> > On 31.12.2009, at 02:09, leowang wrote: > > >> Dear All, > >> I found that when I call redraw in a thread, it will not really = > redraw, the UI does not refresh untill we have handle on the window. = > why? Does it mean I only can call redraw in main thread? > >>=20 > >> Thanks. > >=20 > > my fltk version is v2.0 > > After calling redraw(), call fltk::awake(0). This will make the main = > thread aware of your request. > > It would be best to use locking as well. Just before fltk::run() call = > fltk::lock(). Then, in your thread, before you change any widgets, call > > fltk::lock(); > myWidget->stuff... > myWidget->redraw(); > fltk::unlock() > fltk::awake(0); > > Remember that you can not create or destroy windows from within a = > thread! > > Matthias= >
Dear imacarthur & Matthias, Many thanks for your great help, I will use your method to try again. Best regards, Leo _______________________________________________ fltk mailing list [email protected] http://lists.easysw.com/mailman/listinfo/fltk
