Re: Maemomm

[Murray Cumming <murrayc murrayc com>]

On Mon, 2007-06-25 at 10:19 +0600, Md. Golam Sarower wrote:
> Dear paul,
> 
> I am very glad to get your mail. Now I am able to work in c++. but some 
> problem is creating there. Suppose I want to use the GDK/gc, pixmap etc. 
> but it shows some errors, like:
>  Gdk::Pixmap *pixmap;
>   Gdk::GC *gc;
> 
> Declare in constructor.  It does not show error. but when i am going to 
> use the functions in the .cc files it shows error like:
> Line 37 here:
> gc = get_style()->get_fg_gc(get_state());
>     win.draw_pixmap(gc ,
>             pixmap,
>             event->area.x, event->area.y,
>             event->area.x, event->area.y,
>             event->area.width, event->area.height);

You probably mean win->draw_pixmap. The RefPtr smartpointer needs
similar syntax to a pointer. That would explain your second error,
though not your first.

> ScribbleDrawingArea.cc:37: error: cannot convert `Glib::RefPtr<Gdk::GC>' 
> to `Gdk::GC*' in assignment
> 
> ScribbleDrawingArea.cc:38: error: 'class Glib::RefPtr<Gdk::Window>' has 
> no member named 'draw_pixmap'
> ScribbleDrawingArea.cc:40: error: invalid use of member (did you forget 
> the `&' ?)
> ScribbleDrawingArea.cc:40: error: base operand of `->' is not a pointer
> ScribbleDrawingArea.cc:40: error: invalid use of member (did you forget 
> the `&' ?)
> ScribbleDrawingArea.cc:40: error: base operand of `->' is not a pointer
> ScribbleDrawingArea.cc:41: error: invalid use of member (did you forget 
> the `&' ?)
> ScribbleDrawingArea.cc:41: error: base operand of `->' is not a pointer
> ScribbleDrawingArea.cc:41: error: invalid use of member (did you forget 
> the `&' ?)
> ScribbleDrawingArea.cc:41: error: base operand of `->' is not a pointer
> ScribbleDrawingArea.cc:42: error: invalid use of member (did you forget 
> the `&' ?)
> ScribbleDrawingArea.cc:42: error: base operand of `->' is not a pointer
> ScribbleDrawingArea.cc:42: error: invalid use of member (did you forget 
> the `&' ?)
> ScribbleDrawingArea.cc:42: error: base operand of `->' is not a pointer
> 
> 
> If you have any suggestion then please response ASAP.
> 
> Thanking you
> Sarower
> 
> Paul Davis wrote:
> > On 6/6/07, Md. Golam Sarower <golam sarower bjitgroup com> wrote:
> >> Hi,
> >>
> >> I have been working on maemo for 2 months. I am very new in this
> >> platform. I used to use the C language. Now i want to use C++ as the
> >> programming language. Is it now possible to do it in full flexibility
> >> than C?? If so then now what I have to do to set up the development
> >> environment? I want to keep the previous set up use for C. I would be
> >> very great full to you, if you assist me to this task.
> >>
> >> Thanking
> >> Sarower
> >> Bangladesh
> >>
> >> _______________________________________________
> >> gtkmm-list mailing list
> >> gtkmm-list gnome org
> >> http://mail.gnome.org/mailman/listinfo/gtkmm-list
> >>
> >
> > There appears to be a maemomm project. You'll probably get a good
> > start by reading the docs and examples about that.
> >
> > Paul
> >
> 
> _______________________________________________
> gtkmm-list mailing list
> gtkmm-list gnome org
> http://mail.gnome.org/mailman/listinfo/gtkmm-list
-- 
Murray Cumming
murrayc murrayc com
www.murrayc.com
www.openismus.com