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Middle click on tab bar to search or open content of a clipboard

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风起故里
风起故里
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Hi everyone, long time returning user here, thanks for your help!

The default setting of middle click on new tab button (the "+") and middle click on empty space on tab bar are both "open blank new tab".

With the "browser.tabs.searchclipboardfor.middleclick" option in about:config, I am able middle click on new tab button (the "+") to open a new tab and search for the content of my clipboard at the same time.

However, I am looking to middle click on the empty space on tab bar to search for content of my clipboard. Essentially swapping the function between middle click on "+" and middle click on empty space on tab bar, when "browser.tabs.searchclipboardfor.middleclick" is set to "true".

I know how to use userChrome.css in general, but I have not figured out a way to achieve above goal...

Hi everyone, long time returning user here, thanks for your help! The default setting of middle click on new tab button (the "+") and middle click on empty space on tab bar are both "open blank new tab". With the "browser.tabs.searchclipboardfor.middleclick" option in about:config, I am able middle click on new tab button (the "+") to open a new tab and search for the content of my clipboard at the same time. However, I am looking to middle click on the empty space on tab bar to search for content of my clipboard. Essentially swapping the function between middle click on "+" and middle click on empty space on tab bar, when "browser.tabs.searchclipboardfor.middleclick" is set to "true". I know how to use userChrome.css in general, but I have not figured out a way to achieve above goal...