49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
#ifndef RANGESLIDER_H
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#define RANGESLIDER_H
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#include <QWidget>
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class RangeSlider : public QWidget {
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Q_OBJECT
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public:
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explicit RangeSlider(int style_ = 0,QWidget *parent = nullptr);
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void setRange(int min, int max);
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void setSliderWidth(int width); // 新增方法：设置宽度
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float lowerValue() const;
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float upperValue() const;
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void setLowerValue(float val);
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void setUpperValue(float val);
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float m_lower = 3.5;
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float m_upper = 6.5;
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int style = 0;
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signals:
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void rangeChanged(float lower, float upper);
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protected:
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void paintEvent(QPaintEvent *) override;
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void mousePressEvent(QMouseEvent *) override;
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void mouseMoveEvent(QMouseEvent *) override;
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void mouseReleaseEvent(QMouseEvent *) override;
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private:
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float m_min = 0;
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float m_max = 10;
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int sliderWidth = 10; // 默认宽度（可以根据需求调整）
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int handleRadius = 8;
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enum HandleType { NoHandle, LowerHandle, UpperHandle };
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HandleType currentHandle = NoHandle;
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float valueToY(float value) const;
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float yToValue(float y) const;
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HandleType handleHitTest(float y) const;
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int niceStep(int range, int maxLabels);
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void drawTicks(QPainter *p);
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void drawTemperatureStyle(QPainter *p);
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};
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#endif // RANGESLIDER_H
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