Called when a traversal key is pressed.
Allow tab next traversal to occur when the widget is in single
line mode or in multi line and non-editable mode .
When in editable multi line mode we want to prevent the tab
traversal and receive the tab key event instead.
Called when a traversal key is pressed. Allow tab next traversal to occur when the widget is in single line mode or in multi line and non-editable mode . When in editable multi line mode we want to prevent the tab traversal and receive the tab key event instead.
@param event the event