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win/rfb_win32/WMPoller.h

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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.
+ */
+
+// -=- WMPoller.h
+//
+// Polls the foreground window.  If the pollOnlyConsoles flag is set,
+// then checks the window class of the foreground window first and
+// only polls it if it's a console.
+// If the pollAllWindows flag is set then iterates through visible
+// windows, and polls the visible bits.  If pollOnlyConsoles is also
+// set then only visible parts of console windows will be polled.
+
+#ifndef __RFB_WIN32_WM_POLLER_H__
+#define __RFB_WIN32_WM_POLLER_H__
+
+#include <windows.h>
+#include <rfb/UpdateTracker.h>
+#include <rfb/Configuration.h>
+
+namespace rfb {
+
+  namespace win32 {
+
+    class WMPoller {
+    public:
+      WMPoller() : ut(0) {}
+
+      bool processEvent();
+      bool setUpdateTracker(UpdateTracker* ut);
+
+      static BoolParameter poll_console_windows;
+    protected:
+      struct PollInfo {
+        Region poll_include;
+        Region poll_exclude;
+      };
+      static bool checkPollWindow(HWND w);
+      static void pollWindow(HWND w, PollInfo* info);
+      static BOOL CALLBACK enumWindowProc(HWND w, LPARAM lp);
+      UpdateTracker* ut;
+    };
+
+  };
+
+};
+
+#endif // __RFB_WIN32_WM_POLLER_H__