Qt sprefs: save lang in registry

Close #9329

modules/gui/qt4/components/simple_preferences.cpp

@@ -51,9 +51,138 @@
 
 #ifdef _WIN32
 # include <vlc_windows_interfaces.h>
+# include <vlc_charset.h>
 #endif
 #include <vlc_modules.h>
 
+static const char *const ppsz_language[] =
+{
+    "auto",
+    "en",
+    "ar",
+    "bn",
+    "pt_BR",
+    "en_GB",
+    "el",
+    "bg",
+    "ca",
+    "zh_TW",
+    "cs",
+    "da",
+    "nl",
+    "fi",
+    "et",
+    "eu",
+    "fr",
+    "ga",
+    "gd",
+    "gl",
+    "ka",
+    "de",
+    "he",
+    "hr",
+    "hu",
+    "hy",
+    "is",
+    "id",
+    "it",
+    "ja",
+    "ko",
+    "lt",
+    "mn",
+    "ms",
+    "nb",
+    "nn",
+    "kk",
+    "km",
+    "ne",
+    "oc",
+    "fa",
+    "pl",
+    "pt_PT",
+    "pa",
+    "ro",
+    "ru",
+    "zh_CN",
+    "si",
+    "sr",
+    "sk",
+    "sl",
+    "ckb",
+    "es",
+    "sv",
+    "te",
+    "tr",
+    "uk",
+    "vi",
+    "wa",
+    NULL,
+};
+
+static const char *const ppsz_language_text[] =
+{
+    N_("Auto"),
+    "American English",
+    "ﻉﺮﺒﻳ",
+    "বাংলা",
+    "Português Brasileiro",
+    "British English",
+    "Νέα Ελληνικά",
+    "български език",
+    "Català",
+    "正體中文",
+    "Čeština",
+    "Dansk",
+    "Nederlands",
+    "Suomi",
+    "eesti keel",
+    "Euskara",
+    "Français",
+    "Gaeilge",
+    "Gàidhlig",
+    "Galego",
+    "ქართული",
+    "Deutsch",
+    "עברית",
+    "hrvatski",
+    "Magyar",
+    "հայերեն",
+    "íslenska",
+    "Bahasa Indonesia",
+    "Italiano",
+    "日本語",
+    "한국어",
+    "lietuvių",
+    "Монгол хэл",
+    "Melayu",
+    "Bokmål",
+    "Nynorsk",
+    "Қазақ тілі",
+    "ភាសាខ្មែរ",
+    "नेपाली",
+    "Occitan",
+    "ﻑﺍﺮﺳی",
+    "Polski",
+    "Português",
+    "ਪੰਜਾਬੀ",
+    "Română",
+    "Русский",
+    "简体中文",
+    "සිංහල",
+    "српски",
+    "Slovensky",
+    "slovenščina",
+    "کوردیی سۆرانی",
+    "Español",
+    "Svenska",
+    "తెలుగు",
+    "Türkçe",
+    "украї́нська мо́ва",
+    "tiếng Việt",
+    "Walon",
+};
+
+
 /*********************************************************************
  * The List of categories
  *********************************************************************/
@@ -125,6 +254,7 @@ SPrefsPanel::SPrefsPanel( intf_thread_t *_p_intf, QWidget *_parent,
     module_config_t *p_config;
     ConfigControl *control;
     number = _number;
+    lang = NULL;
 
 #define CONFIG_GENERIC( option, type, label, qcontrol )                   \
             p_config =  config_FindConfig( VLC_OBJECT(p_intf), option );  \
@@ -556,6 +686,29 @@ SPrefsPanel::SPrefsPanel( intf_thread_t *_p_intf, QWidget *_parent,
          * Interface Panel *
          *******************/
         START_SPREFS_CAT( Interface, qtr("Interface Settings") );
+
+#ifndef _WIN32
+            ui.langBox->hide();
+#else
+            for( int i = 0; ppsz_language[i] != NULL; i++)
+                ui.langCombo->addItem( qfu(ppsz_language_text[i]), ppsz_language[i]);
+            CONNECT( ui.langCombo, currentIndexChanged( int ), this, langChanged( int ) );
+
+            HKEY h_key;
+            char *langReg = NULL;
+            if( RegOpenKeyEx( HKEY_CURRENT_USER, TEXT("Software\\VideoLAN\\VLC\\"), 0, KEY_READ, &h_key )
+                    == ERROR_SUCCESS )
+            {
+                TCHAR szData[256];
+                DWORD len = 256;
+                if( RegQueryValueEx( h_key, TEXT("Lang"), NULL, NULL, (LPBYTE) &szData, &len ) == ERROR_SUCCESS ) {
+                    langReg = FromWide( szData );
+                    ui.langCombo->setCurrentIndex( ui.langCombo->findData(langReg) );
+                }
+            }
+            free( langReg);
+#endif
+
 //            ui.defaultLabel->setFont( italicFont );
             ui.skinsLabel->setText(
                     qtr( "This is VLC's skinnable interface. You can download other skins at" )
@@ -874,7 +1027,9 @@ void SPrefsPanel::apply()
         if( qobject_cast<QComboBox *>(optionWidgets["styleCB"]) )
             getSettings()->setValue( "MainWindow/QtStyle",
                 qobject_cast<QComboBox *>(optionWidgets["styleCB"])->currentText() );
-
+#ifdef _WIN32
+    saveLang();
+#endif
         break;
     }
 
@@ -984,6 +1139,11 @@ void SPrefsPanel::changeStyle( QString s_style )
     };
 }
 
+void SPrefsPanel::langChanged( int i )
+{
+    lang = strdup( ppsz_language[i] );
+}
+
 void SPrefsPanel::configML()
 {
 #ifdef SQL_MEDIA_LIBRARY
@@ -997,6 +1157,27 @@ void SPrefsPanel::configML()
 #include <QDialogButtonBox>
 #include "util/registry.hpp"
 
+void SPrefsPanel::cleanLang() {
+    QVLCRegistry *qvReg = new QVLCRegistry( HKEY_CURRENT_USER );
+    qvReg->DeleteValue( "Software\\VideoLAN\\VLC\\", "Lang" );
+    qvReg->DeleteKey( "Software\\VideoLAN\\", "VLC" );
+    qvReg->DeleteKey( "Software\\", "VideoLAN" );
+    delete qvReg;
+}
+
+void SPrefsPanel::saveLang() {
+    if( !lang ) return;
+
+    if( !strncmp( lang, "auto", 4 ) ) {
+        cleanLang();
+    }
+    else
+    {
+        QVLCRegistry *qvReg = new QVLCRegistry( HKEY_CURRENT_USER );
+        qvReg->WriteRegistryString( "Software\\VideoLAN\\VLC\\", "Lang", lang );
+    }
+}
+
 bool SPrefsPanel::addType( const char * psz_ext, QTreeWidgetItem* current,
                            QTreeWidgetItem* parent, QVLCRegistry *qvReg )
 {

modules/gui/qt4/components/simple_preferences.hpp

@@ -96,6 +96,9 @@ public:
     virtual ~SPrefsPanel();
     void apply();
     void clean();
+#ifdef _WIN32
+    void cleanLang();
+#endif
 
 private:
     intf_thread_t *p_intf;
@@ -107,9 +110,12 @@ private:
     QStringList qs_filter;
     QButtonGroup *radioGroup;
 
+    char *lang;
+
 #ifdef _WIN32
     QList<QTreeWidgetItem *> listAsso;
     bool addType( const char * psz_ext, QTreeWidgetItem*, QTreeWidgetItem*, QVLCRegistry* );
+    void saveLang();
 #endif
 
 /* Display only the options for the selected audio output */
@@ -117,6 +123,7 @@ private slots:
     void lastfm_Changed( int );
     void updateAudioOptions( int );
     void updateAudioVolume( int );
+    void langChanged( int );
 #ifdef _WIN32
     void assoDialog();
     void saveAsso();

modules/gui/qt4/dialogs/preferences.cpp

@@ -334,6 +334,10 @@ void PrefsDialog::reset()
         config_SaveConfigFile( p_intf );
         getSettings()->clear();
 
+#ifdef _WIN32
+        simple_panels[0]->cleanLang();
+#endif
+
         accept();
     }
 }