Incomplete documentation - sorry!
Note
Neil - please put some data in technical/class_headings/ChartLineEdit.rst
Bases: PyQt4.QtGui.QLineEdit
A custom line edit that accepts only BLOCK LETTERS and is self aware when verification is needed override the keypress event for up and down arrow keys.
this is a signal emitted when user has finished entering an item. argument will be (“next”, “prev” or “stay”)