On Sun, 17 Aug 2008 01:44:29 +0200, Simon Edwards <[EMAIL PROTECTED]>
wrote:
> Hello Phil,
>
> While working on integrating Python into KDE4's Plasma I hit a crasher
> when using @pyqtSignature where one of the arguments for the slot is a
> typedef which in turn in a mapped type:
>
> @pyqtSignature("dataUpdated(const QString &, const
> Plasma::DataEngine::Data &)")
>
> Plasma::DataEngine::Data is a typedef for QHash<QString,QVariant>.
>
> This would crash when the signal is sent to the slot. After a heap of
> debugging I've figured out goes wrong. When the signal comes in the
> Plasma::DataEngine::Data type was being converted to QHash. Later when
> sip looks for the mapped type in order to do the conversion, it can't
> find what it is looking for but sip continues and dereferences a null
> pointer.
>
> The cause is in the code generated for the plasma module. The
> typedefsTable looks something like this:
>
> static sipTypedefDef typedefsTable[] = {
> ...
> {"Plasma::DataEngine::Data", mtype_sat, "QHash", NULL},
> ...
> };
>
> The extra types for the QHash are stripped off. The table should look
> more like:
>
> static sipTypedefDef typedefsTable[] = {
> ...
> {"Plasma::DataEngine::Data", mtype_sat, "QHash<QString,QVariant>",
> NULL},
> ...
> };
If you change the table by hand, does it then work?
Phil
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