feat(utils): add user mapping to help

1 files changed, 42 insertions, 9 deletions

diff --git a/lua/startup/utils.lua b/lua/startup/utils.lua
index 050df57..0dd6b3b 100644
--- a/lua/startup/utils.lua
+++ b/lua/startup/utils.lua
@@ -76,36 +76,63 @@ function U.empty(amount)
   end
 end
 
+local function parse_mapping(mapping)
+  mapping = string.gsub(mapping, "C%-", "ctrl+")
+  mapping = string.gsub(mapping, "c%-", "ctrl+")
+  mapping = string.gsub(mapping, "%<leader%>","leader+")
+  mapping = string.gsub(mapping, "%<(.+)%>", "%1")
+  return mapping
+end
+
 ---open float with all the keybindings
 function U.key_help()
   local ns = vim.api.nvim_create_namespace("Float help")
   local settings = require("startup").settings
   local buf = vim.api.nvim_create_buf(false, true)
+  local user_mappings = require"startup".user_mappings
   set_buf_opt(buf, "bufhidden", "wipe")
   local lines = {
     "    Startup.nvim Mappings    ",
     "",
-    " Execute command:    " .. settings.mappings.execute_command,
-    " Open file:          " .. settings.mappings.open_file,
-    " Open file in split: " .. settings.mappings.open_file_split,
-    " Open section:       " .. settings.mappings.open_section,
-    "",
+    "    Execute command:    " .. parse_mapping(settings.mappings.execute_command) ,
+    "    Open file:          " .. parse_mapping(settings.mappings.open_file) ,
+    "    Open file in split: " .. parse_mapping(settings.mappings.open_file_split) ,
+    "    Open section:       " .. parse_mapping(settings.mappings.open_section) ,
   }
+  if not vim.tbl_isempty(user_mappings) then
+    table.insert(lines,"")
+    table.insert(lines,"   User Mappings:")
+    table.insert(lines,"")
+    for rhs, lhs in pairs(user_mappings) do
+      table.insert(lines,"    "..lhs..":"..U.spaces(35-#lhs)..parse_mapping(rhs))
+    end
+  end
   vim.api.nvim_buf_set_lines(buf, 0, -1, false, lines)
+  local height = 6
+  if not vim.tbl_isempty(user_mappings) then
+    height = 9+vim.tbl_count(user_mappings)
+  end
   help_window = vim.api.nvim_open_win(buf, false, {
     relative = "cursor",
-    width = 30,
-    height = 6,
+    width = 55,
+    height = height,
     col = 0,
     row = 1,
     border = "shadow",
     style = "minimal",
   })
+  if not vim.tbl_isempty(user_mappings) then
+    vim.api.nvim_buf_add_highlight(buf, ns, "Special", 7, 1, -1)
+    for i = 9, 9+vim.tbl_count(user_mappings), 1 do
+      vim.api.nvim_buf_add_highlight(buf, ns, "String", i, 36, -1)
+      vim.api.nvim_buf_add_highlight(buf, ns, "Number", i, 1, 35)
+    end
+  end
   vim.api.nvim_win_set_option(help_window, "winblend", 20)
   vim.api.nvim_buf_add_highlight(buf, ns, "Special", 0, 1, -1)
   for i = 2, 5, 1 do
-    vim.api.nvim_buf_add_highlight(buf, ns, "String", i, 21, -1)
-    vim.api.nvim_buf_add_highlight(buf, ns, "Number", i, 1, 20)
+    vim.api.nvim_buf_add_highlight(buf, ns, "String", i, 24, -1)
+    vim.api.nvim_buf_add_highlight(buf, ns, "Number", i, 1, 23)
   end
   set_buf_opt(buf, "modifiable", false)
   vim.cmd(
@@ -321,6 +348,8 @@ end
 ---set all the options that should be set for the startup buffer
 function U.set_buf_options()
   local settings = require("startup").settings
+  local last_status = vim.api.nvim_get_option("laststatus")
+  local tab_line = vim.api.nvim_get_option("showtabline")
   set_buf_opt(0, "bufhidden", "wipe")
   set_buf_opt(0, "buftype", "nofile")
   vim.cmd([[set wrap]])
@@ -333,6 +362,10 @@ function U.set_buf_options()
   set_buf_opt(0, "filetype", "startup")
   set_buf_opt(0, "swapfile", false)
   vim.cmd([[setlocal nonu nornu]])
+  vim.api.nvim_set_current_dir(
+    vim.fn.fnamemodify(vim.api.nvim_buf_get_name(0), ':h')
+  )
+  vim.cmd([[autocmd BufEnter * lua if vim.opt.filetype~="startup" then vim.opt.laststatus=]]..last_status..[[;vim.opt.showtabline=]]..tab_line..[[ end]])
 end
 
 ---validate the settings