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
48	virtual void startDrawing(std::shared_ptr<CoreController>) = 0;
49	virtual bool isDrawing() const = 0;
50	virtual bool supportsShaders() const = 0;
51	virtual VideoShader* shaders() = 0;
52	virtual VideoProxy* videoProxy() { return nullptr; }
53	virtual int framebufferHandle() { return -1; }
54
55signals:
56	void showCursor();
57	void hideCursor();
58
59public slots:
60	virtual void stopDrawing() = 0;
61	virtual void pauseDrawing() = 0;
62	virtual void unpauseDrawing() = 0;
63	virtual void forceDraw() = 0;
64	virtual void lockAspectRatio(bool lock);
65	virtual void lockIntegerScaling(bool lock);
66	virtual void interframeBlending(bool enable);
67	virtual void filter(bool filter);
68	virtual void framePosted() = 0;
69	virtual void setShaders(struct VDir*) = 0;
70	virtual void clearShaders() = 0;
71	virtual void resizeContext() = 0;
72
73	void showMessage(const QString& message);
74
75protected:
76	virtual void resizeEvent(QResizeEvent*) override;
77	virtual void mouseMoveEvent(QMouseEvent*) override;
78
79	MessagePainter* messagePainter() { return &m_messagePainter; }
80
81private:
82	static Driver s_driver;
83	static const int MOUSE_DISAPPEAR_TIMER = 1000;
84
85	MessagePainter m_messagePainter;
86	bool m_lockAspectRatio = false;
87	bool m_lockIntegerScaling = false;
88	bool m_interframeBlending = false;
89	bool m_filter = false;
90	QTimer m_mouseTimer;
91};
92
93}