Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@590 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/unix/x0vncserver/PollingManager.h b/unix/x0vncserver/PollingManager.h
new file mode 100644
index 0000000..b8eef50
--- /dev/null
+++ b/unix/x0vncserver/PollingManager.h
@@ -0,0 +1,148 @@
+/* Copyright (C) 2004-2005 Constantin Kaplinsky. 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.
+ */
+
+//
+// PollingManager.h
+//
+
+#ifndef __POLLINGMANAGER_H__
+#define __POLLINGMANAGER_H__
+
+#include <X11/Xlib.h>
+#include <rfb/VNCServer.h>
+
+#include <x0vncserver/Image.h>
+
+#ifdef DEBUG
+#include <x0vncserver/TimeMillis.h>
+#endif
+
+using namespace rfb;
+
+class PollingManager {
+
+public:
+
+ PollingManager(Display *dpy, Image *image, ImageFactory *factory,
+ int offsetLeft = 0, int offsetTop = 0);
+ virtual ~PollingManager();
+
+ void setVNCServer(VNCServer *s);
+
+ void setPointerPos(const Point &pos);
+ void unsetPointerPos();
+
+ void poll();
+
+ // Configurable parameters.
+ static BoolParameter pollPointer;
+ static IntParameter pollingType;
+
+protected:
+
+ //
+ // Implementations of different polling algorithms.
+ // Return value of true reports that some changes were detected.
+ //
+ bool poll_DetectVideo();
+ bool poll_SkipCycles();
+ bool poll_Traditional();
+ bool poll_Dumb();
+
+ // Separate polling for the area around current pointer position.
+ void computePointerArea(Rect *r);
+ bool pollPointerArea();
+
+ Display *m_dpy;
+ VNCServer *m_server;
+
+ Image *m_image;
+ int m_offsetLeft;
+ int m_offsetTop;
+ int m_width;
+ int m_height;
+ int m_widthTiles;
+ int m_heightTiles;
+
+ // Tracking pointer position for polling improvements.
+ bool m_pointerPosKnown;
+ Point m_pointerPos;
+ time_t m_pointerPosTime;
+
+private:
+
+ inline void getScreen() {
+ m_image->get(DefaultRootWindow(m_dpy), m_offsetLeft, m_offsetTop);
+ }
+
+ inline void getRow(int y) {
+ m_rowImage->get(DefaultRootWindow(m_dpy), m_offsetLeft, m_offsetTop + y);
+ }
+
+ inline void getTile32(int tx, int ty, int w, int h) {
+ if (w == 32 && h == 32) {
+ // This version of get() may be better optimized.
+ m_tileImage->get(DefaultRootWindow(m_dpy),
+ m_offsetLeft + tx * 32, m_offsetTop + ty * 32);
+ } else {
+ // Generic version of get() for arbitrary width and height.
+ m_tileImage->get(DefaultRootWindow(m_dpy),
+ m_offsetLeft + tx * 32, m_offsetTop + ty * 32, w, h);
+ }
+ }
+
+ inline void getArea128(int x, int y, int w, int h) {
+ if (w == 128 && h == 128) {
+ // This version of get() may be better optimized.
+ m_areaImage->get(DefaultRootWindow(m_dpy),
+ m_offsetLeft + x, m_offsetTop + y);
+ } else {
+ // Generic version of get() for arbitrary width and height.
+ m_areaImage->get(DefaultRootWindow(m_dpy),
+ m_offsetLeft + x, m_offsetTop + y, w, h);
+ }
+ }
+
+ void adjustVideoArea();
+
+ // Additional images used in polling algorithms.
+ Image *m_rowImage; // One row of the framebuffer
+ Image *m_tileImage; // One tile (32x32 or less)
+ Image *m_areaImage; // Area around the pointer (up to 128x128)
+
+ char *m_statusMatrix;
+
+ char *m_rateMatrix;
+ char *m_videoFlags;
+ char *m_changedFlags;
+
+ unsigned int m_pollingStep;
+ static const int m_pollingOrder[];
+
+#ifdef DEBUG
+private:
+
+ void debugBeforePoll();
+ void debugAfterPoll();
+
+ TimeMillis m_timeSaved;
+#endif
+
+};
+
+#endif // __POLLINGMANAGER_H__