tomas.mirchev/nvim-tree.lua
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feat: help closes on <Esc> and api.tree.toggle_help mappings (#2909)

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* feat: help closes on <Esc> and api.tree.toggle_help mappings

* feat: help closes on <Esc> and api.tree.toggle_help mappings
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Alexander Courtis 2024-09-14 12:24:07 +10:00 committed by GitHub
parent d41b4ca013
commit b652dbd0e0
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1 changed files with 23 additions and 7 deletions
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30
lua/nvim-tree/help.lua
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@ -1,4 +1,5 @@
local keymap = require "nvim-tree.keymap"
local api = {} -- circular dependency
local PAT_MOUSE = "^<.*Mouse"
local PAT_CTRL = "^<C%-"
@ -79,18 +80,19 @@ local function sort_lhs(a, b)
end
--- Compute all lines for the buffer
---@param map table keymap.get_keymap
---@return table strings of text
---@return table arrays of arguments 3-6 for nvim_buf_add_highlight()
---@return number maximum length of text
local function compute()
local function compute(map)
local head_lhs = "nvim-tree mappings"
local head_rhs1 = "exit: q"
local head_rhs2 = string.format("sort by %s: s", M.config.sort_by == "key" and "description" or "keymap")
-- formatted lhs and desc from active keymap
local mappings = vim.tbl_map(function(map)
return { lhs = tidy_lhs(map.lhs), desc = tidy_desc(map.desc) }
end, keymap.get_keymap())
local mappings = vim.tbl_map(function(m)
return { lhs = tidy_lhs(m.lhs), desc = tidy_desc(m.desc) }
end, map)
-- sorter function for mappings
local sort_fn
@ -165,8 +167,11 @@ local function open()
-- close existing, shouldn't be necessary
close()
-- fetch all mappings
local map = keymap.get_keymap()
-- text and highlight
local lines, hl, width = compute()
local lines, hl, width = compute(map)
-- create the buffer
M.bufnr = vim.api.nvim_create_buf(false, true)
@ -206,12 +211,21 @@ local function open()
open()
end
local keymaps = {
-- hardcoded
local help_keymaps = {
q = { fn = close, desc = "nvim-tree: exit help" },
["<Esc>"] = { fn = close, desc = "nvim-tree: exit help" }, -- hidden
s = { fn = toggle_sort, desc = "nvim-tree: toggle sorting method" },
}
for k, v in pairs(keymaps) do
-- api help binding closes
for _, m in ipairs(map) do
if m.callback == api.tree.toggle_help then
help_keymaps[m.lhs] = { fn = close, desc = "nvim-tree: exit help" }
end
end
for k, v in pairs(help_keymaps) do
vim.keymap.set("n", k, v.fn, {
desc = v.desc,
buffer = M.bufnr,
@ -240,6 +254,8 @@ end
function M.setup(opts)
M.config.cursorline = opts.view.cursorline
M.config.sort_by = opts.help.sort_by
api = require "nvim-tree.api"
end
return M