Re: Correctly implementing page up/down, home and end for custom views?
Re: Correctly implementing page up/down, home and end for custom views?
- Subject: Re: Correctly implementing page up/down, home and end for custom views?
- From: Andrew Merenbach <email@hidden>
- Date: Mon, 30 Jul 2007 20:55:58 -0700
Oops, mistyped. You will need -keyDown: to call-interpretKeyEvents.
This is the design pattern that was recommended to me.
- (void)keyDown:(NSEvent *)event {
consumedKeyDown = NO;
[self interpretKeyEvents:[NSArray arrayWithObject:event]];
if (!consumedKeyDown) [super keyDown:event];
}
- (void)doCommandBySelector:(SEL)selector {
consumedKeyDown = [self tryToPerform:selector with:nil];
}
-- where consumedKeyDown is an ivar.
Cheers, and sorry for the miscommunication,
Andrew
On Jul 30, 2007, at 8:52 PM, Andrew Merenbach wrote:
Hi, Jim,
NSResponder has -scrollPageUp: and -scrollPageDown: as two of its
overridable methods. I don't believe that you will need -keyDown:.
Cheers,
Andrew
On Jul 30, 2007, at 8:39 PM, Jim Correia wrote:
I have a custom view which can be (and often is) embedded in an
NSScrollView.
It appears that I get page up/down behavior for free. (By way of -
[NSWindow _processKeyboardUIKey:].) But I don't get home/end
behavior for free. (Is this a bug or oversight?)
What is the correct way to implement home/end?
I currently have overridden -keyDown: to call -interpretKeyEvents:
and have (re)implemented the NSReponder methods for page up/down
and home/end. This works, but is it the expected/correct design
pattern?
Jim
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