drawcmitrow $r
if {$r == $er} break
set nextid [lindex $displayorder [expr {$r + 1}]]
- if {$wasdrawn && [info exists iddrawn($nextid)]} {
- catch {unset prevlines}
- continue
- }
+ if {$wasdrawn && [info exists iddrawn($nextid)]} continue
drawparentlinks $id $r
- if {[info exists lineends($r)]} {
- foreach lid $lineends($r) {
- unset prevlines($lid)
- }
- }
set rowids [lindex $rowidlist $r]
foreach lid $rowids {
if {$lid eq {}} continue
+ if {[info exists lineend($lid)] && $lineend($lid) > $r} continue
if {$lid eq $id} {
# see if this is the first child of any of its parents
foreach p [lindex $parentlist $r] {
if {[lsearch -exact $rowids $p] < 0} {
# make this line extend up to the child
- set le [drawlineseg $p $r $er 0]
- lappend lineends($le) $p
- set prevlines($p) 1
+ set lineend($p) [drawlineseg $p $r $er 0]
}
}
- } elseif {![info exists prevlines($lid)]} {
- set le [drawlineseg $lid $r $er 1]
- lappend lineends($le) $lid
- set prevlines($lid) 1
+ } else {
+ set lineend($lid) [drawlineseg $lid $r $er 1]
}
}
}