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_INPUT_CONTROLLER_H
  7#define QGBA_INPUT_CONTROLLER_H
  8
  9#include "GamepadAxisEvent.h"
 10#include "GamepadHatEvent.h"
 11
 12#include <QImage>
 13#include <QObject>
 14#include <QSet>
 15#include <QTimer>
 16#include <QVector>
 17
 18#include <mgba/gba/interface.h>
 19#include <mgba/internal/gba/input.h>
 20
 21#ifdef BUILD_SDL
 22#include "platform/sdl/sdl-events.h"
 23#endif
 24
 25
 26#ifdef BUILD_QT_MULTIMEDIA
 27#include "VideoDumper.h"
 28#endif
 29
 30struct mRotationSource;
 31struct mRumble;
 32
 33class QCamera;
 34
 35namespace QGBA {
 36
 37class ConfigController;
 38
 39class InputController : public QObject {
 40Q_OBJECT
 41
 42public:
 43	enum class CameraDriver : int {
 44		NONE = 0,
 45#ifdef BUILD_QT_MULTIMEDIA
 46		QT_MULTIMEDIA = 1,
 47#endif
 48	};
 49
 50	static const uint32_t KEYBOARD = 0x51545F4B;
 51
 52	InputController(int playerId = 0, QWidget* topLevel = nullptr, QObject* parent = nullptr);
 53	~InputController();
 54
 55	void setConfiguration(ConfigController* config);
 56	void saveConfiguration();
 57	void loadConfiguration(uint32_t type);
 58	void loadProfile(uint32_t type, const QString& profile);
 59	void saveConfiguration(uint32_t type);
 60	void saveProfile(uint32_t type, const QString& profile);
 61	const char* profileForType(uint32_t type);
 62
 63	GBAKey mapKeyboard(int key) const;
 64
 65	void bindKey(uint32_t type, int key, GBAKey);
 66
 67	const mInputMap* map() const { return &m_inputMap; }
 68
 69	int pollEvents();
 70
 71	static const int32_t AXIS_THRESHOLD = 0x3000;
 72	QSet<int> activeGamepadButtons(int type);
 73	QSet<QPair<int, GamepadAxisEvent::Direction>> activeGamepadAxes(int type);
 74	QSet<QPair<int, GamepadHatEvent::Direction>> activeGamepadHats(int type);
 75	void recalibrateAxes();
 76
 77	void bindAxis(uint32_t type, int axis, GamepadAxisEvent::Direction, GBAKey);
 78	void unbindAllAxes(uint32_t type);
 79
 80	void bindHat(uint32_t type, int hat, GamepadHatEvent::Direction, GBAKey);
 81
 82	QStringList connectedGamepads(uint32_t type) const;
 83	int gamepad(uint32_t type) const;
 84	void setGamepad(uint32_t type, int index);
 85	void setPreferredGamepad(uint32_t type, const QString& device);
 86
 87	void registerTiltAxisX(int axis);
 88	void registerTiltAxisY(int axis);
 89	void registerGyroAxisX(int axis);
 90	void registerGyroAxisY(int axis);
 91
 92	float gyroSensitivity() const;
 93	void setGyroSensitivity(float sensitivity);
 94
 95	void stealFocus(QWidget* focus);
 96	void releaseFocus(QWidget* focus);
 97
 98	mRumble* rumble();
 99	mRotationSource* rotationSource();
100	mImageSource* imageSource() { return &m_image; }
101	GBALuminanceSource* luminance() { return &m_lux; }
102
103signals:
104	void profileLoaded(const QString& profile);
105	void luminanceValueChanged(int value);
106
107public slots:
108	void testGamepad(int type);
109	void updateJoysticks();
110
111	// TODO: Move these to somewhere that makes sense
112	void suspendScreensaver();
113	void resumeScreensaver();
114	void setScreensaverSuspendable(bool);
115
116	void increaseLuminanceLevel();
117	void decreaseLuminanceLevel();
118	void setLuminanceLevel(int level);
119	void setLuminanceValue(uint8_t value);
120
121	void loadCamImage(const QString& path);
122	void setCamImage(const QImage& image);
123
124private:
125	void postPendingEvent(GBAKey);
126	void clearPendingEvent(GBAKey);
127	bool hasPendingEvent(GBAKey) const;
128	void sendGamepadEvent(QEvent*);
129
130	struct InputControllerLux : GBALuminanceSource {
131		InputController* p;
132		uint8_t value;
133	} m_lux;
134	uint8_t m_luxValue;
135	int m_luxLevel;
136
137	struct InputControllerImage : mImageSource {
138		InputController* p;
139		QImage image;
140		QImage resizedImage;
141		unsigned w, h;
142	} m_image;
143
144#ifdef BUILD_QT_MULTIMEDIA
145	QCamera* m_camera = nullptr;
146	VideoDumper m_videoDumper;
147#endif
148
149	mInputMap m_inputMap;
150	ConfigController* m_config = nullptr;
151	int m_playerId;
152	QWidget* m_topLevel;
153	QWidget* m_focusParent;
154
155#ifdef BUILD_SDL
156	static int s_sdlInited;
157	static mSDLEvents s_sdlEvents;
158	mSDLPlayer m_sdlPlayer{};
159	bool m_playerAttached = false;
160#endif
161
162	QVector<int> m_deadzones;
163
164	QSet<int> m_activeButtons;
165	QSet<QPair<int, GamepadAxisEvent::Direction>> m_activeAxes;
166	QSet<QPair<int, GamepadHatEvent::Direction>> m_activeHats;
167	QTimer m_gamepadTimer{nullptr};
168
169	QSet<GBAKey> m_pendingEvents;
170};
171
172}
173
174#endif