From 12fc39b3d0f2e5961812a5ac20a197f2e284fbbd Mon Sep 17 00:00:00 2001
From: Sokomine <wegwerf@anarres.dyndns.org>
Date: Fri, 9 Feb 2024 19:25:59 +0100
Subject: [PATCH] prepared show_fs.lua for beeing more universal by adding
 register_fs function

---
 show_fs.lua | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/show_fs.lua b/show_fs.lua
index 5221581..a96b502 100644
--- a/show_fs.lua
+++ b/show_fs.lua
@@ -1,8 +1,33 @@
 
+-- allow show_fs to be extended more easily;
+--   key: formname without yl_speak_up: prefix
+yl_speak_up.registered_forms_get_fs = {}
+yl_speak_up.registered_forms_input_handler = {}
+
+yl_speak_up.register_fs = function(formname, fun_input_handler, fun_get_fs)
+	yl_speak_up.registered_forms_input_handler[formname] = fun_input_handler
+	yl_speak_up.registered_forms_get_fs[formname] = fun_get_fs
+end
+
+
 -- route player input to the right functions;
 -- return true when the right function has been found
 -- called in minetest.register_on_player_receive_fields
 yl_speak_up.input_handler = function(player, formname, fields)
+	if(not(formname)) then
+		return false
+	end
+	-- cut off the leading "yl_speak_up:" prefix
+	local fs_name = string.sub(formname, 13)
+	if(fs_name and fs_name ~= "") then
+		local fun = yl_speak_up.registered_forms_input_handler[fs_name]
+		if(fun) then
+			fun(player, formname, fields)
+			return true
+		end
+	end
+
+
 	if     formname == "yl_speak_up:optiondialog" then
 		yl_speak_up.input_optiondialog(player, formname, fields)
 		return true
@@ -248,6 +273,12 @@ yl_speak_up.show_fs = function(player, fs_name, param)
 		yl_speak_up.speak_to[pname].last_fs_param = param
 	end
 
+	local fun = yl_speak_up.registered_forms_get_fs[formname]
+	if(fun) then
+		yl_speak_up.show_fs_ver(pname, "yl_speak_up:"..formname, fun(player, param))
+		return true
+	end
+
 	-- this is here mostly to fascilitate debugging - so that really all calls to
 	-- minetest.show_formspec are routed through here
 	if(fs_name == "msg") then