screenqt.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2006 Dirk Mueller <[e-mail]>
 *           (C) 2006 Nikolas Zimmermann <[e-mail]>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "Screen.h"

#include "Page.h"
#include "Frame.h"
#include "FrameView.h"
#include "Widget.h"
#include "IntRect.h"
#include "FloatRect.h"

#include <QApplication>
#include <QDesktopWidget>

namespace WebCore {

static QWidget* qwidgetForPage(const Page* page)
{
    Frame* frame = (page ? page->mainFrame() : 0);
    FrameView* frameView = (frame ? frame->view() : 0);

    if (!frameView)
        return 0;

    return frameView->qwidget();
}
    
FloatRect screenRect(const Page* page)
{
    QWidget* qw = qwidgetForPage(page);
    if (!qw)
        return FloatRect();

    // Taken from KGlobalSettings::desktopGeometry    
    QDesktopWidget* dw = QApplication::desktop();
    if (!dw)
        return FloatRect();

    return IntRect(dw->screenGeometry(qw));
}

int screenDepth(const Page* page)
{
    QWidget* qw = qwidgetForPage(page);
    if (!qw)
        return 32;

    return qw->depth();
}

FloatRect usableScreenRect(const Page* page)
{
    QWidget* qw = qwidgetForPage(page);
    if (!qw)
        return FloatRect();

    // Taken from KGlobalSettings::desktopGeometry    
    QDesktopWidget* dw = QApplication::desktop();
    if (!dw)
        return FloatRect();

    return IntRect(dw->availableGeometry(qw));
}

float scaleFactor(const Page*)
{
    return 1.0f;
}

}

// vim: ts=4 sw=4 et