diff --git a/view.c b/view.c
index 724bc6e..3361a34 100644
--- a/view.c
+++ b/view.c
@@ -68,6 +68,18 @@ view_is_primary(struct cg_view *view)
 	return view->is_primary(view);
 }
 
+bool
+view_has_children(struct cg_server *server, struct cg_view *parent)
+{
+	struct cg_view *child;
+	wl_list_for_each(child, &server->views, link) {
+		if (parent != child && parent->is_parent(parent, child)) {
+			return true;
+		}
+	}
+	return false;
+}
+
 void
 view_position(struct cg_view *view)
 {
diff --git a/view.h b/view.h
index b38a2c7..718238d 100644
--- a/view.h
+++ b/view.h
@@ -49,6 +49,7 @@ struct cg_view {
 	struct wlr_surface *(*wlr_surface_at)(struct cg_view *view, double sx, double sy,
 					      double *sub_x, double *sub_y);
 	bool (*is_primary)(struct cg_view *view);
+	bool (*is_parent)(struct cg_view *parent, struct cg_view *child);
 };
 
 void view_activate(struct cg_view *view, bool activate);
@@ -56,6 +57,7 @@ void view_for_each_surface(struct cg_view *view, wlr_surface_iterator_func_t ite
 struct wlr_surface *view_wlr_surface_at(struct cg_view *view, double sx, double sy,
 					double *sub_x, double *sub_y);
 bool view_is_primary(struct cg_view *view);
+bool view_has_children(struct cg_server *server, struct cg_view *view);
 void view_position(struct cg_view *view);
 void view_unmap(struct cg_view *view);
 void view_map(struct cg_view *view, struct wlr_surface *surface);
diff --git a/xdg_shell.c b/xdg_shell.c
index 6b6a2f6..23be4aa 100644
--- a/xdg_shell.c
+++ b/xdg_shell.c
@@ -58,6 +58,12 @@ is_primary(struct cg_view *view)
 	return parent == NULL; /*&& role == WLR_XDG_SURFACE_ROLE_TOPLEVEL */
 }
 
+static bool
+is_parent(struct cg_view *parent, struct cg_view *child)
+{
+	return child->xdg_surface->toplevel->parent == parent->xdg_surface;
+}
+
 static void
 handle_xdg_shell_surface_unmap(struct wl_listener *listener, void *data)
 {
@@ -106,4 +112,5 @@ handle_xdg_shell_surface_new(struct wl_listener *listener, void *data)
 	view->for_each_surface = for_each_surface;
 	view->wlr_surface_at = wlr_surface_at;
 	view->is_primary = is_primary;
+	view->is_parent = is_parent;
 }
diff --git a/xwayland.c b/xwayland.c
index b025822..64eb58c 100644
--- a/xwayland.c
+++ b/xwayland.c
@@ -54,6 +54,12 @@ is_primary(struct cg_view *view)
 	return parent == NULL;
 }
 
+static bool
+is_parent(struct cg_view *parent, struct cg_view *child)
+{
+	return child->xwayland_surface->parent == parent->xwayland_surface;
+}
+
 static void
 handle_xwayland_surface_unmap(struct wl_listener *listener, void *data)
 {
@@ -98,4 +104,5 @@ handle_xwayland_surface_new(struct wl_listener *listener, void *data)
 	view->for_each_surface = for_each_surface;
 	view->wlr_surface_at = wlr_surface_at;
 	view->is_primary = is_primary;
+	view->is_parent = is_parent;
 }