-
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * Copyright (c) 1998 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: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
/*
#include <term.h> /* keypad_xmit, keypad_local, meta_on, meta_off */
/* cursor_visible,cursor_normal,cursor_invisible */
-MODULE_ID("$Id: lib_options.c,v 1.22 1997/05/01 23:46:18 Alexander.V.Lukyanov Exp $")
+MODULE_ID("$Id: lib_options.c,v 1.29 1998/02/11 12:13:55 tom Exp $")
int has_ic(void)
{
{
T((T_CALLED("idlok(%p,%d)"), win, flag));
- _nc_idlok = win->_idlok = flag && (has_il() || change_scroll_region);
- returnCode(OK);
+ if (win) {
+ _nc_idlok = win->_idlok = flag && (has_il() || change_scroll_region);
+ returnCode(OK);
+ }
+ else
+ returnCode(ERR);
}
{
T((T_CALLED("idcok(%p,%d)"), win, flag));
- _nc_idcok = win->_idcok = flag && has_ic();
+ if (win)
+ _nc_idcok = win->_idcok = flag && has_ic();
returnVoid;
}
-
-int clearok(WINDOW *win, bool flag)
-{
- T((T_CALLED("clearok(%p,%d)"), win, flag));
-
- win->_clear = flag;
- returnCode(OK);
-}
-
-
-void immedok(WINDOW *win, bool flag)
-{
- T((T_CALLED("immedok(%p,%d)"), win, flag));
-
- win->_immed = flag;
-
- returnVoid;
-}
-
-int leaveok(WINDOW *win, bool flag)
-{
- T((T_CALLED("leaveok(%p,%d)"), win, flag));
-
- win->_leaveok = flag;
- if (flag == TRUE)
- curs_set(0);
- else
- curs_set(1);
- returnCode(OK);
-}
-
-
-int scrollok(WINDOW *win, bool flag)
-{
- T((T_CALLED("scrollok(%p,%d)"), win, flag));
-
- win->_scroll = flag;
- returnCode(OK);
-}
-
int halfdelay(int t)
{
T((T_CALLED("halfdelay(%d)"), t));
{
T((T_CALLED("nodelay(%p,%d)"), win, flag));
- if (flag == TRUE)
- win->_delay = 0;
- else win->_delay = -1;
- returnCode(OK);
+ if (win) {
+ if (flag == TRUE)
+ win->_delay = 0;
+ else win->_delay = -1;
+ returnCode(OK);
+ }
+ else
+ returnCode(ERR);
}
int notimeout(WINDOW *win, bool f)
{
T((T_CALLED("notimout(%p,%d)"), win, f));
- win->_notimeout = f;
- returnCode(OK);
+ if (win) {
+ win->_notimeout = f;
+ returnCode(OK);
+ }
+ else
+ returnCode(ERR);
}
int wtimeout(WINDOW *win, int delay)
{
T((T_CALLED("wtimeout(%p,%d)"), win, delay));
- win->_delay = delay;
- returnCode(OK);
-}
-
-static void init_keytry(void);
-static void add_to_try(char *, short);
-
-/* Turn the keypad on/off
- *
- * Note: we flush the output because changing this mode causes some terminals
- * to emit different escape sequences for cursor and keypad keys. If we don't
- * flush, then the next wgetch may get the escape sequence that corresponds to
- * the terminal state _before_ switching modes.
- */
-int _nc_keypad(bool flag)
-{
- if (flag && keypad_xmit)
- {
- TPUTS_TRACE("keypad_xmit");
- putp(keypad_xmit);
- (void) fflush(SP->_ofp);
+ if (win) {
+ win->_delay = delay;
+ returnCode(OK);
}
- else if (! flag && keypad_local)
- {
- TPUTS_TRACE("keypad_local");
- putp(keypad_local);
- (void) fflush(SP->_ofp);
- }
-
- if (SP->_keytry == UNINITIALISED)
- init_keytry();
- return(OK);
+ else
+ returnCode(ERR);
}
int keypad(WINDOW *win, bool flag)
{
T((T_CALLED("keypad(%p,%d)"), win, flag));
- win->_use_keypad = flag;
- returnCode(_nc_keypad(flag));
+ if (win) {
+ win->_use_keypad = flag;
+ returnCode(_nc_keypad(flag));
+ }
+ else
+ returnCode(ERR);
}
int meta(WINDOW *win GCC_UNUSED, bool flag)
{
+ /* Ok, we stay relaxed and don't signal an error if win is NULL */
T((T_CALLED("meta(%p,%d)"), win, flag));
SP->_use_meta = flag;
returnCode(cursor==-1 ? 1 : cursor);
}
-/*
-** init_keytry()
-**
-** Construct the try for the current terminal's keypad keys.
-**
-*/
-
-
-static struct tries *newtry;
-
-static void init_keytry(void)
-{
- newtry = 0;
-
-/* LINT_PREPRO
-#if 0*/
-#include <keys.tries>
-/* LINT_PREPRO
-#endif*/
-
- SP->_keytry = newtry;
-}
-
-
-static void add_to_try(char *str, short code)
-{
-static bool out_of_memory = FALSE;
-struct tries *ptr, *savedptr;
-
- if (! str || out_of_memory)
- return;
-
- if (newtry != 0) {
- ptr = savedptr = newtry;
-
- for (;;) {
- while (ptr->ch != (unsigned char) *str
- && ptr->sibling != 0)
- ptr = ptr->sibling;
-
- if (ptr->ch == (unsigned char) *str) {
- if (*(++str)) {
- if (ptr->child != 0)
- ptr = ptr->child;
- else
- break;
- } else {
- ptr->value = code;
- return;
- }
- } else {
- if ((ptr->sibling = typeCalloc(struct tries,1)) == 0) {
- out_of_memory = TRUE;
- return;
- }
-
- savedptr = ptr = ptr->sibling;
- if (*str == '\200')
- ptr->ch = '\0';
- else
- ptr->ch = (unsigned char) *str;
- str++;
- ptr->value = 0;
-
- break;
- }
- } /* end for (;;) */
- } else { /* newtry == 0 :: First sequence to be added */
- savedptr = ptr = newtry = typeCalloc(struct tries,1);
-
- if (ptr == 0) {
- out_of_memory = TRUE;
- return;
- }
-
- if (*str == '\200')
- ptr->ch = '\0';
- else
- ptr->ch = (unsigned char) *str;
- str++;
- ptr->value = 0;
- }
-
- /* at this point, we are adding to the try. ptr->child == 0 */
-
- while (*str) {
- ptr->child = typeCalloc(struct tries,1);
-
- ptr = ptr->child;
-
- if (ptr == 0) {
- out_of_memory = TRUE;
-
- ptr = savedptr;
- while (ptr != 0) {
- savedptr = ptr->child;
- free(ptr);
- ptr = savedptr;
- }
-
- return;
- }
-
- if (*str == '\200')
- ptr->ch = '\0';
- else
- ptr->ch = (unsigned char) *str;
- str++;
- ptr->value = 0;
- }
-
- ptr->value = code;
- return;
-}
-
int typeahead(int fd)
{
T((T_CALLED("typeahead(%d)"), fd));
static int has_key_internal(int keycode, struct tries *tp)
{
- if (!tp)
+ if (tp == 0)
return(FALSE);
else if (tp->value == keycode)
return(TRUE);
T((T_CALLED("has_key(%d)"), keycode));
returnCode(has_key_internal(keycode, SP->_keytry));
}
+
+/*
+** init_keytry()
+**
+** Construct the try for the current terminal's keypad keys.
+**
+*/
+
+static void init_keytry(void)
+{
+/* LINT_PREPRO
+#if 0*/
+#include <keys.tries>
+/* LINT_PREPRO
+#endif*/
+ size_t n;
+
+ /* The SP->_keytry value is initialized in newterm(), where the SP
+ * structure is created, because we can not tell where keypad() or
+ * mouse_activate() (which will call keyok()) are first called.
+ */
+
+ for (n = 0; n < SIZEOF(table); n++)
+ if (table[n].offset < STRCOUNT)
+ _nc_add_to_try(&(SP->_keytry),
+ CUR Strings[table[n].offset],
+ table[n].code);
+}
+
+/* Turn the keypad on/off
+ *
+ * Note: we flush the output because changing this mode causes some terminals
+ * to emit different escape sequences for cursor and keypad keys. If we don't
+ * flush, then the next wgetch may get the escape sequence that corresponds to
+ * the terminal state _before_ switching modes.
+ */
+int _nc_keypad(bool flag)
+{
+ if (flag && keypad_xmit)
+ {
+ TPUTS_TRACE("keypad_xmit");
+ putp(keypad_xmit);
+ (void) fflush(SP->_ofp);
+ }
+ else if (! flag && keypad_local)
+ {
+ TPUTS_TRACE("keypad_local");
+ putp(keypad_local);
+ (void) fflush(SP->_ofp);
+ }
+
+ if (!SP->_tried) {
+ init_keytry();
+ SP->_tried = TRUE;
+ }
+ return(OK);
+}
projects / ncurses.git / blobdiff