diff --git a/crates/cxx-qt-lib/src/gui/qpolygon.rs b/crates/cxx-qt-lib/src/gui/qpolygon.rs
index 8a6b21d64..1e3442312 100644
--- a/crates/cxx-qt-lib/src/gui/qpolygon.rs
+++ b/crates/cxx-qt-lib/src/gui/qpolygon.rs
@@ -19,6 +19,8 @@ mod ffi {
         type QPoint = crate::QPoint;
         include!("cxx-qt-lib/qrect.h");
         type QRect = crate::QRect;
+        include!("cxx-qt-lib/qstring.h");
+        type QString = crate::QString;
 
         include!("cxx-qt-lib/qpolygon.h");
         type QPolygon = super::QPolygon;
@@ -81,6 +83,10 @@ mod ffi {
         #[doc(hidden)]
         #[rust_name = "qpolygon_eq"]
         fn operatorEq(a: &QPolygon, b: &QPolygon) -> bool;
+
+        #[doc(hidden)]
+        #[rust_name = "qpolygon_to_qstring"]
+        fn toQString(value: &QPolygon) -> QString;
     }
 }
 
@@ -131,6 +137,12 @@ impl PartialEq for QPolygon {
     }
 }
 
+impl std::fmt::Display for QPolygon {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(f, "{}", ffi::qpolygon_to_qstring(self))
+    }
+}
+
 impl Eq for QPolygon {}
 
 // Safety:
diff --git a/crates/cxx-qt-lib/src/gui/qpolygonf.rs b/crates/cxx-qt-lib/src/gui/qpolygonf.rs
index f67a67fac..4d0b33ced 100644
--- a/crates/cxx-qt-lib/src/gui/qpolygonf.rs
+++ b/crates/cxx-qt-lib/src/gui/qpolygonf.rs
@@ -20,6 +20,8 @@ mod ffi {
         type QRectF = crate::QRectF;
         include!("cxx-qt-lib/qpolygon.h");
         type QPolygon = crate::QPolygon;
+        include!("cxx-qt-lib/qstring.h");
+        type QString = crate::QString;
 
         include!("cxx-qt-lib/qpolygonf.h");
         type QPolygonF = super::QPolygonF;
@@ -79,6 +81,10 @@ mod ffi {
         #[doc(hidden)]
         #[rust_name = "qpolygonf_eq"]
         fn operatorEq(a: &QPolygonF, b: &QPolygonF) -> bool;
+
+        #[doc(hidden)]
+        #[rust_name = "qpolygonf_to_qstring"]
+        fn toQString(value: &QPolygonF) -> QString;
     }
 }
 
@@ -120,6 +126,12 @@ impl PartialEq for QPolygonF {
     }
 }
 
+impl std::fmt::Display for QPolygonF {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(f, "{}", ffi::qpolygonf_to_qstring(self))
+    }
+}
+
 impl Eq for QPolygonF {}
 
 // Safety: