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--- Unique instance support for luakit.
--
-- This module provides a simple implementation of unique instances.
-- With this module enabled, only one instance of luakit will be run;
-- opening links from other programs or from the command line will open
-- those links in an already-running instance of luakit.
--
-- This module should be the first module loaded in your configuration file.
--
-- @module unique_instance
-- @copyright 2017 Aidan Holm <aidanholm@gmail.com>
local _M = {}
-- Check that this module is loaded first: simple but effective
for _, k in ipairs({"window", "webview", "lousy", "globals"}) do
assert(not package.loaded[k], "unique_instance should be loaded before all other modules!")
end
local lfs = require "lfs"
local unique = luakit.unique
--- Whether links from secondary luakit instances should open in a new
-- window; if `true`, links will be opened in a new window, if `false`,
-- links will be opened in an existing luakit window.
-- @type boolean
-- @readwrite
-- @default `false`
_M.open_links_in_new_window = false
if not unique then
msg.verbose("luakit started with no-unique")
return _M
end
unique.new("org.luakit")
-- Check for a running luakit instance
if unique.is_running() then
msg.verbose("a primary instance is already running")
local pickle = require("lousy.pickle")
local u = {}
for i, uri in ipairs(uris) do
u[i] = lfs.attributes(uri) and ("file://"..os.abspath(uri):gsub(" ","%%20")) or uri
end
unique.send_message("open-uri-set " .. pickle.pickle(u))
luakit.quit()
end
unique.add_signal("message", function (message, screen)
msg.verbose("received message from secondary instance")
local lousy, window = require "lousy", require "window"
local cmd, arg = string.match(message, "^(%S+)%s*(.*)")
local w
if cmd == "open-uri-set" then
local u = lousy.pickle.unpickle(arg)
-- Get the window to use
if #u == 0 or _M.open_links_in_new_window then
w = window.new(u)
else
w = lousy.util.table.values(window.bywidget)[1]
end
if not _M.open_links_in_new_window then
for _, uri in ipairs(u) do
w:new_tab(uri)
end
end
elseif cmd == "tabopen" then
w = lousy.util.table.values(window.bywidget)[1]
w:new_tab(arg)
elseif cmd == "winopen" then
w = window.new((arg ~= "") and { arg } or {})
end
w.win.screen = screen
w.win.urgency_hint = true
end)
return _M
-- vim: et:sw=4:ts=8:sts=4:tw=80
|
