Support horizontal split-screen for vertical monitors

Originator:adam
Number:rdar://30590912 Date Originated:18-Feb-2017 05:44 PM
Status:Open Resolved:
Product:macOS + SDK Product Version:macOS 10.12.3
Classification:Enhancement Reproducible:Not Applicable
 
Area:
Spaces

Summary:
The split-screen feature is very useful on monitors with a horizontal aspect ratio. Unfortunately, it only supports a vertical split. This limits its usefulness on monitors with a vertical aspect ratio. Horizontal split should be supported.

Steps to Reproduce:
1. Use the Displays preferences to rotate an attached display by 90º.
2. Drag two or more windows onto it.
3. Long click a window’s zoom button to initiate split screen.

Expected Results:
The system adapts to the aspect ratio of the display, and splits the screen horizontally.

Actual Results:
The split is still vertical, which severely limits the usefulness of the feature.

Version:
macOS 10.12.3

Notes:


Configuration:


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