mzte-nv: install nvim-lightbulb and create mzte-nv registry

mzte-nv/conf/lua/lsp.fnl

@@ -2,7 +2,9 @@
 (fn on-lsp-attach [args]
   (local buf args.buf)
   (local client (vim.lsp.get_client_by_id args.data.client_id))
-  (when client.server_capabilities.documentHighlightProvider
+  (when (and client.server_capabilities.documentHighlightProvider
+             (not vim.b.mzte_reg_hl_aucmd))
+    (set vim.b.mzte_reg_hl_aucmd true)
     ;; Symbol highlighting
     (vim.api.nvim_create_autocmd :CursorHold
                                  {:buffer buf

mzte-nv/conf/lua/pluginconf/p-catppuccin.fnl

@@ -1,6 +1,12 @@
-(local catppuccin (require :catppuccin))
+(print "catppuccin config")
+(local (mztenv catppuccin palettes)
+       (values (require :mzte_nv) (require :catppuccin)
+               (require :catppuccin.palettes)))
 
-(catppuccin.setup {;; Enable all relevant integrations
+(local flavour :mocha)
+
+(catppuccin.setup {: flavour
+                   ;; Enable all relevant integrations
                    :integrations {:aerial true
                                   :harpoon true
                                   :gitsigns true
@@ -17,3 +23,11 @@
                                   :telescope true}})
 
 (vim.cmd.colorscheme :catppuccin)
+
+;; Optimize this by saving the palette table
+(let [get-palette palettes.get_palette]
+  (set mztenv.reg.catppuccin-palette (get-palette))
+  (set palettes.get_palette
+       (fn [flav]
+         (if (or (not flav) (= flav flavour)) mztenv.reg.catppuccin-palette
+             (get-palette flav)))))

mzte-nv/conf/lua/pluginconf/p-lightbulb.fnl

@@ -0,0 +1,23 @@
+(local lightbulb (require :nvim-lightbulb))
+
+(local ignored-clients [:null-ls])
+
+(lightbulb.setup {:ignore ignored-clients
+                  ;; No gutter sign
+                  :sign {:enabled false}
+                  ;; Status bar text
+                  :status_text {:enabled true :text "󱐌"}})
+
+;; Create update autocmd on LSP attach
+(fn on-lsp-attach [args]
+  (let [buf args.buf
+        client (vim.lsp.get_client_by_id args.data.client_id)]
+    (when (and client.server_capabilities.codeActionProvider
+               (not vim.b.mzte_reg_lighbulb_aucmd)
+               (not (vim.list_contains ignored-clients client.name)))
+      (set vim.b.mzte_reg_lighbulb_aucmd true)
+      (vim.api.nvim_create_autocmd :CursorHold
+                                   {:buffer buf
+                                    :callback lightbulb.update_lightbulb}))))
+
+(vim.api.nvim_create_autocmd :LspAttach {:callback on-lsp-attach})

mzte-nv/conf/lua/pluginconf/p-line.fnl

@@ -1,4 +1,5 @@
-(local lline (require :lualine))
+(local (mztenv lline lightbulb)
+       (values (require :mzte_nv) (require :lualine) (require :nvim-lightbulb)))
 
 (lline.setup {:options {:theme :catppuccin}
               :sections {:lualine_b [:filename :diff]
@@ -6,5 +7,7 @@
               :tabline {:lualine_a [{1 :tabs
                                      ;; show file name
                                      :mode 1}]
-                        :lualine_x [:searchcount]
+                        :lualine_x [:searchcount
+                                    {1 #(lightbulb.get_status_text)
+                                     :color {:fg mztenv.reg.catppuccin-palette.teal}}]
                         :lualine_y [:branch]}})

mzte-nv/conf/lua/plugins.fnl

@@ -38,7 +38,8 @@
   (use {1 :lewis6991/gitsigns.nvim
         :config #((. (require :gitsigns) :setup) {})})
   (use :dag/vim-fish)
-  (use/pconf use :nvim-lualine/lualine.nvim :line)
+  (use/pconf use :nvim-lualine/lualine.nvim :line
+             {:after :catppuccin :requires :lightbulb})
   (use/pconf use :nvim-treesitter/nvim-treesitter :treesitter)
   (use/pconf use :nvim-tree/nvim-web-devicons :devicons)
   (use/pconf use :nvim-tree/nvim-tree.lua :nvimtree
@@ -72,6 +73,7 @@
              {:requires :jose-elias-alvarez/null-ls.nvim})
   (use :nvim-treesitter/playground)
   (use {1 :Olical/conjure :setup (pconf :conjure)})
+  (use/pconf use :kosayoda/nvim-lightbulb :lightbulb)
   (cmp-plugins use))
 
 (packer.startup init)

mzte-nv/src/main.zig

@@ -60,10 +60,27 @@ pub const std_options = struct {
     pub const log_level = .debug;
 };
 
+const reg_key = "mzte-nv-reg";
+
 export fn luaopen_mzte_nv(l_: ?*c.lua_State) c_int {
     const l = l_.?;
     ser.luaPushAny(l, .{
+        .reg = struct {
+            pub fn luaPush(lua: *c.lua_State) void {
+                c.lua_getfield(lua, c.LUA_REGISTRYINDEX, reg_key);
+
+                // registry uninitialized
+                if (c.lua_isnil(lua, -1)) {
+                    c.lua_pop(lua, 1);
+                    c.lua_newtable(lua);
+                    c.lua_pushvalue(lua, -1);
+                    c.lua_setfield(lua, c.LUA_REGISTRYINDEX, reg_key);
+                }
+            }
+        },
+
         .onInit = ffi.luaFunc(lOnInit),
+
         .cmp = modules.cmp,
         .compile = modules.compile,
         .cpbuf = modules.cpbuf,
@@ -80,7 +97,7 @@ fn lOnInit(l: *c.lua_State) !c_int {
     try @import("options.zig").initOptions();
 
     std.log.info(
-        "MZTE-NV v{s} Initialized on NVIM v{s}",
+        "MZTE-NV v{s} Initialized on {s}",
         .{ version, nvim.longVersion },
     );
     return 0;