754 lines
23 KiB
C
754 lines
23 KiB
C
/*
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* WinMM joystick driver OS X implementation
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*
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* Copyright 1997 Andreas Mohr
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* Copyright 1998 Marcus Meissner
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* Copyright 1998,1999 Lionel Ulmer
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* Copyright 2000 Wolfgang Schwotzer
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* Copyright 2000-2001 TransGaming Technologies Inc.
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* Copyright 2002 David Hagood
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* Copyright 2009 CodeWeavers, Aric Stewart
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* Copyright 2015 Ken Thomases for CodeWeavers Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#if defined(HAVE_IOKIT_HID_IOHIDLIB_H)
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#define DWORD UInt32
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#define LPDWORD UInt32*
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#define LONG SInt32
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#define LPLONG SInt32*
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#define E_PENDING __carbon_E_PENDING
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#define ULONG __carbon_ULONG
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#define E_INVALIDARG __carbon_E_INVALIDARG
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#define E_OUTOFMEMORY __carbon_E_OUTOFMEMORY
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#define E_HANDLE __carbon_E_HANDLE
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#define E_ACCESSDENIED __carbon_E_ACCESSDENIED
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#define E_UNEXPECTED __carbon_E_UNEXPECTED
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#define E_FAIL __carbon_E_FAIL
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#define E_ABORT __carbon_E_ABORT
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#define E_POINTER __carbon_E_POINTER
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#define E_NOINTERFACE __carbon_E_NOINTERFACE
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#define E_NOTIMPL __carbon_E_NOTIMPL
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#define S_FALSE __carbon_S_FALSE
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#define S_OK __carbon_S_OK
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#define HRESULT_FACILITY __carbon_HRESULT_FACILITY
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#define IS_ERROR __carbon_IS_ERROR
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#define FAILED __carbon_FAILED
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#define SUCCEEDED __carbon_SUCCEEDED
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#define MAKE_HRESULT __carbon_MAKE_HRESULT
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#define HRESULT __carbon_HRESULT
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#define STDMETHODCALLTYPE __carbon_STDMETHODCALLTYPE
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#include <IOKit/IOKitLib.h>
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#include <IOKit/hid/IOHIDLib.h>
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#undef ULONG
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#undef E_INVALIDARG
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#undef E_OUTOFMEMORY
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#undef E_HANDLE
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#undef E_ACCESSDENIED
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#undef E_UNEXPECTED
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#undef E_FAIL
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#undef E_ABORT
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#undef E_POINTER
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#undef E_NOINTERFACE
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#undef E_NOTIMPL
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#undef S_FALSE
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#undef S_OK
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#undef HRESULT_FACILITY
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#undef IS_ERROR
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#undef FAILED
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#undef SUCCEEDED
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#undef MAKE_HRESULT
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#undef HRESULT
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#undef STDMETHODCALLTYPE
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#undef DWORD
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#undef LPDWORD
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#undef LONG
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#undef LPLONG
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#undef E_PENDING
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#include "joystick.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(joystick);
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#define MAXJOYSTICK (JOYSTICKID2 + 30)
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enum {
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AXIS_X,
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AXIS_Y,
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AXIS_Z,
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AXIS_RX,
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AXIS_RY,
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AXIS_RZ,
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NUM_AXES
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};
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struct axis {
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IOHIDElementRef element;
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CFIndex min_value, max_value;
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};
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typedef struct {
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BOOL in_use;
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IOHIDElementRef element;
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struct axis axes[NUM_AXES];
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CFMutableArrayRef buttons;
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IOHIDElementRef hatswitch;
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} joystick_t;
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static joystick_t joysticks[MAXJOYSTICK];
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static CFMutableArrayRef device_main_elements = NULL;
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static const char* debugstr_cf(CFTypeRef t)
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{
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CFStringRef s;
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const char* ret;
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if (!t) return "(null)";
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if (CFGetTypeID(t) == CFStringGetTypeID())
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s = t;
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else
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s = CFCopyDescription(t);
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ret = CFStringGetCStringPtr(s, kCFStringEncodingUTF8);
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if (ret) ret = debugstr_a(ret);
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if (!ret)
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{
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const UniChar* u = CFStringGetCharactersPtr(s);
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if (u)
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ret = debugstr_wn((const WCHAR*)u, CFStringGetLength(s));
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}
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if (!ret)
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{
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UniChar buf[200];
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int len = min(CFStringGetLength(s), sizeof(buf)/sizeof(buf[0]));
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CFStringGetCharacters(s, CFRangeMake(0, len), buf);
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ret = debugstr_wn(buf, len);
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}
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if (s != t) CFRelease(s);
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return ret;
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}
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static const char* debugstr_device(IOHIDDeviceRef device)
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{
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return wine_dbg_sprintf("<IOHIDDevice %p product %s>", device,
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debugstr_cf(IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey))));
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}
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static const char* debugstr_element(IOHIDElementRef element)
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{
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return wine_dbg_sprintf("<IOHIDElement %p type %d usage %u/%u device %p>", element,
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IOHIDElementGetType(element), IOHIDElementGetUsagePage(element),
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IOHIDElementGetUsage(element), IOHIDElementGetDevice(element));
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}
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static int axis_for_usage(int usage)
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{
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switch (usage)
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{
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case kHIDUsage_GD_X: return AXIS_X;
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case kHIDUsage_GD_Y: return AXIS_Y;
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case kHIDUsage_GD_Z: return AXIS_Z;
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case kHIDUsage_GD_Rx: return AXIS_RX;
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case kHIDUsage_GD_Ry: return AXIS_RY;
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case kHIDUsage_GD_Rz: return AXIS_RZ;
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}
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return -1;
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}
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/**************************************************************************
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* joystick_from_id
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*/
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static joystick_t* joystick_from_id(DWORD_PTR device_id)
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{
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int index;
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if ((device_id - (DWORD_PTR)joysticks) % sizeof(joysticks[0]) != 0)
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return NULL;
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index = (device_id - (DWORD_PTR)joysticks) / sizeof(joysticks[0]);
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if (index < 0 || index >= MAXJOYSTICK || !((joystick_t*)device_id)->in_use)
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return NULL;
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return (joystick_t*)device_id;
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}
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/**************************************************************************
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* create_osx_device_match
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*/
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static CFDictionaryRef create_osx_device_match(int usage)
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{
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CFDictionaryRef result = NULL;
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int number;
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CFStringRef keys[] = { CFSTR(kIOHIDDeviceUsagePageKey), CFSTR(kIOHIDDeviceUsageKey) };
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CFNumberRef values[2];
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int i;
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TRACE("usage %d\n", usage);
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number = kHIDPage_GenericDesktop;
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values[0] = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &number);
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values[1] = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &usage);
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if (values[0] && values[1])
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{
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result = CFDictionaryCreate(NULL, (const void**)keys, (const void**)values, sizeof(values) / sizeof(values[0]),
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&kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
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if (!result)
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ERR("CFDictionaryCreate failed.\n");
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}
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else
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ERR("CFNumberCreate failed.\n");
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for (i = 0; i < sizeof(values) / sizeof(values[0]); i++)
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if (values[i]) CFRelease(values[i]);
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return result;
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}
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/**************************************************************************
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* find_top_level
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*/
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static CFIndex find_top_level(IOHIDDeviceRef hid_device, CFMutableArrayRef main_elements)
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{
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CFArrayRef elements;
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CFIndex total = 0;
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TRACE("hid_device %s\n", debugstr_device(hid_device));
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if (!hid_device)
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return 0;
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elements = IOHIDDeviceCopyMatchingElements(hid_device, NULL, 0);
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if (elements)
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{
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CFIndex i, count = CFArrayGetCount(elements);
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for (i = 0; i < count; i++)
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{
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IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, i);
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int type = IOHIDElementGetType(element);
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TRACE("element %s\n", debugstr_element(element));
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/* Check for top-level gaming device collections */
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if (type == kIOHIDElementTypeCollection && IOHIDElementGetParent(element) == 0)
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{
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int usage_page = IOHIDElementGetUsagePage(element);
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int usage = IOHIDElementGetUsage(element);
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if (usage_page == kHIDPage_GenericDesktop &&
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(usage == kHIDUsage_GD_Joystick || usage == kHIDUsage_GD_GamePad))
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{
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CFArrayAppendValue(main_elements, element);
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total++;
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}
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}
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}
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CFRelease(elements);
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}
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TRACE("-> total %d\n", (int)total);
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return total;
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}
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/**************************************************************************
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* find_osx_devices
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*/
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static int find_osx_devices(void)
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{
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IOHIDManagerRef hid_manager;
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int usages[] = { kHIDUsage_GD_Joystick, kHIDUsage_GD_GamePad };
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int i;
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CFDictionaryRef matching_dicts[sizeof(usages) / sizeof(usages[0])];
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CFArrayRef matching;
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CFSetRef devset;
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TRACE("()\n");
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hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, 0L);
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if (IOHIDManagerOpen(hid_manager, 0) != kIOReturnSuccess)
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{
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ERR("Couldn't open IOHIDManager.\n");
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CFRelease(hid_manager);
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return 0;
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}
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for (i = 0; i < sizeof(matching_dicts) / sizeof(matching_dicts[0]); i++)
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{
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matching_dicts[i] = create_osx_device_match(usages[i]);
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if (!matching_dicts[i])
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{
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while (i > 0)
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CFRelease(matching_dicts[--i]);
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goto fail;
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}
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}
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matching = CFArrayCreate(NULL, (const void**)matching_dicts, sizeof(matching_dicts) / sizeof(matching_dicts[0]),
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&kCFTypeArrayCallBacks);
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for (i = 0; i < sizeof(matching_dicts) / sizeof(matching_dicts[0]); i++)
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CFRelease(matching_dicts[i]);
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IOHIDManagerSetDeviceMatchingMultiple(hid_manager, matching);
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CFRelease(matching);
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devset = IOHIDManagerCopyDevices(hid_manager);
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if (devset)
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{
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CFIndex num_devices, num_main_elements;
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const void** refs;
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CFArrayRef devices;
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num_devices = CFSetGetCount(devset);
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refs = HeapAlloc(GetProcessHeap(), 0, num_devices * sizeof(*refs));
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if (!refs)
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{
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CFRelease(devset);
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goto fail;
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}
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CFSetGetValues(devset, refs);
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devices = CFArrayCreate(NULL, refs, num_devices, &kCFTypeArrayCallBacks);
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HeapFree(GetProcessHeap(), 0, refs);
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CFRelease(devset);
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if (!devices)
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goto fail;
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device_main_elements = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
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if (!device_main_elements)
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{
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CFRelease(devices);
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goto fail;
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}
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num_main_elements = 0;
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for (i = 0; i < num_devices; i++)
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{
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IOHIDDeviceRef hid_device = (IOHIDDeviceRef)CFArrayGetValueAtIndex(devices, i);
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TRACE("hid_device %s\n", debugstr_device(hid_device));
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num_main_elements += find_top_level(hid_device, device_main_elements);
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}
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CFRelease(devices);
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TRACE("found %i device(s), %i collection(s)\n",(int)num_devices,(int)num_main_elements);
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return (int)num_main_elements;
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}
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fail:
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IOHIDManagerClose(hid_manager, 0);
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CFRelease(hid_manager);
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return 0;
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}
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/**************************************************************************
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* collect_joystick_elements
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*/
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static void collect_joystick_elements(joystick_t* joystick, IOHIDElementRef collection)
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{
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CFIndex i, count;
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CFArrayRef children = IOHIDElementGetChildren(collection);
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TRACE("collection %s\n", debugstr_element(collection));
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count = CFArrayGetCount(children);
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for (i = 0; i < count; i++)
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{
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IOHIDElementRef child;
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int type;
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child = (IOHIDElementRef)CFArrayGetValueAtIndex(children, i);
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TRACE("child %s\n", debugstr_element(child));
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type = IOHIDElementGetType(child);
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switch (type)
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{
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case kIOHIDElementTypeCollection:
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collect_joystick_elements(joystick, child);
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break;
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case kIOHIDElementTypeInput_Button:
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{
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int usage_page = IOHIDElementGetUsagePage(child);
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TRACE("kIOHIDElementTypeInput_Button usage_page %d\n", usage_page);
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/* avoid strange elements found on the 360 controller */
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if (usage_page == kHIDPage_Button)
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CFArrayAppendValue(joystick->buttons, child);
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break;
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}
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case kIOHIDElementTypeInput_Axis:
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{
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TRACE("kIOHIDElementTypeInput_Axis; ignoring\n");
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break;
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}
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case kIOHIDElementTypeInput_Misc:
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{
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uint32_t usage = IOHIDElementGetUsage( child );
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switch(usage)
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{
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case kHIDUsage_GD_Hatswitch:
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{
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TRACE("kIOHIDElementTypeInput_Misc / kHIDUsage_GD_Hatswitch\n");
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if (joystick->hatswitch)
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TRACE(" ignoring additional hatswitch\n");
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else
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joystick->hatswitch = (IOHIDElementRef)CFRetain(child);
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break;
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}
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case kHIDUsage_GD_X:
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case kHIDUsage_GD_Y:
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case kHIDUsage_GD_Z:
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case kHIDUsage_GD_Rx:
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case kHIDUsage_GD_Ry:
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case kHIDUsage_GD_Rz:
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{
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int axis = axis_for_usage(usage);
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TRACE("kIOHIDElementTypeInput_Misc / kHIDUsage_GD_<axis> (%d) axis %d\n", usage, axis);
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if (axis < 0 || joystick->axes[axis].element)
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TRACE(" ignoring\n");
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else
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{
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joystick->axes[axis].element = (IOHIDElementRef)CFRetain(child);
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joystick->axes[axis].min_value = IOHIDElementGetLogicalMin(child);
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joystick->axes[axis].max_value = IOHIDElementGetLogicalMax(child);
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}
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break;
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}
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case kHIDUsage_GD_Slider:
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TRACE("kIOHIDElementTypeInput_Misc / kHIDUsage_GD_Slider; ignoring\n");
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break;
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default:
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FIXME("kIOHIDElementTypeInput_Misc / Unhandled usage %d\n", usage);
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break;
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}
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break;
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}
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default:
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FIXME("Unhandled type %i\n",type);
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break;
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}
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}
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}
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/**************************************************************************
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* button_usage_comparator
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*/
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static CFComparisonResult button_usage_comparator(const void *val1, const void *val2, void *context)
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{
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IOHIDElementRef element1 = (IOHIDElementRef)val1, element2 = (IOHIDElementRef)val2;
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int usage1 = IOHIDElementGetUsage(element1), usage2 = IOHIDElementGetUsage(element2);
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if (usage1 < usage2)
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return kCFCompareLessThan;
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if (usage1 > usage2)
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return kCFCompareGreaterThan;
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return kCFCompareEqualTo;
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}
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/**************************************************************************
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* driver_open
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*/
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LRESULT driver_open(LPSTR str, DWORD index)
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{
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if (index >= MAXJOYSTICK || joysticks[index].in_use)
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return 0;
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joysticks[index].in_use = TRUE;
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return (LRESULT)&joysticks[index];
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}
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/**************************************************************************
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* driver_close
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*/
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LRESULT driver_close(DWORD_PTR device_id)
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{
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joystick_t* joystick = joystick_from_id(device_id);
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int i;
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if (joystick == NULL)
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return 0;
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CFRelease(joystick->element);
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for (i = 0; i < NUM_AXES; i++)
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{
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if (joystick->axes[i].element)
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CFRelease(joystick->axes[i].element);
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}
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if (joystick->buttons)
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CFRelease(joystick->buttons);
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if (joystick->hatswitch)
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CFRelease(joystick->hatswitch);
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memset(joystick, 0, sizeof(*joystick));
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return 1;
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}
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/**************************************************************************
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* open_joystick
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*/
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static BOOL open_joystick(joystick_t* joystick)
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{
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CFIndex index;
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CFRange range;
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if (joystick->element)
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return TRUE;
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if (!device_main_elements)
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{
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find_osx_devices();
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if (!device_main_elements)
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return FALSE;
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}
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index = joystick - joysticks;
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if (index >= CFArrayGetCount(device_main_elements))
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return FALSE;
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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;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* 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;
|
|
|
|
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);
|
|
IOHIDDeviceGetValue(device, button, &valueRef);
|
|
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)
|
|
{
|
|
IOHIDDeviceGetValue(device, joystick->axes[i].element, &valueRef);
|
|
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)
|
|
{
|
|
IOHIDDeviceGetValue(device, joystick->hatswitch, &valueRef);
|
|
value = IOHIDValueGetIntegerValue(valueRef);
|
|
if (value >= 8)
|
|
info->dwPOV = JOY_POVCENTERED;
|
|
else
|
|
info->dwPOV = value * 4500;
|
|
}
|
|
else
|
|
{
|
|
info->dwPOV = 0;
|
|
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 */
|