Update function, i.e. reread the current files, implemented

xtt/lib/xtt/src/xtt_clog.cpp

@@ -41,6 +41,7 @@ static void clog_activate_exit( Widget w, CLog *clog, XmAnyCallbackStruct *data)
 static void clog_activate_select_file( Widget w, CLog *clog, XmAnyCallbackStruct *data);
 static void clog_activate_next_file( Widget w, CLog *clog, XmAnyCallbackStruct *data);
 static void clog_activate_prev_file( Widget w, CLog *clog, XmAnyCallbackStruct *data);
+static void clog_activate_update( Widget w, CLog *clog, XmAnyCallbackStruct *data);
 static void clog_activate_zoom_in( Widget w, CLog *clog, XmAnyCallbackStruct *data);
 static void clog_activate_zoom_out( Widget w, CLog *clog, XmAnyCallbackStruct *data);
 static void clog_activate_zoom_reset( Widget w, CLog *clog, XmAnyCallbackStruct *data);
@@ -86,6 +87,7 @@ CLog::CLog(
 	{"clog_activate_select_file",(caddr_t)clog_activate_select_file },
 	{"clog_activate_next_file",(caddr_t)clog_activate_next_file },
 	{"clog_activate_prev_file",(caddr_t)clog_activate_prev_file },
+	{"clog_activate_update",(caddr_t)clog_activate_update },
 	{"clog_activate_zoom_in",(caddr_t)clog_activate_zoom_in },
 	{"clog_activate_zoom_out",(caddr_t)clog_activate_zoom_out },
 	{"clog_activate_zoom_reset",(caddr_t)clog_activate_zoom_reset },
@@ -296,6 +298,13 @@ static void clog_activate_prev_file( Widget w, CLog *clog, XmAnyCallbackStruct *
   clog->reset_cursor();
 }
 
+static void clog_activate_update( Widget w, CLog *clog, XmAnyCallbackStruct *data)
+{
+  clog->set_clock_cursor();
+  clog->clognav->update();
+  clog->reset_cursor();
+}
+
 static void clog_activate_help( Widget w, CLog *clog, XmAnyCallbackStruct *data)
 {
   if ( clog->help_cb)

xtt/lib/xtt/src/xtt_clognav.cpp

@@ -399,6 +399,13 @@ void CLogNav::get_files()
 
 }
 
+int CLogNav::update()
+{
+  int pos[2] = {current_pos_low, current_pos_high};
+  read( pos, 2);
+  return 1;
+}
+
 int CLogNav::next_file()
 {
   if ( current_pos_low <= 1)

xtt/lib/xtt/src/xtt_clognav.h

@@ -157,6 +157,7 @@ class CLogNav {
     void get_files();
     int next_file();
     int prev_file();
+    int update();
 };
 
 class ItemMsgBase {