On segunda-feira, 16 de julho de 2012 09.38.53, Andreas Aardal Hanssen wrote: > In Qt 4 we added obsolete symbols for Qt 3, and this never caused any pain > for anybody. Qt3Support was a well intended effort to either port classes > that were dropped from Qt 3, or to wrap those around Qt 4 classes that > provided the same functionality. Let's make use of the good experience this > was in Qt 5 as well.
Qt3Support did enable some compatibility features in QtCore and QtGui (especially the event loop and kernel), which means that CPU cycles would be spent for the price of having compatibility. We chose not to do the same in Qt 5. All the compatibility layer is made up of inline functions. -- Thiago Macieira - thiago.macieira (AT) intel.com Software Architect - Intel Open Source Technology Center Intel Sweden AB - Registration Number: 556189-6027 Knarrarnäsgatan 15, 164 40 Kista, Stockholm, Sweden
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