Aegisub/aegisub/src/aegisublocale.cpp

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// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
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//
// $Id$
/// @file aegisublocale.cpp
/// @brief Enumerate available locales for picking translation on Windows
/// @ingroup utility
///
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#include "config.h"
#ifndef AGI_PRE
#include <algorithm>
#include <functional>
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#include <locale.h>
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#include <wx/dir.h>
#include <wx/filename.h>
#include <wx/intl.h>
#include <wx/stdpaths.h>
#include <wx/choicdlg.h> // Keep this last so wxUSE_CHOICEDLG is set.
#endif
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#include "aegisublocale.h"
#include "standard_paths.h"
AegisubLocale::~AegisubLocale() {
}
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int AegisubLocale::EnglishId() const {
static const int english_ids[] = {
wxLANGUAGE_ENGLISH,
wxLANGUAGE_ENGLISH_US,
wxLANGUAGE_ENGLISH_UK,
wxLANGUAGE_ENGLISH_AUSTRALIA,
wxLANGUAGE_ENGLISH_BELIZE,
wxLANGUAGE_ENGLISH_BOTSWANA,
wxLANGUAGE_ENGLISH_CANADA,
wxLANGUAGE_ENGLISH_CARIBBEAN,
wxLANGUAGE_ENGLISH_DENMARK,
wxLANGUAGE_ENGLISH_EIRE,
wxLANGUAGE_ENGLISH_JAMAICA,
wxLANGUAGE_ENGLISH_NEW_ZEALAND,
wxLANGUAGE_ENGLISH_PHILIPPINES,
wxLANGUAGE_ENGLISH_SOUTH_AFRICA,
wxLANGUAGE_ENGLISH_TRINIDAD,
wxLANGUAGE_ENGLISH_ZIMBABWE,
0
};
for (const int *id = english_ids; *id; ++id) {
if (wxLocale::IsAvailable(*id)) {
return *id;
}
}
return -1;
}
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void AegisubLocale::Init(int language) {
if (language == -1)
language = EnglishId();
if (!wxLocale::IsAvailable(language))
language = wxLANGUAGE_UNKNOWN;
locale.reset(new wxLocale(language));
#ifdef __WINDOWS__
locale->AddCatalogLookupPathPrefix(StandardPaths::DecodePath("?data/locale/"));
locale->AddCatalog("aegisub");
#else
locale->AddCatalog(AEGISUB_COMMAND);
#endif
locale->AddCatalog("wxstd");
setlocale(LC_NUMERIC, "C");
setlocale(LC_CTYPE, "C");
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}
int AegisubLocale::PickLanguage() {
wxArrayInt langs = GetAvailableLanguages();
// Check if english is in it, else add it
if (langs.Index(wxLANGUAGE_ENGLISH) == wxNOT_FOUND) {
int id = EnglishId();
if (id)
langs.Insert(id, 0);
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}
// Check if user local language is available, if so, make it first
int user = wxLocale::GetSystemLanguage();
if (langs.Index(user) != wxNOT_FOUND) {
langs.Remove(user);
langs.Insert(user, 0);
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}
// Remove languages which won't work due to the locale not being installed
langs.erase(remove_if(langs.begin(), langs.end(), not1(std::ptr_fun(&wxLocale::IsAvailable))), langs.end());
// Nothing to pick
if (langs.empty()) return -1;
// Only one language, so don't bother asking the user
if (langs.size() == 1 && !locale)
return langs[0];
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// Generate names
wxArrayString langNames;
for (size_t i = 0; i < langs.size(); ++i)
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langNames.Add(wxLocale::GetLanguageName(langs[i]));
long style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER | wxOK | wxCENTRE;
if (locale)
style |= wxCANCEL;
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wxSingleChoiceDialog dialog(NULL, "Please choose a language:", "Language", langNames,
#if wxCHECK_VERSION(2, 9, 4)
(void **)0,
#else
0,
#endif
style);
if (dialog.ShowModal() == wxID_OK) {
int picked = dialog.GetSelection();
if (locale && langs[picked] == locale->GetLanguage())
return -1;
return langs[picked];
}
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return -1;
}
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wxArrayInt AegisubLocale::GetAvailableLanguages() {
wxArrayInt final;
#ifdef __WINDOWS__
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// Open directory
wxString folder = StandardPaths::DecodePath("?data/locale/");
wxDir dir;
if (!dir.Exists(folder)) return final;
if (!dir.Open(folder)) return final;
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// Enumerate folders
wxString temp1;
for (bool cont = dir.GetFirst(&temp1, "", wxDIR_DIRS); cont; cont = dir.GetNext(&temp1)) {
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// Check if .so exists inside folder
if (wxFileName::FileExists(folder + temp1 + "/aegisub.mo")) {
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const wxLanguageInfo *lang = wxLocale::FindLanguageInfo(temp1);
if (lang) {
final.Add(lang->Language);
}
}
}
#else
const char* langs[] = {
"ca",
"cs",
"da",
"de",
"el",
"es",
"eu",
"fa",
"fi",
"fr_FR",
"hu",
"id",
"it",
"ja",
"ko",
"pl",
"pt_BR",
"pt_PT",
"ru",
"sr_RS",
"sr_RS@latin",
"vi",
"zh_CN",
"zh_TW"
};
size_t len = sizeof(langs)/sizeof(char*);
for (size_t i=0; i<len; i++) {
const wxLanguageInfo *lang = wxLocale::FindLanguageInfo(langs[i]);
// If the locale file doesn't exist then don't list it as an option.
wxString locDir = wxStandardPaths::Get().GetLocalizedResourcesDir(langs[i], wxStandardPathsBase::ResourceCat_Messages);
wxFileName file(wxString::Format("%s/%s.mo", locDir, AEGISUB_COMMAND));
if (lang && file.FileExists()) final.Add(lang->Language);
}
#endif
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return final;
}