---

author: Chenzhu-Xie name: Library/xczphysics/STYLE/Builtin_Formats tags: meta/library

pageDecoration.prefix: "🔤 "

(Missing) Builtin Formats

Command Define

1. 690f2cab c814 8010 a9f3 9b1f3c77938d #chatgpt

-- =========================
-- Inline Formatting Commands
-- =========================

-- acquire current text 获取
function getSelectedText()
  local sel = editor.getSelection()
  if not sel or sel.from == sel.to then return nil end
  local text = editor.getText()
  return text:sub(sel.from + 1, sel.to)
end

-- replace current text
function setSelectedText(newText)
  local sel = editor.getSelection()
  if not sel or sel.from == sel.to then return nil end
  editor.replaceRange(sel.from, sel.to, newText)
end

-- cursor pos to center 
function moveToNewTextPos(suffixText)
  local pos = editor.getCursor()
  local newPos = pos - #suffixText
  editor.moveCursor(newPos, false)
end

-- universal wrapper
function wrapText(prefix, suffix)
  local text = getSelectedText()
  if text and text ~= "" then
    setSelectedText(prefix .. text .. suffix)
  else
    local insertText = prefix .. suffix
    editor.insertAtCursor(insertText, false)
    moveToNewTextPos(suffix)
  end
end

Inline code: code

-- 1. Inline code: `code`
command.define {
  name = "Text: Inline Code",
  category = "Format",
  key = "Alt-`",
  description = "Wrap selection or insert inline code block",
  run = function()
    wrapText("`", "`")
  end
}

Lua widget: ${ ... }

-- 2. Lua widget: ${ ... }
command.define {
  name = "Text: Lua Widget",
  category = "Format",
  key = "Alt-[",
  description = "Wrap selection or insert Lua widget expression",
  run = function()
    wrapText("${", "}")
  end
}

Superscript: ^sup^

-- 3. Superscript: ^sup^
command.define {
  name = "Text: Superscript",
  category = "Format",
  key = "Alt-6",
  description = "Wrap selection or insert superscript text",
  run = function()
    wrapText("^", "^")
  end
}

Subscript: sub

-- 4. Subscript: ~sub~
command.define {
  name = "Text: Subscript",
  category = "Format",
  key = "Ctrl-`",
  description = "Wrap selection or insert subscript text",
  run = function()
    wrapText("~", "~")
  end
}

Command Update

Strike through: strike

-- 5. Strike through: ~~strike~~
command.update {
  name = "Text: Strikethrough",
  key = "Ctrl-alt-`",
  mac = "Ctrl-alt-`",
  priority = 1,
}

Marker: ==text==

-- 6. Marker: ==text==
command.update {
  name = "Text: Marker",
  key = "Alt-=",
  mac = "Alt-=",
  priority = 1,
}

Listify Selection: * text

-- 7. Listify Selection: * text
-- no bug: 行末 可以 触发
command.update {
  name = "Text: Listify Selection",
  key = "Alt-8",
  mac = "Alt-8",
  priority = 1,
}

Number Listify Selection: 1. text

1. issues #github

-- 8. Number Listify Selection: 1. text
-- bug: 行末 无法 触发
command.update {
  name = "Text: Number Listify Selection",
  key = "Alt-n",
  mac = "Alt-n",
  priority = 1,
}

Quote Selection: > ...

-- 9. Quote Selection: | ...
-- bug: 行末 无法 触发
command.update {
  name = "Text: Quote Selection",
  key = "Alt-\\",
  mac = "Alt-\\",
  priority = 1,
}