Feat: Add highlight for mentions (#324)

Feat: Adds hightlight for when Gitlab users are mentioned in comments or notes.

Author: jakubbortlik

after/syntax/gitlab.vim

@@ -2,7 +2,8 @@ if filereadable($VIMRUNTIME . '/syntax/markdown.vim')
   source $VIMRUNTIME/syntax/markdown.vim
 endif
 
-syntax match Username "@\S*"
+syntax match Username "\%([]\)\@<= @\S*"
+syntax match Mention "\%([] \)\@<!@\S*"
 syntax match Date "\v\d+\s+\w+\s+ago"
 syntax match ChevronDown ""
 syntax match ChevronRight ""
@@ -11,6 +12,7 @@ syntax match Unresolved /\s-\s\?/
 syntax match Pencil //
 
 highlight link Username GitlabUsername
+highlight link Mention GitlabMention
 highlight link Date GitlabDate
 highlight link ChevronDown GitlabChevron
 highlight link ChevronRight GitlabChevron

doc/gitlab.nvim.txt

@@ -199,7 +199,7 @@ you call this function with no values the defaults will be used:
         reply = "r", -- Reply to comment
         toggle_node = "t", -- Opens or closes the discussion
         add_emoji = "Ea" -- Add an emoji to the note/comment
-        add_emoji = "Ed" -- Remove an emoji from a note/comment
+        delete_emoji = "Ed" -- Remove an emoji from a note/comment
         toggle_all_discussions = "T", -- Open or close separately both resolved and unresolved discussions
         toggle_resolved_discussions = "R", -- Open or close all resolved discussions
         toggle_unresolved_discussions = "U", -- Open or close all unresolved discussions
@@ -283,11 +283,15 @@ you call this function with no values the defaults will be used:
       colors = {
         discussion_tree = {
           username = "Keyword",
+          mention = "WarningMsg",
           date = "Comment",
           chevron = "DiffviewNonText",
           directory = "Directory",
           directory_icon = "DiffviewFolderSign",
           file_name = "Normal",
+          resolved = "DiagnosticSignOk",
+          unresolved = "DiagnosticSignWarn",
+          draft = "DiffviewNonText",
         }
       }
     })

lua/gitlab/colors.lua

@@ -5,6 +5,7 @@ local colors = state.settings.colors
 local discussion = colors.discussion_tree
 
 vim.api.nvim_set_hl(0, "GitlabUsername", u.get_colors_for_group(discussion.username))
+vim.api.nvim_set_hl(0, "GitlabMention", u.get_colors_for_group(discussion.mention))
 vim.api.nvim_set_hl(0, "GitlabDate", u.get_colors_for_group(discussion.date))
 vim.api.nvim_set_hl(0, "GitlabChevron", u.get_colors_for_group(discussion.chevron))
 vim.api.nvim_set_hl(0, "GitlabDirectory", u.get_colors_for_group(discussion.directory))

lua/gitlab/state.lua

@@ -74,8 +74,10 @@ M.settings = {
     opacity = 1.0,
     edit = nil,
     comment = nil,
+    note = nil,
     help = nil,
     pipeline = nil,
+    reply = nil,
     squash_message = nil,
     temp_registers = {},
   },
@@ -89,9 +91,6 @@ M.settings = {
     edit_comment = "e",
     delete_comment = "dd",
     refresh_data = "a",
-    open_in_browser = "b",
-    copy_node_url = "u",
-    publish_draft = "P",
     reply = "r",
     toggle_node = "t",
     add_emoji = "Ea",
@@ -100,16 +99,19 @@ M.settings = {
     toggle_resolved_discussions = "R",
     toggle_unresolved_discussions = "U",
     keep_current_open = false,
+    publish_draft = "P",
     toggle_resolved = "p",
-    relative = "editor",
     position = "left",
+    open_in_browser = "b",
+    copy_node_url = "u",
     size = "20%",
+    relative = "editor",
     resolved = "✓",
     unresolved = "-",
     tree_type = "simple",
     toggle_tree_type = "i",
-    toggle_draft_mode = "D",
     draft_mode = false,
+    toggle_draft_mode = "D",
   },
   create_mr = {
     target = nil,
@@ -154,12 +156,12 @@ M.settings = {
     severity = vim.diagnostic.severity.INFO,
     virtual_text = false,
     use_diagnostic_signs = true,
+    priority = 100,
     icons = {
       comment = "→|",
       range = " |",
     },
     skip_old_revision_discussion = false,
-    priority = 100,
   },
   pipeline = {
     created = "",
@@ -177,6 +179,7 @@ M.settings = {
   colors = {
     discussion_tree = {
       username = "Keyword",
+      mention = "WarningMsg",
       date = "Comment",
       chevron = "DiffviewNonText",
       directory = "Directory",