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#ifndef QGBA_DISPLAY
 7#define QGBA_DISPLAY
 8
 9#include <mgba-util/common.h>
10
11#include <QWidget>
12
13#include "MessagePainter.h"
14
15struct mCoreThread;
16struct VDir;
17struct VideoShader;
18
19namespace QGBA {
20
21class Display : public QWidget {
22Q_OBJECT
23
24public:
25	enum class Driver {
26		QT = 0,
27#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
28		OPENGL = 1,
29#endif
30#ifdef BUILD_GL
31		OPENGL1 = 2,
32#endif
33	};
34
35	Display(QWidget* parent = nullptr);
36
37	static Display* create(QWidget* parent = nullptr);
38	static void setDriver(Driver driver) { s_driver = driver; }
39
40	bool isAspectRatioLocked() const { return m_lockAspectRatio; }
41	bool isIntegerScalingLocked() const { return m_lockIntegerScaling; }
42	bool isFiltered() const { return m_filter; }
43
44	virtual bool isDrawing() const = 0;
45	virtual bool supportsShaders() const = 0;
46	virtual VideoShader* shaders() = 0;
47
48signals:
49	void showCursor();
50	void hideCursor();
51
52public slots:
53	virtual void startDrawing(mCoreThread* context) = 0;
54	virtual void stopDrawing() = 0;
55	virtual void pauseDrawing() = 0;
56	virtual void unpauseDrawing() = 0;
57	virtual void forceDraw() = 0;
58	virtual void lockAspectRatio(bool lock);
59	virtual void lockIntegerScaling(bool lock);
60	virtual void filter(bool filter);
61	virtual void framePosted(const uint32_t*) = 0;
62	virtual void setShaders(struct VDir*) = 0;
63	virtual void clearShaders() = 0;
64
65	void showMessage(const QString& message);
66
67protected:
68	virtual void resizeEvent(QResizeEvent*) override;
69	virtual void mouseMoveEvent(QMouseEvent*) override;
70
71	MessagePainter* messagePainter() { return &m_messagePainter; }
72
73private:
74	static Driver s_driver;
75	static const int MOUSE_DISAPPEAR_TIMER = 1000;
76
77	MessagePainter m_messagePainter;
78	bool m_lockAspectRatio;
79	bool m_lockIntegerScaling;
80	bool m_filter;
81	QTimer m_mouseTimer;
82};
83
84}
85
86#endif