JakeWharton/mosaic

View on GitHub

Build terminal UI in Kotlin using Jetpack Compose

Stars: 2.8k
Forks: 103
Open beginner issues: 0
Indexed issues: 53
Avg merge: 7h 14m
Merged PRs (30d): 25

Dominant language: Kotlin
License: Apache-2.0
Last GitHub push: Sep 13, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Open All

53 open issues indexed

Exceptions in the render loop don't bring down program Open

bug mosaic/runtime

JakeWharton/mosaic#12 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Dependency Dashboard Open

JakeWharton/mosaic#91 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Exact steps to get started Open

JakeWharton/mosaic#184 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Allocation reduction pass Open

enhancement

JakeWharton/mosaic#190 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
textinput support? Open

JakeWharton/mosaic#274 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
North star projects Open

PR welcome

JakeWharton/mosaic#316 · 7 comments · 13 reactions · 0 assignees · Indexed Sep 18, 2026
Crash at latest under GraalVM Open

bug upstream/coroutines

JakeWharton/mosaic#386 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Canvas interceptor Open

enhancement

JakeWharton/mosaic#391 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
SubcomposeLayout Open

enhancement

JakeWharton/mosaic#401 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
`ArrayIndexOutOfBoundsException` when rerendering long text Open

bug mosaic/runtime

JakeWharton/mosaic#426 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Support setting window title Open

enhancement mosaic/runtime

JakeWharton/mosaic#454 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Support entering/exiting alternate screen Open

enhancement mosaic/runtime

JakeWharton/mosaic#455 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 18, 2026
Add BSD ARM and x64 support Open

enhancement upstream/zig

JakeWharton/mosaic#475 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Write to bytes directly, not chars to `Appendable` Open

enhancement mosaic/runtime

JakeWharton/mosaic#484 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Logging side-channel via env var Open

enhancement mosaic/runtime

JakeWharton/mosaic#494 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Support pointer input Open

enhancement mosaic/runtime

JakeWharton/mosaic#495 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Embed R8/ProGuard rules for native methods Open

enhancement mosaic/tty

JakeWharton/mosaic#536 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Support Kitty graphics protocol Open

enhancement mosaic/runtime

JakeWharton/mosaic#621 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Rename `mosaic-runtime` to `mosaic-ui`? Open

mosaic/runtime

JakeWharton/mosaic#622 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Beef up root and module's `README.md` and add to Dokka Open

build and CI documentation good first issue PR welcome

JakeWharton/mosaic#624 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Support Kitty pointer shape protocol Open

enhancement mosaic/runtime

JakeWharton/mosaic#629 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Replace animated GIF creation with something that actually works Open

build and CI

JakeWharton/mosaic#641 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
`AnsiLevel` should be a maximum, not a forced mechanism Open

enhancement mosaic/runtime

JakeWharton/mosaic#670 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Intercept stdout so rogue `println`s still work correctly Open

enhancement mosaic/runtime mosaic/tty

JakeWharton/mosaic#681 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Enable Kitty keyboard protocol during startup, if supported Open

enhancement mosaic/runtime PR welcome

JakeWharton/mosaic#703 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
`SpanStyle` properties do not merge when appropriate Open

bug mosaic/runtime

JakeWharton/mosaic#709 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Start documentation site Open

documentation

JakeWharton/mosaic#713 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Text overdraw maintains ANSI characters from behind Open

bug mosaic/runtime

JakeWharton/mosaic#717 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Layout can hang indefinitely with Infinite width Open

bug mosaic/runtime PR welcome

JakeWharton/mosaic#718 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Use terminal width for top-level constraints Open

enhancement mosaic/runtime PR welcome

JakeWharton/mosaic#719 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Track placement order (and non-placement) and honor it in draw Open

bug mosaic/runtime PR welcome

JakeWharton/mosaic#720 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Actualize `Tty` and `TestTty` with Java classes Open

blocked enhancement mosaic/tty upstream/kotlin

JakeWharton/mosaic#737 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Consider a `MosaicScope` again Open

enhancement mosaic/runtime

JakeWharton/mosaic#763 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Add GraalVM testing Open

build and CI mosaic/tty PR welcome

JakeWharton/mosaic#764 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Eliminate tests which directly assert against nodes Open

enhancement good first issue PR welcome

JakeWharton/mosaic#767 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add `AnnotatedString`-based logger for non-Composable call sites Open

enhancement mosaic/runtime PR welcome

JakeWharton/mosaic#776 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Ship `module-info` in the jars Open

build and CI enhancement mosaic/runtime mosaic/terminal mosaic/testing mosaic/tty PR welcome

JakeWharton/mosaic#781 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Support Kitty text sizing protocol Open

enhancement mosaic/runtime

JakeWharton/mosaic#834 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Heavily outdated README Open

JakeWharton/mosaic#893 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Support images through Sixel Open

enhancement mosaic/runtime

JakeWharton/mosaic#897 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Give snake sample some flair Open

enhancement mosaic/samples PR welcome

JakeWharton/mosaic#904 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 18, 2026
Run R8 on compiled JDK 22 classes before bundling into jar Open

enhancement mosaic/tty PR welcome

JakeWharton/mosaic#906 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Split out test tty native code into its own library Open

enhancement mosaic/tty

JakeWharton/mosaic#912 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Split JNI from rest of TTY library Open

enhancement mosaic/tty

JakeWharton/mosaic#913 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 18, 2026
`TtyTerminalFocusTest.noReply` flaky Open

mosaic/tty PR welcome

JakeWharton/mosaic#954 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
CI build shard should not link all samples Open

build and CI PR welcome

JakeWharton/mosaic#969 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Internal error when reading key events for non-ASCII characters Open

JakeWharton/mosaic#972 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 18, 2026
Document that an interrupt is sticky Open

documentation mosaic/tty

JakeWharton/mosaic#996 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Move Zig download to a build service, global dir Open

build and CI PR welcome

JakeWharton/mosaic#1016 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Figure out why interrupt bug wasn't caught by tests Open

mosaic/tty PR welcome

JakeWharton/mosaic#1019 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026

JakeWharton/mosaic

Get new issues in your inbox