D9070: KDE platform plugin: don't force default stylename on user-specified fonts

[David Faure]

dfaure added a comment.


  I've been hitting a very similar bug where a Qt app was trying to use a bold font, and this had no effect when running in a plasma workspace, because of this code in kfontsettingsdata.cpp.
  
  Testcase (couldn't be simpler...) http://www.davidfaure.fr/2018/qlabel_inherited_font.cpp
  with this in ~/.config/kdeglobals:
  
    [General]
    font=Noto Sans,7,-1,5,50,0,0,0,0,0,Regular
  
  Unfortunately, this patch doesn't fix it. The text still isn't bold.
  
  Workaround: enabling the line that calls QApplication::setDesktopSettingsAware(false).
  Proof that this code is guilty: commenting out the fromString line makes it work, too.
  
  What really confuses me is: why isn't it all set up so that this platform-plugin code provides *default* fonts, and so that what apps do overrides that? (sorry that I didn't dig as far as some of you guys did)

REPOSITORY
  R135 Integration for Qt applications in Plasma

REVISION DETAIL
  https://phabricator.kde.org/D9070

To: rjvbb, #frameworks, davidedmundson, graesslin, cfeck, dfaure
Cc: abetts, anthonyfieroni, ngraham, cfeck, fvogt, plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, sebas, apol, mart
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