This issue effects ExtJS 4.x too

See second example on http://ift.tt/1kj4cWl


Steps to reproduce: Check several rows, and then click just outside the check box but still within a check cell


Observed Behavior: A click inside the checkbox cell but outside the actual checkbox will be treated as a row selection rather than a check. This is easy to do accidentally when attempting to rapidly check-select a series of rows, and very frustrating if a user just spent time checking a large number of rows and then a slightly misplaced click resets the entire selection.


Expected Behavior: Clicks anywhere in the check cell should be treated as a check and never as a row select