32316af106
This function can now be implemented relatively straightforwardly (although it does require an extra check under Mac), so add it, as it can be generally useful and we're also going to need it for our own tests in the upcoming commit.
164 lines
4 KiB
C++
164 lines
4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: src/common/uilocale.cpp
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// Purpose: wxUILocale implementation
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// Author: Vadim Zeitlin
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// Created: 2021-07-31
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// Copyright: (c) 2021 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// for compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if wxUSE_INTL
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#include "wx/uilocale.h"
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#include "wx/private/uilocale.h"
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// ----------------------------------------------------------------------------
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// global variables
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// ----------------------------------------------------------------------------
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// This static global variable doesn't need to be protected from concurrent
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// access as it's only supposed to be used from the UI thread.
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/* static */
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wxUILocale wxUILocale::ms_current;
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// ============================================================================
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// implementation
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// ============================================================================
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#ifndef __WINDOWS__
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/* static */
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wxUILocaleImpl* wxUILocaleImpl::CreateForLanguage(const wxLanguageInfo& info)
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{
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wxLocaleIdent locId;
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// Strings in our language database are of the form "lang[_region[@mod]]".
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wxString rest;
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locId.Language(info.CanonicalName.BeforeFirst('_', &rest));
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if ( !rest.empty() )
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{
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wxString mod;
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locId.Region(rest.BeforeFirst('@', &mod));
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if ( !mod.empty() )
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locId.Modifier(mod);
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}
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return CreateForLocale(locId);
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}
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#endif // !__WINDOWS__
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/* static */
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bool wxUILocale::UseDefault()
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{
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// We don't attempt to optimize this function by checking whether
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// ms_current is already set to the user default locale, as we're
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// supposed to be called just once during the program lifetime anyhow.
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wxUILocaleImpl* const impl = wxUILocaleImpl::CreateUserDefault();
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if ( !impl )
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return false;
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impl->Use();
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ms_current.SetImpl(impl);
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return true;
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}
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/* static */
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bool wxUILocale::UseLanguage(const wxLanguageInfo& info)
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{
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wxUILocaleImpl* const impl = wxUILocaleImpl::CreateForLanguage(info);
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if ( !impl )
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return false;
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impl->Use();
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ms_current.SetImpl(impl);
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return true;
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}
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/* static */
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const wxUILocale& wxUILocale::GetCurrent()
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{
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// We initialize it on demand.
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if ( !ms_current.m_impl )
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{
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ms_current.SetImpl(wxUILocaleImpl::CreateStdC());
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}
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return ms_current;
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}
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wxUILocale::wxUILocale(const wxLocaleIdent& localeId)
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{
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m_impl = wxUILocaleImpl::CreateForLocale(localeId);
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}
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void wxUILocale::SetImpl(wxUILocaleImpl* impl)
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{
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delete m_impl;
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m_impl = impl;
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}
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bool wxUILocale::IsSupported() const
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{
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return m_impl != NULL;
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}
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wxString wxUILocale::GetName() const
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{
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if ( !m_impl )
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return wxString();
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return m_impl->GetName();
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}
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wxString wxUILocale::GetInfo(wxLocaleInfo index, wxLocaleCategory cat) const
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{
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if ( !m_impl )
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return wxGetStdCLocaleInfo(index, cat);
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return m_impl->GetInfo(index, cat);
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}
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int
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wxUILocale::CompareStrings(const wxString& lhs,
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const wxString& rhs,
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int flags) const
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{
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if ( !m_impl )
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{
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const int rc = flags & wxCompare_CaseInsensitive ? lhs.CmpNoCase(rhs)
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: lhs.Cmp(rhs);
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if ( rc < 0 )
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return -1;
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if ( rc > 0 )
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return 1;
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return 0;
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}
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return m_impl->CompareStrings(lhs, rhs, flags);
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}
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wxUILocale::~wxUILocale()
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{
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delete m_impl;
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}
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#endif // wxUSE_INTL
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