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  • in Release
  • 7 min read

Algorithms for high performance terminal apps

I've had the fortune of being able to work fulltime on a FOSS project for the last three plus years.

DemoApp Paul AtreidesLady JessicaBaron Vladimir HarkonnenLeto AtreidesStilgarChaniThufir Hawat ╸━━━━━━━━━━━━━╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Heir to House Atreides who becomes the Fremen messiah Muad'Dib. Born with extraordinary mental  abilities due to Bene Gesserit breeding program. TextArea A powerful and highly configurable text area that supports syntax highlighting, line numbers,  soft wrapping, and more. ▊▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▎ ▊Python▼▎ ▊▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▎ ▊▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▎ ▊1  # Start building!▎ ▊2  fromtextualimportApp,ComposeResult▎ ▊3  ▎ ▊4  TEXTUAL="1.0"▎ ▊5  print("Welcome to Textual!")▎ ▊▎ ▊▎ ▊▎ ▊▎▄▄ ▊▎ ▊▎ ▊▎ ▊▎▃▃ ▊▎ ▊▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▎  ^s Screenshot ▏^p palette

Textual has been a constant source of programming challenges. Often frustrating but never boring, the challenges arise because the terminal "specification" says nothing about how to build a modern User Interface. The building blocks are there: after some effort you can move the cursor, write colored text, read keys and mouse movements, but that's about it. Everything else we had to build from scratch. From the most basic button to a syntax highlighted TextArea, and everything along the way.

I wanted to write-up some of the solutions we came up with, and the 1.0 milestone we just passed makes this a perfect time.

  • in Release
  • 2 min read

Textual adds Sparklines, Selection list, Input validation, and tool tips

It's been 12 days since the last Textual release, which is longer than our usual release cycle of a week.

We've been a little distracted with our "dogfood" projects: Frogmouth and Trogon. Both of which hit 1000 Github stars in 24 hours. We will be maintaining / updating those, but it is business as usual for this Textual release (and it's a big one). We have such sights to show you.