From 04e14c6bbae19255ccb2ff33496aa4394d87bf67 Mon Sep 17 00:00:00 2001
From: "Lucas.Xu" <lucas.xu@appflowy.io>
Date: Mon, 28 Nov 2022 16:22:10 +0800
Subject: [PATCH] fix: transparent color should be treated as a highlight color

---
 .../appflowy_editor/lib/src/render/toolbar/toolbar_item.dart  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/frontend/app_flowy/packages/appflowy_editor/lib/src/render/toolbar/toolbar_item.dart b/frontend/app_flowy/packages/appflowy_editor/lib/src/render/toolbar/toolbar_item.dart
index 5ab7f6cc50..b6051f4877 100644
--- a/frontend/app_flowy/packages/appflowy_editor/lib/src/render/toolbar/toolbar_item.dart
+++ b/frontend/app_flowy/packages/appflowy_editor/lib/src/render/toolbar/toolbar_item.dart
@@ -255,7 +255,9 @@ List<ToolbarItem> defaultToolbarItems = [
     highlightCallback: (editorState) => _allSatisfy(
       editorState,
       BuiltInAttributeKey.backgroundColor,
-      (value) => value != null,
+      (value) {
+        return value != null && value != '0x00000000'; // transparent color;
+      },
     ),
     handler: (editorState, context) => formatHighlight(
       editorState,