Fix setting completion-at-point-functions

Set certain theme elements (e.g. base16 theme and nerd-icons) to only
configure if running in GUI mode

Fix enabling corfu mode

init.el

@@ -233,6 +233,7 @@
   (advice-add command :after #'pulse-line))
 
 (use-package base16-theme
+  :if (display-graphic-p)
   :custom
   (base16-theme-distinct-fringe-background nil)
   (base16-theme-highlight-mode-line 'contrast)
@@ -242,24 +243,25 @@
 (use-package nerd-icons
   :functions (nerd-icons-set-font
               nerd-icons-octicon)
+  :if (display-graphic-p)
   :config
   (nerd-icons-set-font "Symbols Nerd Font Mono-12"))
 
 (use-package nerd-icons-dired
   :diminish
-  :after nerd-icons
+  :requires nerd-icons
   :hook (dired-mode))
 
 (use-package nerd-icons-ibuffer
   :diminish
-  :after nerd-icons
+  :requires nerd-icons
   :hook (ibuffer-mode))
 
 (use-package nerd-icons-completion
   :diminish
   :functions nerd-icons-completion-mode
-  :after nerd-icons
-  :config (nerd-icons-completion-mode +1))
+  :requires nerd-icons
+  :hook (after-init . (lambda () (nerd-icons-completion-mode +1))))
 
 (use-package nerd-icons-corfu
   :diminish
@@ -671,11 +673,12 @@
 
 (use-package vertico
   :functions vertico-mode
+  :hook (after-init . (lambda () (vertico-mode +1)))
   :custom
   (vertico-cycle t)
-  :config
-  (vertico-mode +1)
-  (require 'vertico-directory))
+  (require 'vertico-directory)
+  (require 'marginalia)
+  (require 'orderless))
 
 (use-package marginalia
   :functions marginalia-mode
@@ -696,36 +699,37 @@
 (use-package corfu
   :defines (corfu-map
             corfu-mode-map)
-  :functions (global-corfu-mode
+  :functions (corfu-mode
+              global-corfu-mode
               corfu-history-mode)
+  :hook (minibuffer-setup . (lambda ()
+                              "Enable `corfu-mode' for `M-:' and `M-!'."
+                              (when (local-variable-p 'completion-at-point-functions)
+                                (corfu-mode +1))))
   :bind ( :map corfu-map
           ("M-SPC" . corfu-insert-separator)
           ("RET" . nil)
           ("TAB" . corfu-insert)
           ([tab] . corfu-insert))
+  :init
+  (global-corfu-mode +1)
   :custom
   (corfu-cycle t)
   (corfu-auto nil)
-  (corfu-quit-no-match 'separator)
-  (corfu-quit-at-boundary 'separator)
-  (corfu-preview-current 'insert)
-  (corfu-preselect 'directory)
   :config
   (require 'corfu-popupinfo)
-  (require 'corfu-terminal)
-  (defun my/local-corfu-no-auto () (setq-local corfu-auto nil))
-  (with-eval-after-load 'eshell (add-hook 'eshell-mode-hook 'my/local-corfu-no-auto))
-  (with-eval-after-load 'shell (add-hook 'shell-mode-hook 'my/local-corfu-no-auto))
-  (with-eval-after-load 'gud (add-hook 'gud-mode-hook 'my/local-corfu-no-auto))
-  (global-corfu-mode +1))
+  (require 'corfu-terminal))
 
 (use-package corfu-popupinfo
   :requires corfu
+  :defines corfu-popupinfo-map
   :functions corfu-popupinfo-mode
-  :bind ( :map corfu-mode-map
-          ("M-d" . corfu-popupinfo-toggle)
-          ("M-n" . corfu-popupinfo-scroll-up)
-          ("M-p" . corfu-popupinfo-scroll-down))
+  :hook (corfu-mode . (lambda () (corfu-popupinfo-mode +1)))
+  ;; :bind ( :map corfu-mode-map
+  ;;         ("M-d" . corfu-popupinfo-toggle)
+  ;;         :map corfu-popupinfo-map
+  ;;         ("M-n" . corfu-popupinfo-scroll-up)
+  ;;         ("M-p" . corfu-popupinfo-scroll-down))
   :custom
   (corfu-popupinfo-delay 0.3)
   :config
@@ -734,15 +738,21 @@
 (use-package corfu-terminal
   :requires corfu
   :functions corfu-terminal-mode
-  :config
-  (corfu-terminal-mode +1))
+  :if (not (display-graphic-p))
+  :custom
+  (corfu-terminal-mode t))
 
 (use-package cape
   :after corfu
+  :functions (cape-emoji
+              cape-file
+              cape-dabbrev)
+  :hook ((conf-mode prog-mode text-mode) . (lambda ()
+                                             (dolist (cape-fn '(cape-dabbrev
+                                                                cape-file
+                                                                cape-emoji))
+                                               (add-hook 'completion-at-point-functions cape-fn nil t))))
   :custom
-  (add-to-list 'completion-at-point-functions #'cape-emoji)
-  (add-to-list 'completion-at-point-functions #'cape-file)
-  (add-to-list 'completion-at-point-functions #'cape-dabbrev)
   (cape-dabbrev-min-length (+ corfu-auto-prefix 1)))
 
 (use-package consult
@@ -781,34 +791,13 @@
 (use-package tempel
   :defines tempel-path
   :functions (tempel-expand
-              tempel-abbrev-mode
-              global-tempel-abbrev-mode)
+              tempel-abbrev-mode)
   :bind (("M-+" . tempel-complete)
          ("M-*" . tempel-insert))
+  :hook ((conf-mode prog-mode text-mode) . (lambda ()
+                                             (add-hook 'completion-at-point-functions 'tempel-complete nil t)))
   :custom
-  (tempel-trigger-prefix "<")
-  :init
-  (defun tempel-setup-capf ()
-    "Add the Tempel Capf to `completion-at-point-functions'.
-
-`tempel-expand' only triggers on exact matches. Alternatively use
-`tempel-complete' if you want to see all matches, but then you
-should also configure `tempel-trigger-prefix', such that Tempel
-does not trigger too often when you don't expect it. NOTE: We add
-`tempel-expand' *before* the main programming mode Capf,such that
-it will be tried first."
-    (setq-local completion-at-point-functions
-                (cons #'tempel-expand
-                      completion-at-point-functions)))
-
-  (add-hook 'conf-mode-hook 'tempel-setup-capf)
-  (add-hook 'prog-mode-hook 'tempel-setup-capf)
-  (add-hook 'text-mode-hook 'tempel-setup-capf)
-
-  ;; Optionally make the Tempel templates available to Abbrev,
-  ;; either locally or globally. `expand-abbrev' is bound to C-x '.
-  (add-hook 'prog-mode-hook #'tempel-abbrev-mode)
-  (global-tempel-abbrev-mode))
+  (tempel-trigger-prefix "<"))
 
 (require 'tramp)
 (setq org-publish-project-alist