#----------------------------------------------------------------------
# Eskil, Map
#
# Copyright (c) 1998-2005, Peter Spjuth (peter.spjuth@gmail.com)
#
# 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 2 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; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
#----------------------------------------------------------------------
# $Revision$
#----------------------------------------------------------------------
proc createMap {top} {
global Pref
set w $top.c_map
if {$Pref(wideMap)} {
set width 20
} else {
set width 6
}
canvas $w -width $width -borderwidth 0 -selectborderwidth 0 \
-highlightthickness 0 -height 10
set map [image create photo map$top]
$w create image 0 0 -anchor nw -image $map
bind $w <Destroy> [list image delete $map]
bind $w <Configure> [list drawMap $top %h]
bind $w <Button-2> [list ThumbMap $top %y]
return $w
}
proc clearMap {top} {
set ::eskil($top,changes) {}
set ::eskil($top,mapMax) 0
drawMap $top -1
}
proc addChange {top n tag line1 n1 line2 n2} {
if {$tag ne ""} {
lappend ::eskil($top,changes) [list $::eskil($top,mapMax) $n \
$tag $line1 $n1 $line2 $n2]
}
incr ::eskil($top,mapMax) $n
}
proc addMapLines {top n} {
incr ::eskil($top,mapMax) $n
}
proc drawMap {top newh} {
global Pref
set oldh [map$top cget -height]
if {$oldh == $newh} return
map$top blank
if {![info exists ::eskil($top,changes)] || \
[llength $::eskil($top,changes)] == 0} return
set w [winfo width $top.c_map]
set h [winfo height $top.c_map]
set x2 [expr {$w - ($Pref(wideMap) ? 5 : 1)}]
if {$x2 < 0} { set x2 0 }
map$top configure -width $w -height $h
incr h -1
set y0 0
foreach change $::eskil($top,changes) {
lassign $change start length type
set y1 [expr {$start * $h / $::eskil($top,mapMax) + 1}]
if {!$y0} { set y0 $y1 } ;# Record first occurance
if {$y1 < 1} {set y1 1}
if {$y1 > $h} {set y1 $h}
set y2 [expr {($start + $length) * $h / $::eskil($top,mapMax) + 1}]
if {$y2 < 1} {set y2 1}
if {$y2 <= $y1} {set y2 [expr {$y1 + 1}]}
if {$y2 > $h} {set y2 $h}
incr y2
map$top put $Pref(color$type) -to 1 $y1 $x2 $y2
}
if {$Pref(wideMap)} {
map$top put black -to $x2 $y0 $w $y2
}
}
# Allow button 2 on map to jump to a position
proc ThumbMap {top y} {
incr y 15
::tk::ScrollButton2Down $top.sby 0 $y
}