10 #define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) )
11 #define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) )
12 #define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x )
13 #define posdiff(p1,p2) ( ((p1).y - (p2).y) * (term->cols+1) + (p1).x - (p2).x )
15 /* Product-order comparisons for rectangular block selection. */
16 #define posPlt(p1,p2) ( (p1).y <= (p2).y && (p1).x < (p2).x )
17 #define posPle(p1,p2) ( (p1).y <= (p2).y && (p1).x <= (p2).x )
19 #define incpos(p) ( (p).x == term->cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) )
20 #define decpos(p) ( (p).x == 0 ? ((p).x = term->cols, (p).y--, 1) : ((p).x--, 0) )
24 #define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */
25 #define CL_VT100 0x0002 /* VT100 */
26 #define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */
27 #define CL_VT102 0x0008 /* VT102 */
28 #define CL_VT220 0x0010 /* VT220 */
29 #define CL_VT320 0x0020 /* VT320 */
30 #define CL_VT420 0x0040 /* VT420 */
31 #define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */
32 #define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */
33 #define CL_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */
34 #define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */
35 #define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */
37 #define TM_VT100 (CL_ANSIMIN|CL_VT100)
38 #define TM_VT100AVO (TM_VT100|CL_VT100AVO)
39 #define TM_VT102 (TM_VT100AVO|CL_VT102)
40 #define TM_VT220 (TM_VT102|CL_VT220)
41 #define TM_VTXXX (TM_VT220|CL_VT340TEXT|CL_VT510|CL_VT420|CL_VT320)
42 #define TM_SCOANSI (CL_ANSIMIN|CL_SCOANSI)
44 #define TM_PUTTY (0xFFFF)
46 #define compatibility(x) \
47 if ( ((CL_##x)&term->compatibility_level) == 0 ) { \
48 term->termstate=TOPLEVEL; \
51 #define compatibility2(x,y) \
52 if ( ((CL_##x|CL_##y)&term->compatibility_level) == 0 ) { \
53 term->termstate=TOPLEVEL; \
57 #define has_compat(x) ( ((CL_##x)&term->compatibility_level) != 0 )
59 #define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t))
60 const wchar_t sel_nl
[] = SEL_NL
;
63 * Internal prototypes.
65 static void do_paint(Terminal
*, Context
, int);
66 static void erase_lots(Terminal
*, int, int, int);
67 static void swap_screen(Terminal
*, int, int, int);
68 static void update_sbar(Terminal
*);
69 static void deselect(Terminal
*);
70 static void term_print_finish(Terminal
*);
73 * Resize a line to make it `cols' columns wide.
75 unsigned long *resizeline(unsigned long *line
, int cols
)
78 unsigned long lineattrs
;
80 if (line
[0] != (unsigned long)cols
) {
82 * This line is the wrong length, which probably means it
83 * hasn't been accessed since a resize. Resize it now.
86 lineattrs
= line
[oldlen
+ 1];
87 line
= srealloc(line
, TSIZE
* (2 + cols
));
89 for (i
= oldlen
; i
< cols
; i
++)
90 line
[i
+ 1] = ERASE_CHAR
;
91 line
[cols
+ 1] = lineattrs
& LATTR_MODE
;
98 * Retrieve a line of the screen or of the scrollback, according to
99 * whether the y coordinate is non-negative or negative
102 unsigned long *lineptr(Terminal
*term
, int y
, int lineno
)
104 unsigned long *line
, *newline
;
109 whichtree
= term
->screen
;
112 whichtree
= term
->scrollback
;
113 treeindex
= y
+ count234(term
->scrollback
);
115 line
= index234(whichtree
, treeindex
);
117 /* We assume that we don't screw up and retrieve something out of range. */
118 assert(line
!= NULL
);
120 newline
= resizeline(line
, term
->cols
);
121 if (newline
!= line
) {
122 delpos234(whichtree
, treeindex
);
123 addpos234(whichtree
, newline
, treeindex
);
130 #define lineptr(x) lineptr(term,x,__LINE__)
133 * Set up power-on settings for the terminal.
135 static void power_on(Terminal
*term
)
137 term
->curs
.x
= term
->curs
.y
= 0;
138 term
->alt_x
= term
->alt_y
= 0;
139 term
->savecurs
.x
= term
->savecurs
.y
= 0;
140 term
->alt_t
= term
->marg_t
= 0;
141 if (term
->rows
!= -1)
142 term
->alt_b
= term
->marg_b
= term
->rows
- 1;
144 term
->alt_b
= term
->marg_b
= 0;
145 if (term
->cols
!= -1) {
147 for (i
= 0; i
< term
->cols
; i
++)
148 term
->tabs
[i
] = (i
% 8 == 0 ? TRUE
: FALSE
);
150 term
->alt_om
= term
->dec_om
= cfg
.dec_om
;
151 term
->alt_ins
= term
->insert
= FALSE
;
152 term
->alt_wnext
= term
->wrapnext
= term
->save_wnext
= FALSE
;
153 term
->alt_wrap
= term
->wrap
= cfg
.wrap_mode
;
154 term
->alt_cset
= term
->cset
= term
->save_cset
= 0;
155 term
->alt_utf
= term
->utf
= term
->save_utf
= 0;
157 term
->alt_sco_acs
= term
->sco_acs
= term
->save_sco_acs
= 0;
158 term
->cset_attr
[0] = term
->cset_attr
[1] = term
->save_csattr
= ATTR_ASCII
;
160 term
->in_vbell
= FALSE
;
162 term
->big_cursor
= 0;
163 term
->save_attr
= term
->curr_attr
= ATTR_DEFAULT
;
164 term
->term_editing
= term
->term_echoing
= FALSE
;
165 term
->app_cursor_keys
= cfg
.app_cursor
;
166 term
->app_keypad_keys
= cfg
.app_keypad
;
167 term
->use_bce
= cfg
.bce
;
168 term
->blink_is_real
= cfg
.blinktext
;
169 term
->erase_char
= ERASE_CHAR
;
171 term_print_finish(term
);
174 for (i
= 0; i
< 256; i
++)
175 term
->wordness
[i
] = cfg
.wordness
[i
];
178 swap_screen(term
, 1, FALSE
, FALSE
);
179 erase_lots(term
, FALSE
, TRUE
, TRUE
);
180 swap_screen(term
, 0, FALSE
, FALSE
);
181 erase_lots(term
, FALSE
, TRUE
, TRUE
);
186 * Force a screen update.
188 void term_update(Terminal
*term
)
193 int need_sbar_update
= term
->seen_disp_event
;
194 if (term
->seen_disp_event
&& cfg
.scroll_on_disp
) {
195 term
->disptop
= 0; /* return to main screen */
196 term
->seen_disp_event
= 0;
197 need_sbar_update
= TRUE
;
199 if (need_sbar_update
)
201 do_paint(term
, ctx
, TRUE
);
202 sys_cursor(term
->curs
.x
, term
->curs
.y
- term
->disptop
);
208 * Called from front end when a keypress occurs, to trigger
209 * anything magical that needs to happen in that situation.
211 void term_seen_key_event(Terminal
*term
)
214 * On any keypress, clear the bell overload mechanism
215 * completely, on the grounds that large numbers of
216 * beeps coming from deliberate key action are likely
217 * to be intended (e.g. beeps from filename completion
218 * blocking repeatedly).
220 term
->beep_overloaded
= FALSE
;
221 while (term
->beephead
) {
222 struct beeptime
*tmp
= term
->beephead
;
223 term
->beephead
= tmp
->next
;
226 term
->beeptail
= NULL
;
230 * Reset the scrollback on keypress, if we're doing that.
232 if (cfg
.scroll_on_key
) {
233 term
->disptop
= 0; /* return to main screen */
234 term
->seen_disp_event
= 1;
239 * Same as power_on(), but an external function.
241 void term_pwron(Terminal
*term
)
244 ldisc_send(NULL
, 0, 0); /* cause ldisc to notice changes */
252 * When the user reconfigures us, we need to check the forbidden-
253 * alternate-screen config option, disable raw mouse mode if the
254 * user has disabled mouse reporting, and abandon a print job if
255 * the user has disabled printing.
257 void term_reconfig(Terminal
*term
)
259 if (cfg
.no_alt_screen
)
260 swap_screen(term
, 0, FALSE
, FALSE
);
261 if (cfg
.no_mouse_rep
) {
262 term
->xterm_mouse
= 0;
263 set_raw_mouse_mode(0);
265 if (cfg
.no_remote_charset
) {
266 term
->cset_attr
[0] = term
->cset_attr
[1] = ATTR_ASCII
;
267 term
->sco_acs
= term
->alt_sco_acs
= 0;
271 term_print_finish(term
);
276 * Clear the scrollback.
278 void term_clrsb(Terminal
*term
)
282 while ((line
= delpos234(term
->scrollback
, 0)) != NULL
) {
289 * Initialise the terminal.
291 Terminal
*term_init(void)
296 * Allocate a new Terminal structure and initialise the fields
299 term
= smalloc(sizeof(Terminal
));
300 term
->compatibility_level
= TM_PUTTY
;
301 strcpy(term
->id_string
, "\033[?6c");
302 term
->last_blink
= term
->last_tblink
= 0;
303 term
->paste_buffer
= NULL
;
304 term
->last_paste
= 0;
305 bufchain_init(&term
->inbuf
);
306 bufchain_init(&term
->printer_buf
);
307 term
->printing
= term
->only_printing
= FALSE
;
308 term
->print_job
= NULL
;
309 term
->vt52_mode
= FALSE
;
310 term
->cr_lf_return
= FALSE
;
311 term
->seen_disp_event
= FALSE
;
312 term
->xterm_mouse
= FALSE
;
313 term
->reset_132
= FALSE
;
314 term
->blinker
= term
->tblinker
= 0;
316 term
->repeat_off
= FALSE
;
317 term
->termstate
= TOPLEVEL
;
318 term
->selstate
= NO_SELECTION
;
320 term
->screen
= term
->alt_screen
= term
->scrollback
= NULL
;
322 term
->disptext
= term
->dispcurs
= NULL
;
325 term
->rows
= term
->cols
= -1;
327 term
->beephead
= term
->beeptail
= NULL
;
329 term
->lastbeep
= FALSE
;
330 term
->beep_overloaded
= FALSE
;
336 * Set up the terminal for a given size.
338 void term_size(Terminal
*term
, int newrows
, int newcols
, int newsavelines
)
341 unsigned long *newdisp
, *line
;
344 int save_alt_which
= term
->alt_which
;
346 if (newrows
== term
->rows
&& newcols
== term
->cols
&&
347 newsavelines
== term
->savelines
)
348 return; /* nothing to do */
351 swap_screen(term
, 0, FALSE
, FALSE
);
353 term
->alt_t
= term
->marg_t
= 0;
354 term
->alt_b
= term
->marg_b
= newrows
- 1;
356 if (term
->rows
== -1) {
357 term
->scrollback
= newtree234(NULL
);
358 term
->screen
= newtree234(NULL
);
363 * Resize the screen and scrollback. We only need to shift
364 * lines around within our data structures, because lineptr()
365 * will take care of resizing each individual line if
368 * - If the new screen and the old screen differ in length, we
369 * must shunt some lines in from the scrollback or out to
372 * - If doing that fails to provide us with enough material to
373 * fill the new screen (i.e. the number of rows needed in
374 * the new screen exceeds the total number in the previous
375 * screen+scrollback), we must invent some blank lines to
378 * - Then, if the new scrollback length is less than the
379 * amount of scrollback we actually have, we must throw some
382 sblen
= count234(term
->scrollback
);
383 /* Do this loop to expand the screen if newrows > rows */
384 for (i
= term
->rows
; i
< newrows
; i
++) {
386 line
= delpos234(term
->scrollback
, --sblen
);
388 line
= smalloc(TSIZE
* (newcols
+ 2));
390 for (j
= 0; j
<= newcols
; j
++)
391 line
[j
+ 1] = ERASE_CHAR
;
393 addpos234(term
->screen
, line
, 0);
395 /* Do this loop to shrink the screen if newrows < rows */
396 for (i
= newrows
; i
< term
->rows
; i
++) {
397 line
= delpos234(term
->screen
, 0);
398 addpos234(term
->scrollback
, line
, sblen
++);
400 assert(count234(term
->screen
) == newrows
);
401 while (sblen
> newsavelines
) {
402 line
= delpos234(term
->scrollback
, 0);
406 assert(count234(term
->scrollback
) <= newsavelines
);
409 newdisp
= smalloc(newrows
* (newcols
+ 1) * TSIZE
);
410 for (i
= 0; i
< newrows
* (newcols
+ 1); i
++)
411 newdisp
[i
] = ATTR_INVALID
;
412 sfree(term
->disptext
);
413 term
->disptext
= newdisp
;
414 term
->dispcurs
= NULL
;
416 newalt
= newtree234(NULL
);
417 for (i
= 0; i
< newrows
; i
++) {
418 line
= smalloc(TSIZE
* (newcols
+ 2));
420 for (j
= 0; j
<= newcols
; j
++)
421 line
[j
+ 1] = term
->erase_char
;
422 addpos234(newalt
, line
, i
);
424 if (term
->alt_screen
) {
425 while (NULL
!= (line
= delpos234(term
->alt_screen
, 0)))
427 freetree234(term
->alt_screen
);
429 term
->alt_screen
= newalt
;
431 term
->tabs
= srealloc(term
->tabs
, newcols
* sizeof(*term
->tabs
));
434 for (i
= (term
->cols
> 0 ? term
->cols
: 0); i
< newcols
; i
++)
435 term
->tabs
[i
] = (i
% 8 == 0 ? TRUE
: FALSE
);
439 term
->curs
.y
+= newrows
- term
->rows
;
440 if (term
->curs
.y
< 0)
442 if (term
->curs
.y
>= newrows
)
443 term
->curs
.y
= newrows
- 1;
444 if (term
->curs
.x
>= newcols
)
445 term
->curs
.x
= newcols
- 1;
446 term
->alt_x
= term
->alt_y
= 0;
447 term
->wrapnext
= term
->alt_wnext
= FALSE
;
449 term
->rows
= newrows
;
450 term
->cols
= newcols
;
451 term
->savelines
= newsavelines
;
454 swap_screen(term
, save_alt_which
, FALSE
, FALSE
);
458 back
->size(term
->cols
, term
->rows
);
462 * Swap screens. If `reset' is TRUE and we have been asked to
463 * switch to the alternate screen, we must bring most of its
464 * configuration from the main screen and erase the contents of the
465 * alternate screen completely. (This is even true if we're already
466 * on it! Blame xterm.)
468 static void swap_screen(Terminal
*term
, int which
, int reset
, int keep_cur_pos
)
474 reset
= FALSE
; /* do no weird resetting if which==0 */
476 if (which
!= term
->alt_which
) {
477 term
->alt_which
= which
;
479 ttr
= term
->alt_screen
;
480 term
->alt_screen
= term
->screen
;
483 if (!reset
&& !keep_cur_pos
)
484 term
->curs
.x
= term
->alt_x
;
487 if (!reset
&& !keep_cur_pos
)
488 term
->curs
.y
= term
->alt_y
;
491 if (!reset
) term
->marg_t
= term
->alt_t
;
494 if (!reset
) term
->marg_b
= term
->alt_b
;
497 if (!reset
) term
->dec_om
= term
->alt_om
;
500 if (!reset
) term
->wrap
= term
->alt_wrap
;
503 if (!reset
) term
->wrapnext
= term
->alt_wnext
;
506 if (!reset
) term
->insert
= term
->alt_ins
;
509 if (!reset
) term
->cset
= term
->alt_cset
;
512 if (!reset
) term
->utf
= term
->alt_utf
;
515 if (!reset
) term
->sco_acs
= term
->alt_sco_acs
;
516 term
->alt_sco_acs
= t
;
519 if (reset
&& term
->screen
) {
521 * Yes, this _is_ supposed to honour background-colour-erase.
523 erase_lots(term
, FALSE
, TRUE
, TRUE
);
527 * This might not be possible if we're called during
535 * Update the scroll bar.
537 static void update_sbar(Terminal
*term
)
541 nscroll
= count234(term
->scrollback
);
543 set_sbar(nscroll
+ term
->rows
, nscroll
+ term
->disptop
, term
->rows
);
547 * Check whether the region bounded by the two pointers intersects
548 * the scroll region, and de-select the on-screen selection if so.
550 static void check_selection(Terminal
*term
, pos from
, pos to
)
552 if (poslt(from
, term
->selend
) && poslt(term
->selstart
, to
))
557 * Scroll the screen. (`lines' is +ve for scrolling forward, -ve
558 * for backward.) `sb' is TRUE if the scrolling is permitted to
559 * affect the scrollback buffer.
561 * NB this function invalidates all pointers into lines of the
562 * screen data structures. In particular, you MUST call fix_cpos
563 * after calling scroll() and before doing anything else that
564 * uses the cpos shortcut pointer.
566 static void scroll(Terminal
*term
, int topline
, int botline
, int lines
, int sb
)
568 unsigned long *line
, *line2
;
571 if (topline
!= 0 || term
->alt_which
!= 0)
576 line
= delpos234(term
->screen
, botline
);
577 line
= resizeline(line
, term
->cols
);
578 for (i
= 0; i
< term
->cols
; i
++)
579 line
[i
+ 1] = term
->erase_char
;
580 line
[term
->cols
+ 1] = 0;
581 addpos234(term
->screen
, line
, topline
);
583 if (term
->selstart
.y
>= topline
&& term
->selstart
.y
<= botline
) {
585 if (term
->selstart
.y
> botline
) {
586 term
->selstart
.y
= botline
;
587 term
->selstart
.x
= 0;
590 if (term
->selend
.y
>= topline
&& term
->selend
.y
<= botline
) {
592 if (term
->selend
.y
> botline
) {
593 term
->selend
.y
= botline
;
602 line
= delpos234(term
->screen
, topline
);
603 if (sb
&& term
->savelines
> 0) {
604 int sblen
= count234(term
->scrollback
);
606 * We must add this line to the scrollback. We'll
607 * remove a line from the top of the scrollback to
608 * replace it, or allocate a new one if the
609 * scrollback isn't full.
611 if (sblen
== term
->savelines
) {
612 sblen
--, line2
= delpos234(term
->scrollback
, 0);
614 line2
= smalloc(TSIZE
* (term
->cols
+ 2));
615 line2
[0] = term
->cols
;
617 addpos234(term
->scrollback
, line
, sblen
);
621 * If the user is currently looking at part of the
622 * scrollback, and they haven't enabled any options
623 * that are going to reset the scrollback as a
624 * result of this movement, then the chances are
625 * they'd like to keep looking at the same line. So
626 * we move their viewpoint at the same rate as the
627 * scroll, at least until their viewpoint hits the
628 * top end of the scrollback buffer, at which point
629 * we don't have the choice any more.
631 * Thanks to Jan Holmen Holsten for the idea and
632 * initial implementation.
634 if (term
->disptop
> -term
->savelines
&& term
->disptop
< 0)
637 line
= resizeline(line
, term
->cols
);
638 for (i
= 0; i
< term
->cols
; i
++)
639 line
[i
+ 1] = term
->erase_char
;
640 line
[term
->cols
+ 1] = 0;
641 addpos234(term
->screen
, line
, botline
);
644 * If the selection endpoints move into the scrollback,
645 * we keep them moving until they hit the top. However,
646 * of course, if the line _hasn't_ moved into the
647 * scrollback then we don't do this, and cut them off
648 * at the top of the scroll region.
650 * This applies to selstart and selend (for an existing
651 * selection), and also selanchor (for one being
652 * selected as we speak).
654 seltop
= sb ?
-term
->savelines
: topline
;
656 if (term
->selstart
.y
>= seltop
&&
657 term
->selstart
.y
<= botline
) {
659 if (term
->selstart
.y
< seltop
) {
660 term
->selstart
.y
= seltop
;
661 term
->selstart
.x
= 0;
664 if (term
->selend
.y
>= seltop
&& term
->selend
.y
<= botline
) {
666 if (term
->selend
.y
< seltop
) {
667 term
->selend
.y
= seltop
;
671 if (term
->selanchor
.y
>= seltop
&& term
->selanchor
.y
<= botline
) {
673 if (term
->selanchor
.y
< seltop
) {
674 term
->selanchor
.y
= seltop
;
675 term
->selanchor
.x
= 0;
685 * Move the cursor to a given position, clipping at boundaries. We
686 * may or may not want to clip at the scroll margin: marg_clip is 0
687 * not to, 1 to disallow _passing_ the margins, and 2 to disallow
688 * even _being_ outside the margins.
690 static void move(Terminal
*term
, int x
, int y
, int marg_clip
)
697 if ((term
->curs
.y
>= term
->marg_t
|| marg_clip
== 2) &&
700 if ((term
->curs
.y
<= term
->marg_b
|| marg_clip
== 2) &&
711 term
->wrapnext
= FALSE
;
715 * Save or restore the cursor and SGR mode.
717 static void save_cursor(Terminal
*term
, int save
)
720 term
->savecurs
= term
->curs
;
721 term
->save_attr
= term
->curr_attr
;
722 term
->save_cset
= term
->cset
;
723 term
->save_utf
= term
->utf
;
724 term
->save_wnext
= term
->wrapnext
;
725 term
->save_csattr
= term
->cset_attr
[term
->cset
];
726 term
->save_sco_acs
= term
->sco_acs
;
728 term
->curs
= term
->savecurs
;
729 /* Make sure the window hasn't shrunk since the save */
730 if (term
->curs
.x
>= term
->cols
)
731 term
->curs
.x
= term
->cols
- 1;
732 if (term
->curs
.y
>= term
->rows
)
733 term
->curs
.y
= term
->rows
- 1;
735 term
->curr_attr
= term
->save_attr
;
736 term
->cset
= term
->save_cset
;
737 term
->utf
= term
->save_utf
;
738 term
->wrapnext
= term
->save_wnext
;
740 * wrapnext might reset to False if the x position is no
741 * longer at the rightmost edge.
743 if (term
->wrapnext
&& term
->curs
.x
< term
->cols
-1)
744 term
->wrapnext
= FALSE
;
745 term
->cset_attr
[term
->cset
] = term
->save_csattr
;
746 term
->sco_acs
= term
->save_sco_acs
;
749 term
->erase_char
= (' ' | ATTR_ASCII
|
751 (ATTR_FGMASK
| ATTR_BGMASK
)));
756 * Erase a large portion of the screen: the whole screen, or the
757 * whole line, or parts thereof.
759 static void erase_lots(Terminal
*term
,
760 int line_only
, int from_begin
, int to_end
)
764 unsigned long *ldata
;
767 start
.y
= term
->curs
.y
;
769 end
.y
= term
->curs
.y
+ 1;
786 check_selection(term
, start
, end
);
788 /* Clear screen also forces a full window redraw, just in case. */
789 if (start
.y
== 0 && start
.x
== 0 && end
.y
== term
->rows
)
790 term_invalidate(term
);
792 ldata
= lineptr(start
.y
);
793 while (poslt(start
, end
)) {
794 if (start
.x
== term
->cols
&& !erase_lattr
)
795 ldata
[start
.x
] &= ~LATTR_WRAPPED
;
797 ldata
[start
.x
] = term
->erase_char
;
798 if (incpos(start
) && start
.y
< term
->rows
)
799 ldata
= lineptr(start
.y
);
804 * Insert or delete characters within the current line. n is +ve if
805 * insertion is desired, and -ve for deletion.
807 static void insch(Terminal
*term
, int n
)
809 int dir
= (n
< 0 ?
-1 : +1);
812 unsigned long *ldata
;
814 n
= (n
< 0 ?
-n
: n
);
815 if (n
> term
->cols
- term
->curs
.x
)
816 n
= term
->cols
- term
->curs
.x
;
817 m
= term
->cols
- term
->curs
.x
- n
;
818 cursplus
.y
= term
->curs
.y
;
819 cursplus
.x
= term
->curs
.x
+ n
;
820 check_selection(term
, term
->curs
, cursplus
);
821 ldata
= lineptr(term
->curs
.y
);
823 memmove(ldata
+ term
->curs
.x
, ldata
+ term
->curs
.x
+ n
, m
* TSIZE
);
825 ldata
[term
->curs
.x
+ m
++] = term
->erase_char
;
827 memmove(ldata
+ term
->curs
.x
+ n
, ldata
+ term
->curs
.x
, m
* TSIZE
);
829 ldata
[term
->curs
.x
+ n
] = term
->erase_char
;
834 * Toggle terminal mode `mode' to state `state'. (`query' indicates
835 * whether the mode is a DEC private one or a normal one.)
837 static void toggle_mode(Terminal
*term
, int mode
, int query
, int state
)
843 case 1: /* application cursor keys */
844 term
->app_cursor_keys
= state
;
846 case 2: /* VT52 mode */
847 term
->vt52_mode
= !state
;
848 if (term
->vt52_mode
) {
849 term
->blink_is_real
= FALSE
;
850 term
->vt52_bold
= FALSE
;
852 term
->blink_is_real
= cfg
.blinktext
;
855 case 3: /* 80/132 columns */
857 if (!cfg
.no_remote_resize
)
858 request_resize(state ?
132 : 80, term
->rows
);
859 term
->reset_132
= state
;
861 case 5: /* reverse video */
863 * Toggle reverse video. If we receive an OFF within the
864 * visual bell timeout period after an ON, we trigger an
865 * effective visual bell, so that ESC[?5hESC[?5l will
866 * always be an actually _visible_ visual bell.
868 ticks
= GETTICKCOUNT();
869 /* turn off a previous vbell to avoid inconsistencies */
870 if (ticks
- term
->vbell_startpoint
>= VBELL_TIMEOUT
)
871 term
->in_vbell
= FALSE
;
872 if (term
->rvideo
&& !state
&& /* we're turning it off... */
873 (ticks
- term
->rvbell_startpoint
) < VBELL_TIMEOUT
) {/*...soon*/
874 /* If there's no vbell timeout already, or this one lasts
875 * longer, replace vbell_timeout with ours. */
876 if (!term
->in_vbell
||
877 (term
->rvbell_startpoint
- term
->vbell_startpoint
<
879 term
->vbell_startpoint
= term
->rvbell_startpoint
;
880 term
->in_vbell
= TRUE
; /* may clear rvideo but set in_vbell */
881 } else if (!term
->rvideo
&& state
) {
882 /* This is an ON, so we notice the time and save it. */
883 term
->rvbell_startpoint
= ticks
;
885 term
->rvideo
= state
;
886 term
->seen_disp_event
= TRUE
;
890 case 6: /* DEC origin mode */
891 term
->dec_om
= state
;
893 case 7: /* auto wrap */
896 case 8: /* auto key repeat */
897 term
->repeat_off
= !state
;
899 case 10: /* set local edit mode */
900 term
->term_editing
= state
;
901 ldisc_send(NULL
, 0, 0); /* cause ldisc to notice changes */
903 case 25: /* enable/disable cursor */
904 compatibility2(OTHER
, VT220
);
905 term
->cursor_on
= state
;
906 term
->seen_disp_event
= TRUE
;
908 case 47: /* alternate screen */
909 compatibility(OTHER
);
911 swap_screen(term
, cfg
.no_alt_screen ?
0 : state
, FALSE
, FALSE
);
914 case 1000: /* xterm mouse 1 */
915 term
->xterm_mouse
= state ?
1 : 0;
916 set_raw_mouse_mode(state
);
918 case 1002: /* xterm mouse 2 */
919 term
->xterm_mouse
= state ?
2 : 0;
920 set_raw_mouse_mode(state
);
922 case 1047: /* alternate screen */
923 compatibility(OTHER
);
925 swap_screen(term
, cfg
.no_alt_screen ?
0 : state
, TRUE
, TRUE
);
928 case 1048: /* save/restore cursor */
929 save_cursor(term
, state
);
930 if (!state
) term
->seen_disp_event
= TRUE
;
932 case 1049: /* cursor & alternate screen */
934 save_cursor(term
, state
);
935 if (!state
) term
->seen_disp_event
= TRUE
;
936 compatibility(OTHER
);
938 swap_screen(term
, cfg
.no_alt_screen ?
0 : state
, TRUE
, FALSE
);
940 save_cursor(term
, state
);
945 case 4: /* set insert mode */
946 compatibility(VT102
);
947 term
->insert
= state
;
949 case 12: /* set echo mode */
950 term
->term_echoing
= !state
;
951 ldisc_send(NULL
, 0, 0); /* cause ldisc to notice changes */
953 case 20: /* Return sends ... */
954 term
->cr_lf_return
= state
;
956 case 34: /* Make cursor BIG */
957 compatibility2(OTHER
, VT220
);
958 term
->big_cursor
= !state
;
963 * Process an OSC sequence: set window title or icon name.
965 static void do_osc(Terminal
*term
)
968 while (term
->osc_strlen
--)
969 term
->wordness
[(unsigned char)
970 term
->osc_string
[term
->osc_strlen
]] = term
->esc_args
[0];
972 term
->osc_string
[term
->osc_strlen
] = '\0';
973 switch (term
->esc_args
[0]) {
976 if (!cfg
.no_remote_wintitle
)
977 set_icon(term
->osc_string
);
978 if (term
->esc_args
[0] == 1)
980 /* fall through: parameter 0 means set both */
983 if (!cfg
.no_remote_wintitle
)
984 set_title(term
->osc_string
);
991 * ANSI printing routines.
993 static void term_print_setup(Terminal
*term
)
995 bufchain_clear(&term
->printer_buf
);
996 term
->print_job
= printer_start_job(cfg
.printer
);
998 static void term_print_flush(Terminal
*term
)
1003 while ((size
= bufchain_size(&term
->printer_buf
)) > 5) {
1004 bufchain_prefix(&term
->printer_buf
, &data
, &len
);
1007 printer_job_data(term
->print_job
, data
, len
);
1008 bufchain_consume(&term
->printer_buf
, len
);
1011 static void term_print_finish(Terminal
*term
)
1017 if (!term
->printing
&& !term
->only_printing
)
1018 return; /* we need do nothing */
1020 term_print_flush(term
);
1021 while ((size
= bufchain_size(&term
->printer_buf
)) > 0) {
1022 bufchain_prefix(&term
->printer_buf
, &data
, &len
);
1024 if (c
== '\033' || c
== '\233') {
1025 bufchain_consume(&term
->printer_buf
, size
);
1028 printer_job_data(term
->print_job
, &c
, 1);
1029 bufchain_consume(&term
->printer_buf
, 1);
1032 printer_finish_job(term
->print_job
);
1033 term
->print_job
= NULL
;
1034 term
->printing
= term
->only_printing
= FALSE
;
1038 * Remove everything currently in `inbuf' and stick it up on the
1039 * in-memory display. There's a big state machine in here to
1040 * process escape sequences...
1042 void term_out(Terminal
*term
)
1045 unsigned char localbuf
[256], *chars
;
1050 chars
= NULL
; /* placate compiler warnings */
1051 while (nchars
> 0 || bufchain_size(&term
->inbuf
) > 0) {
1055 bufchain_prefix(&term
->inbuf
, &ret
, &nchars
);
1056 if (nchars
> sizeof(localbuf
))
1057 nchars
= sizeof(localbuf
);
1058 memcpy(localbuf
, ret
, nchars
);
1059 bufchain_consume(&term
->inbuf
, nchars
);
1061 assert(chars
!= NULL
);
1067 * Optionally log the session traffic to a file. Useful for
1068 * debugging and possibly also useful for actual logging.
1070 if (cfg
.logtype
== LGTYP_DEBUG
)
1071 logtraffic((unsigned char) c
, LGTYP_DEBUG
);
1077 /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even
1078 * be able to display 8-bit characters, but I'll let that go 'cause
1083 * If we're printing, add the character to the printer
1086 if (term
->printing
) {
1087 bufchain_add(&term
->printer_buf
, &c
, 1);
1090 * If we're in print-only mode, we use a much simpler
1091 * state machine designed only to recognise the ESC[4i
1092 * termination sequence.
1094 if (term
->only_printing
) {
1096 term
->print_state
= 1;
1097 else if (c
== (unsigned char)'\233')
1098 term
->print_state
= 2;
1099 else if (c
== '[' && term
->print_state
== 1)
1100 term
->print_state
= 2;
1101 else if (c
== '4' && term
->print_state
== 2)
1102 term
->print_state
= 3;
1103 else if (c
== 'i' && term
->print_state
== 3)
1104 term
->print_state
= 4;
1106 term
->print_state
= 0;
1107 if (term
->print_state
== 4) {
1108 term_print_finish(term
);
1114 /* First see about all those translations. */
1115 if (term
->termstate
== TOPLEVEL
) {
1117 switch (term
->utf_state
) {
1120 /* UTF-8 must be stateless so we ignore iso2022. */
1121 if (unitab_ctrl
[c
] != 0xFF)
1123 else c
= ((unsigned char)c
) | ATTR_ASCII
;
1125 } else if ((c
& 0xe0) == 0xc0) {
1126 term
->utf_size
= term
->utf_state
= 1;
1127 term
->utf_char
= (c
& 0x1f);
1128 } else if ((c
& 0xf0) == 0xe0) {
1129 term
->utf_size
= term
->utf_state
= 2;
1130 term
->utf_char
= (c
& 0x0f);
1131 } else if ((c
& 0xf8) == 0xf0) {
1132 term
->utf_size
= term
->utf_state
= 3;
1133 term
->utf_char
= (c
& 0x07);
1134 } else if ((c
& 0xfc) == 0xf8) {
1135 term
->utf_size
= term
->utf_state
= 4;
1136 term
->utf_char
= (c
& 0x03);
1137 } else if ((c
& 0xfe) == 0xfc) {
1138 term
->utf_size
= term
->utf_state
= 5;
1139 term
->utf_char
= (c
& 0x01);
1150 if ((c
& 0xC0) != 0x80) {
1153 term
->utf_state
= 0;
1156 term
->utf_char
= (term
->utf_char
<< 6) | (c
& 0x3f);
1157 if (--term
->utf_state
)
1162 /* Is somebody trying to be evil! */
1164 (c
< 0x800 && term
->utf_size
>= 2) ||
1165 (c
< 0x10000 && term
->utf_size
>= 3) ||
1166 (c
< 0x200000 && term
->utf_size
>= 4) ||
1167 (c
< 0x4000000 && term
->utf_size
>= 5))
1170 /* Unicode line separator and paragraph separator are CR-LF */
1171 if (c
== 0x2028 || c
== 0x2029)
1174 /* High controls are probably a Baaad idea too. */
1178 /* The UTF-16 surrogates are not nice either. */
1179 /* The standard give the option of decoding these:
1180 * I don't want to! */
1181 if (c
>= 0xD800 && c
< 0xE000)
1184 /* ISO 10646 characters now limited to UTF-16 range. */
1188 /* This is currently a TagPhobic application.. */
1189 if (c
>= 0xE0000 && c
<= 0xE007F)
1192 /* U+FEFF is best seen as a null. */
1195 /* But U+FFFE is an error. */
1196 if (c
== 0xFFFE || c
== 0xFFFF)
1199 /* Oops this is a 16bit implementation */
1204 /* Are we in the nasty ACS mode? Note: no sco in utf mode. */
1205 else if(term
->sco_acs
&&
1206 (c
!='\033' && c
!='\n' && c
!='\r' && c
!='\b'))
1208 if (term
->sco_acs
== 2) c
^= 0x80;
1211 switch (term
->cset_attr
[term
->cset
]) {
1213 * Linedraw characters are different from 'ESC ( B'
1214 * only for a small range. For ones outside that
1215 * range, make sure we use the same font as well as
1216 * the same encoding.
1219 if (unitab_ctrl
[c
] != 0xFF)
1222 c
= ((unsigned char) c
) | ATTR_LINEDRW
;
1226 /* If UK-ASCII, make the '#' a LineDraw Pound */
1228 c
= '}' | ATTR_LINEDRW
;
1231 /*FALLTHROUGH*/ case ATTR_ASCII
:
1232 if (unitab_ctrl
[c
] != 0xFF)
1235 c
= ((unsigned char) c
) | ATTR_ASCII
;
1238 if (c
>=' ') c
= ((unsigned char)c
) | ATTR_SCOACS
;
1244 /* How about C1 controls ? */
1245 if ((c
& -32) == 0x80 && term
->termstate
< DO_CTRLS
&&
1246 !term
->vt52_mode
&& has_compat(VT220
)) {
1247 term
->termstate
= SEEN_ESC
;
1248 term
->esc_query
= FALSE
;
1249 c
= '@' + (c
& 0x1F);
1252 /* Or the GL control. */
1253 if (c
== '\177' && term
->termstate
< DO_CTRLS
&& has_compat(OTHER
)) {
1254 if (term
->curs
.x
&& !term
->wrapnext
)
1256 term
->wrapnext
= FALSE
;
1258 if (!cfg
.no_dbackspace
) /* destructive bksp might be disabled */
1259 *term
->cpos
= (' ' | term
->curr_attr
| ATTR_ASCII
);
1261 /* Or normal C0 controls. */
1262 if ((c
& -32) == 0 && term
->termstate
< DO_CTRLS
) {
1264 case '\005': /* terminal type query */
1265 /* Strictly speaking this is VT100 but a VT100 defaults to
1266 * no response. Other terminals respond at their option.
1268 * Don't put a CR in the default string as this tends to
1269 * upset some weird software.
1271 * An xterm returns "xterm" (5 characters)
1273 compatibility(ANSIMIN
);
1275 char abuf
[256], *s
, *d
;
1277 for (s
= cfg
.answerback
, d
= abuf
; *s
; s
++) {
1279 if (*s
>= 'a' && *s
<= 'z')
1280 *d
++ = (*s
- ('a' - 1));
1281 else if ((*s
>= '@' && *s
<= '_') ||
1282 *s
== '?' || (*s
& 0x80))
1287 } else if (*s
== '^') {
1292 lpage_send(DEFAULT_CODEPAGE
, abuf
, d
- abuf
, 0);
1297 struct beeptime
*newbeep
;
1298 unsigned long ticks
;
1300 ticks
= GETTICKCOUNT();
1302 if (!term
->beep_overloaded
) {
1303 newbeep
= smalloc(sizeof(struct beeptime
));
1304 newbeep
->ticks
= ticks
;
1305 newbeep
->next
= NULL
;
1306 if (!term
->beephead
)
1307 term
->beephead
= newbeep
;
1309 term
->beeptail
->next
= newbeep
;
1310 term
->beeptail
= newbeep
;
1315 * Throw out any beeps that happened more than
1318 while (term
->beephead
&&
1319 term
->beephead
->ticks
< ticks
- cfg
.bellovl_t
) {
1320 struct beeptime
*tmp
= term
->beephead
;
1321 term
->beephead
= tmp
->next
;
1323 if (!term
->beephead
)
1324 term
->beeptail
= NULL
;
1328 if (cfg
.bellovl
&& term
->beep_overloaded
&&
1329 ticks
- term
->lastbeep
>= (unsigned)cfg
.bellovl_s
) {
1331 * If we're currently overloaded and the
1332 * last beep was more than s seconds ago,
1333 * leave overload mode.
1335 term
->beep_overloaded
= FALSE
;
1336 } else if (cfg
.bellovl
&& !term
->beep_overloaded
&&
1337 term
->nbeeps
>= cfg
.bellovl_n
) {
1339 * Now, if we have n or more beeps
1340 * remaining in the queue, go into overload
1343 term
->beep_overloaded
= TRUE
;
1345 term
->lastbeep
= ticks
;
1348 * Perform an actual beep if we're not overloaded.
1350 if (!cfg
.bellovl
|| !term
->beep_overloaded
) {
1351 if (cfg
.beep
== BELL_VISUAL
) {
1352 term
->in_vbell
= TRUE
;
1353 term
->vbell_startpoint
= ticks
;
1362 if (term
->curs
.x
== 0 &&
1363 (term
->curs
.y
== 0 || term
->wrap
== 0))
1365 else if (term
->curs
.x
== 0 && term
->curs
.y
> 0)
1366 term
->curs
.x
= term
->cols
- 1, term
->curs
.y
--;
1367 else if (term
->wrapnext
)
1368 term
->wrapnext
= FALSE
;
1372 term
->seen_disp_event
= TRUE
;
1375 compatibility(VT100
);
1379 compatibility(VT100
);
1383 if (term
->vt52_mode
)
1384 term
->termstate
= VT52_ESC
;
1386 compatibility(ANSIMIN
);
1387 term
->termstate
= SEEN_ESC
;
1388 term
->esc_query
= FALSE
;
1393 term
->wrapnext
= FALSE
;
1395 term
->seen_disp_event
= TRUE
;
1396 term
->paste_hold
= 0;
1397 logtraffic((unsigned char) c
, LGTYP_ASCII
);
1400 if (has_compat(SCOANSI
)) {
1401 move(term
, 0, 0, 0);
1402 erase_lots(term
, FALSE
, FALSE
, TRUE
);
1404 term
->wrapnext
= FALSE
;
1405 term
->seen_disp_event
= 1;
1409 compatibility(VT100
);
1411 if (term
->curs
.y
== term
->marg_b
)
1412 scroll(term
, term
->marg_t
, term
->marg_b
, 1, TRUE
);
1413 else if (term
->curs
.y
< term
->rows
- 1)
1418 term
->wrapnext
= FALSE
;
1419 term
->seen_disp_event
= 1;
1420 term
->paste_hold
= 0;
1421 logtraffic((unsigned char) c
, LGTYP_ASCII
);
1425 pos old_curs
= term
->curs
;
1426 unsigned long *ldata
= lineptr(term
->curs
.y
);
1430 } while (term
->curs
.x
< term
->cols
- 1 &&
1431 !term
->tabs
[term
->curs
.x
]);
1433 if ((ldata
[term
->cols
] & LATTR_MODE
) != LATTR_NORM
) {
1434 if (term
->curs
.x
>= term
->cols
/ 2)
1435 term
->curs
.x
= term
->cols
/ 2 - 1;
1437 if (term
->curs
.x
>= term
->cols
)
1438 term
->curs
.x
= term
->cols
- 1;
1442 check_selection(term
, old_curs
, term
->curs
);
1444 term
->seen_disp_event
= TRUE
;
1448 switch (term
->termstate
) {
1450 /* Only graphic characters get this far;
1451 * ctrls are stripped above */
1452 if (term
->wrapnext
&& term
->wrap
) {
1453 term
->cpos
[1] |= LATTR_WRAPPED
;
1454 if (term
->curs
.y
== term
->marg_b
)
1455 scroll(term
, term
->marg_t
, term
->marg_b
, 1, TRUE
);
1456 else if (term
->curs
.y
< term
->rows
- 1)
1460 term
->wrapnext
= FALSE
;
1464 if (term
->selstate
!= NO_SELECTION
) {
1465 pos cursplus
= term
->curs
;
1467 check_selection(term
, term
->curs
, cursplus
);
1469 if ((c
& CSET_MASK
) == ATTR_ASCII
|| (c
& CSET_MASK
) == 0)
1470 logtraffic((unsigned char) c
, LGTYP_ASCII
);
1472 extern int wcwidth(wchar_t ucs
);
1477 width
= wcwidth((wchar_t) c
);
1480 *term
->cpos
++ = c
| term
->curr_attr
;
1481 if (++term
->curs
.x
== term
->cols
) {
1482 *term
->cpos
|= LATTR_WRAPPED
;
1483 if (term
->curs
.y
== term
->marg_b
)
1484 scroll(term
, term
->marg_t
, term
->marg_b
,
1486 else if (term
->curs
.y
< term
->rows
- 1)
1491 *term
->cpos
++ = UCSWIDE
| term
->curr_attr
;
1494 *term
->cpos
++ = c
| term
->curr_attr
;
1501 if (term
->curs
.x
== term
->cols
) {
1504 term
->wrapnext
= TRUE
;
1505 if (term
->wrap
&& term
->vt52_mode
) {
1506 term
->cpos
[1] |= LATTR_WRAPPED
;
1507 if (term
->curs
.y
== term
->marg_b
)
1508 scroll(term
, term
->marg_t
, term
->marg_b
, 1, TRUE
);
1509 else if (term
->curs
.y
< term
->rows
- 1)
1513 term
->wrapnext
= FALSE
;
1516 term
->seen_disp_event
= 1;
1521 * This state is virtually identical to SEEN_ESC, with the
1522 * exception that we have an OSC sequence in the pipeline,
1523 * and _if_ we see a backslash, we process it.
1527 term
->termstate
= TOPLEVEL
;
1530 /* else fall through */
1532 if (c
>= ' ' && c
<= '/') {
1533 if (term
->esc_query
)
1534 term
->esc_query
= -1;
1536 term
->esc_query
= c
;
1539 term
->termstate
= TOPLEVEL
;
1540 switch (ANSI(c
, term
->esc_query
)) {
1541 case '[': /* enter CSI mode */
1542 term
->termstate
= SEEN_CSI
;
1543 term
->esc_nargs
= 1;
1544 term
->esc_args
[0] = ARG_DEFAULT
;
1545 term
->esc_query
= FALSE
;
1547 case ']': /* xterm escape sequences */
1548 /* Compatibility is nasty here, xterm, linux, decterm yuk! */
1549 compatibility(OTHER
);
1550 term
->termstate
= SEEN_OSC
;
1551 term
->esc_args
[0] = 0;
1553 case '7': /* save cursor */
1554 compatibility(VT100
);
1555 save_cursor(term
, TRUE
);
1557 case '8': /* restore cursor */
1558 compatibility(VT100
);
1559 save_cursor(term
, FALSE
);
1560 term
->seen_disp_event
= TRUE
;
1563 compatibility(VT100
);
1564 term
->app_keypad_keys
= TRUE
;
1567 compatibility(VT100
);
1568 term
->app_keypad_keys
= FALSE
;
1570 case 'D': /* exactly equivalent to LF */
1571 compatibility(VT100
);
1572 if (term
->curs
.y
== term
->marg_b
)
1573 scroll(term
, term
->marg_t
, term
->marg_b
, 1, TRUE
);
1574 else if (term
->curs
.y
< term
->rows
- 1)
1577 term
->wrapnext
= FALSE
;
1578 term
->seen_disp_event
= TRUE
;
1580 case 'E': /* exactly equivalent to CR-LF */
1581 compatibility(VT100
);
1583 if (term
->curs
.y
== term
->marg_b
)
1584 scroll(term
, term
->marg_t
, term
->marg_b
, 1, TRUE
);
1585 else if (term
->curs
.y
< term
->rows
- 1)
1588 term
->wrapnext
= FALSE
;
1589 term
->seen_disp_event
= TRUE
;
1591 case 'M': /* reverse index - backwards LF */
1592 compatibility(VT100
);
1593 if (term
->curs
.y
== term
->marg_t
)
1594 scroll(term
, term
->marg_t
, term
->marg_b
, -1, TRUE
);
1595 else if (term
->curs
.y
> 0)
1598 term
->wrapnext
= FALSE
;
1599 term
->seen_disp_event
= TRUE
;
1601 case 'Z': /* terminal type query */
1602 compatibility(VT100
);
1603 ldisc_send(term
->id_string
, strlen(term
->id_string
), 0);
1605 case 'c': /* restore power-on settings */
1606 compatibility(VT100
);
1608 ldisc_send(NULL
, 0, 0);/* cause ldisc to notice changes */
1609 if (term
->reset_132
) {
1610 if (!cfg
.no_remote_resize
)
1611 request_resize(80, term
->rows
);
1612 term
->reset_132
= 0;
1616 term
->seen_disp_event
= TRUE
;
1618 case 'H': /* set a tab */
1619 compatibility(VT100
);
1620 term
->tabs
[term
->curs
.x
] = TRUE
;
1623 case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */
1624 compatibility(VT100
);
1626 unsigned long *ldata
;
1630 for (i
= 0; i
< term
->rows
; i
++) {
1632 for (j
= 0; j
< term
->cols
; j
++)
1633 ldata
[j
] = ATTR_DEFAULT
| 'E';
1634 ldata
[term
->cols
] = 0;
1637 term
->seen_disp_event
= TRUE
;
1638 scrtop
.x
= scrtop
.y
= 0;
1640 scrbot
.y
= term
->rows
;
1641 check_selection(term
, scrtop
, scrbot
);
1645 case ANSI('3', '#'):
1646 case ANSI('4', '#'):
1647 case ANSI('5', '#'):
1648 case ANSI('6', '#'):
1649 compatibility(VT100
);
1651 unsigned long nlattr
;
1652 unsigned long *ldata
;
1653 switch (ANSI(c
, term
->esc_query
)) {
1654 case ANSI('3', '#'):
1657 case ANSI('4', '#'):
1660 case ANSI('5', '#'):
1661 nlattr
= LATTR_NORM
;
1663 default: /* spiritually case ANSI('6', '#'): */
1664 nlattr
= LATTR_WIDE
;
1667 ldata
= lineptr(term
->curs
.y
);
1668 ldata
[term
->cols
] &= ~LATTR_MODE
;
1669 ldata
[term
->cols
] |= nlattr
;
1673 case ANSI('A', '('):
1674 compatibility(VT100
);
1675 if (!cfg
.no_remote_charset
)
1676 term
->cset_attr
[0] = ATTR_GBCHR
;
1678 case ANSI('B', '('):
1679 compatibility(VT100
);
1680 if (!cfg
.no_remote_charset
)
1681 term
->cset_attr
[0] = ATTR_ASCII
;
1683 case ANSI('0', '('):
1684 compatibility(VT100
);
1685 if (!cfg
.no_remote_charset
)
1686 term
->cset_attr
[0] = ATTR_LINEDRW
;
1688 case ANSI('U', '('):
1689 compatibility(OTHER
);
1690 if (!cfg
.no_remote_charset
)
1691 term
->cset_attr
[0] = ATTR_SCOACS
;
1694 case ANSI('A', ')'):
1695 compatibility(VT100
);
1696 if (!cfg
.no_remote_charset
)
1697 term
->cset_attr
[1] = ATTR_GBCHR
;
1699 case ANSI('B', ')'):
1700 compatibility(VT100
);
1701 if (!cfg
.no_remote_charset
)
1702 term
->cset_attr
[1] = ATTR_ASCII
;
1704 case ANSI('0', ')'):
1705 compatibility(VT100
);
1706 if (!cfg
.no_remote_charset
)
1707 term
->cset_attr
[1] = ATTR_LINEDRW
;
1709 case ANSI('U', ')'):
1710 compatibility(OTHER
);
1711 if (!cfg
.no_remote_charset
)
1712 term
->cset_attr
[1] = ATTR_SCOACS
;
1715 case ANSI('8', '%'): /* Old Linux code */
1716 case ANSI('G', '%'):
1717 compatibility(OTHER
);
1718 if (!cfg
.no_remote_charset
)
1721 case ANSI('@', '%'):
1722 compatibility(OTHER
);
1723 if (!cfg
.no_remote_charset
)
1729 term
->termstate
= TOPLEVEL
; /* default */
1731 if (term
->esc_nargs
<= ARGS_MAX
) {
1732 if (term
->esc_args
[term
->esc_nargs
- 1] == ARG_DEFAULT
)
1733 term
->esc_args
[term
->esc_nargs
- 1] = 0;
1734 term
->esc_args
[term
->esc_nargs
- 1] =
1735 10 * term
->esc_args
[term
->esc_nargs
- 1] + c
- '0';
1737 term
->termstate
= SEEN_CSI
;
1738 } else if (c
== ';') {
1739 if (++term
->esc_nargs
<= ARGS_MAX
)
1740 term
->esc_args
[term
->esc_nargs
- 1] = ARG_DEFAULT
;
1741 term
->termstate
= SEEN_CSI
;
1742 } else if (c
< '@') {
1743 if (term
->esc_query
)
1744 term
->esc_query
= -1;
1746 term
->esc_query
= TRUE
;
1748 term
->esc_query
= c
;
1749 term
->termstate
= SEEN_CSI
;
1751 switch (ANSI(c
, term
->esc_query
)) {
1752 case 'A': /* move up N lines */
1753 move(term
, term
->curs
.x
,
1754 term
->curs
.y
- def(term
->esc_args
[0], 1), 1);
1755 term
->seen_disp_event
= TRUE
;
1757 case 'e': /* move down N lines */
1758 compatibility(ANSI
);
1761 move(term
, term
->curs
.x
,
1762 term
->curs
.y
+ def(term
->esc_args
[0], 1), 1);
1763 term
->seen_disp_event
= TRUE
;
1765 case ANSI('c', '>'): /* report xterm version */
1766 compatibility(OTHER
);
1767 /* this reports xterm version 136 so that VIM can
1768 use the drag messages from the mouse reporting */
1769 ldisc_send("\033[>0;136;0c", 11, 0);
1771 case 'a': /* move right N cols */
1772 compatibility(ANSI
);
1775 move(term
, term
->curs
.x
+ def(term
->esc_args
[0], 1),
1777 term
->seen_disp_event
= TRUE
;
1779 case 'D': /* move left N cols */
1780 move(term
, term
->curs
.x
- def(term
->esc_args
[0], 1),
1782 term
->seen_disp_event
= TRUE
;
1784 case 'E': /* move down N lines and CR */
1785 compatibility(ANSI
);
1787 term
->curs
.y
+ def(term
->esc_args
[0], 1), 1);
1788 term
->seen_disp_event
= TRUE
;
1790 case 'F': /* move up N lines and CR */
1791 compatibility(ANSI
);
1793 term
->curs
.y
- def(term
->esc_args
[0], 1), 1);
1794 term
->seen_disp_event
= TRUE
;
1797 case '`': /* set horizontal posn */
1798 compatibility(ANSI
);
1799 move(term
, def(term
->esc_args
[0], 1) - 1,
1801 term
->seen_disp_event
= TRUE
;
1803 case 'd': /* set vertical posn */
1804 compatibility(ANSI
);
1805 move(term
, term
->curs
.x
,
1806 ((term
->dec_om ? term
->marg_t
: 0) +
1807 def(term
->esc_args
[0], 1) - 1),
1808 (term
->dec_om ?
2 : 0));
1809 term
->seen_disp_event
= TRUE
;
1812 case 'f': /* set horz and vert posns at once */
1813 if (term
->esc_nargs
< 2)
1814 term
->esc_args
[1] = ARG_DEFAULT
;
1815 move(term
, def(term
->esc_args
[1], 1) - 1,
1816 ((term
->dec_om ? term
->marg_t
: 0) +
1817 def(term
->esc_args
[0], 1) - 1),
1818 (term
->dec_om ?
2 : 0));
1819 term
->seen_disp_event
= TRUE
;
1821 case 'J': /* erase screen or parts of it */
1823 unsigned int i
= def(term
->esc_args
[0], 0) + 1;
1826 erase_lots(term
, FALSE
, !!(i
& 2), !!(i
& 1));
1829 term
->seen_disp_event
= TRUE
;
1831 case 'K': /* erase line or parts of it */
1833 unsigned int i
= def(term
->esc_args
[0], 0) + 1;
1836 erase_lots(term
, TRUE
, !!(i
& 2), !!(i
& 1));
1838 term
->seen_disp_event
= TRUE
;
1840 case 'L': /* insert lines */
1841 compatibility(VT102
);
1842 if (term
->curs
.y
<= term
->marg_b
)
1843 scroll(term
, term
->curs
.y
, term
->marg_b
,
1844 -def(term
->esc_args
[0], 1), FALSE
);
1846 term
->seen_disp_event
= TRUE
;
1848 case 'M': /* delete lines */
1849 compatibility(VT102
);
1850 if (term
->curs
.y
<= term
->marg_b
)
1851 scroll(term
, term
->curs
.y
, term
->marg_b
,
1852 def(term
->esc_args
[0], 1),
1855 term
->seen_disp_event
= TRUE
;
1857 case '@': /* insert chars */
1858 /* XXX VTTEST says this is vt220, vt510 manual says vt102 */
1859 compatibility(VT102
);
1860 insch(term
, def(term
->esc_args
[0], 1));
1861 term
->seen_disp_event
= TRUE
;
1863 case 'P': /* delete chars */
1864 compatibility(VT102
);
1865 insch(term
, -def(term
->esc_args
[0], 1));
1866 term
->seen_disp_event
= TRUE
;
1868 case 'c': /* terminal type query */
1869 compatibility(VT100
);
1870 /* This is the response for a VT102 */
1871 ldisc_send(term
->id_string
,
1872 strlen(term
->id_string
), 0);
1874 case 'n': /* cursor position query */
1875 if (term
->esc_args
[0] == 6) {
1877 sprintf(buf
, "\033[%d;%dR", term
->curs
.y
+ 1,
1879 ldisc_send(buf
, strlen(buf
), 0);
1880 } else if (term
->esc_args
[0] == 5) {
1881 ldisc_send("\033[0n", 4, 0);
1884 case 'h': /* toggle modes to high */
1886 compatibility(VT100
);
1889 for (i
= 0; i
< term
->esc_nargs
; i
++)
1890 toggle_mode(term
, term
->esc_args
[i
],
1891 term
->esc_query
, TRUE
);
1896 compatibility(VT100
);
1898 if (term
->esc_nargs
!= 1) break;
1899 if (term
->esc_args
[0] == 5 && *cfg
.printer
) {
1900 term
->printing
= TRUE
;
1901 term
->only_printing
= !term
->esc_query
;
1902 term
->print_state
= 0;
1903 term_print_setup(term
);
1904 } else if (term
->esc_args
[0] == 4 &&
1906 term_print_finish(term
);
1910 case 'l': /* toggle modes to low */
1912 compatibility(VT100
);
1915 for (i
= 0; i
< term
->esc_nargs
; i
++)
1916 toggle_mode(term
, term
->esc_args
[i
],
1917 term
->esc_query
, FALSE
);
1920 case 'g': /* clear tabs */
1921 compatibility(VT100
);
1922 if (term
->esc_nargs
== 1) {
1923 if (term
->esc_args
[0] == 0) {
1924 term
->tabs
[term
->curs
.x
] = FALSE
;
1925 } else if (term
->esc_args
[0] == 3) {
1927 for (i
= 0; i
< term
->cols
; i
++)
1928 term
->tabs
[i
] = FALSE
;
1932 case 'r': /* set scroll margins */
1933 compatibility(VT100
);
1934 if (term
->esc_nargs
<= 2) {
1936 top
= def(term
->esc_args
[0], 1) - 1;
1937 bot
= (term
->esc_nargs
<= 1
1938 || term
->esc_args
[1] == 0 ?
1940 def(term
->esc_args
[1], term
->rows
)) - 1;
1941 if (bot
>= term
->rows
)
1942 bot
= term
->rows
- 1;
1943 /* VTTEST Bug 9 - if region is less than 2 lines
1944 * don't change region.
1946 if (bot
- top
> 0) {
1951 * I used to think the cursor should be
1952 * placed at the top of the newly marginned
1953 * area. Apparently not: VMS TPU falls over
1956 * Well actually it should for
1959 term
->curs
.y
= (term
->dec_om ?
1962 term
->seen_disp_event
= TRUE
;
1966 case 'm': /* set graphics rendition */
1969 * A VT100 without the AVO only had one
1970 * attribute, either underline or
1971 * reverse video depending on the
1972 * cursor type, this was selected by
1976 * This is sometimes DIM, eg on the
1979 * This is sometimes INVIS various ANSI.
1981 * This like 22 disables BOLD, DIM and INVIS
1983 * The ANSI colours appear on any
1984 * terminal that has colour (obviously)
1985 * but the interaction between sgr0 and
1986 * the colours varies but is usually
1987 * related to the background colour
1988 * erase item. The interaction between
1989 * colour attributes and the mono ones
1990 * is also very implementation
1993 * The 39 and 49 attributes are likely
1994 * to be unimplemented.
1997 for (i
= 0; i
< term
->esc_nargs
; i
++) {
1998 switch (def(term
->esc_args
[i
], 0)) {
1999 case 0: /* restore defaults */
2000 term
->curr_attr
= ATTR_DEFAULT
;
2002 case 1: /* enable bold */
2003 compatibility(VT100AVO
);
2004 term
->curr_attr
|= ATTR_BOLD
;
2006 case 21: /* (enable double underline) */
2007 compatibility(OTHER
);
2008 case 4: /* enable underline */
2009 compatibility(VT100AVO
);
2010 term
->curr_attr
|= ATTR_UNDER
;
2012 case 5: /* enable blink */
2013 compatibility(VT100AVO
);
2014 term
->curr_attr
|= ATTR_BLINK
;
2016 case 7: /* enable reverse video */
2017 term
->curr_attr
|= ATTR_REVERSE
;
2019 case 10: /* SCO acs off */
2020 compatibility(SCOANSI
);
2021 if (cfg
.no_remote_charset
) break;
2022 term
->sco_acs
= 0; break;
2023 case 11: /* SCO acs on */
2024 compatibility(SCOANSI
);
2025 if (cfg
.no_remote_charset
) break;
2026 term
->sco_acs
= 1; break;
2027 case 12: /* SCO acs on flipped */
2028 compatibility(SCOANSI
);
2029 if (cfg
.no_remote_charset
) break;
2030 term
->sco_acs
= 2; break;
2031 case 22: /* disable bold */
2032 compatibility2(OTHER
, VT220
);
2033 term
->curr_attr
&= ~ATTR_BOLD
;
2035 case 24: /* disable underline */
2036 compatibility2(OTHER
, VT220
);
2037 term
->curr_attr
&= ~ATTR_UNDER
;
2039 case 25: /* disable blink */
2040 compatibility2(OTHER
, VT220
);
2041 term
->curr_attr
&= ~ATTR_BLINK
;
2043 case 27: /* disable reverse video */
2044 compatibility2(OTHER
, VT220
);
2045 term
->curr_attr
&= ~ATTR_REVERSE
;
2056 term
->curr_attr
&= ~ATTR_FGMASK
;
2058 (term
->esc_args
[i
] - 30)<<ATTR_FGSHIFT
;
2060 case 39: /* default-foreground */
2061 term
->curr_attr
&= ~ATTR_FGMASK
;
2062 term
->curr_attr
|= ATTR_DEFFG
;
2073 term
->curr_attr
&= ~ATTR_BGMASK
;
2075 (term
->esc_args
[i
] - 40)<<ATTR_BGSHIFT
;
2077 case 49: /* default-background */
2078 term
->curr_attr
&= ~ATTR_BGMASK
;
2079 term
->curr_attr
|= ATTR_DEFBG
;
2084 term
->erase_char
= (' ' | ATTR_ASCII
|
2090 case 's': /* save cursor */
2091 save_cursor(term
, TRUE
);
2093 case 'u': /* restore cursor */
2094 save_cursor(term
, FALSE
);
2095 term
->seen_disp_event
= TRUE
;
2097 case 't': /* set page size - ie window height */
2099 * VT340/VT420 sequence DECSLPP, DEC only allows values
2100 * 24/25/36/48/72/144 other emulators (eg dtterm) use
2101 * illegal values (eg first arg 1..9) for window changing
2104 if (term
->esc_nargs
<= 1
2105 && (term
->esc_args
[0] < 1 ||
2106 term
->esc_args
[0] >= 24)) {
2107 compatibility(VT340TEXT
);
2108 if (!cfg
.no_remote_resize
)
2109 request_resize(term
->cols
,
2110 def(term
->esc_args
[0], 24));
2112 } else if (term
->esc_nargs
>= 1 &&
2113 term
->esc_args
[0] >= 1 &&
2114 term
->esc_args
[0] < 24) {
2115 compatibility(OTHER
);
2117 switch (term
->esc_args
[0]) {
2127 if (term
->esc_nargs
>= 3) {
2128 if (!cfg
.no_remote_resize
)
2129 move_window(def(term
->esc_args
[1], 0),
2130 def(term
->esc_args
[2], 0));
2134 /* We should resize the window to a given
2135 * size in pixels here, but currently our
2136 * resizing code isn't healthy enough to
2140 set_zorder(TRUE
); /* move to top */
2143 set_zorder(FALSE
); /* move to bottom */
2149 if (term
->esc_nargs
>= 3) {
2150 if (!cfg
.no_remote_resize
)
2151 request_resize(def(term
->esc_args
[2], cfg
.width
),
2152 def(term
->esc_args
[1], cfg
.height
));
2156 if (term
->esc_nargs
>= 2)
2157 set_zoomed(term
->esc_args
[1] ?
2161 ldisc_send(is_iconic() ?
"\033[1t" : "\033[2t",
2165 get_window_pos(&x
, &y
);
2166 len
= sprintf(buf
, "\033[3;%d;%dt", x
, y
);
2167 ldisc_send(buf
, len
, 0);
2170 get_window_pixels(&x
, &y
);
2171 len
= sprintf(buf
, "\033[4;%d;%dt", x
, y
);
2172 ldisc_send(buf
, len
, 0);
2175 len
= sprintf(buf
, "\033[8;%d;%dt",
2176 term
->rows
, term
->cols
);
2177 ldisc_send(buf
, len
, 0);
2181 * Hmmm. Strictly speaking we
2182 * should return `the size of the
2183 * screen in characters', but
2184 * that's not easy: (a) window
2185 * furniture being what it is it's
2186 * hard to compute, and (b) in
2187 * resize-font mode maximising the
2188 * window wouldn't change the
2189 * number of characters. *shrug*. I
2190 * think we'll ignore it for the
2191 * moment and see if anyone
2192 * complains, and then ask them
2193 * what they would like it to do.
2197 p
= get_window_title(TRUE
);
2199 ldisc_send("\033]L", 3, 0);
2200 ldisc_send(p
, len
, 0);
2201 ldisc_send("\033\\", 2, 0);
2204 p
= get_window_title(FALSE
);
2206 ldisc_send("\033]l", 3, 0);
2207 ldisc_send(p
, len
, 0);
2208 ldisc_send("\033\\", 2, 0);
2214 compatibility(SCOANSI
);
2215 scroll(term
, term
->marg_t
, term
->marg_b
,
2216 def(term
->esc_args
[0], 1), TRUE
);
2218 term
->wrapnext
= FALSE
;
2219 term
->seen_disp_event
= TRUE
;
2222 compatibility(SCOANSI
);
2223 scroll(term
, term
->marg_t
, term
->marg_b
,
2224 -def(term
->esc_args
[0], 1), TRUE
);
2226 term
->wrapnext
= FALSE
;
2227 term
->seen_disp_event
= TRUE
;
2229 case ANSI('|', '*'):
2230 /* VT420 sequence DECSNLS
2231 * Set number of lines on screen
2232 * VT420 uses VGA like hardware and can support any size in
2233 * reasonable range (24..49 AIUI) with no default specified.
2235 compatibility(VT420
);
2236 if (term
->esc_nargs
== 1 && term
->esc_args
[0] > 0) {
2237 if (!cfg
.no_remote_resize
)
2238 request_resize(term
->cols
,
2239 def(term
->esc_args
[0],
2244 case ANSI('|', '$'):
2245 /* VT340/VT420 sequence DECSCPP
2246 * Set number of columns per page
2247 * Docs imply range is only 80 or 132, but I'll allow any.
2249 compatibility(VT340TEXT
);
2250 if (term
->esc_nargs
<= 1) {
2251 if (!cfg
.no_remote_resize
)
2252 request_resize(def(term
->esc_args
[0],
2253 cfg
.width
), term
->rows
);
2257 case 'X': /* write N spaces w/o moving cursor */
2258 /* XXX VTTEST says this is vt220, vt510 manual says vt100 */
2259 compatibility(ANSIMIN
);
2261 int n
= def(term
->esc_args
[0], 1);
2263 unsigned long *p
= term
->cpos
;
2264 if (n
> term
->cols
- term
->curs
.x
)
2265 n
= term
->cols
- term
->curs
.x
;
2266 cursplus
= term
->curs
;
2268 check_selection(term
, term
->curs
, cursplus
);
2270 *p
++ = term
->erase_char
;
2271 term
->seen_disp_event
= TRUE
;
2274 case 'x': /* report terminal characteristics */
2275 compatibility(VT100
);
2278 int i
= def(term
->esc_args
[0], 0);
2279 if (i
== 0 || i
== 1) {
2280 strcpy(buf
, "\033[2;1;1;112;112;1;0x");
2282 ldisc_send(buf
, 20, 0);
2286 case 'Z': /* BackTab for xterm */
2287 compatibility(OTHER
);
2289 int i
= def(term
->esc_args
[0], 1);
2290 pos old_curs
= term
->curs
;
2292 for(;i
>0 && term
->curs
.x
>0; i
--) {
2295 } while (term
->curs
.x
>0 &&
2296 !term
->tabs
[term
->curs
.x
]);
2299 check_selection(term
, old_curs
, term
->curs
);
2302 case ANSI('L', '='):
2303 compatibility(OTHER
);
2304 term
->use_bce
= (term
->esc_args
[0] <= 0);
2305 term
->erase_char
= ERASE_CHAR
;
2307 term
->erase_char
= (' ' | ATTR_ASCII
|
2309 (ATTR_FGMASK
| ATTR_BGMASK
)));
2311 case ANSI('E', '='):
2312 compatibility(OTHER
);
2313 term
->blink_is_real
= (term
->esc_args
[0] >= 1);
2315 case ANSI('p', '"'):
2317 * Allow the host to make this emulator a
2318 * 'perfect' VT102. This first appeared in
2319 * the VT220, but we do need to get back to
2320 * PuTTY mode so I won't check it.
2322 * The arg in 40..42,50 are a PuTTY extension.
2323 * The 2nd arg, 8bit vs 7bit is not checked.
2325 * Setting VT102 mode should also change
2326 * the Fkeys to generate PF* codes as a
2327 * real VT102 has no Fkeys. The VT220 does
2328 * this, F11..F13 become ESC,BS,LF other
2329 * Fkeys send nothing.
2331 * Note ESC c will NOT change this!
2334 switch (term
->esc_args
[0]) {
2336 term
->compatibility_level
&= ~TM_VTXXX
;
2337 term
->compatibility_level
|= TM_VT102
;
2340 term
->compatibility_level
&= ~TM_VTXXX
;
2341 term
->compatibility_level
|= TM_VT220
;
2345 if (term
->esc_args
[0] > 60 &&
2346 term
->esc_args
[0] < 70)
2347 term
->compatibility_level
|= TM_VTXXX
;
2351 term
->compatibility_level
&= TM_VTXXX
;
2354 term
->compatibility_level
= TM_PUTTY
;
2357 term
->compatibility_level
= TM_SCOANSI
;
2361 term
->compatibility_level
= TM_PUTTY
;
2367 /* Change the response to CSI c */
2368 if (term
->esc_args
[0] == 50) {
2371 strcpy(term
->id_string
, "\033[?");
2372 for (i
= 1; i
< term
->esc_nargs
; i
++) {
2374 strcat(term
->id_string
, ";");
2375 sprintf(lbuf
, "%d", term
->esc_args
[i
]);
2376 strcat(term
->id_string
, lbuf
);
2378 strcat(term
->id_string
, "c");
2381 /* Is this a good idea ?
2382 * Well we should do a soft reset at this point ...
2384 if (!has_compat(VT420
) && has_compat(VT100
)) {
2385 if (!cfg
.no_remote_resize
) {
2386 if (term
->reset_132
)
2387 request_resize(132, 24);
2389 request_resize(80, 24);
2397 term
->osc_w
= FALSE
;
2399 case 'P': /* Linux palette sequence */
2400 term
->termstate
= SEEN_OSC_P
;
2401 term
->osc_strlen
= 0;
2403 case 'R': /* Linux palette reset */
2405 term_invalidate(term
);
2406 term
->termstate
= TOPLEVEL
;
2408 case 'W': /* word-set */
2409 term
->termstate
= SEEN_OSC_W
;
2422 term
->esc_args
[0] = 10 * term
->esc_args
[0] + c
- '0';
2426 * Grotty hack to support xterm and DECterm title
2427 * sequences concurrently.
2429 if (term
->esc_args
[0] == 2) {
2430 term
->esc_args
[0] = 1;
2433 /* else fall through */
2435 term
->termstate
= OSC_STRING
;
2436 term
->osc_strlen
= 0;
2441 * This OSC stuff is EVIL. It takes just one character to get into
2442 * sysline mode and it's not initially obvious how to get out.
2443 * So I've added CR and LF as string aborts.
2444 * This shouldn't effect compatibility as I believe embedded
2445 * control characters are supposed to be interpreted (maybe?)
2446 * and they don't display anything useful anyway.
2450 if (c
== '\n' || c
== '\r') {
2451 term
->termstate
= TOPLEVEL
;
2452 } else if (c
== 0234 || c
== '\007') {
2454 * These characters terminate the string; ST and BEL
2455 * terminate the sequence and trigger instant
2456 * processing of it, whereas ESC goes back to SEEN_ESC
2457 * mode unless it is followed by \, in which case it is
2458 * synonymous with ST in the first place.
2461 term
->termstate
= TOPLEVEL
;
2462 } else if (c
== '\033')
2463 term
->termstate
= OSC_MAYBE_ST
;
2464 else if (term
->osc_strlen
< OSC_STR_MAX
)
2465 term
->osc_string
[term
->osc_strlen
++] = c
;
2469 int max
= (term
->osc_strlen
== 0 ?
21 : 16);
2471 if (c
>= '0' && c
<= '9')
2473 else if (c
>= 'A' && c
<= 'A' + max
- 10)
2475 else if (c
>= 'a' && c
<= 'a' + max
- 10)
2478 term
->termstate
= TOPLEVEL
;
2481 term
->osc_string
[term
->osc_strlen
++] = val
;
2482 if (term
->osc_strlen
>= 7) {
2483 palette_set(term
->osc_string
[0],
2484 term
->osc_string
[1] * 16 + term
->osc_string
[2],
2485 term
->osc_string
[3] * 16 + term
->osc_string
[4],
2486 term
->osc_string
[5] * 16 + term
->osc_string
[6]);
2487 term_invalidate(term
);
2488 term
->termstate
= TOPLEVEL
;
2504 term
->esc_args
[0] = 10 * term
->esc_args
[0] + c
- '0';
2507 term
->termstate
= OSC_STRING
;
2508 term
->osc_strlen
= 0;
2512 term
->termstate
= TOPLEVEL
;
2513 term
->seen_disp_event
= TRUE
;
2516 move(term
, term
->curs
.x
, term
->curs
.y
- 1, 1);
2519 move(term
, term
->curs
.x
, term
->curs
.y
+ 1, 1);
2522 move(term
, term
->curs
.x
+ 1, term
->curs
.y
, 1);
2525 move(term
, term
->curs
.x
- 1, term
->curs
.y
, 1);
2528 * From the VT100 Manual
2529 * NOTE: The special graphics characters in the VT100
2530 * are different from those in the VT52
2532 * From VT102 manual:
2533 * 137 _ Blank - Same
2534 * 140 ` Reserved - Humm.
2535 * 141 a Solid rectangle - Similar
2536 * 142 b 1/ - Top half of fraction for the
2537 * 143 c 3/ - subscript numbers below.
2540 * 146 f Degrees - Same
2541 * 147 g Plus or minus - Same
2543 * 151 i Ellipsis (dots)
2546 * 154 l Bar at scan 0
2547 * 155 m Bar at scan 1
2548 * 156 n Bar at scan 2
2549 * 157 o Bar at scan 3 - Similar
2550 * 160 p Bar at scan 4 - Similar
2551 * 161 q Bar at scan 5 - Similar
2552 * 162 r Bar at scan 6 - Same
2553 * 163 s Bar at scan 7 - Similar
2568 term
->cset_attr
[term
->cset
= 0] = ATTR_LINEDRW
;
2571 term
->cset_attr
[term
->cset
= 0] = ATTR_ASCII
;
2574 move(term
, 0, 0, 0);
2577 if (term
->curs
.y
== 0)
2578 scroll(term
, 0, term
->rows
- 1, -1, TRUE
);
2579 else if (term
->curs
.y
> 0)
2582 term
->wrapnext
= FALSE
;
2585 erase_lots(term
, FALSE
, FALSE
, TRUE
);
2589 erase_lots(term
, TRUE
, FALSE
, TRUE
);
2593 /* XXX Print cursor line */
2596 /* XXX Start controller mode */
2599 /* XXX Stop controller mode */
2603 term
->termstate
= VT52_Y1
;
2606 ldisc_send("\033/Z", 3, 0);
2609 term
->app_keypad_keys
= TRUE
;
2612 term
->app_keypad_keys
= FALSE
;
2615 /* XXX This should switch to VT100 mode not current or default
2616 * VT mode. But this will only have effect in a VT220+
2619 term
->vt52_mode
= FALSE
;
2620 term
->blink_is_real
= cfg
.blinktext
;
2624 /* XXX Enter auto print mode */
2627 /* XXX Exit auto print mode */
2630 /* XXX Print screen */
2636 /* compatibility(ATARI) */
2637 move(term
, 0, 0, 0);
2638 erase_lots(term
, FALSE
, FALSE
, TRUE
);
2642 /* compatibility(ATARI) */
2643 if (term
->curs
.y
<= term
->marg_b
)
2644 scroll(term
, term
->curs
.y
, term
->marg_b
, -1, FALSE
);
2647 /* compatibility(ATARI) */
2648 if (term
->curs
.y
<= term
->marg_b
)
2649 scroll(term
, term
->curs
.y
, term
->marg_b
, 1, TRUE
);
2652 /* compatibility(ATARI) */
2653 term
->termstate
= VT52_FG
;
2656 /* compatibility(ATARI) */
2657 term
->termstate
= VT52_BG
;
2660 /* compatibility(ATARI) */
2661 erase_lots(term
, FALSE
, TRUE
, FALSE
);
2665 /* compatibility(ATARI) */
2666 term
->cursor_on
= TRUE
;
2669 /* compatibility(ATARI) */
2670 term
->cursor_on
= FALSE
;
2672 /* case 'j': Save cursor position - broken on ST */
2673 /* case 'k': Restore cursor position */
2675 /* compatibility(ATARI) */
2676 erase_lots(term
, TRUE
, TRUE
, TRUE
);
2678 term
->wrapnext
= FALSE
;
2682 /* compatibility(ATARI) */
2683 erase_lots(term
, TRUE
, TRUE
, FALSE
);
2686 /* compatibility(ATARI) */
2687 term
->curr_attr
|= ATTR_REVERSE
;
2690 /* compatibility(ATARI) */
2691 term
->curr_attr
&= ~ATTR_REVERSE
;
2693 case 'v': /* wrap Autowrap on - Wyse style */
2694 /* compatibility(ATARI) */
2697 case 'w': /* Autowrap off */
2698 /* compatibility(ATARI) */
2703 /* compatibility(OTHER) */
2704 term
->vt52_bold
= FALSE
;
2705 term
->curr_attr
= ATTR_DEFAULT
;
2707 term
->erase_char
= (' ' | ATTR_ASCII
|
2709 (ATTR_FGMASK
| ATTR_BGMASK
)));
2712 /* compatibility(VI50) */
2713 term
->curr_attr
|= ATTR_UNDER
;
2716 /* compatibility(VI50) */
2717 term
->curr_attr
&= ~ATTR_UNDER
;
2720 /* compatibility(VI50) */
2721 term
->vt52_bold
= TRUE
;
2722 term
->curr_attr
|= ATTR_BOLD
;
2725 /* compatibility(VI50) */
2726 term
->vt52_bold
= FALSE
;
2727 term
->curr_attr
&= ~ATTR_BOLD
;
2733 term
->termstate
= VT52_Y2
;
2734 move(term
, term
->curs
.x
, c
- ' ', 0);
2737 term
->termstate
= TOPLEVEL
;
2738 move(term
, c
- ' ', term
->curs
.y
, 0);
2743 term
->termstate
= TOPLEVEL
;
2744 term
->curr_attr
&= ~ATTR_FGMASK
;
2745 term
->curr_attr
&= ~ATTR_BOLD
;
2746 term
->curr_attr
|= (c
& 0x7) << ATTR_FGSHIFT
;
2747 if ((c
& 0x8) || term
->vt52_bold
)
2748 term
->curr_attr
|= ATTR_BOLD
;
2751 term
->erase_char
= (' ' | ATTR_ASCII
|
2753 (ATTR_FGMASK
| ATTR_BGMASK
)));
2756 term
->termstate
= TOPLEVEL
;
2757 term
->curr_attr
&= ~ATTR_BGMASK
;
2758 term
->curr_attr
&= ~ATTR_BLINK
;
2759 term
->curr_attr
|= (c
& 0x7) << ATTR_BGSHIFT
;
2761 /* Note: bold background */
2763 term
->curr_attr
|= ATTR_BLINK
;
2766 term
->erase_char
= (' ' | ATTR_ASCII
|
2768 (ATTR_FGMASK
| ATTR_BGMASK
)));
2771 default: break; /* placate gcc warning about enum use */
2773 if (term
->selstate
!= NO_SELECTION
) {
2774 pos cursplus
= term
->curs
;
2776 check_selection(term
, term
->curs
, cursplus
);
2780 term_print_flush(term
);
2785 * Compare two lines to determine whether they are sufficiently
2786 * alike to scroll-optimise one to the other. Return the degree of
2789 static int linecmp(Terminal
*term
, unsigned long *a
, unsigned long *b
)
2793 for (i
= n
= 0; i
< term
->cols
; i
++)
2794 n
+= (*a
++ == *b
++);
2800 * Given a context, update the window. Out of paranoia, we don't
2801 * allow WM_PAINT responses to do scrolling optimisations.
2803 static void do_paint(Terminal
*term
, Context ctx
, int may_optimise
)
2805 int i
, j
, our_curs_y
;
2806 unsigned long rv
, cursor
;
2809 long cursor_background
= ERASE_CHAR
;
2810 unsigned long ticks
;
2813 * Check the visual bell state.
2815 if (term
->in_vbell
) {
2816 ticks
= GETTICKCOUNT();
2817 if (ticks
- term
->vbell_startpoint
>= VBELL_TIMEOUT
)
2818 term
->in_vbell
= FALSE
;
2821 rv
= (!term
->rvideo
^ !term
->in_vbell ? ATTR_REVERSE
: 0);
2824 * screen array, disptop, scrtop,
2826 * cfg.blinkpc, blink_is_real, tblinker,
2827 * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext
2830 /* Has the cursor position or type changed ? */
2831 if (term
->cursor_on
) {
2832 if (term
->has_focus
) {
2833 if (term
->blinker
|| !cfg
.blink_cur
)
2834 cursor
= TATTR_ACTCURS
;
2838 cursor
= TATTR_PASCURS
;
2840 cursor
|= TATTR_RIGHTCURS
;
2843 our_curs_y
= term
->curs
.y
- term
->disptop
;
2845 if (term
->dispcurs
&& (term
->curstype
!= cursor
||
2847 term
->disptext
+ our_curs_y
* (term
->cols
+ 1) +
2849 if (term
->dispcurs
> term
->disptext
&&
2850 (*term
->dispcurs
& (CHAR_MASK
| CSET_MASK
)) == UCSWIDE
)
2851 term
->dispcurs
[-1] |= ATTR_INVALID
;
2852 if ( (term
->dispcurs
[1] & (CHAR_MASK
| CSET_MASK
)) == UCSWIDE
)
2853 term
->dispcurs
[1] |= ATTR_INVALID
;
2854 *term
->dispcurs
|= ATTR_INVALID
;
2857 term
->dispcurs
= NULL
;
2859 /* The normal screen data */
2860 for (i
= 0; i
< term
->rows
; i
++) {
2861 unsigned long *ldata
;
2863 int idx
, dirty_line
, dirty_run
, selected
;
2864 unsigned long attr
= 0;
2865 int updated_line
= 0;
2868 int last_run_dirty
= 0;
2870 scrpos
.y
= i
+ term
->disptop
;
2871 ldata
= lineptr(scrpos
.y
);
2872 lattr
= (ldata
[term
->cols
] & LATTR_MODE
);
2874 idx
= i
* (term
->cols
+ 1);
2875 dirty_run
= dirty_line
= (ldata
[term
->cols
] !=
2876 term
->disptext
[idx
+ term
->cols
]);
2877 term
->disptext
[idx
+ term
->cols
] = ldata
[term
->cols
];
2879 for (j
= 0; j
< term
->cols
; j
++, idx
++) {
2880 unsigned long tattr
, tchar
;
2881 unsigned long *d
= ldata
+ j
;
2885 tchar
= (*d
& (CHAR_MASK
| CSET_MASK
));
2886 tattr
= (*d
& (ATTR_MASK
^ CSET_MASK
));
2887 switch (tchar
& CSET_MASK
) {
2889 tchar
= unitab_line
[tchar
& 0xFF];
2892 tchar
= unitab_xterm
[tchar
& 0xFF];
2895 tchar
= unitab_scoacs
[tchar
&0xFF];
2898 tattr
|= (tchar
& CSET_MASK
);
2900 if ((d
[1] & (CHAR_MASK
| CSET_MASK
)) == UCSWIDE
)
2903 /* Video reversing things */
2904 if (term
->selstate
== DRAGGING
|| term
->selstate
== SELECTED
) {
2905 if (term
->seltype
== LEXICOGRAPHIC
)
2906 selected
= (posle(term
->selstart
, scrpos
) &&
2907 poslt(scrpos
, term
->selend
));
2909 selected
= (posPle(term
->selstart
, scrpos
) &&
2910 posPlt(scrpos
, term
->selend
));
2914 ^ (selected ? ATTR_REVERSE
: 0));
2916 /* 'Real' blinking ? */
2917 if (term
->blink_is_real
&& (tattr
& ATTR_BLINK
)) {
2918 if (term
->has_focus
&& term
->tblinker
) {
2920 tattr
&= ~CSET_MASK
;
2923 tattr
&= ~ATTR_BLINK
;
2927 * Check the font we'll _probably_ be using to see if
2928 * the character is wide when we don't want it to be.
2930 if ((tchar
| tattr
) != (term
->disptext
[idx
]& ~ATTR_NARROW
)) {
2931 if ((tattr
& ATTR_WIDE
) == 0 &&
2932 CharWidth(ctx
, (tchar
| tattr
) & 0xFFFF) == 2)
2933 tattr
|= ATTR_NARROW
;
2934 } else if (term
->disptext
[idx
]&ATTR_NARROW
)
2935 tattr
|= ATTR_NARROW
;
2937 /* Cursor here ? Save the 'background' */
2938 if (i
== our_curs_y
&& j
== term
->curs
.x
) {
2939 cursor_background
= tattr
| tchar
;
2940 term
->dispcurs
= term
->disptext
+ idx
;
2943 if ((term
->disptext
[idx
] ^ tattr
) & ATTR_WIDE
)
2946 break_run
= (tattr
!= attr
|| j
- start
>= sizeof(ch
));
2948 /* Special hack for VT100 Linedraw glyphs */
2949 if ((attr
& CSET_MASK
) == 0x2300 && tchar
>= 0xBA
2950 && tchar
<= 0xBD) break_run
= TRUE
;
2952 if (!dbcs_screenfont
&& !dirty_line
) {
2953 if ((tchar
| tattr
) == term
->disptext
[idx
])
2955 else if (!dirty_run
&& ccount
== 1)
2960 if ((dirty_run
|| last_run_dirty
) && ccount
> 0) {
2961 do_text(ctx
, start
, i
, ch
, ccount
, attr
, lattr
);
2967 if (dbcs_screenfont
)
2968 last_run_dirty
= dirty_run
;
2969 dirty_run
= dirty_line
;
2972 if ((tchar
| tattr
) != term
->disptext
[idx
])
2974 ch
[ccount
++] = (char) tchar
;
2975 term
->disptext
[idx
] = tchar
| tattr
;
2977 /* If it's a wide char step along to the next one. */
2978 if (tattr
& ATTR_WIDE
) {
2979 if (++j
< term
->cols
) {
2982 /* Cursor is here ? Ouch! */
2983 if (i
== our_curs_y
&& j
== term
->curs
.x
) {
2984 cursor_background
= *d
;
2985 term
->dispcurs
= term
->disptext
+ idx
;
2987 if (term
->disptext
[idx
] != *d
)
2989 term
->disptext
[idx
] = *d
;
2993 if (dirty_run
&& ccount
> 0) {
2994 do_text(ctx
, start
, i
, ch
, ccount
, attr
, lattr
);
2998 /* Cursor on this line ? (and changed) */
2999 if (i
== our_curs_y
&& (term
->curstype
!= cursor
|| updated_line
)) {
3000 ch
[0] = (char) (cursor_background
& CHAR_MASK
);
3001 attr
= (cursor_background
& ATTR_MASK
) | cursor
;
3002 do_cursor(ctx
, term
->curs
.x
, i
, ch
, 1, attr
, lattr
);
3003 term
->curstype
= cursor
;
3009 * Flick the switch that says if blinking things should be shown or hidden.
3012 void term_blink(Terminal
*term
, int flg
)
3014 long now
, blink_diff
;
3016 now
= GETTICKCOUNT();
3017 blink_diff
= now
- term
->last_tblink
;
3019 /* Make sure the text blinks no more than 2Hz; we'll use 0.45 s period. */
3020 if (blink_diff
< 0 || blink_diff
> (TICKSPERSEC
* 9 / 20)) {
3021 term
->last_tblink
= now
;
3022 term
->tblinker
= !term
->tblinker
;
3027 term
->last_blink
= now
;
3031 blink_diff
= now
- term
->last_blink
;
3033 /* Make sure the cursor blinks no faster than system blink rate */
3034 if (blink_diff
>= 0 && blink_diff
< (long) CURSORBLINK
)
3037 term
->last_blink
= now
;
3038 term
->blinker
= !term
->blinker
;
3042 * Invalidate the whole screen so it will be repainted in full.
3044 void term_invalidate(Terminal
*term
)
3048 for (i
= 0; i
< term
->rows
* (term
->cols
+ 1); i
++)
3049 term
->disptext
[i
] = ATTR_INVALID
;
3053 * Paint the window in response to a WM_PAINT message.
3055 void term_paint(Terminal
*term
, Context ctx
,
3056 int left
, int top
, int right
, int bottom
)
3059 if (left
< 0) left
= 0;
3060 if (top
< 0) top
= 0;
3061 if (right
>= term
->cols
) right
= term
->cols
-1;
3062 if (bottom
>= term
->rows
) bottom
= term
->rows
-1;
3064 for (i
= top
; i
<= bottom
&& i
< term
->rows
; i
++) {
3065 if ((term
->disptext
[i
* (term
->cols
+ 1) + term
->cols
] &
3066 LATTR_MODE
) == LATTR_NORM
)
3067 for (j
= left
; j
<= right
&& j
< term
->cols
; j
++)
3068 term
->disptext
[i
* (term
->cols
+ 1) + j
] = ATTR_INVALID
;
3070 for (j
= left
/ 2; j
<= right
/ 2 + 1 && j
< term
->cols
; j
++)
3071 term
->disptext
[i
* (term
->cols
+ 1) + j
] = ATTR_INVALID
;
3074 /* This should happen soon enough, also for some reason it sometimes
3075 * fails to actually do anything when re-sizing ... painting the wrong
3079 do_paint (term
, ctx
, FALSE
);
3083 * Attempt to scroll the scrollback. The second parameter gives the
3084 * position we want to scroll to; the first is +1 to denote that
3085 * this position is relative to the beginning of the scrollback, -1
3086 * to denote it is relative to the end, and 0 to denote that it is
3087 * relative to the current position.
3089 void term_scroll(Terminal
*term
, int rel
, int where
)
3091 int sbtop
= -count234(term
->scrollback
);
3093 term
->disptop
= (rel
< 0 ?
0 : rel
> 0 ? sbtop
: term
->disptop
) + where
;
3094 if (term
->disptop
< sbtop
)
3095 term
->disptop
= sbtop
;
3096 if (term
->disptop
> 0)
3102 static void clipme(Terminal
*term
, pos top
, pos bottom
, int rect
)
3105 wchar_t *wbptr
; /* where next char goes within workbuf */
3107 int wblen
= 0; /* workbuf len */
3108 int buflen
; /* amount of memory allocated to workbuf */
3110 buflen
= 5120; /* Default size */
3111 workbuf
= smalloc(buflen
* sizeof(wchar_t));
3112 wbptr
= workbuf
; /* start filling here */
3113 old_top_x
= top
.x
; /* needed for rect==1 */
3115 while (poslt(top
, bottom
)) {
3117 unsigned long *ldata
= lineptr(top
.y
);
3121 * nlpos will point at the maximum position on this line we
3122 * should copy up to. So we start it at the end of the
3126 nlpos
.x
= term
->cols
;
3129 * ... move it backwards if there's unused space at the end
3130 * of the line (and also set `nl' if this is the case,
3131 * because in normal selection mode this means we need a
3132 * newline at the end)...
3134 if (!(ldata
[term
->cols
] & LATTR_WRAPPED
)) {
3135 while (((ldata
[nlpos
.x
- 1] & 0xFF) == 0x20 ||
3136 (DIRECT_CHAR(ldata
[nlpos
.x
- 1]) &&
3137 (ldata
[nlpos
.x
- 1] & CHAR_MASK
) == 0x20))
3138 && poslt(top
, nlpos
))
3140 if (poslt(nlpos
, bottom
))
3145 * ... and then clip it to the terminal x coordinate if
3146 * we're doing rectangular selection. (In this case we
3147 * still did the above, so that copying e.g. the right-hand
3148 * column from a table doesn't fill with spaces on the
3152 if (nlpos
.x
> bottom
.x
)
3154 nl
= (top
.y
< bottom
.y
);
3157 while (poslt(top
, bottom
) && poslt(top
, nlpos
)) {
3160 sprintf(cbuf
, "<U+%04x>", (ldata
[top
.x
] & 0xFFFF));
3162 wchar_t cbuf
[16], *p
;
3163 int uc
= (ldata
[top
.x
] & 0xFFFF);
3166 if (uc
== UCSWIDE
) {
3171 switch (uc
& CSET_MASK
) {
3174 uc
= unitab_xterm
[uc
& 0xFF];
3178 uc
= unitab_line
[uc
& 0xFF];
3181 uc
= unitab_scoacs
[uc
&0xFF];
3184 switch (uc
& CSET_MASK
) {
3186 uc
= unitab_font
[uc
& 0xFF];
3189 uc
= unitab_oemcp
[uc
& 0xFF];
3193 set
= (uc
& CSET_MASK
);
3194 c
= (uc
& CHAR_MASK
);
3198 if (DIRECT_FONT(uc
)) {
3199 if (c
>= ' ' && c
!= 0x7F) {
3200 unsigned char buf
[4];
3203 if (is_dbcs_leadbyte(font_codepage
, (BYTE
) c
)) {
3205 buf
[1] = (unsigned char) ldata
[top
.x
+ 1];
3206 rv
= mb_to_wc(font_codepage
, 0, buf
, 2, wbuf
, 4);
3210 rv
= mb_to_wc(font_codepage
, 0, buf
, 1, wbuf
, 4);
3214 memcpy(cbuf
, wbuf
, rv
* sizeof(wchar_t));
3221 for (p
= cbuf
; *p
; p
++) {
3222 /* Enough overhead for trailing NL and nul */
3223 if (wblen
>= buflen
- 16) {
3226 sizeof(wchar_t) * (buflen
+= 100));
3227 wbptr
= workbuf
+ wblen
;
3236 for (i
= 0; i
< sel_nl_sz
; i
++) {
3238 *wbptr
++ = sel_nl
[i
];
3242 top
.x
= rect ? old_top_x
: 0;
3244 #if SELECTION_NUL_TERMINATED
3248 write_clip(workbuf
, wblen
, FALSE
); /* transfer to clipboard */
3249 if (buflen
> 0) /* indicates we allocated this buffer */
3253 void term_copyall(Terminal
*term
)
3256 top
.y
= -count234(term
->scrollback
);
3258 clipme(term
, top
, term
->curs
, 0);
3262 * The wordness array is mainly for deciding the disposition of the
3263 * US-ASCII characters.
3265 static int wordtype(Terminal
*term
, int uc
)
3268 int start
, end
, ctype
;
3269 } *wptr
, ucs_words
[] = {
3275 0x037e, 0x037e, 1}, /* Greek question mark */
3277 0x0387, 0x0387, 1}, /* Greek ano teleia */
3279 0x055a, 0x055f, 1}, /* Armenian punctuation */
3281 0x0589, 0x0589, 1}, /* Armenian full stop */
3283 0x0700, 0x070d, 1}, /* Syriac punctuation */
3285 0x104a, 0x104f, 1}, /* Myanmar punctuation */
3287 0x10fb, 0x10fb, 1}, /* Georgian punctuation */
3289 0x1361, 0x1368, 1}, /* Ethiopic punctuation */
3291 0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */
3293 0x17d4, 0x17dc, 1}, /* Khmer punctuation */
3295 0x1800, 0x180a, 1}, /* Mongolian punctuation */
3297 0x2000, 0x200a, 0}, /* Various spaces */
3299 0x2070, 0x207f, 2}, /* superscript */
3301 0x2080, 0x208f, 2}, /* subscript */
3303 0x200b, 0x27ff, 1}, /* punctuation and symbols */
3305 0x3000, 0x3000, 0}, /* ideographic space */
3307 0x3001, 0x3020, 1}, /* ideographic punctuation */
3309 0x303f, 0x309f, 3}, /* Hiragana */
3311 0x30a0, 0x30ff, 3}, /* Katakana */
3313 0x3300, 0x9fff, 3}, /* CJK Ideographs */
3315 0xac00, 0xd7a3, 3}, /* Hangul Syllables */
3317 0xf900, 0xfaff, 3}, /* CJK Ideographs */
3319 0xfe30, 0xfe6b, 1}, /* punctuation forms */
3321 0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */
3323 0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */
3325 0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */
3327 0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */
3329 0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */
3334 uc
&= (CSET_MASK
| CHAR_MASK
);
3336 switch (uc
& CSET_MASK
) {
3338 uc
= unitab_xterm
[uc
& 0xFF];
3341 uc
= unitab_line
[uc
& 0xFF];
3344 uc
= unitab_scoacs
[uc
&0xFF];
3347 switch (uc
& CSET_MASK
) {
3349 uc
= unitab_font
[uc
& 0xFF];
3352 uc
= unitab_oemcp
[uc
& 0xFF];
3356 /* For DBCS font's I can't do anything usefull. Even this will sometimes
3357 * fail as there's such a thing as a double width space. :-(
3359 if (dbcs_screenfont
&& font_codepage
== line_codepage
)
3363 return term
->wordness
[uc
];
3365 for (wptr
= ucs_words
; wptr
->start
; wptr
++) {
3366 if (uc
>= wptr
->start
&& uc
<= wptr
->end
)
3374 * Spread the selection outwards according to the selection mode.
3376 static pos
sel_spread_half(Terminal
*term
, pos p
, int dir
)
3378 unsigned long *ldata
;
3380 int topy
= -count234(term
->scrollback
);
3382 ldata
= lineptr(p
.y
);
3384 switch (term
->selmode
) {
3387 * In this mode, every character is a separate unit, except
3388 * for runs of spaces at the end of a non-wrapping line.
3390 if (!(ldata
[term
->cols
] & LATTR_WRAPPED
)) {
3391 unsigned long *q
= ldata
+ term
->cols
;
3392 while (q
> ldata
&& (q
[-1] & CHAR_MASK
) == 0x20)
3394 if (q
== ldata
+ term
->cols
)
3396 if (p
.x
>= q
- ldata
)
3397 p
.x
= (dir
== -1 ? q
- ldata
: term
->cols
- 1);
3402 * In this mode, the units are maximal runs of characters
3403 * whose `wordness' has the same value.
3405 wvalue
= wordtype(term
, ldata
[p
.x
]);
3408 if (p
.x
< term
->cols
-1) {
3409 if (wordtype(term
, ldata
[p
.x
+ 1]) == wvalue
)
3414 if (ldata
[term
->cols
] & LATTR_WRAPPED
) {
3415 unsigned long *ldata2
;
3416 ldata2
= lineptr(p
.y
+1);
3417 if (wordtype(term
, ldata2
[0]) == wvalue
) {
3430 if (wordtype(term
, ldata
[p
.x
- 1]) == wvalue
)
3435 unsigned long *ldata2
;
3438 ldata2
= lineptr(p
.y
-1);
3439 if ((ldata2
[term
->cols
] & LATTR_WRAPPED
) &&
3440 wordtype(term
, ldata2
[term
->cols
-1]) == wvalue
) {
3452 * In this mode, every line is a unit.
3454 p
.x
= (dir
== -1 ?
0 : term
->cols
- 1);
3460 static void sel_spread(Terminal
*term
)
3462 if (term
->seltype
== LEXICOGRAPHIC
) {
3463 term
->selstart
= sel_spread_half(term
, term
->selstart
, -1);
3464 decpos(term
->selend
);
3465 term
->selend
= sel_spread_half(term
, term
->selend
, +1);
3466 incpos(term
->selend
);
3470 void term_do_paste(Terminal
*term
)
3475 get_clip(&data
, &len
);
3476 if (data
&& len
> 0) {
3479 term_seen_key_event(term
); /* pasted data counts */
3481 if (term
->paste_buffer
)
3482 sfree(term
->paste_buffer
);
3483 term
->paste_pos
= term
->paste_hold
= term
->paste_len
= 0;
3484 term
->paste_buffer
= smalloc(len
* sizeof(wchar_t));
3487 while (p
< data
+ len
) {
3488 while (p
< data
+ len
&&
3489 !(p
<= data
+ len
- sel_nl_sz
&&
3490 !memcmp(p
, sel_nl
, sizeof(sel_nl
))))
3495 for (i
= 0; i
< p
- q
; i
++) {
3496 term
->paste_buffer
[term
->paste_len
++] = q
[i
];
3500 if (p
<= data
+ len
- sel_nl_sz
&&
3501 !memcmp(p
, sel_nl
, sizeof(sel_nl
))) {
3502 term
->paste_buffer
[term
->paste_len
++] = '\r';
3508 /* Assume a small paste will be OK in one go. */
3509 if (term
->paste_len
< 256) {
3510 luni_send(term
->paste_buffer
, term
->paste_len
, 0);
3511 if (term
->paste_buffer
)
3512 sfree(term
->paste_buffer
);
3513 term
->paste_buffer
= 0;
3514 term
->paste_pos
= term
->paste_hold
= term
->paste_len
= 0;
3517 get_clip(NULL
, NULL
);
3520 void term_mouse(Terminal
*term
, Mouse_Button b
, Mouse_Action a
, int x
, int y
,
3521 int shift
, int ctrl
, int alt
)
3524 unsigned long *ldata
;
3525 int raw_mouse
= (term
->xterm_mouse
&&
3526 !cfg
.no_mouse_rep
&&
3527 !(cfg
.mouse_override
&& shift
));
3528 int default_seltype
;
3532 if (a
== MA_DRAG
&& !raw_mouse
)
3533 term_scroll(term
, 0, -1);
3535 if (y
>= term
->rows
) {
3537 if (a
== MA_DRAG
&& !raw_mouse
)
3538 term_scroll(term
, 0, +1);
3547 if (x
>= term
->cols
)
3550 selpoint
.y
= y
+ term
->disptop
;
3552 ldata
= lineptr(selpoint
.y
);
3553 if ((ldata
[term
->cols
] & LATTR_MODE
) != LATTR_NORM
)
3557 int encstate
= 0, r
, c
;
3559 static int is_down
= 0;
3563 encstate
= 0x20; /* left button down */
3574 case MBT_WHEEL_DOWN
:
3577 default: break; /* placate gcc warning about enum use */
3581 if (term
->xterm_mouse
== 1)
3594 default: break; /* placate gcc warning about enum use */
3603 sprintf(abuf
, "\033[M%c%c%c", encstate
, c
, r
);
3604 ldisc_send(abuf
, 6, 0);
3608 b
= translate_button(b
);
3611 * Set the selection type (rectangular or normal) at the start
3612 * of a selection attempt, from the state of Alt.
3614 if (!alt
^ !cfg
.rect_select
)
3615 default_seltype
= RECTANGULAR
;
3617 default_seltype
= LEXICOGRAPHIC
;
3619 if (term
->selstate
== NO_SELECTION
) {
3620 term
->seltype
= default_seltype
;
3623 if (b
== MBT_SELECT
&& a
== MA_CLICK
) {
3625 term
->selstate
= ABOUT_TO
;
3626 term
->seltype
= default_seltype
;
3627 term
->selanchor
= selpoint
;
3628 term
->selmode
= SM_CHAR
;
3629 } else if (b
== MBT_SELECT
&& (a
== MA_2CLK
|| a
== MA_3CLK
)) {
3631 term
->selmode
= (a
== MA_2CLK ? SM_WORD
: SM_LINE
);
3632 term
->selstate
= DRAGGING
;
3633 term
->selstart
= term
->selanchor
= selpoint
;
3634 term
->selend
= term
->selstart
;
3635 incpos(term
->selend
);
3637 } else if ((b
== MBT_SELECT
&& a
== MA_DRAG
) ||
3638 (b
== MBT_EXTEND
&& a
!= MA_RELEASE
)) {
3639 if (term
->selstate
== ABOUT_TO
&& poseq(term
->selanchor
, selpoint
))
3641 if (b
== MBT_EXTEND
&& a
!= MA_DRAG
&& term
->selstate
== SELECTED
) {
3642 if (term
->seltype
== LEXICOGRAPHIC
) {
3644 * For normal selection, we extend by moving
3645 * whichever end of the current selection is closer
3648 if (posdiff(selpoint
, term
->selstart
) <
3649 posdiff(term
->selend
, term
->selstart
) / 2) {
3650 term
->selanchor
= term
->selend
;
3651 decpos(term
->selanchor
);
3653 term
->selanchor
= term
->selstart
;
3657 * For rectangular selection, we have a choice of
3658 * _four_ places to put selanchor and selpoint: the
3659 * four corners of the selection.
3661 if (2*selpoint
.x
< term
->selstart
.x
+ term
->selend
.x
)
3662 term
->selanchor
.x
= term
->selend
.x
-1;
3664 term
->selanchor
.x
= term
->selstart
.x
;
3666 if (2*selpoint
.y
< term
->selstart
.y
+ term
->selend
.y
)
3667 term
->selanchor
.y
= term
->selend
.y
;
3669 term
->selanchor
.y
= term
->selstart
.y
;
3671 term
->selstate
= DRAGGING
;
3673 if (term
->selstate
!= ABOUT_TO
&& term
->selstate
!= DRAGGING
)
3674 term
->selanchor
= selpoint
;
3675 term
->selstate
= DRAGGING
;
3676 if (term
->seltype
== LEXICOGRAPHIC
) {
3678 * For normal selection, we set (selstart,selend) to
3679 * (selpoint,selanchor) in some order.
3681 if (poslt(selpoint
, term
->selanchor
)) {
3682 term
->selstart
= selpoint
;
3683 term
->selend
= term
->selanchor
;
3684 incpos(term
->selend
);
3686 term
->selstart
= term
->selanchor
;
3687 term
->selend
= selpoint
;
3688 incpos(term
->selend
);
3692 * For rectangular selection, we may need to
3693 * interchange x and y coordinates (if the user has
3694 * dragged in the -x and +y directions, or vice versa).
3696 term
->selstart
.x
= min(term
->selanchor
.x
, selpoint
.x
);
3697 term
->selend
.x
= 1+max(term
->selanchor
.x
, selpoint
.x
);
3698 term
->selstart
.y
= min(term
->selanchor
.y
, selpoint
.y
);
3699 term
->selend
.y
= max(term
->selanchor
.y
, selpoint
.y
);
3702 } else if ((b
== MBT_SELECT
|| b
== MBT_EXTEND
) && a
== MA_RELEASE
) {
3703 if (term
->selstate
== DRAGGING
) {
3705 * We've completed a selection. We now transfer the
3706 * data to the clipboard.
3708 clipme(term
, term
->selstart
, term
->selend
,
3709 (term
->seltype
== RECTANGULAR
));
3710 term
->selstate
= SELECTED
;
3712 term
->selstate
= NO_SELECTION
;
3713 } else if (b
== MBT_PASTE
3715 #if MULTICLICK_ONLY_EVENT
3716 || a
== MA_2CLK
|| a
== MA_3CLK
3725 void term_nopaste(Terminal
*term
)
3727 if (term
->paste_len
== 0)
3729 sfree(term
->paste_buffer
);
3730 term
->paste_buffer
= NULL
;
3731 term
->paste_len
= 0;
3734 int term_paste_pending(Terminal
*term
)
3736 return term
->paste_len
!= 0;
3739 void term_paste(Terminal
*term
)
3741 long now
, paste_diff
;
3743 if (term
->paste_len
== 0)
3746 /* Don't wait forever to paste */
3747 if (term
->paste_hold
) {
3748 now
= GETTICKCOUNT();
3749 paste_diff
= now
- term
->last_paste
;
3750 if (paste_diff
>= 0 && paste_diff
< 450)
3753 term
->paste_hold
= 0;
3755 while (term
->paste_pos
< term
->paste_len
) {
3757 while (n
+ term
->paste_pos
< term
->paste_len
) {
3758 if (term
->paste_buffer
[term
->paste_pos
+ n
++] == '\r')
3761 luni_send(term
->paste_buffer
+ term
->paste_pos
, n
, 0);
3762 term
->paste_pos
+= n
;
3764 if (term
->paste_pos
< term
->paste_len
) {
3765 term
->paste_hold
= 1;
3769 sfree(term
->paste_buffer
);
3770 term
->paste_buffer
= NULL
;
3771 term
->paste_len
= 0;
3774 static void deselect(Terminal
*term
)
3776 term
->selstate
= NO_SELECTION
;
3777 term
->selstart
.x
= term
->selstart
.y
= term
->selend
.x
= term
->selend
.y
= 0;
3780 void term_deselect(Terminal
*term
)
3786 int term_ldisc(Terminal
*term
, int option
)
3788 if (option
== LD_ECHO
)
3789 return term
->term_echoing
;
3790 if (option
== LD_EDIT
)
3791 return term
->term_editing
;
3796 * from_backend(), to get data from the backend for the terminal.
3798 int from_backend(void *vterm
, int is_stderr
, char *data
, int len
)
3800 Terminal
*term
= (Terminal
*)vterm
;
3804 bufchain_add(&term
->inbuf
, data
, len
);
3807 * term_out() always completely empties inbuf. Therefore,
3808 * there's no reason at all to return anything other than zero
3809 * from this function, because there _can't_ be a question of
3810 * the remote side needing to wait until term_out() has cleared
3813 * This is a slightly suboptimal way to deal with SSH2 - in
3814 * principle, the window mechanism would allow us to continue
3815 * to accept data on forwarded ports and X connections even
3816 * while the terminal processing was going slowly - but we
3817 * can't do the 100% right thing without moving the terminal
3818 * processing into a separate thread, and that might hurt
3819 * portability. So we manage stdout buffering the old SSH1 way:
3820 * if the terminal processing goes slowly, the whole SSH
3821 * connection stops accepting data until it's ready.
3823 * In practice, I can't imagine this causing serious trouble.