I have put together a plugin for Oxygen called “Oxygen Sidebar Toggler” that adds two buttons to hide and show the left sidebar / controls.
Hide button hides the left sidebar. Show button displays the controls.
This could be useful to those who work on smaller laptop screens.
It is not 100% perfect in the sense that when the sidebars are hidden when we click on an element or press the +Add button only the left sidebar frame appears but not the actual controls. We need to click the Show button to show the controls and then they will remain visible until the Hide button is clicked.
Tested in Oxygen 2.1 Beta 1.
Sample screenshots (note the buttons at the bottom right):
Default state (open):
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