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Diffstat (limited to 'tdescreensaver/kdesavers/sspreviewarea.h')
-rw-r--r-- | tdescreensaver/kdesavers/sspreviewarea.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tdescreensaver/kdesavers/sspreviewarea.h b/tdescreensaver/kdesavers/sspreviewarea.h new file mode 100644 index 00000000..ab36c4b8 --- /dev/null +++ b/tdescreensaver/kdesavers/sspreviewarea.h @@ -0,0 +1,58 @@ +//============================================================================ +// +// 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 |