[Qt-interest] Runtime Error :- connect: No such slot (Update)

[Andreas Pakulat]

On 20.02.10 08:41:21, Wm. G. Urquhart wrote:
> Well this get weirder and weirder. In my code I have an existing slot 
> declared as:
> 
> void typeChanged(int) ;
> 
> when I 're-wire' my connect(...) to this slot it works, however; if I 
> change the code to use setLegendIndex(int) the connect(...) fails!
> 
> Object::connect: No such slot MyApp::setLegendIndex(int) in myapp.cpp:302
> Object::connect:  (receiver name: 'MyApp')
> 
> With setLegendIndex being declared thus:
> 
> void setLegendIndex(int msg) ;
> 
> and implemented using this:
> 
> void MyApp::setLegendIndex(int msg)
> {
> 	::QMessageBox::information(this, "Set Legend", tr("Value is 
> %1").arg(msg)) ;
> }
> 
> It was suspected that setLegendIndex was getting 'optimised' out but as 
> I use an if (...) to connect the signal I call the function when it fails:
> 
> pTest = new SignalTest() ;
> if (connect(pTest, SIGNAL(Boo(int)), this, SLOT(setLegendIndex(int)), 
> Qt::ConnectionType::QueuedConnection))
> {
> 	pTest->Start() ;
> }
> else
> {
> 	setLegendIndex(5) ;
> }
> 
> If I could be any more confused I would be, does anyone have any 
> suggestions here?

Is setLegendIndex also declared as a slot? Did you forget the Q_OBJECT
macro? If neither of these two is the problem please post a complete
example showing the problem.

Andreas

-- 
You're ugly and your mother dresses you funny.