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path: root/src/kitemviews/private/kitemlistroleeditor.h
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/*
 * SPDX-FileCopyrightText: 2012 Peter Penz <[email protected]>
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#ifndef KITEMLISTROLEEDITOR_H
#define KITEMLISTROLEEDITOR_H

#include "dolphin_export.h"

#include <KTextEdit>

/**
 * @brief Editor for renaming roles of a KItemListWidget.
 *
 * Provides signals when the editing got cancelled (e.g. by
 * pressing Escape or when losing the focus) or when the editing
 * got finished (e.g. by pressing Enter or Return).
 *
 * The size automatically gets increased if the text does not fit.
 */
class DOLPHIN_EXPORT KItemListRoleEditor : public KTextEdit
{
    Q_OBJECT

public:
    explicit KItemListRoleEditor(QWidget* parent);
    ~KItemListRoleEditor() override;

    void setRole(const QByteArray& role);
    QByteArray role() const;

    bool eventFilter(QObject* watched, QEvent* event) override;

signals:
    void roleEditingFinished(const QByteArray& role, const QVariant& value);
    void roleEditingCanceled(const QByteArray& role, const QVariant& value);

protected:
    bool event(QEvent* event) override;
    void keyPressEvent(QKeyEvent* event) override;

private slots:
    /**
     * Increases the size of the editor in case if there is not
     * enough room for the text.
     */
    void autoAdjustSize();

private:
    /**
     * Emits the signal roleEditingFinished if m_blockFinishedSignal
     * is false.
     */
    void emitRoleEditingFinished();

private:
    QByteArray m_role;
    bool m_blockFinishedSignal;
};

#endif