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-rw-r--r--gnu/installer/newt/page.scm78
1 files changed, 51 insertions, 27 deletions
diff --git a/gnu/installer/newt/page.scm b/gnu/installer/newt/page.scm
index 630efde9cc..bff5fae4e6 100644
--- a/gnu/installer/newt/page.scm
+++ b/gnu/installer/newt/page.scm
@@ -1,6 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
-;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2019 Tobias Geerinckx-Rice <me@tobias.gr>
;;;
;;; This file is part of GNU Guix.
@@ -541,6 +541,17 @@ ITEMS when 'Ok' is pressed."
(lambda ()
(destroy-form-and-pop form))))))
+(define* (edit-file file #:key locale)
+ "Spawn an editor for FILE."
+ (clear-screen)
+ (newt-suspend)
+ ;; Use Nano because it syntax-highlights Scheme by default.
+ ;; TODO: Add a menu to choose an editor?
+ (run-shell-command (string-append "/run/current-system/profile/bin/nano "
+ file)
+ #:locale locale)
+ (newt-resume))
+
(define* (run-file-textbox-page #:key
info-text
title
@@ -549,6 +560,8 @@ ITEMS when 'Ok' is pressed."
(file-textbox-width 50)
(file-textbox-height 30)
(exit-button? #t)
+ (edit-button? #f)
+ (editor-locale #f)
(ok-button-callback-procedure
(const #t))
(exit-button-callback-procedure
@@ -557,7 +570,6 @@ ITEMS when 'Ok' is pressed."
(make-reflowed-textbox -1 -1 info-text
info-textbox-width
#:flags FLAG-BORDER))
- (file-text (read-all file))
(file-textbox
(make-textbox -1 -1
file-textbox-width
@@ -565,6 +577,8 @@ ITEMS when 'Ok' is pressed."
(logior FLAG-SCROLL FLAG-BORDER)))
(ok-button (make-button -1 -1 (G_ "OK")))
(exit-button (make-button -1 -1 (G_ "Exit")))
+ (edit-button (and edit-button?
+ (make-button -1 -1 (G_ "Edit"))))
(grid (vertically-stacked-grid
GRID-ELEMENT-COMPONENT info-textbox
GRID-ELEMENT-COMPONENT file-textbox
@@ -572,32 +586,42 @@ ITEMS when 'Ok' is pressed."
(apply
horizontal-stacked-grid
GRID-ELEMENT-COMPONENT ok-button
- `(,@(if exit-button?
+ `(,@(if edit-button?
+ (list GRID-ELEMENT-COMPONENT edit-button)
+ '())
+ ,@(if exit-button?
(list GRID-ELEMENT-COMPONENT exit-button)
'())))))
(form (make-form)))
- (set-textbox-text file-textbox
- (receive (_w _h text)
- (reflow-text file-text
- file-textbox-width
- 0 0)
- text))
- (add-form-to-grid grid form #t)
- (make-wrapped-grid-window grid title)
-
- (receive (exit-reason argument)
- (run-form form)
- (dynamic-wind
- (const #t)
- (lambda ()
- (case exit-reason
- ((exit-component)
- (cond
- ((components=? argument ok-button)
- (ok-button-callback-procedure))
- ((and exit-button?
- (components=? argument exit-button))
- (exit-button-callback-procedure))))))
- (lambda ()
- (destroy-form-and-pop form))))))
+ (let loop ()
+ (set-textbox-text file-textbox
+ (receive (_w _h text)
+ (reflow-text (read-all file)
+ file-textbox-width
+ 0 0)
+ text))
+
+ (add-form-to-grid grid form #t)
+ (make-wrapped-grid-window grid title)
+
+ (receive (exit-reason argument)
+ (run-form form)
+ (dynamic-wind
+ (const #t)
+ (lambda ()
+ (case exit-reason
+ ((exit-component)
+ (cond
+ ((components=? argument ok-button)
+ (ok-button-callback-procedure))
+ ((and exit-button?
+ (components=? argument exit-button))
+ (exit-button-callback-procedure))
+ ((and edit-button?
+ (components=? argument edit-button))
+ (edit-file file))))))
+ (lambda ()
+ (if (components=? argument edit-button)
+ (loop)
+ (destroy-form-and-pop form))))))))