On Aug 29, 2013, at 6:38 AM, Pax wrote:
> I've written some code to enable / disable the menu items of my NSDocument
> based application, as appropriate. It works for methods that I've written
> myself, but not (apparently) for ones that are provided for me.
>
> Here's the code (simplified slightly just to say return 'NO' - a quick test
> to see if what I'm doing works):
>
> - (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem
> {
> SEL theAction = [anItem action];
>
> if (theAction == @selector(toggleFormat:))
> {
> return NO;
> }
> if (theAction == @selector(toggleToolbarShown:))
> {
> return NO;
> }
> if (theAction == @selector(runToolbarCustomizationPalette:))
> {
> return NO;
> }
> if (theAction == @selector(previewData:))
> {
> return NO;
> }
>
> return [super validateUserInterfaceItem:anItem];
> }
>
> The question is - what am I doing wrong? Why don't toggleToolbarShown or
> runToolbarCustomizationPalette get validated? How would you suggest that I
> fix this?
These two methods are implemented by NSWindow, and chances are the window is
gobbling up the actions because it is earlier in the responder chain:
https://developer.apple.com/library/mac/documentation/cocoa/Conceptual/EventOverview/EventArchitecture/EventArchitecture.html#//apple_ref/doc/uid/10000060i-CH3-SW9
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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