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localeselector.cpp Example File
widgets/validators/localeselector.cpp

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 #include "localeselector.h"
 #include <QLocale>

 struct SupportedLocale
 {
     int lang, country;
 };

 const SupportedLocale SUPPORTED_LOCALES[] = {
     {      1,     0 }, // C/AnyCountry
     {      3,    69 }, // Afan/Ethiopia
     {      3,   111 }, // Afan/Kenya
     {      4,    59 }, // Afar/Djibouti
     {      4,    67 }, // Afar/Eritrea
     {      4,    69 }, // Afar/Ethiopia
     {      5,   195 }, // Afrikaans/SouthAfrica
     {      5,   148 }, // Afrikaans/Namibia
     {      6,     2 }, // Albanian/Albania
     {      7,    69 }, // Amharic/Ethiopia
     {      8,   186 }, // Arabic/SaudiArabia
     {      8,     3 }, // Arabic/Algeria
     {      8,    17 }, // Arabic/Bahrain
     {      8,    64 }, // Arabic/Egypt
     {      8,   103 }, // Arabic/Iraq
     {      8,   109 }, // Arabic/Jordan
     {      8,   115 }, // Arabic/Kuwait
     {      8,   119 }, // Arabic/Lebanon
     {      8,   122 }, // Arabic/LibyanArabJamahiriya
     {      8,   145 }, // Arabic/Morocco
     {      8,   162 }, // Arabic/Oman
     {      8,   175 }, // Arabic/Qatar
     {      8,   201 }, // Arabic/Sudan
     {      8,   207 }, // Arabic/SyrianArabRepublic
     {      8,   216 }, // Arabic/Tunisia
     {      8,   223 }, // Arabic/UnitedArabEmirates
     {      8,   237 }, // Arabic/Yemen
     {      9,    11 }, // Armenian/Armenia
     {     10,   100 }, // Assamese/India
     {     12,    15 }, // Azerbaijani/Azerbaijan
     {     14,   197 }, // Basque/Spain
     {     15,    18 }, // Bengali/Bangladesh
     {     15,   100 }, // Bengali/India
     {     16,    25 }, // Bhutani/Bhutan
     {     20,    33 }, // Bulgarian/Bulgaria
     {     22,    20 }, // Byelorussian/Belarus
     {     23,    36 }, // Cambodian/Cambodia
     {     24,   197 }, // Catalan/Spain
     {     25,    44 }, // Chinese/China
     {     25,    97 }, // Chinese/HongKong
     {     25,   126 }, // Chinese/Macau
     {     25,   190 }, // Chinese/Singapore
     {     25,   208 }, // Chinese/Taiwan
     {     27,    54 }, // Croatian/Croatia
     {     28,    57 }, // Czech/CzechRepublic
     {     29,    58 }, // Danish/Denmark
     {     30,   151 }, // Dutch/Netherlands
     {     30,    21 }, // Dutch/Belgium
     {     31,   225 }, // English/UnitedStates
     {     31,     4 }, // English/AmericanSamoa
     {     31,    13 }, // English/Australia
     {     31,    21 }, // English/Belgium
     {     31,    22 }, // English/Belize
     {     31,    28 }, // English/Botswana
     {     31,    38 }, // English/Canada
     {     31,    89 }, // English/Guam
     {     31,    97 }, // English/HongKong
     {     31,   100 }, // English/India
     {     31,   104 }, // English/Ireland
     {     31,   107 }, // English/Jamaica
     {     31,   133 }, // English/Malta
     {     31,   134 }, // English/MarshallIslands
     {     31,   148 }, // English/Namibia
     {     31,   154 }, // English/NewZealand
     {     31,   160 }, // English/NorthernMarianaIslands
     {     31,   163 }, // English/Pakistan
     {     31,   170 }, // English/Philippines
     {     31,   190 }, // English/Singapore
     {     31,   195 }, // English/SouthAfrica
     {     31,   215 }, // English/TrinidadAndTobago
     {     31,   224 }, // English/UnitedKingdom
     {     31,   226 }, // English/UnitedStatesMinorOutlyingIslands
     {     31,   234 }, // English/USVirginIslands
     {     31,   240 }, // English/Zimbabwe
     {     33,    68 }, // Estonian/Estonia
     {     34,    71 }, // Faroese/FaroeIslands
     {     36,    73 }, // Finnish/Finland
     {     37,    74 }, // French/France
     {     37,    21 }, // French/Belgium
     {     37,    38 }, // French/Canada
     {     37,   125 }, // French/Luxembourg
     {     37,   142 }, // French/Monaco
     {     37,   206 }, // French/Switzerland
     {     40,   197 }, // Galician/Spain
     {     41,    81 }, // Georgian/Georgia
     {     42,    82 }, // German/Germany
     {     42,    14 }, // German/Austria
     {     42,    21 }, // German/Belgium
     {     42,   123 }, // German/Liechtenstein
     {     42,   125 }, // German/Luxembourg
     {     42,   206 }, // German/Switzerland
     {     43,    85 }, // Greek/Greece
     {     43,    56 }, // Greek/Cyprus
     {     44,    86 }, // Greenlandic/Greenland
     {     46,   100 }, // Gujarati/India
     {     47,    83 }, // Hausa/Ghana
     {     47,   156 }, // Hausa/Niger
     {     47,   157 }, // Hausa/Nigeria
     {     48,   105 }, // Hebrew/Israel
     {     49,   100 }, // Hindi/India
     {     50,    98 }, // Hungarian/Hungary
     {     51,    99 }, // Icelandic/Iceland
     {     52,   101 }, // Indonesian/Indonesia
     {     57,   104 }, // Irish/Ireland
     {     58,   106 }, // Italian/Italy
     {     58,   206 }, // Italian/Switzerland
     {     59,   108 }, // Japanese/Japan
     {     61,   100 }, // Kannada/India
     {     63,   110 }, // Kazakh/Kazakhstan
     {     64,   179 }, // Kinyarwanda/Rwanda
     {     65,   116 }, // Kirghiz/Kyrgyzstan
     {     66,   114 }, // Korean/RepublicOfKorea
     {     67,   102 }, // Kurdish/Iran
     {     67,   103 }, // Kurdish/Iraq
     {     67,   207 }, // Kurdish/SyrianArabRepublic
     {     67,   217 }, // Kurdish/Turkey
     {     69,   117 }, // Laothian/Lao
     {     71,   118 }, // Latvian/Latvia
     {     72,    49 }, // Lingala/DemocraticRepublicOfCongo
     {     72,    50 }, // Lingala/PeoplesRepublicOfCongo
     {     73,   124 }, // Lithuanian/Lithuania
     {     74,   127 }, // Macedonian/Macedonia
     {     76,   130 }, // Malay/Malaysia
     {     76,    32 }, // Malay/BruneiDarussalam
     {     77,   100 }, // Malayalam/India
     {     78,   133 }, // Maltese/Malta
     {     80,   100 }, // Marathi/India
     {     82,   143 }, // Mongolian/Mongolia
     {     84,   150 }, // Nepali/Nepal
     {     85,   161 }, // Norwegian/Norway
     {     87,   100 }, // Oriya/India
     {     88,     1 }, // Pashto/Afghanistan
     {     89,   102 }, // Persian/Iran
     {     89,     1 }, // Persian/Afghanistan
     {     90,   172 }, // Polish/Poland
     {     91,   173 }, // Portuguese/Portugal
     {     91,    30 }, // Portuguese/Brazil
     {     92,   100 }, // Punjabi/India
     {     92,   163 }, // Punjabi/Pakistan
     {     95,   177 }, // Romanian/Romania
     {     96,   178 }, // Russian/RussianFederation
     {     96,   222 }, // Russian/Ukraine
     {     99,   100 }, // Sanskrit/India
     {    100,   241 }, // Serbian/SerbiaAndMontenegro
     {    100,    27 }, // Serbian/BosniaAndHerzegowina
     {    100,   238 }, // Serbian/Yugoslavia
     {    101,   241 }, // SerboCroatian/SerbiaAndMontenegro
     {    101,    27 }, // SerboCroatian/BosniaAndHerzegowina
     {    101,   238 }, // SerboCroatian/Yugoslavia
     {    102,   195 }, // Sesotho/SouthAfrica
     {    103,   195 }, // Setswana/SouthAfrica
     {    107,   195 }, // Siswati/SouthAfrica
     {    108,   191 }, // Slovak/Slovakia
     {    109,   192 }, // Slovenian/Slovenia
     {    110,   194 }, // Somali/Somalia
     {    110,    59 }, // Somali/Djibouti
     {    110,    69 }, // Somali/Ethiopia
     {    110,   111 }, // Somali/Kenya
     {    111,   197 }, // Spanish/Spain
     {    111,    10 }, // Spanish/Argentina
     {    111,    26 }, // Spanish/Bolivia
     {    111,    43 }, // Spanish/Chile
     {    111,    47 }, // Spanish/Colombia
     {    111,    52 }, // Spanish/CostaRica
     {    111,    61 }, // Spanish/DominicanRepublic
     {    111,    63 }, // Spanish/Ecuador
     {    111,    65 }, // Spanish/ElSalvador
     {    111,    90 }, // Spanish/Guatemala
     {    111,    96 }, // Spanish/Honduras
     {    111,   139 }, // Spanish/Mexico
     {    111,   155 }, // Spanish/Nicaragua
     {    111,   166 }, // Spanish/Panama
     {    111,   168 }, // Spanish/Paraguay
     {    111,   169 }, // Spanish/Peru
     {    111,   174 }, // Spanish/PuertoRico
     {    111,   225 }, // Spanish/UnitedStates
     {    111,   227 }, // Spanish/Uruguay
     {    111,   231 }, // Spanish/Venezuela
     {    113,   111 }, // Swahili/Kenya
     {    113,   210 }, // Swahili/Tanzania
     {    114,   205 }, // Swedish/Sweden
     {    114,    73 }, // Swedish/Finland
     {    116,   209 }, // Tajik/Tajikistan
     {    117,   100 }, // Tamil/India
     {    118,   178 }, // Tatar/RussianFederation
     {    119,   100 }, // Telugu/India
     {    120,   211 }, // Thai/Thailand
     {    122,    67 }, // Tigrinya/Eritrea
     {    122,    69 }, // Tigrinya/Ethiopia
     {    124,   195 }, // Tsonga/SouthAfrica
     {    125,   217 }, // Turkish/Turkey
     {    129,   222 }, // Ukrainian/Ukraine
     {    130,   100 }, // Urdu/India
     {    130,   163 }, // Urdu/Pakistan
     {    131,   228 }, // Uzbek/Uzbekistan
     {    131,     1 }, // Uzbek/Afghanistan
     {    132,   232 }, // Vietnamese/VietNam
     {    134,   224 }, // Welsh/UnitedKingdom
     {    136,   195 }, // Xhosa/SouthAfrica
     {    138,   157 }, // Yoruba/Nigeria
     {    140,   195 }, // Zulu/SouthAfrica
     {    141,   161 }, // Nynorsk/Norway
     {    142,    27 }, // Bosnian/BosniaAndHerzegowina
     {    143,   131 }, // Divehi/Maldives
     {    144,   224 }, // Manx/UnitedKingdom
     {    145,   224 }, // Cornish/UnitedKingdom
     {    146,    83 }, // Akan/Ghana
     {    147,   100 }, // Konkani/India
     {    148,    83 }, // Ga/Ghana
     {    149,   157 }, // Igbo/Nigeria
     {    150,   111 }, // Kamba/Kenya
     {    151,   207 }, // Syriac/SyrianArabRepublic
     {    152,    67 }, // Blin/Eritrea
     {    153,    67 }, // Geez/Eritrea
     {    153,    69 }, // Geez/Ethiopia
     {    154,   157 }, // Koro/Nigeria
     {    155,    69 }, // Sidamo/Ethiopia
     {    156,   157 }, // Atsam/Nigeria
     {    157,    67 }, // Tigre/Eritrea
     {    158,   157 }, // Jju/Nigeria
     {    159,   106 }, // Friulian/Italy
     {    160,   195 }, // Venda/SouthAfrica
     {    161,    83 }, // Ewe/Ghana
     {    161,   212 }, // Ewe/Togo
     {    163,   225 }, // Hawaiian/UnitedStates
     {    164,   157 }, // Tyap/Nigeria
     {    165,   129 } // Chewa/Malawi
 };

 const int SUPPORTED_LOCALES_COUNT = sizeof(SUPPORTED_LOCALES)/sizeof(SupportedLocale);

 typedef QPair<int, int> IntPair;
 Q_DECLARE_METATYPE(SupportedLocale)

 LocaleSelector::LocaleSelector(QWidget *parent)
     : QComboBox(parent)
 {
     int curIndex = -1;
     QLocale curLocale;

     for (int i = 0; i < SUPPORTED_LOCALES_COUNT; ++i) {
         const SupportedLocale &l = SUPPORTED_LOCALES[i];
         if (l.lang == curLocale.language() && l.country == curLocale.country())
             curIndex = i;
         QString text = QLocale::languageToString(QLocale::Language(l.lang))
                         + QLatin1Char('/')
                         + QLocale::countryToString(QLocale::Country(l.country));
         addItem(text, qVariantFromValue(l));
     }

     setCurrentIndex(curIndex);

     connect(this, SIGNAL(activated(int)), this, SLOT(emitLocaleSelected(int)));
 }

 void LocaleSelector::emitLocaleSelected(int index)
 {
     QVariant v = itemData(index);
     if (!v.isValid())
         return;
     SupportedLocale l = qVariantValue<SupportedLocale>(v);
     emit localeSelected(QLocale(QLocale::Language(l.lang), QLocale::Country(l.country)));
 }


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