Enum Msg 

pub enum Msg {
    Key(KeyEvent),
    Resize(u16, u16),
    Tick,
    TreeBatch {
        req: TreeReq,
        elements: Vec<Element>,
        errors: usize,
        done: bool,
    },
    TreeFailed {
        req: TreeReq,
        error: String,
    },
    ContentsLoaded {
        page: usize,
        refs: Vec<ObjRef>,
    },
    ContentsFailed {
        page: usize,
        error: String,
    },
    InspectorLoaded {
        generation: u64,
        payload: InspectorPayload,
    },
    InspectorFailed {
        generation: u64,
        error: String,
    },
    HexLoaded {
        generation: u64,
        window_start: u64,
        total_len: u64,
        bytes: Vec<u8>,
    },
    HexFailed {
        generation: u64,
        error: String,
    },
    SearchResult {
        generation: u64,
        hit: SearchHit,
    },
    SearchDone {
        generation: u64,
    },
    PreviewReady {
        generation: u64,
        result: Result<PreviewFrame, String>,
    },
    MarkdownReady {
        generation: u64,
        result: Result<String, String>,
    },
    Yanked {
        result: Result<String, String>,
    },
}

Everything that can happen to the app: terminal input, timer ticks and background-task completions. App::update consumes exactly these.

Variants

Key(KeyEvent)

A key press from the crossterm event stream.

Resize(u16, u16)

Terminal resized to (width, height) cells.

Tick

100 ms heartbeat: spinner, toast expiry, resize debounce.

TreeBatch

A batch of streamed elements for a lazily populated tree section.

Fields

req: TreeReq

elements: Vec<Element>

errors: usize

Elements the stream yielded as errors (salvage: skipped, counted).

done: bool

TreeFailed

A tree population task failed outright.

Fields

req: TreeReq

error: String

ContentsLoaded

A page’s /Contents refs arrived.

Fields

page: usize

refs: Vec<ObjRef>

ContentsFailed

Fetching a page’s /Contents failed.

Fields

page: usize

error: String

InspectorLoaded

The selected element’s data arrived for the inspector.

Fields

generation: u64

payload: InspectorPayload

InspectorFailed

Loading the inspector payload failed.

Fields

generation: u64

error: String

HexLoaded

A window of bytes for the hex pane.

Fields

generation: u64

window_start: u64

total_len: u64

bytes: Vec<u8>

HexFailed

Reading hex bytes failed.

Fields

generation: u64

error: String

SearchResult

One incremental search hit.

Fields

generation: u64

hit: SearchHit

SearchDone

The search task visited every object.

Fields

generation: u64

PreviewReady

A page preview render finished (or failed).

Fields

generation: u64

result: Result<PreviewFrame, String>

MarkdownReady

A page’s Markdown extraction finished (or failed).

Fields

generation: u64

result: Result<String, String>

Yanked

A yank finished: the toast text, or what went wrong.

Fields

result: Result<String, String>

Trait Implementations

impl Debug for Msg

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.