/usr/share/tcltk/bwidget1.9.12/progressbar.tcl is in bwidget 1.9.12-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# progressbar.tcl
# This file is part of Unifix BWidget Toolkit
# ----------------------------------------------------------------------------
# Index of commands:
# - ProgressBar::create
# - ProgressBar::configure
# - ProgressBar::cget
# - ProgressBar::_destroy
# - ProgressBar::_modify
# ----------------------------------------------------------------------------
namespace eval ProgressBar {
Widget::define ProgressBar progressbar
Widget::declare ProgressBar {
{-type Enum normal 0
{normal incremental infinite nonincremental_infinite}}
{-maximum Int 100 0 "%d > 0"}
{-background TkResource "" 0 frame}
{-foreground TkResource "blue" 0 label}
{-borderwidth TkResource 2 0 frame}
{-troughcolor TkResource "" 0 scrollbar}
{-relief TkResource sunken 0 label}
{-orient Enum horizontal 1 {horizontal vertical}}
{-variable String "" 0}
{-idle Boolean 0 0}
{-width TkResource 100 0 frame}
{-height TkResource 4m 0 frame}
{-bg Synonym -background}
{-fg Synonym -foreground}
{-bd Synonym -borderwidth}
}
Widget::addmap ProgressBar "" :cmd {-background {} -width {} -height {}}
Widget::addmap ProgressBar "" .bar {
-troughcolor -background -borderwidth {} -relief {}
}
variable _widget
}
# ----------------------------------------------------------------------------
# Command ProgressBar::create
# ----------------------------------------------------------------------------
proc ProgressBar::create { path args } {
variable _widget
array set maps [list ProgressBar {} :cmd {} .bar {}]
array set maps [Widget::parseArgs ProgressBar $args]
eval frame $path $maps(:cmd) -class ProgressBar -bd 0 \
-highlightthickness 0 -relief flat
Widget::initFromODB ProgressBar $path $maps(ProgressBar)
set c [eval [list canvas $path.bar] $maps(.bar) -highlightthickness 0]
set fg [Widget::cget $path -foreground]
if { [string equal [Widget::cget $path -orient] "horizontal"] } {
$path.bar create rectangle -1 0 0 0 -fill $fg -outline $fg -tags rect
} else {
$path.bar create rectangle 0 1 0 0 -fill $fg -outline $fg -tags rect
}
set _widget($path,val) 0
set _widget($path,dir) 1
set _widget($path,var) [Widget::cget $path -variable]
if {$_widget($path,var) != ""} {
GlobalVar::tracevar variable $_widget($path,var) w \
[list ProgressBar::_modify $path]
set _widget($path,afterid) \
[after idle [list ProgressBar::_modify $path]]
}
bind $path.bar <Destroy> [list ProgressBar::_destroy $path]
bind $path.bar <Configure> [list ProgressBar::_modify $path]
return [Widget::create ProgressBar $path]
}
# ----------------------------------------------------------------------------
# Command ProgressBar::configure
# ----------------------------------------------------------------------------
proc ProgressBar::configure { path args } {
variable _widget
set res [Widget::configure $path $args]
if { [Widget::hasChangedX $path -variable] } {
set newv [Widget::cget $path -variable]
if { $_widget($path,var) != "" } {
GlobalVar::tracevar vdelete $_widget($path,var) w \
[list ProgressBar::_modify $path]
}
if { $newv != "" } {
set _widget($path,var) $newv
GlobalVar::tracevar variable $newv w \
[list ProgressBar::_modify $path]
if {![info exists _widget($path,afterid)]} {
set _widget($path,afterid) \
[after idle [list ProgressBar::_modify $path]]
}
} else {
set _widget($path,var) ""
}
}
foreach {cbd cor cma} [Widget::hasChangedX $path -borderwidth \
-orient -maximum] break
if { $cbd || $cor || $cma } {
if {![info exists _widget($path,afterid)]} {
set _widget($path,afterid) \
[after idle [list ProgressBar::_modify $path]]
}
}
if { [Widget::hasChangedX $path -foreground] } {
set fg [Widget::cget $path -foreground]
$path.bar itemconfigure rect -fill $fg -outline $fg
}
return $res
}
# ----------------------------------------------------------------------------
# Command ProgressBar::cget
# ----------------------------------------------------------------------------
proc ProgressBar::cget { path option } {
return [Widget::cget $path $option]
}
# ----------------------------------------------------------------------------
# Command ProgressBar::_modify
# ----------------------------------------------------------------------------
proc ProgressBar::_modify { path args } {
variable _widget
catch {unset _widget($path,afterid)}
if { ![GlobalVar::exists $_widget($path,var)] ||
[set val [GlobalVar::getvar $_widget($path,var)]] < 0 } {
catch {place forget $path.bar}
} else {
place $path.bar -relx 0 -rely 0 -relwidth 1 -relheight 1
set type [Widget::getoption $path -type]
if { $val != 0 && $type != "normal" && \
$type != "nonincremental_infinite"} {
set val [expr {$val+$_widget($path,val)}]
}
set _widget($path,val) $val
set max [Widget::getoption $path -maximum]
set bd [expr {2*[$path.bar cget -bd]}]
set w [winfo width $path.bar]
set h [winfo height $path.bar]
if {$type == "infinite" || $type == "nonincremental_infinite"} {
# JDC: New infinite behaviour
set tval [expr {$val % $max}]
if { $tval < ($max / 2.0) } {
set x0 [expr {double($tval) / double($max) * 1.5}]
} else {
set x0 [expr {(1.0-(double($tval) / double($max))) * 1.5}]
}
set x1 [expr {$x0 + 0.25}]
# convert coords to ints to prevent triggering canvas refresh
# bug related to fractional coords
if {[Widget::getoption $path -orient] == "horizontal"} {
$path.bar coords rect [expr {int($x0*$w)}] 0 \
[expr {int($x1*$w)}] $h
} else {
$path.bar coords rect 0 [expr {int($h-$x0*$h)}] $w \
[expr {int($x1*$h)}]
}
} else {
if { $val > $max } {set val $max}
if {[Widget::getoption $path -orient] == "horizontal"} {
$path.bar coords rect -1 0 [expr {int(double($val)*$w/$max)}] $h
} else {
$path.bar coords rect 0 [expr {$h+1}] $w \
[expr {int($h*(1.0 - double($val)/$max))}]
}
}
}
if {![Widget::cget $path -idle]} {
update idletasks
}
}
# ----------------------------------------------------------------------------
# Command ProgressBar::_destroy
# ----------------------------------------------------------------------------
proc ProgressBar::_destroy { path } {
variable _widget
if {[info exists _widget($path,afterid)]} {
after cancel $_widget($path,afterid)
unset _widget($path,afterid)
}
if {[info exists _widget($path,var)]} {
if {$_widget($path,var) != ""} {
GlobalVar::tracevar vdelete $_widget($path,var) w \
[list ProgressBar::_modify $path]
}
unset _widget($path,var)
}
unset _widget($path,dir)
Widget::destroy $path
}
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