Wibox improvements

.config/awesome/config_laptop.lua

@@ -0,0 +1,25 @@
+return {
+    widgets = {
+        left = {
+
+        },
+        mid = {
+            "mpd"
+        },
+        right = {
+            "memory",
+            "cpu",
+            "volume",
+            "backlight",
+            "wifi",
+            "battery",
+            "clock"
+        }
+    },
+    battery = "BAT1",
+    net_interface = "wlp3s0",
+    volume = {
+        options = {"Master", "-D", "pulse"},
+        sink = "@DEFAULT_SINK@"
+    }
+}

.config/awesome/rc.lua

@@ -16,10 +16,19 @@ local menubar = require("menubar")
 local hotkeys_popup = require("awful.hotkeys_popup")
 local vicious = require("vicious")
 local timer = require("gears.timer")
+local config = require("config_laptop")
+
 -- Enable hotkeys help widget for VIM and other apps
 -- when client with a matching name is opened:
 require("awful.hotkeys_popup.keys")
 
+local function round(x)
+  if x%2 ~= 0.5 then
+    return math.floor(x+0.5)
+  end
+  return x-0.5
+end
+
 -- {{{ Error handling
 -- Check if awesome encountered an error during startup and fell back to
 -- another config (This code will only ever execute for the fallback config)
@@ -170,30 +179,163 @@ local function set_wallpaper(s)
     end
 end
 
+
+local backlight_widget_type = { 
+    async = function (format, warg, callback)
+        awful.spawn.easy_async("xbacklight ", function (stdout) 
+            callback{ round(tonumber(stdout)) }
+        end)
+    end 
+}
+
+local battery_icon_table = {
+    not_charging = {
+        ["0"] = "",
+        ["10"] = "",
+        ["20"] = "",
+        ["30"] = "",
+        ["40"] = "",
+        ["50"] = "",
+        ["60"] = "",
+        ["70"] = "",
+        ["80"] = "",
+        ["90"] = "",
+        ["100"] = ""
+    },
+    charging = {
+        ["0"] = "",
+        ["10"] = "",
+        ["20"] = "",
+        ["30"] = "",
+        ["40"] = "",
+        ["50"] = "",
+        ["60"] = "",
+        ["70"] = "",
+        ["80"] = "",
+        ["90"] = "",
+        ["100"] = ""
+    },
+}
+
+local brightness_icon_table = {
+    "", "", "", "", "", "", ""
+}
+
+local volume_icon_table = {
+    levels = {
+        "", "", ""
+    },
+    muted = "婢"
+}
+
+local function format_widget(...)
+    local result = "  "
+    for _, v in ipairs({...}) do
+        result = result .. v .. "  "
+    end
+    return result
+end
+
+local function battery_icon(percent, charging)
+    local key = ""..(round(percent / 10) * 10)..""
+    if charging then
+        return battery_icon_table.charging[key]
+    else
+
+        return battery_icon_table.not_charging[key]
+    end
+end
+
+local function format_battery(widget, args)
+    return format_widget(battery_icon(args[2], args[1] == "+"), args[2])
+end
+
+local function format_wifi(widget, args)
+    if args["{ssid}"] ~= "N/A" then
+        return format_widget("", args["{linp}"])
+    end
+    return ""
+end
+
+local function format_brightness(widget, args)
+    local index = math.min(round(args[1] / 100 * 6 + 1), 7)
+    return format_widget(brightness_icon_table[index], args[1])
+end
+
+local function format_volume(widget, args)
+    if args[2] == "🔉" then
+        local index = math.min(round(args[1] / 100 * 2 + 1), 3) 
+        return format_widget(volume_icon_table.levels[index], args[1])
+    else
+        return format_widget(volume_icon_table.muted, "")
+    end
+end
+
+local function format_memory(widget, args)
+    return format_widget("", round(args[2] / 100) / 10  .. " GiB")
+end
+
+local function format_cpu(widget, args)
+    return format_widget("", args[1])
+end
+
+local function format_mpd(widget, args)
+    if args["{state}"] == "Stop" then
+        return ''
+    else
+        return format_widget("", ('%s - %s'):format(args["{Artist}"], args["{Title}"]), "")
+    end
+end
+
+
 volumebox = wibox.widget.textbox()
 vicious.cache(vicious.widgets.volume)
-vicious.register(volumebox, vicious.widgets.volume, "    $1  ", 3, {"Master", "-D", "pulse"})
+vicious.register(volumebox, vicious.widgets.volume, format_volume, 3, config.volume.options)
 
 backlightbox = wibox.widget.textbox()
-vicious.cache(vicious.contrib.xbacklight)
+vicious.cache(backlight_widget_type)
-vicious.register(backlightbox, vicious.contrib.xbacklight, "    $1  ", 3)
+vicious.register(backlightbox, backlight_widget_type, format_brightness, 3)
 
 batwidget = wibox.widget.textbox()
 vicious.cache(vicious.widgets.bat)
-vicious.register(batwidget, vicious.widgets.bat, "    $2  ", 61, "BAT1")
+vicious.register(batwidget, vicious.widgets.bat, format_battery, 61, config.battery)
-
 
 wifiwidget = wibox.widget.textbox()
 vicious.cache(vicious.widgets.wifi)
-vicious.register(wifiwidget, vicious.widgets.wifi, "    ${linp}  ", 10, "wlp3s0")
+vicious.register(wifiwidget, vicious.widgets.wifi, format_wifi, 3, config.net_interface)
 
 cpuwidget = wibox.widget.textbox()
 vicious.cache(vicious.widgets.cpu)
-vicious.register(cpuwidget, vicious.widgets.cpu, "    $1  ", 1)
+vicious.register(cpuwidget, vicious.widgets.cpu, format_cpu, 1)
 
 memwidget = wibox.widget.textbox()
 vicious.cache(vicious.widgets.mem)
-vicious.register(memwidget, vicious.widgets.mem, "  $2 MiB  ", 1)
+vicious.register(memwidget, vicious.widgets.mem, format_memory, 1)
+
+mpdwidget = wibox.widget.textbox()
+vicious.cache(vicious.widgets.mpd)
+vicious.register(mpdwidget, vicious.widgets.mpd, format_mpd)
+
+local widget_table = {
+    ["mpd"] = mpdwidget,
+    ["memory"] = memwidget,
+    ["cpu"] = cpuwidget,
+    ["volume"] = volumebox,
+    ["backlight"] = backlightbox,
+    ["wifi"] = wifiwidget,
+    ["battery"] = batwidget,
+    ["clock"] = mytextclock
+}
+
+local function load_widget_config(conf)
+    local t = {}
+
+    for _, v in ipairs(conf) do
+        table.insert(t, widget_table[v])
+    end
+
+    return t
+end
 
 -- Re-set wallpaper when a screen's geometry changes (e.g. different resolution)
 screen.connect_signal("property::geometry", set_wallpaper)
@@ -239,22 +381,22 @@ awful.screen.connect_for_each_screen(function(s)
         { -- Left widgets
             layout = wibox.layout.fixed.horizontal,
             s.mytaglist,
-            s.mypromptbox,
+            
+            table.unpack(load_widget_config(config.widgets.left))
+        },
+        {
+            layout = wibox.layout.flex.horizontal,
+            
+            wibox.widget { widget = wibox.widget.separator, visible = false },
+
+            table.unpack(load_widget_config(config.widgets.mid)),
+
+            wibox.widget { widget = wibox.widget.separator, visible = false },
         },
-        --s.mytasklist, -- Middle widget
-        wibox.widget { widget = wibox.widget.separator, visible = false },
         { -- Right widgets
             layout = wibox.layout.fixed.horizontal,
-            --mykeyboardlayout,
+
-            memwidget,
+            table.unpack(load_widget_config(config.widgets.right)),
-            cpuwidget,
-            volumebox,
-            backlightbox,
-            wifiwidget,
-            batwidget,
-            --wibox.widget.systray(),
-            mytextclock,
-            --s.mylayoutbox,
         },
     }
 
@@ -389,15 +531,15 @@ globalbuttons = gears.table.join(
 globalkeys = gears.table.join(
 
     awful.key({}, "XF86AudioRaiseVolume", function () 
-        awful.spawn("sh -c 'pactl set-sink-mute 0 false && pactl set-sink-volume 0 +5%'")
+        awful.spawn("sh -c 'pactl set-sink-mute "..config.volume.sink.." false && pactl set-sink-volume "..config.volume.sink.." +5%'")
         gears.timer.start_new(0.2, function () vicious.force({ volumebox, }) end)
     end),
     awful.key({}, "XF86AudioLowerVolume", function () 
-        awful.spawn("sh -c 'pactl set-sink-mute 0 false && pactl set-sink-volume 0 -5%'")
+        awful.spawn("sh -c 'pactl set-sink-mute "..config.volume.sink.." false && pactl set-sink-volume "..config.volume.sink.." -5%'")
         gears.timer.start_new(0.2, function () vicious.force({ volumebox, }) end)
     end),
     awful.key({}, "XF86AudioMute", function () 
-        awful.spawn("pactl set-sink-mute 0 toggle")
+        awful.spawn("pactl set-sink-mute "..config.volume.sink.." toggle")
         gears.timer.start_new(0.2, function () vicious.force({ volumebox, }) end)
     end),