GraphiteEditor/Graphite

Local-axis grab (G key) dashed line should show only the X or Y component, tilted

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#3341 opened on Nov 4, 2025

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Good First Issue

Description

G lets you enable grab and then hit X or Y once for a global axis (document space) and a second time for a local axis (layer space), but the dashed line visualization is drawn incorrectly in the latter case:

https://github.com/user-attachments/assets/1e049146-e215-4abb-9f81-27f62e398836

When transforming in local space, it should tilt the dashed line with the local space as well, and draw just the X or Y component instead of both.

See this comment for a little more detail.

Contributor guide

Tech stack
rust
Domain
desktop
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.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Rustgraphics programmingunderstanding of transforms
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65
Research direction
Read the referenced comment (issue #3527 comment) for additional context on expected behavior. The bug is in the dashed line visualization during grab with local axis constraint. Currently it draws both X and Y components; it should draw only the constrained axis tilted with the layer's local space. Search for the drawing code for the dashed line (likely in the viewport rendering module) and the logic that determines whether the axis is local or global.