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Comparing rxvt-unicode/src/command.C (file contents):
Revision 1.8 by pcg, Wed Nov 26 10:42:34 2003 UTC vs.
Revision 1.603 by root, Mon Jun 5 13:39:34 2023 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: command.c 2 * File: command.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.8 2003/11/26 10:42:34 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
90 XK_Prior, 0x21de,
91 XK_Next, 0x21df,
92 XK_Tab, 0x21e5,
93 XK_ISO_Left_Tab, 0x21e6,
94 XK_Shift_L, 0x21e7,
95 XK_Shift_R, 0x21e7,
96
97 XK_Shift_Lock, 0x21eb,
98 XK_ISO_Lock, 0x21eb,
99 XK_Caps_Lock, 0x21ec,
100 XK_Num_Lock, 0x21ed,
101 XK_ISO_Level3_Shift, 0x21ee,
102 XK_ISO_Level3_Lock, 0x21ef,
103 XK_ISO_Group_Lock, 0x21f0,
104 XK_Home, 0x21f1,
105 XK_End, 0x21f2,
106
107 XK_Execute, 0x2318,
108 XK_Begin, 0x2320,
109 XK_Delete, 0x2326,
110 XK_Clear, 0x2327,
111 XK_BackSpace, 0x232b,
112 XK_Insert, 0x2380,
113 XK_KP_Enter, 0x2386,
114 XK_Alt_L, 0x2387,
115 XK_Alt_R, 0x2387,
116 XK_Control_L, 0x2388,
117 XK_Control_R, 0x2388,
118 XK_Pause, 0x2389,
119 XK_Break, 0x238a,
120 XK_Escape, 0x238b,
121 XK_Undo, 0x238c,
122 XK_Print, 0x2399,
123 XK_Return, 0x23ce,
124
125 XK_space, 0x2423,
126
127#ifdef XK_KP_Begin
128 XK_KP_Prior, 0x21de,
129 XK_KP_Next, 0x21df,
130 XK_KP_Begin, 0x2320,
131 XK_KP_Insert, 0x2380,
132 XK_KP_Delete, 0x2326,
133 XK_KP_Space, 0x2422,
134#endif
135 0,
136};
137
138void ecb_cold
139rxvt_term::iso14755_54 (int x, int y)
59{ 140{
60 int ctrl, meta, shft, len; 141 x = Pixel2Col (x);
61 unsigned int newlen; 142 y = Pixel2Row (y);
62 KeySym keysym; 143
63#ifdef DEBUG_CMD 144 if (!IN_RANGE_EXC (x, 0, ncol)
64 static int debug_key = 1; /* accessible by a debugger only */ 145 || !IN_RANGE_EXC (y, 0, nrow))
146 return;
147
148 for (;;)
149 {
150 const line_t &l = ROW(y + view_start);
151
152 text_t t = l.t[x];
153
154 if (t != NOCHAR || !x)
155 {
156 iso14755_51 (l.t[x], l.r[x], x, y, view_start);
157 iso14755buf = ISO_14755_54;
158 break;
159 }
160
161 x--;
162 }
163}
164
165void ecb_cold
166rxvt_term::iso14755_51 (unicode_t ch, rend_t r, int x, int y, int y2)
167{
168 rxvt_fontset *fs = FONTSET (r);
169 wchar_t *chr, *alloc, ch2, **fname;
170 int len;
171
172# if ENABLE_COMBINING
173 if (IS_COMPOSE (ch))
174 {
175 len = rxvt_composite.expand (ch);
176 alloc = chr = new wchar_t[len];
177 rxvt_composite.expand (ch, chr);
178 }
179 else
65#endif 180# endif
66#ifdef USE_XIM 181 {
67 int valid_keysym; 182 ch2 = ch;
183
184 alloc = 0;
185 chr = &ch2;
186 len = 1;
187 }
188
189 char rowcol[40];
190 snprintf (rowcol, sizeof rowcol, "col %d row %d @%d", x, y, y2);
191
192 char attr[80]; // plenty
193
194 sprintf (attr, "%08x = fg %d bg %d%s%s%s%s%s%s",
195 (int)r,
196 fgcolor_of (r), bgcolor_of (r),
197 r & RS_Bold ? " bold" : "",
198 r & RS_Italic ? " italic" : "",
199 r & RS_Blink ? " blink" : "",
200 r & RS_RVid ? " rvid" : "",
201 r & RS_Uline ? " uline" : "",
202 r & RS_Careful ? " careful" : "");
203
204 int width = 0;
205 fname = rxvt_temp_buf<wchar_t *> (len);
206 for (int i = 0; i < len; i++)
207 {
208 rxvt_font *f = (*fs)[fs->find_font_idx (chr[i])];
209 fname[i] = rxvt_utf8towcs (f->name);
210 max_it (width, wcswidth (fname[i], wcslen (fname[i])));
211 }
212
213 max_it (width, strlen (attr));
214
215 if (y >= 0)
216 {
217 y = (y >= nrow - len - 5 && x < width + 2) ? 0 : -1;
218 x = 0;
219 }
220
221 scr_overlay_new (x, y, width, len * 2 + 2);
222
223 scr_overlay_set (0, 0, rowcol);
224
225 r = SET_STYLE (OVERLAY_RSTYLE, GET_STYLE (r));
226
227 for (int y = 0; y < len; y++)
228 {
229 char buf[9];
230
231 ch = *chr++;
232
233 sprintf (buf, "%8x", ch);
234 scr_overlay_set (0, y + 1, buf);
235 scr_overlay_set (9, y + 1, '=');
236# if !UNICODE_3
237 if (ch >= 0x10000)
238 ch = 0xfffd;
68#endif 239# endif
69 unsigned char *kbuf = R->kbuf; 240 scr_overlay_set (11, y + 1, ch, r);
70 241
71/* 242 if (WCWIDTH (ch) >= 2)
243 scr_overlay_set (12, y + 1, NOCHAR, r);
244 }
245
246// {
247// char buf[4+4+3+1];
248// snprintf (buf, sizeof (buf), "(%.4d|%.4d)", x, y);
249// scr_overlay_set (0, 0, buf);
250// }
251 scr_overlay_set (0, len + 1, attr);
252 for (int i = 0; i < len; i++)
253 {
254 scr_overlay_set (0, len + 2 + i, fname[i]);
255 free (fname[i]);
256 }
257
258# if ENABLE_COMBINING
259 if (alloc)
260 delete [] alloc;
261# endif
262}
263#endif
264
265void ecb_cold
266rxvt_term::commit_iso14755 ()
267{
268 wchar_t ch = iso14755buf & ISO_14755_MASK;
269
270 if (iso14755buf & ISO_14755_51)
271 {
272 char mb[MB_LEN_MAX];
273 int len;
274
275 // allow verbatim 0-bytes and control-bytes to be entered
276 if (ch >= 0x20)
277 len = wctomb (mb, ch);
278 else
279 {
280 mb[0] = ch;
281 len = 1;
282 }
283
284 if (len > 0)
285 tt_write (mb, len);
286 else
287 scr_bell ();
288 }
289
290 iso14755buf = 0;
291}
292
293static int ecb_cold
294hex_keyval (XKeyEvent &ev)
295{
296 // check whether this event corresponds to a hex digit
297 // if the modifiers had not been pressed.
298 for (int index = 0; index < 8; index++)
299 {
300 KeySym k = XLookupKeysym (&ev, index);
301
302 if (k >= XK_KP_0 && k <= XK_KP_9) return k - XK_KP_0;
303 else if (k >= XK_0 && k <= XK_9) return k - XK_0;
304 else if (k >= XK_a && k <= XK_f) return k - XK_a + 10;
305 else if (k >= XK_A && k <= XK_F) return k - XK_A + 10;
306 }
307
308 return -1;
309}
310#endif
311
312static inline KeySym ecb_cold
313translate_keypad (KeySym keysym, bool kp)
314{
315#ifdef XK_KP_Home
316 static const KeySym keypadtrans[] = {
317 XK_KP_7, // XK_KP_Home
318 XK_KP_4, // XK_KP_Left
319 XK_KP_8, // XK_KP_Up
320 XK_KP_6, // XK_KP_Right
321 XK_KP_2, // XK_KP_Down
322 XK_KP_9, // XK_KP_Prior
323 XK_KP_3, // XK_KP_Next
324 XK_KP_1, // XK_KP_End
325 XK_KP_5, // XK_KP_Begin
326 };
327
328 if (IN_RANGE_INC (keysym, XK_KP_Home, XK_KP_Begin))
329 {
330 unsigned int index = keysym - XK_KP_Home;
331 keysym = kp ? keypadtrans[index] : XK_Home + index;
332 }
333 else if (keysym == XK_KP_Insert)
334 keysym = kp ? XK_KP_0 : XK_Insert;
335# ifndef NO_DELETE_KEY
336 else if (keysym == XK_KP_Delete)
337 keysym = kp ? XK_KP_Decimal : XK_Delete;
338# endif
339#endif
340 return keysym;
341}
342
343static inline int ecb_cold
344map_function_key (KeySym keysym)
345{
346 int param = 0;
347
348 if (IN_RANGE_INC (keysym, XK_F1, XK_F35))
349 {
350 param = 11 + keysym - XK_F1;
351 if (keysym >= XK_F17)
352 param += 4;
353 else if (keysym >= XK_F15)
354 param += 3;
355 else if (keysym >= XK_F11)
356 param += 2;
357 else if (keysym >= XK_F6)
358 param += 1;
359 }
360 else
361 switch (keysym)
362 {
363 case XK_Find:
364 param = 1;
365 break;
366 case XK_Insert:
367 param = 2;
368 break;
369#ifdef DXK_Remove
370 case DXK_Remove:
371#endif
372 case XK_Execute:
373 param = 3;
374 break;
375 case XK_Select:
376 param = 4;
377 break;
378 case XK_Prior:
379 param = 5;
380 break;
381 case XK_Next:
382 param = 6;
383 break;
384 case XK_Home:
385 param = 7;
386 break;
387 case XK_End:
388 param = 8;
389 break;
390 case XK_Help:
391 param = 28;
392 break;
393 case XK_Menu:
394 param = 29;
395 break;
396 }
397 return param;
398}
399
400static inline wchar_t *
401rxvt_wcsdup (const wchar_t *str, int len)
402{
403 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
404 memcpy (r, str, len * sizeof (wchar_t));
405 r[len] = 0;
406 return r;
407}
408
409void ecb_cold
410rxvt_term::key_press (XKeyEvent &ev)
411{
412 int ctrl, meta, shft, len;
413 KeySym keysym = NoSymbol;
414 char rkbuf[KBUFSZ + 1];
415 char *kbuf = rkbuf + 1;
416
417#if ISO_14755
418 if (iso14755buf & ISO_14755_52)
419 return;
420#endif
421
422 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an 423 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad. 424 * escape sequence to toggle the Keypad.
74 * 425 *
75 * Always permit `shift' to override the current setting 426 * Always permit `shift' to override the current setting
76 */ 427 */
77 shft = (ev->state & ShiftMask); 428 shft = ev.state & ShiftMask;
78 ctrl = (ev->state & ControlMask); 429 ctrl = ev.state & ControlMask;
79 meta = (ev->state & R->ModMetaMask); 430 meta = ev.state & ModMetaMask;
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) { 431
81 R->numlock_state = (ev->state & R->ModNumLockMask); 432 kbuf[0] = 0;
82 PrivMode((!R->numlock_state), PrivMode_aplKP); 433
83 }
84#ifdef USE_XIM 434#if USE_XIM
85 if (R->Input_Context != NULL) { 435 if (Input_Context)
86 Status status_return; 436 {
437 Status status_return;
87 438
88 kbuf[0] = '\0'; 439#if 0
89#ifdef X_HAVE_UTF8_STRING 440#ifdef X_HAVE_UTF8_STRING
441 if (enc_utf8 && 0) // currently disabled, doesn't seem to work, nor is useful
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf, 442 len = Xutf8LookupString (Input_Context, &ev, kbuf,
91 KBUFSZ, &keysym, &status_return); 443 KBUFSZ, &keysym, &status_return);
444 else
445#endif
446#endif
447 {
448 wchar_t wkbuf[KBUFSZ + 1];
449
450 // the XOpenIM manpage lies about hardcoding the locale
451 // at the point of XOpenIM, so temporarily switch locales
452 if (rs[Rs_imLocale])
453 SET_LOCALE (rs[Rs_imLocale]);
454
455 // assume wchar_t == unicode or better
456 len = XwcLookupString (Input_Context, &ev, wkbuf,
457 KBUFSZ, &keysym, &status_return);
458
459 if (rs[Rs_imLocale])
460 SET_LOCALE (locale);
461
462 if (status_return == XLookupChars
463 || status_return == XLookupBoth)
464 {
465 /* make sure the user can type ctrl-@, i.e. NUL */
466 if (len == 1 && *wkbuf == 0)
467 {
468 kbuf[0] = 0;
469 len = 1;
470 }
471 else
472 {
473 wkbuf[len] = 0;
474 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
475 if (len < 0)
476 len = 0;
477 }
478 }
479 else
480 len = 0;
481 }
482 }
483 else
484#endif
485 {
486 len = XLookupString (&ev, kbuf, KBUFSZ, &keysym, &compose);
487 }
488
489 if (keysym != NoSymbol)
490 {
491 KeySym orig_keysym = keysym;
492
493 /* Shift + F1 - F10 generates F11 - F20 */
494 if (shft && keysym >= XK_F1 && keysym <= XK_F10)
495 {
496 keysym += (XK_F11 - XK_F1);
497 shft = 0; /* turn off Shift */
498 }
499
500 if (keysym >= 0xFF00 && keysym <= 0xFFFF)
501 {
502 bool kp = priv_modes & PrivMode_aplKP ? !shft : shft;
503 unsigned int newlen = 1;
504
505 if (ev.state & ModNumLockMask)
506 kp = false;
507
508 keysym = translate_keypad (keysym, kp);
509
510 switch (keysym)
511 {
512#ifndef NO_BACKSPACE_KEY
513 case XK_BackSpace:
514 if (priv_modes & PrivMode_HaveBackSpace)
515 {
516 kbuf[0] = (!! (priv_modes & PrivMode_BackSpace)
517 ^ !!ctrl) ? '\b' : '\177';
518 kbuf[1] = '\0';
519 }
520 else
521 strcpy (kbuf, rs[Rs_backspace_key]);
522 break;
523#endif
524#ifndef NO_DELETE_KEY
525 case XK_Delete:
526 strcpy (kbuf, rs[Rs_delete_key]);
527 break;
528#endif
529 case XK_Tab:
530 if (shft)
531 strcpy (kbuf, "\033[Z");
532 else
533 {
534#ifdef CTRL_TAB_MAKES_META
535 if (ctrl)
536 meta = 1;
537#endif
538#ifdef MOD4_TAB_MAKES_META
539 if (ev.state & Mod4Mask)
540 meta = 1;
541#endif
542 newlen = 0;
543 }
544 break;
545
546 case XK_Up: /* "\033[A" */
547 case XK_Down: /* "\033[B" */
548 case XK_Right: /* "\033[C" */
549 case XK_Left: /* "\033[D" */
550 strcpy (kbuf, "\033[Z");
551 kbuf[2] = "DACB"[keysym - XK_Left];
552 /* do Shift first */
553 if (shft)
554 kbuf[2] = "dacb"[keysym - XK_Left];
555 else if (ctrl)
556 {
557 kbuf[1] = 'O';
558 kbuf[2] = "dacb"[keysym - XK_Left];
559 }
560 else if (priv_modes & PrivMode_aplCUR)
561 kbuf[1] = 'O';
562 break;
563
564 case XK_KP_Enter:
565 /* allow shift to override */
566 if (kp)
567 {
568 strcpy (kbuf, "\033OM");
569 break;
570 }
571
572 /* FALLTHROUGH */
573
574 case XK_Return:
575 if (priv_modes & PrivMode_LFNL)
576 {
577 kbuf[0] = '\015';
578 kbuf[1] = '\012';
579 kbuf[2] = '\0';
580 }
581 else
582 {
583 kbuf[0] = '\015';
584 kbuf[1] = '\0';
585 }
586 break;
587
588 case XK_KP_F1: /* "\033OP" */
589 case XK_KP_F2: /* "\033OQ" */
590 case XK_KP_F3: /* "\033OR" */
591 case XK_KP_F4: /* "\033OS" */
592 strcpy (kbuf, "\033OP");
593 kbuf[2] += (keysym - XK_KP_F1);
594 break;
595
596 case XK_KP_Multiply: /* "\033Oj" : "*" */
597 case XK_KP_Add: /* "\033Ok" : "+" */
598 case XK_KP_Separator: /* "\033Ol" : "," */
599 case XK_KP_Subtract: /* "\033Om" : "-" */
600 case XK_KP_Decimal: /* "\033On" : "." */
601 case XK_KP_Divide: /* "\033Oo" : "/" */
602 case XK_KP_0: /* "\033Op" : "0" */
603 case XK_KP_1: /* "\033Oq" : "1" */
604 case XK_KP_2: /* "\033Or" : "2" */
605 case XK_KP_3: /* "\033Os" : "3" */
606 case XK_KP_4: /* "\033Ot" : "4" */
607 case XK_KP_5: /* "\033Ou" : "5" */
608 case XK_KP_6: /* "\033Ov" : "6" */
609 case XK_KP_7: /* "\033Ow" : "7" */
610 case XK_KP_8: /* "\033Ox" : "8" */
611 case XK_KP_9: /* "\033Oy" : "9" */
612 /* allow shift to override */
613 if (kp)
614 {
615 strcpy (kbuf, "\033Oj");
616 kbuf[2] += (keysym - XK_KP_Multiply);
617 }
618 else
619 {
620 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
621 kbuf[1] = '\0';
622 }
623 break;
624
625 default:
626 {
627 int param = map_function_key (keysym);
628 if (param > 0)
629 sprintf (kbuf,"\033[%d~", param);
630 else
631 newlen = 0;
632 }
633 break;
634 }
635
636 if (newlen)
637 len = strlen (kbuf);
638
639 if (len > 0)
640 {
641 /*
642 * pass Shift/Control indicators for function keys ending with `~'
643 *
644 * eg,
645 * Prior = "ESC[5~"
646 * Shift+Prior = "ESC[5$"
647 * Ctrl+Prior = "ESC[5^"
648 * Ctrl+Shift+Prior = "ESC[5@"
649 */
650 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
651 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
652
653 /*
654 * Pass meta for all function keys, if 'meta' option set
655 */
656#ifdef META8_OPTION
657 if (meta && (meta_char == 0x80))
658 kbuf[len - 1] |= 0x80;
659#endif
660 }
661
662 }
663 else if (ctrl && keysym == XK_minus)
664 {
665 len = 1;
666 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
667 }
668 else if (keysym == XK_ISO_Left_Tab)
669 {
670 strcpy (kbuf, "\033[Z");
671 len = 3;
672 }
673 else
674 {
675#ifdef META8_OPTION
676 /* set 8-bit on */
677 if (meta && (meta_char == 0x80))
678 {
679 char *ch;
680
681 for (ch = kbuf; ch < kbuf + len; ch++)
682 *ch |= 0x80;
683 }
684#endif
685 /* nil */ ;
686 }
687
688 keysym = orig_keysym;
689 }
690
691 /* escape prefix */
692 if (len && meta
693#ifdef META8_OPTION
694 && meta_char == C0_ESC
695#endif
696 )
697 {
698 *--kbuf = C0_ESC;
699 len++;
700 }
701
702 if (HOOK_INVOKE ((this, HOOK_KEY_PRESS, DT_XEVENT, &ev, DT_INT, keysym, DT_STR_LEN, kbuf, len, DT_END)))
703 return;
704
705 if (keysym != NoSymbol)
706 {
707#ifdef KEYSYM_RESOURCE
708 if (keyboard->dispatch (this, keysym, ev.state, kbuf, len))
709 return;
710#endif
711
712 if (saveLines)
713 {
714#ifdef UNSHIFTED_SCROLLKEYS
715 if (!ctrl && !meta)
92#else 716#else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf, 717 if (IS_SCROLL_MOD)
94 KBUFSZ, &keysym, &status_return);
95#endif 718#endif
96 valid_keysym = ((status_return == XLookupKeySym) 719 {
97 || (status_return == XLookupBoth)); 720 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 */
119 721
120#ifdef USE_XIM 722#ifdef PAGING_CONTEXT_LINES
121 if (valid_keysym) 723 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 724#else
129 if (meta) { 725 lnsppg = nrow * 4 / 5;
726#endif
727 max_it (lnsppg, 1);
728
729 if (keysym == XK_Prior)
730 {
731 scr_page (lnsppg);
732 return;
733 }
734 else if (keysym == XK_Next)
735 {
736 scr_page (-lnsppg);
737 return;
738 }
739 }
740#ifdef SCROLL_ON_UPDOWN_KEYS
741 if (IS_SCROLL_MOD)
742 {
743 if (keysym == XK_Up)
744 {
745 scr_page (1);
746 return;
747 }
748 else if (keysym == XK_Down)
749 {
750 scr_page (-1);
751 return;
752 }
753 }
754#endif
755#ifdef SCROLL_ON_HOMEEND_KEYS
756 if (IS_SCROLL_MOD)
757 {
758 if (keysym == XK_Home)
759 {
760 scr_changeview (top_row);
761 return;
762 }
763 else if (keysym == XK_End)
764 {
765 scr_changeview (0);
766 return;
767 }
768 }
769#endif
770 }
771
772 if (shft)
773 {
774 if (!ctrl && !meta && (priv_modes & PrivMode_ShiftKeys))
775 {
776 switch (keysym)
777 {
778 /* normal XTerm key bindings */
779 case XK_Insert: /* Shift+Insert = paste mouse selection */
780 selection_request (ev.time);
781 return;
782#if TODO
783 /* rxvt extras */
784 case XK_KP_Add: /* Shift+KP_Add = bigger font */
785 return;
786 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
787 return;
788#endif
789 }
790 }
791 }
792
793 if (ctrl && meta && (keysym == XK_c || keysym == XK_v))
794 {
795 if (keysym == XK_v)
796 selection_request (ev.time, Sel_Clipboard);
797 else if (selection.len > 0)
798 {
799 free (selection.clip_text);
800 selection.clip_text = rxvt_wcsdup (selection.text, selection.len);
801 selection.clip_len = selection.len;
802 selection_grab (CurrentTime, true);
803 }
804
805 return;
806 }
807
808#if ENABLE_FRILLS || ISO_14755
809 // ISO 14755 support
810 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_51))
811 {
812 int hv;
813
814 if (iso14755buf & ISO_14755_51
815 && (keysym == XK_space || keysym == XK_KP_Space
816 || keysym == XK_Return || keysym == XK_KP_Enter))
817 {
818 commit_iso14755 ();
819 iso14755buf = ISO_14755_51;
820# if ISO_14755
821 iso14755_51 (0);
130# endif 822# endif
131 if (keysym == R->ks_bigfont) { 823 return;
132 rxvt_change_font(aR_ 0, FONT_UP); 824 }
133 return; 825 else if (keysym == XK_BackSpace)
134 } else if (keysym == R->ks_smallfont) { 826 {
135 rxvt_change_font(aR_ 0, FONT_DN); 827 iso14755buf = ((iso14755buf & ISO_14755_MASK) >> 4) | ISO_14755_51;
136 return; 828# if ISO_14755
137 } 829 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 830# endif
242 rxvt_tt_write(aR_ &ch, 1); 831 return;
243 rxvt_tt_write(aR_ kbuf0, l); 832 }
244 return; 833 else if ((hv = hex_keyval (ev)) >= 0)
245 } else 834 {
246#endif 835 iso14755buf = ((iso14755buf << 4) & ISO_14755_MASK)
247 { 836 | hv | ISO_14755_51;
248 newlen = 1; 837# if ISO_14755
249 switch (keysym) { 838 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 839# 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; 840 return;
745
746 continue;
747 } 841 }
748 else 842 else
749 { 843 {
750 s.cnt = 0; 844# if ISO_14755
751 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */ 845 scr_overlay_off ();
846# endif
847 iso14755buf = 0;
752 } 848 }
753 } 849 }
850 else if (option (Opt_iso14755) &&
851 ((ctrl && (keysym == XK_Shift_L || keysym == XK_Shift_R))
852 || (shft && (keysym == XK_Control_L || keysym == XK_Control_R))))
853 if (!(iso14755buf & ISO_14755_STARTED))
854 {
855 iso14755buf |= ISO_14755_STARTED;
856# if ISO_14755
857 scr_overlay_new (0, -1, sizeof ("ISO 14755 mode") - 1, 1);
858 scr_overlay_set (0, 0, "ISO 14755 mode");
859# endif
860 }
861#endif
862
863#ifdef PRINTPIPE
864 if (keysym == XK_Print)
865 {
866 scr_printscreen (ctrl | shft);
867 return;
868 }
869#endif
870 }
871
872 if (len <= 0)
873 return; /* not mapped */
874
875 tt_write_user_input (kbuf, (unsigned int)len);
876}
877
878void ecb_cold
879rxvt_term::key_release (XKeyEvent &ev)
880{
881#if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ISO_14755 || ENABLE_PERL
882 KeySym keysym;
883
884 keysym = XLookupKeysym (&ev, ev.state & ShiftMask ? 1 : 0); // sorry, only shift supported :/
885#endif
886
887#if ENABLE_FRILLS || ISO_14755
888 // ISO 14755 support
889 if (iso14755buf)
890 if (iso14755buf & ISO_14755_52)
754 891 {
755 if ((ch & 0xc0) == 0xc0) 892# if ISO_14755
893 scr_overlay_off ();
894# endif
895# if ISO_14755
896 // iso14755 part 5.2 handling: release time
897 // first: controls
898 if ((ev.state & ControlMask)
899 && ((keysym >= 0x40 && keysym <= 0x5f)
900 || (keysym >= 0x61 && keysym <= 0x7f)))
756 { 901 {
757 cmdbuf_ptr++; 902 iso14755buf = ISO_14755_51 | 0x2400 | (keysym & 0x1f);
903 commit_iso14755 ();
758 904
759 /* first byte */ 905 return;
760 s.orig = ch; /* for broken encodings */
761 s.reg = ch;
762 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
763 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
764 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
765 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
766 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
767 } 906 }
907
908 for (unsigned short *i = iso14755_symtab; i[0]; i += 2)
909 if (i[0] == keysym)
910 {
911 iso14755buf = ISO_14755_51 | i[1];
912 commit_iso14755 ();
913
914 return;
915 }
916
917 scr_bell ();
918# endif
919 iso14755buf = 0;
920
921 return;
922 }
923 else if ((ev.state & (ShiftMask | ControlMask)) != (ShiftMask | ControlMask))
924 {
925# if ISO_14755
926 scr_overlay_off ();
927# endif
928 if (iso14755buf & ISO_14755_51)
929 commit_iso14755 ();
930#if ISO_14755
931 else if (option (Opt_iso14755_52) && iso14755buf & ISO_14755_STARTED)
932 {
933 iso14755buf = ISO_14755_52; // iso14755 part 5.2: remember empty begin/end pair
934
935 scr_overlay_new (0, -1, sizeof ("KEYCAP PICTURE INSERT MODE") - 1, 1);
936 scr_overlay_set (0, 0, "KEYCAP PICTURE INSERT MODE");
937 }
938# endif
768 else 939 else
940 iso14755buf = 0;
769 { 941 }
770 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */ 942#endif
771 return ch; 943
944 if (HOOK_INVOKE ((this, HOOK_KEY_RELEASE, DT_XEVENT, &ev, DT_INT, keysym, DT_END)))
945 return;
946
947#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
948 if (!(ev.state & ControlMask))
949 slip_wheel_ev.stop ();
950 else if (keysym == XK_Control_L || keysym == XK_Control_R)
951 mouse_slip_wheel_speed = 0;
952#endif
953}
954
955void
956rxvt_term::flush ()
957{
958 flush_ev.stop ();
959
960#ifdef HAVE_IMG
961 if (bg_flags & BG_NEEDS_REFRESH)
962 {
963 bg_flags &= ~BG_NEEDS_REFRESH;
964 scr_touch (false);
965 }
966#endif
967
968 if (want_refresh)
969 {
970 if (SHOULD_INVOKE (HOOK_LINE_UPDATE))
772 } 971 {
972 int row = view_start;
973 int end_row = row + nrow;
974
975 while (row > top_row && ROW (row - 1).is_longer ())
976 --row;
977
978 do
979 {
980 int start_row = row;
981 line_t *l;
982
983 do
984 {
985 l = &ROW (row++);
986
987 if (!(l->f & LINE_FILTERED))
988 {
989 // line not filtered, mark it as filtered
990 l->f |= LINE_FILTERED;
991 while (l->is_longer ())
992 {
993 l = &ROW (row++);
994 l->f |= LINE_FILTERED;
995 }
996
997 // and filter it
998 HOOK_INVOKE ((this, HOOK_LINE_UPDATE, DT_INT, start_row, DT_END));
999
1000 break;
1001 }
1002 }
1003 while (l->is_longer () && row < end_row);
1004 }
1005 while (row < end_row);
1006 }
1007
1008 scr_refresh ();
1009 scrollBar.show (1);
1010#if USE_XIM
1011 im_send_spot ();
1012#endif
1013 }
1014
1015 display->flush ();
1016}
1017
1018/* checks whether a refresh is requested and starts the refresh timer */
1019void
1020rxvt_term::refresh_check ()
1021{
1022 if (want_refresh && !flush_ev.is_active ())
1023 flush_ev.start ();
1024
1025 display->flush ();
1026}
1027
1028void
1029rxvt_term::flush_cb (ev::timer &w, int revents)
1030{
1031 make_current ();
1032
1033 refresh_count = 0;
1034 flush ();
1035}
1036
1037#ifdef CURSOR_BLINK
1038void
1039rxvt_term::cursor_blink_reset ()
1040{
1041 if (!focus)
1042 return;
1043
1044 if (hidden_cursor)
773 } 1045 {
1046 hidden_cursor = 0;
1047 want_refresh = 1;
1048 }
774 1049
775 return NOCHAR; 1050 if (option (Opt_cursorBlink) || (priv_modes & PrivMode_BlinkingCursor))
1051 cursor_blink_ev.again ();
1052 else
1053 cursor_blink_ev.stop ();
776} 1054}
1055
1056void
1057rxvt_term::cursor_blink_cb (ev::timer &w, int revents)
1058{
1059 hidden_cursor = !hidden_cursor;
1060 want_refresh = 1;
1061 refresh_check ();
1062}
1063#endif
1064
1065#ifdef TEXT_BLINK
1066void
1067rxvt_term::text_blink_cb (ev::timer &w, int revents)
1068{
1069 if (scr_refresh_rend (RS_Blink, RS_Blink))
1070 {
1071 hidden_text = !hidden_text;
1072 want_refresh = 1;
1073 refresh_check ();
1074 }
1075 else
1076 w.stop ();
1077}
1078#endif
1079
1080#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1081void
1082rxvt_term::cont_scroll_cb (ev::timer &w, int revents)
1083{
1084 if ((scrollBar.state == SB_STATE_UP || scrollBar.state == SB_STATE_DOWN)
1085 && scr_page (scrollBar.state == SB_STATE_UP ? UP : DN, 1))
1086 {
1087 want_refresh = 1;
1088 refresh_check ();
1089 }
1090 else
1091 w.stop ();
1092}
1093#endif
1094
1095#ifdef SELECTION_SCROLLING
1096void
1097rxvt_term::sel_scroll_cb (ev::timer &w, int revents)
1098{
1099 if (scr_page (scroll_selection_lines))
1100 {
1101 selection_extend (selection_save_x, selection_save_y, selection_save_state);
1102 want_refresh = 1;
1103 refresh_check ();
1104 }
1105 else
1106 w.stop ();
1107}
1108#endif
1109
1110#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1111void
1112rxvt_term::slip_wheel_cb (ev::timer &w, int revents)
1113{
1114 if (scr_page (mouse_slip_wheel_speed))
1115 {
1116 want_refresh = 1;
1117 refresh_check ();
1118 }
1119
1120 if (view_start == top_row || view_start == 0 || mouse_slip_wheel_speed == 0)
1121 {
1122 mouse_slip_wheel_speed = 0;
1123 w.stop ();
1124 }
1125}
1126#endif
1127
1128#if LINUX_YIELD_HACK
1129static struct event_handler
1130{
1131 ev::prepare yield_ev;
1132
1133 void yield_cb (ev::prepare &w, int revents)
1134 {
1135 // this should really be sched_yield(), but the linux guys thought
1136 // that giving a process calling sched_yield () less cpu time than
1137 // ones with high nice levels is a useful thing to do. It surely is is
1138 // allowed by the sus... as is returning ENOSYS.
1139 // since the linux guys additionally thought that breaking the only
1140 // known workaround against their unusable sched_yield hack is cool,
1141 // we just nanosleep a bit and hope for the best.
1142
1143 struct timespec ts = { 0, 1000 };
1144 nanosleep (&ts, 0);
1145
1146 w.stop ();
1147 }
1148
1149 event_handler ()
1150 : yield_ev (this, &event_handler::yield_cb)
1151 {
1152 }
1153} event_handler;
1154#endif
1155
1156/* make sure all the cmd data is at beginning of cmdbuf */
1157void
1158rxvt_term::cmdbuf_reify ()
1159{
1160 if (cmdbuf_ptr == cmdbuf_base)
1161 return;
1162
1163 ssize_t used = cmdbuf_endp - cmdbuf_ptr;
1164
1165 memmove (cmdbuf_base, cmdbuf_ptr, used);
1166 cmdbuf_ptr = cmdbuf_base;
1167 cmdbuf_endp = cmdbuf_ptr + used;
1168
1169}
1170
1171#if defined (KEYSYM_RESOURCE)
1172void
1173rxvt_term::cmdbuf_append (const char *str, size_t count)
1174{
1175 cmdbuf_reify ();
1176
1177 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1178
1179 if (count > avail)
1180 return;
1181
1182 memcpy (cmdbuf_endp, str, count);
1183 cmdbuf_endp += count;
1184
1185 cmd_parse ();
1186}
1187#endif
777 1188
778bool 1189bool
779rxvt_term::pty_fill () 1190rxvt_term::pty_fill ()
780{ 1191{
781 ssize_t n = cmdbuf_endp - cmdbuf_ptr; 1192 cmdbuf_reify ();
782 1193
783 memmove (cmdbuf_base, cmdbuf_ptr, n); 1194 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1195
1196 if (!avail)
1197 {
1198 // normally this indicates a "too long" command sequence - just drop the data we have
784 cmdbuf_ptr = cmdbuf_base; 1199 cmdbuf_ptr = cmdbuf_base;
785 cmdbuf_endp = cmdbuf_ptr + n; 1200 cmdbuf_endp = cmdbuf_ptr;
786 1201 avail = CBUFSIZ;
787 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n); 1202 }
788 1203
1204 ssize_t r = read (pty->pty, cmdbuf_endp, avail);
1205
789 if (n > 0) 1206 if (r > 0)
790 { 1207 {
791 cmdbuf_endp += n; 1208 cmdbuf_endp += r;
792 return true; 1209 return true;
793 } 1210 }
794 else if (n < 0 && errno == EAGAIN) 1211 else if (r < 0 && (errno == EAGAIN || errno == EINTR))
1212 {
1213#if LINUX_YIELD_HACK
1214 if (display->is_local)
1215 event_handler.yield_ev.start ();
1216#endif
1217 }
1218 else
1219 {
1220 pty_ev.stop ();
1221
1222 if (!option (Opt_hold))
1223 destroy ();
1224 }
1225
795 return false; 1226 return false;
796
797 rxvt_clean_exit ();
798 exit (EXIT_FAILURE); /* bad order of events? */
799} 1227}
800 1228
801void 1229void
802rxvt_term::pty_cb (io_watcher &w, short revents) 1230rxvt_term::pty_cb (ev::io &w, int revents)
803{ 1231{
1232 make_current ();
1233
1234 if (revents & ev::READ)
804 // loop, but don't allow a single term to monopolize us 1235 // loop, but don't allow a single term to monopolize us
805 // the number of loops is fully arbitrary, and thus wrong
806 for (int i = 7; i-- && pty_fill (); ) 1236 for (int i = CBUFCNT; i-- && pty_fill (); )
1237 cmd_parse ();
1238
1239 if (revents & ev::WRITE)
1240 pty_write ();
1241
1242 refresh_check ();
1243}
1244
1245void ecb_cold
1246rxvt_term::pointer_unblank ()
1247{
1248 XDefineCursor (dpy, vt, TermWin_cursor);
1249 recolor_cursor ();
1250
1251#ifdef POINTER_BLANK
1252 hidden_pointer = 0;
1253
1254 if (option (Opt_pointerBlank))
1255 pointer_ev.start (pointerBlankDelay);
1256#endif
1257}
1258
1259#ifdef POINTER_BLANK
1260void ecb_cold
1261rxvt_term::pointer_blank ()
1262{
1263 if (!option (Opt_pointerBlank))
1264 return;
1265
1266 XDefineCursor (dpy, vt, display->blank_cursor);
1267 XFlush (dpy);
1268
1269 hidden_pointer = 1;
1270}
1271
1272void ecb_cold
1273rxvt_term::pointer_cb (ev::timer &w, int revents)
1274{
1275 make_current ();
1276
1277 pointer_blank ();
1278}
1279#endif
1280
1281void
1282rxvt_term::mouse_report (XButtonEvent &ev)
1283{
1284 int button_number, state = 0;
1285 int x, y;
1286 bool release = ev.type == ButtonRelease;
1287
1288 x = 1 + clamp (Pixel2Col (ev.x), 0, ncol - 1);
1289 y = 1 + clamp (Pixel2Row (ev.y), 0, nrow - 1);
1290
1291 if (ev.type == MotionNotify)
1292 {
1293 if (x == mouse_row && y == mouse_col)
1294 return;
1295
1296 mouse_row = x;
1297 mouse_col = y;
1298 state += 32;
807 { 1299 }
808 //TODO:
809 /* once we know the shell is running, send the screen size. Again! */
810 //ch = rxvt_cmd_getc(aR); /* wait for something */
811 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
812 1300
813 uint32_t ch = NOCHAR; 1301 button_number = MEvent.button - Button1;
1302 if (button_number > 10)
1303 return;
1304 else if (button_number >= 7)
1305 button_number += 128 - 7;
1306 else if (button_number >= 3)
1307 button_number += 64 - 3;
814 1308
815 for (;;) 1309 if (priv_modes & PrivMode_MouseX10)
1310 {
1311 /*
1312 * do not report ButtonRelease
1313 * no state info allowed
1314 */
1315 if (release)
1316 return;
1317 }
1318 else
1319 {
1320 /* XTerm mouse reporting needs these values:
1321 * 4 = Shift
1322 * 8 = Meta
1323 * 16 = Control
1324 * plus will add in our own Double-Click reporting
1325 * 32 = Double Click
1326 */
1327 state += ((MEvent.state & ShiftMask) ? 4 : 0)
1328 + ((MEvent.state & ModMetaMask) ? 8 : 0)
1329 + ((MEvent.state & ControlMask) ? 16 : 0);
1330#ifdef MOUSE_REPORT_DOUBLECLICK
1331 state += ((MEvent.clicks > 1) ? 32 : 0);
1332#endif
1333 }
1334
1335 int code = 32 + (release ? 3 : button_number) + state;
1336
1337#if DEBUG_MOUSEREPORT
1338 fprintf (stderr, "Mouse [");
1339 if (state & 16)
1340 fputc ('C', stderr);
1341 if (state & 4)
1342 fputc ('S', stderr);
1343 if (state & 8)
1344 fputc ('A', stderr);
1345 if (state & 32)
1346 fputc ('2', stderr);
1347 fprintf (stderr, "]: <%d>, %d/%d\n",
1348 button_number,
1349 x,
1350 y);
1351#endif
1352
1353#if ENABLE_FRILLS
1354 if (priv_modes & PrivMode_ExtMouseSGR)
1355 tt_printf ("\033[<%d;%d;%d%c",
1356 button_number + state,
1357 x,
1358 y,
1359 release ? 'm' : 'M');
1360 else if (priv_modes & PrivMode_ExtMouseUrxvt)
1361 tt_printf ("\033[%d;%d;%dM",
1362 code,
1363 x,
1364 y);
1365 else if (priv_modes & PrivMode_ExtMouseUTF8)
1366 if (code < 128)
1367 tt_printf ("\033[M%c%lc%lc",
1368 code,
1369 wint_t (32 + x),
1370 wint_t (32 + y));
1371 else
1372 tt_printf ("\033[M%c%c%lc%lc",
1373 0xc0 + (code >> 6),
1374 0x80 + (code & 0x3f),
1375 wint_t (32 + x),
1376 wint_t (32 + y));
1377 else
1378#endif
1379 tt_printf ("\033[M%c%c%c",
1380 code,
1381 32 + x,
1382 32 + y);
1383}
1384
1385/*{{{ process an X event */
1386void ecb_hot
1387rxvt_term::x_cb (XEvent &ev)
1388{
1389 make_current ();
1390
1391 dLocal (Display *, dpy);
1392
1393 if (ev.xany.window == vt
1394 && SHOULD_INVOKE (HOOK_X_EVENT)
1395 && HOOK_INVOKE ((this, HOOK_X_EVENT, DT_XEVENT, &ev, DT_END)))
1396 return;
1397
1398 // for XQueryPointer
1399 Window unused_root, unused_child;
1400 int unused_root_x, unused_root_y;
1401 unsigned int unused_mask;
1402
1403 switch (ev.type)
1404 {
1405 case KeyPress:
1406 key_press (ev.xkey);
1407 break;
1408
1409 case KeyRelease:
1410 key_release (ev.xkey);
1411 break;
1412
1413 case ButtonPress:
1414 button_press (ev.xbutton);
1415 break;
1416
1417 case ButtonRelease:
1418 button_release (ev.xbutton);
1419 break;
1420
1421 case ClientMessage:
1422 if (ev.xclient.format == 32
1423 && !HOOK_INVOKE ((this, HOOK_CLIENT_MESSAGE, DT_XEVENT, &ev, DT_END)))
816 { 1424 {
817 if (ch == NOCHAR) 1425 if (ev.xclient.message_type == xa[XA_WM_PROTOCOLS])
818 ch = next_char (); 1426 {
1427 if (!HOOK_INVOKE ((this, HOOK_WM_PROTOCOLS, DT_XEVENT, &ev, DT_END)))
1428 {
1429 if (ev.xclient.data.l[0] == xa[XA_WM_DELETE_WINDOW])
1430 {
1431 if (!HOOK_INVOKE ((this, HOOK_WM_DELETE_WINDOW, DT_XEVENT, &ev, DT_END)))
1432 destroy ();
1433 }
1434#if ENABLE_EWMH
1435 else if (ev.xclient.data.l[0] == xa[XA_NET_WM_PING])
1436 XSendEvent (dpy, ev.xclient.window = display->root,
1437 False, SubstructureRedirectMask | SubstructureNotifyMask,
1438 &ev);
1439#endif
1440 }
1441 }
1442#if ENABLE_XEMBED
1443 else if (ev.xclient.format == 32 && ev.xclient.message_type == xa[XA_XEMBED])
1444 {
1445 if (ev.xclient.data.l[1] == XEMBED_FOCUS_IN)
1446 focus_in ();
1447 else if (ev.xclient.data.l[1] == XEMBED_FOCUS_OUT)
1448 focus_out ();
1449 }
1450#endif
1451 }
1452 break;
819 1453
820 if (ch == NOCHAR) // TODO: improve 1454 /*
1455 * XXX: this is not the _current_ arrangement
1456 * Here's my conclusion:
1457 * If the window is completely unobscured, use bitblt's
1458 * to scroll. Even then, they're only used when doing partial
1459 * screen scrolling. When partially obscured, we have to fill
1460 * in the GraphicsExpose parts, which means that after each refresh,
1461 * we need to wait for the graphics expose or Noexpose events,
1462 * which ought to make things real slow!
1463 */
1464 case VisibilityNotify:
1465 switch (ev.xvisibility.state)
1466 {
1467 case VisibilityUnobscured:
1468 refresh_type = FAST_REFRESH;
821 break; 1469 break;
1470 case VisibilityPartiallyObscured:
1471 refresh_type = SLOW_REFRESH;
1472 break;
1473 default:
1474 refresh_type = NO_REFRESH;
1475 break;
1476 }
1477 break;
822 1478
823 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r') 1479 case FocusIn:
1480 if (ev.xfocus.detail != NotifyInferior
1481 && ev.xfocus.detail != NotifyPointer
1482 && ev.xfocus.mode != NotifyGrab)
1483 focus_in ();
1484 break;
1485
1486 case FocusOut:
1487 if (ev.xfocus.detail != NotifyInferior
1488 && ev.xfocus.detail != NotifyPointer
1489 && ev.xfocus.mode != NotifyGrab)
1490 focus_out ();
1491 break;
1492
1493 case ConfigureNotify:
1494 if (ev.xconfigure.window == parent)
1495 {
1496 while (XCheckTypedWindowEvent (dpy, ev.xconfigure.window, ConfigureNotify, &ev))
1497 ;
1498
1499 bool want_position_change = SHOULD_INVOKE (HOOK_POSITION_CHANGE);
1500
1501 if (want_position_change)
1502 {
1503 int x, y;
1504
1505 if (ev.xconfigure.send_event)
1506 {
1507 x = ev.xconfigure.x;
1508 y = ev.xconfigure.y;
1509 }
1510 else
1511 get_window_origin (x, y);
1512
1513 if (x != parent_x || y != parent_y)
1514 {
1515 parent_x = x;
1516 parent_y = y;
1517 HOOK_INVOKE ((this, HOOK_POSITION_CHANGE, DT_INT, x, DT_INT, y, DT_END));
1518 }
1519 }
1520
1521 if (szHint.width != ev.xconfigure.width || szHint.height != ev.xconfigure.height)
1522 {
1523 seen_resize = 1;
1524 resize_all_windows (ev.xconfigure.width, ev.xconfigure.height, 1);
1525 }
1526
1527 HOOK_INVOKE ((this, HOOK_CONFIGURE_NOTIFY, DT_XEVENT, &ev, DT_END));
1528 }
1529 break;
1530
1531 case PropertyNotify:
1532 HOOK_INVOKE ((this, HOOK_PROPERTY_NOTIFY, DT_XEVENT, &ev, DT_END));
1533 break;
1534
1535 case SelectionClear:
1536 selection_clear (ev.xselectionclear.selection == xa[XA_CLIPBOARD]);
1537 break;
1538
1539 case SelectionRequest:
1540 selection_send (ev.xselectionrequest);
1541 break;
1542
1543 case MapNotify:
1544 mapped = 1;
1545#ifdef TEXT_BLINK
1546 text_blink_ev.start ();
1547#endif
1548 HOOK_INVOKE ((this, HOOK_MAP_NOTIFY, DT_XEVENT, &ev, DT_END));
1549 break;
1550
1551 case UnmapNotify:
1552 mapped = 0;
1553#ifdef TEXT_BLINK
1554 text_blink_ev.stop ();
1555#endif
1556 HOOK_INVOKE ((this, HOOK_UNMAP_NOTIFY, DT_XEVENT, &ev, DT_END));
1557 break;
1558
1559 case GraphicsExpose:
1560 case Expose:
1561 if (ev.xany.window == vt)
1562 {
1563 do
1564 {
1565 scr_expose (ev.xexpose.x, ev.xexpose.y,
1566 ev.xexpose.width, ev.xexpose.height, false);
1567 }
1568 while (XCheckTypedWindowEvent (dpy, vt, ev.xany.type, &ev));
1569
1570 ev.xany.type = ev.xany.type == Expose ? GraphicsExpose : Expose;
1571
1572 while (XCheckTypedWindowEvent (dpy, vt, ev.xany.type, &ev))
1573 {
1574 scr_expose (ev.xexpose.x, ev.xexpose.y,
1575 ev.xexpose.width, ev.xexpose.height, false);
1576 }
1577
1578 want_refresh = 1;
1579 }
1580 else
1581 {
1582 XEvent unused_event;
1583
1584 while (XCheckTypedWindowEvent (dpy, ev.xany.window, Expose, &unused_event))
1585 ;
1586 while (XCheckTypedWindowEvent (dpy, ev.xany.window, GraphicsExpose, &unused_event))
1587 ;
1588
1589 if (scrollBar.state && ev.xany.window == scrollBar.win)
1590 {
1591 scrollBar.state = SB_STATE_IDLE;
1592 scrollBar.show (0);
1593 }
1594 }
1595 break;
1596
1597 case MotionNotify:
1598#ifdef POINTER_BLANK
1599 if (hidden_pointer)
1600 pointer_unblank ();
1601#endif
1602 if (!bypass_keystate
1603 && ((priv_modes & PrivMode_MouseBtnEvent && ev.xbutton.state & (Button1Mask|Button2Mask|Button3Mask))
1604 || priv_modes & PrivMode_MouseAnyEvent))
1605 mouse_report (ev.xbutton);
1606 if ((priv_modes & PrivMode_mouse_report) && !bypass_keystate)
1607 break;
1608
1609 if (ev.xany.window == vt)
1610 {
1611 if (SHOULD_INVOKE (HOOK_MOTION_NOTIFY)
1612 && HOOK_INVOKE ((this, HOOK_MOTION_NOTIFY, DT_XEVENT, &ev, DT_END)))
1613 ; // nop
1614 else if (ev.xbutton.state & (Button1Mask | Button3Mask))
1615 {
1616 while (XCheckTypedWindowEvent (dpy, vt, MotionNotify, &ev))
1617 ;
1618
1619 XQueryPointer (dpy, vt,
1620 &unused_root, &unused_child,
1621 &unused_root_x, &unused_root_y,
1622 &ev.xbutton.x, &ev.xbutton.y,
1623 &ev.xbutton.state);
1624#ifdef MOUSE_THRESHOLD
1625 /* deal with a `jumpy' mouse */
1626 if (ev.xmotion.time - MEvent.time > MOUSE_THRESHOLD)
1627#endif
1628 {
1629#if ISO_14755
1630 // 5.4
1631 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1632 {
1633 iso14755_54 (ev.xbutton.x, ev.xbutton.y);
1634 break;
1635 }
1636#endif
1637 selection_extend (ev.xbutton.x, ev.xbutton.y,
1638 ev.xbutton.state & Button3Mask ? 2 : 0);
1639
1640#ifdef SELECTION_SCROLLING
1641 if (ev.xbutton.y < int_bwidth
1642 || Pixel2Row (ev.xbutton.y) > (nrow-1))
1643 {
1644 page_dirn scroll_selection_dir;
1645 int dist;
1646
1647 /* don't clobber the current delay if we are
1648 * already in the middle of scrolling.
1649 */
1650 if (!sel_scroll_ev.is_active ())
1651 sel_scroll_ev.start (SCROLLBAR_INITIAL_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
1652
1653 /* save the event params so we can highlight
1654 * the selection in the pending-scroll loop
1655 */
1656 selection_save_x = ev.xbutton.x;
1657 selection_save_y = ev.xbutton.y;
1658 selection_save_state = (ev.xbutton.state & Button3Mask) ? 2 : 0;
1659
1660 /* calc number of lines to scroll */
1661 if (ev.xbutton.y < int_bwidth)
1662 {
1663 scroll_selection_dir = UP;
1664 dist = int_bwidth - ev.xbutton.y;
1665 }
1666 else
1667 {
1668 scroll_selection_dir = DN;
1669 dist = ev.xbutton.y - (int_bwidth + vt_height);
1670 }
1671
1672 scroll_selection_lines = Pixel2Height (dist)
1673 / SELECTION_SCROLL_LINE_SPEEDUP
1674 + 1;
1675 min_it (scroll_selection_lines,
1676 SELECTION_SCROLL_MAX_LINES);
1677 scroll_selection_lines *= scroll_selection_dir;
1678 }
1679 else
1680 {
1681 /* we are within the text window, so we
1682 * shouldn't be scrolling
1683 */
1684 sel_scroll_ev.stop();
1685 }
1686#endif
1687 }
1688 }
1689 }
1690 else if (scrollBar.state == SB_STATE_MOTION && ev.xany.window == scrollBar.win)
1691 {
1692 while (XCheckTypedWindowEvent (dpy, scrollBar.win,
1693 MotionNotify, &ev))
1694 ;
1695
1696 XQueryPointer (dpy, scrollBar.win,
1697 &unused_root, &unused_child,
1698 &unused_root_x, &unused_root_y,
1699 &ev.xbutton.x, &ev.xbutton.y,
1700 &unused_mask);
1701 scr_move_to (scrollBar.position (ev.xbutton.y) - csrO,
1702 scrollBar.size ());
1703 want_refresh = 1;
1704 scrollBar.show (1);
1705 }
1706 break;
1707 }
1708
1709#if defined(CURSOR_BLINK)
1710 if (ev.type == KeyPress)
1711 cursor_blink_reset ();
1712#endif
1713
1714#if defined(POINTER_BLANK)
1715 if (option (Opt_pointerBlank) && pointerBlankDelay > 0)
1716 {
1717 if (ev.type == MotionNotify
1718 || ev.type == ButtonPress
1719 || ev.type == ButtonRelease)
1720 if (hidden_pointer)
1721 pointer_unblank ();
1722
1723 if (ev.type == KeyPress && hidden_pointer == 0)
1724 pointer_blank ();
1725 }
1726#endif
1727
1728 refresh_check ();
1729}
1730
1731#if ENABLE_FRILLS
1732void ecb_cold
1733rxvt_term::set_urgency (bool enable)
1734{
1735 if (enable == urgency_hint)
1736 return;
1737
1738 if (XWMHints *h = XGetWMHints (dpy, parent))
1739 {
1740 h->flags = h->flags & ~XUrgencyHint | (enable ? XUrgencyHint : 0);
1741 XSetWMHints (dpy, parent, h);
1742 urgency_hint = enable;
1743 XFree (h);
1744 }
1745}
1746#endif
1747
1748void ecb_cold
1749rxvt_term::focus_in ()
1750{
1751 if (!focus)
1752 {
1753 focus = 1;
1754 want_refresh = 1;
1755
1756#if USE_XIM
1757 if (Input_Context != NULL)
1758 {
1759 im_set_position ();
1760 XSetICFocus (Input_Context);
1761 }
1762#endif
1763#if CURSOR_BLINK
1764 if (option (Opt_cursorBlink))
1765 cursor_blink_ev.again ();
1766#endif
1767#if OFF_FOCUS_FADING
1768 if (rs[Rs_fade])
1769 {
1770 pix_colors = pix_colors_focused;
1771 scr_recolor ();
1772 }
1773#endif
1774#if ENABLE_FRILLS
1775 if (option (Opt_urgentOnBell))
1776 set_urgency (0);
1777
1778 if (priv_modes & PrivMode_FocusEvent)
1779 tt_printf ("\x1b[I");
1780#endif
1781
1782 HOOK_INVOKE ((this, HOOK_FOCUS_IN, DT_END));
1783 }
1784}
1785
1786void ecb_cold
1787rxvt_term::focus_out ()
1788{
1789 if (focus)
1790 {
1791 focus = 0;
1792 want_refresh = 1;
1793
1794#if ENABLE_FRILLS
1795 if (option (Opt_urgentOnBell))
1796 set_urgency (0);
1797
1798 if (priv_modes & PrivMode_FocusEvent)
1799 tt_printf ("\x1b[O");
1800#endif
1801#if ENABLE_FRILLS || ISO_14755
1802 if (iso14755buf)
1803 {
1804 iso14755buf = 0;
1805# if ISO_14755
1806 scr_overlay_off ();
1807# endif
1808 }
1809#endif
1810#if USE_XIM
1811 if (Input_Context != NULL)
1812 XUnsetICFocus (Input_Context);
1813#endif
1814#if CURSOR_BLINK
1815 if (option (Opt_cursorBlink))
1816 cursor_blink_ev.stop ();
1817
1818 hidden_cursor = 0;
1819#endif
1820#if OFF_FOCUS_FADING
1821 if (rs[Rs_fade])
1822 {
1823 pix_colors = pix_colors_unfocused;
1824 scr_recolor ();
1825 }
1826#endif
1827
1828 HOOK_INVOKE ((this, HOOK_FOCUS_OUT, DT_END));
1829 }
1830}
1831
1832void ecb_cold
1833rxvt_term::update_fade_color (unsigned int idx, bool first_time)
1834{
1835#if OFF_FOCUS_FADING
1836 if (rs[Rs_fade])
1837 {
1838 if (!first_time)
1839 pix_colors_focused [idx].free (this);
1840
1841 rgba c;
1842 pix_colors [Color_fade].get (c);
1843 pix_colors_focused [idx].fade (this, atoi (rs[Rs_fade]), pix_colors_unfocused [idx], c);
1844 }
1845#endif
1846}
1847
1848#if ENABLE_PERL
1849void ecb_hot
1850rxvt_term::rootwin_cb (XEvent &ev)
1851{
1852 make_current ();
1853
1854 if (SHOULD_INVOKE (HOOK_ROOT_EVENT)
1855 && HOOK_INVOKE ((this, HOOK_ROOT_EVENT, DT_XEVENT, &ev, DT_END)))
1856 return;
1857
1858 switch (ev.type)
1859 {
1860 case PropertyNotify:
1861 /*
1862 * if user used some Esetroot compatible prog to set the root bg,
1863 * use the property to determine the pixmap. We use it later on.
1864 */
1865 if (ev.xproperty.atom == xa[XA_XROOTPMAP_ID]
1866 || ev.xproperty.atom == xa[XA_ESETROOT_PMAP_ID])
1867 {
1868 HOOK_INVOKE ((this, HOOK_ROOTPMAP_CHANGE, DT_END));
1869 }
1870
1871 break;
1872 }
1873
1874 refresh_check ();
1875}
1876#endif
1877
1878void
1879rxvt_term::button_press (XButtonEvent &ev)
1880{
1881 int reportmode = 0, clickintime;
1882
1883 bypass_keystate = ev.state & (ModMetaMask | ShiftMask);
1884
1885 if (!bypass_keystate)
1886 reportmode = !! (priv_modes & PrivMode_mouse_report);
1887
1888 /*
1889 * VT window processing of button press
1890 */
1891 if (ev.window == vt)
1892 {
1893 if (HOOK_INVOKE ((this, HOOK_BUTTON_PRESS, DT_XEVENT, &ev, DT_END)))
1894 return;
1895
1896#if ISO_14755
1897 // 5.4
1898 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1899 {
1900 iso14755_54 (ev.x, ev.y);
1901 return;
1902 }
1903#endif
1904
1905 clickintime = ev.time - MEvent.time < multiClickTime;
1906
1907 if (reportmode)
1908 {
1909 /* mouse report from vt window */
1910 /* save the xbutton state (for ButtonRelease) */
1911 MEvent.state = ev.state;
1912#ifdef MOUSE_REPORT_DOUBLECLICK
1913 if (ev.button == MEvent.button && clickintime)
824 { 1914 {
825 /* Read a text string from the input buffer */ 1915 /* same button, within allowed time */
826 uint32_t buf[BUFSIZ]; 1916 MEvent.clicks++;
827 bool refreshnow = false;
828 int nlines = 0;
829 uint32_t *str = buf;
830 1917
831 *str++ = ch; 1918 if (MEvent.clicks > 1)
832
833 for (;;)
834 { 1919 {
835 ch = next_char (); 1920 /* only report double clicks */
1921 MEvent.clicks = 2;
1922 mouse_report (ev);
836 1923
837 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r')) 1924 /* don't report the release */
1925 MEvent.clicks = 0;
1926 MEvent.button = AnyButton;
1927 }
1928 }
1929 else
1930 {
1931 /* different button, or time expired */
1932 MEvent.clicks = 1;
1933 MEvent.button = ev.button;
1934 mouse_report (ev);
1935 }
1936#else
1937 MEvent.button = ev.button;
1938 mouse_report (ev);
1939#endif /* MOUSE_REPORT_DOUBLECLICK */
1940
1941 }
1942 else
1943 {
1944 if (ev.button != MEvent.button)
1945 MEvent.clicks = 0;
1946
1947 switch (ev.button)
1948 {
1949 case Button1:
1950 /* allow meta + click to select rectangular areas */
1951 /* should be done in screen.C */
1952#if ENABLE_FRILLS
1953 selection.rect = !!(ev.state & ModMetaMask);
1954#else
1955 selection.rect = false;
1956#endif
1957
1958 /* allow shift+left click to extend selection */
1959 if (ev.state & ShiftMask && !(priv_modes & PrivMode_mouse_report))
1960 {
1961 if (MEvent.button == Button1 && clickintime)
1962 selection_rotate (ev.x, ev.y);
1963 else
1964 selection_extend (ev.x, ev.y, 1);
1965 }
1966 else
1967 {
1968 if (MEvent.button == Button1 && clickintime)
1969 MEvent.clicks++;
1970 else
1971 MEvent.clicks = 1;
1972
1973 selection_click (MEvent.clicks, ev.x, ev.y);
1974 }
1975
1976 MEvent.button = Button1;
1977 break;
1978
1979 case Button3:
1980 if (MEvent.button == Button3 && clickintime)
1981 selection_rotate (ev.x, ev.y);
1982 else
1983 selection_extend (ev.x, ev.y, 1);
1984
1985 MEvent.button = Button3;
1986 break;
1987 }
1988 }
1989
1990 MEvent.time = ev.time;
1991 return;
1992 }
1993
1994 /*
1995 * Scrollbar window processing of button press
1996 */
1997 if (scrollBar.state && ev.window == scrollBar.win)
1998 {
1999 page_dirn direction = NO_DIR;
2000
2001 if (scrollBar.upButton (ev.y))
2002 direction = UP; /* up */
2003 else if (scrollBar.dnButton (ev.y))
2004 direction = DN; /* down */
2005
2006 scrollBar.state = SB_STATE_IDLE;
2007 /*
2008 * Rxvt-style scrollbar:
2009 * move up if mouse is above slider
2010 * move dn if mouse is below slider
2011 *
2012 * XTerm-style scrollbar:
2013 * Move display proportional to pointer location
2014 * pointer near top -> scroll one line
2015 * pointer near bot -> scroll full page
2016 */
2017#ifndef NO_SCROLLBAR_REPORT
2018 if (reportmode)
2019 {
2020 /*
2021 * Mouse report disabled scrollbar:
2022 * arrow buttons - send up/down
2023 * click on scrollbar - send pageup/down
2024 */
2025 if (direction == UP)
2026 tt_printf ("\033[A");
2027 else if (direction == DN)
2028 tt_printf ("\033[B");
2029 else
2030 switch (ev.button)
2031 {
2032 case Button2:
2033 tt_printf ("\014");
838 break; 2034 break;
2035 case Button1:
2036 tt_printf ("\033[6~");
2037 break;
2038 case Button3:
2039 tt_printf ("\033[5~");
2040 break;
2041 }
2042 }
2043 else
2044#endif /* NO_SCROLLBAR_REPORT */
2045 {
2046 if (direction != NO_DIR)
2047 {
2048#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
2049 if (!cont_scroll_ev.is_active ())
2050 cont_scroll_ev.start (SCROLLBAR_INITIAL_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
2051#endif
2052 if (scr_page (direction, 1))
2053 {
2054 if (direction == UP)
2055 scrollBar.state = SB_STATE_UP;
2056 else
2057 scrollBar.state = SB_STATE_DOWN;
2058 }
2059 }
2060 else
2061 switch (ev.button)
2062 {
2063 case Button2:
2064 switch (scrollBar.align)
2065 {
2066 case SB_ALIGN_TOP:
2067 csrO = 0;
2068 break;
2069 case SB_ALIGN_CENTRE:
2070 csrO = (scrollBar.bot - scrollBar.top) / 2;
2071 break;
2072 case SB_ALIGN_BOTTOM:
2073 csrO = scrollBar.bot - scrollBar.top;
2074 break;
2075 }
2076
2077 if (scrollBar.style == SB_STYLE_XTERM
2078 || scrollBar.above_slider (ev.y)
2079 || scrollBar.below_slider (ev.y))
2080 scr_move_to (scrollBar.position (ev.y) - csrO, scrollBar.size ());
2081
2082 scrollBar.state = SB_STATE_MOTION;
2083 break;
2084
2085 case Button1:
2086 if (scrollBar.align == SB_ALIGN_CENTRE)
2087 csrO = ev.y - scrollBar.top;
2088 /* FALLTHROUGH */
2089
2090 case Button3:
2091 if (scrollBar.style != SB_STYLE_XTERM)
2092 {
2093 if (scrollBar.above_slider (ev.y))
2094# ifdef RXVT_SCROLL_FULL
2095 scr_page (UP, nrow - 1);
2096# else
2097 scr_page (UP, nrow / 4);
2098# endif
2099 else if (scrollBar.below_slider (ev.y))
2100# ifdef RXVT_SCROLL_FULL
2101 scr_page (DN, nrow - 1);
2102# else
2103 scr_page (DN, nrow / 4);
2104# endif
2105 else
2106 scrollBar.state = SB_STATE_MOTION;
2107 }
839 else 2108 else
840 { 2109 {
2110 scr_page ((ev.button == Button1 ? DN : UP),
2111 (nrow
2112 * scrollBar.position (ev.y)
2113 / scrollBar.size ()));
2114 }
2115
2116 break;
2117 }
2118 }
2119
2120 return;
2121 }
2122}
2123
2124void
2125rxvt_term::button_release (XButtonEvent &ev)
2126{
2127 int reportmode = 0;
2128
2129 csrO = 0; /* reset csr Offset */
2130 if (!bypass_keystate)
2131 reportmode = !! (priv_modes & PrivMode_mouse_report);
2132
2133 if (scrollBar.state == SB_STATE_UP || scrollBar.state == SB_STATE_DOWN)
2134 {
2135 scrollBar.state = SB_STATE_IDLE;
2136 scrollBar.show (0);
2137 }
2138
2139#ifdef SELECTION_SCROLLING
2140 sel_scroll_ev.stop();
2141#endif
2142
2143 if (ev.window == vt)
2144 {
2145 if (HOOK_INVOKE ((this, HOOK_BUTTON_RELEASE, DT_XEVENT, &ev, DT_END)))
2146 return;
2147
2148#if ISO_14755
2149 // 5.4
2150 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
2151 return;
2152#endif
2153
2154 if (reportmode)
2155 {
2156 /* mouse report from vt window */
2157 /* don't report release of wheel "buttons" */
2158 if (ev.button >= 4 && ev.button <= 7)
2159 return;
2160#ifdef MOUSE_REPORT_DOUBLECLICK
2161 /* only report the release of 'slow' single clicks */
2162 if (MEvent.button != AnyButton
2163 && (ev.button != MEvent.button
2164 || (ev.time - MEvent.time
2165 > multiClickTime / 2)))
2166 {
2167 MEvent.clicks = 0;
2168 MEvent.button = ev.button;
2169 mouse_report (ev);
2170 }
2171#else /* MOUSE_REPORT_DOUBLECLICK */
2172 MEvent.button = ev.button;
2173 mouse_report (ev);
2174#endif /* MOUSE_REPORT_DOUBLECLICK */
2175 return;
2176 }
2177
2178 /*
2179 * dumb hack to compensate for the failure of click-and-drag
2180 * when overriding mouse reporting
2181 */
2182 if (priv_modes & PrivMode_mouse_report
2183 && bypass_keystate
2184 && ev.button == Button1 && MEvent.clicks <= 1)
2185 selection_extend (ev.x, ev.y, 0);
2186
2187 switch (ev.button)
2188 {
2189 case Button1:
2190 case Button3:
2191 selection_make (ev.time);
2192 break;
2193
2194 case Button2:
2195 if (IN_RANGE_EXC (ev.x, 0, vt_width) && IN_RANGE_EXC (ev.y, 0, vt_height)) // inside window?
2196 selection_request (ev.time, ev.state & ModMetaMask ? Sel_Clipboard : Sel_Primary);
2197 break;
2198
2199#ifdef MOUSE_WHEEL
2200 case Button4:
2201 case Button5:
2202 {
2203 int lines;
2204 page_dirn dirn;
2205
2206 dirn = ev.button == Button4 ? UP : DN;
2207
2208 if (ev.state & ShiftMask)
2209 lines = 1;
2210 else if (option (Opt_mouseWheelScrollPage))
2211 lines = nrow - 1;
2212 else
2213 lines = 5;
2214
2215# ifdef MOUSE_SLIP_WHEELING
2216 if (ev.state & ControlMask)
2217 {
2218 mouse_slip_wheel_speed += dirn;
2219 clamp_it (mouse_slip_wheel_speed, -nrow, nrow);
2220
2221 if (!slip_wheel_ev.is_active ())
2222 slip_wheel_ev.start (SCROLLBAR_CONTINUOUS_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
2223 }
2224 else
2225# endif
2226 {
2227 scr_page (dirn, lines);
2228 scrollBar.show (1);
2229 }
2230 }
2231 break;
2232#endif
2233 }
2234 }
2235}
2236
2237/*}}} */
2238
2239void ecb_hot
2240rxvt_term::cmd_parse ()
2241{
2242 wchar_t ch = NOCHAR;
2243 char *seq_begin; // remember start of esc-sequence here
2244
2245 for (;;)
2246 {
2247 if (ecb_unlikely (ch == NOCHAR))
2248 {
2249 seq_begin = cmdbuf_ptr;
2250 ch = next_char ();
2251
2252 if (ch == NOCHAR)
2253 break;
2254 }
2255
2256 if (ecb_likely (!IS_CONTROL (ch) || ch == C0_LF || ch == C0_CR || ch == C0_HT))
2257 {
2258 if (ecb_unlikely (!seen_input))
2259 {
2260 seen_input = 1;
2261 // many badly-written programs (e.g. jed) contain a race condition:
2262 // they first read the screensize and then install a SIGWINCH handler.
2263 // some window managers resize the window early, and these programs
2264 // then sometimes get the size wrong.
2265 // unfortunately other programs are even more buggy and dislike
2266 // being sent SIGWINCH, so only do it when we were in fact being
2267 // resized.
2268 if (seen_resize && cmd_pid)
2269 kill (-cmd_pid, SIGWINCH);
2270 }
2271
2272 /* Read a text string from the input buffer */
2273 wchar_t buf[UBUFSIZ];
2274 bool refreshnow = false;
2275 int nlines = 0;
2276 wchar_t *str = buf;
2277 wchar_t *eol = str + min (ncol, UBUFSIZ);
2278
2279 for (;;)
2280 {
2281 if (ecb_unlikely (ch == NOCHAR || (IS_CONTROL (ch) && ch != C0_LF && ch != C0_CR && ch != C0_HT)))
2282 break;
2283
841 *str++ = ch; 2284 *str++ = ch;
842 2285
2286 if (ecb_unlikely (ch == C0_LF || str >= eol))
2287 {
843 if (ch == '\n') 2288 if (ch == C0_LF)
2289 nlines++;
2290
2291 refresh_count++;
2292
2293 if (!option (Opt_jumpScroll) || refresh_count >= nrow - 1)
2294 {
2295 refresh_count = 0;
2296
2297 if (!option (Opt_skipScroll) || ev_time () > ev::now () + 1. / 60.)
844 { 2298 {
845 nlines++;
846 refresh_count++;
847
848 if (!(Options & Opt_jumpScroll)
849 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
850 {
851 refreshnow = true; 2299 refreshnow = true;
852 ch = NOCHAR; 2300 ch = NOCHAR;
853 break; 2301 break;
854 }
855 } 2302 }
2303 }
856 2304
2305 // scr_add_lines only works for nlines <= nrow - 1.
2306 if (nlines >= nrow - 1)
2307 {
2308 if (!(SHOULD_INVOKE (HOOK_ADD_LINES)
2309 && HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_WCS_LEN, buf, str - buf, DT_END))))
2310 scr_add_lines (buf, str - buf, nlines);
2311
2312 nlines = 0;
2313 str = buf;
2314 eol = str + min (ncol, UBUFSIZ);
2315 }
2316
2317 if (str >= eol)
2318 {
857 if (str >= buf + BUFSIZ) 2319 if (eol >= buf + UBUFSIZ)
858 { 2320 {
859 ch = NOCHAR; 2321 ch = NOCHAR;
860 break; 2322 break;
861 } 2323 }
2324 else
2325 eol = min (eol + ncol, buf + UBUFSIZ);
862 } 2326 }
2327
863 } 2328 }
864 2329
865 rxvt_scr_add_lines (this, buf, nlines, str - buf); 2330 seq_begin = cmdbuf_ptr;
866 2331 ch = next_char ();
867 /*
868 * If there have been a lot of new lines, then update the screen
869 * What the heck I'll cheat and only refresh less than every page-full.
870 * the number of pages between refreshes is refresh_limit, which
871 * is incremented here because we must be doing flat-out scrolling.
872 *
873 * refreshing should be correct for small scrolls, because of the
874 * time-out
875 */
876 if (refreshnow)
877 {
878 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
879 refresh_limit++;
880
881 rxvt_scr_refresh (this, refresh_type);
882 }
883
884 } 2332 }
2333
2334 if (!(SHOULD_INVOKE (HOOK_ADD_LINES)
2335 && HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_WCS_LEN, buf, str - buf, DT_END))))
2336 scr_add_lines (buf, str - buf, nlines);
2337
885 else 2338 /*
2339 * If there have been a lot of new lines, then update the screen
2340 * What the heck we'll cheat and only refresh less than every page-full.
2341 * if skipScroll is enabled.
2342 */
2343 if (refreshnow)
886 { 2344 {
887 switch (ch) 2345 scr_refresh ();
888 { 2346 want_refresh = 1;
889 default:
890 rxvt_process_nonprinting (this, ch);
891 break;
892 case C0_ESC: /* escape char */
893 rxvt_process_escape_seq (this);
894 break;
895 /*case 0x9b: */ /* CSI */
896 /* rxvt_process_csi_seq (this); */
897 }
898
899 ch = NOCHAR;
900 } 2347 }
901 } 2348 }
902 }
903
904 flush ();
905}
906
907void
908rxvt_term::flush ()
909{
910#ifdef TRANSPARENT
911 if (want_full_refresh)
912 {
913 want_full_refresh = 0;
914 rxvt_scr_clear (this);
915 rxvt_scr_touch (this, False);
916 want_refresh = 1;
917 }
918#endif
919
920 if (want_refresh)
921 {
922 rxvt_scr_refresh (this, refresh_type);
923 rxvt_scrollbar_show (this, 1);
924#ifdef USE_XIM
925 rxvt_IMSendSpot (this);
926#endif
927 }
928
929 if (XPending (Xdisplay)) process_x_events ();
930 XFlush (Xdisplay);
931 if (XPending (Xdisplay)) process_x_events ();
932}
933
934/* rxvt_cmd_getc() - Return next input character */
935/*
936 * Return the next input character after first passing any keyboard input
937 * to the command.
938 */
939/* INTPROTO */
940uint32_t
941rxvt_cmd_getc(pR)
942{
943 for (;;)
944 {
945 uint32_t c = R->next_char ();
946 if (c != NOCHAR)
947 return c;
948
949 // incomplete sequences should occur rarely, still, a better solution
950 // would be preferred. either setjmp/longjmp or better design.
951 fcntl (R->cmd_fd, F_SETFL, 0);
952 R->pty_fill ();
953 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
954 }
955
956#if 0
957#define TIMEOUT_USEC 5000
958 fd_set readfds;
959 int quick_timeout, select_res;
960 int want_motion_time, want_keypress_time;
961 struct timeval value;
962#if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
963 struct timeval tp;
964#endif
965
966 for (;;) {
967 /* loop until we can return something */
968
969 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
970 rxvt_tt_write(aR_ NULL, 0);
971
972#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
973 if (R->mouse_slip_wheel_speed) {
974 quick_timeout = 1;
975 if (!R->mouse_slip_wheel_delay--
976 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
977 abs(R->mouse_slip_wheel_speed))) {
978 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
979 R->refresh_type |= SMOOTH_REFRESH;
980 R->want_refresh = 1;
981 }
982 }
983#endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
984#ifdef SELECTION_SCROLLING
985 if (R->pending_scroll_selection) {
986 quick_timeout = 1;
987 if (!R->scroll_selection_delay--
988 && rxvt_scr_page(aR_ R->scroll_selection_dir,
989 R->scroll_selection_lines)) {
990 rxvt_selection_extend(aR_ R->selection_save_x,
991 R->selection_save_y, R->selection_save_state);
992 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
993 R->refresh_type |= SMOOTH_REFRESH;
994 R->want_refresh = 1;
995 }
996 }
997#endif
998#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
999 if (scrollbar_isUp() || scrollbar_isDn()) {
1000 quick_timeout = 1;
1001 if (!R->scroll_arrow_delay--
1002 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1003 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1004 R->refresh_type |= SMOOTH_REFRESH;
1005 R->want_refresh = 1;
1006 }
1007 }
1008#endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1009
1010#ifdef TRANSPARENT
1011 quick_timeout |= R->want_full_refresh;
1012#endif
1013#endif
1014}
1015
1016void
1017rxvt_term::pointer_unblank ()
1018{
1019 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1020 rxvt_recolour_cursor (this);
1021
1022#ifdef POINTER_BLANK
1023 hidden_pointer = 0;
1024
1025 if (Options & Opt_pointerBlank)
1026 pointer_ev.start (NOW + pointerBlankDelay);
1027#endif
1028}
1029
1030#ifdef POINTER_BLANK
1031void
1032rxvt_term::pointer_blank ()
1033{
1034 pointer_ev.stop ();
1035
1036 if (!(Options & Opt_pointerBlank))
1037 return;
1038
1039 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1040 XFlush (Xdisplay);
1041
1042 hidden_pointer = 1;
1043}
1044
1045void
1046rxvt_term::pointer_cb (time_watcher &w)
1047{
1048 pointer_blank ();
1049}
1050#endif
1051
1052/* INTPROTO */
1053void
1054rxvt_mouse_report(pR_ const XButtonEvent *ev)
1055{
1056 int button_number, key_state = 0;
1057 int x, y;
1058
1059 x = ev->x;
1060 y = ev->y;
1061 rxvt_pixel_position(aR_ &x, &y);
1062
1063 if (R->MEvent.button == AnyButton) {
1064 button_number = 3;
1065 } else { 2349 else
1066 button_number = R->MEvent.button - Button1; 2350 {
1067 /* add 0x3D for wheel events, like xterm does */ 2351 try
1068 if (button_number >= 3)
1069 button_number += (64 - 3);
1070 }
1071
1072 if (R->PrivateModes & PrivMode_MouseX10) {
1073 /*
1074 * do not report ButtonRelease
1075 * no state info allowed
1076 */
1077 key_state = 0;
1078 if (button_number == 3)
1079 return;
1080 } else {
1081 /* XTerm mouse reporting needs these values:
1082 * 4 = Shift
1083 * 8 = Meta
1084 * 16 = Control
1085 * plus will add in our own Double-Click reporting
1086 * 32 = Double Click
1087 */
1088 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1089 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1090 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1091#ifdef MOUSE_REPORT_DOUBLECLICK
1092 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1093#endif
1094 }
1095
1096#ifdef DEBUG_MOUSEREPORT
1097 fprintf(stderr, "Mouse [");
1098 if (key_state & 16)
1099 fputc('C', stderr);
1100 if (key_state & 4)
1101 fputc('S', stderr);
1102 if (key_state & 8)
1103 fputc('A', stderr);
1104 if (key_state & 32)
1105 fputc('2', stderr);
1106 fprintf(stderr, "]: <%d>, %d/%d\n",
1107 button_number,
1108 x + 1,
1109 y + 1);
1110#else
1111 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1112 (32 + button_number + key_state),
1113 (32 + x + 1),
1114 (32 + y + 1));
1115#endif
1116}
1117
1118#ifdef USING_W11LIB
1119/* EXTPROTO */
1120void
1121rxvt_W11_process_x_event(XEvent *ev)
1122{
1123 rxvt_t *r = rxvt_get_r();
1124
1125 rxvt_process_x_event(aR_ ev);
1126}
1127#endif
1128
1129/*{{{ process an X event */
1130/* INTPROTO */
1131void
1132rxvt_process_x_event(pR_ XEvent *ev)
1133{
1134 int i, want_timeout;
1135 Window unused_root, unused_child;
1136 int unused_root_x, unused_root_y;
1137 unsigned int unused_mask;
1138 struct timeval tp;
1139
1140#ifdef DEBUG_X
1141 const char *const eventnames[] =
1142 { /* mason - this matches my system */
1143 "",
1144 "",
1145 "KeyPress",
1146 "KeyRelease",
1147 "ButtonPress",
1148 "ButtonRelease",
1149 "MotionNotify",
1150 "EnterNotify",
1151 "LeaveNotify",
1152 "FocusIn",
1153 "FocusOut",
1154 "KeymapNotify",
1155 "Expose",
1156 "GraphicsExpose",
1157 "NoExpose",
1158 "VisibilityNotify",
1159 "CreateNotify",
1160 "DestroyNotify",
1161 "UnmapNotify",
1162 "MapNotify",
1163 "MapRequest",
1164 "ReparentNotify",
1165 "ConfigureNotify",
1166 "ConfigureRequest",
1167 "GravityNotify",
1168 "ResizeRequest",
1169 "CirculateNotify",
1170 "CirculateRequest",
1171 "PropertyNotify",
1172 "SelectionClear",
1173 "SelectionRequest",
1174 "SelectionNotify",
1175 "ColormapNotify",
1176 "ClientMessage",
1177 "MappingNotify"
1178 };
1179 struct tm *ltt;
1180#endif
1181
1182 /*
1183 * check if we need to get the time for any timeouts
1184 */
1185
1186 for (i = NUM_TIMEOUTS; i--; )
1187 if (R->timeout[i].tv_sec) {
1188 want_timeout = 1;
1189 break;
1190 }
1191
1192#ifndef DEBUG_X
1193 if (want_timeout)
1194#endif
1195 (void)gettimeofday(&tp, NULL);
1196
1197#ifdef DEBUG_X
1198 ltt = localtime(&(tp.tv_sec));
1199 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));
1200#endif
1201
1202 /* X event timeouts */
1203 if (want_timeout)
1204 for (i = NUM_TIMEOUTS; i--; ) {
1205 if (R->timeout[i].tv_sec == 0)
1206 continue;
1207 if ((tp.tv_sec < R->timeout[i].tv_sec)
1208 || (tp.tv_sec == R->timeout[i].tv_sec
1209 && tp.tv_usec < R->timeout[i].tv_usec))
1210 continue;
1211 R->timeout[i].tv_sec = 0;
1212 switch(i) {
1213 case TIMEOUT_INCR:
1214 rxvt_print_error("data loss: timeout on INCR selection paste");
1215 R->selection_wait = Sel_none;
1216 break;
1217 default:
1218 break;
1219 }
1220 }
1221
1222 switch (ev->type) {
1223 case KeyPress:
1224 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1225 break;
1226
1227#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1228 case KeyRelease:
1229 {
1230 if (!(ev->xkey.state & ControlMask))
1231 R->mouse_slip_wheel_speed = 0;
1232 else {
1233 KeySym ks;
1234
1235 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1236 if (ks == XK_Control_L || ks == XK_Control_R)
1237 R->mouse_slip_wheel_speed = 0;
1238 }
1239 break;
1240 }
1241#endif
1242
1243 case ButtonPress:
1244 rxvt_button_press(aR_ (XButtonEvent *)ev);
1245 break;
1246
1247 case ButtonRelease:
1248 rxvt_button_release(aR_ (XButtonEvent *)ev);
1249 break;
1250
1251 case ClientMessage:
1252 if (ev->xclient.format == 32
1253 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1254 exit(EXIT_SUCCESS);
1255#ifdef OFFIX_DND
1256 /* OffiX Dnd (drag 'n' drop) protocol */
1257 if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1258 && (ev->xclient.data.l[0] == DndFile
1259 || ev->xclient.data.l[0] == DndDir
1260 || ev->xclient.data.l[0] == DndLink)) {
1261 /* Get Dnd data */
1262 Atom ActualType;
1263 int ActualFormat;
1264 unsigned char *data;
1265 unsigned long Size, RemainingBytes;
1266
1267 XGetWindowProperty(R->Xdisplay, Xroot,
1268 R->xa[XA_DNDSELECTION],
1269 0L, 1000000L,
1270 False, AnyPropertyType,
1271 &ActualType, &ActualFormat,
1272 &Size, &RemainingBytes,
1273 &data);
1274 XChangeProperty(R->Xdisplay, Xroot,
1275 XA_CUT_BUFFER0, XA_STRING,
1276 8, PropModeReplace,
1277 data, STRLEN(data));
1278 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1279 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1280 }
1281#endif /* OFFIX_DND */
1282 break;
1283
1284 case MappingNotify:
1285 XRefreshKeyboardMapping(&(ev->xmapping));
1286 break;
1287
1288 /*
1289 * XXX: this is not the _current_ arrangement
1290 * Here's my conclusion:
1291 * If the window is completely unobscured, use bitblt's
1292 * to scroll. Even then, they're only used when doing partial
1293 * screen scrolling. When partially obscured, we have to fill
1294 * in the GraphicsExpose parts, which means that after each refresh,
1295 * we need to wait for the graphics expose or Noexpose events,
1296 * which ought to make things real slow!
1297 */
1298 case VisibilityNotify:
1299 switch (ev->xvisibility.state)
1300 { 2352 {
1301 case VisibilityUnobscured: 2353 process_nonprinting (ch);
1302 R->refresh_type = FAST_REFRESH; 2354 }
2355 catch (const class out_of_input &o)
2356 {
2357 // we ran out of input, retry later
2358 cmdbuf_ptr = seq_begin;
1303 break; 2359 break;
1304 case VisibilityPartiallyObscured:
1305 R->refresh_type = SLOW_REFRESH;
1306 break;
1307 default:
1308 R->refresh_type = NO_REFRESH;
1309 break;
1310 } 2360 }
1311 break;
1312 2361
1313 case FocusIn: 2362 ch = NOCHAR;
1314 if (!R->TermWin.focus) { 2363 }
1315 R->TermWin.focus = 1;
1316 R->want_refresh = 1;
1317#ifdef USE_XIM
1318 if (R->Input_Context != NULL)
1319 XSetICFocus(R->Input_Context);
1320#endif
1321#ifdef CURSOR_BLINK
1322 if (R->Options & Opt_cursorBlink)
1323 R->blink_ev.start (NOW + BLINK_INTERVAL);
1324#endif
1325 }
1326 break;
1327
1328 case FocusOut:
1329 if (R->TermWin.focus) {
1330 R->TermWin.focus = 0;
1331 R->want_refresh = 1;
1332#ifdef USE_XIM
1333 if (R->Input_Context != NULL)
1334 XUnsetICFocus(R->Input_Context);
1335#endif
1336#ifdef CURSOR_BLINK
1337 if (R->Options & Opt_cursorBlink)
1338 R->blink_ev.stop ();
1339 R->hidden_cursor = 0;
1340#endif
1341 }
1342 break;
1343
1344 case ConfigureNotify:
1345 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1346 int height, width;
1347
1348 do { /* Wrap lots of configures into one */
1349 width = ev->xconfigure.width;
1350 height = ev->xconfigure.height;
1351 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1352 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1353 ConfigureNotify, ev));
1354 if (R->szHint.width != width || R->szHint.height != height) {
1355 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1356 rxvt_resize_all_windows(aR_ (unsigned int)width,
1357 (unsigned int)height, 1);
1358 } 2364 }
1359#ifdef DEBUG_SIZE 2365}
1360 else { 2366
1361 D_SIZE((stderr, "Size: Not resizing")); 2367// read the next character
2368wchar_t ecb_hot
2369rxvt_term::next_char () noexcept
2370{
2371 while (cmdbuf_ptr < cmdbuf_endp)
2372 {
2373 // assume 7-bit to be ascii ALWAYS (always true in POSIX)
2374 if (ecb_likely ((unsigned char)*cmdbuf_ptr <= 0x7f))
2375 return *cmdbuf_ptr++;
2376
2377 wchar_t wc;
2378 size_t len = mbrtowc (&wc, cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, mbstate);
2379
2380 if (len == (size_t)-2)
2381 {
2382 // the mbstate stores incomplete sequences. didn't know this :/
2383 cmdbuf_ptr = cmdbuf_endp;
2384 break;
2385 }
2386
2387 if (len == (size_t)-1)
2388 {
2389 mbstate.reset (); // reset now undefined conversion state
2390 // a -1 might indicate that a previous incomplete char is invalid (previous return -2)
2391 // in which case we "erroneously" return the next byte which might be valid.
2392 return (unsigned char)*cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
2393 }
2394
2395 // assume wchar == unicode
2396 cmdbuf_ptr += len;
2397 return wc & UNICODE_MASK;
1362 } 2398 }
1363#endif
1364#ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1365 if (R->Options & Opt_transparent) {
1366 rxvt_check_our_parents(aR);
1367 if (R->am_transparent)
1368 R->want_full_refresh = 1;
1369 }
1370#endif
1371 }
1372 break;
1373 2399
1374 case SelectionClear: 2400 return NOCHAR;
1375 rxvt_selection_clear(aR);
1376 break;
1377
1378 case SelectionNotify:
1379 if (R->selection_wait == Sel_normal)
1380 rxvt_selection_paste(aR_ ev->xselection.requestor,
1381 ev->xselection.property, True);
1382 break;
1383
1384 case SelectionRequest:
1385 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1386 break;
1387
1388 case UnmapNotify:
1389 R->TermWin.mapped = 0;
1390 break;
1391
1392 case MapNotify:
1393 R->TermWin.mapped = 1;
1394 break;
1395
1396 case PropertyNotify:
1397 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1398 if (ev->xproperty.state == PropertyNewValue)
1399 rxvt_selection_property(aR_ ev->xproperty.window,
1400 ev->xproperty.atom);
1401 break;
1402 }
1403#ifdef TRANSPARENT
1404 /*
1405 * if user used some Esetroot compatible prog to set the root bg,
1406 * use the property to determine the pixmap. We use it later on.
1407 */
1408 if (R->xa[XA_XROOTPMAPID] == 0)
1409 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1410 "_XROOTPMAP_ID", False);
1411 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1412 break;
1413 /* FALLTHROUGH */
1414 case ReparentNotify:
1415 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1416 if (R->am_transparent)
1417 R->want_full_refresh = 1;
1418 }
1419#endif /* TRANSPARENT */
1420 break;
1421
1422 case GraphicsExpose:
1423 case Expose:
1424 if (ev->xany.window == R->TermWin.vt) {
1425#ifdef NO_SLOW_LINK_SUPPORT
1426 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1427 ev->xexpose.width, ev->xexpose.height, False);
1428#else
1429 // don't understand this, so commented it out
1430 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1431 ev->xexpose.width, ev->xexpose.height, False);
1432 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1433 // ev->xexpose.width, R->TermWin.height, False);
1434#endif
1435 R->want_refresh = 1;
1436 } else {
1437 XEvent unused_xevent;
1438
1439 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1440 Expose,
1441 &unused_xevent)) ;
1442 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1443 GraphicsExpose,
1444 &unused_xevent)) ;
1445 if (isScrollbarWindow(ev->xany.window)) {
1446 scrollbar_setIdle();
1447 rxvt_scrollbar_show(aR_ 0);
1448 }
1449#ifdef MENUBAR
1450 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1451 rxvt_menubar_expose(aR);
1452#endif
1453#ifdef RXVT_GRAPHICS
1454 rxvt_Gr_expose(aR_ ev->xany.window);
1455#endif
1456 }
1457 break;
1458
1459 case MotionNotify:
1460#ifdef POINTER_BLANK
1461 if (R->hidden_pointer)
1462 R->pointer_unblank ();
1463#endif
1464#if MENUBAR
1465 if (isMenuBarWindow(ev->xany.window)) {
1466 rxvt_menubar_control(aR_ &(ev->xbutton));
1467 break;
1468 }
1469#endif
1470 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1471 break;
1472
1473 if (ev->xany.window == R->TermWin.vt) {
1474 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1475 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1476 MotionNotify, ev)) ;
1477 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1478 &unused_root, &unused_child,
1479 &unused_root_x, &unused_root_y,
1480 &(ev->xbutton.x), &(ev->xbutton.y),
1481 &unused_mask);
1482#ifdef MOUSE_THRESHOLD
1483 /* deal with a `jumpy' mouse */
1484 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1485#endif
1486 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1487 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1488#ifdef SELECTION_SCROLLING
1489 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1490 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1491 int dist;
1492
1493 R->pending_scroll_selection=1;
1494
1495 /* don't clobber the current delay if we are
1496 * already in the middle of scrolling.
1497 */
1498 if (R->scroll_selection_delay<=0)
1499 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1500
1501 /* save the event params so we can highlight
1502 * the selection in the pending-scroll loop
1503 */
1504 R->selection_save_x=ev->xbutton.x;
1505 R->selection_save_y=ev->xbutton.y;
1506 R->selection_save_state=
1507 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1508
1509 /* calc number of lines to scroll */
1510 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1511 R->scroll_selection_dir = UP;
1512 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1513 }
1514 else {
1515 R->scroll_selection_dir = DN;
1516 dist = ev->xbutton.y -
1517 (R->TermWin.int_bwidth + R->TermWin.height);
1518 }
1519 R->scroll_selection_lines=(Pixel2Height(dist)/
1520 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1521 MIN_IT(R->scroll_selection_lines,
1522 SELECTION_SCROLL_MAX_LINES);
1523 }
1524 else {
1525 /* we are within the text window, so we
1526 * shouldn't be scrolling
1527 */
1528 R->pending_scroll_selection = 0;
1529 }
1530#endif
1531#ifdef MOUSE_THRESHOLD
1532 }
1533#endif
1534 }
1535 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1536 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1537 MotionNotify, ev)) ;
1538 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1539 &unused_root, &unused_child,
1540 &unused_root_x, &unused_root_y,
1541 &(ev->xbutton.x), &(ev->xbutton.y),
1542 &unused_mask);
1543 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1544 scrollbar_size());
1545 rxvt_scr_refresh(aR_ R->refresh_type);
1546 R->refresh_limit = 0;
1547 rxvt_scrollbar_show(aR_ 1);
1548 }
1549 break;
1550 }
1551} 2401}
1552 2402
1553/* INTPROTO */ 2403// read the next octet
1554void 2404uint32_t ecb_hot
1555rxvt_button_press(pR_ XButtonEvent *ev) 2405rxvt_term::next_octet () noexcept
1556{ 2406{
1557 int reportmode = 0, clickintime; 2407 return cmdbuf_ptr < cmdbuf_endp
2408 ? (unsigned char)*cmdbuf_ptr++
2409 : NOCHAR;
2410}
1558 2411
1559 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask); 2412static class out_of_input out_of_input;
1560 if (!R->bypass_keystate)
1561 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1562/*
1563 * VT window processing of button press
1564 */
1565 if (ev->window == R->TermWin.vt)
1566 {
1567#if RXVT_GRAPHICS
1568 if (ev->subwindow != None)
1569 rxvt_Gr_ButtonPress(ev->x, ev->y);
1570 else
1571#endif
1572 {
1573 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1574 if (reportmode)
1575 {
1576 /* mouse report from vt window */
1577 /* save the xbutton state (for ButtonRelease) */
1578 R->MEvent.state = ev->state;
1579#ifdef MOUSE_REPORT_DOUBLECLICK
1580 if (ev->button == R->MEvent.button && clickintime)
1581 {
1582 /* same button, within alloted time */
1583 R->MEvent.clicks++;
1584 if (R->MEvent.clicks > 1)
1585 {
1586 /* only report double clicks */
1587 R->MEvent.clicks = 2;
1588 rxvt_mouse_report(aR_ ev);
1589 2413
1590 /* don't report the release */ 2414wchar_t ecb_hot
1591 R->MEvent.clicks = 0; 2415rxvt_term::cmd_getc ()
1592 R->MEvent.button = AnyButton; 2416{
1593 } 2417 wchar_t c = next_char ();
1594 }
1595 else
1596 {
1597 /* different button, or time expired */
1598 R->MEvent.clicks = 1;
1599 R->MEvent.button = ev->button;
1600 rxvt_mouse_report(aR_ ev);
1601 }
1602#else
1603 R->MEvent.button = ev->button;
1604 rxvt_mouse_report(aR_ ev);
1605#endif /* MOUSE_REPORT_DOUBLECLICK */
1606 }
1607 else
1608 {
1609 if (ev->button != R->MEvent.button)
1610 R->MEvent.clicks = 0;
1611 switch (ev->button)
1612 {
1613 case Button1:
1614 if (R->MEvent.button == Button1 && clickintime)
1615 R->MEvent.clicks++;
1616 else
1617 R->MEvent.clicks = 1;
1618 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1619 R->MEvent.button = Button1;
1620 break;
1621 2418
1622 case Button3: 2419 if (c == NOCHAR)
1623 if (R->MEvent.button == Button3 && clickintime) 2420 throw out_of_input;
1624 rxvt_selection_rotate(aR_ ev->x, ev->y); 2421
1625 else
1626 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1627 R->MEvent.button = Button3;
1628 break;
1629 }
1630 }
1631 R->MEvent.time = ev->time;
1632 return; 2422 return c;
1633 }
1634 }
1635
1636/*
1637 * Scrollbar window processing of button press
1638 */
1639 if (isScrollbarWindow(ev->window))
1640 {
1641 scrollbar_setIdle();
1642 /*
1643 * Rxvt-style scrollbar:
1644 * move up if mouse is above slider
1645 * move dn if mouse is below slider
1646 *
1647 * XTerm-style scrollbar:
1648 * Move display proportional to pointer location
1649 * pointer near top -> scroll one line
1650 * pointer near bot -> scroll full page
1651 */
1652#ifndef NO_SCROLLBAR_REPORT
1653 if (reportmode) {
1654 /*
1655 * Mouse report disabled scrollbar:
1656 * arrow buttons - send up/down
1657 * click on scrollbar - send pageup/down
1658 */
1659 if ((R->scrollBar.style == R_SB_NEXT
1660 && scrollbarnext_upButton(ev->y))
1661 || (R->scrollBar.style == R_SB_RXVT
1662 && scrollbarrxvt_upButton(ev->y)))
1663 rxvt_tt_printf(aR_ "\033[A");
1664 else if ((R->scrollBar.style == R_SB_NEXT
1665 && scrollbarnext_dnButton(ev->y))
1666 || (R->scrollBar.style == R_SB_RXVT
1667 && scrollbarrxvt_dnButton(ev->y)))
1668 rxvt_tt_printf(aR_ "\033[B");
1669 else
1670 switch (ev->button) {
1671 case Button2:
1672 rxvt_tt_printf(aR_ "\014");
1673 break;
1674 case Button1:
1675 rxvt_tt_printf(aR_ "\033[6~");
1676 break;
1677 case Button3:
1678 rxvt_tt_printf(aR_ "\033[5~");
1679 break;
1680 }
1681 }
1682 else
1683#endif /* NO_SCROLLBAR_REPORT */
1684 {
1685 char upordown = 0;
1686
1687 if (R->scrollBar.style == R_SB_NEXT) {
1688 if (scrollbarnext_upButton(ev->y))
1689 upordown = -1; /* up */
1690 else if (scrollbarnext_dnButton(ev->y))
1691 upordown = 1; /* down */
1692 } else if (R->scrollBar.style == R_SB_RXVT) {
1693 if (scrollbarrxvt_upButton(ev->y))
1694 upordown = -1; /* up */
1695 else if (scrollbarrxvt_dnButton(ev->y))
1696 upordown = 1; /* down */
1697 }
1698 if (upordown) {
1699#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1700 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1701#endif
1702 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1703 if (upordown < 0)
1704 scrollbar_setUp();
1705 else
1706 scrollbar_setDn();
1707 }
1708 } else
1709 switch (ev->button) {
1710 case Button2:
1711 switch (R->scrollbar_align) {
1712 case R_SB_ALIGN_TOP:
1713 R->csrO = 0;
1714 break;
1715 case R_SB_ALIGN_CENTRE:
1716 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1717 break;
1718 case R_SB_ALIGN_BOTTOM:
1719 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1720 break;
1721 }
1722 if (R->scrollBar.style == R_SB_XTERM
1723 || scrollbar_above_slider(ev->y)
1724 || scrollbar_below_slider(ev->y))
1725 rxvt_scr_move_to(aR_
1726 scrollbar_position(ev->y) - R->csrO,
1727 scrollbar_size());
1728 scrollbar_setMotion();
1729 break;
1730
1731 case Button1:
1732 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1733 R->csrO = ev->y - R->scrollBar.top;
1734 /* FALLTHROUGH */
1735
1736 case Button3:
1737 if (R->scrollBar.style != R_SB_XTERM) {
1738 if (scrollbar_above_slider(ev->y))
1739# ifdef RXVT_SCROLL_FULL
1740 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1741# else
1742 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1743# endif
1744 else if (scrollbar_below_slider(ev->y))
1745# ifdef RXVT_SCROLL_FULL
1746 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1747# else
1748 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1749# endif
1750 else
1751 scrollbar_setMotion();
1752 } else {
1753 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1754 (R->TermWin.nrow
1755 * scrollbar_position(ev->y)
1756 / scrollbar_size()));
1757 }
1758 break;
1759 }
1760 }
1761 return;
1762 }
1763#if MENUBAR
1764 /*
1765 * Menubar window processing of button press
1766 */
1767 if (isMenuBarWindow(ev->window))
1768 rxvt_menubar_control(aR_ ev);
1769#endif
1770} 2423}
1771 2424
1772/* INTPROTO */ 2425uint32_t ecb_hot
1773void 2426rxvt_term::cmd_get8 ()
1774rxvt_button_release(pR_ XButtonEvent *ev)
1775{ 2427{
1776 int reportmode = 0; 2428 uint32_t c = next_octet ();
1777 2429
1778 R->csrO = 0; /* reset csr Offset */ 2430 if (c == NOCHAR)
1779 if (!R->bypass_keystate) 2431 throw out_of_input;
1780 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1781 2432
1782 if (scrollbar_isUpDn()) {
1783 scrollbar_setIdle();
1784 rxvt_scrollbar_show(aR_ 0);
1785#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1786 R->refresh_type &= ~SMOOTH_REFRESH;
1787#endif
1788 }
1789#ifdef SELECTION_SCROLLING
1790 R->pending_scroll_selection=0;
1791#endif
1792 if (ev->window == R->TermWin.vt)
1793 {
1794#ifdef RXVT_GRAPHICS
1795 if (ev->subwindow != None)
1796 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1797 else
1798#endif
1799 {
1800 if (reportmode)
1801 {
1802 /* mouse report from vt window */
1803 /* don't report release of wheel "buttons" */
1804 if (ev->button >= 4)
1805 return; 2433 return c;
1806#ifdef MOUSE_REPORT_DOUBLECLICK
1807 /* only report the release of 'slow' single clicks */
1808 if (R->MEvent.button != AnyButton
1809 && (ev->button != R->MEvent.button
1810 || (ev->time - R->MEvent.time
1811 > MULTICLICK_TIME / 2)))
1812 {
1813 R->MEvent.clicks = 0;
1814 R->MEvent.button = AnyButton;
1815 rxvt_mouse_report(aR_ ev);
1816 }
1817#else /* MOUSE_REPORT_DOUBLECLICK */
1818 R->MEvent.button = AnyButton;
1819 rxvt_mouse_report(aR_ ev);
1820#endif /* MOUSE_REPORT_DOUBLECLICK */
1821 return;
1822 }
1823 /*
1824 * dumb hack to compensate for the failure of click-and-drag
1825 * when overriding mouse reporting
1826 */
1827 if (R->PrivateModes & PrivMode_mouse_report
1828 && R->bypass_keystate
1829 && ev->button == Button1 && R->MEvent.clicks <= 1)
1830 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1831
1832 switch (ev->button) {
1833 case Button1:
1834 case Button3:
1835 rxvt_selection_make(aR_ ev->time);
1836 break;
1837 case Button2:
1838 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1839 break;
1840#ifdef MOUSE_WHEEL
1841 case Button4:
1842 case Button5:
1843 {
1844 int i, v;
1845
1846 v = (ev->button == Button4) ? UP : DN;
1847 if (ev->state & ShiftMask)
1848 i = 1;
1849 else if ((R->Options & Opt_mouseWheelScrollPage))
1850 i = R->TermWin.nrow - 1;
1851 else
1852 i = 5;
1853# ifdef MOUSE_SLIP_WHEELING
1854 if (ev->state & ControlMask)
1855 {
1856 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1857 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1858 }
1859# endif
1860# ifdef JUMP_MOUSE_WHEEL
1861 rxvt_scr_page(aR_ v, i);
1862 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1863 rxvt_scrollbar_show(aR_ 1);
1864# else
1865 for (; i--;)
1866 {
1867 rxvt_scr_page(aR_ v, 1);
1868 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1869 rxvt_scrollbar_show(aR_ 1);
1870 }
1871# endif
1872 }
1873 break;
1874#endif
1875 }
1876 }
1877 }
1878#ifdef MENUBAR
1879 else if (isMenuBarWindow(ev->window))
1880 rxvt_menubar_control(aR_ ev);
1881#endif
1882} 2434}
1883
1884
1885#ifdef TRANSPARENT
1886/*
1887 * Check our parents are still who we think they are.
1888 * Do transparency updates if required
1889 */
1890/* EXTPROTO */
1891int
1892rxvt_check_our_parents(pR)
1893{
1894 int i, pchanged, aformat, have_pixmap, rootdepth;
1895 unsigned long nitems, bytes_after;
1896 Atom atype;
1897 unsigned char *prop = NULL;
1898 Window root, oldp, *list;
1899 Pixmap rootpixmap = None;
1900 XWindowAttributes wattr, wrootattr;
1901
1902 pchanged = 0;
1903
1904 if (!(R->Options & Opt_transparent))
1905 return pchanged; /* Don't try any more */
1906
1907 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1908 rootdepth = wrootattr.depth;
1909
1910 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1911 if (rootdepth != wattr.depth) {
1912 if (R->am_transparent) {
1913 pchanged = 1;
1914 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1915 R->PixColors[Color_bg]);
1916 R->am_transparent = R->am_pixmap_trans = 0;
1917 }
1918 return pchanged; /* Don't try any more */
1919 }
1920
1921/* Get all X ops out of the queue so that our information is up-to-date. */
1922 XSync(R->Xdisplay, False);
1923
1924/*
1925 * Make the frame window set by the window manager have
1926 * the root background. Some window managers put multiple nested frame
1927 * windows for each client, so we have to take care about that.
1928 */
1929 i = (R->xa[XA_XROOTPMAPID] != 0
1930 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1931 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1932 &nitems, &bytes_after, &prop) == Success));
1933 if (!i || prop == NULL)
1934 have_pixmap = 0;
1935 else {
1936 have_pixmap = 1;
1937 rootpixmap = *((Pixmap *)prop);
1938 XFree(prop);
1939 }
1940 if (have_pixmap) {
1941/*
1942 * Copy Xroot pixmap transparency
1943 */
1944 int sx, sy, nx, ny;
1945 unsigned int nw, nh;
1946 Window cr;
1947 XImage *image;
1948 GC gc;
1949 XGCValues gcvalue;
1950
1951 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1952 0, 0, &sx, &sy, &cr);
1953 nw = (unsigned int)R->szHint.width;
1954 nh = (unsigned int)R->szHint.height;
1955 nx = ny = 0;
1956 if (sx < 0) {
1957 nw += sx;
1958 nx = -sx;
1959 sx = 0;
1960 }
1961 if (sy < 0) {
1962 nh += sy;
1963 ny = -sy;
1964 sy = 0;
1965 }
1966 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1967 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1968 R->allowedxerror = -1;
1969 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1970 ZPixmap);
1971 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1972 /* XXX: may need a delay here? */
1973 R->allowedxerror = 0;
1974 if (image == NULL) {
1975 if (R->am_transparent && R->am_pixmap_trans) {
1976 pchanged = 1;
1977 if (R->TermWin.pixmap != None) {
1978 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1979 R->TermWin.pixmap = None;
1980 }
1981 }
1982 R->am_pixmap_trans = 0;
1983 } else {
1984 if (R->TermWin.pixmap != None)
1985 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1986 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1987 (unsigned int)R->szHint.width,
1988 (unsigned int)R->szHint.height,
1989 (unsigned int)image->depth);
1990 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1991 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1992 nx, ny, (unsigned int)image->width,
1993 (unsigned int)image->height);
1994 XFreeGC(R->Xdisplay, gc);
1995 XDestroyImage(image);
1996 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1997 R->TermWin.pixmap);
1998 if (!R->am_transparent || !R->am_pixmap_trans)
1999 pchanged = 1;
2000 R->am_transparent = R->am_pixmap_trans = 1;
2001 }
2002 }
2003 if (!R->am_pixmap_trans) {
2004 unsigned int n;
2005/*
2006 * InheritPixmap transparency
2007 */
2008 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2009 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2010 i++) {
2011 oldp = R->TermWin.parent[i];
2012 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2013 &R->TermWin.parent[i], &list, &n);
2014 XFree(list);
2015 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2016 if (R->TermWin.parent[i] == Xroot) {
2017 if (oldp != None)
2018 pchanged = 1;
2019 break;
2020 }
2021 if (oldp != R->TermWin.parent[i])
2022 pchanged = 1;
2023 }
2024 n = 0;
2025 if (pchanged) {
2026 for (; n < (unsigned int)i; n++) {
2027 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2028 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2029 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2030 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2031 break;
2032 }
2033 }
2034 }
2035 if (n > (int)(sizeof(R->TermWin.parent)
2036 / sizeof(R->TermWin.parent[0]))) {
2037 D_X((stderr, "InheritPixmap Turning off"));
2038 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2039 R->PixColors[Color_fg]);
2040 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2041 R->PixColors[Color_bg]);
2042 R->am_transparent = 0;
2043 /* XXX: also turn off Opt_transparent? */
2044 } else {
2045 /* wait (an arbitrary period) for the WM to do its thing
2046 * needed for fvwm2.2.2 (and before?) */
2047# ifdef HAVE_NANOSLEEP
2048 struct timespec rqt;
2049
2050 rqt.tv_sec = 1;
2051 rqt.tv_nsec = 0;
2052 nanosleep(&rqt, NULL);
2053# else
2054 sleep(1);
2055# endif
2056 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2057 for (n = 0; n < (unsigned int)i; n++)
2058 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2059 ParentRelative);
2060 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2061 ParentRelative);
2062 R->am_transparent = 1;
2063 }
2064 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2065 R->TermWin.parent[i] = None;
2066 }
2067 return pchanged;
2068}
2069#endif
2070
2071/*}}} */
2072 2435
2073/*{{{ print pipe */ 2436/*{{{ print pipe */
2074/*----------------------------------------------------------------------*/ 2437/*----------------------------------------------------------------------*/
2075#ifdef PRINTPIPE 2438#ifdef PRINTPIPE
2076/* EXTPROTO */ 2439FILE * ecb_cold
2077FILE *
2078rxvt_popen_printer(pR) 2440rxvt_term::popen_printer ()
2079{ 2441{
2080 FILE *stream = popen(R->rs[Rs_print_pipe], "w"); 2442 FILE *stream = popen (rs[Rs_print_pipe] ? rs[Rs_print_pipe] : PRINTPIPE, "w");
2081 2443
2082 if (stream == NULL) 2444 if (stream == NULL)
2083 rxvt_print_error("can't open printer pipe"); 2445 rxvt_warn ("can't open printer pipe, not printing.\n");
2446
2084 return stream; 2447 return stream;
2085} 2448}
2086 2449
2087/* EXTPROTO */ 2450int ecb_cold
2088int
2089rxvt_pclose_printer(FILE *stream) 2451rxvt_term::pclose_printer (FILE *stream)
2090{ 2452{
2091 fflush(stream); 2453 fflush (stream);
2092/* pclose() reported not to work on SunOS 4.1.3 */
2093# if defined (__sun__) /* TODO: RESOLVE THIS */
2094/* pclose works provided SIGCHLD handler uses waitpid */
2095 return pclose(stream); /* return fclose (stream); */
2096# else
2097 return pclose(stream); 2454 return pclose (stream);
2098# endif
2099} 2455}
2100 2456
2101/* 2457/*
2102 * simulate attached vt100 printer 2458 * simulate attached vt100 printer
2103 */ 2459 */
2104/* INTPROTO */ 2460void ecb_cold
2105void
2106rxvt_process_print_pipe(pR) 2461rxvt_term::process_print_pipe ()
2107{ 2462{
2108 int done; 2463 FILE *fd = popen_printer ();
2109 FILE *fd;
2110 2464
2111 if ((fd = rxvt_popen_printer(aR)) == NULL) 2465 if (!fd)
2112 return; 2466 return;
2113 2467
2114/* 2468 /*
2115 * Send all input to the printer until either ESC[4i or ESC[?4i 2469 * Send all input to the printer until either ESC[4i or ESC[?4i
2116 * is received. 2470 * is received.
2117 */ 2471 */
2118 for (done = 0; !done;) { 2472 for (int done = 0; !done; )
2473 {
2119 unsigned char buf[8]; 2474 unsigned char buf[8];
2120 unsigned char ch; 2475 unicode_t ch;
2121 unsigned int i, len; 2476 unsigned int i, len;
2122 2477
2123 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) { 2478 if ((ch = cmd_getc ()) != C0_ESC)
2479 {
2124 if (putc(ch, fd) == EOF) 2480 if (putc (ch, fd) == EOF)
2125 break; /* done = 1 */ 2481 break; /* done = 1 */
2126 } else { 2482 }
2483 else
2484 {
2127 len = 0; 2485 len = 0;
2128 buf[len++] = ch; 2486 buf[len++] = ch;
2129 2487
2130 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') { 2488 if ((buf[len++] = cmd_getc ()) == '[')
2131 if ((ch = rxvt_cmd_getc(aR)) == '?') { 2489 {
2132 buf[len++] = '?'; 2490 if ((ch = cmd_getc ()) == '?')
2133 ch = rxvt_cmd_getc(aR); 2491 {
2134 } 2492 buf[len++] = '?';
2493 ch = cmd_getc ();
2494 }
2135 if ((buf[len++] = ch) == '4') { 2495 if ((buf[len++] = ch) == '4')
2496 {
2136 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i') 2497 if ((buf[len++] = cmd_getc ()) == 'i')
2137 break; /* done = 1 */ 2498 break; /* done = 1 */
2138 } 2499 }
2500 }
2501
2502 for (i = 0; i < len; i++)
2503 if (putc (buf[i], fd) == EOF)
2504 {
2505 done = 1;
2506 break;
2507 }
2508 }
2139 } 2509 }
2140 for (i = 0; i < len; i++) 2510
2141 if (putc(buf[i], fd) == EOF) {
2142 done = 1;
2143 break;
2144 }
2145 }
2146 }
2147 rxvt_pclose_printer(fd); 2511 pclose_printer (fd);
2148} 2512}
2149#endif /* PRINTPIPE */ 2513#endif /* PRINTPIPE */
2150/*}}} */ 2514/*}}} */
2151 2515
2152/* *INDENT-OFF* */
2153enum { 2516enum {
2154 C1_40 = 0x40, 2517 C1_40 = 0x40,
2155 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA, 2518 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2156 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3, 2519 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2157 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA, 2520 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2158 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC 2521 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC,
2159}; 2522};
2160/* *INDENT-ON* */
2161 2523
2162/*{{{ process non-printing single characters */ 2524/*{{{ process non-printing single characters */
2163/* INTPROTO */ 2525void ecb_hot
2164void 2526rxvt_term::process_nonprinting (unicode_t ch)
2165rxvt_process_nonprinting(pR_ unsigned char ch)
2166{ 2527{
2167 switch (ch) { 2528 switch (ch)
2529 {
2530 case C0_ESC:
2531 process_escape_seq ();
2532 break;
2168 case C0_ENQ: /* terminal Status */ 2533 case C0_ENQ: /* terminal Status */
2169 if (R->rs[Rs_answerbackstring]) 2534 if (rs[Rs_answerbackstring])
2170 rxvt_tt_write(aR_ 2535 tt_write (rs [Rs_answerbackstring], strlen (rs [Rs_answerbackstring]));
2171 (const unsigned char *)R->rs[Rs_answerbackstring], 2536 else
2172 (unsigned int)STRLEN(R->rs[Rs_answerbackstring])); 2537 tt_write (VT100_ANS, strlen (VT100_ANS));
2173 else 2538 break;
2174 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2175 (unsigned int)STRLEN(VT100_ANS));
2176 break;
2177 case C0_BEL: /* bell */ 2539 case C0_BEL: /* bell */
2178 rxvt_scr_bell(aR); 2540 scr_bell ();
2179 break; 2541 break;
2180 case C0_BS: /* backspace */ 2542 case C0_BS: /* backspace */
2181 rxvt_scr_backspace(aR); 2543 scr_backspace ();
2182 break; 2544 break;
2183 case C0_HT: /* tab */ 2545 case C0_HT: /* tab */
2184 rxvt_scr_tab(aR_ 1); 2546 scr_tab (1);
2185 break; 2547 break;
2186 case C0_CR: /* carriage return */ 2548 case C0_CR: /* carriage return */
2187 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 2549 scr_gotorc (0, 0, R_RELATIVE);
2188 break; 2550 break;
2189 case C0_VT: /* vertical tab, form feed */ 2551 case C0_VT: /* vertical tab, form feed */
2190 case C0_FF: 2552 case C0_FF:
2191 case C0_LF: /* line feed */ 2553 case C0_LF: /* line feed */
2192 rxvt_scr_index(aR_ UP); 2554 scr_index (UP);
2193 break; 2555 break;
2194 case C0_SO: /* shift out - acs */ 2556 case C0_SO: /* shift out - acs */
2195 rxvt_scr_charset_choose(aR_ 1); 2557 scr_charset_choose (1);
2196 break; 2558 break;
2197 case C0_SI: /* shift in - acs */ 2559 case C0_SI: /* shift in - acs */
2198 rxvt_scr_charset_choose(aR_ 0); 2560 scr_charset_choose (0);
2199 break; 2561 break;
2562
2563#ifdef EIGHT_BIT_CONTROLS
2564 // 8-bit controls
2565 case 0x90: /* DCS */
2566 process_dcs_seq ();
2567 break;
2568 case 0x9b: /* CSI */
2569 process_csi_seq ();
2570 break;
2571 case 0x9d: /* OSC */
2572 process_osc_seq ();
2573 break;
2574#endif
2200 } 2575 }
2201} 2576}
2202/*}}} */ 2577/*}}} */
2203 2578
2204 2579
2205/*{{{ process VT52 escape sequences */ 2580/*{{{ process VT52 escape sequences */
2206/* INTPROTO */ 2581void ecb_cold
2207void 2582rxvt_term::process_escape_vt52 (unicode_t ch)
2208rxvt_process_escape_vt52(pR_ unsigned char ch)
2209{ 2583{
2210 int row, col; 2584 int row, col;
2585
2586 switch (ch)
2211 2587 {
2212 switch (ch) {
2213 case 'A': /* cursor up */ 2588 case 'A': /* cursor up */
2214 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE); 2589 scr_gotorc (-1, 0, R_RELATIVE | C_RELATIVE);
2215 break; 2590 break;
2216 case 'B': /* cursor down */ 2591 case 'B': /* cursor down */
2217 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE); 2592 scr_gotorc (1, 0, R_RELATIVE | C_RELATIVE);
2218 break; 2593 break;
2219 case 'C': /* cursor right */ 2594 case 'C': /* cursor right */
2220 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 2595 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
2221 break; 2596 break;
2222 case 'D': /* cursor left */ 2597 case 'D': /* cursor left */
2223 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 2598 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
2224 break; 2599 break;
2225 case 'H': /* cursor home */ 2600 case 'H': /* cursor home */
2226 rxvt_scr_gotorc(aR_ 0, 0, 0); 2601 scr_gotorc (0, 0, 0);
2227 break; 2602 break;
2228 case 'I': /* cursor up and scroll down if needed */ 2603 case 'I': /* cursor up and scroll down if needed */
2229 rxvt_scr_index(aR_ DN); 2604 scr_index (DN);
2230 break; 2605 break;
2231 case 'J': /* erase to end of screen */ 2606 case 'J': /* erase to end of screen */
2232 rxvt_scr_erase_screen(aR_ 0); 2607 scr_erase_screen (0);
2233 break; 2608 break;
2234 case 'K': /* erase to end of line */ 2609 case 'K': /* erase to end of line */
2235 rxvt_scr_erase_line(aR_ 0); 2610 scr_erase_line (0);
2236 break; 2611 break;
2237 case 'Y': /* move to specified row and col */ 2612 case 'Y': /* move to specified row and col */
2238 /* full command is 'ESC Y row col' where row and col 2613 /* full command is 'ESC Y row col' where row and col
2239 * are encoded by adding 32 and sending the ascii 2614 * are encoded by adding 32 and sending the ascii
2240 * character. eg. SPACE = 0, '+' = 13, '0' = 18, 2615 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2241 * etc. */ 2616 * etc. */
2242 row = rxvt_cmd_getc(aR) - ' '; 2617 row = cmd_getc () - ' ';
2243 col = rxvt_cmd_getc(aR) - ' '; 2618 col = cmd_getc () - ' ';
2244 rxvt_scr_gotorc(aR_ row, col, 0); 2619 scr_gotorc (row, col, 0);
2245 break; 2620 break;
2246 case 'Z': /* identify the terminal type */ 2621 case 'Z': /* identify the terminal type */
2247 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */ 2622 tt_printf ("\033/Z"); /* I am a VT100 emulating a VT52 */
2248 break; 2623 break;
2249 case '<': /* turn off VT52 mode */ 2624 case '<': /* turn off VT52 mode */
2250 PrivMode(0, PrivMode_vt52); 2625 priv_modes &= ~PrivMode_vt52;
2251 break; 2626 break;
2252 case 'F': /* use special graphics character set */ 2627 case 'F': /* use special graphics character set */
2253 case 'G': /* use regular character set */ 2628 case 'G': /* use regular character set */
2254 /* unimplemented */ 2629 /* unimplemented */
2255 break; 2630 break;
2256 case '=': /* use alternate keypad mode */ 2631 case '=': /* use alternate keypad mode */
2257 case '>': /* use regular keypad mode */ 2632 case '>': /* use regular keypad mode */
2258 /* unimplemented */ 2633 /* unimplemented */
2259 break; 2634 break;
2260 } 2635 }
2261} 2636}
2262/*}}} */ 2637/*}}} */
2263 2638
2264 2639
2265/*{{{ process escape sequences */ 2640/*{{{ process escape sequences */
2266/* INTPROTO */ 2641void ecb_hot
2267void
2268rxvt_process_escape_seq(pR) 2642rxvt_term::process_escape_seq ()
2269{ 2643{
2270 unsigned char ch = rxvt_cmd_getc(aR); 2644 unicode_t ch = cmd_getc ();
2271 2645
2272 if (R->PrivateModes & PrivMode_vt52) { 2646 if (priv_modes & PrivMode_vt52)
2273 rxvt_process_escape_vt52(aR_ ch);
2274 return;
2275 }
2276 2647 {
2648 process_escape_vt52 (ch);
2649 return;
2650 }
2651
2277 switch (ch) { 2652 switch (ch)
2278 /* case 1: do_tek_mode (); break; */ 2653 {
2279 case '#': 2654 case '#':
2280 if (rxvt_cmd_getc(aR) == '8') 2655 if (cmd_getc () == '8')
2281 rxvt_scr_E(aR); 2656 scr_E ();
2282 break; 2657 break;
2283 case '(': 2658 case '(':
2284 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR)); 2659 scr_charset_set (0, (unsigned int)cmd_getc ());
2285 break; 2660 break;
2286 case ')': 2661 case ')':
2287 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR)); 2662 scr_charset_set (1, (unsigned int)cmd_getc ());
2288 break; 2663 break;
2289 case '*': 2664 case '*':
2290 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR)); 2665 scr_charset_set (2, (unsigned int)cmd_getc ());
2291 break; 2666 break;
2292 case '+': 2667 case '+':
2293 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR)); 2668 scr_charset_set (3, (unsigned int)cmd_getc ());
2294 break; 2669 break;
2295#ifdef MULTICHAR_SET 2670#if !ENABLE_MINIMAL
2296 case '$':
2297 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2298 break;
2299#endif
2300#ifndef NO_FRILLS
2301 case '6': 2671 case '6':
2302 rxvt_scr_backindex(aR); 2672 scr_backindex ();
2303 break; 2673 break;
2304#endif 2674#endif
2305 case '7': 2675 case '7':
2306 rxvt_scr_cursor(aR_ SAVE); 2676 scr_cursor (SAVE);
2307 break; 2677 break;
2308 case '8': 2678 case '8':
2309 rxvt_scr_cursor(aR_ RESTORE); 2679 scr_cursor (RESTORE);
2310 break; 2680 break;
2311#ifndef NO_FRILLS 2681#if !ENABLE_MINIMAL
2312 case '9': 2682 case '9':
2313 rxvt_scr_forwardindex(aR); 2683 scr_forwardindex ();
2314 break; 2684 break;
2315#endif 2685#endif
2686 // DECPAM/DECPNM
2316 case '=': 2687 case '=':
2688 priv_modes |= PrivMode_aplKP;
2689 break;
2317 case '>': 2690 case '>':
2318 PrivMode((ch == '='), PrivMode_aplKP); 2691 priv_modes &= ~PrivMode_aplKP;
2319 break; 2692 break;
2320 2693
2321 case C1_40: 2694 case C1_40:
2322 rxvt_cmd_getc(aR); 2695 cmd_getc ();
2323 break; 2696 break;
2324 case C1_44: 2697 case C1_44:
2325 rxvt_scr_index(aR_ UP); 2698 scr_index (UP);
2326 break; 2699 break;
2327 2700
2328 /* 8.3.87: NEXT LINE */ 2701 /* 8.3.87: NEXT LINE */
2329 case C1_NEL: /* ESC E */ 2702 case C1_NEL: /* ESC E */
2330 {
2331 uint32_t nlcr[] = { '\n', '\r' };
2332 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2333 } 2703 {
2334 break; 2704 wchar_t nlcr[] = { C0_LF, C0_CR };
2705 scr_add_lines (nlcr, ecb_array_length (nlcr), 1);
2706 }
2707 break;
2335 2708
2709#if 0 // disabled because embedded newlines can make exploits easier
2336 /* kidnapped escape sequence: Should be 8.3.48 */ 2710 /* kidnapped escape sequence: Should be 8.3.48 */
2337 case C1_ESA: /* ESC G */ 2711 case C1_ESA: /* ESC G */
2338 rxvt_process_graphics(aR); 2712 // used by original rxvt for rob nations own graphics mode
2339 break; 2713 if (cmd_getc () == 'Q' && option (Opt_insecure))
2714 tt_printf ("\033G0\012"); /* query graphics - no graphics */
2715 break;
2716#endif
2340 2717
2341 /* 8.3.63: CHARACTER TABULATION SET */ 2718 /* 8.3.63: CHARACTER TABULATION SET */
2342 case C1_HTS: /* ESC H */ 2719 case C1_HTS: /* ESC H */
2343 rxvt_scr_set_tab(aR_ 1); 2720 scr_set_tab (1);
2344 break; 2721 break;
2345 2722
2346 /* 8.3.105: REVERSE LINE FEED */ 2723 /* 8.3.105: REVERSE LINE FEED */
2347 case C1_RI: /* ESC M */ 2724 case C1_RI: /* ESC M */
2348 rxvt_scr_index(aR_ DN); 2725 scr_index (DN);
2349 break; 2726 break;
2350 2727
2351 /* 8.3.142: SINGLE-SHIFT TWO */ 2728 /* 8.3.142: SINGLE-SHIFT TWO */
2352 /*case C1_SS2: scr_single_shift (2); break; */ 2729 /* case C1_SS2: break; */
2353 2730
2354 /* 8.3.143: SINGLE-SHIFT THREE */ 2731 /* 8.3.143: SINGLE-SHIFT THREE */
2355 /*case C1_SS3: scr_single_shift (3); break; */ 2732 /* case C1_SS3: break; */
2356 2733
2357 /* 8.3.27: DEVICE CONTROL STRING */ 2734 /* 8.3.27: DEVICE CONTROL STRING */
2358 case C1_DCS: /* ESC P */ 2735 case C1_DCS: /* ESC P */
2359 rxvt_process_dcs_seq(aR); 2736 process_dcs_seq ();
2360 break; 2737 break;
2361 2738
2362 /* 8.3.110: SINGLE CHARACTER INTRODUCER */ 2739 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2363 case C1_SCI: /* ESC Z */ 2740 case C1_SCI: /* ESC Z */
2364 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER, 2741 tt_write (ESCZ_ANSWER, sizeof (ESCZ_ANSWER) - 1);
2365 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2366 break; /* steal obsolete ESC [ c */ 2742 break; /* steal obsolete ESC [ c */
2367 2743
2368 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */ 2744 /* 8.3.16: CONTROL SEQUENCE INTRODUCER (CSI) */
2369 case C1_CSI: /* ESC [ */ 2745 case C1_CSI: /* ESC [ */
2370 rxvt_process_csi_seq(aR); 2746 process_csi_seq ();
2371 break; 2747 break;
2372 2748
2373 /* 8.3.90: OPERATING SYSTEM COMMAND */ 2749 /* 8.3.90: OPERATING SYSTEM COMMAND (OSC) */
2374 case C1_OSC: /* ESC ] */ 2750 case C1_OSC: /* ESC ] */
2375 rxvt_process_osc_seq(aR); 2751 process_osc_seq ();
2376 break; 2752 break;
2377 2753
2378 /* 8.3.106: RESET TO INITIAL STATE */ 2754 /* 8.3.106: RESET TO INITIAL STATE (RIS) */
2379 case 'c': 2755 case 'c':
2380 rxvt_scr_poweron(aR); 2756 mbstate.reset ();
2381 rxvt_scrollbar_show(aR_ 1); 2757 scr_poweron ();
2382 break; 2758 scrollBar.show (1);
2759 break;
2383 2760
2384 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */ 2761 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2385 case 'n': 2762 case 'n':
2386 rxvt_scr_charset_choose(aR_ 2); 2763 scr_charset_choose (2);
2387 break; 2764 break;
2388 2765
2389 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */ 2766 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2390 case 'o': 2767 case 'o':
2391 rxvt_scr_charset_choose(aR_ 3); 2768 scr_charset_choose (3);
2392 break; 2769 break;
2393 } 2770 }
2394} 2771}
2395/*}}} */ 2772/*}}} */
2396 2773
2397/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */ 2774/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2398/* *INDENT-OFF* */
2399enum { 2775enum {
2400 CSI_ICH = 0x40, 2776 CSI_ICH = 0x40,
2401 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA, 2777 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2402 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA , 2778 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2403 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC, 2779 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2404 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F, 2780 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2405 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC, 2781 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2406 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ, 2782 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2407 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 , 2783 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2408 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F 2784 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2409}; 2785};
2410 2786
2411#define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \ 2787#define make_byte(b0,b1,b2,b3,b4,b5,b6,b7) \
2412 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \ 2788 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2413 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0)) 2789 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2414#define get_byte_array_bit(array, bit) \ 2790#define get_byte_array_bit(array, bit) \
2415 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7)))) 2791 (!! ((array)[(bit) >> 3] & (1 << ((bit) & 7))))
2416 2792
2417const unsigned char csi_defaults[] = { 2793static const unsigned char csi_defaults[] =
2794 {
2418 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */ 2795 make_byte (1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2419 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */ 2796 make_byte (1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2420 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */ 2797 make_byte (1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2421 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */ 2798 make_byte (1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2422 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */ 2799 make_byte (1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2423 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */ 2800 make_byte (0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2424 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */ 2801 make_byte (0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2425 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */ 2802 make_byte (0,0,0,0,0,0,0,0), /* x, y, z, {, |, }, ~, */
2426}; 2803 };
2427/* *INDENT-ON* */
2428 2804
2429/* INTPROTO */ 2805void ecb_hot
2806rxvt_term::process_csi_seq ()
2807{
2808 unicode_t ch, priv, prev_ch, i;
2809 unsigned int nargs, p;
2810 int n, ndef;
2811 int arg[ESC_ARGS] = { };
2812
2813 nargs = 0;
2814
2815 priv = 0;
2816 ch = cmd_getc ();
2817 if ((ch >= '<' && ch <= '?') || ch == '!')
2818 {
2819 /* '<' '=' '>' '?' '!' */
2820 priv = ch;
2821 ch = cmd_getc ();
2822 }
2823
2824 prev_ch = 0;
2825 /* read any numerical arguments */
2826 for (n = -1; ch < CSI_ICH; )
2827 {
2828 if (isdigit (ch))
2829 {
2830 if (n < 0)
2831 n = ch - '0';
2832 else
2833 n = n * 10 + ch - '0';
2834 }
2835 else if (ch == ';')
2836 {
2837 if (nargs < ESC_ARGS)
2838 arg[nargs++] = n;
2839 n = -1;
2840 }
2841 else if (IS_CONTROL (ch))
2842 process_nonprinting (ch);
2843
2844 prev_ch = ch;
2845 ch = cmd_getc ();
2846 }
2847
2848 if (ch > CSI_7F)
2849 return;
2850
2851 if (nargs < ESC_ARGS)
2852 arg[nargs++] = n;
2853
2854 i = ch - CSI_ICH;
2855 ndef = get_byte_array_bit (csi_defaults, i);
2856 for (p = 0; p < nargs; p++)
2857 if (arg[p] == -1)
2858 arg[p] = ndef;
2859
2860 /*
2861 * private mode handling
2862 */
2863 if (priv)
2864 {
2865 switch (priv)
2866 {
2867 case '>':
2868 if (ch == CSI_DA) /* secondary device attributes */
2869 {
2870 // first parameter is normally 0 for vt100, 1 for vt220, 'R' for rxvt,
2871 // 'U' for rxvt-unicode != 7.[34] (where it was broken).
2872 //
2873 // second parameter is xterm patch level for xterm, MMmmpp (e.g. 20703) for rxvt
2874 // and Mm (e.g. 72 for 7.2) for urxvt <= 7.2, 94 for urxvt <= 8.3, and 95 for later
2875 // versions.
2876 //
2877 tt_printf ("\033[>%d;95;0c", 'U');
2878 }
2879 break;
2880
2881 case '?':
2882 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2883 process_terminal_mode (ch, priv, nargs, arg);
2884 if (prev_ch == '$' && ch == 'p')
2885 process_terminal_mode (ch, priv, nargs, arg);
2886 break;
2887
2888 case '!':
2889 if (ch == CSI_70)
2890 {
2891 /* DECSTR: soft terminal reset, used by our terminfo since 9.06 */
2892 scr_soft_reset ();
2893
2894 static const int pm_h[] = { 7, 25 };
2895 static const int pm_l[] = { 1, 3, 4, 5, 6, 9, 66, 1000, 1001, 1005, 1006, 1015, 1049 };
2896
2897 process_terminal_mode ('h', 0, ecb_array_length (pm_h), pm_h);
2898 process_terminal_mode ('l', 0, ecb_array_length (pm_l), pm_l);
2899 }
2900 break;
2901 }
2902
2903 return;
2904 }
2905
2906 switch (ch)
2907 {
2908 /*
2909 * ISO/IEC 6429:1992 (E) CSI sequences (defaults in parentheses)
2910 */
2911#ifdef PRINTPIPE
2912 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2913 switch (arg[0])
2914 {
2915 case 0: /* initiate transfer to primary aux device */
2916 scr_printscreen (0);
2917 break;
2918 case 5: /* start relay to primary aux device */
2919 process_print_pipe ();
2920 break;
2921 }
2922 break;
2923#endif
2924
2925 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2926 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2927 arg[0] = -arg[0];
2928 /* FALLTHROUGH */
2929 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2930 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2931 scr_gotorc (arg[0], 0, RELATIVE);
2932 break;
2933
2934 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2935 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2936#ifdef ISO6429
2937 arg[0] = -arg[0];
2938#else /* emulate common DEC VTs */
2939 arg[0] = arg[0] ? -arg[0] : -1;
2940#endif
2941 /* FALLTHROUGH */
2942 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2943 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2944#ifdef ISO6429
2945 scr_gotorc (0, arg[0], RELATIVE);
2946#else /* emulate common DEC VTs */
2947 scr_gotorc (0, arg[0] ? arg[0] : 1, RELATIVE);
2948#endif
2949 break;
2950
2951 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2952 arg[0] = -arg[0];
2953 /* FALLTHROUGH */
2954 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2955 scr_gotorc (arg[0], 0, R_RELATIVE);
2956 break;
2957
2958 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2959 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2960 scr_gotorc (0, arg[0] - 1, R_RELATIVE);
2961 break;
2962
2963 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2964 scr_gotorc (arg[0] - 1, 0, C_RELATIVE);
2965 break;
2966
2967 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2968 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2969 scr_gotorc (arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2970 break;
2971
2972 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2973 arg[0] = -arg[0];
2974 /* FALLTHROUGH */
2975 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2976 scr_tab (arg[0]);
2977 break;
2978
2979 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2980 scr_erase_screen (arg[0]);
2981 break;
2982
2983 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2984 scr_erase_line (arg[0]);
2985 break;
2986
2987 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2988 scr_insdel_chars (arg[0], INSERT);
2989 break;
2990
2991 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2992 scr_insdel_lines (arg[0], INSERT);
2993 break;
2994
2995 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2996 scr_insdel_lines (arg[0], DELETE);
2997 break;
2998
2999 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
3000 scr_insdel_chars (arg[0], ERASE);
3001 break;
3002
3003 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
3004 scr_insdel_chars (arg[0], DELETE);
3005 break;
3006
3007 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
3008 arg[0] = -arg[0];
3009 /* FALLTHROUGH */
3010 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
3011 scr_scroll_text (screen.tscroll, screen.bscroll, arg[0]);
3012 break;
3013
3014 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
3015 tt_write (VT100_ANS, sizeof (VT100_ANS) - 1);
3016 break;
3017
3018 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
3019 process_sgr_mode (nargs, arg);
3020 break;
3021
3022 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
3023 switch (arg[0])
3024 {
3025 case 5: /* DSR requested */
3026 tt_printf ("\033[0n");
3027 break;
3028 case 6: /* CPR requested */
3029 scr_report_position ();
3030 break;
3031 case 7: /* unofficial extension */
3032 if (option (Opt_insecure))
3033 tt_printf ("%-.250s\012", rs[Rs_display_name]);
3034 break;
3035 case 8: /* unofficial extension */
3036 {
3037 string_term st;
3038 st.v[0] = CHAR_ST;
3039 st.v[1] = '\0';
3040 process_xterm_seq (XTerm_title, (char *)RESNAME "-" VERSION, st); // char * cast verified
3041 break;
3042 }
3043 }
3044 break;
3045
3046 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
3047 switch (arg[0])
3048 {
3049 case 0: /* char tab stop cleared at active position */
3050 scr_set_tab (0);
3051 break;
3052 /* case 1: */ /* line tab stop cleared in active line */
3053 /* case 2: */ /* char tab stops cleared in active line */
3054 case 3: /* all char tab stops are cleared */
3055 /* case 4: */ /* all line tab stops are cleared */
3056 case 5: /* all tab stops are cleared */
3057 scr_set_tab (-1);
3058 break;
3059 }
3060 break;
3061
3062 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
3063 switch (arg[0])
3064 {
3065 case 0: /* char tab stop set at active position */
3066 scr_set_tab (1);
3067 break; /* = ESC H */
3068 /* case 1: */ /* line tab stop set at active line */
3069 case 2: /* char tab stop cleared at active position */
3070 scr_set_tab (0);
3071 break; /* = ESC [ 0 g */
3072 /* case 3: */ /* line tab stop cleared at active line */
3073 /* case 4: */ /* char tab stops cleared at active line */
3074 case 5: /* all char tab stops are cleared */
3075 scr_set_tab (-1);
3076 break; /* = ESC [ 3 g */
3077 /* case 6: */ /* all line tab stops are cleared */
3078 }
3079 break;
3080
3081 case CSI_RM: /* 8.3.107: RESET MODE */
3082 if (arg[0] == 4)
3083 scr_insert_mode (0);
3084 else if (arg[0] == 20)
3085 priv_modes &= ~PrivMode_LFNL;
3086 break;
3087
3088 case CSI_SM: /* 8.3.126: SET MODE */
3089 if (arg[0] == 4)
3090 scr_insert_mode (1);
3091 else if (arg[0] == 20)
3092 priv_modes |= PrivMode_LFNL;
3093 break;
3094
3095 case CSI_71: // DECSCUSR: set cursor style
3096 if (prev_ch == ' ')
3097 set_cursor_style (arg[0]);
3098 break;
3099
3100 /*
3101 * PRIVATE USE beyond this point. All CSI_7? sequences here
3102 */
3103 case CSI_72: /* DECSTBM: set top and bottom margins */
3104 if (nargs == 1)
3105 scr_scroll_region (arg[0] - 1, MAX_ROWS - 1);
3106 else if (nargs == 0 || arg[0] >= arg[1])
3107 scr_scroll_region (0, MAX_ROWS - 1);
3108 else
3109 scr_scroll_region (arg[0] - 1, arg[1] - 1);
3110 break;
3111
3112 case CSI_73:
3113 scr_cursor (SAVE);
3114 break;
3115 case CSI_75:
3116 scr_cursor (RESTORE);
3117 break;
3118
3119#if !ENABLE_MINIMAL
3120 case CSI_74:
3121 process_window_ops (arg, nargs);
3122 break;
3123#endif
3124
3125 case CSI_78: /* DECREQTPARM */
3126 if (arg[0] == 0 || arg[0] == 1)
3127 tt_printf ("\033[%d;1;1;128;128;1;0x", arg[0] + 2);
3128 break;
3129
3130 default:
3131 break;
3132 }
3133}
3134/*}}} */
3135
3136#if !ENABLE_MINIMAL
2430void 3137void
2431rxvt_process_csi_seq(pR)
2432{
2433 unsigned char ch, priv, i;
2434 unsigned int nargs, p;
2435 int n, ndef;
2436 int arg[ESC_ARGS];
2437
2438 for (nargs = ESC_ARGS; nargs > 0;)
2439 arg[--nargs] = 0;
2440
2441 priv = 0;
2442 ch = rxvt_cmd_getc(aR);
2443 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2444 priv = ch;
2445 ch = rxvt_cmd_getc(aR);
2446 }
2447/* read any numerical arguments */
2448 for (n = -1; ch < CSI_ICH; ) {
2449 if (isdigit(ch)) {
2450 if (n < 0)
2451 n = ch - '0';
2452 else
2453 n = n * 10 + ch - '0';
2454 } else if (ch == ';') {
2455 if (nargs < ESC_ARGS)
2456 arg[nargs++] = n;
2457 n = -1;
2458 } else if (ch == '\b') {
2459 rxvt_scr_backspace(aR);
2460 } else if (ch == C0_ESC) {
2461 rxvt_process_escape_seq(aR);
2462 return;
2463 } else if (ch < ' ') {
2464 rxvt_process_nonprinting(aR_ ch);
2465 }
2466 ch = rxvt_cmd_getc(aR);
2467 }
2468
2469 if (ch > CSI_7F)
2470 return;
2471
2472 if (nargs < ESC_ARGS)
2473 arg[nargs++] = n;
2474
2475 i = ch - CSI_ICH;
2476 ndef = get_byte_array_bit(csi_defaults, i);
2477 for (p = 0; p < nargs; p++)
2478 if (arg[p] == -1)
2479 arg[p] = ndef;
2480
2481#ifdef DEBUG_CMD
2482 fprintf(stderr, "CSI ");
2483 for (p = 0; p < nargs; p++)
2484 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2485 fprintf(stderr, "%c\n", ch);
2486#endif
2487
2488/*
2489 * private mode handling
2490 */
2491 if (priv) {
2492 switch (priv) {
2493 case '>':
2494 if (ch == CSI_DA) /* secondary device attributes */
2495 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2496 break;
2497 case '?':
2498 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2499 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2500 break;
2501 }
2502 return;
2503 }
2504
2505 switch (ch) {
2506/*
2507 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2508 */
2509#ifdef PRINTPIPE
2510 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2511 switch (arg[0]) {
2512 case 0: /* initiate transfer to primary aux device */
2513 rxvt_scr_printscreen(aR_ 0);
2514 break;
2515 case 5: /* start relay to primary aux device */
2516 rxvt_process_print_pipe(aR);
2517 break;
2518 }
2519 break;
2520#endif
2521
2522 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2523 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2524 arg[0] = -arg[0];
2525 /* FALLTHROUGH */
2526 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2527 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2528 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2529 break;
2530
2531 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2532 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2533#ifdef ISO6429
2534 arg[0] = -arg[0];
2535#else /* emulate common DEC VTs */
2536 arg[0] = arg[0] ? -arg[0] : -1;
2537#endif
2538 /* FALLTHROUGH */
2539 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2540 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2541#ifdef ISO6429
2542 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2543#else /* emulate common DEC VTs */
2544 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2545#endif
2546 break;
2547
2548 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2549 arg[0] = -arg[0];
2550 /* FALLTHROUGH */
2551 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2552 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2553 break;
2554
2555 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2556 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2557 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2558 break;
2559
2560 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2561 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2562 break;
2563
2564 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2565 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2566 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2567 break;
2568
2569 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2570 arg[0] = -arg[0];
2571 /* FALLTHROUGH */
2572 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2573 rxvt_scr_tab(aR_ arg[0]);
2574 break;
2575
2576 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2577 rxvt_scr_erase_screen(aR_ arg[0]);
2578 break;
2579
2580 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2581 rxvt_scr_erase_line(aR_ arg[0]);
2582 break;
2583
2584 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2585 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2586 break;
2587
2588 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2589 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2590 break;
2591
2592 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2593 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2594 break;
2595
2596 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2597 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2598 break;
2599
2600 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2601 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2602 break;
2603
2604 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2605 arg[0] = -arg[0];
2606 /* FALLTHROUGH */
2607 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2608 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2609 break;
2610
2611 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2612 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2613 (unsigned int)(sizeof(VT100_ANS) - 1));
2614 break;
2615
2616 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2617 rxvt_process_sgr_mode(aR_ nargs, arg);
2618 break;
2619
2620 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2621 switch (arg[0]) {
2622 case 5: /* DSR requested */
2623 rxvt_tt_printf(aR_ "\033[0n");
2624 break;
2625 case 6: /* CPR requested */
2626 rxvt_scr_report_position(aR);
2627 break;
2628#if defined (ENABLE_DISPLAY_ANSWER)
2629 case 7: /* unofficial extension */
2630 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]);
2631 break;
2632#endif
2633 case 8: /* unofficial extension */
2634 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2635 break;
2636 }
2637 break;
2638
2639 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2640 switch (arg[0]) {
2641 case 0: /* char tab stop cleared at active position */
2642 rxvt_scr_set_tab(aR_ 0);
2643 break;
2644 /* case 1: */ /* line tab stop cleared in active line */
2645 /* case 2: */ /* char tab stops cleared in active line */
2646 case 3: /* all char tab stops are cleared */
2647 /* case 4: */ /* all line tab stops are cleared */
2648 case 5: /* all tab stops are cleared */
2649 rxvt_scr_set_tab(aR_ -1);
2650 break;
2651 }
2652 break;
2653
2654 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2655 switch (arg[0]) {
2656 case 0: /* char tab stop set at active position */
2657 rxvt_scr_set_tab(aR_ 1);
2658 break; /* = ESC H */
2659 /* case 1: */ /* line tab stop set at active line */
2660 case 2: /* char tab stop cleared at active position */
2661 rxvt_scr_set_tab(aR_ 0);
2662 break; /* = ESC [ 0 g */
2663 /* case 3: */ /* line tab stop cleared at active line */
2664 /* case 4: */ /* char tab stops cleared at active line */
2665 case 5: /* all char tab stops are cleared */
2666 rxvt_scr_set_tab(aR_ -1);
2667 break; /* = ESC [ 3 g */
2668 /* case 6: */ /* all line tab stops are cleared */
2669 }
2670 break;
2671
2672 case CSI_RM: /* 8.3.107: RESET MODE */
2673 if (arg[0] == 4)
2674 rxvt_scr_insert_mode(aR_ 0);
2675 break;
2676
2677 case CSI_SM: /* 8.3.126: SET MODE */
2678 if (arg[0] == 4)
2679 rxvt_scr_insert_mode(aR_ 1);
2680 break;
2681
2682/*
2683 * PRIVATE USE beyond this point. All CSI_7? sequences here
2684 */
2685 case CSI_72: /* DECSTBM: set top and bottom margins */
2686 if (nargs == 1)
2687 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2688 else if (nargs == 0 || arg[0] >= arg[1])
2689 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2690 else
2691 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2692 break;
2693
2694 case CSI_73:
2695 rxvt_scr_cursor(aR_ SAVE);
2696 break;
2697 case CSI_75:
2698 rxvt_scr_cursor(aR_ RESTORE);
2699 break;
2700
2701#ifndef NO_FRILLS
2702 case CSI_74:
2703 rxvt_process_window_ops(aR_ arg, nargs);
2704 break;
2705#endif
2706
2707 case CSI_78: /* DECREQTPARM */
2708 if (arg[0] == 0 || arg[0] == 1)
2709 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2710 /* FALLTHROUGH */
2711
2712 default:
2713 break;
2714 }
2715}
2716/*}}} */
2717
2718#ifndef NO_FRILLS
2719/* ARGSUSED */
2720/* INTPROTO */
2721void
2722rxvt_process_window_ops(pR_ const int *args, unsigned int nargs) 3138rxvt_term::process_window_ops (const int *args, unsigned int nargs)
2723{ 3139{
2724 int x, y; 3140 int x, y;
2725#if 0
2726 char *s;
2727#endif
2728 XWindowAttributes wattr; 3141 XWindowAttributes wattr;
2729 Window wdummy; 3142 Window wdummy;
2730 3143
3144 dLocal (Display *, dpy);
3145
2731 if (nargs == 0) 3146 if (nargs == 0)
2732 return; 3147 return;
3148
2733 switch (args[0]) { 3149 switch (args[0])
3150 {
2734 /* 3151 /*
2735 * commands 3152 * commands
2736 */ 3153 */
2737 case 1: /* deiconify window */ 3154 case 1: /* deiconify window */
2738 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 3155 XMapWindow (dpy, parent);
2739 break; 3156 break;
2740 case 2: /* iconify window */ 3157 case 2: /* iconify window */
2741 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0], 3158 XIconifyWindow (dpy, parent, display->screen);
2742 DefaultScreen(R->Xdisplay)); 3159 break;
2743 break;
2744 case 3: /* set position (pixels) */ 3160 case 3: /* set position (pixels) */
2745 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]); 3161 XMoveWindow (dpy, parent, args[1], args[2]);
2746 break; 3162 break;
2747 case 4: /* set size (pixels) */ 3163 case 4: /* set size (pixels) */
2748 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]); 3164 set_widthheight ((unsigned int)args[2], (unsigned int)args[1]);
2749 break; 3165 break;
2750 case 5: /* raise window */ 3166 case 5: /* raise window */
2751 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]); 3167 XRaiseWindow (dpy, parent);
2752 break; 3168 break;
2753 case 6: /* lower window */ 3169 case 6: /* lower window */
2754 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]); 3170 XLowerWindow (dpy, parent);
2755 break; 3171 break;
2756 case 7: /* refresh window */ 3172 case 7: /* refresh window */
2757 rxvt_scr_touch(aR_ True); 3173 scr_touch (true);
2758 break; 3174 break;
2759 case 8: /* set size (chars) */ 3175 case 8: /* set size (chars) */
2760 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth), 3176 set_widthheight ((unsigned int) (args[2] * fwidth),
2761 (unsigned int)(args[1] * R->TermWin.fheight)); 3177 (unsigned int) (args[1] * fheight));
2762 break; 3178 break;
3179
3180 //case 9: NYI, TODO, restore maximized window or maximize window
2763 default: 3181 default:
2764 if (args[0] >= 24) /* set height (chars) */ 3182 if (args[0] >= 24) /* set height (chars) */
2765 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width, 3183 set_widthheight ((unsigned int)vt_width,
2766 (unsigned int)(args[1] * R->TermWin.fheight)); 3184 (unsigned int) (args[1] * fheight));
2767 break; 3185 break;
3186
2768 /* 3187 /*
2769 * reports - some output format copied from XTerm 3188 * reports - some output format copied from XTerm
2770 */ 3189 */
2771 case 11: /* report window state */ 3190 case 11: /* report window state */
2772 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3191 XGetWindowAttributes (dpy, parent, &wattr);
2773 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2); 3192 tt_printf ("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2774 break; 3193 break;
2775 case 13: /* report window position */ 3194 case 13: /* report window position */
2776 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3195 XGetWindowAttributes (dpy, parent, &wattr);
2777 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root, 3196 XTranslateCoordinates (dpy, parent, wattr.root,
2778 -wattr.border_width, -wattr.border_width, 3197 -wattr.border_width, -wattr.border_width,
2779 &x, &y, &wdummy); 3198 &x, &y, &wdummy);
2780 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y); 3199 tt_printf ("\033[3;%d;%dt", x, y);
2781 break; 3200 break;
2782 case 14: /* report window size (pixels) */ 3201 case 14: /* report window size (pixels) */
2783 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3202 XGetWindowAttributes (dpy, parent, &wattr);
2784 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width); 3203 tt_printf ("\033[4;%d;%dt", wattr.height, wattr.width);
2785 break; 3204 break;
3205 case 18: /* report text area size (chars) */
3206 tt_printf ("\033[8;%d;%dt", nrow, ncol);
3207 break;
2786 case 18: /* report window size (chars) */ 3208 case 19: /* report window size (chars) */
2787 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol); 3209 tt_printf ("\033[9;%d;%dt", nrow, ncol);
2788 break; 3210 break;
2789#if 0 /* XXX: currently disabled due to security concerns */
2790 case 20: /* report icon label */ 3211 case 20: /* report icon label */
2791 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s); 3212 {
2792 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */ 3213 char *s;
2793 break; 3214 XGetIconName (dpy, parent, &s);
3215 tt_printf ("\033]L%-.250s\234", option (Opt_insecure) && s ? s : ""); /* 8bit ST */
3216 XFree (s);
3217 }
3218 break;
2794 case 21: /* report window title */ 3219 case 21: /* report window title */
2795 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s); 3220 {
2796 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */ 3221 char *s;
2797 break; 3222 XFetchName (dpy, parent, &s);
2798#endif 3223 tt_printf ("\033]l%-.250s\234", option (Opt_insecure) && s ? s : ""); /* 8bit ST */
3224 XFree (s);
3225 }
3226 break;
2799 } 3227 }
2800} 3228}
2801#endif 3229#endif
2802 3230
2803/*----------------------------------------------------------------------*/ 3231/*----------------------------------------------------------------------*/
2804/* 3232/*
2805 * get input up until STRING TERMINATOR (or BEL) 3233 * get input up until STRING TERMINATOR (or BEL)
2806 * ends_how is terminator used. returned input must be free()d 3234 * ends_how is terminator used. returned input must be free()'d
2807 */ 3235 */
2808/* INTPROTO */ 3236char *
2809unsigned char * 3237rxvt_term::get_to_st (string_term &st)
2810rxvt_get_to_st(pR_ unsigned char *ends_how)
2811{ 3238{
2812 int seen_esc = 0; /* seen escape? */ 3239 unicode_t ch;
3240 bool seen_esc = false;
2813 unsigned int n = 0; 3241 unsigned int n = 0;
2814 unsigned char *s; 3242 wchar_t string[CBUFSIZ];
2815 unsigned char ch, string[STRING_MAX];
2816 3243
2817 for (; (ch = rxvt_cmd_getc(aR));) { 3244 while ((ch = cmd_getc ()) != NOCHAR)
2818 if (ch == C0_BEL 3245 {
2819 || ch == CHAR_ST 3246 if (seen_esc)
2820 || (ch == 0x5c && seen_esc)) /* 7bit ST */ 3247 {
3248 if (ch == 0x5c) /* 7bit ST */
3249 break;
3250 else
3251 return NULL;
3252 }
3253 else if (ch == C0_ESC)
3254 {
3255 seen_esc = true;
3256 continue;
3257 }
3258 else if (ch == C0_BEL || ch == CHAR_ST)
2821 break; 3259 break;
2822 if (ch == C0_ESC) { 3260 else if (ch == C0_SYN)
2823 seen_esc = 1; 3261 ch = cmd_get8 ();
2824 continue; 3262 else if (ch < 0x20)
2825 } else if (ch == '\t')
2826 ch = ' '; /* translate '\t' to space */
2827 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2828 return NULL; /* other control character - exit */ 3263 return NULL; /* other control character - exit */
3264
3265 seen_esc = false;
3266
2829 if (n < sizeof(string) - 1) 3267 if (n >= sizeof (string) - 1)
3268 // stop at some sane length
3269 return NULL;
3270
2830 string[n++] = ch; 3271 string[n++] = ch;
2831 seen_esc = 0;
2832 } 3272 }
3273
2833 string[n++] = '\0'; 3274 string[n++] = '\0';
2834 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL) 3275
2835 return NULL; 3276 n = 0;
2836 *ends_how = (ch == 0x5c ? C0_ESC : ch); 3277 if (ch == 0x5c)
2837 STRNCPY(s, string, n); 3278 st.v[n++] = C0_ESC;
2838 return s; 3279 st.v[n++] = ch;
3280 st.v[n] = '\0';
3281
3282 return rxvt_wcstombs (string);
2839} 3283}
2840 3284
2841/*----------------------------------------------------------------------*/ 3285/*----------------------------------------------------------------------*/
2842/* 3286/*
2843 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)' 3287 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2844 */ 3288 */
2845/* INTPROTO */
2846void 3289void
2847rxvt_process_dcs_seq(pR) 3290rxvt_term::process_dcs_seq ()
2848{ 3291{
2849 unsigned char eh, *s; 3292 /*
2850/*
2851 * Not handled yet 3293 * Not handled yet
2852 */ 3294 */
2853 s = rxvt_get_to_st(aR_ &eh); 3295
3296 string_term st;
3297 char *s = get_to_st (st);
2854 if (s) 3298 if (s)
2855 free(s); 3299 free (s);
3300
2856 return; 3301 return;
2857} 3302}
2858 3303
2859/*----------------------------------------------------------------------*/ 3304/*----------------------------------------------------------------------*/
2860/* 3305/*
2861 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)' 3306 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2862 */ 3307 */
2863/* INTPROTO */
2864void 3308void
2865rxvt_process_osc_seq(pR) 3309rxvt_term::process_osc_seq ()
2866{ 3310{
2867 unsigned char ch, eh, *s; 3311 int arg;
2868 int arg;
2869 3312
2870 ch = rxvt_cmd_getc(aR); 3313 unicode_t ch = cmd_getc ();
2871 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR)) 3314 for (arg = 0; isdigit (ch); ch = cmd_getc ())
2872 arg = arg * 10 + (ch - '0'); 3315 arg = arg * 10 + (ch - '0');
2873 3316
2874 if (ch == ';') { 3317 if (ch == ';')
2875 s = rxvt_get_to_st(aR_ &eh); 3318 {
2876 if (s) { 3319 string_term st;
2877 /* 3320 char *s = get_to_st (st);
2878 * rxvt_menubar_dispatch() violates the constness of the string, 3321
2879 * so do it here 3322 if (s)
2880 */ 3323 {
2881 if (arg == XTerm_Menu) 3324 process_xterm_seq (arg, s, st);
2882#if 0 /* XXX: currently disabled due to security concerns */ 3325 free (s);
2883 rxvt_menubar_dispatch(aR_ (char *)s); 3326 }
3327 }
3328}
3329
3330static unsigned int
3331colorcube_index (unsigned int idx_r,
3332 unsigned int idx_g,
3333 unsigned int idx_b)
3334{
3335 assert (idx_r < Red_levels);
3336 assert (idx_g < Green_levels);
3337 assert (idx_b < Blue_levels);
3338
3339 return idx_r * Blue_levels * Green_levels +
3340 idx_g * Blue_levels +
3341 idx_b;
3342}
3343
3344/*
3345 * Find the nearest color slot in the hidden color cube,
3346 * adapt its value to the 32bit RGBA color.
3347 */
3348unsigned int
3349rxvt_term::map_rgb24_color (unsigned int r, unsigned int g, unsigned int b, unsigned int a)
3350{
3351 r &= 0xff;
3352 g &= 0xff;
3353 b &= 0xff;
3354 a &= 0xff;
3355
3356 uint32_t color = (a << 24) | (r << 16) | (g << 8) | b;
3357
3358 /* we allow one of the 6 closest neighbouring colours */
3359 /* to replace the current color, if they not used recently */
3360 #if 0
3361 static const unsigned char dxyz[][3] = {
3362 0, 0, 0,
3363 0, 0, 4,
3364 0, 4, 4,
3365 4, 4, 0,
3366 4, 0, 4,
3367 0, 4, 0,
3368 4, 0, 0,
3369 };
2884#else 3370 #else
2885 0; 3371 // silly compressed verlapping triplets version of above
3372 static const unsigned char dxyz[] = {
3373 0, 0, 0, 4, 4, 0, 4, 0, 0,
3374 };
2886#endif 3375 #endif
3376
3377 static const unsigned char color_level[8][32] = {
3378 // neighbour index
3379 {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},
3380 {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},
3381 {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},
3382 {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},
3383 // Red_levels/Green_levels/Blue_levels index
3384 {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},
3385 {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},
3386 {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},
3387 {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},
3388 };
3389
3390 unsigned int idx;
3391
3392 for (int n = 0; n < ecb_array_length (dxyz) - 2; ++n)
3393 {
3394 unsigned int idx_r = color_level[ Red_levels - dxyz[n + 0]][r / 8];
3395 unsigned int idx_g = color_level[Green_levels - dxyz[n + 1]][g / 8];
3396 unsigned int idx_b = color_level[ Blue_levels - dxyz[n + 2]][b / 8];
3397 unsigned int index = colorcube_index (idx_r, idx_g, idx_b);
3398
3399 if (n == 0)
3400 idx = index;
3401
3402 if (rgb24_color[index] == color)
3403 {
3404 rgb24_seqno[index] = ++rgb24_sequence;
3405 return index + minTermCOLOR24;
3406 }
3407
3408 // minor issue: could update index 0 few more times
3409 if ((rgb24_seqno[index] | rgb24_color[index]) == 0)
3410 {
3411 idx = index;
3412 goto update;
3413 }
3414
3415 // like (rgb24_seqno[idx] > rgb24_seqno[index])
3416 // but also handles wrap around values well enough
3417 if ((uint16_t)(rgb24_seqno[idx] - rgb24_seqno[index]) < 0x8000)
3418 idx = index;
3419 }
3420
3421update:
3422 rgb24_color[idx] = color;
3423 rgb24_seqno[idx] = ++rgb24_sequence;
3424
3425 idx += minTermCOLOR24;
3426 pix_colors_focused [idx].free (this);
3427 pix_colors_focused [idx].set (this, rgba (r * 0x0101, g * 0x0101, b * 0x0101, a * 0x0101));
3428 update_fade_color (idx, false);
3429
3430 return idx;
3431}
3432
3433void
3434rxvt_term::process_color_seq (int report, int color, const char *str, string_term &st)
3435{
3436 if (str[0] == '?' && !str[1])
3437 {
3438 rgba c;
3439 pix_colors_focused[color].get (c);
3440 char rgba_str[32];
3441
3442#if XFT
3443 if (c.a != rgba::MAX_CC)
3444 snprintf (rgba_str, sizeof (rgba_str), "rgba:%04x/%04x/%04x/%04x", c.r, c.g, c.b, c.a);
2887 else 3445 else
2888 rxvt_xterm_seq(aR_ arg, (char *)s, eh); 3446#endif
2889 free(s); 3447 snprintf (rgba_str, sizeof (rgba_str), "rgb:%04x/%04x/%04x", c.r, c.g, c.b);
2890 } 3448
3449 if (IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
3450 tt_printf ("\033]%d;%d;%s%s", report, color - minCOLOR, rgba_str, st.v);
3451 else
3452 tt_printf ("\033]%d;%s%s", report, rgba_str, st.v);
2891 } 3453 }
3454 else
3455 set_window_color (color, str);
2892} 3456}
3457
2893/* 3458/*
2894 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL) 3459 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2895 * 0 = change iconName/title
2896 * 1 = change iconName
2897 * 2 = change title
2898 * 4 = change color
2899 * 12 = change text color
2900 * 13 = change mouse foreground color
2901 * 17 = change highlight character colour
2902 * 18 = change bold character color
2903 * 19 = change underlined character color
2904 * 46 = change logfile (not implemented)
2905 * 50 = change font
2906 *
2907 * rxvt extensions:
2908 * 10 = menu (may change in future)
2909 * 20 = bg pixmap
2910 * 39 = change default fg color
2911 * 49 = change default bg color
2912 * 55 = dump scrollback buffer and all of screen
2913 */ 3460 */
2914/* EXTPROTO */
2915void 3461void
2916rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused))) 3462rxvt_term::process_xterm_seq (int op, char *str, string_term &st)
2917{ 3463{
2918 int changed = 0; 3464 int color;
2919 int color;
2920 char *buf, *name; 3465 char *buf, *name;
3466 bool query = str[0] == '?' && !str[1];
3467 int saveop = op;
2921 3468
3469 dLocal (Display *, dpy);
3470
2922 assert(str != NULL); 3471 assert (str != NULL);
3472
3473 if (HOOK_INVOKE ((this, HOOK_OSC_SEQ, DT_INT, op, DT_STR, str, DT_END)))
3474 return;
3475
2923 switch (op) { 3476 switch (op)
3477 {
2924 case XTerm_name: 3478 case XTerm_name:
2925 rxvt_set_title(aR_ str); 3479 set_title (str);
2926 /* FALLTHROUGH */ 3480 /* FALLTHROUGH */
2927 case XTerm_iconName: 3481 case XTerm_iconName:
2928 rxvt_set_iconName(aR_ str); 3482 set_icon_name (str);
2929 break; 3483 break;
2930 case XTerm_title: 3484 case XTerm_title:
2931 rxvt_set_title(aR_ str); 3485 set_title (str);
2932 break; 3486 break;
3487 case XTerm_property:
3488 if (str[0] == '?')
3489 {
3490 Atom prop = display->atom (str + 1);
3491 Atom actual_type;
3492 int actual_format;
3493 unsigned long nitems;
3494 unsigned long bytes_after;
3495 unsigned char *value = 0;
3496 const char *str = "";
3497
3498 if (prop
3499 && XGetWindowProperty (dpy, parent,
3500 prop, 0, 1<<16, 0, AnyPropertyType,
3501 &actual_type, &actual_format,
3502 &nitems, &bytes_after, &value) == Success
3503 && actual_type != None
3504 && actual_format == 8)
3505 str = (const char *)(value);
3506
3507 tt_printf ("\033]%d;%s%s", op, option (Opt_insecure) ? str : "", st.v);
3508
3509 XFree (value);
3510 }
3511 else
3512 {
3513 char *eq = strchr (str, '=');
3514
3515 if (eq)
3516 {
3517 *eq = 0;
3518 set_utf8_property (display->atom (str), eq + 1);
3519 }
3520 else
3521 XDeleteProperty (dpy, parent,
3522 display->atom (str));
3523 }
3524 break;
3525
2933 case XTerm_Color: 3526 case XTerm_Color:
2934 for (buf = (char *)str; buf && *buf;) { 3527 for (buf = (char *)str; buf && *buf;)
3528 {
2935 if ((name = STRCHR(buf, ';')) == NULL) 3529 if ((name = strchr (buf, ';')) == NULL)
2936 break; 3530 break;
3531
2937 *name++ = '\0'; 3532 *name++ = '\0';
2938 color = atoi(buf); 3533 color = atoi (buf) + minCOLOR;
2939 if (color < 0 || color >= TOTAL_COLORS) 3534
2940 break; 3535 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
3536 break;
3537
2941 if ((buf = STRCHR(name, ';')) != NULL) 3538 if ((buf = strchr (name, ';')) != NULL)
2942 *buf++ = '\0'; 3539 *buf++ = '\0';
2943 rxvt_set_window_color(aR_ color + minCOLOR, name); 3540
2944 } 3541 process_color_seq (op, color, name, st);
2945 break; 3542 }
3543 break;
3544 case Rxvt_restoreFG:
3545 case XTerm_Color00:
3546 process_color_seq (op, Color_fg, str, st);
3547 break;
3548 case Rxvt_restoreBG:
3549 case XTerm_Color01:
3550 process_color_seq (op, Color_bg, str, st);
3551 break;
2946#ifndef NO_CURSORCOLOR 3552#ifndef NO_CURSORCOLOR
2947 case XTerm_Color_cursor: 3553 case XTerm_Color_cursor:
2948 rxvt_set_window_color(aR_ Color_cursor, str); 3554 process_color_seq (op, Color_cursor, str, st);
2949 break; 3555 break;
2950#endif 3556#endif
2951 case XTerm_Color_pointer: 3557 case XTerm_Color_pointer_fg:
2952 rxvt_set_window_color(aR_ Color_pointer, str); 3558 process_color_seq (op, Color_pointer_fg, str, st);
2953 break; 3559 break;
3560 case XTerm_Color_pointer_bg:
3561 process_color_seq (op, Color_pointer_bg, str, st);
3562 break;
3563#ifdef OPTION_HC
3564 case XTerm_Color_HC:
3565 process_color_seq (op, Color_HC, str, st);
3566 break;
3567 case XTerm_Color_HTC:
3568 process_color_seq (op, Color_HTC, str, st);
3569 break;
3570#endif
2954#ifndef NO_BOLD_UNDERLINE_REVERSE 3571#ifndef NO_BOLD_UNDERLINE_REVERSE
2955 case XTerm_Color_BD: 3572 case URxvt_Color_BD:
2956 rxvt_set_window_color(aR_ Color_BD, str); 3573 process_color_seq (op, Color_BD, str, st);
2957 break; 3574 break;
2958 case XTerm_Color_UL: 3575 case URxvt_Color_UL:
2959 rxvt_set_window_color(aR_ Color_UL, str); 3576 process_color_seq (op, Color_UL, str, st);
2960 break; 3577 break;
2961 case XTerm_Color_RV: 3578 case URxvt_Color_IT:
2962 rxvt_set_window_color(aR_ Color_RV, str); 3579 process_color_seq (op, Color_IT, str, st);
2963 break; 3580 break;
2964#endif 3581#endif
3582 case URxvt_Color_border:
3583 process_color_seq (op, Color_border, str, st);
3584 break;
2965 3585
2966 case XTerm_Menu:
2967 /*
2968 * rxvt_menubar_dispatch() violates the constness of the string,
2969 * so DON'T do it here
2970 */
2971 break;
2972 case XTerm_Pixmap:
2973 if (*str != ';') {
2974#if XPM_BACKGROUND
2975 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2976 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2977#endif
2978 rxvt_scr_touch(aR_ True);
2979 }
2980 while ((str = STRCHR(str, ';')) != NULL) {
2981 str++;
2982#if XPM_BACKGROUND
2983 changed += rxvt_scale_pixmap(aR_ str);
2984#endif
2985 }
2986 if (changed) {
2987#ifdef XPM_BACKGROUND
2988 rxvt_resize_pixmap(aR);
2989#endif
2990 rxvt_scr_touch(aR_ True);
2991 }
2992 break;
2993
2994 case XTerm_restoreFG:
2995 rxvt_set_window_color(aR_ Color_fg, str);
2996 break;
2997 case XTerm_restoreBG:
2998 rxvt_set_window_color(aR_ Color_bg, str);
2999 break;
3000 case XTerm_logfile: 3586 case XTerm_logfile:
3001 break; 3587 // TODO, when secure mode?
3002 case XTerm_font: 3588 break;
3003 rxvt_change_font(aR_ 0, str); 3589
3004 break;
3005#if 0 3590#if 0
3006 case XTerm_dumpscreen: /* no error notices */ 3591 case Rxvt_dumpscreen: /* no error notices */
3007 { 3592 {
3008 int fd; 3593 int fd;
3009 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) { 3594 if ((fd = open (str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0)
3010 rxvt_scr_dump(aR_ fd); 3595 {
3011 close(fd); 3596 scr_dump (fd);
3012 } 3597 close (fd);
3013 } 3598 }
3014 break; 3599 }
3600 break;
3601#endif
3602 case XTerm_font:
3603 op = URxvt_font;
3604 case URxvt_font:
3605#if ENABLE_STYLES
3606 case URxvt_boldFont:
3607 case URxvt_italicFont:
3608 case URxvt_boldItalicFont:
3609#endif
3610 if (query)
3611 tt_printf ("\33]%d;%-.250s%s", saveop,
3612 option (Opt_insecure) && fontset[op - URxvt_font]->fontdesc
3613 ? fontset[op - URxvt_font]->fontdesc : "",
3614 st.v);
3615 else
3616 {
3617 const char *&res = rs[Rs_font + (op - URxvt_font)];
3618
3619 res = strdup (str);
3620 allocated.push_back ((void *)res);
3621 set_fonts ();
3622 }
3623 break;
3624
3625 case URxvt_version:
3626 if (query)
3627 tt_printf ("\33]%d;rxvt-unicode;%-.20s;%c;%c%s",
3628 op,
3629 rs[Rs_name], VERSION[0], VERSION[2],
3630 st.v);
3631 break;
3632
3633#if !ENABLE_MINIMAL
3634 case URxvt_cellinfo:
3635 if (query)
3636 tt_printf ("\33]%d;%d;%d;%d%s", saveop,
3637 fwidth, fheight, fbase,
3638 st.v);
3639 break;
3640
3641 case URxvt_locale:
3642 if (query)
3643 tt_printf ("\33]%d;%-.250s%s", op, option (Opt_insecure) ? locale : "", st.v);
3644 else
3645 {
3646 set_locale (str);
3647 pty->set_utf8_mode (enc_utf8);
3648 init_xlocale ();
3649 }
3650 break;
3651
3652 case URxvt_view_up:
3653 case URxvt_view_down:
3654 {
3655 int lines = atoi (str);
3656
3657 if (lines)
3658 scr_page (op == URxvt_view_up ? UP : DN, lines);
3659 else
3660 scr_erase_savelines ();
3661 }
3662
3663 break;
3664#endif
3665
3666#if ENABLE_PERL
3667 case URxvt_perl:
3668 HOOK_INVOKE ((this, HOOK_OSC_SEQ_PERL, DT_STR, str, DT_STR, st.v, DT_END));
3669 break;
3015#endif 3670#endif
3016 } 3671 }
3017} 3672}
3018/*----------------------------------------------------------------------*/ 3673/*----------------------------------------------------------------------*/
3019 3674
… …
3025 * 's' = save 3680 * 's' = save
3026 * 'r' = restore 3681 * 'r' = restore
3027 * 't' = toggle 3682 * 't' = toggle
3028 * so no need for fancy checking 3683 * so no need for fancy checking
3029 */ 3684 */
3030/* INTPROTO */ 3685int ecb_cold
3031int
3032rxvt_privcases(pR_ int mode, unsigned long bit) 3686rxvt_term::privcases (int mode, unsigned long bit)
3033{ 3687{
3034 int state; 3688 int state;
3035 3689
3036 if (mode == 's') { 3690 if (mode == 's')
3037 R->SavedModes |= (R->PrivateModes & bit); 3691 {
3038 return -1; 3692 if (priv_modes & bit)
3693 SavedModes |= bit;
3039 } else { 3694 else
3695 SavedModes &= ~bit;
3696 return -1;
3697 }
3698 else
3699 {
3040 if (mode == 'r') 3700 if (mode == 'r')
3041 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */ 3701 state = (SavedModes & bit) ? 1 : 0; /* no overlapping */
3042 else 3702 else
3043 state = (mode == 't') ? !(R->PrivateModes & bit) : mode; 3703 state = (mode == 't') ? ! (priv_modes & bit) : mode;
3044 PrivMode(state, bit); 3704
3705 if (state)
3706 priv_modes |= bit;
3707 else
3708 priv_modes &= ~bit;
3045 } 3709 }
3710
3046 return state; 3711 return state;
3047} 3712}
3048 3713
3049/* we're not using priv _yet_ */ 3714/* we're not using priv _yet_ */
3050/* INTPROTO */
3051void 3715void
3052rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg) 3716rxvt_term::process_terminal_mode (int mode, int priv ecb_unused, unsigned int nargs, const int *arg)
3053{ 3717{
3054 unsigned int i, j; 3718 unsigned int i, j;
3055 int state; 3719 int state;
3720
3056 static const struct { 3721 static const struct
3722 {
3057 const int argval; 3723 const int argval;
3058 const unsigned long bit; 3724 const unsigned long bit;
3059 } argtopriv[] = { 3725 } argtopriv[] = {
3060 { 1, PrivMode_aplCUR }, 3726 { 1, PrivMode_aplCUR }, // DECCKM
3061 { 2, PrivMode_vt52 }, 3727 { 2, PrivMode_vt52 }, // DECANM
3062 { 3, PrivMode_132 }, 3728 { 3, PrivMode_132 }, // DECCOLM
3063 { 4, PrivMode_smoothScroll }, 3729 { 4, PrivMode_smoothScroll }, // DECSCLM
3064 { 5, PrivMode_rVideo }, 3730 { 5, PrivMode_rVideo }, // DECSCNM
3065 { 6, PrivMode_relOrigin }, 3731 { 6, PrivMode_relOrigin }, // DECOM
3066 { 7, PrivMode_Autowrap }, 3732 { 7, PrivMode_Autowrap }, // DECAWM
3067 { 9, PrivMode_MouseX10 }, 3733 // 8, auto-repeat keys // DECARM
3068#ifdef menuBar_esc 3734 { 9, PrivMode_MouseX10 },
3069 { menuBar_esc, PrivMode_menuBar }, 3735 { 12, PrivMode_BlinkingCursor },
3070#endif 3736 // 18 end FF to printer after print screen
3737 // 19 Print screen prints full screen/scroll region
3738 { 25, PrivMode_VisibleCursor }, // DECTCEM cnorm/cvvis/civis
3071#ifdef scrollBar_esc 3739#ifdef scrollBar_esc
3072 { scrollBar_esc, PrivMode_scrollBar }, 3740 { scrollBar_esc, PrivMode_scrollBar },
3073#endif 3741#endif
3074 { 25, PrivMode_VisibleCursor }, 3742 { 35, PrivMode_ShiftKeys }, // rxvt extension
3075 { 35, PrivMode_ShiftKeys }, 3743 // 38, tektronix mode // DECTEK
3076 { 40, PrivMode_132OK }, 3744 { 40, PrivMode_132OK },
3077 { 47, PrivMode_Screen }, 3745 // 41 xterm more fixes NYI
3078 { 66, PrivMode_aplKP }, 3746 // 45 margin bell NYI
3747 // 46 start logging
3748 { 47, PrivMode_Screen },
3749 { 66, PrivMode_aplKP }, // DECNKM
3079#ifndef NO_BACKSPACE_KEY 3750#ifndef NO_BACKSPACE_KEY
3080 { 67, PrivMode_BackSpace }, 3751 { 67, PrivMode_BackSpace }, // DECBKM
3081#endif 3752#endif
3082 { 1000, PrivMode_MouseX11 }, 3753 { 1000, PrivMode_MouseX11 },
3083 { 1010, PrivMode_TtyOutputInh }, 3754 { 1002, PrivMode_MouseBtnEvent },
3084 { 1011, PrivMode_Keypress }, 3755 { 1003, PrivMode_MouseAnyEvent },
3085 { 1047, PrivMode_Screen }, 3756#if ENABLE_FRILLS
3086 }; 3757 { 1004, PrivMode_FocusEvent },
3758 { 1005, PrivMode_ExtMouseUTF8 },
3759 { 1006, PrivMode_ExtMouseSGR },
3760#endif
3761 { 1010, PrivMode_TtyOutputInh }, // rxvt extension
3762 { 1011, PrivMode_Keypress }, // rxvt extension
3763#if ENABLE_FRILLS
3764 { 1015, PrivMode_ExtMouseUrxvt }, // urxvt extension of 1005
3765#endif
3766 // 1035 enable modifiers for alt, numlock NYI
3767 // 1036 send ESC for meta keys NYI
3768 // 1037 send DEL for keypad delete NYI
3769 { 1047, PrivMode_Screen },
3770 // 1048 save and restore cursor, implemented in code
3771 { 1049, PrivMode_Screen }, /* xterm extension, clear screen on ti rather than te */
3772 // 1051, 1052, 1060, 1061 keyboard emulation NYI
3773#if ENABLE_FRILLS
3774 { 2004, PrivMode_BracketPaste },
3775#endif
3776 };
3087 3777
3088 if (nargs == 0) 3778 if (nargs == 0)
3089 return; 3779 return;
3090 3780
3781 // DECRQM
3782 if (mode == 'p')
3783 {
3784 int status = 0;
3785 if (nargs != 1)
3786 return;
3787
3788 for (j = 0; j < ecb_array_length (argtopriv); j++)
3789 if (argtopriv[j].argval == arg[0])
3790 {
3791 status = (priv_modes & argtopriv[j].bit) ? 1 : 2;
3792 break;
3793 }
3794
3795 tt_printf ("\33[?%d;%d$y", arg[0], status);
3796 return;
3797 }
3798
3091/* make lo/hi boolean */ 3799 /* make lo/hi boolean */
3092 if (mode == 'l') 3800 if (mode == 'l')
3093 mode = 0; /* reset */ 3801 mode = 0; /* reset */
3094 else if (mode == 'h') 3802 else if (mode == 'h')
3095 mode = 1; /* set */ 3803 mode = 1; /* set */
3096 3804
3097 for (i = 0; i < nargs; i++) { 3805 for (i = 0; i < nargs; i++)
3806 {
3098 state = -1; 3807 state = -1;
3099 3808
3100 /* basic handling */ 3809 /* basic handling */
3101 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++) 3810 for (j = 0; j < ecb_array_length (argtopriv); j++)
3102 if (argtopriv[j].argval == arg[i]) { 3811 if (argtopriv[j].argval == arg[i])
3812 {
3103 state = rxvt_privcases(aR_ mode, argtopriv[j].bit); 3813 state = privcases (mode, argtopriv[j].bit);
3104 break; 3814 break;
3105 } 3815 }
3106 3816
3107 /* extra handling for values with state unkept */ 3817 /* extra handling for values with state unkept */
3108 if (state == -1)
3109 switch (arg[i]) { 3818 switch (arg[i])
3819 {
3820#if ENABLE_STYLES
3821 case 1021:
3822 set_option (Opt_intensityStyles, mode);
3823
3824 scr_touch (true);
3825 break;
3826#endif
3110 case 1048: /* alternative cursor save */ 3827 case 1048: /* alternative cursor save */
3111 if (mode == 0) 3828 if (option (Opt_secondaryScreen))
3112 rxvt_scr_cursor(aR_ RESTORE); 3829 if (mode == 0)
3113 else if (mode == 1) 3830 scr_cursor (RESTORE);
3114 rxvt_scr_cursor(aR_ SAVE); 3831 else if (mode == 1)
3115 /* FALLTHROUGH */ 3832 scr_cursor (SAVE);
3116 default: 3833 break;
3117 continue; /* for(;i;) */ 3834 }
3118 }
3119 3835
3836 if (state >= 0)
3120 /* extra handling for values with valid 0 or 1 state */ 3837 /* extra handling for values with valid 0 or 1 state */
3121 switch (arg[i]) { 3838 switch (arg[i])
3839 {
3122 /* case 1: - application cursor keys */ 3840 /* case 1: - application cursor keys */
3123 case 2: /* VT52 mode */ 3841 case 2: /* VT52 mode */
3124 /* oddball mode. should be set regardless of set/reset 3842 /* oddball mode. should be set regardless of set/reset
3125 * parameter. Return from VT52 mode with an ESC < from 3843 * parameter. Return from VT52 mode with an ESC < from
3126 * within VT52 mode 3844 * within VT52 mode
3127 */ 3845 */
3128 PrivMode(1, PrivMode_vt52); 3846 priv_modes |= PrivMode_vt52;
3129 break; 3847 break;
3130 case 3: /* 80/132 */ 3848 case 3: /* 80/132 */
3131 if (R->PrivateModes & PrivMode_132OK) 3849 if (priv_modes & PrivMode_132OK)
3132 rxvt_set_widthheight(aR_ 3850 set_widthheight ((state ? 132 : 80) * fwidth, 24 * fheight);
3133 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth), 3851 break;
3134 (unsigned int)R->TermWin.height);
3135 break;
3136 case 4: /* smooth scrolling */ 3852 case 4: /* smooth scrolling */
3137 if (state) 3853 set_option (Opt_jumpScroll, !state);
3138 R->Options &= ~Opt_jumpScroll; 3854 break;
3139 else
3140 R->Options |= Opt_jumpScroll;
3141 break;
3142 case 5: /* reverse video */ 3855 case 5: /* reverse video */
3143 rxvt_scr_rvideo_mode(aR_ state); 3856 scr_rvideo_mode (state);
3144 break; 3857 break;
3145 case 6: /* relative/absolute origins */ 3858 case 6: /* relative/absolute origins */
3146 rxvt_scr_relative_origin(aR_ state); 3859 scr_relative_origin (state);
3147 break; 3860 break;
3148 case 7: /* autowrap */ 3861 case 7: /* autowrap */
3149 rxvt_scr_autowrap(aR_ state); 3862 scr_autowrap (state);
3150 break; 3863 break;
3151 /* case 8: - auto repeat, can't do on a per window basis */ 3864 /* case 8: - auto repeat, can't do on a per window basis */
3152 case 9: /* X10 mouse reporting */ 3865 case 9: /* X10 mouse reporting */
3153 if (state) /* orthogonal */ 3866 if (state) /* orthogonal */
3154 R->PrivateModes &= ~(PrivMode_MouseX11); 3867 priv_modes &= ~(PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3155 break; 3868 break;
3156#ifdef menuBar_esc
3157 case menuBar_esc:
3158#ifdef MENUBAR
3159 rxvt_map_menuBar(aR_ state);
3160#endif
3161 break;
3162#endif
3163#ifdef scrollBar_esc 3869#ifdef scrollBar_esc
3164 case scrollBar_esc: 3870 case scrollBar_esc:
3165 if (rxvt_scrollbar_mapping(aR_ state)) { 3871 scrollBar.map (state);
3166 rxvt_resize_all_windows(aR_ 0, 0, 0); 3872 resize_all_windows (0, 0, 0);
3167 rxvt_scr_touch(aR_ True); 3873 scr_touch (true);
3168 } 3874 break;
3169 break;
3170#endif 3875#endif
3876#ifdef CURSOR_BLINK
3877 case 12:
3878 cursor_blink_reset ();
3879 break;
3880#endif
3171 case 25: /* visible/invisible cursor */ 3881 case 25: /* visible/invisible cursor */
3172 rxvt_scr_cursor_visible(aR_ state); 3882 scr_cursor_visible (state);
3173 break; 3883 break;
3174 /* case 35: - shift keys */ 3884 /* case 35: - shift keys */
3175 /* case 40: - 80 <--> 132 mode */ 3885 /* case 40: - 80 <--> 132 mode */
3176 case 47: /* secondary screen */ 3886 case 47: /* secondary screen */
3177 rxvt_scr_change_screen(aR_ state); 3887 scr_change_screen (state);
3178 break; 3888 break;
3179 /* case 66: - application key pad */ 3889 /* case 66: - application key pad */
3180 /* case 67: - backspace key */ 3890 /* case 67: - backspace key */
3181 case 1000: /* X11 mouse reporting */ 3891 case 1000: /* X11 mouse reporting */
3182 if (state) /* orthogonal */ 3892 if (state) /* orthogonal */
3183 R->PrivateModes &= ~(PrivMode_MouseX10); 3893 priv_modes &= ~(PrivMode_MouseX10|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3184 break; 3894 break;
3185#if 0 3895 case 1002:
3186 case 1001: 3896 case 1003:
3187 break; /* X11 mouse highlighting */ 3897 if (state)
3188#endif 3898 {
3899 priv_modes &= ~(PrivMode_MouseX10|PrivMode_MouseX11);
3900 priv_modes &= arg[i] == 1003 ? ~PrivMode_MouseBtnEvent : ~PrivMode_MouseAnyEvent;
3901 mouse_row = mouse_col = 0;
3902 vt_emask_mouse = PointerMotionMask;
3903 }
3904 else
3905 vt_emask_mouse = NoEventMask;
3906
3907 vt_select_input ();
3908 break;
3189 case 1010: /* scroll to bottom on TTY output inhibit */ 3909 case 1010: /* scroll to bottom on TTY output inhibit */
3190 if (state) 3910 set_option (Opt_scrollTtyOutput, !state);
3191 R->Options &= ~Opt_scrollTtyOutput; 3911 break;
3192 else
3193 R->Options |= Opt_scrollTtyOutput;
3194 break;
3195 case 1011: /* scroll to bottom on key press */ 3912 case 1011: /* scroll to bottom on key press */
3196 if (state) 3913 set_option (Opt_scrollTtyKeypress, state);
3197 R->Options |= Opt_scrollTtyKeypress; 3914 break;
3198 else
3199 R->Options &= ~Opt_scrollTtyKeypress;
3200 break;
3201 case 1047: /* secondary screen w/ clearing */ 3915 case 1047: /* secondary screen w/ clearing last */
3202 if (R->current_screen != PRIMARY) 3916 if (option (Opt_secondaryScreen))
3203 rxvt_scr_erase_screen(aR_ 2); 3917 if (!state)
3204 rxvt_scr_change_screen(aR_ state); 3918 scr_erase_screen (2);
3205 /* FALLTHROUGH */ 3919
3206 default: 3920 scr_change_screen (state);
3207 break; 3921 break;
3208 } 3922 case 1049: /* secondary screen w/ clearing first */
3923 if (option (Opt_secondaryScreen))
3924 if (state)
3925 scr_cursor (SAVE);
3926
3927 scr_change_screen (state);
3928
3929 if (option (Opt_secondaryScreen))
3930 if (state)
3931 scr_erase_screen (2);
3932 else
3933 scr_cursor (RESTORE);
3934 break;
3935 default:
3936 break;
3937 }
3209 } 3938 }
3210} 3939}
3211/*}}} */ 3940/*}}} */
3212 3941
3213/*{{{ process sgr sequences */ 3942/*{{{ process sgr sequences */
3214/* INTPROTO */ 3943void ecb_hot
3944rxvt_term::process_sgr_mode (unsigned int nargs, const int *arg)
3945{
3946 unsigned int i;
3947 short rendset;
3948 int rendstyle;
3949
3950 if (nargs == 0)
3951 {
3952 scr_rendition (0, ~RS_None);
3953 return;
3954 }
3955
3956 for (i = 0; i < nargs; i++)
3957 {
3958 rendset = -1;
3959 switch (arg[i])
3960 {
3961 case 0:
3962 rendset = 0, rendstyle = ~RS_None;
3963 break;
3964 case 1:
3965 rendset = 1, rendstyle = RS_Bold;
3966 break;
3967 //case 2: // low intensity
3968 case 3:
3969 rendset = 1, rendstyle = RS_Italic;
3970 break;
3971 case 4:
3972 rendset = 1, rendstyle = RS_Uline;
3973 break;
3974 case 5: // slowly blinking
3975 case 6: // rapidly blinking
3976 rendset = 1, rendstyle = RS_Blink;
3977 break;
3978 //case 6: // scoansi light background
3979 case 7:
3980 rendset = 1, rendstyle = RS_RVid;
3981 break;
3982 case 8:
3983 // invisible. NYI
3984 break;
3985 //case 9: // crossed out
3986 //case 10: // scoansi acs off, primary font
3987 //case 11: // scoansi acs on, first alt font
3988 //case 12: // scoansi acs on, |0x80, second alt font
3989 //...
3990 //case 19: // ninth alt font
3991 //case 20: // gothic
3992 case 21: // disable bold, faint, sometimes doubly underlined (iso 8613)
3993 rendset = 0, rendstyle = RS_Bold;
3994 break;
3995 case 22: // bold off (vt220)
3996 rendset = 0, rendstyle = RS_Bold;
3997 break;
3998 case 23: // disable italic
3999 rendset = 0, rendstyle = RS_Italic;
4000 break;
4001 case 24: // underline off (vt220)
4002 rendset = 0, rendstyle = RS_Uline;
4003 break;
4004 case 25: // blink off (vt220)
4005 rendset = 0, rendstyle = RS_Blink;
4006 break;
4007 case 26: // variable spacing (iso 8613)
4008 rendset = 0, rendstyle = RS_Blink;
4009 break;
4010 case 27: // reverse off (vt220)
4011 rendset = 0, rendstyle = RS_RVid;
4012 break;
4013 //case 28: // visible. NYI
4014 //case 29: // not crossed-out
4015 }
4016
4017 if (rendset != -1)
4018 {
4019 scr_rendition (rendset, rendstyle);
4020 continue; /* for (;i;) */
4021 }
4022
4023 switch (arg[i])
4024 {
4025 case 30:
4026 case 31: /* set fg color */
4027 case 32:
4028 case 33:
4029 case 34:
4030 case 35:
4031 case 36:
4032 case 37:
4033 scr_color ((unsigned int) (minCOLOR + (arg[i] - 30)), Color_fg);
4034 break;
4035 case 39: /* default fg */
4036 scr_color (Color_fg, Color_fg);
4037 break;
4038
4039 case 40:
4040 case 41: /* set bg color */
4041 case 42:
4042 case 43:
4043 case 44:
4044 case 45:
4045 case 46:
4046 case 47:
4047 scr_color ((unsigned int) (minCOLOR + (arg[i] - 40)), Color_bg);
4048 break;
4049 case 49: /* default bg */
4050 scr_color (Color_bg, Color_bg);
4051 break;
4052
4053 case 38: // set fg color, ISO 8613-6
4054 case 48: // set bg color, ISO 8613-6
4055 {
4056 unsigned int fgbg = arg[i] == 38 ? Color_fg : Color_bg;
4057 unsigned int idx;
4058
4059 if (nargs > i + 2 && arg[i + 1] == 5)
4060 {
4061 idx = minCOLOR + arg[i + 2];
4062 i += 2;
4063
4064 scr_color (idx, fgbg);
4065 }
4066 else if (nargs > i + 4 && arg[i + 1] == 2)
4067 {
4068 unsigned int r = arg[i + 2];
4069 unsigned int g = arg[i + 3];
4070 unsigned int b = arg[i + 4];
4071 unsigned int a = 0xff;
4072
4073 idx = map_rgb24_color (r, g, b, a);
4074
4075 i += 4;
4076
4077 scr_color (idx, fgbg);
4078 }
4079 }
4080 break;
4081
4082 //case 50: // not variable spacing
4083
4084#if !ENABLE_MINIMAL
4085 case 90:
4086 case 91: /* set bright fg color */
4087 case 92:
4088 case 93:
4089 case 94:
4090 case 95:
4091 case 96:
4092 case 97:
4093 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 90)), Color_fg);
4094 break;
4095 case 100:
4096 case 101: /* set bright bg color */
4097 case 102:
4098 case 103:
4099 case 104:
4100 case 105:
4101 case 106:
4102 case 107:
4103 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 100)), Color_bg);
4104 break;
4105#endif
4106 }
4107 }
4108}
4109
3215void 4110void
3216rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg) 4111rxvt_term::set_cursor_style (int style)
3217{ 4112{
3218 unsigned int i; 4113 if (!IN_RANGE_INC (style, 0, 6))
3219 short rendset; 4114 return;
3220 int rendstyle;
3221 4115
3222 if (nargs == 0) { 4116 if (style == 0)
3223 rxvt_scr_rendition(aR_ 0, ~RS_None); 4117 style = 1;
3224 return;
3225 }
3226 for (i = 0; i < nargs; i++) {
3227 rendset = -1;
3228 switch (arg[i]) {
3229 case 0:
3230 rendset = 0, rendstyle = ~RS_None;
3231 break;
3232 case 1:
3233 rendset = 1, rendstyle = RS_Bold;
3234 break;
3235 case 4:
3236 rendset = 1, rendstyle = RS_Uline;
3237 break;
3238 case 5:
3239 rendset = 1, rendstyle = RS_Blink;
3240 break;
3241 case 7:
3242 rendset = 1, rendstyle = RS_RVid;
3243 break;
3244 case 22:
3245 rendset = 0, rendstyle = RS_Bold;
3246 break;
3247 case 24:
3248 rendset = 0, rendstyle = RS_Uline;
3249 break;
3250 case 25:
3251 rendset = 0, rendstyle = RS_Blink;
3252 break;
3253 case 27:
3254 rendset = 0, rendstyle = RS_RVid;
3255 break;
3256 }
3257 if (rendset != -1) {
3258 rxvt_scr_rendition(aR_ rendset, rendstyle);
3259 continue; /* for(;i;) */
3260 }
3261 4118
3262 switch (arg[i]) { 4119 cursor_type = (style - 1) / 2;
3263 case 30: 4120 set_option (Opt_cursorUnderline, cursor_type == 1);
3264 case 31: /* set fg color */
3265 case 32:
3266 case 33:
3267 case 34:
3268 case 35:
3269 case 36:
3270 case 37:
3271 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3272 Color_fg);
3273 break;
3274#ifdef TTY_256COLOR
3275 case 38:
3276 if (nargs > i + 2 && arg[i + 1] == 5) {
3277 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3278 Color_fg);
3279 i += 2;
3280 }
3281 break;
3282#endif
3283 case 39: /* default fg */
3284 rxvt_scr_color(aR_ Color_fg, Color_fg);
3285 break;
3286 4121
3287 case 40: 4122#ifdef CURSOR_BLINK
3288 case 41: /* set bg color */ 4123 set_option (Opt_cursorBlink, style & 1);
3289 case 42: 4124 cursor_blink_reset ();
3290 case 43:
3291 case 44:
3292 case 45:
3293 case 46:
3294 case 47:
3295 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3296 Color_bg);
3297 break;
3298#ifdef TTY_256COLOR
3299 case 48:
3300 if (nargs > i + 2 && arg[i + 1] == 5) {
3301 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3302 Color_bg);
3303 i += 2;
3304 }
3305 break;
3306#endif 4125#endif
3307 case 49: /* default bg */
3308 rxvt_scr_color(aR_ Color_bg, Color_bg);
3309 break;
3310 4126
3311#ifndef NO_BRIGHTCOLOR 4127 want_refresh = 1;
3312 case 90:
3313 case 91: /* set bright fg color */
3314 case 92:
3315 case 93:
3316 case 94:
3317 case 95:
3318 case 96:
3319 case 97:
3320 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3321 Color_fg);
3322 break;
3323 case 100:
3324 case 101: /* set bright bg color */
3325 case 102:
3326 case 103:
3327 case 104:
3328 case 105:
3329 case 106:
3330 case 107:
3331 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3332 Color_bg);
3333 break;
3334#endif
3335 }
3336 }
3337} 4128}
3338/*}}} */ 4129/*}}} */
3339 4130
3340/*{{{ process Rob Nation's own graphics mode sequences */
3341/* INTPROTO */
3342void
3343rxvt_process_graphics(pR)
3344{
3345 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3346
3347#ifndef RXVT_GRAPHICS
3348 if (cmd == 'Q') { /* query graphics */
3349 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3350 return;
3351 }
3352/* swallow other graphics sequences until terminating ':' */
3353 do
3354 ch = rxvt_cmd_getc(aR);
3355 while (ch != ':');
3356#else
3357 unsigned int nargs;
3358 int args[NGRX_PTS];
3359 unsigned char *text = NULL;
3360
3361 if (cmd == 'Q') { /* query graphics */
3362 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3363 return;
3364 }
3365 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3366 int neg;
3367
3368 ch = rxvt_cmd_getc(aR);
3369 neg = (ch == '-');
3370 if (neg || ch == '+')
3371 ch = rxvt_cmd_getc(aR);
3372
3373 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3374 args[nargs] = args[nargs] * 10 + (ch - '0');
3375 if (neg)
3376 args[nargs] = -args[nargs];
3377
3378 nargs++;
3379 args[nargs] = 0;
3380 if (ch != ';')
3381 break;
3382 }
3383
3384 if ((cmd == 'T') && (nargs >= 5)) {
3385 int i, len = args[4];
3386
3387 text = rxvt_malloc((len + 1) * sizeof(char));
3388
3389 if (text != NULL) {
3390 for (i = 0; i < len; i++)
3391 text[i] = rxvt_cmd_getc(aR);
3392 text[len] = '\0';
3393 }
3394 }
3395 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3396#endif
3397}
3398/*}}} */
3399
3400/* ------------------------------------------------------------------------- */ 4131/* ---------------------------------------------------------------------- */
4132/* Write data to the pty as typed by the user, pasted with the mouse,
4133 * or generated by us in response to a query ESC sequence.
4134 */
3401 4135
3402/* 4136/*
3403 * Send printf() formatted output to the command. 4137 * Send printf () formatted output to the command.
3404 * Only use for small amounts of data. 4138 * Only use for small amounts of data.
3405 */ 4139 */
3406/* EXTPROTO */
3407void 4140void
3408rxvt_tt_printf(pR_ const char *fmt,...) 4141rxvt_term::tt_printf (const char *fmt,...)
3409{ 4142{
3410 va_list arg_ptr; 4143 va_list arg_ptr;
3411 unsigned char buf[256]; 4144 char buf[256];
3412 4145
3413 va_start(arg_ptr, fmt); 4146 va_start (arg_ptr, fmt);
3414 vsprintf((char *)buf, fmt, arg_ptr); 4147 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3415 va_end(arg_ptr); 4148 va_end (arg_ptr);
3416 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf)); 4149 tt_write (buf, strlen (buf));
3417} 4150}
3418 4151
3419/* ---------------------------------------------------------------------- */ 4152/* Write data to the pty as typed by the user. */
3420/* Addresses pasting large amounts of data and rxvt hang
3421 * code pinched from xterm (v_write()) and applied originally to
3422 * rxvt-2.18 - Hops
3423 * Write data to the pty as typed by the user, pasted with the mouse,
3424 * or generated by us in response to a query ESC sequence.
3425 */
3426/* EXTPROTO */
3427void 4153void
3428rxvt_tt_write(pR_ const unsigned char *d, unsigned int len) 4154rxvt_term::tt_write_user_input (const char *data, unsigned int len)
3429{ 4155{
3430#define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */ 4156 if (HOOK_INVOKE ((this, HOOK_TT_WRITE, DT_STR_LEN, data, len, DT_END)))
3431 int riten; 4157 return;
3432 unsigned int p;
3433 unsigned char *v_buffer, /* start of physical buffer */
3434 *v_bufstr, /* start of current buffer pending */
3435 *v_bufptr, /* end of current buffer pending */
3436 *v_bufend; /* end of physical buffer */
3437 4158
3438 if (R->v_bufstr == NULL && len > 0) { 4159 if (option (Opt_scrollTtyKeypress))
3439 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4160 if (view_start)
3440 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p); 4161 {
3441 v_bufend = v_buffer + p; 4162 view_start = 0;
3442 } else { 4163 want_refresh = 1;
3443 v_buffer = R->v_buffer;
3444 v_bufstr = R->v_bufstr;
3445 v_bufptr = R->v_bufptr;
3446 v_bufend = R->v_bufend;
3447 } 4164 }
3448 4165
3449 /* 4166 tt_write_ (data, len);
3450 * Append to the block we already have. Always doing this simplifies the 4167}
3451 * code, and isn't too bad, either. If this is a short block, it isn't 4168
3452 * too expensive, and if this is a long block, we won't be able to write 4169void
3453 * it all anyway. 4170rxvt_term::tt_write (const char *data, unsigned int len)
3454 */ 4171{
3455 if (len > 0) { 4172 if (HOOK_INVOKE ((this, HOOK_TT_WRITE, DT_STR_LEN, data, len, DT_END)))
3456 if (v_bufend < v_bufptr + len) { /* run out of room */ 4173 return;
3457 if (v_bufstr != v_buffer) { 4174
3458 /* there is unused space, move everything down */ 4175 tt_write_ (data, len);
3459 MEMMOVE(v_buffer, v_bufstr, 4176}
3460 (unsigned int)(v_bufptr - v_bufstr)); 4177
3461 v_bufptr -= v_bufstr - v_buffer; 4178static const unsigned int MAX_PTY_WRITE = 255; // minimum MAX_INPUT
3462 v_bufstr = v_buffer; 4179
4180void
4181rxvt_term::tt_write_ (const char *data, unsigned int len)
4182{
4183 if (pty->pty < 0)
4184 return;
4185
4186 if (v_buflen == 0)
4187 {
4188 ssize_t written = write (pty->pty, data, min (len, MAX_PTY_WRITE));
4189
4190 max_it (written, 0);
4191
4192 if (written == len)
4193 return;
4194
4195 data += written;
4196 len -= written;
3463 } 4197 }
3464 if (v_bufend < v_bufptr + len) {
3465 /* still won't fit: get more space */
3466 /* use most basic realloc because an error is not fatal. */
3467 unsigned int size = v_bufptr - v_buffer;
3468 unsigned int reallocto;
3469 4198
3470 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4199 v_buffer = (char *)rxvt_realloc (v_buffer, v_buflen + len);
3471 v_buffer = (unsigned char *)realloc(v_buffer, reallocto); 4200
3472 /* save across realloc */ 4201 memcpy (v_buffer + v_buflen, data, len);
3473 if (v_buffer) { 4202 v_buflen += len;
3474 v_bufstr = v_buffer; 4203
3475 v_bufptr = v_buffer + size; 4204 pty_ev.set (ev::READ | ev::WRITE);
3476 v_bufend = v_buffer + reallocto; 4205}
3477 } else { /* no memory: ignore entire write request */ 4206
3478 rxvt_print_error("data loss: cannot allocate buffer space"); 4207void rxvt_term::pty_write ()
3479 v_buffer = v_bufstr; /* restore clobbered pointer */ 4208{
3480 } 4209 int written = write (pty->pty, v_buffer, min (v_buflen, MAX_PTY_WRITE));
4210
4211 if (written > 0)
4212 {
4213 v_buflen -= written;
4214
4215 if (v_buflen == 0)
4216 {
4217 free (v_buffer);
4218 v_buffer = 0;
4219
4220 pty_ev.set (ev::READ);
4221 return;
4222 }
4223
4224 memmove (v_buffer, v_buffer + written, v_buflen);
3481 } 4225 }
3482 } 4226 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3483 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */ 4227 pty_ev.set (ev::READ);
3484 MEMCPY(v_bufptr, d, len);
3485 v_bufptr += len;
3486 }
3487 }
3488
3489 /*
3490 * Write out as much of the buffer as we can.
3491 * Be careful not to overflow the pty's input silo.
3492 * We are conservative here and only write a small amount at a time.
3493 *
3494 * If we can't push all the data into the pty yet, we expect write
3495 * to return a non-negative number less than the length requested
3496 * (if some data written) or -1 and set errno to EAGAIN,
3497 * EWOULDBLOCK, or EINTR (if no data written).
3498 *
3499 * (Not all systems do this, sigh, so the code is actually
3500 * a little more forgiving.)
3501 */
3502 if ((p = v_bufptr - v_bufstr) > 0) {
3503 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3504 if (riten < 0)
3505 riten = 0;
3506 v_bufstr += riten;
3507 if (v_bufstr >= v_bufptr) /* we wrote it all */
3508 v_bufstr = v_bufptr = v_buffer;
3509 }
3510 /*
3511 * If we have lots of unused memory allocated, return it
3512 */
3513 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3514 /* save pointers across realloc */
3515 unsigned int start = v_bufstr - v_buffer;
3516 unsigned int size = v_bufptr - v_buffer;
3517 unsigned int reallocto;
3518
3519 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3520 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3521 if (v_buffer) {
3522 v_bufstr = v_buffer + start;
3523 v_bufptr = v_buffer + size;
3524 v_bufend = v_buffer + reallocto;
3525 } else {
3526 /* should we print a warning if couldn't return memory? */
3527 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3528 }
3529 }
3530 R->v_buffer = v_buffer;
3531 R->v_bufstr = v_bufstr;
3532 R->v_bufptr = v_bufptr;
3533 R->v_bufend = v_bufend;
3534} 4228}
4229
3535/*----------------------- end-of-file (C source) -----------------------*/ 4230/*----------------------- end-of-file (C source) -----------------------*/
3536 4231

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