142 lines
4.0 KiB
C++
142 lines
4.0 KiB
C++
/***************************************************************************
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amarokslider.h - description
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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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***************************************************************************/
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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 AMAROKSLIDER_H
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#define AMAROKSLIDER_H
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#include <QPixmap>
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#include <QSlider>
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#include <QList>
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class QPalette;
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class QTimer;
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namespace Amarok {
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class Slider : public QSlider {
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Q_OBJECT
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public:
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Slider(Qt::Orientation, QWidget*, uint max = 0);
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virtual void setValue(int);
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// WARNING non-virtual - and thus only really intended for internal use
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// this is a major flaw in the class presently, however it suits our
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// current needs fine
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int value() const { return adjustValue(QSlider::value()); }
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signals:
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// we emit this when the user has specifically changed the slider
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// so connect to it if valueChanged() is too generic
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// Qt also emits valueChanged( int )
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void sliderReleased(int);
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protected:
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virtual void wheelEvent(QWheelEvent*);
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virtual void mouseMoveEvent(QMouseEvent*);
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virtual void mouseReleaseEvent(QMouseEvent*);
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virtual void mousePressEvent(QMouseEvent*);
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virtual void slideEvent(QMouseEvent*);
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bool m_sliding;
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/// we flip the value for vertical sliders
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int adjustValue(int v) const {
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int mp = (minimum() + maximum()) / 2;
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return orientation() == Qt::Vertical ? mp - (v - mp) : v;
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}
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private:
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bool m_outside;
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int m_prevValue;
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Slider(const Slider&); // undefined
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Slider& operator=(const Slider&); // undefined
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};
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class PrettySlider : public Slider {
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Q_OBJECT
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public:
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typedef enum {
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Normal, // Same behavior as Slider *unless* there's a moodbar
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Pretty
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} SliderMode;
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PrettySlider(Qt::Orientation orientation, SliderMode mode, QWidget* parent,
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uint max = 0);
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protected:
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virtual void slideEvent(QMouseEvent*);
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virtual void mousePressEvent(QMouseEvent*);
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private:
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PrettySlider(const PrettySlider&); // undefined
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PrettySlider& operator=(const PrettySlider&); // undefined
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SliderMode m_mode;
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};
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class VolumeSlider : public Slider {
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Q_OBJECT
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public:
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VolumeSlider(QWidget* parent, uint max = 0);
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protected:
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virtual void paintEvent(QPaintEvent*);
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virtual void enterEvent(QEvent*);
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virtual void leaveEvent(QEvent*);
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virtual void paletteChange(const QPalette&);
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virtual void slideEvent(QMouseEvent*);
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virtual void mousePressEvent(QMouseEvent*);
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virtual void contextMenuEvent(QContextMenuEvent*);
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virtual void wheelEvent(QWheelEvent* e);
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private slots:
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virtual void slotAnimTimer();
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private:
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void generateGradient();
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QPixmap drawVolumePixmap() const;
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void drawVolumeSliderHandle();
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VolumeSlider(const VolumeSlider&); // undefined
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VolumeSlider& operator=(const VolumeSlider&); // undefined
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////////////////////////////////////////////////////////////////
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static const int ANIM_INTERVAL = 18;
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static const int ANIM_MAX = 18;
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bool m_animEnter;
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int m_animCount;
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QTimer* m_animTimer;
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QPixmap m_pixmapInset;
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QPixmap m_pixmapGradient;
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QColor m_previous_theme_text_color;
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QColor m_previous_theme_highlight_color;
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QList<QPixmap> m_handlePixmaps;
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};
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}
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#endif
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