1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
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, $num2 => line2 }
# line := [ region, region, region ]
# region := { start => x, end => y, ...? }
my @regions;
my ($term_w, $term_h) = (0, 0);
my $key_capture = 0;
my $prompt_len = 5;
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 redraw_overlay {
# TODO: we can't assume the active win is the only one with overlays.
#Irssi::active_win->view->redraw();
foreach my $region (@regions) {
if ($region->{draw}) {
my $str = $region->{style} . $region->{text} . '%n';
my $x_offset = $region->{start} + $prompt_len;
Irssi::gui_printtext($x_offset, $term_h, $str);
}
}
# my $inp = Irssi::parse_special('$L');
# Irssi::gui_input_set($inp . '');
}
sub augment_redraw {
#print "Redraw called" if DEBUG;
#redraw_overlay();
Irssi::timeout_add_once(20, \&redraw_overlay, 0);
}
sub intercept_keypress {
my $key = shift;
# intercept C-l for redraw, and force it to call
# /redraw instead of the internal function.
if ($key == 12) { # C-L
print "C-l pressed" if DEBUG;
Irssi::command("redraw");
Irssi::signal_stop;
}
}
sub new_region {
my $key = shift;
print "Creating new Region";
my $new_region
= {
text => '',
start => _pos() -1,
style => '%_',
open => 1,
draw => 1,
};
insert_into_region($key, $new_region);
push @regions, $new_region;
}
sub insert_into_region {
my ($key, $region) = @_;
# if ($key == 127) { # backspace
# substr($region->{text}, -1, 1) = '';
# } else {
# $region->{text} .= chr $key;
# }
my $input = Irssi::parse_special('$L');
my $len = _pos() - $region->{start};
# print "Input: $input, len: $len" if DEBUG;
my $str = substr($input, $region->{start} , $len);
# print "Str: $str" if DEBUG;
$region->{text} = $str;
# printf("region [%d-%d] now contains '%s'",
# $region->{start}, _pos(),
# $region->{text}) if DEBUG;
}
sub observe_keypress {
my $key = shift;
if ($key_capture && $key > 31 && $key <= 127) {
# see if we're still appending to the last region:
#print "Observed printable key: " . chr($key) if DEBUG;
#print '';
my $latest_region = $regions[-1];
$latest_region = {} unless defined $latest_region;
if (not $latest_region->{open}) {
new_region($key);
} else {
insert_into_region($key, $latest_region);
}
#Irssi::signal_stop;
# TODO: if the cursor pos is inside a region, handle it
# extend the region on addition?
redraw_overlay();
}
}
sub init {
die "This script requires uberprompt.pl"
unless script_is_loaded('uberprompt');
Irssi::signal_add_last ('command redraw', \&augment_redraw);
Irssi::signal_add_first('gui key pressed', \&intercept_keypress);
Irssi::signal_add_last ('gui key pressed', \&observe_keypress);
Irssi::signal_add ('terminal resized', \&update_terminal_size);
Irssi::signal_add_first('gui print text finished', \&augment_redraw);
Irssi::command_bind('region_start', \®ion_toggle);
Irssi::command('/bind ^C /region_start');
Irssi::signal_add('prompt changed', sub {
print "Updated prompt length: $_[1]";
$prompt_len = $_[1];
});
Irssi::signal_emit('prompt length request');
update_terminal_size();
}
sub region_toggle {
$key_capture = not $key_capture;
printf("Region is %sactive", $key_capture?'':'in');
#@regions = ();
# terminate the previous region
my $latest_region = $regions[-1];
if (defined $latest_region) {
$latest_region->{open} = 0;
}
}
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;
}
sub _pos {
return Irssi::gui_input_get_pos();
}
init();
|
