Fixed slider painting, part III

trash/bcvaluesliderold.h

@@ -0,0 +1,67 @@
+#ifndef BC_VALUESLIDER_H
+#define BC_VALUESLIDER_H
+
+
+#include <QWidget>
+#include <QTableView>
+#include <QSlider>
+#include <QPainter>
+#include <QProxyStyle>
+
+#include <bcvalue.h>
+#include <ui_bcvaluesliderold.h>
+
+class QSlider;
+class QPushButton;
+class BCValue;
+
+
+class BCValueSliderOld : public QWidget, private Ui::BCValueSliderOld
+{
+  Q_OBJECT
+
+public:
+
+  explicit  BCValueSliderOld(QWidget *parent = nullptr);
+
+  int  value() const;
+  void setValueAndRange( const BCValue::ValueRange& params );
+
+  // helper functions
+  static QRect clipToSliderRect( const QRect& rect);
+  static void  paintSliderIndicator(QPainter* painter, const QRect& rect, double ratio );
+
+  static constexpr int cToolIconOffset  =  24;
+
+signals:
+
+  void valueChanged(int value);
+  void valueCommited(int value);
+
+
+protected:
+
+  // Fluent Design Slider Style
+  class BCValueSliderStyle : public QProxyStyle
+  {
+
+  public:
+
+    BCValueSliderStyle();
+
+    int pixelMetric(PixelMetric metric, const QStyleOption* option = nullptr, const QWidget* widget = nullptr) const override;
+
+    QRect subControlRect(ComplexControl cc, const QStyleOptionComplex* opt, SubControl sc, const QWidget* widget) const override;
+    void drawComplexControl(ComplexControl control, const QStyleOptionComplex* option, QPainter* painter, const QWidget* widget) const override;
+    void drawHorizontalFluentSlider(QPainter* painter, const QStyleOptionSlider* slider, const QColor& activeColor, const QColor& bgColor) const;
+
+  };
+
+  static constexpr int cTextBlockOffset =  130;
+  static constexpr int cPaddingRight    =  8;
+  static constexpr int cSliderWidth     =  117;
+
+  std::unique_ptr<BCValueSliderStyle> _sliderStyle;
+};
+
+#endif // BC_VALUESLIDER_H