D29390: Respect QIcon::fallbackSearchpaths()

[Nicolas Fella]

nicolasfella created this revision.
nicolasfella added reviewers: Plasma, Frameworks.
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REVISION SUMMARY
  When an icon isn't found within a theme we are supposed to look for it in QIcon::fallbackSearchpaths() (https://doc.qt.io/qt-5/qicon.html#fromTheme).
  
  BUG: 405522

TEST PLAN
  Create /home/nico/foo.svg
  Add QIcon::setFallbackSearchPaths(QIcon::fallbackSearchPaths() << QStringLiteral("/home/nico/myicons")); to my app
  Use foo icon somewhere

REPOSITORY
  R302 KIconThemes

BRANCH
  fallback

REVISION DETAIL
  https://phabricator.kde.org/D29390

AFFECTED FILES
  src/kiconloader.cpp

To: nicolasfella, #plasma, #frameworks
Cc: kde-frameworks-devel, LeGast00n, cblack, michaelh, ngraham, bruns
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