messagebox (not working yet)

data/modules/messagebox/messagebox.lua

@@ -0,0 +1,12 @@
+function messageBox(title, text)
+    local messageBoxWindow = loadUI("modules/messagebox/messagebox.yml")
+    local messageBoxLabel = messageBoxWindow:getChildByID("messageBoxLabel")
+    local messageBoxOkButton = messageBoxWindow:getChildByID("messageBoxOkButton")
+    local uiRoot = messageBoxWindow:getParent()
+    uiRoot:lock(messageBox)
+    messageBoxWindow:setTitle(text)
+    messageBoxLabel:setText(text)
+    messageBoxWindow:setSize(messageBoxLabel:getSize() + Size{20, 20})
+    messageBox:setOnDestroy(function() uiRoot:unlock() end)
+    messageBoxOkButton:setOnClick(function() messageBoxWindow:destroy() end)
+end

data/modules/messagebox/messagebox.yml

@@ -0,0 +1,18 @@
+window#messageBoxWindow:
+  size: [236, 78]
+  anchors.horizontalCenter: parent.horizontalCenter
+  anchors.verticalCenter: parent.verticalCenter
+
+  
+  label#messageBoxLabel:
+    anchors.horizontalCenter: parent.horizontalCenter
+    anchors.top: parent.top
+    margin.top: 27
+
+  button#messageBoxOkButton:
+    text: Ok
+    size: [43, 20]
+    anchors.right: parent.right
+    anchors.bottom: parent.bottom
+    margin.bottom: 10
+    margin.right: 10