Triforce : an element of ergonomics for spreadsheet

What follows is a proof of concept of the «Triforce» element of ergonomics I imagined for spreadsheet (in particular LibreOffice, cf. Bug 66472).
Click on the three parts of the first cell to see what it does.
The goal is to demonstrate it is easy to do despite of the size of the cell.


 

First design

actionsDoubles actionsColonnes actionsLignes
triforce1 A B C D E
1
2
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4
5
triforce1 A B C D E
1
2
3
4
5

 

Second design

actionsDoubles actionsColonnes actionsLignes
triforce2 A B C D E
1
2
3
4
5
triforce2 A B C D E
1
2
3
4
5

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