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Editing

Tabs, splits, Tree-sitter highlighting, multiple cursors, folding, Vim keys and more.

Tabs, groups and files#

  • Tabs, split editor groups, back/forward navigation and session restore.
  • File explorer with file-type icons, git status colors, drag and drop, filter, and collapse all.
  • Quick open (cmd+p), go to symbol, go to tab and a command palette (cmd+shift+p).
  • Auto save on focus change or after a delay.
  • Whole-window zoom with cmd+=, cmd+- and cmd+0.

Syntax highlighting#

Hm highlights with Tree-sitter for Go, TypeScript/JavaScript, Python, Rust, Java, C, C++, C#, Zig, Lua, Ruby, PHP, Protobuf, YAML, TOML, JSON, Bash, Make, Dockerfile, CSS, HTML, Markdown, SQL and common config files.

Editing#

  • Multiple cursors and column selection: alt+click adds a cursor, alt+shift+drag selects a column, cmd+d adds the next occurrence.
  • Find and replace with regex, in the file or in a selection.
  • Code folding, soft wrap, indent guides, auto-closing brackets and quotes.
  • Auto indent (none, keep or advanced), tabs or spaces, and trimming trailing whitespace on save.
  • Markdown preview.
  • An optional Vim keymap.
editor:
  auto_indent: advanced   # none | keep | advanced
  tab_width: 4
  insert_spaces: true

Themes#

Themes include Tokyo Night, and Hm can follow the system's light or dark setting.

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