diff --git a/src/components/util/geometry.rs b/src/components/util/geometry.rs
index e02bb8a6bb9..248ce1ba01e 100644
--- a/src/components/util/geometry.rs
+++ b/src/components/util/geometry.rs
@@ -300,3 +300,11 @@ pub fn to_pt(au: Au) -> f64 {
     (a as f64) / 60f64 * 72f64 / 96f64
 }
 
+/// Returns true if the rect contains the given point. Points on the top or left sides of the rect
+/// are considered inside the rectangle, while points on the right or bottom sides of the rect are
+/// not considered inside the rectangle.
+pub fn rect_contains_point<T:Ord + Add<T,T>>(rect: Rect<T>, point: Point2D<T>) -> bool {
+    point.x >= rect.origin.x && point.x < rect.origin.x + rect.size.width &&
+        point.y >= rect.origin.y && point.y < rect.origin.y + rect.size.height
+}
+