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bug#69305: outline-minor-mode for tabulated-list-mode
From: |
Juri Linkov |
Subject: |
bug#69305: outline-minor-mode for tabulated-list-mode |
Date: |
Thu, 22 Feb 2024 19:30:20 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/30.0.50 (x86_64-pc-linux-gnu) |
>> +@defvar tabulated-list-groups
>> +This buffer-local variable specifies the groups of entries displayed in
>> +the Tabulated List buffer. Its value should be either a list, or a
>> +function.
>> +
>> +If the value is a list, each list element corresponds to one group, and
>> +should have the form @w{@code{(@var{group-name} @var{entries})}}, where
>> +@var{group-name} is a string inserted before all group entries, and
>> +@var{entries} have the same format as @code{tabulated-list-entries}
>> +(see above).
>> +
>> +Otherwise, the value should be a function which returns a list of the
>> +above form when called with no arguments.
>> +@end defvar
>
> I think the way to specify ENTRIES for this customization should be
> described in more detail. Reading the above description, even the
> idea of using ENTRIES for specifying grouping is unclear, since
> tabulated-list-entries is basically just a list of column descriptors.
But ENTRIES are described in 'tabulated-list-entries'. Here ENTRIES
are no different from 'tabulated-list-entries' that are just
column descriptors.
>> +(defcustom Buffer-menu-group-by nil
>> + "If non-nil, buffers are grouped by function.
>> +This function takes one argument: a list of entries in the same format
>> +as in `tabulated-list-entries', and should return a list in the format
>> +suitable for `tabulated-list-groups'. Also when this variable is non-nil,
>> +then `outline-minor-mode' is enabled in the Buffer Menu. Then with the
>> +default value of `outline-regexp' you can use Outline minor mode commands
>> +to show/hide groups of buffers.
>> +The default options can group by a mode, and by a root directory of
>> +a project or just `default-directory'."
>> + :type '(choice (const :tag "No grouping" nil)
>> + (function-item :tag "Group by mode"
>> + Buffer-menu-group-by-mode)
>> + (function-item :tag "Group by root"
>> + Buffer-menu-group-by-root)
>
> I think the description text should be "Group by project" or "Group by
> project root directory" or maybe "Group by project or directory".
> Just "by root" is too vague.
Ok, then will use "Group by project root or directory".
>> +If `tabulated-list-groups' is non-nil, each group of entries
>> +is sorted separately after printing the group header line.
>
> The part following "after printing" is IMO more confusing than
> helpful. What will be lost if you remove it?
Oops, this was too ugly, will remove this part.
>> +(ert-deftest tabulated-list-groups ()
>> + (with-temp-buffer
>> + (tabulated-list-mode)
>> + (setq tabulated-list-groups
>> + (reverse
>> + (seq-group-by (lambda (b) (concat "* " (aref (cadr b) 3)))
>> + tabulated-list--test-entries)))
>> + (setq tabulated-list-format tabulated-list--test-format)
>> + (setq tabulated-list-padding 7)
>> + (tabulated-list-init-header)
>> + (tabulated-list-print)
>
> This seems to test only the function value of tabulated-list-groups?
> What about the other form of the value?
The other forms have no functional difference.
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/21
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/21
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/22
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/22
- bug#69305: outline-minor-mode for tabulated-list-mode,
Juri Linkov <=
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/22
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/23
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/23
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/24
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/24
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/24
- bug#69305: outline-minor-mode for tabulated-list-mode, Adam Porter, 2024/02/25
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/25
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/25
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/27