NOISSUE language selection wizard improvements

Same needs to be applied to the application settings later.

api/logic/translations/TranslationsModel.cpp

@@ -43,7 +43,7 @@ struct Language
         {
             return 100.0f;
         }
-        return float(translated) / float(total);
+        return 100.0f * float(translated) / float(total);
     }
 
     void setTranslationStats(unsigned _translated, unsigned _untranslated, unsigned _fuzzy)
@@ -85,7 +85,7 @@ struct Language
         file_sha1 = other.file_sha1;
         translated = other.translated;
         fuzzy = other.fuzzy;
-        total = other.fuzzy;
+        total = other.total;
         localFileType = other.localFileType;
         return *this;
     }
@@ -304,20 +304,49 @@ void TranslationsModel::reloadLocalFiles()
     endInsertRows();
 }
 
+namespace {
+enum class Column
+{
+    Language,
+    Quality
+};
+}
+
+
 QVariant TranslationsModel::data(const QModelIndex& index, int role) const
 {
     if (!index.isValid())
         return QVariant();
 
     int row = index.row();
+    auto column = static_cast<Column>(index.column());
 
     if (row < 0 || row >= d->m_languages.size())
         return QVariant();
 
+    auto & lang = d->m_languages[row];
     switch (role)
     {
     case Qt::DisplayRole:
+    {
+        switch(column)
+        {
+            case Column::Language:
+            {
                 return d->m_languages[row].locale.nativeLanguageName();
+            }
+            case Column::Quality:
+            {
+                QString text;
+                text.sprintf("%3.1f %%", lang.percentTranslated());
+                return text;
+            }
+        }
+    }
+    case Qt::ToolTipRole:
+    {
+        return tr("%1:\n%2 translated\n%3 fuzzy\n%4 total").arg(lang.key, QString::number(lang.translated), QString::number(lang.fuzzy), QString::number(lang.total));
+    }
     case Qt::UserRole:
         return d->m_languages[row].key;
     default:
@@ -325,11 +354,50 @@ QVariant TranslationsModel::data(const QModelIndex& index, int role) const
     }
 }
 
+QVariant TranslationsModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    auto column = static_cast<Column>(section);
+    if(role == Qt::DisplayRole)
+    {
+        switch(column)
+        {
+            case Column::Language:
+            {
+                return tr("Language");
+            }
+            case Column::Quality:
+            {
+                return tr("Quality");
+            }
+        }
+    }
+    else if(role == Qt::ToolTipRole)
+    {
+        switch(column)
+        {
+            case Column::Language:
+            {
+                return tr("The native language name.");
+            }
+            case Column::Quality:
+            {
+                return tr("Quality is the percentage of fully translated strings, not counting automatically guessed ones.");
+            }
+        }
+    }
+    return QAbstractListModel::headerData(section, orientation, role);
+}
+
 int TranslationsModel::rowCount(const QModelIndex& parent) const
 {
     return d->m_languages.size();
 }
 
+int TranslationsModel::columnCount(const QModelIndex& parent) const
+{
+    return 2;
+}
+
 Language * TranslationsModel::findLanguage(const QString& key)
 {
     auto found = std::find_if(d->m_languages.begin(), d->m_languages.end(), [&](Language & lang)

api/logic/translations/TranslationsModel.h

@@ -28,8 +28,10 @@ public:
     explicit TranslationsModel(QString path, QObject *parent = 0);
     virtual ~TranslationsModel();
 
-    virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
-    virtual int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex & parent) const override;
 
     bool selectLanguage(QString key);
     void updateLanguage(QString key);

application/setupwizard/LanguageWizardPage.cpp

@@ -3,7 +3,9 @@
 #include <translations/TranslationsModel.h>
 
 #include <QVBoxLayout>
-#include <QListView>
+#include <QTreeView>
+#include <QHeaderView>
+#include <QLabel>
 
 LanguageWizardPage::LanguageWizardPage(QWidget *parent)
     : BaseWizardPage(parent)
@@ -11,15 +13,29 @@ LanguageWizardPage::LanguageWizardPage(QWidget *parent)
     setObjectName(QStringLiteral("languagePage"));
     verticalLayout = new QVBoxLayout(this);
     verticalLayout->setObjectName(QStringLiteral("verticalLayout"));
-    languageView = new QListView(this);
+    languageView = new QTreeView(this);
     languageView->setObjectName(QStringLiteral("languageView"));
+    languageView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    languageView->setAlternatingRowColors(true);
+    languageView->setRootIsDecorated(false);
+    languageView->setItemsExpandable(false);
+    languageView->setWordWrap(true);
+    languageView->header()->setCascadingSectionResizes(true);
+    languageView->header()->setStretchLastSection(false);
     verticalLayout->addWidget(languageView);
+    helpUsLabel = new QLabel(this);
+    helpUsLabel->setTextInteractionFlags(Qt::LinksAccessibleByMouse);
+    helpUsLabel->setOpenExternalLinks(true);
+    helpUsLabel->setWordWrap(true);
+    verticalLayout->addWidget(helpUsLabel);
     retranslate();
 
     auto translations = MMC->translations();
     auto index = translations->selectedIndex();
     languageView->setModel(translations.get());
     languageView->setCurrentIndex(index);
+    languageView->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
+    languageView->header()->setSectionResizeMode(0, QHeaderView::Stretch);
     connect(languageView->selectionModel(), &QItemSelectionModel::currentRowChanged, this, &LanguageWizardPage::languageRowChanged);
 }
 
@@ -51,6 +67,11 @@ void LanguageWizardPage::retranslate()
 {
     setTitle(tr("Language"));
     setSubTitle(tr("Select the language to use in MultiMC"));
+    QString text =
+        tr("Don't see your language or the quality is poor?") +
+        "<br/>" +
+        QString("<a href=\"https://github.com/MultiMC/MultiMC5/wiki/Translating-MultiMC\">%1</a>").arg("Help us with translations!");
+    helpUsLabel->setText(text);
 }
 
 void LanguageWizardPage::languageRowChanged(const QModelIndex &current, const QModelIndex &previous)

application/setupwizard/LanguageWizardPage.h

@@ -3,7 +3,8 @@
 #include "BaseWizardPage.h"
 
 class QVBoxLayout;
-class QListView;
+class QTreeView;
+class QLabel;
 
 class LanguageWizardPage : public BaseWizardPage
 {
@@ -27,5 +28,6 @@ protected slots:
 
 private:
     QVBoxLayout *verticalLayout = nullptr;
-    QListView *languageView = nullptr;
+    QTreeView *languageView = nullptr;
+    QLabel *helpUsLabel = nullptr;
 };