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Developer
Posts: 89
Registered: ‎10-18-2012
My Device: BB Z10
My Carrier: -
Accepted Solution

Signal connect problem

Hi all,

I have an strange problem connecting signals to slots. I have the next code:

 



Container* container = root->findChild<Container*>("timeline_container");
m_pForeignWindow = (ForeignWindowControl*)(container->at(0));

 

// m_pForeingWindow is not null here

 

bool success = connect(m_pForeignWindow,
                             SIGNAL(windowAttached(screen_window_t,const QString&,const QString&)),
                             this,
                             SLOT(onWindowAttached(screen_window_t,const QString&,const QString&)));

 

// success == true here


success = QObject::connect(m_pForeignWindow,
                    SIGNAL(touch(TouchEvent *)),
                    m_timeline,
                    SLOT(onTouch(TouchEvent *)) );

 

//success == false here


 

Searching with the debugger I obtained the next message:

 

Object::connect: No such signal bb::cascades::ForeignWindowControl::touch(TouchEvent *) 

 

but this signal exists for all VisualNode objects... What am I doing wrong??

 

Regards.

 

 

Developer
Posts: 160
Registered: ‎01-27-2012
My Device: Playbook
My Carrier: Rogers

Re: Signal connect problem

Any cascade specific classes have to be speficially called out within connect.  Try

 

bb::cascades::TouchEvent

---
If you find my post helpful please "like" it and "accept as a solution"
Developer
Posts: 89
Registered: ‎10-18-2012
My Device: BB Z10
My Carrier: -

Re: Signal connect problem

When I try this:

 

bool success = QObject::connect(m_pForeignWindow,
                                                             SIGNAL(touch(bb::cascades::TouchEvent *)),
                                                             m_timeline,
                                                             SLOT(onTouch(bb::cascades::TouchEvent *)) );

 

The IDE shows an error:

Signal/Slot "ForeignWindowControl.touch(bb::cascades::TouchEvent *)" is not defined.

 

In the 'include' section I have:

 

#include <bb/cascades/ForeignWindowControl>
#include <bb/cascades/TouchEvent>

 

using namespace bb::cascades;

 

 

Regards

 

Developer
Posts: 292
Registered: ‎07-25-2008
My Device: Passport

Re: Signal connect problem

See if it actually compiles.  The IDE in the current beta is notorious for incorrectly reporting those errors, so I suggest turning them off.

 

Window -> Preferences -> C/C++ -> Code Analysis -> Qt Syntax Problem

Developer
Posts: 89
Registered: ‎10-18-2012
My Device: BB Z10
My Carrier: -

Re: Signal connect problem

Thanks a lot, I was going crazy!!!