wine/dlls/comdlg32/cdlg32.c

170 lines
5.2 KiB
C

/*
* Common Dialog Boxes interface (32 bit)
* Find/Replace
*
* Copyright 1999 Bertho A. Stultiens
*
* 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 <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "commdlg.h"
#include "cderr.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
#include "cdlg.h"
HINSTANCE COMDLG32_hInstance = 0;
static DWORD COMDLG32_TlsIndex = TLS_OUT_OF_INDEXES;
static HINSTANCE SHELL32_hInstance;
static HINSTANCE SHFOLDER_hInstance;
/* ITEMIDLIST */
LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILClone) (LPCITEMIDLIST);
LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILCombine)(LPCITEMIDLIST,LPCITEMIDLIST);
LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILGetNext)(LPITEMIDLIST);
BOOL (WINAPI *COMDLG32_PIDL_ILRemoveLastID)(LPCITEMIDLIST);
BOOL (WINAPI *COMDLG32_PIDL_ILIsEqual)(LPCITEMIDLIST, LPCITEMIDLIST);
UINT (WINAPI *COMDLG32_PIDL_ILGetSize)(LPCITEMIDLIST);
/* SHELL */
LPVOID (WINAPI *COMDLG32_SHAlloc)(DWORD);
DWORD (WINAPI *COMDLG32_SHFree)(LPVOID);
BOOL (WINAPI *COMDLG32_SHGetFolderPathW)(HWND,int,HANDLE,DWORD,LPWSTR);
/***********************************************************************
* DllMain (COMDLG32.init)
*
* Initialization code for the COMDLG32 DLL
*
* RETURNS:
* FALSE if sibling could not be loaded or instantiated twice, TRUE
* otherwise.
*/
static const char GPA_string[] = "Failed to get entry point %s for hinst = %p\n";
#define GPA(dest, hinst, name) \
if(!(dest = (void*)GetProcAddress(hinst,name)))\
{ \
ERR(GPA_string, debugstr_a(name), hinst); \
return FALSE; \
}
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD Reason, LPVOID Reserved)
{
TRACE("(%p, %d, %p)\n", hInstance, Reason, Reserved);
switch(Reason)
{
case DLL_PROCESS_ATTACH:
COMDLG32_hInstance = hInstance;
DisableThreadLibraryCalls(hInstance);
SHELL32_hInstance = GetModuleHandleA("SHELL32.DLL");
/* ITEMIDLIST */
GPA(COMDLG32_PIDL_ILIsEqual, SHELL32_hInstance, (LPCSTR)21L);
GPA(COMDLG32_PIDL_ILCombine, SHELL32_hInstance, (LPCSTR)25L);
GPA(COMDLG32_PIDL_ILGetNext, SHELL32_hInstance, (LPCSTR)153L);
GPA(COMDLG32_PIDL_ILClone, SHELL32_hInstance, (LPCSTR)18L);
GPA(COMDLG32_PIDL_ILRemoveLastID, SHELL32_hInstance, (LPCSTR)17L);
GPA(COMDLG32_PIDL_ILGetSize, SHELL32_hInstance, (LPCSTR)152L);
/* SHELL */
GPA(COMDLG32_SHAlloc, SHELL32_hInstance, (LPCSTR)196L);
GPA(COMDLG32_SHFree, SHELL32_hInstance, (LPCSTR)195L);
/* for the first versions of shell32 SHGetFolderPathW is in SHFOLDER.DLL */
COMDLG32_SHGetFolderPathW = (void*)GetProcAddress(SHELL32_hInstance,"SHGetFolderPathW");
if (!COMDLG32_SHGetFolderPathW)
{
SHFOLDER_hInstance = LoadLibraryA("SHFOLDER.DLL");
GPA(COMDLG32_SHGetFolderPathW, SHFOLDER_hInstance,"SHGetFolderPathW");
}
break;
case DLL_PROCESS_DETACH:
if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES) TlsFree(COMDLG32_TlsIndex);
if(SHFOLDER_hInstance) FreeLibrary(SHFOLDER_hInstance);
break;
}
return TRUE;
}
#undef GPA
/***********************************************************************
* COMDLG32_AllocMem (internal)
* Get memory for internal datastructure plus stringspace etc.
* RETURNS
* Success: Pointer to a heap block
* Failure: null
*/
LPVOID COMDLG32_AllocMem(
int size /* [in] Block size to allocate */
) {
LPVOID ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
if(!ptr)
{
COMDLG32_SetCommDlgExtendedError(CDERR_MEMALLOCFAILURE);
return NULL;
}
return ptr;
}
/***********************************************************************
* COMDLG32_SetCommDlgExtendedError (internal)
*
* Used to set the thread's local error value if a comdlg32 function fails.
*/
void COMDLG32_SetCommDlgExtendedError(DWORD err)
{
TRACE("(%08x)\n", err);
if (COMDLG32_TlsIndex == TLS_OUT_OF_INDEXES)
COMDLG32_TlsIndex = TlsAlloc();
if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES)
TlsSetValue(COMDLG32_TlsIndex, (LPVOID)(DWORD_PTR)err);
else
FIXME("No Tls Space\n");
}
/***********************************************************************
* CommDlgExtendedError (COMDLG32.@)
*
* Get the thread's local error value if a comdlg32 function fails.
* RETURNS
* Current error value which might not be valid
* if a previous call succeeded.
*/
DWORD WINAPI CommDlgExtendedError(void)
{
if (COMDLG32_TlsIndex != TLS_OUT_OF_INDEXES)
return (DWORD_PTR)TlsGetValue(COMDLG32_TlsIndex);
else
return 0; /* we never set an error, so there isn't one */
}