NSButton "reveals" keyboard shortuct
NSButton "reveals" keyboard shortuct
- Subject: NSButton "reveals" keyboard shortuct
- From: Pierre Bernard <email@hidden>
- Date: Tue, 22 Apr 2008 17:48:37 +0200
Hi!
I love how the buttons in some "save before closing" sheets reveal
themselves by being added to the button name when the command key is
held for a while.
The one example I can think of is AppleWorks 6. Wish all apps /
buttons had that.
Is this a Carbon thing?
How would I go about to implement this?
Seeing that the button in question is not in the responder chain, I
guess the implementation ought to be moved to the window or window
controller. This doesn't strike me as the best place. I'd rather have
a reusable NSButton subclass.
Such buttons also may have multiple shortcuts. E.g. the default save
button is triggered by both Enter and cmd-S. This does not seem to be
possible with NSButton. Again I wonder if I should override keyDown:
in my window controller.
BTW, how are keyboard shortcuts on NSButtons implemented? Do they
somehow register with the window for events or does the window walk
the subcomponents to find one which may respond?
Best,
Pierre
---
Pierre Bernard
http://www.bernard-web.com/pierre
http://www.houdah.com
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