Hi, Regarding memory leakage, I am not sure ? Even though this is the best WA I found until new version is released(looks like no one is working on it :( ). Please look at the folloing link : http://sourceforge.net/tracker/index.php?func=detail&aid=924345&group_id =29255&atid=395685 -----Original Message----- From: Ole Christensen [mailto:Ole.Christensen@web.de] Sent: Wednesday, May 31, 2006 6:06 PM To: kde-perl@kde.org Subject: Re: [Kde-perl] Perl-Qt4? Rasheed, doesn't that lead to a memory leakage? And does it work in each case (when removing cells)? I doubt. Cheers, Ole. Agbaria, Rasheed wrote: > There is already reported WA, > > Define your own table : > > package MyTable; > use strict; > use Qt; > use Qt::isa qw(Qt::Table); > > sub NEW { > shift->SUPER::NEW(@_); > } > > sub Qt::Table::takeItem { > } > > 1; > > > =============================== > Inside your code use MyTable instead of table: > package main; > use MyTable; > use strict; > use Qt; > > my $a = Qt::Application(\@ARGV); > > my $table = MyTable(); > $table->setNumRows( int(1) ); > $table->setNumCols( int(1) ); > $table->setText(0,0,'Hello'); > > $a->setMainWidget($table); > $table->show; > # Uncomment out either of the next to lines to reproduce the problem > $table->setNumRows(0); > #$table->removeRow(0); > > exit $a->exec; > > > this code worked fine. > > > -----Original Message----- > From: Joe Claborn [mailto:joe@claborn.net] > Sent: Wednesday, May 31, 2006 4:24 PM > To: kde-perl@kde.org > Subject: Re: [Kde-perl] Perl-Qt4? > > Ole, > Thanks for the reply. I think the problem is more fundamental than your > solution suggests. Here is the code that crashes. > > use strict; > use Qt; > > my $a = Qt::Application(\@ARGV); > > my $table = Qt::Table(); > $table->setNumRows( int(1) ); > $table->setNumCols( int(1) ); > $table->setText(0,0,'Hello'); > > $a->setMainWidget($table); > $table->show; > # Uncomment out either of the next to lines to reproduce the problem > $table->setNumRows(0); > #$table->removeRow(0); > > exit $a->exec; > > gives > *** glibc detected *** double free or corruption (fasttop): 0x085b1c10 > *** > Aborted > > So if I can not add text to a table and then reduce the size of the > table, I'm > not show that it is usable. > > Thanks again, > > Joe > > > > On Wednesday 31 May 2006 12:27 am, Ole Christensen wrote: >> Joe, >> >> sorry for responding late. >> >> Your problem can probably be solved by holding references to all table >> items in a "shadow table". I once used that approach for some other > issue >> with table items. Works without any problem for me. Sorry, I am in a > hurry. >> So, very brief: >> >> Put a copy (the reference) of each item you create in the Qt table > into a >> raw Perl table (array of refs to arrays). When you have deleted the > item, >> you can finally remove the item's copy. >> >> Let me know, if this is too short to understand. >> >> Cheers, >> Ole. >> >> Joe Claborn wrote: >>> On Tuesday 30 May 2006 4:30 pm, >>> >>>> You;re not getting the point, I've over 20,000 lines of code > written in >>>> Perl-Qt for PhoeNUX's GUI tools and DO NOT want to port to yet > another >>>> language. Please Ashley, say that there is a port planned :) >>> We too have a substantial number of lines written in Perl-Qt. And > as we >>> have not been able to solve the setNumRows(0) crashes, I'm looking > at >>> Ruby or C++. I like what I've read about Ruby, but I worried about >>> getting into another situation where I'm not writting in the 'base' >>> language of the tool. If we port to Ruby, and then in a couple of > years >>> Ruby-Qt fades away as it appears that Perl-Qt is, then I'm going to > wish >>> I'd ported to C++. >>> >>> Any ideas? Is there a way to keep Perl-Qt alive? > _______________________________________________ Kde-perl mailing list Kde-perl@kde.org https://mail.kde.org/mailman/listinfo/kde-perl _______________________________________________ Kde-perl mailing list Kde-perl@kde.org https://mail.kde.org/mailman/listinfo/kde-perl