dlls/ole32/ole32_main.c

   1 /*
   2  *  OLE32 Initialization
   3  *
   4  * Copyright 2000 Huw D M Davies for CodeWeavers
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #include "windef.h"
  25 #include "winerror.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "winuser.h"
  29 #include "winnls.h"
  30 #include "ole32_main.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  34
  35 HINSTANCE OLE32_hInstance = 0;
  36
  37 /***********************************************************************
  38  *              OleMetafilePictFromIconAndLabel (OLE32.@)
  39  */
  40 HGLOBAL WINAPI OleMetafilePictFromIconAndLabel(HICON hIcon, LPOLESTR lpszLabel,
  41                                                LPOLESTR lpszSourceFile, UINT iIconIndex)
  42 {
  43         METAFILEPICT mfp;
  44         HDC hdc;
  45         UINT dy;
  46         HGLOBAL hmem = NULL;
  47         LPVOID mfdata;
  48         static const char szIconOnly[] = "IconOnly";
  49
  50         TRACE("%p %p %s %d\n", hIcon, lpszLabel, debugstr_w(lpszSourceFile), iIconIndex);
  51
  52         if( !hIcon )
  53                 return NULL;
  54
  55         hdc = CreateMetaFileW(NULL);
  56         if( !hdc )
  57                 return NULL;
  58
  59         ExtEscape(hdc, MFCOMMENT, sizeof(szIconOnly), szIconOnly, 0, NULL);
  60
  61         /* FIXME: things are drawn in the wrong place */
  62         DrawIcon(hdc, 0, 0, hIcon);
  63         dy = GetSystemMetrics(SM_CXICON);
  64         if(lpszLabel)
  65                 TextOutW(hdc, 0, dy, lpszLabel, lstrlenW(lpszLabel));
  66
  67         if (lpszSourceFile)
  68         {
  69                 char szIconIndex[10];
  70                 int path_length = WideCharToMultiByte(CP_ACP,0,lpszSourceFile,-1,NULL,0,NULL,NULL);
  71                 if (path_length > 1)
  72                 {
  73                         char * szPath = CoTaskMemAlloc(path_length * sizeof(CHAR));
  74                         if (szPath)
  75                         {
  76                                 WideCharToMultiByte(CP_ACP,0,lpszSourceFile,-1,szPath,path_length,NULL,NULL);
  77                                 ExtEscape(hdc, MFCOMMENT, path_length, szPath, 0, NULL);
  78                                 CoTaskMemFree(szPath);
  79                         }
  80                 }
  81                 snprintf(szIconIndex, 10, "%u", iIconIndex);
  82                 ExtEscape(hdc, MFCOMMENT, strlen(szIconIndex)+1, szIconIndex, 0, NULL);
  83         }
  84
  85         mfp.mm = MM_ISOTROPIC;
  86         mfp.xExt = mfp.yExt = 0; /* FIXME ? */
  87         mfp.hMF = CloseMetaFile(hdc);
  88         if( !mfp.hMF )
  89                 return NULL;
  90
  91         hmem = GlobalAlloc( GMEM_MOVEABLE, sizeof(mfp) );
  92         if( !hmem )
  93         {
  94                 DeleteMetaFile(mfp.hMF);
  95                 return NULL;
  96         }
  97
  98         mfdata = GlobalLock( hmem );
  99         if( !mfdata )
 100         {
 101                 GlobalFree( hmem );
 102                 DeleteMetaFile(mfp.hMF);
 103                 return NULL;
 104         }
 105
 106         memcpy(mfdata,&mfp,sizeof(mfp));
 107         GlobalUnlock( hmem );
 108
 109         TRACE("returning %p\n",hmem);
 110
 111         return hmem;
 112 }
 113
 114
 115 /***********************************************************************
 116  *              DllMain (OLE32.@)
 117  */
 118 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 119 {
 120     TRACE("%p 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
 121
 122     switch(fdwReason) {
 123     case DLL_PROCESS_ATTACH:
 124         OLE32_hInstance = hinstDLL;
 125         COMPOBJ_InitProcess();
 126         if (TRACE_ON(ole)) CoRegisterMallocSpy((LPVOID)-1);
 127         break;
 128
 129     case DLL_PROCESS_DETACH:
 130         if (TRACE_ON(ole)) CoRevokeMallocSpy();
 131         COMPOBJ_UninitProcess();
 132         OLE32_hInstance = 0;
 133         break;
 134
 135     case DLL_THREAD_DETACH:
 136         COM_TlsDestroy();
 137         break;
 138     }
 139     return TRUE;
 140 }
 141
 142 /* NOTE: DllRegisterServer and DllUnregisterServer are in regsvr.c */