global clipboard plus directory sizes in Files

sys/extensions/clipboard.lua

@@ -0,0 +1,33 @@
+_G.clipboard = { internal, data }
+
+function clipboard.getData()
+  return clipboard.data
+end
+
+function clipboard.setData(data)
+  clipboard.data = data
+  if data then
+    clipboard.useInternal(true)
+  end
+end
+
+function clipboard.getText()
+  if clipboard.data then
+    return Util.tostring(clipboard.data)
+  end
+end
+
+function clipboard.isInternal()
+  return clipboard.internal
+end
+
+function clipboard.useInternal(mode)
+  if mode ~= clipboard.mode then
+    clipboard.internal = mode
+    os.queueEvent('clipboard_mode', mode)
+  end
+end
+
+multishell.addHotkey(20, function()
+  clipboard.useInternal(not clipboard.isInternal())
+end)