[PyQt] File Dialogs Not Native In Linux Mint 17.3

[Dmitry Shachnev]

Hi,

On Fri, Aug 19, 2016 at 11:34:54AM +0000, Nick wrote:
> Been trying out a ZetCode sample on file dialogs (QFileDialog) using PyQt
> 5.7 via pip and a custom build of Python 3.5 in a virtual environment. When
> running the sample the file dialog looks way out of place (*UGLY* in a
> hugely distracting way). Seems to look and behave like the Qt
> implementation, not like the native one. The sample runs on Linux Mint 17.3
> using Cinnamon (Gtk 3 based) as the desktop.

Your Qt build is most probably missing the GTK+ platform theme plugin,
i.e. plugins/platformthemes/libqgtk3.so.

--
Dmitry Shachnev