0c3ae37f52
The three are updated together as they are tightly coupled. Change-Id: I9e1f07b6adc6e8ae10833e6f1402f8472d2d34b8
658 lines
16 KiB
C
658 lines
16 KiB
C
/* $NetBSD: get_wch.c,v 1.10 2012/06/29 10:40:29 blymn Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2005 The NetBSD Foundation Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from code donated to the NetBSD Foundation
|
|
* by Ruibiao Qiu <ruibiao@arl.wustl.edu,ruibiao@gmail.com>.
|
|
*
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
|
|
* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
__RCSID("$NetBSD: get_wch.c,v 1.10 2012/06/29 10:40:29 blymn Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include "curses.h"
|
|
#include "curses_private.h"
|
|
#include "keymap.h"
|
|
|
|
#ifdef HAVE_WCHAR
|
|
static short wstate; /* state of the wcinkey function */
|
|
#endif /* HAVE_WCHAR */
|
|
extern short state; /* storage declared in getch.c */
|
|
|
|
/* prototypes for private functions */
|
|
#ifdef HAVE_WCHAR
|
|
static int inkey(wchar_t *wc, int to, int delay);
|
|
#endif /* HAVE_WCHAR */
|
|
|
|
#ifdef HAVE_WCHAR
|
|
/*
|
|
* __init_get_wch - initialise all the pointers & structures needed to make
|
|
* get_wch work in keypad mode.
|
|
*
|
|
*/
|
|
void
|
|
__init_get_wch(SCREEN *screen)
|
|
{
|
|
wstate = INKEY_NORM;
|
|
memset( &screen->cbuf, 0, sizeof(screen->cbuf));
|
|
screen->cbuf_head = screen->cbuf_tail = screen->cbuf_cur = 0;
|
|
}
|
|
#endif /* HAVE_WCHAR */
|
|
|
|
|
|
#ifdef HAVE_WCHAR
|
|
/*
|
|
* inkey - do the work to process keyboard input, check for multi-key
|
|
* sequences and return the appropriate symbol if we get a match.
|
|
*
|
|
*/
|
|
static int
|
|
inkey(wchar_t *wc, int to, int delay)
|
|
{
|
|
wchar_t k = 0;
|
|
int c, mapping, ret = 0;
|
|
size_t mlen = 0;
|
|
keymap_t *current = _cursesi_screen->base_keymap;
|
|
FILE *infd = _cursesi_screen->infd;
|
|
int *start = &_cursesi_screen->cbuf_head,
|
|
*working = &_cursesi_screen->cbuf_cur,
|
|
*end = &_cursesi_screen->cbuf_tail;
|
|
char *inbuf = &_cursesi_screen->cbuf[ 0 ];
|
|
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT, "inkey (%p, %d, %d)\n", wc, to, delay);
|
|
#endif
|
|
for (;;) { /* loop until we get a complete key sequence */
|
|
if (wstate == INKEY_NORM) {
|
|
if (delay && __timeout(delay) == ERR)
|
|
return ERR;
|
|
c = fgetc(infd);
|
|
if (c == WEOF) {
|
|
clearerr(infd);
|
|
return ERR;
|
|
}
|
|
|
|
if (delay && (__notimeout() == ERR))
|
|
return ERR;
|
|
|
|
k = (wchar_t) c;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey (wstate normal) got '%s'\n", unctrl(k));
|
|
#endif
|
|
|
|
inbuf[ *end ] = k;
|
|
*end = ( *end + 1 ) % MAX_CBUF_SIZE;
|
|
*working = *start;
|
|
wstate = INKEY_ASSEMBLING; /* go to assembling state */
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: NORM=>ASSEMBLING: start(%d), "
|
|
"current(%d), end(%d)\n", *start, *working, *end);
|
|
#endif /* DEBUG */
|
|
} else if (wstate == INKEY_BACKOUT) {
|
|
k = inbuf[*working];
|
|
*working = ( *working + 1 ) % MAX_CBUF_SIZE;
|
|
if (*working == *end) { /* see if run out of keys */
|
|
/* if so, switch to assembling */
|
|
wstate = INKEY_ASSEMBLING;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: BACKOUT=>ASSEMBLING, start(%d), "
|
|
"current(%d), end(%d)\n",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
}
|
|
} else if (wstate == INKEY_ASSEMBLING) {
|
|
/* assembling a key sequence */
|
|
if (delay) {
|
|
if (__timeout(to ? (ESCDELAY / 100) : delay)
|
|
== ERR)
|
|
return ERR;
|
|
} else {
|
|
if (to && (__timeout(ESCDELAY / 100) == ERR))
|
|
return ERR;
|
|
}
|
|
|
|
c = fgetc(infd);
|
|
if (ferror(infd)) {
|
|
clearerr(infd);
|
|
return ERR;
|
|
}
|
|
|
|
if ((to || delay) && (__notimeout() == ERR))
|
|
return ERR;
|
|
|
|
k = (wchar_t) c;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey (wstate assembling) got '%s'\n", unctrl(k));
|
|
#endif /* DEBUG */
|
|
if (feof(infd)) { /* inter-char T/O, start backout */
|
|
clearerr(infd);
|
|
if (*start == *end)
|
|
/* no chars in the buffer, restart */
|
|
continue;
|
|
|
|
k = inbuf[*start];
|
|
wstate = INKEY_TIMEOUT;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: ASSEMBLING=>TIMEOUT, start(%d), "
|
|
"current(%d), end(%d)\n",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
} else {
|
|
inbuf[ *end ] = k;
|
|
*working = *end;
|
|
*end = ( *end + 1 ) % MAX_CBUF_SIZE;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: ASSEMBLING: start(%d), "
|
|
"current(%d), end(%d)",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
}
|
|
} else if (wstate == INKEY_WCASSEMBLING) {
|
|
/* assembling a wide-char sequence */
|
|
if (delay) {
|
|
if (__timeout(to ? (ESCDELAY / 100) : delay)
|
|
== ERR)
|
|
return ERR;
|
|
} else {
|
|
if (to && (__timeout(ESCDELAY / 100) == ERR))
|
|
return ERR;
|
|
}
|
|
|
|
c = fgetc(infd);
|
|
if (ferror(infd)) {
|
|
clearerr(infd);
|
|
return ERR;
|
|
}
|
|
|
|
if ((to || delay) && (__notimeout() == ERR))
|
|
return ERR;
|
|
|
|
k = (wchar_t) c;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey (wstate wcassembling) got '%s'\n",
|
|
unctrl(k));
|
|
#endif
|
|
if (feof(infd)) { /* inter-char T/O, start backout */
|
|
clearerr(infd);
|
|
if (*start == *end)
|
|
/* no chars in the buffer, restart */
|
|
continue;
|
|
|
|
*wc = inbuf[*start];
|
|
*working = *start
|
|
= ( *start + 1 ) % MAX_CBUF_SIZE;
|
|
if (*start == *end) {
|
|
state = wstate = INKEY_NORM;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: WCASSEMBLING=>NORM, "
|
|
"start(%d), current(%d), end(%d)",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
} else {
|
|
state = wstate = INKEY_BACKOUT;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: WCASSEMBLING=>BACKOUT, "
|
|
"start(%d), current(%d), end(%d)",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
}
|
|
return OK;
|
|
} else {
|
|
/* assembling wide characters */
|
|
inbuf[ *end ] = k;
|
|
*working = *end;
|
|
*end = ( *end + 1 ) % MAX_CBUF_SIZE;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: WCASSEMBLING[head(%d), "
|
|
"urrent(%d), tail(%d)]\n",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
ret = (int) mbrtowc( wc, inbuf + (*working), 1,
|
|
&_cursesi_screen->sp );
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: mbrtowc returns %d, wc(%x)\n",
|
|
ret, *wc );
|
|
#endif /* DEBUG */
|
|
if ( ret == -2 ) {
|
|
*working = (*working + 1)
|
|
% MAX_CBUF_SIZE;
|
|
continue;
|
|
}
|
|
if ( ret == 0 )
|
|
ret = 1;
|
|
if ( ret == -1 ) {
|
|
/* return the 1st character we know */
|
|
*wc = inbuf[ *start ];
|
|
*working = *start = ( *start + 1 ) % MAX_CBUF_SIZE;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: Invalid wide char(%x) "
|
|
"[head(%d), current(%d), "
|
|
"tail(%d)]\n",
|
|
*wc, *start, *working, *end);
|
|
#endif /* DEBUG */
|
|
} else { /* > 0 */
|
|
/* return the wide character */
|
|
*start = *working
|
|
= (*working + ret)%MAX_CBUF_SIZE;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: Wide char found(%x) "
|
|
"[head(%d), current(%d), "
|
|
"tail(%d)]\n",
|
|
*wc, *start, *working, *end);
|
|
#endif /* DEBUG */
|
|
}
|
|
|
|
if (*start == *end) { /* only one char processed */
|
|
state = wstate = INKEY_NORM;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: WCASSEMBLING=>NORM, "
|
|
"start(%d), current(%d), end(%d)",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
} else {
|
|
/* otherwise we must have more than one char to backout */
|
|
state = wstate = INKEY_BACKOUT;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: WCASSEMBLING=>BACKOUT, "
|
|
"start(%d), current(%d), end(%d)",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
}
|
|
return OK;
|
|
}
|
|
} else {
|
|
fprintf(stderr, "Inkey wstate screwed - exiting!!!");
|
|
exit(2);
|
|
}
|
|
|
|
/*
|
|
* Check key has no special meaning and we have not
|
|
* timed out and the key has not been disabled
|
|
*/
|
|
mapping = current->mapping[k];
|
|
if (((wstate == INKEY_TIMEOUT) || (mapping < 0))
|
|
|| ((current->key[mapping]->type
|
|
== KEYMAP_LEAF)
|
|
&& (current->key[mapping]->enable == FALSE))) {
|
|
/* wide-character specific code */
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: Checking for wide char\n");
|
|
#endif /* DEBUG */
|
|
mbrtowc( NULL, NULL, 1, &_cursesi_screen->sp );
|
|
*working = *start;
|
|
mlen = *end > *working ?
|
|
*end - *working : MAX_CBUF_SIZE - *working;
|
|
if ( !mlen )
|
|
return ERR;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: Check wide char[head(%d), "
|
|
"current(%d), tail(%d), mlen(%ld)]\n",
|
|
*start, *working, *end, (long) mlen);
|
|
#endif /* DEBUG */
|
|
ret = (int) mbrtowc( wc, inbuf + (*working), mlen,
|
|
&_cursesi_screen->sp );
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: mbrtowc returns %d, wc(%x)\n", ret, *wc);
|
|
#endif /* DEBUG */
|
|
if ( ret == -2 && *end < *working ) {
|
|
/* second half of a wide character */
|
|
*working = 0;
|
|
mlen = *end;
|
|
if ( mlen )
|
|
ret = (int) mbrtowc( wc, inbuf, mlen,
|
|
&_cursesi_screen->sp );
|
|
}
|
|
if ( ret == -2 && wstate != INKEY_TIMEOUT ) {
|
|
*working = (*working + (int) mlen)
|
|
% MAX_CBUF_SIZE;
|
|
wstate = INKEY_WCASSEMBLING;
|
|
continue;
|
|
}
|
|
if ( ret == 0 )
|
|
ret = 1;
|
|
if ( ret == -1 ) {
|
|
/* return the first key we know about */
|
|
*wc = inbuf[ *start ];
|
|
*working = *start
|
|
= ( *start + 1 ) % MAX_CBUF_SIZE;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: Invalid wide char(%x)[head(%d), "
|
|
"current(%d), tail(%d)]\n",
|
|
*wc, *start, *working, *end);
|
|
#endif /* DEBUG */
|
|
} else { /* > 0 */
|
|
/* return the wide character */
|
|
*start = *working
|
|
= ( *working + ret ) % MAX_CBUF_SIZE;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: Wide char found(%x)[head(%d), "
|
|
"current(%d), tail(%d)]\n",
|
|
*wc, *start, *working, *end);
|
|
#endif /* DEBUG */
|
|
}
|
|
|
|
if (*start == *end) { /* only one char processed */
|
|
state = wstate = INKEY_NORM;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: Empty cbuf=>NORM, "
|
|
"start(%d), current(%d), end(%d)\n",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
} else {
|
|
/* otherwise we must have more than one char to backout */
|
|
state = wstate = INKEY_BACKOUT;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: Non-empty cbuf=>BACKOUT, "
|
|
"start(%d), current(%d), end(%d)\n",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
}
|
|
return OK;
|
|
} else { /* must be part of a multikey sequence */
|
|
/* check for completed key sequence */
|
|
if (current->key[current->mapping[k]]->type
|
|
== KEYMAP_LEAF) {
|
|
/* eat the key sequence in cbuf */
|
|
*start = *working = ( *working + 1 ) % MAX_CBUF_SIZE;
|
|
|
|
/* check if inbuf empty now */
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"inkey: Key found(%s)\n",
|
|
key_name(current->key[mapping]->value.symbol));
|
|
#endif /* DEBUG */
|
|
if (*start == *end) {
|
|
/* if it is go back to normal */
|
|
state = wstate = INKEY_NORM;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"[inkey]=>NORM, start(%d), "
|
|
"current(%d), end(%d)",
|
|
*start, *working, *end);
|
|
#endif /* DEBUG */
|
|
} else {
|
|
/* otherwise go to backout state */
|
|
state = wstate = INKEY_BACKOUT;
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT,
|
|
"[inkey]=>BACKOUT, start(%d), "
|
|
"current(%d), end(%d)",
|
|
*start, *working, *end );
|
|
#endif /* DEBUG */
|
|
}
|
|
|
|
/* return the symbol */
|
|
*wc = current->key[mapping]->value.symbol;
|
|
return KEY_CODE_YES;
|
|
} else {
|
|
/* Step to next part of multi-key sequence */
|
|
current = current->key[current->mapping[k]]->value.next;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif /* HAVE_WCHAR */
|
|
|
|
/*
|
|
* get_wch --
|
|
* Read in a wide character from stdscr.
|
|
*/
|
|
int
|
|
get_wch(wint_t *ch)
|
|
{
|
|
#ifndef HAVE_WCHAR
|
|
return ERR;
|
|
#else
|
|
return wget_wch(stdscr, ch);
|
|
#endif /* HAVE_WCHAR */
|
|
}
|
|
|
|
/*
|
|
* mvget_wch --
|
|
* Read in a character from stdscr at the given location.
|
|
*/
|
|
int
|
|
mvget_wch(int y, int x, wint_t *ch)
|
|
{
|
|
#ifndef HAVE_WCHAR
|
|
return ERR;
|
|
#else
|
|
return mvwget_wch(stdscr, y, x, ch);
|
|
#endif /* HAVE_WCHAR */
|
|
}
|
|
|
|
/*
|
|
* mvwget_wch --
|
|
* Read in a character from stdscr at the given location in the
|
|
* given window.
|
|
*/
|
|
int
|
|
mvwget_wch(WINDOW *win, int y, int x, wint_t *ch)
|
|
{
|
|
#ifndef HAVE_WCHAR
|
|
return ERR;
|
|
#else
|
|
if (wmove(win, y, x) == ERR)
|
|
return ERR;
|
|
|
|
return wget_wch(win, ch);
|
|
#endif /* HAVE_WCHAR */
|
|
}
|
|
|
|
/*
|
|
* wget_wch --
|
|
* Read in a wide character from the window.
|
|
*/
|
|
int
|
|
wget_wch(WINDOW *win, wint_t *ch)
|
|
{
|
|
#ifndef HAVE_WCHAR
|
|
return ERR;
|
|
#else
|
|
int ret, weset;
|
|
int c;
|
|
FILE *infd = _cursesi_screen->infd;
|
|
cchar_t wc;
|
|
wchar_t inp, ws[ 2 ];
|
|
|
|
if (!(win->flags & __SCROLLOK) && (win->flags & __FULLWIN)
|
|
&& win->curx == win->maxx - 1
|
|
&& win->cury == win->maxy - 1
|
|
&& __echoit)
|
|
return (ERR);
|
|
|
|
if (is_wintouched(win))
|
|
wrefresh(win);
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT, "wget_wch: __echoit = %d, "
|
|
"__rawmode = %d, __nl = %d, flags = %#.4x\n",
|
|
__echoit, __rawmode, _cursesi_screen->nl, win->flags);
|
|
#endif
|
|
if (_cursesi_screen->resized) {
|
|
_cursesi_screen->resized = 0;
|
|
*ch = KEY_RESIZE;
|
|
return KEY_CODE_YES;
|
|
}
|
|
if (_cursesi_screen->unget_pos) {
|
|
#ifdef DEBUG
|
|
__CTRACE(__CTRACE_INPUT, "wget_wch returning char at %d\n",
|
|
_cursesi_screen->unget_pos);
|
|
#endif
|
|
_cursesi_screen->unget_pos--;
|
|
*ch = _cursesi_screen->unget_list[_cursesi_screen->unget_pos];
|
|
if (__echoit) {
|
|
ws[0] = *ch, ws[1] = L'\0';
|
|
setcchar(&wc, ws, win->wattr, 0, NULL);
|
|
wadd_wch(win, &wc);
|
|
}
|
|
return KEY_CODE_YES;
|
|
}
|
|
if (__echoit && !__rawmode) {
|
|
cbreak();
|
|
weset = 1;
|
|
} else
|
|
weset = 0;
|
|
|
|
__save_termios();
|
|
|
|
if (win->flags & __KEYPAD) {
|
|
switch (win->delay) {
|
|
case -1:
|
|
ret = inkey(&inp,
|
|
win->flags & __NOTIMEOUT ? 0 : 1, 0);
|
|
break;
|
|
case 0:
|
|
if (__nodelay() == ERR)
|
|
return ERR;
|
|
ret = inkey(&inp, 0, 0);
|
|
break;
|
|
default:
|
|
ret = inkey(&inp,
|
|
win->flags & __NOTIMEOUT ? 0 : 1,
|
|
win->delay);
|
|
break;
|
|
}
|
|
if ( ret == ERR )
|
|
return ERR;
|
|
} else {
|
|
switch (win->delay) {
|
|
case -1:
|
|
break;
|
|
case 0:
|
|
if (__nodelay() == ERR)
|
|
return ERR;
|
|
break;
|
|
default:
|
|
if (__timeout(win->delay) == ERR)
|
|
return ERR;
|
|
break;
|
|
}
|
|
|
|
c = getwchar();
|
|
if (feof(infd)) {
|
|
clearerr(infd);
|
|
__restore_termios();
|
|
return ERR; /* we have timed out */
|
|
}
|
|
|
|
if (ferror(infd)) {
|
|
clearerr(infd);
|
|
return ERR;
|
|
} else {
|
|
ret = c;
|
|
inp = c;
|
|
}
|
|
}
|
|
#ifdef DEBUG
|
|
if (inp > 255)
|
|
/* we have a key symbol - treat it differently */
|
|
/* XXXX perhaps __unctrl should be expanded to include
|
|
* XXXX the keysyms in the table....
|
|
*/
|
|
__CTRACE(__CTRACE_INPUT, "wget_wch assembled keysym 0x%x\n",
|
|
inp);
|
|
else
|
|
__CTRACE(__CTRACE_INPUT, "wget_wch got '%s'\n", unctrl(inp));
|
|
#endif
|
|
if (win->delay > -1) {
|
|
if (__delay() == ERR)
|
|
return ERR;
|
|
}
|
|
|
|
__restore_termios();
|
|
|
|
if (__echoit) {
|
|
if ( ret == KEY_CODE_YES ) {
|
|
/* handle [DEL], [BS], and [LEFT] */
|
|
if ( win->curx &&
|
|
( inp == KEY_DC ||
|
|
inp == KEY_BACKSPACE ||
|
|
inp == KEY_LEFT )) {
|
|
wmove( win, win->cury, win->curx - 1 );
|
|
wdelch( win );
|
|
}
|
|
} else {
|
|
ws[ 0 ] = inp, ws[ 1 ] = L'\0';
|
|
setcchar( &wc, ws, win->wattr, 0, NULL );
|
|
wadd_wch( win, &wc );
|
|
}
|
|
}
|
|
|
|
if (weset)
|
|
nocbreak();
|
|
|
|
if (_cursesi_screen->nl && inp == 13)
|
|
inp = 10;
|
|
|
|
*ch = inp;
|
|
|
|
if ( ret == KEY_CODE_YES )
|
|
return KEY_CODE_YES;
|
|
return ( inp < 0 ? ERR : OK );
|
|
#endif /* HAVE_WCHAR */
|
|
}
|
|
|
|
/*
|
|
* unget_wch --
|
|
* Put the wide character back into the input queue.
|
|
*/
|
|
int
|
|
unget_wch(const wchar_t c)
|
|
{
|
|
return __unget((wint_t) c);
|
|
}
|