1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2015 The Qt Company Ltd. |
4 | ** Contact: http://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the Qt Gamepad module |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL3$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
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15 | ** information use the contact form at http://www.qt.io/contact-us. |
16 | ** |
17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 3 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPLv3 included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 3 requirements |
23 | ** will be met: https://www.gnu.org/licenses/lgpl.html. |
24 | ** |
25 | ** GNU General Public License Usage |
26 | ** Alternatively, this file may be used under the terms of the GNU |
27 | ** General Public License version 2.0 or later as published by the Free |
28 | ** Software Foundation and appearing in the file LICENSE.GPL included in |
29 | ** the packaging of this file. Please review the following information to |
30 | ** ensure the GNU General Public License version 2.0 requirements will be |
31 | ** met: http://www.gnu.org/licenses/gpl-2.0.html. |
32 | ** |
33 | ** $QT_END_LICENSE$ |
34 | ** |
35 | ****************************************************************************/ |
36 | |
37 | #ifndef QEVDEVGAMEPADBACKEND_P_H |
38 | #define QEVDEVGAMEPADBACKEND_P_H |
39 | |
40 | #include <QtGamepad/QGamepadManager> |
41 | #include <QtGamepad/private/qgamepadbackend_p.h> |
42 | #include <QtCore/QHash> |
43 | #include <QtCore/QVector> |
44 | |
45 | struct input_event; |
46 | |
47 | QT_BEGIN_NAMESPACE |
48 | |
49 | class QSocketNotifier; |
50 | class QDeviceDiscovery; |
51 | class QEvdevGamepadBackend; |
52 | |
53 | class QEvdevGamepadDevice : public QObject |
54 | { |
55 | Q_OBJECT |
56 | |
57 | public: |
58 | QEvdevGamepadDevice(const QByteArray &dev, QEvdevGamepadBackend *backend); |
59 | ~QEvdevGamepadDevice(); |
60 | QByteArray deviceName() const { return m_dev; } |
61 | int deviceId() const { return m_productId; } |
62 | void resetConfiguration(); |
63 | bool isConfigurationNeeded(); |
64 | bool configureButton(QGamepadManager::GamepadButton button); |
65 | bool configureAxis(QGamepadManager::GamepadAxis axis); |
66 | bool setCancelConfigureButton(QGamepadManager::GamepadButton button); |
67 | |
68 | private Q_SLOTS: |
69 | void readData(); |
70 | |
71 | private: |
72 | void saveData(); |
73 | void processInputEvent(input_event *e); |
74 | bool openDevice(const QByteArray &dev); |
75 | |
76 | QByteArray m_dev; |
77 | QEvdevGamepadBackend *m_backend; |
78 | int m_fd; |
79 | int m_productId; |
80 | bool m_needsConfigure; |
81 | QSocketNotifier *m_notifier; |
82 | struct EvdevAxisInfo : public QGamepadBackend::AxisInfo<int> |
83 | { |
84 | EvdevAxisInfo(); |
85 | EvdevAxisInfo(int fd, quint16 abs, int minValue = 0, int maxValue = 1, QGamepadManager::GamepadAxis gamepadAxis = QGamepadManager::AxisInvalid); |
86 | double normalized(int value) const; |
87 | void setAbsInfo(int fd, int abs); |
88 | void restoreSavedData(int fd, int abs, const QVariantMap &value); |
89 | QVariantMap dataToSave() const; |
90 | double flat; |
91 | QGamepadManager::GamepadButton gamepadMinButton; |
92 | QGamepadManager::GamepadButton gamepadMaxButton; |
93 | QGamepadManager::GamepadButton gamepadLastButton; |
94 | }; |
95 | typedef QHash<int, EvdevAxisInfo> AxisMap; |
96 | AxisMap m_axisMap; |
97 | |
98 | friend QDebug operator<<(QDebug dbg, const QEvdevGamepadDevice::EvdevAxisInfo &axisInfo); |
99 | |
100 | typedef QHash<int, QGamepadManager::GamepadButton> ButtonsMap; |
101 | ButtonsMap m_buttonsMap; |
102 | |
103 | QGamepadManager::GamepadButton m_configureButton; |
104 | QGamepadManager::GamepadAxis m_configureAxis; |
105 | QGamepadManager::GamepadButton m_configureCancelButton; |
106 | }; |
107 | |
108 | QDebug operator<<(QDebug dbg, const QEvdevGamepadDevice::EvdevAxisInfo &axisInfo); |
109 | |
110 | class QEvdevGamepadBackend : public QGamepadBackend |
111 | { |
112 | Q_OBJECT |
113 | |
114 | public: |
115 | QEvdevGamepadBackend(); |
116 | bool start() override; |
117 | void stop() override; |
118 | void resetConfiguration(int deviceId) override; |
119 | bool isConfigurationNeeded(int deviceId) override; |
120 | bool configureButton(int deviceId, QGamepadManager::GamepadButton button) override; |
121 | bool configureAxis(int deviceId, QGamepadManager::GamepadAxis axis) override; |
122 | bool setCancelConfigureButton(int deviceId, QGamepadManager::GamepadButton button) override; |
123 | |
124 | private slots: |
125 | void handleAddedDevice(const QString &device); |
126 | void handleRemovedDevice(const QString &device); |
127 | |
128 | private: |
129 | QEvdevGamepadDevice *newDevice(const QByteArray &device); |
130 | QEvdevGamepadDevice *device(int deviceId); |
131 | |
132 | QDeviceDiscovery *m_discovery; |
133 | QVector<QEvdevGamepadDevice *> m_devices; |
134 | }; |
135 | |
136 | QT_END_NAMESPACE |
137 | |
138 | #endif // QEVDEVGAMEPADBACKEND_P_H |
139 | |