| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // Copyright (C) 2016 Jolla Ltd, author: <gunnar.sletta@jollamobile.com> |
| 3 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 4 | |
| 5 | #ifndef QEVDEVTOUCHHANDLER_P_H |
| 6 | #define QEVDEVTOUCHHANDLER_P_H |
| 7 | |
| 8 | // |
| 9 | // W A R N I N G |
| 10 | // ------------- |
| 11 | // |
| 12 | // This file is not part of the Qt API. It exists purely as an |
| 13 | // implementation detail. This header file may change from version to |
| 14 | // version without notice, or even be removed. |
| 15 | // |
| 16 | // We mean it. |
| 17 | // |
| 18 | |
| 19 | //#include <QtGui/qpointingdevice.h> |
| 20 | #include <QtGui/private/qtguiglobal_p.h> |
| 21 | #include <QObject> |
| 22 | #include <QString> |
| 23 | #include <QList> |
| 24 | #include <QHash> |
| 25 | #include <QThread> |
| 26 | #include <QLoggingCategory> |
| 27 | #include <QtCore/private/qthread_p.h> |
| 28 | #include <qpa/qwindowsysteminterface.h> |
| 29 | #include <QtInputSupport/private/qtouchfilter_p.h> |
| 30 | |
| 31 | #if QT_CONFIG(mtdev) |
| 32 | struct mtdev; |
| 33 | #endif |
| 34 | |
| 35 | QT_BEGIN_NAMESPACE |
| 36 | |
| 37 | Q_DECLARE_LOGGING_CATEGORY(qLcEvdevTouch) |
| 38 | |
| 39 | class QSocketNotifier; |
| 40 | class QEvdevTouchScreenData; |
| 41 | class QPointingDevice; |
| 42 | |
| 43 | class QEvdevTouchScreenHandler : public QObject |
| 44 | { |
| 45 | Q_OBJECT |
| 46 | |
| 47 | public: |
| 48 | explicit QEvdevTouchScreenHandler(const QString &device, const QString &spec = QString(), QObject *parent = nullptr); |
| 49 | ~QEvdevTouchScreenHandler(); |
| 50 | |
| 51 | QPointingDevice *touchDevice() const; |
| 52 | |
| 53 | bool isFiltered() const; |
| 54 | |
| 55 | void readData(); |
| 56 | |
| 57 | signals: |
| 58 | void touchPointsUpdated(); |
| 59 | |
| 60 | private: |
| 61 | friend class QEvdevTouchScreenData; |
| 62 | friend class QEvdevTouchScreenHandlerThread; |
| 63 | |
| 64 | void registerPointingDevice(); |
| 65 | void unregisterPointingDevice(); |
| 66 | |
| 67 | QSocketNotifier *m_notify; |
| 68 | int m_fd; |
| 69 | QEvdevTouchScreenData *d; |
| 70 | QPointingDevice *m_device; |
| 71 | #if QT_CONFIG(mtdev) |
| 72 | mtdev *m_mtdev; |
| 73 | #endif |
| 74 | }; |
| 75 | |
| 76 | class QEvdevTouchScreenHandlerThread : public QDaemonThread |
| 77 | { |
| 78 | Q_OBJECT |
| 79 | public: |
| 80 | explicit QEvdevTouchScreenHandlerThread(const QString &device, const QString &spec, QObject *parent = nullptr); |
| 81 | ~QEvdevTouchScreenHandlerThread(); |
| 82 | void run() override; |
| 83 | |
| 84 | bool isPointingDeviceRegistered() const; |
| 85 | |
| 86 | bool eventFilter(QObject *object, QEvent *event) override; |
| 87 | |
| 88 | void scheduleTouchPointUpdate(); |
| 89 | |
| 90 | signals: |
| 91 | void touchDeviceRegistered(); |
| 92 | |
| 93 | private: |
| 94 | Q_INVOKABLE void notifyTouchDeviceRegistered(); |
| 95 | |
| 96 | void filterAndSendTouchPoints(); |
| 97 | QRect targetScreenGeometry() const; |
| 98 | |
| 99 | QString m_device; |
| 100 | QString m_spec; |
| 101 | QEvdevTouchScreenHandler *m_handler; |
| 102 | bool m_touchDeviceRegistered; |
| 103 | |
| 104 | bool m_touchUpdatePending; |
| 105 | QWindow *m_filterWindow; |
| 106 | |
| 107 | struct FilteredTouchPoint { |
| 108 | QTouchFilter x; |
| 109 | QTouchFilter y; |
| 110 | QWindowSystemInterface::TouchPoint touchPoint; |
| 111 | }; |
| 112 | QHash<int, FilteredTouchPoint> m_filteredPoints; |
| 113 | |
| 114 | float m_touchRate; |
| 115 | }; |
| 116 | |
| 117 | QT_END_NAMESPACE |
| 118 | |
| 119 | #endif // QEVDEVTOUCH_P_H |
| 120 |