//============================================================================ // // 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 TQ_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