Sweden-Number/dlls/user/msg16.c

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/*
* 16-bit messaging support
*
* Copyright 2001 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "wine/winuser16.h"
#include "winerror.h"
#include "hook.h"
#include "message.h"
#include "spy.h"
#include "task.h"
#include "thread.h"
#include "win.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msg);
DWORD USER16_AlertableWait = 0;
/***********************************************************************
* SendMessage (USER.111)
*/
LRESULT WINAPI SendMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
{
LRESULT result;
HWND hwnd = WIN_Handle32( hwnd16 );
if (hwnd != HWND_BROADCAST && WIN_IsCurrentThread(hwnd))
{
/* call 16-bit window proc directly */
WNDPROC16 winproc;
/* first the WH_CALLWNDPROC hook */
if (HOOK_IsHooked( WH_CALLWNDPROC ))
{
CWPSTRUCT16 cwp;
SEGPTR seg_cwp;
cwp.hwnd = hwnd16;
cwp.message = msg;
cwp.wParam = wparam;
cwp.lParam = lparam;
seg_cwp = MapLS( &cwp );
HOOK_CallHooks16( WH_CALLWNDPROC, HC_ACTION, 1, seg_cwp );
UnMapLS( seg_cwp );
if (cwp.hwnd != hwnd16)
{
hwnd16 = cwp.hwnd;
hwnd = WIN_Handle32( hwnd16 );
}
msg = cwp.message;
wparam = cwp.wParam;
lparam = cwp.lParam;
}
if (!(winproc = (WNDPROC16)GetWindowLong16( hwnd16, GWL_WNDPROC ))) return 0;
SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wparam, lparam );
result = CallWindowProc16( (WNDPROC16)winproc, hwnd16, msg, wparam, lparam );
SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg, result, wparam, lparam );
}
else /* map to 32-bit unicode for inter-thread/process message */
{
UINT msg32;
WPARAM wparam32;
if (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ) == -1)
return 0;
result = WINPROC_UnmapMsg16To32W( hwnd, msg32, wparam32, lparam,
SendMessageW( hwnd, msg32, wparam32, lparam ) );
}
return result;
}
/***********************************************************************
* PostMessage (USER.110)
*/
BOOL16 WINAPI PostMessage16( HWND16 hwnd16, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
{
WPARAM wparam32;
UINT msg32;
HWND hwnd = WIN_Handle32( hwnd16 );
switch (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ))
{
case 0:
return PostMessageW( hwnd, msg32, wparam32, lparam );
case 1:
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ERR( "16-bit message 0x%04x contains pointer, cannot post\n", msg );
return FALSE;
default:
return FALSE;
}
}
/***********************************************************************
* PostAppMessage (USER.116)
* PostAppMessage16 (USER32.@)
*/
BOOL16 WINAPI PostAppMessage16( HTASK16 hTask, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
{
WPARAM wparam32;
UINT msg32;
TDB *pTask = TASK_GetPtr( hTask );
if (!pTask) return FALSE;
switch (WINPROC_MapMsg16To32W( 0, msg, wparam, &msg32, &wparam32, &lparam ))
{
case 0:
return PostThreadMessageW( (DWORD)pTask->teb->tid, msg32, wparam32, lparam );
case 1:
ERR( "16-bit message %x contains pointer, cannot post\n", msg );
return FALSE;
default:
return FALSE;
}
}
/***********************************************************************
* InSendMessage (USER.192)
*/
BOOL16 WINAPI InSendMessage16(void)
{
return InSendMessage();
}
/***********************************************************************
* ReplyMessage (USER.115)
*/
void WINAPI ReplyMessage16( LRESULT result )
{
ReplyMessage( result );
}
/***********************************************************************
* PeekMessage32 (USER.819)
*/
BOOL16 WINAPI PeekMessage32_16( MSG32_16 *msg16, HWND16 hwnd16,
UINT16 first, UINT16 last, UINT16 flags,
BOOL16 wHaveParamHigh )
{
MSG msg;
HWND hwnd = WIN_Handle32( hwnd16 );
if(USER16_AlertableWait)
MsgWaitForMultipleObjectsEx( 0, NULL, 1, 0, MWMO_ALERTABLE );
if (!PeekMessageW( &msg, hwnd, first, last, flags )) return FALSE;
msg16->msg.hwnd = HWND_16( msg.hwnd );
msg16->msg.lParam = msg.lParam;
msg16->msg.time = msg.time;
msg16->msg.pt.x = (INT16)msg.pt.x;
msg16->msg.pt.y = (INT16)msg.pt.y;
if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
return (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
&msg16->msg.message, &msg16->msg.wParam,
&msg16->msg.lParam ) != -1);
}
/***********************************************************************
* PeekMessage (USER.109)
*/
BOOL16 WINAPI PeekMessage16( MSG16 *msg, HWND16 hwnd,
UINT16 first, UINT16 last, UINT16 flags )
{
return PeekMessage32_16( (MSG32_16 *)msg, hwnd, first, last, flags, FALSE );
}
/***********************************************************************
* GetMessage32 (USER.820)
*/
BOOL16 WINAPI GetMessage32_16( MSG32_16 *msg16, HWND16 hwnd16, UINT16 first,
UINT16 last, BOOL16 wHaveParamHigh )
{
MSG msg;
HWND hwnd = WIN_Handle32( hwnd16 );
do
{
if(USER16_AlertableWait)
MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, 0, MWMO_ALERTABLE );
GetMessageW( &msg, hwnd, first, last );
msg16->msg.hwnd = HWND_16( msg.hwnd );
msg16->msg.lParam = msg.lParam;
msg16->msg.time = msg.time;
msg16->msg.pt.x = (INT16)msg.pt.x;
msg16->msg.pt.y = (INT16)msg.pt.y;
if (wHaveParamHigh) msg16->wParamHigh = HIWORD(msg.wParam);
}
while (WINPROC_MapMsg32WTo16( msg.hwnd, msg.message, msg.wParam,
&msg16->msg.message, &msg16->msg.wParam,
&msg16->msg.lParam ) == -1);
TRACE( "message %04x, hwnd %04x, filter(%04x - %04x)\n",
msg16->msg.message, hwnd, first, last );
return msg16->msg.message != WM_QUIT;
}
/***********************************************************************
* GetMessage (USER.108)
*/
BOOL16 WINAPI GetMessage16( MSG16 *msg, HWND16 hwnd, UINT16 first, UINT16 last )
{
return GetMessage32_16( (MSG32_16 *)msg, hwnd, first, last, FALSE );
}
/***********************************************************************
* TranslateMessage32 (USER.821)
*/
BOOL16 WINAPI TranslateMessage32_16( const MSG32_16 *msg, BOOL16 wHaveParamHigh )
{
MSG msg32;
msg32.hwnd = WIN_Handle32( msg->msg.hwnd );
msg32.message = msg->msg.message;
msg32.wParam = MAKEWPARAM( msg->msg.wParam, wHaveParamHigh ? msg->wParamHigh : 0 );
msg32.lParam = msg->msg.lParam;
return TranslateMessage( &msg32 );
}
/***********************************************************************
* TranslateMessage (USER.113)
*/
BOOL16 WINAPI TranslateMessage16( const MSG16 *msg )
{
return TranslateMessage32_16( (MSG32_16 *)msg, FALSE );
}
/***********************************************************************
* DispatchMessage (USER.114)
*/
LONG WINAPI DispatchMessage16( const MSG16* msg )
{
WND * wndPtr;
WNDPROC16 winproc;
LONG retval;
int painting;
HWND hwnd = WIN_Handle32( msg->hwnd );
/* 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(hwnd, (UINT) msg->wParam, (HWINDOWPROC) msg->lParam))
return 0; /* invalid winproc */
return CallWindowProc16( (WNDPROC16)msg->lParam, msg->hwnd,
msg->message, msg->wParam, GetTickCount() );
}
}
if (!(wndPtr = WIN_GetPtr( HWND_32(msg->hwnd) )))
{
if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (wndPtr == WND_OTHER_PROCESS)
{
if (IsWindow16( msg->hwnd ))
ERR( "cannot dispatch msg to other process window %x\n", msg->hwnd );
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (!(winproc = (WNDPROC16)wndPtr->winproc))
{
WIN_ReleasePtr( wndPtr );
return 0;
}
painting = (msg->message == WM_PAINT);
if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
WIN_ReleasePtr( wndPtr );
SPY_EnterMessage( SPY_DISPATCHMESSAGE16, hwnd, msg->message, msg->wParam, msg->lParam );
retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
SPY_ExitMessage( SPY_RESULT_OK16, hwnd, msg->message, retval, msg->wParam, msg->lParam );
if (painting && (wndPtr = WIN_GetPtr( hwnd )) && (wndPtr != WND_OTHER_PROCESS))
{
BOOL validate = ((wndPtr->flags & WIN_NEEDS_BEGINPAINT) && wndPtr->hrgnUpdate);
wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
WIN_ReleasePtr( wndPtr );
if (validate)
{
ERR( "BeginPaint not called on WM_PAINT for hwnd %04x!\n", msg->hwnd );
/* Validate the update region to avoid infinite WM_PAINT loop */
RedrawWindow( hwnd, NULL, 0,
RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
}
}
return retval;
}
/***********************************************************************
* DispatchMessage32 (USER.822)
*/
LONG WINAPI DispatchMessage32_16( const MSG32_16 *msg16, BOOL16 wHaveParamHigh )
{
if (wHaveParamHigh == FALSE)
return DispatchMessage16( &msg16->msg );
else
{
MSG msg;
msg.hwnd = WIN_Handle32( msg16->msg.hwnd );
msg.message = msg16->msg.message;
msg.wParam = MAKEWPARAM( msg16->msg.wParam, msg16->wParamHigh );
msg.lParam = msg16->msg.lParam;
msg.time = msg16->msg.time;
msg.pt.x = msg16->msg.pt.x;
msg.pt.y = msg16->msg.pt.y;
return DispatchMessageA( &msg );
}
}
/***********************************************************************
* IsDialogMessage (USER.90)
*/
BOOL16 WINAPI IsDialogMessage16( HWND16 hwndDlg, MSG16 *msg16 )
{
MSG msg;
switch(msg16->message)
{
case WM_KEYDOWN:
case WM_CHAR:
case WM_SYSCHAR:
msg.hwnd = WIN_Handle32(msg16->hwnd);
msg.lParam = msg16->lParam;
WINPROC_MapMsg16To32W( msg.hwnd, msg16->message, msg16->wParam,
&msg.message, &msg.wParam, &msg.lParam );
/* these messages don't need an unmap */
return IsDialogMessageW( WIN_Handle32(hwndDlg), &msg );
}
TranslateMessage16( msg16 );
DispatchMessage16( msg16 );
return TRUE;
}
/***********************************************************************
* MsgWaitForMultipleObjects (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 );
}
/**********************************************************************
* SetDoubleClickTime (USER.20)
*/
void WINAPI SetDoubleClickTime16( UINT16 interval )
{
SetDoubleClickTime( interval );
}
/**********************************************************************
* GetDoubleClickTime (USER.21)
*/
UINT16 WINAPI GetDoubleClickTime16(void)
{
return GetDoubleClickTime();
}
/***********************************************************************
* PostQuitMessage (USER.6)
*/
void WINAPI PostQuitMessage16( INT16 exitCode )
{
PostQuitMessage( exitCode );
}
/***********************************************************************
* SetMessageQueue (USER.266)
*/
BOOL16 WINAPI SetMessageQueue16( INT16 size )
{
return SetMessageQueue( size );
}
/***********************************************************************
* GetQueueStatus (USER.334)
*/
DWORD WINAPI GetQueueStatus16( UINT16 flags )
{
return GetQueueStatus( flags );
}
/***********************************************************************
* GetInputState (USER.335)
*/
BOOL16 WINAPI GetInputState16(void)
{
return GetInputState();
}
/**********************************************************************
* TranslateAccelerator (USER.178)
*/
INT16 WINAPI TranslateAccelerator16( HWND16 hwnd, HACCEL16 hAccel, LPMSG16 msg )
{
MSG msg32;
if (!msg) return 0;
msg32.message = msg->message;
/* msg32.hwnd not used */
msg32.wParam = msg->wParam;
msg32.lParam = msg->lParam;
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return TranslateAccelerator( WIN_Handle32(hwnd), HACCEL_32(hAccel), &msg32 );
}
/**********************************************************************
* TranslateMDISysAccel (USER.451)
*/
BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
{
if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
{
MSG msg32;
msg32.hwnd = WIN_Handle32(msg->hwnd);
msg32.message = msg->message;
msg32.wParam = msg->wParam;
msg32.lParam = msg->lParam;
/* MDICLIENTINFO is still the same for win32 and win16 ... */
return TranslateMDISysAccel( WIN_Handle32(hwndClient), &msg32 );
}
return 0;
}