.. developer_guide pprzapplication PprzApplication =============== ``PprzApplication`` subclass ``QApplication`` to add two attributes: the toolbox and the main window. There should be only one instance of ``PprzApplication``. Get the PprzApplication instance from anywhere with the ``pprzApp()`` function. Toolbox ------- The toolbox holds these tools: + **AircraftManager**: manage the list of aircrafts + **SRTMManager**: holds STRM data (ground elevation data) + **PprzDispatcher**: Handle Ivy communication + **CoordinatesTransform**: Use PROJ to convert coordinates across different coordinates reference systems + **Units**: Manage units conversions + **DispatcherUi**: propagate specific events across all the application + **Speaker**: Handles text to speech. Get the tools from the toolbox getters, e.g. : ``pprzApp()->toolbox()->aircraftManager()`` PprzMain -------- PprzMain is the main window of the application.