TUI from Zero

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TUI from Zero

Instructeur : Noah Gift

Inclus avec

5 modules

Obtenez un aperçu d'un sujet et apprenez les principes fondamentaux.

niveau Intermédiaire

Expérience recommandée

5 heures à compléter

Planning flexible

Apprenez à votre propre rythme

5 modules

Obtenez un aperçu d'un sujet et apprenez les principes fondamentaux.

niveau Intermédiaire

Expérience recommandée

5 heures à compléter

Planning flexible

Apprenez à votre propre rythme

Ce que vous apprendrez

Build a pure-Rust terminal-UI framework from the cell buffer up, with byte-deterministic snapshot tests in CI.
Apply the Elm-style init/update/view shape and composite layout to build production widgets (CpuGrid, ProcessTable, MemoryBar).
Create ptop-mini end-to-end — a Snapshot-fixture-driven process monitor that swaps to a live /proc reader without changing the view function.

Détails à connaître

Certificat partageable

Ajouter à votre profil LinkedIn

Récemment mis à jour !

mai 2026

Évaluations

1 devoir

Enseigné en Anglais

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Il y a 5 modules dans ce cours

TUI from Zero teaches you to build a pure-Rust terminal-UI framework from first principles to a working ptop-mini process monitor. Across five modules, you'll learn the wire format of a terminal — cells, ANSI escape sequences, Unicode block elements, and Braille code points — and how CellBuffer and DiffRenderer turn those primitives into a zero-allocation steady state. You'll master the Elm-style init/update/view shape, composite layout with Container/Row/Column, the .prs declarative scene format, and probar snapshot testing so every render byte is deterministic in CI.

The capstone is ptop-mini, a Rust process monitor whose production binary swaps a Snapshot fixture for a live /proc reader without changing one line of the view function. Every widget is gated by a YAML contract and a probar snapshot test, so the framework you build is provable, not merely working. You should be comfortable with intermediate Rust — ownership and borrowing, traits and generics, Result and the ? operator. No prior terminal-UI experience is required.

Build the rendering core of a Rust TUI from first principles. Learn how a terminal is a 2D grid of cells, how double-width Unicode is kept safe, why ANSI escape sequences are the wire format, and how CellBuffer and the Widget trait give you one paint(rect) method that composes everything else.

Inclus

6 vidéos6 lectures

6 vidéosTotal 10 minutes

1.1.1 The Terminal Is A Grid2 minutes
1.1.2 Presentar Cellbuffer2 minutes
1.1.3 Diffrenderer Emits Only Changes2 minutes
1.2.1 The Widget Trait2 minutes
1.2.2 Container Row Column2 minutes
1.2.3 Block And Label1 minute

6 lecturesTotal 51 minutes

About This Course10 minutes
Key Terms: The Terminal Is a Grid of Cells10 minutes
ELI5 Pixel Graphics1 minute
Reflection: The Terminal Is a Grid of Cells10 minutes
Key Terms: The Widget Trait — One Method, paint(rect)10 minutes
Reflection: The Widget Trait — One Method, paint(rect)10 minutes

Wire user input to state through the Elm Architecture's three pure functions: init, update, and view. Model the counter app as a struct, define Msg as an exhaustive enum, and run crossterm's poll/read loop with raw mode. Map every KeyEvent through a total dispatch function so update never sees noise, and exit cleanly on Esc, Ctrl-C, or q.

Inclus

6 vidéos4 lectures

6 vidéosTotal 9 minutes

2.1.1 Init Update View2 minutes
2.1.2 Counter App1 minute
2.1.3 Replay Determinism1 minute
2.2.1 Crossterm Event Loop2 minutes
2.2.2 Keyevent To Msg2 minutes
2.2.3 Ctrl C And Quit1 minute

4 lecturesTotal 40 minutes

Key Terms: init / update / view — the Elm Shape10 minutes
Reflection: init / update / view — the Elm Shape10 minutes
Key Terms: crossterm's Event Loop10 minutes
Reflection: crossterm's Event Loop10 minutes

Compose widgets that do real work — Sparklines from eight Unicode block glyphs, BrailleGraphs at 4x resolution, a CpuGrid that wraps one cell per core, a ProcessTable that scrolls, and a MemoryBar that fills. Each widget is one paint(rect) call; together they form a live system-monitor TUI.

Inclus

6 vidéos4 lectures

6 vidéosTotal 10 minutes

3.1.1 Block Glyph Sparkline2 minutes
3.1.2 Braillegraph Sub Cell2 minutes
3.1.3 Totality Of Glyph2 minutes
3.2.1 Cpu Grid2 minutes
3.2.2 Process Table2 minutes
3.2.3 Memory Bar1 minute

4 lecturesTotal 40 minutes

Key Terms: Sparkline and BrailleGraph10 minutes
Reflection: Sparkline and BrailleGraph10 minutes
Key Terms: CpuGrid, ProcessTable, MemoryBar10 minutes
Reflection: CpuGrid, ProcessTable, MemoryBar10 minutes

Move from imperative paint calls to declarative scenes. Write .prs files that describe layout, then watch a 200-line recursive-descent compiler reconcile them against your widgets. Lock the look with probar snapshot tests — stringified CellBuffers, inline or file-backed goldens, byte-identical between runs, all running in CI without a TTY.

Inclus

6 vidéos4 lectures

6 vidéosTotal 9 minutes

4.1.1 Why Declarative TUI1 minute
4.1.2 Prs Format1 minute
4.1.3 Compile To Widget Tree1 minute
4.2.1 Snapshot As String2 minutes
4.2.2 Golden Diff2 minutes
4.2.3 Probar Pattern2 minutes

4 lecturesTotal 40 minutes

Key Terms: Declarative TUI and the .prs Format10 minutes
Reflection: YAML Scenes and the .prs Compiler10 minutes
Key Terms: Snapshot Testing with probar10 minutes
Reflection: probar Snapshot Testing10 minutes

Bring everything together: a deterministic Snapshot fixture feeds a single pure view that composes CpuGrid, Sparkline, MemoryBar, and ProcessTable into one ptop-mini dashboard, then swap the fixture for a /proc reader to run the same view live.

Inclus

4 vidéos6 lectures1 devoir

4 vidéosTotal 9 minutes

Snapshot Fixture1 minute
View Composes1 minute
Live Loop vs CI2 minutes
Demo ptop-mini4 minutes

6 lecturesTotal 60 minutes

Key Terms: The ptop-mini Snapshot Fixture10 minutes
Reflection: The ptop-mini Snapshot Fixture10 minutes
Key Terms: ptop-mini Demo over /proc10 minutes
Reflection: ptop-mini Demo over /proc10 minutes
Before You Go10 minutes
Next Steps10 minutes

1 devoirTotal 30 minutes

Final Graded Quiz — TUI from Zero30 minutes

Instructeur

Noah Gift

Pragmatic AI Labs

57 Cours3 656 apprenants

Offert par

Pragmatic AI Labs

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