From e3afb85f23c0e59b2a818094ee7b391ca2f3504d Mon Sep 17 00:00:00 2001
From: atagen <boss@atagen.co>
Date: Mon, 16 Feb 2026 00:38:27 +1100
Subject: [PATCH] filter repeat events

---
 niri-s76-bridge.nu | 35 +++++++++++++++++------------------
 1 file changed, 17 insertions(+), 18 deletions(-)

diff --git a/niri-s76-bridge.nu b/niri-s76-bridge.nu
index 2b5a2b1..58e933e 100755
--- a/niri-s76-bridge.nu
+++ b/niri-s76-bridge.nu
@@ -6,59 +6,58 @@ def main [] {
     }
     
     print "niri-s76-bridge started"
-    niri msg -j event-stream | lines | reduce --fold [] { |line, windows|
+    niri msg -j event-stream | lines | reduce --fold {focused: 0, windows: []} { |line, state|
         let event = $line | from json
         let event_type = $event | columns | first
+        mut windows = $state.windows
+        mut current = $state.focused
         
         match $event_type {
             "WindowsChanged" => {
-                mut acc = $windows
                 for w in $event.WindowsChanged.windows {
-                    if $w.pid != null and $w.is_focused {
+                    if $w.pid != null and $w.is_focused and $w.pid != $current {
                         notify-scheduler $w.pid
+                        $current = $w.pid
                     }
                     if $w.pid != null {
-                        let existing = $acc | where id == $w.id
+                        let existing = $windows | where id == $w.id
                         if ($existing | is-empty) {
-                            $acc = ($acc | append {id: $w.id, pid: $w.pid})
+                            $windows = ($windows | append {id: $w.id, pid: $w.pid})
                         }
                     }
                 }
-                $acc
             }
             "WindowOpenedOrChanged" => {
                 let w = $event.WindowOpenedOrChanged.window
-                if $w.is_focused and $w.pid != null {
+                if $w.is_focused and $w.pid != null and $w.pid != $current {
                     notify-scheduler $w.pid
+                    $current = $w.pid
                 }
                 if $w.pid != null {
-                    let existing = $windows | where id == $w.id
+                    let existing = $state.windows | where id == $w.id
                     if ($existing | is-empty) {
-                        $windows | append {id: $w.id, pid: $w.pid}
-                    } else {
-                        $windows
+                        $windows = $windows | append {id: $w.id, pid: $w.pid}
                     }
-                } else {
-                    $windows
                 }
             }
             "WindowFocusChanged" => {
                 let focused_id = $event.WindowFocusChanged.id
                 if $focused_id != null {
-                    let match = $windows | where id == $focused_id
+                    let match = $state.windows | where id == $focused_id
                     if not ($match | is-empty) {
                         let focused_pid = $match.0.pid
-                        if $focused_pid != null {
+                        if $focused_pid != null and $focused_pid != $current {
                             notify-scheduler $focused_pid
+                            $current = $focused_pid
                         }
                     }
                 }
-                $windows
             }
             "WindowClosed" => {
-                $windows | where id != $event.WindowClosed.id
+                $windows = $windows | where id != $event.WindowClosed.id
             }
-            _ => $windows
+            _ => ()
         }
+        {focused: $current, windows: $windows}
     }
 }