gitk: Allow diff view without context lines

Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/gitk b/gitk
index 72b0b0df7a6dc77b82bbdb6cc1635433d02a6b71..4604c831fe0c5ac9b855cdef6f71888e99dd9462 100755 (executable)
--- a/gitk
+++ b/gitk
@@ -2146,7 +2146,7 @@ proc makewindow {} {
     label .bleft.mid.labeldiffcontext -text "      [mc "Lines of context"]: "
     pack .bleft.mid.diff .bleft.mid.old .bleft.mid.new -side left
     spinbox .bleft.mid.diffcontext -width 5 -font textfont \
     label .bleft.mid.labeldiffcontext -text "      [mc "Lines of context"]: "
     pack .bleft.mid.diff .bleft.mid.old .bleft.mid.new -side left
     spinbox .bleft.mid.diffcontext -width 5 -font textfont \

-       -from 1 -increment 1 -to 10000000 \
+       -from 0 -increment 1 -to 10000000 \

        -validate all -validatecommand "diffcontextvalidate %P" \
        -textvariable diffcontextstring
     .bleft.mid.diffcontext set $diffcontext
        -validate all -validatecommand "diffcontextvalidate %P" \
        -textvariable diffcontextstring
     .bleft.mid.diffcontext set $diffcontext


@@ -7308,7 +7308,7 @@ proc diffcontextchange {n1 n2 op} {
     global diffcontextstring diffcontext
 
     if {[string is integer -strict $diffcontextstring]} {
     global diffcontextstring diffcontext
 
     if {[string is integer -strict $diffcontextstring]} {

-       if {$diffcontextstring > 0} {
+       if {$diffcontextstring >= 0} {

            set diffcontext $diffcontextstring
            reselectline
        }
            set diffcontext $diffcontextstring
            reselectline
        }