| /* |
| * Message queues related functions |
| * |
| * Copyright 1993 Alexandre Julliard |
| */ |
| |
| /* |
| * This code assumes that there is only one Windows task (hence |
| * one message queue). |
| */ |
| |
| static char Copyright[] = "Copyright Alexandre Julliard, 1993"; |
| |
| #include <stdlib.h> |
| #include <sys/time.h> |
| #include <sys/types.h> |
| |
| #include "message.h" |
| #include "win.h" |
| #include "wineopts.h" |
| #include "sysmetrics.h" |
| #include "hook.h" |
| |
| #define MAX_QUEUE_SIZE 120 /* Max. size of a message queue */ |
| |
| |
| extern BOOL TIMER_CheckTimer( LONG *next, MSG *msg, |
| HWND hwnd, BOOL remove ); /* timer.c */ |
| extern void EVENT_ProcessEvent( XEvent *event ); /* event.c */ |
| extern void WINPOS_ChangeActiveWindow( HWND hwnd, BOOL mouseMsg ); /*winpos.c*/ |
| extern void WIN_SendParentNotify( HWND hwnd, WORD event, |
| LONG lParam ); /* win.c */ |
| |
| extern Display * display; |
| |
| /* System message queue (for hardware events) */ |
| static HANDLE hmemSysMsgQueue = 0; |
| static MESSAGEQUEUE * sysMsgQueue = NULL; |
| |
| /* Application message queue (should be a list, one queue per task) */ |
| static HANDLE hmemAppMsgQueue = 0; |
| static MESSAGEQUEUE * appMsgQueue = NULL; |
| |
| /* Double-click time */ |
| static int doubleClickSpeed = 452; |
| |
| |
| /*********************************************************************** |
| * MSG_CreateMsgQueue |
| * |
| * Create a message queue. |
| */ |
| static HANDLE MSG_CreateMsgQueue( int size ) |
| { |
| HANDLE hQueue; |
| MESSAGEQUEUE * msgQueue; |
| int queueSize; |
| |
| queueSize = sizeof(MESSAGEQUEUE) + size * sizeof(QMSG); |
| if (!(hQueue = GlobalAlloc( GMEM_FIXED, queueSize ))) return 0; |
| msgQueue = (MESSAGEQUEUE *) GlobalLock( hQueue ); |
| msgQueue->next = 0; |
| msgQueue->hTask = 0; |
| msgQueue->msgSize = sizeof(QMSG); |
| msgQueue->msgCount = 0; |
| msgQueue->nextMessage = 0; |
| msgQueue->nextFreeMessage = 0; |
| msgQueue->queueSize = size; |
| msgQueue->GetMessageTimeVal = 0; |
| msgQueue->GetMessagePosVal = 0; |
| msgQueue->GetMessageExtraInfoVal = 0; |
| msgQueue->lParam = 0; |
| msgQueue->wParam = 0; |
| msgQueue->msg = 0; |
| msgQueue->hWnd = 0; |
| msgQueue->wPostQMsg = 0; |
| msgQueue->wExitCode = 0; |
| msgQueue->InSendMessageHandle = 0; |
| msgQueue->wPaintCount = 0; |
| msgQueue->wTimerCount = 0; |
| msgQueue->tempStatus = 0; |
| msgQueue->status = 0; |
| GlobalUnlock( hQueue ); |
| return hQueue; |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_CreateSysMsgQueue |
| * |
| * Create the system message queue, and set the double-click speed. |
| * Must be called only once. |
| */ |
| BOOL MSG_CreateSysMsgQueue( int size ) |
| { |
| if (size > MAX_QUEUE_SIZE) size = MAX_QUEUE_SIZE; |
| else if (size <= 0) size = 1; |
| if (!(hmemSysMsgQueue = MSG_CreateMsgQueue( size ))) return FALSE; |
| sysMsgQueue = (MESSAGEQUEUE *) GlobalLock( hmemSysMsgQueue ); |
| doubleClickSpeed = GetProfileInt( "windows", "DoubleClickSpeed", 452 ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_AddMsg |
| * |
| * Add a message to the queue. Return FALSE if queue is full. |
| */ |
| static int MSG_AddMsg( MESSAGEQUEUE * msgQueue, MSG * msg, DWORD extraInfo ) |
| { |
| int pos; |
| |
| if (!msgQueue) return FALSE; |
| pos = msgQueue->nextFreeMessage; |
| |
| /* Check if queue is full */ |
| if ((pos == msgQueue->nextMessage) && (msgQueue->msgCount > 0)) |
| return FALSE; |
| |
| /* Store message */ |
| msgQueue->messages[pos].msg = *msg; |
| msgQueue->messages[pos].extraInfo = extraInfo; |
| if (pos < msgQueue->queueSize-1) pos++; |
| else pos = 0; |
| msgQueue->nextFreeMessage = pos; |
| msgQueue->msgCount++; |
| msgQueue->status |= QS_POSTMESSAGE; |
| msgQueue->tempStatus |= QS_POSTMESSAGE; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_FindMsg |
| * |
| * Find a message matching the given parameters. Return -1 if none available. |
| */ |
| static int MSG_FindMsg(MESSAGEQUEUE * msgQueue, HWND hwnd, int first, int last) |
| { |
| int i, pos = msgQueue->nextMessage; |
| |
| if (!msgQueue->msgCount) return -1; |
| if (!hwnd && !first && !last) return pos; |
| |
| for (i = 0; i < msgQueue->msgCount; i++) |
| { |
| MSG * msg = &msgQueue->messages[pos].msg; |
| |
| if (!hwnd || (msg->hwnd == hwnd)) |
| { |
| if (!first && !last) return pos; |
| if ((msg->message >= first) && (msg->message <= last)) return pos; |
| } |
| if (pos < msgQueue->queueSize-1) pos++; |
| else pos = 0; |
| } |
| return -1; |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_RemoveMsg |
| * |
| * Remove a message from the queue (pos must be a valid position). |
| */ |
| static void MSG_RemoveMsg( MESSAGEQUEUE * msgQueue, int pos ) |
| { |
| if (pos >= msgQueue->nextMessage) |
| { |
| for ( ; pos > msgQueue->nextMessage; pos--) |
| msgQueue->messages[pos] = msgQueue->messages[pos-1]; |
| msgQueue->nextMessage++; |
| if (msgQueue->nextMessage >= msgQueue->queueSize) |
| msgQueue->nextMessage = 0; |
| } |
| else |
| { |
| for ( ; pos < msgQueue->nextFreeMessage; pos++) |
| msgQueue->messages[pos] = msgQueue->messages[pos+1]; |
| if (msgQueue->nextFreeMessage) msgQueue->nextFreeMessage--; |
| else msgQueue->nextFreeMessage = msgQueue->queueSize-1; |
| } |
| msgQueue->msgCount--; |
| if (!msgQueue->msgCount) msgQueue->status &= ~QS_POSTMESSAGE; |
| msgQueue->tempStatus = 0; |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_TranslateMouseMsg |
| * |
| * Translate an mouse hardware event into a real mouse message. |
| * Return value indicates whether the translated message must be passed |
| * to the user. |
| * Actions performed: |
| * - Translate button-down messages in double-clicks. |
| * - Send the WM_NCHITTEST message to find where the cursor is. |
| * - Activate the window if needed. |
| * - Translate the message into a non-client message, or translate |
| * the coordinates to client coordinates. |
| * - Send the WM_SETCURSOR message. |
| */ |
| static BOOL MSG_TranslateMouseMsg( MSG *msg ) |
| { |
| BOOL eatMsg = FALSE; |
| static DWORD lastClickTime = 0; |
| static WORD lastClickMsg = 0; |
| static POINT lastClickPos = { 0, 0 }; |
| |
| BOOL mouseClick = ((msg->message == WM_LBUTTONDOWN) || |
| (msg->message == WM_RBUTTONDOWN) || |
| (msg->message == WM_MBUTTONDOWN)); |
| |
| /* Send the WM_NCHITTEST message */ |
| |
| LONG hittest_result = SendMessage( msg->hwnd, WM_NCHITTEST, 0, |
| MAKELONG( msg->pt.x, msg->pt.y ) ); |
| |
| /* Send the WM_PARENTNOTIFY message */ |
| |
| if (mouseClick) WIN_SendParentNotify( msg->hwnd, msg->message, |
| MAKELONG( msg->pt.x, msg->pt.y ) ); |
| |
| /* Activate the window if needed */ |
| |
| if (mouseClick) |
| { |
| HWND parent, hwndTop = msg->hwnd; |
| while ((parent = GetParent(hwndTop)) != 0) hwndTop = parent; |
| if (hwndTop != GetActiveWindow()) |
| { |
| LONG ret = SendMessage( msg->hwnd, WM_MOUSEACTIVATE, hwndTop, |
| MAKELONG( hittest_result, msg->message ) ); |
| if ((ret == MA_ACTIVATEANDEAT) || (ret == MA_NOACTIVATEANDEAT)) |
| eatMsg = TRUE; |
| if ((ret == MA_ACTIVATE) || (ret == MA_ACTIVATEANDEAT)) |
| { |
| SetWindowPos( hwndTop, HWND_TOP, 0, 0, 0, 0, |
| SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE ); |
| WINPOS_ChangeActiveWindow( hwndTop, TRUE ); |
| } |
| } |
| } |
| |
| /* Send the WM_SETCURSOR message */ |
| |
| SendMessage( msg->hwnd, WM_SETCURSOR, msg->hwnd, |
| MAKELONG( hittest_result, msg->message )); |
| if (eatMsg) return FALSE; |
| |
| /* Check for double-click */ |
| |
| if (mouseClick) |
| { |
| BOOL dbl_click = FALSE; |
| |
| if ((msg->message == lastClickMsg) && |
| (msg->time - lastClickTime < doubleClickSpeed) && |
| (abs(msg->pt.x - lastClickPos.x) < SYSMETRICS_CXDOUBLECLK/2) && |
| (abs(msg->pt.y - lastClickPos.y) < SYSMETRICS_CYDOUBLECLK/2)) |
| dbl_click = TRUE; |
| |
| if (dbl_click && (hittest_result == HTCLIENT)) |
| { |
| /* Check whether window wants the double click message. */ |
| WND * wndPtr = WIN_FindWndPtr( msg->hwnd ); |
| if (!wndPtr || !(wndPtr->flags & WIN_DOUBLE_CLICKS)) |
| dbl_click = FALSE; |
| } |
| |
| if (dbl_click) switch(msg->message) |
| { |
| case WM_LBUTTONDOWN: msg->message = WM_LBUTTONDBLCLK; break; |
| case WM_RBUTTONDOWN: msg->message = WM_RBUTTONDBLCLK; break; |
| case WM_MBUTTONDOWN: msg->message = WM_MBUTTONDBLCLK; break; |
| } |
| |
| lastClickTime = msg->time; |
| lastClickMsg = msg->message; |
| lastClickPos = msg->pt; |
| } |
| |
| /* Build the translated message */ |
| |
| msg->lParam = MAKELONG( msg->pt.x, msg->pt.y ); |
| if (hittest_result == HTCLIENT) |
| { |
| ScreenToClient( msg->hwnd, (LPPOINT)&msg->lParam ); |
| } |
| else |
| { |
| msg->wParam = hittest_result; |
| msg->message += WM_NCLBUTTONDOWN - WM_LBUTTONDOWN; |
| } |
| |
| return TRUE; |
| } |
| |
| |
| /********************************************************************** |
| * SetDoubleClickTime (USER.20) |
| */ |
| void SetDoubleClickTime( WORD interval ) |
| { |
| if (interval == 0) |
| doubleClickSpeed = 500; |
| else |
| doubleClickSpeed = interval; |
| } |
| |
| |
| /********************************************************************** |
| * GetDoubleClickTime (USER.21) |
| */ |
| WORD GetDoubleClickTime() |
| { |
| return (WORD)doubleClickSpeed; |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_IncPaintCount |
| */ |
| void MSG_IncPaintCount( HANDLE hQueue ) |
| { |
| if (hQueue != hmemAppMsgQueue) return; |
| appMsgQueue->wPaintCount++; |
| appMsgQueue->status |= QS_PAINT; |
| appMsgQueue->tempStatus |= QS_PAINT; |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_DecPaintCount |
| */ |
| void MSG_DecPaintCount( HANDLE hQueue ) |
| { |
| if (hQueue != hmemAppMsgQueue) return; |
| appMsgQueue->wPaintCount--; |
| if (!appMsgQueue->wPaintCount) appMsgQueue->status &= ~QS_PAINT; |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_IncTimerCount |
| */ |
| void MSG_IncTimerCount( HANDLE hQueue ) |
| { |
| if (hQueue != hmemAppMsgQueue) return; |
| appMsgQueue->wTimerCount++; |
| appMsgQueue->status |= QS_TIMER; |
| appMsgQueue->tempStatus |= QS_TIMER; |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_DecTimerCount |
| */ |
| void MSG_DecTimerCount( HANDLE hQueue ) |
| { |
| if (hQueue != hmemAppMsgQueue) return; |
| appMsgQueue->wTimerCount--; |
| if (!appMsgQueue->wTimerCount) appMsgQueue->status &= ~QS_TIMER; |
| } |
| |
| |
| /*********************************************************************** |
| * hardware_event |
| * |
| * Add an event to the system message queue. |
| * Note: the position is relative to the desktop window. |
| */ |
| void hardware_event( WORD message, WORD wParam, LONG lParam, |
| int xPos, int yPos, DWORD time, DWORD extraInfo ) |
| { |
| MSG msg; |
| |
| msg.hwnd = 0; |
| msg.message = message; |
| msg.wParam = wParam; |
| msg.lParam = lParam; |
| msg.time = time; |
| msg.pt.x = xPos & 0xffff; |
| msg.pt.y = yPos & 0xffff; |
| |
| /* Determine the hwnd for this message */ |
| /* Maybe this should be done in GetMessage() */ |
| |
| if ((message >= WM_MOUSEFIRST) && (message <= WM_MOUSELAST)) |
| { |
| /* Mouse event */ |
| if (GetCapture()) msg.hwnd = GetCapture(); |
| else msg.hwnd = WindowFromPoint( msg.pt ); |
| } |
| else if ((message >= WM_KEYFIRST) && (message <= WM_KEYLAST)) |
| { |
| /* Keyboard event */ |
| msg.hwnd = GetFocus(); |
| if (!msg.hwnd && ((message==WM_KEYDOWN) || (message==WM_SYSKEYDOWN))) |
| MessageBeep(0); /* Beep on key press if no focus */ |
| } |
| if (!msg.hwnd) return; /* No window for this message */ |
| |
| /* Merge with previous event if possible */ |
| |
| if (sysMsgQueue->msgCount && (message == WM_MOUSEMOVE)) |
| { |
| MSG *prevMsg = &sysMsgQueue->messages[sysMsgQueue->nextMessage].msg; |
| if ((prevMsg->message == message) && (prevMsg->wParam == wParam)) |
| { |
| *prevMsg = msg; /* Overwrite previous message */ |
| return; |
| } |
| } |
| |
| if (!MSG_AddMsg( sysMsgQueue, &msg, extraInfo )) |
| printf( "hardware_event: Queue is full\n" ); |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_GetHardwareMessage |
| * |
| * Like GetMessage(), but only return mouse and keyboard events. |
| * Used internally for window moving and resizing. Mouse messages |
| * are not translated. |
| */ |
| BOOL MSG_GetHardwareMessage( LPMSG msg ) |
| { |
| int pos; |
| XEvent event; |
| |
| while(1) |
| { |
| if ((pos = MSG_FindMsg( sysMsgQueue, 0, 0, 0 )) != -1) |
| { |
| *msg = sysMsgQueue->messages[pos].msg; |
| MSG_RemoveMsg( sysMsgQueue, pos ); |
| break; |
| } |
| XNextEvent( display, &event ); |
| EVENT_ProcessEvent( &event ); |
| } |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * SetTaskQueue (KERNEL.34) |
| */ |
| WORD SetTaskQueue( HANDLE hTask, HANDLE hQueue ) |
| { |
| HANDLE prev = hmemAppMsgQueue; |
| hmemAppMsgQueue = hQueue; |
| return prev; |
| } |
| |
| |
| /*********************************************************************** |
| * GetTaskQueue (KERNEL.35) |
| */ |
| WORD GetTaskQueue( HANDLE hTask ) |
| { |
| return hmemAppMsgQueue; |
| } |
| |
| |
| /*********************************************************************** |
| * SetMessageQueue (USER.266) |
| */ |
| BOOL SetMessageQueue( int size ) |
| { |
| HANDLE hQueue; |
| |
| if ((size > MAX_QUEUE_SIZE) || (size <= 0)) return TRUE; |
| |
| /* Free the old message queue */ |
| if ((hQueue = GetTaskQueue(0)) != 0) |
| { |
| GlobalUnlock( hQueue ); |
| GlobalFree( hQueue ); |
| } |
| |
| if (!(hQueue = MSG_CreateMsgQueue( size ))) return FALSE; |
| SetTaskQueue( 0, hQueue ); |
| appMsgQueue = (MESSAGEQUEUE *)GlobalLock( hQueue ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * PostQuitMessage (USER.6) |
| */ |
| void PostQuitMessage( int exitCode ) |
| { |
| if (!appMsgQueue) return; |
| appMsgQueue->wPostQMsg = TRUE; |
| appMsgQueue->wExitCode = exitCode; |
| } |
| |
| |
| /*********************************************************************** |
| * GetQueueStatus (USER.334) |
| */ |
| DWORD GetQueueStatus( int flags ) |
| { |
| unsigned long ret = (appMsgQueue->status << 16) | appMsgQueue->tempStatus; |
| appMsgQueue->tempStatus = 0; |
| return ret & ((flags << 16) | flags); |
| } |
| |
| |
| /*********************************************************************** |
| * GetInputState (USER.335) |
| */ |
| BOOL GetInputState() |
| { |
| return appMsgQueue->status & (QS_KEY | QS_MOUSEBUTTON); |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_Synchronize |
| * |
| * Synchronize with the X server. Should not be used too often. |
| */ |
| void MSG_Synchronize() |
| { |
| XEvent event; |
| |
| XSync( display, False ); |
| while (XPending( display )) |
| { |
| XNextEvent( display, &event ); |
| EVENT_ProcessEvent( &event ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * MSG_PeekMessage |
| */ |
| static BOOL MSG_PeekMessage( MESSAGEQUEUE * msgQueue, LPMSG msg, HWND hwnd, |
| WORD first, WORD last, WORD flags, BOOL peek ) |
| { |
| int pos, mask; |
| LONG nextExp; /* Next timer expiration time */ |
| XEvent event; |
| |
| if (first || last) |
| { |
| mask = QS_POSTMESSAGE; /* Always selectioned */ |
| if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY; |
| if ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) 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_POSTMESSAGE | QS_TIMER | QS_PAINT; |
| |
| while (XPending( display )) |
| { |
| XNextEvent( display, &event ); |
| EVENT_ProcessEvent( &event ); |
| } |
| |
| while(1) |
| { |
| /* First handle a WM_QUIT message */ |
| if (msgQueue->wPostQMsg) |
| { |
| msg->hwnd = hwnd; |
| msg->message = WM_QUIT; |
| msg->wParam = msgQueue->wExitCode; |
| msg->lParam = 0; |
| break; |
| } |
| |
| /* Then handle a message put by SendMessage() */ |
| if (msgQueue->status & QS_SENDMESSAGE) |
| { |
| if (!hwnd || (msgQueue->hWnd == hwnd)) |
| { |
| if ((!first && !last) || |
| ((msgQueue->msg >= first) && (msgQueue->msg <= last))) |
| { |
| msg->hwnd = msgQueue->hWnd; |
| msg->message = msgQueue->msg; |
| msg->wParam = msgQueue->wParam; |
| msg->lParam = msgQueue->lParam; |
| if (flags & PM_REMOVE) msgQueue->status &= ~QS_SENDMESSAGE; |
| break; |
| } |
| } |
| } |
| |
| /* Now find a normal message */ |
| pos = MSG_FindMsg( msgQueue, hwnd, first, last ); |
| if (pos != -1) |
| { |
| QMSG *qmsg = &msgQueue->messages[pos]; |
| *msg = qmsg->msg; |
| msgQueue->GetMessageTimeVal = msg->time; |
| msgQueue->GetMessagePosVal = *(DWORD *)&msg->pt; |
| msgQueue->GetMessageExtraInfoVal = qmsg->extraInfo; |
| |
| if (flags & PM_REMOVE) MSG_RemoveMsg( msgQueue, pos ); |
| break; |
| } |
| |
| /* Now find a hardware event */ |
| pos = MSG_FindMsg( sysMsgQueue, hwnd, first, last ); |
| if (pos != -1) |
| { |
| QMSG *qmsg = &sysMsgQueue->messages[pos]; |
| *msg = qmsg->msg; |
| msgQueue->GetMessageTimeVal = msg->time; |
| msgQueue->GetMessagePosVal = *(DWORD *)&msg->pt; |
| msgQueue->GetMessageExtraInfoVal = qmsg->extraInfo; |
| |
| if ((msg->message >= WM_MOUSEFIRST) && |
| (msg->message <= WM_MOUSELAST)) |
| if (!MSG_TranslateMouseMsg( msg )) |
| { |
| MSG_RemoveMsg( sysMsgQueue, pos ); |
| continue; |
| } |
| if (flags & PM_REMOVE) MSG_RemoveMsg( sysMsgQueue, pos ); |
| break; |
| } |
| |
| /* Now find a WM_PAINT message */ |
| if ((msgQueue->status & QS_PAINT) && (mask & QS_PAINT)) |
| { |
| msg->hwnd = WIN_FindWinToRepaint( hwnd ); |
| msg->message = WM_PAINT; |
| msg->wParam = 0; |
| msg->lParam = 0; |
| if (msg->hwnd != 0) break; |
| } |
| |
| /* Finally handle WM_TIMER messages */ |
| if ((msgQueue->status & QS_TIMER) && (mask & QS_TIMER)) |
| { |
| if (TIMER_CheckTimer( &nextExp, msg, hwnd, flags & PM_REMOVE )) |
| break; /* Got a timer msg */ |
| } |
| else nextExp = -1; /* No timeout needed */ |
| |
| /* Wait until something happens */ |
| if (peek) return FALSE; |
| if (!XPending( display ) && (nextExp != -1)) |
| { |
| fd_set read_set; |
| struct timeval timeout; |
| int fd = ConnectionNumber(display); |
| FD_ZERO( &read_set ); |
| FD_SET( fd, &read_set ); |
| timeout.tv_sec = nextExp / 1000; |
| timeout.tv_usec = (nextExp % 1000) * 1000; |
| if (select( fd+1, &read_set, NULL, NULL, &timeout ) != 1) |
| continue; /* On timeout or error, restart from the start */ |
| } |
| XNextEvent( display, &event ); |
| EVENT_ProcessEvent( &event ); |
| } |
| |
| /* We got a message */ |
| 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( LPMSG msg, HWND hwnd, short code, BOOL sendIdle ) |
| { |
| do |
| { |
| if (sendIdle) |
| { |
| if (MSG_PeekMessage(appMsgQueue, msg, 0, 0, 0, PM_REMOVE, TRUE)) |
| continue; |
| /* FIXME: to which window should we send this? */ |
| /* SendMessage( hwnd, WM_ENTERIDLE, code, (LPARAM)hwnd ); */ |
| } |
| MSG_PeekMessage( appMsgQueue, msg, 0, 0, 0, PM_REMOVE, FALSE ); |
| } while (CallMsgFilter( msg, code ) != 0); |
| return (msg->message != WM_QUIT); |
| } |
| |
| |
| /*********************************************************************** |
| * PeekMessage (USER.109) |
| */ |
| BOOL PeekMessage( LPMSG msg, HWND hwnd, WORD first, WORD last, WORD flags ) |
| { |
| return MSG_PeekMessage( appMsgQueue, msg, hwnd, first, last, flags, TRUE ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetMessage (USER.108) |
| */ |
| BOOL GetMessage( LPMSG msg, HWND hwnd, WORD first, WORD last ) |
| { |
| MSG_PeekMessage( appMsgQueue, msg, hwnd, first, last, PM_REMOVE, FALSE ); |
| CALL_SYSTEM_HOOK( WH_GETMESSAGE, 0, 0, (LPARAM)msg ); |
| CALL_TASK_HOOK( WH_GETMESSAGE, 0, 0, (LPARAM)msg ); |
| return (msg->message != WM_QUIT); |
| } |
| |
| |
| /*********************************************************************** |
| * PostMessage (USER.110) |
| */ |
| BOOL PostMessage( HWND hwnd, WORD message, WORD wParam, LONG lParam ) |
| { |
| MSG msg; |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| |
| if (!wndPtr || !wndPtr->hmemTaskQ) return FALSE; |
| |
| msg.hwnd = hwnd; |
| msg.message = message; |
| msg.wParam = wParam; |
| msg.lParam = lParam; |
| msg.time = GetTickCount(); |
| msg.pt.x = 0; |
| msg.pt.y = 0; |
| |
| return MSG_AddMsg( appMsgQueue, &msg, 0 ); |
| } |
| |
| |
| /*********************************************************************** |
| * SendMessage (USER.111) |
| */ |
| LONG SendMessage( HWND hwnd, WORD msg, WORD wParam, LONG lParam ) |
| { |
| WND * wndPtr; |
| |
| wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return 0; |
| return CallWindowProc( wndPtr->lpfnWndProc, hwnd, msg, wParam, lParam ); |
| } |
| |
| |
| /*********************************************************************** |
| * TranslateMessage (USER.113) |
| */ |
| BOOL TranslateMessage( LPMSG msg ) |
| { |
| int message = msg->message; |
| |
| if ((message == WM_KEYDOWN) || (message == WM_KEYUP) || |
| (message == WM_SYSKEYDOWN) || (message == WM_SYSKEYUP)) |
| { |
| #ifdef DEBUG_MSG |
| printf( "Translating key message\n" ); |
| #endif |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| |
| /*********************************************************************** |
| * DispatchMessage (USER.114) |
| */ |
| LONG DispatchMessage( LPMSG msg ) |
| { |
| WND * wndPtr; |
| LONG retval; |
| int painting; |
| |
| #ifdef DEBUG_MSG |
| printf( "Dispatch message hwnd=%08x msg=0x%x w=%d l=%d time=%u pt=%d,%d\n", |
| msg->hwnd, msg->message, msg->wParam, msg->lParam, |
| msg->time, msg->pt.x, msg->pt.y ); |
| #endif |
| |
| /* Process timer messages */ |
| if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER)) |
| { |
| if (msg->lParam) |
| return CallWindowProc( (FARPROC)msg->lParam, msg->hwnd, |
| msg->message, msg->wParam, GetTickCount() ); |
| } |
| |
| if (!msg->hwnd) return 0; |
| if (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0; |
| if (!wndPtr->lpfnWndProc) return 0; |
| painting = (msg->message == WM_PAINT); |
| if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT; |
| retval = CallWindowProc( wndPtr->lpfnWndProc, msg->hwnd, msg->message, |
| msg->wParam, msg->lParam ); |
| if (painting && (wndPtr->flags & WIN_NEEDS_BEGINPAINT)) |
| { |
| #ifdef DEBUG_WIN |
| printf( "BeginPaint not called on WM_PAINT for hwnd %d!\n", msg->hwnd); |
| #endif |
| wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT; |
| } |
| return retval; |
| } |
| |
| |
| /*********************************************************************** |
| * GetMessagePos (USER.119) |
| */ |
| DWORD GetMessagePos(void) |
| { |
| return appMsgQueue->GetMessagePosVal; |
| } |
| |
| |
| /*********************************************************************** |
| * GetMessageTime (USER.120) |
| */ |
| LONG GetMessageTime(void) |
| { |
| return appMsgQueue->GetMessageTimeVal; |
| } |
| |
| |
| /*********************************************************************** |
| * GetMessageExtraInfo (USER.288) |
| */ |
| LONG GetMessageExtraInfo(void) |
| { |
| return appMsgQueue->GetMessageExtraInfoVal; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterWindowMessage (USER.118) |
| */ |
| WORD RegisterWindowMessage( LPCSTR str ) |
| { |
| #ifdef DEBUG_MSG |
| printf( "RegisterWindowMessage: '%s'\n", str ); |
| #endif |
| return GlobalAddAtom( str ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetTickCount (USER.13) |
| */ |
| DWORD GetTickCount() |
| { |
| struct timeval t; |
| gettimeofday( &t, NULL ); |
| return (t.tv_sec * 1000) + (t.tv_usec / 1000); |
| } |