[qml] Upgrade QgsRectangle to Q_GADGET

python/PyQt6/core/auto_generated/geometry/qgsrectangle.sip.in

@@ -25,6 +25,9 @@ Examples are storing a layer extent or the current view extent of a map
 %TypeHeaderCode
 #include "qgsrectangle.h"
 %End
+  public:
+    static const QMetaObject staticMetaObject;
+
   public:
 
     QgsRectangle(); // optimised constructor for null rectangle - no need to call normalize here

python/PyQt6/core/auto_generated/geometry/qgsreferencedgeometry.sip.in

@@ -58,6 +58,9 @@ A :py:class:`QgsRectangle` with associated coordinate reference system.
 %TypeHeaderCode
 #include "qgsreferencedgeometry.h"
 %End
+  public:
+    static const QMetaObject staticMetaObject;
+
   public:
 
     QgsReferencedRectangle( const QgsRectangle &rectangle, const QgsCoordinateReferenceSystem &crs );

python/core/auto_generated/geometry/qgsrectangle.sip.in

@@ -25,6 +25,9 @@ Examples are storing a layer extent or the current view extent of a map
 %TypeHeaderCode
 #include "qgsrectangle.h"
 %End
+  public:
+    static const QMetaObject staticMetaObject;
+
   public:
 
     QgsRectangle(); // optimised constructor for null rectangle - no need to call normalize here

python/core/auto_generated/geometry/qgsreferencedgeometry.sip.in

@@ -58,6 +58,9 @@ A :py:class:`QgsRectangle` with associated coordinate reference system.
 %TypeHeaderCode
 #include "qgsreferencedgeometry.h"
 %End
+  public:
+    static const QMetaObject staticMetaObject;
+
   public:
 
     QgsReferencedRectangle( const QgsRectangle &rectangle, const QgsCoordinateReferenceSystem &crs );

src/core/geometry/qgsrectangle.h

@@ -40,6 +40,20 @@ class QgsBox3D;
  */
 class CORE_EXPORT QgsRectangle
 {
+    Q_GADGET
+
+    Q_PROPERTY( double xMinimum READ xMinimum WRITE setXMinimum )
+    Q_PROPERTY( double xMaximum READ xMaximum WRITE setXMaximum )
+    Q_PROPERTY( double yMinimum READ yMinimum WRITE setYMinimum )
+    Q_PROPERTY( double yMaximum READ yMaximum WRITE setYMaximum )
+    Q_PROPERTY( double width READ width )
+    Q_PROPERTY( double height READ height )
+    Q_PROPERTY( double area READ area )
+    Q_PROPERTY( double perimeter READ perimeter )
+    Q_PROPERTY( QgsPointXY center READ center )
+    Q_PROPERTY( bool isEmpty READ isEmpty )
+    Q_PROPERTY( bool isNull READ isNull )
+
   public:
 
     //! Constructor for a null rectangle
@@ -518,12 +532,12 @@ class CORE_EXPORT QgsRectangle
     /**
      * Returns a string representation of the rectangle in WKT format.
      */
-    QString asWktCoordinates() const;
+    Q_INVOKABLE QString asWktCoordinates() const;
 
     /**
      * Returns a string representation of the rectangle as a WKT Polygon.
      */
-    QString asWktPolygon() const;
+    Q_INVOKABLE QString asWktPolygon() const;
 
     /**
      * Returns a QRectF with same coordinates as the rectangle.
@@ -538,7 +552,7 @@ class CORE_EXPORT QgsRectangle
      * Coordinates will be truncated to the specified precision.
      * If the specified precision is less than 0, a suitable minimum precision is used.
      */
-    QString toString( int precision = 16 ) const;
+    Q_INVOKABLE QString toString( int precision = 16 ) const;
 
     /**
      * Returns the rectangle as a polygon.

src/core/geometry/qgsreferencedgeometry.cpp

@@ -16,6 +16,7 @@
  ***************************************************************************/
 
 #include "qgsreferencedgeometry.h"
+#include "moc_qgsreferencedgeometry.cpp"
 
 QgsReferencedGeometryBase::QgsReferencedGeometryBase( const QgsCoordinateReferenceSystem &crs )
   : mCrs( crs )

src/core/geometry/qgsreferencedgeometry.h

@@ -70,6 +70,8 @@ class CORE_EXPORT QgsReferencedGeometryBase
  */
 class CORE_EXPORT QgsReferencedRectangle : public QgsRectangle, public QgsReferencedGeometryBase
 {
+    Q_GADGET
+
   public:
 
     /**