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v2.3.0 - Added functionality for Ctrl+Delete and Ctrl+Backspace

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This commit is contained in:
Ponali
2025-07-09 16:17:35 +02:00
parent 95a2efd7cc
commit 221bd0229e
3 changed files with 41 additions and 14 deletions
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halyde/core/termlib.lua
+39 -12
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@@ -243,6 +243,11 @@ function _G.read(readHistoryType, prefix, defaultText, maxChars)
historyIdx = #termlib.readHistory[readHistoryType]
end
local function updateHistory()
if not readHistoryType then return end
termlib.readHistory[readHistoryType][historyIdx]=text
end
local cur = unicode.len(text)+1
if prefix then termlib.write(prefix) end
local startX, startY = termlib.cursorPosX, termlib.cursorPosY
@@ -306,23 +311,45 @@ function _G.read(readHistoryType, prefix, defaultText, maxChars)
local function isLetter(chr)
return not string.find("\x09 :@-./_~?&=%+#",chr,1,true)
end
local function nextCur(dir,chr)
local next = math.max(math.min(cur+dir,unicode.len(text)+1),1)
local function nextCur(dir,chr,icur)
if icur==nil then icur=cur end
local next = math.max(math.min(icur+dir,unicode.len(text)+1),1)
if chr then return unicode.sub(text,next,next) end
return next
end
local function curAfterWord(dir)
local ncur = cur
while nextCur(dir,false,ncur)~=ncur and isLetter(nextCur(dir,true,ncur))==(dir==1) do
ncur=nextCur(dir,false,ncur)
end
while nextCur(dir,false,ncur)~=ncur and isLetter(nextCur(dir,true,ncur))==(dir==-1) do
ncur=nextCur(dir,false,ncur)
end
return ncur
end
local function moveWord(dir)
if nextCur(dir)==cur then return end
set(curPos(cur),strDef(unicode.sub(text,cur,cur)," "),false)
while nextCur(dir)~=cur and isLetter(nextCur(dir,true))==(dir==1) do
cur=nextCur(dir)
end
while nextCur(dir)~=cur and isLetter(nextCur(dir,true))==(dir==-1) do
cur=nextCur(dir)
end
cur=curAfterWord(dir)
set(curPos(cur),strDef(unicode.sub(text,cur,cur)," "),true)
cursorBlink = true
end
local function deleteWord(dir)
local after = curAfterWord(dir)
local lenb = unicode.wlen(text)
if dir==1 then
text=unicode.sub(text,1,cur-1)..unicode.sub(text,after)
set(curPos(cur+1),unicode.sub(text,cur+1)..string.rep(" ",lenb-unicode.wlen(text)+1),false)
set(curPos(cur),strDef(unicode.sub(text,cur,cur)," "),true)
else
text = unicode.sub(text,1,after-1)..unicode.sub(text,cur)
cur=after
set(curPos(cur+1),unicode.sub(text,cur+1)..string.rep(" ",lenb-unicode.wlen(text)+1),false)
set(curPos(cur),strDef(unicode.sub(text,cur,cur)," "),true)
end
updateHistory()
cursorBlink = true
end
local function isLine(chr)
return chr=="\n" or chr=="\r"
end
@@ -339,10 +366,6 @@ function _G.read(readHistoryType, prefix, defaultText, maxChars)
text=new
set(curPos(cur)," ",true)
end
local function updateHistory()
if not readHistoryType then return end
termlib.readHistory[readHistoryType][historyIdx]=text
end
while true do
local args = {event.pull("key_down", "clipboard", 0.5)}
@@ -366,6 +389,10 @@ function _G.read(readHistoryType, prefix, defaultText, maxChars)
moveCur(-math.huge)
elseif key=="end" then
moveCur(math.huge)
elseif key=="back" and keyboard.ctrlDown then
deleteWord(-1)
elseif key=="delete" and keyboard.ctrlDown then
deleteWord(1)
elseif key=="back" and cur>1 then
text=unicode.sub(text,1,cur-2)..unicode.sub(text,cur)
cur=cur-1