Files
cbh/ElaWidgetTools/DeveloperComponents/ElaBreadcrumbBarDelegate.cpp
2025-09-20 01:41:33 +08:00

43 lines
1.8 KiB
C++

#include "ElaBreadcrumbBarDelegate.h"
#include <QPainter>
#include "ElaTheme.h"
ElaBreadcrumbBarDelegate::ElaBreadcrumbBarDelegate(QObject *parent) : QStyledItemDelegate{parent} {
_themeMode = eTheme->getThemeMode();
connect(eTheme, &ElaTheme::themeModeChanged, this, [=](ElaThemeType::ThemeMode themeMode) { _themeMode = themeMode; });
}
ElaBreadcrumbBarDelegate::~ElaBreadcrumbBarDelegate() {}
void ElaBreadcrumbBarDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const {
painter->save();
painter->setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
painter->setPen(ElaThemeColor(_themeMode, BasicText));
QRect itemRect = option.rect;
QString breadcrumbDisplayData = index.data(Qt::DisplayRole).toString();
QString breadcrumbUserData = index.data(Qt::UserRole).toString();
if (breadcrumbUserData != "LastBreadcrumb") {
if (_pPressIndex == index) {
// 鼠标按下
painter->setPen(ElaThemeColor(_themeMode, BasicTextPress));
} else {
// 不为最后一个 且没有被鼠标覆盖
if (!(option.state & QStyle::State_MouseOver)) {
painter->setPen(ElaThemeColor(_themeMode, BasicTextNoFocus));
}
}
}
if (breadcrumbDisplayData != ">") {
painter->drawText(itemRect, Qt::AlignVCenter | Qt::AlignLeft, breadcrumbDisplayData);
} else {
// 分隔符
QFont iconFont = QFont("ElaAwesome");
iconFont.setPixelSize(painter->font().pixelSize() * 0.785);
painter->setFont(iconFont);
itemRect.setX(itemRect.x() - itemRect.width() * 0.36);
painter->drawText(itemRect, Qt::AlignCenter, QChar((unsigned short)ElaIconType::AngleRight));
}
painter->restore();
}