[Libreoffice-commits] core.git: Branch 'distro/collabora/cp-6.4' - desktop/inc desktop/source include/editeng include/sfx2 include/svl sc/source sd/source sfx2/source starmath/source sw/source

Tor Lillqvist (via logerrit) logerrit at kemper.freedesktop.org
Wed Jun 24 12:30:07 UTC 2020


 desktop/inc/lib/init.hxx                 |    3 -
 desktop/source/lib/init.cxx              |   14 ++++-
 include/editeng/outliner.hxx             |    2 
 include/sfx2/lokhelper.hxx               |   12 +++-
 include/sfx2/viewsh.hxx                  |    2 
 include/svl/undo.hxx                     |    2 
 sc/source/ui/docshell/dbdocfun.cxx       |    4 -
 sc/source/ui/docshell/docsh4.cxx         |    5 +-
 sc/source/ui/docshell/olinefun.cxx       |    9 +--
 sc/source/ui/inc/tabvwsh.hxx             |    5 --
 sc/source/ui/undo/undoblk.cxx            |    8 +--
 sc/source/ui/undo/undodat.cxx            |   10 ++--
 sc/source/ui/view/dbfunc3.cxx            |    7 +-
 sc/source/ui/view/gridwin.cxx            |    5 +-
 sc/source/ui/view/gridwin4.cxx           |    4 -
 sc/source/ui/view/tabview4.cxx           |    2 
 sc/source/ui/view/tabview5.cxx           |    3 -
 sc/source/ui/view/tabvwsh4.cxx           |   15 ++++--
 sc/source/ui/view/tabvwshc.cxx           |   14 +----
 sc/source/ui/view/viewfun2.cxx           |    4 -
 sc/source/ui/view/viewfunc.cxx           |   17 ++++---
 sd/source/ui/sidebar/SlideBackground.cxx |   10 ++--
 sfx2/source/view/lokcharthelper.cxx      |    4 -
 sfx2/source/view/lokhelper.cxx           |   75 ++++++++++++++++++++++++++-----
 sfx2/source/view/viewimp.hxx             |    1 
 sfx2/source/view/viewsh.cxx              |   19 ++++++-
 starmath/source/smmod.cxx                |    3 +
 sw/source/core/doc/docredln.cxx          |    3 -
 sw/source/core/text/txtcache.cxx         |    2 
 29 files changed, 185 insertions(+), 79 deletions(-)

New commits:
commit 984bd2d5e4e1277cab47f8c1053bdf9369b23935
Author:     Tor Lillqvist <tml at collabora.com>
AuthorDate: Tue Jun 2 12:46:51 2020 +0300
Commit:     Tor Lillqvist <tml at collabora.com>
CommitDate: Wed Jun 24 14:29:35 2020 +0200

    tdf#128502: Try to support multiple documents in LibreOfficeKit-using process
    
    The LibreOfficeKit-specific code typically has assumed that all the
    "views" (SfxViewShell instances) are for the same document, because
    all LibreOfficeKit-based application processes (including the "kit"
    processes in Online and the iOS app) so far have only had one document
    open at a time.
    
    It is now possible to pass several document file names on the command
    line to gtktiledviewer and that is an easy way to demonstrate how
    badly it still works even with this patch.
    
    Introduce a unique numeric document id that is increased in the
    LibLODocument_Impl constructor. Add APIs to access that. When
    iterating over views, try to skip views that are not of the document
    visible in the "current" view, if we know what the "current" view is.
    
    Also add a couple of FIXMEs at places where it is a bit unclear (to
    me) whether it is correct to iterate over all views, or whether only
    views for the "current" document are what we would want.
    
    Change-Id: Id5ebb92a115723cdeb23907163d5b5f282016252
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/95353
    Tested-by: Jenkins
    Reviewed-by: Tor Lillqvist <tml at collabora.com>
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97024
    Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice at gmail.com>

diff --git a/desktop/inc/lib/init.hxx b/desktop/inc/lib/init.hxx
index 5957f56ed344..237a17a59eee 100644
--- a/desktop/inc/lib/init.hxx
+++ b/desktop/inc/lib/init.hxx
@@ -149,8 +149,9 @@ namespace desktop {
         css::uno::Reference<css::lang::XComponent> mxComponent;
         std::shared_ptr< LibreOfficeKitDocumentClass > m_pDocumentClass;
         std::map<size_t, std::shared_ptr<CallbackFlushHandler>> mpCallbackFlushHandlers;
+        const int mnDocumentId;
 
-        explicit LibLODocument_Impl(const css::uno::Reference <css::lang::XComponent> &xComponent);
+        explicit LibLODocument_Impl(const css::uno::Reference <css::lang::XComponent> &xComponent, int nDocumentId = -1);
         ~LibLODocument_Impl();
     };
 
diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index bf07eee76637..a0767ad4c301 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -1181,8 +1181,9 @@ rtl::Reference<LOKClipboard> forceSetClipboardForCurrentView(LibreOfficeKitDocum
 
 } // anonymous namespace
 
-LibLODocument_Impl::LibLODocument_Impl(const uno::Reference <css::lang::XComponent> &xComponent)
+LibLODocument_Impl::LibLODocument_Impl(const uno::Reference <css::lang::XComponent> &xComponent, int nDocumentId)
     : mxComponent(xComponent)
+    , mnDocumentId(nDocumentId)
 {
     if (!(m_pDocumentClass = gDocumentClass.lock()))
     {
@@ -2120,6 +2121,8 @@ static LibreOfficeKitDocument* lo_documentLoadWithOptions(LibreOfficeKit* pThis,
 
     SolarMutexGuard aGuard;
 
+    static int nDocumentIdCounter = 0;
+
     LibLibreOffice_Impl* pLib = static_cast<LibLibreOffice_Impl*>(pThis);
     pLib->maLastExceptionMsg.clear();
 
@@ -2216,7 +2219,10 @@ static LibreOfficeKitDocument* lo_documentLoadWithOptions(LibreOfficeKit* pThis,
             return nullptr;
         }
 
-        LibLODocument_Impl* pDocument = new LibLODocument_Impl(xComponent);
+        LibLODocument_Impl* pDocument = new LibLODocument_Impl(xComponent, nDocumentIdCounter++);
+
+        // Do we know that after loading the document, its initial view is the "current" view?
+        SfxLokHelper::setDocumentIdOfView(pDocument->mnDocumentId);
         if (pLib->mpCallback)
         {
             int nState = doc_getSignatureState(pDocument);
@@ -3108,7 +3114,9 @@ static void doc_paintPartTile(LibreOfficeKitDocument* pThis,
     {
         // tile painting always needs a SfxViewShell::Current(), but actually
         // it does not really matter which one - all of them should paint the
-        // same thing.
+        // same thing. It's important to get a view for the correct document,
+        // though.
+        // doc_getViewsCount() returns the count of views for the document in the current view.
         int viewCount = doc_getViewsCount(pThis);
         if (viewCount == 0)
             return;
diff --git a/include/editeng/outliner.hxx b/include/editeng/outliner.hxx
index acb484943bf7..70dd8fd3b2fc 100644
--- a/include/editeng/outliner.hxx
+++ b/include/editeng/outliner.hxx
@@ -363,6 +363,8 @@ class SAL_NO_VTABLE SAL_DLLPUBLIC_RTTI OutlinerViewShell
 public:
     virtual void libreOfficeKitViewCallback(int nType, const char* pPayload) const = 0;
     virtual ViewShellId GetViewShellId() const = 0;
+    virtual void SetDocId(ViewShellDocId nId) = 0;
+    virtual ViewShellDocId GetDocId() const = 0;
     /// Wrapper around SfxLokHelper::notifyOtherViews().
     virtual void NotifyOtherViews(int nType, const OString& rKey, const OString& rPayload) = 0;
     /// Wrapper around SfxLokHelper::notifyOtherView().
diff --git a/include/sfx2/lokhelper.hxx b/include/sfx2/lokhelper.hxx
index 89b4972d8914..032c656f1a4d 100644
--- a/include/sfx2/lokhelper.hxx
+++ b/include/sfx2/lokhelper.hxx
@@ -52,8 +52,12 @@ public:
     static int getView(SfxViewShell* pViewShell = nullptr);
     /// Get the number of views of the current object shell.
     static std::size_t getViewsCount();
-    /// Get viewIds of all existing views.
+    /// Get viewIds of views of the current object shell.
     static bool getViewIds(int* pArray, size_t nSize);
+    /// Set the document id of the currently active view
+    static void setDocumentIdOfView(int nId);
+    /// Get the document id for a view
+    static int getDocumentIdOfView(int nViewId);
     /// Get the default language that should be used for views
     static LanguageTag getDefaultLanguage();
     /// Set language of the given view.
@@ -69,7 +73,7 @@ public:
     /// Iterate over any view shell, except pThisViewShell, passing it to the f function.
     template<typename ViewShellType, typename FunctionType>
     static void forEachOtherView(ViewShellType* pThisViewShell, FunctionType f);
-    /// Invoke the LOK callback of all views except pThisView, with a payload of rKey-rPayload.
+    /// Invoke the LOK callback of all other views showing the same document as pThisView, with a payload of rKey-rPayload.
     static void notifyOtherViews(SfxViewShell* pThisView, int nType, const OString& rKey, const OString& rPayload);
     /// Same as notifyOtherViews(), but works on a selected "other" view, not on all of them.
     static void notifyOtherView(SfxViewShell* pThisView, SfxViewShell const* pOtherView, int nType, const OString& rKey, const OString& rPayload);
@@ -82,7 +86,7 @@ public:
                              const std::vector<vcl::LOKPayloadItem>& rPayload = std::vector<vcl::LOKPayloadItem>());
     /// Emits a LOK_CALLBACK_DOCUMENT_SIZE_CHANGED - if @bInvalidateAll - first invalidates all parts
     static void notifyDocumentSizeChanged(SfxViewShell const* pThisView, const OString& rPayload, vcl::ITiledRenderable* pDoc, bool bInvalidateAll = true);
-    /// Emits a LOK_CALLBACK_DOCUMENT_SIZE_CHANGED for all views - if @bInvalidateAll - first invalidates all parts
+    /// Emits a LOK_CALLBACK_DOCUMENT_SIZE_CHANGED for all views of the same document - if @bInvalidateAll - first invalidates all parts
     static void notifyDocumentSizeChangedAllViews(vcl::ITiledRenderable* pDoc, bool bInvalidateAll = true);
     /// Emits a LOK_CALLBACK_INVALIDATE_TILES, but tweaks it according to setOptionalFeatures() if needed.
     static void notifyInvalidation(SfxViewShell const* pThisView, const OString& rPayload);
@@ -117,7 +121,7 @@ void SfxLokHelper::forEachOtherView(ViewShellType* pThisViewShell, FunctionType
     while (pViewShell)
     {
         auto pOtherViewShell = dynamic_cast<ViewShellType*>(pViewShell);
-        if (pOtherViewShell != nullptr && pOtherViewShell != pThisViewShell)
+        if (pOtherViewShell != nullptr && pOtherViewShell != pThisViewShell && pOtherViewShell->GetDocId() == pThisViewShell->GetDocId())
         {
             f(pOtherViewShell);
         }
diff --git a/include/sfx2/viewsh.hxx b/include/sfx2/viewsh.hxx
index f416dcf07706..e9964a20adfb 100644
--- a/include/sfx2/viewsh.hxx
+++ b/include/sfx2/viewsh.hxx
@@ -340,6 +340,8 @@ public:
     virtual void dumpAsXml(xmlTextWriterPtr pWriter) const;
     /// See OutlinerViewShell::GetViewShellId().
     ViewShellId GetViewShellId() const override;
+    void SetDocId(ViewShellDocId nId) override;
+    ViewShellDocId GetDocId() const override;
     /// See OutlinerViewShell::NotifyOtherViews().
     void NotifyOtherViews(int nType, const OString& rKey, const OString& rPayload) override;
     /// See OutlinerViewShell::NotifyOtherView().
diff --git a/include/svl/undo.hxx b/include/svl/undo.hxx
index 1ba5e63ad4f7..250fe106d08e 100644
--- a/include/svl/undo.hxx
+++ b/include/svl/undo.hxx
@@ -28,6 +28,8 @@
 #include <vector>
 
 typedef o3tl::strong_int<sal_Int32, struct ViewShellIdTag> ViewShellId;
+typedef o3tl::strong_int<int, struct ViewShellDocIdTag> ViewShellDocId;
+
 typedef struct _xmlTextWriter* xmlTextWriterPtr;
 
 class SVL_DLLPUBLIC SfxRepeatTarget
diff --git a/sc/source/ui/docshell/dbdocfun.cxx b/sc/source/ui/docshell/dbdocfun.cxx
index 417c10dcd58a..27fb6ee9b692 100644
--- a/sc/source/ui/docshell/dbdocfun.cxx
+++ b/sc/source/ui/docshell/dbdocfun.cxx
@@ -629,7 +629,8 @@ bool ScDBDocFunc::Query( SCTAB nTab, const ScQueryParam& rQueryParam,
 
     ScDocument& rDoc = rDocShell.GetDocument();
 
-    if (ScTabViewShell::isAnyEditViewInRange(/*bColumns*/ false, rQueryParam.nRow1, rQueryParam.nRow2))
+    ScTabViewShell* pViewSh = rDocShell.GetBestViewShell();
+    if (pViewSh && ScTabViewShell::isAnyEditViewInRange(pViewSh, /*bColumns*/ false, rQueryParam.nRow1, rQueryParam.nRow2))
     {
         return false;
     }
@@ -942,7 +943,6 @@ bool ScDBDocFunc::Query( SCTAB nTab, const ScQueryParam& rQueryParam,
                                         pOld, bDoSize, pAdvSource ) );
     }
 
-    ScTabViewShell* pViewSh = rDocShell.GetBestViewShell();
     if ( pViewSh )
     {
         // could there be horizontal autofilter ?
diff --git a/sc/source/ui/docshell/docsh4.cxx b/sc/source/ui/docshell/docsh4.cxx
index 913e97d857c4..820a0bb66892 100644
--- a/sc/source/ui/docshell/docsh4.cxx
+++ b/sc/source/ui/docshell/docsh4.cxx
@@ -2520,10 +2520,13 @@ void ScDocShell::LOKCommentNotify(LOKCommentNotificationType nType, const ScDocu
     boost::property_tree::write_json(aStream, aTree);
     std::string aPayload = aStream.str();
 
+    ScViewData* pViewData = GetViewData();
+    SfxViewShell* pThisViewShell = ( pViewData ? pViewData->GetViewShell() : nullptr );
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
-        pViewShell->libreOfficeKitViewCallback(LOK_CALLBACK_COMMENT, aPayload.c_str());
+        if (pThisViewShell == nullptr || pViewShell->GetDocId() == pThisViewShell->GetDocId())
+            pViewShell->libreOfficeKitViewCallback(LOK_CALLBACK_COMMENT, aPayload.c_str());
         pViewShell = SfxViewShell::GetNext(*pViewShell);
     }
 }
diff --git a/sc/source/ui/docshell/olinefun.cxx b/sc/source/ui/docshell/olinefun.cxx
index c3da9c9fcf5d..8b99085ffd16 100644
--- a/sc/source/ui/docshell/olinefun.cxx
+++ b/sc/source/ui/docshell/olinefun.cxx
@@ -315,6 +315,7 @@ bool ScOutlineDocFunc::SelectLevel( SCTAB nTab, bool bColumns, sal_uInt16 nLevel
                                     bool bRecord, bool bPaint )
 {
     ScDocument& rDoc = rDocShell.GetDocument();
+    ScTabViewShell* pViewSh = rDocShell.GetBestViewShell();
 
     if (bRecord && !rDoc.IsUndoEnabled())
         bRecord = false;
@@ -362,7 +363,7 @@ bool ScOutlineDocFunc::SelectLevel( SCTAB nTab, bool bColumns, sal_uInt16 nLevel
         sal_uInt16 nThisLevel = aIter.LastLevel();
         bool bShow = (nThisLevel < nLevel);
 
-        if (!bShow && ScTabViewShell::isAnyEditViewInRange(bColumns, nThisStart, nThisEnd))
+        if (!bShow && pViewSh && ScTabViewShell::isAnyEditViewInRange(pViewSh, bColumns, nThisStart, nThisEnd))
             continue;
 
         if (bShow)                                          // enable
@@ -410,7 +411,6 @@ bool ScOutlineDocFunc::SelectLevel( SCTAB nTab, bool bColumns, sal_uInt16 nLevel
     rDoc.SetDrawPageSize(nTab);
     rDoc.UpdatePageBreaks( nTab );
 
-    ScTabViewShell* pViewSh = rDocShell.GetBestViewShell();
     if ( pViewSh )
         pViewSh->OnLOKShowHideColRow(bColumns, nStart - 1);
 
@@ -733,8 +733,8 @@ bool ScOutlineDocFunc::HideOutline( SCTAB nTab, bool bColumns, sal_uInt16 nLevel
     SCCOLROW nStart = pEntry->GetStart();
     SCCOLROW nEnd   = pEntry->GetEnd();
 
-
-    if (ScTabViewShell::isAnyEditViewInRange(bColumns, nStart, nEnd))
+    ScTabViewShell* pViewSh = rDocShell.GetBestViewShell();
+    if (pViewSh && ScTabViewShell::isAnyEditViewInRange(pViewSh, bColumns, nStart, nEnd))
         return false;
 
     // TODO undo can mess things up when another view is editing a cell in the range of group entry
@@ -775,7 +775,6 @@ bool ScOutlineDocFunc::HideOutline( SCTAB nTab, bool bColumns, sal_uInt16 nLevel
     rDoc.InvalidatePageBreaks(nTab);
     rDoc.UpdatePageBreaks( nTab );
 
-    ScTabViewShell* pViewSh = rDocShell.GetBestViewShell();
     if ( pViewSh )
         pViewSh->OnLOKShowHideColRow(bColumns, nStart - 1);
 
diff --git a/sc/source/ui/inc/tabvwsh.hxx b/sc/source/ui/inc/tabvwsh.hxx
index bfdc447e8cbc..bf00763a42a1 100644
--- a/sc/source/ui/inc/tabvwsh.hxx
+++ b/sc/source/ui/inc/tabvwsh.hxx
@@ -390,9 +390,8 @@ public:
     /// See SfxViewShell::NotifyCursor().
     void NotifyCursor(SfxViewShell* pViewShell) const override;
     /// Emits a LOK_CALLBACK_INVALIDATE_HEADER for all views whose current tab is equal to nCurrentTabIndex
-    static void notifyAllViewsHeaderInvalidation(HeaderType eHeaderType, SCTAB nCurrentTabIndex);
-    static void notifyAllViewsHeaderInvalidation(bool Columns, SCTAB nCurrentTabIndex);
-    static bool isAnyEditViewInRange(bool bColumns, SCCOLROW nStart, SCCOLROW nEnd);
+    static void notifyAllViewsHeaderInvalidation(SfxViewShell* pForViewShell, HeaderType eHeaderType, SCTAB nCurrentTabIndex);
+    static bool isAnyEditViewInRange(SfxViewShell* pForViewShell, bool bColumns, SCCOLROW nStart, SCCOLROW nEnd);
     css::uno::Reference<css::drawing::XShapes> getSelectedXShapes();
     static  css::uno::Reference<css::datatransfer::XTransferable2> GetClipData(vcl::Window* pWin);
 
diff --git a/sc/source/ui/undo/undoblk.cxx b/sc/source/ui/undo/undoblk.cxx
index 7c07be1f45be..3484d7d2ad0e 100644
--- a/sc/source/ui/undo/undoblk.cxx
+++ b/sc/source/ui/undo/undoblk.cxx
@@ -275,10 +275,10 @@ void ScUndoInsertCells::DoChange( const bool bUndo )
         if (comphelper::LibreOfficeKit::isActive())
         {
             if (eCmd == INS_INSCOLS_BEFORE || eCmd == INS_INSCOLS_AFTER || eCmd == INS_CELLSRIGHT)
-                ScTabViewShell::notifyAllViewsHeaderInvalidation(COLUMN_HEADER,  pViewShell->GetViewData().GetTabNo());
+                ScTabViewShell::notifyAllViewsHeaderInvalidation(pViewShell, COLUMN_HEADER,  pViewShell->GetViewData().GetTabNo());
 
             if (eCmd == INS_INSROWS_BEFORE || eCmd == INS_INSROWS_AFTER || eCmd == INS_CELLSDOWN)
-                ScTabViewShell::notifyAllViewsHeaderInvalidation(ROW_HEADER,  pViewShell->GetViewData().GetTabNo());
+                ScTabViewShell::notifyAllViewsHeaderInvalidation(pViewShell, ROW_HEADER, pViewShell->GetViewData().GetTabNo());
         }
     }
 }
@@ -536,10 +536,10 @@ void ScUndoDeleteCells::DoChange( const bool bUndo )
         if (comphelper::LibreOfficeKit::isActive())
         {
             if (eCmd == DelCellCmd::Cols || eCmd == DelCellCmd::CellsLeft)
-                ScTabViewShell::notifyAllViewsHeaderInvalidation(COLUMN_HEADER,  pViewShell->GetViewData().GetTabNo());
+                ScTabViewShell::notifyAllViewsHeaderInvalidation(pViewShell, COLUMN_HEADER, pViewShell->GetViewData().GetTabNo());
 
             if (eCmd == DelCellCmd::Rows || eCmd == DelCellCmd::CellsUp)
-                ScTabViewShell::notifyAllViewsHeaderInvalidation(ROW_HEADER,  pViewShell->GetViewData().GetTabNo());
+                ScTabViewShell::notifyAllViewsHeaderInvalidation(pViewShell, ROW_HEADER, pViewShell->GetViewData().GetTabNo());
         }
 
     }
diff --git a/sc/source/ui/undo/undodat.cxx b/sc/source/ui/undo/undodat.cxx
index 34d9ffb32f52..6bb8f0f76566 100644
--- a/sc/source/ui/undo/undodat.cxx
+++ b/sc/source/ui/undo/undodat.cxx
@@ -179,7 +179,7 @@ void ScUndoMakeOutline::Undo()
 
     pDocShell->PostPaint(0,0,nTab,rDoc.MaxCol(),rDoc.MaxRow(),nTab,PaintPartFlags::Grid|PaintPartFlags::Left|PaintPartFlags::Top|PaintPartFlags::Size);
 
-    ScTabViewShell::notifyAllViewsHeaderInvalidation( bColumns, nTab );
+    ScTabViewShell::notifyAllViewsHeaderInvalidation( pViewShell, bColumns ? COLUMN_HEADER : ROW_HEADER, nTab );
 
     EndUndo();
 }
@@ -449,7 +449,7 @@ void ScUndoRemoveAllOutlines::Undo()
 
     pDocShell->PostPaint(0,0,nTab,rDoc.MaxCol(),rDoc.MaxRow(),nTab,PaintPartFlags::Grid|PaintPartFlags::Left|PaintPartFlags::Top|PaintPartFlags::Size);
 
-    ScTabViewShell::notifyAllViewsHeaderInvalidation(BOTH_HEADERS, nTab);
+    ScTabViewShell::notifyAllViewsHeaderInvalidation(pViewShell, BOTH_HEADERS, nTab);
 
     EndUndo();
 }
@@ -733,13 +733,13 @@ OUString ScUndoQuery::GetComment() const
 
 void ScUndoQuery::Undo()
 {
-    if (ScTabViewShell::isAnyEditViewInRange(/*bColumns*/ false, aQueryParam.nRow1, aQueryParam.nRow2))
+    ScTabViewShell* pViewShell = ScTabViewShell::GetActiveViewShell();
+    if (ScTabViewShell::isAnyEditViewInRange(pViewShell, /*bColumns*/ false, aQueryParam.nRow1, aQueryParam.nRow2))
         return;
 
     BeginUndo();
 
     ScDocument& rDoc = pDocShell->GetDocument();
-    ScTabViewShell* pViewShell = ScTabViewShell::GetActiveViewShell();
 
     bool bCopy = !aQueryParam.bInplace;
     SCCOL nDestEndCol = 0;
@@ -814,7 +814,7 @@ void ScUndoQuery::Undo()
 
     // invalidate cache positions and update cursor and selection
     pViewShell->OnLOKShowHideColRow(/*bColumns*/ false, aQueryParam.nRow1 - 1);
-    ScTabViewShell::notifyAllViewsHeaderInvalidation(ROW_HEADER, nTab);
+    ScTabViewShell::notifyAllViewsHeaderInvalidation(pViewShell, ROW_HEADER, nTab);
 
     //  Paint
 
diff --git a/sc/source/ui/view/dbfunc3.cxx b/sc/source/ui/view/dbfunc3.cxx
index d25183400750..538e9102236b 100644
--- a/sc/source/ui/view/dbfunc3.cxx
+++ b/sc/source/ui/view/dbfunc3.cxx
@@ -93,7 +93,7 @@ void ScDBFunc::MakeOutline( bool bColumns, bool bRecord )
         ScOutlineDocFunc aFunc(*pDocSh);
         aFunc.MakeOutline( aRange, bColumns, bRecord, false );
 
-        ScTabViewShell::notifyAllViewsHeaderInvalidation(bColumns, GetViewData().GetTabNo());
+        ScTabViewShell::notifyAllViewsHeaderInvalidation(GetViewData().GetViewShell(), bColumns ? COLUMN_HEADER : ROW_HEADER, GetViewData().GetTabNo());
     }
     else
         ErrorMessage(STR_NOMULTISELECT);
@@ -110,7 +110,7 @@ void ScDBFunc::RemoveOutline( bool bColumns, bool bRecord )
         ScOutlineDocFunc aFunc(*pDocSh);
         aFunc.RemoveOutline( aRange, bColumns, bRecord, false );
 
-        ScTabViewShell::notifyAllViewsHeaderInvalidation(bColumns, GetViewData().GetTabNo());
+        ScTabViewShell::notifyAllViewsHeaderInvalidation(GetViewData().GetViewShell(), bColumns ? COLUMN_HEADER : ROW_HEADER, GetViewData().GetTabNo());
     }
     else
         ErrorMessage(STR_NOMULTISELECT);
@@ -2224,11 +2224,12 @@ void ScDBFunc::OnLOKShowHideColRow(bool bColumns, SCCOLROW nStart)
         return;
 
     SCTAB nCurrentTabIndex = GetViewData().GetTabNo();
+    SfxViewShell* pThisViewShell = GetViewData().GetViewShell();
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
         ScTabViewShell* pTabViewShell = dynamic_cast<ScTabViewShell*>(pViewShell);
-        if (pTabViewShell)
+        if (pTabViewShell && pTabViewShell->GetDocId() == pThisViewShell->GetDocId())
         {
             if (bColumns)
                 pTabViewShell->GetViewData().GetLOKWidthHelper(nCurrentTabIndex)->invalidateByIndex(nStart);
diff --git a/sc/source/ui/view/gridwin.cxx b/sc/source/ui/view/gridwin.cxx
index 78489cd933b0..fb58c75c506a 100644
--- a/sc/source/ui/view/gridwin.cxx
+++ b/sc/source/ui/view/gridwin.cxx
@@ -840,7 +840,7 @@ void ScGridWindow::UpdateAutoFilterFromMenu(AutoFilterMode eMode)
             // Something went terribly wrong!
             return;
 
-        if (ScTabViewShell::isAnyEditViewInRange(/*bColumns*/ false, aParam.nRow1, aParam.nRow2))
+        if (ScTabViewShell::isAnyEditViewInRange(pViewData->GetViewShell(), /*bColumns*/ false, aParam.nRow1, aParam.nRow2))
             return;
 
         pEntry->bDoQuery = true;
@@ -5746,6 +5746,9 @@ void ScGridWindow::notifyKitCellViewCursor(const SfxViewShell* pForShell) const
 {
     ScTabViewShell* pViewShell = pViewData->GetViewShell();
 
+    if (pViewShell->GetDocId() != pForShell->GetDocId())
+        return;
+
     OString aCursor("EMPTY");
     if (mpOOCursors) // cf. getCellCursor above
     {
diff --git a/sc/source/ui/view/gridwin4.cxx b/sc/source/ui/view/gridwin4.cxx
index 7db9ed9a9485..4f4c64769d2d 100644
--- a/sc/source/ui/view/gridwin4.cxx
+++ b/sc/source/ui/view/gridwin4.cxx
@@ -334,7 +334,7 @@ void ScGridWindow::InvalidateLOKViewCursor(const tools::Rectangle& rCursorRect,
 
     while (pViewShell)
     {
-        if (pViewShell != pThisViewShell)
+        if (pViewShell != pThisViewShell && pViewShell->GetDocId() == pThisViewShell->GetDocId())
         {
             ScTabViewShell* pOtherViewShell = dynamic_cast<ScTabViewShell*>(pViewShell);
             if (pOtherViewShell)
@@ -953,7 +953,7 @@ void ScGridWindow::DrawContent(OutputDevice &rDevice, const ScTableInfo& rTableI
 
         while (pViewShell)
         {
-            if (pViewShell != pThisViewShell)
+            if (pViewShell != pThisViewShell && pViewShell->GetDocId() == pThisViewShell->GetDocId())
             {
                 ScTabViewShell* pTabViewShell = dynamic_cast<ScTabViewShell*>(pViewShell);
                 if (pTabViewShell)
diff --git a/sc/source/ui/view/tabview4.cxx b/sc/source/ui/view/tabview4.cxx
index 3cbd121fb10b..680c578ed7a9 100644
--- a/sc/source/ui/view/tabview4.cxx
+++ b/sc/source/ui/view/tabview4.cxx
@@ -391,7 +391,7 @@ static long lcl_GetScrollRange( SCCOLROW nDocEnd, SCCOLROW nPos, SCCOLROW nVis,
 
 void ScTabView::UpdateScrollBars( HeaderType eHeaderType )
 {
-    ScTabViewShell::notifyAllViewsHeaderInvalidation(eHeaderType, GetViewData().GetTabNo());
+    ScTabViewShell::notifyAllViewsHeaderInvalidation(GetViewData().GetViewShell(), eHeaderType, GetViewData().GetTabNo());
 
     long        nDiff;
     bool        bTop =   ( aViewData.GetVSplitMode() != SC_SPLIT_NONE );
diff --git a/sc/source/ui/view/tabview5.cxx b/sc/source/ui/view/tabview5.cxx
index b075b748f0e3..e504cf231698 100644
--- a/sc/source/ui/view/tabview5.cxx
+++ b/sc/source/ui/view/tabview5.cxx
@@ -672,11 +672,12 @@ void ScTabView::OnLOKNoteStateChanged(const ScPostIt* pNote)
     aInvalidRect.AdjustTop( -nBorderSize );
     aInvalidRect.AdjustBottom( nBorderSize );
 
+    SfxViewShell* pCurrentViewShell = SfxViewShell::Current();
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
         ScTabViewShell* pTabViewShell = dynamic_cast<ScTabViewShell*>(pViewShell);
-        if (pTabViewShell)
+        if (pTabViewShell && pViewShell->GetDocId() == pCurrentViewShell->GetDocId())
         {
             for (auto& pWin: pTabViewShell->pGridWin)
             {
diff --git a/sc/source/ui/view/tabvwsh4.cxx b/sc/source/ui/view/tabvwsh4.cxx
index 5dbcfa2d70e5..72e68c5e0514 100644
--- a/sc/source/ui/view/tabvwsh4.cxx
+++ b/sc/source/ui/view/tabvwsh4.cxx
@@ -1,4 +1,4 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
 /*
  * This file is part of the LibreOffice project.
  *
@@ -126,6 +126,11 @@ void ScTabViewShell::Activate(bool bMDI)
                     SfxViewShell* pSh = SfxViewShell::GetFirst( true, checkSfxViewShell<ScTabViewShell> );
                     while ( pSh!=nullptr && pOldHdl!=nullptr)
                     {
+                        // Hmm, what if pSh is a shell for a different document? But as this code
+                        // does not seem to be LibreOfficeKit-specific, probably that doesn't
+                        // happen, because having multiple documents open simultaneously has of
+                        // course not been a problem at all in traditional desktop LibreOffice.
+                        // (Unlike in a LibreOfficeKit-based process where it has been a problem.)
                         if (static_cast<ScTabViewShell*>(pSh)->GetInputHandler() == pOldHdl)
                         {
                             pOldHdl->ResetDelayTimer();
@@ -1691,8 +1696,12 @@ ScTabViewShell::ScTabViewShell( SfxViewFrame* pViewFrame,
         // have we already one view ?
         if (pViewShell)
         {
-            // this view is not yet visible at this stage, so we look for not visible views, too
-            SfxViewShell* pViewShell2 = SfxViewShell::GetNext(*pViewShell, /*only visible shells*/ false);
+            // this view is not yet visible at this stage, so we look for not visible views, too, for this same document
+            SfxViewShell* pViewShell2 = pViewShell;
+            do
+            {
+                pViewShell2 = SfxViewShell::GetNext(*pViewShell2, /*only visible shells*/ false);
+            } while (pViewShell2 && pViewShell2->GetDocId() != pViewShell->GetDocId());
             // if the second view is not this one, it means that there is
             // already more than one active view and so the formula mode
             // has already been disabled
diff --git a/sc/source/ui/view/tabvwshc.cxx b/sc/source/ui/view/tabvwshc.cxx
index 37c33f8e2930..0b9de2044c9c 100644
--- a/sc/source/ui/view/tabvwshc.cxx
+++ b/sc/source/ui/view/tabvwshc.cxx
@@ -495,7 +495,7 @@ css::uno::Reference<css::datatransfer::XTransferable2> ScTabViewShell::GetClipDa
     return xTransferable;
 }
 
-void ScTabViewShell::notifyAllViewsHeaderInvalidation(HeaderType eHeaderType, SCTAB nCurrentTabIndex)
+void ScTabViewShell::notifyAllViewsHeaderInvalidation(SfxViewShell* pForViewShell, HeaderType eHeaderType, SCTAB nCurrentTabIndex)
 {
     if (comphelper::LibreOfficeKit::isActive())
     {
@@ -518,7 +518,7 @@ void ScTabViewShell::notifyAllViewsHeaderInvalidation(HeaderType eHeaderType, SC
         while (pViewShell)
         {
             ScTabViewShell* pTabViewShell = dynamic_cast<ScTabViewShell*>(pViewShell);
-            if (pTabViewShell && (nCurrentTabIndex == -1 || pTabViewShell->getPart() == nCurrentTabIndex))
+            if (pTabViewShell && pViewShell->GetDocId() == pForViewShell->GetDocId() && (nCurrentTabIndex == -1 || pTabViewShell->getPart() == nCurrentTabIndex))
             {
                 pViewShell->libreOfficeKitViewCallback(LOK_CALLBACK_INVALIDATE_HEADER, aPayload.getStr());
             }
@@ -527,13 +527,7 @@ void ScTabViewShell::notifyAllViewsHeaderInvalidation(HeaderType eHeaderType, SC
     }
 }
 
-void ScTabViewShell::notifyAllViewsHeaderInvalidation(bool bColumns, SCTAB nCurrentTabIndex)
-{
-    HeaderType eHeaderType = bColumns ? COLUMN_HEADER : ROW_HEADER;
-    ScTabViewShell::notifyAllViewsHeaderInvalidation(eHeaderType, nCurrentTabIndex);
-}
-
-bool ScTabViewShell::isAnyEditViewInRange(bool bColumns, SCCOLROW nStart, SCCOLROW nEnd)
+bool ScTabViewShell::isAnyEditViewInRange(SfxViewShell* pForViewShell, bool bColumns, SCCOLROW nStart, SCCOLROW nEnd)
 {
     if (comphelper::LibreOfficeKit::isActive())
     {
@@ -541,7 +535,7 @@ bool ScTabViewShell::isAnyEditViewInRange(bool bColumns, SCCOLROW nStart, SCCOLR
         while (pViewShell)
         {
             ScTabViewShell* pTabViewShell = dynamic_cast<ScTabViewShell*>(pViewShell);
-            if (pTabViewShell)
+            if (pTabViewShell && pTabViewShell->GetDocId() == pForViewShell->GetDocId())
             {
                 ScInputHandler* pInputHandler = pTabViewShell->GetInputHandler();
                 if (pInputHandler && pInputHandler->GetActiveView())
diff --git a/sc/source/ui/view/viewfun2.cxx b/sc/source/ui/view/viewfun2.cxx
index 0ab2d088b0e7..d260cf519afb 100644
--- a/sc/source/ui/view/viewfun2.cxx
+++ b/sc/source/ui/view/viewfun2.cxx
@@ -175,7 +175,7 @@ bool ScViewFunc::AdjustBlockHeight( bool bPaint, ScMarkData* pMarkData )
         pDocSh->UpdateOle(&GetViewData());
 
     if (comphelper::LibreOfficeKit::isActive())
-        ScTabViewShell::notifyAllViewsHeaderInvalidation(ROW_HEADER, GetViewData().GetTabNo());
+        ScTabViewShell::notifyAllViewsHeaderInvalidation(GetViewData().GetViewShell(), ROW_HEADER, GetViewData().GetTabNo());
 
     return bAnyChanged;
 }
@@ -224,7 +224,7 @@ bool ScViewFunc::AdjustRowHeight( SCROW nStartRow, SCROW nEndRow )
                                             PaintPartFlags::Grid | PaintPartFlags::Left );
 
     if (comphelper::LibreOfficeKit::isActive())
-        ScTabViewShell::notifyAllViewsHeaderInvalidation(ROW_HEADER, GetViewData().GetTabNo());
+        ScTabViewShell::notifyAllViewsHeaderInvalidation(GetViewData().GetViewShell(), ROW_HEADER, GetViewData().GetTabNo());
 
     return bChanged;
 }
diff --git a/sc/source/ui/view/viewfunc.cxx b/sc/source/ui/view/viewfunc.cxx
index 21d10fcd1726..90a90e92f528 100644
--- a/sc/source/ui/view/viewfunc.cxx
+++ b/sc/source/ui/view/viewfunc.cxx
@@ -1472,11 +1472,12 @@ void ScViewFunc::OnLOKInsertDeleteColumn(SCCOL nStartCol, long nOffset)
         return;
 
     SCTAB nCurrentTabIndex = GetViewData().GetTabNo();
+    SfxViewShell* pCurrentViewShell = GetViewData().GetViewShell();
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
         ScTabViewShell* pTabViewShell = dynamic_cast<ScTabViewShell*>(pViewShell);
-        if (pTabViewShell)
+        if (pTabViewShell && pTabViewShell->GetDocId() == pCurrentViewShell->GetDocId())
         {
             pTabViewShell->GetViewData().GetLOKWidthHelper(nCurrentTabIndex)->invalidateByIndex(nStartCol);
 
@@ -1527,11 +1528,12 @@ void ScViewFunc::OnLOKInsertDeleteRow(SCROW nStartRow, long nOffset)
         return;
 
     SCTAB nCurrentTabIndex = GetViewData().GetTabNo();
+    SfxViewShell* pCurrentViewShell = GetViewData().GetViewShell();
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
         ScTabViewShell* pTabViewShell = dynamic_cast<ScTabViewShell*>(pViewShell);
-        if (pTabViewShell)
+        if (pTabViewShell && pTabViewShell->GetDocId() == pCurrentViewShell->GetDocId())
         {
             pTabViewShell->GetViewData().GetLOKHeightHelper(nCurrentTabIndex)->invalidateByIndex(nStartRow);
 
@@ -1582,11 +1584,12 @@ void ScViewFunc::OnLOKSetWidthOrHeight(SCCOLROW nStart, bool bWidth)
         return;
 
     SCTAB nCurTab = GetViewData().GetTabNo();
+    SfxViewShell* pCurrentViewShell = GetViewData().GetViewShell();
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
         ScTabViewShell* pTabViewShell = dynamic_cast<ScTabViewShell*>(pViewShell);
-        if (pTabViewShell)
+        if (pTabViewShell && pTabViewShell->GetDocId() == pCurrentViewShell->GetDocId())
         {
             if (bWidth)
                 pTabViewShell->GetViewData().GetLOKWidthHelper(nCurTab)->invalidateByIndex(nStart);
@@ -1627,10 +1630,10 @@ bool ScViewFunc::InsertCells( InsCellCmd eCmd, bool bRecord, bool bPartOfPaste )
             if (comphelper::LibreOfficeKit::isActive())
             {
                 if (bInsertCols)
-                    ScTabViewShell::notifyAllViewsHeaderInvalidation(COLUMN_HEADER, GetViewData().GetTabNo());
+                    ScTabViewShell::notifyAllViewsHeaderInvalidation(GetViewData().GetViewShell(), COLUMN_HEADER, GetViewData().GetTabNo());
 
                 if (bInsertRows)
-                    ScTabViewShell::notifyAllViewsHeaderInvalidation(ROW_HEADER, GetViewData().GetTabNo());
+                    ScTabViewShell::notifyAllViewsHeaderInvalidation(GetViewData().GetViewShell(), ROW_HEADER, GetViewData().GetTabNo());
             }
         }
         OUString aStartAddress =  aRange.aStart.GetColRowString();
@@ -1705,10 +1708,10 @@ void ScViewFunc::DeleteCells( DelCellCmd eCmd )
         if (comphelper::LibreOfficeKit::isActive())
         {
             if (eCmd == DelCellCmd::Cols)
-                ScTabViewShell::notifyAllViewsHeaderInvalidation(COLUMN_HEADER, GetViewData().GetTabNo());
+                ScTabViewShell::notifyAllViewsHeaderInvalidation(GetViewData().GetViewShell(), COLUMN_HEADER, GetViewData().GetTabNo());
 
             if (eCmd == DelCellCmd::Rows)
-                ScTabViewShell::notifyAllViewsHeaderInvalidation(ROW_HEADER, GetViewData().GetTabNo());
+                ScTabViewShell::notifyAllViewsHeaderInvalidation(GetViewData().GetViewShell(), ROW_HEADER, GetViewData().GetTabNo());
         }
     }
     else
diff --git a/sd/source/ui/sidebar/SlideBackground.cxx b/sd/source/ui/sidebar/SlideBackground.cxx
index 453421e3c45d..9f83f29e1a89 100644
--- a/sd/source/ui/sidebar/SlideBackground.cxx
+++ b/sd/source/ui/sidebar/SlideBackground.cxx
@@ -1062,10 +1062,14 @@ IMPL_LINK_NOARG(SlideBackground, PaperSizeModifyHdl, ListBox&, void)
     if (comphelper::LibreOfficeKit::isActive())
     {
         SfxViewShell* pViewShell = SfxViewShell::GetFirst();
-        if (pViewShell)
+        while (pViewShell)
         {
-            SdXImpressDocument* pDoc = comphelper::getUnoTunnelImplementation<SdXImpressDocument>(pViewShell->GetCurrentDocument());
-            SfxLokHelper::notifyDocumentSizeChangedAllViews(pDoc);
+            if (pViewShell->GetDocId() == mrBase.GetDocId())
+            {
+                SdXImpressDocument* pDoc = comphelper::getUnoTunnelImplementation<SdXImpressDocument>(pViewShell->GetCurrentDocument());
+                SfxLokHelper::notifyDocumentSizeChangedAllViews(pDoc);
+            }
+            pViewShell = SfxViewShell::GetNext(*pViewShell);
         }
     }
 }
diff --git a/sfx2/source/view/lokcharthelper.cxx b/sfx2/source/view/lokcharthelper.cxx
index add4ef80078a..bc955e22b602 100644
--- a/sfx2/source/view/lokcharthelper.cxx
+++ b/sfx2/source/view/lokcharthelper.cxx
@@ -181,7 +181,7 @@ bool LokChartHelper::HitAny(const Point& aPos)
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
-        if (pViewShell->getPart() == nPartForCurView)
+        if (pViewShell->GetDocId() == pCurView->GetDocId() && pViewShell->getPart() == nPartForCurView)
         {
             LokChartHelper aChartHelper(pViewShell);
             if (aChartHelper.Hit(aPos))
@@ -264,7 +264,7 @@ void LokChartHelper::PaintAllChartsOnTile(VirtualDevice& rDevice,
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
-        if (pViewShell->getPart() == nPartForCurView)
+        if (pCurView && pViewShell->GetDocId() == pCurView->GetDocId() && pViewShell->getPart() == nPartForCurView)
         {
             LokChartHelper aChartHelper(pViewShell);
             aChartHelper.PaintTile(rDevice, aTileRect);
diff --git a/sfx2/source/view/lokhelper.cxx b/sfx2/source/view/lokhelper.cxx
index 0f78af7ebb74..0226cb09060d 100644
--- a/sfx2/source/view/lokhelper.cxx
+++ b/sfx2/source/view/lokhelper.cxx
@@ -73,11 +73,17 @@ int SfxLokHelper::createView()
     SfxViewFrame* pViewFrame = SfxViewFrame::GetFirst();
     if (!pViewFrame)
         return -1;
+    SfxViewShell* pPrevViewShell = SfxViewShell::Current();
+    ViewShellDocId nId;
+    if (pPrevViewShell)
+        nId = pPrevViewShell->GetDocId();
     SfxRequest aRequest(pViewFrame, SID_NEWWINDOW);
     pViewFrame->ExecView_Impl(aRequest);
     SfxViewShell* pViewShell = SfxViewShell::Current();
     if (!pViewShell)
         return -1;
+    if (pPrevViewShell)
+        pViewShell->SetDocId(nId);
     return static_cast<sal_Int32>(pViewShell->GetViewShellId());
 }
 
@@ -151,7 +157,20 @@ int SfxLokHelper::getView(SfxViewShell* pViewShell)
 std::size_t SfxLokHelper::getViewsCount()
 {
     SfxApplication* pApp = SfxApplication::Get();
-    return !pApp ? 0 : pApp->GetViewShells_Impl().size();
+    if (!pApp)
+        return 0;
+
+    const SfxViewShell* const pCurrentViewShell = SfxViewShell::Current();
+    const ViewShellDocId nCurrentDocId = pCurrentViewShell ? pCurrentViewShell->GetDocId() : ViewShellDocId(-1);
+    std::size_t n = 0;
+    SfxViewShell* pViewShell = SfxViewShell::GetFirst();
+    while (pViewShell)
+    {
+        if (pViewShell->GetDocId() == nCurrentDocId)
+            n++;
+        pViewShell = SfxViewShell::GetNext(*pViewShell);
+    }
+    return n;
 }
 
 bool SfxLokHelper::getViewIds(int* pArray, size_t nSize)
@@ -160,18 +179,45 @@ bool SfxLokHelper::getViewIds(int* pArray, size_t nSize)
     if (!pApp)
         return false;
 
-    SfxViewShellArr_Impl& rViewArr = pApp->GetViewShells_Impl();
-    if (rViewArr.size() > nSize)
-        return false;
-
-    for (std::size_t i = 0; i < rViewArr.size(); ++i)
+    const SfxViewShell* const pCurrentViewShell = SfxViewShell::Current();
+    const ViewShellDocId nCurrentDocId = pCurrentViewShell ? pCurrentViewShell->GetDocId() : ViewShellDocId(-1);
+    std::size_t n = 0;
+    SfxViewShell* pViewShell = SfxViewShell::GetFirst();
+    while (pViewShell)
     {
-        SfxViewShell* pViewShell = rViewArr[i];
-        pArray[i] = static_cast<sal_Int32>(pViewShell->GetViewShellId());
+        if (n == nSize)
+            return false;
+        if (pViewShell->GetDocId() == nCurrentDocId)
+        {
+            pArray[n] = static_cast<sal_Int32>(pViewShell->GetViewShellId());
+            n++;
+        }
+        pViewShell = SfxViewShell::GetNext(*pViewShell);
     }
     return true;
 }
 
+void SfxLokHelper::setDocumentIdOfView(int nId)
+{
+    SfxViewShell* pViewShell = SfxViewShell::Current();
+    assert(pViewShell);
+    if (!pViewShell)
+        return;
+    pViewShell->SetDocId(ViewShellDocId(nId));
+}
+
+int SfxLokHelper::getDocumentIdOfView(int nViewId)
+{
+    SfxViewShell* pViewShell = SfxViewShell::GetFirst();
+    while (pViewShell)
+    {
+        if (pViewShell->GetViewShellId() == ViewShellId(nViewId))
+            return static_cast<int>(pViewShell->GetDocId());
+        pViewShell = SfxViewShell::GetNext(*pViewShell);
+    }
+    return -1;
+}
+
 LanguageTag SfxLokHelper::getDefaultLanguage()
 {
     return g_defaultLanguageTag;
@@ -256,13 +302,13 @@ void SfxLokHelper::notifyOtherView(SfxViewShell* pThisView, SfxViewShell const*
 
 void SfxLokHelper::notifyOtherViews(SfxViewShell* pThisView, int nType, const OString& rKey, const OString& rPayload)
 {
-    if (SfxLokHelper::getViewsCount() <= 1 || DisableCallbacks::disabled())
+    if (DisableCallbacks::disabled())
         return;
 
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
-        if (pViewShell != pThisView)
+        if (pViewShell != pThisView && pViewShell->GetDocId() == pThisView-> GetDocId())
             notifyOtherView(pThisView, pViewShell, nType, rKey, rPayload);
 
         pViewShell = SfxViewShell::GetNext(*pViewShell);
@@ -376,10 +422,13 @@ void SfxLokHelper::notifyDocumentSizeChangedAllViews(vcl::ITiledRenderable* pDoc
     if (!comphelper::LibreOfficeKit::isActive() || DisableCallbacks::disabled())
         return;
 
+    // FIXME: Do we know whether it is the views for the document that is in the "current" view that has changed?
+    const SfxViewShell* const pCurrentViewShell = SfxViewShell::Current();
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
-        SfxLokHelper::notifyDocumentSizeChanged(pViewShell, "", pDoc, bInvalidateAll);
+        if (pViewShell->GetDocId() == pCurrentViewShell-> GetDocId())
+            SfxLokHelper::notifyDocumentSizeChanged(pViewShell, "", pDoc, bInvalidateAll);
         pViewShell = SfxViewShell::GetNext(*pViewShell);
     }
 }
@@ -411,10 +460,12 @@ void SfxLokHelper::notifyAllViews(int nType, const OString& rPayload)
         return;
 
     const auto payload = rPayload.getStr();
+    const SfxViewShell* const pCurrentViewShell = SfxViewShell::Current();
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
-        pViewShell->libreOfficeKitViewCallback(nType, payload);
+        if (pViewShell->GetDocId() == pCurrentViewShell->GetDocId())
+            pViewShell->libreOfficeKitViewCallback(nType, payload);
         pViewShell = SfxViewShell::GetNext(*pViewShell);
     }
 }
diff --git a/sfx2/source/view/viewimp.hxx b/sfx2/source/view/viewimp.hxx
index 756b7bcb8da1..d89a49c79154 100644
--- a/sfx2/source/view/viewimp.hxx
+++ b/sfx2/source/view/viewimp.hxx
@@ -58,6 +58,7 @@ struct SfxViewShell_Impl
     bool m_bTiledSearching;
     static sal_uInt32 m_nLastViewShellId;
     const ViewShellId m_nViewShellId;
+    ViewShellDocId m_nDocId;
 
     explicit SfxViewShell_Impl(SfxViewShellFlags const nFlags);
     ~SfxViewShell_Impl();
diff --git a/sfx2/source/view/viewsh.cxx b/sfx2/source/view/viewsh.cxx
index 50549d2ddb3e..978c1cca5d20 100644
--- a/sfx2/source/view/viewsh.cxx
+++ b/sfx2/source/view/viewsh.cxx
@@ -239,7 +239,9 @@ SfxViewShell_Impl::SfxViewShell_Impl(SfxViewShellFlags const nFlags)
 ,   m_pLibreOfficeKitViewData(nullptr)
 ,   m_bTiledSearching(false)
 ,   m_nViewShellId(SfxViewShell_Impl::m_nLastViewShellId++)
-{}
+,   m_nDocId(-1)
+{
+}
 
 SfxViewShell_Impl::~SfxViewShell_Impl()
 {
@@ -1110,7 +1112,6 @@ SfxViewShell::SfxViewShell
 
 SfxViewShell::~SfxViewShell()
 {
-
     // Remove from list
     const SfxViewShell *pThis = this;
     SfxViewShellArr_Impl &rViewArr = SfxGetpApp()->GetViewShells_Impl();
@@ -1461,7 +1462,8 @@ void SfxViewShell::registerLibreOfficeKitViewCallback(LibreOfficeKitCallback pCa
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
-        pViewShell->NotifyCursor(this);
+        if (pViewShell->GetDocId() == GetDocId())
+            pViewShell->NotifyCursor(this);
         pViewShell = SfxViewShell::GetNext(*pViewShell);
     }
 }
@@ -1551,6 +1553,17 @@ ViewShellId SfxViewShell::GetViewShellId() const
     return pImpl->m_nViewShellId;
 }
 
+void SfxViewShell::SetDocId(ViewShellDocId nId)
+{
+    assert(static_cast<int>(pImpl->m_nDocId) == -1);
+    pImpl->m_nDocId = nId;
+}
+
+ViewShellDocId SfxViewShell::GetDocId() const
+{
+    return pImpl->m_nDocId;
+}
+
 void SfxViewShell::NotifyOtherViews(int nType, const OString& rKey, const OString& rPayload)
 {
     SfxLokHelper::notifyOtherViews(this, nType, rKey, rPayload);
diff --git a/starmath/source/smmod.cxx b/starmath/source/smmod.cxx
index 788f5f5e2c91..9404692c861d 100644
--- a/starmath/source/smmod.cxx
+++ b/starmath/source/smmod.cxx
@@ -150,6 +150,9 @@ void SmModule::ConfigurationChanged(utl::ConfigurationBroadcaster* pBrdCst, Conf
         SfxViewShell* pViewShell = SfxViewShell::GetFirst();
         while (pViewShell)
         {
+            // FIXME: What if pViewShell is for a different document,
+            // but OTOH Math is presumably never used through
+            // LibreOfficeKit, so maybe an irrelevant concern?
             if (dynamic_cast<const SmViewShell *>(pViewShell) != nullptr)
                 pViewShell->GetWindow()->Invalidate();
             pViewShell = SfxViewShell::GetNext(*pViewShell);
diff --git a/sw/source/core/doc/docredln.cxx b/sw/source/core/doc/docredln.cxx
index c5c2335b7dde..b3a1e6d6337b 100644
--- a/sw/source/core/doc/docredln.cxx
+++ b/sw/source/core/doc/docredln.cxx
@@ -410,7 +410,8 @@ void SwRedlineTable::LOKRedlineNotification(RedlineNotification nType, SwRangeRe
     SfxViewShell* pViewShell = SfxViewShell::GetFirst();
     while (pViewShell)
     {
-        pViewShell->libreOfficeKitViewCallback(nType == RedlineNotification::Modify ? LOK_CALLBACK_REDLINE_TABLE_ENTRY_MODIFIED : LOK_CALLBACK_REDLINE_TABLE_SIZE_CHANGED, aPayload.c_str());
+        if (pView && pView->GetDocId() == pViewShell->GetDocId())
+            pViewShell->libreOfficeKitViewCallback(nType == RedlineNotification::Modify ? LOK_CALLBACK_REDLINE_TABLE_ENTRY_MODIFIED : LOK_CALLBACK_REDLINE_TABLE_SIZE_CHANGED, aPayload.c_str());
         pViewShell = SfxViewShell::GetNext(*pViewShell);
     }
 }
diff --git a/sw/source/core/text/txtcache.cxx b/sw/source/core/text/txtcache.cxx
index 17eedcc17626..2c8866c7f09a 100644
--- a/sw/source/core/text/txtcache.cxx
+++ b/sw/source/core/text/txtcache.cxx
@@ -170,6 +170,8 @@ SwSaveSetLRUOfst::SwSaveSetLRUOfst()
          pView != nullptr;
          pView = SfxViewShell::GetNext(*pView, true, checkSfxViewShell<SwView>))
     {
+        // Apparently we are not interested here what document pView is for, but only in the
+        // total number of shells in the process?
         ++nVisibleShells;
     }
 


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