andlabs-ui/redo/proposals/sidebar.md

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# Sidebar Control
```go
type Sidebar interface {
Control
AppendCategory(text string)
DeleteCategory(index int)
AppendItem(category int, name string)
DeleteItem(category int, index int)
Selection() (category int, index int) // or Selected()?
Select(category int, index int)
OnSelected(func())
}
```
Simple two-level sidebars.
Could have images on each item in the future.
## Mac OS X
Source List NSTableView (need to see how this will work)
## GTK+
GTK_STYLE_CLASS_SIDEBAR (available in 3.4); see how GtkPlacesSidebar implements this
- other programs that do: Rhythmbox
## Windows
????