inital commit

led.cpp

@@ -0,0 +1,55 @@
+/*UVOS*/
+
+/* This file is part of MAClient copyright © 2021 Carl Philipp Klemm.
+ *
+ * MAClient is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (GPL) version 
+ * 3 as published by the Free Software Foundation.
+ *
+ * MAClient is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MAClient.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "led.h"
+#include <QPainter>
+#include <algorithm>
+
+Led::Led(QWidget* parent): QWidget(parent)
+{
+	setMinimumSize(QSize(40,40));
+	setSizePolicy(QSizePolicy::Policy::Fixed, QSizePolicy::Policy::Fixed);
+}
+
+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.setRenderHint(QPainter::Antialiasing, true);
+	ledPainter.setPen(Qt::black);
+	if(lit_)
+		ledPainter.setBrush(Qt::green);
+	else
+		ledPainter.setBrush(Qt::red);
+	int size = std::min(rect().width(), rect().height());
+	QRect ellipseRect(rect().x()+(rect().width()-size)/2+1, rect().y()+(rect().height()-size)/2+1, size-2, size-2);
+	ledPainter.drawEllipse(ellipseRect);
+}