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GUI/src/components/AccountRoleComboDelegate.cpp

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//
// Created by Krad on 2021/12/8.
//
#include "AccountRoleComboDelegate.h"
#include <QPainter>
#include "db/SQLHelper.h"
AccountRoleComboDelegate::AccountRoleComboDelegate(QWidget *parent):QItemDelegate(parent) {
SQLHelper::QueryMap("select RoleID,RoleName from Role",map);
}
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//之前使用重写paint来实现了替换显示文字效果一般
//
//void AccountRoleComboDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const {
// QItemDelegate::paint(painter, option, index);
//}
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//相较于直接在paint里面操作这是一个更好的选择可以直接改变Display而不影响前后景的绘制。
void AccountRoleComboDelegate::drawDisplay(QPainter *painter, const QStyleOptionViewItem &option, const QRect &rect,
const QString &text) const {
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//绘制文本
painter->drawText(option.rect, Qt::TextWordWrap | Qt::AlignCenter , map[text].toString());
}