WindowUpdater.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#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;
}
 
/*static*/ void WindowUpdater::Update (OutputDevice* pDevice)
{
    if (pDevice != nullptr)
    {
        UpdateWindow (pDevice);
    }
}
 
/*static*/ void WindowUpdater::UpdateWindow (OutputDevice* pDevice)
{
    if (pDevice == nullptr)
        return;
 
    SvtCTLOptions::TextNumerals aNumeralMode (SvtCTLOptions::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
 
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