/usr/share/tcltk/tcllib1.16/term/imenu.tcl is in tcllib 1.16-dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | # -*- tcl -*-
# ### ### ### ######### ######### #########
## Terminal packages - string -> action mappings
## (menu objects). For use with 'receive listen'.
## In essence a DFA with tree structure.
# ### ### ### ######### ######### #########
## Requirements
package require snit
package require textutil::repeat
package require textutil::tabify
package require term::ansi::send
package require term::receive::bind
package require term::ansi::code::ctrl
namespace eval ::term::receive::menu {}
# ### ### ### ######### ######### #########
snit::type ::term::interact::menu {
option -in -default stdin
option -out -default stdout
option -column -default 0
option -line -default 0
option -height -default 25
option -actions -default {}
option -hilitleft -default 0
option -hilitright -default end
option -framed -default 0 -readonly 1
# ### ### ### ######### ######### #########
##
constructor {dict args} {
$self configurelist $args
Save $dict
install bind using ::term::receive::bind \
${selfns}::bind $options(-actions)
$bind map [cd::cu] [mymethod Up]
$bind map [cd::cd] [mymethod Down]
$bind map \n [mymethod Select]
#$bind default [mymethod DEF]
return
}
# ### ### ### ######### ######### #########
##
method interact {} {
Show
$bind listen $options(-in)
vwait [myvar done]
$bind unlisten $options(-in)
return $map($done)
}
method done {} {set done $at ; return}
method clear {} {Clear ; return}
# ### ### ### ######### ######### #########
##
component bind
# ### ### ### ######### ######### #########
##
variable map -array {}
variable header
variable labels
variable footer
variable empty
proc Save {dict} {
upvar 1 header header labels labels footer footer
upvar 1 empty empty at at map map top top
upvar 1 options(-height) height
set max 0
foreach {l code} $dict {
if {[set len [string length $l]] > $max} {set max $len}
}
set header [cd::groptim [cd::tlc][textutil::repeat::strRepeat [cd::hl] $max][cd::trc]]
set footer [cd::groptim [cd::blc][textutil::repeat::strRepeat [cd::hl] $max][cd::brc]]
set labels {}
set at 0
foreach {l code} $dict {
set map($at) $code
lappend labels ${l}[textutil::repeat::strRepeat " " [expr {$max-[string length $l]}]]
incr at
}
set h $height
if {$h > [llength $labels]} {set h [llength $labels]}
set eline " [textutil::repeat::strRepeat { } $max]"
set empty $eline
for {set i 0} {$i <= $h} {incr i} {
append empty \n$eline
}
set at 0
set top 0
return
}
variable top 0
variable at 0
variable done .
proc Show {} {
upvar 1 header header labels labels footer footer at at
upvar 1 options(-in) in options(-column) col top top
upvar 1 options(-out) out options(-line) row
upvar 1 options(-height) height options(-framed) framed
upvar 1 options(-hilitleft) left
upvar 1 options(-hilitright) right
set bot [expr {$top + $height - 1}]
set fr [expr {$framed ? [cd::vl] : { }}]
set text $header\n
set i $top
foreach l [lrange $labels $top $bot] {
append text $fr
if {$i != $at} {
append text $l
} else {
append text [string replace $l $left $right \
[cd::sda_revers][string range $l $left $right][cd::sda_reset]]
}
append text $fr \n
incr i
}
append text $footer
vt::wrch $out [cd::showat $row $col $text]
return
}
proc Clear {} {
upvar 1 empty empty options(-column) col
upvar 1 options(-out) out options(-line) row
vt::wrch $out [cd::showat $row $col $empty]
return
}
# ### ### ### ######### ######### #########
##
method Up {str} {
if {$at == 0} return
incr at -1
if {$at < $top} {incr top -1}
Show
return
}
method Down {str} {
upvar 0 options(-height) height
if {$at == ([llength $labels]-1)} return
incr at
set bot [expr {$top + $height - 1}]
if {$at > $bot} {incr top}
Show
return
}
method Select {str} {
$self done
return
}
method DEF {str} {
puts stderr "($str)"
exit
}
##
# ### ### ### ######### ######### #########
}
# ### ### ### ######### ######### #########
## Ready
namespace eval ::term::interact::menu {
term::ansi::code::ctrl::import cd
term::ansi::send::import vt
}
package provide term::interact::menu 0.1
##
# ### ### ### ######### ######### #########
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