Sweden-Number/dlls/user32/rawinput.c

524 lines
15 KiB
C

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