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;
125 if (!lpszFile ) goto end; /* needed buffer size */
126 i = (wLength > i) ? i : wLength;
127 lstrcpynA (lpszFile, lpDrop, i);
129 GlobalUnlock16(hDrop);
133 /*************************************************************************
134 * DragFinish [SHELL.12]
136 void WINAPI DragFinish16(HDROP16 h)
139 GlobalFree16((HGLOBAL16)h);
143 /*************************************************************************
144 * DragQueryPoint [SHELL.13]
146 BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
148 LPDROPFILESTRUCT16 lpDropFileStruct;
151 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
153 memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
154 bRet = lpDropFileStruct->fInNonClientArea;
156 GlobalUnlock16(hDrop);
160 /*************************************************************************
161 * FindExecutable (SHELL.21)
163 HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
165 { return HINSTANCE_16(FindExecutableA( lpFile, lpDirectory, lpResult ));
168 /*************************************************************************
169 * AboutDlgProc (SHELL.33)
171 BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
173 { return (BOOL16)AboutDlgProc( HWND_32(hWnd), msg, wParam, lParam );
177 /*************************************************************************
178 * ShellAbout (SHELL.22)
180 BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
182 { return ShellAboutA( HWND_32(hWnd), szApp, szOtherStuff, HICON_32(hIcon) );
185 /*************************************************************************
186 * InternalExtractIcon [SHELL.39]
188 * This abortion is called directly by Progman
190 HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
191 LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
194 HICON16 *RetPtr = NULL;
197 TRACE("(%04x,file %s,start %d,extract %d\n",
198 hInstance, lpszExeFileName, nIconIndex, n);
203 hRet = GlobalAlloc16(GMEM_FIXED | GMEM_ZEROINIT, sizeof(*RetPtr) * n);
204 RetPtr = (HICON16*)GlobalLock16(hRet);
206 if (nIconIndex == (UINT16)-1) /* get number of icons */
208 RetPtr[0] = PrivateExtractIconsA(ofs.szPathName, 0, 0, 0, NULL, NULL, 0, LR_DEFAULTCOLOR);
215 icons = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*icons));
216 ret = PrivateExtractIconsA(ofs.szPathName, nIconIndex,
217 GetSystemMetrics(SM_CXICON),
218 GetSystemMetrics(SM_CYICON),
219 icons, NULL, n, LR_DEFAULTCOLOR);
220 if ((ret != 0xffffffff) && ret)
223 for (i = 0; i < n; i++) RetPtr[i] = HICON_16(icons[i]);
230 HeapFree(GetProcessHeap(), 0, icons);
235 /*************************************************************************
236 * ExtractIcon (SHELL.34)
238 HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
241 return HICON_16(ExtractIconA(HINSTANCE_32(hInstance), lpszExeFileName, nIconIndex));
244 /*************************************************************************
245 * ExtractIconEx (SHELL.40)
247 HICON16 WINAPI ExtractIconEx16(
248 LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
249 HICON16 *phiconSmall, UINT16 nIcons
251 HICON *ilarge,*ismall;
256 ilarge = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
260 ismall = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
263 ret = HICON_16(ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons));
265 for (i=0;i<nIcons;i++)
266 phiconLarge[i]=HICON_16(ilarge[i]);
267 HeapFree(GetProcessHeap(),0,ilarge);
270 for (i=0;i<nIcons;i++)
271 phiconSmall[i]=HICON_16(ismall[i]);
272 HeapFree(GetProcessHeap(),0,ismall);
277 /*************************************************************************
278 * ExtractAssociatedIcon [SHELL.36]
280 * Return icon for given file (either from file itself or from associated
281 * executable) and patch parameters if needed.
283 HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
285 return HICON_16(ExtractAssociatedIconA(HINSTANCE_32(hInst), lpIconPath,
289 /*************************************************************************
290 * FindEnvironmentString [SHELL.38]
292 * Returns a pointer into the DOS environment... Ugh.
294 static LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
300 for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
301 { if( strncasecmp(lpEnv, entry, l) )
304 return (lpEnv + l); /* empty entry */
305 else if ( *(lpEnv+l)== '=' )
306 return (lpEnv + l + 1);
311 /**********************************************************************/
313 SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
315 LPSTR lpEnv,lpString;
318 spEnv = GetDOSEnvironment16();
320 lpEnv = MapSL(spEnv);
321 lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
323 if( lpString ) /* offset should be small enough */
324 return spEnv + (lpString - lpEnv);
328 /*************************************************************************
329 * DoEnvironmentSubst [SHELL.37]
331 * Replace %KEYWORD% in the str with the value of variable KEYWORD
332 * from "DOS" environment. If it is not found the %KEYWORD% is left
333 * intact. If the buffer is too small, str is not modified.
336 * str [I] '\0' terminated string with %keyword%.
337 * [O] '\0' terminated string with %keyword% substituted.
338 * length [I] size of str.
341 * str length in the LOWORD and 1 in HIWORD if subst was successful.
343 DWORD WINAPI DoEnvironmentSubst16(LPSTR str,WORD length)
345 LPSTR lpEnv = MapSL(GetDOSEnvironment16());
348 LPSTR lpBuffer = HeapAlloc( GetProcessHeap(), 0, length);
353 WORD retLength = length;
357 TRACE("accept %s\n", str);
359 while( *lpstr && bufCnt <= length - 1 ) {
360 if ( *lpstr != '%' ) {
361 lpBuffer[bufCnt++] = *lpstr++;
365 for( lpend = lpstr + 1; *lpend && *lpend != '%'; lpend++) /**/;
367 envKeyLen = lpend - lpstr - 1;
368 if( *lpend != '%' || envKeyLen == 0)
369 goto err; /* "%\0" or "%%" found; back off and whine */
372 lpKey = SHELL_FindString(lpEnv, lpstr+1);
375 int l = strlen(lpKey);
377 if( bufCnt + l > length - 1 )
380 memcpy(lpBuffer + bufCnt, lpKey, l);
382 } else { /* Keyword not found; Leave the %KEYWORD% intact */
383 if( bufCnt + envKeyLen + 2 > length - 1 )
386 memcpy(lpBuffer + bufCnt, lpstr, envKeyLen + 2);
387 bufCnt += envKeyLen + 2;
393 if (!*lpstr && bufCnt <= length - 1) {
394 memcpy(str,lpBuffer, bufCnt);
396 retLength = bufCnt + 1;
402 WARN("-- Env subst aborted - string too short or invalid input\n");
403 TRACE("-- return %s\n", str);
406 HeapFree( GetProcessHeap(), 0, lpBuffer);
408 return (DWORD)MAKELONG(retLength, retStatus);
411 /*************************************************************************
414 * 32-bit version of the system-wide WH_SHELL hook.
416 static LRESULT WINAPI SHELL_HookProc(INT code, WPARAM wParam, LPARAM lParam)
418 TRACE("%i, %x, %08lx\n", code, wParam, lParam );
424 case HSHELL_WINDOWCREATED:
425 PostMessageA( SHELL_hWnd, uMsgWndCreated, wParam, 0 );
427 case HSHELL_WINDOWDESTROYED:
428 PostMessageA( SHELL_hWnd, uMsgWndDestroyed, wParam, 0 );
430 case HSHELL_ACTIVATESHELLWINDOW:
431 PostMessageA( SHELL_hWnd, uMsgShellActivate, wParam, 0 );
435 return CallNextHookEx( SHELL_hHook, code, wParam, lParam );
438 /*************************************************************************
439 * ShellHookProc [SHELL.103]
440 * System-wide WH_SHELL hook.
442 LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
444 return SHELL_HookProc( code, wParam, lParam );
447 /*************************************************************************
448 * RegisterShellHook [SHELL.102]
450 BOOL WINAPI RegisterShellHook16(HWND16 hWnd, UINT16 uAction)
452 TRACE("%04x [%u]\n", hWnd, uAction );
456 case 2: /* register hWnd as a shell window */
459 SHELL_hHook = SetWindowsHookExA( WH_SHELL, SHELL_HookProc,
460 GetModuleHandleA("shell32.dll"), 0 );
463 uMsgWndCreated = RegisterWindowMessageA( lpstrMsgWndCreated );
464 uMsgWndDestroyed = RegisterWindowMessageA( lpstrMsgWndDestroyed );
465 uMsgShellActivate = RegisterWindowMessageA( lpstrMsgShellActivate );
468 WARN("-- unable to install ShellHookProc()!\n");
472 return ((SHELL_hWnd = HWND_32(hWnd)) != 0);
476 WARN("-- unknown code %i\n", uAction );
477 SHELL_hWnd = 0; /* just in case */
483 /***********************************************************************
484 * DriveType (SHELL.262)
486 UINT16 WINAPI DriveType16( UINT16 drive )
489 char path[] = "A:\\";
491 ret = GetDriveTypeA(path);
492 switch(ret) /* some values are not supported in Win16 */
497 case DRIVE_NO_ROOT_DIR:
505 /* 0 and 1 are valid rootkeys in win16 shell.dll and are used by
506 * some programs. Do not remove those cases. -MM
508 static inline void fix_win16_hkey( HKEY *hkey )
510 if (*hkey == 0 || *hkey == (HKEY)1) *hkey = HKEY_CLASSES_ROOT;
513 /******************************************************************************
514 * RegOpenKey [SHELL.1]
516 DWORD WINAPI RegOpenKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
518 fix_win16_hkey( &hkey );
519 return RegOpenKeyA( hkey, name, retkey );
522 /******************************************************************************
523 * RegCreateKey [SHELL.2]
525 DWORD WINAPI RegCreateKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
527 fix_win16_hkey( &hkey );
528 return RegCreateKeyA( hkey, name, retkey );
531 /******************************************************************************
532 * RegCloseKey [SHELL.3]
534 DWORD WINAPI RegCloseKey16( HKEY hkey )
536 fix_win16_hkey( &hkey );
537 return RegCloseKey( hkey );
540 /******************************************************************************
541 * RegDeleteKey [SHELL.4]
543 DWORD WINAPI RegDeleteKey16( HKEY hkey, LPCSTR name )
545 fix_win16_hkey( &hkey );
546 return RegDeleteKeyA( hkey, name );
549 /******************************************************************************
550 * RegSetValue [SHELL.5]
552 DWORD WINAPI RegSetValue16( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
554 fix_win16_hkey( &hkey );
555 return RegSetValueA( hkey, name, type, data, count );
558 /******************************************************************************
559 * RegQueryValue [SHELL.6]
562 * Is this HACK still applicable?
565 * The 16bit RegQueryValue doesn't handle selectorblocks anyway, so we just
566 * mask out the high 16 bit. This (not so much incidently) hopefully fixes
569 DWORD WINAPI RegQueryValue16( HKEY hkey, LPCSTR name, LPSTR data, LPDWORD count
572 fix_win16_hkey( &hkey );
573 if (count) *count &= 0xffff;
574 return RegQueryValueA( hkey, name, data, (LONG*) count );
577 /******************************************************************************
578 * RegEnumKey [SHELL.7]
580 DWORD WINAPI RegEnumKey16( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
582 fix_win16_hkey( &hkey );
583 return RegEnumKeyA( hkey, index, name, name_len );
586 /*************************************************************************
587 * SHELL_Execute16 [Internal]
589 static UINT SHELL_Execute16(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
590 LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
594 WideCharToMultiByte(CP_ACP, 0, lpCmd, -1, sCmd, MAX_PATH, NULL, NULL);
595 ret = WinExec16(sCmd, (UINT16)psei->nShow);
596 psei_out->hInstApp = HINSTANCE_32(ret);
600 /*************************************************************************
601 * ShellExecute [SHELL.20]
603 HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation,
604 LPCSTR lpFile, LPCSTR lpParameters,
605 LPCSTR lpDirectory, INT16 iShowCmd )
607 SHELLEXECUTEINFOW seiW;
608 WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
611 seiW.lpVerb = lpOperation ? __SHCloneStrAtoW(&wVerb, lpOperation) : NULL;
612 seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
613 seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
614 seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
616 seiW.cbSize = sizeof(seiW);
618 seiW.hwnd = HWND_32(hWnd);
619 seiW.nShow = iShowCmd;
624 seiW.hProcess = hProcess;
626 SHELL_execute( &seiW, SHELL_Execute16 );
633 return HINSTANCE_16(seiW.hInstApp);