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.

1 files changed, 43 insertions, 0 deletions

diff --git a/sdl2/input/text.scm b/sdl2/input/text.scm
new file mode 100644
index 0000000..ea441d5
--- /dev/null
+++ b/sdl2/input/text.scm
@@ -0,0 +1,43 @@
+;;; 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))