fix locales

CMake

@@ -1 +1 @@
-Subproject commit 0c7a0ac156d9ea8e43eac7829d25e977801a219e
+Subproject commit 9da9019155af44887c9ba11c176cac47fdd020ee

locales.cpp

@@ -15,26 +15,22 @@
 
 using namespace QuasarAppUtils;
 
-
-bool Locales::initLocale(QTranslator* translator) {
-    return QCoreApplication::installTranslator(translator);
+bool Locales::setLocale(const QLocale &locale, const QString& file, const QString& delimiter, const QString& location) {
+    auto obj = instance();
+    return obj->translate(locale, file, delimiter, location);
 }
 
-bool Locales::setLocale(const QString &prefix, const QString &locale) {
+bool Locales::translate(const QLocale &locale, const QString &file, const QString &delimiter, const QString &location) {
     auto translator = getTranslator();
 
-    if (translator->isEmpty() && !initLocale(translator)) {
-        Params::log("init translations fail! ", VerboseLvl::Error);
-    }
-
-    QString defaultLocale = QLocale::system().name();
-    defaultLocale.truncate(defaultLocale.lastIndexOf('_'));
-
-    if(translator->load(QString("%0/%1").arg(prefix, locale))) {
+    if(translator->load(locale, file, delimiter, location) && QCoreApplication::installTranslator(translator)) {
+        emit sigTranslationChanged();
         return true;
     }
 
-    if(translator->load(QString("%0/%1").arg(prefix, defaultLocale))) {
+    QLocale defaultLocale = QLocale::system();
+    if(translator->load(defaultLocale, file, delimiter, location) && QCoreApplication::installTranslator(translator)) {
+        emit sigTranslationChanged();
         return true;
     }
 
@@ -43,6 +39,11 @@ bool Locales::setLocale(const QString &prefix, const QString &locale) {
     return false;
 }
 
+Locales *Locales::instance() {
+    static auto instance = new Locales();
+    return instance;
+}
+
 QTranslator *Locales::getTranslator() {
     static QTranslator *translator = new QTranslator();
     return translator;

locales.h

@@ -11,6 +11,7 @@
 
 #include "quasarapp_global.h"
 
+#include <QLocale>
 #include <QString>
 
 class QCoreApplication;
@@ -21,25 +22,46 @@ namespace QuasarAppUtils {
 /**
  * @brief The Locales class for parese local files
  */
-class QUASARAPPSHARED_EXPORT Locales
+class QUASARAPPSHARED_EXPORT Locales : public QObject
 {
+    Q_OBJECT
 public:
-    Locales() = delete;
 
     /**
-     * @brief initLocale init translation of applictaion
-     * @param prefix - path to folder with qm files. example (/home)
-     * @param locale - string value of locale. example (en) by default empty. @note If use by default this function set sstem language.
+     * @brief setLocale set translation of applictaion
+     * @param locale - see info about QLocale
+     * @param location - path to folder with qm files. example (:/tr)
+     * @param file - prefix for translations.
      * @return return true if locale set for application
      */
-    static bool setLocale(const QString& prefix , const QString &locale = {});
+    static bool setLocale(const QLocale &locale = {}, const QString& file = {}, const QString& delimiter = "_", const QString& location = "");
+
+    /**
+     * @brief translate init translation of applictaion
+     * @param locale - see info about QLocale
+     * @param location - path to folder with qm files. example (:/tr)
+     * @param file - prefix for translations.
+     * @return return true if locale set for application
+     */
+    bool translate(const QLocale &locale = {},
+                   const QString& file = {},
+                   const QString& delimiter = "_",
+                   const QString& location = "");
+
+    /**
+     * @brief instance
+     * @return return static object
+     */
+    static Locales *instance();
+
+signals:
+    /**
+     * @brief sigTranslationChanged - emited when set new locale for application.
+     */
+    void sigTranslationChanged();
 
 private:
-    /**
-     * @brief initLocale
-     * @return true if function finished seccusseful
-     */
-    static bool initLocale(QTranslator*);
+    Locales() = default;
 
     /**
      * @brief getTranslator