squawk/ui/utils/comboboxdelegate.h

/*
 * Squawk messenger. 
 * Copyright (C) 2019  Yury Gubich <blue@macaw.me>
 * 
 * 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 3 of the License, 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.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef COMBOBOXDELEGATE_H
#define COMBOBOXDELEGATE_H

#include <QStyledItemDelegate>
#include <QComboBox>
#include <QFocusEvent>

#include <deque>

/**
 * @todo write docs
 */
class ComboboxDelegate : public QStyledItemDelegate
{
    Q_OBJECT
    
    class FocusFilter : public QObject {
    public:
        bool eventFilter(QObject *src, QEvent *evt) override;
    };
    
public:
    ComboboxDelegate(QObject *parent = nullptr);
    ~ComboboxDelegate();
    
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
    void setEditorData(QWidget *editor, const QModelIndex &index) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
    
    void addEntry(const QString& title, const QIcon& icon = QIcon());
    
private:
    std::deque<std::pair<QString, QIcon>> entries;
    FocusFilter* ff;
};



#endif // COMBOBOXDELEGATE_H