Qt: Redo internal library API and clean up LibraryTree

src/platform/qt/library/LibraryController.cpp

@@ -13,23 +13,35 @@
 
 using namespace QGBA;
 
-void AbstractGameList::addEntries(QList<mLibraryEntry*> items) {
-	for (auto item : items) {
-		addEntry(item);
-	}
+LibraryEntry::LibraryEntry(const mLibraryEntry* entry)
+	: base(entry->base)
+	, filename(entry->filename)
+	, fullpath(QString("%1/%2").arg(entry->base, entry->filename))
+	, title(entry->title)
+	, internalTitle(entry->internalTitle)
+	, internalCode(entry->internalCode)
+	, platform(entry->platform)
+	, filesize(entry->filesize)
+	, crc32(entry->crc32)
+{
 }
-void AbstractGameList::removeEntries(QList<mLibraryEntry*> items) {
-	for (auto item : items) {
-		removeEntry(item);
-	}
+
+void AbstractGameList::addEntry(const LibraryEntry& item) {
+	addEntries({item});
+}
+
+void AbstractGameList::updateEntry(const LibraryEntry& item) {
+	updateEntries({item});
+}
+
+void AbstractGameList::removeEntry(const QString& item) {
+	removeEntries({item});
 }
 
 LibraryController::LibraryController(QWidget* parent, const QString& path, ConfigController* config)
 	: QStackedWidget(parent)
 	, m_config(config)
 {
-	mLibraryListingInit(&m_listing, 0);
-
 	if (!path.isNull()) {
 		// This can return NULL if the library is already open
 		m_library = std::shared_ptr<mLibrary>(mLibraryLoad(path.toUtf8().constData()), mLibraryDestroy);
@@ -52,8 +64,6 @@ LibraryController::LibraryController(QWidget* parent, const QString& path, Confi
 }
 
 LibraryController::~LibraryController() {
-	freeLibrary();
-	mLibraryListingDeinit(&m_listing);
 }
 
 void LibraryController::setViewStyle(LibraryStyle newStyle) {
@@ -68,39 +78,44 @@ void LibraryController::setViewStyle(LibraryStyle newStyle) {
 	} else {
 		newCurrentList = m_libraryGrid.get();
 	}
-	newCurrentList->selectEntry(selectedEntry());
+	newCurrentList->selectEntry(selectedEntry().fullpath);
 	newCurrentList->setViewStyle(newStyle);
 	setCurrentWidget(newCurrentList->widget());
 	m_currentList = newCurrentList;
 }
 
-void LibraryController::selectEntry(mLibraryEntry* entry) {
+void LibraryController::selectEntry(const QString& fullpath) {
 	if (!m_currentList) {
 		return;
 	}
-	m_currentList->selectEntry(entry);
+	m_currentList->selectEntry(fullpath);
 }
 
-mLibraryEntry* LibraryController::selectedEntry() {
+LibraryEntry LibraryController::selectedEntry() {
 	if (!m_currentList) {
-		return nullptr;
+		return {};
 	}
-	return m_currentList->selectedEntry();
+	return m_entries.value(m_currentList->selectedEntry());
 }
 
 VFile* LibraryController::selectedVFile() {
-	mLibraryEntry* entry = selectedEntry();
-	if (entry) {
-		return mLibraryOpenVFile(m_library.get(), entry);
+	LibraryEntry entry = selectedEntry();
+	if (!entry.isNull()) {
+		mLibraryEntry libentry = {0};
+		QByteArray baseUtf8(entry.base.toUtf8());
+		QByteArray filenameUtf8(entry.filename.toUtf8());
+		libentry.base = baseUtf8.constData();
+		libentry.filename = filenameUtf8.constData();
+		return mLibraryOpenVFile(m_library.get(), &libentry);
 	} else {
 		return nullptr;
 	}
 }
 
 QPair<QString, QString> LibraryController::selectedPath() {
-	mLibraryEntry* entry = selectedEntry();
-	if (entry) {
-		return qMakePair(QString(entry->base), QString(entry->filename));
+	LibraryEntry entry = selectedEntry();
+	if (!entry.isNull()) {
+		return qMakePair(QString(entry.base), QString(entry.filename));
 	} else {
 		return qMakePair(QString(), QString());
 	}
@@ -130,35 +145,47 @@ void LibraryController::refresh() {
 
 	setDisabled(true);
 
-	QSet<QString> allEntries;
-	QList<mLibraryEntry*> newEntries;
+	QHash<QString, LibraryEntry> removedEntries = m_entries;
+	QHash<QString, LibraryEntry> updatedEntries;
+	QList<LibraryEntry> newEntries;
 
-	freeLibrary();
-	mLibraryGetEntries(m_library.get(), &m_listing, 0, 0, nullptr);
-	for (size_t i = 0; i < mLibraryListingSize(&m_listing); i++) {
-		mLibraryEntry* entry = mLibraryListingGetPointer(&m_listing, i);
-		QString fullpath = QString("%1/%2").arg(entry->base, entry->filename);
-		if (!m_entries.contains(fullpath)) {
+	mLibraryListing listing;
+	mLibraryListingInit(&listing, 0);
+	mLibraryGetEntries(m_library.get(), &listing, 0, 0, nullptr);
+	for (size_t i = 0; i < mLibraryListingSize(&listing); i++) {
+		LibraryEntry entry = mLibraryListingGetConstPointer(&listing, i);
+		if (!m_entries.contains(entry.fullpath)) {
 			newEntries.append(entry);
+		} else {
+			updatedEntries[entry.fullpath] = entry;
 		}
-		m_entries[fullpath] = entry;
-		allEntries.insert(fullpath);
+		m_entries[entry.fullpath] = entry;
+		removedEntries.remove(entry.fullpath);
 	}
 
 	// Check for entries that were removed
-	QList<mLibraryEntry*> removedEntries;
-	for (QString& path : m_entries.keys()) {
-		if (!allEntries.contains(path)) {
-			removedEntries.append(m_entries.value(path));
-			m_entries.remove(path);
-		}
+	for (QString& path : removedEntries.keys()) {
+		m_entries.remove(path);
 	}
 
-	m_libraryTree->addEntries(newEntries);
-	m_libraryGrid->addEntries(newEntries);
+	if (!removedEntries.size() && !newEntries.size()) {
+		m_libraryTree->updateEntries(updatedEntries.values());
+		m_libraryGrid->updateEntries(updatedEntries.values());
+	} else if (!updatedEntries.size()) {
+		m_libraryTree->removeEntries(removedEntries.keys());
+		m_libraryGrid->removeEntries(removedEntries.keys());
 
-	m_libraryTree->removeEntries(removedEntries);
-	m_libraryGrid->removeEntries(removedEntries);
+		m_libraryTree->addEntries(newEntries);
+		m_libraryGrid->addEntries(newEntries);
+	} else {
+		m_libraryTree->resetEntries(m_entries.values());
+		m_libraryGrid->resetEntries(m_entries.values());
+	}
+
+	for (size_t i = 0; i < mLibraryListingSize(&listing); ++i) {
+		mLibraryEntryFree(mLibraryListingGetPointer(&listing, i));
+	}
+	mLibraryListingDeinit(&listing);
 
 	setDisabled(false);
 	selectLastBootedGame();
@@ -171,7 +198,7 @@ void LibraryController::selectLastBootedGame() {
 	}
 	const QString lastfile = m_config->getMRU().first();
 	if (m_entries.contains(lastfile)) {
-		selectEntry(m_entries.value(lastfile));
+		selectEntry(lastfile);
 	}
 }
 
@@ -182,10 +209,3 @@ void LibraryController::loadDirectory(const QString& dir, bool recursive) {
 	mLibraryLoadDirectory(library.get(), dir.toUtf8().constData(), recursive);
 	m_libraryJob.testAndSetOrdered(libraryJob, -1);
 }
-
-void LibraryController::freeLibrary() {
-	for (size_t i = 0; i < mLibraryListingSize(&m_listing); ++i) {
-		mLibraryEntryFree(mLibraryListingGetPointer(&m_listing, i));
-	}
-	mLibraryListingClear(&m_listing);
-}

src/platform/qt/library/LibraryController.h

@@ -1,5 +1,5 @@
 /* Copyright (c) 2014-2017 waddlesplash
- * Copyright (c) 2014-2021 Jeffrey Pfau
+ * Copyright (c) 2013-2021 Jeffrey Pfau
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -29,18 +29,42 @@ enum class LibraryStyle {
 	STYLE_ICON
 };
 
+struct LibraryEntry {
+	LibraryEntry() {}
+	LibraryEntry(const mLibraryEntry* entry);
+
+	bool isNull() const { return fullpath.isNull(); }
+
+	QString displayTitle() const { return title.isNull() ? filename : title; }
+
+	QString base;
+	QString filename;
+	QString fullpath;
+	QString title;
+	QByteArray internalTitle;
+	QByteArray internalCode;
+	mPlatform platform;
+	size_t filesize;
+	uint32_t crc32;
+
+	bool operator==(const LibraryEntry& other) const { return other.fullpath == fullpath; }
+};
+
 class AbstractGameList {
 public:
-	virtual mLibraryEntry* selectedEntry() = 0;
-	virtual void selectEntry(mLibraryEntry* game) = 0;
+	virtual QString selectedEntry() = 0;
+	virtual void selectEntry(const QString& fullpath) = 0;
 
 	virtual void setViewStyle(LibraryStyle newStyle) = 0;
 
-	virtual void addEntry(mLibraryEntry* item) = 0;
-	virtual void addEntries(QList<mLibraryEntry*> items);
+	virtual void resetEntries(const QList<LibraryEntry>&) = 0;
+	virtual void addEntries(const QList<LibraryEntry>&) = 0;
+	virtual void updateEntries(const QList<LibraryEntry>&) = 0;
+	virtual void removeEntries(const QList<QString>&) = 0;
 
-	virtual void removeEntry(mLibraryEntry* item) = 0;
-	virtual void removeEntries(QList<mLibraryEntry*> items);
+	virtual void addEntry(const LibraryEntry&);
+	virtual void updateEntry(const LibraryEntry&);
+	virtual void removeEntry(const QString&);
 
 	virtual QWidget* widget() = 0;
 };
@@ -56,8 +80,8 @@ public:
 	LibraryStyle viewStyle() const { return m_currentStyle; }
 	void setViewStyle(LibraryStyle newStyle);
 
-	void selectEntry(mLibraryEntry* entry);
-	mLibraryEntry* selectedEntry();
+	void selectEntry(const QString& fullpath);
+	LibraryEntry selectedEntry();
 	VFile* selectedVFile();
 	QPair<QString, QString> selectedPath();
 
@@ -77,13 +101,11 @@ private slots:
 
 private:
 	void loadDirectory(const QString&, bool recursive = true); // Called on separate thread
-	void freeLibrary();
 
 	ConfigController* m_config = nullptr;
 	std::shared_ptr<mLibrary> m_library;
 	QAtomicInteger<qint64> m_libraryJob = -1;
-	mLibraryListing m_listing;
-	QHash<QString, mLibraryEntry*> m_entries;
+	QHash<QString, LibraryEntry> m_entries;
 
 	LibraryStyle m_currentStyle;
 	AbstractGameList* m_currentList = nullptr;

src/platform/qt/library/LibraryGrid.cpp

@@ -1,4 +1,5 @@
 /* Copyright (c) 2014-2017 waddlesplash
+ * Copyright (c) 2013-2021 Jeffrey Pfau
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -23,22 +24,16 @@ LibraryGrid::~LibraryGrid() {
 	delete m_widget;
 }
 
-mLibraryEntry* LibraryGrid::selectedEntry() {
+QString LibraryGrid::selectedEntry() {
 	if (!m_widget->selectedItems().empty()) {
 		return m_items.key(m_widget->selectedItems().at(0));
 	} else {
-		return nullptr;
+		return {};
 	}
 }
 
-void LibraryGrid::selectEntry(mLibraryEntry* game) {
-	if (!game) {
-		return;
-	}
-	if (!m_widget->selectedItems().empty()) {
-		m_widget->selectedItems().at(0)->setSelected(false);
-	}
-	m_items.value(game)->setSelected(true);
+void LibraryGrid::selectEntry(const QString& game) {
+	m_widget->setCurrentItem(m_items.value(game));
 }
 
 void LibraryGrid::setViewStyle(LibraryStyle newStyle) {
@@ -47,33 +42,62 @@ void LibraryGrid::setViewStyle(LibraryStyle newStyle) {
 		m_widget->setIconSize(QSize(GRID_BANNER_WIDTH, GRID_BANNER_HEIGHT));
 		m_widget->setViewMode(QListView::IconMode);
 	} else {
-		m_currentStyle = LibraryStyle::STYLE_ICON;
 		m_widget->setIconSize(QSize(ICON_BANNER_WIDTH, ICON_BANNER_HEIGHT));
 		m_widget->setViewMode(QListView::ListMode);
 	}
+	m_currentStyle = newStyle;
 
 	// QListView resets this when you change the view mode, so let's set it again
 	m_widget->setDragEnabled(false);
 }
 
-void LibraryGrid::addEntry(mLibraryEntry* item) {
-	if (m_items.contains(item)) {
+void LibraryGrid::resetEntries(const QList<LibraryEntry>& items) {
+	m_widget->clear();
+	m_items.clear();
+	addEntries(items);
+}
+
+void LibraryGrid::addEntries(const QList<LibraryEntry>& items) {
+	for (const auto& item : items) {
+		addEntry(item);
+	}
+}
+
+void LibraryGrid::addEntry(const LibraryEntry& item) {
+	if (m_items.contains(item.fullpath)) {
 		return;
 	}
 
 	QListWidgetItem* i = new QListWidgetItem;
-	i->setText(item->title ? item->title : item->filename);
+	i->setText(item.displayTitle());
 
 	m_widget->addItem(i);
-	m_items.insert(item, i);
+	m_items.insert(item.fullpath, i);
 }
 
-void LibraryGrid::removeEntry(mLibraryEntry* entry) {
-	if (!m_items.contains(entry)) {
+void LibraryGrid::updateEntries(const QList<LibraryEntry>& items) {
+	for (const auto& item : items) {
+		updateEntry(item);
+	}
+}
+
+void LibraryGrid::updateEntry(const LibraryEntry& item) {
+	QListWidgetItem* i = m_items.value(item.fullpath);
+	i->setText(item.displayTitle());
+}
+
+void LibraryGrid::removeEntries(const QList<QString>& items) {
+	for (const auto& item : items) {
+		removeEntry(item);
+	}
+}
+
+void LibraryGrid::removeEntry(const QString& item) {
+	if (!m_items.contains(item)) {
 		return;
 	}
 
-	delete m_items.take(entry);
+	delete m_items.take(item);
 }
 
 }

src/platform/qt/library/LibraryGrid.h

@@ -16,16 +16,21 @@ public:
 	explicit LibraryGrid(LibraryController* parent = nullptr);
 	~LibraryGrid();
 
-	// AbstractGameList stuff
-	virtual mLibraryEntry* selectedEntry() override;
-	virtual void selectEntry(mLibraryEntry* game) override;
+	QString selectedEntry() override;
+	void selectEntry(const QString& fullpath) override;
 
-	virtual void setViewStyle(LibraryStyle newStyle) override;
+	void setViewStyle(LibraryStyle newStyle) override;
 
-	virtual void addEntry(mLibraryEntry* item) override;
-	virtual void removeEntry(mLibraryEntry* entry) override;
+	void resetEntries(const QList<LibraryEntry>& items) override;
+	void addEntries(const QList<LibraryEntry>& items) override;
+	void updateEntries(const QList<LibraryEntry>& items) override;
+	void removeEntries(const QList<QString>& items) override;
 
-	virtual QWidget* widget() override { return m_widget; }
+	void addEntry(const LibraryEntry& items) override;
+	void updateEntry(const LibraryEntry& items) override;
+	void removeEntry(const QString& items) override;
+
+	QWidget* widget() override { return m_widget; }
 
 signals:
 	void startGame();
@@ -40,7 +45,7 @@ private:
 	const quint32 ICON_BANNER_WIDTH = 64;
 	const quint32 ICON_BANNER_HEIGHT = 64;
 
-	QHash<mLibraryEntry*, QListWidgetItem*> m_items;
+	QHash<QString, QListWidgetItem*> m_items;
 	LibraryStyle m_currentStyle;
 };
 

src/platform/qt/library/LibraryTree.cpp

@@ -10,11 +10,13 @@
 #include <QApplication>
 #include <QDir>
 
+using namespace QGBA;
+
 namespace QGBA {
 
-class TreeWidgetItem : public QTreeWidgetItem {
+class LibraryTreeItem : public QTreeWidgetItem {
 public:
-	TreeWidgetItem(QTreeWidget* parent = nullptr) : QTreeWidgetItem(parent) {}
+	LibraryTreeItem(QTreeWidget* parent = nullptr) : QTreeWidgetItem(parent) {}
 	void setFilesize(size_t size);
 
 	virtual bool operator<(const QTreeWidgetItem& other) const override;
@@ -22,15 +24,17 @@ protected:
 	size_t m_size = 0;
 };
 
-void TreeWidgetItem::setFilesize(size_t size) {
+}
+
+void LibraryTreeItem::setFilesize(size_t size) {
 	m_size = size;
 	setText(LibraryTree::COL_SIZE, niceSizeFormat(size));
 }
 
-bool TreeWidgetItem::operator<(const QTreeWidgetItem& other) const {
+bool LibraryTreeItem::operator<(const QTreeWidgetItem& other) const {
 	const int column = treeWidget()->sortColumn();
 	return ((column == LibraryTree::COL_SIZE) ?
-		m_size < dynamic_cast<const TreeWidgetItem*>(&other)->m_size :
+		m_size < dynamic_cast<const LibraryTreeItem*>(&other)->m_size :
 		QTreeWidgetItem::operator<(other));
 }
 
@@ -56,16 +60,14 @@ LibraryTree::LibraryTree(LibraryController* parent)
 	m_widget->sortByColumn(COL_NAME, Qt::AscendingOrder);
 
 	QObject::connect(m_widget, &QTreeWidget::itemActivated, [this](QTreeWidgetItem* item, int) -> void {
-		if (!m_pathNodes.values().contains(item)) {
+		if (m_items.values().contains(item)) {
 			emit m_controller->startGame();
 		}
 	});
 }
 
 LibraryTree::~LibraryTree() {
-	for (QTreeWidgetItem* i : m_items.values()) {
-		delete i;
-	}
+	m_widget->clear();
 }
 
 void LibraryTree::resizeAllCols() {
@@ -74,75 +76,97 @@ void LibraryTree::resizeAllCols() {
 	}
 }
 
-mLibraryEntry* LibraryTree::selectedEntry() {
+QString LibraryTree::selectedEntry() {
 	if (!m_widget->selectedItems().empty()) {
 		return m_items.key(m_widget->selectedItems().at(0));
 	} else {
-		return nullptr;
+		return {};
 	}
 }
 
-void LibraryTree::selectEntry(mLibraryEntry* game) {
-	if (!game) {
+void LibraryTree::selectEntry(const QString& game) {
+	if (game.isNull()) {
 		return;
 	}
-	if (!m_widget->selectedItems().empty()) {
-		m_widget->selectedItems().at(0)->setSelected(false);
-	}
-	m_items.value(game)->setSelected(true);
+	m_widget->setCurrentItem(m_items.value(game));
 }
 
 void LibraryTree::setViewStyle(LibraryStyle newStyle) {
 	if (newStyle == LibraryStyle::STYLE_LIST) {
-		m_currentStyle = LibraryStyle::STYLE_LIST;
 		m_widget->setIndentation(0);
-		rebuildTree();
 	} else {
-		m_currentStyle = LibraryStyle::STYLE_TREE;
 		m_widget->setIndentation(20);
-		rebuildTree();
 	}
+	m_currentStyle = newStyle;
+	rebuildTree();
 }
 
-void LibraryTree::addEntries(QList<mLibraryEntry*> items) {
+void LibraryTree::resetEntries(const QList<LibraryEntry>& items) {
 	m_deferredTreeRebuild = true;
-	AbstractGameList::addEntries(items);
+	m_entries.clear();
+	m_pathNodes.clear();
+	addEntries(items);
+}
+
+void LibraryTree::addEntries(const QList<LibraryEntry>& items) {
+	m_deferredTreeRebuild = true;
+	for (const auto& item : items) {
+		addEntry(item);
+	}
 	m_deferredTreeRebuild = false;
 	rebuildTree();
 }
 
-void LibraryTree::addEntry(mLibraryEntry* item) {
-	if (m_items.contains(item)) {
-		return;
-	}
+void LibraryTree::addEntry(const LibraryEntry& item) {
+	m_entries[item.fullpath] = item;
 
-	QString folder = item->base;
+	QString folder = item.base;
 	if (!m_pathNodes.contains(folder)) {
-		QTreeWidgetItem* i = new TreeWidgetItem;
-		i->setText(0, folder.section("/", -1));
-		m_pathNodes.insert(folder, i);
-		if (m_currentStyle == LibraryStyle::STYLE_TREE) {
-			m_widget->addTopLevelItem(i);
-		}
+		m_pathNodes.insert(folder, 1);
+	} else {
+		++m_pathNodes[folder];
 	}
 
-	TreeWidgetItem* i = new TreeWidgetItem;
-	i->setText(COL_NAME, item->title ? item->title : item->filename);
-	i->setText(COL_LOCATION, QDir::toNativeSeparators(item->base));
-	i->setText(COL_PLATFORM, nicePlatformFormat(item->platform));
-	i->setFilesize(item->filesize);
-	i->setTextAlignment(COL_SIZE, Qt::AlignRight);
-	i->setText(COL_CRC32, QString("%0").arg(item->crc32, 8, 16, QChar('0')));
-	m_items.insert(item, i);
-
 	rebuildTree();
 }
 
-void LibraryTree::removeEntry(mLibraryEntry* item) {
-	if (!m_items.contains(item)) {
+void LibraryTree::updateEntries(const QList<LibraryEntry>& items) {
+	for (const auto& item : items) {
+		updateEntry(item);
+	}
+}
+
+void LibraryTree::updateEntry(const LibraryEntry& item) {
+	m_entries[item.fullpath] = item;
+
+	LibraryTreeItem* i = static_cast<LibraryTreeItem*>(m_items.value(item.fullpath));
+	i->setText(COL_NAME, item.displayTitle());
+	i->setText(COL_PLATFORM, nicePlatformFormat(item.platform));
+	i->setFilesize(item.filesize);
+	i->setText(COL_CRC32, QString("%0").arg(item.crc32, 8, 16, QChar('0')));
+}
+
+void LibraryTree::removeEntries(const QList<QString>& items) {
+	m_deferredTreeRebuild = true;
+	for (const auto& item : items) {
+		removeEntry(item);
+	}
+	m_deferredTreeRebuild = false;
+	rebuildTree();
+}
+
+void LibraryTree::removeEntry(const QString& item) {
+	if (!m_entries.contains(item)) {
 		return;
 	}
-	delete m_items.take(item);
+	QString folder = m_entries.value(item).base;
+	--m_pathNodes[folder];
+	if (m_pathNodes[folder] <= 0) {
+		m_pathNodes.remove(folder);
+	}
+
+	m_entries.remove(item);
+	rebuildTree();
 }
 
 void LibraryTree::rebuildTree() {
@@ -150,26 +174,33 @@ void LibraryTree::rebuildTree() {
 		return;
 	}
 
-	mLibraryEntry* currentGame = selectedEntry();
-
-	int count = m_widget->topLevelItemCount();
-	for (int a = count - 1; a >= 0; --a) {
-		m_widget->takeTopLevelItem(a);
-	}
-
-	for (QTreeWidgetItem* i : m_pathNodes.values()) {
-		i->takeChildren();
-	}
+	QString currentGame = selectedEntry();
+	m_widget->clear();
+	m_items.clear();
 
+	QHash<QString, QTreeWidgetItem*> pathNodes;
 	if (m_currentStyle == LibraryStyle::STYLE_TREE) {
-		for (QTreeWidgetItem* i : m_pathNodes.values()) {
+		for (const QString& folder : m_pathNodes.keys()) { 
+			QTreeWidgetItem* i = new LibraryTreeItem;
+			pathNodes.insert(folder, i);
+			i->setText(0, folder.section("/", -1));
 			m_widget->addTopLevelItem(i);
 		}
-		for (QTreeWidgetItem* i : m_items.values()) {
-			m_pathNodes.value(m_items.key(i)->base)->addChild(i);
-		}
-	} else {
-		for (QTreeWidgetItem* i : m_items.values()) {
+	}
+
+	for (const auto& item : m_entries.values()) {
+		LibraryTreeItem* i = new LibraryTreeItem;
+		i->setText(COL_NAME, item.displayTitle());
+		i->setText(COL_LOCATION, QDir::toNativeSeparators(item.base));
+		i->setText(COL_PLATFORM, nicePlatformFormat(item.platform));
+		i->setFilesize(item.filesize);
+		i->setTextAlignment(COL_SIZE, Qt::AlignRight);
+		i->setText(COL_CRC32, QString("%0").arg(item.crc32, 8, 16, QChar('0')));
+		m_items.insert(item.fullpath, i);
+
+		if (m_currentStyle == LibraryStyle::STYLE_TREE) {
+			pathNodes.value(item.base)->addChild(i);
+		} else {
 			m_widget->addTopLevelItem(i);
 		}
 	}
@@ -178,5 +209,3 @@ void LibraryTree::rebuildTree() {
 	resizeAllCols();
 	selectEntry(currentGame);
 }
-
-}

src/platform/qt/library/LibraryTree.h

@@ -11,6 +11,8 @@
 
 namespace QGBA {
 
+class LibraryTreeItem;
+
 class LibraryTree final : public AbstractGameList {
 
 public:
@@ -25,17 +27,21 @@ public:
 	explicit LibraryTree(LibraryController* parent = nullptr);
 	~LibraryTree();
 
-	// AbstractGameList stuff
-	virtual mLibraryEntry* selectedEntry() override;
-	virtual void selectEntry(mLibraryEntry* game) override;
+	QString selectedEntry() override;
+	void selectEntry(const QString& fullpath) override;
 
-	virtual void setViewStyle(LibraryStyle newStyle) override;
+	void setViewStyle(LibraryStyle newStyle) override;
 
-	virtual void addEntries(QList<mLibraryEntry*> items) override;
-	virtual void addEntry(mLibraryEntry* item) override;
-	virtual void removeEntry(mLibraryEntry* item) override;
+	void resetEntries(const QList<LibraryEntry>& items) override;
+	void addEntries(const QList<LibraryEntry>& items) override;
+	void updateEntries(const QList<LibraryEntry>& items) override;
+	void removeEntries(const QList<QString>& items) override;
 
-	virtual QWidget* widget() override { return m_widget; }
+	void addEntry(const LibraryEntry& items) override;
+	void updateEntry(const LibraryEntry& items) override;
+	void removeEntry(const QString& items) override;
+
+	QWidget* widget() override { return m_widget; }
 
 private:
 	QTreeWidget* m_widget;
@@ -44,8 +50,9 @@ private:
 	LibraryController* m_controller;
 
 	bool m_deferredTreeRebuild = false;
-	QHash<mLibraryEntry*, QTreeWidgetItem*> m_items;
-	QHash<QString, QTreeWidgetItem*> m_pathNodes;
+	QHash<QString, LibraryEntry> m_entries;
+	QHash<QString, QTreeWidgetItem*> m_items;
+	QHash<QString, int> m_pathNodes;
 
 	void rebuildTree();
 	void resizeAllCols();