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/*++
* * WOW v1.0 * * Copyright (c) 1991, Microsoft Corporation * * WMSGLB.C * WOW32 16-bit message thunks * * History: * Created 11-Mar-1991 by Jeff Parsons (jeffpar)--*/
#include "precomp.h"
#pragma hdrstop
MODNAME(wmsglb.c);
#ifdef DEBUG
MSGINFO amiLB[] = { {OLDLB_ADDSTRING, "LB_ADDSTRING"}, // 0x0401
{OLDLB_INSERTSTRING, "LB_INSERTSTRING"}, // 0x0402
{OLDLB_DELETESTRING, "LB_DELETESTRING"}, // 0x0403
{OLDLB_RESETCONTENT, "LB_RESETCONTENT"}, // 0x0405
{OLDLB_SETSEL, "LB_SETSEL"}, // 0x0406
{OLDLB_SETCURSEL, "LB_SETCURSEL"}, // 0x0407
{OLDLB_GETSEL, "LB_GETSEL"}, // 0x0408
{OLDLB_GETCURSEL, "LB_GETCURSEL"}, // 0x0409
{OLDLB_GETTEXT, "LB_GETTEXT"}, // 0x040A
{OLDLB_GETTEXTLEN, "LB_GETTEXTLEN"}, // 0x040B
{OLDLB_GETCOUNT, "LB_GETCOUNT"}, // 0x040C
{OLDLB_SELECTSTRING, "LB_SELECTSTRING"}, // 0x040D
{OLDLB_DIR, "LB_DIR"}, // 0x040E
{OLDLB_GETTOPINDEX, "LB_GETTOPINDEX"}, // 0x040F
{OLDLB_FINDSTRING, "LB_FINDSTRING"}, // 0x0410
{OLDLB_GETSELCOUNT, "LB_GETSELCOUNT"}, // 0x0411
{OLDLB_GETSELITEMS, "LB_GETSELITEMS"}, // 0x0412
{OLDLB_SETTABSTOPS, "LB_SETTABSTOPS"}, // 0x0413
{OLDLB_GETHORIZONTALEXTENT, "LB_GETHORIZONTALEXTENT"}, // 0x0414
{OLDLB_SETHORIZONTALEXTENT, "LB_SETHORIZONTALEXTENT"}, // 0x0415
{OLDLB_SETCOLUMNWIDTH, "LB_SETCOLUMNWIDTH"}, // 0x0416
{OLDLB_ADDFILE, "LB_ADDFILE"}, // 0x0417
{OLDLB_SETTOPINDEX, "LB_SETTOPINDEX"}, // 0x0418
{OLDLB_GETITEMRECT, "LB_GETITEMRECT"}, // 0x0419
{OLDLB_GETITEMDATA, "LB_GETITEMDATA"}, // 0x041A
{OLDLB_SETITEMDATA, "LB_SETITEMDATA"}, // 0x041B
{OLDLB_SELITEMRANGE, "LB_SELITEMRANGE"}, // 0x041C
{OLDLB_SETANCHORINDEX, "LB_SETANCHORINDEX"}, // 0x041D
{OLDLB_GETANCHORINDEX, "LB_GETANCHORINDEX"}, // 0x041E
{OLDLB_SETCARETINDEX, "LB_SETCARETINDEX"}, // 0x041F
{OLDLB_GETCARETINDEX, "LB_GETCARETINDEX"}, // 0x0420
{OLDLB_SETITEMHEIGHT, "LB_SETITEMHEIGHT"}, // 0x0421
{OLDLB_GETITEMHEIGHT, "LB_GETITEMHEIGHT"}, // 0x0422
{OLDLB_FINDSTRINGEXACT, "LB_FINDSTRINGEXACT"}, // 0x0423
{OLDLBCB_CARETON, "LBCB_CARETON"}, // 0x0424
{OLDLBCB_CARETOFF, "LBCB_CARETOFF"}, // 0x0425
};
PSZ GetLBMsgName(WORD wMsg){ INT i; register PMSGINFO pmi;
for (pmi=amiLB,i=NUMEL(amiLB); i>0; i--,pmi++) if ((WORD)pmi->uMsg == wMsg) return pmi->pszMsgName; return GetWMMsgName(wMsg);}
#endif
BOOL FASTCALL ThunkLBMsg16(LPMSGPARAMEX lpmpex){ register PWW pww; WORD wMsg = lpmpex->Parm16.WndProc.wMsg;
LOGDEBUG(7,(" Thunking 16-bit list box message %s(%04x)\n", (LPSZ)GetLBMsgName(wMsg), wMsg));
wMsg -= WM_USER + 1;
//
// For app defined (control) messages that are out of range
// return TRUE.
//
// ChandanC Sept-15-1992
//
if (wMsg < (LBCB_CARETOFF - LB_ADDSTRING + 1)) {
switch(lpmpex->uMsg = wMsg + LB_ADDSTRING) {
case LB_SELECTSTRING: case LB_FINDSTRING: case LB_FINDSTRINGEXACT: case LB_INSERTSTRING: case LB_ADDSTRING: if (!(pww = lpmpex->pww)) return FALSE;
if (!(pww->style & (LBS_OWNERDRAWFIXED|LBS_OWNERDRAWVARIABLE)) || (pww->style & (LBS_HASSTRINGS))) { GETPSZPTR(lpmpex->Parm16.WndProc.lParam, (LPSZ)lpmpex->lParam); } break;
case LB_DIR: GETPSZPTR(lpmpex->Parm16.WndProc.lParam, (LPSZ)lpmpex->lParam); break;
case LB_GETTEXT: if (NULL != (pww = lpmpex->pww)) { register PTHUNKTEXTDWORD pthkdword = (PTHUNKTEXTDWORD)lpmpex->MsgBuffer;
// we set this as a flag to indicate that we retrieve a dword
// instead of a string there. In case when hooks are installed
// this code prevents RISC platforms from malfunctioning in
// kernel (they have code like this:
// try {
// <assign to original ptr here>
// }
// except(1) {
// <put error message in debug>
// }
// which causes this message not to return the proper value)
// See walias.h for definition of THUNKTEXTDWORD structure as
// well as MSGPARAMEX structure
// this code is complemented in UnThunkLBMsg16
//
// Application: PeachTree Accounting v3.5
pthkdword->fDWORD = (pww->style & (LBS_OWNERDRAWFIXED|LBS_OWNERDRAWVARIABLE)) && !(pww->style & (LBS_HASSTRINGS));
if (pthkdword->fDWORD) { lpmpex->lParam = (LPARAM)(LPVOID)&pthkdword->dwDataItem; break; } } else { register PTHUNKTEXTDWORD pthkdword = (PTHUNKTEXTDWORD)lpmpex->MsgBuffer; pthkdword->fDWORD = FALSE; }
GETPSZPTR(lpmpex->Parm16.WndProc.lParam, (LPSZ)lpmpex->lParam); break;
case LB_GETITEMRECT: lpmpex->lParam = (LONG)lpmpex->MsgBuffer; break;
case LB_GETSELITEMS: (PVOID)lpmpex->lParam = STACKORHEAPALLOC(lpmpex->Parm16.WndProc.wParam * sizeof(INT), sizeof(lpmpex->MsgBuffer), lpmpex->MsgBuffer); break;
case LB_SETSEL: // sign extend
{ LPARAM lParam = lpmpex->Parm16.WndProc.lParam; lpmpex->lParam = (LOWORD(lParam) == 0xffff) ? INT32(LOWORD(lParam)) : (LONG)lParam; } break;
case LB_SETTABSTOPS: // apparently lParam is a pointer even if wParam == 1. Recorder passes
// the data so. - nandurir
{ INT cItems = INT32(lpmpex->Parm16.WndProc.wParam); if (cItems > 0) { (PVOID)lpmpex->lParam = STACKORHEAPALLOC(cItems * sizeof(INT), sizeof(lpmpex->MsgBuffer), lpmpex->MsgBuffer); getintarray16((VPINT16)lpmpex->Parm16.WndProc.lParam, cItems, (LPINT)lpmpex->lParam); } } break;
case LB_ADDSTRING + 3: if (!(CURRENTPTD()->dwWOWCompatFlagsEx & WOWCFEX_THUNKLBSELITEMRANGEEX)) { lpmpex->uMsg = 0; } break;
} } return TRUE;}
VOID FASTCALL UnThunkLBMsg16(LPMSGPARAMEX lpmpex){ switch(lpmpex->uMsg) {
case LB_GETTEXT: { register PTHUNKTEXTDWORD pthkdword = (PTHUNKTEXTDWORD)lpmpex->MsgBuffer;
if ((pthkdword->fDWORD) && (lpmpex->lReturn != LB_ERR)) { // this is a dword, not a string
// assign the dword as unaligned
UNALIGNED DWORD *lpdwDataItem;
GETVDMPTR((lpmpex->Parm16.WndProc.lParam), sizeof(DWORD), lpdwDataItem); *lpdwDataItem = pthkdword->dwDataItem; FREEVDMPTR(lpdwDataItem); break; }
}
// fall through to the common code
case LB_ADDSTRING: // BUGBUG 3-Jul-1991 JeffPar: for owner-draw list boxes, this can just be a 32-bit number
case LB_DIR: case LB_FINDSTRING: // BUGBUG 3-Jul-1991 JeffPar: for owner-draw list boxes, this can just be a 32-bit number
case LB_FINDSTRINGEXACT: case LB_INSERTSTRING: case LB_SELECTSTRING: FREEPSZPTR((LPSZ)lpmpex->lParam); break;
case LB_GETITEMRECT: if ((lpmpex->lParam) && (lpmpex->lReturn != -1L)) { putrect16((VPRECT16)lpmpex->Parm16.WndProc.lParam, (LPRECT)lpmpex->lParam); } break;
case LB_GETSELITEMS: PUTINTARRAY16V((VPINT16)lpmpex->Parm16.WndProc.lParam, (INT)(lpmpex->lReturn), (LPINT)lpmpex->lParam); STACKORHEAPFREE((LPINT)lpmpex->lParam, lpmpex->MsgBuffer); break;
case LB_SETTABSTOPS: if (lpmpex->Parm16.WndProc.wParam > 0) { STACKORHEAPFREE((LPINT)lpmpex->lParam, lpmpex->MsgBuffer); } break; }}
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