Move Elisp to separate file.

3 files changed, 587 insertions, 552 deletions

diff --git a/Makefile b/Makefile
index 7ddfe48..1bb7570 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 VERSION = 0.1.0
 
 SOURCES = \
+  guile-studio.el \
   guile-studio-configure.scm \
   logo.svg \
   Makefile \
diff --git a/guile-studio-configure.scm b/guile-studio-configure.scm
index f337283..f5a2cc8 100644
--- a/guile-studio-configure.scm
+++ b/guile-studio-configure.scm
@@ -1,550 +1,10 @@
-(use-modules (ice-9 pretty-print)
-             (ice-9 match)
+(use-modules (ice-9 match)
              (ice-9 ftw)
+             (ice-9 binary-ports)
+             (rnrs bytevectors)
              (srfi srfi-1)
              (srfi srfi-26))
 
-(define (generate-configuration prefix emacsdir guiledir picture-language emacs-package-dirs)
-  `(progn
-    (let ((guix-emacs.el
-           (expand-file-name
-            ,(string-append emacsdir "/share/emacs/site-lisp/guix-emacs.el"))))
-      (when (file-exists-p guix-emacs.el)
-        (load guix-emacs.el)))
-    (when (require 'guix-emacs nil t)
-      (guix-emacs-autoload-packages))
-
-    (setq-default line-spacing 2)
-    ;; Increase default font size
-    (set-face-attribute 'default nil :height 112)
-
-    (setq-default indent-tabs-mode nil)
-    (tool-bar-mode -1)
-    (menu-bar-mode 1)
-    (scroll-bar-mode -1)
-
-    (setq window-resize-pixelwise t)
-
-    ;; Show only buffers with the same major mode in the same tab line.
-    (require 'tab-line)
-    (setq tab-line-tabs-function 'tab-line-tabs-mode-buffers)
-    (setq tab-line-close-tab-function 'kill-buffer)
-
-    (require 'ivy)
-    (ivy-mode 1)
-    ;; Enter directory when hitting RET
-    (define-key ivy-minibuffer-map (kbd "<return>") 'ivy-alt-done)
-
-    (require 'info)
-    (setq Info-directory-list
-          '(,(string-append prefix "/share/guile-studio/info/")
-            ,(string-append picture-language "/share/info/")
-            ,(string-append guiledir "/share/info/")))
-
-    ;; Use Ctrl-C/X/Z for copy, cut, paste
-    (require 'cua-base)
-    (cua-mode 1)
-    (require 'company)
-    (setq company-idle-delay 0.3)
-    (require 'elec-pair)
-    (electric-pair-mode 1)
-    (require 'scheme)
-    (require 'geiser)
-
-    ;; Add site-ccache directories to %load-compiled-path, and run the
-    ;; init routine.  We don't use geiser-guile-init-file because that
-    ;; would lead to compilation messages in the REPL when Guile
-    ;; Studio is first started.
-    (defun guile-studio--geiser-guile--parameters (params)
-      (append (list "-C" ,(string-append prefix "/lib/guile/3.0/site-ccache/"))
-              ,@(map (lambda (dir) (list 'list "-C" dir))
-                     (string-tokenize (getenv "GUILE_LOAD_COMPILED_PATH")
-                                      (char-set-complement (char-set #\:))))
-              params
-              (list "-e" "(@ (guile-studio-init) guile-studio-init)")))
-    (advice-add 'geiser-guile--parameters
-                :filter-return (function guile-studio--geiser-guile--parameters))
-    (setq geiser-guile-load-path
-          (append ,@(map (lambda (dir) (list 'list "-C" dir))
-                         (string-tokenize (getenv "GUILE_LOAD_PATH")
-                                          (char-set-complement (char-set #\:))))))
-
-    (setq geiser-autodoc-identifier-format "%s → %s")
-    (setq geiser-default-implementation 'guile
-          geiser-active-implementations '(guile)
-          geiser-mode-smart-tab-p t
-
-          initial-major-mode 'scheme-mode
-          inhibit-splash-screen t
-          confirm-kill-processes nil    ; kill Geiser on exit
-          x-select-enable-clipboard t
-          x-select-enable-primary t
-          save-interprogram-paste-before-kill t
-          apropos-do-all t
-          mouse-yank-at-point t
-          require-final-newline t
-          visible-bell nil
-          load-prefer-newer t
-          save-place-file (concat user-emacs-directory "places"))
-
-    (setq ring-bell-function
-          (lambda ()
-            (let ((orig-fg (face-foreground 'mode-line)))
-              (set-face-foreground 'mode-line "#F2804F")
-              (run-with-idle-timer 0.1 nil
-                                   (lambda (fg) (set-face-foreground 'mode-line fg))
-                                   orig-fg))))
-
-    ;; Hide the fact that this is Emacs
-    (modify-frame-parameters nil '((title . "Guile Studio")))
-
-    (defun menu-bar-read-guileref ()
-      "Display the Guile Reference manual in Info mode."
-      (interactive)
-      (info "guile"))
-    (defun menu-bar-read-pictref ()
-      "Display the Picture Language manual in Info mode."
-      (interactive)
-      (info "picture-language"))
-
-    (defun string-display-pixel-width (string)
-      "Calculate pixel width of STRING."
-      (with-temp-buffer
-       (with-silent-modifications
-        (setf (buffer-string) string))
-       (variable-pitch-mode 1)
-       (if (get-buffer-window (current-buffer))
-           (car (window-text-pixel-size nil (line-beginning-position) (point)))
-           (set-window-buffer nil (current-buffer))
-           (car (window-text-pixel-size nil (line-beginning-position) (point))))))
-
-    (defun right-align (string &optional center-p)
-      (let ((right-margin 3))
-        (concat
-         (propertize " " 'display
-			         `(space :align-to
-                             (- ,(if center-p 'center 'right)
-                                (,(+ right-margin (string-display-pixel-width string))))))
-         string)))
-
-    ;; Adapted from fancy-splash-insert
-    (defun guile-studio-splash-insert (&rest args)
-      (let ((current-face nil))
-        (while args
-          (cond ((eq (car args) :face)
-	             (setq args (cdr args) current-face (car args))
-	             (if (functionp current-face)
-		             (setq current-face (funcall current-face))))
-	            ((eq (car args) :link)
-	             (setq args (cdr args))
-	             (let ((spec (car args)))
-	               (if (functionp spec)
-		               (setq spec (funcall spec)))
-	               (insert-button (car spec)
-			                      'face (list 'link current-face)
-			                      'action (cadr spec)
-			                      'help-echo (concat "mouse-2, RET: "
-						                             (or (nth 2 spec)
-						                                 "Follow this link"))
-			                      'follow-link t)))
-	            (t
-                 (insert (propertize (car args) 'face current-face))))
-          (setq args (cdr args)))))
-
-    (defvar about-guile-studio-text
-      `((:face variable-pitch
-         "Welcome to Guile Studio, an Emacs environment to play
-with the "
-         :link ("GNU Guile programming language"
-	            ,(lambda (_button) (browse-url "https://www.gnu.org/software/guile/"))
-	            "Browse https://www.gnu.org/software/guile/")
-         " and its picture language.\n\n"
-
-         :face modus-theme-heading-1 "Manuals\n"
-         :face variable-pitch
-         "  Learn all about Guile "
-         :link (,(right-align "View Guile Manual")
-                ,(lambda (_button) (menu-bar-read-guileref)))
-         "\n"
-         "  How to draw pictures "
-         :link (,(right-align "View Picture Language Manual")
-                ,(lambda (_button) (menu-bar-read-pictref)))
-         "\n\n"
-         :face modus-theme-heading-1 "Common commands\n"
-         :face variable-pitch
-         "  Save " ,(right-align "C-x C-s" t) "\t"
-         "  Help " ,(right-align "C-h") "\n"
-         
-         "  Save as " ,(right-align "C-x C-w" t) "\t"
-         "  Cancel " ,(right-align "C-g") "\n"
-
-         "  Open a new file " ,(right-align "C-x C-f" t) "\t"
-         "  Undo " ,(right-align "C-/") "\n"
-
-         "  Close side window " ,(right-align "q" t) "\t"
-         "  Close buffer " ,(right-align "C-x k") "\n"
-
-         "  Browse directory " ,(right-align "C-x d" t) "\t"
-         "  Quit " ,(right-align "C-x C-c") "\n"
-         "\n"
-         "Access a context-specific menu by right-clicking.\n"
-         "Toggle between dark and light mode with F5."
-         "\n")))
-
-    (defun about-guile-studio ()
-      "Display the Guile Studio about buffer."
-      (interactive)
-      (let ((splash-buffer (get-buffer-create "*Guile Studio*")))
-        (with-current-buffer
-         splash-buffer
-         (let ((inhibit-read-only t))
-           (erase-buffer)
-           (setq default-directory command-line-default-directory)
-           (make-local-variable 'startup-screen-inhibit-startup-screen)
-           (let* ((image-file ,(string-append prefix "/share/logo.svg"))
-	              (img (create-image image-file))
-	              (image-width (and img (car (image-size img))))
-	              (window-width (window-width)))
-             (when img
-               (insert "\n")
-               (when (> window-width image-width)
-                 ;; Center the image in the window.
-	             (insert (propertize " " 'display
-			                         `(space :align-to (+ center (-0.5 . ,img)))))
-
-                 ;; Insert the image with a help-echo and a link.
-	             (make-button (prog1 (point) (insert-image img)) (point)
-		                      'face 'default
-		                      'help-echo "mouse-2, RET: Browse https://www.gnu.org/software/guile"
-		                      'action (lambda (_button) (browse-url "https://www.gnu.org/software/guile"))
-		                      'follow-link t)
-	             (insert "\n\n"))))
-           (dolist (text about-guile-studio-text)
-                   (apply (function guile-studio-splash-insert) text)
-                   (insert "\n")))
-         (use-local-map splash-screen-keymap)
-         (setq buffer-read-only t)
-         (set-buffer-modified-p nil)
-         (if (and view-read-only (not view-mode))
-             (view-mode-enter nil 'kill-buffer))
-         (goto-char (point-min))
-         (forward-line 4))
-        (pop-to-buffer splash-buffer 'display-buffer-in-side-window)))
-
-    ;; Unclutter help menu.
-    (require 'menu-bar)
-    (setq menu-bar-help-menu
-          (let ((menu (make-sparse-keymap "Help")))
-            (bindings--define-key menu (vector 'about-gnu-project)
-                                  '(menu-item "About GNU" describe-gnu-project
-                                              :help "About the GNU System, GNU Project, and GNU/Linux"))
-            (bindings--define-key menu (vector 'about-guile-studio)
-                                  '(menu-item "About Guile Studio" about-guile-studio
-                                              :help "About this program"))
-            (bindings--define-key menu (vector 'sep2)
-                                  menu-bar-separator)
-            (bindings--define-key menu (vector 'other-manuals)
-                                  '(menu-item "All Other Manuals (Info)" Info-directory
-                                              :help "Read any of the installed manuals"))
-            (bindings--define-key menu (vector 'guile-reference)
-                                  '(menu-item "Guile Reference" menu-bar-read-guileref
-                                              :help "Read the Guile Reference manual"))
-            menu))
-    (bindings--define-key global-map (vector 'menu-bar 'help-menu)
-                          (cons (purecopy "Help") menu-bar-help-menu))
-
-    ;; Unclutter File menu
-    (setq menu-bar-file-menu
-          (let ((menu (make-sparse-keymap "File")))
-            (bindings--define-key menu (vector 'exit-emacs)
-                                  '(menu-item "Quit" save-buffers-kill-terminal
-                                              :help "Save unsaved buffers, then exit"))
-            (bindings--define-key menu (vector 'sep-exit)
-                                  menu-bar-separator)
-            (bindings--define-key menu (vector 'revert-buffer)
-                                  '(menu-item "Revert Buffer" revert-buffer
-                                              :enable
-                                              (or
-                                               (not
-                                                (eq revert-buffer-function 'revert-buffer--default))
-                                               (not
-                                                (eq revert-buffer-insert-file-contents-function
-                                                    'revert-buffer-insert-file-contents--default-function))
-                                               (and buffer-file-number
-                                                    (not
-                                                     (verify-visited-file-modtime
-                                                      (current-buffer)))))
-                                              :help "Re-read current buffer from its file"))
-            (bindings--define-key menu (vector 'write-file)
-                                  '(menu-item "Save As..." write-file
-                                              :enable menu-bar-menu-frame-live-and-visible-p
-                                              :help "Write current buffer to another file"))
-            (bindings--define-key menu (vector 'save-buffer)
-                                  '(menu-item "Save" save-buffer :enable
-                                              (and (buffer-modified-p)
-                                                   (buffer-file-name))
-                                              :help "Save current buffer to its file"))
-            (bindings--define-key menu (vector 'sep-save)
-                                  menu-bar-separator)
-            (bindings--define-key menu (vector 'kill-buffer)
-                                  '(menu-item "Close" kill-this-buffer :enable
-                                              (kill-this-buffer-enabled-p)
-                                              :help "Discard (kill) current buffer"))
-
-            (bindings--define-key menu (vector 'dired)
-                                  '(menu-item "Open File..." dired-sidebar-show-sidebar
-                                              :help "Show the directory browser in a side bar"))
-            (bindings--define-key menu (vector 'new-file)
-                                  '(menu-item "New File" (lambda ()
-                                                           (interactive)
-                                                           (select-window
-                                                            (get-window-with-predicate
-                                                             (lambda (window)
-                                                               (window-parameter window 'guile-studio/edit))))
-                                                           (find-file "untitled.scm"))
-                                              :help "Create a new file buffer"))
-            menu))
-    (bindings--define-key global-map (vector 'menu-bar 'file)
-                          (cons (purecopy "File") menu-bar-file-menu))
-
-    ;; Unclutter Edit menu
-    (define-key menu-bar-edit-menu (vector 'goto) nil)
-    (define-key menu-bar-edit-menu (vector 'bookmark) nil)
-    (define-key menu-bar-edit-menu (vector 'separator-bookmark) nil)
-    (define-key menu-bar-edit-menu (vector 'fill) nil)
-    (define-key menu-bar-edit-menu (vector 'props) nil)
-
-    (define-key menu-bar-edit-menu (vector 'replace 'tags-repl) nil)
-    (define-key menu-bar-edit-menu (vector 'replace 'tags-repl-continue) nil)
-    (define-key menu-bar-edit-menu (vector 'search)
-      '(menu-item "Search..." isearch-forward-regexp
-                  :help "Incrementally search for a regular expression"))
-
-    ;; Check syntax on the fly
-    (require 'flycheck)
-    (require 'flycheck-guile)
-    (global-flycheck-mode 1)
-
-    ;; Remember location in buffers
-    (require 'saveplace)
-    (setq-default save-place t)
-
-    ;; Right side window
-    (defvar popup-right-side-windows
-      (rx (or "*Guile Studio*"
-              "*Geiser documentation*"
-              (seq "*Help" (* anychar) "*")
-              "*info*")))
-    (add-to-list 'display-buffer-alist
-                 `(,popup-right-side-windows
-                   (display-buffer-reuse-window
-                    display-buffer-in-side-window)
-                   (inhibit-same-window . t)
-                   (side            . right)
-                   (slot            . 0)
-                   (preserve-size   . (t . t))
-                   (window-width    . 80)
-                   (window-height   . 1.0)))
-
-    ;; Bottom side window
-    (defvar popup-bottom-windows
-      (rx (or "*Flycheck*"
-              "*Flymake*"
-              "*Backtrace*"
-              "*Warnings*"
-              "*Compile-Log*"
-              "*Messages*"
-              (seq (* anychar) "*Completions" (* anychar)))))
-    (add-to-list 'display-buffer-alist
-                 `(,popup-bottom-windows
-                   (display-buffer-reuse-window
-                    display-buffer-in-side-window)
-                   (inhibit-same-window . t)
-                   (side            . bottom)
-                   (slot            . 0)
-                   (preserve-size   . (t . t))
-                   (window-height   . 0.16)))
-
-    (defvar bottom-windows
-      (rx (or (seq "* Guile REPL *" (* anychar))
-              "*Geiser dbg*")))
-    (add-to-list 'display-buffer-alist
-                 `(,bottom-windows
-                   (display-buffer-reuse-window
-                    display-buffer-at-bottom)
-                   (window-height   . 10)))
-
-    (require 'dired-sidebar)
-    (global-set-key (kbd "C-x d") 'dired-sidebar-toggle-sidebar)
-    ;; Delete dired window on "q"
-    (define-key dired-mode-map (kbd "q") 'delete-window)
-    (setq dired-sidebar-one-instance-p t
-          dired-sidebar-close-sidebar-on-file-open t)
-
-    ;; Mode line settings
-    (require 'doom-modeline)
-    (setq doom-modeline-buffer-encoding nil)
-
-    ;; Remove incorrect help echo from buffer name
-    (require 'doom-modeline-segments)
-    (doom-modeline-def-segment buffer-info
-                               (concat
-                                (doom-modeline-spc)
-                                (doom-modeline--buffer-mode-icon)
-                                (doom-modeline--buffer-state-icon)
-                                (propertize "%b" 'face 'doom-modeline-buffer-file)))
-    (doom-modeline-mode 1)
-
-    ;; Stop using the minibuffer when leaving it
-    (defun stop-using-minibuffer ()
-      "kill the minibuffer"
-      (when (and (>= (recursion-depth) 1) (active-minibuffer-window))
-        (abort-recursive-edit)))
-    (add-hook 'mouse-leave-buffer-hook 'stop-using-minibuffer)
-
-    (require 'uniquify)
-    (setq uniquify-buffer-name-style 'forward)
-
-    ;; Add close button for opened buffers.
-    (require 'mouse)
-    (defconst my-mode-line-map
-      (let ((map (make-sparse-keymap)))
-        (define-key map (vector 'mode-line 'mouse-1)
-          'mouse-delete-window)
-        map))
-    (setq global-mode-string 
-          (append global-mode-string 
-                  '(:eval (if (window-dedicated-p (selected-window))
-                              ""
-                              (propertize "[⨯]"
-                                          'local-map my-mode-line-map
-                                          'mouse-face 'mode-line-highlight)))))
-    (global-unset-key (vector 'mode-line 'mouse-2)) ; 'mouse-delete-other-windows
-    (global-unset-key (vector 'mode-line 'mouse-3)) ; 'mouse-delete-window
-
-    ;; Don't switch buffers when clicking on the name.
-    (define-key mode-line-buffer-identification-keymap (vector 'mode-line 'mouse-1) nil)
-    (define-key mode-line-buffer-identification-keymap (vector 'mode-line 'mouse-3) nil)
-
-    ;; Context menu on right click.
-    (defun context-menu ()
-      (let ((menu (make-sparse-keymap)))
-        (pcase major-mode
-          ('geiser-repl-mode
-           (define-key menu (vector 'insert-image)
-             '("Insert image" . geiser--guile-picture-language--pict-from-file))
-           menu)
-          ('scheme-mode
-           (define-key menu (vector 'switch-to-repl)
-             '("Switch to REPL" . switch-to-geiser))
-           (define-key menu (vector 'eval-buffer)
-             '("Evaluate buffer" . geiser-eval-buffer))
-           (define-key menu (vector 'lookup-documentation)
-             '("Show documentation". geiser-doc-symbol-at-point))
-           menu)
-          (t
-           (mouse-menu-major-mode-map)))))
-
-    (global-set-key (vector 'mouse-3)
-                    (lambda (event)
-                      (interactive "e")
-                      (mouse-set-point event)
-                      (popup-menu (context-menu))))
-
-    (defun geiser--guile-picture-language--pict-from-file ()
-      (interactive)
-      (let ((file (read-file-name "Insert image: " nil nil t nil
-                                  (lambda (name)
-                                    (or (string-suffix-p ".svg" name t)
-                                        (string-suffix-p ".png" name t))))))
-        (geiser-repl--send
-         (concat "(pict-from-file \""
-                 file
-                 "\")"))))
-
-    (add-to-list 'initial-frame-alist
-                 '(fullscreen . maximized))
-
-    (add-hook 'emacs-startup-hook
-              (lambda ()
-                (require 'winner)
-                (winner-mode 1)
-                (let ((buf (generate-new-buffer "untitled.scm")))
-                  (with-current-buffer buf
-                    (switch-to-buffer buf nil t)
-                    (set-window-dedicated-p (selected-window) nil)
-                    (set-window-parameter (selected-window) 'guile-studio/edit t)
-                    (funcall (and initial-major-mode))
-                    (insert ";;; Welcome to Guile Studio!\n")
-                    (insert ";;; Type your Guile program here and evaluate it.\n\n")
-                    (setq buffer-offer-save t)
-
-                    (switch-to-geiser)
-                    (set-window-dedicated-p (selected-window) t)
-                    (call-interactively 'about-guile-studio))
-
-                  ;; This is necessary to show the REPL prompt after
-                  ;; displaying the side window.
-                  (pop-to-buffer "* Guile REPL *"))
-
-                ;; Always restore default layout
-                (defvar guile-studio--layout (winner-conf))
-                (define-key global-map (kbd "ESC ESC ESC")
-                  (lambda ()
-                    (interactive)
-                    (keyboard-escape-quit)
-                    (winner-set guile-studio--layout)))
-                (kill-buffer "*scratch*")
-
-                ;; Hide the cluttered Tools and Options menu items
-                (define-key global-map (vector 'menu-bar 'tools) 'undefined)
-                (define-key global-map (vector 'menu-bar 'options) 'undefined)))
-
-    (add-hook 'after-init-hook 'global-company-mode)
-    (add-hook 'geiser-repl-mode-hook
-              (lambda ()
-                (paren-face-mode 1)
-                (show-paren-mode 1)))
-    (add-hook 'scheme-mode-hook
-              (lambda ()
-                (paren-face-mode 1)
-                (show-paren-mode 1)
-                (tab-line-mode 1)
-                (display-line-numbers-mode 1)))
-
-    ;; Don't show the Geiser menu in a Scheme buffer
-    (add-hook 'geiser-mode-hook
-              (lambda ()
-                (define-key geiser-mode-map
-                  (vector 'menu-bar 'geiserm) 'undefined)))
-
-    ;; Color theme
-    (require 'modus-themes)                 ; common code
-    (require 'modus-operandi-theme)         ; light theme
-    (require 'modus-vivendi-theme)          ; dark theme
-    (setq modus-themes-scale-headings t
-          modus-themes-variable-pitch-headings t
-          modus-themes-bold-constructs t
-          modus-themes-links 'no-underline)
-    (defun tweak-theme ()
-      "Increase tab margins."
-      (let ((palette (modus-themes--active-theme)))
-        (set-face-attribute 'tab-line-tab nil
-                            :box `(:line-width 8
-                                   :color ,(cdr (assoc 'bg-tab-active palette))))
-        (set-face-attribute 'tab-line-tab-inactive nil
-                            :box `(:line-width 8
-                                   :color ,(cdr (assoc 'bg-tab-inactive palette))))
-        ;; Remove border around mode line
-        (set-face-attribute 'mode-line nil
-                            :box nil)
-        (set-face-attribute 'mode-line-inactive nil
-                            :box nil)))
-    (add-hook 'modus-themes-after-load-theme-hook 'tweak-theme)
-    (global-set-key (kbd "<f5>") 'modus-themes-toggle)
-    (load-theme 'modus-operandi t)
-    (tweak-theme)))
-
 (define (make-guile-studio-wrapper prefix share emacsdir emacs-package-dirs)
   (let ((wrapper (string-append prefix "/bin/guile-studio")))
     (with-output-to-file wrapper
@@ -559,6 +19,18 @@ exec ~a/bin/emacs -mm --no-site-file --no-site-lisp --no-x-resources --no-init-f
                 emacsdir share)))
     (chmod wrapper #o555)))
 
+(define* (dump-port in out #:key (buffer-size 16384))
+  (define buffer
+    (make-bytevector buffer-size))
+
+  (define (loop bytes)
+    (or (eof-object? bytes)
+        (begin
+          (put-bytevector out buffer 0 bytes)
+          (loop (get-bytevector-n! in buffer 0 buffer-size)))))
+
+  (loop (get-bytevector-n! in buffer 0 buffer-size)))
+
 (define (main)
   (define (info-file? file)
     (or (string-suffix? ".info" file)
@@ -582,15 +54,33 @@ exec ~a/bin/emacs -mm --no-site-file --no-site-lisp --no-x-resources --no-init-f
         (append-map info-files (list picture-language guiledir)))
 
        ;; Generate Emacs startup file
-       (with-output-to-file (string-append share "/guile-studio.el")
-         (lambda ()
-           (pretty-print
-            (generate-configuration prefix
-                                    emacsdir
-                                    guiledir
-                                    picture-language
-                                    emacs-package-dirs)
-            #:display? #f)))
+       (call-with-output-file (string-append share "/guile-studio.el")
+         (lambda (out)
+           ;; Generate global variables at the top.
+           (write `(defvar %guile-studio/guile-load-compiled-path
+                     ',(parse-path (getenv "GUILE_LOAD_COMPILED_PATH")))
+                  out)
+           (write `(defvar %guile-studio/guile-load-path
+                     ',(parse-path (getenv "GUILE_LOAD_PATH")))
+                  out)
+           (write `(defvar %guile-studio/prefix ,prefix) out)
+           (write `(defvar %guile-studio/picture-language ,picture-language) out)
+           (write `(defvar %guile-studio/emacsdir ,emacsdir) out)
+           (write `(defvar %guile-studio/guiledir ,guiledir) out)
+           ;; Paste the contents of guile-studio.el here
+           (call-with-input-file "guile-studio.el"
+             (lambda (in)
+               (dump-port in out)))))
+
+       (setenv "EMACSLOADPATH"
+               (string-join
+                (map (cut string-append <> "/share/emacs/site-lisp")
+                     emacs-package-dirs) ":" 'suffix))
+       (system* "emacs" "--quick" "--batch"
+                (format #f "--eval=~a"
+                        `(progn
+                          (setq byte-compile-debug t)
+                          (byte-compile-file ,(string-append "\"" share "/guile-studio.el\"")))))
 
        ;; CC-BY-SA 4.0 Luis Felipe López Acevedo (aka sirgazil)
        (copy-file "logo.svg"
diff --git a/guile-studio.el b/guile-studio.el
new file mode 100644
index 0000000..5df2c9f
--- /dev/null
+++ b/guile-studio.el
@@ -0,0 +1,544 @@
+;; (defvar %guile-studio/prefix "@PREFIX@")
+;; (defvar %guile-studio/picture-language "@PICTURE_LANGUAGE@")
+;; (defvar %guile-studio/emacsdir "@EMACSDIR@")
+;; (defvar %guile-studio/guiledir "@GUILEDIR@")
+;; (defvar %guile-studio/guile-load-path "@GUILE_LOAD_PATH@")
+;; (defvar %guile-studio/guile-load-compiled-path "@GUILE_LOAD_COMPILED_PATH@")
+
+
+(let ((guix-emacs.el
+       (expand-file-name
+        (concat %guile-studio/emacsdir "/share/emacs/site-lisp/guix-emacs.el"))))
+  (when (file-exists-p guix-emacs.el)
+    (load guix-emacs.el)))
+(when (require 'guix-emacs nil t)
+  (guix-emacs-autoload-packages))
+
+(setq-default line-spacing 2)
+;; Increase default font size
+(set-face-attribute 'default nil :height 112)
+
+(setq-default indent-tabs-mode nil)
+(tool-bar-mode -1)
+(menu-bar-mode 1)
+(scroll-bar-mode -1)
+
+(setq window-resize-pixelwise t)
+
+;; Show only buffers with the same major mode in the same tab line.
+(require 'tab-line)
+(setq tab-line-tabs-function 'tab-line-tabs-mode-buffers)
+(setq tab-line-close-tab-function 'kill-buffer)
+
+(require 'ivy)
+(ivy-mode 1)
+;; Enter directory when hitting RET
+(define-key ivy-minibuffer-map (kbd "<return>") 'ivy-alt-done)
+
+(require 'info)
+(setq Info-directory-list
+      (list (concat %guile-studio/prefix "/share/guile-studio/info/")
+            (concat %guile-studio/picture-language "/share/info/")
+            (concat %guile-studio/guiledir "/share/info/")))
+
+;; Use Ctrl-C/X/Z for copy, cut, paste
+(require 'cua-base)
+(cua-mode 1)
+(require 'company)
+(setq company-idle-delay 0.3)
+(require 'elec-pair)
+(electric-pair-mode 1)
+(require 'scheme)
+(require 'geiser)
+
+;; Add site-ccache directories to %load-compiled-path, and run the
+;; init routine.  We don't use geiser-guile-init-file because that
+;; would lead to compilation messages in the REPL when Guile
+;; Studio is first started.
+(defun guile-studio--geiser-guile--parameters (params)
+  (append (list "-C" (concat %guile-studio/prefix "/lib/guile/3.0/site-ccache/"))
+          (mapcan (lambda (dir) (list "-C" dir))
+                  %guile-studio/guile-load-compiled-path)
+          params
+          (list "-e" "(@ (guile-studio-init) guile-studio-init)")))
+(advice-add 'geiser-guile--parameters
+            :filter-return (function guile-studio--geiser-guile--parameters))
+(setq geiser-guile-load-path
+      (mapcan (lambda (dir) (list "-C" dir))
+              %guile-studio/guile-load-path))
+
+(setq geiser-autodoc-identifier-format "%s → %s")
+(setq geiser-default-implementation 'guile
+      geiser-active-implementations '(guile)
+      geiser-mode-smart-tab-p t
+
+      initial-major-mode 'scheme-mode
+      inhibit-splash-screen t
+      confirm-kill-processes nil      ; kill Geiser on exit
+      x-select-enable-clipboard t
+      x-select-enable-primary t
+      save-interprogram-paste-before-kill t
+      apropos-do-all t
+      mouse-yank-at-point t
+      require-final-newline t
+      visible-bell nil
+      load-prefer-newer t
+      save-place-file (concat user-emacs-directory "places"))
+
+(setq ring-bell-function
+      (lambda ()
+        (let ((orig-fg (face-foreground 'mode-line)))
+          (set-face-foreground 'mode-line "#F2804F")
+          (run-with-idle-timer 0.1 nil
+                               (lambda (fg) (set-face-foreground 'mode-line fg))
+                               orig-fg))))
+
+;; Hide the fact that this is Emacs
+(modify-frame-parameters nil '((title . "Guile Studio")))
+
+(defun menu-bar-read-guileref ()
+  "Display the Guile Reference manual in Info mode."
+  (interactive)
+  (info "guile"))
+(defun menu-bar-read-pictref ()
+  "Display the Picture Language manual in Info mode."
+  (interactive)
+  (info "picture-language"))
+
+(defun string-display-pixel-width (string)
+  "Calculate pixel width of STRING."
+  (with-temp-buffer
+    (with-silent-modifications
+      (setf (buffer-string) string))
+    (variable-pitch-mode 1)
+    (if (get-buffer-window (current-buffer))
+        (car (window-text-pixel-size nil (line-beginning-position) (point)))
+      (set-window-buffer nil (current-buffer))
+      (car (window-text-pixel-size nil (line-beginning-position) (point))))))
+
+(defun right-align (string &optional center-p)
+  (let ((right-margin 3))
+    (concat
+     (propertize " " 'display
+			     `(space :align-to
+                         (- ,(if center-p 'center 'right)
+                            (,(+ right-margin (string-display-pixel-width string))))))
+     string)))
+
+;; Adapted from fancy-splash-insert
+(defun guile-studio-splash-insert (&rest args)
+  (let ((current-face nil))
+    (while args
+      (cond ((eq (car args) :face)
+	         (setq args (cdr args) current-face (car args))
+	         (if (functionp current-face)
+		         (setq current-face (funcall current-face))))
+	        ((eq (car args) :link)
+	         (setq args (cdr args))
+	         (let ((spec (car args)))
+	           (if (functionp spec)
+		           (setq spec (funcall spec)))
+	           (insert-button (car spec)
+			                  'face (list 'link current-face)
+			                  'action (cadr spec)
+			                  'help-echo (concat "mouse-2, RET: "
+						                         (or (nth 2 spec)
+						                             "Follow this link"))
+			                  'follow-link t)))
+	        (t
+             (insert (propertize (car args) 'face current-face))))
+      (setq args (cdr args)))))
+
+(defvar about-guile-studio-text
+  `((:face variable-pitch
+           "Welcome to Guile Studio, an Emacs environment to play
+with the "
+           :link ("GNU Guile programming language"
+	              ,(lambda (_button) (browse-url "https://www.gnu.org/software/guile/"))
+	              "Browse https://www.gnu.org/software/guile/")
+           " and its picture language.\n\n"
+
+           :face modus-theme-heading-1 "Manuals\n"
+           :face variable-pitch
+           "  Learn all about Guile "
+           :link (,(right-align "View Guile Manual")
+                  ,(lambda (_button) (menu-bar-read-guileref)))
+           "\n"
+           "  How to draw pictures "
+           :link (,(right-align "View Picture Language Manual")
+                  ,(lambda (_button) (menu-bar-read-pictref)))
+           "\n\n"
+           :face modus-theme-heading-1 "Common commands\n"
+           :face variable-pitch
+           "  Save " ,(right-align "C-x C-s" t) "\t"
+           "  Help " ,(right-align "C-h") "\n"
+           
+           "  Save as " ,(right-align "C-x C-w" t) "\t"
+           "  Cancel " ,(right-align "C-g") "\n"
+
+           "  Open a new file " ,(right-align "C-x C-f" t) "\t"
+           "  Undo " ,(right-align "C-/") "\n"
+
+           "  Close side window " ,(right-align "q" t) "\t"
+           "  Close buffer " ,(right-align "C-x k") "\n"
+
+           "  Browse directory " ,(right-align "C-x d" t) "\t"
+           "  Quit " ,(right-align "C-x C-c") "\n"
+           "\n"
+           "Access a context-specific menu by right-clicking.\n"
+           "Toggle between dark and light mode with F5."
+           "\n")))
+
+(defun about-guile-studio ()
+  "Display the Guile Studio about buffer."
+  (interactive)
+  (let ((splash-buffer (get-buffer-create "*Guile Studio*")))
+    (with-current-buffer
+        splash-buffer
+      (let ((inhibit-read-only t))
+        (erase-buffer)
+        (setq default-directory command-line-default-directory)
+        (make-local-variable 'startup-screen-inhibit-startup-screen)
+        (let* ((image-file (concat %guile-studio/prefix "/share/logo.svg"))
+	           (img (create-image image-file))
+	           (image-width (and img (car (image-size img))))
+	           (window-width (window-width)))
+          (when img
+            (insert "\n")
+            (when (> window-width image-width)
+              ;; Center the image in the window.
+	          (insert (propertize " " 'display
+			                      `(space :align-to (+ center (-0.5 . ,img)))))
+
+              ;; Insert the image with a help-echo and a link.
+	          (make-button (prog1 (point) (insert-image img)) (point)
+		                   'face 'default
+		                   'help-echo "mouse-2, RET: Browse https://www.gnu.org/software/guile"
+		                   'action (lambda (_button) (browse-url "https://www.gnu.org/software/guile"))
+		                   'follow-link t)
+	          (insert "\n\n"))))
+        (dolist (text about-guile-studio-text)
+          (apply (function guile-studio-splash-insert) text)
+          (insert "\n")))
+      (use-local-map splash-screen-keymap)
+      (setq buffer-read-only t)
+      (set-buffer-modified-p nil)
+      (if (and view-read-only (not view-mode))
+          (view-mode-enter nil 'kill-buffer))
+      (goto-char (point-min))
+      (forward-line 4))
+    (pop-to-buffer splash-buffer 'display-buffer-in-side-window)))
+
+;; Unclutter help menu.
+(require 'menu-bar)
+(setq menu-bar-help-menu
+      (let ((menu (make-sparse-keymap "Help")))
+        (bindings--define-key menu (vector 'about-gnu-project)
+          '(menu-item "About GNU" describe-gnu-project
+                      :help "About the GNU System, GNU Project, and GNU/Linux"))
+        (bindings--define-key menu (vector 'about-guile-studio)
+          '(menu-item "About Guile Studio" about-guile-studio
+                      :help "About this program"))
+        (bindings--define-key menu (vector 'sep2)
+          menu-bar-separator)
+        (bindings--define-key menu (vector 'other-manuals)
+          '(menu-item "All Other Manuals (Info)" Info-directory
+                      :help "Read any of the installed manuals"))
+        (bindings--define-key menu (vector 'guile-reference)
+          '(menu-item "Guile Reference" menu-bar-read-guileref
+                      :help "Read the Guile Reference manual"))
+        menu))
+(bindings--define-key global-map (vector 'menu-bar 'help-menu)
+  (cons (purecopy "Help") menu-bar-help-menu))
+
+;; Unclutter File menu
+(setq menu-bar-file-menu
+      (let ((menu (make-sparse-keymap "File")))
+        (bindings--define-key menu (vector 'exit-emacs)
+          '(menu-item "Quit" save-buffers-kill-terminal
+                      :help "Save unsaved buffers, then exit"))
+        (bindings--define-key menu (vector 'sep-exit)
+          menu-bar-separator)
+        (bindings--define-key menu (vector 'revert-buffer)
+          '(menu-item "Revert Buffer" revert-buffer
+                      :enable
+                      (or
+                       (not
+                        (eq revert-buffer-function 'revert-buffer--default))
+                       (not
+                        (eq revert-buffer-insert-file-contents-function
+                            'revert-buffer-insert-file-contents--default-function))
+                       (and buffer-file-number
+                            (not
+                             (verify-visited-file-modtime
+                              (current-buffer)))))
+                      :help "Re-read current buffer from its file"))
+        (bindings--define-key menu (vector 'write-file)
+          '(menu-item "Save As..." write-file
+                      :enable menu-bar-menu-frame-live-and-visible-p
+                      :help "Write current buffer to another file"))
+        (bindings--define-key menu (vector 'save-buffer)
+          '(menu-item "Save" save-buffer :enable
+                      (and (buffer-modified-p)
+                           (buffer-file-name))
+                      :help "Save current buffer to its file"))
+        (bindings--define-key menu (vector 'sep-save)
+          menu-bar-separator)
+        (bindings--define-key menu (vector 'kill-buffer)
+          '(menu-item "Close" kill-this-buffer :enable
+                      (kill-this-buffer-enabled-p)
+                      :help "Discard (kill) current buffer"))
+
+        (bindings--define-key menu (vector 'dired)
+          '(menu-item "Open File..." dired-sidebar-show-sidebar
+                      :help "Show the directory browser in a side bar"))
+        (bindings--define-key menu (vector 'new-file)
+          '(menu-item "New File" (lambda ()
+                                   (interactive)
+                                   (select-window
+                                    (get-window-with-predicate
+                                     (lambda (window)
+                                       (window-parameter window 'guile-studio/edit))))
+                                   (find-file "untitled.scm"))
+                      :help "Create a new file buffer"))
+        menu))
+(bindings--define-key global-map (vector 'menu-bar 'file)
+  (cons (purecopy "File") menu-bar-file-menu))
+
+;; Unclutter Edit menu
+(define-key menu-bar-edit-menu (vector 'goto) nil)
+(define-key menu-bar-edit-menu (vector 'bookmark) nil)
+(define-key menu-bar-edit-menu (vector 'separator-bookmark) nil)
+(define-key menu-bar-edit-menu (vector 'fill) nil)
+(define-key menu-bar-edit-menu (vector 'props) nil)
+
+(define-key menu-bar-edit-menu (vector 'replace 'tags-repl) nil)
+(define-key menu-bar-edit-menu (vector 'replace 'tags-repl-continue) nil)
+(define-key menu-bar-edit-menu (vector 'search)
+  '(menu-item "Search..." isearch-forward-regexp
+              :help "Incrementally search for a regular expression"))
+
+;; Check syntax on the fly
+(require 'flycheck)
+(require 'flycheck-guile)
+(global-flycheck-mode 1)
+
+;; Remember location in buffers
+(require 'saveplace)
+(setq-default save-place t)
+
+;; Right side window
+(defvar popup-right-side-windows
+  (rx (or "*Guile Studio*"
+          "*Geiser documentation*"
+          (seq "*Help" (* anychar) "*")
+          "*info*")))
+(add-to-list 'display-buffer-alist
+             `(,popup-right-side-windows
+               (display-buffer-reuse-window
+                display-buffer-in-side-window)
+               (inhibit-same-window . t)
+               (side            . right)
+               (slot            . 0)
+               (preserve-size   . (t . t))
+               (window-width    . 80)
+               (window-height   . 1.0)))
+
+;; Bottom side window
+(defvar popup-bottom-windows
+  (rx (or "*Flycheck*"
+          "*Flymake*"
+          "*Backtrace*"
+          "*Warnings*"
+          "*Compile-Log*"
+          "*Messages*"
+          (seq (* anychar) "*Completions" (* anychar)))))
+(add-to-list 'display-buffer-alist
+             `(,popup-bottom-windows
+               (display-buffer-reuse-window
+                display-buffer-in-side-window)
+               (inhibit-same-window . t)
+               (side            . bottom)
+               (slot            . 0)
+               (preserve-size   . (t . t))
+               (window-height   . 0.16)))
+
+(defvar bottom-windows
+  (rx (or (seq "* Guile REPL *" (* anychar))
+          "*Geiser dbg*")))
+(add-to-list 'display-buffer-alist
+             `(,bottom-windows
+               (display-buffer-reuse-window
+                display-buffer-at-bottom)
+               (window-height   . 10)))
+
+(require 'dired-sidebar)
+(global-set-key (kbd "C-x d") 'dired-sidebar-toggle-sidebar)
+;; Delete dired window on "q"
+(define-key dired-mode-map (kbd "q") 'delete-window)
+(setq dired-sidebar-one-instance-p t
+      dired-sidebar-close-sidebar-on-file-open t)
+
+;; Mode line settings
+(require 'doom-modeline)
+(setq doom-modeline-buffer-encoding nil)
+
+;; Remove incorrect help echo from buffer name
+(require 'doom-modeline-segments)
+(doom-modeline-def-segment buffer-info
+  (concat
+   (doom-modeline-spc)
+   (doom-modeline--buffer-mode-icon)
+   (doom-modeline--buffer-state-icon)
+   (propertize "%b" 'face 'doom-modeline-buffer-file)))
+(doom-modeline-mode 1)
+
+;; Stop using the minibuffer when leaving it
+(defun stop-using-minibuffer ()
+  "kill the minibuffer"
+  (when (and (>= (recursion-depth) 1) (active-minibuffer-window))
+    (abort-recursive-edit)))
+(add-hook 'mouse-leave-buffer-hook 'stop-using-minibuffer)
+
+(require 'uniquify)
+(setq uniquify-buffer-name-style 'forward)
+
+;; Add close button for opened buffers.
+(require 'mouse)
+(defconst my-mode-line-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map (vector 'mode-line 'mouse-1)
+      'mouse-delete-window)
+    map))
+(setq global-mode-string 
+      (append global-mode-string 
+              '(:eval (if (window-dedicated-p (selected-window))
+                          ""
+                        (propertize "[⨯]"
+                                    'local-map my-mode-line-map
+                                    'mouse-face 'mode-line-highlight)))))
+(global-unset-key (vector 'mode-line 'mouse-2)) ; 'mouse-delete-other-windows
+(global-unset-key (vector 'mode-line 'mouse-3)) ; 'mouse-delete-window
+
+;; Don't switch buffers when clicking on the name.
+(define-key mode-line-buffer-identification-keymap (vector 'mode-line 'mouse-1) nil)
+(define-key mode-line-buffer-identification-keymap (vector 'mode-line 'mouse-3) nil)
+
+;; Context menu on right click.
+(defun context-menu ()
+  (let ((menu (make-sparse-keymap)))
+    (pcase major-mode
+      ('geiser-repl-mode
+       (define-key menu (vector 'insert-image)
+         '("Insert image" . geiser--guile-picture-language--pict-from-file))
+       menu)
+      ('scheme-mode
+       (define-key menu (vector 'switch-to-repl)
+         '("Switch to REPL" . switch-to-geiser))
+       (define-key menu (vector 'eval-buffer)
+         '("Evaluate buffer" . geiser-eval-buffer))
+       (define-key menu (vector 'lookup-documentation)
+         '("Show documentation". geiser-doc-symbol-at-point))
+       menu)
+      (t
+       (mouse-menu-major-mode-map)))))
+
+(global-set-key (vector 'mouse-3)
+                (lambda (event)
+                  (interactive "e")
+                  (mouse-set-point event)
+                  (popup-menu (context-menu))))
+
+(defun geiser--guile-picture-language--pict-from-file ()
+  (interactive)
+  (let ((file (read-file-name "Insert image: " nil nil t nil
+                              (lambda (name)
+                                (or (string-suffix-p ".svg" name t)
+                                    (string-suffix-p ".png" name t))))))
+    (geiser-repl--send
+     (concat "(pict-from-file \""
+             file
+             "\")"))))
+
+(add-to-list 'initial-frame-alist
+             '(fullscreen . maximized))
+
+(add-hook 'emacs-startup-hook
+          (lambda ()
+            (require 'winner)
+            (winner-mode 1)
+            (let ((buf (generate-new-buffer "untitled.scm")))
+              (with-current-buffer buf
+                (switch-to-buffer buf nil t)
+                (set-window-dedicated-p (selected-window) nil)
+                (set-window-parameter (selected-window) 'guile-studio/edit t)
+                (funcall (and initial-major-mode))
+                (insert ";;; Welcome to Guile Studio!\n")
+                (insert ";;; Type your Guile program here and evaluate it.\n\n")
+                (setq buffer-offer-save t)
+
+                (switch-to-geiser)
+                (set-window-dedicated-p (selected-window) t)
+                (call-interactively 'about-guile-studio))
+
+              ;; This is necessary to show the REPL prompt after
+              ;; displaying the side window.
+              (pop-to-buffer "* Guile REPL *"))
+
+            ;; Always restore default layout
+            (defvar guile-studio--layout (winner-conf))
+            (define-key global-map (kbd "ESC ESC ESC")
+              (lambda ()
+                (interactive)
+                (keyboard-escape-quit)
+                (winner-set guile-studio--layout)))
+            (kill-buffer "*scratch*")
+
+            ;; Hide the cluttered Tools and Options menu items
+            (define-key global-map (vector 'menu-bar 'tools) 'undefined)
+            (define-key global-map (vector 'menu-bar 'options) 'undefined)))
+
+(add-hook 'after-init-hook 'global-company-mode)
+(add-hook 'geiser-repl-mode-hook
+          (lambda ()
+            (paren-face-mode 1)
+            (show-paren-mode 1)))
+(add-hook 'scheme-mode-hook
+          (lambda ()
+            (paren-face-mode 1)
+            (show-paren-mode 1)
+            (tab-line-mode 1)
+            (display-line-numbers-mode 1)))
+
+;; Don't show the Geiser menu in a Scheme buffer
+(add-hook 'geiser-mode-hook
+          (lambda ()
+            (define-key geiser-mode-map
+              (vector 'menu-bar 'geiserm) 'undefined)))
+
+;; Color theme
+(require 'modus-themes)               ; common code
+(require 'modus-operandi-theme)       ; light theme
+(require 'modus-vivendi-theme)        ; dark theme
+(setq modus-themes-scale-headings t
+      modus-themes-variable-pitch-headings t
+      modus-themes-bold-constructs t
+      modus-themes-links 'no-underline)
+(defun tweak-theme ()
+  "Increase tab margins."
+  (let ((palette (modus-themes--active-theme)))
+    (set-face-attribute 'tab-line-tab nil
+                        :box `(:line-width 8
+                                           :color ,(cdr (assoc 'bg-tab-active palette))))
+    (set-face-attribute 'tab-line-tab-inactive nil
+                        :box `(:line-width 8
+                                           :color ,(cdr (assoc 'bg-tab-inactive palette))))
+    ;; Remove border around mode line
+    (set-face-attribute 'mode-line nil
+                        :box nil)
+    (set-face-attribute 'mode-line-inactive nil
+                        :box nil)))
+(add-hook 'modus-themes-after-load-theme-hook 'tweak-theme)
+(global-set-key (kbd "<f5>") 'modus-themes-toggle)
+(load-theme 'modus-operandi t)
+(tweak-theme)