mzte-nv: add LSP hover highlights

mzte-nv/conf/init.fnl

@@ -3,5 +3,6 @@
 (require :settings)
 (require :plugins)
 (require :maps)
+(require :lsp)
 (require :neovide)
 (require :pipe)

mzte-nv/conf/lua/lsp.fnl

@@ -0,0 +1,20 @@
+;; Hover-Highlights
+(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
+    ;; Symbol highlighting
+    (vim.api.nvim_create_autocmd :CursorHold
+                                 {:callback vim.lsp.buf.document_highlight})
+    (vim.api.nvim_create_autocmd :CursorHoldI
+                                 {:callback vim.lsp.buf.document_highlight})
+    (vim.api.nvim_create_autocmd :CursorMoved
+                                 {:callback vim.lsp.buf.clear_references})))
+
+(vim.api.nvim_create_autocmd :LspAttach {:callback on-lsp-attach})
+
+;; Highlight in bold font
+(local hlgroups [:LspReferenceText :LspReferenceRead :LspReferenceWrite])
+(each [_ hl (ipairs hlgroups)]
+  (vim.api.nvim_set_hl 0 hl {:bold true
+                       :bg "#6272a4"}))

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

@@ -27,6 +27,7 @@
 
 (setup :clangd {:on_attach (fn [c b] (disable-formatter c b)
                              (check-conjure c b))})
+
 (setup :cssls)
 (setup :elixirls {:cmd [:elixir-ls]})
 (setup :eslint)

mzte-nv/conf/lua/settings.fnl

@@ -7,6 +7,9 @@
 
 (cmd "syntax on")
 
+;; Quicker updatetime
+(set opt.updatetime 1000)
+
 ;; Indentation
 (set opt.tabstop 4)
 (set opt.shiftwidth 4)