334 lines
8 KiB
C
334 lines
8 KiB
C
|
/* $NetBSD: ins_wstr.c,v 1.6 2010/12/16 17:42:28 wiz 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: ins_wstr.c,v 1.6 2010/12/16 17:42:28 wiz Exp $");
|
||
|
|
#endif /* not lint */
|
||
|
|
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#include "curses.h"
|
||
|
|
#include "curses_private.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ins_wstr --
|
||
|
|
* insert a multi-character wide-character string into the current window
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
ins_wstr(const wchar_t *wstr)
|
||
|
|
{
|
||
|
|
return wins_wstr(stdscr, wstr);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ins_nwstr --
|
||
|
|
* insert a multi-character wide-character string into the current window
|
||
|
|
* with at most n characters
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
ins_nwstr(const wchar_t *wstr, int n)
|
||
|
|
{
|
||
|
|
return wins_nwstr(stdscr, wstr, n);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* mvins_wstr --
|
||
|
|
* Do an insert-string on the line at (y, x).
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
mvins_wstr(int y, int x, const wchar_t *wstr)
|
||
|
|
{
|
||
|
|
return mvwins_wstr(stdscr, y, x, wstr);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* mvins_nwstr --
|
||
|
|
* Do an insert-n-string on the line at (y, x).
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
mvins_nwstr(int y, int x, const wchar_t *wstr, int n)
|
||
|
|
{
|
||
|
|
return mvwins_nwstr(stdscr, y, x, wstr, n);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* mvwins_wstr --
|
||
|
|
* Do an insert-string on the line at (y, x) in the given window.
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
mvwins_wstr(WINDOW *win, int y, int x, const wchar_t *wstr)
|
||
|
|
{
|
||
|
|
if (wmove(win, y, x) == ERR)
|
||
|
|
return ERR;
|
||
|
|
|
||
|
|
return wins_wstr(stdscr, wstr);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* mvwins_nwstr --
|
||
|
|
* Do an insert-n-string on the line at (y, x) in the given window.
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
mvwins_nwstr(WINDOW *win, int y, int x, const wchar_t *wstr, int n)
|
||
|
|
{
|
||
|
|
if (wmove(win, y, x) == ERR)
|
||
|
|
return ERR;
|
||
|
|
|
||
|
|
return wins_nwstr(stdscr, wstr, n);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* wins_wstr --
|
||
|
|
* Do an insert-string on the line, leaving (cury, curx) unchanged.
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
wins_wstr(WINDOW *win, const wchar_t *wstr)
|
||
|
|
{
|
||
|
|
return wins_nwstr(win, wstr, -1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* wins_nwstr --
|
||
|
|
* Do an insert-n-string on the line, leaving (cury, curx) unchanged.
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
|
||
|
|
{
|
||
|
|
#ifndef HAVE_WCHAR
|
||
|
|
return ERR;
|
||
|
|
#else
|
||
|
|
__LDATA *start, *temp1, *temp2;
|
||
|
|
__LINE *lnp;
|
||
|
|
const wchar_t *scp;
|
||
|
|
int width, len, sx, x, y, cw, pcw, newx;
|
||
|
|
nschar_t *np;
|
||
|
|
wchar_t ws[] = L" ";
|
||
|
|
|
||
|
|
/* check for leading non-spacing character */
|
||
|
|
if (!wstr)
|
||
|
|
return OK;
|
||
|
|
cw = wcwidth(*wstr);
|
||
|
|
if (cw < 0)
|
||
|
|
cw = 1;
|
||
|
|
if (!cw)
|
||
|
|
return ERR;
|
||
|
|
|
||
|
|
scp = wstr + 1;
|
||
|
|
width = cw;
|
||
|
|
len = 1;
|
||
|
|
n--;
|
||
|
|
while (*scp) {
|
||
|
|
int w;
|
||
|
|
if (!n)
|
||
|
|
break;
|
||
|
|
w = wcwidth(*scp);
|
||
|
|
if (w < 0)
|
||
|
|
w = 1;
|
||
|
|
n--, len++, width += w;
|
||
|
|
scp++;
|
||
|
|
}
|
||
|
|
#ifdef DEBUG
|
||
|
|
__CTRACE(__CTRACE_INPUT, "wins_nwstr: width=%d,len=%d\n", width, len);
|
||
|
|
#endif /* DEBUG */
|
||
|
|
|
||
|
|
if (cw > win->maxx - win->curx + 1)
|
||
|
|
return ERR;
|
||
|
|
start = &win->alines[win->cury]->line[win->curx];
|
||
|
|
sx = win->curx;
|
||
|
|
lnp = win->alines[win->cury];
|
||
|
|
pcw = WCOL(*start);
|
||
|
|
if (pcw < 0) {
|
||
|
|
sx += pcw;
|
||
|
|
start += pcw;
|
||
|
|
}
|
||
|
|
#ifdef DEBUG
|
||
|
|
__CTRACE(__CTRACE_INPUT, "wins_nwstr: start@(%d)\n", sx);
|
||
|
|
#endif /* DEBUG */
|
||
|
|
pcw = WCOL(*start);
|
||
|
|
lnp->flags |= __ISDIRTY;
|
||
|
|
newx = sx + win->ch_off;
|
||
|
|
if (newx < *lnp->firstchp)
|
||
|
|
*lnp->firstchp = newx;
|
||
|
|
#ifdef DEBUG
|
||
|
|
{
|
||
|
|
__CTRACE(__CTRACE_INPUT, "========before=======\n");
|
||
|
|
for (x = 0; x < win->maxx; x++)
|
||
|
|
__CTRACE(__CTRACE_INPUT,
|
||
|
|
"wins_nwstr: (%d,%d)=(%x,%x,%p)\n",
|
||
|
|
(int) win->cury, x,
|
||
|
|
win->alines[win->cury]->line[x].ch,
|
||
|
|
win->alines[win->cury]->line[x].attr,
|
||
|
|
win->alines[win->cury]->line[x].nsp);
|
||
|
|
}
|
||
|
|
#endif /* DEBUG */
|
||
|
|
|
||
|
|
/* shift all complete characters */
|
||
|
|
if (sx + width + pcw <= win->maxx) {
|
||
|
|
#ifdef DEBUG
|
||
|
|
__CTRACE(__CTRACE_INPUT, "wins_nwstr: shift all characters\n");
|
||
|
|
#endif /* DEBUG */
|
||
|
|
temp1 = &win->alines[win->cury]->line[win->maxx - 1];
|
||
|
|
temp2 = temp1 - width;
|
||
|
|
pcw = WCOL(*(temp2 + 1));
|
||
|
|
if (pcw < 0) {
|
||
|
|
#ifdef DEBUG
|
||
|
|
__CTRACE(__CTRACE_INPUT,
|
||
|
|
"wins_nwstr: clear from %d to EOL(%d)\n",
|
||
|
|
win->maxx + pcw, win->maxx - 1);
|
||
|
|
#endif /* DEBUG */
|
||
|
|
temp2 += pcw;
|
||
|
|
while (temp1 > temp2 + width) {
|
||
|
|
temp1->ch = (wchar_t)btowc((int) win->bch);
|
||
|
|
if (_cursesi_copy_nsp(win->bnsp, temp1) == ERR)
|
||
|
|
return ERR;
|
||
|
|
temp1->attr = win->battr;
|
||
|
|
SET_WCOL(*temp1, 1);
|
||
|
|
#ifdef DEBUG
|
||
|
|
__CTRACE(__CTRACE_INPUT,
|
||
|
|
"wins_nwstr: empty cell(%p)\n", temp1);
|
||
|
|
#endif /* DEBUG */
|
||
|
|
temp1--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
while (temp2 >= start) {
|
||
|
|
(void)memcpy(temp1, temp2, sizeof(__LDATA));
|
||
|
|
temp1--, temp2--;
|
||
|
|
}
|
||
|
|
#ifdef DEBUG
|
||
|
|
{
|
||
|
|
__CTRACE(__CTRACE_INPUT, "=====after shift====\n");
|
||
|
|
for (x = 0; x < win->maxx; x++)
|
||
|
|
__CTRACE(__CTRACE_INPUT,
|
||
|
|
"wins_nwstr: (%d,%d)=(%x,%x,%p)\n",
|
||
|
|
(int) win->cury, x,
|
||
|
|
win->alines[win->cury]->line[x].ch,
|
||
|
|
win->alines[win->cury]->line[x].attr,
|
||
|
|
win->alines[win->cury]->line[x].nsp);
|
||
|
|
}
|
||
|
|
#endif /* DEBUG */
|
||
|
|
}
|
||
|
|
|
||
|
|
/* update string columns */
|
||
|
|
x = win->curx;
|
||
|
|
y = win->cury;
|
||
|
|
for (scp = wstr, temp1 = start; len; len--, scp++) {
|
||
|
|
switch (*scp) {
|
||
|
|
case L'\b':
|
||
|
|
if (--x < 0)
|
||
|
|
x = 0;
|
||
|
|
win->curx = x;
|
||
|
|
continue;;
|
||
|
|
case L'\r':
|
||
|
|
win->curx = 0;
|
||
|
|
continue;
|
||
|
|
case L'\n':
|
||
|
|
wclrtoeol(win);
|
||
|
|
if (y == win->scr_b) {
|
||
|
|
if (!(win->flags & __SCROLLOK))
|
||
|
|
return ERR;
|
||
|
|
scroll(win);
|
||
|
|
}
|
||
|
|
continue;
|
||
|
|
case L'\t':
|
||
|
|
if (wins_nwstr(win, ws,
|
||
|
|
min(win->maxx - x, 8-(x % 8)))
|
||
|
|
== ERR)
|
||
|
|
return ERR;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
cw = wcwidth(*scp);
|
||
|
|
if (cw < 0)
|
||
|
|
cw = 1;
|
||
|
|
if (cw) {
|
||
|
|
/* 1st column */
|
||
|
|
temp1->ch = (wchar_t)*scp;
|
||
|
|
temp1->attr = win->wattr;
|
||
|
|
SET_WCOL(*temp1, cw);
|
||
|
|
temp1->nsp = NULL;
|
||
|
|
#ifdef DEBUG
|
||
|
|
__CTRACE(__CTRACE_INPUT,
|
||
|
|
"wins_nwstr: add spacing char(%x)\n", temp1->ch);
|
||
|
|
#endif /* DEBUG */
|
||
|
|
temp2 = temp1++;
|
||
|
|
if (cw > 1) {
|
||
|
|
x = -1;
|
||
|
|
while (temp1 < temp2 + cw) {
|
||
|
|
/* the rest columns */
|
||
|
|
temp1->ch = (wchar_t)*scp;
|
||
|
|
temp1->attr = win->wattr;
|
||
|
|
temp1->nsp = NULL;
|
||
|
|
SET_WCOL(*temp1, x);
|
||
|
|
temp1++, x--;
|
||
|
|
}
|
||
|
|
temp1--;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/* non-spacing character */
|
||
|
|
np = (nschar_t *)malloc(sizeof(nschar_t));
|
||
|
|
if (!np)
|
||
|
|
return ERR;
|
||
|
|
np->ch = *scp;
|
||
|
|
np->next = temp1->nsp;
|
||
|
|
temp1->nsp = np;
|
||
|
|
#ifdef DEBUG
|
||
|
|
__CTRACE(__CTRACE_INPUT,
|
||
|
|
"wins_nstr: add non-spacing char(%x)\n", np->ch);
|
||
|
|
#endif /* DEBUG */
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#ifdef DEBUG
|
||
|
|
{
|
||
|
|
__CTRACE(__CTRACE_INPUT, "========after=======\n");
|
||
|
|
for (x = 0; x < win->maxx; x++)
|
||
|
|
__CTRACE(__CTRACE_INPUT,
|
||
|
|
"wins_nwstr: (%d,%d)=(%x,%x,%p)\n",
|
||
|
|
(int) win->cury, x,
|
||
|
|
win->alines[win->cury]->line[x].ch,
|
||
|
|
win->alines[win->cury]->line[x].attr,
|
||
|
|
win->alines[win->cury]->line[x].nsp);
|
||
|
|
}
|
||
|
|
#endif /* DEBUG */
|
||
|
|
newx = win->maxx - 1 + win->ch_off;
|
||
|
|
if (newx > *lnp->lastchp)
|
||
|
|
*lnp->lastchp = newx;
|
||
|
|
__touchline(win, (int) win->cury, sx, (int) win->maxx - 1);
|
||
|
|
return OK;
|
||
|
|
#endif /* HAVE_WCHAR */
|
||
|
|
}
|