Well, assume that drawing the widget requires a large amount of work per pixel. If I knew the region that I need to repaint then I could save myself a lot of time. If the context is clipped this would not help much if I don't know the relevant region, would it? On 16.07.2014 18:36, Jasper St. Pierre wrote: > The cairo context you get is already clipped to the exposed region. You > don't need to do any extra work. > > > On Wed, Jul 16, 2014 at 12:33 PM, ax487 <ax487@xxxxxx> wrote: > >> Hello all, >> >> I am currently porting an application from gtk2 to gtk3. I just noticed >> that the "expose_event" is no longer supported, instead there is a >> "draw" signal. I was just wondering, the "expose_event" always came with >> a GdkEventExpose* attached which did in particular contain the rectangle >> which was invalidated. Is it possible to obtain the invalidated >> rectangle inside the "draw" handler or is it necessary to repaint the >> entire widget? (I could not find a suitable function in the gtk3/gdk3 >> documentation so far) >> >> ax487 >> _______________________________________________ >> gtk-list mailing list >> gtk-list@xxxxxxxxx >> https://mail.gnome.org/mailman/listinfo/gtk-list >> > > > _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx https://mail.gnome.org/mailman/listinfo/gtk-list
