Install workaround for "X protocol error: BadCursor (invalid Cursor parameter) on protocol request 2"

* lwlib/xlwmenu.c (XlwMenuRealize): Ignore X errors while setting up
  cursor shape.

git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-483

1 files changed, 10 insertions, 0 deletions

diff --git a/lwlib/xlwmenu.c b/lwlib/xlwmenu.c
index 1f6cad8d3f2..8f5e7382086 100644
--- a/lwlib/xlwmenu.c
+++ b/lwlib/xlwmenu.c
@@ -1825,6 +1825,7 @@ XlwMenuRealize (w, valueMask, attributes)
   XlwMenuWidget mw = (XlwMenuWidget)w;
   XSetWindowAttributes xswa;
   int mask;
+  int count;
 
   (*xlwMenuWidgetClass->core_class.superclass->core_class.realize)
     (w, valueMask, attributes);
@@ -1832,7 +1833,16 @@ XlwMenuRealize (w, valueMask, attributes)
   xswa.save_under = True;
   xswa.cursor = mw->menu.cursor_shape;
   mask = CWSaveUnder | CWCursor;
+  /* I sometimes get random BadCursor errors while creating the first
+     frame on a display.  I can not find their reason, but they are
+     annoying so for now let's ignore any errors here.  -- lorentey  */
+#ifdef emacs
+  count = x_catch_errors (XtDisplay (w));
+#endif
   XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa);
+#ifdef emacs
+  x_uncatch_errors (XtDisplay (w), count);
+#endif
 
   mw->menu.windows [0].window = XtWindow (w);
   mw->menu.windows [0].x = w->core.x;