From f0496d20defc37cc67c2ccee41069e1c1a52e670 Mon Sep 17 00:00:00 2001
From: stephen <stephen@sbyrne.net>
Date: Fri, 22 Sep 2023 19:07:43 -0400
Subject: [PATCH] enabled then disable, only if at least one enabled

---
 src/main.rs | 37 ++++++++++++++++++++++---------------
 1 file changed, 22 insertions(+), 15 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 958e624..72523c3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -70,22 +70,29 @@ fn main() {
                     });
                 });
         } else {
-            println!("unknown state, do nothing")
+            println!("unknown state, do nothing");
         }
     }
 
-    // TODO if there are no enables do nothing.
-    outputs.iter()
-        .for_each(|output| {
-            if let SwayOutput::Disabled{name} = output {
-                println!("swaymsg output {} disabled", name);
-            }
-        });
-    outputs.iter()
-        .for_each(|output| {
-            if let SwayOutput::Enabled{name,width,height,x,y} = output {
-                println!("swaymsg output {} enable dpms on mode {}x{} pos {} {}",
-                    name, width, height, x, y);
-            }
-        });
+    let enabled_count = outputs.iter()
+        .filter(|output| matches!(output,SwayOutput::Enabled{name:_,width:_,height:_,x:_,y:_}))
+        .count();
+    if enabled_count >= 1 {
+        // enable then disable
+        outputs.iter()
+            .for_each(|output| {
+                if let SwayOutput::Enabled{name,width,height,x,y} = output {
+                    println!("swaymsg output {} enable dpms on mode {}x{} pos {} {}",
+                             name, width, height, x, y);
+                }
+            });
+        outputs.iter()
+            .for_each(|output| {
+                if let SwayOutput::Disabled{name} = output {
+                    println!("swaymsg output {} disabled", name);
+                }
+            });
+    } else {
+        println!("No enabled outputs, do nothing");
+    }
 }
\ No newline at end of file