enhacements to the menu infraestructure (#978)

* Correct definition of btrfs standard layout

* Solve issue #936

* make ask_for_a_timezone as synonym to ask_timezone

* Some refining in GeneralMenu
secret is now a general function

* Revert "Some refining in GeneralMenu"

This reverts commit e6e131cb19795e0ddc169e897ae4df57a1c7f9fb.

* Activate load of preset values in GeneralMenu
Changed all select_functions definitions to the need of passing the preset value
Corrected problems at ask_to_configure_network, and management of preset values added

* minor glitches in menu processing, plus flake8 complains

* Changes to ask_to_configure_network following  @svartkanin code

* select_language adapted to preset value.
changes to the infraestructure to solve bugs

* functions adapted for preset values
* select_mirror_regions
* select_locale_lang
* select_locale_enc
* ask_for_swap

* Updated to preset values
* ask_for_bootloader
Won't use it
* set_root_password()

* Updated to preset values
* ask_for_audio_selection
* select_kernel
* ask_for_a_timezone

* Updated to use preset values
* select_ntp
* ask_ntp
* ask_for_swap
flake8 complains

* Adapted to preset values
* ask_additional_packages_to_install (from svartkanin)
* ask_to_configure_network (adapted from svartkanin version)

* Updated to preset values
* ask_hostname
* select_additional_repositories

* bug in nic conversion
_select_harddrives adapted to preset_menu

4 files changed, 135 insertions, 71 deletions

diff --git a/archinstall/__init__.py b/archinstall/__init__.py
index 9afefa0e..cb95028b 100644
--- a/archinstall/__init__.py
+++ b/archinstall/__init__.py
@@ -204,7 +204,7 @@ def load_config():
 	if arguments.get('servers', None) is not None:
 		storage['_selected_servers'] = arguments.get('servers', None)
 	if nic_config := arguments.get('nic', {}):
-		if nic_config.get('nic', '') == 'Copy ISO network configuration to installation':
+		if isinstance(nic_config,str) or nic_config.get('nic', '') == 'Copy ISO network configuration to installation':
 			arguments['nic'] = {'type': 'iso_config'}
 		elif 'NetworkManager' in nic_config:
 			arguments['nic'] = {'type': 'network_manager', 'NetworkManager': True}
diff --git a/archinstall/lib/menu/menu.py b/archinstall/lib/menu/menu.py
index ee4b87e3..962dcc4d 100644
--- a/archinstall/lib/menu/menu.py
+++ b/archinstall/lib/menu/menu.py
@@ -84,8 +84,6 @@ class Menu(TerminalMenu):
 		self.skip = skip
 		self.default_option = default_option
 		self.multi = multi
-		self.preselection(preset_values,cursor_index)
-
 		menu_title = f'\n{title}\n\n'
 
 		if skip:
@@ -97,6 +95,7 @@ class Menu(TerminalMenu):
 			default = f'{default_option} (default)'
 			self.menu_options = [default] + [o for o in self.menu_options if default_option != o]
 
+		self.preselection(preset_values,cursor_index)
 		cursor = "> "
 		main_menu_cursor_style = ("fg_cyan", "bold")
 		main_menu_style = ("bg_blue", "fg_gray")
@@ -154,22 +153,28 @@ class Menu(TerminalMenu):
 	def preselection(self,preset_values :list = [],cursor_index :int = None):
 		def from_preset_to_cursor():
 			if preset_values:
-				if isinstance(preset_values,str):
-					self.cursor_index = self.menu_options.index(preset_values)
-				else:  # should return an error, but this is smoother
-					self.cursor_index = self.menu_options.index(preset_values[0])
+				# if the value is not extant return 0 as cursor index
+				try:
+					if isinstance(preset_values,str):
+						self.cursor_index = self.menu_options.index(self.preset_values)
+					else:  # should return an error, but this is smoother
+						self.cursor_index = self.menu_options.index(self.preset_values[0])
+				except ValueError:
+					self.cursor_index = 0
 
-		self.preset_values = preset_values
 		self.cursor_index = cursor_index
-		if preset_values and cursor_index is None:
-			from_preset_to_cursor()
-		if preset_values and not self.multi: # Not supported by the infraestructure
+		if not preset_values:
 			self.preset_values = None
-			from_preset_to_cursor()
+			return
 
-		if self.default_option and self.multi:
+		self.preset_values = preset_values
+		if self.default_option:
 			if isinstance(preset_values,str) and self.default_option == preset_values:
 				self.preset_values = f"{preset_values} (default)"
 			elif isinstance(preset_values,(list,tuple)) and self.default_option in preset_values:
 				idx = preset_values.index(self.default_option)
 				self.preset_values[idx] = f"{preset_values[idx]} (default)"
+		if cursor_index is None or not self.multi:
+			from_preset_to_cursor()
+		if not self.multi: # Not supported by the infraestructure
+			self.preset_values = None
diff --git a/archinstall/lib/menu/selection_menu.py b/archinstall/lib/menu/selection_menu.py
index 97dfd2a7..a82e8a70 100644
--- a/archinstall/lib/menu/selection_menu.py
+++ b/archinstall/lib/menu/selection_menu.py
@@ -252,6 +252,7 @@ class GeneralMenu:
 		# we synch all the options just in case
 		for item in self.list_options():
 			self.synch(item)
+		self.post_callback  # as all the values can vary i have to exec this callback
 		cursor_pos = None
 		while True:
 			# Before continuing, set the preferred keyboard layout/language in the current terminal.
@@ -278,7 +279,7 @@ class GeneralMenu:
 			Returns true if the menu shall continue, False if it has ended
 		"""
 		# find the selected option in our option list
-		option = [[k, v] for k, v in self._menu_options.items() if v.text.strip() == selection]
+		option = [[k, v] for k, v in self._menu_options.items() if v.text.strip() == selection.strip()]
 		if len(option) != 1:
 			raise ValueError(f'Selection not found: {selection}')
 		selector_name = option[0][0]
@@ -303,8 +304,8 @@ class GeneralMenu:
 
 		result = None
 		if selector.func:
-			# TODO insert code to allow selector functions with preset value
-			result = selector.func()
+			presel_val = self.option(selector_name).get_selection()
+			result = selector.func(presel_val)
 			self._menu_options[selector_name].set_current_selection(result)
 			self._data_store[selector_name] = result
 		exec_ret_val = selector.exec_func(selector_name,result) if selector.exec_func else False
@@ -412,32 +413,33 @@ class GlobalMenu(GeneralMenu):
 		super().__init__(data_store=data_store, auto_cursor=True)
 
 	def _setup_selection_menu_options(self):
+		# archinstall.Language will not use preset values
 		self._menu_options['archinstall-language'] = \
 			Selector(
 				_('Select Archinstall language'),
-				lambda: self._select_archinstall_language('English'),
+				lambda x: self._select_archinstall_language('English'),
 				default='English',
 				enabled=True)
 		self._menu_options['keyboard-layout'] = \
-			Selector(_('Select keyboard layout'), lambda: select_language('us'), default='us')
+			Selector(_('Select keyboard layout'), lambda preset: select_language('us',preset), default='us')
 		self._menu_options['mirror-region'] = \
 			Selector(
 				_('Select mirror region'),
-				lambda: select_mirror_regions(),
+				select_mirror_regions,
 				display_func=lambda x: list(x.keys()) if x else '[]',
 				default={})
 		self._menu_options['sys-language'] = \
-			Selector(_('Select locale language'), lambda: select_locale_lang('en_US'), default='en_US')
+			Selector(_('Select locale language'), lambda preset: select_locale_lang('en_US',preset), default='en_US')
 		self._menu_options['sys-encoding'] = \
-			Selector(_('Select locale encoding'), lambda: select_locale_enc('utf-8'), default='utf-8')
+			Selector(_('Select locale encoding'), lambda preset: select_locale_enc('utf-8',preset), default='utf-8')
 		self._menu_options['harddrives'] = \
 			Selector(
 				_('Select harddrives'),
-				lambda: self._select_harddrives())
+				self._select_harddrives)
 		self._menu_options['disk_layouts'] = \
 			Selector(
 				_('Select disk layout'),
-				lambda: select_disk_layout(
+				lambda x: select_disk_layout(
 					storage['arguments'].get('harddrives', []),
 					storage['arguments'].get('advanced', False)
 				),
@@ -445,80 +447,82 @@ class GlobalMenu(GeneralMenu):
 		self._menu_options['!encryption-password'] = \
 			Selector(
 				_('Set encryption password'),
-				lambda: self._select_encrypted_password(),
+				lambda x: self._select_encrypted_password(),
 				display_func=lambda x: secret(x) if x else 'None',
 				dependencies=['harddrives'])
 		self._menu_options['swap'] = \
 			Selector(
 				_('Use swap'),
-				lambda: ask_for_swap(),
+				lambda preset: ask_for_swap(preset),
 				default=True)
 		self._menu_options['bootloader'] = \
 			Selector(
 				_('Select bootloader'),
-				lambda: ask_for_bootloader(storage['arguments'].get('advanced', False)),
+				lambda preset: ask_for_bootloader(storage['arguments'].get('advanced', False),preset),
 				default="systemd-bootctl" if has_uefi() else "grub-install")
 		self._menu_options['hostname'] = \
 			Selector(
 				_('Specify hostname'),
-				lambda: ask_hostname(),
+				ask_hostname,
 				default='archlinux')
+		# root password won't have preset value
 		self._menu_options['!root-password'] = \
 			Selector(
 				_('Set root password'),
-				lambda: self._set_root_password(),
+				lambda preset:self._set_root_password(),
 				display_func=lambda x: secret(x) if x else 'None')
 		self._menu_options['!superusers'] = \
 			Selector(
 				_('Specify superuser account'),
-				lambda: self._create_superuser_account(),
+				lambda x: self._create_superuser_account(),
 				dependencies_not=['!root-password'],
 				display_func=lambda x: list(x.keys()) if x else '')
 		self._menu_options['!users'] = \
 			Selector(
 				_('Specify user account'),
-				lambda: self._create_user_account(),
+				lambda x: self._create_user_account(),
 				default={},
 				display_func=lambda x: list(x.keys()) if x else '[]')
 		self._menu_options['profile'] = \
 			Selector(
 				_('Specify profile'),
-				lambda: self._select_profile(),
+				lambda x: self._select_profile(),
 				display_func=lambda x: x if x else 'None')
 		self._menu_options['audio'] = \
 			Selector(
 				_('Select audio'),
-				lambda: ask_for_audio_selection(is_desktop_profile(storage['arguments'].get('profile', None))))
+				lambda preset: ask_for_audio_selection(is_desktop_profile(storage['arguments'].get('profile', None)),preset))
 		self._menu_options['kernels'] = \
 			Selector(
 				_('Select kernels'),
-				lambda: select_kernel(),
+				lambda preset: select_kernel(preset),
 				default=['linux'])
 		self._menu_options['packages'] = \
 			Selector(
 				_('Additional packages to install'),
-				lambda: ask_additional_packages_to_install(storage['arguments'].get('packages', None)),
+				# lambda x: ask_additional_packages_to_install(storage['arguments'].get('packages', None)),
+				ask_additional_packages_to_install,
 				default=[])
 		self._menu_options['additional-repositories'] = \
 			Selector(
 				_('Additional repositories to enable'),
-				lambda: select_additional_repositories(),
+				select_additional_repositories,
 				default=[])
 		self._menu_options['nic'] = \
 			Selector(
 				_('Configure network'),
-				lambda: ask_to_configure_network(),
+				ask_to_configure_network,
 				display_func=lambda x: x if x else _('Not configured, unavailable unless setup manually'),
 				default={})
 		self._menu_options['timezone'] = \
 			Selector(
 				_('Select timezone'),
-				lambda: ask_for_a_timezone(),
+				lambda preset: ask_for_a_timezone(preset),
 				default='UTC')
 		self._menu_options['ntp'] = \
 			Selector(
 				_('Set automatic time sync (NTP)'),
-				lambda: self._select_ntp(),
+				lambda preset: self._select_ntp(preset),
 				default=True)
 		self._menu_options['install'] = \
 			Selector(
@@ -591,20 +595,20 @@ class GlobalMenu(GeneralMenu):
 		else:
 			return None
 
-	def _select_ntp(self) -> bool:
-		ntp = ask_ntp()
+	def _select_ntp(self, preset :bool = True) -> bool:
+		ntp = ask_ntp(preset)
 
 		value = str(ntp).lower()
 		SysCommand(f'timedatectl set-ntp {value}')
 
 		return ntp
 
-	def _select_harddrives(self):
-		old_haddrives = storage['arguments'].get('harddrives', [])
-		harddrives = select_harddrives()
+	def _select_harddrives(self, old_harddrives : list) -> list:
+		# old_haddrives = storage['arguments'].get('harddrives', [])
+		harddrives = select_harddrives(old_harddrives)
 
 		# in case the harddrives got changed we have to reset the disk layout as well
-		if old_haddrives != harddrives:
+		if old_harddrives != harddrives:
 			self._menu_options.get('disk_layouts').set_current_selection(None)
 			storage['arguments']['disk_layouts'] = {}
 
diff --git a/archinstall/lib/user_interaction.py b/archinstall/lib/user_interaction.py
index f01f7597..ddd388dc 100644
--- a/archinstall/lib/user_interaction.py
+++ b/archinstall/lib/user_interaction.py
@@ -9,6 +9,7 @@ import signal
 import sys
 import time
 from collections.abc import Iterable
+from copy import copy
 from typing import List, Any, Optional, Dict, Union, TYPE_CHECKING
 
 # https://stackoverflow.com/a/39757388/929999
@@ -274,21 +275,29 @@ class MiniCurses:
 			return response
 
 
-def ask_for_swap():
+def ask_for_swap(preset :bool = True) -> bool:
+	if preset:
+		preset_val = 'yes'
+	else:
+		preset_val = 'no'
 	prompt = _('Would you like to use swap on zram?')
-	choice = Menu(prompt, ['yes', 'no'], default_option='yes').run()
+	choice = Menu(prompt, ['yes', 'no'], default_option='yes', preset_values=preset_val).run()
 	return False if choice == 'no' else True
 
 
-def ask_ntp() -> bool:
+def ask_ntp(preset :bool = True) -> bool:
 	prompt = str(_('Would you like to use automatic time synchronization (NTP) with the default time servers?\n'))
 	prompt += str(_('Hardware time and other post-configuration steps might be required in order for NTP to work.\nFor more information, please check the Arch wiki'))
-	choice = Menu(prompt, ['yes', 'no'], skip=False, default_option='yes').run()
+	if preset:
+		preset_val = 'yes'
+	else:
+		preset_val = 'no'
+	choice = Menu(prompt, ['yes', 'no'], skip=False, preset_values=preset_val, default_option='yes').run()
 	return False if choice == 'no' else True
 
 
-def ask_hostname():
-	hostname = input(_('Desired hostname for the installation: ')).strip(' ')
+def ask_hostname(preset :str = None) -> str :
+	hostname = TextInput(_('Desired hostname for the installation: '),preset).run().strip(' ')
 	return hostname
 
 
@@ -341,7 +350,7 @@ def ask_for_additional_users(prompt :str = '') -> tuple[dict[str, dict[str, str
 	return users, superusers
 
 
-def ask_for_a_timezone() -> str:
+def ask_for_a_timezone(preset :str = None) -> str:
 	timezones = list_timezones()
 	default = 'UTC'
 
@@ -349,18 +358,28 @@ def ask_for_a_timezone() -> str:
 		_('Select a timezone'),
 		list(timezones),
 		skip=False,
+		preset_values=preset,
 		default_option=default
 	).run()
 
 	return selected_tz
 
-def ask_for_bootloader(advanced_options :bool = False) -> str:
+def ask_for_bootloader(advanced_options :bool = False, preset :str = None) -> str:
+
+	if preset == 'systemd-bootctl':
+		preset_val = 'systemd-boot' if advanced_options else 'no'
+	elif preset == 'grub-install':
+		preset_val = 'grub' if advanced_options else 'yes'
+	else:
+		preset_val = preset
+
 	bootloader = "systemd-bootctl" if has_uefi() else "grub-install"
 	if has_uefi():
 		if not advanced_options:
 			bootloader_choice = Menu(
 				_('Would you like to use GRUB as a bootloader instead of systemd-boot?'),
 				['yes', 'no'],
+				preset_values=preset_val,
 				default_option='no'
 			).run()
 
@@ -369,7 +388,7 @@ def ask_for_bootloader(advanced_options :bool = False) -> str:
 		else:
 			# We use the common names for the bootloader as the selection, and map it back to the expected values.
 			choices = ['systemd-boot', 'grub', 'efistub']
-			selection = Menu(_('Choose a bootloader'), choices).run()
+			selection = Menu(_('Choose a bootloader'), choices,preset_values=preset_val).run()
 			if selection != "":
 				if selection == 'systemd-boot':
 					bootloader = 'systemd-bootctl'
@@ -381,12 +400,13 @@ def ask_for_bootloader(advanced_options :bool = False) -> str:
 	return bootloader
 
 
-def ask_for_audio_selection(desktop :bool = True) -> str:
+def ask_for_audio_selection(desktop :bool = True, preset :str = None) -> str:
 	audio = 'pipewire' if desktop else 'none'
 	choices = ['pipewire', 'pulseaudio'] if desktop else ['pipewire', 'pulseaudio', 'none']
 	selected_audio = Menu(
 		_('Choose an audio server'),
 		choices,
+		preset_values=preset,
 		default_option=audio,
 		skip=False
 	).run()
@@ -424,7 +444,7 @@ def ask_additional_packages_to_install(pre_set_packages :List[str] = []) -> List
 	return packages
 
 
-def ask_to_configure_network() -> Dict[str, Any]:
+def ask_to_configure_network(preset :Dict[str, Any] = {}) -> Dict[str, Any]:
 	# Optionally configure one network interface.
 	# while 1:
 	# {MAC: Ifname}
@@ -433,12 +453,27 @@ def ask_to_configure_network() -> Dict[str, Any]:
 		'network_manager': str(_('Use NetworkManager (necessary to configure internet graphically in GNOME and KDE)')),
 		**list_interfaces()
 	}
+	# for this routine it's easier to set the cursor position rather than a preset value
+	cursor_idx = None
+	if preset:
+		if preset['type'] == 'iso_config':
+			cursor_idx = 0
+		elif preset['type'] == 'network_manager':
+			cursor_idx = 1
+		else:
+			try :
+				# let's hope order in dictionaries stay
+				cursor_idx = list(interfaces.values()).index(preset.get('type'))
+			except ValueError:
+				pass
 
-	nic = Menu(_('Select one network interface to configure'), list(interfaces.values())).run()
+	nic = Menu(_('Select one network interface to configure'), interfaces.values(),cursor_index=cursor_idx).run()
 
 	if not nic:
 		return {}
 
+	# nic = network_manager_nt
+
 	if nic == interfaces['iso_config']:
 		return {'type': 'iso_config'}
 	elif nic == interfaces['network_manager']:
@@ -448,16 +483,23 @@ def ask_to_configure_network() -> Dict[str, Any]:
 		# For selecting modes without entering text within brackets,
 		# printing out this part separate from options, passed in
 		# `generic_select`
+		# we only keep data if it is the same nic as before
+		if preset.get('type') != nic:
+			preset_d = {'type': nic, 'dhcp': True, 'ip': None, 'gateway': None, 'dns': []}
+		else:
+			preset_d = copy(preset)
+
 		modes = ['DHCP (auto detect)', 'IP (static)']
 		default_mode = 'DHCP (auto detect)'
+		cursor_idx = 0 if preset_d.get('dhcp',True) else 1
 
 		prompt = _('Select which mode to configure for "{}" or skip to use default mode "{}"').format(nic, default_mode)
-		mode = Menu(prompt, modes, default_option=default_mode).run()
-
+		mode = Menu(prompt, modes, default_option=default_mode, cursor_index=cursor_idx).run()
+		# TODO preset values for ip and gateway
 		if mode == 'IP (static)':
 			while 1:
 				prompt = _('Enter the IP and subnet for {} (example: 192.168.0.5/24): ').format(nic)
-				ip = input(prompt).strip()
+				ip = TextInput(prompt,preset_d.get('ip')).run().strip()
 				# Implemented new check for correct IP/subnet input
 				try:
 					ipaddress.ip_interface(ip)
@@ -471,7 +513,7 @@ def ask_to_configure_network() -> Dict[str, Any]:
 
 			# Implemented new check for correct gateway IP address
 			while 1:
-				gateway = input(_('Enter your gateway (router) IP address or leave blank for none: ')).strip()
+				gateway = TextInput(_('Enter your gateway (router) IP address or leave blank for none: '),preset_d.get('gateway')).run().strip()
 				try:
 					if len(gateway) == 0:
 						gateway = None
@@ -486,7 +528,11 @@ def ask_to_configure_network() -> Dict[str, Any]:
 					)
 
 			dns = None
-			dns_input = input(_('Enter your DNS servers (space separated, blank for none): ')).strip()
+			if preset_d.get('dns'):
+				preset_d['dns'] = ' '.join(preset_d['dns'])
+			else:
+				preset_d['dns'] = None
+			dns_input = TextInput(_('Enter your DNS servers (space separated, blank for none): '),preset_d['dns']).run().strip()
 
 			if len(dns_input):
 				dns = dns_input.split(' ')
@@ -847,7 +893,7 @@ def select_profile() -> Optional[Profile]:
 	return None
 
 
-def select_language(default_value :str) -> str:
+def select_language(default_value :str, preset_value :str = None) -> str:
 	"""
 	Asks the user to select a language
 	Usually this is combined with :ref:`archinstall.list_keyboard_languages`.
@@ -861,11 +907,11 @@ def select_language(default_value :str) -> str:
 	# allows for searching anyways
 	sorted_kb_lang = sorted(sorted(list(kb_lang)), key=len)
 
-	selected_lang = Menu(_('Select Keyboard layout'), sorted_kb_lang, default_option=default_value, sort=False).run()
+	selected_lang = Menu(_('Select Keyboard layout'), sorted_kb_lang, default_option=default_value, preset_values=preset_value, sort=False).run()
 	return selected_lang
 
 
-def select_mirror_regions() -> Dict[str, Any]:
+def select_mirror_regions(preset_values :Dict[str, Any] = {}) -> Dict[str, Any]:
 	"""
 	Asks the user to select a mirror or region
 	Usually this is combined with :ref:`archinstall.list_mirrors`.
@@ -873,11 +919,15 @@ def select_mirror_regions() -> Dict[str, Any]:
 	:return: The dictionary information about a mirror/region.
 	:rtype: dict
 	"""
-
+	if preset_values is None:
+		preselected = None
+	else:
+		preselected = list(preset_values.keys())
 	mirrors = list_mirrors()
 	selected_mirror = Menu(
 		_('Select one of the regions to download packages from'),
 		list(mirrors.keys()),
+		preset_values=preselected,
 		multi=True
 	).run()
 
@@ -887,7 +937,7 @@ def select_mirror_regions() -> Dict[str, Any]:
 	return {}
 
 
-def select_harddrives() -> Optional[str]:
+def select_harddrives(preset : List[str] = []) -> List[str]:
 	"""
 	Asks the user to select one or multiple hard drives
 
@@ -896,10 +946,11 @@ def select_harddrives() -> Optional[str]:
 	"""
 	hard_drives = all_blockdevices(partitions=False).values()
 	options = {f'{option}': option for option in hard_drives}
-
+	preset_disks = {f'{option}':option for option in preset}
 	selected_harddrive = Menu(
 		_('Select one or more hard drives to use and configure'),
 		list(options.keys()),
+		preset_values=list(preset_disks.keys()),
 		multi=True
 	).run()
 
@@ -943,7 +994,7 @@ def select_driver(options :Dict[str, Any] = AVAILABLE_GFX_DRIVERS, force_ask :bo
 	raise RequirementError("Selecting drivers require a least one profile to be given as an option.")
 
 
-def select_kernel() -> List[str]:
+def select_kernel(preset :List[str] = None) -> List[str]:
 	"""
 	Asks the user to select a kernel for system.
 
@@ -959,11 +1010,12 @@ def select_kernel() -> List[str]:
 		kernels,
 		sort=True,
 		multi=True,
+		preset_values=preset,
 		default_option=default_kernel
 	).run()
 	return selected_kernels
 
-def select_additional_repositories() -> List[str]:
+def select_additional_repositories(preset :List[str]) -> List[str]:
 	"""
 	Allows the user to select additional repositories (multilib, and testing) if desired.
 
@@ -978,6 +1030,7 @@ def select_additional_repositories() -> List[str]:
 		repositories,
 		sort=False,
 		multi=True,
+		preset_values=preset,
 		default_option=[]
 	).run()
 
@@ -986,7 +1039,7 @@ def select_additional_repositories() -> List[str]:
 
 	return []
 
-def select_locale_lang(default):
+def select_locale_lang(default :str,preset :str = None) -> str  :
 	locales = list_locales()
 	locale_lang = set([locale.split()[0] for locale in locales])
 
@@ -994,13 +1047,14 @@ def select_locale_lang(default):
 		_('Choose which locale language to use'),
 		locale_lang,
 		sort=True,
+		preset_values=preset,
 		default_option=default
 	).run()
 
 	return selected_locale
 
 
-def select_locale_enc(default):
+def select_locale_enc(default :str,preset :str = None) -> str:
 	locales = list_locales()
 	locale_enc = set([locale.split()[1] for locale in locales])
 
@@ -1008,6 +1062,7 @@ def select_locale_enc(default):
 		_('Choose which locale encoding to use'),
 		locale_enc,
 		sort=True,
+		preset_values=preset,
 		default_option=default
 	).run()