void (@Nullable FoldedBlock newBlock) { if (myHoveredBlock == newBlock) return; myHoveredBlock = newBlock; Cursor cursor = newBlock != null ? Cursor.getPredefinedCursor(Cursor.HAND_CURSOR) : null; for (int i = 0; i < myCount; i++) { myEditors[i].setCustomCursor(FoldingModelSupport.class, cursor); } repaintSeparators(); }