Re: [Oscar-devel] netbootmgr and Qt4

[Olivier L. <oli...@ce...>]

Still progressing.

No more segfault and the setSizeGribEnabled is fixed.

Olivier.

Le Sunday 6 July 2014 23:28:23 oli...@fr... a écrit :
> I've worked on perl-Qt fix all the WE and came to a big patch. (posted here:
> https://code.google.com/p/perlqt4/issues/detail?can=2&start=0&num=100&q=&co
> lspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary&groupby=&s
> ort=&id=46 )
> 
> perl-Qt (puic4) will now generate valid perl code.
> Unfortunately, I don't know it the generated code means somethiong coherent
> for Qt. I've just fixed and completed the existing puic4 code.
> I have just a small perl issue in setupUi in Ui_NetBootMgr.pl
> => The line:
> $netBootMgr->setSizeGripEnabled( 1 );
> --- Error: Method does not exist or not provided by this binding:
> QWidget::setSizeGripEnabled(),
> called at /usr/share/perl5/vendor_perl/Ui_NetBootMgr.pm line 129
> 'use QtCore4::debug qw(ambiguous)' for more information.
> 
> Is the generated code bad, or is it something that is incomplet or not yet
> implemented in QtCore4.so???
> 
> The beahviour is really different from perl-Qt3. Now you must add some perl
> files NetBootMgr.pm and SureDialog.pm that will respectively make use of
> their Ui_ dedicated file. As I've never ever coded in Qt, I don't know what
> to put inside those files. (just copypasted the minimum from example files)
> 
> For the moment, if you look at pkgsrc/netbootmgr/trun svn (svn update)
> you'll see my Work In Progress (WIP) if you make rpm in there and try to
> start netbootmgr, it segfault. Thus I imagine that because the perl code is
> incomplete and because Qt4Core.so is not fault tolerent, it crashes (null
> pointer, something is not declared in time).
> 
> the output:
> Program received signal SIGSEGV, Segmentation fault.
> Q3ListViewItem::Q3ListViewItem (this=0x132f540, parent=0x0) at
> itemviews/q3listview.cpp:425 425 parent->insertItem(this);
> Missing separate debuginfos, use: debuginfo-install
> kdelibs-4.11.5-2.fc19.x86_64 pcre-8.32-8.fc19.x86_64 (gdb) bt
> #0 Q3ListViewItem::Q3ListViewItem (this=0x132f540, parent=0x0) at
> itemviews/q3listview.cpp:425 #1 0x00007fffef325def in x_Q3ListViewItem
> (x1=<optimized out>, this=<optimized out>) at
> /usr/src/debug/smokeqt-4.11.5/x86_64-redhat-linux-gnu/qt3support/x_11.cpp:2
> 598 #2 x_2 (x=<optimized out>) at
> /usr/src/debug/smokeqt-4.11.5/x86_64-redhat-linux-gnu/qt3support/x_11.cpp:2
> 595 #3 __smokeqt3support::xcall_Q3ListViewItem (xi=1, obj=0x1224e40,
> args=0x12de930) at
> /usr/src/debug/smokeqt-4.11.5/x86_64-redhat-linux-gnu/qt3support/x_11.cpp:3
> 544 #4 0x00007ffff145bc7a in PerlQt4::MethodCall::callMethod() () from
> /usr/lib64/perl5/vendor_perl/auto/QtCore4/QtCore4.so #5 0x00007ffff1457a78
> in PerlQt4::MethodCallBase::next() () from
> /usr/lib64/perl5/vendor_perl/auto/QtCore4/QtCore4.so #6 0x00007ffff1469ed3
> in XS_AUTOLOAD () from /usr/lib64/perl5/vendor_perl/auto/QtCore4/QtCore4.so
> #7 0x00000032178baf5f in Perl_pp_entersub (my_perl=0x604010) at
> pp_hot.c:2778 #8 0x00000032178b3796 in Perl_runops_standard
> (my_perl=0x604010) at run.c:41 #9 0x00000032178510f0 in S_run_body
> (oldscope=<optimized out>, my_perl=<optimized out>) at perl.c:2402 #10
> perl_run (my_perl=0x604010) at perl.c:2320
> #11 0x0000000000400d99 in main (argc=2, argv=0x7fffffffdbd8,
> env=0x7fffffffdbf0) at perlmain.c:120 (gdb) q
> 
> I've worked on issues 44 and 46 (
> https://code.google.com/p/perlqt4/issues/list ) and posted issues 57, 58,
> 59, 60 .
> 
> Regards ,
> 
> PS: The kdebindings repo is more uptodate that official perlqt. The Author
> will resync. the kdebinding repo has support for perl 5.18.0 while perlqt
> at google hasn't. Regarding puic4, both have the same patch level with
> total icomplete Qt3Support4 module. My above patch fix all the
> implementation except 3 objects that are empty and thus I don't know what
> to generate.
> 
> Olivier.


Cordialement,

Olivier.

-- 
    Olivier Lahaye
    DRT/LIST/DIR