autoresizemixin.cpp

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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)
 **********************************************************************/
 
#include "autoresizemixin.h"
#include <QWidget>
#include <QWindow>
#include <QResizeEvent>
#include <util/gui/geometry.h>
 
namespace LC::Util
{
    AutoResizeMixin::AutoResizeMixin (const QPoint& point, RectGetter_f size, QWidget *view)
    : QObject (view)
    , OrigPoint_ (point)
    , Mover_ ([view] (const QPoint& pos) { view->move (pos); })
    , Rect_ (std::move (size))
    {
        view->installEventFilter (this);
        Refit (view->size ());
    }
 
    AutoResizeMixin::AutoResizeMixin (const QPoint& point, RectGetter_f size, QWindow *window)
    : QObject (window)
    , OrigPoint_ (point)
    , Mover_ ([window] (const QPoint& pos) { window->setPosition (pos); })
    , Rect_ (std::move (size))
    {
        window->installEventFilter (this);
        Refit (window->size ());
    }
 
    bool AutoResizeMixin::eventFilter (QObject*, QEvent *event)
    {
        if (event->type () != QEvent::Resize)
            return false;
 
        auto re = static_cast<QResizeEvent*> (event);
        Refit (re->size ());
        return false;
    }
 
    void AutoResizeMixin::Refit (const QSize& size)
    {
        Mover_ (FitRect (OrigPoint_, size, Rect_ (), Util::FitFlag::NoOverlap));
    }
}