🚀 go-pugleaf

In article <1992Sep30.220957.31057@m.cs.uiuc.edu>, zhou@m.cs.uiuc.edu (Tom Zhou) writes:
|> My GL window doesn't seem to take device input!
|> I'm using a variation of GLContext. I used an InputHandler to wrap the
|> GLContext instance (or to be wrapped by the GLContext -- I tried both
|> ways). But this InputHandler doesn't receive anything but key stroke
|> events. (I figure key strokes reach the GL input handler through some 
|> weird focusing mechanism that I don't understand yet). A trace reveals 
|> that GLWindow::receive(Event&) never gets called.

This is a bug in GLContext.  It inherits the default window behavior,
which is not to propagage events outward.

Here's the fix:

*** /tmp/,RCSt1a10489   Thu Oct  1 13:31:06 1992
--- glcontext.c Tue Sep 15 17:20:45 1992
***************
*** 192,197 ****
--- 192,199 ----
        t->remove(xw);
      }
      Window::set_attributes();
+     w->xattrmask_ &= ~CWDontPropagate;
+     w->xattrs_.do_not_propagate_mask = 0;
      w->xattrmask_ |= CWColormap;
      w->xattrs_.colormap = colormap_;
      w->xattrs_.event_mask = ExposureMask | StructureNotifyMask;