/* * ReactOS Explorer * * Copyright 2016 Sylvain Deverre * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #pragma once #define WM_USER_SHELLEVENT WM_USER+88 #define WM_USER_FOLDEREVENT WM_USER+88 class CExplorerBand : public CComCoClass, public CComObjectRootEx, public IDeskBand, public IObjectWithSite, public IInputObject, public IPersistStream, public IOleCommandTarget, public IServiceProvider, public IBandNavigate, public IWinEventHandler, public INamespaceProxy, public IDispatch, public IDropSource, public IDropTarget, public CWindowImpl { private: class NodeInfo { public: LPITEMIDLIST absolutePidl; LPITEMIDLIST relativePidl; BOOL expanded; }; // *** BaseBarSite information *** CComPtr pSite; CComPtr pDesktop; // *** tree explorer band stuff *** BOOL fVisible; BOOL bNavigating; BOOL bFocused; DWORD dwBandID; HIMAGELIST hImageList; HTREEITEM hRoot; HTREEITEM oldSelected; LPITEMIDLIST pidlCurrent; // *** notification cookies *** DWORD adviseCookie; ULONG shellRegID; // *** Drop target information *** CComPtr pDropTarget; HTREEITEM childTargetNode; CComPtr pCurObject; void InitializeExplorerBand(); void DestroyExplorerBand(); HRESULT ExecuteCommand(CComPtr& menu, UINT nCmd); // *** notifications handling *** BOOL OnTreeItemExpanding(LPNMTREEVIEW pnmtv); void OnSelectionChanged(LPNMTREEVIEW pnmtv); BOOL OnTreeItemDeleted(LPNMTREEVIEW pnmtv); void OnTreeItemDragging(LPNMTREEVIEW pnmtv, BOOL isRightClick); // *** ATL event handlers *** LRESULT OnContextMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled); LRESULT ContextMenuHack(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled); LRESULT OnShellEvent(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); // *** Helper functions *** NodeInfo* GetNodeInfo(HTREEITEM hItem); HRESULT UpdateBrowser(LPITEMIDLIST pidlGoto); HTREEITEM InsertItem(HTREEITEM hParent, IShellFolder *psfParent, LPITEMIDLIST pElt, LPITEMIDLIST pEltRelative, BOOL bSort); HTREEITEM InsertItem(HTREEITEM hParent, LPITEMIDLIST pElt, LPITEMIDLIST pEltRelative, BOOL bSort); BOOL InsertSubitems(HTREEITEM hItem, NodeInfo *pNodeInfo); BOOL NavigateToPIDL(LPITEMIDLIST dest, HTREEITEM *item, BOOL bExpand, BOOL bInsert, BOOL bSelect); BOOL DeleteItem(LPITEMIDLIST toDelete); BOOL RenameItem(HTREEITEM toRename, LPITEMIDLIST newPidl); BOOL RefreshTreePidl(HTREEITEM tree, LPITEMIDLIST pidlParent); BOOL NavigateToCurrentFolder(); // *** Tree item sorting callback *** static int CALLBACK CompareTreeItems(LPARAM p1, LPARAM p2, LPARAM p3); public: CExplorerBand(); virtual ~CExplorerBand(); // *** IOleWindow methods *** virtual HRESULT STDMETHODCALLTYPE GetWindow(HWND *lphwnd); virtual HRESULT STDMETHODCALLTYPE ContextSensitiveHelp(BOOL fEnterMode); // *** IDockingWindow methods *** virtual HRESULT STDMETHODCALLTYPE CloseDW(DWORD dwReserved); virtual HRESULT STDMETHODCALLTYPE ResizeBorderDW(const RECT *prcBorder, IUnknown *punkToolbarSite, BOOL fReserved); virtual HRESULT STDMETHODCALLTYPE ShowDW(BOOL fShow); // *** IDeskBand methods *** virtual HRESULT STDMETHODCALLTYPE GetBandInfo(DWORD dwBandID, DWORD dwViewMode, DESKBANDINFO *pdbi); // *** IObjectWithSite methods *** virtual HRESULT STDMETHODCALLTYPE SetSite(IUnknown *pUnkSite); virtual HRESULT STDMETHODCALLTYPE GetSite(REFIID riid, void **ppvSite); // *** IOleCommandTarget methods *** virtual HRESULT STDMETHODCALLTYPE QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds [], OLECMDTEXT *pCmdText); virtual HRESULT STDMETHODCALLTYPE Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut); // *** IServiceProvider methods *** virtual HRESULT STDMETHODCALLTYPE QueryService(REFGUID guidService, REFIID riid, void **ppvObject); // *** IInputObject methods *** virtual HRESULT STDMETHODCALLTYPE UIActivateIO(BOOL fActivate, LPMSG lpMsg); virtual HRESULT STDMETHODCALLTYPE HasFocusIO(); virtual HRESULT STDMETHODCALLTYPE TranslateAcceleratorIO(LPMSG lpMsg); // *** IPersist methods *** virtual HRESULT STDMETHODCALLTYPE GetClassID(CLSID *pClassID); // *** IPersistStream methods *** virtual HRESULT STDMETHODCALLTYPE IsDirty(); virtual HRESULT STDMETHODCALLTYPE Load(IStream *pStm); virtual HRESULT STDMETHODCALLTYPE Save(IStream *pStm, BOOL fClearDirty); virtual HRESULT STDMETHODCALLTYPE GetSizeMax(ULARGE_INTEGER *pcbSize); // *** IWinEventHandler methods *** virtual HRESULT STDMETHODCALLTYPE OnWinEvent(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *theResult); virtual HRESULT STDMETHODCALLTYPE IsWindowOwner(HWND hWnd); // *** IBandNavigate methods *** virtual HRESULT STDMETHODCALLTYPE Select(long paramC); // *** INamespaceProxy *** virtual HRESULT STDMETHODCALLTYPE GetNavigateTarget(long paramC, long param10, long param14); virtual HRESULT STDMETHODCALLTYPE Invoke(long paramC); virtual HRESULT STDMETHODCALLTYPE OnSelectionChanged(long paramC); virtual HRESULT STDMETHODCALLTYPE RefreshFlags(long paramC, long param10, long param14); virtual HRESULT STDMETHODCALLTYPE CacheItem(long paramC); // *** IDispatch methods *** virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo); virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo); virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId); virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr); // *** IDropTarget methods *** virtual HRESULT STDMETHODCALLTYPE DragEnter(IDataObject *pObj, DWORD glfKeyState, POINTL pt, DWORD *pdwEffect); virtual HRESULT STDMETHODCALLTYPE DragOver(DWORD glfKeyState, POINTL pt, DWORD *pdwEffect); virtual HRESULT STDMETHODCALLTYPE DragLeave(); virtual HRESULT STDMETHODCALLTYPE Drop(IDataObject *pObj, DWORD glfKeyState, POINTL pt, DWORD *pdwEffect); // *** IDropSource methods *** virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState); virtual HRESULT STDMETHODCALLTYPE GiveFeedback(DWORD dwEffect); DECLARE_REGISTRY_RESOURCEID(IDR_EXPLORERBAND) DECLARE_NOT_AGGREGATABLE(CExplorerBand) DECLARE_PROTECT_FINAL_CONSTRUCT() BEGIN_COM_MAP(CExplorerBand) COM_INTERFACE_ENTRY_IID(IID_IDispatch, IDispatch) COM_INTERFACE_ENTRY_IID(IID_IWinEventHandler, IWinEventHandler) COM_INTERFACE_ENTRY_IID(IID_IBandNavigate, IBandNavigate) COM_INTERFACE_ENTRY_IID(IID_INamespaceProxy, INamespaceProxy) COM_INTERFACE_ENTRY2_IID(IID_IOleWindow, IOleWindow, IDeskBand) COM_INTERFACE_ENTRY2_IID(IID_IDockingWindow, IDockingWindow, IDeskBand) COM_INTERFACE_ENTRY_IID(IID_IDeskBand, IDeskBand) COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite) COM_INTERFACE_ENTRY_IID(IID_IOleCommandTarget, IOleCommandTarget) COM_INTERFACE_ENTRY_IID(IID_IServiceProvider, IServiceProvider) COM_INTERFACE_ENTRY_IID(IID_IInputObject, IInputObject) COM_INTERFACE_ENTRY2_IID(IID_IPersist, IPersist, IPersistStream) COM_INTERFACE_ENTRY_IID(IID_IPersistStream, IPersistStream) END_COM_MAP() BEGIN_MSG_MAP(CExplorerBand) MESSAGE_HANDLER(WM_CONTEXTMENU, OnContextMenu) MESSAGE_HANDLER(WM_USER_SHELLEVENT, OnShellEvent) MESSAGE_HANDLER(WM_RBUTTONDOWN, ContextMenuHack) MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus) // MESSAGE_HANDLER(WM_KILLFOCUS, OnKillFocus) END_MSG_MAP() };