| 102 |
|
} |
| 103 |
|
|
| 104 |
|
proc helpopen fname { # open the named help file |
| 105 |
< |
global curhelp helplib |
| 105 |
> |
global curhelp helpindex helplib |
| 106 |
|
if {"$fname" == "$curhelp(file)"} {return} |
| 107 |
|
if {"$curhelp(file)" != {}} { |
| 108 |
|
close $curhelp(fid) |
| 109 |
< |
unset curhelp |
| 109 |
> |
unset curhelp helpindex |
| 110 |
|
} |
| 111 |
|
if {[set curhelp(file) $fname] == {}} {return} |
| 112 |
|
# Complete file name as required |
| 128 |
|
.helpwin.txt insert end "Loading $fname..." |
| 129 |
|
update |
| 130 |
|
set curhelp(fid) [open $fname r] |
| 131 |
< |
set curhelp(index) {} |
| 132 |
< |
set catlist {} |
| 131 |
> |
set curhelp(catlist) {} |
| 132 |
|
while {[gets $curhelp(fid) li] >= 0} { |
| 133 |
|
if [regexp -nocase {^\.([A-Z][A-Z0-9]*)\.([A-Z][A-Z0-9]*)$} \ |
| 134 |
|
$li dummy cat top] { |
| 135 |
< |
lappend curhelp(index) "$cat $top [tell $curhelp(fid)]" |
| 136 |
< |
if {[lsearch -exact $catlist $cat] < 0} { |
| 137 |
< |
lappend catlist $cat |
| 135 |
> |
lappend helpindex([string toupper $cat]) $top |
| 136 |
> |
set helpindex([string toupper $cat,$top]) \ |
| 137 |
> |
[tell $curhelp(fid)] |
| 138 |
> |
if {[lsearch -exact $curhelp(catlist) $cat] < 0} { |
| 139 |
> |
lappend curhelp(catlist) $cat |
| 140 |
|
} |
| 141 |
|
} |
| 142 |
|
} |
| 143 |
|
.helpwin.but.catb.m delete 0 last |
| 144 |
< |
foreach cat $catlist { |
| 144 |
> |
foreach cat $curhelp(catlist) { |
| 145 |
|
.helpwin.but.catb.m add command -label $cat \ |
| 146 |
|
-command "helphist new $cat intro" |
| 147 |
|
} |
| 153 |
|
} |
| 154 |
|
|
| 155 |
|
proc helpgoto {cat top} { # find selected category and topic |
| 156 |
< |
global curhelp |
| 156 |
> |
global curhelp helpindex |
| 157 |
|
# Capitalize "just in case" |
| 158 |
|
set cat [string toupper $cat] |
| 159 |
|
set top [string toupper $top] |
| 161 |
|
set curhelp(topic) $top |
| 162 |
|
if {"$cat" != "$curhelp(category)"} { |
| 163 |
|
set curhelp(category) $cat |
| 163 |
– |
set toplist {} |
| 164 |
– |
set n [llength $curhelp(index)] |
| 165 |
– |
for {set i 0} {$i < $n} {incr i} { |
| 166 |
– |
if {"[string toupper [lindex [lindex \ |
| 167 |
– |
$curhelp(index) $i] 0]]" == "$cat"} { |
| 168 |
– |
lappend toplist [lindex [lindex \ |
| 169 |
– |
$curhelp(index) $i] 1] |
| 170 |
– |
} |
| 171 |
– |
} |
| 164 |
|
.helpwin.but.topb.m delete 0 last |
| 165 |
< |
foreach top $toplist { |
| 165 |
> |
foreach top $helpindex($cat) { |
| 166 |
|
.helpwin.but.topb.m add command -label $top \ |
| 167 |
|
-command "helphist new \$curhelp(category) $top" |
| 168 |
|
} |
| 171 |
|
} |
| 172 |
|
|
| 173 |
|
proc helpupdate {} { # update help text window |
| 174 |
< |
global curhelp helpfontwidth |
| 174 |
> |
global curhelp helpindex helpfontwidth |
| 175 |
|
# Print category and topic |
| 176 |
|
set linelen [expr "[winfo width .helpwin.txt] / $helpfontwidth - 1"] |
| 177 |
|
.helpwin.txt configure -state normal |
| 186 |
|
# Search for it in file |
| 187 |
|
if {"$curhelp(category) $curhelp(topic)" != |
| 188 |
|
"[string toupper $curhelp(next)]"} { |
| 189 |
< |
for {set i [llength $curhelp(index)]} {[incr i -1] >= 0} {} { |
| 190 |
< |
if {"$curhelp(category) $curhelp(topic)" == |
| 191 |
< |
[lrange [string toupper [lindex \ |
| 200 |
< |
$curhelp(index) $i]] 0 1]} { |
| 201 |
< |
break |
| 202 |
< |
} |
| 203 |
< |
} |
| 204 |
< |
if {$i < 0} { |
| 189 |
> |
if [info exists helpindex($curhelp(category),$curhelp(topic))] { |
| 190 |
> |
seek $curhelp(fid) $helpindex($curhelp(category),$curhelp(topic)) |
| 191 |
> |
} else { |
| 192 |
|
.helpwin.txt insert end "\nNo such help topic." |
| 193 |
|
.helpwin.txt configure -state disabled |
| 194 |
|
return ".$curhelp(category).$curhelp(topic) not found\ |
| 195 |
|
in $curhelp(file)" |
| 196 |
|
} |
| 210 |
– |
seek $curhelp(fid) [lindex [lindex $curhelp(index) $i] 2] |
| 197 |
|
} |
| 198 |
|
# Load help text into our window |
| 199 |
|
set linepos 0 |
| 291 |
|
} |
| 292 |
|
|
| 293 |
|
proc helpsearch word { # search for occurances of the given word |
| 294 |
< |
global curhelp |
| 294 |
> |
global curhelp helpindex |
| 295 |
|
if {"$curhelp(search)" == {}} { |
| 296 |
|
set curhelp(msg) "No pattern." |
| 297 |
|
return 0 |
| 298 |
|
} |
| 299 |
|
set nmatches 0 |
| 300 |
< |
set cat [lindex [lindex $curhelp(index) 0] 0] |
| 301 |
< |
set top [lindex [lindex $curhelp(index) 0] 1] |
| 300 |
> |
set cat [lindex $curhelp(catlist) 0] |
| 301 |
> |
set top [lindex $helpindex([string toupper $cat]) 0] |
| 302 |
|
set startpos [tell $curhelp(fid)] |
| 303 |
< |
seek $curhelp(fid) [lindex [lindex $curhelp(index) 0] 2] |
| 303 |
> |
seek $curhelp(fid) $helpindex([string toupper $cat,$top]) |
| 304 |
|
set foundmatch 0 |
| 305 |
|
while {[gets $curhelp(fid) li] >= 0} { |
| 306 |
|
if [regexp -nocase {^\.([A-Z][A-Z0-9]*)\.([A-Z][A-Z0-9]*)$} \ |
