ReactOS  0.4.14-dev-77-gd9e7c48
message.c File Reference
#include <win32k.h>
#include <dde.h>
Include dependency graph for message.c:

Go to the source code of this file.

Classes

struct  tagMSGMEMORY
 

Macros

#define PM_BADMSGFLAGS   ~((QS_RAWINPUT << 16)|PM_QS_SENDMESSAGE|PM_QS_PAINT|PM_QS_POSTMESSAGE|PM_QS_INPUT|PM_NOYIELD|PM_REMOVE)
 
#define SET(msg)   (1 << ((msg) & 31))
 
#define MMS_SIZE_WPARAM   -1
 
#define MMS_SIZE_WPARAMWCHAR   -2
 
#define MMS_SIZE_LPARAMSZ   -3
 
#define MMS_SIZE_SPECIAL   -4
 
#define MMS_FLAG_READ   0x01
 
#define MMS_FLAG_WRITE   0x02
 
#define MMS_FLAG_READWRITE   (MMS_FLAG_READ | MMS_FLAG_WRITE)
 
#define INFINITE   0xFFFFFFFF
 
#define WAIT_FAILED   ((DWORD)0xFFFFFFFF)
 

Typedefs

typedef struct tagMSGMEMORY MSGMEMORY
 
typedef struct tagMSGMEMORYPMSGMEMORY
 

Functions

 DBG_DEFAULT_CHANNEL (UserMsg)
 
NTSTATUS FASTCALL IntInitMessageImpl (VOID)
 
NTSTATUS FASTCALL IntCleanupMessageImpl (VOID)
 
static int is_pointer_message (UINT message)
 
static PMSGMEMORY FASTCALL FindMsgMemory (UINT Msg)
 
static UINT FASTCALL MsgMemorySize (PMSGMEMORY MsgMemoryEntry, WPARAM wParam, LPARAM lParam)
 
UINT lParamMemorySize (UINT Msg, WPARAM wParam, LPARAM lParam)
 
static NTSTATUS PackParam (LPARAM *lParamPacked, UINT Msg, WPARAM wParam, LPARAM lParam, BOOL NonPagedPoolNeeded)
 
static NTSTATUS UnpackParam (LPARAM lParamPacked, UINT Msg, WPARAM wParam, LPARAM lParam, BOOL NonPagedPoolUsed)
 
static NTSTATUS FASTCALL CopyMsgToKernelMem (MSG *KernelModeMsg, MSG *UserModeMsg, PMSGMEMORY MsgMemoryEntry)
 
static NTSTATUS FASTCALL CopyMsgToUserMem (MSG *UserModeMsg, MSG *KernelModeMsg)
 
VOID FASTCALL IdlePing (VOID)
 
VOID FASTCALL IdlePong (VOID)
 
static BOOL is_message_broadcastable (UINT msg)
 
UINT FASTCALL GetWakeMask (UINT first, UINT last)
 
static VOID FASTCALL IntCallWndProc (PWND Window, HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 
static VOID FASTCALL IntCallWndProcRet (PWND Window, HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *uResult)
 
static LRESULT handle_internal_message (PWND pWnd, UINT msg, WPARAM wparam, LPARAM lparam)
 
static LRESULT handle_internal_events (PTHREADINFO pti, PWND pWnd, DWORD dwQEvent, LONG_PTR ExtraInfo, PMSG pMsg)
 
LRESULT FASTCALL IntDispatchMessage (PMSG pMsg)
 
BOOL APIENTRY co_IntPeekMessage (PMSG Msg, PWND Window, UINT MsgFilterMin, UINT MsgFilterMax, UINT RemoveMsg, LONG_PTR *ExtraInfo, BOOL bGMSG)
 
BOOL FASTCALL co_IntWaitMessage (PWND Window, UINT MsgFilterMin, UINT MsgFilterMax)
 
BOOL APIENTRY co_IntGetPeekMessage (PMSG pMsg, HWND hWnd, UINT MsgFilterMin, UINT MsgFilterMax, UINT RemoveMsg, BOOL bGMSG)
 
BOOL FASTCALL UserPostThreadMessage (PTHREADINFO pti, UINT Msg, WPARAM wParam, LPARAM lParam)
 
PTHREADINFO FASTCALL IntSendTo (PWND Window, PTHREADINFO ptiCur, UINT Msg)
 
BOOL FASTCALL UserPostMessage (HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 
LRESULT FASTCALL co_IntSendMessage (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 
static LRESULT FASTCALL co_IntSendMessageTimeoutSingle (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, UINT uFlags, UINT uTimeout, ULONG_PTR *uResult)
 
LRESULT FASTCALL co_IntSendMessageTimeout (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, UINT uFlags, UINT uTimeout, ULONG_PTR *uResult)
 
LRESULT FASTCALL co_IntSendMessageNoWait (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 
LRESULT FASTCALL co_IntSendMessageWithCallBack (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, SENDASYNCPROC CompletionCallback, ULONG_PTR CompletionCallbackContext, ULONG_PTR *uResult)
 
static LRESULT FASTCALL co_IntDoSendMessage (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, PDOSENDMESSAGE dsm)
 
BOOL FASTCALL UserSendNotifyMessage (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 
DWORD APIENTRY IntGetQueueStatus (DWORD Changes)
 
BOOL APIENTRY IntInitMessagePumpHook (VOID)
 
BOOL APIENTRY IntUninitMessagePumpHook (VOID)
 
BOOL FASTCALL IntCallMsgFilter (LPMSG lpmsg, INT code)
 
BOOL APIENTRY NtUserDragDetect (HWND hWnd, POINT pt)
 
BOOL APIENTRY NtUserPostMessage (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 
BOOL APIENTRY NtUserPostThreadMessage (DWORD idThread, UINT Msg, WPARAM wParam, LPARAM lParam)
 
BOOL APIENTRY NtUserWaitMessage (VOID)
 
BOOL APIENTRY NtUserGetMessage (PMSG pMsg, HWND hWnd, UINT MsgFilterMin, UINT MsgFilterMax)
 
BOOL APIENTRY NtUserPeekMessage (PMSG pMsg, HWND hWnd, UINT MsgFilterMin, UINT MsgFilterMax, UINT RemoveMsg)
 
BOOL APIENTRY NtUserCallMsgFilter (LPMSG lpmsg, INT code)
 
LRESULT APIENTRY NtUserDispatchMessage (PMSG UnsafeMsgInfo)
 
BOOL APIENTRY NtUserTranslateMessage (LPMSG lpMsg, UINT flags)
 
LRESULT APIENTRY ScrollBarWndProc (HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 
BOOL APIENTRY NtUserMessageCall (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, ULONG_PTR ResultInfo, DWORD dwType, BOOL Ansi)
 
DWORD APIENTRY NtUserWaitForInputIdle (IN HANDLE hProcess, IN DWORD dwMilliseconds, IN BOOL Unknown2)
 

Variables

static const unsigned int message_pointer_flags []
 
static MSGMEMORY g_MsgMemory []
 

Macro Definition Documentation

◆ INFINITE

#define INFINITE   0xFFFFFFFF

Definition at line 2888 of file message.c.

◆ MMS_FLAG_READ

#define MMS_FLAG_READ   0x01

Definition at line 110 of file message.c.

◆ MMS_FLAG_READWRITE

#define MMS_FLAG_READWRITE   (MMS_FLAG_READ | MMS_FLAG_WRITE)

Definition at line 112 of file message.c.

◆ MMS_FLAG_WRITE

#define MMS_FLAG_WRITE   0x02

Definition at line 111 of file message.c.

◆ MMS_SIZE_LPARAMSZ

#define MMS_SIZE_LPARAMSZ   -3

Definition at line 108 of file message.c.

◆ MMS_SIZE_SPECIAL

#define MMS_SIZE_SPECIAL   -4

Definition at line 109 of file message.c.

◆ MMS_SIZE_WPARAM

#define MMS_SIZE_WPARAM   -1

Definition at line 106 of file message.c.

◆ MMS_SIZE_WPARAMWCHAR

#define MMS_SIZE_WPARAMWCHAR   -2

Definition at line 107 of file message.c.

◆ PM_BADMSGFLAGS

#define PM_BADMSGFLAGS   ~((QS_RAWINPUT << 16)|PM_QS_SENDMESSAGE|PM_QS_PAINT|PM_QS_POSTMESSAGE|PM_QS_INPUT|PM_NOYIELD|PM_REMOVE)

Definition at line 15 of file message.c.

◆ SET

#define SET (   msg)    (1 << ((msg) & 31))

Definition at line 35 of file message.c.

◆ WAIT_FAILED

#define WAIT_FAILED   ((DWORD)0xFFFFFFFF)

Definition at line 2889 of file message.c.

Typedef Documentation

◆ MSGMEMORY

◆ PMSGMEMORY

Function Documentation

◆ co_IntDoSendMessage()

static LRESULT FASTCALL co_IntDoSendMessage ( HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam,
PDOSENDMESSAGE  dsm 
)
static

Definition at line 1788 of file message.c.

1793 {
1794  LRESULT Result = TRUE;
1795  NTSTATUS Status;
1796  PWND Window = NULL;
1797  MSG UserModeMsg, KernelModeMsg;
1798  PMSGMEMORY MsgMemoryEntry;
1799  PTHREADINFO ptiSendTo;
1800 
1801  if (hWnd != HWND_BROADCAST && hWnd != HWND_TOPMOST)
1802  {
1804  if ( !Window )
1805  {
1806  return 0;
1807  }
1808  }
1809 
1810  /* Check for an exiting window. */
1811  if (Window && Window->state & WNDS_DESTROYED)
1812  {
1813  ERR("co_IntDoSendMessage Window Exiting!\n");
1814  }
1815 
1816  /* See if the current thread can handle this message */
1817  ptiSendTo = IntSendTo(Window, gptiCurrent, Msg);
1818 
1819  // If broadcasting or sending to another thread, save the users data.
1820  if (!Window || ptiSendTo )
1821  {
1822  UserModeMsg.hwnd = hWnd;
1823  UserModeMsg.message = Msg;
1824  UserModeMsg.wParam = wParam;
1825  UserModeMsg.lParam = lParam;
1826  MsgMemoryEntry = FindMsgMemory(UserModeMsg.message);
1827  Status = CopyMsgToKernelMem(&KernelModeMsg, &UserModeMsg, MsgMemoryEntry);
1828  if (!NT_SUCCESS(Status))
1829  {
1831  return (dsm ? 0 : -1);
1832  }
1833  }
1834  else
1835  {
1836  KernelModeMsg.hwnd = hWnd;
1837  KernelModeMsg.message = Msg;
1838  KernelModeMsg.wParam = wParam;
1839  KernelModeMsg.lParam = lParam;
1840  }
1841 
1842  if (!dsm)
1843  {
1844  Result = co_IntSendMessage( KernelModeMsg.hwnd,
1845  KernelModeMsg.message,
1846  KernelModeMsg.wParam,
1847  KernelModeMsg.lParam );
1848  }
1849  else
1850  {
1851  Result = co_IntSendMessageTimeout( KernelModeMsg.hwnd,
1852  KernelModeMsg.message,
1853  KernelModeMsg.wParam,
1854  KernelModeMsg.lParam,
1855  dsm->uFlags,
1856  dsm->uTimeout,
1857  &dsm->Result );
1858  }
1859 
1860  if (!Window || ptiSendTo )
1861  {
1862  Status = CopyMsgToUserMem(&UserModeMsg, &KernelModeMsg);
1863  if (!NT_SUCCESS(Status))
1864  {
1866  return(dsm ? 0 : -1);
1867  }
1868  }
1869 
1870  return (LRESULT)Result;
1871 }
#define ERROR_INVALID_PARAMETER
Definition: compat.h:91
#define TRUE
Definition: types.h:120
static PMSGMEMORY FASTCALL FindMsgMemory(UINT Msg)
Definition: message.c:145
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
LONG NTSTATUS
Definition: precomp.h:26
HWND hWnd
Definition: settings.c:17
#define HWND_TOPMOST
Definition: winuser.h:1194
WPARAM wParam
Definition: combotst.c:138
Definition: window.c:29
struct @1576 Msg[]
PTHREADINFO FASTCALL IntSendTo(PWND Window, PTHREADINFO ptiCur, UINT Msg)
Definition: message.c:1167
static NTSTATUS FASTCALL CopyMsgToUserMem(MSG *UserModeMsg, MSG *KernelModeMsg)
Definition: message.c:475
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
static NTSTATUS FASTCALL CopyMsgToKernelMem(MSG *KernelModeMsg, MSG *UserModeMsg, PMSGMEMORY MsgMemoryEntry)
Definition: message.c:418
PTHREADINFO gptiCurrent
Definition: ntuser.c:15
PWND FASTCALL UserGetWindowObject(HWND hWnd)
Definition: window.c:103
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
LRESULT FASTCALL co_IntSendMessageTimeout(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, UINT uFlags, UINT uTimeout, ULONG_PTR *uResult)
Definition: message.c:1491
LRESULT FASTCALL co_IntSendMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1281
ULONG_PTR Result
Definition: ntuser.h:2616
Status
Definition: gdiplustypes.h:24
#define ERR(fmt,...)
Definition: debug.h:109
Definition: ntuser.h:657
LONG_PTR LRESULT
Definition: windef.h:209
#define HWND_BROADCAST
Definition: winuser.h:1190
#define WNDS_DESTROYED
Definition: ntuser.h:604
LPARAM lParam
Definition: combotst.c:139
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27

Referenced by NtUserMessageCall().

◆ co_IntGetPeekMessage()

BOOL APIENTRY co_IntGetPeekMessage ( PMSG  pMsg,
HWND  hWnd,
UINT  MsgFilterMin,
UINT  MsgFilterMax,
UINT  RemoveMsg,
BOOL  bGMSG 
)

Definition at line 1015 of file message.c.

1021 {
1022  PWND Window;
1023  PTHREADINFO pti;
1024  BOOL Present = FALSE;
1025  NTSTATUS Status;
1026  LONG_PTR ExtraInfo = 0;
1027 
1028  if ( hWnd == HWND_TOPMOST || hWnd == HWND_BROADCAST )
1029  hWnd = HWND_BOTTOM;
1030 
1031  /* Validate input */
1032  if (hWnd && hWnd != HWND_BOTTOM)
1033  {
1034  if (!(Window = UserGetWindowObject(hWnd)))
1035  {
1036  if (bGMSG)
1037  return -1;
1038  else
1039  return FALSE;
1040  }
1041  }
1042  else
1043  {
1044  Window = (PWND)hWnd;
1045  }
1046 
1047  if (MsgFilterMax < MsgFilterMin)
1048  {
1049  MsgFilterMin = 0;
1050  MsgFilterMax = 0;
1051  }
1052 
1053  if (bGMSG)
1054  {
1055  RemoveMsg |= ((GetWakeMask( MsgFilterMin, MsgFilterMax ))<< 16);
1056  }
1057 
1059  pti->pClientInfo->cSpins++; // Bump up the spin count.
1060 
1061  do
1062  {
1063  Present = co_IntPeekMessage( pMsg,
1064  Window,
1065  MsgFilterMin,
1066  MsgFilterMax,
1067  RemoveMsg,
1068  &ExtraInfo,
1069  bGMSG );
1070  if (Present)
1071  {
1072  /* GetMessage or PostMessage must never get messages that contain pointers */
1073  ASSERT(FindMsgMemory(pMsg->message) == NULL);
1074 
1075  if ( pMsg->message >= WM_DDE_FIRST && pMsg->message <= WM_DDE_LAST )
1076  {
1077  if (!IntDdeGetMessageHook(pMsg, ExtraInfo))
1078  {
1079  TRACE("DDE Get return ERROR\n");
1080  continue;
1081  }
1082  }
1083 
1084  if (pMsg->message != WM_PAINT && pMsg->message != WM_QUIT)
1085  {
1086  if (!RtlEqualMemory(&pti->ptLast, &pMsg->pt, sizeof(POINT)))
1087  {
1088  pti->TIF_flags |= TIF_MSGPOSCHANGED;
1089  }
1090  pti->timeLast = pMsg->time;
1091  pti->ptLast = pMsg->pt;
1092  }
1093 
1094  // The WH_GETMESSAGE hook enables an application to monitor messages about to
1095  // be returned by the GetMessage or PeekMessage function.
1096 
1097  co_HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, RemoveMsg & PM_REMOVE, (LPARAM)pMsg);
1098 
1099  if ( bGMSG || pMsg->message == WM_PAINT) break;
1100  }
1101 
1102  if ( bGMSG )
1103  {
1105  Window,
1106  MsgFilterMin,
1107  MsgFilterMax);
1108  if ( !NT_SUCCESS(Status) ||
1109  Status == STATUS_USER_APC ||
1110  Status == STATUS_TIMEOUT )
1111  {
1112  Present = -1;
1113  break;
1114  }
1115  }
1116  else
1117  {
1118  if (!(RemoveMsg & PM_NOYIELD))
1119  {
1120  IdlePing();
1121  // Yield this thread!
1122  UserLeave();
1123  ZwYieldExecution();
1125  // Fall through to exit.
1126  IdlePong();
1127  }
1128  break;
1129  }
1130  }
1131  while( bGMSG && !Present );
1132 
1133  // Been spinning, time to swap vinyl...
1134  if (pti->pClientInfo->cSpins >= 100)
1135  {
1136  // Clear the spin cycle to fix the mix.
1137  pti->pClientInfo->cSpins = 0;
1138  //if (!(pti->TIF_flags & TIF_SPINNING)) // FIXME: Need to swap vinyl...
1139  }
1140  return Present;
1141 }
static PMSGMEMORY FASTCALL FindMsgMemory(UINT Msg)
Definition: message.c:145
#define WH_GETMESSAGE
Definition: winuser.h:33
POINT pt
Definition: winuser.h:3093
VOID FASTCALL IdlePing(VOID)
Definition: message.c:515
FLONG TIF_flags
Definition: win32.h:94
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
LONG NTSTATUS
Definition: precomp.h:26
UINT FASTCALL GetWakeMask(UINT first, UINT last)
Definition: message.c:562
HWND hWnd
Definition: settings.c:17
#define WM_QUIT
Definition: winuser.h:1605
#define HWND_TOPMOST
Definition: winuser.h:1194
NTSTATUS FASTCALL co_MsqWaitForNewMessages(PTHREADINFO pti, PWND WndFilter, UINT MsgFilterMin, UINT MsgFilterMax)
Definition: msgqueue.c:2164
#define STATUS_TIMEOUT
Definition: ntstatus.h:81
Definition: window.c:29
unsigned int BOOL
Definition: ntddk_ex.h:94
NTSYSAPI NTSTATUS NTAPI ZwYieldExecution(VOID)
BOOL APIENTRY co_IntPeekMessage(PMSG Msg, PWND Window, UINT MsgFilterMin, UINT MsgFilterMax, UINT RemoveMsg, LONG_PTR *ExtraInfo, BOOL bGMSG)
Definition: message.c:806
smooth NULL
Definition: ftsmooth.c:416
LONG_PTR LPARAM
Definition: windef.h:208
PWND FASTCALL UserGetWindowObject(HWND hWnd)
Definition: window.c:103
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
#define HWND_BOTTOM
Definition: winuser.h:1191
#define TRACE(s)
Definition: solgame.cpp:4
NTSYSAPI ULONG NTAPI RtlEqualMemory(CONST VOID *Source1, CONST VOID *Source2, ULONG Length)
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
BOOL APIENTRY IntDdeGetMessageHook(PMSG pMsg, LONG_PTR ExtraInfo)
Definition: dde.c:326
struct _CLIENTINFO * pClientInfo
Definition: win32.h:93
int Window
Definition: x11stubs.h:26
#define WM_PAINT
Definition: winuser.h:1602
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
#define WM_DDE_LAST
Definition: dde.h:46
LONG timeLast
Definition: win32.h:101
#define TIF_MSGPOSCHANGED
Definition: ntuser.h:260
POINT ptLast
Definition: win32.h:127
Status
Definition: gdiplustypes.h:24
#define STATUS_USER_APC
Definition: ntstatus.h:78
Definition: ntuser.h:657
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
struct _WND * PWND
VOID FASTCALL IdlePong(VOID)
Definition: message.c:545
#define WM_DDE_FIRST
Definition: dde.h:47
#define HC_ACTION
Definition: winuser.h:48
#define PM_NOYIELD
Definition: winuser.h:1183
__int3264 LONG_PTR
Definition: mstsclib_h.h:276
DWORD time
Definition: winuser.h:3092
#define PM_REMOVE
Definition: winuser.h:1182
UINT message
Definition: winuser.h:3089
#define HWND_BROADCAST
Definition: winuser.h:1190

Referenced by DefWndDoSizeMove(), DefWndStartSizeMove(), DesktopThreadMain(), MENU_SuspendPopup(), MENU_TrackMenu(), NC_DoButton(), NC_HandleNCRButtonDown(), NtUserDragDetect(), NtUserGetMessage(), NtUserPeekMessage(), and NtUserWaitForInputIdle().

◆ co_IntPeekMessage()

BOOL APIENTRY co_IntPeekMessage ( PMSG  Msg,
PWND  Window,
UINT  MsgFilterMin,
UINT  MsgFilterMax,
UINT  RemoveMsg,
LONG_PTR ExtraInfo,
BOOL  bGMSG 
)

Definition at line 806 of file message.c.

813 {
814  PTHREADINFO pti;
815  BOOL RemoveMessages;
816  UINT ProcessMask;
817  BOOL Hit = FALSE;
818 
820 
821  RemoveMessages = RemoveMsg & PM_REMOVE;
822  ProcessMask = HIWORD(RemoveMsg);
823 
824  /* Hint, "If wMsgFilterMin and wMsgFilterMax are both zero, PeekMessage returns
825  all available messages (that is, no range filtering is performed)". */
826  if (!ProcessMask) ProcessMask = (QS_ALLPOSTMESSAGE|QS_ALLINPUT);
827 
828  IdlePong();
829 
830  do
831  {
832  pti->timeLast = EngGetTickCount32();
833  pti->pcti->tickLastMsgChecked = pti->timeLast;
834 
835  // Post mouse moves while looping through peek messages.
836  if (pti->MessageQueue->QF_flags & QF_MOUSEMOVED)
837  {
839  }
840 
841  /* Dispatch sent messages here. */
842  while ( co_MsqDispatchOneSentMessage(pti) )
843  {
844  /* if some PM_QS* flags were specified, only handle sent messages from now on */
845  if (HIWORD(RemoveMsg) && !bGMSG) Hit = TRUE; // wine does this; ProcessMask = QS_SENDMESSAGE;
846  }
847  if (Hit) return FALSE;
848 
849  /* Clear changed bits so we can wait on them if we don't find a message */
850  if (ProcessMask & QS_POSTMESSAGE)
851  {
852  pti->pcti->fsChangeBits &= ~(QS_POSTMESSAGE | QS_HOTKEY | QS_TIMER);
853  if (MsgFilterMin == 0 && MsgFilterMax == 0) // Wine hack does this; ~0U)
854  {
855  pti->pcti->fsChangeBits &= ~QS_ALLPOSTMESSAGE;
856  }
857  }
858 
859  if (ProcessMask & QS_INPUT)
860  {
861  pti->pcti->fsChangeBits &= ~QS_INPUT;
862  }
863 
864  /* Now check for normal messages. */
865  if (( (ProcessMask & QS_POSTMESSAGE) ||
866  (ProcessMask & QS_HOTKEY) ) &&
867  MsqPeekMessage( pti,
868  RemoveMessages,
869  Window,
870  MsgFilterMin,
871  MsgFilterMax,
872  ProcessMask,
873  ExtraInfo,
874  0,
875  Msg ))
876  {
877  return TRUE;
878  }
879 
880  /* Only check for quit messages if not posted messages pending. */
881  if (ProcessMask & QS_POSTMESSAGE && pti->QuitPosted)
882  {
883  /* According to the PSDK, WM_QUIT messages are always returned, regardless
884  of the filter specified */
885  Msg->hwnd = NULL;
886  Msg->message = WM_QUIT;
887  Msg->wParam = pti->exitCode;
888  Msg->lParam = 0;
889  if (RemoveMessages)
890  {
891  pti->QuitPosted = FALSE;
893  pti->pcti->fsWakeBits &= ~QS_ALLPOSTMESSAGE;
894  pti->pcti->fsChangeBits &= ~QS_ALLPOSTMESSAGE;
895  }
896  return TRUE;
897  }
898 
899  /* Check for hardware events. */
900  if ((ProcessMask & QS_INPUT) &&
902  RemoveMessages,
903  Window,
904  MsgFilterMin,
905  MsgFilterMax,
906  ProcessMask,
907  Msg))
908  {
909  return TRUE;
910  }
911 
912  /* Now check for System Event messages. */
913  {
914  LONG_PTR eExtraInfo;
915  MSG eMsg;
916  DWORD dwQEvent;
917  if (MsqPeekMessage( pti,
918  TRUE,
919  Window,
920  0,
921  0,
922  QS_EVENT,
923  &eExtraInfo,
924  &dwQEvent,
925  &eMsg ))
926  {
927  handle_internal_events( pti, Window, dwQEvent, eExtraInfo, &eMsg);
928  continue;
929  }
930  }
931 
932  /* Check for sent messages again. */
933  while ( co_MsqDispatchOneSentMessage(pti) )
934  {
935  if (HIWORD(RemoveMsg) && !bGMSG) Hit = TRUE;
936  }
937  if (Hit) return FALSE;
938 
939  /* Check for paint messages. */
940  if ((ProcessMask & QS_PAINT) &&
941  pti->cPaintsReady &&
943  MsgFilterMin,
944  MsgFilterMax,
945  pti,
946  Msg,
947  RemoveMessages))
948  {
949  return TRUE;
950  }
951 
952  /* This is correct, check for the current threads timers waiting to be
953  posted to this threads message queue. If any we loop again.
954  */
955  if ((ProcessMask & QS_TIMER) &&
957  {
958  continue;
959  }
960 
961  return FALSE;
962  }
963  while (TRUE);
964 
965  return TRUE;
966 }
static LRESULT handle_internal_events(PTHREADINFO pti, PWND pWnd, DWORD dwQEvent, LONG_PTR ExtraInfo, PMSG pMsg)
Definition: message.c:654
#define TRUE
Definition: types.h:120
BOOL FASTCALL IntGetPaintMessage(PWND Window, UINT MsgFilterMin, UINT MsgFilterMax, PTHREADINFO Thread, MSG *Message, BOOL Remove)
Definition: painting.c:1172
#define QS_ALLPOSTMESSAGE
Definition: winuser.h:876
#define EngGetTickCount32()
Definition: eng.h:43
BOOLEAN FASTCALL co_MsqDispatchOneSentMessage(_In_ PTHREADINFO pti)
Definition: msgqueue.c:873
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
UINT cPaintsReady
Definition: win32.h:108
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define WM_QUIT
Definition: winuser.h:1605
#define QS_TIMER
Definition: winuser.h:893
BOOLEAN QuitPosted
Definition: win32.h:104
Definition: window.c:29
struct @1576 Msg[]
#define QS_HOTKEY
Definition: winuser.h:877
unsigned int BOOL
Definition: ntddk_ex.h:94
smooth NULL
Definition: ftsmooth.c:416
INT exitCode
Definition: win32.h:106
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
#define QS_INPUT
Definition: winuser.h:881
VOID FASTCALL ClearMsgBitsMask(PTHREADINFO pti, UINT MessageBits)
Definition: msgqueue.c:445
#define QS_EVENT
Definition: undocuser.h:95
unsigned long DWORD
Definition: ntddk_ex.h:95
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: msgqueue.c:2107
BOOL FASTCALL PostTimerMessages(PWND Window)
Definition: timer.c:395
VOID FASTCALL IntCoalesceMouseMove(PTHREADINFO pti)
Definition: msgqueue.c:551
LONG timeLast
Definition: win32.h:101
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
VOID FASTCALL IdlePong(VOID)
Definition: message.c:545
#define QS_ALLINPUT
Definition: winuser.h:874
#define QS_POSTMESSAGE
Definition: winuser.h:888
__int3264 LONG_PTR
Definition: mstsclib_h.h:276
unsigned int UINT
Definition: ndis.h:50
#define QS_PAINT
Definition: winuser.h:887
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: msgqueue.c:1996
#define HIWORD(l)
Definition: typedefs.h:246
#define PM_REMOVE
Definition: winuser.h:1182
#define QF_MOUSEMOVED
Definition: msgqueue.h:99

Referenced by co_IntGetPeekMessage(), and co_IntWaitMessage().

◆ co_IntSendMessage()

LRESULT FASTCALL co_IntSendMessage ( HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam 
)

Definition at line 1281 of file message.c.

1285 {
1286  ULONG_PTR Result = 0;
1287 
1289  {
1290  return (LRESULT)Result;
1291  }
1292  return 0;
1293 }
HWND hWnd
Definition: settings.c:17
WPARAM wParam
Definition: combotst.c:138
#define SMTO_NORMAL
Definition: winuser.h:1211
uint32_t ULONG_PTR
Definition: typedefs.h:63
struct @1576 Msg[]
_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
LRESULT FASTCALL co_IntSendMessageTimeout(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, UINT uFlags, UINT uTimeout, ULONG_PTR *uResult)
Definition: message.c:1491
LONG_PTR LRESULT
Definition: windef.h:209
LPARAM lParam
Definition: combotst.c:139

Referenced by co_IntDoSendMessage(), co_IntPaintWindows(), co_IntProcessKeyboardMessage(), co_IntProcessMouseMessage(), co_IntSendActivateMessages(), co_IntSendDeactivateMessages(), co_IntSetForegroundMessageQueue(), co_IntSetWindowLongPtr(), co_IntTranslateAccelerator(), co_IntUpdateWindows(), co_MsqDispatchOneSentMessage(), co_UserActivateKbl(), co_UserCreateWindowEx(), co_UserFreeWindow(), co_UserSetCapture(), co_WinPosDoNCCALCSize(), co_WinPosDoWinPosChanging(), co_WinPosGetMinMaxInfo(), co_WinPosSearchChildren(), co_WinPosShowWindow(), DefWndDoSizeMove(), DefWndHandleSysCommand(), DefWndHandleWindowPosChanged(), DefWndPrint(), DefWndStartSizeMove(), ForceNCPaintErase(), GetControlColor(), IntActivateWindow(), IntBeginPaint(), IntClientShutdown(), IntDeactivateWindow(), IntDefWindowProc(), IntEnableWindow(), IntFlashWindowEx(), IntScrollWindowEx(), IntSendDestroyMsg(), IntSendFocusMessages(), IntSendNCPaint(), IntSendParentNotify(), IntShowOwnedPopups(), IntTrackPopupMenuEx(), MENU_CalcItemSize(), MENU_DoNextMenu(), MENU_DrawBitmapItem(), MENU_DrawMenuItem(), MENU_ExitTracking(), MENU_FindItemByKey(), MENU_GetBitmapItemSize(), MENU_HideSubPopups(), MENU_InitTracking(), MENU_SelectItem(), MENU_ShowSubPopup(), MENU_TrackMenu(), MsqSendParentNotify(), NC_DoButton(), NC_DoNCPaint(), NC_HandleNCLButtonDblClk(), NC_HandleNCLButtonDown(), NC_HandleNCRButtonDown(), NtUserChangeClipboardChain(), NtUserGetClipboardData(), NtUserGetComboBoxInfo(), NtUserGetListBoxInfo(), NtUserGetMenuBarInfo(), UserClipboardRelease(), UserEmptyClipboard(), and UserPaintCaption().

◆ co_IntSendMessageNoWait()

LRESULT FASTCALL co_IntSendMessageNoWait ( HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam 
)

Definition at line 1547 of file message.c.

1551 {
1552  ULONG_PTR Result = 0;
1554  Msg,
1555  wParam,
1556  lParam,
1557  NULL,
1558  0,
1559  &Result);
1560 }
HWND hWnd
Definition: settings.c:17
WPARAM wParam
Definition: combotst.c:138
uint32_t ULONG_PTR
Definition: typedefs.h:63
struct @1576 Msg[]
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
LPARAM lParam
Definition: combotst.c:139
LRESULT FASTCALL co_IntSendMessageWithCallBack(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, SENDASYNCPROC CompletionCallback, ULONG_PTR CompletionCallbackContext, ULONG_PTR *uResult)
Definition: message.c:1569

Referenced by co_WinPosGetNonClientSize(), co_WinPosMinMaximize(), co_WinPosSendSizeMove(), co_WinPosSetWindowPos(), co_WinPosShowWindow(), IntEndDeferWindowPosEx(), IntSendSyncPaint(), IntSetWindowPlacement(), NtUserSetClipboardViewer(), NtUserShowWindowAsync(), UserClipboardRelease(), UserCloseClipboard(), and UserSendNotifyMessage().

◆ co_IntSendMessageTimeout()

LRESULT FASTCALL co_IntSendMessageTimeout ( HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam,
UINT  uFlags,
UINT  uTimeout,
ULONG_PTR uResult 
)

Definition at line 1491 of file message.c.

1498 {
1500  HWND *Children;
1501  HWND *Child;
1502 
1503  if (hWnd != HWND_BROADCAST && hWnd != HWND_TOPMOST)
1504  {
1505  return co_IntSendMessageTimeoutSingle(hWnd, Msg, wParam, lParam, uFlags, uTimeout, uResult);
1506  }
1507 
1508  if (!is_message_broadcastable(Msg)) return TRUE;
1509 
1511  if (NULL == DesktopWindow)
1512  {
1514  return 0;
1515  }
1516 
1517  if (hWnd != HWND_TOPMOST)
1518  {
1519  /* Send message to the desktop window too! */
1520  co_IntSendMessageTimeoutSingle(DesktopWindow->head.h, Msg, wParam, lParam, uFlags, uTimeout, uResult);
1521  }
1522 
1523  Children = IntWinListChildren(DesktopWindow);
1524  if (NULL == Children)
1525  {
1526  return 0;
1527  }
1528 
1529  for (Child = Children; NULL != *Child; Child++)
1530  {
1531  PWND pwnd = UserGetWindowObject(*Child);
1532  if (!pwnd) continue;
1533 
1534  if ( pwnd->fnid == FNID_MENU ||
1536  continue;
1537 
1538  co_IntSendMessageTimeoutSingle(*Child, Msg, wParam, lParam, uFlags, uTimeout, uResult);
1539  }
1540 
1542 
1543  return (LRESULT) TRUE;
1544 }
static LRESULT FASTCALL co_IntSendMessageTimeoutSingle(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, UINT uFlags, UINT uTimeout, ULONG_PTR *uResult)
Definition: message.c:1296
#define TRUE
Definition: types.h:120
#define ERROR_INTERNAL_ERROR
Definition: winerror.h:840
static BOOL is_message_broadcastable(UINT msg)
Definition: message.c:556
#define FNID_MENU
Definition: ntuser.h:823
HWND hWnd
Definition: settings.c:17
#define HWND_TOPMOST
Definition: winuser.h:1194
UINT uFlags
Definition: api.c:60
RTL_ATOM atomClassName
Definition: ntuser.h:536
PSERVERINFO gpsi
Definition: main.c:27
WPARAM wParam
Definition: combotst.c:138
struct @1576 Msg[]
DWORD fnid
Definition: ntuser.h:673
smooth NULL
Definition: ftsmooth.c:416
PWND FASTCALL UserGetWindowObject(HWND hWnd)
Definition: window.c:103
Implementation of the Explorer desktop window.
Definition: desktop.h:51
#define ICLS_SWITCH
Definition: ntuser.h:893
PWND FASTCALL UserGetDesktopWindow(VOID)
Definition: desktop.c:1349
HWND *FASTCALL IntWinListChildren(PWND Window)
Definition: window.c:255
Definition: ntuser.h:657
ACPI_PHYSICAL_ADDRESS ACPI_SIZE BOOLEAN Warn BOOLEAN Physical UINT32 ACPI_TABLE_HEADER *OutTableHeader ACPI_TABLE_HEADER **OutTable ACPI_HANDLE UINT32 ACPI_WALK_CALLBACK ACPI_WALK_CALLBACK void void **ReturnValue UINT32 ACPI_BUFFER *RetPathPtr ACPI_OBJECT_HANDLER void *Data ACPI_OBJECT_HANDLER void **Data ACPI_STRING ACPI_OBJECT_LIST ACPI_BUFFER *ReturnObjectBuffer ACPI_DEVICE_INFO **ReturnBuffer ACPI_HANDLE ACPI_HANDLE Child
Definition: acpixf.h:722
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
#define USERTAG_WINDOWLIST
Definition: tags.h:297
LONG_PTR LRESULT
Definition: windef.h:209
#define HWND_BROADCAST
Definition: winuser.h:1190
LPARAM lParam
Definition: combotst.c:139
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27
ATOM atomSysClass[ICLS_NOTUSED+1]
Definition: ntuser.h:1013
PCLS pcls
Definition: ntuser.h:684

Referenced by co_IntDoSendMessage(), co_IntSendMessage(), NtUserMessageCall(), UserChangeDisplaySettings(), and UserSystemParametersInfo().

◆ co_IntSendMessageTimeoutSingle()

static LRESULT FASTCALL co_IntSendMessageTimeoutSingle ( HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam,
UINT  uFlags,
UINT  uTimeout,
ULONG_PTR uResult 
)
static

Definition at line 1296 of file message.c.

1303 {
1305  PWND Window = NULL;
1306  PMSGMEMORY MsgMemoryEntry;
1307  INT lParamBufferSize;
1308  LPARAM lParamPacked;
1309  PTHREADINFO Win32Thread, ptiSendTo = NULL;
1310  ULONG_PTR Result = 0;
1313  BOOL DoCallBack = TRUE;
1314 
1315  if (!(Window = UserGetWindowObject(hWnd)))
1316  {
1317  TRACE("SendMessageTimeoutSingle: Invalid handle 0x%p!\n",hWnd);
1318  RETURN( FALSE);
1319  }
1320 
1321  UserRefObjectCo(Window, &Ref);
1322 
1323  Win32Thread = PsGetCurrentThreadWin32Thread();
1324 
1325  ptiSendTo = IntSendTo(Window, Win32Thread, Msg);
1326 
1327  if ( Msg >= WM_DDE_FIRST && Msg <= WM_DDE_LAST )
1328  {
1330  {
1331  ERR("Sending Exit DDE 0x%x\n",Msg);
1332  RETURN( FALSE);
1333  }
1334  }
1335 
1336  if ( !ptiSendTo )
1337  {
1338  if (Win32Thread->TIF_flags & TIF_INCLEANUP)
1339  {
1340  /* Never send messages to exiting threads */
1341  RETURN( FALSE);
1342  }
1343 
1344  if (Msg & 0x80000000)
1345  {
1346  TRACE("SMTS: Internal Message!\n");
1348  if (uResult) *uResult = Result;
1349  RETURN( TRUE);
1350  }
1351 
1352  // Only happens when calling the client!
1354 
1355  if ( Window->state & WNDS_SERVERSIDEWINDOWPROC )
1356  {
1357  TRACE("SMT: Server Side Window Procedure\n");
1358  // Handle it here. Safeguard against excessive recursions.
1359  if (IoGetRemainingStackSize() < PAGE_SIZE)
1360  {
1361  ERR("Server Callback Exceeded Stack!\n");
1362  RETURN( FALSE);
1363  }
1364  /* Return after server side call, IntCallWndProcRet will not be called. */
1365  switch(Window->fnid)
1366  {
1367  case FNID_DESKTOP:
1368  DoCallBack = !DesktopWindowProc(Window, Msg, wParam, lParam,(LRESULT*)&Result);
1369  break;
1370  case FNID_MESSAGEWND:
1372  break;
1373  case FNID_MENU:
1374  DoCallBack = !PopupMenuWndProc( Window, Msg, wParam, lParam,(LRESULT*)&Result);
1375  break;
1376  }
1377  if (!DoCallBack)
1378  {
1379  if (uResult) *uResult = Result;
1380  RETURN( TRUE);
1381  }
1382  }
1383  /* See if this message type is present in the table */
1384  MsgMemoryEntry = FindMsgMemory(Msg);
1385  if (NULL == MsgMemoryEntry)
1386  {
1387  lParamBufferSize = -1;
1388  }
1389  else
1390  {
1391  lParamBufferSize = MsgMemorySize(MsgMemoryEntry, wParam, lParam);
1392  // If zero, do not allow callback on client side to allocate a buffer!!!!! See CORE-7695.
1393  if (!lParamBufferSize) lParamBufferSize = -1;
1394  }
1395 
1396  if (! NT_SUCCESS(PackParam(&lParamPacked, Msg, wParam, lParam, FALSE)))
1397  {
1398  ERR("Failed to pack message parameters\n");
1399  RETURN( FALSE);
1400  }
1401 
1402  Result = (ULONG_PTR)co_IntCallWindowProc( Window->lpfnWndProc,
1403  !Window->Unicode,
1404  hWnd,
1405  Msg,
1406  wParam,
1407  lParamPacked,
1408  lParamBufferSize );
1409  if (uResult)
1410  {
1411  *uResult = Result;
1412  }
1413 
1414  if (! NT_SUCCESS(UnpackParam(lParamPacked, Msg, wParam, lParam, FALSE)))
1415  {
1416  ERR("Failed to unpack message parameters\n");
1417  RETURN( TRUE);
1418  }
1419 
1420  // Only happens when calling the client!
1421  IntCallWndProcRet( Window, hWnd, Msg, wParam, lParam, (LRESULT *)uResult);
1422 
1423  RETURN( TRUE);
1424  }
1425 
1426  if (MsqIsHung(ptiSendTo))
1427  {
1428  if (uFlags & SMTO_ABORTIFHUNG)
1429  {
1430  // FIXME: Set window hung and add to a list.
1431  /* FIXME: Set a LastError? */
1432  RETURN( FALSE);
1433  }
1434  }
1435 
1436  if (Window->state & WNDS_DESTROYED)
1437  {
1438  /* FIXME: Last error? */
1439  ERR("Attempted to send message to window %p that is being destroyed!\n", hWnd);
1440  RETURN( FALSE);
1441  }
1442 
1443  do
1444  {
1445  Status = co_MsqSendMessage( ptiSendTo,
1446  hWnd,
1447  Msg,
1448  wParam,
1449  lParam,
1450  uTimeout,
1451  (uFlags & SMTO_BLOCK),
1452  MSQ_NORMAL,
1453  uResult );
1454  }
1455  while ((STATUS_TIMEOUT == Status) &&
1456  (uFlags & SMTO_NOTIMEOUTIFNOTHUNG) &&
1457  !MsqIsHung(ptiSendTo)); // FIXME: Set window hung and add to a list.
1458 
1459  if (Status == STATUS_TIMEOUT)
1460  {
1461  if (0 && MsqIsHung(ptiSendTo))
1462  {
1463  TRACE("Let's go Ghost!\n");
1465  }
1466 /*
1467  * MSDN says:
1468  * Microsoft Windows 2000: If GetLastError returns zero, then the function
1469  * timed out.
1470  * XP+ : If the function fails or times out, the return value is zero.
1471  * To get extended error information, call GetLastError. If GetLastError
1472  * returns ERROR_TIMEOUT, then the function timed out.
1473  */
1475  RETURN( FALSE);
1476  }
1477  else if (!NT_SUCCESS(Status))
1478  {
1480  RETURN( FALSE);
1481  }
1482 
1483  RETURN( TRUE);
1484 
1485 CLEANUP:
1487  END_CLEANUP;
1488 }
#define TRUE
Definition: types.h:120
static PMSGMEMORY FASTCALL FindMsgMemory(UINT Msg)
Definition: message.c:145
BOOL WINAPI PopupMenuWndProc(PWND Wnd, UINT Message, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: menu.c:4628
#define CLEANUP
Definition: ntuser.h:5
static LRESULT handle_internal_message(PWND pWnd, UINT msg, WPARAM wparam, LPARAM lparam)
Definition: message.c:613
#define ERROR_TIMEOUT
Definition: winerror.h:941
FLONG TIF_flags
Definition: win32.h:94
BOOL FASTCALL MsqIsHung(PTHREADINFO pti)
Definition: msgqueue.c:2194
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define FNID_MENU
Definition: ntuser.h:823
LONG NTSTATUS
Definition: precomp.h:26
HWND hWnd
Definition: settings.c:17
static __inline VOID UserRefObjectCo(PVOID obj, PUSER_REFERENCE_ENTRY UserReferenceEntry)
Definition: object.h:25
BOOL FASTCALL DesktopWindowProc(PWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: desktop.c:1401
LRESULT APIENTRY co_IntCallWindowProc(WNDPROC Proc, BOOLEAN IsAnsiProc, HWND Wnd, UINT Message, WPARAM wParam, LPARAM lParam, INT lParamBufferSize)
Definition: callback.c:289
UINT uFlags
Definition: api.c:60
int32_t INT
Definition: typedefs.h:56
WPARAM wParam
Definition: combotst.c:138
#define SMTO_ABORTIFHUNG
Definition: winuser.h:1209
#define FNID_MESSAGEWND
Definition: ntuser.h:826
uint32_t ULONG_PTR
Definition: typedefs.h:63
#define STATUS_TIMEOUT
Definition: ntstatus.h:81
Definition: window.c:29
struct @1576 Msg[]
static NTSTATUS PackParam(LPARAM *lParamPacked, UINT Msg, WPARAM wParam, LPARAM lParam, BOOL NonPagedPoolNeeded)
Definition: message.c:251
unsigned int BOOL
Definition: ntddk_ex.h:94
#define FNID_DESKTOP
Definition: ntuser.h:824
static __inline VOID UserDerefObjectCo(PVOID obj)
Definition: object.h:38
PTHREADINFO FASTCALL IntSendTo(PWND Window, PTHREADINFO ptiCur, UINT Msg)
Definition: message.c:1167
Definition: object.h:3
static NTSTATUS UnpackParam(LPARAM lParamPacked, UINT Msg, WPARAM wParam, LPARAM lParam, BOOL NonPagedPoolUsed)
Definition: message.c:369
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
LONG_PTR LPARAM
Definition: windef.h:208
PWND FASTCALL UserGetWindowObject(HWND hWnd)
Definition: window.c:103
#define TRACE(s)
Definition: solgame.cpp:4
static VOID FASTCALL IntCallWndProc(PWND Window, HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:581
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define DECLARE_RETURN(type)
Definition: ntuser.h:3
BOOL FASTCALL UserMessageWindowProc(PWND pwnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: desktop.c:1487
#define WM_DDE_LAST
Definition: dde.h:46
#define PAGE_SIZE
Definition: env_spec_w32.h:49
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
BOOL FASTCALL IntMakeHungWindowGhosted(HWND hwndHung)
Definition: ghost.c:156
Status
Definition: gdiplustypes.h:24
#define ERR(fmt,...)
Definition: debug.h:109
Definition: ntuser.h:657
BOOL FASTCALL IntDdeSendMessageHook(PWND pWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: dde.c:386
#define MSQ_NORMAL
Definition: msgqueue.h:4
#define WM_DDE_FIRST
Definition: dde.h:47
static UINT FASTCALL MsgMemorySize(PMSGMEMORY MsgMemoryEntry, WPARAM wParam, LPARAM lParam)
Definition: message.c:164
static VOID FASTCALL IntCallWndProcRet(PWND Window, HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *uResult)
Definition: message.c:597
#define ULONG_PTR
Definition: config.h:101
NTSTATUS FASTCALL co_MsqSendMessage(PTHREADINFO ptirec, HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam, UINT uTimeout, BOOL Block, INT HookMessage, ULONG_PTR *uResult)
Definition: msgqueue.c:1057
LONG_PTR LRESULT
Definition: windef.h:209
return STATUS_SUCCESS
Definition: btrfs.c:2966
#define WNDS_SERVERSIDEWINDOWPROC
Definition: ntuser.h:591
#define WNDS_DESTROYED
Definition: ntuser.h:604
LPARAM lParam
Definition: combotst.c:139
#define SMTO_BLOCK
Definition: winuser.h:1210
#define TIF_INCLEANUP
Definition: ntuser.h:240
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27
#define RETURN(rrr)
Definition: decompress.c:40
#define END_CLEANUP
Definition: ntuser.h:6

Referenced by co_IntSendMessageTimeout().

◆ co_IntSendMessageWithCallBack()

LRESULT FASTCALL co_IntSendMessageWithCallBack ( HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam,
SENDASYNCPROC  CompletionCallback,
ULONG_PTR  CompletionCallbackContext,
ULONG_PTR uResult 
)

Definition at line 1569 of file message.c.

1576 {
1577  ULONG_PTR Result;
1578  PWND Window = NULL;
1579  PMSGMEMORY MsgMemoryEntry;
1580  INT lParamBufferSize;
1581  LPARAM lParamPacked;
1582  PTHREADINFO Win32Thread, ptiSendTo = NULL;
1586  BOOL DoCallBack = TRUE;
1587 
1588  if (!(Window = UserGetWindowObject(hWnd)))
1589  {
1590  TRACE("SendMessageWithCallBack: Invalid handle 0x%p!\n",hWnd);
1591  RETURN(FALSE);
1592  }
1593 
1594  UserRefObjectCo(Window, &Ref);
1595 
1596  if (Window->state & WNDS_DESTROYED)
1597  {
1598  /* FIXME: last error? */
1599  ERR("Attempted to send message to window %p that is being destroyed!\n", hWnd);
1600  RETURN(FALSE);
1601  }
1602 
1603  Win32Thread = PsGetCurrentThreadWin32Thread();
1604 
1605  if (Win32Thread == NULL ||
1606  Win32Thread->TIF_flags & TIF_INCLEANUP)
1607  {
1608  RETURN(FALSE);
1609  }
1610 
1611  ptiSendTo = IntSendTo(Window, Win32Thread, Msg);
1612 
1613  if (Msg & 0x80000000 &&
1614  !ptiSendTo)
1615  {
1616  if (Win32Thread->TIF_flags & TIF_INCLEANUP) RETURN( FALSE);
1617 
1618  TRACE("SMWCB: Internal Message!\n");
1620  if (uResult) *uResult = Result;
1621  RETURN( TRUE);
1622  }
1623 
1624  /* See if this message type is present in the table */
1625  MsgMemoryEntry = FindMsgMemory(Msg);
1626  if (NULL == MsgMemoryEntry)
1627  {
1628  lParamBufferSize = -1;
1629  }
1630  else
1631  {
1632  lParamBufferSize = MsgMemorySize(MsgMemoryEntry, wParam, lParam);
1633  if (!lParamBufferSize) lParamBufferSize = -1;
1634  }
1635 
1636  if (! NT_SUCCESS(PackParam(&lParamPacked, Msg, wParam, lParam, !!ptiSendTo)))
1637  {
1638  ERR("Failed to pack message parameters\n");
1639  RETURN( FALSE);
1640  }
1641 
1642  /* If it can be sent now, then send it. */
1643  if ( !ptiSendTo )
1644  {
1645  if (Win32Thread->TIF_flags & TIF_INCLEANUP)
1646  {
1647  UnpackParam(lParamPacked, Msg, wParam, lParam, FALSE);
1648  /* Never send messages to exiting threads */
1649  RETURN(FALSE);
1650  }
1651 
1653 
1654  if ( Window->state & WNDS_SERVERSIDEWINDOWPROC )
1655  {
1656  TRACE("SMWCB: Server Side Window Procedure\n");
1657  switch(Window->fnid)
1658  {
1659  case FNID_DESKTOP:
1660  DoCallBack = !DesktopWindowProc(Window, Msg, wParam, lParamPacked, (LRESULT*)&Result);
1661  break;
1662  case FNID_MESSAGEWND:
1664  break;
1665  case FNID_MENU:
1666  DoCallBack = !PopupMenuWndProc( Window, Msg, wParam, lParam,(LRESULT*)&Result);
1667  break;
1668  }
1669  }
1670 
1671  if (DoCallBack)
1672  Result = (ULONG_PTR)co_IntCallWindowProc( Window->lpfnWndProc,
1673  !Window->Unicode,
1674  hWnd,
1675  Msg,
1676  wParam,
1677  lParamPacked,
1678  lParamBufferSize );
1679  if(uResult)
1680  {
1681  *uResult = Result;
1682  }
1683 
1684  IntCallWndProcRet( Window, hWnd, Msg, wParam, lParam, (LRESULT *)uResult);
1685 
1686  if (CompletionCallback)
1687  {
1689  hWnd,
1690  Msg,
1691  CompletionCallbackContext,
1692  Result);
1693  }
1694  }
1695 
1696  if ( !ptiSendTo)
1697  {
1698  if (! NT_SUCCESS(UnpackParam(lParamPacked, Msg, wParam, lParam, FALSE)))
1699  {
1700  ERR("Failed to unpack message parameters\n");
1701  }
1702  RETURN(TRUE);
1703  }
1704 
1706  {
1707  ERR("MsqSendMessage(): Not enough memory to allocate a message");
1708  RETURN( FALSE);
1709  }
1710 
1711  Message->Msg.hwnd = hWnd;
1712  Message->Msg.message = Msg;
1713  Message->Msg.wParam = wParam;
1714  Message->Msg.lParam = lParamPacked;
1715  Message->pkCompletionEvent = NULL; // No event needed.
1716  Message->lResult = 0;
1717  Message->QS_Flags = 0;
1718  Message->ptiReceiver = ptiSendTo;
1719  Message->ptiSender = NULL; // mjmartin, you are right! This is null.
1720  Message->ptiCallBackSender = Win32Thread;
1721  Message->CompletionCallback = CompletionCallback;
1722  Message->CompletionCallbackContext = CompletionCallbackContext;
1723  Message->HookMessage = MSQ_NORMAL;
1724  Message->HasPackedLParam = (lParamBufferSize > 0);
1725  Message->QS_Flags = QS_SENDMESSAGE;
1726  Message->flags = SMF_RECEIVERFREE;
1727 
1728  if (Msg & 0x80000000) // Higher priority event message!
1729  InsertHeadList(&ptiSendTo->SentMessagesListHead, &Message->ListEntry);
1730  else
1731  InsertTailList(&ptiSendTo->SentMessagesListHead, &Message->ListEntry);
1732  MsqWakeQueue(ptiSendTo, QS_SENDMESSAGE, TRUE);
1733 
1734  RETURN(TRUE);
1735 
1736 CLEANUP:
1738  END_CLEANUP;
1739 }
VOID FASTCALL MsqWakeQueue(PTHREADINFO pti, DWORD MessageBits, BOOL KeyEvent)
Definition: msgqueue.c:412
#define TRUE
Definition: types.h:120
static PMSGMEMORY FASTCALL FindMsgMemory(UINT Msg)
Definition: message.c:145
BOOL WINAPI PopupMenuWndProc(PWND Wnd, UINT Message, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: menu.c:4628
#define CLEANUP
Definition: ntuser.h:5
static LRESULT handle_internal_message(PWND pWnd, UINT msg, WPARAM wparam, LPARAM lparam)
Definition: message.c:613
FORCEINLINE VOID InsertHeadList(_Inout_ PLIST_ENTRY ListHead, _Inout_ __drv_aliasesMem PLIST_ENTRY Entry)
Definition: rtlfuncs.h:201
FLONG TIF_flags
Definition: win32.h:94
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define FNID_MENU
Definition: ntuser.h:823
HWND hWnd
Definition: settings.c:17
static __inline VOID UserRefObjectCo(PVOID obj, PUSER_REFERENCE_ENTRY UserReferenceEntry)
Definition: object.h:25
BOOL FASTCALL DesktopWindowProc(PWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: desktop.c:1401
LRESULT APIENTRY co_IntCallWindowProc(WNDPROC Proc, BOOLEAN IsAnsiProc, HWND Wnd, UINT Message, WPARAM wParam, LPARAM lParam, INT lParamBufferSize)
Definition: callback.c:289
#define InsertTailList(ListHead, Entry)
int32_t INT
Definition: typedefs.h:56
WPARAM wParam
Definition: combotst.c:138
#define FNID_MESSAGEWND
Definition: ntuser.h:826
uint32_t ULONG_PTR
Definition: typedefs.h:63
Definition: window.c:29
struct @1576 Msg[]
static NTSTATUS PackParam(LPARAM *lParamPacked, UINT Msg, WPARAM wParam, LPARAM lParam, BOOL NonPagedPoolNeeded)
Definition: message.c:251
unsigned int BOOL
Definition: ntddk_ex.h:94
#define FNID_DESKTOP
Definition: ntuser.h:824
static __inline VOID UserDerefObjectCo(PVOID obj)
Definition: object.h:38
LIST_ENTRY SentMessagesListHead
Definition: win32.h:99
PTHREADINFO FASTCALL IntSendTo(PWND Window, PTHREADINFO ptiCur, UINT Msg)
Definition: message.c:1167
#define SMF_RECEIVERFREE
Definition: msgqueue.h:40
Definition: object.h:3
static NTSTATUS UnpackParam(LPARAM lParamPacked, UINT Msg, WPARAM wParam, LPARAM lParam, BOOL NonPagedPoolUsed)
Definition: message.c:369
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
LONG_PTR LPARAM
Definition: windef.h:208
PWND FASTCALL UserGetWindowObject(HWND hWnd)
Definition: window.c:103
#define TRACE(s)
Definition: solgame.cpp:4
static VOID FASTCALL IntCallWndProc(PWND Window, HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:581
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define DECLARE_RETURN(type)
Definition: ntuser.h:3
VOID APIENTRY co_IntCallSentMessageCallback(SENDASYNCPROC CompletionCallback, HWND hWnd, UINT Msg, ULONG_PTR CompletionCallbackContext, LRESULT Result)
Definition: callback.c:245
BOOL FASTCALL UserMessageWindowProc(PWND pwnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: desktop.c:1487
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
Definition: ntuser.h:657
#define MSQ_NORMAL
Definition: msgqueue.h:4
static UINT FASTCALL MsgMemorySize(PMSGMEMORY MsgMemoryEntry, WPARAM wParam, LPARAM lParam)
Definition: message.c:164
static VOID FASTCALL IntCallWndProcRet(PWND Window, HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *uResult)
Definition: message.c:597
#define ULONG_PTR
Definition: config.h:101
const TCHAR * CompletionCallback(unsigned __int64 &rnIndex, const BOOL *pblnForward, const TCHAR *pszContext, const TCHAR *pszBegin)
Definition: Completion.cpp:439
LONG_PTR LRESULT
Definition: windef.h:209
#define WNDS_SERVERSIDEWINDOWPROC
Definition: ntuser.h:591
#define WNDS_DESTROYED
Definition: ntuser.h:604
LPARAM lParam
Definition: combotst.c:139
#define TIF_INCLEANUP
Definition: ntuser.h:240
#define RETURN(rrr)
Definition: decompress.c:40
#define END_CLEANUP
Definition: ntuser.h:6

Referenced by co_IntSendMessageNoWait(), and NtUserMessageCall().

◆ co_IntWaitMessage()

BOOL FASTCALL co_IntWaitMessage ( PWND  Window,
UINT  MsgFilterMin,
UINT  MsgFilterMax 
)

Definition at line 969 of file message.c.

972 {
973  PTHREADINFO pti;
975  MSG Msg;
976  LONG_PTR ExtraInfo = 0;
977 
979 
980  do
981  {
982  if ( co_IntPeekMessage( &Msg, // Dont reenter!
983  Window,
984  MsgFilterMin,
985  MsgFilterMax,
986  MAKELONG( PM_NOREMOVE, GetWakeMask( MsgFilterMin, MsgFilterMax)),
987  &ExtraInfo,
988  TRUE ) ) // act like GetMessage.
989  {
990  return TRUE;
991  }
992 
993  /* Nothing found. Wait for new messages. */
995  Window,
996  MsgFilterMin,
997  MsgFilterMax);
998  if (!NT_SUCCESS(Status))
999  {
1001  ERR("Exit co_IntWaitMessage on error!\n");
1002  return FALSE;
1003  }
1005  {
1006  return FALSE;
1007  }
1008  }
1009  while ( TRUE );
1010 
1011  return FALSE;
1012 }
#define TRUE
Definition: types.h:120
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
LONG NTSTATUS
Definition: precomp.h:26
UINT FASTCALL GetWakeMask(UINT first, UINT last)
Definition: message.c:562
NTSTATUS FASTCALL co_MsqWaitForNewMessages(PTHREADINFO pti, PWND WndFilter, UINT MsgFilterMin, UINT MsgFilterMax)
Definition: msgqueue.c:2164
#define PM_NOREMOVE
Definition: winuser.h:1181
#define STATUS_TIMEOUT
Definition: ntstatus.h:81
Definition: window.c:29
struct @1576 Msg[]
#define MAKELONG(a, b)
Definition: typedefs.h:248
BOOL APIENTRY co_IntPeekMessage(PMSG Msg, PWND Window, UINT MsgFilterMin, UINT MsgFilterMax, UINT RemoveMsg, LONG_PTR *ExtraInfo, BOOL bGMSG)
Definition: message.c:806
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
Status
Definition: gdiplustypes.h:24
#define STATUS_USER_APC
Definition: ntstatus.h:78
#define ERR(fmt,...)
Definition: debug.h:109
__int3264 LONG_PTR
Definition: mstsclib_h.h:276
return STATUS_SUCCESS
Definition: btrfs.c:2966

Referenced by MENU_TrackMenu(), NtUserDragDetect(), and NtUserWaitMessage().

◆ CopyMsgToKernelMem()

static NTSTATUS FASTCALL CopyMsgToKernelMem ( MSG KernelModeMsg,
MSG UserModeMsg,
PMSGMEMORY  MsgMemoryEntry 
)
static

Definition at line 418 of file message.c.

419 {
421 
422  PVOID KernelMem;
423  UINT Size;
424 
425  *KernelModeMsg = *UserModeMsg;
426 
427  /* See if this message type is present in the table */
428  if (NULL == MsgMemoryEntry)
429  {
430  /* Not present, no copying needed */
431  return STATUS_SUCCESS;
432  }
433 
434  /* Determine required size */
435  Size = MsgMemorySize(MsgMemoryEntry, UserModeMsg->wParam, UserModeMsg->lParam);
436 
437  if (0 != Size)
438  {
439  /* Allocate kernel mem */
441  if (NULL == KernelMem)
442  {
443  ERR("Not enough memory to copy message to kernel mem\n");
444  return STATUS_NO_MEMORY;
445  }
446  KernelModeMsg->lParam = (LPARAM) KernelMem;
447 
448  /* Copy data if required */
449  if (0 != (MsgMemoryEntry->Flags & MMS_FLAG_READ))
450  {
451  TRACE("Copy Message %u from usermode buffer\n", KernelModeMsg->message);
452  Status = MmCopyFromCaller(KernelMem, (PVOID) UserModeMsg->lParam, Size);
453  if (! NT_SUCCESS(Status))
454  {
455  ERR("Failed to copy message to kernel: invalid usermode lParam buffer\n");
456  ExFreePoolWithTag(KernelMem, TAG_MSG);
457  return Status;
458  }
459  }
460  else
461  {
462  /* Make sure we don't pass any secrets to usermode */
463  RtlZeroMemory(KernelMem, Size);
464  }
465  }
466  else
467  {
468  KernelModeMsg->lParam = 0;
469  }
470 
471  return STATUS_SUCCESS;
472 }
LONG NTSTATUS
Definition: precomp.h:26
#define MmCopyFromCaller
Definition: polytest.cpp:29
smooth NULL
Definition: ftsmooth.c:416
LONG_PTR LPARAM
Definition: windef.h:208
#define TRACE(s)
Definition: solgame.cpp:4
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
IN PVOID IN PVOID IN USHORT IN USHORT Size
Definition: pci.h:359
Status
Definition: gdiplustypes.h:24
#define ERR(fmt,...)
Definition: debug.h:109
#define MMS_FLAG_READ
Definition: message.c:110
#define STATUS_NO_MEMORY
Definition: ntstatus.h:246
unsigned int UINT
Definition: ndis.h:50
static UINT FASTCALL MsgMemorySize(PMSGMEMORY MsgMemoryEntry, WPARAM wParam, LPARAM lParam)
Definition: message.c:164
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
return STATUS_SUCCESS
Definition: btrfs.c:2966
#define TAG_MSG
Definition: tags.h:7

Referenced by co_IntDoSendMessage().

◆ CopyMsgToUserMem()

static NTSTATUS FASTCALL CopyMsgToUserMem ( MSG UserModeMsg,
MSG KernelModeMsg 
)
static

Definition at line 475 of file message.c.

476 {
478  PMSGMEMORY MsgMemoryEntry;
479  UINT Size;
480 
481  /* See if this message type is present in the table */
482  MsgMemoryEntry = FindMsgMemory(UserModeMsg->message);
483  if (NULL == MsgMemoryEntry)
484  {
485  /* Not present, no copying needed */
486  return STATUS_SUCCESS;
487  }
488 
489  /* Determine required size */
490  Size = MsgMemorySize(MsgMemoryEntry, UserModeMsg->wParam, UserModeMsg->lParam);
491 
492  if (0 != Size)
493  {
494  /* Copy data if required */
495  if (0 != (MsgMemoryEntry->Flags & MMS_FLAG_WRITE))
496  {
497  Status = MmCopyToCaller((PVOID) UserModeMsg->lParam, (PVOID) KernelModeMsg->lParam, Size);
498  if (! NT_SUCCESS(Status))
499  {
500  ERR("Failed to copy message from kernel: invalid usermode lParam buffer\n");
501  ExFreePool((PVOID) KernelModeMsg->lParam);
502  return Status;
503  }
504  }
505  ExFreePool((PVOID) KernelModeMsg->lParam);
506  }
507 
508  return STATUS_SUCCESS;
509 }
static PMSGMEMORY FASTCALL FindMsgMemory(UINT Msg)
Definition: message.c:145
LONG NTSTATUS
Definition: precomp.h:26
#define MmCopyToCaller(x, y, z)
Definition: mmcopy.h:19
smooth NULL
Definition: ftsmooth.c:416
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
IN PVOID IN PVOID IN USHORT IN USHORT Size
Definition: pci.h:359
Status
Definition: gdiplustypes.h:24
#define ERR(fmt,...)
Definition: debug.h:109
unsigned int UINT
Definition: ndis.h:50
static UINT FASTCALL MsgMemorySize(PMSGMEMORY MsgMemoryEntry, WPARAM wParam, LPARAM lParam)
Definition: message.c:164
return STATUS_SUCCESS
Definition: btrfs.c:2966
#define MMS_FLAG_WRITE
Definition: message.c:111
#define ExFreePool(addr)
Definition: env_spec_w32.h:352

Referenced by co_IntDoSendMessage().

◆ DBG_DEFAULT_CHANNEL()

DBG_DEFAULT_CHANNEL ( UserMsg  )

◆ FindMsgMemory()

static PMSGMEMORY FASTCALL FindMsgMemory ( UINT  Msg)
static

Definition at line 145 of file message.c.

146 {
147  PMSGMEMORY MsgMemoryEntry;
148 
149  /* See if this message type is present in the table */
150  for (MsgMemoryEntry = g_MsgMemory;
151  MsgMemoryEntry < g_MsgMemory + sizeof(g_MsgMemory) / sizeof(MSGMEMORY);
152  MsgMemoryEntry++)
153  {
154  if (Msg == MsgMemoryEntry->Message)
155  {
156  return MsgMemoryEntry;
157  }
158  }
159 
160  return NULL;
161 }
struct @1576 Msg[]
smooth NULL
Definition: ftsmooth.c:416
static MSGMEMORY g_MsgMemory[]
Definition: message.c:121
UINT Message
Definition: message.c:115

Referenced by co_IntDoSendMessage(), co_IntGetPeekMessage(), co_IntSendMessageTimeoutSingle(), co_IntSendMessageWithCallBack(), CopyMsgToUserMem(), lParamMemorySize(), PackParam(), and UnpackParam().

◆ GetWakeMask()

UINT FASTCALL GetWakeMask ( UINT  first,
UINT  last 
)

Definition at line 562 of file message.c.

563 {
564  UINT mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
565 
566  if (first || last)
567  {
568  if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
569  if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
571  if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
572  if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
573  if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
574  }
575  else mask = QS_ALLINPUT;
576 
577  return mask;
578 }
#define WM_MOUSEFIRST
Definition: winuser.h:1756
#define WM_SYSTIMER
Definition: comctl32.h:111
POINT last
Definition: font.c:46
const GLint * first
Definition: glext.h:5794
#define QS_TIMER
Definition: winuser.h:893
#define WM_KEYFIRST
Definition: winuser.h:1696
GLenum GLint GLuint mask
Definition: glext.h:6028
#define QS_SENDMESSAGE
Definition: winuser.h:892
#define WM_NCMOUSELAST
Definition: msgqueue.h:240
#define WM_NCMOUSEFIRST
Definition: msgqueue.h:239
#define WM_TIMER
Definition: winuser.h:1724
#define WM_MOUSELAST
Definition: winuser.h:1783
#define WM_KEYLAST
Definition: winuser.h:1710
#define WM_PAINT
Definition: winuser.h:1602
#define QS_ALLINPUT
Definition: winuser.h:874
#define QS_POSTMESSAGE
Definition: winuser.h:888
unsigned int UINT
Definition: ndis.h:50
#define QS_PAINT
Definition: winuser.h:887
#define QS_MOUSE
Definition: winuser.h:884
#define QS_KEY
Definition: winuser.h:883

Referenced by co_IntGetPeekMessage(), and co_IntWaitMessage().

◆ handle_internal_events()

static LRESULT handle_internal_events ( PTHREADINFO  pti,
PWND  pWnd,
DWORD  dwQEvent,
LONG_PTR  ExtraInfo,
PMSG  pMsg 
)
static

Definition at line 654 of file message.c.

655 {
656  LRESULT Result = 0;
657 
658  switch(dwQEvent)
659  {
660  case POSTEVENT_NWE:
661  {
662  co_EVENT_CallEvents( pMsg->message, pMsg->hwnd, pMsg->wParam, ExtraInfo);
663  }
664  break;
665  case POSTEVENT_SAW:
666  {
667  //ERR("HIE : SAW : pti 0x%p hWnd 0x%p\n",pti,pMsg->hwnd);
668  IntActivateWindow((PWND)pMsg->wParam, pti, (HANDLE)pMsg->lParam, (DWORD)ExtraInfo);
669  }
670  break;
671  case POSTEVENT_DAW:
672  {
673  //ERR("HIE : DAW : pti 0x%p tid 0x%p hWndPrev 0x%p\n",pti,ExtraInfo,pMsg->hwnd);
674  IntDeactivateWindow(pti, (HANDLE)ExtraInfo);
675  }
676  break;
677  }
678  return Result;
679 }
WPARAM wParam
Definition: winuser.h:3090
LRESULT APIENTRY co_EVENT_CallEvents(DWORD event, HWND hwnd, UINT_PTR idObject, LONG_PTR idChild)
Definition: event.c:151
_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
LPARAM lParam
Definition: winuser.h:3091
VOID FASTCALL IntActivateWindow(PWND Wnd, PTHREADINFO pti, HANDLE tid, DWORD Type)
Definition: focus.c:268
unsigned long DWORD
Definition: ntddk_ex.h:95
#define POSTEVENT_NWE
Definition: msgqueue.h:125
Definition: ntuser.h:657
HWND hwnd
Definition: winuser.h:3088
#define POSTEVENT_DAW
Definition: msgqueue.h:123
BOOL FASTCALL IntDeactivateWindow(PTHREADINFO pti, HANDLE tid)
Definition: focus.c:106
LONG_PTR LRESULT
Definition: windef.h:209
UINT message
Definition: winuser.h:3089
#define POSTEVENT_SAW
Definition: msgqueue.h:124

Referenced by co_IntPeekMessage().

◆ handle_internal_message()

static LRESULT handle_internal_message ( PWND  pWnd,
UINT  msg,
WPARAM  wparam,
LPARAM  lparam 
)
static

Definition at line 613 of file message.c.

614 {
615  LRESULT lRes;
616 // USER_REFERENCE_ENTRY Ref;
617 // PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
618 
619  if (!pWnd || UserIsDesktopWindow(pWnd) || UserIsMessageWindow(pWnd))
620  return 0;
621 
622  TRACE("Internal Event Msg 0x%x hWnd 0x%p\n", msg, pWnd->head.h);
623 
624  switch(msg)
625  {
626  case WM_ASYNC_SHOWWINDOW:
627  return co_WinPosShowWindow( pWnd, wparam );
629  {
630  PWINDOWPOS winpos = (PWINDOWPOS)lparam;
631  if (!winpos) return 0;
632  lRes = co_WinPosSetWindowPos( pWnd,
633  winpos->hwndInsertAfter,
634  winpos->x,
635  winpos->y,
636  winpos->cx,
637  winpos->cy,
638  winpos->flags);
640  return lRes;
641  }
643  {
644  ERR("WM_ASYNC_DESTROYWINDOW\n");
645  if (pWnd->style & WS_CHILD)
647  else
648  co_UserDestroyWindow(pWnd);
649  }
650  }
651  return 0;
652 }
#define TRUE
Definition: types.h:120
LRESULT co_UserFreeWindow(PWND Window, PPROCESSINFO ProcessData, PTHREADINFO ThreadData, BOOLEAN SendMessages)
Definition: window.c:546
#define UserIsDesktopWindow(pWnd)
Definition: desktop.h:220
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
BOOLEAN FASTCALL co_WinPosSetWindowPos(PWND Window, HWND WndInsertAfter, INT x, INT y, INT cx, INT cy, UINT flags)
Definition: winpos.c:1720
HWND hwndInsertAfter
Definition: winuser.h:3563
#define WS_CHILD
Definition: pedump.c:617
BOOLEAN co_UserDestroyWindow(PVOID Object)
Definition: window.c:2644
static UINT WPARAM LPARAM lparam
Definition: combo.c:716
THRDESKHEAD head
Definition: ntuser.h:659
UINT flags
Definition: winuser.h:3568
struct _WINDOWPOS * PWINDOWPOS
BOOLEAN FASTCALL co_WinPosShowWindow(PWND Wnd, INT Cmd)
Definition: winpos.c:2464
#define TRACE(s)
Definition: solgame.cpp:4
#define UserIsMessageWindow(pWnd)
Definition: desktop.h:223
#define ERR(fmt,...)
Definition: debug.h:109
PVOID NTAPI PsGetCurrentProcessWin32Process(VOID)
Definition: process.c:1183
#define USERTAG_SWP
Definition: tags.h:280
#define msg(x)
Definition: auth_time.c:54
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
LONG_PTR LRESULT
Definition: windef.h:209
static UINT WPARAM wparam
Definition: combo.c:716
DWORD style
Definition: ntuser.h:670

Referenced by co_IntSendMessageTimeoutSingle(), and co_IntSendMessageWithCallBack().

◆ IdlePing()

VOID FASTCALL IdlePing ( VOID  )

Definition at line 515 of file message.c.

516 {
518  PTHREADINFO pti;
519 
521 
522  if ( pti )
523  {
524  pti->pClientInfo->cSpins = 0; // Reset spins.
525 
526  if ( pti->pDeskInfo && pti == gptiForeground )
527  {
529  pti->pDeskInfo->fsHooks & HOOKID_TO_FLAG(WH_FOREGROUNDIDLE) )
530  {
532  }
533  }
534  }
535 
536  TRACE("IdlePing ppi %p\n", ppi);
537  if ( ppi && ppi->InputIdleEvent )
538  {
539  TRACE("InputIdleEvent\n");
540  KeSetEvent( ppi->InputIdleEvent, IO_NO_INCREMENT, FALSE);
541  }
542 }
#define HOOKID_TO_FLAG(HookId)
Definition: hook.h:5
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
LONG NTAPI KeSetEvent(IN PKEVENT Event, IN KPRIORITY Increment, IN BOOLEAN Wait)
Definition: eventobj.c:159
#define WH_FOREGROUNDIDLE
Definition: winuser.h:41
PTHREADINFO gptiForeground
Definition: focus.c:14
#define TRACE(s)
Definition: solgame.cpp:4
ULONG fsHooks
Definition: win32.h:116
struct _CLIENTINFO * pClientInfo
Definition: win32.h:93
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
#define HC_ACTION
Definition: winuser.h:48
PVOID NTAPI PsGetCurrentProcessWin32Process(VOID)
Definition: process.c:1183
#define IO_NO_INCREMENT
Definition: iotypes.h:566
struct _DESKTOPINFO * pDeskInfo
Definition: win32.h:92

Referenced by co_IntGetPeekMessage(), and IntMsqSetWakeMask().

◆ IdlePong()

VOID FASTCALL IdlePong ( VOID  )

Definition at line 545 of file message.c.

546 {
548 
549  TRACE("IdlePong ppi %p\n", ppi);
550  if ( ppi && ppi->InputIdleEvent )
551  {
552  KeClearEvent(ppi->InputIdleEvent);
553  }
554 }
#define TRACE(s)
Definition: solgame.cpp:4
PVOID NTAPI PsGetCurrentProcessWin32Process(VOID)
Definition: process.c:1183
VOID NTAPI KeClearEvent(IN PKEVENT Event)
Definition: eventobj.c:22

Referenced by co_IntGetPeekMessage(), co_IntPeekMessage(), and IntMsqClearWakeMask().

◆ IntCallMsgFilter()

BOOL FASTCALL IntCallMsgFilter ( LPMSG  lpmsg,
INT  code 
)

Definition at line 1974 of file message.c.

1975 {
1976  BOOL Ret = FALSE;
1977 
1978  if ( co_HOOK_CallHooks( WH_SYSMSGFILTER, code, 0, (LPARAM)lpmsg))
1979  {
1980  Ret = TRUE;
1981  }
1982  else
1983  {
1984  Ret = co_HOOK_CallHooks( WH_MSGFILTER, code, 0, (LPARAM)lpmsg);
1985  }
1986  return Ret;
1987 }
#define TRUE
Definition: types.h:120
#define WH_MSGFILTER
Definition: winuser.h:29
unsigned int BOOL
Definition: ntddk_ex.h:94
LONG_PTR LPARAM
Definition: windef.h:208
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
#define WH_SYSMSGFILTER
Definition: winuser.h:36

Referenced by DefWndDoSizeMove(), DefWndStartSizeMove(), MENU_TrackMenu(), NC_DoButton(), and NC_HandleNCRButtonDown().

◆ IntCallWndProc()

static VOID FASTCALL IntCallWndProc ( PWND  Window,
HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam 
)
static

Definition at line 581 of file message.c.

582 {
583  BOOL SameThread = FALSE;
584  CWPSTRUCT CWP;
585 
586  if (Window->head.pti == ((PTHREADINFO)PsGetCurrentThreadWin32Thread()))
587  SameThread = TRUE;
588 
589  CWP.hwnd = hWnd;
590  CWP.message = Msg;
591  CWP.wParam = wParam;
592  CWP.lParam = lParam;
593  co_HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, SameThread, (LPARAM)&CWP );
594 }
#define TRUE
Definition: types.h:120
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
HWND hWnd
Definition: settings.c:17
WPARAM wParam
Definition: combotst.c:138
Definition: window.c:29
struct @1576 Msg[]
unsigned int BOOL
Definition: ntddk_ex.h:94
LONG_PTR LPARAM
Definition: windef.h:208
LPARAM lParam
Definition: winuser.h:2999
WPARAM wParam
Definition: winuser.h:3000
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
UINT message
Definition: winuser.h:3001
#define WH_CALLWNDPROC
Definition: winuser.h:34
#define HC_ACTION
Definition: winuser.h:48
LPARAM lParam
Definition: combotst.c:139

Referenced by co_IntSendMessageTimeoutSingle(), and co_IntSendMessageWithCallBack().

◆ IntCallWndProcRet()

static VOID FASTCALL IntCallWndProcRet ( PWND  Window,
HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam,
LRESULT uResult 
)
static

Definition at line 597 of file message.c.

598 {
599  BOOL SameThread = FALSE;
600  CWPRETSTRUCT CWPR;
601 
602  if (Window->head.pti == ((PTHREADINFO)PsGetCurrentThreadWin32Thread()))
603  SameThread = TRUE;
604 
605  CWPR.hwnd = hWnd;
606  CWPR.message = Msg;
607  CWPR.wParam = wParam;
608  CWPR.lParam = lParam;
609  CWPR.lResult = uResult ? (*uResult) : 0;
610  co_HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, SameThread, (LPARAM)&CWPR );
611 }
WPARAM wParam
Definition: winuser.h:2993
#define TRUE
Definition: types.h:120
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
HWND hWnd
Definition: settings.c:17
LPARAM lParam
Definition: winuser.h:2992
WPARAM wParam
Definition: combotst.c:138
Definition: window.c:29
struct @1576 Msg[]
unsigned int BOOL
Definition: ntddk_ex.h:94
LONG_PTR LPARAM
Definition: windef.h:208
#define WH_CALLWNDPROCRET
Definition: winuser.h:42
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
#define HC_ACTION
Definition: winuser.h:48
LRESULT lResult
Definition: winuser.h:2991
LPARAM lParam
Definition: combotst.c:139

Referenced by co_IntSendMessageTimeoutSingle(), and co_IntSendMessageWithCallBack().

◆ IntCleanupMessageImpl()

NTSTATUS FASTCALL IntCleanupMessageImpl ( VOID  )

Definition at line 26 of file message.c.

27 {
28  return STATUS_SUCCESS;
29 }
return STATUS_SUCCESS
Definition: btrfs.c:2966

◆ IntDispatchMessage()

LRESULT FASTCALL IntDispatchMessage ( PMSG  pMsg)

Definition at line 682 of file message.c.

683 {
684  LONG Time;
685  LRESULT retval = 0;
686  PTHREADINFO pti;
687  PWND Window = NULL;
688  BOOL DoCallBack = TRUE;
689 
690  if (pMsg->hwnd)
691  {
693  if (!Window) return 0;
694  }
695 
697 
698  if ( Window && Window->head.pti != pti)
699  {
701  return 0;
702  }
703 
704  if (((pMsg->message == WM_SYSTIMER) ||
705  (pMsg->message == WM_TIMER)) &&
706  (pMsg->lParam) )
707  {
708  if (pMsg->message == WM_TIMER)
709  {
710  if (ValidateTimerCallback(pti,pMsg->lParam))
711  {
713  retval = co_IntCallWindowProc((WNDPROC)pMsg->lParam,
714  TRUE,
715  pMsg->hwnd,
716  WM_TIMER,
717  pMsg->wParam,
718  (LPARAM)Time,
719  -1);
720  }
721  return retval;
722  }
723  else
724  {
725  PTIMER pTimer = FindSystemTimer(pMsg);
726  if (pTimer && pTimer->pfn)
727  {
729  pTimer->pfn(pMsg->hwnd, WM_SYSTIMER, (UINT)pMsg->wParam, Time);
730  }
731  return 0;
732  }
733  }
734  // Need a window!
735  if ( !Window ) return 0;
736 
737  if (pMsg->message == WM_PAINT) Window->state |= WNDS_PAINTNOTPROCESSED;
738 
739  if ( Window->state & WNDS_SERVERSIDEWINDOWPROC )
740  {
741  TRACE("Dispatch: Server Side Window Procedure\n");
742  switch(Window->fnid)
743  {
744  case FNID_DESKTOP:
745  DoCallBack = !DesktopWindowProc( Window,
746  pMsg->message,
747  pMsg->wParam,
748  pMsg->lParam,
749  &retval);
750  break;
751  case FNID_MESSAGEWND:
752  DoCallBack = !UserMessageWindowProc( Window,
753  pMsg->message,
754  pMsg->wParam,
755  pMsg->lParam,
756  &retval);
757  break;
758  case FNID_MENU:
759  DoCallBack = !PopupMenuWndProc( Window,
760  pMsg->message,
761  pMsg->wParam,
762  pMsg->lParam,
763  &retval);
764  break;
765  }
766  }
767 
768  /* Since we are doing a callback on the same thread right away, there is
769  no need to copy the lparam to kernel mode and then back to usermode.
770  We just pretend it isn't a pointer */
771 
772  if (DoCallBack)
773  retval = co_IntCallWindowProc( Window->lpfnWndProc,
774  !Window->Unicode,
775  pMsg->hwnd,
776  pMsg->message,
777  pMsg->wParam,
778  pMsg->lParam,
779  -1);
780 
781  if ( pMsg->message == WM_PAINT &&
782  VerifyWnd(Window) &&
783  Window->state & WNDS_PAINTNOTPROCESSED ) // <--- Cleared, paint was already processed!
784  {
785  Window->state2 &= ~WNDS2_WMPAINTSENT;
786  /* send a WM_ERASEBKGND if the non-client area is still invalid */
787  ERR("Message WM_PAINT count %d Internal Paint Set? %s\n",Window->head.pti->cPaintsReady, Window->state & WNDS_INTERNALPAINT ? "TRUE" : "FALSE");
789  }
790 
791  return retval;
792 }
#define TRUE
Definition: types.h:120
BOOL WINAPI PopupMenuWndProc(PWND Wnd, UINT Message, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: menu.c:4628
#define WM_SYSTIMER
Definition: comctl32.h:111
#define EngGetTickCount32()
Definition: eng.h:43
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define FNID_MENU
Definition: ntuser.h:823
WPARAM wParam
Definition: winuser.h:3090
BOOL FASTCALL DesktopWindowProc(PWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: desktop.c:1401
LRESULT APIENTRY co_IntCallWindowProc(WNDPROC Proc, BOOLEAN IsAnsiProc, HWND Wnd, UINT Message, WPARAM wParam, LPARAM lParam, INT lParamBufferSize)
Definition: callback.c:289
#define FNID_MESSAGEWND
Definition: ntuser.h:826
#define WNDS_PAINTNOTPROCESSED
Definition: ntuser.h:595
Definition: window.c:29
unsigned int BOOL
Definition: ntddk_ex.h:94
long LONG
Definition: pedump.c:60
#define FNID_DESKTOP
Definition: ntuser.h:824
BOOL FASTCALL ValidateTimerCallback(PTHREADINFO pti, LPARAM lParam)
Definition: timer.c:150
Definition: timer.h:3
smooth NULL
Definition: ftsmooth.c:416
LPARAM lParam
Definition: winuser.h:3091
LONG_PTR LPARAM
Definition: windef.h:208
PWND FASTCALL UserGetWindowObject(HWND hWnd)
Definition: window.c:103
PTIMER FASTCALL FindSystemTimer(PMSG pMsg)
Definition: timer.c:126
#define TRACE(s)
Definition: solgame.cpp:4
#define WM_TIMER
Definition: winuser.h:1724
BOOL FASTCALL UserMessageWindowProc(PWND pwnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: desktop.c:1487
#define WM_PAINT
Definition: winuser.h:1602
#define WNDS2_WMPAINTSENT
Definition: ntuser.h:609
LRESULT(CALLBACK * WNDPROC)(HWND, UINT, WPARAM, LPARAM)
Definition: winuser.h:2880
#define ERR(fmt,...)
Definition: debug.h:109
Definition: ntuser.h:657
#define ERROR_MESSAGE_SYNC_ONLY
Definition: winerror.h:681
unsigned int UINT
Definition: ndis.h:50
VOID FASTCALL IntPaintWindow(PWND Window)
Definition: painting.c:1165
#define WNDS_INTERNALPAINT
Definition: ntuser.h:585
HWND hwnd
Definition: winuser.h:3088
TIMERPROC pfn
Definition: timer.h:13
PWND FASTCALL VerifyWnd(PWND pWnd)
Definition: window.c:64
LONG_PTR LRESULT
Definition: windef.h:209
UINT message
Definition: winuser.h:3089
#define WNDS_SERVERSIDEWINDOWPROC
Definition: ntuser.h:591
static PLARGE_INTEGER Time
Definition: time.c:105
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27

Referenced by DefWndDoSizeMove(), DefWndStartSizeMove(), DesktopThreadMain(), MENU_TrackMenu(), and NtUserDispatchMessage().

◆ IntGetQueueStatus()

DWORD APIENTRY IntGetQueueStatus ( DWORD  Changes)

Definition at line 1923 of file message.c.

1924 {
1925  PTHREADINFO pti;
1926  DWORD Result;
1927 
1929 // wine:
1931 
1932  /* High word, types of messages currently in the queue.
1933  Low word, types of messages that have been added to the queue and that
1934  are still in the queue
1935  */
1936  Result = MAKELONG(pti->pcti->fsChangeBits & Changes, pti->pcti->fsWakeBits & Changes);
1937 
1938  pti->pcti->fsChangeBits &= ~Changes;
1939 
1940  return Result;
1941 }
#define QS_ALLPOSTMESSAGE
Definition: winuser.h:876
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
#define QS_SMRESULT
Definition: undocuser.h:93
#define MAKELONG(a, b)
Definition: typedefs.h:248
_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
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90
unsigned long DWORD
Definition: ntddk_ex.h:95
#define QS_ALLINPUT
Definition: winuser.h:874

Referenced by NtUserCallOneParam(), and NtUserGetThreadState().

◆ IntInitMessageImpl()

NTSTATUS FASTCALL IntInitMessageImpl ( VOID  )

Definition at line 20 of file message.c.

21 {
22  return STATUS_SUCCESS;
23 }
return STATUS_SUCCESS
Definition: btrfs.c:2966

◆ IntInitMessagePumpHook()

BOOL APIENTRY IntInitMessagePumpHook ( VOID  )

Definition at line 1944 of file message.c.

1945 {
1947 
1948  if (pti->pcti)
1949  {
1950  pti->pcti->dwcPumpHook++;
1951  return TRUE;
1952  }
1953  return FALSE;
1954 }
#define TRUE
Definition: types.h:120
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90

Referenced by NtUserCallNoParam().

◆ IntSendTo()

PTHREADINFO FASTCALL IntSendTo ( PWND  Window,
PTHREADINFO  ptiCur,
UINT  Msg 
)

Definition at line 1167 of file message.c.

1168 {
1169  if ( ptiCur )
1170  {
1171  if (!Window ||
1172  Window->head.pti == ptiCur )
1173  {
1174  return NULL;
1175  }
1176  }
1177  return Window ? Window->head.pti : NULL;
1178 }
Definition: window.c:29
smooth NULL
Definition: ftsmooth.c:416

Referenced by co_IntDoSendMessage(), co_IntSendMessageTimeoutSingle(), and co_IntSendMessageWithCallBack().

◆ IntUninitMessagePumpHook()

BOOL APIENTRY IntUninitMessagePumpHook ( VOID  )

Definition at line 1957 of file message.c.

1958 {
1960 
1961  if (pti->pcti)
1962  {
1963  if (pti->pcti->dwcPumpHook <= 0)
1964  {
1965  return FALSE;
1966  }
1967  pti->pcti->dwcPumpHook--;
1968  return TRUE;
1969  }
1970  return FALSE;
1971 }
#define TRUE
Definition: types.h:120
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
struct _CLIENTTHREADINFO * pcti
Definition: win32.h:90

Referenced by NtUserCallNoParam().

◆ is_message_broadcastable()

static BOOL is_message_broadcastable ( UINT  msg)
static

Definition at line 556 of file message.c.

557 {
558  return msg < WM_USER || msg >= 0xc000;
559 }

Referenced by co_IntSendMessageTimeout(), and UserPostMessage().

◆ is_pointer_message()

static int is_pointer_message ( UINT  message)
inlinestatic

Definition at line 99 of file message.c.

100 {
101  if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
102  return (message_pointer_flags[message / 32] & SET(message)) != 0;
103 }
Definition: tftpd.h:59
#define SET(msg)
Definition: message.c:35
static const unsigned int message_pointer_flags[]
Definition: message.c:37

Referenced by NtUserMessageCall(), UserPostMessage(), UserPostThreadMessage(), and UserSendNotifyMessage().

◆ lParamMemorySize()

UINT lParamMemorySize ( UINT  Msg,
WPARAM  wParam,
LPARAM  lParam 
)

Definition at line 243 of file message.c.

244 {
245  PMSGMEMORY MsgMemoryEntry = FindMsgMemory(Msg);
246  if(MsgMemoryEntry == NULL) return 0;
247  return MsgMemorySize(MsgMemoryEntry, wParam, lParam);
248 }
static PMSGMEMORY FASTCALL FindMsgMemory(UINT Msg)
Definition: message.c:145
WPARAM wParam
Definition: combotst.c:138
struct @1576 Msg[]
smooth NULL
Definition: ftsmooth.c:416
static UINT FASTCALL MsgMemorySize(PMSGMEMORY MsgMemoryEntry, WPARAM wParam, LPARAM lParam)
Definition: message.c:164
LPARAM lParam
Definition: combotst.c:139

Referenced by co_IntCallHookProc().

◆ MsgMemorySize()

static UINT FASTCALL MsgMemorySize ( PMSGMEMORY  MsgMemoryEntry,
WPARAM  wParam,
LPARAM  lParam 
)
static

Definition at line 164 of file message.c.

165 {
166  CREATESTRUCTW *Cs;
167  PLARGE_STRING WindowName;
168  PUNICODE_STRING ClassName;
169  UINT Size = 0;
170 
171  _SEH2_TRY
172  {
173  if (MMS_SIZE_WPARAM == MsgMemoryEntry->Size)
174  {
175  Size = (UINT)wParam;
176  }
177  else if (MMS_SIZE_WPARAMWCHAR == MsgMemoryEntry->Size)
178  {
179  Size = (UINT) (wParam * sizeof(WCHAR));
180  }
181  else if (MMS_SIZE_LPARAMSZ == MsgMemoryEntry->Size)
182  {
183  // WM_SETTEXT and WM_SETTINGCHANGE can be null!
184  if (!lParam)
185  {
186  TRACE("lParam is NULL!\n");
187  Size = 0;
188  }
189  else
190  Size = (UINT) ((wcslen((PWSTR) lParam) + 1) * sizeof(WCHAR));
191  }
192  else if (MMS_SIZE_SPECIAL == MsgMemoryEntry->Size)
193  {
194  switch(MsgMemoryEntry->Message)
195  {
196  case WM_CREATE:
197  case WM_NCCREATE:
198  Cs = (CREATESTRUCTW *) lParam;
199  WindowName = (PLARGE_STRING) Cs->lpszName;
200  ClassName = (PUNICODE_STRING) Cs->lpszClass;
201  Size = sizeof(CREATESTRUCTW) + WindowName->Length + sizeof(WCHAR);
202  if (IS_ATOM(ClassName->Buffer))
203  {
204  Size += sizeof(WCHAR) + sizeof(ATOM);
205  }
206  else
207  {
208  Size += sizeof(WCHAR) + ClassName->Length + sizeof(WCHAR);
209  }
210  break;
211 
212  case WM_NCCALCSIZE:
213  Size = wParam ? sizeof(NCCALCSIZE_PARAMS) + sizeof(WINDOWPOS) : sizeof(RECT);
214  break;
215 
216  case WM_COPYDATA:
217  {
219  Size = sizeof(COPYDATASTRUCT) + cds->cbData;
220  }
221  break;
222 
223  default:
224  ASSERT(FALSE);
225  Size = 0;
226  break;
227  }
228  }
229  else
230  {
231  Size = MsgMemoryEntry->Size;
232  }
233  }
235  {
236  ERR("Exception caught in MsgMemorySize()! Status: 0x%x\n", _SEH2_GetExceptionCode());
237  Size = 0;
238  }
239  _SEH2_END;
240  return Size;
241 }
ActualNumberDriverObjects * sizeof(PDRIVER_OBJECT)) PDRIVER_OBJECT *DriverObjectList
WORD ATOM
Definition: dimm.idl:113
#define MMS_SIZE_SPECIAL
Definition: message.c:109
uint16_t * PWSTR
Definition: typedefs.h:54
#define WM_NCCALCSIZE
Definition: winuser.h:1667
#define MMS_SIZE_WPARAM
Definition: message.c:106
#define WM_NCCREATE
Definition: winuser.h:1665
WPARAM wParam
Definition: combotst.c:138
_SEH2_TRY
Definition: create.c:4250
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
struct tagCREATESTRUCTW CREATESTRUCTW
#define WM_COPYDATA
Definition: winuser.h:1646
#define TRACE(s)
Definition: solgame.cpp:4
__wchar_t WCHAR
Definition: xmlstorage.h:180
ULONG Length
Definition: ntuser.h:94
#define MMS_SIZE_LPARAMSZ
Definition: message.c:108
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
LPCWSTR lpszName
Definition: winuser.h:2938
UINT Size
Definition: message.c:116
IN PVOID IN PVOID IN USHORT IN USHORT Size
Definition: pci.h:359
#define ERR(fmt,...)
Definition: debug.h:109
_SEH2_END
Definition: create.c:4424
struct tagNCCALCSIZE_PARAMS NCCALCSIZE_PARAMS
#define MMS_SIZE_WPARAMWCHAR
Definition: message.c:107
unsigned int UINT
Definition: ndis.h:50
struct tagCOPYDATASTRUCT COPYDATASTRUCT
#define WM_CREATE
Definition: winuser.h:1590
LPCWSTR lpszClass
Definition: winuser.h:2939
#define IS_ATOM(x)
Definition: class.h:3
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
struct _LARGE_STRING * PLARGE_STRING
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:12
LPARAM lParam
Definition: combotst.c:139
size_t __cdecl wcslen(_In_z_ const wchar_t *_Str)
UINT Message
Definition: message.c:115

Referenced by co_IntSendMessageTimeoutSingle(), co_IntSendMessageWithCallBack(), CopyMsgToKernelMem(), CopyMsgToUserMem(), lParamMemorySize(), and PackParam().

◆ NtUserCallMsgFilter()

BOOL APIENTRY NtUserCallMsgFilter ( LPMSG  lpmsg,
INT  code 
)

Definition at line 2216 of file message.c.

2217 {
2218  BOOL Ret = FALSE;
2219  MSG Msg;
2220 
2221  _SEH2_TRY
2222  {
2223  ProbeForRead(lpmsg, sizeof(MSG), 1);
2224  RtlCopyMemory( &Msg, lpmsg, sizeof(MSG));
2225  }
2227  {
2228  _SEH2_YIELD(return FALSE);
2229  }
2230  _SEH2_END;
2231 
2233 
2235  {
2236  Ret = TRUE;
2237  }
2238  else
2239  {
2240  Ret = co_HOOK_CallHooks( WH_MSGFILTER, code, 0, (LPARAM)&Msg);
2241  }
2242 
2243  UserLeave();
2244 
2245  _SEH2_TRY
2246  {
2247  ProbeForWrite(lpmsg, sizeof(MSG), 1);
2248  RtlCopyMemory(lpmsg, &Msg, sizeof(MSG));
2249  }
2251  {
2252  Ret = FALSE;
2253  }
2254  _SEH2_END;
2255 
2256  return Ret;
2257 }
#define TRUE
Definition: types.h:120
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
#define WH_MSGFILTER
Definition: winuser.h:29
VOID NTAPI ProbeForWrite(IN PVOID Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:143
_SEH2_TRY
Definition: create.c:4250
struct @1576 Msg[]
unsigned int BOOL
Definition: ntddk_ex.h:94
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
LONG_PTR LPARAM
Definition: windef.h:208
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
#define _SEH2_YIELD(STMT_)
Definition: pseh2_64.h:8
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
VOID NTAPI ProbeForRead(IN CONST VOID *Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:102
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
_SEH2_END
Definition: create.c:4424
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
#define WH_SYSMSGFILTER
Definition: winuser.h:36

Referenced by CallMsgFilterA(), and CallMsgFilterW().

◆ NtUserDispatchMessage()

LRESULT APIENTRY NtUserDispatchMessage ( PMSG  UnsafeMsgInfo)

Definition at line 2260 of file message.c.

2261 {
2262  LRESULT Res = 0;
2263  MSG SafeMsg;
2264 
2265  _SEH2_TRY
2266  {
2267  ProbeForRead(UnsafeMsgInfo, sizeof(MSG), 1);
2268  RtlCopyMemory(&SafeMsg, UnsafeMsgInfo, sizeof(MSG));
2269  }
2271  {
2273  _SEH2_YIELD(return FALSE);
2274  }
2275  _SEH2_END;
2276 
2278 
2279  Res = IntDispatchMessage(&SafeMsg);
2280 
2281  UserLeave();
2282  return Res;
2283 }
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
LRESULT FASTCALL IntDispatchMessage(PMSG pMsg)
Definition: message.c:682
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
_SEH2_TRY
Definition: create.c:4250
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
#define _SEH2_YIELD(STMT_)
Definition: pseh2_64.h:8
VOID NTAPI ProbeForRead(IN CONST VOID *Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:102
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
_SEH2_END
Definition: create.c:4424
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:12
LONG_PTR LRESULT
Definition: windef.h:209

Referenced by DispatchMessageA(), and DispatchMessageW().

◆ NtUserDragDetect()

BOOL APIENTRY NtUserDragDetect ( HWND  hWnd,
POINT  pt 
)

Functions

Definition at line 1993 of file message.c.

1996 {
1997  MSG msg;
1998  RECT rect;
1999  ULONG wDragWidth, wDragHeight;
2001 
2002  TRACE("Enter NtUserDragDetect(%p)\n", hWnd);
2004 
2005  wDragWidth = UserGetSystemMetrics(SM_CXDRAG);
2006  wDragHeight= UserGetSystemMetrics(SM_CYDRAG);
2007 
2008  rect.left = pt.x - wDragWidth;
2009  rect.right = pt.x + wDragWidth;
2010 
2011  rect.top = pt.y - wDragHeight;
2012  rect.bottom = pt.y + wDragHeight;
2013 
2015 
2016  for (;;)
2017  {
2021  {
2022  if ( msg.message == WM_LBUTTONUP )
2023  {
2025  RETURN( FALSE);
2026  }
2027  if ( msg.message == WM_MOUSEMOVE )
2028  {
2029  POINT tmp;
2030  tmp.x = (short)LOWORD(msg.lParam);
2031  tmp.y = (short)HIWORD(msg.lParam);
2032  if( !RECTL_bPointInRect( &rect, tmp.x, tmp.y ) )
2033  {
2035  RETURN( TRUE);
2036  }
2037  }
2038  if ( msg.message == WM_KEYDOWN )
2039  {
2040  if ( msg.wParam == VK_ESCAPE )
2041  {
2043  RETURN( TRUE);
2044  }
2045  }
2046  if ( msg.message == WM_QUEUESYNC )
2047  {
2048  co_HOOK_CallHooks( WH_CBT, HCBT_QS, 0, 0 );
2049  }
2050  }
2051  co_IntWaitMessage(NULL, 0, 0);
2052  }
2053  RETURN( FALSE);
2054 
2055 CLEANUP:
2056  TRACE("Leave NtUserDragDetect, ret=%i\n",_ret_);
2057  UserLeave();
2058  END_CLEANUP;
2059 }
#define TRUE
Definition: types.h:120
#define CLEANUP
Definition: ntuser.h:5
#define WM_MOUSEFIRST
Definition: winuser.h:1756
long y
Definition: polytest.cpp:48
long x
Definition: polytest.cpp:48
#define pt(x, y)
Definition: drawing.c:79
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
#define WM_QUEUESYNC
Definition: winuser.h:1621
HWND hWnd
Definition: settings.c:17
#define VK_ESCAPE
Definition: winuser.h:2189
& rect
Definition: startmenu.cpp:1413
BOOL FASTCALL co_IntWaitMessage(PWND Window, UINT MsgFilterMin, UINT MsgFilterMax)
Definition: message.c:969
unsigned short(__cdecl typeof(TIFFCurrentDirectory))(struct tiff *)
Definition: typeof.h:93
#define WM_KEYFIRST
Definition: winuser.h:1696
unsigned int BOOL
Definition: ntddk_ex.h:94
smooth NULL
Definition: ftsmooth.c:416
#define WM_KEYDOWN
Definition: winuser.h:1697
#define SM_CXDRAG
Definition: winuser.h:1018
#define WH_CBT
Definition: winuser.h:35
LONG NTAPI UserGetSystemMetrics(ULONG Index)
Definition: metric.c:180
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
#define TRACE(s)
Definition: solgame.cpp:4
HWND FASTCALL co_UserSetCapture(HWND hWnd)
Definition: focus.c:1340
#define WM_MOUSELAST
Definition: winuser.h:1783
#define DECLARE_RETURN(type)
Definition: ntuser.h:3
#define WM_KEYLAST
Definition: winuser.h:1710
#define HCBT_QS
Definition: winuser.h:57
LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
Definition: hook.c:1103
FORCEINLINE BOOL RECTL_bPointInRect(_In_ const RECTL *prcl, _In_ INT x, _In_ INT y)
Definition: rect.h:52
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
BOOL APIENTRY co_IntGetPeekMessage(PMSG pMsg, HWND hWnd, UINT MsgFilterMin, UINT MsgFilterMax, UINT RemoveMsg, BOOL bGMSG)
Definition: message.c:1015
#define WM_LBUTTONUP
Definition: winuser.h:1759
#define WM_MOUSEMOVE
Definition: winuser.h:1757
#define msg(x)
Definition: auth_time.c:54
#define HIWORD(l)
Definition: typedefs.h:246
unsigned int ULONG
Definition: retypes.h:1
#define SM_CYDRAG
Definition: winuser.h:1019
#define PM_REMOVE
Definition: winuser.h:1182
#define LOWORD(l)
Definition: pedump.c:82
#define RETURN(rrr)
Definition: decompress.c:40
#define END_CLEANUP
Definition: ntuser.h:6

Referenced by DragDetect().

◆ NtUserGetMessage()

BOOL APIENTRY NtUserGetMessage ( PMSG  pMsg,
HWND  hWnd,
UINT  MsgFilterMin,
UINT  MsgFilterMax 
)

Definition at line 2130 of file message.c.

2134 {
2135  MSG Msg;
2136  BOOL Ret;
2137 
2138  if ( (MsgFilterMin|MsgFilterMax) & ~WM_MAXIMUM )
2139  {
2141  return FALSE;
2142  }
2143 
2145 
2146  RtlZeroMemory(&Msg, sizeof(MSG));
2147 
2148  Ret = co_IntGetPeekMessage(&Msg, hWnd, MsgFilterMin, MsgFilterMax, PM_REMOVE, TRUE);
2149 
2150  UserLeave();
2151 
2152  if (Ret)
2153  {
2154  _SEH2_TRY
2155  {
2156  ProbeForWrite(pMsg, sizeof(MSG), 1);
2157  RtlCopyMemory(pMsg, &Msg, sizeof(MSG));
2158  }
2160  {
2162  Ret = FALSE;
2163  }
2164  _SEH2_END;
2165  }
2166 
2167  if ((INT)Ret != -1)
2168  Ret = Ret ? (WM_QUIT != pMsg->message) : FALSE;
2169 
2170  return Ret;
2171 }
#define ERROR_INVALID_PARAMETER
Definition: compat.h:91
#define TRUE
Definition: types.h:120
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
HWND hWnd
Definition: settings.c:17
#define WM_QUIT
Definition: winuser.h:1605
int32_t INT
Definition: typedefs.h:56
VOID NTAPI ProbeForWrite(IN PVOID Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:143
_SEH2_TRY
Definition: create.c:4250
struct @1576 Msg[]
unsigned int BOOL
Definition: ntddk_ex.h:94
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
#define WM_MAXIMUM
Definition: undocuser.h:62
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
_SEH2_END
Definition: create.c:4424
BOOL APIENTRY co_IntGetPeekMessage(PMSG pMsg, HWND hWnd, UINT MsgFilterMin, UINT MsgFilterMax, UINT RemoveMsg, BOOL bGMSG)
Definition: message.c:1015
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
#define PM_REMOVE
Definition: winuser.h:1182
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:12
UINT message
Definition: winuser.h:3089
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27

Referenced by GetMessageA(), and GetMessageW().

◆ NtUserMessageCall()

BOOL APIENTRY NtUserMessageCall ( HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam,
ULONG_PTR  ResultInfo,
DWORD  dwType,
BOOL  Ansi 
)

Definition at line 2323 of file message.c.

2330 {
2331  LRESULT lResult = 0;
2332  BOOL Ret = FALSE;
2333  PWND Window = NULL;
2335 
2337 
2338  switch(dwType)
2339  {
2340  case FNID_SCROLLBAR:
2341  {
2342  lResult = ScrollBarWndProc(hWnd, Msg, wParam, lParam);
2343  break;
2344  }
2345  case FNID_DESKTOP:
2346  {
2348  if (Window)
2349  {
2350  //ERR("FNID_DESKTOP IN\n");
2351  Ret = DesktopWindowProc(Window, Msg, wParam, lParam, &lResult);
2352  //ERR("FNID_DESKTOP OUT\n");
2353  }
2354  break;
2355  }
2356  case FNID_MENU:
2357  {
2359  if (Window)
2360  {
2361  Ret = PopupMenuWndProc( Window, Msg, wParam, lParam, &lResult);
2362  }
2363  break;
2364  }
2365  case FNID_MESSAGEWND:
2366  {
2368  if (Window)
2369  {
2370  Ret = !UserMessageWindowProc(Window, Msg, wParam, lParam, &lResult);
2371  }
2372  break;
2373  }
2374  case FNID_DEFWINDOWPROC:
2375  /* Validate input */
2376  if (hWnd)
2377  {
2379  if (!Window)
2380  {
2381  UserLeave();
2382  return FALSE;
2383  }
2384  UserRefObjectCo(Window, &Ref);
2385  }
2386  lResult = IntDefWindowProc(Window, Msg, wParam, lParam, Ansi);
2387  Ret = TRUE;
2388  if (hWnd)
2390  break;
2393  break;
2395  {
2396  BROADCASTPARM parm, *retparam;
2397  DWORD_PTR RetVal = 0;
2398 
2399  if (ResultInfo)
2400  {
2401  _SEH2_TRY
2402  {
2403  ProbeForWrite((PVOID)ResultInfo, sizeof(BROADCASTPARM), 1);
2404  RtlCopyMemory(&parm, (PVOID)ResultInfo, sizeof(BROADCASTPARM));
2405  }
2407  {
2408  _SEH2_YIELD(break);
2409  }
2410  _SEH2_END;
2411  }
2412  else
2413  break;
2414 
2415  if ( parm.recipients & BSM_ALLDESKTOPS ||
2416  parm.recipients == BSM_ALLCOMPONENTS )
2417  {
2418  PLIST_ENTRY DesktopEntry;
2419  PDESKTOP rpdesk;
2420  HWND *List, hwndDenied = NULL;
2421  HDESK hDesk = NULL;
2422  PWND pwnd, pwndDesk;
2423  ULONG i;
2424  UINT fuFlags;
2425 
2426  for (DesktopEntry = InputWindowStation->DesktopListHead.Flink;
2427  DesktopEntry != &InputWindowStation->DesktopListHead;
2428  DesktopEntry = DesktopEntry->Flink)
2429  {
2430  rpdesk = CONTAINING_RECORD(DesktopEntry, DESKTOP, ListEntry);
2431  pwndDesk = rpdesk->pDeskInfo->spwnd;
2432  List = IntWinListChildren(pwndDesk);
2433 
2434  if (parm.flags & BSF_QUERY)
2435  {
2436  if (List != NULL)
2437  {
2438  if (parm.flags & BSF_FORCEIFHUNG || parm.flags & BSF_NOHANG)
2439  {
2440  fuFlags = SMTO_ABORTIFHUNG;
2441  }
2442  else if (parm.flags & BSF_NOTIMEOUTIFNOTHUNG)
2443  {
2444  fuFlags = SMTO_NOTIMEOUTIFNOTHUNG;
2445  }
2446  else
2447  {
2448  fuFlags = SMTO_NORMAL;
2449  }
2451  Msg,
2452  wParam,
2453  lParam,
2454  fuFlags,
2455  2000,
2456  &RetVal);
2457  Ret = TRUE;
2458  for (i = 0; List[i]; i++)
2459  {
2460  pwnd = UserGetWindowObject(List[i]);
2461  if (!pwnd) continue;
2462 
2463  if ( pwnd->fnid == FNID_MENU ||
2465  continue;
2466 
2467  if ( parm.flags & BSF_IGNORECURRENTTASK )
2468  {
2469  if ( pwnd->head.pti == gptiCurrent )
2470  continue;
2471  }
2473  Msg,
2474  wParam,
2475  lParam,
2476  fuFlags,
2477  2000,
2478  &RetVal);
2479 
2480  if (!RetVal && EngGetLastError() == ERROR_TIMEOUT)
2481  {
2482  if (!(parm.flags & BSF_FORCEIFHUNG))
2483  Ret = FALSE;
2484  }
2485  if (RetVal == BROADCAST_QUERY_DENY)
2486  {
2487  hwndDenied = List[i];
2488  hDesk = UserHMGetHandle(pwndDesk);
2489  Ret = FALSE;
2490  }
2491  }
2493  _SEH2_TRY
2494  {
2495  retparam = (PBROADCASTPARM) ResultInfo;
2496  retparam->hDesk = hDesk;
2497  retparam->hWnd = hwndDenied;
2498  }
2500  {
2501  _SEH2_YIELD(break);
2502  }
2503  _SEH2_END;
2504  if (!Ret) break; // Have a hit! Let everyone know!
2505  }
2506  }
2507  else if (parm.flags & BSF_POSTMESSAGE)
2508  {
2509  if (List != NULL)
2510  {
2512 
2513  for (i = 0; List[i]; i++)
2514  {
2515  pwnd = UserGetWindowObject(List[i]);
2516  if (!pwnd) continue;
2517 
2518  if ( pwnd->fnid == FNID_MENU ||
2520  continue;
2521 
2522  if ( parm.flags & BSF_IGNORECURRENTTASK )
2523  {
2524  if ( pwnd->head.pti == gptiCurrent )
2525  continue;
2526  }
2528  }
2530  }
2531  Ret = TRUE;
2532  }
2533  else
2534  {
2535  if (List != NULL)
2536  {
2538 
2539  for (i = 0; List[i]; i++)
2540  {
2541  pwnd = UserGetWindowObject(List[i]);
2542  if (!pwnd) continue;
2543 
2544  if ( pwnd->fnid == FNID_MENU ||
2546  continue;
2547 
2548  if ( parm.flags & BSF_IGNORECURRENTTASK )
2549  {
2550  if ( pwnd->head.pti == gptiCurrent )
2551  continue;
2552  }
2554  }
2556  }
2557  Ret = TRUE;
2558  }
2559  }
2560  }
2561  else if (parm.recipients & BSM_APPLICATIONS)
2562  {
2563  HWND *List, hwndDenied = NULL;
2564  HDESK hDesk = NULL;
2565  PWND pwnd, pwndDesk;
2566  ULONG i;
2567  UINT fuFlags;
2568 
2569  pwndDesk = UserGetDesktopWindow();
2570  List = IntWinListChildren(pwndDesk);
2571 
2572  if (parm.flags & BSF_QUERY)
2573  {
2574  if (List != NULL)
2575  {
2576  if (parm.flags & BSF_FORCEIFHUNG || parm.flags & BSF_NOHANG)
2577  {
2578  fuFlags = SMTO_ABORTIFHUNG;
2579  }
2580  else if (parm.flags & BSF_NOTIMEOUTIFNOTHUNG)
2581  {
2582  fuFlags = SMTO_NOTIMEOUTIFNOTHUNG;
2583  }
2584  else
2585  {
2586  fuFlags = SMTO_NORMAL;
2587  }
2589  Msg,
2590  wParam,
2591  lParam,
2592  fuFlags,
2593  2000,
2594  &RetVal);
2595  Ret = TRUE;
2596  for (i = 0; List[i]; i++)
2597  {
2598  pwnd = UserGetWindowObject(List[i]);
2599  if (!pwnd) continue;
2600 
2601  if ( pwnd->fnid == FNID_MENU ||
2603  continue;
2604 
2605  if ( parm.flags & BSF_IGNORECURRENTTASK )
2606  {
2607  if ( pwnd->head.pti == gptiCurrent )
2608  continue;
2609  }
2611  Msg,
2612  wParam,
2613  lParam,
2614  fuFlags,
2615  2000,
2616  &RetVal);
2617 
2618  if (!RetVal && EngGetLastError() == ERROR_TIMEOUT)
2619  {
2620  if (!(parm.flags & BSF_FORCEIFHUNG))
2621  Ret = FALSE;
2622  }
2623  if (RetVal == BROADCAST_QUERY_DENY)
2624  {
2625  hwndDenied = List[i];
2626  hDesk = UserHMGetHandle(pwndDesk);
2627  Ret = FALSE;
2628  }
2629  }
2631  _SEH2_TRY
2632  {
2633  retparam = (PBROADCASTPARM) ResultInfo;
2634  retparam->hDesk = hDesk;
2635  retparam->hWnd = hwndDenied;
2636  }
2638  {
2639  _SEH2_YIELD(break);
2640  }
2641  _SEH2_END;
2642  }
2643  }
2644  else if (parm.flags & BSF_POSTMESSAGE)
2645  {
2646  if (List != NULL)
2647  {
2649 
2650  for (i = 0; List[i]; i++)
2651  {
2652  pwnd = UserGetWindowObject(List[i]);
2653  if (!pwnd) continue;
2654 
2655  if ( pwnd->fnid == FNID_MENU ||
2657  continue;
2658 
2659  if ( parm.flags & BSF_IGNORECURRENTTASK )
2660  {
2661  if ( pwnd->head.pti == gptiCurrent )
2662  continue;
2663  }
2665  }
2667  }
2668  Ret = TRUE;
2669  }
2670  else
2671  {
2672  if (List != NULL)
2673  {
2675 
2676  for (i = 0; List[i]; i++)
2677  {
2678  pwnd = UserGetWindowObject(List[i]);
2679  if (!pwnd) continue;
2680 
2681  if ( pwnd->fnid == FNID_MENU ||
2683  continue;
2684 
2685  if ( parm.flags & BSF_IGNORECURRENTTASK )
2686  {
2687  if ( pwnd->head.pti == gptiCurrent )
2688  continue;
2689  }
2691  }
2693  }
2694  Ret = TRUE;
2695  }
2696  }
2697  }
2698  break;
2700  {
2701  CALL_BACK_INFO CallBackInfo;
2702  ULONG_PTR uResult;
2703 
2704  _SEH2_TRY
2705  {
2706  ProbeForRead((PVOID)ResultInfo, sizeof(CALL_BACK_INFO), 1);
2707  RtlCopyMemory(&CallBackInfo, (PVOID)ResultInfo, sizeof(CALL_BACK_INFO));
2708  }
2710  {
2711  _SEH2_YIELD(break);
2712  }
2713  _SEH2_END;
2714 
2715  if (is_pointer_message(Msg))
2716  {
2718  break;
2719  }
2720 
2722  CallBackInfo.CallBack, CallBackInfo.Context, &uResult)))
2723  {
2724  ERR("Callback failure!\n");
2725  }
2726  }
2727  break;
2728  case FNID_SENDMESSAGE:
2729  {
2730  lResult = co_IntDoSendMessage(hWnd, Msg, wParam, lParam, 0);
2731  Ret = TRUE;
2732 
2733  if (ResultInfo)
2734  {
2735  _SEH2_TRY
2736  {
2737  ProbeForWrite((PVOID)ResultInfo, sizeof(ULONG_PTR), 1);
2738  RtlCopyMemory((PVOID)ResultInfo, &lResult, sizeof(ULONG_PTR));
2739  }
2741  {
2742  Ret = FALSE;
2743  _SEH2_YIELD(break);
2744  }
2745  _SEH2_END;
2746  }
2747  break;
2748  }
2749  case FNID_SENDMESSAGEFF:
2751  {
2752  DOSENDMESSAGE dsm, *pdsm = (PDOSENDMESSAGE)ResultInfo;
2753  if (ResultInfo)
2754  {
2755  _SEH2_TRY
2756  {
2757  ProbeForRead(pdsm, sizeof(DOSENDMESSAGE), 1);
2758  RtlCopyMemory(&dsm, pdsm, sizeof(DOSENDMESSAGE));
2759  }
2761  {
2762  _SEH2_YIELD(break);
2763  }
2764  _SEH2_END;
2765  }
2766 
2767  Ret = co_IntDoSendMessage( hWnd, Msg, wParam, lParam, pdsm ? &dsm : NULL );
2768 
2769  if (pdsm)
2770  {
2771  _SEH2_TRY
2772  {
2773  ProbeForWrite(pdsm, sizeof(DOSENDMESSAGE), 1);
2774  RtlCopyMemory(pdsm, &dsm, sizeof(DOSENDMESSAGE));
2775  }
2777  {
2778  Ret = FALSE;
2779  _SEH2_YIELD(break);
2780  }
2781  _SEH2_END;
2782  }
2783  break;
2784  }
2785  // CallNextHook bypass.
2786  case FNID_CALLWNDPROC:
2787  case FNID_CALLWNDPROCRET:
2788  {
2789  PTHREADINFO pti;
2791  PHOOK NextObj, Hook;
2792 
2793  pti = GetW32ThreadInfo();
2794 
2795  Hook = pti->sphkCurrent;
2796 
2797  if (!Hook) break;
2798 
2799  NextObj = Hook->phkNext;
2800  ClientInfo = pti->pClientInfo;
2801  _SEH2_TRY
2802  {
2803  ClientInfo->phkCurrent = NextObj;
2804  }
2806  {
2807  ClientInfo = NULL;
2808  }
2809  _SEH2_END;
2810 
2811  if (!ClientInfo || !NextObj) break;
2812 
2813  NextObj->phkNext = IntGetNextHook(NextObj);
2814 
2815  if ( Hook->HookId == WH_CALLWNDPROC)
2816  {
2817  CWPSTRUCT CWP;
2818  CWP.hwnd = hWnd;
2819  CWP.message = Msg;
2820  CWP.wParam = wParam;
2821  CWP.lParam = lParam;
2822  TRACE("WH_CALLWNDPROC: Hook %p NextHook %p\n", Hook, NextObj);
2823 
2824  lResult = co_IntCallHookProc( Hook->HookId,
2825  HC_ACTION,
2826  ((ClientInfo->CI_flags & CI_CURTHPRHOOK) ? 1 : 0),
2827  (LPARAM)&CWP,
2828  Hook->Proc,
2829  Hook->ihmod,
2830  Hook->offPfn,
2831  Hook->Ansi,
2832  &Hook->ModuleName);
2833  }
2834  else
2835  {
2836  CWPRETSTRUCT CWPR;
2837  CWPR.hwnd = hWnd;
2838  CWPR.message = Msg;
2839  CWPR.wParam = wParam;
2840  CWPR.lParam = lParam;
2841  CWPR.lResult = ClientInfo->dwHookData;
2842 
2843  lResult = co_IntCallHookProc( Hook->HookId,
2844  HC_ACTION,
2845  ((ClientInfo->CI_flags & CI_CURTHPRHOOK) ? 1 : 0),
2846  (LPARAM)&CWPR,
2847  Hook->Proc,
2848  Hook->ihmod,
2849  Hook->offPfn,
2850  Hook->Ansi,
2851  &Hook->ModuleName);
2852  }
2853  }
2854  break;
2855  }
2856 
2857  switch(dwType)
2858  {
2859  case FNID_DEFWINDOWPROC:
2860  case FNID_CALLWNDPROC:
2861  case FNID_CALLWNDPROCRET:
2862  case FNID_SCROLLBAR:
2863  case FNID_DESKTOP:
2864  case FNID_MENU:
2865  if (ResultInfo)
2866  {
2867  _SEH2_TRY
2868  {
2869  ProbeForWrite((PVOID)ResultInfo, sizeof(LRESULT), 1);
2870  RtlCopyMemory((PVOID)ResultInfo, &lResult, sizeof(LRESULT));
2871  }
2873  {
2874  Ret = FALSE;
2875  }
2876  _SEH2_END;
2877  }
2878  break;
2879  default:
2880  break;
2881  }
2882 
2883  UserLeave();
2884 
2885  return Ret;
2886 }
LRESULT FASTCALL IntDefWindowProc(PWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam, BOOL Ansi)
Definition: defwnd.c:532
#define BSM_ALLCOMPONENTS
Definition: dbt.h:47
BOOL FASTCALL UserPostMessage(HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1181
#define BSF_FORCEIFHUNG
Definition: dbt.h:54
WPARAM wParam
Definition: winuser.h:2993
#define TRUE
Definition: types.h:120
ENGAPI ULONG APIENTRY EngGetLastError(VOID)
Definition: error.c:12
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
BOOL WINAPI PopupMenuWndProc(PWND Wnd, UINT Message, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: menu.c:4628
PDESKTOPINFO pDeskInfo
Definition: desktop.h:8
#define BSF_IGNORECURRENTTASK
Definition: dbt.h:55
#define BROADCAST_QUERY_DENY
Definition: winuser.h:178
PHOOK FASTCALL IntGetNextHook(PHOOK Hook)
Definition: hook.c:996
#define ERROR_TIMEOUT
Definition: winerror.h:941
PWINSTATION_OBJECT InputWindowStation
Definition: winsta.c:21
HDESK hDesk
Definition: ntuser.h:1063
DWORD recipients
Definition: ntuser.h:1062
#define FNID_MENU
Definition: ntuser.h:823
struct tagHOOK * phkNext
Definition: ntuser.h:218
BOOL FASTCALL UserSendNotifyMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1874
#define BSF_NOTIMEOUTIFNOTHUNG
Definition: dbt.h:57
#define BSF_QUERY
Definition: dbt.h:59
HWND hWnd
Definition: settings.c:17
static __inline VOID UserRefObjectCo(PVOID obj, PUSER_REFERENCE_ENTRY UserReferenceEntry)
Definition: object.h:25
#define FNID_DEFWINDOWPROC
Definition: ntuser.h:825
LPARAM lParam
Definition: winuser.h:2992
LIST_ENTRY DesktopListHead
Definition: winsta.h:18
BOOL FASTCALL DesktopWindowProc(PWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: desktop.c:1401
#define BSF_NOHANG
Definition: dbt.h:56
#define BSF_POSTMESSAGE
Definition: dbt.h:58
RTL_ATOM atomClassName
Definition: ntuser.h:536
PSERVERINFO gpsi
Definition: main.c:27
VOID NTAPI ProbeForWrite(IN PVOID Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:143
WPARAM wParam
Definition: combotst.c:138
#define SMTO_ABORTIFHUNG
Definition: winuser.h:1209
#define SMTO_NORMAL
Definition: winuser.h:1211
_SEH2_TRY
Definition: create.c:4250
#define FNID_MESSAGEWND
Definition: ntuser.h:826
struct _THREADINFO * GetW32ThreadInfo(VOID)
Definition: misc.c:781
uint32_t ULONG_PTR
Definition: typedefs.h:63
CLIENT_DATA ClientInfo
Definition: window.c:29
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
struct @1576 Msg[]
struct _BROADCASTPARM * PBROADCASTPARM
DWORD fnid
Definition: ntuser.h:673
unsigned int BOOL
Definition: ntddk_ex.h:94
#define FNID_DESKTOP
Definition: ntuser.h:824
static __inline VOID UserDerefObjectCo(PVOID obj)
Definition: object.h:38
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
THRDESKHEAD head
Definition: ntuser.h:659
Definition: object.h:3
static LRESULT FASTCALL co_IntDoSendMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, PDOSENDMESSAGE dsm)
Definition: message.c:1788
smooth NULL
Definition: ftsmooth.c:416
LONG_PTR LPARAM
Definition: windef.h:208
PTHREADINFO gptiCurrent
Definition: ntuser.c:15
PWND FASTCALL UserGetWindowObject(HWND hWnd)
Definition: window.c:103
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 FNID_SENDMESSAGE
Definition: ntuser.h:844
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
#define UserHMGetHandle(obj)
Definition: ntuser.h:208
#define FNID_CALLWNDPROCRET
Definition: ntuser.h:839
LRESULT APIENTRY co_IntCallHookProc(INT HookId, INT Code, WPARAM wParam, LPARAM lParam, HOOKPROC Proc, INT Mod, ULONG_PTR offPfn, BOOLEAN Ansi, PUNICODE_STRING ModuleName)
Definition: callback.c:513
int HookId
Definition: ntuser.h:219
struct _LIST_ENTRY * Flink
Definition: typedefs.h:119
#define FNID_SENDMESSAGEFF
Definition: ntuser.h:845
#define TRACE(s)
Definition: solgame.cpp:4
SENDASYNCPROC CallBack
Definition: callback.h:48
BOOLEAN Ansi
Definition: ntuser.h:228
INT_PTR ihmod
Definition: ntuser.h:222
#define _SEH2_YIELD(STMT_)
Definition: pseh2_64.h:8
UNICODE_STRING ModuleName
Definition: ntuser.h:229
LIST_ENTRY List
Definition: psmgr.c:57
LRESULT FASTCALL co_IntSendMessageTimeout(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, UINT uFlags, UINT uTimeout, ULONG_PTR *uResult)
Definition: message.c:1491
LPARAM lParam
Definition: winuser.h:2999
#define FNID_SENDMESSAGECALLBACK
Definition: ntuser.h:852
HOOKPROC Proc
Definition: ntuser.h:227
WPARAM wParam
Definition: winuser.h:3000
#define ICLS_SWITCH
Definition: ntuser.h:893
struct _CLIENTINFO * pClientInfo
Definition: win32.h:93
BOOL FASTCALL UserMessageWindowProc(PWND pwnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
Definition: desktop.c:1487
PWND FASTCALL UserGetDesktopWindow(VOID)
Definition: desktop.c:1349
#define FNID_SENDNOTIFYMESSAGE
Definition: ntuser.h:851
UINT message
Definition: winuser.h:3001
VOID NTAPI ProbeForRead(IN CONST VOID *Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:102
DWORD flags
Definition: ntuser.h:1061
#define WH_CALLWNDPROC
Definition: winuser.h:34
#define CI_CURTHPRHOOK
Definition: ntuser.h:281
HWND *FASTCALL IntWinListChildren(PWND Window)
Definition: window.c:255
struct _WND * spwnd
Definition: ntuser.h:136
Definition: typedefs.h:117
struct tagHOOK * sphkCurrent
Definition: win32.h:117
uint32_t DWORD_PTR
Definition: typedefs.h:63
struct tagDOSENDMESSAGE * PDOSENDMESSAGE
#define FNID_CALLWNDPROC
Definition: ntuser.h:838
LRESULT APIENTRY ScrollBarWndProc(HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: scrollbar.c:1147
#define ERR(fmt,...)
Definition: debug.h:109
Definition: ntuser.h:657
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
#define FNID_BROADCASTSYSTEMMESSAGE
Definition: ntuser.h:849
_SEH2_END
Definition: create.c:4424
static int is_pointer_message(UINT message)
Definition: message.c:99
#define FNID_SCROLLBAR
Definition: ntuser.h:821
#define HC_ACTION
Definition: winuser.h:48
#define ERROR_MESSAGE_SYNC_ONLY
Definition: winerror.h:681
unsigned int UINT
Definition: ndis.h:50
#define BSM_ALLDESKTOPS
Definition: dbt.h:49
ULONG_PTR Context
Definition: callback.h:49
unsigned int ULONG
Definition: retypes.h:1
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
#define USERTAG_WINDOWLIST
Definition: tags.h:297
LONG_PTR LRESULT
Definition: windef.h:209
LRESULT lResult
Definition: winuser.h:2991
LPARAM lParam
Definition: combotst.c:139
#define BSM_APPLICATIONS
Definition: dbt.h:48
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27
#define FNID_SENDMESSAGEWTOOPTION
Definition: ntuser.h:847
ATOM atomSysClass[ICLS_NOTUSED+1]
Definition: ntuser.h:1013
LRESULT FASTCALL co_IntSendMessageWithCallBack(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, SENDASYNCPROC CompletionCallback, ULONG_PTR CompletionCallbackContext, ULONG_PTR *uResult)
Definition: message.c:1569
ULONG_PTR offPfn
Definition: ntuser.h:220
PCLS pcls
Definition: ntuser.h:684

Referenced by CallNextHookEx(), DefWndHandleSysCommand(), DesktopWndProcW(), IntBroadcastSystemMessage(), IntScrollCreateScrollBar(), MenuWindowProcA(), MenuWindowProcW(), PopupMenuWndProcW(), SendMessageA(), SendMessageCallbackA(), SendMessageCallbackW(), SendMessageTimeoutA(), SendMessageTimeoutW(), SendMessageW(), SendNotifyMessageW(), and User32DefWindowProc().

◆ NtUserPeekMessage()

BOOL APIENTRY NtUserPeekMessage ( PMSG  pMsg,
HWND  hWnd,
UINT  MsgFilterMin,
UINT  MsgFilterMax,
UINT  RemoveMsg 
)

Definition at line 2174 of file message.c.

2179 {
2180  MSG Msg;
2181  BOOL Ret;
2182 
2183  if ( RemoveMsg & PM_BADMSGFLAGS )
2184  {
2186  return FALSE;
2187  }
2188 
2190 
2191  RtlZeroMemory(&Msg, sizeof(MSG));
2192 
2193  Ret = co_IntGetPeekMessage(&Msg, hWnd, MsgFilterMin, MsgFilterMax, RemoveMsg, FALSE);
2194 
2195  UserLeave();
2196 
2197  if (Ret)
2198  {
2199  _SEH2_TRY
2200  {
2201  ProbeForWrite(pMsg, sizeof(MSG), 1);
2202  RtlCopyMemory(pMsg, &Msg, sizeof(MSG));
2203  }
2205  {
2207  Ret = FALSE;
2208  }
2209  _SEH2_END;
2210  }
2211 
2212  return Ret;
2213 }
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
HWND hWnd
Definition: settings.c:17
VOID NTAPI ProbeForWrite(IN PVOID Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:143
_SEH2_TRY
Definition: create.c:4250
struct @1576 Msg[]
unsigned int BOOL
Definition: ntddk_ex.h:94
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
_SEH2_END
Definition: create.c:4424
BOOL APIENTRY co_IntGetPeekMessage(PMSG pMsg, HWND hWnd, UINT MsgFilterMin, UINT MsgFilterMax, UINT RemoveMsg, BOOL bGMSG)
Definition: message.c:1015
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:12
#define ERROR_INVALID_FLAGS
Definition: winerror.h:583
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27
#define PM_BADMSGFLAGS
Definition: message.c:15

Referenced by PeekMessageWorker().

◆ NtUserPostMessage()

BOOL APIENTRY NtUserPostMessage ( HWND  hWnd,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam 
)

Definition at line 2062 of file message.c.

2066 {
2067  BOOL ret;
2068 
2070 
2072 
2073  UserLeave();
2074 
2075  return ret;
2076 }
BOOL FASTCALL UserPostMessage(HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1181
HWND hWnd
Definition: settings.c:17
WPARAM wParam
Definition: combotst.c:138
struct @1576 Msg[]
unsigned int BOOL
Definition: ntddk_ex.h:94
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
int ret
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
LPARAM lParam
Definition: combotst.c:139

Referenced by PostMessageA(), and PostMessageW().

◆ NtUserPostThreadMessage()

BOOL APIENTRY NtUserPostThreadMessage ( DWORD  idThread,
UINT  Msg,
WPARAM  wParam,
LPARAM  lParam 
)

Definition at line 2079 of file message.c.

2083 {
2084  BOOL ret = FALSE;
2085  PETHREAD peThread;
2086  PTHREADINFO pThread;
2087  NTSTATUS Status;
2088 
2090 
2091  Status = PsLookupThreadByThreadId(UlongToHandle(idThread), &peThread);
2092 
2093  if ( Status == STATUS_SUCCESS )
2094  {
2095  pThread = (PTHREADINFO)peThread->Tcb.Win32Thread;
2096  if( !pThread ||
2097  !pThread->MessageQueue ||
2098  (pThread->TIF_flags & TIF_INCLEANUP))
2099  {
2100  ObDereferenceObject( peThread );
2101  goto exit;
2102  }
2103  ret = UserPostThreadMessage( pThread, Msg, wParam, lParam);
2104  ObDereferenceObject( peThread );
2105  }
2106  else
2107  {
2109  }
2110 exit:
2111  UserLeave();
2112  return ret;
2113 }
NTSTATUS NTAPI PsLookupThreadByThreadId(IN HANDLE ThreadId, OUT PETHREAD *Thread)
Definition: thread.c:643
FLONG TIF_flags
Definition: win32.h:94
LONG NTSTATUS
Definition: precomp.h:26
KTHREAD Tcb
Definition: pstypes.h:1034
VOID NTAPI ObDereferenceObject(IN PVOID Object)
Definition: obref.c:375
WPARAM wParam
Definition: combotst.c:138
struct @1576 Msg[]
unsigned int BOOL
Definition: ntddk_ex.h:94
BOOL FASTCALL UserPostThreadMessage(PTHREADINFO pti, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: message.c:1144
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
struct _THREADINFO * PTHREADINFO
Definition: ntwin32.h:6
#define UlongToHandle(ul)
Definition: basetsd.h:97
int ret
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
Status
Definition: gdiplustypes.h:24
struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
PVOID Win32Thread
Definition: ketypes.h:1756
void exit(int exitcode)
Definition: _exit.c:33
return STATUS_SUCCESS
Definition: btrfs.c:2966
LPARAM lParam
Definition: combotst.c:139
#define TIF_INCLEANUP
Definition: ntuser.h:240

Referenced by PostThreadMessageA(), and PostThreadMessageW().

◆ NtUserTranslateMessage()

BOOL APIENTRY NtUserTranslateMessage ( LPMSG  lpMsg,
UINT  flags 
)

Definition at line 2286 of file message.c.

2287 {
2288  MSG SafeMsg;
2289  BOOL Ret;
2290  PWND pWnd;
2291 
2292  _SEH2_TRY
2293  {
2294  ProbeForRead(lpMsg, sizeof(MSG), 1);
2295  RtlCopyMemory(&SafeMsg, lpMsg, sizeof(MSG));
2296  }
2298  {
2300  _SEH2_YIELD(return FALSE);
2301  }
2302  _SEH2_END;
2303 
2305  pWnd = UserGetWindowObject(SafeMsg.hwnd);
2306  if (pWnd) // Must have a window!
2307  {
2308  Ret = IntTranslateKbdMessage(&SafeMsg, flags);
2309  }
2310  else
2311  {
2312  TRACE("No Window for Translate. hwnd 0x%p Msg %u\n", SafeMsg.hwnd, SafeMsg.message);
2313  Ret = FALSE;
2314  }
2315  UserLeave();
2316 
2317  return Ret;
2318 }
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
BOOL FASTCALL IntTranslateKbdMessage(LPMSG lpMsg, UINT flags)
Definition: keyboard.c:1136
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
_SEH2_TRY
Definition: create.c:4250
unsigned int BOOL
Definition: ntddk_ex.h:94
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
PWND FASTCALL UserGetWindowObject(HWND hWnd)
Definition: window.c:103
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
#define TRACE(s)
Definition: solgame.cpp:4
#define _SEH2_YIELD(STMT_)
Definition: pseh2_64.h:8
GLbitfield flags
Definition: glext.h:7161
VOID NTAPI ProbeForRead(IN CONST VOID *Address, IN SIZE_T Length, IN ULONG Alignment)
Definition: exintrin.c:102
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
Definition: ntuser.h:657
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
_SEH2_END
Definition: create.c:4424
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:12

Referenced by TranslateMessageEx().

◆ NtUserWaitForInputIdle()

DWORD APIENTRY NtUserWaitForInputIdle ( IN HANDLE  hProcess,
IN DWORD  dwMilliseconds,
IN BOOL  Unknown2 
)

Definition at line 2893 of file message.c.

2896 {
2898  PPROCESSINFO W32Process;
2899  PTHREADINFO pti;
2900  NTSTATUS Status;
2901  HANDLE Handles[3];
2904 
2906 
2909  *PsProcessType,
2910  UserMode,
2911  (PVOID*)&Process,
2912  NULL);
2913 
2914  if (!NT_SUCCESS(Status))
2915  {
2916  UserLeave();
2918  return WAIT_FAILED;
2919  }
2920 
2922 
2923  W32Process = (PPROCESSINFO)Process->Win32Process;
2924 
2926  !W32Process ||
2927  pti->ppi == W32Process)
2928  {
2930  UserLeave();
2932  return WAIT_FAILED;
2933  }
2934 
2935  Handles[0] = Process;
2936  Handles[1] = W32Process->InputIdleEvent;
2937  Handles[2] = pti->pEventQueueServer; // IntMsqSetWakeMask returns hEventQueueClient
2938 
2939  if (!Handles[1])
2940  {
2942  UserLeave();
2943  return STATUS_SUCCESS; /* no event to wait on */
2944  }
2945 
2946  if (dwMilliseconds != INFINITE)
2947  Timeout.QuadPart = (LONGLONG) dwMilliseconds * (LONGLONG) -10000;
2948 
2950 
2951  W32Process->W32PF_flags |= W32PF_WAITFORINPUTIDLE;
2952  for (pti = W32Process->ptiList; pti; pti = pti->ptiSibling)
2953  {
2955  pti->pClientInfo->dwTIFlags = pti->TIF_flags;
2956  }
2957 
2959 
2960  TRACE("WFII: ppi %p\n", W32Process);
2961  TRACE("WFII: waiting for %p\n", Handles[1] );
2962 
2963  /*
2964  * We must add a refcount to our current PROCESSINFO,
2965  * because anything could happen (including process death) we're leaving win32k
2966  */
2967  IntReferenceProcessInfo(W32Process);
2968 
2969  do
2970  {
2971  UserLeave();
2973  Handles,
2974  WaitAny,
2975  UserRequest,
2976  UserMode,
2977  FALSE,
2978  dwMilliseconds == INFINITE ? NULL : &Timeout,
2979  NULL);
2981 
2982  if (!NT_SUCCESS(Status))
2983  {
2985  Status = WAIT_FAILED;
2986  goto WaitExit;
2987  }
2988 
2989  switch (Status)
2990  {
2991  case STATUS_WAIT_0:
2992  goto WaitExit;
2993 
2994  case STATUS_WAIT_2:
2995  {
2996  MSG Msg;
2997  co_IntGetPeekMessage( &Msg, 0, 0, 0, PM_REMOVE | PM_QS_SENDMESSAGE, FALSE);
2998  ERR("WFII: WAIT 2\n");
2999  }
3000  break;
3001 
3002  case STATUS_TIMEOUT:
3003  ERR("WFII: timeout\n");
3004  case WAIT_FAILED:
3005  goto WaitExit;
3006 
3007  default:
3008  ERR("WFII: finished\n");
3010  goto WaitExit;
3011  }
3012  }
3013  while (TRUE);
3014 
3015 WaitExit:
3016  for (pti = W32Process->ptiList; pti; pti = pti->ptiSibling)
3017  {
3019  pti->pClientInfo->dwTIFlags = pti->TIF_flags;
3020  }
3021  W32Process->W32PF_flags &= ~W32PF_WAITFORINPUTIDLE;
3022  IntDereferenceProcessInfo(W32Process);
3024  UserLeave();
3025  return Status;
3026 }
#define ERROR_INVALID_PARAMETER
Definition: compat.h:91
#define TRUE
Definition: types.h:120
KAPC_STATE
Definition: ketypes.h:1273
#define PROCESS_QUERY_INFORMATION
Definition: pstypes.h:158
PTHREADINFO ptiSibling
Definition: win32.h:115
FLONG TIF_flags
Definition: win32.h:94
TW_UINT32 TW_UINT16 TW_UINT16 MSG
Definition: twain.h:1827
PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
Definition: thread.c:805
LONG NTSTATUS
Definition: precomp.h:26
struct _PROCESSINFO * PPROCESSINFO
Definition: ntwin32.h:5
_In_ BOOL _In_ HANDLE hProcess
Definition: mapping.h:70
VOID NTAPI ObDereferenceObject(IN PVOID Object)
Definition: obref.c:375
#define TIF_WAITFORINPUTIDLE
Definition: ntuser.h:254
#define INFINITE
Definition: message.c:2888
PPROCESSINFO ppi
Definition: win32.h:87
#define STATUS_TIMEOUT
Definition: ntstatus.h:81
#define STATUS_WAIT_2
Definition: ntstatus.h:72
#define STATUS_WAIT_0
Definition: ntstatus.h:223
NTSTATUS NTAPI ObReferenceObjectByHandle(IN HANDLE Handle, IN ACCESS_MASK DesiredAccess, IN POBJECT_TYPE ObjectType, IN KPROCESSOR_MODE AccessMode, OUT PVOID *Object, OUT POBJECT_HANDLE_INFORMATION HandleInformation OPTIONAL)
Definition: obref.c:496
struct @1576 Msg[]
VOID NTAPI KeStackAttachProcess(IN PKPROCESS Process, OUT PRKAPC_STATE ApcState)
Definition: procobj.c:701
smooth NULL
Definition: ftsmooth.c:416
#define IntReferenceProcessInfo(ppi)
Definition: win32.h:177
#define W32PF_WAITFORINPUTIDLE
Definition: win32.h:22
VOID FASTCALL UserEnterExclusive(VOID)
Definition: ntuser.c:247
int64_t LONGLONG
Definition: typedefs.h:66
#define TRACE(s)
Definition: solgame.cpp:4
if(!(yy_init))
Definition: macro.lex.yy.c:714
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
PKEVENT pEventQueueServer
Definition: win32.h:124
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
struct _CLIENTINFO * pClientInfo
Definition: win32.h:93
BOOLEAN NTAPI PsGetProcessExitProcessCalled(PEPROCESS Process)
Definition: process.c:1043
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
Status
Definition: gdiplustypes.h:24
#define ERR(fmt,...)
Definition: debug.h:109
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
static ULONG Timeout
Definition: ping.c:61
BOOL APIENTRY co_IntGetPeekMessage(PMSG pMsg, HWND hWnd, UINT MsgFilterMin, UINT MsgFilterMax, UINT RemoveMsg, BOOL bGMSG)
Definition: message.c:1015
VOID NTAPI KeUnstackDetachProcess(IN PRKAPC_STATE ApcState)
Definition: procobj.c:753
_Out_ PKAPC_STATE ApcState
Definition: mm.h:1492
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:219
PTHREADINFO ptiList
Definition: win32.h:247
#define PM_REMOVE
Definition: winuser.h:1182
return STATUS_SUCCESS
Definition: btrfs.c:2966
#define IntDereferenceProcessInfo(ppi)
Definition: win32.h:182
POBJECT_TYPE PsProcessType
Definition: