128 lines
2.9 KiB
Lua
128 lines
2.9 KiB
Lua
local border_chars = {
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"┌", "─", "┐", "│", "└", "┘"
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}
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local menu = {}
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local entries = {}
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local gpu = component.proxy(component.list("gpu")())
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local screen = component.list("screen")()
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gpu.bind(screen) --fuck off ocemu
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local bg, fg = 0, 0xFFFFFF
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local timeout = 5
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function menu.setfgcolor(color)
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fg = color
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end
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function menu.setbgcolor(color)
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bg = color
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end
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function menu.settimeout(to)
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timeout = to
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end
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function menu.add(text, func)
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entries[#entries+1] = {text, func}
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end
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function menu.draw()
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local w, h = gpu.getViewport()
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local stime = computer.uptime()
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local autosel = true
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local ypos = 1
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local sel = 1
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local function redraw()
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local w, h = gpu.getViewport()
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gpu.setBackground(bg)
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gpu.setForeground(fg)
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gpu.fill(1, h-2, w, 1, " ")
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if (autosel) then
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gpu.set(1, h-2, "Automatically booting in "..math.floor(timeout-(computer.uptime()-stime)).."s.")
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end
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for i=1, h-6 do
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local entry = entries[ypos+i-1]
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if not entry then break end
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local name = entry[1]
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if not name then break end
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local short = name:sub(1, w-2)
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if (short ~= name) then
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short = short:sub(1, #sub-3).."..."
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end
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if (#short < w-2) then
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short = short .. string.rep(" ", w-2-#short)
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end
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if (sel == ypos+i-1) then
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gpu.setBackground(fg)
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gpu.setForeground(bg)
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else
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gpu.setBackground(bg)
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gpu.setForeground(fg)
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end
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gpu.set(2, i+2, short)
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end
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end
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local function full_redraw()
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local w, h = gpu.getViewport()
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local cls = function()gpu.fill(1,1,w,h," ")end
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gpu.setBackground(bg)
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gpu.setForeground(fg)
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cls()
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--Draw some things
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local namestr = _BIOS .. " " .. string.format("%.1f.%d %s", _ZVER, _ZPAT, _ZGIT)
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gpu.set((w/2)-(#namestr/2), 1, namestr)
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gpu.set(1, 2, border_chars[1])
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gpu.set(2, 2, border_chars[2]:rep(w-2))
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gpu.set(w, 2, border_chars[3])
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for i=1, h-6 do
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gpu.set(1, i+2, border_chars[4])
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gpu.set(w, i+2, border_chars[4])
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end
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gpu.set(1, h-3, border_chars[5])
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gpu.set(2, h-3, border_chars[2]:rep(w-2))
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gpu.set(w, h-3, border_chars[6])
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gpu.set(1, h-1, "Use ↑ and ↓ keys to select which entry is highlighted.")
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gpu.set(1, h, "Use ENTER to boot the selected entry.")
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redraw()
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end
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full_redraw()
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sel = 1
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while true do
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local sig, _, key, code = computer.pullSignal(0.01)
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if (sig == "key_down") then
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autosel = false
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if (key == 0 and code == 200) then
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sel = sel - 1
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if (sel < 1) then
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sel = 1
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end
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if (sel < ypos) then
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ypos = ypos - 1
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end
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elseif (key == 0 and code == 208) then
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sel = sel + 1
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if (sel > #entries) then
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sel = #entries
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end
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if (sel > ypos+h-7) then
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ypos = ypos+1
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end
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elseif (key == 13 and code == 28) then
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gpu.setBackground(0)
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gpu.setForeground(0xFFFFFF)
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entries[sel][2]()
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full_redraw()
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end
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end
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if (((computer.uptime()-stime) >= timeout) and autosel) then
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entries[sel][2]()
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full_redraw()
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end
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redraw()
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end
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end
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return menu |