qwt_abstract_slider.h
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00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** 00002 * Qwt Widget Library 00003 * Copyright (C) 1997 Josef Wilgen 00004 * Copyright (C) 2002 Uwe Rathmann 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the Qwt License, Version 1.0 00008 *****************************************************************************/ 00009 00010 #ifndef QWT_ABSTRACT_SLIDER_H 00011 #define QWT_ABSTRACT_SLIDER_H 00012 00013 #include <qwidget.h> 00014 #include "qwt_global.h" 00015 #include "qwt_double_range.h" 00016 00028 class QWT_EXPORT QwtAbstractSlider : public QWidget, public QwtDoubleRange 00029 { 00030 Q_OBJECT 00031 Q_PROPERTY( bool readOnly READ isReadOnly WRITE setReadOnly ) 00032 Q_PROPERTY( bool valid READ isValid WRITE setValid ) 00033 Q_PROPERTY( double mass READ mass WRITE setMass ) 00034 #ifndef Q_MOC_RUN // Qt3 moc 00035 #define QWT_PROPERTY Q_PROPERTY 00036 Q_PROPERTY( Orientation orientation 00037 READ orientation WRITE setOrientation ) 00038 #else // Qt4 moc 00039 // MOC_SKIP_BEGIN 00040 Q_PROPERTY( Qt::Orientation orientation 00041 READ orientation WRITE setOrientation ) 00042 // MOC_SKIP_END 00043 #endif 00044 00045 public: 00050 enum ScrollMode 00051 { 00052 ScrNone, 00053 ScrMouse, 00054 ScrTimer, 00055 ScrDirect, 00056 ScrPage 00057 }; 00058 00059 explicit QwtAbstractSlider(Qt::Orientation, QWidget *parent = NULL); 00060 virtual ~QwtAbstractSlider(); 00061 00062 void setUpdateTime(int t); 00063 void stopMoving(); 00064 void setTracking(bool enable); 00065 00066 virtual void setMass(double val); 00067 virtual double mass() const; 00068 00069 #if QT_VERSION >= 0x040000 00070 virtual void setOrientation(Qt::Orientation o); 00071 Qt::Orientation orientation() const; 00072 #else 00073 virtual void setOrientation(Orientation o); 00074 Orientation orientation() const; 00075 #endif 00076 00077 bool isReadOnly() const; 00078 00079 /* 00080 Wrappers for QwtDblRange::isValid/QwtDblRange::setValid made 00081 to be available as Q_PROPERTY in the designer. 00082 */ 00083 00087 bool isValid() const { return QwtDoubleRange::isValid(); } 00088 00093 void setValid(bool valid) { QwtDoubleRange::setValid(valid); } 00094 00095 public slots: 00096 virtual void setValue(double val); 00097 virtual void fitValue(double val); 00098 virtual void incValue(int steps); 00099 00100 virtual void setReadOnly(bool); 00101 00102 signals: 00103 00112 void valueChanged(double value); 00113 00118 void sliderPressed(); 00119 00125 void sliderReleased(); 00131 void sliderMoved(double value); 00132 00133 protected: 00134 virtual void setPosition(const QPoint &); 00135 virtual void valueChange(); 00136 00137 virtual void timerEvent(QTimerEvent *e); 00138 virtual void mousePressEvent(QMouseEvent *e); 00139 virtual void mouseReleaseEvent(QMouseEvent *e); 00140 virtual void mouseMoveEvent(QMouseEvent *e); 00141 virtual void keyPressEvent(QKeyEvent *e); 00142 virtual void wheelEvent(QWheelEvent *e); 00143 00152 virtual double getValue(const QPoint & p) = 0; 00178 virtual void getScrollMode( const QPoint &p, 00179 int &scrollMode, int &direction) = 0; 00180 00181 void setMouseOffset(double); 00182 double mouseOffset() const; 00183 00184 int scrollMode() const; 00185 00186 private: 00187 void buttonReleased(); 00188 00189 class PrivateData; 00190 PrivateData *d_data; 00191 }; 00192 00193 #endif
