windows-xp/Source/XPSP1/NT/admin/activec/conui/cclvctl.h

//+-------------------------------------------------------------------------
//
//  Microsoft Windows
//
//  Copyright (C) Microsoft Corporation, 1999 - 1999
//
//  File:       cclvctl.h
//
//--------------------------------------------------------------------------

#ifndef _CCLVCTL_H_
#define _CCLVCTL_H_

// cclvctl.h : header file
//
#include <objbase.h>
#include <atlbase.h>
#include <atlcom.h>
#include "imagemap.h"
#include "ndmgr.h"
#include "fontlink.h"
#include "amcnav.h"
#include "dd.h"
#include "columninfo.h"

// Don't let macro override CWnd method
#undef SubclassWindow

class CAMCView;
class CCCListViewCtrl;
class CResultItem;

class CListFontLinker : public CFontLinker
{
public:
    CListFontLinker (CCCListViewCtrl* pListCtrl) : m_pListCtrl (pListCtrl)
        { ASSERT (m_pListCtrl != NULL); }

protected:
    virtual bool IsAnyItemLocalizable () const;
    virtual std::wstring GetItemText (NMCUSTOMDRAW* pnmcd) const;

private:
    CCCListViewCtrl* const m_pListCtrl;
};


class CSysColorImageList : public CImageList
{
public:
    CSysColorImageList (HINSTANCE hInst, UINT nID)
        :   m_hInst  (hInst),
            m_hRsrc  (::FindResource (m_hInst, MAKEINTRESOURCE (nID), RT_BITMAP))
    {
        CreateSysColorImageList();
    }

    void OnSysColorChange ()
    {
        DeleteImageList();
        CreateSysColorImageList();
    }

    operator HIMAGELIST() const
    {
        return (CImageList::operator HIMAGELIST());
    }

private:
    void CreateSysColorImageList ()
    {
        CBitmap bmp;
        bmp.Attach (AfxLoadSysColorBitmap (m_hInst, m_hRsrc));

        /*
         * get the dimensions of the bitmap
         */
        BITMAP bm;
        bmp.GetBitmap (&bm);

        /*
         * assume square images (cx == cy)
         */
        Create (bm.bmHeight, bm.bmHeight, ILC_COLORDDB, bm.bmWidth / bm.bmHeight, 2);
        Add (&bmp, CLR_NONE);
    }

    HINSTANCE   m_hInst;
    HRSRC       m_hRsrc;
};


class CAMCHeaderCtrl : public CHeaderCtrl
{
public:
	bool IsColumnHidden(int iCol);

protected:
    afx_msg void OnSetFocus(CWnd *pOldWnd);
	afx_msg BOOL OnSetCursor( CWnd* pWnd, UINT nHitTest, UINT message );

    DECLARE_MESSAGE_MAP()
};


class CFocusHandler
{
public:
    virtual void OnKeyboardFocus(UINT nState, UINT nStateMask) = 0;
};

/////////////////////////////////////////////////////////////////////////////
// CAMCListView

class CAMCListView :
    public CListView,
    public CAMCNavigator,
    public CFocusHandler,
    public CMMCViewDropTarget,
    public CEventSource<CListViewActivationObserver>
{
// Construction
public:
    CAMCListView() :
        m_bVirtual(false),
        m_iDropTarget(-1),
        m_pAMCView(NULL),
        m_bColumnsNeedToBeRestored(true),
        m_bColumnsBeingRestored(false)
    {
        DEBUG_INCREMENT_INSTANCE_COUNTER(CAMCListView);
	}
    ~CAMCListView()
    {
        if (m_header.m_hWnd)
            m_header.UnsubclassWindow();

        DEBUG_DECREMENT_INSTANCE_COUNTER(CAMCListView);
    }

// CFocusHandler implementation
    virtual void OnKeyboardFocus(UINT nState, UINT nStateMask);

// CAMCNavigator implementation
    virtual BOOL ChangePane(AMCNavDir eDir);
    virtual BOOL TakeFocus(AMCNavDir eDir);

    SC ScOnColumnsAttributeChanged(NMHEADER *pNMHeader, UINT code);

    // Setup header width/order/hiddenness from columninfolist data.
    SC ScRestoreColumnsFromPersistedData();

    SC ScGetColumnInfoList(CColumnInfoList *pColumnsList);
    SC ScModifyColumns(const CColumnInfoList& colInfoList);
    SC ScSaveColumnInfoList();
    SC ScGetDefaultColumnInfoList(CColumnInfoList& columnsList);

    SC ScResetColumnStatusData();

// Overrides
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CAMCListView)
    public:
    virtual void OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint);
    virtual BOOL OnCmdMsg( UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo );
    protected:
    virtual void OnActivateView(BOOL bActivate, CView* pActivateView, CView* pDeactiveView);
    virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
    //}}AFX_VIRTUAL

public:

    virtual SC ScDropOnTarget(bool bHitTestOnly, IDataObject * pDataObject, CPoint pt, bool& bCopyOperation);
    virtual void RemoveDropTargetHiliting();

    void SetVirtual()
    {
        m_bVirtual = true;
    }

    bool IsInLargeIconMode() const
    {
        return (GetMode() == LVS_ICON);
    }

    bool IsInSmallIconMode() const
    {
        return (GetMode() == LVS_SMALLICON);
    }

    bool IsInListMode() const
    {
        return (GetMode() == LVS_LIST);
    }

    bool IsInReportMode() const
    {
        return (GetMode() == LVS_REPORT);
    }

    bool IsInFilteredReportMode() const
    {
        if (!IsInReportMode())
            return (false);

        CWnd* pwndHeader = GetHeaderCtrl();
        if (pwndHeader == NULL)
            return (false);

        return (pwndHeader->GetStyle() & HDS_FILTERBAR);
    }

    DWORD SetExtendedListViewStyle (DWORD dwExStyle, DWORD dwExMask = 0)
    {
        return (SendMessage (LVM_SETEXTENDEDLISTVIEWSTYLE, dwExMask, dwExStyle));
    }

    CAMCView* GetAMCView() const
    {
        return (m_pAMCView);
    }

    CAMCHeaderCtrl* GetHeaderCtrl() const;

    bool AreColumnsNeedToBeRestored() const { return m_bColumnsNeedToBeRestored;}
    void SetColumnsNeedToBeRestored(bool b = false) {m_bColumnsNeedToBeRestored = b;}

    bool IsColumnHidden(int iCol) const;

protected:
    //{{AFX_MSG(CAMCListView)
    afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
    afx_msg void OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags);
    afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
    afx_msg void OnSysKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
    afx_msg void OnSysChar(UINT nChar, UINT nRepCnt, UINT nFlags);
    afx_msg void OnBeginDrag(NMHDR* pNMHDR, LRESULT* pResult);
    afx_msg void OnBeginRDrag(NMHDR* pNMHDR, LRESULT* pResult);
    afx_msg int OnMouseActivate(CWnd* pDesktopWnd, UINT nHitTest, UINT message);
    afx_msg void OnSetFocus(CWnd* pOldWnd);
    afx_msg void OnPaint();
    afx_msg void OnSize(UINT nType, int cx, int cy);
    afx_msg void OnBeginTrack(NMHDR * pNotifyStruct, LRESULT * result);
     //}}AFX_MSG

    afx_msg LRESULT OnColumnPersistedDataChanged (WPARAM, LPARAM);

    DECLARE_MESSAGE_MAP()

private:
    bool                    m_bVirtual;

    CAMCView*               m_pAMCView;
    mutable CAMCHeaderCtrl  m_header;           // mutable so GetHeaderCtrl can call CWnd::SubclassWindow
    int                     m_iDropTarget;
    CColumnInfoList         m_defaultColumnInfoList;


    INodeCallback* GetNodeCallback();
    HNODE GetScopePaneSelNode();
    void SelectDropTarget(int iDropTarget);
    bool ActivateSelf (bool fNotify = true);
    bool NeedsCustomPaint ();

    SC ScGetDropTarget(const CPoint& point, HNODE& hNode, bool& bScope, LPARAM& lvData, int& iDrop);

    DWORD GetMode () const
    {
        return (GetStyle() & LVS_TYPEMASK);
    }

private:
    // For columns
    static const UINT m_nColumnPersistedDataChangedMsg;

    // To allow hidden column width changes.
    bool              m_bColumnsBeingRestored;

    // We dont care if restore is success or failure.
    bool              m_bColumnsNeedToBeRestored;
};


/////////////////////////////////////////////////////////////////////////////
// CCCListViewCtrl window

class CCCListViewCtrl :
    public IMMCListView,
    public CComObjectRoot,
    public CEventSource<CListViewObserver>,
    public CTiedObject
{
// Construction
public:
    CCCListViewCtrl();
    virtual ~CCCListViewCtrl();

    // initialization
    SC ScInitialize();

BEGIN_COM_MAP(CCCListViewCtrl)
    COM_INTERFACE_ENTRY(IMMCListView)
END_COM_MAP()

typedef struct _SortParams
{
    BOOL                    bAscending;         // sort direction
    BOOL                    bLexicalSort;       // apply default sort to all items
    int                     nCol;               // Which column to sort on.
    COMPONENTID             OwnerID;
    void *                  lpListView;         // CCCListViewCtrl *
    IResultDataComparePtr   spResultCompare;    // Snap-in component interface
    IResultDataCompareExPtr spResultCompareEx;  //   "
    LPNODECALLBACK          lpNodeCallback;
    LPARAM                  lpUserParam;        // parameter user passes in
    HNODE                   hSelectedNode;      // Currently selected node in scope pane.
} SortParams;


//DECLARE_AGGREGATABLE(CCCListViewCtrl)
//DECLARE_REGISTRY(CNodeInitObject, _T("NODEMGR.NodeInitObject.1"), _T("NODEMGR.NodeInitObject.1"), IDS_NODEINIT_DESC, THREADFLAGS_BOTH)

// Operations
public:
    #ifdef IMPLEMENT_LIST_SAVE        // See nodemgr.idl (t-dmarm)
    long GetColCount()  const                { return m_colCount; }
    long GetItemCount() const                { return m_itemCount; }
    #endif

    CAMCListView*   GetListViewPtr() const   { return m_pListView; }
    CListCtrl&      GetListCtrl()    const   { return m_pListView->GetListCtrl(); }
    CAMCHeaderCtrl* GetHeaderCtrl()  const   { return m_pListView->GetHeaderCtrl(); }

    bool AreColumnsNeedToBeRestored() const { return m_pListView->AreColumnsNeedToBeRestored();}
    void SetColumnsNeedToBeRestored(bool b = true) {m_pListView->SetColumnsNeedToBeRestored(b);}

    bool IsColumnHidden(int iCol) const {return m_pListView->IsColumnHidden(iCol);}

    SC  ScGetAMCView(CAMCView **ppAMCView);

    HWND GetListViewHWND() const             { return m_pListView->GetSafeHwnd(); }

    BOOL IsVirtual() const { return m_bVirtual; }
    BOOL Create( DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext=NULL);

    SC   ScAttachToListPad (HWND hwnd, HWND* phwnd);  // NULL hwnd == detach
    BOOL    IsListPad () const { return m_SavedHWND != NULL; }

    LRESULT OnCustomDraw (NMLVCUSTOMDRAW* plvcd);
    void OnSysColorChange();

    // IMMCListView Methods
    STDMETHOD(GetListStyle)       ();
    STDMETHOD(SetListStyle)       (long nNewValue);
    STDMETHOD(GetViewMode)        ();
    STDMETHOD(SetViewMode)        (long nViewMode);
    STDMETHOD(InsertItem)         (LPOLESTR str, long iconNdx, LPARAM lParam, long state, COMPONENTID ownerID, long itemIndex, CResultItem*& pri);
    STDMETHOD(DeleteItem)         (HRESULTITEM itemID, long nCol);
    STDMETHOD(FindItemByLParam)   (COMPONENTID ownerID, LPARAM lParam, CResultItem*& pri);
    STDMETHOD(InsertColumn)       (int nCol, LPCOLESTR str, long nFormat, long width);
    STDMETHOD(DeleteColumn)       (int nCol);
    STDMETHOD(DeleteAllItems)     (COMPONENTID ownerID);
    STDMETHOD(SetColumn)          (long nCol, LPCOLESTR str, long nFormat, long width);
    STDMETHOD(GetColumn)          (long nCol, LPOLESTR* str, LPLONG nFormat, int FAR* width);
    STDMETHOD(GetColumnCount)     (int* pnColCnt);
    STDMETHOD(SetItem)            (int nIndex, CResultItem*  pri, long nCol, LPOLESTR str, long nImage, LPARAM lParam, long nState, COMPONENTID ownerID);
    STDMETHOD(GetItem)            (int nIndex, CResultItem*& pri, long nCol, LPOLESTR* str, int FAR *nImage, LPARAM* lParam, unsigned int FAR *nState, BOOL* pbScopeItem);
    STDMETHOD(GetNextItem)        (COMPONENTID ownerID, long nIndex, UINT nState, CResultItem*& pri, long& nIndexNextItem);
    STDMETHOD(GetLParam)          (long nItem, CResultItem*& pri);
    STDMETHOD(ModifyItemState)    (long nItem, CResultItem* pri, UINT add, UINT remove);
    STDMETHOD(SetIcon)            (long nID, HICON hIcon, long nLoc);
    STDMETHOD(SetImageStrip)      (long nID, HBITMAP hbmSmall, HBITMAP hbmLarge, long nStartLoc, long cMask);
    STDMETHOD(MapImage)           (COMPONENTID nID, long nLoc, int far *pResult);
    STDMETHOD(Reset)              ();
    STDMETHOD(Arrange)            (long style);
    STDMETHOD(UpdateItem)         (HRESULTITEM itemID);
    STDMETHOD(Sort)               (LPARAM lUserParam, long* lpParams);
    STDMETHOD(SetItemCount)       (int nItemCount, DWORD dwOptions);
    STDMETHOD(SetVirtualMode)     (BOOL bVirtual);
    STDMETHOD(Repaint)            (BOOL bErase);
    STDMETHOD(SetChangeTimeOut)   (ULONG lTimeout);
    STDMETHOD(SetColumnFilter)    (int nCol, DWORD dwType, MMC_FILTERDATA* pFilterData);
    STDMETHOD(GetColumnFilter)    (int nCol, DWORD* dwType, MMC_FILTERDATA* pFilterData);
    STDMETHOD(SetColumnSortIcon)  (int nNewCol, int nOldCol, BOOL bAscending, BOOL bSetSortIcon);
    STDMETHOD(SetLoadMode)        (BOOL bState);
    STDMETHOD(GetColumnInfoList)  (CColumnInfoList *pColumnsList);
    STDMETHOD(ModifyColumns)      (const CColumnInfoList& columnsList);
    STDMETHOD(RenameItem)         (HRESULTITEM itemID);
    STDMETHOD(GetDefaultColumnInfoList)( CColumnInfoList& columnsList);


    STDMETHOD(OnModifyItem)(CResultItem* pri);

    void CutSelectedItems(BOOL b);
    bool UseFontLinking() const;

    UINT GetSelectedCount()
        { return (GetListCtrl().GetSelectedCount()); }

    // these methods implement access to enumerations for AMCView
    SC Scget_ListItems( PPNODES ppNodes );
    SC Scget_SelectedItems( PPNODES ppNodes);
    SC ScSelect( PNODE pNode);
    SC ScDeselect( PNODE pNode);
    SC ScIsSelected( PNODE pNode, PBOOL pIsSelected);
    SC ScSelectAll();

    // method used from Nodes collections
    SC ScValidateItem( int  iItem, bool &bScopeNode );

    // method transfering requests from Nodes to AMCView (for scope nodes only)
    SC ScGetScopeNodeForItem ( int  iItem, PPNODE ppNode );

    // Columns access methods
    SC Scget_Columns( PPCOLUMNS Columns );
    SC ScItem( long Index, PPCOLUMN ppColumn );
    SC Scget_Count( PLONG pCount );
    SC ScEnumNext(int &pos, PDISPATCH & pDispatch); // should return the next element.
    SC ScEnumSkip(unsigned long celt, unsigned long& celtSkipped, int &pos);
    SC ScEnumReset(int &pos);
    // methods called from Column instances
    SC ScName( /*[out, retval]*/ BSTR *Name, int iColIndex );
    SC Scget_Width( /*[out, retval]*/ PLONG Width, int iColIndex );
    SC Scput_Width( /*[in]*/ long Width, int iColIndex );
    SC Scget_DisplayPosition( /*[out, retval]*/ PLONG DisplayPosition, int iColIndex );
    SC Scput_DisplayPosition( /*[in]*/ long Index, int iColIndex );
    SC Scget_Hidden( /*[out, retval]*/ PBOOL Hidden, int iColIndex );
    SC Scput_Hidden( /*[in]*/ BOOL Hidden , int iColIndex );
    SC ScSetAsSortColumn( /*[in]*/ ColumnSortOrder SortOrder, int iColIndex );
    SC ScIsSortColumn( PBOOL IsSortColumn, int iColIndex );
    // Column/Columns implementation helpers
    struct ColumnData
    {
        int     iColumnWidth;
        int     iColumnOrder;
        bool    bIsHidden;
        // initialization
        void Init()  { iColumnWidth = 0; iColumnOrder = -1; bIsHidden = false; }
        ColumnData() { Init(); }
        // comparison
        bool operator == (const ColumnData& other) const
                     { return ( 0 == memcmp(this, &other, sizeof(ColumnData)) ); }
    };
    SC ScGetColumnData( int iZeroBasedColIndex, ColumnData *pColData );
    SC ScSetColumnData( int iZeroBasedColIndex, const ColumnData& ColData );

    SC ScFindResultItem ( PNODE pNode, int &iItem );

private:
    // helper methods
    SC ScGetNodesEnum   ( bool bSelectedItemsOnly, PPNODES ppNodes );
    SC ScAllocResultItem  ( CResultItem*& pResultItem, COMPONENTID id, LPARAM lSnapinData, int nImage);
    SC ScFreeResultItem   ( CResultItem* pResultItem);

    SC ScRedrawItem       (int nIndex);
    SC ScGetItemIndexFromHRESULTITEM(const HRESULTITEM& itemID, int& nIndex);

    SC ScRedrawHeader(bool bRedraw);

protected:
    CAMCListView* m_pListView;       // current list (points to m_StandardList or m_VirtualList)
    CAMCListView* m_pStandardList;
    CAMCListView* m_pVirtualList;

    HWND m_SavedHWND;
    WINDOWPLACEMENT m_wp;

    CWnd*         m_pParentWnd;

    //void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
    //void OnSysKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);

    long m_itemCount;      // internal item counter
    long m_nScopeItems; // scope item count
    long m_colCount;       // internal column counter

    // ImageList members
    CImageList      m_smallIL;
    CImageList      m_largeIL;
    CImageIndexMap  m_resultIM;

    // Header Sorting (Up/Down arrow) Icons.
    CSysColorImageList  m_headerIL;

    // Sorting members
    SortParams  m_sortParams;
    static int CALLBACK SortCompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM pSortParams);
    static int SnapinCompare(SortParams* pSortParams, CResultItem* pri1, CResultItem* pri2);
    static int SnapinCompareEx(SortParams* pSortParams, CResultItem* pri1, CResultItem* pri2);
    static int CALLBACK DefaultCompare(LPARAM lParam1, LPARAM lParam2, LPARAM pSortParams);

private:
    CListFontLinker    m_FontLinker;
    NodesPtr           m_spAllNodes;
    NodesPtr           m_spSelNodes;
    ColumnsPtr         m_spColumns;

    BOOL m_bVirtual;
    BOOL m_bFiltered;           // filtering on now
    BOOL m_bEnsureFocusVisible; // force focused item to be visible
    BOOL m_bLoading;
    BOOL m_bDeferredSort;

    void SetFilterHeader(void);
    SC ScSetImageLists ();
    int ResultItemToIndex (CResultItem* pri) const;
    CResultItem* IndexToResultItem (int nItem);
};


////////////////////////////////////////////////////////////////////////////
// CQFilterDll
//
// This class dynamically loads and initializes the quickfilter DLL.
// A single instance of the class should be declared at the global level.
//
class CQFilterDll
{
public:
    CQFilterDll()
    {
        m_hModule = LoadLibrary(_T("qfctrl.dll"));

        if (m_hModule != NULL)
        {
            void (*pfnInitQuickFilter)();
            pfnInitQuickFilter = (void (*)())GetProcAddress(m_hModule, "InitQuickFilter");

            if (pfnInitQuickFilter != NULL)
                (*pfnInitQuickFilter)();
        }
    }

    CQFilterDll::~CQFilterDll()
    {
        if (m_hModule != NULL)
            FreeLibrary(m_hModule);
    }

private:
    HMODULE m_hModule;
};



/*+-------------------------------------------------------------------------*
 * CHiddenColumnInfo
 *
 * Contains information about a hidden column in report view: a flag
 * indicating it's hidden and its width when it's not hidden.
 *
 * This class is stored in HDITEM.lParam for hidden columns, so it *must*
 * be the same size as an LPARAM.
 *--------------------------------------------------------------------------*/

class CHiddenColumnInfo
{
public:
	CHiddenColumnInfo (LPARAM lParam_) : lParam (lParam_)
	{
		COMPILETIME_ASSERT (sizeof(CHiddenColumnInfo) == sizeof(LPARAM));
	}

	CHiddenColumnInfo (int cx_, bool fHidden_) : cx (cx_), fHidden (fHidden_)
	{
		COMPILETIME_ASSERT (sizeof(CHiddenColumnInfo) == sizeof(LPARAM));
	}

	union
	{
		LPARAM	lParam;
		struct
		{
			int	cx      : 16;
			int	fHidden : 1;
		};
	};
};


#endif _CCLVCTL_H_