no display name and no $DISPLAY environment variable
while executing
"load /enadisk/commun/linux/local/ActiveTcl-8.6.11/lib/libtk8.6.so Tk"
("package ifneeded Tk 8.6.11" script)
invoked from within
"package require Tk"
(in namespace eval "::request" script line 53)
invoked from within
"namespace eval ::request $script"
("::try" body line 12)
OUTPUT BUFFER:
#!/usr/bin/env tclsh
## -*- tcl -*-
set scriptDir [file dirname [info script]]
########################################################################
# BigFloat for Tcl
# Copyright (C) 2003-2005 ARNOLD Stephane
#
# BIGFLOAT LICENSE TERMS
#
# This software is copyrighted by Stephane ARNOLD, (stephanearnold yahoo.fr).
# The following terms apply to all files associated
# with the software unless explicitly disclaimed in individual files.
#
# The authors hereby grant permission to use, copy, modify, distribute,
# and license this software and its documentation for any purpose, provided
# that existing copyright notices are retained in all copies and that this
# notice is included verbatim in any distributions. No written agreement,
# license, or royalty fee is required for any of the authorized uses.
# Modifications to this software may be copyrighted by their authors
# and need not follow the licensing terms described here, provided that
# the new terms are clearly indicated on the first page of each file where
# they apply.
#
# IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
# FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
# ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
# DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
# IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
# NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
# MODIFICATIONS.
#
# GOVERNMENT USE: If you are acquiring this software on behalf of the
# U.S. government, the Government shall have only "Restricted Rights"
# in the software and related documentation as defined in the Federal
# Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you
# are acquiring the software on behalf of the Department of Defense, the
# software shall be classified as "Commercial Computer Software" and the
# Government shall have only "Restricted Rights" as defined in Clause
# 252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
# authors grant the U.S. Government and others acting in its behalf
# permission to use and distribute the software in accordance with the
# terms specified in this license.
#
########################################################################
package require Tk
package require math::bigfloat
namespace import ::math::bigfloat::*
set nbButtons 0
proc addButton {command} {
global nbButtons
set ::buttons($nbButtons,command) _$command
set ::buttons($nbButtons,texte) $command
incr nbButtons
}
proc addButtonTwo {commande} {
addButton $commande
proc _$commande {} "if {\[catch {pop a} msg\]} {tk_messageBox -message \$msg;return}
if {\[catch {pop b} msg\]} {push \$a
tk_messageBox -message \$msg;return}
if {\[catch {set result \[$commande \$a \$b\]} msg\]} {
push \$b
push \$a
tk_messageBox -message \$msg
return}
push \$result"
}
proc addButtonOne {commande} {
addButton $commande
proc _$commande {} "if {\[catch {pop a} msg\]} {tk_messageBox -message \$msg;return}
if {\[catch {set result \[$commande \$a\]} msg\]} {push \$a
tk_messageBox -message \$msg
return}
push \$result"
}
proc drawButtons {} {
global nbButtons
set nbLines [expr {int(sqrt($nbButtons))}]
for {set i 0} {$i<$nbButtons} {incr i} {
set col [expr {$i%$nbLines}]
set line [expr {$i/$nbLines}]
set commande $::buttons($i,command)
set texte $::buttons($i,texte)
button .functions.$commande -text $texte -command $commande -width 10
grid .functions.$commande -column $col -row $line -in .functions
}
}
proc initStack {} {
foreach i {1 2 3 4} {
label .stack.l$i -text "[expr {5-$i}] :" -foreground #079 -width 5
grid .stack.l$i -in .stack -row $i -column 1
label .stack.n$i -text "Empty" -foreground #097 -width 85
grid .stack.n$i -in .stack -row $i -column 2
}
set ::stack [list]
}
proc Push {} {
set x [fromstr $::bignum]
if {![isInt $x]} {
set x [fromstr $::bignum $::zeros]
}
lappend ::stack $x
set ::bignum 1.00
set ::zeros 0
}
proc toStr {n} {
set n [math::bigfloat::tostr $n]
set resultat ""
while {[string length $n]>80} {
append resultat "[string range $n 0 79]...\n"
set n [string range $n 80 end]
}
append resultat $n
}
proc drawStack {args} {
set l [lrange $::stack end-3 end]
for {set i 4} {$i>[llength $l]} {incr i -1} {
.stack.n[expr {5-$i}] configure -text "Empty" -foreground #097
}
for {set i 0} {$i<[llength $l]} {incr i} {
set number [lindex $::stack end-$i]
.stack.n[expr {4-$i}] configure -text [toStr $number] -foreground #000
}
}
proc init {} {
wm title . "BigFloatDemo 1.2"
# the stack (for RPN)
frame .stack
pack .stack
initStack
# the commands for input
set c [frame .commands]
pack $c -padx 10 -pady 10
set ::bignum 1.00
entry $c.bignum -textvariable ::bignum -width 16
pack $c.bignum -in $c -side left
label $c.labelZero -text "append zeros"
pack $c.labelZero -in $c -side left
set ::zeros 0
entry $c.zeros -textvariable ::zeros -width 4
pack $c.zeros -in $c -side left
button $c.fenter -text "Push" -command Push
pack $c.fenter -in $c -side left
# the functions for numbers
frame .functions
pack .functions
set f .functions
# chaque fonction est associée, d'une part,
# à un bouton portant un libellé, et d'autre part
# à une commande Tcl
# ici nous associons le bouton "add" à la commande "add"
addButtonTwo add
# toutes ces commandes se trouvent à la fin de ce fichier
addButtonTwo sub
addButtonTwo mul
addButtonTwo div
addButtonTwo mod
addButtonOne opp
addButtonOne abs
addButtonOne round
addButtonOne ceil
addButtonOne floor
addButtonTwo pow
addButtonOne sqrt
addButtonOne log
addButtonOne exp
addButtonOne cos
addButtonOne sin
addButtonOne tan
addButtonOne acos
addButtonOne asin
addButtonOne atan
addButtonOne cotan
addButtonOne cosh
addButtonOne sinh
addButtonOne tanh
addButtonOne pi
addButtonOne rad2deg
addButtonOne deg2rad
addButtonOne int2float
addButton del
addButton swap
addButton dup
addButton help
addButton save
addButton exit
drawButtons
raise .
}
################################################################################
# procedures that corresponds to functions (add,mul,etc.)
################################################################################
proc _save {} {
set fichier [tk_getSaveFile -filetypes {{{Text Files} {.txt}}} -title "Save the stack as ..."]
if {$fichier == ""} {
error "You should give a name to the file. Aborting saving operation. Sorry."
}
if {[lindex [split $fichier .] end]!="txt"} {
append fichier .txt
}
if {[catch {set file [open $fichier w]}]} {
error "Write impossible on file : '$fichier'"
}
foreach valeur $::stack {
puts $file [::math::bigfloat::tostr $valeur]
}
close $file
}
proc ShowFile {filename buttonText} {
if {[catch {toplevel .help}]} {
tk_messageBox -message "Unable to create the window ; please close the current help window"
return
}
frame .help.licence
text .help.licence.t -yscrollcommand {.help.licence.s set}
scrollbar .help.licence.s -command {.help.licence.t yview}
grid .help.licence.t .help.licence.s -sticky nsew
grid columnconfigure .help.licence 0 -weight 1
grid rowconfigure .help.licence 0 -weight 1
pack .help.licence -in .help
set fd [open $filename]
.help.licence.t insert 0.0 [read $fd]
close $fd
.help.licence.t configure -state disabled
button .help.bouton -text $buttonText -command {destroy .help;raise .}
pack .help.bouton -in .help
focus -force .help
}
proc _help {args} {
# display some help
ShowFile [file join $::scriptDir bigfloat.help] Close
}
proc _del {} {
if {[llength $::stack]<=1} {
set ::stack {}
} else {
set ::stack [lrange $::stack 0 end-1]
}
}
proc _swap {} {
set last [lindex $::stack end]
lset ::stack end [lindex $::stack end-1]
lset ::stack end-1 $last
}
# duplicate the last value
proc _dup {} {
lappend ::stack [lindex $::stack end]
}
proc pop {varname} {
if {[llength $::stack]==0} {
error "too few arguments in the stack"
}
upvar $varname out
set out [lindex $::stack end]
set ::stack [lrange $::stack 0 end-1]
return
}
proc push {x} {
lappend ::stack $x
}
proc _exit {} {
update
exit
}
# initialize the calculator and create the widgets (GUI)
init
# chaque fois qu'une commande modifie la pile de nombres,
# la commande drawStack sera appelée pour la réactualiser
trace add variable ::stack write drawStack