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Diffstat (limited to 'src/qeffects.h')
| -rw-r--r-- | src/qeffects.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/qeffects.h b/src/qeffects.h new file mode 100644 index 0000000..b898ad4 --- /dev/null +++ b/src/qeffects.h @@ -0,0 +1,195 @@ +#if 0 + +// Note: this file has been copied from the Qt source. +// Those classes are normally used internally in Qt +// but we need them for immitate the roll-over effect of QComboBox. +// +// Some class definitions have been moved from qeffects.cpp to this file. +// They are framed with the comment "MOVED FROM qeffect.cpp" + +/**************************************************************************** +** $Id: qt/qeffects_p.h 3.3.4 edited May 27 2003 $ +** +** Definition of QEffects functions +** +** Created : 000621 +** +** Copyright (C) 2000 Trolltech AS. All rights reserved. +** +** This file is part of the widgets module of the Qt GUI Toolkit. +** +** This file may be distributed under the terms of the Q Public License +** as defined by Trolltech AS of Norway and appearing in the file +** LICENSE.QPL included in the packaging of this file. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition +** licenses may use this file in accordance with the Qt Commercial License +** Agreement provided with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** See http://www.trolltech.com/qpl/ for QPL licensing information. +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#ifndef QEFFECTS_P_H +#define QEFFECTS_P_H + + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of qeffects.cpp, qcombobox.cpp, qpopupmenu.cpp and qtooltip.cpp. +// This header file may change from version to version without notice, +// or even be removed. +// +// We mean it. +// +// + +#ifndef QT_H +#include "qnamespace.h" +#endif // QT_H + +#ifndef QT_NO_EFFECTS +class QWidget; + +struct QEffects +{ + enum Direction { + LeftScroll = 0x0001, + RightScroll = 0x0002, + UpScroll = 0x0004, + DownScroll = 0x0008 + }; + + typedef uint DirFlags; +}; + +extern void Q_EXPORT qScrollEffect( QWidget*, QEffects::DirFlags dir = QEffects::DownScroll, int time = -1 ); +extern void Q_EXPORT qFadeEffect( QWidget*, int time = -1 ); + + +/******************* MOVED FROM qeffect.cpp: */ + +#include "qguardedptr.h" +#include "qdatetime.h" +#include "qtimer.h" +#include "qpixmap.h" +#include "qimage.h" + +/* + Internal class to get access to protected QWidget-members +*/ + +class QAccessWidget : public QWidget +{ + friend class QAlphaWidget; + friend class QRollEffect; + public: + QAccessWidget( QWidget* parent=0, const char* name=0, WFlags f = 0 ) + : QWidget( parent, name, f ) {} +}; + +/* + Internal class QAlphaWidget. + + The QAlphaWidget is shown while the animation lasts + and displays the pixmap resulting from the alpha blending. +*/ + +class QAlphaWidget: public QWidget, private QEffects +{ + Q_OBJECT + public: + QAlphaWidget( QWidget* w, WFlags f = 0 ); + + void run( int time ); + + protected: + void paintEvent( QPaintEvent* e ); + void closeEvent( QCloseEvent* ); + bool eventFilter( QObject* o, QEvent* e ); + void alphaBlend(); + + protected slots: + void render(); + + private: + QPixmap pm; + double alpha; + QImage back; + QImage front; + QImage mixed; + QGuardedPtr<QAccessWidget> widget; + int duration; + int elapsed; + bool showWidget; + QTimer anim; + QTime checkTime; +}; + +/* + Internal class QRollEffect + + The QRollEffect widget is shown while the animation lasts + and displays a scrolling pixmap. +*/ + +class QRollEffect : public QWidget, private QEffects +{ + Q_OBJECT + public: + QRollEffect( QWidget* w, WFlags f, DirFlags orient ); + + void run( int time ); + + protected: + void paintEvent( QPaintEvent* ); + bool eventFilter( QObject*, QEvent* ); + void closeEvent( QCloseEvent* ); + + private slots: + void scroll(); + + private: + QGuardedPtr<QAccessWidget> widget; + + int currentHeight; + int currentWidth; + int totalHeight; + int totalWidth; + + int duration; + int elapsed; + bool done; + bool showWidget; + int orientation; + + QTimer anim; + QTime checkTime; + + QPixmap pm; +}; + +/******************************/ + +#endif // QT_NO_EFFECTS + +#endif // QEFFECTS_P_H + +#endif // #if 0 |