wine/dlls/win32u/rawinput.c
2022-11-23 16:13:58 +01:00

940 lines
29 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
*/
#if 0
#pragma makedep unix
#endif
#include <stdbool.h>
#include <pthread.h>
#include "win32u_private.h"
#include "ntuser_private.h"
#define WIN32_NO_STATUS
#include "winioctl.h"
#include "ddk/hidclass.h"
#include "wine/hid.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(rawinput);
#define WINE_MOUSE_HANDLE ((HANDLE)1)
#define WINE_KEYBOARD_HANDLE ((HANDLE)2)
#ifdef _WIN64
typedef RAWINPUTHEADER RAWINPUTHEADER64;
typedef RAWINPUT RAWINPUT64;
#else
typedef struct
{
DWORD dwType;
DWORD dwSize;
ULONGLONG hDevice;
ULONGLONG wParam;
} RAWINPUTHEADER64;
typedef struct
{
RAWINPUTHEADER64 header;
union
{
RAWMOUSE mouse;
RAWKEYBOARD keyboard;
RAWHID hid;
} data;
} RAWINPUT64;
#endif
static struct rawinput_thread_data *get_rawinput_thread_data(void)
{
struct user_thread_info *thread_info = get_user_thread_info();
struct rawinput_thread_data *data = thread_info->rawinput;
if (data) return data;
data = thread_info->rawinput = calloc( 1, RAWINPUT_BUFFER_SIZE + sizeof(struct user_thread_info) );
return data;
}
static bool rawinput_from_hardware_message( RAWINPUT *rawinput, const struct hardware_msg_data *msg_data )
{
SIZE_T size;
rawinput->header.dwType = msg_data->rawinput.type;
if (msg_data->rawinput.type == RIM_TYPEMOUSE)
{
static const unsigned int button_flags[] =
{
0, /* MOUSEEVENTF_MOVE */
RI_MOUSE_LEFT_BUTTON_DOWN, /* MOUSEEVENTF_LEFTDOWN */
RI_MOUSE_LEFT_BUTTON_UP, /* MOUSEEVENTF_LEFTUP */
RI_MOUSE_RIGHT_BUTTON_DOWN, /* MOUSEEVENTF_RIGHTDOWN */
RI_MOUSE_RIGHT_BUTTON_UP, /* MOUSEEVENTF_RIGHTUP */
RI_MOUSE_MIDDLE_BUTTON_DOWN, /* MOUSEEVENTF_MIDDLEDOWN */
RI_MOUSE_MIDDLE_BUTTON_UP, /* MOUSEEVENTF_MIDDLEUP */
};
unsigned int i;
rawinput->header.dwSize = FIELD_OFFSET(RAWINPUT, data) + sizeof(RAWMOUSE);
rawinput->header.hDevice = WINE_MOUSE_HANDLE;
rawinput->header.wParam = 0;
rawinput->data.mouse.usFlags = MOUSE_MOVE_RELATIVE;
rawinput->data.mouse.usButtonFlags = 0;
rawinput->data.mouse.usButtonData = 0;
for (i = 1; i < ARRAY_SIZE(button_flags); ++i)
{
if (msg_data->flags & (1 << i))
rawinput->data.mouse.usButtonFlags |= button_flags[i];
}
if (msg_data->flags & MOUSEEVENTF_WHEEL)
{
rawinput->data.mouse.usButtonFlags |= RI_MOUSE_WHEEL;
rawinput->data.mouse.usButtonData = msg_data->rawinput.mouse.data;
}
if (msg_data->flags & MOUSEEVENTF_HWHEEL)
{
rawinput->data.mouse.usButtonFlags |= RI_MOUSE_HORIZONTAL_WHEEL;
rawinput->data.mouse.usButtonData = msg_data->rawinput.mouse.data;
}
if (msg_data->flags & MOUSEEVENTF_XDOWN)
{
if (msg_data->rawinput.mouse.data == XBUTTON1)
rawinput->data.mouse.usButtonFlags |= RI_MOUSE_BUTTON_4_DOWN;
else if (msg_data->rawinput.mouse.data == XBUTTON2)
rawinput->data.mouse.usButtonFlags |= RI_MOUSE_BUTTON_5_DOWN;
}
if (msg_data->flags & MOUSEEVENTF_XUP)
{
if (msg_data->rawinput.mouse.data == XBUTTON1)
rawinput->data.mouse.usButtonFlags |= RI_MOUSE_BUTTON_4_UP;
else if (msg_data->rawinput.mouse.data == XBUTTON2)
rawinput->data.mouse.usButtonFlags |= RI_MOUSE_BUTTON_5_UP;
}
rawinput->data.mouse.ulRawButtons = 0;
rawinput->data.mouse.lLastX = msg_data->rawinput.mouse.x;
rawinput->data.mouse.lLastY = msg_data->rawinput.mouse.y;
rawinput->data.mouse.ulExtraInformation = msg_data->info;
}
else if (msg_data->rawinput.type == RIM_TYPEKEYBOARD)
{
rawinput->header.dwSize = FIELD_OFFSET(RAWINPUT, data) + sizeof(RAWKEYBOARD);
rawinput->header.hDevice = WINE_KEYBOARD_HANDLE;
rawinput->header.wParam = 0;
rawinput->data.keyboard.MakeCode = msg_data->rawinput.kbd.scan;
rawinput->data.keyboard.Flags = (msg_data->flags & KEYEVENTF_KEYUP) ? RI_KEY_BREAK : RI_KEY_MAKE;
if (msg_data->flags & KEYEVENTF_EXTENDEDKEY)
rawinput->data.keyboard.Flags |= RI_KEY_E0;
rawinput->data.keyboard.Reserved = 0;
switch (msg_data->rawinput.kbd.vkey)
{
case VK_LSHIFT:
case VK_RSHIFT:
rawinput->data.keyboard.VKey = VK_SHIFT;
rawinput->data.keyboard.Flags &= ~RI_KEY_E0;
break;
case VK_LCONTROL:
case VK_RCONTROL:
rawinput->data.keyboard.VKey = VK_CONTROL;
break;
case VK_LMENU:
case VK_RMENU:
rawinput->data.keyboard.VKey = VK_MENU;
break;
default:
rawinput->data.keyboard.VKey = msg_data->rawinput.kbd.vkey;
break;
}
rawinput->data.keyboard.Message = msg_data->rawinput.kbd.message;
rawinput->data.keyboard.ExtraInformation = msg_data->info;
}
else if (msg_data->rawinput.type == RIM_TYPEHID)
{
size = msg_data->size - sizeof(*msg_data);
if (size > rawinput->header.dwSize - sizeof(*rawinput)) return false;
rawinput->header.dwSize = FIELD_OFFSET( RAWINPUT, data.hid.bRawData ) + size;
rawinput->header.hDevice = ULongToHandle( msg_data->rawinput.hid.device );
rawinput->header.wParam = 0;
rawinput->data.hid.dwCount = msg_data->rawinput.hid.count;
rawinput->data.hid.dwSizeHid = msg_data->rawinput.hid.length;
memcpy( rawinput->data.hid.bRawData, msg_data + 1, size );
}
else
{
FIXME( "Unhandled rawinput type %#x.\n", msg_data->rawinput.type );
return false;
}
return true;
}
struct device
{
HANDLE file;
HANDLE handle;
struct list entry;
WCHAR path[MAX_PATH];
RID_DEVICE_INFO info;
struct hid_preparsed_data *data;
};
static RAWINPUTDEVICE *registered_devices;
static unsigned int registered_device_count;
static struct list devices = LIST_INIT( devices );
static pthread_mutex_t rawinput_mutex = PTHREAD_MUTEX_INITIALIZER;
static struct device *add_device( HKEY key, DWORD type )
{
static const WCHAR symbolic_linkW[] = {'S','y','m','b','o','l','i','c','L','i','n','k',0};
char value_buffer[offsetof(KEY_VALUE_PARTIAL_INFORMATION, Data[MAX_PATH * sizeof(WCHAR)])];
KEY_VALUE_PARTIAL_INFORMATION *value = (KEY_VALUE_PARTIAL_INFORMATION *)value_buffer;
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};
struct hid_preparsed_data *preparsed = NULL;
HID_COLLECTION_INFORMATION hid_info;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING string;
struct device *device;
RID_DEVICE_INFO info;
IO_STATUS_BLOCK io;
unsigned int status;
UINT32 handle;
void *buffer;
SIZE_T size;
HANDLE file;
WCHAR *path;
if (!query_reg_value( key, symbolic_linkW, value, sizeof(value_buffer) - sizeof(WCHAR) ))
{
ERR( "failed to get symbolic link value\n" );
return NULL;
}
memset( value->Data + value->DataLength, 0, sizeof(WCHAR) );
/* upper case everything but the GUID */
for (path = (WCHAR *)value->Data; *path && *path != '{'; path++) *path = towupper( *path );
path = (WCHAR *)value->Data;
/* path is in DOS format and begins with \\?\ prefix */
path[1] = '?';
RtlInitUnicodeString( &string, path );
InitializeObjectAttributes( &attr, &string, OBJ_CASE_INSENSITIVE, NULL, NULL );
if ((status = NtOpenFile( &file, GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, &attr, &io,
FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_NONALERT )))
{
ERR( "Failed to open device file %s, status %#x.\n", debugstr_w(path), status );
return NULL;
}
path[1] = '\\';
status = NtDeviceIoControlFile( file, NULL, NULL, NULL, &io, IOCTL_HID_GET_WINE_RAWINPUT_HANDLE,
NULL, 0, &handle, sizeof(handle) );
if (status)
{
ERR( "Failed to get raw input handle, status %#x.\n", status );
goto fail;
}
LIST_FOR_EACH_ENTRY( device, &devices, struct device, entry )
{
if (device->handle == UlongToHandle( handle ))
{
TRACE( "Ignoring already added device %#x / %s.\n", handle, debugstr_w(path) );
goto fail;
}
}
memset( &info, 0, sizeof(info) );
info.cbSize = sizeof(info);
info.dwType = type;
switch (type)
{
case RIM_TYPEHID:
status = NtDeviceIoControlFile( file, NULL, NULL, NULL, &io,
IOCTL_HID_GET_COLLECTION_INFORMATION,
NULL, 0, &hid_info, sizeof(hid_info) );
if (status)
{
ERR( "Failed to get collection information, status %#x.\n", status );
goto fail;
}
info.hid.dwVendorId = hid_info.VendorID;
info.hid.dwProductId = hid_info.ProductID;
info.hid.dwVersionNumber = hid_info.VersionNumber;
if (!(preparsed = malloc( hid_info.DescriptorSize )))
{
ERR( "Failed to allocate memory.\n" );
goto fail;
}
/* NtDeviceIoControlFile checks that the output buffer is writable using ntdll virtual
* memory protection information, we need an NtAllocateVirtualMemory allocated buffer.
*/
buffer = NULL;
size = hid_info.DescriptorSize;
if (!(status = NtAllocateVirtualMemory( GetCurrentProcess(), &buffer, 0, &size,
MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE )))
{
size = 0;
status = NtDeviceIoControlFile( file, NULL, NULL, NULL, &io,
IOCTL_HID_GET_COLLECTION_DESCRIPTOR,
NULL, 0, buffer, hid_info.DescriptorSize );
if (!status) memcpy( preparsed, buffer, hid_info.DescriptorSize );
NtFreeVirtualMemory( GetCurrentProcess(), &buffer, &size, MEM_RELEASE );
}
if (status)
{
ERR( "Failed to get collection descriptor, status %#x.\n", status );
goto fail;
}
info.hid.usUsagePage = preparsed->usage_page;
info.hid.usUsage = preparsed->usage;
break;
case RIM_TYPEMOUSE:
info.mouse = mouse_info;
break;
case RIM_TYPEKEYBOARD:
info.keyboard = keyboard_info;
break;
}
if (!(device = calloc( 1, sizeof(*device) )))
{
ERR( "Failed to allocate memory.\n" );
goto fail;
}
TRACE( "Adding device %#x / %s.\n", handle, debugstr_w(path) );
wcscpy( device->path, path );
device->file = file;
device->handle = ULongToHandle(handle);
device->info = info;
device->data = preparsed;
list_add_tail( &devices, &device->entry );
return device;
fail:
free( preparsed );
NtClose( file );
return NULL;
}
static const WCHAR device_classesW[] =
{
'\\','R','e','g','i','s','t','r','y',
'\\','M','a','c','h','i','n','e',
'\\','S','y','s','t','e','m',
'\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t',
'\\','C','o','n','t','r','o','l',
'\\','D','e','v','i','c','e','C','l','a','s','s','e','s','\\',0
};
static const WCHAR guid_devinterface_hidW[] =
{
'{','4','d','1','e','5','5','b','2','-','f','1','6','f','-','1','1','c','f',
'-','8','8','c','b','-','0','0','1','1','1','1','0','0','0','0','3','0','}',0
};
static const WCHAR guid_devinterface_keyboardW[] =
{
'{','8','8','4','b','9','6','c','3','-','5','6','e','f','-','1','1','d','1',
'-','b','c','8','c','-','0','0','a','0','c','9','1','4','0','5','d','d','}',0
};
static const WCHAR guid_devinterface_mouseW[] =
{
'{','3','7','8','d','e','4','4','c','-','5','6','e','f','-','1','1','d','1',
'-','b','c','8','c','-','0','0','a','0','c','9','1','4','0','5','d','d','}',0
};
static void enumerate_devices( DWORD type, const WCHAR *class )
{
WCHAR buffer[1024];
KEY_NODE_INFORMATION *subkey_info = (void *)buffer;
HKEY class_key, device_key, iface_key;
unsigned int i, j;
DWORD size;
wcscpy( buffer, device_classesW );
wcscat( buffer, class );
if (!(class_key = reg_open_key( NULL, buffer, wcslen( buffer ) * sizeof(WCHAR) )))
return;
for (i = 0; !NtEnumerateKey( class_key, i, KeyNodeInformation, buffer, sizeof(buffer), &size ); ++i)
{
if (!(device_key = reg_open_key( class_key, subkey_info->Name, subkey_info->NameLength )))
{
ERR( "failed to open %s\n", debugstr_wn(subkey_info->Name, subkey_info->NameLength / sizeof(WCHAR)) );
continue;
}
for (j = 0; !NtEnumerateKey( device_key, j, KeyNodeInformation, buffer, sizeof(buffer), &size ); ++j)
{
if (!(iface_key = reg_open_key( device_key, subkey_info->Name, subkey_info->NameLength )))
{
ERR( "failed to open %s\n", debugstr_wn(subkey_info->Name, subkey_info->NameLength / sizeof(WCHAR)) );
continue;
}
add_device( iface_key, type );
NtClose( iface_key );
}
NtClose( device_key );
}
NtClose( class_key );
}
static void rawinput_update_device_list(void)
{
struct device *device, *next;
TRACE( "\n" );
LIST_FOR_EACH_ENTRY_SAFE( device, next, &devices, struct device, entry )
{
list_remove( &device->entry );
NtClose( device->file );
free( device->data );
free( device );
}
enumerate_devices( RIM_TYPEMOUSE, guid_devinterface_mouseW );
enumerate_devices( RIM_TYPEKEYBOARD, guid_devinterface_keyboardW );
enumerate_devices( RIM_TYPEHID, guid_devinterface_hidW );
}
static struct device *find_device_from_handle( HANDLE handle )
{
struct device *device;
LIST_FOR_EACH_ENTRY( device, &devices, struct device, entry )
if (device->handle == handle) return device;
rawinput_update_device_list();
LIST_FOR_EACH_ENTRY( device, &devices, struct device, entry )
if (device->handle == handle) return device;
return NULL;
}
BOOL rawinput_device_get_usages( HANDLE handle, USAGE *usage_page, USAGE *usage )
{
struct device *device;
pthread_mutex_lock( &rawinput_mutex );
if (!(device = find_device_from_handle( handle )) || device->info.dwType != RIM_TYPEHID)
*usage_page = *usage = 0;
else
{
*usage_page = device->info.hid.usUsagePage;
*usage = device->info.hid.usUsage;
}
pthread_mutex_unlock( &rawinput_mutex );
return *usage_page || *usage;
}
/**********************************************************************
* NtUserGetRawInputDeviceList (win32u.@)
*/
UINT WINAPI NtUserGetRawInputDeviceList( RAWINPUTDEVICELIST *device_list, UINT *device_count, UINT size )
{
unsigned int count = 0, ticks = NtGetTickCount();
static unsigned int last_check;
struct device *device;
TRACE( "device_list %p, device_count %p, size %u.\n", device_list, device_count, size );
if (size != sizeof(*device_list))
{
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return ~0u;
}
if (!device_count)
{
RtlSetLastWin32Error( ERROR_NOACCESS );
return ~0u;
}
pthread_mutex_lock( &rawinput_mutex );
if (ticks - last_check > 2000)
{
last_check = ticks;
rawinput_update_device_list();
}
LIST_FOR_EACH_ENTRY( device, &devices, struct device, entry )
{
if (*device_count < ++count || !device_list) continue;
device_list->hDevice = device->handle;
device_list->dwType = device->info.dwType;
device_list++;
}
pthread_mutex_unlock( &rawinput_mutex );
if (!device_list)
{
*device_count = count;
return 0;
}
if (*device_count < count)
{
RtlSetLastWin32Error( ERROR_INSUFFICIENT_BUFFER );
*device_count = count;
return ~0u;
}
return count;
}
/**********************************************************************
* NtUserGetRawInputDeviceInfo (win32u.@)
*/
UINT WINAPI NtUserGetRawInputDeviceInfo( HANDLE handle, UINT command, void *data, UINT *data_size )
{
const struct hid_preparsed_data *preparsed;
struct device *device;
RID_DEVICE_INFO info;
DWORD len, data_len;
TRACE( "handle %p, command %#x, data %p, data_size %p.\n", handle, command, data, data_size );
if (!data_size)
{
RtlSetLastWin32Error( ERROR_NOACCESS );
return ~0u;
}
if (command != RIDI_DEVICENAME && command != RIDI_DEVICEINFO && command != RIDI_PREPARSEDDATA)
{
FIXME( "Command %#x not implemented!\n", command );
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return ~0u;
}
pthread_mutex_lock( &rawinput_mutex );
if (!(device = find_device_from_handle( handle )))
{
pthread_mutex_unlock( &rawinput_mutex );
RtlSetLastWin32Error( ERROR_INVALID_HANDLE );
return ~0u;
}
len = data_len = *data_size;
switch (command)
{
case RIDI_DEVICENAME:
if ((len = wcslen( device->path ) + 1) <= data_len && data)
memcpy( data, device->path, len * sizeof(WCHAR) );
*data_size = len;
break;
case RIDI_DEVICEINFO:
if ((len = sizeof(info)) <= data_len && data)
memcpy( data, &device->info, len );
*data_size = len;
break;
case RIDI_PREPARSEDDATA:
if (!(preparsed = device->data))
len = 0;
else
len = preparsed->caps_size + FIELD_OFFSET(struct hid_preparsed_data, value_caps[0]) +
preparsed->number_link_collection_nodes * sizeof(struct hid_collection_node);
if (preparsed && len <= data_len && data)
memcpy( data, preparsed, len );
*data_size = len;
break;
}
pthread_mutex_unlock( &rawinput_mutex );
if (!data)
return 0;
if (data_len < len)
{
RtlSetLastWin32Error( ERROR_INSUFFICIENT_BUFFER );
return ~0u;
}
return *data_size;
}
/**********************************************************************
* NtUserGetRawInputBuffer (win32u.@)
*/
UINT WINAPI NtUserGetRawInputBuffer( RAWINPUT *data, UINT *data_size, UINT header_size )
{
unsigned int count = 0, remaining, rawinput_size, next_size, overhead;
struct rawinput_thread_data *thread_data;
struct hardware_msg_data *msg_data;
RAWINPUT *rawinput;
int i;
if (NtCurrentTeb()->WowTebOffset)
rawinput_size = sizeof(RAWINPUT64);
else
rawinput_size = sizeof(RAWINPUT);
overhead = rawinput_size - sizeof(RAWINPUT);
if (header_size != sizeof(RAWINPUTHEADER))
{
WARN( "Invalid structure size %u.\n", header_size );
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return ~0u;
}
if (!data_size)
{
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return ~0u;
}
if (!data)
{
TRACE( "data %p, data_size %p (%u), header_size %u\n", data, data_size, *data_size, header_size );
SERVER_START_REQ( get_rawinput_buffer )
{
req->rawinput_size = rawinput_size;
req->buffer_size = 0;
if (wine_server_call( req )) return ~0u;
*data_size = reply->next_size;
}
SERVER_END_REQ;
return 0;
}
if (!(thread_data = get_rawinput_thread_data())) return ~0u;
rawinput = thread_data->buffer;
/* first RAWINPUT block in the buffer is used for WM_INPUT message data */
msg_data = (struct hardware_msg_data *)NEXTRAWINPUTBLOCK(rawinput);
SERVER_START_REQ( get_rawinput_buffer )
{
req->rawinput_size = rawinput_size;
req->buffer_size = *data_size;
wine_server_set_reply( req, msg_data, RAWINPUT_BUFFER_SIZE - rawinput->header.dwSize );
if (wine_server_call( req )) return ~0u;
next_size = reply->next_size;
count = reply->count;
}
SERVER_END_REQ;
remaining = *data_size;
for (i = 0; i < count; ++i)
{
data->header.dwSize = remaining;
if (!rawinput_from_hardware_message( data, msg_data )) break;
if (overhead)
{
memmove( (char *)&data->data + overhead, &data->data,
data->header.dwSize - sizeof(RAWINPUTHEADER) );
}
data->header.dwSize += overhead;
remaining -= data->header.dwSize;
data = NEXTRAWINPUTBLOCK(data);
msg_data = (struct hardware_msg_data *)((char *)msg_data + msg_data->size);
}
if (!next_size)
{
if (!count)
*data_size = 0;
else
next_size = rawinput_size;
}
if (next_size && *data_size <= next_size)
{
RtlSetLastWin32Error( ERROR_INSUFFICIENT_BUFFER );
*data_size = next_size;
count = ~0u;
}
TRACE( "data %p, data_size %p (%u), header_size %u, count %u\n",
data, data_size, *data_size, header_size, count );
return count;
}
/**********************************************************************
* NtUserGetRawInputData (win32u.@)
*/
UINT WINAPI NtUserGetRawInputData( HRAWINPUT rawinput, UINT command, void *data, UINT *data_size, UINT header_size )
{
struct rawinput_thread_data *thread_data;
UINT size;
TRACE( "rawinput %p, command %#x, data %p, data_size %p, header_size %u.\n",
rawinput, command, data, data_size, header_size );
if (!(thread_data = get_rawinput_thread_data()))
{
RtlSetLastWin32Error( ERROR_OUTOFMEMORY );
return ~0u;
}
if (!rawinput || thread_data->hw_id != (UINT_PTR)rawinput)
{
RtlSetLastWin32Error( ERROR_INVALID_HANDLE );
return ~0u;
}
if (header_size != sizeof(RAWINPUTHEADER))
{
WARN( "Invalid structure size %u.\n", header_size );
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return ~0u;
}
switch (command)
{
case RID_INPUT:
size = thread_data->buffer->header.dwSize;
break;
case RID_HEADER:
size = sizeof(RAWINPUTHEADER);
break;
default:
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return ~0u;
}
if (!data)
{
*data_size = size;
return 0;
}
if (*data_size < size)
{
RtlSetLastWin32Error( ERROR_INSUFFICIENT_BUFFER );
return ~0u;
}
memcpy( data, thread_data->buffer, size );
return size;
}
BOOL process_rawinput_message( MSG *msg, UINT hw_id, const struct hardware_msg_data *msg_data )
{
struct rawinput_thread_data *thread_data;
if (!(thread_data = get_rawinput_thread_data()))
return FALSE;
if (msg->message == WM_INPUT_DEVICE_CHANGE)
{
pthread_mutex_lock( &rawinput_mutex );
rawinput_update_device_list();
pthread_mutex_unlock( &rawinput_mutex );
}
else
{
thread_data->buffer->header.dwSize = RAWINPUT_BUFFER_SIZE;
if (!rawinput_from_hardware_message( thread_data->buffer, msg_data )) return FALSE;
thread_data->hw_id = hw_id;
msg->lParam = (LPARAM)hw_id;
}
msg->pt = point_phys_to_win_dpi( msg->hwnd, msg->pt );
return TRUE;
}
static void register_rawinput_device( const RAWINPUTDEVICE *device )
{
RAWINPUTDEVICE *pos, *end;
for (pos = registered_devices, end = pos + registered_device_count; pos != end; pos++)
{
if (pos->usUsagePage < device->usUsagePage) continue;
if (pos->usUsagePage > device->usUsagePage) break;
if (pos->usUsage >= device->usUsage) break;
}
if (device->dwFlags & RIDEV_REMOVE)
{
if (pos != end && pos->usUsagePage == device->usUsagePage && pos->usUsage == device->usUsage)
{
memmove( pos, pos + 1, (char *)end - (char *)(pos + 1) );
registered_device_count--;
}
}
else
{
if (pos == end || pos->usUsagePage != device->usUsagePage || pos->usUsage != device->usUsage)
{
memmove( pos + 1, pos, (char *)end - (char *)pos );
registered_device_count++;
}
*pos = *device;
}
}
/**********************************************************************
* NtUserRegisterRawInputDevices (win32u.@)
*/
BOOL WINAPI NtUserRegisterRawInputDevices( const RAWINPUTDEVICE *devices, UINT device_count, UINT device_size )
{
struct rawinput_device *server_devices;
RAWINPUTDEVICE *new_registered_devices;
SIZE_T size;
BOOL ret;
UINT i;
TRACE( "devices %p, device_count %u, device_size %u.\n", devices, device_count, device_size );
if (device_size != sizeof(RAWINPUTDEVICE))
{
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
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, (int)devices[i].dwFlags, devices[i].hwndTarget );
if ((devices[i].dwFlags & RIDEV_INPUTSINK) && !devices[i].hwndTarget)
{
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return FALSE;
}
if ((devices[i].dwFlags & RIDEV_REMOVE) && devices[i].hwndTarget)
{
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (devices[i].dwFlags & ~(RIDEV_REMOVE|RIDEV_NOLEGACY|RIDEV_INPUTSINK|RIDEV_DEVNOTIFY))
FIXME( "Unhandled flags %#x for device %u.\n", (int)devices[i].dwFlags, i );
}
pthread_mutex_lock( &rawinput_mutex );
if (!registered_device_count && !device_count)
{
pthread_mutex_unlock( &rawinput_mutex );
return TRUE;
}
size = (SIZE_T)device_size * (registered_device_count + device_count);
if (!(new_registered_devices = realloc( registered_devices, size )))
{
pthread_mutex_unlock( &rawinput_mutex );
RtlSetLastWin32Error( ERROR_OUTOFMEMORY );
return FALSE;
}
registered_devices = new_registered_devices;
for (i = 0; i < device_count; ++i) register_rawinput_device( devices + i );
if (!(device_count = registered_device_count)) server_devices = NULL;
else if (!(server_devices = malloc( device_count * sizeof(*server_devices) )))
{
pthread_mutex_unlock( &rawinput_mutex );
RtlSetLastWin32Error( ERROR_OUTOFMEMORY );
return FALSE;
}
for (i = 0; i < device_count; ++i)
{
server_devices[i].usage_page = registered_devices[i].usUsagePage;
server_devices[i].usage = registered_devices[i].usUsage;
server_devices[i].flags = registered_devices[i].dwFlags;
server_devices[i].target = wine_server_user_handle( registered_devices[i].hwndTarget );
}
SERVER_START_REQ( update_rawinput_devices )
{
wine_server_add_data( req, server_devices, device_count * sizeof(*server_devices) );
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
free( server_devices );
pthread_mutex_unlock( &rawinput_mutex );
return ret;
}
/**********************************************************************
* NtUserGetRegisteredRawInputDevices (win32u.@)
*/
UINT WINAPI NtUserGetRegisteredRawInputDevices( RAWINPUTDEVICE *devices, UINT *device_count, UINT device_size )
{
SIZE_T size, capacity;
TRACE( "devices %p, device_count %p, device_size %u\n", devices, device_count, device_size );
if (device_size != sizeof(RAWINPUTDEVICE) || !device_count || (devices && !*device_count))
{
RtlSetLastWin32Error( ERROR_INVALID_PARAMETER );
return ~0u;
}
pthread_mutex_lock( &rawinput_mutex );
capacity = *device_count * device_size;
*device_count = registered_device_count;
size = (SIZE_T)device_size * *device_count;
if (devices && capacity >= size) memcpy( devices, registered_devices, size );
pthread_mutex_unlock( &rawinput_mutex );
if (!devices) return 0;
if (capacity < size)
{
RtlSetLastWin32Error( ERROR_INSUFFICIENT_BUFFER );
return ~0u;
}
return *device_count;
}