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Re: [PATCH] file chooser: Restore consistent click behavior (for gtk 3.20)




On Thu, 2017-10-05 at 11:46 +0200, Jean Delvare wrote:
The change in single-click vs double-click in the GTK 3 file chooser
from commit fb0a13b7f070 ("file chooser: Allow activating without
double-click") causes more problems than it resolves. There have been
a lot of complaints about it:

* The first item in a directory is selected by default, so a
  double-click on it misbehaves. Specifically, if that item is a
  directory, the first click enters the directory, and the second
  click will apply to whatever is listed first in that directory
  (which is also selected by default, so effect is immediate.) This
  is unexpected and quite confusing.
* The ability to activate a selected file or directory with a single
  click interacts badly with selection of multiple files. If you
  start the selection with a file which was already selected, then
  that file is immediately opened, before you have a chance to
  complete your selection.
* This new behavior is inconsistent with Nautilus, GTK 2 applications
  (which are sill many) or basically any other existing GUI toolkit.
  Having incompatible behavior between applications is confusing for
  the user.
* While a number of people are advocating the ban of double-click and
  the use of single-click for everything to make computers easier to
  use by non-tech-savvy people and people with limited abilities,
  this change does not even achieve that.

If the problem that this change was supposed to address is that
double-clicking fast is a challenge for some people, this issue
should be addressed at the desktop environment level, by
accessibility tools and/or mouse configuration. The GTK 3 file
chooser is way too high level and specialized to handle this.

So the best thing to do is to revert this change. Ubuntu has already
done so, and SUSE is in the process of doing the same.

https://bugzilla.gnome.org/show_bug.cgi?id=758065


You are just bringing back the complaints about double-click.

There is no winning here, and I will not support any simple reversal
unless it comes along with a person who is willing to maintain the
filechooser long-term, and field all the complaints from the 'its still
not the same as nautilus' crowd.

IMO the way forward for the file chooser in GTK+ is
GtkFileChooserNative, making this entire mess somebody elses problem.

Can't you just add ability to change single- or double-click behavior in
dconf?

For example you can create setting
"/org/gtk/settings/file-chooser/click-mode" with two possible values
"double" or "single".
If "click-mode" is set to "double", do nothing because this is default
behavior of GtkTreeView. If "click-mode" is set to "single", set
"activate-on-single-click" property of GtkTreeView class to "true".

It's all. It seems to me it would be simple to maintain in the future.
And this way is more consistent — you always have to double-click or
single-click. Also you don't have to write a lot of code — all it's
needed is in GtkTreeView now.

---
Tomasz Gąsior
https://tomaszgasior.pl
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