see also : http://stackoverflow.com/questions/3360761/how-to-do-a-cleanup-after-sigkill
2013/7/9 Gopalakrishna Bhat <gopalakb...@gmail.com> > > > > On Tue, Jul 9, 2013 at 9:33 AM, andy fillebrown <andy.fillebr...@gmail.com > > wrote: > >> I think the problem might be the use of the "Force quit" button. That is >> not a normal way to close an application. Pressing the "Force quit" button >> is similar to using the OS to kill the process. I'd be surprised if any >> slots were called in that case. Try closing the application like a normal >> user would. >> >> Cheers, >> ~ andy.f >> >> >> >> >> >> On Mon, Jul 8, 2013 at 9:11 PM, Syam Krishnan <sya...@gmail.com> wrote: >> >>> On 07/09/2013 04:03 AM, Mitchell Verter wrote: >>> > How do I trigger cleanup actions on application close? >>> > >>> > I need to write out temporary objects and a footer to a file whenever >>> > the Application is closed. >>> > >>> > I've tried several approaches, but none of them produces any result >>> > when I "Force Quit" by hitting the red button within QtCreator. >>> >> > As others have pointed out, forcing an application to quit is killing the > process immediately. All the events in the event queue will discarded. > Hence none of your event handlers will be called. > > Try doing normal application termination like pressing the Close button on > the window etc. > >> > >>> > More specifically, I have tried to connect: >>> > >>> > QObject::connect(&myApplication, SIGNAL(aboutToQuit()), >>> > &myMainWindow, SLOT(closeFileSlot())); >>> > >>> > (note that I am using a QApplication rather than a QCoreApplication -- >>> > I'm not sure if it makes a difference) >>> >>> >>> You could try the signal QApplication::lastWindowClosed() or override >>> the closeEvent() function of your QMainWindow class. >>> >>> regards, >>> >>> Syam >>> _______________________________________________ >>> Interest mailing list >>> Interest@qt-project.org >>> http://lists.qt-project.org/mailman/listinfo/interest >>> >> >> >> _______________________________________________ >> Interest mailing list >> Interest@qt-project.org >> http://lists.qt-project.org/mailman/listinfo/interest >> >> > > > -- > My blog http://gkbhat.blogspot.com > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest > > -- -- Yunqiao (Charles) Yin
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