charmbracelet / bubbletea / 13141630956

50%

main: 72%

Pull #1118

github

feat,refactor!: introduce cursor model (#1303)

This introduces a new `CursorModel` interface that can be implemented by
the main model to provide a cursor position and style. A nil cursor will
hide the cursor. Otherwise, the cursor will be shown at the position and
with the style specified. Use `NewCursor` to quickly create a cursor for
a given position with default styles. This method is called in-sync with
the `Model.View` method.

It also removes the previously introduced `Frame` type and `NewFrame`
function. The main model can now return a `string` to render the program's
UI. The main model can return a `Cursor` to set the cursor position and
style.

The old `Init` method is now back and it returns a `Cmd` instead of a
both a `Model` and a `Cmd`. This is to make the mental model more straight
forward, and to keep things backwards compatible.

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