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diff --git a/kalarm/lib/slider.h b/kalarm/lib/slider.h
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+/*
+ *  slider.h  -  slider control with read-only option
+ *  Program:  kalarm
+ *  Copyright © 2004,2006 by David Jarvie <software@astrojar.org.uk>
+ *
+ *  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; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef SLIDER_H
+#define SLIDER_H
+
+#include <qslider.h>
+
+
+/**
+ *  @short A QSlider with read-only option.
+ *
+ *  The Slider class is a QSlider with a read-only option.
+ *
+ *  The widget may be set as read-only. This has the same effect as disabling it, except
+ *  that its appearance is unchanged.
+ *
+ *  @author David Jarvie <software@astrojar.org.uk>
+ */
+class Slider : public QSlider
+{
+		Q_OBJECT
+		Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
+	public:
+		/** Constructor.
+		 *  @param parent The parent object of this widget.
+		 *  @param name The name of this widget.
+		 */
+		explicit Slider(QWidget* parent = 0, const char* name = 0);
+		/** Constructor.
+		 *  @param orient The orientation of the slider, either Qt::Horizonal or Qt::Vertical.
+		 *  @param parent The parent object of this widget.
+		 *  @param name The name of this widget.
+		 */
+		explicit Slider(Orientation orient, QWidget* parent = 0, const char* name = 0);
+		/** Constructor.
+		 *  @param minValue The minimum value which the slider can have.
+		 *  @param maxValue The maximum value which the slider can have.
+		 *  @param pageStep The page step increment.
+		 *  @param value The initial value for the slider.
+		 *  @param orient The orientation of the slider, either Qt::Horizonal or Qt::Vertical.
+		 *  @param parent The parent object of this widget.
+		 *  @param name The name of this widget.
+		 */
+		Slider(int minValue, int maxValue, int pageStep, int value, Orientation orient,
+		       QWidget* parent = 0, const char* name = 0);
+		/** Returns true if the slider is read only. */
+		bool         isReadOnly() const  { return mReadOnly; }
+		/** Sets whether the slider is read-only for the user.
+		 *  @param readOnly True to set the widget read-only, false to set it read-write.
+		 */
+		virtual void setReadOnly(bool readOnly);
+	protected:
+		virtual void mousePressEvent(QMouseEvent*);
+		virtual void mouseReleaseEvent(QMouseEvent*);
+		virtual void mouseMoveEvent(QMouseEvent*);
+		virtual void keyPressEvent(QKeyEvent*);
+		virtual void keyReleaseEvent(QKeyEvent*);
+	private:
+		bool    mReadOnly;      // value cannot be changed by the user
+};
+
+#endif // SLIDER_H