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|
#! perl
# Author: Chip Camden <sterling@camdensoftware.com>
my $url =
qr{
(?:https?://|ftp://|news://|mailto:|file://|\bwww\.)
[a-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27,~#]*
(
\([a-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27,~#]*\)| # Allow a pair of matched parentheses
[a-zA-Z0-9\-\@;\/?:&=%\$_+*~] # exclude some trailing characters (heuristic)
)+
}x;
sub on_user_command {
my ($self, $cmd) = @_;
if($cmd =~ s/^url-picker\b//) {
my $labels = {};
my $hrefs = {};
my $row = -1;
my $num = 0;
while ($row++ < $self->nrow) {
my $text = $self->line($row)->t;
while ($text =~ /$url/g)
{
my $col = $-[0];
my $href = $&;
$num++;
my $overlay = $self->overlay($col, $row, $self->strwidth($num), 1, urxvt::OVERLAY_RSTYLE, 0);
$overlay->set(0,0,$num);
$labels->{$num} = $overlay;
$hrefs->{$num} = $href;
}
}
if ($num < 1) {
my $ermsg = $self->overlay(0,-1,35,1,urxvt::OVERLAY_RSTYLE,0);
$ermsg->set(0,0,"url-picker: no URLs found on screen");
$self->{ermsg} = $ermsg;
$self->{timer} = urxvt::timer
->new
->after (5)
->cb (sub {
$self->{ermsg} = ();
$self->{timer} = ();
});
}
else {
my $url_picker = {};
$url_picker->{prompt} = $self->overlay(0,-1,8,1,urxvt::OVERLAY_RSTYLE, 0);
$url_picker->{prompt}->set(0,0,"Follow:");
$url_picker->{labels} = $labels;
$url_picker->{hrefs} = $hrefs;
$url_picker->{num} = $num;
$url_picker->{buffer} = '';
my ($crow,$ccol) = $self->screen_cur;
$url_picker->{crow} = $crow;
$url_picker->{ccol} = $ccol;
$self->{url_picker} = $url_picker;
$self->update($url_picker);
}
}
()
}
sub on_key_press {
my ($self, $event, $keysym) = @_;
my $p = $self->{url_picker};
if ($p) {
if ($keysym == 0xff1b) { # escape
$self->screen_cur($p->{crow},$p->{ccol});
$self->{url_picker} = ();
} elsif ($keysym == 0xff08) { # backspace
if (length($p->{buffer}) > 0) {
$p->{buffer} = substr($p->{buffer},0,-1);
$self->update($p);
}
} elsif (($keysym >= 48) && ($keysym <= 57)) {
$p->{buffer} = $p->{buffer} . ($keysym - 48);
$self->update($p);
} elsif ($keysym == 0xff0d) { # CR
my $num = $p->{buffer};
my $hrefs = $p->{hrefs};
if (($num > 0) && ($num <= $p->{num})) {
my $href = $hrefs->{$num};
$self->launch($href);
}
}
return 1;
}
()
}
sub update {
my ($self, $p) = @_;
$p->{typing} = $self->overlay(8,-1,length($p->{buffer}),1,urxvt::DEFAULT_RSTYLE,0);
$p->{typing}->set(0,0,$p->{buffer});
my $ndx = 0;
my $labels = $p->{labels};
my $hrefs = $p->{hrefs};
my $len = length($p->{buffer});
my $size = $p->{num};
my @matches;
while (++$ndx <= $size) {
my $overlay = $labels->{$ndx};
if (($len == 0) || (($len <= length($ndx)) && (substr($ndx,0,$len) eq $p->{buffer}))) {
$overlay->show;
unshift @matches,$hrefs->{$ndx};
} else {
$overlay->hide;
}
}
if (scalar(@matches) == 1) {
$self->launch(@matches[0]);
} else {
$self->screen_cur($self->nrow,8+$len);
}
}
sub launch {
my ($self, $href) = @_;
my $launcher = $self->{launcher};
$self->exec_async ($launcher,$href);
my $p = $self->{url_picker};
$self->screen_cur($p->{crow},$p->{ccol});
$self->{url_picker} = ();
}
sub on_key_release {
my ($self, $event, $keysym) = @_;
$self->{url_picker};
}
sub my_resource {
my ($self) = @_;
$self->x_resource ("$self->{name}.$_[0]");
}
sub on_start {
my ($self) = @_;
($self->{name} = __PACKAGE__) =~ s/.*:://;
$self->{name} =~ tr/_/-/;
$self->{launcher} = $self->my_resource("launcher") ||
$self->x_resource("urlLauncher") ||
"sensible-browser";
$self->{url_picker} = ();
}
# vim:set sw=3 sts=3 et:
|
