Re: [PATCH] emacs: hello: promote '?' as the universal help key

[David Edmondson <dme@dme.org>]

Looks good, thanks for doing it.

On Sun, Mar 13 2016, Jani Nikula wrote:
> Move the brief help text at the bottom of the hello screen to the
> notmuch-hello-mode help, and promote '?' as the universal help key
> across Notmuch. This unclutters the hello screen, and allows for a
> more verbose description in the mode help. Hopefully, this change is
> useful for both experienced and new users alike.
>
> While at it, improve the links to Notmuch and hello screen
> customization.
>
> ---
>
> This obsoletes
> id:1450026221-23286-1-git-send-email-jani@nikula.org
> ---
>  emacs/notmuch-hello.el                             | 44 +++++++++++++++++-----
>  test/emacs.expected-output/notmuch-hello           |  7 +---
>  .../emacs.expected-output/notmuch-hello-long-names |  7 +---
>  .../notmuch-hello-no-saved-searches                |  7 +---
>  .../emacs.expected-output/notmuch-hello-with-empty |  7 +---
>  5 files changed, 42 insertions(+), 30 deletions(-)
>
> diff --git a/emacs/notmuch-hello.el b/emacs/notmuch-hello.el
> index b42e0f24148a..8a31f9a1c52c 100644
> --- a/emacs/notmuch-hello.el
> +++ b/emacs/notmuch-hello.el
> @@ -672,6 +672,31 @@ with `notmuch-hello-query-counts'."
>  (defun notmuch-hello-mode ()
>   "Major mode for convenient notmuch navigation. This is your entry portal into notmuch.
>  
> +Saved searches are \"bookmarks\" for arbitrary queries. Hit RET
> +or click on a saved search to view matching threads. Edit saved
> +searches with the `edit' button. Type `\\[notmuch-jump-search]'
> +in any Notmuch screen for quick access to saved searches that
> +have shortcut keys.
> +
> +Type new searches in the search box and hit RET to view matching
> +threads. Hit RET in a recent search box to re-submit a previous
> +search. Edit it first if you like. Save a recent search to saved
> +searches with the `save' button.
> +
> +Hit `\\[notmuch-search]' or `\\[notmuch-tree]' in any Notmuch
> +screen to search for messages and view matching threads or
> +messages, respectively. Recent searches are available in the
> +minibuffer history.
> +
> +Expand the all tags view with the `show' button (and collapse
> +again with the `hide' button). Hit RET or click on a tag name to
> +view matching threads.
> +
> +Hit `\\[notmuch-refresh-this-buffer]' to refresh the screen and
> +`\\[notmuch-bury-or-kill-this-buffer]' to quit.
> +
> +The screen may be customized via `\\[customize]'.
> +
>  Complete list of currently available key bindings:
>  
>  \\{notmuch-hello-mode-map}"
> @@ -907,20 +932,19 @@ following:
>  (defun notmuch-hello-insert-footer ()
>    "Insert the notmuch-hello footer."
>    (let ((start (point)))
> -    (widget-insert "Type a search query and hit RET to view matching threads.\n")
> -    (when notmuch-search-history
> -      (widget-insert "Hit RET to re-submit a previous search. Edit it first if you like.\n")
> -      (widget-insert "Save recent searches with the `save' button.\n"))
> -    (when notmuch-saved-searches
> -      (widget-insert "Edit saved searches with the `edit' button.\n"))
> -    (widget-insert "Hit RET or click on a saved search or tag name to view matching threads.\n")
> -    (widget-insert "`=' to refresh this screen. `s' to search messages. `q' to quit.\n")
> +    (widget-insert "Hit `?' for context-sensitive help in any Notmuch screen.\n")
> +    (widget-insert "Customize ")
> +    (widget-create 'link
> +		   :notify (lambda (&rest ignore)
> +			     (customize-group 'notmuch))
> +		   :button-prefix "" :button-suffix ""
> +		   "Notmuch")
> +    (widget-insert " or ")
>      (widget-create 'link
>  		   :notify (lambda (&rest ignore)
>  			     (customize-variable 'notmuch-hello-sections))
>  		   :button-prefix "" :button-suffix ""
> -		   "Customize")
> -    (widget-insert " this page.")
> +		   "this page.")
>      (let ((fill-column (- (window-width) notmuch-hello-indent)))
>        (center-region start (point)))))
>  
> diff --git a/test/emacs.expected-output/notmuch-hello b/test/emacs.expected-output/notmuch-hello
> index 9ba4cfc1d560..89186082f8a9 100644
> --- a/test/emacs.expected-output/notmuch-hello
> +++ b/test/emacs.expected-output/notmuch-hello
> @@ -8,8 +8,5 @@ Search:                                                                     .
>  
>  All tags: [show]
>  
> -	 Type a search query and hit RET to view matching threads.
> -		Edit saved searches with the `edit' button.
> -  Hit RET or click on a saved search or tag name to view matching threads.
> -      `=' to refresh this screen. `s' to search messages. `q' to quit.
> -			    Customize this page.
> +	 Hit `?' for context-sensitive help in any Notmuch screen.
> +		      Customize Notmuch or this page.
> diff --git a/test/emacs.expected-output/notmuch-hello-long-names b/test/emacs.expected-output/notmuch-hello-long-names
> index 1c8d6eb624b9..da0f3525325d 100644
> --- a/test/emacs.expected-output/notmuch-hello-long-names
> +++ b/test/emacs.expected-output/notmuch-hello-long-names
> @@ -11,8 +11,5 @@ All tags: [hide]
>  	  52 a-very-long-tag       52 inbox                 52 unread
>  	   4 attachment             7 signed
>  
> -	 Type a search query and hit RET to view matching threads.
> -		Edit saved searches with the `edit' button.
> -  Hit RET or click on a saved search or tag name to view matching threads.
> -      `=' to refresh this screen. `s' to search messages. `q' to quit.
> -			    Customize this page.
> +	 Hit `?' for context-sensitive help in any Notmuch screen.
> +		      Customize Notmuch or this page.
> diff --git a/test/emacs.expected-output/notmuch-hello-no-saved-searches b/test/emacs.expected-output/notmuch-hello-no-saved-searches
> index 05475b15abee..939965fef154 100644
> --- a/test/emacs.expected-output/notmuch-hello-no-saved-searches
> +++ b/test/emacs.expected-output/notmuch-hello-no-saved-searches
> @@ -4,8 +4,5 @@ Search:                                                                     .
>  
>  All tags: [show]
>  
> -	 Type a search query and hit RET to view matching threads.
> -		Edit saved searches with the `edit' button.
> -  Hit RET or click on a saved search or tag name to view matching threads.
> -      `=' to refresh this screen. `s' to search messages. `q' to quit.
> -			    Customize this page.
> +	 Hit `?' for context-sensitive help in any Notmuch screen.
> +		      Customize Notmuch or this page.
> diff --git a/test/emacs.expected-output/notmuch-hello-with-empty b/test/emacs.expected-output/notmuch-hello-with-empty
> index 854e0c2a22e8..97d7db26ebfa 100644
> --- a/test/emacs.expected-output/notmuch-hello-with-empty
> +++ b/test/emacs.expected-output/notmuch-hello-with-empty
> @@ -8,8 +8,5 @@ Search:                                                                     .
>  
>  All tags: [show]
>  
> -	 Type a search query and hit RET to view matching threads.
> -		Edit saved searches with the `edit' button.
> -  Hit RET or click on a saved search or tag name to view matching threads.
> -      `=' to refresh this screen. `s' to search messages. `q' to quit.
> -			    Customize this page.
> +	 Hit `?' for context-sensitive help in any Notmuch screen.
> +		      Customize Notmuch or this page.
> -- 
> 2.1.4