rolladeck/contact.scm
Jaidyn Ann ce486ef5f6 Make File→Exit button functional
Lays groundwork for signal callbacks.
2024-02-04 20:54:58 -06:00

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;; Copyright © 2023, Jaidyn Ann <jadedctrl@posteo.at>
;;
;; This program is free software: you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation, either version 3 of
;; the License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
(import (chicken io)
qt-light)
;; Start & run the application.
(define (init)
(let ([qt-app (qt:init)]
[qt-win (create-window)])
(init-window qt-win)
(qt:run)))
;; Create the application window.
(define (create-window)
(qt:widget (window-contents)))
;; Return the UIs XML, read from “contacts.ui”.
;; We could generate this XML ourselves, and write a nice s-expr front-end,
;; maybe… `o`
(define (window-contents)
(call-with-input-file
"contact.ui"
(lambda (in-port) (read-string #f in-port))))
;; Initialize the window.
(define (init-window window)
(window-callbacks window)
(qt:show window))
;; Connect callback functions to widgets signals.
(define (window-callbacks window)
(let ([fileexit (qt:find window "actionQuit")])
(if fileexit
(qt:connect
fileexit "triggered()"
(qt:receiver exit)))))
(init)