Revert "Revert "Qt/GameList: Add option to show covers in grid mode""

Source/Core/DolphinQt/GameList/GameList.cpp

@@ -21,6 +21,7 @@
 #include <QMenu>
 #include <QMessageBox>
 #include <QProgressDialog>
+#include <QShortcut>
 #include <QSortFilterProxyModel>
 #include <QTableView>
 #include <QUrl>
@@ -73,6 +74,15 @@ GameList::GameList(QWidget* parent) : QStackedWidget(parent)
   addWidget(m_empty);
   m_prefer_list = Settings::Instance().GetPreferredView();
   ConsiderViewChange();
+
+  auto* zoom_in = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Plus), this);
+  auto* zoom_out = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Minus), this);
+
+  connect(zoom_in, &QShortcut::activated, this, &GameList::ZoomIn);
+  connect(zoom_out, &QShortcut::activated, this, &GameList::ZoomOut);
+
+  connect(&Settings::Instance(), &Settings::MetadataRefreshCompleted, this,
+          [this] { m_grid_proxy->invalidate(); });
 }
 
 void GameList::MakeListView()
@@ -854,3 +864,35 @@ void GameList::SetSearchTerm(const QString& term)
 
   UpdateColumnVisibility();
 }
+
+void GameList::ZoomIn()
+{
+  m_model->SetScale(m_model->GetScale() + 0.1);
+
+  m_list_proxy->invalidate();
+  m_grid_proxy->invalidate();
+
+  UpdateFont();
+}
+
+void GameList::ZoomOut()
+{
+  if (m_model->GetScale() <= 0.1)
+    return;
+
+  m_model->SetScale(m_model->GetScale() - 0.1);
+
+  m_list_proxy->invalidate();
+  m_grid_proxy->invalidate();
+
+  UpdateFont();
+}
+
+void GameList::UpdateFont()
+{
+  QFont f;
+
+  f.setPointSizeF(m_model->GetScale() * f.pointSize());
+
+  m_grid->setFont(f);
+}

Source/Core/DolphinQt/GameList/GameList.h

@@ -62,6 +62,9 @@ private:
   void ChangeDisc();
   void UpdateColumnVisibility();
 
+  void ZoomIn();
+  void ZoomOut();
+
   void OnHeaderViewChanged();
   void OnSectionResized(int index, int, int);
 
@@ -71,6 +74,7 @@ private:
   // We only have two views, just use a bool to distinguish.
   void SetPreferredView(bool list);
   void ConsiderViewChange();
+  void UpdateFont();
 
   GameListModel* m_model;
   QSortFilterProxyModel* m_list_proxy;

Source/Core/DolphinQt/GameList/GameListModel.cpp

@@ -283,3 +283,13 @@ void GameListModel::SetSearchTerm(const QString& term)
 {
   m_term = term;
 }
+
+void GameListModel::SetScale(float scale)
+{
+  m_scale = scale;
+}
+
+float GameListModel::GetScale() const
+{
+  return m_scale;
+}

Source/Core/DolphinQt/GameList/GameListModel.h

@@ -59,6 +59,9 @@ public:
   void UpdateGame(const std::shared_ptr<const UICommon::GameFile>& game);
   void RemoveGame(const std::string& path);
 
+  void SetScale(float scale);
+  float GetScale() const;
+
 private:
   // Index in m_games, or -1 if it isn't found
   int FindGame(const std::string& path) const;
@@ -67,4 +70,5 @@ private:
   QList<std::shared_ptr<const UICommon::GameFile>> m_games;
   Core::TitleDatabase m_title_database;
   QString m_term;
+  float m_scale = 1.0;
 };

Source/Core/DolphinQt/GameList/GameTracker.cpp

@@ -44,6 +44,10 @@ GameTracker::GameTracker(QObject* parent) : QFileSystemWatcher(parent)
     }
   });
 
+  connect(&Settings::Instance(), &Settings::MetadataRefreshRequested, this, [this] {
+    m_load_thread.EmplaceItem(Command{CommandType::UpdateMetadata, {}});
+  });
+
   m_load_thread.Reset([this](Command command) {
     switch (command.type)
     {
@@ -64,6 +68,13 @@ GameTracker::GameTracker(QObject* parent) : QFileSystemWatcher(parent)
     case CommandType::UpdateFile:
       UpdateFileInternal(command.path);
       break;
+    case CommandType::UpdateMetadata:
+      m_cache.UpdateAdditionalMetadata(
+          [this](const std::shared_ptr<const UICommon::GameFile>& game) {
+            emit GameUpdated(game);
+          });
+      QueueOnObject(this, [this] { Settings::Instance().NotifyMetadataRefreshComplete(); });
+      break;
     }
   });
 
@@ -121,6 +132,8 @@ void GameTracker::StartInternal()
   cache_updated |= m_cache.UpdateAdditionalMetadata(emit_game_updated);
   if (cache_updated)
     m_cache.Save();
+
+  QueueOnObject(this, [this] { Settings::Instance().NotifyMetadataRefreshComplete(); });
 }
 
 bool GameTracker::AddPath(const QString& dir)

Source/Core/DolphinQt/GameList/GameTracker.h

@@ -70,6 +70,7 @@ private:
     RemoveDirectory,
     UpdateDirectory,
     UpdateFile,
+    UpdateMetadata
   };
 
   struct Command

Source/Core/DolphinQt/GameList/GridProxyModel.cpp

@@ -4,11 +4,16 @@
 
 #include "DolphinQt/GameList/GridProxyModel.h"
 
+#include <QImage>
 #include <QPixmap>
 #include <QSize>
 
 #include "DolphinQt/GameList/GameListModel.h"
 
+#include "Core/Config/UISettings.h"
+
+#include "UICommon/GameFile.h"
+
 const QSize LARGE_BANNER_SIZE(144, 48);
 
 GridProxyModel::GridProxyModel(QObject* parent) : QSortFilterProxyModel(parent)
@@ -27,12 +32,30 @@ QVariant GridProxyModel::data(const QModelIndex& i, int role) const
   }
   else if (role == Qt::DecorationRole)
   {
-    auto pixmap = sourceModel()
-                      ->data(sourceModel()->index(source_index.row(), GameListModel::COL_BANNER),
-                             Qt::DecorationRole)
-                      .value<QPixmap>();
-    return pixmap.scaled(LARGE_BANNER_SIZE * pixmap.devicePixelRatio(), Qt::KeepAspectRatio,
-                         Qt::SmoothTransformation);
+    auto* model = static_cast<GameListModel*>(sourceModel());
+
+    const auto& buffer = model->GetGameFile(source_index.row())->GetCoverImage().buffer;
+
+    QPixmap pixmap;
+
+    if (buffer.empty() || !Config::Get(Config::MAIN_USE_GAME_COVERS))
+    {
+      pixmap = model
+                   ->data(model->index(source_index.row(), GameListModel::COL_BANNER),
+                          Qt::DecorationRole)
+                   .value<QPixmap>();
+
+      return pixmap.scaled(LARGE_BANNER_SIZE * model->GetScale() * pixmap.devicePixelRatio(),
+                           Qt::KeepAspectRatio, Qt::SmoothTransformation);
+    }
+    else
+    {
+      pixmap = QPixmap::fromImage(QImage::fromData(
+          reinterpret_cast<const unsigned char*>(&buffer[0]), static_cast<int>(buffer.size())));
+
+      return pixmap.scaled(QSize(160, 224) * model->GetScale() * pixmap.devicePixelRatio(),
+                           Qt::KeepAspectRatio, Qt::SmoothTransformation);
+    }
   }
   return QVariant();
 }