KasmVNC/common/rfb/CMsgHandler.h
2020-09-20 12:16:44 +00:00

79 lines
2.8 KiB
C++

/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2009-2011 Pierre Ossman for Cendio AB
* Copyright (C) 2011 D. R. Commander. 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.
*/
//
// CMsgHandler - class to handle incoming messages on the client side.
//
#ifndef __RFB_CMSGHANDLER_H__
#define __RFB_CMSGHANDLER_H__
#include <rdr/types.h>
#include <rfb/Pixel.h>
#include <rfb/ConnParams.h>
#include <rfb/Rect.h>
#include <rfb/ScreenSet.h>
namespace rdr { class InStream; }
namespace rfb {
class CMsgHandler {
public:
CMsgHandler();
virtual ~CMsgHandler();
// The following methods are called as corresponding messages are read. A
// derived class should override these methods as desired. Note that for
// the setDesktopSize(), setExtendedDesktopSize(), setPixelFormat() and
// setName() methods, a derived class should call on to CMsgHandler's
// methods to set the members of cp appropriately.
virtual void setDesktopSize(int w, int h);
virtual void setExtendedDesktopSize(unsigned reason, unsigned result,
int w, int h,
const ScreenSet& layout);
virtual void setCursor(int width, int height, const Point& hotspot,
const rdr::U8* data) = 0;
virtual void setPixelFormat(const PixelFormat& pf);
virtual void setName(const char* name);
virtual void fence(rdr::U32 flags, unsigned len, const char data[]);
virtual void endOfContinuousUpdates();
virtual void supportsQEMUKeyEvent();
virtual void serverInit() = 0;
virtual void readAndDecodeRect(const Rect& r, int encoding,
ModifiablePixelBuffer* pb) = 0;
virtual void framebufferUpdateStart();
virtual void framebufferUpdateEnd();
virtual void dataRect(const Rect& r, int encoding) = 0;
virtual void setColourMapEntries(int firstColour, int nColours,
rdr::U16* rgbs) = 0;
virtual void bell() = 0;
virtual void serverCutText(const char* str, rdr::U32 len) = 0;
virtual void setLEDState(unsigned int state);
ConnParams cp;
};
}
#endif