mirror of
https://github.com/reactos/reactos.git
synced 2024-06-22 22:11:39 +00:00
364 lines
8.6 KiB
C++
364 lines
8.6 KiB
C++
/*
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* Shell Menu Site
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*
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* Copyright 2014 David Quintana
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "shellmenu.h"
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#include <atlwin.h>
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#include <shlwapi_undoc.h>
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#include "CMenuSite.h"
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CMenuSite::CMenuSite() :
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m_DeskBarSite(NULL),
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m_BandObject(NULL),
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m_DeskBand(NULL),
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m_WinEventHandler(NULL),
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m_hWndBand(NULL)
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{
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}
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// Child Band management (simplified due to only supporting one single child)
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HRESULT STDMETHODCALLTYPE CMenuSite::AddBand(IUnknown * punk)
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{
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HRESULT hr;
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// Little helper, for readability
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#define TO_HRESULT(x) ((HRESULT)(S_OK+(x)))
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CComPtr<IUnknown> pUnknown;
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punk->QueryInterface(IID_PPV_ARG(IUnknown, &pUnknown));
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if (pUnknown == m_BandObject)
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return TO_HRESULT(0);
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if (m_BandObject)
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{
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hr = IUnknown_SetSite(m_BandObject, NULL);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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}
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m_BandObject = NULL;
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m_DeskBand = NULL;
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m_WinEventHandler = NULL;
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m_hWndBand = NULL;
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if (!pUnknown)
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return TO_HRESULT(0);
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hr = pUnknown->QueryInterface(IID_PPV_ARG(IDeskBand, &m_DeskBand));
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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hr = pUnknown->QueryInterface(IID_PPV_ARG(IWinEventHandler, &m_WinEventHandler));
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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hr = IUnknown_SetSite(pUnknown, this->ToIUnknown());
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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hr = IUnknown_GetWindow(pUnknown, &m_hWndBand);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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m_BandObject = pUnknown;
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return TO_HRESULT(0);
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::EnumBands(UINT uBand, DWORD* pdwBandID)
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{
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if (uBand != 0)
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return E_FAIL;
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*pdwBandID = 0;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::GetBandObject(DWORD dwBandID, REFIID riid, VOID **ppv)
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{
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if (dwBandID != 0 || m_BandObject == NULL)
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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return m_BandObject->QueryInterface(riid, ppv);
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::QueryBand(DWORD dwBandID, IDeskBand **ppstb, DWORD *pdwState, LPWSTR pszName, int cchName)
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{
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if (dwBandID != 0)
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return E_FAIL;
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if (!m_BandObject)
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{
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*ppstb = NULL;
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return E_NOINTERFACE;
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}
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HRESULT hr = m_BandObject->QueryInterface(IID_PPV_ARG(IDeskBand, ppstb));
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*pdwState = 1;
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if (cchName > 0)
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pszName[0] = 0;
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return hr;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::GetSize(DWORD dwWhich, LPRECT prc)
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{
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memset(prc, 0, sizeof(*prc));
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if (dwWhich != 0)
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return S_OK;
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if (m_DeskBand == NULL)
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return S_OK;
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DESKBANDINFO info = { 0 };
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info.dwMask = DBIM_MAXSIZE;
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m_DeskBand->GetBandInfo(0, 0, &info);
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prc->right = info.ptMaxSize.x;
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prc->bottom = info.ptMaxSize.y;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::GetWindow(HWND *phwnd)
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{
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if (!IsWindow())
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return E_FAIL;
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*phwnd = m_hWnd;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::IsWindowOwner(HWND hWnd)
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{
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if (hWnd == m_hWnd)
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return S_OK;
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if (!m_WinEventHandler)
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return S_FALSE;
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return m_WinEventHandler->IsWindowOwner(hWnd);
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::OnWinEvent(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *theResult)
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{
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if (!m_WinEventHandler)
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return S_OK;
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return m_WinEventHandler->OnWinEvent(hWnd, uMsg, wParam, lParam, theResult);
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::QueryService(REFGUID guidService, REFIID riid, void **ppvObject)
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{
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*ppvObject = NULL;
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if (IsEqualGUID(guidService, SID_SMenuBandBottom) ||
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IsEqualGUID(guidService, SID_SMenuBandBottomSelected) ||
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IsEqualGUID(guidService, SID_SMenuBandChild))
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{
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if (m_BandObject == NULL)
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return E_NOINTERFACE;
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return IUnknown_QueryService(m_BandObject, guidService, riid, ppvObject);
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}
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if (!m_DeskBarSite)
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return E_NOINTERFACE;
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return IUnknown_QueryService(m_DeskBarSite, guidService, riid, ppvObject);
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::Exec(const GUID * pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut)
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{
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// Forward Exec calls directly to the parent deskbar
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return IUnknown_Exec(m_DeskBarSite, *pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::QueryStatus(const GUID * pguidCmdGroup, ULONG cCmds, OLECMD prgCmds [], OLECMDTEXT *pCmdText)
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{
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// Forward QueryStatus calls directly to the parent deskbar
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return IUnknown_QueryStatus(m_DeskBarSite, *pguidCmdGroup, cCmds, prgCmds, pCmdText);
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::SetDeskBarSite(IUnknown *punkSite)
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{
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HRESULT hr;
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CComPtr<IUnknown> protectThis(this->ToIUnknown());
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// Only initialize if a parent site is being assigned
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if (punkSite)
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{
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HWND hWndSite;
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m_DeskBarSite = NULL;
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hr = IUnknown_GetWindow(punkSite, &hWndSite);
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if (FAILED(hr) || !hWndSite)
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return E_FAIL;
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if (!m_hWnd)
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{
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Create(hWndSite, NULL, L"MenuSite");
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}
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m_DeskBarSite = punkSite;
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}
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else
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{
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// Otherwise, deinitialize.
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if (m_DeskBand)
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{
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m_DeskBand->CloseDW(0);
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}
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hr = IUnknown_SetSite(m_BandObject, NULL);
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m_BandObject = NULL;
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m_DeskBand = NULL;
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m_WinEventHandler = NULL;
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m_hWndBand = NULL;
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if (m_hWnd)
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DestroyWindow();
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m_DeskBarSite = NULL;
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}
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::UIActivateDBC(DWORD dwState)
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{
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if (!m_DeskBand)
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return S_OK;
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return m_DeskBand->ShowDW(dwState != 0);
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::UIActivateIO(BOOL fActivate, LPMSG lpMsg)
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{
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if (lpMsg)
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return E_FAIL;
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return IUnknown_UIActivateIO(m_BandObject, fActivate, lpMsg);
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}
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BOOL CMenuSite::ProcessWindowMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT &lResult, DWORD mapId)
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{
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HWND hWndTarget = NULL;
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CComPtr<IUnknown> protectThis(this->ToIUnknown());
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switch (uMsg)
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{
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case WM_SIZE:
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if (m_BandObject)
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{
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CComPtr<IMenuPopup> pMenuPopup;
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if (SUCCEEDED(m_BandObject->QueryInterface(IID_PPV_ARG(IMenuPopup, &pMenuPopup))))
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{
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RECT Rect = { 0 };
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GetClientRect(&Rect);
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pMenuPopup->OnPosRectChangeDB(&Rect);
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}
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}
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hWndTarget = hWnd;
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lResult = 1;
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break;
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case WM_NOTIFY:
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hWndTarget = reinterpret_cast<LPNMHDR>(lParam)->hwndFrom;
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break;
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case WM_COMMAND:
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hWndTarget = (HWND) lParam;
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break;
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default:
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return FALSE;
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}
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if (hWndTarget && m_WinEventHandler &&
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m_WinEventHandler->IsWindowOwner(hWndTarget) == S_OK)
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{
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if (SUCCEEDED(m_WinEventHandler->OnWinEvent(hWndTarget, uMsg, wParam, lParam, &lResult)))
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return TRUE;
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}
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return FALSE;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::ContextSensitiveHelp(BOOL fEnterMode)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::GetBandSiteInfo(BANDSITEINFO *pbsinfo)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::RemoveBand(DWORD dwBandID)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::SetBandSiteInfo(const BANDSITEINFO *pbsinfo)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::SetBandState(DWORD dwBandID, DWORD dwMask, DWORD dwState)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::SetModeDBC(DWORD dwMode)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::TranslateAcceleratorIO(LPMSG lpMsg)
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{
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return S_FALSE;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::HasFocusIO()
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{
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return S_FALSE;
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}
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HRESULT STDMETHODCALLTYPE CMenuSite::OnFocusChangeIS(IUnknown *punkObj, BOOL fSetFocus)
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{
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return S_OK;
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}
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extern "C"
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HRESULT WINAPI RSHELL_CMenuSite_CreateInstance(REFIID riid, LPVOID *ppv)
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{
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return ShellObjectCreator<CMenuSite>(riid, ppv);
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}
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