On May 14, 2009, at 10:45 AM, Christopher Hansen wrote:
I'm writing a game and I need to set the key and key repeat
thresholds in my Cocoa application. The functions needed to do to
this under Carbon (Events.h) are:
LMGetKeyThresh
LMSetKeyThresh
LMGetKeyRepThresh
LMSetKeyRepThresh
I'm looking for the Cocoa equivalents.
Unlike the other responses, I'm going to take a different tack:
Since you're writing a game, you probably don't want to worry about
key repeat thresholds, either getting or setting. Instead, you should
care about key/button down and key/button up events, and map those to
state in your game engine.
The reason is that your game probably has its own internal concept of
"repeating" that may not map at all to the typing concept of
"repeating." An example would be a first-person shooter that supplies
an automatic weapon: Different weapons will have different rates of
fire. You may even have an energy weapon that fires as long as the
user is (conceptually) pulling the trigger.
This is a game-engine level concept, not something you should try to
map to input handling necessarily. Just use your input handling to
supply your game engine with the necessary information. For the most
flexibility in doing this take a look at the HID Manager APIs,
especially the new HID APIs introduced in Mac OS X 10.5 Leopard.
-- Chris
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