asmvik/yabai

Preserve layout after coming back from sleep

Open

#259 opened on Sep 19, 2019

View on GitHub
 (19 comments) (16 reactions) (0 assignees)C (28,871 stars) (713 forks)batch import
bughelp wanted

Description

I'm using a macbook pro with an external screen. Typically when it comes back from sleep, the macbook wakes up first, with the external screen coming in 10-20 seconds later.

Before the laptop goes to sleep, I have a nice layout with windows uniformly distributed between two monitors. Upon wakeup, because the second monitor takes its time, Yabai lays all of the windows on the laptop screen, and the external monitor is empty. I then manually reshuffle windows.

I dont mind it too much, but was hoping that there's maybe a way to avoid this that I'm missing.

My complements for a wonderful piece of software. I really missed something like this since I switched from Linux and ion3 a number of years ago.

Contributor guide

Tech stack
c
Domain
desktop
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.
1-2 days
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.
mostly clear
Prerequisites
understanding of macOS power management eventsfamiliarity with yabai's layout engine
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
Investigate how yabai currently handles display attach/detach events and sleep/wake cycles. Look at src/display.c and src/window.c for layout management. The issue suggests that upon wake, windows are moved to the primary display before the external monitor is available. A potential fix could involve saving the current layout configuration before sleep and restoring it after all displays are available. Check macOS notification hooks for sleep/wake and display changes in the codebase. Review any existing event handling in src/event.c.