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https://github.com/LDDestroier/CC/
synced 2025-04-25 20:23:20 +00:00
Added line numbers, whitespace indicator
You can also select text by holding down the mouse button and scrolling. Gotta add some more stuff later, like the ability to declare a filename after starting up the program, or stuff like Save As and Open, as well as multiple clipboards and undo/redo.
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LDDestroier
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116
eldit.lua
116
eldit.lua
@ -89,9 +89,11 @@ end
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prompt = function(prebuffer)
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local keysDown = {}
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local miceDown = {}
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local defaultBarLife = 10
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local barmsg = "Started Eldit."
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local defaultBarLife = 10 -- default amount of time bar msg will stay onscreen
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local barmsg = "Started Eldit." -- message displayed on bottom screen
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local barlife = defaultBarLife
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local lastMouse = {} -- last place you clicked onscreen
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local isSelecting = false -- whether or not you are selecting text
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if type(prebuffer) == "string" then
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for i = 1, #prebuffer do
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if prebuffer:sub(i,i) == "\n" then
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@ -174,10 +176,54 @@ prompt = function(prebuffer)
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local render = function()
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local cx, cy
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local tab = {
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[" "] = true,
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["\9"] = true
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}
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local lineNoLen = #tostring(#eldit.buffer)
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local textPoses = {math.huge, math.huge} -- used to identify space characters without text
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for y = 1, eldit.size.height - 1 do -- minus one because it reserves space for the bar
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for x = 1, eldit.size.width do
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cy = y + eldit.scrollY
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-- find text
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for x = 1, #eldit.buffer[cy] do
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if (not tab[eldit.buffer[cy][x]]) and eldit.buffer[cy][x] then
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textPoses[1] = x
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break
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end
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end
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for x = #eldit.buffer[cy], 1, -1 do
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if (not tab[eldit.buffer[cy][x]]) and eldit.buffer[cy][x] then
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textPoses[2] = x
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break
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end
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end
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local isHighlighted = false
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for id,cur in pairs(eldit.cursors) do
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if cy == cur.y then
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isHighlighted = true
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break
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end
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end
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if not isHighlighted then
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for id,sel in pairs(eldit.selections) do
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if cy >= sel[1].y and cy <= sel[2].y then
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isHighlighted = true
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break
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end
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end
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end
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term.setCursorPos(eldit.size.x, eldit.size.y + y - 1)
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if isHighlighted then
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term.setBackgroundColor(colors.gray)
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term.setTextColor(colors.white)
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else
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term.setBackgroundColor(colors.black)
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term.setTextColor(colors.lightGray)
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end
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term.write(cy .. (" "):rep(lineNoLen - #tostring(y)))
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for x = lineNoLen + 1, eldit.size.width do
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term.setCursorPos(eldit.size.x + x - 1, eldit.size.y + y - 1)
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cx = x + eldit.scrollX
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cx = x + eldit.scrollX - lineNoLen
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cy = y + eldit.scrollY
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if checkIfSelected(cx, cy) then
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@ -197,7 +243,15 @@ prompt = function(prebuffer)
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else
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term.setTextColor(colors.white)
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end
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term.write(getChar(cx, cy) or " ")
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if cx < textPoses[1] and eldit.buffer[cy][cx] then
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term.setTextColor(colors.gray)
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term.write("|")
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elseif (cx > textPoses[2] and eldit.buffer[cy][cx]) then
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term.setTextColor(colors.gray)
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term.write("-")
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else
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term.write(getChar(cx, cy) or " ")
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end
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end
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end
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term.setCursorPos(eldit.size.x, eldit.size.y + eldit.size.height - 1)
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@ -372,7 +426,9 @@ prompt = function(prebuffer)
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end
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removeRedundantCursors()
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scrollToCursor()
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if not isSelecting then
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scrollToCursor()
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end
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return yAdj
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end
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@ -440,7 +496,9 @@ prompt = function(prebuffer)
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end
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cur.lastX = cur.x
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end
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scrollToCursor()
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if not isSelecting then
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scrollToCursor()
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end
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end
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local adjustCursor = function(_xmod, _ymod, setLastX, mode)
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@ -496,7 +554,9 @@ prompt = function(prebuffer)
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eldit.selections = {}
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isSelecting = false
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end
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scrollToCursor()
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if not isSelecting then
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scrollToCursor()
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end
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end
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local makeNewLine = function()
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@ -511,7 +571,9 @@ prompt = function(prebuffer)
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cur.x = 1
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cur.y = cur.y + 1
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end
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scrollToCursor()
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if not isSelecting then
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scrollToCursor()
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end
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end
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saveFile = function()
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@ -528,8 +590,6 @@ prompt = function(prebuffer)
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end
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local evt
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local lastMouse = {} -- last place you clicked onscreen
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local isSelecting = false -- whether or not you are selecting text
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local tID = os.startTimer(0.5) -- timer for cursor blinking
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local bartID = os.startTimer(0.1) -- timer for bar message to go away
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local doRender = true -- if true, renders
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@ -617,11 +677,11 @@ prompt = function(prebuffer)
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doRender = true
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elseif evt[2] == keys.pageUp then
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adjustScroll(-eldit.size.height)
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adjustScroll(0, -eldit.size.height)
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doRender = true
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elseif evt[2] == keys.pageDown then
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adjustScroll(eldit.size.height)
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adjustScroll(0, eldit.size.height)
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doRender = true
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elseif evt[2] == keys.backspace then
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@ -654,18 +714,19 @@ prompt = function(prebuffer)
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elseif evt[1] == "key_up" then
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keysDown[evt[2]] = nil
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elseif evt[1] == "mouse_click" then
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local lineNoLen = #tostring(#eldit.buffer)
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miceDown[evt[2]] = {x = evt[3], y = evt[4]}
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if keysDown[keys.leftCtrl] then
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table.insert(eldit.cursors, {
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x = evt[3] + eldit.scrollX,
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x = evt[3] + eldit.scrollX - lineNoLen,
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y = evt[4] + eldit.scrollY,
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lastX = evt[3] + eldit.scrollX
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lastX = evt[3] + eldit.scrollX - lineNoLen
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})
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else
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eldit.cursors = {{
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x = evt[3] + eldit.scrollX,
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x = evt[3] + eldit.scrollX - lineNoLen,
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y = evt[4] + eldit.scrollY,
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lastX = evt[3] + eldit.scrollX
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lastX = evt[3] + eldit.scrollX - lineNoLen
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}}
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eldit.selections = {}
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end
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@ -674,6 +735,7 @@ prompt = function(prebuffer)
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y = evt[4],
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scrollX = eldit.scrollX,
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scrollY = eldit.scrollY,
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lineNoLen = lineNoLen,
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ctrl = keysDown[keys.leftCtrl],
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curID = #eldit.cursors,
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}
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@ -681,44 +743,50 @@ prompt = function(prebuffer)
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adjustCursor(0, 0, true)
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doRender = true
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elseif evt[1] == "mouse_drag" then
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local lineNoLen = #tostring(#eldit.buffer)
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miceDown[evt[2]] = {x = evt[3], y = evt[4]}
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if lastMouse.x and lastMouse.y and lastMouse.curID then
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local adjMX, adjMY = lastMouse.x + lastMouse.scrollX, lastMouse.y + lastMouse.scrollY
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local adjEX, adjEY = evt[3] + eldit.scrollX, evt[4] + eldit.scrollY
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eldit.selections[#eldit.selections + ((lastMouse.ctrl and not isSelecting) and 1 or 0)] = {
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eldit.selections[#eldit.selections + ((lastMouse.ctrl or not isSelecting) and 1 or 0)] = {
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{
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x = math.min(adjMX, #eldit.buffer[adjMY]),
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x = math.min(adjMX, #eldit.buffer[adjMY] + lineNoLen) - lineNoLen,
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y = adjMY
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},
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{
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x = math.min(adjEX, #eldit.buffer[adjEY]),
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x = math.min(adjEX, #eldit.buffer[adjEY] + lineNoLen) - lineNoLen,
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y = adjEY
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}
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}
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sortSelections()
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eldit.cursors[lastMouse.curID] = {
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x = eldit.selections[#eldit.selections][1].x,
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y = eldit.selections[#eldit.selections][1].y,
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lastX = eldit.selections[#eldit.selections][1].x
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}
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adjustCursor(0, 0)
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isSelecting = true
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adjustCursor(0, 0)
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doRender = true
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end
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elseif evt[1] == "mouse_up" then
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miceDown[evt[2]] = nil
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isSelecting = false
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sortSelections()
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elseif evt[1] == "mouse_scroll" then
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if keysDown[keys.leftAlt] then
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adjustScroll((keysDown[keys.leftCtrl] and eldit.size.width or 1) * evt[2], 0)
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else
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adjustScroll(0, (keysDown[keys.leftCtrl] and eldit.size.height or 1) * evt[2])
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end
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if isSelecting then
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os.queueEvent("mouse_drag", 1, evt[3], evt[4])
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end
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doRender = true
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end
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if doRender then
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render()
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doRender = false
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if not (evt[1] == "mouse_scroll" and isSelecting) then
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render()
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doRender = false
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end
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end
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end
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end
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