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/*
SPDX-FileCopyrightText: 2003-2006, Sergey Zorin. All rights reserved.
SPDX-FileCopyrightText: 2018-2020 Michael Reeves reeves.87@gmail.com
SPDX-License-Identifier: BSD-2-Clause
*/
#ifndef diff_ext_h
#define diff_ext_h
//This option is not compatible with our shell extention.
#undef WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <windowsx.h>
#include <shlobj.h>
#include "server.h"
// this is the actual OLE Shell context menu handler
class DIFF_EXT : public IContextMenu, IShellExtInit {
public:
DIFF_EXT();
virtual ~DIFF_EXT();
//IUnknown members
STDMETHODIMP QueryInterface(REFIID interface_id, void** result);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
//IShell members
STDMETHODIMP QueryContextMenu(HMENU menu, UINT index, UINT cmd_first, UINT cmd_last, UINT flags);
STDMETHODIMP InvokeCommand(LPCMINVOKECOMMANDINFO info);
STDMETHODIMP GetCommandString(UINT_PTR cmd, UINT flags, UINT* reserved, LPSTR name, UINT name_length);
//IShellExtInit methods
STDMETHODIMP Initialize(LPCITEMIDLIST folder, IDataObject* subj, HKEY key);
private:
void diff( const tstring& arguments );
void diff_with(unsigned int num, bool bMerge);
tstring cut_to_length(const tstring&, size_t length = 64);
private:
UINT m_nrOfSelectedFiles;
tstring _file_name1;
tstring _file_name2;
tstring _file_name3;
HINSTANCE _resource;
HWND _hwnd;
ULONG _ref_count;
std::list< tstring >& m_recentFiles;
UINT m_id_FirstCmd;
UINT m_id_Diff;
UINT m_id_DiffWith;
UINT m_id_DiffLater;
UINT m_id_MergeWith;
UINT m_id_Merge3;
UINT m_id_Diff3;
UINT m_id_DiffWith_Base;
UINT m_id_About;
UINT m_id_ClearList;
};
#endif // __diff_ext_h__
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