| 1 | // Copyright (C) 2020 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QEVDEVMOUSEHANDLER_P_H |
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| 5 | #define QEVDEVMOUSEHANDLER_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QObject> |
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| 19 | #include <QString> |
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| 20 | #include <QPoint> |
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| 21 | #include <QEvent> |
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| 22 | #include <QLoggingCategory> |
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| 23 | |
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| 24 | #include <private/qglobal_p.h> |
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| 25 | |
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| 26 | #include <memory> |
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| 27 | |
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| 28 | QT_BEGIN_NAMESPACE |
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| 29 | |
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| 30 | Q_DECLARE_LOGGING_CATEGORY(qLcEvdevMouse) |
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| 31 | |
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| 32 | class QSocketNotifier; |
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| 33 | |
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| 34 | class QEvdevMouseHandler : public QObject |
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| 35 | { |
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| 36 | Q_OBJECT |
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| 37 | public: |
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| 38 | static std::unique_ptr<QEvdevMouseHandler> create(const QString &device, const QString &specification); |
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| 39 | ~QEvdevMouseHandler(); |
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| 40 | |
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| 41 | void readMouseData(); |
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| 42 | |
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| 43 | signals: |
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| 44 | void handleMouseEvent(int x, int y, bool abs, Qt::MouseButtons buttons, |
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| 45 | Qt::MouseButton button, QEvent::Type type); |
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| 46 | void handleWheelEvent(QPoint delta); |
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| 47 | |
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| 48 | private: |
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| 49 | QEvdevMouseHandler(const QString &device, int fd, bool abs, bool compression, int jitterLimit); |
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| 50 | |
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| 51 | void sendMouseEvent(); |
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| 52 | #ifndef Q_OS_VXWORKS |
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| 53 | bool getHardwareMaximum(); |
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| 54 | #endif |
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| 55 | void detectHiResWheelSupport(); |
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| 56 | |
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| 57 | QString m_device; |
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| 58 | int m_fd; |
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| 59 | QSocketNotifier *m_notify = nullptr; |
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| 60 | int m_x = 0, m_y = 0; |
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| 61 | int m_prevx = 0, m_prevy = 0; |
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| 62 | bool m_abs; |
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| 63 | bool m_compression; |
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| 64 | bool m_hiResWheel = false; |
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| 65 | bool m_hiResHWheel = false; |
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| 66 | Qt::MouseButtons m_buttons; |
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| 67 | Qt::MouseButton m_button; |
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| 68 | QEvent::Type m_eventType; |
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| 69 | int m_jitterLimitSquared; |
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| 70 | bool m_prevInvalid = true; |
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| 71 | int m_hardwareWidth; |
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| 72 | int m_hardwareHeight; |
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| 73 | qreal m_hardwareScalerY; |
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| 74 | qreal m_hardwareScalerX; |
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| 75 | }; |
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| 76 | |
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| 77 | QT_END_NAMESPACE |
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| 78 | |
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| 79 | #endif // QEVDEVMOUSEHANDLER_P_H |
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| 80 | |
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