first commit

project/fm_viewer/ui/rm_slider.h

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+#ifndef RM_SLIDER_H
+#define RM_SLIDER_H
+
+#include <QSlider>
+#include <QWheelEvent>
+#include <QPaintEvent>
+
+class RMSlider : public QSlider
+{
+    Q_OBJECT
+public:
+    explicit RMSlider(QWidget *parent = nullptr);
+    ~RMSlider();
+
+protected:
+    virtual void mousePressEvent(QMouseEvent *event);
+    //virtual void mouseReleaseEvent(QMouseEvent *event);
+    virtual void wheelEvent(QWheelEvent *event);
+
+    inline int pick(const QPoint &pt) const;
+    int pixelPosToRangeValue(int pos) const;
+    void initStyleOption_Qt430(QStyleOptionSlider *option) const;
+
+    virtual void mouseReleaseEvent(QMouseEvent *event);
+signals:
+    void mouseReleased();
+    void sliderPressedWithKnob(bool bKnob);
+
+signals:
+
+public slots:
+};
+
+class RMReleasedSlider : public RMSlider
+{
+public:
+    //QStringList tickStrings;
+    RMReleasedSlider(QWidget *parent = 0);
+    virtual void mouseReleaseEvent(QMouseEvent *event);
+
+private:
+    //void paintEvent(QPaintEvent *ev) override;
+};
+
+#endif // RM_SLIDER_H