gizak/termui

Add option to autoscroll Paragraph when appending text

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#125 opened on Feb 23, 2017

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enhancementgood first issue

Description

Hey,

I noticed there doesn't seem to be any kind of autoscroll feature when inserting new text with par.Text += "Text\n" and it is at the bottom. It would be nice to have this boolean available.

Also, it doesn't seem to be possible to not wrap text inside the par (when using the layout at least). Meaning, text will wrap as you decrease the width. This works fine with lists though.

Thanks

Contributor guide

Tech stack
go
Domain
cli
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Gotermui library basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70
Research direction
Investigate the Paragraph widget implementation in termui, likely in elements/par.go. Look at how text is appended (Text +=) and how the viewport scrolls. Check if there is existing scroll functionality for other widgets like List. Consider adding a bool field like 'AutoScroll' and update the rendering logic to scroll to bottom after append. Also review the layout system to understand text wrapping behavior mentioned.