Required Information

Version(s) of Ext GWT


Browser versions and OS (and desktop environment, if applicable)
  • Firefox 26, Windows 8.1 with 125% font dpi selected.

Virtual Machine

On higher dpi selected laptops, moving mouse pointer over grid headers causes increment on their heights.

Run mode


Steps to reproduce the problem
  1. Make sure you have selected 125% font dpi. Right click on desktop, choose screen resolution, click on "Make text and other items larger or smaller", select the item "Medium 125%" , Apply. You may need to do relog.
  2. Open URL with Firefox
  3. Make sure Neptune Theme selected.
  4. Move mouse pointer over first column header and than move it back to nearest one and repeat.

Expected result
Expecting column headers sections height stays same.

Actual result
Increment on column header heights

Test case

Helpful Information Screenshot or video

Live test

Debugging already done

Possible fix