Custom PyQt4 Slots
Diez B. Roggisch
deets at nospam.web.de
Mon Aug 11 22:56:50 CEST 2008
Diez B. Roggisch schrieb:
> ff schrieb:
>> Is it possible to create custom PyQt4 Slots, i have searched high and
>> low to no avail;
>> I have an application that can set animation speed to different
>> levels, i want the user to alter this, now quite clearly i can write a
>> single function to control setting any speed with something like:
>> def setSpeed(self, speed):
>> some code in here to set speed
>> but if i have mutiple option for speed do i have to connect them all
>> to seperate callables for each individual speed which each in turn
>> call setSpeed with their respective speeds or can i create a slot that
>> can simply pass an integer to setSpeed in much the same way as the
>> built-in SIGNAL from something like a combo box can pass its current
>> i realise this could be impossibly, knowing that would be equally
>> useful and i will just work around it, albeit with more verbose code!!
> PyQt allows new signals to be defined dynamically. The act of emitting a
> PyQt signal implicitly defines it. PyQt v4 signals are also referenced
> using the QtCore.SIGNAL() function.
And not to forget:
A slot is a function (in PyQt a slot is any Python callable).
It's as easy as it can get.
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