Is it possible to change the way that docked tool windows in IDEA are laid out?
Currently, the bottom most window takes all the horizontal space, and the left and right
This feature is available since IntelliJ IDEA 13 release.
Settings
(Preferences
on Mac) | Appearance & Behavior
| Appearance
| Widescreen tool window layout.
Obsolete original answer:
No, such configuration is not supported at the moment, feel free to submit a feature request.
IDE Settings > Appearance > Widescreen tool window layout