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