61 lines
1.4 KiB
Lua
61 lines
1.4 KiB
Lua
local util = require("oil.util")
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local M = {}
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local timers = {}
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local FPS = 20
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M.is_loading = function(bufnr)
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return timers[bufnr] ~= nil
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end
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M.get_bar_iter = function(opts)
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opts = vim.tbl_deep_extend("keep", opts or {}, {
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bar_size = 3,
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width = 20,
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})
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local i = 0
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return function()
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local chars = { "[" }
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for _ = 1, opts.width - 2 do
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table.insert(chars, " ")
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end
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table.insert(chars, "]")
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for j = i - opts.bar_size, i do
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if j > 1 and j < opts.width then
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chars[j] = "="
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end
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end
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i = (i + 1) % (opts.width + opts.bar_size)
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return table.concat(chars, "")
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end
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end
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M.set_loading = function(bufnr, is_loading)
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if is_loading then
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if timers[bufnr] == nil then
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local width = 20
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timers[bufnr] = vim.loop.new_timer()
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local bar_iter = M.get_bar_iter({ width = width })
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timers[bufnr]:start(
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100, -- Delay the loading screen just a bit to avoid flicker
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math.floor(1000 / FPS),
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vim.schedule_wrap(function()
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if not vim.api.nvim_buf_is_valid(bufnr) or not timers[bufnr] then
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M.set_loading(bufnr, false)
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return
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end
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local lines = { util.lpad("Loading", math.floor(width / 2) - 3), bar_iter() }
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util.render_text(bufnr, lines)
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end)
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)
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end
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elseif timers[bufnr] then
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timers[bufnr]:close()
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timers[bufnr] = nil
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end
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end
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return M
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