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LogViewHandle

Struct LogViewHandle 

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pub struct LogViewHandle { /* private fields */ }
Expand description

A cloneable handle to append to a LogView and drive it.

Use it on the UI thread — from an event handler, a timer, or an async completion. It holds an Rc, so it is not Send; feeding a log from a background thread (a PTY reader, a tracing layer) means marshalling the lines to the UI thread first — through the app’s async executor, or a channel whose receiver is drained in a handler. Each append wakes the view, which otherwise stops asking for frames when idle.

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impl LogViewHandle

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pub fn append(&self, text: &str)

Append text, split into lines on \n. A single trailing newline is a terminator, not a blank line, so it is dropped; embedded blank lines are kept. Enqueues for the next frame and wakes the view.

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pub fn append_line(&self, line: &str)

Append one line. \n is still split defensively — the document rejects a block containing one — so a value that turns out to be multi-line becomes several lines rather than an error.

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pub fn append_lines<I, S>(&self, lines: I)
where I: IntoIterator<Item = S>, S: AsRef<str>,

Append many lines.

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pub fn clear(&self)

Empty the view, resetting it to its pristine state. UI-thread only.

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pub fn scroll_to_bottom(&self)

Scroll to the bottom, resuming tail-following. UI-thread only.

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pub fn line_count(&self) -> Signal<usize>

The live line count — a status bar can bind it.

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pub fn document_version(&self) -> Signal<u64>

Bumps on every content change.

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pub fn scroll_y(&self) -> Signal<f32>

The vertical scroll offset — a follow-state indicator can read it against max_scroll_y.

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pub fn max_scroll_y(&self) -> Signal<f32>

The maximum vertical scroll offset.

Trait Implementations§

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impl Clone for LogViewHandle

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fn clone(&self) -> LogViewHandle

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for LogViewHandle

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

Formats the value using the given formatter. Read more

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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