor shape hooking
//
// - WM_Hooks_EnableCursorShape
// If TRUE is passed, then hooks will produce notifications when cursor shape
// changes.
DLLEXPORT BOOL WM_Hooks_EnableCursorShape(BOOL enable);
#ifdef _DEBUG
// - WM_Hooks_SetDiagnosticRange
// Select a range of messages that will be reported while hooks are active
DLLEXPORT void WM_Hooks_SetDiagnosticRange(UINT min, UINT max);
DLLEXPORT UINT WM_Hooks_Diagnostic();
#endif
}
#endif // __WM_HOOKS_H__
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