ComboBox.h

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/*
 * ComboBox.h - class ComboBox, a combo box view for models
 *
 * Copyright (c) 2006-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * 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 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 (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_GUI_COMBOBOX_H
#define LMMS_GUI_COMBOBOX_H
 
#include <QMenu>
#include <QWidget>
 
#include "ComboBoxModel.h"
#include "AutomatableModelView.h"
 
namespace lmms::gui
{
 
class LMMS_EXPORT ComboBox : public QWidget, public IntModelView
{
    Q_OBJECT
public:
    ComboBox( QWidget* parent = nullptr, const QString& name = QString() );
    ~ComboBox() override = default;
 
    ComboBoxModel* model()
    {
        return castModel<ComboBoxModel>();
    }
 
    const ComboBoxModel* model() const
    {
        return castModel<ComboBoxModel>();
    }
 
    static constexpr int DEFAULT_HEIGHT = 22;
 
public slots:
    void selectNext();
    void selectPrevious();
 
 
protected:
    void contextMenuEvent( QContextMenuEvent* event ) override;
    void mousePressEvent( QMouseEvent* event ) override;
    void paintEvent( QPaintEvent* event ) override;
    void wheelEvent( QWheelEvent* event ) override;
 
 
private:
    QPixmap m_background = embed::getIconPixmap("combobox_bg");
    QPixmap m_arrow = embed::getIconPixmap("combobox_arrow");
    QPixmap m_arrowSelected = embed::getIconPixmap("combobox_arrow_selected");
 
    QMenu m_menu;
 
    bool m_pressed;
 
 
private slots:
    void setItem( QAction* item );
 
} ;
 
} // namespace lmms::gui
 
#endif // LMMS_GUI_COMBOBOX_H