1 files changed, 73 insertions, 0 deletions
diff --git a/src/perl/overlay-osc b/src/perl/overlay-osc
new file mode 100644
index 0000000..5b06e9a
--- /dev/null
+++ b/src/perl/overlay-osc
@@ -0,0 +1,73 @@
+#! perl
+
+=head1 NAME
+
+overlay-osc - implement OSC to manage overlays
+
+=head1 DESCRIPTION
+
+This extension implements some OSC commands to display timed popups on the
+screen - useful for status displays from within scripts. You have to read
+the sources for more info.
+
+=cut
+
+# allows programs to open popups
+# printf "\033]777;overlay;action;args\007"
+#
+# action "simple;<id>;<timeout>;<x>;<y>;<h|t>;<text>"
+#   printf "\033]777;overlay;simple;ov1;5;0;0;t;test\007"
+#
+
+# action "timeout;<id>;<seconds>"
+#   printf "\033]777;overlay;timeout;ov1;6\007"
+
+# action "destroy;<id>"
+#   printf "\033]777;overlay;destroy;ov1\007"
+
+# TODO:
+## action "complex;<id>;<timeout>;<x>;<y>;<width>;<height>;<rstyle>;<border>"
+## action "set;<id>;<x>;<y>;<h|t>;<hextext>;<rendition...>"
+
+sub on_osc_seq_perl {
+   my ($self, $osc, $resp) = @_;
+
+   return unless $osc =~ s/^overlay;//;
+
+   $osc =~ s/^([^;]+)+;//
+      or return;
+
+   if ($1 eq "timeout") {
+      my ($id, $to) = split /;/, $osc, 2;
+      my $ov = $self->{ov}{$id}
+         or return;
+      if (length $to) {
+         $ov->{to}->start (urxvt::NOW + $to);
+      } else {
+         delete $ov->{to};
+      }
+
+   } elsif ($1 eq "simple") {
+      my ($id, $to, $x, $y, $t, $txt) = split /;/, $osc, 6;
+      if ($t eq "h") {
+         $txt = pack "H*", $txt;
+         utf8::decode $txt;
+      }
+      $self->{ov}{$id} = {
+         ov => $self->overlay_simple ($x, $y, $txt),
+         to => urxvt::timer
+            ->new
+            ->start (urxvt::NOW + $to)
+            ->cb(sub {
+               delete $self->{ov}{$id};
+            }),
+      };
+
+   } elsif ($1 eq "destroy") {
+      delete $self->{ov}{$osc};
+   }
+
+   1
+}
+
+