122 lines
3.4 KiB
Lua
122 lines
3.4 KiB
Lua
local window = require("libs.window")
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local threading = require("libs.threading")
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local x, y = term.getSize()
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local win = window.create("Launcher", x / 3, y / 1.4, x / 2 - ((x / 3) / 2), y / 2 - ((y / 1.5) / 2))
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win.decorations = false
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win.draggable = false
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win.alwaysOnTop = true
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local apps = {}
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-- tiny alphabetical boost based on the first A–Z letter in the name
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local function alpha_boost(name, scale)
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scale = scale or 0.001 -- tune this: 0.001 ⇒ max boost ≈ 0.026 for 'a'
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name = string.lower(name or "")
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-- find first alphabetic char
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local i = name:find("%a")
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if not i then return 0 end
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local ch = name:sub(i, i)
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local byte = ch:byte()
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-- map a..z -> 1..26; non-letters -> 0 boost
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if byte < 97 or byte > 122 then return 0 end
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local pos = byte - 96 -- 1 for 'a', 26 for 'z'
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return (27 - pos) * scale -- 'a' highest, 'z' lowest
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end
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-- literal (plain) substring counter with optional overlap
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local function count_sub(s, sub, overlap)
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if sub == "" then return 0 end
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local count, i = 0, 0
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while true do
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local j = string.find(s, sub, i + 1, true)
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if not j then break end
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count = count + 1
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i = overlap and j or (j + #sub - 1)
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end
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return count
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end
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local function score(app, search)
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local name = string.lower(app.name or "")
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local q = string.lower(search or "")
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local s = count_sub(name, q, true) * 2
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if app.tags then
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for _, tag in ipairs(app.tags) do
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s = s + count_sub(string.lower(tag), q, true)
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end
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end
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-- Optional extra nudge if the name starts with the query (nice UX)
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if q ~= "" and name:sub(1, #q) == q then
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s = s + 0.5
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end
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-- Alphabetical tiebreaker (very small)
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s = s + alpha_boost(app.name)
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return s
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end
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for _, f in ipairs(fs.list("/.apps")) do
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local file = fs.open(fs.combine("/.apps", f), "r")
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if file then
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local v = textutils.unserialise(file.readAll())
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if v and v.name and v.file then
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apps[#apps + 1] = v
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end
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file.close()
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end
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end
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local function clamp(v, lo, hi) return (v < lo) and lo or ((v > hi) and hi or v) end
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sleep()
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local search = ""
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local scroll = 1
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local runnning = true
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function win.char(ch)
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search = search .. ch
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end
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function win.key(key)
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if key == keys.backspace then
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search = search:sub(1, #search - 1)
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elseif key == keys.up then
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scroll = clamp(scroll - 1, 1, #apps)
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elseif key == keys.down then
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scroll = clamp(scroll + 1, 1, #apps)
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elseif key == keys.enter then
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local app = apps[scroll]
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threading.addFromFile(app.file)
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runnning = false
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elseif key == keys.leftCtrl then
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runnning = false
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end
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end
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while runnning do
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table.sort(apps, function(a, b) return score(a, search) > score(b, search) end)
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win.setBackgroundColor(colors.gray)
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win.clear()
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for i, app in ipairs(apps) do
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if i == scroll then
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win.setBackgroundColor(colors.white)
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win.setTextColor(colors.black)
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else
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win.setBackgroundColor(colors.gray)
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win.setTextColor(colors.white)
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end
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win.setCursorPos(1, i)
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win.clearLine()
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win.write(app.name)
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end
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local _, y = win.getSize()
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win.setCursorPos(1, y)
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win.setTextColor(colors.white)
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win.setBackgroundColor(colors.black)
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win.clearLine()
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win.write(search)
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sleep()
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end
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win.close()
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