Mercurial > sdl-ios-xcode
diff src/joystick/darwin/SDL_sysjoystick.c @ 4120:d07c60f5e460 SDL-1.2
Fixed bug #478
Take the min and max values into account.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 29 Dec 2007 19:44:02 +0000 |
| parents | e3945f84427f |
| children | a1b03ba2fcd0 |
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--- a/src/joystick/darwin/SDL_sysjoystick.c Sat Dec 29 19:01:13 2007 +0000 +++ b/src/joystick/darwin/SDL_sysjoystick.c Sat Dec 29 19:44:02 2007 +0000 @@ -727,7 +727,7 @@ { recDevice *device = joystick->hwdata; recElement *element; - SInt32 value; + SInt32 value, range; int i; if (device->removed) /* device was unplugged; ignore it. */ @@ -780,10 +780,11 @@ { Uint8 pos = 0; - value = HIDGetElementValue(device, element); - if (element->max == 3) /* 4 position hatswitch - scale up value */ + range = (element->max - element->min + 1); + value = HIDGetElementValue(device, element) - element->min; + if (range == 4) /* 4 position hatswitch - scale up value */ value *= 2; - else if (element->max != 7) /* Neither a 4 nor 8 positions - fall back to default position (centered) */ + else if (range != 8) /* Neither a 4 nor 8 positions - fall back to default position (centered) */ value = -1; switch(value) {