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
48	QSize viewportSize();
49
50signals:
51	void showCursor();
52	void hideCursor();
53
54public slots:
55	virtual void startDrawing(mCoreThread* context) = 0;
56	virtual void stopDrawing() = 0;
57	virtual void pauseDrawing() = 0;
58	virtual void unpauseDrawing() = 0;
59	virtual void forceDraw() = 0;
60	virtual void lockAspectRatio(bool lock);
61	virtual void lockIntegerScaling(bool lock);
62	virtual void filter(bool filter);
63	virtual void framePosted(const uint32_t*) = 0;
64	virtual void setShaders(struct VDir*) = 0;
65	virtual void clearShaders() = 0;
66
67	void showMessage(const QString& message);
68
69protected:
70	virtual void resizeEvent(QResizeEvent*) override;
71	virtual void mouseMoveEvent(QMouseEvent*) override;
72
73	MessagePainter* messagePainter() { return &m_messagePainter; }
74
75	void setSystemDimensions(int width, int height);
76
77private:
78	static Driver s_driver;
79	static const int MOUSE_DISAPPEAR_TIMER = 1000;
80
81	MessagePainter m_messagePainter;
82	bool m_lockAspectRatio = false;
83	bool m_lockIntegerScaling = false;
84	bool m_filter = false;
85	QTimer m_mouseTimer;
86	int m_coreWidth;
87	int m_coreHeight;
88};
89
90}
91
92#endif