From: "Rémi Bernon" <rbernon@codeweavers.com>
Subject: [PATCH 6/7] user32: Implement WM_INPUT/RIM_TYPEHID message handling.
Message-Id: <20190919120721.31604-7-rbernon@codeweavers.com>
Date: Thu, 19 Sep 2019 14:07:20 +0200
In-Reply-To: <20190919120721.31604-1-rbernon@codeweavers.com>
References: <20190919120721.31604-1-rbernon@codeweavers.com>

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
---
 dlls/user32/message.c      | 19 ++++++++++++++++++-
 dlls/user32/rawinput.c     | 37 +++++++++++++++++++++++++++++++++++++
 dlls/user32/user_private.h |  2 ++
 3 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/dlls/user32/message.c b/dlls/user32/message.c
index 43ce77c2dd6..ca2e01f45e5 100644
--- a/dlls/user32/message.c
+++ b/dlls/user32/message.c
@@ -2285,10 +2285,17 @@ static BOOL process_rawinput_message( MSG *msg, const struct hardware_msg_data *
 {
     struct user_thread_info *thread_info = get_user_thread_info();
     RAWINPUT *rawinput = thread_info->rawinput;
+    SIZE_T data_len = 0;
+
+    if (msg_data->rawinput.type == RIM_TYPEHID)
+    {
+        data_len = msg_data->rawinput.hid.length;
+        rawinput = thread_info->rawinput = HeapReAlloc( GetProcessHeap(), 0, rawinput, sizeof(*rawinput) + data_len );
+    }
 
     if (!rawinput)
     {
-        thread_info->rawinput = HeapAlloc( GetProcessHeap(), 0, sizeof(*rawinput) );
+        thread_info->rawinput = HeapAlloc( GetProcessHeap(), 0, sizeof(*rawinput) + data_len );
         if (!(rawinput = thread_info->rawinput)) return FALSE;
     }
 
@@ -2383,6 +2390,16 @@ static BOOL process_rawinput_message( MSG *msg, const struct hardware_msg_data *
         rawinput->data.keyboard.Message          = msg_data->rawinput.kbd.message;
         rawinput->data.keyboard.ExtraInformation = msg_data->info;
     }
+    else if (msg_data->rawinput.type == RIM_TYPEHID)
+    {
+        rawinput->header.dwSize  = FIELD_OFFSET(RAWINPUT, data.hid.bRawData) + data_len;
+        rawinput->header.hDevice = rawinput_handle_from_device_handle(wine_server_ptr_handle(msg_data->rawinput.hid.device));
+        rawinput->header.wParam  = 0;
+
+        rawinput->data.hid.dwSizeHid = data_len;
+        rawinput->data.hid.dwCount = 1;
+        memcpy(rawinput->data.hid.bRawData, msg_data + 1, data_len);
+    }
     else
     {
         FIXME("Unhandled rawinput type %#x.\n", msg_data->rawinput.type);
diff --git a/dlls/user32/rawinput.c b/dlls/user32/rawinput.c
index 94cf7a9a5d2..511f8ce1755 100644
--- a/dlls/user32/rawinput.c
+++ b/dlls/user32/rawinput.c
@@ -42,6 +42,7 @@ struct hid_device
 {
     WCHAR *path;
     HANDLE file;
+    HANDLE handle;
     RID_DEVICE_INFO_HID info;
     PHIDP_PREPARSED_DATA data;
 };
@@ -58,6 +59,8 @@ static CRITICAL_SECTION_DEBUG hid_devices_cs_debug =
 };
 static CRITICAL_SECTION hid_devices_cs = { &hid_devices_cs_debug, -1, 0, 0, 0, 0 };
 
+extern DWORD WINAPI GetFinalPathNameByHandleW(HANDLE file, LPWSTR path, DWORD charcount, DWORD flags);
+
 static BOOL array_reserve(void **elements, unsigned int *capacity, unsigned int count, unsigned int size)
 {
     unsigned int new_capacity, max_capacity;
@@ -137,10 +140,43 @@ static struct hid_device *add_device(HDEVINFO set, SP_DEVICE_INTERFACE_DATA *ifa
     device = &hid_devices[hid_devices_count++];
     device->path = path;
     device->file = file;
+    device->handle = INVALID_HANDLE_VALUE;
 
     return device;
 }
 
+HANDLE rawinput_handle_from_device_handle(HANDLE device)
+{
+    WCHAR buffer[sizeof(OBJECT_NAME_INFORMATION) + MAX_PATH + 1];
+    OBJECT_NAME_INFORMATION *info = (OBJECT_NAME_INFORMATION*)&buffer;
+    ULONG dummy;
+    unsigned int i;
+
+    for (i = 0; i < hid_devices_count; ++i)
+    {
+        if (hid_devices[i].handle == device)
+            return &hid_devices[i];
+    }
+
+    if (NtQueryObject( device, ObjectNameInformation, &buffer, sizeof(buffer) - sizeof(WCHAR), &dummy ) || !info->Name.Buffer)
+        return NULL;
+
+    /* replace \??\ with \\?\ to match hid_devices paths */
+    if (info->Name.Length > 1 && info->Name.Buffer[0] == '\\' && info->Name.Buffer[1] == '?')
+        info->Name.Buffer[1] = '\\';
+
+    for (i = 0; i < hid_devices_count; ++i)
+    {
+        if (strcmpW(hid_devices[i].path, info->Name.Buffer) == 0)
+        {
+            hid_devices[i].handle = device;
+            return &hid_devices[i];
+        }
+    }
+
+    return NULL;
+}
+
 static void find_hid_devices(void)
 {
     static ULONGLONG last_check;
@@ -413,6 +449,7 @@ UINT WINAPI GetRawInputDeviceInfoW(HANDLE device, UINT command, void *data, UINT
             device, command, data, data_size);
 
     if (!data_size) return ~0U;
+    if (!device) return ~0U;
 
     switch (command)
     {
diff --git a/dlls/user32/user_private.h b/dlls/user32/user_private.h
index c11aae707c9..60ceedf3a6a 100644
--- a/dlls/user32/user_private.h
+++ b/dlls/user32/user_private.h
@@ -371,4 +371,6 @@ static inline WCHAR *heap_strdupW(const WCHAR *src)
     return dst;
 }
 
+extern HANDLE rawinput_handle_from_device_handle(HANDLE device);
+
 #endif /* __WINE_USER_PRIVATE_H */

-- 
2.23.0