From 773b2d8e1685bedad6751d7cc246f60b34408116 Mon Sep 17 00:00:00 2001
From: hallgren <hallgren@chalmers.se>
Date: Sun, 5 Jun 2016 12:21:56 +0000
Subject: [PATCH] Minibar: detect the language for show speech synthesis
 buttons in more cases

This was done to obtain speech synthesis for more languages in the Numerals
grammar, which uses neither language flags nor the standard naming for
concrete syntax.
---
 src/www/js/langcode.js             |  2 ++
 src/www/minibar/minibar_support.js | 13 +++++++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/www/js/langcode.js b/src/www/js/langcode.js
index eaec25f73..ac48cd740 100644
--- a/src/www/js/langcode.js
+++ b/src/www/js/langcode.js
@@ -29,10 +29,12 @@ var languages =
     }()
 
 var langname={}
+var langcode={}
 var langcode2={}
 var langcode3={}
 for(var i in languages) {
     langname[languages[i].code]=languages[i].name
+    langcode[languages[i].name]=languages[i]
     langcode2[languages[i].code]=languages[i].code2
     langcode3[languages[i].code2]=languages[i].code
 }
diff --git a/src/www/minibar/minibar_support.js b/src/www/minibar/minibar_support.js
index 1448df8a2..46da3d846 100644
--- a/src/www/minibar/minibar_support.js
+++ b/src/www/minibar/minibar_support.js
@@ -69,11 +69,20 @@ function supportsSVG() {
 function speech_buttons(to3,to2,txt) {
     var voices = window.speechSynthesis && window.speechSynthesis.getVoices() || []
     var dvs = voices.filter(function(v){return v.default})
+    function pick2dash(v) { return hasPrefix(v.lang,to2dash) }
     if(to2)
 	var pick=function (v) { return v.lang==to2 }
-    else {
+    else if(to3.length==3) {
 	var to2dash=alangcode(to3)+"-"
-	var pick=function(v) { return hasPrefix(v.lang,to2dash) }
+	var pick=pick2dash
+    }
+    else {
+	// Maybe the name of the concrete syntax is the name of the language
+	// like in Numerals.pgf
+	var lang=to3.substr(0,1).toUpperCase()+to3.substr(1).toLowerCase()
+	var codes=langcode[lang]
+	var to2dash=(codes ? codes.code2 : to3)+"-"
+	var pick=pick2dash
     }
     function btn(v) {
 	var u=new SpeechSynthesisUtterance(txt)