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| 2 | ** | 
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
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| 25 | ** GNU General Public License Usage | 
| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
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| 35 | ** | 
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| 38 | ****************************************************************************/ | 
| 39 | #ifndef QIBUSPLATFORMINPUTCONTEXT_H | 
| 40 | #define QIBUSPLATFORMINPUTCONTEXT_H | 
| 41 |  | 
| 42 | #include <qpa/qplatforminputcontext.h> | 
| 43 |  | 
| 44 | #include <QtCore/qpointer.h> | 
| 45 | #include <QtCore/QLocale> | 
| 46 | #include <QtDBus/qdbuspendingreply.h> | 
| 47 | #if QT_CONFIG(filesystemwatcher) | 
| 48 | #include <QFileSystemWatcher> | 
| 49 | #endif | 
| 50 | #include <QTimer> | 
| 51 | #include <QWindow> | 
| 52 |  | 
| 53 | QT_BEGIN_NAMESPACE | 
| 54 |  | 
| 55 | class QIBusPlatformInputContextPrivate; | 
| 56 | class QDBusVariant; | 
| 57 |  | 
| 58 | class QIBusFilterEventWatcher: public QDBusPendingCallWatcher | 
| 59 | { | 
| 60 | public: | 
| 61 |     explicit QIBusFilterEventWatcher(const QDBusPendingCall &call, | 
| 62 |                                      QObject *parent = nullptr, | 
| 63 |                                      QWindow *window = nullptr, | 
| 64 |                                      const Qt::KeyboardModifiers modifiers = { }, | 
| 65 |                                      const QVariantList arguments = QVariantList()) | 
| 66 |     : QDBusPendingCallWatcher(call, parent) | 
| 67 |     , m_window(window) | 
| 68 |     , m_modifiers(modifiers) | 
| 69 |     , m_arguments(arguments) | 
| 70 |     {} | 
| 71 |     ~QIBusFilterEventWatcher() | 
| 72 |     {} | 
| 73 |  | 
| 74 |     inline QWindow *window() const { return m_window; } | 
| 75 |     inline const Qt::KeyboardModifiers modifiers() const { return m_modifiers; } | 
| 76 |     inline const QVariantList arguments() const { return m_arguments; } | 
| 77 |  | 
| 78 | private: | 
| 79 |     QPointer<QWindow> m_window; | 
| 80 |     const Qt::KeyboardModifiers m_modifiers; | 
| 81 |     const QVariantList m_arguments; | 
| 82 | }; | 
| 83 |  | 
| 84 | class QIBusPlatformInputContext : public QPlatformInputContext | 
| 85 | { | 
| 86 |     Q_OBJECT | 
| 87 | public: | 
| 88 |     QIBusPlatformInputContext(); | 
| 89 |     ~QIBusPlatformInputContext(); | 
| 90 |  | 
| 91 |     bool isValid() const override; | 
| 92 |     void setFocusObject(QObject *object) override; | 
| 93 |  | 
| 94 |     void invokeAction(QInputMethod::Action a, int x) override; | 
| 95 |     void reset() override; | 
| 96 |     void commit() override; | 
| 97 |     void update(Qt::InputMethodQueries) override; | 
| 98 |     bool filterEvent(const QEvent *event) override; | 
| 99 |     QLocale locale() const override; | 
| 100 |     bool hasCapability(Capability capability) const override; | 
| 101 |  | 
| 102 | public Q_SLOTS: | 
| 103 |     void commitText(const QDBusVariant &text); | 
| 104 |     void updatePreeditText(const QDBusVariant &text, uint cursor_pos, bool visible); | 
| 105 |     void forwardKeyEvent(uint keyval, uint keycode, uint state); | 
| 106 |     void cursorRectChanged(); | 
| 107 |     void deleteSurroundingText(int offset, uint n_chars); | 
| 108 |     void surroundingTextRequired(); | 
| 109 |     void hidePreeditText(); | 
| 110 |     void showPreeditText(); | 
| 111 |     void filterEventFinished(QDBusPendingCallWatcher *call); | 
| 112 |     void socketChanged(const QString &str); | 
| 113 |     void busRegistered(const QString &str); | 
| 114 |     void busUnregistered(const QString &str); | 
| 115 |     void connectToBus(); | 
| 116 |     void globalEngineChanged(const QString &engine_name); | 
| 117 |  | 
| 118 | private: | 
| 119 |     QIBusPlatformInputContextPrivate *d; | 
| 120 |     bool m_eventFilterUseSynchronousMode; | 
| 121 | #if QT_CONFIG(filesystemwatcher) | 
| 122 |     QFileSystemWatcher m_socketWatcher; | 
| 123 | #endif | 
| 124 |     QTimer m_timer; | 
| 125 |  | 
| 126 |     void connectToContextSignals(); | 
| 127 | }; | 
| 128 |  | 
| 129 | QT_END_NAMESPACE | 
| 130 |  | 
| 131 | #endif | 
| 132 |  |