add color configuration

init.lua

@@ -8,6 +8,7 @@ mtimer = {
     meta = {
         visible = { key = 'mtimer:visible', default = 'true' },
         position = { key = 'mtimer:position', default = 'bl' },
+        color = { key = 'mtimer:color', default = '#ffffffFF' },
     }
 }
 

locale/mtimer.de.tr

@@ -20,6 +20,10 @@ Invisible=Unsichtbar
 mTimer Position=mTimer-Position
 Click the position you want to place the timer at.=Auf die Stelle klicken, an der der Timer angezeigt werden soll.
 
+# Set Color
+mTimer Color=mTimer-Farbe
+Use `@1` format only!=Ausschließlich `@1`-Format benutzen!
+
 # Generic Formspec Strings
 Default=Standard
 Exit=Verlassen

system/formspec_creation.lua

@@ -27,6 +27,7 @@ mtimer.show_formspec.set_visibility = function (player_name)
     button[0,0.5;2,1;visible;]]..S('Visible')..[[]
     button[2,0.5;2,1;invisible;]]..S('Invisible')..[[]
     button[4,0.5;2,1;default;]]..S('Default')..[[]
+
     button_exit[0,1.5;3,1;exit;]]..S('Exit')..[[]
     button[3,1.5;3,1;back;]]..S('Main Menu')..[[]
     ]])
@@ -57,9 +58,34 @@ mtimer.show_formspec.set_position = function (player_name)
     button_exit[0,5.5;2,1;exit;]]..S('Exit')..[[]
     button[2,5.5;2,1;back;]]..S('Main Menu')..[[]
     button[4,5.5;2,1;default;]]..S('Default')..[[]
-
     ]])
 end
 
 
+mtimer.show_formspec.set_color = function (player_name)
+    local player = minetest.get_player_by_name(player_name)
+    local color = player:get_meta():get_string(m.meta.color.key)
 
+    local hexcolor = table.concat({
+        '#',
+        minetest.colorize('#ce5c00', 'rr'),
+        minetest.colorize('#4e9a06', 'gg'),
+        minetest.colorize('#729fcf', 'bb'),
+        'AA'
+    })
+
+    minetest.show_formspec(player_name, 'mtimer:set_color', [[
+    size[6.85,2.7]
+    label[0,-0.125;]]..S('mTimer Color')..[[]
+    field_close_on_enter[color;false]
+
+    field[0.25,0.75;3,1;color;;]]..color..[[]
+    box[3,0.55;0.65,0.65;]]..color..[[]
+    button[3.85,0.45;3,1;default;]]..S('Default')..[[]
+
+    label[-0.05,1.45;]]..S('Use `@1` format only!', hexcolor)..[[]
+
+    button_exit[-0.05,2;3.45,1;exit;]]..S('Exit')..[[]
+    button[3.44,2;3.4,1;back;]]..S('Main Menu')..[[]
+    ]])
+end

system/on_receive_fields.lua

@@ -10,6 +10,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
     if formname == 'mtimer:main_menu' then
         if fields.set_visibility then f.set_visibility(name) end
         if fields.set_position then f.set_position(name) end
+        if fields.set_color then f.set_color(name) end
     end
 
 
@@ -36,6 +37,22 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
     end
 
 
+    -- Set timer text color
+    if formname == 'mtimer:set_color' then
+        local attr = m.meta.color
+        local color = ''
+
+        if fields.color then
+            local valid = fields.color:match('^#'..('[0-9a-fA-F]'):rep(8)..'$')
+            local color = valid and fields.color or attr.default
+            meta:set_string(attr.key, color)
+        end
+
+        if fields.default then meta:set_string(attr.key, attr.default) end
+        if not fields.quit then mtimer.show_formspec.set_color(name) end
+    end
+
+
     -- Back to menu from all formspecs
     if fields.back then f.main_menu(name) end