#include "putty.h"
+#define CL_ANSIMIN 0x0001 /* Everybody has these even MSDOS */
+#define CL_VT100 0x0002 /* VT100 */
+#define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */
+#define CL_VT102 0x0008 /* VT102 */
+#define CL_VT220 0x0010 /* VT220 */
+#define CL_VT320 0x0020 /* VT320 */
+#define CL_VT420 0x0040 /* VT420 */
+#define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */
+#define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */
+#define CL_ANSI 0x1000 /* ANSI ECMA-48 not in the VT100..VT420 */
+#define CL_OTHER 0x2000 /* Others, Xterm, linux, putty, dunno, etc */
+
+#define TM_ANSIMIN (CL_ANSIMIN)
+#define TM_VT100 (CL_ANSIMIN+CL_VT100)
+#define TM_VT100AVO (TM_VT100+CL_VT100AVO)
+#define TM_VT102 (TM_VT100AVO+CL_VT102)
+#define TM_PUTTY (-1)
+
+#define compatibility(x) \
+ if ( ((CL_##x)&compatibility_level) == 0 ) { \
+ termstate=TOPLEVEL; \
+ break; \
+ }
+
+#define has_compat(x) ( ((CL_##x)&compatibility_level) != 0 )
+
+static int compatibility_level = TM_PUTTY;
+
+
static unsigned long *text; /* buffer of text on terminal screen */
static unsigned long *scrtop; /* top of working screen */
static unsigned long *disptop; /* top of displayed screen */
#define fix_cpos do { cpos = scrtop + curs_y * (cols+1) + curs_x; } while(0)
static unsigned long curr_attr, save_attr;
+static unsigned long erase_char = ERASE_CHAR;
static int curs_x, curs_y; /* cursor */
static int save_x, save_y; /* saved cursor position */
static int cset; /* 0 or 1: which char set */
static int save_cset, save_csattr; /* saved with cursor position */
static int rvideo; /* global reverse video flag */
+static int cursor_on; /* cursor enabled flag */
+static int reset_132; /* Flag ESC c resets to 80 cols */
+static int use_bce; /* Use Background coloured erase */
+static int blinker; /* When blinking is the cursor on ? */
+static int vt52_mode; /* Is VT100+ in vt52 mode ? */
static unsigned long cset_attr[2];
static int alt_which;
#define ARGS_MAX 32 /* max # of esc sequence arguments */
-#define ARG_DEFAULT -1 /* if an arg isn't specified */
+#define ARG_DEFAULT 0 /* if an arg isn't specified */
#define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) )
static int esc_args[ARGS_MAX];
static int esc_nargs;
static int esc_query;
+#define ANSI(x,y) ((x)+((y)<<8))
+#define ANSI_QUE(x) ANSI(x,TRUE)
#define OSC_STR_MAX 2048
static int osc_strlen;
static unsigned char *tabs;
-#define MAXNL 5
-static int nl_count;
-
-static int scroll_heuristic;
-
static enum {
- TOPLEVEL, IGNORE_NEXT,
- SEEN_ESC, SEEN_CSI, SET_GL, SET_GR,
- SEEN_OSC, SEEN_OSC_P, SEEN_OSC_W, OSC_STRING, OSC_MAYBE_ST,
- SEEN_ESCHASH
+ TOPLEVEL,
+ SEEN_ESC,
+ SEEN_CSI,
+ SEEN_OSC,
+ SEEN_OSC_W,
+
+ DO_CTRLS,
+
+ IGNORE_NEXT,
+ SET_GL, SET_GR,
+ SEEN_OSC_P,
+ OSC_STRING, OSC_MAYBE_ST,
+ SEEN_ESCHASH,
+ VT52_ESC,
+ VT52_Y1,
+ VT52_Y2
} termstate;
static enum {
alt_cset = cset = 0;
cset_attr[0] = cset_attr[1] = ATTR_ASCII;
rvideo = 0;
+ cursor_on = 1;
save_attr = curr_attr = ATTR_DEFAULT;
app_cursor_keys = cfg.app_cursor;
app_keypad_keys = cfg.app_keypad;
+ use_bce = 0;
+ erase_char = ERASE_CHAR;
alt_which = 0;
{
int i;
Context ctx;
ctx = get_ctx();
if (ctx) {
+ if ( (seen_key_event && (unscroll_event & US_KEY)) ||
+ (seen_disp_event && (unscroll_event & US_DISP)) ) {
+ disptop = scrtop;
+ seen_disp_event = seen_key_event = 0;
+ }
do_paint (ctx, TRUE);
free_ctx (ctx);
- nl_count = 0;
- scroll_heuristic = 0;
}
}
selspace = NULL;
deselect();
rows = cols = -1;
- nl_count = 0;
power_on();
}
unsigned long *newtext, *newdisp, *newwant, *newalt;
int i, j, crows, ccols;
+ int save_alt_which = alt_which;
+
if (newrows == rows && newcols == cols && newsavelines == savelines)
return; /* nothing to do */
+ deselect();
+ swap_screen(0);
+
alt_t = marg_t = 0;
alt_b = marg_b = newrows - 1;
newalt = smalloc (newrows*(newcols+1)*TSIZE);
for (i=0; i<newrows*(newcols+1); i++)
- newalt[i] = ERASE_CHAR;
+ newalt[i] = erase_char;
sfree (alttext);
alttext = newalt;
savelines = newsavelines;
fix_cpos;
- deselect();
+ swap_screen(save_alt_which);
+
update_sbar();
term_update();
}
size = (lines < 0 ? -lines : lines) * (cols+1);
scroll_size = (botline - topline + 1) * (cols+1) - size;
- if (lines > 0 && topline == 0 && botline == (rows-1) && sb) {
+ if (lines > 0 && topline == 0 && alt_which == 0 && sb) {
/*
- * Since we're going to scroll the whole screen upwards,
- * let's also affect the scrollback buffer.
+ * Since we're going to scroll the top line and we're on the
+ * scrolling screen let's also affect the scrollback buffer.
*/
sbtop -= lines * (cols+1);
if (sbtop < text)
if (scroll_size)
memmove (scroll_top, scroll_top + size, scroll_size*TSIZE);
for (i = 0; i < size; i++)
- scroll_top[i+scroll_size] = ERASE_CHAR;
+ scroll_top[i+scroll_size] = erase_char;
if (selstart > scroll_top &&
selstart < scroll_top + size + scroll_size) {
selstart -= size;
if (scroll_size)
memmove (scroll_top + size, scroll_top, scroll_size*TSIZE);
for (i = 0; i < size; i++)
- scroll_top[i] = ERASE_CHAR;
+ scroll_top[i] = erase_char;
if (selstart > scroll_top &&
selstart < scroll_top + size + scroll_size) {
selstart += size;
selend = scroll_top + size + scroll_size;
}
}
-
- scroll_heuristic += lines;
}
/*
cset = save_cset;
cset_attr[cset] = save_csattr;
fix_cpos;
+ if (use_bce) erase_char = (' ' |(curr_attr&(ATTR_FGMASK|ATTR_BGMASK)));
}
}
if (!from_begin)
startpos = cpos;
if (!to_end)
- endpos = cpos;
+ endpos = cpos+1;
check_selection (startpos, endpos);
+
+ /* Clear screen also forces a full window redraw, just in case. */
+ if (startpos == scrtop && endpos == scrtop + rows * (cols+1))
+ term_invalidate();
+
while (startpos < endpos)
- *startpos++ = ERASE_CHAR;
+ *startpos++ = erase_char;
}
/*
if (dir < 0) {
memmove (cpos, cpos+n, m*TSIZE);
while (n--)
- cpos[m++] = ERASE_CHAR;
+ cpos[m++] = erase_char;
} else {
memmove (cpos+n, cpos, m*TSIZE);
while (n--)
- cpos[n] = ERASE_CHAR;
+ cpos[n] = erase_char;
}
}
case 1: /* application cursor keys */
app_cursor_keys = state;
break;
+ case 2: /* VT52 mode */
+ vt52_mode = !state;
+ break;
case 3: /* 80/132 columns */
deselect();
- request_resize (state ? 132 : 80, rows);
+ request_resize (state ? 132 : 80, rows, 1);
+ reset_132 = state;
break;
case 5: /* reverse video */
rvideo = state;
- disptop = scrtop;
+ seen_disp_event = TRUE;
+ if (state) term_update();
break;
case 6: /* DEC origin mode */
dec_om = state;
case 7: /* auto wrap */
wrap = state;
break;
+ case 25: /* enable/disable cursor */
+ compatibility(VT220);
+ cursor_on = state;
+ seen_disp_event = TRUE;
+ break;
case 47: /* alternate screen */
+ compatibility(OTHER);
deselect();
swap_screen (state);
disptop = scrtop;
break;
} else switch (mode) {
case 4: /* set insert mode */
+ compatibility(VT102);
insert = state;
break;
+ case 12: /* set echo mode */
+ /*
+ * This may be very good in smcup and rmcup (or smkx & rmkx) if you
+ * have a long RTT and the telnet client/daemon doesn't understand
+ * linemode.
+ *
+ * DONT send TS_RECHO/TS_LECHO; the telnet daemon tries to fix the
+ * tty and _really_ confuses some programs.
+ */
+ compatibility(VT220);
+ ldisc = (state? &ldisc_simple : &ldisc_term);
+ break;
}
}
*/
void term_out(void) {
int c;
- int must_update = FALSE;
while ( (c = inbuf_getc()) != -1) {
-#ifdef LOG
- {
+ /*
+ * Optionally log the session traffic to a file. Useful for
+ * debugging and possibly also useful for actual logging.
+ */
+ if (logfile) {
static FILE *fp = NULL;
- if (!fp) fp = fopen("putty.log", "wb");
+ if (!fp) fp = fopen(logfile, "wb");
if (fp) fputc (c, fp);
}
-#endif
- switch (termstate) {
- case TOPLEVEL:
- do_toplevel:
+ /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even
+ * be able to display 8-bit characters, but I'll let that go 'cause
+ * of i18n.
+ */
+ if( (c&0x60) == 0 && termstate < DO_CTRLS &&
+ ( (c&0x80) == 0 || has_compat(VT220))) {
switch (c) {
case '\005': /* terminal type query */
- back->send ("\033[?1;2c", 7);
+ /* Strictly speaking this is VT100 but a VT100 defaults to
+ * no response. Other terminals respond at their option.
+ *
+ * Don't put a CR in the default string as this tends to
+ * upset some weird software.
+ *
+ * An xterm returns "xterm" (5 characters)
+ */
+ compatibility(OTHER);
+ ldisc->send ("PuTTY", 5);
break;
case '\007':
- beep();
+ if(cfg.beep) beep();
disptop = scrtop;
- must_update = TRUE;
break;
case '\b':
if (curs_x == 0 && curs_y > 0)
else
curs_x--;
fix_cpos;
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case '\016':
+ compatibility(VT100);
cset = 1;
break;
case '\017':
+ compatibility(VT100);
cset = 0;
break;
case '\033':
- termstate = SEEN_ESC;
+ if (vt52_mode)
+ termstate = VT52_ESC;
+ else {
+ compatibility(ANSIMIN);
+ termstate = SEEN_ESC;
+ }
break;
case 0233:
+ compatibility(VT220);
termstate = SEEN_CSI;
esc_nargs = 1;
esc_args[0] = ARG_DEFAULT;
esc_query = FALSE;
break;
case 0235:
+ compatibility(VT220);
termstate = SEEN_OSC;
esc_args[0] = 0;
break;
curs_x = 0;
wrapnext = FALSE;
fix_cpos;
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case '\013':
case '\014':
+ compatibility(VT100);
case '\n':
if (curs_y == marg_b)
scroll (marg_t, marg_b, 1, TRUE);
else if (curs_y < rows-1)
curs_y++;
- if (cfg.lfhascr)
- curs_x = 0;
+ if (cfg.lfhascr)
+ curs_x = 0;
fix_cpos;
wrapnext = FALSE;
- disptop = scrtop;
- nl_count++;
+ seen_disp_event = 1;
break;
case '\t':
do {
fix_cpos;
check_selection (old_cpos, cpos);
}
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
- default:
- if (c >= ' ' && c != 0234) {
- if (wrapnext) {
- cpos[1] = ATTR_WRAPPED;
- if (curs_y == marg_b)
- scroll (marg_t, marg_b, 1, TRUE);
- else if (curs_y < rows-1)
- curs_y++;
- curs_x = 0;
- fix_cpos;
- wrapnext = FALSE;
- nl_count++;
- }
- if (insert)
- insch (1);
- check_selection (cpos, cpos+1);
- *cpos++ = c | curr_attr |
- (c <= 0x7F ? cset_attr[cset] : ATTR_ASCII);
- curs_x++;
- if (curs_x == cols) {
- cpos--;
- curs_x--;
- wrapnext = wrap;
- }
- disptop = scrtop;
- }
}
+ }
+ else switch (termstate) {
+ case TOPLEVEL:
+ /* Only graphic characters get this far, ctrls are stripped above */
+ if (wrapnext) {
+ cpos[1] = ATTR_WRAPPED;
+ if (curs_y == marg_b)
+ scroll (marg_t, marg_b, 1, TRUE);
+ else if (curs_y < rows-1)
+ curs_y++;
+ curs_x = 0;
+ fix_cpos;
+ wrapnext = FALSE;
+ }
+ if (insert)
+ insch (1);
+ if (selstate != NO_SELECTION)
+ check_selection (cpos, cpos+1);
+ switch (cset_attr[cset]) {
+ /* Linedraw characters are different from 'ESC ( B' only
+ * for a small range, for ones outside that range make sure
+ * we use the same font as well as the same encoding.
+ */
+ case ATTR_LINEDRW:
+ if (c<0x60 || c>0x7F)
+ *cpos++ = xlat_tty2scr((unsigned char)c) | curr_attr |
+ ATTR_ASCII;
+ else
+ *cpos++ = ((unsigned char)c) | curr_attr | ATTR_LINEDRW;
+ break;
+ default:
+ *cpos++ = xlat_tty2scr((unsigned char)c) | curr_attr |
+ (c <= 0x7F ? cset_attr[cset] : ATTR_ASCII);
+ break;
+ }
+ curs_x++;
+ if (curs_x == cols) {
+ cpos--;
+ curs_x--;
+ wrapnext = wrap;
+ }
+ seen_disp_event = 1;
break;
+
case IGNORE_NEXT:
termstate = TOPLEVEL;
break;
case SEEN_ESC:
termstate = TOPLEVEL;
switch (c) {
- case '\005': case '\007': case '\b': case '\016': case '\017':
- case '\033': case 0233: case 0234: case 0235: case '\r':
- case '\013': case '\014': case '\n': case '\t':
- termstate = TOPLEVEL;
- goto do_toplevel; /* hack... */
case ' ': /* some weird sequence? */
+ compatibility(VT220);
termstate = IGNORE_NEXT;
break;
case '[': /* enter CSI mode */
esc_query = FALSE;
break;
case ']': /* xterm escape sequences */
+ /* Compatibility is nasty here, xterm, linux, decterm yuk! */
+ compatibility(OTHER);
termstate = SEEN_OSC;
esc_args[0] = 0;
break;
case '(': /* should set GL */
+ compatibility(VT100);
termstate = SET_GL;
break;
case ')': /* should set GR */
+ compatibility(VT100);
termstate = SET_GR;
break;
case '7': /* save cursor */
+ compatibility(VT100);
save_cursor (TRUE);
break;
case '8': /* restore cursor */
+ compatibility(VT100);
save_cursor (FALSE);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case '=':
+ compatibility(VT100);
app_keypad_keys = TRUE;
break;
case '>':
+ compatibility(VT100);
app_keypad_keys = FALSE;
break;
case 'D': /* exactly equivalent to LF */
+ compatibility(VT100);
if (curs_y == marg_b)
scroll (marg_t, marg_b, 1, TRUE);
else if (curs_y < rows-1)
curs_y++;
fix_cpos;
wrapnext = FALSE;
- disptop = scrtop;
- nl_count++;
+ seen_disp_event = TRUE;
break;
case 'E': /* exactly equivalent to CR-LF */
+ compatibility(VT100);
curs_x = 0;
wrapnext = FALSE;
if (curs_y == marg_b)
curs_y++;
fix_cpos;
wrapnext = FALSE;
- nl_count++;
- disptop = scrtop;
+ seen_disp_event = TRUE;
break;
case 'M': /* reverse index - backwards LF */
+ compatibility(VT100);
if (curs_y == marg_t)
scroll (marg_t, marg_b, -1, TRUE);
else if (curs_y > 0)
curs_y--;
fix_cpos;
wrapnext = FALSE;
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'Z': /* terminal type query */
- back->send ("\033[?6c", 5);
+ compatibility(VT100);
+ ldisc->send ("\033[?6c", 5);
break;
case 'c': /* restore power-on settings */
+ compatibility(VT100);
power_on();
+ if (reset_132) {
+ request_resize (80, rows, 1);
+ reset_132 = 0;
+ }
fix_cpos;
disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case '#': /* ESC # 8 fills screen with Es :-) */
+ compatibility(VT100);
termstate = SEEN_ESCHASH;
break;
case 'H': /* set a tab */
+ compatibility(VT100);
tabs[curs_x] = TRUE;
break;
}
break;
case SEEN_CSI:
termstate = TOPLEVEL; /* default */
- switch (c) {
- case '\005': case '\007': case '\b': case '\016': case '\017':
- case '\033': case 0233: case 0234: case 0235: case '\r':
- case '\013': case '\014': case '\n': case '\t':
- termstate = TOPLEVEL;
- goto do_toplevel; /* hack... */
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
+ if( isdigit(c) )
+ {
if (esc_nargs <= ARGS_MAX) {
if (esc_args[esc_nargs-1] == ARG_DEFAULT)
esc_args[esc_nargs-1] = 0;
10 * esc_args[esc_nargs-1] + c - '0';
}
termstate = SEEN_CSI;
- break;
- case ';':
+ }
+ else if( c == ';' )
+ {
if (++esc_nargs <= ARGS_MAX)
esc_args[esc_nargs-1] = ARG_DEFAULT;
termstate = SEEN_CSI;
- break;
- case '?':
- esc_query = TRUE;
+ }
+ else if( c < '@' )
+ {
+ if( esc_query ) esc_query = -1;
+ else if( c == '?' ) esc_query = TRUE;
+ else esc_query = c;
termstate = SEEN_CSI;
- break;
+ }
+ else switch (ANSI(c,esc_query)) {
case 'A': /* move up N lines */
move (curs_x, curs_y - def(esc_args[0], 1), 1);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
- case 'B': case 'e': /* move down N lines */
+ case 'e': /* move down N lines */
+ compatibility(ANSI);
+ case 'B':
move (curs_x, curs_y + def(esc_args[0], 1), 1);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
- case 'C': case 'a': /* move right N cols */
+ case 'a': /* move right N cols */
+ compatibility(ANSI);
+ case 'C':
move (curs_x + def(esc_args[0], 1), curs_y, 1);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'D': /* move left N cols */
move (curs_x - def(esc_args[0], 1), curs_y, 1);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'E': /* move down N lines and CR */
+ compatibility(ANSI);
move (0, curs_y + def(esc_args[0], 1), 1);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'F': /* move up N lines and CR */
+ compatibility(ANSI);
move (0, curs_y - def(esc_args[0], 1), 1);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'G': case '`': /* set horizontal posn */
+ compatibility(ANSI);
move (def(esc_args[0], 1) - 1, curs_y, 0);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'd': /* set vertical posn */
+ compatibility(ANSI);
move (curs_x, (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1,
(dec_om ? 2 : 0));
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'H': case 'f': /* set horz and vert posns at once */
if (esc_nargs < 2)
move (def(esc_args[1], 1) - 1,
(dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1,
(dec_om ? 2 : 0));
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'J': /* erase screen or parts of it */
{
erase_lots(FALSE, !!(i & 2), !!(i & 1));
}
disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'K': /* erase line or parts of it */
{
i = 0;
erase_lots(TRUE, !!(i & 2), !!(i & 1));
}
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'L': /* insert lines */
+ compatibility(VT102);
if (curs_y <= marg_b)
scroll (curs_y, marg_b, -def(esc_args[0], 1), FALSE);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'M': /* delete lines */
+ compatibility(VT102);
if (curs_y <= marg_b)
- scroll (curs_y, marg_b, def(esc_args[0], 1), FALSE);
- disptop = scrtop;
- must_update = TRUE;
+ scroll (curs_y, marg_b, def(esc_args[0], 1), TRUE);
+ seen_disp_event = TRUE;
break;
case '@': /* insert chars */
+ /* XXX VTTEST says this is vt220, vt510 manual says vt102 */
+ compatibility(VT102);
insch (def(esc_args[0], 1));
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'P': /* delete chars */
+ compatibility(VT102);
insch (-def(esc_args[0], 1));
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 'c': /* terminal type query */
- back->send ("\033[?6c", 5);
+ compatibility(VT100);
+ /* This is the response for a VT102 */
+ ldisc->send ("\033[?6c", 5);
break;
case 'n': /* cursor position query */
if (esc_args[0] == 6) {
+ /* Wonder of wonders ANSI.SYS has this!! */
char buf[32];
sprintf (buf, "\033[%d;%dR", curs_y + 1, curs_x + 1);
- back->send (buf, strlen(buf));
+ ldisc->send (buf, strlen(buf));
+ }
+ else if (esc_args[0] == 5) {
+ /* Are we working ... well I suppose so :-) */
+ /* But ANSI.SYS doesn't say it's working :-) :-) */
+ compatibility(VT100);
+ ldisc->send ("\033[0n", 4);
}
break;
- case 'h': /* toggle a mode to high */
- toggle_mode (esc_args[0], esc_query, TRUE);
+ case 'h': /* toggle modes to high */
+ case ANSI_QUE('h'):
+ compatibility(VT100);
+ {
+ int i;
+ for (i=0; i<esc_nargs; i++)
+ toggle_mode (esc_args[i], esc_query, TRUE);
+ }
break;
- case 'l': /* toggle a mode to low */
- toggle_mode (esc_args[0], esc_query, FALSE);
+ case 'l': /* toggle modes to low */
+ case ANSI_QUE('l'):
+ compatibility(VT100);
+ {
+ int i;
+ for (i=0; i<esc_nargs; i++)
+ toggle_mode (esc_args[i], esc_query, FALSE);
+ }
break;
case 'g': /* clear tabs */
+ compatibility(VT100);
if (esc_nargs == 1) {
if (esc_args[0] == 0) {
tabs[curs_x] = FALSE;
}
break;
case 'r': /* set scroll margins */
- if (!esc_query && esc_nargs <= 2) {
+ compatibility(VT100);
+ if (esc_nargs <= 2) {
int top, bot;
- top = def(esc_args[0], 1) - 1;
- if (top < 0)
- top = 0;
- bot = (esc_nargs <= 1 || esc_args[1] == 0 ? rows :
- def(esc_args[1], rows)) - 1;
+ /* VTTEST Bug 9 if the first arg is default _or_ zero
+ * this is a full screen region irrespective of 2nd arg.
+ */
+ if (esc_args[0] <= 0) {
+ top=0;
+ bot=rows-1;
+ } else {
+ top = def(esc_args[0], 1) - 1;
+ bot = (esc_nargs <= 1 || esc_args[1] == 0 ? rows :
+ def(esc_args[1], rows)) - 1;
+ }
if (bot >= rows)
bot = rows-1;
if (top <= bot) {
* placed at the top of the newly marginned
* area. Apparently not: VMS TPU falls over
* if so.
+ *
+ * Well actually it should for Origin mode - RDB
*/
- curs_y = 0;
+ curs_y = (dec_om ? marg_t : 0);
fix_cpos;
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
}
}
break;
case 'm': /* set graphics rendition */
{
+ /*
+ * A VT100 without the AVO only had one attribute, either
+ * underline or reverse video depending on the cursor type,
+ * this was selected by CSI 7m.
+ *
+ * case 2:
+ * This is DIM on the VT100-AVO and VT102
+ * case 5:
+ * This is BLINK on the VT100-AVO and VT102+
+ * case 8:
+ * This is INVIS on the VT100-AVO and VT102
+ * case 21:
+ * This like 22 disables BOLD, DIM and INVIS
+ *
+ * The ANSI colours appear on any terminal that has colour
+ * (obviously) but the interaction between sgr0 and the
+ * colours varies but is usually related to the background
+ * colour erase item.
+ * The interaction between colour attributes and the mono
+ * ones is also very implementation dependent.
+ *
+ * The 39 and 49 attributes are likely to be unimplemented.
+ */
int i;
for (i=0; i<esc_nargs; i++) {
switch (def(esc_args[i], 0)) {
case 0: /* restore defaults */
curr_attr = ATTR_DEFAULT; break;
case 1: /* enable bold */
+ compatibility(VT100AVO);
curr_attr |= ATTR_BOLD; break;
- case 4: /* enable underline */
case 21: /* (enable double underline) */
+ compatibility(OTHER);
+ case 4: /* enable underline */
+ compatibility(VT100AVO);
curr_attr |= ATTR_UNDER; break;
+ case 5: /* enable blink */
+ compatibility(VT100AVO);
+ curr_attr |= ATTR_BLINK; break;
case 7: /* enable reverse video */
curr_attr |= ATTR_REVERSE; break;
case 22: /* disable bold */
+ compatibility(VT220);
curr_attr &= ~ATTR_BOLD; break;
case 24: /* disable underline */
+ compatibility(VT220);
curr_attr &= ~ATTR_UNDER; break;
+ case 25: /* disable blink */
+ compatibility(VT220);
+ curr_attr &= ~ATTR_BLINK; break;
case 27: /* disable reverse video */
+ compatibility(VT220);
curr_attr &= ~ATTR_REVERSE; break;
case 30: case 31: case 32: case 33:
case 34: case 35: case 36: case 37:
break;
}
}
+ if (use_bce)
+ erase_char = (' '|(curr_attr&(ATTR_FGMASK|ATTR_BGMASK)));
}
break;
case 's': /* save cursor */
break;
case 'u': /* restore cursor */
save_cursor (FALSE);
- disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
break;
case 't': /* set page size - ie window height */
- request_resize (cols, def(esc_args[0], 24));
- deselect();
+ /*
+ * VT340/VT420 sequence DECSLPP, DEC only allows values
+ * 24/25/36/48/72/144 other emulators (eg dtterm) use
+ * illegal values (eg first arg 1..9) for window changing
+ * and reports.
+ */
+ compatibility(VT340TEXT);
+ if (esc_nargs<=1 && (esc_args[0]<1 || esc_args[0]>=24)) {
+ unsigned int newrows = def(esc_args[0], 24);
+ /* Hack: prevent big-resize DoS attack. */
+ if (newrows > max(512, cfg.height))
+ newrows = max(512, cfg.height);
+ request_resize (cols, newrows, 0);
+ deselect();
+ }
+ break;
+ case ANSI('|', '*'):
+ /* VT420 sequence DECSNLS
+ * Set number of lines on screen
+ * VT420 uses VGA like hardware and can support any size in
+ * reasonable range (24..49 AIUI) with no default specified.
+ */
+ compatibility(VT420);
+ if (esc_nargs==1 && esc_args[0]>=24) {
+ unsigned int newrows = def(esc_args[0], cfg.height);
+ /* Hack: prevent big-resize DoS attack. */
+ if (newrows > max(512, cfg.height))
+ newrows = max(512, cfg.height);
+ request_resize (cols, newrows, 0);
+ deselect();
+ }
+ break;
+ case ANSI('|', '$'):
+ /* VT340/VT420 sequence DECSCPP
+ * Set number of columns per page
+ * Docs imply range is only 80 or 132, but I'll allow any.
+ */
+ compatibility(VT340TEXT);
+ if (esc_nargs<=1) {
+ unsigned int newcols = def(esc_args[0], cfg.width);
+ /* Hack: prevent big-resize DoS attack. */
+ if (newcols > max(512, cfg.width))
+ newcols = max(512, cfg.width);
+ request_resize (newcols, rows, 0);
+ deselect();
+ }
break;
case 'X': /* write N spaces w/o moving cursor */
+ /* XXX VTTEST says this is vt220, vt510 manual says vt100 */
+ compatibility(VT100);
{
int n = def(esc_args[0], 1);
unsigned long *p = cpos;
n = cols - curs_x;
check_selection (cpos, cpos+n);
while (n--)
- *p++ = ERASE_CHAR;
- disptop = scrtop;
- must_update = TRUE;
+ *p++ = erase_char;
+ seen_disp_event = TRUE;
}
break;
case 'x': /* report terminal characteristics */
+ compatibility(VT100);
{
char buf[32];
int i = def(esc_args[0], 0);
if (i == 0 || i == 1) {
strcpy (buf, "\033[2;1;1;112;112;1;0x");
buf[2] += i;
- back->send (buf, 20);
+ ldisc->send (buf, 20);
}
}
break;
+ case ANSI('L','='):
+ compatibility(OTHER);
+ use_bce = (esc_args[0]<=0);
+ erase_char = ERASE_CHAR;
+ if (use_bce)
+ erase_char = (' '|(curr_attr&(ATTR_FGMASK|ATTR_BGMASK)));
+ break;
+ case ANSI('p','"'):
+ /* Allow the host to make this emulator a 'perfect' VT102.
+ * This first appeared in the VT220, but we do need to get
+ * back to PuTTY mode so I won't check it.
+ *
+ * The arg == 60 is a PuTTY extension.
+ * The 2nd arg, 8bit vs 7bit is not obeyed.
+ *
+ * Setting VT102 mode should also change the Fkeys to
+ * generate PF* codes as a real VT102 has no Fkeys.
+ * The VT220 does this, F11..F13 become ESC,BS,LF other Fkeys
+ * send nothing.
+ *
+ * Note ESC c will NOT change this!
+ */
+
+ if (esc_args[0] == 61) compatibility_level = TM_VT102;
+ else if (esc_args[0] == 60) compatibility_level = TM_ANSIMIN;
+ else compatibility_level = TM_PUTTY;
+ break;
}
break;
case SET_GL:
case SET_GR:
+ /* VT100 only here, checked above */
switch (c) {
case 'A':
cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_GBCHR;
case '0':
cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_LINEDRW;
break;
+ case 'B':
default: /* specifically, 'B' */
cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_ASCII;
break;
}
- termstate = TOPLEVEL;
+ if( !has_compat(VT220) || c != '%' )
+ termstate = TOPLEVEL;
break;
case SEEN_OSC:
osc_w = FALSE;
switch (c) {
- case '\005': case '\007': case '\b': case '\016': case '\017':
- case '\033': case 0233: case 0234: case 0235: case '\r':
- case '\013': case '\014': case '\n': case '\t':
- termstate = TOPLEVEL;
- goto do_toplevel; /* hack... */
case 'P': /* Linux palette sequence */
termstate = SEEN_OSC_P;
osc_strlen = 0;
}
break;
case OSC_STRING:
- if (c == 0234 || c == '\007') {
+ /*
+ * This OSC stuff is EVIL. It takes just one character to get into
+ * sysline mode and it's not initially obvious how to get out.
+ * So I've added CR and LF as string aborts.
+ * This shouldn't effect compatibility as I believe embedded
+ * control characters are supposed to be interpreted (maybe?)
+ * and they don't display anything useful anyway.
+ *
+ * -- RDB
+ */
+ if (c == '\n' || c == '\r') {
+ termstate = TOPLEVEL;
+ } else if (c == 0234 || c == '\007' ) {
/*
* These characters terminate the string; ST and BEL
* terminate the sequence and trigger instant
break;
case SEEN_OSC_W:
switch (c) {
- case '\005': case '\007': case '\b': case '\016': case '\017':
- case '\033': case 0233: case 0234: case 0235: case '\r':
- case '\013': case '\014': case '\n': case '\t':
- termstate = TOPLEVEL;
- goto do_toplevel; /* hack... */
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
esc_args[0] = 10 * esc_args[0] + c - '0';
while (n--)
*p++ = ATTR_DEFAULT | 'E';
disptop = scrtop;
- must_update = TRUE;
+ seen_disp_event = TRUE;
check_selection (scrtop, scrtop + rows * (cols+1));
}
termstate = TOPLEVEL;
break;
+ case VT52_ESC:
+ termstate = TOPLEVEL;
+ seen_disp_event = TRUE;
+ switch (c) {
+ case 'A':
+ move (curs_x, curs_y - 1, 1);
+ break;
+ case 'B':
+ move (curs_x, curs_y + 1, 1);
+ break;
+ case 'C':
+ move (curs_x + 1, curs_y, 1);
+ break;
+ case 'D':
+ move (curs_x - 1, curs_y, 1);
+ break;
+ case 'F':
+ cset_attr[cset=0] = ATTR_LINEDRW;
+ break;
+ case 'G':
+ cset_attr[cset=0] = ATTR_ASCII;
+ break;
+ case 'H':
+ move (0, 0, 0);
+ break;
+ case 'I':
+ if (curs_y == 0)
+ scroll (0, rows-1, -1, TRUE);
+ else if (curs_y > 0)
+ curs_y--;
+ fix_cpos;
+ wrapnext = FALSE;
+ break;
+ case 'J':
+ erase_lots(FALSE, FALSE, TRUE);
+ disptop = scrtop;
+ break;
+ case 'K':
+ erase_lots(TRUE, FALSE, TRUE);
+ break;
+ case 'V':
+ /* XXX Print cursor line */
+ break;
+ case 'W':
+ /* XXX Start controller mode */
+ break;
+ case 'X':
+ /* XXX Stop controller mode */
+ break;
+ case 'Y':
+ termstate = VT52_Y1;
+ break;
+ case 'Z':
+ ldisc->send ("\033/Z", 3);
+ break;
+ case '=':
+ app_cursor_keys = TRUE;
+ break;
+ case '>':
+ app_cursor_keys = FALSE;
+ break;
+ case '<':
+ /* XXX This should switch to VT100 mode not current or default
+ * VT mode. But this will only have effect in a VT220+
+ * emulation.
+ */
+ vt52_mode = FALSE;
+ break;
+ case '^':
+ /* XXX Enter auto print mode */
+ break;
+ case '_':
+ /* XXX Exit auto print mode */
+ break;
+ case ']':
+ /* XXX Print screen */
+ break;
+ }
+ break;
+ case VT52_Y1:
+ termstate = VT52_Y2;
+ move(curs_x, c-' ', 0);
+ break;
+ case VT52_Y2:
+ termstate = TOPLEVEL;
+ move(c-' ', curs_y, 0);
+ break;
}
- check_selection (cpos, cpos+1);
+ if (selstate != NO_SELECTION)
+ check_selection (cpos, cpos+1);
}
-
- if (must_update || nl_count > MAXNL)
- term_update();
}
/*
unsigned long attr, rv, cursor;
char ch[1024];
- cursor = (has_focus ? ATTR_ACTCURS : ATTR_PASCURS);
+ if (cursor_on) {
+ if (has_focus) {
+ if (blinker || !cfg.blink_cur)
+ cursor = ATTR_ACTCURS;
+ else
+ cursor = 0;
+ }
+ else
+ cursor = ATTR_PASCURS;
+ }
+ else cursor = 0;
rv = (rvideo ? ATTR_REVERSE : 0);
our_curs_y = curs_y + (scrtop - disptop) / (cols+1);
}
/*
+ * Flick the switch that says if blinking things should be shown or hidden.
+ */
+
+void term_blink(int flg) {
+static long last_blink = 0;
+ long now, blink_diff;
+
+ if (flg) {
+ blinker = 1;
+ last_blink = GetTickCount();
+ return;
+ }
+ now = GetTickCount();
+
+ blink_diff = now-last_blink;
+
+ /* Make sure the cursor blinks no more than 2Hz */
+ if (blink_diff>=0 && blink_diff<450)
+ return;
+
+ last_blink = now;
+ blinker = !blinker;
+}
+
+/*
* Invalidate the whole screen so it will be repainted in full.
*/
void term_invalidate(void) {
for (j = left; j <= right && j < cols ; j++)
disptext[i*(cols+1)+j] = ATTR_INVALID;
+ /* This should happen soon enough, also for some reason it sometimes
+ * fails to actually do anything when re-sizing ... painting the wrong
+ * window perhaps ?
do_paint (ctx, FALSE);
+ */
}
/*
!(p <= data+len-sizeof(sel_nl) &&
!memcmp(p, sel_nl, sizeof(sel_nl))))
p++;
- back->send (q, p-q);
+
+ {
+ int i;
+ unsigned char c;
+ for(i=0;i<p-q;i++)
+ {
+ c=xlat_kbd2tty(q[i]);
+ ldisc->send(&c,1);
+ }
+ }
+
if (p <= data+len-sizeof(sel_nl) &&
!memcmp(p, sel_nl, sizeof(sel_nl))) {
- back->send ("\r", 1);
+ ldisc->send ("\r", 1);
p += sizeof(sel_nl);
}
q = p;
projects / u / mdw / putty / blobdiff