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Sweden-Number/windows/message.c

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/*
* Message queues related functions
*
* Copyright 1993, 1994 Alexandre Julliard
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/time.h>
#include <sys/types.h>
#include "wine/winbase16.h"
#include "wine/winuser16.h"
#include "message.h"
#include "winerror.h"
#include "server.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 "user.h"
#include "thread.h"
#include "task.h"
#include "controls.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(msg);
DECLARE_DEBUG_CHANNEL(key);
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 */
static UINT doubleClickSpeed = 452;
/***********************************************************************
* MSG_CheckFilter
*/
static 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)
{
POINT pt;
/* pt has to be in the client coordinates of the parent window */
WND *tmpWnd = WIN_LockWndPtr(wndPtr);
pt.x = SLOWORD(lValue);
pt.y = SHIWORD(lValue);
MapWindowPoints( 0, tmpWnd->hwndSelf, &pt, 1 );
while (tmpWnd)
{
if (!(tmpWnd->dwStyle & WS_CHILD) || (tmpWnd->dwExStyle & WS_EX_NOPARENTNOTIFY))
{
WIN_ReleaseWndPtr(tmpWnd);
break;
}
pt.x += tmpWnd->rectClient.left;
pt.y += tmpWnd->rectClient.top;
WIN_UpdateWndPtr(&tmpWnd,tmpWnd->parent);
SendMessageA( tmpWnd->hwndSelf, WM_PARENTNOTIFY,
MAKEWPARAM( event, idChild ),
MAKELONG( pt.x, pt.y ) );
}
}
/***********************************************************************
* MSG_TranslateMouseMsg
*
* Translate a 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,
INT *pHitTest, POINT *screen_pt, BOOL *pmouseClick )
{
static DWORD dblclk_time_limit = 0;
static UINT16 clk_message = 0;
static HWND16 clk_hwnd = 0;
static POINT clk_pos;
WND *pWnd;
HWND hWnd;
INT16 ht, hittest;
UINT message = msg->message;
POINT pt = msg->pt;
HANDLE16 hQ = GetFastQueue16();
MESSAGEQUEUE *queue = QUEUE_Lock(hQ);
int mouseClick = ((message == WM_LBUTTONDOWN) ||
(message == WM_RBUTTONDOWN) ||
(message == WM_MBUTTONDOWN));
DWORD retvalue;
/* Find the window to dispatch this mouse message to */
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 && pWnd->hmemTaskQ != hQ)
{
/* Not for the current task */
if (queue) QUEUE_ClearWakeBit( queue, QS_MOUSE );
/* Wake up the other task */
QUEUE_Unlock( queue );
queue = QUEUE_Lock( pWnd->hmemTaskQ );
if (queue) QUEUE_SetWakeBit( queue, QS_MOUSE, 0 );
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(GetClassLongA(hWnd, GCL_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;
if (hittest != HTCLIENT)
{
message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
msg->wParam = hittest;
}
else
ScreenToClient( 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, INT hittest,
POINT 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 ))
{
MOUSEHOOKSTRUCT hook;
hook.pt = screen_pt;
hook.hwnd = hWnd;
hook.wHitTestCode = hittest;
hook.dwExtraInfo = 0;
if (HOOK_CallHooksA( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
message, (LPARAM)&hook ))
{
retvalue = MAKELONG((INT16)SYSQ_MSG_SKIP, hittest);
goto END;
}
}
if (message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST)
message += WM_MOUSEFIRST - WM_NCMOUSEFIRST;
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, message, 0, MAKELPARAM(screen_pt.x, screen_pt.y) );
/* Activate the window if needed */
if (hWnd != GetActiveWindow() && hwndTop != 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 != GetForegroundWindow() )
{
if (!WINPOS_SetActiveWindow( hwndTop, TRUE , TRUE ))
eatMsg = TRUE;
}
}
}
} else sendSC = (remove && sendSC);
/* Send the WM_SETCURSOR message */
if (sendSC)
{
/* Windows sends the normal mouse message as the message parameter
in the WM_SETCURSOR message even if it's non-client mouse message */
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 a 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;
}
if ( !hWnd ) return SYSQ_MSG_ABANDON;
pWnd = WIN_FindWndPtr( hWnd );
if (pWnd && pWnd->hmemTaskQ && (pWnd->hmemTaskQ != GetFastQueue16()))
{
/* Not for the current task */
MESSAGEQUEUE *queue = QUEUE_Lock( GetFastQueue16() );
if (queue) QUEUE_ClearWakeBit( queue, QS_KEY );
QUEUE_Unlock( queue );
/* Wake up the other task */
queue = QUEUE_Lock( pWnd->hmemTaskQ );
if (queue) QUEUE_SetWakeBit( queue, QS_KEY, 0 );
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 )
{
/* Handle F1 key by sending out WM_HELP message */
if ((msg->message == WM_KEYUP) &&
(msg->wParam == VK_F1) &&
remove &&
(msg->hwnd != GetDesktopWindow()) &&
!MENU_IsMenuActive())
{
HELPINFO hi;
WND *pWnd = WIN_FindWndPtr(msg->hwnd);
if (NULL != pWnd)
{
hi.cbSize = sizeof(HELPINFO);
hi.iContextType = HELPINFO_WINDOW;
hi.iCtrlId = pWnd->wIDmenu;
hi.hItemHandle = msg->hwnd;
hi.dwContextId = pWnd->helpContext;
hi.MousePos = msg->pt;
SendMessageA(msg->hwnd, WM_HELP, 0, (LPARAM)&hi);
}
WIN_ReleaseWndPtr(pWnd);
}
return (HOOK_CallHooksA( 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;
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))
{
POINT pt;
pt.x = SLOWORD(msg->lParam);
pt.y = SHIWORD(msg->lParam);
ClientToScreen( msg->hwnd, &pt );
event.paramL = pt.x;
event.paramH = pt.y;
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 );
}
}
/***********************************************************************
* MSG_JournalPlayBackMsg
*
* Get an EVENTMSG struct via call JOURNALPLAYBACK hook function
*/
static int MSG_JournalPlayBackMsg(void)
{
EVENTMSG tmpMsg;
LPARAM lParam;
WPARAM wParam;
LRESULT wtime;
int keyDown,i;
if (!HOOK_IsHooked( WH_JOURNALPLAYBACK )) return 0;
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, 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, wParam, lParam,
tmpMsg.paramL, tmpMsg.paramH, tmpMsg.time, 0 );
}
HOOK_CallHooksA( WH_JOURNALPLAYBACK, HC_SKIP, 0, (LPARAM)&tmpMsg);
return 0;
}
else
{
if( tmpMsg.message == WM_QUEUESYNC )
if (HOOK_IsHooked( WH_CBT ))
HOOK_CallHooksA( WH_CBT, HCBT_QS, 0, 0L);
return QS_MOUSE | QS_KEY; /* ? */
}
}
/***********************************************************************
* 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 )
{
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;
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 )
{
INT hittest;
POINT 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 = 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_CallHooksA( WH_CBT, HCBT_KEYSKIPPED,
LOWORD (msg->wParam), msg->lParam );
else if ( msgType == MOUSE_MSG )
{
MOUSEHOOKSTRUCT hook;
hook.pt = msg->pt;
hook.hwnd = msg->hwnd;
hook.wHitTestCode = HIWORD(status);
hook.dwExtraInfo = 0;
HOOK_CallHooksA( WH_CBT, HCBT_CLICKSKIPPED, msg->message, (LPARAM)&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;
}
/**********************************************************************
* SetDoubleClickTime (USER.20)
*/
void WINAPI SetDoubleClickTime16( UINT16 interval )
{
SetDoubleClickTime( interval );
}
/**********************************************************************
* SetDoubleClickTime (USER32.@)
*/
BOOL WINAPI SetDoubleClickTime( UINT interval )
{
doubleClickSpeed = interval ? interval : 500;
return TRUE;
}
/**********************************************************************
* GetDoubleClickTime (USER.21)
*/
UINT16 WINAPI GetDoubleClickTime16(void)
{
return doubleClickSpeed;
}
/**********************************************************************
* GetDoubleClickTime (USER32.@)
*/
UINT WINAPI GetDoubleClickTime(void)
{
return doubleClickSpeed;
}
/***********************************************************************
* MSG_SendMessageInterThread
*
* Implementation of an inter-task SendMessage.
* Return values:
* 0 if error or timeout
* 1 if successful
*/
static LRESULT MSG_SendMessageInterThread( HQUEUE16 hDestQueue,
HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam,
DWORD timeout, WORD type,
LRESULT *pRes)
{
MESSAGEQUEUE *destQ;
BOOL ret;
int iWndsLocks;
LRESULT result = 0;
TRACE( "hwnd %x msg %x (%s) wp %x lp %lx\n", hwnd, msg, SPY_GetMsgName(msg), wParam, lParam );
if (!(destQ = QUEUE_Lock( hDestQueue ))) return 0;
SERVER_START_REQ( send_message )
{
req->posted = FALSE;
req->id = destQ->teb->tid;
req->type = type;
req->win = hwnd;
req->msg = msg;
req->wparam = wParam;
req->lparam = lParam;
req->info = 0;
ret = !SERVER_CALL_ERR();
}
SERVER_END_REQ;
QUEUE_Unlock( destQ );
if (!ret) return 0;
iWndsLocks = WIN_SuspendWndsLock();
/* wait for the result */
QUEUE_WaitBits( QS_SMRESULT, timeout );
SERVER_START_REQ( get_message_reply )
{
req->cancel = 1;
if ((ret = !SERVER_CALL_ERR())) result = req->result;
}
SERVER_END_REQ;
TRACE( "hwnd %x msg %x (%s) wp %x lp %lx got reply %lx (err=%ld)\n",
hwnd, msg, SPY_GetMsgName(msg), wParam, lParam, result, GetLastError() );
if (!ret && (GetLastError() == ERROR_IO_PENDING))
{
if (timeout == INFINITE) ERR("no timeout but no result\n");
SetLastError(0); /* timeout */
}
if (pRes) *pRes = result;
WIN_RestoreWndsLock(iWndsLocks);
return ret;
}
/***********************************************************************
* ReplyMessage (USER.115)
*/
void WINAPI ReplyMessage16( LRESULT result )
{
ReplyMessage( result );
}
/***********************************************************************
* ReplyMessage (USER32.@)
*/
BOOL WINAPI ReplyMessage( LRESULT result )
{
BOOL ret;
SERVER_START_REQ( reply_message )
{
req->result = result;
req->remove = 0;
ret = !SERVER_CALL_ERR();
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* MSG_ConvertMsg
*/
static BOOL MSG_ConvertMsg( MSG *msg, int srcType, int dstType )
{
UINT16 msg16;
MSGPARAM16 mp16;
switch ( MAKELONG( srcType, dstType ) )
{
case MAKELONG( QMSG_WIN16, QMSG_WIN16 ):
case MAKELONG( QMSG_WIN32A, QMSG_WIN32A ):
case MAKELONG( QMSG_WIN32W, QMSG_WIN32W ):
return TRUE;
case MAKELONG( QMSG_WIN16, QMSG_WIN32A ):
switch ( WINPROC_MapMsg16To32A( msg->message, msg->wParam,
&msg->message, &msg->wParam, &msg->lParam ) )
{
case 0:
return TRUE;
case 1:
/* Pointer messages were mapped --> need to free allocated memory and fail */
WINPROC_UnmapMsg16To32A( msg->hwnd, msg->message, msg->wParam, msg->lParam, 0 );
default:
return FALSE;
}
case MAKELONG( QMSG_WIN16, QMSG_WIN32W ):
switch ( WINPROC_MapMsg16To32W( msg->hwnd, msg->message, msg->wParam,
&msg->message, &msg->wParam, &msg->lParam ) )
{
case 0:
return TRUE;
case 1:
/* Pointer messages were mapped --> need to free allocated memory and fail */
WINPROC_UnmapMsg16To32W( msg->hwnd, msg->message, msg->wParam, msg->lParam, 0 );
default:
return FALSE;
}
case MAKELONG( QMSG_WIN32A, QMSG_WIN16 ):
mp16.lParam = msg->lParam;
switch ( WINPROC_MapMsg32ATo16( msg->hwnd, msg->message, msg->wParam,
&msg16, &mp16.wParam, &mp16.lParam ) )
{
case 0:
msg->message = msg16;
msg->wParam = mp16.wParam;
msg->lParam = mp16.lParam;
return TRUE;
case 1:
/* Pointer messages were mapped --> need to free allocated memory and fail */
WINPROC_UnmapMsg32ATo16( msg->hwnd, msg->message, msg->wParam, msg->lParam, &mp16 );
default:
return FALSE;
}
case MAKELONG( QMSG_WIN32W, QMSG_WIN16 ):
mp16.lParam = msg->lParam;
switch ( WINPROC_MapMsg32WTo16( msg->hwnd, msg->message, msg->wParam,
&msg16, &mp16.wParam, &mp16.lParam ) )
{
case 0:
msg->message = msg16;
msg->wParam = mp16.wParam;
msg->lParam = mp16.lParam;
return TRUE;
case 1:
/* Pointer messages were mapped --> need to free allocated memory and fail */
WINPROC_UnmapMsg32WTo16( msg->hwnd, msg->message, msg->wParam, msg->lParam, &mp16 );
default:
return FALSE;
}
case MAKELONG( QMSG_WIN32A, QMSG_WIN32W ):
switch ( WINPROC_MapMsg32ATo32W( msg->hwnd, msg->message, &msg->wParam, &msg->lParam ) )
{
case 0:
return TRUE;
case 1:
/* Pointer messages were mapped --> need to free allocated memory and fail */
WINPROC_UnmapMsg32ATo32W( msg->hwnd, msg->message, msg->wParam, msg->lParam );
default:
return FALSE;
}
case MAKELONG( QMSG_WIN32W, QMSG_WIN32A ):
switch ( WINPROC_MapMsg32WTo32A( msg->hwnd, msg->message, &msg->wParam, &msg->lParam ) )
{
case 0:
return TRUE;
case 1:
/* Pointer messages were mapped --> need to free allocated memory and fail */
WINPROC_UnmapMsg32WTo32A( msg->hwnd, msg->message, msg->wParam, msg->lParam );
default:
return FALSE;
}
default:
FIXME( "Invalid message type(s): %d / %d\n", srcType, dstType );
return FALSE;
}
}
/***********************************************************************
* MSG_PeekMessage
*/
static BOOL MSG_PeekMessage( int type, LPMSG msg_out, HWND hwnd,
DWORD first, DWORD last, WORD flags, BOOL peek )
{
int changeBits, mask;
MESSAGEQUEUE *msgQueue;
HQUEUE16 hQueue;
int iWndsLocks;
MSG msg;
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;
iWndsLocks = WIN_SuspendWndsLock();
while(1)
{
WORD wakeBits = HIWORD(GetQueueStatus( mask ));
hQueue = GetFastQueue16();
msgQueue = QUEUE_Lock( hQueue );
if (!msgQueue)
{
WIN_RestoreWndsLock(iWndsLocks);
return FALSE;
}
#if 0
/* First handle a message put by SendMessage() */
while ( QUEUE_ReceiveMessage( msgQueue ) )
;
/* Now handle a WM_QUIT message */
EnterCriticalSection( &msgQueue->cSection );
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;
LeaveCriticalSection( &msgQueue->cSection );
break;
}
LeaveCriticalSection( &msgQueue->cSection );
#endif
/* Now find a normal message */
retry:
if (wakeBits & (QS_SENDMESSAGE|QS_POSTMESSAGE|QS_TIMER|QS_PAINT))
{
QMSG qmsg;
if (QUEUE_FindMsg( hwnd, first, last, flags & PM_REMOVE, FALSE, &qmsg ))
{
/* Try to convert message to requested type */
MSG tmpMsg = qmsg.msg;
if ( !MSG_ConvertMsg( &tmpMsg, qmsg.type, type ) )
{
ERR( "Message %s of wrong type contains pointer parameters. Skipped!\n",
SPY_GetMsgName(tmpMsg.message));
/* remove it (FIXME) */
if (!(flags & PM_REMOVE)) QUEUE_FindMsg( hwnd, first, last, TRUE, FALSE, &qmsg );
goto retry;
}
msg = tmpMsg;
msgQueue->GetMessageTimeVal = msg.time;
msgQueue->GetMessagePosVal = MAKELONG( (INT16)msg.pt.x, (INT16)msg.pt.y );
msgQueue->GetMessageExtraInfoVal = qmsg.extraInfo;
/* need to fill the window handle for WM_PAINT message */
if (msg.message == WM_PAINT)
{
WND* wndPtr;
msg.hwnd = WIN_FindWinToRepaint( hwnd , hQueue );
if ((wndPtr = WIN_FindWndPtr(msg.hwnd)))
{
if( wndPtr->dwStyle & WS_MINIMIZE &&
(HICON) GetClassLongA(wndPtr->hwndSelf, GCL_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);
}
}
else break;
}
}
changeBits = MSG_JournalPlayBackMsg();
#if 0 /* FIXME */
EnterCriticalSection( &msgQueue->cSection );
msgQueue->changeBits |= changeBits;
LeaveCriticalSection( &msgQueue->cSection );
#endif
/* Now find a hardware event */
if (MSG_PeekHardwareMsg( &msg, hwnd, first, last, flags & PM_REMOVE ))
{
/* Got one */
msgQueue->GetMessageTimeVal = msg.time;
msgQueue->GetMessagePosVal = MAKELONG( (INT16)msg.pt.x, (INT16)msg.pt.y );
msgQueue->GetMessageExtraInfoVal = 0; /* Always 0 for now */
break;
}
if (peek)
{
#if 0 /* FIXME */
if (!(flags & PM_NOYIELD)) UserYield16();
#endif
/* check for graphics events */
if (USER_Driver.pMsgWaitForMultipleObjectsEx)
USER_Driver.pMsgWaitForMultipleObjectsEx( 0, NULL, 0, 0, 0 );
QUEUE_Unlock( msgQueue );
WIN_RestoreWndsLock(iWndsLocks);
return FALSE;
}
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;
}
/* copy back our internal safe copy of message data to msg_out.
* msg_out is a variable from the *program*, so it can't be used
* internally as it can get "corrupted" by our use of SendMessage()
* (back to the program) inside the message handling itself. */
*msg_out = msg;
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, UINT first, UINT last,
WPARAM code, WORD flags, BOOL sendIdle, BOOL* idleSent )
{
for (;;)
{
if (sendIdle)
{
if (!MSG_PeekMessage( QMSG_WIN32A, msg, 0, first, last, flags, TRUE ))
{
/* No message present -> send ENTERIDLE and wait */
if (IsWindow(hwndOwner))
{
SendMessageA( hwndOwner, WM_ENTERIDLE,
code, (LPARAM)hwnd );
if (idleSent!=NULL)
*idleSent=TRUE;
}
MSG_PeekMessage( QMSG_WIN32A, msg, 0, first, last, flags, FALSE );
}
}
else /* Always wait for a message */
MSG_PeekMessage( QMSG_WIN32A, msg, 0, first, last, flags, FALSE );
/* Call message filters */
if (HOOK_IsHooked( WH_SYSMSGFILTER ) || HOOK_IsHooked( WH_MSGFILTER ))
{
MSG *pmsg = HeapAlloc( GetProcessHeap(), 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( GetProcessHeap(), 0, pmsg );
if (ret)
{
/* Message filtered -> remove it from the queue */
/* if it's still there. */
if (!(flags & PM_REMOVE))
MSG_PeekMessage( QMSG_WIN32A, msg, 0, first, last, PM_REMOVE, TRUE );
continue;
}
}
}
return (msg->message != WM_QUIT);
}
}
/***********************************************************************
* PeekMessage32 (USER.819)
*/
BOOL16 WINAPI PeekMessage32_16( SEGPTR msg16_32, HWND16 hwnd,
UINT16 first, UINT16 last, UINT16 flags,
BOOL16 wHaveParamHigh )
{
BOOL ret;
MSG32_16 *lpmsg16_32 = MapSL(msg16_32);
MSG msg;
ret = MSG_PeekMessage( QMSG_WIN16, &msg, hwnd, first, last, flags, TRUE );
lpmsg16_32->msg.hwnd = msg.hwnd;
lpmsg16_32->msg.message = msg.message;
lpmsg16_32->msg.wParam = LOWORD(msg.wParam);
lpmsg16_32->msg.lParam = msg.lParam;
lpmsg16_32->msg.time = msg.time;
lpmsg16_32->msg.pt.x = (INT16)msg.pt.x;
lpmsg16_32->msg.pt.y = (INT16)msg.pt.y;
if ( wHaveParamHigh )
lpmsg16_32->wParamHigh = HIWORD(msg.wParam);
HOOK_CallHooks16( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg16_32 );
return ret;
}
/***********************************************************************
* PeekMessage (USER.109)
*/
BOOL16 WINAPI PeekMessage16( SEGPTR msg, HWND16 hwnd,
UINT16 first, UINT16 last, UINT16 flags )
{
return PeekMessage32_16( msg, hwnd, first, last, flags, FALSE );
}
/***********************************************************************
* PeekMessageA (USER32.@)
*/
BOOL WINAPI PeekMessageA( LPMSG lpmsg, HWND hwnd,
UINT min, UINT max, UINT wRemoveMsg)
{
BOOL ret = MSG_PeekMessage( QMSG_WIN32A, lpmsg, hwnd, min, max, wRemoveMsg, TRUE );
TRACE( "peekmessage %04x, hwnd %04x, filter(%04x - %04x)\n",
lpmsg->message, hwnd, min, max );
if (ret) HOOK_CallHooksA( WH_GETMESSAGE, HC_ACTION,
wRemoveMsg & PM_REMOVE, (LPARAM)lpmsg );
return ret;
}
/***********************************************************************
* PeekMessageW (USER32.@) 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, /* [out] buffer to receive message */
HWND hwnd, /* [in] restrict to messages for hwnd */
UINT min, /* [in] minimum message to receive */
UINT max, /* [in] maximum message to receive */
UINT wRemoveMsg /* [in] removal flags */
)
{
BOOL ret = MSG_PeekMessage( QMSG_WIN32W, lpmsg, hwnd, min, max, wRemoveMsg, TRUE );
if (ret) HOOK_CallHooksW( WH_GETMESSAGE, HC_ACTION,
wRemoveMsg & PM_REMOVE, (LPARAM)lpmsg );
return ret;
}
/***********************************************************************
* GetMessage32 (USER.820)
*/
BOOL16 WINAPI GetMessage32_16( SEGPTR msg16_32, HWND16 hWnd, UINT16 first,
UINT16 last, BOOL16 wHaveParamHigh )
{
MSG32_16 *lpmsg16_32 = MapSL(msg16_32);
MSG msg;
MSG_PeekMessage( QMSG_WIN16, &msg, hWnd, first, last, PM_REMOVE, FALSE );
lpmsg16_32->msg.hwnd = msg.hwnd;
lpmsg16_32->msg.message = msg.message;
lpmsg16_32->msg.wParam = LOWORD(msg.wParam);
lpmsg16_32->msg.lParam = msg.lParam;
lpmsg16_32->msg.time = msg.time;
lpmsg16_32->msg.pt.x = (INT16)msg.pt.x;
lpmsg16_32->msg.pt.y = (INT16)msg.pt.y;
if ( wHaveParamHigh )
lpmsg16_32->wParamHigh = HIWORD(msg.wParam);
TRACE( "message %04x, hwnd %04x, filter(%04x - %04x)\n",
lpmsg16_32->msg.message, hWnd, first, last );
HOOK_CallHooks16( WH_GETMESSAGE, HC_ACTION, PM_REMOVE, (LPARAM)msg16_32 );
return lpmsg16_32->msg.message != WM_QUIT;
}
/***********************************************************************
* GetMessage (USER.108)
*/
BOOL16 WINAPI GetMessage16( SEGPTR msg, HWND16 hwnd, UINT16 first, UINT16 last)
{
return GetMessage32_16( msg, hwnd, first, last, FALSE );
}
/***********************************************************************
* GetMessageA (USER32.@)
*/
BOOL WINAPI GetMessageA( MSG *lpmsg, HWND hwnd, UINT min, UINT max )
{
MSG_PeekMessage( QMSG_WIN32A, lpmsg, hwnd, min, max, PM_REMOVE, FALSE );
TRACE( "message %04x, hwnd %04x, filter(%04x - %04x)\n",
lpmsg->message, hwnd, min, max );
HOOK_CallHooksA( WH_GETMESSAGE, HC_ACTION, PM_REMOVE, (LPARAM)lpmsg );
return lpmsg->message != WM_QUIT;
}
/***********************************************************************
* GetMessageW (USER32.@) 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, /* [out] buffer to receive message */
HWND hwnd, /* [in] restrict to messages for hwnd */
UINT min, /* [in] minimum message to receive */
UINT max /* [in] maximum message to receive */
)
{
MSG_PeekMessage( QMSG_WIN32W, lpmsg, hwnd, min, max, PM_REMOVE, FALSE );
TRACE( "message %04x, hwnd %04x, filter(%04x - %04x)\n",
lpmsg->message, hwnd, min, max );
HOOK_CallHooksW( WH_GETMESSAGE, HC_ACTION, PM_REMOVE, (LPARAM)lpmsg );
return lpmsg->message != WM_QUIT;
}
/***********************************************************************
* MSG_PostToQueue
*/
static BOOL MSG_PostToQueue( DWORD tid, int type, HWND hwnd,
UINT message, WPARAM wParam, LPARAM lParam )
{
unsigned int res;
TRACE( "posting %x %x (%s) %x %lx\n", hwnd, message, SPY_GetMsgName(message), wParam, lParam );
SERVER_START_REQ( send_message )
{
req->posted = TRUE;
req->id = (void *)tid;
req->type = type;
req->win = hwnd;
req->msg = message;
req->wparam = wParam;
req->lparam = lParam;
req->info = 0;
res = SERVER_CALL();
}
SERVER_END_REQ;
if (res)
{
if (res == STATUS_INVALID_PARAMETER)
SetLastError( ERROR_INVALID_THREAD_ID );
else
SetLastError( RtlNtStatusToDosError(res) );
}
return !res;
}
/***********************************************************************
* MSG_IsPointerMessage
*
* Check whether this message (may) contain pointers.
* Those messages may not be PostMessage()d or GetMessage()d, but are dropped.
*
* FIXME: list of pointer messages might be incomplete.
*
* (We could do a generic !IsBadWritePtr() check, but this would cause too
* much slow down I think. MM20010206)
*/
static BOOL MSG_IsPointerMessage(UINT message, WPARAM wParam, LPARAM lParam) {
switch (message) {
case WM_CREATE:
case WM_NCCREATE:
case WM_COMPAREITEM:
case WM_DELETEITEM:
case WM_MEASUREITEM:
case WM_DRAWITEM:
case WM_GETMINMAXINFO:
case WM_GETTEXT:
case WM_SETTEXT:
case WM_MDICREATE:
case WM_MDIGETACTIVE:
case WM_NCCALCSIZE:
case WM_WINDOWPOSCHANGING:
case WM_WINDOWPOSCHANGED:
case WM_NOTIFY:
case WM_GETDLGCODE:
case WM_WININICHANGE:
case WM_HELP:
case WM_COPYDATA:
case WM_STYLECHANGING:
case WM_STYLECHANGED:
case WM_DROPOBJECT:
case WM_DRAGMOVE:
case WM_DRAGSELECT:
case WM_QUERYDROPOBJECT:
case CB_DIR:
case CB_ADDSTRING:
case CB_INSERTSTRING:
case CB_FINDSTRING:
case CB_FINDSTRINGEXACT:
case CB_SELECTSTRING:
case CB_GETLBTEXT:
case CB_GETDROPPEDCONTROLRECT:
case LB_DIR:
case LB_ADDFILE:
case LB_ADDSTRING:
case LB_INSERTSTRING:
case LB_GETTEXT:
case LB_GETITEMRECT:
case LB_FINDSTRING:
case LB_FINDSTRINGEXACT:
case LB_SELECTSTRING:
case LB_GETSELITEMS:
case LB_SETTABSTOPS:
case EM_REPLACESEL:
case EM_GETSEL:
case EM_GETRECT:
case EM_SETRECT:
case EM_SETRECTNP:
case EM_GETLINE:
case EM_SETTABSTOPS:
return TRUE;
default:
return FALSE;
}
}
/***********************************************************************
* MSG_PostMessage
*/
static BOOL MSG_PostMessage( int type, HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam )
{
WND *wndPtr;
/* See thread on wine-devel around 6.2.2001. Basically posted messages
* that are known to contain pointers are dropped by the Windows 32bit
* PostMessage() with return FALSE; and invalid parameter last error.
* (tested against NT4 by Gerard Patel)
* 16 bit does not care, so we don't either.
*/
if ( (type!=QMSG_WIN16) && MSG_IsPointerMessage(message,wParam,lParam)) {
FIXME("Ignoring posted pointer message 0x%04x to hwnd 0x%04x.\n",
message,hwnd
);
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (hwnd == HWND_BROADCAST)
{
WND *pDesktop = WIN_GetDesktop();
TRACE("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("BROADCAST Message to hWnd=%04x m=%04X w=%04X l=%08lX !\n",
wndPtr->hwndSelf, message, wParam, lParam);
MSG_PostToQueue( GetWindowThreadProcessId( wndPtr->hwndSelf, NULL ), type,
wndPtr->hwndSelf, message, wParam, lParam );
}
}
WIN_ReleaseDesktop();
TRACE("End of HWND_BROADCAST !\n");
return TRUE;
}
return MSG_PostToQueue( GetWindowThreadProcessId( hwnd, NULL ),
type, hwnd, message, wParam, lParam );
}
/***********************************************************************
* PostMessage (USER.110)
*/
BOOL16 WINAPI PostMessage16( HWND16 hwnd, UINT16 message, WPARAM16 wParam,
LPARAM lParam )
{
return (BOOL16) MSG_PostMessage( QMSG_WIN16, hwnd, message, wParam, lParam );
}
/***********************************************************************
* PostMessageA (USER32.@)
*/
BOOL WINAPI PostMessageA( HWND hwnd, UINT message, WPARAM wParam,
LPARAM lParam )
{
return MSG_PostMessage( QMSG_WIN32A, hwnd, message, wParam, lParam );
}
/***********************************************************************
* PostMessageW (USER32.@)
*/
BOOL WINAPI PostMessageW( HWND hwnd, UINT message, WPARAM wParam,
LPARAM lParam )
{
return MSG_PostMessage( QMSG_WIN32W, hwnd, message, wParam, lParam );
}
/***********************************************************************
* PostAppMessage (USER.116)
* PostAppMessage16 (USER32.@)
*/
BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 message,
WPARAM16 wParam, LPARAM lParam )
{
TDB *pTask = TASK_GetPtr( hTask );
if (!pTask) return FALSE;
return MSG_PostToQueue( (DWORD)pTask->teb->tid, QMSG_WIN16, 0, message, wParam, lParam );
}
/**********************************************************************
* PostThreadMessageA (USER32.@)
*/
BOOL WINAPI PostThreadMessageA( DWORD idThread, UINT message,
WPARAM wParam, LPARAM lParam )
{
return MSG_PostToQueue( idThread, QMSG_WIN32A, 0, message, wParam, lParam );
}
/**********************************************************************
* PostThreadMessageW (USER32.@)
*/
BOOL WINAPI PostThreadMessageW( DWORD idThread, UINT message,
WPARAM wParam, LPARAM lParam )
{
return MSG_PostToQueue( idThread, QMSG_WIN32W, 0, message, wParam, lParam );
}
/************************************************************************
* 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
*/
static LRESULT MSG_SendMessage( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam, DWORD timeout, WORD type,
LRESULT *pRes)
{
WND * wndPtr = 0;
WND **list, **ppWnd;
LRESULT ret = 1;
if (pRes) *pRes = 0;
if (hwnd == HWND_BROADCAST|| hwnd == HWND_TOPMOST)
{
if (pRes) *pRes = 1;
if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
{
WIN_ReleaseDesktop();
return 1;
}
WIN_ReleaseDesktop();
TRACE("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("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, type, pRes);
}
}
WIN_ReleaseWndPtr(wndPtr);
WIN_ReleaseWinArray(list);
TRACE("End of HWND_BROADCAST !\n");
return 1;
}
if (HOOK_IsHooked( WH_CALLWNDPROC ))
{
switch(type)
{
case QMSG_WIN16:
{
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 );
}
}
break;
case QMSG_WIN32A:
MSG_CallWndProcHook( (LPMSG)&hwnd, FALSE);
break;
case QMSG_WIN32W:
MSG_CallWndProcHook( (LPMSG)&hwnd, TRUE);
break;
}
}
if (!(wndPtr = WIN_FindWndPtr( hwnd )))
{
WARN("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 (type != QMSG_WIN16)
SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wParam, lParam );
else
SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wParam, lParam );
if (wndPtr->hmemTaskQ && wndPtr->hmemTaskQ != GetFastQueue16())
ret = MSG_SendMessageInterThread( wndPtr->hmemTaskQ, hwnd, msg,
wParam, lParam, timeout, type, pRes );
else
{
LRESULT res = 0;
/* Call the right CallWindowProc flavor */
switch(type)
{
case QMSG_WIN16:
res = CallWindowProc16( (WNDPROC16)wndPtr->winproc, hwnd, msg, wParam, lParam );
break;
case QMSG_WIN32A:
res = CallWindowProcA( (WNDPROC)wndPtr->winproc, hwnd, msg, wParam, lParam );
break;
case QMSG_WIN32W:
res = CallWindowProcW( (WNDPROC)wndPtr->winproc, hwnd, msg, wParam, lParam );
break;
}
if (pRes) *pRes = res;
}
if (type != QMSG_WIN16)
SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, pRes?*pRes:0, wParam, lParam );
else
SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, pRes?*pRes:0, wParam, lParam );
END:
WIN_ReleaseWndPtr(wndPtr);
return ret;
}
/***********************************************************************
* SendMessage (USER.111)
*/
LRESULT WINAPI SendMessage16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
LPARAM lParam)
{
LRESULT res;
MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, QMSG_WIN16, &res);
return res;
}
/***********************************************************************
* SendMessageA (USER32.@)
*/
LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam )
{
LRESULT res;
MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, QMSG_WIN32A, &res);
return res;
}
/***********************************************************************
* SendMessageW (USER32.@) 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, /* [in] Window to send message to. If HWND_BROADCAST,
the message will be sent to all top-level windows. */
UINT msg, /* [in] message */
WPARAM wParam, /* [in] message parameter */
LPARAM lParam /* [in] additional message parameter */
) {
LRESULT res;
MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, QMSG_WIN32W, &res);
return res;
}
/***********************************************************************
* SendMessageTimeout (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, QMSG_WIN16, &msgRet);
if (resultp) *resultp = (WORD) msgRet;
return ret;
}
/***********************************************************************
* SendMessageTimeoutA (USER32.@)
*/
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, QMSG_WIN32A, &msgRet);
if (resultp) *resultp = (DWORD) msgRet;
return ret;
}
/***********************************************************************
* SendMessageTimeoutW (USER32.@)
*/
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, QMSG_WIN32W, &msgRet);
if (resultp) *resultp = (DWORD) msgRet;
return ret;
}
/***********************************************************************
* WaitMessage (USER.112) (USER32.@) Suspend thread pending messages
*
* WaitMessage() suspends a thread until events appear in the thread's
* queue.
*/
BOOL WINAPI WaitMessage(void)
{
return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
}
/***********************************************************************
* MsgWaitForMultipleObjectsEx (USER32.@)
*/
DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
DWORD timeout, DWORD mask, DWORD flags )
{
HANDLE handles[MAXIMUM_WAIT_OBJECTS];
DWORD i, ret;
HQUEUE16 hQueue = GetFastQueue16();
MESSAGEQUEUE *msgQueue;
if (count > MAXIMUM_WAIT_OBJECTS-1)
{
SetLastError( ERROR_INVALID_PARAMETER );
return WAIT_FAILED;
}
if (!(msgQueue = QUEUE_Lock( hQueue ))) return WAIT_FAILED;
/* set the queue mask */
SERVER_START_REQ( set_queue_mask )
{
req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
req->changed_mask = mask;
req->skip_wait = 0;
SERVER_CALL();
}
SERVER_END_REQ;
/* Add the thread event to the handle list */
for (i = 0; i < count; i++) handles[i] = pHandles[i];
handles[count] = msgQueue->server_queue;
if (USER_Driver.pMsgWaitForMultipleObjectsEx)
{
ret = USER_Driver.pMsgWaitForMultipleObjectsEx( count+1, handles, timeout, mask, flags );
if (ret == count+1) ret = count; /* pretend the msg queue is ready */
}
else
ret = WaitForMultipleObjectsEx( count+1, handles, flags & MWMO_WAITALL,
timeout, flags & MWMO_ALERTABLE );
QUEUE_Unlock( msgQueue );
return ret;
}
/***********************************************************************
* MsgWaitForMultipleObjects (USER32.@)
*/
DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
BOOL wait_all, DWORD timeout, DWORD mask )
{
return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
wait_all ? MWMO_WAITALL : 0 );
}
/***********************************************************************
* MsgWaitForMultipleObjects16 (USER.640)
*/
DWORD WINAPI MsgWaitForMultipleObjects16( DWORD count, CONST HANDLE *handles,
BOOL wait_all, DWORD timeout, DWORD mask )
{
return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
wait_all ? MWMO_WAITALL : 0 );
}
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;
WCHAR wp[2];
if (message != WM_MOUSEMOVE && message != WM_TIMER)
TRACE("(%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 %s (%04x), scancode %02x\n",
SPY_GetVKeyName(wParam), wParam, LOBYTE(HIWORD(lParam)));
/* FIXME : should handle ToUnicode yielding 2 */
switch (ToUnicode(wParam, HIWORD(lParam), QueueKeyStateTable, wp, 2, 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));
PostMessageW( 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));
PostMessageW( hwnd, message, wp[0], lParam );
return TRUE;
}
return FALSE;
}
/***********************************************************************
* TranslateMessage (USER.113)
*/
BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
{
return MSG_DoTranslateMessage( msg->message, msg->hwnd,
msg->wParam, msg->lParam );
}
/***********************************************************************
* 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 );
}
/***********************************************************************
* TranslateMessage (USER32.@)
*/
BOOL WINAPI TranslateMessage( const MSG *msg )
{
return MSG_DoTranslateMessage( msg->message, msg->hwnd,
msg->wParam, msg->lParam );
}
/***********************************************************************
* DispatchMessage (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)
{
/* before calling window proc, verify whether timer is still valid;
there's a slim chance that the application kills the timer
between GetMessage and DispatchMessage API calls */
if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
return 0; /* invalid winproc */
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,
msg->wParam, msg->lParam );
WIN_ReleaseWndPtr(wndPtr);
wndPtr = WIN_FindWndPtr(msg->hwnd);
if (painting && wndPtr &&
(wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
{
ERR("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;
}
/***********************************************************************
* 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);
}
}
/***********************************************************************
* DispatchMessageA (USER32.@)
*/
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 ); */
/* before calling window proc, verify whether timer is still valid;
there's a slim chance that the application kills the timer
between GetMessage and DispatchMessage API calls */
if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
return 0; /* invalid winproc */
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,
msg->wParam, msg->lParam );
WIN_ReleaseWndPtr(wndPtr);
wndPtr = WIN_FindWndPtr(msg->hwnd);
if (painting && wndPtr &&
(wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
{
ERR("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 */
RedrawWindow( wndPtr->hwndSelf, NULL, 0,
RDW_FRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
}
END:
WIN_ReleaseWndPtr(wndPtr);
return retval;
}
/***********************************************************************
* DispatchMessageW (USER32.@) 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 ); */
/* before calling window proc, verify whether timer is still valid;
there's a slim chance that the application kills the timer
between GetMessage and DispatchMessage API calls */
if (!TIMER_IsTimerValid(msg->hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
return 0; /* invalid winproc */
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,
msg->wParam, msg->lParam );
WIN_ReleaseWndPtr(wndPtr);
wndPtr = WIN_FindWndPtr(msg->hwnd);
if (painting && wndPtr &&
(wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate)
{
ERR("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;
}
/***********************************************************************
* RegisterWindowMessage (USER.118)
* RegisterWindowMessageA (USER32.@)
*/
WORD WINAPI RegisterWindowMessageA( LPCSTR str )
{
TRACE("%s\n", str );
return GlobalAddAtomA( str );
}
/***********************************************************************
* RegisterWindowMessageW (USER32.@)
*/
WORD WINAPI RegisterWindowMessageW( LPCWSTR str )
{
TRACE("%p\n", str );
return GlobalAddAtomW( str );
}
/***********************************************************************
* InSendMessage (USER.192)
*/
BOOL16 WINAPI InSendMessage16(void)
{
return InSendMessage();
}
/***********************************************************************
* InSendMessage (USER32.@)
*/
BOOL WINAPI InSendMessage(void)
{
return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
}
/***********************************************************************
* InSendMessageEx (USER32.@)
*/
DWORD WINAPI InSendMessageEx( LPVOID reserved )
{
DWORD ret = 0;
SERVER_START_REQ( in_send_message )
{
if (!SERVER_CALL_ERR()) ret = req->flags;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* BroadcastSystemMessage (USER32.@)
*/
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.@)
*/
BOOL WINAPI SendNotifyMessageA(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
{
return MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, QMSG_WIN32A, NULL);
}
/***********************************************************************
* SendNotifyMessageW (USER32.@)
*/
BOOL WINAPI SendNotifyMessageW(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
{
return MSG_SendMessage(hwnd, msg, wParam, lParam, INFINITE, QMSG_WIN32W, NULL);
}
/***********************************************************************
* SendMessageCallbackA (USER32.@)
* FIXME: It's like PostMessage. The callback gets called when the message
* is processed. We have to modify the message processing for an exact
* implementation...
* The callback is only called when the thread that called us calls one of
* Get/Peek/WaitMessage.
*/
BOOL WINAPI SendMessageCallbackA(
HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam,
FARPROC lpResultCallBack,DWORD dwData)
{
FIXME("(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("Broadcast: Callback will not be called!\n");
return TRUE;
}
(lpResultCallBack)( hWnd, Msg, dwData, SendMessageA ( hWnd, Msg, wParam, lParam ));
return TRUE;
}
/***********************************************************************
* SendMessageCallbackW (USER32.@)
* FIXME: see SendMessageCallbackA.
*/
BOOL WINAPI SendMessageCallbackW(
HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam,
FARPROC lpResultCallBack,DWORD dwData)
{
FIXME("(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("Broadcast: Callback will not be called!\n");
return TRUE;
}
(lpResultCallBack)( hWnd, Msg, dwData, SendMessageA ( hWnd, Msg, wParam, lParam ));
return TRUE;
}
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