149 lines
4.1 KiB
C++
149 lines
4.1 KiB
C++
// LiteControl.h : Declaration of the CLiteControl
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#ifndef __LITECONTROL_H_
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#define __LITECONTROL_H_
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#include "resource.h" // main symbols
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#include <atlctl.h>
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/////////////////////////////////////////////////////////////////////////////
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// CLiteControl
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class ATL_NO_VTABLE CLiteControl :
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public CComObjectRootEx<CComSingleThreadModel>,
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public IDispatchImpl<ILiteControl, &IID_ILiteControl, &LIBID_TaskAppLib>,
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public CComControl<CLiteControl>,
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public IPersistStreamInitImpl<CLiteControl>,
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public IOleControlImpl<CLiteControl>,
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public IOleObjectImpl<CLiteControl>,
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public IOleInPlaceActiveObjectImpl<CLiteControl>,
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public IViewObjectExImpl<CLiteControl>,
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public IOleInPlaceObjectWindowlessImpl<CLiteControl>,
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public CComCoClass<CLiteControl, &CLSID_LiteControl>
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{
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public:
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CLiteControl() : m_pTaskFrame(NULL), m_clsidDestPage(GUID_NULL), m_strText(L"<empty>")
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{
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m_sizePreferred = m_sizeExtent;
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}
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~CLiteControl() { ATOMICRELEASE(m_pTaskFrame); }
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HRESULT SetFrame(ITaskFrame* pFrame)
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{
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ATOMICRELEASE(m_pTaskFrame);
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m_pTaskFrame = pFrame;
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if (m_pTaskFrame)
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m_pTaskFrame->AddRef();
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return S_OK;
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}
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HRESULT SetDestinationPage(REFCLSID rclsidPage)
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{
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m_clsidDestPage = rclsidPage;
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return S_OK;
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}
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HRESULT SetText(LPCWSTR pszText)
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{
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m_strText = pszText;
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return S_OK;
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}
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HRESULT SetMaxExtent(LONG cxWidth, LONG cxHeight)
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{
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if (0 == cxWidth)
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cxWidth = 2540; // 1 inch
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if (0 == cxHeight)
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cxHeight = 2540; // 1 inch
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m_sizePreferred.cx = cxWidth;
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m_sizePreferred.cy = cxHeight;
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return S_OK;
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}
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STDMETHOD(GetExtent)(DWORD /*dwDrawAspect*/, SIZEL *psizel)
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{
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if (psizel == NULL)
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return E_POINTER;
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*psizel = m_sizePreferred;
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return S_OK;
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}
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DECLARE_NOT_AGGREGATABLE(CLiteControl)
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//DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CLiteControl)
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COM_INTERFACE_ENTRY(ILiteControl)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(IViewObjectEx)
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COM_INTERFACE_ENTRY(IViewObject2)
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COM_INTERFACE_ENTRY(IViewObject)
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COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
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COM_INTERFACE_ENTRY(IOleInPlaceObject)
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COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
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COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
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COM_INTERFACE_ENTRY(IOleControl)
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COM_INTERFACE_ENTRY(IOleObject)
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COM_INTERFACE_ENTRY(IPersistStreamInit)
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COM_INTERFACE_ENTRY2(IPersist, IPersistStreamInit)
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END_COM_MAP()
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BEGIN_PROP_MAP(CLiteControl)
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PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
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PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
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// Example entries
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// PROP_ENTRY("Property Description", dispid, clsid)
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// PROP_PAGE(CLSID_StockColorPage)
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END_PROP_MAP()
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BEGIN_MSG_MAP(CLiteControl)
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CHAIN_MSG_MAP(CComControl<CLiteControl>)
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DEFAULT_REFLECTION_HANDLER()
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MESSAGE_HANDLER(WM_LBUTTONUP, OnButtonUP)
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MESSAGE_HANDLER(WM_RBUTTONUP, OnButtonUP)
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END_MSG_MAP()
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// Handler prototypes:
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// LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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// LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
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// LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);
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// IViewObjectEx
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DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)
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// ILiteControl
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public:
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HRESULT OnDraw(ATL_DRAWINFO& di)
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{
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RECT& rc = *(RECT*)di.prcBounds;
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Rectangle(di.hdcDraw, rc.left, rc.top, rc.right, rc.bottom);
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LPCWSTR pszText = m_strText ? m_strText : L"<empty>";
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SetTextAlign(di.hdcDraw, TA_CENTER|TA_BASELINE);
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TextOutW(di.hdcDraw,
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(rc.left + rc.right) / 2,
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(rc.top + rc.bottom) / 2,
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pszText,
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lstrlen(pszText));
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return S_OK;
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}
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private:
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ITaskFrame* m_pTaskFrame;
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CLSID m_clsidDestPage;
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CComBSTR m_strText;
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SIZEL m_sizePreferred;
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LRESULT OnButtonUP(UINT uMsg, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
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{
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if (NULL != m_pTaskFrame)
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m_pTaskFrame->ShowPage(m_clsidDestPage, WM_RBUTTONUP == uMsg);
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return 0;
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}
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};
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#endif //__LITECONTROL_H_
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