1 files changed, 103 insertions, 0 deletions
diff --git a/svx/source/dialog/relfld.cxx b/svx/source/dialog/relfld.cxx
new file mode 100644
index 0000000000..3929e4fcf7
--- /dev/null
+++ b/svx/source/dialog/relfld.cxx
@@ -0,0 +1,103 @@
+/* -*- 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 <svx/relfld.hxx>
+
+SvxRelativeField::SvxRelativeField(std::unique_ptr<weld::MetricSpinButton> pControl)
+    : m_xSpinButton(std::move(pControl))
+    , nRelMin(0)
+    , nRelMax(0)
+    , bRelativeMode(false)
+    , bRelative(false)
+    , bNegativeEnabled(false)
+
+{
+    weld::SpinButton& rSpinButton = m_xSpinButton->get_widget();
+    rSpinButton.connect_changed(LINK(this, SvxRelativeField, ModifyHdl));
+}
+
+IMPL_LINK_NOARG(SvxRelativeField, ModifyHdl, weld::Entry&, void)
+{
+    if (!bRelativeMode)
+        return;
+
+    OUString  aStr = m_xSpinButton->get_text();
+    bool      bNewMode = bRelative;
+
+    if ( bRelative )
+    {
+        const sal_Unicode* pStr = aStr.getStr();
+
+        while ( *pStr )
+        {
+            if( ( ( *pStr < '0' ) || ( *pStr > '9' ) ) &&
+                ( *pStr != '%' ) )
+            {
+                bNewMode = false;
+                break;
+            }
+            pStr++;
+        }
+    }
+    else
+    {
+        if ( aStr.indexOf( "%" ) != -1 )
+            bNewMode = true;
+    }
+
+    if ( bNewMode != bRelative )
+        SetRelative( bNewMode );
+}
+
+void SvxRelativeField::EnableRelativeMode(sal_uInt16 nMin, sal_uInt16 nMax)
+{
+    bRelativeMode = true;
+    nRelMin       = nMin;
+    nRelMax       = nMax;
+    m_xSpinButton->set_unit(FieldUnit::CM);
+}
+
+void SvxRelativeField::SetRelative( bool bNewRelative )
+{
+    weld::SpinButton& rSpinButton = m_xSpinButton->get_widget();
+
+    int nStartPos, nEndPos;
+    rSpinButton.get_selection_bounds(nStartPos, nEndPos);
+    OUString aStr = rSpinButton.get_text();
+
+    if ( bNewRelative )
+    {
+        bRelative = true;
+        m_xSpinButton->set_digits(0);
+        m_xSpinButton->set_range(nRelMin, nRelMax, FieldUnit::NONE);
+        m_xSpinButton->set_unit(FieldUnit::PERCENT);
+    }
+    else
+    {
+        bRelative = false;
+        m_xSpinButton->set_digits(2);
+        m_xSpinButton->set_range(bNegativeEnabled ? -9999 : 0, 9999, FieldUnit::NONE);
+        m_xSpinButton->set_unit(FieldUnit::CM);
+    }
+
+    rSpinButton.set_text(aStr);
+    rSpinButton.select_region(nStartPos, nEndPos);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */