buffer history now: can't go out of bounds, can go to an empty line once you go past the most recent

This commit is contained in:
Izaya 2020-06-21 18:26:10 +10:00
parent 0421034ff7
commit 3f82d96b8e

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@ -294,9 +294,14 @@ function buffer:read(...)
elseif char == "B" then -- down
hIndex = hIndex - 1
io.write("\27[u"..(" "):rep(buffer:len()+1))
if hIndex == 0 then
hIndex = hIndex - 1
buffer = ""
end
buffer = self.history[1+#self.history-hIndex] or buffer
pos = 1
end
hIndex = math.max(math.min(hIndex,#self.history),0)
end
elseif char == "\8" then
if #buffer > 0 and pos <= #buffer then