popupwidget.cpp Example File
demos/spreadsheet/popupwidget.cpp
/****************************************************************************
**
** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** Licensees holding valid Qt Preview licenses may use this file in
** accordance with the Qt Preview License Agreement provided with the
** Software.
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** information about Qt Commercial License Agreements.
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** not clear to you.
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/
#include "popupwidget.h"
#include <QtGui>
PopupWidget::PopupWidget(QWidget *parent)
:QWidget(parent, Qt::Popup), childWidget(0),
eventLoop(0), returnCode(QDialog::Rejected)
{
}
PopupWidget::~PopupWidget()
{
if(eventLoop)
delete eventLoop;
}
void PopupWidget::setWidget(QWidget * widget)
{
childWidget = widget;
QVBoxLayout *widgetLayout = new QVBoxLayout(this);
widgetLayout->setMargin(0);
widgetLayout->addWidget(childWidget);
}
QWidget* PopupWidget::widget() const
{
return childWidget;
}
int PopupWidget::exec(const QRect& rect)
{
returnCode = QDialog::Rejected;
move(rect.bottomLeft());
show();
if(!eventLoop)
eventLoop = new QEventLoop;
eventLoop->exec();
return returnCode;
}
void PopupWidget::closePopup()
{
returnCode = QDialog::Accepted;
hide();
if(eventLoop)
eventLoop->exit();
}
void PopupWidget::hideEvent(QHideEvent *)
{
if(eventLoop)
eventLoop->exit();
}