Please add option to maximize window across two displays (not affected by Spaces API constraint)

[Perifractic]

Hi, love the app. I use two displays side by side for video editing. I have "Displays have separate Spaces" turned OFF in System Preferences. In other words macOS treats both displays as one Space / one desktop.

I'm often changing Final Cut Pro from using one display to using both, and I do this by dragging the right edge of the window on Display 1, across to Display 2, till it looks like this:

With Rectangle I can only maximize Final Cut to ONE display. It would be very useful to have an option to maximize it to BOTH displays, saving the need to drag the window edge across.

(Longer story: Final Cut sometimes gets confused and when I reopen it, the very wide window will start on display 2, so it has to be dragged back to display 1. Other times I resize it only to Display 1 or 2, when I need to have a script up on the other display. So I'm often going back and forth to widescreen dual monitor maximize, or single display maximize. Rectangle could make all that just a hotkey away.)

Let me know what you think. Thanks!

[rxhanson]

Thanks for the feedback. I might not get around to digging into this for a bit, but would definitely welcome a good PR for it in the meantime!

[Perifractic]

Absolutely! Thanks also for being so receptive to the idea.

[areyouready]

Same here, sometimes I like to expand my IDE to the second screen and it would be nice if rectangle could expand the application i.e. to two thirds of the combined screen space instead of just one screen.