File indexing completed on 2025-02-23 04:34:23

0001 /**
0002  * \file comboboxdelegate.cpp
0003  * Delegate to select with combo box between items in Qt:UserRole data.
0004  *
0005  * \b Project: Kid3
0006  * \author Urs Fleisch
0007  * \date 28 May 2011
0008  *
0009  * Copyright (C) 2011-2024  Urs Fleisch
0010  *
0011  * This file is part of Kid3.
0012  *
0013  * Kid3 is free software; you can redistribute it and/or modify
0014  * it under the terms of the GNU General Public License as published by
0015  * the Free Software Foundation; either version 2 of the License, or
0016  * (at your option) any later version.
0017  *
0018  * Kid3 is distributed in the hope that it will be useful,
0019  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0020  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0021  * GNU General Public License for more details.
0022  *
0023  * You should have received a copy of the GNU General Public License
0024  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
0025  */
0026 
0027 #pragma once
0028 
0029 #include <QStyledItemDelegate>
0030 
0031 /**
0032  * Delegate to select with combo box between items in Qt:UserRole data.
0033  */
0034 class ComboBoxDelegate : public QStyledItemDelegate {
0035 public:
0036   /**
0037    * Constructor.
0038    * @param parent parent object
0039    */
0040   explicit ComboBoxDelegate(QObject* parent = nullptr);
0041 
0042   /**
0043    * Destructor.
0044    */
0045   ~ComboBoxDelegate() override = default;
0046 
0047   /**
0048    * Create an editor to edit the cells contents.
0049    * @param parent parent widget
0050    * @param option style
0051    * @param index  index of item
0052    * @return combo box editor widget.
0053    */
0054   QWidget* createEditor(QWidget* parent,
0055                         const QStyleOptionViewItem& option,
0056                         const QModelIndex& index ) const override;
0057 
0058   /**
0059    * Set data to be edited by the editor.
0060    * @param editor editor widget
0061    * @param index  index of item
0062    */
0063   void setEditorData(QWidget* editor, const QModelIndex& index) const override;
0064 
0065   void setModelData(QWidget* editor, QAbstractItemModel* model,
0066                     const QModelIndex& index) const override;
0067 };