StringWidgets.h

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#pragma once
 
#include <QComboBox>
#include <QLineEdit>
 
#include "Basic.h"
 
namespace armarx::RemoteGui
{
    struct LineEditHandler : TypedWidget<LineEdit, QLineEdit, VALUE_VARIANT_STRING>
    {
        static QWidgetT*
        createWidget(RemoteWidgetT const& desc,
                     CreateWidgetCallback const& createChild,
                     const QObject* stateChangeReceiver,
                     const char* stateChangeSlot)
        {
            ARMARX_TRACE;
            QWidgetT* widget = new QWidgetT();
            widget->setToolTip(QString::fromStdString(desc.toolTip));
 
            QObject::connect(
                widget, SIGNAL(editingFinished()), stateChangeReceiver, stateChangeSlot);
 
            return widget;
        }
 
        static void
        updateGui(RemoteWidgetT const& desc, QWidgetT* widget, ValueT const& value)
        {
            widget->setText(toQString(value));
        }
 
        static ValueT
        handleGuiChange(RemoteWidgetT const& desc, QWidgetT* widget)
        {
            return toUtf8(widget->text());
        }
    };
 
    struct ComboBoxHandler : TypedWidget<ComboBox, QComboBox, VALUE_VARIANT_STRING>
    {
        static QWidgetT*
        createWidget(RemoteWidgetT const& desc,
                     CreateWidgetCallback const& createChild,
                     const QObject* stateChangeReceiver,
                     const char* stateChangeSlot)
        {
            ARMARX_TRACE;
            QWidgetT* widget = new QWidgetT();
            widget->setToolTip(QString::fromStdString(desc.toolTip));
 
            for (std::string const& option : desc.options)
            {
                ARMARX_TRACE;
                widget->addItem(toQString(option));
            }
            ARMARX_TRACE;
            QObject::connect(
                widget, SIGNAL(currentIndexChanged(int)), stateChangeReceiver, stateChangeSlot);
 
            return widget;
        }
 
        static void
        updateGui(RemoteWidgetT const& desc, QWidgetT* widget, ValueT const& value)
        {
            ARMARX_TRACE;
            int index = widget->findText(toQString(value));
            if (index >= 0)
            {
                widget->setCurrentIndex(index);
            }
            else
            {
                throw LocalException()
                    << "Invalid value set for ComboBox '" << desc.name << "': " << value;
            }
        }
 
        static ValueT
        handleGuiChange(RemoteWidgetT const& desc, QWidgetT* widget)
        {
            return toUtf8(widget->currentText());
        }
    };
 
} // namespace armarx::RemoteGui