Hi Benny,
This is really the wrong community to call for help on Qt & Eclipse.
I recommend you head over to them.
Robert.
On 11/16/06, benny porat <[EMAIL PROTECTED]> wrote:
ops, he did those error because I put this kine before the include,
I put them after and the error of before came back,
he write me:
undefined reference to `QString::shared_null'
[/usr/lib/qt3/include/qstring.h]
undefined reference to `QStringData::deleteSelf()'
[/usr/lib/qt3/include/qstring.h]
undefined reference to `QApplication::QApplication(int&,
char**)' main.cpp
undefined reference to `QString::QString(char const*)' main.cpp
.
.
.
someone, undestand way? what shold I do to compile it in eclipse?
On 11/16/06, benny porat <[EMAIL PROTECTED]> wrote:
> he is know give an error from the line I add, he wrote:
> /main.cpp:10: error: expected constructor, destructor, or type conversion
before '*' token
> ../main.cpp:11: error: 'QString' does not name a type
> ../main.cpp:12: error: expected constructor, destructor, or type
conversion before '*' token
> ../main.cpp:13: error: expected constructor, destructor, or type
conversion before '*' token
>
> for this prgoram:
>
>
>
/****************************************************************
> **
> ** Qt tutorial 1
> **
>
****************************************************************/
>
>
> QApplication *qApp;
> QString QString::null="";
> QStringData *QString::shared_null=0;
> QWidget *QApplication::main_widget = 0;
>
> #include <qapplication.h>
> #include <qpushbutton.h>
>
>
> int main( int argc, char **argv )
> {
> QApplication a( argc, argv );
> qApp = &a;
>
> QPushButton hello( "Hello world!", 0 );
> hello.resize( 100, 30 );
>
> a.setMainWidget( &hello );
> hello.show();
> return a.exec();
> }
>
> I think I dont understand you, what I do wrong?
>
> thanks
> NB
>
>
>
> On 11/16/06, Dieter Pfeffer <
[EMAIL PROTECTED]> wrote:
> >
> >
> > I had the same problems a time ago - try:
> >
> > QApplication *qApp;
> > QString QString::null="";
> > QStringData *QString::shared_null=0;
> > QWidget *QApplication::main_widget = 0;
> > int main( int argc, char **argv )
> >
> >
> > {
> >
> > QApplication a( argc, argv );
> >
> > qApp = &a;
> > ....
> >
> >
> >
> > Dieter
> >
> > Unclassified Mail
> > -------------------------
> >
> >
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of
benny porat
> > Sent: Thursday, 16 November, 2006 15:49
> > To: osg users
> > Subject: Re: [osg-users] GUI
> >
> >
> > I found this toturial
> > http://doc.trolltech.com/3.3/tutorial1-01.html
> > I try to compile it (I work with eclipse)
> > and I get error that I dont understand what to do
> > I gat error for every kine in the main:
> > undefind reference to 'QString::shared_null....
> > .
> > .
> > undefind reference to
'QApplication::QApplication(int&,char **)'
> > ...
> > and so on...
> >
> > I think that it something with the configure of the build?
> > do you know what I need to do?
> >
> > thanks
> > NB
> >
> > On 11/16/06, Robert Osfield <[EMAIL PROTECTED]> wrote:
> > > Hi Garret,
> > >
> > > On 11/16/06, Garrett Potts <[EMAIL PROTECTED]> wrote:
> > > > I am not sure of other peoples experiences. The visualization
system I am
> > > > running based on OSG is very smooth on the Qt 4.1.4 version but when
I
> > > > upgraded to 4.2 and without changing a line of code and just do a
re-compile
> > > > the scene became very Jerky. Playing with Qt's timer interval it
became
> > > > better but never looked into it further.
> > > >
> > > > Not sure if this information is useful but I am also curious if
others have
> > > > experienced similar problems.
> > >
> > > I haven't seen this, but it sounds like the timer has been given a
> > > lower priority or simply implemented differently.
> > >
> > > Using GUI timers to drive redraws isn't ideal, for solid framerates
> > > you really need to run a separate graphics thread. For any serious
> > > vis-sim work this is essential. For interactive apps GUI timers will
> > > often suffice, but as you've found out you are at the mercy of the
> > > Windowing toolkits implementation of its timers.
> > >
> > > Robert.
> > > _______________________________________________
> > > osg-users mailing list
> > > [email protected]
> > > http://openscenegraph.net/mailman/listinfo/osg-users
> > > http://www.openscenegraph.org/
> > >
> >
> >
> > _______________________________________________
> > osg-users mailing list
> > [email protected]
> > http://openscenegraph.net/mailman/listinfo/osg-users
> > http://www.openscenegraph.org/
> >
> >
>
>
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