OS X 10.8.5, Xcode 5.0.2, Document app
In my app I have this:
@interface Guess : NSTextField // populated programmatically
…
-(void)check; // method to programatically use the Service "Look Up In
Dictionary"
@end
@implementation Guess
...
-(void)check { // Lookup word in dictionary
[self selectText:nil];
NSString *theString = [self stringValue]; // debug shows ( _NSCFString*)
@"THERE"
NSArray *toLookup = [NSArray arrayWithObjects:theString,nil]; // debug
shows (_NSArray *) @"1 object"
NSPasteboard *pasteboard = [NSPasteboard generalPasteboard]; // debug shows
(NSPasteboard *) 0x10011a7b0
NSInteger changeCount = [pasteboard clearContents]; // debug shows
(NSInteger) 9
BOOL OK = [pasteboard writeObjects:toLookup]; // debug shows (BOOL) YES
// ********** This is my problem
BOOL res = NSPerformService(@"Look Up In Dictionary", pasteboard); // debug
shows (BOOL) NO
}
...
@end
If I manually select the text in the field by double clicking it, the Services
menu is populated and does contain
"Look Up In Dictionary".
The Services Implementation Guide in the section on Using Services has a
section on Validating Services Menu Items.
There is some sample code but I do not understand how to apply this for my very
simple case.
I looked in the TextEdit code but did not find anything helpful.
Please explain what I should do to programatically accomplish this simple "Look
Up In Dictionary" task.
Thanks for your help.
respect…
Peter
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