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196 lines
4.5 KiB
196 lines
4.5 KiB
15 years ago
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#if 0
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// Note: this file has been copied from the Qt source.
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// Those classes are normally used internally in Qt
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// but we need them for immitate the roll-over effect of QComboBox.
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//
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// Some class definitions have been moved from qeffects.cpp to this file.
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// They are framed with the comment "MOVED FROM qeffect.cpp"
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/****************************************************************************
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** $Id: qt/qeffects_p.h 3.3.4 edited May 27 2003 $
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**
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** Definition of QEffects functions
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**
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** Created : 000621
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**
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** Copyright (C) 2000 Trolltech AS. All rights reserved.
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**
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** This file is part of the widgets module of the Qt GUI Toolkit.
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**
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** This file may be distributed under the terms of the Q Public License
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** as defined by Trolltech AS of Norway and appearing in the file
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** LICENSE.QPL included in the packaging of this file.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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** licenses may use this file in accordance with the Qt Commercial License
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** Agreement provided with the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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** information about Qt Commercial License Agreements.
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** See http://www.trolltech.com/qpl/ for QPL licensing information.
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
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**
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** Contact info@trolltech.com if any conditions of this licensing are
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** not clear to you.
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**
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**********************************************************************/
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#ifndef QEFFECTS_P_H
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#define QEFFECTS_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of qeffects.cpp, qcombobox.cpp, qpopupmenu.cpp and qtooltip.cpp.
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// This header file may change from version to version without notice,
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// or even be removed.
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//
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// We mean it.
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//
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//
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#ifndef QT_H
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#include "qnamespace.h"
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#endif // QT_H
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#ifndef QT_NO_EFFECTS
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class QWidget;
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struct QEffects
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{
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enum Direction {
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LeftScroll = 0x0001,
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RightScroll = 0x0002,
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UpScroll = 0x0004,
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DownScroll = 0x0008
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};
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typedef uint DirFlags;
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};
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extern void Q_EXPORT qScrollEffect( QWidget*, QEffects::DirFlags dir = QEffects::DownScroll, int time = -1 );
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extern void Q_EXPORT qFadeEffect( QWidget*, int time = -1 );
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/******************* MOVED FROM qeffect.cpp: */
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#include "qguardedptr.h"
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#include "qdatetime.h"
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#include "qtimer.h"
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#include "qpixmap.h"
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#include "qimage.h"
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/*
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Internal class to get access to protected QWidget-members
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*/
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class QAccessWidget : public QWidget
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{
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friend class QAlphaWidget;
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friend class QRollEffect;
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public:
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QAccessWidget( QWidget* parent=0, const char* name=0, WFlags f = 0 )
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: QWidget( parent, name, f ) {}
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};
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/*
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Internal class QAlphaWidget.
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The QAlphaWidget is shown while the animation lasts
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and displays the pixmap resulting from the alpha blending.
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*/
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class QAlphaWidget: public QWidget, private QEffects
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{
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Q_OBJECT
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public:
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QAlphaWidget( QWidget* w, WFlags f = 0 );
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void run( int time );
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protected:
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void paintEvent( QPaintEvent* e );
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void closeEvent( QCloseEvent* );
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bool eventFilter( QObject* o, QEvent* e );
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void alphaBlend();
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protected slots:
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void render();
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private:
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QPixmap pm;
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double alpha;
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QImage back;
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QImage front;
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QImage mixed;
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QGuardedPtr<QAccessWidget> widget;
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int duration;
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int elapsed;
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bool showWidget;
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QTimer anim;
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QTime checkTime;
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};
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/*
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Internal class QRollEffect
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The QRollEffect widget is shown while the animation lasts
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and displays a scrolling pixmap.
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*/
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class QRollEffect : public QWidget, private QEffects
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{
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Q_OBJECT
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public:
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QRollEffect( QWidget* w, WFlags f, DirFlags orient );
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void run( int time );
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protected:
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void paintEvent( QPaintEvent* );
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bool eventFilter( QObject*, QEvent* );
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void closeEvent( QCloseEvent* );
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private slots:
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void scroll();
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private:
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QGuardedPtr<QAccessWidget> widget;
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int currentHeight;
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int currentWidth;
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int totalHeight;
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int totalWidth;
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int duration;
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int elapsed;
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bool done;
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bool showWidget;
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int orientation;
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QTimer anim;
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QTime checkTime;
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QPixmap pm;
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};
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/******************************/
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#endif // QT_NO_EFFECTS
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#endif // QEFFECTS_P_H
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#endif // #if 0
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