aboutsummaryrefslogtreecommitdiff
path: root/lua/startup/utils.lua
blob: 0734a382825d887fa1f357f78664f67c056c629e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
U = {}
-- local colors = require("startup.config").colors
local colors = {
  background = "#1f2227",
  heading_fg = "#009900",
  tools_fg = "#009900",
}

U.cursor_pos = vim.api.nvim_win_get_cursor(0)

function U.spaces(amount)
  return string.rep(" ", amount)
end

function U.default_header()
  local header = {
    "                                          /$$              ",
    "                                         |__/              ",
    " /$$$$$$$   /$$$$$$   /$$$$$$  /$$    /$$ /$$ /$$$$$$/$$$$ ",
    "| $$__  $$ /$$__  $$ /$$__  $$|  $$  /$$/| $$| $$_  $$_  $$",
    "| $$  \\ $$| $$$$$$$$| $$  \\ $$ \\  $$/$$/ | $$| $$ \\ $$ \\ $$",
    "| $$  | $$| $$_____/| $$  | $$  \\  $$$/  | $$| $$ | $$ | $$",
    "| $$  | $$|  $$$$$$$|  $$$$$$/   \\  $/   | $$| $$ | $$ | $$",
    "|__/  |__/ \\_______/ \\______/     \\_/    |__/|__/ |__/ |__/",
  }
  return header
end

function U.get_oldfiles(amount)
  local oldfiles = { " " }
  local oldfiles_raw = vim.fn.execute "oldfiles"
  local oldfiles_amount = 0
  for file in oldfiles_raw:gmatch "[^\n]+" do
    if oldfiles_amount >= amount then
      break
    end
    table.insert(oldfiles, (string.sub(file, 4, -1)))
    oldfiles_amount = oldfiles_amount + 1
  end
  return oldfiles
end

function U.get_oldfiles_directory(amount)
  local oldfiles = { " " }
  local oldfiles_raw = vim.fn.execute "oldfiles"
  local oldfiles_amount = 0
  local directory = vim.api.nvim_exec([[!pwd]], true)
  directory = string.sub(directory, 9, -2)
  for file in oldfiles_raw:gmatch(directory .. "[^\n]+") do
    if oldfiles_amount >= amount then
      break
    end
    table.insert(oldfiles, (string.sub(file, 1, -1)))
    oldfiles_amount = oldfiles_amount + 1
  end
  return oldfiles
end

-- BUG: check if cursor could get out of bounds
function U.reposition_cursor()
  if vim.o.filetype ~= "startup" then
    return
  end
  local column = math.floor(vim.o.columns / 2)
  print "U.cursor_pos:"
  dump(U.cursor_pos)
  local new_cursor_pos = vim.api.nvim_win_get_cursor(0)
  if
    vim.trim(vim.api.nvim_get_current_line()) ~= ""
    and new_cursor_pos[2] == column
  then
    print "returned"
    return
  elseif
    vim.trim(vim.api.nvim_get_current_line()) ~= ""
    and new_cursor_pos[2] > column
    and new_cursor_pos[1] == U.cursor_pos[1]
  then
    local i = 1
    vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] + i, column })
    while vim.trim(vim.api.nvim_get_current_line()) == "" do
      vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] + i, column })
      i = i + 1
    end
  elseif
    vim.trim(vim.api.nvim_get_current_line()) ~= ""
    and new_cursor_pos[2] < column
    and new_cursor_pos[1] == U.cursor_pos[1]
  then
    local i = 1
    vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] - i, column })
    while vim.trim(vim.api.nvim_get_current_line()) == "" do
      vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] - i, column })
      i = i + 1
    end
  elseif
    vim.trim(vim.api.nvim_get_current_line()) == ""
    and new_cursor_pos[1] < U.cursor_pos[1]
  then
    local i = 1
    vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] - i, column })
    while vim.trim(vim.api.nvim_get_current_line()) == "" do
      vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] - i, column })
      i = i + 1
    end
  elseif
    vim.trim(vim.api.nvim_get_current_line()) == ""
    and new_cursor_pos[1] > U.cursor_pos[1]
  then
    local i = 1
    vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] + i, column })
    while vim.trim(vim.api.nvim_get_current_line()) == "" do
      vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] + i, column })
      i = i + 1
    end
  end

  U.cursor_pos = vim.api.nvim_win_get_cursor(0)
  print "new_cursor_pos:"
  dump(new_cursor_pos)
end

function U.longest_line(lines)
  local longest = 0
  for _, line in ipairs(lines) do
    if vim.fn.strdisplaywidth(line) > longest then
      longest = vim.fn.strdisplaywidth(line)
    end
  end
  return longest
end

function U.create_hls()
  vim.cmd("hi StartupHeading guifg=" .. colors.heading_fg)
  vim.cmd("hi StartupTools guifg=" .. colors.tools_fg)
end

function U.set_buf_options()
  vim.api.nvim_buf_set_option(0, "bufhidden", "wipe")
  vim.api.nvim_buf_set_option(0, "buftype", "nofile")
  vim.cmd [[set nowrap]]
  vim.api.nvim_buf_set_option(0, "filetype", "startup")
  vim.api.nvim_buf_set_option(0, "swapfile", false)
  vim.cmd [[setlocal nonu nornu]]
end

return U