summaryrefslogtreecommitdiff
path: root/dashboard.el
blob: a86981ef10c86c1077cb4c319e0aa965c304197f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
;;; dashboard.el --- My daashboard -*- lexical-binding: t; -*-

;;;###autoload
(defvar dashboard-buffer-name "durand"
  "The name of the buffer for the dashboard.")

;;;###autoload
(defvar dashboard-cat-text
  (list
   "                                      "
   "                       /\\             "
   "                      /  \\            "
   "                     /    =\\=         "
   "                    /  -     \\=-----  "
   "                   /  |.|          /  "
   "                 \\\\    -   -      /   "
   "                  \\\\      |.|    |    "
   "                 / \\\\      -    /     "
   "                /   \\\\         /      "
   "   ||==========|     ========\\=|      "
   "   ||==========| --            |      "
   "               | ||     /====  |      "
   "               == |    /     \\  \\     "
   "                  |   |       \\  \\    "
   "                   ====        ====   ")
  "A clumsy text representation of a cute cat.")

;;;###autoload
(defun dashboard (&optional force)
  "Create the dashboard buffer.
If FORCE is non-nil, re-gerenate the dashboard buffer."
  (interactive)
  (let ((dashboard-exists-p (get-buffer dashboard-buffer-name))
        (dashboard (get-buffer-create dashboard-buffer-name))
        (inhibit-read-only t))
    (cond
     ((and (not force) dashboard-exists-p)
      (switch-to-buffer dashboard))
     (t
      (with-current-buffer dashboard
        (setq buffer-undo-list t)
        (erase-buffer)
        (cond
         ((display-graphic-p)
          (let ((image (create-image (expand-file-name "cat.png" user-emacs-directory))))
            (insert
             (make-string 3 10)
             (center-string-in-width
              (propertize " " 'display image 'rear-nonsticky '(display))
              (round (- (window-body-width)
                        (* (car (image-size image)) 1)))))))
         ((mapc (function
                 (lambda (str)
                   (insert
                    (center-string-in-width str (- (window-body-width) 13))
                    "\n")))
                dashboard-cat-text)))
        (newline 5)
        (insert (center-string-in-width "Dashboard" (window-body-width)))
        (set-buffer-modified-p nil)
        (read-only-mode 1)
        (set 'mode-line-format '("%e" (:eval (modeline-format-dashboard))))
        (set 'default-directory user-emacs-directory)
        (view-mode 1)
        (dashboard-mode))))
    dashboard))

(set 'initial-buffer-choice #'dashboard)

;;; Dedicated major mode

(define-derived-mode dashboard-mode nil "Dashboard"
  "Major mode for the dashboard buffer.
The main purpose is to provide a dedicated keymap to access
common functionalities more conveniently.")

(let ((m dashboard-mode-map))
  (define-key m (vector ?l) #'blist)
  (define-key m (vector ?L) #'rlist-list-registers)
  (define-key m (vector ?b) #'bookmark-jump)
  (define-key m (vector ?B) #'durand-jump-bookmark-new-tab)
  (define-key m (vector ?T) #'modeline-toggle)
  (define-key m (vector ?t) #'durand-view-timers-or-temps)
  (define-key m (vector ?o) #'durand-open-object)
  (define-key m (vector ?g) #'gnus)
  (define-key m (vector ?a) #'dashboard-org-agenda)
  (define-key m (vector ?c) #'dashboard-clear)
  (define-key m (vector ?C) #'dashboard-org-capture)
  (define-key m (vector ?p) #'project-switch-project)
  (define-key m (vector ?x) #'execute-extended-command))

;; load Org if not loaded already

(defmacro dashboard-preload (symbol file-to-load)
  "Define a dispatch function for the symbol."
  (list
   'defun (intern (format "dashboard-%s" (symbol-name symbol)))
   (list (intern "&rest") 'args)
   (format
    "A dispatch function for `%s'.
This function loads \"%s\" if `%s' is not already loaded, and
calls `%s' otherwise."
    (symbol-name symbol)
    file-to-load
    (symbol-name symbol)
    (symbol-name symbol))
   (list 'interactive (list #'list 'current-prefix-arg t))
   (list
    'cond
    (list (list 'not (list #'functionp `(quote ,symbol)))
          (list #'load-config file-to-load))
    (list (list #'funcall `(quote ,symbol) 'args)))))

(dashboard-preload org-agenda "org-conf.el")
(dashboard-preload org-capture "org-conf.el")
(dashboard-preload org-store-link "org-conf.el")

;; ibuffer clear

(defun dashboard-clear ()
  "Run `durand-ibuffer-clear' while in the dashboard."
  (interactive)
  (let ((inhibit-message t))
    (ibuffer)
    (durand-ibuffer-clear)))

;;; Modify killing buffers

;;;###autoload
(defun dont-kill-dashboard-fn ()
  "Don't kill the dashboard buffer."
  (cond
   ((eq (current-buffer) (get-buffer dashboard-buffer-name))
    ;; The function message returns the message, so applying not will
    ;; produce nil as needed.
    ;; "Please don't kill the dashboard buffer"
    (not (message "न निहन्याद्घाटीफलकनिधानकम्")))
   (t)))

(add-hook 'kill-buffer-query-functions 'dont-kill-dashboard-fn)

(provide 'dashboard)
;;; dashboard.el ends here.