Fix disable hdmi when connected but inactive

src/lib.rs

@@ -126,6 +126,9 @@ pub struct Screen {
 
     /// Whether the screen is connected or not.
     pub connected: bool,
+
+    /// Whether the screen is active or not.
+    pub active: bool,
 }
 
 impl Screen {
@@ -138,6 +141,7 @@ impl Screen {
             resolutions: vec![],
             primary: line.contains("primary"),
             connected: line.contains(" connected"),
+            active: false,
         }
     }
 
@@ -190,6 +194,10 @@ impl MultiScreen {
                     .split("_").collect::<Vec<_>>()[0]
                     .split("x").collect::<Vec<_>>();
 
+                if split[1].contains("*") {
+                    last.active = true;
+                }
+
                 if let Ok(width) = resolution[0].parse::<u32>() {
                     if let Ok(height) = resolution[1].parse::<u32>() {
                         last.resolutions.push((width, height));
@@ -364,7 +372,9 @@ impl MultiScreen {
 
     /// If a HDMI screen is detected, puts the sound on it. Otherwise, disables it.
     pub fn enable_hdmi_sound_if_present(&self) -> Result<(), Error> {
-        let hdmi = self.screens.iter().fold(false, |acc, x| acc || x.name.to_lowercase().contains("hdmi"));
+        let hdmi = self.screens
+            .iter()
+            .fold(false, |acc, x| acc || x.name.to_lowercase().contains("hdmi") && x.active);
 
         Ok(if hdmi {
             enable_hdmi_sound()?

src/tv.rs

@@ -44,6 +44,10 @@ fn main() {
         _ => Ok(())
     };
 
+    // Redetect screen to update active attribute
+    let screens = MultiScreen::detect()
+        .expect("An error happened while finding screens");
+
     if sound {
         if let Err(e) = screens.enable_hdmi_sound_if_present() {
             eprintln!("Error: couldn't set hdmi sound: {:?}", e);