ComposeUI: More convenient way to create this layout with lines connecting several composables What do I want to achieve? I want to create the following layout. It is important that the vertical "connecting" lines go inside the numbered boxes: What did I already try (first, naive approach)? I created the layout using a composable and a few lines. The numbered boxes get a boolean parameter which indicate if the top or bottom lines inside the box are shown. There also are vertical lines between the composables...