On Jan 20, 2010, at 8:30 PM, Evan Schoenberg wrote:
> I copied the keyDown method from Cocoa in a Nutshell, by the way. Needless to
> say, I don't really understand it. Basically, I would love it if somebody
> could help me to get this program to work, because as of yet I have not
> gotten anything to respond to keystrokes. I believe that I need to make
> Input the First Responder, but I'm not sure about that and I don't know how
> to anyway...
You also need to tell Cocoa that your view can accept keyboard focus:
- (BOOL)canBecomeKeyView {
return YES;
}
And in your nib you want to wire the window's "initialKeyView" outlet to your
view, so it'll be key by default.
Finally, The keyDown: method increases the length value, but it doesn't trigger
a redraw of the view so this won't have any visible effect. After increasing
length you need to call
[self setNeedsDisplay: YES];
which tells the window that your view should be redrawn ASAP.
—Jens
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