Make whole text rect of textfield cells with icons editable when there's no text content, as NSTextFieldCell does
Make whole text rect of textfield cells with icons editable when there's no text content, as NSTextFieldCell does

git-svn-id: cb3fc60f0f557b927b8032d8a94e869b6f9f230b@5302 0fceea05-a30d-0410-8a8b-80ef821fb0a1

camillobruni/skim,jasongrout/skim,camillobruni/skim,camillobruni/skim,camillobruni/skim,jasongrout/skim