modifier-flags with no key pressed and mouseDown 256, why?
modifier-flags with no key pressed and mouseDown 256, why?
- Subject: modifier-flags with no key pressed and mouseDown 256, why?
- From: Alexander Reichstadt <email@hidden>
- Date: Fri, 16 Jan 2009 22:08:49 +0100
Hi,
I have a phenomenon I am exploiting but unless I know for sure why it
works must stop to use. The objective is to make sure that while the
mousebuttons is being pressed no other modifier key is pressed, if
anything is pressed the whole method return. Testing for 256 seems to
work, why?
NSUInteger modifierFlags = [currentEvent modifierFlags];
if (modifierFlags!=256) return;
Is there some documentation that supports this test, or do I have to
check for all the different keys not to be pressed instead?
Thanks
Alex
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