diff options
Diffstat (limited to 'gnu/installer/newt/page.scm')
| -rw-r--r-- | gnu/installer/newt/page.scm | 76 |
1 files changed, 63 insertions, 13 deletions
diff --git a/gnu/installer/newt/page.scm b/gnu/installer/newt/page.scm index 23fbfcce76..3173d54737 100644 --- a/gnu/installer/newt/page.scm +++ b/gnu/installer/newt/page.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com> +;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -20,6 +21,7 @@ #:use-module (gnu installer utils) #:use-module (gnu installer newt utils) #:use-module (guix i18n) + #:use-module (ice-9 i18n) #:use-module (ice-9 match) #:use-module (ice-9 receive) #:use-module (srfi srfi-1) @@ -29,6 +31,7 @@ draw-connecting-page run-input-page run-error-page + run-confirmation-page run-listbox-selection-page run-scale-page run-checkbox-tree-page @@ -72,17 +75,20 @@ this page to TITLE." #:key (allow-empty-input? #f) (default-text #f) - (input-field-width 40)) + (input-field-width 40) + (input-flags 0)) "Run a page to prompt user for an input. The given TEXT will be displayed above the input field. The page title is set to TITLE. Unless allow-empty-input? is set to #t, an error page will be displayed if the user -enters an empty input." +enters an empty input. INPUT-FLAGS is a bitwise-or'd set of flags for the +input box, such as FLAG-PASSWORD." (let* ((text-box (make-reflowed-textbox -1 -1 text input-field-width #:flags FLAG-BORDER)) (grid (make-grid 1 3)) - (input-entry (make-entry -1 -1 20)) + (input-entry (make-entry -1 -1 20 + #:flags input-flags)) (ok-button (make-button -1 -1 (G_ "OK"))) (form (make-form))) @@ -141,6 +147,42 @@ of the page is set to TITLE." (newt-set-color COLORSET-ROOT "white" "blue") (destroy-form-and-pop form))) +(define* (run-confirmation-page text title + #:key (exit-button-procedure (const #f))) + "Run a page to inform the user of an error. The page contains the given TEXT +to explain the error and an \"OK\" button to acknowledge the error. The title +of the page is set to TITLE." + (let* ((text-box + (make-reflowed-textbox -1 -1 text 40 + #:flags FLAG-BORDER)) + (ok-button (make-button -1 -1 (G_ "Continue"))) + (exit-button (make-button -1 -1 (G_ "Exit"))) + (grid (vertically-stacked-grid + GRID-ELEMENT-COMPONENT text-box + GRID-ELEMENT-SUBGRID + (horizontal-stacked-grid + GRID-ELEMENT-COMPONENT ok-button + GRID-ELEMENT-COMPONENT exit-button))) + (form (make-form))) + + (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) + #t) + ((components=? argument exit-button) + (exit-button-procedure)))))) + (lambda () + (destroy-form-and-pop form)))))) + (define* (run-listbox-selection-page #:key info-text title @@ -185,7 +227,7 @@ be selected (using the <SPACE> key). It that case, a list containing the selected items will be returned. If SORT-LISTBOX-ITEMS? is set to #t, the listbox items are sorted using -'string<=' procedure (after being converted to text). +'string-locale<?' procedure (after being converted to text). If ALLOW-DELETE? is #t, the form will return if the <DELETE> key is pressed, otherwise nothing will happen. @@ -211,7 +253,7 @@ ITEM was inserted into LISTBOX." items)) (define (sort-listbox-items listbox-items) - "Return LISTBOX-ITEMS sorted using the 'string<=' procedure on the text + "Return LISTBOX-ITEMS sorted using the 'string-locale<?' procedure on the text corresponding to each item in the list." (let* ((items (map (lambda (item) (cons item (listbox-item->text item))) @@ -220,7 +262,7 @@ corresponding to each item in the list." (sort items (lambda (a b) (let ((text-a (cdr a)) (text-b (cdr b))) - (string<= text-a text-b)))))) + (string-locale<? text-a text-b)))))) (map car sorted-items))) ;; Store the last selected listbox item's key. @@ -395,10 +437,14 @@ error is raised if the MAX-SCALE-UPDATE limit is reached." (lambda () (destroy-form-and-pop form))))) +(define %none-selected + (circular-list #f)) + (define* (run-checkbox-tree-page #:key info-text title items + (selection %none-selected) item->text (info-textbox-width 50) (checkbox-tree-height 10) @@ -411,7 +457,8 @@ a checkbox list. The page contains vertically stacked from the top to the bottom, an informative text set to INFO-TEXT, the checkbox list and two buttons, 'Ok' and 'Exit'. The page title's is set to TITLE. ITEMS are converted to text using ITEM->TEXT before being displayed in the checkbox -list. +list. SELECTION is a list of Booleans of the same length as ITEMS that +specifies which items are initially checked. INFO-TEXTBOX-WIDTH is the width of the textbox where INFO-TEXT will be displayed. CHECKBOX-TREE-HEIGHT is the height of the checkbox list. @@ -423,12 +470,15 @@ pressed. This procedure returns the list of checked items in the checkbox list among ITEMS when 'Ok' is pressed." (define (fill-checkbox-tree checkbox-tree items) - (map - (lambda (item) - (let* ((item-text (item->text item)) - (key (add-entry-to-checkboxtree checkbox-tree item-text 0))) - (cons key item))) - items)) + (map (lambda (item selected?) + (let* ((item-text (item->text item)) + (key (add-entry-to-checkboxtree checkbox-tree item-text + (if selected? + FLAG-SELECTED + 0)))) + (cons key item))) + items + selection)) (let* ((checkbox-tree (make-checkboxtree -1 -1 |