On 2/21/07, TheLonelyStar <[EMAIL PROTECTED]> wrote:
>
> Thanks for your answer!
>
> My function looks now like this:
>
> Gtk::DrawingArea* tmp=(Gtk::DrawingArea*)refXml->get_widget("DrawingArea");
> Glib::RefPtr<Gdk::Window> window(tmp->get_window());
>
> window->draw_arc(tmp->get_style()->get_fg_gc[tmp->get_state()],
> TRUE,
> 0, 0, 550,550,
> 0, 64 * 360);
>
> Unfortantly I still have problems:
>
> g++ $(pkg-config --libs --cflags gtkmm-2.4) $(pkg-config --libs --cflags
> libglademm-2.4) main.cc
> main.cc: In function 'bool do_draw(GdkEventExpose*)':
> main.cc:31: error: invalid types '<unresolved overloaded function
> type>[Gtk::StateType]' for array subscript
>
> Line 31 is the "window->draw_arc" line.
>
>
> Paul Davis wrote:
> >
> > On Tue, 2007-02-20 at 14:47 -0800, TheLonelyStar wrote:
> >> Hello dear community,
> >>
> >> I have trouble with Gtk::DrawingArea. Since the class seem to have no
> >> more
> >> than the gobj() member function, I tried the following (copying from
> >> examples I found in the net):
> >>
> >> bool on_exposure(GdkEventExpose* event)
> >> {
> >> Gtk::DrawingArea*
> >> tmp=(Gtk::DrawingArea*)refXml->get_widget("DrawingArea");
> >> GtkDrawingArea* da=tmp->gobj();
> >> gdk_draw_arc (da->window,
> >> da->style->fg_gc[GTK_WIDGET_STATE (da)],
> >> TRUE,
> >> 0, 0, da->allocation.width,
> >> da->allocation.height,
> >> 0, 64 * 360);
> >> return true;
> >> }
> >
> > better:
> >
> > Glib::RefPtr<Gdk::Window> window (tmp->get_window());
> > window->draw_arc (tmp->get_style()->fg_gc[tmp->get_state()],
> > true, ....
> >
> >
> > _______________________________________________
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> > [email protected]
> > http://mail.gnome.org/mailman/listinfo/gtkmm-list
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/Gtk%3A%3ADrawingArea-tf3263742.html#a9081447
> Sent from the Gtkmm mailing list archive at Nabble.com.
>
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>
I think the other Paul might have had a type. As far as I can tell
fg_gc returns a Gtk::Color object which has no operator[].
Try this:
window->draw_arc(tmp->get_style()->get_fg_gc( tmp->get_state() ),
TRUE,
0, 0, 550,550,
0, 64 * 360);
HTH,
Other Paul Davis
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