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Fix ScaleEvent: track prevScale and only send when scale actually changes

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This commit is contained in:
Greg Pomerantz 2026-05-09 20:04:23 -04:00
parent b581abb691
commit fbf6cfac95
1 changed files with 4 additions and 1 deletions
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5
cmd/pad/main.go
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@ -40,6 +40,8 @@ func run(w *app.Window) error {
// Track pixel dimensions from ConfigEvent (for resize handling) // Track pixel dimensions from ConfigEvent (for resize handling)
var pixelW, pixelH int 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 // Create logic instance with initial DP size and scale=1.0
logic := editor.NewLogic(initialDPW, initialDPH) logic := editor.NewLogic(initialDPW, initialDPH)
@ -76,8 +78,9 @@ func run(w *app.Window) error {
newScale := gtx.Metric.PxPerDp newScale := gtx.Metric.PxPerDp
// If scale changed, send scale event to logic goroutine // If scale changed, send scale event to logic goroutine
if newScale != 1.0 { if newScale != prevScale {
logic.ScaleChan() <- editor.ScaleEvent{Scale: newScale} logic.ScaleChan() <- editor.ScaleEvent{Scale: newScale}
prevScale = newScale
} }
// Convert pixel dimensions to DP using actual scale // Convert pixel dimensions to DP using actual scale