From 5b8880ebc80e3ce4ab4bc5118d1ca657e84c8834 Mon Sep 17 00:00:00 2001
From: Grail Finder <wohilas@gmail.com>
Date: Wed, 31 Dec 2025 16:18:18 +0300
Subject: Feat: scroll to end toggle

---
 bot.go              | 14 +++++++++++---
 config.example.toml |  1 +
 config/config.go    |  1 +
 tui.go              | 30 ++++++++++++++++++++++++++----
 4 files changed, 39 insertions(+), 7 deletions(-)

diff --git a/bot.go b/bot.go
index e8a40a7..b91c6e4 100644
--- a/bot.go
+++ b/bot.go
@@ -674,7 +674,9 @@ out:
 		case chunk := <-chunkChan:
 			fmt.Fprint(tv, chunk)
 			respText.WriteString(chunk)
-			tv.ScrollToEnd()
+			if scrollToEndEnabled {
+				tv.ScrollToEnd()
+			}
 			// Send chunk to audio stream handler
 			if cfg.TTS_ENABLED {
 				extra.TTSTextChan <- chunk
@@ -682,14 +684,18 @@ out:
 		case toolChunk := <-openAIToolChan:
 			fmt.Fprint(tv, toolChunk)
 			toolResp.WriteString(toolChunk)
-			tv.ScrollToEnd()
+			if scrollToEndEnabled {
+				tv.ScrollToEnd()
+			}
 		case <-streamDone:
 			// drain any remaining chunks from chunkChan before exiting
 			for len(chunkChan) > 0 {
 				chunk := <-chunkChan
 				fmt.Fprint(tv, chunk)
 				respText.WriteString(chunk)
-				tv.ScrollToEnd()
+				if scrollToEndEnabled {
+					tv.ScrollToEnd()
+				}
 				// Send chunk to audio stream handler
 				if cfg.TTS_ENABLED {
 					extra.TTSTextChan <- chunk
@@ -1130,5 +1136,7 @@ func init() {
 	if cfg.STT_ENABLED {
 		asr = extra.NewSTT(logger, cfg)
 	}
+	// Initialize scrollToEndEnabled based on config
+	scrollToEndEnabled = cfg.AutoScrollEnabled
 	go updateModelLists()
 }
diff --git a/config.example.toml b/config.example.toml
index 594e4da..2227c5e 100644
--- a/config.example.toml
+++ b/config.example.toml
@@ -18,6 +18,7 @@ ToolRole = "tool"
 AssistantRole = "assistant"
 SysDir = "sysprompts"
 ChunkLimit = 100000
+AutoScrollEnabled = true
 # AutoCleanToolCallsFromCtx = false
 # rag settings
 RAGBatchSize = 1
diff --git a/config/config.go b/config/config.go
index 112986b..ff428c9 100644
--- a/config/config.go
+++ b/config/config.go
@@ -28,6 +28,7 @@ type Config struct {
 	AssistantRole                 string `toml:"AssistantRole"`
 	SysDir                        string `toml:"SysDir"`
 	ChunkLimit                    uint32 `toml:"ChunkLimit"`
+	AutoScrollEnabled             bool   `toml:"AutoScrollEnabled"`
 	WriteNextMsgAs                string
 	WriteNextMsgAsCompletionAgent string
 	SkipLLMResp                   bool
diff --git a/tui.go b/tui.go
index c9788b7..1fc9ddd 100644
--- a/tui.go
+++ b/tui.go
@@ -36,6 +36,7 @@ var (
 	roleEditWindow   *tview.InputField
 	fullscreenMode   bool
 	positionVisible  bool = true
+	scrollToEndEnabled bool = true
 	// pages
 	historyPage    = "historyPage"
 	agentPage      = "agentPage"
@@ -88,6 +89,7 @@ var (
 [yellow]Ctrl+q[white]: cycle through mentioned chars in chat, to pick persona to send next msg as
 [yellow]Ctrl+x[white]: cycle through mentioned chars in chat, to pick persona to send next msg as (for llm)
 [yellow]Alt+1[white]: toggle shell mode (execute commands locally)
+[yellow]Alt+2[white]: toggle auto-scrolling (for reading while LLM types)
 [yellow]Alt+3[white]: summarize chat history and start new chat with summary as tool response
 [yellow]Alt+4[white]: edit msg role
 [yellow]Alt+5[white]: toggle system and tool messages display
@@ -203,7 +205,9 @@ func executeCommandAndDisplay(cmdText string) {
 	cmdParts := parseCommand(cmdText)
 	if len(cmdParts) == 0 {
 		fmt.Fprintf(textView, "\n[red]Error: No command provided[-:-:-]\n")
-		textView.ScrollToEnd()
+		if scrollToEndEnabled {
+			textView.ScrollToEnd()
+		}
 		colorText()
 		return
 	}
@@ -233,7 +237,9 @@ func executeCommandAndDisplay(cmdText string) {
 		}
 	}
 	// Scroll to end and update colors
-	textView.ScrollToEnd()
+	if scrollToEndEnabled {
+		textView.ScrollToEnd()
+	}
 	colorText()
 }
 
@@ -767,7 +773,9 @@ func init() {
 	updateStatusLine()
 	textView.SetText(chatToText(cfg.ShowSys))
 	colorText()
-	textView.ScrollToEnd()
+	if scrollToEndEnabled {
+		textView.ScrollToEnd()
+	}
 	// init sysmap
 	_, err := initSysCards()
 	if err != nil {
@@ -792,6 +800,18 @@ func init() {
 			positionVisible = !positionVisible
 			updateFlexLayout()
 		}
+		if event.Key() == tcell.KeyRune && event.Rune() == '2' && event.Modifiers()&tcell.ModAlt != 0 {
+			// toggle auto-scrolling
+			scrollToEndEnabled = !scrollToEndEnabled
+			status := "disabled"
+			if scrollToEndEnabled {
+				status = "enabled"
+			}
+			if err := notifyUser("autoscroll", "Auto-scrolling "+status); err != nil {
+				logger.Error("failed to send notification", "error", err)
+			}
+			updateStatusLine()
+		}
 		if event.Key() == tcell.KeyF1 {
 			// chatList, err := loadHistoryChats()
 			chatList, err := store.GetChatByChar(cfg.AssistantRole)
@@ -1292,7 +1312,9 @@ func init() {
 					fmt.Fprintf(textView, "%s[-:-:b](%d) <%s>: [-:-:-]\n%s\n",
 						nl, len(chatBody.Messages), persona, msgText)
 					textArea.SetText("", true)
-					textView.ScrollToEnd()
+					if scrollToEndEnabled {
+						textView.ScrollToEnd()
+					}
 					colorText()
 				}
 				go chatRound(msgText, persona, textView, false, false)
-- 
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