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