added clangd file status integration

README.md

@@ -245,6 +245,27 @@ Available options are shown below:
     ["xcodebuild-nvim"] = {
       enable = true,              -- Integrate with wojciech-kulik/xcodebuild.nvim (if installed)
     },
+    ["clangd"] = {
+      --- Integrate with clangd LSP clangdFileStatus
+      --- Show clangd parsing progress
+      --- init_options.clangdFileStatus = true must be set in clangd LSP config
+      --- Example using lspconfig:
+      --- lspconfig.clangd.setup {
+      ---   init_options = {
+      ---     clangdFileStatus = true
+      ---   }
+      --- }
+      --- Note: if enabled, vim.lsp.handlers["textDocument/clangd.fileStatus"] will be hooked
+      --- You can use the handler of this sub module directly
+      enable = false,
+
+      --- Do not show notification if clangd isn't busy
+      --- for more than this number of ms
+      notification_delay = 500,
+
+      --- Annotation string shown next to the message
+      annote = "clangd",
+    },
   },
 
   -- Options related to logging

doc/fidget.txt

@@ -199,6 +199,27 @@ Available options are shown below:
         ["xcodebuild-nvim"] = {
           enable = true,              -- Integrate with wojciech-kulik/xcodebuild.nvim (if installed)
         },
+        ["clangd"] = {
+          --- Integrate with clangd LSP clangdFileStatus
+          --- Show clangd parsing progress
+          --- init_options.clangdFileStatus = true must be set in clangd LSP config
+          --- Example using lspconfig:
+          --- lspconfig.clangd.setup {
+          ---   init_options = {
+          ---     clangdFileStatus = true
+          ---   }
+          --- }
+          --- Note: if enabled, vim.lsp.handlers["textDocument/clangd.fileStatus"] will be hooked
+          --- You can use the handler of this sub module directly
+          enable = false,
+
+          --- Do not show notification if clangd isn't busy
+          --- for more than this number of ms
+          notification_delay = 500,
+
+          --- Annotation string shown next to the message
+          annote = "clangd",
+        },
       },
 
       -- Options related to logging

lua/fidget/integration.lua

@@ -3,6 +3,7 @@ local M = {}
 M.options = {
   ["nvim-tree"] = require("fidget.integration.nvim-tree"),
   ["xcodebuild-nvim"] = require("fidget.integration.xcodebuild-nvim"),
+  ["clangd"] = require("fidget.integration.clangd"),
 }
 
 require("fidget.options").declare(M, "integration", M.options)

lua/fidget/integration/clangd.lua

@@ -0,0 +1,106 @@
+local M = {}
+
+---@options integration.clangd [[
+--- clangd integration
+M.options = {
+  --- Integrate with clangd LSP clangdFileStatus
+  --- Show clangd parsing progress
+  --- init_options.clangdFileStatus = true must be set in clangd LSP config
+  --- Example using lspconfig:
+  --- lspconfig.clangd.setup {
+  ---   init_options = {
+  ---     clangdFileStatus = true
+  ---   }
+  --- }
+  --- Note: if enabled, vim.lsp.handlers["textDocument/clangd.fileStatus"] will be hooked
+  --- You can use the handler of this sub module directly
+  ---@type boolean
+  enable = false,
+
+  --- Do not show notification if clangd isn't busy
+  --- for more than this number of ms
+  ---@type integer
+  notification_delay = 500,
+
+  --- Annotation string shown next to the message
+  ---@type string
+  annote = "clangd",
+}
+
+local notify = require"fidget.notification".notify
+local file_status = {}
+local function stop_timer(status)
+  if status.timer then
+    status.timer:stop()
+    status.timer:close()
+    status.timer = nil
+  end
+end
+
+M.handler = function(err, result, ctx, config)
+  if not result.state then return end
+  local key = result.uri
+  local message = result.state
+  local opts = {
+    key = key,
+    group = "clangd.fileStatus",
+    annote = M.options.annote,
+    ttl = math.huge,
+  }
+
+  if not file_status[key] then
+    file_status[key] = {
+      message = message,
+      complete = false,
+      timer = nil,
+      busy = false,
+    }
+  end
+  local status = file_status[key]
+  status.message = message
+
+  if message == "idle" then
+    stop_timer(status)
+    status.complete = true
+    if not status.busy then
+      -- no notification displayed
+      status.busy = false
+      return
+    end
+    -- update notification
+    status.busy = false
+    message = "Completed"
+    opts.ttl = 0
+    notify(message, vim.log.levels.INFO, opts)
+    return
+  end
+
+  status.complete = false
+  if M.options.notification_delay == 0 then
+    status.busy = true
+  end
+
+  if status.busy then
+    notify(message, vim.log.levels.INFO, opts)
+  elseif not status.timer then
+    status.timer = vim.uv.new_timer()
+    status.timer:start(M.options.notification_delay, 0, function()
+      vim.schedule(function()
+        stop_timer(status)
+        if not status.complete then
+          status.busy = true
+          notify(status.message, vim.log.levels.INFO, opts)
+        end
+      end)
+    end)
+  end
+end
+
+require("fidget.options").declare(M, "integration.clangd", M.options, function()
+  if not M.options.enable then
+    return
+  end
+  vim.lsp.handlers["textDocument/clangd.fileStatus"] = M.handler
+end)
+
+return M