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Is there a way to sort konqueror columns using the keyboard?

Not that I am aware of.

Often I use the columns to resort files based upon what I am doing to provide a different view perspective.

Ever since I encountered my mouse misbehavior a while back I have been using the keyboard more and more. I should start a journal and note which tasks are difficult without a mouse.

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Is there a way to invoke the context popup menu with the

keyboard

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when a file is selected?

On my system i can use the right window key to do that. The very first time it seems to take a while. Can you confirm that? Perhaps a bug similar to the Alt+F1 one. New bug report?

Ah yes, the infamous special "Super" keys. My main desktop keyboard does not have any such keys. I have them disabled on the laptop because I am continually inadvertently bumping the keys, and the popup menus distrupt my thinking and work flow.

Looks like we need a shortcut.

Darrell