#include <stdio.h>
#include <stdlib.h>
+#include <ctype.h>
+#include <time.h>
+#include <assert.h>
#include "putty.h"
+#include "tree234.h"
-#define CL_ANSIMIN 0x0001 /* Everybody has these even MSDOS */
+#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_VT420 0x0040 /* VT420 */
#define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */
#define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */
-#define CL_ANSI 0x1000 /* ANSI ECMA-48 not in the VT100..VT420 */
-#define CL_OTHER 0x2000 /* Others, Xterm, linux, putty, dunno, etc */
+#define 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_ANSIMIN (CL_ANSIMIN)
-#define TM_VT100 (CL_ANSIMIN+CL_VT100)
-#define TM_VT100AVO (TM_VT100+CL_VT100AVO)
-#define TM_VT102 (TM_VT100AVO+CL_VT102)
-#define TM_PUTTY (-1)
+#define 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 *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 *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 */
-static unsigned long *alttext; /* buffer of text on alt. 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;
static unsigned char *selspace; /* buffer for building selections in */
-#define TSIZE (sizeof(*text))
-#define fix_cpos do { cpos = scrtop + curs_y * (cols+1) + curs_x; } while(0)
+#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;
-static int curs_x, curs_y; /* cursor */
-static int save_x, save_y; /* saved cursor position */
+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) ( ((p2).y - (p1).y) * (cols+1) + (p2).x - (p1).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 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 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 vt52_mode; /* Is VT100+ in vt52 mode ? */
+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 xterm_mouse; /* send mouse messages to app */
static unsigned long cset_attr[2];
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 {
static enum {
SM_CHAR, SM_WORD, SM_LINE
} selmode;
-static unsigned long *selstart, *selend, *selanchor;
+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 */
};
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);
+
+/*
+ * 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, lineattrs;
+ tree234 *whichtree;
+ int i, treeindex, oldlen;
+
+ 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);
+ if (line[0] != 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];
+ delpos234(whichtree, treeindex);
+ 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;
+ addpos234(whichtree, line, treeindex);
+ }
+
+ 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 = save_x = save_y = 0;
+ 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;
alt_cset = cset = 0;
cset_attr[0] = cset_attr[1] = ATTR_ASCII;
rvideo = 0;
+ in_vbell = FALSE;
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 = 0;
+ use_bce = cfg.bce;
+ blink_is_real = cfg.blinktext;
erase_char = ERASE_CHAR;
alt_which = 0;
{
for (i = 0; i < 256; i++)
wordness[i] = cfg.wordness[i];
}
- if (text) {
+ if (screen) {
swap_screen (1);
erase_lots (FALSE, TRUE, TRUE);
swap_screen (0);
Context ctx;
ctx = get_ctx();
if (ctx) {
- if ( (seen_key_event && (unscroll_event & US_KEY)) ||
- (seen_disp_event && (unscroll_event & US_DISP)) ) {
- disptop = scrtop;
+ 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;
+ update_sbar();
}
do_paint (ctx, TRUE);
+ sys_cursor(curs.x, curs.y - disptop);
free_ctx (ctx);
}
}
void term_pwron(void) {
power_on();
fix_cpos;
- disptop = scrtop;
+ disptop = 0;
deselect();
term_update();
}
* Clear the scrollback.
*/
void term_clrsb(void) {
- disptop = sbtop = scrtop;
+ unsigned long *line;
+ disptop = 0;
+ while ((line = delpos234(scrollback, 0)) != NULL) {
+ sfree(line);
+ }
update_sbar();
}
* Initialise the terminal.
*/
void term_init(void) {
- text = sbtop = scrtop = disptop = cpos = NULL;
+ screen = alt_screen = scrollback = NULL;
+ disptop = 0;
disptext = wanttext = NULL;
tabs = NULL;
selspace = 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) {
- unsigned long *newtext, *newdisp, *newwant, *newalt;
- int i, j, crows, ccols;
-
+ tree234 *newsb, *newscreen, *newalt;
+ unsigned long *newdisp, *newwant, *oldline, *line;
+ int i, j, ccols;
+ int sblen;
int save_alt_which = alt_which;
if (newrows == rows && newcols == cols && newsavelines == savelines)
alt_t = marg_t = 0;
alt_b = marg_b = newrows - 1;
- newtext = smalloc ((newrows+newsavelines)*(newcols+1)*TSIZE);
- disptop = newtext + newsavelines*(newcols+1);
- for (i=0; i<(newrows+newsavelines)*(newcols+1); i++)
- newtext[i] = ERASE_CHAR;
- if (rows != -1) {
- crows = rows + (scrtop - sbtop) / (cols+1);
- if (crows > newrows+newsavelines)
- crows = newrows+newsavelines;
- 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);
- for (j=0; j<ccols; j++)
- newtext[newidx+j] = text[oldidx+j];
- newtext[newidx+newcols] =
- (cols == newcols ? text[oldidx+cols] : 0);
- }
- sbtop = disptop - (crows - newrows) * (newcols+1);
- if (sbtop > disptop)
- sbtop = disptop;
- } else
- sbtop = disptop;
- scrtop = disptop;
- sfree (text);
- text = newtext;
+ 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++)
sfree (wanttext);
wanttext = newwant;
- newalt = smalloc (newrows*(newcols+1)*TSIZE);
- for (i=0; i<newrows*(newcols+1); i++)
- newalt[i] = erase_char;
- sfree (alttext);
- alttext = newalt;
+ 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;
sfree (selspace);
selspace = smalloc ( (newrows+newsavelines) * (newcols+sizeof(sel_nl)) );
}
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;
+ 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;
*/
static void swap_screen (int which) {
int t;
- unsigned long tt;
+ tree234 *ttr;
if (which == alt_which)
return;
alt_which = which;
- for (t=0; t<rows*(cols+1); t++) {
- tt = scrtop[t]; scrtop[t] = alttext[t]; alttext[t] = tt;
- }
-
- t = curs_x; curs_x = alt_x; alt_x = t;
- t = curs_y; curs_y = alt_y; alt_y = t;
+ 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;
}
/*
- * 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 update_sbar(void) {
- int min;
+ int nscroll;
- min = (sbtop - text) / (cols+1);
- set_sbar ((scrtop - text) / (cols+1) + rows - min,
- (disptop - text) / (cols+1) - min,
- rows);
+ 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 (unsigned long *from, unsigned long *to) {
- if (from < selend && selstart < to)
+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 *scroll_top;
- int scroll_size, size, i;
-
- 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 && alt_which == 0 && sb) {
- /*
- * Since we're going to scroll the top line and we're on the
- * scrolling screen let's also affect the scrollback buffer.
- */
- sbtop -= lines * (cols+1);
- if (sbtop < text)
- sbtop = text;
- scroll_size += scroll_top - sbtop;
- scroll_top = sbtop;
- update_sbar();
- }
+ unsigned long *line, *line2;
+ int i;
- if (scroll_size < 0) {
- size += scroll_size;
- scroll_size = 0;
- }
+ if (topline != 0 || alt_which != 0)
+ sb = FALSE;
+
+ if (lines < 0) {
+ while (lines < 0) {
+ line = delpos234(screen, botline);
+ 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;
+ }
+ }
- if (lines > 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;
- if (selstart > scroll_top &&
- selstart < scroll_top + size + scroll_size) {
- selstart -= size;
- if (selstart < scroll_top)
- selstart = scroll_top;
- }
- if (selend > scroll_top &&
- selend < scroll_top + size + scroll_size) {
- selend -= size;
- if (selend < scroll_top)
- selend = scroll_top;
+ lines++;
}
} else {
- if (scroll_size)
- memmove (scroll_top + size, scroll_top, scroll_size*TSIZE);
- for (i = 0; i < size; i++)
- scroll_top[i] = erase_char;
- if (selstart > scroll_top &&
- selstart < scroll_top + size + scroll_size) {
- selstart += size;
- if (selstart > scroll_top + size + scroll_size)
- selstart = scroll_top + size + scroll_size;
- }
- if (selend > scroll_top &&
- selend < scroll_top + size + scroll_size) {
- selend += size;
- if (selend > scroll_top + size + scroll_size)
- selend = scroll_top + size + scroll_size;
+ 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;
+ }
+ 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--;
}
}
}
if (x >= cols)
x = cols-1;
if (marg_clip) {
- if ((curs_y >= marg_t || marg_clip == 2) && y < marg_t)
+ 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)
+ 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;
+ curs.x = x;
+ curs.y = y;
fix_cpos;
wrapnext = FALSE;
}
*/
static void save_cursor(int save) {
if (save) {
- save_x = curs_x;
- save_y = curs_y;
+ savecurs = curs;
save_attr = curr_attr;
save_cset = cset;
save_csattr = cset_attr[cset];
} else {
- curs_x = save_x;
- curs_y = save_y;
+ 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;
cset_attr[cset] = save_csattr;
* whole line, or parts thereof.
*/
static void erase_lots (int line_only, int from_begin, int to_end) {
- unsigned long *startpos, *endpos;
+ pos start, end;
+ int erase_lattr;
+ unsigned long *ldata;
if (line_only) {
- startpos = cpos - curs_x;
- endpos = startpos + cols+1;
+ start.y = curs.y;
+ start.x = 0;
+ end.y = curs.y + 1;
+ end.x = 0;
+ erase_lattr = FALSE;
} else {
- startpos = scrtop;
- endpos = startpos + rows * (cols+1);
+ 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;
}
- if (!from_begin)
- startpos = cpos;
- if (!to_end)
- endpos = cpos+1;
- check_selection (startpos, endpos);
+ check_selection (start, end);
/* Clear screen also forces a full window redraw, just in case. */
- if (startpos == scrtop && endpos == scrtop + rows * (cols+1))
+ if (start.y == 0 && start.x == 0 && end.y == rows)
term_invalidate();
- while (startpos < endpos)
- *startpos++ = erase_char;
+ ldata = lineptr(start.y);
+ while (poslt(start, end)) {
+ if (start.y == cols && !erase_lattr)
+ ldata[start.x] &= ~ATTR_WRAPPED;
+ else
+ ldata[start.x] = erase_char;
+ if (incpos(start) && start.y < rows)
+ ldata = lineptr(start.y);
+ }
}
/*
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;
- check_selection (cpos, cpos+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 (cpos, cpos+n, m*TSIZE);
+ memmove (ldata + curs.x, ldata + curs.x + n, m*TSIZE);
while (n--)
- cpos[m++] = erase_char;
+ ldata[curs.x + m++] = erase_char;
} else {
- memmove (cpos+n, cpos, m*TSIZE);
+ memmove (ldata + curs.x + n, ldata + curs.x, m*TSIZE);
while (n--)
- cpos[n] = erase_char;
+ ldata[curs.x + n] = erase_char;
}
}
* 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;
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();
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 */
- compatibility(VT220);
+ compatibility2(OTHER,VT220);
cursor_on = state;
seen_disp_event = TRUE;
break;
compatibility(OTHER);
deselect();
swap_screen (state);
- disptop = scrtop;
+ 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 */
insert = state;
break;
case 12: /* set echo mode */
- /*
- * This may be very good in smcup and rmcup (or smkx & rmkx) if you
- * have a long RTT and the telnet client/daemon doesn't understand
- * linemode.
- *
- * DONT send TS_RECHO/TS_LECHO; the telnet daemon tries to fix the
- * tty and _really_ confuses some programs.
- */
- compatibility(VT220);
- ldisc = (state? &ldisc_simple : &ldisc_term);
+ 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 c, inbuf_reap;
+
+ for(inbuf_reap = 0; inbuf_reap < inbuf_head; inbuf_reap++)
+ {
+ c = inbuf[inbuf_reap];
- while ( (c = inbuf_getc()) != -1) {
- /*
+ /*
* Optionally log the session traffic to a file. Useful for
* debugging and possibly also useful for actual logging.
*/
- if (logfile) {
- static FILE *fp = NULL;
- if (!fp) fp = fopen(logfile, "wb");
- if (fp) fputc (c, fp);
- }
+ 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 && termstate < DO_CTRLS &&
+ if( ( (c&0x60) == 0 || c == '\177') &&
+ termstate < DO_CTRLS &&
( (c&0x80) == 0 || has_compat(VT220))) {
switch (c) {
case '\005': /* terminal type query */
*
* An xterm returns "xterm" (5 characters)
*/
- compatibility(OTHER);
- ldisc->send ("PuTTY", 5);
+ 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++ = xlat_kbd2tty((unsigned char)*s);
+ }
+ ldisc_send (abuf, d-abuf);
+ }
break;
case '\007':
- beep();
- disptop = scrtop;
+ {
+ 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) && cfg.beep != 0) {
+ if (cfg.beep != 2)
+ beep(cfg.beep);
+ else if(cfg.beep == 2) {
+ in_vbell = TRUE;
+ vbell_timeout = ticks + VBELL_TIMEOUT;
+ term_update();
+ }
+ }
+ disptop = 0;
+ }
break;
case '\b':
- if (curs_x == 0 && curs_y > 0)
- curs_x = cols-1, curs_y--;
+ 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--;
+ curs.x--;
fix_cpos;
seen_disp_event = TRUE;
break;
esc_args[0] = 0;
break;
case '\r':
- curs_x = 0;
+ curs.x = 0;
wrapnext = FALSE;
fix_cpos;
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)
+ if (curs.y == marg_b)
scroll (marg_t, marg_b, 1, TRUE);
- else if (curs_y < rows-1)
- curs_y++;
+ else if (curs.y < rows-1)
+ curs.y++;
if (cfg.lfhascr)
- curs_x = 0;
+ curs.x = 0;
fix_cpos;
wrapnext = FALSE;
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;
+ 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_cpos, cpos);
+ check_selection (old_curs, curs);
}
seen_disp_event = TRUE;
break;
+ 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) {
- cpos[1] = ATTR_WRAPPED;
- if (curs_y == marg_b)
+ /* 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;
+ 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);
+ if (selstate != NO_SELECTION) {
+ pos cursplus = curs;
+ incpos(cursplus);
+ check_selection (curs, cursplus);
+ }
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.
+ /*
+ * Linedraw characters are different from 'ESC ( B'
+ * only for a small range. For ones outside that
+ * range, make sure we use the same font as well as
+ * the same encoding.
*/
case ATTR_LINEDRW:
- if (c<0x60 || c>0x7F)
+ 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 |
+ *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) {
+ curs.x++;
+ if (curs.x == cols) {
cpos--;
- curs_x--;
- wrapnext = wrap;
+ curs.x--;
+ wrapnext = TRUE;
}
seen_disp_event = 1;
break;
break;
case 'D': /* exactly equivalent to LF */
compatibility(VT100);
- if (curs_y == marg_b)
+ if (curs.y == marg_b)
scroll (marg_t, marg_b, 1, TRUE);
- else if (curs_y < rows-1)
- curs_y++;
+ 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;
- wrapnext = FALSE;
- if (curs_y == marg_b)
+ curs.x = 0;
+ if (curs.y == marg_b)
scroll (marg_t, marg_b, 1, TRUE);
- else if (curs_y < rows-1)
- curs_y++;
+ 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)
+ if (curs.y == marg_t)
scroll (marg_t, marg_b, -1, TRUE);
- else if (curs_y > 0)
- curs_y--;
+ 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 ("\033[?6c", 5);
+ ldisc_send (id_string, strlen(id_string));
break;
case 'c': /* restore power-on settings */
compatibility(VT100);
reset_132 = 0;
}
fix_cpos;
- disptop = scrtop;
+ disptop = 0;
seen_disp_event = TRUE;
break;
case '#': /* ESC # 8 fills screen with Es :-) */
break;
case 'H': /* set a tab */
compatibility(VT100);
- tabs[curs_x] = TRUE;
+ tabs[curs.x] = TRUE;
break;
}
break;
}
else switch (ANSI(c,esc_query)) {
case 'A': /* move up N lines */
- move (curs_x, curs_y - def(esc_args[0], 1), 1);
+ move (curs.x, curs.y - def(esc_args[0], 1), 1);
seen_disp_event = TRUE;
break;
case 'e': /* move down N lines */
compatibility(ANSI);
case 'B':
- move (curs_x, curs_y + def(esc_args[0], 1), 1);
+ move (curs.x, curs.y + def(esc_args[0], 1), 1);
seen_disp_event = TRUE;
break;
case 'a': /* move right N cols */
compatibility(ANSI);
+ 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 'C':
- move (curs_x + def(esc_args[0], 1), curs_y, 1);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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,
+ move (curs.x, (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1,
(dec_om ? 2 : 0));
seen_disp_event = TRUE;
break;
i = 0;
erase_lots(FALSE, !!(i & 2), !!(i & 1));
}
- disptop = scrtop;
+ disptop = 0;
seen_disp_event = TRUE;
break;
case 'K': /* erase line or parts of it */
break;
case 'L': /* insert lines */
compatibility(VT102);
- if (curs_y <= marg_b)
- scroll (curs_y, marg_b, -def(esc_args[0], 1), FALSE);
+ 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);
+ 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 */
case 'c': /* terminal type query */
compatibility(VT100);
/* This is the response for a VT102 */
- ldisc->send ("\033[?6c", 5);
+ ldisc_send (id_string, strlen(id_string));
break;
case 'n': /* cursor position query */
if (esc_args[0] == 6) {
- /* Wonder of wonders ANSI.SYS has this!! */
char buf[32];
- sprintf (buf, "\033[%d;%dR", curs_y + 1, curs_x + 1);
- ldisc->send (buf, strlen(buf));
+ sprintf (buf, "\033[%d;%dR", curs.y + 1, curs.x + 1);
+ ldisc_send (buf, strlen(buf));
}
else if (esc_args[0] == 5) {
- /* Are we working ... well I suppose so :-) */
- /* But ANSI.SYS doesn't say it's working :-) :-) */
- compatibility(VT100);
- ldisc->send ("\033[0n", 4);
+ ldisc_send ("\033[0n", 4);
}
break;
case 'h': /* toggle modes to high */
compatibility(VT100);
if (esc_nargs == 1) {
if (esc_args[0] == 0) {
- tabs[curs_x] = FALSE;
+ tabs[curs.x] = FALSE;
} else if (esc_args[0] == 3) {
int i;
for (i = 0; i < cols; i++)
compatibility(VT100);
if (esc_nargs <= 2) {
int top, bot;
- /* VTTEST Bug 9 if the first arg is default _or_ zero
- * this is a full screen region irrespective of 2nd arg.
- */
- if (esc_args[0] <= 0) {
- top=0;
- bot=rows-1;
- } else {
- top = def(esc_args[0], 1) - 1;
- bot = (esc_nargs <= 1 || esc_args[1] == 0 ? rows :
- def(esc_args[1], rows)) - 1;
- }
+ top = def(esc_args[0], 1) - 1;
+ bot = (esc_nargs <= 1 || esc_args[1] == 0 ? rows :
+ def(esc_args[1], rows)) - 1;
if (bot >= rows)
bot = rows-1;
- if (top <= bot) {
+ /* 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;
+ curs.x = 0;
/*
* I used to think the cursor should be
* placed at the top of the newly marginned
*
* Well actually it should for Origin mode - RDB
*/
- curs_y = (dec_om ? marg_t : 0);
+ curs.y = (dec_om ? marg_t : 0);
fix_cpos;
seen_disp_event = TRUE;
}
case 7: /* enable reverse video */
curr_attr |= ATTR_REVERSE; break;
case 22: /* disable bold */
- compatibility(VT220);
+ compatibility2(OTHER,VT220);
curr_attr &= ~ATTR_BOLD; break;
case 24: /* disable underline */
- compatibility(VT220);
+ compatibility2(OTHER,VT220);
curr_attr &= ~ATTR_UNDER; break;
case 25: /* disable blink */
- compatibility(VT220);
+ compatibility2(OTHER,VT220);
curr_attr &= ~ATTR_BLINK; break;
case 27: /* disable reverse video */
- compatibility(VT220);
+ compatibility2(OTHER,VT220);
curr_attr &= ~ATTR_REVERSE; break;
case 30: case 31: case 32: case 33:
case 34: case 35: case 36: case 37:
}
}
if (use_bce)
- erase_char = (' '|(curr_attr&(ATTR_FGMASK|ATTR_BGMASK)));
+ erase_char =
+ (' '|
+ (curr_attr&(ATTR_FGMASK|ATTR_BGMASK|ATTR_BLINK))
+ );
}
break;
case 's': /* save cursor */
*/
compatibility(VT340TEXT);
if (esc_nargs<=1 && (esc_args[0]<1 || esc_args[0]>=24)) {
- unsigned int newrows = def(esc_args[0], 24);
- /* Hack: prevent big-resize DoS attack. */
- if (newrows > max(512, cfg.height))
- newrows = max(512, cfg.height);
- request_resize (cols, newrows, 0);
+ request_resize (cols, def(esc_args[0], 24), 0);
deselect();
}
break;
* reasonable range (24..49 AIUI) with no default specified.
*/
compatibility(VT420);
- if (esc_nargs==1 && esc_args[0]>=24) {
- unsigned int newrows = def(esc_args[0], cfg.height);
- /* Hack: prevent big-resize DoS attack. */
- if (newrows > max(512, cfg.height))
- newrows = max(512, cfg.height);
- request_resize (cols, newrows, 0);
+ if (esc_nargs==1 && esc_args[0]>0) {
+ request_resize (cols, def(esc_args[0], cfg.height), 0);
deselect();
}
break;
*/
compatibility(VT340TEXT);
if (esc_nargs<=1) {
- unsigned int newcols = def(esc_args[0], cfg.width);
- /* Hack: prevent big-resize DoS attack. */
- if (newcols > max(512, cfg.width))
- newcols = max(512, cfg.width);
- request_resize (newcols, rows, 0);
+ 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(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;
- check_selection (cpos, cpos+n);
+ 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;
if (i == 0 || i == 1) {
strcpy (buf, "\033[2;1;1;112;112;1;0x");
buf[2] += i;
- ldisc->send (buf, 20);
+ ldisc_send (buf, 20);
}
}
break;
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 == 60 is a PuTTY extension.
- * The 2nd arg, 8bit vs 7bit is not obeyed.
+ * 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.
* Note ESC c will NOT change this!
*/
- if (esc_args[0] == 61) compatibility_level = TM_VT102;
- else if (esc_args[0] == 60) compatibility_level = TM_ANSIMIN;
- else compatibility_level = TM_PUTTY;
+ 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;
}
break;
case SEEN_ESCHASH:
- if (c == '8') {
- unsigned long *p = scrtop;
- int n = rows * (cols+1);
- while (n--)
- *p++ = ATTR_DEFAULT | 'E';
- disptop = scrtop;
- seen_disp_event = TRUE;
- check_selection (scrtop, scrtop + rows * (cols+1));
+ {
+ unsigned long nlattr;
+ unsigned long *ldata;
+ int i, j;
+ pos scrtop, scrbot;
+
+ switch (c) {
+ case '8':
+ 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 '3': nlattr = LATTR_TOP; goto lattr_common;
+ case '4': nlattr = LATTR_BOT; goto lattr_common;
+ case '5': nlattr = LATTR_NORM; goto lattr_common;
+ case '6': nlattr = LATTR_WIDE;
+ lattr_common:
+
+ ldata = lineptr(curs.y);
+ ldata[cols] &= ~LATTR_MODE;
+ ldata[cols] |= nlattr;
+ }
}
termstate = TOPLEVEL;
break;
seen_disp_event = TRUE;
switch (c) {
case 'A':
- move (curs_x, curs_y - 1, 1);
+ move (curs.x, curs.y - 1, 1);
break;
case 'B':
- move (curs_x, curs_y + 1, 1);
+ move (curs.x, curs.y + 1, 1);
break;
case 'C':
- move (curs_x + 1, curs_y, 1);
+ move (curs.x + 1, curs.y, 1);
break;
case 'D':
- move (curs_x - 1, curs_y, 1);
+ move (curs.x - 1, curs.y, 1);
break;
case 'F':
cset_attr[cset=0] = ATTR_LINEDRW;
move (0, 0, 0);
break;
case 'I':
- if (curs_y == 0)
+ if (curs.y == 0)
scroll (0, rows-1, -1, TRUE);
- else if (curs_y > 0)
- curs_y--;
+ else if (curs.y > 0)
+ curs.y--;
fix_cpos;
wrapnext = FALSE;
break;
case 'J':
erase_lots(FALSE, FALSE, TRUE);
- disptop = scrtop;
+ disptop = 0;
break;
case 'K':
erase_lots(TRUE, FALSE, TRUE);
termstate = VT52_Y1;
break;
case 'Z':
- ldisc->send ("\033/Z", 3);
+ ldisc_send ("\033/Z", 3);
break;
case '=':
- app_cursor_keys = TRUE;
+ app_keypad_keys = TRUE;
break;
case '>':
- app_cursor_keys = FALSE;
+ app_keypad_keys = FALSE;
break;
case '<':
/* XXX This should switch to VT100 mode not current or default
break;
case VT52_Y1:
termstate = VT52_Y2;
- move(curs_x, c-' ', 0);
+ move(curs.x, c-' ', 0);
break;
case VT52_Y2:
termstate = TOPLEVEL;
- move(c-' ', curs_y, 0);
+ move(c-' ', curs.y, 0);
break;
}
- if (selstate != NO_SELECTION)
- check_selection (cpos, cpos+1);
+ if (selstate != NO_SELECTION) {
+ pos cursplus = curs;
+ incpos(cursplus);
+ check_selection (curs, cursplus);
+ }
}
+ inbuf_head = 0;
}
/*
* 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;
+ pos scrpos;
char ch[1024];
+ long ticks;
+
+ /*
+ * Check the visual bell state.
+ */
+ if (in_vbell) {
+ ticks = GetTickCount();
+ if (ticks - vbell_timeout >= 0)
+ in_vbell = FALSE;
+ }
+ /* 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
+ */
if (cursor_on) {
if (has_focus) {
if (blinker || !cfg.blink_cur)
}
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);
+ else
+ cursor = 0;
+ rv = (!rvideo ^ !in_vbell ? ATTR_REVERSE : 0);
+ our_curs_y = curs.y - disptop;
for (i=0; i<rows; i++) {
- int idx = i*(cols+1);
- for (j=0; j<=cols; j++,idx++) {
- unsigned long *d = disptop+idx;
- wanttext[idx] = ((*d ^ rv
- ^ (selstart <= d && d < selend ?
- ATTR_REVERSE : 0)) |
- (i==our_curs_y && j==curs_x ? cursor : 0));
+ unsigned long *ldata;
+ int lattr;
+ scrpos.y = i + disptop;
+ ldata = lineptr(scrpos.y);
+ lattr = (ldata[cols] & LATTR_MODE);
+ for (j=0; j<=cols; j++) {
+ unsigned long d = ldata[j];
+ int idx = i*(cols+1)+j;
+ scrpos.x = j;
+
+ wanttext[idx] = lattr | (((d &~ ATTR_WRAPPED) ^ rv
+ ^ (posle(selstart, scrpos) &&
+ poslt(scrpos, 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) {
*/
void term_blink(int flg) {
-static long last_blink = 0;
+ 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 = GetTickCount();
+ last_blink = now;
return;
}
- now = GetTickCount();
blink_diff = now-last_blink;
- /* Make sure the cursor blinks no more than 2Hz */
- if (blink_diff>=0 && blink_diff<450)
+ /* Make sure the cursor blinks no faster than GetCaretBlinkTime() */
+ if (blink_diff>=0 && blink_diff<(long)GetCaretBlinkTime())
return;
last_blink = now;
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
* relative to the current position.
*/
void term_scroll (int rel, int where) {
- int n = where * (cols+1);
+ int sbtop = -count234(scrollback);
- disptop = (rel < 0 ? scrtop :
- rel > 0 ? sbtop : disptop) + n;
+ disptop = (rel < 0 ? 0 :
+ rel > 0 ? sbtop : disptop) + where;
if (disptop < sbtop)
disptop = sbtop;
- if (disptop > scrtop)
- disptop = scrtop;
+ if (disptop > 0)
+ disptop = 0;
update_sbar();
term_update();
}
+static void clipme(pos top, pos 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 (poslt(top, bottom)) {
+ int nl = FALSE;
+ unsigned long *ldata = lineptr(top.y);
+ pos nlpos;
+
+ nlpos.y = top.y;
+ nlpos.x = cols;
+
+ if (!(ldata[cols] & ATTR_WRAPPED)) {
+ while ((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)) {
+ int ch = (ldata[top.x] & CHAR_MASK);
+ int set = (ldata[top.x] & CSET_MASK);
+
+ /* VT Specials -> ISO8859-1 for Cut&Paste */
+ static const unsigned char poorman2[] =
+"* # HTFFCRLF\xB0 \xB1 NLVT+ + + + + - - - - - + + + + | <=>=PI!=\xA3 \xB7 ";
+
+ if (set && !cfg.rawcnp) {
+ if (set == ATTR_LINEDRW && ch >= 0x60 && ch < 0x7F) {
+ int x;
+ if ((x = poorman2[2*(ch-0x60)+1]) == ' ')
+ x = 0;
+ ch = (x<<8) + poorman2[2*(ch-0x60)];
+ }
+ }
+
+ while(ch != 0) {
+ if (cfg.rawcnp || !!(ch&0xE0)) {
+ if ( wblen == buflen )
+ {
+ workbuf = srealloc(workbuf, buflen += 100);
+ wbptr = workbuf + wblen;
+ }
+ wblen++;
+ *wbptr++ = (unsigned char) ch;
+ }
+ ch>>=8;
+ }
+ top.x++;
+ }
+ 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.y++;
+ top.x = 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, NULL /* dynamic allocation */);
+}
+
/*
* Spread the selection outwards according to the selection mode.
*/
-static unsigned long *sel_spread_half (unsigned long *p, int dir) {
- unsigned long *linestart, *lineend;
- int x;
+static pos sel_spread_half (pos p, int dir) {
+ unsigned long *ldata;
short wvalue;
- x = (p - text) % (cols+1);
- linestart = p - x;
- lineend = linestart + cols;
+ 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 (!(linestart[cols] & ATTR_WRAPPED)) {
- unsigned long *q = lineend;
- while (q > linestart && (q[-1] & CHAR_MASK) == 0x20)
+ if (!(ldata[cols] & ATTR_WRAPPED)) {
+ unsigned long *q = ldata+cols;
+ while (q > ldata && (q[-1] & CHAR_MASK) == 0x20)
q--;
- if (q == lineend)
+ if (q == ldata+cols)
q--;
- if (p >= q)
- p = (dir == -1 ? q : lineend - 1);
+ 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 = wordness[*p & CHAR_MASK];
+ wvalue = wordness[ldata[p.x] & CHAR_MASK];
if (dir == +1) {
- while (p < lineend && wordness[p[1] & CHAR_MASK] == wvalue)
- p++;
+ while (p.x < cols && wordness[ldata[p.x+1] & CHAR_MASK] == wvalue)
+ p.x++;
} else {
- while (p > linestart && wordness[p[-1] & CHAR_MASK] == wvalue)
- p--;
+ while (p.x > 0 && wordness[ldata[p.x-1] & CHAR_MASK] == wvalue)
+ p.x--;
}
break;
case SM_LINE:
/*
* In this mode, every line is a unit.
*/
- p = (dir == -1 ? linestart : lineend - 1);
+ p.x = (dir == -1 ? 0 : cols - 1);
break;
}
return p;
static void sel_spread (void) {
selstart = sel_spread_half (selstart, -1);
- selend = sel_spread_half (selend - 1, +1) + 1;
+ decpos(selend);
+ selend = sel_spread_half (selend, +1);
+ incpos(selend);
}
-void term_mouse (Mouse_Button b, Mouse_Action a, int x, int y) {
- unsigned long *selpoint;
+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>=cols) x = cols-1;
- selpoint = disptop + y * (cols+1) + x;
+ selpoint.y = y + disptop;
+ selpoint.x = x;
+ ldata = lineptr(selpoint.y);
+ if ((ldata[cols]&LATTR_MODE) != LATTR_NORM)
+ selpoint.x /= 2;
+
+ if (xterm_mouse) {
+ int encstate = 0, r, c;
+ char abuf[16];
+ static int is_down = 0;
- if (b == MB_SELECT && a == MA_CLICK) {
+ 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;
+ }
+ 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;
+ }
+ 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 == MB_SELECT && (a == MA_2CLK || a == MA_3CLK)) {
+ } 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 + 1;
+ selend = selstart;
+ incpos(selend);
sel_spread();
- } else if ((b == MB_SELECT && a == MA_DRAG) ||
- (b == MB_EXTEND && a != MA_RELEASE)) {
- if (selstate == ABOUT_TO && selanchor == selpoint)
+ } else if ((b == MBT_SELECT && a == MA_DRAG) ||
+ (b == MBT_EXTEND && a != MA_RELEASE)) {
+ if (selstate == ABOUT_TO && poseq(selanchor, selpoint))
return;
- if (b == MB_EXTEND && a != MA_DRAG && selstate == SELECTED) {
- if (selpoint-selstart < (selend-selstart)/2)
- selanchor = selend - 1;
- else
+ 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 (selpoint < selanchor) {
+ if (poslt(selpoint, selanchor)) {
selstart = selpoint;
- selend = selanchor + 1;
+ selend = selanchor;
+ incpos(selend);
} else {
selstart = selanchor;
- selend = selpoint + 1;
+ selend = selpoint;
+ incpos(selend);
}
sel_spread();
- } else if ((b == MB_SELECT || b == MB_EXTEND) && a == MA_RELEASE) {
+ } 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.
*/
- 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;
- } else if (b == MB_PASTE && (a==MA_CLICK || a==MA_2CLK || a==MA_3CLK)) {
+ } else if (b == MBT_PASTE && (a==MA_CLICK || a==MA_2CLK || a==MA_3CLK)) {
char *data;
int len;
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 &&
for(i=0;i<p-q;i++)
{
c=xlat_kbd2tty(q[i]);
- ldisc->send(&c,1);
+ paste_buffer[paste_len++] = c;
}
}
if (p <= data+len-sizeof(sel_nl) &&
!memcmp(p, sel_nl, sizeof(sel_nl))) {
- ldisc->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;
+ 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.
+ */
+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; }
+}
projects / u / mdw / putty / blobdiff