Qt-interest Archive, November 2006
problem with application
Message 1 in thread
Hello,
first, I'm sorry by my english.
I am creating an application with a lot of CheckBox in the screen. But,
as long as I'm adding checkbox and I'm performing the screen, the
kernel is showing me the next messenger:
*** glibc detected *** ./principal: double free or corruption (out):
0x091b10e8 ***
When I finish to add all checkbox, I can't to show the screen because
the kernel show the next messenger:
violacion de segmento
I'm using Qt 3.3.4. The file's name is coordformbase.cpp and those are
the checkbox's code I'm adding to file .cpp:
QWidget* privateLayoutWidget_6 = new QWidget( frameinf, "layout23" );
privateLayoutWidget_6->setGeometry( QRect( 125, 90, 82, 22 ) );
layout23 = new QHBoxLayout( privateLayoutWidget_6, 0, 0,
"layout23"); q6checkBox_2 = new QCheckBox( privateLayoutWidget_6,
"q6checkBox_2" );
q6checkBox_2->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)4,
(QSizePolicy::SizeType)4, 0, 0,
q6checkBox_2->sizePolicy().hasHeightForWidth() ) );
q6checkBox_2->setMaximumSize( QSize( 44, 20 ) );
layout23->addWidget( q6checkBox_2 );
q7checkBox_2 = new QCheckBox( privateLayoutWidget_6, "q7checkBox_2" );
q7checkBox_2->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)4,
(QSizePolicy::SizeType)4, 0, 0,
q7checkBox_2->sizePolicy().hasHeightForWidth() ) );
q7checkBox_2->setMaximumSize( QSize( 44, 20 ) );
layout23->addWidget( q7checkBox_2 );
Could anyone help me?
Thanks you
Regards
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Message 2 in thread
Hi Carlos,
GONZALEZ DE LA VEGA, CARLOS escribió:
> I am creating an application with a lot of CheckBox in the screen.
> But, as long as I'm adding checkbox and I'm performing the screen, the
> kernel is showing me the next messenger:
>
> *** glibc detected *** ./principal: double free or corruption (out):
> 0x091b10e8 ***
I see. Sometimes I receive this kind of messages, then I recompile my
program and everything goes right! :)
> When I finish to add all checkbox, I can't to show the screen because
> the kernel show the next messenger:
>
> violacion de segmento
For non spanish-speakers: "violación de segmento" is the same as
"segmentation fault" ;)
When you say you finish adding checkboxes, are you talking about adding
on designer, code, etc or you have a way to dinamically add checkboxes
to your app?
>
> I'm using Qt 3.3.4. The file's name is coordformbase.cpp and those are
> the checkbox's code I'm adding to file .cpp:
>
> QWidget* privateLayoutWidget_6 = new QWidget( frameinf, "layout23" );
> privateLayoutWidget_6->setGeometry( QRect( 125, 90, 82, 22 ) );
> layout23 = new QHBoxLayout( privateLayoutWidget_6, 0, 0,
> "layout23"); q6checkBox_2 = new QCheckBox(
> privateLayoutWidget_6, "q6checkBox_2" );
> q6checkBox_2->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)4,
> (QSizePolicy::SizeType)4, 0, 0,
> q6checkBox_2->sizePolicy().hasHeightForWidth() ) );
> q6checkBox_2->setMaximumSize( QSize( 44, 20 ) );
> layout23->addWidget( q6checkBox_2 );
> q7checkBox_2 = new QCheckBox( privateLayoutWidget_6,
> "q7checkBox_2" );
> q7checkBox_2->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)4,
> (QSizePolicy::SizeType)4, 0, 0,
> q7checkBox_2->sizePolicy().hasHeightForWidth() ) );
> q7checkBox_2->setMaximumSize( QSize( 44, 20 ) );
> layout23->addWidget( q7checkBox_2 );
Mmm, at first sight, can't see anything bad on your code. Are you sure
this part of code is to blame?
Regards, Saludos,
Javier.
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Message 3 in thread
Hi
> For non spanish-speakers: "violación de segmento" is the same as
> "segmentation fault" ;)
Thanks you, I have to learn
> When you say you finish adding checkboxes, are you talking about
> adding on designer, code, etc or you have a way to dinamically add
> checkboxes to your app?
I add checkboxes in my code
> Mmm, at first sight, can't see anything bad on your code. Are you
> sure this part of code is to blame?
I think that is the problem,because I have been adding gradually the
checkbox's code and then I was checking whether the screen worked,
until I got the stranger problem that I have now.
Regards and thank you.
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