>On 13 October 2011 07:14, Duncan <1i5t5.duncan@xxxxxxx> wrote: > Over the months and years since kde4 came out, I've read a lot about > activities... and they always seemed "nice" in an abstract "wow, it's > nice they can do that" kind of way, but not necessarily something I'd use > a lot, personally, tho I couldn't really put my finger on why I wasn't as > personally enamored with them as I might be. > > Today I figured it out. > > The trigger for my epiphany was reading yet another blurb about another > article by Aaron Seigo on activities, as it happened, on his epiphany > that lead to the ideas that have gradually evolved into activities as we > know them in kde (and the new plasma-active). > > Here's the article: > > http://aseigo.blogspot.com/2011/10/activities.html > > Quoting the first couple paragraphs (combined) as they appeared in my > feed reader: > >> Several years ago now I had a minor epiphany while doing field research >> in the offices of friends and work associates on how people use their >> computers. The ideas led to the concept of "Activities", which I >> originally called "Projects" (we changed the name because it was about >> more than just things we could call a "project").The idea was fairly >> grand: you communicate to the computer what you are currently doing and >> it adapts to that. You would be able to teach it what it means to be >> doing that thing: "I use these files, talk to these people, need this >> network connection, want these applications ..." The teaching would >> happen over time as you engage in your activity, whatever it might be. > > > As I said, I finally got it, I think, and why altho it's a great feature > for general computer newbies, it's not all that impressive in actual > practice for me personally, because my personal assumptions are that of a > power user comfortable at the command line and with scripting. > > Basically, all activities are, from a computer power-user perspective, is > an automated method to batch a bunch of apps with their content together, > launching and shutting them down as a unit, potentially at the same time > changing configuration options that affect that activity -- disabling > screensavers and automatic display sleep cycles when activating a movie > activity, for instance, then activating them again when switching to some > other activity. I love this explanation. Short, simple, and concise :) If anyone asks me what Activities are, I will give them this answer. > > For a relative computer novice, or one more accustomed to taking an > adversarial position regarding their computer because they can never seem > to get it to work the way they want, as opposed to a computer power user > who appreciates the way computers work, and uses that to their advantage, > to the point they don't even realize half the stuff they're doing any > more as it's so intuitive to them now... to that non-power-user, > activities have the potential to open up a whole new world of automation > for them, one they never appreciated as existing, before. > > But, for the already computer power user, the story is far different. To > them, if they want a bunch of things to startup together, including a few > config changes, the intuitive answer is to write a script. This script > starts the apps and loads the appropriate data; if the intent is to watch > a movie, it runs xset and etc to turn the display sleep timeout off if; > if necessary, apps are started with a different title or profile or > whatever, using command line options, so the appropriate kwin window > rules will apply and place and size the window appropriately for that > activity, including the appropriate virtual desktop, always-on-top, etc, > settings; the script will either launch everything and quit, or wait > around to reset things when the user's done and shuts down the key app; > if necessary, the script will sleep a few seconds and then launch wmctrl > to reposition the windows; etc. > > FWIW, it can be noted that /exactly/ this sort of thing is what I do, > routinely. When kde4 killed khotkey multi-key support, I grumbled quite > a bit, then had the insight that I could accomplish the same thing by > having an initial key launch a customized menu app, that took the second > key and issued the appropriate command; a few hours later, I had exactly > that sort of solution scripted and running. As part of that solution, I > start a konsole session with a special profile, so kwin can detect that > it's not a normal konsole window, and treat it differently using window > rules. I routinely setup window rules as needed to get windows to go > where I want and behave as I want. At one point, the window name was > changing after launch and I couldn't get window rules to put it where I > wanted without using force, which then wouldn't let me move it if > desired, so I searched for, installed, and setup a wrapper script that > handled it all for me. I have scripts that launch a whole series of > commands in a particular order, waiting when necessary, etc. > > All this is now second nature to me, just part of using the computer. So > activities don't actually do much for me that I couldn't do already, only > with more control, because I setup the script/config/whatever to do > exactly what I wanted, when I wanted it. > > For this power user, therefore, activities aren't a big deal, since they > don't really offer me any sort of functionality I don't already have and > use more or less routinely. > > Meanwhile, that one word I mentioned two paragraphs up, control, is > important to me. Certainly at this stage, and I expect for some time > altho the kinks should be worked out eventually, there's all sorts of > bugs and unimplemented features in the activities implementation, at > least compared to what I'm already using. That's no fault of activities; > they're simply at an early stage in their evolution at this point, while > the various tools I currently use are reasonably mature by this point, > and my comfort and confidence level in using them relatively high. > > But, as someone mentions in the comments as an example; say they need to > know the bus schedule. They resume their laptop, start up the app, load > the schedule, find when the bus comes, then put the laptop to sleep. > Later, they shutdown. Oops, they forgot to shutdown this one-time-needed > schedule-lookup before the activity quit for shutdown -- now the thing's > associated with the activity! What they SHOULD have done was switch to > the "other/misc" activity, before starting the lookup, so it'd be > associated with it if they forgot, instead of with whatever other > activity they had been working on last. > > The non-power-user could well learn to take that sort of issue in stride > and live with it as a cost of all the power they now have with > activities. But that'd never satisfy a power user. When they startup > that activity, they want the stuff they configured for that activity in > the way they configured it, no more, no less, no unexpected bus schedule > apps starting just because that's they activity they were in when they > happened to check the bus schedule. > > With a script, that's how it works. The script only includes what you > put in the script in the first place, no weird bus schedule app because > you forgot to shut it down before shutting down the activity. It does > what it has been programmed to do, no more, no less. > > Plus, activities simply aren't that powerful yet. The features will > likely come, but there's a lot of experimentation and development, and > buggy first implementations to work thru, between now and then. > Meanwhile, the power user already has the tools at his disposal, or knows > where to get them, to do what he needs to do. They're reasonably mature > and do what they're supposed to do. No experimentation and development, > no buggy first implementations (but a script-writer's own) to go thru > before it's working exactly as the power-user desires. > > > So, yeah, activities might be nice... someday. But now I understand why > they don't seem like that big a deal to me, today, and why I've been > disappointed and frustrated with the still missing features and bugginess, > when I /have/ experimented with them. That's not their fault, or that of > the kde or plasma devs. That's just the state those tools are in. > Meanwhile, power users at least have had alternatives that do very much > the same thing, except with more predictability and control, for years. > It's the non-power-users that might at some point seriously benefit, and > yes, at some point, when it all "just works", it might be a reasonable > and by then lower hassle replacement for the existing tools the power- > user is using today, but even then, for the power-user, it won't be that > big of a deal, because they'll have been used to being able to do that > for years, and will have taken the ability to do so for granted. This > new tool will be just that, simply another tool in the toolbox to be > used, but not the only one that can do the job, and probably quite often, > not the /best/ one for the job, not because the tool isn't good at what > it does, but because what it does is a poor fit for the exact purpose the > power user had in mind. After all, a knife can often be used as a > screwdriver, but using the correct size/type screwdriver for the screw > does tend to make the job go much smoother. =:^) > > -- > Duncan - List replies preferred. No HTML msgs. > "Every nonfree program has a lord, a master -- > and if you use the program, he is your master." Richard Stallman > > ___________________________________________________ > This message is from the kde mailing list. > Account management: https://mail.kde.org/mailman/listinfo/kde. > Archives: http://lists.kde.org/. > More info: http://www.kde.org/faq.html. > ___________________________________________________ This message is from the kde mailing list. Account management: https://mail.kde.org/mailman/listinfo/kde. Archives: http://lists.kde.org/. More info: http://www.kde.org/faq.html.