2 * Shell Library Functions
4 * Copyright 1998 Marcus Meissner
5 * Copyright 2000 Juergen Schmied
6 * Copyright 2002 Eric Pouech
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #include "wine/port.h"
44 #include "wine/winbase16.h"
45 #include "wine/winuser16.h"
46 #include "shell32_main.h"
48 #include "wine/debug.h"
50 WINE_DEFAULT_DEBUG_CHANNEL(shell);
53 typedef struct { /* structure for dropped files */
56 BOOL16 fInNonClientArea;
57 /* memory block with filenames follows */
58 } DROPFILESTRUCT16, *LPDROPFILESTRUCT16;
60 static const char lpstrMsgWndCreated[] = "OTHERWINDOWCREATED";
61 static const char lpstrMsgWndDestroyed[] = "OTHERWINDOWDESTROYED";
62 static const char lpstrMsgShellActivate[] = "ACTIVATESHELLWINDOW";
64 static HWND SHELL_hWnd = 0;
65 static HHOOK SHELL_hHook = 0;
66 static UINT uMsgWndCreated = 0;
67 static UINT uMsgWndDestroyed = 0;
68 static UINT uMsgShellActivate = 0;
70 /***********************************************************************
71 * DllEntryPoint [SHELL.101]
73 * Initialization code for shell.dll. Automatically loads the
74 * 32-bit shell32.dll to allow thunking up to 32-bit code.
77 * Success: TRUE. Initialization completed successfully.
80 BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
81 WORD ds, WORD HeapSize, DWORD res1, WORD res2)
86 /*************************************************************************
87 * DragAcceptFiles [SHELL.9]
89 void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
91 DragAcceptFiles(HWND_32(hWnd), b);
94 /*************************************************************************
95 * DragQueryFile [SHELL.11]
97 UINT16 WINAPI DragQueryFile16(
105 LPDROPFILESTRUCT16 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
107 TRACE("(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength);
109 if(!lpDropFileStruct) goto end;
111 lpDrop = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
115 while (*lpDrop++); /* skip filename */
118 i = (wFile == 0xFFFF) ? i : 0;
124 if (!lpszFile ) goto end; /* needed buffer size */
125 lstrcpynA (lpszFile, lpDrop, wLength);
127 GlobalUnlock16(hDrop);
131 /*************************************************************************
132 * DragFinish [SHELL.12]
134 void WINAPI DragFinish16(HDROP16 h)
137 GlobalFree16((HGLOBAL16)h);
141 /*************************************************************************
142 * DragQueryPoint [SHELL.13]
144 BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
146 LPDROPFILESTRUCT16 lpDropFileStruct;
149 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
151 memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
152 bRet = lpDropFileStruct->fInNonClientArea;
154 GlobalUnlock16(hDrop);
158 /*************************************************************************
159 * FindExecutable (SHELL.21)
161 HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
163 { return HINSTANCE_16(FindExecutableA( lpFile, lpDirectory, lpResult ));
166 /*************************************************************************
167 * AboutDlgProc (SHELL.33)
169 BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
171 { return (BOOL16)AboutDlgProc( HWND_32(hWnd), msg, wParam, lParam );
175 /*************************************************************************
176 * ShellAbout (SHELL.22)
178 BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
180 { return ShellAboutA( HWND_32(hWnd), szApp, szOtherStuff, HICON_32(hIcon) );
183 /*************************************************************************
184 * InternalExtractIcon [SHELL.39]
186 * This abortion is called directly by Progman
188 HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
189 LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
192 HICON16 *RetPtr = NULL;
195 TRACE("(%04x,file %s,start %d,extract %d\n",
196 hInstance, lpszExeFileName, nIconIndex, n);
201 hRet = GlobalAlloc16(GMEM_FIXED | GMEM_ZEROINIT, sizeof(*RetPtr) * n);
202 RetPtr = (HICON16*)GlobalLock16(hRet);
204 if (nIconIndex == (UINT16)-1) /* get number of icons */
206 RetPtr[0] = PrivateExtractIconsA(ofs.szPathName, 0, 0, 0, NULL, NULL, 0, LR_DEFAULTCOLOR);
213 icons = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*icons));
214 ret = PrivateExtractIconsA(ofs.szPathName, nIconIndex,
215 GetSystemMetrics(SM_CXICON),
216 GetSystemMetrics(SM_CYICON),
217 icons, NULL, n, LR_DEFAULTCOLOR);
218 if ((ret != 0xffffffff) && ret)
221 for (i = 0; i < n; i++) RetPtr[i] = HICON_16(icons[i]);
228 HeapFree(GetProcessHeap(), 0, icons);
233 /*************************************************************************
234 * ExtractIcon (SHELL.34)
236 HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
239 return HICON_16(ExtractIconA(HINSTANCE_32(hInstance), lpszExeFileName, nIconIndex));
242 /*************************************************************************
243 * ExtractIconEx (SHELL.40)
245 HICON16 WINAPI ExtractIconEx16(
246 LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
247 HICON16 *phiconSmall, UINT16 nIcons
249 HICON *ilarge,*ismall;
254 ilarge = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
258 ismall = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
261 ret = HICON_16(ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons));
263 for (i=0;i<nIcons;i++)
264 phiconLarge[i]=HICON_16(ilarge[i]);
265 HeapFree(GetProcessHeap(),0,ilarge);
268 for (i=0;i<nIcons;i++)
269 phiconSmall[i]=HICON_16(ismall[i]);
270 HeapFree(GetProcessHeap(),0,ismall);
275 /*************************************************************************
276 * ExtractAssociatedIcon [SHELL.36]
278 * Return icon for given file (either from file itself or from associated
279 * executable) and patch parameters if needed.
281 HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
283 return HICON_16(ExtractAssociatedIconA(HINSTANCE_32(hInst), lpIconPath,
287 /*************************************************************************
288 * FindEnvironmentString [SHELL.38]
290 * Returns a pointer into the DOS environment... Ugh.
292 static LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
298 for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
299 { if( strncasecmp(lpEnv, entry, l) )
302 return (lpEnv + l); /* empty entry */
303 else if ( *(lpEnv+l)== '=' )
304 return (lpEnv + l + 1);
309 /**********************************************************************/
311 SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
313 LPSTR lpEnv,lpString;
316 spEnv = GetDOSEnvironment16();
318 lpEnv = MapSL(spEnv);
319 lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
321 if( lpString ) /* offset should be small enough */
322 return spEnv + (lpString - lpEnv);
326 /*************************************************************************
327 * DoEnvironmentSubst [SHELL.37]
329 * Replace %KEYWORD% in the str with the value of variable KEYWORD
330 * from "DOS" environment. If it is not found the %KEYWORD% is left
331 * intact. If the buffer is too small, str is not modified.
334 * str [I] '\0' terminated string with %keyword%.
335 * [O] '\0' terminated string with %keyword% substituted.
336 * length [I] size of str.
339 * str length in the LOWORD and 1 in HIWORD if subst was successful.
341 DWORD WINAPI DoEnvironmentSubst16(LPSTR str,WORD length)
343 LPSTR lpEnv = MapSL(GetDOSEnvironment16());
346 LPSTR lpBuffer = HeapAlloc( GetProcessHeap(), 0, length);
351 WORD retLength = length;
355 TRACE("accept %s\n", str);
357 while( *lpstr && bufCnt <= length - 1 ) {
358 if ( *lpstr != '%' ) {
359 lpBuffer[bufCnt++] = *lpstr++;
363 for( lpend = lpstr + 1; *lpend && *lpend != '%'; lpend++) /**/;
365 envKeyLen = lpend - lpstr - 1;
366 if( *lpend != '%' || envKeyLen == 0)
367 goto err; /* "%\0" or "%%" found; back off and whine */
370 lpKey = SHELL_FindString(lpEnv, lpstr+1);
373 int l = strlen(lpKey);
375 if( bufCnt + l > length - 1 )
378 memcpy(lpBuffer + bufCnt, lpKey, l);
380 } else { /* Keyword not found; Leave the %KEYWORD% intact */
381 if( bufCnt + envKeyLen + 2 > length - 1 )
384 memcpy(lpBuffer + bufCnt, lpstr, envKeyLen + 2);
385 bufCnt += envKeyLen + 2;
391 if (!*lpstr && bufCnt <= length - 1) {
392 memcpy(str,lpBuffer, bufCnt);
394 retLength = bufCnt + 1;
400 WARN("-- Env subst aborted - string too short or invalid input\n");
401 TRACE("-- return %s\n", str);
404 HeapFree( GetProcessHeap(), 0, lpBuffer);
406 return (DWORD)MAKELONG(retLength, retStatus);
409 /*************************************************************************
412 * 32-bit version of the system-wide WH_SHELL hook.
414 static LRESULT WINAPI SHELL_HookProc(INT code, WPARAM wParam, LPARAM lParam)
416 TRACE("%i, %lx, %08lx\n", code, wParam, lParam );
422 case HSHELL_WINDOWCREATED:
423 PostMessageA( SHELL_hWnd, uMsgWndCreated, wParam, 0 );
425 case HSHELL_WINDOWDESTROYED:
426 PostMessageA( SHELL_hWnd, uMsgWndDestroyed, wParam, 0 );
428 case HSHELL_ACTIVATESHELLWINDOW:
429 PostMessageA( SHELL_hWnd, uMsgShellActivate, wParam, 0 );
433 return CallNextHookEx( SHELL_hHook, code, wParam, lParam );
436 /*************************************************************************
437 * ShellHookProc [SHELL.103]
438 * System-wide WH_SHELL hook.
440 LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
442 return SHELL_HookProc( code, wParam, lParam );
445 /*************************************************************************
446 * RegisterShellHook [SHELL.102]
448 BOOL WINAPI RegisterShellHook16(HWND16 hWnd, UINT16 uAction)
450 TRACE("%04x [%u]\n", hWnd, uAction );
454 case 2: /* register hWnd as a shell window */
457 SHELL_hHook = SetWindowsHookExA( WH_SHELL, SHELL_HookProc,
458 GetModuleHandleA("shell32.dll"), 0 );
461 uMsgWndCreated = RegisterWindowMessageA( lpstrMsgWndCreated );
462 uMsgWndDestroyed = RegisterWindowMessageA( lpstrMsgWndDestroyed );
463 uMsgShellActivate = RegisterWindowMessageA( lpstrMsgShellActivate );
466 WARN("-- unable to install ShellHookProc()!\n");
470 return ((SHELL_hWnd = HWND_32(hWnd)) != 0);
474 WARN("-- unknown code %i\n", uAction );
475 SHELL_hWnd = 0; /* just in case */
481 /***********************************************************************
482 * DriveType (SHELL.262)
484 UINT16 WINAPI DriveType16( UINT16 drive )
487 char path[] = "A:\\";
489 ret = GetDriveTypeA(path);
490 switch(ret) /* some values are not supported in Win16 */
495 case DRIVE_NO_ROOT_DIR:
503 /* 0 and 1 are valid rootkeys in win16 shell.dll and are used by
504 * some programs. Do not remove those cases. -MM
506 static inline void fix_win16_hkey( HKEY *hkey )
508 if (*hkey == 0 || *hkey == (HKEY)1) *hkey = HKEY_CLASSES_ROOT;
511 /******************************************************************************
512 * RegOpenKey [SHELL.1]
514 DWORD WINAPI RegOpenKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
516 fix_win16_hkey( &hkey );
517 return RegOpenKeyA( hkey, name, retkey );
520 /******************************************************************************
521 * RegCreateKey [SHELL.2]
523 DWORD WINAPI RegCreateKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
525 fix_win16_hkey( &hkey );
526 return RegCreateKeyA( hkey, name, retkey );
529 /******************************************************************************
530 * RegCloseKey [SHELL.3]
532 DWORD WINAPI RegCloseKey16( HKEY hkey )
534 fix_win16_hkey( &hkey );
535 return RegCloseKey( hkey );
538 /******************************************************************************
539 * RegDeleteKey [SHELL.4]
541 DWORD WINAPI RegDeleteKey16( HKEY hkey, LPCSTR name )
543 fix_win16_hkey( &hkey );
544 return RegDeleteKeyA( hkey, name );
547 /******************************************************************************
548 * RegSetValue [SHELL.5]
550 DWORD WINAPI RegSetValue16( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
552 fix_win16_hkey( &hkey );
553 return RegSetValueA( hkey, name, type, data, count );
556 /******************************************************************************
557 * RegQueryValue [SHELL.6]
560 * Is this HACK still applicable?
563 * The 16bit RegQueryValue doesn't handle selectorblocks anyway, so we just
564 * mask out the high 16 bit. This (not so much incidently) hopefully fixes
567 DWORD WINAPI RegQueryValue16( HKEY hkey, LPCSTR name, LPSTR data, LPDWORD count
570 fix_win16_hkey( &hkey );
571 if (count) *count &= 0xffff;
572 return RegQueryValueA( hkey, name, data, (LONG*) count );
575 /******************************************************************************
576 * RegEnumKey [SHELL.7]
578 DWORD WINAPI RegEnumKey16( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
580 fix_win16_hkey( &hkey );
581 return RegEnumKeyA( hkey, index, name, name_len );
584 /*************************************************************************
585 * SHELL_Execute16 [Internal]
587 static UINT_PTR SHELL_Execute16(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
588 LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
592 WideCharToMultiByte(CP_ACP, 0, lpCmd, -1, sCmd, MAX_PATH, NULL, NULL);
593 ret = WinExec16(sCmd, (UINT16)psei->nShow);
594 psei_out->hInstApp = HINSTANCE_32(ret);
598 /*************************************************************************
599 * ShellExecute [SHELL.20]
601 HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation,
602 LPCSTR lpFile, LPCSTR lpParameters,
603 LPCSTR lpDirectory, INT16 iShowCmd )
605 SHELLEXECUTEINFOW seiW;
606 WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
609 seiW.lpVerb = lpOperation ? __SHCloneStrAtoW(&wVerb, lpOperation) : NULL;
610 seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
611 seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
612 seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
614 seiW.cbSize = sizeof(seiW);
616 seiW.hwnd = HWND_32(hWnd);
617 seiW.nShow = iShowCmd;
622 seiW.hProcess = hProcess;
624 SHELL_execute( &seiW, SHELL_Execute16 );
631 return HINSTANCE_16(seiW.hInstApp);