Convert player list, data, module, and vlayer

exp_gui/module/core_elements.lua

@@ -38,6 +38,13 @@ function ExpGui.set_toolbar_button_style(element, state)
     return state
 end
 
+--- Get the state of a toolbar button
+--- @param element LuaGuiElement
+--- @return boolean
+function ExpGui.get_toolbar_button_state(element)
+    return element.style.name == toolbar_button_active_style
+end
+
 --- Set the visible state of the top flow for a player
 --- @param player LuaPlayer
 --- @param state boolean?

exp_gui/module/elements.lua

@@ -168,7 +168,7 @@ elements.header = ExpGui.element("container_header")
             }
         end
 
-        return elements.aligned_flow(subframe, { name = "flow" })
+        return opts.no_flow and subframe or elements.aligned_flow(subframe, { name = "flow" })
     end)
 
 --- A footer frame within a container
@@ -187,7 +187,7 @@ elements.footer = ExpGui.element("container_footer")
             }
         end
 
-        return elements.aligned_flow(subframe, { name = "flow" })
+        return opts.no_flow and subframe or elements.aligned_flow(subframe, { name = "flow" })
     end)
 
 return elements

exp_gui/module/prototype.lua

@@ -6,7 +6,7 @@ local GuiIter = require("modules/exp_gui/iter")
 
 --- @class ExpGui_ExpElement
 local ExpElement = {
-    _elements = {}, --- @type table<string, LuaGuiElement>
+    _elements = {}, --- @type table<string, ExpElement>
 }
 
 ExpElement.events = {}