Pierce Freeman wrote:
I am attempting to create a little application that will take an
application
name from the user, and then close it for them. I am attempting do
this by
getting the string in Cocoa, then passing this to AppleScript... But
I don't
know if Cocoa can pass variables to AppleScript.
There are ways of passing values to AppleScript, and there are ways of
sending Apple events directly from ObjC.
Those are probably overkill for sending a basic 'quit' event though,
which is a simple cut-n-paste solution. Here's what I use:
#include <Carbon/Carbon.h>
OSStatus QuitApplicationProcessWithPID(pid_t pid) {
AppleEvent evt, res;
AEDesc errDesc;
OSStatus err;
// build and send a 'quit' event
err = AEBuildAppleEvent(kCoreEventClass, kAEQuitApplication,
typeKernelProcessID,
&pid, sizeof(pid),
kAutoGenerateReturnID,
kAnyTransactionID,
&evt, NULL, "");
if (err) return err;
err = AESendMessage(&evt, &res, kAEWaitReply, kAEDefaultTimeout);
AEDisposeDesc(&evt);
// note: process may quit without replying
if (err == connectionInvalid) return noErr;
if (err) return err;
// check if reply event contains an error number, e.g.
userCanceledErr
err = AEGetParamDesc(&res, keyErrorNumber, typeSInt32, &errDesc);
if (err == noErr) {
AEGetDescData(&errDesc, &err, sizeof(err));
AEDisposeDesc(&res);
} else if (err == errAEDescNotFound)
err = noErr;
return err;
}
Use -[NSWorkspace launchedApplications] to look up the application's
process id based on its name.
HTH
has
--
Control AppleScriptable applications from Python, Ruby and ObjC:
http://appscript.sourceforge.net
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