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outline.nvim/README.md
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# ⚠️ NOTE: THIS IS A FORK
This is a fork of the original symbols-outline.nvim which merges some selected
PRs from the original repo, plus some other improvements due to personal
preferences.
It does not attempt to be an up-to-date successor of the original repo, nor does
it attempt to ensure everyone's use-cases are satisfied by providing an overall
better experience. It is merely a fork which I maintain for my personal
use-cases which incorporates some selected PRs.
## Maintenance status
This fork is NOT guaranteed to be completely bug-free, nor as stable as the
original. However, since I use this plugin myself, it is guaranteed that
selected issues that I encounter myself would be fixed (to the best of my
ability).
I do not merge PRs from the original repo that I don't personally need.
- **DO use this fork if**:
- You want to use features available in this fork, which are not included
upstream (listed below)
- You MIGHT want some up-to-date fixes to problems (that I also face) but is
OK with some things not being looked after well (things I don't personally use)
- **Do NOT use this fork if**:
- You want a stable plugin
- You don't need the extra features in this fork
## Features
Below is a list of features I've included in this fork which, at the time of
writing, has not been included upstream (in the original repo). I try my best to
keep this list up to date.
Features:
- Feat: Toggling folds (and added default keymaps for it)
(simrat39/symbols-outline.nvim#194)
- Feat: Control focus between outline and code window.
- New commands: SymbolsOutline`Focus,FocusOutline,FocusCode` (see
[commands](#commands))
- Fixed issues:
- simrat39/symbols-outline.nvim#143
- simrat39/symbols-outline.nvim#174
- simrat39/symbols-outline.nvim#207
- Feat: when `auto_close=true` only auto close if `goto_location` is used (where
focus changed), and not for `focus_location` (simrat39/symbols-outline.nvim#119)
- Feat: Cursorline option for the outline window
Fixes:
- Fix symbol preview (simrat39/symbols-outline.nvim#176)
- Fix `SymbolsOutlineClose` crashing when already closed: simrat39/symbols-outline.nvim#163
- Support Nerd fonts v3.0: simrat39/symbols-outline.nvim#225
- Fix newlines in symbols crash: simrat39/symbols-outline.nvim#204 (simrat39/symbols-outline.nvim#184)
- Fix `code_actions`: simrat39/symbols-outline.nvim#168 (simrat39/symbols-outline.nvim#123)
- Fix fold all operation too slow: simrat39/symbols-outline.nvim#223 (simrat39/symbols-outline.nvim#224)
### PRs
- Open handler checks if view is not already open
(#235 by eyalz800)
- auto_jump config param
(#229 by stickperson)
- ✅ Update nerd fonts to 3.0
(#225 by anstadnik)
- ✅ fix(folding): optimize fold/unfold all
(#223 by wjdwndud0114)
- ✅ Support markdown setext-style headers
(#222 by msr1k)
- ✅ fix(icons): replace obsolete icons
(#219 by loichyan)
**Superseded by #225**
- ✅ Support ccls symbols
(#218 by rqdmap)
- ✅ fix: replace newlines with spaces in writer
(#204 by tbung)
- ✅ Make close_outline idempotent
(#200 by showermat)
**Superseded by #163**
- Distinguish between public and private function display in Elixir
(#187 by scottming)
- ✅ Fix some options
(#180 by cljoly)
- fix: Invalid buffer id error
(#177 by snowair)
- ✅ fix(code_actions): use the builtin code_action
(#168 by zjp-CN)
- ✅ fix: plugin crashes when SymbolOutlineClose used
(#163 by beauwilliams)
- feat: Add window_bg_highlight to config
(#137 by Zane-)
- Added preview width and relative size
(#130 by Freyskeyd)
- Improve preview, hover windows configurability and looks
(#128 by toppair)
- ✅ Do not close outline when focus_location occurs
(#119 by M1Sports20)
- feat: instant_preview
(#116 by axieax)
- check if code_win is nill
(#110 by i3Cheese)
- Floating window (Draft)
(#101 by druskus20)
### TODO
KEY:
```
- [ ] : Planned
- [/] : WIP
- : Idea
```
Items will be moved to above list when complete.
- Folds
- [ ] Org-like <kbd>shift+tab</kbd> behavior: Open folds level-by-level
- [ ] Optionally not opening all child nodes when opening parent node
- Fold siblings and siblings of parent on startup
- Navigation
- Go to parent
- Cycle siblings
- [ ] simrat39/symbols-outline.nvim#75: Handling of the outline window when attached
buffer is closed.
Maybe it should continue working, so that pressing enter can open a split to
the correct location, and pressing `q` can properly close the buffer.
### Related plugins
- nvim-navic
- nvim-navbuddy
- dropdown.nvim
- treesitter (inspect/edit)
---
# symbols-outline.nvim
**A tree like view for symbols in Neovim using the Language Server Protocol.
Supports all your favourite languages.**
![demo](https://github.com/simrat39/rust-tools-demos/raw/master/symbols-demo.gif)
## Prerequisites
- `neovim 0.7+`
- Properly configured Neovim LSP client
## Installation
Use `hedyhli/symbols-outline.nvim` if you wish to use this fork.
Packer:
```lua
use 'simrat39/symbols-outline.nvim'
```
Lazy:
```lua
{
"simrat39/symbols-outline.nvim",
config = function()
-- Example mapping to toggle outline
vim.keymap.set("n", "<leader>tt", "<cmd>SymbolsOutline<CR>",
{ desc = "SymbolsOutline" })
require("symbols-outline").setup {
-- Your setup opts here (leave empty to use defaults)
}
end,
},
```
Lazy with lazy-loading:
```lua
{
"simrat39/symbols-outline.nvim",
cmd = { "SymbolsOutline", "SymbolsOutlineOpen" },
keys = {
-- Example mapping to toggle outline
{ "<leader>tt", "<cmd>SymbolsOutline<CR>", desc = "Toggle outline window" },
},
opts = {
-- Your setup opts here
},
},
```
This allows Lazy.nvim to lazy load the plugin on commands `SymbolsOutline`,
`SymbolsOutlineOpen`, and your keybindings.
## Setup
Call the setup function with your configuration options.
Note that a call to `.setup()` is *required* for this plugin to work
(simrat39/symbols-outline.nvim#213).
```lua
require("symbols-outline").setup({})
```
## Configuration
Pass a table to the setup call above with your configuration options.
```lua
local opts = {
highlight_hovered_item = true,
show_guides = true,
auto_preview = false,
position = 'right',
relative_width = true,
width = 25,
-- Behaviour changed in this fork:
-- Auto close the outline window if goto_location is triggered and not for
-- focus_location
auto_close = false,
show_numbers = false,
show_relative_numbers = false,
show_cursorline = true,
show_symbol_details = true,
-- Highlight group for the preview background
preview_bg_highlight = 'Pmenu',
autofold_depth = nil,
auto_unfold_hover = true,
fold_markers = { '', '' },
wrap = false,
-- Only in this fork:
-- Whether to focus on the outline window when it is opened.
-- Set to false to remain focus on your previous buffer when opening
-- symbols-outline.
focus_on_open = true,
keymaps = { -- These keymaps can be a string or a table for multiple keys
close = {"<Esc>", "q"},
-- Jump to symbol under cursor
goto_location = "<Cr>",
-- Jump to symbol under cursor but keep focus on outline window
focus_location = "o",
hover_symbol = "<C-space>",
-- Preview symbol under cursor
toggle_preview = "K",
rename_symbol = "r",
code_actions = "a",
-- These fold actions are collapsing tree items, not code folding
fold = "h",
fold_toggle = '<tab>', -- Only in this fork
fold_toggle_all = '<S-tab>', -- Only in this fork
unfold = "l",
fold_all = "W",
unfold_all = "E",
fold_reset = "R",
},
lsp_blacklist = {},
symbol_blacklist = {},
symbols = {
-- Changed in this fork
File = { icon = "󰈔", hl = "@text.uri" },
Module = { icon = "󰆧", hl = "@namespace" },
Namespace = { icon = "󰅪", hl = "@namespace" },
Package = { icon = "󰏗", hl = "@namespace" },
Class = { icon = "𝓒", hl = "@type" },
Method = { icon = "ƒ", hl = "@method" },
Property = { icon = "", hl = "@method" },
Field = { icon = "󰆨", hl = "@field" },
Constructor = { icon = "", hl = "@constructor" },
Enum = { icon = "", hl = "@type" },
Interface = { icon = "󰜰", hl = "@type" },
Function = { icon = "", hl = "@function" },
Variable = { icon = "", hl = "@constant" },
Constant = { icon = "", hl = "@constant" },
String = { icon = "𝓐", hl = "@string" },
Number = { icon = "#", hl = "@number" },
Boolean = { icon = "⊨", hl = "@boolean" },
Array = { icon = "󰅪", hl = "@constant" },
Object = { icon = "⦿", hl = "@type" },
Key = { icon = "🔐", hl = "@type" },
Null = { icon = "NULL", hl = "@type" },
EnumMember = { icon = "", hl = "@field" },
Struct = { icon = "𝓢", hl = "@type" },
Event = { icon = "🗲", hl = "@type" },
Operator = { icon = "+", hl = "@operator" },
TypeParameter = { icon = "𝙏", hl = "@parameter" },
Component = { icon = "󰅴", hl = "@function" },
Fragment = { icon = "󰅴", hl = "@constant" },
-- ccls
TypeAlias = { icon = ' ', hl = '@type' },
Parameter = { icon = ' ', hl = '@parameter' },
StaticMethod = { icon = ' ', hl = '@function' },
Macro = { icon = ' ', hl = '@macro' },
},
}
```
| Property | Description | Type | Default |
| ---------------------- | ------------------------------------------------------------------------------ | ------------------ | ------------------------ |
| highlight_hovered_item | Whether to highlight the currently hovered symbol (high cpu usage) | boolean | true |
| show_guides | Whether to show outline guides | boolean | true |
| position | Where to open the split window | 'right' or 'left' | 'right' |
| relative_width | Whether width of window is set relative to existing windows | boolean | true |
| width | Width of window (as a % or columns based on `relative_width`) | int | 25 |
| auto_close | Whether to automatically close the window after `goto_location` | boolean | false |
| auto_preview | Show a preview of the code on hover | boolean | false |
| show_numbers | Shows numbers with the outline | boolean | false |
| show_relative_numbers | Shows relative numbers with the outline | boolean | false |
| show_symbol_details | Shows extra details with the symbols (lsp dependent) | boolean | true |
| preview_bg_highlight | Background color of the preview window | string | Pmenu |
| winblend | Pseudo-transparency of the preview window | int | 0 |
| keymaps | Which keys do what | table (dictionary) | [here](#default-keymaps) |
| symbols | Icon and highlight config for symbol icons | table (dictionary) | scroll up |
| lsp_blacklist | Which lsp clients to ignore | table (array) | {} |
| symbol_blacklist | Which symbols to ignore ([possible values](./lua/symbols-outline/symbols.lua)) | table (array) | {} |
| autofold_depth | Depth past which nodes will be folded by default | int | nil |
| auto_unfold_hover | Automatically unfold hovered symbol | boolean | true |
| fold_markers | Markers to denote foldable symbol's status | table (array) | { '', '' } |
| wrap | Whether to wrap long lines, or let them flow off the window | boolean | false |
| focus_on_open | Whether to focus cursor on the outline window when opening | boolean | true |
## Commands
| Command | Description |
| ----------------------------- | -------------------------------- |
| `:SymbolsOutline` | Toggle symbols outline |
| `:SymbolsOutlineOpen` | Open symbols outline |
| `:SymbolsOutlineClose` | Close symbols outline |
| `:SymbolsOutlineFocus` | Toggle focus on symbols outline |
| `:SymbolsOutlineFocusOutline` | Focus on symbols outline |
| `:SymbolsOutlineFocusCode` | Focus on source window |
### Lua API
```lua
require'symbols-outline'
```
- setup(opts)
- toggle_outline()
- open_outline()
- close_outline()
- focus_toggle()
- focus_outline()
- focus_code()
## Default keymaps
| Key | Action |
| ---------- | -------------------------------------------------- |
| Escape | Close outline |
| Enter | Go to symbol location in code |
| o | Go to symbol location in code without losing focus |
| Ctrl+Space | Hover current symbol |
| K | Toggles the current symbol preview |
| r | Rename symbol |
| a | Code actions |
| h | fold symbol |
| tab | toggle fold under cursor |
| shift+tab | toggle all folds |
| l | Unfold symbol |
| W | Fold all symbols |
| E | Unfold all symbols |
| R | Reset all folding |
| ? | Show help message |
## Highlights
| Highlight | Purpose |
| ----------------------- | -------------------------------------- |
| FocusedSymbol | Highlight of the focused symbol |
| Pmenu | Highlight of the preview popup windows |
| SymbolsOutlineConnector | Highlight of the table connectors |
| Comment | Highlight of the info virtual text |