зеркало из https://github.com/github/putty.git
3385 строки
82 KiB
C
3385 строки
82 KiB
C
#include <windows.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
|
|
#include <time.h>
|
|
#include <assert.h>
|
|
#include "putty.h"
|
|
#include "tree234.h"
|
|
|
|
#define VT52_PLUS
|
|
|
|
#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 tree234 *scrollback; /* lines scrolled off top of screen */
|
|
static tree234 *screen; /* lines on primary screen */
|
|
static tree234 *alt_screen; /* lines on alternate screen */
|
|
static int disptop; /* distance scrolled back (0 or -ve) */
|
|
|
|
static unsigned long *cpos; /* cursor position (convenience) */
|
|
|
|
static unsigned long *disptext; /* buffer of text on real screen */
|
|
static unsigned long *dispcurs; /* location of cursor on real screen */
|
|
static unsigned long curstype; /* type of cursor on real screen */
|
|
|
|
#define VBELL_TIMEOUT 100 /* millisecond len of visual bell */
|
|
|
|
struct beeptime {
|
|
struct beeptime *next;
|
|
long ticks;
|
|
};
|
|
static struct beeptime *beephead, *beeptail;
|
|
int nbeeps;
|
|
int beep_overloaded;
|
|
long lastbeep;
|
|
|
|
#define TSIZE (sizeof(unsigned long))
|
|
#define fix_cpos do { cpos = lineptr(curs.y) + curs.x; } while(0)
|
|
|
|
static unsigned long curr_attr, save_attr;
|
|
static unsigned long erase_char = ERASE_CHAR;
|
|
|
|
typedef struct {
|
|
int y, x;
|
|
} pos;
|
|
#define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) )
|
|
#define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) )
|
|
#define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x )
|
|
#define posdiff(p1,p2) ( ((p1).y - (p2).y) * (cols+1) + (p1).x - (p2).x )
|
|
#define incpos(p) ( (p).x == cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) )
|
|
#define decpos(p) ( (p).x == 0 ? ((p).x = cols, (p).y--, 1) : ((p).x--, 0) )
|
|
|
|
static pos curs; /* cursor */
|
|
static pos savecurs; /* saved cursor position */
|
|
static int marg_t, marg_b; /* scroll margins */
|
|
static int dec_om; /* DEC origin mode flag */
|
|
static int wrap, wrapnext; /* wrap flags */
|
|
static int insert; /* insert-mode flag */
|
|
static int cset; /* 0 or 1: which char set */
|
|
static int save_cset, save_csattr; /* saved with cursor position */
|
|
static int save_utf; /* saved with cursor position */
|
|
static int rvideo; /* global reverse video flag */
|
|
static int rvbell_timeout; /* for ESC[?5hESC[?5l vbell */
|
|
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 int sco_acs, save_sco_acs; /* CSI 10,11,12m -> OEM charset */
|
|
static int vt52_bold; /* Force bold on non-bold colours */
|
|
static int utf_state; /* Is there a pending UTF-8 character */
|
|
static int utf_char; /* and what is it so far. */
|
|
static int utf_size; /* The size of the UTF character. */
|
|
|
|
static int xterm_mouse; /* send mouse messages to app */
|
|
|
|
static unsigned long cset_attr[2];
|
|
|
|
/*
|
|
* Saved settings on the alternate screen.
|
|
*/
|
|
static int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset, alt_sco_acs, alt_utf;
|
|
static int alt_t, alt_b;
|
|
static int alt_which;
|
|
|
|
#define ARGS_MAX 32 /* max # of esc sequence arguments */
|
|
#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 char id_string[1024] = "\033[?6c";
|
|
|
|
static unsigned char *tabs;
|
|
|
|
static enum {
|
|
TOPLEVEL,
|
|
SEEN_ESC,
|
|
SEEN_CSI,
|
|
SEEN_OSC,
|
|
SEEN_OSC_W,
|
|
|
|
DO_CTRLS,
|
|
|
|
SEEN_OSC_P,
|
|
OSC_STRING, OSC_MAYBE_ST,
|
|
VT52_ESC,
|
|
VT52_Y1,
|
|
VT52_Y2,
|
|
VT52_FG,
|
|
VT52_BG
|
|
} termstate;
|
|
|
|
static enum {
|
|
NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED
|
|
} selstate;
|
|
static enum {
|
|
SM_CHAR, SM_WORD, SM_LINE
|
|
} selmode;
|
|
static pos selstart, selend, selanchor;
|
|
|
|
static short wordness[256] = {
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* 01 */
|
|
0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 1, 1, 1, 1, 1, 1, /* 23 */
|
|
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 1, 1, 1, 1, 2, /* 45 */
|
|
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 1, 1, 1, 1, 1, /* 67 */
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, /* 89 */
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, /* AB */
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
|
|
2, 2, 2, 2, 2, 2, 2, 2, /* CD */
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
|
|
2, 2, 2, 2, 2, 2, 2, 2, /* EF */
|
|
};
|
|
|
|
#define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t))
|
|
static wchar_t sel_nl[] = SEL_NL;
|
|
static wchar_t *paste_buffer = 0;
|
|
static int paste_len, paste_pos, paste_hold;
|
|
|
|
/*
|
|
* Internal prototypes.
|
|
*/
|
|
static void do_paint(Context, int);
|
|
static void erase_lots(int, int, int);
|
|
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);
|
|
|
|
/*
|
|
* Resize a line to make it `cols' columns wide.
|
|
*/
|
|
unsigned long *resizeline(unsigned long *line, int cols)
|
|
{
|
|
int i, oldlen;
|
|
unsigned long lineattrs;
|
|
|
|
if (line[0] != (unsigned long)cols) {
|
|
/*
|
|
* This line is the wrong length, which probably means it
|
|
* hasn't been accessed since a resize. Resize it now.
|
|
*/
|
|
oldlen = line[0];
|
|
lineattrs = line[oldlen + 1];
|
|
line = srealloc(line, TSIZE * (2 + cols));
|
|
line[0] = cols;
|
|
for (i = oldlen; i < cols; i++)
|
|
line[i + 1] = ERASE_CHAR;
|
|
line[cols + 1] = lineattrs & LATTR_MODE;
|
|
}
|
|
|
|
return line;
|
|
}
|
|
|
|
/*
|
|
* Retrieve a line of the screen or of the scrollback, according to
|
|
* whether the y coordinate is non-negative or negative
|
|
* (respectively).
|
|
*/
|
|
unsigned long *lineptr(int y, int lineno)
|
|
{
|
|
unsigned long *line, *newline;
|
|
tree234 *whichtree;
|
|
int treeindex;
|
|
|
|
if (y >= 0) {
|
|
whichtree = screen;
|
|
treeindex = y;
|
|
} else {
|
|
whichtree = scrollback;
|
|
treeindex = y + count234(scrollback);
|
|
}
|
|
line = index234(whichtree, treeindex);
|
|
|
|
/* We assume that we don't screw up and retrieve something out of range. */
|
|
assert(line != NULL);
|
|
|
|
newline = resizeline(line, cols);
|
|
if (newline != line) {
|
|
delpos234(whichtree, treeindex);
|
|
addpos234(whichtree, newline, treeindex);
|
|
line = newline;
|
|
}
|
|
|
|
return line + 1;
|
|
}
|
|
|
|
#define lineptr(x) lineptr(x,__LINE__)
|
|
/*
|
|
* Set up power-on settings for the terminal.
|
|
*/
|
|
static void power_on(void)
|
|
{
|
|
curs.x = curs.y = alt_x = alt_y = savecurs.x = savecurs.y = 0;
|
|
alt_t = marg_t = 0;
|
|
if (rows != -1)
|
|
alt_b = marg_b = rows - 1;
|
|
else
|
|
alt_b = marg_b = 0;
|
|
if (cols != -1) {
|
|
int i;
|
|
for (i = 0; i < cols; i++)
|
|
tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
|
|
}
|
|
alt_om = dec_om = cfg.dec_om;
|
|
alt_wnext = wrapnext = alt_ins = insert = FALSE;
|
|
alt_wrap = wrap = cfg.wrap_mode;
|
|
alt_cset = cset = 0;
|
|
alt_utf = utf = 0;
|
|
alt_sco_acs = sco_acs = 0;
|
|
cset_attr[0] = cset_attr[1] = ATTR_ASCII;
|
|
rvideo = 0;
|
|
in_vbell = FALSE;
|
|
cursor_on = 1;
|
|
big_cursor = 0;
|
|
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;
|
|
for (i = 0; i < 256; i++)
|
|
wordness[i] = cfg.wordness[i];
|
|
}
|
|
if (screen) {
|
|
swap_screen(1);
|
|
erase_lots(FALSE, TRUE, TRUE);
|
|
swap_screen(0);
|
|
erase_lots(FALSE, TRUE, TRUE);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Force a screen update.
|
|
*/
|
|
void term_update(void)
|
|
{
|
|
Context ctx;
|
|
ctx = get_ctx();
|
|
if (ctx) {
|
|
if (seen_disp_event)
|
|
update_sbar();
|
|
if ((seen_key_event && (cfg.scroll_on_key)) ||
|
|
(seen_disp_event && (cfg.scroll_on_disp))) {
|
|
disptop = 0; /* return to main screen */
|
|
seen_disp_event = seen_key_event = 0;
|
|
}
|
|
do_paint(ctx, TRUE);
|
|
sys_cursor(curs.x, curs.y - disptop);
|
|
free_ctx(ctx);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Same as power_on(), but an external function.
|
|
*/
|
|
void term_pwron(void)
|
|
{
|
|
power_on();
|
|
fix_cpos;
|
|
disptop = 0;
|
|
deselect();
|
|
term_update();
|
|
}
|
|
|
|
/*
|
|
* Clear the scrollback.
|
|
*/
|
|
void term_clrsb(void)
|
|
{
|
|
unsigned long *line;
|
|
disptop = 0;
|
|
while ((line = delpos234(scrollback, 0)) != NULL) {
|
|
sfree(line);
|
|
}
|
|
update_sbar();
|
|
}
|
|
|
|
/*
|
|
* Initialise the terminal.
|
|
*/
|
|
void term_init(void)
|
|
{
|
|
screen = alt_screen = scrollback = NULL;
|
|
disptop = 0;
|
|
disptext = dispcurs = NULL;
|
|
tabs = NULL;
|
|
deselect();
|
|
rows = cols = -1;
|
|
power_on();
|
|
beephead = beeptail = NULL;
|
|
nbeeps = 0;
|
|
lastbeep = FALSE;
|
|
beep_overloaded = FALSE;
|
|
}
|
|
|
|
/*
|
|
* Set up the terminal for a given size.
|
|
*/
|
|
void term_size(int newrows, int newcols, int newsavelines)
|
|
{
|
|
tree234 *newalt;
|
|
unsigned long *newdisp, *line;
|
|
int i, j;
|
|
int sblen;
|
|
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;
|
|
|
|
if (rows == -1) {
|
|
scrollback = newtree234(NULL);
|
|
screen = newtree234(NULL);
|
|
rows = 0;
|
|
}
|
|
|
|
/*
|
|
* Resize the screen and scrollback. We only need to shift
|
|
* lines around within our data structures, because lineptr()
|
|
* will take care of resizing each individual line if
|
|
* necessary. So:
|
|
*
|
|
* - If the new screen and the old screen differ in length, we
|
|
* must shunt some lines in from the scrollback or out to
|
|
* the scrollback.
|
|
*
|
|
* - If doing that fails to provide us with enough material to
|
|
* fill the new screen (i.e. the number of rows needed in
|
|
* the new screen exceeds the total number in the previous
|
|
* screen+scrollback), we must invent some blank lines to
|
|
* cover the gap.
|
|
*
|
|
* - Then, if the new scrollback length is less than the
|
|
* amount of scrollback we actually have, we must throw some
|
|
* away.
|
|
*/
|
|
sblen = count234(scrollback);
|
|
/* Do this loop to expand the screen if newrows > rows */
|
|
for (i = rows; i < newrows; i++) {
|
|
if (sblen > 0) {
|
|
line = delpos234(scrollback, --sblen);
|
|
} else {
|
|
line = smalloc(TSIZE * (newcols + 2));
|
|
line[0] = newcols;
|
|
for (j = 0; j <= newcols; j++)
|
|
line[j + 1] = ERASE_CHAR;
|
|
}
|
|
addpos234(screen, line, 0);
|
|
}
|
|
/* Do this loop to shrink the screen if newrows < rows */
|
|
for (i = newrows; i < rows; i++) {
|
|
line = delpos234(screen, 0);
|
|
addpos234(scrollback, line, sblen++);
|
|
}
|
|
assert(count234(screen) == newrows);
|
|
while (sblen > newsavelines) {
|
|
line = delpos234(scrollback, 0);
|
|
sfree(line);
|
|
sblen--;
|
|
}
|
|
assert(count234(scrollback) <= newsavelines);
|
|
disptop = 0;
|
|
|
|
newdisp = smalloc(newrows * (newcols + 1) * TSIZE);
|
|
for (i = 0; i < newrows * (newcols + 1); i++)
|
|
newdisp[i] = ATTR_INVALID;
|
|
sfree(disptext);
|
|
disptext = newdisp;
|
|
dispcurs = NULL;
|
|
|
|
newalt = newtree234(NULL);
|
|
for (i = 0; i < newrows; i++) {
|
|
line = smalloc(TSIZE * (newcols + 2));
|
|
line[0] = newcols;
|
|
for (j = 0; j <= newcols; j++)
|
|
line[j + 1] = erase_char;
|
|
addpos234(newalt, line, i);
|
|
}
|
|
if (alt_screen) {
|
|
while (NULL != (line = delpos234(alt_screen, 0)))
|
|
sfree(line);
|
|
freetree234(alt_screen);
|
|
}
|
|
alt_screen = newalt;
|
|
|
|
tabs = srealloc(tabs, newcols * sizeof(*tabs));
|
|
{
|
|
int i;
|
|
for (i = (cols > 0 ? cols : 0); i < newcols; i++)
|
|
tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
|
|
}
|
|
|
|
if (rows > 0)
|
|
curs.y += newrows - rows;
|
|
if (curs.y < 0)
|
|
curs.y = 0;
|
|
if (curs.y >= newrows)
|
|
curs.y = newrows - 1;
|
|
if (curs.x >= newcols)
|
|
curs.x = newcols - 1;
|
|
alt_x = alt_y = 0;
|
|
wrapnext = alt_wnext = FALSE;
|
|
|
|
rows = newrows;
|
|
cols = newcols;
|
|
savelines = newsavelines;
|
|
fix_cpos;
|
|
|
|
swap_screen(save_alt_which);
|
|
|
|
update_sbar();
|
|
term_update();
|
|
}
|
|
|
|
/*
|
|
* Swap screens.
|
|
*/
|
|
static void swap_screen(int which)
|
|
{
|
|
int t;
|
|
tree234 *ttr;
|
|
|
|
if (which == alt_which)
|
|
return;
|
|
|
|
alt_which = which;
|
|
|
|
ttr = alt_screen;
|
|
alt_screen = screen;
|
|
screen = ttr;
|
|
t = curs.x;
|
|
curs.x = alt_x;
|
|
alt_x = t;
|
|
t = curs.y;
|
|
curs.y = alt_y;
|
|
alt_y = t;
|
|
t = marg_t;
|
|
marg_t = alt_t;
|
|
alt_t = t;
|
|
t = marg_b;
|
|
marg_b = alt_b;
|
|
alt_b = t;
|
|
t = dec_om;
|
|
dec_om = alt_om;
|
|
alt_om = t;
|
|
t = wrap;
|
|
wrap = alt_wrap;
|
|
alt_wrap = t;
|
|
t = wrapnext;
|
|
wrapnext = alt_wnext;
|
|
alt_wnext = t;
|
|
t = insert;
|
|
insert = alt_ins;
|
|
alt_ins = t;
|
|
t = cset;
|
|
cset = alt_cset;
|
|
alt_cset = t;
|
|
t = utf;
|
|
utf = alt_utf;
|
|
alt_utf = t;
|
|
t = sco_acs;
|
|
sco_acs = alt_sco_acs;
|
|
alt_sco_acs = t;
|
|
|
|
fix_cpos;
|
|
}
|
|
|
|
/*
|
|
* Update the scroll bar.
|
|
*/
|
|
static void update_sbar(void)
|
|
{
|
|
int nscroll;
|
|
|
|
nscroll = count234(scrollback);
|
|
|
|
set_sbar(nscroll + rows, nscroll + disptop, rows);
|
|
}
|
|
|
|
/*
|
|
* Check whether the region bounded by the two pointers intersects
|
|
* the scroll region, and de-select the on-screen selection if so.
|
|
*/
|
|
static void check_selection(pos from, pos to)
|
|
{
|
|
if (poslt(from, selend) && poslt(selstart, to))
|
|
deselect();
|
|
}
|
|
|
|
/*
|
|
* Scroll the screen. (`lines' is +ve for scrolling forward, -ve
|
|
* for backward.) `sb' is TRUE if the scrolling is permitted to
|
|
* affect the scrollback buffer.
|
|
*
|
|
* NB this function invalidates all pointers into lines of the
|
|
* screen data structures. In particular, you MUST call fix_cpos
|
|
* after calling scroll() and before doing anything else that
|
|
* uses the cpos shortcut pointer.
|
|
*/
|
|
static void scroll(int topline, int botline, int lines, int sb)
|
|
{
|
|
unsigned long *line, *line2;
|
|
int i;
|
|
|
|
if (topline != 0 || alt_which != 0)
|
|
sb = FALSE;
|
|
|
|
if (lines < 0) {
|
|
while (lines < 0) {
|
|
line = delpos234(screen, botline);
|
|
line = resizeline(line, cols);
|
|
for (i = 0; i < cols; i++)
|
|
line[i + 1] = erase_char;
|
|
line[cols + 1] = 0;
|
|
addpos234(screen, line, topline);
|
|
|
|
if (selstart.y >= topline && selstart.y <= botline) {
|
|
selstart.y++;
|
|
if (selstart.y > botline) {
|
|
selstart.y = botline;
|
|
selstart.x = 0;
|
|
}
|
|
}
|
|
if (selend.y >= topline && selend.y <= botline) {
|
|
selend.y++;
|
|
if (selend.y > botline) {
|
|
selend.y = botline;
|
|
selend.x = 0;
|
|
}
|
|
}
|
|
|
|
lines++;
|
|
}
|
|
} else {
|
|
while (lines > 0) {
|
|
line = delpos234(screen, topline);
|
|
if (sb && savelines > 0) {
|
|
int sblen = count234(scrollback);
|
|
/*
|
|
* We must add this line to the scrollback. We'll
|
|
* remove a line from the top of the scrollback to
|
|
* replace it, or allocate a new one if the
|
|
* scrollback isn't full.
|
|
*/
|
|
if (sblen == savelines) {
|
|
sblen--, line2 = delpos234(scrollback, 0);
|
|
} else {
|
|
line2 = smalloc(TSIZE * (cols + 2));
|
|
line2[0] = cols;
|
|
}
|
|
addpos234(scrollback, line, sblen);
|
|
line = line2;
|
|
}
|
|
line = resizeline(line, cols);
|
|
for (i = 0; i < cols; i++)
|
|
line[i + 1] = erase_char;
|
|
line[cols + 1] = 0;
|
|
addpos234(screen, line, botline);
|
|
|
|
if (selstart.y >= topline && selstart.y <= botline) {
|
|
selstart.y--;
|
|
if (selstart.y < topline) {
|
|
selstart.y = topline;
|
|
selstart.x = 0;
|
|
}
|
|
}
|
|
if (selend.y >= topline && selend.y <= botline) {
|
|
selend.y--;
|
|
if (selend.y < topline) {
|
|
selend.y = topline;
|
|
selend.x = 0;
|
|
}
|
|
}
|
|
|
|
lines--;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Move the cursor to a given position, clipping at boundaries. We
|
|
* may or may not want to clip at the scroll margin: marg_clip is 0
|
|
* not to, 1 to disallow _passing_ the margins, and 2 to disallow
|
|
* even _being_ outside the margins.
|
|
*/
|
|
static void move(int x, int y, int marg_clip)
|
|
{
|
|
if (x < 0)
|
|
x = 0;
|
|
if (x >= cols)
|
|
x = cols - 1;
|
|
if (marg_clip) {
|
|
if ((curs.y >= marg_t || marg_clip == 2) && y < marg_t)
|
|
y = marg_t;
|
|
if ((curs.y <= marg_b || marg_clip == 2) && y > marg_b)
|
|
y = marg_b;
|
|
}
|
|
if (y < 0)
|
|
y = 0;
|
|
if (y >= rows)
|
|
y = rows - 1;
|
|
curs.x = x;
|
|
curs.y = y;
|
|
fix_cpos;
|
|
wrapnext = FALSE;
|
|
}
|
|
|
|
/*
|
|
* Save or restore the cursor and SGR mode.
|
|
*/
|
|
static void save_cursor(int save)
|
|
{
|
|
if (save) {
|
|
savecurs = curs;
|
|
save_attr = curr_attr;
|
|
save_cset = cset;
|
|
save_utf = utf;
|
|
save_csattr = cset_attr[cset];
|
|
save_sco_acs = sco_acs;
|
|
} else {
|
|
curs = savecurs;
|
|
/* 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;
|
|
utf = save_utf;
|
|
cset_attr[cset] = save_csattr;
|
|
sco_acs = save_sco_acs;
|
|
fix_cpos;
|
|
if (use_bce)
|
|
erase_char = (' ' | ATTR_ASCII |
|
|
(curr_attr & (ATTR_FGMASK | ATTR_BGMASK)));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Erase a large portion of the screen: the whole screen, or the
|
|
* whole line, or parts thereof.
|
|
*/
|
|
static void erase_lots(int line_only, int from_begin, int to_end)
|
|
{
|
|
pos start, end;
|
|
int erase_lattr;
|
|
unsigned long *ldata;
|
|
|
|
if (line_only) {
|
|
start.y = curs.y;
|
|
start.x = 0;
|
|
end.y = curs.y + 1;
|
|
end.x = 0;
|
|
erase_lattr = FALSE;
|
|
} else {
|
|
start.y = 0;
|
|
start.x = 0;
|
|
end.y = rows;
|
|
end.x = 0;
|
|
erase_lattr = TRUE;
|
|
}
|
|
if (!from_begin) {
|
|
start = curs;
|
|
}
|
|
if (!to_end) {
|
|
end = curs;
|
|
incpos(end);
|
|
}
|
|
check_selection(start, end);
|
|
|
|
/* Clear screen also forces a full window redraw, just in case. */
|
|
if (start.y == 0 && start.x == 0 && end.y == rows)
|
|
term_invalidate();
|
|
|
|
ldata = lineptr(start.y);
|
|
while (poslt(start, end)) {
|
|
if (start.x == cols && !erase_lattr)
|
|
ldata[start.x] &= ~LATTR_WRAPPED;
|
|
else
|
|
ldata[start.x] = erase_char;
|
|
if (incpos(start) && start.y < rows)
|
|
ldata = lineptr(start.y);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Insert or delete characters within the current line. n is +ve if
|
|
* insertion is desired, and -ve for deletion.
|
|
*/
|
|
static void insch(int n)
|
|
{
|
|
int dir = (n < 0 ? -1 : +1);
|
|
int m;
|
|
pos cursplus;
|
|
unsigned long *ldata;
|
|
|
|
n = (n < 0 ? -n : n);
|
|
if (n > cols - curs.x)
|
|
n = cols - curs.x;
|
|
m = cols - curs.x - n;
|
|
cursplus.y = curs.y;
|
|
cursplus.x = curs.x + n;
|
|
check_selection(curs, cursplus);
|
|
ldata = lineptr(curs.y);
|
|
if (dir < 0) {
|
|
memmove(ldata + curs.x, ldata + curs.x + n, m * TSIZE);
|
|
while (n--)
|
|
ldata[curs.x + m++] = erase_char;
|
|
} else {
|
|
memmove(ldata + curs.x + n, ldata + curs.x, m * TSIZE);
|
|
while (n--)
|
|
ldata[curs.x + n] = erase_char;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Toggle terminal mode `mode' to state `state'. (`query' indicates
|
|
* whether the mode is a DEC private one or a normal one.)
|
|
*/
|
|
static void toggle_mode(int mode, int query, int state)
|
|
{
|
|
long ticks;
|
|
|
|
if (query)
|
|
switch (mode) {
|
|
case 1: /* application cursor keys */
|
|
app_cursor_keys = state;
|
|
break;
|
|
case 2: /* VT52 mode */
|
|
vt52_mode = !state;
|
|
if (vt52_mode) {
|
|
blink_is_real = FALSE;
|
|
vt52_bold = FALSE;
|
|
} else {
|
|
blink_is_real = cfg.blinktext;
|
|
}
|
|
break;
|
|
case 3: /* 80/132 columns */
|
|
deselect();
|
|
request_resize(state ? 132 : 80, rows, 1);
|
|
reset_132 = state;
|
|
break;
|
|
case 5: /* reverse video */
|
|
/*
|
|
* Toggle reverse video. If we receive an OFF within the
|
|
* visual bell timeout period after an ON, we trigger an
|
|
* effective visual bell, so that ESC[?5hESC[?5l will
|
|
* always be an actually _visible_ visual bell.
|
|
*/
|
|
ticks = GetTickCount();
|
|
if (rvideo && !state && /* we're turning it off */
|
|
ticks < rvbell_timeout) { /* and it's not long since it was turned on */
|
|
in_vbell = TRUE; /* we may clear rvideo but we set in_vbell */
|
|
if (vbell_timeout < rvbell_timeout) /* don't move vbell end forward */
|
|
vbell_timeout = rvbell_timeout; /* vbell end is at least then */
|
|
} else if (!rvideo && state) {
|
|
/* This is an ON, so we notice the time and save it. */
|
|
rvbell_timeout = ticks + VBELL_TIMEOUT;
|
|
}
|
|
rvideo = state;
|
|
seen_disp_event = TRUE;
|
|
if (state)
|
|
term_update();
|
|
break;
|
|
case 6: /* DEC origin mode */
|
|
dec_om = state;
|
|
break;
|
|
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 = 0;
|
|
break;
|
|
case 1000: /* xterm mouse 1 */
|
|
xterm_mouse = state ? 1 : 0;
|
|
set_raw_mouse_mode(state);
|
|
break;
|
|
case 1002: /* xterm mouse 2 */
|
|
xterm_mouse = state ? 2 : 0;
|
|
set_raw_mouse_mode(state);
|
|
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;
|
|
case 34: /* Make cursor BIG */
|
|
compatibility2(OTHER, VT220);
|
|
big_cursor = !state;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Process an OSC sequence: set window title or icon name.
|
|
*/
|
|
static void do_osc(void)
|
|
{
|
|
if (osc_w) {
|
|
while (osc_strlen--)
|
|
wordness[(unsigned char) osc_string[osc_strlen]] = esc_args[0];
|
|
} else {
|
|
osc_string[osc_strlen] = '\0';
|
|
switch (esc_args[0]) {
|
|
case 0:
|
|
case 1:
|
|
set_icon(osc_string);
|
|
if (esc_args[0] == 1)
|
|
break;
|
|
/* fall through: parameter 0 means set both */
|
|
case 2:
|
|
case 21:
|
|
set_title(osc_string);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Remove everything currently in `inbuf' and stick it up on the
|
|
* in-memory display. There's a big state machine in here to
|
|
* process escape sequences...
|
|
*/
|
|
void term_out(void)
|
|
{
|
|
int c, inbuf_reap;
|
|
|
|
/*
|
|
* Optionally log the session traffic to a file. Useful for
|
|
* debugging and possibly also useful for actual logging.
|
|
*/
|
|
if (cfg.logtype == LGTYP_DEBUG)
|
|
for (inbuf_reap = 0; inbuf_reap < inbuf_head; inbuf_reap++) {
|
|
logtraffic((unsigned char) inbuf[inbuf_reap], LGTYP_DEBUG);
|
|
}
|
|
|
|
for (inbuf_reap = 0; inbuf_reap < inbuf_head; inbuf_reap++) {
|
|
c = inbuf[inbuf_reap];
|
|
|
|
/* 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.
|
|
*/
|
|
|
|
/* First see about all those translations. */
|
|
if (termstate == TOPLEVEL) {
|
|
if (in_utf)
|
|
switch (utf_state) {
|
|
case 0:
|
|
if (c < 0x80) {
|
|
/* UTF-8 must be stateless so we ignore iso2022. */
|
|
if (unitab_ctrl[c] != 0xFF)
|
|
c = unitab_ctrl[c];
|
|
else c = ((unsigned char)c) | ATTR_ASCII;
|
|
break;
|
|
} else if ((c & 0xe0) == 0xc0) {
|
|
utf_size = utf_state = 1;
|
|
utf_char = (c & 0x1f);
|
|
} else if ((c & 0xf0) == 0xe0) {
|
|
utf_size = utf_state = 2;
|
|
utf_char = (c & 0x0f);
|
|
} else if ((c & 0xf8) == 0xf0) {
|
|
utf_size = utf_state = 3;
|
|
utf_char = (c & 0x07);
|
|
} else if ((c & 0xfc) == 0xf8) {
|
|
utf_size = utf_state = 4;
|
|
utf_char = (c & 0x03);
|
|
} else if ((c & 0xfe) == 0xfc) {
|
|
utf_size = utf_state = 5;
|
|
utf_char = (c & 0x01);
|
|
} else {
|
|
c = UCSERR;
|
|
break;
|
|
}
|
|
continue;
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
case 5:
|
|
if ((c & 0xC0) != 0x80) {
|
|
inbuf_reap--;
|
|
c = UCSERR;
|
|
utf_state = 0;
|
|
break;
|
|
}
|
|
utf_char = (utf_char << 6) | (c & 0x3f);
|
|
if (--utf_state)
|
|
continue;
|
|
|
|
c = utf_char;
|
|
|
|
/* Is somebody trying to be evil! */
|
|
if (c < 0x80 ||
|
|
(c < 0x800 && utf_size >= 2) ||
|
|
(c < 0x10000 && utf_size >= 3) ||
|
|
(c < 0x200000 && utf_size >= 4) ||
|
|
(c < 0x4000000 && utf_size >= 5))
|
|
c = UCSERR;
|
|
|
|
/* Unicode line separator and paragraph separator are CR-LF */
|
|
if (c == 0x2028 || c == 0x2029)
|
|
c = 0x85;
|
|
|
|
/* High controls are probably a Baaad idea too. */
|
|
if (c < 0xA0)
|
|
c = 0xFFFD;
|
|
|
|
/* The UTF-16 surrogates are not nice either. */
|
|
/* The standard give the option of decoding these:
|
|
* I don't want to! */
|
|
if (c >= 0xD800 && c < 0xE000)
|
|
c = UCSERR;
|
|
|
|
/* ISO 10646 characters now limited to UTF-16 range. */
|
|
if (c > 0x10FFFF)
|
|
c = UCSERR;
|
|
|
|
/* This is currently a TagPhobic application.. */
|
|
if (c >= 0xE0000 && c <= 0xE007F)
|
|
continue;
|
|
|
|
/* U+FEFF is best seen as a null. */
|
|
if (c == 0xFEFF)
|
|
continue;
|
|
/* But U+FFFE is an error. */
|
|
if (c == 0xFFFE || c == 0xFFFF)
|
|
c = UCSERR;
|
|
|
|
/* Oops this is a 16bit implementation */
|
|
if (c >= 0x10000)
|
|
c = 0xFFFD;
|
|
break;
|
|
}
|
|
/* Are we in the nasty ACS mode? Note: no sco in utf mode. */
|
|
else if(sco_acs &&
|
|
(c!='\033' && c!='\n' && c!='\r' && c!='\b'))
|
|
{
|
|
if (sco_acs == 2) c ^= 0x80;
|
|
c |= ATTR_SCOACS;
|
|
} else {
|
|
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 (unitab_ctrl[c] != 0xFF)
|
|
c = unitab_ctrl[c];
|
|
else
|
|
c = ((unsigned char) c) | ATTR_LINEDRW;
|
|
break;
|
|
|
|
case ATTR_GBCHR:
|
|
/* If UK-ASCII, make the '#' a LineDraw Pound */
|
|
if (c == '#') {
|
|
c = '}' | ATTR_LINEDRW;
|
|
break;
|
|
}
|
|
/*FALLTHROUGH*/ case ATTR_ASCII:
|
|
if (unitab_ctrl[c] != 0xFF)
|
|
c = unitab_ctrl[c];
|
|
else
|
|
c = ((unsigned char) c) | ATTR_ASCII;
|
|
break;
|
|
case ATTR_SCOACS:
|
|
if (c>=' ') c = ((unsigned char)c) | ATTR_SCOACS;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* How about C1 controls ? */
|
|
if ((c & -32) == 0x80 && termstate < DO_CTRLS && !vt52_mode &&
|
|
has_compat(VT220)) {
|
|
termstate = SEEN_ESC;
|
|
esc_query = FALSE;
|
|
c = '@' + (c & 0x1F);
|
|
}
|
|
|
|
/* Or the GL control. */
|
|
if (c == '\177' && termstate < DO_CTRLS && has_compat(OTHER)) {
|
|
if (curs.x && !wrapnext)
|
|
curs.x--;
|
|
wrapnext = FALSE;
|
|
fix_cpos;
|
|
*cpos = (' ' | curr_attr | ATTR_ASCII);
|
|
} else
|
|
/* Or normal C0 controls. */
|
|
if ((c & -32) == 0 && termstate < DO_CTRLS) {
|
|
switch (c) {
|
|
case '\005': /* terminal type query */
|
|
/* 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(ANSIMIN);
|
|
{
|
|
char abuf[256], *s, *d;
|
|
int state = 0;
|
|
for (s = cfg.answerback, d = abuf; *s; s++) {
|
|
if (state) {
|
|
if (*s >= 'a' && *s <= 'z')
|
|
*d++ = (*s - ('a' - 1));
|
|
else if ((*s >= '@' && *s <= '_') ||
|
|
*s == '?' || (*s & 0x80))
|
|
*d++ = ('@' ^ *s);
|
|
else if (*s == '~')
|
|
*d++ = '^';
|
|
state = 0;
|
|
} else if (*s == '^') {
|
|
state = 1;
|
|
} else
|
|
*d++ = *s;
|
|
}
|
|
lpage_send(CP_ACP, abuf, d - abuf);
|
|
}
|
|
break;
|
|
case '\007':
|
|
{
|
|
struct beeptime *newbeep;
|
|
long ticks;
|
|
|
|
ticks = GetTickCount();
|
|
|
|
if (!beep_overloaded) {
|
|
newbeep = smalloc(sizeof(struct beeptime));
|
|
newbeep->ticks = ticks;
|
|
newbeep->next = NULL;
|
|
if (!beephead)
|
|
beephead = newbeep;
|
|
else
|
|
beeptail->next = newbeep;
|
|
beeptail = newbeep;
|
|
nbeeps++;
|
|
}
|
|
|
|
/*
|
|
* Throw out any beeps that happened more than
|
|
* t seconds ago.
|
|
*/
|
|
while (beephead &&
|
|
beephead->ticks < ticks - cfg.bellovl_t) {
|
|
struct beeptime *tmp = beephead;
|
|
beephead = tmp->next;
|
|
sfree(tmp);
|
|
if (!beephead)
|
|
beeptail = NULL;
|
|
nbeeps--;
|
|
}
|
|
|
|
if (cfg.bellovl && beep_overloaded &&
|
|
ticks - lastbeep >= cfg.bellovl_s) {
|
|
/*
|
|
* If we're currently overloaded and the
|
|
* last beep was more than s seconds ago,
|
|
* leave overload mode.
|
|
*/
|
|
beep_overloaded = FALSE;
|
|
} else if (cfg.bellovl && !beep_overloaded &&
|
|
nbeeps >= cfg.bellovl_n) {
|
|
/*
|
|
* Now, if we have n or more beeps
|
|
* remaining in the queue, go into overload
|
|
* mode.
|
|
*/
|
|
beep_overloaded = TRUE;
|
|
}
|
|
lastbeep = ticks;
|
|
|
|
/*
|
|
* Perform an actual beep if we're not overloaded.
|
|
*/
|
|
if (!cfg.bellovl || !beep_overloaded) {
|
|
beep(cfg.beep);
|
|
if (cfg.beep == BELL_VISUAL) {
|
|
in_vbell = TRUE;
|
|
vbell_timeout = ticks + VBELL_TIMEOUT;
|
|
term_update();
|
|
}
|
|
}
|
|
disptop = 0;
|
|
}
|
|
break;
|
|
case '\b':
|
|
if (curs.x == 0 && (curs.y == 0 || wrap == 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;
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case '\016':
|
|
compatibility(VT100);
|
|
cset = 1;
|
|
break;
|
|
case '\017':
|
|
compatibility(VT100);
|
|
cset = 0;
|
|
break;
|
|
case '\033':
|
|
if (vt52_mode)
|
|
termstate = VT52_ESC;
|
|
else {
|
|
compatibility(ANSIMIN);
|
|
termstate = SEEN_ESC;
|
|
esc_query = FALSE;
|
|
}
|
|
break;
|
|
case '\r':
|
|
curs.x = 0;
|
|
wrapnext = FALSE;
|
|
fix_cpos;
|
|
seen_disp_event = TRUE;
|
|
paste_hold = 0;
|
|
logtraffic((unsigned char) c, LGTYP_ASCII);
|
|
break;
|
|
case '\014':
|
|
if (has_compat(SCOANSI)) {
|
|
move(0, 0, 0);
|
|
erase_lots(FALSE, FALSE, TRUE);
|
|
disptop = 0;
|
|
wrapnext = FALSE;
|
|
seen_disp_event = 1;
|
|
break;
|
|
}
|
|
case '\013':
|
|
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;
|
|
fix_cpos;
|
|
wrapnext = FALSE;
|
|
seen_disp_event = 1;
|
|
paste_hold = 0;
|
|
logtraffic((unsigned char) c, LGTYP_ASCII);
|
|
break;
|
|
case '\t':
|
|
{
|
|
pos old_curs = curs;
|
|
unsigned long *ldata = lineptr(curs.y);
|
|
|
|
do {
|
|
curs.x++;
|
|
} while (curs.x < cols - 1 && !tabs[curs.x]);
|
|
|
|
if ((ldata[cols] & 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_curs, curs);
|
|
}
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
}
|
|
} else
|
|
switch (termstate) {
|
|
case TOPLEVEL:
|
|
/* Only graphic characters get this far, ctrls are stripped above */
|
|
if (wrapnext && wrap) {
|
|
cpos[1] |= LATTR_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) {
|
|
pos cursplus = curs;
|
|
incpos(cursplus);
|
|
check_selection(curs, cursplus);
|
|
}
|
|
if ((c & CSET_MASK) == ATTR_ASCII || (c & CSET_MASK) == 0)
|
|
logtraffic((unsigned char) c, LGTYP_ASCII);
|
|
{
|
|
extern int wcwidth(wchar_t ucs);
|
|
int width = 0;
|
|
if (DIRECT_CHAR(c))
|
|
width = 1;
|
|
if (!width)
|
|
width = wcwidth((wchar_t) c);
|
|
switch (width) {
|
|
case 2:
|
|
if (curs.x + 1 != cols) {
|
|
*cpos++ = c | ATTR_WIDE | curr_attr;
|
|
*cpos++ = UCSWIDE | curr_attr;
|
|
curs.x++;
|
|
break;
|
|
}
|
|
case 1:
|
|
*cpos++ = c | curr_attr;
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
curs.x++;
|
|
if (curs.x == cols) {
|
|
cpos--;
|
|
curs.x--;
|
|
wrapnext = TRUE;
|
|
if (wrap && vt52_mode) {
|
|
cpos[1] |= LATTR_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;
|
|
}
|
|
}
|
|
seen_disp_event = 1;
|
|
break;
|
|
|
|
case OSC_MAYBE_ST:
|
|
/*
|
|
* This state is virtually identical to SEEN_ESC, with the
|
|
* exception that we have an OSC sequence in the pipeline,
|
|
* and _if_ we see a backslash, we process it.
|
|
*/
|
|
if (c == '\\') {
|
|
do_osc();
|
|
termstate = TOPLEVEL;
|
|
break;
|
|
}
|
|
/* else fall through */
|
|
case SEEN_ESC:
|
|
if (c >= ' ' && c <= '/') {
|
|
if (esc_query)
|
|
esc_query = -1;
|
|
else
|
|
esc_query = c;
|
|
break;
|
|
}
|
|
termstate = TOPLEVEL;
|
|
switch (ANSI(c, esc_query)) {
|
|
case '[': /* enter CSI mode */
|
|
termstate = SEEN_CSI;
|
|
esc_nargs = 1;
|
|
esc_args[0] = ARG_DEFAULT;
|
|
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 '7': /* save cursor */
|
|
compatibility(VT100);
|
|
save_cursor(TRUE);
|
|
break;
|
|
case '8': /* restore cursor */
|
|
compatibility(VT100);
|
|
save_cursor(FALSE);
|
|
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;
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'E': /* exactly equivalent to CR-LF */
|
|
compatibility(VT100);
|
|
curs.x = 0;
|
|
if (curs.y == marg_b)
|
|
scroll(marg_t, marg_b, 1, TRUE);
|
|
else if (curs.y < rows - 1)
|
|
curs.y++;
|
|
fix_cpos;
|
|
wrapnext = FALSE;
|
|
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;
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'Z': /* terminal type query */
|
|
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 = 0;
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'H': /* set a tab */
|
|
compatibility(VT100);
|
|
tabs[curs.x] = TRUE;
|
|
break;
|
|
|
|
case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */
|
|
compatibility(VT100);
|
|
{
|
|
unsigned long *ldata;
|
|
int i, j;
|
|
pos scrtop, scrbot;
|
|
|
|
for (i = 0; i < rows; i++) {
|
|
ldata = lineptr(i);
|
|
for (j = 0; j < cols; j++)
|
|
ldata[j] = ATTR_DEFAULT | 'E';
|
|
ldata[cols] = 0;
|
|
}
|
|
disptop = 0;
|
|
seen_disp_event = TRUE;
|
|
scrtop.x = scrtop.y = 0;
|
|
scrbot.x = 0;
|
|
scrbot.y = rows;
|
|
check_selection(scrtop, scrbot);
|
|
}
|
|
break;
|
|
|
|
case ANSI('3', '#'):
|
|
case ANSI('4', '#'):
|
|
case ANSI('5', '#'):
|
|
case ANSI('6', '#'):
|
|
compatibility(VT100);
|
|
{
|
|
unsigned long nlattr;
|
|
unsigned long *ldata;
|
|
switch (ANSI(c, esc_query)) {
|
|
case ANSI('3', '#'):
|
|
nlattr = LATTR_TOP;
|
|
break;
|
|
case ANSI('4', '#'):
|
|
nlattr = LATTR_BOT;
|
|
break;
|
|
case ANSI('5', '#'):
|
|
nlattr = LATTR_NORM;
|
|
break;
|
|
default: /* spiritually case ANSI('6', '#'): */
|
|
nlattr = LATTR_WIDE;
|
|
break;
|
|
}
|
|
ldata = lineptr(curs.y);
|
|
ldata[cols] &= ~LATTR_MODE;
|
|
ldata[cols] |= nlattr;
|
|
}
|
|
break;
|
|
|
|
case ANSI('A', '('):
|
|
compatibility(VT100);
|
|
cset_attr[0] = ATTR_GBCHR;
|
|
break;
|
|
case ANSI('B', '('):
|
|
compatibility(VT100);
|
|
cset_attr[0] = ATTR_ASCII;
|
|
break;
|
|
case ANSI('0', '('):
|
|
compatibility(VT100);
|
|
cset_attr[0] = ATTR_LINEDRW;
|
|
break;
|
|
case ANSI('U', '('):
|
|
compatibility(OTHER);
|
|
cset_attr[0] = ATTR_SCOACS;
|
|
break;
|
|
|
|
case ANSI('A', ')'):
|
|
compatibility(VT100);
|
|
cset_attr[1] = ATTR_GBCHR;
|
|
break;
|
|
case ANSI('B', ')'):
|
|
compatibility(VT100);
|
|
cset_attr[1] = ATTR_ASCII;
|
|
break;
|
|
case ANSI('0', ')'):
|
|
compatibility(VT100);
|
|
cset_attr[1] = ATTR_LINEDRW;
|
|
break;
|
|
case ANSI('U', ')'):
|
|
compatibility(OTHER);
|
|
cset_attr[1] = ATTR_SCOACS;
|
|
break;
|
|
|
|
case ANSI('8', '%'): /* Old Linux code */
|
|
case ANSI('G', '%'):
|
|
compatibility(OTHER);
|
|
utf = 1;
|
|
break;
|
|
case ANSI('@', '%'):
|
|
compatibility(OTHER);
|
|
utf = 0;
|
|
break;
|
|
}
|
|
break;
|
|
case SEEN_CSI:
|
|
termstate = TOPLEVEL; /* default */
|
|
if (isdigit(c)) {
|
|
if (esc_nargs <= ARGS_MAX) {
|
|
if (esc_args[esc_nargs - 1] == ARG_DEFAULT)
|
|
esc_args[esc_nargs - 1] = 0;
|
|
esc_args[esc_nargs - 1] =
|
|
10 * esc_args[esc_nargs - 1] + c - '0';
|
|
}
|
|
termstate = SEEN_CSI;
|
|
} else if (c == ';') {
|
|
if (++esc_nargs <= ARGS_MAX)
|
|
esc_args[esc_nargs - 1] = ARG_DEFAULT;
|
|
termstate = SEEN_CSI;
|
|
} else if (c < '@') {
|
|
if (esc_query)
|
|
esc_query = -1;
|
|
else if (c == '?')
|
|
esc_query = TRUE;
|
|
else
|
|
esc_query = c;
|
|
termstate = SEEN_CSI;
|
|
} else
|
|
switch (ANSI(c, esc_query)) {
|
|
case 'A': /* move up N lines */
|
|
move(curs.x, curs.y - def(esc_args[0], 1), 1);
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'e': /* move down N lines */
|
|
compatibility(ANSI);
|
|
/* FALLTHROUGH */
|
|
case 'B':
|
|
move(curs.x, curs.y + def(esc_args[0], 1), 1);
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case ANSI('c', '>'): /* report xterm version */
|
|
compatibility(OTHER);
|
|
/* this reports xterm version 136 so that VIM can
|
|
use the drag messages from the mouse reporting */
|
|
ldisc_send("\033[>0;136;0c", 11);
|
|
break;
|
|
case 'a': /* move right N cols */
|
|
compatibility(ANSI);
|
|
/* FALLTHROUGH */
|
|
case 'C':
|
|
move(curs.x + def(esc_args[0], 1), curs.y, 1);
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'D': /* move left N cols */
|
|
move(curs.x - def(esc_args[0], 1), curs.y, 1);
|
|
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);
|
|
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);
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'G':
|
|
case '`': /* set horizontal posn */
|
|
compatibility(ANSI);
|
|
move(def(esc_args[0], 1) - 1, curs.y, 0);
|
|
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));
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'H':
|
|
case 'f': /* set horz and vert posns at once */
|
|
if (esc_nargs < 2)
|
|
esc_args[1] = ARG_DEFAULT;
|
|
move(def(esc_args[1], 1) - 1,
|
|
(dec_om ? marg_t : 0) + def(esc_args[0],
|
|
1) - 1,
|
|
(dec_om ? 2 : 0));
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'J': /* erase screen or parts of it */
|
|
{
|
|
unsigned int i = def(esc_args[0], 0) + 1;
|
|
if (i > 3)
|
|
i = 0;
|
|
erase_lots(FALSE, !!(i & 2), !!(i & 1));
|
|
}
|
|
disptop = 0;
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'K': /* erase line or parts of it */
|
|
{
|
|
unsigned int i = def(esc_args[0], 0) + 1;
|
|
if (i > 3)
|
|
i = 0;
|
|
erase_lots(TRUE, !!(i & 2), !!(i & 1));
|
|
}
|
|
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);
|
|
fix_cpos;
|
|
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),
|
|
TRUE);
|
|
fix_cpos;
|
|
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));
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'P': /* delete chars */
|
|
compatibility(VT102);
|
|
insch(-def(esc_args[0], 1));
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'c': /* terminal type query */
|
|
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);
|
|
ldisc_send(buf, strlen(buf));
|
|
} else if (esc_args[0] == 5) {
|
|
ldisc_send("\033[0n", 4);
|
|
}
|
|
break;
|
|
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 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;
|
|
} else if (esc_args[0] == 3) {
|
|
int i;
|
|
for (i = 0; i < cols; i++)
|
|
tabs[i] = FALSE;
|
|
}
|
|
}
|
|
break;
|
|
case 'r': /* set scroll margins */
|
|
compatibility(VT100);
|
|
if (esc_nargs <= 2) {
|
|
int top, bot;
|
|
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;
|
|
/* 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;
|
|
/*
|
|
* I used to think the cursor should be
|
|
* 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 = (dec_om ? marg_t : 0);
|
|
fix_cpos;
|
|
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 sometimes DIM, eg on the GIGI and Linux
|
|
* case 8:
|
|
* This is sometimes INVIS various ANSI.
|
|
* 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 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 10: /* SCO acs off */
|
|
compatibility(SCOANSI);
|
|
sco_acs = 0; break;
|
|
case 11: /* SCO acs on */
|
|
compatibility(SCOANSI);
|
|
sco_acs = 1; break;
|
|
case 12: /* SCO acs on flipped */
|
|
compatibility(SCOANSI);
|
|
sco_acs = 2; 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:
|
|
/* foreground */
|
|
curr_attr &= ~ATTR_FGMASK;
|
|
curr_attr |=
|
|
(esc_args[i] - 30) << ATTR_FGSHIFT;
|
|
break;
|
|
case 39: /* default-foreground */
|
|
curr_attr &= ~ATTR_FGMASK;
|
|
curr_attr |= ATTR_DEFFG;
|
|
break;
|
|
case 40:
|
|
case 41:
|
|
case 42:
|
|
case 43:
|
|
case 44:
|
|
case 45:
|
|
case 46:
|
|
case 47:
|
|
/* background */
|
|
curr_attr &= ~ATTR_BGMASK;
|
|
curr_attr |=
|
|
(esc_args[i] - 40) << ATTR_BGSHIFT;
|
|
break;
|
|
case 49: /* default-background */
|
|
curr_attr &= ~ATTR_BGMASK;
|
|
curr_attr |= ATTR_DEFBG;
|
|
break;
|
|
}
|
|
}
|
|
if (use_bce)
|
|
erase_char = (' ' | ATTR_ASCII |
|
|
(curr_attr &
|
|
(ATTR_FGMASK | ATTR_BGMASK)));
|
|
}
|
|
break;
|
|
case 's': /* save cursor */
|
|
save_cursor(TRUE);
|
|
break;
|
|
case 'u': /* restore cursor */
|
|
save_cursor(FALSE);
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 't': /* set page size - ie window height */
|
|
/*
|
|
* 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 'S':
|
|
compatibility(SCOANSI);
|
|
scroll(marg_t, marg_b, def(esc_args[0], 1), TRUE);
|
|
fix_cpos;
|
|
wrapnext = FALSE;
|
|
seen_disp_event = TRUE;
|
|
break;
|
|
case 'T':
|
|
compatibility(SCOANSI);
|
|
scroll(marg_t, marg_b, -def(esc_args[0], 1), TRUE);
|
|
fix_cpos;
|
|
wrapnext = FALSE;
|
|
seen_disp_event = TRUE;
|
|
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);
|
|
pos cursplus;
|
|
unsigned long *p = cpos;
|
|
if (n > cols - curs.x)
|
|
n = cols - curs.x;
|
|
cursplus = curs;
|
|
cursplus.x += n;
|
|
check_selection(curs, cursplus);
|
|
while (n--)
|
|
*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;
|
|
ldisc_send(buf, 20);
|
|
}
|
|
}
|
|
break;
|
|
case 'Z': /* BackTab for xterm */
|
|
compatibility(OTHER);
|
|
{
|
|
int i = def(esc_args[0], 1);
|
|
pos old_curs = curs;
|
|
|
|
for(;i>0 && curs.x>0; i--) {
|
|
do {
|
|
curs.x--;
|
|
} while (curs.x >0 && !tabs[curs.x]);
|
|
}
|
|
fix_cpos;
|
|
check_selection(old_curs, curs);
|
|
}
|
|
break;
|
|
case ANSI('L', '='):
|
|
compatibility(OTHER);
|
|
use_bce = (esc_args[0] <= 0);
|
|
erase_char = ERASE_CHAR;
|
|
if (use_bce)
|
|
erase_char = (' ' | ATTR_ASCII |
|
|
(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..42,50 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 SEEN_OSC:
|
|
osc_w = FALSE;
|
|
switch (c) {
|
|
case 'P': /* Linux palette sequence */
|
|
termstate = SEEN_OSC_P;
|
|
osc_strlen = 0;
|
|
break;
|
|
case 'R': /* Linux palette reset */
|
|
palette_reset();
|
|
term_invalidate();
|
|
termstate = TOPLEVEL;
|
|
break;
|
|
case 'W': /* word-set */
|
|
termstate = SEEN_OSC_W;
|
|
osc_w = TRUE;
|
|
break;
|
|
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 'L':
|
|
/*
|
|
* Grotty hack to support xterm and DECterm title
|
|
* sequences concurrently.
|
|
*/
|
|
if (esc_args[0] == 2) {
|
|
esc_args[0] = 1;
|
|
break;
|
|
}
|
|
/* else fall through */
|
|
default:
|
|
termstate = OSC_STRING;
|
|
osc_strlen = 0;
|
|
}
|
|
break;
|
|
case OSC_STRING:
|
|
/*
|
|
* 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
|
|
* processing of it, whereas ESC goes back to SEEN_ESC
|
|
* mode unless it is followed by \, in which case it is
|
|
* synonymous with ST in the first place.
|
|
*/
|
|
do_osc();
|
|
termstate = TOPLEVEL;
|
|
} else if (c == '\033')
|
|
termstate = OSC_MAYBE_ST;
|
|
else if (osc_strlen < OSC_STR_MAX)
|
|
osc_string[osc_strlen++] = c;
|
|
break;
|
|
case SEEN_OSC_P:
|
|
{
|
|
int max = (osc_strlen == 0 ? 21 : 16);
|
|
int val;
|
|
if (c >= '0' && c <= '9')
|
|
val = c - '0';
|
|
else if (c >= 'A' && c <= 'A' + max - 10)
|
|
val = c - 'A' + 10;
|
|
else if (c >= 'a' && c <= 'a' + max - 10)
|
|
val = c - 'a' + 10;
|
|
else {
|
|
termstate = TOPLEVEL;
|
|
break;
|
|
}
|
|
osc_string[osc_strlen++] = val;
|
|
if (osc_strlen >= 7) {
|
|
palette_set(osc_string[0],
|
|
osc_string[1] * 16 + osc_string[2],
|
|
osc_string[3] * 16 + osc_string[4],
|
|
osc_string[5] * 16 + osc_string[6]);
|
|
term_invalidate();
|
|
termstate = TOPLEVEL;
|
|
}
|
|
}
|
|
break;
|
|
case SEEN_OSC_W:
|
|
switch (c) {
|
|
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;
|
|
default:
|
|
termstate = OSC_STRING;
|
|
osc_strlen = 0;
|
|
}
|
|
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;
|
|
/*
|
|
* From the VT100 Manual
|
|
* NOTE: The special graphics characters in the VT100
|
|
* are different from those in the VT52
|
|
*
|
|
* From VT102 manual:
|
|
* 137 _ Blank - Same
|
|
* 140 ` Reserved - Humm.
|
|
* 141 a Solid rectangle - Similar
|
|
* 142 b 1/ - Top half of fraction for the
|
|
* 143 c 3/ - subscript numbers below.
|
|
* 144 d 5/
|
|
* 145 e 7/
|
|
* 146 f Degrees - Same
|
|
* 147 g Plus or minus - Same
|
|
* 150 h Right arrow
|
|
* 151 i Ellipsis (dots)
|
|
* 152 j Divide by
|
|
* 153 k Down arrow
|
|
* 154 l Bar at scan 0
|
|
* 155 m Bar at scan 1
|
|
* 156 n Bar at scan 2
|
|
* 157 o Bar at scan 3 - Similar
|
|
* 160 p Bar at scan 4 - Similar
|
|
* 161 q Bar at scan 5 - Similar
|
|
* 162 r Bar at scan 6 - Same
|
|
* 163 s Bar at scan 7 - Similar
|
|
* 164 t Subscript 0
|
|
* 165 u Subscript 1
|
|
* 166 v Subscript 2
|
|
* 167 w Subscript 3
|
|
* 170 x Subscript 4
|
|
* 171 y Subscript 5
|
|
* 172 z Subscript 6
|
|
* 173 { Subscript 7
|
|
* 174 | Subscript 8
|
|
* 175 } Subscript 9
|
|
* 176 ~ Paragraph
|
|
*
|
|
*/
|
|
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 = 0;
|
|
break;
|
|
case 'K':
|
|
erase_lots(TRUE, FALSE, TRUE);
|
|
break;
|
|
#if 0
|
|
case 'V':
|
|
/* XXX Print cursor line */
|
|
break;
|
|
case 'W':
|
|
/* XXX Start controller mode */
|
|
break;
|
|
case 'X':
|
|
/* XXX Stop controller mode */
|
|
break;
|
|
#endif
|
|
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;
|
|
blink_is_real = cfg.blinktext;
|
|
break;
|
|
#if 0
|
|
case '^':
|
|
/* XXX Enter auto print mode */
|
|
break;
|
|
case '_':
|
|
/* XXX Exit auto print mode */
|
|
break;
|
|
case ']':
|
|
/* XXX Print screen */
|
|
break;
|
|
#endif
|
|
|
|
#ifdef VT52_PLUS
|
|
case 'E':
|
|
/* compatibility(ATARI) */
|
|
move(0, 0, 0);
|
|
erase_lots(FALSE, FALSE, TRUE);
|
|
disptop = 0;
|
|
break;
|
|
case 'L':
|
|
/* compatibility(ATARI) */
|
|
if (curs.y <= marg_b)
|
|
scroll(curs.y, marg_b, -1, FALSE);
|
|
break;
|
|
case 'M':
|
|
/* compatibility(ATARI) */
|
|
if (curs.y <= marg_b)
|
|
scroll(curs.y, marg_b, 1, TRUE);
|
|
break;
|
|
case 'b':
|
|
/* compatibility(ATARI) */
|
|
termstate = VT52_FG;
|
|
break;
|
|
case 'c':
|
|
/* compatibility(ATARI) */
|
|
termstate = VT52_BG;
|
|
break;
|
|
case 'd':
|
|
/* compatibility(ATARI) */
|
|
erase_lots(FALSE, TRUE, FALSE);
|
|
disptop = 0;
|
|
break;
|
|
case 'e':
|
|
/* compatibility(ATARI) */
|
|
cursor_on = TRUE;
|
|
break;
|
|
case 'f':
|
|
/* compatibility(ATARI) */
|
|
cursor_on = FALSE;
|
|
break;
|
|
/* case 'j': Save cursor position - broken on ST */
|
|
/* case 'k': Restore cursor position */
|
|
case 'l':
|
|
/* compatibility(ATARI) */
|
|
erase_lots(TRUE, TRUE, TRUE);
|
|
curs.x = 0;
|
|
wrapnext = FALSE;
|
|
fix_cpos;
|
|
break;
|
|
case 'o':
|
|
/* compatibility(ATARI) */
|
|
erase_lots(TRUE, TRUE, FALSE);
|
|
break;
|
|
case 'p':
|
|
/* compatibility(ATARI) */
|
|
curr_attr |= ATTR_REVERSE;
|
|
break;
|
|
case 'q':
|
|
/* compatibility(ATARI) */
|
|
curr_attr &= ~ATTR_REVERSE;
|
|
break;
|
|
case 'v': /* wrap Autowrap on - Wyse style */
|
|
/* compatibility(ATARI) */
|
|
wrap = 1;
|
|
break;
|
|
case 'w': /* Autowrap off */
|
|
/* compatibility(ATARI) */
|
|
wrap = 0;
|
|
break;
|
|
|
|
case 'R':
|
|
/* compatibility(OTHER) */
|
|
vt52_bold = FALSE;
|
|
curr_attr = ATTR_DEFAULT;
|
|
if (use_bce)
|
|
erase_char = (' ' | ATTR_ASCII |
|
|
(curr_attr &
|
|
(ATTR_FGMASK | ATTR_BGMASK)));
|
|
break;
|
|
case 'S':
|
|
/* compatibility(VI50) */
|
|
curr_attr |= ATTR_UNDER;
|
|
break;
|
|
case 'W':
|
|
/* compatibility(VI50) */
|
|
curr_attr &= ~ATTR_UNDER;
|
|
break;
|
|
case 'U':
|
|
/* compatibility(VI50) */
|
|
vt52_bold = TRUE;
|
|
curr_attr |= ATTR_BOLD;
|
|
break;
|
|
case 'T':
|
|
/* compatibility(VI50) */
|
|
vt52_bold = FALSE;
|
|
curr_attr &= ~ATTR_BOLD;
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
case VT52_Y1:
|
|
termstate = VT52_Y2;
|
|
move(curs.x, c - ' ', 0);
|
|
break;
|
|
case VT52_Y2:
|
|
termstate = TOPLEVEL;
|
|
move(c - ' ', curs.y, 0);
|
|
break;
|
|
|
|
#ifdef VT52_PLUS
|
|
case VT52_FG:
|
|
termstate = TOPLEVEL;
|
|
curr_attr &= ~ATTR_FGMASK;
|
|
curr_attr &= ~ATTR_BOLD;
|
|
curr_attr |= (c & 0x7) << ATTR_FGSHIFT;
|
|
if ((c & 0x8) || vt52_bold)
|
|
curr_attr |= ATTR_BOLD;
|
|
|
|
if (use_bce)
|
|
erase_char = (' ' | ATTR_ASCII |
|
|
(curr_attr & (ATTR_FGMASK | ATTR_BGMASK)));
|
|
break;
|
|
case VT52_BG:
|
|
termstate = TOPLEVEL;
|
|
curr_attr &= ~ATTR_BGMASK;
|
|
curr_attr &= ~ATTR_BLINK;
|
|
curr_attr |= (c & 0x7) << ATTR_BGSHIFT;
|
|
|
|
/* Note: bold background */
|
|
if (c & 0x8)
|
|
curr_attr |= ATTR_BLINK;
|
|
|
|
if (use_bce)
|
|
erase_char = (' ' | ATTR_ASCII |
|
|
(curr_attr & (ATTR_FGMASK | ATTR_BGMASK)));
|
|
break;
|
|
#endif
|
|
default: break; /* placate gcc warning about enum use */
|
|
}
|
|
if (selstate != NO_SELECTION) {
|
|
pos cursplus = curs;
|
|
incpos(cursplus);
|
|
check_selection(curs, cursplus);
|
|
}
|
|
}
|
|
inbuf_head = 0;
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
* Compare two lines to determine whether they are sufficiently
|
|
* alike to scroll-optimise one to the other. Return the degree of
|
|
* similarity.
|
|
*/
|
|
static int linecmp(unsigned long *a, unsigned long *b)
|
|
{
|
|
int i, n;
|
|
|
|
for (i = n = 0; i < cols; i++)
|
|
n += (*a++ == *b++);
|
|
return n;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* 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)
|
|
{
|
|
int i, j, our_curs_y;
|
|
unsigned long rv, cursor;
|
|
pos scrpos;
|
|
char ch[1024];
|
|
long cursor_background = ERASE_CHAR;
|
|
long ticks;
|
|
|
|
/*
|
|
* Check the visual bell state.
|
|
*/
|
|
if (in_vbell) {
|
|
ticks = GetTickCount();
|
|
if (ticks - vbell_timeout >= 0)
|
|
in_vbell = FALSE;
|
|
}
|
|
|
|
rv = (!rvideo ^ !in_vbell ? ATTR_REVERSE : 0);
|
|
|
|
/* Depends on:
|
|
* screen array, disptop, scrtop,
|
|
* selection, rv,
|
|
* cfg.blinkpc, blink_is_real, tblinker,
|
|
* curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext
|
|
*/
|
|
|
|
/* Has the cursor position or type changed ? */
|
|
if (cursor_on) {
|
|
if (has_focus) {
|
|
if (blinker || !cfg.blink_cur)
|
|
cursor = TATTR_ACTCURS;
|
|
else
|
|
cursor = 0;
|
|
} else
|
|
cursor = TATTR_PASCURS;
|
|
if (wrapnext)
|
|
cursor |= TATTR_RIGHTCURS;
|
|
} else
|
|
cursor = 0;
|
|
our_curs_y = curs.y - disptop;
|
|
|
|
if (dispcurs && (curstype != cursor ||
|
|
dispcurs !=
|
|
disptext + our_curs_y * (cols + 1) + curs.x)) {
|
|
if (dispcurs > disptext && (dispcurs[-1] & ATTR_WIDE))
|
|
dispcurs[-1] |= ATTR_INVALID;
|
|
if ((*dispcurs & ATTR_WIDE))
|
|
dispcurs[1] |= ATTR_INVALID;
|
|
*dispcurs |= ATTR_INVALID;
|
|
curstype = 0;
|
|
}
|
|
dispcurs = NULL;
|
|
|
|
/* The normal screen data */
|
|
for (i = 0; i < rows; i++) {
|
|
unsigned long *ldata;
|
|
int lattr;
|
|
int idx, dirty_line, dirty_run;
|
|
unsigned long attr = 0;
|
|
int updated_line = 0;
|
|
int start = 0;
|
|
int ccount = 0;
|
|
int last_run_dirty = 0;
|
|
|
|
scrpos.y = i + disptop;
|
|
ldata = lineptr(scrpos.y);
|
|
lattr = (ldata[cols] & LATTR_MODE);
|
|
|
|
idx = i * (cols + 1);
|
|
dirty_run = dirty_line = (ldata[cols] != disptext[idx + cols]);
|
|
disptext[idx + cols] = ldata[cols];
|
|
|
|
for (j = 0; j < cols; j++, idx++) {
|
|
unsigned long tattr, tchar;
|
|
unsigned long *d = ldata + j;
|
|
int break_run;
|
|
scrpos.x = j;
|
|
|
|
tchar = (*d & (CHAR_MASK | CSET_MASK));
|
|
tattr = (*d & (ATTR_MASK ^ CSET_MASK));
|
|
switch (tchar & CSET_MASK) {
|
|
case ATTR_ASCII:
|
|
tchar = unitab_line[tchar & 0xFF];
|
|
break;
|
|
case ATTR_LINEDRW:
|
|
tchar = unitab_xterm[tchar & 0xFF];
|
|
break;
|
|
case ATTR_SCOACS:
|
|
tchar = unitab_scoacs[tchar&0xFF];
|
|
break;
|
|
}
|
|
tattr |= (tchar & CSET_MASK);
|
|
tchar &= CHAR_MASK;
|
|
|
|
/* Video reversing things */
|
|
tattr = (tattr ^ rv
|
|
^ (posle(selstart, scrpos) &&
|
|
poslt(scrpos, selend) ? ATTR_REVERSE : 0));
|
|
|
|
/* 'Real' blinking ? */
|
|
if (blink_is_real && (tattr & ATTR_BLINK)) {
|
|
if (has_focus && tblinker) {
|
|
tchar = ' ';
|
|
tattr &= ~CSET_MASK;
|
|
tattr |= ATTR_ACP;
|
|
}
|
|
tattr &= ~ATTR_BLINK;
|
|
}
|
|
|
|
/* Cursor here ? Save the 'background' */
|
|
if (i == our_curs_y && j == curs.x) {
|
|
cursor_background = tattr | tchar;
|
|
dispcurs = disptext + idx;
|
|
}
|
|
|
|
if ((disptext[idx] ^ tattr) & ATTR_WIDE)
|
|
dirty_line = TRUE;
|
|
|
|
break_run = (tattr != attr || j - start >= sizeof(ch));
|
|
|
|
/* Special hack for VT100 Linedraw glyphs */
|
|
if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA
|
|
&& tchar <= 0xBD) break_run = TRUE;
|
|
|
|
if (!dbcs_screenfont && !dirty_line) {
|
|
if ((tchar | tattr) == disptext[idx])
|
|
break_run = TRUE;
|
|
else if (!dirty_run && ccount == 1)
|
|
break_run = TRUE;
|
|
}
|
|
|
|
if (break_run) {
|
|
if ((dirty_run || last_run_dirty) && ccount > 0) {
|
|
do_text(ctx, start, i, ch, ccount, attr, lattr);
|
|
updated_line = 1;
|
|
}
|
|
start = j;
|
|
ccount = 0;
|
|
attr = tattr;
|
|
if (dbcs_screenfont)
|
|
last_run_dirty = dirty_run;
|
|
dirty_run = dirty_line;
|
|
}
|
|
|
|
if ((tchar | tattr) != disptext[idx])
|
|
dirty_run = TRUE;
|
|
ch[ccount++] = (char) tchar;
|
|
disptext[idx] = tchar | tattr;
|
|
|
|
/* If it's a wide char step along to the next one. */
|
|
if (tattr & ATTR_WIDE) {
|
|
if (++j < cols) {
|
|
idx++;
|
|
d++;
|
|
/* Cursor is here ? Ouch! */
|
|
if (i == our_curs_y && j == curs.x) {
|
|
cursor_background = *d;
|
|
dispcurs = disptext + idx;
|
|
}
|
|
if (disptext[idx] != *d)
|
|
dirty_run = TRUE;
|
|
disptext[idx] = *d;
|
|
}
|
|
}
|
|
}
|
|
if (dirty_run && ccount > 0) {
|
|
do_text(ctx, start, i, ch, ccount, attr, lattr);
|
|
updated_line = 1;
|
|
}
|
|
|
|
/* Cursor on this line ? (and changed) */
|
|
if (i == our_curs_y && (curstype != cursor || updated_line)) {
|
|
ch[0] = (char) (cursor_background & CHAR_MASK);
|
|
attr = (cursor_background & ATTR_MASK) | cursor;
|
|
do_cursor(ctx, curs.x, i, ch, 1, attr, lattr);
|
|
curstype = cursor;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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 faster than GetCaretBlinkTime() */
|
|
if (blink_diff >= 0 && blink_diff < (long) GetCaretBlinkTime())
|
|
return;
|
|
|
|
last_blink = now;
|
|
blinker = !blinker;
|
|
}
|
|
|
|
/*
|
|
* Invalidate the whole screen so it will be repainted in full.
|
|
*/
|
|
void term_invalidate(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < rows * (cols + 1); i++)
|
|
disptext[i] = ATTR_INVALID;
|
|
}
|
|
|
|
/*
|
|
* Paint the window in response to a WM_PAINT message.
|
|
*/
|
|
void term_paint(Context ctx, int l, int t, int r, int b)
|
|
{
|
|
int i, j, left, top, right, bottom;
|
|
|
|
left = l / font_width;
|
|
right = (r - 1) / font_width;
|
|
top = t / font_height;
|
|
bottom = (b - 1) / font_height;
|
|
for (i = top; i <= bottom && i < rows; i++) {
|
|
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);
|
|
*/
|
|
}
|
|
|
|
/*
|
|
* Attempt to scroll the scrollback. The second parameter gives the
|
|
* position we want to scroll to; the first is +1 to denote that
|
|
* this position is relative to the beginning of the scrollback, -1
|
|
* to denote it is relative to the end, and 0 to denote that it is
|
|
* relative to the current position.
|
|
*/
|
|
void term_scroll(int rel, int where)
|
|
{
|
|
int sbtop = -count234(scrollback);
|
|
|
|
disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : disptop) + where;
|
|
if (disptop < sbtop)
|
|
disptop = sbtop;
|
|
if (disptop > 0)
|
|
disptop = 0;
|
|
update_sbar();
|
|
term_update();
|
|
}
|
|
|
|
static void clipme(pos top, pos bottom)
|
|
{
|
|
wchar_t *workbuf;
|
|
wchar_t *wbptr; /* where next char goes within workbuf */
|
|
int wblen = 0; /* workbuf len */
|
|
int buflen; /* amount of memory allocated to workbuf */
|
|
|
|
buflen = 5120; /* Default size */
|
|
workbuf = smalloc(buflen * sizeof(wchar_t));
|
|
wbptr = workbuf; /* start filling here */
|
|
|
|
while (poslt(top, bottom)) {
|
|
int nl = FALSE;
|
|
unsigned long *ldata = lineptr(top.y);
|
|
pos nlpos;
|
|
|
|
nlpos.y = top.y;
|
|
nlpos.x = cols;
|
|
|
|
if (!(ldata[cols] & LATTR_WRAPPED)) {
|
|
while (((ldata[nlpos.x - 1] & 0xFF) == 0x20 ||
|
|
(DIRECT_CHAR(ldata[nlpos.x - 1]) &&
|
|
(ldata[nlpos.x - 1] & CHAR_MASK) == 0x20))
|
|
&& poslt(top, nlpos))
|
|
decpos(nlpos);
|
|
if (poslt(nlpos, bottom))
|
|
nl = TRUE;
|
|
}
|
|
while (poslt(top, bottom) && poslt(top, nlpos)) {
|
|
#if 0
|
|
char cbuf[16], *p;
|
|
sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF));
|
|
#else
|
|
wchar_t cbuf[16], *p;
|
|
int uc = (ldata[top.x] & 0xFFFF);
|
|
int set, c;
|
|
|
|
if (uc == UCSWIDE) {
|
|
top.x++;
|
|
continue;
|
|
}
|
|
|
|
switch (uc & CSET_MASK) {
|
|
case ATTR_LINEDRW:
|
|
if (!cfg.rawcnp) {
|
|
uc = unitab_xterm[uc & 0xFF];
|
|
break;
|
|
}
|
|
case ATTR_ASCII:
|
|
uc = unitab_line[uc & 0xFF];
|
|
break;
|
|
case ATTR_SCOACS:
|
|
uc = unitab_scoacs[uc&0xFF];
|
|
break;
|
|
}
|
|
switch (uc & CSET_MASK) {
|
|
case ATTR_ACP:
|
|
uc = unitab_font[uc & 0xFF];
|
|
break;
|
|
case ATTR_OEMCP:
|
|
uc = unitab_oemcp[uc & 0xFF];
|
|
break;
|
|
}
|
|
|
|
set = (uc & CSET_MASK);
|
|
c = (uc & CHAR_MASK);
|
|
cbuf[0] = uc;
|
|
cbuf[1] = 0;
|
|
|
|
if (DIRECT_FONT(uc)) {
|
|
if (c >= ' ' && c != 0x7F) {
|
|
unsigned char buf[4];
|
|
WCHAR wbuf[4];
|
|
int rv;
|
|
if (IsDBCSLeadByteEx(font_codepage, (BYTE) c)) {
|
|
buf[0] = c;
|
|
buf[1] = (unsigned char) ldata[top.x + 1];
|
|
rv = MultiByteToWideChar(font_codepage,
|
|
0, buf, 2, wbuf, 4);
|
|
top.x++;
|
|
} else {
|
|
buf[0] = c;
|
|
rv = MultiByteToWideChar(font_codepage,
|
|
0, buf, 1, wbuf, 4);
|
|
}
|
|
|
|
if (rv > 0) {
|
|
memcpy(cbuf, wbuf, rv * sizeof(wchar_t));
|
|
cbuf[rv] = 0;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (p = cbuf; *p; p++) {
|
|
/* Enough overhead for trailing NL and nul */
|
|
if (wblen >= buflen - 16) {
|
|
workbuf =
|
|
srealloc(workbuf,
|
|
sizeof(wchar_t) * (buflen += 100));
|
|
wbptr = workbuf + wblen;
|
|
}
|
|
wblen++;
|
|
*wbptr++ = *p;
|
|
}
|
|
top.x++;
|
|
}
|
|
if (nl) {
|
|
int i;
|
|
for (i = 0; i < sel_nl_sz; i++) {
|
|
wblen++;
|
|
*wbptr++ = sel_nl[i];
|
|
}
|
|
}
|
|
top.y++;
|
|
top.x = 0;
|
|
}
|
|
wblen++;
|
|
*wbptr++ = 0;
|
|
write_clip(workbuf, wblen, FALSE); /* transfer to clipboard */
|
|
if (buflen > 0) /* indicates we allocated this buffer */
|
|
sfree(workbuf);
|
|
}
|
|
|
|
void term_copyall(void)
|
|
{
|
|
pos top;
|
|
top.y = -count234(scrollback);
|
|
top.x = 0;
|
|
clipme(top, curs);
|
|
}
|
|
|
|
/*
|
|
* The wordness array is mainly for deciding the disposition of the US-ASCII
|
|
* characters.
|
|
*/
|
|
static int wordtype(int uc)
|
|
{
|
|
static struct {
|
|
int start, end, ctype;
|
|
} *wptr, ucs_words[] = {
|
|
{
|
|
128, 160, 0}, {
|
|
161, 191, 1}, {
|
|
215, 215, 1}, {
|
|
247, 247, 1}, {
|
|
0x037e, 0x037e, 1}, /* Greek question mark */
|
|
{
|
|
0x0387, 0x0387, 1}, /* Greek ano teleia */
|
|
{
|
|
0x055a, 0x055f, 1}, /* Armenian punctuation */
|
|
{
|
|
0x0589, 0x0589, 1}, /* Armenian full stop */
|
|
{
|
|
0x0700, 0x070d, 1}, /* Syriac punctuation */
|
|
{
|
|
0x104a, 0x104f, 1}, /* Myanmar punctuation */
|
|
{
|
|
0x10fb, 0x10fb, 1}, /* Georgian punctuation */
|
|
{
|
|
0x1361, 0x1368, 1}, /* Ethiopic punctuation */
|
|
{
|
|
0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */
|
|
{
|
|
0x17d4, 0x17dc, 1}, /* Khmer punctuation */
|
|
{
|
|
0x1800, 0x180a, 1}, /* Mongolian punctuation */
|
|
{
|
|
0x2000, 0x200a, 0}, /* Various spaces */
|
|
{
|
|
0x2070, 0x207f, 2}, /* superscript */
|
|
{
|
|
0x2080, 0x208f, 2}, /* subscript */
|
|
{
|
|
0x200b, 0x27ff, 1}, /* punctuation and symbols */
|
|
{
|
|
0x3000, 0x3000, 0}, /* ideographic space */
|
|
{
|
|
0x3001, 0x3020, 1}, /* ideographic punctuation */
|
|
{
|
|
0x303f, 0x309f, 3}, /* Hiragana */
|
|
{
|
|
0x30a0, 0x30ff, 3}, /* Katakana */
|
|
{
|
|
0x3300, 0x9fff, 3}, /* CJK Ideographs */
|
|
{
|
|
0xac00, 0xd7a3, 3}, /* Hangul Syllables */
|
|
{
|
|
0xf900, 0xfaff, 3}, /* CJK Ideographs */
|
|
{
|
|
0xfe30, 0xfe6b, 1}, /* punctuation forms */
|
|
{
|
|
0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */
|
|
{
|
|
0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */
|
|
{
|
|
0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */
|
|
{
|
|
0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */
|
|
{
|
|
0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */
|
|
{
|
|
0, 0, 0}
|
|
};
|
|
|
|
uc &= (CSET_MASK | CHAR_MASK);
|
|
|
|
switch (uc & CSET_MASK) {
|
|
case ATTR_LINEDRW:
|
|
uc = unitab_xterm[uc & 0xFF];
|
|
break;
|
|
case ATTR_ASCII:
|
|
uc = unitab_line[uc & 0xFF];
|
|
break;
|
|
case ATTR_SCOACS:
|
|
uc = unitab_scoacs[uc&0xFF];
|
|
break;
|
|
}
|
|
switch (uc & CSET_MASK) {
|
|
case ATTR_ACP:
|
|
uc = unitab_font[uc & 0xFF];
|
|
break;
|
|
case ATTR_OEMCP:
|
|
uc = unitab_oemcp[uc & 0xFF];
|
|
break;
|
|
}
|
|
|
|
if (uc < 0x80)
|
|
return wordness[uc];
|
|
|
|
for (wptr = ucs_words; wptr->start; wptr++) {
|
|
if (uc >= wptr->start && uc <= wptr->end)
|
|
return wptr->ctype;
|
|
}
|
|
|
|
return 2;
|
|
}
|
|
|
|
/*
|
|
* Spread the selection outwards according to the selection mode.
|
|
*/
|
|
static pos sel_spread_half(pos p, int dir)
|
|
{
|
|
unsigned long *ldata;
|
|
short wvalue;
|
|
|
|
ldata = lineptr(p.y);
|
|
|
|
switch (selmode) {
|
|
case SM_CHAR:
|
|
/*
|
|
* In this mode, every character is a separate unit, except
|
|
* for runs of spaces at the end of a non-wrapping line.
|
|
*/
|
|
if (!(ldata[cols] & LATTR_WRAPPED)) {
|
|
unsigned long *q = ldata + cols;
|
|
while (q > ldata && (q[-1] & CHAR_MASK) == 0x20)
|
|
q--;
|
|
if (q == ldata + cols)
|
|
q--;
|
|
if (p.x >= q - ldata)
|
|
p.x = (dir == -1 ? q - ldata : cols - 1);
|
|
}
|
|
break;
|
|
case SM_WORD:
|
|
/*
|
|
* In this mode, the units are maximal runs of characters
|
|
* whose `wordness' has the same value.
|
|
*/
|
|
wvalue = wordtype(ldata[p.x]);
|
|
if (dir == +1) {
|
|
while (p.x < cols && wordtype(ldata[p.x + 1]) == wvalue)
|
|
p.x++;
|
|
} else {
|
|
while (p.x > 0 && wordtype(ldata[p.x - 1]) == wvalue)
|
|
p.x--;
|
|
}
|
|
break;
|
|
case SM_LINE:
|
|
/*
|
|
* In this mode, every line is a unit.
|
|
*/
|
|
p.x = (dir == -1 ? 0 : cols - 1);
|
|
break;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
static void sel_spread(void)
|
|
{
|
|
selstart = sel_spread_half(selstart, -1);
|
|
decpos(selend);
|
|
selend = sel_spread_half(selend, +1);
|
|
incpos(selend);
|
|
}
|
|
|
|
void term_do_paste(void)
|
|
{
|
|
wchar_t *data;
|
|
int len;
|
|
|
|
get_clip(&data, &len);
|
|
if (data) {
|
|
wchar_t *p, *q;
|
|
|
|
if (paste_buffer)
|
|
sfree(paste_buffer);
|
|
paste_pos = paste_hold = paste_len = 0;
|
|
paste_buffer = smalloc(len * sizeof(wchar_t));
|
|
|
|
p = q = data;
|
|
while (p < data + len) {
|
|
while (p < data + len &&
|
|
!(p <= data + len - sel_nl_sz &&
|
|
!memcmp(p, sel_nl, sizeof(sel_nl))))
|
|
p++;
|
|
|
|
{
|
|
int i;
|
|
for (i = 0; i < p - q; i++) {
|
|
paste_buffer[paste_len++] = q[i];
|
|
}
|
|
}
|
|
|
|
if (p <= data + len - sel_nl_sz &&
|
|
!memcmp(p, sel_nl, sizeof(sel_nl))) {
|
|
paste_buffer[paste_len++] = '\r';
|
|
p += sel_nl_sz;
|
|
}
|
|
q = p;
|
|
}
|
|
|
|
/* Assume a small paste will be OK in one go. */
|
|
if (paste_len < 256) {
|
|
luni_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);
|
|
}
|
|
|
|
void term_mouse(Mouse_Button b, Mouse_Action a, int x, int y,
|
|
int shift, int ctrl)
|
|
{
|
|
pos selpoint;
|
|
unsigned long *ldata;
|
|
|
|
if (y < 0)
|
|
y = 0;
|
|
if (y >= rows)
|
|
y = rows - 1;
|
|
if (x < 0) {
|
|
if (y > 0) {
|
|
x = cols - 1;
|
|
y--;
|
|
} else
|
|
x = 0;
|
|
}
|
|
if (x >= cols)
|
|
x = cols - 1;
|
|
|
|
selpoint.y = y + disptop;
|
|
selpoint.x = x;
|
|
ldata = lineptr(selpoint.y);
|
|
if ((ldata[cols] & LATTR_MODE) != LATTR_NORM)
|
|
selpoint.x /= 2;
|
|
|
|
if (xterm_mouse && !(cfg.mouse_override && shift)) {
|
|
int encstate = 0, r, c;
|
|
char abuf[16];
|
|
static int is_down = 0;
|
|
|
|
switch (b) {
|
|
case MBT_LEFT:
|
|
encstate = 0x20; /* left button down */
|
|
break;
|
|
case MBT_MIDDLE:
|
|
encstate = 0x21;
|
|
break;
|
|
case MBT_RIGHT:
|
|
encstate = 0x22;
|
|
break;
|
|
case MBT_WHEEL_UP:
|
|
encstate = 0x60;
|
|
break;
|
|
case MBT_WHEEL_DOWN:
|
|
encstate = 0x61;
|
|
break;
|
|
default: break; /* placate gcc warning about enum use */
|
|
}
|
|
switch (a) {
|
|
case MA_DRAG:
|
|
if (xterm_mouse == 1)
|
|
return;
|
|
encstate += 0x20;
|
|
break;
|
|
case MA_RELEASE:
|
|
encstate = 0x23;
|
|
is_down = 0;
|
|
break;
|
|
case MA_CLICK:
|
|
if (is_down == b)
|
|
return;
|
|
is_down = b;
|
|
break;
|
|
default: break; /* placate gcc warning about enum use */
|
|
}
|
|
if (shift)
|
|
encstate += 0x04;
|
|
if (ctrl)
|
|
encstate += 0x10;
|
|
r = y + 33;
|
|
c = x + 33;
|
|
|
|
sprintf(abuf, "\033[M%c%c%c", encstate, c, r);
|
|
ldisc_send(abuf, 6);
|
|
return;
|
|
}
|
|
|
|
b = translate_button(b);
|
|
|
|
if (b == MBT_SELECT && a == MA_CLICK) {
|
|
deselect();
|
|
selstate = ABOUT_TO;
|
|
selanchor = selpoint;
|
|
selmode = SM_CHAR;
|
|
} else if (b == MBT_SELECT && (a == MA_2CLK || a == MA_3CLK)) {
|
|
deselect();
|
|
selmode = (a == MA_2CLK ? SM_WORD : SM_LINE);
|
|
selstate = DRAGGING;
|
|
selstart = selanchor = selpoint;
|
|
selend = selstart;
|
|
incpos(selend);
|
|
sel_spread();
|
|
} else if ((b == MBT_SELECT && a == MA_DRAG) ||
|
|
(b == MBT_EXTEND && a != MA_RELEASE)) {
|
|
if (selstate == ABOUT_TO && poseq(selanchor, selpoint))
|
|
return;
|
|
if (b == MBT_EXTEND && a != MA_DRAG && selstate == SELECTED) {
|
|
if (posdiff(selpoint, selstart) <
|
|
posdiff(selend, selstart) / 2) {
|
|
selanchor = selend;
|
|
decpos(selanchor);
|
|
} else {
|
|
selanchor = selstart;
|
|
}
|
|
selstate = DRAGGING;
|
|
}
|
|
if (selstate != ABOUT_TO && selstate != DRAGGING)
|
|
selanchor = selpoint;
|
|
selstate = DRAGGING;
|
|
if (poslt(selpoint, selanchor)) {
|
|
selstart = selpoint;
|
|
selend = selanchor;
|
|
incpos(selend);
|
|
} else {
|
|
selstart = selanchor;
|
|
selend = selpoint;
|
|
incpos(selend);
|
|
}
|
|
sel_spread();
|
|
} else if ((b == MBT_SELECT || b == MBT_EXTEND) && a == MA_RELEASE) {
|
|
if (selstate == DRAGGING) {
|
|
/*
|
|
* We've completed a selection. We now transfer the
|
|
* data to the clipboard.
|
|
*/
|
|
clipme(selstart, selend);
|
|
selstate = SELECTED;
|
|
} else
|
|
selstate = NO_SELECTION;
|
|
} else if (b == MBT_PASTE
|
|
&& (a == MA_CLICK || a == MA_2CLK || a == MA_3CLK)) {
|
|
term_do_paste();
|
|
}
|
|
|
|
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;
|
|
}
|
|
luni_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.x = selstart.y = selend.x = selend.y = 0;
|
|
}
|
|
|
|
void term_deselect(void)
|
|
{
|
|
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.
|
|
*/
|
|
int from_backend(int is_stderr, char *data, int len)
|
|
{
|
|
while (len--) {
|
|
if (inbuf_head >= INBUF_SIZE)
|
|
term_out();
|
|
inbuf[inbuf_head++] = *data++;
|
|
}
|
|
|
|
/*
|
|
* We process all stdout/stderr data immediately we receive it,
|
|
* and don't return until it's all gone. Therefore, there's no
|
|
* reason at all to return anything other than zero from this
|
|
* function.
|
|
*
|
|
* This is a slightly suboptimal way to deal with SSH2 - in
|
|
* principle, the window mechanism would allow us to continue
|
|
* to accept data on forwarded ports and X connections even
|
|
* while the terminal processing was going slowly - but we
|
|
* can't do the 100% right thing without moving the terminal
|
|
* processing into a separate thread, and that might hurt
|
|
* portability. So we manage stdout buffering the old SSH1 way:
|
|
* if the terminal processing goes slowly, the whole SSH
|
|
* connection stops accepting data until it's ready.
|
|
*
|
|
* In practice, I can't imagine this causing serious trouble.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* 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;
|
|
}
|
|
}
|