1 files changed, 88 insertions, 0 deletions
diff --git a/qtbotsim/robotwidget.cpp b/qtbotsim/robotwidget.cpp
new file mode 100644
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+++ b/qtbotsim/robotwidget.cpp
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+/*
+ * In the original BSD license, both occurrences of the phrase "COPYRIGHT
+ * HOLDERS AND CONTRIBUTORS" in the disclaimer read "REGENTS AND CONTRIBUTORS".
+ *
+ * Here is the license template:
+ *
+ * Copyright (c) 2011, Johan Thelin <[email protected]>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of Johan Thelin nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "robotwidget.h"
+
+#include <QPainter>
+
+#include "robot.h"
+
+RobotWidget::RobotWidget(QWidget *parent)
+	: QWidget(parent)
+	, m_robot(0)
+{
+	m_paper = QPixmap(500, 500);
+	reset();
+
+	setMinimumSize(sizeHint());
+	setMaximumSize(sizeHint());
+}
+
+void RobotWidget::setRobot(Robot *robot)
+{
+	m_robot = robot;
+	reset();
+}
+
+QSize RobotWidget::sizeHint()
+{
+	return m_paper.size();
+}
+
+void RobotWidget::reset()
+{
+	m_paper.fill(Qt::white);
+	QPainter p(&m_paper);
+	QPen pen(Qt::black);
+	pen.setWidth(10);
+	p.setPen(pen);
+	p.drawEllipse(100, 100, 300, 300);
+	if (m_robot)
+		m_robot->reset(m_paper);
+	update();
+}
+
+void RobotWidget::step()
+{
+	m_robot->step(&m_paper);
+	update();
+}
+
+void RobotWidget::paintEvent(QPaintEvent *)
+{
+	QPainter p(this);
+	p.drawPixmap(0, 0, m_paper);
+	p.setRenderHint(QPainter::Antialiasing);
+	if (m_robot)
+		m_robot->drawOverlay(p);
+}