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Sweden-Number/dlls/shell32/shell.c

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/*
* Shell Library Functions
*
* 1998 Marcus Meissner
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include "windef.h"
#include "wingdi.h"
#include "wine/winuser16.h"
#include "wine/winbase16.h"
#include "wine/shell16.h"
#include "winerror.h"
#include "dlgs.h"
#include "shellapi.h"
#include "shlobj.h"
#include "debugtools.h"
#include "winreg.h"
#include "shlwapi.h"
DEFAULT_DEBUG_CHANNEL(shell);
DECLARE_DEBUG_CHANNEL(exec);
typedef struct { /* structure for dropped files */
WORD wSize;
POINT16 ptMousePos;
BOOL16 fInNonClientArea;
/* memory block with filenames follows */
} DROPFILESTRUCT16, *LPDROPFILESTRUCT16;
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;
HINSTANCE16 SHELL_hInstance = 0;
HINSTANCE SHELL_hInstance32;
static int SHELL_Attach = 0;
/***********************************************************************
* SHELL_DllEntryPoint [SHELL.entry]
*
* Initialization code for shell.dll. Automatically loads the
* 32-bit shell32.dll to allow thunking up to 32-bit code.
*
* RETURNS:
*/
BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
WORD ds, WORD HeapSize, DWORD res1, WORD res2)
{
TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n",
Reason, hInst, ds, HeapSize, res1, res2);
switch(Reason)
{
case DLL_PROCESS_ATTACH:
if (SHELL_Attach++) break;
SHELL_hInstance = hInst;
if(!SHELL_hInstance32)
{
if(!(SHELL_hInstance32 = LoadLibraryA("shell32.dll")))
{
ERR("Could not load sibling shell32.dll\n");
return FALSE;
}
}
break;
case DLL_PROCESS_DETACH:
if(!--SHELL_Attach)
{
SHELL_hInstance = 0;
if(SHELL_hInstance32)
FreeLibrary(SHELL_hInstance32);
}
break;
}
return TRUE;
}
/*************************************************************************
* DragAcceptFiles16 [SHELL.9]
*/
void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
{
DragAcceptFiles(hWnd, b);
}
/*************************************************************************
* DragQueryFile16 [SHELL.11]
*/
UINT16 WINAPI DragQueryFile16(
HDROP16 hDrop,
WORD wFile,
LPSTR lpszFile,
WORD wLength)
{
LPSTR lpDrop;
UINT i = 0;
LPDROPFILESTRUCT16 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
TRACE("(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength);
if(!lpDropFileStruct) goto end;
lpDrop = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
wFile = (wFile==0xffff) ? 0xffffffff : wFile;
while (i++ < wFile)
{
while (*lpDrop++); /* skip filename */
if (!*lpDrop)
{
i = (wFile == 0xFFFFFFFF) ? i : 0;
goto end;
}
}
i = strlen(lpDrop);
i++;
if (!lpszFile ) goto end; /* needed buffer size */
i = (wLength > i) ? i : wLength;
lstrcpynA (lpszFile, lpDrop, i);
end:
GlobalUnlock16(hDrop);
return i;
}
/*************************************************************************
* DragFinish16 [SHELL.12]
*/
void WINAPI DragFinish16(HDROP16 h)
{
TRACE("\n");
GlobalFree16((HGLOBAL16)h);
}
/*************************************************************************
* DragQueryPoint16 [SHELL.13]
*/
BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
{
LPDROPFILESTRUCT16 lpDropFileStruct;
BOOL16 bRet;
TRACE("\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
*/
HINSTANCE 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 */
HINSTANCE retval=31; /* default - 'No association was found' */
char *tok; /* token pointer */
int i; /* random counter */
char xlpFile[256] = ""; /* result of SearchPath */
TRACE("%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 (SearchPathA( NULL, lpFile,".exe",sizeof(xlpFile),xlpFile,NULL))
{ TRACE("SearchPathA 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("xlpFile=%s,extension=%s\n", xlpFile, extension);
if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
{ WARN("Returning 31 - No association\n");
return 31; /* no association */
}
/* Make local copy & lowercase it for reg & 'programs=' lookup */
lstrcpynA( tmpext, extension, 5 );
CharLowerA( tmpext );
TRACE("%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 ( GetProfileStringA("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("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("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 )
{
LPSTR tmp;
char param[256];
LONG paramlen = 256;
/* Get the parameters needed by the application
from the associated ddeexec key */
tmp = strstr(filetype,"command");
tmp[0] = '\0';
strcat(filetype,"ddeexec");
if(RegQueryValue16( HKEY_CLASSES_ROOT, filetype, param,&paramlen ) == ERROR_SUCCESS)
{
strcat(command," ");
strcat(command,param);
commandlen += paramlen;
}
/* 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 ( GetProfileStringA( "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("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[1024] = "";
TRACE("(%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)
{ GetCurrentDirectoryA( sizeof(old_dir), old_dir );
SetCurrentDirectoryA( lpDirectory );
}
/* First try to execute lpFile with lpParameters directly */
strcpy(cmd,lpFile);
strcat(cmd,lpParameters ? lpParameters : "");
retval = WinExec16( cmd, iShowCmd );
/* Unable to execute lpFile directly
Check if we can match an application to lpFile */
if(retval < 32)
{
cmd[0] = '\0';
retval = SHELL_FindExecutable( lpFile, lpOperation, cmd );
if (retval > 32) /* Found */
{
if (lpParameters)
{
strcat(cmd," ");
strcat(cmd,lpParameters);
}
retval = WinExec16( cmd, iShowCmd );
}
else if(PathIsURLA((LPSTR)lpFile)) /* File not found, check for URL */
{
char lpstrProtocol[256];
LONG cmdlen = 512;
LPSTR lpstrRes;
INT iSize;
lpstrRes = strchr(lpFile,':');
iSize = lpstrRes - lpFile;
/* Looking for ...protocol\shell\lpOperation\command */
strncpy(lpstrProtocol,lpFile,iSize);
lpstrProtocol[iSize]='\0';
strcat( lpstrProtocol, "\\shell\\" );
strcat( lpstrProtocol, lpOperation );
strcat( lpstrProtocol, "\\command" );
/* Remove File Protocol from lpFile */
/* In the case file://path/file */
if(!strncasecmp(lpFile,"file",iSize))
{
lpFile += iSize;
while(*lpFile == ':') lpFile++;
}
/* Get the application for the protocol and execute it */
if (RegQueryValue16( HKEY_CLASSES_ROOT, lpstrProtocol, cmd,
&cmdlen ) == ERROR_SUCCESS )
{
LPSTR tok;
LPSTR tmp;
char param[256] = "";
LONG paramlen = 256;
/* Get the parameters needed by the application
from the associated ddeexec key */
tmp = strstr(lpstrProtocol,"command");
tmp[0] = '\0';
strcat(lpstrProtocol,"ddeexec");
if(RegQueryValue16( HKEY_CLASSES_ROOT, lpstrProtocol, param,&paramlen ) == ERROR_SUCCESS)
{
strcat(cmd," ");
strcat(cmd,param);
cmdlen += paramlen;
}
/* Is there a replace() function anywhere? */
cmd[cmdlen]='\0';
tok=strstr( cmd, "%1" );
if (tok != NULL)
{
tok[0]='\0'; /* truncate string at the percent */
strcat( cmd, lpFile ); /* what if no dir in xlpFile? */
tok=strstr( cmd, "%1" );
if ((tok!=NULL) && (strlen(tok)>2))
{
strcat( cmd, &tok[2] );
}
}
retval = WinExec16( cmd, iShowCmd );
}
}
/* Check if file specified is in the form www.??????.*** */
else if(!strncasecmp(lpFile,"www",3))
{
/* if so, append lpFile http:// and call ShellExecute */
char lpstrTmpFile[256] = "http://" ;
strcat(lpstrTmpFile,lpFile);
retval = ShellExecuteA(hWnd,lpOperation,lpstrTmpFile,NULL,NULL,0);
}
}
if (lpDirectory)
SetCurrentDirectoryA( old_dir );
return retval;
}
/*************************************************************************
* FindExecutable16 (SHELL.21)
*/
HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
LPSTR lpResult )
{ return (HINSTANCE16)FindExecutableA( lpFile, lpDirectory, lpResult );
}
/*************************************************************************
* AboutDlgProc16 (SHELL.33)
*/
BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
LPARAM lParam )
{ return AboutDlgProc( hWnd, msg, wParam, lParam );
}
/*************************************************************************
* ShellAbout16 (SHELL.22)
*/
BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
HICON16 hIcon )
{ return ShellAboutA( hWnd, szApp, szOtherStuff, hIcon );
}
/*************************************************************************
* InternalExtractIcon [SHELL.39]
*
* This abortion is called directly by Progman
*/
HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
{
HGLOBAL16 hRet = 0;
HICON16 *RetPtr = NULL;
OFSTRUCT ofs;
HFILE hFile;
TRACE("(%04x,file %s,start %d,extract %d\n",
hInstance, lpszExeFileName, nIconIndex, n);
if( !n )
return 0;
hFile = OpenFile( lpszExeFileName, &ofs, OF_READ );
hRet = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON16)*n);
RetPtr = (HICON16*)GlobalLock16(hRet);
if (hFile == HFILE_ERROR)
{ /* not found - load from builtin module if available */
HINSTANCE hInst = (HINSTANCE)LoadLibrary16(lpszExeFileName);
if (hInst < 32) /* hmm, no Win16 module - try Win32 :-) */
hInst = LoadLibraryA(lpszExeFileName);
if (hInst)
{
int i;
for (i=nIconIndex; i < nIconIndex + n; i++)
RetPtr[i-nIconIndex] =
(HICON16)LoadIconA(hInst, (LPCSTR)(DWORD)i);
FreeLibrary(hInst);
return hRet;
}
GlobalFree16( hRet );
return 0;
}
if (nIconIndex == (UINT16)-1) /* get number of icons */
{
RetPtr[0] = PrivateExtractIconsA( ofs.szPathName, -1, 0, 0, NULL, 0, 0, 0 );
}
else
{
HRESULT res;
HICON *icons;
icons = HeapAlloc( GetProcessHeap(), 0, n * sizeof(*icons) );
res = PrivateExtractIconsA( ofs.szPathName, nIconIndex,
GetSystemMetrics(SM_CXICON),
GetSystemMetrics(SM_CYICON),
icons, 0, n, 0 );
if (!res)
{
int i;
for (i = 0; i < n; i++) RetPtr[i] = (HICON16)icons[i];
}
else
{
GlobalFree16( hRet );
hRet = 0;
}
HeapFree( GetProcessHeap(), 0, icons );
}
return hRet;
}
/*************************************************************************
* ExtractIcon16 (SHELL.34)
*/
HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
UINT16 nIconIndex )
{ TRACE("\n");
return ExtractIconA( hInstance, lpszExeFileName, nIconIndex );
}
/*************************************************************************
* ExtractIconEx16 (SHELL.40)
*/
HICON16 WINAPI ExtractIconEx16(
LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
HICON16 *phiconSmall, UINT16 nIcons
) {
HICON *ilarge,*ismall;
UINT16 ret;
int i;
if (phiconLarge)
ilarge = (HICON*)HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
else
ilarge = NULL;
if (phiconSmall)
ismall = (HICON*)HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
else
ismall = NULL;
ret = ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons);
if (ilarge) {
for (i=0;i<nIcons;i++)
phiconLarge[i]=ilarge[i];
HeapFree(GetProcessHeap(),0,ilarge);
}
if (ismall) {
for (i=0;i<nIcons;i++)
phiconSmall[i]=ismall[i];
HeapFree(GetProcessHeap(),0,ismall);
}
return ret;
}
/*************************************************************************
* ExtractAssociatedIcon [SHELL.36]
*
* Return icon for given file (either from file itself or from associated
* executable) and patch parameters if needed.
*/
HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
{ HICON16 hIcon;
WORD wDummyIcon = 0;
TRACE("\n");
if(lpiIcon == NULL)
lpiIcon = &wDummyIcon;
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 = LoadIconA( hInst, MAKEINTRESOURCEA(*lpiIcon));
}
return hIcon;
}
/*************************************************************************
* ExtractAssociatedIconA
*
* Return icon for given file (either from file itself or from associated
* executable) and patch parameters if needed.
*/
HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
{ TRACE("\n");
return ExtractAssociatedIcon16(hInst,lpIconPath,lpiIcon);
}
/*************************************************************************
* FindEnvironmentString [SHELL.38]
*
* Returns a pointer into the DOS environment... Ugh.
*/
LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
{ UINT16 l;
TRACE("\n");
l = strlen(entry);
for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
{ if( strncasecmp(lpEnv, entry, l) )
continue;
if( !*(lpEnv+l) )
return (lpEnv + l); /* empty entry */
else if ( *(lpEnv+l)== '=' )
return (lpEnv + l + 1);
}
return NULL;
}
/**********************************************************************/
SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
{ SEGPTR spEnv;
LPSTR lpEnv,lpString;
TRACE("\n");
spEnv = GetDOSEnvironment16();
lpEnv = MapSL(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 DoEnvironmentSubst16(LPSTR str,WORD length)
{
LPSTR lpEnv = MapSL(GetDOSEnvironment16());
LPSTR lpBuffer = (LPSTR)HeapAlloc( GetProcessHeap(), 0, length);
LPSTR lpstr = str;
LPSTR lpbstr = lpBuffer;
CharToOemA(str,str);
TRACE("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("-- 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("-- return %s\n", str);
OemToCharA(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 ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
{
TRACE("%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;
}
PostMessageA( SHELL_hWnd, uMsg, wParam, 0 );
}
return CallNextHookEx16( WH_SHELL, code, wParam, lParam );
}
/*************************************************************************
* RegisterShellHook [SHELL.102]
*/
BOOL WINAPI RegisterShellHook16(HWND16 hWnd, UINT16 uAction)
{
TRACE("%04x [%u]\n", hWnd, uAction );
switch( uAction )
{
case 2: /* register hWnd as a shell window */
if( !SHELL_hHook )
{
HMODULE16 hShell = GetModuleHandle16( "SHELL" );
HOOKPROC16 hookProc = (HOOKPROC16)GetProcAddress16( hShell, (LPCSTR)103 );
SHELL_hHook = SetWindowsHookEx16( WH_SHELL, hookProc, hShell, 0 );
if ( SHELL_hHook )
{
uMsgWndCreated = RegisterWindowMessageA( lpstrMsgWndCreated );
uMsgWndDestroyed = RegisterWindowMessageA( lpstrMsgWndDestroyed );
uMsgShellActivate = RegisterWindowMessageA( lpstrMsgShellActivate );
}
else
WARN("-- unable to install ShellHookProc()!\n");
}
if ( SHELL_hHook )
return ((SHELL_hWnd = hWnd) != 0);
break;
default:
WARN("-- unknown code %i\n", uAction );
SHELL_hWnd = 0; /* just in case */
}
return FALSE;
}
/***********************************************************************
* DriveType16 (SHELL.262)
*/
UINT16 WINAPI DriveType16( UINT16 drive )
{
UINT ret;
char path[] = "A:\\";
path[0] += drive;
ret = GetDriveTypeA(path);
switch(ret) /* some values are not supported in Win16 */
{
case DRIVE_CDROM:
ret = DRIVE_REMOTE;
break;
case DRIVE_NO_ROOT_DIR:
ret = DRIVE_UNKNOWN;
break;
}
return ret;
}
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