| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Gamepad module |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL3$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
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| ** and conditions see http://www.qt.io/terms-conditions. For further |
| ** information use the contact form at http://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPLv3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or later as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.GPL included in |
| ** the packaging of this file. Please review the following information to |
| ** ensure the GNU General Public License version 2.0 requirements will be |
| ** met: http://www.gnu.org/licenses/gpl-2.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QGAMEPADBACKEND_P_H |
| #define QGAMEPADBACKEND_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtGamepad/qtgamepadglobal.h> |
| |
| #include <QtCore/QObject> |
| #include <QtGamepad/QGamepadManager> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class Q_GAMEPAD_EXPORT QGamepadBackend : public QObject |
| { |
| Q_OBJECT |
| public: |
| template <typename T> |
| struct AxisInfo { |
| AxisInfo(T minValue = 0, T maxValue = 1, QGamepadManager::GamepadAxis gamepadAxis = QGamepadManager::AxisInvalid) |
| : minValue(minValue) |
| , maxValue(maxValue) |
| , gamepadAxis(gamepadAxis) |
| {} |
| |
| virtual double normalized(T value) const |
| { |
| if (gamepadAxis == QGamepadManager::AxisInvalid && minValue >= 0) { |
| //case 0.0 - 1.0 |
| return double(value - minValue) / double(maxValue - minValue); |
| } else { |
| //case -1.0 - 1.0 |
| return 2.0 * double(value - minValue) / double(maxValue - minValue) - 1.0; |
| } |
| } |
| T minValue; |
| T maxValue; |
| QGamepadManager::GamepadAxis gamepadAxis; |
| }; |
| |
| public: |
| explicit QGamepadBackend(QObject *parent = nullptr); |
| virtual bool isConfigurationNeeded(int deviceId); |
| virtual void resetConfiguration(int deviceId); |
| virtual bool configureButton(int deviceId, QGamepadManager::GamepadButton button); |
| virtual bool configureAxis(int deviceId, QGamepadManager::GamepadAxis axis); |
| virtual bool setCancelConfigureButton(int deviceId, QGamepadManager::GamepadButton button); |
| virtual void setSettingsFile(const QString &file); |
| virtual void saveSettings(int productId, const QVariant &value); |
| virtual QVariant readSettings(int productId); |
| |
| public Q_SLOTS: |
| virtual bool start(); |
| virtual void stop(); |
| |
| Q_SIGNALS: |
| void buttonConfigured(int deviceId, QGamepadManager::GamepadButton button); |
| void axisConfigured(int deviceId, QGamepadManager::GamepadAxis axis); |
| void configurationCanceled(int deviceId); |
| void gamepadAdded(int deviceId); |
| void gamepadNamed(int deviceId, const QString &name); |
| void gamepadRemoved(int deviceId); |
| void gamepadAxisMoved(int deviceId, QGamepadManager::GamepadAxis axis, double value); |
| void gamepadButtonPressed(int deviceId, QGamepadManager::GamepadButton button, double value); |
| void gamepadButtonReleased(int deviceId, QGamepadManager::GamepadButton button); |
| |
| protected: |
| QString m_settingsFilePath; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QGAMEPADBACKEND_P_H |