refactor: Scan process.

src/components/CoordinateXYWidget.h

@@ -0,0 +1,37 @@
+#ifndef COORDINATEXYWIDGET_H
+#define COORDINATEXYWIDGET_H
+
+#include <QWidget>
+
+class QTimer;
+
+class CoordinateXYWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    CoordinateXYWidget(QWidget* aParent);
+    ~CoordinateXYWidget();
+    void setBlinkPoint(int aX, int aY);
+    void stopFlash();
+    void startFlash();
+    void quit();
+
+protected:
+    void paintEvent(QPaintEvent* aEvent);
+
+private:
+    void updateFlash();
+    void updateStopFlash();
+
+private:
+    int mAngle;
+    QTimer* mTimer;
+    bool mBlinking;
+    int mBlinkFrequency;
+    int mBlinkPointX;
+    QPointF mBlinkPoint;
+
+    double mStopGradientEnd;
+};
+
+#endif // COORDINATEXYWIDGET_H