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Merge WM_MOUSEMOVE messages.

This commit is contained in:
Alexandre Julliard 2001-07-11 17:29:01 +00:00
parent c3e8ac32d9
commit e630aa0b68
1 changed files with 29 additions and 2 deletions
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31
server/queue.c
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@ -183,6 +183,26 @@ inline static void unlink_message( struct message_list *list, struct message *ms
else list->first = msg->next;
}
/* try to merge a message with the last in the list; return 1 if successful */
static int merge_message( struct message_list *list, const struct message *msg )
{
struct message *prev = list->last;
if (!prev) return 0;
if (prev->result) return 0;
if (prev->win != msg->win) return 0;
if (prev->msg != msg->msg) return 0;
if (prev->type != msg->type) return 0;
/* now we can merge it */
prev->wparam = msg->wparam;
prev->lparam = msg->lparam;
prev->x = msg->x;
prev->y = msg->y;
prev->time = msg->time;
prev->info = msg->info;
return 1;
}
/* free a message when deleting a queue or window */
static void free_message( struct message *msg )
{
@ -686,8 +706,15 @@ DECL_HANDLER(send_message)
break;
case COOKED_HW_MESSAGE:
case RAW_HW_MESSAGE:
append_message( &recv_queue->msg_list[req->kind], msg );
change_queue_bits( recv_queue, get_hardware_msg_bit(msg), 0 );
if (msg->msg == WM_MOUSEMOVE && merge_message( &recv_queue->msg_list[req->kind], msg ))
{
free( msg );
}
else
{
append_message( &recv_queue->msg_list[req->kind], msg );
change_queue_bits( recv_queue, get_hardware_msg_bit(msg), 0 );
}
break;
default:
free( msg );