Steps:
Open a window, and split vertically
Double click the titlebar to enter edit mode, or try to edit the group label
Actual result:
The edit box is very wide, and pushes the splitter way over as the target terminal expands.
This happens with horizontal split too (up/down), but only a few pixels.
If cancelling the edit (click outside) the splitter returns to the initial position.
Accepting (Return) the titlebar text change will return the splitter to the initial position, but issue remains.
Accepting the group label text change will NOT return the splitter to the initial position. It will move partway back, but issue remains.
Doing a splitter balance (double-click splitter handle) or moving the splitter prevents this behaviour and removes the problem for this splitter pair.
Expected result:
The layout should not deform.
Additional info:
Ubuntu 14.04
Terminator GTK3 r1600
I have the fix for this. It was due a the position-set property not being True. Once forcing this property in the init function of the horizontal and vertical paned sub-classes, the layout distortion does not happen anymore.