+proc doprefs {} {
+ global maxwidth maxgraphpct diffopts findmergefiles
+ global oldprefs prefstop
+
+ set top .gitkprefs
+ set prefstop $top
+ if {[winfo exists $top]} {
+ raise $top
+ return
+ }
+ foreach v {maxwidth maxgraphpct diffopts findmergefiles} {
+ set oldprefs($v) [set $v]
+ }
+ toplevel $top
+ wm title $top "Gitk preferences"
+ label $top.ldisp -text "Commit list display options"
+ grid $top.ldisp - -sticky w -pady 10
+ label $top.spacer -text " "
+ label $top.maxwidthl -text "Maximum graph width (lines)" \
+ -font optionfont
+ spinbox $top.maxwidth -from 0 -to 100 -width 4 -textvariable maxwidth
+ grid $top.spacer $top.maxwidthl $top.maxwidth -sticky w
+ label $top.maxpctl -text "Maximum graph width (% of pane)" \
+ -font optionfont
+ spinbox $top.maxpct -from 1 -to 100 -width 4 -textvariable maxgraphpct
+ grid x $top.maxpctl $top.maxpct -sticky w
+ checkbutton $top.findm -variable findmergefiles
+ label $top.findml -text "Include merges for \"Find\" in \"Files\"" \
+ -font optionfont
+ grid $top.findm $top.findml - -sticky w
+ label $top.ddisp -text "Diff display options"
+ grid $top.ddisp - -sticky w -pady 10
+ label $top.diffoptl -text "Options for diff program" \
+ -font optionfont
+ entry $top.diffopt -width 20 -textvariable diffopts
+ grid x $top.diffoptl $top.diffopt -sticky w
+ frame $top.buts
+ button $top.buts.ok -text "OK" -command prefsok
+ button $top.buts.can -text "Cancel" -command prefscan
+ grid $top.buts.ok $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - - -pady 10 -sticky ew
+}
+
+proc prefscan {} {
+ global maxwidth maxgraphpct diffopts findmergefiles
+ global oldprefs prefstop
+
+ foreach v {maxwidth maxgraphpct diffopts findmergefiles} {
+ set $v $oldprefs($v)
+ }
+ catch {destroy $prefstop}
+ unset prefstop
+}
+
+proc prefsok {} {
+ global maxwidth maxgraphpct
+ global oldprefs prefstop
+
+ catch {destroy $prefstop}
+ unset prefstop
+ if {$maxwidth != $oldprefs(maxwidth)
+ || $maxgraphpct != $oldprefs(maxgraphpct)} {
+ redisplay
+ }
+}
+
+proc formatdate {d} {
+ return [clock format $d -format "%Y-%m-%d %H:%M:%S"]
+}
+