reactos/base/shell/explorer/startmnu.cpp

   1 /*
   2  * ReactOS Explorer
   3  *
   4  * Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org>
   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 Street, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include "precomp.h"
  22
  23 HRESULT
  24 UpdateStartMenu(IN OUT IMenuPopup *pMenuPopup,
  25                 IN HBITMAP hbmBanner  OPTIONAL,
  26                 IN BOOL bSmallIcons)
  27 {
  28     CComPtr<IBanneredBar> pbb;
  29     HRESULT hRet;
  30
  31     hRet = pMenuPopup->QueryInterface(IID_PPV_ARG(IBanneredBar, &pbb));
  32     if (SUCCEEDED(hRet))
  33     {
  34         hRet = pbb->SetBitmap(hbmBanner);
  35
  36         /* Update the icon size */
  37         hRet = pbb->SetIconSize(bSmallIcons ? BMICON_SMALL : BMICON_LARGE);
  38     }
  39
  40     return hRet;
  41 }
  42
  43 IMenuPopup *
  44 CreateStartMenu(IN ITrayWindow *Tray,
  45                 OUT IMenuBand **ppMenuBand,
  46                 IN HBITMAP hbmBanner  OPTIONAL,
  47                 IN BOOL bSmallIcons)
  48 {
  49     HRESULT hr;
  50     CComPtr<IMenuPopup> pMp;
  51     CComPtr<IUnknown> pSms;
  52     CComPtr<IMenuBand> pMb;
  53     CComPtr<IInitializeObject> pIo;
  54     CComPtr<IUnknown> pUnk;
  55     CComPtr<IBandSite> pBs;
  56     DWORD dwBandId = 0;
  57
  58     hr = CreateStartMenuSite(Tray, IID_PPV_ARG(IUnknown, &pSms));
  59     if (FAILED_UNEXPECTEDLY(hr))
  60         return NULL;
  61
  62 #if 0
  63     hr = CoCreateInstance(&CLSID_StartMenu,
  64                           NULL,
  65                           CLSCTX_INPROC_SERVER,
  66                           &IID_IMenuPopup,
  67                           (PVOID *)&pMp);
  68 #else
  69     hr = _CStartMenu_Constructor(IID_PPV_ARG(IMenuPopup, &pMp));
  70 #endif
  71     if (FAILED_UNEXPECTEDLY(hr))
  72         return NULL;
  73
  74     /* Set the menu site so we can handle messages */
  75     hr = IUnknown_SetSite(pMp, pSms);
  76     if (FAILED_UNEXPECTEDLY(hr))
  77         return NULL;
  78
  79     /* Initialize the menu object */
  80     hr = pMp->QueryInterface(IID_PPV_ARG(IInitializeObject, &pIo));
  81     if (SUCCEEDED(hr))
  82         hr = pIo->Initialize();
  83     else
  84         hr = S_OK;
  85
  86     /* Everything is initialized now. Let's get the IMenuBand interface. */
  87     if (FAILED_UNEXPECTEDLY(hr))
  88         return NULL;
  89
  90     hr = pMp->GetClient(&pUnk);
  91     if (FAILED_UNEXPECTEDLY(hr))
  92         return NULL;
  93
  94     hr = pUnk->QueryInterface(IID_PPV_ARG(IBandSite, &pBs));
  95     if (FAILED_UNEXPECTEDLY(hr))
  96         return NULL;
  97
  98     /* Finally we have the IBandSite interface, there's only one
  99        band in it that apparently provides the IMenuBand interface */
 100     hr = pBs->EnumBands(0, &dwBandId);
 101     if (FAILED_UNEXPECTEDLY(hr))
 102         return NULL;
 103
 104     hr = pBs->GetBandObject(dwBandId, IID_PPV_ARG(IMenuBand, &pMb));
 105     if (FAILED_UNEXPECTEDLY(hr))
 106         return NULL;
 107
 108     UpdateStartMenu(pMp,
 109                     hbmBanner,
 110                     bSmallIcons);
 111
 112     *ppMenuBand = pMb.Detach();
 113
 114     return pMp.Detach();
 115 }