[PyQt] New Style emit without subclassing

[Demetrius Cassidy]

from PyQt4.QtCore import SIGNAL

class MyScene(QtGui.QGraphicsScene):
   def __init__(self,parent=None):
          QtGui.QGraphicsScene.__init__(self,parent)
           self.emit(SIGNAL(("itemClicked(QGraphicsSceneMouseEvent*)")))

    
----- Original Message ----- 
From: "Matt Smith" <melkor at orangepalantir.org>
To: <pyqt at riverbankcomputing.com>
Sent: Tuesday, April 07, 2009 3:17 PM
Subject: [PyQt] New Style emit without subclassing


> I'm not clear on how to make an object emit a signal without
> subclassing, with the new style emits.
> 
> ie, old style:
> 
>    myscene.emit(
>        QtCore.SIGNAL("itemClicked(QGraphicsSceneMouseEvent*)"
>        ,ev
>        )
> 
> Where as if I subclass:
> 
>    class MyScene(QtGui.QGraphicsScene):
>        touchedItem = QtCore.pyqtSignal( QtGui.QGraphicsSceneMouseEvent)
>        def __init__(self,parent=None):
>            QtGui.QGraphicsScene.__init__(self,parent)
> 
> then I could use
> 
> myscene.touchedItem.emit(ev)
> 
> 
> 
> 
> 
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