--- src/qt6gtk2-style/qstylehelper_p.h.orig	2025-06-11 06:41:16 UTC
+++ src/qt6gtk2-style/qstylehelper_p.h
@@ -43,6 +43,37 @@

 QT_BEGIN_NAMESPACE

+#if (QT_VERSION >= QT_VERSION_CHECK(6, 9, 0))
+#define BEGIN_STYLE_PIXMAPCACHE(a) \
+	QRect rect = option->rect; \
+	QPixmap internalPixmapCache; \
+	QPainter *p = painter; \
+	const auto dpr = p->device()->devicePixelRatio(); \
+	const QString unique = QStyleHelper::uniqueName((a), option, option->rect.size(), dpr); \
+	int txType = painter->deviceTransform().type() | painter->worldTransform().type(); \
+	const bool doPixmapCache = (!option->rect.isEmpty()) \
+			&& ((txType <= QTransform::TxTranslate) || (painter->deviceTransform().type() == QTransform::TxScale)); \
+	if (doPixmapCache && QPixmapCache::find(unique, &internalPixmapCache)) { \
+		painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \
+	} else { \
+		if (doPixmapCache) { \
+			rect.setRect(0, 0, option->rect.width(), option->rect.height()); \
+			internalPixmapCache = styleCachePixmap(option->rect.size(), dpr); \
+			p = new QPainter(&internalPixmapCache); \
+		}
+
+
+
+#define END_STYLE_PIXMAPCACHE \
+		if (doPixmapCache) { \
+			p->end(); \
+			delete p; \
+			painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \
+			QPixmapCache::insert(unique, internalPixmapCache); \
+		} \
+	}
+#endif
+
 class QPainter;
 class QPixmap;
 class QStyleOptionSlider;