[AD] iPhone multitouch patch

["Trent Gamblin" <trent@xxxxxxxxxx>]

Currently with the iphone port, certain actions are not possible.. for example I have a game with
a single axis "joystick" (i.e. a slider) and a button on the other side.. Bad things happen like I
have to toggle both off or one never registers an "up" action so e.g. if I release the slider then
the button then the button keeps firing because there was no up event for it. Presently release
events only happen once no matter how many presses you make. The attached one-liner patch fixes
that, so you get a BUTTON_UP event for each BUTTON_DOWN.


Trent :-)

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