(XTset_vertical_scroll_bar) [MAC_OSX]: Don't show scroll

bar if its width is smaller than that of Aqua small scroll bar.

diff --git a/src/macterm.c b/src/macterm.c
index e0978066b845428f9ade79e4d9d28652a929f8dc..3dbee62d2aac1c0fc61e05ec1542b00499733567 100644 (file)
--- a/src/macterm.c
+++ b/src/macterm.c
@@ -5217,7 +5217,11 @@ XTset_vertical_scroll_bar (w, portion, whole, position)
 #ifdef USE_TOOLKIT_SCROLL_BARS
   if (NILP (bar->track_top))
     {
-      if (sb_width >= disp_height)
+      if (sb_width >= disp_height
+#ifdef MAC_OSX
+         || sb_width < MAC_AQUA_SMALL_VERTICAL_SCROLL_BAR_WIDTH
+#endif
+         )
        {
          XSETINT (bar->track_top, 0);
          XSETINT (bar->track_height, 0);