+ }
+}
+
+proc load-icon {icon} {
+ image create bitmap icon/$icon -file icons/$icon.xbm
+}
+
+proc load-icon-combine {args} {
+ set cmd {}
+ set delim "pnmcat -lr "
+ foreach icon $args {
+ append cmd $delim " <(xbmtopbm icons/$icon.xbm)"
+ set delim " <(pbmmake -white 1 1)"
+ }
+ append cmd " | pbmtoxbm"
+ debug "load-icon-combine $cmd"
+ image create bitmap icon/[join $args +] -data [exec bash -c $cmd]
+}
+
+proc code-lockown2icon {lockown} {
+ manyset [split $lockown ""] lock notown
+ return icon/[
+ lindex {battle borrow dot} $lock
+ ]+[
+ lindex {ours dot query} $notown
+ ]
+}
+
+proc canvas-horiz-stack {xvar xoff y bind type args} {
+ upvar 1 $xvar x
+ upvar 1 canvas canvas
+ set id [eval $canvas create $type [expr {$x+$xoff}] $y $args]
+ set bbox [$canvas bbox $id]
+ set x [lindex $bbox 2]
+ $canvas bind $id <ButtonPress> $bind
+ return $id
+}
+
+proc code2canvas {code canvas x yvar qty qtylen bind} {
+ global vc_code2abbrev
+ upvar 1 $yvar y
+
+ manyset [split $code _] inport class subclass lockown xabbrev
+
+ set stackx $x
+ incr stackx 2
+ set imy [expr {$y+2}]
+
+ if {!$inport} { incr qtylen -1 }
+ if {$qtylen<=0} { set qtylen {} }
+ set qty [format "%${qtylen}s" $qty]
+
+ set qtyid [canvas-horiz-stack stackx 0 $y $bind \
+ text -anchor nw -font fixed -text $qty]
+
+ if {!$inport} {
+ canvas-horiz-stack stackx 0 $imy $bind \
+ image -anchor nw -image icon/atsea
+ incr stackx
+ }
+
+ canvas-horiz-stack stackx -1 $imy $bind \
+ image -anchor nw -image icon/$vc_code2abbrev($class)
+
+ if {[string length $subclass]} {
+ canvas-horiz-stack stackx 0 $y $bind \
+ text -anchor nw -font fixed -text \
+ $subclass
+ }
+
+ incr stackx
+ canvas-horiz-stack stackx 0 $imy $bind \
+ image -anchor nw -image [code-lockown2icon $lockown]
+ incr stackx
+
+ if {[string length $xabbrev]} {
+ canvas-horiz-stack stackx 0 $y $bind \
+ text -anchor nw -font fixed -text \
+ $xabbrev
+ }
+
+ set bbox [$canvas bbox $qtyid]
+ set ny [lindex $bbox 3]
+ set bid [$canvas create rectangle \
+ $x $y $stackx $ny \
+ -fill white]
+
+ set y $ny
+ $canvas lower $bid $qtyid
+
+ $canvas bind $bid <ButtonPress> $bind
+}
+
+proc show-report-decode {code} {
+ global vc_code2full
+
+ manyset [split $code _] inport classcode subclass lockown xabbrev
+ manyset [split $lockown ""] lock notown
+
+ report-set inport [lindex {{At Sea} {In port}} $inport]
+ report-set class $vc_code2full($classcode)
+
+ switch -exact $subclass {
+ {} { report-set subclass {Ordinary} }
+ F { report-set subclass {"Frost class"} }
+ default { report-set subclass "Subclass \"$subclass\"" }
+ }
+
+ report-set lock [lindex {
+ {Battle ready} {Unlocked} {Locked}
+ } $lock]
+
+ switch -exact $notown {
+ 0 { report-set own "Yours" }
+ 1 { report-set own "Other pirate's" }
+ 2 { report-set own "Owner not specified in notes" }
+ default { report-set own "?? $notown" }
+ }
+
+ if {[string length $xabbrev]} {
+ report-set xabbrev "Notes flags: $xabbrev"
+ } else {
+ report-set xabbrev "No flags in notes"
+ }
+}
+
+#---------- filtering ----------
+
+set filters {}
+
+proc filter-values/size {} { global vc_codes; return $vc_codes }
+proc filter-icon/size {code} {
+ upvar #0 vc_code2abbrev($code) abb
+ return icon/$abb
+}
+proc filter-default/size {code} { return 1 }
+proc filter-says-yes/size {codel} {
+ set sizecode [lindex $codel 1]
+ upvar #0 filter_size($sizecode) yes
+ return $yes
+}
+
+proc filter-values/lockown {} {
+ foreach lv {0 1 2} {
+ foreach ov {0 1 2} {
+ lappend vals "$lv$ov"