Rémi Bernon : server: Broadcast rawinput messages when desktop is NULL.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3481dc05e9193eeb614b3f7f0097117754f688e0
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=3481dc05e9193eeb614b3f7f0...

Author: Rémi Bernon 
Date:   Tue May 11 10:17:20 2021 +0200

server: Broadcast rawinput messages when desktop is NULL.

HID rawinput hardware messages are sent from winedevice.exe, which is
attached to the services desktop. We need to broadcast its messages to
all (interactive) desktops instead.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50506
Signed-off-by: Rémi Bernon 
Signed-off-by: Alexandre Julliard

---

server/queue.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/server/queue.c b/server/queue.c
index ef5aa02bdb3..73828fafbe6 100644
--- a/server/queue.c
+++ b/server/queue.c
@@ -1672,8 +1672,8 @@ static int queue_rawinput_message( struct process* process, void *arg )
     const struct rawinput_message* raw_msg = arg;
     const struct rawinput_device_entry *entry;
     const struct rawinput_device *device = NULL;
-    struct desktop *target_desktop = NULL;
-    struct thread *target_thread = NULL;
+    struct desktop *target_desktop = NULL, *desktop = NULL;
+    struct thread *target_thread = NULL, *foreground = NULL;
     struct message *msg;
     int wparam = RIM_INPUT;

@@ -1687,12 +1687,18 @@ static int queue_rawinput_message( struct process* process, void *arg )

if (raw_msg->message == WM_INPUT_DEVICE_CHANGE && !(device->flags & RIDEV_DEVNOTIFY)) return 0;

-    if (process != raw_msg->foreground->process)
+    if (raw_msg->desktop) desktop = (struct desktop *)grab_object( raw_msg->desktop );
+    else if (!(desktop = get_desktop_obj( process, process->desktop, 0 ))) goto done;
+
+    if (raw_msg->foreground) foreground = (struct thread *)grab_object( raw_msg->foreground );
+    else if (!(foreground = get_foreground_thread( desktop, 0 ))) goto done;
+
+    if (process != foreground->process)
     {
         if (!(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 != raw_msg->desktop) goto done;
+        if (target_desktop != desktop) goto done;
         wparam = RIM_INPUTSINK;
     }

@@ -1705,11 +1711,13 @@ static int queue_rawinput_message( struct process* process, void *arg )
     msg->lparam = 0;
     memcpy( msg->data, &raw_msg->data, sizeof(raw_msg->data) );

-    queue_hardware_message( raw_msg->desktop, msg, 1 );
+    queue_hardware_message( desktop, msg, 1 );

done:
     if (target_thread) release_object( target_thread );
     if (target_desktop) release_object( target_desktop );
+    if (foreground) release_object( foreground );
+    if (desktop) release_object( desktop );
     return 0;
 }