QEnumFieldWidget.cpp

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#include "QEnumFieldWidget.h"
 
#include <QHBoxLayout>
#include <QComboBox>
 
#include "DeclareEnum.h"
 
namespace dyno
{
    IMPL_FIELD_WIDGET(PEnum, QEnumFieldWidget)
 
        QEnumFieldWidget::QEnumFieldWidget(FBase* field)
        : QFieldWidget(field)
    {
        auto f = TypeInfo::cast<FVar<PEnum>>(field);
        if (f == nullptr || f->constDataPtr() == nullptr) {
            return;
        }
 
        QHBoxLayout* layout = new QHBoxLayout;
        layout->setContentsMargins(0, 0, 0, 0);
        layout->setSpacing(0);
 
        QLabel* name = new QLabel();
        name->setFixedHeight(24);
        name->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
        name->setText(FormatFieldWidgetName(field->getObjectName()));
        layout->addWidget(name, 0);
 
        QComboBox* combox = new QComboBox;
        combox->setMaximumWidth(256);
 
        auto& enums = f->constDataPtr()->enumMap();
        int num = 0;
        int curIndex = 0;
        for (auto e : enums)
        {
            mComboxIndexMap[num] = e.first;
            combox->addItem(QString::fromStdString(e.second));
 
            if (e.first == f->constDataPtr()->currentKey()) {
                curIndex = num;
            }
 
            num++;
        }
 
        combox->setCurrentIndex(curIndex);
 
        layout->addWidget(combox, 1);
 
        this->setLayout(layout);
 
        connect(combox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &QEnumFieldWidget::updateField);
    }
 
    void QEnumFieldWidget::updateField(int index)
    {
        auto f = TypeInfo::cast<FVar<PEnum>>(field());
        if (f == nullptr || f->constDataPtr() == nullptr) {
            return;
        }
 
        auto& enums = f->getDataPtr()->enumMap();
 
        f->getDataPtr()->setCurrentKey(mComboxIndexMap[index]);
        //To notify the field is updated
        f->update();
    }
}