Qt: Fix cover spacing not updating on resize

Closes #9869.

pcsx2-qt/GameList/GameListModel.cpp

@@ -127,12 +127,12 @@ const char* GameListModel::getColumnName(Column col)
 	return s_column_names[static_cast<int>(col)];
 }
 
-GameListModel::GameListModel(QObject* parent /* = nullptr */)
+GameListModel::GameListModel(float cover_scale, bool show_cover_titles, QObject* parent /* = nullptr */)
 	: QAbstractTableModel(parent)
-	, m_cover_pixmap_cache(MIN_COVER_CACHE_SIZE)
+	, m_show_titles_for_covers(show_cover_titles)
 {
 	loadCommonImages();
-	setCoverScale(1.0f);
+	setCoverScale(cover_scale);
 	setColumnDisplayNames();
 }
 GameListModel::~GameListModel() = default;
@@ -153,6 +153,8 @@ void GameListModel::setCoverScale(float scale)
 	m_cover_scale_counter.fetch_add(1, std::memory_order_release);
 	m_loading_pixmap = QPixmap(getCoverArtWidth(), getCoverArtHeight());
 	m_loading_pixmap.fill(QColor(0, 0, 0, 0));
+
+	emit coverScaleChanged();
 }
 
 void GameListModel::refreshCovers()
@@ -386,7 +388,7 @@ QVariant GameListModel::data(const QModelIndex& index, int role) const
 					return m_compatibility_pixmaps[static_cast<u32>(
 						(static_cast<u32>(ge->compatibility_rating) >= GameList::CompatibilityRatingCount) ?
 							GameList::CompatibilityRating::Unknown :
-                            ge->compatibility_rating)];
+							ge->compatibility_rating)];
 				}
 
 				case Column_Cover:

pcsx2-qt/GameList/GameListModel.h

@@ -55,7 +55,7 @@ public:
 	static QIcon getIconForType(GameList::EntryType type);
 	static QIcon getIconForRegion(GameList::Region region);
 
-	GameListModel(QObject* parent = nullptr);
+	GameListModel(float cover_scale, bool show_cover_titles, QObject* parent = nullptr);
 	~GameListModel();
 
 	int rowCount(const QModelIndex& parent = QModelIndex()) const override;
@@ -83,6 +83,9 @@ public:
 	void refreshCovers();
 	void updateCacheSize(int width, int height);
 
+Q_SIGNALS:
+	void coverScaleChanged();
+
 private:
 	void loadCommonImages();
 	void loadThemeSpecificImages();

pcsx2-qt/GameList/GameListWidget.cpp

@@ -115,9 +115,9 @@ GameListWidget::~GameListWidget() = default;
 
 void GameListWidget::initialize()
 {
-	m_model = new GameListModel(this);
-	m_model->setCoverScale(Host::GetBaseFloatSettingValue("UI", "GameListCoverArtScale", 0.45f));
-	m_model->setShowCoverTitles(Host::GetBaseBoolSettingValue("UI", "GameListShowCoverTitles", true));
+	const float cover_scale = Host::GetBaseFloatSettingValue("UI", "GameListCoverArtScale", 0.45f);
+	const bool show_cover_titles = Host::GetBaseBoolSettingValue("UI", "GameListShowCoverTitles", true);
+	m_model = new GameListModel(cover_scale, show_cover_titles, this);
 	m_model->updateCacheSize(width(), height());
 
 	m_sort_model = new GameListSortModel(m_model);
@@ -189,11 +189,9 @@ void GameListWidget::initialize()
 	m_list_view->setItemAlignment(Qt::AlignHCenter);
 	m_list_view->setContextMenuPolicy(Qt::CustomContextMenu);
 	m_list_view->setFrameStyle(QFrame::NoFrame);
-	m_list_view->setSpacing(m_model->getCoverArtSpacing());
 	m_list_view->setVerticalScrollMode(QAbstractItemView::ScrollMode::ScrollPerPixel);
 	m_list_view->verticalScrollBar()->setSingleStep(15);
-
-	updateListFont();
+	onCoverScaleChanged();
 
 	connect(m_list_view->selectionModel(), &QItemSelectionModel::currentChanged, this,
 		&GameListWidget::onSelectionModelCurrentChanged);
@@ -201,6 +199,7 @@ void GameListWidget::initialize()
 	connect(m_list_view, &GameListGridListView::zoomOut, this, &GameListWidget::gridZoomOut);
 	connect(m_list_view, &QListView::activated, this, &GameListWidget::onListViewItemActivated);
 	connect(m_list_view, &QListView::customContextMenuRequested, this, &GameListWidget::onListViewContextMenuRequested);
+	connect(m_model, &GameListModel::coverScaleChanged, this, &GameListWidget::onCoverScaleChanged);
 
 	m_ui.stack->insertWidget(1, m_list_view);
 
@@ -354,14 +353,23 @@ void GameListWidget::onTableViewHeaderSortIndicatorChanged(int, Qt::SortOrder)
 	saveTableViewColumnSortSettings();
 }
 
+void GameListWidget::onCoverScaleChanged()
+{
+	m_model->updateCacheSize(width(), height());
+
+	m_list_view->setSpacing(m_model->getCoverArtSpacing());
+
+	QFont font;
+	font.setPointSizeF(16.0f * m_model->getCoverScale());
+	m_list_view->setFont(font);
+}
+
 void GameListWidget::listZoom(float delta)
 {
 	const float new_scale = std::clamp(m_model->getCoverScale() + delta, MIN_SCALE, MAX_SCALE);
 	Host::SetBaseFloatSettingValue("UI", "GameListCoverArtScale", new_scale);
 	Host::CommitBaseSettingChanges();
 	m_model->setCoverScale(new_scale);
-	m_model->updateCacheSize(width(), height());
-	updateListFont();
 	updateToolbar();
 }
 
@@ -382,8 +390,6 @@ void GameListWidget::gridIntScale(int int_scale)
 	Host::SetBaseFloatSettingValue("UI", "GameListCoverArtScale", new_scale);
 	Host::CommitBaseSettingChanges();
 	m_model->setCoverScale(new_scale);
-	m_model->updateCacheSize(width(), height());
-	updateListFont();
 	updateToolbar();
 }
 
@@ -439,13 +445,6 @@ void GameListWidget::setShowCoverTitles(bool enabled)
 	emit layoutChange();
 }
 
-void GameListWidget::updateListFont()
-{
-	QFont font;
-	font.setPointSizeF(16.0f * m_model->getCoverScale());
-	m_list_view->setFont(font);
-}
-
 void GameListWidget::updateToolbar()
 {
 	const bool grid_view = isShowingGameGrid();

pcsx2-qt/GameList/GameListWidget.h

@@ -92,6 +92,7 @@ private Q_SLOTS:
 	void onTableViewHeaderSortIndicatorChanged(int, Qt::SortOrder);
 	void onListViewItemActivated(const QModelIndex& index);
 	void onListViewContextMenuRequested(const QPoint& point);
+	void onCoverScaleChanged();
 
 public Q_SLOTS:
 	void showGameList();
@@ -112,7 +113,6 @@ private:
 	void loadTableViewColumnSortSettings();
 	void saveTableViewColumnSortSettings();
 	void listZoom(float delta);
-	void updateListFont();
 	void updateToolbar();
 
 	Ui::GameListWidget m_ui;