[PyQt] PYQt defaults to fonts looking bold on macOS but C++ Qt does not

Barry Scott barry at barrys-emacs.org
Wed Jul 6 12:08:02 BST 2016


> On 6 Jul 2016, at 12:04, Phil Thompson <phil at riverbankcomputing.com> wrote:
> 
> On 6 Jul 2016, at 11:55 am, Barry Scott <barry at barrys-emacs.org> wrote:
>> 
>>> 
>>> On 6 Jul 2016, at 11:50, Phil Thompson <phil at riverbankcomputing.com> wrote:
>>> 
>>> On 6 Jul 2016, at 11:26 am, Barry Scott <barry at barrys-emacs.org> wrote:
>>>> 
>>>> Compare the windows snapshots taken for a PyQt5 app and a C++ Qt5 app
>>>> that use a QLabel control.
>>>> 
>>>> http://www.barrys-emacs.org/export/Qt5.png
>>>> 
>>>> http://www.barrys-emacs.org/export/PyQt5.png
>>>> 
>>>> You can see that the text in PyQt5 looks like it is bold compared to the
>>>> Qt5 version.
>>>> 
>>>> On Fedora I see that same text for Qt5 and PyQT5.
>>>> 
>>>> Please fix this problem in PyQt5.
>>>> 
>>>> The source code I used is in:
>>>> 
>>>> http://barrys-emacs.org/export/font-example.tar.gz
>>>> 
>>>> Note: This bug affects all text, list, tables, line edit everything.
>>> 
>>> ...on your system. It works fine for me. PyQt does nothing with fonts.
>> 
>> Oh. I have not knowingly done anything that would cause this.
>> 
>> If I wanted to globally change the font used by PyQt5 how would I do it?
>> Is there a config file that PyQt5 will read that Qt will not?
> 
> No.

I guess I’m about to learn how dtrace works to find the difference.

Barry

> 
> Phil



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