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 <mgba-util/common.h>
 9
10#include <memory>
11
12#include <QWidget>
13
14#include "MessagePainter.h"
15
16struct VDir;
17struct VideoShader;
18
19namespace QGBA {
20
21class CoreController;
22class VideoProxy;
23
24class Display : public QWidget {
25Q_OBJECT
26
27public:
28	enum class Driver {
29		QT = 0,
30#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
31		OPENGL = 1,
32#endif
33#ifdef BUILD_GL
34		OPENGL1 = 2,
35#endif
36	};
37
38	Display(QWidget* parent = nullptr);
39
40	static Display* create(QWidget* parent = nullptr);
41	static void setDriver(Driver driver) { s_driver = driver; }
42
43	bool isAspectRatioLocked() const { return m_lockAspectRatio; }
44	bool isIntegerScalingLocked() const { return m_lockIntegerScaling; }
45	bool hasInterframeBlending() const { return m_interframeBlending; }
46	bool isFiltered() const { return m_filter; }
47	bool isShowOSD() const { return m_showOSD; }
48
49	virtual void startDrawing(std::shared_ptr<CoreController>) = 0;
50	virtual bool isDrawing() const = 0;
51	virtual bool supportsShaders() const = 0;
52	virtual VideoShader* shaders() = 0;
53	virtual int framebufferHandle() { return -1; }
54
55	virtual void setVideoProxy(std::shared_ptr<VideoProxy> proxy) { m_videoProxy = proxy; }
56	std::shared_ptr<VideoProxy> videoProxy() { return m_videoProxy; }
57	
58signals:
59	void showCursor();
60	void hideCursor();
61
62public slots:
63	virtual void stopDrawing() = 0;
64	virtual void pauseDrawing() = 0;
65	virtual void unpauseDrawing() = 0;
66	virtual void forceDraw() = 0;
67	virtual void lockAspectRatio(bool lock);
68	virtual void lockIntegerScaling(bool lock);
69	virtual void interframeBlending(bool enable);
70	virtual void showOSDMessages(bool enable);
71	virtual void filter(bool filter);
72	virtual void framePosted() = 0;
73	virtual void setShaders(struct VDir*) = 0;
74	virtual void clearShaders() = 0;
75	virtual void resizeContext() = 0;
76
77	void showMessage(const QString& message);
78
79protected:
80	virtual void resizeEvent(QResizeEvent*) override;
81	virtual void mouseMoveEvent(QMouseEvent*) override;
82
83	MessagePainter* messagePainter() { return &m_messagePainter; }
84
85private:
86	static Driver s_driver;
87	static const int MOUSE_DISAPPEAR_TIMER = 1000;
88
89	MessagePainter m_messagePainter;
90	bool m_showOSD = true;
91	bool m_lockAspectRatio = false;
92	bool m_lockIntegerScaling = false;
93	bool m_interframeBlending = false;
94	bool m_filter = false;
95	QTimer m_mouseTimer;
96	std::shared_ptr<VideoProxy> m_videoProxy;
97};
98
99}