Leaked source code of windows server 2003
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1996 - 1999
//
// File: treectrl.h
//
//--------------------------------------------------------------------------
// TreeCtrl.h : header file
//
/////////////////////////////////////////////////////////////////////////////
// CAMCTreeView window
#ifndef __TREECTRL_H__
#define __TREECTRL_H__
#include "fontlink.h"
#include "contree.h" // for CConsoleTree
#include "kbdnav.h" // for CKeyboardNavDelayTimer
#include "dd.h"
struct SDeleteNodeInfo
{
HTREEITEM htiToDelete;
HTREEITEM htiSelected;
BOOL fDeleteThis;
};
class CAMCTreeView;
class CTreeFontLinker : public CFontLinker
{
public:
CTreeFontLinker (CAMCTreeView* pTreeView) : m_pTreeView (pTreeView)
{ ASSERT (m_pTreeView != NULL); }
protected:
virtual std::wstring GetItemText (NMCUSTOMDRAW* pnmcd) const;
private:
CAMCTreeView* const m_pTreeView;
};
/*+-------------------------------------------------------------------------*
* class CTreeViewMap
*
*
* PURPOSE: Maintains a fast lookup for converting between tree items,
* HNODES and HMTNODES.
*
*+-------------------------------------------------------------------------*/
class CTreeViewMap : public CTreeViewObserver
{
// CTreeViewObserver methods
public:
virtual SC ScOnItemAdded (TVINSERTSTRUCT *pTVInsertStruct, HTREEITEM hti, HMTNODE hMTNode);
virtual SC ScOnItemDeleted (HNODE hNode, HTREEITEM hti);
// possible conversions
// 1) HMTNODE to HNODE - slow. This class adds a fast lookup.
// 2) HNODE to HTREEITEM - slow. This class adds a fast lookup.
// 3) HMTNODE to HTREEITEM - slow. This class adds a fast lookup.
// 4) HTREEITEM to HNODE - already fast. This class does not need to do this.
// 5) HTREEITEM to HMTNODE - already fast. This class does not need to do this.
// 6) HNODE to HMTNODE - already fast. This class does not need to do this.
// Fast lookup methods
SC ScGetHNodeFromHMTNode (HMTNODE hMTNode, /*out*/ HNODE* phNode); // fast conversion from hNode to hMTNode.
SC ScGetHTreeItemFromHNode (HNODE hNode, /*out*/ HTREEITEM* phti); // fast conversion from HTREEITEM to HNODE
SC ScGetHTreeItemFromHMTNode(HMTNODE hMTNode, /*out*/ HTREEITEM* phti); // fast conversion from HMTNode to HTREEITEM.
// implementation
private:
// This structure holds two pieces to the puzzle together:
typedef struct TreeViewMapInfo
{
HTREEITEM hti; // a tree item
HMTNODE hMTNode; // the corresponding HMTNODE
HNODE hNode; // the corresponding HNODE for the tree view control being observed.
} *PTREEVIEWMAPINFO;
typedef std::map<HNODE, PTREEVIEWMAPINFO> HNodeLookupMap;
typedef std::map<HMTNODE, PTREEVIEWMAPINFO> HMTNodeLookupMap;
HNodeLookupMap m_hNodeMap;
HMTNodeLookupMap m_hMTNodeMap;
};
/*+-------------------------------------------------------------------------*
* class CAMCTreeView
*
*
* PURPOSE: The scope pane tree control. Responsible for adding and removing
* items from the tree and also for sending events to
* tree observers.
*
*+-------------------------------------------------------------------------*/
class CAMCTreeView :
public CTreeView,
public CConsoleTree,
public CEventSource<CTreeViewObserver>,
public CMMCViewDropTarget
{
DECLARE_DYNCREATE (CAMCTreeView)
typedef CTreeView BC;
// Construction
public:
CAMCTreeView();
// Operations
public:
// Inserts a node into the tree control
void ResetNode(HTREEITEM hItem);
HTREEITEM InsertNode(HTREEITEM hParent, HNODE hNode,
HTREEITEM hInsertAfter = TVI_LAST);
// Sets the folder button(+/-) on or off
void SetButton(HTREEITEM hItem, BOOL bState);
// Worker function to expand hItem's hNode
BOOL ExpandNode(HTREEITEM hItem);
void DeleteScopeTree(void);
void CleanUp(void);
SC ScSelectNode(MTNODEID* pIDs, int length, bool bSelectExactNode = false); // Select the given node
HTREEITEM ExpandNode(MTNODEID* pIDs, int length, bool bExpand, bool bExpandVisually=true);
BOOL IsSelectedItemAStaticNode(void);
HRESULT AddSubFolders(HTREEITEM hti, LPRESULTDATA pResultData);
HRESULT AddSubFolders(MTNODEID* pIDs, int length);
CWnd * GetCtrlFromParent(HTREEITEM hti, LPCTSTR pszResultPane);
void GetCountOfChildren(HTREEITEM hItem, LONG* pcChildren);
void SetCountOfChildren(HTREEITEM hItem, int cChildren);
void DeleteNode(HTREEITEM hti, BOOL fDeleteThis);
IResultData* GetResultData() { ASSERT(m_spResultData != NULL); return m_spResultData; }
IFramePrivate* GetNodeManager() { ASSERT(m_spNodeManager != NULL); return m_spNodeManager; }
BOOL IsRootItemSel(void)
{
return (GetRootItem() == GetSelectedItem());
}
CTreeViewMap * GetTreeViewMap() {return &m_treeMap;} // returns the tree map for fast indexing.
HNODE GetItemNode (HTREEITEM hItem) const
{ return (NodeFromLParam (GetItemData (hItem))); }
static HNODE NodeFromLParam (LPARAM lParam)
{ return (reinterpret_cast<HNODE>(lParam)); }
static LPARAM LParamFromNode (HNODE hNode)
{ return (reinterpret_cast<LPARAM>(hNode)); }
public:
// CConsoleTree methods
virtual SC ScSetTempSelection (HTREEITEM htiSelected);
virtual SC ScRemoveTempSelection ();
virtual SC ScReselect ();
private:
bool IsTempSelectionActive() const { return (m_htiTempSelect != NULL); }
HTREEITEM GetTempSelectedItem() const { return (m_htiTempSelect); }
void SetTempSelectedItem(HTREEITEM htiTempSelect) { m_htiTempSelect = htiTempSelect; }
HTREEITEM m_htiTempSelect;
public:
#ifdef DBG
void DbgDisplayNodeName(HNODE hNode);
void DbgDisplayNodeName(HTREEITEM hti);
#endif
INodeCallback* GetNodeCallback();
// REVIEW: why are we caching this information here when it's already in CAMCView?
void SetHasList(BOOL bHasList) {m_bHasListCurrently = bHasList;}
BOOL HasList() const {return m_bHasListCurrently;}
protected:
SC ScGetTreeItemIconInfo(HNODE hNode, HICON *phIcon);
private:
BOOL m_bHasListCurrently;
public:
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAMCTreeView)
public:
virtual BOOL DestroyWindow();
protected:
virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
virtual BOOL OnCmdMsg( UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo );
virtual void OnActivateView(BOOL bActivate, CView* pActivateView, CView* pDeactiveView);
//}}AFX_VIRTUAL
// Implementation
public:
virtual SC ScDropOnTarget(bool bHitTestOnly, IDataObject * pDataObject, CPoint pt, bool& bCopyOperation);
virtual void RemoveDropTargetHiliting();
virtual ~CAMCTreeView();
CAMCView* GetAMCView()
{
if (m_pAMCView && ::IsWindow(*m_pAMCView))
return m_pAMCView;
return NULL;
}
friend class CNodeInitObject;
friend class CAMCView;
protected:
IFramePrivatePtr m_spNodeManager;
IScopeDataPrivatePtr m_spScopeData;
IHeaderCtrlPtr m_spHeaderCtrl;
IResultDataPrivatePtr m_spResultData;
IImageListPrivatePtr m_spRsltImageList;
BOOL m_fInCleanUp;
BOOL m_fInExpanding;
CAMCView* m_pAMCView;
CTreeViewMap m_treeMap; // fast indexing
HRESULT CreateNodeManager(void);
HTREEITEM GetClickedNode();
private:
inline IScopeTreeIter* GetScopeIterator();
inline IScopeTree* GetScopeTree();
void OnDeSelectNode(HNODE hNode);
void InitDefListView(LPUNKNOWN pUnkResultsPane);
HRESULT OnSelectNode(HTREEITEM hItem, HNODE hNode);
HTREEITEM FindNode(HTREEITEM hti, MTNODEID id);
HTREEITEM FindSiblingItem(HTREEITEM hti, MTNODEID id);
void _DeleteNode(SDeleteNodeInfo& dni);
void CollapseChildren (HTREEITEM htiParent);
void OnButtonUp();
CTreeFontLinker m_FontLinker;
/*
* this caches the text for the selected item, so we'll know whether
* to fire the ScOnSelectedItemTextChanged event to observers
*/
CString m_strSelectedItemText;
// Generated message map functions
protected:
//{{AFX_MSG(CAMCTreeView)
afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
afx_msg void OnSelChanged(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnSelChanging(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnGetDispInfo(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnItemExpanding(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnItemExpanded(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnDestroy();
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 int OnMouseActivate(CWnd* pDesktopWnd, UINT nHitTest, UINT message);
afx_msg void OnBeginDrag(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnBeginRDrag(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnSetFocus(CWnd* pOldWnd);
afx_msg void OnKillFocus(CWnd* pNewWnd);
//}}AFX_MSG
afx_msg void OnCustomDraw(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnSelChangedWorker(NM_TREEVIEW* pnmtv, LRESULT* pResult);
afx_msg void OnSelChangingWorker(NM_TREEVIEW* pnmtv, LRESULT* pResult);
DECLARE_MESSAGE_MAP()
private: // used for the keyboard timer
class CKeyboardNavDelay : public CKeyboardNavDelayTimer
{
typedef CKeyboardNavDelayTimer BaseClass;
public:
CKeyboardNavDelay(CAMCTreeView* pTreeView);
SC ScStartTimer(NMTREEVIEW* pnmtv);
virtual void OnTimer();
private:
CAMCTreeView* const m_pTreeView;
NMTREEVIEW m_nmtvSelChanged;
};
friend class CKeyboardNavDelay;
std::auto_ptr<CKeyboardNavDelay> m_spKbdNavDelay;
void SetNavigatingWithKeyboard (bool fKeyboardNav);
bool IsNavigatingWithKeyboard () const
{
return (m_spKbdNavDelay.get() != NULL);
}
public:
SC ScRenameScopeNode(HMTNODE hMTNode); // put the specified scope node into rename mode.
public:
CImageList* CreateDragImage(HTREEITEM hItem)
{
return GetTreeCtrl().CreateDragImage(hItem);
}
BOOL DeleteItem(HTREEITEM hItem)
{
return GetTreeCtrl().DeleteItem(hItem);
}
CEdit* EditLabel(HTREEITEM hItem)
{
return GetTreeCtrl().EditLabel(hItem);
}
BOOL EnsureVisible(HTREEITEM hItem)
{
return GetTreeCtrl().EnsureVisible(hItem);
}
BOOL Expand(HTREEITEM hItem, UINT nCode, bool bExpandVisually);
BOOL Expand(HTREEITEM hItem, UINT nCode)
{
return GetTreeCtrl().Expand(hItem, nCode);
}
HTREEITEM GetChildItem(HTREEITEM hItem) const
{
return GetTreeCtrl().GetChildItem(hItem);
}
HTREEITEM GetNextItem(HTREEITEM hItem, UINT nCode) const
{
return GetTreeCtrl().GetNextItem(hItem, nCode);
}
HTREEITEM GetNextSiblingItem(HTREEITEM hItem) const
{
return GetTreeCtrl().GetNextSiblingItem(hItem);
}
HTREEITEM GetParentItem(HTREEITEM hItem) const
{
return GetTreeCtrl().GetParentItem(hItem);
}
BOOL GetItem(TV_ITEM* pItem) const
{
return GetTreeCtrl().GetItem(pItem);
}
DWORD_PTR GetItemData(HTREEITEM hItem) const
{
return GetTreeCtrl().GetItemData(hItem);
}
BOOL GetItemRect(HTREEITEM hItem, LPRECT lpRect, BOOL bTextOnly) const
{
return GetTreeCtrl().GetItemRect(hItem, lpRect, bTextOnly);
}
HTREEITEM GetSelectedItem()
{
return GetTreeCtrl().GetSelectedItem();
}
HTREEITEM InsertItem(LPTV_INSERTSTRUCT lpInsertStruct)
{
return GetTreeCtrl().InsertItem(lpInsertStruct);
}
BOOL SetItemState(HTREEITEM hItem, UINT nState, UINT nStateMask)
{
return GetTreeCtrl().SetItemState(hItem, nState, nStateMask);
}
BOOL SetItem(TV_ITEM* pItem)
{
return GetTreeCtrl().SetItem(pItem);
}
HTREEITEM HitTest(CPoint pt, UINT* pFlags = NULL) const
{
return GetTreeCtrl().HitTest(pt, pFlags);
}
HTREEITEM HitTest(TV_HITTESTINFO* pHitTestInfo) const
{
return GetTreeCtrl().HitTest(pHitTestInfo);
}
BOOL SelectItem(HTREEITEM hItem)
{
return GetTreeCtrl().SelectItem(hItem);
}
HTREEITEM GetRootItem()
{
return GetTreeCtrl().GetRootItem();
}
};
#endif // __TREECTRL_H__