1 files changed, 158 insertions, 0 deletions
diff --git a/sw/source/uibase/frmdlg/colmgr.cxx b/sw/source/uibase/frmdlg/colmgr.cxx
new file mode 100644
index 000000000..692a8395d
--- /dev/null
+++ b/sw/source/uibase/frmdlg/colmgr.cxx
@@ -0,0 +1,158 @@
+/* -*- 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 <sal/config.h>
+
+#include <algorithm>
+
+#include <hintids.hxx>
+#include <editeng/lrspitem.hxx>
+#include <osl/diagnose.h>
+
+#include <colmgr.hxx>
+#include <fmtfsize.hxx>
+#include <swtypes.hxx>
+
+// private methods
+
+// set column width to current width
+void FitToActualSize(SwFormatCol& rCol, sal_uInt16 nWidth)
+{
+    const sal_uInt16 nCount = rCol.GetColumns().size();
+    for (sal_uInt16 i = 0; i < nCount; ++i)
+    {
+        const sal_uInt16 nTmp = rCol.CalcColWidth(i, nWidth);
+        auto& col = rCol.GetColumns()[i];
+        col.SetWishWidth(nTmp);
+        // If necessary, shrink borders (as equally as possible) to keep up the invariant that
+        // GetWishWidth() >= GetLeft() + GetRight():
+        sal_uInt32 const borders = col.GetLeft() + col.GetRight();
+        if (borders > nTmp)
+        {
+            auto const shrink = borders - nTmp;
+            auto const half = shrink / 2; // rounds down
+            if (col.GetLeft() < col.GetRight())
+            {
+                auto const shrinkLeft = std::min(sal_uInt32(col.GetLeft()), half);
+                col.SetLeft(col.GetLeft() - shrinkLeft);
+                col.SetRight(col.GetRight() - (shrink - shrinkLeft));
+            }
+            else
+            {
+                auto const shrinkRight = std::min(sal_uInt32(col.GetRight()), half);
+                col.SetLeft(col.GetLeft() - (shrink - shrinkRight));
+                col.SetRight(col.GetRight() - shrinkRight);
+            }
+        }
+    }
+    rCol.SetWishWidth(nWidth);
+}
+
+// public methods
+
+// set column quantity and Gutterwidth
+void SwColMgr::SetCount(sal_uInt16 nCount, sal_uInt16 nGutterWidth)
+{
+    m_aFormatCol.Init(nCount, nGutterWidth, m_nWidth);
+    m_aFormatCol.SetWishWidth(m_nWidth);
+    m_aFormatCol.SetGutterWidth(nGutterWidth, m_nWidth);
+}
+
+sal_uInt16 SwColMgr::GetGutterWidth(sal_uInt16 nPos) const
+{
+    sal_uInt16 nRet;
+    if (nPos == USHRT_MAX)
+        nRet = GetCount() > 1 ? m_aFormatCol.GetGutterWidth() : DEF_GUTTER_WIDTH;
+    else
+    {
+        OSL_ENSURE(nPos < GetCount() - 1, "column overindexed");
+        const SwColumns& rCols = m_aFormatCol.GetColumns();
+        nRet = rCols[nPos].GetRight() + rCols[nPos + 1].GetLeft();
+    }
+    return nRet;
+}
+
+void SwColMgr::SetGutterWidth(sal_uInt16 nGutterWidth, sal_uInt16 nPos)
+{
+    if (nPos == USHRT_MAX)
+        m_aFormatCol.SetGutterWidth(nGutterWidth, m_nWidth);
+    else
+    {
+        OSL_ENSURE(nPos < GetCount() - 1, "column overindexed");
+        SwColumns& rCols = m_aFormatCol.GetColumns();
+        sal_uInt16 nGutterWidth2 = nGutterWidth / 2;
+        rCols[nPos].SetRight(nGutterWidth2);
+        rCols[nPos + 1].SetLeft(nGutterWidth2);
+    }
+}
+
+// height separation line
+short SwColMgr::GetLineHeightPercent() const
+{
+    return static_cast<short>(m_aFormatCol.GetLineHeight());
+}
+void SwColMgr::SetLineHeightPercent(short nPercent)
+{
+    OSL_ENSURE(nPercent <= 100, "line height may be at most 100%");
+    m_aFormatCol.SetLineHeight(static_cast<sal_uInt8>(nPercent));
+}
+
+// column width
+sal_uInt16 SwColMgr::GetColWidth(sal_uInt16 nIdx) const
+{
+    OSL_ENSURE(nIdx < GetCount(), "Column array overindexed.");
+    return m_aFormatCol.CalcPrtColWidth(nIdx, m_nWidth);
+}
+
+void SwColMgr::SetColWidth(sal_uInt16 nIdx, sal_uInt16 nWd)
+{
+    OSL_ENSURE(nIdx < GetCount(), "Column array overindexed.");
+    m_aFormatCol.GetColumns()[nIdx].SetWishWidth(nWd);
+}
+
+// newly set size
+void SwColMgr::SetActualWidth(sal_uInt16 nW)
+{
+    m_nWidth = nW;
+    ::FitToActualSize(m_aFormatCol, nW);
+}
+
+// ctor
+SwColMgr::SwColMgr(const SfxItemSet& rSet)
+    : m_aFormatCol(rSet.Get(RES_COL))
+{
+    m_nWidth = o3tl::narrowing<sal_uInt16>(rSet.Get(RES_FRM_SIZE).GetWidth());
+    if (m_nWidth < MINLAY)
+        m_nWidth = USHRT_MAX;
+    const SvxLRSpaceItem& rLR = rSet.Get(RES_LR_SPACE);
+    m_nWidth = m_nWidth - o3tl::narrowing<sal_uInt16>(rLR.GetLeft());
+    m_nWidth = m_nWidth - o3tl::narrowing<sal_uInt16>(rLR.GetRight());
+    ::FitToActualSize(m_aFormatCol, m_nWidth);
+}
+
+SwColMgr::~SwColMgr() {}
+
+void SwColMgr::SetLineWidthAndColor(SvxBorderLineStyle eStyle, sal_uLong nLWidth, const Color& rCol)
+{
+    m_aFormatCol.SetLineStyle(eStyle);
+    m_aFormatCol.SetLineWidth(nLWidth);
+    m_aFormatCol.SetLineColor(rCol);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */