1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 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 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 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()) QDBusPendingCallWatcher(call,parent)66 : QDBusPendingCallWatcher(call, parent) 67 , m_window(window) 68 , m_modifiers(modifiers) 69 , m_arguments(arguments) 70 {} ~QIBusFilterEventWatcher()71 ~QIBusFilterEventWatcher() 72 {} 73 window()74 inline QWindow *window() const { return m_window; } modifiers()75 inline const Qt::KeyboardModifiers modifiers() const { return m_modifiers; } arguments()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