On 14 May 2012 11:42, Thiago Macieira <[email protected]> wrote: > On segunda-feira, 14 de maio de 2012 11.36.04, Thiago Macieira wrote: >> On domingo, 6 de maio de 2012 07.47.44, Thiago Macieira wrote: >> > On sábado, 5 de maio de 2012 23.18.18, Giuseppe D'Angelo wrote: >> > > qgraphicsview.cpp-2790- d->useLastMouseEvent = false; >> > > qgraphicsview.cpp-2791- // a hack to pass a viewport pointer to >> > > the scene inside the leave event >> > > qgraphicsview.cpp:2792: Q_ASSERT(event->d == 0); >> > > qgraphicsview.cpp:2793: event->d = >> > > reinterpret_cast<QEventPrivate *>(viewport()); >> > > qgraphicsview.cpp-2794- QApplication::sendEvent(d->scene, event); >> > > qgraphicsview.cpp-2795- break; >> > >> > Argh! >> > >> > Does anyone have a clean suggestion on how to fix this hack? >> >> Since no one has a suggestion on how to fix the hack, I'll close the task >> and abandon the patch that cleans up QEvent. >> >> I'll add a ### to QEvent saying that the d pointer cannot be used because of >> a hack in graphics view. > > Actually, I have a better idea: I'll just add an extra pointer to QEvent for > the sole reason of letting QGraphicsView use it. > > If someone thinks that adding 4 or 8 bytes to EVERY EVENT is a bad idea, > please help me come up with a better alternative.
A private QEvent subclass carrying that pointer, to be used by QGV? -- Giuseppe D'Angelo _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
