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core-spacemacs-buffer.el
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;;; core-spacemacs-buffer.el --- Spacemacs Core File
;;
;; Copyright (c) 2012-2020 Sylvain Benner & Contributors
;;
;; Author: Sylvain Benner <[email protected]>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
;;
;;; Commentary:
;;
;;; Code:
(defconst spacemacs-buffer-version-info "0.300"
"Current version used to display addition release information.")
(defconst spacemacs-buffer-name "*spacemacs*"
"The name of the spacemacs buffer.")
(defconst spacemacs-buffer-logo-title "[S P A C E M A C S]"
"The title displayed beneath the logo.")
(defconst spacemacs-buffer-buttons-startup-lists-offset 25
"Relative position between the home buffer buttons and startup lists.")
(defconst spacemacs-buffer--window-width 80
"Current width of the home buffer if responsive, 80 otherwise.
See `dotspacemacs-startup-buffer-responsive'.")
(defconst spacemacs-buffer--cache-file
(expand-file-name (concat spacemacs-cache-directory "spacemacs-buffer.el"))
"Cache file for various persistent data for the spacemacs startup buffer.")
(defvar spacemacs-buffer-startup-lists-length 20
"Length used for startup lists with otherwise unspecified bounds.
Set to nil for unbounded.")
(defvar spacemacs-buffer-list-separator "\n\n")
(defvar spacemacs-buffer--release-note-version nil
"If nil the release note is displayed.
If non nil it contains a version number, if the version number is lesser than
the current version the release note it displayed")
(defvar spacemacs-buffer--note-widgets nil
"List of widgets used in currently inserted notes.
Allows to keep track of widgets to delete when removing them.")
(defvar spacemacs-buffer--current-note-type nil
"Type of note currently displayed.")
(defvar spacemacs-buffer--fresh-install
(not (file-exists-p dotspacemacs-filepath))
"Non-nil if this Emacs instance if a fresh install.")
(defvar spacemacs-buffer--buttons-position nil
"Horizontal position of the home buffer buttons.
Internal use, do not set this variable.")
(defvar spacemacs-buffer-mode-map
(let ((map (make-sparse-keymap)))
(define-key map [down-mouse-1] 'widget-button-click)
(define-key map (kbd "RET") 'widget-button-press)
(define-key map [tab] 'widget-forward)
(define-key map (kbd "J") 'widget-forward)
(define-key map (kbd "C-i") 'widget-forward)
(define-key map [backtab] 'widget-backward)
(define-key map (kbd "K") 'widget-backward)
(define-key map (kbd "C-r") 'spacemacs-buffer/refresh)
(define-key map "q" 'quit-window)
map)
"Keymap for spacemacs buffer mode.")
(with-eval-after-load 'evil
(evil-make-overriding-map spacemacs-buffer-mode-map 'motion))
(define-derived-mode spacemacs-buffer-mode fundamental-mode "Spacemacs buffer"
"Spacemacs major mode for startup screen."
:group 'spacemacs
:syntax-table nil
:abbrev-table nil
(page-break-lines-mode)
(setq buffer-read-only t
truncate-lines t)
;; needed to make tab work correctly in terminal
(evil-define-key 'motion spacemacs-buffer-mode-map
(kbd "C-i") 'widget-forward)
;; motion state since this is a special mode
(evil-set-initial-state 'spacemacs-buffer-mode 'motion))
(defun spacemacs-buffer//insert-ascii-banner-centered (file)
"Insert the ascii banner contain in file and center it in the window.
FILE: the path to the file containing the banner."
(insert
(with-temp-buffer
(insert-file-contents file)
(let ((banner-width 0))
(while (not (eobp))
(let ((line-length (- (line-end-position) (line-beginning-position))))
(if (< banner-width line-length)
(setq banner-width line-length)))
(forward-line 1))
(goto-char 0)
(let ((margin (max 0 (floor (/ (- spacemacs-buffer--window-width
banner-width) 2)))))
(while (not (eobp))
(insert (make-string margin ?\s))
(forward-line 1)))
(insert "\n"))
(buffer-string))))
(defun spacemacs-buffer/insert-banner-and-buttons ()
"Choose a banner according to `dotspacemacs-startup-banner'and insert it.
in spacemacs buffer along with quick buttons underneath.
Easter egg:
Doge special text banner can be reachable via `999', `doge' or `random*'.
Doge special text banner for dark themes can be reachable via `997',
`doge-inverted' or `random*'.
Cate special text banner can de reachable via `998', `cat' or `random*'.
`random' ignore special banners whereas `random*' does not."
(let ((banner (spacemacs-buffer//choose-banner))
(buffer-read-only nil))
(progn
(when banner
(spacemacs-buffer/message (format "Banner: %s" banner))
(if (image-type-available-p (intern (file-name-extension banner)))
(spacemacs-buffer//insert-image-banner banner)
(spacemacs-buffer//insert-ascii-banner-centered banner)))
(spacemacs-buffer//insert-buttons)
(spacemacs//redisplay))))
(defun spacemacs-buffer/display-startup-note ()
"Decide of the startup note and display it if relevant."
(when (file-exists-p spacemacs-buffer--cache-file)
(load spacemacs-buffer--cache-file nil (not init-file-debug)))
(cond
(spacemacs-buffer--fresh-install
;; we assume the user is new to spacemacs and open the quickhelp
(spacemacs-buffer/toggle-note 'quickhelp)
(setq spacemacs-buffer--release-note-version spacemacs-version)
(spacemacs/dump-vars-to-file '(spacemacs-buffer--release-note-version)
spacemacs-buffer--cache-file))
((or (not spacemacs-buffer--release-note-version)
(version< spacemacs-buffer--release-note-version
spacemacs-version))
;; check the variable spacemacs-buffer--release-note-version
;; to decide whether we show the release note
(spacemacs-buffer/toggle-note 'release-note)))
(spacemacs//redisplay))
(defun spacemacs-buffer//choose-banner ()
"Return the full path of a banner based on the dotfile value."
(when dotspacemacs-startup-banner
(cond ((eq 'official dotspacemacs-startup-banner)
(if (and (display-graphic-p) (image-type-available-p 'png))
spacemacs-banner-official-png
(spacemacs-buffer//get-banner-path 1)))
((eq 'random dotspacemacs-startup-banner)
(spacemacs-buffer//choose-random-text-banner))
((eq 'random* dotspacemacs-startup-banner)
(spacemacs-buffer//choose-random-text-banner t))
((eq 'doge dotspacemacs-startup-banner)
(spacemacs-buffer//get-banner-path 999))
((eq 'doge-inverted dotspacemacs-startup-banner)
(spacemacs-buffer//get-banner-path 997))
((eq 'cat dotspacemacs-startup-banner)
(spacemacs-buffer//get-banner-path 998))
((integerp dotspacemacs-startup-banner)
(spacemacs-buffer//get-banner-path dotspacemacs-startup-banner))
((and dotspacemacs-startup-banner
(image-type-available-p (intern (file-name-extension
dotspacemacs-startup-banner)))
(display-graphic-p))
(if (file-exists-p dotspacemacs-startup-banner)
dotspacemacs-startup-banner
(spacemacs-buffer/warning (format "could not find banner %s"
dotspacemacs-startup-banner))
(spacemacs-buffer//get-banner-path 1)))
(t (spacemacs-buffer//get-banner-path 1)))))
(defvar spacemacs-buffer--random-banner nil
"The random banner chosen.")
(defun spacemacs-buffer//choose-random-text-banner (&optional all)
"Return the full path of a banner chosen randomly.
If ALL is non-nil then truly all banners can be selected."
(setq spacemacs-buffer--random-banner
(or spacemacs-buffer--random-banner
(let* ((files (directory-files spacemacs-banner-directory t ".*\.txt"))
(count (length files))
;; -2 to remove the two last ones (easter eggs)
(choice (random (- count (if all 0 2)))))
(nth choice files)))))
(defun spacemacs-buffer//get-banner-path (index)
"Return the full path to banner with index INDEX."
(concat spacemacs-banner-directory (format "%03d-banner.txt" index)))
(defun spacemacs-buffer//insert-image-banner (banner)
"Display an image banner.
BANNER: the path to an ascii banner file."
(when (file-exists-p banner)
(let* ((title spacemacs-buffer-logo-title)
(spec (create-image banner))
(size (image-size spec))
(width (car size))
(left-margin (max 0 (floor (- spacemacs-buffer--window-width width) 2))))
(insert (make-string left-margin ?\s))
(insert-image spec)
(insert "\n\n")
(insert (make-string (max 0 (floor (/ (- spacemacs-buffer--window-width
(+ (length title) 1)) 2))) ?\s))
(insert (format "%s\n\n" title)))))
(defun spacemacs-buffer//insert-version ()
"Insert the current version of Spacemacs and Emacs.
Right justified, based on the Spacemacs buffers window width."
(with-current-buffer (get-buffer-create spacemacs-buffer-name)
(let ((version (format "%s@%s (%s)"
spacemacs-version
emacs-version
dotspacemacs-distribution))
(buffer-read-only nil))
(insert (format (format "%%%ds"
(if (display-graphic-p)
spacemacs-buffer--window-width
;; terminal needs one less char
(1- spacemacs-buffer--window-width)))
version))
(insert "\n\n"))))
(defun spacemacs-buffer//insert-footer ()
"Insert the footer of the home buffer."
(save-excursion
(let* ((badge-path spacemacs-badge-official-png)
(badge (when (and (display-graphic-p)
(image-type-available-p
(intern (file-name-extension badge-path))))
(create-image badge-path)))
(badge-size (when badge (car (image-size badge))))
(heart-path spacemacs-purple-heart-png)
(heart (when (and (display-graphic-p)
(image-type-available-p
(intern (file-name-extension badge-path))))
(create-image heart-path)))
(heart-size (when heart (car (image-size heart))))
(build-lhs "Made with ")
(build-rhs " by the community")
(buffer-read-only nil))
(when (or badge heart)
(goto-char (point-max))
(spacemacs-buffer/insert-page-break)
(insert "\n")
(when badge
(insert-image badge)
(spacemacs-buffer//center-line badge-size))
(when heart
(when badge (insert "\n\n"))
(insert build-lhs)
(insert-image heart)
(insert build-rhs)
(spacemacs-buffer//center-line (+ (length build-lhs)
heart-size
(length build-rhs)))
(insert "\n"))))))
(defmacro spacemacs-buffer||notes-adapt-caption-to-width (caption
caption-length
width)
"Adapt caption string's length to the note's frame current width.
For internal use in `spacemacs-buffer//notes-render-framed-text'.
CAPTION: string to be encrusted onto the note's frame
CAPTION-LENGTH: length of the caption
WIDTH: current external width of the note's frame."
`(when (> ,caption-length (- ,width 6)) ; minimum frame width is 6
(if (> ,width 8)
(setq ,caption (concat (substring ,caption
0
(min -3 (- (- ,width 6 3)
,caption-length)))
"..."))
(setq ,caption nil
,caption-length 0))))
(defun spacemacs-buffer//notes-render-framed-text
(content &optional topcaption botcaption hpadding max-width min-width)
"Return a formatted string framed with curved lines.
The width of the created frame is the width of the content, unless it does not
satisfy max-width or min-width. Note that max-width can be limited by the
window's width.
CONTENT can be a text or a filepath.
TOPCAPTION is a text to be encrusted at the top of the frame.
BOTCAPTION is a text to be encrusted at the bottom of the frame.
HPADDING is the horizontal spacing between the text and the frame. The vertical
spacing is always one line.
MAX-WIDTH is the maximum width of the frame, frame included. When
`dotspacemacs-startup-buffer-responsive' is t, MAX-WIDTH will be
limited to the window's width. MAX-WIDTH takes precedence over
MIN-WIDTH.
MIN-WIDTH is the minimal width of the frame, frame included. The frame will not
shrink any thinner than MIN-WIDTH characters unless MAX-WIDTH says
otherwise."
(with-temp-buffer
(if (not (file-exists-p content))
(insert content)
(insert-file-contents content)
(goto-char (point-max))
(when (eq ?\n (char-before)) ;; remove additional newline at eof
(delete-char -1)))
(let* ((hpadding (if hpadding hpadding 1))
(text-width (spacemacs-buffer//get-buffer-width))
(width (+ 2 (* 2 hpadding) text-width))
(fill-column text-width)
(sentence-end-double-space nil) ; needed by fill-region
(paragraph-start "\f\\|[ \t]*$\\|[ \t]*[-+*] \\|[ \t]*[0-9]+[.)] ")
(topcaption-length (if topcaption (length topcaption) 0))
(botcaption-length (if botcaption (length botcaption) 0)))
(setq max-width (or max-width width)
min-width (or min-width 1)
max-width (if (< max-width min-width) min-width max-width)
max-width (if (> max-width spacemacs-buffer--window-width)
spacemacs-buffer--window-width
max-width))
(when (< width min-width)
(setq width min-width
fill-column (max 0 (- min-width 2 (* hpadding 2)))))
(when (> width max-width)
(setq width max-width
fill-column (max 0 (- max-width 2 (* hpadding 2)))))
(spacemacs-buffer||notes-adapt-caption-to-width topcaption
topcaption-length
width)
(spacemacs-buffer||notes-adapt-caption-to-width botcaption
botcaption-length
width)
(fill-region (point-min) (point-max) nil nil)
(concat
"╭─" (when topcaption (propertize (concat " " topcaption " ")
'face
'(:weight bold)))
(make-string (max 0 (- width (if topcaption 6 4) topcaption-length)) ?─) "─╮\n"
(spacemacs-buffer//notes-render-framed-line "" width hpadding)
(mapconcat (lambda (line)
(spacemacs-buffer//notes-render-framed-line line width hpadding))
(split-string (buffer-string) "\n" nil) "")
(spacemacs-buffer//notes-render-framed-line "" width hpadding)
"╰─" (when botcaption (propertize (concat " " botcaption " ")
'face '(:weight bold)))
(make-string (max 0 (- width (if botcaption 6 4) botcaption-length)) ?─)
"─╯" (when botcaption "\n")))))
(defun spacemacs-buffer//notes-render-framed-line (line width hpadding)
"Return a formatted LINE with borders of a frame on each side.
WIDTH: external width of the frame. LINE should be shorter than WIDTH.
HPADDING: horizontal padding on both sides of the framed string."
(let ((fill (max 0 (- width 2 hpadding (length line)))))
(concat "│" (make-string hpadding ?\s) line (make-string fill ?\s)
"│\n")))
(defun spacemacs-buffer//notes-insert-note
(file topcaption botcaption &optional additional-widgets)
"Insert the release note just under the banner.
FILE: the file that contains the content to show.
TOPCAPTION: the title of the note.
BOTCAPTION: a text to be encrusted at the bottom of the frame.
ADDITIONAL-WIDGETS: a function for inserting a widget under the frame."
(save-excursion
(goto-char (point-min))
(search-forward "Search in Spacemacs\]") ; TODO: this is dirty
(forward-line)
(let* ((buffer-read-only nil)
(note (concat "\n"
(spacemacs-buffer//notes-render-framed-text file
topcaption
botcaption
2
nil
80))))
(save-restriction
(narrow-to-region (point) (point))
(add-to-list 'spacemacs-buffer--note-widgets (widget-create 'text :format "%v" note))
(let* ((width (spacemacs-buffer//get-buffer-width))
(padding (max 0 (floor (/ (- spacemacs-buffer--window-width
width) 2)))))
(goto-char (point-min))
(while (not (eobp))
(beginning-of-line)
(insert (make-string padding ?\s))
(forward-line))))
(save-excursion
(while (re-search-backward "\\[\\[\\(.*\\)\\]\\]" nil t)
(make-text-button (match-beginning 1)
(match-end 1)
'type 'help-url
'help-args (list (match-string 1)))))
(funcall additional-widgets)
(spacemacs-buffer//center-line)
(delete-trailing-whitespace (line-beginning-position)
(line-end-position)))))
(defun spacemacs-buffer//notes-insert-quickhelp ()
"Insert quickhelp."
(let ((widget-func
(lambda ()
(add-to-list
'spacemacs-buffer--note-widgets
(widget-create 'push-button
:tag (propertize "Evil Tutorial"
'face 'font-lock-keyword-face)
:help-echo
"Teach you how to use Vim basics."
:action (lambda (&rest ignore)
(call-interactively #'evil-tutor-start))
:mouse-face 'highlight
:follow-link "\C-m"))
(widget-insert " ")
(add-to-list
'spacemacs-buffer--note-widgets
(widget-create 'push-button
:tag (propertize "Emacs Tutorial"
'face 'font-lock-keyword-face)
:help-echo "Teach you how to use Emacs basics."
:action (lambda (&rest ignore)
(call-interactively #'help-with-tutorial))
:mouse-face 'highlight
:follow-link "\C-m"))
(widget-insert " ")
(add-to-list
'spacemacs-buffer--note-widgets
(widget-create 'push-button
:tag (propertize "Vim Migration Guide"
'face 'font-lock-keyword-face)
:help-echo "Documentation for former vim users."
:action (lambda (&rest ignore)
(spacemacs/view-org-file
(concat spacemacs-docs-directory
"VIMUSERS.org") "^" 'all))
:mouse-face 'highlight
:follow-link "\C-m")))))
(spacemacs-buffer//notes-insert-note (concat spacemacs-info-directory
"quickhelp.txt")
"Quick Help"
nil
widget-func)))
(defun spacemacs-buffer//notes-insert-release-note ()
"Insert release note."
(let ((widget-func
(lambda ()
(add-to-list
'spacemacs-buffer--note-widgets
(widget-create 'push-button
:tag (propertize "Click here for full change log"
'face 'font-lock-warning-face)
:help-echo "Open the full change log."
:action
(lambda (&rest ignore)
(funcall 'spacemacs/view-org-file
(concat spacemacs-start-directory
"CHANGELOG.org")
(format "Release %s.x"
spacemacs-buffer-version-info)
'subtree))
:mouse-face 'highlight
:follow-link "\C-m")))))
(spacemacs-buffer//notes-insert-note (concat spacemacs-release-notes-directory
spacemacs-buffer-version-info
".txt")
(format "Important Notes (Release %s.x)"
spacemacs-buffer-version-info)
"Update your dotfile (SPC f e D) and\
packages after every update"
widget-func))
(setq spacemacs-buffer--release-note-version nil)
(spacemacs/dump-vars-to-file '(spacemacs-buffer--release-note-version)
spacemacs-buffer--cache-file))
(defun spacemacs-buffer//notes-clear-notes-and-widgets ()
"Remove existing note widgets if exists."
(when spacemacs-buffer--note-widgets
(mapc 'widget-delete spacemacs-buffer--note-widgets)
(setq spacemacs-buffer--note-widgets nil)
(setq spacemacs-buffer--release-note-version spacemacs-version)
(spacemacs/dump-vars-to-file
'(spacemacs-buffer--release-note-version) spacemacs-buffer--cache-file)))
(defun spacemacs-buffer//notes-redisplay-current-note ()
"Delete and rediplay the currently displayed note."
(spacemacs-buffer//notes-clear-notes-and-widgets)
(let ((type spacemacs-buffer--current-note-type))
(cond
((eq type 'quickhelp) (spacemacs-buffer//notes-insert-quickhelp))
((eq type 'release-note) (spacemacs-buffer//notes-insert-release-note))
(t))))
(defun spacemacs-buffer/toggle-note (type)
"Toggle the displayed note based on TYPE.
If TYPE is nil or unknown, just remove the currently displayed note. Currently
allowed types are `quickhelp' and `release-note'"
(spacemacs-buffer//notes-clear-notes-and-widgets)
(if (or (eq spacemacs-buffer--current-note-type nil)
(not (eq spacemacs-buffer--current-note-type type)))
(progn
(setq spacemacs-buffer--current-note-type type)
(cond
((eq type 'quickhelp) (spacemacs-buffer//notes-insert-quickhelp))
((eq type 'release-note) (spacemacs-buffer//notes-insert-release-note))
(t (setq spacemacs-buffer--current-note-type nil)
(message "Unknown note type: %s" 'type))))
(setq spacemacs-buffer--current-note-type nil)))
(defun spacemacs-buffer/set-mode-line (format &optional redisplay)
"Set mode-line format for spacemacs buffer.
FORMAT: the `mode-line-format' variable Emacs will use to build the mode-line.
If REDISPLAY is non-nil then force a redisplay as well"
(with-current-buffer (get-buffer-create spacemacs-buffer-name)
(setq mode-line-format format))
(when redisplay (spacemacs//redisplay)))
(defun spacemacs-buffer/message (msg &rest args)
"Display MSG in *Messages* prepended with '(Spacemacs)'.
The message is displayed only if `init-file-debug' is non nil.
ARGS: format string arguments."
(when init-file-debug
(message "(Spacemacs) %s" (apply 'format msg args))))
(defvar spacemacs-buffer--errors nil
"List of errors during startup.")
(defun spacemacs-buffer/error (msg &rest args)
"Display MSG as an Error message in `*Messages*' buffer.
ARGS: format string arguments."
(let ((msg (apply 'format msg args)))
(message "(Spacemacs) Error: %s" msg)
(when message-log-max
(add-to-list 'spacemacs-buffer--errors msg 'append))))
(defvar spacemacs-buffer--warnings nil
"List of warnings during startup.")
(defun spacemacs-buffer/warning (msg &rest args)
"Display MSG as a warning message but in buffer `*Messages*'.
ARGS: format string arguments."
(let ((msg (apply 'format msg args)))
(message "(Spacemacs) Warning: %s" msg)
(when message-log-max
(add-to-list 'spacemacs-buffer--warnings msg 'append))))
(defun spacemacs-buffer/insert-page-break ()
"Insert a page break line in spacemacs buffer."
(spacemacs-buffer/append "\n \n"))
(defun spacemacs-buffer/append (msg &optional messagebuf)
"Append MSG to spacemacs buffer.
If MESSAGEBUF is not nil then MSG is also written in message buffer."
(with-current-buffer (get-buffer-create spacemacs-buffer-name)
(goto-char (point-max))
(let ((buffer-read-only nil))
(insert msg)
(when messagebuf
(message "(Spacemacs) %s" msg)))))
(defun spacemacs-buffer/replace-last-line (msg &optional messagebuf)
"Replace the last line of the spacemacs buffer with MSG.
If MESSAGEBUF is not nil then MSG is also written in message buffer."
(with-current-buffer (get-buffer-create spacemacs-buffer-name)
(goto-char (point-max))
(let ((buffer-read-only nil))
(delete-region (line-beginning-position) (point-max))
(insert msg)
(when messagebuf
(message "(Spacemacs) %s" msg)))))
(defun spacemacs-buffer//startup-list-jump-func-name (str)
"Given a string, return a spacemacs-buffer function name.
Given: Return:
\"[?]\" \"spacemacs-buffer/jump-to-[?]\"
\"Recent Files:\" \"spacemacs-buffer/jump-to-recent-files\""
(let ((s (downcase str)))
;; remove last char if it's a colon
(when (string-match ":$" s)
(setq s (substring s nil (1- (length s)))))
;; replace any spaces with a dash
(setq s (replace-regexp-in-string " " "-" s))
(concat "spacemacs-buffer/jump-to-" s)))
(defmacro spacemacs-buffer||add-shortcut
(shortcut-char search-label &optional no-next-line)
"Add a single-key keybinding for quick navigation in the home buffer.
Navigation is done by searching for a specific word in the buffer.
SHORTCUT-CHAR: the key that the user will have to press.
SEARCH-LABEL: the word the cursor will be brought under (or on).
NO-NEXT-LINE: if nil the cursor is brought under the searched word.
Define a named function: spacemacs-buffer/jump-to-...
for the shortcut. So that a descriptive name is shown,
in for example the view-lossage (C-h l) buffer:
r ;; spacemacs-buffer/jump-to-recent-files
p ;; spacemacs-buffer/jump-to-projects
instead of:
r ;; anonymous-command
p ;; anonymous-command"
(let* ((func-name (spacemacs-buffer//startup-list-jump-func-name search-label))
(func-name-symbol (intern func-name)))
(eval `(defun ,func-name-symbol ()
(interactive)
(unless (search-forward ,search-label (point-max) t)
(search-backward ,search-label (point-min) t))
,@(unless no-next-line
'((forward-line 1)))
(back-to-indentation)))
`(define-key spacemacs-buffer-mode-map ,shortcut-char ',func-name-symbol)))
(defun spacemacs-buffer//center-line (&optional real-width)
"When point is at the end of a line, center it.
REAL-WIDTH: the real width of the line. If the line contains an image, the size
of that image will be considered to be 1 by the calculation method
used in this function. As a consequence, the caller must calculate
himself the correct length of the line taking into account the
images he inserted in it."
(let* ((width (or real-width (current-column)))
(margin (max 0 (floor (/ (- spacemacs-buffer--window-width
width)
2)))))
(beginning-of-line)
(insert (make-string margin ?\s))
(end-of-line)))
(defun spacemacs-buffer//insert-buttons ()
"Create and insert the interactive buttons under Spacemacs banner."
(goto-char (point-max))
(spacemacs-buffer||add-shortcut "m" "[?]" t)
(widget-create 'url-link
:tag (propertize "?" 'face 'font-lock-doc-face)
:help-echo "Open the quickhelp."
:action (lambda (&rest ignore)
(spacemacs-buffer/toggle-note 'quickhelp))
:mouse-face 'highlight
:follow-link "\C-m")
(insert " ")
(widget-create 'url-link
:tag (propertize "Homepage" 'face 'font-lock-keyword-face)
:help-echo "Open the Spacemacs GitHub page in your browser."
:mouse-face 'highlight
:follow-link "\C-m"
"http://spacemacs.org")
(insert " ")
(widget-create 'url-link
:tag (propertize "Documentation" 'face 'font-lock-keyword-face)
:help-echo "Open the Spacemacs documentation in your browser."
:mouse-face 'highlight
:follow-link "\C-m"
"http://spacemacs.org/doc/DOCUMENTATION.html")
(insert " ")
(widget-create 'url-link
:tag (propertize "Gitter Chat" 'face 'font-lock-keyword-face)
:help-echo
"Ask questions and chat with fellow users in our chat room."
:mouse-face 'highlight
:follow-link "\C-m"
"https://gitter.im/syl20bnr/spacemacs")
(insert " ")
(widget-create 'push-button
:help-echo "Update Spacemacs core and layers."
:action (lambda (&rest ignore) (spacemacs/switch-to-version))
:mouse-face 'highlight
:follow-link "\C-m"
(propertize "Update Spacemacs" 'face 'font-lock-keyword-face))
(let ((len (- (line-end-position)
(line-beginning-position))))
(spacemacs-buffer//center-line)
(setq spacemacs-buffer--buttons-position (- (line-end-position)
(line-beginning-position)
len)))
(insert "\n")
(widget-create 'push-button
:help-echo "Update all ELPA packages to the latest versions."
:action (lambda (&rest ignore)
(configuration-layer/update-packages))
:mouse-face 'highlight
:follow-link "\C-m"
(propertize "Update Packages" 'face 'font-lock-keyword-face))
(insert " ")
(widget-create 'push-button
:help-echo
"Rollback ELPA package updates if something got borked."
:action (lambda (&rest ignore)
(call-interactively 'configuration-layer/rollback))
:mouse-face 'highlight
:follow-link "\C-m"
(propertize "Rollback Package Update"
'face 'font-lock-keyword-face))
(spacemacs-buffer//center-line)
(insert "\n")
(widget-create 'push-button
:tag (propertize "Release Notes"
'face 'font-lock-preprocessor-face)
:help-echo "Hide or show the Changelog"
:action (lambda (&rest ignore)
(spacemacs-buffer/toggle-note 'release-note))
:mouse-face 'highlight
:follow-link "\C-m")
(insert " ")
(widget-create 'url-link
:tag (propertize "Search in Spacemacs"
'face 'font-lock-function-name-face)
:help-echo "Search Spacemacs contents."
:action
(lambda (&rest ignore)
(let ((comp-frontend
(cond
((configuration-layer/layer-used-p 'helm)
'helm-spacemacs-help)
((configuration-layer/layer-used-p 'ivy)
'ivy-spacemacs-help))))
(call-interactively comp-frontend)))
:mouse-face 'highlight
:follow-link "\C-m")
(spacemacs-buffer//center-line)
(insert "\n"))
(defun spacemacs-buffer//insert-string-list (list-display-name list)
"Insert a non-interactive startup list in the home buffer.
LIST-DISPLAY-NAME: the displayed title of the list.
LIST: a list of strings displayed as entries."
(when (car list)
(insert list-display-name)
(mapc (lambda (el)
(insert
"\n"
(with-temp-buffer
(insert el)
(fill-paragraph)
(goto-char (point-min))
(insert " - ")
(while (= 0 (forward-line))
(insert " "))
(buffer-string))))
list)))
(defun spacemacs-buffer//insert-file-list (list-display-name list)
"Insert an interactive list of files in the home buffer.
LIST-DISPLAY-NAME: the displayed title of the list.
LIST: a list of string pathnames made interactive in this function.
If LIST-DISPLAY-NAME is \"Recent Files:\":
prepend each list item with a number starting at: 1
The numbers indicate that the file can be opened,
by pressing its number key."
(when (car list)
(insert list-display-name)
(let ((list-nr 1))
(mapc (lambda (el)
(insert "\n ")
(let ((button-text
(concat
(when (and (string= list-display-name "Recent Files:")
(< list-nr 10))
(concat (number-to-string list-nr) " "))
(abbreviate-file-name el))))
(widget-create 'push-button
:action `(lambda (&rest ignore)
(find-file-existing ,el))
:mouse-face 'highlight
:follow-link "\C-m"
:button-prefix ""
:button-suffix ""
:format "%[%t%]"
button-text))
(setq list-nr (1+ list-nr)))
list))))
(defun spacemacs-buffer//insert-files-by-dir-list (list-display-name grouped-list)
"Insert an interactive grouped list of files in the home buffer.
LIST-DISPLAY-NAME: the displayed title of the list.
GROUPED-LIST: a list of string pathnames made interactive in this function."
(when (car grouped-list)
(insert list-display-name)
(mapc (lambda (group)
(insert "\n ")
(widget-create 'push-button
:action `(lambda (&rest ignore)
(find-file-existing ,(car group)))
:mouse-face 'highlight
:follow-link "\C-m"
:button-prefix ""
:button-suffix ""
:format "%[%t%]"
(abbreviate-file-name (car group)))
(mapc (lambda (el)
(insert "\n ")
(widget-create 'push-button
:action `(lambda (&rest ignore)
(find-file-existing (concat ,(car group) ,el)))
:mouse-face 'highlight
:follow-link "\C-m"
:button-prefix ""
:button-suffix ""
:format "%[%t%]"
(abbreviate-file-name el)))
(cdr group))) grouped-list)))
(defun spacemacs-buffer//insert-bookmark-list (list-display-name list)
"Insert an interactive list of bookmarks entries (if any) in the home buffer.
LIST-DISPLAY-NAME: the displayed title of the list.
LIST: a list of string bookmark names made interactive in this function."
(when (car list)
(insert list-display-name)
(mapc (lambda (el)
(insert "\n ")
(let ((filename (bookmark-get-filename el)))
(widget-create 'push-button
:action `(lambda (&rest ignore) (bookmark-jump ,el))
:mouse-face 'highlight
:follow-link "\C-m"
:button-prefix ""
:button-suffix ""
:format "%[%t%]"
(if filename
(format "%s - %s"
el (abbreviate-file-name filename))
(format "%s" el)))))
list)))
(defun spacemacs-buffer//get-org-items (types)
"Make a list of agenda file items for today of kind types.
TYPES: list of `org-mode' types to fetch."
(require 'org-agenda)
(let ((date (calendar-gregorian-from-absolute (org-today))))
(apply #'append
(cl-loop for file in (org-agenda-files nil 'ifmode)
collect
(spacemacs-buffer//make-org-items
file
(apply 'org-agenda-get-day-entries file date
types))))))
(defun spacemacs-buffer//agenda-list ()
"Return today's agenda."
(require 'org-agenda)
(spacemacs-buffer//get-org-items org-agenda-entry-types))
(defun spacemacs-buffer//todo-list ()
"Return current todos."
(require 'org-agenda)
(spacemacs-buffer//get-org-items '(:todo)))
(defun spacemacs-buffer//make-org-items (file items)
"Make a spacemacs-buffer org item list.
FILE: file name.
ITEMS:"
(cl-loop
for item in items
collect
(spacemacs-buffer//make-org-item file item)))
(defun spacemacs-buffer//make-org-item (file item)
"Make a spacemacs-buffer version of an org item.
FILE: file name.
ITEM:"
(list (cons "text"
(get-text-property 0 'txt item))
(cons "file" file)
(cons "pos"
(marker-position
(get-text-property 0 'org-marker item)))
(cons "time"
(get-text-property 0 'time item))))
(defun spacemacs-buffer//org-jump (el)
"Action executed when using an item in the home buffer's todo list.
EL: `org-agenda' element to jump to."
(require 'org-agenda)
(find-file-other-window (cdr (assoc "file" el)))
(widen)
(goto-char (cdr (assoc "pos" el)))
(when (derived-mode-p 'org-mode)
(org-show-context 'agenda)
(save-excursion
(and (outline-next-heading)
(org-flag-heading nil))) ; show the next heading
(when (outline-invisible-p)
(outline-show-entry)) ; display invisible text
(recenter (/ (window-height) 2))
(org-back-to-heading t)
(if (re-search-forward org-complex-heading-regexp nil t)
(goto-char (match-beginning 4))))
(run-hooks 'org-agenda-after-show-hook))
(defun spacemacs-buffer//insert-todo-list (list-display-name list)
"Insert an interactive todo list of `org-agenda' entries in the home buffer.
LIST-DISPLAY-NAME: the displayed title of the list.
LIST: list of `org-agenda' entries in the todo list."
(when (car list)
(insert list-display-name)
(setq list (sort list
(lambda (a b)
(cond
((eq "" (cdr (assoc "time" b)))
t)
((eq "" (cdr (assoc "time" a)))
nil)
(t
(string< (cdr (assoc "time" a))
(cdr (assoc "time" b))))))))
(mapc (lambda (el)
(insert "\n ")
(widget-create 'push-button
:action `(lambda (&rest ignore)
(spacemacs-buffer//org-jump ',el))
:mouse-face 'highlight
:follow-link "\C-m"
:button-prefix ""
:button-suffix ""
:format "%[%t%]"
(format "%s %s %s"
(let ((filename (cdr (assoc "file" el))))
(if dotspacemacs-home-shorten-agenda-source
(file-name-nondirectory filename)
(abbreviate-file-name filename)))
(if (not (eq "" (cdr (assoc "time" el))))
(format "- %s -"
(cdr (assoc "time" el)))
"-")
(cdr (assoc "text" el)))))
list)))
(defun spacemacs-buffer//associate-to-project (recent-file by-project)
(dolist (x by-project)
(when (string-prefix-p (car x) recent-file)
(setcdr x (cons (string-remove-prefix (car x) recent-file) (cdr x))))))
(defun spacemacs-buffer//recent-files-by-project ()
(let ((by-project (mapcar (lambda (p) (cons (expand-file-name p) nil))
(projectile-relevant-known-projects))))
(dolist (recent-file recentf-list by-project)
(spacemacs-buffer//associate-to-project recent-file by-project))))
(defun spacemacs//subseq (seq start end)
"Adapted version of `cl-subseq'.
Use `cl-subseq', but accounting for end points greater than the size of the
list. Return entire list if end is omitted.
SEQ, START and END are the same arguments as for `cl-subseq'"
(let ((len (length seq)))
(cl-subseq seq start (and (number-or-marker-p end)
(min len end)))))
(defun spacemacs-buffer//insert-errors ()
(when (spacemacs-buffer//insert-string-list
"Errors:" spacemacs-buffer--errors)
(spacemacs-buffer||add-shortcut "e" "Errors:")
(insert spacemacs-buffer-list-separator)))
(defun spacemacs-buffer//insert-warnings ()
(when (spacemacs-buffer//insert-string-list
"Warnings:" spacemacs-buffer--warnings)
(spacemacs-buffer||add-shortcut "w" "Warnings:")
(insert spacemacs-buffer-list-separator)))
(defun spacemacs-buffer//insert-recent-files (list-size)
(unless recentf-mode (recentf-mode))
(when (spacemacs-buffer//insert-file-list
"Recent Files:"
(spacemacs//subseq recentf-list 0 list-size))
(spacemacs-buffer||add-shortcut "r" "Recent Files:")
(let (recent-files-list-length)
(dolist (item dotspacemacs-startup-lists)
(when (equal (car item) 'recents)
(setq recent-files-list-length (cdr item))))
(dotimes (i recent-files-list-length)
(when (< (1+ i) 10)
(define-key spacemacs-buffer-mode-map
(number-to-string (1+ i))
`,(intern (format "recentf-open-most-recent-file-%s"
(1+ i))))))))
(insert spacemacs-buffer-list-separator))
(defun spacemacs-buffer//insert-recent-files-by-project (list-size)
(unless recentf-mode (recentf-mode))
(unless projectile-mode (projectile-mode))
(when (spacemacs-buffer//insert-files-by-dir-list
"Recent Files by Project:"
(mapcar (lambda (group)
(cons (car group)
(spacemacs//subseq (reverse (cdr group))
0
(cdr list-size))))
(spacemacs//subseq (spacemacs-buffer//recent-files-by-project)
0
(car list-size))))
(spacemacs-buffer||add-shortcut "R" "Recent Files by Project:")
(insert spacemacs-buffer-list-separator)))