qt/LedOK/base/x_spinboxdelegate.cpp

#include "x_spinboxdelegate.h"
/*
    A delegate that allows the user to change integer values from the model
    using a spin box widget.
*/
#include <QSpinBox>

SpinBoxDelegate::SpinBoxDelegate(QObject *parent, int iFlag) : QStyledItemDelegate(parent) {
    m_iFlag=iFlag;
}

QWidget *SpinBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &, const QModelIndex &index) const {
    if(index.column()!=0) return 0;
    QSpinBox *editor = new QSpinBox(parent);
    editor->setFrame(false);
    editor->setMinimum(0);
    if(m_iFlag==0) editor->setMaximum(100);//亮度最大值
    else if(m_iFlag==1) editor->setMaximum(15);//音量最大值
    editor->setAlignment(Qt::AlignHCenter);
    return editor;
}
void SpinBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const{
    int value = index.model()->data(index, Qt::EditRole).toInt();
    QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
    spinBox->setValue(value);
}
void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const{
    QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
    spinBox->interpretText();
    int value = spinBox->value();
    model->setData(index, value, Qt::EditRole);
}
void SpinBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &) const {
    editor->setGeometry(option.rect);
}