Nautilus Extra Pane Removal: Myth Busting

Since I announced the birth and the growing-up of Nautilus' extra pane in this blog I guess it's only fair to also mention this feature's silent death here.

There's been a lot of vandalism happening in the repository lately, and unfortunately, the extra pane was one of the victims. But it's in good company, joining type-ahead selection, compact-mode, and the tree sidebar into nirvana.

All these removals came somewhat as a surprise to me, as they seem to directly oppose Nautilus' mission statement. So I guess this has been superseded. Too bad that this wasn't communicated - people would have been less surprised.

So, let's have a critical look at the reasoning for the removal of the extra pane.

Starting with the bug report:

Extra Pane mode was somewhat useful before GNOME 3 had side by side window mode.

Fun fact: That's the first time that I hear a GNOME designer call it "somewhat useful". Usually, the reaction was WE ALL HATE IT (capitals are theirs, I left the double-underline out). Anyways, historically, the extra pane was introduced because of GNOME 3 (see linked mission statement above), not despite of it. Nautilus wanted to make the move from a document launcher to a file manager, because of the GNOME Shell taking over the launcher part. Now, I am not sure where it's moving. File management isn't the focus anymore for sure, looking at all removals combined. It seems the focus is to look pretty. For all those users who start Nautilus to lay back and enjoy its look, as opposed to getting work done. I wonder how many of those exist, outside of the designer world.

That brings us to the most stated reason for the removal of the extra pane: The claim that it has become obsolete due to window snapping. That is just factually wrong.

The main point of the extra pane is to have a default target for file operations. Many operations work on files in two distinct locations: Copy or move files from folder A to folder B. Or from a remote location to the local computer. Or from a USB stick into the document folder. The extra pane introduces this concept of "that other location". So it's possible to get the job done with a single menu item. Or even with a single shortcut key (functionality that was also removed but that I was allowed to bring back).

This inherent connection is the feature that the extra pane offers. It's really a lot different to displaying two random windows side-by-side. That snapping looks somewhat similar doesn't make it a replacement for the feature.

Let me give another example. The inherent connection between the two panes is also available from inside Nautilus Scripts. A have a script that just "diff's the right thing", be it two files in a directory, two files in different directories, or two directories. The script is trivial. With a shortcut assigned to it, these little things help me work. A lot.

Only after somebody showed me this "one key press diff the right thing" feature with window snapping, similarly easy to do and to set up, can he argue that window snapping obsoletes the extra pane.^¹

The visual side-by-side display of extra pane is just a nice added bonus to the feature. But even visually it's way better than window snapping:

• It doesn't need to be full screen. Last time I checked, GNOME was also supposed to be used on desktops - many of which have big screens nowadays.
• It's easy to get that view, and to get rid of it again. One menu item or button press, instead of mouse placement origies.
• It has less visual clutter. No double sidebar, no double menu, and so on
• It's easier to see which pane is selected (actions are applied to the pane that isn't greyed out, genius)

Some of these side-aspects can be taken care of. By horrible hacks, though. Or by removing yet more features. If nothing is left, nothing is duplicated.

C'mon, if you want to argue against the extra pane, you can do better. I mean, if you're on a mission, I'm sure you can think of some more convincing arguments. Let's see...

The combination of panes and tabs is just too much.

And then you decide to move the feature that cannot be handled by window managers into the window manager, and leave the feature that could inside Nautilus? Interesting. In a weird way.

It is inconsistent with the file chooser

In what way? That the file chooser cannot open two panes? Sure, that's because it's a file chooser, not a file manager. By the way, Nautilus has a few features left that the file chooser cannot do either. Like copying and moving files. Or renaming. I see a bright future for Nautilus after you've made it consistent with the file chooser. Or, as has been written in eloquent newspeak: When Nautilus receives yet more "love".

and doesn't work well with touch.

What's wrong with it? And why will window snapping be better? I think it's actually easier to action a menu item than to start and drag-and-drop two windows to snap.

Do you guys actually realize that your whole reasoning consists of either false or unelaborated claims?

We would like to add a more explicit copy/move feature shortly.

I doubt you can introduce the "default target" functionality otherwise in a clearer way. And - even if you could - here's a wild idea: Strip the features out after you have a replacement. Not before.

That's basically it for the bug report and commit msg. But the blog post that I linked to before has more:

The first reason was that it was undiscoverable.

What a reason. Make it more discoverable, then? I thought you were a designer?! Of course, that would mean that you're not on a mission.

this one also stood in the way of providing a better alternative

What alternative? How did it stand in the way? Don't be so fuzzy - where is the beef?

Even if you never used the Extra Pane you always had useless Move To and Copy To items in the menus.

In fact, having these menu items always displayed was a review comment, because that's supposed to be the GNOME way. The original patch only showed them when an extra pane was open. Now, this is brought up as a reason to remove the feature? Funky.

Should we keep the feature for which we have a new and better alternative in Nautilus

We don't have that! I explained it numerous times, but my comments have always been ignored. Provided that you read comments on your own bug reports, you actually know better. Which leaves an ugly after-taste.

I'll leave the side-by-side snapping out, becaues I've covered it already. Which brings me to

and a pile of bugs getting no attention in bugzilla

Now, this is the point that really makes me furious, and that probably makes my mails and posts more explicit than they otherwise would be. The design team has always been badmouthing my work on that feature. It started with "extra pain", claimed that it was "messy code", that "files vanish".² Now, they claim that we had oh-so-many bugs (but of course secret ones, which they won't tell you about).

Of course, I asked dozens of times what's so messy about it. I love being reviewed. Receiving and doing reviews is one of the best ways to learn and advance. However, I never, ever, got an answer.

Which turns the statements from criticism into slander. Disgusting behavior.

Of course, these claims spread over the web, where you can now read all day long that the feature was removed because it was oh-so-buggy and an oh-so-bad hack on top of Nautilus instead of making it properly, and so on.

That's just not true. The extra pane patch (which consisted of about 2000 lines, by the way - for a quick hack I would probably have needed 10 or so) introduced some architectural changes that make sense even if you don't want to have the extra pane. In fact, it would have been smart to keep those, even if the feature was to be removed.

I think I've covered all of the argumentation brought up so far that led to the removal of the extra pane in Nautilus. Not a single item with substance.

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1 Fun fact: I like window snapping, too. Actually, I even had a locally patched Metacity on my machine that did snapping somewhere in the middle of GNOME 2 already. It's cool to have Evince and a LaTeX editor open side-by-side, for example. If snapping could have replaced the extra pane, I would have cleaned up that patch and submitted it, instead of putting lots of effort in the extra pane. But I didn't, because snapping cannot replace it.

2  Edit: When hearing about the "files vanish" part, naturally, I got a bit nervous, and immediately tried to find out what that statement was about. Turned out that there was no data loss, in fact no bug. And the reaction on my inquiry was a huffy note along the lines of "can't we talk without filing bugs?", followed by "what a crappy comment". D'oh.

Nautilus in the stress field between design and function

So, there's been a lot of talk about Nautilus' present and future design. Especially Izo's article collects some interesting proposals for design enhancement that are in my opinion very well worth consideration. It does, however, also contain some points that make me feel a little uneasy.

Naturally, UI redesign comes not only with re-organisation and re-design of existing functionality, but also with omitting of unimportant components. Also naturally, the latter part is tricky to get right, because people don't like it when the functionality that they are habituated to use is suddenly gone, without any accessible replacement. I don't mean to say that UI reduction is impossible, but it's something that has to be considered carefully, according to the focus and target audience of the project. This is a hard process, because individuals or small groups don't necessarily cover all the use-cases that an application wants to address.

Izo seems to have a typical case of forgotten addressed use-cases in his review when he writes about the stop button:

"The stop button. More useful in web browsers, if you want to stop the web browser from loading a page, completely useless in a file manager, where file accessing times are considerably quicker than web browsing times. You simply never have an opportunity to stop the file manager from loading a page. It’s an old relic. I’ve never used the stop button."

That you have never used a stop button in a (network transparent!) file manager does not mean that it's "completely useless". Got the hint in the parentheses? Nautilus does indeed want to support network filesystems, be it NFS and friends or GIO/GVFS mounted stuff. Loading these is actually not too different to what you do with your browser. These can clearly be very slow, and that you didn't think of that just shows that you forgot an important use-case that Nautilus wants to support, because you have no personal use for it.

Now, I am not saying that the stop button is the best design for that. It most probably isn't. One could for example test if it could be combined with your proposal of the "refresh" button: Display the "refresh" symbol when the displayed location is fully loaded, and put a little stop symbol there while it's loading (this combination of stop/refresh has been proposed before in "Simplified Nautilus").

People are different, and have different ways to use applications. Many other proposals, for example, just assume that the sidebar is visible. You mean to save a little bit of screen space by omitting the small "Home" toolbar button, arguing that it's also accessible in the sidebar? Well, when I look around, a fair number of computer-novices that I see don't have the sidebar visible at all. When forcing it upon them, they actually loose a lot of screen estate, and have a lot more unwanted UI elements in their face. Combine that with the talk about removing the menu bar alltogether (and thus loosing the habituated easily accessible way to toggle the sidebar visibility), and you have a good potential to regress usability for a non-negligible part of your target audience. In the end, people don't open Nautilus to lay back and enjoy its look, but to get work done.

I am also not entirely convinced that it's so bad to have two toolbars. I mean, how much screen estate do you loose, in reality? For one thing, the toolbar covers less space than the sidepane. In browser mode, you typically don't have dozens of Nautilus windows on a single workspace (and as I said, the toolbar covers less space than the sidepane). On the other hand, even if you have reduced the number of toolbar buttons to six plus a wide-enough search window, as your mockups show, what's better: To use a few vertical pixels, or not to be able to see your current folder "Pictures from Patrick's wedding where aunt Maggie got really drunk"? Hard to say.


Split View - Curse or Blessing?

Having the location bar embedded into the toolbar items also has another problem: It doesn't work well with the a split-view filebrowsing mode. This mode got some very harsh criticism at the recent designers hackfest that I stumbled upon by coincidence (strangely, this discussion didn't find its way to Nautilus communication channels yet). I wrote some comments on the corresponding blog posts, but I also want to write a small comment about that here on my own webspace, without the risk of being moderated (as seemed to have happened on other people's digital homes, which obviously found my remarks unpleasant).

First of all, I am disappointed by the way the criticism was expressed. The designers may very well have some valid points, but I wouldn't know, because they seem to actively refuse to answer my request to elaborate on their non-descriptive slating. Also, there are some remarks that make it look like they didn't even give it a fair try before condemning it.

A reccurring question was "why split-view", and the proposal to implement panes in the window manager instead. This is a valid question, and has in fact been discussed on the Nautilus mailing list. (Hint: In general, project mailing lists are a good place for both, to research design decisions and to ask the "why" question.)

Fact is, split-view filebrowsing is not trying to solve window manager shortcommings on the wrong level. Even if Metacity had snap today, this wouldn't be an alternative.

The key difference is the inherent connection between those two panes, which gives clear benefits. When you want to do file management (which is now becomming the key-focus of Nautilus), you often have to deal with two locations at the same time: The source, and the target. What split-view does is to display a "default target" right next to the source. That's why it makes sense to have 2 panels, but not 3 or 4.

This default target is accessible in the menu, via the "{Copy| Move} to other pane" items. Users that need to do heavy-duty file handling can assign keyboard shortcuts to those menu items, and move around files with a single button press.

The “default target” notation offers even more for advanced users, which can access both the source and the target pane in their Nautilus Scripts (and write for example a “diff these two directories” script with very little effort). This surely isn’t possible with a WM snap either.

Users with simpler needs aren’t really affected much by of all this. The only effect for them is that “extra pane” option in the view menu that they don’t wanna click.

I actually think that it is a very natural model to show source and target location when they are that fundamental to the typical action that the user wants to do with a given application. I find it much more intuitive than the clipboard copy/paste stuff that is generally accepted because people got used to this strange idea.

Photo © Adventures in Librarianship on flickr, cc-by-nc-sa

Nautilus Split View and Upstream

Check out that screenshot about the current state of splitting a Nautilus window:

The exciting thing is that this is not a screenshot of my split-view branch, but of Gnome git master.

So after successfully using the split view branch for Nautilus for several months, and (mostly thanks to the PPA) getting some feedback from others, I finally requested a review for it. Turned out that I had a good timing, because with the upcomming Gnome Shell, a debate is currently going on anyways about the future role of Nautilus. With a possible switch away from being a desktop shell and towards more typical file management tasks, split-view fits better into the picture as it used to.

I am very happy that Alex Larsson picked up the task to review and clean up the branch. Even more so as he recently commited a reviewed version to Gnome git master, which can be seen in above screenshot.

The UI is not yet final, and there are a few issues still to be worked out, but I really like the route that it's going. So, if all goes well, there won't be any Nautilus packages for Lucid in my PPA..

Excursion to Packaging-Land

I just pushed a new branch that cherry-picks most of the commits from the split-view branch of Nautilus, but only requires dependancies that are available on a standard Ubuntu Jaunty installation.

More excitingly, I just uploaded packages for this branch for Ubuntu Jaunty to my PPA. The primary reason was to make it easier for me to use the branch at work. But of course, this also makes the code more accessible for Ubuntu users, so I hope for more testing reports.

Nautilus Split View Update

I've been working on cleaning up the history of the my Nautilus split view branch, and basing it on the official git repository. That's done now, so consider this post a call for testing! Grab the source and get it running. Please send emails with bug reports, patches, remarks, and also success stories. I'd also be interested in reports from spatial-mode users, just to make sure the patchset doesn't introduce any regressions for them. I'd really like some more testing before requesting a review upstream.


Some visual polishing took place compared to the old screencast, for example the thin border in the theme's selected-color around the active pane, and shadow around the inactive pane.

The buttons with the greyed-out look in the location bar on the right side of the screenshot are in fact sensitive. Clicking e.g. directory buttons changes to the respective directory and also make that pane active. The grey zoom control widgets and the insensitive-looking background work in an analogous way. That's not exactly HIG-compliant, but it seems very natural and intuitive.

Easter weekend coding fun

Had some slack time over the easter weekend, so I was able to do some fun coding.

The Nautilus crew accepted two small patches of mine to deal with keyboard shortcuts. Now it's possible to assign shortcuts to Nautilus scripts, and the shortcuts are remembered accross sessions. That's fixing two long-term annoyances of mine. It landed just in time for Gnome 2.26.1, meaning the Ubuntu Jaunty is shipping the fixes already. Good timing.

The Nautilus split view branch that I have been blogging about (Planet readers: There is a screencast embedded in the previous post) is an ongoing pet project. I consider the branch pretty feature complete, except maybe background color modification of the inactive pane. However, the branch is currently based on an older revision, so the next big thing to do would be rebasing to the current state. In general, I am not hesitating to rebase the public branch on github when appropriate, even though I know that it's bad. Drop me a message if you want to contribute, and that poses problems for you. Anyways, with Gnome moving to git, all that is becomming easier, especially for externals. Did I already mention that git is awesome?

Of course, Claws Mail got some love, too. The notification plugin got support for window manager urgency hints and the fd.o sound specification. It also got a reworked bubble logic, to fix issues with Ubuntu's broken notification daemon. That will be going into cvs once I was able to test with Ubuntu Jaunty. I also wrote a little patch to include Gnome's addressbook in Claws Mail's address completion. The latter is not likely to go into cvs, but I may wrap the patch up and create a plugin for that.

Splitting the Shell ...

... but hopefully without cracking it completely.

Some time ago, I read up on split view filebrowsing in Nautilus, Gnome's desktop shell. The requests, comments, discussions, polls, and flames fill endless bugreports, forums, ideas, articles, and mailing list threads. Well, I am one of those people that like Nautilus, but miss the split view capability during heavy duty filebrowsing jobs. I liked Norton Commander back in the old days, and its numerous successors. And I am not alone.

So, in the true spirit of Open Source, I finally got my hands dirty and got a shot at it. It's not completely finished, but in a state that allows for a screencast preview:



The code is hosted on github:
$ git clone git://github.com/hb/nautilus.git
$ git checkout -b split-view origin/split-view


But will it blend? That is the question.

I am curious if that branch will make it upstream. If you'd like that, you can help with testing and reporting (both, failures and successful uses)! While the patch is UI-wise minimal-invasive, quite a lot of code had to be shoveled around, so I am happy about every tester.

(the beautiful shell picture is by giopuo, published on flickr under Creative Commons by & share alike)