gitk: Highlight paths of interest in tree view as well

With this, when the file list window is in tree view mode, we highlight
the paths of interest.

Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/gitk b/gitk
index 5201332..2e04504 100755 (executable)
--- a/gitk
+++ b/gitk
@@ -950,7 +950,7 @@ proc treeview {w l openlevs} {
                $w insert end $str
                $w image create end -align center -image $bm -padx 1 \
                    -name a:$ix
-               $w insert end $d
+               $w insert end $d [highlight_tag $prefix]
                $w mark set s:$ix "end -1c"
                $w mark gravity s:$ix left
            }
@@ -962,7 +962,7 @@ proc treeview {w l openlevs} {
                set str "\n"
                for {set i 0} {$i < $lev} {incr i} {append str "\t"}
                $w insert end $str
-               $w insert end $tail
+               $w insert end $tail [highlight_tag $f]
            }
            lappend treecontents($prefix) $tail
        }
@@ -999,6 +999,22 @@ proc linetoelt {l} {
     }
 }
 
+proc highlight_tree {y prefix} {
+    global treeheight treecontents cflist
+
+    foreach e $treecontents($prefix) {
+       set path $prefix$e
+       if {[highlight_tag $path] ne {}} {
+           $cflist tag add bold $y.0 "$y.0 lineend"
+       }
+       incr y
+       if {[string index $e end] eq "/" && $treeheight($path) > 1} {
+           set y [highlight_tree $y $path]
+       }
+    }
+    return $y
+}
+
 proc treeclosedir {w dir} {
     global treediropen treeheight treeparent treeindex
 
@@ -1032,8 +1048,8 @@ proc treeopendir {w dir} {
        incr treeheight($x) $n
     }
     foreach e $treecontents($dir) {
+       set de $dir$e
        if {[string index $e end] eq "/"} {
-           set de $dir$e
            set iy $treeindex($de)
            $w mark set d:$iy e:$ix
            $w mark gravity d:$iy left
@@ -1041,13 +1057,13 @@ proc treeopendir {w dir} {
            set treediropen($de) 0
            $w image create e:$ix -align center -image tri-rt -padx 1 \
                -name a:$iy
-           $w insert e:$ix $e
+           $w insert e:$ix $e [highlight_tag $de]
            $w mark set s:$iy e:$ix
            $w mark gravity s:$iy left
            set treeheight($de) 1
        } else {
            $w insert e:$ix $str
-           $w insert e:$ix $e
+           $w insert e:$ix $e [highlight_tag $de]
        }
     }
     $w mark gravity e:$ix left
@@ -1155,11 +1171,10 @@ proc highlight_tag {f} {
 }
 
 proc highlight_filelist {} {
-    global flistmode cflist
+    global cmitmode cflist
 
-    global highlight_paths
-    if {$flistmode eq "flat"} {
-       $cflist conf -state normal
+    $cflist conf -state normal
+    if {$cmitmode ne "tree"} {
        set end [lindex [split [$cflist index end] .] 0]
        for {set l 2} {$l < $end} {incr l} {
            set line [$cflist get $l.0 "$l.0 lineend"]
@@ -1167,35 +1182,33 @@ proc highlight_filelist {} {
                $cflist tag add bold $l.0 "$l.0 lineend"
            }
        }
-       $cflist conf -state disabled
+    } else {
+       highlight_tree 2 {}
     }
+    $cflist conf -state disabled
 }
 
 proc unhighlight_filelist {} {
-    global flistmode cflist
+    global cflist
 
-    if {$flistmode eq "flat"} {
-       $cflist conf -state normal
-       $cflist tag remove bold 1.0 end
-       $cflist conf -state disabled
-    }
+    $cflist conf -state normal
+    $cflist tag remove bold 1.0 end
+    $cflist conf -state disabled
 }
 
 proc add_flist {fl} {
-    global flistmode cflist
+    global cflist
 
-    if {$flistmode eq "flat"} {
-       $cflist conf -state normal
-       foreach f $fl {
-           $cflist insert end "\n"
-           $cflist insert end $f [highlight_tag $f]
-       }
-       $cflist conf -state disabled
+    $cflist conf -state normal
+    foreach f $fl {
+       $cflist insert end "\n"
+       $cflist insert end $f [highlight_tag $f]
     }
+    $cflist conf -state disabled
 }
 
 proc sel_flist {w x y} {
-    global flistmode ctext difffilestart cflist cflist_top cmitmode
+    global ctext difffilestart cflist cflist_top cmitmode
 
     if {$cmitmode eq "tree"} return
     if {![info exists cflist_top]} return
@@ -5180,7 +5193,6 @@ set fastdate 0
 set uparrowlen 7
 set downarrowlen 7
 set mingaplen 30
-set flistmode "flat"
 set cmitmode "patch"
 
 set colors {green red blue magenta darkgrey brown orange}