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https://github.com/kasmtech/KasmVNC.git
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76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
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/* 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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// -=- SDisplayCorePolling.h
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//
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// SDisplayCore implementation that simply polls the screen, in sections,
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// in order to detect changes. This Core will signal the SDisplay's
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// updateEvent regularly, causing it to call the Core back to propagate
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// changes to the VNC Server.
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#ifndef __RFB_SDISPLAY_CORE_POLLING_H__
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#define __RFB_SDISPLAY_CORE_POLLING_H__
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#include <rfb_win32/SDisplay.h>
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#include <rfb_win32/IntervalTimer.h>
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#include <rfb_win32/WMWindowCopyRect.h>
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namespace rfb {
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namespace win32 {
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class SDisplayCorePolling : public SDisplayCore, protected MsgWindow {
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public:
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SDisplayCorePolling(SDisplay* display, UpdateTracker* ut, int pollIntervalMs=50);
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~SDisplayCorePolling();
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// - Called by SDisplay to inform Core of the screen size
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virtual void setScreenRect(const Rect& screenRect_);
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// - Called by SDisplay to flush updates to the specified tracker
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virtual void flushUpdates();
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virtual const char* methodName() const { return "Polling"; }
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protected:
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// - MsgWindow overrides
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// processMessage is used to service the cursor & polling timers
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virtual LRESULT processMessage(UINT msg, WPARAM wParam, LPARAM lParam);
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// - Hooking subcomponents used to track the desktop state
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WMCopyRect copyrect;
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// - Background full screen polling fields
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IntervalTimer pollTimer;
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static const unsigned int pollTimerId;
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Rect screenRect;
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int pollInterval;
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int pollNextY;
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int pollIncrementY;
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bool pollNextStrip;
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// - Handle back to the owning SDisplay, and to the UpdateTracker to flush to
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SDisplay* display;
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UpdateTracker* updateTracker;
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};
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};
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};
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#endif
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