Function EditorPlugin.addControlToBottomPanel

Adds a control to the bottom panel (together with Output, Debug, Animation, etc). Returns a reference to the button added. It's up to you to hide/show the button when needed. When your plugin is deactivated, make sure to remove your custom control with removeControlFromBottomPanel and free it with Node.queueFree.

ToolButton addControlToBottomPanel (
  Control control,
  const(String) title
) nothrow @nogc;