limitedtextedit.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2020-08-29
 * Description : a widget to edit a long text with limited string size.
 *
 * Copyright (C) 2020-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_LIMITED_TEXT_EDIT_H
#define DIGIKAM_LIMITED_TEXT_EDIT_H
 
// Qt includes
 
#include <QPlainTextEdit>
#include <QKeyEvent>
#include <QMimeData>
 
namespace DigikamGenericMetadataEditPlugin
{
 
class LimitedTextEdit : public QPlainTextEdit
{
    Q_OBJECT
 
public:
 
    explicit LimitedTextEdit(QWidget* const parent = nullptr);
    ~LimitedTextEdit() override;
 
    void setMaxLength(int length);
    int  maxLength()     const;
 
    int leftCharacters() const;
 
protected:
 
    void insertFromMimeData(const QMimeData* source) override;
 
    void keyPressEvent(QKeyEvent* e) override;
 
private:
 
    int m_maxLength;
};
 
} // namespace DigikamGenericMetadataEditPlugin
 
#endif // DIGIKAM_LIMITED_TEXT_EDIT_H