1 files changed, 31 insertions, 0 deletions
diff --git a/src/utils/volume.rs b/src/utils/volume.rs
new file mode 100644
index 0000000..061ab60
--- /dev/null
+++ b/src/utils/volume.rs
@@ -0,0 +1,31 @@
+use crate::types::Config;
+use alsa::mixer::{Mixer, SelemChannelId, SelemId};
+
+// getting volume percentage
+pub fn get_volume(config: &Config) -> String {
+    let card = if config.volume.card == "PULSE" {
+        "pulse"
+    } else {
+        "default"
+    };
+
+    let mixer = Mixer::new(card, false).expect("Failed to open mixer");
+    let selem_id = SelemId::new("Master", 0);
+    let selem = mixer.find_selem(&selem_id).expect("Couldn't find selem");
+    let selem_chan_id = SelemChannelId::FrontLeft;
+
+    let (min, max) = selem.get_playback_volume_range();
+    let mut raw_volume = selem
+        .get_playback_volume(selem_chan_id)
+        .expect("Failed to get raw_volume");
+
+    let range = max - min;
+    let vol = if range == 0 {
+        0
+    } else {
+        raw_volume -= min;
+        ((raw_volume as f64 / range as f64) * 100.) as u64
+    };
+
+    format!("  {}  {}%  {}", config.volume.icon, vol, config.seperator)
+}