QT: QSS custom qtreeview instance

QT:QSS Customize QTreeView example

The resulting tree view is as follows ：

You can use the following style sheet to customize the background color of alternating rows ：

  QTreeView { 
    
      alternate-background-color: yellow;
  }

To provide a special background when you hover over an item , We can use ::item Child controls . for example ,

  QTreeView { 
    
      show-decoration-selected: 1;