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Diffstat (limited to 'ncurses/tinfo/lib_ttyflags.c')
-rw-r--r--ncurses/tinfo/lib_ttyflags.c210
1 files changed, 210 insertions, 0 deletions
diff --git a/ncurses/tinfo/lib_ttyflags.c b/ncurses/tinfo/lib_ttyflags.c
new file mode 100644
index 000000000000..2cb9fd67b4dd
--- /dev/null
+++ b/ncurses/tinfo/lib_ttyflags.c
@@ -0,0 +1,210 @@
+/****************************************************************************
+ * Copyright (c) 1998-2007,2008 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. *
+ ****************************************************************************/
+
+/*
+ * def_prog_mode()
+ * def_shell_mode()
+ * reset_prog_mode()
+ * reset_shell_mode()
+ * savetty()
+ * resetty()
+ */
+
+#include <curses.priv.h>
+#include <term.h> /* cur_term */
+
+MODULE_ID("$Id: lib_ttyflags.c,v 1.16 2008/05/03 22:39:03 tom Exp $")
+
+NCURSES_EXPORT(int)
+_nc_get_tty_mode(TTY * buf)
+{
+ int result = OK;
+
+ if (buf == 0) {
+ result = ERR;
+ } else {
+ if (cur_term == 0) {
+ result = ERR;
+ } else {
+ for (;;) {
+ if (GET_TTY(cur_term->Filedes, buf) != 0) {
+ if (errno == EINTR)
+ continue;
+ result = ERR;
+ }
+ break;
+ }
+ }
+
+ if (result == ERR)
+ memset(buf, 0, sizeof(*buf));
+
+ TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
+ cur_term->Filedes, _nc_trace_ttymode(buf)));
+ }
+ return (result);
+}
+
+NCURSES_EXPORT(int)
+_nc_set_tty_mode(TTY * buf)
+{
+ int result = OK;
+
+ if (buf == 0) {
+ result = ERR;
+ } else {
+ if (cur_term == 0) {
+ result = ERR;
+ } else {
+ for (;;) {
+ if (SET_TTY(cur_term->Filedes, buf) != 0) {
+ if (errno == EINTR)
+ continue;
+ if ((errno == ENOTTY) && (SP != 0))
+ SP->_notty = TRUE;
+ result = ERR;
+ }
+ break;
+ }
+ }
+ TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s",
+ cur_term->Filedes, _nc_trace_ttymode(buf)));
+ }
+ return (result);
+}
+
+NCURSES_EXPORT(int)
+def_shell_mode(void)
+{
+ T((T_CALLED("def_shell_mode()")));
+
+ /*
+ * If XTABS was on, remove the tab and backtab capabilities.
+ */
+
+ if (_nc_get_tty_mode(&cur_term->Ottyb) != OK)
+ returnCode(ERR);
+#ifdef TERMIOS
+ if (cur_term->Ottyb.c_oflag & OFLAGS_TABS)
+ tab = back_tab = NULL;
+#else
+ if (cur_term->Ottyb.sg_flags & XTABS)
+ tab = back_tab = NULL;
+#endif
+ returnCode(OK);
+}
+
+NCURSES_EXPORT(int)
+def_prog_mode(void)
+{
+ T((T_CALLED("def_prog_mode()")));
+
+ /*
+ * Turn off the XTABS bit in the tty structure if it was on.
+ */
+
+ if (_nc_get_tty_mode(&cur_term->Nttyb) != OK)
+ returnCode(ERR);
+#ifdef TERMIOS
+ cur_term->Nttyb.c_oflag &= ~OFLAGS_TABS;
+#else
+ cur_term->Nttyb.sg_flags &= ~XTABS;
+#endif
+ returnCode(OK);
+}
+
+NCURSES_EXPORT(int)
+reset_prog_mode(void)
+{
+ T((T_CALLED("reset_prog_mode()")));
+
+ if (cur_term != 0) {
+ if (_nc_set_tty_mode(&cur_term->Nttyb) == OK) {
+ if (SP) {
+ if (SP->_keypad_on)
+ _nc_keypad(SP, TRUE);
+ NC_BUFFERED(TRUE);
+ }
+ returnCode(OK);
+ }
+ }
+ returnCode(ERR);
+}
+
+NCURSES_EXPORT(int)
+reset_shell_mode(void)
+{
+ T((T_CALLED("reset_shell_mode()")));
+
+ if (cur_term != 0) {
+ if (SP) {
+ _nc_keypad(SP, FALSE);
+ _nc_flush();
+ NC_BUFFERED(FALSE);
+ }
+ returnCode(_nc_set_tty_mode(&cur_term->Ottyb));
+ }
+ returnCode(ERR);
+}
+
+static TTY *
+saved_tty(void)
+{
+ TTY *result = 0;
+
+ if (SP != 0) {
+ result = &(SP->_saved_tty);
+ } else {
+ if (_nc_prescreen.saved_tty == 0) {
+ _nc_prescreen.saved_tty = typeCalloc(TTY, 1);
+ }
+ result = _nc_prescreen.saved_tty;
+ }
+ return result;
+}
+
+/*
+** savetty() and resetty()
+**
+*/
+
+NCURSES_EXPORT(int)
+savetty(void)
+{
+ T((T_CALLED("savetty()")));
+
+ returnCode(_nc_get_tty_mode(saved_tty()));
+}
+
+NCURSES_EXPORT(int)
+resetty(void)
+{
+ T((T_CALLED("resetty()")));
+
+ returnCode(_nc_set_tty_mode(saved_tty()));
+}