On 2012-08-10, at 7:30 PM, Andy Lee <ag...@mac.com> wrote:
> If there's one specific control class that you want to detect focus for, you
> can subclass it and override becomeFirstResponder. If super returns true, do
> your thing.
>
> If you want to apply this to a bunch of varied controls, you might want to
> use a subclass of NSWindow and override makeFirstResponder: (again, checking
> what super returns).
>
> --Andy
>
So I do have a handful of cases which I will want to swap in editing views for
the display views. So I have a subclass of NSWindow with the following method:
- (BOOL) makeFirstResponder:(NSResponder *)responder {
if([super makeFirstResponder:responder]) {
if([responder isEqualTo:[self.windowController displayField]]) {
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__,
@"call activateEditorView");
[self.windowController activateEditorView:self];
}
return YES;
}
return NO;
}
The windowController has the following method:
- (IBAction) activateEditorView: (id)sender {
// self.displayField is the field which triggers this line of action
if([self.displayField resignFirstResponder]) {
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__,
@"replaceSubView:with:");
[[self.window contentView] replaceSubview:self.displayView
with:self.editorView];
[editorView setNeedsDisplay:YES];
}
}
Sadly, although the messages are logged the -replaceSubview:with: does not
accomplish any change. Have I done (or not done) something foolish in here? I
have tried moving firstResponder out of the displayField prior to the
replaceSubview: call but without apparent effect on the replaceSubview: outcome
(relocating the focus did happen).
~ Erik
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