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authorDavid Thompson <dthompson@vistahigherlearning.com>2016-12-30 11:19:48 -0500
committerDavid Thompson <dthompson@vistahigherlearning.com>2016-12-30 15:51:58 -0500
commitb833f588b3d9528e7fc650d841ee7a46b6c0ba78 (patch)
treee0a393cca717153abd6bbe0e59505f1901393469 /sdl2/input/text.scm
parent2fb7f399f322122f2d5e5f436673fe386242505e (diff)
Add bindings for text input event handling.
* sdl2/bindings.scm (sdl-start-text-input, sdl-stop-text-input, sdl-is-text-input-active): New procedures. * sdl2/events.scm (<text-input-event>): New record type. (make-text-input-event, text-input-event?, text-input-event-timestamp, text-input-event-window-id, text-input-event-text, parse-text-input-event): New procedures. * sdl2/input/text.scm: New file. * Makefile.am (SOURCES): Add it.
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+;;; guile-sdl2 --- FFI bindings for SDL2
+;;; Copyright © 2016 David Thompson <davet@gnu.org>
+;;;
+;;; This file is part of guile-sdl2.
+;;;
+;;; Guile-sdl2 is free software; you can redistribute it and/or modify
+;;; it under the terms of the GNU Lesser General Public License as
+;;; published by the Free Software Foundation; either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; Guile-sdl2 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 Lesser General Public
+;;; License along with guile-sdl2. If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;
+;; Unicode text input.
+;;
+;;; Code:
+
+(define-module (sdl2 input text)
+ #:use-module (system foreign)
+ #:use-module ((sdl2 bindings) #:prefix ffi:)
+ #:export (start-text-input
+ stop-text-input
+ text-input-active?))
+
+(define (start-text-input)
+ "Enable text input events."
+ (ffi:sdl-start-text-input))
+
+(define (stop-text-input)
+ "Disable text input events."
+ (ffi:sdl-stop-text-input))
+
+(define (text-input-active?)
+ "Return #t if text input events are enabled."
+ (= (ffi:sdl-is-text-input-active) 1))