From b8afec996a400fe42e110033031443d18175d4cd Mon Sep 17 00:00:00 2001
From: josuah <mail@josuah.net>
Date: Fri, 27 Jan 2017 17:03:14 +0100
Subject: vis-digraph: add utility to handle digraphs

Hook it up via Lua to <C-k> in insert and replace mode.

Close #460 #475
---
 lua/vis-std.lua | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'lua')

diff --git a/lua/vis-std.lua b/lua/vis-std.lua
index ff5469a..4da7293 100644
--- a/lua/vis-std.lua
+++ b/lua/vis-std.lua
@@ -137,3 +137,27 @@ vis.events.subscribe(vis.events.WIN_STATUS, function(win)
 	local right = ' ' .. table.concat(right_parts, " « ") .. ' '
 	win:status(left, right);
 end)
+
+-- additional default keybindings
+
+vis:map(vis.modes.INSERT, "<C-k>", function(keys)
+	if #keys < 2 then
+		return -1 -- need more input
+	end
+	local file = io.popen(string.format("vis-digraph '%s' 2>&1", keys:gsub("'", "'\\''")))
+	local output = file:read('*all')
+	local success, msg, status = file:close()
+	if success then
+		if vis.mode == vis.modes.INSERT then
+			vis:insert(output)
+		elseif vis.mode == vis.modes.REPLACE then
+			vis:replace(output)
+		end
+	elseif msg == 'exit' then
+		if status == 2 then
+			return -1 -- prefix need more input
+		end
+		vis:info(output)
+	end
+	return #keys
+end, "Insert digraph")
-- 
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