ReactOS  0.4.14-dev-608-gd495a4f
msgqueue.c File Reference
#include <win32k.h>
Include dependency graph for msgqueue.c:

Go to the source code of this file.

Functions

 DBG_DEFAULT_CHANNEL (UserMsgQ)
 
INIT_FUNCTION NTSTATUS NTAPI MsqInitializeImpl (VOID)
 
PWND FASTCALL IntTopLevelWindowFromPoint (INT x, INT y)
 
PCURICON_OBJECT FASTCALL UserSetCursor (PCURICON_OBJECT NewCursor, BOOL ForceChange)
 
int UserShowCursor (BOOL bShow)
 
DWORD FASTCALL UserGetKeyState (DWORD dwKey)
 
static VOID UpdateKeyState (PUSER_MESSAGE_QUEUE MessageQueue, WORD wVk, BOOL bIsDown)
 
static VOID UpdateKeyStateFromMsg (PUSER_MESSAGE_QUEUE MessageQueue, MSG *msg)
 
WPARAM FASTCALL MsqGetDownKeyState (PUSER_MESSAGE_QUEUE MessageQueue)
 
HANDLE FASTCALL IntMsqSetWakeMask (DWORD WakeMask)
 
BOOL FASTCALL IntMsqClearWakeMask (VOID)
 
VOID FASTCALL MsqWakeQueue (PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
 
VOID FASTCALL ClearMsgBitsMask (PTHREADINFO pti, UINT MessageBits)
 
VOID FASTCALL MsqIncPaintCountQueue (PTHREADINFO pti)
 
VOID FASTCALL MsqDecPaintCountQueue (PTHREADINFO pti)
 
VOID FASTCALL MsqPostMouseMove (PTHREADINFO pti, MSG *Msg, LONG_PTR ExtraInfo)
 
VOID FASTCALL IntCoalesceMouseMove (PTHREADINFO pti)
 
VOID FASTCALL co_MsqInsertMouseMessage (MSG *Msg, DWORD flags, ULONG_PTR dwExtraInfo, BOOL Hook)
 
PUSER_MESSAGE FASTCALL MsqCreateMessage (LPMSG Msg)
 
VOID FASTCALL MsqDestroyMessage (PUSER_MESSAGE Message)
 
PUSER_SENT_MESSAGE FASTCALL AllocateUserMessage (BOOL KEvent)
 
VOID FASTCALL FreeUserMessage (PUSER_SENT_MESSAGE Message)
 
VOID APIENTRY MsqRemoveWindowMessagesFromQueue (PWND Window)
 
BOOLEAN FASTCALL co_MsqDispatchOneSentMessage (_In_ PTHREADINFO pti)
 
BOOL FASTCALL co_MsqSendMessageAsync (PTHREADINFO ptiReceiver, HWND hwnd, UINT Msg, WPARAM wParam, LPARAM lParam, SENDASYNCPROC CompletionCallback, ULONG_PTR CompletionCallbackContext, BOOL HasPackedLParam, INT HookMessage)
 
NTSTATUS FASTCALL co_MsqSendMessage (PTHREADINFO ptirec, HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam, UINT uTimeout, BOOL Block, INT HookMessage, ULONG_PTR *uResult)
 
VOID FASTCALL MsqPostMessage (PTHREADINFO pti, MSG *Msg, BOOLEAN HardwareMessage, DWORD MessageBits, DWORD dwQEvent, LONG_PTR ExtraInfo)
 
VOID FASTCALL MsqPostQuitMessage (PTHREADINFO pti, ULONG ExitCode)
 
static void MsqSendParentNotify (PWND pwnd, WORD event, WORD idChild, POINT pt)
 
VOID FASTCALL IntTrackMouseMove (PWND pwndTrack, PDESKTOP pDesk, PMSG msg, USHORT hittest)
 
BOOL co_IntProcessMouseMessage (MSG *msg, BOOL *RemoveMessages, BOOL *NotForUs, LONG_PTR ExtraInfo, UINT first, UINT last)
 
BOOL co_IntProcessKeyboardMessage (MSG *Msg, BOOL *RemoveMessages)
 
BOOL co_IntProcessHardwareMessage (MSG *Msg, BOOL *RemoveMessages, BOOL *NotForUs, LONG_PTR ExtraInfo, UINT first, UINT last)
 
static INT FASTCALL filter_contains_hw_range (UINT first, UINT last)
 
static BOOL is_mouse_message (UINT message)
 
BOOL APIENTRY co_MsqPeekHardwareMessage (IN PTHREADINFO pti, IN BOOL Remove, IN PWND Window, IN UINT MsgFilterLow, IN UINT MsgFilterHigh, IN UINT QSflags, OUT MSG *pMsg)
 
BOOLEAN APIENTRY MsqPeekMessage (IN PTHREADINFO pti, IN BOOLEAN Remove, IN PWND Window, IN UINT MsgFilterLow, IN UINT MsgFilterHigh, IN UINT QSflags, OUT LONG_PTR *ExtraInfo, OUT DWORD *dwQEvent, OUT PMSG Message)
 
NTSTATUS FASTCALL co_MsqWaitForNewMessages (PTHREADINFO pti, PWND WndFilter, UINT MsgFilterMin, UINT MsgFilterMax)
 
BOOL FASTCALL MsqIsHung (PTHREADINFO pti)
 
BOOL FASTCALL IsThreadSuspended (PTHREADINFO pti)
 
VOID CALLBACK HungAppSysTimerProc (HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
 
BOOLEAN FASTCALL MsqInitializeMessageQueue (PTHREADINFO pti, PUSER_MESSAGE_QUEUE MessageQueue)
 
VOID FASTCALL MsqCleanupThreadMsgs (PTHREADINFO pti)
 
VOID FASTCALL MsqCleanupMessageQueue (PTHREADINFO pti)
 
PUSER_MESSAGE_QUEUE FASTCALL MsqCreateMessageQueue (PTHREADINFO pti)
 
VOID FASTCALL MsqDestroyMessageQueue (_In_ PTHREADINFO pti)
 
LPARAM FASTCALL MsqSetMessageExtraInfo (LPARAM lParam)
 
LPARAM FASTCALL MsqGetMessageExtraInfo (VOID)
 
BOOL FASTCALL co_MsqReplyMessage (LRESULT lResult)
 
HWND FASTCALL MsqSetStateWindow (PTHREADINFO pti, ULONG Type, HWND hWnd)
 
SHORT APIENTRY NtUserGetKeyState (INT key)
 
DWORD APIENTRY NtUserGetKeyboardState (LPBYTE lpKeyState)
 
BOOL APIENTRY NtUserSetKeyboardState (LPBYTE pKeyState)
 

Variables

static PPAGED_LOOKASIDE_LIST pgMessageLookasideList
 
static PPAGED_LOOKASIDE_LIST pgSendMsgLookasideList
 
INT PostMsgCount = 0
 
INT SendMsgCount = 0
 
PUSER_MESSAGE_QUEUE gpqCursor
 
ULONG_PTR gdwMouseMoveExtraInfo = 0
 
DWORD gdwMouseMoveTimeStamp = 0
 
LIST_ENTRY usmList
 

Function Documentation

◆ AllocateUserMessage()

PUSER_SENT_MESSAGE FASTCALL AllocateUserMessage ( BOOL  KEvent)

Definition at line 763 of file msgqueue.c.

764 {
766 
767  if(!(Message = ExAllocateFromPagedLookasideList(pgSendMsgLookasideList)))
768  {
769  ERR("AllocateUserMessage(): Not enough memory to allocate a message");
770  return NULL;
771  }
773 
774  if (KEvent)
775  {
776  Message->pkCompletionEvent = &Message->CompletionEvent;
777 
778  KeInitializeEvent(Message->pkCompletionEvent, NotificationEvent, FALSE);
779  }
780  SendMsgCount++;
781  TRACE("AUM pti %p msg %p\n",PsGetCurrentThreadWin32Thread(),Message);
782  return Message;
783 }
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
INT SendMsgCount
Definition: msgqueue.c:19
smooth NULL
Definition: ftsmooth.c:416
#define TRACE(s)
Definition: solgame.cpp:4
CHAR Message[80]
Definition: alive.c:5
#define ERR(fmt,...)
Definition: debug.h:109
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
static PPAGED_LOOKASIDE_LIST pgSendMsgLookasideList
Definition: msgqueue.c:17
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261

Referenced by co_IntSendMessageWithCallBack(), co_MsqSendMessage(), and co_MsqSendMessageAsync().

◆ ClearMsgBitsMask()

VOID FASTCALL ClearMsgBitsMask ( PTHREADINFO  pti,
UINT  MessageBits 
)

Definition at line 445 of file msgqueue.c.

446 {
447  UINT ClrMask = 0;
448 
449  if (MessageBits & QS_KEY)
450  {
451  if (--pti->nCntsQBits[QSRosKey] == 0) ClrMask |= QS_KEY;
452  }
453  if (MessageBits & QS_MOUSEMOVE)
454  { // Account for tracking mouse moves..
455  if (pti->nCntsQBits[QSRosMouseMove])
456  {
457  pti->nCntsQBits[QSRosMouseMove] = 0; // Throttle down count. Up to > 3:1 entries are ignored.
458  ClrMask |= QS_MOUSEMOVE;
459  }
460  }
461  if (MessageBits & QS_MOUSEBUTTON)
462  {
463  if (--pti->nCntsQBits[QSRosMouseButton] == 0) ClrMask |= QS_MOUSEBUTTON;
464  }
465  if (MessageBits & QS_POSTMESSAGE)
466  {
467  if (--pti->nCntsQBits[QSRosPostMessage] == 0) ClrMask |= QS_POSTMESSAGE;
468  }
469  if (MessageBits & QS_TIMER) // ReactOS hard coded.
470  { // Handle timer bits here.
471  if ( pti->cTimersReady )
472  {
473  if (--pti->cTimersReady == 0) ClrMask |= QS_TIMER;
474  }
475  }
476  if (MessageBits & QS_PAINT) // ReactOS hard coded.
477  { // Handle paint bits here.
478  if ( pti->cPaintsReady )
479  {
480  if (--pti->cPaintsReady == 0) ClrMask |= QS_PAINT;
481  }
482  }
483  if (MessageBits & QS_SENDMESSAGE)
484  {
485  if (--pti->nCntsQBits[QSRosSendMessage] == 0) ClrMask |= QS_SENDMESSAGE;
486  }
487  if (MessageBits & QS_HOTKEY)
488  {
489  if (--pti->nCntsQBits[QSRosHotKey] == 0) ClrMask |= QS_HOTKEY;
490  }
491  if (MessageBits & QS_EVENT)
492  {
493  if (--pti->nCntsQBits[QSRosEvent] == 0) ClrMask |= QS_EVENT;
494  }
495 
496  pti->pcti->fsWakeBits &= ~ClrMask;
497  pti->pcti->fsChangeBits &= ~ClrMask;
498 }
UINT cPaintsReady
Definition: win32.h:108
#define QS_TIMER
Definition: winuser.h:893
Definition: win32.h:40
UINT cTimersReady
Definition: win32.h:109
#define QS_HOTKEY
Definition: winuser.h:877
#define QS_SENDMESSAGE
Definition: winuser.h:892
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
DWORD nCntsQBits[QSIDCOUNTS]
Definition: win32.h:147
#define QS_EVENT
Definition: undocuser.h:95
#define QS_MOUSEMOVE
Definition: winuser.h:886
#define QS_POSTMESSAGE
Definition: winuser.h:888
unsigned int UINT
Definition: ndis.h:50
#define QS_MOUSEBUTTON
Definition: winuser.h:885
#define QS_PAINT
Definition: winuser.h:887
#define QS_KEY
Definition: winuser.h:883

Referenced by co_IntPeekMessage(), co_MsqDispatchOneSentMessage(), co_MsqPeekHardwareMessage(), co_MsqSendMessage(), FindRemoveEventMsg(), MsqDecPaintCountQueue(), MsqPeekMessage(), MsqRemoveWindowMessagesFromQueue(), and PostTimerMessages().

◆ co_IntProcessHardwareMessage()

BOOL co_IntProcessHardwareMessage ( MSG Msg,
BOOL RemoveMessages,
BOOL NotForUs,
LONG_PTR  ExtraInfo,
UINT  first,
UINT  last 
)

Definition at line 1954 of file msgqueue.c.

1955 {
1956  if ( IS_MOUSE_MESSAGE(Msg->message))
1957  {
1958  return co_IntProcessMouseMessage(Msg, RemoveMessages, NotForUs, ExtraInfo, first, last);
1959  }
1960  else if ( IS_KBD_MESSAGE(Msg->message))
1961  {
1962  return co_IntProcessKeyboardMessage(Msg, RemoveMessages);
1963  }
1964 
1965  return TRUE;
1966 }
#define IS_KBD_MESSAGE(message)
Definition: msgqueue.h:246
#define TRUE
Definition: types.h:120
POINT last
Definition: font.c:46
const GLint * first
Definition: glext.h:5794
struct @1591 Msg[]
#define IS_MOUSE_MESSAGE(message)
Definition: msgqueue.h:242
BOOL co_IntProcessKeyboardMessage(MSG *Msg, BOOL *RemoveMessages)
Definition: msgqueue.c:1765
BOOL co_IntProcessMouseMessage(MSG *msg, BOOL *RemoveMessages, BOOL *NotForUs, LONG_PTR ExtraInfo, UINT first, UINT last)
Definition: msgqueue.c:1471

Referenced by co_MsqPeekHardwareMessage().

◆ co_IntProcessKeyboardMessage()

BOOL co_IntProcessKeyboardMessage ( MSG Msg,
BOOL RemoveMessages 
)

Definition at line 1765 of file msgqueue.c.

1766 {
1767  EVENTMSG Event;
1769  PWND pWnd;
1770  UINT ImmRet;
1771  BOOL Ret = TRUE;
1772  WPARAM wParam = Msg->wParam;
1774 
1775  if (Msg->message == VK_PACKET)
1776  {
1777  pti->wchInjected = HIWORD(Msg->wParam);
1778  }
1779 
1780  if (Msg->message == WM_KEYDOWN || Msg->message == WM_SYSKEYDOWN ||
1781  Msg->message == WM_KEYUP || Msg->message == WM_SYSKEYUP)
1782  {
1783  switch (Msg->wParam)
1784  {
1785  case VK_LSHIFT: case VK_RSHIFT:
1786  Msg->wParam = VK_SHIFT;
1787  break;
1788  case VK_LCONTROL: case VK_RCONTROL:
1789  Msg->wParam = VK_CONTROL;
1790  break;
1791  case VK_LMENU: case VK_RMENU:
1792  Msg->wParam = VK_MENU;
1793  break;
1794  }
1795  }
1796 
1797  pWnd = ValidateHwndNoErr(Msg->hwnd);
1798  if (pWnd) UserRefObjectCo(pWnd, &Ref);
1799 
1800  Event.message = Msg->message;
1801  Event.hwnd = Msg->hwnd;
1802  Event.time = Msg->time;
1803  Event.paramL = (Msg->wParam & 0xFF) | (HIWORD(Msg->lParam) << 8);
1804  Event.paramH = Msg->lParam & 0x7FFF;
1805  if (HIWORD(Msg->lParam) & 0x0100) Event.paramH |= 0x8000;
1807 
1808  if (*RemoveMessages)
1809  {
1810  if ((Msg->message == WM_KEYDOWN) &&
1811  (Msg->hwnd != IntGetDesktopWindow()))
1812  {
1813  /* Handle F1 key by sending out WM_HELP message */
1814  if (Msg->wParam == VK_F1)
1815  {
1816  UserPostMessage( Msg->hwnd, WM_KEYF1, 0, 0 );
1817  }
1818  else if (Msg->wParam >= VK_BROWSER_BACK &&
1819  Msg->wParam <= VK_LAUNCH_APP2)
1820  {
1821  /* FIXME: Process keystate */
1822  co_IntSendMessage(Msg->hwnd, WM_APPCOMMAND, (WPARAM)Msg->hwnd, MAKELPARAM(0, (FAPPCOMMAND_KEY | (Msg->wParam - VK_BROWSER_BACK + 1))));
1823  }
1824  }
1825  else if (Msg->message == WM_KEYUP)
1826  {
1827  /* Handle VK_APPS key by posting a WM_CONTEXTMENU message */
1828  if (Msg->wParam == VK_APPS && pti->MessageQueue->MenuOwner == NULL)
1829  UserPostMessage( Msg->hwnd, WM_CONTEXTMENU, (WPARAM)Msg->hwnd, -1 );
1830  }
1831  }
1832 
1834  if ( *RemoveMessages && Msg->message == WM_SYSKEYDOWN )
1835  {
1836  if ( HIWORD(Msg->lParam) & KF_ALTDOWN )
1837  {
1838  if ( Msg->wParam == VK_ESCAPE || Msg->wParam == VK_TAB ) // Alt-Tab/ESC Alt-Shift-Tab/ESC
1839  {
1840  WPARAM wParamTmp;
1841 
1842  wParamTmp = UserGetKeyState(VK_SHIFT) & 0x8000 ? SC_PREVWINDOW : SC_NEXTWINDOW;
1843  TRACE("Send WM_SYSCOMMAND Alt-Tab/ESC Alt-Shift-Tab/ESC\n");
1844  co_IntSendMessage( Msg->hwnd, WM_SYSCOMMAND, wParamTmp, Msg->wParam );
1845 
1847  Ret = FALSE;
1849  goto Exit;
1850  }
1851  }
1852  }
1853 
1854  if ( *RemoveMessages && (Msg->message == WM_SYSKEYDOWN || Msg->message == WM_KEYDOWN) )
1855  {
1856  if (gdwLanguageToggleKey < 3)
1857  {
1858  if (IS_KEY_DOWN(gafAsyncKeyState, gdwLanguageToggleKey == 1 ? VK_LMENU : VK_CONTROL)) // L Alt 1 or Ctrl 2 .
1859  {
1860  if ( wParam == VK_LSHIFT ) gLanguageToggleKeyState = INPUTLANGCHANGE_FORWARD; // Left Alt - Left Shift, Next
1862  if ( wParam == VK_RSHIFT ) gLanguageToggleKeyState = INPUTLANGCHANGE_BACKWARD; // Left Alt - Right Shift, Previous
1863  }
1864  }
1865  }
1866 
1868  if ( *RemoveMessages && (Msg->message == WM_SYSKEYUP || Msg->message == WM_KEYUP) )
1869  {
1870  // When initializing win32k: Reading from the registry hotkey combination
1871  // to switch the keyboard layout and store it to global variable.
1872  // Using this combination of hotkeys in this function
1873 
1874  if ( gdwLanguageToggleKey < 3 &&
1876  {
1877  if ( Msg->wParam == VK_SHIFT && !(IS_KEY_DOWN(gafAsyncKeyState, VK_SHIFT)))
1878  {
1879  WPARAM wParamILR;
1880  PKL pkl = pti->KeyboardLayout;
1881 
1882  if (pWnd) UserDerefObjectCo(pWnd);
1883 
1885  if (!(pWnd = pti->MessageQueue->spwndFocus))
1886  {
1887  pWnd = pti->MessageQueue->spwndActive;
1888  }
1889  if (pWnd) UserRefObjectCo(pWnd, &Ref);
1890 
1891  if (pkl != NULL && gLanguageToggleKeyState)
1892  {
1893  TRACE("Posting WM_INPUTLANGCHANGEREQUEST KeyState %d\n", gLanguageToggleKeyState );
1894 
1895  wParamILR = gLanguageToggleKeyState;
1896  // If system character set and font signature send flag.
1897  if ( gSystemFS & pkl->dwFontSigs )
1898  {
1899  wParamILR |= INPUTLANGCHANGE_SYSCHARSET;
1900  }
1901 
1903  WM_INPUTLANGCHANGEREQUEST,
1904  wParamILR,
1905  (LPARAM)pkl->hkl );
1906 
1909  Ret = FALSE;
1911  goto Exit;
1912  }
1913  }
1914  }
1915  }
1916 
1918  *RemoveMessages ? HC_ACTION : HC_NOREMOVE,
1919  LOWORD(Msg->wParam),
1920  Msg->lParam))
1921  {
1922  /* skip this message */
1925  LOWORD(Msg->wParam),
1926  Msg->lParam );
1927 
1928  ERR("KeyboardMessage WH_KEYBOARD Call Hook return!\n");
1929 
1930  *RemoveMessages = TRUE;
1931 
1932  Ret = FALSE;
1933  }
1934 
1935  if ( pWnd && Ret && *RemoveMessages && Msg->message == WM_KEYDOWN && !(pti->TIF_flags & TIF_DISABLEIME))
1936  {
1937  if ( (ImmRet = IntImmProcessKey(pti->MessageQueue, pWnd, Msg->message, Msg->wParam, Msg->lParam)) )
1938  {
1939  if ( ImmRet & (IPHK_HOTKEY|IPHK_SKIPTHISKEY) )
1940  {
1941  ImmRet = 0;
1942  }
1943  if ( ImmRet & IPHK_PROCESSBYIME )
1944  {
1945  Msg->wParam = VK_PROCESSKEY;
1946  }
1947  }
1948  }
1949 Exit:
1950  if (pWnd) UserDerefObjectCo(pWnd);
1951  return Ret;
1952 }
BYTE gafAsyncKeyState[256 *2/8]
Definition: keyboard.c:13
BOOL FASTCALL UserPostMessage(HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1181
#define TRUE
Definition: types.h:120
#define VK_PROCESSKEY
Definition: winuser.h:2302
PWND FASTCALL ValidateHwndNoErr(HWND hWnd)
Definition: window.c:96
#define WM_CONTEXTMENU
Definition: richedit.h:64
#define VK_RMENU
Definition: winuser.h:2262
#define VK_LSHIFT
Definition: winuser.h:2257
FLONG TIF_flags
Definition: win32.h:94
#define MAKELPARAM(l, h)
Definition: winuser.h:3983
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
struct @1591 Msg[]
static __inline VOID UserRefObjectCo(PVOID obj, PUSER_REFERENCE_ENTRY UserReferenceEntry)
Definition: object.h:25
#define HC_NOREMOVE
Definition: winuser.h:51
UINT_PTR WPARAM
Definition: windef.h:207
#define VK_TAB
Definition: winuser.h:2174
#define VK_MENU
Definition: winuser.h:2179
#define VK_ESCAPE
Definition: winuser.h:2189
WPARAM wParam
Definition: combotst.c:138
DWORD FASTCALL UserGetKeyState(DWORD dwKey)
Definition: msgqueue.c:221
#define HCBT_KEYSKIPPED
Definition: winuser.h:62
#define IPHK_PROCESSBYIME
Definition: undocuser.h:138
unsigned int BOOL
Definition: ntddk_ex.h:94
static __inline VOID UserDerefObjectCo(PVOID obj)
Definition: object.h:38
_In_ PVOID _In_ ULONG Event
Definition: iotypes.h:435
#define VK_SHIFT
Definition: winuser.h:2177
Definition: object.h:3
DWORD gSystemFS
Definition: kbdlayout.c:22
smooth NULL
Definition: ftsmooth.c:416
Definition: input.h:26
#define WM_KEYDOWN
Definition: winuser.h:1697
LONG_PTR LPARAM
Definition: windef.h:208
#define WH_CBT
Definition: winuser.h:35
#define WH_JOURNALRECORD
Definition: winuser.h:30
#define TIF_DISABLEIME
Definition: ntuser.h:265
int gLanguageToggleKeyState
Definition: keyboard.c:18
#define WM_APPCOMMAND
Definition: winuser.h:1864
#define UserHMGetHandle(obj)
Definition: ntuser.h:208
#define TRACE(s)
Definition: solgame.cpp:4
#define VK_APPS
Definition: winuser.h:2212
static void Exit(void)
Definition: sock.c:1331
HKL hkl
Definition: input.h:32
#define WM_KEYUP
Definition: winuser.h:1698
#define SC_PREVWINDOW
Definition: winuser.h:2566
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
LRESULT FASTCALL co_IntSendMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1281
#define VK_RCONTROL
Definition: winuser.h:2260
#define VK_LMENU
Definition: winuser.h:2261
#define VK_RSHIFT
Definition: winuser.h:2258
DWORD dwFontSigs
Definition: input.h:34
struct tagKL * KeyboardLayout
Definition: win32.h:89
#define ERR(fmt,...)
Definition: debug.h:109
Definition: ntuser.h:657
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
HWND FASTCALL IntGetDesktopWindow(VOID)
Definition: desktop.c:1338
#define HC_ACTION
Definition: winuser.h:48
#define WM_SYSKEYUP
Definition: winuser.h:1702
#define IPHK_SKIPTHISKEY
Definition: undocuser.h:140
WCHAR wchInjected
Definition: win32.h:133
unsigned int UINT
Definition: ndis.h:50
#define KF_ALTDOWN
Definition: winuser.h:2424
#define VK_F1
Definition: winuser.h:2230
#define VK_CONTROL
Definition: winuser.h:2178
UINT FASTCALL IntImmProcessKey(PUSER_MESSAGE_QUEUE MessageQueue, PWND pWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: ime.c:14
#define IPHK_HOTKEY
Definition: undocuser.h:137
#define WH_KEYBOARD
Definition: winuser.h:32
#define WM_SYSKEYDOWN
Definition: winuser.h:1701
#define HIWORD(l)
Definition: typedefs.h:246
#define IS_KEY_DOWN(ks, vk)
Definition: input.h:98
#define SC_NEXTWINDOW
Definition: winuser.h:2565
#define VK_LCONTROL
Definition: winuser.h:2259
#define WM_SYSCOMMAND
Definition: winuser.h:1723
#define LOWORD(l)
Definition: pedump.c:82
#define WM_KEYF1
Definition: msg.c:52
DWORD gdwLanguageToggleKey
Definition: keyboard.c:19

Referenced by co_IntProcessHardwareMessage().

◆ co_IntProcessMouseMessage()

BOOL co_IntProcessMouseMessage ( MSG msg,
BOOL RemoveMessages,
BOOL NotForUs,
LONG_PTR  ExtraInfo,
UINT  first,
UINT  last 
)

Definition at line 1471 of file msgqueue.c.

1472 {
1473  MSG clk_msg;
1474  POINT pt;
1475  UINT message;
1476  USHORT hittest;
1477  EVENTMSG event;
1479  BOOL eatMsg = FALSE;
1480 
1481  PWND pwndMsg, pwndDesktop;
1482  PUSER_MESSAGE_QUEUE MessageQueue;
1483  PTHREADINFO pti;
1484  PSYSTEM_CURSORINFO CurInfo;
1485  PDESKTOP pDesk;
1486 
1488  pwndDesktop = UserGetDesktopWindow();
1489  MessageQueue = pti->MessageQueue;
1490  CurInfo = IntGetSysCursorInfo();
1491  pwndMsg = ValidateHwndNoErr(msg->hwnd);
1492  clk_msg = MessageQueue->msgDblClk;
1493  pDesk = pwndDesktop->head.rpdesk;
1494 
1495  /* find the window to dispatch this mouse message to */
1496  if (MessageQueue->spwndCapture)
1497  {
1498  hittest = HTCLIENT;
1499  pwndMsg = MessageQueue->spwndCapture;
1500  }
1501  else
1502  {
1503  /*
1504  Start with null window. See wine win.c:test_mouse_input:WM_COMMAND tests.
1505  */
1506  pwndMsg = co_WinPosWindowFromPoint( NULL, &msg->pt, &hittest, FALSE);
1507  }
1508 
1509  TRACE("Got mouse message for %p, hittest: 0x%x\n", msg->hwnd, hittest);
1510 
1511  // Null window or not the same "Hardware" message queue.
1512  if (pwndMsg == NULL || pwndMsg->head.pti->MessageQueue != MessageQueue)
1513  {
1514  // Crossing a boundary, so set cursor. See default message queue cursor.
1515  IntSystemSetCursor(SYSTEMCUR(ARROW));
1516  /* Remove and ignore the message */
1517  *RemoveMessages = TRUE;
1518  return FALSE;
1519  }
1520 
1521  // Check to see if this is attached,
1522  if ( pwndMsg->head.pti != pti && // window thread is not current,
1523  MessageQueue->cThreads > 1 ) // and is attached...
1524  {
1525  // This is not for us and we should leave so the other thread can check for messages!!!
1526  *NotForUs = TRUE;
1527  *RemoveMessages = TRUE;
1528  return FALSE;
1529  }
1530 
1531  if ( MessageQueue == gpqCursor ) // Cursor must use the same Queue!
1532  {
1533  IntTrackMouseMove(pwndMsg, pDesk, msg, hittest);
1534  }
1535  else
1536  {
1537  ERR("Not the same cursor!\n");
1538  }
1539 
1540  msg->hwnd = UserHMGetHandle(pwndMsg);
1541 
1542  pt = msg->pt;
1543  message = msg->message;
1544 
1545  /* Note: windows has no concept of a non-client wheel message */
1546  if (message != WM_MOUSEWHEEL)
1547  {
1548  if (hittest != HTCLIENT)
1549  {
1551  msg->wParam = hittest; // Caution! This might break wParam check in DblClk.
1552  }
1553  else
1554  {
1555  /* coordinates don't get translated while tracking a menu */
1556  /* FIXME: should differentiate popups and top-level menus */
1557  if (!(MessageQueue->MenuOwner))
1558  {
1559  pt.x += pwndDesktop->rcClient.left - pwndMsg->rcClient.left;
1560  pt.y += pwndDesktop->rcClient.top - pwndMsg->rcClient.top;
1561  }
1562  }
1563  }
1564  msg->lParam = MAKELONG( pt.x, pt.y );
1565 
1566  /* translate double clicks */
1567 
1568  if ((msg->message == WM_LBUTTONDOWN) ||
1569  (msg->message == WM_RBUTTONDOWN) ||
1570  (msg->message == WM_MBUTTONDOWN) ||
1571  (msg->message == WM_XBUTTONDOWN))
1572  {
1573  BOOL update = *RemoveMessages;
1574 
1575  /* translate double clicks -
1576  * note that ...MOUSEMOVEs can slip in between
1577  * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
1578 
1579  if ((MessageQueue->MenuOwner || MessageQueue->MoveSize) ||
1580  hittest != HTCLIENT ||
1581  (pwndMsg->pcls->style & CS_DBLCLKS))
1582  {
1583  if ((msg->message == clk_msg.message) &&
1584  (msg->hwnd == clk_msg.hwnd) &&
1585  // Only worry about XButton wParam.
1586  (msg->message != WM_XBUTTONDOWN || GET_XBUTTON_WPARAM(msg->wParam) == GET_XBUTTON_WPARAM(clk_msg.wParam)) &&
1587  ((msg->time - clk_msg.time) < (ULONG)gspv.iDblClickTime) &&
1588  (abs(msg->pt.x - clk_msg.pt.x) < UserGetSystemMetrics(SM_CXDOUBLECLK)/2) &&
1589  (abs(msg->pt.y - clk_msg.pt.y) < UserGetSystemMetrics(SM_CYDOUBLECLK)/2))
1590  {
1592  if (update)
1593  {
1594  MessageQueue->msgDblClk.message = 0; /* clear the double click conditions */
1595  update = FALSE;
1596  }
1597  }
1598  }
1599 
1600  if (!((first == 0 && last == 0) || (message >= first || message <= last)))
1601  {
1602  TRACE("Message out of range!!!\n");
1603  return FALSE;
1604  }
1605 
1606  /* update static double click conditions */
1607  if (update) MessageQueue->msgDblClk = *msg;
1608  }
1609  else
1610  {
1611  if (!((first == 0 && last == 0) || (message >= first || message <= last)))
1612  {
1613  TRACE("Message out of range!!!\n");
1614  return FALSE;
1615  }
1616 
1617  // Update mouse move down keys.
1618  if (message == WM_MOUSEMOVE)
1619  {
1620  msg->wParam = MsqGetDownKeyState(MessageQueue);
1621  }
1622  }
1623 
1624  if (gspv.bMouseClickLock)
1625  {
1626  BOOL IsClkLck = FALSE;
1627 
1628  if(msg->message == WM_LBUTTONUP)
1629  {
1630  IsClkLck = ((msg->time - CurInfo->ClickLockTime) >= gspv.dwMouseClickLockTime);
1631  if (IsClkLck && (!CurInfo->ClickLockActive))
1632  {
1633  CurInfo->ClickLockActive = TRUE;
1634  }
1635  }
1636  else if (msg->message == WM_LBUTTONDOWN)
1637  {
1638  if (CurInfo->ClickLockActive)
1639  {
1640  IsClkLck = TRUE;
1641  CurInfo->ClickLockActive = FALSE;
1642  }
1643 
1644  CurInfo->ClickLockTime = msg->time;
1645  }
1646 
1647  if(IsClkLck)
1648  {
1649  /* Remove and ignore the message */
1650  *RemoveMessages = TRUE;
1651  TRACE("Remove and ignore the message\n");
1652  return FALSE;
1653  }
1654  }
1655 
1656  if (pti->TIF_flags & TIF_MSGPOSCHANGED)
1657  {
1658  pti->TIF_flags &= ~TIF_MSGPOSCHANGED;
1659  IntNotifyWinEvent(EVENT_OBJECT_LOCATIONCHANGE, NULL, OBJID_CLIENT, CHILDID_SELF, 0);
1660  }
1661 
1662  /* message is accepted now (but still get dropped) */
1663 
1664  event.message = msg->message;
1665  event.time = msg->time;
1666  event.hwnd = msg->hwnd;
1667  event.paramL = msg->pt.x;
1668  event.paramH = msg->pt.y;
1670 
1671  hook.pt = msg->pt;
1672  hook.hwnd = msg->hwnd;
1673  hook.wHitTestCode = hittest;
1674  hook.dwExtraInfo = ExtraInfo;
1675  if (co_HOOK_CallHooks( WH_MOUSE, *RemoveMessages ? HC_ACTION : HC_NOREMOVE,
1676  message, (LPARAM)&hook ))
1677  {
1678  hook.pt = msg->pt;
1679  hook.hwnd = msg->hwnd;
1680  hook.wHitTestCode = hittest;
1681  hook.dwExtraInfo = ExtraInfo;
1683 
1684  ERR("WH_MOUSE dropped mouse message!\n");
1685 
1686  /* Remove and skip message */
1687  *RemoveMessages = TRUE;
1688  return FALSE;
1689  }
1690 
1691  if ((hittest == (USHORT)HTERROR) || (hittest == (USHORT)HTNOWHERE))
1692  {
1693  co_IntSendMessage( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
1694 
1695  /* Remove and skip message */
1696  *RemoveMessages = TRUE;
1697  return FALSE;
1698  }
1699 
1700  if ((*RemoveMessages == FALSE) || MessageQueue->spwndCapture)
1701  {
1702  /* Accept the message */
1703  msg->message = message;
1704  return TRUE;
1705  }
1706 
1707  if ((msg->message == WM_LBUTTONDOWN) ||
1708  (msg->message == WM_RBUTTONDOWN) ||
1709  (msg->message == WM_MBUTTONDOWN) ||
1710  (msg->message == WM_XBUTTONDOWN))
1711  {
1712  /* Send the WM_PARENTNOTIFY,
1713  * note that even for double/nonclient clicks
1714  * notification message is still WM_L/M/RBUTTONDOWN.
1715  */
1716  MsqSendParentNotify(pwndMsg, msg->message, 0, msg->pt );
1717 
1718  /* Activate the window if needed */
1719 
1720  if (pwndMsg != MessageQueue->spwndActive)
1721  {
1722  PWND pwndTop = pwndMsg;
1723  pwndTop = IntGetNonChildAncestor(pwndTop);
1724 
1725  TRACE("Mouse pti %p pwndMsg pti %p pwndTop pti %p\n",MessageQueue->ptiMouse,pwndMsg->head.pti,pwndTop->head.pti);
1726 
1727  if (pwndTop && pwndTop != pwndDesktop)
1728  {
1729  LONG ret = co_IntSendMessage( msg->hwnd,
1731  (WPARAM)UserHMGetHandle(pwndTop),
1732  MAKELONG( hittest, msg->message));
1733  switch(ret)
1734  {
1735  case MA_NOACTIVATEANDEAT:
1736  eatMsg = TRUE;
1737  /* fall through */
1738  case MA_NOACTIVATE:
1739  break;
1740  case MA_ACTIVATEANDEAT:
1741  eatMsg = TRUE;
1742  /* fall through */
1743  case MA_ACTIVATE:
1744  case 0:
1745  if (!co_IntMouseActivateWindow( pwndTop )) eatMsg = TRUE;
1746  break;
1747  default:
1748  ERR( "unknown WM_MOUSEACTIVATE code %d\n", ret );
1749  break;
1750  }
1751  }
1752  }
1753  }
1754 
1755  /* send the WM_SETCURSOR message */
1756 
1757  /* Windows sends the normal mouse message as the message parameter
1758  in the WM_SETCURSOR message even if it's non-client mouse message */
1759  co_IntSendMessage( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
1760 
1761  msg->message = message;
1762  return !eatMsg;
1763 }
#define WH_MOUSE
Definition: winuser.h:37
#define HCBT_CLICKSKIPPED
Definition: winuser.h:61
#define abs(i)
Definition: fconv.c:206
PCURICON_OBJECT IntSystemSetCursor(PCURICON_OBJECT pcurNew)
Definition: cursoricon.c:230
Definition: tftpd.h:59
#define SM_CYDOUBLECLK
Definition: winuser.h:990
#define TRUE
Definition: types.h:120
PWND FASTCALL ValidateHwndNoErr(HWND hWnd)
Definition: window.c:96
struct _DESKTOP * rpdesk
Definition: ntuser.h:189
#define WM_LBUTTONDOWN
Definition: winuser.h:1758
WPARAM FASTCALL MsqGetDownKeyState(PUSER_MESSAGE_QUEUE MessageQueue)
Definition: msgqueue.c:338
POINT last
Definition: font.c:46
#define pt(x, y)
Definition: drawing.c:79
#define WM_MOUSEWHEEL
Definition: treelist.c:96
FLONG TIF_flags
Definition: win32.h:94
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
VOID FASTCALL IntNotifyWinEvent(DWORD Event, PWND pWnd, LONG idObject, LONG idChild, DWORD flags)
Definition: event.c:179
const GLint * first
Definition: glext.h:5794
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
VOID FASTCALL IntTrackMouseMove(PWND pwndTrack, PDESKTOP pDesk, PMSG msg, USHORT hittest)
Definition: msgqueue.c:1420
GLenum GLuint GLenum GLsizei const GLchar * message
Definition: glext.h:5579
LONG top
Definition: windef.h:307
#define MA_ACTIVATE
Definition: winuser.h:2476
DWORD dwMouseClickLockTime
Definition: sysparams.h:79
#define HC_NOREMOVE
Definition: winuser.h:51
UINT_PTR WPARAM
Definition: windef.h:207
RECT rcClient
Definition: ntuser.h:681
LONG left
Definition: windef.h:306
#define HTNOWHERE
Definition: winuser.h:2449
#define MA_ACTIVATEANDEAT
Definition: winuser.h:2477
BOOL bMouseClickLock
Definition: sysparams.h:77
INT iDblClickTime
Definition: sysparams.h:90
UINT style
Definition: ntuser.h:548
#define MA_NOACTIVATEANDEAT
Definition: winuser.h:2479
unsigned int BOOL
Definition: ntddk_ex.h:94
long LONG
Definition: pedump.c:60
#define WM_SETCURSOR
Definition: winuser.h:1618
BOOL FASTCALL co_IntMouseActivateWindow(PWND Wnd)
Definition: focus.c:1136
#define CHILDID_SELF
Definition: winable.h:14
THRDESKHEAD head
Definition: ntuser.h:659
#define MAKELONG(a, b)
Definition: typedefs.h:248
smooth NULL
Definition: ftsmooth.c:416
LONG_PTR LPARAM
Definition: windef.h:208
#define WH_CBT
Definition: winuser.h:35
#define WM_MOUSEACTIVATE
Definition: winuser.h:1619
#define HTERROR
Definition: winuser.h:2447
#define WH_JOURNALRECORD
Definition: winuser.h:30
#define WM_RBUTTONDOWN
Definition: winuser.h:1761
LONG NTAPI UserGetSystemMetrics(ULONG Index)
Definition: metric.c:180
#define UserHMGetHandle(obj)
Definition: ntuser.h:208
#define OBJID_CLIENT
Definition: winable.h:19
Definition: msg.h:42
#define TRACE(s)
Definition: solgame.cpp:4
PUSER_MESSAGE_QUEUE gpqCursor
Definition: msgqueue.c:20
SPIVALUES gspv
Definition: sysparams.c:17
PSYSTEM_CURSORINFO IntGetSysCursorInfo(VOID)
Definition: cursoricon.c:187
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
PWND FASTCALL UserGetDesktopWindow(VOID)
Definition: desktop.c:1349
int ret
LRESULT FASTCALL co_IntSendMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1281
#define WM_LBUTTONDBLCLK
Definition: winuser.h:1760
#define CS_DBLCLKS
Definition: winuser.h:646
#define MA_NOACTIVATE
Definition: winuser.h:2478
struct _cl_event * event
Definition: glext.h:7739
#define TIF_MSGPOSCHANGED
Definition: ntuser.h:260
#define ERR(fmt,...)
Definition: debug.h:109
Definition: ntuser.h:657
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
unsigned short USHORT
Definition: pedump.c:61
#define HC_ACTION
Definition: winuser.h:48
#define WM_LBUTTONUP
Definition: winuser.h:1759
#define WM_MBUTTONDOWN
Definition: winuser.h:1764
unsigned int UINT
Definition: ndis.h:50
#define WM_MOUSEMOVE
Definition: winuser.h:1757
#define msg(x)
Definition: auth_time.c:54
PWND FASTCALL IntGetNonChildAncestor(PWND pWnd)
Definition: window.c:323
static void MsqSendParentNotify(PWND pwnd, WORD event, WORD idChild, POINT pt)
Definition: msgqueue.c:1393
unsigned int ULONG
Definition: retypes.h:1
#define SYSTEMCUR(func)
Definition: cursoricon.h:129
PTHREADINFO ptiMouse
Definition: msgqueue.h:55
#define HTCLIENT
Definition: winuser.h:2450
#define SM_CXDOUBLECLK
Definition: winuser.h:989
#define WM_NCMOUSEMOVE
Definition: winuser.h:1673
PWND APIENTRY co_WinPosWindowFromPoint(IN PWND ScopeWin, IN POINT *WinPoint, IN OUT USHORT *HitTest, IN BOOL Ignore)
Definition: winpos.c:2838
PCLS pcls
Definition: ntuser.h:684

Referenced by co_IntProcessHardwareMessage().

◆ co_MsqDispatchOneSentMessage()

BOOLEAN FASTCALL co_MsqDispatchOneSentMessage ( _In_ PTHREADINFO  pti)

Definition at line 873 of file msgqueue.c.

875 {
876  PUSER_SENT_MESSAGE SaveMsg, Message;
878  BOOL Ret;
879  LRESULT Result = 0;
880 
882 
883  if (IsListEmpty(&pti->SentMessagesListHead))
884  {
885  return(FALSE);
886  }
887 
888  /* remove it from the list of pending messages */
889  Entry = RemoveHeadList(&pti->SentMessagesListHead);
891 
892  // Signal this message is being processed.
894 
895  SaveMsg = pti->pusmCurrent;
896  pti->pusmCurrent = Message;
897 
898  // Processing a message sent to it from another thread.
899  if ( ( Message->ptiSender && pti != Message->ptiSender) ||
900  ( Message->ptiCallBackSender && pti != Message->ptiCallBackSender ))
901  { // most likely, but, to be sure.
902  pti->pcti->CTI_flags |= CTI_INSENDMESSAGE; // Let the user know...
903  }
904 
905  /* Now insert it to the global list of messages that can be removed Justin Case there's Trouble */
906  InsertTailList(&usmList, &Message->ListEntry);
907 
908  ClearMsgBitsMask(pti, Message->QS_Flags);
909 
910  if (Message->HookMessage == MSQ_ISHOOK)
911  { // Direct Hook Call processor
912  Result = co_CallHook( Message->Msg.message, // HookId
913  (INT)(INT_PTR)Message->Msg.hwnd, // Code
914  Message->Msg.wParam,
915  Message->Msg.lParam);
916  }
917  else if(Message->HookMessage == MSQ_INJECTMODULE)
918  {
919  Result = IntLoadHookModule(Message->Msg.message,
920  (HHOOK)Message->Msg.lParam,
921  Message->Msg.wParam);
922  }
923  else if ((Message->CompletionCallback) &&
924  (Message->ptiCallBackSender == pti))
925  { /* Call the callback routine */
926  if (Message->QS_Flags & QS_SMRESULT)
927  {
928  co_IntCallSentMessageCallback(Message->CompletionCallback,
929  Message->Msg.hwnd,
930  Message->Msg.message,
931  Message->CompletionCallbackContext,
932  Message->lResult);
933  /* Set callback to NULL to prevent reentry */
934  Message->CompletionCallback = NULL;
935  }
936  else
937  {
938  /* The message has not been processed yet, reinsert it. */
939  RemoveEntryList(&Message->ListEntry);
940  InsertTailList(&Message->ptiCallBackSender->SentMessagesListHead, &Message->ListEntry);
941  // List is occupied need to set the bit.
942  MsqWakeQueue(Message->ptiCallBackSender, QS_SENDMESSAGE, TRUE);
943  ERR("Callback Message not processed yet. Requeuing the message\n");
944  Ret = FALSE;
945  goto Exit;
946  }
947  }
948  else
949  { /* Call the window procedure. */
950  Result = co_IntSendMessage( Message->Msg.hwnd,
951  Message->Msg.message,
952  Message->Msg.wParam,
953  Message->Msg.lParam);
954  }
955 
956  /* If the message is a callback, insert it in the callback senders MessageQueue */
957  if (Message->CompletionCallback)
958  {
959  if (Message->ptiCallBackSender)
960  {
961  Message->lResult = Result;
962  Message->QS_Flags |= QS_SMRESULT;
963 
964  /* insert it in the callers message queue */
965  RemoveEntryList(&Message->ListEntry);
966  InsertTailList(&Message->ptiCallBackSender->SentMessagesListHead, &Message->ListEntry);
967  MsqWakeQueue(Message->ptiCallBackSender, QS_SENDMESSAGE, TRUE);
968  }
969  Ret = TRUE;
970  goto Exit;
971  }
972 
973  // Retrieve the result from callback.
974  if (Message->QS_Flags & QS_SMRESULT)
975  {
976  Result = Message->lResult;
977  }
978 
979  /* Let the sender know the result. */
980  Message->lResult = Result;
981 
982  if (Message->HasPackedLParam)
983  {
984  if (Message->Msg.lParam)
985  ExFreePool((PVOID)Message->Msg.lParam);
986  }
987 
988  // Clear busy signal.
989  Message->flags &= ~SMF_RECEIVERBUSY;
990 
991  /* Notify the sender. */
992  if (Message->pkCompletionEvent != NULL)
993  {
994  KeSetEvent(Message->pkCompletionEvent, IO_NO_INCREMENT, FALSE);
995  }
996 
997  /* free the message */
998  if (Message->flags & SMF_RECEIVERFREE)
999  {
1000  TRACE("Receiver Freeing Message %p\n",Message);
1002  }
1003 
1004  Ret = TRUE;
1005 Exit:
1006  /* do not hangup on the user if this is reentering */
1007  if (!SaveMsg) pti->pcti->CTI_flags &= ~CTI_INSENDMESSAGE;
1008  pti->pusmCurrent = SaveMsg;
1009 
1010  return Ret;
1011 }
VOID FASTCALL MsqWakeQueue(PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
Definition: msgqueue.c:412
#define TRUE
Definition: types.h:120
struct _Entry Entry
Definition: kefuncs.h:640
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define QS_SMRESULT
Definition: undocuser.h:93
int32_t INT_PTR
Definition: typedefs.h:62
#define InsertTailList(ListHead, Entry)
LONG NTAPI KeSetEvent(IN PKEVENT Event, IN KPRIORITY Increment, IN BOOLEAN Wait)
Definition: eventobj.c:159
int32_t INT
Definition: typedefs.h:56
_Must_inspect_result_ FORCEINLINE BOOLEAN IsListEmpty(_In_ const LIST_ENTRY *ListHead)
Definition: rtlfuncs.h:57
FORCEINLINE BOOLEAN RemoveEntryList(_In_ PLIST_ENTRY Entry)
Definition: rtlfuncs.h:105
unsigned int BOOL
Definition: ntddk_ex.h:94
#define MSQ_ISHOOK
Definition: msgqueue.h:5
#define SMF_RECEIVERFREE
Definition: msgqueue.h:40
smooth NULL
Definition: ftsmooth.c:416
_At_(*)(_In_ PWSK_CLIENT Client, _In_opt_ PUNICODE_STRING NodeName, _In_opt_ PUNICODE_STRING ServiceName, _In_opt_ ULONG NameSpace, _In_opt_ GUID *Provider, _In_opt_ PADDRINFOEXW Hints, _Outptr_ PADDRINFOEXW *Result, _In_opt_ PEPROCESS OwningProcess, _In_opt_ PETHREAD OwningThread, _Inout_ PIRP Irp Result)(Mem)) NTSTATUS(WSKAPI *PFN_WSK_GET_ADDRESS_INFO
Definition: wsk.h:426
#define QS_SENDMESSAGE
Definition: winuser.h:892
BOOL IntLoadHookModule(int iHookID, HHOOK hHook, BOOL Unload)
Definition: hook.c:31
FORCEINLINE PLIST_ENTRY RemoveHeadList(_Inout_ PLIST_ENTRY ListHead)
Definition: rtlfuncs.h:128
PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
Definition: Messaging.c:560
#define SMF_RECEIVERBUSY
Definition: msgqueue.h:42
LRESULT APIENTRY co_CallHook(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:322
#define TRACE(s)
Definition: solgame.cpp:4
VOID FASTCALL ClearMsgBitsMask(PTHREADINFO pti, UINT MessageBits)
Definition: msgqueue.c:445
static void Exit(void)
Definition: sock.c:1331
#define CTI_INSENDMESSAGE
Definition: ntuser.h:161
#define MSQ_INJECTMODULE
Definition: msgqueue.h:6
VOID FASTCALL FreeUserMessage(PUSER_SENT_MESSAGE Message)
Definition: msgqueue.c:786
VOID APIENTRY co_IntCallSentMessageCallback(SENDASYNCPROC CompletionCallback, HWND hWnd, UINT Msg, ULONG_PTR CompletionCallbackContext, LRESULT Result)
Definition: callback.c:245
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
CHAR Message[80]
Definition: alive.c:5
LRESULT FASTCALL co_IntSendMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1281
Definition: typedefs.h:117
#define ERR(fmt,...)
Definition: debug.h:109
#define IO_NO_INCREMENT
Definition: iotypes.h:566
LONG_PTR LRESULT
Definition: windef.h:209
base of all file and directory entries
Definition: entries.h:82
#define ExFreePool(addr)
Definition: env_spec_w32.h:352
#define SMF_RECEIVEDMESSAGE
Definition: msgqueue.h:41
LIST_ENTRY usmList
Definition: msgqueue.c:23

Referenced by co_IntPeekMessage(), and co_MsqSendMessage().

◆ co_MsqInsertMouseMessage()

VOID FASTCALL co_MsqInsertMouseMessage ( MSG Msg,
DWORD  flags,
ULONG_PTR  dwExtraInfo,
BOOL  Hook 
)

Definition at line 580 of file msgqueue.c.

581 {
582  MSLLHOOKSTRUCT MouseHookData;
583 // PDESKTOP pDesk;
584  PWND pwnd, pwndDesktop;
585  HDC hdcScreen;
586  PTHREADINFO pti;
587  PUSER_MESSAGE_QUEUE MessageQueue;
588  PSYSTEM_CURSORINFO CurInfo;
589 
590  Msg->time = EngGetTickCount32();
591 
592  MouseHookData.pt.x = LOWORD(Msg->lParam);
593  MouseHookData.pt.y = HIWORD(Msg->lParam);
594  switch (Msg->message)
595  {
596  case WM_MOUSEWHEEL:
597  MouseHookData.mouseData = MAKELONG(0, GET_WHEEL_DELTA_WPARAM(Msg->wParam));
598  break;
599  case WM_XBUTTONDOWN:
600  case WM_XBUTTONUP:
601  case WM_XBUTTONDBLCLK:
602  case WM_NCXBUTTONDOWN:
603  case WM_NCXBUTTONUP:
604  case WM_NCXBUTTONDBLCLK:
605  MouseHookData.mouseData = MAKELONG(0, HIWORD(Msg->wParam));
606  break;
607  default:
608  MouseHookData.mouseData = 0;
609  break;
610  }
611 
612  MouseHookData.flags = flags; // LLMHF_INJECTED
613  MouseHookData.time = Msg->time;
614  MouseHookData.dwExtraInfo = dwExtraInfo;
615 
616  /* If the hook procedure returned non zero, dont send the message */
617  if (Hook)
618  {
619  if (co_HOOK_CallHooks(WH_MOUSE_LL, HC_ACTION, Msg->message, (LPARAM) &MouseHookData))
620  return;
621  }
622 
623  /* Get the desktop window */
624  pwndDesktop = UserGetDesktopWindow();
625  if (!pwndDesktop) return;
626 // pDesk = pwndDesktop->head.rpdesk;
627 
628  /* Check if the mouse is captured */
629  Msg->hwnd = IntGetCaptureWindow();
630  if (Msg->hwnd != NULL)
631  {
632  pwnd = UserGetWindowObject(Msg->hwnd);
633  }
634  else
635  {
636  pwnd = IntTopLevelWindowFromPoint(Msg->pt.x, Msg->pt.y);
637  if (pwnd) Msg->hwnd = pwnd->head.h;
638  }
639 
640  hdcScreen = IntGetScreenDC();
641  CurInfo = IntGetSysCursorInfo();
642 
643  /* Check if we found a window */
644  if (Msg->hwnd != NULL && pwnd != NULL)
645  {
646  pti = pwnd->head.pti;
647  MessageQueue = pti->MessageQueue;
648 
649  if (MessageQueue->QF_flags & QF_INDESTROY)
650  {
651  ERR("Mouse is over a Window with a Dead Message Queue!\n");
652  return;
653  }
654 
655  // Check to see if this is attached.
656  if ( pti != MessageQueue->ptiMouse &&
657  MessageQueue->cThreads > 1 )
658  {
659  // Set the send pti to the message queue mouse pti.
660  pti = MessageQueue->ptiMouse;
661  }
662 
663  if (Msg->message == WM_MOUSEMOVE)
664  {
665  /* Check if cursor should be visible */
666  if(hdcScreen &&
667  MessageQueue->CursorObject &&
668  MessageQueue->iCursorLevel >= 0)
669  {
670  /* Check if shape has changed */
671  if(CurInfo->CurrentCursorObject != MessageQueue->CursorObject)
672  {
673  /* Call GDI to set the new screen cursor */
674  GreSetPointerShape(hdcScreen,
675  MessageQueue->CursorObject->hbmAlpha ?
676  NULL : MessageQueue->CursorObject->hbmMask,
677  MessageQueue->CursorObject->hbmAlpha ?
678  MessageQueue->CursorObject->hbmAlpha : MessageQueue->CursorObject->hbmColor,
679  MessageQueue->CursorObject->xHotspot,
680  MessageQueue->CursorObject->yHotspot,
681  gpsi->ptCursor.x,
682  gpsi->ptCursor.y,
683  MessageQueue->CursorObject->hbmAlpha ? SPS_ALPHA : 0);
684 
685  } else
686  GreMovePointer(hdcScreen, Msg->pt.x, Msg->pt.y);
687  }
688  /* Check if we have to hide cursor */
689  else if (CurInfo->ShowingCursor >= 0)
690  GreMovePointer(hdcScreen, -1, -1);
691 
692  /* Update global cursor info */
693  CurInfo->ShowingCursor = MessageQueue->iCursorLevel;
694  CurInfo->CurrentCursorObject = MessageQueue->CursorObject;
695  gpqCursor = MessageQueue;
696 
697  /* Mouse move is a special case */
698  MessageQueue->QF_flags |= QF_MOUSEMOVED;
699  gdwMouseMoveExtraInfo = dwExtraInfo;
700  gdwMouseMoveTimeStamp = Msg->time;
702  }
703  else
704  {
705  if (!IntGetCaptureWindow())
706  {
707  // ERR("ptiLastInput is set\n");
708  // ptiLastInput = pti; // Once this is set during Reboot or Shutdown, this prevents the exit window having foreground.
709  // Find all the Move Mouse calls and fix mouse set active focus issues......
710  }
711 
712  // Post mouse move before posting mouse buttons, keep it in sync.
713  if (pti->MessageQueue->QF_flags & QF_MOUSEMOVED)
714  {
716  }
717 
718  TRACE("Posting mouse message to hwnd=%p!\n", UserHMGetHandle(pwnd));
719  MsqPostMessage(pti, Msg, TRUE, QS_MOUSEBUTTON, 0, dwExtraInfo);
720  }
721  }
722  else if (hdcScreen)
723  {
724  /* always show cursor on background; FIXME: set default pointer */
725  GreMovePointer(hdcScreen, Msg->pt.x, Msg->pt.y);
726  CurInfo->ShowingCursor = 0;
727  }
728 }
VOID FASTCALL MsqWakeQueue(PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
Definition: msgqueue.c:412
#define TRUE
Definition: types.h:120
ULONG NTAPI GreSetPointerShape(_In_ HDC hdc, _In_opt_ HBITMAP hbmMask, _In_opt_ HBITMAP hbmColor, _In_ LONG xHot, _In_ LONG yHot, _In_ LONG x, _In_ LONG y, _In_ FLONG fl)
Definition: mouse.c:671
long y
Definition: polytest.cpp:48
HDC FASTCALL IntGetScreenDC(VOID)
Definition: winsta.c:347
HBITMAP hbmColor
Definition: cursoricon.h:20
long x
Definition: polytest.cpp:48
ULONG_PTR dwExtraInfo
Definition: winuser.h:3796
#define EngGetTickCount32()
Definition: eng.h:43
#define WM_MOUSEWHEEL
Definition: treelist.c:96
struct @1591 Msg[]
static HDC
Definition: imagelist.c:92
ULONG_PTR gdwMouseMoveExtraInfo
Definition: msgqueue.c:21
HWND FASTCALL IntGetCaptureWindow(VOID)
Definition: focus.c:32
PSERVERINFO gpsi
Definition: main.c:27
#define SPS_ALPHA
Definition: winddi.h:4039
#define WH_MOUSE_LL
Definition: winuser.h:44
PCURICON_OBJECT CurrentCursorObject
Definition: cursoricon.h:74
THRDESKHEAD head
Definition: ntuser.h:659
#define MAKELONG(a, b)
Definition: typedefs.h:248
smooth NULL
Definition: ftsmooth.c:416
LONG_PTR LPARAM
Definition: windef.h:208
#define QF_INDESTROY
Definition: msgqueue.h:103
PWND FASTCALL UserGetWindowObject(HWND hWnd)
Definition: window.c:103
#define UserHMGetHandle(obj)
Definition: ntuser.h:208
#define TRACE(s)
Definition: solgame.cpp:4
VOID NTAPI GreMovePointer(_In_ HDC hdc, _In_ LONG x, _In_ LONG y)
Definition: mouse.c:767
PUSER_MESSAGE_QUEUE gpqCursor
Definition: msgqueue.c:20
PSYSTEM_CURSORINFO IntGetSysCursorInfo(VOID)
Definition: cursoricon.c:187
VOID FASTCALL MsqPostMessage(PTHREADINFO pti, MSG *Msg, BOOLEAN HardwareMessage, DWORD MessageBits, DWORD dwQEvent, LONG_PTR ExtraInfo)
Definition: msgqueue.c:1338
GLbitfield flags
Definition: glext.h:7161
VOID FASTCALL IntCoalesceMouseMove(PTHREADINFO pti)
Definition: msgqueue.c:551
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
PWND FASTCALL UserGetDesktopWindow(VOID)
Definition: desktop.c:1349
#define QS_MOUSEMOVE
Definition: winuser.h:886
PCURICON_OBJECT CursorObject
Definition: msgqueue.h:89
#define ERR(fmt,...)
Definition: debug.h:109
Definition: ntuser.h:657
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
#define HC_ACTION
Definition: winuser.h:48
#define WM_MOUSEMOVE
Definition: winuser.h:1757
#define QS_MOUSEBUTTON
Definition: winuser.h:885
HBITMAP hbmMask
Definition: cursoricon.h:19
HBITMAP hbmAlpha
Definition: cursoricon.h:21
PWND FASTCALL IntTopLevelWindowFromPoint(INT x, INT y)
Definition: msgqueue.c:61
#define HIWORD(l)
Definition: typedefs.h:246
PTHREADINFO ptiMouse
Definition: msgqueue.h:55
#define QF_MOUSEMOVED
Definition: msgqueue.h:99
#define LOWORD(l)
Definition: pedump.c:82
DWORD gdwMouseMoveTimeStamp
Definition: msgqueue.c:22

Referenced by co_UserDestroyWindow(), co_WinPosSetWindowPos(), IntDeactivateWindow(), UserAttachThreadInput(), UserSendMouseInput(), and UserSetCursorPos().

◆ co_MsqPeekHardwareMessage()

BOOL APIENTRY co_MsqPeekHardwareMessage ( IN PTHREADINFO  pti,
IN BOOL  Remove,
IN PWND  Window,
IN UINT  MsgFilterLow,
IN UINT  MsgFilterHigh,
IN UINT  QSflags,
OUT MSG pMsg 
)

Definition at line 1996 of file msgqueue.c.

2003 {
2004  BOOL AcceptMessage, NotForUs;
2005  PUSER_MESSAGE CurrentMessage;
2006  PLIST_ENTRY ListHead;
2007  MSG msg;
2008  ULONG_PTR idSave;
2009  DWORD QS_Flags;
2010  LONG_PTR ExtraInfo;
2011  BOOL Ret = FALSE;
2012  PUSER_MESSAGE_QUEUE MessageQueue = pti->MessageQueue;
2013 
2014  if (!filter_contains_hw_range( MsgFilterLow, MsgFilterHigh )) return FALSE;
2015 
2016  ListHead = MessageQueue->HardwareMessagesListHead.Flink;
2017 
2018  if (IsListEmpty(ListHead)) return FALSE;
2019 
2020  if (!MessageQueue->ptiSysLock)
2021  {
2022  MessageQueue->ptiSysLock = pti;
2023  pti->pcti->CTI_flags |= CTI_THREADSYSLOCK;
2024  }
2025 
2026  if (MessageQueue->ptiSysLock != pti)
2027  {
2028  ERR("Thread Q is locked to ptiSysLock 0x%p pti 0x%p\n",MessageQueue->ptiSysLock,pti);
2029  return FALSE;
2030  }
2031 
2032  while (ListHead != &MessageQueue->HardwareMessagesListHead)
2033  {
2034  CurrentMessage = CONTAINING_RECORD(ListHead, USER_MESSAGE, ListEntry);
2035  ListHead = ListHead->Flink;
2036 
2037  if (MessageQueue->idSysPeek == (ULONG_PTR)CurrentMessage)
2038  {
2039  TRACE("Skip this message due to it is in play!\n");
2040  continue;
2041  }
2042 /*
2043  MSDN:
2044  1: any window that belongs to the current thread, and any messages on the current thread's message queue whose hwnd value is NULL.
2045  2: retrieves only messages on the current thread's message queue whose hwnd value is NULL.
2046  3: handle to the window whose messages are to be retrieved.
2047  */
2048  if ( ( !Window || // 1
2049  ( Window == PWND_BOTTOM && CurrentMessage->Msg.hwnd == NULL ) || // 2
2050  ( Window != PWND_BOTTOM && Window->head.h == CurrentMessage->Msg.hwnd ) || // 3
2051  ( is_mouse_message(CurrentMessage->Msg.message) ) ) && // Null window for anything mouse.
2052  ( ( ( MsgFilterLow == 0 && MsgFilterHigh == 0 ) && CurrentMessage->QS_Flags & QSflags ) ||
2053  ( MsgFilterLow <= CurrentMessage->Msg.message && MsgFilterHigh >= CurrentMessage->Msg.message ) ) )
2054  {
2055  idSave = MessageQueue->idSysPeek;
2056  MessageQueue->idSysPeek = (ULONG_PTR)CurrentMessage;
2057 
2058  msg = CurrentMessage->Msg;
2059  ExtraInfo = CurrentMessage->ExtraInfo;
2060  QS_Flags = CurrentMessage->QS_Flags;
2061 
2062  NotForUs = FALSE;
2063 
2064  UpdateKeyStateFromMsg(MessageQueue, &msg);
2065  AcceptMessage = co_IntProcessHardwareMessage(&msg, &Remove, &NotForUs, ExtraInfo, MsgFilterLow, MsgFilterHigh);
2066 
2067  if (Remove)
2068  {
2069  if (CurrentMessage->pti != NULL && (MessageQueue->idSysPeek == (ULONG_PTR)CurrentMessage))
2070  {
2071  MsqDestroyMessage(CurrentMessage);
2072  }
2073  ClearMsgBitsMask(pti, QS_Flags);
2074  }
2075 
2076  MessageQueue->idSysPeek = idSave;
2077 
2078  if (NotForUs)
2079  {
2080  Ret = FALSE;
2081  break;
2082  }
2083 
2084  if (AcceptMessage)
2085  {
2086  *pMsg = msg;
2087  // Fix all but one wine win:test_GetMessagePos WM_TIMER tests. See PostTimerMessages.
2088  if (!RtlEqualMemory(&pti->ptLast, &msg.pt, sizeof(POINT)))
2089  {
2090  pti->TIF_flags |= TIF_MSGPOSCHANGED;
2091  }
2092  pti->ptLast = msg.pt;
2093  pti->timeLast = msg.time;
2094  MessageQueue->ExtraInfo = ExtraInfo;
2095  Ret = TRUE;
2096  break;
2097  }
2098  }
2099  }
2100 
2101  MessageQueue->ptiSysLock = NULL;
2102  pti->pcti->CTI_flags &= ~CTI_THREADSYSLOCK;
2103  return Ret;
2104 }
static VOID UpdateKeyStateFromMsg(PUSER_MESSAGE_QUEUE MessageQueue, MSG *msg)
Definition: msgqueue.c:265
#define TRUE
Definition: types.h:120
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
#define PWND_BOTTOM
Definition: ntuser.h:731
struct @1591 Msg[]
static INT FASTCALL filter_contains_hw_range(UINT first, UINT last)
Definition: msgqueue.c:1970
_Must_inspect_result_ FORCEINLINE BOOLEAN IsListEmpty(_In_ const LIST_ENTRY *ListHead)
Definition: rtlfuncs.h:57
uint32_t ULONG_PTR
Definition: typedefs.h:63
VOID FASTCALL MsqDestroyMessage(PUSER_MESSAGE Message)
Definition: msgqueue.c:748
Definition: window.c:28
unsigned int BOOL
Definition: ntddk_ex.h:94
smooth NULL
Definition: ftsmooth.c:416
BOOL co_IntProcessHardwareMessage(MSG *Msg, BOOL *RemoveMessages, BOOL *NotForUs, LONG_PTR ExtraInfo, UINT first, UINT last)
Definition: msgqueue.c:1954
_In_ BOOLEAN Remove
Definition: psfuncs.h:110
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
Definition: Messaging.c:560
struct _LIST_ENTRY * Flink
Definition: typedefs.h:119
#define TRACE(s)
Definition: solgame.cpp:4
#define CTI_THREADSYSLOCK
Definition: ntuser.h:160
VOID FASTCALL ClearMsgBitsMask(PTHREADINFO pti, UINT MessageBits)
Definition: msgqueue.c:445
NTSYSAPI ULONG NTAPI RtlEqualMemory(CONST VOID *Source1, CONST VOID *Source2, ULONG Length)
unsigned long DWORD
Definition: ntddk_ex.h:95
PTHREADINFO ptiSysLock
Definition: msgqueue.h:52
ULONG_PTR idSysPeek
Definition: msgqueue.h:54
Definition: typedefs.h:117
#define TIF_MSGPOSCHANGED
Definition: ntuser.h:260
#define ERR(fmt,...)
Definition: debug.h:109
__int3264 LONG_PTR
Definition: mstsclib_h.h:276
#define msg(x)
Definition: auth_time.c:54
#define ULONG_PTR
Definition: config.h:101
static BOOL is_mouse_message(UINT message)
Definition: msgqueue.c:1986
LIST_ENTRY HardwareMessagesListHead
Definition: msgqueue.h:59

Referenced by co_IntPeekMessage().

◆ co_MsqReplyMessage()

BOOL FASTCALL co_MsqReplyMessage ( LRESULT  lResult)

Definition at line 2510 of file msgqueue.c.

2511 {
2513  PTHREADINFO pti;
2514 
2516  Message = pti->pusmCurrent;
2517 
2518  if (!Message) return FALSE;
2519 
2520  if (Message->QS_Flags & QS_SMRESULT) return FALSE;
2521 
2522  // SendMessageXxx || Callback msg and not a notify msg
2523  if (Message->ptiSender || Message->CompletionCallback)
2524  {
2525  Message->lResult = lResult;
2526  Message->QS_Flags |= QS_SMRESULT;
2527  // See co_MsqDispatchOneSentMessage, change bits already accounted for and cleared and this msg is going away..
2528  }
2529  return TRUE;
2530 }
#define TRUE
Definition: types.h:120
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define QS_SMRESULT
Definition: undocuser.h:93
struct _USER_SENT_MESSAGE * pusmCurrent
Definition: win32.h:97
CHAR Message[80]
Definition: alive.c:5

Referenced by NtUserCallOneParam().

◆ co_MsqSendMessage()

NTSTATUS FASTCALL co_MsqSendMessage ( PTHREADINFO  ptirec,
HWND  Wnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam,
UINT  uTimeout,
BOOL  Block,
INT  HookMessage,
ULONG_PTR uResult 
)

Definition at line 1057 of file msgqueue.c.

1066 {
1067  PTHREADINFO pti;
1068  PUSER_SENT_MESSAGE SaveMsg, Message;
1069  NTSTATUS WaitStatus;
1072  PWND pWnd;
1073  BOOLEAN SwapStateEnabled;
1074  LRESULT Result = 0;
1075 
1077  ASSERT(pti != ptirec);
1078  ASSERT(ptirec->pcti); // Send must have a client side to receive it!!!!
1079 
1080  /* Don't send from or to a dying thread */
1081  if (pti->TIF_flags & TIF_INCLEANUP || ptirec->TIF_flags & TIF_INCLEANUP)
1082  {
1083  // Unless we are dying and need to tell our parents.
1084  if (pti->TIF_flags & TIF_INCLEANUP && !(ptirec->TIF_flags & TIF_INCLEANUP))
1085  {
1086  // Parent notify is the big one. Fire and forget!
1087  TRACE("Send message from dying thread %u\n", Msg);
1088  co_MsqSendMessageAsync(ptirec, Wnd, Msg, wParam, lParam, NULL, 0, FALSE, HookMessage);
1089  }
1090  if (uResult) *uResult = -1;
1091  TRACE("MsqSM: Msg %u Current pti %lu or Rec pti %lu\n", Msg, pti->TIF_flags & TIF_INCLEANUP, ptirec->TIF_flags & TIF_INCLEANUP);
1092  return STATUS_UNSUCCESSFUL;
1093  }
1094 
1095  if (IsThreadSuspended(ptirec))
1096  {
1097  ERR("Sending to Suspended Thread Msg %lx\n",Msg);
1098  if (uResult) *uResult = -1;
1099  return STATUS_UNSUCCESSFUL;
1100  }
1101 
1102  // Should we do the same for No Wait?
1103  if ( HookMessage == MSQ_NORMAL )
1104  {
1105  pWnd = ValidateHwndNoErr(Wnd);
1106 
1107  // These can not cross International Border lines!
1108  if ( pti->ppi != ptirec->ppi && pWnd )
1109  {
1110  switch(Msg)
1111  {
1112  // Handle the special case when working with password transfers across bordering processes.
1113  case EM_GETLINE:
1114  case EM_SETPASSWORDCHAR:
1115  case WM_GETTEXT:
1116  // Look for edit controls setup for passwords.
1117  if ( gpsi->atomSysClass[ICLS_EDIT] == pWnd->pcls->atomClassName && // Use atomNVClassName.
1118  pWnd->style & ES_PASSWORD )
1119  {
1120  if (uResult) *uResult = -1;
1121  ERR("Running across the border without a passport!\n");
1123  return STATUS_UNSUCCESSFUL;
1124  }
1125  break;
1126  case WM_NOTIFY:
1127  if (uResult) *uResult = -1;
1128  ERR("Running across the border without a passport!\n");
1129  return STATUS_UNSUCCESSFUL;
1130  }
1131  }
1132 
1133  // These can not cross State lines!
1134  if ( Msg == WM_CREATE || Msg == WM_NCCREATE )
1135  {
1136  if (uResult) *uResult = -1;
1137  ERR("Can not tell the other State we have Create!\n");
1138  return STATUS_UNSUCCESSFUL;
1139  }
1140  }
1141 
1142  if(!(Message = AllocateUserMessage(TRUE)))
1143  {
1144  ERR("MsqSendMessage(): Not enough memory to allocate a message\n");
1145  if (uResult) *uResult = -1;
1147  }
1148 
1149  Timeout.QuadPart = Int32x32To64(-10000,uTimeout); // Pass SMTO test with a TO of 0x80000000.
1150  TRACE("Timeout val %lld\n",Timeout.QuadPart);
1151 
1152  Message->Msg.hwnd = Wnd;
1153  Message->Msg.message = Msg;
1154  Message->Msg.wParam = wParam;
1155  Message->Msg.lParam = lParam;
1156  Message->ptiReceiver = ptirec;
1157  Message->ptiSender = pti;
1158  Message->HookMessage = HookMessage;
1159  Message->QS_Flags = QS_SENDMESSAGE;
1160 
1161  SaveMsg = pti->pusmSent;
1162  pti->pusmSent = Message;
1163 
1164  /* Queue it in the destination's message queue */
1165  InsertTailList(&ptirec->SentMessagesListHead, &Message->ListEntry);
1166 
1167  MsqWakeQueue(ptirec, QS_SENDMESSAGE, TRUE);
1168 
1169  // First time in, turn off swapping of the stack.
1170  if (pti->cEnterCount == 0)
1171  {
1172  SwapStateEnabled = KeSetKernelStackSwapEnable(FALSE);
1173  }
1174  pti->cEnterCount++;
1175 
1176  if (Block)
1177  {
1178  PVOID WaitObjects[2];
1179 
1180  WaitObjects[0] = Message->pkCompletionEvent; // Wait 0
1181  WaitObjects[1] = ptirec->pEThread; // Wait 1
1182 
1183  UserLeaveCo();
1184 
1185  WaitStatus = KeWaitForMultipleObjects( 2,
1186  WaitObjects,
1187  WaitAny,
1188  UserRequest,
1189  UserMode,
1190  FALSE,
1191  (uTimeout ? &Timeout : NULL),
1192  NULL );
1193 
1194  UserEnterCo();
1195 
1196  if (WaitStatus == STATUS_TIMEOUT)
1197  {
1198  /* Look up if the message has not yet dispatched, if so
1199  make sure it can't pass a result and it must not set the completion event anymore */
1200  Entry = ptirec->SentMessagesListHead.Flink;
1201  while (Entry != &ptirec->SentMessagesListHead)
1202  {
1203  if (CONTAINING_RECORD(Entry, USER_SENT_MESSAGE, ListEntry) == Message)
1204  {
1205  Message->pkCompletionEvent = NULL;
1206  RemoveEntryList(&Message->ListEntry);
1207  ClearMsgBitsMask(ptirec, Message->QS_Flags);
1208  InsertTailList(&usmList, &Message->ListEntry);
1209  break;
1210  }
1211  Entry = Entry->Flink;
1212  }
1213 
1214  ERR("MsqSendMessage (blocked) timed out 1 Status %lx\n", WaitStatus);
1215  }
1216  // Receiving thread passed on and left us hanging with issues still pending.
1217  else if (WaitStatus == STATUS_WAIT_1)
1218  {
1219  ERR("Bk Receiving Thread woken up dead!\n");
1220  Message->flags |= SMF_RECEIVERDIED;
1221  }
1222 
1223  while (co_MsqDispatchOneSentMessage(pti))
1224  ;
1225  }
1226  else
1227  {
1228  PVOID WaitObjects[3];
1229 
1230  WaitObjects[0] = Message->pkCompletionEvent; // Wait 0
1231  WaitObjects[1] = pti->pEventQueueServer; // Wait 1
1232  WaitObjects[2] = ptirec->pEThread; // Wait 2
1233 
1234  do
1235  {
1236  UserLeaveCo();
1237 
1238  WaitStatus = KeWaitForMultipleObjects( 3,
1239  WaitObjects,
1240  WaitAny,
1241  UserRequest,
1242  UserMode,
1243  FALSE,
1244  (uTimeout ? &Timeout : NULL),
1245  NULL);
1246 
1247  UserEnterCo();
1248 
1249  if (WaitStatus == STATUS_TIMEOUT)
1250  {
1251  /* Look up if the message has not yet been dispatched, if so
1252  make sure it can't pass a result and it must not set the completion event anymore */
1253  Entry = ptirec->SentMessagesListHead.Flink;
1254  while (Entry != &ptirec->SentMessagesListHead)
1255  {
1256  if (CONTAINING_RECORD(Entry, USER_SENT_MESSAGE, ListEntry) == Message)
1257  {
1258  Message->pkCompletionEvent = NULL;
1259  RemoveEntryList(&Message->ListEntry);
1260  ClearMsgBitsMask(ptirec, Message->QS_Flags);
1261  InsertTailList(&usmList, &Message->ListEntry);
1262  break;
1263  }
1264  Entry = Entry->Flink;
1265  }
1266 
1267  ERR("MsqSendMessage timed out 2 Status %lx\n", WaitStatus);
1268  break;
1269  }
1270  // Receiving thread passed on and left us hanging with issues still pending.
1271  else if (WaitStatus == STATUS_WAIT_2)
1272  {
1273  ERR("NB Receiving Thread woken up dead!\n");
1274  Message->flags |= SMF_RECEIVERDIED;
1275  break;
1276  }
1277 
1278  if (WaitStatus == STATUS_USER_APC) break;
1279 
1280  while (co_MsqDispatchOneSentMessage(pti))
1281  ;
1282  } while (WaitStatus == STATUS_WAIT_1);
1283  }
1284 
1285  // Count is nil, restore swapping of the stack.
1286  if (--pti->cEnterCount == 0 )
1287  {
1288  KeSetKernelStackSwapEnable(SwapStateEnabled);
1289  }
1290 
1291  // Handle User APC
1292  if (WaitStatus == STATUS_USER_APC)
1293  {
1294  // The current thread is dying!
1295  TRACE("User APC\n");
1296 
1297  // The Message will be on the Trouble list until Thread cleanup.
1298  Message->flags |= SMF_SENDERDIED;
1299 
1301  ERR("User APC Returned\n"); // Should not see this message.
1302  }
1303 
1304  // Force this thread to wake up for the next go around.
1306 
1307  Result = Message->lResult;
1308 
1309  // Determine whether this message is being processed or not.
1311  {
1312  Message->flags |= SMF_RECEIVERFREE;
1313  }
1314 
1315  if (!(Message->flags & SMF_RECEIVERFREE))
1316  {
1317  TRACE("Sender Freeing Message %p ptirec %p bit %d list empty %d\n",Message,ptirec,!!(ptirec->pcti->fsChangeBits & QS_SENDMESSAGE),IsListEmpty(&ptirec->SentMessagesListHead));
1318  // Make it to this point, the message was received.
1320  }
1321 
1322  pti->pusmSent = SaveMsg;
1323 
1324  TRACE("MSM Allocation Count %d Status %lx Result %d\n",SendMsgCount,WaitStatus,Result);
1325 
1326  if (WaitStatus != STATUS_TIMEOUT)
1327  {
1328  if (uResult)
1329  {
1330  *uResult = (STATUS_WAIT_0 == WaitStatus ? Result : 0);
1331  }
1332  }
1333 
1334  return WaitStatus;
1335 }
VOID FASTCALL MsqWakeQueue(PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
Definition: msgqueue.c:412
#define TRUE
Definition: types.h:120
struct _USER_SENT_MESSAGE * pusmSent
Definition: win32.h:96
PWND FASTCALL ValidateHwndNoErr(HWND hWnd)
Definition: window.c:96
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
struct _Entry Entry
Definition: kefuncs.h:640
BOOLEAN FASTCALL co_MsqDispatchOneSentMessage(_In_ PTHREADINFO pti)
Definition: msgqueue.c:873
FLONG TIF_flags
Definition: win32.h:94
#define WM_GETTEXT
Definition: winuser.h:1600
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
struct @1591 Msg[]
LONG NTSTATUS
Definition: precomp.h:26
#define ICLS_EDIT
Definition: ntuser.h:874
#define SMF_SENDERDIED
Definition: msgqueue.h:39
#define InsertTailList(ListHead, Entry)
LONG NTAPI KeSetEvent(IN PKEVENT Event, IN KPRIORITY Increment, IN BOOLEAN Wait)
Definition: eventobj.c:159
#define WM_NCCREATE
Definition: winuser.h:1665
RTL_ATOM atomClassName
Definition: ntuser.h:536
PSERVERINFO gpsi
Definition: main.c:27
_Must_inspect_result_ FORCEINLINE BOOLEAN IsListEmpty(_In_ const LIST_ENTRY *ListHead)
Definition: rtlfuncs.h:57
WPARAM wParam
Definition: combotst.c:138
PPROCESSINFO ppi
Definition: win32.h:87
INT SendMsgCount
Definition: msgqueue.c:19
#define ES_PASSWORD
Definition: pedump.c:670
FORCEINLINE BOOLEAN RemoveEntryList(_In_ PLIST_ENTRY Entry)
Definition: rtlfuncs.h:105
#define STATUS_TIMEOUT
Definition: ntstatus.h:81
#define STATUS_WAIT_2
Definition: ntstatus.h:72
#define STATUS_WAIT_1
Definition: ntstatus.h:71
BOOL FASTCALL co_MsqSendMessageAsync(PTHREADINFO ptiReceiver, HWND hwnd, UINT Msg, WPARAM wParam, LPARAM lParam, SENDASYNCPROC CompletionCallback, ULONG_PTR CompletionCallbackContext, BOOL HasPackedLParam, INT HookMessage)
Definition: msgqueue.c:1014
VOID FASTCALL co_IntDeliverUserAPC(VOID)
Definition: callback.c:1146
#define STATUS_WAIT_0
Definition: ntstatus.h:223
#define ERROR_ACCESS_DENIED
Definition: compat.h:87
LIST_ENTRY SentMessagesListHead
Definition: win32.h:99
#define UserLeaveCo
Definition: ntuser.h:10
#define SMF_RECEIVERFREE
Definition: msgqueue.h:40
unsigned char BOOLEAN
smooth NULL
Definition: ftsmooth.c:416
_At_(*)(_In_ PWSK_CLIENT Client, _In_opt_ PUNICODE_STRING NodeName, _In_opt_ PUNICODE_STRING ServiceName, _In_opt_ ULONG NameSpace, _In_opt_ GUID *Provider, _In_opt_ PADDRINFOEXW Hints, _Outptr_ PADDRINFOEXW *Result, _In_opt_ PEPROCESS OwningProcess, _In_opt_ PETHREAD OwningThread, _Inout_ PIRP Irp Result)(Mem)) NTSTATUS(WSKAPI *PFN_WSK_GET_ADDRESS_INFO
Definition: wsk.h:426
#define QS_SENDMESSAGE
Definition: winuser.h:892
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
Definition: Messaging.c:560
#define SMF_RECEIVERBUSY
Definition: msgqueue.h:42
struct _LIST_ENTRY * Flink
Definition: typedefs.h:119
#define TRACE(s)
Definition: solgame.cpp:4
VOID FASTCALL ClearMsgBitsMask(PTHREADINFO pti, UINT MessageBits)
Definition: msgqueue.c:445
#define EM_SETPASSWORDCHAR
Definition: winuser.h:1996
PKEVENT pEventQueueServer
Definition: win32.h:124
VOID FASTCALL FreeUserMessage(PUSER_SENT_MESSAGE Message)
Definition: msgqueue.c:786
#define UserEnterCo
Definition: ntuser.h:9
NTSTATUS NTAPI KeWaitForMultipleObjects(IN ULONG Count, IN PVOID Object[], IN WAIT_TYPE WaitType, IN KWAIT_REASON WaitReason, IN KPROCESSOR_MODE WaitMode, IN BOOLEAN Alertable, IN PLARGE_INTEGER Timeout OPTIONAL, OUT PKWAIT_BLOCK WaitBlockArray OPTIONAL)
Definition: wait.c:586
#define SMF_RECEIVERDIED
Definition: msgqueue.h:38
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
#define STATUS_UNSUCCESSFUL
Definition: udferr_usr.h:132
CHAR Message[80]
Definition: alive.c:5
PUSER_SENT_MESSAGE FASTCALL AllocateUserMessage(BOOL KEvent)
Definition: msgqueue.c:763
Definition: typedefs.h:117
#define STATUS_USER_APC
Definition: ntstatus.h:78
#define ERR(fmt,...)
Definition: debug.h:109
Definition: ntuser.h:657
#define MSQ_NORMAL
Definition: msgqueue.h:4
static ULONG Timeout
Definition: ping.c:61
BOOL FASTCALL IsThreadSuspended(PTHREADINFO pti)
Definition: msgqueue.c:2206
#define WM_CREATE
Definition: winuser.h:1590
#define EM_GETLINE
Definition: winuser.h:1973
#define IO_NO_INCREMENT
Definition: iotypes.h:566
LONG_PTR LRESULT
Definition: windef.h:209
LPARAM lParam
Definition: combotst.c:139
INT cEnterCount
Definition: win32.h:129
#define TIF_INCLEANUP
Definition: ntuser.h:240
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27
base of all file and directory entries
Definition: entries.h:82
#define Int32x32To64(a, b)
#define WM_NOTIFY
Definition: richedit.h:61
#define SMF_RECEIVEDMESSAGE
Definition: msgqueue.h:41
BOOLEAN NTAPI KeSetKernelStackSwapEnable(IN BOOLEAN Enable)
Definition: thrdobj.c:997
ATOM atomSysClass[ICLS_NOTUSED+1]
Definition: ntuser.h:1013
LIST_ENTRY usmList
Definition: msgqueue.c:23
PCLS pcls
Definition: ntuser.h:684
DWORD style
Definition: ntuser.h:670

Referenced by co_IntCallLowLevelHook(), and co_IntSendMessageTimeoutSingle().

◆ co_MsqSendMessageAsync()

BOOL FASTCALL co_MsqSendMessageAsync ( PTHREADINFO  ptiReceiver,
HWND  hwnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam,
SENDASYNCPROC  CompletionCallback,
ULONG_PTR  CompletionCallbackContext,
BOOL  HasPackedLParam,
INT  HookMessage 
)

Definition at line 1014 of file msgqueue.c.

1023 {
1024 
1025  PTHREADINFO ptiSender;
1027 
1029  {
1030  ERR("MsqSendMessageAsync(): Not enough memory to allocate a message");
1031  return FALSE;
1032  }
1033 
1034  ptiSender = PsGetCurrentThreadWin32Thread();
1035 
1036  Message->Msg.hwnd = hwnd;
1037  Message->Msg.message = Msg;
1038  Message->Msg.wParam = wParam;
1039  Message->Msg.lParam = lParam;
1040  Message->pkCompletionEvent = NULL; // No event needed.
1041  Message->ptiReceiver = ptiReceiver;
1042  Message->ptiCallBackSender = ptiSender;
1043  Message->CompletionCallback = CompletionCallback;
1044  Message->CompletionCallbackContext = CompletionCallbackContext;
1045  Message->HookMessage = HookMessage;
1046  Message->HasPackedLParam = HasPackedLParam;
1047  Message->QS_Flags = QS_SENDMESSAGE;
1048  Message->flags = SMF_RECEIVERFREE;
1049 
1050  InsertTailList(&ptiReceiver->SentMessagesListHead, &Message->ListEntry);
1051  MsqWakeQueue(ptiReceiver, QS_SENDMESSAGE, TRUE);
1052 
1053  return TRUE;
1054 }
const DOCKBAR PVOID HWND HWND * hwnd
Definition: tooldock.h:22
VOID FASTCALL MsqWakeQueue(PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
Definition: msgqueue.c:412
#define TRUE
Definition: types.h:120
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
struct @1591 Msg[]
#define InsertTailList(ListHead, Entry)
WPARAM wParam
Definition: combotst.c:138
LIST_ENTRY SentMessagesListHead
Definition: win32.h:99
#define SMF_RECEIVERFREE
Definition: msgqueue.h:40
smooth NULL
Definition: ftsmooth.c:416
#define QS_SENDMESSAGE
Definition: winuser.h:892
CHAR Message[80]
Definition: alive.c:5
PUSER_SENT_MESSAGE FASTCALL AllocateUserMessage(BOOL KEvent)
Definition: msgqueue.c:763
#define ERR(fmt,...)
Definition: debug.h:109
const TCHAR * CompletionCallback(unsigned __int64 &rnIndex, const BOOL *pblnForward, const TCHAR *pszContext, const TCHAR *pszBegin)
Definition: Completion.cpp:439
LPARAM lParam
Definition: combotst.c:139

Referenced by co_MsqSendMessage(), IntHookModuleUnloaded(), and UserRegisterUserApiHook().

◆ co_MsqWaitForNewMessages()

NTSTATUS FASTCALL co_MsqWaitForNewMessages ( PTHREADINFO  pti,
PWND  WndFilter,
UINT  MsgFilterMin,
UINT  MsgFilterMax 
)

Definition at line 2164 of file msgqueue.c.

2166 {
2168 
2169  // Post mouse moves before waiting for messages.
2170  if (pti->MessageQueue->QF_flags & QF_MOUSEMOVED)
2171  {
2172  IntCoalesceMouseMove(pti);
2173  }
2174 
2175  UserLeaveCo();
2176 
2177  ZwYieldExecution(); // Let someone else run!
2178 
2180  UserRequest,
2181  UserMode,
2182  FALSE,
2183  NULL );
2184  UserEnterCo();
2185  if ( ret == STATUS_USER_APC )
2186  {
2187  TRACE("MWFNW User APC\n");
2189  }
2190  return ret;
2191 }
LONG NTSTATUS
Definition: precomp.h:26
NTSTATUS NTAPI KeWaitForSingleObject(IN PVOID Object, IN KWAIT_REASON WaitReason, IN KPROCESSOR_MODE WaitMode, IN BOOLEAN Alertable, IN PLARGE_INTEGER Timeout OPTIONAL)
Definition: wait.c:416
VOID FASTCALL co_IntDeliverUserAPC(VOID)
Definition: callback.c:1146
#define UserLeaveCo
Definition: ntuser.h:10
NTSYSAPI NTSTATUS NTAPI ZwYieldExecution(VOID)
smooth NULL
Definition: ftsmooth.c:416
#define TRACE(s)
Definition: solgame.cpp:4
PKEVENT pEventQueueServer
Definition: win32.h:124
#define UserEnterCo
Definition: ntuser.h:9
VOID FASTCALL IntCoalesceMouseMove(PTHREADINFO pti)
Definition: msgqueue.c:551
int ret
#define STATUS_USER_APC
Definition: ntstatus.h:78
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
return STATUS_SUCCESS
Definition: btrfs.c:2938
#define QF_MOUSEMOVED
Definition: msgqueue.h:99

Referenced by co_IntGetPeekMessage(), and co_IntWaitMessage().

◆ DBG_DEFAULT_CHANNEL()

DBG_DEFAULT_CHANNEL ( UserMsgQ  )

◆ filter_contains_hw_range()

static INT FASTCALL filter_contains_hw_range ( UINT  first,
UINT  last 
)
static

Definition at line 1970 of file msgqueue.c.

1971 {
1972  /* hardware message ranges are (in numerical order):
1973  * WM_NCMOUSEFIRST .. WM_NCMOUSELAST
1974  * WM_KEYFIRST .. WM_KEYLAST
1975  * WM_MOUSEFIRST .. WM_MOUSELAST
1976  */
1977  if (!last) --last;
1978  if (last < WM_NCMOUSEFIRST) return 0;
1979  if (first > WM_NCMOUSELAST && last < WM_KEYFIRST) return 0;
1980  if (first > WM_KEYLAST && last < WM_MOUSEFIRST) return 0;
1981  if (first > WM_MOUSELAST) return 0;
1982  return 1;
1983 }
#define WM_MOUSEFIRST
Definition: winuser.h:1756
POINT last
Definition: font.c:46
const GLint * first
Definition: glext.h:5794
#define WM_KEYFIRST
Definition: winuser.h:1696
#define WM_NCMOUSELAST
Definition: msgqueue.h:240
#define WM_NCMOUSEFIRST
Definition: msgqueue.h:239
#define WM_MOUSELAST
Definition: winuser.h:1783
#define WM_KEYLAST
Definition: winuser.h:1710

Referenced by co_MsqPeekHardwareMessage().

◆ FreeUserMessage()

VOID FASTCALL FreeUserMessage ( PUSER_SENT_MESSAGE  Message)

Definition at line 786 of file msgqueue.c.

787 {
788  Message->pkCompletionEvent = NULL;
789 
790  /* Remove it from the list */
791  RemoveEntryList(&Message->ListEntry);
792 
793  ExFreeToPagedLookasideList(pgSendMsgLookasideList, Message);
794  SendMsgCount--;
795 }
INT SendMsgCount
Definition: msgqueue.c:19
FORCEINLINE BOOLEAN RemoveEntryList(_In_ PLIST_ENTRY Entry)
Definition: rtlfuncs.h:105
smooth NULL
Definition: ftsmooth.c:416
CHAR Message[80]
Definition: alive.c:5
static PPAGED_LOOKASIDE_LIST pgSendMsgLookasideList
Definition: msgqueue.c:17

Referenced by co_MsqDispatchOneSentMessage(), co_MsqSendMessage(), MsqCleanupThreadMsgs(), and MsqRemoveWindowMessagesFromQueue().

◆ HungAppSysTimerProc()

VOID CALLBACK HungAppSysTimerProc ( HWND  hwnd,
UINT  uMsg,
UINT_PTR  idEvent,
DWORD  dwTime 
)

Definition at line 2219 of file msgqueue.c.

2220 {
2221  DoTheScreenSaver();
2222  TRACE("HungAppSysTimerProc\n");
2223  // Process list of windows that are hung and waiting.
2224 }
#define TRACE(s)
Definition: solgame.cpp:4
VOID FASTCALL DoTheScreenSaver(VOID)
Definition: input.c:48

Referenced by StartTheTimers().

◆ IntCoalesceMouseMove()

VOID FASTCALL IntCoalesceMouseMove ( PTHREADINFO  pti)

Definition at line 551 of file msgqueue.c.

552 {
553  MSG Msg;
554 
555  // Force time stamp to update, keeping message time in sync.
556  if (gdwMouseMoveTimeStamp == 0)
557  {
559  }
560 
561  // Build mouse move message.
562  Msg.hwnd = NULL;
563  Msg.message = WM_MOUSEMOVE;
564  Msg.wParam = 0;
565  Msg.lParam = MAKELONG(gpsi->ptCursor.x, gpsi->ptCursor.y);
566  Msg.time = gdwMouseMoveTimeStamp;
567  Msg.pt = gpsi->ptCursor;
568 
569  // Post the move.
571 
572  // Zero the time stamp.
574 
575  // Clear flag since the move was posted.
576  pti->MessageQueue->QF_flags &= ~QF_MOUSEMOVED;
577 }
#define EngGetTickCount32()
Definition: eng.h:43
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
struct @1591 Msg[]
ULONG_PTR gdwMouseMoveExtraInfo
Definition: msgqueue.c:21
PSERVERINFO gpsi
Definition: main.c:27
#define MAKELONG(a, b)
Definition: typedefs.h:248
smooth NULL
Definition: ftsmooth.c:416
VOID FASTCALL MsqPostMouseMove(PTHREADINFO pti, MSG *Msg, LONG_PTR ExtraInfo)
Definition: msgqueue.c:518
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
#define WM_MOUSEMOVE
Definition: winuser.h:1757
#define QF_MOUSEMOVED
Definition: msgqueue.h:99
DWORD gdwMouseMoveTimeStamp
Definition: msgqueue.c:22

Referenced by co_IntPeekMessage(), co_MsqInsertMouseMessage(), co_MsqWaitForNewMessages(), and ProcessKeyEvent().

◆ IntMsqClearWakeMask()

BOOL FASTCALL IntMsqClearWakeMask ( VOID  )

Definition at line 392 of file msgqueue.c.

393 {
394  PTHREADINFO Win32Thread;
395 
396  Win32Thread = PsGetCurrentThreadWin32Thread();
397  if (Win32Thread == NULL || Win32Thread->MessageQueue == NULL)
398  return FALSE;
399  // Very hacky, but that is what they do.
400  Win32Thread->pcti->fsWakeBits = 0;
401 
402  IdlePong();
403 
404  return TRUE;
405 }
#define TRUE
Definition: types.h:120
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
smooth NULL
Definition: ftsmooth.c:416
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
VOID FASTCALL IdlePong(VOID)
Definition: message.c:545

Referenced by NtUserCallNoParam().

◆ IntMsqSetWakeMask()

HANDLE FASTCALL IntMsqSetWakeMask ( DWORD  WakeMask)

Definition at line 362 of file msgqueue.c.

363 {
364  PTHREADINFO Win32Thread;
365  HANDLE MessageEventHandle;
366  DWORD dwFlags = HIWORD(WakeMask);
367 
368  Win32Thread = PsGetCurrentThreadWin32Thread();
369  if (Win32Thread == NULL || Win32Thread->MessageQueue == NULL)
370  return 0;
371 
372 // Win32Thread->pEventQueueServer; IntMsqSetWakeMask returns Win32Thread->hEventQueueClient
373  MessageEventHandle = Win32Thread->hEventQueueClient;
374 
375  if (Win32Thread->pcti)
376  {
377  if ( (Win32Thread->pcti->fsChangeBits & LOWORD(WakeMask)) ||
378  ( (dwFlags & MWMO_INPUTAVAILABLE) && (Win32Thread->pcti->fsWakeBits & LOWORD(WakeMask)) ) )
379  {
380  ERR("Chg 0x%x Wake 0x%x Mask 0x%x\n",Win32Thread->pcti->fsChangeBits, Win32Thread->pcti->fsWakeBits, WakeMask);
381  KeSetEvent(Win32Thread->pEventQueueServer, IO_NO_INCREMENT, FALSE); // Wake it up!
382  return MessageEventHandle;
383  }
384  }
385 
386  IdlePing();
387 
388  return MessageEventHandle;
389 }
#define MWMO_INPUTAVAILABLE
Definition: winuser.h:900
VOID FASTCALL IdlePing(VOID)
Definition: message.c:515
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
LONG NTAPI KeSetEvent(IN PKEVENT Event, IN KPRIORITY Increment, IN BOOLEAN Wait)
Definition: eventobj.c:159
smooth NULL
Definition: ftsmooth.c:416
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
PKEVENT pEventQueueServer
Definition: win32.h:124
unsigned long DWORD
Definition: ntddk_ex.h:95
_In_ PCCERT_CONTEXT _In_ DWORD dwFlags
Definition: wincrypt.h:1175
#define ERR(fmt,...)
Definition: debug.h:109
HANDLE hEventQueueClient
Definition: win32.h:122
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
#define HIWORD(l)
Definition: typedefs.h:246
#define IO_NO_INCREMENT
Definition: iotypes.h:566
#define LOWORD(l)
Definition: pedump.c:82

Referenced by NtUserCallOneParam().

◆ IntTopLevelWindowFromPoint()

PWND FASTCALL IntTopLevelWindowFromPoint ( INT  x,
INT  y 
)

Definition at line 61 of file msgqueue.c.

62 {
63  PWND pWnd, pwndDesktop;
64 
65  /* Get the desktop window */
66  pwndDesktop = UserGetDesktopWindow();
67  if (!pwndDesktop)
68  return NULL;
69 
70  /* Loop all top level windows */
71  for (pWnd = pwndDesktop->spwndChild;
72  pWnd != NULL;
73  pWnd = pWnd->spwndNext)
74  {
75  if (pWnd->state2 & WNDS2_INDESTROY || pWnd->state & WNDS_DESTROYED)
76  {
77  TRACE("The Window is in DESTROY!\n");
78  continue;
79  }
80 
81  if ((pWnd->style & WS_VISIBLE) &&
83  IntPtInWindow(pWnd, x, y))
84  return pWnd;
85  }
86 
87  /* Window has not been found */
88  return pwndDesktop;
89 }
DWORD ExStyle
Definition: ntuser.h:668
#define WS_EX_TRANSPARENT
Definition: pedump.c:649
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
FORCEINLINE BOOL IntPtInWindow(PWND pwnd, INT x, INT y)
Definition: winpos.h:30
smooth NULL
Definition: ftsmooth.c:416
struct _WND * spwndNext
Definition: ntuser.h:675
#define TRACE(s)
Definition: solgame.cpp:4
#define WS_EX_LAYERED
Definition: winuser.h:389
PWND FASTCALL UserGetDesktopWindow(VOID)
Definition: desktop.c:1349
Definition: ntuser.h:657
DWORD state
Definition: ntuser.h:665
GLint GLint GLint GLint GLint GLint y
Definition: gl.h:1548
DWORD state2
Definition: ntuser.h:666
struct _WND * spwndChild
Definition: ntuser.h:678
#define WS_VISIBLE
Definition: pedump.c:620
#define WNDS_DESTROYED
Definition: ntuser.h:604
#define WNDS2_INDESTROY
Definition: ntuser.h:616
DWORD style
Definition: ntuser.h:670

Referenced by co_MsqInsertMouseMessage(), UserSetCursor(), and UserShowCursor().

◆ IntTrackMouseMove()

VOID FASTCALL IntTrackMouseMove ( PWND  pwndTrack,
PDESKTOP  pDesk,
PMSG  msg,
USHORT  hittest 
)

Definition at line 1420 of file msgqueue.c.

1421 {
1422 // PWND pwndTrack = IntChildrenWindowFromPoint(pwndMsg, msg->pt.x, msg->pt.y);
1423 // hittest = (USHORT)GetNCHitEx(pwndTrack, msg->pt); /// @todo WTF is this???
1424 
1425  if ( pDesk->spwndTrack != pwndTrack || // Change with tracking window or
1426  msg->message != WM_MOUSEMOVE || // Mouse click changes or
1427  pDesk->htEx != hittest) // Change in current hit test states.
1428  {
1429  TRACE("ITMM: Track Mouse Move!\n");
1430 
1431  /* Handle only the changing window track and mouse move across a border. */
1432  if ( pDesk->spwndTrack != pwndTrack ||
1433  (pDesk->htEx == HTCLIENT) ^ (hittest == HTCLIENT) )
1434  {
1435  TRACE("ITMM: Another Wnd %d or Across Border %d\n",
1436  pDesk->spwndTrack != pwndTrack,(pDesk->htEx == HTCLIENT) ^ (hittest == HTCLIENT));
1437 
1438  if ( pDesk->dwDTFlags & DF_TME_LEAVE )
1440  (pDesk->htEx != HTCLIENT) ? WM_NCMOUSELEAVE : WM_MOUSELEAVE,
1441  0, 0);
1442 
1443  if ( pDesk->dwDTFlags & DF_TME_HOVER )
1445 
1446  /* Clear the flags to sign a change. */
1447  pDesk->dwDTFlags &= ~(DF_TME_LEAVE|DF_TME_HOVER);
1448  }
1449  /* Set the Track window and hit test. */
1450  pDesk->spwndTrack = pwndTrack;
1451  pDesk->htEx = hittest;
1452  }
1453 
1454  /* Reset, Same Track window, Hover set and Mouse Clicks or Clobbered Hover box. */
1455  if ( pDesk->spwndTrack == pwndTrack &&
1456  ( msg->message != WM_MOUSEMOVE || !RECTL_bPointInRect(&pDesk->rcMouseHover, msg->pt.x, msg->pt.y)) &&
1457  pDesk->dwDTFlags & DF_TME_HOVER )
1458  {
1459  TRACE("ITMM: Reset Hover points!\n");
1460  // Restart timer for the hover period.
1462  // Reset desktop mouse hover from the system default hover rectangle.
1463  RECTL_vSetRect(&pDesk->rcMouseHover,
1464  msg->pt.x - gspv.iMouseHoverWidth / 2,
1465  msg->pt.y - gspv.iMouseHoverHeight / 2,
1466  msg->pt.x + gspv.iMouseHoverWidth / 2,
1467  msg->pt.y + gspv.iMouseHoverHeight / 2);
1468  }
1469 }
UINT_PTR FASTCALL IntSetTimer(PWND Window, UINT_PTR IDEvent, UINT Elapse, TIMERPROC TimerFunc, INT Type)
Definition: timer.c:177
BOOL FASTCALL UserPostMessage(HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1181
DWORD htEx
Definition: desktop.h:32
#define TRUE
Definition: types.h:120
PWND spwndTrack
Definition: desktop.h:31
#define ID_EVENT_SYSTIMER_MOUSEHOVER
Definition: timer.h:27
BOOL FASTCALL IntKillTimer(PWND Window, UINT_PTR IDEvent, BOOL SystemTimer)
Definition: timer.c:573
#define DF_TME_LEAVE
Definition: desktop.h:48
INT iMouseHoverHeight
Definition: sysparams.h:86
RECT rcMouseHover
Definition: desktop.h:33
INT iMouseHoverWidth
Definition: sysparams.h:85
DWORD dwDTFlags
Definition: desktop.h:12
#define WM_MOUSELEAVE
Definition: commctrl.h:4971
VOID CALLBACK SystemTimerProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
Definition: timer.c:280
#define UserHMGetHandle(obj)
Definition: ntuser.h:208
#define TRACE(s)
Definition: solgame.cpp:4
#define TMRF_SYSTEM
Definition: timer.h:20
SPIVALUES gspv
Definition: sysparams.c:17
FORCEINLINE BOOL RECTL_bPointInRect(_In_ const RECTL *prcl, _In_ INT x, _In_ INT y)
Definition: rect.h:52
DWORD dwMouseHoverTime
Definition: desktop.h:34
#define DF_TME_HOVER
Definition: desktop.h:47
FORCEINLINE VOID RECTL_vSetRect(_Out_ RECTL *prcl, _In_ LONG left, _In_ LONG top, _In_ LONG right, _In_ LONG bottom)
Definition: rect.h:5
#define WM_MOUSEMOVE
Definition: winuser.h:1757
#define msg(x)
Definition: auth_time.c:54
#define WM_NCMOUSELEAVE
Definition: winuser.h:1824
#define HTCLIENT
Definition: winuser.h:2450

Referenced by co_IntProcessMouseMessage().

◆ is_mouse_message()

static BOOL is_mouse_message ( UINT  message)
inlinestatic

Definition at line 1986 of file msgqueue.c.

1987 {
1988  return ( //( message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST ) || This seems to break tests...
1989  ( message >= WM_MOUSEFIRST && message <= WM_MOUSELAST ) ||
1990  ( message >= WM_XBUTTONDOWN && message <= WM_XBUTTONDBLCLK ) ||
1993 }
Definition: tftpd.h:59
#define WM_MOUSEFIRST
Definition: winuser.h:1756
#define WM_LBUTTONDOWN
Definition: winuser.h:1758
#define WM_MOUSELAST
Definition: winuser.h:1783
#define WM_MBUTTONDBLCLK
Definition: winuser.h:1766
#define WM_MBUTTONDOWN
Definition: winuser.h:1764
#define WM_RBUTTONDBLCLK
Definition: winuser.h:1763

Referenced by co_MsqPeekHardwareMessage().

◆ IsThreadSuspended()

BOOL FASTCALL IsThreadSuspended ( PTHREADINFO  pti)

Definition at line 2206 of file msgqueue.c.

2207 {
2208  if (pti->pEThread)
2209  {
2210  BOOL Ret = TRUE;
2211  if (!(pti->pEThread->Tcb.SuspendCount) && !PsGetThreadFreezeCount(pti->pEThread)) Ret = FALSE;
2212  return Ret;
2213  }
2214  return FALSE;
2215 }
#define TRUE
Definition: types.h:120
unsigned int BOOL
Definition: ntddk_ex.h:94
ULONG NTAPI PsGetThreadFreezeCount(IN PETHREAD Thread)
Definition: thread.c:685

Referenced by co_MsqSendMessage(), and UpdateThreadWindows().

◆ MsqCleanupMessageQueue()

VOID FASTCALL MsqCleanupMessageQueue ( PTHREADINFO  pti)

Definition at line 2359 of file msgqueue.c.

2360 {
2361  PUSER_MESSAGE_QUEUE MessageQueue;
2362  PLIST_ENTRY CurrentEntry;
2363  PUSER_MESSAGE CurrentMessage;
2364 
2365  MessageQueue = pti->MessageQueue;
2366  MessageQueue->cThreads--;
2367 
2368  if (MessageQueue->cThreads)
2369  {
2370  if (MessageQueue->ptiSysLock == pti) MessageQueue->ptiSysLock = NULL;
2371  }
2372 
2373  if (MessageQueue->cThreads == 0)
2374  {
2375  /* cleanup posted messages */
2376  while (!IsListEmpty(&MessageQueue->HardwareMessagesListHead))
2377  {
2378  CurrentEntry = MessageQueue->HardwareMessagesListHead.Flink;
2379  CurrentMessage = CONTAINING_RECORD(CurrentEntry, USER_MESSAGE, ListEntry);
2380  ERR("MQ Cleanup Post Messages %p\n",CurrentMessage);
2381  MsqDestroyMessage(CurrentMessage);
2382  }
2383  }
2384 
2385  if (MessageQueue->CursorObject)
2386  {
2387  PCURICON_OBJECT pCursor = MessageQueue->CursorObject;
2388 
2389  /* Change to another cursor if we going to dereference current one
2390  Note: we can't use UserSetCursor because it uses current thread
2391  message queue instead of queue given for cleanup */
2392  if (IntGetSysCursorInfo()->CurrentCursorObject == pCursor)
2393  {
2394  HDC hdcScreen;
2395 
2396  /* Get the screen DC */
2397  hdcScreen = IntGetScreenDC();
2398  if (hdcScreen)
2399  GreMovePointer(hdcScreen, -1, -1);
2401  }
2402 
2403  TRACE("DereferenceObject pCursor\n");
2404  UserDereferenceObject(pCursor);
2405  }
2406 
2407  if (gpqForeground == MessageQueue)
2408  {
2410  }
2411  if (gpqForegroundPrev == MessageQueue)
2412  {
2414  }
2415  if (gpqCursor == MessageQueue)
2416  {
2417  gpqCursor = NULL;
2418  }
2419 }
PUSER_MESSAGE_QUEUE gpqForeground
Definition: focus.c:12
HDC FASTCALL IntGetScreenDC(VOID)
Definition: winsta.c:347
static HDC
Definition: imagelist.c:92
BOOL FASTCALL UserDereferenceObject(PVOID Object)
Definition: object.c:610
_Must_inspect_result_ FORCEINLINE BOOLEAN IsListEmpty(_In_ const LIST_ENTRY *ListHead)
Definition: rtlfuncs.h:57
VOID FASTCALL MsqDestroyMessage(PUSER_MESSAGE Message)
Definition: msgqueue.c:748
PCURICON_OBJECT CurrentCursorObject
Definition: cursoricon.h:74
smooth NULL
Definition: ftsmooth.c:416
PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
Definition: Messaging.c:560
struct _LIST_ENTRY * Flink
Definition: typedefs.h:119
#define TRACE(s)
Definition: solgame.cpp:4
VOID NTAPI GreMovePointer(_In_ HDC hdc, _In_ LONG x, _In_ LONG y)
Definition: mouse.c:767
PUSER_MESSAGE_QUEUE gpqCursor
Definition: msgqueue.c:20
PSYSTEM_CURSORINFO IntGetSysCursorInfo(VOID)
Definition: cursoricon.c:187
PTHREADINFO ptiSysLock
Definition: msgqueue.h:52
Definition: typedefs.h:117
PCURICON_OBJECT CursorObject
Definition: msgqueue.h:89
#define ERR(fmt,...)
Definition: debug.h:109
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
VOID FASTCALL IntSetFocusMessageQueue(PUSER_MESSAGE_QUEUE NewQueue)
Definition: desktop.c:1283
PUSER_MESSAGE_QUEUE gpqForegroundPrev
Definition: focus.c:13
LIST_ENTRY HardwareMessagesListHead
Definition: msgqueue.h:59

Referenced by MsqDestroyMessageQueue().

◆ MsqCleanupThreadMsgs()

VOID FASTCALL MsqCleanupThreadMsgs ( PTHREADINFO  pti)

Definition at line 2247 of file msgqueue.c.

2248 {
2249  PLIST_ENTRY CurrentEntry;
2250  PUSER_MESSAGE CurrentMessage;
2251  PUSER_SENT_MESSAGE CurrentSentMessage;
2252 
2253  TRACE("MsqCleanupThreadMsgs %p\n",pti);
2254 
2255  // Clear it all out.
2256  if (pti->pcti)
2257  {
2258  pti->pcti->fsWakeBits = 0;
2259  pti->pcti->fsChangeBits = 0;
2260  }
2261 
2262  pti->nCntsQBits[QSRosKey] = 0;
2263  pti->nCntsQBits[QSRosMouseMove] = 0;
2264  pti->nCntsQBits[QSRosMouseButton] = 0;
2265  pti->nCntsQBits[QSRosPostMessage] = 0;
2266  pti->nCntsQBits[QSRosSendMessage] = 0;
2267  pti->nCntsQBits[QSRosHotKey] = 0;
2268  pti->nCntsQBits[QSRosEvent] = 0;
2269 
2270  /* cleanup posted messages */
2271  while (!IsListEmpty(&pti->PostedMessagesListHead))
2272  {
2273  CurrentEntry = pti->PostedMessagesListHead.Flink;
2274  CurrentMessage = CONTAINING_RECORD(CurrentEntry, USER_MESSAGE, ListEntry);
2275  ERR("Thread Cleanup Post Messages %p\n",CurrentMessage);
2276  if (CurrentMessage->dwQEvent)
2277  {
2278  if (CurrentMessage->dwQEvent == POSTEVENT_NWE)
2279  {
2280  ExFreePoolWithTag( (PVOID)CurrentMessage->ExtraInfo, TAG_HOOK);
2281  }
2282  }
2283  MsqDestroyMessage(CurrentMessage);
2284  }
2285 
2286  /* remove the messages that have not yet been dispatched */
2287  while (!IsListEmpty(&pti->SentMessagesListHead))
2288  {
2289  CurrentEntry = pti->SentMessagesListHead.Flink;
2290  CurrentSentMessage = CONTAINING_RECORD(CurrentEntry, USER_SENT_MESSAGE, ListEntry);
2291 
2292  ERR("Thread Cleanup Sent Messages %p\n",CurrentSentMessage);
2293 
2294  /* wake the sender's thread */
2295  if (CurrentSentMessage->pkCompletionEvent != NULL)
2296  {
2297  KeSetEvent(CurrentSentMessage->pkCompletionEvent, IO_NO_INCREMENT, FALSE);
2298  }
2299 
2300  if (CurrentSentMessage->HasPackedLParam)
2301  {
2302  if (CurrentSentMessage->Msg.lParam)
2303  ExFreePool((PVOID)CurrentSentMessage->Msg.lParam);
2304  }
2305 
2306  /* free the message */
2307  FreeUserMessage(CurrentSentMessage);
2308  }
2309 
2310  // Process Trouble Message List
2311  if (!IsListEmpty(&usmList))
2312  {
2313  CurrentEntry = usmList.Flink;
2314  while (CurrentEntry != &usmList)
2315  {
2316  CurrentSentMessage = CONTAINING_RECORD(CurrentEntry, USER_SENT_MESSAGE, ListEntry);
2317  CurrentEntry = CurrentEntry->Flink;
2318 
2319  TRACE("Found troubled messages %p on the list\n",CurrentSentMessage);
2320 
2321  if ( pti == CurrentSentMessage->ptiReceiver )
2322  {
2323  if (CurrentSentMessage->HasPackedLParam)
2324  {
2325  if (CurrentSentMessage->Msg.lParam)
2326  ExFreePool((PVOID)CurrentSentMessage->Msg.lParam);
2327  }
2328 
2329  /* free the message */
2330  FreeUserMessage(CurrentSentMessage);
2331  }
2332  else if ( pti == CurrentSentMessage->ptiSender ||
2333  pti == CurrentSentMessage->ptiCallBackSender )
2334  {
2335  // Determine whether this message is being processed or not.
2336  if ((CurrentSentMessage->flags & (SMF_RECEIVERBUSY|SMF_RECEIVEDMESSAGE)) != SMF_RECEIVEDMESSAGE)
2337  {
2338  CurrentSentMessage->flags |= SMF_RECEIVERFREE;
2339  }
2340 
2341  if (!(CurrentSentMessage->flags & SMF_RECEIVERFREE))
2342  {
2343 
2344  if (CurrentSentMessage->HasPackedLParam)
2345  {
2346  if (CurrentSentMessage->Msg.lParam)
2347  ExFreePool((PVOID)CurrentSentMessage->Msg.lParam);
2348  }
2349 
2350  /* free the message */
2351  FreeUserMessage(CurrentSentMessage);
2352  }
2353  }
2354  }
2355  }
2356 }
PTHREADINFO ptiSender
Definition: msgqueue.h:28
PKEVENT pkCompletionEvent
Definition: msgqueue.h:25
#define TAG_HOOK
Definition: tags.h:5
LONG_PTR ExtraInfo
Definition: msgqueue.h:13
Definition: win32.h:40
LONG NTAPI KeSetEvent(IN PKEVENT Event, IN KPRIORITY Increment, IN BOOLEAN Wait)
Definition: eventobj.c:159
_Must_inspect_result_ FORCEINLINE BOOLEAN IsListEmpty(_In_ const LIST_ENTRY *ListHead)
Definition: rtlfuncs.h:57
VOID FASTCALL MsqDestroyMessage(PUSER_MESSAGE Message)
Definition: msgqueue.c:748
LIST_ENTRY SentMessagesListHead
Definition: win32.h:99
#define SMF_RECEIVERFREE
Definition: msgqueue.h:40
PTHREADINFO ptiReceiver
Definition: msgqueue.h:29
smooth NULL
Definition: ftsmooth.c:416
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
DWORD dwQEvent
Definition: msgqueue.h:14
PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
Definition: Messaging.c:560
#define SMF_RECEIVERBUSY
Definition: msgqueue.h:42
struct _LIST_ENTRY * Flink
Definition: typedefs.h:119
#define TRACE(s)
Definition: solgame.cpp:4
DWORD nCntsQBits[QSIDCOUNTS]
Definition: win32.h:147
VOID FASTCALL FreeUserMessage(PUSER_SENT_MESSAGE Message)
Definition: msgqueue.c:786
#define POSTEVENT_NWE
Definition: msgqueue.h:125
BOOL HasPackedLParam
Definition: msgqueue.h:34
PTHREADINFO ptiCallBackSender
Definition: msgqueue.h:31
Definition: typedefs.h:117
#define ERR(fmt,...)
Definition: debug.h:109
LIST_ENTRY PostedMessagesListHead
Definition: win32.h:131
#define IO_NO_INCREMENT
Definition: iotypes.h:566
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
#define ExFreePool(addr)
Definition: env_spec_w32.h:352
#define SMF_RECEIVEDMESSAGE
Definition: msgqueue.h:41
LIST_ENTRY usmList
Definition: msgqueue.c:23

Referenced by UserDeleteW32Thread().

◆ MsqCreateMessage()

PUSER_MESSAGE FASTCALL MsqCreateMessage ( LPMSG  Msg)

Definition at line 731 of file msgqueue.c.

732 {
734 
735  Message = ExAllocateFromPagedLookasideList(pgMessageLookasideList);
736  if (!Message)
737  {
738  return NULL;
739  }
740 
741  RtlZeroMemory(Message, sizeof(*Message));
742  RtlMoveMemory(&Message->Msg, Msg, sizeof(MSG));
743  PostMsgCount++;
744  return Message;
745 }
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
struct @1591 Msg[]
#define RtlMoveMemory(Destination, Source, Length)
Definition: typedefs.h:263
smooth NULL
Definition: ftsmooth.c:416
CHAR Message[80]
Definition: alive.c:5
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
INT PostMsgCount
Definition: msgqueue.c:18
static PPAGED_LOOKASIDE_LIST pgMessageLookasideList
Definition: msgqueue.c:16

Referenced by MsqPostMessage().

◆ MsqCreateMessageQueue()

PUSER_MESSAGE_QUEUE FASTCALL MsqCreateMessageQueue ( PTHREADINFO  pti)

Definition at line 2422 of file msgqueue.c.

2423 {
2424  PUSER_MESSAGE_QUEUE MessageQueue;
2425 
2426  MessageQueue = ExAllocatePoolWithTag(NonPagedPool,
2427  sizeof(*MessageQueue),
2428  USERTAG_Q);
2429 
2430  if (!MessageQueue)
2431  {
2432  return NULL;
2433  }
2434 
2435  RtlZeroMemory(MessageQueue, sizeof(*MessageQueue));
2436  /* hold at least one reference until it'll be destroyed */
2437  IntReferenceMessageQueue(MessageQueue);
2438  /* initialize the queue */
2439  if (!MsqInitializeMessageQueue(pti, MessageQueue))
2440  {
2441  IntDereferenceMessageQueue(MessageQueue);
2442  return NULL;
2443  }
2444 
2445  return MessageQueue;
2446 }
#define USERTAG_Q
Definition: tags.h:268
#define IntReferenceMessageQueue(MsgQueue)
Definition: msgqueue.h:217
smooth NULL
Definition: ftsmooth.c:416
#define IntDereferenceMessageQueue(MsgQueue)
Definition: msgqueue.h:220
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
BOOLEAN FASTCALL MsqInitializeMessageQueue(PTHREADINFO pti, PUSER_MESSAGE_QUEUE MessageQueue)
Definition: msgqueue.c:2227

Referenced by InitThreadCallback(), and UserAttachThreadInput().

◆ MsqDecPaintCountQueue()

VOID FASTCALL MsqDecPaintCountQueue ( PTHREADINFO  pti)

Definition at line 508 of file msgqueue.c.

509 {
511 }
VOID FASTCALL ClearMsgBitsMask(PTHREADINFO pti, UINT MessageBits)
Definition: msgqueue.c:445
#define QS_PAINT
Definition: winuser.h:887

Referenced by co_IntUpdateWindows(), co_UserFreeWindow(), IntBeginPaint(), IntGetNCUpdateRgn(), IntGetPaintMessage(), and IntInvalidateWindows().

◆ MsqDestroyMessage()

VOID FASTCALL MsqDestroyMessage ( PUSER_MESSAGE  Message)

Definition at line 748 of file msgqueue.c.

749 {
750  TRACE("Post Destroy %d\n",PostMsgCount);
751  if (Message->pti == NULL)
752  {
753  ERR("Double Free Message\n");
754  return;
755  }
756  RemoveEntryList(&Message->ListEntry);
757  Message->pti = NULL;
758  ExFreeToPagedLookasideList(pgMessageLookasideList, Message);
759  PostMsgCount--;
760 }
FORCEINLINE BOOLEAN RemoveEntryList(_In_ PLIST_ENTRY Entry)
Definition: rtlfuncs.h:105
smooth NULL
Definition: ftsmooth.c:416
#define TRACE(s)
Definition: solgame.cpp:4
CHAR Message[80]
Definition: alive.c:5
#define ERR(fmt,...)
Definition: debug.h:109
INT PostMsgCount
Definition: msgqueue.c:18
static PPAGED_LOOKASIDE_LIST pgMessageLookasideList
Definition: msgqueue.c:16

Referenced by co_MsqPeekHardwareMessage(), FindRemoveEventMsg(), MsqCleanupMessageQueue(), MsqCleanupThreadMsgs(), MsqPeekMessage(), and MsqRemoveWindowMessagesFromQueue().

◆ MsqDestroyMessageQueue()

VOID FASTCALL MsqDestroyMessageQueue ( _In_ PTHREADINFO  pti)

Definition at line 2449 of file msgqueue.c.

2450 {
2451  PDESKTOP desk;
2452  PUSER_MESSAGE_QUEUE MessageQueue = pti->MessageQueue;
2453 
2454  NT_ASSERT(MessageQueue != NULL);
2455  MessageQueue->QF_flags |= QF_INDESTROY;
2456 
2457  /* remove the message queue from any desktops */
2458  if ((desk = InterlockedExchangePointer((PVOID*)&MessageQueue->Desktop, 0)))
2459  {
2461  IntDereferenceMessageQueue(MessageQueue);
2462  }
2463 
2464  /* clean it up */
2466 
2467  /* decrease the reference counter, if it hits zero, the queue will be freed */
2469  IntDereferenceMessageQueue(MessageQueue);
2470 }
struct png_info_def **typedef void(__cdecl typeof(png_destroy_read_struct))(struct png_struct_def **
Definition: typeof.h:49
VOID FASTCALL MsqCleanupMessageQueue(PTHREADINFO pti)
Definition: msgqueue.c:2359
struct _USER_MESSAGE_QUEUE * ActiveMessageQueue
Definition: desktop.h:38
smooth NULL
Definition: ftsmooth.c:416
#define QF_INDESTROY
Definition: msgqueue.h:103
#define IntDereferenceMessageQueue(MsgQueue)
Definition: msgqueue.h:220
#define InterlockedExchangePointer(Target, Value)
Definition: dshow.h:45
#define __WARNING_USING_UNINIT_VAR
Definition: suppress.h:31
struct _DESKTOP * Desktop
Definition: msgqueue.h:50
#define _PRAGMA_WARNING_SUPPRESS(x)
Definition: suppress.h:28
#define NT_ASSERT
Definition: rtlfuncs.h:3312

Referenced by UserAttachThreadInput(), and UserDeleteW32Thread().

◆ MsqGetDownKeyState()

WPARAM FASTCALL MsqGetDownKeyState ( PUSER_MESSAGE_QUEUE  MessageQueue)

Definition at line 338 of file msgqueue.c.

339 {
340  WPARAM ret = 0;
341 
342  if (gspv.bMouseBtnSwap)
343  {
344  if (IS_KEY_DOWN(MessageQueue->afKeyState, VK_RBUTTON)) ret |= MK_LBUTTON;
345  if (IS_KEY_DOWN(MessageQueue->afKeyState, VK_LBUTTON)) ret |= MK_RBUTTON;
346  }
347  else
348  {
349  if (IS_KEY_DOWN(MessageQueue->afKeyState, VK_LBUTTON)) ret |= MK_LBUTTON;
350  if (IS_KEY_DOWN(MessageQueue->afKeyState, VK_RBUTTON)) ret |= MK_RBUTTON;
351  }
352 
353  if (IS_KEY_DOWN(MessageQueue->afKeyState, VK_MBUTTON)) ret |= MK_MBUTTON;
354  if (IS_KEY_DOWN(MessageQueue->afKeyState, VK_SHIFT)) ret |= MK_SHIFT;
355  if (IS_KEY_DOWN(MessageQueue->afKeyState, VK_CONTROL)) ret |= MK_CONTROL;
356  if (IS_KEY_DOWN(MessageQueue->afKeyState, VK_XBUTTON1)) ret |= MK_XBUTTON1;
357  if (IS_KEY_DOWN(MessageQueue->afKeyState, VK_XBUTTON2)) ret |= MK_XBUTTON2;
358  return ret;
359 }
#define MK_SHIFT
Definition: winuser.h:2344
#define MK_LBUTTON
Definition: winuser.h:2342
#define VK_LBUTTON
Definition: winuser.h:2165
BOOL bMouseBtnSwap
Definition: sysparams.h:82
#define MK_MBUTTON
Definition: winuser.h:2346
UINT_PTR WPARAM
Definition: windef.h:207
#define VK_RBUTTON
Definition: winuser.h:2166
#define VK_SHIFT
Definition: winuser.h:2177
#define MK_RBUTTON
Definition: winuser.h:2343
SPIVALUES gspv
Definition: sysparams.c:17
int ret
BYTE afKeyState[256 *2/8]
Definition: msgqueue.h:84
#define MK_CONTROL
Definition: winuser.h:2345
#define VK_CONTROL
Definition: winuser.h:2178
#define IS_KEY_DOWN(ks, vk)
Definition: input.h:98
#define VK_MBUTTON
Definition: winuser.h:2168

Referenced by co_IntProcessMouseMessage(), and SystemTimerProc().

◆ MsqGetMessageExtraInfo()

LPARAM FASTCALL MsqGetMessageExtraInfo ( VOID  )

Definition at line 2493 of file msgqueue.c.

2494 {
2495  PTHREADINFO pti;
2496  PUSER_MESSAGE_QUEUE MessageQueue;
2497 
2499  MessageQueue = pti->MessageQueue;
2500  if(!MessageQueue)
2501  {
2502  return 0;
2503  }
2504 
2505  return MessageQueue->ExtraInfo;
2506 }
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88

Referenced by NtUserGetThreadState().

◆ MsqIncPaintCountQueue()

VOID FASTCALL MsqIncPaintCountQueue ( PTHREADINFO  pti)

Definition at line 501 of file msgqueue.c.

502 {
503  pti->cPaintsReady++;
504  MsqWakeQueue(pti, QS_PAINT, TRUE);
505 }
VOID FASTCALL MsqWakeQueue(PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
Definition: msgqueue.c:412
#define TRUE
Definition: types.h:120
UINT cPaintsReady
Definition: win32.h:108
#define QS_PAINT
Definition: winuser.h:887

Referenced by IntInvalidateWindows().

◆ MsqInitializeImpl()

INIT_FUNCTION NTSTATUS NTAPI MsqInitializeImpl ( VOID  )

Definition at line 30 of file msgqueue.c.

31 {
32  // Setup Post Messages
35  return STATUS_NO_MEMORY;
37  NULL,
38  NULL,
39  0,
40  sizeof(USER_MESSAGE),
41  TAG_USRMSG,
42  256);
43  // Setup Send Messages
46  return STATUS_NO_MEMORY;
48  NULL,
49  NULL,
50  0,
51  sizeof(USER_SENT_MESSAGE),
52  TAG_USRMSG,
53  16);
54 
56 
57  return(STATUS_SUCCESS);
58 }
VOID NTAPI ExInitializePagedLookasideList(IN PPAGED_LOOKASIDE_LIST Lookaside, IN PALLOCATE_FUNCTION Allocate OPTIONAL, IN PFREE_FUNCTION Free OPTIONAL, IN ULONG Flags, IN SIZE_T Size, IN ULONG Tag, IN USHORT Depth)
Definition: lookas.c:274
#define TAG_USRMSG
Definition: tags.h:8
smooth NULL
Definition: ftsmooth.c:416
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
struct LOOKASIDE_ALIGN _PAGED_LOOKASIDE_LIST PAGED_LOOKASIDE_LIST
#define InitializeListHead(ListHead)
Definition: env_spec_w32.h:944
#define STATUS_NO_MEMORY
Definition: ntstatus.h:246
static PPAGED_LOOKASIDE_LIST pgSendMsgLookasideList
Definition: msgqueue.c:17
return STATUS_SUCCESS
Definition: btrfs.c:2938
LIST_ENTRY usmList
Definition: msgqueue.c:23
static PPAGED_LOOKASIDE_LIST pgMessageLookasideList
Definition: msgqueue.c:16

Referenced by DriverEntry().

◆ MsqInitializeMessageQueue()

BOOLEAN FASTCALL MsqInitializeMessageQueue ( PTHREADINFO  pti,
PUSER_MESSAGE_QUEUE  MessageQueue 
)

Definition at line 2227 of file msgqueue.c.

2228 {
2229  InitializeListHead(&MessageQueue->HardwareMessagesListHead); // Keep here!
2230  MessageQueue->spwndFocus = NULL;
2231  MessageQueue->iCursorLevel = 0;
2232  MessageQueue->CursorObject = SYSTEMCUR(WAIT); // See test_initial_cursor.
2233  if (MessageQueue->CursorObject)
2234  {
2235  TRACE("Default cursor hcur %p\n",UserHMGetHandle(MessageQueue->CursorObject));
2236  UserReferenceObject(MessageQueue->CursorObject);
2237  }
2238  RtlCopyMemory(MessageQueue->afKeyState, gafAsyncKeyState, sizeof(gafAsyncKeyState));
2239  MessageQueue->ptiMouse = pti;
2240  MessageQueue->ptiKeyboard = pti;
2241  MessageQueue->cThreads++;
2242 
2243  return TRUE;
2244 }
BYTE gafAsyncKeyState[256 *2/8]
Definition: keyboard.c:13
#define TRUE
Definition: types.h:120
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
PTHREADINFO ptiKeyboard
Definition: msgqueue.h:56
smooth NULL
Definition: ftsmooth.c:416
#define UserHMGetHandle(obj)
Definition: ntuser.h:208
#define WAIT
Definition: listbox.c:36
#define TRACE(s)
Definition: solgame.cpp:4
BYTE afKeyState[256 *2/8]
Definition: msgqueue.h:84
PCURICON_OBJECT CursorObject
Definition: msgqueue.h:89
#define InitializeListHead(ListHead)
Definition: env_spec_w32.h:944
#define SYSTEMCUR(func)
Definition: cursoricon.h:129
PTHREADINFO ptiMouse
Definition: msgqueue.h:55
LIST_ENTRY HardwareMessagesListHead
Definition: msgqueue.h:59
VOID FASTCALL UserReferenceObject(PVOID obj)
Definition: object.c:697

Referenced by MsqCreateMessageQueue().

◆ MsqIsHung()

BOOL FASTCALL MsqIsHung ( PTHREADINFO  pti)

Definition at line 2194 of file msgqueue.c.

2195 {
2196  if (EngGetTickCount32() - pti->timeLast > MSQ_HUNG &&
2197  !(pti->pcti->fsWakeMask & QS_INPUT) &&
2198  !PsGetThreadFreezeCount(pti->pEThread) &&
2199  !(pti->ppi->W32PF_flags & W32PF_APPSTARTING))
2200  return TRUE;
2201 
2202  return FALSE;
2203 }
#define TRUE
Definition: types.h:120
#define EngGetTickCount32()
Definition: eng.h:43
#define MSQ_HUNG
Definition: msgqueue.h:3
PPROCESSINFO ppi
Definition: win32.h:87
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
#define QS_INPUT
Definition: winuser.h:881
LONG timeLast
Definition: win32.h:101
ULONG NTAPI PsGetThreadFreezeCount(IN PETHREAD Thread)
Definition: thread.c:685
#define W32PF_APPSTARTING
Definition: win32.h:10

Referenced by co_IntSendMessageTimeoutSingle(), IntMakeHungWindowGhosted(), NtUserCallTwoParam(), NtUserQueryWindow(), and UpdateThreadWindows().

◆ MsqPeekMessage()

BOOLEAN APIENTRY MsqPeekMessage ( IN PTHREADINFO  pti,
IN BOOLEAN  Remove,
IN PWND  Window,
IN UINT  MsgFilterLow,
IN UINT  MsgFilterHigh,
IN UINT  QSflags,
OUT LONG_PTR ExtraInfo,
OUT DWORD dwQEvent,
OUT PMSG  Message 
)

Definition at line 2107 of file msgqueue.c.

2116 {
2117  PUSER_MESSAGE CurrentMessage;
2118  PLIST_ENTRY ListHead;
2119  DWORD QS_Flags;
2120  BOOL Ret = FALSE;
2121 
2122  ListHead = pti->PostedMessagesListHead.Flink;
2123 
2124  if (IsListEmpty(ListHead)) return FALSE;
2125 
2126  while(ListHead != &pti->PostedMessagesListHead)
2127  {
2128  CurrentMessage = CONTAINING_RECORD(ListHead, USER_MESSAGE, ListEntry);
2129  ListHead = ListHead->Flink;
2130 /*
2131  MSDN:
2132  1: any window that belongs to the current thread, and any messages on the current thread's message queue whose hwnd value is NULL.
2133  2: retrieves only messages on the current thread's message queue whose hwnd value is NULL.
2134  3: handle to the window whose messages are to be retrieved.
2135  */
2136  if ( ( !Window || // 1
2137  ( Window == PWND_BOTTOM && CurrentMessage->Msg.hwnd == NULL ) || // 2
2138  ( Window != PWND_BOTTOM && Window->head.h == CurrentMessage->Msg.hwnd ) ) && // 3
2139  ( ( ( MsgFilterLow == 0 && MsgFilterHigh == 0 ) && CurrentMessage->QS_Flags & QSflags ) ||
2140  ( MsgFilterLow <= CurrentMessage->Msg.message && MsgFilterHigh >= CurrentMessage->Msg.message ) ) )
2141  {
2142  *Message = CurrentMessage->Msg;
2143  *ExtraInfo = CurrentMessage->ExtraInfo;
2144  QS_Flags = CurrentMessage->QS_Flags;
2145  if (dwQEvent) *dwQEvent = CurrentMessage->dwQEvent;
2146 
2147  if (Remove)
2148  {
2149  if (CurrentMessage->pti != NULL)
2150  {
2151  MsqDestroyMessage(CurrentMessage);
2152  }
2153  ClearMsgBitsMask(pti, QS_Flags);
2154  }
2155  Ret = TRUE;
2156  break;
2157  }
2158  }
2159 
2160  return Ret;
2161 }
#define TRUE
Definition: types.h:120
#define PWND_BOTTOM
Definition: ntuser.h:731
struct @1591 Msg[]
PTHREADINFO pti
Definition: msgqueue.h:15
LONG_PTR ExtraInfo
Definition: msgqueue.h:13
_Must_inspect_result_ FORCEINLINE BOOLEAN IsListEmpty(_In_ const LIST_ENTRY *ListHead)
Definition: rtlfuncs.h:57
VOID FASTCALL MsqDestroyMessage(PUSER_MESSAGE Message)
Definition: msgqueue.c:748
Definition: window.c:28
unsigned int BOOL
Definition: ntddk_ex.h:94
smooth NULL
Definition: ftsmooth.c:416
DWORD QS_Flags
Definition: msgqueue.h:12
_In_ BOOLEAN Remove
Definition: psfuncs.h:110
DWORD dwQEvent
Definition: msgqueue.h:14
PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
Definition: Messaging.c:560
struct _LIST_ENTRY * Flink
Definition: typedefs.h:119
VOID FASTCALL ClearMsgBitsMask(PTHREADINFO pti, UINT MessageBits)
Definition: msgqueue.c:445
unsigned long DWORD
Definition: ntddk_ex.h:95
CHAR Message[80]
Definition: alive.c:5
Definition: typedefs.h:117

Referenced by co_IntPeekMessage().

◆ MsqPostMessage()

VOID FASTCALL MsqPostMessage ( PTHREADINFO  pti,
MSG Msg,
BOOLEAN  HardwareMessage,
DWORD  MessageBits,
DWORD  dwQEvent,
LONG_PTR  ExtraInfo 
)

Definition at line 1338 of file msgqueue.c.

1344 {
1346  PUSER_MESSAGE_QUEUE MessageQueue;
1347 
1348  if ( pti->TIF_flags & TIF_INCLEANUP || pti->MessageQueue->QF_flags & QF_INDESTROY )
1349  {
1350  ERR("Post Msg; Thread or Q is Dead!\n");
1351  return;
1352  }
1353 
1354  if(!(Message = MsqCreateMessage(Msg)))
1355  {
1356  return;
1357  }
1358 
1359  MessageQueue = pti->MessageQueue;
1360 
1361  if (!HardwareMessage)
1362  {
1363  InsertTailList(&pti->PostedMessagesListHead, &Message->ListEntry);
1364  }
1365  else
1366  {
1367  InsertTailList(&MessageQueue->HardwareMessagesListHead, &Message->ListEntry);
1368  }
1369 
1370  if (Msg->message == WM_HOTKEY) MessageBits |= QS_HOTKEY; // Justin Case, just set it.
1371  Message->dwQEvent = dwQEvent;
1372  Message->ExtraInfo = ExtraInfo;
1373  Message->QS_Flags = MessageBits;
1374  Message->pti = pti;
1375  MsqWakeQueue(pti, MessageBits, TRUE);
1376  TRACE("Post Message %d\n",PostMsgCount);
1377 }
VOID FASTCALL MsqWakeQueue(PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
Definition: msgqueue.c:412
#define TRUE
Definition: types.h:120
#define WM_HOTKEY
Definition: winuser.h:1861
FLONG TIF_flags
Definition: win32.h:94
struct @1591 Msg[]
#define InsertTailList(ListHead, Entry)
#define QS_HOTKEY
Definition: winuser.h:877
#define QF_INDESTROY
Definition: msgqueue.h:103
#define TRACE(s)
Definition: solgame.cpp:4
CHAR Message[80]
Definition: alive.c:5
PUSER_MESSAGE FASTCALL MsqCreateMessage(LPMSG Msg)
Definition: msgqueue.c:731
#define ERR(fmt,...)
Definition: debug.h:109
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
LIST_ENTRY PostedMessagesListHead
Definition: win32.h:131
INT PostMsgCount
Definition: msgqueue.c:18
LIST_ENTRY HardwareMessagesListHead
Definition: msgqueue.h:59
#define TIF_INCLEANUP
Definition: ntuser.h:240

Referenced by co_IntSetForegroundAndFocusWindow(), co_IntSetForegroundMessageQueue(), co_MsqInsertMouseMessage(), IntCallLowLevelEvent(), IntTranslateKbdMessage(), MsqPostMouseMove(), PostTimerMessages(), ProcessKeyEvent(), UserPostMessage(), and UserPostThreadMessage().

◆ MsqPostMouseMove()

VOID FASTCALL MsqPostMouseMove ( PTHREADINFO  pti,
MSG Msg,
LONG_PTR  ExtraInfo 
)

Definition at line 518 of file msgqueue.c.

519 {
521  PLIST_ENTRY ListHead;
522  PUSER_MESSAGE_QUEUE MessageQueue = pti->MessageQueue;
523 
524  ListHead = &MessageQueue->HardwareMessagesListHead;
525 
526  // Do nothing if empty.
527  if (!IsListEmpty(ListHead->Flink))
528  {
529  // Look at the end of the list,
530  Message = CONTAINING_RECORD(ListHead->Blink, USER_MESSAGE, ListEntry);
531 
532  // If the mouse move message is existing on the list,
533  if (Message->Msg.message == WM_MOUSEMOVE)
534  {
535  // Overwrite the message with updated data!
536  Message->Msg = *Msg;
537 
539  return;
540  }
541  }
542 
543  MsqPostMessage(pti, Msg, TRUE, QS_MOUSEMOVE, 0, ExtraInfo);
544 }
VOID FASTCALL MsqWakeQueue(PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
Definition: msgqueue.c:412
#define TRUE
Definition: types.h:120
struct _LIST_ENTRY * Blink
Definition: typedefs.h:120
struct @1591 Msg[]
_Must_inspect_result_ FORCEINLINE BOOLEAN IsListEmpty(_In_ const LIST_ENTRY *ListHead)
Definition: rtlfuncs.h:57
PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
Definition: Messaging.c:560
struct _LIST_ENTRY * Flink
Definition: typedefs.h:119
VOID FASTCALL MsqPostMessage(PTHREADINFO pti, MSG *Msg, BOOLEAN HardwareMessage, DWORD MessageBits, DWORD dwQEvent, LONG_PTR ExtraInfo)
Definition: msgqueue.c:1338
CHAR Message[80]
Definition: alive.c:5
#define QS_MOUSEMOVE
Definition: winuser.h:886
Definition: typedefs.h:117
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
#define WM_MOUSEMOVE
Definition: winuser.h:1757
LIST_ENTRY HardwareMessagesListHead
Definition: msgqueue.h:59

Referenced by IntCoalesceMouseMove().

◆ MsqPostQuitMessage()

VOID FASTCALL MsqPostQuitMessage ( PTHREADINFO  pti,
ULONG  ExitCode 
)

Definition at line 1380 of file msgqueue.c.

1381 {
1382  pti->QuitPosted = TRUE;
1383  pti->exitCode = ExitCode;
1385 }
VOID FASTCALL MsqWakeQueue(PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
Definition: msgqueue.c:412
#define TRUE
Definition: types.h:120
#define QS_ALLPOSTMESSAGE
Definition: winuser.h:876
BOOLEAN QuitPosted
Definition: win32.h:104
INT exitCode
Definition: win32.h:106
#define QS_POSTMESSAGE
Definition: winuser.h:888

Referenced by NtUserCallOneParam().

◆ MsqRemoveWindowMessagesFromQueue()

VOID APIENTRY MsqRemoveWindowMessagesFromQueue ( PWND  Window)

Definition at line 798 of file msgqueue.c.

799 {
800  PTHREADINFO pti;
801  PUSER_SENT_MESSAGE SentMessage;
802  PUSER_MESSAGE PostedMessage;
803  PLIST_ENTRY CurrentEntry, ListHead;
804 
805  ASSERT(Window);
806 
807  pti = Window->head.pti;
808 
809  /* remove the posted messages for this window */
810  CurrentEntry = pti->PostedMessagesListHead.Flink;
811  ListHead = &pti->PostedMessagesListHead;
812  while (CurrentEntry != ListHead)
813  {
814  PostedMessage = CONTAINING_RECORD(CurrentEntry, USER_MESSAGE, ListEntry);
815 
816  if (PostedMessage->Msg.hwnd == Window->head.h)
817  {
818  if (PostedMessage->Msg.message == WM_QUIT && pti->QuitPosted == 0)
819  {
820  pti->QuitPosted = 1;
821  pti->exitCode = PostedMessage->Msg.wParam;
822  }
823  ClearMsgBitsMask(pti, PostedMessage->QS_Flags);
824  MsqDestroyMessage(PostedMessage);
825  CurrentEntry = pti->PostedMessagesListHead.Flink;
826  }
827  else
828  {
829  CurrentEntry = CurrentEntry->Flink;
830  }
831  }
832 
833  /* remove the sent messages for this window */
834  CurrentEntry = pti->SentMessagesListHead.Flink;
835  ListHead = &pti->SentMessagesListHead;
836  while (CurrentEntry != ListHead)
837  {
838  SentMessage = CONTAINING_RECORD(CurrentEntry, USER_SENT_MESSAGE, ListEntry);
839 
840  if(SentMessage->Msg.hwnd == Window->head.h)
841  {
842  ERR("Remove Window Messages %p From Sent Queue\n",SentMessage);
843 #if 0 // Should mark these as invalid and allow the rest clean up, so far no harm by just commenting out. See CORE-9210.
844  ClearMsgBitsMask(pti, SentMessage->QS_Flags);
845 
846  /* wake the sender's thread */
847  if (SentMessage->pkCompletionEvent != NULL)
848  {
850  }
851 
852  if (SentMessage->HasPackedLParam)
853  {
854  if (SentMessage->Msg.lParam)
855  ExFreePool((PVOID)SentMessage->Msg.lParam);
856  }
857 
858  /* free the message */
859  FreeUserMessage(SentMessage);
860 
861  CurrentEntry = pti->SentMessagesListHead.Flink;
862 #endif
863  CurrentEntry = CurrentEntry->Flink;
864  }
865  else
866  {
867  CurrentEntry = CurrentEntry->Flink;
868  }
869  }
870 }
PKEVENT pkCompletionEvent
Definition: msgqueue.h:25
#define WM_QUIT
Definition: winuser.h:1605
BOOLEAN QuitPosted
Definition: win32.h:104
LONG NTAPI KeSetEvent(IN PKEVENT Event, IN KPRIORITY Increment, IN BOOLEAN Wait)
Definition: eventobj.c:159
VOID FASTCALL MsqDestroyMessage(PUSER_MESSAGE Message)
Definition: msgqueue.c:748
Definition: window.c:28
LIST_ENTRY SentMessagesListHead
Definition: win32.h:99
smooth NULL
Definition: ftsmooth.c:416
INT exitCode
Definition: win32.h:106
DWORD QS_Flags
Definition: msgqueue.h:12
PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
Definition: Messaging.c:560
struct _LIST_ENTRY * Flink
Definition: typedefs.h:119
VOID FASTCALL ClearMsgBitsMask(PTHREADINFO pti, UINT MessageBits)
Definition: msgqueue.c:445
VOID FASTCALL FreeUserMessage(PUSER_SENT_MESSAGE Message)
Definition: msgqueue.c:786
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
BOOL HasPackedLParam
Definition: msgqueue.h:34
Definition: typedefs.h:117
#define ERR(fmt,...)
Definition: debug.h:109
LIST_ENTRY PostedMessagesListHead
Definition: win32.h:131
#define IO_NO_INCREMENT
Definition: iotypes.h:566
#define ExFreePool(addr)
Definition: env_spec_w32.h:352

Referenced by co_UserFreeWindow().

◆ MsqSendParentNotify()

static void MsqSendParentNotify ( PWND  pwnd,
WORD  event,
WORD  idChild,
POINT  pt 
)
static

Definition at line 1393 of file msgqueue.c.

1394 {
1395  PWND pwndDesktop = UserGetDesktopWindow();
1396 
1397  /* pt has to be in the client coordinates of the parent window */
1398  pt.x += pwndDesktop->rcClient.left - pwnd->rcClient.left;
1399  pt.y += pwndDesktop->rcClient.top - pwnd->rcClient.top;
1400 
1401  for (;;)
1402  {
1403  PWND pwndParent;
1404 
1405  if (!(pwnd->style & WS_CHILD)) break;
1406  if (pwnd->ExStyle & WS_EX_NOPARENTNOTIFY) break;
1407  if (!(pwndParent = IntGetParent(pwnd))) break;
1408  if (pwndParent == pwndDesktop) break;
1409  pt.x += pwnd->rcClient.left - pwndParent->rcClient.left;
1410  pt.y += pwnd->rcClient.top - pwndParent->rcClient.top;
1411 
1412  pwnd = pwndParent;
1414  MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
1415  }
1416 }
DWORD ExStyle
Definition: ntuser.h:668
#define MAKEWPARAM(l, h)
Definition: winuser.h:3984
#define pt(x, y)
Definition: drawing.c:79
#define MAKELPARAM(l, h)
Definition: winuser.h:3983
LONG top
Definition: windef.h:307
#define WS_CHILD
Definition: pedump.c:617
RECT rcClient
Definition: ntuser.h:681
LONG left
Definition: windef.h:306
#define WM_PARENTNOTIFY
Definition: winuser.h:1785
#define UserHMGetHandle(obj)
Definition: ntuser.h:208
PWND FASTCALL UserGetDesktopWindow(VOID)
Definition: desktop.c:1349
LRESULT FASTCALL co_IntSendMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1281
struct _cl_event * event
Definition: glext.h:7739
Definition: ntuser.h:657
#define WS_EX_NOPARENTNOTIFY
Definition: pedump.c:646
PWND FASTCALL IntGetParent(PWND Wnd)
Definition: window.c:185
DWORD style
Definition: ntuser.h:670

Referenced by co_IntProcessMouseMessage().

◆ MsqSetMessageExtraInfo()

LPARAM FASTCALL MsqSetMessageExtraInfo ( LPARAM  lParam)

Definition at line 2473 of file msgqueue.c.

2474 {
2475  LPARAM Ret;
2476  PTHREADINFO pti;
2477  PUSER_MESSAGE_QUEUE MessageQueue;
2478 
2480  MessageQueue = pti->MessageQueue;
2481  if(!MessageQueue)
2482  {
2483  return 0;
2484  }
2485 
2486  Ret = MessageQueue->ExtraInfo;
2487  MessageQueue->ExtraInfo = lParam;
2488 
2489  return Ret;
2490 }
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
LONG_PTR LPARAM
Definition: windef.h:208
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
LPARAM lParam
Definition: combotst.c:139

Referenced by NtUserCallOneParam().

◆ MsqSetStateWindow()

HWND FASTCALL MsqSetStateWindow ( PTHREADINFO  pti,
ULONG  Type,
HWND  hWnd 
)

Definition at line 2533 of file msgqueue.c.

2534 {
2535  HWND Prev;
2536  PUSER_MESSAGE_QUEUE MessageQueue;
2537 
2538  MessageQueue = pti->MessageQueue;
2539 
2540  switch(Type)
2541  {
2542  case MSQ_STATE_CAPTURE:
2543  Prev = MessageQueue->spwndCapture ? UserHMGetHandle(MessageQueue->spwndCapture) : 0;
2544  MessageQueue->spwndCapture = ValidateHwndNoErr(hWnd);
2545  return Prev;
2546  case MSQ_STATE_ACTIVE:
2547  Prev = MessageQueue->spwndActive ? UserHMGetHandle(MessageQueue->spwndActive) : 0;
2548  MessageQueue->spwndActive = ValidateHwndNoErr(hWnd);
2549  return Prev;
2550  case MSQ_STATE_FOCUS:
2551  Prev = MessageQueue->spwndFocus ? UserHMGetHandle(MessageQueue->spwndFocus) : 0;
2552  MessageQueue->spwndFocus = ValidateHwndNoErr(hWnd);
2553  return Prev;
2554  case MSQ_STATE_MENUOWNER:
2555  Prev = MessageQueue->MenuOwner;
2556  MessageQueue->MenuOwner = hWnd;
2557  return Prev;
2558  case MSQ_STATE_MOVESIZE:
2559  Prev = MessageQueue->MoveSize;
2560  MessageQueue->MoveSize = hWnd;
2561  return Prev;
2562  case MSQ_STATE_CARET:
2563  Prev = MessageQueue->CaretInfo.hWnd;
2564  MessageQueue->CaretInfo.hWnd = hWnd;
2565  return Prev;
2566  }
2567 
2568  return NULL;
2569 }
#define MSQ_STATE_ACTIVE
Definition: ntuser.h:3545
#define MSQ_STATE_MOVESIZE
Definition: ntuser.h:3548
PWND FASTCALL ValidateHwndNoErr(HWND hWnd)
Definition: window.c:96
Type
Definition: Type.h:6
HWND hWnd
Definition: settings.c:17
#define MSQ_STATE_FOCUS
Definition: ntuser.h:3546
smooth NULL
Definition: ftsmooth.c:416
#define UserHMGetHandle(obj)
Definition: ntuser.h:208
THRDCARETINFO CaretInfo
Definition: msgqueue.h:92
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
#define MSQ_STATE_CAPTURE
Definition: ntuser.h:3544
#define MSQ_STATE_CARET
Definition: ntuser.h:3549
#define MSQ_STATE_MENUOWNER
Definition: ntuser.h:3547

Referenced by co_UserSetCapture(), DefWndDoSizeMove(), IntTrackPopupMenuEx(), MENU_DoNextMenu(), MENU_InitTracking(), MENU_TrackMenu(), and NtUserCallTwoParam().

◆ MsqWakeQueue()

VOID FASTCALL MsqWakeQueue ( PTHREADINFO  pti,
DWORD  MessageBits,
BOOL  KeyEvent 
)

Definition at line 412 of file msgqueue.c.

413 {
414  PUSER_MESSAGE_QUEUE Queue;
415 
416  Queue = pti->MessageQueue;
417 
418  if (Queue->QF_flags & QF_INDESTROY)
419  {
420  ERR("This Message Queue is in Destroy!\n");
421  }
422  pti->pcti->fsWakeBits |= MessageBits;
423  pti->pcti->fsChangeBits |= MessageBits;
424 
425  // Start bit accounting to help clear the main set of bits.
426  if (MessageBits & QS_KEY)
427  {
428  pti->nCntsQBits[QSRosKey]++;
429  }
430  if (MessageBits & QS_MOUSE)
431  {
432  if (MessageBits & QS_MOUSEMOVE) pti->nCntsQBits[QSRosMouseMove]++;
433  if (MessageBits & QS_MOUSEBUTTON) pti->nCntsQBits[QSRosMouseButton]++;
434  }
435  if (MessageBits & QS_POSTMESSAGE) pti->nCntsQBits[QSRosPostMessage]++;
436  if (MessageBits & QS_SENDMESSAGE) pti->nCntsQBits[QSRosSendMessage]++;
437  if (MessageBits & QS_HOTKEY) pti->nCntsQBits[QSRosHotKey]++;
438  if (MessageBits & QS_EVENT) pti->nCntsQBits[QSRosEvent]++;
439 
440  if (KeyEvent)
442 }
Definition: win32.h:40
LONG NTAPI KeSetEvent(IN PKEVENT Event, IN KPRIORITY Increment, IN BOOLEAN Wait)
Definition: eventobj.c:159
#define QS_HOTKEY
Definition: winuser.h:877
#define QS_SENDMESSAGE
Definition: winuser.h:892
#define QF_INDESTROY
Definition: msgqueue.h:103
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
PKEVENT pEventQueueServer
Definition: win32.h:124
DWORD nCntsQBits[QSIDCOUNTS]
Definition: win32.h:147
#define QS_EVENT
Definition: undocuser.h:95
#define QS_MOUSEMOVE
Definition: winuser.h:886
#define ERR(fmt,...)
Definition: debug.h:109
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
#define QS_POSTMESSAGE
Definition: winuser.h:888
#define QS_MOUSEBUTTON
Definition: winuser.h:885
#define IO_NO_INCREMENT
Definition: iotypes.h:566
#define QS_MOUSE
Definition: winuser.h:884
#define QS_KEY
Definition: winuser.h:883

Referenced by co_IntSendMessageWithCallBack(), co_MsqDispatchOneSentMessage(), co_MsqInsertMouseMessage(), co_MsqSendMessage(), co_MsqSendMessageAsync(), MsqIncPaintCountQueue(), MsqPostMessage(), MsqPostMouseMove(), MsqPostQuitMessage(), and ProcessTimers().

◆ NtUserGetKeyboardState()

DWORD APIENTRY NtUserGetKeyboardState ( LPBYTE  lpKeyState)

Definition at line 2589 of file msgqueue.c.

2590 {
2591  DWORD i, ret = TRUE;
2592  PTHREADINFO pti;
2593  PUSER_MESSAGE_QUEUE MessageQueue;
2594 
2595  UserEnterShared();
2596 
2598  MessageQueue = pti->MessageQueue;
2599 
2600  _SEH2_TRY
2601  {
2602  /* Probe and copy key state to an array */
2603  ProbeForWrite(lpKeyState, 256 * sizeof(BYTE), 1);
2604  for (i = 0; i < 256; ++i)
2605  {
2606  lpKeyState[i] = 0;
2607  if (IS_KEY_DOWN(MessageQueue->afKeyState, i))
2608  lpKeyState[i] |= KS_DOWN_BIT;
2609  if (IS_KEY_LOCKED(MessageQueue->afKeyState, i))
2610  lpKeyState[i] |= KS_LOCK_BIT;
2611  }
2612  }
2614  {
2616  ret = FALSE;
2617  }
2618  _SEH2_END;
2619 
2620  UserLeave();
2621 
2622  return ret;
2623 }
VOID FASTCALL UserEnterShared(VOID)
Definition: ntuser.c:241
#define TRUE
Definition: types.h:120
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define KS_LOCK_BIT
Definition: input.h:55
VOID NTAPI ProbeForWrite(IN PVOID Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:143
_SEH2_TRY
Definition: create.c:4250
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
#define IS_KEY_LOCKED(ks, vk)
Definition: input.h:99
unsigned long DWORD
Definition: ntddk_ex.h:95
int ret
BYTE afKeyState[256 *2/8]
Definition: msgqueue.h:84
unsigned char BYTE
Definition: mem.h:68
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
_SEH2_END
Definition: create.c:4424
#define KS_DOWN_BIT
Definition: input.h:54
#define IS_KEY_DOWN(ks, vk)
Definition: input.h:98
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:12

Referenced by GetKeyboardState().

◆ NtUserGetKeyState()

SHORT APIENTRY NtUserGetKeyState ( INT  key)

Definition at line 2573 of file msgqueue.c.

2574 {
2575  DWORD Ret;
2576 
2577  UserEnterShared();
2578 
2579  Ret = UserGetKeyState(key);
2580 
2581  UserLeave();
2582 
2583  return (SHORT)Ret;
2584 }
VOID FASTCALL UserEnterShared(VOID)
Definition: ntuser.c:241
DWORD FASTCALL UserGetKeyState(DWORD dwKey)
Definition: msgqueue.c:221
short SHORT
Definition: pedump.c:59
unsigned long DWORD
Definition: ntddk_ex.h:95
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
Definition: path.c:41

Referenced by GetKeyState().

◆ NtUserSetKeyboardState()

BOOL APIENTRY NtUserSetKeyboardState ( LPBYTE  pKeyState)

Definition at line 2627 of file msgqueue.c.

2628 {
2629  UINT i;
2630  BOOL bRet = TRUE;
2631  PTHREADINFO pti;
2632  PUSER_MESSAGE_QUEUE MessageQueue;
2633 
2635 
2637  MessageQueue = pti->MessageQueue;
2638 
2639  _SEH2_TRY
2640  {
2641  ProbeForRead(pKeyState, 256 * sizeof(BYTE), 1);
2642  for (i = 0; i < 256; ++i)
2643  {
2644  SET_KEY_DOWN(MessageQueue->afKeyState, i, pKeyState[i] & KS_DOWN_BIT);
2645  SET_KEY_LOCKED(MessageQueue->afKeyState, i, pKeyState[i] & KS_LOCK_BIT);
2646  }
2647  }
2649  {
2651  bRet = FALSE;
2652  }
2653  _SEH2_END;
2654 
2655  UserLeave();
2656 
2657  return bRet;
2658 }
#define TRUE
Definition: types.h:120
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define KS_LOCK_BIT
Definition: input.h:55
_SEH2_TRY
Definition: create.c:4250
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
unsigned int BOOL
Definition: ntddk_ex.h:94
#define SET_KEY_DOWN(ks, vk, down)
Definition: input.h:100
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
VOID NTAPI ProbeForRead(IN CONST VOID *Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:102
BYTE afKeyState[256 *2/8]
Definition: msgqueue.h:84
unsigned char BYTE
Definition: mem.h:68
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
_SEH2_END
Definition: create.c:4424
unsigned int UINT
Definition: ndis.h:50
#define KS_DOWN_BIT
Definition: input.h:54
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:12
#define SET_KEY_LOCKED(ks, vk, down)
Definition: input.h:103

Referenced by SetKeyboardState().

◆ UpdateKeyState()

static VOID UpdateKeyState ( PUSER_MESSAGE_QUEUE  MessageQueue,
WORD  wVk,
BOOL  bIsDown 
)
static

Definition at line 246 of file msgqueue.c.

247 {
248  TRACE("UpdateKeyState wVk: %u, bIsDown: %d\n", wVk, bIsDown);
249 
250  if (bIsDown)
251  {
252  /* If it's first key down event, xor lock bit */
253  if (!IS_KEY_DOWN(MessageQueue->afKeyState, wVk))
254  SET_KEY_LOCKED(MessageQueue->afKeyState, wVk, !IS_KEY_LOCKED(MessageQueue->afKeyState, wVk));
255 
256  SET_KEY_DOWN(MessageQueue->afKeyState, wVk, TRUE);
257  MessageQueue->afKeyRecentDown[wVk / 8] |= (1 << (wVk % 8));
258  }
259  else
260  SET_KEY_DOWN(MessageQueue->afKeyState, wVk, FALSE);
261 }
#define TRUE
Definition: types.h:120
#define SET_KEY_DOWN(ks, vk, down)
Definition: input.h:100
#define IS_KEY_LOCKED(ks, vk)
Definition: input.h:99
#define TRACE(s)
Definition: solgame.cpp:4
BYTE afKeyState[256 *2/8]
Definition: msgqueue.h:84
#define IS_KEY_DOWN(ks, vk)
Definition: input.h:98
BYTE afKeyRecentDown[256/8]
Definition: msgqueue.h:83
#define SET_KEY_LOCKED(ks, vk, down)
Definition: input.h:103

Referenced by UpdateKeyStateFromMsg().

◆ UpdateKeyStateFromMsg()

static VOID UpdateKeyStateFromMsg ( PUSER_MESSAGE_QUEUE  MessageQueue,
MSG msg 
)
static

Definition at line 265 of file msgqueue.c.

266 {
267  UCHAR key;
268  BOOL down = FALSE;
269 
270  TRACE("UpdateKeyStateFromMsg message:%u\n", msg->message);
271 
272  switch (msg->message)
273  {
274  case WM_LBUTTONDOWN:
275  down = TRUE;
276  /* fall through */
277  case WM_LBUTTONUP:
278  UpdateKeyState(MessageQueue, VK_LBUTTON, down);
279  break;
280  case WM_MBUTTONDOWN:
281  down = TRUE;
282  /* fall through */
283  case WM_MBUTTONUP:
284  UpdateKeyState(MessageQueue, VK_MBUTTON, down);
285  break;
286  case WM_RBUTTONDOWN:
287  down = TRUE;
288  /* fall through */
289  case WM_RBUTTONUP:
290  UpdateKeyState(MessageQueue, VK_RBUTTON, down);
291  break;
292  case WM_XBUTTONDOWN:
293  down = TRUE;
294  /* fall through */
295  case WM_XBUTTONUP:
296  if (msg->wParam == XBUTTON1)
297  UpdateKeyState(MessageQueue, VK_XBUTTON1, down);
298  else if (msg->wParam == XBUTTON2)
299  UpdateKeyState(MessageQueue, VK_XBUTTON2, down);
300  break;
301  case WM_KEYDOWN:
302  case WM_SYSKEYDOWN:
303  down = TRUE;
304  /* fall through */
305  case WM_KEYUP:
306  case WM_SYSKEYUP:
307  key = (UCHAR)msg->wParam;
308  UpdateKeyState(MessageQueue, key, down);
309  switch(key)
310  {
311  case VK_LCONTROL:
312  case VK_RCONTROL:
313  down = IS_KEY_DOWN(MessageQueue->afKeyState, VK_LCONTROL) || IS_KEY_DOWN(MessageQueue->afKeyState, VK_RCONTROL);
314  UpdateKeyState(MessageQueue, VK_CONTROL, down);
315  break;
316  case VK_LMENU:
317  case VK_RMENU:
318  down = IS_KEY_DOWN(MessageQueue->afKeyState, VK_LMENU) || IS_KEY_DOWN(MessageQueue->afKeyState, VK_RMENU);
319  UpdateKeyState(MessageQueue, VK_MENU, down);
320  break;
321  case VK_LSHIFT:
322  case VK_RSHIFT:
323  down = IS_KEY_DOWN(MessageQueue->afKeyState, VK_LSHIFT) || IS_KEY_DOWN(MessageQueue->afKeyState, VK_RSHIFT);
324  UpdateKeyState(MessageQueue, VK_SHIFT, down);
325  break;
326  }
327  break;
328  }
329 }
#define WM_MBUTTONUP
Definition: winuser.h:1765
#define TRUE
Definition: types.h:120
#define WM_LBUTTONDOWN
Definition: winuser.h:1758
#define VK_LBUTTON
Definition: winuser.h:2165
#define VK_RMENU
Definition: winuser.h:2262
#define VK_LSHIFT
Definition: winuser.h:2257
#define VK_MENU
Definition: winuser.h:2179
#define down(mutex)
Definition: glue.h:29
#define VK_RBUTTON
Definition: winuser.h:2166
unsigned int BOOL
Definition: ntddk_ex.h:94
#define VK_SHIFT
Definition: winuser.h:2177
#define WM_KEYDOWN
Definition: winuser.h:1697
#define WM_RBUTTONDOWN
Definition: winuser.h:1761
#define TRACE(s)
Definition: solgame.cpp:4
#define WM_KEYUP
Definition: winuser.h:1698
#define WM_RBUTTONUP
Definition: winuser.h:1762
unsigned char UCHAR
Definition: xmlstorage.h:181
#define VK_RCONTROL
Definition: winuser.h:2260
#define VK_LMENU
Definition: winuser.h:2261
#define VK_RSHIFT
Definition: winuser.h:2258
HKEY key
Definition: reg.c:42
BYTE afKeyState[256 *2/8]
Definition: msgqueue.h:84
static VOID UpdateKeyState(PUSER_MESSAGE_QUEUE MessageQueue, WORD wVk, BOOL bIsDown)
Definition: msgqueue.c:246
#define WM_SYSKEYUP
Definition: winuser.h:1702
#define WM_LBUTTONUP
Definition: winuser.h:1759
#define WM_MBUTTONDOWN
Definition: winuser.h:1764
#define VK_CONTROL
Definition: winuser.h:2178
#define msg(x)
Definition: auth_time.c:54
#define WM_SYSKEYDOWN
Definition: winuser.h:1701
#define IS_KEY_DOWN(ks, vk)
Definition: input.h:98
#define VK_LCONTROL
Definition: winuser.h:2259
#define VK_MBUTTON
Definition: winuser.h:2168
Definition: path.c:41

Referenced by co_MsqPeekHardwareMessage().

◆ UserGetKeyState()

DWORD FASTCALL UserGetKeyState ( DWORD  dwKey)

Definition at line 221 of file msgqueue.c.

222 {
223  DWORD dwRet = 0;
224  PTHREADINFO pti;
225  PUSER_MESSAGE_QUEUE MessageQueue;
226 
228  MessageQueue = pti->MessageQueue;
229 
230  if (dwKey < 0x100)
231  {
232  if (IS_KEY_DOWN(MessageQueue->afKeyState, dwKey))
233  dwRet |= 0xFF80; // If down, windows returns 0xFF80.
234  if (IS_KEY_LOCKED(MessageQueue->afKeyState, dwKey))
235  dwRet |= 0x1;
236  }
237  else
238  {
240  }
241  return dwRet;
242 }
#define ERROR_INVALID_PARAMETER
Definition: compat.h:91
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define IS_KEY_LOCKED(ks, vk)
Definition: input.h:99
unsigned long DWORD
Definition: ntddk_ex.h:95
BYTE afKeyState[256 *2/8]
Definition: msgqueue.h:84
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
#define IS_KEY_DOWN(ks, vk)
Definition: input.h:98
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27

Referenced by co_IntProcessKeyboardMessage(), co_IntTranslateAccelerator(), IntDefWindowProc(), MENU_InitPopup(), and NtUserGetKeyState().

◆ UserSetCursor()

PCURICON_OBJECT FASTCALL UserSetCursor (