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minetest/builtin/mainmenu/tab_settings.lua

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--Minetest
--Copyright (C) 2015 PilzAdam
--
--This program is free software; you can redistribute it and/or modify
--it under the terms of the GNU Lesser General Public License as published by
--the Free Software Foundation; either version 2.1 of the License, or
--(at your option) any later version.
--
--This program is distributed in the hope that it will be useful,
--but WITHOUT ANY WARRANTY; without even the implied warranty of
--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
--GNU Lesser General Public License for more details.
--
--You should have received a copy of the GNU Lesser General Public License along
--with this program; if not, write to the Free Software Foundation, Inc.,
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
local FILENAME = "settingtypes.txt"
local function parse_setting_line(settings, line)
-- empty lines
if line:match("^[%s]*$") then
-- clear current_comment so only comments directly above a setting are bound to it
settings.current_comment = ""
return
end
-- category
local category = line:match("^%[([^%]]+)%]$")
if category then
local level = 0
local index = 1
while category:sub(index, index) == "*" do
level = level + 1
index = index + 1
end
category = category:sub(index, -1)
table.insert(settings, {
name = category,
level = level,
type = "category",
})
return
end
-- comment
local comment = line:match("^#[%s]*(.*)$")
if comment then
if settings.current_comment == "" then
settings.current_comment = comment
else
settings.current_comment = settings.current_comment .. "\n" .. comment
end
return
end
-- settings
local first_part, name, readable_name, setting_type =
line:match("^(([%w%._-]+)[%s]+%(([^%)]*)%)[%s]+([%w_]+)[%s]*)")
if first_part then
if readable_name == "" then
readable_name = nil
end
local remaining_line = line:sub(first_part:len() + 1)
if setting_type == "int" then
local default, min, max = remaining_line:match("^([%d]+)[%s]*([%d]*)[%s]*([%d]*)$")
if default and tonumber(default) then
if min == "" then
min = nil
end
if max == "" then
max = nil
end
table.insert(settings, {
name = name,
readable_name = readable_name,
type = "int",
default = default,
min = min,
max = max,
comment = settings.current_comment,
})
else
core.log("error", "Found invalid int in " .. FILENAME .. ": " .. line)
end
elseif setting_type == "string" or setting_type == "flags" or setting_type == "noise_params" then
local default = remaining_line:match("^[%s]*(.*)$")
if default then
table.insert(settings, {
name = name,
readable_name = readable_name,
type = setting_type,
default = default,
comment = settings.current_comment,
})
else
core.log("error", "Found invalid string in " .. FILENAME .. ": " .. line)
end
elseif setting_type == "bool" then
if remaining_line == "false" or remaining_line == "true" then
table.insert(settings, {
name = name,
readable_name = readable_name,
type = "bool",
default = remaining_line,
comment = settings.current_comment,
})
else
core.log("error", "Found invalid bool in " .. FILENAME .. ": " .. line)
end
elseif setting_type == "float" then
local default, min, max
= remaining_line:match("^([%d%.]+)[%s]*([%d%.]*)[%s]*([%d%.]*)$")
if default and tonumber(default) then
if min == "" then
min = nil
end
if max == "" then
max = nil
end
table.insert(settings, {
name = name,
readable_name = readable_name,
type = "float",
default = default,
min = min,
max = max,
comment = settings.current_comment,
})
else
core.log("error", "Found invalid float in " .. FILENAME .. ": " .. line)
end
elseif setting_type == "enum" then
local default, values = remaining_line:match("^([^%s]+)[%s]+(.+)$")
if default and values ~= "" then
table.insert(settings, {
name = name,
readable_name = readable_name,
type = "enum",
default = default,
values = values:split(","),
comment = settings.current_comment,
})
else
core.log("error", "Found invalid enum in " .. FILENAME .. ": " .. line)
end
elseif setting_type == "path" then
local default = remaining_line:match("^[%s]*(.*)$")
if default then
table.insert(settings, {
name = name,
readable_name = readable_name,
type = "path",
default = default,
comment = settings.current_comment,
})
else
core.log("error", "Found invalid path in " .. FILENAME .. ": " .. line)
end
elseif setting_type == "key" then
--ignore keys, since we have a special dialog for them
-- TODO: flags, noise_params (, struct)
else
core.log("error", "Found setting with invalid setting type in " .. FILENAME .. ": " .. line)
end
else
core.log("error", "Found invalid line in " .. FILENAME .. ": " .. line)
end
-- clear current_comment since we just used it
-- if we not just used it, then clear it since we only want comments
-- directly above the setting to be bound to it
settings.current_comment = ""
end
local function parse_config_file()
local file = io.open(core.get_builtin_path() .. DIR_DELIM .. FILENAME, "r")
local settings = {}
if not file then
core.log("error", "Can't load " .. FILENAME)
return settings
end
-- store this helper variable in the table so it's easier to pass to parse_setting_line()
settings.current_comment = ""
local line = file:read("*line")
while line do
parse_setting_line(settings, line)
line = file:read("*line")
end
settings.current_comment = nil
file:close()
return settings
end
local settings = parse_config_file()
local selected_setting = 1
local function get_current_value(setting)
local value = core.setting_get(setting.name)
if value == nil then
value = setting.default
end
return value
end
local function create_change_setting_formspec(dialogdata)
local setting = settings[selected_setting]
local formspec = "size[10,5.2,true]" ..
"button[5,4.5;2,1;btn_done;" .. fgettext("Save") .. "]" ..
"button[3,4.5;2,1;btn_cancel;" .. fgettext("Cancel") .. "]" ..
"tablecolumns[color;text]" ..
"tableoptions[background=#00000000;highlight=#00000000;border=false]" ..
"table[0,0;10,3;info;"
if setting.readable_name then
formspec = formspec .. "#FFFF00," .. fgettext(setting.readable_name)
.. " (" .. core.formspec_escape(setting.name) .. "),"
else
formspec = formspec .. "#FFFF00," .. core.formspec_escape(setting.name) .. ","
end
formspec = formspec .. ",,"
for _, comment_line in ipairs(fgettext_ne(setting.comment):split("\n")) do
formspec = formspec .. "," .. core.formspec_escape(comment_line) .. ","
end
formspec = formspec .. ";1]"
if setting.type == "bool" then
local selected_index
if core.is_yes(get_current_value(setting)) then
selected_index = 2
else
selected_index = 1
end
formspec = formspec .. "dropdown[0.5,3.5;3,1;dd_setting_value;"
.. fgettext("Disabled") .. "," .. fgettext("Enabled") .. ";" .. selected_index .. "]"
elseif setting.type == "enum" then
local selected_index = 0
formspec = formspec .. "dropdown[0.5,3.5;3,1;dd_setting_value;"
for index, value in ipairs(setting.values) do
-- translating value is not possible, since it's the value
-- that we set the setting to
formspec = formspec .. core.formspec_escape(value) .. ","
if get_current_value(setting) == value then
selected_index = index
end
end
if #setting.values > 0 then
formspec = formspec:sub(1, -2) -- remove trailing comma
end
formspec = formspec .. ";" .. selected_index .. "]"
elseif setting.type == "path" then
local current_value = dialogdata.selected_path
if not current_value then
current_value = get_current_value(setting)
end
formspec = formspec .. "field[0.5,4;7.5,1;te_setting_value;;"
.. core.formspec_escape(current_value) .. "]"
.. "button[8,3.75;2,1;btn_browser_path;" .. fgettext("Browse") .. "]"
else
-- TODO: fancy input for float, int, flags, noise_params
formspec = formspec .. "field[0.5,4;9.5,1;te_setting_value;;"
.. core.formspec_escape(get_current_value(setting)) .. "]"
end
return formspec
end
local function handle_change_setting_buttons(this, fields)
if fields["btn_done"] or fields["key_enter"] then
local setting = settings[selected_setting]
if setting.type == "bool" then
local new_value = fields["dd_setting_value"]
-- Note: new_value is the actual (translated) value shown in the dropdown
core.setting_setbool(setting.name, new_value == fgettext("Enabled"))
elseif setting.type == "enum" then
local new_value = fields["dd_setting_value"]
core.setting_set(setting.name, new_value)
else
local new_value = fields["te_setting_value"]
core.setting_set(setting.name, new_value)
end
core.setting_save()
this:delete()
return true
end
if fields["btn_cancel"] then
this:delete()
return true
end
if fields["btn_browser_path"] then
core.show_file_open_dialog("dlg_browse_path", fgettext_ne("Select path"))
end
if fields["dlg_browse_path_accepted"] then
this.data.selected_path = fields["dlg_browse_path_accepted"]
core.update_formspec(this:get_formspec())
end
return false
end
local function create_settings_formspec(tabview, name, tabdata)
local formspec = "tablecolumns[color;tree;text;text]" ..
"tableoptions[background=#00000000;border=false]" ..
"table[0,0;12,4.5;list_settings;"
local current_level = 0
for _, entry in ipairs(settings) do
local name
if not core.setting_getbool("main_menu_technical_settings") and entry.readable_name then
name = fgettext_ne(entry.readable_name)
else
name = entry.name
end
if entry.type == "category" then
current_level = entry.level
formspec = formspec .. "#FFFF00," .. current_level .. "," .. core.formspec_escape(name) .. ",,"
elseif entry.type == "bool" then
local value = get_current_value(entry)
if core.is_yes(value) then
value = fgettext("Enabled")
else
value = fgettext("Disabled")
end
formspec = formspec .. "," .. (current_level + 1) .. "," .. core.formspec_escape(name) .. ","
.. value .. ","
else
formspec = formspec .. "," .. (current_level + 1) .. "," .. core.formspec_escape(name) .. ","
.. core.formspec_escape(get_current_value(entry)) .. ","
end
end
if #settings > 0 then
formspec = formspec:sub(1, -2) -- remove trailing comma
end
formspec = formspec .. ";" .. selected_setting .. "]" ..
"button[4,4.5;3,1;btn_change_keys;".. fgettext("Change keys") .. "]" ..
"button[10,4.5;2,1;btn_edit;" .. fgettext("Edit") .. "]" ..
"button[7,4.5;3,1;btn_restore;" .. fgettext("Restore Default") .. "]" ..
"checkbox[0,4.5;cb_tech_settings;" .. fgettext("Show technical names") .. ";"
.. dump(core.setting_getbool("main_menu_technical_settings")) .. "]"
return formspec
end
local function handle_settings_buttons(this, fields, tabname, tabdata)
local list_enter = false
if fields["list_settings"] then
selected_setting = core.get_table_index("list_settings")
if core.explode_table_event(fields["list_settings"]).type == "DCL" then
-- Directly toggle booleans
local setting = settings[selected_setting]
if setting.type == "bool" then
local current_value = get_current_value(setting)
core.setting_setbool(setting.name, not core.is_yes(current_value))
core.setting_save()
return true
else
list_enter = true
end
else
return true
end
end
if fields["btn_edit"] or list_enter then
local setting = settings[selected_setting]
if setting.type ~= "category" then
local edit_dialog = dialog_create("change_setting", create_change_setting_formspec,
handle_change_setting_buttons)
edit_dialog:set_parent(this)
this:hide()
edit_dialog:show()
end
return true
end
if fields["btn_restore"] then
local setting = settings[selected_setting]
if setting.type ~= "category" then
core.setting_set(setting.name, setting.default)
core.setting_save()
core.update_formspec(this:get_formspec())
end
return true
end
if fields["btn_change_keys"] then
core.show_keys_menu()
return true
end
if fields["cb_tech_settings"] then
core.setting_set("main_menu_technical_settings", fields["cb_tech_settings"])
core.setting_save()
core.update_formspec(this:get_formspec())
return true
end
return false
end
local function create_minetest_conf_example()
local result = "# This file contains a list of all available settings and their default value for minetest.conf\n" ..
"\n" ..
"# By default, all the settings are commented and not functional.\n" ..
"# Uncomment settings by removing the preceding #.\n" ..
"\n" ..
"# minetest.conf is read by default from:\n" ..
"# ../minetest.conf\n" ..
"# ../../minetest.conf\n" ..
"# Any other path can be chosen by passing the path as a parameter\n" ..
"# to the program, eg. \"minetest.exe --config ../minetest.conf.example\".\n" ..
"\n" ..
"# Further documentation:\n" ..
"# http://wiki.minetest.net/\n" ..
"\n"
for _, entry in ipairs(settings) do
if entry.type == "category" then
if entry.level == 0 then
result = result .. "#\n# " .. entry.name .. "\n#\n\n"
else
for i = 1, entry.level do
result = result .. "#"
end
result = result .. "# " .. entry.name .. "\n\n"
end
else
if entry.comment_line ~= "" then
for _, comment_line in ipairs(entry.comment:split("\n")) do
result = result .."# " .. comment_line .. "\n"
end
end
result = result .. "# type: " .. entry.type
if entry.min then
result = result .. " min: " .. entry.min
end
if entry.max then
result = result .. " max: " .. entry.max
end
if entry.values then
result = result .. " values: " .. table.concat(entry.values, ", ")
end
result = result .. "\n"
result = result .. "# " .. entry.name .. " = ".. entry.default .. "\n\n"
end
end
return result
end
local function create_translation_file()
local result = "// This file is automatically generated\n" ..
"// It conatins a bunch of fake gettext calls, to tell xgettext about the strings in config files\n" ..
"// To update it, refer to the bottom of builtin/mainmenu/tab_settings.lua\n\n" ..
"fake_function() {\n"
for _, entry in ipairs(settings) do
if entry.type == "category" then
result = result .. "\tgettext(\"" .. entry.name .. "\");\n"
else
if entry.readable_name then
result = result .. "\tgettext(\"" .. entry.readable_name .. "\");\n"
end
if entry.comment ~= "" then
local comment = entry.comment:gsub("\n", "\\n")
result = result .. "\tgettext(\"" .. comment .. "\");\n"
end
end
end
result = result .. "}\n"
return result
end
if false then
local file = io.open("minetest.conf.example", "w")
if file then
file:write(create_minetest_conf_example())
file:close()
end
end
if false then
local file = io.open("src/settings_translation_file.c", "w")
if file then
file:write(create_translation_file())
file:close()
end
end
tab_settings = {
name = "settings",
caption = fgettext("Settings"),
cbf_formspec = create_settings_formspec,
cbf_button_handler = handle_settings_buttons,
}
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