On Sunday 31 October 2010 04:43:50 Josh Stratton wrote:
> Hey, I can just change it to QWidget, and I get a connection function
> now. This is wonderful! One other question, though. Is there a way
> to create custom slots in just ruby? Right now if I inherit from a
> java class like InputStream
>
> include_class "java.io.InputStream"
> class MyStream < InputStream
> def available()
> puts("great")
> return 3
> end
> end
> $stream = MyStream.new
> $object_action.signal_changed.connect($stream, "available()")
>
> and the available function is called when that button throws the
> signal "changed". However, I can't seem to do this with a jruby class
> like
>
> class FooClass
> def someMethod
> end
> end
> $foo = FooClass.new
> $object_action.signal_changed.connect($foo, "someMethod")
>
> I guess I could just write abstract classes (maybe even interfaces) in
> java, which isn't a huge deal, but I was wondering if there were a
> more direct way.
>
> On Sat, Oct 30, 2010 at 5:08 AM, Josh Stratton <[email protected]>
> wrote:
> >> You can expose them like this:
> >>
> >> class com.trolltech.qt.gui::QWidget
> >> def method_missing(sym)
> >> if sym.id2name.start_with?("signal_")
> >> name = sym.id2name[7, sym.id2name.length]
> >> f = self.getClass.fields.select {|f| f.name == name }.first
> >> f.get(self)
> >> else
> >> nil
> >> end
> >> end
> >> end
> >
> > Does this work similarly for QAction?
> >
>
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>
I wonder if that example of your should have () in the call in order it to
work. After all, it works in Java / Cpp stage, not really ruby...
Declaration of slots should be exactly same than it is in Java stage, I suppose?
--
Terveisin,
Samu Voutilainen
http://smar.fi
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