Test new tab sizing option fixed

[bpasero]

Refs: #40290

• anyOS @deepak1556
• anyOS @karthiknadig

Complexity: 3

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Make sure to have editor tabs enabled and configure workbench.editor.tabSizing to the new option fixed. This new option will ensure that each tab gets the same width and further makes it easy to rapidly close tabs using the mouse by keeping the sizes of the tabs stable until the mouse moves out:

Testing

• all tabs have an even width up to a minimum and then a scrollbar appears
• the initial tab width can be configured with the new workbench.editor.tabSizingFixedMaxWidth setting
• move tabs around, open new ones and close them and verify things work in one or many editor groups
• pin some tabs (from the context menu) and verify things still work as before
• play around with various tab settings and verify nothing breaks or looses functionality
  • workbench.editor.tabCloseButton: set to left or off
  • workbench.editor.showIcons: set to false
  • workbench.editor.pinnedTabSizing: set to compact or shrink with pinned tabs
  • workbench.editor.wrapTabs: set to true and having many tabs open so that they wrap
• there should never be any screen 🧀

[deepak1556]

and then a scrollbar appears

Can you clarify where the scrollbar should be seen ?

[bpasero]

@deepak1556 a horizontal scrollbar below the tab stripe when the available width is not enough to fit all tabs. it only appears when you hover over.

[kpatelPro]

Would love workbench.editor.tabSizingFixedMinWidth. At present tabs will shrink much more than I would ever like... down to where I can only read ~5 characters of the name of a file in the tab.

Could also be implemented as generic workbench.editor.tabSizingMinWidth, and be used by both tabSizing:fixed and to specify the desired width for tabSizing:shrink