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src/qt/src/widgets/qprogressbar.h
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00001 /****************************************************************************
00002 ** $Id: qt/qprogressbar.h   3.3.8   edited Jan 11 14:38 $
00003 **
00004 ** Definition of QProgressBar class
00005 **
00006 ** Created : 970520
00007 **
00008 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00009 **
00010 ** This file is part of the widgets module of the Qt GUI Toolkit.
00011 **
00012 ** This file may be distributed under the terms of the Q Public License
00013 ** as defined by Trolltech ASA of Norway and appearing in the file
00014 ** LICENSE.QPL included in the packaging of this file.
00015 **
00016 ** This file may be distributed and/or modified under the terms of the
00017 ** GNU General Public License version 2 as published by the Free Software
00018 ** Foundation and appearing in the file LICENSE.GPL included in the
00019 ** packaging of this file.
00020 **
00021 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00022 ** licenses may use this file in accordance with the Qt Commercial License
00023 ** Agreement provided with the Software.
00024 **
00025 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00026 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00027 **
00028 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00029 **   information about Qt Commercial License Agreements.
00030 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00031 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00032 **
00033 ** Contact info@trolltech.com if any conditions of this licensing are
00034 ** not clear to you.
00035 **
00036 **********************************************************************/
00037 
00038 #ifndef QPROGRESSBAR_H
00039 #define QPROGRESSBAR_H
00040 
00041 #ifndef QT_H
00042 #include "qframe.h"
00043 #endif // QT_H
00044 
00045 #ifndef QT_NO_PROGRESSBAR
00046 
00047 
00048 class QProgressBarPrivate;
00049 
00050 
00051 class Q_EXPORT QProgressBar : public QFrame
00052 {
00053     Q_OBJECT
00054     Q_PROPERTY( int totalSteps READ totalSteps WRITE setTotalSteps )
00055     Q_PROPERTY( int progress READ progress WRITE setProgress )
00056     Q_PROPERTY( QString progressString READ progressString )
00057     Q_PROPERTY( bool centerIndicator READ centerIndicator WRITE setCenterIndicator )
00058     Q_PROPERTY( bool indicatorFollowsStyle READ indicatorFollowsStyle WRITE setIndicatorFollowsStyle )
00059     Q_PROPERTY( bool percentageVisible READ percentageVisible WRITE setPercentageVisible )
00060 
00061 public:
00062     QProgressBar( QWidget* parent=0, const char* name=0, WFlags f=0 );
00063     QProgressBar( int totalSteps, QWidget* parent=0, const char* name=0, WFlags f=0 );
00064 
00065     int         totalSteps() const;
00066     int         progress()   const;
00067     const QString &progressString() const;
00068 
00069     QSize       sizeHint() const;
00070     QSize       minimumSizeHint() const;
00071 
00072     void        setCenterIndicator( bool on );
00073     bool        centerIndicator() const;
00074 
00075     void        setIndicatorFollowsStyle( bool );
00076     bool        indicatorFollowsStyle() const;
00077 
00078     bool        percentageVisible() const;
00079     void        setPercentageVisible( bool );
00080 
00081     void        show();
00082 
00083 public slots:
00084     void        reset();
00085     virtual void setTotalSteps( int totalSteps );
00086     virtual void setProgress( int progress );
00087     void        setProgress( int progress, int totalSteps );
00088 
00089 protected:
00090     void        drawContents( QPainter * );
00091     virtual bool setIndicator( QString & progress_str, int progress,
00092                                int totalSteps );
00093     void styleChange( QStyle& );
00094 
00095 private:
00096     int         total_steps;
00097     int         progress_val;
00098     int         percentage;
00099     QString     progress_str;
00100     bool        center_indicator    : 1;
00101     bool        auto_indicator      : 1;
00102     bool        percentage_visible  : 1;
00103     QProgressBarPrivate * d;
00104     void         initFrame();
00105 
00106 private:        // Disabled copy constructor and operator=
00107 #if defined(Q_DISABLE_COPY)
00108     QProgressBar( const QProgressBar & );
00109     QProgressBar &operator=( const QProgressBar & );
00110 #endif
00111 };
00112 
00113 
00114 inline int QProgressBar::totalSteps() const
00115 {
00116     return total_steps;
00117 }
00118 
00119 inline int QProgressBar::progress() const
00120 {
00121     return progress_val;
00122 }
00123 
00124 inline const QString &QProgressBar::progressString() const
00125 {
00126     return progress_str;
00127 }
00128 
00129 inline bool QProgressBar::centerIndicator() const
00130 {
00131     return center_indicator;
00132 }
00133 
00134 inline bool QProgressBar::indicatorFollowsStyle() const
00135 {
00136     return auto_indicator;
00137 }
00138 
00139 inline bool QProgressBar::percentageVisible() const
00140 {
00141     return percentage_visible;
00142 }
00143 
00144 #endif // QT_NO_PROGRESSBAR
00145 
00146 #endif // QPROGRESSBAR_H
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