1 files changed, 131 insertions, 0 deletions
diff --git a/sd/source/ui/view/WindowUpdater.cxx b/sd/source/ui/view/WindowUpdater.cxx
new file mode 100644
index 000000000..c3f1bb53e
--- /dev/null
+++ b/sd/source/ui/view/WindowUpdater.cxx
@@ -0,0 +1,131 @@
+/* -*- 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 <WindowUpdater.hxx>
+#include <drawdoc.hxx>
+
+#include <vcl/outdev.hxx>
+#include <vcl/vclptr.hxx>
+#include <vcl/window.hxx>
+
+#include <algorithm>
+
+namespace sd {
+
+WindowUpdater::WindowUpdater()
+    : mpDocument (nullptr)
+{
+    maCTLOptions.AddListener(this);
+}
+
+WindowUpdater::~WindowUpdater() noexcept
+{
+    maCTLOptions.RemoveListener(this);
+}
+
+void WindowUpdater::RegisterWindow (vcl::Window* pWindow)
+{
+    if (pWindow != nullptr)
+    {
+        tWindowList::iterator aWindowIterator (
+            ::std::find (
+                maWindowList.begin(), maWindowList.end(), pWindow));
+        if (aWindowIterator == maWindowList.end())
+        {
+            // Update the device once right now and add it to the list.
+            Update (pWindow->GetOutDev());
+            maWindowList.emplace_back(pWindow);
+        }
+    }
+}
+
+void WindowUpdater::UnregisterWindow (vcl::Window* pWindow)
+{
+    tWindowList::iterator aWindowIterator (
+        ::std::find (
+            maWindowList.begin(), maWindowList.end(), pWindow));
+    if (aWindowIterator != maWindowList.end())
+    {
+        maWindowList.erase (aWindowIterator);
+    }
+}
+
+void WindowUpdater::SetDocument (SdDrawDocument* pDocument)
+{
+    mpDocument = pDocument;
+}
+
+void WindowUpdater::Update (
+    OutputDevice* pDevice) const
+{
+    if (pDevice != nullptr)
+    {
+        UpdateWindow (pDevice);
+    }
+}
+
+void WindowUpdater::UpdateWindow (OutputDevice* pDevice) const
+{
+    if (pDevice == nullptr)
+        return;
+
+    SvtCTLOptions::TextNumerals aNumeralMode (maCTLOptions.GetCTLTextNumerals());
+
+    LanguageType aLanguage;
+    // Now this is a bit confusing.  The numerals in arabic languages
+    // are Hindi numerals and what the western world generally uses are
+    // arabic numerals.  The digits used in the Hindi language are not
+    // used at all.
+    switch (aNumeralMode)
+    {
+        case SvtCTLOptions::NUMERALS_HINDI:
+            aLanguage = LANGUAGE_ARABIC_SAUDI_ARABIA;
+            break;
+
+        case SvtCTLOptions::NUMERALS_SYSTEM:
+            aLanguage = LANGUAGE_SYSTEM;
+            break;
+
+        case SvtCTLOptions::NUMERALS_ARABIC:
+        default:
+            aLanguage = LANGUAGE_ENGLISH;
+            break;
+    }
+
+    pDevice->SetDigitLanguage (aLanguage);
+}
+
+void WindowUpdater::ConfigurationChanged( utl::ConfigurationBroadcaster*, ConfigurationHints )
+{
+    // Set the current state at all registered output devices.
+    for (auto& rxWindow : maWindowList)
+        Update (rxWindow->GetOutDev());
+
+    // Reformat the document for the modified state to take effect.
+    if (mpDocument != nullptr)
+        mpDocument->ReformatAllTextObjects();
+
+    // Invalidate the windows to make the modified state visible.
+    for (auto& rxWindow : maWindowList)
+        rxWindow->Invalidate();
+}
+
+} // end of namespace sd
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */