Signals interactions

Different signals description used to communicate within the app.

The Class in which the signal is defined is also the handler of the signal.

Signal	Role	Slots	Emitter Class	Triggered Method
Controller . sig_add_tile	Creates a desk at a random (free) position	None	view_mainframe.CentralWidget	create_desk()
Controller . sig_quit	Saves the DataBase before quitting the app	None	view_mainframe.ViewMainFrame	do_quit()
Controller . sig_canvas_click	Performs a desk creation on the click position	tuple	view_canvas.ViewCanvas	add_desk()
ViewCanvas . sig_move_ended	Handles the move animations count for the UI update timer	None	view_canvas.ViewTile	on_move_ended()
ViewTile . sig_move_update	Updates the current position of a tile	int, int	view_canvas.MoveAnimationThread	__on_move_updated()
ViewTile . sig_thread_finished	Ends the animation operation	None	view_canvas.MoveAnimationThread	__process_animation_ended()
CentralWidget . sig_move_animation_ended	Enables the switch perspective button once the previous animation ends	None	view_canvas.ViewCanvas	on_move_animation_ended()