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"
47 #include "wine/winbase16.h"
48 #include "wine/winuser16.h"
49 #include "shell32_main.h"
51 #include "wine/debug.h"
53 WINE_DEFAULT_DEBUG_CHANNEL(shell);
56 typedef struct { /* structure for dropped files */
59 BOOL16 fInNonClientArea;
60 /* memory block with filenames follows */
61 } DROPFILESTRUCT16, *LPDROPFILESTRUCT16;
63 static const char* lpstrMsgWndCreated = "OTHERWINDOWCREATED";
64 static const char* lpstrMsgWndDestroyed = "OTHERWINDOWDESTROYED";
65 static const char* lpstrMsgShellActivate = "ACTIVATESHELLWINDOW";
67 static HWND SHELL_hWnd = 0;
68 static HHOOK SHELL_hHook = 0;
69 static UINT uMsgWndCreated = 0;
70 static UINT uMsgWndDestroyed = 0;
71 static UINT uMsgShellActivate = 0;
73 /***********************************************************************
74 * DllEntryPoint [SHELL.101]
76 * Initialization code for shell.dll. Automatically loads the
77 * 32-bit shell32.dll to allow thunking up to 32-bit code.
80 * Success: TRUE. Initialization completed successfully.
83 BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
84 WORD ds, WORD HeapSize, DWORD res1, WORD res2)
89 HRESULT WINAPI SHIsFileAvailableOffline(LPCWSTR path, LPDWORD status)
91 FIXME("(%s, %p) stub\n", debugstr_w(path), status);
95 /*************************************************************************
96 * DragAcceptFiles [SHELL.9]
98 void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
100 DragAcceptFiles(HWND_32(hWnd), b);
103 /*************************************************************************
104 * DragQueryFile [SHELL.11]
106 UINT16 WINAPI DragQueryFile16(
114 LPDROPFILESTRUCT16 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
116 TRACE("(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength);
118 if(!lpDropFileStruct) goto end;
120 lpDrop = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
124 while (*lpDrop++); /* skip filename */
127 i = (wFile == 0xFFFF) ? i : 0;
134 if (!lpszFile ) goto end; /* needed buffer size */
135 i = (wLength > i) ? i : wLength;
136 lstrcpynA (lpszFile, lpDrop, i);
138 GlobalUnlock16(hDrop);
142 /*************************************************************************
143 * DragFinish [SHELL.12]
145 void WINAPI DragFinish16(HDROP16 h)
148 GlobalFree16((HGLOBAL16)h);
152 /*************************************************************************
153 * DragQueryPoint [SHELL.13]
155 BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
157 LPDROPFILESTRUCT16 lpDropFileStruct;
160 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
162 memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
163 bRet = lpDropFileStruct->fInNonClientArea;
165 GlobalUnlock16(hDrop);
169 /*************************************************************************
170 * FindExecutable (SHELL.21)
172 HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
174 { return HINSTANCE_16(FindExecutableA( lpFile, lpDirectory, lpResult ));
177 /*************************************************************************
178 * AboutDlgProc (SHELL.33)
180 BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
182 { return (BOOL16)AboutDlgProc( HWND_32(hWnd), msg, wParam, lParam );
186 /*************************************************************************
187 * ShellAbout (SHELL.22)
189 BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
191 { return ShellAboutA( HWND_32(hWnd), szApp, szOtherStuff, HICON_32(hIcon) );
194 /*************************************************************************
195 * InternalExtractIcon [SHELL.39]
197 * This abortion is called directly by Progman
199 HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
200 LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
203 HICON16 *RetPtr = NULL;
206 TRACE("(%04x,file %s,start %d,extract %d\n",
207 hInstance, lpszExeFileName, nIconIndex, n);
212 hRet = GlobalAlloc16(GMEM_FIXED | GMEM_ZEROINIT, sizeof(*RetPtr) * n);
213 RetPtr = (HICON16*)GlobalLock16(hRet);
215 if (nIconIndex == (UINT16)-1) /* get number of icons */
217 RetPtr[0] = PrivateExtractIconsA(ofs.szPathName, 0, 0, 0, NULL, NULL, 0, LR_DEFAULTCOLOR);
224 icons = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*icons));
225 ret = PrivateExtractIconsA(ofs.szPathName, nIconIndex,
226 GetSystemMetrics(SM_CXICON),
227 GetSystemMetrics(SM_CYICON),
228 icons, NULL, n, LR_DEFAULTCOLOR);
229 if ((ret != 0xffffffff) && ret)
232 for (i = 0; i < n; i++) RetPtr[i] = HICON_16(icons[i]);
239 HeapFree(GetProcessHeap(), 0, icons);
244 /*************************************************************************
245 * ExtractIcon (SHELL.34)
247 HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
250 return HICON_16(ExtractIconA(HINSTANCE_32(hInstance), lpszExeFileName, nIconIndex));
253 /*************************************************************************
254 * ExtractIconEx (SHELL.40)
256 HICON16 WINAPI ExtractIconEx16(
257 LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
258 HICON16 *phiconSmall, UINT16 nIcons
260 HICON *ilarge,*ismall;
265 ilarge = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
269 ismall = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
272 ret = HICON_16(ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons));
274 for (i=0;i<nIcons;i++)
275 phiconLarge[i]=HICON_16(ilarge[i]);
276 HeapFree(GetProcessHeap(),0,ilarge);
279 for (i=0;i<nIcons;i++)
280 phiconSmall[i]=HICON_16(ismall[i]);
281 HeapFree(GetProcessHeap(),0,ismall);
286 /*************************************************************************
287 * ExtractAssociatedIcon [SHELL.36]
289 * Return icon for given file (either from file itself or from associated
290 * executable) and patch parameters if needed.
292 HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
294 return HICON_16(ExtractAssociatedIconA(HINSTANCE_32(hInst), lpIconPath,
298 /*************************************************************************
299 * FindEnvironmentString [SHELL.38]
301 * Returns a pointer into the DOS environment... Ugh.
303 static LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
309 for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
310 { if( strncasecmp(lpEnv, entry, l) )
313 return (lpEnv + l); /* empty entry */
314 else if ( *(lpEnv+l)== '=' )
315 return (lpEnv + l + 1);
320 /**********************************************************************/
322 SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
324 LPSTR lpEnv,lpString;
327 spEnv = GetDOSEnvironment16();
329 lpEnv = MapSL(spEnv);
330 lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
332 if( lpString ) /* offset should be small enough */
333 return spEnv + (lpString - lpEnv);
337 /*************************************************************************
338 * DoEnvironmentSubst [SHELL.37]
340 * Replace %KEYWORD% in the str with the value of variable KEYWORD
341 * from "DOS" environment. If it is not found the %KEYWORD% is left
342 * intact. If the buffer is too small, str is not modified.
345 * str [I] '\0' terminated string with %keyword%.
346 * [O] '\0' terminated string with %keyword% substituted.
347 * length [I] size of str.
350 * str length in the LOWORD and 1 in HIWORD if subst was successful.
352 DWORD WINAPI DoEnvironmentSubst16(LPSTR str,WORD length)
354 LPSTR lpEnv = MapSL(GetDOSEnvironment16());
357 LPSTR lpBuffer = HeapAlloc( GetProcessHeap(), 0, length);
362 WORD retLength = length;
366 TRACE("accept %s\n", str);
368 while( *lpstr && bufCnt <= length - 1 ) {
369 if ( *lpstr != '%' ) {
370 lpBuffer[bufCnt++] = *lpstr++;
374 for( lpend = lpstr + 1; *lpend && *lpend != '%'; lpend++) /**/;
376 envKeyLen = lpend - lpstr - 1;
377 if( *lpend != '%' || envKeyLen == 0)
378 goto err; /* "%\0" or "%%" found; back off and whine */
381 lpKey = SHELL_FindString(lpEnv, lpstr+1);
384 int l = strlen(lpKey);
386 if( bufCnt + l > length - 1 )
389 memcpy(lpBuffer + bufCnt, lpKey, l);
391 } else { /* Keyword not found; Leave the %KEYWORD% intact */
392 if( bufCnt + envKeyLen + 2 > length - 1 )
395 memcpy(lpBuffer + bufCnt, lpstr, envKeyLen + 2);
396 bufCnt += envKeyLen + 2;
402 if (!*lpstr && bufCnt <= length - 1) {
403 memcpy(str,lpBuffer, bufCnt);
405 retLength = bufCnt + 1;
411 WARN("-- Env subst aborted - string too short or invalid input\n");
412 TRACE("-- return %s\n", str);
415 HeapFree( GetProcessHeap(), 0, lpBuffer);
417 return (DWORD)MAKELONG(retLength, retStatus);
420 /*************************************************************************
423 * 32-bit version of the system-wide WH_SHELL hook.
425 static LRESULT WINAPI SHELL_HookProc(INT code, WPARAM wParam, LPARAM lParam)
427 TRACE("%i, %x, %08lx\n", code, wParam, lParam );
433 case HSHELL_WINDOWCREATED:
434 PostMessageA( SHELL_hWnd, uMsgWndCreated, wParam, 0 );
436 case HSHELL_WINDOWDESTROYED:
437 PostMessageA( SHELL_hWnd, uMsgWndDestroyed, wParam, 0 );
439 case HSHELL_ACTIVATESHELLWINDOW:
440 PostMessageA( SHELL_hWnd, uMsgShellActivate, wParam, 0 );
444 return CallNextHookEx( SHELL_hHook, code, wParam, lParam );
447 /*************************************************************************
448 * ShellHookProc [SHELL.103]
449 * System-wide WH_SHELL hook.
451 LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
453 return SHELL_HookProc( code, wParam, lParam );
456 /*************************************************************************
457 * RegisterShellHook [SHELL.102]
459 BOOL WINAPI RegisterShellHook16(HWND16 hWnd, UINT16 uAction)
461 TRACE("%04x [%u]\n", hWnd, uAction );
465 case 2: /* register hWnd as a shell window */
468 SHELL_hHook = SetWindowsHookExA( WH_SHELL, SHELL_HookProc,
469 GetModuleHandleA("shell32.dll"), 0 );
472 uMsgWndCreated = RegisterWindowMessageA( lpstrMsgWndCreated );
473 uMsgWndDestroyed = RegisterWindowMessageA( lpstrMsgWndDestroyed );
474 uMsgShellActivate = RegisterWindowMessageA( lpstrMsgShellActivate );
477 WARN("-- unable to install ShellHookProc()!\n");
481 return ((SHELL_hWnd = HWND_32(hWnd)) != 0);
485 WARN("-- unknown code %i\n", uAction );
486 SHELL_hWnd = 0; /* just in case */
492 /***********************************************************************
493 * DriveType (SHELL.262)
495 UINT16 WINAPI DriveType16( UINT16 drive )
498 char path[] = "A:\\";
500 ret = GetDriveTypeA(path);
501 switch(ret) /* some values are not supported in Win16 */
506 case DRIVE_NO_ROOT_DIR:
514 /* 0 and 1 are valid rootkeys in win16 shell.dll and are used by
515 * some programs. Do not remove those cases. -MM
517 static inline void fix_win16_hkey( HKEY *hkey )
519 if (*hkey == 0 || *hkey == (HKEY)1) *hkey = HKEY_CLASSES_ROOT;
522 /******************************************************************************
523 * RegOpenKey [SHELL.1]
525 DWORD WINAPI RegOpenKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
527 fix_win16_hkey( &hkey );
528 return RegOpenKeyA( hkey, name, retkey );
531 /******************************************************************************
532 * RegCreateKey [SHELL.2]
534 DWORD WINAPI RegCreateKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
536 fix_win16_hkey( &hkey );
537 return RegCreateKeyA( hkey, name, retkey );
540 /******************************************************************************
541 * RegCloseKey [SHELL.3]
543 DWORD WINAPI RegCloseKey16( HKEY hkey )
545 fix_win16_hkey( &hkey );
546 return RegCloseKey( hkey );
549 /******************************************************************************
550 * RegDeleteKey [SHELL.4]
552 DWORD WINAPI RegDeleteKey16( HKEY hkey, LPCSTR name )
554 fix_win16_hkey( &hkey );
555 return RegDeleteKeyA( hkey, name );
558 /******************************************************************************
559 * RegSetValue [SHELL.5]
561 DWORD WINAPI RegSetValue16( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
563 fix_win16_hkey( &hkey );
564 return RegSetValueA( hkey, name, type, data, count );
567 /******************************************************************************
568 * RegQueryValue [SHELL.6]
571 * Is this HACK still applicable?
574 * The 16bit RegQueryValue doesn't handle selectorblocks anyway, so we just
575 * mask out the high 16 bit. This (not so much incidently) hopefully fixes
578 DWORD WINAPI RegQueryValue16( HKEY hkey, LPCSTR name, LPSTR data, LPDWORD count
581 fix_win16_hkey( &hkey );
582 if (count) *count &= 0xffff;
583 return RegQueryValueA( hkey, name, data, (LONG*) count );
586 /******************************************************************************
587 * RegEnumKey [SHELL.7]
589 DWORD WINAPI RegEnumKey16( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
591 fix_win16_hkey( &hkey );
592 return RegEnumKeyA( hkey, index, name, name_len );
595 /*************************************************************************
596 * SHELL_Execute16 [Internal]
598 static UINT SHELL_Execute16(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
599 LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
603 WideCharToMultiByte(CP_ACP, 0, lpCmd, -1, sCmd, MAX_PATH, NULL, NULL);
604 ret = WinExec16(sCmd, (UINT16)psei->nShow);
605 psei_out->hInstApp = HINSTANCE_32(ret);
609 /*************************************************************************
610 * ShellExecute [SHELL.20]
612 HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation,
613 LPCSTR lpFile, LPCSTR lpParameters,
614 LPCSTR lpDirectory, INT16 iShowCmd )
616 SHELLEXECUTEINFOW seiW;
617 WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
620 seiW.lpVerb = lpOperation ? __SHCloneStrAtoW(&wVerb, lpOperation) : NULL;
621 seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
622 seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
623 seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
625 seiW.cbSize = sizeof(seiW);
627 seiW.hwnd = HWND_32(hWnd);
628 seiW.nShow = iShowCmd;
633 seiW.hProcess = hProcess;
635 SHELL_execute( &seiW, SHELL_Execute16 );
637 if (wVerb) SHFree(wVerb);
638 if (wFile) SHFree(wFile);
639 if (wParameters) SHFree(wParameters);
640 if (wDirectory) SHFree(wDirectory);
642 return HINSTANCE_16(seiW.hInstApp);