rm delegate from ItemViewOverlayButtons

GUI/View/Widget/ItemViewOverlayButtons.cpp

@@ -17,7 +17,6 @@
 #include <QBoxLayout>
 #include <QKeyEvent>
 #include <QMenu>
-#include <QStyledItemDelegate>
 #include <QToolButton>
 
 namespace {
@@ -26,8 +25,6 @@ class ItemViewOverlayWidget : public QWidget {
 public:
     ItemViewOverlayWidget(QAbstractItemView* view, const QModelIndex& index);
 
-    static int heightForDelegate();
-
     void setHover(bool b);
     void create();
     void hover(bool h);
@@ -46,12 +43,6 @@ private:
 };
 
 
-class ItemViewOverlayDelegate : public QStyledItemDelegate {
-public:
-    QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const override;
-};
-
-
 ItemViewOverlayWidget::ItemViewOverlayWidget(QAbstractItemView* view, const QModelIndex& index)
     : QWidget(view)
     , m_view(view)
@@ -67,14 +58,6 @@ void ItemViewOverlayWidget::setHover(bool b)
     m_hover = b;
 }
 
-int ItemViewOverlayWidget::heightForDelegate()
-{
-    QToolButton btn;
-    const int size = QApplication::style()->pixelMetric(QStyle::PM_ToolBarIconSize);
-    btn.setIconSize(QSize(size, size));
-    return btn.sizeHint().height() + 6; // 3px on top and bottom
-}
-
 void ItemViewOverlayWidget::enterEvent(QEnterEvent*)
 {
     hover(true);
@@ -145,17 +128,6 @@ void ItemViewOverlayWidget::setHorizontalAlignment(Qt::Alignment a)
 }
 
 
-QSize ItemViewOverlayDelegate::sizeHint(const QStyleOptionViewItem& option,
-                                        const QModelIndex& index) const
-{
-    QSize s = QStyledItemDelegate::sizeHint(option, index);
-    if (index.parent().isValid()) {
-        const int h = ItemViewOverlayWidget::heightForDelegate();
-        s.setHeight(std::max(s.height(), h));
-    }
-    return s;
-}
-
 } // namespace
 
 
@@ -164,13 +136,9 @@ void ItemViewOverlayButtons::install(QAbstractItemView* view, FnGetActions fnGet
     auto* h = new ItemViewOverlayButtons(view);
     h->m_get_actions = fnGetActions;
     h->m_view = view;
-    auto* d = new ItemViewOverlayDelegate;
-    view->setItemDelegate(d);
     view->installEventFilter(h);
     h->update();
 
-    connect(d, &QAbstractItemDelegate::closeEditor, h, &ItemViewOverlayButtons::update);
-
     connect(view->model(), &QAbstractItemModel::modelReset, h, &ItemViewOverlayButtons::update,
             Qt::QueuedConnection);
     connect(view->model(), &QAbstractItemModel::rowsInserted, h, &ItemViewOverlayButtons::update,