611 lines
14 KiB
C++
611 lines
14 KiB
C++
//////////////////////////////////////////////////////////////////////////
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//
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// container.cpp
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//
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// This file contains the complete implementation of an ActiveX
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// control container. This purpose of this container is to test
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// a single control being hosted.
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//
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// (C) Copyright 1997 by Microsoft Corporation. All rights reserved.
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//
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//////////////////////////////////////////////////////////////////////////
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#include <windows.h>
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#include <commctrl.h>
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#include "container.h"
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/**
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* This method is the constructor for the Container object.
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*/
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Container::Container()
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{
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m_cRefs = 1;
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m_hwnd = NULL;
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m_punk = NULL;
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memset(&m_rect, 0, sizeof(m_rect));
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}
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/**
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* This method is the destructor for the Container object.
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*/
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Container::~Container()
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{
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if (m_punk)
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{
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m_punk->Release();
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m_punk=NULL;
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}
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}
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/**
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* This method is called when the caller wants an interface pointer.
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*
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* @param riid The interface being requested.
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* @param ppvObject The resultant object pointer.
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*
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* @return HRESULT S_OK, E_POINTER, E_NOINTERFACE
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*/
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STDMETHODIMP Container::QueryInterface(REFIID riid, PVOID *ppvObject)
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{
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if (!ppvObject)
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return E_POINTER;
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if (IsEqualIID(riid, IID_IOleClientSite))
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*ppvObject = (IOleClientSite *)this;
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else if (IsEqualIID(riid, IID_IOleInPlaceSite))
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*ppvObject = (IOleInPlaceSite *)this;
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else if (IsEqualIID(riid, IID_IOleInPlaceFrame))
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*ppvObject = (IOleInPlaceFrame *)this;
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else if (IsEqualIID(riid, IID_IOleInPlaceUIWindow))
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*ppvObject = (IOleInPlaceUIWindow *)this;
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else if (IsEqualIID(riid, IID_IOleControlSite))
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*ppvObject = (IOleControlSite *)this;
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else if (IsEqualIID(riid, IID_IOleWindow))
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*ppvObject = this;
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else if (IsEqualIID(riid, IID_IDispatch))
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*ppvObject = (IDispatch *)this;
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else if (IsEqualIID(riid, IID_IUnknown))
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*ppvObject = this;
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else
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{
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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}
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/**
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* This method increments the current object count.
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*
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* @return ULONG The new reference count.
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*/
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ULONG Container::AddRef(void)
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{
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return ++m_cRefs;
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}
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/**
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* This method decrements the object count and deletes if necessary.
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*
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* @return ULONG Remaining ref count.
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*/
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ULONG Container::Release(void)
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{
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if (--m_cRefs)
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return m_cRefs;
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delete this;
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return 0;
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}
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// ***********************************************************************
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// IOleClientSite
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// ***********************************************************************
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HRESULT Container::SaveObject()
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{
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return E_NOTIMPL;
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}
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HRESULT Container::GetMoniker(DWORD dwAssign, DWORD dwWhichMoniker, LPMONIKER * ppMk)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::GetContainer(LPOLECONTAINER * ppContainer)
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{
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return E_NOINTERFACE;
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}
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HRESULT Container::ShowObject()
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{
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return S_OK;
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}
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HRESULT Container::OnShowWindow(BOOL fShow)
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{
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return S_OK;
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}
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HRESULT Container::RequestNewObjectLayout()
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{
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return E_NOTIMPL;
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}
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// ***********************************************************************
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// IOleWindow
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// ***********************************************************************
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HRESULT Container::GetWindow(HWND * lphwnd)
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{
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if (!IsWindow(m_hwnd))
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return S_FALSE;
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*lphwnd = m_hwnd;
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return S_OK;
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}
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HRESULT Container::ContextSensitiveHelp(BOOL fEnterMode)
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{
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return E_NOTIMPL;
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}
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// ***********************************************************************
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// IOleInPlaceSite
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// ***********************************************************************
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HRESULT Container::CanInPlaceActivate(void)
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{
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return S_OK;
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}
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HRESULT Container::OnInPlaceActivate(void)
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{
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return S_OK;
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}
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HRESULT Container::OnUIActivate(void)
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{
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return S_OK;
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}
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HRESULT Container::GetWindowContext (IOleInPlaceFrame ** ppFrame, IOleInPlaceUIWindow ** ppIIPUIWin,
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LPRECT lprcPosRect, LPRECT lprcClipRect, LPOLEINPLACEFRAMEINFO lpFrameInfo)
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{
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*ppFrame = (IOleInPlaceFrame *)this;
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*ppIIPUIWin = NULL;
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RECT rect;
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GetClientRect(m_hwnd, &rect);
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lprcPosRect->left = 0;
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lprcPosRect->top = 0;
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lprcPosRect->right = rect.right;
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lprcPosRect->bottom = rect.bottom;
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CopyRect(lprcClipRect, lprcPosRect);
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lpFrameInfo->cb = sizeof(OLEINPLACEFRAMEINFO);
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lpFrameInfo->fMDIApp = FALSE;
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lpFrameInfo->hwndFrame = m_hwnd;
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lpFrameInfo->haccel = 0;
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lpFrameInfo->cAccelEntries = 0;
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(*ppFrame)->AddRef();
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return S_OK;
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}
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HRESULT Container::Scroll(SIZE scrollExtent)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::OnUIDeactivate(BOOL fUndoable)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::OnInPlaceDeactivate(void)
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{
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return S_OK;
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}
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HRESULT Container::DiscardUndoState(void)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::DeactivateAndUndo(void)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::OnPosRectChange(LPCRECT lprcPosRect)
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{
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return S_OK;
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}
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// ***********************************************************************
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// IOleInPlaceUIWindow
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// ***********************************************************************
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HRESULT Container::GetBorder(LPRECT lprectBorder)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::RequestBorderSpace(LPCBORDERWIDTHS lpborderwidths)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::SetBorderSpace(LPCBORDERWIDTHS lpborderwidths)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::SetActiveObject(IOleInPlaceActiveObject * pActiveObject, LPCOLESTR lpszObjName)
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{
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return E_NOTIMPL;
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}
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// ***********************************************************************
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// IOleInPlaceFrame
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// ***********************************************************************
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HRESULT Container::InsertMenus(HMENU hmenuShared, LPOLEMENUGROUPWIDTHS lpMenuWidths)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::SetMenu(HMENU hmenuShared, HOLEMENU holemenu, HWND hwndActiveObject)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::RemoveMenus(HMENU hmenuShared)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::SetStatusText(LPCOLESTR pszStatusText)
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{
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char status[MAX_PATH]; // ansi version of status text
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if (NULL == pszStatusText)
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return E_POINTER;
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WideCharToMultiByte(CP_ACP, 0, pszStatusText, -1, status, MAX_PATH, NULL, NULL);
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if (IsWindow(m_hwndStatus))
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SendMessage(m_hwndStatus, SB_SETTEXT, (WPARAM)0, (LPARAM)status);
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return (S_OK);
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}
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HRESULT Container::EnableModeless(BOOL fEnable)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::TranslateAccelerator(LPMSG lpmsg, WORD wID)
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{
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return S_OK;
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}
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// ***********************************************************************
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// IOleControlSite
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// ***********************************************************************
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HRESULT Container::OnControlInfoChanged()
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{
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return E_NOTIMPL;
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}
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HRESULT Container::LockInPlaceActive(BOOL fLock)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::GetExtendedControl(IDispatch **ppDisp)
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{
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if (ppDisp == NULL)
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return E_INVALIDARG;
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*ppDisp = (IDispatch *)this;
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(*ppDisp)->AddRef();
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return S_OK;
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}
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HRESULT Container::TransformCoords(POINTL *pptlHimetric, POINTF *pptfContainer, DWORD dwFlags)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::TranslateAccelerator(LPMSG pMsg, DWORD grfModifiers)
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{
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return S_FALSE;
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}
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HRESULT Container::OnFocus(BOOL fGotFocus)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::ShowPropertyFrame(void)
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{
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return E_NOTIMPL;
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}
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// ***********************************************************************
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// IDispatch
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// ***********************************************************************
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HRESULT Container::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid)
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{
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*rgdispid = DISPID_UNKNOWN;
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return DISP_E_UNKNOWNNAME;
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}
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HRESULT Container::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::GetTypeInfoCount(unsigned int FAR * pctinfo)
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{
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return E_NOTIMPL;
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}
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HRESULT Container::Invoke(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr)
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{
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return DISP_E_MEMBERNOTFOUND;
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}
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// ***********************************************************************
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// Public (non-interface) Methods
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// ***********************************************************************
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/**
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* This method will add an ActiveX control to the container. Note, for
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* now, this container can only have one control.
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*
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* @param bstrClsid The CLSID or PROGID of the control.
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*
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* @return No return value.
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*/
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void Container::add(BSTR bstrClsid)
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{
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CLSID clsid; // CLSID of the control object
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HRESULT hr; // return code
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CLSIDFromString(bstrClsid, &clsid);
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CoCreateInstance(clsid,
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NULL,
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CLSCTX_INPROC_SERVER | CLSCTX_LOCAL_SERVER,
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IID_IUnknown,
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(PVOID *)&m_punk);
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if (!m_punk)
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return;
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IOleObject *pioo;
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hr = m_punk->QueryInterface(IID_IOleObject, (PVOID *)&pioo);
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if (FAILED(hr))
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return;
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pioo->SetClientSite(this);
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pioo->Release();
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IPersistStreamInit *ppsi;
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hr = m_punk->QueryInterface(IID_IPersistStreamInit, (PVOID *)&ppsi);
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if (SUCCEEDED(hr))
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{
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ppsi->InitNew();
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ppsi->Release();
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}
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}
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/**
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* This method will remove the control from the container.
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*
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* @return No return value.
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*/
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void Container::remove()
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{
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if (!m_punk)
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return;
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HRESULT hr;
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IOleObject *pioo;
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IOleInPlaceObject *pipo;
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hr = m_punk->QueryInterface(IID_IOleObject, (PVOID *)&pioo);
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if (SUCCEEDED(hr))
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{
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pioo->Close(OLECLOSE_NOSAVE);
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pioo->SetClientSite(NULL);
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pioo->Release();
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}
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hr = m_punk->QueryInterface(IID_IOleInPlaceObject, (PVOID *)&pipo);
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if (SUCCEEDED(hr))
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{
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pipo->UIDeactivate();
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pipo->InPlaceDeactivate();
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pipo->Release();
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}
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m_punk->Release();
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m_punk = NULL;
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}
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/**
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* This method sets the parent window. This is used by the container
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* so the control can parent itself.
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*
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* @param hwndParent The parent window handle.
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*
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* @return No return value.
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*/
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void Container::setParent(HWND hwndParent)
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{
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m_hwnd = hwndParent;
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}
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/**
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* This method will set the location of the control.
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*
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* @param x The top left.
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* @param y The top right.
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* @param width The width of the control.
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* @param height The height of the control.
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*/
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void Container::setLocation(int x, int y, int width, int height)
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{
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m_rect.left = x;
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m_rect.top = y;
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m_rect.right = width;
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m_rect.bottom = height;
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if (!m_punk)
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return;
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HRESULT hr;
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IOleInPlaceObject *pipo;
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hr = m_punk->QueryInterface(IID_IOleInPlaceObject, (PVOID *)&pipo);
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if (FAILED(hr))
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return;
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pipo->SetObjectRects(&m_rect, &m_rect);
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pipo->Release();
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}
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/**
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* Sets the visible state of the control.
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*
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* @param fVisible TRUE=visible, FALSE=hidden
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* @return No return value.
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*/
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void Container::setVisible(BOOL fVisible)
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{
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if (!m_punk)
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return;
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HRESULT hr;
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IOleObject *pioo;
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hr = m_punk->QueryInterface(IID_IOleObject, (PVOID *)&pioo);
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if (FAILED(hr))
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return;
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if (fVisible)
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{
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pioo->DoVerb(OLEIVERB_INPLACEACTIVATE, NULL, this, 0, m_hwnd, &m_rect);
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pioo->DoVerb(OLEIVERB_SHOW, NULL, this, 0, m_hwnd, &m_rect);
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}
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else
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pioo->DoVerb(OLEIVERB_HIDE, NULL, this, 0, m_hwnd, NULL);
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pioo->Release();
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}
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/**
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* This sets the focus to the control (a.k.a. UIActivate)
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*
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* @param fFocus TRUE=set, FALSE=remove
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*
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* @return No return value.
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*/
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void Container::setFocus(BOOL fFocus)
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{
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if (!m_punk)
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return;
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HRESULT hr;
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IOleObject *pioo;
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if (fFocus)
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{
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hr = m_punk->QueryInterface(IID_IOleObject, (PVOID *)&pioo);
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if (FAILED(hr))
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return;
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pioo->DoVerb(OLEIVERB_UIACTIVATE, NULL, this, 0, m_hwnd, &m_rect);
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pioo->Release();
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}
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}
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/**
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* If the container has an HWND for the status window (must be
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* common control), then this method is used to tell the container.
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*
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* @param hwndStatus Window handle of the status bar.
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*
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* @return No return value.
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*/
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void Container::setStatusWindow(HWND hwndStatus)
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{
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m_hwndStatus = hwndStatus;
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}
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/**
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* This method gives the control the opportunity to translate and use
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* key strokes.
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*
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* @param msg Key message.
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*
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* @return No return value.
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*/
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void Container::translateKey(MSG msg)
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{
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if (!m_punk)
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return;
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HRESULT hr;
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IOleInPlaceActiveObject *pao;
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hr = m_punk->QueryInterface(IID_IOleInPlaceActiveObject, (PVOID *)&pao);
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if (FAILED(hr))
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return;
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pao->TranslateAccelerator(&msg);
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pao->Release();
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}
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/**
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* Returns the IDispatch pointer of the contained control. Note, the
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* caller is responsible for calling IDispatch::Release().
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*
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* @return Controls dispatch interface.
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*/
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IDispatch * Container::getDispatch()
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{
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if (!m_punk)
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return NULL;
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HRESULT hr;
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IDispatch *pdisp;
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hr = m_punk->QueryInterface(IID_IDispatch, (PVOID *)&pdisp);
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return pdisp;
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}
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/**
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|
* Returns the IUnknown interface pointer for the containd control. Note,
|
|
* the caller is responsible for calling IUnknown::Release().
|
|
*
|
|
* @return Controls unknown interface.
|
|
*/
|
|
IUnknown * Container::getUnknown()
|
|
{
|
|
if (!m_punk)
|
|
return NULL;
|
|
|
|
m_punk->AddRef();
|
|
return m_punk;
|
|
} |