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https://github.com/CCLeonOS/LeonOS.git
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feat: 初始提交 LeonOS 实现
添加 LeonOS 的基本实现，包括： - 核心 API 模块（colors, disk, gps, keys, multishell, parallel, rednet, redstone, settings, vector） - 命令行程序（about, alias, bg, clear, copy, delete, edit, fg, help, list, lua, mkdir, move, paint, peripherals, programs, reboot, set, shutdown, threads） - 系统启动脚本和包管理 - 文档（README.md, LICENSE） - 开发工具（devbin）和更新程序 实现功能： - 完整的线程管理系统 - 兼容 ComputerCraft 的 API 设计 - 改进的 shell 和命令补全系统 - 多标签终端支持 - 设置管理系统
This commit is contained in:
308
data/computercraft/lua/rom/editors/advanced.lua
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308
data/computercraft/lua/rom/editors/advanced.lua
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-- A much better editor.
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local rc = require("rc")
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local keys = require("keys")
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local term = require("term")
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local colors = require("colors")
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local settings = require("settings")
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local textutils = require("textutils")
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local args = {...}
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local type_colors = {
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separator = colors[settings.get("edit.color_separator") or "lightBlue"],
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operator = colors[settings.get("edit.color_operator") or "lightGray"],
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keyword = colors[settings.get("edit.color_keyword") or "orange"],
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boolean = colors[settings.get("edit.color_boolean") or "purple"],
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comment = colors[settings.get("edit.color_comment") or "gray"],
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builtin = colors[settings.get("edit.color_global") or "lime"],
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string = colors[settings.get("edit.color_string") or "red"],
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number = colors[settings.get("edit.color_number") or "magenta"]
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}
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local lines = {}
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local linesDraw = {}
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local run, menu = true, false
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local cx, cy = 1, 1
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local scroll = 0
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local hscroll = 0
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local scroll_offset = settings.get("edit.scroll_offset") or 3
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local scroll_increment = 0
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local scroll_factor = settings.get("edit.scroll_factor") or 8
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local unsaved, changed = false, true
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local file = args[1] or ".new"
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local status = "Press Ctrl for menu"
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if args[1] then
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local handle = io.open(args[1], "r")
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if handle then
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for line in handle:lines() do
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lines[#lines+1] = line
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end
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handle:close()
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end
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end
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if not lines[1] then lines[1] = "" end
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local win = require("window").create(term.current(), 1, 1, term.getSize())
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local function redraw()
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local w, h = term.getSize()
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-- this seems to provide a good responsiveness curve on my machine
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scroll_increment = math.floor(h/scroll_factor)
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win.reposition(1, 1, w, h)
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win.setVisible(false)
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for i=1, h - 1, 1 do
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local line = linesDraw[i]
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win.setCursorPos(1 - hscroll, i)
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win.clearLine()
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if line then
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for t=1, #line, 1 do
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local item = line[t]
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if type(item) == "number" then
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win.setTextColor(item)
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else
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win.write(item)
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end
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end
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end
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end
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win.setCursorPos(1, h)
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win.clearLine()
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win.setTextColor(type_colors.accent or colors.yellow)
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win.write(status)
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win.setTextColor(colors.white)
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win.setCursorPos(math.min(w, cx), cy - scroll)
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win.setCursorBlink(true)
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win.setVisible(true)
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end
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local syntax = require("edit.syntax")
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.new("/rc/modules/main/edit/syntax/lua.lua")
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local function rehighlight()
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local line = {}
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linesDraw = {}
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local _, h = term.getSize()
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local text = table.concat(lines, "\n", scroll+1,
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math.min(#lines, scroll+h+1)) or ""
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for token, ttype in syntax(text) do
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if token == "\n" then
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linesDraw[#linesDraw+1] = line
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line = {}
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else
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repeat
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local bit = token:find("\n")
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local nl = not not bit
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local chunk = token:sub(1, bit or #token)
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token = token:sub(#chunk+1)
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line[#line+1] = type_colors[ttype] or colors.white
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line[#line+1] = chunk
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if nl then
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linesDraw[#linesDraw+1] = line
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line = {}
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end
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until #token == 0
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end
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end
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if #line > 0 then
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linesDraw[#linesDraw+1] = line
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end
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end
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local function save()
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if file == ".new" then
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local _, h = term.getSize()
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term.setCursorPos(1, h)
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textutils.coloredWrite(colors.yellow, "filename: ")
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file = term.read()
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end
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local handle, err = io.open(file, "w")
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if not handle then
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status = err
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else
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for i=1, #lines, 1 do
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handle:write(lines[i] .. "\n")
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end
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handle:close()
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status = "Saved to " .. file
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unsaved = false
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end
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end
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local function processInput()
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local event, id = rc.pullEvent()
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local w, h = term.getSize()
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if event == "char" then
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local line = lines[cy]
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unsaved = true
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if cx > #line then
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line = line .. id
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elseif cx == 1 then
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line = id .. line
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else
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line = line:sub(0, cx-1) .. id .. line:sub(cx)
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end
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cx = cx + 1
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lines[cy] = line
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changed = true
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elseif event == "key" then
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id = keys.getName(id)
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if id == "backspace" then
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local line = lines[cy]
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unsaved = true
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if cx == 1 and cy > 1 then
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local previous = table.remove(lines, cy - 1)
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cy = cy - 1
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cx = #previous + 1
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line = previous .. line
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else
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if #line > 0 then
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if cx > #line then
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cx = cx - 1
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line = line:sub(1, -2)
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elseif cx > 1 then
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line = line:sub(0, cx - 2) .. line:sub(cx)
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cx = cx - 1
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end
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end
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end
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lines[cy] = line
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changed = true
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elseif id == "enter" then
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if cx == 1 then
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table.insert(lines, cy, "")
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elseif cx > #lines[cy] then
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table.insert(lines, cy+1, "")
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else
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local line = lines[cy]
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local before, after = line:sub(0, cx - 1), line:sub(cx)
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lines[cy] = before
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table.insert(lines, cy + 1, after)
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end
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cy = cy + 1
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cx = 1
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changed = true
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elseif id == "up" then
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if cy > 1 then
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cy = cy - 1
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if cy - scroll < scroll_offset then
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local old_scroll = scroll
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scroll = math.max(0, scroll - scroll_increment)
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if scroll < old_scroll then
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rehighlight()
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end
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end
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end
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cx = math.min(cx, #lines[cy] + 1)
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elseif id == "down" then
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if cy < #lines then
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cy = math.min(#lines, cy + 1)
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if cy - scroll > h - scroll_offset then
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local old_scroll = scroll
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scroll = math.max(0, math.min(#lines - h + 1,
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scroll + scroll_increment))
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if scroll > old_scroll then
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rehighlight()
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end
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end
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end
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cx = math.min(cx, #lines[cy] + 1)
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elseif id == "left" then
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if cx > 1 then
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cx = cx - 1
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end
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hscroll = math.max(0, cx - w)
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elseif id == "right" then
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if cx < #lines[cy] + 1 then
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cx = cx + 1
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end
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hscroll = math.max(0, cx - w)
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elseif id == "leftCtrl" or id == "rightCtrl" then
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status = "S:save E:exit"
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menu = true
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end
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end
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end
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local function processMenuInput()
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local event, id = rc.pullEvent()
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if event == "char" then
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if id:lower() == "e" then
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if unsaved and menu ~= 2 then
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status = "Lose unsaved work? E:yes C:no"
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menu = 2
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else
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term.at(1, 1).clear()
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run = false
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end
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elseif id:lower() == "c" and menu == 2 then
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menu = false
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elseif id:lower() == "s" then
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save()
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menu = false
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end
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elseif event == "key" then
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id = keys.getName(id)
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if id == "leftCtrl" or id == "rightCtrl" then
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status = "Press Ctrl for menu"
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menu = false
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end
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end
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end
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while run do
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if changed then rehighlight() changed = false end
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redraw()
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if menu then
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processMenuInput()
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else
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processInput()
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end
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end
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