TextHandle: don't use unavailable property

Change-Id: Ibb40c132bf92490e4469c8051df6dd0cf601d0a3
TextHandle: remove unused property

Change-Id: I782cdd4b8db772855d056044818dcd89fbd8985a
Add new private control 'EditMenu'

This control will be used as a part of the different
text edit controls for controlling how the edit menu
should work.

Change-Id: Id3ed5795111c37269fce62a97cf4d9bde1b5f6b3
Add EditMenu to input controls

Add EditMenu to TextArea, TextField, ComboBox and
SpinBox.

Change-Id: Ic2fed55c467dde65334006d252f4052430f3f40c
Add new property 'menu' to input controls

Change-Id: I11d2ec295029a81b824125c07832ec3bf563dd26
update example

Change-Id: Id7abcc298e7b5586f0b328f431feae3ee7015698
remove stuff from textinputwithhandles

Change-Id: Ibfbb8311086d0ea56fcb535d20bdfa93bcade470