#pragma once #include class GProgressBar : public GWidget { public: explicit GProgressBar(GWidget* parent); virtual ~GProgressBar() override; void set_range(int min, int max); void set_value(int); int value() const { return m_value; } protected: virtual void paint_event(GPaintEvent&) override; private: int m_min { 0 }; int m_max { 100 }; int m_value { 0 }; };