1 /////////////////////////////////////////////////////////////////////////////
3 // This program is free software; you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License as published by
5 // the Free Software Foundation; either version 2 of the License, or (at
6 // your option) any later version.
8 // This program is distributed in the hope that it will be useful, but
9 // WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
16 /////////////////////////////////////////////////////////////////////////////
17 // Look at http://www.codeproject.com/shell/ for excellent guide
18 // to Windows Shell programming by Michael Dunn.
20 * @file WinMergeShell.h
22 * @brief Declaration file for ShellExtension class
24 // RCS ID line follows -- this is updated by CVS
27 #ifndef __WINMERGESHELL_H_
28 #define __WINMERGESHELL_H_
32 #include <atlconv.h> // for ATL string conversion macros
33 #include "resource.h" // main symbols
36 * @brief Class for handling shell extension tasks
38 class ATL_NO_VTABLE CWinMergeShell :
39 public CComObjectRootEx<CComSingleThreadModel>,
40 public CComCoClass<CWinMergeShell, &CLSID_WinMergeShell>,
41 public IDispatchImpl<IWinMergeShell, &IID_IWinMergeShell, &LIBID_SHELLEXTENSIONLib>,
48 DECLARE_REGISTRY_RESOURCEID(IDR_WINMERGESHELL)
50 DECLARE_PROTECT_FINAL_CONSTRUCT()
52 BEGIN_COM_MAP(CWinMergeShell)
53 COM_INTERFACE_ENTRY(IWinMergeShell)
54 COM_INTERFACE_ENTRY(IDispatch)
55 COM_INTERFACE_ENTRY(IShellExtInit)
56 COM_INTERFACE_ENTRY(IContextMenu)
61 CString m_strPaths[2]; /**< Paths for selected items */
62 CString m_strPreviousPath; /**< Previously selected path */
63 HBITMAP m_hMergeBmp; /**< Icon */
64 UINT m_nSelectedItems; /**< Amount of selected items */
65 DWORD m_dwContextMenuEnabled; /**< Is context menu enabled and in which mode? */
66 DWORD m_dwMenuState; /**< Shown menuitems */
68 BOOL GetWinMergeDir(CString &strDir);
69 BOOL CheckExecutable(CString path);
70 int DrawSimpleMenu(HMENU hmenu, UINT uMenuIndex, UINT uidFirstCmd);
71 int DrawAdvancedMenu(HMENU hmenu, UINT uMenuIndex, UINT uidFirstCmd);
72 CString GetHelpText(int idCmd);
73 CString FormatCmdLine(const CString &winmergePath,
74 const CString &path1, const CString &path2);
78 STDMETHOD(Initialize)(LPCITEMIDLIST, LPDATAOBJECT, HKEY);
81 STDMETHOD(GetCommandString)(UINT, UINT, UINT*, LPSTR, UINT);
82 STDMETHOD(InvokeCommand)(LPCMINVOKECOMMANDINFO);
83 STDMETHOD(QueryContextMenu)(HMENU, UINT, UINT, UINT, UINT);
86 #endif //__WINMERGESHELL_H_