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dinput: Overhaul how the array of Mac device elements is built and sorted. 

Use three separate arrays instead of one array with three sections that are
separately tracked.  Use the Core Foundation sort function rather than
implementing a clumsy sort of our own.
This commit is contained in:
Ken Thomases 2014-04-13 18:34:16 -05:00 committed by Alexandre Julliard
parent bf938311a2
commit ab872f2f36
1 changed files with 39 additions and 49 deletions
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86
dlls/dinput/joystick_osx.c
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@ -108,7 +108,7 @@ struct JoystickImpl
/* osx private */
int id;
CFMutableArrayRef elements;
CFArrayRef elements;
ObjProps **propmap;
FFDeviceObjectReference ff;
struct list effects;
@ -434,35 +434,23 @@ static int get_osx_device_name(int id, char *name, int length)
return 0;
}
static void insert_sort_button(int header, IOHIDElementRef element,
CFMutableArrayRef elements, int index,
int target)
static CFComparisonResult button_usage_comparator(const void *val1, const void *val2, void *context)
{
IOHIDElementRef targetElement;
int usage;
IOHIDElementRef element1 = (IOHIDElementRef)val1, element2 = (IOHIDElementRef)val2;
int usage1 = IOHIDElementGetUsage(element1), usage2 = IOHIDElementGetUsage(element2);
CFArraySetValueAtIndex(elements, header+index, NULL);
targetElement = ( IOHIDElementRef ) CFArrayGetValueAtIndex( elements, header+target);
if (targetElement == NULL)
{
CFArraySetValueAtIndex(elements, header+target,element);
return;
}
usage = IOHIDElementGetUsage( targetElement );
usage --; /* usage 1 based index */
insert_sort_button(header, targetElement, elements, target, usage);
CFArraySetValueAtIndex(elements, header+target,element);
if (usage1 < usage2)
return kCFCompareLessThan;
if (usage1 > usage2)
return kCFCompareGreaterThan;
return kCFCompareEqualTo;
}
static void get_osx_device_elements(JoystickImpl *device, int axis_map[8])
{
IOHIDElementRef device_main_element;
CFMutableArrayRef elements;
DWORD axes = 0;
DWORD sliders = 0;
DWORD buttons = 0;
DWORD povs = 0;
device->elements = NULL;
@ -480,8 +468,9 @@ static void get_osx_device_elements(JoystickImpl *device, int axis_map[8])
if (elements)
{
CFIndex idx, cnt = CFArrayGetCount( elements );
/* build our element array in the order that dinput expects */
device->elements = CFArrayCreateMutable(NULL,0,NULL);
CFMutableArrayRef axes = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
CFMutableArrayRef buttons = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
CFMutableArrayRef povs = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
for ( idx = 0; idx < cnt; idx++ )
{
@ -498,17 +487,13 @@ static void get_osx_device_elements(JoystickImpl *device, int axis_map[8])
continue;
}
if (buttons < 128)
{
CFArrayInsertValueAtIndex(device->elements, (axes+povs+buttons), element);
buttons++;
}
if (CFArrayGetCount(buttons) < 128)
CFArrayAppendValue(buttons, element);
break;
}
case kIOHIDElementTypeInput_Axis:
{
CFArrayInsertValueAtIndex(device->elements, axes, element);
axes++;
CFArrayAppendValue(axes, element);
break;
}
case kIOHIDElementTypeInput_Misc:
@ -518,8 +503,7 @@ static void get_osx_device_elements(JoystickImpl *device, int axis_map[8])
{
case kHIDUsage_GD_Hatswitch:
{
CFArrayInsertValueAtIndex(device->elements, (axes+povs), element);
povs++;
CFArrayAppendValue(povs, element);
break;
}
case kHIDUsage_GD_Slider:
@ -534,9 +518,8 @@ static void get_osx_device_elements(JoystickImpl *device, int axis_map[8])
case kHIDUsage_GD_Ry:
case kHIDUsage_GD_Rz:
{
CFArrayInsertValueAtIndex(device->elements, axes, element);
axis_map[axes]=usage;
axes++;
axis_map[CFArrayGetCount(axes)]=usage;
CFArrayAppendValue(axes, element);
break;
}
default:
@ -548,22 +531,29 @@ static void get_osx_device_elements(JoystickImpl *device, int axis_map[8])
FIXME("Unhandled type %i\n",type);
}
}
}
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 element = ( IOHIDElementRef ) CFArrayGetValueAtIndex( device->elements, axes+povs+buttons);
uint32_t usage = IOHIDElementGetUsage( element );
usage --; /* usage is 1 indexed we need 0 indexed */
if (usage == buttons)
continue;
CFArraySortValues(buttons, CFRangeMake(0, CFArrayGetCount(buttons)), button_usage_comparator, NULL);
insert_sort_button(axes+povs, element, device->elements,buttons,usage);
device->generic.devcaps.dwAxes = CFArrayGetCount(axes);
device->generic.devcaps.dwButtons = CFArrayGetCount(buttons);
device->generic.devcaps.dwPOVs = CFArrayGetCount(povs);
/* build our element array in the order that dinput expects */
CFArrayAppendArray(axes, povs, CFRangeMake(0, device->generic.devcaps.dwPOVs));
CFArrayAppendArray(axes, buttons, CFRangeMake(0, device->generic.devcaps.dwButtons));
device->elements = axes;
axes = NULL;
CFRelease(povs);
CFRelease(buttons);
CFRelease(elements);
}
else
{
device->generic.devcaps.dwAxes = 0;
device->generic.devcaps.dwButtons = 0;
device->generic.devcaps.dwPOVs = 0;
}
}