pepper

Experimental code editor

development thread

https://twitter.com/ahvamolessa/status/1276978064166182913

todo

• undo/redo
  • store/apply edit diffs
  • compress history when adding edits
  • fix cursor position on multiple cursors
• modes
  • basic implementation
  • key chords actions
• selection
  • swap position and anchor
  • selection merging
• multiple cursors
  • merge cursors
• long lines
• search
  • highlight search matches
  • navigate between search matches
• operations
  • delete
  • copy
  • paste
• client/server model
  • dumb client sends events and receives display bytes
  • track client that last sent event (focused)
  • show status messages on focused client
• custom bindings
  • custom bindings expand to builtin bindings
  • custom bindings take precedence
  • define custom bindings in config file
• script (command) mode
  • execute script line and preserve context
  • builtin bindings
• syntax highlighting
  • simple pattern matching
  • define language syntaxes
  • calculate highlight ranges when code changes
  • recalculate only changed portions of buffer
  • show whitespace with correct colors
• utf8
• file operations
  • edit (command to open/create file?)
  • save
  • reuse buffer if already open
  • remove all buffer views when closing a buffer
• external commands
  • spawn commands (processes) that execute on the server
• cli
  • custom session name
  • config path
  • send keys to server
  • open files
• autocomplete
  • select/entries ui
  • selection movements
  • clear/change entries
  • completion suggestion as typing word
  • accept completion
  • word database
• text objects
  • inner word
  • outer word
  • inner balanced braces
  • outer balanced braces
• status bar
  • buffer name
  • buffer position
  • buffered keys
• scripting
  • integrate lua to use as command interface
  • config file is lua script
  • builtin bindings
  • full api exposed
• code navigation
  • go to line (new mode)
  • word forward/backward
  • home/end/first-column
  • half-page down/up
  • find char
  • center main cursor, main cursor at top, main cursor at bottom (zz, zk, zj)
  • go to matching bracket (gm)
  • select all text in buffer
  • limit selections to search ranges (or cursor = search ranges if empty) (?)
  • remember column when moving between lines
  • cursor history navigation
• selections
  • select current word and search
  • add cursor on 'next search result' (*)
  • skip one and add cursor on 'next next search result'
  • remove selections (set anchor to position)
  • swap anchor and position
  • select cursor lines
  • keep only main cursor
  • add cursor to each selection line
  • cursor movement kind AnchorThenPosition (??)
• editing
  • edit new line bellow/above (o and O)
  • keep current identation
  • delete identation
• macros (??)
  • repeat last insert (.)
  • record/play custom macros
• language server protocol
• debug adapter protocol