313 lines
8.3 KiB
C++
313 lines
8.3 KiB
C++
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//==============================================================;
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//
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// This source code is only intended as a supplement to existing Microsoft documentation.
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//
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//
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//
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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//
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//
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//
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//==============================================================;
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#include "Comp.h"
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#include "DataObj.h"
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#include <commctrl.h> // Needed for button styles...
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#include <crtdbg.h>
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#include "globals.h"
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#include "resource.h"
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#include "DeleBase.h"
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#include "CompData.h"
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CComponent::CComponent(CComponentData *parent)
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: m_pComponentData(parent), m_cref(0), m_ipConsole(NULL)
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{
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OBJECT_CREATED
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m_ipDisplayHelp = NULL;
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m_ipControlBar = NULL;
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m_ipMenuButton = NULL;
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}
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CComponent::~CComponent()
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{
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OBJECT_DESTROYED
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}
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STDMETHODIMP CComponent::QueryInterface(REFIID riid, LPVOID *ppv)
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{
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if (!ppv)
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return E_FAIL;
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*ppv = NULL;
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if (IsEqualIID(riid, IID_IUnknown))
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*ppv = static_cast<IComponent *>(this);
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else if (IsEqualIID(riid, IID_IComponent))
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*ppv = static_cast<IComponent *>(this);
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else if (IsEqualIID(riid, IID_IExtendControlbar))
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*ppv = static_cast<IExtendControlbar *>(this);
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if (*ppv)
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{
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reinterpret_cast<IUnknown *>(*ppv)->AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) CComponent::AddRef()
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{
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return InterlockedIncrement((LONG *)&m_cref);
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}
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STDMETHODIMP_(ULONG) CComponent::Release()
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{
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if (InterlockedDecrement((LONG *)&m_cref) == 0)
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{
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delete this;
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return 0;
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}
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return m_cref;
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}
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///////////////////////////////
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// Interface IComponent
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///////////////////////////////
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STDMETHODIMP CComponent::Initialize(
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/* [in] */ LPCONSOLE lpConsole)
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{
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HRESULT hr = S_OK;
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// Save away all the interfaces we'll need.
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// Fail if we can't QI the required interfaces.
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m_ipConsole = lpConsole;
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m_ipConsole->AddRef();
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hr = m_ipConsole->QueryInterface(IID_IDisplayHelp, (void **)&m_ipDisplayHelp);
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return hr;
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}
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STDMETHODIMP CComponent::Notify(
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/* [in] */ LPDATAOBJECT lpDataObject,
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/* [in] */ MMC_NOTIFY_TYPE event,
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/* [in] */ LPARAM arg,
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/* [in] */ LPARAM param)
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{
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MMCN_Crack(FALSE, lpDataObject, NULL, this, event, arg, param);
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HRESULT hr = S_FALSE;
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//Get our data object. If it is NULL, we return with S_FALSE.
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//See implementation of GetOurDataObject() to see how to
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//handle special data objects.
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CDataObject *pDataObject = GetOurDataObject(lpDataObject);
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if (NULL == pDataObject)
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return S_FALSE;
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CDelegationBase *base = pDataObject->GetBaseNodeObject();
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switch (event) {
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case MMCN_ADD_IMAGES:
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hr = base->OnAddImages((IImageList *)arg, (HSCOPEITEM)param);
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break;
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case MMCN_SELECT:
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hr = base->OnSelect(m_ipConsole, (BOOL) LOWORD(arg), (BOOL) HIWORD(arg));
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break;
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case MMCN_SHOW:
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hr = base->OnShow(m_ipConsole, (BOOL)arg, (HSCOPEITEM)param);
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break;
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case MMCN_CONTEXTHELP:
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hr = base->OnShowContextHelp(m_ipDisplayHelp, m_pComponentData->m_HelpFile);
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break;
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}
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return hr;
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}
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STDMETHODIMP CComponent::Destroy(
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/* [in] */ MMC_COOKIE cookie)
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{
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if (m_ipConsole) {
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m_ipConsole->Release();
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m_ipConsole = NULL;
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}
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if (m_ipDisplayHelp) {
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m_ipDisplayHelp->Release();
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m_ipDisplayHelp = NULL;
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}
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if (m_ipControlBar) {
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m_ipControlBar->Release();
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m_ipControlBar = NULL;
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}
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if (m_ipMenuButton) {
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m_ipMenuButton->Release();
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m_ipMenuButton = NULL;
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}
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return S_OK;
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}
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STDMETHODIMP CComponent::QueryDataObject(
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/* [in] */ MMC_COOKIE cookie,
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/* [in] */ DATA_OBJECT_TYPES type,
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/* [out] */ LPDATAOBJECT __RPC_FAR *ppDataObject)
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{
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CDataObject *pObj = NULL;
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if (cookie == 0)
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pObj = new CDataObject((MMC_COOKIE)m_pComponentData->m_pStaticNode, type);
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else
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pObj = new CDataObject(cookie, type);
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if (!pObj)
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return E_OUTOFMEMORY;
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pObj->QueryInterface(IID_IDataObject, (void **)ppDataObject);
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return S_OK;
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}
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STDMETHODIMP CComponent::GetResultViewType(
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/* [in] */ MMC_COOKIE cookie,
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/* [out] */ LPOLESTR __RPC_FAR *ppViewType,
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/* [out] */ long __RPC_FAR *pViewOptions)
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{
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CDelegationBase *base = (CDelegationBase *)cookie;
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//
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// Ask for default listview.
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//
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if (base == NULL)
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{
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*pViewOptions = MMC_VIEW_OPTIONS_NONE;
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*ppViewType = NULL;
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}
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else
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return base->GetResultViewType(ppViewType, pViewOptions);
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return S_OK;
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}
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STDMETHODIMP CComponent::GetDisplayInfo(
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/* [out][in] */ RESULTDATAITEM __RPC_FAR *pResultDataItem)
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{
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HRESULT hr = S_OK;
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CDelegationBase *base = NULL;
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// if they are asking for the RDI_STR we have one of those to give
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if (pResultDataItem->lParam) {
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base = (CDelegationBase *)pResultDataItem->lParam;
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if (pResultDataItem->mask & RDI_STR) {
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LPCTSTR pszT = base->GetDisplayName(pResultDataItem->nCol);
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MAKE_WIDEPTR_FROMTSTR_ALLOC(pszW, pszT);
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pResultDataItem->str = pszW;
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}
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if (pResultDataItem->mask & RDI_IMAGE) {
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pResultDataItem->nImage = base->GetBitmapIndex();
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}
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}
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return hr;
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}
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STDMETHODIMP CComponent::CompareObjects(
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/* [in] */ LPDATAOBJECT lpDataObjectA,
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/* [in] */ LPDATAOBJECT lpDataObjectB)
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{
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CDelegationBase *baseA = GetOurDataObject(lpDataObjectA)->GetBaseNodeObject();
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CDelegationBase *baseB = GetOurDataObject(lpDataObjectB)->GetBaseNodeObject();
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// compare the object pointers
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if (baseA->GetCookie() == baseB->GetCookie())
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return S_OK;
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return S_FALSE;
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}
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///////////////////////////////
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// Interface IExtendControlBar
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///////////////////////////////
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HRESULT CComponent::SetControlbar(
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/* [in] */ LPCONTROLBAR pControlbar)
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{
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HRESULT hr = S_OK;
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//
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// Clean up
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//
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// if we've got a cached control bar, release it
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if (m_ipControlBar) {
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m_ipControlBar->Release();
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m_ipControlBar = NULL;
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}
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// if we've got a cached menubutton, release it
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if (m_ipMenuButton) {
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m_ipMenuButton->Release();
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m_ipMenuButton = NULL;
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}
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//
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// Install new pieces if necessary
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//
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// if a new one came in, cache and AddRef
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if (pControlbar) {
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m_ipControlBar = pControlbar;
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m_ipControlBar->AddRef();
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// add our menu button
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hr = m_ipControlBar->Create(MENUBUTTON, // type of control to be created
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dynamic_cast<IExtendControlbar *>(this),
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reinterpret_cast<IUnknown **>(&m_ipMenuButton));
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_ASSERT(SUCCEEDED(hr));
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m_ipMenuButton->AddRef();
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hr = m_ipMenuButton->AddButton(IDR_STATE_MENU, L"Vehicle &Status", L"Change vehicle state");
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_ASSERT(SUCCEEDED(hr));
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}
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return hr;
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}
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HRESULT CComponent::ControlbarNotify(
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/* [in] */ MMC_NOTIFY_TYPE event,
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/* [in] */ LPARAM arg,
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/* [in] */ LPARAM param)
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{
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HRESULT hr = S_OK;
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if (event == MMCN_SELECT) {
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CDelegationBase *base = GetOurDataObject(reinterpret_cast<IDataObject *>(param))->GetBaseNodeObject();
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hr = base->SetMenuState(m_ipControlBar, m_ipMenuButton, (BOOL) LOWORD(arg), (BOOL) HIWORD(arg));
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} else if (event == MMCN_MENU_BTNCLICK) {
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CDelegationBase *base = GetOurDataObject(reinterpret_cast<IDataObject *>(arg))->GetBaseNodeObject();
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hr = base->OnSetMenuButton(m_ipConsole, (MENUBUTTONDATA *)param);
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}
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return hr;
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}
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