minetest/builtin/mainmenu/settings/dlg_settings.lua

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--Minetest
--Copyright (C) 2022 rubenwardy
--
--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 component_funcs = dofile(core.get_mainmenu_path() .. DIR_DELIM ..
"settings" .. DIR_DELIM .. "components.lua")
local quick_shader_component = dofile(core.get_mainmenu_path() .. DIR_DELIM ..
"settings" .. DIR_DELIM .. "shader_component.lua")
local full_settings = settingtypes.parse_config_file(false, true)
local info_icon_path = core.formspec_escape(defaulttexturedir .. "settings_info.png")
local reset_icon_path = core.formspec_escape(defaulttexturedir .. "settings_reset.png")
local gettext = fgettext_ne
local all_pages = {}
local page_by_id = {}
local filtered_pages = all_pages
local filtered_page_by_id = page_by_id
local function add_page(page)
assert(type(page.id) == "string")
assert(type(page.title) == "string")
assert(page.section == nil or type(page.section) == "string")
assert(type(page.content) == "table")
assert(not page_by_id[page.id], "Page " .. page.id .. " already registered")
all_pages[#all_pages + 1] = page
page_by_id[page.id] = page
return page
end
local change_keys = {
query_text = "Change keys",
get_formspec = function(self, avail_w)
local btn_w = math.min(avail_w, 3)
return ("button[0,0;%f,0.8;btn_change_keys;%s]"):format(btn_w, fgettext("Change keys")), 0.8
end,
on_submit = function(self, fields)
if fields.btn_change_keys then
core.show_keys_menu()
end
end,
}
add_page({
id = "most_used",
title = gettext("Most Used"),
content = {
change_keys,
"language",
"fullscreen",
PLATFORM ~= "Android" and "autosave_screensize" or false,
"touchscreen_threshold",
{ heading = gettext("Scaling") },
"gui_scaling",
"hud_scaling",
{ heading = gettext("Graphics / Performance") },
"smooth_lighting",
"enable_particles",
"enable_3d_clouds",
"opaque_water",
"connected_glass",
"node_highlighting",
"leaves_style",
{ heading = gettext("Shaders") },
quick_shader_component,
},
})
add_page({
id = "accessibility",
title = gettext("Accessibility"),
content = {
"font_size",
"chat_font_size",
"gui_scaling",
"hud_scaling",
"show_nametag_backgrounds",
{ heading = gettext("Chat") },
"console_height",
"console_alpha",
"console_color",
{ heading = gettext("Controls") },
"autojump",
"safe_dig_and_place",
{ heading = gettext("Movement") },
"arm_inertia",
"view_bobbing_amount",
"fall_bobbing_amount",
},
})
local tabsize = {
width = 15.5,
height= 12,
}
local function load_settingtypes()
local page = nil
local section = nil
local function ensure_page_started()
if not page then
page = add_page({
id = (section or "general"):lower():gsub(" ", "_"),
title = section or gettext("General"),
section = section,
content = {},
})
end
end
for _, entry in ipairs(full_settings) do
if entry.type == "category" then
if entry.level == 0 then
section = entry.name
page = nil
elseif entry.level == 1 then
page = {
id = ((section and section .. "_" or "") .. entry.name):lower():gsub(" ", "_"),
title = entry.readable_name or entry.name,
section = section,
content = {},
}
if page.title:sub(1, 5) ~= "Hide:" then
page = add_page(page)
end
elseif entry.level == 2 then
ensure_page_started()
page.content[#page.content + 1] = {
heading = gettext(entry.readable_name or entry.name),
}
end
else
ensure_page_started()
page.content[#page.content + 1] = entry.name
end
end
end
load_settingtypes()
table.insert(page_by_id.controls_keyboard_and_mouse.content, 1, change_keys)
local function get_setting_info(name)
for _, entry in ipairs(full_settings) do
if entry.type ~= "category" and entry.name == name then
return entry
end
end
return nil
end
-- See if setting matches keywords
local function get_setting_match_weight(entry, query_keywords)
local setting_score = 0
for _, keyword in ipairs(query_keywords) do
if string.find(entry.name:lower(), keyword, 1, true) then
setting_score = setting_score + 1
end
if entry.readable_name and
string.find(fgettext(entry.readable_name):lower(), keyword, 1, true) then
setting_score = setting_score + 1
end
if entry.comment and
string.find(fgettext_ne(entry.comment):lower(), keyword, 1, true) then
setting_score = setting_score + 1
end
end
return setting_score
end
local function filter_page_content(page, query_keywords)
if #query_keywords == 0 then
return page.content
end
local retval = {}
local i = 1
local max_weight = 0
for _, content in ipairs(page.content) do
if type(content) == "string" then
local setting = get_setting_info(content)
assert(setting, "Unknown setting: " .. content)
local weight = get_setting_match_weight(setting, query_keywords)
if weight > 0 then
max_weight = math.max(max_weight, weight)
retval[i] = content
i = i + 1
end
elseif type(content) == "table" and content.query_text then
for _, keyword in ipairs(query_keywords) do
if string.find(fgettext(content.query_text), keyword, 1, true) then
max_weight = math.max(max_weight, 1)
retval[i] = content
i = i + 1
break
end
end
end
end
return retval, max_weight
end
local function update_filtered_pages(query)
filtered_pages = {}
filtered_page_by_id = {}
if query == "" or query == nil then
filtered_pages = all_pages
filtered_page_by_id = page_by_id
return filtered_pages[1].id
end
local query_keywords = {}
for word in query:lower():gmatch("%S+") do
table.insert(query_keywords, word)
end
local best_page = nil
local best_page_weight = -1
for _, page in ipairs(all_pages) do
local content, page_weight = filter_page_content(page, query_keywords)
if #content > 0 then
local new_page = table.copy(page)
new_page.content = content
filtered_pages[#filtered_pages + 1] = new_page
filtered_page_by_id[new_page.id] = new_page
if page_weight > best_page_weight then
best_page = new_page
best_page_weight = page_weight
end
end
end
return best_page and best_page.id or nil
end
local function build_page_components(page)
local retval = {}
local j = 1
for i, content in ipairs(page.content) do
if content == false then
-- false is used to disable components conditionally (ie: Android specific)
j = j - 1
elseif type(content) == "string" then
local setting = get_setting_info(content)
assert(setting, "Unknown setting: " .. content)
local component_func = component_funcs[setting.type]
assert(component_func, "Unknown setting type: " .. setting.type)
retval[j] = component_func(setting)
elseif content.get_formspec then
retval[j] = content
elseif content.heading then
retval[j] = component_funcs.heading(content.heading)
else
error("Unknown content in page: " .. dump(content))
end
j = j + 1
end
return retval
end
--- Creates a scrollbaroptions for a scroll_container
--
-- @param visible_l the length of the scroll_container and scrollbar
-- @param total_l length of the scrollable area
-- @param scroll_factor as passed to scroll_container
local function make_scrollbaroptions_for_scroll_container(visible_l, total_l, scroll_factor)
assert(total_l >= visible_l)
local max = total_l - visible_l
local thumb_size = (visible_l / total_l) * max
return ("scrollbaroptions[min=0;max=%f;thumbsize=%f]"):format(max / scroll_factor, thumb_size / scroll_factor)
end
local formspec_show_hack = false
local function get_formspec(dialogdata)
local page_id = dialogdata.page_id or "most_used"
local page = filtered_page_by_id[page_id]
local scrollbar_w = 0.4
if PLATFORM == "Android" then
scrollbar_w = 0.6
end
local left_pane_width = 4.25
local search_width = left_pane_width + scrollbar_w - (0.75 * 2)
local show_technical_names = core.settings:get_bool("show_technical_names")
formspec_show_hack = not formspec_show_hack
local fs = {
"formspec_version[6]",
"size[", tostring(tabsize.width), ",", tostring(tabsize.height + 1), "]",
"bgcolor[#0000]",
-- HACK: this is needed to allow resubmitting the same formspec
formspec_show_hack and " " or "",
"box[0,0;", tostring(tabsize.width), ",", tostring(tabsize.height), ";#0000008C]",
"button[0,", tostring(tabsize.height + 0.2), ";3,0.8;back;", fgettext("Back"), "]",
("box[%f,%f;5,0.8;#0000008C]"):format(tabsize.width - 5, tabsize.height + 0.2),
"checkbox[", tostring(tabsize.width - 4.75), ",", tostring(tabsize.height + 0.6), ";show_technical_names;",
fgettext("Show technical names"), ";", tostring(show_technical_names), "]",
"field[0.25,0.25;", tostring(search_width), ",0.75;search_query;;",
core.formspec_escape(dialogdata.query or ""), "]",
"container[", tostring(search_width + 0.25), ", 0.25]",
"image_button[0,0;0.75,0.75;", core.formspec_escape(defaulttexturedir .. "search.png"), ";search;]",
"image_button[0.75,0;0.75,0.75;", core.formspec_escape(defaulttexturedir .. "clear.png"), ";search_clear;]",
"tooltip[search;", fgettext("Search"), "]",
"tooltip[search_clear;", fgettext("Clear"), "]",
"container_end[]",
"scroll_container[0.25,1.25;", tostring(left_pane_width), ",",
tostring(tabsize.height - 1.5), ";leftscroll;vertical;0.1]",
"style_type[button;border=false;bgcolor=#3333]",
"style_type[button:hover;border=false;bgcolor=#6663]",
}
local y = 0
local last_section = nil
for _, other_page in ipairs(filtered_pages) do
if other_page.section ~= last_section then
fs[#fs + 1] = ("label[0.1,%f;%s]"):format(y + 0.41, core.colorize("#ff0", fgettext(other_page.section)))
last_section = other_page.section
y = y + 0.82
end
fs[#fs + 1] = ("box[0,%f;%f,0.8;%s]"):format(
y, left_pane_width, other_page.id == page_id and "#467832FF" or "#3339")
fs[#fs + 1] = ("button[0,%f;%f,0.8;page_%s;%s]")
:format(y, left_pane_width, other_page.id, fgettext(other_page.title))
y = y + 0.82
end
if #filtered_pages == 0 then
fs[#fs + 1] = "label[0.1,0.41;"
fs[#fs + 1] = fgettext("No results")
fs[#fs + 1] = "]"
end
fs[#fs + 1] = "scroll_container_end[]"
if y >= tabsize.height - 1.25 then
fs[#fs + 1] = make_scrollbaroptions_for_scroll_container(tabsize.height - 1.5, y, 0.1)
fs[#fs + 1] = ("scrollbar[%f,1.25;%f,%f;vertical;leftscroll;%f]"):format(
left_pane_width + 0.25, scrollbar_w, tabsize.height - 1.5, dialogdata.leftscroll or 0)
end
fs[#fs + 1] = "style_type[button;border=;bgcolor=]"
if not dialogdata.components then
dialogdata.components = page and build_page_components(page) or {}
end
local right_pane_width = tabsize.width - left_pane_width - 0.375 - 2*scrollbar_w - 0.25
fs[#fs + 1] = ("scroll_container[%f,0;%f,%f;rightscroll;vertical;0.1]"):format(
tabsize.width - right_pane_width - scrollbar_w, right_pane_width, tabsize.height)
y = 0.25
for i, comp in ipairs(dialogdata.components) do
fs[#fs + 1] = ("container[0,%f]"):format(y)
local avail_w = right_pane_width - 0.25
if not comp.full_width then
avail_w = avail_w - 1.4
end
if comp.max_w then
avail_w = math.min(avail_w, comp.max_w)
end
local comp_fs, used_h = comp:get_formspec(avail_w)
fs[#fs + 1] = comp_fs
fs[#fs + 1] = "style_type[image_button;border=false;padding=]"
local show_reset = comp.resettable and comp.setting
local show_info = comp.info_text and comp.info_text ~= ""
if show_reset or show_info then
-- ensure there's enough space for reset/info
used_h = math.max(used_h, 0.5)
end
local info_reset_y = used_h / 2 - 0.25
if show_reset then
local default = comp.setting.default
local reset_tooltip = default and
fgettext("Reset setting to default ($1)", tostring(default)) or
fgettext("Reset setting to default")
fs[#fs + 1] = ("image_button[%f,%f;0.5,0.5;%s;%s;]"):format(
right_pane_width - 1.4, info_reset_y, reset_icon_path, "reset_" .. i)
fs[#fs + 1] = ("tooltip[%s;%s]"):format("reset_" .. i, reset_tooltip)
end
if show_info then
local info_x = right_pane_width - 0.75
fs[#fs + 1] = ("image[%f,%f;0.5,0.5;%s]"):format(info_x, info_reset_y, info_icon_path)
fs[#fs + 1] = ("tooltip[%f,%f;0.5,0.5;%s]"):format(info_x, info_reset_y, fgettext(comp.info_text))
end
fs[#fs + 1] = "style_type[image_button;border=;padding=]"
fs[#fs + 1] = "container_end[]"
if used_h > 0 then
y = y + used_h + 0.25
end
end
fs[#fs + 1] = "scroll_container_end[]"
if y >= tabsize.height then
fs[#fs + 1] = make_scrollbaroptions_for_scroll_container(tabsize.height, y + 0.375, 0.1)
fs[#fs + 1] = ("scrollbar[%f,0;%f,%f;vertical;rightscroll;%f]"):format(
tabsize.width - scrollbar_w, scrollbar_w, tabsize.height, dialogdata.rightscroll or 0)
end
return table.concat(fs, "")
end
local function buttonhandler(this, fields)
local dialogdata = this.data
dialogdata.leftscroll = core.explode_scrollbar_event(fields.leftscroll).value or dialogdata.leftscroll
dialogdata.rightscroll = core.explode_scrollbar_event(fields.rightscroll).value or dialogdata.rightscroll
dialogdata.query = fields.search_query
if fields.back then
this:delete()
return true
end
if fields.show_technical_names ~= nil then
local value = core.is_yes(fields.show_technical_names)
core.settings:set_bool("show_technical_names", value)
return true
end
if fields.search or fields.key_enter_field == "search_query" then
dialogdata.components = nil
dialogdata.leftscroll = 0
dialogdata.rightscroll = 0
dialogdata.page_id = update_filtered_pages(dialogdata.query)
return true
end
if fields.search_clear then
dialogdata.query = ""
dialogdata.components = nil
dialogdata.leftscroll = 0
dialogdata.rightscroll = 0
dialogdata.page_id = update_filtered_pages("")
return true
end
for _, page in ipairs(all_pages) do
if fields["page_" .. page.id] then
dialogdata.page_id = page.id
dialogdata.components = nil
dialogdata.rightscroll = 0
return true
end
end
for i, comp in ipairs(dialogdata.components) do
if comp.on_submit and comp:on_submit(fields, this) then
return true
end
if comp.setting and fields["reset_" .. i] then
core.settings:remove(comp.setting.name)
return true
end
end
return false
end
function create_settings_dlg()
return dialog_create("dlg_settings", get_formspec, buttonhandler, nil)
end