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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