c217eb6815
There doesn't seem to be any reason to disallow copying these objects and because they only have const methods, we can use reference counting for them without bothering with copy-on-write, so it's simple to implement.
83 lines
3.2 KiB
C++
83 lines
3.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/private/uilocale.h
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// Purpose: wxUILocaleImpl class declaration
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// Author: Vadim Zeitlin
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// Created: 2021-08-01
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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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#ifndef _WX_PRIVATE_UILOCALE_H_
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#define _WX_PRIVATE_UILOCALE_H_
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#include "wx/localedefs.h"
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#include "wx/object.h"
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#include "wx/string.h"
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#include "wx/vector.h"
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typedef wxVector<wxLanguageInfo> wxLanguageInfos;
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// Return the vector of all languages known to wx.
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const wxLanguageInfos& wxGetLanguageInfos();
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// Function returning hard-coded values for the "C" locale.
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wxString wxGetStdCLocaleInfo(wxLocaleInfo index, wxLocaleCategory cat);
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// ----------------------------------------------------------------------------
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// wxUILocaleImpl provides the implementation of public wxUILocale functions
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// ----------------------------------------------------------------------------
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class wxUILocaleImpl : public wxRefCounter
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{
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public:
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// This function is implemented in platform-specific code and returns the
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// object used by default, i.e. if wxUILocale::UseDefault() is not called.
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// This object corresponds to the traditional "C" locale.
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//
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// It should never return NULL.
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static wxUILocaleImpl* CreateStdC();
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// Similarly, this one returns the object corresponding to the default user
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// locale settings which is used if wxUILocale::UseDefault() was called.
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//
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// It may return NULL in case of failure.
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static wxUILocaleImpl* CreateUserDefault();
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// Create locale object for the given locale.
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//
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// It may return NULL in case of failure.
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static wxUILocaleImpl* CreateForLocale(const wxLocaleIdent& locId);
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// This function exists only for wxLocale compatibility and creates the
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// locale corresponding to the given language. It shouldn't be used
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// anywhere else.
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//
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// It is implemented in terms of CreateForLocale() for non-MSW platforms,
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// but under MSW it is different for compatibility reasons.
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//
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// The language passed to this function is a valid language, i.e. neither
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// wxLANGUAGE_UNKNOWN nor wxLANGUAGE_DEFAULT.
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//
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// It may return NULL in case of failure, but never does so for English
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// languages because wxLocale(wxLANGUAGE_ENGLISH) is always supposed to
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// work, so it just falls back on CreateStdC() if it fails to create it.
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static wxUILocaleImpl* CreateForLanguage(const wxLanguageInfo& info);
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// Use this locale in the UI.
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//
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// This is not implemented for all platforms, notably not for Mac where the
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// UI locale is determined at application startup, but we can't do anything
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// about it anyhow, so we don't even bother returning an error code from it.
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virtual void Use() = 0;
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// Functions corresponding to wxUILocale ones.
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virtual wxString GetName() const = 0;
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virtual wxString GetInfo(wxLocaleInfo index, wxLocaleCategory cat) const = 0;
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virtual int CompareStrings(const wxString& lhs, const wxString& rhs,
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int flags) const = 0;
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virtual ~wxUILocaleImpl() { }
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};
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#endif // _WX_PRIVATE_UILOCALE_H_
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