Re: canvasmm

[Antonio Coralles <noche suapie reflex at>]

Yann Normand wrote:

> Antonio Coralles a écrit :
>
>
> Yann Normand wrote:
>
>   
>
>
>
>
> Antonio Coralles a écrit :
>
>
>
>
> 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
>
> _______________________________________________
> gtkmm-list mailing list
> gtkmm-list gnome org <mailto:gtkmm-list gnome org>  
> http://mail.gnome.org/mailman/listinfo/gtkmm-list
>
>   
>
>
> 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
>
> _______________________________________________
> gtkmm-list mailing list
> gtkmm-list gnome org <mailto:gtkmm-list gnome org> 
> http://mail.gnome.org/mailman/listinfo/gtkmm-list
>
>   
>
>
> What is the command you run to compile your sources ?
> I suggest you upgrade all your gtk libraries to their last stable
> version and try again.
> By the way, I'm using  g++  3.3.5
>
>
> -- 
> Yann Normand
> Sogeti-Transiciel
>
>
>     
>
>
>
> I use g++ (GCC) 3.3.5-20050130, gtk+-2.6.7, gtkmm-2.4.11 and
> libgnomecanvas-2.10.0. To compile this simple app i used
> g++ canvas1.cc `pkg-config gtkmm-2.4 libgnomecanvasmm-2.6 --cflags
> --libs` -o canvas -g
> Antonio
>
>
> _______________________________________________
> gtkmm-list mailing list
> gtkmm-list gnome org <mailto:gtkmm-list gnome org>
> http://mail.gnome.org/mailman/listinfo/gtkmm-list
>
>   
>
>
> I have Gtkmm version 2.6.1 . Try to upgrade this one.
>
>
> -- 
> Yann Normand
> Sogeti-Transiciel
>
>
>
> ------------------------------------------------------------------------
>
> Antonio Coralles a écrit :
>
>>Yann Normand wrote:
>>
>>  
>>
>>>Antonio Coralles a écrit :
>>>
>>>
>>>
>>>
>>>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
>>>
>>>_______________________________________________
>>>gtkmm-list mailing list
>>>gtkmm-list gnome org <mailto:gtkmm-list gnome org> 
>>>http://mail.gnome.org/mailman/listinfo/gtkmm-list
>>>
>>>  
>>>
>>>
>>>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
>>>
>>>_______________________________________________
>>>gtkmm-list mailing list
>>>gtkmm-list gnome org <mailto:gtkmm-list gnome org>
>>>http://mail.gnome.org/mailman/listinfo/gtkmm-list
>>>
>>>  
>>>
>>>
>>>What is the command you run to compile your sources ?
>>>I suggest you upgrade all your gtk libraries to their last stable
>>>version and try again.
>>>By the way, I'm using  g++  3.3.5
>>>
>>>
>>>-- 
>>>Yann Normand
>>>Sogeti-Transiciel
>>>
>>>
>>>    
>>>
>>I use g++ (GCC) 3.3.5-20050130, gtk+-2.6.7, gtkmm-2.4.11 and
>>libgnomecanvas-2.10.0. To compile this simple app i used
>>g++ canvas1.cc `pkg-config gtkmm-2.4 libgnomecanvasmm-2.6 --cflags
>>--libs` -o canvas -g
>>Antonio
>>
>>
>>_______________________________________________
>>gtkmm-list mailing list
>>gtkmm-list gnome org
>>http://mail.gnome.org/mailman/listinfo/gtkmm-list
>>
>>  
>>
> I have Gtkmm version 2.6.1 . Try to upgrade this one.

Thanks for your help - now after upgrading gtkmm it works ...
Antonio