coverity#738885 unused member variable

Change-Id: I2f12445df2a04b6afb91caa6854ead61950bfec1
coverity#738877 Uninitialized scalar field

Change-Id: Ieec62701502ee18c3b19d9cc324059c2380184c0
coverity#738876 Uninitialized scalar field

Change-Id: Ib782a03a66570deec494f2665640ed38e962862e
coverity#738866 Uninitialized scalar field

Change-Id: I2ab29fb267055f70c0d42970abd4e4d944ab7006
Related: fdo#74242 #i104470# we now have a seperate CARET_CHANGED event

so cursoring left and right in normal non-multiline edit widgets should
give a11y cursor-changed events

Change-Id: I91e86e43d049793912b3ffcc2802bb9aa4b3857c
Related: fdo#74242 send selection change before caret change

because that's what I see gtk does

Change-Id: Ifa20f4d84fd31ea6fcc640589b72efd00c9665fd