--- rxvt-unicode/src/perl/digital-clock	2006/01/03 01:29:55	1.4
+++ rxvt-unicode/src/perl/digital-clock	2012/06/10 17:39:54	1.11
@@ -1,47 +1,27 @@
 #! perl
 
-# this creates a simple digital clock by overwriting the refresh hooks
+=head1 NAME
 
-sub on_init {
-   my ($self) = @_;
-
-   # force a refresh every second
-   $self->{digital_clock_refresh} = urxvt::timer
-                    ->new
-                    ->start (urxvt::NOW)
-                    ->cb (sub {
-                       $self->{digital_clock_refresh}->start ($self->{digital_clock_refresh}->at + 1);
-                       $self->want_refresh;
-                    });
+   digital-clock - display a digital clock overlay
 
-   ()
-}
-
-# before refreshing: replace upper right with the clock display
-sub on_refresh_begin {
-   my ($self) = @_;
+=head1 DESCRIPTION
 
-   my $time = sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2, 1, 0];
-   my $xpos = $self->ncol - length $time;
+Displays a digital clock using the built-in overlay.
 
-   $xpos >= 0
-      or return;
+=cut
 
-   $self->{digital_clock_rend} = $self->ROW_r (0, [(urxvt::DEFAULT_RSTYLE) x length $time], $xpos);
-   $self->{digital_clock_text} = $self->ROW_t (0, $time, $xpos);
-
-   ()
-}
-
-# after refreshing: restore previous screen contents
-sub on_refresh_end {
+sub on_start {
    my ($self) = @_;
 
-   exists $self->{digital_clock_text}
-      or return;
-
-   $self->ROW_r (0, delete $self->{digital_clock_rend});
-   $self->ROW_t (0, delete $self->{digital_clock_text});
+   $self->{overlay} = $self->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0);
+   $self->{timer} = urxvt::timer
+                    ->new
+                    ->start (1 + int urxvt::NOW) # make sure we update "on" the second
+                    ->interval (1)
+                    ->cb (sub {
+                       $self->{overlay}->set (0, 0,
+                          sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]);
+                    });
 
    ()
 }