see also Tooth Notation
Bases: PyQt4.QtGui.QWidget
a custom widget to show a standard UK dental chart allows for user navigation with mouse and/or keyboard
used by widgets which inherit from this class eg. widg.add_key_press_function(QtCore.Qt.Key_ControlA, widg.do_something)
the relevant ChartDataModel
relative width of the inner rows
overrides the paint event so that we can draw our grid note - other charts will re-implement this!
overloaded function, tooth can be either a reference, or a tooth object, or NoneType to deselect all NOTE - if a reference is sent, all other selections will be cleared!
sets which teeth are present from a 64bit integer key opposite function is found in the static chart subclass
populated during resize event