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// ************************************************************************** //
//
// BornAgain: simulate and fit scattering at grazing incidence
//
//! @file GUI/coregui/Views/CommonWidgets/InfoPanel.cpp
//! @brief Declares class InfoPanel
//!
//! @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/InfoPanel.h"
#include "GUI/coregui/Views/CommonWidgets/InfoPanelToolBar.h"
#include <QBoxLayout>
#include <QResizeEvent>
#include <QStackedWidget>
namespace
{
const int minimum_widget_height = 25; // height of toolbar
const int minimum_height_before_collapse = 50;
const int default_height = 200;
} // namespace
InfoPanel::InfoPanel(QWidget* parent)
: QFrame(parent), m_toolBar(new InfoPanelToolBar), m_stackedWidget(new QStackedWidget),
m_cached_height(default_height)
{
auto mainLayout = new QVBoxLayout;
mainLayout->addWidget(m_toolBar);
mainLayout->addWidget(m_stackedWidget);
mainLayout->setContentsMargins(0, 0, 0, 0);
mainLayout->setMargin(0);
mainLayout->setSpacing(0);
setLayout(mainLayout);
connect(m_toolBar, &InfoPanelToolBar::expandButtonClicked, this,
&InfoPanel::onExpandButtonClicked);
connect(m_toolBar, &InfoPanelToolBar::closeButtonClicked, this,
&InfoPanel::onCloseButtonClicked);
}
QSize InfoPanel::sizeHint() const
{
QSize result = m_toolBar->sizeHint();
if (QWidget* widget = m_stackedWidget->currentWidget()) {
if (widget->isVisible())
result.setHeight(widget->height() + m_toolBar->height());
} else {
result.setHeight(m_toolBar->height());
}
return result;
}
QSize InfoPanel::minimumSizeHint() const
{
return QSize(minimum_widget_height, minimum_widget_height);
}
void InfoPanel::onExpandButtonClicked()
{
setContentVisible(!isContentVisible(), true);
}
void InfoPanel::onCloseButtonClicked()
{
emit widgetCloseRequest();
}
void InfoPanel::setContentVisible(bool editor_status, bool dock_notify)
{
m_toolBar->setExpandStatus(editor_status);
if (editor_status) {
if (m_cached_height)
if (dock_notify)
emit widgetHeightRequest(m_cached_height);
if (m_stackedWidget->currentWidget())
m_stackedWidget->currentWidget()->show();
} else {
m_cached_height = (height() < minimum_height_before_collapse ? default_height : height());
if (m_stackedWidget->currentWidget())
m_stackedWidget->currentWidget()->hide();
if (dock_notify)
emit widgetHeightRequest(minimum_widget_height);
}
}
bool InfoPanel::isContentVisible()
{
if (m_stackedWidget->currentWidget())
return m_stackedWidget->currentWidget()->isVisible();
return false;
}
void InfoPanel::resizeEvent(QResizeEvent* event)
{
// widget is schrinking in height
if (event->oldSize().height() > event->size().height()) {
if (event->size().height() <= minimum_height_before_collapse && isContentVisible())
setContentVisible(false);
}
// widget is growing in height
if (event->oldSize().height() < event->size().height()) {
if (event->size().height() > minimum_height_before_collapse && !isContentVisible())
setContentVisible(true);
}
QWidget::resizeEvent(event);
}
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