cwm(1) drags the pointer keeping it inside the window when it's resized.
This does not happen when xterm is resized using its internal font
resizing mechanism (~/.Xdefaults):

  *VT100*translations: #override \n\
        Ctrl <Key> minus:smaller-vt-font() \n\
        Ctrl <Key> plus:larger-vt-font() \n\


Index: xevents.c
===================================================================
RCS file: /cvs/xenocara/app/cwm/xevents.c,v
diff -u -p -u -p -r1.151 xevents.c
--- xevents.c	5 Jan 2026 14:46:59 -0000	1.151
+++ xevents.c	26 Jun 2026 11:37:34 -0000
@@ -168,6 +168,9 @@ xev_handle_configurerequest(XEvent *ee)
 
 		XConfigureWindow(X_Dpy, cc->win, e->value_mask, &wc);
 		client_config(cc);
+
+                if (cc == client_current(sc))
+                        client_ptr_inbound(cc, 1);
 	} else {
 		/* let it do what it wants, it'll be ours when we map it. */
 		wc.x = e->x;


-- 
Walter