git-gui: remove non-ttk code

git-gui has code paths to support older non-ttk widgets, but this code
is no longer reachable as ttk is always used. Remove that code.

Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>

Author: mark987

git-gui.sh

@@ -912,9 +912,6 @@ proc apply_config {} {
 		font configure ${font}italic -slant italic
 	}
 
-	global use_ttk NS
-	set use_ttk 1
-	set NS ttk
 	bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 	pave_toplevel .
 	color::sync_with_theme
@@ -2313,7 +2310,7 @@ proc do_quit {{rc {1}}} {
 	global ui_comm is_quitting repo_config commit_type
 	global GITGUI_BCK_exists GITGUI_BCK_i
 	global ui_comm_spell
-	global ret_code use_ttk
+	global ret_code
 
 	if {$is_quitting} return
 	set is_quitting 1
@@ -2371,13 +2368,8 @@ proc do_quit {{rc {1}}} {
 		}
 		set cfg_geometry [list]
 		lappend cfg_geometry [wm geometry .]
-		if {$use_ttk} {
-			lappend cfg_geometry [.vpane sashpos 0]
-			lappend cfg_geometry [.vpane.files sashpos 0]
-		} else {
-			lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
-			lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
-		}
+		lappend cfg_geometry [.vpane sashpos 0]
+		lappend cfg_geometry [.vpane.files sashpos 0]
 		if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
 			set rc_geometry {}
 		}
@@ -3260,7 +3252,6 @@ default {
 # -- Branch Control
 #
 ttk::frame .branch
-if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
 ttk::label .branch.l1 \
 	-text [mc "Current Branch:"] \
 	-anchor w \
@@ -3277,11 +3268,7 @@ pack .branch -side top -fill x
 #
 ttk::panedwindow .vpane -orient horizontal
 ttk::panedwindow .vpane.files -orient vertical
-if {$use_ttk} {
-	.vpane add .vpane.files
-} else {
-	.vpane add .vpane.files -sticky nsew -height 100 -width 200
-}
+.vpane add .vpane.files
 pack .vpane -anchor n -side top -fill both -expand 1
 
 # -- Working Directory File List
@@ -3331,10 +3318,6 @@ pack $ui_index -side left -fill both -expand 1
 #
 .vpane.files add .vpane.files.workdir
 .vpane.files add .vpane.files.index
-if {!$use_ttk} {
-	.vpane.files paneconfigure .vpane.files.workdir -sticky news
-	.vpane.files paneconfigure .vpane.files.index -sticky news
-}
 
 proc set_selection_colors {w has_focus} {
 	foreach tag [list in_diff in_sel] {
@@ -3361,13 +3344,8 @@ ttk::frame .vpane.lower.diff -relief sunken -borderwidth 1 -height 500
 .vpane.lower add .vpane.lower.diff
 .vpane.lower add .vpane.lower.commarea
 .vpane add .vpane.lower
-if {$use_ttk} {
-	.vpane.lower pane .vpane.lower.diff -weight 1
-	.vpane.lower pane .vpane.lower.commarea -weight 0
-} else {
-	.vpane.lower paneconfigure .vpane.lower.diff -stretch always
-	.vpane.lower paneconfigure .vpane.lower.commarea -stretch never
-}
+.vpane.lower pane .vpane.lower.diff -weight 1
+.vpane.lower pane .vpane.lower.commarea -weight 0
 
 # -- Commit Area Buttons
 #
@@ -3888,29 +3866,14 @@ proc on_ttk_pane_mapped {w pane pos} {
 	bind $w <Map> {}
 	after 0 [list after idle [list $w sashpos $pane $pos]]
 }
-proc on_tk_pane_mapped {w pane x y} {
-	bind $w <Map> {}
-	after 0 [list after idle [list $w sash place $pane $x $y]]
-}
 proc on_application_mapped {} {
-	global repo_config use_ttk
+	global repo_config
 	bind . <Map> {}
 	set gm $repo_config(gui.geometry)
-	if {$use_ttk} {
-		bind .vpane <Map> \
-			[list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
-		bind .vpane.files <Map> \
-			[list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
-	} else {
-		bind .vpane <Map> \
-			[list on_tk_pane_mapped %W 0 \
-			[lindex $gm 1] \
-			[lindex [.vpane sash coord 0] 1]]
-		bind .vpane.files <Map> \
-			[list on_tk_pane_mapped %W 0 \
-			[lindex [.vpane.files sash coord 0] 0] \
-			[lindex $gm 2]]
-	}
+	bind .vpane <Map> \
+		[list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
+	bind .vpane.files <Map> \
+		[list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
 	wm geometry . [lindex $gm 0]
 }
 if {[info exists repo_config(gui.geometry)]} {

lib/about.tcl

@@ -4,7 +4,7 @@
 proc do_about {} {
 	global appvers copyright oguilib
 	global tcl_patchLevel tk_patchLevel
-	global ui_comm_spell use_ttk
+	global ui_comm_spell
 
 	set w .about_dialog
 	Dialog $w

lib/branch_checkout.tcl

@@ -10,7 +10,6 @@ field opt_fetch     1; # refetch tracking branch if used?
 field opt_detach    0; # force a detached head case?
 
 constructor dialog {} {
-	global use_ttk
 	make_dialog top w
 	wm withdraw $w
 	wm title $top [mc "%s (%s): Checkout Branch" [appname] [reponame]]

lib/branch_create.tcl

@@ -16,7 +16,7 @@ field opt_fetch     1; # refetch tracking branch if used?
 field reset_ok      0; # did the user agree to reset?
 
 constructor dialog {} {
-	global repo_config use_ttk
+	global repo_config
 
 	make_dialog top w
 	wm withdraw $w
@@ -44,7 +44,6 @@ constructor dialog {} {
 		-text [mc "Name:"] \
 		-value user \
 		-variable @name_type
-	if {!$use_ttk} {$w.desc.name_r configure -anchor w}
 	set w_name $w.desc.name_t
 	ttk::entry $w_name \
 		-width 40 \
@@ -57,7 +56,6 @@ constructor dialog {} {
 		-text [mc "Match Tracking Branch Name"] \
 		-value match \
 		-variable @name_type
-	if {!$use_ttk} {$w.desc.match_r configure -anchor w}
 	grid $w.desc.match_r -sticky we -padx {0 5} -columnspan 2
 
 	grid columnconfigure $w.desc 1 -weight 1

lib/branch_delete.tcl

@@ -9,7 +9,7 @@ field w_check         ; # revision picker for merge test
 field w_delete        ; # delete button
 
 constructor dialog {} {
-	global current_branch use_ttk
+	global current_branch
 
 	make_dialog top w
 	wm withdraw $w

lib/branch_rename.tcl

@@ -8,7 +8,7 @@ field oldname
 field newname
 
 constructor dialog {} {
-	global current_branch use_ttk
+	global current_branch
 
 	make_dialog top w
 	wm withdraw $w
@@ -36,12 +36,8 @@ constructor dialog {} {
 
 	ttk::frame $w.rename
 	ttk::label $w.rename.oldname_l -text [mc "Branch:"]
-	if {$use_ttk} {
-		ttk::combobox $w.rename.oldname_m -textvariable @oldname \
-			-values [load_all_heads] -state readonly
-	} else {
-		eval tk_optionMenu $w.rename.oldname_m @oldname [load_all_heads]
-	}
+	ttk::combobox $w.rename.oldname_m -textvariable @oldname \
+		-values [load_all_heads] -state readonly
 
 	ttk::label $w.rename.newname_l -text [mc "New Name:"]
 	ttk::entry $w.rename.newname_t \

lib/browser.tcl

@@ -21,7 +21,7 @@ field browser_busy   1
 field ls_buf     {}; # Buffered record output from ls-tree
 
 constructor new {commit {path {}}} {
-	global cursor_ptr M1B use_ttk
+	global cursor_ptr M1B
 	make_dialog top w
 	wm withdraw $top
 	wm title $top [mc "%s (%s): File Browser" [appname] [reponame]]
@@ -40,7 +40,6 @@ constructor new {commit {path {}}} {
 		-anchor w \
 		-justify left \
 		-font font_uibold
-	if {!$use_ttk} { $w.path configure -borderwidth 1 -relief sunken}
 	pack $w.path -anchor w -side top -fill x
 
 	ttk::frame $w.list
@@ -66,7 +65,6 @@ constructor new {commit {path {}}} {
 		-textvariable @browser_status \
 		-anchor w \
 		-justify left
-	if {!$use_ttk} { $w.status configure -borderwidth 1 -relief sunken}
 	pack $w.status -anchor w -side bottom -fill x
 
 	bind $w_list <Button-1>        "[cb _click 0 @%x,%y];break"
@@ -269,7 +267,6 @@ field w              ; # widget path
 field w_rev          ; # mega-widget to pick the initial revision
 
 constructor dialog {} {
-	global use_ttk
 	make_dialog top w
 	wm withdraw $top
 	wm title $top [mc "%s (%s): Browse Branch Files" [appname] [reponame]]

lib/choose_font.tcl

@@ -17,7 +17,6 @@ variable all_families [list]  ; # All fonts known to Tk
 
 constructor pick {path title a_family a_size} {
 	variable all_families
-	global use_ttk
 
 	set v_family $a_family
 	set v_size $a_size

lib/choose_repository.tcl

@@ -35,7 +35,7 @@ field readtree_err        ; # Error output from read-tree (if any)
 field sorted_recent       ; # recent repositories (sorted)
 
 constructor pick {} {
-	global M1T M1B use_ttk
+	global M1T M1B
 
 	if {[set maxrecent [get_config gui.maxrecentrepo]] eq {}} {
 		set maxrecent 10
@@ -378,7 +378,6 @@ proc _objdir {path} {
 ## Create New Repository
 
 method _do_new {} {
-	global use_ttk
 	$w_next conf \
 		-state disabled \
 		-command [cb _do_new2] \
@@ -462,7 +461,6 @@ proc _new_ok {p} {
 ## Clone Existing Repository
 
 method _do_clone {} {
-	global use_ttk
 	$w_next conf \
 		-state disabled \
 		-command [cb _do_clone2] \

lib/choose_rev.tcl

@@ -32,7 +32,7 @@ proc new_unmerged {path {title {}}} {
 }
 
 constructor _new {path unmerged_only title} {
-	global current_branch is_detached use_ttk
+	global current_branch is_detached
 
 	if {![info exists ::all_remotes]} {
 		load_all_remotes
@@ -52,7 +52,6 @@ constructor _new {path unmerged_only title} {
 			-text [mc "This Detached Checkout"] \
 			-value HEAD \
 			-variable @revtype
-		if {!$use_ttk} {$w.detachedhead_r configure -anchor w}
 		grid $w.detachedhead_r -sticky we -padx {0 5} -columnspan 2
 	}
 
@@ -95,11 +94,7 @@ constructor _new {path unmerged_only title} {
 		] -side right
 	grid $w.types -sticky we -padx {0 5} -columnspan 2
 
-	if {$use_ttk} {
-		ttk::frame $w.list -style SListbox.TFrame -padding 2
-	} else {
-		frame $w.list
-	}
+	ttk::frame $w.list -style SListbox.TFrame -padding 2
 	set w_list $w.list.l
 	listbox $w_list \
 		-font font_diff \
@@ -109,9 +104,7 @@ constructor _new {path unmerged_only title} {
 		-exportselection false \
 		-xscrollcommand [cb _sb_set $w.list.sbx h] \
 		-yscrollcommand [cb _sb_set $w.list.sby v]
-	if {$use_ttk} {
-		$w_list configure -relief flat -highlightthickness 0 -borderwidth 0
-	}
+	$w_list configure -relief flat -highlightthickness 0 -borderwidth 0
 	pack $w_list -fill both -expand 1
 	grid $w.list -sticky nswe -padx {20 5} -columnspan 2
 	bind $w_list <Any-Motion>  [cb _show_tooltip @%x,%y]
@@ -238,12 +231,10 @@ constructor _new {path unmerged_only title} {
 }
 
 method none {text} {
-	global use_ttk
 	if {![winfo exists $w.none_r]} {
 		ttk::radiobutton $w.none_r \
 			-value none \
 			-variable @revtype
-		if {!$use_ttk} {$w.none_r configure -anchor w}
 		grid $w.none_r -sticky we -padx {0 5} -columnspan 2
 	}
 	$w.none_r configure -text $text