Re: [help-texinfo] info remembering cursor position

[Sergey Poznyakoff]

Hi,

Karl Berry <address@hidden> ha escrit:

> Nevertheless, I can see how it would be nicer if it remembered the line
> if you ended up back at the "l" node regardless of what command was used
> to get there.  I've wished for that myself sometimes.

Of course it is possible.  Attached is the patch that implements it.
Please give it a try.  Perhaps we should better make this feature
dependent on some setting in ~/.infokey? 

Regards,
Sergey

Index: info/session.c
===================================================================
--- info/session.c      (revision 5245)
+++ info/session.c      (working copy)
@@ -2113,6 +2113,22 @@ info_parse_and_select (char *line, WINDO
   info_select_reference (window, &entry);
 }

+static int
+info_win_find_node (INFO_WINDOW *win, NODE *node)
+{
+  int i;
+
+  for (i = win->nodes_index - 1; i >= 0; i--)
+    {
+      NODE *p = win->nodes[i];
+
+      if (strcmp (p->filename, node->filename) == 0 &&
+         strcmp (p->nodename, node->nodename) == 0)
+       break;
+    }
+  return i;
+}
+
 /* Given that the values of INFO_PARSED_FILENAME and INFO_PARSED_NODENAME
    are previously filled, try to get the node represented by them into
    WINDOW.  The node should have been pointed to by the LABEL pointer of
@@ -2151,7 +2167,13 @@ info_handle_pointer (char *label, WINDOW
           info_win = get_info_window_of_window (window);
           if (info_win)
             {
-              info_win->pagetops[info_win->current] = window->pagetop;
+             if (strcmp (label, "Up") == 0)
+               {
+                 int i = info_win_find_node (info_win, node);
+                 if (i >= 0)
+                   node->display_pos = info_win->points[i];
+               }
+             info_win->pagetops[info_win->current] = window->pagetop;
               info_win->points[info_win->current] = window->point;
             }
           info_set_node_of_window (1, window, node);