plugin/lsp: add lspsaga plugin

flake.lock

@@ -17,6 +17,23 @@
         "type": "github"
       }
     },
+    "lspsaga-nvim": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1663371685,
+        "narHash": "sha256-mxyqpgUWBiXC6Xm/5bb6fShZtgXGY1kBsl0DxOkf2zA=",
+        "owner": "glepnir",
+        "repo": "lspsaga.nvim",
+        "rev": "c2ef0115fb917460daf5c76fe3ad3a9357213b54",
+        "type": "github"
+      },
+      "original": {
+        "owner": "glepnir",
+        "repo": "lspsaga.nvim",
+        "rev": "c2ef0115fb917460daf5c76fe3ad3a9357213b54",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1663146586,
@@ -36,6 +53,7 @@
     "root": {
       "inputs": {
         "editorconfig-nvim": "editorconfig-nvim",
+        "lspsaga-nvim": "lspsaga-nvim",
         "nixpkgs": "nixpkgs",
         "tabby-nvim": "tabby-nvim",
         "telescope-live-grep-args-nvim": "telescope-live-grep-args-nvim",

flake.nix

@@ -17,6 +17,11 @@
       url = "github:nvim-telescope/telescope-live-grep-args.nvim?rev=32b633b062d1168a2d18ad27994e5b4ef97f0a74";
       flake = false;
     };
+
+    lspsaga-nvim = {
+      url = "github:glepnir/lspsaga.nvim?rev=c2ef0115fb917460daf5c76fe3ad3a9357213b54";
+      flake = false;
+    };
   };
 
   outputs = inputs @ { self, nixpkgs, utils, ... }:
@@ -40,6 +45,10 @@
                   name = "telescope-live-grep-args-nvim";
                   src = inputs.telescope-live-grep-args-nvim;
                 };
+                lspsaga-nvim = p.vimUtils.buildVimPluginFrom2Nix {
+                  name = "lspsaga-nvim";
+                  src = inputs.lspsaga-nvim;
+                };
               };
             })
           ];

plugins/lsp/default.nix

@@ -1,16 +1,26 @@
-{ nvim-lspconfig, luasnip, nvim-cmp, cmp-nvim-lsp, cmp_luasnip, ... }:
-
-{
-  luaConfig = (builtins.readFile ./lspconfig.lua)
-    + (builtins.readFile ./nvim-cmp.lua);
-
-  plugins = [
-    nvim-lspconfig # Collection of configurations for built-in LSP client
-
-    luasnip # Snippets plugin
+{ nvim-lspconfig
+, lspsaga-nvim
+, luasnip
+, nvim-cmp
+, cmp-nvim-lsp
+, cmp_luasnip
+, ...
+}:
 
+let
+  lsp = [ nvim-lspconfig lspsaga-nvim ];
+  snippets = [ luasnip ];
+  completions = [
     nvim-cmp # Autocompletion
     cmp-nvim-lsp # LSP source for nvim-cmp
     cmp_luasnip # Snippets source for nvim-cmp
   ];
+in
+{
+  luaConfig = (builtins.readFile ./lspconfig.lua)
+    + (builtins.readFile ./nvim-cmp.lua);
+
+  plugins = lsp
+    ++ snippets
+    ++ completions;
 }

plugins/lsp/lspconfig.lua

@@ -1,4 +1,14 @@
 local lsp_config = require("lspconfig")
+local saga = require("lspsaga")
+
+-- See: https://github.com/glepnir/lspsaga.nvim#configuration
+saga.init_lsp_saga({
+	border_style = "rounded",
+	code_action_lightbulb = { enable = false },
+	code_action_keys = { quit = "<Esc>" },
+	definition_action_keys = { quit = "<Esc>" },
+	rename_action_quit = "<Esc>",
+})
 
 -- always show signcolumns
 vim.opt.signcolumn = "yes"
@@ -7,10 +17,18 @@ vim.opt.signcolumn = "yes"
 -- See `:help vim.diagnostic.*` for documentation on any of the below functions
 local opts = { noremap = true, silent = true }
 vim.keymap.set("n", "<space>e", vim.diagnostic.open_float, opts)
-vim.keymap.set("n", "[c", vim.diagnostic.goto_prev, opts)
-vim.keymap.set("n", "]c", vim.diagnostic.goto_next, opts)
+vim.keymap.set("n", "[c", "<Cmd>Lspsaga diagnostic_jump_prev<CR>", opts)
+vim.keymap.set("n", "]c", "<Cmd>Lspsaga diagnostic_jump_next<CR>", opts)
 vim.keymap.set("n", "<space>q", vim.diagnostic.setloclist, opts)
 
+-- Only jump to error
+vim.keymap.set("n", "[e", function()
+	require("lspsaga.diagnostic").goto_prev({ severity = vim.diagnostic.severity.ERROR })
+end, opts)
+vim.keymap.set("n", "]e", function()
+	require("lspsaga.diagnostic").goto_next({ severity = vim.diagnostic.severity.ERROR })
+end, opts)
+
 -- Use an on_attach function to only map the following keys
 -- after the language server attaches to the current buffer
 local on_attach = function(client, bufnr)
@@ -25,16 +43,12 @@ local on_attach = function(client, bufnr)
 	vim.keymap.set("n", "gy", vim.lsp.buf.type_definition, bufopts)
 	vim.keymap.set("n", "gr", vim.lsp.buf.references, bufopts)
 	vim.keymap.set("n", "gi", vim.lsp.buf.implementation, bufopts)
-	vim.keymap.set("n", "K", vim.lsp.buf.hover, bufopts)
 	vim.keymap.set("n", "<C-k>", vim.lsp.buf.signature_help, bufopts)
-	vim.keymap.set("n", "<space>wa", vim.lsp.buf.add_workspace_folder, bufopts)
-	vim.keymap.set("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, bufopts)
-	vim.keymap.set("n", "<space>wl", function()
-		print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
-	end, bufopts)
-	vim.keymap.set("n", "<localleader>n", vim.lsp.buf.rename, bufopts)
-	vim.keymap.set("n", "<localleader>a", vim.lsp.buf.code_action, bufopts)
-	vim.keymap.set("n", "<localleader>f", vim.lsp.buf.formatting, bufopts)
+	--vim.keymap.set("n", "<localleader>f", vim.lsp.buf.formatting, bufopts)
+	vim.keymap.set("n", "<localleader>n", "<Cmd>Lspsaga rename<CR>", bufopts)
+	vim.keymap.set({ "n", "v" }, "<localleader>a", "<Cmd>Lspsaga code_action<CR>", bufopts)
+	vim.keymap.set("n", "K", "<Cmd>Lspsaga hover_doc<CR>", bufopts)
+	vim.keymap.set("n", "co", "<Cmd>LSoutlineToggle<CR>", bufopts)
 end
 
 -- nvim-cmp