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WoWInterface/Interface/AddOns/Scorpio.Widget/Modules/CodeEditor.lua

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--========================================================--
-- Scorpio CodeEditor --
-- --
-- Author : kurapica125@outlook.com --
-- Create Date : 2020/05/16 --
--========================================================--
--========================================================--
Scorpio "Scorpio.Widget.CodeEditor" "1.0.0"
--========================================================--
-----------------------------------------------------------
-- Text Editor Widget --
-----------------------------------------------------------
__Sealed__() class "CodeEditor" (function(_ENV)
inherit "InputScrollFrame"
__Sealed__()
class "OperationStack" (function(_ENV)
export { yield = coroutine.yield }
local FIELD_BASE = -1
local FIELD_CURSOR = -2
local FIELD_COUNT = -3
local FIELD_MAX = -4
-----------------------------------------------------------
-- property --
-----------------------------------------------------------
--- The max count of the stack
property "MaxCount" { field = FIELD_MAX, type = Number, default = -1 }
-----------------------------------------------------------
-- method --
-----------------------------------------------------------
function Push(self, oper, text, start, stop)
local max = self.MaxCount
if max == 0 then return end
local base = self[FIELD_BASE]
self[FIELD_CURSOR] = self[FIELD_CURSOR] + 1
self[FIELD_COUNT] = self[FIELD_CURSOR]
base = base + (self[FIELD_COUNT] - 1) * 4 + 1
self[base + 0] = oper
self[base + 1] = text
self[base + 2] = start
self[base + 3] = stop
-- Reduce the stack
if max > 0 and self[FIELD_COUNT] > max then
local last = base + (self[FIELD_COUNT] - max) * 4
for i = base + 1, last do
self[i] = nil
end
self[FIELD_BASE]= last
self[FIELD_COUNT] = max
self[FIELD_CURSOR]= max
end
end
function Undo(self)
if self[FIELD_CURSOR] > 1 then
self[FIELD_CURSOR] = self[FIELD_CURSOR] - 1
local base = self[FIELD_BASE] + (self[FIELD_CURSOR] - 1) * 4 + 1
return self[base], self[base + 1], self[base + 2], self[base + 3]
end
end
function Redo(self)
if self[FIELD_CURSOR] < self[FIELD_COUNT] then
self[FIELD_CURSOR] = self[FIELD_CURSOR] + 1
local base = self[FIELD_BASE] + (self[FIELD_CURSOR] - 1) * 4 + 1
return self[base], self[base + 1], self[base + 2], self[base + 3]
end
end
-----------------------------------------------------------
-- constructor --
-----------------------------------------------------------
function __new(_, maxcount)
return {
[FIELD_BASE] = 0,
[FIELD_COUNT] = 0,
[FIELD_CURSOR] = 0,
[FIELD_MAX] = maxcount or -1,
}, true
end
end)
export {
tinsert = table.insert,
tremove = table.remove,
tblconcat = table.concat,
strbyte = string.byte,
strchar = string.char,
strrep = string.rep,
strtrim = Toolset.trim,
decode = Text.UTF8Encoding.Decode,
BYTE_WORD_KIND = 0,
BYTE_PUNC_KIND = 1,
BYTE_SPACE_KIND = 2,
DOUBLE_CLICK_INTERVAL = 0.6,
_FIRST_WAITTIME = 0.3,
_CONTINUE_WAITTIME = 0.05,
}
_Byte = setmetatable({
-- LineBreak
LINEBREAK_N = strbyte("\n"),
LINEBREAK_R = strbyte("\r"),
-- Space
SPACE = strbyte(" "),
TAB = strbyte("\t"),
-- UnderLine
UNDERLINE = strbyte("_"),
-- Number
ZERO = strbyte("0"),
NINE = strbyte("9"),
-- String
SINGLE_QUOTE = strbyte("'"),
DOUBLE_QUOTE = strbyte('"'),
-- Operator
PLUS = strbyte("+"),
MINUS = strbyte("-"),
ASTERISK = strbyte("*"),
SLASH = strbyte("/"),
PERCENT = strbyte("%"),
-- Compare
LESSTHAN = strbyte("<"),
GREATERTHAN = strbyte(">"),
EQUALS = strbyte("="),
-- Parentheses
LEFTBRACKET = strbyte("["),
RIGHTBRACKET = strbyte("]"),
LEFTPAREN = strbyte("("),
RIGHTPAREN = strbyte(")"),
LEFTWING = strbyte("{"),
RIGHTWING = strbyte("}"),
-- Punctuation
PERIOD = strbyte("."),
BACKSLASH = strbyte("\\"),
COMMA = strbyte(","),
SEMICOLON = strbyte(";"),
COLON = strbyte(":"),
TILDE = strbyte("~"),
HASH = strbyte("#"),
-- WOW
VERTICAL = strbyte("|"),
r = strbyte("r"),
c = strbyte("c"),
}, {
__index = function(self, key)
if type(key) == "string" and key:len() == 1 then
local val = strbyte(key)
rawset(self, key, val)
return val
end
end,
})
-- Operation
_Operation = {
INIT = 0,
CHANGE_CURSOR = 1,
INPUTCHAR = 2,
INPUTTAB = 3,
DELETE = 4,
BACKSPACE = 5,
ENTER = 6,
PASTE = 7,
CUT = 8,
INDENTFORMAT = 9,
DELETE_LINE = 10,
DUPLICATE_LINE = 11,
UNDO_SAVE = 12,
}
_KEY_OPER = {
PAGEUP = _Operation.CHANGE_CURSOR,
PAGEDOWN = _Operation.CHANGE_CURSOR,
HOME = _Operation.CHANGE_CURSOR,
END = _Operation.CHANGE_CURSOR,
UP = _Operation.CHANGE_CURSOR,
DOWN = _Operation.CHANGE_CURSOR,
RIGHT = _Operation.CHANGE_CURSOR,
LEFT = _Operation.CHANGE_CURSOR,
TAB = _Operation.INPUTTAB,
DELETE = _Operation.DELETE,
BACKSPACE = _Operation.BACKSPACE,
ENTER = _Operation.ENTER,
}
-- SkipKey
_SkipKey = {
-- Control keys
LALT = true,
LCTRL = true,
LSHIFT = true,
RALT = true,
RCTRL = true,
RSHIFT = true,
-- other nouse keys
ESCAPE = true,
CAPSLOCK = true,
PRINTSCREEN = true,
INSERT = true,
UNKNOWN = true,
}
_Puncs = Dictionary(XList(128):Map(string.char):Filter("x=>x:match('[%p]+')"):Filter("x=>x~='_'"):Map(string.byte), true)
_Spaces = Dictionary(XList(128):Map(string.char):Filter("x=>x:match('[%s]+')"):Map(string.byte), true)
_Temp = {}
-- Auto Pairs
_AutoPairs = {
[_Byte.LEFTBRACKET] = _Byte.RIGHTBRACKET, -- []
[_Byte.LEFTPAREN] = _Byte.RIGHTPAREN, -- ()
[_Byte.LEFTWING] = _Byte.RIGHTWING, --{}
[_Byte.SINGLE_QUOTE] = true, -- ''
[_Byte.DOUBLE_QUOTE] = true, -- ""
[_Byte.RIGHTBRACKET] = false,
[_Byte.RIGHTPAREN] = false,
[_Byte.RIGHTWING] = false,
}
------------------------------------------------------
-- Test FontString
------------------------------------------------------
_TestFontString = UIParent:CreateFontString()
_TestFontString:Hide()
_TestFontString:SetWordWrap(true)
------------------------------------------------------
-- Short Key Block
------------------------------------------------------
_BtnBlockUp = CreateFrame("Button", "Scorpio_TextEditor_UpBlock", UIParent, "SecureActionButtonTemplate")
_BtnBlockDown = CreateFrame("Button", "Scorpio_TextEditor_DownBlock", UIParent, "SecureActionButtonTemplate")
_BtnBlockUp:Hide()
_BtnBlockDown:Hide()
------------------------------------------------------
-- Key Scanner
------------------------------------------------------
_KeyScan = CreateFrame("Frame", nil, UIParent)
_KeyScan:Hide()
_KeyScan:SetPropagateKeyboardInput(true)
_KeyScan:EnableKeyboard(true)
_KeyScan:SetFrameStrata("TOOLTIP")
_KeyScan.ActiveKeys = {}
------------------------------------------------------
-- Inpput Helpers
------------------------------------------------------
local function getPrevVerticalCount(str, pos)
local sum = 0
while pos > 0 do
local byte = strbyte(str, pos)
if byte ~= _Byte.VERTICAL then break end
sum = sum + 1
pos = pos - 1
end
return sum
end
local function skipColor(str, pos)
while true do
local byte = strbyte(str, pos)
if byte == _Byte.VERTICAL then
local nbyte = strbyte(str, pos + 1)
if nbyte == _Byte.c then
-- Color start
pos = pos + 10
elseif nbyte == _Byte.r then
-- Color end
pos = pos + 2
else
-- must be ||
return pos, true
end
else
return pos
end
end
end
local function checkUTF8(str, pos)
local code, len = decode(str, pos)
return len and (pos + len - 1) or pos
end
local function skipPrevColor(str, pos)
while pos > 0 do
local byte = strbyte(str, pos)
if byte == _Byte.r then
if getPrevVerticalCount(str, pos - 1) % 2 == 1 then
pos = pos - 2
else
return pos
end
elseif pos >= 10 and strbyte(str, pos - 8) == _Byte.c and getPrevVerticalCount(str, pos - 9) % 2 == 1 then
pos = pos - 10
else
return pos
end
end
end
local function checkPrevUTF8(str, pos)
while pos > 0 do
local byte = strbyte(str, pos)
if byte < 0x80 then
if byte == _Byte.VERTICAL then
return pos - 1
end
return pos -- 1-byte
elseif byte >= 0xC0 then
return pos
end
pos = pos - 1
end
end
local function removeColor(str)
local start = 1
local pos = 1
local npos, isv
local count = 0
wipe(_Temp)
while pos <= #str do
npos, isv = skipColor(str, pos)
if npos ~= pos then
count = count + 1
_Temp[count] = str:sub(start, pos - 1)
start = npos
end
pos = npos + (isv and 2 or 1)
end
count = count + 1
_Temp[count] = str:sub(start, -1)
local result = tblconcat(_Temp)
wipe(_Temp)
return result
end
local function updateLineNum(self, try)
local editor = self.__Editor
local linenum = self.__LineNum
if not linenum:IsShown() then return end
local font, height, flag= editor:GetFont()
local spacing = editor:GetSpacing()
local left, right = editor:GetTextInsets()
local lineWidth = editor:GetWidth() - left - right
local lineHeight = height + spacing
-- Wait for one phase
if not font then return not try and Next(updateLineNum, self, true) end
local text = editor:GetText()
local index = 0
local count = 0
local extra = 0
local lines = linenum.Lines or {}
linenum.Lines = lines
linenum:SetHeight(editor:GetHeight() + 10)
_TestFontString:SetFont(font, height, flag)
_TestFontString:SetSpacing(spacing)
_TestFontString:SetIndentedWordWrap(editor:GetIndentedWordWrap())
_TestFontString:SetWidth(lineWidth)
for _, line in strsplit(text, "\n") do
index = index + 1
count = count + 1
lines[count] = index
_TestFontString:SetText(line)
extra = _TestFontString:GetStringHeight() / lineHeight
extra = floor(extra) - 1
for i = 1, extra do
count = count + 1
lines[count] = ""
end
end
for i = #lines, count + 1, -1 do
lines[i] = nil
end
linenum:SetText(tblconcat(lines, "\n"))
end
local function replaceBlock(str, startp, endp, replace)
return startp and (str:sub(1, startp - 1) .. replace .. str:sub(endp + 1, -1)) or str
end
local function getLines(str, startp, endp)
endp = endp and (endp + 1) or endp == nil and (startp + 1) or endp
-- get prev LineBreak
while startp > 0 do
local byte = strbyte(str, startp)
if not byte or byte == _Byte.LINEBREAK_N or byte == _Byte.LINEBREAK_R then
break
end
startp = startp - 1
end
startp = startp + 1
if not endp then return startp end
-- get next LineBreak
while true do
local byte = strbyte(str, endp)
if not byte or byte == _Byte.LINEBREAK_N or byte == _Byte.LINEBREAK_R then
break
end
endp = endp + 1
end
endp = endp - 1
-- get block
return startp, endp
end
local function getByteType(byte)
return _Puncs[byte] and BYTE_PUNC_KIND or _Spaces[byte] and BYTE_SPACE_KIND or byte and BYTE_WORD_KIND
end
local function getWord(str, pos, notail, nopre)
local startp, endp = getLines(str, pos)
if startp > endp then return end
local pretype, tailtype
-- Check the match type
if not notail then
tailtype = getByteType(strbyte(str, (skipColor(str, pos + 1)))) or -1
end
if tailtype == 0 or nopre then
pretype = 0
else
pretype = getByteType(strbyte(str, skipPrevColor(str, pos))) or -1
end
-- Match the word
local prev, tail = pos + 1, pos
if not nopre then
repeat
prev = skipPrevColor(str, prev - 1)
until not prev or prev < startp or getByteType(strbyte(str, prev)) ~= pretype
prev = prev and (prev + 1) or 1
end
if not notail then
local isv
repeat
tail, isv = skipColor(str, tail + (isv and 2 or 1))
until not tail or tail > endp or getByteType(strbyte(str, tail)) ~= tailtype
tail = tail - 1
end
return prev, tail
end
local function inString(str, pos)
local startp, endp = getLines(str, pos)
if startp > endp then return false end
local byte = strbyte(str, startp)
local isString = 0
local preEscape = false
while byte and startp <= pos do
if not preEscape then
if byte == _Byte.SINGLE_QUOTE then
if isString == 0 then
isString = 1
elseif isString == 1 then
isString = 0
end
elseif byte == _Byte.DOUBLE_QUOTE then
if isString == 0 then
isString = 2
elseif isString == 2 then
isString = 0
end
end
end
if byte == _Byte.BACKSLASH then
preEscape = not preEscape
else
preEscape = false
end
startp = startp + 1
byte = strbyte(str, startp)
end
return isString == 1 and _Byte.SINGLE_QUOTE or isString == 2 and _Byte.DOUBLE_QUOTE
end
local function endPrevKey(self)
if self._SKIPCURCHGARROW then
self._SKIPCURCHGARROW = nil
self._SKIPCURCHG = nil
end
self._InPasting = false
self._DownOffset = false
end
local function isKeyPressed(self, key)
return _KeyScan.FocusEditor == self and _KeyScan.ActiveKeys[key] or false
end
local function getLinesByReturn(str, startp, returnCnt)
local byte
local handledReturn = 0
local endp = startp + 1
returnCnt = returnCnt or 0
-- get prev LineBreak
while startp > 0 do
byte = strbyte(str, startp)
if not byte or byte == _Byte.LINEBREAK_N or byte == _Byte.LINEBREAK_R then
break
end
startp = startp - 1
end
startp = startp + 1
-- get next LineBreak
while true do
byte = strbyte(str, endp)
if not byte then
break
elseif byte == _Byte.LINEBREAK_N or byte == _Byte.LINEBREAK_R then
returnCnt = returnCnt - 1
if returnCnt < 0 then
break
end
handledReturn = handledReturn + 1
end
endp = endp + 1
end
endp = endp - 1
-- get block
return startp, endp, handledReturn
end
local function getPrevLinesByReturn(str, startp, returnCnt)
local byte
local handledReturn = 0
local endp = startp + 1
returnCnt = returnCnt or 0
-- get prev LineBreak
while true do
byte = strbyte(str, endp)
if not byte or byte == _Byte.LINEBREAK_N or byte == _Byte.LINEBREAK_R then
break
end
endp = endp + 1
end
endp = endp - 1
local prevReturn
-- get prev LineBreak
while startp > 0 do
byte = strbyte(str, startp)
if not byte then
break
elseif byte == _Byte.LINEBREAK_N or byte == _Byte.LINEBREAK_R then
returnCnt = returnCnt - 1
if returnCnt < 0 then
break
end
prevReturn = startp
handledReturn = handledReturn + 1
end
startp = startp - 1
end
if not prevReturn or prevReturn > startp + 1 then
startp = startp + 1
end
-- get block
return startp, endp, handledReturn
end
local function getOffsetByCursorPos(str, cursorPos)
if not cursorPos or cursorPos <= 0 then return 0 end
local startp = getLines(str, cursorPos, false)
local byteCnt, isv = 0
while startp <= cursorPos do
startp, isv = skipColor(str, startp)
byteCnt = byteCnt + 1
startp = startp + (isv and 2 or 1)
end
return byteCnt
end
local function getCursorPosByOffset(str, cursorPos, offset)
local startp, endp = getLines(str, cursorPos)
startp = startp - 1
local byteCnt, isv = 0
while byteCnt < offset and startp <= endp do
startp, isv = skipColor(str, startp)
byteCnt = byteCnt + 1
startp = startp + (isv and 2 or 1)
end
return startp
end
_IndentFunc = _IndentFunc or {}
_ShiftIndentFunc = _ShiftIndentFunc or {}
do
setmetatable(_IndentFunc, {
__index = function(self, key)
if tonumber(key) then
local tab = floor(tonumber(key))
if tab > 0 then
if not rawget(self, key) then
rawset(self, key, function(str)
return strrep(" ", tab) .. str
end)
end
return rawget(self, key)
end
end
end,
})
setmetatable(_ShiftIndentFunc, {
__index = function(self, key)
if tonumber(key) then
local tab = floor(tonumber(key))
if tab > 0 then
if not rawget(self, key) then
rawset(self, key, function(str)
local _, len = str:find("^%s+")
if len and len > 0 then
return strrep(" ", len - tab) .. str:sub(len + 1, -1)
end
end)
end
return rawget(self, key)
end
end
end,
})
wipe(_IndentFunc)
wipe(_ShiftIndentFunc)
end
------------------------------------------------------
-- Code Helpers
------------------------------------------------------
_INPUTCHAR = _Operation.INPUTCHAR
_BACKSPACE = _Operation.BACKSPACE
_UTF8_Three_Char = 224
_UTF8_Two_Char = 192
_IndentNone = 0
_IndentRight = 1
_IndentLeft = 2
_IndentBoth = 3
_EndColor = "|r"
-- Token
_Token = {
UNKNOWN = 0,
LINEBREAK = 1,
SPACE = 2,
OPERATOR = 3,
LEFTBRACKET = 4,
RIGHTBRACKET = 5,
LEFTPAREN = 6,
RIGHTPAREN = 7,
LEFTWING = 8,
RIGHTWING = 9,
COMMA = 10,
SEMICOLON = 11,
COLON = 12,
HASH = 13,
NUMBER = 14,
COLORCODE_START = 15,
COLORCODE_END = 16,
COMMENT = 17,
STRING = 18,
ASSIGNMENT = 19,
EQUALITY = 20,
PERIOD = 21,
DOUBLEPERIOD = 22,
TRIPLEPERIOD = 23,
LT = 24,
LTE = 25,
GT = 26,
GTE = 27,
NOTEQUAL = 28,
TILDE = 29,
IDENTIFIER = 30,
VERTICAL = 31,
}
_WordWrap = {
[0] = _IndentNone, -- UNKNOWN
_IndentNone, -- LINEBREAK
_IndentNone, -- SPACE
_IndentBoth, -- OPERATOR
_IndentNone, -- LEFTBRACKET
_IndentNone, -- RIGHTBRACKET
_IndentNone, -- LEFTPAREN
_IndentNone, -- RIGHTPAREN
_IndentNone, -- LEFTWING
_IndentNone, -- RIGHTWING
_IndentRight, -- COMMA
_IndentNone, -- SEMICOLON
_IndentNone, -- COLON
_IndentLeft, -- HASH
_IndentNone, -- NUMBER
_IndentNone, -- COLORCODE_START
_IndentNone, -- COLORCODE_END
_IndentNone, -- COMMENT
_IndentNone, -- STRING
_IndentBoth, -- ASSIGNMENT
_IndentBoth, -- EQUALITY
_IndentNone, -- PERIOD
_IndentBoth, -- DOUBLEPERIOD
_IndentNone, -- TRIPLEPERIOD
_IndentBoth, -- LT
_IndentBoth, -- LTE
_IndentBoth, -- GT
_IndentBoth, -- GTE
_IndentBoth, -- NOTEQUAL
_IndentNone, -- TILDE
_IndentNone, -- IDENTIFIER
_IndentNone, -- VERTICAL
}
-- Words
_KeyWord = {
["and"] = _IndentNone,
["break"] = _IndentNone,
["do"] = _IndentRight,
["else"] = _IndentBoth,
["elseif"] = _IndentLeft,
["end"] = _IndentLeft,
["false"] = _IndentNone,
["for"] = _IndentNone,
["function"] = _IndentRight,
["if"] = _IndentNone,
["in"] = _IndentNone,
["local"] = _IndentNone,
["nil"] = _IndentNone,
["not"] = _IndentNone,
["or"] = _IndentNone,
["repeat"] = _IndentRight,
["return"] = _IndentNone,
["then"] = _IndentRight,
["true"] = _IndentNone,
["until"] = _IndentLeft,
["while"] = _IndentNone,
-- Loop
["class"] = _IndentNone,
["inherit"] = _IndentNone,
["import"] = _IndentNone,
["event"] = _IndentNone,
["property"] = _IndentNone,
["namespace"] = _IndentNone,
["enum"] = _IndentNone,
["struct"] = _IndentNone,
["interface"] = _IndentNone,
["extend"] = _IndentNone,
}
-- Special
_Special = {
-- LineBreak
[_Byte.LINEBREAK_N] = _Token.LINEBREAK,
[_Byte.LINEBREAK_R] = _Token.LINEBREAK,
-- Space
[_Byte.SPACE] = _Token.SPACE,
[_Byte.TAB] = _Token.SPACE,
-- String
[_Byte.SINGLE_QUOTE] = -1,
[_Byte.DOUBLE_QUOTE] = -1,
-- Operator
[_Byte.MINUS] = -1, -- need check
[_Byte.PLUS] = _Token.OPERATOR,
[_Byte.SLASH] = _Token.OPERATOR,
[_Byte.ASTERISK] = _Token.OPERATOR,
[_Byte.PERCENT] = _Token.OPERATOR,
-- Compare
[_Byte.LESSTHAN] = -1,
[_Byte.GREATERTHAN] = -1,
[_Byte.EQUALS] = -1,
-- Parentheses
[_Byte.LEFTBRACKET] = -1,
[_Byte.RIGHTBRACKET] = _Token.RIGHTBRACKET,
[_Byte.LEFTPAREN] = _Token.LEFTPAREN,
[_Byte.RIGHTPAREN] = _Token.RIGHTPAREN,
[_Byte.LEFTWING] = _Token.LEFTWING,
[_Byte.RIGHTWING] = _Token.RIGHTWING,
-- Punctuation
[_Byte.PERIOD] = -1,
[_Byte.COMMA] = _Token.COMMA,
[_Byte.SEMICOLON] = _Token.SEMICOLON,
[_Byte.COLON] = _Token.COLON,
[_Byte.TILDE] = -1,
[_Byte.HASH] = _Token.HASH,
-- WOW
[_Byte.VERTICAL] = -1,
}
-- Code Auto Completion
_List = ListFrame("Scorpio_CodeEditor_AutoComplete", UIParent)
_List:SetFrameStrata("TOOLTIP")
_List:SetWidth(250)
_List:Hide()
_AutoCacheKeys = List()
_AutoCacheItems = {}
_AutoWordWeightCache = {}
_AutoWordMap = {}
_Recycle = {}
_RecycleLast = 0
_AutoCheckKey = ""
_AutoCheckWord = ""
_BackAutoCache = {}
_CommonAutoCompleteList = {}
local function compare(t1, t2)
t1 = t1 or ""
t2 = t2 or ""
local ut1 = strupper(t1)
local ut2 = strupper(t2)
if ut1 == ut2 then
return t1 < t2
else
return ut1 < ut2
end
end
local function compareWeight(t1, t2)
return (_AutoWordWeightCache[t1] or 0) < (_AutoWordWeightCache[t2] or 0)
end
local function getIndex(list, name, sIdx, eIdx)
if not sIdx then
if not next(list) then return 0 end
sIdx = 1
eIdx = #list
-- Border check
if compare(name, list[sIdx]) then
return 0
elseif compare(list[eIdx], name) then
return eIdx
end
end
if sIdx == eIdx then return sIdx end
local f = floor((sIdx + eIdx) / 2)
if compare(name, list[f+1]) then
return getIndex(list, name, sIdx, f)
else
return getIndex(list, name, f+1, eIdx)
end
end
local function transMatchWord(w)
return "(["..w:lower()..w:upper().."])([%w_]-)"
end
local function applyColor(...)
local ret = ""
local word = ""
local pos = 0
local weight = 0
local n = select('#', ...)
for i = 1, n do
word = select(i, ...)
if i % 2 == 1 then
pos = floor((i+1)/2)
ret = ret .. Color.WHITE .. word .. Color.CLOSE
if word ~= _AutoCheckKey:sub(pos, pos) then
weight = weight + 1
end
else
ret = ret .. Color.GRAY .. word .. Color.CLOSE
if i < n then
weight = weight + word:len()
end
end
end
_AutoWordWeightCache[_AutoCheckWord] = weight
_AutoWordMap[_AutoCheckWord] = ret
return ret
end
local function initCommonList()
local index = 0
for i, v in ipairs{ "math", "string", "bit", "table", "coroutine" } do
index = i
_CommonAutoCompleteList[i] = v
end
for k, v in pairs(_G) do
if type(k) == "string" and (type(v) == "function" and not k:find("_") or type(v) == "table" and k:match("^C_")) then
index = index + 1
_CommonAutoCompleteList[index] = k
if index % 10 == 0 then
Continue()
end
end
end
Continue()
List(_CommonAutoCompleteList):QuickSort(compare)
end
local function applyAutoComplete(self)
local owner = self.__Owner
_List:Hide()
if _CommonAutoCompleteList[1] or owner.AutoCompleteList[1] then
-- Handle the auto complete
local fullText = self:GetText()
local startp, endp = getWord(fullText, self:GetCursorPosition(), true)
local word = startp and fullText:sub(startp, endp)
if startp then
local sp, ep = getWord(fullText, startp - 1, true)
if sp and sp == ep then
local byte = strbyte(fullText, sp)
if byte == _Byte.PERIOD or byte == _Byte.COLON then
-- handle it later
if true then return end
local p = getWord(fullText, sp - 1, true)
end
end
end
word = word and removeColor(word)
wipe(_AutoCacheKeys)
wipe(_AutoWordMap)
wipe(_AutoWordWeightCache)
if word and word:match("^[%w_]+$") then
word = word:sub(1, 16)
_AutoCheckKey = word
word = word:lower()
-- Match the auto complete list
local uword = "^" .. word:gsub("[%w_]", transMatchWord) .. "$"
local header = word:sub(1, 1)
if not header or #header == 0 then return end
local lst = owner.AutoCompleteList
local sIdx = getIndex(lst, header)
if sIdx == 0 then sIdx = 1 end
for i = sIdx, #lst do
local value = lst[i]
if #value == 0 or compare(header, value:sub(1, 1)) then break end
_AutoCheckWord = value
if _AutoCheckWord:match(uword) then
_AutoCheckWord:gsub(uword, applyColor)
tinsert(_AutoCacheKeys, _AutoCheckWord)
end
end
lst = _CommonAutoCompleteList
sIdx = getIndex(lst, header)
if sIdx == 0 then sIdx = 1 end
for i = sIdx, #lst do
local value = lst[i]
if not _AutoWordMap[value] then
if #value == 0 or compare(header, value:sub(1, 1)) then break end
_AutoCheckWord = value
if _AutoCheckWord:match(uword) then
_AutoCheckWord:gsub(uword, applyColor)
tinsert(_AutoCacheKeys, _AutoCheckWord)
end
end
end
_AutoCacheKeys:QuickSort(compareWeight)
if #_AutoCacheKeys == 1 and _AutoCacheKeys[1] == _AutoCheckKey then
wipe(_AutoCacheKeys)
end
end
for i, v in ipairs(_AutoCacheKeys) do
local item = _AutoCacheItems[i]
if not item then
if _RecycleLast > 0 then
item= _Recycle[_RecycleLast]
_Recycle[_RecycleLast] = nil
_RecycleLast = _RecycleLast - 1
else
item= {}
end
end
item.checkvalue = v
item.text = _AutoWordMap[v]
--item.tiptitle = text.tiptitle
--item.tiptext = text.tiptext
_AutoCacheItems[i] = item
end
for i = #_AutoCacheItems, #_AutoCacheKeys + 1, -1 do
_RecycleLast = _RecycleLast + 1
_Recycle[_RecycleLast] = _AutoCacheItems[i]
_AutoCacheItems[i] = nil
end
-- Refresh the item
_List.RawItems = _AutoCacheItems
end
end
local autoCompleteEditor
local autoCompleteTime
local taskStarted
local autoComplete_x
local autoComplete_y
local autoComplete_w
local autoComplete_h
local function processAutoComplete()
while autoCompleteEditor do
if autoCompleteEditor and autoCompleteTime <= GetTime() then
applyAutoComplete( autoCompleteEditor )
if #_AutoCacheItems > 0 and autoCompleteEditor:HasFocus() then
_List.CurrentEditor = autoCompleteEditor
local owner = autoCompleteEditor.__Owner
local linenum = owner.__LineNum
local marginx = linenum:IsShown() and linenum:GetWidth() or 0
-- Handle the auto complete
_List:ClearAllPoints()
_List:SetPoint("TOPLEFT", owner, autoComplete_x + marginx, autoComplete_y - autoComplete_h + Style[owner].ScrollBar.value)
_List:Show()
_List.SelectedIndex = 1
else
_List.CurrentEditor = nil
_List:Hide()
end
autoCompleteEditor = nil
end
Next()
end
taskStarted = false
end
local function registerAutoComplete(self, x, y, w, h)
autoCompleteEditor = self
autoCompleteTime = GetTime() + self.__Owner.AutoCompleteDelay
autoComplete_x = x
autoComplete_y = y
autoComplete_w = w
autoComplete_h = h
if not taskStarted then
taskStarted = true
-- Tiny cost for all editor
Continue(processAutoComplete)
end
end
local function initDefinition(self)
self._IdentifierCache = self._IdentifierCache or {}
wipe(self._IdentifierCache)
local owner = self.__Owner
owner:ClearAutoCompleteList()
for k in pairs(_KeyWord) do
self._IdentifierCache[k] = true
owner:InsertAutoCompleteWord(k)
end
-- Operation Keep List
self._OperationStack = OperationStack(owner.MaxOperationCount)
-- Clear now operation
self._OperationOnLine = nil
self._OperationBackUpOnLine = nil
self._OperationStartOnLine = nil
self._OperationEndOnLine = nil
end
-- Token
local function nextNumber(str, pos, noPeriod, cursorPos, trueWord, newPos)
pos = pos or 1
newPos = newPos or 0
cursorPos = cursorPos or 0
-- just match, don't care error
local e = 0
local startPos = pos
local cnt = 0
local isHex = true
-- Number
while true do
local npos = skipColor(str, pos)
if npos ~= pos then
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
pos = npos
startPos = pos
end
local byte = strbyte(str, pos)
if not byte then break end
cnt = cnt + 1
if cnt == 1 and byte ~= _Byte.ZERO then isHex = false end
if isHex and cnt == 2 and byte ~= _Byte.x and byte ~= _Byte.X then isHex = false end
if isHex then
if cnt > 2 then
if (byte >= _Byte.ZERO and byte <= _Byte.NINE) or (byte >= _Byte.a and byte <= _Byte.f) or (byte >= _Byte.A and byte <= _Byte.F) then
-- continue
else
break
end
end
else
if byte >= _Byte.ZERO and byte <= _Byte.NINE then
if e == 1 then e = 2 end
elseif byte == _Byte.E or byte == _Byte.e then
if e == 0 then e = 1 else break end
elseif not noPeriod and e == 0 and byte == _Byte.PERIOD then
-- '.' only work before 'e'
noPeriod = true
elseif e == 1 and (byte == _Byte.MINUS or byte == _Byte.PLUS) then
e = 2
else
break
end
end
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + 1
end
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
return pos, trueWord, newPos
end
local function nextComment(str, pos, cursorPos, trueWord, newPos)
pos = pos or 1
newPos = newPos or 0
cursorPos = cursorPos or 0
local markLen = 0
local dblBrak = false
local startPos = pos
-- Skip the color part
local npos, isv = skipColor(str, pos)
if npos ~= pos then
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
pos = npos
startPos = pos
end
local byte = strbyte(str, pos)
if byte == _Byte.LEFTBRACKET then
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + 1
while true do
npos, isv = skipColor(str, pos)
if npos ~= pos then
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
pos = npos
startPos = pos
end
byte = strbyte(str, pos)
if not byte then
break
elseif byte == _Byte.EQUALS then
markLen = markLen + 1
elseif byte == _Byte.LEFTBRACKET then
dblBrak = true
else
break
end
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + 1
if dblBrak then break end
end
end
if dblBrak then
--[==[...]==]
while true do
npos, isv = skipColor(str, pos)
if npos ~= pos then
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
pos = npos
startPos = pos
end
byte = strbyte(str, pos)
if not byte then
break
elseif byte == _Byte.RIGHTBRACKET then
local len = 0
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + 1
while true do
npos, isv = skipColor(str, pos)
if npos ~= pos then
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
pos = npos
startPos = pos
end
byte = strbyte(str, pos)
if byte == _Byte.EQUALS then
len = len + 1
else
break
end
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + 1
end
if not byte then
break
elseif len == markLen and byte == _Byte.RIGHTBRACKET then
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + 1
break
end
end
if pos <= cursorPos then
newPos = newPos + (isv and 2 or 1)
end
pos = pos + (isv and 2 or 1)
end
else
--...
while true do
npos, isv = skipColor(str, pos)
if npos ~= pos then
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
pos = npos
startPos = pos
end
byte = strbyte(str, pos)
if not byte or byte == _Byte.LINEBREAK_N or byte == _Byte.LINEBREAK_R then
break
end
if pos <= cursorPos then
newPos = newPos + (isv and 2 or 1)
end
pos = pos + (isv and 2 or 1)
end
end
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
return pos, trueWord, newPos
end
local function nextString(str, pos, mark, cursorPos, trueWord, newPos)
pos = pos or 1
cursorPos = cursorPos or 0
newPos = newPos or 0
local preEscape = false
local startPos = pos
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + 1
while true do
local npos, isv = skipColor(str, pos)
if npos ~= pos then
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
pos = npos
startPos = pos
end
local byte = strbyte(str, pos)
if not byte or byte == _Byte.LINEBREAK_N or byte == _Byte.LINEBREAK_R then
break
end
if not preEscape and byte == mark then
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + 1
break
end
if byte == _Byte.BACKSLASH then
preEscape = not preEscape
else
preEscape = false
end
if pos <= cursorPos then
newPos = newPos + (isv and 2 or 1)
end
pos = pos + (isv and 2 or 1)
end
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
return pos, trueWord, newPos
end
local function nextIdentifier(str, pos, cursorPos, trueWord, newPos)
pos = pos or 1
cursorPos = cursorPos or 0
newPos = newPos or 0
local startPos = pos
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + 1
while true do
local npos, isv = skipColor(str, pos)
if npos ~= pos then
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
pos = npos
startPos = pos
end
local byte = strbyte(str, pos)
if not byte then
break
elseif byte == _Byte.SPACE or byte == _Byte.TAB then
break
elseif _Special[byte] then
break
end
if pos <= cursorPos then
newPos = newPos + 1
end
pos = pos + (isv and 2 or 1)
end
trueWord = trueWord and trueWord .. str:sub(startPos, pos - 1)
return pos, trueWord, newPos
end
local function nextToken(str, pos, cursorPos, needTrueWord)
pos = pos or 1
cursorPos = cursorPos or 0
if not str then return nil, pos end
local byte = strbyte(str, pos)
local start = pos
if not byte then return nil, pos end
-- Space
if byte == _Byte.SPACE or byte == _Byte.TAB then
while true do
pos = pos + 1
byte = strbyte(str, pos)
if not byte or (byte ~= _Byte.SPACE and byte ~= _Byte.TAB) then
return _Token.SPACE, pos, needTrueWord and str:sub(start, pos - 1)
end
end
end
-- Special character
if _Special[byte] then
if _Special[byte] >= 0 then
return _Special[byte], pos + 1, needTrueWord and str:sub(start, pos)
elseif _Special[byte] == -1 then
if byte == _Byte.VERTICAL then
-- '|'
pos = pos + 1
byte = strbyte(str, pos)
if byte == _Byte.c then
--[[for i = pos + 1, pos + 8 do
byte = strbyte(str, i)
if i <= pos + 2 then
if byte ~= _Byte.f then
return _Token.UNKNOWN, pos
end
else
if not ( ( byte >= _Byte.ZERO and byte <= _Byte.NINE ) or ( byte >= _Byte.a and byte <= _Byte.f ) ) then
return _Token.UNKNOWN, pos
end
end
end--]]
-- mark as '|cff20ff20'
return _Token.COLORCODE_START, pos + 9, ""
elseif byte == _Byte.r then
-- mark '|r'
return _Token.COLORCODE_END, pos + 1, ""
elseif byte == _Byte.VERTICAL then
return _Token.VERTICAL, pos + 1
else
-- don't know
return _Token.UNKNOWN, pos
end
elseif byte == _Byte.MINUS then
-- '-'
pos = skipColor(str, pos + 1)
byte = strbyte(str, pos)
if byte == _Byte.MINUS then
-- '--'
return _Token.COMMENT, nextComment(str, pos + 1, cursorPos, needTrueWord and "--", 2)
else
-- '-'
return _Token.OPERATOR, pos, "-", 1
end
elseif byte == _Byte.SINGLE_QUOTE or byte == _Byte.DOUBLE_QUOTE then
-- ' || "
return _Token.STRING, nextString(str, pos, byte, cursorPos, needTrueWord and "")
elseif byte == _Byte.LEFTBRACKET then
local chkPos = pos
local dblBrak = false
-- '['
pos = pos + 1
while true do
pos = skipColor(str, pos)
byte = strbyte(str, pos)
if not byte then
break
elseif byte == _Byte.EQUALS then
elseif byte == _Byte.LEFTBRACKET then
dblBrak = true
break
else
break
end
pos = pos + 1
end
if dblBrak then
return _Token.STRING, nextComment(str, chkPos, cursorPos, needTrueWord and "")
else
return _Token.LEFTBRACKET, chkPos + 1, "[", 1
end
elseif byte == _Byte.EQUALS then
-- '='
pos = skipColor(str, pos + 1)
byte = strbyte(str, pos)
if byte == _Byte.EQUALS then
return _Token.EQUALITY, pos + 1, "==", 2
else
return _Token.ASSIGNMENT, pos, "=", 1
end
elseif byte == _Byte.PERIOD then
-- '.'
pos = skipColor(str, pos + 1)
byte = strbyte(str, pos)
if not byte then
return _Token.PERIOD, pos, ".", 1
elseif byte == _Byte.PERIOD then
pos = skipColor(str, pos + 1)
byte = strbyte(str, pos)
if byte == _Byte.PERIOD then
return _Token.TRIPLEPERIOD, pos + 1, "...", 3
else
return _Token.DOUBLEPERIOD, pos, "..", 2
end
elseif byte >= _Byte.ZERO and byte <= _Byte.NINE then
return _Token.NUMBER, nextNumber(str, pos, true, cursorPos, needTrueWord and ".", 1)
else
return _Token.PERIOD, pos, ".", 1
end
elseif byte == _Byte.LESSTHAN then
-- '<'
pos = skipColor(str, pos + 1)
byte = strbyte(str, pos)
if byte == _Byte.EQUALS then
return _Token.LTE, pos + 1, "<=", 2
else
return _Token.LT, pos, "<", 1
end
elseif byte == _Byte.GREATERTHAN then
-- '>'
pos = skipColor(str, pos + 1)
byte = strbyte(str, pos)
if byte == _Byte.EQUALS then
return _Token.GTE, pos + 1, ">=", 2
else
return _Token.GT, pos, ">", 1
end
elseif byte == _Byte.TILDE then
-- '~'
pos = skipColor(str, pos + 1)
byte = strbyte(str, pos)
if byte == _Byte.EQUALS then
return _Token.NOTEQUAL, pos + 1, "~=", 2
else
return _Token.TILDE, pos, "~", 1
end
else
return _Token.UNKNOWN, pos
end
end
end
-- Number
if byte >= _Byte.ZERO and byte <= _Byte.NINE then
return _Token.NUMBER, nextNumber(str, pos, nil, cursorPos, needTrueWord and "")
end
-- Identifier
return _Token.IDENTIFIER, nextIdentifier(str, pos, cursorPos, needTrueWord and "")
end
-- Color
local function formatColor(self, str, cursorPos)
local pos = 1
local token
local content = {}
local cindex = 0
local nextPos
local trueWord
local word
local newPos
local owner = self.__Owner
local defaultColor = tostring(owner.DefaultColor)
local commentColor = tostring(owner.CommentColor)
local stringColor = tostring(owner.StringColor)
local numberColor = tostring(owner.NumberColor)
local instructionColor = tostring(owner.InstructionColor)
local functionColor = tostring(owner.FunctionColor)
local attrcolor = tostring(owner.AttributeColor)
cursorPos = cursorPos or 0
local chkLength = 0
local newCurPos = 0
local prevIdentifier
local skipNextColorEnd = false
while true do
token, nextPos, trueWord, newPos = nextToken(str, pos, cursorPos, true)
if not token then break end
word = trueWord or str:sub(pos, nextPos - 1)
newPos = newPos or word:len()
cindex = cindex + 1
if token == _Token.COLORCODE_START or token == _Token.COLORCODE_END then
-- clear prev colorcode
content[cindex] = ""
elseif token == _Token.IDENTIFIER then
if _KeyWord[word] then
prevIdentifier = nil
content[cindex] = instructionColor .. word .. _EndColor
else
prevIdentifier = cindex
content[cindex] = defaultColor .. word .. _EndColor
end
elseif token == _Token.NUMBER then
prevIdentifier = nil
content[cindex] = numberColor .. word .. _EndColor
elseif token == _Token.STRING then
prevIdentifier = nil
content[cindex] = stringColor .. word .. _EndColor
elseif token == _Token.COMMENT then
prevIdentifier = nil
content[cindex] = commentColor .. word .. _EndColor
else
content[cindex] = word
if token == _Token.SPACE or token == _Token.LEFTPAREN then
if prevIdentifier and token == _Token.LEFTPAREN then
-- Replace the function call's color
local c = content[prevIdentifier]:sub(#defaultColor + 1, -3)
if c:match("^__.*__$") then
content[prevIdentifier] = attrcolor .. c .. _EndColor
else
content[prevIdentifier] = functionColor .. c .. _EndColor
end
prevIdentifier = nil
end
else
prevIdentifier = nil
end
end
-- Check cursor position
if chkLength < cursorPos then
chkLength = chkLength + nextPos - pos
if chkLength >= cursorPos then
if content[cindex]:len() > 0 and strbyte(content[cindex], 1) == _Byte.VERTICAL and strbyte(content[cindex], 2) ~= _Byte.VERTICAL then
if chkLength == cursorPos then
newCurPos = newCurPos + newPos + 12
else
newCurPos = newCurPos + newPos + 10
end
elseif token == _Token.COLORCODE_END then
-- skip
else
newCurPos = newCurPos + newPos
end
else
newCurPos = newCurPos + content[cindex]:len()
end
end
pos = nextPos
end
return tblconcat(content), newCurPos
end
-- Indent
local function formatIndent(self, str, cursorPos)
local pos = 1
local token
local content = {}
local cindex = 0
local indent = 0
local nextPos
local word
local rightSpace = false
local index
local prevIndent = 0
local startIndent = 0
local prevToken
local trueWord
local oposQueue = cursorPos and Queue()
local tab = self.__Owner.TabWidth
while true do
prevToken = token
token, nextPos, trueWord, newPos = nextToken(str, pos, cursorPos, true)
if not token then break end
word = str:sub(pos, nextPos - 1)
trueWord = trueWord or word
if cursorPos then oposQueue:Enqueue(pos, nextPos - 1) end
-- Format Indent
if token == _Token.LEFTWING then
indent = indent + 1
startIndent = startIndent + 1
cindex = cindex + 1
content[cindex] = word
if cursorPos then oposQueue:Enqueue(cindex) end
rightSpace = false
elseif token == _Token.RIGHTWING then
indent = indent - 1
if startIndent > 0 then
startIndent = startIndent - 1
else
prevIndent = prevIndent + 1
end
if content[cindex] == strrep(" ", tab * (indent+1)) then
content[cindex] = strrep(" ", tab * indent)
end
cindex = cindex + 1
content[cindex] = word
if cursorPos then oposQueue:Enqueue(cindex) end
rightSpace = false
elseif token == _Token.LINEBREAK then
if rightSpace then
content[cindex] = content[cindex]:gsub("^(.-)%s*$", "%1")
if content[cindex] == "" then
content[cindex] = strrep(" ", tab * indent)
end
end
cindex = cindex + 1
content[cindex] = word
if cursorPos then oposQueue:Enqueue(cindex) end
cindex = cindex + 1
content[cindex] = strrep(" ", tab * indent)
rightSpace = true
elseif token == _Token.SPACE then
if not rightSpace then
cindex = cindex + 1
content[cindex] = " "
if cursorPos then oposQueue:Enqueue(cindex) end
else
if cursorPos then oposQueue:Enqueue(0) end
end
rightSpace = true
elseif token == _Token.IDENTIFIER then
if _KeyWord[trueWord] then
if _KeyWord[trueWord] == _IndentNone then
indent = indent
elseif _KeyWord[trueWord] == _IndentRight then
indent = indent + 1
startIndent = startIndent + 1
elseif _KeyWord[trueWord] == _IndentLeft then
indent = indent - 1
if startIndent > 0 then
startIndent = startIndent - 1
else
prevIndent = prevIndent + 1
end
if prevToken == _Token.COLORCODE_START then
index = cindex - 1
else
index = cindex
end
if content[index] == strrep(" ", tab * (indent+1)) then
content[index] = strrep(" ", tab * indent)
end
elseif _KeyWord[trueWord] == _IndentBoth then
indent = indent
if startIndent == 0 then
prevIndent = prevIndent + 1
startIndent = startIndent + 1
end
if prevToken == _Token.COLORCODE_START then
index = cindex - 1
else
index = cindex
end
if content[index] == strrep(" ", tab * indent) then
content[index] = strrep(" ", tab * (indent-1))
end
end
cindex = cindex + 1
content[cindex] = word
if cursorPos then oposQueue:Enqueue(cindex) end
else
cindex = cindex + 1
content[cindex] = word
if cursorPos then oposQueue:Enqueue(cindex) end
if not self._IdentifierCache[word] then
self._IdentifierCache[word] = true
self.__Owner:InsertAutoCompleteWord(word)
end
end
rightSpace = false
elseif _WordWrap[token] == _IndentNone then
cindex = cindex + 1
content[cindex] = word
if cursorPos then oposQueue:Enqueue(cindex) end
rightSpace = false
elseif _WordWrap[token] == _IndentRight then
cindex = cindex + 1
content[cindex] = word .. " "
if cursorPos then oposQueue:Enqueue(cindex) end
rightSpace = true
elseif _WordWrap[token] == _IndentLeft then
if rightSpace then
cindex = cindex + 1
content[cindex] = word
else
cindex = cindex + 1
content[cindex] = " " .. word
end
if cursorPos then oposQueue:Enqueue(cindex) end
rightSpace = false
elseif _WordWrap[token] == _IndentBoth then
if rightSpace then
cindex = cindex + 1
content[cindex] = word .. " "
else
cindex = cindex + 1
content[cindex] = " " .. word .. " "
end
if cursorPos then oposQueue:Enqueue(cindex) end
rightSpace = true
else
cindex = cindex + 1
content[cindex] = word
if cursorPos then oposQueue:Enqueue(cindex) end
rightSpace = false
end
pos = nextPos
end
-- Get the new cursor pos
pos = 0
local previdx = 0
while cursorPos do
local s, e, idx = oposQueue:Dequeue(3)
if not s then
-- Meet the last position
cursorPos = pos
break
end
if e <= cursorPos then
while previdx < idx do
previdx = previdx + 1
pos = pos + #content[previdx]
end
else
if idx > 0 then
pos = pos + cursorPos - s + 1
end
cursorPos = pos
break
end
end
return tblconcat(content), indent, prevIndent, cursorPos
end
local function formatColor4Line(self, startp, endp)
local cursorPos = self:GetCursorPosition()
local text = self:GetText()
local byte
local line
local owner = self.__Owner
local commentColor = tostring(owner.CommentColor)
local stringColor = tostring(owner.StringColor)
startp = startp or cursorPos
endp = endp or cursorPos
-- Color the line
startp, endp = getLines(text, startp, endp)
-- check prev comment
local preColorPos = startp - 1
local token, nextPos
while preColorPos > 0 do
byte = strbyte(text, preColorPos)
if byte == _Byte.VERTICAL and strbyte(text, preColorPos - 1) ~= _Byte.VERTICAL then
-- '|'
byte = strbyte(text, preColorPos + 1)
if byte == _Byte.c then
if commentColor == text:sub(preColorPos, preColorPos + 9) or stringColor == text:sub(preColorPos, preColorPos + 9) then
-- check multi-lines comment or string
token, nextPos = nextToken(text, preColorPos + 10)
if token == _Token.COMMENT or token == _Token.STRING then
if nextPos < startp and nextPos < endp then
break -- no need to think about prev multi-lines comment and string
end
while token and (nextPos <= endp or nextPos <= startp) do
token, nextPos = nextToken(text, nextPos)
end
byte = strbyte(text, nextPos)
if not byte or (nextPos - 1 > endp and nextPos - 1 > startp) then
line, cursorPos = formatColor(self, text:sub(preColorPos, nextPos - 1), cursorPos - preColorPos + 1)
self:SetText(replaceBlock(text, preColorPos, nextPos - 1, line))
cursorPos = preColorPos + cursorPos - 1
return SetCursorPosition(self, cursorPos)
end
token, nextPos = nextToken(text, nextPos)
while token do
if token == _Token.COLORCODE_START or token == _Token.COLORCODE_END then
line, cursorPos = formatColor(self, text:sub(preColorPos, endp), cursorPos - preColorPos + 1)
self:SetText(replaceBlock(text, preColorPos, endp, line))
cursorPos = preColorPos + cursorPos - 1
return SetCursorPosition(self, cursorPos)
elseif token == _Token.IDENTIFIER or token == _Token.NUMBER or token == _Token.STRING or token == _Token.COMMENT then
while token and token ~= _Token.COLORCODE_END do
token, nextPos = nextToken(text, nextPos)
end
line, cursorPos = formatColor(self, text:sub(preColorPos, nextPos - 1), cursorPos - preColorPos + 1)
self:SetText(replaceBlock(text, preColorPos, nextPos - 1, line))
cursorPos = preColorPos + cursorPos - 1
return SetCursorPosition(self, cursorPos)
end
token, nextPos = nextToken(text, nextPos)
end
else
break
end
else
break
end
end
end
preColorPos = preColorPos - 1
end
nextPos = startp
token, nextPos = nextToken(text, nextPos)
while token and (nextPos <= endp or nextPos <= startp) do
token, nextPos = nextToken(text, nextPos)
end
if nextPos - 1 > endp and nextPos - 1 > startp then
line, cursorPos = formatColor(self, text:sub(startp, nextPos - 1), cursorPos - startp + 1)
self:SetText(replaceBlock(text, startp, nextPos - 1, line))
return SetCursorPosition(self, startp + cursorPos - 1)
end
while true do
if not token then
line, cursorPos = formatColor(self, text:sub(startp, endp), cursorPos - startp + 1)
self:SetText(replaceBlock(text, startp, endp, line))
return SetCursorPosition(self, startp + cursorPos - 1)
elseif token == _Token.COLORCODE_START or token == _Token.COLORCODE_END then
line, cursorPos = formatColor(self, text:sub(startp, endp), cursorPos - startp + 1)
self:SetText(replaceBlock(text, startp, endp, line))
return SetCursorPosition(self, startp + cursorPos - 1)
elseif token == _Token.IDENTIFIER or token == _Token.NUMBER or token == _Token.STRING or token == _Token.COMMENT then
while token and token ~= _Token.COLORCODE_END do
token, nextPos = nextToken(text, nextPos)
end
line, cursorPos = formatColor(self, text:sub(startp, nextPos - 1), cursorPos - startp + 1)
self:SetText(replaceBlock(text, startp, nextPos - 1, line))
return SetCursorPosition(self, startp + cursorPos - 1)
end
token, nextPos = nextToken(text, nextPos)
end
end
local function formatAll(self, str)
local owner = self.__Owner
local pos = 1
local tab = owner.TabWidth
local token
local content = {}
local cindex = 0
local nextPos
local trueWord
local word
local defaultColor = tostring(owner.DefaultColor)
local commentColor = tostring(owner.CommentColor)
local stringColor = tostring(owner.StringColor)
local numberColor = tostring(owner.NumberColor)
local instructionColor = tostring(owner.InstructionColor)
local functionColor = tostring(owner.FunctionColor)
local attrcolor = tostring(owner.AttributeColor)
local indent = 0
local rightSpace = false
local index
local prevIndent = 0
local startIndent = 0
local prevToken
local prevIdentifier
while true do
prevToken = token
token, nextPos, trueWord = nextToken(str, pos, nil, true)
if not token then break end
word = trueWord or str:sub(pos, nextPos - 1)
if token == _Token.COLORCODE_START or token == _Token.COLORCODE_END then
-- clear prev colorcode
cindex = cindex + 1
content[cindex] = ""
elseif token == _Token.LEFTWING then
indent = indent + 1
startIndent = startIndent + 1
cindex = cindex + 1
content[cindex] = word
rightSpace = false
prevIdentifier = nil
elseif token == _Token.RIGHTWING then
indent = indent - 1
if startIndent > 0 then
startIndent = startIndent - 1
else
prevIndent = prevIndent + 1
end
if content[cindex] == strrep(" ", tab * (indent+1)) then
content[cindex] = strrep(" ", tab * indent)
end
cindex = cindex + 1
content[cindex] = word
rightSpace = false
prevIdentifier = nil
elseif token == _Token.LINEBREAK then
if rightSpace then
content[cindex] = content[cindex]:gsub("^(.-)%s*$", "%1")
if content[cindex] == "" then
content[cindex] = strrep(" ", tab * indent)
end
end
cindex = cindex + 1
content[cindex] = word
cindex = cindex + 1
content[cindex] = strrep(" ", tab * indent)
rightSpace = true
prevIdentifier = nil
elseif token == _Token.SPACE then
if not rightSpace then
cindex = cindex + 1
content[cindex] = " "
end
rightSpace = true
elseif token == _Token.IDENTIFIER then
if _KeyWord[word] then
if _KeyWord[word] == _IndentNone then
indent = indent
elseif _KeyWord[word] == _IndentRight then
indent = indent + 1
startIndent = startIndent + 1
elseif _KeyWord[word] == _IndentLeft then
indent = indent - 1
if startIndent > 0 then
startIndent = startIndent - 1
else
prevIndent = prevIndent + 1
end
if prevToken == _Token.COLORCODE_START then
index = cindex - 1
else
index = cindex
end
if content[index] == strrep(" ", tab * (indent+1)) then
content[index] = strrep(" ", tab * indent)
end
elseif _KeyWord[word] == _IndentBoth then
indent = indent
if startIndent == 0 then
prevIndent = prevIndent + 1
startIndent = startIndent + 1
end
if prevToken == _Token.COLORCODE_START then
index = cindex - 1
else
index = cindex
end
if content[index] == strrep(" ", tab * indent) then
content[index] = strrep(" ", tab * (indent-1))
end
end
cindex = cindex + 1
content[cindex] = instructionColor .. word .. _EndColor
prevIdentifier = nil
else
cindex = cindex + 1
content[cindex] = defaultColor .. word .. _EndColor
prevIdentifier = cindex
word = removeColor(word)
if not self._IdentifierCache[word] then
self._IdentifierCache[word] = true
owner:InsertAutoCompleteWord(word)
end
end
rightSpace = false
else
if prevIdentifier and token == _Token.LEFTPAREN then
-- Replace the function call's color
local c = content[prevIdentifier]:sub(#defaultColor + 1, -3)
if c:match("^__.*__$") then
content[prevIdentifier] = attrcolor .. c .. _EndColor
else
content[prevIdentifier] = functionColor .. c .. _EndColor
end
prevIdentifier = nil
else
prevIdentifier = nil
end
if token == _Token.NUMBER then
cindex = cindex + 1
content[cindex] = numberColor .. word .. _EndColor
elseif token == _Token.STRING then
cindex = cindex + 1
content[cindex] = stringColor .. word .. _EndColor
elseif token == _Token.COMMENT then
cindex = cindex + 1
content[cindex] = commentColor .. word .. _EndColor
else
cindex = cindex + 1
content[cindex] = word
end
if _WordWrap[token] == _IndentNone then
rightSpace = false
elseif _WordWrap[token] == _IndentRight then
content[#content] = content[#content] .. " "
rightSpace = true
elseif _WordWrap[token] == _IndentLeft then
if not rightSpace then
content[#content] = " " .. content[#content]
end
rightSpace = false
elseif _WordWrap[token] == _IndentBoth then
if rightSpace then
content[cindex] = content[cindex] .. " "
else
content[cindex] = " " .. content[cindex] .. " "
end
rightSpace = true
else
rightSpace = false
end
end
pos = nextPos
end
return tblconcat(content)
end
local function refreshText(self)
self:SetText(self:GetText())
end
local function moveOnList(self, offset, key)
local min, max = 1, _List.ItemCount
local index = _List.SelectedIndex
local first = true
self:SetAltArrowKeyMode(true)
repeat
index = index + offset
if index >= min and index <= max then
_List.SelectedIndex = index
_List:RefreshScrollView()
else
break
end
Delay(first and 0.3 or 0.1)
first = false
until not isKeyPressed(self, key)
self:SetAltArrowKeyMode(false)
end
function _List:OnItemClick(key)
local editor = _List.CurrentEditor
if not editor then return _List:Hide() end
local ct = editor:GetText()
local startp, endp = getWord(ct, editor:GetCursorPosition(), true)
wipe(_BackAutoCache)
if key then
for _, v in ipairs(_AutoCacheItems) do
tinsert(_BackAutoCache, v.checkvalue)
end
_BackAutoCache[0] = _List.SelectedIndex
_List:Hide()
editor:SetText(replaceBlock(ct, startp, endp, key))
SetCursorPosition(editor.__Owner, startp + key:len() - 1)
formatColor4Line(editor, startp, startp + key:len() - 1)
else
_List:Hide()
end
end
------------------------------------------------------
-- Key Scan Helper
------------------------------------------------------
local function saveOperation(self, isundo)
if not self._OperationOnLine then return end
-- check change
if self:GetText() ~= self._OperationBackUpOnLine then
self._OperationStack:Push(self._OperationOnLine, self._OperationBackUpOnLine, self._OperationStartOnLine, self._OperationEndOnLine)
if isundo then
self._OperationStack:Push(_Operation.UNDO_SAVE, self:GetText(), self._HighlightStart, self._HighlightEnd)
end
end
self._OperationOnLine = nil
self._OperationBackUpOnLine = nil
self._OperationStartOnLine = nil
self._OperationEndOnLine = nil
end
local function newOperation(self, oper)
if self._OperationOnLine == oper then return end
-- save last operation
saveOperation(self)
self._OperationOnLine = oper
self._OperationBackUpOnLine = self:GetText()
self._OperationStartOnLine = self._HighlightStart
self._OperationEndOnLine = self._HighlightEnd
end
local function undo(self)
saveOperation(self, true)
local oper, text, start, stop = self._OperationStack:Undo()
if oper then
self:SetText(text)
SetCursorPosition(self.__Owner, stop)
HighlightText(self.__Owner, start, stop)
end
end
local function redo(self)
local oper, text, start, stop = self._OperationStack:Redo()
if oper then
self:SetText(text)
SetCursorPosition(self.__Owner, stop)
HighlightText(self.__Owner, start, stop)
end
end
local function asyncDelete(self)
local first = true
local str = self:GetText()
local nextPos, isv
local pos = self:GetCursorPosition() + 1
while self._DELETE do
if first and self._HighlightStart ~= self._HighlightEnd then
pos = self._HighlightStart + 1
nextPos = self._HighlightEnd
else
nextPos = pos
-- yap, I should do this myself
if IsControlKeyDown() then
-- delete words
local s, e = getWord(str, nextPos, nil, true)
nextPos = e or pos
else
-- delete char
nextPos, isv= skipColor(str, nextPos)
if isv then
nextPos = nextPos + 1
else
nextPos = checkUTF8(str, nextPos)
end
end
end
if pos > str:len() then break end
str = replaceBlock(str, pos, nextPos, "")
self:SetText(str)
SetCursorPosition(self.__Owner, pos - 1)
-- Do for long press
if first then
Delay(_FIRST_WAITTIME)
first = false
else
Delay(_CONTINUE_WAITTIME)
end
end
return formatColor4Line(self)
end
local function asyncBackdpace(self)
local first = true
local str = self:GetText()
local prevPos
local pos = self:GetCursorPosition()
local isDelteLine = false
while self._BACKSPACE do
if pos == 0 then break end
if first and self._HighlightStart ~= self._HighlightEnd then
pos = self._HighlightEnd
prevPos = self._HighlightStart + 1
else
prevPos = pos
-- yap, I should do this myself
if IsControlKeyDown() then
local s, e = getWord(str, prevPos, true)
prevPos = s or pos
else
prevPos = checkPrevUTF8(str, skipPrevColor(str, prevPos))
-- Auto pairs check
local byte = strbyte(str, prevPos)
if _AutoPairs[byte] then
local n = skipColor(str, pos + 1)
if _AutoPairs[byte] == true then
if strbyte(str, n) == byte then
pos = n
end
elseif strbyte(str, n) == _AutoPairs[byte] then
pos = n
end
elseif byte == _Byte.LINEBREAK_N or byte == _Byte.LINEBREAK_R then
isDelteLine = true
end
end
end
-- Delete
str = replaceBlock(str, prevPos, pos, "")
self:SetText(str)
pos = prevPos - 1
SetCursorPosition(self.__Owner, pos)
if isDelteLine then
isDelteLine = false
updateLineNum(self.__Owner)
end
-- Do for long press
if first then
Delay(_FIRST_WAITTIME)
first = false
else
Delay(_CONTINUE_WAITTIME)
end
end
applyAutoComplete(self)
return Next(formatColor4Line, self)
end
local function formatAllIndent(self)
-- format all codes for indent and keep the cursor position
newOperation(self, _Operation.INDENTFORMAT)
local str, _, _, cursor = formatIndent(self, self:GetText(), self:GetCursorPosition())
self:SetText(str)
SetCursorPosition(self.__Owner, cursor)
end
_KeyScan:SetScript("OnKeyDown", function (self, key)
if not key or _SkipKey[key] then return end
if self.FocusEditor then
local editor = self.FocusEditor
local owner = editor.__Owner
local cursorPos = editor:GetCursorPosition()
local oper = _KEY_OPER[key]
if oper then
local text = editor:GetText()
if oper == _Operation.CHANGE_CURSOR then
local handled = false --editor:Fire("OnDirectionKey", _DirectionKeyEventArgs)
if _List:IsShown() then
local offset = 0
handled = true
if key == "PAGEUP" then
offset = - _List.DisplayCount
elseif key == "PAGEDOWN" then
offset = _List.DisplayCount
elseif key == "HOME" then
offset = 1 - _List.SelectedIndex
elseif key == "END" then
offset = _List.ItemCount - _List.SelectedIndex
elseif key == "UP" then
offset = -1
elseif key == "DOWN" then
offset = 1
else
handled = false
end
if offset ~= 0 then
Continue(moveOnList, editor, offset, key)
end
end
if handled then
self.ActiveKeys[key] = true
return self:SetPropagateKeyboardInput(false)
end
if key == "PAGEUP" then
local bar = owner:GetChild("ScrollBar")
local skipLine = floor(owner:GetHeight() / bar:GetValueStep())
local startp, endp, line = getPrevLinesByReturn(text, cursorPos, skipLine)
if line == 0 then return end
endPrevKey(editor)
saveOperation(editor)
if IsShiftKeyDown() then
editor._SKIPCURCHG = cursorPos
end
editor:SetCursorPosition(getCursorPosByOffset(text, startp, getOffsetByCursorPos(text, cursorPos)))
return
elseif key == "PAGEDOWN" then
local bar = owner:GetChild("ScrollBar")
local skipLine = floor(owner:GetHeight() / bar:GetValueStep())
local startp, endp, line = getLinesByReturn(text, cursorPos, skipLine)
if line == 0 then return end
endPrevKey(editor)
saveOperation(editor)
if IsShiftKeyDown() then
editor._SKIPCURCHG = cursorPos
end
editor:SetCursorPosition(getCursorPosByOffset(text, endp, getOffsetByCursorPos(text, cursorPos)))
return
elseif key == "HOME" then
local startp, endp = getLines(text, cursorPos)
local byte
if startp - 1 == cursorPos then return end
endPrevKey(editor)
saveOperation(editor)
if IsShiftKeyDown() then
editor._SKIPCURCHG = cursorPos
end
local byte = strbyte(text, startp)
while _Spaces[byte] do
startp = startp + 1
byte = strbyte(text, startp)
end
if startp <= cursorPos then
self.ActiveKeys[key] = true
self:SetPropagateKeyboardInput(false)
editor:SetCursorPosition(startp - 1)
end
return
elseif key == "END" then
local startp, endp = getLines(editor:GetText(), cursorPos)
if endp == cursorPos then return end
endPrevKey(editor)
saveOperation(editor)
if IsShiftKeyDown() then
editor._SKIPCURCHG = cursorPos
end
return
elseif key == "UP" then
local _, _, line = getPrevLinesByReturn(editor:GetText(), cursorPos, 1)
if line > 0 then
endPrevKey(editor)
saveOperation(editor)
if IsShiftKeyDown() then
editor._SKIPCURCHG = cursorPos
editor._SKIPCURCHGARROW = true
end
end
return
elseif key == "DOWN" then
local text = editor:GetText()
local _, _, line= getLinesByReturn(text, cursorPos, 2)
if line > 0 then
endPrevKey(editor)
saveOperation(editor)
if IsShiftKeyDown() then
editor._SKIPCURCHG = cursorPos
editor._SKIPCURCHGARROW = true
end
if line == 1 then
-- Check a special error
local startp, endp = getLines(text, cursorPos)
local offset, isv = 0
startp, isv = skipColor(text, startp)
while startp <= cursorPos do
offset = offset + 1
startp, isv = skipColor(text, startp + (isv and 2 or 1))
end
editor._DownOffset = offset
end
end
return
elseif key == "RIGHT" then
if cursorPos < text:len() then
endPrevKey(editor)
saveOperation(editor)
local skipCtrl = false
if IsShiftKeyDown() then
editor._SKIPCURCHG = cursorPos
editor._SKIPCURCHGARROW = true
elseif editor._HighlightStart ~= editor._HighlightEnd then
editor._SKIPCURCHG = nil
editor._SKIPCURCHGARROW = nil
skipCtrl = true
self.ActiveKeys[key] = true
self:SetPropagateKeyboardInput(false)
SetCursorPosition(editor.__Owner, editor._HighlightEnd)
end
if not skipCtrl and IsControlKeyDown() then
local text = editor:GetText()
local s, e = getWord(text, cursorPos, nil, true)
if s and e then
self.ActiveKeys[key] = true
self:SetPropagateKeyboardInput(false)
editor:SetCursorPosition(e)
end
end
end
return
elseif key == "LEFT" then
if cursorPos > 0 then
endPrevKey(editor)
saveOperation(editor)
local skipCtrl = false
if IsShiftKeyDown() then
editor._SKIPCURCHG = cursorPos
editor._SKIPCURCHGARROW = true
elseif editor._HighlightStart ~= editor._HighlightEnd then
editor._SKIPCURCHG = nil
editor._SKIPCURCHGARROW = nil
skipCtrl = true
self.ActiveKeys[key] = true
self:SetPropagateKeyboardInput(false)
SetCursorPosition(editor.__Owner, editor._HighlightStart)
end
if not skipCtrl and IsControlKeyDown() then
local text = editor:GetText()
local s, e = getWord(text, cursorPos, true)
if s and e then
self.ActiveKeys[key] = true
self:SetPropagateKeyboardInput(false)
editor:SetCursorPosition(s - 1)
end
end
end
return
end
end
if key == "TAB" then
endPrevKey(editor)
return newOperation(editor, _Operation.INPUTTAB)
end
if key == "DELETE" then
if not editor._DELETE and not IsShiftKeyDown() and (editor._HighlightStart ~= editor._HighlightEnd or cursorPos < text:len()) then
endPrevKey(editor)
editor._DELETE = true
newOperation(editor, _Operation.DELETE)
self.ActiveKeys[key]= true
self:SetPropagateKeyboardInput(false)
return Continue(asyncDelete, editor)
end
return
end
if key == "BACKSPACE" then
if not editor._BACKSPACE and cursorPos > 0 then
endPrevKey(editor)
editor._BACKSPACE = cursorPos
newOperation(editor, _Operation.BACKSPACE)
self.ActiveKeys[key]= true
self:SetPropagateKeyboardInput(false)
return Continue(asyncBackdpace, editor)
end
return
end
if key == "ENTER" then
endPrevKey(editor)
-- editor._SKIPCURCHG = true
return newOperation(editor, _Operation.ENTER)
end
end
endPrevKey(editor)
-- Don't consider multi-modified keys
if IsShiftKeyDown() then
-- shift+
if IsControlKeyDown() then
self:SetPropagateKeyboardInput(false)
if key == "D" then
-- duplicate line
local text = editor:GetText()
local startp, endp = getLines(text, editor._HighlightStart, editor._HighlightEnd)
local line = "\n" .. text:sub(startp, endp)
newOperation(editor, _Operation.DUPLICATE_LINE)
editor:SetText(replaceBlock(text, endp + 1, endp, line))
SetCursorPosition(editor.__Owner, endp + #line)
formatColor4Line(editor)
return saveOperation(editor)
elseif key == "K" then
-- Delete line
local text = editor:GetText()
local startp, endp = getLines(text, editor._HighlightStart, editor._HighlightEnd)
if startp and endp then
if startp == 1 and startp > endp then return end
newOperation(editor, _Operation.DELETE_LINE)
if endp >= startp then
-- Delete the current line
editor:SetText(replaceBlock(text, startp, endp + 1, ""))
SetCursorPosition(editor.__Owner, startp - 1)
formatColor4Line(editor)
return saveOperation(editor)
else
-- Delete the line break
editor:SetText(replaceBlock(text, startp - 1, startp - 1, ""))
SetCursorPosition(editor.__Owner, startp - 2)
formatColor4Line(editor)
return saveOperation(editor)
end
end
end
return
end
elseif IsAltKeyDown() then
return OnAltKey(editor.__Owner, key)
elseif IsControlKeyDown() then
if key == "A" then
return owner:HighlightText()
elseif key == "V" then
editor._InPasting = true
return newOperation(editor, _Operation.PASTE)
elseif key == "C" then
-- do nothing
return
elseif key == "Z" then
return undo(editor)
elseif key == "Y" then
return redo(editor)
elseif key == "X" then
if editor._HighlightStart ~= editor._HighlightEnd then
newOperation(editor, _Operation.CUT)
end
return
elseif key == "K" then
-- Format the text
self.ActiveKeys[key]= true
self:SetPropagateKeyboardInput(false)
return formatAllIndent(editor)
else
return OnControlKey(editor.__Owner, key)
end
elseif key:find("^F%d+") == 1 then
return OnFunctionKey(editor.__Owner, key)
end
return newOperation(editor, _Operation.INPUTCHAR)
end
end)
_KeyScan:SetScript("OnKeyUp", function (self, key)
self:SetPropagateKeyboardInput(true)
self.ActiveKeys[key] = nil
if self.FocusEditor then
if key == "DELETE" then
self.FocusEditor._DELETE = nil
end
if key == "BACKSPACE" then
self.FocusEditor._BACKSPACE = nil
end
end
end)
------------------------------------------------------
-- event
------------------------------------------------------
--- Fired when alt + key is pressed
event "OnAltKey"
--- Fired when ctrl + key is pressed
event "OnControlKey"
--- Fired when function key is pressed
event "OnFunctionKey"
--- Fired when the enter is pressed(only works when the multiline is turn off)
event "OnEnterPressed"
------------------------------------------------------
-- Method
------------------------------------------------------
--- Refresh the editor layout
__AsyncSingle__()
function RefreshLayout(self)
Next()
local editor = self.__Editor
local linenum = self.__LineNum
local font, height, flag= editor:GetFont()
local spacing = editor:GetSpacing()
while not font do
Next()
font, height, flag = editor:GetFont()
spacing = editor:GetSpacing()
end
linenum:SetFont(font, height, flag)
linenum:SetSpacing(spacing)
_TestFontString:SetFont(font, height, flag)
_TestFontString:SetText("XXXX")
linenum:SetWidth(_TestFontString:GetStringWidth() + 8)
linenum:SetText("")
local l, r, t, b = editor:GetTextInsets()
l = (linenum:IsShown() and linenum:GetWidth() or 0) + 5
Style[editor].textInsets= Inset(l, r, t, b)
linenum:ClearAllPoints()
linenum:SetPoint("LEFT")
linenum:SetPoint("TOP", editor, "TOP", 0, - t - spacing)
Style[self].ScrollBar.valueStep = height + spacing
return updateLineNum(self)
end
--- Highlight the text
function HighlightText(self, startp, endp)
local editor = self.__Editor
local text
startp = startp or 0
if not endp then
text = editor:GetText()
endp = #text
end
if endp < startp then startp, endp = endp, startp end
editor._HighlightStart = startp
editor._HighlightEnd = endp
if startp ~= endp then
text = text or editor:GetText()
editor._HighlightText = text:sub(startp + 1, endp)
else
editor._HighlightText = ""
end
return editor:HighlightText(startp, endp)
end
--- Set the cursor position
function SetCursorPosition(self, pos)
local editor = self.__Editor or self
editor._OldCursorPosition = pos
editor:SetCursorPosition(pos)
return editor.__Owner:HighlightText(pos, pos)
end
--- Set The Text
function SetText(self, text)
text = text and tostring(text) or ""
self = self.__Editor
initDefinition(self)
self:SetText(formatAll(self, text:gsub("\124", "\124\124")))
SetCursorPosition(self, 0)
newOperation(self, _Operation.INIT)
end
--- Get the text
function GetText(self)
return removeColor(self.__Editor:GetText() or ""):gsub("\124\124", "\124")
end
--- Clear the auto complete list
function ClearAutoCompleteList(self)
wipe(self.AutoCompleteList)
end
--- Insert word to the auto complete list
function InsertAutoCompleteWord(self, word)
if type(word) == "string" and strtrim(word) ~= "" then
word = strtrim(word)
word = removeColor(word)
local lst = self.AutoCompleteList
local idx = getIndex(lst, word)
if lst[idx] == word then return end
tinsert(lst, idx + 1, word)
end
end
------------------------------------------------------
-- Property
------------------------------------------------------
--- The tab width, default 4
property "TabWidth" { type = NaturalNumber, default = 4, handler = refreshText }
--- Whether show the line num
property "ShowLineNum" { type = Bool, default = true, handler = function(self, flag) Style[self].ScrollChild.LineNum.visible = flag; Style[self].LineHolder.visible = flag; self:RefreshLayout() end }
--- The default text color
property "DefaultColor" { type = ColorType, handler = refreshText, default = Color(1, 1, 1) }
--- The comment color
property "CommentColor" { type = ColorType, handler = refreshText, default = Color(0.5, 0.5, 0.5) }
--- The string color
property "StringColor" { type = ColorType, handler = refreshText, default = Color(0, 1, 0) }
--- The number color
property "NumberColor" { type = ColorType, handler = refreshText, default = Color(1, 1, 0) }
--- The instruction color
property "InstructionColor" { type = ColorType, handler = refreshText, default = Color(1, 0.39, 0.09) }
--- The function
property "FunctionColor" { type = ColorType, handler = refreshText, default = Color(0.33, 1, 0.9) }
--- The attribute color
property "AttributeColor" { type = ColorType, handler = refreshText, default = Color(0.52, 0.12, 0.47) }
--- The custom auto complete list
property "AutoCompleteList" { type = System.Collections.List, default = function() return System.Collections.List() end, handler = function(self, value) return value and value:QuickSort(compare) end }
--- The delay to show the auto complete
property "AutoCompleteDelay"{ type = Number, default = 0.5 }
--- The max count of the undo list, -1 means no limit, 0 mean no undo/redo operation
property "MaxOperationCount"{ type = Number, default = -1 }
------------------------------------------------------
-- Event Handler
------------------------------------------------------
local function blockShortKey()
SetOverrideBindingClick(_BtnBlockDown, false, "DOWN", _BtnBlockDown:GetName(), "LeftButton")
SetOverrideBindingClick(_BtnBlockUp, false, "UP", _BtnBlockUp:GetName(), "LeftButton")
end
local function unBlockShortKey()
ClearOverrideBindings(_BtnBlockDown)
ClearOverrideBindings(_BtnBlockUp)
end
local function updateCursorAsync(self)
return SetCursorPosition(self.__Owner, self:GetCursorPosition())
end
local function onChar(self, char)
if self._InPasting or not self:HasFocus() then return true end
-- Auto Pairs
local auto = char and _AutoPairs[strbyte(char)]
local startp, endp
if auto then
-- { [ ( " '
local cursor = self:GetCursorPosition()
local text = self:GetText()
local inner = self._HighlightText
local rchar = auto == true and char or strchar(auto)
if inner ~= "" then
-- Has High Light Text, Just do the auto pairs
self:SetText(replaceBlock(text, cursor + 1, cursor, inner .. rchar))
local stop = cursor + #inner
SetCursorPosition(self.__Owner, stop)
-- HighlightText(self.__Owner, cursor, stop)
startp, endp = cursor, stop
else
local next = skipColor(text, cursor + 1)
if not inString(text, auto == true and (cursor -1) or cursor) or strbyte(text, next) == auto then
if strbyte(text, next) ~= strbyte(char) then
self:SetText(replaceBlock(text, cursor + 1, cursor, rchar))
SetCursorPosition(self.__Owner, cursor)
end
elseif auto == true then
if strbyte(text, next) == strbyte(char) then
self:SetText(replaceBlock(text, cursor + 1, next, ""))
SetCursorPosition(self.__Owner, cursor)
end
end
end
elseif auto == false then
-- ) ] }
local cursor = self:GetCursorPosition()
local text = self:GetText()
local next = skipColor(text, cursor + 1)
if strbyte(text, next) == strbyte(char) then
self:SetText(replaceBlock(text, cursor + 1, next, ""))
SetCursorPosition(self.__Owner, cursor)
end
end
self._InCharComposition = false
return formatColor4Line(self, startp, endp)
end
local function onCharComposition(self)
-- Avoid handle cursor change when input with IME
self._InCharComposition = true
end
local function onCursorChanged(self, x, y, w, h)
local oper = self._OperationOnLine
_List:Hide()
if self._InCharComposition then return end
if oper == _INPUTCHAR or oper == _BACKSPACE then
-- Prepare the auto complete but with a delay
registerAutoComplete(self, x, y, w, h)
end
local cursorPos = self:GetCursorPosition()
if cursorPos == self._OldCursorPosition and self._OperationOnLine ~= _Operation.CUT then
return
end
local owner = self.__Owner
self._OldCursorPosition = cursorPos
if self._InPasting then
self._InPasting = nil
local startp, endp = self._HighlightStart, cursorPos
HighlightText(owner, cursorPos, cursorPos)
return formatColor4Line(self, startp, endp)
elseif self._MouseDownShf == false then
-- First CursorChanged after mouse down if not press shift
HighlightText(owner, cursorPos, cursorPos)
self._MouseDownCur = cursorPos
self._MouseDownShf = nil
elseif self._MouseDownCur then
if self._MouseDownCur ~= cursorPos then
-- Hightlight all
if self._HighlightStart and self._HighlightEnd and self._HighlightStart ~= self._HighlightEnd then
if self._HighlightStart == self._MouseDownCur then
HighlightText(owner, cursorPos, self._HighlightEnd)
elseif self._HighlightEnd == self._MouseDownCur then
HighlightText(owner, cursorPos, self._HighlightStart)
else
HighlightText(owner, self._MouseDownCur, cursorPos)
end
else
HighlightText(owner, self._MouseDownCur, cursorPos)
end
self._MouseDownCur = cursorPos
end
elseif self._BACKSPACE or self._DELETE then
-- Skip
elseif self._SKIPCURCHG then
if tonumber(self._SKIPCURCHG) then
if self._HighlightStart and self._HighlightEnd and self._HighlightStart ~= self._HighlightEnd then
if self._HighlightStart == self._SKIPCURCHG then
HighlightText(owner, cursorPos, self._HighlightEnd)
elseif self._HighlightEnd == self._SKIPCURCHG then
HighlightText(owner, cursorPos, self._HighlightStart)
else
HighlightText(owner, self._SKIPCURCHG, cursorPos)
end
else
HighlightText(owner, self._SKIPCURCHG, cursorPos)
end
end
if not self._SKIPCURCHGARROW then
self._SKIPCURCHG = nil
else
self._SKIPCURCHG = cursorPos
end
elseif self._DownOffset then
local text = self:GetText()
local startp, endp = getLines(text, cursorPos)
local offset, isv = 0
startp, isv = skipColor(text, startp)
while startp < endp and offset < self._DownOffset do
offset = offset + 1
if offset == self._DownOffset then break end
startp = skipColor(text, startp + (isv and 2 or 1))
end
self._DownOffset = false
if startp ~= cursorPos then
return SetCursorPosition(owner, startp)
end
HighlightText(owner, cursorPos, cursorPos)
else
HighlightText(owner, cursorPos, cursorPos)
end
if self._OperationOnLine == _Operation.CUT then
formatColor4Line(self)
saveOperation(self)
end
end
local function onEditFocusGained(self, ...)
if _KeyScan.FocusEditor then
endPrevKey(_KeyScan.FocusEditor)
end
_KeyScan.FocusEditor = self
_KeyScan:Show()
NoCombat(blockShortKey)
end
local function onEditFocusLost(self, ...)
if _KeyScan.FocusEditor ~= self then return end
endPrevKey(self)
_KeyScan.FocusEditor = nil
_KeyScan:Hide()
NoCombat(unBlockShortKey)
_List:Hide()
end
local function onEnterPressed(self)
--- Handle the auto complete list
if _List:IsShown() then
local startp, endp, str
local text = self:GetText()
wipe(_BackAutoCache)
startp, endp = getWord(text, self:GetCursorPosition(), true)
str = _List.SelectedValue
if not IsControlKeyDown() and startp and str then
for _, item in ipairs(_List.RawItems) do
tinsert(_BackAutoCache, item.checkvalue)
end
_BackAutoCache[0] = _List.SelectedIndex
self:SetText(replaceBlock(text, startp, endp, str))
SetCursorPosition(self.__Owner, startp + str:len() - 1)
formatColor4Line(self, startp, startp + str:len() - 1)
return
else
_List:Hide()
end
end
if not self:IsMultiLine() then return OnEnterPressed(self.__Owner) end
-- The default behavior
if not IsControlKeyDown() then
self:Insert("\n")
else
local _, endp = getLines(self:GetText(), self:GetCursorPosition())
SetCursorPosition(self.__Owner, endp)
self:Insert("\n")
end
Next(updateCursorAsync, self)
-- On New Line
local cursorPos = self:GetCursorPosition()
local text = self:GetText()
local tabWidth = self.__Owner.TabWidth
local lstartp, lendp = getLines(text, cursorPos - 1)
local lstr = lstartp and text:sub(lstartp, lendp)
local _, len, indent, startp, endp, str, lprevIndent, oprevIndent, prevIndent, lindent, llen
lstr = lstr or ""
_, llen = lstr:find("^%s+")
llen = llen or 0
lstr, lindent, lprevIndent = formatIndent(self, lstr:sub(llen+1, -1))
oprevIndent = lprevIndent
if lprevIndent == 0 then
if lindent == 0 then
self:Insert(strrep(" ", llen))
elseif lindent > 0 then
self:Insert(strrep(" ", floor(llen/tabWidth)*tabWidth + tabWidth * lindent))
end
else
startp, endp, str, len = lstartp, lendp, lstr, llen
while startp > 1 do
startp, endp = getLines(text, startp - 2)
str = startp and text:sub(startp, endp)
if startp < endp then
_, len = str:find("^%s+")
len = len or 0
if len < str:len() then
str, indent, prevIndent = formatIndent(self, str:sub(len+1, -1))
lprevIndent = lprevIndent - indent
if lprevIndent <= 0 then
break
end
end
end
end
if lprevIndent <= 0 then
lstr = strrep(" ", floor(len / tabWidth) * tabWidth) .. lstr
self:SetText(replaceBlock(text, lstartp, lendp, lstr))
SetCursorPosition(self.__Owner, lstartp + lstr:len())
self:Insert(strrep(" ", floor(len / tabWidth) * tabWidth + tabWidth * (lindent + oprevIndent)))
else
self:SetText(replaceBlock(text, lstartp, lendp, lstr))
SetCursorPosition(self.__Owner, lstartp + lstr:len())
self:Insert(strrep(" ", tabWidth * (lindent + oprevIndent)))
end
end
formatColor4Line(self, lstartp)
return updateLineNum(self.__Owner)
end
local function onMouseUpAsync(self, btn)
local prev, curr = self._MouseDownCur, self:GetCursorPosition()
self._MouseDownCur = nil
self._MouseDownShf = nil
if self._CheckDblClk then
-- Select the Words
local prev = self._MouseDownTime
self._CheckDblClk = false
self._MouseDownTime = false
if prev and (GetTime() - prev) < DOUBLE_CLICK_INTERVAL then
local startp, endp = getWord(self:GetText(), self:GetCursorPosition())
if startp and endp then
SetCursorPosition(self.__Owner, endp)
return Next(HighlightText, self.__Owner, startp - 1, endp)
end
end
end
end
local function onMouseUp(self, btn)
return Next(onMouseUpAsync, self, btn)
end
local function onMouseDown(self, btn)
self._MouseDownCur = self:GetCursorPosition()
--- Reset the state
saveOperation(self)
endPrevKey(self)
-- Check Double Click to select word
if IsShiftKeyDown() then
self._MouseDownShf = true
self._MouseDownTime = false
self._CheckDblClk = false
else
self._MouseDownShf = false
local now = GetTime()
if self._MouseDownTime and (now - self._MouseDownTime) < DOUBLE_CLICK_INTERVAL then
self._CheckDblClk = true
else
self._CheckDblClk = false
self._MouseDownTime = now
end
end
end
local function onSizeChanged(self)
return updateLineNum(self.__Owner)
end
local function onShow(self)
return self.__Owner:RefreshLayout()
end
local function onTabPressed(self)
local owner = self.__Owner
local text = self:GetText()
-- Handle the auto complete
local startp, endp, str
if _List:IsShown() then
wipe(_BackAutoCache)
startp, endp = getWord(text, self:GetCursorPosition(), true)
str = _List.SelectedValue
if startp and str then
for _, item in ipairs(_List.RawItems) do
tinsert(_BackAutoCache, item.checkvalue)
end
_BackAutoCache[0] = _List.SelectedIndex
self:SetText(replaceBlock(text, startp, endp, str))
SetCursorPosition(self.__Owner, startp + str:len() - 1)
formatColor4Line(self, startp, startp + str:len() - 1)
return true
else
_List:Hide()
end
elseif #_BackAutoCache > 0 then
startp, endp = getWord(text, self:GetCursorPosition(), true)
str = startp and removeColor(text:sub(startp, endp))
if str == _BackAutoCache[_BackAutoCache[0]] then
_BackAutoCache[0] = _BackAutoCache[0] + 1
if _BackAutoCache[0] > #_BackAutoCache then
_BackAutoCache[0] = 1
end
str = _BackAutoCache[_BackAutoCache[0]]
if str then
self:SetText(replaceBlock(text, startp, endp, str))
SetCursorPosition(self.__Owner, startp + str:len() - 1)
formatColor4Line(self, startp, startp + str:len() - 1)
return true
else
wipe(_BackAutoCache)
end
end
end
-- Handle the default behavior
local startp, endp, str, lineBreak
local shiftDown = IsShiftKeyDown()
local cursorPos = self:GetCursorPosition()
local tabWidth = owner.TabWidth
if self._HighlightStart and self._HighlightEnd and self._HighlightEnd > self._HighlightStart then
startp, endp = getLines(text, self._HighlightStart, self._HighlightEnd)
str = text:sub(startp, endp)
if str:find("\n") then
lineBreak = "\n"
elseif str:find("\r") then
lineBreak = "\r"
else
lineBreak = false
end
if lineBreak then
if shiftDown then
str = str:gsub("[^".. lineBreak .."]+", _ShiftIndentFunc[tabWidth])
else
str = str:gsub("[^".. lineBreak .."]+", _IndentFunc[tabWidth])
end
self:SetText(replaceBlock(text, startp, endp, str))
SetCursorPosition(owner, startp + str:len() - 1)
HighlightText(owner, startp - 1, startp + str:len() - 1)
else
self:SetText(replaceBlock(text, self._HighlightStart + 1, self._HighlightEnd, strrep(" ", tabWidth)))
SetCursorPosition(owner, self._HighlightStart + tabWidth)
end
else
startp, endp = getLines(text, cursorPos)
str = text:sub(startp, endp)
if shiftDown then
local _, len = str:find("^%s+")
if len and len > 0 then
if startp + len - 1 >= cursorPos then
str = strrep(" ", len - tabWidth) .. str:sub(len + 1, -1)
self:SetText(replaceBlock(text, startp, endp, str))
if cursorPos - tabWidth >= startp - 1 then
SetCursorPosition(owner, cursorPos - tabWidth)
else
SetCursorPosition(owner, startp - 1)
end
else
cursorPos = startp - 1 + floor((cursorPos - startp) / tabWidth) * tabWidth
SetCursorPosition(owner, cursorPos)
end
end
else
local byte = strbyte(text, cursorPos + 1)
if byte == _Byte.RIGHTBRACKET or byte == _Byte.RIGHTPAREN then
saveOperation(self)
SetCursorPosition(owner, cursorPos + 1)
else
local len = tabWidth - (cursorPos - startp + 1) % tabWidth
str = str:sub(1, cursorPos - startp + 1) .. strrep(" ", len) .. str:sub(cursorPos - startp + 2, -1)
self:SetText(replaceBlock(text, startp, endp, str))
SetCursorPosition(owner, cursorPos + len)
end
end
end
end
local function onEscapePressed(self)
if _List:IsShown() then
_List:Hide()
return true
end
end
------------------------------------------------------
-- Constructor
------------------------------------------------------
__Template__{
LineHolder = Frame,
{
ScrollChild = {
LineNum = FontString,
}
}
}
function __ctor(self)
local editor = self:GetScrollChild():GetChild("EditBox")
local linenum = self:GetScrollChild():GetChild("LineNum")
local lineHolder = self:GetChild("LineHolder")
lineHolder:SetPoint("TOPLEFT")
lineHolder:SetPoint("BOTTOMLEFT")
lineHolder:SetPoint("RIGHT", linenum, "RIGHT")
-- Don't use the styles on the line num because there are too many changes on it
linenum:SetJustifyV("TOP")
linenum:SetJustifyH("CENTER")
editor.OnEscapePressed:SetInitFunction(onEscapePressed)
editor.OnChar = editor.OnChar + onChar
editor.OnCharComposition= editor.OnCharComposition + onCharComposition
editor.OnCursorChanged = editor.OnCursorChanged + onCursorChanged
editor.OnEditFocusGained= editor.OnEditFocusGained + onEditFocusGained
editor.OnEditFocusLost = editor.OnEditFocusLost + onEditFocusLost
editor.OnEnterPressed = editor.OnEnterPressed + onEnterPressed
editor.OnMouseDown = editor.OnMouseDown + onMouseDown
editor.OnMouseUp = editor.OnMouseUp + onMouseUp
editor.OnTabPressed = editor.OnTabPressed + onTabPressed
editor.OnShow = editor.OnShow + onShow
editor.OnSizeChanged = editor.OnSizeChanged + onSizeChanged
editor.__Owner = self
self.__Editor = editor
self.__LineNum = linenum
initDefinition(editor)
if not _CommonAutoCompleteList[1] then
Next(initCommonList)
end
end
end)
-----------------------------------------------------------
-- UI Property --
-----------------------------------------------------------
--- the font settings
UI.Property {
name = "Font",
type = FontType,
require = CodeEditor,
get = function(self) return Style[self].ScrollChild.EditBox.font end,
set = function(self, font) Style[self].ScrollChild.EditBox.font = font; self:RefreshLayout() end,
override = { "FontObject" },
}
--- the Font object
UI.Property {
name = "FontObject",
type = FontObject,
require = CodeEditor,
get = function(self) return Style[self].ScrollChild.EditBox.fontObject end,
set = function(self, font) Style[self].ScrollChild.EditBox.fontObject = font; self:RefreshLayout() end,
override = { "Font" },
}
--- whether the text wrap will be indented
UI.Property {
name = "Indented",
type = Boolean,
require = CodeEditor,
default = false,
get = function(self) return Style[self].ScrollChild.EditBox.indented end,
set = function(self, val) Style[self].ScrollChild.EditBox.indented = val; self:RefreshLayout() end,
}
--- the fontstring's amount of spacing between lines
UI.Property {
name = "Spacing",
type = Number,
require = CodeEditor,
default = 0,
get = function(self) return Style[self].ScrollChild.EditBox.spacing end,
set = function(self, val) Style[self].ScrollChild.EditBox.spacing = val; self:RefreshLayout() end,
}
--- the insets from the edit box's edges which determine its interactive text area
UI.Property {
name = "TextInsets",
type = Inset,
require = CodeEditor,
get = function(self) return Style[self].ScrollChild.EditBox.textInsets end,
set = function(self, val) Style[self].ScrollChild.EditBox.textInsets = val; self:RefreshLayout() end,
}
-----------------------------------------------------------
-- CodeEditor Style - Default --
-----------------------------------------------------------
Style.UpdateSkin("Default", {
[CodeEditor] = {
maxLetters = 0,
countInvisibleLetters = false,
textInsets = Inset(5, 5, 3, 3),
LineHolder = {
enableMouse = false,
frameStrata = "FULLSCREEN",
MiddleBGTexture = {
color = Color(0.12, 0.12, 0.12, 0.8),
setAllPoints = true,
alphaMode = "ADD",
}
},
}
})