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# git-gui status bar mega-widget
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# Copyright (C) 2007 Shawn Pearce
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field w ; # our own window path
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field w_l ; # text widget we draw messages into
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field w_c ; # canvas we draw a progress bar into
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field status {}; # single line of text we show
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field prefix {}; # text we format into status
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field units {}; # unit of progress
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field meter {}; # current core git progress meter (if active)
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constructor new {path} {
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-textvariable @status \
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bind $w <Destroy> [cb _delete %W]
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method start {msg uds} {
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if {[winfo exists $w_c]} {
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$w_c coords bar 0 0 0 20
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-height [expr {int([winfo reqheight $w_l] * 0.6)}] \
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$w_c create rectangle 0 0 0 20 -tags bar -fill navy
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method update {have total} {
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set pdone [expr {100 * $have / $total}]
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set status [format "%s ... %i of %i %s (%2i%%)" \
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$prefix $have $total $units $pdone]
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$w_c coords bar 0 0 $pdone 20
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method update_meter {buf} {
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set r [string last "\r" $meter]
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set prior [string range $meter 0 $r]
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set meter [string range $meter [expr {$r + 1}] end]
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set p "\\((\\d+)/(\\d+)\\)"
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if {[regexp ":\\s*\\d+% $p\(?:, done.\\s*\n|\\s*\r)\$" $prior _j a b]} {
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} elseif {[regexp "$p\\s+done\r\$" $prior _j a b]} {
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method stop {{msg {}}} {
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method show {msg {test {}}} {
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if {$test eq {} || $status eq $test} {
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method _delete {current} {