/* * Message queues related functions * * Copyright 1993, 1994 Alexandre Julliard */ #include #include #include #include #include #include "wine/winbase16.h" #include "message.h" #include "winerror.h" #include "win.h" #include "heap.h" #include "hook.h" #include "input.h" #include "spy.h" #include "winpos.h" #include "dde.h" #include "queue.h" #include "winproc.h" #include "task.h" #include "process.h" #include "thread.h" #include "options.h" #include "struct32.h" #include "debugtools.h" DECLARE_DEBUG_CHANNEL(key) DECLARE_DEBUG_CHANNEL(msg) DECLARE_DEBUG_CHANNEL(sendmsg) #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE #define WM_NCMOUSELAST WM_NCMBUTTONDBLCLK typedef enum { SYSQ_MSG_ABANDON, SYSQ_MSG_SKIP, SYSQ_MSG_ACCEPT, SYSQ_MSG_CONTINUE } SYSQ_STATUS; extern HQUEUE16 hCursorQueue; /* queue.c */ DWORD MSG_WineStartTicks; /* Ticks at Wine startup */ static UINT doubleClickSpeed = 452; /*********************************************************************** * MSG_CheckFilter */ BOOL MSG_CheckFilter(DWORD uMsg, DWORD first, DWORD last) { if( first || last ) return (uMsg >= first && uMsg <= last); return TRUE; } /*********************************************************************** * MSG_SendParentNotify * * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless * the window has the WS_EX_NOPARENTNOTIFY style. */ static void MSG_SendParentNotify(WND* wndPtr, WORD event, WORD idChild, LPARAM lValue) { #define lppt ((LPPOINT16)&lValue) /* pt has to be in the client coordinates of the parent window */ WND *tmpWnd = WIN_LockWndPtr(wndPtr); MapWindowPoints16( 0, tmpWnd->hwndSelf, lppt, 1 ); while (tmpWnd) { if (!(tmpWnd->dwStyle & WS_CHILD) || (tmpWnd->dwExStyle & WS_EX_NOPARENTNOTIFY)) { WIN_ReleaseWndPtr(tmpWnd); break; } lppt->x += tmpWnd->rectClient.left; lppt->y += tmpWnd->rectClient.top; WIN_UpdateWndPtr(&tmpWnd,tmpWnd->parent); SendMessageA( tmpWnd->hwndSelf, WM_PARENTNOTIFY, MAKEWPARAM( event, idChild ), lValue ); } #undef lppt } /*********************************************************************** * MSG_TranslateMouseMsg * * Translate an mouse hardware event into a real mouse message. * * Returns: * * SYSQ_MSG_ABANDON - abandon the peek message loop * SYSQ_MSG_CONTINUE - leave the message in the queue and * continue with the translation loop * SYSQ_MSG_ACCEPT - proceed to process the translated message */ static DWORD MSG_TranslateMouseMsg( HWND hTopWnd, DWORD first, DWORD last, MSG *msg, BOOL remove, WND* pWndScope, INT16 *pHitTest, POINT16 *pScreen_pt, BOOL *pmouseClick ) { static DWORD dblclk_time_limit = 0; static UINT16 clk_message = 0; static HWND16 clk_hwnd = 0; static POINT16 clk_pos = { 0, 0 }; WND *pWnd; HWND hWnd; INT16 ht, hittest; UINT message = msg->message; POINT16 screen_pt, pt; HANDLE16 hQ = GetFastQueue16(); MESSAGEQUEUE *queue = (MESSAGEQUEUE *)QUEUE_Lock(hQ); BOOL mouseClick = ((message == WM_LBUTTONDOWN) || (message == WM_RBUTTONDOWN) || (message == WM_MBUTTONDOWN))?1:0; DWORD retvalue; /* Find the window to dispatch this mouse message to */ CONV_POINT32TO16( &msg->pt, &pt ); hWnd = GetCapture(); /* If no capture HWND, find window which contains the mouse position. * Also find the position of the cursor hot spot (hittest) */ if( !hWnd ) { ht = hittest = WINPOS_WindowFromPoint( pWndScope, pt, &pWnd ); if( !pWnd ) pWnd = WIN_GetDesktop(); else WIN_LockWndPtr(pWnd); hWnd = pWnd->hwndSelf; } else { ht = hittest = HTCLIENT; pWnd = WIN_FindWndPtr(hWnd); if (queue) ht = PERQDATA_GetCaptureInfo( queue->pQData ); } /* Save hittest for return */ *pHitTest = hittest; /* stop if not the right queue */ if (pWnd->hmemTaskQ != hQ) { /* Not for the current task */ if (queue) QUEUE_ClearWakeBit( queue, QS_MOUSE ); /* Wake up the other task */ QUEUE_Unlock( queue ); queue = (MESSAGEQUEUE *)QUEUE_Lock( pWnd->hmemTaskQ ); if (queue) QUEUE_SetWakeBit( queue, QS_MOUSE ); QUEUE_Unlock( queue ); retvalue = SYSQ_MSG_ABANDON; goto END; } /* check if hWnd is within hWndScope */ if( hTopWnd && hWnd != hTopWnd ) if( !IsChild(hTopWnd, hWnd) ) { QUEUE_Unlock( queue ); retvalue = SYSQ_MSG_CONTINUE; goto END; } /* Was it a mouse click message */ if( mouseClick ) { /* translate double clicks - * note that ...MOUSEMOVEs can slip in between * ...BUTTONDOWN and ...BUTTONDBLCLK messages */ if( pWnd->class->style & CS_DBLCLKS || ht != HTCLIENT ) { if ((message == clk_message) && (hWnd == clk_hwnd) && (msg->time - dblclk_time_limit < doubleClickSpeed) && (abs(msg->pt.x - clk_pos.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) && (abs(msg->pt.y - clk_pos.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2)) { message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN); mouseClick++; /* == 2 */ } } } /* save mouse position */ screen_pt = pt; *pScreen_pt = pt; if (hittest != HTCLIENT) { message += WM_NCMOUSEMOVE - WM_MOUSEMOVE; msg->wParam = hittest; } else ScreenToClient16( hWnd, &pt ); /* check message filter */ if (!MSG_CheckFilter(message, first, last)) { QUEUE_Unlock(queue); retvalue = SYSQ_MSG_CONTINUE; goto END; } /* Update global hCursorQueue */ hCursorQueue = queue->self; /* Update static double click conditions */ if( remove && mouseClick ) { if( mouseClick == 1 ) { /* set conditions */ dblclk_time_limit = msg->time; clk_message = msg->message; clk_hwnd = hWnd; clk_pos = screen_pt; } else /* got double click - zero them out */ dblclk_time_limit = clk_hwnd = 0; } QUEUE_Unlock(queue); /* Update message params */ msg->hwnd = hWnd; msg->message = message; msg->lParam = MAKELONG( pt.x, pt.y ); retvalue = SYSQ_MSG_ACCEPT; END: WIN_ReleaseWndPtr(pWnd); /* Return mouseclick flag */ *pmouseClick = mouseClick; return retvalue; } /*********************************************************************** * MSG_ProcessMouseMsg * * Processes a translated mouse hardware event. * The passed in msg structure should contain the updated hWnd, * lParam, wParam and message fields from MSG_TranslateMouseMsg. * * Returns: * * SYSQ_MSG_SKIP - Message should be skipped entirely (in this case * HIWORD contains hit test code). Continue translating.. * SYSQ_MSG_ACCEPT - the translated message must be passed to the user * MSG_PeekHardwareMsg should return TRUE. */ static DWORD MSG_ProcessMouseMsg( MSG *msg, BOOL remove, INT16 hittest, POINT16 screen_pt, BOOL mouseClick ) { WND *pWnd; HWND hWnd = msg->hwnd; INT16 sendSC = (GetCapture() == 0); UINT message = msg->message; BOOL eatMsg = FALSE; DWORD retvalue; pWnd = WIN_FindWndPtr(hWnd); /* call WH_MOUSE */ if (HOOK_IsHooked( WH_MOUSE )) { SYSQ_STATUS ret = 0; MOUSEHOOKSTRUCT16 *hook = SEGPTR_NEW(MOUSEHOOKSTRUCT16); if( hook ) { hook->pt = screen_pt; hook->hwnd = hWnd; hook->wHitTestCode = hittest; hook->dwExtraInfo = 0; ret = HOOK_CallHooks16( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE, message, (LPARAM)SEGPTR_GET(hook) ); SEGPTR_FREE(hook); } if( ret ) { retvalue = MAKELONG((INT16)SYSQ_MSG_SKIP, hittest); goto END; } } if ((hittest == HTERROR) || (hittest == HTNOWHERE)) eatMsg = sendSC = 1; else if( remove && mouseClick ) { HWND hwndTop = WIN_GetTopParent( hWnd ); if( sendSC ) { /* Send the WM_PARENTNOTIFY, * note that even for double/nonclient clicks * notification message is still WM_L/M/RBUTTONDOWN. */ MSG_SendParentNotify( pWnd, msg->message & 0xffff, 0, MAKELPARAM(screen_pt.x, screen_pt.y) ); /* Activate the window if needed */ if (hWnd != GetActiveWindow() && hWnd != GetDesktopWindow()) { LONG ret = SendMessageA( hWnd, WM_MOUSEACTIVATE, hwndTop, MAKELONG( hittest, message ) ); if ((ret == MA_ACTIVATEANDEAT) || (ret == MA_NOACTIVATEANDEAT)) eatMsg = TRUE; if (((ret == MA_ACTIVATE) || (ret == MA_ACTIVATEANDEAT)) && hwndTop != GetActiveWindow() ) if (!WINPOS_SetActiveWindow( hwndTop, TRUE , TRUE )) eatMsg = TRUE; } } } else sendSC = (remove && sendSC); /* Send the WM_SETCURSOR message */ if (sendSC) SendMessageA( hWnd, WM_SETCURSOR, hWnd, MAKELONG( hittest, message )); if (eatMsg) { retvalue = MAKELONG( (UINT16)SYSQ_MSG_SKIP, hittest); goto END; } retvalue = SYSQ_MSG_ACCEPT; END: WIN_ReleaseWndPtr(pWnd); return retvalue; } /*********************************************************************** * MSG_TranslateKbdMsg * * Translate an keyboard hardware event into a real message. */ static DWORD MSG_TranslateKbdMsg( HWND hTopWnd, DWORD first, DWORD last, MSG *msg, BOOL remove ) { WORD message = msg->message; HWND hWnd = GetFocus(); WND *pWnd; /* Should check Ctrl-Esc and PrintScreen here */ if (!hWnd) { /* Send the message to the active window instead, */ /* translating messages to their WM_SYS equivalent */ hWnd = GetActiveWindow(); if( message < WM_SYSKEYDOWN ) message += WM_SYSKEYDOWN - WM_KEYDOWN; } pWnd = WIN_FindWndPtr( hWnd ); if (pWnd && (pWnd->hmemTaskQ != GetFastQueue16())) { /* Not for the current task */ MESSAGEQUEUE *queue = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() ); if (queue) QUEUE_ClearWakeBit( queue, QS_KEY ); QUEUE_Unlock( queue ); /* Wake up the other task */ queue = (MESSAGEQUEUE *)QUEUE_Lock( pWnd->hmemTaskQ ); if (queue) QUEUE_SetWakeBit( queue, QS_KEY ); QUEUE_Unlock( queue ); WIN_ReleaseWndPtr(pWnd); return SYSQ_MSG_ABANDON; } WIN_ReleaseWndPtr(pWnd); if (hTopWnd && hWnd != hTopWnd) if (!IsChild(hTopWnd, hWnd)) return SYSQ_MSG_CONTINUE; if (!MSG_CheckFilter(message, first, last)) return SYSQ_MSG_CONTINUE; msg->hwnd = hWnd; msg->message = message; return SYSQ_MSG_ACCEPT; } /*********************************************************************** * MSG_ProcessKbdMsg * * Processes a translated keyboard message */ static DWORD MSG_ProcessKbdMsg( MSG *msg, BOOL remove ) { return (HOOK_CallHooks16( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE, LOWORD (msg->wParam), msg->lParam ) ? SYSQ_MSG_SKIP : SYSQ_MSG_ACCEPT); } /*********************************************************************** * MSG_JournalRecordMsg * * Build an EVENTMSG structure and call JOURNALRECORD hook */ static void MSG_JournalRecordMsg( MSG *msg ) { EVENTMSG *event = (EVENTMSG *) HeapAlloc(SystemHeap, 0, sizeof(EVENTMSG)); if (!event) return; event->message = msg->message; event->time = msg->time; if ((msg->message >= WM_KEYFIRST) && (msg->message <= WM_KEYLAST)) { event->paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8); event->paramH = msg->lParam & 0x7FFF; if (HIWORD(msg->lParam) & 0x0100) event->paramH |= 0x8000; /* special_key - bit */ HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event ); } else if ((msg->message >= WM_MOUSEFIRST) && (msg->message <= WM_MOUSELAST)) { event->paramL = LOWORD(msg->lParam); /* X pos */ event->paramH = HIWORD(msg->lParam); /* Y pos */ ClientToScreen16( msg->hwnd, (LPPOINT16)&event->paramL ); HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event ); } else if ((msg->message >= WM_NCMOUSEFIRST) && (msg->message <= WM_NCMOUSELAST)) { event->paramL = LOWORD(msg->lParam); /* X pos */ event->paramH = HIWORD(msg->lParam); /* Y pos */ event->message += WM_MOUSEMOVE-WM_NCMOUSEMOVE;/* give no info about NC area */ HOOK_CallHooksA( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)event ); } HeapFree(SystemHeap, 0, event); } /*********************************************************************** * MSG_JournalPlayBackMsg * * Get an EVENTMSG struct via call JOURNALPLAYBACK hook function */ static int MSG_JournalPlayBackMsg(void) { EVENTMSG *tmpMsg; long wtime,lParam,wParam; WORD keyDown,i,result=0; if ( HOOK_IsHooked( WH_JOURNALPLAYBACK ) ) { tmpMsg = (EVENTMSG *) HeapAlloc(SystemHeap, 0, sizeof(EVENTMSG)); if (!tmpMsg) return result; wtime=HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_GETNEXT, 0, (LPARAM) tmpMsg ); /* TRACE(msg,"Playback wait time =%ld\n",wtime); */ if (wtime<=0) { wtime=0; if ((tmpMsg->message>= WM_KEYFIRST) && (tmpMsg->message <= WM_KEYLAST)) { wParam=tmpMsg->paramL & 0xFF; lParam=MAKELONG(tmpMsg->paramH&0x7ffff,tmpMsg->paramL>>8); if (tmpMsg->message == WM_KEYDOWN || tmpMsg->message == WM_SYSKEYDOWN) { for (keyDown=i=0; i<256 && !keyDown; i++) if (InputKeyStateTable[i] & 0x80) keyDown++; if (!keyDown) lParam |= 0x40000000; AsyncKeyStateTable[wParam]=InputKeyStateTable[wParam] |= 0x80; } else /* WM_KEYUP, WM_SYSKEYUP */ { lParam |= 0xC0000000; AsyncKeyStateTable[wParam]=InputKeyStateTable[wParam] &= ~0x80; } if (InputKeyStateTable[VK_MENU] & 0x80) lParam |= 0x20000000; if (tmpMsg->paramH & 0x8000) /*special_key bit*/ lParam |= 0x01000000; hardware_event( tmpMsg->message & 0xffff, LOWORD(wParam), lParam, 0, 0, tmpMsg->time, 0 ); } else { if ((tmpMsg->message>= WM_MOUSEFIRST) && (tmpMsg->message <= WM_MOUSELAST)) { switch (tmpMsg->message) { case WM_LBUTTONDOWN: MouseButtonsStates[0]=AsyncMouseButtonsStates[0]=TRUE;break; case WM_LBUTTONUP: MouseButtonsStates[0]=AsyncMouseButtonsStates[0]=FALSE;break; case WM_MBUTTONDOWN: MouseButtonsStates[1]=AsyncMouseButtonsStates[1]=TRUE;break; case WM_MBUTTONUP: MouseButtonsStates[1]=AsyncMouseButtonsStates[1]=FALSE;break; case WM_RBUTTONDOWN: MouseButtonsStates[2]=AsyncMouseButtonsStates[2]=TRUE;break; case WM_RBUTTONUP: MouseButtonsStates[2]=AsyncMouseButtonsStates[2]=FALSE;break; } AsyncKeyStateTable[VK_LBUTTON]= InputKeyStateTable[VK_LBUTTON] = MouseButtonsStates[0] ? 0x80 : 0; AsyncKeyStateTable[VK_MBUTTON]= InputKeyStateTable[VK_MBUTTON] = MouseButtonsStates[1] ? 0x80 : 0; AsyncKeyStateTable[VK_RBUTTON]= InputKeyStateTable[VK_RBUTTON] = MouseButtonsStates[2] ? 0x80 : 0; SetCursorPos(tmpMsg->paramL,tmpMsg->paramH); lParam=MAKELONG(tmpMsg->paramL,tmpMsg->paramH); wParam=0; if (MouseButtonsStates[0]) wParam |= MK_LBUTTON; if (MouseButtonsStates[1]) wParam |= MK_MBUTTON; if (MouseButtonsStates[2]) wParam |= MK_RBUTTON; hardware_event( tmpMsg->message & 0xffff, LOWORD (wParam), lParam, tmpMsg->paramL, tmpMsg->paramH, tmpMsg->time, 0 ); } } HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_SKIP, 0, (LPARAM) tmpMsg); } else { if( tmpMsg->message == WM_QUEUESYNC ) if (HOOK_IsHooked( WH_CBT )) HOOK_CallHooksA( WH_CBT, HCBT_QS, 0, 0L); result= QS_MOUSE | QS_KEY; /* ? */ } HeapFree(SystemHeap, 0, tmpMsg); } return result; } /*********************************************************************** * MSG_PeekHardwareMsg * * Peek for a hardware message matching the hwnd and message filters. */ static BOOL MSG_PeekHardwareMsg( MSG *msg, HWND hwnd, DWORD first, DWORD last, BOOL remove ) { /* FIXME: should deal with MSG32 instead of MSG16 */ DWORD status = SYSQ_MSG_ACCEPT; MESSAGEQUEUE *sysMsgQueue = QUEUE_GetSysQueue(); enum { MOUSE_MSG = 0, KEYBOARD_MSG, HARDWARE_MSG } msgType; QMSG *nextqmsg, *qmsg = 0; BOOL bRet = FALSE; /* FIXME: there has to be a better way to do this */ joySendMessages(); EnterCriticalSection(&sysMsgQueue->cSection); /* Loop through the Q and translate the message we wish to process * while we own the lock. Based on the translation status (abandon/cont/accept) * we then process the message accordingly */ for ( qmsg = sysMsgQueue->firstMsg; qmsg; qmsg = nextqmsg ) { INT16 hittest; POINT16 screen_pt; BOOL mouseClick; *msg = qmsg->msg; nextqmsg = qmsg->nextMsg; /* Translate message */ if ((msg->message >= WM_MOUSEFIRST) && (msg->message <= WM_MOUSELAST)) { HWND hWndScope = (HWND)qmsg->extraInfo; WND *tmpWnd = (Options.managed && IsWindow(hWndScope) ) ? WIN_FindWndPtr(hWndScope) : WIN_GetDesktop(); status = MSG_TranslateMouseMsg(hwnd, first, last, msg, remove, tmpWnd, &hittest, &screen_pt, &mouseClick ); msgType = MOUSE_MSG; WIN_ReleaseWndPtr(tmpWnd); } else if ((msg->message >= WM_KEYFIRST) && (msg->message <= WM_KEYLAST)) { status = MSG_TranslateKbdMsg(hwnd, first, last, msg, remove); msgType = KEYBOARD_MSG; } else /* Non-standard hardware event */ { HARDWAREHOOKSTRUCT16 *hook; msgType = HARDWARE_MSG; if ((hook = SEGPTR_NEW(HARDWAREHOOKSTRUCT16))) { BOOL ret; hook->hWnd = msg->hwnd; hook->wMessage = msg->message & 0xffff; hook->wParam = LOWORD (msg->wParam); hook->lParam = msg->lParam; ret = HOOK_CallHooks16( WH_HARDWARE, remove ? HC_ACTION : HC_NOREMOVE, 0, (LPARAM)SEGPTR_GET(hook) ); SEGPTR_FREE(hook); if (ret) { QUEUE_RemoveMsg( sysMsgQueue, qmsg ); continue; } status = SYSQ_MSG_ACCEPT; } } switch (LOWORD(status)) { case SYSQ_MSG_ACCEPT: { /* Remove the message from the system msg Q while it is still locked, * before accepting it */ if (remove) { if (HOOK_IsHooked( WH_JOURNALRECORD )) MSG_JournalRecordMsg( msg ); QUEUE_RemoveMsg( sysMsgQueue, qmsg ); } /* Now actually process the message, after we unlock the system msg Q. * We should not hold on to the crst since SendMessage calls during processing * will potentially cause callbacks to PeekMessage from the application. * If we're holding the crst and QUEUE_WaitBits is called with a * QS_SENDMESSAGE mask we will deadlock in hardware_event() when a * message is being posted to the Q. */ LeaveCriticalSection(&sysMsgQueue->cSection); if( msgType == KEYBOARD_MSG ) status = MSG_ProcessKbdMsg( msg, remove ); else if ( msgType == MOUSE_MSG ) status = MSG_ProcessMouseMsg( msg, remove, hittest, screen_pt, mouseClick ); /* Reclaim the sys msg Q crst */ EnterCriticalSection(&sysMsgQueue->cSection); /* Pass the translated message to the user if it was accepted */ if (status == SYSQ_MSG_ACCEPT) break; /* If not accepted, fall through into the SYSQ_MSG_SKIP case */ } case SYSQ_MSG_SKIP: if (HOOK_IsHooked( WH_CBT )) { if( msgType == KEYBOARD_MSG ) HOOK_CallHooks16( WH_CBT, HCBT_KEYSKIPPED, LOWORD (msg->wParam), msg->lParam ); else if ( msgType == MOUSE_MSG ) { MOUSEHOOKSTRUCT16 *hook = SEGPTR_NEW(MOUSEHOOKSTRUCT16); if (hook) { CONV_POINT32TO16( &msg->pt,&hook->pt ); hook->hwnd = msg->hwnd; hook->wHitTestCode = HIWORD(status); hook->dwExtraInfo = 0; HOOK_CallHooks16( WH_CBT, HCBT_CLICKSKIPPED ,msg->message & 0xffff, (LPARAM)SEGPTR_GET(hook) ); SEGPTR_FREE(hook); } } } /* If the message was removed earlier set up nextqmsg so that we start * at the top of the queue again. We need to do this since our next pointer * could be invalid due to us unlocking the system message Q to process the message. * If not removed just refresh nextqmsg to point to the next msg. */ if (remove) nextqmsg = sysMsgQueue->firstMsg; else nextqmsg = qmsg->nextMsg; continue; case SYSQ_MSG_CONTINUE: continue; case SYSQ_MSG_ABANDON: bRet = FALSE; goto END; } bRet = TRUE; goto END; } END: LeaveCriticalSection(&sysMsgQueue->cSection); return bRet; } /********************************************************************** * SetDoubleClickTime16 (USER.20) */ void WINAPI SetDoubleClickTime16( UINT16 interval ) { SetDoubleClickTime( interval ); } /********************************************************************** * SetDoubleClickTime32 (USER32.480) */ BOOL WINAPI SetDoubleClickTime( UINT interval ) { doubleClickSpeed = interval ? interval : 500; return TRUE; } /********************************************************************** * GetDoubleClickTime16 (USER.21) */ UINT16 WINAPI GetDoubleClickTime16(void) { return doubleClickSpeed; } /********************************************************************** * GetDoubleClickTime32 (USER32.239) */ UINT WINAPI GetDoubleClickTime(void) { return doubleClickSpeed; } /*********************************************************************** * MSG_SendMessageInterThread * * Implementation of an inter-task SendMessage. * Return values: * 0 if error or timeout * 1 if successflul */ static LRESULT MSG_SendMessageInterThread( HQUEUE16 hDestQueue, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, DWORD timeout, WORD flags, LRESULT *pRes) { MESSAGEQUEUE *queue, *destQ; SMSG *smsg; LRESULT retVal = 1; int iWndsLocks; *pRes = 0; if (IsTaskLocked16() || !IsWindow(hwnd)) return 0; /* create a SMSG structure to hold SendMessage() parameters */ if (! (smsg = (SMSG *) HeapAlloc( SystemHeap, 0, sizeof(SMSG) )) ) return 0; if (!(queue = (MESSAGEQUEUE*)QUEUE_Lock( GetFastQueue16() ))) return 0; if (!(destQ = (MESSAGEQUEUE*)QUEUE_Lock( hDestQueue ))) { QUEUE_Unlock( queue ); return 0; } TRACE_(sendmsg)("SM: %s [%04x] (%04x -> %04x)\n", SPY_GetMsgName(msg), msg, queue->self, hDestQueue ); /* fill up SMSG structure */ smsg->hWnd = hwnd; smsg->msg = msg; smsg->wParam = wParam; smsg->lParam = lParam; smsg->lResult = 0; smsg->hSrcQueue = GetFastQueue16(); smsg->hDstQueue = hDestQueue; smsg->flags = flags; /* add smsg struct in the processing SM list of the source queue */ QUEUE_AddSMSG(queue, SM_PROCESSING_LIST, smsg); /* add smsg struct in the pending list of the destination queue */ if (QUEUE_AddSMSG(destQ, SM_PENDING_LIST, smsg) == FALSE) return 0; iWndsLocks = WIN_SuspendWndsLock(); /* force destination task to run next, if 16 bit threads */ if ( THREAD_IsWin16(THREAD_Current()) && THREAD_IsWin16(destQ->thdb) ) DirectedYield16( destQ->thdb->teb.htask16 ); /* wait for the result, note that 16-bit apps almost always get out of * DirectedYield() with SMSG_HAVE_RESULT flag already set */ while ( TRUE ) { /* * The sequence is crucial to avoid deadlock situations: * - first, we clear the QS_SMRESULT bit * - then, we check the SMSG_HAVE_RESULT bit * - only if this isn't set, we enter the wait state. * * As the receiver first sets the SMSG_HAVE_RESULT and then wakes us, * we are guaranteed that -should we now clear the QS_SMRESULT that * was signalled already by the receiver- we will not start waiting. */ if ( smsg->flags & SMSG_HAVE_RESULT ) { got: *pRes = smsg->lResult; TRACE_(sendmsg)("smResult = %08x\n", (unsigned)*pRes ); break; } QUEUE_ClearWakeBit( queue, QS_SMRESULT ); if ( smsg->flags & SMSG_HAVE_RESULT ) goto got; if( QUEUE_WaitBits( QS_SMRESULT, timeout ) == 0 ) { /* return with timeout */ SetLastError( 0 ); retVal = 0; break; } } WIN_RestoreWndsLock(iWndsLocks); /* remove the smsg from the processingg list of the source queue */ QUEUE_RemoveSMSG( queue, SM_PROCESSING_LIST, smsg ); /* Note: the destination thread is in charge of removing the smsg from the pending list */ /* In the case of an early reply (or a timeout), sender thread will released the smsg structure if the receiver thread is done (SMSG_RECEIVED set). If the receiver thread isn't done, SMSG_RECEIVER_CLEANS_UP flag is set, and it will be the receiver responsability to released smsg */ EnterCriticalSection( &queue->cSection ); if (smsg->flags & SMSG_RECEIVED) HeapFree(SystemHeap, 0, smsg); else smsg->flags |= SMSG_RECEIVER_CLEANS; LeaveCriticalSection( &queue->cSection ); QUEUE_Unlock( queue ); QUEUE_Unlock( destQ ); TRACE_(sendmsg)("done!\n"); return retVal; } /*********************************************************************** * ReplyMessage16 (USER.115) */ void WINAPI ReplyMessage16( LRESULT result ) { ReplyMessage( result ); } /*********************************************************************** * ReplyMessage (USER.115) */ BOOL WINAPI ReplyMessage( LRESULT result ) { MESSAGEQUEUE *senderQ = 0; MESSAGEQUEUE *queue = 0; SMSG *smsg; BOOL ret = FALSE; if (!(queue = (MESSAGEQUEUE*)QUEUE_Lock( GetFastQueue16() ))) return FALSE; TRACE_(sendmsg)("ReplyMessage, queue %04x\n", queue->self); if ( !(smsg = queue->smWaiting) || !(senderQ = QUEUE_Lock( smsg->hSrcQueue )) ) goto ReplyMessageEnd; if ( !(smsg->flags & SMSG_ALREADY_REPLIED) ) { /* This is the first reply, so pass result to sender */ TRACE_(sendmsg)("\trpm: smResult = %08lx\n", (long) result ); EnterCriticalSection(&senderQ->cSection); smsg->lResult = result; smsg->flags |= SMSG_ALREADY_REPLIED; /* check if it's an early reply (called by the application) or a regular reply (called by ReceiveMessage) */ if ( !(smsg->flags & SMSG_SENDING_REPLY) ) smsg->flags |= SMSG_EARLY_REPLY; smsg->flags |= SMSG_HAVE_RESULT; LeaveCriticalSection(&senderQ->cSection); /* tell the sending task that its reply is ready */ QUEUE_SetWakeBit( senderQ, QS_SMRESULT ); /* switch directly to sending task (16 bit thread only) */ if ( THREAD_IsWin16( THREAD_Current() ) && THREAD_IsWin16( senderQ->thdb ) ) DirectedYield16( senderQ->thdb->teb.htask16 ); ret = TRUE; } if (smsg->flags & SMSG_SENDING_REPLY) { /* remove msg from the waiting list, since this is the last ReplyMessage */ QUEUE_RemoveSMSG( queue, SM_WAITING_LIST, smsg ); EnterCriticalSection(&senderQ->cSection); /* tell the sender we're all done with smsg structure */ smsg->flags |= SMSG_RECEIVED; /* sender will set SMSG_RECEIVER_CLEANS_UP if it wants the receiver to clean up smsg, it could only happens when there is an early reply or a timeout */ if ( smsg->flags & SMSG_RECEIVER_CLEANS ) { TRACE_(sendmsg)("Receiver cleans up!\n" ); HeapFree( SystemHeap, 0, smsg ); } LeaveCriticalSection(&senderQ->cSection); } ReplyMessageEnd: if ( senderQ ) QUEUE_Unlock( senderQ ); if ( queue ) QUEUE_Unlock( queue ); return ret; } /*********************************************************************** * MSG_PeekMessage */ static BOOL MSG_PeekMessage( LPMSG msg, HWND hwnd, DWORD first, DWORD last, WORD flags, BOOL peek ) { int mask; MESSAGEQUEUE *msgQueue; HQUEUE16 hQueue; POINT16 pt16; int iWndsLocks; #ifdef CONFIG_IPC DDE_TestDDE(hwnd); /* do we have dde handling in the window ?*/ DDE_GetRemoteMessage(); #endif /* CONFIG_IPC */ mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */ if (first || last) { if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY; if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) || ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE; if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER; if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER; if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT; } else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT; if (IsTaskLocked16()) flags |= PM_NOYIELD; /* Never yield on Win32 threads */ if (!THREAD_IsWin16(THREAD_Current())) flags |= PM_NOYIELD; iWndsLocks = WIN_SuspendWndsLock(); while(1) { QMSG *qmsg; hQueue = GetFastQueue16(); msgQueue = (MESSAGEQUEUE *)QUEUE_Lock( hQueue ); if (!msgQueue) { WIN_RestoreWndsLock(iWndsLocks); return FALSE; } msgQueue->changeBits = 0; /* First handle a message put by SendMessage() */ while (msgQueue->wakeBits & QS_SENDMESSAGE) QUEUE_ReceiveMessage( msgQueue ); /* Now handle a WM_QUIT message */ if (msgQueue->wPostQMsg && (!first || WM_QUIT >= first) && (!last || WM_QUIT <= last) ) { msg->hwnd = hwnd; msg->message = WM_QUIT; msg->wParam = msgQueue->wExitCode; msg->lParam = 0; if (flags & PM_REMOVE) msgQueue->wPostQMsg = 0; break; } /* Now find a normal message */ if (((msgQueue->wakeBits & mask) & QS_POSTMESSAGE) && ((qmsg = QUEUE_FindMsg( msgQueue, hwnd, first, last )) != 0)) { *msg = qmsg->msg; msgQueue->GetMessageTimeVal = msg->time; CONV_POINT32TO16(&msg->pt, &pt16); msgQueue->GetMessagePosVal = *(DWORD *)&pt16; msgQueue->GetMessageExtraInfoVal = qmsg->extraInfo; if (flags & PM_REMOVE) QUEUE_RemoveMsg( msgQueue, qmsg ); break; } msgQueue->changeBits |= MSG_JournalPlayBackMsg(); /* Now find a hardware event */ if (((msgQueue->wakeBits & mask) & (QS_MOUSE | QS_KEY)) && MSG_PeekHardwareMsg( msg, hwnd, first, last, flags & PM_REMOVE )) { /* Got one */ msgQueue->GetMessageTimeVal = msg->time; CONV_POINT32TO16(&msg->pt, &pt16); msgQueue->GetMessagePosVal = *(DWORD *)&pt16; msgQueue->GetMessageExtraInfoVal = 0; /* Always 0 for now */ break; } /* Check again for SendMessage */ while (msgQueue->wakeBits & QS_SENDMESSAGE) QUEUE_ReceiveMessage( msgQueue ); /* Now find a WM_PAINT message */ if ((msgQueue->wakeBits & mask) & QS_PAINT) { WND* wndPtr; msg->hwnd = WIN_FindWinToRepaint( hwnd , hQueue ); msg->message = WM_PAINT; msg->wParam = 0; msg->lParam = 0; if ((wndPtr = WIN_FindWndPtr(msg->hwnd))) { if( wndPtr->dwStyle & WS_MINIMIZE && wndPtr->class->hIcon ) { msg->message = WM_PAINTICON; msg->wParam = 1; } if( !hwnd || msg->hwnd == hwnd || IsChild16(hwnd,msg->hwnd) ) { if( wndPtr->flags & WIN_INTERNAL_PAINT && !wndPtr->hrgnUpdate) { wndPtr->flags &= ~WIN_INTERNAL_PAINT; QUEUE_DecPaintCount( hQueue ); } WIN_ReleaseWndPtr(wndPtr); break; } WIN_ReleaseWndPtr(wndPtr); } } /* Check for timer messages, but yield first */ if (!(flags & PM_NOYIELD)) { UserYield16(); while (msgQueue->wakeBits & QS_SENDMESSAGE) QUEUE_ReceiveMessage( msgQueue ); } if ((msgQueue->wakeBits & mask) & QS_TIMER) { if (TIMER_GetTimerMsg(msg, hwnd, hQueue, flags & PM_REMOVE)) break; } if (peek) { if (!(flags & PM_NOYIELD)) UserYield16(); QUEUE_Unlock( msgQueue ); WIN_RestoreWndsLock(iWndsLocks); return FALSE; } msgQueue->wakeMask = mask; QUEUE_WaitBits( mask, INFINITE ); QUEUE_Unlock( msgQueue ); } WIN_RestoreWndsLock(iWndsLocks); /* instead of unlocking queue for every break condition, all break condition will fall here */ QUEUE_Unlock( msgQueue ); /* We got a message */ if (flags & PM_REMOVE) { WORD message = msg->message; if (message == WM_KEYDOWN || message == WM_SYSKEYDOWN) { BYTE *p = &QueueKeyStateTable[msg->wParam & 0xff]; if (!(*p & 0x80)) *p ^= 0x01; *p |= 0x80; } else if (message == WM_KEYUP || message == WM_SYSKEYUP) QueueKeyStateTable[msg->wParam & 0xff] &= ~0x80; } if (peek) return TRUE; else return (msg->message != WM_QUIT); } /*********************************************************************** * MSG_InternalGetMessage * * GetMessage() function for internal use. Behave like GetMessage(), * but also call message filters and optionally send WM_ENTERIDLE messages. * 'hwnd' must be the handle of the dialog or menu window. * 'code' is the message filter value (MSGF_??? codes). */ BOOL MSG_InternalGetMessage( MSG *msg, HWND hwnd, HWND hwndOwner, WPARAM code, WORD flags, BOOL sendIdle ) { for (;;) { if (sendIdle) { if (!MSG_PeekMessage( msg, 0, 0, 0, flags, TRUE )) { /* No message present -> send ENTERIDLE and wait */ if (IsWindow(hwndOwner)) SendMessageA( hwndOwner, WM_ENTERIDLE, code, (LPARAM)hwnd ); MSG_PeekMessage( msg, 0, 0, 0, flags, FALSE ); } } else /* Always wait for a message */ MSG_PeekMessage( msg, 0, 0, 0, flags, FALSE ); /* Call message filters */ if (HOOK_IsHooked( WH_SYSMSGFILTER ) || HOOK_IsHooked( WH_MSGFILTER )) { MSG *pmsg = HeapAlloc( SystemHeap, 0, sizeof(MSG) ); if (pmsg) { BOOL ret; *pmsg = *msg; ret = (HOOK_CallHooksA( WH_SYSMSGFILTER, code, 0, (LPARAM) pmsg ) || HOOK_CallHooksA( WH_MSGFILTER, code, 0, (LPARAM) pmsg )); HeapFree( SystemHeap, 0, pmsg ); if (ret) { /* Message filtered -> remove it from the queue */ /* if it's still there. */ if (!(flags & PM_REMOVE)) MSG_PeekMessage( msg, 0, 0, 0, PM_REMOVE, TRUE ); continue; } } } return (msg->message != WM_QUIT); } } /*********************************************************************** * PeekMessage16 (USER.109) */ BOOL16 WINAPI PeekMessage16( LPMSG16 lpmsg, HWND16 hwnd, UINT16 first, UINT16 last, UINT16 flags ) { MSG msg32; BOOL16 ret; ret = PeekMessageA(&msg32, hwnd, first, last, flags); STRUCT32_MSG32to16(&msg32, lpmsg); return ret; } /*********************************************************************** * WIN16_PeekMessage32 (USER.819) */ BOOL16 WINAPI PeekMessage32_16( LPMSG16_32 lpmsg16_32, HWND16 hwnd, UINT16 first, UINT16 last, UINT16 flags, BOOL16 wHaveParamHigh ) { if (wHaveParamHigh == FALSE) { lpmsg16_32->wParamHigh = 0; return PeekMessage16(&(lpmsg16_32->msg), hwnd, first, last, flags); } else { MSG msg32; BOOL16 ret; ret = (BOOL16)PeekMessageA(&msg32, (HWND)hwnd, (UINT)first, (UINT)last, (UINT)flags); lpmsg16_32->msg.hwnd = msg32.hwnd; lpmsg16_32->msg.message = msg32.message; lpmsg16_32->msg.wParam = LOWORD(msg32.wParam); lpmsg16_32->msg.lParam = msg32.lParam; lpmsg16_32->msg.time = msg32.time; lpmsg16_32->msg.pt.x = (INT16)msg32.pt.x; lpmsg16_32->msg.pt.y = (INT16)msg32.pt.y; lpmsg16_32->wParamHigh = HIWORD(msg32.wParam); return ret; } } /*********************************************************************** * PeekMessageA */ BOOL WINAPI PeekMessageA( LPMSG lpmsg, HWND hwnd, UINT min,UINT max,UINT wRemoveMsg) { return MSG_PeekMessage( lpmsg, hwnd, min, max, wRemoveMsg, TRUE ); } /*********************************************************************** * PeekMessageW Check queue for messages * * Checks for a message in the thread's queue, filtered as for * GetMessage(). Returns immediately whether a message is available * or not. * * Whether a retrieved message is removed from the queue is set by the * _wRemoveMsg_ flags, which should be one of the following values: * * PM_NOREMOVE Do not remove the message from the queue. * * PM_REMOVE Remove the message from the queue. * * In addition, PM_NOYIELD may be combined into _wRemoveMsg_ to * request that the system not yield control during PeekMessage(); * however applications may not rely on scheduling behavior. * * RETURNS * * Nonzero if a message is available and is retrieved, zero otherwise. * * CONFORMANCE * * ECMA-234, Win32 * */ BOOL WINAPI PeekMessageW( LPMSG lpmsg, /* buffer to receive message */ HWND hwnd, /* restrict to messages for hwnd */ UINT min, /* minimum message to receive */ UINT max, /* maximum message to receive */ UINT wRemoveMsg /* removal flags */ ) { BOOL bRet = PeekMessageA(lpmsg,hwnd,min,max,wRemoveMsg); if (bRet) FIXME_(sendmsg)("(%s) unicode<->ascii\n", SPY_GetMsgName(lpmsg->message)); return bRet; } /*********************************************************************** * GetMessage16 (USER.108) */ BOOL16 WINAPI GetMessage16( SEGPTR msg, HWND16 hwnd, UINT16 first, UINT16 last) { BOOL ret; MSG16 *lpmsg = (MSG16 *)PTR_SEG_TO_LIN(msg); MSG msg32; ret = GetMessageA( &msg32, hwnd, first, last ); STRUCT32_MSG32to16( &msg32, lpmsg ); TRACE_(msg)("message %04x, hwnd %04x, filter(%04x - %04x)\n", lpmsg->message, hwnd, first, last ); return ret; } /*********************************************************************** * WIN16_GetMessage32 (USER.820) */ BOOL16 WINAPI GetMessage32_16( SEGPTR msg16_32, HWND16 hWnd, UINT16 first, UINT16 last, BOOL16 wHaveParamHigh ) { MSG32_16 *lpmsg16_32 = (MSG32_16 *)PTR_SEG_TO_LIN(msg16_32); if (wHaveParamHigh == FALSE) /* normal GetMessage16 call */ { lpmsg16_32->wParamHigh = 0; /* you never know... */ /* WARNING: msg16_32->msg has to be the first variable in the struct */ return GetMessage16(msg16_32, hWnd, first, last); } else { MSG msg32; BOOL16 ret; ret = (BOOL16)GetMessageA(&msg32, hWnd, first, last); lpmsg16_32->msg.hwnd = msg32.hwnd; lpmsg16_32->msg.message = msg32.message; lpmsg16_32->msg.wParam = LOWORD(msg32.wParam); lpmsg16_32->msg.lParam = msg32.lParam; lpmsg16_32->msg.time = msg32.time; lpmsg16_32->msg.pt.x = (INT16)msg32.pt.x; lpmsg16_32->msg.pt.y = (INT16)msg32.pt.y; lpmsg16_32->wParamHigh = HIWORD(msg32.wParam); return ret; } } /*********************************************************************** * GetMessage32A (USER32.270) */ BOOL WINAPI GetMessageA(MSG* lpmsg,HWND hwnd,UINT min,UINT max) { MSG_PeekMessage( lpmsg, hwnd, min, max, PM_REMOVE, FALSE ); TRACE_(msg)("message %04x, hwnd %04x, filter(%04x - %04x)\n", lpmsg->message, hwnd, min, max ); HOOK_CallHooksA( WH_GETMESSAGE, HC_ACTION, 0, (LPARAM)lpmsg ); return (lpmsg->message != WM_QUIT); } /*********************************************************************** * GetMessage32W (USER32.274) Retrieve next message * * GetMessage retrieves the next event from the calling thread's * queue and deposits it in *lpmsg. * * If _hwnd_ is not NULL, only messages for window _hwnd_ and its * children as specified by IsChild() are retrieved. If _hwnd_ is NULL * all application messages are retrieved. * * _min_ and _max_ specify the range of messages of interest. If * min==max==0, no filtering is performed. Useful examples are * WM_KEYFIRST and WM_KEYLAST to retrieve keyboard input, and * WM_MOUSEFIRST and WM_MOUSELAST to retrieve mouse input. * * WM_PAINT messages are not removed from the queue; they remain until * processed. Other messages are removed from the queue. * * RETURNS * * -1 on error, 0 if message is WM_QUIT, nonzero otherwise. * * CONFORMANCE * * ECMA-234, Win32 * */ BOOL WINAPI GetMessageW( MSG* lpmsg, /* buffer to receive message */ HWND hwnd, /* restrict to messages for hwnd */ UINT min, /* minimum message to receive */ UINT max /* maximum message to receive */ ) { BOOL bRet = GetMessageA(lpmsg, hwnd, min, max); if (bRet) FIXME_(sendmsg)("(%s) unicode<->ascii\n", SPY_GetMsgName(lpmsg->message)); return bRet; } /*********************************************************************** * PostMessage16 (USER.110) */ BOOL16 WINAPI PostMessage16( HWND16 hwnd, UINT16 message, WPARAM16 wParam, LPARAM lParam ) { return (BOOL16) PostMessageA( hwnd, message, wParam, lParam ); } /*********************************************************************** * PostMessage32A (USER32.419) */ BOOL WINAPI PostMessageA( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam ) { MSG msg; WND *wndPtr; BOOL retvalue; msg.hwnd = hwnd; msg.message = message; msg.wParam = wParam; msg.lParam = lParam; msg.time = GetTickCount(); msg.pt.x = 0; msg.pt.y = 0; #ifdef CONFIG_IPC if (DDE_PostMessage(&msg)) return TRUE; #endif /* CONFIG_IPC */ if (hwnd == HWND_BROADCAST) { WND *pDesktop = WIN_GetDesktop(); TRACE_(msg)("HWND_BROADCAST !\n"); for (wndPtr=WIN_LockWndPtr(pDesktop->child); wndPtr; WIN_UpdateWndPtr(&wndPtr,wndPtr->next)) { if (wndPtr->dwStyle & WS_POPUP || wndPtr->dwStyle & WS_CAPTION) { TRACE_(msg)("BROADCAST Message to hWnd=%04x m=%04X w=%04X l=%08lX !\n", wndPtr->hwndSelf, message, wParam, lParam); PostMessageA( wndPtr->hwndSelf, message, wParam, lParam ); } } WIN_ReleaseDesktop(); TRACE_(msg)("End of HWND_BROADCAST !\n"); return TRUE; } wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr || !wndPtr->hmemTaskQ) { retvalue = FALSE; goto END; } retvalue = QUEUE_AddMsg( wndPtr->hmemTaskQ, &msg, 0 ); END: WIN_ReleaseWndPtr(wndPtr); return retvalue; } /*********************************************************************** * PostMessage32W (USER32.420) */ BOOL WINAPI PostMessageW( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam ) { FIXME_(sendmsg)("(%s) unicode<->ascii\n", SPY_GetMsgName(message)); return PostMessageA( hwnd, message, wParam, lParam ); } /*********************************************************************** * PostAppMessage16 (USER.116) */ BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 message, WPARAM16 wParam, LPARAM lParam ) { MSG msg; if (GetTaskQueue16(hTask) == 0) return FALSE; msg.hwnd = 0; msg.message = message; msg.wParam = wParam; msg.lParam = lParam; msg.time = GetTickCount(); msg.pt.x = 0; msg.pt.y = 0; return QUEUE_AddMsg( GetTaskQueue16(hTask), &msg, 0 ); } /************************************************************************ * MSG_CallWndProcHook32 */ static void MSG_CallWndProcHook( LPMSG pmsg, BOOL bUnicode ) { CWPSTRUCT cwp; cwp.lParam = pmsg->lParam; cwp.wParam = pmsg->wParam; cwp.message = pmsg->message; cwp.hwnd = pmsg->hwnd; if (bUnicode) HOOK_CallHooksW(WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp); else HOOK_CallHooksA( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)&cwp ); pmsg->lParam = cwp.lParam; pmsg->wParam = cwp.wParam; pmsg->message = cwp.message; pmsg->hwnd = cwp.hwnd; } /*********************************************************************** * MSG_SendMessage * * return values: 0 if timeout occurs * 1 otherwise */ LRESULT MSG_SendMessage( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, DWORD timeout, WORD flags, LRESULT *pRes) { WND * wndPtr = 0; WND **list, **ppWnd; LRESULT ret = 1; *pRes = 0; if (hwnd == HWND_BROADCAST|| hwnd == HWND_TOPMOST) { *pRes = 1; if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL ))) { WIN_ReleaseDesktop(); return 1; } WIN_ReleaseDesktop(); TRACE_(msg)("HWND_BROADCAST !\n"); for (ppWnd = list; *ppWnd; ppWnd++) { WIN_UpdateWndPtr(&wndPtr,*ppWnd); if (!IsWindow(wndPtr->hwndSelf)) continue; if (wndPtr->dwStyle & WS_POPUP || wndPtr->dwStyle & WS_CAPTION) { TRACE_(msg)("BROADCAST Message to hWnd=%04x m=%04X w=%04lX l=%08lX !\n", wndPtr->hwndSelf, msg, (DWORD)wParam, lParam); MSG_SendMessage( wndPtr->hwndSelf, msg, wParam, lParam, timeout, flags, pRes); } } WIN_ReleaseWndPtr(wndPtr); WIN_ReleaseWinArray(list); TRACE_(msg)("End of HWND_BROADCAST !\n"); return 1; } if (HOOK_IsHooked( WH_CALLWNDPROC )) { if (flags & SMSG_UNICODE) MSG_CallWndProcHook( (LPMSG)&hwnd, TRUE); else if (flags & SMSG_WIN32) MSG_CallWndProcHook( (LPMSG)&hwnd, FALSE); else { LPCWPSTRUCT16 pmsg; if ((pmsg = SEGPTR_NEW(CWPSTRUCT16))) { pmsg->hwnd = hwnd & 0xffff; pmsg->message= msg & 0xffff; pmsg->wParam = wParam & 0xffff; pmsg->lParam = lParam; HOOK_CallHooks16( WH_CALLWNDPROC, HC_ACTION, 1, (LPARAM)SEGPTR_GET(pmsg) ); hwnd = pmsg->hwnd; msg = pmsg->message; wParam = pmsg->wParam; lParam = pmsg->lParam; SEGPTR_FREE( pmsg ); } } } if (!(wndPtr = WIN_FindWndPtr( hwnd ))) { WARN_(msg)("invalid hwnd %04x\n", hwnd ); return 0; } if (QUEUE_IsExitingQueue(wndPtr->hmemTaskQ)) { ret = 0; /* Don't send anything if the task is dying */ goto END; } if (flags & SMSG_WIN32) SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wParam, lParam ); else SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wParam, lParam ); if (wndPtr->hmemTaskQ != GetFastQueue16()) ret = MSG_SendMessageInterThread( wndPtr->hmemTaskQ, hwnd, msg, wParam, lParam, timeout, flags, pRes ); else { /* Call the right CallWindowProc flavor */ if (flags & SMSG_UNICODE) *pRes = CallWindowProcW( (WNDPROC)wndPtr->winproc, hwnd, msg, wParam, lParam ); else if (flags & SMSG_WIN32) *pRes = CallWindowProcA( (WNDPROC)wndPtr->winproc, hwnd, msg, wParam, lParam ); else *pRes = CallWindowProc16( (WNDPROC16)wndPtr->winproc, (HWND16) hwnd, (UINT16) msg, (WPARAM16) wParam, lParam ); } if (flags & SMSG_WIN32) SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, ret ); else SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, ret ); END: WIN_ReleaseWndPtr(wndPtr); return ret; } /*********************************************************************** * SendMessage16 (USER.111) */ LRESULT WINAPI SendMessage16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam) { LRESULT res; #ifdef CONFIG_IPC MSG16 DDE_msg = { hwnd, msg, wParam, lParam }; if (DDE_SendMessage(&DDE_msg)) return TRUE; #endif /* CONFIG_IPC */ MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, 0, &res); return res; } /********************************************************************** * PostThreadMessage32A (USER32.422) * * BUGS * * Thread-local message queues are not supported. * */ BOOL WINAPI PostThreadMessageA(DWORD idThread , UINT message, WPARAM wParam, LPARAM lParam ) { MSG msg; HQUEUE16 hQueue; if ((hQueue = GetThreadQueue16(idThread)) == 0) return FALSE; msg.hwnd = 0; msg.message = message; msg.wParam = wParam; msg.lParam = lParam; msg.time = GetTickCount(); msg.pt.x = 0; msg.pt.y = 0; return QUEUE_AddMsg( hQueue, &msg, 0 ); } /********************************************************************** * PostThreadMessage32W (USER32.423) * * BUGS * * Thread-local message queues are not supported. * */ BOOL WINAPI PostThreadMessageW(DWORD idThread , UINT message, WPARAM wParam, LPARAM lParam ) { FIXME_(sendmsg)("(%s) unicode<->ascii\n",SPY_GetMsgName(message)); return PostThreadMessageA(idThread, message, wParam, lParam); } /*********************************************************************** * SendMessage32A (USER32.454) */ LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam ) { LRESULT res; MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, SMSG_WIN32, &res); return res; } /*********************************************************************** * SendMessage32W (USER32.459) Send Window Message * * Sends a message to the window procedure of the specified window. * SendMessage() will not return until the called window procedure * either returns or calls ReplyMessage(). * * Use PostMessage() to send message and return immediately. A window * procedure may use InSendMessage() to detect * SendMessage()-originated messages. * * Applications which communicate via HWND_BROADCAST may use * RegisterWindowMessage() to obtain a unique message to avoid conflicts * with other applications. * * CONFORMANCE * * ECMA-234, Win32 */ LRESULT WINAPI SendMessageW( HWND hwnd, /* Window to send message to. If HWND_BROADCAST, the message will be sent to all top-level windows. */ UINT msg, /* message */ WPARAM wParam, /* message parameter */ LPARAM lParam /* additional message parameter */ ) { LRESULT res; MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, SMSG_WIN32 | SMSG_UNICODE, &res); return res; } /*********************************************************************** * SendMessageTimeout16 (not a WINAPI) */ LRESULT WINAPI SendMessageTimeout16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam, UINT16 flags, UINT16 timeout, LPWORD resultp) { LRESULT ret; LRESULT msgRet; /* FIXME: need support for SMTO_BLOCK */ ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout, 0, &msgRet); *resultp = (WORD) msgRet; return ret; } /*********************************************************************** * SendMessageTimeoutA (USER32.457) */ LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, UINT flags, UINT timeout, LPDWORD resultp) { LRESULT ret; LRESULT msgRet; /* FIXME: need support for SMTO_BLOCK */ ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout, SMSG_WIN32, &msgRet); *resultp = (DWORD) msgRet; return ret; } /*********************************************************************** * SendMessageTimeoutW (USER32.458) */ LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, UINT flags, UINT timeout, LPDWORD resultp) { LRESULT ret; LRESULT msgRet; /* FIXME: need support for SMTO_BLOCK */ ret = MSG_SendMessage(hwnd, msg, wParam, lParam, timeout, SMSG_WIN32 | SMSG_UNICODE, &msgRet); *resultp = (DWORD) msgRet; return ret; } /*********************************************************************** * WaitMessage (USER.112) (USER32.578) Suspend thread pending messages * * WaitMessage() suspends a thread until events appear in the thread's * queue. * * BUGS * * Is supposed to return BOOL under Win32. * * Thread-local message queues are not supported. * * CONFORMANCE * * ECMA-234, Win32 * */ void WINAPI WaitMessage( void ) { QUEUE_WaitBits( QS_ALLINPUT, INFINITE ); } /*********************************************************************** * MsgWaitForMultipleObjects (USER32.400) */ DWORD WINAPI MsgWaitForMultipleObjects( DWORD nCount, HANDLE *pHandles, BOOL fWaitAll, DWORD dwMilliseconds, DWORD dwWakeMask ) { DWORD i; HANDLE handles[MAXIMUM_WAIT_OBJECTS]; DWORD ret; HQUEUE16 hQueue = GetFastQueue16(); MESSAGEQUEUE *msgQueue = (MESSAGEQUEUE *)QUEUE_Lock( hQueue ); if (!msgQueue) return WAIT_FAILED; if (nCount > MAXIMUM_WAIT_OBJECTS-1) { SetLastError( ERROR_INVALID_PARAMETER ); QUEUE_Unlock( msgQueue ); return WAIT_FAILED; } msgQueue->changeBits = 0; msgQueue->wakeMask = dwWakeMask; if (THREAD_IsWin16(THREAD_Current())) { /* * This is a temporary solution to a big problem. * You see, the main thread of all Win32 programs is created as a 16 bit * task. This means that if you want on an event using Win32 synchronization * methods, the 16 bit scheduler is stopped and things might just stop happening. * This implements a semi-busy loop that checks the handles to wait on and * also the message queue. When either one is ready, the wait function returns. * * This will all go away when the real Win32 threads are implemented for all * the threads of an applications. Including the main thread. */ DWORD curTime = GetCurrentTime(); do { /* * Check the handles in the list. */ ret = WaitForMultipleObjects(nCount, pHandles, fWaitAll, 5L); /* * If the handles have been triggered, return. */ if (ret != WAIT_TIMEOUT) break; /* * Then, let the 16 bit scheduler do it's thing. */ Yield16(); /* * If a message matching the wait mask has arrived, return. */ if (msgQueue->changeBits & dwWakeMask) { ret = nCount; break; } /* * And continue doing this until we hit the timeout. */ } while ((dwMilliseconds == INFINITE) || (GetCurrentTime()-curTime < dwMilliseconds) ); } else { /* Add the thread event to the handle list */ for (i = 0; i < nCount; i++) handles[i] = pHandles[i]; handles[nCount] = msgQueue->hEvent; ret = WaitForMultipleObjects( nCount+1, handles, fWaitAll, dwMilliseconds ); } QUEUE_Unlock( msgQueue ); return ret; } struct accent_char { BYTE ac_accent; BYTE ac_char; BYTE ac_result; }; static const struct accent_char accent_chars[] = { /* A good idea should be to read /usr/X11/lib/X11/locale/iso8859-x/Compose */ {'`', 'A', '\300'}, {'`', 'a', '\340'}, {'\'', 'A', '\301'}, {'\'', 'a', '\341'}, {'^', 'A', '\302'}, {'^', 'a', '\342'}, {'~', 'A', '\303'}, {'~', 'a', '\343'}, {'"', 'A', '\304'}, {'"', 'a', '\344'}, {'O', 'A', '\305'}, {'o', 'a', '\345'}, {'0', 'A', '\305'}, {'0', 'a', '\345'}, {'A', 'A', '\305'}, {'a', 'a', '\345'}, {'A', 'E', '\306'}, {'a', 'e', '\346'}, {',', 'C', '\307'}, {',', 'c', '\347'}, {'`', 'E', '\310'}, {'`', 'e', '\350'}, {'\'', 'E', '\311'}, {'\'', 'e', '\351'}, {'^', 'E', '\312'}, {'^', 'e', '\352'}, {'"', 'E', '\313'}, {'"', 'e', '\353'}, {'`', 'I', '\314'}, {'`', 'i', '\354'}, {'\'', 'I', '\315'}, {'\'', 'i', '\355'}, {'^', 'I', '\316'}, {'^', 'i', '\356'}, {'"', 'I', '\317'}, {'"', 'i', '\357'}, {'-', 'D', '\320'}, {'-', 'd', '\360'}, {'~', 'N', '\321'}, {'~', 'n', '\361'}, {'`', 'O', '\322'}, {'`', 'o', '\362'}, {'\'', 'O', '\323'}, {'\'', 'o', '\363'}, {'^', 'O', '\324'}, {'^', 'o', '\364'}, {'~', 'O', '\325'}, {'~', 'o', '\365'}, {'"', 'O', '\326'}, {'"', 'o', '\366'}, {'/', 'O', '\330'}, {'/', 'o', '\370'}, {'`', 'U', '\331'}, {'`', 'u', '\371'}, {'\'', 'U', '\332'}, {'\'', 'u', '\372'}, {'^', 'U', '\333'}, {'^', 'u', '\373'}, {'"', 'U', '\334'}, {'"', 'u', '\374'}, {'\'', 'Y', '\335'}, {'\'', 'y', '\375'}, {'T', 'H', '\336'}, {'t', 'h', '\376'}, {'s', 's', '\337'}, {'"', 'y', '\377'}, {'s', 'z', '\337'}, {'i', 'j', '\377'}, /* iso-8859-2 uses this */ {'<', 'L', '\245'}, {'<', 'l', '\265'}, /* caron */ {'<', 'S', '\251'}, {'<', 's', '\271'}, {'<', 'T', '\253'}, {'<', 't', '\273'}, {'<', 'Z', '\256'}, {'<', 'z', '\276'}, {'<', 'C', '\310'}, {'<', 'c', '\350'}, {'<', 'E', '\314'}, {'<', 'e', '\354'}, {'<', 'D', '\317'}, {'<', 'd', '\357'}, {'<', 'N', '\322'}, {'<', 'n', '\362'}, {'<', 'R', '\330'}, {'<', 'r', '\370'}, {';', 'A', '\241'}, {';', 'a', '\261'}, /* ogonek */ {';', 'E', '\312'}, {';', 'e', '\332'}, {'\'', 'Z', '\254'}, {'\'', 'z', '\274'}, /* acute */ {'\'', 'R', '\300'}, {'\'', 'r', '\340'}, {'\'', 'L', '\305'}, {'\'', 'l', '\345'}, {'\'', 'C', '\306'}, {'\'', 'c', '\346'}, {'\'', 'N', '\321'}, {'\'', 'n', '\361'}, /* collision whith S, from iso-8859-9 !!! */ {',', 'S', '\252'}, {',', 's', '\272'}, /* cedilla */ {',', 'T', '\336'}, {',', 't', '\376'}, {'.', 'Z', '\257'}, {'.', 'z', '\277'}, /* dot above */ {'/', 'L', '\243'}, {'/', 'l', '\263'}, /* slash */ {'/', 'D', '\320'}, {'/', 'd', '\360'}, {'(', 'A', '\303'}, {'(', 'a', '\343'}, /* breve */ {'\275', 'O', '\325'}, {'\275', 'o', '\365'}, /* double acute */ {'\275', 'U', '\334'}, {'\275', 'u', '\374'}, {'0', 'U', '\332'}, {'0', 'u', '\372'}, /* ring above */ /* iso-8859-3 uses this */ {'/', 'H', '\241'}, {'/', 'h', '\261'}, /* slash */ {'>', 'H', '\246'}, {'>', 'h', '\266'}, /* circumflex */ {'>', 'J', '\254'}, {'>', 'j', '\274'}, {'>', 'C', '\306'}, {'>', 'c', '\346'}, {'>', 'G', '\330'}, {'>', 'g', '\370'}, {'>', 'S', '\336'}, {'>', 's', '\376'}, /* collision whith G( from iso-8859-9 !!! */ {'(', 'G', '\253'}, {'(', 'g', '\273'}, /* breve */ {'(', 'U', '\335'}, {'(', 'u', '\375'}, /* collision whith I. from iso-8859-3 !!! */ {'.', 'I', '\251'}, {'.', 'i', '\271'}, /* dot above */ {'.', 'C', '\305'}, {'.', 'c', '\345'}, {'.', 'G', '\325'}, {'.', 'g', '\365'}, /* iso-8859-4 uses this */ {',', 'R', '\243'}, {',', 'r', '\263'}, /* cedilla */ {',', 'L', '\246'}, {',', 'l', '\266'}, {',', 'G', '\253'}, {',', 'g', '\273'}, {',', 'N', '\321'}, {',', 'n', '\361'}, {',', 'K', '\323'}, {',', 'k', '\363'}, {'~', 'I', '\245'}, {'~', 'i', '\265'}, /* tilde */ {'-', 'E', '\252'}, {'-', 'e', '\272'}, /* macron */ {'-', 'A', '\300'}, {'-', 'a', '\340'}, {'-', 'I', '\317'}, {'-', 'i', '\357'}, {'-', 'O', '\322'}, {'-', 'o', '\362'}, {'-', 'U', '\336'}, {'-', 'u', '\376'}, {'/', 'T', '\254'}, {'/', 't', '\274'}, /* slash */ {'.', 'E', '\314'}, {'.', 'e', '\344'}, /* dot above */ {';', 'I', '\307'}, {';', 'i', '\347'}, /* ogonek */ {';', 'U', '\331'}, {';', 'u', '\371'}, /* iso-8859-9 uses this */ /* iso-8859-9 has really bad choosen G( S, and I. as they collide * whith the same letters on other iso-8859-x (that is they are on * different places :-( ), if you use turkish uncomment these and * comment out the lines in iso-8859-2 and iso-8859-3 sections * FIXME: should be dynamic according to chosen language * if/when Wine has turkish support. */ /* collision whith G( from iso-8859-3 !!! */ /* {'(', 'G', '\320'}, {'(', 'g', '\360'}, */ /* breve */ /* collision whith S, from iso-8859-2 !!! */ /* {',', 'S', '\336'}, {',', 's', '\376'}, */ /* cedilla */ /* collision whith I. from iso-8859-3 !!! */ /* {'.', 'I', '\335'}, {'.', 'i', '\375'}, */ /* dot above */ }; /*********************************************************************** * MSG_DoTranslateMessage * * Implementation of TranslateMessage. * * TranslateMessage translates virtual-key messages into character-messages, * as follows : * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message. * ditto replacing WM_* with WM_SYS* * This produces WM_CHAR messages only for keys mapped to ASCII characters * by the keyboard driver. */ static BOOL MSG_DoTranslateMessage( UINT message, HWND hwnd, WPARAM wParam, LPARAM lParam ) { static int dead_char; BYTE wp[2]; if (message != WM_MOUSEMOVE && message != WM_TIMER) TRACE_(msg)("(%s, %04X, %08lX)\n", SPY_GetMsgName(message), wParam, lParam ); if(message >= WM_KEYFIRST && message <= WM_KEYLAST) TRACE_(key)("(%s, %04X, %08lX)\n", SPY_GetMsgName(message), wParam, lParam ); if ((message != WM_KEYDOWN) && (message != WM_SYSKEYDOWN)) return FALSE; TRACE_(key)("Translating key %04X, scancode %04X\n", wParam, HIWORD(lParam) ); /* FIXME : should handle ToAscii yielding 2 */ switch (ToAscii(wParam, HIWORD(lParam), QueueKeyStateTable,(LPWORD)wp, 0)) { case 1 : message = (message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR; /* Should dead chars handling go in ToAscii ? */ if (dead_char) { int i; if (wp[0] == ' ') wp[0] = dead_char; if (dead_char == 0xa2) dead_char = '('; else if (dead_char == 0xa8) dead_char = '"'; else if (dead_char == 0xb2) dead_char = ';'; else if (dead_char == 0xb4) dead_char = '\''; else if (dead_char == 0xb7) dead_char = '<'; else if (dead_char == 0xb8) dead_char = ','; else if (dead_char == 0xff) dead_char = '.'; for (i = 0; i < sizeof(accent_chars)/sizeof(accent_chars[0]); i++) if ((accent_chars[i].ac_accent == dead_char) && (accent_chars[i].ac_char == wp[0])) { wp[0] = accent_chars[i].ac_result; break; } dead_char = 0; } TRACE_(key)("1 -> PostMessage(%s)\n", SPY_GetMsgName(message)); PostMessage16( hwnd, message, wp[0], lParam ); return TRUE; case -1 : message = (message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR; dead_char = wp[0]; TRACE_(key)("-1 -> PostMessage(%s)\n", SPY_GetMsgName(message)); PostMessage16( hwnd, message, wp[0], lParam ); return TRUE; } return FALSE; } /*********************************************************************** * TranslateMessage16 (USER.113) */ BOOL16 WINAPI TranslateMessage16( const MSG16 *msg ) { return MSG_DoTranslateMessage( msg->message, msg->hwnd, msg->wParam, msg->lParam ); } /*********************************************************************** * WIN16_TranslateMessage32 (USER.821) */ BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh ) { WPARAM wParam; if (wHaveParamHigh) wParam = MAKELONG(msg->msg.wParam, msg->wParamHigh); else wParam = (WPARAM)msg->msg.wParam; return MSG_DoTranslateMessage( msg->msg.message, msg->msg.hwnd, wParam, msg->msg.lParam ); } /*********************************************************************** * TranslateMessage32 (USER32.556) */ BOOL WINAPI TranslateMessage( const MSG *msg ) { return MSG_DoTranslateMessage( msg->message, msg->hwnd, msg->wParam, msg->lParam ); } /*********************************************************************** * DispatchMessage16 (USER.114) */ LONG WINAPI DispatchMessage16( const MSG16* msg ) { WND * wndPtr; LONG retval; int painting; /* Process timer messages */ if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER)) { if (msg->lParam) { return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd, msg->message, msg->wParam, GetTickCount() ); } } if (!msg->hwnd) return 0; if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0; if (!wndPtr->winproc) { retval = 0; goto END; } painting = (msg->message == WM_PAINT); if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT; SPY_EnterMessage( SPY_DISPATCHMESSAGE16, msg->hwnd, msg->message, msg->wParam, msg->lParam ); retval = CallWindowProc16( (WNDPROC16)wndPtr->winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam ); SPY_ExitMessage( SPY_RESULT_OK16, msg->hwnd, msg->message, retval ); WIN_ReleaseWndPtr(wndPtr); wndPtr = WIN_FindWndPtr(msg->hwnd); if (painting && wndPtr && (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate) { ERR_(msg)("BeginPaint not called on WM_PAINT for hwnd %04x!\n", msg->hwnd); wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT; /* Validate the update region to avoid infinite WM_PAINT loop */ ValidateRect( msg->hwnd, NULL ); } END: WIN_ReleaseWndPtr(wndPtr); return retval; } /*********************************************************************** * WIN16_DispatchMessage32 (USER.822) */ LONG WINAPI DispatchMessage32_16( const MSG32_16* lpmsg16_32, BOOL16 wHaveParamHigh ) { if (wHaveParamHigh == FALSE) return DispatchMessage16(&(lpmsg16_32->msg)); else { MSG msg; msg.hwnd = lpmsg16_32->msg.hwnd; msg.message = lpmsg16_32->msg.message; msg.wParam = MAKELONG(lpmsg16_32->msg.wParam, lpmsg16_32->wParamHigh); msg.lParam = lpmsg16_32->msg.lParam; msg.time = lpmsg16_32->msg.time; msg.pt.x = (INT)lpmsg16_32->msg.pt.x; msg.pt.y = (INT)lpmsg16_32->msg.pt.y; return DispatchMessageA(&msg); } } /*********************************************************************** * DispatchMessage32A (USER32.141) */ LONG WINAPI DispatchMessageA( const MSG* msg ) { WND * wndPtr; LONG retval; int painting; /* Process timer messages */ if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER)) { if (msg->lParam) { /* HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */ return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd, msg->message, msg->wParam, GetTickCount() ); } } if (!msg->hwnd) return 0; if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0; if (!wndPtr->winproc) { retval = 0; goto END; } painting = (msg->message == WM_PAINT); if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT; /* HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */ SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message, msg->wParam, msg->lParam ); retval = CallWindowProcA( (WNDPROC)wndPtr->winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam ); SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval ); WIN_ReleaseWndPtr(wndPtr); wndPtr = WIN_FindWndPtr(msg->hwnd); if (painting && wndPtr && (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate) { ERR_(msg)("BeginPaint not called on WM_PAINT for hwnd %04x!\n", msg->hwnd); wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT; /* Validate the update region to avoid infinite WM_PAINT loop */ ValidateRect( msg->hwnd, NULL ); } END: WIN_ReleaseWndPtr(wndPtr); return retval; } /*********************************************************************** * DispatchMessage32W (USER32.142) Process Message * * Process the message specified in the structure *_msg_. * * If the lpMsg parameter points to a WM_TIMER message and the * parameter of the WM_TIMER message is not NULL, the lParam parameter * points to the function that is called instead of the window * procedure. * * The message must be valid. * * RETURNS * * DispatchMessage() returns the result of the window procedure invoked. * * CONFORMANCE * * ECMA-234, Win32 * */ LONG WINAPI DispatchMessageW( const MSG* msg ) { WND * wndPtr; LONG retval; int painting; /* Process timer messages */ if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER)) { if (msg->lParam) { /* HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */ return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd, msg->message, msg->wParam, GetTickCount() ); } } if (!msg->hwnd) return 0; if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0; if (!wndPtr->winproc) { retval = 0; goto END; } painting = (msg->message == WM_PAINT); if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT; /* HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */ SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message, msg->wParam, msg->lParam ); retval = CallWindowProcW( (WNDPROC)wndPtr->winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam ); SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval ); WIN_ReleaseWndPtr(wndPtr); wndPtr = WIN_FindWndPtr(msg->hwnd); if (painting && wndPtr && (wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate) { ERR_(msg)("BeginPaint not called on WM_PAINT for hwnd %04x!\n", msg->hwnd); wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT; /* Validate the update region to avoid infinite WM_PAINT loop */ ValidateRect( msg->hwnd, NULL ); } END: WIN_ReleaseWndPtr(wndPtr); return retval; } /*********************************************************************** * RegisterWindowMessage16 (USER.118) */ WORD WINAPI RegisterWindowMessage16( SEGPTR str ) { TRACE_(msg)("%08lx\n", (DWORD)str ); return GlobalAddAtom16( str ); } /*********************************************************************** * RegisterWindowMessage32A (USER32.437) */ WORD WINAPI RegisterWindowMessageA( LPCSTR str ) { TRACE_(msg)("%s\n", str ); return GlobalAddAtomA( str ); } /*********************************************************************** * RegisterWindowMessage32W (USER32.438) */ WORD WINAPI RegisterWindowMessageW( LPCWSTR str ) { TRACE_(msg)("%p\n", str ); return GlobalAddAtomW( str ); } /*********************************************************************** * GetTickCount (USER.13) (KERNEL32.299) System Time * Returns the number of milliseconds, modulo 2^32, since the start * of the current session. * * CONFORMANCE * * ECMA-234, Win32 */ DWORD WINAPI GetTickCount(void) { struct timeval t; gettimeofday( &t, NULL ); /* make extremely compatible: granularity is 25 msec */ return ((t.tv_sec * 1000) + (t.tv_usec / 25000) * 25) - MSG_WineStartTicks; } /*********************************************************************** * GetCurrentTime16 (USER.15) * * (effectively identical to GetTickCount) */ DWORD WINAPI GetCurrentTime16(void) { return GetTickCount(); } /*********************************************************************** * InSendMessage16 (USER.192) */ BOOL16 WINAPI InSendMessage16(void) { return InSendMessage(); } /*********************************************************************** * InSendMessage32 (USER32.320) */ BOOL WINAPI InSendMessage(void) { MESSAGEQUEUE *queue; BOOL ret; if (!(queue = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() ))) return 0; ret = (BOOL)queue->smWaiting; QUEUE_Unlock( queue ); return ret; } /*********************************************************************** * BroadcastSystemMessage (USER32.12) */ LONG WINAPI BroadcastSystemMessage( DWORD dwFlags,LPDWORD recipients,UINT uMessage,WPARAM wParam, LPARAM lParam ) { FIXME_(sendmsg)("(%08lx,%08lx,%08x,%08x,%08lx): stub!\n", dwFlags,*recipients,uMessage,wParam,lParam ); return 0; } /*********************************************************************** * SendNotifyMessageA (USER32.460) * FIXME * The message sended with PostMessage has to be put in the queue * with a higher priority as the other "Posted" messages. * QUEUE_AddMsg has to be modifyed. */ BOOL WINAPI SendNotifyMessageA(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam) { BOOL ret = TRUE; FIXME_(msg)("(%04x,%08x,%08x,%08lx) not complete\n", hwnd, msg, wParam, lParam); if ( GetCurrentThreadId() == GetWindowThreadProcessId ( hwnd, NULL)) { ret=SendMessageA ( hwnd, msg, wParam, lParam ); } else { PostMessageA ( hwnd, msg, wParam, lParam ); } return ret; } /*********************************************************************** * SendNotifyMessageW (USER32.461) * FIXME * The message sended with PostMessage has to be put in the queue * with a higher priority as the other "Posted" messages. * QUEUE_AddMsg has to be modifyed. */ BOOL WINAPI SendNotifyMessageW(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam) { BOOL ret = TRUE; FIXME_(msg)("(%04x,%08x,%08x,%08lx) not complete\n", hwnd, msg, wParam, lParam); if ( GetCurrentThreadId() == GetWindowThreadProcessId ( hwnd, NULL)) { ret=SendMessageW ( hwnd, msg, wParam, lParam ); } else { PostMessageW ( hwnd, msg, wParam, lParam ); } return ret; } /*********************************************************************** * SendMessageCallback32A * FIXME: It's like PostMessage. The callback gets called when the message * is processed. We have to modify the message processing for a exact * implementation... */ BOOL WINAPI SendMessageCallbackA( HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam, FARPROC lpResultCallBack,DWORD dwData) { FIXME_(msg)("(0x%04x,0x%04x,0x%08x,0x%08lx,%p,0x%08lx),stub!\n", hWnd,Msg,wParam,lParam,lpResultCallBack,dwData); if ( hWnd == HWND_BROADCAST) { PostMessageA( hWnd, Msg, wParam, lParam); FIXME_(msg)("Broadcast: Callback will not be called!\n"); return TRUE; } (lpResultCallBack)( hWnd, Msg, dwData, SendMessageA ( hWnd, Msg, wParam, lParam )); return TRUE; } /*********************************************************************** * SendMessageCallback32W * FIXME: It's like PostMessage. The callback gets called when the message * is processed. We have to modify the message processing for a exact * implementation... */ BOOL WINAPI SendMessageCallbackW( HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam, FARPROC lpResultCallBack,DWORD dwData) { FIXME_(msg)("(0x%04x,0x%04x,0x%08x,0x%08lx,%p,0x%08lx),stub!\n", hWnd,Msg,wParam,lParam,lpResultCallBack,dwData); if ( hWnd == HWND_BROADCAST) { PostMessageW( hWnd, Msg, wParam, lParam); FIXME_(msg)("Broadcast: Callback will not be called!\n"); return TRUE; } (lpResultCallBack)( hWnd, Msg, dwData, SendMessageA ( hWnd, Msg, wParam, lParam )); return TRUE; }