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//============================================================================
//
// KRotation screen saver for KDE
// Copyright (C) 2004 Georg Drenkhahn
// $Id$
//
//============================================================================
#ifndef SSPREVIEWAREA_H
#define SSPREVIEWAREA_H
#include <tqwidget.h>
/** @brief Reimplementation of TQWidget emitting a signal if resized.
*
* This class is equalt to TQWidget except for the fact that the signal resized()
* is emitted if the widget gets resized. By this signaling mechanism it is
* possible to resize the embedded GL area object within the screen saver setup
* dialog.
*
* In the constructor of the dialog widget (KPendulumSetup::KPendulumSetup(),
* KRotationSetup::KRotationSetup()) the signal SsPreviewArea::resized() is
* connected with a slot of the screensaver class
* (KPendulumSaver::resizeGlArea(), KRotationSaver::resizeGlArea()). This slot
* function calls the reimplemented TQGLWidget::resizeGL() method of the GL
* widgets (PendulumGLWidget::resizeGL(), RotationGLWidget::resizeGL()) which
* really resizes the GL scenery. */
class SsPreviewArea : public TQWidget
{
Q_OBJECT
public:
/** @brief Constructor for SsPreviewArea
* @param parent Pointer tp parent widget, forwarded to the TQWidget
* constructor
* @param name Pointer to widget name, forwarded to the TQWidget constructor
*
* The constructor just calls TQWidget::TQWidget() with the given arguments.
*/
SsPreviewArea(TQWidget* parent = NULL, const char* name = NULL);
protected:
/** @brief Called if widget gets resized.
* @param e Pointer to the corresponding TQResizeEvent object containing the
* resize information
*
* Reimplemented event handler from TQWidget. Only the signal resized() is
* emitted. */
virtual void resizeEvent(TQResizeEvent* e);
signals:
/** @brief Signal which is emitted in the resizeEvent() method.
* @param e Pointer to the corresponding TQResizeEvent object */
void resized(TQResizeEvent* e);
};
#endif
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