iconlist_refresh optimization

diff --git a/src/view_file_icon.c b/src/view_file_icon.c
index b9b4505..f3deb0f 100644 (file)
--- a/src/view_file_icon.c
+++ b/src/view_file_icon.c
@@ -2084,6 +2084,7 @@ static gint vficon_refresh_real(ViewFile *vf, gint keep_position)
        GList *new_filelist = NULL;
        GList *selected;
        gint num_selected = 0;
+       GList *new_iconlist = NULL;
 
        focus_id = VFICON_INFO(vf, focus_id);
 
@@ -2157,12 +2158,21 @@ static gint vficon_refresh_real(ViewFile *vf, gint keep_position)
                        id->selected = SELECTION_NONE;
                        id->row = -1;
                        id->fd = file_data_ref(new_fd);
-                       vf->list = g_list_insert_before(vf->list, work, id);
+                       if (work)
+                               vf->list = g_list_insert_before(vf->list, work, id);
+                       else
+                               new_iconlist = g_list_prepend(new_iconlist, id); /* it is faster to append all new entries together later */
+                               
                        work_fd = work_fd->next;
                        }
 
                }
 
+       if (new_iconlist)
+               {
+               vf->list = g_list_concat(vf->list, g_list_reverse(new_iconlist));
+               }
+
        filelist_free(new_filelist);
 
        vficon_populate(vf, TRUE, keep_position);