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co-mono/packages/tui/CHANGELOG.md
Mario Zechner a6f9c3cf0d fix(tui): fix scrollback overwrite when appending lines past viewport 
Appended lines were not committed to terminal scrollback because the
renderer used cursor movement (CSI B) and carriage return without
linefeed. This caused earlier content to be overwritten when the
viewport filled up.

Changes:
- For appended lines, emit \r\n to create real scrollback lines
- When target row is below viewport, scroll with \r\n before positioning
- Add PI_TUI_WRITE_LOG env var for debugging raw ANSI output
- Add fullRedraws readonly property to TUI class
- Add viewport-overwrite-repro.ts test script

fixes #954
2026-01-26 16:51:28 +01:00

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# Changelog
## [Unreleased]
### Added
- Added `fullRedraws` readonly property to TUI class for tracking full screen redraws
- Added `PI_TUI_WRITE_LOG` environment variable to capture raw ANSI output for debugging
### Fixed
- Fixed appended lines not being committed to scrollback, causing earlier content to be overwritten when viewport fills ([#954](https://github.com/badlogic/pi-mono/issues/954))
- Slash command menu now only triggers when the editor input is otherwise empty ([#904](https://github.com/badlogic/pi-mono/issues/904))
- Center-anchored overlays now stay vertically centered when resizing the terminal taller after a shrink ([#950](https://github.com/badlogic/pi-mono/pull/950) by [@nicobailon](https://github.com/nicobailon))
- Fixed editor multi-line insertion handling and lastAction tracking ([#945](https://github.com/badlogic/pi-mono/pull/945) by [@Perlence](https://github.com/Perlence))
- Fixed editor word wrapping to reserve a cursor column ([#934](https://github.com/badlogic/pi-mono/pull/934) by [@Perlence](https://github.com/Perlence))
- Fixed editor word wrapping to use single-pass backtracking for whitespace handling ([#924](https://github.com/badlogic/pi-mono/pull/924) by [@Perlence](https://github.com/Perlence))
- Fixed Kitty image ID allocation and cleanup to prevent image ID collisions between modules
## [0.49.3] - 2026-01-22
### Added
- `codeBlockIndent` property on `MarkdownTheme` to customize code block content indentation (default: 2 spaces) ([#855](https://github.com/badlogic/pi-mono/pull/855) by [@terrorobe](https://github.com/terrorobe))
- Added Alt+Delete as hotkey for delete word forwards ([#878](https://github.com/badlogic/pi-mono/pull/878) by [@Perlence](https://github.com/Perlence))
### Changed
- Fuzzy matching now scores consecutive matches higher and penalizes gaps more heavily for better relevance ([#860](https://github.com/badlogic/pi-mono/pull/860) by [@mitsuhiko](https://github.com/mitsuhiko))
### Fixed
- Autolinked emails no longer display redundant `(mailto:...)` suffix in markdown output ([#888](https://github.com/badlogic/pi-mono/pull/888) by [@terrorobe](https://github.com/terrorobe))
- Fixed viewport tracking and cursor positioning for overlays and content shrink scenarios
- Autocomplete now allows searches with `/` characters (e.g., `folder1/folder2`) ([#882](https://github.com/badlogic/pi-mono/pull/882) by [@richardgill](https://github.com/richardgill))
- Directory completions for `@` file attachments no longer add trailing space, allowing continued autocomplete into subdirectories
## [0.49.2] - 2026-01-19
## [0.49.1] - 2026-01-18
### Added
- Added undo support to Editor with Ctrl+- hotkey. Undo coalesces consecutive word characters into one unit (fish-style). ([#831](https://github.com/badlogic/pi-mono/pull/831) by [@Perlence](https://github.com/Perlence))
- Added legacy terminal support for Ctrl+symbol keys (Ctrl+\, Ctrl+], Ctrl+-) and their Ctrl+Alt variants. ([#831](https://github.com/badlogic/pi-mono/pull/831) by [@Perlence](https://github.com/Perlence))
## [0.49.0] - 2026-01-17
### Added
- Added `showHardwareCursor` getter and setter to control cursor visibility while keeping IME positioning active. ([#800](https://github.com/badlogic/pi-mono/pull/800) by [@ghoulr](https://github.com/ghoulr))
- Added Emacs-style kill ring editing with yank and yank-pop keybindings. ([#810](https://github.com/badlogic/pi-mono/pull/810) by [@Perlence](https://github.com/Perlence))
- Added legacy Alt+letter handling and Alt+D delete word forward support in the editor keymap. ([#810](https://github.com/badlogic/pi-mono/pull/810) by [@Perlence](https://github.com/Perlence))
## [0.48.0] - 2026-01-16
### Added
- `EditorOptions` with optional `paddingX` for horizontal content padding, plus `getPaddingX()`/`setPaddingX()` methods ([#791](https://github.com/badlogic/pi-mono/pull/791) by [@ferologics](https://github.com/ferologics))
### Changed
- Hardware cursor is now disabled by default for better terminal compatibility. Set `PI_HARDWARE_CURSOR=1` to enable (replaces `PI_NO_HARDWARE_CURSOR=1` which disabled it).
### Fixed
- Decode Kitty CSI-u printable sequences in the editor so shifted symbol keys (e.g., `@`, `?`) work in terminals that enable Kitty keyboard protocol ([#779](https://github.com/badlogic/pi-mono/pull/779) by [@iamd3vil](https://github.com/iamd3vil))
## [0.47.0] - 2026-01-16
### Breaking Changes
- `Editor` constructor now requires `TUI` as first parameter: `new Editor(tui, theme)`. This enables automatic vertical scrolling when content exceeds terminal height. ([#732](https://github.com/badlogic/pi-mono/issues/732))
### Added
- Hardware cursor positioning for IME support in `Editor` and `Input` components. The terminal cursor now follows the text cursor position, enabling proper IME candidate window placement for CJK input. ([#719](https://github.com/badlogic/pi-mono/pull/719))
- `Focusable` interface for components that need hardware cursor positioning. Implement `focused: boolean` and emit `CURSOR_MARKER` in render output when focused.
- `CURSOR_MARKER` constant and `isFocusable()` type guard exported from the package
- Editor now supports Page Up/Down keys (Fn+Up/Down on MacBook) for scrolling through large content ([#732](https://github.com/badlogic/pi-mono/issues/732))
- Expanded keymap coverage for terminal compatibility: added support for Home/End keys in tmux, additional modifier combinations, and improved key sequence parsing ([#752](https://github.com/badlogic/pi-mono/pull/752) by [@richardgill](https://github.com/richardgill))
### Fixed
- Editor no longer corrupts terminal display when text exceeds screen height. Content now scrolls vertically with indicators showing lines above/below the viewport. Max height is 30% of terminal (minimum 5 lines). ([#732](https://github.com/badlogic/pi-mono/issues/732))
- `visibleWidth()` and `extractAnsiCode()` now handle APC escape sequences (`ESC _ ... BEL`), fixing width calculation and string slicing for strings containing cursor markers
- SelectList now handles multi-line descriptions by replacing newlines with spaces ([#728](https://github.com/badlogic/pi-mono/pull/728) by [@richardgill](https://github.com/richardgill))
## [0.46.0] - 2026-01-15
### Fixed
- Keyboard shortcuts (Ctrl+C, Ctrl+D, etc.) now work on non-Latin keyboard layouts (Russian, Ukrainian, Bulgarian, etc.) in terminals supporting Kitty keyboard protocol with alternate key reporting ([#718](https://github.com/badlogic/pi-mono/pull/718) by [@dannote](https://github.com/dannote))
## [0.45.7] - 2026-01-13
## [0.45.6] - 2026-01-13
### Added
- `OverlayOptions` API for overlay positioning and sizing with CSS-like values: `width`, `maxHeight`, `row`, `col` accept numbers (absolute) or percentage strings (e.g., `"50%"`). Also supports `minWidth`, `anchor`, `offsetX`, `offsetY`, `margin`. ([#667](https://github.com/badlogic/pi-mono/pull/667) by [@nicobailon](https://github.com/nicobailon))
- `OverlayOptions.visible` callback for responsive overlays - receives terminal dimensions, return false to hide ([#667](https://github.com/badlogic/pi-mono/pull/667) by [@nicobailon](https://github.com/nicobailon))
- `showOverlay()` now returns `OverlayHandle` with `hide()`, `setHidden(boolean)`, `isHidden()` for programmatic visibility control ([#667](https://github.com/badlogic/pi-mono/pull/667) by [@nicobailon](https://github.com/nicobailon))
- New exported types: `OverlayAnchor`, `OverlayHandle`, `OverlayMargin`, `OverlayOptions`, `SizeValue` ([#667](https://github.com/badlogic/pi-mono/pull/667) by [@nicobailon](https://github.com/nicobailon))
- `truncateToWidth()` now accepts optional `pad` parameter to pad result with spaces to exactly `maxWidth` ([#667](https://github.com/badlogic/pi-mono/pull/667) by [@nicobailon](https://github.com/nicobailon))
### Fixed
- Overlay compositing crash when rendered lines exceed terminal width due to complex ANSI/OSC sequences (e.g., hyperlinks in subagent output) ([#667](https://github.com/badlogic/pi-mono/pull/667) by [@nicobailon](https://github.com/nicobailon))
## [0.45.5] - 2026-01-13
## [0.45.4] - 2026-01-13
## [0.45.3] - 2026-01-13
## [0.45.2] - 2026-01-13
## [0.45.1] - 2026-01-13
## [0.45.0] - 2026-01-13
## [0.44.0] - 2026-01-12
### Added
- `SettingsListOptions` with `enableSearch` for fuzzy filtering in `SettingsList` ([#643](https://github.com/badlogic/pi-mono/pull/643) by [@ninlds](https://github.com/ninlds))
- `pageUp` and `pageDown` key support with `selectPageUp`/`selectPageDown` editor actions ([#662](https://github.com/badlogic/pi-mono/pull/662) by [@aliou](https://github.com/aliou))
### Fixed
- Numbered list items showing "1." for all items when code blocks break list continuity ([#660](https://github.com/badlogic/pi-mono/pull/660) by [@ogulcancelik](https://github.com/ogulcancelik))
## [0.43.0] - 2026-01-11
### Added
- `fuzzyFilter()` and `fuzzyMatch()` utilities for fuzzy text matching
- Slash command autocomplete now uses fuzzy matching instead of prefix matching
### Fixed
- Cursor now moves to end of content on exit, preventing status line from being overwritten ([#629](https://github.com/badlogic/pi-mono/pull/629) by [@tallshort](https://github.com/tallshort))
- Reset ANSI styles after each rendered line to prevent style leakage
## [0.42.5] - 2026-01-11
### Fixed
- Reduced flicker by only re-rendering changed lines ([#617](https://github.com/badlogic/pi-mono/pull/617) by [@ogulcancelik](https://github.com/ogulcancelik))
- Cursor position tracking when content shrinks with unchanged remaining lines
- TUI renders with wrong dimensions after suspend/resume if terminal was resized while suspended ([#599](https://github.com/badlogic/pi-mono/issues/599))
- Pasted content containing Kitty key release patterns (e.g., `:3F` in MAC addresses) was incorrectly filtered out ([#623](https://github.com/badlogic/pi-mono/pull/623) by [@ogulcancelik](https://github.com/ogulcancelik))
## [0.42.4] - 2026-01-10
## [0.42.3] - 2026-01-10
## [0.42.2] - 2026-01-10
## [0.42.1] - 2026-01-09
## [0.42.0] - 2026-01-09
## [0.41.0] - 2026-01-09
## [0.40.1] - 2026-01-09
## [0.40.0] - 2026-01-08
## [0.39.1] - 2026-01-08
## [0.39.0] - 2026-01-08
### Added
- **Experimental:** Overlay compositing for `ctx.ui.custom()` with `{ overlay: true }` option ([#558](https://github.com/badlogic/pi-mono/pull/558) by [@nicobailon](https://github.com/nicobailon))
## [0.38.0] - 2026-01-08
### Added
- `EditorComponent` interface for custom editor implementations
- `StdinBuffer` class to split batched stdin into individual sequences (adapted from [OpenTUI](https://github.com/anomalyco/opentui), MIT license)
### Fixed
- Key presses no longer dropped when batched with other events over SSH ([#538](https://github.com/badlogic/pi-mono/pull/538))
## [0.37.8] - 2026-01-07
### Added
- `Component.wantsKeyRelease` property to opt-in to key release events (default false)
### Fixed
- TUI now filters out key release events by default, preventing double-processing of keys in editors and other components
## [0.37.7] - 2026-01-07
### Fixed
- `matchesKey()` now correctly matches Kitty protocol sequences for unmodified letter keys (needed for key release events)
## [0.37.6] - 2026-01-06
### Added
- Kitty keyboard protocol flag 2 support for key release events. New exports: `isKeyRelease(data)`, `isKeyRepeat(data)`, `KeyEventType` type. Terminals supporting Kitty protocol (Kitty, Ghostty, WezTerm) now send proper key-up events.
## [0.37.5] - 2026-01-06
## [0.37.4] - 2026-01-06
## [0.37.3] - 2026-01-06
## [0.37.2] - 2026-01-05
## [0.37.1] - 2026-01-05
## [0.37.0] - 2026-01-05
### Fixed
- Crash when pasting text with trailing whitespace exceeding terminal width through Markdown rendering ([#457](https://github.com/badlogic/pi-mono/pull/457) by [@robinwander](https://github.com/robinwander))
## [0.36.0] - 2026-01-05
## [0.35.0] - 2026-01-05
## [0.34.2] - 2026-01-04
## [0.34.1] - 2026-01-04
### Added
- Symbol key support in keybinding system: `SymbolKey` type with 32 symbol keys, `Key` constants (e.g., `Key.backtick`, `Key.comma`), updated `matchesKey()` and `parseKey()` to handle symbol input ([#450](https://github.com/badlogic/pi-mono/pull/450) by [@kaofelix](https://github.com/kaofelix))
## [0.34.0] - 2026-01-04
### Added
- `Editor.getExpandedText()` method that returns text with paste markers expanded to their actual content ([#444](https://github.com/badlogic/pi-mono/pull/444) by [@aliou](https://github.com/aliou))
## [0.33.0] - 2026-01-04
### Breaking Changes
- **Key detection functions removed**: All `isXxx()` key detection functions (`isEnter()`, `isEscape()`, `isCtrlC()`, etc.) have been removed. Use `matchesKey(data, keyId)` instead (e.g., `matchesKey(data, "enter")`, `matchesKey(data, "ctrl+c")`). This affects hooks and custom tools that use `ctx.ui.custom()` with keyboard input handling. ([#405](https://github.com/badlogic/pi-mono/pull/405))
### Added
- `Editor.insertTextAtCursor(text)` method for programmatic text insertion ([#419](https://github.com/badlogic/pi-mono/issues/419))
- `EditorKeybindingsManager` for configurable editor keybindings. Components now use `matchesKey()` and keybindings manager instead of individual `isXxx()` functions. ([#405](https://github.com/badlogic/pi-mono/pull/405) by [@hjanuschka](https://github.com/hjanuschka))
### Changed
- Key detection refactored: consolidated `is*()` functions into generic `matchesKey(data, keyId)` function that accepts key identifiers like `"ctrl+c"`, `"shift+enter"`, `"alt+left"`, etc.
## [0.32.3] - 2026-01-03
## [0.32.2] - 2026-01-03
### Fixed
- Slash command autocomplete now triggers for commands starting with `.`, `-`, or `_` (e.g., `/.land`, `/-foo`) ([#422](https://github.com/badlogic/pi-mono/issues/422))
## [0.32.1] - 2026-01-03
## [0.32.0] - 2026-01-03
### Changed
- Editor component now uses word wrapping instead of character-level wrapping for better readability ([#382](https://github.com/badlogic/pi-mono/pull/382) by [@nickseelert](https://github.com/nickseelert))
### Fixed
- Shift+Space, Shift+Backspace, and Shift+Delete now work correctly in Kitty-protocol terminals (Kitty, WezTerm, etc.) instead of being silently ignored ([#411](https://github.com/badlogic/pi-mono/pull/411) by [@nathyong](https://github.com/nathyong))
## [0.31.1] - 2026-01-02
### Fixed
- `visibleWidth()` now strips OSC 8 hyperlink sequences, fixing text wrapping for clickable links ([#396](https://github.com/badlogic/pi-mono/pull/396) by [@Cursivez](https://github.com/Cursivez))
## [0.31.0] - 2026-01-02
### Added
- `isShiftCtrlO()` key detection function for Shift+Ctrl+O (Kitty protocol)
- `isShiftCtrlD()` key detection function for Shift+Ctrl+D (Kitty protocol)
- `TUI.onDebug` callback for global debug key handling (Shift+Ctrl+D)
- `wrapTextWithAnsi()` utility now exported (wraps text to width, preserving ANSI codes)
### Changed
- README.md completely rewritten with accurate component documentation, theme interfaces, and examples
- `visibleWidth()` reimplemented with grapheme-based width calculation, 10x faster on Bun and ~15% faster on Node ([#369](https://github.com/badlogic/pi-mono/pull/369) by [@nathyong](https://github.com/nathyong))
### Fixed
- Markdown component now renders HTML tags as plain text instead of silently dropping them ([#359](https://github.com/badlogic/pi-mono/issues/359))
- Crash in `visibleWidth()` and grapheme iteration when encountering undefined code points ([#372](https://github.com/badlogic/pi-mono/pull/372) by [@HACKE-RC](https://github.com/HACKE-RC))
- ZWJ emoji sequences (rainbow flag, family, etc.) now render with correct width instead of being split into multiple characters ([#369](https://github.com/badlogic/pi-mono/pull/369) by [@nathyong](https://github.com/nathyong))
## [0.29.0] - 2025-12-25
### Added
- **Auto-space before pasted file paths**: When pasting a file path (starting with `/`, `~`, or `.`) and the cursor is after a word character, a space is automatically prepended for better readability. Useful when dragging screenshots from macOS. ([#307](https://github.com/badlogic/pi-mono/pull/307) by [@mitsuhiko](https://github.com/mitsuhiko))
- **Word navigation for Input component**: Added Ctrl+Left/Right and Alt+Left/Right support for word-by-word cursor movement. ([#306](https://github.com/badlogic/pi-mono/pull/306) by [@kim0](https://github.com/kim0))
- **Full Unicode input**: Input component now accepts Unicode characters beyond ASCII. ([#306](https://github.com/badlogic/pi-mono/pull/306) by [@kim0](https://github.com/kim0))
### Fixed
- **Readline-style Ctrl+W**: Now skips trailing whitespace before deleting the preceding word, matching standard readline behavior. ([#306](https://github.com/badlogic/pi-mono/pull/306) by [@kim0](https://github.com/kim0))
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