[Fontconfig] How to block glyph fallback in a QT application?

[Janusz S. Bien]

Quote/Cytat - Raimund Steger <rs at mytum.de> (Mon 06 Jan 2014 02:51:29 PM CET):

> Hi,
>
> On Mon, January 6, 2014 07:13, Janusz S. Bien wrote:
>> [...]
>> incidentally selects an improper font, then fallback creates quite a
>> mess.
>
> What kind of mess are you seeing --
>
> * empty squares showing (= no glyph fallback)

That's what I would like to have when the user selects a wrong font.

> * proper characters showing but from the wrong font (= glyph fallback)

Usually this is just the case, by the main problem is caused by ligatures.
The historical texts used a lot of ligatures and it's quite confusing  
when they are split into separate characters.

Best regards

Janusz

-- 
Prof. dr hab. Janusz S. Bień -  Uniwersytet Warszawski (Katedra  
Lingwistyki Formalnej)
Prof. Janusz S. Bień - University of Warsaw (Formal Linguistics Department)
jsbien at uw.edu.pl, jsbien at mimuw.edu.pl, http://fleksem.klf.uw.edu.pl/~jsbien/