QT hell....

[socket]

Hello
Im having a bit of difficulties to understand how QT event hooking
works, im trying to figure out an example from trolltech's QT tutorial
(http://doc.trolltech.com/3.1/tutorial1-02.html)

Im having trouble with this line:

QObject::connect( &quit, SIGNAL(clicked()), &a, SLOT(quit()) );

What is SIGNAL() ? a macro?
It gets clicked() as a parameter, what for?
my reason says clicked() returns a value of some const that represents
an event but when looking on clicked() defenition i see that it
returns void:

void QButton::clicked () -
http://doc.trolltech.com/3.1/qbutton.html#clicked

So what's going on? how does it work? please help me understand

 

[Mike Wahler]

Hello
Im having a bit of difficulties to understand how QT event hooking
works, im trying to figure out an example from trolltech's QT tutorial
(http://doc.trolltech.com/3.1/tutorial1-02.html)

Im having trouble with this line:

QObject::connect( &quit, SIGNAL(clicked()), &a, SLOT(quit()) );

What is SIGNAL() ? a macro?

It's whatever the authors of QT defined it to be.
Read the documentation.

It gets clicked() as a parameter, what for?

Whatever the authors of QT define its purpose to be.
Read the documentation.

my reason says

Don't use 'your reason', read the documentation.
I see you already have the link for that.

clicked() returns a value of some const that represents
an event but when looking on clicked() defenition i see that it
returns void:

void QButton::clicked () -
http://doc.trolltech.com/3.1/qbutton.html#clicked

So what's going on? how does it work? please help me understand

How it works should be described in the documentation.
If you still don't understand, check to see if QT has
a mailing list or newsgroup or other support resources.

None of this has anything to do with the ISO standard
C++ langauge, the topic here.

-Mike

 

[Noah Roberts]

How it works should be described in the documentation.
If you still don't understand, check to see if QT has
a mailing list or newsgroup or other support resources.

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