[vte/vte-0-40] widget: Fix the adjustment's upper boundary

[Egmont Koblinger <egmontkob src gnome org>]

commit df3281f9386a4555c658dbf4f9ed07e1e01d6dc5
Author: Egmont Koblinger <egmont gmail com>
Date:   Mon Nov 2 21:16:14 2015 +0100

    widget: Fix the adjustment's upper boundary
    
    This is necessary for the contents to look properly when placed inside a
    GtkScrolledWindow.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757448
    (cherry picked from commit 624f9f90d70ff9cb86b3424d75d7ca4a2e7774c6)

 src/vte.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/src/vte.c b/src/vte.c
index ad10a2e..01efd9d 100644
--- a/src/vte.c
+++ b/src/vte.c
@@ -1748,10 +1748,7 @@ vte_terminal_emit_adjustment_changed(VteTerminal *terminal)
                        changed = TRUE;
                }
 
-               /* The upper value is the number of rows which might be visible.  (Add
-                * one to the cursor offset because it's zero-based.) */
-               v = MAX(_vte_ring_next(screen->row_data),
-                        terminal->pvt->cursor.row + 1);
+               v = terminal->pvt->screen->insert_delta + terminal->pvt->row_count;
                current = gtk_adjustment_get_upper(terminal->pvt->vadjustment);
                if (current != v) {
                        _vte_debug_print(VTE_DEBUG_ADJ,