Alexandre Julliard : server: Optionally return the global key state when queueing a hardware message.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5a30e31806b8b2c2917670aaf9e2c5038bc625c6
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=5a30e31806b8b2c2917670aaf9...

Author: Alexandre Julliard 
Date:   Thu Dec 15 14:29:46 2011 +0100

server: Optionally return the global key state when queueing a hardware message.

---

include/wine/server_protocol.h |    3 ++-
 server/protocol.def            |    1 +
 server/queue.c                 |   12 ++++++++++--
 server/trace.c                 |    1 +
 4 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/include/wine/server_protocol.h b/include/wine/server_protocol.h
index ab239f3..5880b47 100644
--- a/include/wine/server_protocol.h
+++ b/include/wine/server_protocol.h
@@ -2796,6 +2796,7 @@ struct send_hardware_message_reply
 {
     struct reply_header __header;
     int             wait;
+    /* VARARG(keystate,bytes); */
     char __pad_12[4];
 };
 #define SEND_HWMSG_INJECTED    0x01
@@ -5639,6 +5640,6 @@ union generic_reply
     struct set_suspend_context_reply set_suspend_context_reply;
 };

-#define SERVER_PROTOCOL_VERSION 428
+#define SERVER_PROTOCOL_VERSION 429

#endif /* __WINE_WINE_SERVER_PROTOCOL_H */
diff --git a/server/protocol.def b/server/protocol.def
index a59bb6e..91a59b2 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -2032,6 +2032,7 @@ enum message_type
     unsigned int    flags;     /* flags (see below) */
 @REPLY
     int             wait;      /* do we need to wait for a reply? */
+    VARARG(keystate,bytes);    /* global state array for all the keys */
 @END
 #define SEND_HWMSG_INJECTED    0x01

diff --git a/server/queue.c b/server/queue.c
index 7de6d88..20d3e41 100644
--- a/server/queue.c
+++ b/server/queue.c
@@ -2189,13 +2189,20 @@ DECL_HANDLER(send_hardware_message)
     struct thread *thread = NULL;
     struct desktop *desktop;
     struct msg_queue *sender = get_current_queue();
+    data_size_t size = min( 256, get_reply_max_size() );
+
+    if (!(desktop = get_thread_desktop( current, 0 ))) return;

if (req->win)
     {
         if (!(thread = get_window_thread( req->win ))) return;
-        desktop = (struct desktop *)grab_object( thread->queue->input->desktop );
+        if (desktop != thread->queue->input->desktop)
+        {
+            /* don't allow queuing events to a different desktop */
+            release_object( desktop );
+            return;
+        }
     }
-    else if (!(desktop = get_thread_desktop( current, 0 ))) return;

switch (req->input.type)
     {
@@ -2212,6 +2219,7 @@ DECL_HANDLER(send_hardware_message)
         set_error( STATUS_INVALID_PARAMETER );
     }
     if (thread) release_object( thread );
+    set_reply_data( desktop->keystate, size );
     release_object( desktop );
 }

diff --git a/server/trace.c b/server/trace.c
index e463229..4a50232 100644
--- a/server/trace.c
+++ b/server/trace.c
@@ -2452,6 +2452,7 @@ static void dump_send_hardware_message_request( const struct send_hardware_messa
 static void dump_send_hardware_message_reply( const struct send_hardware_message_reply *req )
 {
     fprintf( stderr, " wait=%d", req->wait );
+    dump_varargs_bytes( ", keystate=", cur_size );
 }

static void dump_get_message_request( const struct get_message_request *req )