speed up search in tlmgr gui

git-svn-id: svn://tug.org/texlive/trunk@37952 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 6 insertions, 2 deletions

diff --git a/Master/texmf-dist/scripts/texlive/tlmgrgui.pl b/Master/texmf-dist/scripts/texlive/tlmgrgui.pl
index f8dc439382b..3b28c061b9d 100755
--- a/Master/texmf-dist/scripts/texlive/tlmgrgui.pl
+++ b/Master/texmf-dist/scripts/texlive/tlmgrgui.pl
@@ -350,8 +350,12 @@ sub do_rest_of_gui {
     #       $match_filenames = 1;
     #     }
     #   }
-      $match_text = $new_val;
-      update_grid(); return 1; });
+      my $new_match_text = ( length($new_val) >= 3 ? $new_val : "" );
+      if ($new_match_text ne $match_text) {
+        $match_text = $new_match_text;
+        update_grid(); 
+      }
+      return 1; });
 
   my $filter_selection = $filter_frame->Labelframe(-text => __("Selection"));
   if ($mode_expert) { $filter_selection->pack(@left, @x_y, @p_ii); }