proc makeuparrow {oid y x} {
global rowidlist uparrowlen idrowranges displayorder
- for {set i 1} {$i < $uparrowlen && $y > 1} {incr i} {
+ for {set i 0} {$i < $uparrowlen && $y > 1} {incr i} {
incr y -1
set idl [lindex $rowidlist $y]
set x [idcol $idl $oid $x]
global rowidlist
set pad [ntimes $npad {}]
- lset rowidlist $row [eval linsert [list [lindex $rowidlist $row]] $col $pad]
+ set idlist [lindex $rowidlist $row]
+ set bef [lrange $idlist 0 [expr {$col - 1}]]
+ set aft [lrange $idlist $col end]
+ set i [lsearch -exact $aft {}]
+ if {$i > 0} {
+ set aft [lreplace $aft $i $i]
+ }
+ lset rowidlist $row [concat $bef $pad $aft]
}
proc optimize_rows {row col endrow} {
set isarrow 1
}
}
+ if {!$isarrow && $id ne [lindex $displayorder $row] &&
+ [lsearch -exact [lindex $rowidlist [expr {$row+1}]] $id] < 0} {
+ set isarrow 1
+ }
# Looking at lines from this row to the previous row,
# make them go straight up if they end in an arrow on
# the previous row; otherwise make them go straight up
# Line currently goes right too much;
# insert pads in this line
set npad [expr {$z - 1 + $isarrow}]
- set pad [ntimes $npad {}]
- set idlist [eval linsert \$idlist $col $pad]
+ insert_pad $row $col $npad
+ set idlist [lindex $rowidlist $row]
incr col $npad
set z [expr {$x0 - $col}]
set haspad 1
return $linenos
}
-# work around tk8.4 refusal to draw arrows on diagonal segments
-proc adjarrowhigh {coords} {
- global linespc
-
- set x0 [lindex $coords 0]
- set x1 [lindex $coords 2]
- if {$x0 != $x1} {
- set y0 [lindex $coords 1]
- set y1 [lindex $coords 3]
- if {$y0 - $y1 <= 2 * $linespc && $x1 == [lindex $coords 4]} {
- # we have a nearby vertical segment, just trim off the diag bit
- set coords [lrange $coords 2 end]
- } else {
- set slope [expr {($x0 - $x1) / ($y0 - $y1)}]
- set xi [expr {$x0 - $slope * $linespc / 2}]
- set yi [expr {$y0 - $linespc / 2}]
- set coords [lreplace $coords 0 1 $xi $y0 $xi $yi]
- }
- }
- return $coords
-}
-
proc drawlineseg {id row endrow arrowlow} {
global rowidlist displayorder iddrawn linesegs
- global canv colormap linespc curview maxlinelen
+ global canv colormap linespc curview maxlinelen parentlist
set cols [list [lsearch -exact [lindex $rowidlist $row] $id]]
set le [expr {$row + 1}]
set itl [lindex $lines [expr {$i-1}] 2]
set al [$canv itemcget $itl -arrow]
set arrowlow [expr {$al eq "last" || $al eq "both"}]
- } elseif {$arrowlow &&
- [lsearch -exact [lindex $rowidlist [expr {$row-1}]] $id] >= 0} {
- set arrowlow 0
+ } elseif {$arrowlow} {
+ if {[lsearch -exact [lindex $rowidlist [expr {$row-1}]] $id] >= 0 ||
+ [lsearch -exact [lindex $parentlist [expr {$row-1}]] $id] >= 0} {
+ set arrowlow 0
+ }
}
set arrow [lindex {none first last both} [expr {$arrowhigh + 2*$arrowlow}]]
for {set y $le} {[incr y -1] > $row} {} {
set xc [lsearch -exact [lindex $rowidlist $row] $ch]
if {$xc < 0} {
puts "oops: drawlineseg: child $ch not on row $row"
- } else {
- if {$xc < $x - 1} {
+ } elseif {$xc != $x} {
+ if {($arrowhigh && $le == $row + 1) || $dir == 0} {
+ set d [expr {int(0.5 * $linespc)}]
+ set x1 [xc $row $x]
+ if {$xc < $x} {
+ set x2 [expr {$x1 - $d}]
+ } else {
+ set x2 [expr {$x1 + $d}]
+ }
+ set y2 [yc $row]
+ set y1 [expr {$y2 + $d}]
+ lappend coords $x1 $y1 $x2 $y2
+ } elseif {$xc < $x - 1} {
lappend coords [xc $row [expr {$x-1}]] [yc $row]
} elseif {$xc > $x + 1} {
lappend coords [xc $row [expr {$x+1}]] [yc $row]
} else {
set xn [xc $row $xp]
set yn [yc $row]
- # work around tk8.4 refusal to draw arrows on diagonal segments
- if {$arrowlow && $xn != [lindex $coords end-1]} {
- if {[llength $coords] < 4 ||
- [lindex $coords end-3] != [lindex $coords end-1] ||
- [lindex $coords end] - $yn > 2 * $linespc} {
- set xn [xc $row [expr {$xp - 0.5 * $dir}]]
- set yo [yc [expr {$row + 0.5}]]
- lappend coords $xn $yo $xn $yn
- }
- } else {
- lappend coords $xn $yn
- }
+ lappend coords $xn $yn
}
if {!$joinhigh} {
- if {$arrowhigh} {
- set coords [adjarrowhigh $coords]
- }
assigncolor $id
set t [$canv create line $coords -width [linewidth $id] \
-fill $colormap($id) -tags lines.$id -arrow $arrow]
set coords [concat $coords $clow]
if {!$joinhigh} {
lset lines [expr {$i-1}] 1 $le
- if {$arrowhigh} {
- set coords [adjarrowhigh $coords]
- }
} else {
# coalesce two pieces
$canv delete $ith
set x [xc $row $col]
set y [yc $row]
set y2 [yc $row2]
- set d [expr {int(0.4 * $linespc)}]
+ set d [expr {int(0.5 * $linespc)}]
set ymid [expr {$y + $d}]
set ids [lindex $rowidlist $row2]
# rmx = right-most X coord used