Qt: Implement game grid/cover view

src/duckstation-qt/gamelistwidget.h

@@ -1,4 +1,5 @@
 #pragma once
+#include <QtWidgets/QListView>
 #include <QtWidgets/QStackedWidget>
 #include <QtWidgets/QTableView>
 
@@ -10,6 +11,21 @@ class GameListSortModel;
 
 class QtHostInterface;
 
+class GameListGridListView : public QListView
+{
+  Q_OBJECT
+
+public:
+  GameListGridListView(QWidget* parent = nullptr);
+
+Q_SIGNALS:
+  void zoomOut();
+  void zoomIn();
+
+protected:
+  void wheelEvent(QWheelEvent* e);
+};
+
 class GameListWidget : public QStackedWidget
 {
   Q_OBJECT
@@ -20,6 +36,11 @@ public:
 
   void initialize(QtHostInterface* host_interface);
 
+  bool isShowingGameList() const;
+  bool isShowingGameGrid() const;
+
+  bool getShowGridCoverTitles() const;
+
 Q_SIGNALS:
   void entrySelected(const GameListEntry* entry);
   void entryDoubleClicked(const GameListEntry* entry);
@@ -32,6 +53,15 @@ private Q_SLOTS:
   void onTableViewContextMenuRequested(const QPoint& point);
   void onTableViewHeaderContextMenuRequested(const QPoint& point);
   void onTableViewHeaderSortIndicatorChanged(int, Qt::SortOrder);
+  void onListViewItemDoubleClicked(const QModelIndex& index);
+  void onListViewContextMenuRequested(const QPoint& point);
+
+public Q_SLOTS:
+  void showGameList();
+  void showGameGrid();
+  void setShowCoverTitles(bool enabled);
+  void listZoomIn();
+  void listZoomOut();
 
 protected:
   void resizeEvent(QResizeEvent* event);
@@ -44,11 +74,14 @@ private:
   void saveTableViewColumnVisibilitySettings(int column);
   void loadTableViewColumnSortSettings();
   void saveTableViewColumnSortSettings();
+  void listZoom(float delta);
+  void updateListFont();
 
   QtHostInterface* m_host_interface = nullptr;
   GameList* m_game_list = nullptr;
 
-  GameListModel* m_table_model = nullptr;
-  GameListSortModel* m_table_sort_model = nullptr;
+  GameListModel* m_model = nullptr;
+  GameListSortModel* m_sort_model = nullptr;
   QTableView* m_table_view = nullptr;
+  GameListGridListView* m_list_view = nullptr;
 };