dlls/ntprint/ntprint.c

   1 /*
   2  * Implementation of the Spooler Setup API (Printing)
   3  *
   4  * Copyright 2007 Detlef Riekenberg
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24 #define NONAMELESSUNION
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winerror.h"
  29 #include "wingdi.h"
  30 #include "winnls.h"
  31 #include "winver.h"
  32 #include "winspool.h"
  33
  34 #include "wine/unicode.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(ntprint);
  38
  39 typedef struct {
  40   LPMONITOR_INFO_2W mi2;    /* Buffer for installed Monitors */
  41   DWORD installed;          /* Number of installed Monitors */
  42 } monitorinfo_t;
  43
  44 /*****************************************************
  45  *      DllMain
  46  */
  47 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  48 {
  49     TRACE("(%p, %d, %p)\n",hinstDLL, fdwReason, lpvReserved);
  50
  51     switch(fdwReason)
  52     {
  53         case DLL_WINE_PREATTACH:
  54             return FALSE;           /* prefer native version */
  55
  56         case DLL_PROCESS_ATTACH:
  57             DisableThreadLibraryCalls( hinstDLL );
  58             break;
  59     }
  60     return TRUE;
  61 }
  62
  63 /*****************************************************
  64  *  PSetupCreateMonitorInfo  [NTPRINT.@]
  65  *
  66  *
  67  */
  68
  69 HANDLE WINAPI PSetupCreateMonitorInfo(LPVOID unknown1, LPVOID  unknown2,LPVOID unknown3)
  70 {
  71     monitorinfo_t * mi=NULL;
  72     DWORD needed;
  73     DWORD res;
  74
  75     TRACE("(%p, %p, %p)\n", unknown1, unknown2, unknown3);
  76
  77     if ((unknown2 != NULL) || (unknown3 != NULL)) {
  78         FIXME("got unknown parameter: (%p, %p, %p)\n", unknown1, unknown2, unknown3);
  79         return NULL;
  80     }
  81
  82     mi = HeapAlloc(GetProcessHeap(), 0, sizeof(monitorinfo_t));
  83     if (!mi) {
  84         /* FIXME: SetLastError() needed? */
  85         return NULL;
  86     }
  87
  88     /* Get the needed size for all Monitors */
  89     res = EnumMonitorsW(NULL, 2, NULL, 0, &needed, &mi->installed);
  90     if (!res && (GetLastError() == ERROR_INSUFFICIENT_BUFFER)) {
  91         mi->mi2 = HeapAlloc(GetProcessHeap(), 0, needed);
  92         res = EnumMonitorsW(NULL, 2, (LPBYTE) mi->mi2, needed, &needed, &mi->installed);
  93     }
  94
  95     if (!res) {
  96         HeapFree(GetProcessHeap(), 0, mi);
  97         /* FIXME: SetLastError() needed? */
  98         return NULL;
  99     }
 100
 101     TRACE("=> %p (%u monitors installed)\n", mi, mi->installed);
 102     return mi;
 103 }
 104
 105 /*****************************************************
 106  *  PSetupDestroyMonitorInfo  [NTPRINT.@]
 107  *
 108  */
 109
 110 VOID WINAPI PSetupDestroyMonitorInfo(HANDLE monitorinfo)
 111 {
 112     monitorinfo_t * mi = monitorinfo;
 113
 114     TRACE("(%p)\n", mi);
 115     if (mi) {
 116         if (mi->installed) HeapFree(GetProcessHeap(), 0, mi->mi2);
 117         HeapFree(GetProcessHeap(), 0, mi);
 118     }
 119 }
 120
 121 /*****************************************************
 122  *  PSetupEnumMonitor  [NTPRINT.@]
 123  *
 124  * Copy the selected Monitorname to a buffer
 125  *
 126  * PARAMS
 127  *  monitorinfo [I]  HANDLE from PSetupCreateMonitorInfo
 128  *  index       [I]  Nr. of the Monitorname to copy
 129  *  buffer      [I]  Target, that receive the Monitorname
 130  *  psize       [IO] PTR to a DWORD that hold the size of the buffer and receive
 131  *                   the needed size, when the buffer is too small
 132  *
 133  * RETURNS
 134  *  Success:  TRUE
 135  *  Failure:  FALSE
 136  *
 137  * NOTES
 138  *   size is in Bytes on w2k and WCHAR on XP
 139  *
 140  */
 141
 142 BOOL WINAPI PSetupEnumMonitor(HANDLE monitorinfo, DWORD index, LPWSTR buffer, LPDWORD psize)
 143 {
 144     monitorinfo_t * mi = monitorinfo;
 145     LPWSTR  nameW;
 146     DWORD   len;
 147
 148     TRACE("(%p, %u, %p, %p) => %d\n", mi, index, buffer, psize, psize ? *psize : 0);
 149
 150     if (index < mi->installed) {
 151         nameW = mi->mi2[index].pName;
 152         len = lstrlenW(nameW) + 1;
 153         if (len <= *psize) {
 154             memcpy(buffer, nameW, len * sizeof(WCHAR));
 155             TRACE("#%u: %s\n", index, debugstr_w(buffer));
 156             return TRUE;
 157         }
 158         *psize = len;
 159         SetLastError(ERROR_INSUFFICIENT_BUFFER);
 160         return FALSE;
 161     }
 162     SetLastError(ERROR_NO_MORE_ITEMS);
 163     return FALSE;
 164 }