Save hyphenation algorithm as cre document setting

and add hyphenation restore to floating punctuation toggle workaround

frontend/ui/reader/readerhyphenation.lua

@@ -9,6 +9,14 @@ local ReaderHyphenation = InputContainer:new{
 	cur_hyph_idx = nil,
 }
 
+function ReaderHyphenation:_changeSel(k)
+	if self.cur_hyph_idx then
+		self.hyph_table[self.cur_hyph_idx].selected = false
+	end
+	self.hyph_table[k].selected = true
+	self.cur_hyph_idx = k
+end
+
 function ReaderHyphenation:init()
 	self.hyph_table = {}
 	self.hyph_alg = cre.getSelectedHyphDict()
@@ -19,13 +27,11 @@ function ReaderHyphenation:init()
 		table.insert(self.hyph_table, {
 			text = v,
 			callback = function()
-				self.cur_hyph_idx = k
 				self.hyph_alg = v
 				UIManager:show(InfoMessage:new{
 					text = _("Change Hyphenation to ")..v,
 				})
-				self.hyph_table[k].selected = true
-				self.hyph_table[self.cur_hyph_idx].selected = false
+				self:_changeSel(k)
 				cre.setHyphDictionary(v)
 			end
 		})
@@ -33,6 +39,23 @@ function ReaderHyphenation:init()
 	self.ui.menu:registerToMainMenu(self)
 end
 
+function ReaderHyphenation:onReadSettings(config)
+	local hyph_alg = config:readSetting("hyph_alg")
+	if hyph_alg then
+		cre.setHyphDictionary(hyph_alg)
+	end
+	self.hyph_alg = cre.getSelectedHyphDict()
+	for k,v in ipairs(self.hyph_table) do
+		if v.text == self.hyph_alg then
+			self:_changeSel(k)
+		end
+	end
+end
+
+function ReaderHyphenation:onSaveSettings()
+    self.ui.doc_settings:saveSetting("hyph_alg", self.hyph_alg)
+end
+
 function ReaderHyphenation:addToMainMenu(tab_item_table)
 	-- insert table to main reader menu
 	table.insert(tab_item_table.typeset, {

frontend/ui/reader/readertypeset.lua

@@ -121,6 +121,7 @@ function ReaderTypeset:toggleFloatingPunctuation()
 	-- workaround: set again things unset by crengine after changing floating punctuation
 	self.ui.document:setFontFace(self.ui.font.font_face or
 		self.ui.doc_settings:readSetting("font_face"))
+	cre.setHyphDictionary(self.ui.hyphenation.hyph_alg)
 	self:_setPageMargins()
 end
 

frontend/ui/readerui.lua

@@ -228,11 +228,13 @@ function ReaderUI:init()
 			ui = self
 		}
 		table.insert(self, self.font) -- hold reference to font menu
-		table.insert(self, ReaderHyphenation:new{
+		-- hyphenation menu
+		self.hyphenation = ReaderHyphenation:new{
 			dialog = self.dialog,
 			view = self[1],
 			ui = self
-		})
+		}
+		table.insert(self, self.hyphenation) -- hold reference to hyphenation menu
 		-- rolling controller
 		table.insert(self, ReaderRolling:new{
 			dialog = self.dialog,