Sweden-Number/dlls/user/msg16.c

384 lines
11 KiB
C
Raw Normal View History

/*
* 16-bit messaging support
*
* Copyright 2001 Alexandre Julliard
*/
#include "wine/winuser16.h"
#include "heap.h"
#include "hook.h"
#include "message.h"
#include "spy.h"
#include "task.h"
#include "thread.h"
#include "win.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(msg);
/***********************************************************************
* SendMessage (USER.111)
*/
LRESULT WINAPI SendMessage16( HWND16 hwnd, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
{
LRESULT result;
if (hwnd != HWND_BROADCAST &&
GetWindowThreadProcessId( hwnd, NULL ) == GetCurrentThreadId())
{
/* call 16-bit window proc directly */
WND *wndPtr;
WNDPROC16 winproc;
/* first the WH_CALLWNDPROC hook */
if (HOOK_IsHooked( WH_CALLWNDPROC ))
{
CWPSTRUCT16 *cwp;
if ((cwp = SEGPTR_NEW(CWPSTRUCT16)))
{
cwp->hwnd = hwnd;
cwp->message = msg;
cwp->wParam = wparam;
cwp->lParam = lparam;
HOOK_CallHooks16( WH_CALLWNDPROC, HC_ACTION, 1, SEGPTR_GET(cwp) );
hwnd = cwp->hwnd;
msg = cwp->message;
wparam = cwp->wParam;
lparam = cwp->lParam;
SEGPTR_FREE( cwp );
}
}
if (!(wndPtr = WIN_FindWndPtr( hwnd )))
{
WARN("invalid hwnd %04x\n", hwnd );
return 0;
}
winproc = (WNDPROC16)wndPtr->winproc;
WIN_ReleaseWndPtr( wndPtr );
SPY_EnterMessage( SPY_SENDMESSAGE16, hwnd, msg, wparam, lparam );
result = CallWindowProc16( (WNDPROC16)winproc, hwnd, 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 hwnd, UINT16 msg, WPARAM16 wparam, LPARAM lparam )
{
WPARAM wparam32;
UINT msg32;
switch (WINPROC_MapMsg16To32W( hwnd, msg, wparam, &msg32, &wparam32, &lparam ))
{
case 0:
return PostMessageW( hwnd, msg32, wparam32, lparam );
case 1:
ERR( "16-bit message %x 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 hwnd,
UINT16 first, UINT16 last, UINT16 flags,
BOOL16 wHaveParamHigh )
{
MSG msg;
if (!PeekMessageW( &msg, hwnd, first, last, flags )) return FALSE;
msg16->msg.hwnd = 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 hwnd, UINT16 first,
UINT16 last, BOOL16 wHaveParamHigh )
{
MSG msg;
do
{
GetMessageW( &msg, hwnd, first, last );
msg16->msg.hwnd = 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 = 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;
/* 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 (!(wndPtr = WIN_FindWndPtr( msg->hwnd ))) return 0;
if (!wndPtr->winproc)
{
WIN_ReleaseWndPtr( wndPtr );
return 0;
}
winproc = (WNDPROC16)wndPtr->winproc;
painting = (msg->message == WM_PAINT);
if (painting) wndPtr->flags |= WIN_NEEDS_BEGINPAINT;
WIN_ReleaseWndPtr( wndPtr );
SPY_EnterMessage( SPY_DISPATCHMESSAGE16, msg->hwnd, msg->message, msg->wParam, msg->lParam );
retval = CallWindowProc16( winproc, msg->hwnd, msg->message, msg->wParam, msg->lParam );
SPY_ExitMessage( SPY_RESULT_OK16, msg->hwnd, msg->message, retval, msg->wParam, msg->lParam );
if (!painting) return retval;
if ((wndPtr = WIN_FindWndPtr( msg->hwnd )))
{
if ((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_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
}
WIN_ReleaseWndPtr( wndPtr );
}
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 = 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 );
}
}
/***********************************************************************
* 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();
}