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/*
* Message queues related functions
*
* Copyright 1993, 1994 Alexandre Julliard
*/
/*
* This code assumes that there is only one Windows task (hence
* one message queue).
*/
#include <stdlib.h>
#include <sys/time.h>
#include <sys/types.h>
#include "message.h"
#include "win.h"
#include "gdi.h"
#include "wineopts.h"
#include "sysmetrics.h"
#include "hook.h"
#include "event.h"
#include "winpos.h"
#include "stddebug.h"
/* #define DEBUG_MSG */
#include "debug.h"
#define HWND_BROADCAST ((HWND)0xffff)
#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 */
/* 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)) {
fprintf(stderr,"MSG_AddMsg // queue is full !\n");
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:
* - Find the window for this message.
* - 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 remove )
{
BOOL eatMsg = FALSE;
INT hittest_result;
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));
/* Find the window */
if (GetCapture())
{
msg->hwnd = GetCapture();
msg->lParam = MAKELONG( msg->pt.x, msg->pt.y );
ScreenToClient( msg->hwnd, (LPPOINT)&msg->lParam );
return TRUE; /* No need to further process the message */
}
else msg->hwnd = WindowFromPoint( msg->pt );
/* Send the WM_NCHITTEST message */
hittest_result = (INT)SendMessage( msg->hwnd, WM_NCHITTEST, 0,
MAKELONG( msg->pt.x, msg->pt.y ) );
while ((hittest_result == HTTRANSPARENT) && (msg->hwnd))
{
msg->hwnd = WINPOS_NextWindowFromPoint( msg->hwnd, msg->pt );
if (msg->hwnd)
hittest_result = (INT)SendMessage( msg->hwnd, WM_NCHITTEST, 0,
MAKELONG( msg->pt.x, msg->pt.y ));
}
if (!msg->hwnd) msg->hwnd = GetDesktopWindow();
/* 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 || !(WIN_CLASS_STYLE(wndPtr) & CS_DBLCLKS))
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;
}
if (remove)
{
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;
}
/***********************************************************************
* MSG_TranslateKeyboardMsg
*
* Translate an keyboard hardware event into a real message.
* Return value indicates whether the translated message must be passed
* to the user.
*/
static BOOL MSG_TranslateKeyboardMsg( MSG *msg )
{
/* Should check Ctrl-Esc and PrintScreen here */
msg->hwnd = GetFocus();
if (!msg->hwnd)
{
/* Send the message to the active window instead, */
/* translating messages to their WM_SYS equivalent */
msg->hwnd = GetActiveWindow();
msg->message += WM_SYSKEYDOWN - WM_KEYDOWN;
}
return TRUE;
}
/***********************************************************************
* MSG_PeekHardwareMsg
*
* Peek for a hardware message matching the hwnd and message filters.
*/
static BOOL MSG_PeekHardwareMsg( MSG *msg, HWND hwnd, WORD first, WORD last,
BOOL remove )
{
int i, pos = sysMsgQueue->nextMessage;
for (i = 0; i < sysMsgQueue->msgCount; i++, pos++)
{
*msg = sysMsgQueue->messages[pos].msg;
/* Translate message */
if ((msg->message >= WM_MOUSEFIRST) && (msg->message <= WM_MOUSELAST))
{
if (!MSG_TranslateMouseMsg( msg, remove )) continue;
}
else if ((msg->message >= WM_KEYFIRST) && (msg->message <= WM_KEYLAST))
{
if (!MSG_TranslateKeyboardMsg( msg )) continue;
}
else continue; /* Should never happen */
/* Check message against filters */
if (hwnd && (msg->hwnd != hwnd)) continue;
if ((first || last) &&
((msg->message < first) || (msg->message > last))) continue;
if (remove) MSG_RemoveMsg( sysMsgQueue, pos );
return TRUE;
}
return FALSE;
}
/**********************************************************************
* 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;
int pos;
if (!sysMsgQueue) return;
pos = sysMsgQueue->nextFreeMessage;
/* Merge with previous event if possible */
if ((message == WM_MOUSEMOVE) && sysMsgQueue->msgCount)
{
if (pos > 0) pos--;
else pos = sysMsgQueue->queueSize - 1;
msg = &sysMsgQueue->messages[pos].msg;
if ((msg->message == message) && (msg->wParam == wParam))
sysMsgQueue->msgCount--; /* Merge events */
else
pos = sysMsgQueue->nextFreeMessage; /* Don't merge */
}
/* Check if queue is full */
if ((pos == sysMsgQueue->nextMessage) && sysMsgQueue->msgCount)
{
/* Queue is full, beep (but not on every mouse motion...) */
if (message != WM_MOUSEMOVE) MessageBeep(0);
return;
}
/* Store message */
msg = &sysMsgQueue->messages[pos].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;
sysMsgQueue->messages[pos].extraInfo = extraInfo;
if (pos < sysMsgQueue->queueSize - 1) pos++;
else pos = 0;
sysMsgQueue->nextFreeMessage = pos;
sysMsgQueue->msgCount++;
}
/***********************************************************************
* MSG_GetHardwareMessage
*
* Like GetMessage(), but only return mouse and keyboard events.
* Used internally for window moving and resizing. Mouse messages
* are not translated.
* Warning: msg->hwnd is always 0.
*/
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_WaitXEvent
*
* Wait for an X event, but at most maxWait milliseconds (-1 for no timeout).
* Return TRUE if an event is pending, FALSE on timeout or error
* (for instance lost connection with the server).
*/
BOOL MSG_WaitXEvent( LONG maxWait )
{
fd_set read_set;
struct timeval timeout;
XEvent event;
int fd = ConnectionNumber(display);
if (!XPending(display) && (maxWait != -1))
{
FD_ZERO( &read_set );
FD_SET( fd, &read_set );
timeout.tv_sec = maxWait / 1000;
timeout.tv_usec = (maxWait % 1000) * 1000;
if (select( fd+1, &read_set, NULL, NULL, &timeout ) != 1)
return FALSE; /* Timeout or error */
}
/* Process the event (and possibly others that occurred in the meantime) */
do
{
XNextEvent( display, &event );
EVENT_ProcessEvent( &event );
}
while (XPending( display ));
return TRUE;
}
/***********************************************************************
* 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 */
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(1)
{
/* First 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 */
if (MSG_PeekHardwareMsg( msg, hwnd, first, last, flags & PM_REMOVE ))
{
/* Got one */
msgQueue->GetMessageTimeVal = msg->time;
msgQueue->GetMessagePosVal = *(DWORD *)&msg->pt;
msgQueue->GetMessageExtraInfoVal = 0; /* Always 0 for now */
break;
}
/* Now handle a WM_QUIT message */
if (msgQueue->wPostQMsg)
{
msg->hwnd = hwnd;
msg->message = WM_QUIT;
msg->wParam = msgQueue->wExitCode;
msg->lParam = 0;
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)
{
if (!MSG_WaitXEvent( 0 )) return FALSE; /* No pending event */
}
else /* Wait for an event, then restart the loop */
MSG_WaitXEvent( nextExp );
}
/* 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( SEGPTR msg, HWND hwnd, HWND hwndOwner, short code,
WORD flags, BOOL sendIdle )
{
for (;;)
{
if (sendIdle)
{
if (!MSG_PeekMessage( appMsgQueue, (MSG *)PTR_SEG_TO_LIN(msg),
0, 0, 0, flags, TRUE ))
{
/* No message present -> send ENTERIDLE and wait */
SendMessage( hwndOwner, WM_ENTERIDLE, code, (LPARAM)hwnd );
MSG_PeekMessage( appMsgQueue, (MSG *)PTR_SEG_TO_LIN(msg),
0, 0, 0, flags, FALSE );
}
}
else /* Always wait for a message */
MSG_PeekMessage( appMsgQueue, (MSG *)PTR_SEG_TO_LIN(msg),
0, 0, 0, flags, FALSE );
if (!CallMsgFilter( msg, code ))
return (((MSG *)PTR_SEG_TO_LIN(msg))->message != WM_QUIT);
/* Message filtered -> remove it from the queue */
/* if it's still there. */
if (!(flags & PM_REMOVE))
MSG_PeekMessage( appMsgQueue, (MSG *)PTR_SEG_TO_LIN(msg),
0, 0, 0, PM_REMOVE, TRUE );
}
}
/***********************************************************************
* 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( SEGPTR msg, HWND hwnd, WORD first, WORD last )
{
MSG_PeekMessage( appMsgQueue, (MSG *)PTR_SEG_TO_LIN(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 *)PTR_SEG_TO_LIN(msg))->message != WM_QUIT);
}
/***********************************************************************
* PostMessage (USER.110)
*/
BOOL PostMessage( HWND hwnd, WORD message, WORD wParam, LONG lParam )
{
MSG msg;
WND *wndPtr;
if (hwnd == HWND_BROADCAST) {
dprintf_msg(stddeb,"PostMessage // HWND_BROADCAST !\n");
hwnd = GetTopWindow(GetDesktopWindow());
while (hwnd) {
if (!(wndPtr = WIN_FindWndPtr(hwnd))) break;
if (wndPtr->dwStyle & WS_POPUP || wndPtr->dwStyle & WS_CAPTION) {
dprintf_msg(stddeb,"BROADCAST Message to hWnd=%04X m=%04X w=%04X l=%08lX !\n",
hwnd, message, wParam, lParam);
PostMessage(hwnd, message, wParam, lParam);
}
/* {
char str[128];
GetWindowText(hwnd, str, sizeof(str));
dprintf_msg(stddeb, "BROADCAST GetWindowText()='%s' !\n", str);
}*/
hwnd = wndPtr->hwndNext;
}
dprintf_msg(stddeb,"PostMessage // End of HWND_BROADCAST !\n");
return TRUE;
}
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;
LONG ret;
wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return 0;
ret = CallWindowProc( wndPtr->lpfnWndProc, hwnd, msg, wParam, lParam );
dprintf_msg( stddeb,"SendMessage(%4.4x,%x,%x,%lx) -> %lx\n",
hwnd, msg, wParam, lParam, ret );
return ret;
}
/***********************************************************************
* WaitMessage (USER.112)
*/
void WaitMessage( void )
{
MSG msg;
LONG nextExp = -1; /* Next timer expiration time */
if ((appMsgQueue->wPostQMsg) ||
(appMsgQueue->status & (QS_SENDMESSAGE | QS_PAINT)) ||
(appMsgQueue->msgCount) || (sysMsgQueue->msgCount) )
return;
if ((appMsgQueue->status & QS_TIMER) &&
TIMER_CheckTimer( &nextExp, &msg, 0, FALSE))
return;
MSG_WaitXEvent( nextExp );
}
/***********************************************************************
* TranslateMessage (USER.113)
*/
BOOL TranslateMessage( LPMSG msg )
{
int message = msg->message;
if ((message == WM_KEYDOWN) || (message == WM_KEYUP) ||
(message == WM_SYSKEYDOWN) || (message == WM_SYSKEYUP))
{
dprintf_msg(stddeb, "Translating key message\n" );
return TRUE;
}
return FALSE;
}
/***********************************************************************
* DispatchMessage (USER.114)
*/
LONG DispatchMessage( LPMSG msg )
{
WND * wndPtr;
LONG retval;
int painting;
dprintf_msg(stddeb, "Dispatch message hwnd=%04x msg=0x%x w=%d l=%ld time=%lu pt=%d,%d\n",
msg->hwnd, msg->message, msg->wParam, msg->lParam,
msg->time, msg->pt.x, msg->pt.y );
/* Process timer messages */
if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
{
if (msg->lParam)
return CallWindowProc( (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->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 && IsWindow(msg->hwnd) &&
(wndPtr->flags & WIN_NEEDS_BEGINPAINT))
{
fprintf(stderr, "BeginPaint not called on WM_PAINT for hwnd %d!\n",
msg->hwnd);
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 )
{
WORD wRet;
dprintf_msg(stddeb, "RegisterWindowMessage: '%s'\n", str );
wRet = GlobalAddAtom( str );
return wRet;
}
/***********************************************************************
* GetTickCount (USER.13)
*/
DWORD GetTickCount(void)
{
struct timeval t;
gettimeofday( &t, NULL );
return (t.tv_sec * 1000) + (t.tv_usec / 1000);
}
/***********************************************************************
* InSendMessage (USER.192
*
* According to the book, this should return true iff the current message
* was send from another application. In that case, the application should
* invoke ReplyMessage before calling message relevant API.
* Currently, Wine will always return FALSE, as there is no other app.
*/
BOOL InSendMessage()
{
return FALSE;
}
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