-config.*
-.depends
-autom4te.cache
-configure
+/config.*
+/autom4te.cache
+/configure
+/.depends
+.*.sw?
+.objs*
DEPTH=.
include $(DEPTH)/am/header.mk
-SUBDIRS = madtty
+SUBDIRS = madtty demo
include $(DEPTH)/am/footer.mk
# vim:set ft=automake:
$1: $$(call deps_create,$$($1_SOURCES),$(_cobjs)/$1)
$(CC) $$(CFLAGS) $$($1_CPPFLAGS) -o $$@ $$(filter %.o,$$^) \
- $$(LDFLAGS) $$($1_LDFLAGS) $$($1_LIBADD)
+ $$(LDFLAGS) $$($1_LDFLAGS) $$($1_LDADD)
$$(eval $$(call RULE_C_tpl,$1,))
$1.so$3: $$(call deps_create,$$($1_SOURCES),$(_cobjs)/$1)
$(CC) $$(CFLAGS) $$($1_CPPFLAGS) -fPIC -shared -o $$@ $$(filter %.o,$$^) \
- $$(LDFLAGS) $$($1_LDFLAGS) $$($1_LIBADD)
+ $$(LDFLAGS) $$($1_LDFLAGS) $$($1_LDADD)
$$(if $$(word 2,$$(subst ., ,$3)),ln -sf $$@ $1.so.$$(word 1,$$(subst ., ,$3)))
$$(if $$($1_VERSION), ln -sf $$@ $1.so)
bin_PROGRAMS = boxshell
boxshell_SOURCES = boxshell.c
-boxshell_LDFLAGS = -L../madtty -lmadtty -lncurses
+boxshell_LDFLAGS = -L../madtty -lmadtty
boxshell_CPPFLAGS = -Wno-error
include $(DEPTH)/am/footer.mk
*/
#include <ncurses.h>
+#include <locale.h>
#include <stdio.h>
#include <signal.h>
#include <string.h>
+#include <sys/time.h>
+#include <time.h>
#include <madtty/madtty.h>
int main(int argc, char *argv[])
{
+ struct timeval next = { 0, 0 };
RoteTerm *rt;
- int i, j, ch, w, h;
+ int i, j, ch, w, h, pos;
+ char buf[BUFSIZ];
signal(SIGCHLD, sigchld);
w = 80;
- h = 50;
+ h = 40;
if (argc > 1) {
char *p = argv[1];
w = strtol(p, &p, 10);
h = strtol(p, &p, 10);
}
+ setlocale(LC_ALL, "");
initscr();
noecho();
start_color();
refresh();
/* create a window with a frame */
- term_win = newwin(h + 2, w + 2, 1, 2);
- wattrset(term_win, COLOR_PAIR(7*8+7-0)); /* black over white */
+ term_win = newwin(h + 2, w + 2, 2, 3);
wborder(term_win, '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0');
mvwprintw(term_win, 0, 27, " Term In a Box ");
wrefresh(term_win);
- /* create the terminal and have it run bash */
rt = rote_vt_create(h, w);
{
- const char *path = "/bin/bash";
- const char *args[] = {"/bin/bash", "--login", NULL};
+ const char *path = getenv("SHELL") ?: "/bin/sh";
+ const char *args[] = { path, "--login", NULL};
rote_vt_forkpty(rt, path, args);
}
/* keep reading keypresses from the user and passing them to the terminal;
* also, redraw the terminal to the window at each iteration */
ch = '\0';
+ pos = 0;
while (!getout) {
fd_set rfds;
- struct timeval tv = { 0 , 1000 };
+ struct timeval tv = { 0 , 1000 }, t;
FD_ZERO(&rfds);
FD_SET(rt->pty, &rfds);
if (select(rt->pty + 1, &rfds, NULL, NULL, &tv) > 0) {
- char buf[512];
- int nbread;
-
- nbread = rote_vt_read(rt, buf, sizeof(buf));
- if (nbread > 0)
- rote_vt_inject(rt, buf, nbread);
+ int nb;
+
+ nb = rote_vt_read(rt, buf + pos, sizeof(buf) - pos);
+ if (nb <= 0)
+ continue;
+ pos += nb;
+
+ nb = rote_vt_inject(rt, buf, pos);
+ if (nb <= 0)
+ continue;
+ memmove(buf, buf + nb, pos - nb);
+ pos -= nb;
}
-
while ((ch = getch()) != ERR) {
rote_vt_keypress(rt, ch); /* pass the keypress for handling */
}
- rote_vt_draw(rt, term_win, 1, 1, NULL);
- wrefresh(term_win);
+ gettimeofday(&t, NULL);
+ if (timercmp(&t, &next, >=)) {
+ rote_vt_draw(rt, term_win, 1, 1);
+ wrefresh(term_win);
+ gettimeofday(&next, NULL);
+ next.tv_usec += 1000 * 1000 / 100;
+ if (next.tv_usec > 1000 * 1000) {
+ next.tv_usec -= 1000 * 1000;
+ next.tv_sec++;
+ }
+ }
}
endwin();
-Makefile
-madtty.pc
+/Makefile
+/madtty.pc
+/libmadtty.so*
include_HEADERS = madtty.h
lib_LIBRARIES = libmadtty
-libmadtty_SOURCES = madtty.h madtty_priv.h \
- madtty.c inject.c
+libmadtty_SOURCES = madtty.h madtty.c
libmadtty_CPPFLAGS = -Wno-error
+libmadtty_LDADD = -lutil -lncursesw
libmadtty_VERSION = @PACKAGE_VERSION@
pkgconfigdir=$(libdir)/pkgconfig
+++ /dev/null
-/*
- LICENSE INFORMATION:
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License (LGPL) as published by the Free Software Foundation.
-
- Please refer to the COPYING file for more information.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- Copyright © 2004 Bruno T. C. de Oliveira
- Copyright © 2006 Pierre Habouzit
- */
-
-#include <string.h>
-#include <stdio.h>
-#include <ctype.h>
-
-#include "madtty.h"
-#include "madtty_priv.h"
-
-#define MAX_CSI_ES_PARAMS 32
-
-static inline void clamp_cursor_to_bounds(RoteTerm *rt)
-{
- if (rt->crow < 0) {
- rt->curpos_dirty = true;
- rt->crow = 0;
- }
- if (rt->ccol < 0) {
- rt->curpos_dirty = true;
- rt->ccol = 0;
- }
-
- if (rt->crow >= rt->rows) {
- rt->curpos_dirty = true;
- rt->crow = rt->rows - 1;
- }
- if (rt->ccol >= rt->cols) {
- rt->curpos_dirty = true;
- rt->ccol = rt->cols - 1;
- }
-}
-
-static void cursor_line_down(RoteTerm *rt)
-{
- int i;
-
- rt->crow++;
- rt->curpos_dirty = true;
- if (rt->crow <= rt->pd->scrollbottom)
- return;
-
- /* must scroll the scrolling region up by 1 line, and put cursor on
- * last line of it */
- rt->crow = rt->pd->scrollbottom;
-
- for (i = rt->pd->scrolltop; i < rt->pd->scrollbottom; i++) {
- rt->line_dirty[i] = true;
- memcpy(rt->cells[i], rt->cells[i+1], sizeof(RoteCell) * rt->cols);
- }
-
- rt->line_dirty[rt->pd->scrollbottom] = true;
-
- /* clear last row of the scrolling region */
- for (i = 0; i < rt->cols; i++) {
- rt->cells[rt->pd->scrollbottom][i].ch = 0x20;
- rt->cells[rt->pd->scrollbottom][i].attr = 0x70;
- }
-}
-
-static void cursor_line_up(RoteTerm *rt)
-{
- int i;
-
- rt->crow--;
- rt->curpos_dirty = true;
- if (rt->crow >= rt->pd->scrolltop)
- return;
-
- /* must scroll the scrolling region up by 1 line, and put cursor on
- * first line of it */
- rt->crow = rt->pd->scrolltop;
-
- for (i = rt->pd->scrollbottom; i > rt->pd->scrolltop; i--) {
- rt->line_dirty[i] = true;
- memcpy(rt->cells[i], rt->cells[i-1], sizeof(RoteCell) * rt->cols);
- }
-
- rt->line_dirty[rt->pd->scrolltop] = true;
-
- /* clear first row of the scrolling region */
- for (i = 0; i < rt->cols; i++) {
- rt->cells[rt->pd->scrolltop][i].ch = 0x20;
- rt->cells[rt->pd->scrolltop][i].attr = 0x70;
- }
-}
-
-static inline void put_normal_char(RoteTerm *rt, int c)
-{
- if (rt->ccol >= rt->cols) {
- rt->ccol = 0;
- cursor_line_down(rt);
- }
-
- if (rt->insert) {
- int i;
-
- for(i = rt->cols - 1; i >= rt->ccol+1; i--) {
- rt->cells[rt->crow][i] = rt->cells[rt->crow][i-1];
- }
- }
-
- rt->cells[rt->crow][rt->ccol].ch = c;
- rt->cells[rt->crow][rt->ccol].attr = rt->curattr;
- rt->ccol++;
-
- rt->line_dirty[rt->crow] = true;
- rt->curpos_dirty = true;
-}
-
-static inline void put_graphmode_char(RoteTerm *rt, int c)
-{
- char nc;
- /* do some very pitiful translation to regular ascii chars */
- switch (c) {
- case 'j': case 'k': case 'l': case 'm': case 'n': case 't':
- case 'u': case 'v': case 'w':
- nc = '+'; break;
- case 'x':
- nc = '|'; break;
- default:
- nc = '%';
- }
-
- put_normal_char(rt, nc);
-}
-
-static inline void new_escape_sequence(RoteTerm *rt)
-{
- rt->pd->escaped = true;
- rt->pd->esbuf_len = 0;
- rt->pd->esbuf[0] = '\0';
-}
-
-static inline void cancel_escape_sequence(RoteTerm *rt)
-{
- rt->pd->escaped = false;
- rt->pd->esbuf_len = 0;
- rt->pd->esbuf[0] = '\0';
-}
-
-static void handle_control_char(RoteTerm *rt, int c)
-{
- switch (c) {
- case '\r': /* carriage return */
- rt->ccol = 0;
- break;
-
- case '\n': /* line feed */
- rt->ccol = 0;
- cursor_line_down(rt);
- rt->curpos_dirty = true;
- break;
-
- case '\b': /* backspace */
- if (rt->ccol > 0)
- rt->ccol--;
- rt->curpos_dirty = true;
- break;
-
- case '\t': /* tab */
- rt->ccol = (rt->ccol + 8) & ~7;
- clamp_cursor_to_bounds(rt);
- break;
-
- case '\x1b': /* begin escape sequence (aborting previous one if any) */
- new_escape_sequence(rt);
- break;
-
- case '\x0e': /* enter graphical character mode */
- rt->pd->graphmode = true;
- break;
-
- case '\x0f': /* exit graphical character mode */
- rt->pd->graphmode = false;
- break;
-
- case '\x9b': /* CSI character. Equivalent to ESC [ */
- new_escape_sequence(rt);
- rt->pd->esbuf[rt->pd->esbuf_len++] = '[';
- break;
-
- case '\x18':
- case '\x1a': /* these interrupt escape sequences */
- cancel_escape_sequence(rt);
- break;
-
- case '\a': /* bell */
- /* do nothing for now... maybe a visual bell would be nice? */
- break;
- }
-}
-
-static inline bool is_valid_csi_ender(int c)
-{
- return (c >= 'a' && c <= 'z')
- || (c >= 'A' && c <= 'Z')
- || (c == '@' || c == '`');
-}
-
-static void try_interpret_escape_seq(RoteTerm *rt)
-{
- char firstchar = rt->pd->esbuf[0];
- char lastchar = rt->pd->esbuf[rt->pd->esbuf_len-1];
-
- if (!firstchar)
- return; /* too early to do anything */
-
- /* interpret ESC-M as reverse line-feed */
- if (firstchar == 'M') {
- cursor_line_up(rt);
- cancel_escape_sequence(rt);
- return;
- }
-
- if (firstchar != '[' && firstchar != ']') {
- /* unrecognized escape sequence. Let's forget about it. */
- cancel_escape_sequence(rt);
- return;
- }
-
- if (firstchar == '[' && is_valid_csi_ender(lastchar)) {
- /* we have a csi escape sequence: interpret it */
- rote_es_interpret_csi(rt);
- cancel_escape_sequence(rt);
- } else if (firstchar == ']' && lastchar == '\a') {
- /* we have an xterm escape sequence: interpret it */
-
- /* rote_es_interpret_xterm_es(rt); -- TODO!*/
- cancel_escape_sequence(rt);
- }
-
- /* if the escape sequence took up all available space and could
- * not yet be parsed, abort it */
- if (rt->pd->esbuf_len + 1 >= ESEQ_BUF_SIZE)
- cancel_escape_sequence(rt);
-}
-
-int rote_vt_inject(RoteTerm *rt, const char *data, int len)
-{
- for (; len-- > 0; data++) {
- if ((unsigned char)*data <= 31) {
- handle_control_char(rt, *data);
- continue;
- }
-
- if (rt->pd->escaped && rt->pd->esbuf_len < ESEQ_BUF_SIZE) {
- /* append character to ongoing escape sequence */
- rt->pd->esbuf[rt->pd->esbuf_len] = *data;
- rt->pd->esbuf[++rt->pd->esbuf_len] = 0;
-
- try_interpret_escape_seq(rt);
- } else
- if (rt->pd->graphmode) {
- put_graphmode_char(rt, *data);
- } else {
- put_normal_char(rt, *data);
- }
- }
-
- return 0;
-}
-
-/****************************************************************************/
-/* CSI things */
-/****************************************************************************/
-
-/* interprets a 'set attribute' (SGR) CSI escape sequence */
-static void interpret_csi_SGR(RoteTerm *rt, int param[], int pcount)
-{
- int i;
-
- if (pcount == 0) {
- /* special case: reset attributes */
- rt->curattr = 0x70;
- return;
- }
-
- for (i = 0; i < pcount; i++) {
-
- // From http://vt100.net/docs/vt510-rm/SGR table 5-16
- // 0 All attributes off
- // 1 Bold
- // 4 Underline
- // 5 Blinking
- // 7 Negative image
- // 8 Invisible image
- // 10 The ASCII character set is the current 7-bit
- // display character set (default) - SCO Console only.
- // 11 Map Hex 00-7F of the PC character set codes
- // to the current 7-bit display character set
- // - SCO Console only.
- // 12 Map Hex 80-FF of the current character set to
- // the current 7-bit display character set - SCO
- // Console only.
- // 22 Bold off
- // 24 Underline off
- // 25 Blinking off
- // 27 Negative image off
- // 28 Invisible image off
-
- if (param[i] == 0) rt->curattr = 0x70;
- else if (param[i] == 1 || param[i] == 2 || param[i] == 4) /* set bold */
- ROTE_ATTR_MOD_BOLD(rt->curattr,1);
- else if (param[i] == 5) /* set blink */
- ROTE_ATTR_MOD_BLINK(rt->curattr,1);
- else if (param[i] == 7 || param[i] == 27) { /* reverse video */
- int fg = ROTE_ATTR_FG(rt->curattr);
- int bg = ROTE_ATTR_BG(rt->curattr);
- ROTE_ATTR_MOD_FG(rt->curattr, bg);
- ROTE_ATTR_MOD_BG(rt->curattr, fg);
- }
- else if (param[i] == 8) rt->curattr = 0x0; /* invisible */
- else if (param[i] == 22 || param[i] == 24) /* bold off */
- ROTE_ATTR_MOD_BOLD(rt->curattr,0);
- else if (param[i] == 25) /* blink off */
- ROTE_ATTR_MOD_BLINK(rt->curattr,0);
- else if (param[i] == 28) /* invisible off */
- rt->curattr = 0x70;
- else if (param[i] >= 30 && param[i] <= 37) /* set fg */
- ROTE_ATTR_MOD_FG(rt->curattr, param[i] - 30);
- else if (param[i] >= 40 && param[i] <= 47) /* set bg */
- ROTE_ATTR_MOD_BG(rt->curattr, param[i] - 40);
- else if (param[i] == 39) /* reset foreground to default */
- ROTE_ATTR_MOD_FG(rt->curattr, 7);
- else if (param[i] == 49) /* reset background to default */
- ROTE_ATTR_MOD_BG(rt->curattr, 0);
- }
-}
-
-/* interprets an 'erase display' (ED) escape sequence */
-static void interpret_csi_ED(RoteTerm *rt, int param[], int pcount)
-{
- int r, c;
- int start_row, start_col, end_row, end_col;
-
- /* decide range */
- if (pcount && param[0] == 2) {
- start_row = 0;
- start_col = 0;
- end_row = rt->rows - 1;
- end_col = rt->cols - 1;
- } else
- if (pcount && param[0] == 1) {
- start_row = 0;
- start_col = 0;
- end_row = rt->crow;
- end_col = rt->ccol;
- } else {
- start_row = rt->crow;
- start_col = rt->ccol;
- end_row = rt->rows - 1;
- end_col = rt->cols - 1;
- }
-
- /* clean range */
- for (r = start_row; r <= end_row; r++) {
- rt->line_dirty[r] = true;
-
- for (c = (r == start_row ? start_col : 0);
- c <= (r == end_row ? end_col : rt->cols - 1);
- c++)
- {
- rt->cells[r][c].ch = 0x20;
- rt->cells[r][c].attr = rt->curattr;
- }
- }
-}
-
-/* interprets a 'move cursor' (CUP) escape sequence */
-static void interpret_csi_CUP(RoteTerm *rt, int param[], int pcount)
-{
- if (pcount == 0) {
- /* special case */
- rt->crow = rt->ccol = 0;
- return;
- } else
- if (pcount < 2) {
- return; /* malformed */
- }
-
- rt->crow = param[0] - 1; /* convert from 1-based to 0-based */
- rt->ccol = param[1] - 1; /* convert from 1-based to 0-based */
-
- rt->curpos_dirty = true;
-
- clamp_cursor_to_bounds(rt);
-}
-
-/* Interpret the 'relative mode' sequences: CUU, CUD, CUF, CUB, CNL,
- * CPL, CHA, HPR, VPA, VPR, HPA */
-static void interpret_csi_C(RoteTerm *rt, char verb, int param[], int pcount)
-{
- int n = (pcount && param[0] > 0) ? param[0] : 1;
-
- switch (verb) {
- case 'A': rt->crow -= n; break;
- case 'B': case 'e': rt->crow += n; break;
- case 'C': case 'a': rt->ccol += n; break;
- case 'D': rt->ccol -= n; break;
- case 'E': rt->crow += n; rt->ccol = 0; break;
- case 'F': rt->crow -= n; rt->ccol = 0; break;
- case 'G': case '`': rt->ccol = param[0] - 1; break;
- case 'd': rt->crow = param[0] - 1; break;
- }
-
- rt->curpos_dirty = true;
- clamp_cursor_to_bounds(rt);
-}
-
-/* Interpret the 'erase line' escape sequence */
-static void interpret_csi_EL(RoteTerm *rt, int param[], int pcount)
-{
- int erase_start, erase_end, i;
- int cmd = pcount ? param[0] : 0;
-
- switch (cmd) {
- case 1: erase_start = 0; erase_end = rt->ccol; break;
- case 2: erase_start = 0; erase_end = rt->cols - 1; break;
- default: erase_start = rt->ccol; erase_end = rt->cols - 1; break;
- }
-
- for (i = erase_start; i <= erase_end; i++) {
- rt->cells[rt->crow][i].ch = 0x20;
- rt->cells[rt->crow][i].attr = rt->curattr;
- }
-
- rt->line_dirty[rt->crow] = true;
-}
-
-/* Interpret the 'insert blanks' sequence (ICH) */
-static void interpret_csi_ICH(RoteTerm *rt, int param[], int pcount)
-{
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i;
-
- for (i = rt->cols - 1; i >= rt->ccol + n; i--) {
- rt->cells[rt->crow][i] = rt->cells[rt->crow][i - n];
- }
-
- for (i = rt->ccol; i < rt->ccol + n; i++) {
- rt->cells[rt->crow][i].ch = 0x20;
- rt->cells[rt->crow][i].attr = rt->curattr;
- }
-
- rt->line_dirty[rt->crow] = true;
-}
-
-/* Interpret the 'delete chars' sequence (DCH) */
-static void interpret_csi_DCH(RoteTerm *rt, int param[], int pcount)
-{
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i;
-
- for (i = rt->ccol; i < rt->cols; i++) {
- if (i + n < rt->cols) {
- rt->cells[rt->crow][i] = rt->cells[rt->crow][i + n];
- } else {
- rt->cells[rt->crow][i].ch = 0x20;
- rt->cells[rt->crow][i].attr = rt->curattr;
- }
- }
-
- rt->line_dirty[rt->crow] = true;
-}
-
-/* Interpret an 'insert line' sequence (IL) */
-static void interpret_csi_IL(RoteTerm *rt, int param[], int pcount)
-{
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i, j;
-
- for (i = rt->pd->scrollbottom; i >= rt->crow + n; i--) {
- memcpy(rt->cells[i], rt->cells[i - n], sizeof(RoteCell) * rt->cols);
- }
-
- for (i = rt->crow; i < rt->crow + n && i <= rt->pd->scrollbottom; i++) {
- rt->line_dirty[i] = true;
- for (j = 0; j < rt->cols; j++) {
- rt->cells[i][j].ch = 0x20;
- rt->cells[i][j].attr = rt->curattr;
- }
- }
-
-}
-
-/* Interpret a 'delete line' sequence (DL) */
-static void interpret_csi_DL(RoteTerm *rt, int param[], int pcount)
-{
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i, j;
-
- for (i = rt->crow; i <= rt->pd->scrollbottom; i++) {
- rt->line_dirty[i] = true;
- if (i + n <= rt->pd->scrollbottom) {
- memcpy(rt->cells[i], rt->cells[i+n], sizeof(RoteCell) * rt->cols);
- } else {
- for (j = 0; j < rt->cols; j++) {
- rt->cells[i][j].ch = 0x20;
- rt->cells[i][j].attr = rt->curattr;
- }
- }
- }
-}
-
-/* Interpret an 'erase characters' (ECH) sequence */
-static void interpret_csi_ECH(RoteTerm *rt, int param[], int pcount)
-{
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i;
-
- for (i = rt->ccol; i < rt->ccol + n && i < rt->cols; i++) {
- rt->cells[rt->crow][i].ch = 0x20;
- rt->cells[rt->crow][i].attr = rt->curattr;
- }
-
- rt->line_dirty[rt->crow] = true;
-}
-
-/* Interpret a 'set scrolling region' (DECSTBM) sequence */
-static void interpret_csi_DECSTBM(RoteTerm *rt, int param[], int pcount)
-{
- int newtop, newbottom;
-
- if (!pcount) {
- newtop = 0;
- newbottom = rt->rows - 1;
- } else
- if (pcount < 2) {
- return; /* malformed */
- }
-
- newtop = param[0] - 1;
- newbottom = param[1] - 1;
-
- /* clamp to bounds */
- if (newtop < 0)
- newtop = 0;
- if (newtop >= rt->rows)
- newtop = rt->rows - 1;
- if (newbottom < 0)
- newbottom = 0;
- if (newbottom >= rt->rows)
- newbottom = rt->rows - 1;
-
- /* check for range validity */
- if (newtop > newbottom)
- return;
- rt->pd->scrolltop = newtop;
- rt->pd->scrollbottom = newbottom;
-}
-
-static void
-interpret_csi_SAVECUR(RoteTerm *rt,
- int param[] __attribute__((unused)),
- int pcount __attribute__((unused)))
-{
- rt->pd->saved_x = rt->ccol;
- rt->pd->saved_y = rt->crow;
-}
-
-static void
-interpret_csi_RESTORECUR(RoteTerm *rt,
- int param[] __attribute__((unused)),
- int pcount __attribute__((unused)))
-{
- rt->ccol = rt->pd->saved_x;
- rt->crow = rt->pd->saved_y;
- rt->curpos_dirty = true;
-}
-
-void rote_es_interpret_csi(RoteTerm *rt)
-{
- static int csiparam[MAX_CSI_ES_PARAMS];
- int param_count = 0;
- const char *p = rt->pd->esbuf + 1;
- char verb = rt->pd->esbuf[rt->pd->esbuf_len - 1];
-
- if (!strncmp(rt->pd->esbuf, "[?", 2)) { /* private-mode CSI, ignore */
- return;
- }
-
- /* parse numeric parameters */
- while (isdigit((unsigned char)*p) || *p == ';') {
- if (*p == ';') {
- if (param_count >= MAX_CSI_ES_PARAMS) return; /* too long! */
- csiparam[param_count++] = 0;
- } else {
- if (param_count == 0) csiparam[param_count++] = 0;
- csiparam[param_count - 1] *= 10;
- csiparam[param_count - 1] += *p - '0';
- }
-
- p++;
- }
-
- /* delegate handling depending on command character (verb) */
- switch (verb) {
- case 'h':
- if (param_count == 1 && csiparam[0] == 4) /* insert mode */
- rt->insert = true;
- break;
- case 'l':
- if (param_count == 1 && csiparam[0] == 4) /* replace mode */
- rt->insert = false;
- break;
- case 'm': /* it's a 'set attribute' sequence */
- interpret_csi_SGR(rt, csiparam, param_count); break;
- case 'J': /* it's an 'erase display' sequence */
- interpret_csi_ED(rt, csiparam, param_count); break;
- case 'H': case 'f': /* it's a 'move cursor' sequence */
- interpret_csi_CUP(rt, csiparam, param_count); break;
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
- case 'e': case 'a': case 'd': case '`':
- /* it is a 'relative move' */
- interpret_csi_C(rt, verb, csiparam, param_count); break;
- case 'K': /* erase line */
- interpret_csi_EL(rt, csiparam, param_count); break;
- case '@': /* insert characters */
- interpret_csi_ICH(rt, csiparam, param_count); break;
- case 'P': /* delete characters */
- interpret_csi_DCH(rt, csiparam, param_count); break;
- case 'L': /* insert lines */
- interpret_csi_IL(rt, csiparam, param_count); break;
- case 'M': /* delete lines */
- interpret_csi_DL(rt, csiparam, param_count); break;
- case 'X': /* erase chars */
- interpret_csi_ECH(rt, csiparam, param_count); break;
- case 'r': /* set scrolling region */
- interpret_csi_DECSTBM(rt, csiparam, param_count); break;
- case 's': /* save cursor location */
- interpret_csi_SAVECUR(rt, csiparam, param_count); break;
- case 'u': /* restore cursor location */
- interpret_csi_RESTORECUR(rt, csiparam, param_count); break;
- default:
- break;
- }
-}
-
Copyright © 2006 Pierre Habouzit
*/
+#include <ctype.h>
#include <errno.h>
-#include <stdlib.h>
#include <fcntl.h>
+#include <pty.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include "madtty.h"
-#include "madtty_priv.h"
+
+#define MAX_CSI_ES_PARAMS 32
+#define ESEQ_BUF_SIZE 128 /* size of escape sequence buffer */
+
+/* Terminal private data */
+struct RoteTermPrivate_ {
+ unsigned escaped : 1; /* whether we are currently reading an
+ * escape sequence */
+
+ unsigned graphmode : 1; /* whether terminal is in graphical
+ * character mode or not */
+
+ int scrolltop, scrollbottom; /* current scrolling region of terminal */
+ int saved_x, saved_y; /* saved cursor position */
+
+ char esbuf[ESEQ_BUF_SIZE]; /* 0-terminated string. Does NOT include
+ * the initial escape (\x1B) character. */
+ int esbuf_len; /* length of buffer. The following property
+ * is always kept: esbuf[esbuf_len] == '\0' */
+};
+
+static void clamp_cursor_to_bounds(RoteTerm *rt)
+{
+ if (rt->crow < 0) {
+ rt->curpos_dirty = true;
+ rt->crow = 0;
+ }
+ if (rt->ccol < 0) {
+ rt->curpos_dirty = true;
+ rt->ccol = 0;
+ }
+
+ if (rt->crow >= rt->rows) {
+ rt->curpos_dirty = true;
+ rt->crow = rt->rows - 1;
+ }
+ if (rt->ccol >= rt->cols) {
+ rt->curpos_dirty = true;
+ rt->ccol = rt->cols - 1;
+ }
+}
+
+static void cursor_line_down(RoteTerm *rt)
+{
+ int i;
+
+ rt->crow++;
+ rt->curpos_dirty = true;
+ if (rt->crow <= rt->pd->scrollbottom)
+ return;
+
+ /* must scroll the scrolling region up by 1 line, and put cursor on
+ * last line of it */
+ rt->crow = rt->pd->scrollbottom;
+
+ for (i = rt->pd->scrolltop; i < rt->pd->scrollbottom; i++) {
+ rt->line_dirty[i] = true;
+ memcpy(rt->cells[i], rt->cells[i+1], sizeof(RoteCell) * rt->cols);
+ }
+
+ rt->line_dirty[rt->pd->scrollbottom] = true;
+
+ /* clear last row of the scrolling region */
+ for (i = 0; i < rt->cols; i++) {
+ rt->cells[rt->pd->scrollbottom][i].s[0] = 0x20;
+ rt->cells[rt->pd->scrollbottom][i].len = 1;
+ rt->cells[rt->pd->scrollbottom][i].attr = 0x70;
+ }
+}
+
+static void cursor_line_up(RoteTerm *rt)
+{
+ int i;
+
+ rt->crow--;
+ rt->curpos_dirty = true;
+ if (rt->crow >= rt->pd->scrolltop)
+ return;
+
+ /* must scroll the scrolling region up by 1 line, and put cursor on
+ * first line of it */
+ rt->crow = rt->pd->scrolltop;
+
+ for (i = rt->pd->scrollbottom; i > rt->pd->scrolltop; i--) {
+ rt->line_dirty[i] = true;
+ memcpy(rt->cells[i], rt->cells[i-1], sizeof(RoteCell) * rt->cols);
+ }
+
+ rt->line_dirty[rt->pd->scrolltop] = true;
+
+ /* clear first row of the scrolling region */
+ for (i = 0; i < rt->cols; i++) {
+ rt->cells[rt->pd->scrolltop][i].s[0] = 0x20;
+ rt->cells[rt->pd->scrolltop][i].len = 1;
+ rt->cells[rt->pd->scrolltop][i].attr = 0x70;
+ }
+}
+
+static void put_normal_char(RoteTerm *rt, const char *s, int len)
+{
+ if (rt->ccol >= rt->cols) {
+ rt->ccol = 0;
+ cursor_line_down(rt);
+ }
+
+ if (rt->insert) {
+ int i;
+
+ for (i = rt->cols - 1; i >= rt->ccol+1; i--) {
+ rt->cells[rt->crow][i] = rt->cells[rt->crow][i-1];
+ }
+ }
+
+ memcpy(rt->cells[rt->crow][rt->ccol].s, s, len);
+ rt->cells[rt->crow][rt->ccol].len = len;
+ rt->cells[rt->crow][rt->ccol].attr = rt->curattr;
+ rt->ccol++;
+
+ rt->line_dirty[rt->crow] = true;
+ rt->curpos_dirty = true;
+}
+
+static void put_graphmode_char(RoteTerm *rt, int c)
+{
+ char nc;
+ /* do some very pitiful translation to regular ascii chars */
+ switch (c) {
+ case 'j': case 'k': case 'l': case 'm': case 'n': case 't':
+ case 'u': case 'v': case 'w':
+ nc = '+'; break;
+ case 'x':
+ nc = '|'; break;
+ default:
+ nc = '%';
+ }
+
+ put_normal_char(rt, &nc, 1);
+}
+
+static void new_escape_sequence(RoteTerm *rt)
+{
+ rt->pd->escaped = true;
+ rt->pd->esbuf_len = 0;
+ rt->pd->esbuf[0] = '\0';
+}
+
+static void cancel_escape_sequence(RoteTerm *rt)
+{
+ rt->pd->escaped = false;
+ rt->pd->esbuf_len = 0;
+ rt->pd->esbuf[0] = '\0';
+}
+
+static void handle_control_char(RoteTerm *rt, int c)
+{
+ switch (c) {
+ case '\r': /* carriage return */
+ rt->ccol = 0;
+ break;
+
+ case '\n': /* line feed */
+ rt->ccol = 0;
+ cursor_line_down(rt);
+ rt->curpos_dirty = true;
+ break;
+
+ case '\b': /* backspace */
+ if (rt->ccol > 0)
+ rt->ccol--;
+ rt->curpos_dirty = true;
+ break;
+
+ case '\t': /* tab */
+ rt->ccol = (rt->ccol + 8) & ~7;
+ clamp_cursor_to_bounds(rt);
+ break;
+
+ case '\x1b': /* begin escape sequence (aborting previous one if any) */
+ new_escape_sequence(rt);
+ break;
+
+ case '\x0e': /* enter graphical character mode */
+ rt->pd->graphmode = true;
+ break;
+
+ case '\x0f': /* exit graphical character mode */
+ rt->pd->graphmode = false;
+ break;
+
+ case '\x9b': /* CSI character. Equivalent to ESC [ */
+ new_escape_sequence(rt);
+ rt->pd->esbuf[rt->pd->esbuf_len++] = '[';
+ break;
+
+ case '\x18':
+ case '\x1a': /* these interrupt escape sequences */
+ cancel_escape_sequence(rt);
+ break;
+
+ case '\a': /* bell */
+ /* do nothing for now... maybe a visual bell would be nice? */
+ break;
+ }
+}
+
+static bool is_valid_csi_ender(int c)
+{
+ return (c >= 'a' && c <= 'z')
+ || (c >= 'A' && c <= 'Z')
+ || (c == '@' || c == '`');
+}
+
+static void rote_es_interpret_csi(RoteTerm *rt);
+
+static void try_interpret_escape_seq(RoteTerm *rt)
+{
+ char firstchar = rt->pd->esbuf[0];
+ char lastchar = rt->pd->esbuf[rt->pd->esbuf_len-1];
+
+ if (!firstchar)
+ return; /* too early to do anything */
+
+ /* interpret ESC-M as reverse line-feed */
+ if (firstchar == 'M') {
+ cursor_line_up(rt);
+ cancel_escape_sequence(rt);
+ return;
+ }
+
+ if (firstchar != '[' && firstchar != ']') {
+ /* unrecognized escape sequence. Let's forget about it. */
+ cancel_escape_sequence(rt);
+ return;
+ }
+
+ if (firstchar == '[' && is_valid_csi_ender(lastchar)) {
+ /* we have a csi escape sequence: interpret it */
+ rote_es_interpret_csi(rt);
+ cancel_escape_sequence(rt);
+ } else if (firstchar == ']' && lastchar == '\a') {
+ /* we have an xterm escape sequence: interpret it */
+
+ /* rote_es_interpret_xterm_es(rt); -- TODO!*/
+ cancel_escape_sequence(rt);
+ }
+
+ /* if the escape sequence took up all available space and could
+ * not yet be parsed, abort it */
+ if (rt->pd->esbuf_len + 1 >= ESEQ_BUF_SIZE)
+ cancel_escape_sequence(rt);
+}
+
+int rote_vt_inject(RoteTerm *rt, const char *data, int len)
+{
+ int pos;
+
+ for (pos = 0; pos < len; pos++) {
+ if ((unsigned char)data[pos] <= 31) {
+ handle_control_char(rt, data[pos]);
+ continue;
+ }
+
+ if (rt->pd->escaped && rt->pd->esbuf_len < ESEQ_BUF_SIZE) {
+ /* append character to ongoing escape sequence */
+ rt->pd->esbuf[rt->pd->esbuf_len] = data[pos];
+ rt->pd->esbuf[++rt->pd->esbuf_len] = 0;
+
+ try_interpret_escape_seq(rt);
+ } else
+ if (rt->pd->graphmode) {
+ put_graphmode_char(rt, data[pos]);
+ } else {
+ static int8_t const lens[5] = { 1, -1, 2, 3, 4 };
+ int bsf = __builtin_clz(~((unsigned char)data[pos] << 24));
+
+ if (pos + lens[bsf] > len)
+ return pos;
+
+ put_normal_char(rt, data + pos, lens[bsf]);
+ pos += lens[bsf] - 1;
+ }
+ }
+
+ return len;
+}
+
+/****************************************************************************/
+/* CSI things */
+/****************************************************************************/
+
+/* interprets a 'set attribute' (SGR) CSI escape sequence */
+static void interpret_csi_SGR(RoteTerm *rt, int param[], int pcount)
+{
+ int i;
+
+ if (pcount == 0) {
+ /* special case: reset attributes */
+ rt->curattr = 0x70;
+ return;
+ }
+
+ for (i = 0; i < pcount; i++) {
+
+ // From http://vt100.net/docs/vt510-rm/SGR table 5-16
+ // 0 All attributes off
+ // 1 Bold
+ // 4 Underline
+ // 5 Blinking
+ // 7 Negative image
+ // 8 Invisible image
+ // 10 The ASCII character set is the current 7-bit
+ // display character set (default) - SCO Console only.
+ // 11 Map Hex 00-7F of the PC character set codes
+ // to the current 7-bit display character set
+ // - SCO Console only.
+ // 12 Map Hex 80-FF of the current character set to
+ // the current 7-bit display character set - SCO
+ // Console only.
+ // 22 Bold off
+ // 24 Underline off
+ // 25 Blinking off
+ // 27 Negative image off
+ // 28 Invisible image off
+
+ if (param[i] == 0) rt->curattr = 0x70;
+ else if (param[i] == 1 || param[i] == 2 || param[i] == 4) /* set bold */
+ ROTE_ATTR_MOD_BOLD(rt->curattr,1);
+ else if (param[i] == 5) /* set blink */
+ ROTE_ATTR_MOD_BLINK(rt->curattr,1);
+ else if (param[i] == 7 || param[i] == 27) { /* reverse video */
+ int fg = ROTE_ATTR_FG(rt->curattr);
+ int bg = ROTE_ATTR_BG(rt->curattr);
+ ROTE_ATTR_MOD_FG(rt->curattr, bg);
+ ROTE_ATTR_MOD_BG(rt->curattr, fg);
+ }
+ else if (param[i] == 8) rt->curattr = 0x0; /* invisible */
+ else if (param[i] == 22 || param[i] == 24) /* bold off */
+ ROTE_ATTR_MOD_BOLD(rt->curattr,0);
+ else if (param[i] == 25) /* blink off */
+ ROTE_ATTR_MOD_BLINK(rt->curattr,0);
+ else if (param[i] == 28) /* invisible off */
+ rt->curattr = 0x70;
+ else if (param[i] >= 30 && param[i] <= 37) /* set fg */
+ ROTE_ATTR_MOD_FG(rt->curattr, param[i] - 30);
+ else if (param[i] >= 40 && param[i] <= 47) /* set bg */
+ ROTE_ATTR_MOD_BG(rt->curattr, param[i] - 40);
+ else if (param[i] == 39) /* reset foreground to default */
+ ROTE_ATTR_MOD_FG(rt->curattr, 7);
+ else if (param[i] == 49) /* reset background to default */
+ ROTE_ATTR_MOD_BG(rt->curattr, 0);
+ }
+}
+
+/* interprets an 'erase display' (ED) escape sequence */
+static void interpret_csi_ED(RoteTerm *rt, int param[], int pcount)
+{
+ int r, c;
+ int start_row, start_col, end_row, end_col;
+
+ /* decide range */
+ if (pcount && param[0] == 2) {
+ start_row = 0;
+ start_col = 0;
+ end_row = rt->rows - 1;
+ end_col = rt->cols - 1;
+ } else
+ if (pcount && param[0] == 1) {
+ start_row = 0;
+ start_col = 0;
+ end_row = rt->crow;
+ end_col = rt->ccol;
+ } else {
+ start_row = rt->crow;
+ start_col = rt->ccol;
+ end_row = rt->rows - 1;
+ end_col = rt->cols - 1;
+ }
+
+ /* clean range */
+ for (r = start_row; r <= end_row; r++) {
+ rt->line_dirty[r] = true;
+
+ for (c = (r == start_row ? start_col : 0);
+ c <= (r == end_row ? end_col : rt->cols - 1);
+ c++)
+ {
+ rt->cells[r][c].s[0] = 0x20;
+ rt->cells[r][c].len = 1;
+ rt->cells[r][c].attr = rt->curattr;
+ }
+ }
+}
+
+/* interprets a 'move cursor' (CUP) escape sequence */
+static void interpret_csi_CUP(RoteTerm *rt, int param[], int pcount)
+{
+ if (pcount == 0) {
+ /* special case */
+ rt->crow = rt->ccol = 0;
+ return;
+ } else
+ if (pcount < 2) {
+ return; /* malformed */
+ }
+
+ rt->crow = param[0] - 1; /* convert from 1-based to 0-based */
+ rt->ccol = param[1] - 1; /* convert from 1-based to 0-based */
+
+ rt->curpos_dirty = true;
+
+ clamp_cursor_to_bounds(rt);
+}
+
+/* Interpret the 'relative mode' sequences: CUU, CUD, CUF, CUB, CNL,
+ * CPL, CHA, HPR, VPA, VPR, HPA */
+static void interpret_csi_C(RoteTerm *rt, char verb, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+
+ switch (verb) {
+ case 'A': rt->crow -= n; break;
+ case 'B': case 'e': rt->crow += n; break;
+ case 'C': case 'a': rt->ccol += n; break;
+ case 'D': rt->ccol -= n; break;
+ case 'E': rt->crow += n; rt->ccol = 0; break;
+ case 'F': rt->crow -= n; rt->ccol = 0; break;
+ case 'G': case '`': rt->ccol = param[0] - 1; break;
+ case 'd': rt->crow = param[0] - 1; break;
+ }
+
+ rt->curpos_dirty = true;
+ clamp_cursor_to_bounds(rt);
+}
+
+/* Interpret the 'erase line' escape sequence */
+static void interpret_csi_EL(RoteTerm *rt, int param[], int pcount)
+{
+ int erase_start, erase_end, i;
+ int cmd = pcount ? param[0] : 0;
+
+ switch (cmd) {
+ case 1: erase_start = 0; erase_end = rt->ccol; break;
+ case 2: erase_start = 0; erase_end = rt->cols - 1; break;
+ default: erase_start = rt->ccol; erase_end = rt->cols - 1; break;
+ }
+
+ for (i = erase_start; i <= erase_end; i++) {
+ rt->cells[rt->crow][i].s[0] = 0x20;
+ rt->cells[rt->crow][i].len = 1;
+ rt->cells[rt->crow][i].attr = rt->curattr;
+ }
+
+ rt->line_dirty[rt->crow] = true;
+}
+
+/* Interpret the 'insert blanks' sequence (ICH) */
+static void interpret_csi_ICH(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i;
+
+ for (i = rt->cols - 1; i >= rt->ccol + n; i--) {
+ rt->cells[rt->crow][i] = rt->cells[rt->crow][i - n];
+ }
+
+ for (i = rt->ccol; i < rt->ccol + n; i++) {
+ rt->cells[rt->crow][i].s[0] = 0x20;
+ rt->cells[rt->crow][i].len = 1;
+ rt->cells[rt->crow][i].attr = rt->curattr;
+ }
+
+ rt->line_dirty[rt->crow] = true;
+}
+
+/* Interpret the 'delete chars' sequence (DCH) */
+static void interpret_csi_DCH(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i;
+
+ for (i = rt->ccol; i < rt->cols; i++) {
+ if (i + n < rt->cols) {
+ rt->cells[rt->crow][i] = rt->cells[rt->crow][i + n];
+ } else {
+ rt->cells[rt->crow][i].s[0] = 0x20;
+ rt->cells[rt->crow][i].len = 1;
+ rt->cells[rt->crow][i].attr = rt->curattr;
+ }
+ }
+
+ rt->line_dirty[rt->crow] = true;
+}
+
+/* Interpret an 'insert line' sequence (IL) */
+static void interpret_csi_IL(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i, j;
+
+ for (i = rt->pd->scrollbottom; i >= rt->crow + n; i--) {
+ memcpy(rt->cells[i], rt->cells[i - n], sizeof(RoteCell) * rt->cols);
+ }
+
+ for (i = rt->crow; i < rt->crow + n && i <= rt->pd->scrollbottom; i++) {
+ rt->line_dirty[i] = true;
+ for (j = 0; j < rt->cols; j++) {
+ rt->cells[i][j].s[0] = 0x20;
+ rt->cells[i][j].len = 1;
+ rt->cells[i][j].attr = rt->curattr;
+ }
+ }
+
+}
+
+/* Interpret a 'delete line' sequence (DL) */
+static void interpret_csi_DL(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i, j;
+
+ for (i = rt->crow; i <= rt->pd->scrollbottom; i++) {
+ rt->line_dirty[i] = true;
+ if (i + n <= rt->pd->scrollbottom) {
+ memcpy(rt->cells[i], rt->cells[i+n], sizeof(RoteCell) * rt->cols);
+ } else {
+ for (j = 0; j < rt->cols; j++) {
+ rt->cells[i][j].s[0] = 0x20;
+ rt->cells[i][j].len = 1;
+ rt->cells[i][j].attr = rt->curattr;
+ }
+ }
+ }
+}
+
+/* Interpret an 'erase characters' (ECH) sequence */
+static void interpret_csi_ECH(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i;
+
+ for (i = rt->ccol; i < rt->ccol + n && i < rt->cols; i++) {
+ rt->cells[rt->crow][i].s[0] = 0x20;
+ rt->cells[rt->crow][i].len = 1;
+ rt->cells[rt->crow][i].attr = rt->curattr;
+ }
+
+ rt->line_dirty[rt->crow] = true;
+}
+
+/* Interpret a 'set scrolling region' (DECSTBM) sequence */
+static void interpret_csi_DECSTBM(RoteTerm *rt, int param[], int pcount)
+{
+ int newtop, newbottom;
+
+ if (!pcount) {
+ newtop = 0;
+ newbottom = rt->rows - 1;
+ } else
+ if (pcount < 2) {
+ return; /* malformed */
+ }
+
+ newtop = param[0] - 1;
+ newbottom = param[1] - 1;
+
+ /* clamp to bounds */
+ if (newtop < 0)
+ newtop = 0;
+ if (newtop >= rt->rows)
+ newtop = rt->rows - 1;
+ if (newbottom < 0)
+ newbottom = 0;
+ if (newbottom >= rt->rows)
+ newbottom = rt->rows - 1;
+
+ /* check for range validity */
+ if (newtop > newbottom)
+ return;
+ rt->pd->scrolltop = newtop;
+ rt->pd->scrollbottom = newbottom;
+}
+
+static void
+interpret_csi_SAVECUR(RoteTerm *rt,
+ int param[] __attribute__((unused)),
+ int pcount __attribute__((unused)))
+{
+ rt->pd->saved_x = rt->ccol;
+ rt->pd->saved_y = rt->crow;
+}
+
+static void
+interpret_csi_RESTORECUR(RoteTerm *rt,
+ int param[] __attribute__((unused)),
+ int pcount __attribute__((unused)))
+{
+ rt->ccol = rt->pd->saved_x;
+ rt->crow = rt->pd->saved_y;
+ rt->curpos_dirty = true;
+}
+
+static void rote_es_interpret_csi(RoteTerm *rt)
+{
+ static int csiparam[MAX_CSI_ES_PARAMS];
+ int param_count = 0;
+ const char *p = rt->pd->esbuf + 1;
+ char verb = rt->pd->esbuf[rt->pd->esbuf_len - 1];
+
+ if (!strncmp(rt->pd->esbuf, "[?", 2)) { /* private-mode CSI, ignore */
+ return;
+ }
+
+ /* parse numeric parameters */
+ while (isdigit((unsigned char)*p) || *p == ';') {
+ if (*p == ';') {
+ if (param_count >= MAX_CSI_ES_PARAMS) return; /* too long! */
+ csiparam[param_count++] = 0;
+ } else {
+ if (param_count == 0) csiparam[param_count++] = 0;
+ csiparam[param_count - 1] *= 10;
+ csiparam[param_count - 1] += *p - '0';
+ }
+
+ p++;
+ }
+
+ /* delegate handling depending on command character (verb) */
+ switch (verb) {
+ case 'h':
+ if (param_count == 1 && csiparam[0] == 4) /* insert mode */
+ rt->insert = true;
+ break;
+ case 'l':
+ if (param_count == 1 && csiparam[0] == 4) /* replace mode */
+ rt->insert = false;
+ break;
+ case 'm': /* it's a 'set attribute' sequence */
+ interpret_csi_SGR(rt, csiparam, param_count); break;
+ case 'J': /* it's an 'erase display' sequence */
+ interpret_csi_ED(rt, csiparam, param_count); break;
+ case 'H': case 'f': /* it's a 'move cursor' sequence */
+ interpret_csi_CUP(rt, csiparam, param_count); break;
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
+ case 'e': case 'a': case 'd': case '`':
+ /* it is a 'relative move' */
+ interpret_csi_C(rt, verb, csiparam, param_count); break;
+ case 'K': /* erase line */
+ interpret_csi_EL(rt, csiparam, param_count); break;
+ case '@': /* insert characters */
+ interpret_csi_ICH(rt, csiparam, param_count); break;
+ case 'P': /* delete characters */
+ interpret_csi_DCH(rt, csiparam, param_count); break;
+ case 'L': /* insert lines */
+ interpret_csi_IL(rt, csiparam, param_count); break;
+ case 'M': /* delete lines */
+ interpret_csi_DL(rt, csiparam, param_count); break;
+ case 'X': /* erase chars */
+ interpret_csi_ECH(rt, csiparam, param_count); break;
+ case 'r': /* set scrolling region */
+ interpret_csi_DECSTBM(rt, csiparam, param_count); break;
+ case 's': /* save cursor location */
+ interpret_csi_SAVECUR(rt, csiparam, param_count); break;
+ case 'u': /* restore cursor location */
+ interpret_csi_RESTORECUR(rt, csiparam, param_count); break;
+ default:
+ break;
+ }
+}
RoteTerm *rote_vt_create(int rows, int cols)
{
RoteTerm *rt;
- int i, j;
+ int i;
if (rows <= 0 || cols <= 0)
return NULL;
rt->insert = false;
/* create the cell matrix */
- rt->cells = (RoteCell**) malloc(sizeof(RoteCell*) * rt->rows);
+ rt->cells = (RoteCell**)calloc(sizeof(RoteCell*), rt->rows);
for (i = 0; i < rt->rows; i++) {
- /* create row */
- rt->cells[i] = (RoteCell*) malloc(sizeof(RoteCell) * rt->cols);
-
- /* fill row with spaces */
- for (j = 0; j < rt->cols; j++) {
- rt->cells[i][j].ch = 0x20; /* a space */
- rt->cells[i][j].attr = 0x70; /* white text, black background */
- }
+ rt->cells[i] = (RoteCell*)calloc(sizeof(RoteCell), rt->cols);
}
/* allocate dirtiness array */
free(rt);
}
-#ifdef USE_NCURSES
-
-static void default_cur_set_attr(WINDOW *win, unsigned char attr)
+static void cur_set_attr(WINDOW *win, uint8_t attr)
{
- int cp = ROTE_ATTR_BG(attr) * 8 + 7 - ROTE_ATTR_FG(attr);
- if (!cp) wattrset(win, A_NORMAL);
- else wattrset(win, COLOR_PAIR(cp));
+ unsigned cp = ROTE_ATTR_BG(attr) * 8 + 7 - ROTE_ATTR_FG(attr);
+ wattrset(win, cp ? COLOR_PAIR(cp) : A_NORMAL);
- if (ROTE_ATTR_BOLD(attr)) wattron(win, A_BOLD);
- if (ROTE_ATTR_BLINK(attr)) wattron(win, A_BLINK);
+ if (ROTE_ATTR_BOLD(attr))
+ wattron(win, A_BOLD);
+ if (ROTE_ATTR_BLINK(attr))
+ wattron(win, A_BLINK);
}
-static inline unsigned char ensure_printable(unsigned int ch)
+static unsigned ensure_printable(unsigned ch)
{
return ch >= 32 ? ch : 32;
}
-void rote_vt_draw(RoteTerm *rt, WINDOW *win, int srow, int scol,
- void (*cur_set_attr)(WINDOW*,unsigned char)) {
-
+void rote_vt_draw(RoteTerm *rt, WINDOW *win, int srow, int scol)
+{
int i, j;
- if (!cur_set_attr)
- cur_set_attr = default_cur_set_attr;
-
for (i = 0; i < rt->rows; i++) {
wmove(win, srow + i, scol);
for (j = 0; j < rt->cols; j++) {
- (*cur_set_attr)(win, rt->cells[i][j].attr);
- waddch(win, ensure_printable(rt->cells[i][j].ch));
+ cur_set_attr(win, rt->cells[i][j].attr);
+ if (rt->cells[i][j].len && rt->cells[i][j].s[0] >= ' ') {
+ waddnstr(win, rt->cells[i][j].s, rt->cells[i][j].len);
+ } else {
+ waddch(win, ' ');
+ }
}
}
wmove(win, srow + rt->crow, scol + rt->ccol);
}
-#endif
-
/******************************************************/
-#define PTYCHAR1 "pqrstuvwxyz"
-#define PTYCHAR2 "0123456789abcdef"
-
-/* allocate one pty/tty pair */
-static int get_pty(char *tty_str)
-{
- int fd;
- char ptydev[] = "/dev/pty??";
- char ttydev[] = "/dev/tty??";
- int len = strlen(ttydev);
- const char *c1, *c2;
-
- for (c1 = PTYCHAR1; *c1; c1++) {
- ptydev[len-2] = ttydev[len-2] = *c1;
- for (c2 = PTYCHAR2; *c2; c2++) {
- ptydev[len-1] = ttydev[len-1] = *c2;
- if ((fd = open(ptydev, O_RDWR)) >= 0) {
- if (access(ttydev, R_OK|W_OK) == 0) {
- strcpy(tty_str, ttydev);
- return fd;
- }
- close(fd);
- }
- }
- }
- return -1;
-}
-
-static int
-run_process(const char *path, const char **argv, int *fd_ptr, int *pid_ptr)
-{
- int pty_fd, pid, i, nb_fds;
- char tty_name[32];
+pid_t rote_vt_forkpty(RoteTerm *rt, const char *path, const char *argv[])
+{
struct winsize ws;
+ pid_t pid;
- pty_fd = get_pty(tty_name);
- if (pty_fd < 0)
- return -1;
-
- fcntl(pty_fd, F_SETFL, O_NONBLOCK);
-
- /* set dummy screen size */
- ws.ws_col = 80;
- ws.ws_row = 25;
- ws.ws_xpixel = ws.ws_col;
- ws.ws_ypixel = ws.ws_row;
- ioctl(pty_fd, TIOCSWINSZ, &ws);
+ ws.ws_row = rt->rows;
+ ws.ws_col = rt->cols;
+ ws.ws_xpixel = ws.ws_ypixel = 0;
- pid = fork();
+ pid = forkpty(&rt->pty, NULL, NULL, &ws);
if (pid < 0)
return -1;
if (pid == 0) {
- /* child process */
- nb_fds = getdtablesize();
- for (i = 0; i < nb_fds; i++)
- close(i);
- /* open pseudo tty for standard i/o */
- open(tty_name, O_RDWR);
- dup(0);
- dup(0);
-
setsid();
setenv("TERM", "linux", 1);
fprintf(stderr, "\nexecv() failed.\nCommand: '%s'\n", argv[0]);
exit(1);
}
- /* return file info */
- *fd_ptr = pty_fd;
- *pid_ptr = pid;
- return 0;
-}
-
-pid_t rote_vt_forkpty(RoteTerm *rt, const char *path, const char *argv[])
-{
- struct winsize ws;
-
- ws.ws_row = rt->rows;
- ws.ws_col = rt->cols;
- ws.ws_xpixel = ws.ws_ypixel = 0;
-
- if (run_process(path, argv, &rt->pty, &rt->childpid)) {
- return -1;
- }
-
- ioctl(rt->pty, TIOCSWINSZ, &ws);
- return rt->childpid;
-}
-void rote_vt_forsake_child(RoteTerm *rt)
-{
- if (rt->pty >= 0)
- close(rt->pty);
- rt->pty = -1;
- rt->childpid = 0;
+ return rt->childpid = pid;
}
int rote_vt_read(RoteTerm *rt, char *buf, int buflen)
return -1;
}
- again:
+again:
res = write(rt->pty, data, len);
if (res < 0) {
if (errno == EINTR || errno == EAGAIN)
return res;
}
-void *rote_vt_take_snapshot(RoteTerm *rt)
-{
- const int bytes_per_row = sizeof(RoteCell) * rt->cols;
- void *buf = malloc(bytes_per_row * rt->rows);
- void *ptr = buf;
- int i;
-
- for (i = 0; i < rt->rows; i++) {
- memcpy(ptr, rt->cells[i], bytes_per_row);
- ptr = (char *)ptr + bytes_per_row;
- }
-
- return buf;
-}
-
-void rote_vt_restore_snapshot(RoteTerm *rt, void *snapbuf)
-{
- const int bytes_per_row = sizeof(RoteCell) * rt->cols;
-
- int i;
-
- for (i = 0; i < rt->rows; i++) {
- rt->line_dirty[i] = true;
- memcpy(rt->cells[i], snapbuf, bytes_per_row);
- snapbuf = (char *)snapbuf + bytes_per_row;
- }
-}
-
static const char *keytable[KEY_MAX+1];
static void keytable_init()
#ifndef MADTTY_MADTTY_H
#define MADTTY_MADTTY_H
-#ifdef USE_NCURSES
-#include <ncurses.h>
-#else
+#include <ncursesw/curses.h>
#include <stdbool.h>
-#endif
+#include <stdint.h>
+#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
-#include <stdlib.h>
/* Color codes: 0 = black, 1 = red, 2 = green, 3 = yellow, 4 = blue,
* 5 = magenta, 6 = cyan, 7 = white.
/* Represents each of the text cells in the terminal screen */
typedef struct RoteCell_ {
- unsigned int ch; /* >= 32, that is, control characters are not
- * allowed to be on the virtual screen */
-
- unsigned char attr; /* a color attribute, as described previously */
+ char s[4];
+ char len;
+ uint8_t attr; /* a color attribute, as described previously */
} RoteCell;
/* Declaration of opaque rote_Term_Private structure */
int crow, ccol; /* cursor coordinates. READ-ONLY. */
- unsigned char curattr; /* current attribute, that is the attribute
+ uint8_t curattr; /* current attribute, that is the attribute
* that will be used for newly inserted
* characters */
RoteTermPrivate *pd; /* private state data */
- bool insert; /* insert or replace mode */
+ unsigned insert : 1; /* insert or replace mode */
/* --- dirtiness flags: the following flags will be raised when the
* corresponding items are modified. They can only be unset by YOU
* (when, for example, you redraw the term or something) --- */
- bool curpos_dirty; /* whether cursor location has changed */
+ unsigned curpos_dirty : 1; /* whether cursor location has changed */
bool *line_dirty; /* whether each row is dirty */
/* --- end dirtiness flags */
} RoteTerm;
*/
pid_t rote_vt_forkpty(RoteTerm *rt, const char *path, const char *argv[]);
-/* Disconnects the RoteTerm from its forked child process. This function
- * should be called when the child process dies or something of the sort.
- * It is not strictly necessary to call this function, but it is
- * certainly tidy. */
-void rote_vt_forsake_child(RoteTerm *rt);
-
int rote_vt_read(RoteTerm *rt, char *buf, int buflen);
int rote_vt_write(RoteTerm *rt, const char *data, int length);
* to use rote_vt_write.
*/
int rote_vt_inject(RoteTerm *rt, const char *data, int length);
+void rote_vt_draw(RoteTerm *rt, WINDOW *win, int startrow, int startcol);
-#ifdef USE_NCURSES
-/* Paints the virtual terminal screen on the given window, putting
- * the top-left corner at the given position. The cur_set_attr
- * function must set the curses attributes given a Rote attribute
- * byte. It should, for example, do wattrset(win, COLOR_PAIR(n)) where
- * n is the colorpair appropriate for the attribute and such.
- *
- * If you pass NULL for cur_set_attr, the default implementation will
- * set the color pair given by (bg * 8 + 7 - fg), which seems to be
- * a common mapping, and the bold and blink attributes will be mapped
- * to A_BOLD and A_BLINK.
- *
- * At the end of the function, the cursor will be left where the virtual
- * cursor of the terminal is supposed to be.
- *
- * This function does not call wrefresh(win); you have to do that yourself.
- */
-void rote_vt_draw(RoteTerm *rt, WINDOW *win, int startrow, int startcol,
- void (*cur_set_attr)(WINDOW *win, unsigned char attr));
-
-#endif
/* Indicates to the terminal that the given key has been pressed.
* This will cause the terminal to rote_vt_write() the appropriate
* escape sequence for that key (that is, the escape sequence
* when you use keypad(somewin, TRUE) (see man page). */
void rote_vt_keypress(RoteTerm *rt, int keycode);
-/* Takes a snapshot of the current contents of the terminal and
- * saves them to a dynamically allocated buffer. Returns a pointer
- * to the newly created buffer, which you can pass to
- * rote_vt_restore_snapshot. Caller is responsible for free()'ing when
- * the snapshot is no longer needed. */
-void *rote_vt_take_snapshot(RoteTerm *rt);
-
-/* Restores a snapshot previously taken with rote_vt_take_snapshot.
- * This function does NOT free() the passed buffer */
-void rote_vt_restore_snapshot(RoteTerm *rt, void *snapbuf);
-
#endif /* MADTTY_MADTTY_H */
+++ /dev/null
-/*
- LICENSE INFORMATION:
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License (LGPL) as published by the Free Software Foundation.
-
- Please refer to the COPYING file for more information.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- Copyright © 2004 Bruno T. C. de Oliveira
- Copyright © 2006 Pierre Habouzit
- */
-
-#ifndef MADTTY_MADTTY_PRIV_H
-#define MADTTY_MADTTY_PRIV_H
-
-#define ESEQ_BUF_SIZE 128 /* size of escape sequence buffer */
-
-/* Terminal private data */
-struct RoteTermPrivate_ {
- unsigned escaped : 1; /* whether we are currently reading an
- * escape sequence */
-
- unsigned graphmode : 1; /* whether terminal is in graphical
- * character mode or not */
-
- int scrolltop, scrollbottom; /* current scrolling region of terminal */
- int saved_x, saved_y; /* saved cursor position */
-
- char esbuf[ESEQ_BUF_SIZE]; /* 0-terminated string. Does NOT include
- * the initial escape (\x1B) character. */
- int esbuf_len; /* length of buffer. The following property
- * is always kept: esbuf[esbuf_len] == '\0' */
-};
-
-/* Interprets a CSI escape sequence stored in rt->pd->esbuf,
- * changing rt to reflect the effect of the sequence. This function
- * will not change rt->pd->esbuf, rt->pd->escaped or other escape-sequence
- * related fields in it */
-void rote_es_interpret_csi(RoteTerm *rt);
-
-#endif /* MADTTY_MADTTY_PRIV_H */
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