autoresizemixin.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/

#pragma once

#include <functional>
#include <QObject>
#include <QPoint>
#include <QRect>
#include "guiconfig.h"

class QWidget;
class QWindow;

namespace LC::Util
{
    class AutoResizeMixin : public QObject
    {
        const QPoint OrigPoint_;

        const std::function<void (QPoint)> Mover_;
    public:
        using RectGetter_f = std::function<QRect ()>;
    private:
        const RectGetter_f Rect_;
    public:
        UTIL_GUI_API AutoResizeMixin (const QPoint& point, RectGetter_f rect, QWidget *widget);

        UTIL_GUI_API AutoResizeMixin (const QPoint& point, RectGetter_f rect, QWindow *window);

        bool eventFilter (QObject*, QEvent*) override;
    private:
        void Refit (const QSize&);
    };
}