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The double chevron at the top of the tool bar, or View › Tools in Two Columns, lays the tools out in two columns, about half as tall, as Photoshop's tool bar can; it's remembered. The rail moves out of ContentView into its own view, its buttons unchanged. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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The problem today
The tool bar is one column of 15 tools plus the color swatches. On a laptop screen, or any window under about 900 pt tall, it doesn't fit: the last tools and the swatches are hidden below and have to be scrolled to.
What changes for the user
A small double chevron (»/«) at the top of the tool bar switches it to two columns, as Photoshop's can. It's about half as tall, so every tool and the swatches fit without scrolling. It's 92 pt wide instead of 56, and the choice is remembered. Tools, their order, highlighting, icons and the swatches behave exactly as before.
How to try it
In the code
ContentViewintoUI/ToolRail.swift(button code unchanged), laid out in rows by a small tested helper.IndicatorlessScrollViewgave its content a fixed 56 pt width; it now uses the scroll view's own width (its only user is the rail), otherwise the second column was cut off.ToolRailTests(4 tests): widths, order, the scrolling rail's width, and that two columns really are shorter.Can be trimmed
View › Tools in Two Columns does the same as the chevron and can go if you'd rather keep View short.
Tested on macOS 26.6 (Apple silicon): the full test suite passes. Not yet tried on macOS 27.
🤖 Generated with Claude Code