Qt: Make game list scrollbar only visible as-needed

src/duckstation-qt/gamelistwidget.cpp

@@ -1525,7 +1525,6 @@ void GameListWidget::onCoverScaleChanged(float scale)
 void GameListWidget::resizeEvent(QResizeEvent* event)
 {
   QWidget::resizeEvent(event);
-  resizeListViewColumnsToFit();
   updateBackground(false);
 }
 
@@ -1584,7 +1583,7 @@ GameListListView::GameListListView(GameListModel* model, GameListSortModel* sort
 
   verticalHeader()->hide();
 
-  setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
+  setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
   setVerticalScrollMode(QAbstractItemView::ScrollMode::ScrollPerPixel);
 
   GameListCenterIconStyleDelegate* center_icon_delegate = new GameListCenterIconStyleDelegate(this);
@@ -1603,6 +1602,12 @@ GameListListView::GameListListView(GameListModel* model, GameListSortModel* sort
 
 GameListListView::~GameListListView() = default;
 
+void GameListListView::resizeEvent(QResizeEvent* e)
+{
+  QTableView::resizeEvent(e);
+  resizeColumnsToFit();
+}
+
 void GameListListView::resizeColumnsToFit()
 {
   QtUtils::ResizeColumnsForTableView(this, {

src/duckstation-qt/gamelistwidget.h

@@ -163,6 +163,9 @@ public:
 
   void resizeColumnsToFit();
 
+protected:
+  void resizeEvent(QResizeEvent* e) override;
+
 private Q_SLOTS:
   void onHeaderSortIndicatorChanged(int, Qt::SortOrder);
   void onHeaderContextMenuRequested(const QPoint& point);