| /* |
| * WinMM joystick driver OS X implementation |
| * |
| * Copyright 1997 Andreas Mohr |
| * Copyright 1998 Marcus Meissner |
| * Copyright 1998,1999 Lionel Ulmer |
| * Copyright 2000 Wolfgang Schwotzer |
| * Copyright 2000-2001 TransGaming Technologies Inc. |
| * Copyright 2002 David Hagood |
| * Copyright 2009 CodeWeavers, Aric Stewart |
| * Copyright 2015 Ken Thomases for CodeWeavers Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "config.h" |
| |
| #if defined(HAVE_IOKIT_HID_IOHIDLIB_H) |
| |
| #define DWORD UInt32 |
| #define LPDWORD UInt32* |
| #define LONG SInt32 |
| #define LPLONG SInt32* |
| #define E_PENDING __carbon_E_PENDING |
| #define ULONG __carbon_ULONG |
| #define E_INVALIDARG __carbon_E_INVALIDARG |
| #define E_OUTOFMEMORY __carbon_E_OUTOFMEMORY |
| #define E_HANDLE __carbon_E_HANDLE |
| #define E_ACCESSDENIED __carbon_E_ACCESSDENIED |
| #define E_UNEXPECTED __carbon_E_UNEXPECTED |
| #define E_FAIL __carbon_E_FAIL |
| #define E_ABORT __carbon_E_ABORT |
| #define E_POINTER __carbon_E_POINTER |
| #define E_NOINTERFACE __carbon_E_NOINTERFACE |
| #define E_NOTIMPL __carbon_E_NOTIMPL |
| #define S_FALSE __carbon_S_FALSE |
| #define S_OK __carbon_S_OK |
| #define HRESULT_FACILITY __carbon_HRESULT_FACILITY |
| #define IS_ERROR __carbon_IS_ERROR |
| #define FAILED __carbon_FAILED |
| #define SUCCEEDED __carbon_SUCCEEDED |
| #define MAKE_HRESULT __carbon_MAKE_HRESULT |
| #define HRESULT __carbon_HRESULT |
| #define STDMETHODCALLTYPE __carbon_STDMETHODCALLTYPE |
| #include <IOKit/IOKitLib.h> |
| #include <IOKit/hid/IOHIDLib.h> |
| #undef ULONG |
| #undef E_INVALIDARG |
| #undef E_OUTOFMEMORY |
| #undef E_HANDLE |
| #undef E_ACCESSDENIED |
| #undef E_UNEXPECTED |
| #undef E_FAIL |
| #undef E_ABORT |
| #undef E_POINTER |
| #undef E_NOINTERFACE |
| #undef E_NOTIMPL |
| #undef S_FALSE |
| #undef S_OK |
| #undef HRESULT_FACILITY |
| #undef IS_ERROR |
| #undef FAILED |
| #undef SUCCEEDED |
| #undef MAKE_HRESULT |
| #undef HRESULT |
| #undef STDMETHODCALLTYPE |
| #undef DWORD |
| #undef LPDWORD |
| #undef LONG |
| #undef LPLONG |
| #undef E_PENDING |
| |
| #include "joystick.h" |
| |
| #include "wine/debug.h" |
| |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(joystick); |
| |
| |
| #define MAXJOYSTICK (JOYSTICKID2 + 30) |
| |
| |
| enum { |
| AXIS_X, |
| AXIS_Y, |
| AXIS_Z, |
| AXIS_RX, |
| AXIS_RY, |
| AXIS_RZ, |
| NUM_AXES |
| }; |
| |
| struct axis { |
| IOHIDElementRef element; |
| CFIndex min_value, max_value; |
| }; |
| |
| typedef struct { |
| BOOL in_use; |
| IOHIDElementRef element; |
| struct axis axes[NUM_AXES]; |
| CFMutableArrayRef buttons; |
| IOHIDElementRef hatswitch; |
| } joystick_t; |
| |
| |
| static joystick_t joysticks[MAXJOYSTICK]; |
| static CFMutableArrayRef device_main_elements = NULL; |
| |
| |
| static const char* debugstr_cf(CFTypeRef t) |
| { |
| CFStringRef s; |
| const char* ret; |
| |
| if (!t) return "(null)"; |
| |
| if (CFGetTypeID(t) == CFStringGetTypeID()) |
| s = t; |
| else |
| s = CFCopyDescription(t); |
| ret = CFStringGetCStringPtr(s, kCFStringEncodingUTF8); |
| if (ret) ret = debugstr_a(ret); |
| if (!ret) |
| { |
| const UniChar* u = CFStringGetCharactersPtr(s); |
| if (u) |
| ret = debugstr_wn((const WCHAR*)u, CFStringGetLength(s)); |
| } |
| if (!ret) |
| { |
| UniChar buf[200]; |
| int len = min(CFStringGetLength(s), sizeof(buf)/sizeof(buf[0])); |
| CFStringGetCharacters(s, CFRangeMake(0, len), buf); |
| ret = debugstr_wn(buf, len); |
| } |
| if (s != t) CFRelease(s); |
| return ret; |
| } |
| |
| static const char* debugstr_device(IOHIDDeviceRef device) |
| { |
| return wine_dbg_sprintf("<IOHIDDevice %p product %s>", device, |
| debugstr_cf(IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey)))); |
| } |
| |
| static const char* debugstr_element(IOHIDElementRef element) |
| { |
| return wine_dbg_sprintf("<IOHIDElement %p type %d usage %u/%u device %p>", element, |
| IOHIDElementGetType(element), IOHIDElementGetUsagePage(element), |
| IOHIDElementGetUsage(element), IOHIDElementGetDevice(element)); |
| } |
| |
| |
| static int axis_for_usage(int usage) |
| { |
| switch (usage) |
| { |
| case kHIDUsage_GD_X: return AXIS_X; |
| case kHIDUsage_GD_Y: return AXIS_Y; |
| case kHIDUsage_GD_Z: return AXIS_Z; |
| case kHIDUsage_GD_Rx: return AXIS_RX; |
| case kHIDUsage_GD_Ry: return AXIS_RY; |
| case kHIDUsage_GD_Rz: return AXIS_RZ; |
| } |
| |
| return -1; |
| } |
| |
| |
| /************************************************************************** |
| * joystick_from_id |
| */ |
| static joystick_t* joystick_from_id(DWORD_PTR device_id) |
| { |
| int index; |
| |
| if ((device_id - (DWORD_PTR)joysticks) % sizeof(joysticks[0]) != 0) |
| return NULL; |
| index = (device_id - (DWORD_PTR)joysticks) / sizeof(joysticks[0]); |
| if (index < 0 || index >= MAXJOYSTICK || !((joystick_t*)device_id)->in_use) |
| return NULL; |
| |
| return (joystick_t*)device_id; |
| } |
| |
| /************************************************************************** |
| * create_osx_device_match |
| */ |
| static CFDictionaryRef create_osx_device_match(int usage) |
| { |
| CFDictionaryRef result = NULL; |
| int number; |
| CFStringRef keys[] = { CFSTR(kIOHIDDeviceUsagePageKey), CFSTR(kIOHIDDeviceUsageKey) }; |
| CFNumberRef values[2]; |
| int i; |
| |
| TRACE("usage %d\n", usage); |
| |
| number = kHIDPage_GenericDesktop; |
| values[0] = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &number); |
| values[1] = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &usage); |
| |
| if (values[0] && values[1]) |
| { |
| result = CFDictionaryCreate(NULL, (const void**)keys, (const void**)values, sizeof(values) / sizeof(values[0]), |
| &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); |
| |
| if (!result) |
| ERR("CFDictionaryCreate failed.\n"); |
| } |
| else |
| ERR("CFNumberCreate failed.\n"); |
| |
| for (i = 0; i < sizeof(values) / sizeof(values[0]); i++) |
| if (values[i]) CFRelease(values[i]); |
| |
| return result; |
| } |
| |
| /************************************************************************** |
| * find_top_level |
| */ |
| static CFIndex find_top_level(IOHIDDeviceRef hid_device, CFMutableArrayRef main_elements) |
| { |
| CFArrayRef elements; |
| CFIndex total = 0; |
| |
| TRACE("hid_device %s\n", debugstr_device(hid_device)); |
| |
| if (!hid_device) |
| return 0; |
| |
| elements = IOHIDDeviceCopyMatchingElements(hid_device, NULL, 0); |
| |
| if (elements) |
| { |
| CFIndex i, count = CFArrayGetCount(elements); |
| for (i = 0; i < count; i++) |
| { |
| IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, i); |
| int type = IOHIDElementGetType(element); |
| |
| TRACE("element %s\n", debugstr_element(element)); |
| |
| /* Check for top-level gaming device collections */ |
| if (type == kIOHIDElementTypeCollection && IOHIDElementGetParent(element) == 0) |
| { |
| int usage_page = IOHIDElementGetUsagePage(element); |
| int usage = IOHIDElementGetUsage(element); |
| |
| if (usage_page == kHIDPage_GenericDesktop && |
| (usage == kHIDUsage_GD_Joystick || usage == kHIDUsage_GD_GamePad)) |
| { |
| CFArrayAppendValue(main_elements, element); |
| total++; |
| } |
| } |
| } |
| CFRelease(elements); |
| } |
| |
| TRACE("-> total %d\n", (int)total); |
| return total; |
| } |
| |
| /************************************************************************** |
| * find_osx_devices |
| */ |
| static int find_osx_devices(void) |
| { |
| IOHIDManagerRef hid_manager; |
| int usages[] = { kHIDUsage_GD_Joystick, kHIDUsage_GD_GamePad }; |
| int i; |
| CFDictionaryRef matching_dicts[sizeof(usages) / sizeof(usages[0])]; |
| CFArrayRef matching; |
| CFSetRef devset; |
| |
| TRACE("()\n"); |
| |
| hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, 0L); |
| if (IOHIDManagerOpen(hid_manager, 0) != kIOReturnSuccess) |
| { |
| ERR("Couldn't open IOHIDManager.\n"); |
| CFRelease(hid_manager); |
| return 0; |
| } |
| |
| for (i = 0; i < sizeof(matching_dicts) / sizeof(matching_dicts[0]); i++) |
| { |
| matching_dicts[i] = create_osx_device_match(usages[i]); |
| if (!matching_dicts[i]) |
| { |
| while (i > 0) |
| CFRelease(matching_dicts[--i]); |
| goto fail; |
| } |
| } |
| |
| matching = CFArrayCreate(NULL, (const void**)matching_dicts, sizeof(matching_dicts) / sizeof(matching_dicts[0]), |
| &kCFTypeArrayCallBacks); |
| |
| for (i = 0; i < sizeof(matching_dicts) / sizeof(matching_dicts[0]); i++) |
| CFRelease(matching_dicts[i]); |
| |
| IOHIDManagerSetDeviceMatchingMultiple(hid_manager, matching); |
| CFRelease(matching); |
| devset = IOHIDManagerCopyDevices(hid_manager); |
| if (devset) |
| { |
| CFIndex num_devices, num_main_elements; |
| const void** refs; |
| CFArrayRef devices; |
| |
| num_devices = CFSetGetCount(devset); |
| refs = HeapAlloc(GetProcessHeap(), 0, num_devices * sizeof(*refs)); |
| if (!refs) |
| { |
| CFRelease(devset); |
| goto fail; |
| } |
| |
| CFSetGetValues(devset, refs); |
| devices = CFArrayCreate(NULL, refs, num_devices, &kCFTypeArrayCallBacks); |
| HeapFree(GetProcessHeap(), 0, refs); |
| CFRelease(devset); |
| if (!devices) |
| goto fail; |
| |
| device_main_elements = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks); |
| if (!device_main_elements) |
| { |
| CFRelease(devices); |
| goto fail; |
| } |
| |
| num_main_elements = 0; |
| for (i = 0; i < num_devices; i++) |
| { |
| IOHIDDeviceRef hid_device = (IOHIDDeviceRef)CFArrayGetValueAtIndex(devices, i); |
| TRACE("hid_device %s\n", debugstr_device(hid_device)); |
| num_main_elements += find_top_level(hid_device, device_main_elements); |
| } |
| |
| CFRelease(devices); |
| |
| TRACE("found %i device(s), %i collection(s)\n",(int)num_devices,(int)num_main_elements); |
| return (int)num_main_elements; |
| } |
| |
| fail: |
| IOHIDManagerClose(hid_manager, 0); |
| CFRelease(hid_manager); |
| return 0; |
| } |
| |
| /************************************************************************** |
| * collect_joystick_elements |
| */ |
| static void collect_joystick_elements(joystick_t* joystick, IOHIDElementRef collection) |
| { |
| CFIndex i, count; |
| CFArrayRef children = IOHIDElementGetChildren(collection); |
| |
| TRACE("collection %s\n", debugstr_element(collection)); |
| |
| count = CFArrayGetCount(children); |
| for (i = 0; i < count; i++) |
| { |
| IOHIDElementRef child; |
| int type; |
| |
| child = (IOHIDElementRef)CFArrayGetValueAtIndex(children, i); |
| TRACE("child %s\n", debugstr_element(child)); |
| type = IOHIDElementGetType(child); |
| switch (type) |
| { |
| case kIOHIDElementTypeCollection: |
| collect_joystick_elements(joystick, child); |
| break; |
| case kIOHIDElementTypeInput_Button: |
| { |
| int usage_page = IOHIDElementGetUsagePage(child); |
| |
| TRACE("kIOHIDElementTypeInput_Button usage_page %d\n", usage_page); |
| |
| /* avoid strange elements found on the 360 controller */ |
| if (usage_page == kHIDPage_Button) |
| CFArrayAppendValue(joystick->buttons, child); |
| break; |
| } |
| case kIOHIDElementTypeInput_Axis: |
| { |
| TRACE("kIOHIDElementTypeInput_Axis; ignoring\n"); |
| break; |
| } |
| case kIOHIDElementTypeInput_Misc: |
| { |
| uint32_t usage = IOHIDElementGetUsage( child ); |
| switch(usage) |
| { |
| case kHIDUsage_GD_Hatswitch: |
| { |
| TRACE("kIOHIDElementTypeInput_Misc / kHIDUsage_GD_Hatswitch\n"); |
| if (joystick->hatswitch) |
| TRACE(" ignoring additional hatswitch\n"); |
| else |
| joystick->hatswitch = (IOHIDElementRef)CFRetain(child); |
| break; |
| } |
| case kHIDUsage_GD_X: |
| case kHIDUsage_GD_Y: |
| case kHIDUsage_GD_Z: |
| case kHIDUsage_GD_Rx: |
| case kHIDUsage_GD_Ry: |
| case kHIDUsage_GD_Rz: |
| { |
| int axis = axis_for_usage(usage); |
| TRACE("kIOHIDElementTypeInput_Misc / kHIDUsage_GD_<axis> (%d) axis %d\n", usage, axis); |
| if (axis < 0 || joystick->axes[axis].element) |
| TRACE(" ignoring\n"); |
| else |
| { |
| joystick->axes[axis].element = (IOHIDElementRef)CFRetain(child); |
| joystick->axes[axis].min_value = IOHIDElementGetLogicalMin(child); |
| joystick->axes[axis].max_value = IOHIDElementGetLogicalMax(child); |
| } |
| break; |
| } |
| case kHIDUsage_GD_Slider: |
| TRACE("kIOHIDElementTypeInput_Misc / kHIDUsage_GD_Slider; ignoring\n"); |
| break; |
| default: |
| FIXME("kIOHIDElementTypeInput_Misc / Unhandled usage %d\n", usage); |
| break; |
| } |
| break; |
| } |
| default: |
| FIXME("Unhandled type %i\n",type); |
| break; |
| } |
| } |
| } |
| |
| /************************************************************************** |
| * button_usage_comparator |
| */ |
| static CFComparisonResult button_usage_comparator(const void *val1, const void *val2, void *context) |
| { |
| IOHIDElementRef element1 = (IOHIDElementRef)val1, element2 = (IOHIDElementRef)val2; |
| int usage1 = IOHIDElementGetUsage(element1), usage2 = IOHIDElementGetUsage(element2); |
| |
| if (usage1 < usage2) |
| return kCFCompareLessThan; |
| if (usage1 > usage2) |
| return kCFCompareGreaterThan; |
| return kCFCompareEqualTo; |
| } |
| |
| /************************************************************************** |
| * driver_open |
| */ |
| LRESULT driver_open(LPSTR str, DWORD index) |
| { |
| if (index >= MAXJOYSTICK || joysticks[index].in_use) |
| return 0; |
| |
| joysticks[index].in_use = TRUE; |
| return (LRESULT)&joysticks[index]; |
| } |
| |
| /************************************************************************** |
| * driver_close |
| */ |
| LRESULT driver_close(DWORD_PTR device_id) |
| { |
| joystick_t* joystick = joystick_from_id(device_id); |
| int i; |
| |
| if (joystick == NULL) |
| return 0; |
| |
| CFRelease(joystick->element); |
| for (i = 0; i < NUM_AXES; i++) |
| { |
| if (joystick->axes[i].element) |
| CFRelease(joystick->axes[i].element); |
| } |
| if (joystick->buttons) |
| CFRelease(joystick->buttons); |
| if (joystick->hatswitch) |
| CFRelease(joystick->hatswitch); |
| |
| memset(joystick, 0, sizeof(*joystick)); |
| return 1; |
| } |
| |
| /************************************************************************** |
| * open_joystick |
| */ |
| static BOOL open_joystick(joystick_t* joystick) |
| { |
| CFIndex index; |
| CFRange range; |
| |
| if (joystick->element) |
| return TRUE; |
| |
| if (!device_main_elements) |
| { |
| find_osx_devices(); |
| if (!device_main_elements) |
| return FALSE; |
| } |
| |
| index = joystick - joysticks; |
| if (index >= CFArrayGetCount(device_main_elements)) |
| return FALSE; |
| |
| joystick->element = (IOHIDElementRef)CFArrayGetValueAtIndex(device_main_elements, index); |
| joystick->buttons = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks); |
| collect_joystick_elements(joystick, joystick->element); |
| |
| /* Sort buttons into correct order */ |
| range.location = 0; |
| range.length = CFArrayGetCount(joystick->buttons); |
| CFArraySortValues(joystick->buttons, range, button_usage_comparator, NULL); |
| if (range.length > 32) |
| { |
| /* Delete any buttons beyond the first 32 */ |
| range.location = 32; |
| range.length -= 32; |
| CFArrayReplaceValues(joystick->buttons, range, NULL, 0); |
| } |
| |
| return TRUE; |
| } |
| |
| |
| /************************************************************************** |
| * driver_joyGetDevCaps |
| */ |
| LRESULT driver_joyGetDevCaps(DWORD_PTR device_id, JOYCAPSW* caps, DWORD size) |
| { |
| joystick_t* joystick; |
| IOHIDDeviceRef device; |
| |
| if ((joystick = joystick_from_id(device_id)) == NULL) |
| return MMSYSERR_NODRIVER; |
| |
| if (!open_joystick(joystick)) |
| return JOYERR_PARMS; |
| |
| caps->szPname[0] = 0; |
| |
| device = IOHIDElementGetDevice(joystick->element); |
| if (device) |
| { |
| CFStringRef product_name = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey)); |
| if (product_name) |
| { |
| CFRange range; |
| |
| range.location = 0; |
| range.length = min(MAXPNAMELEN - 1, CFStringGetLength(product_name)); |
| CFStringGetCharacters(product_name, range, (UniChar*)caps->szPname); |
| caps->szPname[range.length] = 0; |
| } |
| } |
| |
| caps->wMid = MM_MICROSOFT; |
| caps->wPid = MM_PC_JOYSTICK; |
| caps->wXmin = 0; |
| caps->wXmax = 0xFFFF; |
| caps->wYmin = 0; |
| caps->wYmax = 0xFFFF; |
| caps->wZmin = 0; |
| caps->wZmax = joystick->axes[AXIS_Z].element ? 0xFFFF : 0; |
| caps->wNumButtons = CFArrayGetCount(joystick->buttons); |
| if (size == sizeof(JOYCAPSW)) |
| { |
| int i; |
| |
| /* complete 95 structure */ |
| caps->wRmin = 0; |
| caps->wRmax = 0xFFFF; |
| caps->wUmin = 0; |
| caps->wUmax = 0xFFFF; |
| caps->wVmin = 0; |
| caps->wVmax = 0xFFFF; |
| caps->wMaxAxes = 6; /* same as MS Joystick Driver */ |
| caps->wNumAxes = 0; |
| caps->wMaxButtons = 32; /* same as MS Joystick Driver */ |
| caps->szRegKey[0] = 0; |
| caps->szOEMVxD[0] = 0; |
| caps->wCaps = 0; |
| |
| for (i = 0; i < NUM_AXES; i++) |
| { |
| if (joystick->axes[i].element) |
| { |
| caps->wNumAxes++; |
| switch (i) |
| { |
| case AXIS_Z: caps->wCaps |= JOYCAPS_HASZ; break; |
| case AXIS_RX: caps->wCaps |= JOYCAPS_HASU; break; |
| case AXIS_RY: caps->wCaps |= JOYCAPS_HASV; break; |
| case AXIS_RZ: caps->wCaps |= JOYCAPS_HASR; break; |
| } |
| } |
| } |
| |
| if (joystick->hatswitch) |
| caps->wCaps |= JOYCAPS_HASPOV | JOYCAPS_POV4DIR; |
| } |
| |
| TRACE("name %s buttons %u axes %d caps 0x%08x\n", debugstr_w(caps->szPname), caps->wNumButtons, caps->wNumAxes, caps->wCaps); |
| |
| return JOYERR_NOERROR; |
| } |
| |
| /* |
| * Helper to get the value from an element |
| */ |
| static LRESULT driver_getElementValue(IOHIDDeviceRef device, IOHIDElementRef element, IOHIDValueRef *pValueRef) |
| { |
| IOReturn ret; |
| ret = IOHIDDeviceGetValue(device, element, pValueRef); |
| switch (ret) |
| { |
| case kIOReturnSuccess: |
| return JOYERR_NOERROR; |
| case kIOReturnNotAttached: |
| return JOYERR_UNPLUGGED; |
| default: |
| ERR("IOHIDDeviceGetValue returned 0x%x\n",ret); |
| return JOYERR_NOCANDO; |
| } |
| } |
| |
| /************************************************************************** |
| * driver_joyGetPosEx |
| */ |
| LRESULT driver_joyGetPosEx(DWORD_PTR device_id, JOYINFOEX* info) |
| { |
| static const struct { |
| DWORD flag; |
| off_t offset; |
| } axis_map[NUM_AXES] = { |
| { JOY_RETURNX, FIELD_OFFSET(JOYINFOEX, dwXpos) }, |
| { JOY_RETURNY, FIELD_OFFSET(JOYINFOEX, dwYpos) }, |
| { JOY_RETURNZ, FIELD_OFFSET(JOYINFOEX, dwZpos) }, |
| { JOY_RETURNU, FIELD_OFFSET(JOYINFOEX, dwUpos) }, |
| { JOY_RETURNV, FIELD_OFFSET(JOYINFOEX, dwVpos) }, |
| { JOY_RETURNR, FIELD_OFFSET(JOYINFOEX, dwRpos) }, |
| }; |
| |
| joystick_t* joystick; |
| IOHIDDeviceRef device; |
| CFIndex i, count; |
| IOHIDValueRef valueRef; |
| long value; |
| LRESULT rc; |
| |
| if ((joystick = joystick_from_id(device_id)) == NULL) |
| return MMSYSERR_NODRIVER; |
| |
| if (!open_joystick(joystick)) |
| return JOYERR_PARMS; |
| |
| device = IOHIDElementGetDevice(joystick->element); |
| |
| if (info->dwFlags & JOY_RETURNBUTTONS) |
| { |
| info->dwButtons = 0; |
| info->dwButtonNumber = 0; |
| |
| count = CFArrayGetCount(joystick->buttons); |
| for (i = 0; i < count; i++) |
| { |
| IOHIDElementRef button = (IOHIDElementRef)CFArrayGetValueAtIndex(joystick->buttons, i); |
| rc = driver_getElementValue(device, button, &valueRef); |
| if (rc != JOYERR_NOERROR) |
| return rc; |
| value = IOHIDValueGetIntegerValue(valueRef); |
| if (value) |
| { |
| info->dwButtons |= 1 << i; |
| info->dwButtonNumber++; |
| } |
| } |
| } |
| |
| for (i = 0; i < NUM_AXES; i++) |
| { |
| if (info->dwFlags & axis_map[i].flag) |
| { |
| DWORD* field = (DWORD*)((char*)info + axis_map[i].offset); |
| if (joystick->axes[i].element) |
| { |
| rc = driver_getElementValue(device, joystick->axes[i].element, &valueRef); |
| if (rc != JOYERR_NOERROR) |
| return rc; |
| value = IOHIDValueGetIntegerValue(valueRef) - joystick->axes[i].min_value; |
| *field = MulDiv(value, 0xFFFF, joystick->axes[i].max_value - joystick->axes[i].min_value); |
| } |
| else |
| { |
| *field = 0; |
| info->dwFlags &= ~axis_map[i].flag; |
| } |
| } |
| } |
| |
| if (info->dwFlags & JOY_RETURNPOV) |
| { |
| if (joystick->hatswitch) |
| { |
| rc = driver_getElementValue(device, joystick->hatswitch, &valueRef); |
| if (rc != JOYERR_NOERROR) |
| return rc; |
| value = IOHIDValueGetIntegerValue(valueRef); |
| if (value >= 8) |
| info->dwPOV = JOY_POVCENTERED; |
| else |
| info->dwPOV = value * 4500; |
| } |
| else |
| { |
| info->dwPOV = JOY_POVCENTERED; |
| info->dwFlags &= ~JOY_RETURNPOV; |
| } |
| } |
| |
| TRACE("x: %d, y: %d, z: %d, r: %d, u: %d, v: %d, buttons: 0x%04x, pov %d, flags: 0x%04x\n", |
| info->dwXpos, info->dwYpos, info->dwZpos, info->dwRpos, info->dwUpos, info->dwVpos, info->dwButtons, info->dwPOV, info->dwFlags); |
| |
| return JOYERR_NOERROR; |
| } |
| |
| /************************************************************************** |
| * driver_joyGetPos |
| */ |
| LRESULT driver_joyGetPos(DWORD_PTR device_id, JOYINFO* info) |
| { |
| JOYINFOEX ji; |
| LONG ret; |
| |
| memset(&ji, 0, sizeof(ji)); |
| |
| ji.dwSize = sizeof(ji); |
| ji.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNZ | JOY_RETURNBUTTONS; |
| ret = driver_joyGetPosEx(device_id, &ji); |
| if (ret == JOYERR_NOERROR) |
| { |
| info->wXpos = ji.dwXpos; |
| info->wYpos = ji.dwYpos; |
| info->wZpos = ji.dwZpos; |
| info->wButtons = ji.dwButtons; |
| } |
| |
| return ret; |
| } |
| |
| #endif /* HAVE_IOKIT_HID_IOHIDLIB_H */ |
