sd/source/ui/view/WindowUpdater.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <WindowUpdater.hxx>
  21 #include <drawdoc.hxx>
  22
  23 #include <vcl/outdev.hxx>
  24 #include <vcl/vclptr.hxx>
  25 #include <vcl/window.hxx>
  26
  27 #include <algorithm>
  28
  29 namespace sd {
  30
  31 WindowUpdater::WindowUpdater()
  32     : mpDocument (nullptr)
  33 {
  34     maCTLOptions.AddListener(this);
  35 }
  36
  37 WindowUpdater::~WindowUpdater() noexcept
  38 {
  39     maCTLOptions.RemoveListener(this);
  40 }
  41
  42 void WindowUpdater::RegisterWindow (vcl::Window* pWindow)
  43 {
  44     if (pWindow != nullptr)
  45     {
  46         tWindowList::iterator aWindowIterator (
  47             ::std::find (
  48                 maWindowList.begin(), maWindowList.end(), pWindow));
  49         if (aWindowIterator == maWindowList.end())
  50         {
  51             // Update the device once right now and add it to the list.
  52             Update (pWindow->GetOutDev());
  53             maWindowList.emplace_back(pWindow);
  54         }
  55     }
  56 }
  57
  58 void WindowUpdater::UnregisterWindow (vcl::Window* pWindow)
  59 {
  60     tWindowList::iterator aWindowIterator (
  61         ::std::find (
  62             maWindowList.begin(), maWindowList.end(), pWindow));
  63     if (aWindowIterator != maWindowList.end())
  64     {
  65         maWindowList.erase (aWindowIterator);
  66     }
  67 }
  68
  69 void WindowUpdater::SetDocument (SdDrawDocument* pDocument)
  70 {
  71     mpDocument = pDocument;
  72 }
  73
  74 /*static*/ void WindowUpdater::Update (OutputDevice* pDevice)
  75 {
  76     if (pDevice != nullptr)
  77     {
  78         UpdateWindow (pDevice);
  79     }
  80 }
  81
  82 /*static*/ void WindowUpdater::UpdateWindow (OutputDevice* pDevice)
  83 {
  84     if (pDevice == nullptr)
  85         return;
  86
  87     SvtCTLOptions::TextNumerals aNumeralMode (SvtCTLOptions::GetCTLTextNumerals());
  88
  89     LanguageType aLanguage;
  90     // Now this is a bit confusing.  The numerals in arabic languages
  91     // are Hindi numerals and what the western world generally uses are
  92     // arabic numerals.  The digits used in the Hindi language are not
  93     // used at all.
  94     switch (aNumeralMode)
  95     {
  96         case SvtCTLOptions::NUMERALS_HINDI:
  97             aLanguage = LANGUAGE_ARABIC_SAUDI_ARABIA;
  98             break;
  99
 100         case SvtCTLOptions::NUMERALS_SYSTEM:
 101             aLanguage = LANGUAGE_SYSTEM;
 102             break;
 103
 104         case SvtCTLOptions::NUMERALS_ARABIC:
 105         default:
 106             aLanguage = LANGUAGE_ENGLISH;
 107             break;
 108     }
 109
 110     pDevice->SetDigitLanguage (aLanguage);
 111 }
 112
 113 void WindowUpdater::ConfigurationChanged( utl::ConfigurationBroadcaster*, ConfigurationHints )
 114 {
 115     // Set the current state at all registered output devices.
 116     for (auto& rxWindow : maWindowList)
 117         Update (rxWindow->GetOutDev());
 118
 119     // Reformat the document for the modified state to take effect.
 120     if (mpDocument != nullptr)
 121         mpDocument->ReformatAllTextObjects();
 122
 123     // Invalidate the windows to make the modified state visible.
 124     for (auto& rxWindow : maWindowList)
 125         rxWindow->Invalidate();
 126 }
 127
 128 } // end of namespace sd
 129
 130 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */