screengeometry.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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 **********************************************************************/
 
#pragma once
 
#include <QScreen>
 
#define NEW_IMPL QT_VERSION >= QT_VERSION_CHECK (5, 10, 0)
 
#if NEW_IMPL
#include <QGuiApplication>
#else
#include <QApplication>
#include <QDesktopWidget>
#endif
 
namespace LC::Util::Compat
{
    auto GetScreenWithFallback (const QPoint& p)
    {
#if NEW_IMPL
        if (auto screen = QGuiApplication::screenAt (p))
            return screen;
#else
        if (auto screen = QGuiApplication::screens ().value (QApplication::desktop ()->screenNumber (p)))
            return screen;
#endif
        qWarning () << Q_FUNC_INFO
                << "unknown screen for point"
                << p;
        return QGuiApplication::primaryScreen ();
    }
 
    inline QRect AvailableGeometry (const QPoint& p)
    {
        return GetScreenWithFallback (p)->availableGeometry ();
    }
 
    inline QRect ScreenGeometry (const QPoint& p)
    {
        return GetScreenWithFallback (p)->geometry ();
    }
}
 
#undef NEW_IMPL