Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 231 insertions, 0 deletions

diff --git a/sw/source/uibase/utlui/prcntfld.cxx b/sw/source/uibase/utlui/prcntfld.cxx
new file mode 100644
index 000000000..4c8eede66
--- /dev/null
+++ b/sw/source/uibase/utlui/prcntfld.cxx
@@ -0,0 +1,231 @@
+/* -*- 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 <prcntfld.hxx>
+#include <vcl/fieldvalues.hxx>
+
+SwPercentField::SwPercentField(std::unique_ptr<weld::MetricSpinButton> pControl)
+    : m_pField(std::move(pControl))
+    , m_nOldMax(0)
+    , m_nOldMin(0)
+    , m_nLastPercent(-1)
+    , m_nLastValue(-1)
+    , m_nOldDigits(m_pField->get_digits())
+    , m_eOldUnit(FieldUnit::NONE)
+    , m_bLockAutoCalculation(false)
+{
+    sal_Int64 nMin, nMax;
+    m_pField->get_range(nMin, nMax, FieldUnit::TWIP);
+    m_nRefValue = DenormalizePercent(nMax);
+    m_pField->get_increments(m_nOldSpinSize, m_nOldPageSize, FieldUnit::NONE);
+}
+
+void SwPercentField::SetRefValue(sal_Int64 nValue)
+{
+    sal_Int64 nRealValue = GetRealValue(m_eOldUnit);
+
+    m_nRefValue = nValue;
+
+    if (!m_bLockAutoCalculation && (m_pField->get_unit() == FieldUnit::PERCENT))
+        set_value(nRealValue, m_eOldUnit);
+}
+
+void SwPercentField::ShowPercent(bool bPercent)
+{
+    if ((bPercent && m_pField->get_unit() == FieldUnit::PERCENT)
+        || (!bPercent && m_pField->get_unit() != FieldUnit::PERCENT))
+        return;
+
+    sal_Int64 nOldValue;
+
+    if (bPercent)
+    {
+        nOldValue = get_value();
+
+        m_eOldUnit = m_pField->get_unit();
+        m_nOldDigits = m_pField->get_digits();
+        m_pField->get_range(m_nOldMin, m_nOldMax, FieldUnit::NONE);
+        m_pField->get_increments(m_nOldSpinSize, m_nOldPageSize, FieldUnit::NONE);
+        m_pField->set_unit(FieldUnit::PERCENT);
+        m_pField->set_digits(0);
+
+        sal_Int64 nCurrentWidth
+            = vcl::ConvertValue(m_nOldMin, 0, m_nOldDigits, m_eOldUnit, FieldUnit::TWIP);
+        // round to 0.5 percent
+        int nPercent = m_nRefValue ? (((nCurrentWidth * 10) / m_nRefValue + 5) / 10) : 0;
+
+        m_pField->set_range(std::max(1, nPercent), 100, FieldUnit::NONE);
+        m_pField->set_increments(5, 10, FieldUnit::NONE);
+        if (nOldValue != m_nLastValue)
+        {
+            nCurrentWidth
+                = vcl::ConvertValue(nOldValue, 0, m_nOldDigits, m_eOldUnit, FieldUnit::TWIP);
+            nPercent = m_nRefValue ? (((nCurrentWidth * 10) / m_nRefValue + 5) / 10) : 0;
+            m_pField->set_value(nPercent, FieldUnit::NONE);
+            m_nLastPercent = nPercent;
+            m_nLastValue = nOldValue;
+        }
+        else
+            m_pField->set_value(m_nLastPercent, FieldUnit::NONE);
+    }
+    else
+    {
+        sal_Int64 nOldPercent = get_value(FieldUnit::PERCENT);
+
+        nOldValue = Convert(get_value(), m_pField->get_unit(), m_eOldUnit);
+
+        m_pField->set_unit(m_eOldUnit);
+        m_pField->set_digits(m_nOldDigits);
+        m_pField->set_range(m_nOldMin, m_nOldMax, FieldUnit::NONE);
+        m_pField->set_increments(m_nOldSpinSize, m_nOldPageSize, FieldUnit::NONE);
+
+        if (nOldPercent != m_nLastPercent)
+        {
+            set_value(nOldValue, m_eOldUnit);
+            m_nLastPercent = nOldPercent;
+            m_nLastValue = nOldValue;
+        }
+        else
+            set_value(m_nLastValue, m_eOldUnit);
+    }
+}
+
+void SwPercentField::set_value(sal_Int64 nNewValue, FieldUnit eInUnit)
+{
+    if (m_pField->get_unit() != FieldUnit::PERCENT || eInUnit == FieldUnit::PERCENT)
+        m_pField->set_value(Convert(nNewValue, eInUnit, m_pField->get_unit()), FieldUnit::NONE);
+    else
+    {
+        // Overwrite output value, do not restore later
+        sal_Int64 nPercent, nCurrentWidth;
+        if (eInUnit == FieldUnit::TWIP)
+        {
+            nCurrentWidth
+                = vcl::ConvertValue(nNewValue, 0, m_nOldDigits, FieldUnit::TWIP, FieldUnit::TWIP);
+        }
+        else
+        {
+            sal_Int64 nValue = Convert(nNewValue, eInUnit, m_eOldUnit);
+            nCurrentWidth = vcl::ConvertValue(nValue, 0, m_nOldDigits, m_eOldUnit, FieldUnit::TWIP);
+        }
+        nPercent = m_nRefValue ? (((nCurrentWidth * 10) / m_nRefValue + 5) / 10) : 0;
+        m_pField->set_value(nPercent, FieldUnit::NONE);
+    }
+}
+
+sal_Int64 SwPercentField::get_value(FieldUnit eOutUnit)
+{
+    return Convert(m_pField->get_value(FieldUnit::NONE), m_pField->get_unit(), eOutUnit);
+}
+
+void SwPercentField::set_min(sal_Int64 nNewMin, FieldUnit eInUnit)
+{
+    if (m_pField->get_unit() != FieldUnit::PERCENT)
+        m_pField->set_min(nNewMin, eInUnit);
+    else
+    {
+        if (eInUnit == FieldUnit::NONE)
+            eInUnit = m_eOldUnit;
+        m_nOldMin = Convert(nNewMin, eInUnit, m_eOldUnit);
+
+        int nPercent = Convert(nNewMin, eInUnit, FieldUnit::PERCENT);
+        m_pField->set_min(std::max(1, nPercent), FieldUnit::NONE);
+    }
+}
+
+void SwPercentField::set_max(sal_Int64 nNewMax, FieldUnit eInUnit)
+{
+    if (m_pField->get_unit() != FieldUnit::PERCENT)
+        m_pField->set_max(nNewMax, eInUnit);
+}
+
+sal_Int64 SwPercentField::NormalizePercent(sal_Int64 nValue)
+{
+    if (m_pField->get_unit() != FieldUnit::PERCENT)
+        nValue = m_pField->normalize(nValue);
+    else
+        nValue = nValue * ImpPower10(m_nOldDigits);
+    return nValue;
+}
+
+sal_Int64 SwPercentField::DenormalizePercent(sal_Int64 nValue)
+{
+    if (m_pField->get_unit() != FieldUnit::PERCENT)
+        nValue = m_pField->denormalize(nValue);
+    else
+    {
+        int nFactor = ImpPower10(m_nOldDigits);
+        nValue = ((nValue + (nFactor / 2)) / nFactor);
+    }
+    return nValue;
+}
+
+int SwPercentField::ImpPower10(sal_uInt16 n)
+{
+    int nValue = 1;
+
+    for (sal_uInt16 i = 0; i < n; ++i)
+        nValue *= 10;
+
+    return nValue;
+}
+
+sal_Int64 SwPercentField::GetRealValue(FieldUnit eOutUnit)
+{
+    if (m_pField->get_unit() != FieldUnit::PERCENT)
+        return get_value(eOutUnit);
+    else
+        return Convert(get_value(), m_pField->get_unit(), eOutUnit);
+}
+
+sal_Int64 SwPercentField::Convert(sal_Int64 nValue, FieldUnit eInUnit, FieldUnit eOutUnit)
+{
+    if (eInUnit == eOutUnit || (eInUnit == FieldUnit::NONE && eOutUnit == m_pField->get_unit())
+        || (eOutUnit == FieldUnit::NONE && eInUnit == m_pField->get_unit()))
+        return nValue;
+
+    if (eInUnit == FieldUnit::PERCENT)
+    {
+        // Convert to metric
+        sal_Int64 nTwipValue = (m_nRefValue * nValue + 50) / 100;
+
+        if (eOutUnit == FieldUnit::TWIP) // Only convert if necessary
+            return NormalizePercent(nTwipValue);
+        else
+            return vcl::ConvertValue(NormalizePercent(nTwipValue), 0, m_nOldDigits, FieldUnit::TWIP,
+                                     eOutUnit);
+    }
+
+    if (eOutUnit == FieldUnit::PERCENT)
+    {
+        // Convert to percent
+        sal_Int64 nCurrentWidth;
+        nValue = DenormalizePercent(nValue);
+
+        if (eInUnit == FieldUnit::TWIP) // Only convert if necessary
+            nCurrentWidth = nValue;
+        else
+            nCurrentWidth = vcl::ConvertValue(nValue, 0, m_nOldDigits, eInUnit, FieldUnit::TWIP);
+        // Round to 0.5 percent
+        return m_nRefValue ? (((nCurrentWidth * 1000) / m_nRefValue + 5) / 10) : 0;
+    }
+
+    return vcl::ConvertValue(nValue, 0, m_nOldDigits, eInUnit, eOutUnit);
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */