gitk: Enable mouse horizontal scrolling in diff pane
Currently it's required to hold Shift and scroll up and down to move
horizontally. Listen to Button-6 and Button-7 events too to make
horizontal scrolling handier with touchpads and some mice.
Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/gitk b/gitk
index 462f966..d42f283 100755
--- a/gitk
+++ b/gitk
@@ -2516,6 +2516,13 @@
} else {
bindall <ButtonRelease-4> "allcanvs yview scroll -5 units"
bindall <ButtonRelease-5> "allcanvs yview scroll 5 units"
+ bind $ctext <Button> {
+ if {"%b" eq 6} {
+ $ctext xview scroll -5 units
+ } elseif {"%b" eq 7} {
+ $ctext xview scroll 5 units
+ }
+ }
if {[tk windowingsystem] eq "aqua"} {
bindall <MouseWheel> {
set delta [expr {- (%D)}]