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|
use strict;
use warnings;
use Irssi;
use Irssi::TextUI; # for sbar_items_redraw
use Data::Dumper;
our $VERSION = "0.1";
our %IRSSI =
(
authors => "shabble",
contact => 'shabble+irssi@metavore.org, shabble@#irssi/Freenode',
name => "prompt_info",
description => "Helper script for dynamically adding text "
. "into the input-bar prompt.",
license => "Public Domain",
changed => "24/7/2010"
);
sub DEBUG () { 1 }
#sub DEBUG () { 0 }
my $prompt_data = undef;
my $prompt_item = undef;
my $prompt_format = '';
init();
sub prompt_subcmd_handler {
my ($data, $server, $item) = @_;
$data =~ s/\s+$//g; # strip trailing whitespace.
Irssi::command_runsub('prompt', $data, $server, $item);
}
sub init {
Irssi::statusbar_item_register('uberprompt', 0, 'uberprompt_draw');
Irssi::settings_add_str('uberprompt', 'uberprompt_format', '[$*] ');
Irssi::command_bind("prompt", \&prompt_subcmd_handler);
Irssi::command_bind('prompt on', \&replace_prompt_items);
Irssi::command_bind('prompt off', \&restore_prompt_items);
Irssi::command_bind('prompt set',
sub { Irssi::signal_emit 'change prompt', shift; });
Irssi::command_bind('prompt clear',
sub { Irssi::signal_emit 'change prompt', '$p'; });
Irssi::signal_add('setup changed', \&reload_settings);
# intialise the prompt format.
reload_settings();
# install our statusbars.
replace_prompt_items();
# the actual API signal.
Irssi::signal_register({'change prompt' => [qw/string/]});
Irssi::signal_add('change prompt' => \&change_prompt_sig);
# other scripts (specifically overlay/visual) can subscribe to
# this event to be notified when the prompt changes.
# arguments are new contents (string), new length (int)
Irssi::signal_register({'prompt changed' => [qw/string int/]});
}
sub change_prompt_sig {
my ($text) = @_;
# TODO: mroe intelligence about where to insert $p?
$text = '$p' . $text;
print "Got prompt change sig with: $text" if DEBUG;
my $changed;
$changed = defined $prompt_data ? $prompt_data ne $text : 1;
$prompt_data = $text;
if ($changed) {
print "Redrawing prompt" if DEBUG;
uberprompt_refresh();
}
}
sub UNLOAD {
# remove uberprompt and return the original ones.
print "Removing uberprompt and restoring original";
restore_prompt_items();
}
sub reload_settings {
my $new = Irssi::settings_get_str('uberprompt_format');
if ($prompt_format ne $new) {
print "Updated prompt format" if DEBUG;
$prompt_format = $new;
Irssi::abstracts_register(['uberprompt', $prompt_format]);
}
}
sub uberprompt_draw {
my ($sb_item, $get_size_only) = @_;
my $default_prompt = '';
my $window = Irssi::active_win;
# hack to produce the same defaults as prompt/prompt_empty sbars.
print Dumper($sb_item);
if (scalar( () = $window->items )) {
$default_prompt = '{uberprompt $[.15]itemname}';
} else {
$default_prompt = '{uberprompt $winname}';
}
my $p_copy = $prompt_data;
if (defined $prompt_data) {
# replace the special marker '$p' with the original prompt.
$p_copy =~ s/\$/\$\$/g; # escape all $ symbols
$p_copy =~ s/\\/\\\\/g; # escape backslashes.
$p_copy =~ s/\$\$p/$default_prompt/;
} else {
$p_copy = $default_prompt;
}
print "Redrawing with: $p_copy, size-only: $get_size_only" if DEBUG;
$prompt_item = $sb_item;
my $ret = $sb_item->default_handler($get_size_only, $p_copy, '', 0);
#Irssi::signal_emit('prompt changed',
return $ret;
}
sub uberprompt_refresh {
Irssi::statusbar_items_redraw('uberprompt');
}
sub cmd_clear_visual {
_clear_visual_region();
#refresh_visual_overlay();
Irssi::statusbar_items_redraw('input');
}
sub replace_prompt_items {
# remove existing ones.
print "Removing original prompt" if DEBUG;
_sbar_command('prompt', 'remove', 'prompt');
_sbar_command('prompt', 'remove', 'prompt_empty');
# add the new one.
_sbar_command('prompt', 'add', 'uberprompt',
qw/-alignment left -before input -priority '-1'/);
_sbar_command('prompt', 'position', '100');
}
sub restore_prompt_items {
_sbar_command('prompt', 'remove', 'uberprompt');
print "Restoring original prompt" if DEBUG;
_sbar_command('prompt', 'add', 'prompt',
qw/-alignment left -before input -priority '-1'/);
_sbar_command('prompt', 'add', 'prompt_empty',
qw/-alignment left -after prompt -priority '-1'/);
_sbar_command('prompt', 'position', '100');
}
sub _sbar_command {
my ($bar, $cmd, $item, @args) = @_;
my $args_str = join ' ', @args;
$args_str .= ' ' if length $args_str && defined $item;
my $command = sprintf 'STATUSBAR %s %s %s%s',
$bar, $cmd, $args_str, defined($item)?$item:'';
print "Running command: $command" if DEBUG;
Irssi::command($command);
}
# bit of fakery so things don't complain about the lack of prompt_info (hoepfully)
%Irssi::Script::prompt_info:: = ();
|
