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diff --git a/sw/source/core/inc/layact.hxx b/sw/source/core/inc/layact.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_SW_SOURCE_CORE_INC_LAYACT_HXX
+#define INCLUDED_SW_SOURCE_CORE_INC_LAYACT_HXX
+
+#include <sal/config.h>
+
+#include <vcl/inputtypes.hxx>
+#include <vcl/TaskStopwatch.hxx>
+#include <tools/color.hxx>
+
+#include <ctime>
+#include <memory>
+
+#include <swrect.hxx>
+
+class OutputDevice;
+class SwRootFrame;
+class SwLayoutFrame;
+class SwPageFrame;
+class SwFlyFrame;
+class SwContentFrame;
+class SwTabFrame;
+class SwViewShellImp;
+class SwContentNode;
+class SwWait;
+
+/**
+ * The usage of LayAction is always the same:
+ *
+ * 1. Generation of the LayAction object.
+ * 2. Specifying the wanted behaviour via the Set-methods
+ * 3. Calling Action()
+ * 4. Soon after that the destruction of the object
+ *
+ * The object registers at the SwViewShellImp in the ctor and deregisters not until
+ * the dtor!
+ * It's a typical stack object.
+ */
+class SwLayAction
+{
+    SwRootFrame  *m_pRoot;
+    SwViewShellImp  *m_pImp; // here the action logs in and off
+    TaskStopwatch* m_pWatch;
+
+    // For the sake of optimization, so that the tables stick a bit better to
+    // the Cursor when hitting return/backspace in front of one.
+    // The first TabFrame that paints itself (per page) adds itself to the pointer.
+    // The ContentFrames beneath the page do not need to deregister at the Shell for
+    // painting.
+    const SwTabFrame *m_pOptTab;
+
+    std::unique_ptr<SwWait> m_pWait;
+
+    // If a paragraph (or anything else) moved more than one page when
+    // formatting, it adds its new page number here.
+    // The InternalAction can then take the appropriate steps.
+    sal_uInt16 m_nPreInvaPage;
+
+    std::clock_t m_nStartTicks;      // The Action's starting time; if too much time passes the
+                                // WaitCursor can be enabled via CheckWaitCursor()
+
+    sal_uInt16 m_nEndPage;        // StatBar control
+    sal_uInt16 m_nCheckPageNum;   // CheckPageDesc() was delayed if != USHRT_MAX
+                                // check from this page onwards
+
+    bool m_bPaint;         // painting or only formatting?
+    bool m_bComplete;      // Format everything or just the visible Area?
+    bool m_bCalcLayout;    // Complete reformatting?
+    bool m_bAgain;         // For the automatically repeated Action if Pages are deleted
+    bool m_bNextCycle;     // Reset on the first invalid Page
+    bool m_bReschedule;    // Call Reschedule depending on Progress?
+    bool m_bInterrupt;     // For termination the layouting
+    bool m_bCheckPages;    // Run CheckPageDescs() or delay it
+    bool m_bUpdateExpFields; // Is set if, after Formatting, we need to do another round for ExpField
+    bool m_bBrowseActionStop; // Terminate Action early (as per bInput) and leave the rest to the Idler
+    bool m_bWaitAllowed;      // Waitcursor allowed?
+    bool m_bPaintExtraData;   // Painting line numbers (or similar) enabled?
+    bool m_bActionInProgress; // Is set in Action() at the beginning and deleted at the end
+
+    // OD 14.04.2003 #106346# - new flag for content formatting on interrupt.
+    bool    mbFormatContentOnInterrupt;
+
+    // for loop control by disabling in-row splitting within embedded tables
+    const SwPageFrame  *m_pCurPage;
+    sal_uInt16 m_nTabLevel;  // embedding level
+    sal_uInt32 m_nCallCount; // calling FormatLayoutTab on the same page
+
+    void PaintContent( const SwContentFrame *, const SwPageFrame *,
+                     const SwRect &rOldRect, long nOldBottom );
+    bool PaintWithoutFlys( const SwRect &, const SwContentFrame *,
+                           const SwPageFrame * );
+    inline bool PaintContent_( const SwContentFrame *, const SwPageFrame *,
+                             const SwRect & );
+
+    bool FormatLayout( OutputDevice* pRenderContext, SwLayoutFrame *, bool bAddRect = true );
+    bool FormatLayoutTab( SwTabFrame *, bool bAddRect );
+    bool FormatContent( const SwPageFrame* pPage );
+    void FormatContent_( const SwContentFrame* pContent,
+                       const SwPageFrame* pPage );
+    bool IsShortCut( SwPageFrame *& );
+
+    bool TurboAction();
+    bool TurboAction_( const SwContentFrame * );
+    void InternalAction(OutputDevice* pRenderContext);
+
+    static SwPageFrame *CheckFirstVisPage( SwPageFrame *pPage );
+
+    bool RemoveEmptyBrowserPages();
+
+public:
+    SwLayAction(SwRootFrame *pRt, SwViewShellImp *pImp, TaskStopwatch* pWatch = nullptr);
+    ~SwLayAction();
+
+    void SetCheckPages      ( bool bNew )   { m_bCheckPages = bNew; }
+    void SetBrowseActionStop( bool bNew )   { m_bBrowseActionStop = bNew; }
+    void SetNextCycle       ( bool bNew )   { m_bNextCycle = bNew; }
+
+    bool IsWaitAllowed()        const       { return m_bWaitAllowed; }
+    bool IsNextCycle()          const       { return m_bNextCycle; }
+    bool IsPaint()              const       { return m_bPaint; }
+    bool IsReschedule()         const       { return m_bReschedule;  }
+    bool IsIdle()               const       { return m_pWatch != nullptr; }
+    bool IsPaintExtraData()     const       { return m_bPaintExtraData; }
+    bool IsInterrupt();
+
+    // adjusting Action to the wanted behaviour
+    void SetPaint       ( bool bNew )   { m_bPaint = bNew; }
+    void SetComplete    ( bool bNew )   { m_bComplete = bNew; }
+    void SetStatBar     ( bool bNew );
+    void SetCalcLayout  ( bool bNew )   { m_bCalcLayout = bNew; }
+    void SetReschedule  ( bool bNew )   { m_bReschedule = bNew; }
+    void SetWaitAllowed ( bool bNew )   { m_bWaitAllowed = bNew; }
+
+    void SetAgain()         { m_bAgain = true; }
+    void SetUpdateExpFields() {m_bUpdateExpFields = true; }
+
+    inline void SetCheckPageNum( sal_uInt16 nNew );
+    void SetCheckPageNumDirect( sal_uInt16 nNew ) { m_nCheckPageNum = nNew; }
+
+    void Action(OutputDevice* pRenderContext); // here it begins
+    void Reset();   // back to CTor-defaults
+
+    bool IsAgain()      const { return m_bAgain; }
+    bool IsComplete()   const { return m_bComplete; }
+    bool IsExpFields()    const { return m_bUpdateExpFields; }
+    bool IsCalcLayout() const { return m_bCalcLayout;  }
+    bool IsCheckPages() const { return m_bCheckPages;  }
+    bool IsBrowseActionStop() const { return m_bBrowseActionStop; }
+    bool IsActionInProgress() const { return m_bActionInProgress; }
+
+    sal_uInt16 GetCheckPageNum() const { return m_nCheckPageNum; }
+
+    // others should be able to activate the WaitCursor, too
+    void CheckWaitCursor();
+
+    // #i28701# - method is now public;
+    // delete 2nd parameter, because it's not used;
+    void FormatLayoutFly( SwFlyFrame * );
+    // #i28701# - method is now public
+    void FormatFlyContent( const SwFlyFrame * );
+
+};
+
+class SwLayIdle
+{
+    TaskStopwatch m_aWatch;
+    SwRootFrame *pRoot;
+    SwViewShellImp  *pImp;           // The Idler registers and deregisters here
+    SwContentNode *pContentNode;    // The current cursor position is saved here
+    sal_Int32  nTextPos;
+    bool        bPageValid;     // Were we able to evaluate everything on the whole page?
+#ifdef DBG_UTIL
+    bool m_bIndicator;
+
+    void ShowIdle( Color eName );
+#endif
+
+    bool IsInterrupt();
+    enum IdleJobType{ ONLINE_SPELLING, AUTOCOMPLETE_WORDS, WORD_COUNT, SMART_TAGS };
+    bool DoIdleJob_( const SwContentFrame*, IdleJobType );
+    bool DoIdleJob( IdleJobType, bool bVisAreaOnly );
+
+public:
+    SwLayIdle( SwRootFrame *pRt, SwViewShellImp *pImp );
+    ~SwLayIdle();
+};
+
+inline void SwLayAction::SetCheckPageNum( sal_uInt16 nNew )
+{
+    if ( nNew < m_nCheckPageNum )
+        m_nCheckPageNum = nNew;
+}
+
+#endif // INCLUDED_SW_SOURCE_CORE_INC_LAYACT_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */