qt-everywhere-src-5.15.1/qtvirtualkeyboard/src/virtualkeyboard/qvirtualkeyboardabstractinputmethod.h

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#ifndef QVIRTUALKEYBOARDABSTRACTINPUTMETHOD_H
#define QVIRTUALKEYBOARDABSTRACTINPUTMETHOD_H

#include <QtVirtualKeyboard/qvirtualkeyboardinputengine.h>
#include <QtVirtualKeyboard/qvirtualkeyboardselectionlistmodel.h>

QT_BEGIN_NAMESPACE

class QVirtualKeyboardAbstractInputMethodPrivate;

class QVIRTUALKEYBOARD_EXPORT QVirtualKeyboardAbstractInputMethod : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QVirtualKeyboardAbstractInputMethod)

public:
    explicit QVirtualKeyboardAbstractInputMethod(QObject *parent = nullptr);
    ~QVirtualKeyboardAbstractInputMethod();

    QVirtualKeyboardInputContext *inputContext() const;
    QVirtualKeyboardInputEngine *inputEngine() const;

    virtual QList<QVirtualKeyboardInputEngine::InputMode> inputModes(const QString &locale) = 0;
    virtual bool setInputMode(const QString &locale, QVirtualKeyboardInputEngine::InputMode inputMode) = 0;
    virtual bool setTextCase(QVirtualKeyboardInputEngine::TextCase textCase) = 0;

    virtual bool keyEvent(Qt::Key key, const QString &text, Qt::KeyboardModifiers modifiers) = 0;

    virtual QList<QVirtualKeyboardSelectionListModel::Type> selectionLists();
    virtual int selectionListItemCount(QVirtualKeyboardSelectionListModel::Type type);
    virtual QVariant selectionListData(QVirtualKeyboardSelectionListModel::Type type, int index, QVirtualKeyboardSelectionListModel::Role role);
    virtual void selectionListItemSelected(QVirtualKeyboardSelectionListModel::Type type, int index);
    virtual bool selectionListRemoveItem(QVirtualKeyboardSelectionListModel::Type type, int index);

    virtual QList<QVirtualKeyboardInputEngine::PatternRecognitionMode> patternRecognitionModes() const;
    virtual QVirtualKeyboardTrace *traceBegin(
            int traceId, QVirtualKeyboardInputEngine::PatternRecognitionMode patternRecognitionMode,
            const QVariantMap &traceCaptureDeviceInfo, const QVariantMap &traceScreenInfo);
    virtual bool traceEnd(QVirtualKeyboardTrace *trace);

    virtual bool reselect(int cursorPosition, const QVirtualKeyboardInputEngine::ReselectFlags &reselectFlags);
    virtual bool clickPreeditText(int cursorPosition);

Q_SIGNALS:
    void selectionListChanged(QVirtualKeyboardSelectionListModel::Type type);
    void selectionListActiveItemChanged(QVirtualKeyboardSelectionListModel::Type type, int index);
    void selectionListsChanged();

public Q_SLOTS:
    virtual void reset();
    virtual void update();

private:
    void setInputEngine(QVirtualKeyboardInputEngine *inputEngine);

    friend class QVirtualKeyboardInputEngine;
};

QT_END_NAMESPACE

#endif