443 lines
11 KiB
C
443 lines
11 KiB
C
/*-
|
|
* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
|
|
* All rights reserved.
|
|
*
|
|
* 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 as
|
|
* the first lines of this file unmodified.
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _DEV_SYSCONS_SCTERMVAR_H_
|
|
#define _DEV_SYSCONS_SCTERMVAR_H_
|
|
|
|
/*
|
|
* building blocks for terminal emulator modules.
|
|
*/
|
|
|
|
static __inline void sc_term_ins_line(scr_stat *scp, int y, int n, int ch,
|
|
int attr, int tail);
|
|
static __inline void sc_term_del_line(scr_stat *scp, int y, int n, int ch,
|
|
int attr, int tail);
|
|
static __inline void sc_term_ins_char(scr_stat *scp, int n, int ch,
|
|
int attr);
|
|
static __inline void sc_term_del_char(scr_stat *scp, int n, int ch,
|
|
int attr);
|
|
static __inline void sc_term_col(scr_stat *scp, int n);
|
|
static __inline void sc_term_row(scr_stat *scp, int n);
|
|
static __inline void sc_term_up(scr_stat *scp, int n, int head);
|
|
static __inline void sc_term_down(scr_stat *scp, int n, int tail);
|
|
static __inline void sc_term_left(scr_stat *scp, int n);
|
|
static __inline void sc_term_right(scr_stat *scp, int n);
|
|
static __inline void sc_term_up_scroll(scr_stat *scp, int n, int ch,
|
|
int attr, int head, int tail);
|
|
static __inline void sc_term_down_scroll(scr_stat *scp, int n, int ch,
|
|
int attr, int head, int tail);
|
|
static __inline void sc_term_clr_eos(scr_stat *scp, int n, int ch, int attr);
|
|
static __inline void sc_term_clr_eol(scr_stat *scp, int n, int ch, int attr);
|
|
static __inline void sc_term_tab(scr_stat *scp, int n);
|
|
static __inline void sc_term_backtab(scr_stat *scp, int n);
|
|
static __inline void sc_term_respond(scr_stat *scp, u_char *s);
|
|
static __inline void sc_term_gen_print(scr_stat *scp, u_char **buf, int *len,
|
|
int attr);
|
|
static __inline void sc_term_gen_scroll(scr_stat *scp, int ch, int attr);
|
|
|
|
static __inline void
|
|
sc_term_ins_line(scr_stat *scp, int y, int n, int ch, int attr, int tail)
|
|
{
|
|
if (tail <= 0)
|
|
tail = scp->ysize;
|
|
if (n < 1)
|
|
n = 1;
|
|
if (n > tail - y)
|
|
n = tail - y;
|
|
sc_vtb_ins(&scp->vtb, y*scp->xsize, n*scp->xsize, ch, attr);
|
|
mark_for_update(scp, y*scp->xsize);
|
|
mark_for_update(scp, scp->xsize*tail - 1);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_del_line(scr_stat *scp, int y, int n, int ch, int attr, int tail)
|
|
{
|
|
if (tail <= 0)
|
|
tail = scp->ysize;
|
|
if (n < 1)
|
|
n = 1;
|
|
if (n > tail - y)
|
|
n = tail - y;
|
|
sc_vtb_delete(&scp->vtb, y*scp->xsize, n*scp->xsize, ch, attr);
|
|
mark_for_update(scp, y*scp->xsize);
|
|
mark_for_update(scp, scp->xsize*tail - 1);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_ins_char(scr_stat *scp, int n, int ch, int attr)
|
|
{
|
|
int count;
|
|
|
|
if (n < 1)
|
|
n = 1;
|
|
if (n > scp->xsize - scp->xpos)
|
|
n = scp->xsize - scp->xpos;
|
|
count = scp->xsize - (scp->xpos + n);
|
|
sc_vtb_move(&scp->vtb, scp->cursor_pos, scp->cursor_pos + n, count);
|
|
sc_vtb_erase(&scp->vtb, scp->cursor_pos, n, ch, attr);
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
mark_for_update(scp, scp->cursor_pos + n + count - 1);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_del_char(scr_stat *scp, int n, int ch, int attr)
|
|
{
|
|
int count;
|
|
|
|
if (n < 1)
|
|
n = 1;
|
|
if (n > scp->xsize - scp->xpos)
|
|
n = scp->xsize - scp->xpos;
|
|
count = scp->xsize - (scp->xpos + n);
|
|
sc_vtb_move(&scp->vtb, scp->cursor_pos + n, scp->cursor_pos, count);
|
|
sc_vtb_erase(&scp->vtb, scp->cursor_pos + count, n, ch, attr);
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
mark_for_update(scp, scp->cursor_pos + n + count - 1);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_col(scr_stat *scp, int n)
|
|
{
|
|
if (n < 1)
|
|
n = 1;
|
|
sc_move_cursor(scp, n - 1, scp->ypos);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_row(scr_stat *scp, int n)
|
|
{
|
|
if (n < 1)
|
|
n = 1;
|
|
sc_move_cursor(scp, scp->xpos, n - 1);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_up(scr_stat *scp, int n, int head)
|
|
{
|
|
if (n < 1)
|
|
n = 1;
|
|
n = imin(n, scp->ypos - head);
|
|
if (n <= 0)
|
|
return;
|
|
sc_move_cursor(scp, scp->xpos, scp->ypos - n);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_down(scr_stat *scp, int n, int tail)
|
|
{
|
|
if (tail <= 0)
|
|
tail = scp->ysize;
|
|
if (n < 1)
|
|
n = 1;
|
|
n = imin(n, tail - scp->ypos - 1);
|
|
if (n <= 0)
|
|
return;
|
|
sc_move_cursor(scp, scp->xpos, scp->ypos + n);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_left(scr_stat *scp, int n)
|
|
{
|
|
if (n < 1)
|
|
n = 1;
|
|
sc_move_cursor(scp, scp->xpos - n, scp->ypos);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_right(scr_stat *scp, int n)
|
|
{
|
|
if (n < 1)
|
|
n = 1;
|
|
sc_move_cursor(scp, scp->xpos + n, scp->ypos);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_up_scroll(scr_stat *scp, int n, int ch, int attr, int head, int tail)
|
|
{
|
|
if (tail <= 0)
|
|
tail = scp->ysize;
|
|
if (n < 1)
|
|
n = 1;
|
|
if (n <= scp->ypos - head) {
|
|
sc_move_cursor(scp, scp->xpos, scp->ypos - n);
|
|
} else {
|
|
sc_term_ins_line(scp, head, n - (scp->ypos - head),
|
|
ch, attr, tail);
|
|
sc_move_cursor(scp, scp->xpos, head);
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_down_scroll(scr_stat *scp, int n, int ch, int attr, int head, int tail)
|
|
{
|
|
if (tail <= 0)
|
|
tail = scp->ysize;
|
|
if (n < 1)
|
|
n = 1;
|
|
if (n < tail - scp->ypos) {
|
|
sc_move_cursor(scp, scp->xpos, scp->ypos + n);
|
|
} else {
|
|
sc_term_del_line(scp, head, n - (tail - scp->ypos) + 1,
|
|
ch, attr, tail);
|
|
sc_move_cursor(scp, scp->xpos, tail - 1);
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_clr_eos(scr_stat *scp, int n, int ch, int attr)
|
|
{
|
|
switch (n) {
|
|
case 0: /* clear form cursor to end of display */
|
|
sc_vtb_erase(&scp->vtb, scp->cursor_pos,
|
|
scp->xsize*scp->ysize - scp->cursor_pos,
|
|
ch, attr);
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
mark_for_update(scp, scp->xsize*scp->ysize - 1);
|
|
sc_remove_cutmarking(scp);
|
|
break;
|
|
case 1: /* clear from beginning of display to cursor */
|
|
sc_vtb_erase(&scp->vtb, 0, scp->cursor_pos + 1, ch, attr);
|
|
mark_for_update(scp, 0);
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
sc_remove_cutmarking(scp);
|
|
break;
|
|
case 2: /* clear entire display */
|
|
sc_vtb_erase(&scp->vtb, 0, scp->xsize*scp->ysize, ch, attr);
|
|
mark_for_update(scp, 0);
|
|
mark_for_update(scp, scp->xsize*scp->ysize - 1);
|
|
sc_remove_cutmarking(scp);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_clr_eol(scr_stat *scp, int n, int ch, int attr)
|
|
{
|
|
switch (n) {
|
|
case 0: /* clear form cursor to end of line */
|
|
sc_vtb_erase(&scp->vtb, scp->cursor_pos,
|
|
scp->xsize - scp->xpos, ch, attr);
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
mark_for_update(scp, scp->cursor_pos +
|
|
scp->xsize - 1 - scp->xpos);
|
|
break;
|
|
case 1: /* clear from beginning of line to cursor */
|
|
sc_vtb_erase(&scp->vtb, scp->cursor_pos - scp->xpos,
|
|
scp->xpos + 1, ch, attr);
|
|
mark_for_update(scp, scp->ypos*scp->xsize);
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
break;
|
|
case 2: /* clear entire line */
|
|
sc_vtb_erase(&scp->vtb, scp->cursor_pos - scp->xpos,
|
|
scp->xsize, ch, attr);
|
|
mark_for_update(scp, scp->ypos*scp->xsize);
|
|
mark_for_update(scp, (scp->ypos + 1)*scp->xsize - 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_tab(scr_stat *scp, int n)
|
|
{
|
|
int i;
|
|
|
|
if (n < 1)
|
|
n = 1;
|
|
i = (scp->xpos & ~7) + 8*n;
|
|
if (i >= scp->xsize) {
|
|
if (scp->ypos >= scp->ysize - 1) {
|
|
scp->xpos = 0;
|
|
scp->ypos++;
|
|
scp->cursor_pos = scp->ypos*scp->xsize;
|
|
} else
|
|
sc_move_cursor(scp, 0, scp->ypos + 1);
|
|
} else
|
|
sc_move_cursor(scp, i, scp->ypos);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_backtab(scr_stat *scp, int n)
|
|
{
|
|
int i;
|
|
|
|
if (n < 1)
|
|
n = 1;
|
|
if ((i = scp->xpos & ~7) == scp->xpos)
|
|
i -= 8*n;
|
|
else
|
|
i -= 8*(n - 1);
|
|
if (i < 0)
|
|
i = 0;
|
|
sc_move_cursor(scp, i, scp->ypos);
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_respond(scr_stat *scp, u_char *s)
|
|
{
|
|
sc_paste(scp, s, strlen(s)); /* XXX: not correct, don't use rmap */
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_gen_print(scr_stat *scp, u_char **buf, int *len, int attr)
|
|
{
|
|
vm_offset_t p;
|
|
u_char *ptr;
|
|
u_char *map;
|
|
int cnt;
|
|
int l;
|
|
int i;
|
|
|
|
ptr = *buf;
|
|
l = *len;
|
|
|
|
if (PRINTABLE(*ptr)) {
|
|
p = sc_vtb_pointer(&scp->vtb, scp->cursor_pos);
|
|
map = scp->sc->scr_map;
|
|
|
|
cnt = imin(l, scp->xsize - scp->xpos);
|
|
i = cnt;
|
|
do {
|
|
/*
|
|
* gcc-2.6.3 generates poor (un)sign extension code.
|
|
* Casting the pointers in the following to volatile
|
|
* should have no effect, but in fact speeds up this
|
|
* inner loop from 26 to 18 cycles (+ cache misses)
|
|
* on i486's.
|
|
* XXX: out of date?
|
|
*/
|
|
#define UCVP(ucp) ((u_char volatile *)(ucp))
|
|
p = sc_vtb_putchar(&scp->vtb, p,
|
|
UCVP(map)[*UCVP(ptr)], attr);
|
|
++ptr;
|
|
--i;
|
|
} while ((i > 0) && PRINTABLE(*ptr));
|
|
|
|
l -= cnt - i;
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
scp->cursor_pos += cnt - i;
|
|
mark_for_update(scp, scp->cursor_pos - 1);
|
|
scp->xpos += cnt - i;
|
|
|
|
if (scp->xpos >= scp->xsize) {
|
|
scp->xpos = 0;
|
|
scp->ypos++;
|
|
/* we may have to scroll the screen */
|
|
}
|
|
} else {
|
|
switch(*ptr) {
|
|
case 0x07:
|
|
sc_bell(scp, scp->bell_pitch, scp->bell_duration);
|
|
break;
|
|
|
|
case 0x08: /* non-destructive backspace */
|
|
/* XXX */
|
|
if (scp->cursor_pos > 0) {
|
|
#if 0
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
scp->cursor_pos--;
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
#else
|
|
scp->cursor_pos--;
|
|
#endif
|
|
if (scp->xpos > 0) {
|
|
scp->xpos--;
|
|
} else {
|
|
scp->xpos += scp->xsize - 1;
|
|
scp->ypos--;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0x09: /* non-destructive tab */
|
|
sc_term_tab(scp, 1);
|
|
/* we may have to scroll the screen */
|
|
#if 0
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
scp->cursor_pos += (8 - scp->xpos % 8u);
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
scp->xpos += (8 - scp->xpos % 8u);
|
|
if (scp->xpos >= scp->xsize) {
|
|
scp->xpos = 0;
|
|
scp->ypos++;
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
case 0x0a: /* newline, same pos */
|
|
#if 0
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
scp->cursor_pos += scp->xsize;
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
#else
|
|
scp->cursor_pos += scp->xsize;
|
|
/* we may have to scroll the screen */
|
|
#endif
|
|
scp->ypos++;
|
|
break;
|
|
|
|
case 0x0c: /* form feed, clears screen */
|
|
sc_clear_screen(scp);
|
|
break;
|
|
|
|
case 0x0d: /* return, return to pos 0 */
|
|
#if 0
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
scp->cursor_pos -= scp->xpos;
|
|
mark_for_update(scp, scp->cursor_pos);
|
|
#else
|
|
scp->cursor_pos -= scp->xpos;
|
|
#endif
|
|
scp->xpos = 0;
|
|
break;
|
|
}
|
|
ptr++; l--;
|
|
}
|
|
|
|
*buf = ptr;
|
|
*len = l;
|
|
}
|
|
|
|
static __inline void
|
|
sc_term_gen_scroll(scr_stat *scp, int ch, int attr)
|
|
{
|
|
/* do we have to scroll ?? */
|
|
if (scp->cursor_pos >= scp->ysize*scp->xsize) {
|
|
sc_remove_cutmarking(scp); /* XXX */
|
|
#ifndef SC_NO_HISTORY
|
|
if (scp->history != NULL)
|
|
sc_hist_save_one_line(scp, 0); /* XXX */
|
|
#endif
|
|
sc_vtb_delete(&scp->vtb, 0, scp->xsize, ch, attr);
|
|
scp->cursor_pos -= scp->xsize;
|
|
scp->ypos--;
|
|
mark_all(scp);
|
|
}
|
|
}
|
|
|
|
#endif /* _DEV_SYSCONS_SCTERMVAR_H_ */
|