gitk: Add menu items for comparing a commit with the marked commit

[git.git] / gitk

diff --git a/gitk b/gitk
index 177a9975a7dd80a09b78db6bf89dd54a0033145b..d067492066d134e437b838fdf093ef71a010310b 100755 (executable)
--- a/gitk
+++ b/gitk
@@ -2542,6 +2542,8 @@ proc makewindow {} {
        {mc "Return to mark" command gotomark}
        {mc "Find descendant of this and mark" command find_common_desc}
        {mc "Compare with marked commit" command compare_commits}
+       {mc "Diff this -> marked commit" command {diffvsmark 0}}
+       {mc "Diff marked commit -> this" command {diffvsmark 1}}
     }
     $rowctxmenu configure -tearoff 0
 
@@ -2550,6 +2552,8 @@ proc makewindow {} {
        {mc "Diff this -> selected" command {diffvssel 0}}
        {mc "Diff selected -> this" command {diffvssel 1}}
        {mc "Make patch" command mkpatch}
+       {mc "Diff this -> marked commit" command {diffvsmark 0}}
+       {mc "Diff marked commit -> this" command {diffvsmark 1}}
     }
     $fakerowmenu configure -tearoff 0
 
@@ -8495,6 +8499,11 @@ proc rowmenu {x y id} {
     } else {
        set state normal
     }
+    if {[info exists markedid] && $markedid ne $id} {
+       set mstate normal
+    } else {
+       set mstate disabled
+    }
     if {$id ne $nullid && $id ne $nullid2} {
        set menu $rowctxmenu
        if {$mainhead ne {}} {
@@ -8502,21 +8511,17 @@ proc rowmenu {x y id} {
        } else {
            $menu entryconfigure 7 -label [mc "Detached head: can't reset" $mainhead] -state disabled
        }
-       if {[info exists markedid] && $markedid ne $id} {
-           $menu entryconfigure 9 -state normal
-           $menu entryconfigure 10 -state normal
-           $menu entryconfigure 11 -state normal
-       } else {
-           $menu entryconfigure 9 -state disabled
-           $menu entryconfigure 10 -state disabled
-           $menu entryconfigure 11 -state disabled
-       }
+       $menu entryconfigure 9 -state $mstate
+       $menu entryconfigure 10 -state $mstate
+       $menu entryconfigure 11 -state $mstate
     } else {
        set menu $fakerowmenu
     }
     $menu entryconfigure [mca "Diff this -> selected"] -state $state
     $menu entryconfigure [mca "Diff selected -> this"] -state $state
     $menu entryconfigure [mca "Make patch"] -state $state
+    $menu entryconfigure [mca "Diff this -> marked commit"] -state $mstate
+    $menu entryconfigure [mca "Diff marked commit -> this"] -state $mstate
     tk_popup $menu $x $y
 }
 
@@ -8720,6 +8725,21 @@ proc diffvssel {dirn} {
     doseldiff $oldid $newid
 }
 
+proc diffvsmark {dirn} {
+    global rowmenuid markedid
+
+    if {![info exists markedid]} return
+    if {$dirn} {
+       set oldid $markedid
+       set newid $rowmenuid
+    } else {
+       set oldid $rowmenuid
+       set newid $markedid
+    }
+    addtohistory [list doseldiff $oldid $newid] savectextpos
+    doseldiff $oldid $newid
+}
+
 proc doseldiff {oldid newid} {
     global ctext
     global commitinfo