9e4cb59327And add symbols for default and fallback to the Hyphenation menu, as it was done recently to the Font menu.
205 lines
9.3 KiB
Lua
205 lines
9.3 KiB
Lua
local Event = require("ui/event")
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local InfoMessage = require("ui/widget/infomessage")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local JSON = require("json")
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local MultiConfirmBox = require("ui/widget/multiconfirmbox")
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local UIManager = require("ui/uimanager")
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local util = require("util")
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local _ = require("gettext")
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local T = require("ffi/util").template
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local ReaderHyphenation = InputContainer:new{
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hyph_menu_title = _("Hyphenation"),
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hyph_table = nil,
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}
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function ReaderHyphenation:init()
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self.lang_table = {}
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self.hyph_table = {}
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self.hyph_algs_settings = {}
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self.hyph_alg = cre.getSelectedHyphDict()
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table.insert(self.hyph_table, {
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text_func = function()
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local limits_text = _("language defaults")
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if G_reader_settings:readSetting("hyph_left_hyphen_min")
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or G_reader_settings:readSetting("hyph_right_hyphen_min") then
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limits_text = T("%1 - %2", G_reader_settings:readSetting("hyph_left_hyphen_min"),
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G_reader_settings:readSetting("hyph_right_hyphen_min"))
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end
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return T(_("Left/right minimal sizes: %1"), limits_text)
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end,
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callback = function()
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local HyphenationLimitsWidget = require("ui/widget/hyphenationlimits")
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local hyph_settings = self.hyph_algs_settings[self.hyph_alg] or {}
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local alg_left_hyphen_min = hyph_settings.left_hyphen_min
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local alg_right_hyphen_min = hyph_settings.right_hyphen_min
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local hyph_limits_widget = HyphenationLimitsWidget:new{
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left_value = G_reader_settings:readSetting("hyph_left_hyphen_min") or alg_left_hyphen_min or 2,
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right_value = G_reader_settings:readSetting("hyph_right_hyphen_min") or alg_right_hyphen_min or 2,
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left_default = alg_left_hyphen_min or 2,
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right_default = alg_right_hyphen_min or 2,
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callback = function(left_hyphen_min, right_hyphen_min)
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G_reader_settings:saveSetting("hyph_left_hyphen_min", left_hyphen_min)
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G_reader_settings:saveSetting("hyph_right_hyphen_min", right_hyphen_min)
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self.ui.document:setHyphLeftHyphenMin(G_reader_settings:readSetting("hyph_left_hyphen_min") or alg_left_hyphen_min)
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self.ui.document:setHyphRightHyphenMin(G_reader_settings:readSetting("hyph_right_hyphen_min") or alg_right_hyphen_min)
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self.ui.toc:onUpdateToc()
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-- signal readerrolling to update pos in new height, and redraw page
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self.ui:handleEvent(Event:new("UpdatePos"))
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end
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}
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UIManager:show(hyph_limits_widget)
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end,
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enabled_func = function()
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return self.hyph_alg ~= "@none"
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end,
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separator = true,
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})
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local lang_data_file = assert(io.open("./data/hyph/languages.json"), "r")
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local ok, lang_data = pcall(JSON.decode, lang_data_file:read("*all"))
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if ok and lang_data then
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for k,v in ipairs(lang_data) do
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self.hyph_algs_settings[v.filename] = v -- just store full table
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table.insert(self.hyph_table, {
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text_func = function()
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local text = v.name
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if v.filename == G_reader_settings:readSetting("hyph_alg_default") then
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text = text .. " ★"
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end
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if v.filename == G_reader_settings:readSetting("hyph_alg_fallback") then
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text = text .. " <20>"
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end
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return text
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end,
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callback = function()
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self.hyph_alg = v.filename
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self.ui.doc_settings:saveSetting("hyph_alg", self.hyph_alg)
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UIManager:show(InfoMessage:new{
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text = T(_("Changed hyphenation to %1."), v.name),
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})
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self.ui.document:setHyphDictionary(v.filename)
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-- Apply hyphenation sides limits
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self.ui.document:setHyphLeftHyphenMin(G_reader_settings:readSetting("hyph_left_hyphen_min") or v.left_hyphen_min)
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self.ui.document:setHyphRightHyphenMin(G_reader_settings:readSetting("hyph_right_hyphen_min") or v.right_hyphen_min)
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self.ui.toc:onUpdateToc()
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-- signal readerrolling to update pos in new height, and redraw page
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self.ui:handleEvent(Event:new("UpdatePos"))
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end,
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hold_may_update_menu = true,
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hold_callback = function(refresh_menu_func)
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UIManager:show(MultiConfirmBox:new{
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-- No real need for a way to remove default one, we can just
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-- toggle between setting a default OR a fallback (if a default
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-- one is set, no fallback will ever be used - if a fallback one
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-- is set, no default is wanted; so when we set one below, we
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-- remove the other).
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text = T( _("Would you like %1 to be used as the default (★) or fallback (<28>) hyphenation language?\n\nDefault will always take precedence while fallback will only be used if the language of the book can't be automatically determined."), v.name),
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choice1_text = _("Default"),
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choice1_callback = function()
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G_reader_settings:saveSetting("hyph_alg_default", v.filename)
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G_reader_settings:delSetting("hyph_alg_fallback")
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if refresh_menu_func then refresh_menu_func() end
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end,
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choice2_text = _("Fallback"),
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choice2_callback = function()
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G_reader_settings:saveSetting("hyph_alg_fallback", v.filename)
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G_reader_settings:delSetting("hyph_alg_default")
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if refresh_menu_func then refresh_menu_func() end
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end,
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})
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end,
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checked_func = function()
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return v.filename == self.hyph_alg
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end
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})
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self.lang_table[v.language] = v.filename
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if v.aliases then
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for i,alias in ipairs(v.aliases) do
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self.lang_table[alias] = v.filename
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end
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end
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end
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end
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self.ui.menu:registerToMainMenu(self)
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end
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function ReaderHyphenation:parseLanguageTag(lang_tag)
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-- Parse an RFC 5646 language tag, like "en-US" or "en".
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-- https://tools.ietf.org/html/rfc5646
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-- We are only interested in the language and region parts.
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local language = nil
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local region = nil
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for part in util.gsplit(lang_tag, "-", false) do
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if not language then
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language = string.lower(part)
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elseif string.len(part) == 2 and not string.match(part, "[^%a]") then
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region = string.upper(part)
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end
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end
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return language, region
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end
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function ReaderHyphenation:getDictForLanguage(lang_tag)
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-- EPUB language is an RFC 5646 language tag.
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-- http://www.idpf.org/epub/301/spec/epub-publications.html#sec-opf-dclanguage
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--
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-- FB2 language is a two-letter language code
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-- (which is also a valid RFC 5646 language tag).
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-- http://fictionbook.org/index.php/%D0%AD%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82_lang (in Russian)
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local language, region = self:parseLanguageTag(lang_tag)
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if not language then
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return
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end
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local dict
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if region then
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dict = self.lang_table[language .. '-' .. region]
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end
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if not dict then
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dict = self.lang_table[language]
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end
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return dict
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end
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function ReaderHyphenation:onPreRenderDocument(config)
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-- This is called after the document has been loaded
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-- so we can use the document language.
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-- Use the one manually set for this document
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local hyph_alg = config:readSetting("hyph_alg")
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if not hyph_alg then -- If none, use the one manually set as default (with Hold)
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hyph_alg = G_reader_settings:readSetting("hyph_alg_default")
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end
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if not hyph_alg then -- If none, use the one associated with document's language
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hyph_alg = self:getDictForLanguage(self.ui.document:getProps().language)
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end
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if not hyph_alg then -- If none, use the one manually set as fallback (with Hold)
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hyph_alg = G_reader_settings:readSetting("hyph_alg_fallback")
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end
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if hyph_alg then
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self.ui.document:setHyphDictionary(hyph_alg)
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end
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-- If we haven't set any, hardcoded English_US_hyphen_(Alan).pdb (in cre.cpp) will be used
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self.hyph_alg = cre.getSelectedHyphDict()
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-- Apply hyphenation sides limits
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local hyph_settings = self.hyph_algs_settings[self.hyph_alg] or {}
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self.ui.document:setHyphLeftHyphenMin(G_reader_settings:readSetting("hyph_left_hyphen_min") or hyph_settings.left_hyphen_min)
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self.ui.document:setHyphRightHyphenMin(G_reader_settings:readSetting("hyph_right_hyphen_min") or hyph_settings.right_hyphen_min)
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end
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function ReaderHyphenation:addToMainMenu(menu_items)
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-- insert table to main reader menu
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menu_items.hyphenation = {
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text = self.hyph_menu_title,
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sub_item_table = self.hyph_table,
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}
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end
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return ReaderHyphenation
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