| /**************************************************************************** |
| ** |
| ** Copyright (C) 2012 BogDan Vatra <bogdan@kde.org> |
| ** Copyright (C) 2016 Olivier Goffart <ogoffart@woboq.com> |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the plugins of the Qt Toolkit. |
| ** |
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| ** General Public License version 3 as published by the Free Software |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
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| ****************************************************************************/ |
| |
| #ifndef ANDROIDINPUTCONTEXT_H |
| #define ANDROIDINPUTCONTEXT_H |
| |
| #include <qpa/qplatforminputcontext.h> |
| #include <functional> |
| #include <jni.h> |
| #include <qevent.h> |
| #include <QTimer> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QAndroidInputContext: public QPlatformInputContext |
| { |
| Q_OBJECT |
| enum CapsMode |
| { |
| CAP_MODE_CHARACTERS = 0x00001000, |
| CAP_MODE_SENTENCES = 0x00004000, |
| CAP_MODE_WORDS = 0x00002000 |
| }; |
| |
| public: |
| enum EditContext : uint32_t { |
| CutButton = 1 << 0, |
| CopyButton = 1 << 1, |
| PasteButton = 1 << 2, |
| SelectAllButton = 1 << 3, |
| AllButtons = CutButton | CopyButton | PasteButton | SelectAllButton |
| }; |
| |
| enum HandleMode { |
| Hidden = 0, |
| ShowCursor = 1, |
| ShowSelection = 2, |
| ShowEditPopup = 0x100 |
| }; |
| Q_DECLARE_FLAGS(HandleModes, HandleMode) |
| |
| struct ExtractedText |
| { |
| ExtractedText() { clear(); } |
| |
| void clear() |
| { |
| partialEndOffset = partialStartOffset = selectionEnd = selectionStart = startOffset = -1; |
| text.clear(); |
| } |
| |
| int partialEndOffset; |
| int partialStartOffset; |
| int selectionEnd; |
| int selectionStart; |
| int startOffset; |
| QString text; |
| }; |
| |
| public: |
| QAndroidInputContext(); |
| ~QAndroidInputContext(); |
| static QAndroidInputContext * androidInputContext(); |
| bool isValid() const override { return true; } |
| |
| void reset() override; |
| void commit() override; |
| void update(Qt::InputMethodQueries queries) override; |
| void invokeAction(QInputMethod::Action action, int cursorPosition) override; |
| QRectF keyboardRect() const override; |
| bool isAnimating() const override; |
| void showInputPanel() override; |
| void hideInputPanel() override; |
| bool isInputPanelVisible() const override; |
| |
| bool isComposing() const; |
| void clear(); |
| void setFocusObject(QObject *object) override; |
| void sendShortcut(const QKeySequence &); |
| |
| //---------------// |
| jboolean beginBatchEdit(); |
| jboolean endBatchEdit(); |
| jboolean commitText(const QString &text, jint newCursorPosition); |
| jboolean deleteSurroundingText(jint leftLength, jint rightLength); |
| jboolean finishComposingText(); |
| jint getCursorCapsMode(jint reqModes); |
| const ExtractedText &getExtractedText(jint hintMaxChars, jint hintMaxLines, jint flags); |
| QString getSelectedText(jint flags); |
| QString getTextAfterCursor(jint length, jint flags); |
| QString getTextBeforeCursor(jint length, jint flags); |
| jboolean setComposingText(const QString &text, jint newCursorPosition); |
| jboolean setComposingRegion(jint start, jint end); |
| jboolean setSelection(jint start, jint end); |
| jboolean selectAll(); |
| jboolean cut(); |
| jboolean copy(); |
| jboolean copyURL(); |
| jboolean paste(); |
| |
| public slots: |
| void safeCall(const std::function<void()> &func, Qt::ConnectionType conType = Qt::BlockingQueuedConnection); |
| void updateCursorPosition(); |
| void updateSelectionHandles(); |
| void handleLocationChanged(int handleId, int x, int y); |
| void touchDown(int x, int y); |
| void longPress(int x, int y); |
| void keyDown(); |
| void hideSelectionHandles(); |
| |
| private slots: |
| void showInputPanelLater(Qt::ApplicationState); |
| |
| private: |
| void sendInputMethodEvent(QInputMethodEvent *event); |
| QSharedPointer<QInputMethodQueryEvent> focusObjectInputMethodQuery(Qt::InputMethodQueries queries = Qt::ImQueryAll); |
| bool focusObjectIsComposing() const; |
| void focusObjectStartComposing(); |
| bool focusObjectStopComposing(); |
| |
| private: |
| ExtractedText m_extractedText; |
| QString m_composingText; |
| int m_composingTextStart; |
| int m_composingCursor; |
| QMetaObject::Connection m_updateCursorPosConnection; |
| HandleModes m_handleMode; |
| int m_batchEditNestingLevel; |
| QObject *m_focusObject; |
| QTimer m_hideCursorHandleTimer; |
| }; |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QAndroidInputContext::HandleModes) |
| QT_END_NAMESPACE |
| |
| #endif // ANDROIDINPUTCONTEXT_H |