reactos/dll/win32/ntprint/ntprint.c

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/*
* Implementation of the Spooler Setup API (Printing)
*
* Copyright 2007 Detlef Riekenberg
*
* 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>
#define COBJMACROS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "wingdi.h"
#include "winnls.h"
#include "winver.h"
#include "winspool.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntprint);
HINSTANCE NTPRINT_hInstance = NULL;
typedef struct {
LPMONITOR_INFO_2W mi2; /* Buffer for installed Monitors */
DWORD installed; /* Number of installed Monitors */
} monitorinfo_t;
/*****************************************************
* DllMain
*/
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
TRACE("(%p, %d, %p)\n",hinstDLL, fdwReason, lpvReserved);
switch(fdwReason)
{
case DLL_WINE_PREATTACH:
return FALSE; /* prefer native version */
case DLL_PROCESS_ATTACH:
NTPRINT_hInstance = hinstDLL;
DisableThreadLibraryCalls( hinstDLL );
break;
}
return TRUE;
}
/*****************************************************
* PSetupCreateMonitorInfo [NTPRINT.@]
*
*
*/
HANDLE WINAPI PSetupCreateMonitorInfo(LPVOID unknown1, LPVOID unknown2,LPVOID unknown3)
{
monitorinfo_t * mi=NULL;
DWORD needed;
DWORD res;
TRACE("(%p, %p, %p)\n", unknown1, unknown2, unknown3);
if ((unknown2 != NULL) || (unknown3 != NULL)) {
FIXME("got unknown parameter: (%p, %p, %p)\n", unknown1, unknown2, unknown3);
return NULL;
}
mi = HeapAlloc(GetProcessHeap(), 0, sizeof(monitorinfo_t));
if (!mi) {
/* FIXME: SetLastError() needed? */
return NULL;
}
/* Get the needed size for all Monitors */
res = EnumMonitorsW(NULL, 2, NULL, 0, &needed, &mi->installed);
if (!res && (GetLastError() == ERROR_INSUFFICIENT_BUFFER)) {
mi->mi2 = HeapAlloc(GetProcessHeap(), 0, needed);
res = EnumMonitorsW(NULL, 2, (LPBYTE) mi->mi2, needed, &needed, &mi->installed);
}
if (!res) {
HeapFree(GetProcessHeap(), 0, mi);
/* FIXME: SetLastError() needed? */
return NULL;
}
TRACE("=> %p (%u monitors installed)\n", mi, mi->installed);
return mi;
}
/*****************************************************
* PSetupDestroyMonitorInfo [NTPRINT.@]
*
*/
VOID WINAPI PSetupDestroyMonitorInfo(HANDLE monitorinfo)
{
monitorinfo_t * mi = monitorinfo;
TRACE("(%p)\n", mi);
if (mi) {
if (mi->installed) HeapFree(GetProcessHeap(), 0, mi->mi2);
HeapFree(GetProcessHeap(), 0, mi);
}
}
/*****************************************************
* PSetupEnumMonitor [NTPRINT.@]
*
* Copy the selected Monitorname to a buffer
*
* PARAMS
* monitorinfo [I] HANDLE from PSetupCreateMonitorInfo
* index [I] Nr. of the Monitorname to copy
* buffer [I] Target, that receive the Monitorname
* psize [IO] PTR to a DWORD that hold the size of the buffer and receive
* the needed size, when the buffer is too small
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* size is in Bytes on w2k and WCHAR on XP
*
*/
BOOL WINAPI PSetupEnumMonitor(HANDLE monitorinfo, DWORD index, LPWSTR buffer, LPDWORD psize)
{
monitorinfo_t * mi = monitorinfo;
LPWSTR nameW;
DWORD len;
TRACE("(%p, %u, %p, %p) => %d\n", mi, index, buffer, psize, psize ? *psize : 0);
if (index < mi->installed) {
nameW = mi->mi2[index].pName;
len = lstrlenW(nameW) + 1;
if (len <= *psize) {
memcpy(buffer, nameW, len * sizeof(WCHAR));
TRACE("#%u: %s\n", index, debugstr_w(buffer));
return TRUE;
}
*psize = len;
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
SetLastError(ERROR_NO_MORE_ITEMS);
return FALSE;
}