126 lines
2.5 KiB
Lua
126 lines
2.5 KiB
Lua
local direction_map = {
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left = "h",
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right = "l",
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up = "k",
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down = "j",
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}
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local runtime_dir = os.getenv("XDG_RUNTIME_DIR") or "/tmp"
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local function sanitize(value)
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return value:gsub("[^%w_.-]", "_")
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end
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local function get_hyprland_stable_id()
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local handle = io.popen("hyprctl activewindow -j 2>/dev/null")
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if not handle then
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return "unknown"
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end
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local data = handle:read("*a")
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handle:close()
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local ok, json = pcall(vim.json.decode, data)
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if ok and json and json.stableId then
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return tostring(json.stableId)
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end
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return "unknown"
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end
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local function get_socket_path()
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local pane_id = vim.env.HERDR_PANE_ID
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if pane_id and pane_id ~= "" then
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return string.format(
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"%s/nvim-hypr-nav-pane-%s.sock",
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runtime_dir,
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sanitize(pane_id)
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)
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end
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return string.format(
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"%s/nvim-hypr-nav-%s.sock",
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runtime_dir,
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get_hyprland_stable_id()
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)
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end
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local socket_path = get_socket_path()
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local server = vim.uv.new_pipe(false)
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local function reply(connection, response)
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local ok = pcall(function()
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connection:write(response, function()
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pcall(function()
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connection:close()
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end)
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end)
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end)
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if not ok then
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pcall(function()
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connection:close()
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end)
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end
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end
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-- Normally unnecessary because Herdr sockets contain the process ID, but it
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-- also cleans up an ungracefully terminated direct-Neovim instance if the PID
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-- happened to be reused.
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vim.uv.fs_unlink(socket_path)
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server:bind(socket_path)
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server:listen(128, function(err)
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if err then
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vim.schedule(function()
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vim.notify("hypr-nav: " .. err, vim.log.levels.ERROR)
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end)
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return
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end
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local connection = vim.uv.new_pipe(false)
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server:accept(connection)
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connection:read_start(function(read_err, data)
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if read_err or not data then
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pcall(function()
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connection:close()
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end)
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return
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end
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local direction = data:match("nav:(%a+)")
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if not direction or not direction_map[direction] then
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reply(connection, "invalid\n")
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return
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end
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vim.schedule(function()
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local before = vim.api.nvim_get_current_win()
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vim.cmd("wincmd " .. direction_map[direction])
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local after = vim.api.nvim_get_current_win()
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local response = before == after and "failed\n" or "success\n"
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reply(connection, response)
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end)
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end)
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end)
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vim.api.nvim_create_autocmd("VimLeavePre", {
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once = true,
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callback = function()
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pcall(function()
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server:close()
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end)
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vim.uv.fs_unlink(socket_path)
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end,
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})
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