#include <stdio.h>
#include <stdlib.h>
+#include <ctype.h>
+#include <time.h>
#include "putty.h"
+#define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */
+#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_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */
+#define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */
+#define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */
+
+#define TM_VT100 (CL_ANSIMIN|CL_VT100)
+#define TM_VT100AVO (TM_VT100|CL_VT100AVO)
+#define TM_VT102 (TM_VT100AVO|CL_VT102)
+#define TM_VT220 (TM_VT102|CL_VT220)
+#define TM_VTXXX (TM_VT220|CL_VT340TEXT|CL_VT510|CL_VT420|CL_VT320)
+#define TM_SCOANSI (CL_ANSIMIN|CL_SCOANSI)
+
+#define TM_PUTTY (0xFFFF)
+
+#define compatibility(x) \
+ if ( ((CL_##x)&compatibility_level) == 0 ) { \
+ termstate=TOPLEVEL; \
+ break; \
+ }
+#define compatibility2(x,y) \
+ if ( ((CL_##x|CL_##y)&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 */
static unsigned long *sbtop; /* top of scrollback */
+static unsigned long *sbbot; /* furthest extent of scrollback */
static unsigned long *cpos; /* cursor position (convenience) */
static unsigned long *disptext; /* buffer of text on real screen */
static unsigned long *wanttext; /* buffer of text we want on 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 tblinker; /* When the blinking text is on */
+static int blink_is_real; /* Actually blink blinking text */
+static int term_echoing; /* Does terminal want local echo? */
+static int term_editing; /* Does terminal want local edit? */
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 char osc_string[OSC_STR_MAX+1];
static int osc_w;
-static unsigned char *tabs;
-
-#define MAXNL 5
-static int nl_count;
+static char id_string[1024] = "\033[?6c";
-static int scroll_heuristic;
+static unsigned char *tabs;
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 {
};
static unsigned char sel_nl[] = SEL_NL;
+static char * paste_buffer = 0;
+static int paste_len, paste_pos, paste_hold;
/*
* Internal prototypes.
static void swap_screen (int);
static void update_sbar (void);
static void deselect (void);
+/* log session to file stuff ... */
+static FILE *lgfp = NULL;
+static void logtraffic(unsigned char c, int logmode);
/*
* Set up power-on settings for the terminal.
alt_cset = cset = 0;
cset_attr[0] = cset_attr[1] = ATTR_ASCII;
rvideo = 0;
+ cursor_on = 1;
save_attr = curr_attr = ATTR_DEFAULT;
+ term_editing = term_echoing = FALSE;
+ ldisc_send(NULL, 0); /* cause ldisc to notice changes */
app_cursor_keys = cfg.app_cursor;
app_keypad_keys = cfg.app_keypad;
+ use_bce = cfg.bce;
+ blink_is_real = cfg.blinktext;
+ erase_char = ERASE_CHAR;
alt_which = 0;
{
int i;
Context ctx;
ctx = get_ctx();
if (ctx) {
+ if ( (seen_key_event && (cfg.scroll_on_key)) ||
+ (seen_disp_event && (cfg.scroll_on_disp)) ) {
+ disptop = scrtop;
+ seen_disp_event = seen_key_event = 0;
+ update_sbar();
+ }
do_paint (ctx, TRUE);
+ sys_cursor(curs_x, curs_y + (scrtop - disptop) / (cols+1));
free_ctx (ctx);
- nl_count = 0;
- scroll_heuristic = 0;
}
}
* Initialise the terminal.
*/
void term_init(void) {
- text = sbtop = scrtop = disptop = cpos = NULL;
+ text = sbtop = sbbot = scrtop = disptop = cpos = NULL;
disptext = wanttext = NULL;
tabs = NULL;
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;
newtext = smalloc ((newrows+newsavelines)*(newcols+1)*TSIZE);
- disptop = newtext + newsavelines*(newcols+1);
+ sbbot = newtext + newsavelines*(newcols+1);
for (i=0; i<(newrows+newsavelines)*(newcols+1); i++)
- newtext[i] = ERASE_CHAR;
+ newtext[i] = erase_char;
if (rows != -1) {
crows = rows + (scrtop - sbtop) / (cols+1);
if (crows > newrows+newsavelines)
crows = newrows+newsavelines;
+ if (newrows>crows)
+ disptop = newtext;
+ else
+ disptop = newtext + (crows-newrows)*(newcols+1);
ccols = (cols < newcols ? cols : newcols);
for (i=0; i<crows; i++) {
- int oldidx = (rows + savelines - crows + i) * (cols+1);
- int newidx = (newrows + newsavelines - crows + i) * (newcols+1);
+ int oldidx = (rows - crows + i) * (cols+1);
+ int newidx = (newrows - crows + i) * (newcols+1);
+
for (j=0; j<ccols; j++)
- newtext[newidx+j] = text[oldidx+j];
- newtext[newidx+newcols] =
- (cols == newcols ? text[oldidx+cols] : 0);
+ disptop[newidx+j] = scrtop[oldidx+j];
+ disptop[newidx+newcols] =
+ (cols == newcols ? scrtop[oldidx+cols]
+ : (scrtop[oldidx+cols]&LATTR_MODE));
}
- sbtop = disptop - (crows - newrows) * (newcols+1);
- if (sbtop > disptop)
- sbtop = disptop;
- } else
- sbtop = disptop;
+ sbtop = newtext;
+ } else {
+ sbtop = disptop = newtext;
+ }
scrtop = disptop;
sfree (text);
text = newtext;
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();
}
fix_cpos;
}
-/*
- * Retrieve a character from `inbuf'.
- */
-static int inbuf_getc(void) {
- if (inbuf_head == inbuf_reap)
- return -1; /* EOF */
- else {
- int n = inbuf_reap;
- inbuf_reap = (inbuf_reap+1) & INBUF_MASK;
- return inbuf[n];
- }
-}
-
/*
* Update the scroll bar.
*/
*/
static void scroll (int topline, int botline, int lines, int sb) {
unsigned long *scroll_top;
+ unsigned long *newscr;
int scroll_size, size, i;
+ int scrtop_is_disptop = (scrtop==disptop);
+static int recursive = 0;
+
+ /* Only scroll more than the window if we're doing a 10% scroll */
+ if (!recursive && lines > botline - topline + 1)
+ lines = botline - topline + 1;
scroll_top = scrtop + topline*(cols+1);
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 effect the scrollback buffer.
+ *
+ * This is normally done by moving the position the screen
+ * painter reads from to reduce the amount of memory copying
+ * required.
*/
- sbtop -= lines * (cols+1);
- if (sbtop < text)
- sbtop = text;
- scroll_size += scroll_top - sbtop;
- scroll_top = sbtop;
- update_sbar();
+ if (scroll_size >= 0 && !recursive) {
+ newscr = scrtop + lines * (cols+1);
+
+ if (newscr > sbbot && botline == rows-1) {
+ /* We've hit the bottom of memory, so we have to do a
+ * physical scroll. But instead of just 1 line do it
+ * by 10% of the available memory.
+ *
+ * If the scroll region isn't the whole screen then we can't
+ * do this as it stands. We would need to recover the bottom
+ * of the screen from the scroll buffer after being sure that
+ * it doesn't get deleted.
+ */
+
+ i = (rows+savelines)/10;
+
+ /* Make it simple and ensure safe recursion */
+ if ( i<savelines-1) {
+ recursive ++;
+ scroll(topline, botline, i, sb);
+ recursive --;
+
+ newscr = scrtop - i * (cols+1);
+ if (scrtop_is_disptop) disptop = newscr;
+ scrtop = newscr;
+ }
+
+ newscr = scrtop + lines * (cols+1);
+ }
+
+ if (newscr <= sbbot) {
+ if (scrtop_is_disptop) disptop = newscr;
+ scrtop = newscr;
+
+ if (botline == rows-1 )
+ for (i = 0; i < size; i++)
+ scrtop[i+scroll_size] = erase_char;
+
+ update_sbar();
+ fix_cpos;
+
+ if (botline != rows-1) {
+ /* This fastscroll only works for full window scrolls.
+ * If the caller wanted a partial one we have to reverse
+ * scroll the bottom of the screen.
+ */
+ scroll(botline-lines+1, rows-1, -lines, 0);
+ }
+ return ;
+ }
+
+ /* If we can't scroll by memory remapping do it physically.
+ * But rather than expensivly doing the scroll buffer just
+ * scroll the screen. All it means is that sometimes we choose
+ * to not add lines from a scroll region to the scroll buffer.
+ */
+
+ if (savelines <= 400) {
+ sbtop -= lines * (cols+1);
+ if (sbtop < text)
+ sbtop = text;
+ scroll_size += scroll_top - sbtop;
+ scroll_top = sbtop;
+
+ update_sbar();
+ }
+ } else {
+ /* Ho hum, expensive scroll required. */
+
+ sbtop -= lines * (cols+1);
+ if (sbtop < text)
+ sbtop = text;
+ scroll_size += scroll_top - sbtop;
+ scroll_top = sbtop;
+
+ update_sbar();
+ }
}
if (scroll_size < 0) {
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 (selend < scroll_top)
selend = scroll_top;
}
+ if (scrtop_is_disptop)
+ disptop = scrtop;
+ else
+ if (disptop > scroll_top &&
+ disptop < scroll_top + size + scroll_size) {
+ disptop -= size;
+ if (disptop < scroll_top)
+ disptop = scroll_top;
+ }
} else {
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;
if (selend > scroll_top + size + scroll_size)
selend = scroll_top + size + scroll_size;
}
+ if (scrtop_is_disptop)
+ disptop = scrtop;
+ else if (disptop > scroll_top &&
+ disptop < scroll_top + size + scroll_size) {
+ disptop += size;
+ if (disptop > scroll_top + size + scroll_size)
+ disptop = scroll_top + size + scroll_size;
+ }
}
-
- scroll_heuristic += lines;
}
/*
} else {
curs_x = save_x;
curs_y = save_y;
+ /* Make sure the window hasn't shrunk since the save */
+ if (curs_x >= cols) curs_x = cols-1;
+ if (curs_y >= rows) curs_y = rows-1;
+
curr_attr = save_attr;
cset = save_cset;
cset_attr[cset] = save_csattr;
fix_cpos;
+ if (use_bce) erase_char = (' ' |(curr_attr&(ATTR_FGMASK|ATTR_BGMASK)));
}
}
if (line_only) {
startpos = cpos - curs_x;
- endpos = startpos + cols+1;
+ endpos = startpos + cols;
+ /* I've removed the +1 so that the Wide screen stuff is not
+ * removed when it shouldn't be.
+ */
} else {
startpos = scrtop;
endpos = startpos + rows * (cols+1);
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 8: /* auto key repeat */
+ repeat_off = !state;
+ break;
+ case 10: /* set local edit mode */
+ term_editing = state;
+ ldisc_send(NULL, 0); /* cause ldisc to notice changes */
+ break;
+ case 25: /* enable/disable cursor */
+ compatibility2(OTHER,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 */
+ term_echoing = !state;
+ ldisc_send(NULL, 0); /* cause ldisc to notice changes */
+ break;
+ case 20: /* Return sends ... */
+ cr_lf_return = state;
+ break;
}
}
* process escape sequences...
*/
void term_out(void) {
- int c;
- int must_update = FALSE;
+ int c, inbuf_reap;
- while ( (c = inbuf_getc()) != -1) {
-#ifdef LOG
- {
- static FILE *fp = NULL;
- if (!fp) fp = fopen("putty.log", "wb");
- if (fp) fputc (c, fp);
- }
-#endif
- switch (termstate) {
- case TOPLEVEL:
- do_toplevel:
+static int beep_overload = 0;
+ int beep_count = 0;
+
+ for(inbuf_reap = 0; inbuf_reap < inbuf_head; inbuf_reap++)
+ {
+ c = inbuf[inbuf_reap];
+
+ /*
+ * Optionally log the session traffic to a file. Useful for
+ * debugging and possibly also useful for actual logging.
+ */
+ logtraffic((unsigned char)c, LGTYP_DEBUG);
+
+ /* 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 || c == '\177') &&
+ 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();
+ beep_count++;
+ if(beep_count>6) beep_overload=1;
disptop = scrtop;
- must_update = TRUE;
break;
case '\b':
- if (curs_x == 0 && curs_y > 0)
+ if (curs_x == 0 && curs_y == 0)
+ ;
+ else if (curs_x == 0 && curs_y > 0)
curs_x = cols-1, curs_y--;
else if (wrapnext)
wrapnext = FALSE;
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;
+ paste_hold = 0;
+ logtraffic((unsigned char)c,LGTYP_ASCII);
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;
+ paste_hold = 0;
+ logtraffic((unsigned char)c,LGTYP_ASCII);
break;
case '\t':
- do {
- curs_x++;
- } while (curs_x < cols-1 && !tabs[curs_x]);
- if (curs_x >= cols)
- curs_x = cols-1;
{
unsigned long *old_cpos = cpos;
+ unsigned long *p = scrtop + curs_y * (cols+1) + cols;
+
+ do {
+ curs_x++;
+ } while (curs_x < cols-1 && !tabs[curs_x]);
+
+ if ((*p & LATTR_MODE) != LATTR_NORM)
+ {
+ if (curs_x >= cols/2)
+ curs_x = cols/2-1;
+ }
+ else
+ {
+ if (curs_x >= cols)
+ curs_x = cols-1;
+ }
+
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;
+ case '\177': /* Destructive backspace
+ This does nothing on a real VT100 */
+ compatibility(OTHER);
+ if (curs_x && !wrapnext) curs_x--;
+ wrapnext = FALSE;
+ fix_cpos;
+ *cpos = (' ' | curr_attr | ATTR_ASCII);
+ break;
+ }
+ }
+ else switch (termstate) {
+ case TOPLEVEL:
+ /* Only graphic characters get this far, ctrls are stripped above */
+ if (wrapnext && wrap) {
+ 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<0x5f || c>0x7F)
+ *cpos++ = xlat_tty2scr((unsigned char)c) | curr_attr |
+ ATTR_ASCII;
+ else if (c==0x5F)
+ *cpos++ = ' ' | curr_attr | ATTR_ASCII;
+ else
+ *cpos++ = ((unsigned char)c) | curr_attr | ATTR_LINEDRW;
+ break;
+ case ATTR_GBCHR:
+ /* If UK-ASCII, make the '#' a LineDraw Pound */
+ if (c == '#') {
+ *cpos++ = '}' | curr_attr | ATTR_LINEDRW;
+ break;
}
+ /*FALLTHROUGH*/
+ default:
+ *cpos = xlat_tty2scr((unsigned char)c) | curr_attr |
+ (c <= 0x7F ? cset_attr[cset] : ATTR_ASCII);
+ logtraffic((unsigned char)c, LGTYP_ASCII);
+ cpos++;
+ break;
+ }
+ curs_x++;
+ if (curs_x == cols) {
+ cpos--;
+ curs_x--;
+ wrapnext = TRUE;
}
+ 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)
scroll (marg_t, marg_b, 1, TRUE);
else if (curs_y < rows-1)
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 (id_string, strlen(id_string));
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 (id_string, strlen(id_string));
break;
case 'n': /* cursor position query */
if (esc_args[0] == 6) {
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) {
+ 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 */
+ 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 ? rows :
+ bot = (esc_nargs <= 1 || esc_args[1] == 0 ? rows :
def(esc_args[1], rows)) - 1;
if (bot >= rows)
bot = rows-1;
- if (top <= bot) {
+ /* VTTEST Bug 9 - if region is less than 2 lines
+ * don't change region.
+ */
+ if (bot-top > 0) {
marg_t = top;
marg_b = bot;
curs_x = 0;
* 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 */
+ compatibility2(OTHER,VT220);
curr_attr &= ~ATTR_BOLD; break;
case 24: /* disable underline */
+ compatibility2(OTHER,VT220);
curr_attr &= ~ATTR_UNDER; break;
+ case 25: /* disable blink */
+ compatibility2(OTHER,VT220);
+ curr_attr &= ~ATTR_BLINK; break;
case 27: /* disable reverse video */
+ compatibility2(OTHER,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|ATTR_BLINK))
+ );
}
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)) {
+ request_resize (cols, def(esc_args[0], 24), 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]>0) {
+ request_resize (cols, def(esc_args[0], cfg.height), 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) {
+ request_resize (def(esc_args[0], cfg.width), rows, 0);
+ deselect();
+ }
break;
case 'X': /* write N spaces w/o moving cursor */
+ /* XXX VTTEST says this is vt220, vt510 manual says vt100 */
+ compatibility(ANSIMIN);
{
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('E','='):
+ compatibility(OTHER);
+ blink_is_real = (esc_args[0]>=1);
+ 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 in 40..42 are a PuTTY extension.
+ * The 2nd arg, 8bit vs 7bit is not checked.
+ *
+ * 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!
+ */
+
+ switch (esc_args[0]) {
+ case 61: compatibility_level &= ~TM_VTXXX;
+ compatibility_level |= TM_VT102; break;
+ case 62: compatibility_level &= ~TM_VTXXX;
+ compatibility_level |= TM_VT220; break;
+
+ default: if( esc_args[0] > 60 && esc_args[0] < 70 )
+ compatibility_level |= TM_VTXXX;
+ break;
+
+ case 40: compatibility_level &= TM_VTXXX; break;
+ case 41: compatibility_level = TM_PUTTY; break;
+ case 42: compatibility_level = TM_SCOANSI; break;
+
+ case ARG_DEFAULT:
+ compatibility_level = TM_PUTTY; break;
+ case 50: break;
+ }
+
+ /* Change the response to CSI c */
+ if (esc_args[0] == 50) {
+ int i;
+ char lbuf[64];
+ strcpy(id_string, "\033[?");
+ for (i=1; i<esc_nargs; i++) {
+ if (i!=1) strcat(id_string, ";");
+ sprintf(lbuf, "%d", esc_args[i]);
+ strcat(id_string, lbuf);
+ }
+ strcat(id_string, "c");
+ }
+
+#if 0
+ /* Is this a good idea ?
+ * Well we should do a soft reset at this point ...
+ */
+ if (!has_compat(VT420) && has_compat(VT100)) {
+ if (reset_132) request_resize (132, 24, 1);
+ else request_resize ( 80, 24, 1);
+ }
+#endif
+ 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';
}
break;
case SEEN_ESCHASH:
- if (c == '8') {
- unsigned long *p = scrtop;
- int n = rows * (cols+1);
- while (n--)
- *p++ = ATTR_DEFAULT | 'E';
+ {
+ unsigned long *p;
+ unsigned long nlattr;
+ int n;
+
+ switch (c) {
+ case '8':
+ p = scrtop;
+ n = rows * (cols+1);
+ while (n--)
+ *p++ = ATTR_DEFAULT | 'E';
+ disptop = scrtop;
+ seen_disp_event = TRUE;
+ check_selection (scrtop, scrtop + rows * (cols+1));
+ break;
+
+ case '3': nlattr = LATTR_TOP; if(0) {
+ case '4': nlattr = LATTR_BOT; } if(0) {
+ case '5': nlattr = LATTR_NORM; } if(0) {
+ case '6': nlattr = LATTR_WIDE; }
+
+ p = scrtop + curs_y * (cols+1) + cols;
+ *p &= ~LATTR_MODE;
+ *p |= nlattr;
+ }
+ }
+ 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;
- must_update = TRUE;
- check_selection (scrtop, scrtop + rows * (cols+1));
+ 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_keypad_keys = TRUE;
+ break;
+ case '>':
+ app_keypad_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);
+ }
+ inbuf_head = 0;
+
+ if (beep_overload)
+ {
+ if(!beep_count) beep_overload=0;
}
-
- if (must_update || nl_count > MAXNL)
- term_update();
+ else if(beep_count && beep_count<5 && cfg.beep)
+ beep(beep_count/3);
}
/*
* Given a context, update the window. Out of paranoia, we don't
* allow WM_PAINT responses to do scrolling optimisations.
*/
-static void do_paint (Context ctx, int may_optimise){
+static void do_paint (Context ctx, int may_optimise){
int i, j, start, our_curs_y;
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;
+ if (wrapnext)
+ cursor |= ATTR_RIGHTCURS;
+ }
+ else cursor = 0;
rv = (rvideo ? ATTR_REVERSE : 0);
our_curs_y = curs_y + (scrtop - disptop) / (cols+1);
for (i=0; i<rows; i++) {
int idx = i*(cols+1);
+ int lattr = (disptop[idx+cols] & LATTR_MODE);
for (j=0; j<=cols; j++,idx++) {
unsigned long *d = disptop+idx;
- wanttext[idx] = ((*d ^ rv
+ wanttext[idx] = lattr | (((*d &~ ATTR_WRAPPED) ^ rv
^ (selstart <= d && d < selend ?
ATTR_REVERSE : 0)) |
(i==our_curs_y && j==curs_x ? cursor : 0));
+ if (blink_is_real) {
+ if (has_focus && tblinker && (wanttext[idx]&ATTR_BLINK) )
+ {
+ wanttext[idx] &= ATTR_MASK;
+ wanttext[idx] += ' ';
+ }
+ wanttext[idx] &= ~ATTR_BLINK;
+ }
}
}
for (i=0; i<rows; i++) {
int idx = i*(cols+1);
+ int lattr = (wanttext[idx+cols] & LATTR_MODE);
start = -1;
for (j=0; j<=cols; j++,idx++) {
unsigned long t = wanttext[idx];
(t & ATTR_MASK) == attr &&
j-start < sizeof(ch));
if (start != -1 && !keep_going) {
- do_text (ctx, start, i, ch, j-start, attr);
+ do_text (ctx, start, i, ch, j-start, attr, lattr);
start = -1;
}
if (needs_update) {
}
}
+/*
+ * Flick the switch that says if blinking things should be shown or hidden.
+ */
+
+void term_blink(int flg) {
+static long last_blink = 0;
+static long last_tblink = 0;
+ long now, blink_diff;
+
+ now = GetTickCount();
+ blink_diff = now-last_tblink;
+
+ /* Make sure the text blinks no more than 2Hz */
+ if (blink_diff<0 || blink_diff>450)
+ {
+ last_tblink = now;
+ tblinker = !tblinker;
+ }
+
+ if (flg) {
+ blinker = 1;
+ last_blink = now;
+ return;
+ }
+
+ 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.
*/
top = t / font_height;
bottom = (b - 1) / font_height;
for (i = top; i <= bottom && i < rows ; i++)
- for (j = left; j <= right && j < cols ; j++)
- disptext[i*(cols+1)+j] = ATTR_INVALID;
+ {
+ if ( (disptext[i*(cols+1)+cols]&LATTR_MODE) == LATTR_NORM)
+ for (j = left; j <= right && j < cols ; j++)
+ disptext[i*(cols+1)+j] = ATTR_INVALID;
+ else
+ for (j = left/2; j <= right/2+1 && 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);
+ */
}
/*
term_update();
}
+static void clipme(unsigned long *top, unsigned long *bottom, char *workbuf) {
+ char *wbptr; /* where next char goes within workbuf */
+ int wblen = 0; /* workbuf len */
+ int buflen; /* amount of memory allocated to workbuf */
+
+ if ( workbuf != NULL ) { /* user supplied buffer? */
+ buflen = -1; /* assume buffer passed in is big enough */
+ wbptr = workbuf; /* start filling here */
+ }
+ else
+ buflen = 0; /* No data is available yet */
+
+ while (top < bottom) {
+ int nl = FALSE;
+ unsigned long *lineend = top - (top-text) % (cols+1) + cols;
+ unsigned long *nlpos = lineend;
+
+ if (!(*nlpos & ATTR_WRAPPED)) {
+ while ((nlpos[-1] & CHAR_MASK) == 0x20 && nlpos > top)
+ nlpos--;
+ if (nlpos < bottom)
+ nl = TRUE;
+ }
+ while (top < nlpos && top < bottom)
+ {
+#if 0
+ /* VT Specials -> ISO8859-1 */
+ static const char poorman2[] =
+"* # HTFFCRLF\xB0 \xB1 NLVT+ + + + + - - - - - + + + + | <=>=PI!=\xA3 \xB7 ";
+#endif
+
+ int ch = (*top & CHAR_MASK);
+
+#if 0
+ if ((*top & ATTR_LINEDRW) && ch >= 0x60 && ch < 0x7F) {
+ int x;
+ *wbptr++ = poorman2[2*(ch-0x60)];
+ if ( (x = poorman2[2*(ch-0x60)+1]) != ' ')
+ *wbptr++ = x;
+ } else
+#endif
+#if 0
+ if ((*top & ATTR_GBCHR) && ch == '#')
+ *wbptr++ = (unsigned char) 0xA3;
+ else
+#endif
+ if ( wblen == buflen )
+ {
+ workbuf = srealloc(workbuf, buflen += 100);
+ wbptr = workbuf + wblen;
+ }
+ wblen++;
+ *wbptr++ = (unsigned char) ch;
+ top++;
+ }
+ if (nl) {
+ int i;
+ for (i=0; i<sizeof(sel_nl); i++)
+ {
+ if ( wblen == buflen )
+ {
+ workbuf = srealloc(workbuf, buflen += 100);
+ wbptr = workbuf + wblen;
+ }
+ wblen++;
+ *wbptr++ = sel_nl[i];
+ }
+ }
+ top = lineend + 1; /* start of next line */
+ }
+ write_clip (workbuf, wblen, FALSE); /* transfer to clipboard */
+ if ( buflen > 0 ) /* indicates we allocated this buffer */
+ sfree(workbuf);
+
+}
+void term_copyall (void) {
+ clipme(sbtop, cpos, NULL /* dynamic allocation */);
+}
+
/*
* Spread the selection outwards according to the selection mode.
*/
if (y<0) y = 0;
if (y>=rows) y = rows-1;
- if (x<0) x = 0;
+ if (x<0) {
+ if (y > 0) {
+ x = cols-1;
+ y--;
+ } else
+ x = 0;
+ }
if (x>=cols) x = cols-1;
- selpoint = disptop + y * (cols+1) + x;
+ selpoint = disptop + y * (cols+1);
+ if ((selpoint[cols]&LATTR_MODE) != LATTR_NORM)
+ selpoint += x/2;
+ else
+ selpoint += x;
if (b == MB_SELECT && a == MA_CLICK) {
deselect();
* We've completed a selection. We now transfer the
* data to the clipboard.
*/
- unsigned char *p = selspace;
- unsigned long *q = selstart;
-
- while (q < selend) {
- int nl = FALSE;
- unsigned long *lineend = q - (q-text) % (cols+1) + cols;
- unsigned long *nlpos = lineend;
-
- if (!(*nlpos & ATTR_WRAPPED)) {
- while ((nlpos[-1] & CHAR_MASK) == 0x20 && nlpos > q)
- nlpos--;
- if (nlpos < selend)
- nl = TRUE;
- }
- while (q < nlpos && q < selend)
- *p++ = (unsigned char) (*q++ & CHAR_MASK);
- if (nl) {
- int i;
- for (i=0; i<sizeof(sel_nl); i++)
- *p++ = sel_nl[i];
- }
- q = lineend + 1; /* start of next line */
- }
- write_clip (selspace, p - selspace);
+ clipme(selstart, selend, selspace);
selstate = SELECTED;
} else
selstate = NO_SELECTION;
get_clip((void **) &data, &len);
if (data) {
char *p, *q;
+
+ if (paste_buffer) sfree(paste_buffer);
+ paste_pos = paste_hold = paste_len = 0;
+ paste_buffer = smalloc(len);
+
p = q = data;
while (p < data+len) {
while (p < data+len &&
!(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]);
+ paste_buffer[paste_len++] = c;
+ }
+ }
+
if (p <= data+len-sizeof(sel_nl) &&
!memcmp(p, sel_nl, sizeof(sel_nl))) {
- back->send ("\r", 1);
+ paste_buffer[paste_len++] = '\r';
p += sizeof(sel_nl);
}
q = p;
}
+
+ /* Assume a small paste will be OK in one go. */
+ if (paste_len<256) {
+ ldisc_send (paste_buffer, paste_len);
+ if (paste_buffer) sfree(paste_buffer);
+ paste_buffer = 0;
+ paste_pos = paste_hold = paste_len = 0;
+ }
}
get_clip(NULL, NULL);
}
term_update();
}
+void term_nopaste() {
+ if(paste_len == 0) return;
+ sfree(paste_buffer);
+ paste_buffer = 0;
+ paste_len = 0;
+}
+
+void term_paste() {
+ static long last_paste = 0;
+ long now, paste_diff;
+
+ if(paste_len == 0) return;
+
+ /* Don't wait forever to paste */
+ if(paste_hold) {
+ now = GetTickCount();
+ paste_diff = now-last_paste;
+ if (paste_diff>=0 && paste_diff<450)
+ return;
+ }
+ paste_hold = 0;
+
+ while(paste_pos<paste_len)
+ {
+ int n = 0;
+ while (n + paste_pos < paste_len) {
+ if (paste_buffer[paste_pos + n++] == '\r')
+ break;
+ }
+ ldisc_send (paste_buffer+paste_pos, n);
+ paste_pos += n;
+
+ if (paste_pos < paste_len) {
+ paste_hold = 1;
+ return;
+ }
+ }
+ sfree(paste_buffer);
+ paste_buffer = 0;
+ paste_len = 0;
+}
+
static void deselect (void) {
selstate = NO_SELECTION;
selstart = selend = scrtop;
deselect();
term_update();
}
+
+int term_ldisc(int option) {
+ if (option == LD_ECHO) return term_echoing;
+ if (option == LD_EDIT) return term_editing;
+ return FALSE;
+}
+
+/*
+ * from_backend(), to get data from the backend for the terminal.
+ */
+void from_backend(int is_stderr, char *data, int len) {
+ while (len--) {
+ if (inbuf_head >= INBUF_SIZE)
+ term_out();
+ inbuf[inbuf_head++] = *data++;
+ }
+}
+
+/*
+ * Log session traffic.
+ */
+void logtraffic(unsigned char c, int logmode) {
+ if (cfg.logtype > 0) {
+ if (cfg.logtype == logmode) {
+ /* deferred open file from pgm start? */
+ if (!lgfp) logfopen();
+ if (lgfp) fputc (c, lgfp);
+ }
+ }
+}
+
+/* open log file append/overwrite mode */
+void logfopen(void) {
+ char buf[256];
+ time_t t;
+ struct tm *tm;
+ char writemod[4];
+
+ if (!cfg.logtype)
+ return;
+ sprintf (writemod, "wb"); /* default to rewrite */
+ lgfp = fopen(cfg.logfilename, "r"); /* file already present? */
+ if (lgfp) {
+ int i;
+ fclose(lgfp);
+ i = askappend(cfg.logfilename);
+ if (i == 1)
+ writemod[0] = 'a'; /* set append mode */
+ else if (i == 0) { /* cancelled */
+ lgfp = NULL;
+ cfg.logtype = 0; /* disable logging */
+ return;
+ }
+ }
+
+ lgfp = fopen(cfg.logfilename, writemod);
+ if (lgfp) { /* enter into event log */
+ sprintf(buf, "%s session log (%s mode) to file : ",
+ (writemod[0] == 'a') ? "Appending" : "Writing new",
+ (cfg.logtype == LGTYP_ASCII ? "ASCII" :
+ cfg.logtype == LGTYP_DEBUG ? "raw" : "<ukwn>") );
+ /* Make sure we do not exceed the output buffer size */
+ strncat (buf, cfg.logfilename, 128);
+ buf[strlen(buf)] = '\0';
+ logevent(buf);
+
+ /* --- write header line iinto log file */
+ fputs ("=~=~=~=~=~=~=~=~=~=~=~= PuTTY log ", lgfp);
+ time(&t);
+ tm = localtime(&t);
+ strftime(buf, 24, "%Y.%m.%d %H:%M:%S", tm);
+ fputs (buf, lgfp);
+ fputs (" =~=~=~=~=~=~=~=~=~=~=~=\r\n", lgfp);
+ }
+}
+
+void logfclose (void) {
+ if (lgfp) { fclose(lgfp); lgfp = NULL; }
+}