Qt: Add memory card editor

src/duckstation-qt/memorycardeditordialog.h

@@ -0,0 +1,63 @@
+#pragma once
+#include "core/memory_card_image.h"
+#include "ui_memorycardeditordialog.h"
+#include <QtWidgets/QComboBox>
+#include <QtWidgets/QDialog>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QTableWidget>
+
+class MemoryCardEditorDialog : public QDialog
+{
+  Q_OBJECT
+
+public:
+  MemoryCardEditorDialog(QWidget* parent);
+  ~MemoryCardEditorDialog();
+
+protected:
+  void resizeEvent(QResizeEvent* ev);
+  void closeEvent(QCloseEvent* ev);
+
+private Q_SLOTS:
+  void onCardASelectionChanged();
+  void onCardBSelectionChanged();
+  void doCopyFile();
+  void doDeleteFile();
+
+private:
+  struct Card
+  {
+    std::string filename;
+    MemoryCardImage::DataArray data;
+    std::vector<MemoryCardImage::FileInfo> files;
+    u32 blocks_free = 0;
+    bool dirty = false;
+
+    QComboBox* path_cb = nullptr;
+    QTableWidget* table = nullptr;
+    QLabel* blocks_free_label = nullptr;
+    QPushButton* save_button = nullptr;
+  };
+
+  void connectUi();
+  void populateComboBox(QComboBox* cb);
+  void clearSelection();
+  void loadCardFromComboBox(Card* card, int index);
+  bool loadCard(const QString& filename, Card* card);
+  void updateCardTable(Card* card);
+  void updateCardBlocksFree(Card* card);
+  void setCardDirty(Card* card);
+  void newCard(Card* card);
+  void saveCard(Card* card);
+  void promptForSave(Card* card);
+  void importCard(Card* card);
+
+  std::tuple<Card*, const MemoryCardImage::FileInfo*> getSelectedFile();
+  void updateButtonState();
+
+  Ui::MemoryCardEditorDialog m_ui;
+
+  Card m_card_a;
+  Card m_card_b;
+};