93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
/***************************************************************************
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volumeslider.h
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-------------------
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begin : Dec 15 2003
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copyright : (C) 2003 by Mark Kretschmann
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email : markey@web.de
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copyright : (C) 2005 by Gábor Lehel
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email : illissius@gmail.com
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copyright : (C) 2018-2023 by Jonas Kvinge
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email : jonas@jkvinge.net
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef VOLUMESLIDER_H
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#define VOLUMESLIDER_H
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#include <QtGlobal>
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#include <QObject>
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#include <QList>
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#include <QPixmap>
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#include <QPalette>
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#include <QColor>
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#include "sliderslider.h"
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class QTimer;
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class QEnterEvent;
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class QPaintEvent;
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class QMouseEvent;
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class QWheelEvent;
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class QContextMenuEvent;
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class QEvent;
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class VolumeSlider : public SliderSlider {
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Q_OBJECT
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public:
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explicit VolumeSlider(QWidget *parent, uint max = 0);
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void SetEnabled(const bool enabled);
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void HandleWheel(const int delta);
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protected:
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void enterEvent(QEnterEvent *e) override;
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void leaveEvent(QEvent *e) override;
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void paintEvent(QPaintEvent *e) override;
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virtual void paletteChange(const QPalette &palette);
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void slideEvent(QMouseEvent *e) override;
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void contextMenuEvent(QContextMenuEvent *e) override;
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void mousePressEvent(QMouseEvent*) override;
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void wheelEvent(QWheelEvent *e) override;
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private Q_SLOTS:
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virtual void slotAnimTimer();
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private:
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static const int ANIM_INTERVAL = 18;
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static const int ANIM_MAX = 18;
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// Units are eighths of a degree
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static const int WHEEL_ROTATION_PER_STEP = 30;
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VolumeSlider(const VolumeSlider&);
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VolumeSlider &operator=(const VolumeSlider&);
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void generateGradient();
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QPixmap drawVolumePixmap() const;
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void drawVolumeSliderHandle();
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int wheel_accumulator_;
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bool anim_enter_;
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int anim_count_;
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QTimer *timer_anim_;
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QPixmap pixmap_inset_;
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QPixmap pixmap_gradient_;
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QColor previous_theme_text_color_;
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QColor previous_theme_highlight_color_;
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QList<QPixmap> handle_pixmaps_;
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};
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#endif // VOLUMESLIDER_H
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