From 3345c46837a5239dfd0f8033094519843e9df8ab Mon Sep 17 00:00:00 2001
From: Simon Vieille <simon@deblan.fr>
Date: Sun, 4 Aug 2024 17:46:47 +0200
Subject: [PATCH] volume: replace amixer with pamixer

volume: use sink instead of channel
---
 README.md             |  7 +++--
 blocks/volume/main.go | 68 ++++++++++++++++++++++++++++---------------
 2 files changed, 50 insertions(+), 25 deletions(-)

diff --git a/README.md b/README.md
index 5784b93..768896a 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Blocks compatible with [i3blocks](https://github.com/vivien/i3blocks).
 * `df` for `du` block
 * `xdg-open` for `du` block
 * `playerctl` for `spotify` block
+* `pamixer` for `volume` block
 
 ## Installation
 
@@ -101,7 +102,7 @@ markup=pango
 interval=3
 
 [ip_eth0_ip6]
-command=/path/to/ip -iface=eth0 -version=ip4 -name=Bar
+command=/path/to/ip -iface=eth0 -version=ip6 -name=Bar
 format=json
 markup=pango
 interval=3
@@ -179,9 +180,11 @@ interval=3
 
 Show volume.
 
+Note: use `pamixer --list-sinks`
+
 ```
 [volume]
-command=/path/to/volume -channel=Master
+command=/path/to/volume -sinks="Default:alsa_output.pci-0000_00_1f.3.analog-stereo;Headset:bluez_output.00_1B_66_B6_87_05
 format=json
 markup=pango
 interval=1
diff --git a/blocks/volume/main.go b/blocks/volume/main.go
index 289d87b..aa746d3 100644
--- a/blocks/volume/main.go
+++ b/blocks/volume/main.go
@@ -3,46 +3,68 @@ package main
 import (
 	"flag"
 	"fmt"
-	r "gitnet.fr/deblan/i3-blocks-go/rendering"
 	"os/exec"
-	"regexp"
 	"strconv"
+	"strings"
+
+	r "gitnet.fr/deblan/i3-blocks-go/rendering"
 )
 
-func Volume(channel string) int {
-	output, _ := exec.Command("amixer", "get", channel).Output()
+func Volume(id string) int {
+	output, _ := exec.Command("pamixer", "--sink", id, "--get-volume").Output()
 
-	regex, _ := regexp.Compile(`\[(\d+)%\]`)
-	data := regex.FindStringSubmatch(string(output))
-
-	volume, _ := strconv.Atoi(data[1])
+	volume, _ := strconv.Atoi(strings.TrimSpace(string(output)))
 
 	return volume
 }
 
 func main() {
-	argChannel := flag.String("channel", "Master", "the channel")
+	argSinks := flag.String("sinks", "", "list of sinks, eg: CUSTOM_NAME:SINK_VALUE;CUSTOM_NAME2:SINK_VALUE2")
 	flag.Parse()
 
-	volume := Volume(*argChannel)
+	sinks := strings.Split(*argSinks, ";")
 
-	var symbole string
+	var items []string
 
-	if volume == 0 {
-		symbole = "\uf026"
-	} else if volume < 50 {
-		symbole = "\uf027"
-	} else {
-		symbole = "\uf028"
+	for _, sink := range sinks {
+		info := strings.Split(sink, ":")
+
+		if len(info) != 2 {
+			continue
+		}
+
+		name := info[0]
+		id := info[1]
+		volume := Volume(id)
+
+		var symbole string
+
+		if volume == 0 {
+			symbole = "\uf026"
+		} else if volume < 50 {
+			symbole = "\uf027"
+		} else {
+			symbole = "\uf028"
+		}
+
+		label := r.TextWithPadding(
+			name,
+			r.FB{
+				Foreground: r.Color("grey1"),
+				Background: r.Color("black2"),
+			},
+		)
+
+		value := r.TextWithPadding(fmt.Sprintf("%d%% %s", volume, r.FontAwesome(symbole)), r.FB{
+			Foreground: r.Color("grey1"),
+			Background: r.Color("black1"),
+		})
+
+		items = append(items, fmt.Sprintf("%s%s", label, value))
 	}
 
-	value := r.TextWithPadding(fmt.Sprintf("%d%% %s", volume, r.FontAwesome(symbole)), r.FB{
-		Foreground: r.Color("grey1"),
-		Background: r.Color("black1"),
-	})
-
 	options := r.NewBlockOptions()
-	options.FullText = value
+	options.FullText = strings.Join(items, "")
 	block := r.Block("volume", options)
 
 	fmt.Println(block)