On Apr 2, 2010, at 10:30 AM, Jens Alfke wrote:
> On Apr 2, 2010, at 1:45 AM, Gideon King wrote:
>
>> 1. I'm not sure what keyboard or mouse options could be used for this, since
>> all the character keys change the selection in Finder, and all the normal
>> modifier keys are used for special functions. So first question is how I can
>> differentiate this special mode open from a normal open?
>
> The Option key is the usual thing. iTunes and iPhoto recognize it at startup,
> for example.
>
>> 2. If the application is started up in this special way, how would I be able
>> to detect it, seeing as there is no current event to query?
>
> I would have said GetKeys(), but it seems to have been deprecated and removed
> in the eyeblink [read: decade] since I last used Carbon. There must be some
> modern equivalent for reading the current state of the keyboard?
This works in Snow Leopard and Leopard (I believe).
- (void)applicationDidFinishLaunching:(NSNotification *)notif {
CGEventRef event = CGEventCreate(NULL);
CGEventFlags modifiers = CGEventGetFlags(event);
CFRelease(event);
CGEventFlags flags = (kCGEventFlagMaskAlternate | kCGEventFlagMaskControl);
if ((modifiers & flags) == flags)
[self doSomethingSpecial];
}
Ashley
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