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
 25struct mRotationSource;
 26struct mRumble;
 27
 28namespace QGBA {
 29
 30class ConfigController;
 31
 32class InputController : public QObject {
 33Q_OBJECT
 34
 35public:
 36	static const uint32_t KEYBOARD = 0x51545F4B;
 37
 38	InputController(int playerId = 0, QWidget* topLevel = nullptr, QObject* parent = nullptr);
 39	~InputController();
 40
 41	void setConfiguration(ConfigController* config);
 42	void saveConfiguration();
 43	void loadConfiguration(uint32_t type);
 44	void loadProfile(uint32_t type, const QString& profile);
 45	void saveConfiguration(uint32_t type);
 46	void saveProfile(uint32_t type, const QString& profile);
 47	const char* profileForType(uint32_t type);
 48
 49	GBAKey mapKeyboard(int key) const;
 50
 51	void bindKey(uint32_t type, int key, GBAKey);
 52
 53	const mInputMap* map() const { return &m_inputMap; }
 54
 55	int pollEvents();
 56
 57	static const int32_t AXIS_THRESHOLD = 0x3000;
 58	QSet<int> activeGamepadButtons(int type);
 59	QSet<QPair<int, GamepadAxisEvent::Direction>> activeGamepadAxes(int type);
 60	QSet<QPair<int, GamepadHatEvent::Direction>> activeGamepadHats(int type);
 61	void recalibrateAxes();
 62
 63	void bindAxis(uint32_t type, int axis, GamepadAxisEvent::Direction, GBAKey);
 64	void unbindAllAxes(uint32_t type);
 65
 66	void bindHat(uint32_t type, int hat, GamepadHatEvent::Direction, GBAKey);
 67
 68	QStringList connectedGamepads(uint32_t type) const;
 69	int gamepad(uint32_t type) const;
 70	void setGamepad(uint32_t type, int index);
 71	void setPreferredGamepad(uint32_t type, const QString& device);
 72
 73	void registerTiltAxisX(int axis);
 74	void registerTiltAxisY(int axis);
 75	void registerGyroAxisX(int axis);
 76	void registerGyroAxisY(int axis);
 77
 78	float gyroSensitivity() const;
 79	void setGyroSensitivity(float sensitivity);
 80
 81	void stealFocus(QWidget* focus);
 82	void releaseFocus(QWidget* focus);
 83
 84	void loadCamImage(const QString& path);
 85
 86	mRumble* rumble();
 87	mRotationSource* rotationSource();
 88	mImageSource* imageSource() { return &m_image; }
 89	GBALuminanceSource* luminance() { return &m_lux; }
 90
 91signals:
 92	void profileLoaded(const QString& profile);
 93	void luminanceValueChanged(int value);
 94
 95public slots:
 96	void testGamepad(int type);
 97	void updateJoysticks();
 98
 99	// TODO: Move these to somewhere that makes sense
100	void suspendScreensaver();
101	void resumeScreensaver();
102	void setScreensaverSuspendable(bool);
103
104	void increaseLuminanceLevel();
105	void decreaseLuminanceLevel();
106	void setLuminanceLevel(int level);
107	void setLuminanceValue(uint8_t value);
108
109private:
110	void postPendingEvent(GBAKey);
111	void clearPendingEvent(GBAKey);
112	bool hasPendingEvent(GBAKey) const;
113	void sendGamepadEvent(QEvent*);
114
115	struct InputControllerLux : GBALuminanceSource {
116		InputController* p;
117		uint8_t value;
118	} m_lux;
119	uint8_t m_luxValue;
120	int m_luxLevel;
121
122	struct InputControllerImage : mImageSource {
123		InputController* p;
124		QImage image;
125		QImage resizedImage;
126	} m_image;
127
128	mInputMap m_inputMap;
129	ConfigController* m_config = nullptr;
130	int m_playerId;
131	QWidget* m_topLevel;
132	QWidget* m_focusParent;
133
134#ifdef BUILD_SDL
135	static int s_sdlInited;
136	static mSDLEvents s_sdlEvents;
137	mSDLPlayer m_sdlPlayer{};
138	bool m_playerAttached = false;
139#endif
140
141	QVector<int> m_deadzones;
142
143	QSet<int> m_activeButtons;
144	QSet<QPair<int, GamepadAxisEvent::Direction>> m_activeAxes;
145	QSet<QPair<int, GamepadHatEvent::Direction>> m_activeHats;
146	QTimer m_gamepadTimer{nullptr};
147
148	QSet<GBAKey> m_pendingEvents;
149};
150
151}
152
153#endif