Mercurial > hg > svgui
view widgets/Thumbwheel.h @ 1255:bbdfe9b57857
Fix crash when changing window size in the spectrum layer
author | Chris Cannam |
---|---|
date | Tue, 07 Mar 2017 18:39:37 +0000 |
parents | 4a578a360011 |
children | 13f5f84fbfad |
line wrap: on
line source
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef _THUMBWHEEL_H_ #define _THUMBWHEEL_H_ #include <QWidget> #include <QImage> #include <map> class RangeMapper; class Thumbwheel : public QWidget { Q_OBJECT public: Thumbwheel(Qt::Orientation orientation, QWidget *parent = 0); virtual ~Thumbwheel(); int getMinimumValue() const; int getMaximumValue() const; int getDefaultValue() const; float getSpeed() const; bool getTracking() const; bool getShowScale() const; int getValue() const; void setRangeMapper(RangeMapper *mapper); // I take ownership, will delete const RangeMapper *getRangeMapper() const { return m_rangeMapper; } double getMappedValue() const; void setShowToolTip(bool show); QSize sizeHint() const; signals: void valueChanged(int); void mouseEntered(); void mouseLeft(); public slots: void setMinimumValue(int min); void setMaximumValue(int max); void setDefaultValue(int deft); void setSpeed(float speed); void setTracking(bool tracking); void setShowScale(bool show); void setValue(int value); void setMappedValue(double mappedValue); void scroll(bool up); void resetToDefault(); protected slots: void updateMappedValue(int value); protected: virtual void mousePressEvent(QMouseEvent *e); virtual void mouseDoubleClickEvent(QMouseEvent *e); virtual void mouseMoveEvent(QMouseEvent *e); virtual void mouseReleaseEvent(QMouseEvent *e); virtual void wheelEvent(QWheelEvent *e); virtual void paintEvent(QPaintEvent *e); virtual void enterEvent(QEvent *); virtual void leaveEvent(QEvent *); int m_min; int m_max; int m_default; int m_value; double m_mappedValue; bool m_noMappedUpdate; float m_rotation; Qt::Orientation m_orientation; float m_speed; bool m_tracking; bool m_showScale; bool m_clicked; bool m_atDefault; QPoint m_clickPos; float m_clickRotation; bool m_showTooltip; RangeMapper *m_rangeMapper; QImage m_cache; }; #endif