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()
Controller. sig_canvas_drag	Performs a drag operation	tuple, tuple	view_canvas. ViewCanvas	move_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 and the shuffle buttons once the previous animation ends	lambda	view_canvas. ViewCanvas	emit:: sig_enable_animation_btns(True)
ViewMainToolBar. sig_enable_animation_btns	Manages the enabled state of the switch perspective and the shuffle buttons	bool	view_mainframe. CentralWidget	enable_animation_btns()
Controller. sig_course_changed	Updates the displayed course	int	view_courses. ViewCoursePanel	on_course_changed()
Controller. sig_create_course	Creates a new course	str	view_add_widget. ViewAddWidget	on_create_course()
Controller. sig_topic_changed	Updates the topic of the selected course	str	view_board. ViewTopics	on_topic_changed()
Controller. sig_student_group_changed	Updates the list of students given the selected group	str	view_toolbar. ViewStudentListToolbar	on_student_group_changed()
Controller. sig_student_selected	To be determined	int	view_students. ViewStudentPanel	on_student_selected()