UI elements don't scale with dpi

[Andreas E.]

Some UI elements are hard to read and extremely hard to click, because they don't scale with the system font size or the display's dpi value.

dconf org.gnome.desktop.interface.scaling-factor = 2

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: pgadmin3 1.18.1-3
ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
Uname: Linux 3.16.0-25-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Nov 27 23:32:58 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-02-02 (298 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140201)
SourcePackage: pgadmin3
UpgradeStatus: Upgraded to utopic on 2014-11-04 (23 days ago)