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* bug#50552: 28.0.50; Add context-menu-occur
@ 2021-09-12 16:54 Philip Kaludercic
  2021-09-12 17:59 ` Juri Linkov
  0 siblings, 1 reply; 13+ messages in thread
From: Philip Kaludercic @ 2021-09-12 16:54 UTC (permalink / raw)
  To: 50552

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Hi,

the below patch adds the commands occur-word-at-mouse and
occur-symbol-at-mouse, and a function for context-menu-mode to occur
words or symbols where the context menu was invoked.

Would there be any interest in adding such a functionality?


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[-- Attachment #2: 0001-Add-occur-menu-for-context-mode-menu.patch --]
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From cad330f31eb7f7b127a970296f323524d31e7fee Mon Sep 17 00:00:00 2001
From: Philip Kaludercic <philipk@posteo.net>
Date: Sat, 11 Sep 2021 22:41:32 +0200
Subject: [PATCH] Add occur menu for context-mode-menu

* lisp/mouse.el (context-menu-functions): Register context-menu-occur
(context-menu-occur): Add backend function
* lisp/replace.el (occur-word-at-mouse): Add command
(occur-symbol-at-mouse): Add command
---
 lisp/mouse.el   | 17 +++++++++++++++++
 lisp/replace.el | 14 ++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/lisp/mouse.el b/lisp/mouse.el
index 7d3ed9a0e4..3590e27e3e 100644
--- a/lisp/mouse.el
+++ b/lisp/mouse.el
@@ -296,6 +296,7 @@ context-menu-functions
                   (function-item context-menu-buffers)
                   (function-item context-menu-vc)
                   (function-item context-menu-ffap)
+                  (function-item context-menu-occur)
                   (function :tag "Custom function")))
   :version "28.1")
 
@@ -465,6 +466,22 @@ context-menu-ffap
                     :help "Find file or URL guessed from text around mouse click"))))
   menu)
 
+(defun context-menu-occur (menu)
+  "Occur at point menu."
+  (save-excursion
+    (mouse-set-point last-input-event)
+    (let ((word (thing-at-point 'word))
+          (sym (thing-at-point 'symbol)))
+      (when (or word sym)
+        (define-key-after menu [occur-separator] menu-bar-separator)
+        (when word
+          (define-key-after menu [occur-word-at-mouse]
+            '(menu-item "Occur Word" occur-word-at-mouse)))
+        (when sym
+          (define-key-after menu [occur-symbol-at-mouse]
+            '(menu-item "Occur Symbol" occur-symbol-at-mouse))))))
+  menu)
+
 (defvar context-menu-entry
   `(menu-item ,(purecopy "Context Menu") ignore
               :filter (lambda (_) (context-menu-map))))
diff --git a/lisp/replace.el b/lisp/replace.el
index 69bdfe1331..f234a933bd 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -2367,6 +2367,20 @@ occur-context-lines
      ;; And the second element is the list of context after-lines.
      (if (> nlines 0) after-lines))))
 
+(defun occur-word-at-mouse (event)
+  "Display an occur buffer for the word at EVENT."
+  (interactive "e")
+  (save-excursion
+    (mouse-set-point event)
+    (occur (regexp-quote (thing-at-point 'word)))))
+
+(defun occur-symbol-at-mouse (event)
+  "Display an occur buffer for the symbol at EVENT."
+  (interactive "e")
+  (save-excursion
+    (mouse-set-point event)
+    (occur (regexp-quote (thing-at-point 'symbol)))))
+
 \f
 ;; It would be nice to use \\[...], but there is no reasonable way
 ;; to make that display both SPC and Y.
-- 
2.30.2


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In GNU Emacs 28.0.50 (build 3, x86_64-pc-linux-gnu, X toolkit, cairo version 1.16.0, Xaw scroll bars)
 of 2021-09-11 built on icterid
Repository revision: 6d31d5b4b4649a25c6f1c8857c2371e14b7e3805
Repository branch: feature/rcirc-update
Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
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-- 
	Philip K.

^ permalink raw reply related	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-12 16:54 bug#50552: 28.0.50; Add context-menu-occur Philip Kaludercic
@ 2021-09-12 17:59 ` Juri Linkov
  2021-09-12 19:09   ` Philip Kaludercic
  0 siblings, 1 reply; 13+ messages in thread
From: Juri Linkov @ 2021-09-12 17:59 UTC (permalink / raw)
  To: Philip Kaludercic; +Cc: 50552

> the below patch adds the commands occur-word-at-mouse and
> occur-symbol-at-mouse, and a function for context-menu-mode to occur
> words or symbols where the context menu was invoked.
>
> Would there be any interest in adding such a functionality?

Thanks.  There is a new function 'thing-at-mouse' with a new arg 'click'
added today that you can use instead of 'thing-at-point'.
You can see an example in lisp/net/dictionary.el.

> diff --git a/lisp/mouse.el b/lisp/mouse.el
> index 7d3ed9a0e4..3590e27e3e 100644
> --- a/lisp/mouse.el
> +++ b/lisp/mouse.el
>[...]
> +(defun context-menu-occur (menu)

The default set of context menus in mouse.el contains only menus
created from the existing non-context menus.  All new context menus
should be added to their respective packages.  So please move
context-menu-occur to replace.el.

Another example prog-context-menu in lisp/progmodes/prog-mode.el also
demonstrates how context menus should belong to the package where they
are used.  And prog-context-menu is similar to context-menu-occur,
so it should have the name prefix of the package: occur-context-menu.





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-12 17:59 ` Juri Linkov
@ 2021-09-12 19:09   ` Philip Kaludercic
  2021-09-13  8:28     ` Juri Linkov
  0 siblings, 1 reply; 13+ messages in thread
From: Philip Kaludercic @ 2021-09-12 19:09 UTC (permalink / raw)
  To: Juri Linkov; +Cc: 50552

[-- Attachment #1: Type: text/plain, Size: 1322 bytes --]

Juri Linkov <juri@linkov.net> writes:

>> the below patch adds the commands occur-word-at-mouse and
>> occur-symbol-at-mouse, and a function for context-menu-mode to occur
>> words or symbols where the context menu was invoked.
>>
>> Would there be any interest in adding such a functionality?
>
> Thanks.  There is a new function 'thing-at-mouse' with a new arg 'click'
> added today that you can use instead of 'thing-at-point'.
> You can see an example in lisp/net/dictionary.el.

I see, but I wonder why dictionary.el directly manipulates
context-menu-functions with add-hook.

>> diff --git a/lisp/mouse.el b/lisp/mouse.el
>> index 7d3ed9a0e4..3590e27e3e 100644
>> --- a/lisp/mouse.el
>> +++ b/lisp/mouse.el
>>[...]
>> +(defun context-menu-occur (menu)
>
> The default set of context menus in mouse.el contains only menus
> created from the existing non-context menus.  All new context menus
> should be added to their respective packages.  So please move
> context-menu-occur to replace.el.
>
> Another example prog-context-menu in lisp/progmodes/prog-mode.el also
> demonstrates how context menus should belong to the package where they
> are used.  And prog-context-menu is similar to context-menu-occur,
> so it should have the name prefix of the package: occur-context-menu.

Ok, no problem. This should do it:


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From 77c080476a6e64ab9ae5717e75c2358d3e8d20a7 Mon Sep 17 00:00:00 2001
From: Philip Kaludercic <philipk@posteo.net>
Date: Sun, 12 Sep 2021 21:02:46 +0200
Subject: [PATCH] Add occur-related context-menu operations

* replace.el (occur-word-at-mouse): Add new command
(occur-symbol-at-mouse): Add new command
(occur-context-menu): Add new function
---
 lisp/replace.el | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/lisp/replace.el b/lisp/replace.el
index 69bdfe1331..e8ca3fac80 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -2367,6 +2367,31 @@ occur-context-lines
      ;; And the second element is the list of context after-lines.
      (if (> nlines 0) after-lines))))
 
+(defun occur-word-at-mouse (event)
+  "Display an occur buffer for the word at EVENT."
+  (interactive "e")
+  (occur (thing-at-mouse event 'word t)))
+
+(defun occur-symbol-at-mouse (event)
+  "Display an occur buffer for the symbol at EVENT."
+  (interactive "e")
+  (occur (thing-at-mouse event 'symbol t)))
+
+(defun occur-context-menu (menu click)
+  "Populate MENU with occur commands for CLICK.
+To be added to `context-menu-functions'."
+  (let ((word (thing-at-mouse click 'word))
+        (sym (thing-at-mouse click 'symbol)))
+    (when (or word sym)
+      (define-key-after menu [occur-separator] menu-bar-separator)
+      (when word
+        (define-key-after menu [occur-word-at-mouse]
+          '(menu-item "Occur Word" occur-word-at-mouse)))
+      (when sym
+        (define-key-after menu [occur-symbol-at-mouse]
+          '(menu-item "Occur Symbol" occur-symbol-at-mouse)))))
+  menu)
+
 \f
 ;; It would be nice to use \\[...], but there is no reasonable way
 ;; to make that display both SPC and Y.
-- 
2.30.2


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To keep in line with prog-context-menu and context-menu-dictionary, I
also removed the modification of context-menu-functions's :type.

-- 
	Philip Kaludercic

^ permalink raw reply related	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-12 19:09   ` Philip Kaludercic
@ 2021-09-13  8:28     ` Juri Linkov
  2021-09-14 20:45       ` Philip Kaludercic
  2021-09-28 20:00       ` Philip Kaludercic
  0 siblings, 2 replies; 13+ messages in thread
From: Juri Linkov @ 2021-09-13  8:28 UTC (permalink / raw)
  To: Philip Kaludercic; +Cc: 50552

>>> the below patch adds the commands occur-word-at-mouse and
>>> occur-symbol-at-mouse, and a function for context-menu-mode to occur
>>> words or symbols where the context menu was invoked.
>>>
>>> Would there be any interest in adding such a functionality?
>>
>> Thanks.  There is a new function 'thing-at-mouse' with a new arg 'click'
>> added today that you can use instead of 'thing-at-point'.
>> You can see an example in lisp/net/dictionary.el.
>
> I see, but I wonder why dictionary.el directly manipulates
> context-menu-functions with add-hook.

The reasoning was the following: by default, dictionary.el is not loaded,
so its context menu item is not used.  But when the user wants to use
dictionary.el and explicitly loads it, then automatically provide also
its context menu item.

This reasoning can't be applied to occur, because occur in replace.el
is pre-loaded.

> +(defun occur-word-at-mouse (event)
> +  "Display an occur buffer for the word at EVENT."
> +  (interactive "e")
> +  (occur (thing-at-mouse event 'word t)))
> +
> +(defun occur-symbol-at-mouse (event)
> +  "Display an occur buffer for the symbol at EVENT."
> +  (interactive "e")
> +  (occur (thing-at-mouse event 'symbol t)))

Thanks, this is almost perfect.  What remains to do is to create
a regexp that matches only words/symbols.  You can see how
'isearch-occur' converts a string to a word/symbol regexp by using
'(funcall isearch-regexp-function isearch-string)' before calling 'occur'.

> To keep in line with prog-context-menu and context-menu-dictionary, I
> also removed the modification of context-menu-functions's :type.

I guess this is the right thing since the user still can add
'occur-context-menu' as a function name to 'context-menu-functions'.





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-13  8:28     ` Juri Linkov
@ 2021-09-14 20:45       ` Philip Kaludercic
  2021-09-15  7:14         ` Juri Linkov
  2021-09-28 20:00       ` Philip Kaludercic
  1 sibling, 1 reply; 13+ messages in thread
From: Philip Kaludercic @ 2021-09-14 20:45 UTC (permalink / raw)
  To: Juri Linkov; +Cc: 50552

[-- Attachment #1: Type: text/plain, Size: 1612 bytes --]


Sorry for the delay,

Juri Linkov <juri@linkov.net> writes:

>>>> the below patch adds the commands occur-word-at-mouse and
>>>> occur-symbol-at-mouse, and a function for context-menu-mode to occur
>>>> words or symbols where the context menu was invoked.
>>>>
>>>> Would there be any interest in adding such a functionality?
>>>
>>> Thanks.  There is a new function 'thing-at-mouse' with a new arg 'click'
>>> added today that you can use instead of 'thing-at-point'.
>>> You can see an example in lisp/net/dictionary.el.
>>
>> I see, but I wonder why dictionary.el directly manipulates
>> context-menu-functions with add-hook.
>
> The reasoning was the following: by default, dictionary.el is not loaded,
> so its context menu item is not used.  But when the user wants to use
> dictionary.el and explicitly loads it, then automatically provide also
> its context menu item.
>
> This reasoning can't be applied to occur, because occur in replace.el
> is pre-loaded.
>
>> +(defun occur-word-at-mouse (event)
>> +  "Display an occur buffer for the word at EVENT."
>> +  (interactive "e")
>> +  (occur (thing-at-mouse event 'word t)))
>> +
>> +(defun occur-symbol-at-mouse (event)
>> +  "Display an occur buffer for the symbol at EVENT."
>> +  (interactive "e")
>> +  (occur (thing-at-mouse event 'symbol t)))
>
> Thanks, this is almost perfect.  What remains to do is to create
> a regexp that matches only words/symbols.  You can see how
> 'isearch-occur' converts a string to a word/symbol regexp by using
> '(funcall isearch-regexp-function isearch-string)' before calling 'occur'.

Ok, I've tried it here:


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From 78a0be097333b1619c5d25b4b96facb703fb8ceb Mon Sep 17 00:00:00 2001
From: Philip Kaludercic <philipk@posteo.net>
Date: Sun, 12 Sep 2021 21:02:46 +0200
Subject: [PATCH] Add occur-related context-menu operations

* replace.el (occur-word-at-mouse): Add new command
(occur-symbol-at-mouse): Add new command
(occur-context-menu): Add new function
---
 lisp/replace.el | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/lisp/replace.el b/lisp/replace.el
index 69bdfe1331..d652f37e4d 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -2367,6 +2367,43 @@ occur-context-lines
      ;; And the second element is the list of context after-lines.
      (if (> nlines 0) after-lines))))
 
+(defun occur-word-at-mouse (event)
+  "Display an occur buffer for the word at EVENT."
+  (interactive "e")
+  (let ((word (thing-at-mouse event 'word t)))
+    (occur (cond
+            ((functionp isearch-regexp-function)
+             (funcall isearch-regexp-function word))
+            (isearch-regexp-function (word-search-regexp word))
+            (isearch-regexp word)
+            (t (regexp-quote word))))))
+
+(defun occur-symbol-at-mouse (event)
+  "Display an occur buffer for the symbol at EVENT."
+  (interactive "e")
+  (let ((symbol (thing-at-mouse event 'symbol t)))
+    (occur (cond
+            ((functionp isearch-regexp-function)
+             (funcall isearch-regexp-function symbol))
+            (isearch-regexp-function (word-search-regexp symbol))
+            (isearch-regexp symbol)
+            (t (regexp-quote symbol))))))
+
+(defun occur-context-menu (menu click)
+  "Populate MENU with occur commands for CLICK.
+To be added to `context-menu-functions'."
+  (let ((word (thing-at-mouse click 'word))
+        (sym (thing-at-mouse click 'symbol)))
+    (when (or word sym)
+      (define-key-after menu [occur-separator] menu-bar-separator)
+      (when word
+        (define-key-after menu [occur-word-at-mouse]
+          '(menu-item "Occur Word" occur-word-at-mouse)))
+      (when sym
+        (define-key-after menu [occur-symbol-at-mouse]
+          '(menu-item "Occur Symbol" occur-symbol-at-mouse)))))
+  menu)
+
 \f
 ;; It would be nice to use \\[...], but there is no reasonable way
 ;; to make that display both SPC and Y.
-- 
2.30.2


[-- Attachment #3: Type: text/plain, Size: 64 bytes --]


And here another version with word/symbol-start/end matching:


[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #4: 0001-Add-occur-related-context-menu-operations.patch --]
[-- Type: text/x-diff, Size: 2402 bytes --]

From 3cde46258915dd7f56942fd1decba397d30f809b Mon Sep 17 00:00:00 2001
From: Philip Kaludercic <philipk@posteo.net>
Date: Sun, 12 Sep 2021 21:02:46 +0200
Subject: [PATCH] Add occur-related context-menu operations

* replace.el (occur-word-at-mouse): Add new command
(occur-symbol-at-mouse): Add new command
(occur-context-menu): Add new function
---
 lisp/replace.el | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/lisp/replace.el b/lisp/replace.el
index 69bdfe1331..8c50a6ad4c 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -2367,6 +2367,50 @@ occur-context-lines
      ;; And the second element is the list of context after-lines.
      (if (> nlines 0) after-lines))))
 
+(defun occur-word-at-mouse (event)
+  "Display an occur buffer for the word at EVENT."
+  (interactive "e")
+  (let ((word (thing-at-mouse event 'word t)))
+    (occur (concat
+            "\\<"
+            (cond
+             ((functionp isearch-regexp-function)
+              (funcall isearch-regexp-function word))
+             (isearch-regexp-function (word-search-regexp word))
+             (isearch-regexp word)
+             (t (regexp-quote word)))
+            "\\>"))))
+
+(defun occur-symbol-at-mouse (event)
+  "Display an occur buffer for the symbol at EVENT."
+  (interactive "e")
+  (let ((symbol (thing-at-mouse event 'symbol t)))
+    (occur
+     (concat
+      "\\_<"
+      (cond
+       ((functionp isearch-regexp-function)
+        (funcall isearch-regexp-function symbol))
+       (isearch-regexp-function (word-search-regexp symbol))
+       (isearch-regexp symbol)
+       (t (regexp-quote symbol)))
+      "\\_>"))))
+
+(defun occur-context-menu (menu click)
+  "Populate MENU with occur commands for CLICK.
+To be added to `context-menu-functions'."
+  (let ((word (thing-at-mouse click 'word))
+        (sym (thing-at-mouse click 'symbol)))
+    (when (or word sym)
+      (define-key-after menu [occur-separator] menu-bar-separator)
+      (when word
+        (define-key-after menu [occur-word-at-mouse]
+          '(menu-item "Occur Word" occur-word-at-mouse)))
+      (when sym
+        (define-key-after menu [occur-symbol-at-mouse]
+          '(menu-item "Occur Symbol" occur-symbol-at-mouse)))))
+  menu)
+
 \f
 ;; It would be nice to use \\[...], but there is no reasonable way
 ;; to make that display both SPC and Y.
-- 
2.30.2


[-- Attachment #5: Type: text/plain, Size: 316 bytes --]


>> To keep in line with prog-context-menu and context-menu-dictionary, I
>> also removed the modification of context-menu-functions's :type.
>
> I guess this is the right thing since the user still can add
> 'occur-context-menu' as a function name to 'context-menu-functions'.

Makes sense.

-- 
	Philip Kaludercic

^ permalink raw reply related	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-14 20:45       ` Philip Kaludercic
@ 2021-09-15  7:14         ` Juri Linkov
  0 siblings, 0 replies; 13+ messages in thread
From: Juri Linkov @ 2021-09-15  7:14 UTC (permalink / raw)
  To: Philip Kaludercic; +Cc: 50552

tags 50552 fixed
close 50552 28.0.50
thanks

>> Thanks, this is almost perfect.  What remains to do is to create
>> a regexp that matches only words/symbols.  You can see how
>> 'isearch-occur' converts a string to a word/symbol regexp by using
>> '(funcall isearch-regexp-function isearch-string)' before calling 'occur'.
>
> And here another version with word/symbol-start/end matching:

Your second patch was better, so I pushed it, but without isearch-regexp-function.
I tested that it works fine, thanks for it.  If you have more suggestions,
please send more patches.





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-13  8:28     ` Juri Linkov
  2021-09-14 20:45       ` Philip Kaludercic
@ 2021-09-28 20:00       ` Philip Kaludercic
  2021-09-29  7:19         ` Juri Linkov
  2021-10-01 16:28         ` Philip Kaludercic
  1 sibling, 2 replies; 13+ messages in thread
From: Philip Kaludercic @ 2021-09-28 20:00 UTC (permalink / raw)
  To: Juri Linkov; +Cc: 50552

Juri Linkov <juri@linkov.net> writes:

>> I see, but I wonder why dictionary.el directly manipulates
>> context-menu-functions with add-hook.
>
> The reasoning was the following: by default, dictionary.el is not loaded,
> so its context menu item is not used.  But when the user wants to use
> dictionary.el and explicitly loads it, then automatically provide also
> its context menu item.

On this topic, I am not sure how good it is to do this
automatically. One effect seems to be that context-menu-dictionary
inserts itself at an unintended place in the menu (in my case as the
first item, even though I'd prefer it to be further down). Might it make
more sense to autoload context-menu-dictionary and let the user manually
add it to context-menu-functions?

-- 
	Philip Kaludercic





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-28 20:00       ` Philip Kaludercic
@ 2021-09-29  7:19         ` Juri Linkov
  2021-09-29 10:00           ` Philip Kaludercic
  2021-10-01 16:28         ` Philip Kaludercic
  1 sibling, 1 reply; 13+ messages in thread
From: Juri Linkov @ 2021-09-29  7:19 UTC (permalink / raw)
  To: Philip Kaludercic; +Cc: 50552

>>> I see, but I wonder why dictionary.el directly manipulates
>>> context-menu-functions with add-hook.
>>
>> The reasoning was the following: by default, dictionary.el is not loaded,
>> so its context menu item is not used.  But when the user wants to use
>> dictionary.el and explicitly loads it, then automatically provide also
>> its context menu item.
>
> On this topic, I am not sure how good it is to do this
> automatically. One effect seems to be that context-menu-dictionary
> inserts itself at an unintended place in the menu (in my case as the
> first item, even though I'd prefer it to be further down). Might it make
> more sense to autoload context-menu-dictionary and let the user manually
> add it to context-menu-functions?

Then we need to decide what is the preferred way for the users
to add the dictionary menu item to the context menu.

1. One possible way is allow the user to customize context-menu-functions,
   and manually paste context-menu-dictionary to the entry field:

  INS DEL Choice: Value Menu Custom function: context-menu-dictionary

2. To allow using 'add-hook' in the user's init file with e.g.

  (add-hook 'context-menu-functions 'context-menu-dictionary 1)

In either case, 'context-menu-dictionary' should be autoloaded
like you suggested.  So now I've changed dictionary.el according to this,
thanks for the suggestion.





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-29  7:19         ` Juri Linkov
@ 2021-09-29 10:00           ` Philip Kaludercic
  2021-09-29 17:31             ` Juri Linkov
  0 siblings, 1 reply; 13+ messages in thread
From: Philip Kaludercic @ 2021-09-29 10:00 UTC (permalink / raw)
  To: Juri Linkov; +Cc: 50552

Juri Linkov <juri@linkov.net> writes:

>>>> I see, but I wonder why dictionary.el directly manipulates
>>>> context-menu-functions with add-hook.
>>>
>>> The reasoning was the following: by default, dictionary.el is not loaded,
>>> so its context menu item is not used.  But when the user wants to use
>>> dictionary.el and explicitly loads it, then automatically provide also
>>> its context menu item.
>>
>> On this topic, I am not sure how good it is to do this
>> automatically. One effect seems to be that context-menu-dictionary
>> inserts itself at an unintended place in the menu (in my case as the
>> first item, even though I'd prefer it to be further down). Might it make
>> more sense to autoload context-menu-dictionary and let the user manually
>> add it to context-menu-functions?
>
> Then we need to decide what is the preferred way for the users
> to add the dictionary menu item to the context menu.
>
> 1. One possible way is allow the user to customize context-menu-functions,
>    and manually paste context-menu-dictionary to the entry field:
>
>   INS DEL Choice: Value Menu Custom function: context-menu-dictionary

Why not use the new custom-add-choice function (or something along these
lines) in dictionary.el?

> 2. To allow using 'add-hook' in the user's init file with e.g.
>
>   (add-hook 'context-menu-functions 'context-menu-dictionary 1)

In my case I am setting context-menu-functions manually, without
add-hook. I am not sure if that breaks anything?

> In either case, 'context-menu-dictionary' should be autoloaded
> like you suggested.  So now I've changed dictionary.el according to this,
> thanks for the suggestion.

Great, thank you.

-- 
	Philip Kaludercic





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-29 10:00           ` Philip Kaludercic
@ 2021-09-29 17:31             ` Juri Linkov
  2021-10-02 19:29               ` Juri Linkov
  0 siblings, 1 reply; 13+ messages in thread
From: Juri Linkov @ 2021-09-29 17:31 UTC (permalink / raw)
  To: Philip Kaludercic; +Cc: 50552

> Why not use the new custom-add-choice function (or something along these
> lines) in dictionary.el?

I tried this:

  (custom-add-choice 'context-menu-functions
                     '(function-item :tag "Dictionary menu" context-menu-dictionary))

But it fails with the error:

  (error "Not a choice type: (repeat (choice (function-item ...")

>> 2. To allow using 'add-hook' in the user's init file with e.g.
>>
>>   (add-hook 'context-menu-functions 'context-menu-dictionary 1)
>
> In my case I am setting context-menu-functions manually, without
> add-hook. I am not sure if that breaks anything?

This is a valid way to configure it, it should not break.





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-28 20:00       ` Philip Kaludercic
  2021-09-29  7:19         ` Juri Linkov
@ 2021-10-01 16:28         ` Philip Kaludercic
  2021-10-02 19:25           ` Juri Linkov
  1 sibling, 1 reply; 13+ messages in thread
From: Philip Kaludercic @ 2021-10-01 16:28 UTC (permalink / raw)
  To: Juri Linkov; +Cc: 50552

[-- Attachment #1: Type: text/plain, Size: 842 bytes --]

Philip Kaludercic <philipk@posteo.net> writes:

> Juri Linkov <juri@linkov.net> writes:
>
>>> I see, but I wonder why dictionary.el directly manipulates
>>> context-menu-functions with add-hook.
>>
>> The reasoning was the following: by default, dictionary.el is not loaded,
>> so its context menu item is not used.  But when the user wants to use
>> dictionary.el and explicitly loads it, then automatically provide also
>> its context menu item.
>
> On this topic, I am not sure how good it is to do this
> automatically. One effect seems to be that context-menu-dictionary
> inserts itself at an unintended place in the menu (in my case as the
> first item, even though I'd prefer it to be further down).

It turns out the issue here is that context-menu-dictionary uses
define-key instead of define-key-after. Here is a patch to fix it:


[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: 0001-Insert-dictionary-context-menu-at-right-position.patch --]
[-- Type: text/x-diff, Size: 1147 bytes --]

From 375390ff1e8e6fff4a9675f7430721025b31cffe Mon Sep 17 00:00:00 2001
From: Philip Kaludercic <philipk@posteo.net>
Date: Fri, 1 Oct 2021 18:27:37 +0200
Subject: [PATCH] Insert dictionary context menu at right position

* dictionary.el (context-menu-dictionary): Use define-key-after
  instead of define-key (bug#50552)
---
 lisp/net/dictionary.el | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lisp/net/dictionary.el b/lisp/net/dictionary.el
index 86447c2c35..258025fc51 100644
--- a/lisp/net/dictionary.el
+++ b/lisp/net/dictionary.el
@@ -1382,8 +1382,8 @@ context-menu-dictionary
 the context menu will contain an item that searches
 the word at mouse click."
   (when (thing-at-mouse click 'word)
-    (define-key menu [dictionary-separator] menu-bar-separator)
-    (define-key menu [dictionary-search-word-at-mouse]
+    (define-key-after menu [dictionary-separator] menu-bar-separator)
+    (define-key-after menu [dictionary-search-word-at-mouse]
       '(menu-item "Dictionary Search" dictionary-search-word-at-mouse
                   :help "Search the word at mouse click in dictionary")))
   menu)
-- 
2.30.2


[-- Attachment #3: Type: text/plain, Size: 24 bytes --]


-- 
	Philip Kaludercic

^ permalink raw reply related	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-10-01 16:28         ` Philip Kaludercic
@ 2021-10-02 19:25           ` Juri Linkov
  0 siblings, 0 replies; 13+ messages in thread
From: Juri Linkov @ 2021-10-02 19:25 UTC (permalink / raw)
  To: Philip Kaludercic; +Cc: 50552

>>> The reasoning was the following: by default, dictionary.el is not loaded,
>>> so its context menu item is not used.  But when the user wants to use
>>> dictionary.el and explicitly loads it, then automatically provide also
>>> its context menu item.
>>
>> On this topic, I am not sure how good it is to do this
>> automatically. One effect seems to be that context-menu-dictionary
>> inserts itself at an unintended place in the menu (in my case as the
>> first item, even though I'd prefer it to be further down).
>
> It turns out the issue here is that context-menu-dictionary uses
> define-key instead of define-key-after. Here is a patch to fix it:

To make the context menus in Emacs more in line with other apps
the design principles were the following:

1. When a context function can detect context with 100% reliability
   that usually achieved by using e.g. text properties on short stretches
   of the buffer like links in eww and Info manuals, or file names in Dired,
   then corresponding menu items are placed at the top of the context menus,
   like link-related items are placed first in web browsers, e.g. "Open link",
   "Save link", etc.

2. After such items comes Undo/Redo and the region-related submenu.

3. When the context around the mouse click is not 100% bound to the action,
   then it's placed further down from the above items.  So such items as
   "Look up in Manual" and "Find Definition" are placed below since
   they are activated on every word in the buffer, even on such words
   that are not valid program symbols.

4. The last items (major/minor mode menus) replicate the order of items
   from the menu-bar.

So according to this design, you are right that context-menu-dictionary
should be more below.  And it should be placed to the position 3
that has the special marker named 'middle-separator'.  Now fixed, thanks
for the suggestion.





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#50552: 28.0.50; Add context-menu-occur
  2021-09-29 17:31             ` Juri Linkov
@ 2021-10-02 19:29               ` Juri Linkov
  0 siblings, 0 replies; 13+ messages in thread
From: Juri Linkov @ 2021-10-02 19:29 UTC (permalink / raw)
  To: Philip Kaludercic; +Cc: 50552

>> Why not use the new custom-add-choice function (or something along these
>> lines) in dictionary.el?
>
> I tried this:
>
>   (custom-add-choice 'context-menu-functions
>                      '(function-item :tag "Dictionary menu" context-menu-dictionary))
>
> But it fails with the error:
>
>   (error "Not a choice type: (repeat (choice (function-item ...")

Maybe it makes sense to implement a new function 'custom-add-repeat-choice'
that is like 'custom-add-choice' but appends to the choices inside 'repeat'?





^ permalink raw reply	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2021-10-02 19:29 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-09-12 16:54 bug#50552: 28.0.50; Add context-menu-occur Philip Kaludercic
2021-09-12 17:59 ` Juri Linkov
2021-09-12 19:09   ` Philip Kaludercic
2021-09-13  8:28     ` Juri Linkov
2021-09-14 20:45       ` Philip Kaludercic
2021-09-15  7:14         ` Juri Linkov
2021-09-28 20:00       ` Philip Kaludercic
2021-09-29  7:19         ` Juri Linkov
2021-09-29 10:00           ` Philip Kaludercic
2021-09-29 17:31             ` Juri Linkov
2021-10-02 19:29               ` Juri Linkov
2021-10-01 16:28         ` Philip Kaludercic
2021-10-02 19:25           ` Juri Linkov

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