Am 22.01.2013 19:46, schrieb nikita baryshnikov:
> Hi
>
> #include <QtWidgets/QApplication>
>
> #include <QtWidgets/QFileDialog>
>
>
> int main(int argc, char *argv[])
>
> {
>
> QApplication app(argc, argv);
>
> QFileDialog fd(0, "Load from file", QDir::currentPath(), "All
> Files (*)");
>
> // fd.exec();
>
> // return app.exec();
>
> }
>
>
> works good for mewithout any error:(
which qt version, which compiler / version did you use?
>
>
>
> On Mon, Jan 21, 2013 at 9:41 PM, Wilhelm <wilhelm.me...@fh-kl.de
> <mailto:wilhelm.me...@fh-kl.de>> wrote:
>
> Am 21.01.2013 19:36, schrieb Jason H:
> > Looks ok. But try calling a.exec() and using a singleshot zero
> timeout
> > timer (beforr a.exec()) to bring up the file dialog. Let us know
> if that
> > works.
>
> That all works. I stripped down the example to bring only the run-time
> error. Looks like a Qt5-error, because the error doesn't show up in Qt
> 4.8.3. e.g.
>
> I tries various g++ versions witg Qt5, but the run-time error remains.
>
> Any Qt5 hints?
>
> >
> >
> >
> >
> ------------------------------------------------------------------------
> > *From:* Wilhelm <wilhelm.me...@fh-kl.de
> <mailto:wilhelm.me...@fh-kl.de>>
> > *To:* Qt Interest <interest@qt-project.org
> <mailto:interest@qt-project.org>>
> > *Sent:* Monday, January 21, 2013 1:33 PM
> > *Subject:* [Interest] QFileDialog: what's wrong with this minimal
> example
> >
> > Hi all,
> >
> > if I compile this stripped down minimal example
> > -------------
> > #include <QApplication>
> > #include <QFileDialog>
> >
> > int main(int argc, char *argv[])
> > {
> > QApplication a(argc, argv);
> > QFileDialog fd(0, "Load from file",
> > QDir::currentPath(),
> > "All Files (*)");
> >
> > // return a.exec();
> > }
> > ---------------
> >
> > I get the following run-time error:
> >
> > QObject: Cannot create children for a parent that is in a
> different thread.
> > (Parent is QFileSystemWatcher(0x1770be0), parent's thread is
> > QThread(0x1734420), current thread is QFileInfoGatherer(0x1791c58)
> >
> >
> > It is compiled with QT5.0.0 and g++ (GCC) 4.8.0 20130113
> (experimental):
> >
> > make[2]: Entering directory
> >
> `/home/lmeier/Software/qtwm/trunk/apps/apps5-build-QT5-Debug/test/test4'
> > g++ -c -m64 -pipe -g -Wall -W -D_REENTRANT -fPIE -DQT_WIDGETS_LIB
> > -DQT_GUI_LIB -DQT_CORE_LIB
> > -I/opt/Qt5.0.0/5.0.0/gcc_64/mkspecs/linux-g++-64
> > -I../../../apps5/test/test4 -I/opt/Qt5.0.0/5.0.0/gcc_64/include
> > -I/opt/Qt5.0.0/5.0.0/gcc_64/include/QtWidgets
> > -I/opt/Qt5.0.0/5.0.0/gcc_64/include/QtGui
> > -I/opt/Qt5.0.0/5.0.0/gcc_64/include/QtCore -I. -I. -o main.o
> > ../../../apps5/test/test4/main.cc
> > make[1]: Entering directory
> > `/home/lmeier/Software/qtwm/trunk/apps/apps5-build-QT5-Debug/lib'
> > make[1]: Nothing to be done for `first'.
> > make[1]: Leaving directory
> > `/home/lmeier/Software/qtwm/trunk/apps/apps5-build-QT5-Debug/lib'
> > g++ -m64 -Wl,-rpath,/opt/Qt5.0.0/5.0.0/gcc_64
> > -Wl,-rpath,/opt/Qt5.0.0/5.0.0/gcc_64/lib -o test4 main.o
> > -L/usr/X11R6/lib64 -L/opt/Qt5.0.0/5.0.0/gcc_64/lib -lQt5Widgets
> -lQt5Gui
> > -lQt5Core -lGL -lpthread
> >
> > --
> > Wilhelm
> >
> > _______________________________________________
> > Interest mailing list
> > Interest@qt-project.org <mailto:Interest@qt-project.org>
> <mailto:Interest@qt-project.org <mailto:Interest@qt-project.org>>
> > http://lists.qt-project.org/mailman/listinfo/interest
> >
> >
>
>
> --
> Wilhelm
>
> _______________________________________________
> Interest mailing list
> Interest@qt-project.org <mailto:Interest@qt-project.org>
> http://lists.qt-project.org/mailman/listinfo/interest
>
>
--
Wilhelm
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