[PyQt] Regression in SIP sip-4.8-snapshot-20090409 wrt MappedTypes

[Phil Thompson]

On Mon, 20 Apr 2009 08:22:54 +0200, Simon Edwards <simon at simonzone.com>
wrote:
> Phil Thompson wrote:
>> On Sun, 19 Apr 2009 21:39:29 +0200, Simon Edwards <simon at simonzone.com>
>> wrote:
>>> Phil Thompson wrote:
>>>> sipForceConvertTo_*() (and related functions) are internal and should
>> not
>>>> be used by handwritten code. If it isn't documented then you can't use
>>>> it.
>>> Thanks that helps a lot.
>>>
>>> Another question. 4.8 gives errors on PyKDE related it trying to use a 
>>> copy constructor or operator=() on some classes which don't have one or

>>> have one which is private. It looks like SIP wants to use the copy 
>>> constructor to copy a returned value from a method and then fails. Has 
>>> anything changed? Have you got any tips about what I should be trying.
>> 
>> If a copy ctor is private then SIP should be told about it - see
>> qobject.sip.
> 
> The copy ctor is included and private like many others. This might be a 
> namespace related issue. Here is what I've got. It worked in SIP < 4.8.
> 
> class KEditListBox : QGroupBox
> {
> public:
>      class CustomEditor
>      {
>      public:
>          CustomEditor ();
>          CustomEditor (QWidget* repWidget, KLineEdit* edit);
>          CustomEditor (KComboBox* combo);
> 
>      private:
>          CustomEditor (const KEditListBox::CustomEditor&);
>      };
> // ...
> };
> 
> 
> class KUrlRequester : KHBox
> {
> // ...
> public:
>      explicit KUrlRequester (QWidget* parent /TransferThis/ = 0);
>      explicit KUrlRequester (const KUrl& url, QWidget* parent 
> /TransferThis/ = 0);
>      KUrlRequester (QWidget* editWidget, QWidget* parent /TransferThis/);
> 
>      const KEditListBox::CustomEditor&  customEditor ();
> //  ^ This here fails.
> }
> 
> 
> /home/sbe/devel/kdesvninstall/include/keditlistbox.h: In function 
> ‘PyObject* meth_KUrlRequester_customEditor(PyObject*, PyObject*)’:
> /home/sbe/devel/kdesvninstall/include/keditlistbox.h:77: error: 
> ‘KEditListBox::CustomEditor::CustomEditor(const 
> KEditListBox::CustomEditor&)’ is private
> sipkiopart5.cpp:22797: error: within this context

Try tonight's SIP snapshot. It's a problem with the new implicit copying of
const reference results.

Phil