From fbf6cfac9535645119c03913aae0f649ebfa4be6 Mon Sep 17 00:00:00 2001
From: Greg Pomerantz <gmp@wow.st>
Date: Sat, 9 May 2026 20:04:23 -0400
Subject: [PATCH] Fix ScaleEvent: track prevScale and only send when scale
 actually changes

---
 cmd/pad/main.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cmd/pad/main.go b/cmd/pad/main.go
index 812babb..8dd7c05 100644
--- a/cmd/pad/main.go
+++ b/cmd/pad/main.go
@@ -40,6 +40,8 @@ func run(w *app.Window) error {
 
 	// Track pixel dimensions from ConfigEvent (for resize handling)
 	var pixelW, pixelH int
+	// Track previous scale to detect changes
+	prevScale := float32(1.0)
 
 	// Create logic instance with initial DP size and scale=1.0
 	logic := editor.NewLogic(initialDPW, initialDPH)
@@ -76,8 +78,9 @@ func run(w *app.Window) error {
 			newScale := gtx.Metric.PxPerDp
 
 			// If scale changed, send scale event to logic goroutine
-			if newScale != 1.0 {
+			if newScale != prevScale {
 				logic.ScaleChan() <- editor.ScaleEvent{Scale: newScale}
+				prevScale = newScale
 			}
 
 			// Convert pixel dimensions to DP using actual scale