first commit

project/fm_viewer/ui/fm_speed_widget.h

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+#ifndef FM_SPEED_WIDGET_H
+#define FM_SPEED_WIDGET_H
+
+#include <QWidget>
+
+class FMSpeedWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit FMSpeedWidget(QWidget *parent = nullptr);
+    void updateSpeed(int speed);
+private:
+    int currentSpeed;
+    QPixmap numberPixmap;
+    QPixmap barPixmapOn;
+    QPixmap barPixmapOff;
+protected:
+    void paintEvent(QPaintEvent *event) override;
+signals:
+
+public slots:
+};
+
+#endif // FM_SPEED_WIDGET_H