On Wed, 12 Nov 2008 14:46:20 -0200, "Tobias Ramos" <tobalas at gmail.com>
wrote:
> Hi all..i have some doubts about something is happening in my code. here
is
> it:
>
> w = window()
> f = QtCore.QFile(":/default.txt")
> f.open(QtCore.QIODevice.ReadOnly)
> model = TreeModel(QtCore.QString(f.readAll()))
> f.close()
> w.ui.lineEdit.setFocus()
> w.ui.treeView.setModel(model)
> w.show()
>
> this works only in init code of application ex:
>
> if __name__ == "__main__":
> app = QtGui.QApplication(sys.argv)
> w = window()
> f = QtCore.QFile(":/default.txt")
> f.open(QtCore.QIODevice.ReadOnly)
> model = TreeModel(QtCore.QString(f.readAll()))
> f.close()
> w.ui.lineEdit.setFocus()
> w.ui.treeView.setModel(model)
> w.show()
> sys.exit(app.exec_())
>
> my question is.. why this not work:
>
> class window(QtGui.QWidget,Ui_Form):
>
> def __init__(self,parent=None):
> QtGui.QWidget.__init__(self,parent)
> self.ui = Ui_Form()
> self.ui.setupUi(self)
> self.connect(self.ui.pushButton, QtCore.SIGNAL("clicked()"),
> self.populaCombo)
> f = QtCore.QFile(":/default.txt")
> f.open(QtCore.QIODevice.ReadOnly)
> model = TreeModel(QtCore.QString(f.readAll()))
> f.close()
> self.ui.lineEdit.setFocus()
> self.ui.treeView.setModel(model)
>
> when i put on __init__ of inherited class even the file is read..
> thanks in advance.
Keep a reference to your model to prevent it from being garbage collected.
Phil