b01ef80dc51dc27ae649545be6c787f3d8a98b80
14 #define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */
15 #define CL_VT100 0x0002 /* VT100 */
16 #define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */
17 #define CL_VT102 0x0008 /* VT102 */
18 #define CL_VT220 0x0010 /* VT220 */
19 #define CL_VT320 0x0020 /* VT320 */
20 #define CL_VT420 0x0040 /* VT420 */
21 #define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */
22 #define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */
23 #define CL_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */
24 #define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */
25 #define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */
27 #define TM_VT100 (CL_ANSIMIN|CL_VT100)
28 #define TM_VT100AVO (TM_VT100|CL_VT100AVO)
29 #define TM_VT102 (TM_VT100AVO|CL_VT102)
30 #define TM_VT220 (TM_VT102|CL_VT220)
31 #define TM_VTXXX (TM_VT220|CL_VT340TEXT|CL_VT510|CL_VT420|CL_VT320)
32 #define TM_SCOANSI (CL_ANSIMIN|CL_SCOANSI)
34 #define TM_PUTTY (0xFFFF)
36 #define compatibility(x) \
37 if ( ((CL_##x)&compatibility_level) == 0 ) { \
41 #define compatibility2(x,y) \
42 if ( ((CL_##x|CL_##y)&compatibility_level) == 0 ) { \
47 #define has_compat(x) ( ((CL_##x)&compatibility_level) != 0 )
49 static int compatibility_level
= TM_PUTTY
;
51 static tree234
*scrollback
; /* lines scrolled off top of screen */
52 static tree234
*screen
; /* lines on primary screen */
53 static tree234
*alt_screen
; /* lines on alternate screen */
54 static int disptop
; /* distance scrolled back (0 or -ve) */
56 static unsigned long *cpos
; /* cursor position (convenience) */
58 static unsigned long *disptext
; /* buffer of text on real screen */
59 static unsigned long *dispcurs
; /* location of cursor on real screen */
60 static unsigned long curstype
; /* type of cursor on real screen */
62 #define VBELL_TIMEOUT 100 /* millisecond len of visual bell */
65 struct beeptime
*next
;
68 static struct beeptime
*beephead
, *beeptail
;
73 #define TSIZE (sizeof(unsigned long))
74 #define fix_cpos do { cpos = lineptr(curs.y) + curs.x; } while(0)
76 static unsigned long curr_attr
, save_attr
;
77 static unsigned long erase_char
= ERASE_CHAR
;
82 #define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) )
83 #define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) )
84 #define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x )
85 #define posdiff(p1,p2) ( ((p1).y - (p2).y) * (cols+1) + (p1).x - (p2).x )
86 #define incpos(p) ( (p).x == cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) )
87 #define decpos(p) ( (p).x == 0 ? ((p).x = cols, (p).y--, 1) : ((p).x--, 0) )
89 static pos curs
; /* cursor */
90 static pos savecurs
; /* saved cursor position */
91 static int marg_t
, marg_b
; /* scroll margins */
92 static int dec_om
; /* DEC origin mode flag */
93 static int wrap
, wrapnext
; /* wrap flags */
94 static int insert
; /* insert-mode flag */
95 static int cset
; /* 0 or 1: which char set */
96 static int save_cset
, save_csattr
; /* saved with cursor position */
97 static int rvideo
; /* global reverse video flag */
98 static int rvbell_timeout
; /* for ESC[?5hESC[?5l vbell */
99 static int cursor_on
; /* cursor enabled flag */
100 static int reset_132
; /* Flag ESC c resets to 80 cols */
101 static int use_bce
; /* Use Background coloured erase */
102 static int blinker
; /* When blinking is the cursor on ? */
103 static int tblinker
; /* When the blinking text is on */
104 static int blink_is_real
; /* Actually blink blinking text */
105 static int term_echoing
; /* Does terminal want local echo? */
106 static int term_editing
; /* Does terminal want local edit? */
107 static int vt52_bold
; /* Force bold on non-bold colours */
108 static int utf_state
; /* Is there a pending UTF-8 character */
109 static int utf_char
; /* and what is it so far. */
110 static int utf_size
; /* The size of the UTF character. */
112 static int xterm_mouse
; /* send mouse messages to app */
114 static unsigned long cset_attr
[2];
117 * Saved settings on the alternate screen.
119 static int alt_x
, alt_y
, alt_om
, alt_wrap
, alt_wnext
, alt_ins
, alt_cset
;
120 static int alt_t
, alt_b
;
121 static int alt_which
;
123 #define ARGS_MAX 32 /* max # of esc sequence arguments */
124 #define ARG_DEFAULT 0 /* if an arg isn't specified */
125 #define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) )
126 static int esc_args
[ARGS_MAX
];
127 static int esc_nargs
;
128 static int esc_query
;
129 #define ANSI(x,y) ((x)+((y)<<8))
130 #define ANSI_QUE(x) ANSI(x,TRUE)
132 #define OSC_STR_MAX 2048
133 static int osc_strlen
;
134 static char osc_string
[OSC_STR_MAX
+ 1];
137 static char id_string
[1024] = "\033[?6c";
139 static unsigned char *tabs
;
151 OSC_STRING
, OSC_MAYBE_ST
,
160 NO_SELECTION
, ABOUT_TO
, DRAGGING
, SELECTED
163 SM_CHAR
, SM_WORD
, SM_LINE
165 static pos selstart
, selend
, selanchor
;
167 static short wordness
[256] = {
168 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
169 0, 0, 0, 0, 0, 0, 0, 0, /* 01 */
170 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
171 2, 2, 1, 1, 1, 1, 1, 1, /* 23 */
172 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
173 2, 2, 2, 1, 1, 1, 1, 2, /* 45 */
174 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
175 2, 2, 2, 1, 1, 1, 1, 1, /* 67 */
176 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
177 1, 1, 1, 1, 1, 1, 1, 1, /* 89 */
178 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
179 1, 1, 1, 1, 1, 1, 1, 1, /* AB */
180 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
181 2, 2, 2, 2, 2, 2, 2, 2, /* CD */
182 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
183 2, 2, 2, 2, 2, 2, 2, 2, /* EF */
186 #define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t))
187 static wchar_t sel_nl
[] = SEL_NL
;
188 static wchar_t *paste_buffer
= 0;
189 static int paste_len
, paste_pos
, paste_hold
;
192 * Internal prototypes.
194 static void do_paint(Context
, int);
195 static void erase_lots(int, int, int);
196 static void swap_screen(int);
197 static void update_sbar(void);
198 static void deselect(void);
199 /* log session to file stuff ... */
200 static FILE *lgfp
= NULL
;
201 static void logtraffic(unsigned char c
, int logmode
);
204 * Resize a line to make it `cols' columns wide.
206 unsigned long *resizeline(unsigned long *line
, int cols
)
209 unsigned long lineattrs
;
211 if (line
[0] != (unsigned long)cols
) {
213 * This line is the wrong length, which probably means it
214 * hasn't been accessed since a resize. Resize it now.
217 lineattrs
= line
[oldlen
+ 1];
218 line
= srealloc(line
, TSIZE
* (2 + cols
));
220 for (i
= oldlen
; i
< cols
; i
++)
221 line
[i
+ 1] = ERASE_CHAR
;
222 line
[cols
+ 1] = lineattrs
& LATTR_MODE
;
229 * Retrieve a line of the screen or of the scrollback, according to
230 * whether the y coordinate is non-negative or negative
233 unsigned long *lineptr(int y
, int lineno
)
235 unsigned long *line
, *newline
;
243 whichtree
= scrollback
;
244 treeindex
= y
+ count234(scrollback
);
246 line
= index234(whichtree
, treeindex
);
248 /* We assume that we don't screw up and retrieve something out of range. */
249 assert(line
!= NULL
);
251 newline
= resizeline(line
, cols
);
252 if (newline
!= line
) {
253 delpos234(whichtree
, treeindex
);
254 addpos234(whichtree
, newline
, treeindex
);
260 #define lineptr(x) lineptr(x,__LINE__)
262 * Set up power-on settings for the terminal.
264 static void power_on(void)
266 curs
.x
= curs
.y
= alt_x
= alt_y
= savecurs
.x
= savecurs
.y
= 0;
269 alt_b
= marg_b
= rows
- 1;
274 for (i
= 0; i
< cols
; i
++)
275 tabs
[i
] = (i
% 8 == 0 ? TRUE
: FALSE
);
277 alt_om
= dec_om
= cfg
.dec_om
;
278 alt_wnext
= wrapnext
= alt_ins
= insert
= FALSE
;
279 alt_wrap
= wrap
= cfg
.wrap_mode
;
281 cset_attr
[0] = cset_attr
[1] = ATTR_ASCII
;
286 save_attr
= curr_attr
= ATTR_DEFAULT
;
287 term_editing
= term_echoing
= FALSE
;
288 ldisc_send(NULL
, 0); /* cause ldisc to notice changes */
289 app_cursor_keys
= cfg
.app_cursor
;
290 app_keypad_keys
= cfg
.app_keypad
;
292 blink_is_real
= cfg
.blinktext
;
293 erase_char
= ERASE_CHAR
;
297 for (i
= 0; i
< 256; i
++)
298 wordness
[i
] = cfg
.wordness
[i
];
302 erase_lots(FALSE
, TRUE
, TRUE
);
304 erase_lots(FALSE
, TRUE
, TRUE
);
309 * Force a screen update.
311 void term_update(void)
318 if ((seen_key_event
&& (cfg
.scroll_on_key
)) ||
319 (seen_disp_event
&& (cfg
.scroll_on_disp
))) {
320 disptop
= 0; /* return to main screen */
321 seen_disp_event
= seen_key_event
= 0;
324 sys_cursor(curs
.x
, curs
.y
- disptop
);
330 * Same as power_on(), but an external function.
332 void term_pwron(void)
342 * Clear the scrollback.
344 void term_clrsb(void)
348 while ((line
= delpos234(scrollback
, 0)) != NULL
) {
355 * Initialise the terminal.
359 screen
= alt_screen
= scrollback
= NULL
;
361 disptext
= dispcurs
= NULL
;
366 beephead
= beeptail
= NULL
;
369 beep_overloaded
= FALSE
;
373 * Set up the terminal for a given size.
375 void term_size(int newrows
, int newcols
, int newsavelines
)
378 unsigned long *newdisp
, *line
;
381 int save_alt_which
= alt_which
;
383 if (newrows
== rows
&& newcols
== cols
&& newsavelines
== savelines
)
384 return; /* nothing to do */
390 alt_b
= marg_b
= newrows
- 1;
393 scrollback
= newtree234(NULL
);
394 screen
= newtree234(NULL
);
399 * Resize the screen and scrollback. We only need to shift
400 * lines around within our data structures, because lineptr()
401 * will take care of resizing each individual line if
404 * - If the new screen and the old screen differ in length, we
405 * must shunt some lines in from the scrollback or out to
408 * - If doing that fails to provide us with enough material to
409 * fill the new screen (i.e. the number of rows needed in
410 * the new screen exceeds the total number in the previous
411 * screen+scrollback), we must invent some blank lines to
414 * - Then, if the new scrollback length is less than the
415 * amount of scrollback we actually have, we must throw some
418 sblen
= count234(scrollback
);
419 /* Do this loop to expand the screen if newrows > rows */
420 for (i
= rows
; i
< newrows
; i
++) {
422 line
= delpos234(scrollback
, --sblen
);
424 line
= smalloc(TSIZE
* (newcols
+ 2));
426 for (j
= 0; j
<= newcols
; j
++)
427 line
[j
+ 1] = ERASE_CHAR
;
429 addpos234(screen
, line
, 0);
431 /* Do this loop to shrink the screen if newrows < rows */
432 for (i
= newrows
; i
< rows
; i
++) {
433 line
= delpos234(screen
, 0);
434 addpos234(scrollback
, line
, sblen
++);
436 assert(count234(screen
) == newrows
);
437 while (sblen
> newsavelines
) {
438 line
= delpos234(scrollback
, 0);
442 assert(count234(scrollback
) <= newsavelines
);
445 newdisp
= smalloc(newrows
* (newcols
+ 1) * TSIZE
);
446 for (i
= 0; i
< newrows
* (newcols
+ 1); i
++)
447 newdisp
[i
] = ATTR_INVALID
;
452 newalt
= newtree234(NULL
);
453 for (i
= 0; i
< newrows
; i
++) {
454 line
= smalloc(TSIZE
* (newcols
+ 2));
456 for (j
= 0; j
<= newcols
; j
++)
457 line
[j
+ 1] = erase_char
;
458 addpos234(newalt
, line
, i
);
461 while (NULL
!= (line
= delpos234(alt_screen
, 0)))
463 freetree234(alt_screen
);
467 tabs
= srealloc(tabs
, newcols
* sizeof(*tabs
));
470 for (i
= (cols
> 0 ? cols
: 0); i
< newcols
; i
++)
471 tabs
[i
] = (i
% 8 == 0 ? TRUE
: FALSE
);
475 curs
.y
+= newrows
- rows
;
478 if (curs
.y
>= newrows
)
479 curs
.y
= newrows
- 1;
480 if (curs
.x
>= newcols
)
481 curs
.x
= newcols
- 1;
483 wrapnext
= alt_wnext
= FALSE
;
487 savelines
= newsavelines
;
490 swap_screen(save_alt_which
);
499 static void swap_screen(int which
)
504 if (which
== alt_which
)
531 wrapnext
= alt_wnext
;
544 * Update the scroll bar.
546 static void update_sbar(void)
550 nscroll
= count234(scrollback
);
552 set_sbar(nscroll
+ rows
, nscroll
+ disptop
, rows
);
556 * Check whether the region bounded by the two pointers intersects
557 * the scroll region, and de-select the on-screen selection if so.
559 static void check_selection(pos from
, pos to
)
561 if (poslt(from
, selend
) && poslt(selstart
, to
))
566 * Scroll the screen. (`lines' is +ve for scrolling forward, -ve
567 * for backward.) `sb' is TRUE if the scrolling is permitted to
568 * affect the scrollback buffer.
570 * NB this function invalidates all pointers into lines of the
571 * screen data structures. In particular, you MUST call fix_cpos
572 * after calling scroll() and before doing anything else that
573 * uses the cpos shortcut pointer.
575 static void scroll(int topline
, int botline
, int lines
, int sb
)
577 unsigned long *line
, *line2
;
580 if (topline
!= 0 || alt_which
!= 0)
585 line
= delpos234(screen
, botline
);
586 line
= resizeline(line
, cols
);
587 for (i
= 0; i
< cols
; i
++)
588 line
[i
+ 1] = erase_char
;
590 addpos234(screen
, line
, topline
);
592 if (selstart
.y
>= topline
&& selstart
.y
<= botline
) {
594 if (selstart
.y
> botline
) {
595 selstart
.y
= botline
;
599 if (selend
.y
>= topline
&& selend
.y
<= botline
) {
601 if (selend
.y
> botline
) {
611 line
= delpos234(screen
, topline
);
612 if (sb
&& savelines
> 0) {
613 int sblen
= count234(scrollback
);
615 * We must add this line to the scrollback. We'll
616 * remove a line from the top of the scrollback to
617 * replace it, or allocate a new one if the
618 * scrollback isn't full.
620 if (sblen
== savelines
) {
621 sblen
--, line2
= delpos234(scrollback
, 0);
623 line2
= smalloc(TSIZE
* (cols
+ 2));
626 addpos234(scrollback
, line
, sblen
);
629 line
= resizeline(line
, cols
);
630 for (i
= 0; i
< cols
; i
++)
631 line
[i
+ 1] = erase_char
;
633 addpos234(screen
, line
, botline
);
635 if (selstart
.y
>= topline
&& selstart
.y
<= botline
) {
637 if (selstart
.y
< topline
) {
638 selstart
.y
= topline
;
642 if (selend
.y
>= topline
&& selend
.y
<= botline
) {
644 if (selend
.y
< topline
) {
656 * Move the cursor to a given position, clipping at boundaries. We
657 * may or may not want to clip at the scroll margin: marg_clip is 0
658 * not to, 1 to disallow _passing_ the margins, and 2 to disallow
659 * even _being_ outside the margins.
661 static void move(int x
, int y
, int marg_clip
)
668 if ((curs
.y
>= marg_t
|| marg_clip
== 2) && y
< marg_t
)
670 if ((curs
.y
<= marg_b
|| marg_clip
== 2) && y
> marg_b
)
684 * Save or restore the cursor and SGR mode.
686 static void save_cursor(int save
)
690 save_attr
= curr_attr
;
692 save_csattr
= cset_attr
[cset
];
695 /* Make sure the window hasn't shrunk since the save */
701 curr_attr
= save_attr
;
703 cset_attr
[cset
] = save_csattr
;
706 erase_char
= (' ' | (curr_attr
& (ATTR_FGMASK
| ATTR_BGMASK
)));
711 * Erase a large portion of the screen: the whole screen, or the
712 * whole line, or parts thereof.
714 static void erase_lots(int line_only
, int from_begin
, int to_end
)
718 unsigned long *ldata
;
740 check_selection(start
, end
);
742 /* Clear screen also forces a full window redraw, just in case. */
743 if (start
.y
== 0 && start
.x
== 0 && end
.y
== rows
)
746 ldata
= lineptr(start
.y
);
747 while (poslt(start
, end
)) {
748 if (start
.y
== cols
&& !erase_lattr
)
749 ldata
[start
.x
] &= ~LATTR_WRAPPED
;
751 ldata
[start
.x
] = erase_char
;
752 if (incpos(start
) && start
.y
< rows
)
753 ldata
= lineptr(start
.y
);
758 * Insert or delete characters within the current line. n is +ve if
759 * insertion is desired, and -ve for deletion.
761 static void insch(int n
)
763 int dir
= (n
< 0 ?
-1 : +1);
766 unsigned long *ldata
;
768 n
= (n
< 0 ?
-n
: n
);
769 if (n
> cols
- curs
.x
)
771 m
= cols
- curs
.x
- n
;
773 cursplus
.x
= curs
.x
+ n
;
774 check_selection(curs
, cursplus
);
775 ldata
= lineptr(curs
.y
);
777 memmove(ldata
+ curs
.x
, ldata
+ curs
.x
+ n
, m
* TSIZE
);
779 ldata
[curs
.x
+ m
++] = erase_char
;
781 memmove(ldata
+ curs
.x
+ n
, ldata
+ curs
.x
, m
* TSIZE
);
783 ldata
[curs
.x
+ n
] = erase_char
;
788 * Toggle terminal mode `mode' to state `state'. (`query' indicates
789 * whether the mode is a DEC private one or a normal one.)
791 static void toggle_mode(int mode
, int query
, int state
)
797 case 1: /* application cursor keys */
798 app_cursor_keys
= state
;
800 case 2: /* VT52 mode */
803 blink_is_real
= FALSE
;
806 blink_is_real
= cfg
.blinktext
;
809 case 3: /* 80/132 columns */
811 request_resize(state ?
132 : 80, rows
, 1);
814 case 5: /* reverse video */
816 * Toggle reverse video. If we receive an OFF within the
817 * visual bell timeout period after an ON, we trigger an
818 * effective visual bell, so that ESC[?5hESC[?5l will
819 * always be an actually _visible_ visual bell.
821 ticks
= GetTickCount();
822 if (rvideo
&& !state
&& /* we're turning it off */
823 ticks
< rvbell_timeout
) { /* and it's not long since it was turned on */
824 in_vbell
= TRUE
; /* we may clear rvideo but we set in_vbell */
825 if (vbell_timeout
< rvbell_timeout
) /* don't move vbell end forward */
826 vbell_timeout
= rvbell_timeout
; /* vbell end is at least then */
827 } else if (!rvideo
&& state
) {
828 /* This is an ON, so we notice the time and save it. */
829 rvbell_timeout
= ticks
+ VBELL_TIMEOUT
;
832 seen_disp_event
= TRUE
;
836 case 6: /* DEC origin mode */
839 case 7: /* auto wrap */
842 case 8: /* auto key repeat */
845 case 10: /* set local edit mode */
846 term_editing
= state
;
847 ldisc_send(NULL
, 0); /* cause ldisc to notice changes */
849 case 25: /* enable/disable cursor */
850 compatibility2(OTHER
, VT220
);
852 seen_disp_event
= TRUE
;
854 case 47: /* alternate screen */
855 compatibility(OTHER
);
860 case 1000: /* xterm mouse 1 */
861 xterm_mouse
= state ?
1 : 0;
862 set_raw_mouse_mode(state
);
864 case 1002: /* xterm mouse 2 */
865 xterm_mouse
= state ?
2 : 0;
866 set_raw_mouse_mode(state
);
870 case 4: /* set insert mode */
871 compatibility(VT102
);
874 case 12: /* set echo mode */
875 term_echoing
= !state
;
876 ldisc_send(NULL
, 0); /* cause ldisc to notice changes */
878 case 20: /* Return sends ... */
879 cr_lf_return
= state
;
881 case 34: /* Make cursor BIG */
882 compatibility2(OTHER
, VT220
);
888 * Process an OSC sequence: set window title or icon name.
890 static void do_osc(void)
894 wordness
[(unsigned char) osc_string
[osc_strlen
]] = esc_args
[0];
896 osc_string
[osc_strlen
] = '\0';
897 switch (esc_args
[0]) {
900 set_icon(osc_string
);
901 if (esc_args
[0] == 1)
903 /* fall through: parameter 0 means set both */
906 set_title(osc_string
);
913 * Remove everything currently in `inbuf' and stick it up on the
914 * in-memory display. There's a big state machine in here to
915 * process escape sequences...
921 for (inbuf_reap
= 0; inbuf_reap
< inbuf_head
; inbuf_reap
++) {
922 c
= inbuf
[inbuf_reap
];
925 * Optionally log the session traffic to a file. Useful for
926 * debugging and possibly also useful for actual logging.
928 logtraffic((unsigned char) c
, LGTYP_DEBUG
);
930 /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even
931 * be able to display 8-bit characters, but I'll let that go 'cause
935 /* First see about all those translations. */
936 if (termstate
== TOPLEVEL
) {
941 /* I know; gotos are evil. This one is really bad!
942 * But before you try removing it follow the path of the
943 * sequence "0x5F 0xC0 0x71" with UTF and VTGraphics on.
946 if (cfg.no_vt_graph_with_utf8) break;
949 } else if ((c
& 0xe0) == 0xc0) {
950 utf_size
= utf_state
= 1;
951 utf_char
= (c
& 0x1f);
952 } else if ((c
& 0xf0) == 0xe0) {
953 utf_size
= utf_state
= 2;
954 utf_char
= (c
& 0x0f);
955 } else if ((c
& 0xf8) == 0xf0) {
956 utf_size
= utf_state
= 3;
957 utf_char
= (c
& 0x07);
958 } else if ((c
& 0xfc) == 0xf8) {
959 utf_size
= utf_state
= 4;
960 utf_char
= (c
& 0x03);
961 } else if ((c
& 0xfe) == 0xfc) {
962 utf_size
= utf_state
= 5;
963 utf_char
= (c
& 0x01);
974 if ((c
& 0xC0) != 0x80) {
975 inbuf_reap
--; /* This causes the faulting character */
976 c
= UCSERR
; /* to be logged twice - not really a */
977 utf_state
= 0; /* serious problem. */
980 utf_char
= (utf_char
<< 6) | (c
& 0x3f);
986 /* Is somebody trying to be evil! */
988 (c
< 0x800 && utf_size
>= 2) ||
989 (c
< 0x10000 && utf_size
>= 3) ||
990 (c
< 0x200000 && utf_size
>= 4) ||
991 (c
< 0x4000000 && utf_size
>= 5))
994 /* Unicode line separator and paragraph separator are CR-LF */
995 if (c
== 0x2028 || c
== 0x2029)
998 /* High controls are probably a Baaad idea too. */
1002 /* The UTF-16 surrogates are not nice either. */
1003 /* The standard give the option of decoding these:
1004 * I don't want to! */
1005 if (c
>= 0xD800 && c
< 0xE000)
1008 /* ISO 10646 characters now limited to UTF-16 range. */
1012 /* This is currently a TagPhobic application.. */
1013 if (c
>= 0xE0000 && c
<= 0xE007F)
1016 /* U+FEFF is best seen as a null. */
1019 /* But U+FFFE is an error. */
1020 if (c
== 0xFFFE || c
== 0xFFFF)
1023 /* Oops this is a 16bit implementation */
1029 switch (cset_attr
[cset
]) {
1031 * Linedraw characters are different from 'ESC ( B'
1032 * only for a small range. For ones outside that
1033 * range, make sure we use the same font as well as
1034 * the same encoding.
1037 if (unitab_ctrl
[c
] != 0xFF)
1040 c
= ((unsigned char) c
) | ATTR_LINEDRW
;
1044 /* If UK-ASCII, make the '#' a LineDraw Pound */
1046 c
= '}' | ATTR_LINEDRW
;
1049 /*FALLTHROUGH*/ case ATTR_ASCII
:
1050 if (unitab_ctrl
[c
] != 0xFF)
1053 c
= ((unsigned char) c
) | ATTR_ASCII
;
1059 /* How about C1 controls ? */
1060 if ((c
& -32) == 0x80 && termstate
< DO_CTRLS
&& !vt52_mode
&&
1061 has_compat(VT220
)) {
1062 termstate
= SEEN_ESC
;
1064 c
= '@' + (c
& 0x1F);
1067 /* Or the GL control. */
1068 if (c
== '\177' && termstate
< DO_CTRLS
&& has_compat(OTHER
)) {
1069 if (curs
.x
&& !wrapnext
)
1073 *cpos
= (' ' | curr_attr
| ATTR_ASCII
);
1075 /* Or normal C0 controls. */
1076 if ((c
& -32) == 0 && termstate
< DO_CTRLS
) {
1078 case '\005': /* terminal type query */
1079 /* Strictly speaking this is VT100 but a VT100 defaults to
1080 * no response. Other terminals respond at their option.
1082 * Don't put a CR in the default string as this tends to
1083 * upset some weird software.
1085 * An xterm returns "xterm" (5 characters)
1087 compatibility(ANSIMIN
);
1089 char abuf
[256], *s
, *d
;
1091 for (s
= cfg
.answerback
, d
= abuf
; *s
; s
++) {
1093 if (*s
>= 'a' && *s
<= 'z')
1094 *d
++ = (*s
- ('a' - 1));
1095 else if ((*s
>= '@' && *s
<= '_') ||
1096 *s
== '?' || (*s
& 0x80))
1101 } else if (*s
== '^') {
1106 lpage_send(CP_ACP
, abuf
, d
- abuf
);
1111 struct beeptime
*newbeep
;
1114 ticks
= GetTickCount();
1116 if (!beep_overloaded
) {
1117 newbeep
= smalloc(sizeof(struct beeptime
));
1118 newbeep
->ticks
= ticks
;
1119 newbeep
->next
= NULL
;
1123 beeptail
->next
= newbeep
;
1129 * Throw out any beeps that happened more than
1133 beephead
->ticks
< ticks
- cfg
.bellovl_t
) {
1134 struct beeptime
*tmp
= beephead
;
1135 beephead
= tmp
->next
;
1142 if (cfg
.bellovl
&& beep_overloaded
&&
1143 ticks
- lastbeep
>= cfg
.bellovl_s
) {
1145 * If we're currently overloaded and the
1146 * last beep was more than s seconds ago,
1147 * leave overload mode.
1149 beep_overloaded
= FALSE
;
1150 } else if (cfg
.bellovl
&& !beep_overloaded
&&
1151 nbeeps
>= cfg
.bellovl_n
) {
1153 * Now, if we have n or more beeps
1154 * remaining in the queue, go into overload
1157 beep_overloaded
= TRUE
;
1162 * Perform an actual beep if we're not overloaded.
1164 if (!cfg
.bellovl
|| !beep_overloaded
) {
1166 if (cfg
.beep
== BELL_VISUAL
) {
1168 vbell_timeout
= ticks
+ VBELL_TIMEOUT
;
1176 if (curs
.x
== 0 && (curs
.y
== 0 || wrap
== 0));
1177 else if (curs
.x
== 0 && curs
.y
> 0)
1178 curs
.x
= cols
- 1, curs
.y
--;
1184 seen_disp_event
= TRUE
;
1187 compatibility(VT100
);
1191 compatibility(VT100
);
1196 termstate
= VT52_ESC
;
1198 compatibility(ANSIMIN
);
1199 termstate
= SEEN_ESC
;
1207 seen_disp_event
= TRUE
;
1209 logtraffic((unsigned char) c
, LGTYP_ASCII
);
1212 if (has_compat(SCOANSI
)) {
1214 erase_lots(FALSE
, FALSE
, TRUE
);
1217 seen_disp_event
= 1;
1221 compatibility(VT100
);
1223 if (curs
.y
== marg_b
)
1224 scroll(marg_t
, marg_b
, 1, TRUE
);
1225 else if (curs
.y
< rows
- 1)
1231 seen_disp_event
= 1;
1233 logtraffic((unsigned char) c
, LGTYP_ASCII
);
1237 pos old_curs
= curs
;
1238 unsigned long *ldata
= lineptr(curs
.y
);
1242 } while (curs
.x
< cols
- 1 && !tabs
[curs
.x
]);
1244 if ((ldata
[cols
] & LATTR_MODE
) != LATTR_NORM
) {
1245 if (curs
.x
>= cols
/ 2)
1246 curs
.x
= cols
/ 2 - 1;
1253 check_selection(old_curs
, curs
);
1255 seen_disp_event
= TRUE
;
1259 switch (termstate
) {
1261 /* Only graphic characters get this far, ctrls are stripped above */
1262 if (wrapnext
&& wrap
) {
1263 cpos
[1] |= LATTR_WRAPPED
;
1264 if (curs
.y
== marg_b
)
1265 scroll(marg_t
, marg_b
, 1, TRUE
);
1266 else if (curs
.y
< rows
- 1)
1274 if (selstate
!= NO_SELECTION
) {
1275 pos cursplus
= curs
;
1277 check_selection(curs
, cursplus
);
1279 if ((c
& CSET_MASK
) == ATTR_ASCII
|| (c
& CSET_MASK
) == 0)
1280 logtraffic((unsigned char) c
, LGTYP_ASCII
);
1282 extern int wcwidth(wchar_t ucs
);
1287 width
= wcwidth((wchar_t) c
);
1290 if (curs
.x
+ 1 != cols
) {
1291 *cpos
++ = c
| ATTR_WIDE
| curr_attr
;
1292 *cpos
++ = UCSWIDE
| curr_attr
;
1297 *cpos
++ = c
| curr_attr
;
1304 if (curs
.x
== cols
) {
1308 if (wrap
&& vt52_mode
) {
1309 cpos
[1] |= LATTR_WRAPPED
;
1310 if (curs
.y
== marg_b
)
1311 scroll(marg_t
, marg_b
, 1, TRUE
);
1312 else if (curs
.y
< rows
- 1)
1319 seen_disp_event
= 1;
1324 * This state is virtually identical to SEEN_ESC, with the
1325 * exception that we have an OSC sequence in the pipeline,
1326 * and _if_ we see a backslash, we process it.
1330 termstate
= TOPLEVEL
;
1333 /* else fall through */
1335 if (c
>= ' ' && c
<= '/') {
1342 termstate
= TOPLEVEL
;
1343 switch (ANSI(c
, esc_query
)) {
1344 case '[': /* enter CSI mode */
1345 termstate
= SEEN_CSI
;
1347 esc_args
[0] = ARG_DEFAULT
;
1350 case ']': /* xterm escape sequences */
1351 /* Compatibility is nasty here, xterm, linux, decterm yuk! */
1352 compatibility(OTHER
);
1353 termstate
= SEEN_OSC
;
1356 case '7': /* save cursor */
1357 compatibility(VT100
);
1360 case '8': /* restore cursor */
1361 compatibility(VT100
);
1363 seen_disp_event
= TRUE
;
1366 compatibility(VT100
);
1367 app_keypad_keys
= TRUE
;
1370 compatibility(VT100
);
1371 app_keypad_keys
= FALSE
;
1373 case 'D': /* exactly equivalent to LF */
1374 compatibility(VT100
);
1375 if (curs
.y
== marg_b
)
1376 scroll(marg_t
, marg_b
, 1, TRUE
);
1377 else if (curs
.y
< rows
- 1)
1381 seen_disp_event
= TRUE
;
1383 case 'E': /* exactly equivalent to CR-LF */
1384 compatibility(VT100
);
1386 if (curs
.y
== marg_b
)
1387 scroll(marg_t
, marg_b
, 1, TRUE
);
1388 else if (curs
.y
< rows
- 1)
1392 seen_disp_event
= TRUE
;
1394 case 'M': /* reverse index - backwards LF */
1395 compatibility(VT100
);
1396 if (curs
.y
== marg_t
)
1397 scroll(marg_t
, marg_b
, -1, TRUE
);
1398 else if (curs
.y
> 0)
1402 seen_disp_event
= TRUE
;
1404 case 'Z': /* terminal type query */
1405 compatibility(VT100
);
1406 ldisc_send(id_string
, strlen(id_string
));
1408 case 'c': /* restore power-on settings */
1409 compatibility(VT100
);
1412 request_resize(80, rows
, 1);
1417 seen_disp_event
= TRUE
;
1419 case 'H': /* set a tab */
1420 compatibility(VT100
);
1421 tabs
[curs
.x
] = TRUE
;
1424 case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */
1425 compatibility(VT100
);
1427 unsigned long *ldata
;
1431 for (i
= 0; i
< rows
; i
++) {
1433 for (j
= 0; j
< cols
; j
++)
1434 ldata
[j
] = ATTR_DEFAULT
| 'E';
1438 seen_disp_event
= TRUE
;
1439 scrtop
.x
= scrtop
.y
= 0;
1442 check_selection(scrtop
, scrbot
);
1446 case ANSI('3', '#'):
1447 case ANSI('4', '#'):
1448 case ANSI('5', '#'):
1449 case ANSI('6', '#'):
1450 compatibility(VT100
);
1452 unsigned long nlattr
;
1453 unsigned long *ldata
;
1454 switch (ANSI(c
, esc_query
)) {
1455 case ANSI('3', '#'):
1458 case ANSI('4', '#'):
1461 case ANSI('5', '#'):
1462 nlattr
= LATTR_NORM
;
1464 default: /* spiritually case ANSI('6', '#'): */
1465 nlattr
= LATTR_WIDE
;
1468 ldata
= lineptr(curs
.y
);
1469 ldata
[cols
] &= ~LATTR_MODE
;
1470 ldata
[cols
] |= nlattr
;
1474 case ANSI('A', '('):
1475 compatibility(VT100
);
1476 cset_attr
[0] = ATTR_GBCHR
;
1478 case ANSI('B', '('):
1479 compatibility(VT100
);
1480 cset_attr
[0] = ATTR_ASCII
;
1482 case ANSI('0', '('):
1483 compatibility(VT100
);
1484 cset_attr
[0] = ATTR_LINEDRW
;
1487 case ANSI('A', ')'):
1488 compatibility(VT100
);
1489 cset_attr
[1] = ATTR_GBCHR
;
1491 case ANSI('B', ')'):
1492 compatibility(VT100
);
1493 cset_attr
[1] = ATTR_ASCII
;
1495 case ANSI('0', ')'):
1496 compatibility(VT100
);
1497 cset_attr
[1] = ATTR_LINEDRW
;
1500 case ANSI('8', '%'): /* Old Linux code */
1501 case ANSI('G', '%'):
1502 compatibility(OTHER
);
1505 case ANSI('@', '%'):
1506 compatibility(OTHER
);
1507 if (line_codepage
!= CP_UTF8
)
1513 termstate
= TOPLEVEL
; /* default */
1515 if (esc_nargs
<= ARGS_MAX
) {
1516 if (esc_args
[esc_nargs
- 1] == ARG_DEFAULT
)
1517 esc_args
[esc_nargs
- 1] = 0;
1518 esc_args
[esc_nargs
- 1] =
1519 10 * esc_args
[esc_nargs
- 1] + c
- '0';
1521 termstate
= SEEN_CSI
;
1522 } else if (c
== ';') {
1523 if (++esc_nargs
<= ARGS_MAX
)
1524 esc_args
[esc_nargs
- 1] = ARG_DEFAULT
;
1525 termstate
= SEEN_CSI
;
1526 } else if (c
< '@') {
1533 termstate
= SEEN_CSI
;
1535 switch (ANSI(c
, esc_query
)) {
1536 case 'A': /* move up N lines */
1537 move(curs
.x
, curs
.y
- def(esc_args
[0], 1), 1);
1538 seen_disp_event
= TRUE
;
1540 case 'e': /* move down N lines */
1541 compatibility(ANSI
);
1543 move(curs
.x
, curs
.y
+ def(esc_args
[0], 1), 1);
1544 seen_disp_event
= TRUE
;
1546 case 'a': /* move right N cols */
1547 compatibility(ANSI
);
1548 case ANSI('c', '>'): /* report xterm version */
1549 compatibility(OTHER
);
1550 /* this reports xterm version 136 so that VIM can
1551 use the drag messages from the mouse reporting */
1552 ldisc_send("\033[>0;136;0c", 11);
1555 move(curs
.x
+ def(esc_args
[0], 1), curs
.y
, 1);
1556 seen_disp_event
= TRUE
;
1558 case 'D': /* move left N cols */
1559 move(curs
.x
- def(esc_args
[0], 1), curs
.y
, 1);
1560 seen_disp_event
= TRUE
;
1562 case 'E': /* move down N lines and CR */
1563 compatibility(ANSI
);
1564 move(0, curs
.y
+ def(esc_args
[0], 1), 1);
1565 seen_disp_event
= TRUE
;
1567 case 'F': /* move up N lines and CR */
1568 compatibility(ANSI
);
1569 move(0, curs
.y
- def(esc_args
[0], 1), 1);
1570 seen_disp_event
= TRUE
;
1573 case '`': /* set horizontal posn */
1574 compatibility(ANSI
);
1575 move(def(esc_args
[0], 1) - 1, curs
.y
, 0);
1576 seen_disp_event
= TRUE
;
1578 case 'd': /* set vertical posn */
1579 compatibility(ANSI
);
1581 (dec_om ? marg_t
: 0) + def(esc_args
[0],
1584 seen_disp_event
= TRUE
;
1587 case 'f': /* set horz and vert posns at once */
1589 esc_args
[1] = ARG_DEFAULT
;
1590 move(def(esc_args
[1], 1) - 1,
1591 (dec_om ? marg_t
: 0) + def(esc_args
[0],
1594 seen_disp_event
= TRUE
;
1596 case 'J': /* erase screen or parts of it */
1598 unsigned int i
= def(esc_args
[0], 0) + 1;
1601 erase_lots(FALSE
, !!(i
& 2), !!(i
& 1));
1604 seen_disp_event
= TRUE
;
1606 case 'K': /* erase line or parts of it */
1608 unsigned int i
= def(esc_args
[0], 0) + 1;
1611 erase_lots(TRUE
, !!(i
& 2), !!(i
& 1));
1613 seen_disp_event
= TRUE
;
1615 case 'L': /* insert lines */
1616 compatibility(VT102
);
1617 if (curs
.y
<= marg_b
)
1618 scroll(curs
.y
, marg_b
, -def(esc_args
[0], 1),
1621 seen_disp_event
= TRUE
;
1623 case 'M': /* delete lines */
1624 compatibility(VT102
);
1625 if (curs
.y
<= marg_b
)
1626 scroll(curs
.y
, marg_b
, def(esc_args
[0], 1),
1629 seen_disp_event
= TRUE
;
1631 case '@': /* insert chars */
1632 /* XXX VTTEST says this is vt220, vt510 manual says vt102 */
1633 compatibility(VT102
);
1634 insch(def(esc_args
[0], 1));
1635 seen_disp_event
= TRUE
;
1637 case 'P': /* delete chars */
1638 compatibility(VT102
);
1639 insch(-def(esc_args
[0], 1));
1640 seen_disp_event
= TRUE
;
1642 case 'c': /* terminal type query */
1643 compatibility(VT100
);
1644 /* This is the response for a VT102 */
1645 ldisc_send(id_string
, strlen(id_string
));
1647 case 'n': /* cursor position query */
1648 if (esc_args
[0] == 6) {
1650 sprintf(buf
, "\033[%d;%dR", curs
.y
+ 1,
1652 ldisc_send(buf
, strlen(buf
));
1653 } else if (esc_args
[0] == 5) {
1654 ldisc_send("\033[0n", 4);
1657 case 'h': /* toggle modes to high */
1659 compatibility(VT100
);
1662 for (i
= 0; i
< esc_nargs
; i
++)
1663 toggle_mode(esc_args
[i
], esc_query
, TRUE
);
1666 case 'l': /* toggle modes to low */
1668 compatibility(VT100
);
1671 for (i
= 0; i
< esc_nargs
; i
++)
1672 toggle_mode(esc_args
[i
], esc_query
, FALSE
);
1675 case 'g': /* clear tabs */
1676 compatibility(VT100
);
1677 if (esc_nargs
== 1) {
1678 if (esc_args
[0] == 0) {
1679 tabs
[curs
.x
] = FALSE
;
1680 } else if (esc_args
[0] == 3) {
1682 for (i
= 0; i
< cols
; i
++)
1687 case 'r': /* set scroll margins */
1688 compatibility(VT100
);
1689 if (esc_nargs
<= 2) {
1691 top
= def(esc_args
[0], 1) - 1;
1692 bot
= (esc_nargs
<= 1
1694 0 ? rows
: def(esc_args
[1], rows
)) - 1;
1697 /* VTTEST Bug 9 - if region is less than 2 lines
1698 * don't change region.
1700 if (bot
- top
> 0) {
1705 * I used to think the cursor should be
1706 * placed at the top of the newly marginned
1707 * area. Apparently not: VMS TPU falls over
1710 * Well actually it should for Origin mode - RDB
1712 curs
.y
= (dec_om ? marg_t
: 0);
1714 seen_disp_event
= TRUE
;
1718 case 'm': /* set graphics rendition */
1721 * A VT100 without the AVO only had one attribute, either
1722 * underline or reverse video depending on the cursor type,
1723 * this was selected by CSI 7m.
1726 * This is sometimes DIM, eg on the GIGI and Linux
1728 * This is sometimes INVIS various ANSI.
1730 * This like 22 disables BOLD, DIM and INVIS
1732 * The ANSI colours appear on any terminal that has colour
1733 * (obviously) but the interaction between sgr0 and the
1734 * colours varies but is usually related to the background
1735 * colour erase item.
1736 * The interaction between colour attributes and the mono
1737 * ones is also very implementation dependent.
1739 * The 39 and 49 attributes are likely to be unimplemented.
1742 for (i
= 0; i
< esc_nargs
; i
++) {
1743 switch (def(esc_args
[i
], 0)) {
1744 case 0: /* restore defaults */
1745 curr_attr
= ATTR_DEFAULT
;
1747 case 1: /* enable bold */
1748 compatibility(VT100AVO
);
1749 curr_attr
|= ATTR_BOLD
;
1751 case 21: /* (enable double underline) */
1752 compatibility(OTHER
);
1753 case 4: /* enable underline */
1754 compatibility(VT100AVO
);
1755 curr_attr
|= ATTR_UNDER
;
1757 case 5: /* enable blink */
1758 compatibility(VT100AVO
);
1759 curr_attr
|= ATTR_BLINK
;
1761 case 7: /* enable reverse video */
1762 curr_attr
|= ATTR_REVERSE
;
1764 case 22: /* disable bold */
1765 compatibility2(OTHER
, VT220
);
1766 curr_attr
&= ~ATTR_BOLD
;
1768 case 24: /* disable underline */
1769 compatibility2(OTHER
, VT220
);
1770 curr_attr
&= ~ATTR_UNDER
;
1772 case 25: /* disable blink */
1773 compatibility2(OTHER
, VT220
);
1774 curr_attr
&= ~ATTR_BLINK
;
1776 case 27: /* disable reverse video */
1777 compatibility2(OTHER
, VT220
);
1778 curr_attr
&= ~ATTR_REVERSE
;
1789 curr_attr
&= ~ATTR_FGMASK
;
1791 (esc_args
[i
] - 30) << ATTR_FGSHIFT
;
1793 case 39: /* default-foreground */
1794 curr_attr
&= ~ATTR_FGMASK
;
1795 curr_attr
|= ATTR_DEFFG
;
1806 curr_attr
&= ~ATTR_BGMASK
;
1808 (esc_args
[i
] - 40) << ATTR_BGSHIFT
;
1810 case 49: /* default-background */
1811 curr_attr
&= ~ATTR_BGMASK
;
1812 curr_attr
|= ATTR_DEFBG
;
1820 (ATTR_FGMASK
| ATTR_BGMASK
|
1824 case 's': /* save cursor */
1827 case 'u': /* restore cursor */
1829 seen_disp_event
= TRUE
;
1831 case 't': /* set page size - ie window height */
1833 * VT340/VT420 sequence DECSLPP, DEC only allows values
1834 * 24/25/36/48/72/144 other emulators (eg dtterm) use
1835 * illegal values (eg first arg 1..9) for window changing
1838 compatibility(VT340TEXT
);
1840 && (esc_args
[0] < 1 || esc_args
[0] >= 24)) {
1841 request_resize(cols
, def(esc_args
[0], 24), 0);
1846 compatibility(SCOANSI
);
1847 scroll(marg_t
, marg_b
, def(esc_args
[0], 1), TRUE
);
1850 seen_disp_event
= TRUE
;
1853 compatibility(SCOANSI
);
1854 scroll(marg_t
, marg_b
, -def(esc_args
[0], 1), TRUE
);
1857 seen_disp_event
= TRUE
;
1859 case ANSI('|', '*'):
1860 /* VT420 sequence DECSNLS
1861 * Set number of lines on screen
1862 * VT420 uses VGA like hardware and can support any size in
1863 * reasonable range (24..49 AIUI) with no default specified.
1865 compatibility(VT420
);
1866 if (esc_nargs
== 1 && esc_args
[0] > 0) {
1867 request_resize(cols
,
1868 def(esc_args
[0], cfg
.height
),
1873 case ANSI('|', '$'):
1874 /* VT340/VT420 sequence DECSCPP
1875 * Set number of columns per page
1876 * Docs imply range is only 80 or 132, but I'll allow any.
1878 compatibility(VT340TEXT
);
1879 if (esc_nargs
<= 1) {
1880 request_resize(def(esc_args
[0], cfg
.width
),
1885 case 'X': /* write N spaces w/o moving cursor */
1886 /* XXX VTTEST says this is vt220, vt510 manual says vt100 */
1887 compatibility(ANSIMIN
);
1889 int n
= def(esc_args
[0], 1);
1891 unsigned long *p
= cpos
;
1892 if (n
> cols
- curs
.x
)
1896 check_selection(curs
, cursplus
);
1899 seen_disp_event
= TRUE
;
1902 case 'x': /* report terminal characteristics */
1903 compatibility(VT100
);
1906 int i
= def(esc_args
[0], 0);
1907 if (i
== 0 || i
== 1) {
1908 strcpy(buf
, "\033[2;1;1;112;112;1;0x");
1910 ldisc_send(buf
, 20);
1914 case ANSI('L', '='):
1915 compatibility(OTHER
);
1916 use_bce
= (esc_args
[0] <= 0);
1917 erase_char
= ERASE_CHAR
;
1922 (ATTR_FGMASK
| ATTR_BGMASK
)));
1924 case ANSI('E', '='):
1925 compatibility(OTHER
);
1926 blink_is_real
= (esc_args
[0] >= 1);
1928 case ANSI('p', '"'):
1929 /* Allow the host to make this emulator a 'perfect' VT102.
1930 * This first appeared in the VT220, but we do need to get
1931 * back to PuTTY mode so I won't check it.
1933 * The arg in 40..42,50 are a PuTTY extension.
1934 * The 2nd arg, 8bit vs 7bit is not checked.
1936 * Setting VT102 mode should also change the Fkeys to
1937 * generate PF* codes as a real VT102 has no Fkeys.
1938 * The VT220 does this, F11..F13 become ESC,BS,LF other Fkeys
1941 * Note ESC c will NOT change this!
1944 switch (esc_args
[0]) {
1946 compatibility_level
&= ~TM_VTXXX
;
1947 compatibility_level
|= TM_VT102
;
1950 compatibility_level
&= ~TM_VTXXX
;
1951 compatibility_level
|= TM_VT220
;
1955 if (esc_args
[0] > 60 && esc_args
[0] < 70)
1956 compatibility_level
|= TM_VTXXX
;
1960 compatibility_level
&= TM_VTXXX
;
1963 compatibility_level
= TM_PUTTY
;
1966 compatibility_level
= TM_SCOANSI
;
1970 compatibility_level
= TM_PUTTY
;
1976 /* Change the response to CSI c */
1977 if (esc_args
[0] == 50) {
1980 strcpy(id_string
, "\033[?");
1981 for (i
= 1; i
< esc_nargs
; i
++) {
1983 strcat(id_string
, ";");
1984 sprintf(lbuf
, "%d", esc_args
[i
]);
1985 strcat(id_string
, lbuf
);
1987 strcat(id_string
, "c");
1990 /* Is this a good idea ?
1991 * Well we should do a soft reset at this point ...
1993 if (!has_compat(VT420
) && has_compat(VT100
)) {
1995 request_resize(132, 24, 1);
1997 request_resize(80, 24, 1);
2006 case 'P': /* Linux palette sequence */
2007 termstate
= SEEN_OSC_P
;
2010 case 'R': /* Linux palette reset */
2013 termstate
= TOPLEVEL
;
2015 case 'W': /* word-set */
2016 termstate
= SEEN_OSC_W
;
2029 esc_args
[0] = 10 * esc_args
[0] + c
- '0';
2033 * Grotty hack to support xterm and DECterm title
2034 * sequences concurrently.
2036 if (esc_args
[0] == 2) {
2040 /* else fall through */
2042 termstate
= OSC_STRING
;
2048 * This OSC stuff is EVIL. It takes just one character to get into
2049 * sysline mode and it's not initially obvious how to get out.
2050 * So I've added CR and LF as string aborts.
2051 * This shouldn't effect compatibility as I believe embedded
2052 * control characters are supposed to be interpreted (maybe?)
2053 * and they don't display anything useful anyway.
2057 if (c
== '\n' || c
== '\r') {
2058 termstate
= TOPLEVEL
;
2059 } else if (c
== 0234 || c
== '\007') {
2061 * These characters terminate the string; ST and BEL
2062 * terminate the sequence and trigger instant
2063 * processing of it, whereas ESC goes back to SEEN_ESC
2064 * mode unless it is followed by \, in which case it is
2065 * synonymous with ST in the first place.
2068 termstate
= TOPLEVEL
;
2069 } else if (c
== '\033')
2070 termstate
= OSC_MAYBE_ST
;
2071 else if (osc_strlen
< OSC_STR_MAX
)
2072 osc_string
[osc_strlen
++] = c
;
2076 int max
= (osc_strlen
== 0 ?
21 : 16);
2078 if (c
>= '0' && c
<= '9')
2080 else if (c
>= 'A' && c
<= 'A' + max
- 10)
2082 else if (c
>= 'a' && c
<= 'a' + max
- 10)
2085 termstate
= TOPLEVEL
;
2088 osc_string
[osc_strlen
++] = val
;
2089 if (osc_strlen
>= 7) {
2090 palette_set(osc_string
[0],
2091 osc_string
[1] * 16 + osc_string
[2],
2092 osc_string
[3] * 16 + osc_string
[4],
2093 osc_string
[5] * 16 + osc_string
[6]);
2095 termstate
= TOPLEVEL
;
2111 esc_args
[0] = 10 * esc_args
[0] + c
- '0';
2114 termstate
= OSC_STRING
;
2119 termstate
= TOPLEVEL
;
2120 seen_disp_event
= TRUE
;
2123 move(curs
.x
, curs
.y
- 1, 1);
2126 move(curs
.x
, curs
.y
+ 1, 1);
2129 move(curs
.x
+ 1, curs
.y
, 1);
2132 move(curs
.x
- 1, curs
.y
, 1);
2135 * From the VT100 Manual
2136 * NOTE: The special graphics characters in the VT100
2137 * are different from those in the VT52
2139 * From VT102 manual:
2140 * 137 _ Blank - Same
2141 * 140 ` Reserved - Humm.
2142 * 141 a Solid rectangle - Similar
2143 * 142 b 1/ - Top half of fraction for the
2144 * 143 c 3/ - subscript numbers below.
2147 * 146 f Degrees - Same
2148 * 147 g Plus or minus - Same
2150 * 151 i Ellipsis (dots)
2153 * 154 l Bar at scan 0
2154 * 155 m Bar at scan 1
2155 * 156 n Bar at scan 2
2156 * 157 o Bar at scan 3 - Similar
2157 * 160 p Bar at scan 4 - Similar
2158 * 161 q Bar at scan 5 - Similar
2159 * 162 r Bar at scan 6 - Same
2160 * 163 s Bar at scan 7 - Similar
2175 cset_attr
[cset
= 0] = ATTR_LINEDRW
;
2178 cset_attr
[cset
= 0] = ATTR_ASCII
;
2185 scroll(0, rows
- 1, -1, TRUE
);
2186 else if (curs
.y
> 0)
2192 erase_lots(FALSE
, FALSE
, TRUE
);
2196 erase_lots(TRUE
, FALSE
, TRUE
);
2200 /* XXX Print cursor line */
2203 /* XXX Start controller mode */
2206 /* XXX Stop controller mode */
2210 termstate
= VT52_Y1
;
2213 ldisc_send("\033/Z", 3);
2216 app_keypad_keys
= TRUE
;
2219 app_keypad_keys
= FALSE
;
2222 /* XXX This should switch to VT100 mode not current or default
2223 * VT mode. But this will only have effect in a VT220+
2227 blink_is_real
= cfg
.blinktext
;
2231 /* XXX Enter auto print mode */
2234 /* XXX Exit auto print mode */
2237 /* XXX Print screen */
2243 /* compatibility(ATARI) */
2245 erase_lots(FALSE
, FALSE
, TRUE
);
2249 /* compatibility(ATARI) */
2250 if (curs
.y
<= marg_b
)
2251 scroll(curs
.y
, marg_b
, -1, FALSE
);
2254 /* compatibility(ATARI) */
2255 if (curs
.y
<= marg_b
)
2256 scroll(curs
.y
, marg_b
, 1, TRUE
);
2259 /* compatibility(ATARI) */
2260 termstate
= VT52_FG
;
2263 /* compatibility(ATARI) */
2264 termstate
= VT52_BG
;
2267 /* compatibility(ATARI) */
2268 erase_lots(FALSE
, TRUE
, FALSE
);
2272 /* compatibility(ATARI) */
2276 /* compatibility(ATARI) */
2279 /* case 'j': Save cursor position - broken on ST */
2280 /* case 'k': Restore cursor position */
2282 /* compatibility(ATARI) */
2283 erase_lots(TRUE
, TRUE
, TRUE
);
2289 /* compatibility(ATARI) */
2290 erase_lots(TRUE
, TRUE
, FALSE
);
2293 /* compatibility(ATARI) */
2294 curr_attr
|= ATTR_REVERSE
;
2297 /* compatibility(ATARI) */
2298 curr_attr
&= ~ATTR_REVERSE
;
2300 case 'v': /* wrap Autowrap on - Wyse style */
2301 /* compatibility(ATARI) */
2304 case 'w': /* Autowrap off */
2305 /* compatibility(ATARI) */
2310 /* compatibility(OTHER) */
2312 curr_attr
= ATTR_DEFAULT
;
2316 (ATTR_FGMASK
| ATTR_BGMASK
|
2320 /* compatibility(VI50) */
2321 curr_attr
|= ATTR_UNDER
;
2324 /* compatibility(VI50) */
2325 curr_attr
&= ~ATTR_UNDER
;
2328 /* compatibility(VI50) */
2330 curr_attr
|= ATTR_BOLD
;
2333 /* compatibility(VI50) */
2335 curr_attr
&= ~ATTR_BOLD
;
2341 termstate
= VT52_Y2
;
2342 move(curs
.x
, c
- ' ', 0);
2345 termstate
= TOPLEVEL
;
2346 move(c
- ' ', curs
.y
, 0);
2351 termstate
= TOPLEVEL
;
2352 curr_attr
&= ~ATTR_FGMASK
;
2353 curr_attr
&= ~ATTR_BOLD
;
2354 curr_attr
|= (c
& 0x7) << ATTR_FGSHIFT
;
2355 if ((c
& 0x8) || vt52_bold
)
2356 curr_attr
|= ATTR_BOLD
;
2361 (ATTR_FGMASK
| ATTR_BGMASK
|
2365 termstate
= TOPLEVEL
;
2366 curr_attr
&= ~ATTR_BGMASK
;
2367 curr_attr
&= ~ATTR_BLINK
;
2368 curr_attr
|= (c
& 0x7) << ATTR_BGSHIFT
;
2370 /* Note: bold background */
2372 curr_attr
|= ATTR_BLINK
;
2377 (ATTR_FGMASK
| ATTR_BGMASK
|
2381 default: break; /* placate gcc warning about enum use */
2383 if (selstate
!= NO_SELECTION
) {
2384 pos cursplus
= curs
;
2386 check_selection(curs
, cursplus
);
2394 * Compare two lines to determine whether they are sufficiently
2395 * alike to scroll-optimise one to the other. Return the degree of
2398 static int linecmp(unsigned long *a
, unsigned long *b
)
2402 for (i
= n
= 0; i
< cols
; i
++)
2403 n
+= (*a
++ == *b
++);
2409 * Given a context, update the window. Out of paranoia, we don't
2410 * allow WM_PAINT responses to do scrolling optimisations.
2412 static void do_paint(Context ctx
, int may_optimise
)
2414 int i
, j
, our_curs_y
;
2415 unsigned long rv
, cursor
;
2418 long cursor_background
= ERASE_CHAR
;
2422 * Check the visual bell state.
2425 ticks
= GetTickCount();
2426 if (ticks
- vbell_timeout
>= 0)
2430 rv
= (!rvideo
^ !in_vbell ? ATTR_REVERSE
: 0);
2433 * screen array, disptop, scrtop,
2435 * cfg.blinkpc, blink_is_real, tblinker,
2436 * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext
2439 /* Has the cursor position or type changed ? */
2442 if (blinker
|| !cfg
.blink_cur
)
2443 cursor
= TATTR_ACTCURS
;
2447 cursor
= TATTR_PASCURS
;
2449 cursor
|= TATTR_RIGHTCURS
;
2452 our_curs_y
= curs
.y
- disptop
;
2454 if (dispcurs
&& (curstype
!= cursor
||
2456 disptext
+ our_curs_y
* (cols
+ 1) + curs
.x
)) {
2457 if (dispcurs
> disptext
&& (dispcurs
[-1] & ATTR_WIDE
))
2458 dispcurs
[-1] |= ATTR_INVALID
;
2459 if ((*dispcurs
& ATTR_WIDE
))
2460 dispcurs
[1] |= ATTR_INVALID
;
2461 *dispcurs
|= ATTR_INVALID
;
2466 /* The normal screen data */
2467 for (i
= 0; i
< rows
; i
++) {
2468 unsigned long *ldata
;
2470 int idx
, dirty_line
, dirty_run
;
2471 unsigned long attr
= 0;
2472 int updated_line
= 0;
2475 int last_run_dirty
= 0;
2477 scrpos
.y
= i
+ disptop
;
2478 ldata
= lineptr(scrpos
.y
);
2479 lattr
= (ldata
[cols
] & LATTR_MODE
);
2481 idx
= i
* (cols
+ 1);
2482 dirty_run
= dirty_line
= (ldata
[cols
] != disptext
[idx
+ cols
]);
2483 disptext
[idx
+ cols
] = ldata
[cols
];
2485 for (j
= 0; j
< cols
; j
++, idx
++) {
2486 unsigned long tattr
, tchar
;
2487 unsigned long *d
= ldata
+ j
;
2491 tchar
= (*d
& (CHAR_MASK
| CSET_MASK
));
2492 tattr
= (*d
& (ATTR_MASK
^ CSET_MASK
));
2493 switch (tchar
& CSET_MASK
) {
2495 tchar
= unitab_line
[tchar
& 0xFF];
2498 tchar
= unitab_xterm
[tchar
& 0xFF];
2501 tattr
|= (tchar
& CSET_MASK
);
2504 /* Video reversing things */
2506 ^ (posle(selstart
, scrpos
) &&
2507 poslt(scrpos
, selend
) ? ATTR_REVERSE
: 0));
2509 /* 'Real' blinking ? */
2510 if (blink_is_real
&& (tattr
& ATTR_BLINK
)) {
2511 if (has_focus
&& tblinker
) {
2513 tattr
&= ~CSET_MASK
;
2516 tattr
&= ~ATTR_BLINK
;
2519 /* Cursor here ? Save the 'background' */
2520 if (i
== our_curs_y
&& j
== curs
.x
) {
2521 cursor_background
= tattr
| tchar
;
2522 dispcurs
= disptext
+ idx
;
2525 if ((disptext
[idx
] ^ tattr
) & ATTR_WIDE
)
2528 break_run
= (tattr
!= attr
|| j
- start
>= sizeof(ch
));
2530 /* Special hack for VT100 Linedraw glyphs */
2531 if ((attr
& CSET_MASK
) == 0x2300 && tchar
>= 0xBA
2532 && tchar
<= 0xBD) break_run
= TRUE
;
2534 if (!dbcs_screenfont
&& !dirty_line
) {
2535 if ((tchar
| tattr
) == disptext
[idx
])
2537 else if (!dirty_run
&& ccount
== 1)
2542 if ((dirty_run
|| last_run_dirty
) && ccount
> 0) {
2543 do_text(ctx
, start
, i
, ch
, ccount
, attr
, lattr
);
2549 if (dbcs_screenfont
)
2550 last_run_dirty
= dirty_run
;
2551 dirty_run
= dirty_line
;
2554 if ((tchar
| tattr
) != disptext
[idx
])
2556 ch
[ccount
++] = (char) tchar
;
2557 disptext
[idx
] = tchar
| tattr
;
2559 /* If it's a wide char step along to the next one. */
2560 if (tattr
& ATTR_WIDE
) {
2564 /* Cursor is here ? Ouch! */
2565 if (i
== our_curs_y
&& j
== curs
.x
) {
2566 cursor_background
= *d
;
2567 dispcurs
= disptext
+ idx
;
2569 if (disptext
[idx
] != *d
)
2575 if (dirty_run
&& ccount
> 0) {
2576 do_text(ctx
, start
, i
, ch
, ccount
, attr
, lattr
);
2580 /* Cursor on this line ? (and changed) */
2581 if (i
== our_curs_y
&& (curstype
!= cursor
|| updated_line
)) {
2582 ch
[0] = (char) (cursor_background
& CHAR_MASK
);
2583 attr
= (cursor_background
& ATTR_MASK
) | cursor
;
2584 do_cursor(ctx
, curs
.x
, i
, ch
, 1, attr
, lattr
);
2591 * Flick the switch that says if blinking things should be shown or hidden.
2594 void term_blink(int flg
)
2596 static long last_blink
= 0;
2597 static long last_tblink
= 0;
2598 long now
, blink_diff
;
2600 now
= GetTickCount();
2601 blink_diff
= now
- last_tblink
;
2603 /* Make sure the text blinks no more than 2Hz */
2604 if (blink_diff
< 0 || blink_diff
> 450) {
2606 tblinker
= !tblinker
;
2615 blink_diff
= now
- last_blink
;
2617 /* Make sure the cursor blinks no faster than GetCaretBlinkTime() */
2618 if (blink_diff
>= 0 && blink_diff
< (long) GetCaretBlinkTime())
2626 * Invalidate the whole screen so it will be repainted in full.
2628 void term_invalidate(void)
2632 for (i
= 0; i
< rows
* (cols
+ 1); i
++)
2633 disptext
[i
] = ATTR_INVALID
;
2637 * Paint the window in response to a WM_PAINT message.
2639 void term_paint(Context ctx
, int l
, int t
, int r
, int b
)
2641 int i
, j
, left
, top
, right
, bottom
;
2643 left
= l
/ font_width
;
2644 right
= (r
- 1) / font_width
;
2645 top
= t
/ font_height
;
2646 bottom
= (b
- 1) / font_height
;
2647 for (i
= top
; i
<= bottom
&& i
< rows
; i
++) {
2648 if ((disptext
[i
* (cols
+ 1) + cols
] & LATTR_MODE
) == LATTR_NORM
)
2649 for (j
= left
; j
<= right
&& j
< cols
; j
++)
2650 disptext
[i
* (cols
+ 1) + j
] = ATTR_INVALID
;
2652 for (j
= left
/ 2; j
<= right
/ 2 + 1 && j
< cols
; j
++)
2653 disptext
[i
* (cols
+ 1) + j
] = ATTR_INVALID
;
2656 /* This should happen soon enough, also for some reason it sometimes
2657 * fails to actually do anything when re-sizing ... painting the wrong
2659 do_paint (ctx, FALSE);
2664 * Attempt to scroll the scrollback. The second parameter gives the
2665 * position we want to scroll to; the first is +1 to denote that
2666 * this position is relative to the beginning of the scrollback, -1
2667 * to denote it is relative to the end, and 0 to denote that it is
2668 * relative to the current position.
2670 void term_scroll(int rel
, int where
)
2672 int sbtop
= -count234(scrollback
);
2674 disptop
= (rel
< 0 ?
0 : rel
> 0 ? sbtop
: disptop
) + where
;
2675 if (disptop
< sbtop
)
2683 static void clipme(pos top
, pos bottom
)
2686 wchar_t *wbptr
; /* where next char goes within workbuf */
2687 int wblen
= 0; /* workbuf len */
2688 int buflen
; /* amount of memory allocated to workbuf */
2690 buflen
= 5120; /* Default size */
2691 workbuf
= smalloc(buflen
* sizeof(wchar_t));
2692 wbptr
= workbuf
; /* start filling here */
2694 while (poslt(top
, bottom
)) {
2696 unsigned long *ldata
= lineptr(top
.y
);
2702 if (!(ldata
[cols
] & LATTR_WRAPPED
)) {
2703 while (((ldata
[nlpos
.x
- 1] & 0xFF) == 0x20 ||
2704 (DIRECT_CHAR(ldata
[nlpos
.x
- 1]) &&
2705 (ldata
[nlpos
.x
- 1] & CHAR_MASK
) == 0x20))
2706 && poslt(top
, nlpos
))
2708 if (poslt(nlpos
, bottom
))
2711 while (poslt(top
, bottom
) && poslt(top
, nlpos
)) {
2714 sprintf(cbuf
, "<U+%04x>", (ldata
[top
.x
] & 0xFFFF));
2716 wchar_t cbuf
[16], *p
;
2717 int uc
= (ldata
[top
.x
] & 0xFFFF);
2720 if (uc
== UCSWIDE
) {
2725 switch (uc
& CSET_MASK
) {
2728 uc
= unitab_xterm
[uc
& 0xFF];
2732 uc
= unitab_line
[uc
& 0xFF];
2735 switch (uc
& CSET_MASK
) {
2737 uc
= unitab_font
[uc
& 0xFF];
2740 uc
= unitab_oemcp
[uc
& 0xFF];
2744 set
= (uc
& CSET_MASK
);
2745 c
= (uc
& CHAR_MASK
);
2749 if (DIRECT_FONT(uc
)) {
2750 if (c
>= ' ' && c
!= 0x7F) {
2751 unsigned char buf
[4];
2754 if (IsDBCSLeadByteEx(font_codepage
, (BYTE
) c
)) {
2756 buf
[1] = (unsigned char) ldata
[top
.x
+ 1];
2757 rv
= MultiByteToWideChar(font_codepage
,
2758 0, buf
, 2, wbuf
, 4);
2762 rv
= MultiByteToWideChar(font_codepage
,
2763 0, buf
, 1, wbuf
, 4);
2767 memcpy(cbuf
, wbuf
, rv
* sizeof(wchar_t));
2774 for (p
= cbuf
; *p
; p
++) {
2775 /* Enough overhead for trailing NL and nul */
2776 if (wblen
>= buflen
- 16) {
2779 sizeof(wchar_t) * (buflen
+= 100));
2780 wbptr
= workbuf
+ wblen
;
2789 for (i
= 0; i
< sel_nl_sz
; i
++) {
2791 *wbptr
++ = sel_nl
[i
];
2799 write_clip(workbuf
, wblen
, FALSE
); /* transfer to clipboard */
2800 if (buflen
> 0) /* indicates we allocated this buffer */
2804 void term_copyall(void)
2807 top
.y
= -count234(scrollback
);
2813 * The wordness array is mainly for deciding the disposition of the US-ASCII
2816 static int wordtype(int uc
)
2819 int start
, end
, ctype
;
2820 } *wptr
, ucs_words
[] = {
2826 0x037e, 0x037e, 1}, /* Greek question mark */
2828 0x0387, 0x0387, 1}, /* Greek ano teleia */
2830 0x055a, 0x055f, 1}, /* Armenian punctuation */
2832 0x0589, 0x0589, 1}, /* Armenian full stop */
2834 0x0700, 0x070d, 1}, /* Syriac punctuation */
2836 0x104a, 0x104f, 1}, /* Myanmar punctuation */
2838 0x10fb, 0x10fb, 1}, /* Georgian punctuation */
2840 0x1361, 0x1368, 1}, /* Ethiopic punctuation */
2842 0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */
2844 0x17d4, 0x17dc, 1}, /* Khmer punctuation */
2846 0x1800, 0x180a, 1}, /* Mongolian punctuation */
2848 0x2000, 0x200a, 0}, /* Various spaces */
2850 0x2070, 0x207f, 2}, /* superscript */
2852 0x2080, 0x208f, 2}, /* subscript */
2854 0x200b, 0x27ff, 1}, /* punctuation and symbols */
2856 0x3000, 0x3000, 0}, /* ideographic space */
2858 0x3001, 0x3020, 1}, /* ideographic punctuation */
2860 0x303f, 0x309f, 3}, /* Hiragana */
2862 0x30a0, 0x30ff, 3}, /* Katakana */
2864 0x3300, 0x9fff, 3}, /* CJK Ideographs */
2866 0xac00, 0xd7a3, 3}, /* Hangul Syllables */
2868 0xf900, 0xfaff, 3}, /* CJK Ideographs */
2870 0xfe30, 0xfe6b, 1}, /* punctuation forms */
2872 0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */
2874 0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */
2876 0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */
2878 0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */
2880 0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */
2885 uc
&= (CSET_MASK
| CHAR_MASK
);
2887 switch (uc
& CSET_MASK
) {
2889 uc
= unitab_xterm
[uc
& 0xFF];
2892 uc
= unitab_line
[uc
& 0xFF];
2895 switch (uc
& CSET_MASK
) {
2897 uc
= unitab_font
[uc
& 0xFF];
2900 uc
= unitab_oemcp
[uc
& 0xFF];
2905 return wordness
[uc
];
2907 for (wptr
= ucs_words
; wptr
->start
; wptr
++) {
2908 if (uc
>= wptr
->start
&& uc
<= wptr
->end
)
2916 * Spread the selection outwards according to the selection mode.
2918 static pos
sel_spread_half(pos p
, int dir
)
2920 unsigned long *ldata
;
2923 ldata
= lineptr(p
.y
);
2928 * In this mode, every character is a separate unit, except
2929 * for runs of spaces at the end of a non-wrapping line.
2931 if (!(ldata
[cols
] & LATTR_WRAPPED
)) {
2932 unsigned long *q
= ldata
+ cols
;
2933 while (q
> ldata
&& (q
[-1] & CHAR_MASK
) == 0x20)
2935 if (q
== ldata
+ cols
)
2937 if (p
.x
>= q
- ldata
)
2938 p
.x
= (dir
== -1 ? q
- ldata
: cols
- 1);
2943 * In this mode, the units are maximal runs of characters
2944 * whose `wordness' has the same value.
2946 wvalue
= wordtype(ldata
[p
.x
]);
2948 while (p
.x
< cols
&& wordtype(ldata
[p
.x
+ 1]) == wvalue
)
2951 while (p
.x
> 0 && wordtype(ldata
[p
.x
- 1]) == wvalue
)
2957 * In this mode, every line is a unit.
2959 p
.x
= (dir
== -1 ?
0 : cols
- 1);
2965 static void sel_spread(void)
2967 selstart
= sel_spread_half(selstart
, -1);
2969 selend
= sel_spread_half(selend
, +1);
2973 void term_do_paste(void)
2978 get_clip(&data
, &len
);
2983 sfree(paste_buffer
);
2984 paste_pos
= paste_hold
= paste_len
= 0;
2985 paste_buffer
= smalloc(len
* sizeof(wchar_t));
2988 while (p
< data
+ len
) {
2989 while (p
< data
+ len
&&
2990 !(p
<= data
+ len
- sel_nl_sz
&&
2991 !memcmp(p
, sel_nl
, sizeof(sel_nl
))))
2996 for (i
= 0; i
< p
- q
; i
++) {
2997 paste_buffer
[paste_len
++] = q
[i
];
3001 if (p
<= data
+ len
- sel_nl_sz
&&
3002 !memcmp(p
, sel_nl
, sizeof(sel_nl
))) {
3003 paste_buffer
[paste_len
++] = '\r';
3009 /* Assume a small paste will be OK in one go. */
3010 if (paste_len
< 256) {
3011 luni_send(paste_buffer
, paste_len
);
3013 sfree(paste_buffer
);
3015 paste_pos
= paste_hold
= paste_len
= 0;
3018 get_clip(NULL
, NULL
);
3021 void term_mouse(Mouse_Button b
, Mouse_Action a
, int x
, int y
,
3022 int shift
, int ctrl
)
3025 unsigned long *ldata
;
3041 selpoint
.y
= y
+ disptop
;
3043 ldata
= lineptr(selpoint
.y
);
3044 if ((ldata
[cols
] & LATTR_MODE
) != LATTR_NORM
)
3048 int encstate
= 0, r
, c
;
3050 static int is_down
= 0;
3054 encstate
= 0x20; /* left button down */
3065 case MBT_WHEEL_DOWN
:
3068 default: break; /* placate gcc warning about enum use */
3072 if (xterm_mouse
== 1)
3085 default: break; /* placate gcc warning about enum use */
3094 sprintf(abuf
, "\033[M%c%c%c", encstate
, c
, r
);
3095 ldisc_send(abuf
, 6);
3099 b
= translate_button(b
);
3101 if (b
== MBT_SELECT
&& a
== MA_CLICK
) {
3103 selstate
= ABOUT_TO
;
3104 selanchor
= selpoint
;
3106 } else if (b
== MBT_SELECT
&& (a
== MA_2CLK
|| a
== MA_3CLK
)) {
3108 selmode
= (a
== MA_2CLK ? SM_WORD
: SM_LINE
);
3109 selstate
= DRAGGING
;
3110 selstart
= selanchor
= selpoint
;
3114 } else if ((b
== MBT_SELECT
&& a
== MA_DRAG
) ||
3115 (b
== MBT_EXTEND
&& a
!= MA_RELEASE
)) {
3116 if (selstate
== ABOUT_TO
&& poseq(selanchor
, selpoint
))
3118 if (b
== MBT_EXTEND
&& a
!= MA_DRAG
&& selstate
== SELECTED
) {
3119 if (posdiff(selpoint
, selstart
) <
3120 posdiff(selend
, selstart
) / 2) {
3124 selanchor
= selstart
;
3126 selstate
= DRAGGING
;
3128 if (selstate
!= ABOUT_TO
&& selstate
!= DRAGGING
)
3129 selanchor
= selpoint
;
3130 selstate
= DRAGGING
;
3131 if (poslt(selpoint
, selanchor
)) {
3132 selstart
= selpoint
;
3136 selstart
= selanchor
;
3141 } else if ((b
== MBT_SELECT
|| b
== MBT_EXTEND
) && a
== MA_RELEASE
) {
3142 if (selstate
== DRAGGING
) {
3144 * We've completed a selection. We now transfer the
3145 * data to the clipboard.
3147 clipme(selstart
, selend
);
3148 selstate
= SELECTED
;
3150 selstate
= NO_SELECTION
;
3151 } else if (b
== MBT_PASTE
3152 && (a
== MA_CLICK
|| a
== MA_2CLK
|| a
== MA_3CLK
)) {
3163 sfree(paste_buffer
);
3170 static long last_paste
= 0;
3171 long now
, paste_diff
;
3176 /* Don't wait forever to paste */
3178 now
= GetTickCount();
3179 paste_diff
= now
- last_paste
;
3180 if (paste_diff
>= 0 && paste_diff
< 450)
3185 while (paste_pos
< paste_len
) {
3187 while (n
+ paste_pos
< paste_len
) {
3188 if (paste_buffer
[paste_pos
+ n
++] == '\r')
3191 luni_send(paste_buffer
+ paste_pos
, n
);
3194 if (paste_pos
< paste_len
) {
3199 sfree(paste_buffer
);
3204 static void deselect(void)
3206 selstate
= NO_SELECTION
;
3207 selstart
.x
= selstart
.y
= selend
.x
= selend
.y
= 0;
3210 void term_deselect(void)
3216 int term_ldisc(int option
)
3218 if (option
== LD_ECHO
)
3219 return term_echoing
;
3220 if (option
== LD_EDIT
)
3221 return term_editing
;
3226 * from_backend(), to get data from the backend for the terminal.
3228 void from_backend(int is_stderr
, char *data
, int len
)
3231 if (inbuf_head
>= INBUF_SIZE
)
3233 inbuf
[inbuf_head
++] = *data
++;
3238 * Log session traffic.
3240 void logtraffic(unsigned char c
, int logmode
)
3242 if (cfg
.logtype
> 0) {
3243 if (cfg
.logtype
== logmode
) {
3244 /* deferred open file from pgm start? */
3253 /* open log file append/overwrite mode */
3263 sprintf(writemod
, "wb"); /* default to rewrite */
3264 lgfp
= fopen(cfg
.logfilename
, "r"); /* file already present? */
3268 i
= askappend(cfg
.logfilename
);
3270 writemod
[0] = 'a'; /* set append mode */
3271 else if (i
== 0) { /* cancelled */
3273 cfg
.logtype
= 0; /* disable logging */
3278 lgfp
= fopen(cfg
.logfilename
, writemod
);
3279 if (lgfp
) { /* enter into event log */
3280 sprintf(buf
, "%s session log (%s mode) to file : ",
3281 (writemod
[0] == 'a') ?
"Appending" : "Writing new",
3282 (cfg
.logtype
== LGTYP_ASCII ?
"ASCII" :
3283 cfg
.logtype
== LGTYP_DEBUG ?
"raw" : "<ukwn>"));
3284 /* Make sure we do not exceed the output buffer size */
3285 strncat(buf
, cfg
.logfilename
, 128);
3286 buf
[strlen(buf
)] = '\0';
3289 /* --- write header line iinto log file */
3290 fputs("=~=~=~=~=~=~=~=~=~=~=~= PuTTY log ", lgfp
);
3293 strftime(buf
, 24, "%Y.%m.%d %H:%M:%S", tm
);
3295 fputs(" =~=~=~=~=~=~=~=~=~=~=~=\r\n", lgfp
);
3299 void logfclose(void)