Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 154 insertions, 0 deletions

diff --git a/sw/source/core/layout/softpagebreak.cxx b/sw/source/core/layout/softpagebreak.cxx
new file mode 100644
index 000000000..87ba7c24e
--- /dev/null
+++ b/sw/source/core/layout/softpagebreak.cxx
@@ -0,0 +1,154 @@
+/* -*- 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 .
+ */
+
+#include <txtfrm.hxx>
+#include <pagefrm.hxx>
+#include <swtable.hxx>
+#include <frmfmt.hxx>
+#include <rowfrm.hxx>
+#include <tabfrm.hxx>
+#include <calbck.hxx>
+#include <ndtxt.hxx>
+
+void SwTextNode::fillSoftPageBreakList( SwSoftPageBreakList& rBreak ) const
+{
+    SwIterator<SwTextFrame, SwTextNode, sw::IteratorMode::UnwrapMulti> aIter(*this);
+    for( const SwTextFrame *pFrame = aIter.First(); pFrame; pFrame = aIter.Next() )
+    {
+        // No soft page break in header or footer
+        if( pFrame->FindFooterOrHeader() || pFrame->IsInFly() )
+            return;
+        // No soft page break if I'm not the first frame in my layout frame
+        if( pFrame->GetIndPrev() )
+            continue;
+        const SwPageFrame* pPage = pFrame->FindPageFrame();
+        // No soft page break at the first page
+        if( pPage && pPage->GetPrev() )
+        {
+            const SwContentFrame* pFirst2 = pPage->FindFirstBodyContent();
+            // Special handling for content frame in table frames
+            if( pFrame->IsInTab() )
+            {
+                // No soft page break if I'm in a table but the first content frame
+                // at my page is not in a table
+                if( !pFirst2 || !pFirst2->IsInTab() )
+                    continue;
+                const SwLayoutFrame *pRow = pFrame->GetUpper();
+                // Looking for the "most upper" row frame,
+                // skipping sub tables and/or table in table
+                while( !pRow->IsRowFrame() || !pRow->GetUpper()->IsTabFrame() ||
+                    pRow->GetUpper()->GetUpper()->IsInTab() )
+                    pRow = pRow->GetUpper();
+                const SwTabFrame *pTab = pRow->FindTabFrame();
+                // For master tables the soft page break will exported at the table row,
+                // not at the content frame.
+                // If the first content is outside my table frame, no soft page break.
+                if( !pTab->IsFollow() || !pTab->IsAnLower( pFirst2 ) )
+                    continue;
+                // Only content of non-heading-rows can get a soft page break
+                const SwFrame* pFirstRow = pTab->GetFirstNonHeadlineRow();
+                // If there's no follow flow line, the soft page break will be
+                // exported at the row, not at the content.
+                if( pRow == pFirstRow &&
+                    pTab->FindMaster()->HasFollowFlowLine() )
+                {
+                    // Now we have the row which causes a new page,
+                    // this row is a follow flow line and therefore cannot get
+                    // the soft page break itself.
+                    // Every first content frame of every cell frame in this row
+                    // will get the soft page break
+                    const SwFrame* pCell = pRow->Lower();
+                    while( pCell )
+                    {
+                        pFirst2 = static_cast<const SwLayoutFrame*>(pCell)->ContainsContent();
+                        if( pFirst2 == pFrame )
+                        {   // Here we are: a first content inside a cell
+                            // inside the split row => soft page break
+                            auto const pos(pFrame->MapViewToModel(pFrame->GetOffset()));
+                            if (pos.first == this)
+                            {
+                                rBreak.insert(pos.second);
+                            }
+                            break;
+                        }
+                        pCell = pCell->GetNext();
+                    }
+                }
+            }
+            else // No soft page break if there's a "hard" page break attribute
+            if( pFirst2 == pFrame && !pFrame->IsPageBreak( true ) )
+            {
+                auto const pos(pFrame->MapViewToModel(pFrame->GetOffset()));
+                if (pos.first == this)
+                {   // in the !Show case, we have to iterate over the merged
+                    // SwTextFrame for every node
+                    rBreak.insert(pos.second);
+                }
+            }
+        }
+    }
+}
+
+bool SwTableLine::hasSoftPageBreak() const
+{
+    // No soft page break for sub tables
+    if( GetUpper() || !GetFrameFormat() )
+        return false;
+    SwIterator<SwRowFrame,SwFormat> aIter( *GetFrameFormat() );
+    for( SwRowFrame* pLast = aIter.First(); pLast; pLast = aIter.Next() )
+    {
+        if( pLast->GetTabLine() == this )
+        {
+            const SwTabFrame* pTab = pLast->FindTabFrame();
+            // No soft page break for
+            //   tables with prevs, i.e. if the frame is not the first in its layout frame
+            //   tables in footer or header
+            //   tables in flies
+            //   inner tables of nested tables
+            //   master table frames with "hard" page break attribute
+            if( pTab->GetIndPrev() || pTab->FindFooterOrHeader()
+                || pTab->IsInFly() || pTab->GetUpper()->IsInTab() ||
+                ( !pTab->IsFollow() && pTab->IsPageBreak( true ) ) )
+                return false;
+            const SwPageFrame* pPage = pTab->FindPageFrame();
+            // No soft page break at the first page of the document
+            if( pPage && !pPage->GetPrev() )
+                return false;
+            const SwContentFrame* pFirst = pPage ? pPage->FindFirstBodyContent() : nullptr;
+            // No soft page break for
+            //   tables which does not contain the first body content of the page
+            if( !pFirst || !pTab->IsAnLower( pFirst->FindTabFrame() ) )
+                return false;
+            // The row which could get a soft page break must be either the first
+            // row of a master table frame or the first "non-headline-row" of a
+            // follow table frame...
+            const SwFrame* pRow = pTab->IsFollow() ?
+                pTab->GetFirstNonHeadlineRow() : pTab->Lower();
+            if( pRow == pLast )
+            {
+                // The last check: no soft page break for "follow" table lines
+                return !pTab->IsFollow() || !pTab->FindMaster()->HasFollowFlowLine();
+            }
+            return false;
+        }
+    }
+    return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */