| 24 |
|
proc gethelp {helpfile category topic} { # Open help window |
| 25 |
|
global curhelp helpfontwidth |
| 26 |
|
if {! [winfo exists .helpwin]} { # Set up window |
| 27 |
< |
toplevel .helpwin |
| 27 |
> |
toplevel .helpwin -cursor top_left_arrow |
| 28 |
|
wm minsize .helpwin 500 400 |
| 29 |
|
wm iconbitmap .helpwin question |
| 30 |
|
frame .helpwin.but -geometry 150x400 |
| 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 |
| 122 |
|
wm title .helpwin $fname |
| 123 |
|
set curhelp(title) "[string toupper\ |
| 124 |
|
[file rootname [file tail $fname]]] HELP" |
| 125 |
+ |
set ifile [file rootname $fname].ndx |
| 126 |
|
wm iconname .helpwin [string tolower $curhelp(title)] |
| 127 |
|
.helpwin.txt configure -state normal |
| 128 |
|
.helpwin.txt delete 1.0 end |
| 129 |
|
.helpwin.txt insert end "Loading $fname..." |
| 130 |
|
update |
| 131 |
|
set curhelp(fid) [open $fname r] |
| 132 |
< |
set curhelp(index) {} |
| 133 |
< |
set catlist {} |
| 134 |
< |
while {[gets $curhelp(fid) li] >= 0} { |
| 135 |
< |
if [regexp -nocase {^\.([A-Z][A-Z0-9]*)\.([A-Z][A-Z0-9]*)$} \ |
| 136 |
< |
$li dummy cat top] { |
| 137 |
< |
lappend curhelp(index) "$cat $top [tell $curhelp(fid)]" |
| 138 |
< |
if {[lsearch -exact $catlist $cat] < 0} { |
| 139 |
< |
lappend catlist $cat |
| 132 |
> |
if {! [file exists $ifile] || |
| 133 |
> |
[file mtime $fname] > [file mtime $ifile]} { |
| 134 |
> |
set helpindex(catlist) {} |
| 135 |
> |
while {[gets $curhelp(fid) li] >= 0} { |
| 136 |
> |
if [regexp -nocase {^\.([A-Z][A-Z0-9]*)\.([A-Z][A-Z0-9]*)$} \ |
| 137 |
> |
$li dummy cat top] { |
| 138 |
> |
lappend helpindex([string toupper $cat]) $top |
| 139 |
> |
set helpindex([string toupper $cat,$top]) \ |
| 140 |
> |
[tell $curhelp(fid)] |
| 141 |
> |
if {[lsearch -exact $helpindex(catlist) $cat] < 0} { |
| 142 |
> |
lappend helpindex(catlist) $cat |
| 143 |
> |
} |
| 144 |
|
} |
| 145 |
|
} |
| 146 |
+ |
if {! [catch {set fi [open $ifile w]}]} { |
| 147 |
+ |
writevars $fi helpindex |
| 148 |
+ |
close $fi |
| 149 |
+ |
catch {exec chmod 666 $ifile} |
| 150 |
+ |
} |
| 151 |
+ |
} else { |
| 152 |
+ |
source $ifile |
| 153 |
|
} |
| 154 |
|
.helpwin.but.catb.m delete 0 last |
| 155 |
< |
foreach cat $catlist { |
| 155 |
> |
foreach cat $helpindex(catlist) { |
| 156 |
|
.helpwin.but.catb.m add command -label $cat \ |
| 157 |
|
-command "helphist new $cat intro" |
| 158 |
|
} |
| 164 |
|
} |
| 165 |
|
|
| 166 |
|
proc helpgoto {cat top} { # find selected category and topic |
| 167 |
< |
global curhelp |
| 167 |
> |
global curhelp helpindex |
| 168 |
|
# Capitalize "just in case" |
| 169 |
|
set cat [string toupper $cat] |
| 170 |
|
set top [string toupper $top] |
| 172 |
|
set curhelp(topic) $top |
| 173 |
|
if {"$cat" != "$curhelp(category)"} { |
| 174 |
|
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 |
– |
} |
| 175 |
|
.helpwin.but.topb.m delete 0 last |
| 176 |
< |
foreach top $toplist { |
| 176 |
> |
foreach top $helpindex($cat) { |
| 177 |
|
.helpwin.but.topb.m add command -label $top \ |
| 178 |
|
-command "helphist new \$curhelp(category) $top" |
| 179 |
|
} |
| 182 |
|
} |
| 183 |
|
|
| 184 |
|
proc helpupdate {} { # update help text window |
| 185 |
< |
global curhelp helpfontwidth |
| 185 |
> |
global curhelp helpindex helpfontwidth |
| 186 |
|
# Print category and topic |
| 187 |
|
set linelen [expr "[winfo width .helpwin.txt] / $helpfontwidth - 1"] |
| 188 |
|
.helpwin.txt configure -state normal |
| 197 |
|
# Search for it in file |
| 198 |
|
if {"$curhelp(category) $curhelp(topic)" != |
| 199 |
|
"[string toupper $curhelp(next)]"} { |
| 200 |
< |
for {set i [llength $curhelp(index)]} {[incr i -1] >= 0} {} { |
| 201 |
< |
if {"$curhelp(category) $curhelp(topic)" == |
| 202 |
< |
[lrange [string toupper [lindex \ |
| 200 |
< |
$curhelp(index) $i]] 0 1]} { |
| 201 |
< |
break |
| 202 |
< |
} |
| 203 |
< |
} |
| 204 |
< |
if {$i < 0} { |
| 200 |
> |
if [info exists helpindex($curhelp(category),$curhelp(topic))] { |
| 201 |
> |
seek $curhelp(fid) $helpindex($curhelp(category),$curhelp(topic)) |
| 202 |
> |
} else { |
| 203 |
|
.helpwin.txt insert end "\nNo such help topic." |
| 204 |
|
.helpwin.txt configure -state disabled |
| 205 |
|
return ".$curhelp(category).$curhelp(topic) not found\ |
| 206 |
|
in $curhelp(file)" |
| 207 |
|
} |
| 210 |
– |
seek $curhelp(fid) [lindex [lindex $curhelp(index) $i] 2] |
| 208 |
|
} |
| 209 |
|
# Load help text into our window |
| 210 |
|
set linepos 0 |
| 248 |
|
set curhelp(next) "$cat $top" |
| 249 |
|
.helpwin.but.next configure -state normal |
| 250 |
|
} else { |
| 251 |
+ |
set curhelp(next) {} |
| 252 |
|
.helpwin.but.next configure -state disabled |
| 253 |
|
} |
| 254 |
|
.helpwin.txt configure -state disabled |
| 303 |
|
} |
| 304 |
|
|
| 305 |
|
proc helpsearch word { # search for occurances of the given word |
| 306 |
< |
global curhelp |
| 306 |
> |
global curhelp helpindex |
| 307 |
|
if {"$curhelp(search)" == {}} { |
| 308 |
|
set curhelp(msg) "No pattern." |
| 309 |
|
return 0 |
| 310 |
|
} |
| 311 |
|
set nmatches 0 |
| 312 |
< |
set cat [lindex [lindex $curhelp(index) 0] 0] |
| 313 |
< |
set top [lindex [lindex $curhelp(index) 0] 1] |
| 312 |
> |
set cat [lindex $helpindex(catlist) 0] |
| 313 |
> |
set top [lindex $helpindex([string toupper $cat]) 0] |
| 314 |
|
set startpos [tell $curhelp(fid)] |
| 315 |
< |
seek $curhelp(fid) [lindex [lindex $curhelp(index) 0] 2] |
| 315 |
> |
seek $curhelp(fid) $helpindex([string toupper $cat,$top]) |
| 316 |
|
set foundmatch 0 |
| 317 |
|
while {[gets $curhelp(fid) li] >= 0} { |
| 318 |
|
if [regexp -nocase {^\.([A-Z][A-Z0-9]*)\.([A-Z][A-Z0-9]*)$} \ |
