adapt visibility dialog to new style

Also button image locations are slightly adapted

locale/mtimer.de.tr

@@ -18,9 +18,12 @@ Custom Timer=Individueller Timer
 Visibility=Sichtbarkeit
 mTimer Configuration=mTimer-Konfiguration
 
-# Settings
+# Visibility
-Invisible=Unsichtbar
+Make invisible=Verbergen
-Visible=Sichtbar
+Make visible=Anzeigen
+The timer is currently @1.=Der Timer ist aktuell @1.
+visible=sichtbar
+invisible=verborgen
 
 # Information & Warnings
 30 minutes @= 0.5, 60 minutes @= 1=30 Minuten @= 0.5, 60 Minuten @= 1

system/formspecs/formspec_creation.lua

@@ -25,12 +25,17 @@ local esc = minetest.formspec_escape
 
 
 mtimer.dialog.set_visibility = function (player_name)
+    local player = minetest.get_player_by_name(player_name)
+    local visible = player:get_meta():get_string(m.meta.visible.key)
+    local timer_status = visible == 'true' and S('visible') or S('invisible')
+
     mtimer.show_formspec('mtimer:set_visibility', {
         title = S('Visibility'),
         show_to = player_name,
         formspec = {
-            'button[0,0;3,0.5;visible;'..S('Visible')..']',
+             mtimer.get_icon_button('set_visible', { width = 4, label = S('Make visible') }),
-            'button[3.25,0;3,0.5;invisible;'..S('Invisible')..']'
+             mtimer.get_icon_button('set_invisible', { width = 4, label = S('Make invisible'), container = { left = 4.25 } }),
+             'label[0,1.25;'..S('The timer is currently @1.', timer_status)..']'
         }
     })
 end

system/on_receive_fields.lua

@@ -36,9 +36,10 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
     -- Set timer visibility
     if formname == 'mtimer:set_visibility' then
         local attr = m.meta.visible
-        if fields.visible then meta:set_string(attr.key, 'true') end
+        if fields.set_visible then meta:set_string(attr.key, 'true') end
-        if fields.invisible then meta:set_string(attr.key, 'false') end
+        if fields.set_invisible then meta:set_string(attr.key, 'false') end
         if fields.default then meta:set_string(attr.key, attr.default) end
+        if not fields.quit then d.set_visibility(name) end
     end