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Qt: Fix broken icon styling in Win11 theme

This commit is contained in:
TheLastRar 2025-04-08 22:37:26 +01:00 committed by lightningterror
parent b50e39e5cb
commit cbc3c4e6eb
1 changed files with 38 additions and 6 deletions
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44
pcsx2-qt/GameList/GameListWidget.cpp
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@ -19,6 +19,7 @@
#include <QtCore/QSortFilterProxyModel>
#include <QtGui/QPainter>
#include <QtGui/QPixmap>
#include <QtGui/QPixmapCache>
#include <QtGui/QWheelEvent>
#include <QtWidgets/QApplication>
#include <QtWidgets/QHeaderView>
@ -113,20 +114,51 @@ namespace
// https://stackoverflow.com/questions/32216568/how-to-set-icon-center-in-qtableview
Q_ASSERT(index.isValid());
// draw default item
// Draw the base item, with a blank icon
QStyleOptionViewItem opt = option;
initStyleOption(&opt, index);
opt.type = QStyleOption::SO_Default;
QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &opt, painter, 0);
opt.icon = QIcon();
// Based on QStyledItemDelegate::paint()
const QStyle* style = option.widget ? option.widget->style() : QApplication::style();
style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, option.widget);
// Fetch icon pixmap
const QRect r = option.rect;
const QPixmap pix = qvariant_cast<QPixmap>(index.data(Qt::DecorationRole));
const int pix_width = static_cast<int>(pix.width() / pix.devicePixelRatio());
const int pix_height = static_cast<int>(pix.width() / pix.devicePixelRatio());
const int pix_height = static_cast<int>(pix.height() / pix.devicePixelRatio());
// draw pixmap at center of item
// Draw the icon, using code derived from QItemDelegate::drawDecoration()
const bool enabled = option.state & QStyle::State_Enabled;
const QPoint p = QPoint((r.width() - pix_width) / 2, (r.height() - pix_height) / 2);
painter->drawPixmap(r.topLeft() + p, pix);
if (option.state & QStyle::State_Selected)
{
// See QItemDelegate::selectedPixmap()
QString key = QString::fromStdString(fmt::format("{:016X}-{:d}", pix.cacheKey(), enabled));
QPixmap pm;
if (!QPixmapCache::find(key, &pm))
{
QImage img = pix.toImage().convertToFormat(QImage::Format_ARGB32_Premultiplied);
QColor color = option.palette.color(enabled ? QPalette::Normal : QPalette::Disabled,
QPalette::Highlight);
color.setAlphaF(0.3f);
QPainter tinted_painter(&img);
tinted_painter.setCompositionMode(QPainter::CompositionMode_SourceAtop);
tinted_painter.fillRect(0, 0, img.width(), img.height(), color);
tinted_painter.end();
pm = QPixmap(QPixmap::fromImage(img));
QPixmapCache::insert(key, pm);
}
painter->drawPixmap(r.topLeft() + p, pm);
}
else
{
painter->drawPixmap(r.topLeft() + p, pix);
}
}
};
} // namespace