objective c - How to disable items from NSMenu for certain views? -



objective c - How to disable items from NSMenu for certain views? -

i've app 3 views presented in same window.

when user enters view 1 want items of main menu enabled, when enters view 2 other items , when come in view 3 want items disabled.

how can this?

read docs informal protocol nsmenuvalidation: says: this informal protocol allows application update enabled or disabled status of nsmenuitem object. declares 1 method, validatemenuitem: in target object of menuitem have implement:

- (bool)validatemenuitem:(nsmenuitem *)menuitem { // item? nslog( @"validate %@", [menuitem title] ); // useful testing // homecoming this: if( [ [menuitem title] isequaltostring:@"show something"] ){ homecoming ! [view3 userishere]; } homecoming yes; }

in documentation method find example.

objective-c xcode osx

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