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|
# temp place for dumping all the stuff that doesn't belong in uberprompt.
use strict;
use warnings;
use Irssi;
use Irssi::TextUI; # for sbar_items_redraw
use Data::Dumper;
# TODO: maybe eval { use Term::Size } and use tthat if poss.
our $VERSION = "0.2";
our %IRSSI =
(
authors => "shabble",
contact => 'shabble+irssi@metavore.org, shabble@#irssi/Freenode',
name => "overlays",
description => "Library script for drawing overlays on irssi UI",
license => "MIT",
changed => "24/7/2010"
);
# overlay := { $num1 => line1, $num2 => line2 }
# line := [ region, region, region ]
# region := { start => x, end => y, ...? }
my $overlays;
my ($term_w, $term_h) = (0, 0);
sub DEBUG () { 1 }
sub update_terminal_size {
my @stty_data = qx/stty -a/;
my $line = $stty_data[0];
# linux
# speed 38400 baud; rows 36; columns 126; line = 0;
if ($line =~ m/rows (\d+); columns (\d+);/) {
$term_h = $1;
$term_w = $2;
# osx
# speed 9600 baud; 40 rows; 235 columns;
} elsif ($line =~ m/(\d+) rows; (\d+) columns;/) {
$term_h = $1;
$term_w = $2;
} else {
# guess?
$term_h = 24;
$term_w = 80;
}
print "Terminal detected as $term_w cols by $term_h rows" if DEBUG;
}
sub _add_overlay_region {
my ($x, $y, $text) = @_;
my $region = { start => $x,
text => $text,
};
my $o_line = $overlays->{$y};
unless (defined $o_line) {
$o_line = [];
$overlays->{$y} = $o_line;
}
# foreach my $cur_region (@$o_line) {
# if (_region_overlaps($cur_region, $region)) {
# # do something.
# print "Region overlaps";
# last;
# }
# }
push @$o_line, $region;
redraw_overlay();
}
# sub _remove_overlay_region {
# my ($line, $start, $end) = @_;
# my $o_line = $overlay->{$line};
# return unless $o_line;
# my $i = 0;
# foreach my $region (@$o_line) {
# if ($region->{start} == $start && $region->{end} == $end) {
# last;
# }
# $i++;
# }
# splice @$o_line, $i, 1, (); # remove it.
# }
sub redraw_overlay {
# TODO: we can't assume the active win is the only one with overlays.
Irssi::active_win->view->redraw();
foreach my $y (sort keys %$overlays) {
my $line = $overlays->{$y};
foreach my $region (@$line) {
Irssi::gui_printtext($region->{start}, $y, $region->{text});
}
}
}
sub augment_redraw {
#print "Redraw called" if DEBUG;
#redraw_overlay();
Irssi::timeout_add_once(10, \&redraw_overlay, 0);
}
sub ctrl_L_intercept {
my $key = shift;
if ($key == 12) { # C-L
print "C-l pressed" if DEBUG;
Irssi::command("redraw");
Irssi::signal_stop();
}
}
sub init {
die "needs uberprompt" unless script_is_loaded('uberprompt');
Irssi::signal_add_last ('command redraw', \&augment_redraw);
Irssi::signal_add_first('gui key pressed', \&ctrl_L_intercept);
Irssi::signal_add ('terminal resized', \&update_terminal_size);
Irssi::signal_add_first('gui print text finished', \&augment_redraw);
my $api_sigs = {
# input signals
'overlay create' => [qw/int int string/], # x, y, str
'overlay remove' => [qw/int int/], # x, y
'overlay clear' => [], # no args
# output signals
};
Irssi::signal_register($api_sigs);
Irssi::signal_add('overlay create', \&_add_overlay_region);
# Irssi::signal_add('overlay remove', \&_add_overlay_region);
Irssi::signal_add('overlay clear', \&_clear_overlay);
Irssi::command_bind('ocr', \&cmd_overlay_create);
Irssi::command_bind('ocl', sub { Irssi::signal_emit('overlay clear'); });
}
sub cmd_overlay_create {
my ($args) = @_;
my ($y, $x, $text) = split(/\s+/, $args, 3);
print "overlaying $text at [$x, $y]";
Irssi::signal_emit('overlay create', $x, $y, $text);
}
sub _clear_overlay {
$overlays = {};
redraw_overlay();
}
sub script_is_loaded {
my $name = shift;
print "Checking if $name is loaded" if DEBUG;
no strict 'refs';
my $retval = defined %{ "Irssi::Script::${name}::" };
use strict 'refs';
return $retval;
}
print "Moo!";
init();
__END__
# sub _draw_overlay_menu {
# my $w = 10;
# my @lines = (
# '%7+' . ('-' x $w) . '+%n',
# sprintf('%%7|%%n%*s%%7|%%n', $w, 'bacon'),
# sprintf('|%*s|', $w, 'bacon'),
# sprintf('|%*s|', $w, 'bacon'),
# sprintf('|%*s|', $w, 'bacon'),
# sprintf('|%*s|', $w, 'bacon'),
# sprintf('|%*s|', $w, 'bacon'),
# '%7+' . ('-' x $w) . '+%n',
# );
# my $i = 10; # start vert offset.
# for my $line (@lines) {
# Irssi::gui_printtext(int ($term_w / 2), $i++, $line);
# }
# }
|
