Seeing like a state

The post about the dark mode toggle reminded me of two similar things rattling in my brain. On the positive side, here’s a delightful interaction from macOS. I can easily maximize the window to take up half the screen, but the moment I start dragging it, it recalls and nicely restores itself to its original size: macOS designers correctly figured out that the window being maximized or half-maximized is a state – but it has to be a state dressed up as a size. The button entry point is the “state” version. But on the way in, there is also a more natural “size” version: you can have the window snap and maximize to half screen when you drag it to the right edge. And on the way out? You just saw it. You don’t have to switch the state to “non maximized” first, and you don’t have to restore to the original size by hand. Here’s a bad example – one of the macOS’s horrible settings pages: So far, it seems good. Some of the toggles are on, some off. You not only see a position of the switch…