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Tabs, groups, and splits

A Calyx window is structured as three layers: groups → tabs → splits (panes).

Action Shortcut
New tab Cmd+T
Close tab Cmd+W
Switch by number Cmd+1Cmd+9
Next tab Cmd+Shift+]
Previous tab Cmd+Shift+[

Double-click a tab to rename it. Drag tabs in the tab bar or sidebar to reorder them.

Groups are containers that hold tabs. There are 10 color presets, and groups can be collapsed or expanded from the sidebar using the chevron.

Action Shortcut
New group Ctrl+Shift+N
Close current group Ctrl+Shift+W
Next group Ctrl+Shift+]
Previous group Ctrl+Shift+[

Double-click a group heading in the sidebar to rename it.

You can split a tab horizontally or vertically to lay out multiple panes.

Action Shortcut
Split right Cmd+D
Split down Cmd+Shift+D
Focus adjacent pane Cmd+Option+arrow

Focus moves by direction (left, right, up, down), which stays intuitive even with complex layouts.

When you quit Calyx, the open tabs, splits, and working directory for each tab are saved. On the next launch, the state is restored so you can pick up where you left off.