shell.c

winNT技术操作系统,国外开放的原代码和LIUX一样

/*
 * 				Shell Library Functions
 *
 * Copyright 1998 Marcus Meissner
 * Copyright 2000 Juergen Schmied
 * Copyright 2002 Eric Pouech
 *
 * 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 "config.h"
#include "wine/port.h"

#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <ctype.h>

#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "wownt32.h"
#include "dlgs.h"
#include "shellapi.h"
#include "winuser.h"
#include "wingdi.h"
#include "shlobj.h"
#include "shlwapi.h"
#include "ddeml.h"

#include "wine/winbase16.h"
#include "wine/winuser16.h"
#include "shell32_main.h"

#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(shell);


typedef struct {     /* structure for dropped files */
 WORD     wSize;
 POINT16  ptMousePos;
 BOOL16   fInNonClientArea;
 /* memory block with filenames follows */
} DROPFILESTRUCT16, *LPDROPFILESTRUCT16;

static const char*	lpstrMsgWndCreated = "OTHERWINDOWCREATED";
static const char*	lpstrMsgWndDestroyed = "OTHERWINDOWDESTROYED";
static const char*	lpstrMsgShellActivate = "ACTIVATESHELLWINDOW";

static HWND	SHELL_hWnd = 0;
static HHOOK	SHELL_hHook = 0;
static UINT	uMsgWndCreated = 0;
static UINT	uMsgWndDestroyed = 0;
static UINT	uMsgShellActivate = 0;

/***********************************************************************
 * DllEntryPoint [SHELL.101]
 *
 * Initialization code for shell.dll. Automatically loads the
 * 32-bit shell32.dll to allow thunking up to 32-bit code.
 *
 * RETURNS
 *  Success: TRUE. Initialization completed successfully.
 *  Failure: FALSE.
 */
BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
				WORD ds, WORD HeapSize, DWORD res1, WORD res2)
{
    return TRUE;
}

/*************************************************************************
 *				DragAcceptFiles		[SHELL.9]
 */
void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
{
  DragAcceptFiles(HWND_32(hWnd), b);
}

/*************************************************************************
 *				DragQueryFile		[SHELL.11]
 */
UINT16 WINAPI DragQueryFile16(
	HDROP16 hDrop,
	WORD wFile,
	LPSTR lpszFile,
	WORD wLength)
{
 	LPSTR lpDrop;
	UINT i = 0;
	LPDROPFILESTRUCT16 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);

	TRACE("(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength);

	if(!lpDropFileStruct) goto end;

	lpDrop = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;

	while (i++ < wFile)
	{
	  while (*lpDrop++); /* skip filename */
	  if (!*lpDrop)
	  {
	    i = (wFile == 0xFFFF) ? i : 0;
	    goto end;
	  }
	}

	i = strlen(lpDrop);
	i++;
	if (!lpszFile ) goto end;   /* needed buffer size */
	i = (wLength > i) ? i : wLength;
	lstrcpynA (lpszFile,  lpDrop,  i);
end:
	GlobalUnlock16(hDrop);
	return i;
}

/*************************************************************************
 *				DragFinish		[SHELL.12]
 */
void WINAPI DragFinish16(HDROP16 h)
{
    TRACE("\n");
    GlobalFree16((HGLOBAL16)h);
}


/*************************************************************************
 *				DragQueryPoint		[SHELL.13]
 */
BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
{
  LPDROPFILESTRUCT16 lpDropFileStruct;
  BOOL16           bRet;
  TRACE("\n");
  lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);

  memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
  bRet = lpDropFileStruct->fInNonClientArea;

  GlobalUnlock16(hDrop);
  return bRet;
}

/*************************************************************************
 *             FindExecutable   (SHELL.21)
 */
HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
                                     LPSTR lpResult )
{ return HINSTANCE_16(FindExecutableA( lpFile, lpDirectory, lpResult ));
}

/*************************************************************************
 *             AboutDlgProc   (SHELL.33)
 */
BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
                               LPARAM lParam )
{ return (BOOL16)AboutDlgProc( HWND_32(hWnd), msg, wParam, lParam );
}


/*************************************************************************
 *             ShellAbout   (SHELL.22)
 */
BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
                            HICON16 hIcon )
{ return ShellAboutA( HWND_32(hWnd), szApp, szOtherStuff, HICON_32(hIcon) );
}

/*************************************************************************
 *			InternalExtractIcon		[SHELL.39]
 *
 * This abortion is called directly by Progman
 */
HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
                                     LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
{
    HGLOBAL16 hRet = 0;
    HICON16 *RetPtr = NULL;
    OFSTRUCT ofs;

	TRACE("(%04x,file %s,start %d,extract %d\n",
		       hInstance, lpszExeFileName, nIconIndex, n);

	if (!n)
	  return 0;

	hRet = GlobalAlloc16(GMEM_FIXED | GMEM_ZEROINIT, sizeof(*RetPtr) * n);
	RetPtr = (HICON16*)GlobalLock16(hRet);

	if (nIconIndex == (UINT16)-1)  /* get number of icons */
	{
	  RetPtr[0] = PrivateExtractIconsA(ofs.szPathName, 0, 0, 0, NULL, NULL, 0, LR_DEFAULTCOLOR);
	}
	else
	{
	  UINT ret;
	  HICON *icons;

	  icons = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*icons));
	  ret = PrivateExtractIconsA(ofs.szPathName, nIconIndex,
	                             GetSystemMetrics(SM_CXICON),
	                             GetSystemMetrics(SM_CYICON),
	                             icons, NULL, n, LR_DEFAULTCOLOR);
	  if ((ret != 0xffffffff) && ret)
	  {
	    int i;
	    for (i = 0; i < n; i++) RetPtr[i] = HICON_16(icons[i]);
	  }
	  else
	  {
	    GlobalFree16(hRet);
	    hRet = 0;
	  }
	  HeapFree(GetProcessHeap(), 0, icons);
	}
	return hRet;
}

/*************************************************************************
 *             ExtractIcon   (SHELL.34)
 */
HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
	UINT16 nIconIndex )
{   TRACE("\n");
    return HICON_16(ExtractIconA(HINSTANCE_32(hInstance), lpszExeFileName, nIconIndex));
}

/*************************************************************************
 *             ExtractIconEx   (SHELL.40)
 */
HICON16 WINAPI ExtractIconEx16(
	LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
	HICON16 *phiconSmall, UINT16 nIcons
) {
    HICON	*ilarge,*ismall;
    UINT16	ret;
    int		i;

    if (phiconLarge)
    	ilarge = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
    else
    	ilarge = NULL;
    if (phiconSmall)
    	ismall = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
    else
    	ismall = NULL;
    ret = HICON_16(ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons));
    if (ilarge) {
    	for (i=0;i<nIcons;i++)
	    phiconLarge[i]=HICON_16(ilarge[i]);
	HeapFree(GetProcessHeap(),0,ilarge);
    }
    if (ismall) {
    	for (i=0;i<nIcons;i++)
	    phiconSmall[i]=HICON_16(ismall[i]);
	HeapFree(GetProcessHeap(),0,ismall);
    }
    return ret;
}

/*************************************************************************
 *				ExtractAssociatedIcon	[SHELL.36]
 *
 * Return icon for given file (either from file itself or from associated
 * executable) and patch parameters if needed.
 */
HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
{
    return HICON_16(ExtractAssociatedIconA(HINSTANCE_32(hInst), lpIconPath,
		    lpiIcon));
}

/*************************************************************************
 *				FindEnvironmentString	[SHELL.38]
 *
 * Returns a pointer into the DOS environment... Ugh.
 */
static LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
{ UINT16 l;

  TRACE("\n");

  l = strlen(entry);
  for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
  { if( strncasecmp(lpEnv, entry, l) )
      continue;
	if( !*(lpEnv+l) )
	    return (lpEnv + l); 		/* empty entry */
	else if ( *(lpEnv+l)== '=' )
	    return (lpEnv + l + 1);
    }
    return NULL;
}

/**********************************************************************/

SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
{ SEGPTR  spEnv;
  LPSTR lpEnv,lpString;
  TRACE("\n");