D28134: Add ColorUtils

[Allen Winter]

winterz added a comment.


  In D28134#643899 <https://phabricator.kde.org/D28134#643899>, @kossebau wrote:
  
  > Seems to no be compatible with Qt 5.12, see failing on CI: https://build.kde.org/view/Failing/job/Frameworks/job/kirigami/job/kf5-qt5%20SUSEQt5.12/lastFailedBuild/console
  
  
  same for Qt5.13.2
  please revert or fix asap.  lots of the build stack depends on kirigami
  
    [3/5] Building CXX object src/CMakeFiles/kirigamiplugin.dir/kirigamiplugin.cpp.o
    FAILED: src/CMakeFiles/kirigamiplugin.dir/kirigamiplugin.cpp.o 
    /data/kde/src/5/frameworks/kirigami/src/kirigamiplugin.cpp:248:122: error: invalid user-defined conversion from ‘KirigamiPlugin::registerTypes(const char*)::<lambda(QQmlEngine*, QJSEngine*)>’ to ‘QObject* (*)(QQmlEngine*, QJSEngine*)’ [-fpermissive]
      248 |     qmlRegisterSingletonType<ColorUtils>(uri, 2, 12, "ColorUtils", [](QQmlEngine*, QJSEngine*) { return new ColorUtils; });
          |                                                                                                                          ^
    /data/kde/src/5/frameworks/kirigami/src/kirigamiplugin.cpp:248:68: note: candidate is: ‘KirigamiPlugin::registerTypes(const char*)::<lambda(QQmlEngine*, QJSEngine*)>::operator ColorUtils* (*)(QQmlEngine*, QJSEngine*)() const’ <near match>
      248 |     qmlRegisterSingletonType<ColorUtils>(uri, 2, 12, "ColorUtils", [](QQmlEngine*, QJSEngine*) { return new ColorUtils; });
          |                                                                    ^
    /data/kde/src/5/frameworks/kirigami/src/kirigamiplugin.cpp:248:68: note:   no known conversion from ‘ColorUtils* (*)(QQmlEngine*, QJSEngine*)’ to ‘QObject* (*)(QQmlEngine*, QJSEngine*)’
    In file included from /usr/include/qt5/QtQml/qqmlengine.h:47,
                     from /usr/include/qt5/QtQml/QQmlEngine:1,
                     from /data/kde/src/5/frameworks/kirigami/src/kirigamiplugin.h:14

REPOSITORY
  R169 Kirigami

REVISION DETAIL
  https://phabricator.kde.org/D28134

To: cblack, #plasma, mart, davidedmundson
Cc: winterz, dfaure, kossebau, fvogt, davidedmundson, plasma-devel, fbampaloukas, GB_2, domson, dkardarakos, ngraham, apol, ahiemstra, mart
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