From 2dae75dd8ef7f432c0333f181c81f80f26f35b45 Mon Sep 17 00:00:00 2001
From: Stu Leak <leaktechnologies@proton.me>
Date: Sat, 20 Dec 2025 14:47:47 -0500
Subject: [PATCH] Hide CRF input when lossless quality is selected

---
 DONE.md | 1 +
 TODO.md | 1 +
 main.go | 8 ++++++++
 3 files changed, 10 insertions(+)

diff --git a/DONE.md b/DONE.md
index 236fdf3..4861b10 100644
--- a/DONE.md
+++ b/DONE.md
@@ -774,6 +774,7 @@ This file tracks completed features, fixes, and milestones.
 - ✅ Fixed stats bar updates to run on the UI thread to avoid Fyne warnings
 - ✅ Defaulted Target Aspect Ratio back to Source unless user explicitly sets it
 - ✅ Synced Target Aspect Ratio between Simple and Advanced menus
+- ✅ Hide manual CRF input when Lossless quality is selected
 - ✅ Stabilized video seeking and embedded rendering
 - ✅ Improved player window positioning
 - ✅ Fixed clear video functionality
diff --git a/TODO.md b/TODO.md
index 035188e..1a1ef22 100644
--- a/TODO.md
+++ b/TODO.md
@@ -48,6 +48,7 @@ This file tracks upcoming features, improvements, and known issues.
   - Stats bar updates run on the UI thread
   - Target aspect default enforced as Source unless user changes it
   - Target aspect sync across simple/advanced menus
+  - Hide manual CRF entry when Lossless quality is active
 
 ## Priority Features for dev20+
 
diff --git a/main.go b/main.go
index 0914b42..cda3498 100644
--- a/main.go
+++ b/main.go
@@ -6581,6 +6581,7 @@ func buildConvertView(state *appState, src *videoSource) fyne.CanvasObject {
 	updateQualityVisibility = func() {
 		hide := strings.Contains(strings.ToLower(state.convert.SelectedFormat.Label), "h.265") ||
 			strings.EqualFold(state.convert.VideoCodec, "H.265")
+		hideCRF := strings.EqualFold(state.convert.Quality, "Lossless")
 
 		if qualitySectionSimple != nil {
 			if hide {
@@ -6596,6 +6597,13 @@ func buildConvertView(state *appState, src *videoSource) fyne.CanvasObject {
 				qualitySectionAdv.Show()
 			}
 		}
+		if crfContainer != nil {
+			if hideCRF {
+				crfContainer.Hide()
+			} else {
+				crfContainer.Show()
+			}
+		}
 	}
 
 	// Simple mode options - minimal controls, aspect locked to Source