Add language chooser widget and handling

[pulseview.git] / pv / dialogs / settings.cpp

diff --git a/pv/dialogs/settings.cpp b/pv/dialogs/settings.cpp
index 55181e4c3e86bc5a7b5cebb6a0c54790ac7a9d07..3b4d67de766fde17814116083e92eba9a70d7a22 100644 (file)
--- a/pv/dialogs/settings.cpp
+++ b/pv/dialogs/settings.cpp
@@ -216,6 +216,26 @@ QWidget *Settings::get_general_settings_form(QWidget *parent) const
        QFormLayout *general_layout = new QFormLayout();
        general_group->setLayout(general_layout);
 
+       // Generate language combobox
+       QComboBox *language_cb = new QComboBox();
+       Application* a = qobject_cast<Application*>(QApplication::instance());
+
+       QString current_language = settings.value(GlobalSettings::Key_General_Language).toString();
+       for (QString language : a->get_languages()) {
+               QLocale locale = QLocale(language);
+               QString desc = locale.languageToString(locale.language());
+               language_cb->addItem(desc, language);
+
+               if (language == current_language) {
+                       int index = language_cb->findText(desc, Qt::MatchFixedString);
+                       language_cb->setCurrentIndex(index);
+               }
+       }
+       connect(language_cb, SIGNAL(currentIndexChanged(const QString&)),
+               this, SLOT(on_general_language_changed(const QString&)));
+       general_layout->addRow(tr("User interface language"), language_cb);
+
+       // Theme combobox
        QComboBox *theme_cb = new QComboBox();
        for (const pair<QString, QString>& entry : Themes)
                theme_cb->addItem(entry.first, entry.second);
@@ -223,13 +243,14 @@ QWidget *Settings::get_general_settings_form(QWidget *parent) const
        theme_cb->setCurrentIndex(
                settings.value(GlobalSettings::Key_General_Theme).toInt());
        connect(theme_cb, SIGNAL(currentIndexChanged(int)),
-               this, SLOT(on_general_theme_changed_changed(int)));
+               this, SLOT(on_general_theme_changed(int)));
        general_layout->addRow(tr("User interface theme"), theme_cb);
 
        QLabel *description_1 = new QLabel(tr("(You may need to restart PulseView for all UI elements to update)"));
        description_1->setAlignment(Qt::AlignRight);
        general_layout->addRow(description_1);
 
+       // Style combobox
        QComboBox *style_cb = new QComboBox();
        style_cb->addItem(tr("System Default"), "");
        for (QString& s : QStyleFactory::keys())
@@ -240,7 +261,7 @@ QWidget *Settings::get_general_settings_form(QWidget *parent) const
        if (current_style.isEmpty())
                style_cb->setCurrentIndex(0);
        else
-               style_cb->setCurrentIndex(style_cb->findText(current_style, 0));
+               style_cb->setCurrentIndex(style_cb->findText(current_style, nullptr));
 
        connect(style_cb, SIGNAL(currentIndexChanged(int)),
                this, SLOT(on_general_style_changed(int)));
@@ -250,6 +271,7 @@ QWidget *Settings::get_general_settings_form(QWidget *parent) const
        description_2->setAlignment(Qt::AlignRight);
        general_layout->addRow(description_2);
 
+       // Misc
        cb = create_checkbox(GlobalSettings::Key_General_SaveWithSetup,
                SLOT(on_general_save_with_setup_changed(int)));
        general_layout->addRow(tr("Save session &setup along with .sr file"), cb);
@@ -393,7 +415,7 @@ QWidget *Settings::get_decoder_settings_form(QWidget *parent)
        connect(ann_export_format_, SIGNAL(textChanged(const QString&)),
                this, SLOT(on_dec_exportFormat_changed(const QString&)));
        decoder_layout->addRow(tr("Annotation export format"), ann_export_format_);
-       QLabel *description_1 = new QLabel(tr("%s = sample range; %d: decoder name; %c: row name; %q: use quotations marks"));
+       QLabel *description_1 = new QLabel(tr("%s = sample range; %d: decoder name; %r: row name; %q: use quotation marks"));
        description_1->setAlignment(Qt::AlignRight);
        decoder_layout->addRow(description_1);
        QLabel *description_2 = new QLabel(tr("%1: longest annotation text; %a: all annotation texts"));
@@ -583,10 +605,24 @@ void Settings::on_page_changed(QListWidgetItem *current, QListWidgetItem *previo
        pages->setCurrentIndex(page_list->row(current));
 }
 
-void Settings::on_general_theme_changed_changed(int state)
+void Settings::on_general_language_changed(const QString &text)
+{
+       GlobalSettings settings;
+       Application* a = qobject_cast<Application*>(QApplication::instance());
+
+       for (QString language : a->get_languages()) {
+               QLocale locale = QLocale(language);
+               QString desc = locale.languageToString(locale.language());
+
+               if (text == desc)
+                       settings.setValue(GlobalSettings::Key_General_Language, language);
+       }
+}
+
+void Settings::on_general_theme_changed(int value)
 {
        GlobalSettings settings;
-       settings.setValue(GlobalSettings::Key_General_Theme, state);
+       settings.setValue(GlobalSettings::Key_General_Theme, value);
        settings.apply_theme();
 
        QMessageBox msg(this);
@@ -608,15 +644,15 @@ void Settings::on_general_theme_changed_changed(int state)
        }
 }
 
-void Settings::on_general_style_changed(int state)
+void Settings::on_general_style_changed(int value)
 {
        GlobalSettings settings;
 
-       if (state == 0)
+       if (value == 0)
                settings.setValue(GlobalSettings::Key_General_Style, "");
        else
                settings.setValue(GlobalSettings::Key_General_Style,
-                       QStyleFactory::keys().at(state - 1));
+                       QStyleFactory::keys().at(value - 1));
 
        settings.apply_theme();
 }