On Jun 14, 2012, at 11:04 PM, Graham Cox wrote:
> Is there a way to override the -paste: method of NSTextField, other than
> subclassing?
>
> I have a situation where I want to handle paste for several related text
> entry fields at once. I have implemented -paste: in the controller for these,
> but of course it goes to first responder which is the text field itself (or
> its editor) which isn't what I want. Subclassing the field is an option, but
> because of the Field Editor, I'm not sure it's what is really needed.
-paste: is handled by NSTextView (by virtue of being an NSText subclass), not
by the NSTextField for which it is acting as a field editor.
Your best bet is probably to retarget the Paste menu item to use a different
selector that is picked up by your window controller. Then also implement this
selector on your NSApplication delegate (or subclass) to re-send -paste: as a
backstop in case an instance of your window controller isn't in the responder
chain.
// Warning: composed in Mail.app
@implementation MyWindowController
- (IBAction)myPaste:(id)sender {
[self.textView1 setString:…];
[self.textView2 setString:…];
}
@end
@implemenation MyAppDelegate
- (IBAction)myPaste:(id)sender {
[NSApp sendAction:@selector(paste:) to:nil from:sender];
}
@end
--Kyle Sluder
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