gecko/widget/src/qt/nsScreenQt.cpp

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
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 * for the specific language governing rights and limitations under the
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 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 2000
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Lars Knoll <knoll@kde.org>
 *   Zack Rusin <zack@kde.org>
 *   John C. Griggs <johng@corel.com>
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#include "nsScreenQt.h"

#include <qcolor.h>
#include <qcolormap.h>
#include <qrect.h>
#include <qdesktopwidget.h>
#include <qapplication.h>

nsScreenQt::nsScreenQt(int aScreen)
    : mScreen(aScreen)
{
    // nothing else to do. I guess we could cache a bunch of information
    // here, but we want to ask the device at runtime in case anything
    // has changed.
}

nsScreenQt::~nsScreenQt()
{
    // nothing to see here.
}

// addref, release, QI
NS_IMPL_ISUPPORTS1(nsScreenQt, nsIScreen)

NS_IMETHODIMP
nsScreenQt::GetRect(PRInt32 *outLeft,PRInt32 *outTop,
                    PRInt32 *outWidth,PRInt32 *outHeight)
{
    QRect r = QApplication::desktop()->screenGeometry(mScreen);
    *outTop = r.x();
    *outLeft = r.y();
    *outWidth = r.width();
    *outHeight = r.height();

    return NS_OK;
}

NS_IMETHODIMP
nsScreenQt::GetAvailRect(PRInt32 *outLeft,PRInt32 *outTop,
                         PRInt32 *outWidth,PRInt32 *outHeight)
{
    QRect r = QApplication::desktop()->availableGeometry(mScreen);
    *outTop = r.x();
    *outLeft = r.y();
    *outWidth = r.width();
    *outHeight = r.height();

    return NS_OK;
}

NS_IMETHODIMP
nsScreenQt::GetPixelDepth(PRInt32 *aPixelDepth)
{
    // #############
    *aPixelDepth = (PRInt32)QColormap::instance().depth();
    return NS_OK;
}

NS_IMETHODIMP
nsScreenQt::GetColorDepth(PRInt32 *aColorDepth)
{
    // ###############
    return GetPixelDepth(aColorDepth);
}