git-gui/lib/option.tcl - jrn/git - Git at Google

 # git-gui options editor
 # Copyright (C) 2006, 2007 Shawn Pearce

 proc config_check_encodings {} {
 	global repo_config_new global_config_new

 	set enc $global_config_new(gui.encoding)
 	if {$enc eq {}} {
 		set global_config_new(gui.encoding) [encoding system]
 	} elseif {[tcl_encoding $enc] eq {}} {
 		error_popup [mc "Invalid global encoding '%s'" $enc]
 		return 0
 	}

 	set enc $repo_config_new(gui.encoding)
 	if {$enc eq {}} {
 		set repo_config_new(gui.encoding) [encoding system]
 	} elseif {[tcl_encoding $enc] eq {}} {
 		error_popup [mc "Invalid repo encoding '%s'" $enc]
 		return 0
 	}

 	return 1
 }

 proc save_config {} {
 	global default_config font_descs
 	global repo_config global_config system_config
 	global repo_config_new global_config_new
 	global ui_comm_spell

 	foreach option $font_descs {
 		set name [lindex $option 0]
 		set font [lindex $option 1]
 		font configure $font \
 			-family $global_config_new(gui.$font^^family) \
 			-size $global_config_new(gui.$font^^size)
 		font configure ${font}bold \
 			-family $global_config_new(gui.$font^^family) \
 			-size $global_config_new(gui.$font^^size)
 		font configure ${font}italic \
 			-family $global_config_new(gui.$font^^family) \
 			-size $global_config_new(gui.$font^^size)
 		set global_config_new(gui.$name) [font configure $font]
 		unset global_config_new(gui.$font^^family)
 		unset global_config_new(gui.$font^^size)
 	}

 	foreach name [array names default_config] {
 		set value $global_config_new($name)
 		if {$value ne $global_config($name)} {
 			if {$value eq $system_config($name)} {
 				catch {git config --global --unset $name}
 			} else {
 				regsub -all "\[{}\]" $value {"} value
 				git config --global $name $value
 			}
 			set global_config($name) $value
 			if {$value eq $repo_config($name)} {
 				catch {git config --unset $name}
 				set repo_config($name) $value
 			}
 		}
 	}

 	foreach name [array names default_config] {
 		set value $repo_config_new($name)
 		if {$value ne $repo_config($name)} {
 			if {$value eq $global_config($name)} {
 				catch {git config --unset $name}
 			} else {
 				regsub -all "\[{}\]" $value {"} value
 				git config $name $value
 			}
 			set repo_config($name) $value
 		}
 	}

 	if {[info exists repo_config(gui.spellingdictionary)]} {
 		set value $repo_config(gui.spellingdictionary)
 		if {$value eq {none}} {
 			if {[info exists ui_comm_spell]} {
 				$ui_comm_spell stop
 			}
 		} elseif {[info exists ui_comm_spell]} {
 			$ui_comm_spell lang $value
 		}
 	}
 }

 proc do_options {} {
 	global repo_config global_config font_descs
 	global repo_config_new global_config_new
 	global ui_comm_spell use_ttk NS

 	array unset repo_config_new
 	array unset global_config_new
 	foreach name [array names repo_config] {
 		set repo_config_new($name) $repo_config($name)
 	}
 	load_config 1
 	foreach name [array names repo_config] {
 		switch -- $name {
 		gui.diffcontext {continue}
 		}
 		set repo_config_new($name) $repo_config($name)
 	}
 	foreach name [array names global_config] {
 		set global_config_new($name) $global_config($name)
 	}

 	set w .options_editor
 	Dialog $w
 	wm withdraw $w
 	wm transient $w [winfo parent $w]
 	wm geometry $w "+[winfo rootx .]+[winfo rooty .]"

 	${NS}::frame $w.buttons
 	${NS}::button $w.buttons.restore -text [mc "Restore Defaults"] \
 		-default normal \
 		-command do_restore_defaults
 	pack $w.buttons.restore -side left
 	${NS}::button $w.buttons.save -text [mc Save] \
 		-default active \
 		-command [list do_save_config $w]
 	pack $w.buttons.save -side right
 	${NS}::button $w.buttons.cancel -text [mc "Cancel"] \
 		-default normal \
 		-command [list destroy $w]
 	pack $w.buttons.cancel -side right -padx 5
 	pack $w.buttons -side bottom -fill x -pady 10 -padx 10

 	${NS}::labelframe $w.repo -text [mc "%s Repository" [reponame]]
 	${NS}::labelframe $w.global -text [mc "Global (All Repositories)"]
 	pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
 	pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5

 	set optid 0
 	foreach option {
 		{t user.name {mc "User Name"}}
 		{t user.email {mc "Email Address"}}

 		{b merge.summary {mc "Summarize Merge Commits"}}
 		{i-1..5 merge.verbosity {mc "Merge Verbosity"}}
 		{b merge.diffstat {mc "Show Diffstat After Merge"}}
 		{t merge.tool {mc "Use Merge Tool"}}

 		{b gui.trustmtime  {mc "Trust File Modification Timestamps"}}
 		{b gui.pruneduringfetch {mc "Prune Tracking Branches During Fetch"}}
 		{b gui.matchtrackingbranch {mc "Match Tracking Branches"}}
 		{b gui.textconv {mc "Use Textconv For Diffs and Blames"}}
 		{b gui.fastcopyblame {mc "Blame Copy Only On Changed Files"}}
 		{i-0..100 gui.maxrecentrepo {mc "Maximum Length of Recent Repositories List"}}
 		{i-20..200 gui.copyblamethreshold {mc "Minimum Letters To Blame Copy On"}}
 		{i-0..300 gui.blamehistoryctx {mc "Blame History Context Radius (days)"}}
 		{i-1..99 gui.diffcontext {mc "Number of Diff Context Lines"}}
 		{t gui.diffopts {mc "Additional Diff Parameters"}}
 		{i-0..99 gui.commitmsgwidth {mc "Commit Message Text Width"}}
 		{t gui.newbranchtemplate {mc "New Branch Name Template"}}
 		{c gui.encoding {mc "Default File Contents Encoding"}}
 		{b gui.warndetachedcommit {mc "Warn before committing to a detached head"}}
 		{s gui.stageuntracked {mc "Staging of untracked files"} {list "yes" "no" "ask"}}
 		{b gui.displayuntracked {mc "Show untracked files"}}
 		{i-1..99 gui.tabsize {mc "Tab spacing"}}
 		} {
 		set type [lindex $option 0]
 		set name [lindex $option 1]
 		set text [eval [lindex $option 2]]
 		incr optid
 		foreach f {repo global} {
 			switch -glob -- $type {
 			b {
 				${NS}::checkbutton $w.$f.$optid -text $text \
 					-variable ${f}_config_new($name) \
 					-onvalue true \
 					-offvalue false
 				pack $w.$f.$optid -side top -anchor w
 			}
 			i-* {
 				regexp -- {-(\d+)\.\.(\d+)$} $type _junk min max
 				${NS}::frame $w.$f.$optid
 				${NS}::label $w.$f.$optid.l -text [mc "%s:" $text]
 				pack $w.$f.$optid.l -side left -anchor w -fill x
 				tspinbox $w.$f.$optid.v \
 					-textvariable ${f}_config_new($name) \
 					-from $min \
 					-to $max \
 					-increment 1 \
 					-width [expr {1 + [string length $max]}]
 				bind $w.$f.$optid.v <FocusIn> {%W selection range 0 end}
 				pack $w.$f.$optid.v -side right -anchor e -padx 5
 				pack $w.$f.$optid -side top -anchor w -fill x
 			}
 			c -
 			t {
 				${NS}::frame $w.$f.$optid
 				${NS}::label $w.$f.$optid.l -text [mc "%s:" $text]
 				${NS}::entry $w.$f.$optid.v \
 					-width 20 \
 					-textvariable ${f}_config_new($name)
 				pack $w.$f.$optid.l -side left -anchor w
 				pack $w.$f.$optid.v -side left -anchor w \
 					-fill x -expand 1 \
 					-padx 5
 				if {$type eq {c}} {
 					menu $w.$f.$optid.m
 					build_encoding_menu $w.$f.$optid.m \
 						[list set ${f}_config_new($name)] 1
 					${NS}::button $w.$f.$optid.b \
 						-text [mc "Change"] \
 						-command [list popup_btn_menu \
 							$w.$f.$optid.m $w.$f.$optid.b]
 					pack $w.$f.$optid.b -side left -anchor w
 				}
 				pack $w.$f.$optid -side top -anchor w -fill x
 			}
 			s {
 				set opts [eval [lindex $option 3]]
 				${NS}::frame $w.$f.$optid
 				${NS}::label $w.$f.$optid.l -text [mc "%s:" $text]
 				if {$use_ttk} {
 					ttk::combobox $w.$f.$optid.v \
 						-textvariable ${f}_config_new($name) \
 						-values $opts -state readonly
 				} else {
 					eval tk_optionMenu $w.$f.$optid.v \
 						${f}_config_new($name) \
 						$opts
 				}
 				pack $w.$f.$optid.l -side left -anchor w -fill x
 				pack $w.$f.$optid.v -side right -anchor e -padx 5
 				pack $w.$f.$optid -side top -anchor w -fill x
 			}
 			}
 		}
 	}

 	set all_dicts [linsert \
 		[spellcheck::available_langs] \
 		0 \
 		none]
 	incr optid
 	foreach f {repo global} {
 		if {![info exists ${f}_config_new(gui.spellingdictionary)]} {
 			if {[info exists ui_comm_spell]} {
 				set value [$ui_comm_spell lang]
 			} else {
 				set value none
 			}
 			set ${f}_config_new(gui.spellingdictionary) $value
 		}

 		${NS}::frame $w.$f.$optid
 		${NS}::label $w.$f.$optid.l -text [mc "Spelling Dictionary:"]
 		if {$use_ttk} {
 			ttk::combobox $w.$f.$optid.v \
 				-textvariable ${f}_config_new(gui.spellingdictionary) \
 				-values $all_dicts -state readonly
 		} else {
 			eval tk_optionMenu $w.$f.$optid.v \
 				${f}_config_new(gui.spellingdictionary) \
 				$all_dicts
 		}
 		pack $w.$f.$optid.l -side left -anchor w -fill x
 		pack $w.$f.$optid.v -side right -anchor e -padx 5
 		pack $w.$f.$optid -side top -anchor w -fill x
 	}
 	unset all_dicts

 	set all_fonts [lsort [font families]]
 	foreach option $font_descs {
 		set name [lindex $option 0]
 		set font [lindex $option 1]
 		set text [eval [lindex $option 2]]

 		set global_config_new(gui.$font^^family) \
 			[font configure $font -family]
 		set global_config_new(gui.$font^^size) \
 			[font configure $font -size]

 		${NS}::frame $w.global.$name
 		${NS}::label $w.global.$name.l -text [mc "%s:" $text]
 		${NS}::button $w.global.$name.b \
 			-text [mc "Change Font"] \
 			-command [list \
 				tchoosefont \
 				$w \
 				[mc "Choose %s" $text] \
 				global_config_new(gui.$font^^family) \
 				global_config_new(gui.$font^^size) \
 				]
 		${NS}::label $w.global.$name.f -textvariable global_config_new(gui.$font^^family)
 		${NS}::label $w.global.$name.s -textvariable global_config_new(gui.$font^^size)
 		${NS}::label $w.global.$name.pt -text [mc "pt."]
 		pack $w.global.$name.l -side left -anchor w
 		pack $w.global.$name.b -side right -anchor e
 		pack $w.global.$name.pt -side right -anchor w
 		pack $w.global.$name.s -side right -anchor w
 		pack $w.global.$name.f -side right -anchor w
 		pack $w.global.$name -side top -anchor w -fill x
 	}

 	bind $w <Visibility> "grab $w; focus $w.buttons.save"
 	bind $w <Key-Escape> "destroy $w"
 	bind $w <Key-Return> [list do_save_config $w]

 	if {[is_MacOSX]} {
 		set t [mc "Preferences"]
 	} else {
 		set t [mc "Options"]
 	}
 	wm title $w "[appname] ([reponame]): $t"
 	wm deiconify $w
 	tkwait window $w
 }

 proc do_restore_defaults {} {
 	global font_descs default_config repo_config system_config
 	global repo_config_new global_config_new

 	foreach name [array names default_config] {
 		set repo_config_new($name) $system_config($name)
 		set global_config_new($name) $system_config($name)
 	}

 	foreach option $font_descs {
 		set name [lindex $option 0]
 		set repo_config(gui.$name) $system_config(gui.$name)
 	}
 	apply_config

 	foreach option $font_descs {
 		set name [lindex $option 0]
 		set font [lindex $option 1]
 		set global_config_new(gui.$font^^family) \
 			[font configure $font -family]
 		set global_config_new(gui.$font^^size) \
 			[font configure $font -size]
 	}
 }

 proc do_save_config {w} {
 	if {![config_check_encodings]} return
 	if {[catch {save_config} err]} {
 		error_popup [strcat [mc "Failed to completely save options:"] "\n\n$err"]
 	}
 	reshow_diff
 	destroy $w
 }
	# git-gui options editor
	# Copyright (C) 2006, 2007 Shawn Pearce

	proc config_check_encodings {} {
	global repo_config_new global_config_new

	set enc $global_config_new(gui.encoding)
	if {$enc eq {}} {
	set global_config_new(gui.encoding) [encoding system]
	} elseif {[tcl_encoding $enc] eq {}} {
	error_popup [mc "Invalid global encoding '%s'" $enc]
	return 0
	}

	set enc $repo_config_new(gui.encoding)
	if {$enc eq {}} {
	set repo_config_new(gui.encoding) [encoding system]
	} elseif {[tcl_encoding $enc] eq {}} {
	error_popup [mc "Invalid repo encoding '%s'" $enc]
	return 0
	}

	return 1
	}

	proc save_config {} {
	global default_config font_descs
	global repo_config global_config system_config
	global repo_config_new global_config_new
	global ui_comm_spell

	foreach option $font_descs {
	set name [lindex $option 0]
	set font [lindex $option 1]
	font configure $font \
	-family $global_config_new(gui.$font^^family) \
	-size $global_config_new(gui.$font^^size)
	font configure ${font}bold \
	-family $global_config_new(gui.$font^^family) \
	-size $global_config_new(gui.$font^^size)
	font configure ${font}italic \
	-family $global_config_new(gui.$font^^family) \
	-size $global_config_new(gui.$font^^size)
	set global_config_new(gui.$name) [font configure $font]
	unset global_config_new(gui.$font^^family)
	unset global_config_new(gui.$font^^size)
	}

	foreach name [array names default_config] {
	set value $global_config_new($name)
	if {$value ne $global_config($name)} {
	if {$value eq $system_config($name)} {
	catch {git config --global --unset $name}
	} else {
	regsub -all "\[{}\]" $value {"} value
	git config --global $name $value
	}
	set global_config($name) $value
	if {$value eq $repo_config($name)} {
	catch {git config --unset $name}
	set repo_config($name) $value
	}
	}
	}

	foreach name [array names default_config] {
	set value $repo_config_new($name)
	if {$value ne $repo_config($name)} {
	if {$value eq $global_config($name)} {
	catch {git config --unset $name}
	} else {
	regsub -all "\[{}\]" $value {"} value
	git config $name $value
	}
	set repo_config($name) $value
	}
	}

	if {[info exists repo_config(gui.spellingdictionary)]} {
	set value $repo_config(gui.spellingdictionary)
	if {$value eq {none}} {
	if {[info exists ui_comm_spell]} {
	$ui_comm_spell stop
	}
	} elseif {[info exists ui_comm_spell]} {
	$ui_comm_spell lang $value
	}
	}
	}

	proc do_options {} {
	global repo_config global_config font_descs
	global repo_config_new global_config_new
	global ui_comm_spell use_ttk NS

	array unset repo_config_new
	array unset global_config_new
	foreach name [array names repo_config] {
	set repo_config_new($name) $repo_config($name)
	}
	load_config 1
	foreach name [array names repo_config] {
	switch -- $name {
	gui.diffcontext {continue}
	}
	set repo_config_new($name) $repo_config($name)
	}
	foreach name [array names global_config] {
	set global_config_new($name) $global_config($name)
	}

	set w .options_editor
	Dialog $w
	wm withdraw $w
	wm transient $w [winfo parent $w]
	wm geometry $w "+[winfo rootx .]+[winfo rooty .]"

	${NS}::frame $w.buttons
	${NS}::button $w.buttons.restore -text [mc "Restore Defaults"] \
	-default normal \
	-command do_restore_defaults
	pack $w.buttons.restore -side left
	${NS}::button $w.buttons.save -text [mc Save] \
	-default active \
	-command [list do_save_config $w]
	pack $w.buttons.save -side right
	${NS}::button $w.buttons.cancel -text [mc "Cancel"] \
	-default normal \
	-command [list destroy $w]
	pack $w.buttons.cancel -side right -padx 5
	pack $w.buttons -side bottom -fill x -pady 10 -padx 10

	${NS}::labelframe $w.repo -text [mc "%s Repository" [reponame]]
	${NS}::labelframe $w.global -text [mc "Global (All Repositories)"]
	pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
	pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5

	set optid 0
	foreach option {
	{t user.name {mc "User Name"}}
	{t user.email {mc "Email Address"}}

	{b merge.summary {mc "Summarize Merge Commits"}}
	{i-1..5 merge.verbosity {mc "Merge Verbosity"}}
	{b merge.diffstat {mc "Show Diffstat After Merge"}}
	{t merge.tool {mc "Use Merge Tool"}}

	{b gui.trustmtime {mc "Trust File Modification Timestamps"}}
	{b gui.pruneduringfetch {mc "Prune Tracking Branches During Fetch"}}
	{b gui.matchtrackingbranch {mc "Match Tracking Branches"}}
	{b gui.textconv {mc "Use Textconv For Diffs and Blames"}}
	{b gui.fastcopyblame {mc "Blame Copy Only On Changed Files"}}
	{i-0..100 gui.maxrecentrepo {mc "Maximum Length of Recent Repositories List"}}
	{i-20..200 gui.copyblamethreshold {mc "Minimum Letters To Blame Copy On"}}
	{i-0..300 gui.blamehistoryctx {mc "Blame History Context Radius (days)"}}
	{i-1..99 gui.diffcontext {mc "Number of Diff Context Lines"}}
	{t gui.diffopts {mc "Additional Diff Parameters"}}
	{i-0..99 gui.commitmsgwidth {mc "Commit Message Text Width"}}
	{t gui.newbranchtemplate {mc "New Branch Name Template"}}
	{c gui.encoding {mc "Default File Contents Encoding"}}
	{b gui.warndetachedcommit {mc "Warn before committing to a detached head"}}
	{s gui.stageuntracked {mc "Staging of untracked files"} {list "yes" "no" "ask"}}
	{b gui.displayuntracked {mc "Show untracked files"}}
	{i-1..99 gui.tabsize {mc "Tab spacing"}}
	} {
	set type [lindex $option 0]
	set name [lindex $option 1]
	set text [eval [lindex $option 2]]
	incr optid
	foreach f {repo global} {
	switch -glob -- $type {
	b {
	${NS}::checkbutton $w.$f.$optid -text $text \
	-variable ${f}_config_new($name) \
	-onvalue true \
	-offvalue false
	pack $w.$f.$optid -side top -anchor w
	}
	i-* {
	regexp -- {-(\d+)\.\.(\d+)$} $type _junk min max
	${NS}::frame $w.$f.$optid
	${NS}::label $w.$f.$optid.l -text [mc "%s:" $text]
	pack $w.$f.$optid.l -side left -anchor w -fill x
	tspinbox $w.$f.$optid.v \
	-textvariable ${f}_config_new($name) \
	-from $min \
	-to $max \
	-increment 1 \
	-width [expr {1 + [string length $max]}]
	bind $w.$f.$optid.v <FocusIn> {%W selection range 0 end}
	pack $w.$f.$optid.v -side right -anchor e -padx 5
	pack $w.$f.$optid -side top -anchor w -fill x
	}
	c -
	t {
	${NS}::frame $w.$f.$optid
	${NS}::label $w.$f.$optid.l -text [mc "%s:" $text]
	${NS}::entry $w.$f.$optid.v \
	-width 20 \
	-textvariable ${f}_config_new($name)
	pack $w.$f.$optid.l -side left -anchor w
	pack $w.$f.$optid.v -side left -anchor w \
	-fill x -expand 1 \
	-padx 5
	if {$type eq {c}} {
	menu $w.$f.$optid.m
	build_encoding_menu $w.$f.$optid.m \
	[list set ${f}_config_new($name)] 1
	${NS}::button $w.$f.$optid.b \
	-text [mc "Change"] \
	-command [list popup_btn_menu \
	$w.$f.$optid.m $w.$f.$optid.b]
	pack $w.$f.$optid.b -side left -anchor w
	}
	pack $w.$f.$optid -side top -anchor w -fill x
	}
	s {
	set opts [eval [lindex $option 3]]
	${NS}::frame $w.$f.$optid
	${NS}::label $w.$f.$optid.l -text [mc "%s:" $text]
	if {$use_ttk} {
	ttk::combobox $w.$f.$optid.v \
	-textvariable ${f}_config_new($name) \
	-values $opts -state readonly
	} else {
	eval tk_optionMenu $w.$f.$optid.v \
	${f}_config_new($name) \
	$opts
	}
	pack $w.$f.$optid.l -side left -anchor w -fill x
	pack $w.$f.$optid.v -side right -anchor e -padx 5
	pack $w.$f.$optid -side top -anchor w -fill x
	}
	}
	}
	}

	set all_dicts [linsert \
	[spellcheck::available_langs] \
	0 \
	none]
	incr optid
	foreach f {repo global} {
	if {![info exists ${f}_config_new(gui.spellingdictionary)]} {
	if {[info exists ui_comm_spell]} {
	set value [$ui_comm_spell lang]
	} else {
	set value none
	}
	set ${f}_config_new(gui.spellingdictionary) $value
	}

	${NS}::frame $w.$f.$optid
	${NS}::label $w.$f.$optid.l -text [mc "Spelling Dictionary:"]
	if {$use_ttk} {
	ttk::combobox $w.$f.$optid.v \
	-textvariable ${f}_config_new(gui.spellingdictionary) \
	-values $all_dicts -state readonly
	} else {
	eval tk_optionMenu $w.$f.$optid.v \
	${f}_config_new(gui.spellingdictionary) \
	$all_dicts
	}
	pack $w.$f.$optid.l -side left -anchor w -fill x
	pack $w.$f.$optid.v -side right -anchor e -padx 5
	pack $w.$f.$optid -side top -anchor w -fill x
	}
	unset all_dicts

	set all_fonts [lsort [font families]]
	foreach option $font_descs {
	set name [lindex $option 0]
	set font [lindex $option 1]
	set text [eval [lindex $option 2]]

	set global_config_new(gui.$font^^family) \
	[font configure $font -family]
	set global_config_new(gui.$font^^size) \
	[font configure $font -size]

	${NS}::frame $w.global.$name
	${NS}::label $w.global.$name.l -text [mc "%s:" $text]
	${NS}::button $w.global.$name.b \
	-text [mc "Change Font"] \
	-command [list \
	tchoosefont \
	$w \
	[mc "Choose %s" $text] \
	global_config_new(gui.$font^^family) \
	global_config_new(gui.$font^^size) \
	]
	${NS}::label $w.global.$name.f -textvariable global_config_new(gui.$font^^family)
	${NS}::label $w.global.$name.s -textvariable global_config_new(gui.$font^^size)
	${NS}::label $w.global.$name.pt -text [mc "pt."]
	pack $w.global.$name.l -side left -anchor w
	pack $w.global.$name.b -side right -anchor e
	pack $w.global.$name.pt -side right -anchor w
	pack $w.global.$name.s -side right -anchor w
	pack $w.global.$name.f -side right -anchor w
	pack $w.global.$name -side top -anchor w -fill x
	}

	bind $w <Visibility> "grab $w; focus $w.buttons.save"
	bind $w <Key-Escape> "destroy $w"
	bind $w <Key-Return> [list do_save_config $w]

	if {[is_MacOSX]} {
	set t [mc "Preferences"]
	} else {
	set t [mc "Options"]
	}
	wm title $w "[appname] ([reponame]): $t"
	wm deiconify $w
	tkwait window $w
	}

	proc do_restore_defaults {} {
	global font_descs default_config repo_config system_config
	global repo_config_new global_config_new

	foreach name [array names default_config] {
	set repo_config_new($name) $system_config($name)
	set global_config_new($name) $system_config($name)
	}

	foreach option $font_descs {
	set name [lindex $option 0]
	set repo_config(gui.$name) $system_config(gui.$name)
	}
	apply_config

	foreach option $font_descs {
	set name [lindex $option 0]
	set font [lindex $option 1]
	set global_config_new(gui.$font^^family) \
	[font configure $font -family]
	set global_config_new(gui.$font^^size) \
	[font configure $font -size]
	}
	}

	proc do_save_config {w} {
	if {![config_check_encodings]} return
	if {[catch {save_config} err]} {
	error_popup [strcat [mc "Failed to completely save options:"] "\n\n$err"]
	}
	reshow_diff
	destroy $w
	}