diff -r 966b5de3182e -r 04b93b656b60 src/LED.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/LED.h	Tue Jun 28 20:12:16 2022 +0200
@@ -0,0 +1,78 @@
+#ifndef _LED_H_
+#define _LED_H_
+
+#include <QtDesigner/QtDesigner>
+#include <QWidget>
+
+class QTimer;
+
+class QDESIGNER_WIDGET_EXPORT LED : public QWidget
+{
+	Q_OBJECT
+
+	Q_PROPERTY(double diameter READ diameter WRITE setDiameter) // mm
+	Q_PROPERTY(QColor color READ color WRITE setColor)
+	Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
+	Q_PROPERTY(bool state READ state WRITE setState)
+	Q_PROPERTY(bool flashing READ isFlashing WRITE setFlashing)
+	Q_PROPERTY(int flashRate READ flashRate WRITE setFlashRate)
+
+public:
+	explicit LED(QWidget* parent=0);
+	~LED();
+
+	double diameter() const;
+	void setDiameter(double diameter);
+
+	QColor color() const;
+	void setColor(const QColor& color);
+
+	Qt::Alignment alignment() const;
+	void setAlignment(Qt::Alignment alignment);
+
+    bool state() const;
+
+    bool isFlashing() const;
+
+    int flashRate() const;
+
+public slots:
+	void setState(bool state);
+	void toggleState();
+	void setFlashing(bool flashing);
+	void setFlashRate(int rate);
+	void startFlashing();
+	void stopFlashing();
+
+public:
+	int heightForWidth(int width) const;
+	QSize sizeHint() const;
+	QSize minimumSizeHint() const;
+
+protected:
+	void paintEvent(QPaintEvent* event);
+
+private:
+	double diameter_;
+	QColor color_;
+	Qt::Alignment alignment_;
+	bool initialState_;
+	bool state_;
+	int flashRate_;
+	bool flashing_;
+
+	//
+	// Pixels per mm for x and y...
+	//
+	int pixX_, pixY_;
+
+	//
+	// Scaled values for x and y diameter.
+	//
+	int diamX_, diamY_;
+
+	QRadialGradient gradient_;
+	QTimer* timer_;
+};
+
+#endif