Buttons on popup dialogs not rendered

[dr_barnowl]

Reproduce :

* Begin a three-way merge
** I run across these in my normal workflow
* Close the window without saving
* "Save merge output?" dialog shows
** Buttons are not rendered : see screenshot
** Widgets are not just invisible - clicking in their usual location does nothing

Workarounds :

* Use hotkey shortcut to trigger button
* Drag pop-up dialog using title bar ; window is re-rendered with buttons immediately
** Is this a layout issue (ie - buttons are laid out beyond the bounds of the dialog and move into position correctly when dialog is moved?)

System :

Ubuntu 13.10 64-bit, nvidia graphics running the proprietary drivers
BC4 build 17451

[David]

I am able to repeat this on my build machine and will be working on a fix today.

[dr_barnowl]

Still an issue in 17628

[Aaron]

Thanks. Sorry that's still coming up. We'll reopen this and look into it for the next release.