[Qt-interest] Signal-Slot not working

[John Smith]

"Martin Fiala" <fialkam at gmail.com> wrote in message 
news:b7e0f19a0903230334i78eee280l805b1a3456c56820 at mail.gmail.com...
>I don't really clearly understand.. But to me it looks like
> "contactos_created" stays false all the time..
> If you want to change it, you could assign it after creating the
> newForm, where it sems logical to be set to true...
> But it surely doesn't explain why the program finishes unexpectedly...
>
> On Sun, Mar 22, 2009 at 8:15 PM, algajard <algajard at gmail.com> wrote:
>> Hey list,
>>
>> I've a problem with signals and slots. I created a signal for a QWidget
>> for closing and a slot in other QWidget with a slot that receive this
>> signal and update somes inner states. The problem is that apparently the
>> signal is not recieved by the slot.
>>
>> Here is the signal
>>
>>
>> void ContactosForm::closeEvent(QCloseEvent *event)
>> {
>> emit closing();
>> event->accept();
>> }
>>
>> Here is the slot (is a private slot).
>>
>> void ClientesForm::contactos_closing()
>> {
>> this->contactos_created=false;
>> }
>>
>> and this is the Constructor of the second widget.
>>
>> ClientesForm::ClientesForm(QWidget *parent) :
>> QWidget(parent){
>> setupUi(this);
>> contactos_created=false;
>> newForm=new ContactosForm;
>> connect(newForm,SIGNAL(closing()),this,SLOT(contactos_closing()));
>> }

Also, check the return value of connect

bool b = connect(newForm,SIGNAL(closing()),this,SLOT(contactos_closing()));
assert(b);