add button to hide/show craftguide, the text search field prevents closing inventory if you do not click outside the field before

mods/unified_inventory/callbacks.lua

@@ -56,6 +56,16 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		return
 	end
 
+	if fields.hidebutton then --MFF crabman(29/11/2015) hide guide, textfield bug
+		if not unified_inventory.hidden_guide[player_name] then
+			unified_inventory.hidden_guide[player_name] = true
+		else
+			unified_inventory.hidden_guide[player_name] = false
+		end
+		unified_inventory.set_inventory_formspec(player, unified_inventory.current_page[player_name])
+		return
+	end
+
 	-- always take new search text, even if not searching on it yet
 	if fields.searchbox
 	and fields.searchbox ~= unified_inventory.current_searchbox[player_name] then

mods/unified_inventory/init.lua

@@ -22,6 +22,7 @@ unified_inventory = {
 	filtered_items_list = {},
 	pages = {},
 	buttons = {},
+	hidden_guide = {}, --MFF crabman(29/11/2015) hide guide, textfield bug
 
 	-- Homepos stuff
 	home_pos = {},

mods/unified_inventory/internal.lua

@@ -134,6 +134,16 @@ function unified_inventory.get_formspec(player, page)
 		return table.concat(formspec, "")
 	end
 
+	if not unified_inventory.hidden_guide[player_name] then --MFF crabman(29/11/2015) hide guide, textfield bug
+		formspec[n] = "image_button[13.2,0.1;.8,.8;ui_on_icon.png;hidebutton;]"
+				.. "tooltip[hidebutton;" ..S("Hide guide") .. "]"
+		n = n+1
+	else
+		formspec[n] = "image_button[13.2,0.1;.8,.8;ui_off_icon.png;hidebutton;]"
+				.. "tooltip[hidebutton;" ..S("Show guide") .. "]"
+		return table.concat(formspec, "")
+	end
+
 	-- Controls to flip items pages
 	local start_x = 9.2