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cleaned_source_code/QMainwindow/QBreathingLight.h

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+#pragma once
+#include <QWidget>
+#include <QTimer>
+#include <QColor>
+#include <QTime>
+class QBreathingLight : public QWidget
+{
+	Q_OBJECT
+public:
+	explicit QBreathingLight(QWidget *parent = nullptr);
+	void setFlashDuration(int milliseconds); 
+	void setFlashColor(const QColor &color); 
+public slots:
+	void triggerSignal(); 
+protected:
+	void paintEvent(QPaintEvent *event) override;
+private slots:
+	void updateAnimation();
+private:
+	float m_opacity;           
+	bool m_isFlashing;         
+	QTimer m_animationTimer;   
+	QColor m_flashColor;       
+	QTime m_flashStartTime;    
+	int m_flashDuration;       
+};