1086 lines
47 KiB
EmacsLisp
1086 lines
47 KiB
EmacsLisp
;;; core-spacemacs-buffer.el --- Spacemacs Core File
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;;
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;; Copyright (c) 2012-2017 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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;;
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;;; Commentary:
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;;
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;;; Code:
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(defconst spacemacs-buffer-version-info "0.200.9"
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"Current version used to display addition release information.")
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(defconst spacemacs-buffer-name "*spacemacs*"
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"The name of the spacemacs buffer.")
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(defconst spacemacs-buffer-logo-title "[S P A C E M A C S]"
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"The title displayed beneath the logo.")
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(defconst spacemacs-buffer-buttons-startup-lists-offset 25
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"Relative position between the home buffer buttons and startup lists.")
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(defconst spacemacs-buffer--window-width 80
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"Current width of the home buffer if responsive, 80 otherwise.
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See `dotspacemacs-startup-buffer-responsive'.")
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(defconst spacemacs-buffer--cache-file
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(expand-file-name (concat spacemacs-cache-directory "spacemacs-buffer.el"))
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"Cache file for various persistent data for the spacemacs startup buffer.")
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(defvar spacemacs-buffer-startup-lists-length 20
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"Length used for startup lists with otherwise unspecified bounds.
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Set to nil for unbounded.")
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(defvar spacemacs-buffer--release-note-version nil
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"If nil the release note is displayed.
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If non nil it contains a version number, if the version number is lesser than
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the current version the release note it displayed")
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(defvar spacemacs-buffer--note-widgets nil
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"List of widgets used in currently inserted notes.
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Allows to keep track of widgets to delete when removing them.")
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(defvar spacemacs-buffer--current-note-type nil
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"Type of note currently displayed.")
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(defvar spacemacs-buffer--fresh-install
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(not (file-exists-p dotspacemacs-filepath))
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"Non-nil if this Emacs instance if a fresh install.")
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(defvar spacemacs-buffer--buttons-position nil
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"Horizontal position of the home buffer buttons.
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Internal use, do not set this variable.")
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(defvar spacemacs-buffer-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map [down-mouse-1] 'widget-button-click)
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(define-key map (kbd "RET") 'widget-button-press)
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(define-key map [tab] 'widget-forward)
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(define-key map (kbd "J") 'widget-forward)
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(define-key map (kbd "C-i") 'widget-forward)
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(define-key map [backtab] 'widget-backward)
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(define-key map (kbd "K") 'widget-backward)
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(define-key map (kbd "C-r") 'spacemacs-buffer/refresh)
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(define-key map "q" 'quit-window)
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map)
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"Keymap for spacemacs buffer mode.")
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(with-eval-after-load 'evil
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(evil-make-overriding-map spacemacs-buffer-mode-map 'motion))
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(define-derived-mode spacemacs-buffer-mode fundamental-mode "Spacemacs buffer"
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"Spacemacs major mode for startup screen."
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:group 'spacemacs
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:syntax-table nil
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:abbrev-table nil
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(page-break-lines-mode)
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(setq buffer-read-only t
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truncate-lines t)
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;; needed to make tab work correctly in terminal
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(evil-define-key 'motion spacemacs-buffer-mode-map
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(kbd "C-i") 'widget-forward)
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;; motion state since this is a special mode
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(evil-set-initial-state 'spacemacs-buffer-mode 'motion))
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(defun spacemacs-buffer//insert-ascii-banner-centered (file)
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"Insert the ascii banner contain in file and center it in the window.
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FILE: the path to the file containing the banner."
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(insert
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(with-temp-buffer
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(insert-file-contents file)
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(let ((banner-width 0))
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(while (not (eobp))
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(let ((line-length (- (line-end-position) (line-beginning-position))))
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(if (< banner-width line-length)
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(setq banner-width line-length)))
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(forward-line 1))
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(goto-char 0)
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(let ((margin (max 0 (floor (/ (- spacemacs-buffer--window-width
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banner-width) 2)))))
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(while (not (eobp))
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(insert (make-string margin ?\s))
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(forward-line 1))))
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(buffer-string))))
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(defun spacemacs-buffer/insert-banner-and-buttons ()
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"Choose a banner according to `dotspacemacs-startup-banner'and insert it.
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in spacemacs buffer along with quick buttons underneath.
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Easter egg:
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Doge special text banner can be reachable via `999', `doge' or `random*'.
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Cate special text banner can de reachable via `998', `cat' or `random*'.
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`random' ignore special banners whereas `random*' does not."
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(let ((banner (spacemacs-buffer//choose-banner))
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(buffer-read-only nil))
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(progn
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(when banner
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(spacemacs-buffer/message (format "Banner: %s" banner))
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(if (image-type-available-p (intern (file-name-extension banner)))
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(spacemacs-buffer//insert-image-banner banner)
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(spacemacs-buffer//insert-ascii-banner-centered banner))
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(spacemacs-buffer//inject-version))
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(spacemacs-buffer//insert-buttons)
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(spacemacs//redisplay))))
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(defun spacemacs-buffer/display-startup-note ()
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"Decide of the startup note and display it if relevant."
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(when (file-exists-p spacemacs-buffer--cache-file)
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(load spacemacs-buffer--cache-file))
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(cond
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(spacemacs-buffer--fresh-install
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;; we assume the user is new to spacemacs and open the quickhelp
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(spacemacs-buffer/toggle-note 'quickhelp)
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(setq spacemacs-buffer--release-note-version spacemacs-version)
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(spacemacs/dump-vars-to-file '(spacemacs-buffer--release-note-version)
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spacemacs-buffer--cache-file))
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((or (not spacemacs-buffer--release-note-version)
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(version< spacemacs-buffer--release-note-version
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spacemacs-version))
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;; check the variable spacemacs-buffer--release-note-version
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;; to decide whether we show the release note
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(spacemacs-buffer/toggle-note 'release-note)))
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(spacemacs//redisplay))
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(defun spacemacs-buffer//choose-banner ()
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"Return the full path of a banner based on the dotfile value."
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(when dotspacemacs-startup-banner
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(cond ((eq 'official dotspacemacs-startup-banner)
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(if (and (display-graphic-p) (image-type-available-p 'png))
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spacemacs-banner-official-png
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(spacemacs-buffer//get-banner-path 1)))
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((eq 'random dotspacemacs-startup-banner)
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(spacemacs-buffer//choose-random-text-banner))
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((eq 'random* dotspacemacs-startup-banner)
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(spacemacs-buffer//choose-random-text-banner t))
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((eq 'doge dotspacemacs-startup-banner)
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(spacemacs-buffer//get-banner-path 999))
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((eq 'cat dotspacemacs-startup-banner)
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(spacemacs-buffer//get-banner-path 998))
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((integerp dotspacemacs-startup-banner)
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(spacemacs-buffer//get-banner-path dotspacemacs-startup-banner))
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((and dotspacemacs-startup-banner
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(image-type-available-p (intern (file-name-extension
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dotspacemacs-startup-banner)))
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(display-graphic-p))
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(if (file-exists-p dotspacemacs-startup-banner)
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dotspacemacs-startup-banner
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(spacemacs-buffer/warning (format "could not find banner %s"
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dotspacemacs-startup-banner))
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(spacemacs-buffer//get-banner-path 1)))
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(t (spacemacs-buffer//get-banner-path 1)))))
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(defvar spacemacs-buffer--random-banner nil
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"The random banner chosen.")
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(defun spacemacs-buffer//choose-random-text-banner (&optional all)
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"Return the full path of a banner chosen randomly.
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If ALL is non-nil then truly all banners can be selected."
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(setq spacemacs-buffer--random-banner
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(or spacemacs-buffer--random-banner
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(let* ((files (directory-files spacemacs-banner-directory t ".*\.txt"))
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(count (length files))
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;; -2 to remove the two last ones (easter eggs)
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(choice (random (- count (if all 0 2)))))
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(nth choice files)))))
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(defun spacemacs-buffer//get-banner-path (index)
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"Return the full path to banner with index INDEX."
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(concat spacemacs-banner-directory (format "%03d-banner.txt" index)))
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(defun spacemacs-buffer//insert-image-banner (banner)
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"Display an image banner.
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BANNER: the path to an ascii banner file."
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(when (file-exists-p banner)
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(let* ((title spacemacs-buffer-logo-title)
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(spec (create-image banner))
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(size (image-size spec))
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(width (car size))
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(left-margin (max 0 (floor (- spacemacs-buffer--window-width width) 2))))
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(goto-char (point-min))
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(insert "\n")
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(insert (make-string left-margin ?\s))
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(insert-image spec)
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(insert "\n\n")
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(insert (make-string (max 0 (floor (/ (- spacemacs-buffer--window-width
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(+ (length title) 1)) 2))) ?\s))
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(insert (format "%s\n\n" title)))))
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(defun spacemacs-buffer//inject-version ()
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"Inject the current version of spacemacs.
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Insert it in the first line of the buffer, right justified."
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(with-current-buffer (get-buffer-create spacemacs-buffer-name)
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(save-excursion
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(let ((version (format "%s@%s (%s)"
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spacemacs-version
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emacs-version
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dotspacemacs-distribution))
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(buffer-read-only nil))
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(goto-char (point-min))
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(delete-region (point) (progn (end-of-line) (point)))
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(insert (format (format "%%%ds"
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spacemacs-buffer--window-width)
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version))))))
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(defun spacemacs-buffer//insert-footer ()
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"Insert the footer of the home buffer."
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(save-excursion
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(let* ((badge-path spacemacs-badge-official-png)
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(badge (when (and (display-graphic-p)
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(image-type-available-p
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(intern (file-name-extension badge-path))))
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(create-image badge-path)))
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(badge-size (when badge (car (image-size badge))))
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(heart-path spacemacs-purple-heart-png)
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(heart (when (and (display-graphic-p)
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(image-type-available-p
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(intern (file-name-extension badge-path))))
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(create-image heart-path)))
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(heart-size (when heart (car (image-size heart))))
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(build-lhs "Made with ")
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(build-rhs " by the community")
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(buffer-read-only nil))
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(when (or badge heart)
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(goto-char (point-max))
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(spacemacs-buffer/insert-page-break)
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(insert "\n")
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(when badge
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(insert-image badge)
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(spacemacs-buffer//center-line badge-size))
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(when heart
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(when badge (insert "\n\n"))
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(insert build-lhs)
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(insert-image heart)
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(insert build-rhs)
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(spacemacs-buffer//center-line (+ (length build-lhs)
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heart-size
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(length build-rhs)))
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(insert "\n"))))))
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(defun spacemacs-buffer//notes-render-framed-text
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(content &optional topcaption botcaption hpadding max-width min-width)
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"Return a formated string framed with plained lines.
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The width of the created frame is the width of the content, unless it does not
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satisfy max-width or min-width. Note that max-width can be limited by the
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window's width.
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CONTENT can be a text or a filepath.
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TOPCAPTION is a text to be encrusted at the top of the frame.
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BOTCAPTION is a text to be encrusted at the bottom of the frame.
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HPADDING is the horizontal spacing between the text and the frame. The vertical
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spacing is always one line.
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MAX-WIDTH is the maximum width of the frame, frame included. When
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`dotspacemacs-startup-buffer-responsive' is t, MAX-WIDTH will be
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limited to the window's width. MAX-WIDTH takes precedence over
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MIN-WIDTH.
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MIN-WIDTH is the minimal width of the frame, frame included. The frame will not
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shrink any thinner than MIN-WIDTH characters unless MAX-WIDTH says
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otherwise."
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(with-temp-buffer
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(if (not (file-exists-p content))
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(insert content)
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(insert-file-contents content)
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(goto-char (point-max))
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(when (eq ?\n (char-before)) ;; remove additional newline at eof
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(delete-char -1)))
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(let* ((hpadding (if hpadding hpadding 1))
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(text-width (spacemacs-buffer//get-buffer-width))
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(width (+ 2 (* 2 hpadding) text-width))
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(fill-column text-width)
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(sentence-end-double-space nil) ; needed by fill-region
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(paragraph-start "\f\\|[ \t]*$\\|[ \t]*[-+*] \\|[ \t]*[0-9]+[.)] ")
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(topcaption-length (if topcaption (length topcaption) 0))
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(botcaption-length (if botcaption (length botcaption) 0)))
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(setq max-width (or max-width width)
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min-width (or min-width 1)
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max-width (if (< max-width min-width) min-width max-width)
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max-width (if (> max-width spacemacs-buffer--window-width)
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spacemacs-buffer--window-width
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max-width))
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(when (< width min-width)
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(setq width min-width
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fill-column (max 0 (- min-width 2 (* hpadding 2)))))
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(when (> width max-width)
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(setq width max-width
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fill-column (max 0 (- max-width 2 (* hpadding 2)))))
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(spacemacs-buffer||notes-adapt-caption-to-width topcaption
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topcaption-length
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width)
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(spacemacs-buffer||notes-adapt-caption-to-width botcaption
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botcaption-length
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width)
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(fill-region (point-min) (point-max) nil nil)
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(concat
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"╭─" (when topcaption (propertize (concat " " topcaption " ")
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'face
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'(:weight bold)))
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(make-string (max 0 (- width (if topcaption 6 4) topcaption-length)) ?─) "─╮\n"
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(spacemacs-buffer//notes-render-framed-line "" width hpadding)
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(mapconcat (lambda (line)
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(spacemacs-buffer//notes-render-framed-line line width hpadding))
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(split-string (buffer-string) "\n" nil) "")
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(spacemacs-buffer//notes-render-framed-line "" width hpadding)
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"╰─" (when botcaption (propertize (concat " " botcaption " ")
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'face '(:weight bold)))
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(make-string (max 0 (- width (if botcaption 6 4) botcaption-length)) ?─)
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"─╯" (when botcaption "\n")))))
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(defmacro spacemacs-buffer||notes-adapt-caption-to-width (caption
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caption-length
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width)
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"Adapt caption string's length to the note's frame current width.
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For internal use in `spacemacs-buffer//notes-render-framed-text'.
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CAPTION: string to be encrusted onto the note's frame
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CAPTION-LENGTH: length of the caption
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WIDTH: current external width of the note's frame."
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`(when (> ,caption-length (- ,width 6)) ; minimum frame width is 6
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(if (> ,width 8)
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(setq ,caption (concat (substring ,caption
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0
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(min -3 (- (- ,width 6 3)
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,caption-length)))
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"..."))
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(setq ,caption nil
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,caption-length 0))))
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(defun spacemacs-buffer//notes-render-framed-line (line width hpadding)
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"Return a formated LINE with borders of a frame on each side.
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WIDTH: external width of the frame. LINE should be shorter than WIDTH.
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HPADDING: horizontal padding on both sides of the framed string."
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(let ((fill (max 0 (- width 2 hpadding (length line)))))
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(concat "│" (make-string hpadding ?\s) line (make-string fill ?\s)
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"│\n")))
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(defun spacemacs-buffer//notes-insert-note
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(file topcaption botcaption &optional additional-widgets)
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"Insert the release note just under the banner.
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FILE: the file that contains the content to show.
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TOPCAPTION: the title of the note.
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BOTCAPTION: a text to be encrusted at the bottom of the frame.
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ADDITIONAL-WIDGETS: a function for inserting a widget under the frame."
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(save-excursion
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(goto-char (point-min))
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(search-forward "Search in Spacemacs\]") ; TODO: this is dirty
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(forward-line)
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(let* ((buffer-read-only nil)
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(note (concat "\n"
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(spacemacs-buffer//notes-render-framed-text file
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topcaption
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botcaption
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2
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nil
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80))))
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(save-restriction
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(narrow-to-region (point) (point))
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(add-to-list 'spacemacs-buffer--note-widgets (widget-create 'text note))
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(let* ((width (spacemacs-buffer//get-buffer-width))
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(padding (max 0 (floor (/ (- spacemacs-buffer--window-width
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width) 2)))))
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(goto-char (point-min))
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(while (not (eobp))
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(beginning-of-line)
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(insert (make-string padding ?\s))
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(forward-line))))
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(save-excursion
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(while (re-search-backward "\\[\\[\\(.*\\)\\]\\]" nil t)
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(make-text-button (match-beginning 1)
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(match-end 1)
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'type 'help-url
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'help-args (list (match-string 1)))))
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(funcall additional-widgets)
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(spacemacs-buffer//center-line)
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(delete-trailing-whitespace (line-beginning-position)
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(line-end-position)))))
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(defun spacemacs-buffer//notes-insert-quickhelp ()
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"Insert quickhelp."
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(let ((widget-func
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(lambda ()
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(add-to-list
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'spacemacs-buffer--note-widgets
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(widget-create 'push-button
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:tag (propertize "Evil Tutorial"
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'face 'font-lock-keyword-face)
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||
:help-echo
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||
"Teach you how to use Vim basics."
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||
:action (lambda (&rest ignore)
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(call-interactively #'evil-tutor-start))
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||
:mouse-face 'highlight
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||
:follow-link "\C-m"))
|
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(widget-insert " ")
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||
(add-to-list
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||
'spacemacs-buffer--note-widgets
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||
(widget-create 'push-button
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||
:tag (propertize "Emacs Tutorial"
|
||
'face 'font-lock-keyword-face)
|
||
:help-echo "Teach you how to use Emacs basics."
|
||
:action (lambda (&rest ignore)
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||
(call-interactively #'help-with-tutorial))
|
||
:mouse-face 'highlight
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||
:follow-link "\C-m"))
|
||
(widget-insert " ")
|
||
(add-to-list
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||
'spacemacs-buffer--note-widgets
|
||
(widget-create 'push-button
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||
: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)
|
||
"Set mode-line format for spacemacs buffer.
|
||
FORMAT: the `mode-line-format' variable Emacs will use to build the mode-line."
|
||
(with-current-buffer (get-buffer-create spacemacs-buffer-name)
|
||
(setq mode-line-format format)))
|
||
|
||
(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--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/loading-animation ()
|
||
"Display the progress bar by chunks of size `spacemacs--loading-dots-chunk-threshold'."
|
||
(when (and (not noninteractive)
|
||
dotspacemacs-loading-progress-bar)
|
||
(setq spacemacs-loading-counter (1+ spacemacs-loading-counter))
|
||
(setq spacemacs-loading-value (1+ spacemacs-loading-value))
|
||
(when (>= spacemacs-loading-counter spacemacs-loading-dots-chunk-threshold)
|
||
(let ((suffix (format "> %s/%s" spacemacs-loading-value
|
||
(length configuration-layer--used-packages))))
|
||
(setq spacemacs-loading-counter 0)
|
||
(setq spacemacs-loading-string
|
||
(make-string
|
||
(max 0
|
||
(- (* spacemacs-loading-dots-chunk-size
|
||
(floor (/ spacemacs-loading-value
|
||
spacemacs-loading-dots-chunk-threshold)))
|
||
(length suffix)))
|
||
spacemacs-loading-char))
|
||
(spacemacs-buffer/set-mode-line (concat spacemacs-loading-string
|
||
suffix)))
|
||
(spacemacs//redisplay))))
|
||
|
||
(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-key spacemacs-buffer-mode-map
|
||
,shortcut-char (lambda ()
|
||
(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))))
|
||
|
||
(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\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."
|
||
(when (car list)
|
||
(insert list-display-name)
|
||
(mapc (lambda (el)
|
||
(insert "\n ")
|
||
(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%]"
|
||
(abbreviate-file-name el)))
|
||
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
|
||
(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:"
|
||
(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"
|
||
(abbreviate-file-name
|
||
(cdr (assoc "file" el)))
|
||
(if (not (eq "" (cdr (assoc "time" el))))
|
||
(format "- %s -"
|
||
(cdr (assoc "time" el)))
|
||
"-")
|
||
(cdr (assoc "text" el)))))
|
||
list)))
|
||
|
||
(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//do-insert-startupify-lists ()
|
||
"Insert the startup lists in the current buffer."
|
||
(let ((list-separator "\n\n")
|
||
(recentf-exclude '((lambda (filename) t))))
|
||
(mapc (lambda (els)
|
||
(let ((el (or (car-safe els) els))
|
||
(list-size
|
||
(or (cdr-safe els)
|
||
spacemacs-buffer-startup-lists-length)))
|
||
(cond
|
||
((eq el 'warnings)
|
||
(when (spacemacs-buffer//insert-string-list
|
||
"Warnings:"
|
||
spacemacs-buffer--warnings)
|
||
(spacemacs-buffer||add-shortcut "w" "Warnings:")
|
||
(insert list-separator)))
|
||
((eq el 'recents)
|
||
(recentf-mode)
|
||
(when (spacemacs-buffer//insert-file-list
|
||
"Recent Files:"
|
||
(spacemacs//subseq recentf-list 0 list-size))
|
||
(spacemacs-buffer||add-shortcut "r" "Recent Files:")
|
||
(insert list-separator)))
|
||
((eq el 'todos)
|
||
(when (spacemacs-buffer//insert-todo-list
|
||
"ToDo:"
|
||
(spacemacs//subseq (spacemacs-buffer//todo-list)
|
||
0 list-size))
|
||
(spacemacs-buffer||add-shortcut "d" "ToDo:")
|
||
(insert list-separator)))
|
||
((eq el 'agenda)
|
||
(when (spacemacs-buffer//insert-todo-list
|
||
"Agenda:"
|
||
(spacemacs//subseq (spacemacs-buffer//agenda-list)
|
||
0 list-size))
|
||
(spacemacs-buffer||add-shortcut "c" "Agenda:")
|
||
(insert list-separator)))
|
||
((eq el 'bookmarks)
|
||
(when (configuration-layer/layer-used-p 'spacemacs-helm)
|
||
(helm-mode))
|
||
(require 'bookmark)
|
||
(when (spacemacs-buffer//insert-bookmark-list
|
||
"Bookmarks:"
|
||
(spacemacs//subseq (bookmark-all-names)
|
||
0 list-size))
|
||
(spacemacs-buffer||add-shortcut "b" "Bookmarks:")
|
||
(insert list-separator)))
|
||
((and (eq el 'projects)
|
||
(fboundp 'projectile-mode))
|
||
(projectile-mode)
|
||
(when (spacemacs-buffer//insert-file-list
|
||
"Projects:"
|
||
(spacemacs//subseq (projectile-relevant-known-projects)
|
||
0 list-size))
|
||
(spacemacs-buffer||add-shortcut "p" "Projects:")
|
||
(insert list-separator))))))
|
||
(append
|
||
'(warnings)
|
||
dotspacemacs-startup-lists))))
|
||
|
||
(defun spacemacs-buffer//get-buffer-width ()
|
||
"Return the length of longest line in the current buffer."
|
||
(save-excursion
|
||
(goto-char 0)
|
||
(let ((current-max 0))
|
||
(while (not (eobp))
|
||
(let ((line-length (- (line-end-position) (line-beginning-position))))
|
||
(if (< current-max line-length)
|
||
(setq current-max line-length)))
|
||
(forward-line 1))
|
||
current-max)))
|
||
|
||
(defun spacemacs-buffer//center-startup-lists ()
|
||
"Center startup lists after they were inserted."
|
||
(let* ((lists-width (spacemacs-buffer//get-buffer-width))
|
||
(margin (max 0 (- spacemacs-buffer--buttons-position
|
||
spacemacs-buffer-buttons-startup-lists-offset)))
|
||
(final-padding (if (< spacemacs-buffer--window-width
|
||
(+ margin lists-width))
|
||
(max 0 (floor (/ (- spacemacs-buffer--window-width
|
||
lists-width)
|
||
2)))
|
||
margin)))
|
||
(goto-char (point-min))
|
||
(while (not (eobp))
|
||
(beginning-of-line)
|
||
(insert (make-string final-padding ?\s))
|
||
(forward-line))))
|
||
|
||
(defun spacemacs-buffer/insert-startup-lists ()
|
||
"Insert startup lists in home buffer."
|
||
(interactive)
|
||
(with-current-buffer (get-buffer spacemacs-buffer-name)
|
||
(let ((buffer-read-only nil))
|
||
(goto-char (point-max))
|
||
(spacemacs-buffer/insert-page-break)
|
||
(insert "\n")
|
||
(save-restriction
|
||
(narrow-to-region (point) (point))
|
||
(spacemacs-buffer//do-insert-startupify-lists)
|
||
(spacemacs-buffer//center-startup-lists)))))
|
||
|
||
(defun spacemacs-buffer/goto-link-line ()
|
||
"Set point to the beginning of the link line."
|
||
(interactive)
|
||
(with-current-buffer spacemacs-buffer-name
|
||
(goto-char (point-min))
|
||
(with-demoted-errors "spacemacs buffer error: %s"
|
||
(widget-forward 1))))
|
||
|
||
(defun spacemacs-buffer//startup-hook ()
|
||
"Code executed when Emacs has finished loading."
|
||
(with-current-buffer (get-buffer spacemacs-buffer-name)
|
||
(when dotspacemacs-startup-lists
|
||
(spacemacs-buffer/insert-startup-lists))
|
||
(spacemacs-buffer//insert-footer)
|
||
(if configuration-layer-error-count
|
||
(progn
|
||
(spacemacs-buffer-mode)
|
||
(spacemacs-buffer/set-mode-line
|
||
(format
|
||
(concat "%s error(s) at startup! "
|
||
"Spacemacs may not be able to operate properly.")
|
||
configuration-layer-error-count))
|
||
(face-remap-add-relative 'mode-line
|
||
'((:background "red") mode-line)))
|
||
(spacemacs-buffer/set-mode-line spacemacs--default-mode-line)
|
||
(spacemacs-buffer-mode))
|
||
(force-mode-line-update)
|
||
(spacemacs-buffer/goto-link-line)))
|
||
|
||
(defvar spacemacs-buffer--last-width nil
|
||
"Previous width of spacemacs-buffer.")
|
||
|
||
(defun spacemacs-buffer/goto-buffer (&optional refresh)
|
||
"Create the special buffer for `spacemacs-buffer-mode' and switch to it.
|
||
REFRESH if the buffer should be redrawn."
|
||
(interactive)
|
||
(let ((buffer-exists (buffer-live-p (get-buffer spacemacs-buffer-name)))
|
||
(save-line nil))
|
||
(when (not buffer-exists)
|
||
(setq spacemacs-buffer--note-widgets nil))
|
||
(when (or (not (eq spacemacs-buffer--last-width (window-width)))
|
||
(not buffer-exists)
|
||
refresh)
|
||
(setq spacemacs-buffer--window-width (if dotspacemacs-startup-buffer-responsive
|
||
(window-width)
|
||
80)
|
||
spacemacs-buffer--last-width spacemacs-buffer--window-width)
|
||
(with-current-buffer (get-buffer-create spacemacs-buffer-name)
|
||
(page-break-lines-mode)
|
||
(save-excursion
|
||
(when (> (buffer-size) 0)
|
||
(set 'save-line (line-number-at-pos))
|
||
(let ((inhibit-read-only t))
|
||
(erase-buffer)))
|
||
(spacemacs-buffer/set-mode-line "")
|
||
(spacemacs-buffer/insert-banner-and-buttons)
|
||
(when (bound-and-true-p spacemacs-initialized)
|
||
(spacemacs-buffer//notes-redisplay-current-note)
|
||
(configuration-layer/display-summary emacs-start-time)
|
||
(when dotspacemacs-startup-lists
|
||
(spacemacs-buffer/insert-startup-lists))
|
||
(spacemacs-buffer//insert-footer)
|
||
(spacemacs-buffer/set-mode-line spacemacs--default-mode-line)
|
||
(force-mode-line-update)
|
||
(spacemacs-buffer-mode))))
|
||
(if save-line
|
||
(progn (goto-char (point-min))
|
||
(forward-line (1- save-line))
|
||
(forward-to-indentation 0))
|
||
(spacemacs-buffer/goto-link-line))
|
||
(switch-to-buffer spacemacs-buffer-name)
|
||
(spacemacs//redisplay))))
|
||
|
||
(add-hook 'window-setup-hook
|
||
(lambda ()
|
||
(add-hook 'window-configuration-change-hook
|
||
'spacemacs-buffer//resize-on-hook)
|
||
(spacemacs-buffer//resize-on-hook)))
|
||
|
||
(defun spacemacs-buffer//resize-on-hook ()
|
||
"Hook run on window resize events to redisplay the home buffer."
|
||
(let ((home-buffer (get-buffer-window spacemacs-buffer-name))
|
||
(frame-win (frame-selected-window)))
|
||
(when (and dotspacemacs-startup-buffer-responsive
|
||
home-buffer
|
||
(not (window-minibuffer-p frame-win)))
|
||
(with-selected-window home-buffer
|
||
(spacemacs-buffer/goto-buffer)))))
|
||
|
||
(defun spacemacs-buffer/refresh ()
|
||
"Force recreation of the spacemacs buffer."
|
||
(interactive)
|
||
(setq spacemacs-buffer--last-width nil)
|
||
(spacemacs-buffer/goto-buffer t))
|
||
|
||
(defalias 'spacemacs/home 'spacemacs-buffer/refresh
|
||
"Go to home Spacemacs buffer")
|
||
|
||
(defun spacemacs/home-delete-other-windows ()
|
||
"Open home Spacemacs buffer and delete other windows.
|
||
Useful for making the home buffer the only visible buffer in the frame."
|
||
(interactive)
|
||
(spacemacs/home)
|
||
(delete-other-windows))
|
||
|
||
(provide 'core-spacemacs-buffer)
|
||
|
||
;;; core-spacemacs-buffer ends here
|