/* * Shell Library Functions * * 1998 Marcus Meissner */ #include #include #include #include #include #include "windows.h" #include "winerror.h" #include "file.h" #include "shell.h" #include "heap.h" #include "module.h" #include "neexe.h" #include "resource.h" #include "dlgs.h" #include "win.h" #include "graphics.h" #include "cursoricon.h" #include "interfaces.h" #include "sysmetrics.h" #include "shlobj.h" #include "debug.h" #include "winreg.h" #include "imagelist.h" #include "commctrl.h" /* .ICO file ICONDIR definitions */ #pragma pack(1) typedef struct { BYTE bWidth; /* Width, in pixels, of the image */ BYTE bHeight; /* Height, in pixels, of the image */ BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */ BYTE bReserved; /* Reserved ( must be 0) */ WORD wPlanes; /* Color Planes */ WORD wBitCount; /* Bits per pixel */ DWORD dwBytesInRes; /* How many bytes in this resource? */ DWORD dwImageOffset; /* Where in the file is this image? */ } icoICONDIRENTRY, *LPicoICONDIRENTRY; typedef struct { WORD idReserved; /* Reserved (must be 0) */ WORD idType; /* Resource Type (1 for icons) */ WORD idCount; /* How many images? */ icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */ } icoICONDIR, *LPicoICONDIR; #pragma pack(4) static const char* lpstrMsgWndCreated = "OTHERWINDOWCREATED"; static const char* lpstrMsgWndDestroyed = "OTHERWINDOWDESTROYED"; static const char* lpstrMsgShellActivate = "ACTIVATESHELLWINDOW"; static HWND16 SHELL_hWnd = 0; static HHOOK SHELL_hHook = 0; static UINT16 uMsgWndCreated = 0; static UINT16 uMsgWndDestroyed = 0; static UINT16 uMsgShellActivate = 0; /************************************************************************* * DragAcceptFiles32 [SHELL32.54] */ void WINAPI DragAcceptFiles32(HWND32 hWnd, BOOL32 b) { WND* wnd = WIN_FindWndPtr(hWnd); if( wnd ) wnd->dwExStyle = b? wnd->dwExStyle | WS_EX_ACCEPTFILES : wnd->dwExStyle & ~WS_EX_ACCEPTFILES; } /************************************************************************* * DragAcceptFiles16 [SHELL.9] */ void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b) { DragAcceptFiles32(hWnd, b); } /************************************************************************* * SHELL_DragQueryFile [internal] * */ static UINT32 SHELL_DragQueryFile(LPSTR lpDrop, LPWSTR lpwDrop, UINT32 lFile, LPSTR lpszFile, LPWSTR lpszwFile, UINT32 lLength) { UINT32 i; i = 0; if (lpDrop) { while (i++ < lFile) { while (*lpDrop++); /* skip filename */ if (!*lpDrop) return (lFile == 0xFFFFFFFF) ? i : 0; } } if (lpwDrop) { while (i++ < lFile) { while (*lpwDrop++); /* skip filename */ if (!*lpwDrop) return (lFile == 0xFFFFFFFF) ? i : 0; } } if (lpDrop) i = lstrlen32A(lpDrop); if (lpwDrop) i = lstrlen32W(lpwDrop); i++; if (!lpszFile && !lpszwFile) { return i; /* needed buffer size */ } i = (lLength > i) ? i : lLength; if (lpszFile) { if (lpDrop) lstrcpyn32A (lpszFile, lpDrop, i); else lstrcpynWtoA(lpszFile, lpwDrop, i); } else { if (lpDrop) lstrcpynAtoW(lpszwFile, lpDrop, i); else lstrcpyn32W (lpszwFile, lpwDrop, i); } return i; } /************************************************************************* * DragQueryFile32A [SHELL32.81] [shell32.82] */ UINT32 WINAPI DragQueryFile32A(HDROP32 hDrop, UINT32 lFile, LPSTR lpszFile, UINT32 lLength) { /* hDrop is a global memory block allocated with GMEM_SHARE * with DROPFILESTRUCT as a header and filenames following * it, zero length filename is in the end */ LPDROPFILESTRUCT32 lpDropFileStruct; LPSTR lpCurrent; UINT32 i; TRACE(shell,"(%08x, %x, %p, %u)\n", hDrop,lFile,lpszFile,lLength); lpDropFileStruct = (LPDROPFILESTRUCT32) GlobalLock32(hDrop); if(!lpDropFileStruct) return 0; lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->lSize; i = SHELL_DragQueryFile(lpCurrent, NULL, lFile, lpszFile, NULL, lLength); GlobalUnlock32(hDrop); return i; } /************************************************************************* * DragQueryFile32W [shell32.133] */ UINT32 WINAPI DragQueryFile32W(HDROP32 hDrop, UINT32 lFile, LPWSTR lpszwFile, UINT32 lLength) { LPDROPFILESTRUCT32 lpDropFileStruct; LPWSTR lpwCurrent; UINT32 i; TRACE(shell,"(%08x, %x, %p, %u)\n", hDrop,lFile,lpszwFile,lLength); lpDropFileStruct = (LPDROPFILESTRUCT32) GlobalLock32(hDrop); if(!lpDropFileStruct) return 0; lpwCurrent = (LPWSTR) lpDropFileStruct + lpDropFileStruct->lSize; i = SHELL_DragQueryFile(NULL, lpwCurrent, lFile, NULL, lpszwFile,lLength); GlobalUnlock32(hDrop); return i; } /************************************************************************* * DragQueryFile16 [SHELL.11] */ UINT16 WINAPI DragQueryFile16(HDROP16 hDrop, WORD wFile, LPSTR lpszFile, WORD wLength) { /* hDrop is a global memory block allocated with GMEM_SHARE * with DROPFILESTRUCT as a header and filenames following * it, zero length filename is in the end */ LPDROPFILESTRUCT16 lpDropFileStruct; LPSTR lpCurrent; WORD i; TRACE(shell,"(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength); lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop); if(!lpDropFileStruct) return 0; lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize; i = (WORD)SHELL_DragQueryFile(lpCurrent, NULL, wFile==0xffff?0xffffffff:wFile, lpszFile, NULL, wLength); GlobalUnlock16(hDrop); return i; } /************************************************************************* * DragFinish32 [SHELL32.80] */ void WINAPI DragFinish32(HDROP32 h) { TRACE(shell,"\n"); GlobalFree32((HGLOBAL32)h); } /************************************************************************* * DragFinish16 [SHELL.12] */ void WINAPI DragFinish16(HDROP16 h) { TRACE(shell,"\n"); GlobalFree16((HGLOBAL16)h); } /************************************************************************* * DragQueryPoint32 [SHELL32.135] */ BOOL32 WINAPI DragQueryPoint32(HDROP32 hDrop, POINT32 *p) { LPDROPFILESTRUCT32 lpDropFileStruct; BOOL32 bRet; TRACE(shell,"\n"); lpDropFileStruct = (LPDROPFILESTRUCT32) GlobalLock32(hDrop); memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT32)); bRet = lpDropFileStruct->fInNonClientArea; GlobalUnlock32(hDrop); return bRet; } /************************************************************************* * DragQueryPoint16 [SHELL.13] */ BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p) { LPDROPFILESTRUCT16 lpDropFileStruct; BOOL16 bRet; TRACE(shell,"\n"); lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop); memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16)); bRet = lpDropFileStruct->fInNonClientArea; GlobalUnlock16(hDrop); return bRet; } /************************************************************************* * SHELL_FindExecutable [Internal] * * Utility for code sharing between FindExecutable and ShellExecute */ HINSTANCE32 SHELL_FindExecutable( LPCSTR lpFile, LPCSTR lpOperation, LPSTR lpResult) { char *extension = NULL; /* pointer to file extension */ char tmpext[5]; /* local copy to mung as we please */ char filetype[256]; /* registry name for this filetype */ LONG filetypelen=256; /* length of above */ char command[256]; /* command from registry */ LONG commandlen=256; /* This is the most DOS can handle :) */ char buffer[256]; /* Used to GetProfileString */ HINSTANCE32 retval=31; /* default - 'No association was found' */ char *tok; /* token pointer */ int i; /* random counter */ char xlpFile[256]; /* result of SearchPath */ TRACE(shell, "%s\n", (lpFile != NULL?lpFile:"-") ); lpResult[0]='\0'; /* Start off with an empty return string */ /* trap NULL parameters on entry */ if (( lpFile == NULL ) || ( lpResult == NULL ) || ( lpOperation == NULL )) { WARN(exec, "(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n", lpFile, lpOperation, lpResult); return 2; /* File not found. Close enough, I guess. */ } if (SearchPath32A( NULL, lpFile,".exe",sizeof(xlpFile),xlpFile,NULL)) { TRACE(shell, "SearchPath32A returned non-zero\n"); lpFile = xlpFile; } /* First thing we need is the file's extension */ extension = strrchr( xlpFile, '.' ); /* Assume last "." is the one; */ /* File->Run in progman uses */ /* .\FILE.EXE :( */ TRACE(shell, "xlpFile=%s,extension=%s\n", xlpFile, extension); if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)])) { WARN(shell, "Returning 31 - No association\n"); return 31; /* no association */ } /* Make local copy & lowercase it for reg & 'programs=' lookup */ lstrcpyn32A( tmpext, extension, 5 ); CharLower32A( tmpext ); TRACE(shell, "%s file\n", tmpext); /* Three places to check: */ /* 1. win.ini, [windows], programs (NB no leading '.') */ /* 2. Registry, HKEY_CLASS_ROOT\\shell\open\command */ /* 3. win.ini, [extensions], extension (NB no leading '.' */ /* All I know of the order is that registry is checked before */ /* extensions; however, it'd make sense to check the programs */ /* section first, so that's what happens here. */ /* See if it's a program - if GetProfileString fails, we skip this * section. Actually, if GetProfileString fails, we've probably * got a lot more to worry about than running a program... */ if ( GetProfileString32A("windows", "programs", "exe pif bat com", buffer, sizeof(buffer)) > 0 ) { for (i=0;i2)) { strcat( lpResult, &tok[2] ); } } retval=33; /* FIXME see above */ } } else /* Check win.ini */ { /* Toss the leading dot */ extension++; if ( GetProfileString32A( "extensions", extension, "", command, sizeof(command)) > 0) { if (strlen(command)!=0) { strcpy( lpResult, command ); tok=strstr( lpResult, "^" ); /* should be ^.extension? */ if (tok != NULL) { tok[0]='\0'; strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */ tok=strstr( command, "^" ); /* see above */ if ((tok != NULL) && (strlen(tok)>5)) { strcat( lpResult, &tok[5]); } } retval=33; /* FIXME - see above */ } } } TRACE(shell, "returning %s\n", lpResult); return retval; } /************************************************************************* * ShellExecute16 [SHELL.20] */ HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation, LPCSTR lpFile, LPCSTR lpParameters, LPCSTR lpDirectory, INT16 iShowCmd ) { HINSTANCE16 retval=31; char old_dir[1024]; char cmd[256]; TRACE(shell, "(%04x,'%s','%s','%s','%s',%x)\n", hWnd, lpOperation ? lpOperation:"", lpFile ? lpFile:"", lpParameters ? lpParameters : "", lpDirectory ? lpDirectory : "", iShowCmd); if (lpFile==NULL) return 0; /* should not happen */ if (lpOperation==NULL) /* default is open */ lpOperation="open"; if (lpDirectory) { GetCurrentDirectory32A( sizeof(old_dir), old_dir ); SetCurrentDirectory32A( lpDirectory ); } retval = SHELL_FindExecutable( lpFile, lpOperation, cmd ); if (retval > 32) /* Found */ { if (lpParameters) { strcat(cmd," "); strcat(cmd,lpParameters); } TRACE(shell,"starting %s\n",cmd); retval = WinExec32( cmd, iShowCmd ); } if (lpDirectory) SetCurrentDirectory32A( old_dir ); return retval; } /************************************************************************* * FindExecutable16 (SHELL.21) */ HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult ) { return (HINSTANCE16)FindExecutable32A( lpFile, lpDirectory, lpResult ); } /************************************************************************* * AboutDlgProc16 (SHELL.33) */ LRESULT WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam ) { return AboutDlgProc32( hWnd, msg, wParam, lParam ); } /************************************************************************* * ShellAbout16 (SHELL.22) */ BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff, HICON16 hIcon ) { return ShellAbout32A( hWnd, szApp, szOtherStuff, hIcon ); } /************************************************************************* * SHELL_GetResourceTable */ static DWORD SHELL_GetResourceTable(HFILE32 hFile,LPBYTE *retptr) { IMAGE_DOS_HEADER mz_header; char magic[4]; int size; TRACE(shell,"\n"); *retptr = NULL; _llseek32( hFile, 0, SEEK_SET ); if ( (_lread32(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) || (mz_header.e_magic != IMAGE_DOS_SIGNATURE) ) { /* .ICO file ? */ if (mz_header.e_cblp == 1) { /* ICONHEADER.idType, must be 1 */ *retptr = (LPBYTE)-1; return 1; } else return 0; /* failed */ } _llseek32( hFile, mz_header.e_lfanew, SEEK_SET ); if (_lread32( hFile, magic, sizeof(magic) ) != sizeof(magic)) return 0; _llseek32( hFile, mz_header.e_lfanew, SEEK_SET); if (*(DWORD*)magic == IMAGE_NT_SIGNATURE) return IMAGE_NT_SIGNATURE; if (*(WORD*)magic == IMAGE_OS2_SIGNATURE) { IMAGE_OS2_HEADER ne_header; LPBYTE pTypeInfo = (LPBYTE)-1; if (_lread32(hFile,&ne_header,sizeof(ne_header))!=sizeof(ne_header)) return 0; if (ne_header.ne_magic != IMAGE_OS2_SIGNATURE) return 0; size = ne_header.rname_tab_offset - ne_header.resource_tab_offset; if( size > sizeof(NE_TYPEINFO) ) { pTypeInfo = (BYTE*)HeapAlloc( GetProcessHeap(), 0, size); if( pTypeInfo ) { _llseek32(hFile, mz_header.e_lfanew+ne_header.resource_tab_offset, SEEK_SET); if( _lread32( hFile, (char*)pTypeInfo, size) != size ) { HeapFree( GetProcessHeap(), 0, pTypeInfo); pTypeInfo = NULL; } } } *retptr = pTypeInfo; return IMAGE_OS2_SIGNATURE; } else return 0; /* failed */ } /************************************************************************* * SHELL_LoadResource */ static HGLOBAL16 SHELL_LoadResource(HINSTANCE16 hInst, HFILE32 hFile, NE_NAMEINFO* pNInfo, WORD sizeShift) { BYTE* ptr; HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, (DWORD)pNInfo->length << sizeShift); TRACE(shell,"\n"); if( (ptr = (BYTE*)GlobalLock16( handle )) ) { _llseek32( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET); _lread32( hFile, (char*)ptr, pNInfo->length << sizeShift); return handle; } return 0; } /************************************************************************* * ICO_LoadIcon */ static HGLOBAL16 ICO_LoadIcon(HINSTANCE16 hInst, HFILE32 hFile, LPicoICONDIRENTRY lpiIDE) { BYTE* ptr; HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, lpiIDE->dwBytesInRes); TRACE(shell,"\n"); if( (ptr = (BYTE*)GlobalLock16( handle )) ) { _llseek32( hFile, lpiIDE->dwImageOffset, SEEK_SET); _lread32( hFile, (char*)ptr, lpiIDE->dwBytesInRes); return handle; } return 0; } /************************************************************************* * ICO_GetIconDirectory * * Read .ico file and build phony ICONDIR struct for GetIconID */ static HGLOBAL16 ICO_GetIconDirectory(HINSTANCE16 hInst, HFILE32 hFile, LPicoICONDIR* lplpiID ) { WORD id[3]; /* idReserved, idType, idCount */ LPicoICONDIR lpiID; int i; TRACE(shell,"\n"); _llseek32( hFile, 0, SEEK_SET ); if( _lread32(hFile,(char*)id,sizeof(id)) != sizeof(id) ) return 0; /* check .ICO header * * - see http://www.microsoft.com/win32dev/ui/icons.htm */ if( id[0] || id[1] != 1 || !id[2] ) return 0; i = id[2]*sizeof(icoICONDIRENTRY) + sizeof(id); lpiID = (LPicoICONDIR)HeapAlloc( GetProcessHeap(), 0, i); if( _lread32(hFile,(char*)lpiID->idEntries,i) == i ) { HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, id[2]*sizeof(ICONDIRENTRY) + sizeof(id) ); if( handle ) { CURSORICONDIR* lpID = (CURSORICONDIR*)GlobalLock16( handle ); lpID->idReserved = lpiID->idReserved = id[0]; lpID->idType = lpiID->idType = id[1]; lpID->idCount = lpiID->idCount = id[2]; for( i=0; i < lpiID->idCount; i++ ) { memcpy((void*)(lpID->idEntries + i), (void*)(lpiID->idEntries + i), sizeof(ICONDIRENTRY) - 2); lpID->idEntries[i].icon.wResId = i; } *lplpiID = lpiID; return handle; } } /* fail */ HeapFree( GetProcessHeap(), 0, lpiID); return 0; } /************************************************************************* * InternalExtractIcon [SHELL.39] * * This abortion is called directly by Progman */ HGLOBAL16 WINAPI InternalExtractIcon(HINSTANCE16 hInstance, LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n ) { HGLOBAL16 hRet = 0; HGLOBAL16* RetPtr = NULL; LPBYTE pData; OFSTRUCT ofs; DWORD sig; HFILE32 hFile = OpenFile32( lpszExeFileName, &ofs, OF_READ ); UINT16 iconDirCount = 0,iconCount = 0; TRACE(shell,"(%04x,file %s,start %d,extract %d\n", hInstance, lpszExeFileName, nIconIndex, n); if( hFile == HFILE_ERROR32 || !n ) return 0; hRet = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON16)*n); RetPtr = (HICON16*)GlobalLock16(hRet); *RetPtr = (n == 0xFFFF)? 0: 1; /* error return values */ sig = SHELL_GetResourceTable(hFile,&pData); if((sig == IMAGE_OS2_SIGNATURE) || (sig == 1)) /* .ICO file */ { HICON16 hIcon = 0; NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(pData + 2); NE_NAMEINFO* pIconStorage = NULL; NE_NAMEINFO* pIconDir = NULL; LPicoICONDIR lpiID = NULL; if( pData == (BYTE*)-1 ) { /* check for .ICO file */ hIcon = ICO_GetIconDirectory(hInstance, hFile, &lpiID); if( hIcon ) { iconDirCount = 1; iconCount = lpiID->idCount; } } else while( pTInfo->type_id && !(pIconStorage && pIconDir) ) { /* find icon directory and icon repository */ if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON ) { iconDirCount = pTInfo->count; pIconDir = ((NE_NAMEINFO*)(pTInfo + 1)); TRACE(shell,"\tfound directory - %i icon families\n", iconDirCount); } if( pTInfo->type_id == NE_RSCTYPE_ICON ) { iconCount = pTInfo->count; pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1)); TRACE(shell,"\ttotal icons - %i\n", iconCount); } pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO)); } /* load resources and create icons */ if( (pIconStorage && pIconDir) || lpiID ) if( nIconIndex == (UINT16)-1 ) RetPtr[0] = iconDirCount; else if( nIconIndex < iconDirCount ) { UINT16 i, icon; if( n > iconDirCount - nIconIndex ) n = iconDirCount - nIconIndex; for( i = nIconIndex; i < nIconIndex + n; i++ ) { /* .ICO files have only one icon directory */ if( lpiID == NULL ) hIcon = SHELL_LoadResource( hInstance, hFile, pIconDir + i, *(WORD*)pData ); RetPtr[i-nIconIndex] = GetIconID( hIcon, 3 ); GlobalFree16(hIcon); } for( icon = nIconIndex; icon < nIconIndex + n; icon++ ) { hIcon = 0; if( lpiID ) hIcon = ICO_LoadIcon( hInstance, hFile, lpiID->idEntries + RetPtr[icon-nIconIndex]); else for( i = 0; i < iconCount; i++ ) if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) ) hIcon = SHELL_LoadResource( hInstance, hFile, pIconStorage + i, *(WORD*)pData ); if( hIcon ) { RetPtr[icon-nIconIndex] = LoadIconHandler( hIcon, TRUE ); FarSetOwner( RetPtr[icon-nIconIndex], GetExePtr(hInstance) ); } else RetPtr[icon-nIconIndex] = 0; } } if( lpiID ) HeapFree( GetProcessHeap(), 0, lpiID); else HeapFree( GetProcessHeap(), 0, pData); } if( sig == IMAGE_NT_SIGNATURE) { LPBYTE peimage,idata,igdata; PIMAGE_DOS_HEADER dheader; PIMAGE_NT_HEADERS pe_header; PIMAGE_SECTION_HEADER pe_sections; PIMAGE_RESOURCE_DIRECTORY rootresdir,iconresdir,icongroupresdir; PIMAGE_RESOURCE_DATA_ENTRY idataent,igdataent; HANDLE32 fmapping; int i,j; PIMAGE_RESOURCE_DIRECTORY_ENTRY xresent; CURSORICONDIR **cids; fmapping = CreateFileMapping32A(hFile,NULL,PAGE_READONLY|SEC_COMMIT,0,0,NULL); if (fmapping == 0) { /* FIXME, INVALID_HANDLE_VALUE? */ WARN(shell,"failed to create filemap.\n"); _lclose32( hFile); return 0; } peimage = MapViewOfFile(fmapping,FILE_MAP_READ,0,0,0); if (!peimage) { WARN(shell,"failed to mmap filemap.\n"); CloseHandle(fmapping); _lclose32( hFile); return 0; } dheader = (PIMAGE_DOS_HEADER)peimage; /* it is a pe header, SHELL_GetResourceTable checked that */ pe_header = (PIMAGE_NT_HEADERS)(peimage+dheader->e_lfanew); /* probably makes problems with short PE headers... but I haven't seen * one yet... */ pe_sections = (PIMAGE_SECTION_HEADER)(((char*)pe_header)+sizeof(*pe_header)); rootresdir = NULL; for (i=0;iFileHeader.NumberOfSections;i++) { if (pe_sections[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA) continue; /* FIXME: doesn't work when the resources are not in a seperate section */ if (pe_sections[i].VirtualAddress == pe_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress) { rootresdir = (PIMAGE_RESOURCE_DIRECTORY)((char*)peimage+pe_sections[i].PointerToRawData); break; } } if (!rootresdir) { WARN(shell,"haven't found section for resource directory.\n"); UnmapViewOfFile(peimage); CloseHandle(fmapping); _lclose32( hFile); return 0; } icongroupresdir = GetResDirEntryW(rootresdir,RT_GROUP_ICON32W, (DWORD)rootresdir,FALSE); if (!icongroupresdir) { WARN(shell,"No Icongroupresourcedirectory!\n"); UnmapViewOfFile(peimage); CloseHandle(fmapping); _lclose32( hFile); return 0; } iconDirCount = icongroupresdir->NumberOfNamedEntries+icongroupresdir->NumberOfIdEntries; if( nIconIndex == (UINT16)-1 ) { RetPtr[0] = iconDirCount; UnmapViewOfFile(peimage); CloseHandle(fmapping); _lclose32( hFile); return hRet; } if (nIconIndex >= iconDirCount) { WARN(shell,"nIconIndex %d is larger than iconDirCount %d\n", nIconIndex,iconDirCount); UnmapViewOfFile(peimage); CloseHandle(fmapping); _lclose32( hFile); GlobalFree16(hRet); return 0; } cids = (CURSORICONDIR**)HeapAlloc(GetProcessHeap(),0,n*sizeof(CURSORICONDIR*)); /* caller just wanted the number of entries */ xresent = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(icongroupresdir+1); /* assure we don't get too much ... */ if( n > iconDirCount - nIconIndex ) n = iconDirCount - nIconIndex; /* starting from specified index ... */ xresent = xresent+nIconIndex; for (i=0;iu2.s.OffsetToDirectory)); /* default language (0) */ resdir = GetResDirEntryW(resdir,(LPWSTR)0,(DWORD)rootresdir,TRUE); igdataent = (PIMAGE_RESOURCE_DATA_ENTRY)resdir; /* lookup address in mapped image for virtual address */ igdata = NULL; for (j=0;jFileHeader.NumberOfSections;j++) { if (igdataent->OffsetToData < pe_sections[j].VirtualAddress) continue; if (igdataent->OffsetToData+igdataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData) continue; igdata = peimage+(igdataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData); } if (!igdata) { WARN(shell,"no matching real address for icongroup!\n"); UnmapViewOfFile(peimage); CloseHandle(fmapping); _lclose32( hFile); return 0; } /* found */ cid = (CURSORICONDIR*)igdata; cids[i] = cid; RetPtr[i] = LookupIconIdFromDirectoryEx32(igdata,TRUE,SYSMETRICS_CXICON,SYSMETRICS_CYICON,0); } iconresdir=GetResDirEntryW(rootresdir,RT_ICON32W, (DWORD)rootresdir,FALSE); if (!iconresdir) { WARN(shell,"No Iconresourcedirectory!\n"); UnmapViewOfFile(peimage); CloseHandle(fmapping); _lclose32( hFile); return 0; } for (i=0;iFileHeader.NumberOfSections;j++) { if (idataent->OffsetToData < pe_sections[j].VirtualAddress) continue; if (idataent->OffsetToData+idataent->Size > pe_sections[j].VirtualAddress+pe_sections[j].SizeOfRawData) continue; idata = peimage+(idataent->OffsetToData-pe_sections[j].VirtualAddress+pe_sections[j].PointerToRawData); } if (!idata) { WARN(shell,"no matching real address found for icondata!\n"); RetPtr[i]=0; continue; } RetPtr[i] = CreateIconFromResourceEx32(idata,idataent->Size,TRUE,0x00030000,SYSMETRICS_CXICON,SYSMETRICS_CYICON,0); } UnmapViewOfFile(peimage); CloseHandle(fmapping); _lclose32( hFile); return hRet; } _lclose32( hFile ); /* return array with icon handles */ return hRet; } /************************************************************************* * ExtractIcon16 (SHELL.34) */ HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName, UINT16 nIconIndex ) { TRACE(shell,"\n"); return ExtractIcon32A( hInstance, lpszExeFileName, nIconIndex ); } /************************************************************************* * ExtractAssociatedIcon [SHELL.36] * * Return icon for given file (either from file itself or from associated * executable) and patch parameters if needed. */ HICON32 WINAPI ExtractAssociatedIcon32A(HINSTANCE32 hInst,LPSTR lpIconPath, LPWORD lpiIcon) { TRACE(shell,"\n"); return ExtractAssociatedIcon16(hInst,lpIconPath,lpiIcon); } HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst,LPSTR lpIconPath, LPWORD lpiIcon) { HICON16 hIcon; TRACE(shell,"\n"); hIcon = ExtractIcon16(hInst, lpIconPath, *lpiIcon); if( hIcon < 2 ) { if( hIcon == 1 ) /* no icons found in given file */ { char tempPath[0x80]; UINT16 uRet = FindExecutable16(lpIconPath,NULL,tempPath); if( uRet > 32 && tempPath[0] ) { strcpy(lpIconPath,tempPath); hIcon = ExtractIcon16(hInst, lpIconPath, *lpiIcon); if( hIcon > 2 ) return hIcon; } else hIcon = 0; } if( hIcon == 1 ) *lpiIcon = 2; /* MSDOS icon - we found .exe but no icons in it */ else *lpiIcon = 6; /* generic icon - found nothing */ GetModuleFileName16(hInst, lpIconPath, 0x80); hIcon = LoadIcon16( hInst, MAKEINTRESOURCE16(*lpiIcon)); } return hIcon; } /************************************************************************* * FindEnvironmentString [SHELL.38] * * Returns a pointer into the DOS environment... Ugh. */ LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry) { UINT16 l; TRACE(shell,"\n"); l = strlen(entry); for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 ) { if( lstrncmpi32A(lpEnv, entry, l) ) continue; if( !*(lpEnv+l) ) return (lpEnv + l); /* empty entry */ else if ( *(lpEnv+l)== '=' ) return (lpEnv + l + 1); } return NULL; } SEGPTR WINAPI FindEnvironmentString(LPSTR str) { SEGPTR spEnv; LPSTR lpEnv,lpString; TRACE(shell,"\n"); spEnv = GetDOSEnvironment(); lpEnv = (LPSTR)PTR_SEG_TO_LIN(spEnv); lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL; if( lpString ) /* offset should be small enough */ return spEnv + (lpString - lpEnv); return (SEGPTR)NULL; } /************************************************************************* * DoEnvironmentSubst [SHELL.37] * * Replace %KEYWORD% in the str with the value of variable KEYWORD * from "DOS" environment. */ DWORD WINAPI DoEnvironmentSubst(LPSTR str,WORD length) { LPSTR lpEnv = (LPSTR)PTR_SEG_TO_LIN(GetDOSEnvironment()); LPSTR lpBuffer = (LPSTR)HeapAlloc( GetProcessHeap(), 0, length); LPSTR lpstr = str; LPSTR lpbstr = lpBuffer; CharToOem32A(str,str); TRACE(shell,"accept %s\n", str); while( *lpstr && lpbstr - lpBuffer < length ) { LPSTR lpend = lpstr; if( *lpstr == '%' ) { do { lpend++; } while( *lpend && *lpend != '%' ); if( *lpend == '%' && lpend - lpstr > 1 ) /* found key */ { LPSTR lpKey; *lpend = '\0'; lpKey = SHELL_FindString(lpEnv, lpstr+1); if( lpKey ) /* found key value */ { int l = strlen(lpKey); if( l > length - (lpbstr - lpBuffer) - 1 ) { WARN(shell,"-- Env subst aborted - string too short\n"); *lpend = '%'; break; } strcpy(lpbstr, lpKey); lpbstr += l; } else break; *lpend = '%'; lpstr = lpend + 1; } else break; /* back off and whine */ continue; } *lpbstr++ = *lpstr++; } *lpbstr = '\0'; if( lpstr - str == strlen(str) ) { strncpy(str, lpBuffer, length); length = 1; } else length = 0; TRACE(shell,"-- return %s\n", str); OemToChar32A(str,str); HeapFree( GetProcessHeap(), 0, lpBuffer); /* Return str length in the LOWORD * and 1 in HIWORD if subst was successful. */ return (DWORD)MAKELONG(strlen(str), length); } /************************************************************************* * ShellHookProc [SHELL.103] * System-wide WH_SHELL hook. */ LRESULT WINAPI ShellHookProc(INT16 code, WPARAM16 wParam, LPARAM lParam) { TRACE(shell,"%i, %04x, %08x\n", code, wParam, (unsigned)lParam ); if( SHELL_hHook && SHELL_hWnd ) { UINT16 uMsg = 0; switch( code ) { case HSHELL_WINDOWCREATED: uMsg = uMsgWndCreated; break; case HSHELL_WINDOWDESTROYED: uMsg = uMsgWndDestroyed; break; case HSHELL_ACTIVATESHELLWINDOW: uMsg = uMsgShellActivate; } PostMessage16( SHELL_hWnd, uMsg, wParam, 0 ); } return CallNextHookEx16( WH_SHELL, code, wParam, lParam ); } /************************************************************************* * RegisterShellHook [SHELL.102] */ BOOL32 WINAPI RegisterShellHook(HWND16 hWnd, UINT16 uAction) { TRACE(shell,"%04x [%u]\n", hWnd, uAction ); switch( uAction ) { case 2: /* register hWnd as a shell window */ if( !SHELL_hHook ) { HMODULE16 hShell = GetModuleHandle16( "SHELL" ); SHELL_hHook = SetWindowsHookEx16( WH_SHELL, ShellHookProc, hShell, 0 ); if( SHELL_hHook ) { uMsgWndCreated = RegisterWindowMessage32A( lpstrMsgWndCreated ); uMsgWndDestroyed = RegisterWindowMessage32A( lpstrMsgWndDestroyed ); uMsgShellActivate = RegisterWindowMessage32A( lpstrMsgShellActivate ); } else WARN(shell,"-- unable to install ShellHookProc()!\n"); } if( SHELL_hHook ) return ((SHELL_hWnd = hWnd) != 0); break; default: WARN(shell, "-- unknown code %i\n", uAction ); /* just in case */ SHELL_hWnd = 0; } return FALSE; }