[5778] cursor positioning for upward scrolling

[Gavin D. Smith]

Revision: 5778
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=5778
Author:   gavin
Date:     2014-08-25 15:18:26 +0000 (Mon, 25 Aug 2014)
Log Message:
-----------
cursor positioning for upward scrolling

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/info/window.c

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2014-08-24 19:24:57 UTC (rev 5777)
+++ trunk/ChangeLog     2014-08-25 15:18:26 UTC (rev 5778)
@@ -1,3 +1,8 @@
+2014-08-25  Gavin Smith  <address@hidden>
+
+       * info/window.c (set_window_pagetop): If point would end up past
+       bottom of displayed part of node, put it on the last displayed line.
+
 2014-08-24  Gavin Smith  <address@hidden>
 
        * info/session.c (_scroll_forward, _scroll_backward): Arguments

Modified: trunk/info/window.c
===================================================================
--- trunk/info/window.c 2014-08-24 19:24:57 UTC (rev 5777)
+++ trunk/info/window.c 2014-08-25 15:18:26 UTC (rev 5778)
@@ -758,10 +758,10 @@
 
   /* Make sure that point appears in this window. */
   point_line = window_line_of_point (window);
-  if ((point_line < window->pagetop) ||
-      ((point_line - window->pagetop) > window->height - 1))
-    window->point =
-      window->line_starts[window->pagetop];
+  if (point_line < window->pagetop)
+    window->point = window->line_starts[window->pagetop];
+  else if (point_line >= window->pagetop + window->height)
+    window->point = window->line_starts[window->pagetop + window->height - 1];
 
   window->flags |= W_UpdateWindow;