subsys/win32k/include/msgqueue.h

   1 #ifndef __WIN32K_MSGQUEUE_H
   2 #define __WIN32K_MSGQUEUE_H
   3
   4 #include <windows.h>
   5
   6 typedef struct _USER_MESSAGE
   7 {
   8   LIST_ENTRY ListEntry;
   9   MSG Msg;
  10 } USER_MESSAGE, *PUSER_MESSAGE;
  11
  12 struct _USER_MESSAGE_QUEUE;
  13
  14 typedef struct _USER_SENT_MESSAGE
  15 {
  16   LIST_ENTRY ListEntry;
  17   MSG Msg;
  18   PKEVENT CompletionEvent;
  19   LRESULT* Result;
  20   struct _USER_MESSAGE_QUEUE* CompletionQueue;
  21   SENDASYNCPROC CompletionCallback;
  22   ULONG_PTR CompletionCallbackContext;
  23 } USER_SENT_MESSAGE, *PUSER_SENT_MESSAGE;
  24
  25 typedef struct _USER_SENT_MESSAGE_NOTIFY
  26 {
  27   SENDASYNCPROC CompletionCallback;
  28   ULONG_PTR CompletionCallbackContext;
  29   LRESULT Result;
  30   HWND hWnd;
  31   UINT Msg;
  32   LIST_ENTRY ListEntry;
  33 } USER_SENT_MESSAGE_NOTIFY, *PUSER_SENT_MESSAGE_NOTIFY;
  34
  35 typedef struct _USER_MESSAGE_QUEUE
  36 {
  37   /* Queue of messages sent to the queue. */
  38   LIST_ENTRY SentMessagesListHead;
  39   /* Queue of messages posted to the queue. */
  40   LIST_ENTRY PostedMessagesListHead;
  41   /* Queue of sent-message notifies for the queue. */
  42   LIST_ENTRY NotifyMessagesListHead;
  43   /* Queue for hardware messages for the queue. */
  44   LIST_ENTRY HardwareMessagesListHead;
  45   /* Lock for the queue. */
  46   FAST_MUTEX Lock;
  47   /* True if a WM_QUIT message is pending. */
  48   BOOLEAN QuitPosted;
  49   /* The quit exit code. */
  50   ULONG QuitExitCode;
  51   /* Set if there are new messages in any of the queues. */
  52   KEVENT NewMessages;
  53   /* FIXME: Unknown. */
  54   ULONG QueueStatus;
  55   /* Current window with focus for this queue. */
  56   HWND FocusWindow;
  57   /* True if a window needs painting. */
  58   BOOLEAN PaintPosted;
  59   /* Count of paints pending. */
  60   ULONG PaintCount;
  61   /* Current active window for this queue. */
  62   HWND ActiveWindow;
  63   /* Current capture window for this queue. */
  64   HWND CaptureWindow;
  65 } USER_MESSAGE_QUEUE, *PUSER_MESSAGE_QUEUE;
  66
  67 VOID
  68 MsqSendMessage(PUSER_MESSAGE_QUEUE MessageQueue,
  69                PUSER_SENT_MESSAGE Message);
  70 VOID
  71 MsqInitializeMessage(PUSER_MESSAGE Message,
  72                      LPMSG Msg);
  73 PUSER_MESSAGE
  74 MsqCreateMessage(LPMSG Msg);
  75 VOID
  76 MsqDestroyMessage(PUSER_MESSAGE Message);
  77 VOID
  78 MsqPostMessage(PUSER_MESSAGE_QUEUE MessageQueue,
  79                PUSER_MESSAGE Message);
  80 BOOLEAN
  81 MsqFindMessage(IN PUSER_MESSAGE_QUEUE MessageQueue,
  82                IN BOOLEAN Hardware,
  83                IN BOOLEAN Remove,
  84                IN HWND Wnd,
  85                IN UINT MsgFilterLow,
  86                IN UINT MsgFilterHigh,
  87                OUT PUSER_MESSAGE* Message);
  88 VOID
  89 MsqInitializeMessageQueue(PUSER_MESSAGE_QUEUE MessageQueue);
  90 VOID
  91 MsqFreeMessageQueue(PUSER_MESSAGE_QUEUE MessageQueue);
  92 PUSER_MESSAGE_QUEUE
  93 MsqCreateMessageQueue(VOID);
  94 VOID
  95 MsqDestroyMessageQueue(PUSER_MESSAGE_QUEUE MessageQueue);
  96 PUSER_MESSAGE_QUEUE
  97 MsqGetHardwareMessageQueue(VOID);
  98 NTSTATUS
  99 MsqWaitForNewMessage(PUSER_MESSAGE_QUEUE MessageQueue);
 100 NTSTATUS
 101 MsqInitializeImpl(VOID);
 102 BOOLEAN
 103 MsqDispatchOneSentMessage(PUSER_MESSAGE_QUEUE MessageQueue);
 104 NTSTATUS
 105 MsqWaitForNewMessages(PUSER_MESSAGE_QUEUE MessageQueue);
 106 VOID
 107 MsqSendNotifyMessage(PUSER_MESSAGE_QUEUE MessageQueue,
 108                      PUSER_SENT_MESSAGE_NOTIFY NotifyMessage);
 109 VOID
 110 MsqIncPaintCountQueue(PUSER_MESSAGE_QUEUE Queue);
 111 VOID
 112 MsqDecPaintCountQueue(PUSER_MESSAGE_QUEUE Queue);
 113 LRESULT STDCALL
 114 W32kSendMessage(HWND hWnd,
 115                 UINT Msg,
 116                 WPARAM wParam,
 117                 LPARAM lParam,
 118                 BOOL KernelMessage);
 119 VOID
 120 MsqPostKeyboardMessage(UINT uMsg, WPARAM wParam, LPARAM lParam);
 121 VOID
 122 MsqInsertSystemMessage(MSG* Msg);
 123
 124 #define MAKE_LONG(x, y) ((((y) & 0xFFFF) << 16) | ((x) & 0xFFFF))
 125
 126 #endif /* __WIN32K_MSGQUEUE_H */
 127
 128 /* EOF */