GameListModel: update icons when theme changes

Source/Core/DolphinQt2/GameList/GameListModel.cpp

@@ -4,6 +4,7 @@
 
 #include "DolphinQt2/GameList/GameListModel.h"
 #include "DolphinQt2/Resources.h"
+#include "DolphinQt2/Settings.h"
 
 const QSize GAMECUBE_BANNER_SIZE(96, 32);
 
@@ -13,6 +14,13 @@ GameListModel::GameListModel(QObject* parent) : QAbstractTableModel(parent)
   connect(&m_tracker, &GameTracker::GameRemoved, this, &GameListModel::RemoveGame);
   connect(this, &GameListModel::DirectoryAdded, &m_tracker, &GameTracker::AddDirectory);
   connect(this, &GameListModel::DirectoryRemoved, &m_tracker, &GameTracker::RemoveDirectory);
+
+  connect(&Settings::Instance(), &Settings::ThemeChanged, [this] {
+    // Tell the view to repaint. The signal 'dataChanged' also seems like it would work here, but
+    // unfortunately it won't cause a repaint until the view is focused.
+    emit layoutAboutToBeChanged();
+    emit layoutChanged();
+  });
 }
 
 QVariant GameListModel::data(const QModelIndex& index, int role) const

Source/Core/DolphinQt2/Resources.cpp

@@ -82,12 +82,20 @@ void Resources::Init()
   {
     m_countries.append(GetScaledPixmap(country));
   }
-  for (int stars = 0; stars <= 5; stars++)
-    m_ratings.append(GetScaledThemePixmap("rating" + std::to_string(stars)));
 
   m_misc.append(GetScaledPixmap("nobanner"));
   m_misc.append(GetScaledPixmap("dolphin_logo"));
   m_misc.append(GetScaledPixmap("Dolphin"));
+
+  QObject::connect(&Settings::Instance(), &Settings::ThemeChanged, Resources::InitThemeIcons);
+  InitThemeIcons();
+}
+
+void Resources::InitThemeIcons()
+{
+  m_ratings = {GetScaledThemePixmap("rating0"), GetScaledThemePixmap("rating1"),
+               GetScaledThemePixmap("rating2"), GetScaledThemePixmap("rating3"),
+               GetScaledThemePixmap("rating4"), GetScaledThemePixmap("rating5")};
 }
 
 QPixmap Resources::GetPlatform(int platform)

Source/Core/DolphinQt2/Resources.h

@@ -33,6 +33,7 @@ public:
 
 private:
   Resources() {}
+  static void InitThemeIcons();
   static QIcon GetIcon(const QString& name, const QString& dir);
   static QPixmap GetPixmap(const QString& name, const QString& dir);