Mac-4.7.4/src/gui/kernel/qdesktopwidget.cpp

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#include "qglobal.h"
#include "qdesktopwidget.h"
#include "qwidget_p.h"

QT_BEGIN_NAMESPACE

const QRect QDesktopWidget::screenGeometry(const QWidget *widget) const
{
    if (!widget) {
        qWarning("QDesktopWidget::screenGeometry(): Attempt "
                 "to get the screen geometry of a null widget");
        return QRect();
    }
    QRect rect = QWidgetPrivate::screenGeometry(widget);
    if (rect.isNull())
        return screenGeometry(screenNumber(widget));
    else return rect;
}

const QRect QDesktopWidget::availableGeometry(const QWidget *widget) const
{
    if (!widget) {
        qWarning("QDesktopWidget::availableGeometry(): Attempt "
                 "to get the available geometry of a null widget");
        return QRect();
    }
    QRect rect = QWidgetPrivate::screenGeometry(widget);
    if (rect.isNull())
        return availableGeometry(screenNumber(widget));
    else
        return rect;
}

QT_END_NAMESPACE