Add pipebar widget for PipeWare

widget/pipebar.lua

@@ -0,0 +1,137 @@
+--[[
+
+     Licensed under GNU General Public License v2
+      * (c) 2013, Luca CPZ
+      * (c) 2013, Rman
+      * (c) 2025, Solodkiy
+
+--]]
+
+local helpers        = require("lain.helpers")
+local awful          = require("awful")
+local naughty        = require("naughty")
+local wibox          = require("wibox")
+local gears          = require("gears")
+local math           = { modf   = math.modf,
+                         floor  = math.floor }
+local string         = { format = string.format,
+                         match  = string.match,
+                         gmatch = string.gmatch,
+                         rep    = string.rep }
+local type, tonumber = type, tonumber
+
+-- PipeWire-compatible volume bar using wpctl
+-- custom.widget.pipebar
+
+local function factory(args)
+    local pipebar = {
+        colors = {
+            background = "#000000",
+            mute       = "#EB8F8F",
+            unmute     = "#A4CE8A"
+        },
+
+        _current_level = 0,
+        _mute          = "no",
+        device         = "@DEFAULT_AUDIO_SINK@"
+    }
+
+    local args       = args or {}
+    local timeout    = args.timeout or 5
+    local settings   = args.settings or function() end
+    local width      = args.width or 63
+    local height     = args.height or 1
+    local ticks      = args.ticks or false
+    local ticks_size = args.ticks_size or 7
+
+    pipebar.colors              = args.colors or pipebar.colors
+    pipebar.followtag           = args.followtag or false
+    pipebar.notification_preset = args.notification_preset or { font = "Monospace 10" }
+
+    pipebar.bar = wibox.widget {
+        forced_height    = height,
+        forced_width     = width,
+        color            = pipebar.colors.unmute,
+        background_color = pipebar.colors.background,
+        margins          = 1,
+        paddings         = 1,
+        ticks            = ticks,
+        ticks_size       = ticks_size,
+        widget           = wibox.widget.progressbar,
+    }
+
+    pipebar.tooltip = awful.tooltip({ objects = { pipebar.bar } })
+
+    function pipebar.update(callback)
+        helpers.async({ awful.util.shell, "-c", "wpctl get-volume " .. pipebar.device },
+        function(s)
+	    local vol, muted = string.match(s, "Volume:%s+([%d%.]+)%s*%[?([%u]*)%]?")
+            vol = tonumber(vol)
+
+            if not vol then return end
+
+            pipebar._current_level = math.floor(vol * 100)
+            pipebar._mute = (muted == "MUTED") and "yes" or "no"
+
+            pipebar.bar:set_value(pipebar._current_level / 100)
+
+            if pipebar._mute == "yes" or pipebar._current_level == 0 then
+                pipebar.tooltip:set_text("[muted]")
+                pipebar.bar.color = pipebar.colors.mute
+            else
+                pipebar.tooltip:set_text(string.format("volume: %d%%", pipebar._current_level))
+                pipebar.bar.color = pipebar.colors.unmute
+            end
+
+            settings()
+            if type(callback) == "function" then callback() end
+        end)
+    end
+
+    function pipebar.notify()
+        pipebar.update(function()
+            local preset = pipebar.notification_preset
+
+            preset.title = string.format("volume - %d%%", pipebar._current_level)
+
+            if pipebar._mute == "yes" then
+                preset.title = preset.title .. " muted"
+            end
+
+            local height = awful.screen.focused().mywibox.height
+            local int = math.modf((pipebar._current_level / 100) * height)
+            preset.text = string.format("[%s%s]", string.rep("|", int), string.rep(" ", height - int))
+
+            if pipebar.followtag then preset.screen = awful.screen.focused() end
+
+            if not pipebar.notification then
+                pipebar.notification = naughty.notify {
+                    preset  = preset,
+                    destroy = function() pipebar.notification = nil end
+                }
+            else
+                naughty.replace_text(pipebar.notification, preset.title, preset.text)
+            end
+        end)
+    end
+
+    pipebar.bar:connect_signal("button::press", function(_, _, _, button)
+        if button == 1 then -- left click
+            awful.spawn("wpctl set-mute " .. pipebar.device .. " toggle")
+            pipebar.update()
+        elseif button == 4 then -- scroll up
+            awful.spawn("wpctl set-volume " .. pipebar.device .. " 5%+")
+            pipebar.update()
+        elseif button == 5 then -- scroll down
+            awful.spawn("wpctl set-volume " .. pipebar.device .. " 5%-")
+            pipebar.update()
+        end
+    end)
+
+    helpers.newtimer("pipebar", timeout, pipebar.update)
+
+    return pipebar
+end
+
+return factory
+