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Sweden-Number/dlls/shell.dll16/shell.c

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/*
* Shell Library Functions
*
* Copyright 1998 Marcus Meissner
* Copyright 2000 Juergen Schmied
* Copyright 2002 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <ctype.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "wownt32.h"
#include "shellapi.h"
#include "winuser.h"
#include "wingdi.h"
#include "shlobj.h"
#include "shlwapi.h"
#include "wine/winbase16.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
extern HINSTANCE WINAPI WOWShellExecute(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
LPCSTR lpParameters,LPCSTR lpDirectory,
INT iShowCmd, void *callback);
#define HICON_16(h32) (LOWORD(h32))
#define HICON_32(h16) ((HICON)(ULONG_PTR)(h16))
#define HINSTANCE_32(h16) ((HINSTANCE)(ULONG_PTR)(h16))
#define HINSTANCE_16(h32) (LOWORD(h32))
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 HWND SHELL_hWnd = 0;
static HHOOK SHELL_hHook = 0;
static UINT uMsgWndCreated = 0;
static UINT uMsgWndDestroyed = 0;
static UINT uMsgShellActivate = 0;
/***********************************************************************
* DllEntryPoint [SHELL.101]
*
* Initialization code for shell.dll. Automatically loads the
* 32-bit shell32.dll to allow thunking up to 32-bit code.
*
* RETURNS
* Success: TRUE. Initialization completed successfully.
* Failure: FALSE.
*/
BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
WORD ds, WORD HeapSize, DWORD res1, WORD res2)
{
return TRUE;
}
/*************************************************************************
* DragAcceptFiles [SHELL.9]
*/
void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
{
DragAcceptFiles(HWND_32(hWnd), b);
}
/*************************************************************************
* DragQueryFile [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;
while (i++ < wFile)
{
while (*lpDrop++); /* skip filename */
if (!*lpDrop)
{
i = (wFile == 0xFFFF) ? i : 0;
goto end;
}
}
i = strlen(lpDrop);
if (!lpszFile ) goto end; /* needed buffer size */
lstrcpynA (lpszFile, lpDrop, wLength);
end:
GlobalUnlock16(hDrop);
return i;
}
/*************************************************************************
* DragFinish [SHELL.12]
*/
void WINAPI DragFinish16(HDROP16 h)
{
TRACE("\n");
GlobalFree16(h);
}
/*************************************************************************
* DragQueryPoint [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;
}
/*************************************************************************
* FindExecutable (SHELL.21)
*/
HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
LPSTR lpResult )
{ return HINSTANCE_16(FindExecutableA( lpFile, lpDirectory, lpResult ));
}
/*************************************************************************
* AboutDlgProc (SHELL.33)
*/
BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
LPARAM lParam )
{
FIXME( "stub\n" );
return FALSE;
}
/*************************************************************************
* ShellAbout (SHELL.22)
*/
BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
HICON16 hIcon )
{ return ShellAboutA( HWND_32(hWnd), szApp, szOtherStuff, HICON_32(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;
TRACE("(%04x,file %s,start %d,extract %d\n",
hInstance, lpszExeFileName, nIconIndex, n);
if (!n)
return 0;
hRet = GlobalAlloc16(GMEM_FIXED | GMEM_ZEROINIT, sizeof(*RetPtr) * n);
RetPtr = GlobalLock16(hRet);
if (nIconIndex == (UINT16)-1) /* get number of icons */
{
RetPtr[0] = PrivateExtractIconsA(lpszExeFileName, 0, 0, 0, NULL, NULL, 0, LR_DEFAULTCOLOR);
}
else
{
UINT ret;
HICON *icons;
icons = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*icons));
ret = PrivateExtractIconsA(lpszExeFileName, nIconIndex,
GetSystemMetrics(SM_CXICON),
GetSystemMetrics(SM_CYICON),
icons, NULL, n, LR_DEFAULTCOLOR);
if ((ret != 0xffffffff) && ret)
{
int i;
for (i = 0; i < n; i++) RetPtr[i] = HICON_16(icons[i]);
}
else
{
GlobalFree16(hRet);
hRet = 0;
}
HeapFree(GetProcessHeap(), 0, icons);
}
return hRet;
}
/*************************************************************************
* ExtractIcon (SHELL.34)
*/
HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
UINT16 nIconIndex )
{ TRACE("\n");
return HICON_16(ExtractIconA(HINSTANCE_32(hInstance), lpszExeFileName, nIconIndex));
}
/*************************************************************************
* ExtractIconEx (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 = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
else
ilarge = NULL;
if (phiconSmall)
ismall = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
else
ismall = NULL;
ret = HICON_16(ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons));
if (ilarge) {
for (i=0;i<nIcons;i++)
phiconLarge[i]=HICON_16(ilarge[i]);
HeapFree(GetProcessHeap(),0,ilarge);
}
if (ismall) {
for (i=0;i<nIcons;i++)
phiconSmall[i]=HICON_16(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)
{
return HICON_16(ExtractAssociatedIconA(HINSTANCE_32(hInst), lpIconPath,
lpiIcon));
}
/*************************************************************************
* FindEnvironmentString [SHELL.38]
*
* Returns a pointer into the DOS environment... Ugh.
*/
static 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(LPCSTR 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 0;
}
/*************************************************************************
* DoEnvironmentSubst [SHELL.37]
*
* Replace %KEYWORD% in the str with the value of variable KEYWORD
* from "DOS" environment. If it is not found the %KEYWORD% is left
* intact. If the buffer is too small, str is not modified.
*
* PARAMS
* str [I] '\0' terminated string with %keyword%.
* [O] '\0' terminated string with %keyword% substituted.
* length [I] size of str.
*
* RETURNS
* str length in the LOWORD and 1 in HIWORD if subst was successful.
*/
DWORD WINAPI DoEnvironmentSubst16(LPSTR str,WORD length)
{
LPSTR lpEnv = MapSL(GetDOSEnvironment16());
LPSTR lpstr = str;
LPSTR lpend;
LPSTR lpBuffer = HeapAlloc( GetProcessHeap(), 0, length);
WORD bufCnt = 0;
WORD envKeyLen;
LPSTR lpKey;
WORD retStatus = 0;
WORD retLength = length;
CharToOemA(str,str);
TRACE("accept %s\n", str);
while( *lpstr && bufCnt <= length - 1 ) {
if ( *lpstr != '%' ) {
lpBuffer[bufCnt++] = *lpstr++;
continue;
}
for( lpend = lpstr + 1; *lpend && *lpend != '%'; lpend++) /**/;
envKeyLen = lpend - lpstr - 1;
if( *lpend != '%' || envKeyLen == 0)
goto err; /* "%\0" or "%%" found; back off and whine */
*lpend = '\0';
lpKey = SHELL_FindString(lpEnv, lpstr+1);
*lpend = '%';
if( lpKey ) {
int l = strlen(lpKey);
if( bufCnt + l > length - 1 )
goto err;
memcpy(lpBuffer + bufCnt, lpKey, l);
bufCnt += l;
} else { /* Keyword not found; Leave the %KEYWORD% intact */
if( bufCnt + envKeyLen + 2 > length - 1 )
goto err;
memcpy(lpBuffer + bufCnt, lpstr, envKeyLen + 2);
bufCnt += envKeyLen + 2;
}
lpstr = lpend + 1;
}
if (!*lpstr && bufCnt <= length - 1) {
memcpy(str,lpBuffer, bufCnt);
str[bufCnt] = '\0';
retLength = bufCnt + 1;
retStatus = 1;
}
err:
if (!retStatus)
WARN("-- Env subst aborted - string too short or invalid input\n");
TRACE("-- return %s\n", str);
OemToCharA(str,str);
HeapFree( GetProcessHeap(), 0, lpBuffer);
return (DWORD)MAKELONG(retLength, retStatus);
}
/*************************************************************************
* SHELL_HookProc
*
* 32-bit version of the system-wide WH_SHELL hook.
*/
static LRESULT WINAPI SHELL_HookProc(INT code, WPARAM wParam, LPARAM lParam)
{
TRACE("%i, %lx, %08lx\n", code, wParam, lParam );
if (SHELL_hWnd)
{
switch( code )
{
case HSHELL_WINDOWCREATED:
PostMessageA( SHELL_hWnd, uMsgWndCreated, wParam, 0 );
break;
case HSHELL_WINDOWDESTROYED:
PostMessageA( SHELL_hWnd, uMsgWndDestroyed, wParam, 0 );
break;
case HSHELL_ACTIVATESHELLWINDOW:
PostMessageA( SHELL_hWnd, uMsgShellActivate, wParam, 0 );
break;
}
}
return CallNextHookEx( SHELL_hHook, code, wParam, lParam );
}
/*************************************************************************
* ShellHookProc [SHELL.103]
* System-wide WH_SHELL hook.
*/
LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
{
return SHELL_HookProc( 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 )
{
SHELL_hHook = SetWindowsHookExA( WH_SHELL, SHELL_HookProc,
GetModuleHandleA("shell32.dll"), 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_32(hWnd)) != 0);
break;
default:
WARN("-- unknown code %i\n", uAction );
SHELL_hWnd = 0; /* just in case */
}
return FALSE;
}
/***********************************************************************
* DriveType (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;
}
/* 0 and 1 are valid rootkeys in win16 shell.dll and are used by
* some programs. Do not remove those cases. -MM
*/
static inline void fix_win16_hkey( HKEY *hkey )
{
if (*hkey == 0 || *hkey == (HKEY)1) *hkey = HKEY_CLASSES_ROOT;
}
/******************************************************************************
* RegOpenKey [SHELL.1]
*/
DWORD WINAPI RegOpenKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
{
fix_win16_hkey( &hkey );
return RegOpenKeyA( hkey, name, retkey );
}
/******************************************************************************
* RegCreateKey [SHELL.2]
*/
DWORD WINAPI RegCreateKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
{
fix_win16_hkey( &hkey );
return RegCreateKeyA( hkey, name, retkey );
}
/******************************************************************************
* RegCloseKey [SHELL.3]
*/
DWORD WINAPI RegCloseKey16( HKEY hkey )
{
fix_win16_hkey( &hkey );
return RegCloseKey( hkey );
}
/******************************************************************************
* RegDeleteKey [SHELL.4]
*/
DWORD WINAPI RegDeleteKey16( HKEY hkey, LPCSTR name )
{
fix_win16_hkey( &hkey );
return RegDeleteKeyA( hkey, name );
}
/******************************************************************************
* RegSetValue [SHELL.5]
*/
DWORD WINAPI RegSetValue16( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
{
fix_win16_hkey( &hkey );
return RegSetValueA( hkey, name, type, data, count );
}
/******************************************************************************
* RegQueryValue [SHELL.6]
*
* NOTES
* Is this HACK still applicable?
*
* HACK
* The 16bit RegQueryValue doesn't handle selectorblocks anyway, so we just
* mask out the high 16 bit. This (not so much incidentally) hopefully fixes
* Aldus FH4)
*/
DWORD WINAPI RegQueryValue16( HKEY hkey, LPCSTR name, LPSTR data, LPDWORD count
)
{
fix_win16_hkey( &hkey );
if (count) *count &= 0xffff;
return RegQueryValueA( hkey, name, data, (LONG*) count );
}
/******************************************************************************
* RegEnumKey [SHELL.7]
*/
DWORD WINAPI RegEnumKey16( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
{
fix_win16_hkey( &hkey );
return RegEnumKeyA( hkey, index, name, name_len );
}
/*************************************************************************
* SHELL_Execute16 [Internal]
*/
static UINT_PTR SHELL_Execute16(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
{
UINT ret;
char sCmd[MAX_PATH];
WideCharToMultiByte(CP_ACP, 0, lpCmd, -1, sCmd, MAX_PATH, NULL, NULL);
ret = WinExec16(sCmd, (UINT16)psei->nShow);
psei_out->hInstApp = HINSTANCE_32(ret);
return ret;
}
/*************************************************************************
* ShellExecute [SHELL.20]
*/
HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation,
LPCSTR lpFile, LPCSTR lpParameters,
LPCSTR lpDirectory, INT16 iShowCmd )
{
return HINSTANCE_16( WOWShellExecute( HWND_32(hWnd), lpOperation, lpFile, lpParameters,
lpDirectory, iShowCmd, SHELL_Execute16 ));
}
/*************************************************************************
* RunDLL_CallEntry16
*
* Only exported from shell32 on Windows, probably imported
* from shell through the 16/32 thunks.
*/
void WINAPI RunDLL_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst, LPCSTR cmdline, INT cmdshow )
{
WORD args[5];
SEGPTR cmdline_seg;
TRACE( "proc %x hwnd %p inst %p cmdline %s cmdshow %d\n",
proc, hwnd, inst, debugstr_a(cmdline), cmdshow );
cmdline_seg = MapLS( cmdline );
args[4] = HWND_16(hwnd);
args[3] = MapHModuleLS(inst);
args[2] = SELECTOROF(cmdline_seg);
args[1] = OFFSETOF(cmdline_seg);
args[0] = cmdshow;
WOWCallback16Ex( proc, WCB16_PASCAL, sizeof(args), args, NULL );
UnMapLS( cmdline_seg );
}
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