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Sweden-Number/misc/shell.c

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/*
* Shell Library Functions
*
* 1998 Marcus Meissner
*/
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#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;
/*************************************************************************
* DragAcceptFiles [SHELL.9]
*/
void WINAPI DragAcceptFiles(HWND16 hWnd, BOOL16 b)
{ WND* wnd = WIN_FindWndPtr(hWnd);
if( wnd )
wnd->dwExStyle = b? wnd->dwExStyle | WS_EX_ACCEPTFILES
: wnd->dwExStyle & ~WS_EX_ACCEPTFILES;
}
/*************************************************************************
* DragQueryFile [SHELL.11]
*/
UINT16 WINAPI DragQueryFile(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 */
LPDROPFILESTRUCT lpDropFileStruct;
LPSTR lpCurrent;
WORD i;
TRACE(shell,"(%04x, %i, %p, %u)\n",
hDrop,wFile,lpszFile,wLength);
lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock16(hDrop);
if(!lpDropFileStruct)
return 0;
lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
i = 0;
while (i++ < wFile)
{ while (*lpCurrent++); /* skip filename */
if (!*lpCurrent)
return (wFile == 0xFFFF) ? i : 0;
}
i = strlen(lpCurrent);
if (!lpszFile)
return i+1; /* needed buffer size */
i = (wLength > i) ? i : wLength-1;
strncpy(lpszFile, lpCurrent, i);
lpszFile[i] = '\0';
GlobalUnlock16(hDrop);
return i;
}
/*************************************************************************
* DragFinish [SHELL.12]
*/
void WINAPI DragFinish(HDROP16 h)
{ TRACE(shell,"\n");
GlobalFree16((HGLOBAL16)h);
}
/*************************************************************************
* DragQueryPoint [SHELL.13]
*/
BOOL16 WINAPI DragQueryPoint(HDROP16 hDrop, POINT16 *p)
{ LPDROPFILESTRUCT lpDropFileStruct;
BOOL16 bRet;
TRACE(shell,"\n");
lpDropFileStruct = (LPDROPFILESTRUCT) 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\<filetype>\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;i<strlen(buffer); i++) buffer[i]=tolower(buffer[i]);
tok = strtok(buffer, " \t"); /* ? */
while( tok!= NULL)
{
if (strcmp(tok, &tmpext[1])==0) /* have to skip the leading "." */
{
strcpy(lpResult, xlpFile);
/* Need to perhaps check that the file has a path
* attached */
TRACE(shell, "found %s\n", lpResult);
return 33;
/* Greater than 32 to indicate success FIXME According to the
* docs, I should be returning a handle for the
* executable. Does this mean I'm supposed to open the
* executable file or something? More RTFM, I guess... */
}
tok=strtok(NULL, " \t");
}
}
/* Check registry */
if (RegQueryValue16( HKEY_CLASSES_ROOT, tmpext, filetype,
&filetypelen ) == ERROR_SUCCESS )
{
filetype[filetypelen]='\0';
TRACE(shell, "File type: %s\n", filetype);
/* Looking for ...buffer\shell\lpOperation\command */
strcat( filetype, "\\shell\\" );
strcat( filetype, lpOperation );
strcat( filetype, "\\command" );
if (RegQueryValue16( HKEY_CLASSES_ROOT, filetype, command,
&commandlen ) == ERROR_SUCCESS )
{
/* Is there a replace() function anywhere? */
command[commandlen]='\0';
strcpy( lpResult, command );
tok=strstr( lpResult, "%1" );
if (tok != NULL)
{
tok[0]='\0'; /* truncate string at the percent */
strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
tok=strstr( command, "%1" );
if ((tok!=NULL) && (strlen(tok)>2))
{
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:"<null>", lpFile ? lpFile:"<null>",
lpParameters ? lpParameters : "<null>",
lpDirectory ? lpDirectory : "<null>", 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;i<pe_header->FileHeader.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;i<n;i++,xresent++) {
CURSORICONDIR *cid;
PIMAGE_RESOURCE_DIRECTORY resdir;
/* go down this resource entry, name */
resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.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;j<pe_header->FileHeader.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;i<n;i++) {
PIMAGE_RESOURCE_DIRECTORY xresdir;
xresdir = GetResDirEntryW(iconresdir,(LPWSTR)RetPtr[i],(DWORD)rootresdir,FALSE);
xresdir = GetResDirEntryW(xresdir,(LPWSTR)0,(DWORD)rootresdir,TRUE);
idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
idata = NULL;
/* map virtual to address in image */
for (j=0;j<pe_header->FileHeader.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;
}
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