shithub: irc.myr

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Scroll overly long input lines.

--- a/irc.myr

+++ b/irc.myr

@@ -1000,17 +1000,53 @@

 }

 const drawinput = {irc, x0, y0, x1, y1, c

-	var t, chan, ln

+	var t, chan, ln, cx, dx

+	dx = x1 - x0

 	t = irc.term

-	ln = getstr(irc.cmd)

 	chan = std.fmt("[{}] ", c.name)

+	ln = inputstr(irc, chan, dx)

+	cx = x0 + (std.strcellwidth(chan) + irc.off : int)

+	if cx > dx

+		cx = dx

+	;;

 	termdraw.setbg(t, termdraw.Default)

 	termdraw.move(t, x0, y0)

 	termdraw.clear(t, x0, y0, x1, y1)

 	termdraw.put(t, "{}{}", chan, ln)

-	termdraw.cursorpos(t, x0 + (std.strcellwidth(chan) + irc.off : int), y0)

+	termdraw.cursorpos(t, cx, y0)

 	std.slfree(ln)

+}

+

+const inputstr = {irc, chan, dx

+	var w, s, o

+	var start, end

+

+	s = irc.cmd

+	o = (irc.off : int)

+	dx -= termdraw.strwidth(irc.term, chan)

+	w = 0

+	start = 0

+	end = 0

+	for var i = 0; i < s.len; i++

+		w += std.cellwidth(s[i])

+		if w >= dx

+			break

+		;;

+		end++

+	;;

+	while end < s.len && irc.off >= (w : std.size)

+		start++

+		while std.cellwidth(s[end]) == 0

+			start++

+		;;

+		w += std.cellwidth(s[end])

+		end++

+		while end < s.len && std.cellwidth(s[end]) == 0

+			end++

+		;;

+	;;

+	-> getstr(s[start:end])

 }

 const srvmsg = {irc, args

-- 

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