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# git-gui status bar mega-widget
# Copyright (C) 2007 Shawn Pearce
class status_bar {
field w ; # our own window path
field w_l ; # text widget we draw messages into
field w_c ; # canvas we draw a progress bar into
field c_pack ; # script to pack the canvas with
field status {}; # single line of text we show
field prefix {}; # text we format into status
field units {}; # unit of progress
field meter {}; # current core git progress meter (if active)
constructor new {path} {
set w $path
set w_l $w.l
set w_c $w.c
frame $w \
-borderwidth 1 \
-relief sunken
label $w_l \
-textvariable @status \
-anchor w \
-justify left
pack $w_l -side left
set c_pack [cb _oneline_pack]
bind $w <Destroy> [cb _delete %W]
return $this
}
method _oneline_pack {} {
$w_c conf -width 100
pack $w_c -side right
}
constructor two_line {path} {
set w $path
set w_l $w.l
set w_c $w.c
frame $w
label $w_l \
-textvariable @status \
-anchor w \
-justify left
pack $w_l -anchor w -fill x
set c_pack [list pack $w_c -fill x]
bind $w <Destroy> [cb _delete %W]
return $this
}
method start {msg uds} {
if {[winfo exists $w_c]} {
$w_c coords bar 0 0 0 20
} else {
canvas $w_c \
-height [expr {int([winfo reqheight $w_l] * 0.6)}] \
-borderwidth 1 \
-relief groove \
-highlightt 0
$w_c create rectangle 0 0 0 20 -tags bar -fill navy
eval $c_pack
}
set status $msg
set prefix $msg
set units $uds
set meter {}
}
method update {have total} {
set pdone 0
if {$total > 0} {
set pdone [expr {100 * $have / $total}]
set cdone [expr {[winfo width $w_c] * $have / $total}]
}
set prec [string length [format %i $total]]
set status [mc "%s ... %*i of %*i %s (%3i%%)" \
$prefix \
$prec $have \
$prec $total \
$units $pdone]
$w_c coords bar 0 0 $cdone 20
}
method update_meter {buf} {
append meter $buf
set r [string last "\r" $meter]
if {$r == -1} {
return
}
set prior [string range $meter 0 $r]
set meter [string range $meter [expr {$r + 1}] end]
if {[regexp "\\((\\d+)/(\\d+)\\)\\s+done\r\$" $prior _j a b]} {
update $this $a $b
}
}
method stop {{msg {}}} {
destroy $w_c
if {$msg ne {}} {
set status $msg
}
}
method show {msg {test {}}} {
if {$test eq {} || $status eq $test} {
set status $msg
}
}
method _delete {current} {
if {$current eq $w} {
delete_this
}
}
}
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