How to create a simple service in Leopard?
How to create a simple service in Leopard?
- Subject: How to create a simple service in Leopard?
- From: Dalmazio Brisinda <email@hidden>
- Date: Sun, 4 Jan 2009 02:41:25 -0600
Hello,
I'm having some problems writing and then installing my own service
and would be grateful if anyone could help. I've followed the OS X
documentation but still can't seem to get my custom "hello world"
service to work.
I'm creating a new project in Xcode using the Foundation Tool as I
don't need an interface. My main.m looks like this:
#import <Foundation/Foundation.h>
#import "MyService.h"
int main (int argc, const char * argv[]) {
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
MyService * myService = [[MyService alloc] init];
NSRegisterServicesProvider(myService, @"MyService");
[[NSRunLoop currentRunLoop] run];
[myService release];
[pool drain];
return 0;
}
Then I create the MyService class and just add the method given in the
OS X documentation almost verbatim (http://developer.apple.com/documentation/Cocoa/Conceptual/SysServices/Tasks/providing.html#/
/apple_ref/doc/uid/20000853). I don't need to return anything back so
I just take a string from the pasteboard. All I'm doing here is
printing the pasteboard string to the console using this method
signature:
- (void)doMyService:(NSPasteboard *)pboard userData:(NSString
*)userData error:(NSString **)error;
Now, when I advertise the service, I need to add the NSServices entry
(as given in the link above) to the Info.plist file. However, there
isn't one for a plain foundation tool template -- nor is there a
package wrapper. So, I just add another target (loadable bundle) and
add all the target information to the loadable bundle, and enter the
NSServices entry into the auto-generated ...-Info.plist file. I make
this bundle the active target, change the wrapper to a .service
extension in the configuration options, and build it successfully.
Then I place this service bundle into ~/Library/Services, log out, and
log back in. And voila, my menu item doesn't even appear in the
Services menu.
Any ideas how to get such a simple non-gui service to work?
BTW, I tried to two examples in /Developer/Examples/Appit/
SimpleService & SimpleImageFilter, and I can't get these to work either.
I'm running Leopard 10.5.6 on Intel.
Best,
Dalmazio
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