show unknown mapping error for unbind mouse events

cc #268 #570
2021-01-29 19:47:28 +03:00 · 2021-01-29 19:47:28 +03:00 · 2aa50aecaf
commit 2aa50aecaf
parent 13d19d84f9
1 changed files with 4 additions and 3 deletions
--- a/ui.go
+++ b/ui.go
@ -1051,11 +1051,12 @@ func (ui *ui) readNormalEvent(ev tcell.Event) expr {
 		}

 		expr, ok := gOpts.keys[button]
-		if ok {
-			return expr
+		if !ok {
+			ui.echoerrf("unknown mapping: %s", button)
+			return draw
 		}

-		return nil
+		return expr
 	case *tcell.EventResize:
 		return &callExpr{"redraw", nil, 1}
 	case *tcell.EventError: