Raise/Map and Focus a window: BadMatch error

[Peter Harris]

Andrew Troschinetz wrote:
> After trying to use XPeekIfEvent() I had the same problem as before I  
> moved to XWindowEvent().
> 
> Bool map_notify_for_window(Display *display, XEvent *e, XPointer  
> user_data) {
> 	Window window = *reinterpret_cast<Window*> (user_data);

I'm not all that familiar with C++, but it looks like you're
dereferencing a user_data (which is a Window, not a pointer to a Window).

> 		XPeekIfEvent (display, &e, map_notify_for_window,
> 			reinterpret_cast<XPointer> (window));

Did you leave out a try/catch around this? I expect your
map_notify_for_window to cause a core dump.

Peter Harris
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