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-rw-r--r--third_party/git/git-gui/lib/status_bar.tcl131
1 files changed, 131 insertions, 0 deletions
diff --git a/third_party/git/git-gui/lib/status_bar.tcl b/third_party/git/git-gui/lib/status_bar.tcl
new file mode 100644
index 000000000000..02111a1742f9
--- /dev/null
+++ b/third_party/git/git-gui/lib/status_bar.tcl
@@ -0,0 +1,131 @@
+# 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} {
+	global use_ttk NS
+	set w $path
+	set w_l $w.l
+	set w_c $w.c
+
+	${NS}::frame $w
+	if {!$use_ttk} {
+		$w configure -borderwidth 1 -relief sunken
+	}
+	${NS}::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} {
+	global NS
+	set w $path
+	set w_l $w.l
+	set w_c $w.c
+
+	${NS}::frame $w
+	${NS}::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  $uds
+	set meter  {}
+}
+
+method update {have total} {
+	set pdone 0
+	set cdone 0
+	if {$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]
+	set p "\\((\\d+)/(\\d+)\\)"
+	if {[regexp ":\\s*\\d+% $p\(?:, done.\\s*\n|\\s*\r)\$" $prior _j a b]} {
+		update $this $a $b
+	} elseif {[regexp "$p\\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
+	}
+}
+
+}