matrixion/include/emoji/Panel.h

/*
 * nheko Copyright (C) 2017  Konstantinos Sideris <siderisk@auth.gr>
 *
 * 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/>.
 */

#pragma once

#include <QScrollArea>

#include "Provider.h"

namespace emoji {

class Category;

class Panel : public QWidget
{
        Q_OBJECT

public:
        Panel(QWidget *parent = nullptr);

signals:
        void mouseLeft();
        void emojiSelected(const QString &emoji);

protected:
        void leaveEvent(QEvent *event) override
        {
                emit leaving();
                QWidget::leaveEvent(event);
        }

        void paintEvent(QPaintEvent *event) override;

signals:
        void leaving();

private:
        void showCategory(const Category *category);

        Provider emoji_provider_;

        QScrollArea *scrollArea_;

        int shadowMargin_;

        // Panel dimensions.
        int width_;
        int height_;

        int categoryIconSize_;
};
} // namespace emoji