fba97517bb
ref: `:h getwininfo()` Signed-off-by: Sabu Siyad <hello@ssiyad.com> Signed-off-by: Sabu Siyad <hello@ssiyad.com>
114 lines
2.7 KiB
Lua
114 lines
2.7 KiB
Lua
local M = {}
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local api = vim.api
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local fn = vim.fn
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local utils = require "nvim-tree.utils"
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local function hide(win)
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if win then
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if api.nvim_win_is_valid(win) then
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api.nvim_win_close(win, true)
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end
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end
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end
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-- reduce signcolumn/foldcolumn from window width
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local function effective_win_width()
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local win_width = fn.winwidth(0)
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-- return zero if the window cannot be found
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local win_id = fn.win_getid()
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if win_id == 0 then
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return win_width
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end
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-- if the window does not exist the result is an empty list
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local win_info = fn.getwininfo(win_id)
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-- check if result table is empty
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if next(win_info) == nil then
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return win_width
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end
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return win_width - win_info[1].textoff
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end
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local function show()
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local line_nr = api.nvim_win_get_cursor(0)[1]
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if line_nr == 1 and require("nvim-tree.view").is_root_folder_visible() then
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return
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end
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if vim.wo.wrap then
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return
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end
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-- only work for left tree
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if vim.api.nvim_win_get_position(0)[2] ~= 0 then
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return
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end
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local line = fn.getline "."
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local leftcol = fn.winsaveview().leftcol
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-- hide full name if left column of node in nvim-tree win is not zero
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if leftcol ~= 0 then
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return
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end
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local text_width = fn.strdisplaywidth(fn.substitute(line, "[^[:print:]]*$", "", "g"))
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local win_width = effective_win_width()
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if text_width < win_width then
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return
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end
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M.popup_win = api.nvim_open_win(api.nvim_create_buf(false, false), false, {
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relative = "win",
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bufpos = { fn.line "." - 2, 0 },
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width = math.min(text_width, vim.o.columns - 2),
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height = 1,
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noautocmd = true,
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style = "minimal",
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})
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local ns_id = api.nvim_get_namespaces()["NvimTreeHighlights"]
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local extmarks = api.nvim_buf_get_extmarks(0, ns_id, { line_nr - 1, 0 }, { line_nr - 1, -1 }, { details = 1 })
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api.nvim_win_call(M.popup_win, function()
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fn.setbufline("%", 1, line)
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for _, extmark in ipairs(extmarks) do
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local hl = extmark[4]
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api.nvim_buf_add_highlight(0, ns_id, hl.hl_group, 0, extmark[3], hl.end_col)
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end
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vim.cmd [[ setlocal nowrap cursorline noswapfile nobuflisted buftype=nofile bufhidden=hide ]]
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end)
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end
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M.setup = function(opts)
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M.config = opts.renderer
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if not M.config.full_name then
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return
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end
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local group = api.nvim_create_augroup("nvim_tree_floating_node", { clear = true })
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api.nvim_create_autocmd({ "BufLeave", "CursorMoved" }, {
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group = group,
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pattern = { "NvimTree_*" },
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callback = function()
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if utils.is_nvim_tree_buf(0) then
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hide(M.popup_win)
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end
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end,
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})
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api.nvim_create_autocmd({ "CursorMoved" }, {
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group = group,
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pattern = { "NvimTree_*" },
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callback = function()
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if utils.is_nvim_tree_buf(0) then
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show()
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end
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end,
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})
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end
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return M
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