> Os Windows Vista Home Ru + sp1
> g++ (GCC) 3.4.5 (mingw-vista special r3)
> Qt 4.5 (self build)
> sip-4.7.9 (self build)
> PyQt-win-gpl-4.4.4.zip (self build)
>
> I was unable to allocate a minimum example. Here is pseudocode situations:
> [code]
>
> class BaseData(QObject):
> def save(self, obj):
> self.emit(QtCore.SIGNAL('datat_change'), obj)
>
> class Model(QAbstractItemModel):
> def __init__(self, data):
> # data Mast be derived from BaseData
> self.connect(
> data, QtCore.SIGNAL('data_change'), self.__data_changes)
>
> def __data_changes(self, arg):
> row = self.__getRowForArg(arg)
> ind = self.createIndex(row, 0, self.objects[row]) #!!! RuntimeError
>
> class Mixin(object):
> data = None #Mast be derived from BaseData
> result = None #Setup brfore accept()
> def __init__(self, ...):
> ...
> def initUi(self):
> ui = self.__ui = Ui_DlgFrame()
> ui.setupUi(self)
> model = self.__model = self.Model(self.dataCls.singleton())
> ui.tableView.setModel(model)
>
> class DlgFrame(QDialog, Mixin):
> def __init__(self, data, parent=None, ...):
> QDialog.__init__(self, parent)
> Mixin.__init__(self, ...)
> self.initUi()
>
> @classmethod
> def getRes(cls, parent ...):
> frm = cls(parent, ...)
> if frm.exec_() == QtGui.QDialog.Accepted:
> return frm._result
> return None
>
> class FinalDlg(DlgFrame, ...):
> # This class generated by function 'type'
> dataCls = FinalData #Derived from BaseData
>
> class Main(QMainWindow):
> def __init__(self):
> data = FinalData.singleton()
>
> @QtCore.pyqtSignature('')
> def on_btGetRes_clicked(self):
> self.res = FinalDlg.getRes(self, ...)
>
> @QtCore.pyqtSignature('')
> def on_btSaveRes_clicked(self):
> self.data.save(self.res)
> [/code]
> Scenario for reproduction:
> start Application
> press btGetRes
> press btSaveRes
>
> In PyQt-win-gpl-4.5-snapshot-20090419.zip error also.
> _______________________________________________
> PyQt mailing list PyQt@riverbankcomputing.com
> http://www.riverbankcomputing.com/mailman/listinfo/pyqt
>
When you inherit from a Qt base class, you must always call the
constructor of the base class in the derived class. For example:
class BaseData(QObject):
def __init__(self):
QObject.__init__(self)
...
class Model(QAbstractItemModel):
def __init__(self, data):
QAbstractItemModel.__init__(self)
...
Best regards,
Mads
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