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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Numeric/ComboUtil.h
//! @brief Declares combo functions in namespace GUI::Util, implements templated function.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2022
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifndef BORNAGAIN_GUI_VIEW_NUMERIC_COMBOUTIL_H
#define BORNAGAIN_GUI_VIEW_NUMERIC_COMBOUTIL_H
#include "GUI/Model/Descriptor/PolyPtr.h"
#include "GUI/Model/Project/ProjectDocument.h"
#include "GUI/View/Base/CustomEventFilters.h"
#include <QComboBox>
class ComboProperty;
namespace GUI::Util {
//! Create a combo box with the information found in a ComboProperty.
//!
//! The combo box will be filled with the available options and will get the found tooltips,
//! the common one and individual for each item. The current text will be just passes to "slot"
//! function.
//!
//! If this combox box resides in a scroll area, we ignore mouse wheel events.
//!
//! The combo can be updated from outside using "updaters" list.
QComboBox* createComboBox(std::function<ComboProperty()> comboFunction,
std::function<void(const QString&)> slot, bool inScrollArea,
QVector<std::function<void()>>* updaters = nullptr, QString tooltip = "");
//! Create a combo box with the information found in a selection property.
//!
//! The combo will be filled with the available options and will get the found tooltip.
//! The current index will be set according to the current index in the selection.
//! Furthermore, the combo box can prohibit accidental changes by the mouse wheel. Otherwise it
//! would be dangerous if the combo is on a scrollable form - unintended and unnoticed changes would
//! take place when just scrolling through the form.
template <typename B, typename C>
QComboBox* createGeneralComboBoxFromPolyPtr(PolyPtr<B, C>& d, std::function<void(int)> full_slot,
bool inScrollArea)
{
auto* combo = new QComboBox;
combo->addItems(d.menuEntries());
combo->setMaxCount(d.menuEntries().size());
combo->setToolTip(d.piTooltip());
combo->setCurrentIndex(d.certainIndex());
if (inScrollArea)
WheelEventEater::install(combo);
QObject::connect(combo, &QComboBox::currentIndexChanged, [full_slot](int index) {
if (full_slot)
full_slot(index);
gDoc->setModified();
});
return combo;
}
//! Create a combo box with the information found in a selection property.
//!
//! Changes in the combobox will be notified to the PolyItem already. The additional (and
//! optional) slot can be used to be notified about an already executed change.
template <typename B, typename C>
QComboBox* createComboBoxFromPolyPtr(PolyPtr<B, C>& d, std::function<void(int)> optional_slot,
bool inScrollArea)
{
return createGeneralComboBoxFromPolyPtr(
d,
[&d, optional_slot](int index) {
d.setCertainIndex(index);
if (optional_slot)
optional_slot(index);
gDoc->setModified();
},
inScrollArea);
}
} // namespace GUI::Util
#endif // BORNAGAIN_GUI_VIEW_NUMERIC_COMBOUTIL_H
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