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tachikoma-tui

Scaffolds terminal UI applications in Julia using the Tachikoma.jl framework.

12|1|Updated May 18, 2026
Search Tags:#layout#scaffolding#julia#widgets#tui#tachikoma#terminal ui
One-click install
npx skills add https://github.com/csvance/Luximm.jl --skill tachikoma-tui-csvance
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: tachikoma-tui
Source: https://github.com/csvance/Luximm.jl/tree/main/skills/tachikoma-tui
Command: npx skills add https://github.com/csvance/Luximm.jl --skill tachikoma-tui-csvance

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Building a terminal UI in Julia with Tachikoma.jl requires knowing its Model/update!/view protocol, layout constraints, widget statefulness rules, and several non-obvious pitfalls that cause blank screens or corrupted output. This Skill provides the minimal app skeleton and the sharp edges upfront so you avoid costly trial-and-error round trips. ## Core Features & Use Cases - App Protocol Reference: Covers the mutable Model struct, update!/view/should_quit callbacks, the app() loop, and event dispatch on KeyEvent, MouseEvent, and TaskEvent. - Layout and Rendering Guide: Explains constraint-based split_layout (Fixed, Min, Max, Percent, Fill, Ratio), 1-based coordinates, set_char!/set_string! primitives, and theme-aware tstyle styling. - Widget Catalog and Pitfalls: Distinguishes stateless widgets (Block, Gauge, StatusBar) from stateful ones (Form, SelectableList, TextInput) and lists the mistakes that cost the most debugging time. - Use Case: Ask the agent to build a counter or dashboard TUI in Julia, and it produces a working Tachikoma app with correct layout guards, key handling, and widget state management on the first attempt. ## Quick Start Ask the agent to create a Tachikoma.jl terminal app in Julia with a counter, a bordered layout, and keyboard controls for incrementing and quitting.

Frequently Asked Questions about tachikoma-tui

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a terminal UI app in Julia with Tachikoma.jl?▼

Define a mutable struct subtyping Model, implement update! to handle KeyEvent and MouseEvent input, implement view to draw into the Frame buffer, and call app(model) to run the loop. Use @tachikoma_app so your methods extend Tachikoma's callbacks instead of shadowing them.

How do I handle keyboard input in a Tachikoma.jl app?▼

Define an update!(m, evt::KeyEvent) method and match on evt.key and evt.char, such as :char with 'q' to quit or :escape. For complex dispatch, Match.jl's @match macro on the (key, char) tuple is the idiomatic pattern.

Why does my Tachikoma app show a blank screen with no errors?▼

The usual cause is missing @tachikoma_app or explicit imports of view, update!, and should_quit, so your methods define fresh functions instead of extending Tachikoma's. The render loop never sees your callbacks and draws nothing.

Which Tachikoma widgets are stateful and must persist on the model?▼

TextInput, TextArea, CodeEditor, DataTable, Form, SelectableList, TreeView, DropDown, Checkbox, RadioGroup, Button, ScrollPane, REPLWidget, and TerminalWidget carry internal state like cursor and scroll position. Rebuilding them each frame resets that state, so store them on the model.

Why does println corrupt the screen in a Tachikoma app?▼

println writes directly to the terminal while Tachikoma is composing the frame, breaking the layout. Use @info, @debug, or @warn, which Tachikoma redirects through its recording channel, or wire on_stdout and on_stderr callbacks via app(m; on_stdout=..., on_stderr=...).

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