Description of problem:
Open gedit Preferences window, in "Font & Colors" and "Syntax Highlighting" tab,
try to changes color by eyedropper, it doesn't work and only use Esc key to
close popup window 

Version-Release number of selected component (if applicable):
gedit-2.15.9-1.fc6

How reproducible:
always

Steps to Reproduce:
1.launch gedit
2.select Edit->Preferences
3.In "Font & Colors" tab, click any button under "Colors"
4.In popup window, click eyedropper and try to pick up a color
  
Actual results:
eyedropper doesn't work

Expected results:


Additional info: