diff options
-rwxr-xr-x | gitk | 34 |
1 files changed, 27 insertions, 7 deletions
@@ -3363,7 +3363,7 @@ proc drawlineseg {id row endrow arrowlow} { proc drawparentlinks {id row} { global rowidlist canv colormap curview parentlist - global idpos + global idpos linespc set rowids [lindex $rowidlist $row] set col [lsearch -exact $rowids $id] @@ -3373,6 +3373,8 @@ proc drawparentlinks {id row} { set x [xc $row $col] set y [yc $row] set y2 [yc $row2] + set d [expr {int(0.4 * $linespc)}] + set ymid [expr {$y + $d}] set ids [lindex $rowidlist $row2] # rmx = right-most X coord used set rmx 0 @@ -3386,19 +3388,37 @@ proc drawparentlinks {id row} { if {$x2 > $rmx} { set rmx $x2 } - if {[lsearch -exact $rowids $p] < 0} { + set j [lsearch -exact $rowids $p] + if {$j < 0} { # drawlineseg will do this one for us continue } assigncolor $p # should handle duplicated parents here... set coords [list $x $y] - if {$i < $col - 1} { - lappend coords [xc $row [expr {$i + 1}]] $y - } elseif {$i > $col + 1} { - lappend coords [xc $row [expr {$i - 1}]] $y + if {$i != $col} { + # if attaching to a vertical segment, draw a smaller + # slant for visual distinctness + if {$i == $j} { + if {$i < $col} { + lappend coords [expr {$x2 + $d}] $y $x2 $ymid + } else { + lappend coords [expr {$x2 - $d}] $y $x2 $ymid + } + } elseif {$i < $col && $i < $j} { + # segment slants towards us already + lappend coords [xc $row $j] $y + } else { + if {$i < $col - 1} { + lappend coords [expr {$x2 + $linespc}] $y + } elseif {$i > $col + 1} { + lappend coords [expr {$x2 - $linespc}] $y + } + lappend coords $x2 $y2 + } + } else { + lappend coords $x2 $y2 } - lappend coords $x2 $y2 set t [$canv create line $coords -width [linewidth $p] \ -fill $colormap($p) -tags lines.$p] $canv lower $t |