1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2012 BogDan Vatra <bogdan@kde.org> 4 ** Copyright (C) 2016 Olivier Goffart <ogoffart@woboq.com> 5 ** Contact: https://www.qt.io/licensing/ 6 ** 7 ** This file is part of the plugins of the Qt Toolkit. 8 ** 9 ** $QT_BEGIN_LICENSE:LGPL$ 10 ** Commercial License Usage 11 ** Licensees holding valid commercial Qt licenses may use this file in 12 ** accordance with the commercial license agreement provided with the 13 ** Software or, alternatively, in accordance with the terms contained in 14 ** a written agreement between you and The Qt Company. For licensing terms 15 ** and conditions see https://www.qt.io/terms-conditions. For further 16 ** information use the contact form at https://www.qt.io/contact-us. 17 ** 18 ** GNU Lesser General Public License Usage 19 ** Alternatively, this file may be used under the terms of the GNU Lesser 20 ** General Public License version 3 as published by the Free Software 21 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 22 ** packaging of this file. Please review the following information to 23 ** ensure the GNU Lesser General Public License version 3 requirements 24 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 25 ** 26 ** GNU General Public License Usage 27 ** Alternatively, this file may be used under the terms of the GNU 28 ** General Public License version 2.0 or (at your option) the GNU General 29 ** Public license version 3 or any later version approved by the KDE Free 30 ** Qt Foundation. The licenses are as published by the Free Software 31 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 32 ** included in the packaging of this file. Please review the following 33 ** information to ensure the GNU General Public License requirements will 34 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 35 ** https://www.gnu.org/licenses/gpl-3.0.html. 36 ** 37 ** $QT_END_LICENSE$ 38 ** 39 ****************************************************************************/ 40 41 #ifndef ANDROIDINPUTCONTEXT_H 42 #define ANDROIDINPUTCONTEXT_H 43 44 #include <qpa/qplatforminputcontext.h> 45 #include <functional> 46 #include <jni.h> 47 #include <qevent.h> 48 #include <QTimer> 49 50 QT_BEGIN_NAMESPACE 51 52 class QAndroidInputContext: public QPlatformInputContext 53 { 54 Q_OBJECT 55 enum CapsMode 56 { 57 CAP_MODE_CHARACTERS = 0x00001000, 58 CAP_MODE_SENTENCES = 0x00004000, 59 CAP_MODE_WORDS = 0x00002000 60 }; 61 62 public: 63 enum EditContext : uint32_t { 64 CutButton = 1 << 0, 65 CopyButton = 1 << 1, 66 PasteButton = 1 << 2, 67 SelectAllButton = 1 << 3, 68 AllButtons = CutButton | CopyButton | PasteButton | SelectAllButton 69 }; 70 71 enum HandleMode { 72 Hidden = 0, 73 ShowCursor = 1, 74 ShowSelection = 2, 75 ShowEditPopup = 0x100 76 }; 77 Q_DECLARE_FLAGS(HandleModes, HandleMode) 78 79 struct ExtractedText 80 { ExtractedTextExtractedText81 ExtractedText() { clear(); } 82 clearExtractedText83 void clear() 84 { 85 partialEndOffset = partialStartOffset = selectionEnd = selectionStart = startOffset = -1; 86 text.clear(); 87 } 88 89 int partialEndOffset; 90 int partialStartOffset; 91 int selectionEnd; 92 int selectionStart; 93 int startOffset; 94 QString text; 95 }; 96 97 public: 98 QAndroidInputContext(); 99 ~QAndroidInputContext(); 100 static QAndroidInputContext * androidInputContext(); isValid()101 bool isValid() const override { return true; } 102 103 void reset() override; 104 void commit() override; 105 void update(Qt::InputMethodQueries queries) override; 106 void invokeAction(QInputMethod::Action action, int cursorPosition) override; 107 QRectF keyboardRect() const override; 108 bool isAnimating() const override; 109 void showInputPanel() override; 110 void hideInputPanel() override; 111 bool isInputPanelVisible() const override; 112 113 bool isComposing() const; 114 void clear(); 115 void setFocusObject(QObject *object) override; 116 void sendShortcut(const QKeySequence &); 117 118 //---------------// 119 jboolean beginBatchEdit(); 120 jboolean endBatchEdit(); 121 jboolean commitText(const QString &text, jint newCursorPosition); 122 jboolean deleteSurroundingText(jint leftLength, jint rightLength); 123 jboolean finishComposingText(); 124 jint getCursorCapsMode(jint reqModes); 125 const ExtractedText &getExtractedText(jint hintMaxChars, jint hintMaxLines, jint flags); 126 QString getSelectedText(jint flags); 127 QString getTextAfterCursor(jint length, jint flags); 128 QString getTextBeforeCursor(jint length, jint flags); 129 jboolean setComposingText(const QString &text, jint newCursorPosition); 130 jboolean setComposingRegion(jint start, jint end); 131 jboolean setSelection(jint start, jint end); 132 jboolean selectAll(); 133 jboolean cut(); 134 jboolean copy(); 135 jboolean copyURL(); 136 jboolean paste(); 137 138 public slots: 139 void safeCall(const std::function<void()> &func, Qt::ConnectionType conType = Qt::BlockingQueuedConnection); 140 void updateCursorPosition(); 141 void updateSelectionHandles(); 142 void handleLocationChanged(int handleId, int x, int y); 143 void touchDown(int x, int y); 144 void longPress(int x, int y); 145 void keyDown(); 146 void hideSelectionHandles(); 147 148 private slots: 149 void showInputPanelLater(Qt::ApplicationState); 150 151 private: 152 void sendInputMethodEvent(QInputMethodEvent *event); 153 QSharedPointer<QInputMethodQueryEvent> focusObjectInputMethodQuery(Qt::InputMethodQueries queries = Qt::ImQueryAll); 154 bool focusObjectIsComposing() const; 155 void focusObjectStartComposing(); 156 bool focusObjectStopComposing(); 157 158 private: 159 ExtractedText m_extractedText; 160 QString m_composingText; 161 int m_composingTextStart; 162 int m_composingCursor; 163 QMetaObject::Connection m_updateCursorPosConnection; 164 HandleModes m_handleMode; 165 int m_batchEditNestingLevel; 166 QObject *m_focusObject; 167 QTimer m_hideCursorHandleTimer; 168 }; 169 Q_DECLARE_OPERATORS_FOR_FLAGS(QAndroidInputContext::HandleModes) 170 QT_END_NAMESPACE 171 172 #endif // ANDROIDINPUTCONTEXT_H 173