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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/coregui/Views/CommonWidgets/AdjustingScrollArea.cpp
//! @brief Implements class AdjustingScrollArea
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/coregui/Views/CommonWidgets/AdjustingScrollArea.h"
#include <QEvent>
#include <QScrollBar>
AdjustingScrollArea::AdjustingScrollArea(QWidget* parent) : QScrollArea(parent)
{
setObjectName("MyScrollArea");
setContentsMargins(0, 0, 0, 0);
setWidgetResizable(true);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
setStyleSheet("QScrollArea#MyScrollArea {border: 0px; background-color:transparent;}");
}
void AdjustingScrollArea::setWidget(QWidget* w)
{
QScrollArea::setWidget(w);
w->installEventFilter(this);
}
QSize AdjustingScrollArea::sizeHint() const
{
QScrollBar* horizontal = horizontalScrollBar();
QSize result(viewport()->width(), widget()->height() + horizontal->height() * 2);
return result;
}
bool AdjustingScrollArea::eventFilter(QObject* obj, QEvent* ev)
{
if (obj == widget() && ev->type() != QEvent::Resize) {
widget()->setMaximumWidth(viewport()->width());
setMaximumHeight(height() - viewport()->height() + widget()->height());
}
return QScrollArea::eventFilter(obj, ev);
}
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