1 /*************************************************************************** 2 ** 3 ** Copyright (C) 2013 BlackBerry Limited. All rights reserved. 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 40 #ifndef QQNXINPUTCONTEXT_H 41 #define QQNXINPUTCONTEXT_H 42 43 #include <qpa/qplatforminputcontext.h> 44 #include "qqnxscreeneventfilter.h" 45 46 #include <QtCore/QLocale> 47 #include <QtCore/QMetaType> 48 #include <QtCore/QList> 49 #include <qpa/qplatformintegration.h> 50 51 #include "imf/imf_client.h" 52 #include "imf/input_control.h" 53 54 QT_BEGIN_NAMESPACE 55 56 class QQnxAbstractVirtualKeyboard; 57 class QQnxIntegration; 58 class QQnxImfRequest; 59 60 class QQnxInputContext : public QPlatformInputContext, public QQnxScreenEventFilter 61 { 62 Q_OBJECT 63 public: 64 explicit QQnxInputContext(QQnxIntegration *integration, QQnxAbstractVirtualKeyboard &keyboard); 65 ~QQnxInputContext(); 66 67 // Indices for selecting and setting highlight colors. 68 enum HighlightIndex { 69 ActiveRegion, 70 AutoCorrected, 71 Reverted, 72 }; 73 74 bool isValid() const override; 75 76 bool filterEvent(const QEvent *event) override; 77 QRectF keyboardRect() const override; 78 void reset() override; 79 void commit() override; 80 void update(Qt::InputMethodQueries) override; 81 bool handleKeyboardEvent(int flags, int sym, int mod, int scan, int cap, int sequenceId) override; 82 83 84 void showInputPanel() override; 85 void hideInputPanel() override; 86 bool isInputPanelVisible() const override; 87 88 QLocale locale() const override; 89 void setFocusObject(QObject *object) override; 90 91 static void setHighlightColor(int index, const QColor &color); 92 93 static bool checkSpelling(const QString &text, void *context, void (*spellCheckDone)(void *context, const QString &text, const QList<int> &indices)); 94 95 private Q_SLOTS: 96 void keyboardVisibilityChanged(bool visible); 97 void keyboardLocaleChanged(const QLocale &locale); 98 void processImfEvent(QQnxImfRequest *event); 99 100 private: 101 // IMF Event dispatchers 102 bool dispatchFocusGainEvent(int inputHints); 103 void dispatchFocusLossEvent(); 104 bool dispatchRequestSoftwareInputPanel(); 105 bool dispatchCloseSoftwareInputPanel(); 106 int handleSpellCheck(spell_check_event_t *event); 107 int32_t processEvent(event_t *event); 108 109 void closeSession(); 110 bool openSession(); 111 bool hasSession(); 112 void updateCursorPosition(); 113 void endComposition(); 114 void finishComposingText(); 115 bool hasSelectedText(); 116 void updateComposition(spannable_string_t *text, int32_t new_cursor_position); 117 118 // IMF Event handlers - these events will come in from QCoreApplication. 119 int32_t onCommitText(spannable_string_t *text, int32_t new_cursor_position); 120 int32_t onDeleteSurroundingText(int32_t left_length, int32_t right_length); 121 int32_t onGetCursorCapsMode(int32_t req_modes); 122 int32_t onFinishComposingText(); 123 int32_t onGetCursorPosition(); 124 spannable_string_t *onGetTextAfterCursor(int32_t n, int32_t flags); 125 spannable_string_t *onGetTextBeforeCursor(int32_t n, int32_t flags); 126 int32_t onSendEvent(event_t *event); 127 int32_t onSetComposingRegion(int32_t start, int32_t end); 128 int32_t onSetComposingText(spannable_string_t *text, int32_t new_cursor_position); 129 int32_t onIsTextSelected(int32_t* pIsSelected); 130 int32_t onIsAllTextSelected(int32_t* pIsSelected); 131 int32_t onForceUpdate(); 132 133 int m_caretPosition; 134 bool m_isComposing; 135 QString m_composingText; 136 bool m_isUpdatingText; 137 bool m_inputPanelVisible; 138 QLocale m_inputPanelLocale; 139 // The object that had focus when the last highlight color was set. 140 QObject *m_focusObject; 141 // Indexed by HighlightIndex 142 QColor m_highlightColor[3]; 143 QQnxIntegration *m_integration; 144 QQnxAbstractVirtualKeyboard &m_virtualKeyboard; 145 }; 146 147 QT_END_NAMESPACE 148 149 #endif // QQNXINPUTCONTEXT_H 150