1 files changed, 142 insertions, 0 deletions
diff --git a/pkgs/custom-neovim/config/lua/winbar.lua b/pkgs/custom-neovim/config/lua/winbar.lua
new file mode 100644
index 0000000..ba02e1c
--- /dev/null
+++ b/pkgs/custom-neovim/config/lua/winbar.lua
@@ -0,0 +1,142 @@
+-- Custom Winbar
+
+-- Wherher to use icons.
+local use_icons = true
+
+-- Utility functions for components.
+local utils = {}
+
+-- The width of the winbar.
+utils.linewidth = function ()
+  return vim.api.nvim_win_get_width(0)
+end
+
+utils.component_takes_percentage = function (comp_width, percentage)
+  return comp_width > (percentage/100) * utils.linewidth()
+end
+
+-- Highlighting Shortcut
+local hi_pattern = '%%#%s#%s%%*'
+
+-- Define Components
+local components = {}
+
+-- Filename component
+components.filename = function (args)
+  args = args or {}
+  local before = args.before or ""
+  local after = args.after or ""
+
+  return before.."%f %m"..after
+end
+
+-- Git status component
+components.git_status = function (args)
+  args = args or {}
+  local before = args.before or ""
+  local after = args.after or ""
+
+  if not vim.b.minidiff_summary then return "" end
+
+  local summary = vim.b.minidiff_summary
+
+  local status = {}
+
+  local add_icon = use_icons and " " or "+"
+  local change_icon = use_icons and " " or "~"
+  local delete_icon = use_icons and " " or "-"
+
+  if (summary.add or 0) > 0 then
+    table.insert(status, hi_pattern:format("Added", ("%s%s"):format(add_icon, summary.add)))
+  end
+  if (summary.change or 0) > 0 then
+    table.insert(status, hi_pattern:format("Changed", ("%s%s"):format(change_icon, summary.change)))
+  end
+  if (summary.delete or 0) > 0 then
+    table.insert(status, hi_pattern:format("Removed", ("%s%s"):format(delete_icon, summary.delete)))
+  end
+
+  return before..table.concat(status, " ")..after
+end
+
+-- Diagnostics component
+components.diagnostics = function (args)
+  args = args or {}
+  local before = args.before or ""
+  local after = args.after or ""
+
+  -- Define icons
+  local error_icon = use_icons and " " or "E"
+  local warning_icon = use_icons and " " or "W"
+  local info_icon = use_icons and " " or "I"
+  local hint_icon = use_icons and " " or "H"
+
+  -- Create empty diagnostics table
+  local diagnostics = {}
+
+  -- Count diagnostics
+  local errors = #vim.diagnostic.get(0, { severity = 1 })
+
+  if errors > 0 then
+    table.insert(diagnostics, hi_pattern:format("DiagnosticSignError", ("%s%s"):format(error_icon, errors)))
+  end
+
+  local warnings = #vim.diagnostic.get(0, { severity = 2 })
+
+  if warnings > 0 then
+    table.insert(diagnostics, hi_pattern:format("DiagnosticSignWarn", ("%s%s"):format(warning_icon, warnings)))
+  end
+
+  local infos = #vim.diagnostic.get(0, { severity = 3 })
+
+  if infos > 0 then
+    table.insert(diagnostics, hi_pattern:format("DiagnosticSignInfo", ("%s%s"):format(info_icon, infos)))
+  end
+
+  local hints = #vim.diagnostic.get(0, { severity = 4 })
+
+  if hints > 0 then
+    table.insert(diagnostics, hi_pattern:format("DiagnosticSignHint", ("%s%s"):format(hint_icon, hints)))
+  end
+
+  -- Don't show diagnostics in insert mode.
+  if vim.api.nvim_get_mode().mode:find "i" then
+    return ""
+  end
+
+  local icon = use_icons and '' or 'diag: '
+
+  local status = hi_pattern:format("Statusline", table.concat(diagnostics, " "))
+
+  return before..icon..status..after
+end
+
+-- Define winbar
+local winbar = function ()
+  return {
+    components.filename({before = " "}),
+    components.git_status(),
+    components.diagnostics(),
+  }
+end
+
+-- Gaps between components.
+local gaps = " "
+
+-- Process and apply statusline.
+Winbar_builder = function ()
+  --get a table of all the winbar strings
+  local winbar_strings = winbar()
+
+  -- Remove empty strings to prevent concat issues
+  for i = #winbar_strings, 1, -1 do
+    if winbar_strings[i] == "" then
+      table.remove(winbar_strings, i)
+    end
+  end
+
+  -- Concatentate strings with gaps
+  return table.concat(winbar_strings, gaps)
+end
+
+vim.o.winbar = "%{%v:lua.Winbar_builder()%}"