X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.db-test.git;a=blobdiff_plain;f=yarrg%2Fwhere-vessels;h=29c3ab720c6c5650c326637df8fa078ad3141d97;hp=f7bbef6b728234ffdd5ed70699215ba2041f9a42;hb=d10f467c0e4205c612d0e71e787f8c6bf40ccadb;hpb=d20804748f46e3687d947cc664644c2b6518f954

diff --git a/yarrg/where-vessels b/yarrg/where-vessels
index f7bbef6..29c3ab7 100755
--- a/yarrg/where-vessels
+++ b/yarrg/where-vessels
@@ -1,105 +1,365 @@
 #!/usr/bin/wish
+# show your vessels on a map
 
-pkg_mkIndex .
-set auto_path [concat . $auto_path]
+# This is part of ypp-sc-tools, a set of third-party tools for assisting
+# players of Yohoho Puzzle Pirates.
+#
+# Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+# are used without permission.  This program is not endorsed or
+# sponsored by Three Rings.
 
-package require panner
 
-set us Aristarchus
 
-proc manyset {list args} {
-    foreach val $list var $args {
-        upvar 1 $var my
-        set my $val
+source yarrglib.tcl
+source panner.tcl
+package require http
+
+#---------- general utilities ----------
+
+set debug 0
+proc debug {m} {
+    global debug
+    if {$debug} { puts "DEBUG $m" }
+}
+
+proc badusage {m} {
+    puts stderr "where-vessels: bad usage: $m"
+    exit 1
+}
+
+proc glset {n val} {
+    upvar #0 $n var
+    set var $val
+}
+
+#---------- expecting certain errors ----------
+
+proc errexpect-setline {lno line} {
+    glset errexpect_lno $lno
+    glset errexpect_line $line
+}
+
+proc errexpect-error {m} {
+    global errexpect_line errexpect_lno
+    error $m "$errexpect_line\n" [list YARRG-ERREXPECT $errexpect_lno]
+}
+
+proc errexpect-arrayget {arrayvar key} {
+    upvar 1 $arrayvar av
+    upvar 1 ${arrayvar}($key) v
+    if {[info exists v]} { return $v }
+    errexpect-error "undefined $key"
+}
+
+proc errexpect-catch {code} {
+    global errorInfo errorCode
+    set rc [catch {
+	uplevel 1 $code
+    } rv]
+    debug "ERREXPECT CATCH |$rc|$rv|$errorCode|$errorInfo|"
+    if {$rc==1 && ![string compare YARRG-ERREXPECT [lindex $errorCode 0]]} {
+	return [list 1 $rv [lindex $errorCode 1] $errorInfo]
+    } elseif {$rc==0} {
+	return [list 0 $rv]
+    } else {
+	return -code $rc -errorinfo $errorInfo -errorcode $errorCode $rv
     }
 }
 
-set itemre { (\w+) = ([^=]*) }
-set manyitemre "^\\\[ $itemre ( (?: ,\\ $itemre)* ) \\]\$"
-puts $manyitemre
+#---------- argument parsing ----------
 
-set vn [open vessel-notes]
-while {[gets $vn l] >= 0} {
-	regsub -all {\t+} $l "\t" l
-	manyset [split $l "\t"] vname vid owner note
-	set nk $vid.$vname
-	puts "SET NOTE $nk"
-	set notes($nk) [list $owner $note]
+proc nextarg {} {
+    global ai argv
+    if {$ai >= [llength $argv]} {
+	badusage "option [lindex $argv [expr {$ai-1}]] needs a value"
+    }
+    set v [lindex $argv $ai]
+    incr ai
+    return $v
 }
-close $vn
 
-proc vessel {vin} {
-	global us
-	upvar #0 $vin vi
-	switch -exact $vi(vesselClass) {
-		smsloop		{ set sz 00sl }
-		lgsloop		{ set sz 01ct }
-		dhow		{ set sz 02dh }
-		longship	{ set sz 03ls }
-		baghlah		{ set sz 04bg }
-		merchbrig	{ set sz 05mb }
-		warbrig		{ set sz 06wb }
-		xebec		{ set sz 07xe }
-		warfrig		{ set sz 08wf }
-		merchgal	{ set sz 09mg }
-		grandfrig	{ set sz 10gf }
-		default		{ error "$vi(vesselClass) ?" }
+set notes_loc vessel-notes
+set scraper {./yppedia-ocean-scraper --chart}
+
+proc parseargs {} {
+    global ai argv
+    global debug scraper
+    set ai 0
+
+    while {[regexp {^\-} [set arg [lindex $argv $ai]]]} {
+	incr ai
+	switch -exact -- $arg {
+	    -- { break }
+	    --pirate { glset pirate [string totitle [nextarg]] }
+	    --ocean { glset ocean [string totitle [nextarg]] }
+	    --clipboard-file { load-clipboard-file [nextarg] }
+	    --local-html-dir { lappend scraper --local-html-dir=[nextarg] }
+	    --notes { glset notes_loc [nextarg] }
+	    --debug { incr debug }
+	    default { badusage "unknown option $arg" }
 	}
-	set abbrev $sz
-	switch -exact $vi(vesselSubclass) {
-		null		{ }
-		icy		{ append abbrev F }
-		default		{ error "$vi(vesselSubclass) ?" }
+    }
+    set argv [lrange $argv $ai end]
+    if {[llength $argv]} { badusage "non-option args not allowed" }
+}
+
+proc argdefaults {} {
+    global ocean notes_loc pirate scraper
+    if {![info exists ocean] || ![info exists pirate]} {
+	set cmd {./yarrg --find-window-only --quiet}
+	if {[info exists ocean]} { lappend cmd --ocean $ocean }
+	if {[info exists pirate]} { lappend cmd --pirate $pirate }
+	manyset [split [eval exec $cmd] " "] ocean pirate
+    }
+    lappend scraper $ocean
+}
+
+
+#---------- loading and parsing the vessel notes ----------
+
+proc load-notes {} {
+    global notes_loc notes_data
+    if {[regexp {^\w+\:} $notes_loc]} {
+	update
+	debug "FETCHING NOTES $notes_loc"
+	set req [::http::geturl $notes_loc]
+	switch -glob [::http::status $req].[::http::ncode $req] {
+	    ok.200 { }
+	    ok.* { error "retrieving vessel-notes: [::http::code $req]" }
+	    * { error "Retrieving vessel-notes: [::http::error $req]" }
 	}
-	switch -exact $vi(isLocked)/$vi(isBattleReady) {
-		true/false	{ append abbrev 2- }
-		false/false	{ append abbrev 1+ }
-		false/true	{ append abbrev 0* }
-		default		{ error "$vi(isLocked)/$vi(isBattleReady) ?" }
+	set newdata [::http::data $req]
+	::http::cleanup $req
+    } else {
+	debug "READING NOTES $notes_loc"
+	set vn [open $notes_loc]
+	set newdata [read $vn]
+	close $vn
+    }
+    set notes_data $newdata
+}
+
+proc parse-notes {} {
+    global notes_data notes
+    catch { unset notes }
+
+    set lno 0
+    foreach l [split $notes_data "\n"] {
+	incr lno
+	errexpect-setline $lno $l
+	set l [string trim $l]
+	if {![string length $l]} continue
+	if {[regexp {^\#} $l]} continue
+	if {![regexp -expanded \
+		  {^ (\d+) (?: \s+([^=]*?) )? \s* =
+		      (?: \s* (\S+)
+		       (?: \s+ (\S+) )?)? $} \
+		  $l dummy vid vname owner note]} {
+	      errexpect-error "badly formatted"
 	}
-	switch -exact $vi(inPort) {
-		true		{ }
-		false		{ append abbrev ? }
-		default		{ error "$vi(inPort) ?" }
+	set vname [string trim $vname]
+	if {[info exists notes($vid)]} {
+	    errexpect-error "duplicate vesselid $vid"
 	}
-	set nk $vi(vesselId).$vi(vesselName)
-	upvar #0 notes($nk) note
-	if {[info exists note]} {
-		manyset $note owner xabbrev
-		if {![string compare $owner $us]} {
-			append abbrev =
-		} else {
-			append abbrev -
-		}
-		append abbrev $xabbrev
-		unset note
-	} else {
-#		puts "UNKNOWN $nk"
+	set notes($vid) [list $lno $vname $owner $note]
+    }
+}
+
+proc note-info {lno vid name description} {
+    global note_infos
+    lappend note_infos [list $lno $vid $name $description]
+}
+
+proc display-note-infos {} {
+    global note_infos note_missings notes
+
+    set nmissing [llength $note_missings]
+    debug "display-note-infos $nmissing [array size notes]"
+
+    if {[llength $note_infos]} {
+	set tiny "[llength $note_infos] warnings"
+    } elseif {$nmissing && [array size notes]} {
+	set tiny "$nmissing missing"
+    } else {
+	return
+    }
+
+    set infodata {}
+
+    foreach info $note_infos {
+	manyset $info lno vid name description
+	append infodata "vessel"
+	append infodata " $vid"
+	if {[string length $name]} { append infodata " $name" }
+	append infodata ": " $description "\n"
+    }
+
+    if {$nmissing} {
+	append infodata "$nmissing vessels not mentioned in notes:\n"
+	set last_island {}
+	foreach info [lsort $note_missings] {
+	    manyset $info island name vid
+	    if {[string compare $island $last_island]} {
+		append infodata "# $island:\n"
+		set last_island $island
+	    }
+	    append infodata [format "%-9d %-29s =\n" $vid $name]
 	}
-	set kk "$vi(islandName) $abbrev"
-	upvar #0 count($kk) k
-	if {![info exists k]} { set k 0 }
-	incr k
+    }
+
+    parser-control-failed-core .ctrl.notes notes \
+	white blue 0 \
+	$tiny \
+	"[llength $note_infos] warnings;\
+         $nmissing vessels missing" \
+	"Full description of warnings and missing vessels:" \
+	$infodata
 }
 
-set cl [open clipboard]
-while {[gets $cl l] >= 0} {
-#	puts "========"
+#---------- loading and parsing the clipboard (vessel locations) ----------
+
+proc vessel {vin} {
+    global pirate notes_used note_missings newnotes
+    upvar 1 $vin vi
+    switch -exact [errexpect-arrayget vi vesselClass] {
+	smsloop		{ set sz 00sl }
+	lgsloop		{ set sz 01ct }
+	dhow		{ set sz 02dh }
+	longship	{ set sz 03ls }
+	baghlah		{ set sz 04bg }
+	merchbrig	{ set sz 05mb }
+	warbrig		{ set sz 06wb }
+	xebec		{ set sz 07xe }
+	warfrig		{ set sz 08wf }
+	merchgal	{ set sz 09mg }
+	grandfrig	{ set sz 10gf }
+	default		{ errexpect-error "unknown class" }
+    }
+    set abbrev $sz
+    switch -exact [errexpect-arrayget vi vesselSubclass] {
+	null		{ }
+	icy		{ append abbrev F }
+	default		{ errexpect-error "unknown subclass ?" }
+    }
+    switch -exact [errexpect-arrayget vi isLocked]/[ \
+                   errexpect-arrayget vi isBattleReady] {
+	true/false	{ append abbrev 2- }
+	false/false	{ append abbrev 1+ }
+	false/true	{ append abbrev 0* }
+	default		{ errexpect-error "unexpected isLocked/isBattleReady" }
+    }
+    switch -exact [errexpect-arrayget vi inPort] {
+	true		{ }
+	false		{ append abbrev ? }
+	default		{ errexpect-error "unexpected inPort" }
+    }
+    set vid [errexpect-arrayget vi vesselId]
+    upvar #0 notes($vid) note
+    set realname [errexpect-arrayget vi vesselName]
+    set island [errexpect-arrayget vi islandName]
+
+    set owner {}
+    set xabbrev {}
+    if {[info exists note]} {
+	manyset $note lno notename owner xabbrev
+	if {[string compare -nocase $realname $notename]} {
+	    note-info $lno $vid $realname \
+		"notes say name is $notename - perhaps renamed"
+	}
+	if {[string length $owner]} {
+	    if {![string compare $owner $pirate]} {
+		append abbrev =
+	    } else {
+		append abbrev -
+	    }
+	}
+	append abbrev $xabbrev
+	set notes_used($vid) 1
+
+    } else {
+	lappend note_missings [list $island $realname $vid]
+    }
+    lappend newnotes [list $vid $realname $owner $xabbrev]
+    
+    set kk "$island $abbrev"
+    upvar #0 count($kk) k
+    if {![info exists k]} { set k 0 }
+    incr k
+}
+
+set clipboard {}
+proc parse-clipboard {} {
+    global clipboard count notes notes_used newnotes
+
+    catch { unset count }
+    catch { unset notes_used }
+    glset note_infos {}
+    glset note_missings {}
+
+    set newnotes {}
+    
+    set itemre { (\w+) = ([^=]*) }
+    set manyitemre "^\\\[ $itemre ( (?: ,\\ $itemre)* ) \\]\$"
+    debug $manyitemre
+
+    set lno 0
+    foreach l [split $clipboard "\n"] {
+	incr lno
+	errexpect-setline $lno $l
+	if {![string length $l]} continue
 	catch { unset vi }
 	while 1 {
 		if {![regexp -expanded $manyitemre $l dummy \
-			thiskey thisval rhs]} { error "$l ?" }
-#		puts "KEY $thiskey VAL $thisval"
+			thiskey thisval rhs]} {
+		    errexpect-error "badly formatted"
+		}
 		set vi($thiskey) $thisval
 		if {![string length $rhs]} break
 		regsub {^, } $rhs {} rhs
 		set l "\[$rhs\]"
 	}
 	vessel vi
+    }
+
+    if {[llength $newnotes]} {
+	foreach vid [lsort [array names notes]] {
+	    if {![info exists notes_used($vid)]} {
+		manyset $notes($vid) lno notename
+		note-info $lno $vid $notename \
+		    "vessel in notes no longer found"
+	    }
+	}
+    }
 }
-close $cl
 
-set chart [exec perl -we {
+proc load-clipboard-file {fn} {
+    set f [open $fn]
+    glset clipboard [read $f]
+    close $f
+}
+
+
+#---------- loading and parsing the chart ----------
+
+proc load-chart {} {
+    global chart scraper
+    debug "FETCHING CHART"
+    set chart [eval exec $scraper [list | perl -we {
 	use strict;
 	use CommodsScrape;
 	use IO::File;
@@ -112,14 +372,9 @@ set chart [exec perl -we {
 		sub { printf STDERR "warning: %s: incomprehensible: %s", @_; }
 			);
 	STDOUT->error and die $!;
-}]
+    }]]
+}
 
-frame .f -border 1 -relief groove
-set canvas .f.c
-canvas $canvas
-#$canvas configure -width 1000 -height 800
-pack $canvas -expand 1 -fill both
-pack .f -expand 1 -fill both -side left
 
 set scale 16
 
@@ -130,7 +385,7 @@ proc coord {c} {
 
 proc chart-got/archlabel {args} { }
 proc chart-got/island {x y args} {
-#	puts "ISLE $x $y $args"
+#	debug "ISLE $x $y $args"
 	global canvas isleloc
 	set isleloc($args) [list $x $y]
 	set sz 5
@@ -142,7 +397,7 @@ proc chart-got/island {x y args} {
 		-text $args -anchor s
 }
 proc chart-got/league {x1 y1 x2 y2 kind} {
-#	puts "LEAGUE $x1 $y1 $x2 $y2 $kind"
+#	debug "LEAGUE $x1 $y1 $x2 $y2 $kind"
 	global canvas
 	set l [$canvas create line \
 		[coord $x1] [coord $y1] \
@@ -155,8 +410,10 @@ proc chart-got/league {x1 y1 x2 y2 kind} {
 proc draw {} {
     global chart count isleloc canvas
     
+    $canvas delete all
+
     foreach l [split $chart "\n"] {
-#	puts "CHART-GOT $l"
+#	debug "CHART-GOT $l"
 	set proc [lindex $l 0]
 	eval chart-got/$proc [lrange $l 1 end]
     }
@@ -164,14 +421,14 @@ proc draw {} {
     set lastislandname {}
     foreach key [lsort [array names count]] {
 	set c $count($key)
-#	puts "SHOWING $key $c"
+#	debug "SHOWING $key $c"
 	regexp {^(.*) (\S+)$} $key dummy islandname abbrev
 	if {[string compare $lastislandname $islandname]} {
 		manyset $isleloc($islandname) x y
 		set x [coord $x]
 		set y [coord $y]
 		set lastislandname $islandname
-#		puts "START Y $y"
+#		debug "START Y $y"
 	}
 	set text $abbrev
 	regsub -all {[0-9]} $text {} text
@@ -187,42 +444,256 @@ proc draw {} {
 	set bid [eval $canvas create rectangle $bbox -fill white]
 	$canvas lower $bid $id
 	manyset $bbox dummy dummy dummy y
-#	puts "NEW Y $y"
+#	debug "NEW Y $y"
     }
+
+    panner::updatecanvas-bbox .ctrl.pan
 }
 
-draw
 
-foreach nk [lsort [array names $note]] {
-	puts "IGNORED NOTE $nk"
+#---------- parser error reporting ----------
+
+proc parser-control-create {w base invokebuttontext etl_title} {
+    frame $w
+    button $w.do -text $invokebuttontext -command invoke_$base
+
+    frame $w.resframe -width 120 -height 32
+    button $w.resframe.res -text {} -anchor nw \
+	-padx 1 -pady 1 -borderwidth 0 -justify left
+    glset deffont_$base [$w.resframe.res cget -font]
+    place $w.resframe.res -relx 0.5 -y 0 -anchor n
+
+    pack $w.do -side top
+    pack $w.resframe -side top -expand y -fill both
+
+    set eb .err_$base
+    toplevel $eb
+    wm withdraw $eb
+    wm title $eb "where-vessels - $etl_title"
+
+    label $eb.title -text $etl_title
+    pack $eb.title -side top
+
+    button $eb.close -text Close -command [list wm withdraw $eb]
+    pack $eb.close -side bottom
+
+    frame $eb.emsg -bd 2 -relief groove
+    label $eb.emsg.lab -text "Error:"
+    text $eb.emsg.text -height 1
+    pack $eb.emsg.text -side bottom
+    pack $eb.emsg.lab -side left
+
+    pack $eb.emsg -side top -pady 2
+
+    frame $eb.text -bd 2 -relief groove
+    pack $eb.text -side bottom -pady 2
+    
+    label $eb.text.lab
+
+    text $eb.text.text -width 85 \
+	-xscrollcommand [list $eb.text.xscroll set] \
+	-yscrollcommand [list $eb.text.yscroll set]
+    $eb.text.text tag configure error \
+	-background red -foreground white
+
+    scrollbar $eb.text.xscroll -orient horizontal \
+	-command [list $eb.text.text xview]
+    scrollbar $eb.text.yscroll -orient vertical \
+	-command [list $eb.text.text yview]
+
+    grid configure $eb.text.lab -row 0 -column 0 -sticky w
+    grid configure $eb.text.text -row 1 -column 0
+    grid configure $eb.text.yscroll -sticky ns -row 1 -column 1
+    grid configure $eb.text.xscroll -sticky ew -row 2 -column 0
+}
+
+proc parser-control-ok-core {w base background show} {
+    debug "parser-control-ok-core $w $base $background $show"
+    upvar #0 deffont_$base deffont
+    $w.resframe.res configure \
+	-background $background -disabledforeground black -font $deffont \
+	-state disabled -command {} \
+	-text $show
+}    
+proc parser-control-ok {w base show} {
+    parser-control-ok-core $w $base green $show
+}
+proc parser-control-none {w base show} {
+    parser-control-ok-core $w $base blue $show
+}
+proc parser-control-failed-core {w base foreground background smallfont
+				 tiny summary fulldesc fulldata} {
+    debug "parser-control-failed-core $w $base $summary $fulldesc"
+    upvar #0 deffont_$base deffont
+    set eb .err_$base
+
+    $eb.emsg.text delete 0.0 end
+    $eb.emsg.text insert end $summary
+
+    $eb.text.lab configure -text $fulldesc
+    $eb.text.text delete 0.0 end
+    $eb.text.text insert end $fulldata
+
+    regsub -all {.{18}} $tiny "&\n" ewrap
+
+    if {$smallfont} {
+	set font fixed
+    } else {
+	set font $deffont
+    }
+
+    $w.resframe.res configure \
+	-background $background -foreground $foreground -font $font \
+	-state normal -command [list wm deiconify $eb] \
+	-text $ewrap
+}
+    
+proc parser-control-failed-expected {w base emsg lno ei fulldesc newdata} {
+    set eb .err_$base
+
+    set line [lindex [split $ei "\n"] 0]
+    debug "parser-control-failed-expected: $w $base: $lno: $emsg\n $line"
+
+    parser-control-failed-core $w $base \
+	white red 1 \
+	"err: [string trim $emsg]: \"$line\"" \
+	"at line $lno: $emsg" \
+	$fulldesc $newdata
+
+    $eb.text.text tag add error $lno.0 $lno.end
+    $eb.text.text see $lno.0	
+}
+proc parser-control-failed-unexpected {w base emsg ei} {
+    global errorInfo
+    parser-control-failed-core $w $base \
+	black yellow 1 \
+	$emsg $emsg "Details and stack trace:" $ei
 }
 
-frame .ctrl
-pack .ctrl -side right
+proc reparse {base varname old fulldesc okshow noneshow parse ok} {
+    upvar #0 $varname var
+    manyset [errexpect-catch {
+	uplevel 1 $parse
+	if {[string length [string trim $var]]} {
+	    parser-control-ok .ctrl.$base $base $okshow
+	} else {
+	    parser-control-none .ctrl.$base $base $noneshow
+	}
+    }] failed emsg lno ei
+    if {$failed} {
+	parser-control-failed-expected .ctrl.$base $base \
+	    $emsg $lno $ei $fulldesc $var
+	set var $old
+	uplevel 1 $parse
+    } else {
+	uplevel 1 $ok
+    }
+}
+
+#---------- main user interface ----------
+
+proc widgets-setup {} {
+    global canvas debug pirate ocean
 
-panner::canvas-scroll-bbox .f.c
-panner::create .ctrl.pan .f.c 120 120
+    frame .f -border 1 -relief groove
+    set canvas .f.c
+    canvas $canvas
+    pack $canvas -expand 1 -fill both
+    pack .f -expand 1 -fill both -side left
 
-pack .ctrl.pan -side top -pady 10 -padx 5
-frame .ctrl.zoom
-pack .ctrl.zoom -side top
+    frame .ctrl
+    pack .ctrl -side right
+
+    debug "BBOX [$canvas bbox all]"
+
+    panner::canvas-scroll-bbox .f.c
+    panner::create .ctrl.pan .f.c 120 120 $debug
+
+    pack .ctrl.pan -side top -pady 10 -padx 5
+    frame .ctrl.zoom
+    pack .ctrl.zoom -side top
+
+    button .ctrl.zoom.out -text - -font {Courier 16} -command {zoom /2}
+    button .ctrl.zoom.in  -text + -font {Courier 16} -command {zoom *2}
+    pack .ctrl.zoom.out .ctrl.zoom.in -side left
+
+    parser-control-create .ctrl.acquire \
+	acquire Acquire \
+	"Clipboard parsing error" \
+	
+    pack .ctrl.acquire -side top -pady 2
+
+    parser-control-create .ctrl.notes \
+	notes "Reload notes" \
+	"Vessel notes loading report" \
+	
+    pack .ctrl.notes -side top -pady 2
+
+    wm geometry . 1024x480
+    wm title . "where-vessels - $pirate on the $ocean ocean"
+}
 
 proc zoom {extail} {
     global scale canvas
     set nscale [expr "\$scale $extail"]
-    puts "ZOOM $scale $nscale"
+    debug "ZOOM $scale $nscale"
     if {$nscale < 1 || $nscale > 200} return
     set scale $nscale
-    $canvas delete all
     draw
-    panner::updatecanvas-bbox .ctrl.pan
 }
 
-button .ctrl.zoom.out -text - -font {Courier 16} -command {zoom /2}
-button .ctrl.zoom.in  -text + -font {Courier 16} -command {zoom *2}
-pack .ctrl.zoom.out .ctrl.zoom.in -side left
+proc invoke_acquire {} {
+    global clipboard errorInfo
+    set old $clipboard
+
+    if {[catch {
+	set clipboard [clipboard get]
+    } emsg]} {
+	parser-control-failed-unexpected .ctrl.acquire acquire \
+	    $emsg "fetching clipboard:\n\n$errorInfo"
+	return
+    }
 
-#. configure -width 640 -height 480
-wm geometry . 1024x480
+    reparse acquire \
+	clipboard $old "Clipboard contents:" { acquired ok } { no vessels } {
+	    parse-clipboard
+	} {
+	    display-note-infos
+	}
+    draw
+}
+
+proc invoke_notes {} {
+    global notes_data errorInfo notes_loc
+    set old $notes_data
+    
+    if {[catch {
+	load-notes
+    } emsg]} {
+	parser-control-failed-unexpected .ctrl.notes notes \
+	    $emsg "loading $notes_loc:\n\n$errorInfo"
+	return
+    }
 
-#puts "[$canvas bbox all]"
+    reparse notes \
+	notes_data $old "Vessel notes:" "loaded ok" { no notes } {
+	    parse-notes
+	    parse-clipboard
+	} {
+	    display-note-infos
+	}
+    draw
+}
+
+#---------- main program ----------
+
+parseargs
+argdefaults
+httpclientsetup where-vessels
+load-chart
+widgets-setup
+
+set notes_data {}
+after idle invoke_notes
+
+draw