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diff --git a/barriermanager.h b/barriermanager.h
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+
+// XineramaBarriers
+// ----------
+// Copyright (C) 2011, Timur Kristóf
+//
+// This X client application will create pointer barriers
+// based on the Xinerama information of your current driver.
+// Only works with XFixes v5 or higher and the Xorg server
+// which has the pointer barriers patch.
+// ----------
+// Licensed under the terms of the GPL
+// ----------
+
+#ifndef BARRIERMANAGER_H
+#define BARRIERMANAGER_H
+
+#include <X11/extensions/Xinerama.h>
+#include <X11/extensions/Xfixes.h>
+#include <X11/extensions/xfixesproto.h>
+#include <vector>
+
+#define MIN(a, b) (((a) < (b)) ? a : b)
+
+class BarrierManager {
+    std::vector<PointerBarrier> barriers;
+    std::vector<XineramaScreenInfo> infos;
+    XWindowAttributes attrs;
+    Display *d;
+
+public:
+    explicit BarrierManager(Display *d);
+    ~BarrierManager();
+    void updateBarriers();
+    void destroyBarriers();
+};
+
+#endif // BARRIERMANAGER_H