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* VBox frontends: Qt GUI ("VirtualBox"):
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* VirtualBox Qt extensions: QITreeWidget class implementation
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* Copyright (C) 2008-2009 Sun Microsystems, Inc.
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* This file is part of VirtualBox Open Source Edition (OSE), as
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* available from http://www.virtualbox.org. This file is free software;
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* you can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) as published by the Free Software
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* Foundation, in version 2 as it comes in the "COPYING" file of the
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* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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* Clara, CA 95054 USA or visit http://www.sun.com if you need
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* additional information or have any questions.
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#include <QResizeEvent>
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#include "QITreeWidget.h"
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QITreeWidget::QITreeWidget (QWidget *aParent)
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: QTreeWidget (aParent)
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void QITreeWidget::paintEvent (QPaintEvent *aEvent)
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/* Opens Items Painter */
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painter.begin (viewport());
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/* Notify connected objects about painting */
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QTreeWidgetItemIterator it (this);
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emit painted (*it, &painter);
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/* Close Items Painter */
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/* Base-class paint-event */
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QTreeWidget::paintEvent (aEvent);
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void QITreeWidget::resizeEvent (QResizeEvent *aEvent)
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/* Base-class resize-event */
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QTreeWidget::resizeEvent (aEvent);
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/* Notify connected objects about resize */
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emit resized (aEvent->size(), aEvent->oldSize());
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void QITreeWidget::addTopBottomMarginToItems (int aMargin)
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for (int i = 0; i < topLevelItemCount(); ++ i)
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QTreeWidgetItem *item = topLevelItem (i);
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QSize s = item->sizeHint (0);
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item->setSizeHint (0, QSize (s.width(), s.height() + 2 * aMargin));