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Fix issue #784: Error on try to show differences between two different gif
[winmerge-jp/winmerge-jp.git] / Src / MainFrm.cpp
index 959a746..708ddb4 100644 (file)
 #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"
 #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;
@@ -70,7 +75,7 @@ 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);
@@ -80,7 +85,13 @@ 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 },
@@ -100,8 +111,6 @@ 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 },
@@ -110,6 +119,12 @@ 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 },
@@ -181,8 +196,14 @@ BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
        ON_UPDATE_COMMAND_UI(ID_RELOAD_PLUGINS, OnUpdateReloadPlugins)
        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, FRAME_FILE>))
+       ON_COMMAND(ID_FILE_NEW_TABLE, (OnFileNew<2, FRAME_FILE, true>))
+       ON_COMMAND(ID_FILE_NEW_HEX, (OnFileNew<2, FRAME_HEXFILE>))
+       ON_COMMAND(ID_FILE_NEW_IMAGE, (OnFileNew<2, FRAME_IMGFILE>))
+       ON_COMMAND(ID_FILE_NEW3, (OnFileNew<3, FRAME_FILE>))
+       ON_COMMAND(ID_FILE_NEW3_TABLE, (OnFileNew<2, FRAME_FILE, true>))
+       ON_COMMAND(ID_FILE_NEW3_HEX, (OnFileNew<3, FRAME_HEXFILE>))
+       ON_COMMAND(ID_FILE_NEW3_IMAGE, (OnFileNew<3, FRAME_IMGFILE>))
        ON_COMMAND(ID_TOOLS_FILTERS, OnToolsFilters)
        ON_COMMAND(ID_VIEW_STATUS_BAR, OnViewStatusBar)
        ON_UPDATE_COMMAND_UI(ID_VIEW_TAB_BAR, OnUpdateViewTabBar)
@@ -205,11 +226,11 @@ 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_NOTIFY(TBN_DROPDOWN, AFX_IDW_TOOLBAR, OnToolbarButtonDropDown)
        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_IGNORECASE, OnDiffIgnoreCase)
+       ON_UPDATE_COMMAND_UI(IDC_DIFF_IGNORECASE, OnUpdateDiffIgnoreCase)
        ON_COMMAND(IDC_DIFF_IGNOREEOL, OnDiffIgnoreEOL)
        ON_UPDATE_COMMAND_UI(IDC_DIFF_IGNOREEOL, OnUpdateDiffIgnoreEOL)
        ON_COMMAND(IDC_DIFF_IGNORECP, OnDiffIgnoreCP)
@@ -221,12 +242,20 @@ BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
        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)
-       //}}AFX_MSG_MAP
        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()
 
 /**
@@ -349,9 +378,7 @@ int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
        m_pDropHandler = new DropHandler(std::bind(&CMainFrame::OnDropFiles, this, std::placeholders::_1));
        RegisterDragDrop(m_hWnd, m_pDropHandler);
 
-       CWnd *pMDIChildWnd = FindWindowExW(m_hWnd, nullptr, _T("MDIClient"), nullptr);
-       if (pMDIChildWnd)
-               pMDIChildWnd->ModifyStyleEx(WS_EX_CLIENTEDGE, 0);
+       m_wndMDIClient.ModifyStyleEx(WS_EX_CLIENTEDGE, 0);
 
        return 0;
 }
@@ -382,25 +409,19 @@ void CMainFrame::OnDestroy(void)
                RevokeDragDrop(m_hWnd);
 }
 
-static HMENU GetSubmenu(HMENU mainMenu, UINT nIDFirstMenuItem, bool bFirstSubmenu)
+static HMENU GetSubmenu(HMENU menu, bool bFirstSubmenu)
 {
-       int i;
-       for (i = 0 ; i < ::GetMenuItemCount(mainMenu) ; i++)
-               if (::GetMenuItemID(::GetSubMenu(mainMenu, i), 0) == nIDFirstMenuItem)
-                       break;
-       HMENU menu = ::GetSubMenu(mainMenu, i);
-
        if (!bFirstSubmenu)
        {
                // look for last submenu
-               for (i = ::GetMenuItemCount(menu) ; i >= 0  ; i--)
+               for (int 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++)
+               for (int i = 0 ; i < ::GetMenuItemCount(menu) ; i++)
                        if (::GetSubMenu(menu, i) != nullptr)
                                return ::GetSubMenu(menu, i);
        }
@@ -409,6 +430,18 @@ static HMENU GetSubmenu(HMENU mainMenu, UINT nIDFirstMenuItem, bool bFirstSubmen
        return nullptr;
 }
 
+static HMENU GetSubmenu(HMENU mainMenu, UINT nIDFirstMenuItem, bool bFirstSubmenu)
+{
+       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, bFirstSubmenu);
+}
+
 /** 
  * @brief Find the scripts submenu from the main menu
  * As now this is the first submenu in "Edit" menu
@@ -612,7 +645,7 @@ 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,
@@ -620,9 +653,20 @@ bool CMainFrame::ShowAutoMergeDoc(CDirDoc * pDirDoc,
        const DWORD dwFlags[], const String strDesc[], const String& sReportFile /*= _T("")*/,
        const PackingInfo * infoUnpacker /*= nullptr*/)
 {
+       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 = FileTransform::GetUnpackedFileExtension(filteredFilenames, infoUnpacker);
+       }
        FileFilterHelper filterImg, filterBin;
        filterImg.UseMask(true);
        filterImg.SetMask(GetOptionsMgr()->GetString(OPT_CMP_IMG_FILEPATTERNS));
@@ -630,12 +674,38 @@ bool CMainFrame::ShowAutoMergeDoc(CDirDoc * pDirDoc,
        filterBin.SetMask(GetOptionsMgr()->GetString(OPT_CMP_BIN_FILEPATTERNS));
        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);
+}
+
+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*/)
+{
+       switch (nID)
+       {
+       case ID_MERGE_COMPARE_TEXT:
+               return GetMainFrame()->ShowTextMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker);
+       case ID_MERGE_COMPARE_TABLE:
+               return GetMainFrame()->ShowTableMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker);
+       case ID_MERGE_COMPARE_HEX:
+               return GetMainFrame()->ShowHexMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker);
+       case ID_MERGE_COMPARE_IMAGE:
+               return GetMainFrame()->ShowImgMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker);
+       default:
+               return GetMainFrame()->ShowAutoMergeDoc(pDirDoc, nFiles, ifileloc, dwFlags,
+                       strDesc, sReportFile, infoUnpacker);
+       }
 }
 
 std::array<bool, 3> GetROFromFlags(int nFiles, const DWORD dwFlags[])
@@ -670,7 +740,7 @@ 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*/)
@@ -705,6 +775,8 @@ bool CMainFrame::ShowMergeDoc(CDirDoc * pDirDoc,
                }
        }
 
+       pMergeDoc->SetEnableTableEditing(table);
+
        // Note that OpenDocs() takes care of closing compare window when needed.
        bool bResult = pMergeDoc->OpenDocs(nFiles, fileloc, GetROFromFlags(nFiles, dwFlags).data(), strDesc);
        if (bResult)
@@ -743,6 +815,22 @@ 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*/)
+{
+       return ShowTextOrTableMergeDoc(false, pDirDoc, nFiles, ifileloc, dwFlags, strDesc, sReportFile, infoUnpacker);
+}
+
+bool CMainFrame::ShowTableMergeDoc(CDirDoc* pDirDoc,
+       int nFiles, const FileLocation ifileloc[],
+       const DWORD dwFlags[], const String strDesc[], const String& sReportFile /*= _T("")*/,
+       const PackingInfo* infoUnpacker /*= nullptr*/)
+{
+       return ShowTextOrTableMergeDoc(true, pDirDoc, nFiles, ifileloc, dwFlags, strDesc, sReportFile, infoUnpacker);
+}
+
 bool CMainFrame::ShowHexMergeDoc(CDirDoc * pDirDoc, int nFiles, const FileLocation fileloc[],
        const DWORD dwFlags[], const String strDesc[], const String& sReportFile /*= _T("")*/,
        const PackingInfo * infoUnpacker /*= nullptr*/)
@@ -753,6 +841,8 @@ 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;
 
@@ -772,12 +862,12 @@ 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 ShowTextMergeDoc(pDirDoc, nFiles, fileloc, dwFlags, strDesc, sReportFile, infoUnpacker);
 
        for (int pane = 0; pane < nFiles; pane++)
        {
@@ -793,13 +883,36 @@ 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)
+{
+       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);
+}
+
 /**
  * @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);
 }
 
 /**
@@ -1045,6 +1158,17 @@ bool CMainFrame::DoFileOpen(const PathContext * pFiles /*= nullptr*/,
        return true;
 }
 
+bool CMainFrame::DoFileOpen(UINT nID, const PathContext* pFiles /*= nullptr*/,
+       const DWORD dwFlags[] /*= nullptr*/, const String strDesc[] /*= 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]);
+       return ShowMergeDoc(nID, pDirDoc, pFiles->GetSize(), fileloc,
+               dwFlags, strDesc);
+}
+
 void CMainFrame::UpdateFont(FRAMETYPE frame)
 {
        if (frame == FRAME_FOLDER)
@@ -1179,7 +1303,7 @@ 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);
@@ -1237,7 +1361,7 @@ 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);
@@ -1371,7 +1495,7 @@ void CMainFrame::OnDropFiles(const std::vector<String>& dropped_files)
 
        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))
+       if (::GetAsyncKeyState(VK_CONTROL) & 0x8000)
                recurse = !recurse;
 
        // If user has <Shift> pressed with one file selected,
@@ -1405,13 +1529,13 @@ void CMainFrame::OnPluginUnpackMode(UINT nID )
        switch (nID)
        {
        case ID_UNPACK_MANUAL:
-               FileTransform::g_UnpackerMode = PLUGIN_MANUAL;
+               FileTransform::g_UnpackerMode = PLUGIN_MODE::PLUGIN_MANUAL;
                break;
        case ID_UNPACK_AUTO:
-               FileTransform::g_UnpackerMode = PLUGIN_AUTO;
+               FileTransform::g_UnpackerMode = PLUGIN_MODE::PLUGIN_AUTO;
                break;
        }
-       GetOptionsMgr()->SaveOption(OPT_PLUGINS_UNPACKER_MODE, FileTransform::g_UnpackerMode);
+       GetOptionsMgr()->SaveOption(OPT_PLUGINS_UNPACKER_MODE, static_cast<int>(FileTransform::g_UnpackerMode));
 }
 
 void CMainFrame::OnUpdatePluginUnpackMode(CCmdUI* pCmdUI) 
@@ -1419,19 +1543,19 @@ 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(PLUGIN_MODE::PLUGIN_MANUAL == FileTransform::g_UnpackerMode);
        if (pCmdUI->m_nID == ID_UNPACK_AUTO)
-               pCmdUI->SetRadio(PLUGIN_AUTO == FileTransform::g_UnpackerMode);
+               pCmdUI->SetRadio(PLUGIN_MODE::PLUGIN_AUTO == FileTransform::g_UnpackerMode);
 }
 void CMainFrame::OnPluginPrediffMode(UINT nID )
 {
        switch (nID)
        {
        case ID_PREDIFFER_MANUAL:
-               FileTransform::g_PredifferMode = PLUGIN_MANUAL;
+               FileTransform::g_PredifferMode = PLUGIN_MODE::PLUGIN_MANUAL;
                break;
        case ID_PREDIFFER_AUTO:
-               FileTransform::g_PredifferMode = PLUGIN_AUTO;
+               FileTransform::g_PredifferMode = PLUGIN_MODE::PLUGIN_AUTO;
                break;
        }
        PrediffingInfo infoPrediffer;
@@ -1439,7 +1563,7 @@ void CMainFrame::OnPluginPrediffMode(UINT nID )
                pMergeDoc->SetPrediffer(&infoPrediffer);
        for (auto pDirDoc : GetAllDirDocs())
                pDirDoc->GetPluginManager().SetPrediffSettingAll(FileTransform::g_PredifferMode);
-       GetOptionsMgr()->SaveOption(OPT_PLUGINS_PREDIFFER_MODE, FileTransform::g_PredifferMode);
+       GetOptionsMgr()->SaveOption(OPT_PLUGINS_PREDIFFER_MODE, static_cast<int>(FileTransform::g_PredifferMode));
 }
 
 void CMainFrame::OnUpdatePluginPrediffMode(CCmdUI* pCmdUI) 
@@ -1447,9 +1571,9 @@ 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(PLUGIN_MODE::PLUGIN_MANUAL == FileTransform::g_PredifferMode);
        if (pCmdUI->m_nID == ID_PREDIFFER_AUTO)
-               pCmdUI->SetRadio(PLUGIN_AUTO == FileTransform::g_PredifferMode);
+               pCmdUI->SetRadio(PLUGIN_MODE::PLUGIN_AUTO == FileTransform::g_PredifferMode);
 }
 /**
  * @brief Called when "Reload Plugins" item is updated
@@ -1529,7 +1653,7 @@ void CMainFrame::OnSaveConfigData()
        if (configLog.WriteLogFile(sError))
        {
                String sFileName = configLog.GetFileName();
-               theApp.OpenFileToExternalEditor(sFileName);
+               CMergeApp::OpenFileToExternalEditor(sFileName);
        }
        else
        {
@@ -1549,7 +1673,7 @@ void CMainFrame::OnSaveConfigData()
  * @sa CMergeDoc::OpenDocs()
  * @sa CMergeDoc::TrySaveAs()
  */
-void CMainFrame::FileNew(int nPanes) 
+void CMainFrame::FileNew(int nPanes, FRAMETYPE frameType, bool table
 {
        CDirDoc *pDirDoc = static_cast<CDirDoc*>(theApp.m_pDirTemplate->CreateNewDocument());
        
@@ -1564,7 +1688,6 @@ void CMainFrame::FileNew(int nPanes)
                strDesc[1] = _("Untitled right");
                fileloc[0].encoding.SetCodepage(ucr::getDefaultCodepage());
                fileloc[1].encoding.SetCodepage(ucr::getDefaultCodepage());
-               ShowMergeDoc(pDirDoc, 2, fileloc, dwFlags, strDesc);
        }
        else
        {
@@ -1574,8 +1697,15 @@ void CMainFrame::FileNew(int nPanes)
                fileloc[0].encoding.SetCodepage(ucr::getDefaultCodepage());
                fileloc[1].encoding.SetCodepage(ucr::getDefaultCodepage());
                fileloc[2].encoding.SetCodepage(ucr::getDefaultCodepage());
-               ShowMergeDoc(pDirDoc, 3, fileloc, dwFlags, strDesc);
        }
+       UINT nID = ID_MERGE_COMPARE_TEXT;
+       switch (frameType)
+       {
+       case FRAME_FILE: nID = !table ? ID_MERGE_COMPARE_TEXT : ID_MERGE_COMPARE_TABLE; break;
+       case FRAME_HEXFILE: nID = ID_MERGE_COMPARE_HEX; break;
+       case FRAME_IMGFILE: nID = ID_MERGE_COMPARE_IMAGE; break;
+       }
+       ShowMergeDoc(nID, pDirDoc, nPanes, fileloc, dwFlags, strDesc);
 }
 
 /**
@@ -1588,14 +1718,10 @@ void CMainFrame::FileNew(int nPanes)
  * @sa CMergeDoc::OpenDocs()
  * @sa CMergeDoc::TrySaveAs()
  */
+template <int nFiles, CMainFrame::FRAMETYPE frameType, bool table>
 void CMainFrame::OnFileNew() 
 {
-       FileNew(2);
-}
-
-void CMainFrame::OnFileNew3() 
-{
-       FileNew(3);
+       FileNew(nFiles, frameType, table);
 }
 
 /**
@@ -1606,12 +1732,15 @@ void CMainFrame::OnToolsFilters()
        String title = _("Filters");
        CPropertySheet sht(title.c_str());
        LineFiltersDlg lineFiltersDlg;
+       SubstitutionFiltersDlg substitutionFiltersDlg;
        FileFiltersDlg fileFiltersDlg;
        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
@@ -1625,6 +1754,11 @@ 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>");
@@ -1656,8 +1790,12 @@ 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;
                        }
@@ -1678,6 +1816,9 @@ 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())
@@ -1841,15 +1982,8 @@ 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;
 }
 
@@ -1970,15 +2104,8 @@ 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()
@@ -2007,11 +2134,14 @@ 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))
        {
@@ -2024,28 +2154,28 @@ 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 };
@@ -2056,29 +2186,27 @@ 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);
 }
 
 /**
@@ -2196,7 +2324,7 @@ 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());
 }
 
 /**
@@ -2205,7 +2333,7 @@ void CMainFrame::OnHelpReleasenotes()
  */
 void CMainFrame::OnHelpTranslations()
 {
-       ShellExecute(nullptr, _T("open"), TranslationsUrl, nullptr, nullptr, SW_SHOWNORMAL);
+       shell::Open(TranslationsUrl);
 }
 
 /**
@@ -2299,12 +2427,29 @@ bool CMainFrame::DoOpenConflict(const String& conflictFile, const String strDesc
        return conflictCompared;
 }
 
+bool CMainFrame::DoSelfCompare(UINT nID, const String& file, const String strDesc[] /*= 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);
+}
+
 /**
  * @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(CMergeEditFrame));
        bool bHexMergeFrame = !!pFrame->IsKindOf(RUNTIME_CLASS(CHexMergeFrame));
@@ -2332,12 +2477,28 @@ 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)
@@ -2359,15 +2520,15 @@ void CMainFrame::OnUpdateDiffWhitespace(CCmdUI* pCmdUI)
        pCmdUI->Enable();
 }
 
-void CMainFrame::OnDiffCaseSensitive()
+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();
 }
 
@@ -2425,7 +2586,7 @@ void CMainFrame::OnUpdateCompareMethod(CCmdUI* pCmdUI)
 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());
@@ -2436,9 +2597,10 @@ 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);
@@ -2474,6 +2636,94 @@ void CMainFrame::OnUpdatePluginName(CCmdUI* pCmdUI)
        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()
 {
        // set the menu of the main frame window
@@ -2547,6 +2797,17 @@ void CMainFrame::ReloadMenu()
        }
 }
 
+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;