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Record not only file paths but also specified plugins etc. in a recent file or folder.
[winmerge-jp/winmerge-jp.git] / Src / MainFrm.cpp
index aaae8bc..2cfb91f 100644 (file)
@@ -2,21 +2,7 @@
 //    WinMerge:  an interactive diff/merge utility
 //    Copyright (C) 1997-2000  Thingamahoochie Software
 //    Author: Dean Grimm
-//
-//    This program is free software; you can redistribute it and/or modify
-//    it under the terms of the GNU General Public License as published by
-//    the Free Software Foundation; either version 2 of the License, or
-//    (at your option) any later version.
-//
-//    This program 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 General Public License for more details.
-//
-//    You should have received a copy of the GNU General Public License
-//    along with this program; if not, write to the Free Software
-//    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-//
+//    SPDX-License-Identifier: GPL-2.0-or-later
 /////////////////////////////////////////////////////////////////////////////
 /** 
  * @file  MainFrm.cpp
@@ -36,7 +22,7 @@
 #include "BCMenu.h"
 #include "OpenFrm.h"
 #include "DirFrame.h"          // Include type information
-#include "ChildFrm.h"
+#include "MergeEditFrm.h"
 #include "HexMergeFrm.h"
 #include "DirView.h"
 #include "DirDoc.h"
 #include "HexMergeView.h"
 #include "ImgMergeFrm.h"
 #include "LineFiltersList.h"
+#include "SubstitutionFiltersList.h"
 #include "ConflictFileParser.h"
 #include "LineFiltersDlg.h"
+#include "SubstitutionFiltersDlg.h"
 #include "paths.h"
 #include "Environment.h"
 #include "PatchTool.h"
@@ -64,6 +52,7 @@
 #include "PreferencesDlg.h"
 #include "FileOrFolderSelect.h"
 #include "PluginsListDlg.h"
+#include "SelectPluginDlg.h"
 #include "stringdiffs.h"
 #include "MergeCmdLineInfo.h"
 #include "OptionsFont.h"
 #include "VersionInfo.h"
 #include "Bitmap.h"
 #include "CCrystalTextMarkers.h"
+#include "utils/hqbitmap.h"
+#include "UniFile.h"
+#include "TFile.h"
+#include "Shell.h"
+#include "WindowsManagerDialog.h"
 
 using std::vector;
 using boost::begin;
@@ -82,7 +76,7 @@ using boost::end;
 #define new DEBUG_NEW
 #endif
 
-static void LoadToolbarImageList(int imageWidth, UINT nIDResource, UINT nIDResourceMask, bool bGrayscale, CImageList& ImgList);
+static void LoadToolbarImageList(int orgImageWidth, int newImageHeight, UINT nIDResource, bool bGrayscale, CImageList& ImgList);
 static CPtrList &GetDocList(CMultiDocTemplate *pTemplate);
 template<class DocClass>
 DocClass * GetMergeDocForDiff(CMultiDocTemplate *pTemplate, CDirDoc *pDirDoc, int nFiles, bool bMakeVisible = true);
@@ -92,7 +86,13 @@ DocClass * GetMergeDocForDiff(CMultiDocTemplate *pTemplate, CDirDoc *pDirDoc, in
  */
 const CMainFrame::MENUITEM_ICON CMainFrame::m_MenuIcons[] = {
        { ID_FILE_OPENCONFLICT,                 IDB_FILE_OPENCONFLICT,                  CMainFrame::MENU_ALL },
-       { ID_FILE_NEW3,                 IDB_FILE_NEW3,                  CMainFrame::MENU_ALL },
+       { ID_FILE_NEW_TABLE,                    IDB_FILE_NEW_TABLE,                             CMainFrame::MENU_ALL },
+       { ID_FILE_NEW_HEX,                              IDB_FILE_NEW_HEX,                               CMainFrame::MENU_ALL },
+       { ID_FILE_NEW_IMAGE,                    IDB_FILE_NEW_IMAGE,                             CMainFrame::MENU_ALL },
+       { ID_FILE_NEW3,                                 IDB_FILE_NEW3,                                  CMainFrame::MENU_ALL },
+       { ID_FILE_NEW3_TABLE,                   IDB_FILE_NEW3_TABLE,                    CMainFrame::MENU_ALL },
+       { ID_FILE_NEW3_HEX,                             IDB_FILE_NEW3_HEX,                              CMainFrame::MENU_ALL },
+       { ID_FILE_NEW3_IMAGE,                   IDB_FILE_NEW3_IMAGE,                    CMainFrame::MENU_ALL },
        { ID_EDIT_COPY,                                 IDB_EDIT_COPY,                                  CMainFrame::MENU_ALL },
        { ID_EDIT_CUT,                                  IDB_EDIT_CUT,                                   CMainFrame::MENU_ALL },
        { ID_EDIT_PASTE,                                IDB_EDIT_PASTE,                                 CMainFrame::MENU_ALL },
@@ -112,8 +112,6 @@ const CMainFrame::MENUITEM_ICON CMainFrame::m_MenuIcons[] = {
        { ID_TOOLS_CUSTOMIZECOLUMNS,    IDB_TOOLS_COLUMNS,                              CMainFrame::MENU_ALL },
        { ID_TOOLS_GENERATEPATCH,               IDB_TOOLS_GENERATEPATCH,                CMainFrame::MENU_ALL },
        { ID_PLUGINS_LIST,                              IDB_PLUGINS_LIST,                               CMainFrame::MENU_ALL },
-       { ID_COPY_FROM_LEFT,                    IDB_COPY_FROM_LEFT,                             CMainFrame::MENU_ALL },
-       { ID_COPY_FROM_RIGHT,                   IDB_COPY_FROM_RIGHT,                    CMainFrame::MENU_ALL },
        { ID_FILE_PRINT,                                IDB_FILE_PRINT,                                 CMainFrame::MENU_FILECMP },
        { ID_TOOLS_GENERATEREPORT,              IDB_TOOLS_GENERATEREPORT,               CMainFrame::MENU_FILECMP },
        { ID_EDIT_TOGGLE_BOOKMARK,              IDB_EDIT_TOGGLE_BOOKMARK,               CMainFrame::MENU_FILECMP },
@@ -122,6 +120,12 @@ const CMainFrame::MENUITEM_ICON CMainFrame::m_MenuIcons[] = {
        { ID_EDIT_CLEAR_ALL_BOOKMARKS,  IDB_EDIT_CLEAR_ALL_BOOKMARKS,   CMainFrame::MENU_FILECMP },
        { ID_VIEW_ZOOMIN,                               IDB_VIEW_ZOOMIN,                                CMainFrame::MENU_FILECMP },
        { ID_VIEW_ZOOMOUT,                              IDB_VIEW_ZOOMOUT,                               CMainFrame::MENU_FILECMP },
+       { ID_COPY_FROM_LEFT,                    IDB_COPY_FROM_LEFT,                             CMainFrame::MENU_FILECMP },
+       { ID_COPY_FROM_RIGHT,                   IDB_COPY_FROM_RIGHT,                    CMainFrame::MENU_FILECMP },
+       { ID_LINES_R2L,                                 IDB_COPY_SELECTED_LINES_TO_LEFT,        CMainFrame::MENU_FILECMP },
+       { ID_LINES_L2R,                                 IDB_COPY_SELECTED_LINES_TO_RIGHT,       CMainFrame::MENU_FILECMP },
+       { ID_COPY_LINES_FROM_LEFT,              IDB_COPY_SELECTED_LINES_FROM_LEFT,      CMainFrame::MENU_FILECMP },
+       { ID_COPY_LINES_FROM_RIGHT,             IDB_COPY_SELECTED_LINES_FROM_RIGHT,     CMainFrame::MENU_FILECMP },
        { ID_MERGE_COMPARE,                             IDB_MERGE_COMPARE,                              CMainFrame::MENU_FOLDERCMP },
        { ID_MERGE_COMPARE_LEFT1_LEFT2,         IDB_MERGE_COMPARE_LEFT1_LEFT2,  CMainFrame::MENU_FOLDERCMP },
        { ID_MERGE_COMPARE_RIGHT1_RIGHT2,       IDB_MERGE_COMPARE_RIGHT1_RIGHT2,CMainFrame::MENU_FOLDERCMP },
@@ -184,16 +188,26 @@ BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
        ON_COMMAND(ID_HELP_CONTENTS, OnHelpContents)
        ON_WM_CLOSE()
        ON_COMMAND(ID_TOOLS_GENERATEPATCH, OnToolsGeneratePatch)
+       ON_WM_TIMER()
        ON_WM_DESTROY()
        ON_COMMAND_RANGE(ID_UNPACK_MANUAL, ID_UNPACK_AUTO, OnPluginUnpackMode)
        ON_UPDATE_COMMAND_UI_RANGE(ID_UNPACK_MANUAL, ID_UNPACK_AUTO, OnUpdatePluginUnpackMode)
        ON_COMMAND_RANGE(ID_PREDIFFER_MANUAL, ID_PREDIFFER_AUTO, OnPluginPrediffMode)
        ON_UPDATE_COMMAND_UI_RANGE(ID_PREDIFFER_MANUAL, ID_PREDIFFER_AUTO, OnUpdatePluginPrediffMode)
-       ON_UPDATE_COMMAND_UI(ID_RELOAD_PLUGINS, OnUpdateReloadPlugins)
+       ON_UPDATE_COMMAND_UI(ID_OPEN_WITH_UNPACKER, OnUpdatePluginRelatedMenu)
+       ON_UPDATE_COMMAND_UI(ID_APPLY_PREDIFFER, OnUpdatePluginRelatedMenu)
+       ON_UPDATE_COMMAND_UI(ID_TRANSFORM_WITH_SCRIPT, OnUpdatePluginRelatedMenu)
+       ON_UPDATE_COMMAND_UI(ID_RELOAD_PLUGINS, OnUpdatePluginRelatedMenu)
        ON_COMMAND(ID_RELOAD_PLUGINS, OnReloadPlugins)
        ON_COMMAND(ID_HELP_GETCONFIG, OnSaveConfigData)
-       ON_COMMAND(ID_FILE_NEW, OnFileNew)
-       ON_COMMAND(ID_FILE_NEW3, OnFileNew3)
+       ON_COMMAND(ID_FILE_NEW, (OnFileNew<2, ID_MERGE_COMPARE_TEXT>))
+       ON_COMMAND(ID_FILE_NEW_TABLE, (OnFileNew<2, ID_MERGE_COMPARE_TABLE>))
+       ON_COMMAND(ID_FILE_NEW_HEX, (OnFileNew<2, ID_MERGE_COMPARE_HEX>))
+       ON_COMMAND(ID_FILE_NEW_IMAGE, (OnFileNew<2, ID_MERGE_COMPARE_IMAGE>))
+       ON_COMMAND(ID_FILE_NEW3, (OnFileNew<3, ID_MERGE_COMPARE_TEXT>))
+       ON_COMMAND(ID_FILE_NEW3_TABLE, (OnFileNew<2, ID_MERGE_COMPARE_TABLE>))
+       ON_COMMAND(ID_FILE_NEW3_HEX, (OnFileNew<3, ID_MERGE_COMPARE_HEX>))
+       ON_COMMAND(ID_FILE_NEW3_IMAGE, (OnFileNew<3, ID_MERGE_COMPARE_IMAGE>))
        ON_COMMAND(ID_TOOLS_FILTERS, OnToolsFilters)
        ON_COMMAND(ID_VIEW_STATUS_BAR, OnViewStatusBar)
        ON_UPDATE_COMMAND_UI(ID_VIEW_TAB_BAR, OnUpdateViewTabBar)
@@ -216,20 +230,39 @@ BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
        ON_COMMAND(ID_FILE_OPENCONFLICT, OnFileOpenConflict)
        ON_COMMAND(ID_PLUGINS_LIST, OnPluginsList)
        ON_UPDATE_COMMAND_UI(ID_STATUS_PLUGIN, OnUpdatePluginName)
-       ON_NOTIFY(TBN_DROPDOWN, AFX_IDW_TOOLBAR, OnDiffOptionsDropDown)
-       ON_COMMAND_RANGE(IDC_DIFF_WHITESPACE_COMPARE, IDC_DIFF_WHITESPACE_IGNOREALL, OnDiffWhitespace)
-       ON_UPDATE_COMMAND_UI_RANGE(IDC_DIFF_WHITESPACE_COMPARE, IDC_DIFF_WHITESPACE_IGNOREALL, OnUpdateDiffWhitespace)
-       ON_COMMAND(IDC_DIFF_CASESENSITIVE, OnDiffCaseSensitive)
-       ON_UPDATE_COMMAND_UI(IDC_DIFF_CASESENSITIVE, OnUpdateDiffCaseSensitive)
-       ON_COMMAND(IDC_DIFF_IGNOREEOL, OnDiffIgnoreEOL)
-       ON_UPDATE_COMMAND_UI(IDC_DIFF_IGNOREEOL, OnUpdateDiffIgnoreEOL)
-       ON_COMMAND(IDC_RECURS_CHECK, OnIncludeSubfolders)
-       ON_UPDATE_COMMAND_UI(IDC_RECURS_CHECK, OnUpdateIncludeSubfolders)
-       ON_COMMAND_RANGE(ID_COMPMETHOD_FULL_CONTENTS, ID_COMPMETHOD_SIZE, OnCompareMethod)
-       ON_UPDATE_COMMAND_UI_RANGE(ID_COMPMETHOD_FULL_CONTENTS, ID_COMPMETHOD_SIZE, OnUpdateCompareMethod)
+       ON_NOTIFY(TBN_DROPDOWN, AFX_IDW_TOOLBAR, OnToolbarButtonDropDown)
+       ON_COMMAND_RANGE(ID_DIFF_OPTIONS_WHITESPACE_COMPARE, ID_DIFF_OPTIONS_WHITESPACE_IGNOREALL, OnDiffWhitespace)
+       ON_UPDATE_COMMAND_UI_RANGE(ID_DIFF_OPTIONS_WHITESPACE_COMPARE, ID_DIFF_OPTIONS_WHITESPACE_IGNOREALL, OnUpdateDiffWhitespace)
+       ON_COMMAND(ID_DIFF_OPTIONS_IGNORE_BLANKLINES, OnDiffIgnoreBlankLines)
+       ON_UPDATE_COMMAND_UI(ID_DIFF_OPTIONS_IGNORE_BLANKLINES, OnUpdateDiffIgnoreBlankLines)
+       ON_COMMAND(ID_DIFF_OPTIONS_IGNORE_CASE, OnDiffIgnoreCase)
+       ON_UPDATE_COMMAND_UI(ID_DIFF_OPTIONS_IGNORE_CASE, OnUpdateDiffIgnoreCase)
+       ON_COMMAND(ID_DIFF_OPTIONS_IGNORE_EOL, OnDiffIgnoreEOL)
+       ON_UPDATE_COMMAND_UI(ID_DIFF_OPTIONS_IGNORE_EOL, OnUpdateDiffIgnoreEOL)
+       ON_COMMAND(ID_DIFF_OPTIONS_IGNORE_CODEPAGE, OnDiffIgnoreCP)
+       ON_UPDATE_COMMAND_UI(ID_DIFF_OPTIONS_IGNORE_CODEPAGE, OnUpdateDiffIgnoreCP)
+       ON_COMMAND(ID_DIFF_OPTIONS_IGNORE_COMMENTS, OnDiffIgnoreComments)
+       ON_UPDATE_COMMAND_UI(ID_DIFF_OPTIONS_IGNORE_COMMENTS, OnUpdateDiffIgnoreComments)
+       ON_COMMAND(ID_DIFF_OPTIONS_INCLUDE_SUBFOLDERS, OnIncludeSubfolders)
+       ON_UPDATE_COMMAND_UI(ID_DIFF_OPTIONS_INCLUDE_SUBFOLDERS, OnUpdateIncludeSubfolders)
+       ON_COMMAND_RANGE(ID_DIFF_OPTIONS_COMPMETHOD_FULL_CONTENTS, ID_DIFF_OPTIONS_COMPMETHOD_SIZE, OnCompareMethod)
+       ON_UPDATE_COMMAND_UI_RANGE(ID_DIFF_OPTIONS_COMPMETHOD_FULL_CONTENTS, ID_DIFF_OPTIONS_COMPMETHOD_SIZE, OnUpdateCompareMethod)
        ON_COMMAND_RANGE(ID_MRU_FIRST, ID_MRU_LAST, OnMRUs)
        ON_UPDATE_COMMAND_UI(ID_MRU_FIRST, OnUpdateNoMRUs)
        ON_UPDATE_COMMAND_UI(ID_NO_MRU, OnUpdateNoMRUs)
+       ON_COMMAND(ID_FIRSTFILE, OnFirstFile)
+       ON_UPDATE_COMMAND_UI(ID_FIRSTFILE, OnUpdateFirstFile)
+       ON_COMMAND(ID_PREVFILE, OnPrevFile)
+       ON_UPDATE_COMMAND_UI(ID_PREVFILE, OnUpdatePrevFile)
+       ON_COMMAND(ID_NEXTFILE, OnNextFile)
+       ON_UPDATE_COMMAND_UI(ID_NEXTFILE, OnUpdateNextFile)
+       ON_COMMAND(ID_LASTFILE, OnLastFile)
+       ON_UPDATE_COMMAND_UI(ID_LASTFILE, OnUpdateLastFile)
+       ON_COMMAND(ID_ACCEL_QUIT, &CMainFrame::OnAccelQuit)
+       ON_MESSAGE(WMU_CHILDFRAMEADDED, &CMainFrame::OnChildFrameAdded)
+       ON_MESSAGE(WMU_CHILDFRAMEREMOVED, &CMainFrame::OnChildFrameRemoved)
+       ON_MESSAGE(WMU_CHILDFRAMEACTIVATE, &CMainFrame::OnChildFrameActivate)
+       ON_MESSAGE(WMU_CHILDFRAMEACTIVATED, &CMainFrame::OnChildFrameActivated)
        //}}AFX_MSG_MAP
 END_MESSAGE_MAP()
 
@@ -271,6 +304,8 @@ CMainFrame::CMainFrame()
 : m_bFirstTime(true)
 , m_pDropHandler(nullptr)
 , m_bShowErrors(false)
+, m_lfDiff(Options::Font::Load(GetOptionsMgr(), OPT_FONT_FILECMP))
+, m_lfDir(Options::Font::Load(GetOptionsMgr(), OPT_FONT_DIRCMP))
 {
 }
 
@@ -278,13 +313,12 @@ CMainFrame::~CMainFrame()
 {
        GetOptionsMgr()->SaveOption(OPT_TABBAR_AUTO_MAXWIDTH, m_wndTabBar.GetAutoMaxWidth());
        strdiff::Close();
+
+       m_arrChild.RemoveAll();
 }
 
-#ifdef _UNICODE
 const TCHAR CMainFrame::szClassName[] = _T("WinMergeWindowClassW");
-#else
-const TCHAR CMainFrame::szClassName[] = _T("WinMergeWindowClassA");
-#endif
+
 /**
  * @brief Change MainFrame window class name
  *        see http://support.microsoft.com/kb/403825/ja
@@ -315,9 +349,6 @@ int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
 
        m_wndMDIClient.SubclassWindow(m_hWndMDIClient);
 
-       m_lfDiff = Options::Font::Load(GetOptionsMgr(), OPT_FONT_FILECMP);
-       m_lfDir = Options::Font::Load(GetOptionsMgr(), OPT_FONT_DIRCMP);
-       
        if (!CreateToolbar())
        {
                TRACE0("Failed to create toolbar\n");
@@ -340,7 +371,7 @@ int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
                return -1;      // fail to create
        }
        theApp.SetIndicators(m_wndStatusBar, StatusbarIndicators,
-                       countof(StatusbarIndicators));
+                       static_cast<int>(std::size(StatusbarIndicators)));
 
        const int lpx = CClientDC(this).GetDeviceCaps(LOGPIXELSX);
        auto pointToPixel = [lpx](int point) { return MulDiv(point, lpx, 72); };
@@ -355,51 +386,62 @@ int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
        m_pDropHandler = new DropHandler(std::bind(&CMainFrame::OnDropFiles, this, std::placeholders::_1));
        RegisterDragDrop(m_hWnd, m_pDropHandler);
 
+       m_wndMDIClient.ModifyStyleEx(WS_EX_CLIENTEDGE, 0);
+
        return 0;
 }
 
+void CMainFrame::OnTimer(UINT_PTR nIDEvent)
+{
+       CMDIFrameWnd::OnTimer(nIDEvent);
+
+       if (nIDEvent == IDT_UPDATEMAINMENU)
+       {
+               KillTimer(nIDEvent);
+
+               BOOL bMaximized;
+               MDIGetActive(&bMaximized);
+
+               // When MDI maximized the window icon is drawn on the menu bar, so we
+               // need to notify it that our icon has changed.
+               if (bMaximized)
+                       DrawMenuBar();
+
+               OnUpdateFrameTitle(FALSE);
+       }
+}
+
 void CMainFrame::OnDestroy(void)
 {
        if (m_pDropHandler != nullptr)
                RevokeDragDrop(m_hWnd);
 }
 
-static HMENU GetSubmenu(HMENU mainMenu, UINT nIDFirstMenuItem, bool bFirstSubmenu)
+static HMENU GetSubmenu(HMENU menu, int nthSubmenu)
 {
-       int i;
-       for (i = 0 ; i < ::GetMenuItemCount(mainMenu) ; i++)
-               if (::GetMenuItemID(::GetSubMenu(mainMenu, i), 0) == nIDFirstMenuItem)
-                       break;
-       HMENU menu = ::GetSubMenu(mainMenu, i);
-
-       if (!bFirstSubmenu)
+       for (int nth = 0, i = 0; i < ::GetMenuItemCount(menu); i++)
        {
-               // look for last submenu
-               for (i = ::GetMenuItemCount(menu) ; i >= 0  ; i--)
-                       if (::GetSubMenu(menu, i) != nullptr)
-                               return ::GetSubMenu(menu, i);
-       }
-       else
-       {
-               // look for first submenu
-               for (i = 0 ; i < ::GetMenuItemCount(menu) ; i++)
-                       if (::GetSubMenu(menu, i) != nullptr)
+               if (::GetSubMenu(menu, i) != nullptr)
+               {
+                       if (nth == nthSubmenu)
                                return ::GetSubMenu(menu, i);
+                       nth++;
+               }
        }
-
        // error, submenu not found
        return nullptr;
 }
 
-/** 
- * @brief Find the scripts submenu from the main menu
- * As now this is the first submenu in "Edit" menu
- * We find the "Edit" menu by looking for a menu 
- *  starting with ID_EDIT_UNDO.
- */
-HMENU CMainFrame::GetScriptsSubmenu(HMENU mainMenu)
+static HMENU GetSubmenu(HMENU mainMenu, UINT nIDFirstMenuItem, int nthSubmenu)
 {
-       return GetSubmenu(mainMenu, ID_PLUGINS_LIST, false);
+       int i;
+       for (i = 0 ; i < ::GetMenuItemCount(mainMenu) ; i++)
+               if (::GetMenuItemID(::GetSubMenu(mainMenu, i), 0) == nIDFirstMenuItem)
+                       break;
+       HMENU menu = ::GetSubMenu(mainMenu, i);
+       if (!menu)
+               return nullptr;
+       return GetSubmenu(menu, nthSubmenu);
 }
 
 /**
@@ -410,7 +452,7 @@ HMENU CMainFrame::GetScriptsSubmenu(HMENU mainMenu)
  */
 HMENU CMainFrame::GetPrediffersSubmenu(HMENU mainMenu)
 {
-       return GetSubmenu(mainMenu, ID_PLUGINS_LIST, true);
+       return GetSubmenu(mainMenu, ID_PLUGINS_LIST, 1);
 }
 
 /**
@@ -421,7 +463,7 @@ HMENU CMainFrame::GetPrediffersSubmenu(HMENU mainMenu)
  */
 HMENU CMainFrame::NewMenu(int view, int ID)
 {
-       int menu_view, index;
+       int menu_view;
        if (m_pMenus[view] == nullptr)
        {
                m_pMenus[view].reset(new BCMenu());
@@ -451,17 +493,17 @@ HMENU CMainFrame::NewMenu(int view, int ID)
 
        if (view == MENU_IMGMERGEVIEW)
        {
-               BCMenu *pMenu = new BCMenu;
-               pMenu->LoadMenu(MAKEINTRESOURCE(IDR_POPUP_IMGMERGEVIEW));
-               m_pMenus[view]->InsertMenu(4, MF_BYPOSITION | MF_POPUP, (UINT_PTR)pMenu->GetSubMenu(0)->m_hMenu, const_cast<TCHAR *>(LoadResString(IDS_IMAGE_MENU).c_str())); 
+               m_pImageMenu.reset(new BCMenu);
+               m_pImageMenu->LoadMenu(MAKEINTRESOURCE(IDR_POPUP_IMGMERGEVIEW));
+               m_pMenus[view]->InsertMenu(4, MF_BYPOSITION | MF_POPUP, (UINT_PTR)m_pImageMenu->GetSubMenu(0)->m_hMenu, const_cast<TCHAR *>(LoadResString(IDS_IMAGE_MENU).c_str())); 
        }
 
        // Load bitmaps to menuitems
-       for (index = 0; index < countof(m_MenuIcons); index ++)
+       for (auto& menu_icon: m_MenuIcons)
        {
-               if (menu_view == (m_MenuIcons[index].menusToApply & menu_view))
+               if (menu_view == (menu_icon.menusToApply & menu_view))
                {
-                       m_pMenus[view]->ModifyODMenu(nullptr, m_MenuIcons[index].menuitemID, m_MenuIcons[index].iconResID);
+                       m_pMenus[view]->ModifyODMenu(nullptr, menu_icon.menuitemID, menu_icon.iconResID);
                }
        }
 
@@ -567,15 +609,70 @@ LRESULT CMainFrame::OnMenuChar(UINT nChar, UINT nFlags,
  */
 void CMainFrame::OnInitMenuPopup(CMenu* pPopupMenu, UINT nIndex, BOOL bSysMenu) 
 {
-       CMDIFrameWnd::OnInitMenuPopup(pPopupMenu, nIndex, bSysMenu);
-       
        if (!bSysMenu)
        {
+               if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               {
+                       PathContext paths;
+                       for (int i = 0; i < pMergeDoc->GetFileCount(); ++i)
+                               paths.SetPath(i, pMergeDoc->GetPath(i));
+                       String filteredFilenames = strutils::join(paths.begin(), paths.end(), _T("|"));
+                       unsigned topMenuId = pPopupMenu->GetMenuItemID(0);
+                       if (topMenuId == ID_NO_PREDIFFER)
+                       {
+                               UpdatePrediffersMenu();
+                       }
+                       else if (topMenuId == ID_MERGE_COMPARE_TEXT)
+                       {
+                               CMenu* pMenu = pPopupMenu;
+                               // empty the menu
+                               for (int i = pMenu->GetMenuItemCount() - 1; i > (ID_MERGE_COMPARE_IMAGE - ID_MERGE_COMPARE_TEXT); --i)
+                                       pMenu->DeleteMenu(i, MF_BYPOSITION);
+
+                               CMainFrame::AppendPluginMenus(pMenu, filteredFilenames, FileTransform::UnpackerEventNames, true, ID_UNPACKERS_FIRST);
+                       }
+                       else if (topMenuId == ID_NO_EDIT_SCRIPTS)
+                       {
+                               CMenu* pMenu = pPopupMenu;
+                               ASSERT(pMenu != nullptr);
+
+                               // empty the menu
+                               int i = pMenu->GetMenuItemCount();
+                               while (i--)
+                                       pMenu->DeleteMenu(0, MF_BYPOSITION);
+
+                               CMainFrame::AppendPluginMenus(pMenu, filteredFilenames, FileTransform::EditorScriptEventNames, false, ID_SCRIPT_FIRST);
+                       }
+                       else if (topMenuId == ID_PLUGINS_LIST)
+                       {
+                               for (int j = 0; j < 2; j++)
+                               {
+                                       CMenu* pMenu = pPopupMenu->GetSubMenu((j == 0) ? 8 : (pPopupMenu->GetMenuItemCount() - 4));
+                                       ASSERT(pMenu != nullptr);
+
+                                       // empty the menu
+                                       int i = pMenu->GetMenuItemCount();
+                                       while (i--)
+                                               pMenu->DeleteMenu(0, MF_BYPOSITION);
+
+                                       if (j == 0)
+                                               CMainFrame::AppendPluginMenus(pMenu, filteredFilenames, FileTransform::UnpackerEventNames, false, ID_UNPACKERS_FIRST);
+                                       else
+                                               CMainFrame::AppendPluginMenus(pMenu, filteredFilenames, FileTransform::EditorScriptEventNames, false, ID_SCRIPT_FIRST);
+                               }
+                       }
+               }
+
+               CMDIFrameWnd::OnInitMenuPopup(pPopupMenu, nIndex, bSysMenu);
                if (BCMenu::IsMenu(pPopupMenu))
                {
                        BCMenu::UpdateMenu(pPopupMenu);
                }
        }
+       else
+       {
+               CMDIFrameWnd::OnInitMenuPopup(pPopupMenu, nIndex, bSysMenu);
+       }
 }
 
 /////////////////////////////////////////////////////////////////////////////
@@ -583,7 +680,7 @@ void CMainFrame::OnInitMenuPopup(CMenu* pPopupMenu, UINT nIndex, BOOL bSysMenu)
 
 void CMainFrame::OnFileOpen() 
 {
-       DoFileOpen();
+       DoFileOrFolderOpen();
 }
 
 /**
@@ -594,28 +691,67 @@ void CMainFrame::OnFileOpen()
 static void
 FileLocationGuessEncodings(FileLocation & fileloc, int iGuessEncoding)
 {
-       fileloc.encoding = GuessCodepageEncoding(fileloc.filepath, iGuessEncoding);
+       fileloc.encoding = codepage_detect::Guess(fileloc.filepath, iGuessEncoding);
 }
 
 bool CMainFrame::ShowAutoMergeDoc(CDirDoc * pDirDoc,
        int nFiles, const FileLocation ifileloc[],
        const DWORD dwFlags[], const String strDesc[], const String& sReportFile /*= _T("")*/,
-       const PackingInfo * infoUnpacker /*= nullptr*/)
+       const PackingInfo * infoUnpacker /*= nullptr*/, const OpenTextFileParams* pOpenParams /*= nullptr*/)
 {
-       int pane;
+       ASSERT(pDirDoc != nullptr);
+
+       if (sReportFile.empty() && pDirDoc->CompareFilesIfFilesAreLarge(nFiles, ifileloc))
+               return false;
+
+       String unpackedFileExtension;
+       if (infoUnpacker && GetOptionsMgr()->GetBool(OPT_PLUGINS_ENABLED))
+       {
+               std::vector<String> filepaths(nFiles);
+               std::transform(ifileloc, ifileloc + nFiles, filepaths.begin(),
+                       [](auto& file) { return file.filepath; });
+               String filteredFilenames = strutils::join(filepaths.begin(), filepaths.end(), _T("|"));
+               unpackedFileExtension = infoUnpacker->GetUnpackedFileExtension(filteredFilenames);
+       }
        FileFilterHelper filterImg, filterBin;
        filterImg.UseMask(true);
        filterImg.SetMask(GetOptionsMgr()->GetString(OPT_CMP_IMG_FILEPATTERNS));
        filterBin.UseMask(true);
        filterBin.SetMask(GetOptionsMgr()->GetString(OPT_CMP_BIN_FILEPATTERNS));
-       for (pane = 0; pane < nFiles; ++pane)
+       for (int pane = 0; pane < nFiles; ++pane)
        {
-               if (filterImg.includeFile(ifileloc[pane].filepath) && CImgMergeFrame::IsLoadable())
+               String filepath = ifileloc[pane].filepath + unpackedFileExtension;
+               if (filterImg.includeFile(filepath) && CImgMergeFrame::IsLoadable())
                        return ShowImgMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags, strDesc, sReportFile, infoUnpacker);
-               else if (filterBin.includeFile(ifileloc[pane].filepath) && CHexMergeView::IsLoadable())
+               else if (filterBin.includeFile(filepath) && CHexMergeView::IsLoadable())
                        return ShowHexMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags, strDesc, sReportFile, infoUnpacker);
        }
-       return ShowMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags, strDesc, sReportFile, infoUnpacker);
+       return ShowTextOrTableMergeDoc({}, pDirDoc, nFiles, ifileloc, dwFlags, strDesc, sReportFile, infoUnpacker, pOpenParams);
+}
+
+bool CMainFrame::ShowMergeDoc(UINT nID, CDirDoc* pDirDoc,
+       int nFiles, const FileLocation ifileloc[],
+       const DWORD dwFlags[], const String strDesc[], const String& sReportFile /*= _T("")*/,
+       const PackingInfo* infoUnpacker /*= nullptr*/, const OpenTextFileParams* pOpenParams /*= nullptr*/)
+{
+       switch (nID)
+       {
+       case ID_MERGE_COMPARE_TEXT:
+               return ShowTextMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker, pOpenParams);
+       case ID_MERGE_COMPARE_TABLE:
+               return ShowTableMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker, pOpenParams);
+       case ID_MERGE_COMPARE_HEX:
+               return ShowHexMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker);
+       case ID_MERGE_COMPARE_IMAGE:
+               return ShowImgMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker);
+       default:
+               return ShowAutoMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker, pOpenParams);
+       }
 }
 
 std::array<bool, 3> GetROFromFlags(int nFiles, const DWORD dwFlags[])
@@ -650,10 +786,10 @@ int GetActivePaneFromFlags(int nFiles, const DWORD dwFlags[])
  * @param [in] infoUnpacker Plugin info.
  * @return success/failure
  */
-bool CMainFrame::ShowMergeDoc(CDirDoc * pDirDoc,
+bool CMainFrame::ShowTextOrTableMergeDoc(std::optional<bool> table, CDirDoc * pDirDoc,
        int nFiles, const FileLocation ifileloc[],
        const DWORD dwFlags[], const String strDesc[], const String& sReportFile /*= _T("")*/,
-       const PackingInfo * infoUnpacker /*= nullptr*/)
+       const PackingInfo * infoUnpacker /*= nullptr*/, const OpenTextFileParams* pOpenParams /*= nullptr*/)
 {
        if (m_pMenus[MENU_MERGEVIEW] == nullptr)
                theApp.m_pDiffTemplate->m_hMenuShared = NewMergeViewMenu();
@@ -683,38 +819,24 @@ bool CMainFrame::ShowMergeDoc(CDirDoc * pDirDoc,
                {
                        FileLocationGuessEncodings(fileloc[pane], iGuessEncodingType);
                }
+       }
 
-               // TODO (Perry, 2005-12-04)
-               // Should we do any unification if unicodings are different?
-
-
-#ifndef _UNICODE
-               // In ANSI (8-bit) build, character loss can occur in merging
-               // if the two buffers use different encodings
-               if (pane > 0 && fileloc[pane - 1].encoding.m_codepage != fileloc[pane].encoding.m_codepage)
-               {
-                       CString msg;
-                       msg.Format(theApp.LoadString(IDS_SUGGEST_IGNORECODEPAGE).c_str(), fileloc[pane - 1].encoding.m_codepage,fileloc[pane].encoding.m_codepage);
-                       int msgflags = MB_YESNO | MB_ICONQUESTION | MB_DONT_ASK_AGAIN;
-                       // Two files with different codepages
-                       // Warn and propose to use the default codepage for both
-                       int userChoice = AfxMessageBox(msg, msgflags);
-                       if (userChoice == IDYES)
-                       {
-                               fileloc[pane - 1].encoding.SetCodepage(ucr::getDefaultCodepage());
-                               fileloc[pane - 1].encoding.m_bom = false;
-                               fileloc[pane].encoding.SetCodepage(ucr::getDefaultCodepage());
-                               fileloc[pane].encoding.m_bom = false;
-                       }
-               }
-#endif
+       pMergeDoc->SetEnableTableEditing(table);
+       if (pOpenParams && table.value_or(false))
+       {
+               CMergeDoc::TableProps props = CMergeDoc::GetTablePropertiesByFileName(
+                       pOpenParams->m_fileExt.empty() ? fileloc[0].filepath : pOpenParams->m_fileExt, true, false);
+               props.delimiter = pOpenParams->m_tableDelimiter.value_or(props.delimiter);
+               props.quote = pOpenParams->m_tableQuote.value_or(props.quote);
+               props.allowNewlinesInQuotes = pOpenParams->m_tableAllowNewlinesInQuotes.value_or(props.allowNewlinesInQuotes);
+               pMergeDoc->SetTableProperties(props);
        }
 
        // Note that OpenDocs() takes care of closing compare window when needed.
        bool bResult = pMergeDoc->OpenDocs(nFiles, fileloc, GetROFromFlags(nFiles, dwFlags).data(), strDesc);
        if (bResult)
        {
-               if (CChildFrame *pFrame = pMergeDoc->GetParentFrame())
+               if (CMergeEditFrame *pFrame = pMergeDoc->GetParentFrame())
                        if (!pFrame->IsActivated())
                                pFrame->InitialUpdateFrame(pMergeDoc, true);
        }
@@ -723,6 +845,9 @@ bool CMainFrame::ShowMergeDoc(CDirDoc * pDirDoc,
                return false;
        }
 
+       if (pOpenParams && !pOpenParams->m_fileExt.empty())
+               pMergeDoc->SetTextType(pOpenParams->m_fileExt);
+
        for (int pane = 0; pane < nFiles; pane++)
        {
                if (dwFlags)
@@ -740,7 +865,7 @@ bool CMainFrame::ShowMergeDoc(CDirDoc * pDirDoc,
                }
        }
 
-       pMergeDoc->MoveOnLoad(GetActivePaneFromFlags(nFiles, dwFlags));
+       pMergeDoc->MoveOnLoad(GetActivePaneFromFlags(nFiles, dwFlags), pOpenParams ? pOpenParams->m_line : -1, true);
 
        if (!sReportFile.empty())
                pMergeDoc->GenerateReport(sReportFile);
@@ -748,6 +873,22 @@ bool CMainFrame::ShowMergeDoc(CDirDoc * pDirDoc,
        return true;
 }
 
+bool CMainFrame::ShowTextMergeDoc(CDirDoc* pDirDoc,
+       int nFiles, const FileLocation ifileloc[],
+       const DWORD dwFlags[], const String strDesc[], const String& sReportFile /*= _T("")*/,
+       const PackingInfo* infoUnpacker /*= nullptr*/, const OpenTextFileParams* pOpenParams /*= nullptr*/)
+{
+       return ShowTextOrTableMergeDoc(false, pDirDoc, nFiles, ifileloc, dwFlags, strDesc, sReportFile, infoUnpacker, pOpenParams); 
+}
+
+bool CMainFrame::ShowTableMergeDoc(CDirDoc* pDirDoc,
+       int nFiles, const FileLocation ifileloc[],
+       const DWORD dwFlags[], const String strDesc[], const String& sReportFile /*= _T("")*/,
+       const PackingInfo* infoUnpacker /*= nullptr*/, const OpenTextFileParams* pOpenParams /*= nullptr*/)
+{
+       return ShowTextOrTableMergeDoc(true, pDirDoc, nFiles, ifileloc, dwFlags, strDesc, sReportFile, infoUnpacker, pOpenParams);
+}
+
 bool CMainFrame::ShowHexMergeDoc(CDirDoc * pDirDoc, int nFiles, const FileLocation fileloc[],
        const DWORD dwFlags[], const String strDesc[], const String& sReportFile /*= _T("")*/,
        const PackingInfo * infoUnpacker /*= nullptr*/)
@@ -758,6 +899,8 @@ bool CMainFrame::ShowHexMergeDoc(CDirDoc * pDirDoc, int nFiles, const FileLocati
        if (pHexMergeDoc == nullptr)
                return false;
 
+       pHexMergeDoc->SetUnpacker(infoUnpacker);
+
        if (!pHexMergeDoc->OpenDocs(nFiles, fileloc, GetROFromFlags(nFiles, dwFlags).data(), strDesc))
                return false;
 
@@ -777,12 +920,12 @@ bool CMainFrame::ShowImgMergeDoc(CDirDoc * pDirDoc, int nFiles, const FileLocati
        if (!CImgMergeFrame::menu.m_hMenu)
                CImgMergeFrame::menu.m_hMenu = NewImgMergeViewMenu();
        pImgMergeFrame->SetSharedMenu(CImgMergeFrame::menu.m_hMenu);
-
+       pImgMergeFrame->SetUnpacker(infoUnpacker);
        pImgMergeFrame->SetDirDoc(pDirDoc);
        pDirDoc->AddMergeDoc(pImgMergeFrame);
                
        if (!pImgMergeFrame->OpenDocs(nFiles, fileloc, GetROFromFlags(nFiles, dwFlags).data(), strDesc, this))
-               return ShowMergeDoc(pDirDoc, nFiles, fileloc, dwFlags, strDesc, sReportFile, infoUnpacker);
+               return false;
 
        for (int pane = 0; pane < nFiles; pane++)
        {
@@ -798,13 +941,36 @@ bool CMainFrame::ShowImgMergeDoc(CDirDoc * pDirDoc, int nFiles, const FileLocati
        return true;
 }
 
+bool CMainFrame::ShowTextMergeDoc(CDirDoc* pDirDoc, int nBuffers, const String text[],
+               const String strDesc[], const String& strFileExt, const OpenTextFileParams* pOpenParams /*= nullptr*/)
+{
+       FileLocation fileloc[3];
+       DWORD dwFlags[3] = {};
+       CDirDoc* pDirDoc2 = pDirDoc->GetMainView() ? pDirDoc :
+               static_cast<CDirDoc*>(theApp.m_pDirTemplate->CreateNewDocument());
+       for (int nBuffer = 0; nBuffer < nBuffers; ++nBuffer)
+       {
+               TempFilePtr wTemp(new TempFile());
+               String workFile = wTemp->Create(_T("text_"), strFileExt);
+               m_tempFiles.push_back(wTemp);
+               wTemp->Create(_T(""), strFileExt);
+               UniStdioFile file;
+               if (file.OpenCreateUtf8(workFile))
+               {
+                       file.WriteString(text[nBuffer]);
+               }
+               fileloc[nBuffer].setPath(workFile);
+       }
+       return ShowTextMergeDoc(pDirDoc2, nBuffers, fileloc, dwFlags, strDesc, _T(""), nullptr, pOpenParams);
+}
+
 /**
  * @brief Show GNU licence information in notepad (local file) or in Web Browser
  */
 void CMainFrame::OnHelpGnulicense() 
 {
        const String spath = paths::ConcatPath(env::GetProgPath(), LicenseFile);
-       theApp.OpenFileOrUrl(spath.c_str(), LicenceUrl);
+       shell::OpenFileOrUrl(spath.c_str(), LicenceUrl);
 }
 
 /**
@@ -842,6 +1008,9 @@ void CMainFrame::OnOptions()
                String filterPath = GetOptionsMgr()->GetString(OPT_FILTER_USERPATH);
                theApp.m_pGlobalFileFilter->SetUserFilterPath(filterPath);
 
+               CCrystalTextView::RENDERING_MODE nRenderingMode = static_cast<CCrystalTextView::RENDERING_MODE>(GetOptionsMgr()->GetInt(OPT_RENDERING_MODE));
+               CCrystalTextView::SetRenderingModeDefault(nRenderingMode);
+
                theApp.UpdateCodepageModule();
 
                strdiff::SetBreakChars(GetOptionsMgr()->GetString(OPT_BREAK_SEPARATORS).c_str());
@@ -859,20 +1028,28 @@ void CMainFrame::OnOptions()
        }
 }
 
-static bool AddToRecentDocs(const PathContext& paths, const unsigned flags[], bool recurse, const String& filter)
+static bool AddToRecentDocs(const PathContext& paths,
+       const unsigned flags[], const String desc[],
+       bool recurse, const String& filter,
+       const PackingInfo *infoUnpacker, const PrediffingInfo *infoPrediffer,
+       UINT nID, const CMainFrame::OpenTextFileParams *pOpenParams)
 {
+       ASSERT(paths.GetSize() <= 3);
+       const TCHAR *lmr= (paths.GetSize() == 2) ? _T("lr") : _T("lmr");
        String params, title;
        for (int nIndex = 0; nIndex < paths.GetSize(); ++nIndex)
        {
-               if (flags && (flags[nIndex] & FFILEOPEN_READONLY))
+               if (flags)
                {
-                       switch (nIndex)
-                       {
-                       case 0: params += _T("/wl "); break;
-                       case 1: params += paths.GetSize() == 2 ? _T("/wr ") : _T("/wm "); break;
-                       case 2: params += _T("/wr "); break;
-                       }
+                       if (flags[nIndex] & FFILEOPEN_READONLY)
+                               params += strutils::format(_T("/w%c "), lmr[nIndex]);
+                       if (flags[nIndex] & FFILEOPEN_SETFOCUS)
+                               params += strutils::format(_T("/f%c "), lmr[nIndex]);
+                       if (flags[nIndex] & FFILEOPEN_AUTOMERGE)
+                               params += strutils::format(_T("/a%c "), lmr[nIndex]);
                }
+               if (desc && !desc[nIndex].empty())
+                       params += strutils::format(_T("/d%c \"%s\" "), lmr[nIndex], desc[nIndex]);
                params += _T("\"") + paths[nIndex] + _T("\" ");
 
                String path = paths[nIndex];
@@ -885,9 +1062,57 @@ static bool AddToRecentDocs(const PathContext& paths, const unsigned flags[], bo
                params += _T("/r ");
        if (!filter.empty())
                params += _T("/f \"") + filter + _T("\" ");
-       return JumpList::AddToRecentDocs(_T(""), params, title, params, 0);
-}
+       switch (nID)
+       {
+       case ID_MERGE_COMPARE_TEXT:  params += _T("/t text "); break;
+       case ID_MERGE_COMPARE_TABLE: params += _T("/t table "); break;
+       case ID_MERGE_COMPARE_HEX:   params += _T("/t binary "); break;
+       case ID_MERGE_COMPARE_IMAGE: params += _T("/t image "); break;
+       }
+       if (pOpenParams)
+       {
+               if (pOpenParams->m_line >= 0)
+                       params += strutils::format(_T("/l %d "), pOpenParams->m_line + 1);
+               if (!pOpenParams->m_fileExt.empty())
+                       params += _T("/fileext ") + pOpenParams->m_fileExt + _T(" ");
+               if (pOpenParams->m_tableDelimiter.has_value())
+               {
+                       String delim(1, *pOpenParams->m_tableDelimiter);
+                       if (*pOpenParams->m_tableDelimiter == '\t')
+                               delim = _T("tab");
+                       params += strutils::format(_T("/table-delimiter %s "), delim);
+               }
+               if (pOpenParams->m_tableQuote.has_value())
+               {
+                       String quote(1, *pOpenParams->m_tableQuote);
+                       if (*pOpenParams->m_tableQuote == '"')
+                               quote = _T("double-quote");
+                       params += strutils::format(_T("/table-quote %s "), quote);
+               }
+               if (pOpenParams->m_tableAllowNewlinesInQuotes.has_value())
+                       params += strutils::format(_T("/table-allownewlinesinquotes %d "), *pOpenParams->m_tableAllowNewlinesInQuotes);
+       }
+       if (infoUnpacker && !infoUnpacker->GetPluginPipeline().empty())
+       {
+               String pipeline = infoUnpacker->GetPluginPipeline();
+               strutils::replace(pipeline, _T("\""), _T("\"\""));
+               params += _T("/unpacker \"") + pipeline + _T("\" ");
+       }
+       if (infoPrediffer && !infoPrediffer->GetPluginPipeline().empty())
+       {
+               String pipeline = infoPrediffer->GetPluginPipeline();
+               strutils::replace(pipeline, _T("\""), _T("\"\""));
+               params += _T("/prediffer \"") + pipeline + _T("\" ");
+       }
 
+       Concurrent::CreateTask([params, title](){
+                       CoInitialize(nullptr);
+                       JumpList::AddToRecentDocs(_T(""), params, title, params, 0);
+                       CoUninitialize();
+                       return 0;
+               });
+       return true;
+}
 /**
  * @brief Begin a diff: open dirdoc if it is directories, else open a mergedoc for editing.
  * @param [in] pszLeft Left-side path.
@@ -896,18 +1121,21 @@ static bool AddToRecentDocs(const PathContext& paths, const unsigned flags[], bo
  * @param [in] dwRightFlags Right-side flags.
  * @param [in] bRecurse Do we run recursive (folder) compare?
  * @param [in] pDirDoc Dir compare document to use.
- * @param [in] prediffer Prediffer plugin name.
+ * @param [in] infoUnpacker Unpacker plugin name.
+ * @param [in] infoPrediffer Prediffer plugin name.
  * @return `true` if opening files and compare succeeded, `false` otherwise.
  */
-bool CMainFrame::DoFileOpen(const PathContext * pFiles /*= nullptr*/,
-       const DWORD dwFlags[] /*= nullptr*/, const String strDesc[] /*= nullptr*/, const String& sReportFile /*= T("")*/, bool bRecurse /*= false*/, CDirDoc *pDirDoc/*= nullptr*/,
-       String prediffer /*= _T("")*/, const PackingInfo *infoUnpacker /*= nullptr*/)
+bool CMainFrame::DoFileOrFolderOpen(const PathContext * pFiles /*= nullptr*/,
+       const DWORD dwFlags[] /*= nullptr*/, const String strDesc[] /*= nullptr*/, const String& sReportFile /*= T("")*/,
+       bool bRecurse /*= false*/, CDirDoc* pDirDoc/*= nullptr*/,
+       const PackingInfo *infoUnpacker /*= nullptr*/, const PrediffingInfo *infoPrediffer /*= nullptr*/,
+       UINT nID /*= 0*/, const OpenTextFileParams *pOpenParams /*= nullptr*/)
 {
        if (pDirDoc != nullptr && !pDirDoc->CloseMergeDocs())
                return false;
 
-       FileTransform::g_UnpackerMode = static_cast<PLUGIN_MODE>(GetOptionsMgr()->GetInt(OPT_PLUGINS_UNPACKER_MODE));
-       FileTransform::g_PredifferMode = static_cast<PLUGIN_MODE>(GetOptionsMgr()->GetInt(OPT_PLUGINS_PREDIFFER_MODE));
+       FileTransform::AutoUnpacking = GetOptionsMgr()->GetBool(OPT_PLUGINS_UNPACKER_MODE);
+       FileTransform::AutoPrediffing = GetOptionsMgr()->GetBool(OPT_PLUGINS_PREDIFFER_MODE);
 
        Merge7zFormatMergePluginScope scope(infoUnpacker);
 
@@ -938,7 +1166,7 @@ bool CMainFrame::DoFileOpen(const PathContext * pFiles /*= nullptr*/,
                pOpenDoc->m_files = tFiles;
                pOpenDoc->m_bRecurse = bRecurse;
                if (infoUnpacker)
-                       pOpenDoc->m_infoHandler = *infoUnpacker;
+                       pOpenDoc->m_strUnpackerPipeline = infoUnpacker->GetPluginPipeline();
                CFrameWnd *pFrame = theApp.m_pOpenTemplate->CreateNewFrame(pOpenDoc, nullptr);
                theApp.m_pOpenTemplate->InitialUpdateFrame(pFrame, pOpenDoc);
                return true;
@@ -969,7 +1197,7 @@ bool CMainFrame::DoFileOpen(const PathContext * pFiles /*= nullptr*/,
        }
 
        CTempPathContext *pTempPathContext = nullptr;
-       if (pathsType == paths::IS_EXISTING_DIR)
+       if (nID == 0 && pathsType == paths::IS_EXISTING_DIR)
        {
                DecompressResult res= DecompressArchive(m_hWnd, tFiles);
                if (res.pTempPathContext)
@@ -984,7 +1212,7 @@ bool CMainFrame::DoFileOpen(const PathContext * pFiles /*= nullptr*/,
        // an archive. Don't open a new dirview if we are comparing files.
        if (pDirDoc == nullptr)
        {
-               if (pathsType == paths::IS_EXISTING_DIR)
+               if (nID == 0 && pathsType == paths::IS_EXISTING_DIR)
                {
                        CDirDoc::m_nDirsTemp = tFiles.GetSize();
                        if (m_pMenus[MENU_DIRVIEW] == nullptr)
@@ -998,7 +1226,7 @@ bool CMainFrame::DoFileOpen(const PathContext * pFiles /*= nullptr*/,
        }
 
        // open the diff
-       if (pathsType == paths::IS_EXISTING_DIR)
+       if (nID == 0 && pathsType == paths::IS_EXISTING_DIR)
        {
                if (pDirDoc != nullptr)
                {
@@ -1022,25 +1250,48 @@ bool CMainFrame::DoFileOpen(const PathContext * pFiles /*= nullptr*/,
                for (int nPane = 0; nPane < tFiles.GetSize(); nPane++)
                        fileloc[nPane].setPath(tFiles[nPane]);
 
-               if (!prediffer.empty())
+               if (infoPrediffer && !infoPrediffer->GetPluginPipeline().empty())
                {
                        String strBothFilenames = strutils::join(tFiles.begin(), tFiles.end(), _T("|"));
-                       pDirDoc->GetPluginManager().SetPrediffer(strBothFilenames, prediffer);
+                       pDirDoc->GetPluginManager().SetPrediffer(strBothFilenames, infoPrediffer->GetPluginPipeline());
                }
 
-               ShowAutoMergeDoc(pDirDoc, tFiles.GetSize(), fileloc, dwFlags, strDesc, sReportFile,
-                               infoUnpacker);
+               ShowMergeDoc(nID, pDirDoc, tFiles.GetSize(), fileloc, dwFlags, strDesc, sReportFile,
+                               infoUnpacker, pOpenParams);
        }
 
        if (pFiles != nullptr && (!dwFlags || !(dwFlags[0] & FFILEOPEN_NOMRU)))
        {
                String filter = GetOptionsMgr()->GetString(OPT_FILEFILTER_CURRENT);
-               AddToRecentDocs(*pFiles, (unsigned *)dwFlags, bRecurse, filter);
+               AddToRecentDocs(*pFiles, (unsigned *)dwFlags, strDesc, bRecurse, filter, infoUnpacker, infoPrediffer, nID, pOpenParams);
        }
 
        return true;
 }
 
+bool CMainFrame::DoFileOpen(UINT nID, const PathContext* pFiles,
+       const DWORD dwFlags[] /*= nullptr*/, const String strDesc[] /*= nullptr*/,
+       const String& sReportFile /*= _T("")*/,
+       const PackingInfo *infoUnpacker /*= nullptr*/, const PrediffingInfo *infoPrediffer /*= nullptr*/,
+       const OpenTextFileParams *pOpenParams /*= nullptr*/)
+{
+       ASSERT(pFiles != nullptr);
+       CDirDoc* pDirDoc = static_cast<CDirDoc*>(theApp.m_pDirTemplate->CreateNewDocument());
+       FileLocation fileloc[3];
+       for (int pane = 0; pane < pFiles->GetSize(); pane++)
+               fileloc[pane].setPath((*pFiles)[pane]);
+       if (infoPrediffer && !infoPrediffer->GetPluginPipeline().empty())
+       {
+               String strBothFilenames = strutils::join(pFiles->begin(), pFiles->end(), _T("|"));
+               pDirDoc->GetPluginManager().SetPrediffer(strBothFilenames, infoPrediffer->GetPluginPipeline());
+       }
+       bool result = ShowMergeDoc(nID, pDirDoc, pFiles->GetSize(), fileloc,
+               dwFlags, strDesc, sReportFile, infoUnpacker, pOpenParams);
+       if (!dwFlags || !(dwFlags[0] & FFILEOPEN_NOMRU))
+               AddToRecentDocs(*pFiles, (unsigned *)dwFlags, strDesc, false, _T(""), infoUnpacker, infoPrediffer, nID, pOpenParams);
+       return result;
+}
+
 void CMainFrame::UpdateFont(FRAMETYPE frame)
 {
        if (frame == FRAME_FOLDER)
@@ -1140,6 +1391,8 @@ void CMainFrame::UpdateResources()
                pDoc->UpdateResources();
        for (auto pDoc : GetAllOpenDocs())
                pDoc->UpdateResources();
+       for (auto pFrame: GetAllImgMergeFrames())
+               pFrame->UpdateResources();
 }
 
 /**
@@ -1173,7 +1426,7 @@ void CMainFrame::ActivateFrame(int nCmdShow)
 
        m_bFirstTime = false;
 
-       WINDOWPLACEMENT wp;
+       WINDOWPLACEMENT wp = {};
        wp.length = sizeof(WINDOWPLACEMENT);
        GetWindowPlacement(&wp);
        wp.rcNormalPosition.left=theApp.GetProfileInt(_T("Settings"), _T("MainLeft"),0);
@@ -1231,7 +1484,7 @@ void CMainFrame::OnClose()
        GetOptionsMgr()->SaveOption(OPT_FILEFILTER_CURRENT, filter);
 
        // save main window position
-       WINDOWPLACEMENT wp;
+       WINDOWPLACEMENT wp = {};
        wp.length = sizeof(WINDOWPLACEMENT);
        GetWindowPlacement(&wp);
        theApp.WriteProfileInt(_T("Settings"), _T("MainLeft"),wp.rcNormalPosition.left);
@@ -1240,17 +1493,10 @@ void CMainFrame::OnClose()
        theApp.WriteProfileInt(_T("Settings"), _T("MainBottom"),wp.rcNormalPosition.bottom);
        theApp.WriteProfileInt(_T("Settings"), _T("MainMax"), (wp.showCmd == SW_MAXIMIZE));
 
-       // Close Non-Document/View frame with confirmation
-       CMDIChildWnd *pChild = static_cast<CMDIChildWnd *>(CWnd::FromHandle(m_hWndMDIClient)->GetWindow(GW_CHILD));
-       while (pChild != nullptr)
+       for (auto pFrame: GetAllImgMergeFrames())
        {
-               CMDIChildWnd *pNextChild = static_cast<CMDIChildWnd *>(pChild->GetWindow(GW_HWNDNEXT));
-               if (GetFrameType(pChild) == FRAME_IMGFILE)
-               {
-                       if (!static_cast<CImgMergeFrame *>(pChild)->CloseNow())
-                               return;
-               }
-               pChild = pNextChild;
+               if (!pFrame->CloseNow())
+                       return;
        }
 
        CMDIFrameWnd::OnClose();
@@ -1313,6 +1559,21 @@ HexMergeDocList &CMainFrame::GetAllHexMergeDocs()
        return static_cast<HexMergeDocList &>(GetDocList(theApp.m_pHexMergeTemplate));
 }
 
+std::list<CImgMergeFrame *> CMainFrame::GetAllImgMergeFrames()
+{
+       std::list<CImgMergeFrame *> list;
+       // Close Non-Document/View frame with confirmation
+       CMDIChildWnd *pChild = static_cast<CMDIChildWnd *>(CWnd::FromHandle(m_hWndMDIClient)->GetWindow(GW_CHILD));
+       while (pChild != nullptr)
+       {
+               CMDIChildWnd *pNextChild = static_cast<CMDIChildWnd *>(pChild->GetWindow(GW_HWNDNEXT));
+               if (GetFrameType(pChild) == FRAME_IMGFILE)
+                       list.push_back(static_cast<CImgMergeFrame *>(pChild));
+               pChild = pNextChild;
+       }
+       return list;
+}
+
 /**
  * @brief Obtain a merge doc to display a difference in files.
  * @return Pointer to CMergeDoc to use. 
@@ -1355,8 +1616,10 @@ void CMainFrame::OnDropFiles(const std::vector<String>& dropped_files)
        PathContext tFiles(dropped_files);
        const size_t fileCount = tFiles.GetSize();
 
-       // If Ctrl pressed, do recursive compare
-       bool recurse = !!::GetAsyncKeyState(VK_CONTROL) || GetOptionsMgr()->GetBool(OPT_CMP_INCLUDE_SUBDIRS);
+       bool recurse = GetOptionsMgr()->GetBool(OPT_CMP_INCLUDE_SUBDIRS);
+       // Do a reverse comparison with the current 'Include Subfolders' settings when pressing Control key
+       if (::GetAsyncKeyState(VK_CONTROL) & 0x8000)
+               recurse = !recurse;
 
        // If user has <Shift> pressed with one file selected,
        // assume it is an archive and set filenames to same
@@ -1381,7 +1644,7 @@ void CMainFrame::OnDropFiles(const std::vector<String>& dropped_files)
                }
        }
 
-       DoFileOpen(&tFiles, dwFlags, nullptr, _T(""), recurse);
+       DoFileOrFolderOpen(&tFiles, dwFlags, nullptr, _T(""), recurse);
 }
 
 void CMainFrame::OnPluginUnpackMode(UINT nID )
@@ -1389,13 +1652,18 @@ void CMainFrame::OnPluginUnpackMode(UINT nID )
        switch (nID)
        {
        case ID_UNPACK_MANUAL:
-               FileTransform::g_UnpackerMode = PLUGIN_MANUAL;
+               FileTransform::AutoUnpacking = false;
                break;
        case ID_UNPACK_AUTO:
-               FileTransform::g_UnpackerMode = PLUGIN_AUTO;
+               FileTransform::AutoUnpacking = true;
                break;
        }
-       GetOptionsMgr()->SaveOption(OPT_PLUGINS_UNPACKER_MODE, FileTransform::g_UnpackerMode);
+       for (auto pDirDoc : GetAllDirDocs())
+       {
+               pDirDoc->GetPluginManager().SetUnpackerSettingAll(FileTransform::AutoUnpacking);
+               pDirDoc->UpdateAllViews(nullptr);
+       }
+       GetOptionsMgr()->SaveOption(OPT_PLUGINS_UNPACKER_MODE, static_cast<int>(FileTransform::AutoUnpacking));
 }
 
 void CMainFrame::OnUpdatePluginUnpackMode(CCmdUI* pCmdUI) 
@@ -1403,27 +1671,31 @@ void CMainFrame::OnUpdatePluginUnpackMode(CCmdUI* pCmdUI)
        pCmdUI->Enable(GetOptionsMgr()->GetBool(OPT_PLUGINS_ENABLED));
 
        if (pCmdUI->m_nID == ID_UNPACK_MANUAL)
-               pCmdUI->SetRadio(PLUGIN_MANUAL == FileTransform::g_UnpackerMode);
+               pCmdUI->SetRadio(!FileTransform::AutoUnpacking);
        if (pCmdUI->m_nID == ID_UNPACK_AUTO)
-               pCmdUI->SetRadio(PLUGIN_AUTO == FileTransform::g_UnpackerMode);
+               pCmdUI->SetRadio(FileTransform::AutoUnpacking);
 }
+
 void CMainFrame::OnPluginPrediffMode(UINT nID )
 {
        switch (nID)
        {
        case ID_PREDIFFER_MANUAL:
-               FileTransform::g_PredifferMode = PLUGIN_MANUAL;
+               FileTransform::AutoPrediffing = false;
                break;
        case ID_PREDIFFER_AUTO:
-               FileTransform::g_PredifferMode = PLUGIN_AUTO;
+               FileTransform::AutoPrediffing = true;
                break;
        }
        PrediffingInfo infoPrediffer;
        for (auto pMergeDoc : GetAllMergeDocs())
                pMergeDoc->SetPrediffer(&infoPrediffer);
        for (auto pDirDoc : GetAllDirDocs())
-               pDirDoc->GetPluginManager().SetPrediffSettingAll(FileTransform::g_PredifferMode);
-       GetOptionsMgr()->SaveOption(OPT_PLUGINS_PREDIFFER_MODE, FileTransform::g_PredifferMode);
+       {
+               pDirDoc->GetPluginManager().SetPrediffSettingAll(FileTransform::AutoPrediffing);
+               pDirDoc->UpdateAllViews(nullptr);
+       }
+       GetOptionsMgr()->SaveOption(OPT_PLUGINS_PREDIFFER_MODE, FileTransform::AutoPrediffing);
 }
 
 void CMainFrame::OnUpdatePluginPrediffMode(CCmdUI* pCmdUI) 
@@ -1431,28 +1703,23 @@ void CMainFrame::OnUpdatePluginPrediffMode(CCmdUI* pCmdUI)
        pCmdUI->Enable(GetOptionsMgr()->GetBool(OPT_PLUGINS_ENABLED));
 
        if (pCmdUI->m_nID == ID_PREDIFFER_MANUAL)
-               pCmdUI->SetRadio(PLUGIN_MANUAL == FileTransform::g_PredifferMode);
+               pCmdUI->SetRadio(!FileTransform::AutoPrediffing);
        if (pCmdUI->m_nID == ID_PREDIFFER_AUTO)
-               pCmdUI->SetRadio(PLUGIN_AUTO == FileTransform::g_PredifferMode);
+               pCmdUI->SetRadio(FileTransform::AutoPrediffing);
 }
 /**
  * @brief Called when "Reload Plugins" item is updated
  */
-void CMainFrame::OnUpdateReloadPlugins(CCmdUI* pCmdUI)
+void CMainFrame::OnUpdatePluginRelatedMenu(CCmdUI* pCmdUI)
 {
-       pCmdUI->Enable(GetOptionsMgr()->GetBool(OPT_PLUGINS_ENABLED));
+       bool enabled = GetOptionsMgr()->GetBool(OPT_PLUGINS_ENABLED);
+       if (enabled && (pCmdUI->m_nID == ID_APPLY_PREDIFFER || pCmdUI->m_nID == ID_TRANSFORM_WITH_SCRIPT))
+               enabled = GetFrameType(GetActiveFrame()) == FRAME_FILE;
+       pCmdUI->Enable(enabled);
 }
 
 void CMainFrame::OnReloadPlugins()
 {
-       // delete all script interfaces
-       // (interfaces will be created again automatically when WinMerge needs them)
-       CAllThreadsScripts::GetActiveSet()->FreeAllScripts();
-
-       // update the editor scripts submenu
-       HMENU scriptsSubmenu = GetScriptsSubmenu(m_hMenuDefault);
-       if (scriptsSubmenu != nullptr)
-               CMergeEditView::createScriptsSubmenu(scriptsSubmenu);
        UpdatePrediffersMenu();
 }
 
@@ -1461,12 +1728,12 @@ CMergeEditView * CMainFrame::GetActiveMergeEditView()
 {
        // NB: GetActiveDocument does not return the Merge Doc 
        //     even when the merge edit view is in front
-       // NB: CChildFrame::GetActiveView returns `nullptr` when location view active
+       // NB: CMergeEditFrame::GetActiveView returns `nullptr` when location view active
        // So we have this rather complicated logic to try to get a merge edit view
        // We look at the front child window, which should be a frame
-       // and we can get a MergeEditView from it, if it is a CChildFrame
+       // and we can get a MergeEditView from it, if it is a CMergeEditFrame
        // (DirViews use a different frame type)
-       CChildFrame * pFrame = dynamic_cast<CChildFrame *>(GetActiveFrame());
+       CMergeEditFrame * pFrame = dynamic_cast<CMergeEditFrame *>(GetActiveFrame());
        if (pFrame == nullptr) return nullptr;
        // Try to get the active MergeEditView (ie, left or right)
        if (pFrame->GetActiveView() != nullptr && pFrame->GetActiveView()->IsKindOf(RUNTIME_CLASS(CMergeEditView)))
@@ -1490,7 +1757,7 @@ void CMainFrame::UpdatePrediffersMenu()
        {
                CMergeEditView * pEditView = GetActiveMergeEditView();
                if (pEditView != nullptr)
-                       pEditView->createPrediffersSubmenu(prediffersSubmenu);
+                       pEditView->GetDocument()->createPrediffersSubmenu(prediffersSubmenu);
                else
                {
                        // no view or dir view : display an empty submenu
@@ -1513,7 +1780,7 @@ void CMainFrame::OnSaveConfigData()
        if (configLog.WriteLogFile(sError))
        {
                String sFileName = configLog.GetFileName();
-               theApp.OpenFileToExternalEditor(sFileName);
+               CMergeApp::OpenFileToExternalEditor(sFileName);
        }
        else
        {
@@ -1533,33 +1800,37 @@ void CMainFrame::OnSaveConfigData()
  * @sa CMergeDoc::OpenDocs()
  * @sa CMergeDoc::TrySaveAs()
  */
-void CMainFrame::FileNew(int nPanes) 
+bool CMainFrame::DoFileNew(UINT nID, int nPanes, const String strDesc[],
+       const PrediffingInfo *infoPrediffer /*= nullptr*/,
+       const OpenTextFileParams *pOpenParams)
 {
        CDirDoc *pDirDoc = static_cast<CDirDoc*>(theApp.m_pDirTemplate->CreateNewDocument());
        
        // Load emptyfile descriptors and open empty docs
        // Use default codepage
        DWORD dwFlags[3] = {0, 0, 0};
-       String strDesc[3];
        FileLocation fileloc[3];
+       String strDesc2[3];
        if (nPanes == 2)
        {
-               strDesc[0] = _("Untitled left");
-               strDesc[1] = _("Untitled right");
-               fileloc[0].encoding.SetCodepage(ucr::getDefaultCodepage());
-               fileloc[1].encoding.SetCodepage(ucr::getDefaultCodepage());
-               ShowMergeDoc(pDirDoc, 2, fileloc, dwFlags, strDesc);
+               strDesc2[0] = _("Untitled left");
+               strDesc2[1] = _("Untitled right");
        }
        else
        {
-               strDesc[0] = _("Untitled left");
-               strDesc[1] = _("Untitled middle");
-               strDesc[2] = _("Untitled right");
-               fileloc[0].encoding.SetCodepage(ucr::getDefaultCodepage());
-               fileloc[1].encoding.SetCodepage(ucr::getDefaultCodepage());
-               fileloc[2].encoding.SetCodepage(ucr::getDefaultCodepage());
-               ShowMergeDoc(pDirDoc, 3, fileloc, dwFlags, strDesc);
+               strDesc2[0] = _("Untitled left");
+               strDesc2[1] = _("Untitled middle");
+               strDesc2[2] = _("Untitled right");
+       }
+       for (int i = 0; i < nPanes; ++i)
+       {
+               if (strDesc && !strDesc[i].empty())
+                       strDesc2[i] = strDesc[i];
+               fileloc[i].encoding.SetCodepage(ucr::getDefaultCodepage());
        }
+       if (infoPrediffer && !infoPrediffer->GetPluginPipeline().empty())
+               pDirDoc->GetPluginManager().SetPrediffer(_T("|"), infoPrediffer->GetPluginPipeline());
+       return ShowMergeDoc(nID, pDirDoc, nPanes, fileloc, dwFlags, strDesc2, _T(""), nullptr, pOpenParams);
 }
 
 /**
@@ -1572,14 +1843,10 @@ void CMainFrame::FileNew(int nPanes)
  * @sa CMergeDoc::OpenDocs()
  * @sa CMergeDoc::TrySaveAs()
  */
+template <int nFiles, unsigned nID>
 void CMainFrame::OnFileNew() 
 {
-       FileNew(2);
-}
-
-void CMainFrame::OnFileNew3() 
-{
-       FileNew(3);
+       DoFileNew(nID, nFiles);
 }
 
 /**
@@ -1590,20 +1857,21 @@ void CMainFrame::OnToolsFilters()
        String title = _("Filters");
        CPropertySheet sht(title.c_str());
        LineFiltersDlg lineFiltersDlg;
+       SubstitutionFiltersDlg substitutionFiltersDlg;
        FileFiltersDlg fileFiltersDlg;
-       vector<FileFilterInfo> fileFilters;
        std::unique_ptr<LineFiltersList> lineFilters(new LineFiltersList());
+       std::unique_ptr<SubstitutionFiltersList> SubstitutionFilters(new SubstitutionFiltersList());
        String selectedFilter;
        const String origFilter = theApp.m_pGlobalFileFilter->GetFilterNameOrMask();
        sht.AddPage(&fileFiltersDlg);
        sht.AddPage(&lineFiltersDlg);
+       sht.AddPage(&substitutionFiltersDlg);
        sht.m_psh.dwFlags |= PSH_NOAPPLYNOW; // Hide 'Apply' button since we don't need it
 
        // Make sure all filters are up-to-date
        theApp.m_pGlobalFileFilter->ReloadUpdatedFilters();
 
-       theApp.m_pGlobalFileFilter->GetFileFilters(&fileFilters, selectedFilter);
-       fileFiltersDlg.SetFilterArray(&fileFilters);
+       fileFiltersDlg.SetFilterArray(theApp.m_pGlobalFileFilter->GetFileFilters(selectedFilter));
        fileFiltersDlg.SetSelected(selectedFilter);
        const bool lineFiltersEnabledOrig = GetOptionsMgr()->GetBool(OPT_LINEFILTER_ENABLED);
        lineFiltersDlg.m_bIgnoreRegExp = lineFiltersEnabledOrig;
@@ -1611,6 +1879,11 @@ void CMainFrame::OnToolsFilters()
        lineFilters->CloneFrom(theApp.m_pLineFilters.get());
        lineFiltersDlg.SetList(lineFilters.get());
 
+       SubstitutionFilters->CloneFrom(theApp.m_pSubstitutionFiltersList.get());
+       substitutionFiltersDlg.SetList(SubstitutionFilters.get());
+
+       sht.SetActivePage(AfxGetApp()->GetProfileInt(_T("Settings"), _T("FilterStartPage"), 0));
+
        if (sht.DoModal() == IDOK)
        {
                String strNone = _("<None>");
@@ -1642,8 +1915,12 @@ void CMainFrame::OnToolsFilters()
                FRAMETYPE frame = GetFrameType(pFrame);
                if (frame == FRAME_FILE)
                {
-                       if (lineFiltersEnabledOrig != linefiltersEnabled ||
-                                       !theApp.m_pLineFilters->Compare(lineFilters.get()))
+                       if
+                       (
+                                  linefiltersEnabled != lineFiltersEnabledOrig
+                               || !lineFilters->Compare(theApp.m_pLineFilters.get())
+                               || !SubstitutionFilters->Compare(theApp.m_pSubstitutionFiltersList.get())
+                       )
                        {
                                bFileCompareRescan = true;
                        }
@@ -1664,6 +1941,9 @@ void CMainFrame::OnToolsFilters()
                theApp.m_pLineFilters->CloneFrom(lineFilters.get());
                theApp.m_pLineFilters->SaveFilters();
 
+               theApp.m_pSubstitutionFiltersList->CloneFrom(SubstitutionFilters.get());
+               theApp.m_pSubstitutionFiltersList->SaveFilters();
+
                if (bFileCompareRescan)
                {
                        for (auto pMergeDoc : GetAllMergeDocs())
@@ -1703,12 +1983,21 @@ BOOL CMainFrame::PreTranslateMessage(MSG* pMsg)
                        AfxGetMainWnd()->SendMessage(WM_COMMAND, ID_APP_EXIT);
                        return TRUE;
                }
-               else if (GetOptionsMgr()->GetBool(OPT_CLOSE_WITH_ESC) && m_wndTabBar.GetItemCount() == 0)
+               else if (GetOptionsMgr()->GetInt(OPT_CLOSE_WITH_ESC) == 1 && m_wndTabBar.GetItemCount() == 0)
                {
                        AfxGetMainWnd()->PostMessage(WM_COMMAND, ID_APP_EXIT);
                        return FALSE;
                }
        }
+
+       if (WM_KEYDOWN == pMsg->message && VK_TAB == pMsg->wParam && GetAsyncKeyState(VK_CONTROL) < 0 && m_arrChild.GetSize() > 1)
+       {
+               CWindowsManagerDialog* pDlg = new CWindowsManagerDialog;
+               pDlg->Create(CWindowsManagerDialog::IDD, this);
+               pDlg->ShowWindow(SW_SHOW);
+               return TRUE;
+       }
+
        return CMDIFrameWnd::PreTranslateMessage(pMsg);
 }
 
@@ -1760,7 +2049,7 @@ void CMainFrame::OnResizePanes()
        GetOptionsMgr()->SaveOption(OPT_RESIZE_PANES, bResize);
        // TODO: Introduce a common merge frame superclass?
        CFrameWnd *pActiveFrame = GetActiveFrame();
-       if (CChildFrame *pFrame = DYNAMIC_DOWNCAST(CChildFrame, pActiveFrame))
+       if (CMergeEditFrame *pFrame = DYNAMIC_DOWNCAST(CMergeEditFrame, pActiveFrame))
        {
                pFrame->UpdateAutoPaneResize();
                if (bResize)
@@ -1791,7 +2080,7 @@ void CMainFrame::OnFileOpenProject()
        // store this as the new project path
        GetOptionsMgr()->SaveOption(OPT_PROJECTS_PATH, strProjectPath);
 
-       theApp.LoadAndOpenProjectFile(sFilepath.c_str());
+       theApp.LoadAndOpenProjectFile(sFilepath);
 }
 
 /**
@@ -1818,15 +2107,8 @@ LRESULT CMainFrame::OnCopyData(WPARAM wParam, LPARAM lParam)
 
 LRESULT CMainFrame::OnUser1(WPARAM wParam, LPARAM lParam)
 {
-       CFrameWnd * pFrame = GetActiveFrame();
-       if (pFrame != nullptr)
-       {
-               IMergeDoc *pMergeDoc = dynamic_cast<IMergeDoc *>(pFrame->GetActiveDocument());
-               if (pMergeDoc == nullptr)
-                       pMergeDoc = dynamic_cast<IMergeDoc *>(pFrame);
-               if (pMergeDoc != nullptr)
-                       pMergeDoc->CheckFileChanged();
-       }
+       if (IMergeDoc *pMergeDoc = GetActiveIMergeDoc())
+               pMergeDoc->CheckFileChanged();
        return 0;
 }
 
@@ -1866,15 +2148,7 @@ void CMainFrame::OnWindowCloseAll()
  */ 
 void CMainFrame::OnUpdateWindowCloseAll(CCmdUI* pCmdUI)
 {
-       const MergeDocList &mergedocs = GetAllMergeDocs();
-       if (!mergedocs.IsEmpty())
-       {
-               pCmdUI->Enable(TRUE);
-               return;
-       }
-
-       const DirDocList &dirdocs = GetAllDirDocs();
-       pCmdUI->Enable(!dirdocs.IsEmpty());
+       pCmdUI->Enable(MDIGetActive() != nullptr);
 }
 
 /**
@@ -1900,33 +2174,41 @@ void CMainFrame::OnSaveProject()
                theApp.m_pOpenTemplate->m_hMenuShared = NewOpenViewMenu();
        COpenDoc *pOpenDoc = static_cast<COpenDoc *>(theApp.m_pOpenTemplate->CreateNewDocument());
 
-       PathContext paths;
        CFrameWnd * pFrame = GetActiveFrame();
-       FRAMETYPE frame = GetFrameType(pFrame);
+       FRAMETYPE frame = pFrame ? GetFrameType(pFrame) : FRAME_OTHER;
 
-       if (frame == FRAME_FILE)
+       if (frame == FRAME_FILE || frame == FRAME_HEXFILE || frame == FRAME_IMGFILE)
        {
-               CMergeDoc * pMergeDoc = static_cast<CMergeDoc *>(pFrame->GetActiveDocument());
-               pOpenDoc->m_files = pMergeDoc->m_filePaths;
-               for (size_t pane = 0; pane < pOpenDoc->m_files.size(); ++pane)
-                       pOpenDoc->m_dwFlags[pane] = FFILEOPEN_PROJECT | (pMergeDoc->m_ptBuf[pane]->GetReadOnly() ? FFILEOPEN_PROJECT : 0);
-               pOpenDoc->m_bRecurse = GetOptionsMgr()->GetBool(OPT_CMP_INCLUDE_SUBDIRS);
-               pOpenDoc->m_strExt = theApp.m_pGlobalFileFilter->GetFilterNameOrMask();
+               if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               {
+                       PathContext paths;
+                       for (int pane = 0; pane < pMergeDoc->GetFileCount(); ++pane)
+                       {
+                               pOpenDoc->m_dwFlags[pane] = FFILEOPEN_PROJECT | (pMergeDoc->GetReadOnly(pane) ? FFILEOPEN_READONLY : 0);
+                               paths.SetPath(pane, pMergeDoc->GetPath(pane));
+                       }
+                       pOpenDoc->m_files = paths;
+                       pOpenDoc->m_bRecurse = GetOptionsMgr()->GetBool(OPT_CMP_INCLUDE_SUBDIRS);
+                       pOpenDoc->m_strExt = theApp.m_pGlobalFileFilter->GetFilterNameOrMask();
+                       pOpenDoc->m_strUnpackerPipeline = pMergeDoc->GetUnpacker()->GetPluginPipeline();
+               }
        }
        else if (frame == FRAME_FOLDER)
        {
                // Get paths currently in compare
-               const CDirDoc * pDoc = static_cast<const CDirDoc*>(pFrame->GetActiveDocument());
-               const CDiffContext& ctxt = pDoc->GetDiffContext();
-
-               // Set-up the dialog
-               for (int pane = 0; pane < ctxt.GetCompareDirs(); ++pane)
+               if (const CDirDoc* pDoc = static_cast<const CDirDoc*>(pFrame->GetActiveDocument()))
                {
-                       pOpenDoc->m_dwFlags[pane] = FFILEOPEN_PROJECT | (pDoc->GetReadOnly(pane) ? FFILEOPEN_READONLY : 0);
-                       pOpenDoc->m_files.SetPath(pane, paths::AddTrailingSlash(ctxt.GetNormalizedPath(pane)));
+                       const CDiffContext& ctxt = pDoc->GetDiffContext();
+
+                       // Set-up the dialog
+                       for (int pane = 0; pane < ctxt.GetCompareDirs(); ++pane)
+                       {
+                               pOpenDoc->m_dwFlags[pane] = FFILEOPEN_PROJECT | (pDoc->GetReadOnly(pane) ? FFILEOPEN_READONLY : 0);
+                               pOpenDoc->m_files.SetPath(pane, paths::AddTrailingSlash(ctxt.GetNormalizedPath(pane)));
+                       }
+                       pOpenDoc->m_bRecurse = ctxt.m_bRecursive;
+                       pOpenDoc->m_strExt = static_cast<FileFilterHelper*>(ctxt.m_piFilterGlobal)->GetFilterNameOrMask();
                }
-               pOpenDoc->m_bRecurse = ctxt.m_bRecursive;
-               pOpenDoc->m_strExt = static_cast<FileFilterHelper *>(ctxt.m_piFilterGlobal)->GetFilterNameOrMask();
        }
 
        CFrameWnd *pOpenFrame = theApp.m_pOpenTemplate->CreateNewFrame(pOpenDoc, nullptr);
@@ -1940,7 +2222,7 @@ void CMainFrame::StartFlashing()
 {
        CWnd * activeWindow = GetActiveWindow();
        if (activeWindow != this)
-               FlashWindowEx(FLASHW_ALL | FLASHW_TIMERNOFG, 0, 0);
+               FlashWindowEx(FLASHW_ALL | FLASHW_TIMERNOFG, 3, 0);
 }
 
 #if _MFC_VER > 0x0600
@@ -1955,15 +2237,8 @@ void CMainFrame::OnActivateApp(BOOL bActive, HTASK hTask)
        CMDIFrameWnd::OnActivateApp(bActive, hTask);
 #endif
 
-       CFrameWnd * pFrame = GetActiveFrame();
-       if (pFrame != nullptr)
-       {
-               IMergeDoc *pMergeDoc = dynamic_cast<IMergeDoc *>(pFrame->GetActiveDocument());
-               if (pMergeDoc == nullptr)
-                       pMergeDoc = dynamic_cast<IMergeDoc *>(pFrame);
-               if (pMergeDoc != nullptr)
-                       PostMessage(WM_USER+1);
-       }
+       if (IMergeDoc *pMergeDoc = GetActiveIMergeDoc())
+               PostMessage(WM_USER+1);
 }
 
 BOOL CMainFrame::CreateToolbar()
@@ -1974,7 +2249,8 @@ BOOL CMainFrame::CreateToolbar()
                return FALSE;
        }
 
-       if (!m_wndReBar.Create(this))
+       if (!m_wndReBar.Create(this, RBS_BANDBORDERS,
+               WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | CBRS_ALIGN_TOP))
        {
                return FALSE;
        }
@@ -1991,11 +2267,14 @@ BOOL CMainFrame::CreateToolbar()
        LoadToolbarImages();
 
        UINT nID, nStyle;
-       int iImage;
-       int index = m_wndToolBar.GetToolBarCtrl().CommandToIndex(ID_OPTIONS);
-       m_wndToolBar.GetButtonInfo(index, nID, nStyle, iImage);
-       nStyle |= TBSTYLE_DROPDOWN;
-       m_wndToolBar.SetButtonInfo(index, nID, nStyle, iImage);
+       for (auto cmd : { ID_OPTIONS, ID_FILE_NEW, ID_FILE_OPEN, ID_FILE_SAVE })
+       {
+               int iImage;
+               int index = m_wndToolBar.GetToolBarCtrl().CommandToIndex(cmd);
+               m_wndToolBar.GetButtonInfo(index, nID, nStyle, iImage);
+               nStyle |= TBSTYLE_DROPDOWN;
+               m_wndToolBar.SetButtonInfo(index, nID, nStyle, iImage);
+       }
 
        if (!GetOptionsMgr()->GetBool(OPT_SHOW_TOOLBAR))
        {
@@ -2008,28 +2287,28 @@ BOOL CMainFrame::CreateToolbar()
 /** @brief Load toolbar images from the resource. */
 void CMainFrame::LoadToolbarImages()
 {
-       const int toolbarSize = 16 << GetOptionsMgr()->GetInt(OPT_TOOLBAR_SIZE);
+       const int toolbarNewImgSize = MulDiv(16, GetSystemMetrics(SM_CXSMICON), 16) * (1 + GetOptionsMgr()->GetInt(OPT_TOOLBAR_SIZE));
+       const int toolbarOrgImgSize = toolbarNewImgSize <= 20 ? 16 : 32;
        CToolBarCtrl& BarCtrl = m_wndToolBar.GetToolBarCtrl();
 
-       m_ToolbarImages[TOOLBAR_IMAGES_ENABLED].DeleteImageList();
-       m_ToolbarImages[TOOLBAR_IMAGES_DISABLED].DeleteImageList();
+       m_ToolbarImages[TOOLBAR_IMAGES_ENABLED].Detach();
+       m_ToolbarImages[TOOLBAR_IMAGES_DISABLED].Detach();
        CSize sizeButton(0, 0);
 
-       LoadToolbarImageList(toolbarSize,
-               toolbarSize <= 16 ? IDB_TOOLBAR_ENABLED : IDB_TOOLBAR_ENABLED32,
-               toolbarSize <= 16 ? IDB_TOOLBAR_ENABLED_MASK : IDB_TOOLBAR_ENABLED_MASK32,
+       LoadToolbarImageList(toolbarOrgImgSize, toolbarNewImgSize,
+               toolbarOrgImgSize <= 16 ? IDB_TOOLBAR_ENABLED : IDB_TOOLBAR_ENABLED32,
                false, m_ToolbarImages[TOOLBAR_IMAGES_ENABLED]);
-       LoadToolbarImageList(toolbarSize,
-               toolbarSize <= 16 ? IDB_TOOLBAR_ENABLED : IDB_TOOLBAR_ENABLED32,
-               toolbarSize <= 16 ? IDB_TOOLBAR_ENABLED_MASK : IDB_TOOLBAR_ENABLED_MASK32,
+       LoadToolbarImageList(toolbarOrgImgSize, toolbarNewImgSize,
+               toolbarOrgImgSize <= 16 ? IDB_TOOLBAR_ENABLED : IDB_TOOLBAR_ENABLED32,
                true, m_ToolbarImages[TOOLBAR_IMAGES_DISABLED]);
-       sizeButton = CSize(toolbarSize + 8, toolbarSize + 8);
+
+       sizeButton = CSize(toolbarNewImgSize + 8, toolbarNewImgSize + 8);
 
        BarCtrl.SetButtonSize(sizeButton);
-       BarCtrl.SetImageList(&m_ToolbarImages[TOOLBAR_IMAGES_ENABLED]);
-       BarCtrl.SetDisabledImageList(&m_ToolbarImages[TOOLBAR_IMAGES_DISABLED]);
-       m_ToolbarImages[TOOLBAR_IMAGES_ENABLED].Detach();
-       m_ToolbarImages[TOOLBAR_IMAGES_DISABLED].Detach();
+       if (CImageList *pImgList = BarCtrl.SetImageList(&m_ToolbarImages[TOOLBAR_IMAGES_ENABLED]))
+               pImgList->DeleteImageList();
+       if (CImageList *pImgList = BarCtrl.SetDisabledImageList(&m_ToolbarImages[TOOLBAR_IMAGES_DISABLED]))
+               pImgList->DeleteImageList();
 
        // resize the rebar.
        REBARBANDINFO rbbi = { sizeof REBARBANDINFO };
@@ -2040,29 +2319,27 @@ void CMainFrame::LoadToolbarImages()
 
 
 /**
- * @brief Load a transparent 24-bit color image list.
+ * @brief Load a transparent 32-bit color image list.
  */
-static void LoadHiColImageList(UINT nIDResource, UINT nIDResourceMask, int nWidth, int nHeight, int nCount, bool bGrayscale, CImageList& ImgList)
+static void LoadHiColImageList(UINT nIDResource, int nWidth, int nHeight, int nNewWidth, int nNewHeight, int nCount, bool bGrayscale, CImageList& ImgList)
 {
-       CBitmap bm, bmMask;
-       bm.Attach(LoadImage(AfxGetInstanceHandle(), MAKEINTRESOURCE(nIDResource), IMAGE_BITMAP, nWidth * nCount, nHeight, LR_DEFAULTCOLOR));
-       bmMask.Attach(LoadImage(AfxGetInstanceHandle(), MAKEINTRESOURCE(nIDResourceMask), IMAGE_BITMAP, nWidth * nCount, nHeight, LR_MONOCHROME));
-       if (bGrayscale)
-               GrayScale(&bm);
-       VERIFY(ImgList.Create(nWidth, nHeight, ILC_COLORDDB|ILC_MASK, nCount, 0));
-       int nIndex = ImgList.Add(&bm, &bmMask);
+       CBitmap bm;
+       bm.Attach(LoadBitmapAndConvertTo32bit(AfxGetInstanceHandle(), nIDResource, nNewWidth * nCount, nNewHeight, bGrayscale, RGB(0xff, 0, 0xff)));
+
+       VERIFY(ImgList.Create(nNewWidth, nNewHeight, ILC_COLOR32, nCount, 0));
+       int nIndex = ImgList.Add(&bm, nullptr);
        ASSERT(-1 != nIndex);
 }
 
 /**
  * @brief Load toolbar image list.
  */
-static void LoadToolbarImageList(int imageWidth, UINT nIDResource, UINT nIDResourceMask, bool bGrayscale,
-               CImageList& ImgList)
+static void LoadToolbarImageList(int orgImageWidth, int newImageWidth, UINT nIDResource, bool bGrayscale, CImageList& ImgList)
 {
-       const int ImageCount = 22;
-       const int imageHeight = imageWidth - 1;
-       LoadHiColImageList(nIDResource, nIDResourceMask, imageWidth, imageHeight, ImageCount, bGrayscale, ImgList);
+       const int ImageCount = 26;
+       const int orgImageHeight = orgImageWidth - 1;
+       const int newImageHeight = newImageWidth - 1;
+       LoadHiColImageList(nIDResource, orgImageWidth, orgImageHeight, newImageWidth, newImageHeight, ImageCount, bGrayscale, ImgList);
 }
 
 /**
@@ -2132,17 +2409,10 @@ BOOL CMainFrame::OnToolTipText(UINT, NMHDR* pNMHDR, LRESULT* pResult)
                // this is the command id, not the button index
                AfxExtractSubString(strTipText, strFullText.c_str(), 1, '\n');
        }
-#ifndef _UNICODE
-       if (pNMHDR->code == TTN_NEEDTEXTA)
-               lstrcpyn(pTTTA->szText, strTipText, countof(pTTTA->szText));
-       else
-               _mbstowcsz(pTTTW->szText, strTipText, countof(pTTTW->szText));
-#else
        if (pNMHDR->code == TTN_NEEDTEXTA)
-               _wcstombsz(pTTTA->szText, strTipText, countof(pTTTA->szText));
+               _wcstombsz(pTTTA->szText, strTipText, static_cast<ULONG>(std::size(pTTTA->szText)));
        else
-               lstrcpyn(pTTTW->szText, strTipText, countof(pTTTW->szText));
-#endif
+               lstrcpyn(pTTTW->szText, strTipText, static_cast<int>(std::size(pTTTW->szText)));
        *pResult = 0;
 
        // bring the tooltip window above other popup windows
@@ -2187,7 +2457,7 @@ bool CMainFrame::AskCloseConfirmation()
 void CMainFrame::OnHelpReleasenotes()
 {
        const String sPath = paths::ConcatPath(env::GetProgPath(), RelNotes);
-       ShellExecute(nullptr, _T("open"), sPath.c_str(), nullptr, nullptr, SW_SHOWNORMAL);
+       shell::Open(sPath.c_str());
 }
 
 /**
@@ -2196,7 +2466,7 @@ void CMainFrame::OnHelpReleasenotes()
  */
 void CMainFrame::OnHelpTranslations()
 {
-       ShellExecute(nullptr, _T("open"), TranslationsUrl, nullptr, nullptr, SW_SHOWNORMAL);
+       shell::Open(TranslationsUrl);
 }
 
 /**
@@ -2270,7 +2540,7 @@ bool CMainFrame::DoOpenConflict(const String& conflictFile, const String strDesc
                                (strDesc && !strDesc[2].empty()) ? strDesc[2] : _("Mine File") };
                        DWORD dwFlags[2] = {FFILEOPEN_READONLY | FFILEOPEN_NOMRU, FFILEOPEN_NOMRU | FFILEOPEN_MODIFIED};
                        PathContext tmpPathContext(revFile, workFile);
-                       conflictCompared = DoFileOpen(&tmpPathContext, dwFlags, strDesc2);
+                       conflictCompared = DoFileOrFolderOpen(&tmpPathContext, dwFlags, strDesc2);
                }
                else
                {
@@ -2280,7 +2550,7 @@ bool CMainFrame::DoOpenConflict(const String& conflictFile, const String strDesc
                                (strDesc && !strDesc[2].empty()) ? strDesc[2] : _("Mine File") };
                        PathContext tmpPathContext(baseFile, revFile, workFile);
                        DWORD dwFlags[3] = {FFILEOPEN_READONLY | FFILEOPEN_NOMRU, FFILEOPEN_READONLY | FFILEOPEN_NOMRU, FFILEOPEN_NOMRU | FFILEOPEN_MODIFIED};
-                       conflictCompared = DoFileOpen(&tmpPathContext, dwFlags, strDesc3);
+                       conflictCompared = DoFileOrFolderOpen(&tmpPathContext, dwFlags, strDesc3);
                }
        }
        else
@@ -2290,14 +2560,33 @@ bool CMainFrame::DoOpenConflict(const String& conflictFile, const String strDesc
        return conflictCompared;
 }
 
+bool CMainFrame::DoSelfCompare(UINT nID, const String& file, const String strDesc[] /*= nullptr*/,
+       const PackingInfo *infoUnpacker /*= nullptr*/, const PrediffingInfo *infoPrediffer /*= nullptr*/,
+       const OpenTextFileParams *pOpenParams /*= nullptr*/)
+{
+       String ext = paths::FindExtension(file);
+       TempFilePtr wTemp(new TempFile());
+       String copiedFile = wTemp->Create(_T("self-compare_"), ext);
+       m_tempFiles.push_back(wTemp);
+
+       TFile(file).copyTo(copiedFile);
+
+       String strDesc2[2] = { 
+               (strDesc && !strDesc[0].empty()) ? strDesc[0] : _("Original File"),
+               (strDesc && !strDesc[1].empty()) ? strDesc[1] : _("") };
+       DWORD dwFlags[2] = {FFILEOPEN_READONLY | FFILEOPEN_NOMRU, FFILEOPEN_NOMRU};
+       PathContext tmpPathContext(copiedFile, file);
+       return DoFileOpen(nID, &tmpPathContext, dwFlags, strDesc2, _T(""), infoUnpacker, infoPrediffer, pOpenParams);
+}
+
 /**
  * @brief Get type of frame (File/Folder compare).
  * @param [in] pFrame Pointer to frame to check.
  * @return FRAMETYPE of the given frame.
 */
-CMainFrame::FRAMETYPE CMainFrame::GetFrameType(const CFrameWnd * pFrame) const
+CMainFrame::FRAMETYPE CMainFrame::GetFrameType(const CFrameWnd * pFrame)
 {
-       bool bMergeFrame = !!pFrame->IsKindOf(RUNTIME_CLASS(CChildFrame));
+       bool bMergeFrame = !!pFrame->IsKindOf(RUNTIME_CLASS(CMergeEditFrame));
        bool bHexMergeFrame = !!pFrame->IsKindOf(RUNTIME_CLASS(CHexMergeFrame));
        bool bImgMergeFrame = !!pFrame->IsKindOf(RUNTIME_CLASS(CImgMergeFrame));
        bool bDirFrame = !!pFrame->IsKindOf(RUNTIME_CLASS(CDirFrame));
@@ -2323,12 +2612,28 @@ void CMainFrame::OnPluginsList()
        dlg.DoModal();
 }
 
-void CMainFrame::OnDiffOptionsDropDown(NMHDR* pNMHDR, LRESULT* pResult)
+void CMainFrame::OnToolbarButtonDropDown(NMHDR* pNMHDR, LRESULT* pResult)
 {
        LPNMTOOLBAR pToolBar = reinterpret_cast<LPNMTOOLBAR>(pNMHDR);
        ClientToScreen(&(pToolBar->rcButton));
        BCMenu menu;
-       VERIFY(menu.LoadMenu(IDR_POPUP_DIFF_OPTIONS));
+       int id;
+       switch (pToolBar->iItem)
+       {
+       case ID_FILE_NEW:
+               id = IDR_POPUP_NEW;
+               break;
+       case ID_FILE_OPEN:
+               id = IDR_POPUP_OPEN;
+               break;
+       case ID_FILE_SAVE:
+               id = IDR_POPUP_SAVE;
+               break;
+       default:
+               id = IDR_POPUP_DIFF_OPTIONS;
+               break;
+       }
+       VERIFY(menu.LoadMenu(id));
        theApp.TranslateMenu(menu.m_hMenu);
        CMenu* pPopup = menu.GetSubMenu(0);
        if (pPopup != nullptr)
@@ -2340,25 +2645,37 @@ void CMainFrame::OnDiffOptionsDropDown(NMHDR* pNMHDR, LRESULT* pResult)
 }
 void CMainFrame::OnDiffWhitespace(UINT nID)
 {
-       GetOptionsMgr()->SaveOption(OPT_CMP_IGNORE_WHITESPACE, nID - IDC_DIFF_WHITESPACE_COMPARE);
+       GetOptionsMgr()->SaveOption(OPT_CMP_IGNORE_WHITESPACE, nID - ID_DIFF_OPTIONS_WHITESPACE_COMPARE);
        ApplyDiffOptions();
 }
 
 void CMainFrame::OnUpdateDiffWhitespace(CCmdUI* pCmdUI)
 {
-       pCmdUI->SetRadio((pCmdUI->m_nID - IDC_DIFF_WHITESPACE_COMPARE) == static_cast<UINT>(GetOptionsMgr()->GetInt(OPT_CMP_IGNORE_WHITESPACE)));
+       pCmdUI->SetRadio((pCmdUI->m_nID - ID_DIFF_OPTIONS_WHITESPACE_COMPARE) == static_cast<UINT>(GetOptionsMgr()->GetInt(OPT_CMP_IGNORE_WHITESPACE)));
        pCmdUI->Enable();
 }
 
-void CMainFrame::OnDiffCaseSensitive()
+void CMainFrame::OnDiffIgnoreBlankLines()
+{
+       GetOptionsMgr()->SaveOption(OPT_CMP_IGNORE_BLANKLINES, !GetOptionsMgr()->GetBool(OPT_CMP_IGNORE_BLANKLINES));
+       ApplyDiffOptions();
+}
+
+void CMainFrame::OnUpdateDiffIgnoreBlankLines(CCmdUI* pCmdUI)
+{
+       pCmdUI->SetCheck(GetOptionsMgr()->GetBool(OPT_CMP_IGNORE_BLANKLINES));
+       pCmdUI->Enable();
+}
+
+void CMainFrame::OnDiffIgnoreCase()
 {
        GetOptionsMgr()->SaveOption(OPT_CMP_IGNORE_CASE, !GetOptionsMgr()->GetBool(OPT_CMP_IGNORE_CASE));
        ApplyDiffOptions();
 }
 
-void CMainFrame::OnUpdateDiffCaseSensitive(CCmdUI* pCmdUI)
+void CMainFrame::OnUpdateDiffIgnoreCase(CCmdUI* pCmdUI)
 {
-       pCmdUI->SetCheck(!GetOptionsMgr()->GetBool(OPT_CMP_IGNORE_CASE));
+       pCmdUI->SetCheck(GetOptionsMgr()->GetBool(OPT_CMP_IGNORE_CASE));
        pCmdUI->Enable();
 }
 
@@ -2374,6 +2691,30 @@ void CMainFrame::OnUpdateDiffIgnoreEOL(CCmdUI* pCmdUI)
        pCmdUI->Enable();
 }
 
+void CMainFrame::OnDiffIgnoreCP()
+{
+       GetOptionsMgr()->SaveOption(OPT_CMP_IGNORE_CODEPAGE, !GetOptionsMgr()->GetBool(OPT_CMP_IGNORE_CODEPAGE));
+       ApplyDiffOptions();
+}
+
+void CMainFrame::OnUpdateDiffIgnoreCP(CCmdUI* pCmdUI)
+{
+       pCmdUI->SetCheck(GetOptionsMgr()->GetBool(OPT_CMP_IGNORE_CODEPAGE));
+       pCmdUI->Enable();
+}
+
+void CMainFrame::OnDiffIgnoreComments()
+{
+       GetOptionsMgr()->SaveOption(OPT_CMP_FILTER_COMMENTLINES, !GetOptionsMgr()->GetBool(OPT_CMP_FILTER_COMMENTLINES));
+       ApplyDiffOptions();
+}
+
+void CMainFrame::OnUpdateDiffIgnoreComments(CCmdUI* pCmdUI)
+{
+       pCmdUI->SetCheck(GetOptionsMgr()->GetBool(OPT_CMP_FILTER_COMMENTLINES));
+       pCmdUI->Enable();
+}
+
 void CMainFrame::OnIncludeSubfolders()
 {
        GetOptionsMgr()->SaveOption(OPT_CMP_INCLUDE_SUBDIRS, !GetOptionsMgr()->GetBool(OPT_CMP_INCLUDE_SUBDIRS));
@@ -2392,19 +2733,19 @@ void CMainFrame::OnUpdateIncludeSubfolders(CCmdUI* pCmdUI)
 
 void CMainFrame::OnCompareMethod(UINT nID)
 { 
-       GetOptionsMgr()->SaveOption(OPT_CMP_METHOD, nID - ID_COMPMETHOD_FULL_CONTENTS);
+       GetOptionsMgr()->SaveOption(OPT_CMP_METHOD, nID - ID_DIFF_OPTIONS_COMPMETHOD_FULL_CONTENTS);
 }
 
 void CMainFrame::OnUpdateCompareMethod(CCmdUI* pCmdUI)
 {
-       pCmdUI->SetRadio((pCmdUI->m_nID - ID_COMPMETHOD_FULL_CONTENTS) == static_cast<UINT>(GetOptionsMgr()->GetInt(OPT_CMP_METHOD)));
+       pCmdUI->SetRadio((pCmdUI->m_nID - ID_DIFF_OPTIONS_COMPMETHOD_FULL_CONTENTS) == static_cast<UINT>(GetOptionsMgr()->GetInt(OPT_CMP_METHOD)));
        pCmdUI->Enable();
 }
 
 void CMainFrame::OnMRUs(UINT nID)
 {
        std::vector<JumpList::Item> mrus = JumpList::GetRecentDocs(GetOptionsMgr()->GetInt(OPT_MRU_MAX));
-       const size_t idx = nID - ID_MRU_FIRST;
+       const size_t idx = static_cast<size_t>(nID) - ID_MRU_FIRST;
        if (idx < mrus.size())
        {
                MergeCmdLineInfo cmdInfo((_T("\"") + mrus[idx].path + _T("\" ") + mrus[idx].params).c_str());
@@ -2415,9 +2756,10 @@ void CMainFrame::OnMRUs(UINT nID)
 void CMainFrame::OnUpdateNoMRUs(CCmdUI* pCmdUI)
 {
        // append the MRU submenu
-       HMENU hMenu = GetSubmenu(AfxGetMainWnd()->GetMenu()->m_hMenu, ID_FILE_NEW, false);
-       if (hMenu == nullptr)
+       CMenu *pMenu = pCmdUI->m_pSubMenu ? pCmdUI->m_pSubMenu : pCmdUI->m_pMenu;
+       if (pMenu == nullptr)
                return;
+       HMENU hMenu = pMenu->m_hMenu;
        
        // empty the menu
        size_t i = ::GetMenuItemCount(hMenu);
@@ -2450,7 +2792,107 @@ void CMainFrame::OnUpdateNoMRUs(CCmdUI* pCmdUI)
  */
 void CMainFrame::OnUpdatePluginName(CCmdUI* pCmdUI)
 {
-       pCmdUI->SetText(_T(""));
+       if (auto pMergeDoc = GetActiveIMergeDoc())
+       {
+               String pluginNames;
+               const PackingInfo* infoUnpacker = pMergeDoc->GetUnpacker();
+               if (infoUnpacker && !infoUnpacker->GetPluginPipeline().empty())
+                       pluginNames += infoUnpacker->GetPluginPipeline() + _T("&");
+               const PrediffingInfo* infoPrediffer = pMergeDoc->GetPrediffer();
+               if (infoPrediffer && !infoPrediffer->GetPluginPipeline().empty())
+                       pluginNames += infoPrediffer->GetPluginPipeline() + _T("&");
+               pCmdUI->SetText(pluginNames.substr(0, pluginNames.length() - 1).c_str());
+       }
+       else
+               pCmdUI->SetText(_T(""));
+}
+
+/**
+ * @brief Move to next file
+ */
+void CMainFrame::OnNextFile()
+{
+       if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               if (CDirDoc* pDirDoc = pMergeDoc->GetDirDoc())
+                       pDirDoc->MoveToNextFile(pMergeDoc);
+}
+
+/**
+ * @brief Called when Move to next file is updated
+ */
+void CMainFrame::OnUpdateNextFile(CCmdUI* pCmdUI)
+{
+       bool enabled = false;
+       if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               if (CDirDoc* pDirDoc = pMergeDoc->GetDirDoc())
+                       enabled = !pDirDoc->IsLastFile();
+       pCmdUI->Enable(enabled);
+}
+
+/**
+ * @brief Move to previous file
+ */
+void CMainFrame::OnPrevFile()
+{
+       if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               if (CDirDoc* pDirDoc = pMergeDoc->GetDirDoc())
+                       pDirDoc->MoveToPrevFile(pMergeDoc);
+}
+
+/**
+ * @brief Called when Move to previous file is updated
+ */
+void CMainFrame::OnUpdatePrevFile(CCmdUI* pCmdUI)
+{
+       bool enabled = false;
+       if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               if (CDirDoc* pDirDoc = pMergeDoc->GetDirDoc())
+                       enabled = !pDirDoc->IsFirstFile();
+       pCmdUI->Enable(enabled);
+}
+
+/**
+ * @brief Move to first file
+ */
+void CMainFrame::OnFirstFile()
+{
+       if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               if (CDirDoc* pDirDoc = pMergeDoc->GetDirDoc())
+                       pDirDoc->MoveToFirstFile(pMergeDoc);
+}
+
+/**
+ * @brief Called when Move to first file is updated
+ */
+void CMainFrame::OnUpdateFirstFile(CCmdUI* pCmdUI)
+{
+       bool enabled = false;
+       if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               if (CDirDoc* pDirDoc = pMergeDoc->GetDirDoc())
+                       enabled = !pDirDoc->IsFirstFile();
+       pCmdUI->Enable(enabled);
+}
+
+/**
+ * @brief Move to last file
+ */
+void CMainFrame::OnLastFile()
+{
+       if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               if (CDirDoc* pDirDoc = pMergeDoc->GetDirDoc())
+                       pDirDoc->MoveToLastFile(pMergeDoc);
+}
+
+/**
+ * @brief Called when Move to last file item is updated
+ */
+void CMainFrame::OnUpdateLastFile(CCmdUI* pCmdUI)
+{
+       bool enabled = false;
+       if (IMergeDoc* pMergeDoc = GetActiveIMergeDoc())
+               if (CDirDoc* pDirDoc = pMergeDoc->GetDirDoc())
+                       enabled = !pDirDoc->IsLastFile();
+       pCmdUI->Enable(enabled);
 }
 
 void CMainFrame::ReloadMenu()
@@ -2474,8 +2916,8 @@ void CMainFrame::ReloadMenu()
                CWnd *pFrame = CWnd::FromHandle(::GetWindow(pMainFrame->m_hWndMDIClient, GW_CHILD));
                while (pFrame != nullptr)
                {
-                       if (pFrame->IsKindOf(RUNTIME_CLASS(CChildFrame)))
-                               static_cast<CChildFrame *>(pFrame)->SetSharedMenu(hNewMergeMenu);
+                       if (pFrame->IsKindOf(RUNTIME_CLASS(CMergeEditFrame)))
+                               static_cast<CMergeEditFrame *>(pFrame)->SetSharedMenu(hNewMergeMenu);
                        if (pFrame->IsKindOf(RUNTIME_CLASS(CHexMergeFrame)))
                                static_cast<CHexMergeFrame *>(pFrame)->SetSharedMenu(hNewMergeMenu);
                        if (pFrame->IsKindOf(RUNTIME_CLASS(CImgMergeFrame)))
@@ -2490,7 +2932,7 @@ void CMainFrame::ReloadMenu()
                CFrameWnd *pActiveFrame = pMainFrame->GetActiveFrame();
                if (pActiveFrame != nullptr)
                {
-                       if (pActiveFrame->IsKindOf(RUNTIME_CLASS(CChildFrame)))
+                       if (pActiveFrame->IsKindOf(RUNTIME_CLASS(CMergeEditFrame)))
                                pMainFrame->MDISetMenu(pNewMergeMenu, nullptr);
                        else if (pActiveFrame->IsKindOf(RUNTIME_CLASS(CHexMergeFrame)))
                                pMainFrame->MDISetMenu(pNewMergeMenu, nullptr);
@@ -2526,6 +2968,118 @@ void CMainFrame::ReloadMenu()
        }
 }
 
+void CMainFrame::AppendPluginMenus(CMenu *pMenu, const String& filteredFilenames,
+       const std::vector<std::wstring>& events, bool addAllMenu, unsigned baseId)
+{
+       if (!GetOptionsMgr()->GetBool(OPT_PLUGINS_ENABLED))
+               return;
+
+       auto [suggestedPlugins, allPlugins] = FileTransform::CreatePluginMenuInfos(filteredFilenames, events, baseId);
+
+       if (!addAllMenu)
+       {
+               pMenu->AppendMenu(MF_STRING, ID_SUGGESTED_PLUGINS, _("Suggested plugins").c_str());
+       }
+
+       for (const auto& [caption, name, id, plugin] : suggestedPlugins)
+               pMenu->AppendMenu(MF_STRING, id, caption.c_str());
+
+       CMenu* pMenu2 = pMenu;
+       CMenu popupAll;
+       if (addAllMenu)
+       {
+               popupAll.CreatePopupMenu();
+               pMenu->AppendMenu(MF_POPUP, reinterpret_cast<UINT_PTR>(popupAll.m_hMenu), _("Al&l").c_str());
+               pMenu2 = &popupAll;
+       }
+       else
+       {
+               pMenu->AppendMenu(MF_SEPARATOR, 0);
+               pMenu->AppendMenu(MF_STRING, ID_NOT_SUGGESTED_PLUGINS, _("Other plugins").c_str());
+       }
+
+       std::vector<String> processTypes;
+       for (const auto& [processType, pluginList] : allPlugins)
+               processTypes.push_back(processType);
+       auto it = std::find(processTypes.begin(), processTypes.end(), _("&Others"));
+       if (it != processTypes.end())
+       {
+               processTypes.erase(it);
+               processTypes.push_back(_("&Others"));
+       }
+
+       for (const auto& processType: processTypes)
+       {
+               CMenu popup;
+               popup.CreatePopupMenu();
+               if (processType.empty())
+               {
+                       for (const auto& [caption, name, id, plugin] : allPlugins[processType])
+                               pMenu2->AppendMenu(MF_STRING, id, caption.c_str());
+               }
+               else
+               {
+                       for (const auto& [caption, name, id, plugin] : allPlugins[processType])
+                               popup.AppendMenu(MF_STRING, id, caption.c_str());
+                       pMenu2->AppendMenu(MF_POPUP, reinterpret_cast<UINT_PTR>(popup.m_hMenu), processType.c_str());
+               }
+               popup.Detach();
+       }
+
+       if (addAllMenu)
+       {
+               if (baseId == ID_UNPACKERS_FIRST)
+                       pMenu2->AppendMenu(MF_STRING, ID_OPEN_WITH_UNPACKER, _("&Select...").c_str());
+               else if (baseId == ID_PREDIFFERS_FIRST)
+                       pMenu2->AppendMenu(MF_STRING, ID_APPLY_PREDIFFER, _("&Select...").c_str());
+       }
+       popupAll.Detach();
+}
+
+String CMainFrame::GetPluginPipelineByMenuId(unsigned idSearch, const std::vector<std::wstring>& events, unsigned baseId)
+{
+       PluginInfo* pluginFound = nullptr;
+       String pluginName;
+       auto [suggestedPlugins, allPlugins] = FileTransform::CreatePluginMenuInfos(_T(""), events, baseId);
+       for (const auto& [processType, pluginList] : allPlugins)
+       {
+               for (const auto& [caption, name, id, plugin] : pluginList)
+               {
+                       if (id == idSearch)
+                       {
+                               pluginName = name;
+                               pluginFound = plugin;
+                               break;
+                       }
+               }
+       }
+       if (pluginFound)
+       {
+               if (!pluginFound->GetExtendedPropertyValue(_T("ArgumentsRequired")).has_value() && 
+                   !pluginFound->GetExtendedPropertyValue(pluginName + _T(".ArgumentsRequired")).has_value())
+                       return pluginName;
+               CSelectPluginDlg dlg(pluginName, _T(""), 
+                       (baseId == ID_UNPACKERS_FIRST)  ? CSelectPluginDlg::PluginType::Unpacker    : (
+                       (baseId == ID_PREDIFFERS_FIRST) ? CSelectPluginDlg::PluginType::Prediffer   : 
+                                                         CSelectPluginDlg::PluginType::EditorScript), true);
+               if (dlg.DoModal() != IDOK)
+                       return {};
+               return dlg.GetPluginPipeline();
+       }
+       return {};
+}
+
+IMergeDoc* CMainFrame::GetActiveIMergeDoc()
+{
+       CFrameWnd* pFrame = GetActiveFrame();
+       if (!pFrame)
+               return nullptr;
+       IMergeDoc* pMergeDoc = dynamic_cast<IMergeDoc*>(pFrame->GetActiveDocument());
+       if (!pMergeDoc)
+               pMergeDoc = dynamic_cast<IMergeDoc *>(pFrame);
+       return pMergeDoc;
+}
+
 void CMainFrame::UpdateDocTitle()
 {
        CDocManager* pDocManager = AfxGetApp()->m_pDocManager;
@@ -2545,3 +3099,72 @@ void CMainFrame::UpdateDocTitle()
                }
        }
 }
+
+void CMainFrame::OnAccelQuit()
+{
+       // TODO: Add your command handler code here
+
+       SendMessage(WM_CLOSE);
+}
+
+LRESULT CMainFrame::OnChildFrameAdded(WPARAM wParam, LPARAM lParam)
+{
+       for (int i = 0; i < m_arrChild.GetSize(); ++i)
+       {
+               if (reinterpret_cast<CMDIChildWnd*>(lParam) == m_arrChild.GetAt(i))
+               {
+                       return 0;
+               }
+       }
+
+       m_arrChild.InsertAt(0, (CMDIChildWnd*)lParam);
+
+       return 1;
+}
+
+LRESULT CMainFrame::OnChildFrameRemoved(WPARAM wParam, LPARAM lParam)
+{
+       for (int i = 0; i < m_arrChild.GetSize(); ++i)
+       {
+               if (reinterpret_cast<CMDIChildWnd*>(lParam) == m_arrChild.GetAt(i))
+               {
+                       m_arrChild.RemoveAt(i);
+                       break;
+               }
+       }
+
+       return 1;
+}
+
+LRESULT CMainFrame::OnChildFrameActivate(WPARAM wParam, LPARAM lParam)
+{
+       for (int i = 0; i < m_arrChild.GetSize(); ++i)
+       {
+               if (reinterpret_cast<CMDIChildWnd*>(lParam) == m_arrChild.GetAt(i))
+               {
+                       CMDIChildWnd* pMDIChild = m_arrChild.GetAt(i);
+                       if (pMDIChild->IsIconic())
+                               pMDIChild->ShowWindow(SW_RESTORE);
+                       MDIActivate(pMDIChild);
+                       break;
+               }
+       }
+
+       return 1;
+}
+// put lParam as index 0 in m_arrChild
+LRESULT CMainFrame::OnChildFrameActivated(WPARAM wParam, LPARAM lParam)
+{
+       for (int i = 0; i < m_arrChild.GetSize(); ++i)
+       {
+               if (reinterpret_cast<CMDIChildWnd*>(lParam) == m_arrChild.GetAt(i))
+               {
+                       m_arrChild.RemoveAt(i);
+                       break;
+               }
+       }
+
+       m_arrChild.InsertAt(0, (CMDIChildWnd*)lParam);
+
+       return 1;
+}