Initial commit

src/ui/led.cpp

@@ -0,0 +1,31 @@
+#include "led.h"
+#include <QPainter>
+
+Led::Led(QWidget* parent): QWidget(parent)
+{
+}
+
+bool Led::lit() const
+{
+	return lit_;
+}
+
+void Led::setLit(bool lit)
+{
+	if(lit != lit_)
+	{
+		lit_ = lit;
+		stateChanged(lit_);
+		update();
+	}
+}
+
+void Led::paintEvent(QPaintEvent* event)
+{
+	Q_UNUSED(event)
+	QPainter ledPainter(this);
+	ledPainter.setPen(Qt::black);
+	if(lit_) ledPainter.setBrush(Qt::red);
+	else ledPainter.setBrush(Qt::NoBrush);
+	ledPainter.drawEllipse(rect().adjusted(0, 0, -1, -1));
+}