gitui-org/gitui

improper background color patterns when scrolling file content

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#1,551 opened on Feb 17, 2023

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bugdormanthelp wanted

Description

In the "Files [3]" I am trying to view the content of the files. When scrolling some background colors are not updated and a green-pink mess is seen. Unfortunately, I cannot attach the full screenshot due to private owned code. But please see the right side of guiui window where color glitches are seen.

OS/Distro: Debian 11 (Bullseye), Linux deb-ak 5.10.0-19-amd64 #1 SMP Debian 5.10.149-2 (2022-10-21) x86_64 GNU/Linux Terminals used where issue is observed: -- MATE Terminal -- xterm Rust version: 1.48 GitUi version: 0.22.1

image

Contributor guide

Tech stack
rust
Domain
cli
Issue type
bug
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.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
RustTerminal rendering concepts
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
Investigate the scrolling and rendering logic in the terminal UI. Focus on how background colors are applied and updated during scroll events. Look at files related to drawing and event handling (e.g., src/ui/). Check for any caching that might prevent full redraws. Also consider terminal emulator differences. The issue mentions MATE Terminal and xterm, so ensure compatibility.