Draw browser on background while calculating

TODO

@@ -7,7 +7,6 @@ Small list of planned features/changes, suggestions are always welcome.
 - Improve browser interface
   * Option to display number of files
   * Mutt-like status bar?
-  * Browser always on background, even on startup
 
 - Add custom key bindings
   * Using a config file (/etc/ncdurc, ~/.ncdurc)

src/calc.c

@@ -372,6 +372,7 @@ int calc_draw() {
   struct timeval tv;
 
   if(failed) {
+    browse_draw();
     calc_draw_error(curpath, errmsg);
     return 0;
   }
@@ -380,6 +381,7 @@ int calc_draw() {
   gettimeofday(&tv, (void *)NULL);
   tv.tv_usec = (1000*(tv.tv_sec % 1000) + (tv.tv_usec / 1000)) / calc_delay;
   if(lastupdate != tv.tv_usec) {
+    browse_draw();
     calc_draw_progress();
     lastupdate = tv.tv_usec;
     return 0;