Initial implementation of a game list

src/citra_qt/game_list.h

@@ -0,0 +1,48 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QModelIndex>
+#include <QStandardItem>
+#include <QStandardItemModel>
+#include <QString>
+#include <QTreeView>
+#include <QWidget>
+
+class GameListWorker;
+
+
+class GameList : public QWidget {
+    Q_OBJECT
+
+public:
+    enum {
+        COLUMN_FILE_TYPE,
+        COLUMN_NAME,
+        COLUMN_SIZE,
+        COLUMN_COUNT, // Number of columns
+    };
+
+    GameList(QWidget* parent = nullptr);
+    ~GameList() override;
+
+    void PopulateAsync(const QString& dir_path, bool deep_scan);
+
+public slots:
+    void AddEntry(QList<QStandardItem*> entry_items);
+
+private slots:
+    void ValidateEntry(const QModelIndex& item);
+    void DonePopulating();
+
+signals:
+    void GameChosen(QString game_path);
+    void ShouldCancelWorker();
+
+private:
+    QTreeView* tree_view = nullptr;
+    QStandardItemModel* item_model = nullptr;
+    GameListWorker* current_worker = nullptr;
+};