+proc vrel_change {name ix op} {
+ global highlight_related
+
+ rhighlight_none
+ if {$highlight_related ne "None"} {
+ after idle drawvisible
+ }
+}
+
+# prepare for testing whether commits are descendents or ancestors of a
+proc rhighlight_sel {a} {
+ global descendent desc_todo ancestor anc_todo
+ global highlight_related rhighlights
+
+ catch {unset descendent}
+ set desc_todo [list $a]
+ catch {unset ancestor}
+ set anc_todo [list $a]
+ if {$highlight_related ne "None"} {
+ rhighlight_none
+ after idle drawvisible
+ }
+}
+
+proc rhighlight_none {} {
+ global rhighlights
+
+ catch {unset rhighlights}
+ unbolden
+}
+
+proc is_descendent {a} {
+ global curview children commitrow descendent desc_todo
+
+ set v $curview
+ set la $commitrow($v,$a)
+ set todo $desc_todo
+ set leftover {}
+ set done 0
+ for {set i 0} {$i < [llength $todo]} {incr i} {
+ set do [lindex $todo $i]
+ if {$commitrow($v,$do) < $la} {
+ lappend leftover $do
+ continue
+ }
+ foreach nk $children($v,$do) {
+ if {![info exists descendent($nk)]} {
+ set descendent($nk) 1
+ lappend todo $nk
+ if {$nk eq $a} {
+ set done 1
+ }
+ }
+ }
+ if {$done} {
+ set desc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]]
+ return
+ }
+ }
+ set descendent($a) 0
+ set desc_todo $leftover
+}
+
+proc is_ancestor {a} {
+ global curview parentlist commitrow ancestor anc_todo
+
+ set v $curview
+ set la $commitrow($v,$a)
+ set todo $anc_todo
+ set leftover {}
+ set done 0
+ for {set i 0} {$i < [llength $todo]} {incr i} {
+ set do [lindex $todo $i]
+ if {![info exists commitrow($v,$do)] || $commitrow($v,$do) > $la} {
+ lappend leftover $do
+ continue
+ }
+ foreach np [lindex $parentlist $commitrow($v,$do)] {
+ if {![info exists ancestor($np)]} {
+ set ancestor($np) 1
+ lappend todo $np
+ if {$np eq $a} {
+ set done 1
+ }
+ }
+ }
+ if {$done} {
+ set anc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]]
+ return
+ }
+ }
+ set ancestor($a) 0
+ set anc_todo $leftover
+}
+
+proc askrelhighlight {row id} {
+ global descendent highlight_related iddrawn mainfont rhighlights
+ global selectedline ancestor
+
+ if {![info exists selectedline]} return
+ set isbold 0
+ if {$highlight_related eq "Descendent" ||
+ $highlight_related eq "Not descendent"} {
+ if {![info exists descendent($id)]} {
+ is_descendent $id
+ }
+ if {$descendent($id) == ($highlight_related eq "Descendent")} {
+ set isbold 1
+ }
+ } elseif {$highlight_related eq "Ancestor" ||
+ $highlight_related eq "Not ancestor"} {
+ if {![info exists ancestor($id)]} {
+ is_ancestor $id
+ }
+ if {$ancestor($id) == ($highlight_related eq "Ancestor")} {
+ set isbold 1
+ }
+ }
+ if {[info exists iddrawn($id)]} {
+ if {$isbold && ![ishighlighted $row]} {
+ bolden $row [concat $mainfont bold]
+ }
+ }
+ set rhighlights($row) $isbold
+}
+
+proc next_hlcont {} {
+ global fhl_row fhl_dirn displayorder numcommits
+ global vhighlights fhighlights nhighlights rhighlights
+ global hlview filehighlight findstring highlight_related
+
+ if {![info exists fhl_dirn] || $fhl_dirn == 0} return
+ set row $fhl_row
+ while {1} {
+ if {$row < 0 || $row >= $numcommits} {
+ bell
+ set fhl_dirn 0
+ return
+ }
+ set id [lindex $displayorder $row]
+ if {[info exists hlview]} {
+ if {![info exists vhighlights($row)]} {
+ askvhighlight $row $id
+ }
+ if {$vhighlights($row) > 0} break
+ }
+ if {$findstring ne {}} {
+ if {![info exists nhighlights($row)]} {
+ askfindhighlight $row $id
+ }
+ if {$nhighlights($row) > 0} break
+ }
+ if {$highlight_related ne "None"} {
+ if {![info exists rhighlights($row)]} {
+ askrelhighlight $row $id
+ }
+ if {$rhighlights($row) > 0} break
+ }
+ if {[info exists filehighlight]} {
+ if {![info exists fhighlights($row)]} {
+ # ask for a few more while we're at it...
+ set r $row
+ for {set n 0} {$n < 100} {incr n} {
+ if {![info exists fhighlights($r)]} {
+ askfilehighlight $r [lindex $displayorder $r]
+ }
+ incr r $fhl_dirn
+ if {$r < 0 || $r >= $numcommits} break
+ }
+ flushhighlights
+ }
+ if {$fhighlights($row) < 0} {
+ set fhl_row $row
+ return
+ }
+ if {$fhighlights($row) > 0} break
+ }
+ incr row $fhl_dirn
+ }
+ set fhl_dirn 0
+ selectline $row 1
+}
+
+proc next_highlight {dirn} {
+ global selectedline fhl_row fhl_dirn
+ global hlview filehighlight findstring highlight_related
+
+ if {![info exists selectedline]} return
+ if {!([info exists hlview] || $findstring ne {} ||
+ $highlight_related ne "None" || [info exists filehighlight])} return
+ set fhl_row [expr {$selectedline + $dirn}]
+ set fhl_dirn $dirn
+ next_hlcont
+}
+
+proc cancel_next_highlight {} {
+ global fhl_dirn
+
+ set fhl_dirn 0
+}
+
projects / git.git / blobdiff