Eclipse\Aptana code completion is unreadable

I'm having an issue where the text in the code completion dialog is unreadable. For whatever reason the foreground is the same as the background. I have tried finding the right colors to change in the preferences but with no开发者_运维问答 success.

It was pulling the colors from the default system theme selected in Ubuntu. It appears that Aptana doesn't allow one to override the system colors for that dialog.

Actually, there is a solution for this problem. The first possibility is to change the Aptana theme at Window - Preferences - Aptana Studio - Themes. IMHO, the "Bespin" theme's quite nice. The second possibility is to change the colors system-wide using Ubuntu's appearance settings for tooltips: