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Comparing rxvt-unicode/src/command.C (file contents):
Revision 1.6 by pcg, Tue Nov 25 17:11:33 2003 UTC vs.
Revision 1.601 by sf-exg, Sat May 6 06:47:29 2023 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: command.c 2 * File: command.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.6 2003/11/25 17:11:33 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications 9 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> 10 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing 11 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu> 12 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for 13 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions. 14 * DEC "private mode" save/restore functions.
… …
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es> 20 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x 21 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x 22 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 23 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 24 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications 25 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org> 26 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas 27 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options) 28 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org> 29 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
30 * Copyright (c) 2003-2021 Marc Lehmann <schmorp@schmorp.de>
31 * Copyright (c) 2007,2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
31 * 32 *
32 * This program is free software; you can redistribute it and/or modify 33 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by 34 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or 35 * the Free Software Foundation; either version 3 of the License, or
35 * (at your option) any later version. 36 * (at your option) any later version.
36 * 37 *
37 * This program is distributed in the hope that it will be useful, 38 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of 39 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
43 * along with this program; if not, write to the Free Software 44 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 45 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/ 46 *----------------------------------------------------------------------*/
46 47
47/*{{{ includes: */ 48/*{{{ includes: */
48#include "../config.h" /* NECESSARY */ 49#include "../config.h"
49#include "rxvt.h" /* NECESSARY */ 50#include "rxvt.h"
51#include "rxvtperl.h"
50#include "version.h" 52#include "version.h"
51#include "command.h" 53#include "command.h"
52 54
55#ifdef KEYSYM_RESOURCE
56# include "keyboard.h"
57#endif
58
59#include <signal.h>
60
61#if LINUX_YIELD_HACK
62# include <time.h>
63#endif
64
53/*----------------------------------------------------------------------*/ 65/*----------------------------------------------------------------------*/
54 66
55/*{{{ Convert the keypress event into a string */ 67#define IS_CONTROL(ch) !((ch) & 0xffffff60UL)
56/* INTPROTO */ 68
57void 69#if ENABLE_FRILLS || ISO_14755
58rxvt_lookup_key(pR_ XKeyEvent *ev) 70
71#define ISO_14755_STARTED 0x80000000UL
72#define ISO_14755_51 0x40000000UL // basic (section 5.1)
73#define ISO_14755_52 0x20000000UL // keycap (section 5.2)
74#define ISO_14755_54 0x10000000UL // code feedback (section 5.4)
75#define ISO_14755_MASK 0x0fffffffUL
76
77#if ISO_14755
78static unsigned short iso14755_symtab[] = {
79 // keysym, unicode
80 XK_Left, 0x2190,
81 XK_KP_Left, 0x2190,
82 XK_Up, 0x2191,
83 XK_KP_Up, 0x2191,
84 XK_Right, 0x2192,
85 XK_KP_Right, 0x2192,
86 XK_Down, 0x2193,
87 XK_KP_Down, 0x2193,
88 XK_Linefeed, 0x21b4,
89 XK_Return, 0x21b5,
90 XK_KP_Enter, 0x21b5,
91
92 XK_Prior, 0x21de,
93 XK_Next, 0x21df,
94 XK_Tab, 0x21e5,
95 XK_ISO_Left_Tab, 0x21e6,
96 XK_Shift_L, 0x21e7,
97 XK_Shift_R, 0x21e7,
98
99 XK_Shift_Lock, 0x21eb,
100 XK_ISO_Lock, 0x21eb,
101 XK_Caps_Lock, 0x21ec,
102 XK_Num_Lock, 0x21ed,
103 XK_ISO_Level3_Shift, 0x21ee,
104 XK_ISO_Level3_Lock, 0x21ef,
105 XK_ISO_Group_Lock, 0x21f0,
106 XK_Home, 0x21f1,
107 XK_End, 0x21f2,
108
109 XK_Execute, 0x2318,
110 XK_Begin, 0x2320,
111 XK_Delete, 0x2326,
112 XK_Clear, 0x2327,
113 XK_BackSpace, 0x232b,
114 XK_Insert, 0x2380,
115 XK_Control_L, 0x2388,
116 XK_Control_R, 0x2388,
117 XK_Pause, 0x2389,
118 XK_Break, 0x238a,
119 XK_Escape, 0x238b,
120 XK_Undo, 0x238c,
121 XK_Print, 0x2399,
122
123 XK_space, 0x2423,
124
125#ifdef XK_KP_Begin
126 XK_KP_Prior, 0x21de,
127 XK_KP_Next, 0x21df,
128 XK_KP_Begin, 0x2320,
129 XK_KP_Insert, 0x2380,
130 XK_KP_Delete, 0x2326,
131 XK_KP_Space, 0x2422,
132#endif
133 0,
134};
135
136void ecb_cold
137rxvt_term::iso14755_54 (int x, int y)
59{ 138{
60 int ctrl, meta, shft, len; 139 x = Pixel2Col (x);
61 unsigned int newlen; 140 y = Pixel2Row (y);
62 KeySym keysym; 141
63#ifdef DEBUG_CMD 142 if (!IN_RANGE_EXC (x, 0, ncol)
64 static int debug_key = 1; /* accessible by a debugger only */ 143 || !IN_RANGE_EXC (y, 0, nrow))
144 return;
145
146 for (;;)
147 {
148 const line_t &l = ROW(y + view_start);
149
150 text_t t = l.t[x];
151
152 if (t != NOCHAR || !x)
153 {
154 iso14755_51 (l.t[x], l.r[x], x, y, view_start);
155 iso14755buf = ISO_14755_54;
156 break;
157 }
158
159 x--;
160 }
161}
162
163void ecb_cold
164rxvt_term::iso14755_51 (unicode_t ch, rend_t r, int x, int y, int y2)
165{
166 rxvt_fontset *fs = FONTSET (r);
167 wchar_t *chr, *alloc, ch2, **fname;
168 int len;
169
170# if ENABLE_COMBINING
171 if (IS_COMPOSE (ch))
172 {
173 len = rxvt_composite.expand (ch);
174 alloc = chr = new wchar_t[len];
175 rxvt_composite.expand (ch, chr);
176 }
177 else
65#endif 178# endif
66#ifdef USE_XIM 179 {
67 int valid_keysym; 180 ch2 = ch;
181
182 alloc = 0;
183 chr = &ch2;
184 len = 1;
185 }
186
187 char rowcol[40];
188 snprintf (rowcol, sizeof rowcol, "col %d row %d @%d", x, y, y2);
189
190 char attr[80]; // plenty
191
192 sprintf (attr, "%08x = fg %d bg %d%s%s%s%s%s%s",
193 (int)r,
194 fgcolor_of (r), bgcolor_of (r),
195 r & RS_Bold ? " bold" : "",
196 r & RS_Italic ? " italic" : "",
197 r & RS_Blink ? " blink" : "",
198 r & RS_RVid ? " rvid" : "",
199 r & RS_Uline ? " uline" : "",
200 r & RS_Careful ? " careful" : "");
201
202 int width = 0;
203 fname = rxvt_temp_buf<wchar_t *> (len);
204 for (int i = 0; i < len; i++)
205 {
206 rxvt_font *f = (*fs)[fs->find_font_idx (chr[i])];
207 fname[i] = rxvt_utf8towcs (f->name);
208 max_it (width, wcswidth (fname[i], wcslen (fname[i])));
209 }
210
211 max_it (width, strlen (attr));
212
213 if (y >= 0)
214 {
215 y = (y >= nrow - len - 5 && x < width + 2) ? 0 : -1;
216 x = 0;
217 }
218
219 scr_overlay_new (x, y, width, len * 2 + 2);
220
221 scr_overlay_set (0, 0, rowcol);
222
223 r = SET_STYLE (OVERLAY_RSTYLE, GET_STYLE (r));
224
225 for (int y = 0; y < len; y++)
226 {
227 char buf[9];
228
229 ch = *chr++;
230
231 sprintf (buf, "%8x", ch);
232 scr_overlay_set (0, y + 1, buf);
233 scr_overlay_set (9, y + 1, '=');
234# if !UNICODE_3
235 if (ch >= 0x10000)
236 ch = 0xfffd;
68#endif 237# endif
69 unsigned char *kbuf = R->kbuf; 238 scr_overlay_set (11, y + 1, ch, r);
70 239
71/* 240 if (WCWIDTH (ch) >= 2)
241 scr_overlay_set (12, y + 1, NOCHAR, r);
242 }
243
244// {
245// char buf[4+4+3+1];
246// snprintf (buf, sizeof (buf), "(%.4d|%.4d)", x, y);
247// scr_overlay_set (0, 0, buf);
248// }
249 scr_overlay_set (0, len + 1, attr);
250 for (int i = 0; i < len; i++)
251 {
252 scr_overlay_set (0, len + 2 + i, fname[i]);
253 free (fname[i]);
254 }
255
256# if ENABLE_COMBINING
257 if (alloc)
258 delete [] alloc;
259# endif
260}
261#endif
262
263void ecb_cold
264rxvt_term::commit_iso14755 ()
265{
266 wchar_t ch = iso14755buf & ISO_14755_MASK;
267
268 if (iso14755buf & ISO_14755_51)
269 {
270 char mb[MB_LEN_MAX];
271 int len;
272
273 // allow verbatim 0-bytes and control-bytes to be entered
274 if (ch >= 0x20)
275 len = wctomb (mb, ch);
276 else
277 {
278 mb[0] = ch;
279 len = 1;
280 }
281
282 if (len > 0)
283 tt_write (mb, len);
284 else
285 scr_bell ();
286 }
287
288 iso14755buf = 0;
289}
290
291static int ecb_cold
292hex_keyval (XKeyEvent &ev)
293{
294 // check whether this event corresponds to a hex digit
295 // if the modifiers had not been pressed.
296 for (int index = 0; index < 8; index++)
297 {
298 KeySym k = XLookupKeysym (&ev, index);
299
300 if (k >= XK_KP_0 && k <= XK_KP_9) return k - XK_KP_0;
301 else if (k >= XK_0 && k <= XK_9) return k - XK_0;
302 else if (k >= XK_a && k <= XK_f) return k - XK_a + 10;
303 else if (k >= XK_A && k <= XK_F) return k - XK_A + 10;
304 }
305
306 return -1;
307}
308#endif
309
310static inline KeySym ecb_cold
311translate_keypad (KeySym keysym, bool kp)
312{
313#ifdef XK_KP_Home
314 static const KeySym keypadtrans[] = {
315 XK_KP_7, // XK_KP_Home
316 XK_KP_4, // XK_KP_Left
317 XK_KP_8, // XK_KP_Up
318 XK_KP_6, // XK_KP_Right
319 XK_KP_2, // XK_KP_Down
320 XK_KP_9, // XK_KP_Prior
321 XK_KP_3, // XK_KP_Next
322 XK_KP_1, // XK_KP_End
323 XK_KP_5, // XK_KP_Begin
324 };
325
326 if (IN_RANGE_INC (keysym, XK_KP_Home, XK_KP_Begin))
327 {
328 unsigned int index = keysym - XK_KP_Home;
329 keysym = kp ? keypadtrans[index] : XK_Home + index;
330 }
331 else if (keysym == XK_KP_Insert)
332 keysym = kp ? XK_KP_0 : XK_Insert;
333# ifndef NO_DELETE_KEY
334 else if (keysym == XK_KP_Delete)
335 keysym = kp ? XK_KP_Decimal : XK_Delete;
336# endif
337#endif
338 return keysym;
339}
340
341static inline int ecb_cold
342map_function_key (KeySym keysym)
343{
344 int param = 0;
345
346 if (IN_RANGE_INC (keysym, XK_F1, XK_F35))
347 {
348 param = 11 + keysym - XK_F1;
349 if (keysym >= XK_F17)
350 param += 4;
351 else if (keysym >= XK_F15)
352 param += 3;
353 else if (keysym >= XK_F11)
354 param += 2;
355 else if (keysym >= XK_F6)
356 param += 1;
357 }
358 else
359 switch (keysym)
360 {
361 case XK_Find:
362 param = 1;
363 break;
364 case XK_Insert:
365 param = 2;
366 break;
367#ifdef DXK_Remove
368 case DXK_Remove:
369#endif
370 case XK_Execute:
371 param = 3;
372 break;
373 case XK_Select:
374 param = 4;
375 break;
376 case XK_Prior:
377 param = 5;
378 break;
379 case XK_Next:
380 param = 6;
381 break;
382 case XK_Home:
383 param = 7;
384 break;
385 case XK_End:
386 param = 8;
387 break;
388 case XK_Help:
389 param = 28;
390 break;
391 case XK_Menu:
392 param = 29;
393 break;
394 }
395 return param;
396}
397
398static inline wchar_t *
399rxvt_wcsdup (const wchar_t *str, int len)
400{
401 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
402 memcpy (r, str, len * sizeof (wchar_t));
403 r[len] = 0;
404 return r;
405}
406
407void ecb_cold
408rxvt_term::key_press (XKeyEvent &ev)
409{
410 int ctrl, meta, shft, len;
411 KeySym keysym = NoSymbol;
412 char rkbuf[KBUFSZ + 1];
413 char *kbuf = rkbuf + 1;
414
415#if ISO_14755
416 if (iso14755buf & ISO_14755_52)
417 return;
418#endif
419
420 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an 421 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad. 422 * escape sequence to toggle the Keypad.
74 * 423 *
75 * Always permit `shift' to override the current setting 424 * Always permit `shift' to override the current setting
76 */ 425 */
77 shft = (ev->state & ShiftMask); 426 shft = ev.state & ShiftMask;
78 ctrl = (ev->state & ControlMask); 427 ctrl = ev.state & ControlMask;
79 meta = (ev->state & R->ModMetaMask); 428 meta = ev.state & ModMetaMask;
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) { 429
81 R->numlock_state = (ev->state & R->ModNumLockMask); 430 kbuf[0] = 0;
82 PrivMode((!R->numlock_state), PrivMode_aplKP); 431
83 }
84#ifdef USE_XIM 432#if USE_XIM
85 if (R->Input_Context != NULL) { 433 if (Input_Context)
86 Status status_return; 434 {
435 Status status_return;
87 436
88 kbuf[0] = '\0'; 437#if 0
89#ifdef X_HAVE_UTF8_STRING 438#ifdef X_HAVE_UTF8_STRING
439 if (enc_utf8 && 0) // currently disabled, doesn't seem to work, nor is useful
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf, 440 len = Xutf8LookupString (Input_Context, &ev, kbuf,
91 KBUFSZ, &keysym, &status_return); 441 KBUFSZ, &keysym, &status_return);
442 else
443#endif
444#endif
445 {
446 wchar_t wkbuf[KBUFSZ + 1];
447
448 // the XOpenIM manpage lies about hardcoding the locale
449 // at the point of XOpenIM, so temporarily switch locales
450 if (rs[Rs_imLocale])
451 SET_LOCALE (rs[Rs_imLocale]);
452
453 // assume wchar_t == unicode or better
454 len = XwcLookupString (Input_Context, &ev, wkbuf,
455 KBUFSZ, &keysym, &status_return);
456
457 if (rs[Rs_imLocale])
458 SET_LOCALE (locale);
459
460 if (status_return == XLookupChars
461 || status_return == XLookupBoth)
462 {
463 /* make sure the user can type ctrl-@, i.e. NUL */
464 if (len == 1 && *wkbuf == 0)
465 {
466 kbuf[0] = 0;
467 len = 1;
468 }
469 else
470 {
471 wkbuf[len] = 0;
472 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
473 if (len < 0)
474 len = 0;
475 }
476 }
477 else
478 len = 0;
479 }
480 }
481 else
482#endif
483 {
484 len = XLookupString (&ev, kbuf, KBUFSZ, &keysym, &compose);
485 }
486
487 if (keysym != NoSymbol)
488 {
489 KeySym orig_keysym = keysym;
490
491 /* Shift + F1 - F10 generates F11 - F20 */
492 if (shft && keysym >= XK_F1 && keysym <= XK_F10)
493 {
494 keysym += (XK_F11 - XK_F1);
495 shft = 0; /* turn off Shift */
496 }
497
498 if (keysym >= 0xFF00 && keysym <= 0xFFFF)
499 {
500 bool kp = priv_modes & PrivMode_aplKP ? !shft : shft;
501 unsigned int newlen = 1;
502
503 if (ev.state & ModNumLockMask)
504 kp = false;
505
506 keysym = translate_keypad (keysym, kp);
507
508 switch (keysym)
509 {
510#ifndef NO_BACKSPACE_KEY
511 case XK_BackSpace:
512 if (priv_modes & PrivMode_HaveBackSpace)
513 {
514 kbuf[0] = (!! (priv_modes & PrivMode_BackSpace)
515 ^ !!ctrl) ? '\b' : '\177';
516 kbuf[1] = '\0';
517 }
518 else
519 strcpy (kbuf, rs[Rs_backspace_key]);
520 break;
521#endif
522#ifndef NO_DELETE_KEY
523 case XK_Delete:
524 strcpy (kbuf, rs[Rs_delete_key]);
525 break;
526#endif
527 case XK_Tab:
528 if (shft)
529 strcpy (kbuf, "\033[Z");
530 else
531 {
532#ifdef CTRL_TAB_MAKES_META
533 if (ctrl)
534 meta = 1;
535#endif
536#ifdef MOD4_TAB_MAKES_META
537 if (ev.state & Mod4Mask)
538 meta = 1;
539#endif
540 newlen = 0;
541 }
542 break;
543
544 case XK_Up: /* "\033[A" */
545 case XK_Down: /* "\033[B" */
546 case XK_Right: /* "\033[C" */
547 case XK_Left: /* "\033[D" */
548 strcpy (kbuf, "\033[Z");
549 kbuf[2] = "DACB"[keysym - XK_Left];
550 /* do Shift first */
551 if (shft)
552 kbuf[2] = "dacb"[keysym - XK_Left];
553 else if (ctrl)
554 {
555 kbuf[1] = 'O';
556 kbuf[2] = "dacb"[keysym - XK_Left];
557 }
558 else if (priv_modes & PrivMode_aplCUR)
559 kbuf[1] = 'O';
560 break;
561
562 case XK_KP_Enter:
563 /* allow shift to override */
564 if (kp)
565 {
566 strcpy (kbuf, "\033OM");
567 break;
568 }
569
570 /* FALLTHROUGH */
571
572 case XK_Return:
573 if (priv_modes & PrivMode_LFNL)
574 {
575 kbuf[0] = '\015';
576 kbuf[1] = '\012';
577 kbuf[2] = '\0';
578 }
579 else
580 {
581 kbuf[0] = '\015';
582 kbuf[1] = '\0';
583 }
584 break;
585
586 case XK_KP_F1: /* "\033OP" */
587 case XK_KP_F2: /* "\033OQ" */
588 case XK_KP_F3: /* "\033OR" */
589 case XK_KP_F4: /* "\033OS" */
590 strcpy (kbuf, "\033OP");
591 kbuf[2] += (keysym - XK_KP_F1);
592 break;
593
594 case XK_KP_Multiply: /* "\033Oj" : "*" */
595 case XK_KP_Add: /* "\033Ok" : "+" */
596 case XK_KP_Separator: /* "\033Ol" : "," */
597 case XK_KP_Subtract: /* "\033Om" : "-" */
598 case XK_KP_Decimal: /* "\033On" : "." */
599 case XK_KP_Divide: /* "\033Oo" : "/" */
600 case XK_KP_0: /* "\033Op" : "0" */
601 case XK_KP_1: /* "\033Oq" : "1" */
602 case XK_KP_2: /* "\033Or" : "2" */
603 case XK_KP_3: /* "\033Os" : "3" */
604 case XK_KP_4: /* "\033Ot" : "4" */
605 case XK_KP_5: /* "\033Ou" : "5" */
606 case XK_KP_6: /* "\033Ov" : "6" */
607 case XK_KP_7: /* "\033Ow" : "7" */
608 case XK_KP_8: /* "\033Ox" : "8" */
609 case XK_KP_9: /* "\033Oy" : "9" */
610 /* allow shift to override */
611 if (kp)
612 {
613 strcpy (kbuf, "\033Oj");
614 kbuf[2] += (keysym - XK_KP_Multiply);
615 }
616 else
617 {
618 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
619 kbuf[1] = '\0';
620 }
621 break;
622
623 default:
624 {
625 int param = map_function_key (keysym);
626 if (param > 0)
627 sprintf (kbuf,"\033[%d~", param);
628 else
629 newlen = 0;
630 }
631 break;
632 }
633
634 if (newlen)
635 len = strlen (kbuf);
636
637 if (len > 0)
638 {
639 /*
640 * pass Shift/Control indicators for function keys ending with `~'
641 *
642 * eg,
643 * Prior = "ESC[5~"
644 * Shift+Prior = "ESC[5$"
645 * Ctrl+Prior = "ESC[5^"
646 * Ctrl+Shift+Prior = "ESC[5@"
647 */
648 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
649 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
650
651 /*
652 * Pass meta for all function keys, if 'meta' option set
653 */
654#ifdef META8_OPTION
655 if (meta && (meta_char == 0x80))
656 kbuf[len - 1] |= 0x80;
657#endif
658 }
659
660 }
661 else if (ctrl && keysym == XK_minus)
662 {
663 len = 1;
664 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
665 }
666 else if (keysym == XK_ISO_Left_Tab)
667 {
668 strcpy (kbuf, "\033[Z");
669 len = 3;
670 }
671 else
672 {
673#ifdef META8_OPTION
674 /* set 8-bit on */
675 if (meta && (meta_char == 0x80))
676 {
677 char *ch;
678
679 for (ch = kbuf; ch < kbuf + len; ch++)
680 *ch |= 0x80;
681 }
682#endif
683 /* nil */ ;
684 }
685
686 keysym = orig_keysym;
687 }
688
689 /* escape prefix */
690 if (len && meta
691#ifdef META8_OPTION
692 && meta_char == C0_ESC
693#endif
694 )
695 {
696 *--kbuf = C0_ESC;
697 len++;
698 }
699
700 if (HOOK_INVOKE ((this, HOOK_KEY_PRESS, DT_XEVENT, &ev, DT_INT, keysym, DT_STR_LEN, kbuf, len, DT_END)))
701 return;
702
703 if (keysym != NoSymbol)
704 {
705#ifdef KEYSYM_RESOURCE
706 if (keyboard->dispatch (this, keysym, ev.state, kbuf, len))
707 return;
708#endif
709
710 if (saveLines)
711 {
712#ifdef UNSHIFTED_SCROLLKEYS
713 if (!ctrl && !meta)
92#else 714#else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf, 715 if (IS_SCROLL_MOD)
94 KBUFSZ, &keysym, &status_return);
95#endif 716#endif
96 valid_keysym = ((status_return == XLookupKeySym) 717 {
97 || (status_return == XLookupBoth)); 718 int lnsppg;
98 } else {
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
100 &R->compose);
101 valid_keysym = 1;
102 }
103#else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->compose);
106/*
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
109 */
110 if (!len) {
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
113 kbuf[1] = '\0';
114 len = 1;
115 } else
116 kbuf[0] = '\0';
117 }
118#endif /* USE_XIM */
119 719
120#ifdef USE_XIM 720#ifdef PAGING_CONTEXT_LINES
121 if (valid_keysym) 721 lnsppg = nrow - PAGING_CONTEXT_LINES;
122#endif
123 {
124/* for some backwards compatibility */
125#if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
126# ifdef HOTKEY_CTRL
127 if (ctrl) {
128# else 722#else
129 if (meta) { 723 lnsppg = nrow * 4 / 5;
724#endif
725 max_it (lnsppg, 1);
726
727 if (keysym == XK_Prior)
728 {
729 scr_page (lnsppg);
730 return;
731 }
732 else if (keysym == XK_Next)
733 {
734 scr_page (-lnsppg);
735 return;
736 }
737 }
738#ifdef SCROLL_ON_UPDOWN_KEYS
739 if (IS_SCROLL_MOD)
740 {
741 if (keysym == XK_Up)
742 {
743 scr_page (1);
744 return;
745 }
746 else if (keysym == XK_Down)
747 {
748 scr_page (-1);
749 return;
750 }
751 }
752#endif
753#ifdef SCROLL_ON_HOMEEND_KEYS
754 if (IS_SCROLL_MOD)
755 {
756 if (keysym == XK_Home)
757 {
758 scr_changeview (top_row);
759 return;
760 }
761 else if (keysym == XK_End)
762 {
763 scr_changeview (0);
764 return;
765 }
766 }
767#endif
768 }
769
770 if (shft)
771 {
772 if (!ctrl && !meta && (priv_modes & PrivMode_ShiftKeys))
773 {
774 switch (keysym)
775 {
776 /* normal XTerm key bindings */
777 case XK_Insert: /* Shift+Insert = paste mouse selection */
778 selection_request (ev.time);
779 return;
780#if TODO
781 /* rxvt extras */
782 case XK_KP_Add: /* Shift+KP_Add = bigger font */
783 return;
784 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
785 return;
786#endif
787 }
788 }
789 }
790
791 if (ctrl && meta && (keysym == XK_c || keysym == XK_v))
792 {
793 if (keysym == XK_v)
794 selection_request (ev.time, Sel_Clipboard);
795 else if (selection.len > 0)
796 {
797 free (selection.clip_text);
798 selection.clip_text = rxvt_wcsdup (selection.text, selection.len);
799 selection.clip_len = selection.len;
800 selection_grab (CurrentTime, true);
801 }
802
803 return;
804 }
805
806#if ENABLE_FRILLS || ISO_14755
807 // ISO 14755 support
808 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_51))
809 {
810 int hv;
811
812 if (iso14755buf & ISO_14755_51
813 && (keysym == XK_space || keysym == XK_KP_Space
814 || keysym == XK_Return || keysym == XK_KP_Enter))
815 {
816 commit_iso14755 ();
817 iso14755buf = ISO_14755_51;
818# if ISO_14755
819 iso14755_51 (0);
130# endif 820# endif
131 if (keysym == R->ks_bigfont) { 821 return;
132 rxvt_change_font(aR_ 0, FONT_UP); 822 }
133 return; 823 else if (keysym == XK_BackSpace)
134 } else if (keysym == R->ks_smallfont) { 824 {
135 rxvt_change_font(aR_ 0, FONT_DN); 825 iso14755buf = ((iso14755buf & ISO_14755_MASK) >> 4) | ISO_14755_51;
136 return; 826# if ISO_14755
137 } 827 iso14755_51 (iso14755buf & ISO_14755_MASK);
138 }
139#endif
140
141 if (R->TermWin.saveLines) {
142#ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
144#else
145 if (IS_SCROLL_MOD) {
146#endif
147 int lnsppg;
148
149#ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
151#else
152 lnsppg = R->TermWin.nrow * 4 / 5;
153#endif
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
156 return;
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
159 return;
160 }
161 }
162#ifdef SCROLL_ON_UPDOWN_KEYS
163 if (IS_SCROLL_MOD) {
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
166 return;
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
169 return;
170 }
171 }
172#endif
173#ifdef SCROLL_ON_HOMEEND_KEYS
174 if (IS_SCROLL_MOD) {
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
177 return;
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
180 return;
181 }
182 }
183#endif
184 }
185
186 if (shft) {
187 /* Shift + F1 - F10 generates F11 - F20 */
188 if (keysym >= XK_F1 && keysym <= XK_F10) {
189 keysym += (XK_F11 - XK_F1);
190 shft = 0; /* turn off Shift */
191 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
192 switch (keysym) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
196 return;
197 /* rxvt extras */
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
200 return;
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
203 return;
204 }
205 }
206 }
207#ifdef PRINTPIPE
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
210 return;
211 }
212#endif
213#ifdef GREEK_SUPPORT
214 if (keysym == R->ks_greekmodeswith) {
215 R->greek_mode = !R->greek_mode;
216 if (R->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
220 greek_reset();
221 } else
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
223 return;
224 }
225#endif
226
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228#ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
230 unsigned int l;
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
233
234 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239# ifdef META8_OPTION
240 if (R->meta_char == C0_ESC)
241# endif 828# endif
242 rxvt_tt_write(aR_ &ch, 1); 829 return;
243 rxvt_tt_write(aR_ kbuf0, l); 830 }
244 return; 831 else if ((hv = hex_keyval (ev)) >= 0)
245 } else 832 {
246#endif 833 iso14755buf = ((iso14755buf << 4) & ISO_14755_MASK)
247 { 834 | hv | ISO_14755_51;
248 newlen = 1; 835# if ISO_14755
249 switch (keysym) { 836 iso14755_51 (iso14755buf & ISO_14755_MASK);
250#ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->key_backspace);
258# ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
260 int col, row;
261
262 newlen = STRLEN(kbuf);
263 col = R->screen.cur.col - 1;
264 row = R->screen.cur.row + R->TermWin.saveLines;
265 if (IS_MULTI2(R->screen.rend[row][col]))
266 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
267 }
268# endif 837# endif
269 break;
270#endif
271#ifndef NO_DELETE_KEY
272 case XK_Delete:
273 STRCPY(kbuf, R->key_delete);
274# ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
276 int col, row;
277
278 newlen = STRLEN(kbuf);
279 col = R->screen.cur.col;
280 row = R->screen.cur.row + R->TermWin.saveLines;
281 if (IS_MULTI1(R->screen.rend[row][col]))
282 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
283 }
284# endif
285 break;
286#endif
287 case XK_Tab:
288 if (shft)
289 STRCPY(kbuf, "\033[Z");
290 else {
291#ifdef CTRL_TAB_MAKES_META
292 if (ctrl)
293 meta = 1;
294#endif
295#ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
297 meta = 1;
298#endif
299 newlen = 0;
300 }
301 break;
302
303
304#ifdef XK_KP_Left
305 case XK_KP_Up: /* \033Ox or standard */
306 case XK_KP_Down: /* \033Or or standard */
307 case XK_KP_Right: /* \033Ov or standard */
308 case XK_KP_Left: /* \033Ot or standard */
309 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
312 break;
313 } else
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
316 /* FALLTHROUGH */
317#endif
318 case XK_Up: /* "\033[A" */
319 case XK_Down: /* "\033[B" */
320 case XK_Right: /* "\033[C" */
321 case XK_Left: /* "\033[D" */
322 STRCPY(kbuf, "\033[Z");
323 kbuf[2] = ("DACB"[keysym - XK_Left]);
324 /* do Shift first */
325 if (shft)
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
327 else if (ctrl) {
328 kbuf[1] = 'O';
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->PrivateModes & PrivMode_aplCUR)
331 kbuf[1] = 'O';
332#ifdef MULTICHAR_SET
333 //TODO: ??
334 if (R->Options & Opt_mc_hack) {
335 int col, row, m;
336
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
339 m = 0;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
342 m = 1;
343 else if (keysym == XK_Left) {
344 if (col > 0) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
346 m = 1;
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
349 if (col == -1)
350 col = R->TermWin.ncol - 1;
351 else
352 col--;
353 if (col > 0
354 && IS_MULTI2(R->screen.rend[row][col]))
355 m = 1;
356 }
357 }
358 if (m)
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
360 }
361#endif
362 break;
363
364#ifndef UNSHIFTED_SCROLLKEYS
365# ifdef XK_KP_Prior
366 case XK_KP_Prior:
367 /* allow shift to override */
368 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
370 break;
371 }
372 /* FALLTHROUGH */
373# endif
374 case XK_Prior:
375 STRCPY(kbuf, "\033[5~");
376 break;
377# ifdef XK_KP_Next
378 case XK_KP_Next:
379 /* allow shift to override */
380 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
382 break;
383 }
384 /* FALLTHROUGH */
385# endif
386 case XK_Next:
387 STRCPY(kbuf, "\033[6~");
388 break;
389#endif
390 case XK_KP_Enter:
391 /* allow shift to override */
392 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
394 } else {
395 kbuf[0] = '\r';
396 kbuf[1] = '\0';
397 }
398 break;
399
400#ifdef XK_KP_Begin
401 case XK_KP_Begin:
402 STRCPY(kbuf, "\033Ou");
403 break;
404
405 case XK_KP_Insert:
406 STRCPY(kbuf, "\033Op");
407 break;
408
409 case XK_KP_Delete:
410 STRCPY(kbuf, "\033On");
411 break;
412#endif
413 case XK_KP_F1: /* "\033OP" */
414 case XK_KP_F2: /* "\033OQ" */
415 case XK_KP_F3: /* "\033OR" */
416 case XK_KP_F4: /* "\033OS" */
417 STRCPY(kbuf, "\033OP");
418 kbuf[2] += (keysym - XK_KP_F1);
419 break;
420
421 case XK_KP_Multiply: /* "\033Oj" : "*" */
422 case XK_KP_Add: /* "\033Ok" : "+" */
423 case XK_KP_Separator: /* "\033Ol" : "," */
424 case XK_KP_Subtract: /* "\033Om" : "-" */
425 case XK_KP_Decimal: /* "\033On" : "." */
426 case XK_KP_Divide: /* "\033Oo" : "/" */
427 case XK_KP_0: /* "\033Op" : "0" */
428 case XK_KP_1: /* "\033Oq" : "1" */
429 case XK_KP_2: /* "\033Or" : "2" */
430 case XK_KP_3: /* "\033Os" : "3" */
431 case XK_KP_4: /* "\033Ot" : "4" */
432 case XK_KP_5: /* "\033Ou" : "5" */
433 case XK_KP_6: /* "\033Ov" : "6" */
434 case XK_KP_7: /* "\033Ow" : "7" */
435 case XK_KP_8: /* "\033Ox" : "8" */
436 case XK_KP_9: /* "\033Oy" : "9" */
437 /* allow shift to override */
438 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
441 } else {
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
443 kbuf[1] = '\0';
444 }
445 break;
446
447 case XK_Find:
448 STRCPY(kbuf, "\033[1~");
449 break;
450 case XK_Insert:
451 STRCPY(kbuf, "\033[2~");
452 break;
453#ifdef DXK_Remove /* support for DEC remove like key */
454 case DXK_Remove:
455 /* FALLTHROUGH */
456#endif
457 case XK_Execute:
458 STRCPY(kbuf, "\033[3~");
459 break;
460 case XK_Select:
461 STRCPY(kbuf, "\033[4~");
462 break;
463#ifdef XK_KP_End
464 case XK_KP_End:
465 /* allow shift to override */
466 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
468 break;
469 }
470 /* FALLTHROUGH */
471#endif
472 case XK_End:
473 STRCPY(kbuf, KS_END);
474 break;
475#ifdef XK_KP_Home
476 case XK_KP_Home:
477 /* allow shift to override */
478 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
480 break;
481 }
482 /* FALLTHROUGH */
483#endif
484 case XK_Home:
485 STRCPY(kbuf, KS_HOME);
486 break;
487
488#define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
490
491 case XK_F1: /* "\033[11~" */
492 case XK_F2: /* "\033[12~" */
493 case XK_F3: /* "\033[13~" */
494 case XK_F4: /* "\033[14~" */
495 case XK_F5: /* "\033[15~" */
496 FKEY(11, XK_F1);
497 break;
498 case XK_F6: /* "\033[17~" */
499 case XK_F7: /* "\033[18~" */
500 case XK_F8: /* "\033[19~" */
501 case XK_F9: /* "\033[20~" */
502 case XK_F10: /* "\033[21~" */
503 FKEY(17, XK_F6);
504 break;
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
509 FKEY(23, XK_F11);
510 break;
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
513 FKEY(28, XK_F15);
514 break;
515 case XK_Help: /* "\033[28~" */
516 FKEY(28, XK_Help);
517 break;
518 case XK_Menu: /* "\033[29~" */
519 FKEY(29, XK_Menu);
520 break;
521 case XK_F17: /* "\033[31~" */
522 case XK_F18: /* "\033[32~" */
523 case XK_F19: /* "\033[33~" */
524 case XK_F20: /* "\033[34~" */
525 case XK_F21: /* "\033[35~" */
526 case XK_F22: /* "\033[36~" */
527 case XK_F23: /* "\033[37~" */
528 case XK_F24: /* "\033[38~" */
529 case XK_F25: /* "\033[39~" */
530 case XK_F26: /* "\033[40~" */
531 case XK_F27: /* "\033[41~" */
532 case XK_F28: /* "\033[42~" */
533 case XK_F29: /* "\033[43~" */
534 case XK_F30: /* "\033[44~" */
535 case XK_F31: /* "\033[45~" */
536 case XK_F32: /* "\033[46~" */
537 case XK_F33: /* "\033[47~" */
538 case XK_F34: /* "\033[48~" */
539 case XK_F35: /* "\033[49~" */
540 FKEY(31, XK_F17);
541 break;
542#undef FKEY
543 default:
544 newlen = 0;
545 break;
546 }
547 if (newlen)
548 len = STRLEN(kbuf);
549 }
550 /*
551 * Pass meta for all function keys, if 'meta' option set
552 */
553#ifdef META8_OPTION
554 if (meta && (R->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
556#endif
557 } else if (ctrl && keysym == XK_minus) {
558 len = 1;
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
560 } else {
561#ifdef META8_OPTION
562 /* set 8-bit on */
563 if (meta && (R->meta_char == 0x80)) {
564 unsigned char *ch;
565
566 for (ch = kbuf; ch < kbuf + len; ch++)
567 *ch |= 0x80;
568 meta = 0;
569 }
570#endif
571#ifdef GREEK_SUPPORT
572 if (R->greek_mode)
573 len = greek_xlat(kbuf, len);
574#endif
575 /* nil */ ;
576 }
577 }
578
579 if (len <= 0)
580 return; /* not mapped */
581
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->want_refresh = 1;
586 }
587
588/*
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
591 *
592 * eg,
593 * Prior = "ESC[5~"
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
598 */
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
601
602/* escape prefix */
603 if (meta
604#ifdef META8_OPTION
605 && (R->meta_char == C0_ESC)
606#endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 rxvt_tt_write(aR_ &ch, 1);
611 }
612#ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622#endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len);
624}
625/*}}} */
626
627#if (MENUBAR_MAX)
628/*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629/* attempt to `write' count to the input buffer */
630/* EXTPROTO */
631unsigned int
632rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633{
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr;
638
639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
643 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
644 cmdbuf_ptr = cmdbuf_base;
645 cmdbuf_endp -= n;
646 s += n;
647 }
648 if (count > s) {
649 rxvt_print_error("data loss: cmd_write too large");
650 count = s;
651 }
652 for (; count--;)
653 *cmdbuf_endp++ = *str++;
654 R->cmdbuf_ptr = cmdbuf_ptr;
655 R->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657}
658#endif /* MENUBAR_MAX */
659
660void
661rxvt_term::process_x_events ()
662{
663 do
664 {
665 XEvent xev;
666
667 XNextEvent (Xdisplay, &xev);
668
669#if defined(CURSOR_BLINK)
670 if ((Options & Opt_cursorBlink)
671 && xev.type == KeyPress)
672 {
673 if (hidden_cursor)
674 {
675 hidden_cursor = 0;
676 want_refresh = 1;
677 }
678
679 blink_ev.start (NOW + BLINK_INTERVAL);
680 }
681#endif
682
683#if defined(POINTER_BLANK)
684 if ((Options & Opt_pointerBlank)
685 && (pointerBlankDelay > 0))
686 {
687 if (xev.type == MotionNotify
688 || xev.type == ButtonPress
689 || xev.type == ButtonRelease)
690 if (hidden_pointer)
691 pointer_unblank ();
692
693 if (xev.type == KeyPress && hidden_pointer == 0)
694 pointer_blank ();
695 }
696#endif
697
698#ifdef USE_XIM
699 if (!XFilterEvent (&xev, xev.xany.window))
700#endif
701 rxvt_process_x_event (this, &xev);
702 }
703 while (XPending (Xdisplay));
704}
705
706void
707rxvt_term::blink_cb (time_watcher &w)
708{
709 w.at += BLINK_INTERVAL;
710 hidden_cursor = !hidden_cursor;
711 want_refresh = 1;
712 flush();
713}
714
715void
716rxvt_term::x_cb (io_watcher &w, short revents)
717{
718 process_x_events ();
719
720 flush ();
721}
722
723// read the next character, currently handles UTF-8
724// will probably handle all sorts of other stuff in the future
725uint32_t
726rxvt_term::next_char ()
727{
728 struct mbstate &s = mbstate;
729
730 while (cmdbuf_ptr < cmdbuf_endp)
731 {
732 uint8_t ch = *cmdbuf_ptr;
733
734 if (s.cnt)
735 {
736 if ((ch & 0xc0) == 0x80)
737 {
738 cmdbuf_ptr++;
739
740 /* continuation */
741 s.reg = (s.reg << 6) | (ch & 0x7f);
742
743 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
744 return s.reg; 838 return;
745
746 continue;
747 } 839 }
748 else 840 else
749 { 841 {
750 s.cnt = 0; 842# if ISO_14755
751 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */ 843 scr_overlay_off ();
844# endif
845 iso14755buf = 0;
752 } 846 }
753 } 847 }
848 else if (option (Opt_iso14755) &&
849 ((ctrl && (keysym == XK_Shift_L || keysym == XK_Shift_R))
850 || (shft && (keysym == XK_Control_L || keysym == XK_Control_R))))
851 if (!(iso14755buf & ISO_14755_STARTED))
852 {
853 iso14755buf |= ISO_14755_STARTED;
854# if ISO_14755
855 scr_overlay_new (0, -1, sizeof ("ISO 14755 mode") - 1, 1);
856 scr_overlay_set (0, 0, "ISO 14755 mode");
857# endif
858 }
859#endif
860
861#ifdef PRINTPIPE
862 if (keysym == XK_Print)
863 {
864 scr_printscreen (ctrl | shft);
865 return;
866 }
867#endif
868 }
869
870 if (len <= 0)
871 return; /* not mapped */
872
873 tt_write_user_input (kbuf, (unsigned int)len);
874}
875
876void ecb_cold
877rxvt_term::key_release (XKeyEvent &ev)
878{
879#if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ISO_14755 || ENABLE_PERL
880 KeySym keysym;
881
882 keysym = XLookupKeysym (&ev, ev.state & ShiftMask ? 1 : 0); // sorry, only shift supported :/
883#endif
884
885#if ENABLE_FRILLS || ISO_14755
886 // ISO 14755 support
887 if (iso14755buf)
888 if (iso14755buf & ISO_14755_52)
754 889 {
755 if ((ch & 0xc0) == 0xc0) 890# if ISO_14755
891 scr_overlay_off ();
892# endif
893# if ISO_14755
894 // iso14755 part 5.2 handling: release time
895 // first: controls
896 if ((ev.state & ControlMask)
897 && ((keysym >= 0x40 && keysym <= 0x5f)
898 || (keysym >= 0x61 && keysym <= 0x7f)))
756 { 899 {
757 cmdbuf_ptr++; 900 iso14755buf = ISO_14755_51 | 0x2400 | (keysym & 0x1f);
901 commit_iso14755 ();
758 902
759 /* first byte */ 903 return;
760 s.orig = ch; /* for broken encodings */ 904 }
761 s.reg = ch; 905
762 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; } 906 for (unsigned short *i = iso14755_symtab; i[0]; i += 2)
763 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; } 907 if (i[0] == keysym)
764 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; } 908 {
765 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; } 909 iso14755buf = ISO_14755_51 | i[1];
766 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; } 910 commit_iso14755 ();
911
912 return;
913 }
914
915 scr_bell ();
916# endif
917 iso14755buf = 0;
918
919 return;
920 }
921 else if ((ev.state & (ShiftMask | ControlMask)) != (ShiftMask | ControlMask))
922 {
923# if ISO_14755
924 scr_overlay_off ();
925# endif
926 if (iso14755buf & ISO_14755_51)
927 commit_iso14755 ();
928#if ISO_14755
929 else if (option (Opt_iso14755_52) && iso14755buf & ISO_14755_STARTED)
930 {
931 iso14755buf = ISO_14755_52; // iso14755 part 5.2: remember empty begin/end pair
932
933 scr_overlay_new (0, -1, sizeof ("KEYCAP PICTURE INSERT MODE") - 1, 1);
934 scr_overlay_set (0, 0, "KEYCAP PICTURE INSERT MODE");
935 }
936# endif
937 else
938 iso14755buf = 0;
939 }
940#endif
941
942 if (HOOK_INVOKE ((this, HOOK_KEY_RELEASE, DT_XEVENT, &ev, DT_INT, keysym, DT_END)))
943 return;
944
945#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
946 if (!(ev.state & ControlMask))
947 slip_wheel_ev.stop ();
948 else if (keysym == XK_Control_L || keysym == XK_Control_R)
949 mouse_slip_wheel_speed = 0;
950#endif
951}
952
953void
954rxvt_term::flush ()
955{
956 flush_ev.stop ();
957
958#ifdef HAVE_IMG
959 if (bg_flags & BG_NEEDS_REFRESH)
960 {
961 bg_flags &= ~BG_NEEDS_REFRESH;
962 scr_touch (false);
963 }
964#endif
965
966 if (want_refresh)
967 {
968 if (SHOULD_INVOKE (HOOK_LINE_UPDATE))
969 {
970 int row = view_start;
971 int end_row = row + nrow;
972
973 while (row > top_row && ROW (row - 1).is_longer ())
974 --row;
975
976 do
977 {
978 int start_row = row;
979 line_t *l;
980
981 do
982 {
983 l = &ROW (row++);
984
985 if (!(l->f & LINE_FILTERED))
986 {
987 // line not filtered, mark it as filtered
988 l->f |= LINE_FILTERED;
989 while (l->is_longer ())
990 {
991 l = &ROW (row++);
992 l->f |= LINE_FILTERED;
993 }
994
995 // and filter it
996 HOOK_INVOKE ((this, HOOK_LINE_UPDATE, DT_INT, start_row, DT_END));
997
998 break;
999 }
1000 }
1001 while (l->is_longer () && row < end_row);
1002 }
1003 while (row < end_row);
1004 }
1005
1006 scr_refresh ();
1007 scrollBar.show (1);
1008#if USE_XIM
1009 im_send_spot ();
1010#endif
1011 }
1012
1013 display->flush ();
1014}
1015
1016/* checks whether a refresh is requested and starts the refresh timer */
1017void
1018rxvt_term::refresh_check ()
1019{
1020 if (want_refresh && !flush_ev.is_active ())
1021 flush_ev.start ();
1022
1023 display->flush ();
1024}
1025
1026void
1027rxvt_term::flush_cb (ev::timer &w, int revents)
1028{
1029 make_current ();
1030
1031 refresh_count = 0;
1032 flush ();
1033}
1034
1035#ifdef CURSOR_BLINK
1036void
1037rxvt_term::cursor_blink_reset ()
1038{
1039 if (!focus)
1040 return;
1041
1042 if (hidden_cursor)
1043 {
1044 hidden_cursor = 0;
1045 want_refresh = 1;
1046 }
1047
1048 if (option (Opt_cursorBlink) || (priv_modes & PrivMode_BlinkingCursor))
1049 cursor_blink_ev.again ();
1050 else
1051 cursor_blink_ev.stop ();
1052}
1053
1054void
1055rxvt_term::cursor_blink_cb (ev::timer &w, int revents)
1056{
1057 hidden_cursor = !hidden_cursor;
1058 want_refresh = 1;
1059 refresh_check ();
1060}
1061#endif
1062
1063#ifdef TEXT_BLINK
1064void
1065rxvt_term::text_blink_cb (ev::timer &w, int revents)
1066{
1067 if (scr_refresh_rend (RS_Blink, RS_Blink))
1068 {
1069 hidden_text = !hidden_text;
1070 want_refresh = 1;
1071 refresh_check ();
1072 }
1073 else
1074 w.stop ();
1075}
1076#endif
1077
1078#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1079void
1080rxvt_term::cont_scroll_cb (ev::timer &w, int revents)
1081{
1082 if ((scrollBar.state == SB_STATE_UP || scrollBar.state == SB_STATE_DOWN)
1083 && scr_page (scrollBar.state == SB_STATE_UP ? UP : DN, 1))
1084 {
1085 want_refresh = 1;
1086 refresh_check ();
1087 }
1088 else
1089 w.stop ();
1090}
1091#endif
1092
1093#ifdef SELECTION_SCROLLING
1094void
1095rxvt_term::sel_scroll_cb (ev::timer &w, int revents)
1096{
1097 if (scr_page (scroll_selection_lines))
1098 {
1099 selection_extend (selection_save_x, selection_save_y, selection_save_state);
1100 want_refresh = 1;
1101 refresh_check ();
1102 }
1103 else
1104 w.stop ();
1105}
1106#endif
1107
1108#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1109void
1110rxvt_term::slip_wheel_cb (ev::timer &w, int revents)
1111{
1112 if (scr_page (mouse_slip_wheel_speed))
1113 {
1114 want_refresh = 1;
1115 refresh_check ();
1116 }
1117
1118 if (view_start == top_row || view_start == 0 || mouse_slip_wheel_speed == 0)
1119 {
1120 mouse_slip_wheel_speed = 0;
1121 w.stop ();
1122 }
1123}
1124#endif
1125
1126#if LINUX_YIELD_HACK
1127static struct event_handler
1128{
1129 ev::prepare yield_ev;
1130
1131 void yield_cb (ev::prepare &w, int revents)
1132 {
1133 // this should really be sched_yield(), but the linux guys thought
1134 // that giving a process calling sched_yield () less cpu time than
1135 // ones with high nice levels is a useful thing to do. It surely is is
1136 // allowed by the sus... as is returning ENOSYS.
1137 // since the linux guys additionally thought that breaking the only
1138 // known workaround against their unusable sched_yield hack is cool,
1139 // we just nanosleep a bit and hope for the best.
1140
1141 struct timespec ts = { 0, 1000 };
1142 nanosleep (&ts, 0);
1143
1144 w.stop ();
1145 }
1146
1147 event_handler ()
1148 : yield_ev (this, &event_handler::yield_cb)
1149 {
1150 }
1151} event_handler;
1152#endif
1153
1154/* make sure all the cmd data is at beginning of cmdbuf */
1155void
1156rxvt_term::cmdbuf_reify ()
1157{
1158 if (cmdbuf_ptr == cmdbuf_base)
1159 return;
1160
1161 ssize_t used = cmdbuf_endp - cmdbuf_ptr;
1162
1163 memmove (cmdbuf_base, cmdbuf_ptr, used);
1164 cmdbuf_ptr = cmdbuf_base;
1165 cmdbuf_endp = cmdbuf_ptr + used;
1166
1167}
1168
1169#if defined (KEYSYM_RESOURCE)
1170void
1171rxvt_term::cmdbuf_append (const char *str, size_t count)
1172{
1173 cmdbuf_reify ();
1174
1175 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1176
1177 if (count > avail)
1178 return;
1179
1180 memcpy (cmdbuf_endp, str, count);
1181 cmdbuf_endp += count;
1182
1183 cmd_parse ();
1184}
1185#endif
1186
1187bool
1188rxvt_term::pty_fill ()
1189{
1190 cmdbuf_reify ();
1191
1192 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1193
1194 if (!avail)
1195 {
1196 // normally this indicates a "too long" command sequence - just drop the data we have
1197 cmdbuf_ptr = cmdbuf_base;
1198 cmdbuf_endp = cmdbuf_ptr;
1199 avail = CBUFSIZ;
1200 }
1201
1202 ssize_t r = read (pty->pty, cmdbuf_endp, avail);
1203
1204 if (r > 0)
1205 {
1206 cmdbuf_endp += r;
1207 return true;
1208 }
1209 else if (r < 0 && (errno == EAGAIN || errno == EINTR))
1210 {
1211#if LINUX_YIELD_HACK
1212 if (display->is_local)
1213 event_handler.yield_ev.start ();
1214#endif
1215 }
1216 else
1217 {
1218 pty_ev.stop ();
1219
1220 if (!option (Opt_hold))
1221 destroy ();
1222 }
1223
1224 return false;
1225}
1226
1227void
1228rxvt_term::pty_cb (ev::io &w, int revents)
1229{
1230 make_current ();
1231
1232 if (revents & ev::READ)
1233 // loop, but don't allow a single term to monopolize us
1234 for (int i = CBUFCNT; i-- && pty_fill (); )
1235 cmd_parse ();
1236
1237 if (revents & ev::WRITE)
1238 pty_write ();
1239
1240 refresh_check ();
1241}
1242
1243void ecb_cold
1244rxvt_term::pointer_unblank ()
1245{
1246 XDefineCursor (dpy, vt, TermWin_cursor);
1247 recolor_cursor ();
1248
1249#ifdef POINTER_BLANK
1250 hidden_pointer = 0;
1251
1252 if (option (Opt_pointerBlank))
1253 pointer_ev.start (pointerBlankDelay);
1254#endif
1255}
1256
1257#ifdef POINTER_BLANK
1258void ecb_cold
1259rxvt_term::pointer_blank ()
1260{
1261 if (!option (Opt_pointerBlank))
1262 return;
1263
1264 XDefineCursor (dpy, vt, display->blank_cursor);
1265 XFlush (dpy);
1266
1267 hidden_pointer = 1;
1268}
1269
1270void ecb_cold
1271rxvt_term::pointer_cb (ev::timer &w, int revents)
1272{
1273 make_current ();
1274
1275 pointer_blank ();
1276}
1277#endif
1278
1279void
1280rxvt_term::mouse_report (XButtonEvent &ev)
1281{
1282 int button_number, state = 0;
1283 int x, y;
1284 bool release = ev.type == ButtonRelease;
1285
1286 x = Pixel2Col (ev.x) + 1;
1287 y = Pixel2Row (ev.y) + 1;
1288
1289 if (ev.type == MotionNotify)
1290 {
1291 if (x == mouse_row && y == mouse_col)
1292 return;
1293
1294 mouse_row = x;
1295 mouse_col = y;
1296 state += 32;
1297 }
1298
1299 button_number = MEvent.button - Button1;
1300 if (button_number > 10)
1301 return;
1302 else if (button_number >= 7)
1303 button_number += 128 - 7;
1304 else if (button_number >= 3)
1305 button_number += 64 - 3;
1306
1307 if (priv_modes & PrivMode_MouseX10)
1308 {
1309 /*
1310 * do not report ButtonRelease
1311 * no state info allowed
1312 */
1313 if (release)
1314 return;
1315 }
1316 else
1317 {
1318 /* XTerm mouse reporting needs these values:
1319 * 4 = Shift
1320 * 8 = Meta
1321 * 16 = Control
1322 * plus will add in our own Double-Click reporting
1323 * 32 = Double Click
1324 */
1325 state += ((MEvent.state & ShiftMask) ? 4 : 0)
1326 + ((MEvent.state & ModMetaMask) ? 8 : 0)
1327 + ((MEvent.state & ControlMask) ? 16 : 0);
1328#ifdef MOUSE_REPORT_DOUBLECLICK
1329 state += ((MEvent.clicks > 1) ? 32 : 0);
1330#endif
1331 }
1332
1333 int code = 32 + (release ? 3 : button_number) + state;
1334
1335#if DEBUG_MOUSEREPORT
1336 fprintf (stderr, "Mouse [");
1337 if (state & 16)
1338 fputc ('C', stderr);
1339 if (state & 4)
1340 fputc ('S', stderr);
1341 if (state & 8)
1342 fputc ('A', stderr);
1343 if (state & 32)
1344 fputc ('2', stderr);
1345 fprintf (stderr, "]: <%d>, %d/%d\n",
1346 button_number,
1347 x,
1348 y);
1349#endif
1350
1351#if ENABLE_FRILLS
1352 if (priv_modes & PrivMode_ExtMouseSGR)
1353 tt_printf ("\033[<%d;%d;%d%c",
1354 button_number + state,
1355 x,
1356 y,
1357 release ? 'm' : 'M');
1358 else if (priv_modes & PrivMode_ExtMouseUrxvt)
1359 tt_printf ("\033[%d;%d;%dM",
1360 code,
1361 x,
1362 y);
1363 else if (priv_modes & PrivMode_ExtMouseUTF8)
1364 if (code < 128)
1365 tt_printf ("\033[M%c%lc%lc",
1366 code,
1367 wint_t (32 + x),
1368 wint_t (32 + y));
1369 else
1370 tt_printf ("\033[M%c%c%lc%lc",
1371 0xc0 + (code >> 6),
1372 0x80 + (code & 0x3f),
1373 wint_t (32 + x),
1374 wint_t (32 + y));
1375 else
1376#endif
1377 tt_printf ("\033[M%c%c%c",
1378 code,
1379 32 + x,
1380 32 + y);
1381}
1382
1383/*{{{ process an X event */
1384void ecb_hot
1385rxvt_term::x_cb (XEvent &ev)
1386{
1387 make_current ();
1388
1389 dLocal (Display *, dpy);
1390
1391 if (ev.xany.window == vt
1392 && SHOULD_INVOKE (HOOK_X_EVENT)
1393 && HOOK_INVOKE ((this, HOOK_X_EVENT, DT_XEVENT, &ev, DT_END)))
1394 return;
1395
1396 // for XQueryPointer
1397 Window unused_root, unused_child;
1398 int unused_root_x, unused_root_y;
1399 unsigned int unused_mask;
1400
1401 switch (ev.type)
1402 {
1403 case KeyPress:
1404 key_press (ev.xkey);
1405 break;
1406
1407 case KeyRelease:
1408 key_release (ev.xkey);
1409 break;
1410
1411 case ButtonPress:
1412 button_press (ev.xbutton);
1413 break;
1414
1415 case ButtonRelease:
1416 button_release (ev.xbutton);
1417 break;
1418
1419 case ClientMessage:
1420 if (ev.xclient.format == 32
1421 && !HOOK_INVOKE ((this, HOOK_CLIENT_MESSAGE, DT_XEVENT, &ev, DT_END)))
1422 {
1423 if (ev.xclient.message_type == xa[XA_WM_PROTOCOLS])
1424 {
1425 if (!HOOK_INVOKE ((this, HOOK_WM_PROTOCOLS, DT_XEVENT, &ev, DT_END)))
1426 {
1427 if (ev.xclient.data.l[0] == xa[XA_WM_DELETE_WINDOW])
1428 {
1429 if (!HOOK_INVOKE ((this, HOOK_WM_DELETE_WINDOW, DT_XEVENT, &ev, DT_END)))
1430 destroy ();
1431 }
1432#if ENABLE_EWMH
1433 else if (ev.xclient.data.l[0] == xa[XA_NET_WM_PING])
1434 XSendEvent (dpy, ev.xclient.window = display->root,
1435 False, SubstructureRedirectMask | SubstructureNotifyMask,
1436 &ev);
1437#endif
1438 }
1439 }
1440#if ENABLE_XEMBED
1441 else if (ev.xclient.format == 32 && ev.xclient.message_type == xa[XA_XEMBED])
1442 {
1443 if (ev.xclient.data.l[1] == XEMBED_FOCUS_IN)
1444 focus_in ();
1445 else if (ev.xclient.data.l[1] == XEMBED_FOCUS_OUT)
1446 focus_out ();
1447 }
1448#endif
1449 }
1450 break;
1451
1452 /*
1453 * XXX: this is not the _current_ arrangement
1454 * Here's my conclusion:
1455 * If the window is completely unobscured, use bitblt's
1456 * to scroll. Even then, they're only used when doing partial
1457 * screen scrolling. When partially obscured, we have to fill
1458 * in the GraphicsExpose parts, which means that after each refresh,
1459 * we need to wait for the graphics expose or Noexpose events,
1460 * which ought to make things real slow!
1461 */
1462 case VisibilityNotify:
1463 switch (ev.xvisibility.state)
1464 {
1465 case VisibilityUnobscured:
1466 refresh_type = FAST_REFRESH;
1467 break;
1468 case VisibilityPartiallyObscured:
1469 refresh_type = SLOW_REFRESH;
1470 break;
1471 default:
1472 refresh_type = NO_REFRESH;
1473 break;
1474 }
1475 break;
1476
1477 case FocusIn:
1478 if (ev.xfocus.detail != NotifyInferior
1479 && ev.xfocus.detail != NotifyPointer
1480 && ev.xfocus.mode != NotifyGrab)
1481 focus_in ();
1482 break;
1483
1484 case FocusOut:
1485 if (ev.xfocus.detail != NotifyInferior
1486 && ev.xfocus.detail != NotifyPointer
1487 && ev.xfocus.mode != NotifyGrab)
1488 focus_out ();
1489 break;
1490
1491 case ConfigureNotify:
1492 if (ev.xconfigure.window == parent)
1493 {
1494 while (XCheckTypedWindowEvent (dpy, ev.xconfigure.window, ConfigureNotify, &ev))
1495 ;
1496
1497 bool want_position_change = SHOULD_INVOKE (HOOK_POSITION_CHANGE);
1498
1499 if (want_position_change)
1500 {
1501 int x, y;
1502
1503 if (ev.xconfigure.send_event)
1504 {
1505 x = ev.xconfigure.x;
1506 y = ev.xconfigure.y;
1507 }
1508 else
1509 get_window_origin (x, y);
1510
1511 if (x != parent_x || y != parent_y)
1512 {
1513 parent_x = x;
1514 parent_y = y;
1515 HOOK_INVOKE ((this, HOOK_POSITION_CHANGE, DT_INT, x, DT_INT, y, DT_END));
1516 }
1517 }
1518
1519 if (szHint.width != ev.xconfigure.width || szHint.height != ev.xconfigure.height)
1520 {
1521 seen_resize = 1;
1522 resize_all_windows (ev.xconfigure.width, ev.xconfigure.height, 1);
1523 }
1524
1525 HOOK_INVOKE ((this, HOOK_CONFIGURE_NOTIFY, DT_XEVENT, &ev, DT_END));
1526 }
1527 break;
1528
1529 case PropertyNotify:
1530 HOOK_INVOKE ((this, HOOK_PROPERTY_NOTIFY, DT_XEVENT, &ev, DT_END));
1531 break;
1532
1533 case SelectionClear:
1534 selection_clear (ev.xselectionclear.selection == xa[XA_CLIPBOARD]);
1535 break;
1536
1537 case SelectionRequest:
1538 selection_send (ev.xselectionrequest);
1539 break;
1540
1541 case MapNotify:
1542 mapped = 1;
1543#ifdef TEXT_BLINK
1544 text_blink_ev.start ();
1545#endif
1546 HOOK_INVOKE ((this, HOOK_MAP_NOTIFY, DT_XEVENT, &ev, DT_END));
1547 break;
1548
1549 case UnmapNotify:
1550 mapped = 0;
1551#ifdef TEXT_BLINK
1552 text_blink_ev.stop ();
1553#endif
1554 HOOK_INVOKE ((this, HOOK_UNMAP_NOTIFY, DT_XEVENT, &ev, DT_END));
1555 break;
1556
1557 case GraphicsExpose:
1558 case Expose:
1559 if (ev.xany.window == vt)
1560 {
1561 do
1562 {
1563 scr_expose (ev.xexpose.x, ev.xexpose.y,
1564 ev.xexpose.width, ev.xexpose.height, false);
1565 }
1566 while (XCheckTypedWindowEvent (dpy, vt, ev.xany.type, &ev));
1567
1568 ev.xany.type = ev.xany.type == Expose ? GraphicsExpose : Expose;
1569
1570 while (XCheckTypedWindowEvent (dpy, vt, ev.xany.type, &ev))
1571 {
1572 scr_expose (ev.xexpose.x, ev.xexpose.y,
1573 ev.xexpose.width, ev.xexpose.height, false);
1574 }
1575
1576 want_refresh = 1;
1577 }
1578 else
1579 {
1580 XEvent unused_event;
1581
1582 while (XCheckTypedWindowEvent (dpy, ev.xany.window, Expose, &unused_event))
1583 ;
1584 while (XCheckTypedWindowEvent (dpy, ev.xany.window, GraphicsExpose, &unused_event))
1585 ;
1586
1587 if (scrollBar.state && ev.xany.window == scrollBar.win)
1588 {
1589 scrollBar.state = SB_STATE_IDLE;
1590 scrollBar.show (0);
1591 }
1592 }
1593 break;
1594
1595 case MotionNotify:
1596#ifdef POINTER_BLANK
1597 if (hidden_pointer)
1598 pointer_unblank ();
1599#endif
1600 if (!bypass_keystate
1601 && ((priv_modes & PrivMode_MouseBtnEvent && ev.xbutton.state & (Button1Mask|Button2Mask|Button3Mask))
1602 || priv_modes & PrivMode_MouseAnyEvent))
1603 mouse_report (ev.xbutton);
1604 if ((priv_modes & PrivMode_mouse_report) && !bypass_keystate)
1605 break;
1606
1607 if (ev.xany.window == vt)
1608 {
1609 if (SHOULD_INVOKE (HOOK_MOTION_NOTIFY)
1610 && HOOK_INVOKE ((this, HOOK_MOTION_NOTIFY, DT_XEVENT, &ev, DT_END)))
1611 ; // nop
1612 else if (ev.xbutton.state & (Button1Mask | Button3Mask))
1613 {
1614 while (XCheckTypedWindowEvent (dpy, vt, MotionNotify, &ev))
1615 ;
1616
1617 XQueryPointer (dpy, vt,
1618 &unused_root, &unused_child,
1619 &unused_root_x, &unused_root_y,
1620 &ev.xbutton.x, &ev.xbutton.y,
1621 &ev.xbutton.state);
1622#ifdef MOUSE_THRESHOLD
1623 /* deal with a `jumpy' mouse */
1624 if (ev.xmotion.time - MEvent.time > MOUSE_THRESHOLD)
1625#endif
1626 {
1627#if ISO_14755
1628 // 5.4
1629 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1630 {
1631 iso14755_54 (ev.xbutton.x, ev.xbutton.y);
1632 break;
1633 }
1634#endif
1635 selection_extend (ev.xbutton.x, ev.xbutton.y,
1636 ev.xbutton.state & Button3Mask ? 2 : 0);
1637
1638#ifdef SELECTION_SCROLLING
1639 if (ev.xbutton.y < int_bwidth
1640 || Pixel2Row (ev.xbutton.y) > (nrow-1))
1641 {
1642 page_dirn scroll_selection_dir;
1643 int dist;
1644
1645 /* don't clobber the current delay if we are
1646 * already in the middle of scrolling.
1647 */
1648 if (!sel_scroll_ev.is_active ())
1649 sel_scroll_ev.start (SCROLLBAR_INITIAL_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
1650
1651 /* save the event params so we can highlight
1652 * the selection in the pending-scroll loop
1653 */
1654 selection_save_x = ev.xbutton.x;
1655 selection_save_y = ev.xbutton.y;
1656 selection_save_state = (ev.xbutton.state & Button3Mask) ? 2 : 0;
1657
1658 /* calc number of lines to scroll */
1659 if (ev.xbutton.y < int_bwidth)
1660 {
1661 scroll_selection_dir = UP;
1662 dist = int_bwidth - ev.xbutton.y;
1663 }
1664 else
1665 {
1666 scroll_selection_dir = DN;
1667 dist = ev.xbutton.y - (int_bwidth + vt_height);
1668 }
1669
1670 scroll_selection_lines = Pixel2Height (dist)
1671 / SELECTION_SCROLL_LINE_SPEEDUP
1672 + 1;
1673 min_it (scroll_selection_lines,
1674 SELECTION_SCROLL_MAX_LINES);
1675 scroll_selection_lines *= scroll_selection_dir;
1676 }
1677 else
1678 {
1679 /* we are within the text window, so we
1680 * shouldn't be scrolling
1681 */
1682 sel_scroll_ev.stop();
1683 }
1684#endif
1685 }
1686 }
1687 }
1688 else if (scrollBar.state == SB_STATE_MOTION && ev.xany.window == scrollBar.win)
1689 {
1690 while (XCheckTypedWindowEvent (dpy, scrollBar.win,
1691 MotionNotify, &ev))
1692 ;
1693
1694 XQueryPointer (dpy, scrollBar.win,
1695 &unused_root, &unused_child,
1696 &unused_root_x, &unused_root_y,
1697 &ev.xbutton.x, &ev.xbutton.y,
1698 &unused_mask);
1699 scr_move_to (scrollBar.position (ev.xbutton.y) - csrO,
1700 scrollBar.size ());
1701 want_refresh = 1;
1702 scrollBar.show (1);
1703 }
1704 break;
1705 }
1706
1707#if defined(CURSOR_BLINK)
1708 if (ev.type == KeyPress)
1709 cursor_blink_reset ();
1710#endif
1711
1712#if defined(POINTER_BLANK)
1713 if (option (Opt_pointerBlank) && pointerBlankDelay > 0)
1714 {
1715 if (ev.type == MotionNotify
1716 || ev.type == ButtonPress
1717 || ev.type == ButtonRelease)
1718 if (hidden_pointer)
1719 pointer_unblank ();
1720
1721 if (ev.type == KeyPress && hidden_pointer == 0)
1722 pointer_blank ();
1723 }
1724#endif
1725
1726 refresh_check ();
1727}
1728
1729#if ENABLE_FRILLS
1730void ecb_cold
1731rxvt_term::set_urgency (bool enable)
1732{
1733 if (enable == urgency_hint)
1734 return;
1735
1736 if (XWMHints *h = XGetWMHints (dpy, parent))
1737 {
1738 h->flags = h->flags & ~XUrgencyHint | (enable ? XUrgencyHint : 0);
1739 XSetWMHints (dpy, parent, h);
1740 urgency_hint = enable;
1741 XFree (h);
1742 }
1743}
1744#endif
1745
1746void ecb_cold
1747rxvt_term::focus_in ()
1748{
1749 if (!focus)
1750 {
1751 focus = 1;
1752 want_refresh = 1;
1753
1754#if USE_XIM
1755 if (Input_Context != NULL)
1756 {
1757 im_set_position ();
1758 XSetICFocus (Input_Context);
1759 }
1760#endif
1761#if CURSOR_BLINK
1762 if (option (Opt_cursorBlink))
1763 cursor_blink_ev.again ();
1764#endif
1765#if OFF_FOCUS_FADING
1766 if (rs[Rs_fade])
1767 {
1768 pix_colors = pix_colors_focused;
1769 scr_recolor ();
1770 }
1771#endif
1772#if ENABLE_FRILLS
1773 if (option (Opt_urgentOnBell))
1774 set_urgency (0);
1775
1776 if (priv_modes & PrivMode_FocusEvent)
1777 tt_printf ("\x1b[I");
1778#endif
1779
1780 HOOK_INVOKE ((this, HOOK_FOCUS_IN, DT_END));
1781 }
1782}
1783
1784void ecb_cold
1785rxvt_term::focus_out ()
1786{
1787 if (focus)
1788 {
1789 focus = 0;
1790 want_refresh = 1;
1791
1792#if ENABLE_FRILLS
1793 if (option (Opt_urgentOnBell))
1794 set_urgency (0);
1795
1796 if (priv_modes & PrivMode_FocusEvent)
1797 tt_printf ("\x1b[O");
1798#endif
1799#if ENABLE_FRILLS || ISO_14755
1800 if (iso14755buf)
1801 {
1802 iso14755buf = 0;
1803# if ISO_14755
1804 scr_overlay_off ();
1805# endif
1806 }
1807#endif
1808#if USE_XIM
1809 if (Input_Context != NULL)
1810 XUnsetICFocus (Input_Context);
1811#endif
1812#if CURSOR_BLINK
1813 if (option (Opt_cursorBlink))
1814 cursor_blink_ev.stop ();
1815
1816 hidden_cursor = 0;
1817#endif
1818#if OFF_FOCUS_FADING
1819 if (rs[Rs_fade])
1820 {
1821 pix_colors = pix_colors_unfocused;
1822 scr_recolor ();
1823 }
1824#endif
1825
1826 HOOK_INVOKE ((this, HOOK_FOCUS_OUT, DT_END));
1827 }
1828}
1829
1830void ecb_cold
1831rxvt_term::update_fade_color (unsigned int idx, bool first_time)
1832{
1833#if OFF_FOCUS_FADING
1834 if (rs[Rs_fade])
1835 {
1836 if (!first_time)
1837 pix_colors_focused [idx].free (this);
1838
1839 rgba c;
1840 pix_colors [Color_fade].get (c);
1841 pix_colors_focused [idx].fade (this, atoi (rs[Rs_fade]), pix_colors_unfocused [idx], c);
1842 }
1843#endif
1844}
1845
1846#if ENABLE_PERL
1847void ecb_hot
1848rxvt_term::rootwin_cb (XEvent &ev)
1849{
1850 make_current ();
1851
1852 if (SHOULD_INVOKE (HOOK_ROOT_EVENT)
1853 && HOOK_INVOKE ((this, HOOK_ROOT_EVENT, DT_XEVENT, &ev, DT_END)))
1854 return;
1855
1856 switch (ev.type)
1857 {
1858 case PropertyNotify:
1859 /*
1860 * if user used some Esetroot compatible prog to set the root bg,
1861 * use the property to determine the pixmap. We use it later on.
1862 */
1863 if (ev.xproperty.atom == xa[XA_XROOTPMAP_ID]
1864 || ev.xproperty.atom == xa[XA_ESETROOT_PMAP_ID])
1865 {
1866 HOOK_INVOKE ((this, HOOK_ROOTPMAP_CHANGE, DT_END));
1867 }
1868
1869 break;
1870 }
1871
1872 refresh_check ();
1873}
1874#endif
1875
1876void
1877rxvt_term::button_press (XButtonEvent &ev)
1878{
1879 int reportmode = 0, clickintime;
1880
1881 bypass_keystate = ev.state & (ModMetaMask | ShiftMask);
1882
1883 if (!bypass_keystate)
1884 reportmode = !! (priv_modes & PrivMode_mouse_report);
1885
1886 /*
1887 * VT window processing of button press
1888 */
1889 if (ev.window == vt)
1890 {
1891 if (HOOK_INVOKE ((this, HOOK_BUTTON_PRESS, DT_XEVENT, &ev, DT_END)))
1892 return;
1893
1894#if ISO_14755
1895 // 5.4
1896 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1897 {
1898 iso14755_54 (ev.x, ev.y);
1899 return;
1900 }
1901#endif
1902
1903 clickintime = ev.time - MEvent.time < multiClickTime;
1904
1905 if (reportmode)
1906 {
1907 /* mouse report from vt window */
1908 /* save the xbutton state (for ButtonRelease) */
1909 MEvent.state = ev.state;
1910#ifdef MOUSE_REPORT_DOUBLECLICK
1911 if (ev.button == MEvent.button && clickintime)
1912 {
1913 /* same button, within allowed time */
1914 MEvent.clicks++;
1915
1916 if (MEvent.clicks > 1)
1917 {
1918 /* only report double clicks */
1919 MEvent.clicks = 2;
1920 mouse_report (ev);
1921
1922 /* don't report the release */
1923 MEvent.clicks = 0;
1924 MEvent.button = AnyButton;
1925 }
1926 }
1927 else
1928 {
1929 /* different button, or time expired */
1930 MEvent.clicks = 1;
1931 MEvent.button = ev.button;
1932 mouse_report (ev);
1933 }
1934#else
1935 MEvent.button = ev.button;
1936 mouse_report (ev);
1937#endif /* MOUSE_REPORT_DOUBLECLICK */
1938
767 } 1939 }
768 else 1940 else
769 { 1941 {
770 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */ 1942 if (ev.button != MEvent.button)
771 return ch; 1943 MEvent.clicks = 0;
772 }
773 }
774 1944
775 return NOCHAR; 1945 switch (ev.button)
776}
777
778bool
779rxvt_term::pty_fill (size_t count)
780{
781 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
782
783 memmove (cmdbuf_base, cmdbuf_ptr, n);
784 cmdbuf_ptr = cmdbuf_base;
785 cmdbuf_endp = cmdbuf_ptr + n;
786
787 n = read (cmd_fd, cmdbuf_endp, count);
788
789 if (n > 0)
790 {
791 cmdbuf_endp += n;
792 return true;
793 }
794 else if (n < 0 && errno == EAGAIN)
795 return false;
796
797 rxvt_clean_exit();
798 exit(EXIT_FAILURE); /* bad order of events? */
799}
800
801void
802rxvt_term::pty_cb (io_watcher &w, short revents)
803{
804 while (pty_fill (BUFSIZ - (cmdbuf_endp - cmdbuf_ptr)))
805 {
806 /* once we know the shell is running, send the screen size. Again! */
807 //ch = rxvt_cmd_getc(aR); /* wait for something */
808 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
809
810 uint32_t ch = NOCHAR;
811
812 for (;;)
813 {
814 if (ch == NOCHAR)
815 ch = next_char ();
816
817 if (ch == NOCHAR) // TODO: improve
818 break;
819
820 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
821 { 1946 {
822 /* Read a text string from the input buffer */ 1947 case Button1:
823 uint32_t buf[BUFSIZ]; 1948 /* allow meta + click to select rectangular areas */
824 bool refreshnow = false; 1949 /* should be done in screen.C */
825 int nlines = 0; 1950#if ENABLE_FRILLS
826 uint32_t *str = buf; 1951 selection.rect = !!(ev.state & ModMetaMask);
1952#else
1953 selection.rect = false;
1954#endif
827 1955
828 *str++ = ch; 1956 /* allow shift+left click to extend selection */
1957 if (ev.state & ShiftMask && !(priv_modes & PrivMode_mouse_report))
1958 {
1959 if (MEvent.button == Button1 && clickintime)
1960 selection_rotate (ev.x, ev.y);
1961 else
1962 selection_extend (ev.x, ev.y, 1);
1963 }
1964 else
1965 {
1966 if (MEvent.button == Button1 && clickintime)
1967 MEvent.clicks++;
1968 else
1969 MEvent.clicks = 1;
829 1970
1971 selection_click (MEvent.clicks, ev.x, ev.y);
1972 }
1973
1974 MEvent.button = Button1;
1975 break;
1976
1977 case Button3:
1978 if (MEvent.button == Button3 && clickintime)
1979 selection_rotate (ev.x, ev.y);
1980 else
1981 selection_extend (ev.x, ev.y, 1);
1982
1983 MEvent.button = Button3;
1984 break;
1985 }
1986 }
1987
1988 MEvent.time = ev.time;
1989 return;
1990 }
1991
1992 /*
1993 * Scrollbar window processing of button press
1994 */
1995 if (scrollBar.state && ev.window == scrollBar.win)
1996 {
1997 page_dirn direction = NO_DIR;
1998
1999 if (scrollBar.upButton (ev.y))
2000 direction = UP; /* up */
2001 else if (scrollBar.dnButton (ev.y))
2002 direction = DN; /* down */
2003
2004 scrollBar.state = SB_STATE_IDLE;
2005 /*
2006 * Rxvt-style scrollbar:
2007 * move up if mouse is above slider
2008 * move dn if mouse is below slider
2009 *
2010 * XTerm-style scrollbar:
2011 * Move display proportional to pointer location
2012 * pointer near top -> scroll one line
2013 * pointer near bot -> scroll full page
2014 */
2015#ifndef NO_SCROLLBAR_REPORT
2016 if (reportmode)
2017 {
2018 /*
2019 * Mouse report disabled scrollbar:
2020 * arrow buttons - send up/down
2021 * click on scrollbar - send pageup/down
2022 */
2023 if (direction == UP)
2024 tt_printf ("\033[A");
2025 else if (direction == DN)
2026 tt_printf ("\033[B");
2027 else
2028 switch (ev.button)
830 for (;;) 2029 {
2030 case Button2:
2031 tt_printf ("\014");
2032 break;
2033 case Button1:
2034 tt_printf ("\033[6~");
2035 break;
2036 case Button3:
2037 tt_printf ("\033[5~");
2038 break;
2039 }
2040 }
2041 else
2042#endif /* NO_SCROLLBAR_REPORT */
2043 {
2044 if (direction != NO_DIR)
2045 {
2046#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
2047 if (!cont_scroll_ev.is_active ())
2048 cont_scroll_ev.start (SCROLLBAR_INITIAL_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
2049#endif
2050 if (scr_page (direction, 1))
831 { 2051 {
832 ch = next_char (); 2052 if (direction == UP)
2053 scrollBar.state = SB_STATE_UP;
2054 else
2055 scrollBar.state = SB_STATE_DOWN;
2056 }
2057 }
2058 else
2059 switch (ev.button)
2060 {
2061 case Button2:
2062 switch (scrollBar.align)
2063 {
2064 case SB_ALIGN_TOP:
2065 csrO = 0;
2066 break;
2067 case SB_ALIGN_CENTRE:
2068 csrO = (scrollBar.bot - scrollBar.top) / 2;
2069 break;
2070 case SB_ALIGN_BOTTOM:
2071 csrO = scrollBar.bot - scrollBar.top;
2072 break;
2073 }
833 2074
834 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r')) 2075 if (scrollBar.style == SB_STYLE_XTERM
2076 || scrollBar.above_slider (ev.y)
2077 || scrollBar.below_slider (ev.y))
2078 scr_move_to (scrollBar.position (ev.y) - csrO, scrollBar.size ());
2079
2080 scrollBar.state = SB_STATE_MOTION;
835 break; 2081 break;
2082
2083 case Button1:
2084 if (scrollBar.align == SB_ALIGN_CENTRE)
2085 csrO = ev.y - scrollBar.top;
2086 /* FALLTHROUGH */
2087
2088 case Button3:
2089 if (scrollBar.style != SB_STYLE_XTERM)
2090 {
2091 if (scrollBar.above_slider (ev.y))
2092# ifdef RXVT_SCROLL_FULL
2093 scr_page (UP, nrow - 1);
2094# else
2095 scr_page (UP, nrow / 4);
2096# endif
2097 else if (scrollBar.below_slider (ev.y))
2098# ifdef RXVT_SCROLL_FULL
2099 scr_page (DN, nrow - 1);
2100# else
2101 scr_page (DN, nrow / 4);
2102# endif
2103 else
2104 scrollBar.state = SB_STATE_MOTION;
2105 }
836 else 2106 else
837 { 2107 {
2108 scr_page ((ev.button == Button1 ? DN : UP),
2109 (nrow
2110 * scrollBar.position (ev.y)
2111 / scrollBar.size ()));
2112 }
2113
2114 break;
2115 }
2116 }
2117
2118 return;
2119 }
2120}
2121
2122void
2123rxvt_term::button_release (XButtonEvent &ev)
2124{
2125 int reportmode = 0;
2126
2127 csrO = 0; /* reset csr Offset */
2128 if (!bypass_keystate)
2129 reportmode = !! (priv_modes & PrivMode_mouse_report);
2130
2131 if (scrollBar.state == SB_STATE_UP || scrollBar.state == SB_STATE_DOWN)
2132 {
2133 scrollBar.state = SB_STATE_IDLE;
2134 scrollBar.show (0);
2135 }
2136
2137#ifdef SELECTION_SCROLLING
2138 sel_scroll_ev.stop();
2139#endif
2140
2141 if (ev.window == vt)
2142 {
2143 if (HOOK_INVOKE ((this, HOOK_BUTTON_RELEASE, DT_XEVENT, &ev, DT_END)))
2144 return;
2145
2146#if ISO_14755
2147 // 5.4
2148 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
2149 return;
2150#endif
2151
2152 if (reportmode)
2153 {
2154 /* mouse report from vt window */
2155 /* don't report release of wheel "buttons" */
2156 if (ev.button >= 4 && ev.button <= 7)
2157 return;
2158#ifdef MOUSE_REPORT_DOUBLECLICK
2159 /* only report the release of 'slow' single clicks */
2160 if (MEvent.button != AnyButton
2161 && (ev.button != MEvent.button
2162 || (ev.time - MEvent.time
2163 > multiClickTime / 2)))
2164 {
2165 MEvent.clicks = 0;
2166 MEvent.button = ev.button;
2167 mouse_report (ev);
2168 }
2169#else /* MOUSE_REPORT_DOUBLECLICK */
2170 MEvent.button = ev.button;
2171 mouse_report (ev);
2172#endif /* MOUSE_REPORT_DOUBLECLICK */
2173 return;
2174 }
2175
2176 /*
2177 * dumb hack to compensate for the failure of click-and-drag
2178 * when overriding mouse reporting
2179 */
2180 if (priv_modes & PrivMode_mouse_report
2181 && bypass_keystate
2182 && ev.button == Button1 && MEvent.clicks <= 1)
2183 selection_extend (ev.x, ev.y, 0);
2184
2185 switch (ev.button)
2186 {
2187 case Button1:
2188 case Button3:
2189 selection_make (ev.time);
2190 break;
2191
2192 case Button2:
2193 if (IN_RANGE_EXC (ev.x, 0, vt_width) && IN_RANGE_EXC (ev.y, 0, vt_height)) // inside window?
2194 selection_request (ev.time, ev.state & ModMetaMask ? Sel_Clipboard : Sel_Primary);
2195 break;
2196
2197#ifdef MOUSE_WHEEL
2198 case Button4:
2199 case Button5:
2200 {
2201 int lines;
2202 page_dirn dirn;
2203
2204 dirn = ev.button == Button4 ? UP : DN;
2205
2206 if (ev.state & ShiftMask)
2207 lines = 1;
2208 else if (option (Opt_mouseWheelScrollPage))
2209 lines = nrow - 1;
2210 else
2211 lines = 5;
2212
2213# ifdef MOUSE_SLIP_WHEELING
2214 if (ev.state & ControlMask)
2215 {
2216 mouse_slip_wheel_speed += dirn;
2217 clamp_it (mouse_slip_wheel_speed, -nrow, nrow);
2218
2219 if (!slip_wheel_ev.is_active ())
2220 slip_wheel_ev.start (SCROLLBAR_CONTINUOUS_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
2221 }
2222 else
2223# endif
2224 {
2225 scr_page (dirn, lines);
2226 scrollBar.show (1);
2227 }
2228 }
2229 break;
2230#endif
2231 }
2232 }
2233}
2234
2235/*}}} */
2236
2237void ecb_hot
2238rxvt_term::cmd_parse ()
2239{
2240 wchar_t ch = NOCHAR;
2241 char *seq_begin; // remember start of esc-sequence here
2242
2243 for (;;)
2244 {
2245 if (ecb_unlikely (ch == NOCHAR))
2246 {
2247 seq_begin = cmdbuf_ptr;
2248 ch = next_char ();
2249
2250 if (ch == NOCHAR)
2251 break;
2252 }
2253
2254 if (ecb_likely (!IS_CONTROL (ch) || ch == C0_LF || ch == C0_CR || ch == C0_HT))
2255 {
2256 if (ecb_unlikely (!seen_input))
2257 {
2258 seen_input = 1;
2259 // many badly-written programs (e.g. jed) contain a race condition:
2260 // they first read the screensize and then install a SIGWINCH handler.
2261 // some window managers resize the window early, and these programs
2262 // then sometimes get the size wrong.
2263 // unfortunately other programs are even more buggy and dislike
2264 // being sent SIGWINCH, so only do it when we were in fact being
2265 // resized.
2266 if (seen_resize && cmd_pid)
2267 kill (-cmd_pid, SIGWINCH);
2268 }
2269
2270 /* Read a text string from the input buffer */
2271 wchar_t buf[UBUFSIZ];
2272 bool refreshnow = false;
2273 int nlines = 0;
2274 wchar_t *str = buf;
2275 wchar_t *eol = str + min (ncol, UBUFSIZ);
2276
2277 for (;;)
2278 {
2279 if (ecb_unlikely (ch == NOCHAR || (IS_CONTROL (ch) && ch != C0_LF && ch != C0_CR && ch != C0_HT)))
2280 break;
2281
838 *str++ = ch; 2282 *str++ = ch;
839 2283
2284 if (ecb_unlikely (ch == C0_LF || str >= eol))
2285 {
840 if (ch == '\n') 2286 if (ch == C0_LF)
2287 nlines++;
2288
2289 refresh_count++;
2290
2291 if (!option (Opt_jumpScroll) || refresh_count >= nrow - 1)
2292 {
2293 refresh_count = 0;
2294
2295 if (!option (Opt_skipScroll) || ev_time () > ev::now () + 1. / 60.)
841 { 2296 {
842 nlines++;
843 refresh_count++;
844
845 if (!(Options & Opt_jumpScroll)
846 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
847 {
848 refreshnow = true; 2297 refreshnow = true;
849 ch = NOCHAR; 2298 ch = NOCHAR;
850 break; 2299 break;
851 }
852 } 2300 }
2301 }
853 2302
2303 // scr_add_lines only works for nlines <= nrow - 1.
2304 if (nlines >= nrow - 1)
2305 {
2306 if (!(SHOULD_INVOKE (HOOK_ADD_LINES)
2307 && HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_WCS_LEN, buf, str - buf, DT_END))))
2308 scr_add_lines (buf, str - buf, nlines);
2309
2310 nlines = 0;
2311 str = buf;
2312 eol = str + min (ncol, UBUFSIZ);
2313 }
2314
2315 if (str >= eol)
2316 {
854 if (str >= buf + BUFSIZ) 2317 if (eol >= buf + UBUFSIZ)
855 { 2318 {
856 ch = NOCHAR; 2319 ch = NOCHAR;
857 break; 2320 break;
858 } 2321 }
2322 else
2323 eol = min (eol + ncol, buf + UBUFSIZ);
859 } 2324 }
2325
860 } 2326 }
861 2327
862 rxvt_scr_add_lines (this, buf, nlines, str - buf); 2328 seq_begin = cmdbuf_ptr;
863 2329 ch = next_char ();
864 /*
865 * If there have been a lot of new lines, then update the screen
866 * What the heck I'll cheat and only refresh less than every page-full.
867 * the number of pages between refreshes is refresh_limit, which
868 * is incremented here because we must be doing flat-out scrolling.
869 *
870 * refreshing should be correct for small scrolls, because of the
871 * time-out
872 */
873 if (refreshnow)
874 {
875 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
876 refresh_limit++;
877
878 rxvt_scr_refresh (this, refresh_type);
879 }
880
881 } 2330 }
2331
2332 if (!(SHOULD_INVOKE (HOOK_ADD_LINES)
2333 && HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_WCS_LEN, buf, str - buf, DT_END))))
2334 scr_add_lines (buf, str - buf, nlines);
2335
882 else 2336 /*
2337 * If there have been a lot of new lines, then update the screen
2338 * What the heck we'll cheat and only refresh less than every page-full.
2339 * if skipScroll is enabled.
2340 */
2341 if (refreshnow)
883 { 2342 {
884 switch (ch) 2343 scr_refresh ();
885 { 2344 want_refresh = 1;
886 default:
887 rxvt_process_nonprinting (this, ch);
888 break;
889 case C0_ESC: /* escape char */
890 rxvt_process_escape_seq (this);
891 break;
892 /*case 0x9b: */ /* CSI */
893 /* rxvt_process_csi_seq (this); */
894 }
895
896 ch = NOCHAR;
897 } 2345 }
898 } 2346 }
899 }
900
901 flush ();
902}
903
904void
905rxvt_term::flush ()
906{
907#ifdef TRANSPARENT
908 if (want_full_refresh)
909 {
910 want_full_refresh = 0;
911 rxvt_scr_clear (this);
912 rxvt_scr_touch (this, False);
913 want_refresh = 1;
914 }
915#endif
916
917 if (want_refresh)
918 {
919 rxvt_scr_refresh (this, refresh_type);
920 rxvt_scrollbar_show (this, 1);
921#ifdef USE_XIM
922 rxvt_IMSendSpot (this);
923#endif
924 }
925
926 XFlush (Xdisplay);
927}
928
929/* rxvt_cmd_getc() - Return next input character */
930/*
931 * Return the next input character after first passing any keyboard input
932 * to the command.
933 */
934/* INTPROTO */
935uint32_t
936rxvt_cmd_getc(pR)
937{
938 for (;;)
939 {
940 uint32_t c = R->next_char ();
941 if (c != NOCHAR)
942 return c;
943
944 // incomplete sequences should occur rarely, still, a better solution
945 // would be preferred. either setjmp/longjmp or better design.
946 fcntl (R->cmd_fd, F_SETFL, 0);
947 R->pty_fill (1);
948 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
949 }
950
951#if 0
952#define TIMEOUT_USEC 5000
953 fd_set readfds;
954 int quick_timeout, select_res;
955 int want_motion_time, want_keypress_time;
956 struct timeval value;
957#if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
958 struct timeval tp;
959#endif
960
961 for (;;) {
962 /* loop until we can return something */
963
964 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
965 rxvt_tt_write(aR_ NULL, 0);
966
967#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
968 if (R->mouse_slip_wheel_speed) {
969 quick_timeout = 1;
970 if (!R->mouse_slip_wheel_delay--
971 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
972 abs(R->mouse_slip_wheel_speed))) {
973 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
974 R->refresh_type |= SMOOTH_REFRESH;
975 R->want_refresh = 1;
976 }
977 }
978#endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
979#ifdef SELECTION_SCROLLING
980 if (R->pending_scroll_selection) {
981 quick_timeout = 1;
982 if (!R->scroll_selection_delay--
983 && rxvt_scr_page(aR_ R->scroll_selection_dir,
984 R->scroll_selection_lines)) {
985 rxvt_selection_extend(aR_ R->selection_save_x,
986 R->selection_save_y, R->selection_save_state);
987 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
988 R->refresh_type |= SMOOTH_REFRESH;
989 R->want_refresh = 1;
990 }
991 }
992#endif
993#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
994 if (scrollbar_isUp() || scrollbar_isDn()) {
995 quick_timeout = 1;
996 if (!R->scroll_arrow_delay--
997 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
998 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
999 R->refresh_type |= SMOOTH_REFRESH;
1000 R->want_refresh = 1;
1001 }
1002 }
1003#endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1004
1005#ifdef TRANSPARENT
1006 quick_timeout |= R->want_full_refresh;
1007#endif
1008#endif
1009}
1010
1011#ifdef POINTER_BLANK
1012void
1013rxvt_term::pointer_unblank ()
1014{
1015 if (!(Options & Opt_pointerBlank))
1016 return;
1017
1018 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1019 rxvt_recolour_cursor (this);
1020 hidden_pointer = 0;
1021
1022 pointer_ev.start (NOW + pointerBlankDelay);
1023}
1024
1025void
1026rxvt_term::pointer_blank ()
1027{
1028 pointer_ev.stop ();
1029
1030 if (!(Options & Opt_pointerBlank))
1031 return;
1032
1033 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1034 XFlush (Xdisplay);
1035
1036 hidden_pointer = 1;
1037}
1038
1039void
1040rxvt_term::pointer_cb (time_watcher &w)
1041{
1042 pointer_blank ();
1043}
1044#endif
1045
1046/* INTPROTO */
1047void
1048rxvt_mouse_report(pR_ const XButtonEvent *ev)
1049{
1050 int button_number, key_state = 0;
1051 int x, y;
1052
1053 x = ev->x;
1054 y = ev->y;
1055 rxvt_pixel_position(aR_ &x, &y);
1056
1057 if (R->MEvent.button == AnyButton) {
1058 button_number = 3;
1059 } else { 2347 else
1060 button_number = R->MEvent.button - Button1;
1061 /* add 0x3D for wheel events, like xterm does */
1062 if (button_number >= 3)
1063 button_number += (64 - 3);
1064 }
1065
1066 if (R->PrivateModes & PrivMode_MouseX10) {
1067 /*
1068 * do not report ButtonRelease
1069 * no state info allowed
1070 */
1071 key_state = 0;
1072 if (button_number == 3)
1073 return;
1074 } else {
1075 /* XTerm mouse reporting needs these values:
1076 * 4 = Shift
1077 * 8 = Meta
1078 * 16 = Control
1079 * plus will add in our own Double-Click reporting
1080 * 32 = Double Click
1081 */
1082 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1083 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1084 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1085#ifdef MOUSE_REPORT_DOUBLECLICK
1086 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1087#endif
1088 }
1089
1090#ifdef DEBUG_MOUSEREPORT
1091 fprintf(stderr, "Mouse [");
1092 if (key_state & 16)
1093 fputc('C', stderr);
1094 if (key_state & 4)
1095 fputc('S', stderr);
1096 if (key_state & 8)
1097 fputc('A', stderr);
1098 if (key_state & 32)
1099 fputc('2', stderr);
1100 fprintf(stderr, "]: <%d>, %d/%d\n",
1101 button_number,
1102 x + 1,
1103 y + 1);
1104#else
1105 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1106 (32 + button_number + key_state),
1107 (32 + x + 1),
1108 (32 + y + 1));
1109#endif
1110}
1111
1112#ifdef USING_W11LIB
1113/* EXTPROTO */
1114void
1115rxvt_W11_process_x_event(XEvent *ev)
1116{
1117 rxvt_t *r = rxvt_get_r();
1118
1119 rxvt_process_x_event(aR_ ev);
1120}
1121#endif
1122
1123/*{{{ process an X event */
1124/* INTPROTO */
1125void
1126rxvt_process_x_event(pR_ XEvent *ev)
1127{
1128 int i, want_timeout;
1129 Window unused_root, unused_child;
1130 int unused_root_x, unused_root_y;
1131 unsigned int unused_mask;
1132 struct timeval tp;
1133
1134#ifdef DEBUG_X
1135 const char *const eventnames[] =
1136 { /* mason - this matches my system */
1137 "",
1138 "",
1139 "KeyPress",
1140 "KeyRelease",
1141 "ButtonPress",
1142 "ButtonRelease",
1143 "MotionNotify",
1144 "EnterNotify",
1145 "LeaveNotify",
1146 "FocusIn",
1147 "FocusOut",
1148 "KeymapNotify",
1149 "Expose",
1150 "GraphicsExpose",
1151 "NoExpose",
1152 "VisibilityNotify",
1153 "CreateNotify",
1154 "DestroyNotify",
1155 "UnmapNotify",
1156 "MapNotify",
1157 "MapRequest",
1158 "ReparentNotify",
1159 "ConfigureNotify",
1160 "ConfigureRequest",
1161 "GravityNotify",
1162 "ResizeRequest",
1163 "CirculateNotify",
1164 "CirculateRequest",
1165 "PropertyNotify",
1166 "SelectionClear",
1167 "SelectionRequest",
1168 "SelectionNotify",
1169 "ColormapNotify",
1170 "ClientMessage",
1171 "MappingNotify"
1172 };
1173 struct tm *ltt;
1174#endif
1175
1176 /*
1177 * check if we need to get the time for any timeouts
1178 */
1179
1180 for (i = NUM_TIMEOUTS; i--; )
1181 if (R->timeout[i].tv_sec) {
1182 want_timeout = 1;
1183 break;
1184 }
1185
1186#ifndef DEBUG_X
1187 if (want_timeout)
1188#endif
1189 (void)gettimeofday(&tp, NULL);
1190
1191#ifdef DEBUG_X
1192 ltt = localtime(&(tp.tv_sec));
1193 D_X((stderr, "Event: %-16s %-7s %08lx (%4d-%02d-%02d %02d:%02d:%02d.%.6ld) %s %lu", eventnames[ev->type], (ev->xany.window == R->TermWin.parent[0] ? "parent" : (ev->xany.window == R->TermWin.vt ? "vt" : (ev->xany.window == R->scrollBar.win ? "scroll" : (ev->xany.window == R->menuBar.win ? "menubar" : "UNKNOWN")))), (ev->xany.window == R->TermWin.parent[0] ? R->TermWin.parent[0] : (ev->xany.window == R->TermWin.vt ? R->TermWin.vt : (ev->xany.window == R->scrollBar.win ? R->scrollBar.win : (ev->xany.window == R->menuBar.win ? R->menuBar.win : 0)))), ltt->tm_year + 1900, ltt->tm_mon + 1, ltt->tm_mday, ltt->tm_hour, ltt->tm_min, ltt->tm_sec, tp.tv_usec, ev->xany.send_event ? "S" : " ", ev->xany.serial));
1194#endif
1195
1196 /* X event timeouts */
1197 if (want_timeout)
1198 for (i = NUM_TIMEOUTS; i--; ) {
1199 if (R->timeout[i].tv_sec == 0)
1200 continue;
1201 if ((tp.tv_sec < R->timeout[i].tv_sec)
1202 || (tp.tv_sec == R->timeout[i].tv_sec
1203 && tp.tv_usec < R->timeout[i].tv_usec))
1204 continue;
1205 R->timeout[i].tv_sec = 0;
1206 switch(i) {
1207 case TIMEOUT_INCR:
1208 rxvt_print_error("data loss: timeout on INCR selection paste");
1209 R->selection_wait = Sel_none;
1210 break;
1211 default:
1212 break;
1213 }
1214 }
1215
1216 switch (ev->type) {
1217 case KeyPress:
1218 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1219 break;
1220
1221#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1222 case KeyRelease:
1223 {
1224 if (!(ev->xkey.state & ControlMask))
1225 R->mouse_slip_wheel_speed = 0;
1226 else {
1227 KeySym ks;
1228
1229 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1230 if (ks == XK_Control_L || ks == XK_Control_R)
1231 R->mouse_slip_wheel_speed = 0;
1232 }
1233 break;
1234 }
1235#endif
1236
1237 case ButtonPress:
1238 rxvt_button_press(aR_ (XButtonEvent *)ev);
1239 break;
1240
1241 case ButtonRelease:
1242 rxvt_button_release(aR_ (XButtonEvent *)ev);
1243 break;
1244
1245 case ClientMessage:
1246 if (ev->xclient.format == 32
1247 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1248 exit(EXIT_SUCCESS);
1249#ifdef OFFIX_DND
1250 /* OffiX Dnd (drag 'n' drop) protocol */
1251 if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1252 && (ev->xclient.data.l[0] == DndFile
1253 || ev->xclient.data.l[0] == DndDir
1254 || ev->xclient.data.l[0] == DndLink)) {
1255 /* Get Dnd data */
1256 Atom ActualType;
1257 int ActualFormat;
1258 unsigned char *data;
1259 unsigned long Size, RemainingBytes;
1260
1261 XGetWindowProperty(R->Xdisplay, Xroot,
1262 R->xa[XA_DNDSELECTION],
1263 0L, 1000000L,
1264 False, AnyPropertyType,
1265 &ActualType, &ActualFormat,
1266 &Size, &RemainingBytes,
1267 &data);
1268 XChangeProperty(R->Xdisplay, Xroot,
1269 XA_CUT_BUFFER0, XA_STRING,
1270 8, PropModeReplace,
1271 data, STRLEN(data));
1272 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1273 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1274 }
1275#endif /* OFFIX_DND */
1276 break;
1277
1278 case MappingNotify:
1279 XRefreshKeyboardMapping(&(ev->xmapping));
1280 break;
1281
1282 /*
1283 * XXX: this is not the _current_ arrangement
1284 * Here's my conclusion:
1285 * If the window is completely unobscured, use bitblt's
1286 * to scroll. Even then, they're only used when doing partial
1287 * screen scrolling. When partially obscured, we have to fill
1288 * in the GraphicsExpose parts, which means that after each refresh,
1289 * we need to wait for the graphics expose or Noexpose events,
1290 * which ought to make things real slow!
1291 */
1292 case VisibilityNotify:
1293 switch (ev->xvisibility.state) {
1294 case VisibilityUnobscured:
1295 R->refresh_type = FAST_REFRESH;
1296 break;
1297 case VisibilityPartiallyObscured:
1298 R->refresh_type = SLOW_REFRESH;
1299 break;
1300 default:
1301 R->refresh_type = NO_REFRESH;
1302 break;
1303 }
1304 break;
1305
1306 case FocusIn:
1307 if (!R->TermWin.focus) {
1308 R->TermWin.focus = 1;
1309 R->want_refresh = 1;
1310#ifdef USE_XIM
1311 if (R->Input_Context != NULL)
1312 XSetICFocus(R->Input_Context);
1313#endif
1314#ifdef CURSOR_BLINK
1315 if (R->Options & Opt_cursorBlink)
1316 R->blink_ev.start (NOW + BLINK_INTERVAL);
1317#endif
1318 }
1319 break;
1320
1321 case FocusOut:
1322 if (R->TermWin.focus) {
1323 R->TermWin.focus = 0;
1324 R->want_refresh = 1;
1325#ifdef USE_XIM
1326 if (R->Input_Context != NULL)
1327 XUnsetICFocus(R->Input_Context);
1328#endif
1329#ifdef CURSOR_BLINK
1330 if (R->Options & Opt_cursorBlink)
1331 R->blink_ev.stop ();
1332 R->hidden_cursor = 0;
1333#endif
1334 }
1335 break;
1336
1337 case ConfigureNotify:
1338 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1339 int height, width;
1340
1341 do { /* Wrap lots of configures into one */
1342 width = ev->xconfigure.width;
1343 height = ev->xconfigure.height;
1344 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1345 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1346 ConfigureNotify, ev));
1347 if (R->szHint.width != width || R->szHint.height != height) {
1348 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1349 rxvt_resize_all_windows(aR_ (unsigned int)width,
1350 (unsigned int)height, 1);
1351 }
1352#ifdef DEBUG_SIZE
1353 else {
1354 D_SIZE((stderr, "Size: Not resizing"));
1355 }
1356#endif
1357#ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1358 if (R->Options & Opt_transparent) {
1359 rxvt_check_our_parents(aR);
1360 if (R->am_transparent)
1361 R->want_full_refresh = 1;
1362 }
1363#endif
1364 }
1365 break;
1366
1367 case SelectionClear:
1368 rxvt_selection_clear(aR);
1369 break;
1370
1371 case SelectionNotify:
1372 if (R->selection_wait == Sel_normal)
1373 rxvt_selection_paste(aR_ ev->xselection.requestor,
1374 ev->xselection.property, True);
1375 break;
1376
1377 case SelectionRequest:
1378 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1379 break;
1380
1381 case UnmapNotify:
1382 R->TermWin.mapped = 0;
1383 break;
1384
1385 case MapNotify:
1386 R->TermWin.mapped = 1;
1387 break;
1388
1389 case PropertyNotify:
1390 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1391 if (ev->xproperty.state == PropertyNewValue)
1392 rxvt_selection_property(aR_ ev->xproperty.window,
1393 ev->xproperty.atom);
1394 break;
1395 }
1396#ifdef TRANSPARENT
1397 /*
1398 * if user used some Esetroot compatible prog to set the root bg,
1399 * use the property to determine the pixmap. We use it later on.
1400 */
1401 if (R->xa[XA_XROOTPMAPID] == 0)
1402 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1403 "_XROOTPMAP_ID", False);
1404 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1405 break;
1406 /* FALLTHROUGH */
1407 case ReparentNotify:
1408 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1409 if (R->am_transparent)
1410 R->want_full_refresh = 1;
1411 }
1412#endif /* TRANSPARENT */
1413 break;
1414
1415 case GraphicsExpose:
1416 case Expose:
1417 if (ev->xany.window == R->TermWin.vt) {
1418#ifdef NO_SLOW_LINK_SUPPORT
1419 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1420 ev->xexpose.width, ev->xexpose.height, False);
1421#else
1422 // don't understand this, so commented it out
1423 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1424 ev->xexpose.width, ev->xexpose.height, False);
1425 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1426 // ev->xexpose.width, R->TermWin.height, False);
1427#endif
1428 R->want_refresh = 1;
1429 } else {
1430 XEvent unused_xevent;
1431
1432 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1433 Expose,
1434 &unused_xevent)) ;
1435 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1436 GraphicsExpose,
1437 &unused_xevent)) ;
1438 if (isScrollbarWindow(ev->xany.window)) {
1439 scrollbar_setIdle();
1440 rxvt_scrollbar_show(aR_ 0);
1441 }
1442#ifdef MENUBAR
1443 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1444 rxvt_menubar_expose(aR);
1445#endif
1446#ifdef RXVT_GRAPHICS
1447 rxvt_Gr_expose(aR_ ev->xany.window);
1448#endif
1449 }
1450 break;
1451
1452 case MotionNotify:
1453#ifdef POINTER_BLANK
1454 if (R->hidden_pointer)
1455 R->pointer_unblank ();
1456#endif
1457#if MENUBAR
1458 if (isMenuBarWindow(ev->xany.window)) {
1459 rxvt_menubar_control(aR_ &(ev->xbutton));
1460 break;
1461 }
1462#endif
1463 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1464 break;
1465
1466 if (ev->xany.window == R->TermWin.vt) {
1467 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1468 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1469 MotionNotify, ev)) ;
1470 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1471 &unused_root, &unused_child,
1472 &unused_root_x, &unused_root_y,
1473 &(ev->xbutton.x), &(ev->xbutton.y),
1474 &unused_mask);
1475#ifdef MOUSE_THRESHOLD
1476 /* deal with a `jumpy' mouse */
1477 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1478#endif
1479 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1480 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1481#ifdef SELECTION_SCROLLING
1482 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1483 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1484 int dist;
1485
1486 R->pending_scroll_selection=1;
1487
1488 /* don't clobber the current delay if we are
1489 * already in the middle of scrolling.
1490 */
1491 if (R->scroll_selection_delay<=0)
1492 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1493
1494 /* save the event params so we can highlight
1495 * the selection in the pending-scroll loop
1496 */
1497 R->selection_save_x=ev->xbutton.x;
1498 R->selection_save_y=ev->xbutton.y;
1499 R->selection_save_state=
1500 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1501
1502 /* calc number of lines to scroll */
1503 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1504 R->scroll_selection_dir = UP;
1505 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1506 }
1507 else {
1508 R->scroll_selection_dir = DN;
1509 dist = ev->xbutton.y -
1510 (R->TermWin.int_bwidth + R->TermWin.height);
1511 }
1512 R->scroll_selection_lines=(Pixel2Height(dist)/
1513 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1514 MIN_IT(R->scroll_selection_lines,
1515 SELECTION_SCROLL_MAX_LINES);
1516 }
1517 else {
1518 /* we are within the text window, so we
1519 * shouldn't be scrolling
1520 */
1521 R->pending_scroll_selection = 0;
1522 }
1523#endif
1524#ifdef MOUSE_THRESHOLD
1525 }
1526#endif
1527 }
1528 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1529 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1530 MotionNotify, ev)) ;
1531 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1532 &unused_root, &unused_child,
1533 &unused_root_x, &unused_root_y,
1534 &(ev->xbutton.x), &(ev->xbutton.y),
1535 &unused_mask);
1536 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1537 scrollbar_size());
1538 rxvt_scr_refresh(aR_ R->refresh_type);
1539 R->refresh_limit = 0;
1540 rxvt_scrollbar_show(aR_ 1);
1541 }
1542 break;
1543 }
1544}
1545
1546/* INTPROTO */
1547void
1548rxvt_button_press(pR_ XButtonEvent *ev)
1549{
1550 int reportmode = 0, clickintime;
1551
1552 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1553 if (!R->bypass_keystate)
1554 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1555/*
1556 * VT window processing of button press
1557 */
1558 if (ev->window == R->TermWin.vt)
1559 {
1560#if RXVT_GRAPHICS
1561 if (ev->subwindow != None)
1562 rxvt_Gr_ButtonPress(ev->x, ev->y);
1563 else
1564#endif
1565 { 2348 {
1566 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME; 2349 try
1567 if (reportmode)
1568 { 2350 {
1569 /* mouse report from vt window */ 2351 process_nonprinting (ch);
1570 /* save the xbutton state (for ButtonRelease) */
1571 R->MEvent.state = ev->state;
1572#ifdef MOUSE_REPORT_DOUBLECLICK
1573 if (ev->button == R->MEvent.button && clickintime)
1574 {
1575 /* same button, within alloted time */
1576 R->MEvent.clicks++;
1577 if (R->MEvent.clicks > 1)
1578 {
1579 /* only report double clicks */
1580 R->MEvent.clicks = 2;
1581 rxvt_mouse_report(aR_ ev);
1582
1583 /* don't report the release */
1584 R->MEvent.clicks = 0;
1585 R->MEvent.button = AnyButton;
1586 }
1587 }
1588 else
1589 {
1590 /* different button, or time expired */
1591 R->MEvent.clicks = 1;
1592 R->MEvent.button = ev->button;
1593 rxvt_mouse_report(aR_ ev);
1594 }
1595#else
1596 R->MEvent.button = ev->button;
1597 rxvt_mouse_report(aR_ ev);
1598#endif /* MOUSE_REPORT_DOUBLECLICK */
1599 }
1600 else 2352 }
2353 catch (const class out_of_input &o)
1601 { 2354 {
1602 if (ev->button != R->MEvent.button) 2355 // we ran out of input, retry later
1603 R->MEvent.clicks = 0; 2356 cmdbuf_ptr = seq_begin;
1604 switch (ev->button)
1605 {
1606 case Button1:
1607 if (R->MEvent.button == Button1 && clickintime)
1608 R->MEvent.clicks++;
1609 else
1610 R->MEvent.clicks = 1;
1611 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1612 R->MEvent.button = Button1;
1613 break; 2357 break;
1614
1615 case Button3:
1616 if (R->MEvent.button == Button3 && clickintime)
1617 rxvt_selection_rotate(aR_ ev->x, ev->y);
1618 else
1619 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1620 R->MEvent.button = Button3;
1621 break;
1622 } 2358 }
1623 } 2359
1624 R->MEvent.time = ev->time; 2360 ch = NOCHAR;
1625 return;
1626 }
1627 } 2361 }
1628
1629/*
1630 * Scrollbar window processing of button press
1631 */
1632 if (isScrollbarWindow(ev->window))
1633 {
1634 scrollbar_setIdle();
1635 /*
1636 * Rxvt-style scrollbar:
1637 * move up if mouse is above slider
1638 * move dn if mouse is below slider
1639 *
1640 * XTerm-style scrollbar:
1641 * Move display proportional to pointer location
1642 * pointer near top -> scroll one line
1643 * pointer near bot -> scroll full page
1644 */
1645#ifndef NO_SCROLLBAR_REPORT
1646 if (reportmode) {
1647 /*
1648 * Mouse report disabled scrollbar:
1649 * arrow buttons - send up/down
1650 * click on scrollbar - send pageup/down
1651 */
1652 if ((R->scrollBar.style == R_SB_NEXT
1653 && scrollbarnext_upButton(ev->y))
1654 || (R->scrollBar.style == R_SB_RXVT
1655 && scrollbarrxvt_upButton(ev->y)))
1656 rxvt_tt_printf(aR_ "\033[A");
1657 else if ((R->scrollBar.style == R_SB_NEXT
1658 && scrollbarnext_dnButton(ev->y))
1659 || (R->scrollBar.style == R_SB_RXVT
1660 && scrollbarrxvt_dnButton(ev->y)))
1661 rxvt_tt_printf(aR_ "\033[B");
1662 else
1663 switch (ev->button) {
1664 case Button2:
1665 rxvt_tt_printf(aR_ "\014");
1666 break;
1667 case Button1:
1668 rxvt_tt_printf(aR_ "\033[6~");
1669 break;
1670 case Button3:
1671 rxvt_tt_printf(aR_ "\033[5~");
1672 break;
1673 }
1674 }
1675 else
1676#endif /* NO_SCROLLBAR_REPORT */
1677 {
1678 char upordown = 0;
1679
1680 if (R->scrollBar.style == R_SB_NEXT) {
1681 if (scrollbarnext_upButton(ev->y))
1682 upordown = -1; /* up */
1683 else if (scrollbarnext_dnButton(ev->y))
1684 upordown = 1; /* down */
1685 } else if (R->scrollBar.style == R_SB_RXVT) {
1686 if (scrollbarrxvt_upButton(ev->y))
1687 upordown = -1; /* up */
1688 else if (scrollbarrxvt_dnButton(ev->y))
1689 upordown = 1; /* down */
1690 } 2362 }
1691 if (upordown) {
1692#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1693 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1694#endif
1695 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1696 if (upordown < 0)
1697 scrollbar_setUp();
1698 else
1699 scrollbar_setDn();
1700 }
1701 } else
1702 switch (ev->button) {
1703 case Button2:
1704 switch (R->scrollbar_align) {
1705 case R_SB_ALIGN_TOP:
1706 R->csrO = 0;
1707 break;
1708 case R_SB_ALIGN_CENTRE:
1709 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1710 break;
1711 case R_SB_ALIGN_BOTTOM:
1712 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1713 break;
1714 }
1715 if (R->scrollBar.style == R_SB_XTERM
1716 || scrollbar_above_slider(ev->y)
1717 || scrollbar_below_slider(ev->y))
1718 rxvt_scr_move_to(aR_
1719 scrollbar_position(ev->y) - R->csrO,
1720 scrollbar_size());
1721 scrollbar_setMotion();
1722 break;
1723
1724 case Button1:
1725 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1726 R->csrO = ev->y - R->scrollBar.top;
1727 /* FALLTHROUGH */
1728
1729 case Button3:
1730 if (R->scrollBar.style != R_SB_XTERM) {
1731 if (scrollbar_above_slider(ev->y))
1732# ifdef RXVT_SCROLL_FULL
1733 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1734# else
1735 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1736# endif
1737 else if (scrollbar_below_slider(ev->y))
1738# ifdef RXVT_SCROLL_FULL
1739 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1740# else
1741 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1742# endif
1743 else
1744 scrollbar_setMotion();
1745 } else {
1746 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1747 (R->TermWin.nrow
1748 * scrollbar_position(ev->y)
1749 / scrollbar_size()));
1750 }
1751 break;
1752 }
1753 }
1754 return;
1755 }
1756#if MENUBAR
1757 /*
1758 * Menubar window processing of button press
1759 */
1760 if (isMenuBarWindow(ev->window))
1761 rxvt_menubar_control(aR_ ev);
1762#endif
1763} 2363}
1764 2364
1765/* INTPROTO */ 2365// read the next character
1766void 2366wchar_t ecb_hot
1767rxvt_button_release(pR_ XButtonEvent *ev) 2367rxvt_term::next_char () noexcept
1768{ 2368{
1769 int reportmode = 0; 2369 while (cmdbuf_ptr < cmdbuf_endp)
1770
1771 R->csrO = 0; /* reset csr Offset */
1772 if (!R->bypass_keystate)
1773 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1774
1775 if (scrollbar_isUpDn()) {
1776 scrollbar_setIdle();
1777 rxvt_scrollbar_show(aR_ 0);
1778#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1779 R->refresh_type &= ~SMOOTH_REFRESH;
1780#endif
1781 }
1782#ifdef SELECTION_SCROLLING
1783 R->pending_scroll_selection=0;
1784#endif
1785 if (ev->window == R->TermWin.vt)
1786 { 2370 {
1787#ifdef RXVT_GRAPHICS 2371 // assume 7-bit to be ascii ALWAYS (always true in POSIX)
1788 if (ev->subwindow != None) 2372 if (ecb_likely ((unsigned char)*cmdbuf_ptr <= 0x7f))
1789 rxvt_Gr_ButtonRelease(ev->x, ev->y); 2373 return *cmdbuf_ptr++;
1790 else 2374
1791#endif 2375 wchar_t wc;
2376 size_t len = mbrtowc (&wc, cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, mbstate);
2377
2378 if (len == (size_t)-2)
1792 { 2379 {
1793 if (reportmode) 2380 // the mbstate stores incomplete sequences. didn't know this :/
2381 cmdbuf_ptr = cmdbuf_endp;
2382 break;
2383 }
2384
2385 if (len == (size_t)-1)
1794 { 2386 {
1795 /* mouse report from vt window */ 2387 mbstate.reset (); // reset now undefined conversion state
1796 /* don't report release of wheel "buttons" */ 2388 // a -1 might indicate that a previous incomplete char is invalid (previous return -2)
1797 if (ev->button >= 4) 2389 // in which case we "erroneously" return the next byte which might be valid.
1798 return; 2390 return (unsigned char)*cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
1799#ifdef MOUSE_REPORT_DOUBLECLICK 2391 }
1800 /* only report the release of 'slow' single clicks */ 2392
1801 if (R->MEvent.button != AnyButton 2393 // assume wchar == unicode
1802 && (ev->button != R->MEvent.button 2394 cmdbuf_ptr += len;
1803 || (ev->time - R->MEvent.time 2395 return wc & UNICODE_MASK;
1804 > MULTICLICK_TIME / 2)))
1805 {
1806 R->MEvent.clicks = 0;
1807 R->MEvent.button = AnyButton;
1808 rxvt_mouse_report(aR_ ev);
1809 }
1810#else /* MOUSE_REPORT_DOUBLECLICK */
1811 R->MEvent.button = AnyButton;
1812 rxvt_mouse_report(aR_ ev);
1813#endif /* MOUSE_REPORT_DOUBLECLICK */
1814 return;
1815 } 2396 }
1816 /*
1817 * dumb hack to compensate for the failure of click-and-drag
1818 * when overriding mouse reporting
1819 */
1820 if (R->PrivateModes & PrivMode_mouse_report
1821 && R->bypass_keystate
1822 && ev->button == Button1 && R->MEvent.clicks <= 1)
1823 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1824 2397
1825 switch (ev->button) { 2398 return NOCHAR;
1826 case Button1:
1827 case Button3:
1828 rxvt_selection_make(aR_ ev->time);
1829 break;
1830 case Button2:
1831 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1832 break;
1833#ifdef MOUSE_WHEEL
1834 case Button4:
1835 case Button5:
1836 {
1837 int i, v;
1838
1839 v = (ev->button == Button4) ? UP : DN;
1840 if (ev->state & ShiftMask)
1841 i = 1;
1842 else if ((R->Options & Opt_mouseWheelScrollPage))
1843 i = R->TermWin.nrow - 1;
1844 else
1845 i = 5;
1846# ifdef MOUSE_SLIP_WHEELING
1847 if (ev->state & ControlMask)
1848 {
1849 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1850 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1851 }
1852# endif
1853# ifdef JUMP_MOUSE_WHEEL
1854 rxvt_scr_page(aR_ v, i);
1855 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1856 rxvt_scrollbar_show(aR_ 1);
1857# else
1858 for (; i--;)
1859 {
1860 rxvt_scr_page(aR_ v, 1);
1861 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1862 rxvt_scrollbar_show(aR_ 1);
1863 }
1864# endif
1865 }
1866 break;
1867#endif
1868 }
1869 }
1870 }
1871#ifdef MENUBAR
1872 else if (isMenuBarWindow(ev->window))
1873 rxvt_menubar_control(aR_ ev);
1874#endif
1875} 2399}
1876 2400
1877 2401// read the next octet
1878#ifdef TRANSPARENT 2402uint32_t ecb_hot
1879/* 2403rxvt_term::next_octet () noexcept
1880 * Check our parents are still who we think they are.
1881 * Do transparency updates if required
1882 */
1883/* EXTPROTO */
1884int
1885rxvt_check_our_parents(pR)
1886{ 2404{
1887 int i, pchanged, aformat, have_pixmap, rootdepth; 2405 return cmdbuf_ptr < cmdbuf_endp
1888 unsigned long nitems, bytes_after; 2406 ? (unsigned char)*cmdbuf_ptr++
1889 Atom atype; 2407 : NOCHAR;
1890 unsigned char *prop = NULL;
1891 Window root, oldp, *list;
1892 Pixmap rootpixmap = None;
1893 XWindowAttributes wattr, wrootattr;
1894
1895 pchanged = 0;
1896
1897 if (!(R->Options & Opt_transparent))
1898 return pchanged; /* Don't try any more */
1899
1900 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1901 rootdepth = wrootattr.depth;
1902
1903 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1904 if (rootdepth != wattr.depth) {
1905 if (R->am_transparent) {
1906 pchanged = 1;
1907 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1908 R->PixColors[Color_bg]);
1909 R->am_transparent = R->am_pixmap_trans = 0;
1910 }
1911 return pchanged; /* Don't try any more */
1912 }
1913
1914/* Get all X ops out of the queue so that our information is up-to-date. */
1915 XSync(R->Xdisplay, False);
1916
1917/*
1918 * Make the frame window set by the window manager have
1919 * the root background. Some window managers put multiple nested frame
1920 * windows for each client, so we have to take care about that.
1921 */
1922 i = (R->xa[XA_XROOTPMAPID] != 0
1923 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1924 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1925 &nitems, &bytes_after, &prop) == Success));
1926 if (!i || prop == NULL)
1927 have_pixmap = 0;
1928 else {
1929 have_pixmap = 1;
1930 rootpixmap = *((Pixmap *)prop);
1931 XFree(prop);
1932 }
1933 if (have_pixmap) {
1934/*
1935 * Copy Xroot pixmap transparency
1936 */
1937 int sx, sy, nx, ny;
1938 unsigned int nw, nh;
1939 Window cr;
1940 XImage *image;
1941 GC gc;
1942 XGCValues gcvalue;
1943
1944 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1945 0, 0, &sx, &sy, &cr);
1946 nw = (unsigned int)R->szHint.width;
1947 nh = (unsigned int)R->szHint.height;
1948 nx = ny = 0;
1949 if (sx < 0) {
1950 nw += sx;
1951 nx = -sx;
1952 sx = 0;
1953 }
1954 if (sy < 0) {
1955 nh += sy;
1956 ny = -sy;
1957 sy = 0;
1958 }
1959 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1960 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1961 R->allowedxerror = -1;
1962 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1963 ZPixmap);
1964 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1965 /* XXX: may need a delay here? */
1966 R->allowedxerror = 0;
1967 if (image == NULL) {
1968 if (R->am_transparent && R->am_pixmap_trans) {
1969 pchanged = 1;
1970 if (R->TermWin.pixmap != None) {
1971 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1972 R->TermWin.pixmap = None;
1973 }
1974 }
1975 R->am_pixmap_trans = 0;
1976 } else {
1977 if (R->TermWin.pixmap != None)
1978 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1979 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1980 (unsigned int)R->szHint.width,
1981 (unsigned int)R->szHint.height,
1982 (unsigned int)image->depth);
1983 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1984 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1985 nx, ny, (unsigned int)image->width,
1986 (unsigned int)image->height);
1987 XFreeGC(R->Xdisplay, gc);
1988 XDestroyImage(image);
1989 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1990 R->TermWin.pixmap);
1991 if (!R->am_transparent || !R->am_pixmap_trans)
1992 pchanged = 1;
1993 R->am_transparent = R->am_pixmap_trans = 1;
1994 }
1995 }
1996 if (!R->am_pixmap_trans) {
1997 unsigned int n;
1998/*
1999 * InheritPixmap transparency
2000 */
2001 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2002 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2003 i++) {
2004 oldp = R->TermWin.parent[i];
2005 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2006 &R->TermWin.parent[i], &list, &n);
2007 XFree(list);
2008 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2009 if (R->TermWin.parent[i] == Xroot) {
2010 if (oldp != None)
2011 pchanged = 1;
2012 break;
2013 }
2014 if (oldp != R->TermWin.parent[i])
2015 pchanged = 1;
2016 }
2017 n = 0;
2018 if (pchanged) {
2019 for (; n < (unsigned int)i; n++) {
2020 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2021 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2022 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2023 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2024 break;
2025 }
2026 }
2027 }
2028 if (n > (int)(sizeof(R->TermWin.parent)
2029 / sizeof(R->TermWin.parent[0]))) {
2030 D_X((stderr, "InheritPixmap Turning off"));
2031 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2032 R->PixColors[Color_fg]);
2033 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2034 R->PixColors[Color_bg]);
2035 R->am_transparent = 0;
2036 /* XXX: also turn off Opt_transparent? */
2037 } else {
2038 /* wait (an arbitrary period) for the WM to do its thing
2039 * needed for fvwm2.2.2 (and before?) */
2040# ifdef HAVE_NANOSLEEP
2041 struct timespec rqt;
2042
2043 rqt.tv_sec = 1;
2044 rqt.tv_nsec = 0;
2045 nanosleep(&rqt, NULL);
2046# else
2047 sleep(1);
2048# endif
2049 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2050 for (n = 0; n < (unsigned int)i; n++)
2051 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2052 ParentRelative);
2053 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2054 ParentRelative);
2055 R->am_transparent = 1;
2056 }
2057 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2058 R->TermWin.parent[i] = None;
2059 }
2060 return pchanged;
2061} 2408}
2062#endif
2063 2409
2064/*}}} */ 2410static class out_of_input out_of_input;
2411
2412wchar_t ecb_hot
2413rxvt_term::cmd_getc ()
2414{
2415 wchar_t c = next_char ();
2416
2417 if (c == NOCHAR)
2418 throw out_of_input;
2419
2420 return c;
2421}
2422
2423uint32_t ecb_hot
2424rxvt_term::cmd_get8 ()
2425{
2426 uint32_t c = next_octet ();
2427
2428 if (c == NOCHAR)
2429 throw out_of_input;
2430
2431 return c;
2432}
2065 2433
2066/*{{{ print pipe */ 2434/*{{{ print pipe */
2067/*----------------------------------------------------------------------*/ 2435/*----------------------------------------------------------------------*/
2068#ifdef PRINTPIPE 2436#ifdef PRINTPIPE
2069/* EXTPROTO */ 2437FILE * ecb_cold
2070FILE *
2071rxvt_popen_printer(pR) 2438rxvt_term::popen_printer ()
2072{ 2439{
2073 FILE *stream = popen(R->rs[Rs_print_pipe], "w"); 2440 FILE *stream = popen (rs[Rs_print_pipe] ? rs[Rs_print_pipe] : PRINTPIPE, "w");
2074 2441
2075 if (stream == NULL) 2442 if (stream == NULL)
2076 rxvt_print_error("can't open printer pipe"); 2443 rxvt_warn ("can't open printer pipe, not printing.\n");
2444
2077 return stream; 2445 return stream;
2078} 2446}
2079 2447
2080/* EXTPROTO */ 2448int ecb_cold
2081int
2082rxvt_pclose_printer(FILE *stream) 2449rxvt_term::pclose_printer (FILE *stream)
2083{ 2450{
2084 fflush(stream); 2451 fflush (stream);
2085/* pclose() reported not to work on SunOS 4.1.3 */
2086# if defined (__sun__) /* TODO: RESOLVE THIS */
2087/* pclose works provided SIGCHLD handler uses waitpid */
2088 return pclose(stream); /* return fclose (stream); */
2089# else
2090 return pclose(stream); 2452 return pclose (stream);
2091# endif
2092} 2453}
2093 2454
2094/* 2455/*
2095 * simulate attached vt100 printer 2456 * simulate attached vt100 printer
2096 */ 2457 */
2097/* INTPROTO */ 2458void ecb_cold
2098void
2099rxvt_process_print_pipe(pR) 2459rxvt_term::process_print_pipe ()
2100{ 2460{
2101 int done; 2461 FILE *fd = popen_printer ();
2102 FILE *fd;
2103 2462
2104 if ((fd = rxvt_popen_printer(aR)) == NULL) 2463 if (!fd)
2105 return; 2464 return;
2106 2465
2107/* 2466 /*
2108 * Send all input to the printer until either ESC[4i or ESC[?4i 2467 * Send all input to the printer until either ESC[4i or ESC[?4i
2109 * is received. 2468 * is received.
2110 */ 2469 */
2111 for (done = 0; !done;) { 2470 for (int done = 0; !done; )
2471 {
2112 unsigned char buf[8]; 2472 unsigned char buf[8];
2113 unsigned char ch; 2473 unicode_t ch;
2114 unsigned int i, len; 2474 unsigned int i, len;
2115 2475
2116 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) { 2476 if ((ch = cmd_getc ()) != C0_ESC)
2477 {
2117 if (putc(ch, fd) == EOF) 2478 if (putc (ch, fd) == EOF)
2118 break; /* done = 1 */ 2479 break; /* done = 1 */
2119 } else { 2480 }
2481 else
2482 {
2120 len = 0; 2483 len = 0;
2121 buf[len++] = ch; 2484 buf[len++] = ch;
2122 2485
2123 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') { 2486 if ((buf[len++] = cmd_getc ()) == '[')
2124 if ((ch = rxvt_cmd_getc(aR)) == '?') { 2487 {
2125 buf[len++] = '?'; 2488 if ((ch = cmd_getc ()) == '?')
2126 ch = rxvt_cmd_getc(aR); 2489 {
2127 } 2490 buf[len++] = '?';
2491 ch = cmd_getc ();
2492 }
2128 if ((buf[len++] = ch) == '4') { 2493 if ((buf[len++] = ch) == '4')
2494 {
2129 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i') 2495 if ((buf[len++] = cmd_getc ()) == 'i')
2130 break; /* done = 1 */ 2496 break; /* done = 1 */
2131 } 2497 }
2498 }
2499
2500 for (i = 0; i < len; i++)
2501 if (putc (buf[i], fd) == EOF)
2502 {
2503 done = 1;
2504 break;
2505 }
2506 }
2132 } 2507 }
2133 for (i = 0; i < len; i++) 2508
2134 if (putc(buf[i], fd) == EOF) {
2135 done = 1;
2136 break;
2137 }
2138 }
2139 }
2140 rxvt_pclose_printer(fd); 2509 pclose_printer (fd);
2141} 2510}
2142#endif /* PRINTPIPE */ 2511#endif /* PRINTPIPE */
2143/*}}} */ 2512/*}}} */
2144 2513
2145/* *INDENT-OFF* */
2146enum { 2514enum {
2147 C1_40 = 0x40, 2515 C1_40 = 0x40,
2148 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA, 2516 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2149 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3, 2517 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2150 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA, 2518 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2151 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC 2519 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC,
2152}; 2520};
2153/* *INDENT-ON* */
2154 2521
2155/*{{{ process non-printing single characters */ 2522/*{{{ process non-printing single characters */
2156/* INTPROTO */ 2523void ecb_hot
2157void 2524rxvt_term::process_nonprinting (unicode_t ch)
2158rxvt_process_nonprinting(pR_ unsigned char ch)
2159{ 2525{
2160 switch (ch) { 2526 switch (ch)
2527 {
2528 case C0_ESC:
2529 process_escape_seq ();
2530 break;
2161 case C0_ENQ: /* terminal Status */ 2531 case C0_ENQ: /* terminal Status */
2162 if (R->rs[Rs_answerbackstring]) 2532 if (rs[Rs_answerbackstring])
2163 rxvt_tt_write(aR_ 2533 tt_write (rs [Rs_answerbackstring], strlen (rs [Rs_answerbackstring]));
2164 (const unsigned char *)R->rs[Rs_answerbackstring], 2534 else
2165 (unsigned int)STRLEN(R->rs[Rs_answerbackstring])); 2535 tt_write (VT100_ANS, strlen (VT100_ANS));
2166 else 2536 break;
2167 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2168 (unsigned int)STRLEN(VT100_ANS));
2169 break;
2170 case C0_BEL: /* bell */ 2537 case C0_BEL: /* bell */
2171 rxvt_scr_bell(aR); 2538 scr_bell ();
2172 break; 2539 break;
2173 case C0_BS: /* backspace */ 2540 case C0_BS: /* backspace */
2174 rxvt_scr_backspace(aR); 2541 scr_backspace ();
2175 break; 2542 break;
2176 case C0_HT: /* tab */ 2543 case C0_HT: /* tab */
2177 rxvt_scr_tab(aR_ 1); 2544 scr_tab (1);
2178 break; 2545 break;
2179 case C0_CR: /* carriage return */ 2546 case C0_CR: /* carriage return */
2180 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 2547 scr_gotorc (0, 0, R_RELATIVE);
2181 break; 2548 break;
2182 case C0_VT: /* vertical tab, form feed */ 2549 case C0_VT: /* vertical tab, form feed */
2183 case C0_FF: 2550 case C0_FF:
2184 case C0_LF: /* line feed */ 2551 case C0_LF: /* line feed */
2185 rxvt_scr_index(aR_ UP); 2552 scr_index (UP);
2186 break; 2553 break;
2187 case C0_SO: /* shift out - acs */ 2554 case C0_SO: /* shift out - acs */
2188 rxvt_scr_charset_choose(aR_ 1); 2555 scr_charset_choose (1);
2189 break; 2556 break;
2190 case C0_SI: /* shift in - acs */ 2557 case C0_SI: /* shift in - acs */
2191 rxvt_scr_charset_choose(aR_ 0); 2558 scr_charset_choose (0);
2192 break; 2559 break;
2560
2561#ifdef EIGHT_BIT_CONTROLS
2562 // 8-bit controls
2563 case 0x90: /* DCS */
2564 process_dcs_seq ();
2565 break;
2566 case 0x9b: /* CSI */
2567 process_csi_seq ();
2568 break;
2569 case 0x9d: /* OSC */
2570 process_osc_seq ();
2571 break;
2572#endif
2193 } 2573 }
2194} 2574}
2195/*}}} */ 2575/*}}} */
2196 2576
2197 2577
2198/*{{{ process VT52 escape sequences */ 2578/*{{{ process VT52 escape sequences */
2199/* INTPROTO */ 2579void ecb_cold
2200void 2580rxvt_term::process_escape_vt52 (unicode_t ch)
2201rxvt_process_escape_vt52(pR_ unsigned char ch)
2202{ 2581{
2203 int row, col; 2582 int row, col;
2583
2584 switch (ch)
2204 2585 {
2205 switch (ch) {
2206 case 'A': /* cursor up */ 2586 case 'A': /* cursor up */
2207 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE); 2587 scr_gotorc (-1, 0, R_RELATIVE | C_RELATIVE);
2208 break; 2588 break;
2209 case 'B': /* cursor down */ 2589 case 'B': /* cursor down */
2210 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE); 2590 scr_gotorc (1, 0, R_RELATIVE | C_RELATIVE);
2211 break; 2591 break;
2212 case 'C': /* cursor right */ 2592 case 'C': /* cursor right */
2213 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 2593 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
2214 break; 2594 break;
2215 case 'D': /* cursor left */ 2595 case 'D': /* cursor left */
2216 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 2596 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
2217 break; 2597 break;
2218 case 'H': /* cursor home */ 2598 case 'H': /* cursor home */
2219 rxvt_scr_gotorc(aR_ 0, 0, 0); 2599 scr_gotorc (0, 0, 0);
2220 break; 2600 break;
2221 case 'I': /* cursor up and scroll down if needed */ 2601 case 'I': /* cursor up and scroll down if needed */
2222 rxvt_scr_index(aR_ DN); 2602 scr_index (DN);
2223 break; 2603 break;
2224 case 'J': /* erase to end of screen */ 2604 case 'J': /* erase to end of screen */
2225 rxvt_scr_erase_screen(aR_ 0); 2605 scr_erase_screen (0);
2226 break; 2606 break;
2227 case 'K': /* erase to end of line */ 2607 case 'K': /* erase to end of line */
2228 rxvt_scr_erase_line(aR_ 0); 2608 scr_erase_line (0);
2229 break; 2609 break;
2230 case 'Y': /* move to specified row and col */ 2610 case 'Y': /* move to specified row and col */
2231 /* full command is 'ESC Y row col' where row and col 2611 /* full command is 'ESC Y row col' where row and col
2232 * are encoded by adding 32 and sending the ascii 2612 * are encoded by adding 32 and sending the ascii
2233 * character. eg. SPACE = 0, '+' = 13, '0' = 18, 2613 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2234 * etc. */ 2614 * etc. */
2235 row = rxvt_cmd_getc(aR) - ' '; 2615 row = cmd_getc () - ' ';
2236 col = rxvt_cmd_getc(aR) - ' '; 2616 col = cmd_getc () - ' ';
2237 rxvt_scr_gotorc(aR_ row, col, 0); 2617 scr_gotorc (row, col, 0);
2238 break; 2618 break;
2239 case 'Z': /* identify the terminal type */ 2619 case 'Z': /* identify the terminal type */
2240 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */ 2620 tt_printf ("\033/Z"); /* I am a VT100 emulating a VT52 */
2241 break; 2621 break;
2242 case '<': /* turn off VT52 mode */ 2622 case '<': /* turn off VT52 mode */
2243 PrivMode(0, PrivMode_vt52); 2623 priv_modes &= ~PrivMode_vt52;
2244 break; 2624 break;
2245 case 'F': /* use special graphics character set */ 2625 case 'F': /* use special graphics character set */
2246 case 'G': /* use regular character set */ 2626 case 'G': /* use regular character set */
2247 /* unimplemented */ 2627 /* unimplemented */
2248 break; 2628 break;
2249 case '=': /* use alternate keypad mode */ 2629 case '=': /* use alternate keypad mode */
2250 case '>': /* use regular keypad mode */ 2630 case '>': /* use regular keypad mode */
2251 /* unimplemented */ 2631 /* unimplemented */
2252 break; 2632 break;
2253 } 2633 }
2254} 2634}
2255/*}}} */ 2635/*}}} */
2256 2636
2257 2637
2258/*{{{ process escape sequences */ 2638/*{{{ process escape sequences */
2259/* INTPROTO */ 2639void ecb_hot
2260void
2261rxvt_process_escape_seq(pR) 2640rxvt_term::process_escape_seq ()
2262{ 2641{
2263 unsigned char ch = rxvt_cmd_getc(aR); 2642 unicode_t ch = cmd_getc ();
2264 2643
2265 if (R->PrivateModes & PrivMode_vt52) { 2644 if (priv_modes & PrivMode_vt52)
2266 rxvt_process_escape_vt52(aR_ ch);
2267 return;
2268 }
2269 2645 {
2646 process_escape_vt52 (ch);
2647 return;
2648 }
2649
2270 switch (ch) { 2650 switch (ch)
2271 /* case 1: do_tek_mode (); break; */ 2651 {
2272 case '#': 2652 case '#':
2273 if (rxvt_cmd_getc(aR) == '8') 2653 if (cmd_getc () == '8')
2274 rxvt_scr_E(aR); 2654 scr_E ();
2275 break; 2655 break;
2276 case '(': 2656 case '(':
2277 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR)); 2657 scr_charset_set (0, (unsigned int)cmd_getc ());
2278 break; 2658 break;
2279 case ')': 2659 case ')':
2280 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR)); 2660 scr_charset_set (1, (unsigned int)cmd_getc ());
2281 break; 2661 break;
2282 case '*': 2662 case '*':
2283 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR)); 2663 scr_charset_set (2, (unsigned int)cmd_getc ());
2284 break; 2664 break;
2285 case '+': 2665 case '+':
2286 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR)); 2666 scr_charset_set (3, (unsigned int)cmd_getc ());
2287 break; 2667 break;
2288#ifdef MULTICHAR_SET 2668#if !ENABLE_MINIMAL
2289 case '$':
2290 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2291 break;
2292#endif
2293#ifndef NO_FRILLS
2294 case '6': 2669 case '6':
2295 rxvt_scr_backindex(aR); 2670 scr_backindex ();
2296 break; 2671 break;
2297#endif 2672#endif
2298 case '7': 2673 case '7':
2299 rxvt_scr_cursor(aR_ SAVE); 2674 scr_cursor (SAVE);
2300 break; 2675 break;
2301 case '8': 2676 case '8':
2302 rxvt_scr_cursor(aR_ RESTORE); 2677 scr_cursor (RESTORE);
2303 break; 2678 break;
2304#ifndef NO_FRILLS 2679#if !ENABLE_MINIMAL
2305 case '9': 2680 case '9':
2306 rxvt_scr_forwardindex(aR); 2681 scr_forwardindex ();
2307 break; 2682 break;
2308#endif 2683#endif
2684 // DECPAM/DECPNM
2309 case '=': 2685 case '=':
2686 priv_modes |= PrivMode_aplKP;
2687 break;
2310 case '>': 2688 case '>':
2311 PrivMode((ch == '='), PrivMode_aplKP); 2689 priv_modes &= ~PrivMode_aplKP;
2312 break; 2690 break;
2313 2691
2314 case C1_40: 2692 case C1_40:
2315 rxvt_cmd_getc(aR); 2693 cmd_getc ();
2316 break; 2694 break;
2317 case C1_44: 2695 case C1_44:
2318 rxvt_scr_index(aR_ UP); 2696 scr_index (UP);
2319 break; 2697 break;
2320 2698
2321 /* 8.3.87: NEXT LINE */ 2699 /* 8.3.87: NEXT LINE */
2322 case C1_NEL: /* ESC E */ 2700 case C1_NEL: /* ESC E */
2323 {
2324 uint32_t nlcr[] = { '\n', '\r' };
2325 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2326 } 2701 {
2327 break; 2702 wchar_t nlcr[] = { C0_LF, C0_CR };
2703 scr_add_lines (nlcr, ecb_array_length (nlcr), 1);
2704 }
2705 break;
2328 2706
2707#if 0 // disabled because embedded newlines can make exploits easier
2329 /* kidnapped escape sequence: Should be 8.3.48 */ 2708 /* kidnapped escape sequence: Should be 8.3.48 */
2330 case C1_ESA: /* ESC G */ 2709 case C1_ESA: /* ESC G */
2331 rxvt_process_graphics(aR); 2710 // used by original rxvt for rob nations own graphics mode
2332 break; 2711 if (cmd_getc () == 'Q' && option (Opt_insecure))
2712 tt_printf ("\033G0\012"); /* query graphics - no graphics */
2713 break;
2714#endif
2333 2715
2334 /* 8.3.63: CHARACTER TABULATION SET */ 2716 /* 8.3.63: CHARACTER TABULATION SET */
2335 case C1_HTS: /* ESC H */ 2717 case C1_HTS: /* ESC H */
2336 rxvt_scr_set_tab(aR_ 1); 2718 scr_set_tab (1);
2337 break; 2719 break;
2338 2720
2339 /* 8.3.105: REVERSE LINE FEED */ 2721 /* 8.3.105: REVERSE LINE FEED */
2340 case C1_RI: /* ESC M */ 2722 case C1_RI: /* ESC M */
2341 rxvt_scr_index(aR_ DN); 2723 scr_index (DN);
2342 break; 2724 break;
2343 2725
2344 /* 8.3.142: SINGLE-SHIFT TWO */ 2726 /* 8.3.142: SINGLE-SHIFT TWO */
2345 /*case C1_SS2: scr_single_shift (2); break; */ 2727 /* case C1_SS2: break; */
2346 2728
2347 /* 8.3.143: SINGLE-SHIFT THREE */ 2729 /* 8.3.143: SINGLE-SHIFT THREE */
2348 /*case C1_SS3: scr_single_shift (3); break; */ 2730 /* case C1_SS3: break; */
2349 2731
2350 /* 8.3.27: DEVICE CONTROL STRING */ 2732 /* 8.3.27: DEVICE CONTROL STRING */
2351 case C1_DCS: /* ESC P */ 2733 case C1_DCS: /* ESC P */
2352 rxvt_process_dcs_seq(aR); 2734 process_dcs_seq ();
2353 break; 2735 break;
2354 2736
2355 /* 8.3.110: SINGLE CHARACTER INTRODUCER */ 2737 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2356 case C1_SCI: /* ESC Z */ 2738 case C1_SCI: /* ESC Z */
2357 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER, 2739 tt_write (ESCZ_ANSWER, sizeof (ESCZ_ANSWER) - 1);
2358 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2359 break; /* steal obsolete ESC [ c */ 2740 break; /* steal obsolete ESC [ c */
2360 2741
2361 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */ 2742 /* 8.3.16: CONTROL SEQUENCE INTRODUCER (CSI) */
2362 case C1_CSI: /* ESC [ */ 2743 case C1_CSI: /* ESC [ */
2363 rxvt_process_csi_seq(aR); 2744 process_csi_seq ();
2364 break; 2745 break;
2365 2746
2366 /* 8.3.90: OPERATING SYSTEM COMMAND */ 2747 /* 8.3.90: OPERATING SYSTEM COMMAND (OSC) */
2367 case C1_OSC: /* ESC ] */ 2748 case C1_OSC: /* ESC ] */
2368 rxvt_process_osc_seq(aR); 2749 process_osc_seq ();
2369 break; 2750 break;
2370 2751
2371 /* 8.3.106: RESET TO INITIAL STATE */ 2752 /* 8.3.106: RESET TO INITIAL STATE (RIS) */
2372 case 'c': 2753 case 'c':
2373 rxvt_scr_poweron(aR); 2754 mbstate.reset ();
2374 rxvt_scrollbar_show(aR_ 1); 2755 scr_poweron ();
2375 break; 2756 scrollBar.show (1);
2757 break;
2376 2758
2377 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */ 2759 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2378 case 'n': 2760 case 'n':
2379 rxvt_scr_charset_choose(aR_ 2); 2761 scr_charset_choose (2);
2380 break; 2762 break;
2381 2763
2382 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */ 2764 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2383 case 'o': 2765 case 'o':
2384 rxvt_scr_charset_choose(aR_ 3); 2766 scr_charset_choose (3);
2385 break; 2767 break;
2386 } 2768 }
2387} 2769}
2388/*}}} */ 2770/*}}} */
2389 2771
2390/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */ 2772/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2391/* *INDENT-OFF* */
2392enum { 2773enum {
2393 CSI_ICH = 0x40, 2774 CSI_ICH = 0x40,
2394 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA, 2775 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2395 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA , 2776 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2396 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC, 2777 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2397 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F, 2778 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2398 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC, 2779 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2399 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ, 2780 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2400 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 , 2781 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2401 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F 2782 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2402}; 2783};
2403 2784
2404#define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \ 2785#define make_byte(b0,b1,b2,b3,b4,b5,b6,b7) \
2405 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \ 2786 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2406 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0)) 2787 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2407#define get_byte_array_bit(array, bit) \ 2788#define get_byte_array_bit(array, bit) \
2408 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7)))) 2789 (!! ((array)[(bit) >> 3] & (1 << ((bit) & 7))))
2409 2790
2410const unsigned char csi_defaults[] = { 2791static const unsigned char csi_defaults[] =
2792 {
2411 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */ 2793 make_byte (1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2412 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */ 2794 make_byte (1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2413 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */ 2795 make_byte (1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2414 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */ 2796 make_byte (1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2415 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */ 2797 make_byte (1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2416 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */ 2798 make_byte (0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2417 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */ 2799 make_byte (0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2418 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */ 2800 make_byte (0,0,0,0,0,0,0,0), /* x, y, z, {, |, }, ~, */
2419}; 2801 };
2420/* *INDENT-ON* */
2421 2802
2422/* INTPROTO */ 2803void ecb_hot
2804rxvt_term::process_csi_seq ()
2805{
2806 unicode_t ch, priv, prev_ch, i;
2807 unsigned int nargs, p;
2808 int n, ndef;
2809 int arg[ESC_ARGS] = { };
2810
2811 nargs = 0;
2812
2813 priv = 0;
2814 ch = cmd_getc ();
2815 if ((ch >= '<' && ch <= '?') || ch == '!')
2816 {
2817 /* '<' '=' '>' '?' '!' */
2818 priv = ch;
2819 ch = cmd_getc ();
2820 }
2821
2822 prev_ch = 0;
2823 /* read any numerical arguments */
2824 for (n = -1; ch < CSI_ICH; )
2825 {
2826 if (isdigit (ch))
2827 {
2828 if (n < 0)
2829 n = ch - '0';
2830 else
2831 n = n * 10 + ch - '0';
2832 }
2833 else if (ch == ';')
2834 {
2835 if (nargs < ESC_ARGS)
2836 arg[nargs++] = n;
2837 n = -1;
2838 }
2839 else if (IS_CONTROL (ch))
2840 process_nonprinting (ch);
2841
2842 prev_ch = ch;
2843 ch = cmd_getc ();
2844 }
2845
2846 if (ch > CSI_7F)
2847 return;
2848
2849 if (nargs < ESC_ARGS)
2850 arg[nargs++] = n;
2851
2852 i = ch - CSI_ICH;
2853 ndef = get_byte_array_bit (csi_defaults, i);
2854 for (p = 0; p < nargs; p++)
2855 if (arg[p] == -1)
2856 arg[p] = ndef;
2857
2858 /*
2859 * private mode handling
2860 */
2861 if (priv)
2862 {
2863 switch (priv)
2864 {
2865 case '>':
2866 if (ch == CSI_DA) /* secondary device attributes */
2867 {
2868 // first parameter is normally 0 for vt100, 1 for vt220, 'R' for rxvt,
2869 // 'U' for rxvt-unicode != 7.[34] (where it was broken).
2870 //
2871 // second parameter is xterm patch level for xterm, MMmmpp (e.g. 20703) for rxvt
2872 // and Mm (e.g. 72 for 7.2) for urxvt <= 7.2, 94 for urxvt <= 8.3, and 95 for later
2873 // versions.
2874 //
2875 tt_printf ("\033[>%d;95;0c", 'U');
2876 }
2877 break;
2878
2879 case '?':
2880 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2881 process_terminal_mode (ch, priv, nargs, arg);
2882 if (prev_ch == '$' && ch == 'p')
2883 process_terminal_mode (ch, priv, nargs, arg);
2884 break;
2885
2886 case '!':
2887 if (ch == CSI_70)
2888 {
2889 /* DECSTR: soft terminal reset, used by our terminfo since 9.06 */
2890 scr_soft_reset ();
2891
2892 static const int pm_h[] = { 7, 25 };
2893 static const int pm_l[] = { 1, 3, 4, 5, 6, 9, 66, 1000, 1001, 1005, 1006, 1015, 1049 };
2894
2895 process_terminal_mode ('h', 0, ecb_array_length (pm_h), pm_h);
2896 process_terminal_mode ('l', 0, ecb_array_length (pm_l), pm_l);
2897 }
2898 break;
2899 }
2900
2901 return;
2902 }
2903
2904 switch (ch)
2905 {
2906 /*
2907 * ISO/IEC 6429:1992 (E) CSI sequences (defaults in parentheses)
2908 */
2909#ifdef PRINTPIPE
2910 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2911 switch (arg[0])
2912 {
2913 case 0: /* initiate transfer to primary aux device */
2914 scr_printscreen (0);
2915 break;
2916 case 5: /* start relay to primary aux device */
2917 process_print_pipe ();
2918 break;
2919 }
2920 break;
2921#endif
2922
2923 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2924 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2925 arg[0] = -arg[0];
2926 /* FALLTHROUGH */
2927 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2928 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2929 scr_gotorc (arg[0], 0, RELATIVE);
2930 break;
2931
2932 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2933 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2934#ifdef ISO6429
2935 arg[0] = -arg[0];
2936#else /* emulate common DEC VTs */
2937 arg[0] = arg[0] ? -arg[0] : -1;
2938#endif
2939 /* FALLTHROUGH */
2940 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2941 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2942#ifdef ISO6429
2943 scr_gotorc (0, arg[0], RELATIVE);
2944#else /* emulate common DEC VTs */
2945 scr_gotorc (0, arg[0] ? arg[0] : 1, RELATIVE);
2946#endif
2947 break;
2948
2949 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2950 arg[0] = -arg[0];
2951 /* FALLTHROUGH */
2952 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2953 scr_gotorc (arg[0], 0, R_RELATIVE);
2954 break;
2955
2956 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2957 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2958 scr_gotorc (0, arg[0] - 1, R_RELATIVE);
2959 break;
2960
2961 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2962 scr_gotorc (arg[0] - 1, 0, C_RELATIVE);
2963 break;
2964
2965 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2966 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2967 scr_gotorc (arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2968 break;
2969
2970 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2971 arg[0] = -arg[0];
2972 /* FALLTHROUGH */
2973 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2974 scr_tab (arg[0]);
2975 break;
2976
2977 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2978 scr_erase_screen (arg[0]);
2979 break;
2980
2981 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2982 scr_erase_line (arg[0]);
2983 break;
2984
2985 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2986 scr_insdel_chars (arg[0], INSERT);
2987 break;
2988
2989 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2990 scr_insdel_lines (arg[0], INSERT);
2991 break;
2992
2993 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2994 scr_insdel_lines (arg[0], DELETE);
2995 break;
2996
2997 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2998 scr_insdel_chars (arg[0], ERASE);
2999 break;
3000
3001 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
3002 scr_insdel_chars (arg[0], DELETE);
3003 break;
3004
3005 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
3006 arg[0] = -arg[0];
3007 /* FALLTHROUGH */
3008 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
3009 scr_scroll_text (screen.tscroll, screen.bscroll, arg[0]);
3010 break;
3011
3012 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
3013 tt_write (VT100_ANS, sizeof (VT100_ANS) - 1);
3014 break;
3015
3016 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
3017 process_sgr_mode (nargs, arg);
3018 break;
3019
3020 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
3021 switch (arg[0])
3022 {
3023 case 5: /* DSR requested */
3024 tt_printf ("\033[0n");
3025 break;
3026 case 6: /* CPR requested */
3027 scr_report_position ();
3028 break;
3029 case 7: /* unofficial extension */
3030 if (option (Opt_insecure))
3031 tt_printf ("%-.250s\012", rs[Rs_display_name]);
3032 break;
3033 case 8: /* unofficial extension */
3034 {
3035 string_term st;
3036 st.v[0] = CHAR_ST;
3037 st.v[1] = '\0';
3038 process_xterm_seq (XTerm_title, (char *)RESNAME "-" VERSION, st); // char * cast verified
3039 break;
3040 }
3041 }
3042 break;
3043
3044 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
3045 switch (arg[0])
3046 {
3047 case 0: /* char tab stop cleared at active position */
3048 scr_set_tab (0);
3049 break;
3050 /* case 1: */ /* line tab stop cleared in active line */
3051 /* case 2: */ /* char tab stops cleared in active line */
3052 case 3: /* all char tab stops are cleared */
3053 /* case 4: */ /* all line tab stops are cleared */
3054 case 5: /* all tab stops are cleared */
3055 scr_set_tab (-1);
3056 break;
3057 }
3058 break;
3059
3060 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
3061 switch (arg[0])
3062 {
3063 case 0: /* char tab stop set at active position */
3064 scr_set_tab (1);
3065 break; /* = ESC H */
3066 /* case 1: */ /* line tab stop set at active line */
3067 case 2: /* char tab stop cleared at active position */
3068 scr_set_tab (0);
3069 break; /* = ESC [ 0 g */
3070 /* case 3: */ /* line tab stop cleared at active line */
3071 /* case 4: */ /* char tab stops cleared at active line */
3072 case 5: /* all char tab stops are cleared */
3073 scr_set_tab (-1);
3074 break; /* = ESC [ 3 g */
3075 /* case 6: */ /* all line tab stops are cleared */
3076 }
3077 break;
3078
3079 case CSI_RM: /* 8.3.107: RESET MODE */
3080 if (arg[0] == 4)
3081 scr_insert_mode (0);
3082 else if (arg[0] == 20)
3083 priv_modes &= ~PrivMode_LFNL;
3084 break;
3085
3086 case CSI_SM: /* 8.3.126: SET MODE */
3087 if (arg[0] == 4)
3088 scr_insert_mode (1);
3089 else if (arg[0] == 20)
3090 priv_modes |= PrivMode_LFNL;
3091 break;
3092
3093 case CSI_71: // DECSCUSR: set cursor style
3094 if (prev_ch == ' ')
3095 set_cursor_style (arg[0]);
3096 break;
3097
3098 /*
3099 * PRIVATE USE beyond this point. All CSI_7? sequences here
3100 */
3101 case CSI_72: /* DECSTBM: set top and bottom margins */
3102 if (nargs == 1)
3103 scr_scroll_region (arg[0] - 1, MAX_ROWS - 1);
3104 else if (nargs == 0 || arg[0] >= arg[1])
3105 scr_scroll_region (0, MAX_ROWS - 1);
3106 else
3107 scr_scroll_region (arg[0] - 1, arg[1] - 1);
3108 break;
3109
3110 case CSI_73:
3111 scr_cursor (SAVE);
3112 break;
3113 case CSI_75:
3114 scr_cursor (RESTORE);
3115 break;
3116
3117#if !ENABLE_MINIMAL
3118 case CSI_74:
3119 process_window_ops (arg, nargs);
3120 break;
3121#endif
3122
3123 case CSI_78: /* DECREQTPARM */
3124 if (arg[0] == 0 || arg[0] == 1)
3125 tt_printf ("\033[%d;1;1;128;128;1;0x", arg[0] + 2);
3126 break;
3127
3128 default:
3129 break;
3130 }
3131}
3132/*}}} */
3133
3134#if !ENABLE_MINIMAL
2423void 3135void
2424rxvt_process_csi_seq(pR)
2425{
2426 unsigned char ch, priv, i;
2427 unsigned int nargs, p;
2428 int n, ndef;
2429 int arg[ESC_ARGS];
2430
2431 for (nargs = ESC_ARGS; nargs > 0;)
2432 arg[--nargs] = 0;
2433
2434 priv = 0;
2435 ch = rxvt_cmd_getc(aR);
2436 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2437 priv = ch;
2438 ch = rxvt_cmd_getc(aR);
2439 }
2440/* read any numerical arguments */
2441 for (n = -1; ch < CSI_ICH; ) {
2442 if (isdigit(ch)) {
2443 if (n < 0)
2444 n = ch - '0';
2445 else
2446 n = n * 10 + ch - '0';
2447 } else if (ch == ';') {
2448 if (nargs < ESC_ARGS)
2449 arg[nargs++] = n;
2450 n = -1;
2451 } else if (ch == '\b') {
2452 rxvt_scr_backspace(aR);
2453 } else if (ch == C0_ESC) {
2454 rxvt_process_escape_seq(aR);
2455 return;
2456 } else if (ch < ' ') {
2457 rxvt_process_nonprinting(aR_ ch);
2458 }
2459 ch = rxvt_cmd_getc(aR);
2460 }
2461
2462 if (ch > CSI_7F)
2463 return;
2464
2465 if (nargs < ESC_ARGS)
2466 arg[nargs++] = n;
2467
2468 i = ch - CSI_ICH;
2469 ndef = get_byte_array_bit(csi_defaults, i);
2470 for (p = 0; p < nargs; p++)
2471 if (arg[p] == -1)
2472 arg[p] = ndef;
2473
2474#ifdef DEBUG_CMD
2475 fprintf(stderr, "CSI ");
2476 for (p = 0; p < nargs; p++)
2477 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2478 fprintf(stderr, "%c\n", ch);
2479#endif
2480
2481/*
2482 * private mode handling
2483 */
2484 if (priv) {
2485 switch (priv) {
2486 case '>':
2487 if (ch == CSI_DA) /* secondary device attributes */
2488 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2489 break;
2490 case '?':
2491 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2492 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2493 break;
2494 }
2495 return;
2496 }
2497
2498 switch (ch) {
2499/*
2500 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2501 */
2502#ifdef PRINTPIPE
2503 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2504 switch (arg[0]) {
2505 case 0: /* initiate transfer to primary aux device */
2506 rxvt_scr_printscreen(aR_ 0);
2507 break;
2508 case 5: /* start relay to primary aux device */
2509 rxvt_process_print_pipe(aR);
2510 break;
2511 }
2512 break;
2513#endif
2514
2515 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2516 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2517 arg[0] = -arg[0];
2518 /* FALLTHROUGH */
2519 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2520 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2521 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2522 break;
2523
2524 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2525 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2526#ifdef ISO6429
2527 arg[0] = -arg[0];
2528#else /* emulate common DEC VTs */
2529 arg[0] = arg[0] ? -arg[0] : -1;
2530#endif
2531 /* FALLTHROUGH */
2532 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2533 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2534#ifdef ISO6429
2535 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2536#else /* emulate common DEC VTs */
2537 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2538#endif
2539 break;
2540
2541 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2542 arg[0] = -arg[0];
2543 /* FALLTHROUGH */
2544 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2545 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2546 break;
2547
2548 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2549 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2550 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2551 break;
2552
2553 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2554 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2555 break;
2556
2557 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2558 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2559 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2560 break;
2561
2562 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2563 arg[0] = -arg[0];
2564 /* FALLTHROUGH */
2565 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2566 rxvt_scr_tab(aR_ arg[0]);
2567 break;
2568
2569 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2570 rxvt_scr_erase_screen(aR_ arg[0]);
2571 break;
2572
2573 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2574 rxvt_scr_erase_line(aR_ arg[0]);
2575 break;
2576
2577 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2578 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2579 break;
2580
2581 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2582 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2583 break;
2584
2585 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2586 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2587 break;
2588
2589 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2590 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2591 break;
2592
2593 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2594 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2595 break;
2596
2597 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2598 arg[0] = -arg[0];
2599 /* FALLTHROUGH */
2600 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2601 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2602 break;
2603
2604 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2605 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2606 (unsigned int)(sizeof(VT100_ANS) - 1));
2607 break;
2608
2609 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2610 rxvt_process_sgr_mode(aR_ nargs, arg);
2611 break;
2612
2613 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2614 switch (arg[0]) {
2615 case 5: /* DSR requested */
2616 rxvt_tt_printf(aR_ "\033[0n");
2617 break;
2618 case 6: /* CPR requested */
2619 rxvt_scr_report_position(aR);
2620 break;
2621#if defined (ENABLE_DISPLAY_ANSWER)
2622 case 7: /* unofficial extension */
2623 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]);
2624 break;
2625#endif
2626 case 8: /* unofficial extension */
2627 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2628 break;
2629 }
2630 break;
2631
2632 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2633 switch (arg[0]) {
2634 case 0: /* char tab stop cleared at active position */
2635 rxvt_scr_set_tab(aR_ 0);
2636 break;
2637 /* case 1: */ /* line tab stop cleared in active line */
2638 /* case 2: */ /* char tab stops cleared in active line */
2639 case 3: /* all char tab stops are cleared */
2640 /* case 4: */ /* all line tab stops are cleared */
2641 case 5: /* all tab stops are cleared */
2642 rxvt_scr_set_tab(aR_ -1);
2643 break;
2644 }
2645 break;
2646
2647 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2648 switch (arg[0]) {
2649 case 0: /* char tab stop set at active position */
2650 rxvt_scr_set_tab(aR_ 1);
2651 break; /* = ESC H */
2652 /* case 1: */ /* line tab stop set at active line */
2653 case 2: /* char tab stop cleared at active position */
2654 rxvt_scr_set_tab(aR_ 0);
2655 break; /* = ESC [ 0 g */
2656 /* case 3: */ /* line tab stop cleared at active line */
2657 /* case 4: */ /* char tab stops cleared at active line */
2658 case 5: /* all char tab stops are cleared */
2659 rxvt_scr_set_tab(aR_ -1);
2660 break; /* = ESC [ 3 g */
2661 /* case 6: */ /* all line tab stops are cleared */
2662 }
2663 break;
2664
2665 case CSI_RM: /* 8.3.107: RESET MODE */
2666 if (arg[0] == 4)
2667 rxvt_scr_insert_mode(aR_ 0);
2668 break;
2669
2670 case CSI_SM: /* 8.3.126: SET MODE */
2671 if (arg[0] == 4)
2672 rxvt_scr_insert_mode(aR_ 1);
2673 break;
2674
2675/*
2676 * PRIVATE USE beyond this point. All CSI_7? sequences here
2677 */
2678 case CSI_72: /* DECSTBM: set top and bottom margins */
2679 if (nargs == 1)
2680 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2681 else if (nargs == 0 || arg[0] >= arg[1])
2682 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2683 else
2684 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2685 break;
2686
2687 case CSI_73:
2688 rxvt_scr_cursor(aR_ SAVE);
2689 break;
2690 case CSI_75:
2691 rxvt_scr_cursor(aR_ RESTORE);
2692 break;
2693
2694#ifndef NO_FRILLS
2695 case CSI_74:
2696 rxvt_process_window_ops(aR_ arg, nargs);
2697 break;
2698#endif
2699
2700 case CSI_78: /* DECREQTPARM */
2701 if (arg[0] == 0 || arg[0] == 1)
2702 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2703 /* FALLTHROUGH */
2704
2705 default:
2706 break;
2707 }
2708}
2709/*}}} */
2710
2711#ifndef NO_FRILLS
2712/* ARGSUSED */
2713/* INTPROTO */
2714void
2715rxvt_process_window_ops(pR_ const int *args, unsigned int nargs) 3136rxvt_term::process_window_ops (const int *args, unsigned int nargs)
2716{ 3137{
2717 int x, y; 3138 int x, y;
2718#if 0
2719 char *s;
2720#endif
2721 XWindowAttributes wattr; 3139 XWindowAttributes wattr;
2722 Window wdummy; 3140 Window wdummy;
2723 3141
3142 dLocal (Display *, dpy);
3143
2724 if (nargs == 0) 3144 if (nargs == 0)
2725 return; 3145 return;
3146
2726 switch (args[0]) { 3147 switch (args[0])
3148 {
2727 /* 3149 /*
2728 * commands 3150 * commands
2729 */ 3151 */
2730 case 1: /* deiconify window */ 3152 case 1: /* deiconify window */
2731 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 3153 XMapWindow (dpy, parent);
2732 break; 3154 break;
2733 case 2: /* iconify window */ 3155 case 2: /* iconify window */
2734 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0], 3156 XIconifyWindow (dpy, parent, display->screen);
2735 DefaultScreen(R->Xdisplay)); 3157 break;
2736 break;
2737 case 3: /* set position (pixels) */ 3158 case 3: /* set position (pixels) */
2738 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]); 3159 XMoveWindow (dpy, parent, args[1], args[2]);
2739 break; 3160 break;
2740 case 4: /* set size (pixels) */ 3161 case 4: /* set size (pixels) */
2741 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]); 3162 set_widthheight ((unsigned int)args[2], (unsigned int)args[1]);
2742 break; 3163 break;
2743 case 5: /* raise window */ 3164 case 5: /* raise window */
2744 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]); 3165 XRaiseWindow (dpy, parent);
2745 break; 3166 break;
2746 case 6: /* lower window */ 3167 case 6: /* lower window */
2747 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]); 3168 XLowerWindow (dpy, parent);
2748 break; 3169 break;
2749 case 7: /* refresh window */ 3170 case 7: /* refresh window */
2750 rxvt_scr_touch(aR_ True); 3171 scr_touch (true);
2751 break; 3172 break;
2752 case 8: /* set size (chars) */ 3173 case 8: /* set size (chars) */
2753 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth), 3174 set_widthheight ((unsigned int) (args[2] * fwidth),
2754 (unsigned int)(args[1] * R->TermWin.fheight)); 3175 (unsigned int) (args[1] * fheight));
2755 break; 3176 break;
3177
3178 //case 9: NYI, TODO, restore maximized window or maximize window
2756 default: 3179 default:
2757 if (args[0] >= 24) /* set height (chars) */ 3180 if (args[0] >= 24) /* set height (chars) */
2758 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width, 3181 set_widthheight ((unsigned int)vt_width,
2759 (unsigned int)(args[1] * R->TermWin.fheight)); 3182 (unsigned int) (args[1] * fheight));
2760 break; 3183 break;
3184
2761 /* 3185 /*
2762 * reports - some output format copied from XTerm 3186 * reports - some output format copied from XTerm
2763 */ 3187 */
2764 case 11: /* report window state */ 3188 case 11: /* report window state */
2765 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3189 XGetWindowAttributes (dpy, parent, &wattr);
2766 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2); 3190 tt_printf ("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2767 break; 3191 break;
2768 case 13: /* report window position */ 3192 case 13: /* report window position */
2769 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3193 XGetWindowAttributes (dpy, parent, &wattr);
2770 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root, 3194 XTranslateCoordinates (dpy, parent, wattr.root,
2771 -wattr.border_width, -wattr.border_width, 3195 -wattr.border_width, -wattr.border_width,
2772 &x, &y, &wdummy); 3196 &x, &y, &wdummy);
2773 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y); 3197 tt_printf ("\033[3;%d;%dt", x, y);
2774 break; 3198 break;
2775 case 14: /* report window size (pixels) */ 3199 case 14: /* report window size (pixels) */
2776 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3200 XGetWindowAttributes (dpy, parent, &wattr);
2777 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width); 3201 tt_printf ("\033[4;%d;%dt", wattr.height, wattr.width);
2778 break; 3202 break;
3203 case 18: /* report text area size (chars) */
3204 tt_printf ("\033[8;%d;%dt", nrow, ncol);
3205 break;
2779 case 18: /* report window size (chars) */ 3206 case 19: /* report window size (chars) */
2780 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol); 3207 tt_printf ("\033[9;%d;%dt", nrow, ncol);
2781 break; 3208 break;
2782#if 0 /* XXX: currently disabled due to security concerns */
2783 case 20: /* report icon label */ 3209 case 20: /* report icon label */
2784 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s); 3210 {
2785 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */ 3211 char *s;
2786 break; 3212 XGetIconName (dpy, parent, &s);
3213 tt_printf ("\033]L%-.250s\234", option (Opt_insecure) && s ? s : ""); /* 8bit ST */
3214 XFree (s);
3215 }
3216 break;
2787 case 21: /* report window title */ 3217 case 21: /* report window title */
2788 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s); 3218 {
2789 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */ 3219 char *s;
2790 break; 3220 XFetchName (dpy, parent, &s);
2791#endif 3221 tt_printf ("\033]l%-.250s\234", option (Opt_insecure) && s ? s : ""); /* 8bit ST */
3222 XFree (s);
3223 }
3224 break;
2792 } 3225 }
2793} 3226}
2794#endif 3227#endif
2795 3228
2796/*----------------------------------------------------------------------*/ 3229/*----------------------------------------------------------------------*/
2797/* 3230/*
2798 * get input up until STRING TERMINATOR (or BEL) 3231 * get input up until STRING TERMINATOR (or BEL)
2799 * ends_how is terminator used. returned input must be free()d 3232 * ends_how is terminator used. returned input must be free()'d
2800 */ 3233 */
2801/* INTPROTO */ 3234char *
2802unsigned char * 3235rxvt_term::get_to_st (string_term &st)
2803rxvt_get_to_st(pR_ unsigned char *ends_how)
2804{ 3236{
2805 int seen_esc = 0; /* seen escape? */ 3237 unicode_t ch;
3238 bool seen_esc = false;
2806 unsigned int n = 0; 3239 unsigned int n = 0;
2807 unsigned char *s; 3240 wchar_t string[CBUFSIZ];
2808 unsigned char ch, string[STRING_MAX];
2809 3241
2810 for (; (ch = rxvt_cmd_getc(aR));) { 3242 while ((ch = cmd_getc ()) != NOCHAR)
2811 if (ch == C0_BEL 3243 {
2812 || ch == CHAR_ST 3244 if (seen_esc)
2813 || (ch == 0x5c && seen_esc)) /* 7bit ST */ 3245 {
3246 if (ch == 0x5c) /* 7bit ST */
3247 break;
3248 else
3249 return NULL;
3250 }
3251 else if (ch == C0_ESC)
3252 {
3253 seen_esc = true;
3254 continue;
3255 }
3256 else if (ch == C0_BEL || ch == CHAR_ST)
2814 break; 3257 break;
2815 if (ch == C0_ESC) { 3258 else if (ch == C0_SYN)
2816 seen_esc = 1; 3259 ch = cmd_get8 ();
2817 continue; 3260 else if (ch < 0x20)
2818 } else if (ch == '\t')
2819 ch = ' '; /* translate '\t' to space */
2820 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2821 return NULL; /* other control character - exit */ 3261 return NULL; /* other control character - exit */
3262
3263 seen_esc = false;
3264
2822 if (n < sizeof(string) - 1) 3265 if (n >= sizeof (string) - 1)
3266 // stop at some sane length
3267 return NULL;
3268
2823 string[n++] = ch; 3269 string[n++] = ch;
2824 seen_esc = 0;
2825 } 3270 }
3271
2826 string[n++] = '\0'; 3272 string[n++] = '\0';
2827 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL) 3273
2828 return NULL; 3274 n = 0;
2829 *ends_how = (ch == 0x5c ? C0_ESC : ch); 3275 if (ch == 0x5c)
2830 STRNCPY(s, string, n); 3276 st.v[n++] = C0_ESC;
2831 return s; 3277 st.v[n++] = ch;
3278 st.v[n] = '\0';
3279
3280 return rxvt_wcstombs (string);
2832} 3281}
2833 3282
2834/*----------------------------------------------------------------------*/ 3283/*----------------------------------------------------------------------*/
2835/* 3284/*
2836 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)' 3285 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2837 */ 3286 */
2838/* INTPROTO */
2839void 3287void
2840rxvt_process_dcs_seq(pR) 3288rxvt_term::process_dcs_seq ()
2841{ 3289{
2842 unsigned char eh, *s; 3290 /*
2843/*
2844 * Not handled yet 3291 * Not handled yet
2845 */ 3292 */
2846 s = rxvt_get_to_st(aR_ &eh); 3293
3294 string_term st;
3295 char *s = get_to_st (st);
2847 if (s) 3296 if (s)
2848 free(s); 3297 free (s);
3298
2849 return; 3299 return;
2850} 3300}
2851 3301
2852/*----------------------------------------------------------------------*/ 3302/*----------------------------------------------------------------------*/
2853/* 3303/*
2854 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)' 3304 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2855 */ 3305 */
2856/* INTPROTO */
2857void 3306void
2858rxvt_process_osc_seq(pR) 3307rxvt_term::process_osc_seq ()
2859{ 3308{
2860 unsigned char ch, eh, *s; 3309 int arg;
2861 int arg;
2862 3310
2863 ch = rxvt_cmd_getc(aR); 3311 unicode_t ch = cmd_getc ();
2864 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR)) 3312 for (arg = 0; isdigit (ch); ch = cmd_getc ())
2865 arg = arg * 10 + (ch - '0'); 3313 arg = arg * 10 + (ch - '0');
2866 3314
2867 if (ch == ';') { 3315 if (ch == ';')
2868 s = rxvt_get_to_st(aR_ &eh); 3316 {
2869 if (s) { 3317 string_term st;
2870 /* 3318 char *s = get_to_st (st);
2871 * rxvt_menubar_dispatch() violates the constness of the string, 3319
2872 * so do it here 3320 if (s)
2873 */ 3321 {
2874 if (arg == XTerm_Menu) 3322 process_xterm_seq (arg, s, st);
2875#if 0 /* XXX: currently disabled due to security concerns */ 3323 free (s);
2876 rxvt_menubar_dispatch(aR_ (char *)s); 3324 }
3325 }
3326}
3327
3328static unsigned int
3329colorcube_index (unsigned int idx_r,
3330 unsigned int idx_g,
3331 unsigned int idx_b)
3332{
3333 assert (idx_r < Red_levels);
3334 assert (idx_g < Green_levels);
3335 assert (idx_b < Blue_levels);
3336
3337 return idx_r * Blue_levels * Green_levels +
3338 idx_g * Blue_levels +
3339 idx_b;
3340}
3341
3342/*
3343 * Find the nearest color slot in the hidden color cube,
3344 * adapt its value to the 32bit RGBA color.
3345 */
3346unsigned int
3347rxvt_term::map_rgb24_color (unsigned int r, unsigned int g, unsigned int b, unsigned int a)
3348{
3349 r &= 0xff;
3350 g &= 0xff;
3351 b &= 0xff;
3352 a &= 0xff;
3353
3354 uint32_t color = (a << 24) | (r << 16) | (g << 8) | b;
3355
3356 /* we allow one of the 6 closest neighbouring colours */
3357 /* to replace the current color, if they not used recently */
3358 #if 0
3359 static const unsigned char dxyz[][3] = {
3360 0, 0, 0,
3361 0, 0, 4,
3362 0, 4, 4,
3363 4, 4, 0,
3364 4, 0, 4,
3365 0, 4, 0,
3366 4, 0, 0,
3367 };
2877#else 3368 #else
2878 0; 3369 // silly compressed verlapping triplets version of above
3370 static const unsigned char dxyz[] = {
3371 0, 0, 0, 4, 4, 0, 4, 0, 0,
3372 };
2879#endif 3373 #endif
3374
3375 static const unsigned char color_level[8][32] = {
3376 // neighbour index
3377 {0, 0, 1, 0, 0, 1, 1, 2, 2, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3},
3378 {0, 1, 0, 1, 1, 2, 1, 1, 2, 2, 3, 3, 2, 2, 2, 3, 3, 3, 4, 4, 4, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4},
3379 {0, 0, 1, 2, 1, 1, 2, 3, 3, 2, 2, 3, 3, 4, 4, 3, 3, 3, 4, 4, 5, 5, 5, 4, 4, 4, 5, 5, 5, 5, 5, 5},
3380 {0, 0, 2, 1, 2, 3, 2, 2, 3, 4, 4, 3, 3, 4, 4, 5, 5, 4, 4, 5, 5, 5, 6, 6, 5, 5, 5, 6, 6, 6, 6, 6},
3381 // Red_levels/Green_levels/Blue_levels index
3382 {0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
3383 {0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
3384 {0, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5},
3385 {0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6},
3386 };
3387
3388 unsigned int idx;
3389
3390 for (int n = 0; n < ecb_array_length (dxyz) - 2; ++n)
3391 {
3392 unsigned int idx_r = color_level[ Red_levels - dxyz[n + 0]][r / 8];
3393 unsigned int idx_g = color_level[Green_levels - dxyz[n + 1]][g / 8];
3394 unsigned int idx_b = color_level[ Blue_levels - dxyz[n + 2]][b / 8];
3395 unsigned int index = colorcube_index (idx_r, idx_g, idx_b);
3396
3397 if (n == 0)
3398 idx = index;
3399
3400 if (rgb24_color[index] == color)
3401 {
3402 rgb24_seqno[index] = ++rgb24_sequence;
3403 return index + minTermCOLOR24;
3404 }
3405
3406 // minor issue: could update index 0 few more times
3407 if ((rgb24_seqno[index] | rgb24_color[index]) == 0)
3408 {
3409 idx = index;
3410 goto update;
3411 }
3412
3413 // like (rgb24_seqno[idx] > rgb24_seqno[index])
3414 // but also handles wrap around values well enough
3415 if ((uint16_t)(rgb24_seqno[idx] - rgb24_seqno[index]) < 0x8000)
3416 idx = index;
3417 }
3418
3419update:
3420 rgb24_color[idx] = color;
3421 rgb24_seqno[idx] = ++rgb24_sequence;
3422
3423 idx += minTermCOLOR24;
3424 pix_colors_focused [idx].free (this);
3425 pix_colors_focused [idx].set (this, rgba (r * 0x0101, g * 0x0101, b * 0x0101, a * 0x0101));
3426 update_fade_color (idx, false);
3427
3428 return idx;
3429}
3430
3431void
3432rxvt_term::process_color_seq (int report, int color, const char *str, string_term &st)
3433{
3434 if (str[0] == '?' && !str[1])
3435 {
3436 rgba c;
3437 pix_colors_focused[color].get (c);
3438 char rgba_str[32];
3439
3440#if XFT
3441 if (c.a != rgba::MAX_CC)
3442 snprintf (rgba_str, sizeof (rgba_str), "rgba:%04x/%04x/%04x/%04x", c.r, c.g, c.b, c.a);
2880 else 3443 else
2881 rxvt_xterm_seq(aR_ arg, (char *)s, eh); 3444#endif
2882 free(s); 3445 snprintf (rgba_str, sizeof (rgba_str), "rgb:%04x/%04x/%04x", c.r, c.g, c.b);
2883 } 3446
3447 if (IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
3448 tt_printf ("\033]%d;%d;%s%s", report, color - minCOLOR, rgba_str, st.v);
3449 else
3450 tt_printf ("\033]%d;%s%s", report, rgba_str, st.v);
2884 } 3451 }
3452 else
3453 set_window_color (color, str);
2885} 3454}
3455
2886/* 3456/*
2887 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL) 3457 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2888 * 0 = change iconName/title
2889 * 1 = change iconName
2890 * 2 = change title
2891 * 4 = change color
2892 * 12 = change text color
2893 * 13 = change mouse foreground color
2894 * 17 = change highlight character colour
2895 * 18 = change bold character color
2896 * 19 = change underlined character color
2897 * 46 = change logfile (not implemented)
2898 * 50 = change font
2899 *
2900 * rxvt extensions:
2901 * 10 = menu (may change in future)
2902 * 20 = bg pixmap
2903 * 39 = change default fg color
2904 * 49 = change default bg color
2905 * 55 = dump scrollback buffer and all of screen
2906 */ 3458 */
2907/* EXTPROTO */
2908void 3459void
2909rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused))) 3460rxvt_term::process_xterm_seq (int op, char *str, string_term &st)
2910{ 3461{
2911 int changed = 0; 3462 int color;
2912 int color;
2913 char *buf, *name; 3463 char *buf, *name;
3464 bool query = str[0] == '?' && !str[1];
3465 int saveop = op;
2914 3466
3467 dLocal (Display *, dpy);
3468
2915 assert(str != NULL); 3469 assert (str != NULL);
3470
3471 if (HOOK_INVOKE ((this, HOOK_OSC_SEQ, DT_INT, op, DT_STR, str, DT_END)))
3472 return;
3473
2916 switch (op) { 3474 switch (op)
3475 {
2917 case XTerm_name: 3476 case XTerm_name:
2918 rxvt_set_title(aR_ str); 3477 set_title (str);
2919 /* FALLTHROUGH */ 3478 /* FALLTHROUGH */
2920 case XTerm_iconName: 3479 case XTerm_iconName:
2921 rxvt_set_iconName(aR_ str); 3480 set_icon_name (str);
2922 break; 3481 break;
2923 case XTerm_title: 3482 case XTerm_title:
2924 rxvt_set_title(aR_ str); 3483 set_title (str);
2925 break; 3484 break;
3485 case XTerm_property:
3486 if (str[0] == '?')
3487 {
3488 Atom prop = display->atom (str + 1);
3489 Atom actual_type;
3490 int actual_format;
3491 unsigned long nitems;
3492 unsigned long bytes_after;
3493 unsigned char *value = 0;
3494 const char *str = "";
3495
3496 if (prop
3497 && XGetWindowProperty (dpy, parent,
3498 prop, 0, 1<<16, 0, AnyPropertyType,
3499 &actual_type, &actual_format,
3500 &nitems, &bytes_after, &value) == Success
3501 && actual_type != None
3502 && actual_format == 8)
3503 str = (const char *)(value);
3504
3505 tt_printf ("\033]%d;%s%s", op, option (Opt_insecure) ? str : "", st.v);
3506
3507 XFree (value);
3508 }
3509 else
3510 {
3511 char *eq = strchr (str, '=');
3512
3513 if (eq)
3514 {
3515 *eq = 0;
3516 set_utf8_property (display->atom (str), eq + 1);
3517 }
3518 else
3519 XDeleteProperty (dpy, parent,
3520 display->atom (str));
3521 }
3522 break;
3523
2926 case XTerm_Color: 3524 case XTerm_Color:
2927 for (buf = (char *)str; buf && *buf;) { 3525 for (buf = (char *)str; buf && *buf;)
3526 {
2928 if ((name = STRCHR(buf, ';')) == NULL) 3527 if ((name = strchr (buf, ';')) == NULL)
2929 break; 3528 break;
3529
2930 *name++ = '\0'; 3530 *name++ = '\0';
2931 color = atoi(buf); 3531 color = atoi (buf) + minCOLOR;
2932 if (color < 0 || color >= TOTAL_COLORS) 3532
2933 break; 3533 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
3534 break;
3535
2934 if ((buf = STRCHR(name, ';')) != NULL) 3536 if ((buf = strchr (name, ';')) != NULL)
2935 *buf++ = '\0'; 3537 *buf++ = '\0';
2936 rxvt_set_window_color(aR_ color + minCOLOR, name); 3538
2937 } 3539 process_color_seq (op, color, name, st);
2938 break; 3540 }
3541 break;
3542 case Rxvt_restoreFG:
3543 case XTerm_Color00:
3544 process_color_seq (op, Color_fg, str, st);
3545 break;
3546 case Rxvt_restoreBG:
3547 case XTerm_Color01:
3548 process_color_seq (op, Color_bg, str, st);
3549 break;
2939#ifndef NO_CURSORCOLOR 3550#ifndef NO_CURSORCOLOR
2940 case XTerm_Color_cursor: 3551 case XTerm_Color_cursor:
2941 rxvt_set_window_color(aR_ Color_cursor, str); 3552 process_color_seq (op, Color_cursor, str, st);
2942 break; 3553 break;
2943#endif 3554#endif
2944 case XTerm_Color_pointer: 3555 case XTerm_Color_pointer_fg:
2945 rxvt_set_window_color(aR_ Color_pointer, str); 3556 process_color_seq (op, Color_pointer_fg, str, st);
2946 break; 3557 break;
3558 case XTerm_Color_pointer_bg:
3559 process_color_seq (op, Color_pointer_bg, str, st);
3560 break;
3561#ifdef OPTION_HC
3562 case XTerm_Color_HC:
3563 process_color_seq (op, Color_HC, str, st);
3564 break;
3565 case XTerm_Color_HTC:
3566 process_color_seq (op, Color_HTC, str, st);
3567 break;
3568#endif
2947#ifndef NO_BOLD_UNDERLINE_REVERSE 3569#ifndef NO_BOLD_UNDERLINE_REVERSE
2948 case XTerm_Color_BD: 3570 case URxvt_Color_BD:
2949 rxvt_set_window_color(aR_ Color_BD, str); 3571 process_color_seq (op, Color_BD, str, st);
2950 break; 3572 break;
2951 case XTerm_Color_UL: 3573 case URxvt_Color_UL:
2952 rxvt_set_window_color(aR_ Color_UL, str); 3574 process_color_seq (op, Color_UL, str, st);
2953 break; 3575 break;
2954 case XTerm_Color_RV: 3576 case URxvt_Color_IT:
2955 rxvt_set_window_color(aR_ Color_RV, str); 3577 process_color_seq (op, Color_IT, str, st);
2956 break; 3578 break;
2957#endif 3579#endif
3580 case URxvt_Color_border:
3581 process_color_seq (op, Color_border, str, st);
3582 break;
2958 3583
2959 case XTerm_Menu:
2960 /*
2961 * rxvt_menubar_dispatch() violates the constness of the string,
2962 * so DON'T do it here
2963 */
2964 break;
2965 case XTerm_Pixmap:
2966 if (*str != ';') {
2967#if XPM_BACKGROUND
2968 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2969 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2970#endif
2971 rxvt_scr_touch(aR_ True);
2972 }
2973 while ((str = STRCHR(str, ';')) != NULL) {
2974 str++;
2975#if XPM_BACKGROUND
2976 changed += rxvt_scale_pixmap(aR_ str);
2977#endif
2978 }
2979 if (changed) {
2980#ifdef XPM_BACKGROUND
2981 rxvt_resize_pixmap(aR);
2982#endif
2983 rxvt_scr_touch(aR_ True);
2984 }
2985 break;
2986
2987 case XTerm_restoreFG:
2988 rxvt_set_window_color(aR_ Color_fg, str);
2989 break;
2990 case XTerm_restoreBG:
2991 rxvt_set_window_color(aR_ Color_bg, str);
2992 break;
2993 case XTerm_logfile: 3584 case XTerm_logfile:
2994 break; 3585 // TODO, when secure mode?
2995 case XTerm_font: 3586 break;
2996 rxvt_change_font(aR_ 0, str); 3587
2997 break;
2998#if 0 3588#if 0
2999 case XTerm_dumpscreen: /* no error notices */ 3589 case Rxvt_dumpscreen: /* no error notices */
3000 { 3590 {
3001 int fd; 3591 int fd;
3002 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) { 3592 if ((fd = open (str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0)
3003 rxvt_scr_dump(aR_ fd); 3593 {
3004 close(fd); 3594 scr_dump (fd);
3005 } 3595 close (fd);
3006 } 3596 }
3007 break; 3597 }
3598 break;
3599#endif
3600 case XTerm_font:
3601 op = URxvt_font;
3602 case URxvt_font:
3603#if ENABLE_STYLES
3604 case URxvt_boldFont:
3605 case URxvt_italicFont:
3606 case URxvt_boldItalicFont:
3607#endif
3608 if (query)
3609 tt_printf ("\33]%d;%-.250s%s", saveop,
3610 option (Opt_insecure) && fontset[op - URxvt_font]->fontdesc
3611 ? fontset[op - URxvt_font]->fontdesc : "",
3612 st.v);
3613 else
3614 {
3615 const char *&res = rs[Rs_font + (op - URxvt_font)];
3616
3617 res = strdup (str);
3618 allocated.push_back ((void *)res);
3619 set_fonts ();
3620 }
3621 break;
3622
3623 case URxvt_version:
3624 if (query)
3625 tt_printf ("\33]%d;rxvt-unicode;%-.20s;%c;%c%s",
3626 op,
3627 rs[Rs_name], VERSION[0], VERSION[2],
3628 st.v);
3629 break;
3630
3631#if !ENABLE_MINIMAL
3632 case URxvt_cellinfo:
3633 if (query)
3634 tt_printf ("\33]%d;%d;%d;%d%s", saveop,
3635 fwidth, fheight, fbase,
3636 st.v);
3637 break;
3638
3639 case URxvt_locale:
3640 if (query)
3641 tt_printf ("\33]%d;%-.250s%s", op, option (Opt_insecure) ? locale : "", st.v);
3642 else
3643 {
3644 set_locale (str);
3645 pty->set_utf8_mode (enc_utf8);
3646 init_xlocale ();
3647 }
3648 break;
3649
3650 case URxvt_view_up:
3651 case URxvt_view_down:
3652 {
3653 int lines = atoi (str);
3654
3655 if (lines)
3656 scr_page (op == URxvt_view_up ? UP : DN, lines);
3657 else
3658 scr_erase_savelines ();
3659 }
3660
3661 break;
3662#endif
3663
3664#if ENABLE_PERL
3665 case URxvt_perl:
3666 HOOK_INVOKE ((this, HOOK_OSC_SEQ_PERL, DT_STR, str, DT_STR, st.v, DT_END));
3667 break;
3008#endif 3668#endif
3009 } 3669 }
3010} 3670}
3011/*----------------------------------------------------------------------*/ 3671/*----------------------------------------------------------------------*/
3012 3672
… …
3018 * 's' = save 3678 * 's' = save
3019 * 'r' = restore 3679 * 'r' = restore
3020 * 't' = toggle 3680 * 't' = toggle
3021 * so no need for fancy checking 3681 * so no need for fancy checking
3022 */ 3682 */
3023/* INTPROTO */ 3683int ecb_cold
3024int
3025rxvt_privcases(pR_ int mode, unsigned long bit) 3684rxvt_term::privcases (int mode, unsigned long bit)
3026{ 3685{
3027 int state; 3686 int state;
3028 3687
3029 if (mode == 's') { 3688 if (mode == 's')
3030 R->SavedModes |= (R->PrivateModes & bit); 3689 {
3031 return -1; 3690 if (priv_modes & bit)
3691 SavedModes |= bit;
3032 } else { 3692 else
3693 SavedModes &= ~bit;
3694 return -1;
3695 }
3696 else
3697 {
3033 if (mode == 'r') 3698 if (mode == 'r')
3034 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */ 3699 state = (SavedModes & bit) ? 1 : 0; /* no overlapping */
3035 else 3700 else
3036 state = (mode == 't') ? !(R->PrivateModes & bit) : mode; 3701 state = (mode == 't') ? ! (priv_modes & bit) : mode;
3037 PrivMode(state, bit); 3702
3703 if (state)
3704 priv_modes |= bit;
3705 else
3706 priv_modes &= ~bit;
3038 } 3707 }
3708
3039 return state; 3709 return state;
3040} 3710}
3041 3711
3042/* we're not using priv _yet_ */ 3712/* we're not using priv _yet_ */
3043/* INTPROTO */
3044void 3713void
3045rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg) 3714rxvt_term::process_terminal_mode (int mode, int priv ecb_unused, unsigned int nargs, const int *arg)
3046{ 3715{
3047 unsigned int i, j; 3716 unsigned int i, j;
3048 int state; 3717 int state;
3718
3049 static const struct { 3719 static const struct
3720 {
3050 const int argval; 3721 const int argval;
3051 const unsigned long bit; 3722 const unsigned long bit;
3052 } argtopriv[] = { 3723 } argtopriv[] = {
3053 { 1, PrivMode_aplCUR }, 3724 { 1, PrivMode_aplCUR }, // DECCKM
3054 { 2, PrivMode_vt52 }, 3725 { 2, PrivMode_vt52 }, // DECANM
3055 { 3, PrivMode_132 }, 3726 { 3, PrivMode_132 }, // DECCOLM
3056 { 4, PrivMode_smoothScroll }, 3727 { 4, PrivMode_smoothScroll }, // DECSCLM
3057 { 5, PrivMode_rVideo }, 3728 { 5, PrivMode_rVideo }, // DECSCNM
3058 { 6, PrivMode_relOrigin }, 3729 { 6, PrivMode_relOrigin }, // DECOM
3059 { 7, PrivMode_Autowrap }, 3730 { 7, PrivMode_Autowrap }, // DECAWM
3060 { 9, PrivMode_MouseX10 }, 3731 // 8, auto-repeat keys // DECARM
3061#ifdef menuBar_esc 3732 { 9, PrivMode_MouseX10 },
3062 { menuBar_esc, PrivMode_menuBar }, 3733 { 12, PrivMode_BlinkingCursor },
3063#endif 3734 // 18 end FF to printer after print screen
3735 // 19 Print screen prints full screen/scroll region
3736 { 25, PrivMode_VisibleCursor }, // DECTCEM cnorm/cvvis/civis
3064#ifdef scrollBar_esc 3737#ifdef scrollBar_esc
3065 { scrollBar_esc, PrivMode_scrollBar }, 3738 { scrollBar_esc, PrivMode_scrollBar },
3066#endif 3739#endif
3067 { 25, PrivMode_VisibleCursor }, 3740 { 35, PrivMode_ShiftKeys }, // rxvt extension
3068 { 35, PrivMode_ShiftKeys }, 3741 // 38, tektronix mode // DECTEK
3069 { 40, PrivMode_132OK }, 3742 { 40, PrivMode_132OK },
3070 { 47, PrivMode_Screen }, 3743 // 41 xterm more fixes NYI
3071 { 66, PrivMode_aplKP }, 3744 // 45 margin bell NYI
3745 // 46 start logging
3746 { 47, PrivMode_Screen },
3747 { 66, PrivMode_aplKP }, // DECNKM
3072#ifndef NO_BACKSPACE_KEY 3748#ifndef NO_BACKSPACE_KEY
3073 { 67, PrivMode_BackSpace }, 3749 { 67, PrivMode_BackSpace }, // DECBKM
3074#endif 3750#endif
3075 { 1000, PrivMode_MouseX11 }, 3751 { 1000, PrivMode_MouseX11 },
3076 { 1010, PrivMode_TtyOutputInh }, 3752 { 1002, PrivMode_MouseBtnEvent },
3077 { 1011, PrivMode_Keypress }, 3753 { 1003, PrivMode_MouseAnyEvent },
3078 { 1047, PrivMode_Screen }, 3754#if ENABLE_FRILLS
3079 }; 3755 { 1004, PrivMode_FocusEvent },
3756 { 1005, PrivMode_ExtMouseUTF8 },
3757 { 1006, PrivMode_ExtMouseSGR },
3758#endif
3759 { 1010, PrivMode_TtyOutputInh }, // rxvt extension
3760 { 1011, PrivMode_Keypress }, // rxvt extension
3761#if ENABLE_FRILLS
3762 { 1015, PrivMode_ExtMouseUrxvt }, // urxvt extension of 1005
3763#endif
3764 // 1035 enable modifiers for alt, numlock NYI
3765 // 1036 send ESC for meta keys NYI
3766 // 1037 send DEL for keypad delete NYI
3767 { 1047, PrivMode_Screen },
3768 // 1048 save and restore cursor, implemented in code
3769 { 1049, PrivMode_Screen }, /* xterm extension, clear screen on ti rather than te */
3770 // 1051, 1052, 1060, 1061 keyboard emulation NYI
3771#if ENABLE_FRILLS
3772 { 2004, PrivMode_BracketPaste },
3773#endif
3774 };
3080 3775
3081 if (nargs == 0) 3776 if (nargs == 0)
3082 return; 3777 return;
3083 3778
3779 // DECRQM
3780 if (mode == 'p')
3781 {
3782 int status = 0;
3783 if (nargs != 1)
3784 return;
3785
3786 for (j = 0; j < ecb_array_length (argtopriv); j++)
3787 if (argtopriv[j].argval == arg[0])
3788 {
3789 status = (priv_modes & argtopriv[j].bit) ? 1 : 2;
3790 break;
3791 }
3792
3793 tt_printf ("\33[?%d;%d$y", arg[0], status);
3794 return;
3795 }
3796
3084/* make lo/hi boolean */ 3797 /* make lo/hi boolean */
3085 if (mode == 'l') 3798 if (mode == 'l')
3086 mode = 0; /* reset */ 3799 mode = 0; /* reset */
3087 else if (mode == 'h') 3800 else if (mode == 'h')
3088 mode = 1; /* set */ 3801 mode = 1; /* set */
3089 3802
3090 for (i = 0; i < nargs; i++) { 3803 for (i = 0; i < nargs; i++)
3804 {
3091 state = -1; 3805 state = -1;
3092 3806
3093 /* basic handling */ 3807 /* basic handling */
3094 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++) 3808 for (j = 0; j < ecb_array_length (argtopriv); j++)
3095 if (argtopriv[j].argval == arg[i]) { 3809 if (argtopriv[j].argval == arg[i])
3810 {
3096 state = rxvt_privcases(aR_ mode, argtopriv[j].bit); 3811 state = privcases (mode, argtopriv[j].bit);
3097 break; 3812 break;
3098 } 3813 }
3099 3814
3100 /* extra handling for values with state unkept */ 3815 /* extra handling for values with state unkept */
3101 if (state == -1)
3102 switch (arg[i]) { 3816 switch (arg[i])
3817 {
3818#if ENABLE_STYLES
3819 case 1021:
3820 set_option (Opt_intensityStyles, mode);
3821
3822 scr_touch (true);
3823 break;
3824#endif
3103 case 1048: /* alternative cursor save */ 3825 case 1048: /* alternative cursor save */
3104 if (mode == 0) 3826 if (option (Opt_secondaryScreen))
3105 rxvt_scr_cursor(aR_ RESTORE); 3827 if (mode == 0)
3106 else if (mode == 1) 3828 scr_cursor (RESTORE);
3107 rxvt_scr_cursor(aR_ SAVE); 3829 else if (mode == 1)
3108 /* FALLTHROUGH */ 3830 scr_cursor (SAVE);
3109 default: 3831 break;
3110 continue; /* for(;i;) */ 3832 }
3111 }
3112 3833
3834 if (state >= 0)
3113 /* extra handling for values with valid 0 or 1 state */ 3835 /* extra handling for values with valid 0 or 1 state */
3114 switch (arg[i]) { 3836 switch (arg[i])
3837 {
3115 /* case 1: - application cursor keys */ 3838 /* case 1: - application cursor keys */
3116 case 2: /* VT52 mode */ 3839 case 2: /* VT52 mode */
3117 /* oddball mode. should be set regardless of set/reset 3840 /* oddball mode. should be set regardless of set/reset
3118 * parameter. Return from VT52 mode with an ESC < from 3841 * parameter. Return from VT52 mode with an ESC < from
3119 * within VT52 mode 3842 * within VT52 mode
3120 */ 3843 */
3121 PrivMode(1, PrivMode_vt52); 3844 priv_modes |= PrivMode_vt52;
3122 break; 3845 break;
3123 case 3: /* 80/132 */ 3846 case 3: /* 80/132 */
3124 if (R->PrivateModes & PrivMode_132OK) 3847 if (priv_modes & PrivMode_132OK)
3125 rxvt_set_widthheight(aR_ 3848 set_widthheight ((state ? 132 : 80) * fwidth, 24 * fheight);
3126 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth), 3849 break;
3127 (unsigned int)R->TermWin.height);
3128 break;
3129 case 4: /* smooth scrolling */ 3850 case 4: /* smooth scrolling */
3130 if (state) 3851 set_option (Opt_jumpScroll, !state);
3131 R->Options &= ~Opt_jumpScroll; 3852 break;
3132 else
3133 R->Options |= Opt_jumpScroll;
3134 break;
3135 case 5: /* reverse video */ 3853 case 5: /* reverse video */
3136 rxvt_scr_rvideo_mode(aR_ state); 3854 scr_rvideo_mode (state);
3137 break; 3855 break;
3138 case 6: /* relative/absolute origins */ 3856 case 6: /* relative/absolute origins */
3139 rxvt_scr_relative_origin(aR_ state); 3857 scr_relative_origin (state);
3140 break; 3858 break;
3141 case 7: /* autowrap */ 3859 case 7: /* autowrap */
3142 rxvt_scr_autowrap(aR_ state); 3860 scr_autowrap (state);
3143 break; 3861 break;
3144 /* case 8: - auto repeat, can't do on a per window basis */ 3862 /* case 8: - auto repeat, can't do on a per window basis */
3145 case 9: /* X10 mouse reporting */ 3863 case 9: /* X10 mouse reporting */
3146 if (state) /* orthogonal */ 3864 if (state) /* orthogonal */
3147 R->PrivateModes &= ~(PrivMode_MouseX11); 3865 priv_modes &= ~(PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3148 break; 3866 break;
3149#ifdef menuBar_esc
3150 case menuBar_esc:
3151#ifdef MENUBAR
3152 rxvt_map_menuBar(aR_ state);
3153#endif
3154 break;
3155#endif
3156#ifdef scrollBar_esc 3867#ifdef scrollBar_esc
3157 case scrollBar_esc: 3868 case scrollBar_esc:
3158 if (rxvt_scrollbar_mapping(aR_ state)) { 3869 scrollBar.map (state);
3159 rxvt_resize_all_windows(aR_ 0, 0, 0); 3870 resize_all_windows (0, 0, 0);
3160 rxvt_scr_touch(aR_ True); 3871 scr_touch (true);
3161 } 3872 break;
3162 break;
3163#endif 3873#endif
3874#ifdef CURSOR_BLINK
3875 case 12:
3876 cursor_blink_reset ();
3877 break;
3878#endif
3164 case 25: /* visible/invisible cursor */ 3879 case 25: /* visible/invisible cursor */
3165 rxvt_scr_cursor_visible(aR_ state); 3880 scr_cursor_visible (state);
3166 break; 3881 break;
3167 /* case 35: - shift keys */ 3882 /* case 35: - shift keys */
3168 /* case 40: - 80 <--> 132 mode */ 3883 /* case 40: - 80 <--> 132 mode */
3169 case 47: /* secondary screen */ 3884 case 47: /* secondary screen */
3170 rxvt_scr_change_screen(aR_ state); 3885 scr_change_screen (state);
3171 break; 3886 break;
3172 /* case 66: - application key pad */ 3887 /* case 66: - application key pad */
3173 /* case 67: - backspace key */ 3888 /* case 67: - backspace key */
3174 case 1000: /* X11 mouse reporting */ 3889 case 1000: /* X11 mouse reporting */
3175 if (state) /* orthogonal */ 3890 if (state) /* orthogonal */
3176 R->PrivateModes &= ~(PrivMode_MouseX10); 3891 priv_modes &= ~(PrivMode_MouseX10|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3177 break; 3892 break;
3178#if 0 3893 case 1002:
3179 case 1001: 3894 case 1003:
3180 break; /* X11 mouse highlighting */ 3895 if (state)
3181#endif 3896 {
3897 priv_modes &= ~(PrivMode_MouseX10|PrivMode_MouseX11);
3898 priv_modes &= arg[i] == 1003 ? ~PrivMode_MouseBtnEvent : ~PrivMode_MouseAnyEvent;
3899 mouse_row = mouse_col = 0;
3900 vt_emask_mouse = PointerMotionMask;
3901 }
3902 else
3903 vt_emask_mouse = NoEventMask;
3904
3905 vt_select_input ();
3906 break;
3182 case 1010: /* scroll to bottom on TTY output inhibit */ 3907 case 1010: /* scroll to bottom on TTY output inhibit */
3183 if (state) 3908 set_option (Opt_scrollTtyOutput, !state);
3184 R->Options &= ~Opt_scrollTtyOutput; 3909 break;
3185 else
3186 R->Options |= Opt_scrollTtyOutput;
3187 break;
3188 case 1011: /* scroll to bottom on key press */ 3910 case 1011: /* scroll to bottom on key press */
3189 if (state) 3911 set_option (Opt_scrollTtyKeypress, state);
3190 R->Options |= Opt_scrollTtyKeypress; 3912 break;
3191 else
3192 R->Options &= ~Opt_scrollTtyKeypress;
3193 break;
3194 case 1047: /* secondary screen w/ clearing */ 3913 case 1047: /* secondary screen w/ clearing last */
3195 if (R->current_screen != PRIMARY) 3914 if (option (Opt_secondaryScreen))
3196 rxvt_scr_erase_screen(aR_ 2); 3915 if (!state)
3197 rxvt_scr_change_screen(aR_ state); 3916 scr_erase_screen (2);
3198 /* FALLTHROUGH */ 3917
3199 default: 3918 scr_change_screen (state);
3200 break; 3919 break;
3201 } 3920 case 1049: /* secondary screen w/ clearing first */
3921 if (option (Opt_secondaryScreen))
3922 if (state)
3923 scr_cursor (SAVE);
3924
3925 scr_change_screen (state);
3926
3927 if (option (Opt_secondaryScreen))
3928 if (state)
3929 scr_erase_screen (2);
3930 else
3931 scr_cursor (RESTORE);
3932 break;
3933 default:
3934 break;
3935 }
3202 } 3936 }
3203} 3937}
3204/*}}} */ 3938/*}}} */
3205 3939
3206/*{{{ process sgr sequences */ 3940/*{{{ process sgr sequences */
3207/* INTPROTO */ 3941void ecb_hot
3942rxvt_term::process_sgr_mode (unsigned int nargs, const int *arg)
3943{
3944 unsigned int i;
3945 short rendset;
3946 int rendstyle;
3947
3948 if (nargs == 0)
3949 {
3950 scr_rendition (0, ~RS_None);
3951 return;
3952 }
3953
3954 for (i = 0; i < nargs; i++)
3955 {
3956 rendset = -1;
3957 switch (arg[i])
3958 {
3959 case 0:
3960 rendset = 0, rendstyle = ~RS_None;
3961 break;
3962 case 1:
3963 rendset = 1, rendstyle = RS_Bold;
3964 break;
3965 //case 2: // low intensity
3966 case 3:
3967 rendset = 1, rendstyle = RS_Italic;
3968 break;
3969 case 4:
3970 rendset = 1, rendstyle = RS_Uline;
3971 break;
3972 case 5: // slowly blinking
3973 case 6: // rapidly blinking
3974 rendset = 1, rendstyle = RS_Blink;
3975 break;
3976 //case 6: // scoansi light background
3977 case 7:
3978 rendset = 1, rendstyle = RS_RVid;
3979 break;
3980 case 8:
3981 // invisible. NYI
3982 break;
3983 //case 9: // crossed out
3984 //case 10: // scoansi acs off, primary font
3985 //case 11: // scoansi acs on, first alt font
3986 //case 12: // scoansi acs on, |0x80, second alt font
3987 //...
3988 //case 19: // ninth alt font
3989 //case 20: // gothic
3990 case 21: // disable bold, faint, sometimes doubly underlined (iso 8613)
3991 rendset = 0, rendstyle = RS_Bold;
3992 break;
3993 case 22: // bold off (vt220)
3994 rendset = 0, rendstyle = RS_Bold;
3995 break;
3996 case 23: // disable italic
3997 rendset = 0, rendstyle = RS_Italic;
3998 break;
3999 case 24: // underline off (vt220)
4000 rendset = 0, rendstyle = RS_Uline;
4001 break;
4002 case 25: // blink off (vt220)
4003 rendset = 0, rendstyle = RS_Blink;
4004 break;
4005 case 26: // variable spacing (iso 8613)
4006 rendset = 0, rendstyle = RS_Blink;
4007 break;
4008 case 27: // reverse off (vt220)
4009 rendset = 0, rendstyle = RS_RVid;
4010 break;
4011 //case 28: // visible. NYI
4012 //case 29: // not crossed-out
4013 }
4014
4015 if (rendset != -1)
4016 {
4017 scr_rendition (rendset, rendstyle);
4018 continue; /* for (;i;) */
4019 }
4020
4021 switch (arg[i])
4022 {
4023 case 30:
4024 case 31: /* set fg color */
4025 case 32:
4026 case 33:
4027 case 34:
4028 case 35:
4029 case 36:
4030 case 37:
4031 scr_color ((unsigned int) (minCOLOR + (arg[i] - 30)), Color_fg);
4032 break;
4033 case 39: /* default fg */
4034 scr_color (Color_fg, Color_fg);
4035 break;
4036
4037 case 40:
4038 case 41: /* set bg color */
4039 case 42:
4040 case 43:
4041 case 44:
4042 case 45:
4043 case 46:
4044 case 47:
4045 scr_color ((unsigned int) (minCOLOR + (arg[i] - 40)), Color_bg);
4046 break;
4047 case 49: /* default bg */
4048 scr_color (Color_bg, Color_bg);
4049 break;
4050
4051 case 38: // set fg color, ISO 8613-6
4052 case 48: // set bg color, ISO 8613-6
4053 {
4054 unsigned int fgbg = arg[i] == 38 ? Color_fg : Color_bg;
4055 unsigned int idx;
4056
4057 if (nargs > i + 2 && arg[i + 1] == 5)
4058 {
4059 idx = minCOLOR + arg[i + 2];
4060 i += 2;
4061
4062 scr_color (idx, fgbg);
4063 }
4064 else if (nargs > i + 4 && arg[i + 1] == 2)
4065 {
4066 unsigned int r = arg[i + 2];
4067 unsigned int g = arg[i + 3];
4068 unsigned int b = arg[i + 4];
4069 unsigned int a = 0xff;
4070
4071 idx = map_rgb24_color (r, g, b, a);
4072
4073 i += 4;
4074
4075 scr_color (idx, fgbg);
4076 }
4077 }
4078 break;
4079
4080 //case 50: // not variable spacing
4081
4082#if !ENABLE_MINIMAL
4083 case 90:
4084 case 91: /* set bright fg color */
4085 case 92:
4086 case 93:
4087 case 94:
4088 case 95:
4089 case 96:
4090 case 97:
4091 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 90)), Color_fg);
4092 break;
4093 case 100:
4094 case 101: /* set bright bg color */
4095 case 102:
4096 case 103:
4097 case 104:
4098 case 105:
4099 case 106:
4100 case 107:
4101 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 100)), Color_bg);
4102 break;
4103#endif
4104 }
4105 }
4106}
4107
3208void 4108void
3209rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg) 4109rxvt_term::set_cursor_style (int style)
3210{ 4110{
3211 unsigned int i; 4111 if (!IN_RANGE_INC (style, 0, 6))
3212 short rendset; 4112 return;
3213 int rendstyle;
3214 4113
3215 if (nargs == 0) { 4114 if (style == 0)
3216 rxvt_scr_rendition(aR_ 0, ~RS_None); 4115 style = 1;
3217 return;
3218 }
3219 for (i = 0; i < nargs; i++) {
3220 rendset = -1;
3221 switch (arg[i]) {
3222 case 0:
3223 rendset = 0, rendstyle = ~RS_None;
3224 break;
3225 case 1:
3226 rendset = 1, rendstyle = RS_Bold;
3227 break;
3228 case 4:
3229 rendset = 1, rendstyle = RS_Uline;
3230 break;
3231 case 5:
3232 rendset = 1, rendstyle = RS_Blink;
3233 break;
3234 case 7:
3235 rendset = 1, rendstyle = RS_RVid;
3236 break;
3237 case 22:
3238 rendset = 0, rendstyle = RS_Bold;
3239 break;
3240 case 24:
3241 rendset = 0, rendstyle = RS_Uline;
3242 break;
3243 case 25:
3244 rendset = 0, rendstyle = RS_Blink;
3245 break;
3246 case 27:
3247 rendset = 0, rendstyle = RS_RVid;
3248 break;
3249 }
3250 if (rendset != -1) {
3251 rxvt_scr_rendition(aR_ rendset, rendstyle);
3252 continue; /* for(;i;) */
3253 }
3254 4116
3255 switch (arg[i]) { 4117 cursor_type = (style - 1) / 2;
3256 case 30: 4118 set_option (Opt_cursorUnderline, cursor_type == 1);
3257 case 31: /* set fg color */
3258 case 32:
3259 case 33:
3260 case 34:
3261 case 35:
3262 case 36:
3263 case 37:
3264 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3265 Color_fg);
3266 break;
3267#ifdef TTY_256COLOR
3268 case 38:
3269 if (nargs > i + 2 && arg[i + 1] == 5) {
3270 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3271 Color_fg);
3272 i += 2;
3273 }
3274 break;
3275#endif
3276 case 39: /* default fg */
3277 rxvt_scr_color(aR_ Color_fg, Color_fg);
3278 break;
3279 4119
3280 case 40: 4120#ifdef CURSOR_BLINK
3281 case 41: /* set bg color */ 4121 set_option (Opt_cursorBlink, style & 1);
3282 case 42: 4122 cursor_blink_reset ();
3283 case 43:
3284 case 44:
3285 case 45:
3286 case 46:
3287 case 47:
3288 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3289 Color_bg);
3290 break;
3291#ifdef TTY_256COLOR
3292 case 48:
3293 if (nargs > i + 2 && arg[i + 1] == 5) {
3294 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3295 Color_bg);
3296 i += 2;
3297 }
3298 break;
3299#endif 4123#endif
3300 case 49: /* default bg */
3301 rxvt_scr_color(aR_ Color_bg, Color_bg);
3302 break;
3303 4124
3304#ifndef NO_BRIGHTCOLOR 4125 want_refresh = 1;
3305 case 90:
3306 case 91: /* set bright fg color */
3307 case 92:
3308 case 93:
3309 case 94:
3310 case 95:
3311 case 96:
3312 case 97:
3313 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3314 Color_fg);
3315 break;
3316 case 100:
3317 case 101: /* set bright bg color */
3318 case 102:
3319 case 103:
3320 case 104:
3321 case 105:
3322 case 106:
3323 case 107:
3324 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3325 Color_bg);
3326 break;
3327#endif
3328 }
3329 }
3330} 4126}
3331/*}}} */ 4127/*}}} */
3332 4128
3333/*{{{ process Rob Nation's own graphics mode sequences */
3334/* INTPROTO */
3335void
3336rxvt_process_graphics(pR)
3337{
3338 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3339
3340#ifndef RXVT_GRAPHICS
3341 if (cmd == 'Q') { /* query graphics */
3342 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3343 return;
3344 }
3345/* swallow other graphics sequences until terminating ':' */
3346 do
3347 ch = rxvt_cmd_getc(aR);
3348 while (ch != ':');
3349#else
3350 unsigned int nargs;
3351 int args[NGRX_PTS];
3352 unsigned char *text = NULL;
3353
3354 if (cmd == 'Q') { /* query graphics */
3355 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3356 return;
3357 }
3358 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3359 int neg;
3360
3361 ch = rxvt_cmd_getc(aR);
3362 neg = (ch == '-');
3363 if (neg || ch == '+')
3364 ch = rxvt_cmd_getc(aR);
3365
3366 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3367 args[nargs] = args[nargs] * 10 + (ch - '0');
3368 if (neg)
3369 args[nargs] = -args[nargs];
3370
3371 nargs++;
3372 args[nargs] = 0;
3373 if (ch != ';')
3374 break;
3375 }
3376
3377 if ((cmd == 'T') && (nargs >= 5)) {
3378 int i, len = args[4];
3379
3380 text = rxvt_malloc((len + 1) * sizeof(char));
3381
3382 if (text != NULL) {
3383 for (i = 0; i < len; i++)
3384 text[i] = rxvt_cmd_getc(aR);
3385 text[len] = '\0';
3386 }
3387 }
3388 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3389#endif
3390}
3391/*}}} */
3392
3393/* ------------------------------------------------------------------------- */ 4129/* ---------------------------------------------------------------------- */
4130/* Write data to the pty as typed by the user, pasted with the mouse,
4131 * or generated by us in response to a query ESC sequence.
4132 */
3394 4133
3395/* 4134/*
3396 * Send printf() formatted output to the command. 4135 * Send printf () formatted output to the command.
3397 * Only use for small amounts of data. 4136 * Only use for small amounts of data.
3398 */ 4137 */
3399/* EXTPROTO */
3400void 4138void
3401rxvt_tt_printf(pR_ const char *fmt,...) 4139rxvt_term::tt_printf (const char *fmt,...)
3402{ 4140{
3403 va_list arg_ptr; 4141 va_list arg_ptr;
3404 unsigned char buf[256]; 4142 char buf[256];
3405 4143
3406 va_start(arg_ptr, fmt); 4144 va_start (arg_ptr, fmt);
3407 vsprintf((char *)buf, fmt, arg_ptr); 4145 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3408 va_end(arg_ptr); 4146 va_end (arg_ptr);
3409 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf)); 4147 tt_write (buf, strlen (buf));
3410} 4148}
3411 4149
3412/* ---------------------------------------------------------------------- */ 4150/* Write data to the pty as typed by the user. */
3413/* Addresses pasting large amounts of data and rxvt hang
3414 * code pinched from xterm (v_write()) and applied originally to
3415 * rxvt-2.18 - Hops
3416 * Write data to the pty as typed by the user, pasted with the mouse,
3417 * or generated by us in response to a query ESC sequence.
3418 */
3419/* EXTPROTO */
3420void 4151void
3421rxvt_tt_write(pR_ const unsigned char *d, unsigned int len) 4152rxvt_term::tt_write_user_input (const char *data, unsigned int len)
3422{ 4153{
3423#define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */ 4154 if (HOOK_INVOKE ((this, HOOK_TT_WRITE, DT_STR_LEN, data, len, DT_END)))
3424 int riten; 4155 return;
3425 unsigned int p;
3426 unsigned char *v_buffer, /* start of physical buffer */
3427 *v_bufstr, /* start of current buffer pending */
3428 *v_bufptr, /* end of current buffer pending */
3429 *v_bufend; /* end of physical buffer */
3430 4156
3431 if (R->v_bufstr == NULL && len > 0) { 4157 if (option (Opt_scrollTtyKeypress))
3432 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4158 if (view_start)
3433 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p); 4159 {
3434 v_bufend = v_buffer + p; 4160 view_start = 0;
3435 } else { 4161 want_refresh = 1;
3436 v_buffer = R->v_buffer;
3437 v_bufstr = R->v_bufstr;
3438 v_bufptr = R->v_bufptr;
3439 v_bufend = R->v_bufend;
3440 } 4162 }
3441 4163
3442 /* 4164 tt_write_ (data, len);
3443 * Append to the block we already have. Always doing this simplifies the 4165}
3444 * code, and isn't too bad, either. If this is a short block, it isn't 4166
3445 * too expensive, and if this is a long block, we won't be able to write 4167void
3446 * it all anyway. 4168rxvt_term::tt_write (const char *data, unsigned int len)
3447 */ 4169{
3448 if (len > 0) { 4170 if (HOOK_INVOKE ((this, HOOK_TT_WRITE, DT_STR_LEN, data, len, DT_END)))
3449 if (v_bufend < v_bufptr + len) { /* run out of room */ 4171 return;
3450 if (v_bufstr != v_buffer) { 4172
3451 /* there is unused space, move everything down */ 4173 tt_write_ (data, len);
3452 MEMMOVE(v_buffer, v_bufstr, 4174}
3453 (unsigned int)(v_bufptr - v_bufstr)); 4175
3454 v_bufptr -= v_bufstr - v_buffer; 4176static const unsigned int MAX_PTY_WRITE = 255; // minimum MAX_INPUT
3455 v_bufstr = v_buffer; 4177
4178void
4179rxvt_term::tt_write_ (const char *data, unsigned int len)
4180{
4181 if (pty->pty < 0)
4182 return;
4183
4184 if (v_buflen == 0)
4185 {
4186 ssize_t written = write (pty->pty, data, min (len, MAX_PTY_WRITE));
4187
4188 max_it (written, 0);
4189
4190 if (written == len)
4191 return;
4192
4193 data += written;
4194 len -= written;
3456 } 4195 }
3457 if (v_bufend < v_bufptr + len) {
3458 /* still won't fit: get more space */
3459 /* use most basic realloc because an error is not fatal. */
3460 unsigned int size = v_bufptr - v_buffer;
3461 unsigned int reallocto;
3462 4196
3463 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4197 v_buffer = (char *)rxvt_realloc (v_buffer, v_buflen + len);
3464 v_buffer = (unsigned char *)realloc(v_buffer, reallocto); 4198
3465 /* save across realloc */ 4199 memcpy (v_buffer + v_buflen, data, len);
3466 if (v_buffer) { 4200 v_buflen += len;
3467 v_bufstr = v_buffer; 4201
3468 v_bufptr = v_buffer + size; 4202 pty_ev.set (ev::READ | ev::WRITE);
3469 v_bufend = v_buffer + reallocto; 4203}
3470 } else { /* no memory: ignore entire write request */ 4204
3471 rxvt_print_error("data loss: cannot allocate buffer space"); 4205void rxvt_term::pty_write ()
3472 v_buffer = v_bufstr; /* restore clobbered pointer */ 4206{
3473 } 4207 int written = write (pty->pty, v_buffer, min (v_buflen, MAX_PTY_WRITE));
4208
4209 if (written > 0)
4210 {
4211 v_buflen -= written;
4212
4213 if (v_buflen == 0)
4214 {
4215 free (v_buffer);
4216 v_buffer = 0;
4217
4218 pty_ev.set (ev::READ);
4219 return;
4220 }
4221
4222 memmove (v_buffer, v_buffer + written, v_buflen);
3474 } 4223 }
3475 } 4224 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3476 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */ 4225 pty_ev.set (ev::READ);
3477 MEMCPY(v_bufptr, d, len);
3478 v_bufptr += len;
3479 }
3480 }
3481
3482 /*
3483 * Write out as much of the buffer as we can.
3484 * Be careful not to overflow the pty's input silo.
3485 * We are conservative here and only write a small amount at a time.
3486 *
3487 * If we can't push all the data into the pty yet, we expect write
3488 * to return a non-negative number less than the length requested
3489 * (if some data written) or -1 and set errno to EAGAIN,
3490 * EWOULDBLOCK, or EINTR (if no data written).
3491 *
3492 * (Not all systems do this, sigh, so the code is actually
3493 * a little more forgiving.)
3494 */
3495 if ((p = v_bufptr - v_bufstr) > 0) {
3496 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3497 if (riten < 0)
3498 riten = 0;
3499 v_bufstr += riten;
3500 if (v_bufstr >= v_bufptr) /* we wrote it all */
3501 v_bufstr = v_bufptr = v_buffer;
3502 }
3503 /*
3504 * If we have lots of unused memory allocated, return it
3505 */
3506 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3507 /* save pointers across realloc */
3508 unsigned int start = v_bufstr - v_buffer;
3509 unsigned int size = v_bufptr - v_buffer;
3510 unsigned int reallocto;
3511
3512 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3513 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3514 if (v_buffer) {
3515 v_bufstr = v_buffer + start;
3516 v_bufptr = v_buffer + size;
3517 v_bufend = v_buffer + reallocto;
3518 } else {
3519 /* should we print a warning if couldn't return memory? */
3520 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3521 }
3522 }
3523 R->v_buffer = v_buffer;
3524 R->v_bufstr = v_bufstr;
3525 R->v_bufptr = v_bufptr;
3526 R->v_bufend = v_bufend;
3527} 4226}
4227
3528/*----------------------- end-of-file (C source) -----------------------*/ 4228/*----------------------- end-of-file (C source) -----------------------*/
3529 4229

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