diff --git a/git-gui.sh b/git-gui.sh
index b097c8c927..5e3fb23300 100755
--- a/git-gui.sh
+++ b/git-gui.sh
@@ -2511,13 +2511,28 @@ proc force_first_diff {after} {
 	}
 }
 
-proc toggle_or_diff {w x y} {
+proc toggle_or_diff {mode w args} {
 	global file_states file_lists current_diff_path ui_index ui_workdir
 	global last_clicked selected_paths
 
-	set pos [split [$w index @$x,$y] .]
-	set lno [lindex $pos 0]
-	set col [lindex $pos 1]
+	if {$mode eq "click"} {
+		foreach {x y} $args break
+		set pos [split [$w index @$x,$y] .]
+		foreach {lno col} $pos break
+	} else {
+		if {$last_clicked ne {}} {
+			set lno [lindex $last_clicked 1]
+		} else {
+			set lno [expr {int([lindex [$w tag ranges in_diff] 0])}]
+		}
+		if {$mode eq "toggle"} {
+			set col 0; set y 2
+		} else {
+			incr lno [expr {$mode eq "up" ? -1 : 1}]
+			set col 1
+		}
+	}
+
 	set path [lindex $file_lists($w) [expr {$lno - 1}]]
 	if {$path eq {}} {
 		set last_clicked {}
@@ -2525,6 +2540,7 @@ proc toggle_or_diff {w x y} {
 	}
 
 	set last_clicked [list $w $lno]
+	focus $w
 	array unset selected_paths
 	$ui_index tag remove in_sel 0.0 end
 	$ui_workdir tag remove in_sel 0.0 end
@@ -2604,7 +2620,7 @@ proc add_range_to_selection {w x y} {
 	global file_lists last_clicked selected_paths
 
 	if {[lindex $last_clicked 0] ne $w} {
-		toggle_or_diff $w $x $y
+		toggle_or_diff click $w $x $y
 		return
 	}
 
@@ -3184,36 +3200,16 @@ if {$use_ttk} {
 }
 pack .vpane -anchor n -side top -fill both -expand 1
 
-# -- Index File List
-#
-${NS}::frame .vpane.files.index -height 100 -width 200
-tlabel .vpane.files.index.title \
-	-text [mc "Staged Changes (Will Commit)"] \
-	-background lightgreen -foreground black
-text $ui_index -background white -foreground black \
-	-borderwidth 0 \
-	-width 20 -height 10 \
-	-wrap none \
-	-cursor $cursor_ptr \
-	-xscrollcommand {.vpane.files.index.sx set} \
-	-yscrollcommand {.vpane.files.index.sy set} \
-	-state disabled
-${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
-${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
-pack .vpane.files.index.title -side top -fill x
-pack .vpane.files.index.sx -side bottom -fill x
-pack .vpane.files.index.sy -side right -fill y
-pack $ui_index -side left -fill both -expand 1
-
 # -- Working Directory File List
-#
-${NS}::frame .vpane.files.workdir -height 100 -width 200
+
+textframe .vpane.files.workdir -height 100 -width 200
 tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
 	-background lightsalmon -foreground black
-text $ui_workdir -background white -foreground black \
+ttext $ui_workdir -background white -foreground black \
 	-borderwidth 0 \
 	-width 20 -height 10 \
 	-wrap none \
+	-takefocus 1 -highlightthickness 1\
 	-cursor $cursor_ptr \
 	-xscrollcommand {.vpane.files.workdir.sx set} \
 	-yscrollcommand {.vpane.files.workdir.sy set} \
@@ -3225,6 +3221,30 @@ pack .vpane.files.workdir.sx -side bottom -fill x
 pack .vpane.files.workdir.sy -side right -fill y
 pack $ui_workdir -side left -fill both -expand 1
 
+# -- Index File List
+#
+textframe .vpane.files.index -height 100 -width 200
+tlabel .vpane.files.index.title \
+	-text [mc "Staged Changes (Will Commit)"] \
+	-background lightgreen -foreground black
+ttext $ui_index -background white -foreground black \
+	-borderwidth 0 \
+	-width 20 -height 10 \
+	-wrap none \
+	-takefocus 1 -highlightthickness 1\
+	-cursor $cursor_ptr \
+	-xscrollcommand {.vpane.files.index.sx set} \
+	-yscrollcommand {.vpane.files.index.sy set} \
+	-state disabled
+${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
+${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
+pack .vpane.files.index.title -side top -fill x
+pack .vpane.files.index.sx -side bottom -fill x
+pack .vpane.files.index.sy -side right -fill y
+pack $ui_index -side left -fill both -expand 1
+
+# -- Insert the workdir and index into the panes
+#
 .vpane.files add .vpane.files.workdir
 .vpane.files add .vpane.files.index
 if {!$use_ttk} {
@@ -3307,7 +3327,7 @@ if {![is_enabled nocommit]} {
 #
 ${NS}::frame .vpane.lower.commarea.buffer
 ${NS}::frame .vpane.lower.commarea.buffer.header
-set ui_comm .vpane.lower.commarea.buffer.t
+set ui_comm .vpane.lower.commarea.buffer.frame.t
 set ui_coml .vpane.lower.commarea.buffer.header.l
 
 if {![is_enabled nocommit]} {
@@ -3350,20 +3370,25 @@ if {![is_enabled nocommit]} {
 	pack .vpane.lower.commarea.buffer.header.new -side right
 }
 
-text $ui_comm -background white -foreground black \
+textframe .vpane.lower.commarea.buffer.frame
+ttext $ui_comm -background white -foreground black \
 	-borderwidth 1 \
 	-undo true \
 	-maxundo 20 \
 	-autoseparators true \
+	-takefocus 1 \
+	-highlightthickness 1 \
 	-relief sunken \
 	-width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
 	-font font_diff \
-	-yscrollcommand {.vpane.lower.commarea.buffer.sby set}
-${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
+	-yscrollcommand {.vpane.lower.commarea.buffer.frame.sby set}
+${NS}::scrollbar .vpane.lower.commarea.buffer.frame.sby \
 	-command [list $ui_comm yview]
-pack .vpane.lower.commarea.buffer.header -side top -fill x
-pack .vpane.lower.commarea.buffer.sby -side right -fill y
+
+pack .vpane.lower.commarea.buffer.frame.sby -side right -fill y
 pack $ui_comm -side left -fill y
+pack .vpane.lower.commarea.buffer.header -side top -fill x
+pack .vpane.lower.commarea.buffer.frame -side left -fill y
 pack .vpane.lower.commarea.buffer -side left -fill y
 
 # -- Commit Message Buffer Context Menu
@@ -3461,12 +3486,13 @@ bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
 
 # -- Diff Body
 #
-${NS}::frame .vpane.lower.diff.body
+textframe .vpane.lower.diff.body
 set ui_diff .vpane.lower.diff.body.t
-text $ui_diff -background white -foreground black \
+ttext $ui_diff -background white -foreground black \
 	-borderwidth 0 \
 	-width 80 -height 5 -wrap none \
 	-font font_diff \
+	-takefocus 1 -highlightthickness 1 \
 	-xscrollcommand {.vpane.lower.diff.body.sbx set} \
 	-yscrollcommand {.vpane.lower.diff.body.sby set} \
 	-state disabled
@@ -3821,10 +3847,10 @@ bind .   <$M1B-Key-r> ui_do_rescan
 bind .   <$M1B-Key-R> ui_do_rescan
 bind .   <$M1B-Key-s> do_signoff
 bind .   <$M1B-Key-S> do_signoff
-bind .   <$M1B-Key-t> do_add_selection
-bind .   <$M1B-Key-T> do_add_selection
-bind .   <$M1B-Key-u> do_unstage_selection
-bind .   <$M1B-Key-U> do_unstage_selection
+bind .   <$M1B-Key-t> { toggle_or_diff toggle %W }
+bind .   <$M1B-Key-T> { toggle_or_diff toggle %W }
+bind .   <$M1B-Key-u> { toggle_or_diff toggle %W }
+bind .   <$M1B-Key-U> { toggle_or_diff toggle %W }
 bind .   <$M1B-Key-j> do_revert_selection
 bind .   <$M1B-Key-J> do_revert_selection
 bind .   <$M1B-Key-i> do_add_all
@@ -3836,9 +3862,11 @@ bind .   <$M1B-Key-plus> {show_more_context;break}
 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
 bind .   <$M1B-Key-Return> do_commit
 foreach i [list $ui_index $ui_workdir] {
-	bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
-	bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
-	bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
+	bind $i <Button-1>       { toggle_or_diff click %W %x %y; break }
+	bind $i <$M1B-Button-1>  { add_one_to_selection %W %x %y; break }
+	bind $i <Shift-Button-1> { add_range_to_selection %W %x %y; break }
+	bind $i <Key-Up>         { toggle_or_diff up %W; break }
+	bind $i <Key-Down>       { toggle_or_diff down %W; break }
 }
 unset i
 
diff --git a/lib/themed.tcl b/lib/themed.tcl
index 8b88d3678b..351a712c8c 100644
--- a/lib/themed.tcl
+++ b/lib/themed.tcl
@@ -78,6 +78,57 @@ proc InitTheme {} {
 	}
 }
 
+# Define a style used for the surround of text widgets.
+proc InitEntryFrame {} {
+	ttk::style theme settings default {
+		ttk::style layout EntryFrame {
+			EntryFrame.field -sticky nswe -border 0 -children {
+				EntryFrame.fill -sticky nswe -children {
+					EntryFrame.padding -sticky nswe
+				}
+			}
+		}
+		ttk::style configure EntryFrame -padding 1 -relief sunken
+		ttk::style map EntryFrame -background {}
+	}
+	ttk::style theme settings classic {
+		ttk::style configure EntryFrame -padding 2 -relief sunken
+		ttk::style map EntryFrame -background {}
+	}
+	ttk::style theme settings alt {
+		ttk::style configure EntryFrame -padding 2
+		ttk::style map EntryFrame -background {}
+	}
+	ttk::style theme settings clam {
+		ttk::style configure EntryFrame -padding 2
+		ttk::style map EntryFrame -background {}
+	}
+
+	# Ignore errors for missing native themes
+	catch {
+		ttk::style theme settings winnative {
+			ttk::style configure EntryFrame -padding 2
+		}
+		ttk::style theme settings xpnative {
+			ttk::style configure EntryFrame -padding 1
+			ttk::style element create EntryFrame.field vsapi \
+				EDIT 1 {disabled 4 focus 3 active 2 {} 1} -padding 1
+		}
+		ttk::style theme settings vista {
+			ttk::style configure EntryFrame -padding 2
+			ttk::style element create EntryFrame.field vsapi \
+				EDIT 6 {disabled 4 focus 3 active 2 {} 1} -padding 2
+		}
+	}
+
+	bind EntryFrame <Enter> {%W instate !disabled {%W state active}}
+	bind EntryFrame <Leave> {%W state !active}
+	bind EntryFrame <<ThemeChanged>> {
+		set pad [ttk::style lookup EntryFrame -padding]
+		%W configure -padding [expr {$pad eq {} ? 1 : $pad}]
+	}
+}
+
 proc gold_frame {w args} {
 	global use_ttk
 	if {$use_ttk} {
@@ -123,7 +174,7 @@ proc paddedlabel {w args} {
 # place a themed frame over the surface.
 proc Dialog {w args} {
 	eval [linsert $args 0 toplevel $w -class Dialog]
-	catch {wm attributes $w -type dialog}	
+	catch {wm attributes $w -type dialog}
 	pave_toplevel $w
 	return $w
 }
@@ -193,6 +244,40 @@ proc tspinbox {w args} {
 	}
 }
 
+# Create a text widget with any theme specific properties.
+proc ttext {w args} {
+	global use_ttk
+	if {$use_ttk} {
+		switch -- [ttk::style theme use] {
+			"vista" - "xpnative" {
+				lappend args -highlightthickness 0 -borderwidth 0
+			}
+		}
+	}
+	set w [eval [linsert $args 0 text $w]]
+	if {$use_ttk} {
+		if {[winfo class [winfo parent $w]] eq "EntryFrame"} {
+			bind $w <FocusIn> {[winfo parent %W] state focus}
+			bind $w <FocusOut> {[winfo parent %W] state !focus}
+		}
+	}
+	return $w
+}
+
+# themed frame suitable for surrounding a text field.
+proc textframe {w args} {
+	global use_ttk
+	if {$use_ttk} {
+		if {[catch {ttk::style layout EntryFrame}]} {
+			InitEntryFrame
+		}
+		eval [linsert $args 0 ttk::frame $w -class EntryFrame -style EntryFrame]
+	} else {
+		eval [linsert $args 0 frame $w]
+	}
+	return $w
+}
+
 proc tentry {w args} {
 	global use_ttk
 	if {$use_ttk} {