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Update eldit.lua

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LDDestroier 2019-03-19 21:50:50 -04:00 committed by GitHub
parent b3eca8588c
commit d75ab877df
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1 changed files with 252 additions and 71 deletions
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eldit.lua
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@ -37,6 +37,20 @@ local eClear = function()
term.setCursorPos(cx, cy) term.setCursorPos(cx, cy)
end end
local sortSelections = function()
for id,sel in pairs(eldit.selections) do
table.sort(sel, function(a,b)
return (a.y * eldit.size.width) + a.x < (b.y * eldit.size.width) + b.x
end)
end
end
local sortCursors = function()
table.sort(eldit.cursors, function(a,b)
return (a.y * eldit.size.width) + a.x < (b.y * eldit.size.width) + b.x
end)
end
local explode = function(div, str, replstr, includeDiv) local explode = function(div, str, replstr, includeDiv)
if (div == '') then if (div == '') then
return false return false
@ -92,10 +106,50 @@ prompt = function(prebuffer)
local isCursorBlink = false local isCursorBlink = false
local isInsert = false local isInsert = false
local interruptable = {
[" "] = true,
["["] = true, ["]"] = true,
["{"] = true, ["}"] = true,
["("] = true, [")"] = true,
["|"] = true,
["/"] = true,
["\\"] = true,
["+"] = true,
["-"] = true,
["*"] = true,
["="] = true,
["."] = true,
[","] = true
}
local checkIfSelected = function(x, y) local checkIfSelected = function(x, y)
for id, sel in pairs(eldit.selections) do sortSelections()
if (x >= sel[1].x or y >= sel[1].y) and (x <= sel[2].x or y <= sel[2].y) then local fin
return id if y >= 1 and y <= #eldit.buffer then
if x >= 1 and x <= #eldit.buffer[y] + 1 then
for id, sel in pairs(eldit.selections) do
if y == sel[1].y then
if sel[2].y == sel[1].y then
fin = x >= sel[1].x and x <= sel[2].x
else
fin = x >= sel[1].x
end
elseif y == sel[2].y then
if sel[2].y == sel[1].y then
fin = x >= sel[1].x and x <= sel[2].x
else
fin = x <= sel[2].x
end
elseif y > sel[1].y and y < sel[2].y then
fin = true
end
if fin then
return id
end
end
end end
end end
return false return false
@ -231,101 +285,156 @@ prompt = function(prebuffer)
end end
end end
local deleteText = function(mode, direction) local deleteText = function(mode, direction, _cx, _cy)
local xAdjList = {}
local yAdj = 0
sortCursors()
for id,cur in pairs(eldit.cursors) do for id,cur in pairs(eldit.cursors) do
cx = _cx or cur.x - (xAdjList[_cy or cur.y] or 0)
cy = _cy or cur.y - yAdj
if mode == "single" then if mode == "single" or (direction == "forward" and cx == #eldit.buffer[cy] or (direction == "backward" and cx == 1)) then
if direction == "forward" then if direction == "forward" then
if cx < #eldit.buffer[cy] then
elseif direction == "backward" then xAdjList[cy] = (xAdjList[cy] or 0) + 1
if cur.x > 1 then table.remove(eldit.buffer[cy], cx)
cur.x = cur.x - 1 else
table.remove(eldit.buffer[cur.y], cur.x) for i = 1, #eldit.buffer[cy + 1] do
elseif cur.y > 1 then table.insert(eldit.buffer[cy], eldit.buffer[cy + 1][i])
for i = 1, #eldit.buffer[cur.y] do
table.insert(eldit.buffer[cur.y - 1], eldit.buffer[cur.y][i])
end end
table.remove(eldit.buffer, cur.y) table.remove(eldit.buffer, cy + 1)
cur.y = cur.y - 1 yAdj = yAdj + 1
cur.x = #eldit.buffer[cur.y] + 1 end
elseif direction == "backward" then
if cx > 1 then
cx = cx - 1
xAdjList[cy] = (xAdjList[cy] or 0) + 1
table.remove(eldit.buffer[cy], cx)
elseif cy > 1 then
cx = #eldit.buffer[cy - 1] + 1
for i = 1, #eldit.buffer[cy] do
table.insert(eldit.buffer[cy - 1], eldit.buffer[cy][i])
end
table.remove(eldit.buffer, cy)
yAdj = yAdj + 1
cy = cy - 1
end end
else else
if cur.x >= 1 and cur.x <= #eldit.buffer[cur.y] then if cx >= 1 and cx <= #eldit.buffer[cy] then
table.remove(eldit.buffer[cur.y], cur.x) table.remove(eldit.buffer[cy], cx)
elseif cur.x == #eldit.buffer[cur.y] + 1 and cur.y < #eldit.buffer then elseif cx == #eldit.buffer[cy] + 1 and cy < #eldit.buffer then
for i = 1, #eldit.buffer[cur.y + 1] do for i = 1, #eldit.buffer[cy + 1] do
table.insert(eldit.buffer[cur.y], eldit.buffer[cur.y + 1][i]) table.insert(eldit.buffer[cy], eldit.buffer[cy + 1][i])
end end
table.remove(eldit.buffer, cur.y + 1) table.remove(eldit.buffer, cy + 1)
yAdj = yAdj + 1
end end
end end
elseif mode == "word" then elseif mode == "word" then
local pos = cur.x local pos = cx
local interruptable = {
[" "] = true,
["["] = true, ["]"] = true,
["{"] = true, ["}"] = true,
["("] = true, [")"] = true,
["|"] = true,
["/"] = true,
["\\"] = true,
["+"] = true,
["-"] = true,
["*"] = true,
["="] = true,
}
if direction == "forward" then if direction == "forward" then
repeat repeat
pos = pos + 1 pos = pos + 1
until interruptable[eldit.buffer[cur.y][pos]] or pos >= #eldit.buffer[cur.y] until interruptable[eldit.buffer[cy][pos]] or pos >= #eldit.buffer[cy]
for i = pos, cur.x, -1 do for i = pos, cx, -1 do
table.remove(eldit.buffer[cur.y], i) xAdjList[cy] = (xAdjList[cy] or 0) + 1
table.remove(eldit.buffer[cy], i)
end end
else else
repeat repeat
pos = pos - 1 pos = pos - 1
until interruptable[eldit.buffer[cur.y][pos]] or pos <= 1 until interruptable[eldit.buffer[cy][pos]] or pos <= 1
for i = cur.x - 1, pos, -1 do pos = math.max(1, pos)
table.remove(eldit.buffer[cur.y], i) for i = cx - 1, pos, -1 do
table.remove(eldit.buffer[cy], i)
end end
cur.x = pos cx = pos
end end
elseif mode == "line" then elseif mode == "line" then -- like word but is only interrupted by newline
if direction == "forward" then if direction == "forward" then
for i = cur.x, #eldit.buffer[cur.y] do for i = cx, #eldit.buffer[cy] do
eldit.buffer[cur.y][i] = nil eldit.buffer[cy][i] = nil
end end
else else
for i = cur.x, 1, -1 do for i = cx, 1, -1 do
table.remove(eldit.buffer[cur.y], i) table.remove(eldit.buffer[cy], i)
end end
end end
end end
cur.lastX = cur.x if _cx then
scrollToCursor() return yAdj
else
cur.x = cx
cur.y = cy
cur.lastX = cx
end
end end
removeRedundantCursors()
scrollToCursor()
return yAdj
end
local deleteSelections = function()
sortSelections()
if #eldit.selections == 0 then
return {}, {}
end
local xAdjusts = {}
local yAdjusts = {}
local xAdj = 0
local yAdj = 0
for y = 1, #eldit.buffer do
xAdjusts[y] = {}
if checkIfSelected(#eldit.buffer[y] + 1, y) then
yAdj = yAdj + 1
end
yAdjusts[y + 1] = yAdj
xAdj = 0
for x = 2, #eldit.buffer[y] do
xAdjusts[y][x] = xAdj
if checkIfSelected(x, y) then
xAdj = xAdj + 1
end
end
end
for y = #eldit.buffer, 1, -1 do
for x = #eldit.buffer[y] + 1, 1, -1 do
if checkIfSelected(x, y) then
if x == #eldit.buffer[y] + 1 then
for i = 1, #eldit.buffer[y + 1] do
table.insert(eldit.buffer[y], eldit.buffer[y + 1][i])
end
table.remove(eldit.buffer, y + 1)
else
deleteText("single", nil, x, y)
end
end
end
end
eldit.selections = {}
return xAdjusts, yAdjusts
end end
local placeText = function(text) local placeText = function(text)
for id,sel in pairs(eldit.selections) do local xAdjusts, yAdjusts = deleteSelections()
for y = sel[2].y, sel[1].y, -1 do
for x = #eldit.buffer[y], 1, -1 do
if (y > sel[1].y and y < sel[2].y) or (x >= sel[1].x and x <= sel[2].x) then
table.remove(eldit.buffer[y], x)
end
end
end
eldit.cursors[#eldit.cursors + 1] = {x = sel[1].x, y = sel[1].y}
end
removeRedundantCursors() removeRedundantCursors()
sortCursors()
local xAdjList = {}
for id,cur in pairs(eldit.cursors) do for id,cur in pairs(eldit.cursors) do
cur.y = cur.y - (yAdjusts[cur.y] or 0)
cur.x = cur.x - ((xAdjusts[cur.y] or {})[cur.x] or 0) + (xAdjList[cur.y] or 0)
for i = 1, #text do for i = 1, #text do
if isInsert then if isInsert then
eldit.buffer[cur.y][cur.x + i - 1] = text:sub(i,i) eldit.buffer[cur.y][cur.x + i - 1] = text:sub(i,i)
else else
table.insert(eldit.buffer[cur.y], cur.x, text:sub(i,i)) table.insert(eldit.buffer[cur.y], cur.x, text:sub(i,i))
if #xAdjusts + #yAdjusts == 0 then
xAdjList[cur.y] = (xAdjList[cur.y] or 0) + 1
end
end end
cur.x = cur.x + 1 cur.x = cur.x + 1
end end
@ -334,14 +443,30 @@ prompt = function(prebuffer)
scrollToCursor() scrollToCursor()
end end
local adjustCursor = function(xmod, ymod, setLastX) local adjustCursor = function(_xmod, _ymod, setLastX, mode)
for id,cur in pairs(eldit.cursors) do for id,cur in pairs(eldit.cursors) do
if mode == "word" then
xmod = (_xmod / math.abs(_xmod))
ymod = 0
repeat
xmod = xmod + (_xmod / math.abs(_xmod))
until interruptable[eldit.buffer[cur.y][cur.x + xmod]] or cur.x + xmod >= #eldit.buffer[cur.y] or cur.x + xmod <= 1
xmod = xmod - math.min(0, math.max(xmod, -1))
else
xmod = _xmod
ymod = _ymod
end
if mode == "flip" then
if eldit.buffer[cur.y + ymod] then
eldit.buffer[cur.y], eldit.buffer[cur.y + ymod] = eldit.buffer[cur.y + ymod], eldit.buffer[cur.y]
end
end
cur.x = cur.x + xmod cur.x = cur.x + xmod
cur.y = cur.y + ymod cur.y = cur.y + ymod
cur.y = math.max(1, math.min(cur.y, #eldit.buffer + 1)) cur.y = math.max(1, math.min(cur.y, #eldit.buffer))
if xmod ~= 0 then if xmod ~= 0 then
repeat repeat
if cur.x < 1 and cur.y > 1 then if cur.x < 1 and cur.y > 1 then
cur.y = cur.y - 1 cur.y = cur.y - 1
cur.x = cur.x + #eldit.buffer[cur.y] + 1 cur.x = cur.x + #eldit.buffer[cur.y] + 1
elseif cur.x > #eldit.buffer[cur.y] + 1 and cur.y < #eldit.buffer then elseif cur.x > #eldit.buffer[cur.y] + 1 and cur.y < #eldit.buffer then
@ -367,6 +492,10 @@ prompt = function(prebuffer)
end end
end end
removeRedundantCursors() removeRedundantCursors()
if (not keysDown[keys.leftCtrl]) and not (xmod == 0 and ymod == 0) then
eldit.selections = {}
isSelecting = false
end
scrollToCursor() scrollToCursor()
end end
@ -399,9 +528,11 @@ prompt = function(prebuffer)
end end
local evt local evt
local tID = os.startTimer(0.5) local lastMouse = {} -- last place you clicked onscreen
local bartID = os.startTimer(0.1) local isSelecting = false -- whether or not you are selecting text
local doRender = true local tID = os.startTimer(0.5) -- timer for cursor blinking
local bartID = os.startTimer(0.1) -- timer for bar message to go away
local doRender = true -- if true, renders
while true do while true do
evt = {os.pullEvent()} evt = {os.pullEvent()}
@ -439,6 +570,22 @@ prompt = function(prebuffer)
elseif evt[2] == keys.s then elseif evt[2] == keys.s then
saveFile() saveFile()
elseif evt[2] == keys.left then
adjustCursor(-1, 0, true, "word")
doRender, isCursorBlink = true, true
elseif evt[2] == keys.right then
adjustCursor(1, 0, true, "word")
doRender, isCursorBlink = true, true
elseif evt[2] == keys.up then
adjustCursor(0, -1, false, "flip")
doRender, isCursorBlink = true, true
elseif evt[2] == keys.down then
adjustCursor(0, 1, false, "flip")
doRender, isCursorBlink = true, true
end end
else else
@ -457,6 +604,7 @@ prompt = function(prebuffer)
y = eldit.cursors[1].y, y = eldit.cursors[1].y,
lastX = 1 lastX = 1
}} }}
scrollToCursor()
doRender = true doRender = true
elseif evt[2] == keys["end"] then elseif evt[2] == keys["end"] then
@ -465,6 +613,7 @@ prompt = function(prebuffer)
y = eldit.cursors[1].y, y = eldit.cursors[1].y,
lastX = #eldit.buffer[eldit.cursors[1].y] + 1 lastX = #eldit.buffer[eldit.cursors[1].y] + 1
}} }}
scrollToCursor()
doRender = true doRender = true
elseif evt[2] == keys.pageUp then elseif evt[2] == keys.pageUp then
@ -480,7 +629,7 @@ prompt = function(prebuffer)
doRender, isCursorBlink = true, false doRender, isCursorBlink = true, false
elseif evt[2] == keys.delete then elseif evt[2] == keys.delete then
deleteText("single", nil) deleteText("single", "forward")
doRender, isCursorBlink = true, false doRender, isCursorBlink = true, false
elseif evt[2] == keys.left then elseif evt[2] == keys.left then
@ -518,20 +667,52 @@ prompt = function(prebuffer)
y = evt[4] + eldit.scrollY, y = evt[4] + eldit.scrollY,
lastX = evt[3] + eldit.scrollX lastX = evt[3] + eldit.scrollX
}} }}
eldit.selections = {}
end end
lastMouse = {
x = evt[3],
y = evt[4],
scrollX = eldit.scrollX,
scrollY = eldit.scrollY,
ctrl = keysDown[keys.leftCtrl],
curID = #eldit.cursors,
}
sortSelections()
adjustCursor(0, 0, true) adjustCursor(0, 0, true)
doRender = true doRender = true
elseif evt[1] == "mouse_drag" then elseif evt[1] == "mouse_drag" then
miceDown[evt[2]] = {x = evt[3], y = evt[4]} miceDown[evt[2]] = {x = evt[3], y = evt[4]}
doRender = true if lastMouse.x and lastMouse.y and lastMouse.curID then
local adjMX, adjMY = lastMouse.x + lastMouse.scrollX, lastMouse.y + lastMouse.scrollY
local adjEX, adjEY = evt[3] + eldit.scrollX, evt[4] + eldit.scrollY
eldit.selections[#eldit.selections + ((lastMouse.ctrl and not isSelecting) and 1 or 0)] = {
{
x = math.min(adjMX, #eldit.buffer[adjMY]),
y = adjMY
},
{
x = math.min(adjEX, #eldit.buffer[adjEY]),
y = adjEY
}
}
sortSelections()
eldit.cursors[lastMouse.curID] = {
x = eldit.selections[#eldit.selections][1].x,
y = eldit.selections[#eldit.selections][1].y,
lastX = eldit.selections[#eldit.selections][1].x
}
adjustCursor(0, 0)
isSelecting = true
doRender = true
end
elseif evt[1] == "mouse_up" then elseif evt[1] == "mouse_up" then
miceDown[evt[2]] = nil miceDown[evt[2]] = nil
isSelecting = false
elseif evt[1] == "mouse_scroll" then elseif evt[1] == "mouse_scroll" then
local amount = (keysDown[keys.leftCtrl] and eldit.size.height or 1) * evt[2]
if keysDown[keys.leftAlt] then if keysDown[keys.leftAlt] then
adjustScroll(amount, 0) adjustScroll((keysDown[keys.leftCtrl] and eldit.size.width or 1) * evt[2], 0)
else else
adjustScroll(0, amount) adjustScroll(0, (keysDown[keys.leftCtrl] and eldit.size.height or 1) * evt[2])
end end
doRender = true doRender = true
end end