wine/dlls/commdlg/cdlg32.c
2002-02-02 18:42:11 +00:00

171 lines
4.7 KiB
C

/*
* Common Dialog Boxes interface (32 bit)
* Find/Replace
*
* Copyright 1999 Bertho A. Stultiens
*/
#include "winbase.h"
#include "wine/winbase16.h"
#include "commdlg.h"
#include "cderr.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(commdlg);
#include "cdlg.h"
HINSTANCE COMDLG32_hInstance = 0;
HINSTANCE16 COMDLG32_hInstance16 = 0;
static DWORD COMDLG32_TlsIndex;
HINSTANCE SHELL32_hInstance = 0;
HINSTANCE SHFOLDER_hInstance = 0;
/* 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);
/* SHELL */
LPVOID (WINAPI *COMDLG32_SHAlloc)(DWORD);
DWORD (WINAPI *COMDLG32_SHFree)(LPVOID);
BOOL (WINAPI *COMDLG32_SHGetFolderPathA)(HWND,int,HANDLE,DWORD,LPSTR);
/***********************************************************************
* COMDLG32_DllEntryPoint (COMDLG32.init)
*
* Initialization code for the COMDLG32 DLL
*
* RETURNS:
* FALSE if sibling could not be loaded or instantiated twice, TRUE
* otherwise.
*/
static char * GPA_string = "Failed to get entry point %s for hinst = 0x%08x\n";
#define GPA(dest, hinst, name) \
if(!(dest = (void*)GetProcAddress(hinst,name)))\
{ \
ERR(GPA_string, debugres_a(name), hinst); \
return FALSE; \
}
BOOL WINAPI COMDLG32_DllEntryPoint(HINSTANCE hInstance, DWORD Reason, LPVOID Reserved)
{
TRACE("(%08x, %08lx, %p)\n", hInstance, Reason, Reserved);
switch(Reason)
{
case DLL_PROCESS_ATTACH:
COMDLG32_hInstance = hInstance;
DisableThreadLibraryCalls(hInstance);
if(!COMDLG32_hInstance16)
{
if(!(COMDLG32_hInstance16 = LoadLibrary16("commdlg.dll")))
{
ERR("Could not load sibling commdlg.dll\n");
return FALSE;
}
}
COMDLG32_TlsIndex = 0xffffffff;
SHELL32_hInstance = GetModuleHandleA("SHELL32.DLL");
if (!SHELL32_hInstance)
{
ERR("loading of shell32 failed\n");
return FALSE;
}
/* 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);
/* SHELL */
GPA(COMDLG32_SHAlloc, SHELL32_hInstance, (LPCSTR)196L);
GPA(COMDLG32_SHFree, SHELL32_hInstance, (LPCSTR)195L);
/* for the first versions of shell32 SHGetFolderPathA is in SHFOLDER.DLL */
COMDLG32_SHGetFolderPathA = (void*)GetProcAddress(SHELL32_hInstance,"SHGetFolderPathA");
if (!COMDLG32_SHGetFolderPathA)
{
SHFOLDER_hInstance = LoadLibraryA("SHFOLDER.DLL");
GPA(COMDLG32_SHGetFolderPathA, SHFOLDER_hInstance,"SHGetFolderPathA");
}
break;
case DLL_PROCESS_DETACH:
if (COMDLG32_TlsIndex != 0xffffffff) TlsFree(COMDLG32_TlsIndex);
COMDLG32_TlsIndex = 0xffffffff;
COMDLG32_hInstance = 0;
if(COMDLG32_hInstance16) FreeLibrary16(COMDLG32_hInstance16);
if(SHFOLDER_hInstance) FreeLibrary(SHFOLDER_hInstance);
break;
}
return TRUE;
}
#undef GPA
/***********************************************************************
* COMDLG32_AllocMem (internal)
* Get memory for internal datastructure plus stringspace etc.
* RETURNS
* Pointer to a heap block: Succes
* NULL: Failure
*/
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("(%08lx)\n", err);
if (COMDLG32_TlsIndex == 0xffffffff)
COMDLG32_TlsIndex = TlsAlloc();
if (COMDLG32_TlsIndex != 0xffffffff)
TlsSetValue(COMDLG32_TlsIndex, (void *)err);
else
FIXME("No Tls Space\n");
}
/***********************************************************************
* CommDlgExtendedError (COMMDLG.26)
* 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 != 0xffffffff)
return (DWORD)TlsGetValue(COMDLG32_TlsIndex);
else
return 0; /* we never set an error, so there isn't one */
}