Re: canvasmm

[Antonio Coralles <noche suapie reflex at>]

> Thanks for your tipp ... maybe sombody knows why the follwoing code:
>
> #include <gtkmm/window.h>
> #include <gtkmm/main.h>
> #include <libgnomecanvasmm/canvas.h>
> #include <libgnomecanvasmm/text.h>
> #include <libgnomecanvasmm/init.h>
> using namespace Gtk;
>
> class CanvasWindow : public Window
> {
>     public:
>     CanvasWindow() : _text(*_canvas.root(), 0, 0, "Hey")
>     {
>         set_size_request(400, 400);
>         add(_canvas);
>         show_all_children();
>     }
>     virtual ~CanvasWindow() {}
>
>     private:
>     Gnome::Canvas::Canvas _canvas;
>     Gnome::Canvas::Text _text;
>    
> };
>
> int main(int argc, char **argv)
> {
>     Gnome::Canvas::init();
>     Main kit(argc, argv);
>     CanvasWindow win;
>     Main::run(win);
> }
>
> leads directly to a segfault (i'm using canvasmm-2.6.1). gdb says
>
> Program received signal SIGSEGV, Segmentation fault.
> 0xb7fb0fa2 in Gnome::Canvas::Item::item_construct () from
> /usr/lib/libgnomecanvasmm-2.6.so.1
> (gdb) back
> #0  0xb7fb0fa2 in Gnome::Canvas::Item::item_construct () from
> /usr/lib/libgnomecanvasmm-2.6.so.1
> #1  0xb7fbacd3 in Gnome::Canvas::Text::Text () from
> /usr/lib/libgnomecanvasmm-2.6.so.1
> #2  0x0804beaf in CanvasWindow::CanvasWindow ()
> #3  0x0804bd04 in main ()
>
> Thanks,
> Antonio
>
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> gtkmm-list gnome org <mailto:gtkmm-list gnome org>
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>
>   
>
>
> I tried your source and it runs fine. I use the version  2.10.0 of
> canvasmm
>
>
Hmm, that's strange - i've now installed canvasmm-2.10.0 and i get
exactly the same error ... As i'm using gentoo linux, this may be some
distribution specific bug.
Antonio