patch 1937 rebased

gistfile1.txt

From ef38fd14179b4e53a128c36a439a70b5a86d9efe Mon Sep 17 00:00:00 2001
From: Muhammad Rifqi Priyo Susanto <muhammadrifqipriyosusanto@gmail.com>
Date: Thu, 11 Dec 2014 14:27:22 +0700
Subject: [PATCH] Add language setting

---
 builtin/mainmenu/tab_settings.lua | 43 +++++++++++++++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 4 deletions(-)

diff --git a/builtin/mainmenu/tab_settings.lua b/builtin/mainmenu/tab_settings.lua
index f46fd17..3f11649 100644
--- a/builtin/mainmenu/tab_settings.lua
+++ b/builtin/mainmenu/tab_settings.lua
@@ -128,6 +128,32 @@ local function formspec(tabview, name, tabdata)
 		end
 	end
 	
+	local language_string = "en" -- add english first because its default
+	local language_idx = 1
+	local language_count = 1
+	local language_selected = core.setting_get("language") or "en"
+	
+	local locale_path = core.get_builtin_path() .. DIR_DELIM
+		.. ".." .. DIR_DELIM -- go back to 'minetest' folder
+		.. "locale" .. DIR_DELIM -- then enter 'locale' folder
+	
+	local locale_list = core.get_dirlist(locale_path, true)
+	
+	for i=1, #locale_list, 1 do
+		-- check if translation file exists
+		if file_exists(
+			locale_path .. locale_list[i] .. DIR_DELIM
+			.. "LC_MESSAGES"
+			.. DIR_DELIM .. "minetest.mo"
+		) then
+			language_string = language_string .. "," .. locale_list[i]
+			language_count = language_count +1
+			if locale_list[i] == language_selected then
+				language_idx = language_count -- handle english
+			end
+		end
+	end
+	
 	
 	local tab_string =
 		"box[0,0;3.5,4;#999999]" ..
@@ -156,6 +182,11 @@ local function formspec(tabview, name, tabdata)
 				.. dump(core.setting_getbool("bilinear_filter")) .. "]"..
 		"checkbox[4,1.5;cb_trilinear;".. fgettext("Tri-Linear Filtering") .. ";"
 				.. dump(core.setting_getbool("trilinear_filter")) .. "]"..
+		"label[4.5,2.5;" .. fgettext("Language") .. "]" ..
+		"dropdown[6,2.4;1.5;dd_language;"
+			.. language_string .. ";" .. language_idx .. "]" ..
+		"tooltip[dd_language;" ..
+			fgettext("Restart minetest for language change to take effect") .. "]" ..
 		"box[7.75,0;4,4;#999999]" ..
 		"checkbox[8,0;cb_shaders;".. fgettext("Shaders") .. ";"
 				.. dump(core.setting_getbool("enable_shaders")) .. "]"
@@ -177,15 +208,15 @@ local function formspec(tabview, name, tabdata)
 
 	if PLATFORM == "Android" then
 		tab_string = tab_string ..
-		"box[4.25,2.75;3.25,2.15;#999999]" ..
-		"checkbox[4.5,2.75;cb_touchscreen_target;".. fgettext("Touch free target") .. ";"
+		"box[4.25,3.25;3.25,2.15;#999999]" ..
+		"checkbox[4.5,3.2;cb_touchscreen_target;".. fgettext("Touch free target") .. ";"
 				.. dump(core.setting_getbool("touchtarget")) .. "]"
 	end
 
 	if core.setting_get("touchscreen_threshold") ~= nil then
 		tab_string = tab_string ..
-				"label[4.5,3.5;" .. fgettext("Touchthreshold (px)") .. "]" ..
-				"dropdown[4.5,4;3;dd_touchthreshold;0,10,20,30,40,50;" ..
+				"label[4.5,3.95;" .. fgettext("Touchthreshold (px)") .. "]" ..
+				"dropdown[4.5,4.45;3;dd_touchthreshold;0,10,20,30,40,50;" ..
 				((tonumber(core.setting_get("touchscreen_threshold"))/10)+1) .. "]"
 	end
 
@@ -316,6 +347,10 @@ local function handle_settings_buttons(this, fields, tabname, tabdata)
 		core.setting_set("touchscreen_threshold",fields["dd_touchthreshold"])
 		ddhandled = true
 	end
+	if fields["dd_language"] then
+		core.setting_set("language",fields["dd_language"])
+		ddhandled = true
+	end
 	if fields["dd_video_driver"] then
 		local video_driver = string.gsub(fields["dd_video_driver"], " ", "")
 		core.setting_set("video_driver",string.lower(video_driver))
-- 
1.9.3