Hello,
Speaking about "ROOT using Qt" what did you? Did you download the code
from http://root.bnl.gov and compile it yourself or you just use one
from afs area
Thank you
> -----Original Message-----
> From: owner-roottalk@pcroot.cern.ch
[mailto:owner-roottalk@pcroot.cern.ch]
> On Behalf Of Christophe Delaere
> Sent: Thursday, April 24, 2003 11:19 AM
> To: roottalk
> Subject: [ROOT] standalone TApplication with QtRoot patch
>
> Hi all,
>
> I'm starting to use the patched version of ROOT using Qt on Linux.
> ROOT Version 3.03/09
>
> ROOT works very well, and I really appreciate the new features
introduced
> by
> Qt. But I've a problem running a standalone code. Here is the
extremely
> simple code I've written for testing purposes:
>
> -----------------------------
> #include <iostream>
> #include "TApplication.h"
> #include "TCanvas.h"
>
> int main(int argc, char** argv)
> {
> TApplication ta("test",&argc,argv);
> TCanvas c1("ctest","test canvas");
> while(1) { ta.Run(); }
> return 0;
> }
> --------------------------------
> compilation:
> g++ testme.cpp -o testme `root-config --cflags --glibs`
>
> With the standard ROOT, it works well. I can see the canvas and
interact
> with
> the menus. But if I try the modified ROOT version, I get a segfault.
Here
> is
> what gdb tells me:
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 8192 (LWP 1850)]
> 0x40a1b307 in TPad::PaintBox(double, double, double, double, char
const*)
> ()
> from /disks/scratch/install/root//lib/libGpad.so
> (gdb) bt
> #0 0x40a1b307 in TPad::PaintBox(double, double, double, double, char
> const*)
> () from /disks/scratch/install/root//lib/libGpad.so
> #1 0x40a1a835 in TPad::PaintBorder(short, bool) ()
> from /disks/scratch/install/root//lib/libGpad.so
> #2 0x40a1afdc in TPad::PaintModified() ()
> from /disks/scratch/install/root//lib/libGpad.so
> #3 0x40a01afa in TCanvas::Update() ()
> from /disks/scratch/install/root//lib/libGpad.so
> #4 0x410407eb in TQtWidget::exitSizeEvent() ()
> from /disks/scratch/install/root//lib/libQt.so
> #5 0x410405bb in TQtWidget::resizeEvent(QResizeEvent*) ()
> from /disks/scratch/install/root//lib/libQt.so
> #6 0x412d44c8 in QWidget::event(QEvent*) ()
> from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
> #7 0x4124bc49 in QApplication::internalNotify(QObject*, QEvent*) ()
> from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
> #8 0x4124b4f1 in QApplication::notify(QObject*, QEvent*) ()
> from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
> #9 0x4124c5d4 in QApplication::sendPostedEvents(QObject*, int) ()
> from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
> #10 0x412d3170 in QWidget::show() () from /usr/lib/qt-3.0.5/lib/libqt-
> mt.so.3
> #11 0x412d32c5 in QWidget::show() () from /usr/lib/qt-3.0.5/lib/libqt-
> mt.so.3
> #12 0x41378e2c in QMainWindow::show() ()
> ---Type <return> to continue, or q <return> to quit---
> from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
> #13 0x412232fb in QWidget::showNormal() ()
> from /usr/lib/qt-3.0.5/lib/libqt-mt.so.3
> #14 0x4103a448 in TQt::RaiseWindow(unsigned long) ()
> from /disks/scratch/install/root//lib/libQt.so
> #15 0x41d04524 in TQtCanvasImp::Show() ()
> from /disks/scratch/install/root//lib/libQtGui.so
> #16 0x409fd4ab in TCanvas::Constructor(char const*, char const*, int)
()
> from /disks/scratch/install/root//lib/libGpad.so
> #17 0x409fd0ab in TCanvas::TCanvas(char const*, char const*, int) ()
> from /disks/scratch/install/root//lib/libGpad.so
> #18 0x08048aff in main ()
> #19 0x420158d4 in __libc_start_main () from /lib/i686/libc.so.6
>
> Do I forget sth important ?
>
> Thanks,
> Christophe.
>
>
> --
> +-----------------------------------------------------------\|/---+
> | Christophe DELAERE office: e253 !o o! |
> | UCL - FYNU phone : 32-(0)10-473234 ! i ! |
> | chemin du cyclotron, 2 fax : 32-(0)10-452183 `-' |
> | 1348 Louvain-la-Neuve BELGIUM e-mail: delaere@fynu.ucl.ac.be |
> +-----------------------------------------------------------------+
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