Merge branch 'maint'

diff --git a/gitk b/gitk
index d47d3d8f84f14d72c477bb7793345c953151e7ee..87c3690ff3f742984ea91dcd45fb8475ae988f1e 100755 (executable)
--- a/gitk
+++ b/gitk
@@ -337,7 +337,7 @@ proc readrefs {} {
                    set tagids($name) $commit
                    lappend idtags($commit) $name
                }
-           }           
+           }
            catch {
                set tagcontents($name) [exec git cat-file tag $id]
            }
@@ -593,6 +593,7 @@ proc makewindow {} {
         frame .bleft -width $geometry(botwidth) -height $geometry(botheight)
     }
     frame .bleft.top
+    frame .bleft.mid
 
     button .bleft.top.search -text "Search" -command dosearch \
        -font $uifont
@@ -602,12 +603,20 @@ proc makewindow {} {
     lappend entries $sstring
     trace add variable searchstring write incrsearch
     pack $sstring -side left -expand 1 -fill x
+    radiobutton .bleft.mid.diff -text "Diff" \
+       -command changediffdisp -variable diffelide -value {0 0}
+    radiobutton .bleft.mid.old -text "Old version" \
+       -command changediffdisp -variable diffelide -value {0 1}
+    radiobutton .bleft.mid.new -text "New version" \
+       -command changediffdisp -variable diffelide -value {1 0}
+    pack .bleft.mid.diff .bleft.mid.old .bleft.mid.new -side left
     set ctext .bleft.ctext
     text $ctext -background $bgcolor -foreground $fgcolor \
        -state disabled -font $textfont \
        -yscrollcommand scrolltext -wrap none
     scrollbar .bleft.sb -command "$ctext yview"
     pack .bleft.top -side top -fill x
+    pack .bleft.mid -side top -fill x
     pack .bleft.sb -side right -fill y
     pack $ctext -side left -fill both -expand 1
     lappend bglist $ctext
@@ -938,12 +947,15 @@ Gitk - a commit viewer for git
 Copyright © 2005-2006 Paul Mackerras
 
 Use and redistribute under the terms of the GNU General Public License} \
-           -justify center -aspect 400
-    pack $w.m -side top -fill x -padx 20 -pady 20
+           -justify center -aspect 400 -border 2 -bg white -relief groove
+    pack $w.m -side top -fill x -padx 2 -pady 2
     $w.m configure -font $uifont
-    button $w.ok -text Close -command "destroy $w"
+    button $w.ok -text Close -command "destroy $w" -default active
     pack $w.ok -side bottom
     $w.ok configure -font $uifont
+    bind $w <Visibility> "focus $w.ok"
+    bind $w <Key-Escape> "destroy $w"
+    bind $w <Key-Return> "destroy $w"
 }
 
 proc keys {} {
@@ -994,12 +1006,15 @@ f                Scroll diff view to next file
 <Ctrl-minus>   Decrease font size
 <F5>           Update
 } \
-           -justify left -bg white -border 2 -relief sunken
-    pack $w.m -side top -fill both
+           -justify left -bg white -border 2 -relief groove
+    pack $w.m -side top -fill both -padx 2 -pady 2
     $w.m configure -font $uifont
-    button $w.ok -text Close -command "destroy $w"
+    button $w.ok -text Close -command "destroy $w" -default active
     pack $w.ok -side bottom
     $w.ok configure -font $uifont
+    bind $w <Visibility> "focus $w.ok"
+    bind $w <Key-Escape> "destroy $w"
+    bind $w <Key-Return> "destroy $w"
 }
 
 # Procedures for manipulating the file list window at the
@@ -4480,6 +4495,13 @@ proc getblobdiffline {bdf ids} {
     }
 }
 
+proc changediffdisp {} {
+    global ctext diffelide
+
+    $ctext tag conf d0 -elide [lindex $diffelide 0]
+    $ctext tag conf d1 -elide [lindex $diffelide 1]
+}
+
 proc prevfile {} {
     global difffilestart ctext
     set prev [lindex $difffilestart 0]
@@ -5892,14 +5914,15 @@ proc doprefs {} {
     grid x $top.hunksepbut $top.hunksep -sticky w
 
     frame $top.buts
-    button $top.buts.ok -text "OK" -command prefsok
+    button $top.buts.ok -text "OK" -command prefsok -default active
     $top.buts.ok configure -font $uifont
-    button $top.buts.can -text "Cancel" -command prefscan
+    button $top.buts.can -text "Cancel" -command prefscan -default normal
     $top.buts.can configure -font $uifont
     grid $top.buts.ok $top.buts.can
     grid columnconfigure $top.buts 0 -weight 1 -uniform a
     grid columnconfigure $top.buts 1 -weight 1 -uniform a
     grid $top.buts - - -pady 10 -sticky ew
+    bind $top <Visibility> "focus $top.buts.ok"
 }
 
 proc choosecolor {v vi w x cmd} {
@@ -6323,6 +6346,7 @@ set highlight_paths {}
 set searchdirn -forwards
 set boldrows {}
 set boldnamerows {}
+set diffelide {0 0}
 
 set optim_delay 16