-/*
+/*
* ansi.c:
*
- * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
+ * Copyright (c) 2008 James McKenzie <sympathy@madingley.org>,
* All rights reserved.
*
*/
-static char rcsid[] = "$Id$";
+static char rcsid[] = "$Id: ansi.c,v 1.50 2008/03/07 13:16:02 james Exp $";
-/*
- * $Log$
+/*
+ * $Log: ansi.c,v $
+ * Revision 1.50 2008/03/07 13:16:02 james
+ * *** empty log message ***
+ *
+ * Revision 1.49 2008/03/07 12:37:04 james
+ * *** empty log message ***
+ *
+ * Revision 1.48 2008/03/06 22:51:39 james
+ * *** empty log message ***
+ *
+ * Revision 1.47 2008/03/06 21:34:09 james
+ * *** empty log message ***
+ *
+ * Revision 1.46 2008/03/06 21:33:02 james
+ * *** empty log message ***
+ *
+ * Revision 1.45 2008/03/06 17:21:41 james
+ * *** empty log message ***
+ *
+ * Revision 1.44 2008/03/06 16:49:05 james
+ * *** empty log message ***
+ *
+ * Revision 1.43 2008/03/06 01:41:48 james
+ * *** empty log message ***
+ *
+ * Revision 1.42 2008/03/03 06:04:42 james
+ * *** empty log message ***
+ *
+ * Revision 1.41 2008/03/02 12:30:54 staffcvs
+ * *** empty log message ***
+ *
+ * Revision 1.40 2008/03/02 10:50:32 staffcvs
+ * *** empty log message ***
+ *
+ * Revision 1.39 2008/03/02 10:37:56 james
+ * *** empty log message ***
+ *
+ * Revision 1.38 2008/03/02 10:27:24 james
+ * *** empty log message ***
+ *
+ * Revision 1.37 2008/02/29 22:50:29 james
+ * *** empty log message ***
+ *
+ * Revision 1.36 2008/02/28 22:00:42 james
+ * *** empty log message ***
+ *
+ * Revision 1.35 2008/02/28 16:57:51 james
+ * *** empty log message ***
+ *
+ * Revision 1.34 2008/02/27 09:42:53 james
+ * *** empty log message ***
+ *
+ * Revision 1.33 2008/02/27 09:42:21 james
+ * *** empty log message ***
+ *
+ * Revision 1.32 2008/02/26 23:56:12 james
+ * *** empty log message ***
+ *
+ * Revision 1.31 2008/02/26 23:23:17 james
+ * *** empty log message ***
+ *
+ * Revision 1.30 2008/02/24 00:42:53 james
+ * *** empty log message ***
+ *
+ * Revision 1.29 2008/02/23 11:48:37 james
+ * *** empty log message ***
+ *
+ * Revision 1.28 2008/02/22 17:07:00 james
+ * *** empty log message ***
+ *
+ * Revision 1.27 2008/02/20 22:54:22 staffcvs
+ * *** empty log message ***
+ *
+ * Revision 1.26 2008/02/20 20:16:07 james
+ * *** empty log message ***
+ *
+ * Revision 1.25 2008/02/20 19:44:37 james
+ * @@
+ *
+ * Revision 1.24 2008/02/20 19:36:06 james
+ * @@
+ *
+ * Revision 1.23 2008/02/20 19:25:09 james
+ * *** empty log message ***
+ *
+ * Revision 1.22 2008/02/15 03:32:07 james
+ * *** empty log message ***
+ *
+ * Revision 1.21 2008/02/14 02:46:44 james
+ * *** empty log message ***
+ *
+ * Revision 1.20 2008/02/14 01:55:57 james
+ * *** empty log message ***
+ *
+ * Revision 1.19 2008/02/13 16:57:29 james
+ * *** empty log message ***
+ *
+ * Revision 1.18 2008/02/13 09:12:21 james
+ * *** empty log message ***
+ *
+ * Revision 1.17 2008/02/13 01:08:18 james
+ * *** empty log message ***
+ *
+ * Revision 1.16 2008/02/07 13:22:51 james
+ * *** empty log message ***
+ *
+ * Revision 1.15 2008/02/07 13:19:48 james
+ * *** empty log message ***
+ *
+ * Revision 1.14 2008/02/07 12:21:16 james
+ * *** empty log message ***
+ *
* Revision 1.13 2008/02/07 12:16:04 james
* *** empty log message ***
*
*/
#include "project.h"
-static void
-set_nonblocking (int fd)
-{
- long arg;
- arg = fcntl (fd, F_GETFL, arg);
- arg |= O_NONBLOCK;
- fcntl (fd, F_SETFL, arg);
-}
-
-static void
-set_blocking (int fd)
-{
- long arg;
- arg = fcntl (fd, F_GETFL, arg);
- arg &= ~O_NONBLOCK;
- fcntl (fd, F_SETFL, arg);
-}
-
-
-int
-ansi_read (ANSI * a, void *buf, int n)
-{
- int red;
-
- set_nonblocking (a->fd);
- red = read (a->fd, buf, n);
- if (!red)
- return -1;
-
- if ((red == -1) && (errno == EAGAIN))
- {
- return 0;
- }
-
- return red;
-}
-
-void
-ansi_write (ANSI * a, char *buf, int n)
-{
- set_blocking (a->fd);
- write (a->fd, buf, n);
-}
-
-void
-ansi_getsize (ANSI * a)
-{
- struct winsize sz = { 0 };
- if (ioctl (a->fd, TIOCGWINSZ, &sz))
- {
- a->size.x = CRT_COLS;
- a->size.y = CRT_ROWS;
- }
- else
- {
- a->size.x = sz.ws_col;
- a->size.y = sz.ws_row;
- }
-
-}
-
-
-void
+static int
ansi_move (ANSI * a, CRT_Pos p)
{
char buf[16];
int n;
int dx = p.x - a->pos.x;
int dy = p.y - a->pos.y;
+ int err = 0;
-// a->pos.x = ANSI_INVAL;
+ // a->pos.x = ANSI_INVAL;
- if (a->pos.x != ANSI_INVAL)
- {
+ if (a->pos.x != ANSI_INVAL) {
- if ((!dx) && (!dy))
- return;
-
- if (!dy)
- {
- if (dx == 1)
- {
- ansi_write (a, "\033[C", 3);
- }
- else if (dx == -1)
- {
- ansi_write (a, "\033[D", 3);
- }
- else
- {
- n = snprintf (buf, sizeof (buf), "\033[%dG", p.x + 1);
- ansi_write (a, buf, n);
- }
- }
- else if (!dx)
- {
- if (dy == -1)
- {
- ansi_write (a, "\033[A", 3);
- }
- else if (dy == 1)
- {
- ansi_write (a, "\033[B", 3);
- }
- else if (dy < 0)
- {
- n = snprintf (buf, sizeof (buf), "\033[%dA", -dy);
- ansi_write (a, buf, n);
- }
- else
- {
- n = snprintf (buf, sizeof (buf), "\033[%dB", dy);
- ansi_write (a, buf, n);
- }
- }
- else if (!p.x)
- {
- if (dy == 1)
- {
- ansi_write (a, "\033[E", 3);
- }
- else if (dy == -1)
- {
- ansi_write (a, "\033[F", 3);
- }
- else if (dy > 0)
- {
- n = snprintf (buf, sizeof (buf), "\033[%dE", dy);
- ansi_write (a, buf, n);
- }
- else
- {
- n = snprintf (buf, sizeof (buf), "\033[%dF", -dy);
- ansi_write (a, buf, n);
- }
- }
- else
- {
- n = snprintf (buf, sizeof (buf), "\033[%d;%dH", p.y + 1, p.x + 1);
- ansi_write (a, buf, n);
- }
- }
- else
- {
+ if ((!dx) && (!dy))
+ return 0;
+
+ if (!dy) {
+ if (dx == 1) {
+ if (a->terminal->xmit (a->terminal, "\033[C", 3) != 3)
+ err++;
+ } else if (dx == -1) {
+ if (a->terminal->xmit (a->terminal, "\033[D", 3) != 3)
+ err++;
+ } else {
+ n = snprintf (buf, sizeof (buf), "\033[%dG", p.x + 1);
+ if (a->terminal->xmit (a->terminal, buf, n) != n)
+ err++;
+ }
+ } else if (!dx) {
+ if (dy == -1) {
+ if (a->terminal->xmit (a->terminal, "\033[A", 3) != 3)
+ err++;
+ } else if (dy == 1) {
+ if (a->terminal->xmit (a->terminal, "\033[B", 3) != 3)
+ err++;
+ } else if (dy < 0) {
+ n = snprintf (buf, sizeof (buf), "\033[%dA", -dy);
+ if (a->terminal->xmit (a->terminal, buf, n) != n)
+ err++;
+ } else {
+ n = snprintf (buf, sizeof (buf), "\033[%dB", dy);
+ if (a->terminal->xmit (a->terminal, buf, n) != n)
+ err++;
+ }
+ } else if (!p.x) {
+ if (dy == 1) {
+ if (a->terminal->xmit (a->terminal, "\033[E", 3) != 3)
+ err++;
+ } else if (dy == -1) {
+ if (a->terminal->xmit (a->terminal, "\033[F", 3) != 3)
+ err++;
+ } else if (dy > 0) {
+ n = snprintf (buf, sizeof (buf), "\033[%dE", dy);
+ if (a->terminal->xmit (a->terminal, buf, n) != n)
+ err++;
+ } else {
+ n = snprintf (buf, sizeof (buf), "\033[%dF", -dy);
+ if (a->terminal->xmit (a->terminal, buf, n) != n)
+ err++;
+ }
+ } else {
n = snprintf (buf, sizeof (buf), "\033[%d;%dH", p.y + 1, p.x + 1);
- ansi_write (a, buf, n);
+ if (a->terminal->xmit (a->terminal, buf, n) != n)
+ err++;
}
+ } else {
+ n = snprintf (buf, sizeof (buf), "\033[%d;%dH", p.y + 1, p.x + 1);
+ if (a->terminal->xmit (a->terminal, buf, n) != n)
+ err++;
+ }
a->pos = p;
+
+ return err;
}
-void
+static int
ansi_showhide_cursor (ANSI * a, int hide)
{
+ int err = 0;
if (a->hide_cursor == hide)
- return;
+ return err;
- if (hide)
- {
- ansi_write (a, "\033[?25l", 6);
- }
- else
- {
- ansi_write (a, "\033[?25h", 6);
- }
+ if (hide) {
+ if (a->terminal->xmit (a->terminal, "\033[?25l", 6) != 6)
+ err++;
+ } else {
+ if (a->terminal->xmit (a->terminal, "\033[?25h", 6) != 6)
+ err++;
+ }
a->hide_cursor = hide;
+ return err;
}
-void
+static int
ansi_force_attr_normal (ANSI * a)
{
- ansi_write (a, "\033[0m", 4);
+ if (a->terminal->xmit (a->terminal, "\033[0m", 4) != 4)
+ return 1;
a->attr = CRT_ATTR_NORMAL;
a->color = ANSI_INVAL;
+ return 0;
+}
+
+static int
+ansi_set_title (ANSI * a, char *t)
+{
+ char buf[1024];
+ int i;
+ char *term = getenv ("TERM");
+
+ if (!term)
+ return 0;
+ if (strncmp (term, "xterm", 5) && strncmp (term, "rxvt", 4))
+ return 0;
+
+ i = sprintf (buf, "\033]0;%s\007", t);
+
+ if (a->terminal->xmit (a->terminal, buf, i) != i)
+ return 1;
+ return 0;
}
-void
+static int
ansi_set_color (ANSI * a, int color)
{
int dif;
char buf[16];
int i;
- int fg,bg;
-
- if ((a->color == ANSI_INVAL) || (color!=a->color)) {
- fg=CRT_COLOR_FG(color);
- bg=CRT_COLOR_BG(color);
-
- if (fg & CRT_COLOR_INTENSITY) {
- fg+=90;
- } else {
- fg+=30;
- }
-
- if (bg & CRT_COLOR_INTENSITY) {
- bg+=100;
- } else {
- bg+=40;
- }
-
- i=sprintf(buf,"\033[%d;%dm",fg,bg);
- fprintf(stderr,"Color set to %d %d %x\n",fg,bg,color);
-
- ansi_write (a,buf,i);
- a->color=color;
- }
+ int fg, bg;
+
+ if ((a->color != ANSI_INVAL) && (color == a->color))
+ return 0;
+ fg = CRT_COLOR_FG (color);
+ bg = CRT_COLOR_BG (color);
+
+ if (fg & CRT_COLOR_INTENSITY) {
+ fg += 90;
+ } else {
+ fg += 30;
+ }
+
+ if (bg & CRT_COLOR_INTENSITY) {
+ bg += 100;
+ } else {
+ bg += 40;
+ }
+
+ i = sprintf (buf, "\033[%d;%dm", fg, bg);
+#if 0
+ fprintf (stderr, "Color set to %d %d %x\n", fg, bg, color);
+#endif
+
+ if (a->terminal->xmit (a->terminal, buf, i) != i)
+ return 1;
+ a->color = color;
+
+ return 0;
}
-void
+static int
ansi_set_attr (ANSI * a, int attr)
{
int dif;
+ int err = 0;
dif = attr ^ a->attr;
if (!dif)
- return;
+ return 0;
a->attr = attr;
#if 0
- if (attr == CRT_ATTR_NORMAL)
- {
- ansi_force_attr_normal (a);
- return;
- }
+ if (attr == CRT_ATTR_NORMAL) {
+ ansi_force_attr_normal (a);
+ return;
+ }
#endif
- if (dif & CRT_ATTR_UNDERLINE)
- {
- if (attr & CRT_ATTR_UNDERLINE)
- {
- ansi_write (a, "\033[4m", 4);
- }
- else
- {
- ansi_write (a, "\033[24m", 5);
- }
+ if (dif & CRT_ATTR_UNDERLINE) {
+ if (attr & CRT_ATTR_UNDERLINE) {
+ if (a->terminal->xmit (a->terminal, "\033[4m", 4) != 4)
+ err++;
+ } else {
+ if (a->terminal->xmit (a->terminal, "\033[24m", 5) != 5)
+ err++;
}
- if (dif & CRT_ATTR_REVERSE)
- {
- if (attr & CRT_ATTR_REVERSE)
- {
- ansi_write (a, "\033[7m", 4);
- }
- else
- {
- ansi_write (a, "\033[27m", 5);
- }
+ }
+ if (dif & CRT_ATTR_REVERSE) {
+ if (attr & CRT_ATTR_REVERSE) {
+ if (a->terminal->xmit (a->terminal, "\033[7m", 4) != 4)
+ err++;
+ } else {
+ if (a->terminal->xmit (a->terminal, "\033[27m", 5) != 5)
+ err++;
}
- if (dif & CRT_ATTR_BOLD)
- {
- if (attr & CRT_ATTR_BOLD)
- {
- ansi_write (a, "\033[1m", 4);
- }
- else
- {
- ansi_write (a, "\033[21m", 5);
- ansi_write (a, "\033[22m", 5);
- }
+ }
+ if (dif & CRT_ATTR_BOLD) {
+ if (attr & CRT_ATTR_BOLD) {
+ if (a->terminal->xmit (a->terminal, "\033[1m", 4) != 4)
+ err++;
+ } else {
+ if (a->terminal->xmit (a->terminal, "\033[21m", 5) != 5)
+ err++;
+ if (a->terminal->xmit (a->terminal, "\033[22m", 5) != 5)
+ err++;
}
+ }
+ return err;
}
+static int
+ascii_emit (TTY * t, uint32_t ch)
+{
+ int i;
+
+ /* Some quick obvious subsititons for quotation marks */
+ switch (ch) {
+ case 0x2018:
+ ch = '`';
+ break;
+ case 0x2019:
+ ch = '\'';
+ break;
+ case 0x201c:
+ case 0x201d:
+ ch = '"';
+ break;
+ }
+
+ /* Short cut the easy stuff */
+ if (ch < 0x7f) {
+ uint8_t c = ch;
+ return (t->xmit (t, &c, 1) == 1) ? 0 : -1;
+ }
+
+ for (i = 0; i < VT102_CHARSET_SIZE; ++i) {
+ if (vt102_charset_gl[i] == ch) {
+ uint8_t c[3] = { 016, i, 017 };
+ return (t->xmit (t, &c, 3) == 3) ? 0 : -1;
+ }
+ }
+
+ return (t->xmit (t, "?", 1) == 1) ? 0 : -1;
+
+}
-void
+static int
ansi_render (ANSI * a, CRT_CA ca)
{
+ int err = 0;
int dif;
- if (ca.chr < 32)
- ca.chr = ' ';
- if (ca.chr > 126)
+ if ((ca.chr < VT102_CHARSET_SIZE) && (vt102_charset_c0[ca.chr]))
+ ca.chr = vt102_charset_c0[ca.chr];
+
+ if ((ca.chr >= 0x80) && (ca.chr < 0xa0))
ca.chr = ' ';
ansi_set_attr (a, ca.attr);
- ansi_set_color(a,ca.color);
+ ansi_set_color (a, ca.color);
- ansi_write (a, &ca.chr, 1);
+ if (a->utf8) {
+ if (utf8_emit (a->terminal, ca.chr))
+ err++;
+ } else {
+ if (ascii_emit (a->terminal, ca.chr))
+ err++;
+ }
a->pos.x++;
-/*Can't easily wrap round here as don't know size of destination screen*/
-/*so invalidate the cached cursor position*/
+ /* Can't easily wrap round here as don't know size of destination screen */
+ /* so invalidate the cached cursor position */
- if (a->pos.x >= CRT_COLS)
+ if (a->pos.x >= a->size.x)
a->pos.x = ANSI_INVAL;
+ return err;
}
-void
+static int
ansi_cls (ANSI * a)
{
CRT_Pos p = { 0 };
+ int err;
crt_cls (&a->crt);
- ansi_force_attr_normal (a);
- ansi_set_color(a,CRT_COLOR_NORMAL);
- ansi_move (a, p);
- ansi_write (a, "\033[2J", 4);
-/*different emulators leave cursor in different places after cls differently*/
+ err += ansi_set_attr (a, CRT_ATTR_NORMAL);
+ err += ansi_set_color (a, CRT_COLOR_NORMAL);
+ err += ansi_move (a, p);
+ if (a->terminal->xmit (a->terminal, "\033[2J", 4) != 4)
+ err++;
+ /* different emulators leave cursor in different places after cls
+ differently */
a->pos.x = ANSI_INVAL;
+
+ return err;
}
+static int
+ansi_draw_line (ANSI * a, CRT_CA * cap, int y)
+{
+ int err = 0;
+
+ CRT_Pos p = { 0, y };
+ CRT_CA *acap = &a->crt.screen[CRT_ADDR_POS (&p)];
+
+ for (p.x = 0; p.x < a->crt.size.x; ++p.x) {
+ if (p.x >= a->size.x)
+ continue;
+
+ if (crt_ca_cmp (*acap, *cap)) {
+ err += ansi_showhide_cursor (a, 1);
+
+ *acap = *cap;
+
+ err += ansi_move (a, p);
+ err += ansi_render (a, *acap);
+ }
+
+ acap++;
+ cap++;
+ }
+
+ return err;
+}
+
+static int
+ansi_resize_check (ANSI * a, CRT_Pos * size)
+{
+ int err = 0;
+
+ if ((size && crt_pos_cmp (a->crt.size, *size))
+ || crt_pos_cmp (a->terminal->size, a->size)) {
+
+ terminal_getsize (a->terminal);
+
+ a->size = a->terminal->size;
+
+ a->pos.x = ANSI_INVAL;
+ a->hide_cursor = ANSI_INVAL;
+
+ crt_reset (&a->crt);
+
+ if (size)
+ a->crt.size = *size;
+
+ // a->terminal->xmit (a->terminal, "\033c", 3);
+ // maybe - issue 132 column command if we're 132?
+
+ ansi_cls (a);
+ if (a->terminal->xmit (a->terminal, "\033=", 2) != 2)
+ err++;
+ if (a->terminal->xmit (a->terminal, "\033[?6l", 5) != 5)
+ err++;
+ if (a->terminal->xmit (a->terminal, "\033[r", 3) != 3)
+ err++;
+ if (a->utf8) {
+ if (a->terminal->xmit (a->terminal, "\033%G", 3) != 3)
+ err++;
+ } else {
+ if (a->terminal->xmit (a->terminal, "\033(B", 3) != 3)
+ err++;
+ if (a->terminal->xmit (a->terminal, "\033)0", 3) != 3)
+ err++;
+ if (a->terminal->xmit (a->terminal, "\017", 1) != 3)
+ err++;
+ }
+
+ }
+ return err;
+}
+
+
+static int
+ansi_history (ANSI * a, History * h)
+{
+ char buf[32];
+ int i;
+ int guess_scroll;
+ int err = 0;
+ /* Do we need to catch up on history? */
+
+ if (a->history_ptr == h->wptr)
+ return err;
+
+ err += ansi_resize_check (a, NULL);
+
+ if ((a->size.x < a->crt.size.x) || (a->size.y < a->crt.size.y))
+ return err;
+
+ guess_scroll = a->crt.size.y - 1; /* Bototm line should be a status line */
+
+
+ err += ansi_force_attr_normal (a);
+ err += ansi_set_color (a, CRT_COLOR_NORMAL);
+
+ i = sprintf (buf, "\033[%d;%dr", 1, guess_scroll);
+ if (a->terminal->xmit (a->terminal, buf, i) != i)
+ err++;
+
+
+ while (a->history_ptr != h->wptr) {
+
+ History_ent *e = &h->lines[a->history_ptr];
+
+ HISTORY_INC (h, a->history_ptr);
+
+ if (!e->valid)
+ continue;
-void
+ /* If so write the line ot the top of the screen */
+ err += ansi_draw_line (a, e->line, 0);
+
+
+ /* Roll guess_scroll lines up putting the top line into the xterm's
+ history */
+
+
+ /* Make extra lines a predictable colour */
+ err += ansi_set_color (a, CRT_COLOR_NORMAL);
+
+ err += ansi_showhide_cursor (a, 1);
+
+ i = sprintf (buf, "\033[%d;%dH", guess_scroll, 1);
+ if (a->terminal->xmit (a->terminal, buf, i) != i)
+ err++;
+
+ if (a->terminal->xmit (a->terminal, "\033D", 2) != 2)
+ err++;
+
+ a->pos.x = ANSI_INVAL;
+
+ /* now do the same in our image of the screen */
+
+ {
+ CRT_Pos s = { 0 }
+ , e = {
+ 0};
+
+ /* scroll lines up */
+ for (s.y++; s.y < guess_scroll; s.y++, e.y++) {
+ memcpy (&a->crt.screen[CRT_ADDR_POS (&e)],
+ &a->crt.screen[CRT_ADDR_POS (&s)],
+ sizeof (CRT_CA) * a->crt.size.x);
+ }
+
+ /* erase new line */
+ s.y = e.y;
+ e.x = CRT_COLS - 1;
+ crt_erase (&a->crt, s, e, 1, CRT_COLOR_NORMAL);
+ }
+
+ }
+ /* reset margins */
+ if (a->terminal->xmit (a->terminal, "\033[r", 3) != 3)
+ err++;
+
+ a->pos.x = ANSI_INVAL;
+
+ return err;
+}
+
+
+
+
+static int
ansi_draw (ANSI * a, CRT * c)
{
CRT_Pos p;
int o;
int hidden_cursor = 0;
+ int err = 0;
- for (p.y = 0; p.y < CRT_ROWS; ++p.y)
- {
- if (p.y >= a->size.y)
- continue;
- o = CRT_ADDR (p.y, 0);
- for (p.x = 0; p.x < CRT_COLS; ++p.x, ++o)
- {
- if (p.x >= a->size.x)
- continue;
- if (crt_ca_cmp (a->crt.screen[o], c->screen[o]))
- {
- ansi_showhide_cursor (a, 1);
- a->crt.screen[o] = c->screen[o];
-
- ansi_move (a, p);
- ansi_render (a, a->crt.screen[o]);
- }
- }
- }
+ err += ansi_resize_check (a, &c->size);
- if ((CRT_COLS > a->size.x) || (CRT_ROWS > a->size.y))
- {
- char msg[] = "Window is too small";
- p.x = 0;
- p.y = 0;
+ for (p.y = 0; p.y < a->crt.size.y; ++p.y) {
+ if (p.y >= a->size.y)
+ continue;
- ansi_showhide_cursor (a, 1);
- ansi_set_attr (a, CRT_ATTR_REVERSE);
- ansi_set_color(a,CRT_MAKE_COLOR(CRT_COLOR_WHITE,CRT_COLOR_RED));
- ansi_move (a, p);
+ err += ansi_draw_line (a, &c->screen[CRT_ADDR (p.y, 0)], p.y);
- ansi_write (a, msg, sizeof (msg));
- a->pos.x = ANSI_INVAL;
- }
+ }
- if ((c->pos.x >= a->size.x) || (c->pos.y >= a->size.y))
- {
- ansi_showhide_cursor (a, 1);
- return;
- }
+ if ((c->size.x > a->size.x) || (c->size.y > a->size.y)) {
+ char msg[1024]; // = "Window is too small";
+ int i;
+ p.x = 0;
+ p.y = 0;
+
+ i =
+ sprintf (msg, "Window too small (%dx%d need %dx%d)", a->size.x,
+ a->size.y, c->size.x, c->size.y);
+
+ err += ansi_showhide_cursor (a, 1);
+ err += ansi_set_attr (a, CRT_ATTR_REVERSE);
+ err +=
+ ansi_set_color (a, CRT_MAKE_COLOR (CRT_COLOR_WHITE, CRT_COLOR_RED));
+ err += ansi_move (a, p);
+
+ if (a->terminal->xmit (a->terminal, msg, i) != i)
+ err++;
+
+ a->pos.x = ANSI_INVAL;
+ }
+
+
+ if ((c->pos.x >= a->size.x) || (c->pos.y >= a->size.y)) {
+ err += ansi_showhide_cursor (a, 1);
+ return err;
+ }
a->crt.pos = c->pos;
- ansi_move (a, a->crt.pos);
+ err += ansi_move (a, a->crt.pos);
a->crt.hide_cursor = c->hide_cursor;
- ansi_showhide_cursor (a, a->crt.hide_cursor);
+ err += ansi_showhide_cursor (a, a->crt.hide_cursor);
+
+ return err;
}
-void
-ansi_reset (ANSI * a)
+static int
+ansi_reset (ANSI * a, CRT * c)
{
-// FIXME: -- echos back crap?
-// ansi_write (a, "\033[c", 3);
- ansi_getsize (a);
+ a->size.x = -1;
+ return ansi_draw (a, c ? c : &a->crt);
+}
- a->pos.x = ANSI_INVAL;
- a->hide_cursor = ANSI_INVAL;
+static void
+ansi_terminal_reset (ANSI * a)
+{
+ CRT_Pos p = { 0, a->crt.size.y };
+ ansi_force_attr_normal (a);
+
+ ansi_move (a, p);
+}
- crt_reset (&a->crt);
- ansi_cls (a);
- ansi_write (a, "\033=", 2);
- ansi_draw (a, &a->crt);
+static int
+ansi_key (ANSI * a, Context * c, int key)
+{
+ if (!c->d)
+ return c->k->key (c->k, c, key);
+
+ cmd_show_status (c->d, c);
+
+ if (c->d->active) {
+ if (key == CMD_CANCEL_KEY) {
+ return cmd_deactivate (c->d, c);
+ } else if (key == CMD_KEY) {
+ cmd_deactivate (c->d, c);
+ } else {
+ return cmd_key (c->d, c, a, key);
+ }
+ } else if (key == CMD_KEY) {
+ return cmd_activate (c->d, c);
+ }
+
+ return c->k->key (c->k, c, key);
}
-void
-ansi_flush_escape (ANSI * a, VT102 * v,TTY *t)
+
+static void
+ansi_flush_escape (ANSI * a, Context * c)
{
ANSI_Parser *p = &a->parser;
int i;
- for (i = 0; i < p->escape_ptr; ++i)
- {
- vt102_send (v, p->escape_buf[i],t);
- }
+ for (i = 0; i < p->escape_ptr; ++i) {
+ ansi_key (a, c, p->escape_buf[i]);
+ }
p->escape_ptr = 0;
p->in_escape = 0;
}
-void
-ansi_parse_deckey (ANSI * a, VT102 * v,TTY *t)
+static void
+ansi_parse_deckey (ANSI * a, Context * c)
{
ANSI_Parser *p = &a->parser;
- if ((p->escape_buf[1] != '[') && (p->escape_buf[1] != 'O'))
- {
- ansi_flush_escape (a, v,t);
- return;
- }
-
- if ((p->escape_buf[2] >= 'A') || (p->escape_buf[2] <= 'Z'))
- {
- vt102_send (v, KEY_UP + (p->escape_buf[2] - 'A'),t);
- }
- else if ((p->escape_buf[2] >= 'a') || (p->escape_buf[2] <= 'z'))
- {
- vt102_send (v, KEY_154 + (p->escape_buf[2] - 'a'),t);
- }
- else
- {
- ansi_flush_escape (a, v,t);
- return;
- }
+ if ((p->escape_buf[1] != '[') && (p->escape_buf[1] != 'O')) {
+ ansi_flush_escape (a, c);
+ return;
+ }
+
+ if ((p->escape_buf[2] >= 'A') || (p->escape_buf[2] <= 'Z')) {
+ ansi_key (a, c, KEY_UP + (p->escape_buf[2] - 'A'));
+ } else if ((p->escape_buf[2] >= 'a') || (p->escape_buf[2] <= 'z')) {
+ ansi_key (a, c, KEY_154 + (p->escape_buf[2] - 'a'));
+ } else {
+ ansi_flush_escape (a, c);
+ return;
+ }
p->in_escape = 0;
p->escape_ptr = 0;
}
-void
-ansi_parse_ansikey (ANSI * a, VT102 * v,TTY *t)
+static void
+ansi_parse_ansikey (ANSI * a, Context * c)
{
ANSI_Parser *p = &a->parser;
+ int l = p->escape_ptr - 1;
+ char *end;
+ int k;
- if ((p->escape_buf[1] != '[') || (p->escape_buf[3] != '~'))
- {
- ansi_flush_escape (a, v,t);
- return;
- }
- if ((p->escape_buf[2] >= '0') || (p->escape_buf[2] <= '9'))
- {
- vt102_send (v, KEY_180 + (p->escape_buf[2] - '0'),t);
- }
- else
- {
- ansi_flush_escape (a, v,t);
- return;
- }
+ if ((p->escape_buf[1] != '[') || (p->escape_buf[l] != '~')) {
+ ansi_flush_escape (a, c);
+ return;
+ }
+
+ k = strtol (&p->escape_buf[2], &end, 10);
+
+ if (end != &p->escape_buf[l]) {
+ ansi_flush_escape (a, c);
+ return;
+ }
+
+ ansi_key (a, c, KEY_180 + k);
p->in_escape = 0;
p->escape_ptr = 0;
-void
-ansi_parse_escape (ANSI * a, VT102 * v,TTY *t)
+static void
+ansi_parse_escape (ANSI * a, Context * c)
{
ANSI_Parser *p = &a->parser;
- switch (p->escape_ptr)
- {
- case 0:
- case 1:
- return;
- case 2:
- switch (p->escape_buf[1])
- {
- case '[':
- case 'O':
- break;
- default:
- ansi_flush_escape (a, v,t);
- }
+ switch (p->escape_ptr) {
+ case 0:
+ case 1:
+ return;
+ case 2:
+ switch (p->escape_buf[1]) {
+ case '[':
+ case 'O':
break;
- case 3:
- switch (p->escape_buf[1])
- {
- case 'O':
- ansi_parse_deckey (a, v,t);
- break;
- case '[':
- if ((p->escape_buf[2] >= 'A') && (p->escape_buf[2] <= 'Z'))
- ansi_parse_deckey (a, v,t);
- break;
- default:
- ansi_flush_escape (a, v,t);
- }
+ default:
+ ansi_flush_escape (a, c);
+ }
+ break;
+ case 3:
+ switch (p->escape_buf[1]) {
+ case 'O':
+ ansi_parse_deckey (a, c);
break;
- case 4:
- switch (p->escape_buf[1])
- {
- case '[':
- ansi_parse_ansikey (a, v,t);
- break;
- default:
- ansi_flush_escape (a, v,t);
- }
+ case '[':
+ if ((p->escape_buf[2] >= 'A') && (p->escape_buf[2] <= 'Z'))
+ ansi_parse_deckey (a, c);
break;
- case 5:
- ansi_flush_escape (a, v,t);
+ default:
+ ansi_flush_escape (a, c);
}
+ break;
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ if (p->escape_buf[p->escape_ptr - 1] == '~')
+ ansi_parse_ansikey (a, c);
+ break;
+ default:
+ ansi_flush_escape (a, c);
+ }
}
-void
-ansi_check_escape (ANSI * a, VT102 * v,TTY *t)
+static void
+ansi_check_escape (ANSI * a, Context * c)
{
ANSI_Parser *p = &a->parser;
struct timeval now, diff;
return;
- /*Time up? */
+ /* Time up? */
if (diff.tv_sec || (diff.tv_usec > ANSI_ESCAPE_TIMEOUT))
- ansi_flush_escape (a, v,t);
+ ansi_flush_escape (a, c);
}
-void
-ansi_parse_char (ANSI * a, int c, VT102 * v,TTY *t)
+static void
+ansi_parse_char (ANSI * a, Context * c, int ch)
{
ANSI_Parser *p = &a->parser;
-/*See if it's time to flush the escape*/
- ansi_check_escape (a, v,t);
+ /* See if it's time to flush the escape */
+ ansi_check_escape (a, c);
- if (c == 033)
- {
- if (p->in_escape)
- ansi_flush_escape (a, v,t);
+ if (ch == 033) {
+ if (p->in_escape)
+ ansi_flush_escape (a, c);
- p->in_escape++;
- p->escape_ptr = 0;
- gettimeofday (&p->last_escape, NULL);
- }
+ p->in_escape++;
+ p->escape_ptr = 0;
+ gettimeofday (&p->last_escape, NULL);
+ }
- if (p->in_escape)
- {
- p->escape_buf[p->escape_ptr++] = c;
- ansi_parse_escape (a, v,t);
- }
- else
- {
- vt102_send (v, c,t);
- }
+ if (p->in_escape) {
+ p->escape_buf[p->escape_ptr++] = ch;
+ ansi_parse_escape (a, c);
+ } else {
+ ansi_key (a, c, ch);
+ }
}
-void
-ansi_parse (ANSI * a, char *buf, int len, VT102 * v,TTY *t)
+static void
+ansi_parse (ANSI * a, Context * c, char *buf, int len)
{
while (len--)
- ansi_parse_char (a, *(buf++), v,t);
+ ansi_parse_char (a, c, *(buf++));
}
-int
-ansi_dispatch (ANSI * a, VT102 * v,TTY *t)
+static int
+ansi_dispatch (ANSI * a, Context * c)
{
char buf[1024];
int red;
- ansi_check_escape (a, v,t);
+ ansi_check_escape (a, c);
+
+ if (!a->terminal)
+ return 0;
- red = ansi_read (a, buf, sizeof (buf));
+ red = a->terminal->recv (a->terminal, buf, sizeof (buf));
if (red <= 0)
return red;
-#if 0
- if (*buf == 3)
- return -1;
-#endif
+ ansi_parse (a, c, buf, red);
-#if 1
- if (*buf == 1)
- return 1;
-#endif
+ return 0;
+}
- ansi_parse (a, buf, red, v,t);
- return 0;
+static int
+ansi_update (ANSI * a, Context * c)
+{
+ int err = 0;
+
+ err += ansi_history (a, c->h);
+ err += ansi_draw (a, &c->v->crt);
+ tty_length (a->terminal, c->v->crt.size.y);
+ return err;
+}
+
+static void
+ansi_free (ANSI * a)
+{
+ a->terminal_reset (a);
+ if (a->terminal)
+ a->terminal->close (a->terminal);
+
+ free (a);
+}
+
+ANSI *
+ansi_new_from_terminal (TTY * t, int utf8)
+{
+ ANSI *ret;
+
+ ret = xmalloc (sizeof (ANSI));
+ memset (ret, 0, sizeof (ANSI));
+
+ ret->terminal = t;
+
+ ret->utf8 = utf8;
+ ret->update = ansi_update;
+ ret->reset = ansi_reset;
+ ret->terminal_reset = ansi_terminal_reset;
+ ret->set_title = ansi_set_title;
+ ret->close = ansi_free;
+ ret->dispatch = ansi_dispatch;
+
+ return ret;
}
~ianmdlvl / sympathy.git / blobdiff