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98 lines
4.1 KiB
C++
98 lines
4.1 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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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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// VNCServer - abstract interface implemented by the RFB library. The back-end
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// code calls the relevant methods as appropriate.
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#ifndef __RFB_VNCSERVER_H__
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#define __RFB_VNCSERVER_H__
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#include <rfb/UpdateTracker.h>
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#include <rfb/SSecurity.h>
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#include <rfb/ScreenSet.h>
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namespace rfb {
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class VNCServer : public UpdateTracker {
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public:
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// blockUpdates()/unblockUpdates() tells the server that the pixel buffer
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// is currently in flux and may not be accessed. The attributes of the
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// pixel buffer may still be accessed, but not the frame buffer itself.
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// Note that access must be unblocked the exact same number of times it
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// was blocked.
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virtual void blockUpdates() = 0;
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virtual void unblockUpdates() = 0;
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// setPixelBuffer() tells the server to use the given pixel buffer (and
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// optionally a modified screen layout). If this differs in size from
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// the previous pixel buffer, this may result in protocol messages being
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// sent, or clients being disconnected.
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virtual void setPixelBuffer(PixelBuffer* pb, const ScreenSet& layout) = 0;
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virtual void setPixelBuffer(PixelBuffer* pb) = 0;
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// setScreenLayout() modifies the current screen layout without changing
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// the pixelbuffer. Clients will be notified of the new layout.
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virtual void setScreenLayout(const ScreenSet& layout) = 0;
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// getPixelBuffer() returns a pointer to the PixelBuffer object.
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virtual PixelBuffer* getPixelBuffer() const = 0;
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// requestClipboard() will result in a request to a client to
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// transfer its clipboard data. A call to
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// SDesktop::handleClipboardData() will be made once the data is
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// available.
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virtual void requestClipboard() = 0;
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// announceClipboard() informs all clients of changes to the
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// clipboard on the server. A client may later request the
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// clipboard data via SDesktop::handleClipboardRequest().
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virtual void announceClipboard(bool available) = 0;
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// sendClipboardData() transfers the clipboard data to a client
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// and should be called whenever a client has requested the
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// clipboard via SDesktop::handleClipboardRequest().
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virtual void sendClipboardData(const char* data) = 0;
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// bell() tells the server that it should make all clients make a bell sound.
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virtual void bell() = 0;
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// - Close all currently-connected clients, by calling
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// their close() method with the supplied reason.
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virtual void closeClients(const char* reason) = 0;
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// setCursor() tells the server that the cursor has changed. The
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// cursorData argument contains width*height rgba quadruplets with
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// non-premultiplied alpha.
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virtual void setCursor(int width, int height, const Point& hotspot,
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const rdr::U8* cursorData, const bool resizing = false) = 0;
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// setCursorPos() tells the server the current position of the cursor, and
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// whether the server initiated that change (e.g. through another X11
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// client calling XWarpPointer()).
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virtual void setCursorPos(const Point& p, bool warped) = 0;
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// setName() tells the server what desktop title to supply to clients
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virtual void setName(const char* name) = 0;
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// setLEDState() tells the server what the current lock keys LED
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// state is
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virtual void setLEDState(unsigned int state) = 0;
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};
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}
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#endif
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