mirror-chatterino2/widgets/scrollbar.h
2017-04-12 17:46:44 +02:00

80 lines
1.8 KiB
C++

#ifndef SCROLLBAR_H
#define SCROLLBAR_H
#include "widgets/scrollbarhighlight.h"
#include <QMutex>
#include <QPropertyAnimation>
#include <QWidget>
#include <boost/signals2.hpp>
#include <functional>
namespace chatterino {
namespace widgets {
class ScrollBar : public QWidget
{
Q_OBJECT
public:
ScrollBar(QWidget *parent = 0);
~ScrollBar();
void removeHighlightsWhere(std::function<bool(ScrollBarHighlight &)> func);
void addHighlight(ScrollBarHighlight *highlight);
Q_PROPERTY(qreal _desiredValue READ getDesiredValue WRITE setDesiredValue)
void setMaximum(qreal value);
void setMinimum(qreal value);
void setLargeChange(qreal value);
void setSmallChange(qreal value);
void setDesiredValue(qreal value, bool animated = false);
qreal getMaximum() const;
qreal getMinimum() const;
qreal getLargeChange() const;
qreal getSmallChange() const;
qreal getDesiredValue() const;
qreal getCurrentValue() const;
boost::signals2::signal<void()> &getCurrentValueChanged();
void setCurrentValue(qreal value);
private:
Q_PROPERTY(qreal _currentValue READ getCurrentValue WRITE setCurrentValue)
QMutex _mutex;
ScrollBarHighlight *_highlights;
QPropertyAnimation _currentValueAnimation;
void paintEvent(QPaintEvent *);
void mouseMoveEvent(QMouseEvent *event);
void mousePressEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
void leaveEvent(QEvent *);
int _mouseOverIndex;
int _mouseDownIndex;
QPoint _lastMousePosition;
int _buttonHeight;
int _trackHeight;
QRect _thumbRect;
qreal _maximum;
qreal _minimum;
qreal _largeChange;
qreal _smallChange;
qreal _desiredValue;
qreal _currentValue;
boost::signals2::signal<void()> _currentValueChanged;
void updateScroll();
};
}
}
#endif // SCROLLBAR_H