503 lines
14 KiB
C
503 lines
14 KiB
C
/*
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* Raw Input
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*
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* Copyright 2012 Henri Verbeet
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* Copyright 2018 Zebediah Figura for CodeWeavers
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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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#include <stdarg.h>
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#define NONAMELESSUNION
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winnls.h"
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#include "winreg.h"
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#include "winuser.h"
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#include "setupapi.h"
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#include "ddk/hidsdi.h"
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#include "wine/debug.h"
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#include "wine/server.h"
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#include "user_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(rawinput);
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struct hid_device
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{
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WCHAR *path;
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HANDLE file;
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RID_DEVICE_INFO_HID info;
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PHIDP_PREPARSED_DATA data;
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};
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static struct hid_device *hid_devices;
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static unsigned int hid_devices_count, hid_devices_max;
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static CRITICAL_SECTION hid_devices_cs;
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static CRITICAL_SECTION_DEBUG hid_devices_cs_debug =
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{
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0, 0, &hid_devices_cs,
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{ &hid_devices_cs_debug.ProcessLocksList, &hid_devices_cs_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": hid_devices_cs") }
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};
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static CRITICAL_SECTION hid_devices_cs = { &hid_devices_cs_debug, -1, 0, 0, 0, 0 };
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static BOOL array_reserve(void **elements, unsigned int *capacity, unsigned int count, unsigned int size)
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{
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unsigned int new_capacity, max_capacity;
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void *new_elements;
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if (count <= *capacity)
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return TRUE;
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max_capacity = ~(SIZE_T)0 / size;
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if (count > max_capacity)
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return FALSE;
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new_capacity = max(4, *capacity);
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while (new_capacity < count && new_capacity <= max_capacity / 2)
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new_capacity *= 2;
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if (new_capacity < count)
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new_capacity = max_capacity;
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if (!(new_elements = heap_realloc(*elements, new_capacity * size)))
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return FALSE;
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*elements = new_elements;
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*capacity = new_capacity;
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return TRUE;
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}
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static struct hid_device *add_device(HDEVINFO set, SP_DEVICE_INTERFACE_DATA *iface)
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{
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SP_DEVICE_INTERFACE_DETAIL_DATA_W *detail;
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struct hid_device *device;
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HANDLE file;
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WCHAR *path;
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DWORD size;
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SetupDiGetDeviceInterfaceDetailW(set, iface, NULL, 0, &size, NULL);
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if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
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{
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ERR("Failed to get device path, error %#x.\n", GetLastError());
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return FALSE;
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}
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if (!(detail = heap_alloc(size)))
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{
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ERR("Failed to allocate memory.\n");
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return FALSE;
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}
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detail->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_W);
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SetupDiGetDeviceInterfaceDetailW(set, iface, detail, size, NULL, NULL);
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TRACE("Found HID device %s.\n", debugstr_w(detail->DevicePath));
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if (!(path = heap_strdupW(detail->DevicePath)))
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{
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ERR("Failed to allocate memory.\n");
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heap_free(detail);
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return NULL;
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}
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heap_free(detail);
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file = CreateFileW(path, GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, 0);
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if (file == INVALID_HANDLE_VALUE)
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{
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ERR("Failed to open device file %s, error %u.\n", debugstr_w(path), GetLastError());
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heap_free(path);
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return NULL;
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}
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if (!array_reserve((void **)&hid_devices, &hid_devices_max, hid_devices_count + 1, sizeof(*hid_devices)))
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{
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ERR("Failed to allocate memory.\n");
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CloseHandle(file);
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heap_free(path);
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return NULL;
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}
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device = &hid_devices[hid_devices_count++];
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device->path = path;
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device->file = file;
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return device;
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}
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static void find_hid_devices(void)
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{
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static ULONGLONG last_check;
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SP_DEVICE_INTERFACE_DATA iface = { sizeof(iface) };
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struct hid_device *device;
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HIDD_ATTRIBUTES attr;
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HIDP_CAPS caps;
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GUID hid_guid;
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HDEVINFO set;
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DWORD idx;
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if (GetTickCount64() - last_check < 2000)
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return;
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last_check = GetTickCount64();
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HidD_GetHidGuid(&hid_guid);
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set = SetupDiGetClassDevsW(&hid_guid, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT);
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EnterCriticalSection(&hid_devices_cs);
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/* destroy previous list */
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for (idx = 0; idx < hid_devices_count; ++idx)
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{
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CloseHandle(hid_devices[idx].file);
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heap_free(hid_devices[idx].path);
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}
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hid_devices_count = 0;
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for (idx = 0; SetupDiEnumDeviceInterfaces(set, NULL, &hid_guid, idx, &iface); ++idx)
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{
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if (!(device = add_device(set, &iface)))
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continue;
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attr.Size = sizeof(HIDD_ATTRIBUTES);
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if (!HidD_GetAttributes(device->file, &attr))
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WARN("Failed to get attributes.\n");
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device->info.dwVendorId = attr.VendorID;
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device->info.dwProductId = attr.ProductID;
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device->info.dwVersionNumber = attr.VersionNumber;
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if (!HidD_GetPreparsedData(device->file, &device->data))
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WARN("Failed to get preparsed data.\n");
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if (!HidP_GetCaps(device->data, &caps))
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WARN("Failed to get caps.\n");
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device->info.usUsagePage = caps.UsagePage;
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device->info.usUsage = caps.Usage;
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}
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LeaveCriticalSection(&hid_devices_cs);
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SetupDiDestroyDeviceInfoList(set);
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}
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/***********************************************************************
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* GetRawInputDeviceList (USER32.@)
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*/
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UINT WINAPI GetRawInputDeviceList(RAWINPUTDEVICELIST *devices, UINT *device_count, UINT size)
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{
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UINT i;
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TRACE("devices %p, device_count %p, size %u.\n", devices, device_count, size);
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if (size != sizeof(*devices))
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return ~0U;
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}
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if (!device_count)
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{
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SetLastError(ERROR_NOACCESS);
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return ~0U;
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}
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find_hid_devices();
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if (!devices)
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{
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*device_count = 2 + hid_devices_count;
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return 0;
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}
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if (*device_count < 2 + hid_devices_count)
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{
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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*device_count = 2 + hid_devices_count;
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return ~0U;
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}
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devices[0].hDevice = WINE_MOUSE_HANDLE;
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devices[0].dwType = RIM_TYPEMOUSE;
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devices[1].hDevice = WINE_KEYBOARD_HANDLE;
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devices[1].dwType = RIM_TYPEKEYBOARD;
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for (i = 0; i < hid_devices_count; ++i)
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{
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devices[2 + i].hDevice = &hid_devices[i];
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devices[2 + i].dwType = RIM_TYPEHID;
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}
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return 2 + hid_devices_count;
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}
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/***********************************************************************
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* RegisterRawInputDevices (USER32.@)
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*/
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BOOL WINAPI DECLSPEC_HOTPATCH RegisterRawInputDevices(RAWINPUTDEVICE *devices, UINT device_count, UINT size)
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{
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struct rawinput_device *d;
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BOOL ret;
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UINT i;
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TRACE("devices %p, device_count %u, size %u.\n", devices, device_count, size);
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if (size != sizeof(*devices))
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{
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WARN("Invalid structure size %u.\n", size);
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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for (i = 0; i < device_count; ++i)
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{
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if ((devices[i].dwFlags & RIDEV_REMOVE) &&
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(devices[i].hwndTarget != NULL))
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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}
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if (!(d = HeapAlloc( GetProcessHeap(), 0, device_count * sizeof(*d) ))) return FALSE;
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for (i = 0; i < device_count; ++i)
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{
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TRACE("device %u: page %#x, usage %#x, flags %#x, target %p.\n",
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i, devices[i].usUsagePage, devices[i].usUsage,
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devices[i].dwFlags, devices[i].hwndTarget);
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if (devices[i].dwFlags & ~RIDEV_REMOVE)
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FIXME("Unhandled flags %#x for device %u.\n", devices[i].dwFlags, i);
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d[i].usage_page = devices[i].usUsagePage;
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d[i].usage = devices[i].usUsage;
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d[i].flags = devices[i].dwFlags;
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d[i].target = wine_server_user_handle( devices[i].hwndTarget );
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}
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SERVER_START_REQ( update_rawinput_devices )
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{
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wine_server_add_data( req, d, device_count * sizeof(*d) );
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ret = !wine_server_call( req );
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}
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SERVER_END_REQ;
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HeapFree( GetProcessHeap(), 0, d );
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return ret;
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}
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/***********************************************************************
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* GetRawInputData (USER32.@)
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*/
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UINT WINAPI GetRawInputData(HRAWINPUT rawinput, UINT command, void *data, UINT *data_size, UINT header_size)
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{
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RAWINPUT *ri = (RAWINPUT *)rawinput;
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UINT s;
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TRACE("rawinput %p, command %#x, data %p, data_size %p, header_size %u.\n",
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rawinput, command, data, data_size, header_size);
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if (!ri)
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return ~0U;
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if (header_size != sizeof(RAWINPUTHEADER))
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{
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WARN("Invalid structure size %u.\n", header_size);
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return ~0U;
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}
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switch (command)
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{
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case RID_INPUT:
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s = ri->header.dwSize;
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break;
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case RID_HEADER:
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s = sizeof(RAWINPUTHEADER);
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break;
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default:
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return ~0U;
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}
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if (!data)
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{
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*data_size = s;
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return 0;
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}
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if (*data_size < s) return ~0U;
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memcpy(data, ri, s);
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return s;
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}
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/***********************************************************************
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* GetRawInputBuffer (USER32.@)
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*/
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UINT WINAPI DECLSPEC_HOTPATCH GetRawInputBuffer(RAWINPUT *data, UINT *data_size, UINT header_size)
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{
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FIXME("data %p, data_size %p, header_size %u stub!\n", data, data_size, header_size);
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return 0;
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}
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/***********************************************************************
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* GetRawInputDeviceInfoA (USER32.@)
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*/
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UINT WINAPI GetRawInputDeviceInfoA(HANDLE device, UINT command, void *data, UINT *data_size)
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{
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TRACE("device %p, command %#x, data %p, data_size %p.\n",
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device, command, data, data_size);
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/* RIDI_DEVICENAME data_size is in chars, not bytes */
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if (command == RIDI_DEVICENAME)
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{
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WCHAR *nameW;
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UINT ret, nameW_sz;
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if (!data_size) return ~0U;
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nameW_sz = *data_size;
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if (data && nameW_sz > 0)
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nameW = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * nameW_sz);
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else
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nameW = NULL;
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ret = GetRawInputDeviceInfoW(device, command, nameW, &nameW_sz);
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if (ret && ret != ~0U)
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WideCharToMultiByte(CP_ACP, 0, nameW, -1, data, *data_size, NULL, NULL);
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*data_size = nameW_sz;
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HeapFree(GetProcessHeap(), 0, nameW);
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return ret;
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}
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return GetRawInputDeviceInfoW(device, command, data, data_size);
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}
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/***********************************************************************
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* GetRawInputDeviceInfoW (USER32.@)
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*/
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UINT WINAPI GetRawInputDeviceInfoW(HANDLE device, UINT command, void *data, UINT *data_size)
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{
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/* FIXME: Most of this is made up. */
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static const WCHAR keyboard_name[] = {'\\','\\','?','\\','W','I','N','E','_','K','E','Y','B','O','A','R','D',0};
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static const WCHAR mouse_name[] = {'\\','\\','?','\\','W','I','N','E','_','M','O','U','S','E',0};
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static const RID_DEVICE_INFO_KEYBOARD keyboard_info = {0, 0, 1, 12, 3, 101};
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static const RID_DEVICE_INFO_MOUSE mouse_info = {1, 5, 0, FALSE};
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struct hid_device *hid_device;
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const WCHAR *name = NULL;
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RID_DEVICE_INFO *info;
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UINT s;
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TRACE("device %p, command %#x, data %p, data_size %p.\n",
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device, command, data, data_size);
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if (!data_size) return ~0U;
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switch (command)
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{
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case RIDI_DEVICENAME:
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if (device == WINE_MOUSE_HANDLE)
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{
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s = ARRAY_SIZE(mouse_name);
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name = mouse_name;
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}
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else if (device == WINE_KEYBOARD_HANDLE)
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{
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s = ARRAY_SIZE(keyboard_name);
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name = keyboard_name;
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}
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else
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{
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hid_device = device;
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s = strlenW(hid_device->path) + 1;
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name = hid_device->path;
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}
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break;
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case RIDI_DEVICEINFO:
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s = sizeof(*info);
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break;
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default:
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return ~0U;
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}
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if (!data)
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{
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*data_size = s;
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return 0;
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}
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if (*data_size < s)
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{
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*data_size = s;
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return ~0U;
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}
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if (command == RIDI_DEVICENAME)
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{
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memcpy(data, name, s * sizeof(WCHAR));
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return s;
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}
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info = data;
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info->cbSize = sizeof(*info);
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if (device == WINE_MOUSE_HANDLE)
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{
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info->dwType = RIM_TYPEMOUSE;
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info->u.mouse = mouse_info;
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}
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else if (device == WINE_KEYBOARD_HANDLE)
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{
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info->dwType = RIM_TYPEKEYBOARD;
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info->u.keyboard = keyboard_info;
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}
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else
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{
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hid_device = device;
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info->dwType = RIM_TYPEHID;
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info->u.hid = hid_device->info;
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}
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return s;
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}
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/***********************************************************************
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* GetRegisteredRawInputDevices (USER32.@)
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*/
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UINT WINAPI DECLSPEC_HOTPATCH GetRegisteredRawInputDevices(RAWINPUTDEVICE *devices, UINT *device_count, UINT size)
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{
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FIXME("devices %p, device_count %p, size %u stub!\n", devices, device_count, size);
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return 0;
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}
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/***********************************************************************
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* DefRawInputProc (USER32.@)
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*/
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LRESULT WINAPI DefRawInputProc(RAWINPUT **data, INT data_count, UINT header_size)
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{
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FIXME("data %p, data_count %d, header_size %u stub!\n", data, data_count, header_size);
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return 0;
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}
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