[emacs] some convenience bindings
[~bandali/configs] / init.org
index c301f19..85d5709 100644 (file)
--- a/init.org
+++ b/init.org
@@ -319,6 +319,14 @@ in my shell.
   (exec-path-from-shell-copy-env "SSH_AUTH_SOCK"))
 #+end_src
 
+** Only one custom theme at a time
+
+#+begin_src emacs-lisp
+(defadvice load-theme (before clear-previous-themes activate)
+  "Clear existing theme settings instead of layering them"
+  (mapc #'disable-theme custom-enabled-themes))
+#+end_src
+
 ** Server
 
 Start server if not already running. Alternatively, can be done by
@@ -372,6 +380,48 @@ Font stack with better unicode support, around =Ubuntu Mono= and
    'prepend))
 #+end_src
 
+** Libraries
+
+#+begin_src emacs-lisp
+(require 'cl-lib)
+(require 'subr-x)
+#+end_src
+
+** Useful utilities
+
+#+begin_src emacs-lisp
+(defun ab-enlist (exp)
+  "Return EXP wrapped in a list, or as-is if already a list."
+(if (listp exp) exp (list exp)))
+
+; from https://github.com/hlissner/doom-emacs/commit/589108fdb270f24a98ba6209f6955fe41530b3ef
+(defmacro after! (features &rest body)
+  "A smart wrapper around `with-eval-after-load'. Supresses warnings during
+compilation."
+  (declare (indent defun) (debug t))
+  (list (if (or (not (bound-and-true-p byte-compile-current-file))
+                (dolist (next (ab-enlist features))
+                  (if (symbolp next)
+                      (require next nil :no-error)
+                    (load next :no-message :no-error))))
+            #'progn
+          #'with-no-warnings)
+        (cond ((symbolp features)
+               `(eval-after-load ',features '(progn ,@body)))
+              ((and (consp features)
+                    (memq (car features) '(:or :any)))
+               `(progn
+                  ,@(cl-loop for next in (cdr features)
+                             collect `(after! ,next ,@body))))
+              ((and (consp features)
+                    (memq (car features) '(:and :all)))
+               (dolist (next (cdr features))
+                 (setq body `(after! ,next ,@body)))
+               body)
+              ((listp features)
+              `(after! (:all ,@features) ,@body)))))
+#+end_src
+
 * Core
 :PROPERTIES:
 :CUSTOM_ID: core
@@ -532,12 +582,61 @@ customizing it.
             'auto-compile-inhibit-compile-detached-git-head))
 #+end_src
 
-*** TODO [[https://github.com/Kungsgeten/ryo-modal][ryo-modal]]
+*** [[https://github.com/noctuid/general.el][general]]
 
 #+begin_quote
 Roll your own modal mode
 #+end_quote
 
+#+begin_src emacs-lisp
+(use-package general
+  :demand t
+  :config
+  (general-evil-setup t)
+
+  (general-override-mode)
+
+  (general-create-definer
+    ab--mode-leader-keys
+    :keymaps 'override
+    :states '(emacs normal visual motion insert)
+    :non-normal-prefix "C-,"
+    :prefix ",")
+
+  (general-create-definer
+    ab--leader-keys
+    :keymaps 'override
+    :states '(emacs normal visual motion insert)
+    :non-normal-prefix "M-m"
+    :prefix "SPC"))
+#+end_src
+
+*** evil
+
+#+begin_src emacs-lisp
+(use-package evil
+  :demand t
+  :hook (view-mode . evil-motion-state)
+  :config (evil-mode 1))
+#+end_src
+
+#+begin_src emacs-lisp
+(use-package evil-escape
+  :demand t
+  :init
+  (setq evil-escape-excluded-states '(normal visual multiedit emacs motion)
+        evil-escape-excluded-major-modes '(neotree-mode)
+        evil-escape-key-sequence "jk"
+        evil-escape-delay 0.25)
+  :general
+  (:states '(insert replace visual operator)
+    "C-g" #'evil-escape)
+  :config
+  (evil-escape-mode 1)
+  ;; no `evil-escape' in minibuffer
+  (push #'minibufferp evil-escape-inhibit-functions))
+#+end_src
+
 *** [[https://github.com/ch11ng/exwm][EXWM]] (window manager)
 
 #+begin_src emacs-lisp :tangle no
@@ -777,7 +876,11 @@ In short, my favourite way of life.
 #+begin_src emacs-lisp
 (setq org-src-tab-acts-natively t
       org-src-preserve-indentation nil
-      org-edit-src-content-indentation 0)
+      org-edit-src-content-indentation 0
+      org-html-doctype "html5"
+      org-html-html5-fancy t)
+(add-hook 'org-mode-hook 'org-indent-mode)
+(use-package htmlize)
 #+end_src
 
 *** [[https://magit.vc/][Magit]]
@@ -790,6 +893,7 @@ Not just how I do git, but /the/ way to do git.
 
 #+begin_src emacs-lisp
 (use-package magit
+  :general (ab--leader-keys "g s" 'magit-status)
   :defer t
   :bind (("s-g"     . magit-status)
         ("C-x g"   . magit-status)
@@ -814,6 +918,7 @@ There's no way I could top that, so I won't attempt to.
 
 #+begin_src emacs-lisp
 (use-package ivy
+  :defer 1
   :bind
   (:map ivy-minibuffer-map
         ([escape] . keyboard-escape-quit)
@@ -831,6 +936,7 @@ There's no way I could top that, so I won't attempt to.
 
 #+begin_src emacs-lisp
 (use-package swiper
+  :general (:states 'normal "/" 'swiper)
   :bind (([remap isearch-forward]  . swiper)
         ([remap isearch-backward] . swiper)))
 #+end_src
@@ -840,6 +946,10 @@ There's no way I could top that, so I won't attempt to.
 #+begin_src emacs-lisp
 (use-package counsel
   :defer 1
+  :general (ab--leader-keys
+    "f r" 'counsel-recentf
+    "SPC" 'counsel-M-x
+    "."   'counsel-find-file)
   :bind (([remap execute-extended-command] . counsel-M-x)
          ([remap find-file] . counsel-find-file)
          ("s-r"     . counsel-recentf)
@@ -931,6 +1041,36 @@ TODO: break this giant source block down into individual org sections.
   (setq undo-tree-mode-lighter ""))
 #+end_src
 
+* Editing
+
+** Company
+
+#+begin_src emacs-lisp
+(use-package company
+  :defer 5
+  :bind
+  (:map company-active-map
+       ([tab] . company-complete-common-or-cycle))
+  :custom
+  (company-idle-delay 0.3)
+  (company-minimum-prefix-length 1)
+  (company-selection-wrap-around t)
+  (company-dabbrev-char-regexp "\\sw\\|\\s_\\|[-_]")
+  :config
+  (global-company-mode t))
+#+end_src
+
+** Customizations
+
+#+begin_src emacs-lisp
+(ab--leader-keys
+  "b s" 'save-buffer
+  "b b" 'ivy-switch-buffer
+  ","   'ivy-switch-buffer
+  "b k" 'kill-this-buffer
+  "q q" 'evil-save-and-quit)
+#+end_src
+
 * Syntax and spell checking
 #+begin_src emacs-lisp
 (use-package flycheck
@@ -1150,6 +1290,154 @@ Emacs package that displays available keybindings in popup
   :defer 1
   :config (which-key-mode))
 #+end_src
+* Email
+** notmuch
+
+#+begin_src emacs-lisp
+(defun ab/notmuch ()
+  "Delete other windows, then launch `notmuch'."
+  (interactive)
+  (require 'notmuch)
+  (delete-other-windows)
+  (notmuch))
+
+;; (ab--leader-keys
+;;   "m"   'ab/notmuch
+;;   "s"   'save-buffer
+;;   "SPC" 'counsel-M-x)
+
+;; (map!
+;;  :leader
+;;  :desc "notmuch" :n "m" #'ab/notmuch
+;;  (:desc "search" :prefix "/"
+;;    :desc "notmuch" :n "m" #'counsel-notmuch))
+#+end_src
+
+#+begin_src emacs-lisp
+(defvar ab-maildir "~/mail")
+
+(use-package sendmail
+  ;; :ensure nil
+  :config
+  (setq sendmail-program "/usr/bin/msmtp"
+        mail-specify-envelope-from t
+        mail-envelope-from 'header))
+
+(use-package message
+  ;; :ensure nil
+  :config
+  (setq message-kill-buffer-on-exit t
+        message-send-mail-function 'message-send-mail-with-sendmail
+        message-sendmail-envelope-from 'header
+        message-directory "drafts"
+        message-user-fqdn "fencepost.gnu.org")
+  (add-hook 'message-mode-hook
+            (lambda () (setq fill-column 65
+                        message-fill-column 65)))
+  (add-hook 'message-mode-hook
+            #'flyspell-mode)
+  ;; (add-hook 'notmuch-message-mode-hook #'+doom-modeline|set-special-modeline)
+  ;; TODO: is there a way to only run this when replying and not composing?
+  (add-hook 'notmuch-message-mode-hook
+            (lambda () (progn
+                    (newline)
+                    (newline)
+                    (forward-line -1)
+                    (forward-line -1))))
+  ;; (add-hook 'message-setup-hook
+  ;;           #'mml-secure-message-sign-pgpmime)
+  )
+
+(after! mml-sec
+  (setq mml-secure-openpgp-encrypt-to-self t
+        mml-secure-openpgp-sign-with-sender t))
+
+(use-package notmuch
+  :general (ab--leader-keys "m" 'ab/notmuch)
+  :config
+  (setq notmuch-hello-sections
+        '(notmuch-hello-insert-header
+          notmuch-hello-insert-saved-searches
+          ;; notmuch-hello-insert-search
+          notmuch-hello-insert-alltags)
+        notmuch-search-oldest-first nil
+        notmuch-show-all-tags-list t
+        notmuch-hello-thousands-separator ","
+        notmuch-fcc-dirs
+        '(("amin@aminb.org"            . "amin/Sent")
+          ("abandali@uwaterloo.ca"     . "\"uwaterloo/Sent Items\"")
+          ("amin.bandali@uwaterloo.ca" . "\"uwaterloo/Sent Items\"")
+          ("aminb@gnu.org"             . "gnu/Sent")
+          (".*"                        . "sent")))
+  ;; (add-hook 'visual-fill-column-mode-hook
+  ;;           (lambda ()
+  ;;             (when (string= major-mode 'notmuch-message-mode)
+  ;;               (setq visual-fill-column-width 70))))
+  ;; (set! :evil-state 'notmuch-message-mode 'insert)
+  ;; (advice-add #'notmuch-bury-or-kill-this-buffer
+  ;;             :override #'kill-this-buffer)
+  :bind
+  (:map notmuch-hello-mode-map
+       ("g" . notmuch-poll-and-refresh-this-buffer)
+       ("i" . (lambda ()
+                "Search for `inbox' tagged messages"
+                (interactive)
+                (notmuch-hello-search "tag:inbox")))
+       ("u" . (lambda ()
+                "Search for `unread' tagged messages"
+                (interactive)
+                (notmuch-hello-search "tag:unread")))
+       ("M" . (lambda ()
+                "Compose new mail and prompt for sender"
+                (interactive)
+                (let ((current-prefix-arg t))
+                  (call-interactively #'notmuch-mua-new-mail)))))
+  (:map notmuch-search-mode-map
+       ("g" . notmuch-poll-and-refresh-this-buffer)
+       ("k" . (lambda ()
+                "Mark message read"
+                (interactive)
+                (notmuch-search-tag '("-unread"))
+                ;; (notmuch-search-archive-thread)
+                (notmuch-search-next-thread)))
+       ("u" . (lambda ()
+                "Mark message unread"
+                (interactive)
+                (notmuch-search-tag '("+unread"))
+                (notmuch-search-next-thread)))
+       ("K" . (lambda ()
+                "Mark message deleted"
+                (interactive)
+                (notmuch-search-tag '("-unread" "-inbox" "+deleted"))
+                (notmuch-search-archive-thread)))
+       ("S" . (lambda ()
+                "Mark message as spam"
+                (interactive)
+                (notmuch-search-tag '("-unread" "-inbox" "-webmasters" "+spam"))
+                (notmuch-search-archive-thread))))
+  (:map notmuch-tree-mode-map  ; TODO: additional bindings
+       ("S" . (lambda ()
+                "Mark message as spam"
+                (interactive)
+                (notmuch-tree-tag '("-unread" "-inbox" "-webmasters" "+spam"))
+                (notmuch-tree-archive-thread))))
+)
+
+;; (use-package counsel-notmuch
+;;   :commands counsel-notmuch)
+
+(after! notmuch-crypto
+  (setq notmuch-crypto-process-mime t))
+
+;; (after! evil
+;;   (mapc (lambda (str) (evil-set-initial-state (car str) (cdr str)))
+;;         '((notmuch-hello-mode . emacs)
+;;           (notmuch-search-mode . emacs)
+;;           (notmuch-tree-mode . emacs))))
+
+(after! recentf
+  (add-to-list 'recentf-exclude (expand-file-name ab-maildir)))
+#+end_src
 
 * Post initialization
 :PROPERTIES: