server: Implement WM_INPUT_DEVICE_CHANGE message dispatch.

dlls/user32/message.c

@@ -2289,11 +2289,14 @@ static void accept_hardware_message( UINT hw_id )
 static BOOL process_rawinput_message( MSG *msg, UINT hw_id, const struct hardware_msg_data *msg_data )
 {
     struct rawinput_thread_data *thread_data = rawinput_thread_data();
-    if (!rawinput_from_hardware_message( thread_data->buffer, msg_data ))
-        return FALSE;
 
-    thread_data->hw_id = hw_id;
-    msg->lParam = (LPARAM)hw_id;
+    if (msg->message == WM_INPUT)
+    {
+        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;
 }
@@ -2613,7 +2616,7 @@ static BOOL process_hardware_message( MSG *msg, UINT hw_id, const struct hardwar
     /* hardware messages are always in physical coords */
     context = SetThreadDpiAwarenessContext( DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE );
 
-    if (msg->message == WM_INPUT)
+    if (msg->message == WM_INPUT || msg->message == WM_INPUT_DEVICE_CHANGE)
         ret = process_rawinput_message( msg, hw_id, msg_data );
     else if (is_keyboard_message( msg->message ))
         ret = process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );

server/queue.c

@@ -1464,7 +1464,7 @@ static user_handle_t find_hardware_message_window( struct desktop *desktop, stru
 
     *thread = NULL;
     *msg_code = msg->msg;
-    if (msg->msg == WM_INPUT)
+    if (msg->msg == WM_INPUT || msg->msg == WM_INPUT_DEVICE_CHANGE)
     {
         if (!(win = msg->win) && input) win = input->focus;
     }
@@ -1553,7 +1553,7 @@ static void queue_hardware_message( struct desktop *desktop, struct message *msg
         if (msg->wparam == VK_SHIFT || msg->wparam == VK_LSHIFT || msg->wparam == VK_RSHIFT)
             msg->lparam &= ~(KF_EXTENDED << 16);
     }
-    else if (msg->msg != WM_INPUT)
+    else if (msg->msg != WM_INPUT && msg->msg != WM_INPUT_DEVICE_CHANGE)
     {
         if (msg->msg == WM_MOUSEMOVE)
         {
@@ -1695,7 +1695,7 @@ static int queue_rawinput_message( struct process* process, void *arg )
 
     if (process != foreground->process)
     {
-        if (!(device->flags & RIDEV_INPUTSINK)) goto done;
+        if (raw_msg->message == WM_INPUT && !(device->flags & RIDEV_INPUTSINK)) goto done;
         if (!(target_thread = get_window_thread( device->target ))) goto done;
         if (!(target_desktop = get_thread_desktop( target_thread, 0 ))) goto done;
         if (target_desktop != desktop) goto done;
@@ -1711,6 +1711,12 @@ static int queue_rawinput_message( struct process* process, void *arg )
     msg->lparam = 0;
     memcpy( msg->data, &raw_msg->data, sizeof(raw_msg->data) );
 
+    if (raw_msg->message == WM_INPUT_DEVICE_CHANGE && raw_msg->data.rawinput.type == RIM_TYPEHID)
+    {
+        msg->wparam = raw_msg->data.rawinput.hid.param;
+        msg->lparam = raw_msg->data.rawinput.hid.device;
+    }
+
     queue_hardware_message( desktop, msg, 1 );
 
 done:
@@ -1975,8 +1981,30 @@ static void queue_custom_hardware_message( struct desktop *desktop, user_handle_
                                            unsigned int origin, const hw_input_t *input )
 {
     struct hw_msg_source source = { IMDT_UNAVAILABLE, origin };
+    struct hardware_msg_data *msg_data;
+    struct rawinput_message raw_msg;
     struct message *msg;
 
+    switch (input->hw.msg)
+    {
+    case WM_INPUT_DEVICE_CHANGE:
+        raw_msg.foreground = NULL;
+        raw_msg.desktop    = NULL;
+        raw_msg.source     = source;
+        raw_msg.time       = get_tick_count();
+        raw_msg.message    = input->hw.msg;
+
+        msg_data = &raw_msg.data;
+        msg_data->info     = 0;
+        msg_data->flags    = 0;
+        msg_data->rawinput = input->hw.rawinput;
+
+        enum_processes( queue_rawinput_message, &raw_msg );
+
+        if (raw_msg.foreground) release_object( raw_msg.foreground );
+        return;
+    }
+
     if (!(msg = alloc_hardware_message( 0, source, get_tick_count() ))) return;
 
     msg->win       = get_user_full_handle( win );
@@ -2109,7 +2137,7 @@ static int get_hardware_message( struct thread *thread, unsigned int hw_id, user
 
         data->hw_id = msg->unique_id;
         set_reply_data( msg->data, msg->data_size );
-        if (msg->msg == WM_INPUT && (flags & PM_REMOVE))
+        if ((msg->msg == WM_INPUT || msg->msg == WM_INPUT_DEVICE_CHANGE) && (flags & PM_REMOVE))
             release_hardware_message( current->queue, data->hw_id );
         return 1;
     }