fix compare

[lttv.git] / ltt / branches / poly / lttv / modules / gui / lttvwindow / lttvwindow / callbacks.c

diff --git a/ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/callbacks.c b/ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/callbacks.c
index 4f2a9639e40fcd0fa4b201c835917764d27c1ff5..d6763a226b473f131aae00a911b196b63e30bfe3 100644 (file)
--- a/ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/callbacks.c
+++ b/ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/callbacks.c
@@ -2171,7 +2171,8 @@ void zoom(GtkWidget * widget, double size)
       new_time_window.end_time = ltt_time_add(new_time_window.start_time,
                                             new_time_window.time_width) ;
       /* If on borders, don't fall off */
-      if(ltt_time_compare(new_time_window.start_time, time_span.start_time) <0)
+      if(ltt_time_compare(new_time_window.start_time, time_span.start_time) <0
+       || ltt_time_compare(new_time_window.start_time, time_span.end_time) >0)
       {
         new_time_window.start_time = time_span.start_time;
         new_time_window.end_time = ltt_time_add(new_time_window.start_time,
@@ -2180,7 +2181,9 @@ void zoom(GtkWidget * widget, double size)
       else 
       {
         if(ltt_time_compare(new_time_window.end_time,
-                            time_span.end_time) > 0)
+                            time_span.end_time) > 0
+         || ltt_time_compare(new_time_window.end_time,
+                            time_span.start_time) < 0)
         {
           new_time_window.start_time = 
                   ltt_time_sub(time_span.end_time, new_time_window.time_width);