Add resignsFirstResponderOnScrollDown to MessageListConfig (#769)

Author: sovata8

CHANGELOG.md

@@ -9,6 +9,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### 🔄 Changed
 - Uploading a HEIC photo from the library is now converted to JPEG for better compatibility [#767](https://github.com/GetStream/stream-chat-swiftui/pull/767)
 
+### ✅ Added
+- Add `resignsFirstResponderOnScrollDown` to `MessageListConfig` [#769](https://github.com/GetStream/stream-chat-swiftui/pull/769)
+
 # [4.73.0](https://github.com/GetStream/stream-chat-swiftui/releases/tag/4.73.0)
 _February 28, 2025_
 

Sources/StreamChatSwiftUI/ChatChannel/MessageList/MessageListConfig.swift

@@ -19,6 +19,7 @@ public struct MessageListConfig {
         messagePopoverEnabled: Bool = true,
         doubleTapOverlayEnabled: Bool = false,
         becomesFirstResponderOnOpen: Bool = false,
+        resignsFirstResponderOnScrollDown: Bool = true,
         updateChannelsFromMessageList: Bool = false,
         maxTimeIntervalBetweenMessagesInGroup: TimeInterval = 60,
         cacheSizeOnChatDismiss: Int = 1024 * 1024 * 100,
@@ -45,6 +46,7 @@ public struct MessageListConfig {
         self.messagePopoverEnabled = messagePopoverEnabled
         self.doubleTapOverlayEnabled = doubleTapOverlayEnabled
         self.becomesFirstResponderOnOpen = becomesFirstResponderOnOpen
+        self.resignsFirstResponderOnScrollDown = resignsFirstResponderOnScrollDown
         self.updateChannelsFromMessageList = updateChannelsFromMessageList
         self.maxTimeIntervalBetweenMessagesInGroup = maxTimeIntervalBetweenMessagesInGroup
         self.cacheSizeOnChatDismiss = cacheSizeOnChatDismiss
@@ -72,6 +74,7 @@ public struct MessageListConfig {
     public let messagePopoverEnabled: Bool
     public let doubleTapOverlayEnabled: Bool
     public let becomesFirstResponderOnOpen: Bool
+    public let resignsFirstResponderOnScrollDown: Bool
     public let updateChannelsFromMessageList: Bool
     public let maxTimeIntervalBetweenMessagesInGroup: TimeInterval
     public let cacheSizeOnChatDismiss: Int

Sources/StreamChatSwiftUI/ChatChannel/MessageList/MessageListView.swift

@@ -238,7 +238,7 @@ public struct MessageListView<Factory: ViewFactory>: View, KeyboardReadable {
                         if scrollButtonShown != showScrollToLatestButton {
                             showScrollToLatestButton = scrollButtonShown
                         }
-                        if keyboardShown && diff < -20 {
+                        if messageListConfig.resignsFirstResponderOnScrollDown && keyboardShown && diff < -20 {
                             keyboardShown = false
                             resignFirstResponder()
                         }