Chris@132: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@132: 
Chris@132: /*
Chris@132:     Sonic Visualiser
Chris@132:     An audio file viewer and annotation editor.
Chris@132:     Centre for Digital Music, Queen Mary, University of London.
Chris@182:     This file copyright 2006 QMUL.
Chris@132:     
Chris@132:     This program is free software; you can redistribute it and/or
Chris@132:     modify it under the terms of the GNU General Public License as
Chris@132:     published by the Free Software Foundation; either version 2 of the
Chris@132:     License, or (at your option) any later version.  See the file
Chris@132:     COPYING included with this distribution for more information.
Chris@132: */
Chris@132: 
Chris@132: #ifndef _THUMBWHEEL_H_
Chris@132: #define _THUMBWHEEL_H_
Chris@132: 
Chris@132: #include <QWidget>
Chris@382: #include <QImage>
Chris@382: 
Chris@382: #include <map>
Chris@132: 
Chris@187: class RangeMapper;
Chris@187: 
Chris@132: class Thumbwheel : public QWidget
Chris@132: {
Chris@132:     Q_OBJECT
Chris@132: 
Chris@132: public:
Chris@133:     Thumbwheel(Qt::Orientation orientation, QWidget *parent = 0);
Chris@132:     virtual ~Thumbwheel();
Chris@132: 
Chris@133:     int getMinimumValue() const;
Chris@133:     int getMaximumValue() const;
Chris@133:     int getDefaultValue() const;
Chris@132:     float getSpeed() const;
Chris@132:     bool getTracking() const;
Chris@132:     bool getShowScale() const;
Chris@132:     int getValue() const;
Chris@132: 
Chris@187:     void setRangeMapper(RangeMapper *mapper); // I take ownership, will delete
Chris@187:     const RangeMapper *getRangeMapper() const { return m_rangeMapper; }
Chris@908:     double getMappedValue() const;
Chris@187: 
Chris@187:     void setShowToolTip(bool show);
Chris@187: 
Chris@132:     QSize sizeHint() const;
Chris@132: 
Chris@132: signals:
Chris@132:     void valueChanged(int);
Chris@132: 
Chris@189:     void mouseEntered();
Chris@189:     void mouseLeft();
Chris@189: 
Chris@133: public slots:
Chris@133:     void setMinimumValue(int min);
Chris@133:     void setMaximumValue(int max);
Chris@133:     void setDefaultValue(int deft);
Chris@133:     void setSpeed(float speed);
Chris@133:     void setTracking(bool tracking);
Chris@133:     void setShowScale(bool show);
Chris@133:     void setValue(int value);
Chris@908:     void setMappedValue(double mappedValue);
Chris@256:     void scroll(bool up);
Chris@133:     void resetToDefault();
Chris@133: 
Chris@187: protected slots:
Chris@187:     void updateMappedValue(int value);
Chris@187: 
Chris@189: protected:
Chris@189:     virtual void mousePressEvent(QMouseEvent *e);
Chris@189:     virtual void mouseDoubleClickEvent(QMouseEvent *e);
Chris@189:     virtual void mouseMoveEvent(QMouseEvent *e);
Chris@189:     virtual void mouseReleaseEvent(QMouseEvent *e);
Chris@189:     virtual void wheelEvent(QWheelEvent *e);
Chris@189:     virtual void paintEvent(QPaintEvent *e);
Chris@189:     virtual void enterEvent(QEvent *);
Chris@189:     virtual void leaveEvent(QEvent *);
Chris@189: 
Chris@132:     int m_min;
Chris@132:     int m_max;
Chris@132:     int m_default;
Chris@132:     int m_value;
Chris@908:     double m_mappedValue;
Chris@187:     bool m_noMappedUpdate;
Chris@165:     float m_rotation;
Chris@132:     Qt::Orientation m_orientation;
Chris@132:     float m_speed;
Chris@132:     bool m_tracking;
Chris@132:     bool m_showScale;
Chris@132:     bool m_clicked;
Chris@133:     bool m_atDefault;
Chris@132:     QPoint m_clickPos;
Chris@165:     float m_clickRotation;
Chris@187:     bool m_showTooltip;
Chris@187:     RangeMapper *m_rangeMapper;
Chris@382:     QImage m_cache;
Chris@132: };
Chris@132: 
Chris@132: #endif