From ba29e7305b4b2256fb87f46c4a5bb9e87f54d0c3 Mon Sep 17 00:00:00 2001
From: LordMZTE <lord@mzte.de>
Date: Sat, 22 Apr 2023 17:26:08 +0200
Subject: [PATCH] mzte-nv: add LSP hover highlights

---
 mzte-nv/conf/init.fnl                     |  1 +
 mzte-nv/conf/lua/lsp.fnl                  | 20 ++++++++++++++++++++
 mzte-nv/conf/lua/pluginconf/p-lspconf.fnl |  1 +
 mzte-nv/conf/lua/settings.fnl             |  3 +++
 4 files changed, 25 insertions(+)
 create mode 100644 mzte-nv/conf/lua/lsp.fnl

diff --git a/mzte-nv/conf/init.fnl b/mzte-nv/conf/init.fnl
index 94a193a..b6c0e88 100644
--- a/mzte-nv/conf/init.fnl
+++ b/mzte-nv/conf/init.fnl
@@ -3,5 +3,6 @@
 (require :settings)
 (require :plugins)
 (require :maps)
+(require :lsp)
 (require :neovide)
 (require :pipe)
diff --git a/mzte-nv/conf/lua/lsp.fnl b/mzte-nv/conf/lua/lsp.fnl
new file mode 100644
index 0000000..8287cf9
--- /dev/null
+++ b/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"}))
diff --git a/mzte-nv/conf/lua/pluginconf/p-lspconf.fnl b/mzte-nv/conf/lua/pluginconf/p-lspconf.fnl
index 3023a38..f73e571 100644
--- a/mzte-nv/conf/lua/pluginconf/p-lspconf.fnl
+++ b/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)
diff --git a/mzte-nv/conf/lua/settings.fnl b/mzte-nv/conf/lua/settings.fnl
index 653379c..07b7078 100644
--- a/mzte-nv/conf/lua/settings.fnl
+++ b/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)