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windows-nt/Source/XPSP1/NT/shell/shdocvw/nsc.h

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2020-09-26 03:20:57 -05:00
#ifndef _NSC_C
#define _NSC_C
#include "droptgt.h"
#include "iface.h"
#include "dpastuff.h"
#include "cwndproc.h"
#include "resource.h"
#include "inetnot.h"
#include "cowsite.h"
#include <shlobj.h>
#include <cfdefs.h> // LPCOBJECTINFO
#define ID_CONTROL 100
#define ID_HEADER 101
typedef enum
{
NSIF_HITEM = 0x0001,
NSIF_FOLDER = 0x0002,
NSIF_PARENTFOLDER = 0x0004,
NSIF_IDLIST = 0x0008,
NSIF_FULLIDLIST = 0x0010,
NSIF_ATTRIBUTES = 0x0020
} NSI_FLAGS;
typedef enum
{
NSSR_ENUMBELOWROOT = 0x0001,
NSSR_CREATEPIDL = 0x0002
} NSSR_FLAGS;
typedef struct
{
PORDERITEM poi;
DWORD dwSig; // Signature of the item, so we can find it back after async processing
BITBOOL fPinned:1; // is this url pinned in the cache?
BITBOOL fGreyed:1; // draw the item greyed (if offline & not in cache)
BITBOOL fFetched:1; // have we fetched the pinned/greyed state?
BITBOOL fDontRefetch:1; // can't be cached by wininet
BOOL fNavigable:1; // item can be navigated to
} ITEMINFO;
typedef struct
{
const SHCOLUMNID *pscid;
int iFldrCol; // index for this column in GetDetailsOf
TCHAR szName[MAX_COLUMN_NAME_LEN];
DWORD fmt;
int cxChar;
} HEADERINFO;
// Forward decls
struct NSC_BKGDENUMDONEDATA;
// _FrameTrack flags
#define TRACKHOT 0x0001
#define TRACKEXPAND 0x0002
#define TRACKNOCHILD 0x0004
// _DrawItem flags
#define DIICON 0x0001
#define DIRTLREADING 0x0002
#define DIHOT 0x0004
#define DIFIRST 0x0020
#define DISUBITEM 0x0040
#define DILAST 0x0080
#define DISUBLAST (DISUBITEM | DILAST)
#define DIACTIVEBORDER 0x0100
#define DISUBFIRST (DISUBITEM | DIFIRST)
#define DIPINNED 0x0400 // overlay pinned glyph
#define DIGREYED 0x0800 // draw greyed
#define DIFOLDEROPEN 0x1000
#define DIFOLDER 0x2000 //item is a folder
#define DIFOCUSRECT 0x4000
#define DIRIGHT 0x8000 //right aligned
#define NSC_TVIS_MARKED 0x1000
// async icon/url extract flags
#define NSCICON_GREYED 0x0001
#define NSCICON_PINNED 0x0002
#define NSCICON_DONTREFETCH 0x0004
#define WM_NSCUPDATEICONINFO WM_USER + 0x700
#define WM_NSCBACKGROUNDENUMDONE WM_USER + 0x701
#define WM_NSCUPDATEICONOVERLAY WM_USER + 0x702
HRESULT GetNavTargetName(IShellFolder* pFolder, LPCITEMIDLIST pidl, LPTSTR pszUrl, UINT cMaxChars);
BOOL MayBeUnavailableOffline(LPTSTR pszUrl);
INSCTree2 * CNscTree_CreateInstance(void);
STDAPI CNscTree_CreateInstance(IUnknown * punkOuter, IUnknown ** ppunk, LPCOBJECTINFO poi);
BOOL IsExpandableChannelFolder(IShellFolder *psf, LPCITEMIDLIST pidl);
// class wrapper for tree control component of nscband.
class ATL_NO_VTABLE CNscTree :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public CComCoClass<CNscTree, &CLSID_ShellNameSpace>,
public CComControl<CNscTree>,
public IDispatchImpl<IShellNameSpace, &IID_IShellNameSpace, &LIBID_SHDocVw, 1, 0, CComTypeInfoHolder>,
public IProvideClassInfo2Impl<&CLSID_ShellNameSpace, &DIID_DShellNameSpaceEvents, &LIBID_SHDocVw, 1, 0, CComTypeInfoHolder>,
public IPersistStreamInitImpl<CNscTree>,
public IPersistPropertyBagImpl<CNscTree>,
public IQuickActivateImpl<CNscTree>,
public IOleControlImpl<CNscTree>,
public IOleObjectImpl<CNscTree>,
public IOleInPlaceActiveObjectImpl<CNscTree>,
public IViewObjectExImpl<CNscTree>,
public IOleInPlaceObjectWindowlessImpl<CNscTree>,
public ISpecifyPropertyPagesImpl<CNscTree>,
public IConnectionPointImpl<CNscTree, &DIID_DShellNameSpaceEvents, CComDynamicUnkArray>,
public IConnectionPointContainerImpl<CNscTree>,
public IShellChangeNotify,
public CDelegateDropTarget,
public CNotifySubclassWndProc,
public CObjectWithSite,
public INSCTree2,
public IWinEventHandler,
public IShellBrowser,
public IFolderFilterSite
{
public:
DECLARE_WND_CLASS(TEXT("NamespaceOC Window"))
DECLARE_NO_REGISTRY();
BEGIN_COM_MAP(CNscTree)
COM_INTERFACE_ENTRY(IShellNameSpace)
COM_INTERFACE_ENTRY(IDispatch)
COM_INTERFACE_ENTRY_IMPL(IViewObjectEx)
COM_INTERFACE_ENTRY_IMPL_IID(IID_IViewObject2, IViewObjectEx)
COM_INTERFACE_ENTRY_IMPL_IID(IID_IViewObject, IViewObjectEx)
COM_INTERFACE_ENTRY_IMPL(IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY_IMPL_IID(IID_IOleInPlaceObject, IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY_IMPL_IID(IID_IOleWindow, IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY_IMPL(IOleInPlaceActiveObject)
COM_INTERFACE_ENTRY_IMPL(IOleControl)
COM_INTERFACE_ENTRY_IMPL(IOleObject)
COM_INTERFACE_ENTRY_IMPL(IQuickActivate)
COM_INTERFACE_ENTRY_IMPL(IPersistStreamInit)
COM_INTERFACE_ENTRY_IMPL(ISpecifyPropertyPages)
COM_INTERFACE_ENTRY(IProvideClassInfo)
COM_INTERFACE_ENTRY(IProvideClassInfo2)
COM_INTERFACE_ENTRY_IMPL(IConnectionPointContainer)
COM_INTERFACE_ENTRY_IMPL(IPersistPropertyBag)
COM_INTERFACE_ENTRY(IShellChangeNotify) // IID_IShellChangeNotify
COM_INTERFACE_ENTRY(INSCTree) // IID_INSCTree
COM_INTERFACE_ENTRY(INSCTree2) // IID_INSCTree2
COM_INTERFACE_ENTRY(IShellFavoritesNameSpace) // IID_IShellFavoritesNameSpace
COM_INTERFACE_ENTRY(IShellNameSpace) // IID_IShellNameSpace
COM_INTERFACE_ENTRY(IWinEventHandler) // IID_IWinEventHandler
COM_INTERFACE_ENTRY(IDropTarget) // IID_IDropTarget
COM_INTERFACE_ENTRY(IObjectWithSite) // IID_IObjectWithSite
COM_INTERFACE_ENTRY(IShellBrowser) // IID_IShellBrowser
COM_INTERFACE_ENTRY(IFolderFilterSite) // IID_IFolderFilterSite
END_COM_MAP()
BEGIN_PROPERTY_MAP(CNscTree)
PROP_ENTRY("Root", DISPID_ROOT, CLSID_NULL)
PROP_ENTRY("EnumOptions", DISPID_ENUMOPTIONS, CLSID_NULL)
PROP_ENTRY("Flags", DISPID_FLAGS, CLSID_NULL)
PROP_ENTRY("Depth", DISPID_DEPTH, CLSID_NULL)
PROP_ENTRY("Mode", DISPID_MODE, CLSID_NULL)
PROP_ENTRY("TVFlags", DISPID_TVFLAGS, CLSID_NULL)
PROP_ENTRY("Columns", DISPID_NSCOLUMNS, CLSID_NULL)
END_PROPERTY_MAP()
BEGIN_MSG_MAP(CNscTree)
MESSAGE_HANDLER(WM_NOTIFY, OnNotify)
MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
MESSAGE_HANDLER(WM_KILLFOCUS, OnKillFocus)
MESSAGE_HANDLER(WM_MOUSEACTIVATE, OnMouseActivate)
MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
MESSAGE_HANDLER(CWM_GETISHELLBROWSER, OnGetIShellBrowser)
END_MSG_MAP()
BEGIN_CONNECTION_POINT_MAP(CNscTree)
CONNECTION_POINT_ENTRY(DIID_DShellNameSpaceEvents)
END_CONNECTION_POINT_MAP()
// IObjectWithSite
STDMETHODIMP SetSite(IUnknown *punkSite);
// INSCTree
STDMETHODIMP CreateTree(HWND hwndParent, DWORD dwStyles, HWND *phwnd); // create window of tree view.
STDMETHODIMP Initialize(LPCITEMIDLIST pidlRoot, DWORD grfFlags, DWORD dwFlags); // init the treeview control with data.
STDMETHODIMP ShowWindow(BOOL fShow);
STDMETHODIMP Refresh(void);
STDMETHODIMP GetSelectedItem(LPITEMIDLIST * ppidl, int nItem);
STDMETHODIMP SetSelectedItem(LPCITEMIDLIST pidl, BOOL fCreate, BOOL fReinsert, int nItem);
STDMETHODIMP GetNscMode(UINT * pnMode) { *pnMode = _mode; return S_OK;};
STDMETHODIMP SetNscMode(UINT nMode) { _mode = nMode; return S_OK;};
STDMETHODIMP GetSelectedItemName(LPWSTR pszName, DWORD cchName);
STDMETHODIMP BindToSelectedItemParent(REFIID riid, void **ppv, LPITEMIDLIST *ppidl);
STDMETHODIMP_(BOOL) InLabelEdit(void) {return _fInLabelEdit;};
// INSCTree2
STDMETHODIMP RightPaneNavigationStarted(LPITEMIDLIST pidl);
STDMETHODIMP RightPaneNavigationFinished(LPITEMIDLIST pidl);
STDMETHODIMP CreateTree2(HWND hwndParent, DWORD dwStyle, DWORD dwExStyle, HWND *phwnd); // create window of tree view.
// IShellBrowser (Hack)
STDMETHODIMP InsertMenusSB(HMENU hmenuShared, LPOLEMENUGROUPWIDTHS lpMenuWidths) {return E_NOTIMPL;};
STDMETHODIMP SetMenuSB(HMENU hmenuShared, HOLEMENU holemenu, HWND hwnd) {return E_NOTIMPL;};
STDMETHODIMP RemoveMenusSB(HMENU hmenuShared) {return E_NOTIMPL;};
STDMETHODIMP SetStatusTextSB(LPCOLESTR lpszStatusText) {return E_NOTIMPL;};
STDMETHODIMP EnableModelessSB(BOOL fEnable) {return E_NOTIMPL;};
STDMETHODIMP TranslateAcceleratorSB(LPMSG lpmsg, WORD wID) {return E_NOTIMPL;};
STDMETHODIMP BrowseObject(LPCITEMIDLIST pidl, UINT wFlags) {return E_NOTIMPL;};
STDMETHODIMP GetViewStateStream(DWORD grfMode, LPSTREAM *ppStrm) {return E_NOTIMPL; };
STDMETHODIMP GetControlWindow(UINT id, HWND * lphwnd) {return E_NOTIMPL;};
STDMETHODIMP SendControlMsg(UINT id, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *pret) {return E_NOTIMPL;};
STDMETHODIMP QueryActiveShellView(struct IShellView ** ppshv) {return E_NOTIMPL;};
STDMETHODIMP OnViewWindowActive(struct IShellView * ppshv) {return E_NOTIMPL;};
STDMETHODIMP SetToolbarItems(LPTBBUTTON lpButtons, UINT nButtons, UINT uFlags) {return E_NOTIMPL;};
//STDMETHODIMP GetWindow(HWND * lphwnd) {return E_NOTIMPL;}; //already defined in IOleWindow
STDMETHODIMP ContextSensitiveHelp(BOOL fEnterMode) {return E_NOTIMPL;};
// IWinEventHandler
STDMETHODIMP OnWinEvent(HWND hwnd, UINT dwMsg, WPARAM wParam, LPARAM lParam, LRESULT *plres);
STDMETHODIMP IsWindowOwner(HWND hwnd) {return E_NOTIMPL;};
// IShellChangeNotify
STDMETHODIMP OnChange(LONG lEvent, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2);
// IShellNameSpace
STDMETHODIMP get_SubscriptionsEnabled(VARIANT_BOOL *pVal);
STDMETHODIMP Import() {return DoImportOrExport(TRUE);};
STDMETHODIMP Export() {return DoImportOrExport(FALSE);};
STDMETHODIMP Synchronize();
STDMETHODIMP NewFolder();
STDMETHODIMP ResetSort();
STDMETHODIMP MoveSelectionDown() {MoveItemUpOrDown(FALSE); return S_OK;};
STDMETHODIMP MoveSelectionUp() {MoveItemUpOrDown(TRUE); return S_OK;};
STDMETHODIMP InvokeContextMenuCommand(BSTR strCommand);
STDMETHODIMP MoveSelectionTo();
STDMETHODIMP CreateSubscriptionForSelection(/*[out, retval]*/ VARIANT_BOOL *pBool);
STDMETHODIMP DeleteSubscriptionForSelection(/*[out, retval]*/ VARIANT_BOOL *pBool);
STDMETHODIMP get_EnumOptions(LONG *pVal);
STDMETHODIMP put_EnumOptions(LONG lVal);
STDMETHODIMP get_SelectedItem(IDispatch **ppItem);
STDMETHODIMP put_SelectedItem(IDispatch *pItem);
STDMETHODIMP get_Root(VARIANT *pvar);
STDMETHODIMP put_Root(VARIANT pItem);
STDMETHODIMP SetRoot(BSTR bstrRoot);
STDMETHODIMP put_Depth(int iDepth){ return S_OK;};
STDMETHODIMP get_Depth(int *piDepth){ *piDepth = 1; return S_OK;};
STDMETHODIMP put_Mode(UINT uMode);
STDMETHODIMP get_Mode(UINT *puMode) { *puMode = _mode; return S_OK;};
STDMETHODIMP put_Flags(DWORD dwFlags);
STDMETHODIMP get_Flags(DWORD *pdwFlags) { *pdwFlags = _dwFlags; return S_OK;};
STDMETHODIMP put_TVFlags(DWORD dwFlags) { _dwTVFlags = dwFlags; return S_OK;};
STDMETHODIMP get_TVFlags(DWORD *dwFlags) { *dwFlags = _dwTVFlags; return S_OK;};
STDMETHODIMP put_Columns(BSTR bstrColumns);
STDMETHODIMP get_Columns(BSTR *bstrColumns);
STDMETHODIMP get_CountViewTypes(int *piTypes);
STDMETHODIMP SetViewType(int iType);
STDMETHODIMP SelectedItems(IDispatch **ppItems);
STDMETHODIMP Expand(VARIANT var, int iDepth);
//STDMETHODIMP get_ReadyState(READYSTATE *plReady);
STDMETHODIMP UnselectAll();
// IViewObjectEx
STDMETHOD(GetViewStatus)(DWORD* pdwStatus)
{
ATLTRACE(_T("IViewObjectExImpl::GetViewStatus\n"));
*pdwStatus = VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE;
return S_OK;
}
// IOleInPlaceObject
STDMETHODIMP SetObjectRects(LPCRECT prcPos, LPCRECT prcClip);
// IOleInPlaceActiveObjectImpl
STDMETHODIMP TranslateAccelerator(MSG *pMsg);
// IOleWindow
STDMETHODIMP GetWindow(HWND *phwnd);
// IOleObject
STDMETHODIMP SetClientSite(IOleClientSite *pClientSite);
// CDelegateDropTarget
virtual HRESULT GetWindowsDDT(HWND * phwndLock, HWND * phwndScroll);
virtual HRESULT HitTestDDT(UINT nEvent, LPPOINT ppt, DWORD_PTR * pdwId, DWORD * pdwDropEffect);
virtual HRESULT GetObjectDDT(DWORD_PTR dwId, REFIID riid, void ** ppvObj);
virtual HRESULT OnDropDDT(IDropTarget *pdt, IDataObject *pdtobj, DWORD * pgrfKeyState, POINTL pt, DWORD *pdwEffect);
// IFolderFilterSite
STDMETHODIMP SetFilter(IUnknown* punk);
CNscTree();
// override ATL default handlers
HRESULT OnDraw(ATL_DRAWINFO& di);
LRESULT OnNotify(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnSetFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnKillFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnMouseActivate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnGetIShellBrowser(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
HRESULT InPlaceActivate(LONG iVerb, const RECT* prcPosRect = NULL);
HWND Create(HWND hWndParent, RECT& rcPos, LPCTSTR pszWindowName = NULL,
DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS,
DWORD dwExStyle = 0, UINT nID = 0);
HRESULT GetEventInfo(IShellFolder *psf, LPCITEMIDLIST pidl,
UINT *pcItems, LPWSTR pszUrl, DWORD cchUrl,
UINT *pcVisits, LPWSTR pszLastVisited, BOOL *pfAvailableOffline);
protected:
~CNscTree();
class CSelectionContextMenu : public IContextMenu2
{
friend CNscTree;
protected:
// IUnknown
STDMETHODIMP QueryInterface(REFIID riid, void ** ppvObj);
STDMETHODIMP_(ULONG) AddRef(void) ;
STDMETHODIMP_(ULONG) Release(void);
// IContextMenu
STDMETHODIMP QueryContextMenu(HMENU hmenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags);
STDMETHODIMP InvokeCommand(LPCMINVOKECOMMANDINFO lpici);
STDMETHODIMP GetCommandString(UINT_PTR idCmd, UINT uType,
UINT * pwRes, LPSTR pszName, UINT cchMax) { return E_NOTIMPL; };
// IContextMenu2
STDMETHODIMP HandleMenuMsg(UINT uMsg, WPARAM wParam, LPARAM lParam);
protected:
~CSelectionContextMenu();
IContextMenu *_QuerySelection();
IContextMenu *_pcmSelection;
IContextMenu2 *_pcm2Selection;
ULONG _ulRefs;
public:
CSelectionContextMenu() : _pcmSelection(NULL),_ulRefs(0) {}
};
friend class CSelectionContextMenu;
CSelectionContextMenu _scm;
private:
void _FireFavoritesSelectionChange(long cItems, long hItem, BSTR strName,
BSTR strUrl, long cVisits, BSTR strDate, long fAvailableOffline);
HRESULT _InvokeContextMenuCommand(BSTR strCommand);
void _InsertMarkedChildren(HTREEITEM htiParent, LPCITEMIDLIST pidlParent, IInsertItem *pii);
HRESULT _GetEnumFlags(IShellFolder *psf, LPCITEMIDLIST pidlFolder, DWORD *pgrfFlags, HWND *phwnd);
HRESULT _GetEnum(IShellFolder *psf, LPCITEMIDLIST pidlFolder, IEnumIDList **ppenum);
BOOL _ShouldShow(IShellFolder* psf, LPCITEMIDLIST pidlFolder, LPCITEMIDLIST pidlItem);
HWND _CreateTreeview();
HWND _CreateHeader();
void _SubClass(LPCITEMIDLIST pidlRoot);
void _UnSubClass(void);
int _GetChildren(IShellFolder *psf, LPCITEMIDLIST pidl, ULONG ulAttrs);
HRESULT _LoadSF(HTREEITEM htiRoot, LPCITEMIDLIST pidl, BOOL * pfOrdered);
HRESULT _StartBackgroundEnum(HTREEITEM htiRoot, LPCITEMIDLIST pidl,
BOOL * pfOrdered, BOOL fUpdatePidls);
void _GetDefaultIconIndex(LPCITEMIDLIST pidl, ULONG ulAttrs, TVITEM *pitem, BOOL fFolder);
BOOL _LabelEditIsNewValueValid(TV_DISPINFO *ptvdi);
LRESULT _OnEndLabelEdit(TV_DISPINFO *ptvdi);
LRESULT _OnBeginLabelEdit(TV_DISPINFO *ptvdi);
LPITEMIDLIST _CacheParentShellFolder(HTREEITEM hti, LPITEMIDLIST pidl);
BOOL _CacheShellFolder(HTREEITEM hti);
void _CacheDetails();
void _ReleaseRootFolder(void );
void _ReleasePidls(void);
void _ReleaseCachedShellFolder(void);
void _TvOnHide();
void _TvOnShow();
BOOL _ShouldAdd(LPCITEMIDLIST pidl);
void _ReorderChildren(HTREEITEM htiParent);
void _Sort(HTREEITEM hti, IShellFolder *psf);
void MoveItemUpOrDown(BOOL fUp);
LPITEMIDLIST _FindHighestDeadItem(LPCITEMIDLIST pidl);
void _RemoveDeadBranch(LPCITEMIDLIST pidl);
HRESULT CreateNewFolder(HTREEITEM hti);
BOOL MoveItemsIntoFolder(HWND hwndParent);
HRESULT DoImportOrExport(BOOL fImport);
HRESULT DoSubscriptionForSelection(BOOL fCreate);
LRESULT _OnNotify(LPNMHDR pnm);
HRESULT _OnPaletteChanged(WPARAM wPAram, LPARAM lParam);
HRESULT _OnWindowCleanup(void);
HRESULT _HandleWinIniChange(void);
HRESULT _EnterNewFolderEditMode(LPCITEMIDLIST pidlNewFolder);
HTREEITEM _AddItemToTree(HTREEITEM htiParent, LPITEMIDLIST pidl, int cChildren, int iPos,
HTREEITEM htiAfter = TVI_LAST, BOOL fCheckForDups = TRUE, BOOL fMarked = FALSE);
HTREEITEM _FindChild(IShellFolder *psf, HTREEITEM htiParent, LPCITEMIDLIST pidlChild);
LPITEMIDLIST _GetFullIDList(HTREEITEM hti);
ITEMINFO *_GetTreeItemInfo(HTREEITEM hti);
PORDERITEM _GetTreeOrderItem(HTREEITEM hti);
BOOL _SetRoot(LPCITEMIDLIST pidlRoot, int iExpandDepth, LPCITEMIDLIST pidlExpandTo, NSSR_FLAGS flags);
DWORD _SetStyle(DWORD dwStyle);
DWORD _SetExStyle(DWORD dwExStyle);
void _OnGetInfoTip(NMTVGETINFOTIP *pnm);
LRESULT _OnSetCursor(NMMOUSE* pnm);
void _ApplyCmd(HTREEITEM hti, IContextMenu *pcm, UINT cmdId);
HRESULT _QuerySelection(IContextMenu **ppcm, HTREEITEM *phti);
HMENU _CreateContextMenu(IContextMenu *pcm, HTREEITEM hti);
LRESULT _OnContextMenu(short x, short y);
void _OnBeginDrag(NM_TREEVIEW *pnmhdr);
void _OnChangeNotify(LONG lEvent, LPCITEMIDLIST pidl, LPCITEMIDLIST pidlExtra);
HRESULT _OnDeleteItem(NM_TREEVIEW *pnm);
void _OnGetDisplayInfo(TV_DISPINFO *pnm);
HRESULT _ChangePidlRoot(LPCITEMIDLIST pidl);
BOOL _IsExpandable(HTREEITEM hti);
BOOL _OnItemExpandingMsg(NM_TREEVIEW *pnm);
BOOL _OnItemExpanding(HTREEITEM htiToActivate, UINT action, BOOL fExpandedOnce, BOOL fIsExpandPartial);
BOOL _OnSelChange(BOOL fMark);
void _OnSetSelection();
BOOL _FIsItem(IShellFolder * psf, LPCITEMIDLIST pidlTarget, HTREEITEM hti);
HTREEITEM _FindFromRoot(HTREEITEM htiRoot, LPCITEMIDLIST pidl);
HRESULT _OnSHNotifyRename(LPCITEMIDLIST pidl, LPCITEMIDLIST pidlNew);
HRESULT _OnSHNotifyDelete(LPCITEMIDLIST pidl, int *piPosDeleted, HTREEITEM *phtiParent);
void _OnSHNotifyUpdateItem(LPCITEMIDLIST pidl, LPITEMIDLIST pidlReal);
HRESULT _OnSHNotifyUpdateDir(LPCITEMIDLIST pidl);
HRESULT _OnSHNotifyCreate(LPCITEMIDLIST pidl, int iPosition, HTREEITEM htiParent);
void _OnSHNotifyOnlineChange(HTREEITEM htiRoot, BOOL fGoingOnline);
void _OnSHNotifyCacheChange(HTREEITEM htiRoot, DWORD_PTR dwChanged);
HRESULT _IdlRealFromIdlSimple(IShellFolder * psf, LPCITEMIDLIST pidlSimple, LPITEMIDLIST * ppidlReal);
void _DtRevoke();
void _DtRegister();
int _TreeItemIndexInHDPA(HDPA hdpa, IShellFolder *psfParent, HTREEITEM hti, int iReverseStart);
BOOL _IsItemExpanded(HTREEITEM hti);
HRESULT _UpdateDir(HTREEITEM hti, BOOL bUpdatePidls);
HRESULT _GetDisplayNameOf(LPCITEMIDLIST pidl, DWORD uFlags, LPSHELLDETAILS pdetails);
HRESULT _ParentFromItem(LPCITEMIDLIST pidl, IShellFolder** ppsfParent, LPCITEMIDLIST *ppidlChild);
HRESULT _CompareIDs(IShellFolder *psf, LPITEMIDLIST pidl1, LPITEMIDLIST pidl2);
static int CALLBACK _TreeCompare(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort);
static LRESULT CALLBACK s_SubClassTreeWndProc(
HWND hwnd, UINT uMsg,
WPARAM wParam, LPARAM lParam,
UINT_PTR uIdSubclass, DWORD_PTR dwRefData);
LRESULT _SubClassTreeWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
void _InitHeaderInfo();
HRESULT _Expand(LPCITEMIDLIST pidl, int iDepth);
HTREEITEM _ExpandToItem(LPCITEMIDLIST pidl, BOOL fCreate = TRUE, BOOL fReinsert = FALSE);
HRESULT _ExpandNode(HTREEITEM htiParent, int iCode, int iDepth);
HRESULT _PutRootVariant(VARIANT *pvar);
BOOL _IsItemNameInTree(LPCITEMIDLIST pidl);
COLORREF _GetRegColor(COLORREF clrDefault, LPCTSTR pszName);
void _AssignPidl(PORDERITEM poi, LPITEMIDLIST pidlNew);
protected:
// used for background thread icon + draw info extraction
static void s_NscIconCallback(CNscTree *pns, UINT_PTR uId, int iIcon, int iOpenIcon, DWORD dwFlags, UINT uMagic);
static void s_NscOverlayCallback(CNscTree *pns, UINT_PTR uId, int iOverlayIndex, UINT uMagic);
// used for background enumeration
static void s_NscEnumCallback(CNscTree *pns, LPITEMIDLIST pidl, UINT_PTR uId, DWORD dwSig, HDPA hdpa,
LPITEMIDLIST pidlExpandingTo, DWORD dwOrderSig,
UINT uDepth, BOOL fUpdate, BOOL fUpdatePidls);
private:
void _EnumBackgroundDone(NSC_BKGDENUMDONEDATA *pbedd);
#ifdef DEBUG
void TraceHTREE(HTREEITEM hti, LPCTSTR pszDebugMsg);
void TracePIDL(LPCITEMIDLIST pidl, LPCTSTR pszDebugMsg);
void TracePIDLAbs(LPCITEMIDLIST pidl, LPCTSTR pszDebugMsg);
#endif
static int CALLBACK _TreeOrder(LPARAM lParam1, LPARAM lParam2
, LPARAM lParamSort);
BOOL _IsOrdered(HTREEITEM htiRoot);
void _SelectPidl(LPCITEMIDLIST pidl, BOOL fCreate, BOOL fReinsert = FALSE);
void _SelectNoExpand(HWND hwnd, HTREEITEM hti);
HRESULT _InsertChild(HTREEITEM htiParent, IShellFolder *psfParent, LPCITEMIDLIST pidlChild, BOOL fExpand, BOOL fSimpleToRealIDL, int iPosition, HTREEITEM *phti);
LRESULT _OnCommand(WPARAM wParam, LPARAM lParam);
IStream *GetOrderStream(LPCITEMIDLIST pidl, DWORD grfMode);
HRESULT _PopulateOrderList(HTREEITEM htiRoot);
void _FreeOrderList(HTREEITEM htiRoot);
void _Dropped(void);
LRESULT _OnCDNotify(LPNMCUSTOMDRAW pnm);
BOOL _IsTopParentItem(HTREEITEM hti);
BOOL _MoveNode(int _iDragSrc, int iNewPos, LPITEMIDLIST pidl);
void _TreeInvalidateItemInfo(HTREEITEM hItem, UINT mask);
void _InvalidateImageIndex(HTREEITEM hItem, int iImage);
void _DrawItem(HTREEITEM hti, TCHAR * psz, HDC hdc, LPRECT prc,
DWORD dwFlags, int iLevel, COLORREF clrbk, COLORREF clrtxt);
void _DrawIcon(HTREEITEM hti,HDC hdc, int iLevel, RECT *prc, DWORD dwFlags);
void _DrawActiveBorder(HDC hdc, LPRECT prc);
void _UpdateActiveBorder(HTREEITEM htiSelected);
void _MarkChildren(HTREEITEM htiParent, BOOL fOn);
BOOL _IsMarked(HTREEITEM hti);
void _UpdateItemDisplayInfo(HTREEITEM hti);
void _TreeSetItemState(HTREEITEM hti, UINT stateMask, UINT state);
void _TreeNukeCutState();
BOOL _IsChannelFolder(HTREEITEM hti);
BOOL _LoadOrder(HTREEITEM hti, LPCITEMIDLIST pidl, IShellFolder* psf, HDPA* phdpa);
HWND _hwndParent; // parent window to notify
HWND _hwndTree; // tree or combo box
HWND _hwndNextViewer;
HWND _hwndHdr;
DWORD _style;
DWORD _dwExStyle;
DWORD _grfFlags; // Flags to filter what goes in the tree.
DWORD _dwFlags; // Behavior Flags (NSS_*)
DWORD _dwTVFlags;
BITBOOL _fInitialized : 1; // Has INSCTree::Initialize() been called at least once yet?
BITBOOL _fIsSelectionCached: 1; // If the WM_NCDESTROY has been processed, then we squired the selected pidl(s) in _pidlSelected
BITBOOL _fCacheIsDesktop : 1; // state flags
BITBOOL _fAutoExpanding : 1; // tree is auto-expanding
BITBOOL _fDTRegistered:1; // have we registered as droptarget?
BITBOOL _fpsfCacheIsTopLevel : 1; // is the cached psf a root channel ?
BITBOOL _fDragging : 1; // one o items being dragged
BITBOOL _fStartingDrag : 1; // starting to drag an item
BITBOOL _fDropping : 1; // a drop occurred in the nsc
BITBOOL _fInSelectPidl : 1; // we are performing a SelectPidl
BITBOOL _fInserting : 1; // we're on the insertion edge.
BITBOOL _fInsertBefore : 1; // a drop occurred in the nsc
BITBOOL _fClosing : 1; // are we closing ?
BITBOOL _fOkToRename : 1; // are we right clicking.
BITBOOL _fInLabelEdit:1;
BITBOOL _fCollapsing:1; // is a node collapsing.
BITBOOL _fOnline:1; // is inet online?
BITBOOL _fWeChangedOrder:1; // did we change the order?
BITBOOL _fHandlingShellNotification:1; //are we handing a shell notification?
BITBOOL _fSingleExpand:1; // are we in single expand mode
BITBOOL _fHasFocus:1; // does nsc have the focus?
BITBOOL _fIgnoreNextSelChange:1;// hack to get around treeview keydown bug
BITBOOL _fIgnoreNextItemExpanding:1; //hack to get around annoying single expand behavior
BITBOOL _fInExpand:1; // TRUE while we are doing delayed expansion (called back from the secondary thread)
BITBOOL _fSubClassed:1; // Have we subclassed the window yet?
BITBOOL _fAsyncDrop:1; // async drop from outside or another inside folder.
BITBOOL _fOrdered:1; // is root folder ordered.
BITBOOL _fExpandNavigateTo:1; // Do we need to expand when the right pane navigation comes back?
BITBOOL _fNavigationFinished:1; // TRUE when the right hand pane has finished its navigation
BITBOOL _fSelectFromMouseClick:1; // Did we use the mouse to select the item? (as opposed to the keyboard)
BITBOOL _fShouldShowAppStartCursor:1; // TRUE to show the appstart cursor while there is a background task going
BOOL _fUpdate; // true if we are enumerating so that we can update the tree (refresh)
int _cxOldWidth;
UINT _mode;
UINT _csidl;
IContextMenu* _pcm; // context menu currently being displayed
IContextMenu2* _pcmSendTo; // deal with send to hack so messages tgo right place.
LPITEMIDLIST _pidlRoot;
LPITEMIDLIST _pidlSelected; // Valid if _fIsSelectionCached is true. Used for INSCTree::GetSelectedItem() after tree is gone.
HTREEITEM _htiCache; // tree item associated with Current shell folder
IShellFolder* _psfCache; // cache of the last IShellFolder I needed...
IShellFolder2* _psf2Cache; // IShellDetails2 for _psfISD2Cache
IFolderFilter* _pFilter;
INamespaceProxy* _pnscProxy;
ULONG _ulDisplayCol; // Default display col for _psfCache
ULONG _ulSortCol; // Default sort col for _psfCache
ULONG _nChangeNotifyID; // SHChangeNotify registration ID
HDPA _hdpaOrd; // dpa order for current shell folder.
// drop target privates
HTREEITEM _htiCur; // current tree item (dragging over)
DWORD _dwLastTime;
DWORD _dwEffectCur; // current drag effect
int _iDragSrc; // dragging from this pos.
int _iDragDest; // destination drag point
HTREEITEM _htiDropInsert; // parent of inserted item.
HTREEITEM _htiDragging; // the tree item being dragged during D&D.
HTREEITEM _htiCut; // Used for Clipboard and Visuals
LPITEMIDLIST _pidlDrag; // pidl of item being dragged from within.
HTREEITEM _htiFolderStart; // what folder do we start in.
HICON _hicoPinned; // drawn over items that are sticky in the inet cache
HWND _hwndDD; // window to draw custom drag cursors on.
HTREEITEM _htiActiveBorder; // the folder to draw the active border around
CWinInetNotify _inetNotify; // hooks up wininet notifications (online/offline, etc)
IShellTaskScheduler* _pTaskScheduler; // background task icon/info extracter
int _iDefaultFavoriteIcon; // index of default favorite icon in system image list
int _iDefaultFolderIcon; // index of default folder icon in system image list
HTREEITEM _htiRenaming; // hti of item being renamed in rename mode
LPITEMIDLIST _pidlNewFolderParent; // where the new folder will be arriving (when user picks "Create New Folder")
DWORD _dwSignature; // Signature used to track items in the tree, even after they've moved
DWORD _dwOrderSig; // Signature that lets us detect changes in ordering of items
BYTE _bSynchId; // magic number for validating tree during background icon extraction
HDPA _hdpaColumns; // visible columns when NSS_HEADER is set
HDPA _hdpaViews; // ishellfolderviewtype view pidls
LPITEMIDLIST _pidlExpandingTo; // During expansion of the tree, this is the pidl of the item we want to reach.
LPITEMIDLIST _pidlNavigatingTo; // This is the pidl to which the right pane is currently navigating to
UINT _uDepth; // depth of recursive expansion
CRITICAL_SECTION _csBackgroundData; // protects the data from the background tasks.
NSC_BKGDENUMDONEDATA * _pbeddList; // List of tasks that are done.
BITBOOL _fShowCompColor:1; // Show compressed files in different color
enum
{
RSVIDM_CONTEXT_START = RSVIDM_LAST + 1, // our private menu items end here
};
};
int DPADeleteItemCB(void *pItem, void *pData);
int DPADeletePidlsCB(void *pItem, void *pData);
// util macros.
#define GetPoi(p) (((ITEMINFO *)p)->poi)
#define GetPii(p) ((ITEMINFO *)p)
#include "nscband.h"
#endif // _NSC_C
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