avoid redraw when there's no change

[dmenu.git] / dmenu.c

diff --git a/dmenu.c b/dmenu.c
index 085dc29..19f6385 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -415,8 +415,9 @@ keypress(XKeyEvent *ev)
        switch(ksym) {
        default:
 insert:
-               if (!iscntrl(*buf))
-                       insert(buf, len);
+               if (iscntrl((unsigned char)*buf))
+                       return;
+               insert(buf, len);
                break;
        case XK_Delete:
        case XK_KP_Delete: