From: Alex Kost <alezost@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: Guix-devel <guix-devel@gnu.org>
Subject: Re: [PATCH] emacs: Add a name/version/synopsis heading in package-info buffers
Date: Fri, 31 Oct 2014 00:38:22 +0300 [thread overview]
Message-ID: <87d299dyr5.fsf@gmail.com> (raw)
In-Reply-To: <87fve5u27p.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Thu, 30 Oct 2014 14:16:58 +0100")
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Ludovic Courtès (2014-10-30 16:16 +0300) wrote:
> Alex Kost <alezost@gmail.com> skribis:
[...]
>> Thanks again, I really like your suggestion, I just prefer to keep
>> previous possibilities instead of replacing them with the new ones.
>
> Yes, why not. I’m a bit concerned about the cost of keeping several
> variants of different things, esp. because in practice almost only one
> variant would be tested. WDYT?
I try to keep track of all possibilities :-)
>> Are you going to make a commit or should I do it? (of course if you
>> don't have comments on my patch)
>
> Please go ahead!
OK, I'm attaching a patch. Is “Co-authored-by …” enough or should you
be credited in some other way?
> I’m thinking perhaps we should do something similar for the description
> itself, like display it right below the synopsis. Thoughts?
I think a simple heading may consist of just "name version" and other
parameters may be specified by a user. For this purpose I added
‘guix-package-info-heading-params’ variable. Do you think a description
should also be displayed in the heading by default?
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From 08cb220407388142adba3e6aa884dd0d2fd5a844 Mon Sep 17 00:00:00 2001
From: Alex Kost <alezost@gmail.com>
Date: Fri, 31 Oct 2014 00:11:55 +0300
Subject: [PATCH] emacs: Add package info heading.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
* emacs/guix-info.el: (guix-package-info-heading): New face.
(guix-package-info-synopsis): Modify face.
(guix-info-insert-entry-default, guix-package-info-insert-heading,
guix-package-info-insert-with-heading): New procedures.
(guix-package-info-heading-params, guix-info-insert-package-function,
guix-info-insert-installed-function, guix-info-insert-output-function,
guix-info-insert-generation-function): New variables.
---
emacs/guix-info.el | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 72 insertions(+), 2 deletions(-)
diff --git a/emacs/guix-info.el b/emacs/guix-info.el
index 551d79a..88363e5 100644
--- a/emacs/guix-info.el
+++ b/emacs/guix-info.el
@@ -198,7 +198,8 @@ ENTRIES should have a form of `guix-entries'."
entries
guix-info-delimiter))
-(defun guix-info-insert-entry (entry entry-type &optional indent-level)
+(defun guix-info-insert-entry-default (entry entry-type
+ &optional indent-level)
"Insert ENTRY of ENTRY-TYPE into the current info buffer.
If INDENT-LEVEL is non-nil, indent displayed information by this
number of `guix-info-indent' spaces."
@@ -210,6 +211,18 @@ number of `guix-info-indent' spaces."
(indent-rigidly region-beg (point)
(* indent-level guix-info-indent)))))
+(defun guix-info-insert-entry (entry entry-type &optional indent-level)
+ "Insert ENTRY of ENTRY-TYPE into the current info buffer.
+Use `guix-info-insert-ENTRY-TYPE-function' or
+`guix-info-insert-entry-default' if it is nil."
+ (let* ((var (intern (concat "guix-info-insert-"
+ (symbol-name entry-type)
+ "-function")))
+ (fun (symbol-value var)))
+ (if (functionp fun)
+ (funcall fun entry)
+ (guix-info-insert-entry-default entry entry-type indent-level))))
+
(defun guix-info-insert-param (param entry entry-type)
"Insert title and value of a PARAM at point.
ENTRY is alist with parameters and their values.
@@ -376,6 +389,12 @@ See `insert-text-button' for the meaning of PROPERTIES."
(guix-define-buffer-type info package
:required (id installed non-unique))
+(defface guix-package-info-heading
+ '((((type tty pc) (class color)) :weight bold)
+ (t :height 1.6 :weight bold :inherit variable-pitch))
+ "Face for package name and version headings."
+ :group 'guix-package-info)
+
(defface guix-package-info-name
'((t :inherit font-lock-keyword-face))
"Face used for a name of a package."
@@ -392,7 +411,8 @@ See `insert-text-button' for the meaning of PROPERTIES."
:group 'guix-package-info)
(defface guix-package-info-synopsis
- '((t :inherit font-lock-doc-face))
+ '((((type tty pc) (class color)) :weight bold)
+ (t :height 1.1 :weight bold :inherit variable-pitch))
"Face used for a synopsis of a package."
:group 'guix-package-info)
@@ -433,6 +453,40 @@ See `insert-text-button' for the meaning of PROPERTIES."
"Face used if a package is obsolete."
:group 'guix-package-info)
+(defvar guix-info-insert-package-function
+ #'guix-package-info-insert-with-heading
+ "Function used to insert a package information.
+It is called with a single argument - alist of package parameters.
+If nil, insert package in a default way.")
+
+(defvar guix-package-info-heading-params '(synopsis description)
+ "List of parameters displayed in a heading along with name and version.")
+
+(defun guix-package-info-insert-heading (entry)
+ "Insert the heading for package ENTRY.
+Show package name, version, and `guix-package-info-heading-params'."
+ (guix-format-insert (concat (guix-get-key-val entry 'name) " "
+ (guix-get-key-val entry 'version))
+ 'guix-package-info-heading)
+ (insert "\n\n")
+ (mapc (lambda (param)
+ (let ((val (guix-get-key-val entry param))
+ (face (guix-get-symbol (symbol-name param)
+ 'info 'package)))
+ (when val
+ (guix-format-insert val (and (facep face) face))
+ (insert "\n\n"))))
+ guix-package-info-heading-params))
+
+(defun guix-package-info-insert-with-heading (entry)
+ "Insert package ENTRY with its heading at point."
+ (guix-package-info-insert-heading entry)
+ (mapc (lambda (param)
+ (unless (or (memq param '(name version))
+ (memq param guix-package-info-heading-params))
+ (guix-info-insert-param param entry 'package)))
+ (guix-info-get-displayed-params 'package)))
+
(defun guix-package-info-insert-description (desc &optional _)
"Insert description DESC at point."
(guix-info-insert-val-simple desc 'guix-package-info-description))
@@ -494,6 +548,12 @@ formatted with this string, an action button is inserted.")
(defvar guix-package-info-obsolete-string "(This package is obsolete)"
"String used if a package is obsolete.")
+(defvar guix-info-insert-installed-function nil
+ "Function used to insert an installed information.
+It is called with a single argument - alist of installed
+parameters (`output', `path', `dependencies').
+If nil, insert installed info in a default way.")
+
(defun guix-package-info-insert-outputs (outputs entry)
"Insert OUTPUTS from package ENTRY at point."
(and (guix-get-key-val entry 'obsolete)
@@ -582,6 +642,11 @@ ENTRY is an alist with package info."
:buffer-name "*Guix Package Info*"
:required (id package-id installed non-unique))
+(defvar guix-info-insert-output-function nil
+ "Function used to insert an output information.
+It is called with a single argument - alist of output parameters.
+If nil, insert output in a default way.")
+
(defun guix-output-info-insert-version (version entry)
"Insert output VERSION and obsolete text if needed at point."
(guix-info-insert-val-default version
@@ -625,6 +690,11 @@ ENTRY is an alist with package info."
"Face used if a generation is not the current one."
:group 'guix-generation-info)
+(defvar guix-info-insert-generation-function nil
+ "Function used to insert a generation information.
+It is called with a single argument - alist of generation parameters.
+If nil, insert generation in a default way.")
+
(defun guix-generation-info-insert-number (number &optional _)
"Insert generation NUMBER and action buttons."
(guix-info-insert-val-default number 'guix-generation-info-number)
--
2.1.2
next prev parent reply other threads:[~2014-10-31 15:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-29 16:25 [PATCH] emacs: Add a name/version/synopsis heading in package-info buffers Ludovic Courtès
2014-10-29 22:13 ` Alex Kost
2014-10-30 13:16 ` Ludovic Courtès
2014-10-30 21:38 ` Alex Kost [this message]
2014-10-30 23:20 ` Ludovic Courtès
2014-11-01 10:58 ` Alex Kost
2014-11-02 17:23 ` Ludovic Courtès
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