From a431c4a25707f2c1d7f126f06e03b7c47862f347 Mon Sep 17 00:00:00 2001
From: Thomas FORGIONE <thomas@tforgione.fr>
Date: Tue, 12 Sep 2017 14:19:05 +0200
Subject: [PATCH] Added music stuff

---
 awesome/music.lua | 107 ++++++++++++++++++++++++++++++++++++++++++++++
 awesome/rc.lua    |  22 ++++++----
 2 files changed, 121 insertions(+), 8 deletions(-)
 create mode 100644 awesome/music.lua

diff --git a/awesome/music.lua b/awesome/music.lua
new file mode 100644
index 0000000..7b25eb8
--- /dev/null
+++ b/awesome/music.lua
@@ -0,0 +1,107 @@
+local naughty = require("naughty")
+local wibox = require("wibox")
+local awful = require("awful")
+
+local ret = {}
+ret.widget = wibox.widget.textbox()
+ret.widget:set_align("right")
+ret.widget.font = "Ubuntu Mono"
+
+local total_text = ""
+local position = 1
+local width = 30
+local dots = 3
+
+local last_notification = nil
+
+local function string_starts_with(String,Start)
+   return string.sub(String,1,string.len(Start))==Start
+end
+
+local function string_split(str, delimiter)
+    if str == nil then
+        return {}
+    end
+    local ret = {''}
+    count = 1
+    for i = 1, string.len(str) do
+        local c = str:sub(i,i)
+        if c == delimiter then
+            count = count + 1
+            ret[count] = ''
+        else
+            ret[count] = ret[count] .. c
+        end
+    end
+    return ret
+end
+
+local function pad(str, len, char)
+    if char == nil then char = ' ' end
+    return str .. string.rep(char, len - #str)
+end
+
+local function set_text(text)
+
+    total_text = text[1]
+
+    if last_notification ~= nil then
+        naughty.destroy(last_notification)
+    end
+
+    if text[2] == nil then
+        return
+    end
+
+    elts = string_split(text[1], '-')
+    artist = string.sub(elts[1], 1, -1)
+    album = string.sub(elts[2], 2, -1)
+    song = string.sub(elts[3], 2)
+    notification_text = '\n' .. album .. '\n' .. song .. '\n'
+
+    if string.len(total_text) >= width then
+        position = math.floor((width - string.len(total_text)) / 2)
+    end
+
+    update_widget()
+end
+
+ret.execute_command = function(command)
+    local fd = io.popen('music-client ' .. command)
+    local text = string_split(fd:read('*all'), '\n')
+    local rc = {fd:close()}
+    if rc[3] == 0 then
+        if string_starts_with(command, 'file') or string_starts_with(command, 'next') or string_starts_with(command, 'previous') then
+            set_text(text)
+        elseif string_starts_with(command, 'noop') then
+            total_text = text[1]
+            position = math.floor((width - string.len(total_text)) / 2)
+        end
+    else
+        set_text({'music-server not running'})
+    end
+end
+
+function update_widget()
+    if string.len(total_text) < width then
+        ret.widget:set_text(pad(total_text, width, ' '))
+    else
+        local pos = math.min(position, string.len(total_text) - width)
+        pos = math.max(1, pos)
+        ret.widget:set_text(string.sub(total_text, pos, pos + width))
+        position = position + 1
+        if position > string.len(total_text) then
+            position = math.floor((width - string.len(total_text)) / 2)
+        end
+    end
+end
+
+ret.execute_command('noop')
+
+ret.widget.timer = timer({timeout=0.2})
+ret.widget.timer:connect_signal("timeout", update_widget)
+ret.widget.timer:start()
+
+ret.widget = ret.widget
+
+return ret
diff --git a/awesome/rc.lua b/awesome/rc.lua
index 3f3e73b..f30ab2a 100644
--- a/awesome/rc.lua
+++ b/awesome/rc.lua
@@ -18,6 +18,13 @@ home = os.getenv('HOME')
 os.execute('xset m 16/1 0')
 os.setlocale("fr_FR.UTF-8")
 
+-- Set maximum size for notifactions
+naughty.config.notify_callback = function(args)
+    if args.icon_size == nil or args.icon_size > 128 then
+        args.icon_size = 128
+    end
+    return args
+end
 -- awful.util.spawn_with_shell("xcompmgr -cF &")
 
 naughty.config.presets.normal.bg = "#000000"
@@ -180,6 +187,7 @@ local battery = require('battery')
 local volume = require('volume')
 local calendar = require('calendar')
 local launchbar = require('launchbar')
+local music = require('music')
 local delimiter = wibox.widget.textbox(" | ")
 
 local function set_wallpaper(s)
@@ -238,6 +246,8 @@ awful.screen.connect_for_each_screen(function(s)
         { -- Right widgets
             layout = wibox.layout.fixed.horizontal,
             delimiter,
+            -- music.widget,
+            -- delimiter,
             volume_widget,
             delimiter,
             battery_widget,
@@ -388,23 +398,19 @@ globalkeys = awful.util.table.join(
         end, {description = "Shutdown", group="custom"}),
 
     awful.key({ }, "XF86AudioPlay", function()
-        awful.util.spawn("music-client play", false)
-        update_volume()
+        music.execute_command('play')
         end, {description = "play or pause the current music", group="custom"}),
 
     awful.key({ }, "XF86AudioStop", function()
-        awful.util.spawn("music-client stop", false)
-        update_volume()
+        music.execute_command('stop')
         end, {description = "stop the current music", group="custom"}),
 
     awful.key({ }, "XF86AudioNext", function()
-        awful.util.spawn("music-client next", false)
-        update_volume()
+        music.execute_command('next')
         end, {description = "skip to the next music", group="custom"}),
 
     awful.key({ }, "XF86AudioPrev", function()
-        awful.util.spawn("music-client previous", false)
-        update_volume()
+        music.execute_command('previous')
         end, {description = "skip to the previous music", group="custom"}),
 
     awful.key({ }, "Print", function ()