Remove redundant zoom hydra

It's already available with `text-scale-adjust`, so let's use this.

init.el

@@ -474,7 +474,10 @@ split horizontally again, but this extra work should not matter much."
              db/dired-ediff-files
              db/dired-back-to-top
              db/dired-jump-to-bottom
-             db/dired-get-size)
+             db/dired-get-size
+             hydra-toggle/body
+             hydra-rectangle/body
+             hydra-feature-shortcuts/body)
   :autoload (turn-on-flycheck-when-file
              db/sort-nsm-permanent-settings
              endless/colorize-compilation
@@ -484,14 +487,8 @@ split horizontally again, but this extra work should not matter much."
              db/replace-variables-in-string
              db/grep-read-files
              db/make-selector-from-table-header
-             db/get-library-version))
-
-(use-package db-hydras
-  :commands (hydra-toggle/body
-             hydra-zoom/body
-             hydra-rectangle/body
-             db/define-feature-shortcuts-hydra
-             hydra-feature-shortcuts/body))
+             db/get-library-version
+             db/define-feature-shortcuts-hydra))
 
 (use-package diminish
   :ensure t)
@@ -3116,7 +3113,7 @@ eventuelly be set to nil, however)."
   (bind-key "<f1>" #'db/run-or-hide-eshell)
   (bind-key "<f2>" #'hydra-feature-shortcuts/body)
   (bind-key "<f5>" #'project-find-regexp)
-  (bind-key "<f6>" #'hydra-zoom/body)
+  (bind-key "<f6>" #'text-scale-adjust)
   (bind-key "<f7>" #'dictcc)
   (bind-key "<f9>" #'hydra-org-linking/body)
   (bind-key "<f10>" #'magit-status)

site-lisp/db-hydras.el

@@ -1,84 +0,0 @@
-;;; db-hydras.el --- Personal hydras ' -*- lexical-binding: t -*-
-
-;;; Commentary:
-
-;;; Code:
-
-(autoload 'rectangle-exchange-point-and-mark "rect")
-
-(require 'hydra)
-(require 'db-customize)
-
-(defhydra hydra-toggle (:color blue)
-  "toggle"
-  ("c" column-number-mode "column")
-  ("d" toggle-debug-on-error "debug-on-error")
-  ("e" toggle-debug-on-error "debug-on-error")
-  ("f" auto-fill-mode "auto-fill")
-  ("l" toggle-truncate-lines "truncate lines")
-  ("q" toggle-debug-on-quit "debug-on-quit")
-  ("r" read-only-mode "read-only"))
-
-;; zooming with single keystrokes (from oremacs)
-(defhydra hydra-zoom (:color red
-                      :body-pre (require 'face-remap))
-  ;; the following newline is important, as otherwise the format string is not
-  ;; interpreted correctly; cf. https://oremacs.com/2015/02/23/hydra-0.11.0/
-  "
-Zoom (%`text-scale-mode-amount): "
-  ("g" text-scale-increase "increase")
-  ("l" text-scale-decrease "decrease")
-  ("0" (text-scale-adjust 0) "reset"))
-
-(defhydra hydra-rectangle (:body-pre (rectangle-mark-mode 1)
-                           :color pink
-                           :post (deactivate-mark))
-  "
-  ^_k_^     _d_elete    _s_tring
-_h_   _l_   _o_k        _y_ank
-  ^_j_^     _n_ew-copy  _r_eset
-^^^^        _e_xchange  _u_ndo
-^^^^        ^ ^         _p_aste
-"
-  ("h" backward-char nil)
-  ("l" forward-char nil)
-  ("k" previous-line nil)
-  ("j" next-line nil)
-  ("n" copy-rectangle-as-kill nil)
-  ("d" delete-rectangle nil)
-  ("r" (if (region-active-p)
-           (deactivate-mark)
-         (rectangle-mark-mode 1))
-       nil)
-  ("y" yank-rectangle nil)
-  ("u" undo nil)
-  ("s" string-rectangle nil)
-  ("p" kill-rectangle nil)
-  ("e" rectangle-exchange-point-and-mark nil)
-  ("o" nil nil))
-
-;; The hydra for our frequently used features should be defined here, but should
-;; also be redefined every time `db/frequently-used-features' is redefined via
-;; customize.  To this end, we provide a special function here that defines this
-;; hydra, that can also be called in the setter of
-;; `db/frequently-used-features'.
-
-(defun db/define-feature-shortcuts-hydra ()
-  "Globally define `hydra-feature-shortcuts' for feature shortcuts.
-If instead of a shortcut character nil is provided, no entry in
-the hydra will be generated.  See documentation of
-`db/frequently-used-features' for details."
-  (eval
-   `(defhydra hydra-feature-shortcuts (:color blue)
-      ""
-      ,@(mapcar (lambda (entry)
-                  (pcase-let ((`(,description ,shortcut ,function) entry))
-                    (list (string shortcut) function description)))
-                (cl-remove-if #'(lambda (entry)
-                                  (null (cl-second entry)))
-                              db/frequently-used-features)))))
-
-(db/define-feature-shortcuts-hydra)
-
-(provide 'db-hydras)
-;;; db-hydras.el ends here

site-lisp/db-utils.el

@@ -22,6 +22,7 @@
 (require 's)
 (require 'shr)
 (require 'recentf)
+(require 'hydra)
 
 (autoload 'async-start "async")
 (autoload 'lispy-mode "lispy")
@@ -29,6 +30,7 @@
 (autoload 'find-libary-name "find-func")
 (autoload 'lm-header "lisp-mnt")
 (autoload 'dired-dwim-target-directory "dired-aux")
+(autoload 'rectangle-exchange-point-and-mark "rect")
 
 (declare-function w32-shell-execute "w32fns.c")
 (declare-function org-password-manager-get-password-by-id nil)
@@ -675,6 +677,73 @@ quite sure whether something like this exists already?"
 
 (defalias 'check-git-repos #'db/list-changed-git-repositories) ; old name of former shell script
 
+(defhydra hydra-toggle (:color blue)
+  "toggle"
+  ("c" column-number-mode "column")
+  ("d" toggle-debug-on-error "debug-on-error")
+  ("e" toggle-debug-on-error "debug-on-error")
+  ("f" auto-fill-mode "auto-fill")
+  ("l" toggle-truncate-lines "truncate lines")
+  ("q" toggle-debug-on-quit "debug-on-quit")
+  ("r" read-only-mode "read-only"))
+
+(defvar-keymap zoom-toggle-map
+  :repeat t
+  :doc "Zoom"
+  "g" #'text-scale-increase
+  "l" #'text-scale-decrease
+  "0" #'text-scale-adjust)
+
+(defhydra hydra-rectangle (:body-pre (rectangle-mark-mode 1)
+                                     :color pink
+                                     :post (deactivate-mark))
+  "
+  ^_k_^     _d_elete    _s_tring
+_h_   _l_   _o_k        _y_ank
+  ^_j_^     _n_ew-copy  _r_eset
+^^^^        _e_xchange  _u_ndo
+^^^^        ^ ^         _p_aste
+"
+  ("h" backward-char nil)
+  ("l" forward-char nil)
+  ("k" previous-line nil)
+  ("j" next-line nil)
+  ("n" copy-rectangle-as-kill nil)
+  ("d" delete-rectangle nil)
+  ("r" (if (region-active-p)
+           (deactivate-mark)
+         (rectangle-mark-mode 1))
+   nil)
+  ("y" yank-rectangle nil)
+  ("u" undo nil)
+  ("s" string-rectangle nil)
+  ("p" kill-rectangle nil)
+  ("e" rectangle-exchange-point-and-mark nil)
+  ("o" nil nil))
+
+;; The hydra for our frequently used features should be defined here, but should
+;; also be redefined every time `db/frequently-used-features' is redefined via
+;; customize.  To this end, we provide a special function here that defines this
+;; hydra, that can also be called in the setter of
+;; `db/frequently-used-features'.
+
+(defun db/define-feature-shortcuts-hydra ()
+  "Globally define `hydra-feature-shortcuts' for feature shortcuts.
+If instead of a shortcut character nil is provided, no entry in
+the hydra will be generated.  See documentation of
+`db/frequently-used-features' for details."
+  (eval
+   `(defhydra hydra-feature-shortcuts (:color blue)
+      ""
+      ,@(mapcar (lambda (entry)
+                  (pcase-let ((`(,description ,shortcut ,function) entry))
+                    (list (string shortcut) function description)))
+                (cl-remove-if #'(lambda (entry)
+                                  (null (cl-second entry)))
+                              db/frequently-used-features)))))
+
+(db/define-feature-shortcuts-hydra)
+
 
 ;;; Base45 Decoding