2020-09-21 11:24:16 +02:00
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# Helix
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| Crate | Description |
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| ----------- | ----------- |
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| helix-core | Core editing primitives, functional. |
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| helix-syntax | Tree-sitter grammars |
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| helix-view | UI abstractions for use in backends, imperative shell. |
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| helix-term | Terminal UI |
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2020-10-05 09:12:55 +02:00
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# Installation
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```
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git clone --depth 1 --recurse-submodules -j8 https://github.com/helix-editor/helix
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cd helix
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cargo install --path helix-term
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```
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This will install the `hx` binary to `$HOME/.cargo/bin`.
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# Notes
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2020-05-20 11:14:51 +02:00
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- server-client architecture via gRPC, UI separate from core
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- multi cursor based editing and slicing
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- WASM based plugins (builtin LSP & fuzzy file finder)
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Structure similar to codemirror:
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2020-10-05 09:12:55 +02:00
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- text (ropes)
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2020-05-20 11:14:51 +02:00
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- column utils, stuff like tab aware (row, col) -> char pos translation
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- word/grapheme/code point utils and iterators
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2020-10-05 09:12:55 +02:00
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- state
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2020-05-20 11:14:51 +02:00
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- transactions
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- changes
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- annotations (time changed etc)
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- state effects
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- additional editor state as facets
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- snapshots as an async view into current state
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- selections { anchor (nonmoving), head (moving) from/to } -> SelectionSet with a primary
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- cursor is just a single range selection
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- markers
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track a position inside text that synchronizes with edits
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2020-10-05 09:12:55 +02:00
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- { doc, selection, update(), splice, changes(), facets, tabSize, identUnit, lineSeparator, changeFilter/transactionFilter to modify stuff before }
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- view (actual UI)
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2020-05-20 11:14:51 +02:00
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- renders via termwiz
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- viewport(Lines) -> what's actually visible
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- extend the view via Decorations (inline styling) or Components (UI)
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- mark / wieget / line / replace decoration
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2020-10-05 09:12:55 +02:00
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- commands (transform state)
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2020-05-20 11:14:51 +02:00
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- movement
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- selection extension
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- deletion
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- indentation
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2020-10-05 09:12:55 +02:00
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- keymap (maps keys to commands)
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- history (undo tree via immutable ropes)
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2020-05-20 11:14:51 +02:00
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- undoes transactions
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- invert changes (generates a revert)
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2020-10-05 09:12:55 +02:00
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- (collab mode)
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- gutter (line numbers, diagnostic marker, etc) -> ties into UI components
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- rangeset/span -> mappable over changes (can be a marker primitive?)
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- syntax (treesitter)
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2020-05-20 11:14:51 +02:00
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- indentation strategies
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2020-10-05 09:12:55 +02:00
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- fold
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- selections (select mode/multiselect)
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- matchbrackets
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- closebrackets
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- special-chars (shows dots etc for specials)
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- panel (for UI: file pickers, search dialogs, etc)
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- tooltip (for UI)
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- search (regex? pcre)
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- lint (async linters)
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- lsp
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- highlight (?)
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- stream-syntax
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- autocomplete
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- comment (gc, etc for auto commenting)
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- snippets
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- terminal mode?
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2020-05-20 11:14:51 +02:00
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2020-10-05 09:12:55 +02:00
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- plugins can contain more commands/ui abstractions to use elsewhere
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- languageData as presets for each language (syntax, indent, comment, etc)
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2020-05-20 11:14:51 +02:00
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2020-10-05 09:12:55 +02:00
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Vim stuff:
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- motions/operators/text objects
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- full visual mode
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- macros
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- jump lists
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- marks
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- yank/paste
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- conceal for markdown markers, etc
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