Add clipboard functions

2 files changed, 70 insertions, 0 deletions

diff --git a/c_src/esdl2.h b/c_src/esdl2.h
index 970fa6c..80e6406 100644
--- a/c_src/esdl2.h
+++ b/c_src/esdl2.h
@@ -104,6 +104,10 @@
 	F(quit_subsystem, 1) \
 	F(set_main_ready, 0) \
 	F(was_init, 1) \
+	/* sdl_clipboard */ \
+	F(get_clipboard_text, 0) \
+	F(has_clipboard_text, 0) \
+	F(set_clipboard_text, 1) \
 	/* sdl_events */ \
 	F(poll_event, 0) \
 	/* sdl_renderer */ \
diff --git a/c_src/sdl_clipboard.c b/c_src/sdl_clipboard.c
new file mode 100644
index 0000000..14d1a3e
--- /dev/null
+++ b/c_src/sdl_clipboard.c
@@ -0,0 +1,66 @@
+// Copyright (c) 2014, Loïc Hoguin <[email protected]>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+#include "esdl2.h"
+
+// get_clipboard_text
+
+NIF_FUNCTION(get_clipboard_text)
+{
+	char* text;
+	ERL_NIF_TERM term;
+
+	text = SDL_GetClipboardText();
+
+	if (!text)
+		return sdl_error_tuple(env);
+
+	term = enif_make_string(env, text, ERL_NIF_LATIN1);
+
+	SDL_free(text);
+
+	return term;
+}
+
+// has_clipboard_text
+
+NIF_FUNCTION(has_clipboard_text)
+{
+	if (SDL_HasClipboardText())
+		return atom_true;
+
+	return atom_false;
+}
+
+// set_clipboard_text
+
+NIF_FUNCTION(set_clipboard_text)
+{
+	unsigned int len;
+	char* text;
+	int ret;
+
+	BADARG_IF(!enif_get_list_length(env, argv[0], &len));
+	text = (char*)enif_alloc(len + 1);
+	BADARG_IF(!enif_get_string(env, argv[0], text, len + 1, ERL_NIF_LATIN1));
+
+	ret = SDL_SetClipboardText(text);
+
+	enif_free(text);
+
+	if (ret != 0)
+		return sdl_error_tuple(env);
+
+	return atom_ok;
+}