Sourcetype payload = | State of int * [ `Fast | `Normal ]| Ready| Open_speaker_notes| Close_speaker_notes| Open_recording_panel| Close_recording_panel| Speaker_notes of string| Drawing of string| Send_all_drawing| Receive_all_drawing of string list| Save_drawing of string * string| Next| Previous| Can_save| Can_gui| ActivateGUI of Common_types.gui_id| DeActivateGUI| SaveCoordinates of {id : Common_types.gui_id;x : int option;y : int option;w : int option;h : int option;scale : float option;
}| GotoLoc of Common_types.gui_id
Sourceval of_string : string -> t option