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added some more keyboard shortcuts to io.read linemode

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Izaya 2020-08-21 10:18:43 +10:00
parent 8865768576
commit 0db31a2e27
1 changed files with 12 additions and 2 deletions
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14
module/buffer.lua
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@ -303,11 +303,21 @@ function buffer:read(...)
end
hIndex = math.max(math.min(hIndex,#self.history),0)
end
elseif char == "\8" then
elseif char == "\8" then -- backspace
if #buffer > 0 and pos <= #buffer then
buffer = buffer:sub(1, (#buffer - pos)) .. buffer:sub((#buffer - pos) + 2)
end
elseif char == "\13" or char == "\10" or char == "\n" then
elseif char == "\1" then -- ^A, go to start of line
pos = buffer:len()+1
elseif char == "\5" then -- ^E, go to end of line
pos = 1
elseif char == "\2" then -- ^B, back one word
local nc = buffer:reverse():find(" ",pos+1)
pos = nc or #buffer+1
elseif char == "\6" then -- ^F, forward one word
local nc = buffer:find(" ",math.max(#buffer-pos+3,0))
pos = (nc and #buffer-nc+2) or 1
elseif char == "\13" or char == "\10" or char == "\n" then -- return / newline
io.write("\n")
self.history[#self.history+1] = buffer
if #self.history > (self.maxhistory or 16) then table.remove(self.history,1) end