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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
/*
Originally based on code from "core/input/input.h" from Godot Engine v4.0
Copyright (c) 2014-present Godot Engine contributors
Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.
*/
#ifndef QUNIVERSALINPUT_H
#define QUNIVERSALINPUT_H
#include <QtCore/QObject>
#include <QtCore/QElapsedTimer>
#include <QtCore/QString>
#include <QtGui/QVector2D>
#include <QtUniversalInput/qtuniversalinputglobal.h>
#include <QtGui/QMouseEvent>
QT_BEGIN_NAMESPACE
enum class HatDirection {
Up = 0,
Right = 1,
Down = 2,
Left = 3,
Max = 4,
};
enum class HatMask {
Center = 0,
Up = 1,
Right = 2,
Down = 4,
Left = 8,
};
enum class JoyAxis {
Invalid = -1,
LeftX = 0,
LeftY = 1,
RightX = 2,
RightY = 3,
TriggerLeft = 4,
TriggerRight = 5,
MAX = 10,
};
enum class JoyButton {
Invalid = -1,
A = 0,
B = 1,
X = 2,
Y = 3,
Back = 4,
Guide = 5,
Start = 6,
LeftStick = 7,
RightStick = 8,
LeftShoulder = 9,
RightShoulder = 10,
DpadUp = 11,
DpadDown = 12,
DpadLeft = 13,
DpadRight = 14,
Misc1 = 15,
Paddle1 = 16,
Paddle2 = 17,
Paddle3 = 18,
Paddle4 = 19,
Touchpad = 20,
MAX = 128
};
inline HatMask operator|(HatMask a, HatMask b) {
return (HatMask)((int)a | (int)b);
}
inline HatMask operator&(HatMask a, HatMask b) {
return (HatMask)((int)a & (int)b);
}
inline HatMask &operator&=(HatMask &a, HatMask b) {
return (HatMask &)((int &)a &= (int)b);
}
inline HatMask &operator|=(HatMask &a, HatMask b) {
return (HatMask &)((int &)a |= (int)b);
}
inline HatMask operator~(HatMask a) {
return (HatMask)(~(int)a);
}
class QUniversalInputPrivate;
class Q_UNIVERSALINPUT_EXPORT QUniversalInput : public QObject
{
Q_OBJECT
public:
enum {
JoypadsMax = 16,
};
struct Action {
quint64 frame;
bool isPressed;
bool isExact;
float strength;
float rawStrength;
};
struct VibrationInfo {
float weakMagnitude;
float strongMagnitude;
float duration;
quint64 timestamp;
};
struct VelocityTrack {
QElapsedTimer frameTimer;
QVector2D velocity;
QVector2D accum;
float accumTime = 0.0;
float minRefFrame;
float maxRefFrame;
void update(const QVector2D &delta);
void reset();
VelocityTrack();
};
struct Joypad {
QString name;
QString uid;
bool isConnected = false;
bool lastButtons[size_t(JoyButton::MAX)] = { false };
float lastAxis[size_t(JoyAxis::MAX)] = { 0.0f };
HatMask lastHat = HatMask::Center;
int mapping = -1;
int hatCurrent = 0;
};
enum JoyType {
TypeButton,
TypeAxis,
TypeHat,
TypeMax,
};
enum JoyAxisRange {
NegativeHalfAxis = -1,
FullAxis = 0,
PositiveHalfAxis = 1
};
struct JoyEvent {
int type = TypeMax;
int index = -1;
float value = 0.0f;
};
struct JoyBinding {
JoyType inputType;
union {
JoyButton button;
struct {
JoyAxis axis;
JoyAxisRange range;
bool invert;
} axis;
struct {
HatDirection hat;
HatMask hat_mask;
} hat;
} input;
JoyType outputType;
union {
JoyButton button;
struct {
JoyAxis axis;
JoyAxisRange range;
} axis;
} output;
};
struct JoyDeviceMapping {
QString uid;
QString name;
QVector<JoyBinding> bindings;
};
static QUniversalInput *instance();
QString getJoyName(int device) const;
bool isJoyConnected(int device) const;
bool isGamepad(int device) const;
// API used by platform specific plugins
// Joypad/Joystick/Gamepads
int getUnusedJoyId();
void updateJoyConnection(int index, bool isConnected, const QString &name, const QString &guid = QString());
void joyButton(int device, JoyButton button, bool isPressed);
void joyAxis(int device, JoyAxis axis, float value);
void joyHat(int device, HatMask value);
// Force Feedback
QVector2D getJoyVibrationStrength(int device);
float getJoyVibrationDuration(int device);
quint64 getJoyVibrationTimestamp(int device);
void addForce(int deivce, QVector2D strength, float duration);
void setJoyAxis(int device, JoyAxis axis, float value);
void setMouseDisabled(bool disabled); // looking for better name. Is "make invisible and center"
bool isMouseDisabled() const;
void mouseMove(const QVector2D& deltas);
Q_SIGNALS:
void joyConnectionChanged(int index, bool isConnected);
void joyButtonEvent(int device, JoyButton button, bool isPressed);
void joyAxisEvent(int device, JoyAxis axis, float value);
void mouseDisabledChanged();
void mouseMovedWithDeltas(const QVector2D& deltas);
private Q_SLOTS:
void loadPlugins();
private:
QUniversalInput();
~QUniversalInput();
void sendButtonEvent(int device, JoyButton index, bool pressed);
void sendAxisEvent(int device, JoyAxis axis, float value);
JoyEvent mappedButtonEvent(const JoyDeviceMapping &mapping, JoyButton button);
JoyEvent mappedAxisEvent(const JoyDeviceMapping &mapping, JoyAxis axis, float inValue);
void mappedHatEvents(const JoyDeviceMapping &mapping, HatDirection hat, JoyEvent events[size_t(HatDirection::Max)]);
Q_DECLARE_PRIVATE(QUniversalInput)
Q_DISABLE_COPY(QUniversalInput)
};
Q_UNIVERSALINPUT_EXPORT QDebug operator<<(QDebug debug, const JoyButton &joyButton);
Q_UNIVERSALINPUT_EXPORT QDebug operator<<(QDebug debug, const JoyAxis &axis);
Q_UNIVERSALINPUT_EXPORT QDebug operator<<(QDebug debug, const QUniversalInput::JoyAxisRange &range);
Q_UNIVERSALINPUT_EXPORT QDebug operator<<(QDebug debug, const HatDirection &hatDirection);
Q_UNIVERSALINPUT_EXPORT QDebug operator<<(QDebug debug, const HatMask &hatMask);
Q_UNIVERSALINPUT_EXPORT QDebug operator<<(QDebug debug, const QUniversalInput::JoyBinding &binding);
Q_UNIVERSALINPUT_EXPORT QDebug operator<<(QDebug debug, const QUniversalInput::JoyDeviceMapping &mapping);
QT_END_NAMESPACE
Q_DECLARE_METATYPE(JoyButton)
Q_DECLARE_METATYPE(JoyAxis)
#endif // QUNIVERSALINPUT_H
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