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 <QObject>
 13#include <QSet>
 14#include <QTimer>
 15#include <QVector>
 16
 17#include <mgba/gba/interface.h>
 18#include <mgba/internal/gba/input.h>
 19
 20#ifdef BUILD_SDL
 21#include "platform/sdl/sdl-events.h"
 22#endif
 23
 24struct mRotationSource;
 25struct mRumble;
 26
 27namespace QGBA {
 28
 29class ConfigController;
 30
 31class InputController : public QObject {
 32Q_OBJECT
 33
 34public:
 35	static const uint32_t KEYBOARD = 0x51545F4B;
 36
 37	InputController(int playerId = 0, QWidget* topLevel = nullptr, QObject* parent = nullptr);
 38	~InputController();
 39
 40	void setConfiguration(ConfigController* config);
 41	void saveConfiguration();
 42	void loadConfiguration(uint32_t type);
 43	void loadProfile(uint32_t type, const QString& profile);
 44	void saveConfiguration(uint32_t type);
 45	void saveProfile(uint32_t type, const QString& profile);
 46	const char* profileForType(uint32_t type);
 47
 48	GBAKey mapKeyboard(int key) const;
 49
 50	void bindKey(uint32_t type, int key, GBAKey);
 51
 52	const mInputMap* map() const { return &m_inputMap; }
 53
 54	int pollEvents();
 55
 56	static const int32_t AXIS_THRESHOLD = 0x3000;
 57	QSet<int> activeGamepadButtons(int type);
 58	QSet<QPair<int, GamepadAxisEvent::Direction>> activeGamepadAxes(int type);
 59	QSet<QPair<int, GamepadHatEvent::Direction>> activeGamepadHats(int type);
 60	void recalibrateAxes();
 61
 62	void bindAxis(uint32_t type, int axis, GamepadAxisEvent::Direction, GBAKey);
 63	void unbindAllAxes(uint32_t type);
 64
 65	void bindHat(uint32_t type, int hat, GamepadHatEvent::Direction, GBAKey);
 66
 67	QStringList connectedGamepads(uint32_t type) const;
 68	int gamepad(uint32_t type) const;
 69	void setGamepad(uint32_t type, int index);
 70	void setPreferredGamepad(uint32_t type, const QString& device);
 71
 72	void registerTiltAxisX(int axis);
 73	void registerTiltAxisY(int axis);
 74	void registerGyroAxisX(int axis);
 75	void registerGyroAxisY(int axis);
 76
 77	float gyroSensitivity() const;
 78	void setGyroSensitivity(float sensitivity);
 79
 80	void stealFocus(QWidget* focus);
 81	void releaseFocus(QWidget* focus);
 82
 83	mRumble* rumble();
 84	mRotationSource* rotationSource();
 85	GBALuminanceSource* luminance() { return &m_lux; }
 86
 87signals:
 88	void profileLoaded(const QString& profile);
 89	void luminanceValueChanged(int value);
 90
 91public slots:
 92	void testGamepad(int type);
 93	void updateJoysticks();
 94
 95	// TODO: Move these to somewhere that makes sense
 96	void suspendScreensaver();
 97	void resumeScreensaver();
 98	void setScreensaverSuspendable(bool);
 99
100	void increaseLuminanceLevel();
101	void decreaseLuminanceLevel();
102	void setLuminanceLevel(int level);
103	void setLuminanceValue(uint8_t value);
104
105private:
106	void postPendingEvent(GBAKey);
107	void clearPendingEvent(GBAKey);
108	bool hasPendingEvent(GBAKey) const;
109	void sendGamepadEvent(QEvent*);
110
111	struct InputControllerLux : GBALuminanceSource {
112		InputController* p;
113		uint8_t value;
114	} m_lux;
115	uint8_t m_luxValue;
116	int m_luxLevel;
117
118	mInputMap m_inputMap;
119	ConfigController* m_config = nullptr;
120	int m_playerId;
121	QWidget* m_topLevel;
122	QWidget* m_focusParent;
123
124#ifdef BUILD_SDL
125	static int s_sdlInited;
126	static mSDLEvents s_sdlEvents;
127	mSDLPlayer m_sdlPlayer{};
128	bool m_playerAttached = false;
129#endif
130
131	QVector<int> m_deadzones;
132
133	QSet<int> m_activeButtons;
134	QSet<QPair<int, GamepadAxisEvent::Direction>> m_activeAxes;
135	QSet<QPair<int, GamepadHatEvent::Direction>> m_activeHats;
136	QTimer m_gamepadTimer{nullptr};
137
138	QSet<GBAKey> m_pendingEvents;
139};
140
141}
142
143#endif