Re: _WRAP_METHOD error

["Paul Davis" <pjdavis engineering uiowa edu>]

Johannes,

I've been cribbing libgdamm and gtkmm, every other method I've written so far returns a Glib::RefPtr. Not using Glib::RefPtr causes other problems.  I'm pretty sure this is a type. I'll keep looking.  Things are starting to get blurry after working on this for 24 hours straight.

Thanks,
Paul

On 9/27/06, Johannes Schmid <johannes schmid gmx de> wrote:

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Hi!

What about:

WRAP_METHOD(View* get_canvas_view(),goo_canvas_item_view_get_canvas_view) ?

That should at least give you working code because wrap does just return
a Pointer. I you want something else, like a RefPtr you might have to
code it by hand.

Regards,
Johannes

Paul Davis wrote:
> Hey,
>
> Can anyone else make heads or tails of this?
>
> Wrapping this function:
>
> GooCanvasView
>  <http://gooey.ecn.uiowa.edu/goocanvas/GooCanvasView.html>* goo_canvas_item_view_get_canvas_view (GooCanvasItemView < http://gooey.ecn.uiowa.edu/goocanvas/GooCanvasItemView.html> *view);
>
> Using this macro:
>
> _WRAP_METHOD( Glib::RefPtr<View>
> get_canvas_view(),goo_canvas_item_view_get_canvas_view)
>
> Produces this code:
>
> Glib::RefPtr<View> ItemView::get_canvas_view()
> {
>   return Glib::wrap(goo_canvas_item_view_get_canvas_view(gobj()));
> }
>
> and cause this error at compile time:
>
> itemview.cc : In member function 'Glib::RefPtr<GooCanvas::View>
> GooCanvas::ItemView::get_canvas_view()':
> itemview.cc:127: error: conversion from 'GooCanvas::View*' to non-scalar
> type 'Glib::RefPtr<GooCanvas::View>' requested
>
> This method seems like it should make everything ok:
>
> namespace Glib
> {
>
> GooCanvas::View* wrap(GooCanvasView* object, bool take_copy)
> {
>   return dynamic_cast<GooCanvas::View *> (Glib::wrap_auto
> ((GObject*)(object), take_copy));
> }
>
> } /* namespace Glib */
>
> Any thoughts would be helpful
> Paul
>
>
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>
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