clazy fixes

[pulseview.git] / pv / application.cpp

diff --git a/pv/application.cpp b/pv/application.cpp
index e933f96214d94c72620a088f7e766e8a675b574b..6f666c5c308762c55ea0990297f1ea9fea1536eb 100644 (file)
--- a/pv/application.cpp
+++ b/pv/application.cpp
@@ -21,6 +21,10 @@
 #include <typeinfo>
 
 #include <QDebug>
+#include <QDir>
+#include <QLibraryInfo>
+#include <QMessageBox>
+#include <QWidget>
 
 #include <boost/version.hpp>
 
@@ -61,10 +65,27 @@ Application::Application(int &argc, char* argv[]) :
        setOrganizationDomain("sigrok.org");
 }
 
+QStringList Application::get_languages()
+{
+       QStringList files = QDir(":/l10n/").entryList(QStringList("*.qm"), QDir::Files);
+
+       QStringList result;
+       result << "en";  // Add default language to the set
+
+       // Remove file extensions
+       for (const QString& file : files)
+               result << file.split(".").front();
+
+       result.sort(Qt::CaseInsensitive);
+
+       return result;
+}
+
 void Application::switch_language(const QString& language)
 {
        removeTranslator(&app_translator_);
        removeTranslator(&qt_translator_);
+       removeTranslator(&qtbase_translator_);
 
        if ((language != "C") && (language != "en")) {
                // Application translations
@@ -75,11 +96,34 @@ void Application::switch_language(const QString& language)
                        qWarning() << "Translation resource" << resource << "not found";
 
                // Qt translations
-               resource = ":/l10n/qtbase_" + language +".qm";
-               if (qt_translator_.load(resource))
+               QString tr_path(QLibraryInfo::location(QLibraryInfo::TranslationsPath));
+
+               if (qt_translator_.load("qt_" + language, tr_path))
                        installTranslator(&qt_translator_);
                else
-                       qWarning() << "Translation resource" << resource << "not found";
+                       qWarning() << "QT translations for" << language << "not found at" <<
+                               tr_path << ", Qt translations package is probably missing";
+
+               // Qt base translations
+               if (qtbase_translator_.load("qtbase_" + language, tr_path))
+                       installTranslator(&qtbase_translator_);
+               else
+                       qWarning() << "QT base translations for" << language << "not found at" <<
+                               tr_path << ", Qt translations package is probably missing";
+       }
+
+       if (!topLevelWidgets().empty()) {
+               // Force all windows to update
+               for (QWidget *widget : topLevelWidgets())
+                       widget->update();
+
+               QMessageBox msg(topLevelWidgets().front());
+               msg.setText(tr("Some parts of the application may still " \
+                               "use the previous language. Re-opening the affected windows or " \
+                               "restarting the application will remedy this."));
+               msg.setStandardButtons(QMessageBox::Ok);
+               msg.setIcon(QMessageBox::Information);
+               msg.exec();
        }
 }