qtextcursor_p.h

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef TEXTCURSOR_H
#define TEXTCURSOR_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <QtCore/qstring.h>
 
namespace Utils {
 
class TextDocument;
class TextBlock;
 
class TextCursor
{
public:
    enum MoveOperation {
        NoMove,
        Start,
        PreviousCharacter,
        End,
        NextCharacter,
    };
 
    enum MoveMode { MoveAnchor, KeepAnchor };
 
    enum SelectionType { Document };
 
    TextCursor();
    TextCursor(const TextBlock &block);
    TextCursor(TextDocument *document);
 
    bool movePosition(MoveOperation op, MoveMode = MoveAnchor, int n = 1);
    int position() const;
    void setPosition(int pos, MoveMode mode = MoveAnchor);
    QString selectedText() const;
    void clearSelection();
    int anchor() const;
    TextDocument *document() const;
    void insertText(const QString &text);
    TextBlock block() const;
    int positionInBlock() const;
    int blockNumber() const;
 
    void select(SelectionType selection);
 
    bool hasSelection() const;
 
    void removeSelectedText();
    int selectionEnd() const;
 
    bool isNull() const;
 
private:
    TextDocument *m_document = nullptr;
    int m_position = 0;
    int m_anchor = 0;
};
} // namespace Utils
 
#endif // TEXTCURSOR_H