Don't set so many parameters. It was upsetting i3.

src/lib.rs

@@ -1,9 +1,11 @@
-use std::collections::HashMap;
-use std::fmt;
-use std::fs::File;
-use std::io::{self, BufRead, BufReader};
-use std::path::Path;
-use std::process::{Command, Output};
+use std::{
+    collections::HashMap,
+    fmt,
+    fs::File,
+    io::{self, BufRead, BufReader},
+    path::Path,
+    process::{Command, Output},
+};
 
 use regex::Regex;
 use thiserror::Error;
@@ -106,6 +108,16 @@ impl Screen {
             None => return Err(CommandError::MissingMonitor(self.name.to_string())),
         };
 
+        Ok(format!(
+            "{connection}: {w}x{h} {x:+}{y:+} {{ForceCompositionPipeline=On, Rotation={rotation}}}",
+            connection = connection,
+            w = width,
+            h = height,
+            x = x,
+            y = y,
+            rotation = rotation,
+        ))
+        /*
         Ok(format!("{connection}: {w}x{h} @{in_w}x{in_h} {x:+}{y:+} {{ForceCompositionPipeline=On, ViewPortIn={in_w}x{in_h}, ViewPortOut={w}x{h}+0+0, Rotation={rotation}}}",
                 connection=connection,
                 w=width,
@@ -116,6 +128,7 @@ impl Screen {
                 y=y,
                 rotation=rotation,
         ))
+            */
     }
 }