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diff --git a/kwin/clients/plastik/plastikbutton.h b/kwin/clients/plastik/plastikbutton.h
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+++ b/kwin/clients/plastik/plastikbutton.h
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+/* Plastik KWin window decoration
+  Copyright (C) 2003-2005 Sandro Giessl <sandro@giessl.com>
+
+  based on the window decoration "Web":
+  Copyright (C) 2001 Rik Hemsley (rikkus) <rik@kde.org>
+
+  This program 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 program 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 program; see the file COPYING.  If not, write to
+  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+ */
+
+#ifndef PLASTIKBUTTON_H
+#define PLASTIKBUTTON_H
+
+#include <qbutton.h>
+#include <qimage.h>
+#include "plastik.h"
+
+#include <kcommondecoration.h>
+
+class QTimer;
+
+namespace KWinPlastik {
+
+class PlastikClient;
+
+class PlastikButton : public KCommonDecorationButton
+{
+    Q_OBJECT
+public:
+    PlastikButton(ButtonType type, PlastikClient *parent, const char *name);
+    ~PlastikButton();
+
+    void reset(unsigned long changed);
+    PlastikClient * client() { return m_client; }
+
+protected slots:
+    void animate();
+
+private:
+    void enterEvent(QEvent *e);
+    void leaveEvent(QEvent *e);
+    void drawButton(QPainter *painter);
+
+private:
+    PlastikClient *m_client;
+    ButtonIcon m_iconType;
+    bool hover;
+
+    QTimer *animTmr;
+    uint animProgress;
+};
+
+/**
+ * This class creates bitmaps which can be used as icons on buttons. The icons
+ * are "hardcoded".
+ * Over the previous "Gimp->xpm->QImage->recolor->SmoothScale->QPixmap" solution
+ * it has the important advantage that icons are more scalable and at the same
+ * time sharp and not blurred.
+ */
+class IconEngine
+{
+    public:
+        static QBitmap icon(ButtonIcon icon, int size);
+
+    private:
+        enum Object {
+            HorizontalLine,
+            VerticalLine,
+            DiagonalLine,
+            CrossDiagonalLine
+        };
+
+        static void drawObject(QPainter &p, Object object, int x, int y, int length, int lineWidth);
+};
+
+} // namespace KWinPlastik
+
+#endif // PLASTIKBUTTON_H