--- rxvt-unicode/src/perl/searchable-scrollback	2006/01/12 07:42:39	1.15
+++ rxvt-unicode/src/perl/searchable-scrollback	2012/06/06 15:06:41	1.27
@@ -2,6 +2,8 @@
 
 # this extension implements scrollback buffer search
 
+#:META:X_RESOURCE:%:string:activation hotkey keysym
+
 sub on_init {
    my ($self) = @_;
 
@@ -15,7 +17,7 @@
    ()
 }
 
-sub on_keyboard_command {
+sub on_user_command {
    my ($self, $cmd) = @_;
 
    $cmd eq "searchable-scrollback:start"
@@ -37,8 +39,9 @@
    return if $self->{overlay};
 
    $self->{view_start} = $self->view_start;
-   $self->{pty_ev_events} = $self->pty_ev_events (urxvt::EVENT_NONE);
+   $self->{pty_ev_events} = $self->pty_ev_events (urxvt::EV_NONE);
    $self->{row} = $self->nrow - 1;
+   $self->{search} = "(?i)";
 
    $self->enable (
       key_press     => \&key_press,
@@ -80,25 +83,25 @@
    my $search = $self->special_encode ($self->{search});
 
    no re 'eval'; # just to be sure
-   my $re = qr/$search/;
+   if (my $re = eval { qr/$search/ }) {
+      while ($self->nrow > $row && $row >= $self->top_row) {
+         my $line = $self->line ($row)
+            or last;
+
+         my $text = $line->t;
+         if ($text =~ /$re/g) {
+            do {
+               push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])];
+            } while $text =~ /$re/g;
+
+            $self->{row} = $row;
+            $self->view_start (List::Util::min 0, $row - ($self->nrow >> 1));
+            $self->want_refresh;
+            last;
+         }
 
-   while ($self->nrow > $row && $row > -$self->nsaved) {
-      my $line = $self->line ($row)
-         or last;
-
-      my $text = $line->t;
-      if ($text =~ /$re/g) {
-         do {
-            push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])];
-         } while $text =~ /$re/g;
-
-         $self->{row} = $row;
-         $self->view_start (-$row + ($self->nrow >> 1));
-         $self->want_refresh;
-         last;
+         $row = $dir < 0 ? $line->beg - 1 : $line->end + 1;
       }
-
-      $row = $dir < 0 ? $line->beg - 1 : $line->end + 1;
    }
 
    $self->scr_bell unless $self->{found};
@@ -107,6 +110,8 @@
 sub refresh {
    my ($self) = @_;
 
+   return unless $self->{found};
+
    my $xor = urxvt::RS_RVid | urxvt::RS_Blink;
    for (@{ $self->{found} }) {
       $self->scr_xor_span (@$_, $xor);
@@ -122,7 +127,7 @@
    delete $self->{manpage_overlay};
 
    if ($keysym == 0xff0d || $keysym == 0xff8d) { # enter
-      if ($self->{found}) {
+      if ($self->{found} && $event->{state} & urxvt::ShiftMask) {
          my ($br, $bc, $er, $ec) = @{ $self->{found}[0] };
          $self->selection_beg ($br, $bc);
          $self->selection_end ($er, $ec);
@@ -136,7 +141,7 @@
       $self->{row} = $self->nrow - 1;
       $self->view_start (0);
    } elsif ($keysym == 0xff52) { # up
-      $self->{row}-- if $self->{row} > -$self->nsaved;
+      $self->{row}-- if $self->{row} > $self->top_row;
       $self->search (-1);
    } elsif ($keysym == 0xff54) { # down
       $self->{row}++ if $self->{row} < $self->nrow;
@@ -145,7 +150,7 @@
       substr $self->{search}, -1, 1, "";
       $self->search;
       $self->idle;
-   } elsif ($string =~ /^[^\x00-\x1f\x80-\xaf]+$/) {
+   } elsif ($string !~ /[\x00-\x1f\x80-\xaf]/) {
       return; # pass to tt_write
    }
 
@@ -156,6 +161,10 @@
    my ($self, $data) = @_;
 
    $self->{search} .= $self->locale_decode ($data);
+
+   $self->{search} =~ s/^\(\?i\)//
+      if $self->{search} =~ /^\(.*[[:upper:]]/;
+
    $self->search (-1);
    $self->idle;