The new Colors KCM includes the "apply on double-click" feature requested in https://bugs.kde.org/show_bug.cgi?id=398303.
This patch adds that feature to other recently ported KCMs, except for the Look And Feel KCM, where there is still an unanswered question regarding how to handle the destructive checkbox.
Double-click on the items in the Icons, Plasma Theme, Cursors, and Splash Screen KCMs. The new setting is instantly applied.
CCBUG: 398303
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+1 to this. It's nice when you already know what you're doing and want to change a setting quickly.
We should definitely be consistent. So either this or removing it from colours.
Personally I don't like it, we don't use double click anywhere else throughout all of Plasma, and given there's no visual hint upfront from a user POV it's random behaviour.
One of the things I loved about macOS when I was a user was how many little hidden accelerators like this were sprinkled throughout the OS. You don't find them unless you go looking, but once you've found them, they're indispensable. There was a whole website I used to follow back in the day to learn about even more of them: https://hints.macworld.com/
I don't think this would be too non-discoverable anyway; I was actually surprised that a double-click didn't function this way the first time I tried it. Double-click on a grid element to select + apply seems fairly natural to me at least.
I think having some hidden, non-essential features that speed things up here and there is not a bad idea. It's not an objective reason, but I think a lot of people enjoy finding features like these. It turns the software into something to be mastered while still appearing simple at first. One of my favorite pieces of software, FL Studio, is absolutely littered with these kinds of features (perhaps going too far with it) and everyone who uses it loves sharing tips and tricks and finding new ones. It helps bring FL Studio users together and makes them more proud of being FL Studio users.
Yep. macOS used to be the same way. It becomes a point of pride, and a way for expert users to increase their expertise and bring other users in their circle of friends up to speed.
-1 for this:
if this is going to be used, it should be in the base component (where you can safely assume that kcm.save will exist) and have it as mandatory for every kcm
also, as the principle of the feature i agree with Pino
I don't recall any non instant apply dialog anywhere which becomes magically instant apply on doubleclick
That's true, this would be new and unprecedented. But it that necessarily a bad thing? It's just a hidden accelerator, that's all. It feels very natural to me, and IMO it's far nicer than having to click the Apply button after selecting a new style/theme/wallpaper/whatever. That awkward workflow is one of my biggest pet peeves with System Settings.
Maybe this patch isn't the best way to fix that, but in that case I'd like to start a conversation regarding how we do fix it, because it's a real problem. We are now the last people not using the "Instant Apply" paradigm. While it's not so bad in most places, I find it really awkward and unwelcome in these grid view KCMs.
We remain in a situation where the Colors KCM has this feature, but none of the others do. I really like having it as a hidden accelerator there, and I miss it in the other KCMs. I think we need to implement this everywhere, or remove it from the Colors KCM. But honestly I don't really see what we would gain if we did that.
Indeed, this misfeature ought to be removed from the colors kcm for the reasons stated above.