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https://github.com/kasmtech/KasmVNC.git
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108 lines
4.2 KiB
C++
108 lines
4.2 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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* Copyright 2009-2011 Pierre Ossman for Cendio AB
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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//
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// SMsgHandler - class to handle incoming messages on the server side.
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//
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#ifndef __RFB_SMSGHANDLER_H__
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#define __RFB_SMSGHANDLER_H__
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#include <rdr/types.h>
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#include <rfb/PixelFormat.h>
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#include <rfb/ConnParams.h>
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#include <rfb/InputHandler.h>
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#include <rfb/ScreenSet.h>
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namespace rdr { class InStream; }
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namespace rfb {
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class SMsgHandler : public InputHandler {
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public:
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SMsgHandler();
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virtual ~SMsgHandler();
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// The following methods are called as corresponding messages are read. A
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// derived class should override these methods as desired. Note that for
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// the setPixelFormat(), setEncodings() and setDesktopSize() methods, a
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// derived class must call on to SMsgHandler's methods.
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virtual void clientInit(bool shared);
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virtual void setPixelFormat(const PixelFormat& pf);
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virtual void setEncodings(int nEncodings, const rdr::S32* encodings);
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virtual void framebufferUpdateRequest(const Rect& r, bool incremental) = 0;
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virtual void setDesktopSize(int fb_width, int fb_height,
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const ScreenSet& layout) = 0;
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virtual void fence(rdr::U32 flags, unsigned len, const char data[]) = 0;
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virtual void enableContinuousUpdates(bool enable,
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int x, int y, int w, int h) = 0;
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virtual void handleClipboardAnnounceBinary(const unsigned num, const char mimes[][32]);
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virtual void clearBinaryClipboard();
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virtual void addBinaryClipboard(const char mime[], const rdr::U8 *data,
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const rdr::U32 len, const rdr::U32 id);
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virtual void sendStats(const bool toClient = true) = 0;
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virtual void handleFrameStats(rdr::U32 all, rdr::U32 render) = 0;
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virtual bool canChangeKasmSettings() const = 0;
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// InputHandler interface
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// The InputHandler methods will be called for the corresponding messages.
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// supportsLocalCursor() is called whenever the status of
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// cp.supportsLocalCursor has changed. At the moment this happens on a
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// setEncodings message, but in the future this may be due to a message
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// specially for this purpose.
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virtual void supportsLocalCursor();
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// supportsFence() is called the first time we detect support for fences
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// in the client. A fence message should be sent at this point to notify
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// the client of server support.
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virtual void supportsFence();
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// supportsContinuousUpdates() is called the first time we detect that
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// the client wants the continuous updates extension. A
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// EndOfContinuousUpdates message should be sent back to the client at
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// this point if it is supported.
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virtual void supportsContinuousUpdates();
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// supportsLEDState() is called the first time we detect that the
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// client supports the LED state extension. A LEDState message
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// should be sent back to the client to inform it of the current
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// server state.
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virtual void supportsLEDState();
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// supportsQEMUKeyEvent() is called the first time we detect that the
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// client wants the QEMU Extended Key Event extension. The default
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// handler will send a pseudo-rect back, signalling server support.
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virtual void supportsQEMUKeyEvent();
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virtual void udpUpgrade(const char *resp) = 0;
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virtual void udpDowngrade(const bool) = 0;
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virtual void subscribeUnixRelay(const char *name) = 0;
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virtual void unixRelay(const char *name, const rdr::U8 *buf, const unsigned len) = 0;
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ConnParams cp;
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};
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}
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#endif
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