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feat: Place fortune in a box #273

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feat: Place fortune in a box #273

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27 changes: 21 additions & 6 deletions lua/alpha/fortune.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,12 @@ local list_extend = vim.list_extend
--- @param max_width number
--- @return table
local format_line = function(line, max_width)
local bufstart = "│ "
local bufend = "│ "

if line == "" then
return { " " }
return { bufstart .. string.rep(" ", max_width - 3) .. bufend }
-- return { " " }
end

local formatted_line = {}
Expand All @@ -28,27 +32,32 @@ local format_line = function(line, max_width)
table.insert(words, word)
end

local bufstart = " "
local buffer = bufstart
for i, word in ipairs(words) do
if (#buffer + #word) <= max_width then
local width = max_width + 1
if (#buffer + #word) <= max_width - 2 then
buffer = buffer .. word .. " "
if i == #words then
buffer = (string.format("%-" .. width .. "s", buffer) .. bufend)
-- buffer = buffer .. bufend
table.insert(formatted_line, buffer:sub(1, -2))
end
else
buffer = (string.format("%-" .. width .. "s", buffer) .. bufend)
table.insert(formatted_line, buffer:sub(1, -2))
buffer = bufstart .. word .. " "
if i == #words then
buffer = (string.format("%-" .. width .. "s", buffer) .. bufend)
table.insert(formatted_line, buffer:sub(1, -2))
end
end
end

-- right-justify text if the line begins with -
if line:sub(1, 1) == "-" then
for i, val in ipairs(formatted_line) do
local space = string.rep(" ", max_width - #val - 2)
formatted_line[i] = space .. val:sub(2, -1)
local space = string.rep(" ", max_width - #line - 4)
formatted_line[i] = bufstart .. space .. line .. " " .. bufend
end
end
return formatted_line
Expand All @@ -59,11 +68,17 @@ end
--- @return table
local format_fortune = function(fortune, max_width)
-- Converts list of strings to one formatted string (with linebreaks)
local formatted_fortune = { " " } -- adds spacing between alpha-menu and footer
-- local formatted_fortune = { " " } -- adds spacing between alpha-menu and footer

local formatted_fortune = { "┌" .. string.rep("─", max_width - 2) .. "┐" }

for _, line in ipairs(fortune) do
local formatted_line = format_line(line, max_width)
formatted_fortune = list_extend(formatted_fortune, formatted_line)
end
-- formatted_fortune = list_extend(formatted_fortune, {" "})
formatted_fortune = list_extend(formatted_fortune, { "└" .. string.rep("─", max_width - 2) .. "┘" })

return formatted_fortune
end

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