1 /* Copyright (c) 2013-2015 Jeffrey Pfau
2  *
3  * This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #pragma once
7 
8 #include <QMutex>
9 #include <QObject>
10 #include <QPixmap>
11 #include <QStaticText>
12 #include <QTimer>
13 
14 namespace QGBA {
15 
16 class MessagePainter : public QObject {
17 Q_OBJECT
18 
19 public:
20 	MessagePainter(QObject* parent = nullptr);
21 
22 	void resize(const QSize& size, bool lockAspectRatio, qreal scaleFactor);
23 	void paint(QPainter* painter);
24 	void setScaleFactor(qreal factor);
25 
26 public slots:
27 	void showMessage(const QString& message);
28 	void clearMessage();
29 
30 private:
31 	void redraw();
32 
33 	QMutex m_mutex;
34 	QStaticText m_message;
35 	QPixmap m_pixmap;
36 	QPixmap m_pixmapBuffer;
37 	QTimer m_messageTimer{this};
38 	QPoint m_local;
39 	QTransform m_world;
40 	QFont m_messageFont;
41 	qreal m_scaleFactor = 1;
42 };
43 
44 }
45