From f3a7cac49f2df91b4acf14a9682b404bcd74f3f0 Mon Sep 17 00:00:00 2001
From: Daniel Imms <2193314+Tyriar@users.noreply.github.com>
Date: Tue, 3 Feb 2026 03:55:25 -0800
Subject: [PATCH] Handle options within blink state manager

---
 addons/addon-webgl/src/WebglRenderer.ts              | 5 ++---
 src/browser/renderer/dom/DomRenderer.ts              | 5 ++---
 src/browser/renderer/shared/TextBlinkStateManager.ts | 8 +++++++-
 3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/addons/addon-webgl/src/WebglRenderer.ts b/addons/addon-webgl/src/WebglRenderer.ts
index 3e93ca85..351b9f27 100644
--- a/addons/addon-webgl/src/WebglRenderer.ts
+++ b/addons/addon-webgl/src/WebglRenderer.ts
@@ -109,9 +109,9 @@ export class WebglRenderer extends Disposable implements IRenderer {
     this._register(_optionsService.onOptionChange(() => this._handleOptionsChanged()));
     this._textBlinkStateManager = this._register(new TextBlinkStateManager(
       () => this._requestRedrawViewport(),
-      this._coreBrowserService
+      this._coreBrowserService,
+      this._optionsService
     ));
-    this._textBlinkStateManager.setIntervalDuration(this._optionsService.rawOptions.blinkIntervalDuration);
 
     this._deviceMaxTextureSize = this._gl.getParameter(this._gl.MAX_TEXTURE_SIZE);
 
@@ -257,7 +257,6 @@ export class WebglRenderer extends Disposable implements IRenderer {
     this._updateDimensions();
     this._refreshCharAtlas();
     this._updateCursorBlink();
-    this._textBlinkStateManager.setIntervalDuration(this._optionsService.rawOptions.blinkIntervalDuration);
   }
 
   /**
diff --git a/src/browser/renderer/dom/DomRenderer.ts b/src/browser/renderer/dom/DomRenderer.ts
index 23273308..50f94e8b 100644
--- a/src/browser/renderer/dom/DomRenderer.ts
+++ b/src/browser/renderer/dom/DomRenderer.ts
@@ -100,9 +100,9 @@ export class DomRenderer extends Disposable implements IRenderer {
     this._register(toDisposable(() => this._cursorBlinkStateManager.dispose()));
     this._textBlinkStateManager = this._register(new TextBlinkStateManager(
       () => this._onRequestRedraw.fire({ start: 0, end: this._bufferService.rows - 1 }),
-      this._coreBrowserService
+      this._coreBrowserService,
+      this._optionsService
     ));
-    this._textBlinkStateManager.setIntervalDuration(this._optionsService.rawOptions.blinkIntervalDuration);
 
     this._register(toDisposable(() => {
       this._element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);
@@ -447,7 +447,6 @@ export class DomRenderer extends Disposable implements IRenderer {
       this._optionsService.rawOptions.fontWeightBold
     );
     this._setDefaultSpacing();
-    this._textBlinkStateManager.setIntervalDuration(this._optionsService.rawOptions.blinkIntervalDuration);
   }
 
   public clear(): void {
diff --git a/src/browser/renderer/shared/TextBlinkStateManager.ts b/src/browser/renderer/shared/TextBlinkStateManager.ts
index 21f2d606..564bbdd9 100644
--- a/src/browser/renderer/shared/TextBlinkStateManager.ts
+++ b/src/browser/renderer/shared/TextBlinkStateManager.ts
@@ -5,6 +5,7 @@
 
 import { ICoreBrowserService } from 'browser/services/Services';
 import { Disposable, toDisposable } from 'common/Lifecycle';
+import { IOptionsService } from 'common/services/Services';
 
 export class TextBlinkStateManager extends Disposable {
   private _intervalDuration: number = 0;
@@ -13,9 +14,14 @@ export class TextBlinkStateManager extends Disposable {
 
   constructor(
     private readonly _renderCallback: () => void,
-    private readonly _coreBrowserService: ICoreBrowserService
+    private readonly _coreBrowserService: ICoreBrowserService,
+    private readonly _optionsService: IOptionsService
   ) {
     super();
+    this._register(this._optionsService.onSpecificOptionChange('blinkIntervalDuration', duration => {
+      this.setIntervalDuration(duration);
+    }));
+    this.setIntervalDuration(this._optionsService.rawOptions.blinkIntervalDuration);
     this._register(toDisposable(() => this._clearInterval()));
   }