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dinput: OS/X joystick: Sort buttons based on usage as some controllers report the buttons out of order. 

Makes the xbox 360 controller button mapping more logical.
This commit is contained in:
Aric Stewart 2009-03-12 08:03:04 -05:00 committed by Alexandre Julliard
parent 4da865f324
commit 79859cb3ac
1 changed files with 33 additions and 0 deletions
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33
dlls/dinput/joystick_osx.c
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@ -284,6 +284,27 @@ static int get_osx_device_name(int id, char *name, int length)
return 0;
}
static void insert_sort_button(int header, IOHIDElementRef tIOHIDElementRef,
CFMutableArrayRef elementCFArrayRef, int index,
int target)
{
IOHIDElementRef targetElement;
int usage;
CFArraySetValueAtIndex(elementCFArrayRef, header+index, NULL);
targetElement = ( IOHIDElementRef ) CFArrayGetValueAtIndex( elementCFArrayRef, header+target);
if (targetElement == NULL)
{
CFArraySetValueAtIndex(elementCFArrayRef, header+target,tIOHIDElementRef);
return;
}
usage = IOHIDElementGetUsage( targetElement );
usage --; /* usage 1 based index */
insert_sort_button(header, targetElement, elementCFArrayRef, target, usage);
CFArraySetValueAtIndex(elementCFArrayRef, header+target,tIOHIDElementRef);
}
static void get_osx_device_elements(JoystickImpl *device, int axis_map[8])
{
IOHIDDeviceRef tIOHIDDeviceRef;
@ -382,6 +403,18 @@ static void get_osx_device_elements(JoystickImpl *device, int axis_map[8])
device->generic.devcaps.dwAxes = axes;
device->generic.devcaps.dwButtons = buttons;
device->generic.devcaps.dwPOVs = povs;
/* Sort buttons into correct order */
for (buttons = 0; buttons < device->generic.devcaps.dwButtons; buttons++)
{
IOHIDElementRef tIOHIDElementRef = ( IOHIDElementRef ) CFArrayGetValueAtIndex( device->elementCFArrayRef, axes+povs+buttons);
uint32_t usage = IOHIDElementGetUsage( tIOHIDElementRef );
usage --; /* usage is 1 indexed we need 0 indexed */
if (usage == buttons)
continue;
insert_sort_button(axes+povs, tIOHIDElementRef, device->elementCFArrayRef,buttons,usage);
}
}
static void get_osx_device_elements_props(JoystickImpl *device)