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/*
*
* $Id: sourceheader 380067 2005-01-19 13:03:46Z trueg $
* Copyright (C) 2005 Sebastian Trueg <[email protected]>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
*
* Based on the effects in popupMessage.cpp
* Copyright (C) 2005 by Max Howell <[email protected]>
* 2005 by Seb Ruiz <[email protected]>
*
* Dissolve Mask (c) Kicker Authors kickertip.cpp, 2005/08/17
*
* 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.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef _K3B_WIDGET_SHOW_EFFECT_H_
#define _K3B_WIDGET_SHOW_EFFECT_H_
#include <tqobject.h>
#include <tqbitmap.h>
/**
* Helper class to show and hide a widget in a fancy way.
*/
class K3bWidgetShowEffect : public TQObject
{
Q_OBJECT
public:
// FIXME: add an effect direction
enum Effect {
Dissolve = 1,
Slide
};
K3bWidgetShowEffect( TQWidget* widget, Effect e = Slide );
~K3bWidgetShowEffect();
void setEffect( Effect e ) { m_effect = e; }
/**
* Using the widget effects the easy way.
* \returns the K3bWidgetShowEffect instance used to show the widget.
* Can be used to connect to signals.
*/
static K3bWidgetShowEffect* showWidget( TQWidget* w, Effect );
/**
* Using the widget effects the easy way.
* \returns the K3bWidgetShowEffect instance used to hide the widget.
* Can be used to connect to signals.
*/
static K3bWidgetShowEffect* hideWidget( TQWidget* w, Effect );
signals:
void widgetShown( TQWidget* );
void widgetHidden( TQWidget* );
public slots:
/**
* \param effectOnly If true K3bWidgetShowEffect will not call TQWidget::show().
* This is only useful in case onw uses K3bWidgetShowEffect
* to reimplement TQWidget::show(). In that case the caller
* has to take care of showing the widget.
*/
void show( bool effectOnly = false );
/**
* \param effectOnly If true K3bWidgetShowEffect will not call TQWidget::hide().
* This is only useful in case onw uses K3bWidgetShowEffect
* to reimplement TQWidget::hide(). In that case the caller
* has to take care of hiding the widget by connecting to
* K3bWidgetShowEffect::widgetHidden()
*/
void hide( bool effectOnly = false );
private:
void timerEvent( TQTimerEvent* );
/**
* @short Gradually show widget by dissolving from background
*/
void dissolveMask();
/**
* @short animation to slide the widget into view
*/
void slideMask();
Effect m_effect;
TQWidget* m_widget;
TQBitmap m_mask;
int m_dissolveSize;
int m_dissolveDelta;
int m_offset;
int m_timerId;
// if true we show, otherwise we hide the widget
bool m_bShow;
bool m_deleteSelf;
bool m_bEffectOnly;
};
#endif
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