ncurses 5.6 - patch 20070908

[ncurses.git] / ncurses / tinfo / use_screen.c

diff --git a/ncurses/tinfo/use_screen.c b/ncurses/tinfo/use_screen.c
new file mode 100644 (file)
index 0000000..1037e0b
--- /dev/null
+++ b/ncurses/tinfo/use_screen.c
@@ -0,0 +1,60 @@
+/****************************************************************************
+ * Copyright (c) 2007 Free Software Foundation, Inc.                        *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *     Author: Thomas E. Dickey                        2007                 *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: use_screen.c,v 1.2 2007/09/08 21:46:48 tom Exp $")
+
+NCURSES_EXPORT(int)
+use_screen(SCREEN *screen, NCURSES_CALLBACK func, void *data)
+{
+    SCREEN *save_SP;
+    int code = OK;
+
+    T((T_CALLED("use_window(%p,%p,%p)"), screen, func, data));
+
+    /*
+     * FIXME - add a flag so a given thread can check if _it_ has already
+     * recurred through this point, return an error if so.
+     */
+    _nc_lock_global(use_screen);
+    save_SP = SP;
+    set_term(screen);
+
+    code = func(screen->_stdscr, data);
+
+    set_term(save_SP);
+    _nc_unlock_global(use_screen);
+    returnCode(code);
+
+    return 0;
+}