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authorDavid Thompson <dthompson@vistahigherlearning.com>2017-11-10 14:37:37 -0500
committerDavid Thompson <dthompson@vistahigherlearning.com>2017-11-10 14:37:37 -0500
commitd57967f1f614a4426d2323a14c6dcd5c37ee1aa3 (patch)
tree94ef9b03111eee6e15abc02f148cb7a20b513069 /sdl2/clipboard.scm
parentc42c8a8589dff430c07684fb0044295a953cdd4c (diff)
Add clipboard bindings.
* sdl2/bindings.scm (sdl-get-clipboard-text, sdl-set-clipboard-text, sdl-has-clipboard-text): New procedures. * sdl2/clipboard.scm: New file. * Makefile.am (SOURCES): Add it.
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+;;; guile-sdl2 --- FFI bindings for SDL2
+;;; Copyright © 2017 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:
+;;
+;; OS clipboard manipulation.
+;;
+;;; Code:
+
+(define-module (sdl2 clipboard)
+ #:use-module (sdl2)
+ #:use-module ((sdl2 bindings) #:prefix ffi:)
+ #:use-module (system foreign)
+ #:export (clipboard-text?
+ clipboard-text
+ set-clipboard-text!))
+
+(define (clipboard-text?)
+ "Return #t if there is text in the OS clipboard."
+ (= 1 (ffi:sdl-has-clipboard-text)))
+
+(define (clipboard-text)
+ "Return a string containing the text in the OS clipboard."
+ (let ((ret (ffi:sdl-get-clipboard-text)))
+ (if (null-pointer? ret)
+ (sdl-error "clipboard-text" "failed to get clipboard text")
+ (pointer->string ret))))
+
+(define (set-clipboard-text! str)
+ "Put the text in STR into the OS clipboard."
+ (unless (zero? (ffi:sdl-set-clipboard-text (string->pointer str)))
+ (sdl-error "set-clipboard-text!" "failed to set clipboard text")))