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