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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 1.598 by sf-exg, Sun Sep 18 20:32:17 2022 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 XK_Return, 0x21b5,
90 XK_KP_Enter, 0x21b5,
91
92 XK_Prior, 0x21de,
93 XK_Next, 0x21df,
94 XK_Tab, 0x21e5,
95 XK_ISO_Left_Tab, 0x21e6,
96 XK_Shift_L, 0x21e7,
97 XK_Shift_R, 0x21e7,
98
99 XK_Shift_Lock, 0x21eb,
100 XK_ISO_Lock, 0x21eb,
101 XK_Caps_Lock, 0x21ec,
102 XK_Num_Lock, 0x21ed,
103 XK_ISO_Level3_Shift, 0x21ee,
104 XK_ISO_Level3_Lock, 0x21ef,
105 XK_ISO_Group_Lock, 0x21f0,
106 XK_Home, 0x21f1,
107 XK_End, 0x21f2,
108
109 XK_Execute, 0x2318,
110 XK_Begin, 0x2320,
111 XK_Delete, 0x2326,
112 XK_Clear, 0x2327,
113 XK_BackSpace, 0x232b,
114 XK_Insert, 0x2380,
115 XK_Control_L, 0x2388,
116 XK_Control_R, 0x2388,
117 XK_Pause, 0x2389,
118 XK_Break, 0x238a,
119 XK_Escape, 0x238b,
120 XK_Undo, 0x238c,
121 XK_Print, 0x2399,
122
123 XK_space, 0x2423,
124
125#ifdef XK_KP_Begin
126 XK_KP_Prior, 0x21de,
127 XK_KP_Next, 0x21df,
128 XK_KP_Begin, 0x2320,
129 XK_KP_Insert, 0x2380,
130 XK_KP_Delete, 0x2326,
131 XK_KP_Space, 0x2422,
132#endif
133 0,
134};
135
136void ecb_cold
137rxvt_term::iso14755_54 (int x, int y)
59{ 138{
60 int ctrl, meta, shft, len; 139 x = Pixel2Col (x);
61 unsigned int newlen; 140 y = Pixel2Row (y);
62 KeySym keysym; 141
63#ifdef DEBUG_CMD 142 if (!IN_RANGE_EXC (x, 0, ncol)
64 static int debug_key = 1; /* accessible by a debugger only */ 143 || !IN_RANGE_EXC (y, 0, nrow))
144 return;
145
146 for (;;)
147 {
148 const line_t &l = ROW(y + view_start);
149
150 text_t t = l.t[x];
151
152 if (t != NOCHAR || !x)
153 {
154 iso14755_51 (l.t[x], l.r[x], x, y, view_start);
155 iso14755buf = ISO_14755_54;
156 break;
157 }
158
159 x--;
160 }
161}
162
163void ecb_cold
164rxvt_term::iso14755_51 (unicode_t ch, rend_t r, int x, int y, int y2)
165{
166 rxvt_fontset *fs = FONTSET (r);
167 wchar_t *chr, *alloc, ch2, **fname;
168 int len;
169
170# if ENABLE_COMBINING
171 if (IS_COMPOSE (ch))
172 {
173 len = rxvt_composite.expand (ch);
174 alloc = chr = new wchar_t[len];
175 rxvt_composite.expand (ch, chr);
176 }
177 else
65#endif 178# endif
66#ifdef USE_XIM 179 {
67 int valid_keysym; 180 ch2 = ch;
181
182 alloc = 0;
183 chr = &ch2;
184 len = 1;
185 }
186
187 char rowcol[40];
188 snprintf (rowcol, sizeof rowcol, "col %d row %d @%d", x, y, y2);
189
190 char attr[80]; // plenty
191
192 sprintf (attr, "%08x = fg %d bg %d%s%s%s%s%s%s",
193 (int)r,
194 fgcolor_of (r), bgcolor_of (r),
195 r & RS_Bold ? " bold" : "",
196 r & RS_Italic ? " italic" : "",
197 r & RS_Blink ? " blink" : "",
198 r & RS_RVid ? " rvid" : "",
199 r & RS_Uline ? " uline" : "",
200 r & RS_Careful ? " careful" : "");
201
202 int width = 0;
203 fname = rxvt_temp_buf<wchar_t *> (len);
204 for (int i = 0; i < len; i++)
205 {
206 rxvt_font *f = (*fs)[fs->find_font_idx (chr[i])];
207 fname[i] = rxvt_utf8towcs (f->name);
208 max_it (width, wcswidth (fname[i], wcslen (fname[i])));
209 }
210
211 max_it (width, strlen (attr));
212
213 if (y >= 0)
214 {
215 y = (y >= nrow - len - 5 && x < width + 2) ? 0 : -1;
216 x = 0;
217 }
218
219 scr_overlay_new (x, y, width, len * 2 + 2);
220
221 scr_overlay_set (0, 0, rowcol);
222
223 r = SET_STYLE (OVERLAY_RSTYLE, GET_STYLE (r));
224
225 for (int y = 0; y < len; y++)
226 {
227 char buf[9];
228
229 ch = *chr++;
230
231 sprintf (buf, "%8x", ch);
232 scr_overlay_set (0, y + 1, buf);
233 scr_overlay_set (9, y + 1, '=');
234# if !UNICODE_3
235 if (ch >= 0x10000)
236 ch = 0xfffd;
68#endif 237# endif
69 unsigned char *kbuf = R->kbuf; 238 scr_overlay_set (11, y + 1, ch, r);
70 239
71/* 240 if (WCWIDTH (ch) >= 2)
241 scr_overlay_set (12, y + 1, NOCHAR, r);
242 }
243
244// {
245// char buf[4+4+3+1];
246// snprintf (buf, sizeof (buf), "(%.4d|%.4d)", x, y);
247// scr_overlay_set (0, 0, buf);
248// }
249 scr_overlay_set (0, len + 1, attr);
250 for (int i = 0; i < len; i++)
251 {
252 scr_overlay_set (0, len + 2 + i, fname[i]);
253 free (fname[i]);
254 }
255
256# if ENABLE_COMBINING
257 if (alloc)
258 delete [] alloc;
259# endif
260}
261#endif
262
263void ecb_cold
264rxvt_term::commit_iso14755 ()
265{
266 wchar_t ch = iso14755buf & ISO_14755_MASK;
267
268 if (iso14755buf & ISO_14755_51)
269 {
270 char mb[MB_LEN_MAX];
271 int len;
272
273 // allow verbatim 0-bytes and control-bytes to be entered
274 if (ch >= 0x20)
275 len = wctomb (mb, ch);
276 else
277 {
278 mb[0] = ch;
279 len = 1;
280 }
281
282 if (len > 0)
283 tt_write (mb, len);
284 else
285 scr_bell ();
286 }
287
288 iso14755buf = 0;
289}
290
291static int ecb_cold
292hex_keyval (XKeyEvent &ev)
293{
294 // check whether this event corresponds to a hex digit
295 // if the modifiers had not been pressed.
296 for (int index = 0; index < 8; index++)
297 {
298 KeySym k = XLookupKeysym (&ev, index);
299
300 if (k >= XK_KP_0 && k <= XK_KP_9) return k - XK_KP_0;
301 else if (k >= XK_0 && k <= XK_9) return k - XK_0;
302 else if (k >= XK_a && k <= XK_f) return k - XK_a + 10;
303 else if (k >= XK_A && k <= XK_F) return k - XK_A + 10;
304 }
305
306 return -1;
307}
308#endif
309
310static inline KeySym ecb_cold
311translate_keypad (KeySym keysym, bool kp)
312{
313#ifdef XK_KP_Home
314 static const KeySym keypadtrans[] = {
315 XK_KP_7, // XK_KP_Home
316 XK_KP_4, // XK_KP_Left
317 XK_KP_8, // XK_KP_Up
318 XK_KP_6, // XK_KP_Right
319 XK_KP_2, // XK_KP_Down
320 XK_KP_9, // XK_KP_Prior
321 XK_KP_3, // XK_KP_Next
322 XK_KP_1, // XK_KP_End
323 XK_KP_5, // XK_KP_Begin
324 };
325
326 if (IN_RANGE_INC (keysym, XK_KP_Home, XK_KP_Begin))
327 {
328 unsigned int index = keysym - XK_KP_Home;
329 keysym = kp ? keypadtrans[index] : XK_Home + index;
330 }
331 else if (keysym == XK_KP_Insert)
332 keysym = kp ? XK_KP_0 : XK_Insert;
333# ifndef NO_DELETE_KEY
334 else if (keysym == XK_KP_Delete)
335 keysym = kp ? XK_KP_Decimal : XK_Delete;
336# endif
337#endif
338 return keysym;
339}
340
341static inline int ecb_cold
342map_function_key (KeySym keysym)
343{
344 int param = 0;
345
346 if (IN_RANGE_INC (keysym, XK_F1, XK_F35))
347 {
348 param = 11 + keysym - XK_F1;
349 if (keysym >= XK_F17)
350 param += 4;
351 else if (keysym >= XK_F15)
352 param += 3;
353 else if (keysym >= XK_F11)
354 param += 2;
355 else if (keysym >= XK_F6)
356 param += 1;
357 }
358 else
359 switch (keysym)
360 {
361 case XK_Find:
362 param = 1;
363 break;
364 case XK_Insert:
365 param = 2;
366 break;
367#ifdef DXK_Remove
368 case DXK_Remove:
369#endif
370 case XK_Execute:
371 param = 3;
372 break;
373 case XK_Select:
374 param = 4;
375 break;
376 case XK_Prior:
377 param = 5;
378 break;
379 case XK_Next:
380 param = 6;
381 break;
382 case XK_Home:
383 param = 7;
384 break;
385 case XK_End:
386 param = 8;
387 break;
388 case XK_Help:
389 param = 28;
390 break;
391 case XK_Menu:
392 param = 29;
393 break;
394 }
395 return param;
396}
397
398static inline wchar_t *
399rxvt_wcsdup (const wchar_t *str, int len)
400{
401 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
402 memcpy (r, str, len * sizeof (wchar_t));
403 r[len] = 0;
404 return r;
405}
406
407void ecb_cold
408rxvt_term::key_press (XKeyEvent &ev)
409{
410 int ctrl, meta, shft, len;
411 KeySym keysym = NoSymbol;
412 char rkbuf[KBUFSZ + 1];
413 char *kbuf = rkbuf + 1;
414
415#if ISO_14755
416 if (iso14755buf & ISO_14755_52)
417 return;
418#endif
419
420 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an 421 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad. 422 * escape sequence to toggle the Keypad.
74 * 423 *
75 * Always permit `shift' to override the current setting 424 * Always permit `shift' to override the current setting
76 */ 425 */
77 shft = (ev->state & ShiftMask); 426 shft = ev.state & ShiftMask;
78 ctrl = (ev->state & ControlMask); 427 ctrl = ev.state & ControlMask;
79 meta = (ev->state & R->ModMetaMask); 428 meta = ev.state & ModMetaMask;
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) { 429
81 R->numlock_state = (ev->state & R->ModNumLockMask); 430 kbuf[0] = 0;
82 PrivMode((!R->numlock_state), PrivMode_aplKP); 431
83 }
84#ifdef USE_XIM 432#if USE_XIM
85 if (R->Input_Context != NULL) { 433 if (Input_Context)
86 Status status_return; 434 {
435 Status status_return;
87 436
88 kbuf[0] = '\0'; 437#if 0
89#ifdef X_HAVE_UTF8_STRING 438#ifdef X_HAVE_UTF8_STRING
439 if (enc_utf8 && 0) // currently disabled, doesn't seem to work, nor is useful
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf, 440 len = Xutf8LookupString (Input_Context, &ev, kbuf,
91 KBUFSZ, &keysym, &status_return); 441 KBUFSZ, &keysym, &status_return);
442 else
443#endif
444#endif
445 {
446 wchar_t wkbuf[KBUFSZ + 1];
447
448 // the XOpenIM manpage lies about hardcoding the locale
449 // at the point of XOpenIM, so temporarily switch locales
450 if (rs[Rs_imLocale])
451 SET_LOCALE (rs[Rs_imLocale]);
452
453 // assume wchar_t == unicode or better
454 len = XwcLookupString (Input_Context, &ev, wkbuf,
455 KBUFSZ, &keysym, &status_return);
456
457 if (rs[Rs_imLocale])
458 SET_LOCALE (locale);
459
460 if (status_return == XLookupChars
461 || status_return == XLookupBoth)
462 {
463 /* make sure the user can type ctrl-@, i.e. NUL */
464 if (len == 1 && *wkbuf == 0)
465 {
466 kbuf[0] = 0;
467 len = 1;
468 }
469 else
470 {
471 wkbuf[len] = 0;
472 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
473 if (len < 0)
474 len = 0;
475 }
476 }
477 else
478 len = 0;
479 }
480 }
481 else
482#endif
483 {
484 len = XLookupString (&ev, kbuf, KBUFSZ, &keysym, &compose);
485 }
486
487 if (keysym != NoSymbol)
488 {
489 KeySym orig_keysym = keysym;
490
491 /* Shift + F1 - F10 generates F11 - F20 */
492 if (shft && keysym >= XK_F1 && keysym <= XK_F10)
493 {
494 keysym += (XK_F11 - XK_F1);
495 shft = 0; /* turn off Shift */
496 }
497
498 if (keysym >= 0xFF00 && keysym <= 0xFFFF)
499 {
500 bool kp = priv_modes & PrivMode_aplKP ? !shft : shft;
501 unsigned int newlen = 1;
502
503 if (ev.state & ModNumLockMask)
504 kp = false;
505
506 keysym = translate_keypad (keysym, kp);
507
508 switch (keysym)
509 {
510#ifndef NO_BACKSPACE_KEY
511 case XK_BackSpace:
512 if (priv_modes & PrivMode_HaveBackSpace)
513 {
514 kbuf[0] = (!! (priv_modes & PrivMode_BackSpace)
515 ^ !!ctrl) ? '\b' : '\177';
516 kbuf[1] = '\0';
517 }
518 else
519 strcpy (kbuf, rs[Rs_backspace_key]);
520 break;
521#endif
522#ifndef NO_DELETE_KEY
523 case XK_Delete:
524 strcpy (kbuf, rs[Rs_delete_key]);
525 break;
526#endif
527 case XK_Tab:
528 if (shft)
529 strcpy (kbuf, "\033[Z");
530 else
531 {
532#ifdef CTRL_TAB_MAKES_META
533 if (ctrl)
534 meta = 1;
535#endif
536#ifdef MOD4_TAB_MAKES_META
537 if (ev.state & Mod4Mask)
538 meta = 1;
539#endif
540 newlen = 0;
541 }
542 break;
543
544 case XK_Up: /* "\033[A" */
545 case XK_Down: /* "\033[B" */
546 case XK_Right: /* "\033[C" */
547 case XK_Left: /* "\033[D" */
548 strcpy (kbuf, "\033[Z");
549 kbuf[2] = "DACB"[keysym - XK_Left];
550 /* do Shift first */
551 if (shft)
552 kbuf[2] = "dacb"[keysym - XK_Left];
553 else if (ctrl)
554 {
555 kbuf[1] = 'O';
556 kbuf[2] = "dacb"[keysym - XK_Left];
557 }
558 else if (priv_modes & PrivMode_aplCUR)
559 kbuf[1] = 'O';
560 break;
561
562 case XK_KP_Enter:
563 /* allow shift to override */
564 if (kp)
565 {
566 strcpy (kbuf, "\033OM");
567 break;
568 }
569
570 /* FALLTHROUGH */
571
572 case XK_Return:
573 if (priv_modes & PrivMode_LFNL)
574 {
575 kbuf[0] = '\015';
576 kbuf[1] = '\012';
577 kbuf[2] = '\0';
578 }
579 else
580 {
581 kbuf[0] = '\015';
582 kbuf[1] = '\0';
583 }
584 break;
585
586 case XK_KP_F1: /* "\033OP" */
587 case XK_KP_F2: /* "\033OQ" */
588 case XK_KP_F3: /* "\033OR" */
589 case XK_KP_F4: /* "\033OS" */
590 strcpy (kbuf, "\033OP");
591 kbuf[2] += (keysym - XK_KP_F1);
592 break;
593
594 case XK_KP_Multiply: /* "\033Oj" : "*" */
595 case XK_KP_Add: /* "\033Ok" : "+" */
596 case XK_KP_Separator: /* "\033Ol" : "," */
597 case XK_KP_Subtract: /* "\033Om" : "-" */
598 case XK_KP_Decimal: /* "\033On" : "." */
599 case XK_KP_Divide: /* "\033Oo" : "/" */
600 case XK_KP_0: /* "\033Op" : "0" */
601 case XK_KP_1: /* "\033Oq" : "1" */
602 case XK_KP_2: /* "\033Or" : "2" */
603 case XK_KP_3: /* "\033Os" : "3" */
604 case XK_KP_4: /* "\033Ot" : "4" */
605 case XK_KP_5: /* "\033Ou" : "5" */
606 case XK_KP_6: /* "\033Ov" : "6" */
607 case XK_KP_7: /* "\033Ow" : "7" */
608 case XK_KP_8: /* "\033Ox" : "8" */
609 case XK_KP_9: /* "\033Oy" : "9" */
610 /* allow shift to override */
611 if (kp)
612 {
613 strcpy (kbuf, "\033Oj");
614 kbuf[2] += (keysym - XK_KP_Multiply);
615 }
616 else
617 {
618 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
619 kbuf[1] = '\0';
620 }
621 break;
622
623 default:
624 {
625 int param = map_function_key (keysym);
626 if (param > 0)
627 sprintf (kbuf,"\033[%d~", param);
628 else
629 newlen = 0;
630 }
631 break;
632 }
633
634 if (newlen)
635 len = strlen (kbuf);
636
637 if (len > 0)
638 {
639 /*
640 * pass Shift/Control indicators for function keys ending with `~'
641 *
642 * eg,
643 * Prior = "ESC[5~"
644 * Shift+Prior = "ESC[5$"
645 * Ctrl+Prior = "ESC[5^"
646 * Ctrl+Shift+Prior = "ESC[5@"
647 */
648 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
649 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
650
651 /*
652 * Pass meta for all function keys, if 'meta' option set
653 */
654#ifdef META8_OPTION
655 if (meta && (meta_char == 0x80))
656 kbuf[len - 1] |= 0x80;
657#endif
658 }
659
660 }
661 else if (ctrl && keysym == XK_minus)
662 {
663 len = 1;
664 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
665 }
666 else if (keysym == XK_ISO_Left_Tab)
667 {
668 strcpy (kbuf, "\033[Z");
669 len = 3;
670 }
671 else
672 {
673#ifdef META8_OPTION
674 /* set 8-bit on */
675 if (meta && (meta_char == 0x80))
676 {
677 char *ch;
678
679 for (ch = kbuf; ch < kbuf + len; ch++)
680 *ch |= 0x80;
681 }
682#endif
683 /* nil */ ;
684 }
685
686 keysym = orig_keysym;
687 }
688
689 /* escape prefix */
690 if (len && meta
691#ifdef META8_OPTION
692 && meta_char == C0_ESC
693#endif
694 )
695 {
696 *--kbuf = C0_ESC;
697 len++;
698 }
699
700 if (HOOK_INVOKE ((this, HOOK_KEY_PRESS, DT_XEVENT, &ev, DT_INT, keysym, DT_STR_LEN, kbuf, len, DT_END)))
701 return;
702
703 if (keysym != NoSymbol)
704 {
705#ifdef KEYSYM_RESOURCE
706 if (keyboard->dispatch (this, keysym, ev.state, kbuf, len))
707 return;
708#endif
709
710 if (saveLines)
711 {
712#ifdef UNSHIFTED_SCROLLKEYS
713 if (!ctrl && !meta)
92#else 714#else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf, 715 if (IS_SCROLL_MOD)
94 KBUFSZ, &keysym, &status_return);
95#endif 716#endif
96 valid_keysym = ((status_return == XLookupKeySym) 717 {
97 || (status_return == XLookupBoth)); 718 int lnsppg;
98 } else {
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
100 &R->compose);
101 valid_keysym = 1;
102 }
103#else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->compose);
106/*
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
109 */
110 if (!len) {
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
113 kbuf[1] = '\0';
114 len = 1;
115 } else
116 kbuf[0] = '\0';
117 }
118#endif /* USE_XIM */
119 719
120#ifdef USE_XIM 720#ifdef PAGING_CONTEXT_LINES
121 if (valid_keysym) 721 lnsppg = nrow - PAGING_CONTEXT_LINES;
122#endif
123 {
124/* for some backwards compatibility */
125#if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
126# ifdef HOTKEY_CTRL
127 if (ctrl) {
128# else 722#else
129 if (meta) { 723 lnsppg = nrow * 4 / 5;
724#endif
725 max_it (lnsppg, 1);
726
727 if (keysym == XK_Prior)
728 {
729 scr_page (lnsppg);
730 return;
731 }
732 else if (keysym == XK_Next)
733 {
734 scr_page (-lnsppg);
735 return;
736 }
737 }
738#ifdef SCROLL_ON_UPDOWN_KEYS
739 if (IS_SCROLL_MOD)
740 {
741 if (keysym == XK_Up)
742 {
743 scr_page (1);
744 return;
745 }
746 else if (keysym == XK_Down)
747 {
748 scr_page (-1);
749 return;
750 }
751 }
752#endif
753#ifdef SCROLL_ON_HOMEEND_KEYS
754 if (IS_SCROLL_MOD)
755 {
756 if (keysym == XK_Home)
757 {
758 scr_changeview (top_row);
759 return;
760 }
761 else if (keysym == XK_End)
762 {
763 scr_changeview (0);
764 return;
765 }
766 }
767#endif
768 }
769
770 if (shft)
771 {
772 if (!ctrl && !meta && (priv_modes & PrivMode_ShiftKeys))
773 {
774 switch (keysym)
775 {
776 /* normal XTerm key bindings */
777 case XK_Insert: /* Shift+Insert = paste mouse selection */
778 selection_request (ev.time);
779 return;
780#if TODO
781 /* rxvt extras */
782 case XK_KP_Add: /* Shift+KP_Add = bigger font */
783 return;
784 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
785 return;
786#endif
787 }
788 }
789 }
790
791 if (ctrl && meta && (keysym == XK_c || keysym == XK_v))
792 {
793 if (keysym == XK_v)
794 selection_request (ev.time, Sel_Clipboard);
795 else if (selection.len > 0)
796 {
797 free (selection.clip_text);
798 selection.clip_text = rxvt_wcsdup (selection.text, selection.len);
799 selection.clip_len = selection.len;
800 selection_grab (CurrentTime, true);
801 }
802
803 return;
804 }
805
806#if ENABLE_FRILLS || ISO_14755
807 // ISO 14755 support
808 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_51))
809 {
810 int hv;
811
812 if (iso14755buf & ISO_14755_51
813 && (keysym == XK_space || keysym == XK_KP_Space
814 || keysym == XK_Return || keysym == XK_KP_Enter))
815 {
816 commit_iso14755 ();
817 iso14755buf = ISO_14755_51;
818# if ISO_14755
819 iso14755_51 (0);
130# endif 820# endif
131 if (keysym == R->ks_bigfont) { 821 return;
132 rxvt_change_font(aR_ 0, FONT_UP); 822 }
133 return; 823 else if (keysym == XK_BackSpace)
134 } else if (keysym == R->ks_smallfont) { 824 {
135 rxvt_change_font(aR_ 0, FONT_DN); 825 iso14755buf = ((iso14755buf & ISO_14755_MASK) >> 4) | ISO_14755_51;
136 return; 826# if ISO_14755
137 } 827 iso14755_51 (iso14755buf & ISO_14755_MASK);
138 }
139#endif
140
141 if (R->TermWin.saveLines) {
142#ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
144#else
145 if (IS_SCROLL_MOD) {
146#endif
147 int lnsppg;
148
149#ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
151#else
152 lnsppg = R->TermWin.nrow * 4 / 5;
153#endif
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
156 return;
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
159 return;
160 }
161 }
162#ifdef SCROLL_ON_UPDOWN_KEYS
163 if (IS_SCROLL_MOD) {
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
166 return;
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
169 return;
170 }
171 }
172#endif
173#ifdef SCROLL_ON_HOMEEND_KEYS
174 if (IS_SCROLL_MOD) {
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
177 return;
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
180 return;
181 }
182 }
183#endif
184 }
185
186 if (shft) {
187 /* Shift + F1 - F10 generates F11 - F20 */
188 if (keysym >= XK_F1 && keysym <= XK_F10) {
189 keysym += (XK_F11 - XK_F1);
190 shft = 0; /* turn off Shift */
191 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
192 switch (keysym) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
196 return;
197 /* rxvt extras */
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
200 return;
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
203 return;
204 }
205 }
206 }
207#ifdef PRINTPIPE
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
210 return;
211 }
212#endif
213#ifdef GREEK_SUPPORT
214 if (keysym == R->ks_greekmodeswith) {
215 R->greek_mode = !R->greek_mode;
216 if (R->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
220 greek_reset();
221 } else
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
223 return;
224 }
225#endif
226
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228#ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
230 unsigned int l;
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
233
234 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239# ifdef META8_OPTION
240 if (R->meta_char == C0_ESC)
241# endif 828# endif
242 rxvt_tt_write(aR_ &ch, 1); 829 return;
243 rxvt_tt_write(aR_ kbuf0, l); 830 }
244 return; 831 else if ((hv = hex_keyval (ev)) >= 0)
245 } else 832 {
246#endif 833 iso14755buf = ((iso14755buf << 4) & ISO_14755_MASK)
247 { 834 | hv | ISO_14755_51;
248 newlen = 1; 835# if ISO_14755
249 switch (keysym) { 836 iso14755_51 (iso14755buf & ISO_14755_MASK);
250#ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->key_backspace);
258# ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
260 int col, row;
261
262 newlen = STRLEN(kbuf);
263 col = R->screen.cur.col - 1;
264 row = R->screen.cur.row + R->TermWin.saveLines;
265 if (IS_MULTI2(R->screen.rend[row][col]))
266 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
267 }
268# endif 837# endif
269 break;
270#endif
271#ifndef NO_DELETE_KEY
272 case XK_Delete:
273 STRCPY(kbuf, R->key_delete);
274# ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
276 int col, row;
277
278 newlen = STRLEN(kbuf);
279 col = R->screen.cur.col;
280 row = R->screen.cur.row + R->TermWin.saveLines;
281 if (IS_MULTI1(R->screen.rend[row][col]))
282 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
283 }
284# endif
285 break;
286#endif
287 case XK_Tab:
288 if (shft)
289 STRCPY(kbuf, "\033[Z");
290 else {
291#ifdef CTRL_TAB_MAKES_META
292 if (ctrl)
293 meta = 1;
294#endif
295#ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
297 meta = 1;
298#endif
299 newlen = 0;
300 }
301 break;
302
303
304#ifdef XK_KP_Left
305 case XK_KP_Up: /* \033Ox or standard */
306 case XK_KP_Down: /* \033Or or standard */
307 case XK_KP_Right: /* \033Ov or standard */
308 case XK_KP_Left: /* \033Ot or standard */
309 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
312 break;
313 } else
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
316 /* FALLTHROUGH */
317#endif
318 case XK_Up: /* "\033[A" */
319 case XK_Down: /* "\033[B" */
320 case XK_Right: /* "\033[C" */
321 case XK_Left: /* "\033[D" */
322 STRCPY(kbuf, "\033[Z");
323 kbuf[2] = ("DACB"[keysym - XK_Left]);
324 /* do Shift first */
325 if (shft)
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
327 else if (ctrl) {
328 kbuf[1] = 'O';
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->PrivateModes & PrivMode_aplCUR)
331 kbuf[1] = 'O';
332#ifdef MULTICHAR_SET
333 //TODO: ??
334 if (R->Options & Opt_mc_hack) {
335 int col, row, m;
336
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
339 m = 0;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
342 m = 1;
343 else if (keysym == XK_Left) {
344 if (col > 0) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
346 m = 1;
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
349 if (col == -1)
350 col = R->TermWin.ncol - 1;
351 else
352 col--;
353 if (col > 0
354 && IS_MULTI2(R->screen.rend[row][col]))
355 m = 1;
356 }
357 }
358 if (m)
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
360 }
361#endif
362 break;
363
364#ifndef UNSHIFTED_SCROLLKEYS
365# ifdef XK_KP_Prior
366 case XK_KP_Prior:
367 /* allow shift to override */
368 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
370 break;
371 }
372 /* FALLTHROUGH */
373# endif
374 case XK_Prior:
375 STRCPY(kbuf, "\033[5~");
376 break;
377# ifdef XK_KP_Next
378 case XK_KP_Next:
379 /* allow shift to override */
380 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
382 break;
383 }
384 /* FALLTHROUGH */
385# endif
386 case XK_Next:
387 STRCPY(kbuf, "\033[6~");
388 break;
389#endif
390 case XK_KP_Enter:
391 /* allow shift to override */
392 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
394 } else {
395 kbuf[0] = '\r';
396 kbuf[1] = '\0';
397 }
398 break;
399
400#ifdef XK_KP_Begin
401 case XK_KP_Begin:
402 STRCPY(kbuf, "\033Ou");
403 break;
404
405 case XK_KP_Insert:
406 STRCPY(kbuf, "\033Op");
407 break;
408
409 case XK_KP_Delete:
410 STRCPY(kbuf, "\033On");
411 break;
412#endif
413 case XK_KP_F1: /* "\033OP" */
414 case XK_KP_F2: /* "\033OQ" */
415 case XK_KP_F3: /* "\033OR" */
416 case XK_KP_F4: /* "\033OS" */
417 STRCPY(kbuf, "\033OP");
418 kbuf[2] += (keysym - XK_KP_F1);
419 break;
420
421 case XK_KP_Multiply: /* "\033Oj" : "*" */
422 case XK_KP_Add: /* "\033Ok" : "+" */
423 case XK_KP_Separator: /* "\033Ol" : "," */
424 case XK_KP_Subtract: /* "\033Om" : "-" */
425 case XK_KP_Decimal: /* "\033On" : "." */
426 case XK_KP_Divide: /* "\033Oo" : "/" */
427 case XK_KP_0: /* "\033Op" : "0" */
428 case XK_KP_1: /* "\033Oq" : "1" */
429 case XK_KP_2: /* "\033Or" : "2" */
430 case XK_KP_3: /* "\033Os" : "3" */
431 case XK_KP_4: /* "\033Ot" : "4" */
432 case XK_KP_5: /* "\033Ou" : "5" */
433 case XK_KP_6: /* "\033Ov" : "6" */
434 case XK_KP_7: /* "\033Ow" : "7" */
435 case XK_KP_8: /* "\033Ox" : "8" */
436 case XK_KP_9: /* "\033Oy" : "9" */
437 /* allow shift to override */
438 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
441 } else {
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
443 kbuf[1] = '\0';
444 }
445 break;
446
447 case XK_Find:
448 STRCPY(kbuf, "\033[1~");
449 break;
450 case XK_Insert:
451 STRCPY(kbuf, "\033[2~");
452 break;
453#ifdef DXK_Remove /* support for DEC remove like key */
454 case DXK_Remove:
455 /* FALLTHROUGH */
456#endif
457 case XK_Execute:
458 STRCPY(kbuf, "\033[3~");
459 break;
460 case XK_Select:
461 STRCPY(kbuf, "\033[4~");
462 break;
463#ifdef XK_KP_End
464 case XK_KP_End:
465 /* allow shift to override */
466 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
468 break;
469 }
470 /* FALLTHROUGH */
471#endif
472 case XK_End:
473 STRCPY(kbuf, KS_END);
474 break;
475#ifdef XK_KP_Home
476 case XK_KP_Home:
477 /* allow shift to override */
478 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
480 break;
481 }
482 /* FALLTHROUGH */
483#endif
484 case XK_Home:
485 STRCPY(kbuf, KS_HOME);
486 break;
487
488#define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
490
491 case XK_F1: /* "\033[11~" */
492 case XK_F2: /* "\033[12~" */
493 case XK_F3: /* "\033[13~" */
494 case XK_F4: /* "\033[14~" */
495 case XK_F5: /* "\033[15~" */
496 FKEY(11, XK_F1);
497 break;
498 case XK_F6: /* "\033[17~" */
499 case XK_F7: /* "\033[18~" */
500 case XK_F8: /* "\033[19~" */
501 case XK_F9: /* "\033[20~" */
502 case XK_F10: /* "\033[21~" */
503 FKEY(17, XK_F6);
504 break;
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
509 FKEY(23, XK_F11);
510 break;
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
513 FKEY(28, XK_F15);
514 break;
515 case XK_Help: /* "\033[28~" */
516 FKEY(28, XK_Help);
517 break;
518 case XK_Menu: /* "\033[29~" */
519 FKEY(29, XK_Menu);
520 break;
521 case XK_F17: /* "\033[31~" */
522 case XK_F18: /* "\033[32~" */
523 case XK_F19: /* "\033[33~" */
524 case XK_F20: /* "\033[34~" */
525 case XK_F21: /* "\033[35~" */
526 case XK_F22: /* "\033[36~" */
527 case XK_F23: /* "\033[37~" */
528 case XK_F24: /* "\033[38~" */
529 case XK_F25: /* "\033[39~" */
530 case XK_F26: /* "\033[40~" */
531 case XK_F27: /* "\033[41~" */
532 case XK_F28: /* "\033[42~" */
533 case XK_F29: /* "\033[43~" */
534 case XK_F30: /* "\033[44~" */
535 case XK_F31: /* "\033[45~" */
536 case XK_F32: /* "\033[46~" */
537 case XK_F33: /* "\033[47~" */
538 case XK_F34: /* "\033[48~" */
539 case XK_F35: /* "\033[49~" */
540 FKEY(31, XK_F17);
541 break;
542#undef FKEY
543 default:
544 newlen = 0;
545 break;
546 }
547 if (newlen)
548 len = STRLEN(kbuf);
549 }
550 /*
551 * Pass meta for all function keys, if 'meta' option set
552 */
553#ifdef META8_OPTION
554 if (meta && (R->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
556#endif
557 } else if (ctrl && keysym == XK_minus) {
558 len = 1;
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
560 } else {
561#ifdef META8_OPTION
562 /* set 8-bit on */
563 if (meta && (R->meta_char == 0x80)) {
564 unsigned char *ch;
565
566 for (ch = kbuf; ch < kbuf + len; ch++)
567 *ch |= 0x80;
568 meta = 0;
569 }
570#endif
571#ifdef GREEK_SUPPORT
572 if (R->greek_mode)
573 len = greek_xlat(kbuf, len);
574#endif
575 /* nil */ ;
576 }
577 }
578
579 if (len <= 0)
580 return; /* not mapped */
581
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->want_refresh = 1;
586 }
587
588/*
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
591 *
592 * eg,
593 * Prior = "ESC[5~"
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
598 */
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
601
602/* escape prefix */
603 if (meta
604#ifdef META8_OPTION
605 && (R->meta_char == C0_ESC)
606#endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 rxvt_tt_write(aR_ &ch, 1);
611 }
612#ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622#endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len);
624}
625/*}}} */
626
627#if (MENUBAR_MAX)
628/*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629/* attempt to `write' count to the input buffer */
630/* EXTPROTO */
631unsigned int
632rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633{
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr;
638
639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
643 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
644 cmdbuf_ptr = cmdbuf_base;
645 cmdbuf_endp -= n;
646 s += n;
647 }
648 if (count > s) {
649 rxvt_print_error("data loss: cmd_write too large");
650 count = s;
651 }
652 for (; count--;)
653 *cmdbuf_endp++ = *str++;
654 R->cmdbuf_ptr = cmdbuf_ptr;
655 R->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657}
658#endif /* MENUBAR_MAX */
659
660void
661rxvt_term::process_x_events ()
662{
663 do
664 {
665 XEvent xev;
666
667 XNextEvent (Xdisplay, &xev);
668
669#if defined(CURSOR_BLINK)
670 if ((Options & Opt_cursorBlink)
671 && xev.type == KeyPress)
672 {
673 if (hidden_cursor)
674 {
675 hidden_cursor = 0;
676 want_refresh = 1;
677 }
678
679 blink_ev.start (NOW + BLINK_INTERVAL);
680 }
681#endif
682
683#if defined(POINTER_BLANK)
684 if ((Options & Opt_pointerBlank)
685 && (pointerBlankDelay > 0))
686 {
687 if (xev.type == MotionNotify
688 || xev.type == ButtonPress
689 || xev.type == ButtonRelease)
690 if (hidden_pointer)
691 pointer_unblank ();
692
693 if (xev.type == KeyPress && hidden_pointer == 0)
694 pointer_blank ();
695 }
696#endif
697
698#ifdef USE_XIM
699 if (!XFilterEvent (&xev, xev.xany.window))
700#endif
701 rxvt_process_x_event (this, &xev);
702 }
703 while (XPending (Xdisplay));
704}
705
706void
707rxvt_term::blink_cb (time_watcher &w)
708{
709 w.at += BLINK_INTERVAL;
710 hidden_cursor = !hidden_cursor;
711 want_refresh = 1;
712 flush ();
713}
714
715void
716rxvt_term::x_cb (io_watcher &w, short revents)
717{
718 process_x_events ();
719
720 flush ();
721}
722
723// read the next character, currently handles UTF-8
724// will probably handle all sorts of other stuff in the future
725uint32_t
726rxvt_term::next_char ()
727{
728 struct mbstate &s = mbstate;
729
730 while (cmdbuf_ptr < cmdbuf_endp)
731 {
732 uint8_t ch = *cmdbuf_ptr;
733
734 if (s.cnt)
735 {
736 if ((ch & 0xc0) == 0x80)
737 {
738 cmdbuf_ptr++;
739
740 /* continuation */
741 s.reg = (s.reg << 6) | (ch & 0x7f);
742
743 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
744 return s.reg; 838 return;
745
746 continue;
747 } 839 }
748 else 840 else
749 { 841 {
750 s.cnt = 0; 842# if ISO_14755
751 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */ 843 scr_overlay_off ();
844# endif
845 iso14755buf = 0;
752 } 846 }
753 } 847 }
848 else if (option (Opt_iso14755) &&
849 ((ctrl && (keysym == XK_Shift_L || keysym == XK_Shift_R))
850 || (shft && (keysym == XK_Control_L || keysym == XK_Control_R))))
851 if (!(iso14755buf & ISO_14755_STARTED))
852 {
853 iso14755buf |= ISO_14755_STARTED;
854# if ISO_14755
855 scr_overlay_new (0, -1, sizeof ("ISO 14755 mode") - 1, 1);
856 scr_overlay_set (0, 0, "ISO 14755 mode");
857# endif
858 }
859#endif
860
861#ifdef PRINTPIPE
862 if (keysym == XK_Print)
863 {
864 scr_printscreen (ctrl | shft);
865 return;
866 }
867#endif
868 }
869
870 if (len <= 0)
871 return; /* not mapped */
872
873 tt_write_user_input (kbuf, (unsigned int)len);
874}
875
876void ecb_cold
877rxvt_term::key_release (XKeyEvent &ev)
878{
879#if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ISO_14755 || ENABLE_PERL
880 KeySym keysym;
881
882 keysym = XLookupKeysym (&ev, ev.state & ShiftMask ? 1 : 0); // sorry, only shift supported :/
883#endif
884
885#if ENABLE_FRILLS || ISO_14755
886 // ISO 14755 support
887 if (iso14755buf)
888 if (iso14755buf & ISO_14755_52)
754 889 {
755 if ((ch & 0xc0) == 0xc0) 890# if ISO_14755
891 scr_overlay_off ();
892# endif
893# if ISO_14755
894 // iso14755 part 5.2 handling: release time
895 // first: controls
896 if ((ev.state & ControlMask)
897 && ((keysym >= 0x40 && keysym <= 0x5f)
898 || (keysym >= 0x61 && keysym <= 0x7f)))
756 { 899 {
757 cmdbuf_ptr++; 900 iso14755buf = ISO_14755_51 | 0x2400 | (keysym & 0x1f);
901 commit_iso14755 ();
758 902
759 /* first byte */ 903 return;
760 s.orig = ch; /* for broken encodings */
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 } 904 }
905
906 for (unsigned short *i = iso14755_symtab; i[0]; i += 2)
907 if (i[0] == keysym)
908 {
909 iso14755buf = ISO_14755_51 | i[1];
910 commit_iso14755 ();
911
912 return;
913 }
914
915 scr_bell ();
916# endif
917 iso14755buf = 0;
918
919 return;
920 }
921 else if ((ev.state & (ShiftMask | ControlMask)) != (ShiftMask | ControlMask))
922 {
923# if ISO_14755
924 scr_overlay_off ();
925# endif
926 if (iso14755buf & ISO_14755_51)
927 commit_iso14755 ();
928#if ISO_14755
929 else if (option (Opt_iso14755_52) && iso14755buf & ISO_14755_STARTED)
930 {
931 iso14755buf = ISO_14755_52; // iso14755 part 5.2: remember empty begin/end pair
932
933 scr_overlay_new (0, -1, sizeof ("KEYCAP PICTURE INSERT MODE") - 1, 1);
934 scr_overlay_set (0, 0, "KEYCAP PICTURE INSERT MODE");
935 }
936# endif
768 else 937 else
938 iso14755buf = 0;
769 { 939 }
770 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */ 940#endif
771 return ch; 941
942 if (HOOK_INVOKE ((this, HOOK_KEY_RELEASE, DT_XEVENT, &ev, DT_INT, keysym, DT_END)))
943 return;
944
945#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
946 if (!(ev.state & ControlMask))
947 slip_wheel_ev.stop ();
948 else if (keysym == XK_Control_L || keysym == XK_Control_R)
949 mouse_slip_wheel_speed = 0;
950#endif
951}
952
953void
954rxvt_term::flush ()
955{
956 flush_ev.stop ();
957
958#ifdef HAVE_IMG
959 if (bg_flags & BG_NEEDS_REFRESH)
960 {
961 bg_flags &= ~BG_NEEDS_REFRESH;
962 scr_touch (false);
963 }
964#endif
965
966 if (want_refresh)
967 {
968 if (SHOULD_INVOKE (HOOK_LINE_UPDATE))
772 } 969 {
970 int row = view_start;
971 int end_row = row + nrow;
972
973 while (row > top_row && ROW (row - 1).is_longer ())
974 --row;
975
976 do
977 {
978 int start_row = row;
979 line_t *l;
980
981 do
982 {
983 l = &ROW (row++);
984
985 if (!(l->f & LINE_FILTERED))
986 {
987 // line not filtered, mark it as filtered
988 l->f |= LINE_FILTERED;
989 while (l->is_longer ())
990 {
991 l = &ROW (row++);
992 l->f |= LINE_FILTERED;
993 }
994
995 // and filter it
996 HOOK_INVOKE ((this, HOOK_LINE_UPDATE, DT_INT, start_row, DT_END));
997
998 break;
999 }
1000 }
1001 while (l->is_longer () && row < end_row);
1002 }
1003 while (row < end_row);
1004 }
1005
1006 scr_refresh ();
1007 scrollBar.show (1);
1008#if USE_XIM
1009 im_send_spot ();
1010#endif
1011 }
1012
1013 display->flush ();
1014}
1015
1016/* checks whether a refresh is requested and starts the refresh timer */
1017void
1018rxvt_term::refresh_check ()
1019{
1020 if (want_refresh && !flush_ev.is_active ())
1021 flush_ev.start (1. / 60.); // refresh at max. 60 Hz normally
1022
1023 display->flush ();
1024}
1025
1026void
1027rxvt_term::flush_cb (ev::timer &w, int revents)
1028{
1029 make_current ();
1030
1031 refresh_count = 0;
1032 flush ();
1033}
1034
1035#ifdef CURSOR_BLINK
1036void
1037rxvt_term::cursor_blink_reset ()
1038{
1039 if (!focus)
1040 return;
1041
1042 if (hidden_cursor)
773 } 1043 {
1044 hidden_cursor = 0;
1045 want_refresh = 1;
1046 }
774 1047
775 return NOCHAR; 1048 if (option (Opt_cursorBlink) || (priv_modes & PrivMode_BlinkingCursor))
1049 cursor_blink_ev.again ();
1050 else
1051 cursor_blink_ev.stop ();
776} 1052}
1053
1054void
1055rxvt_term::cursor_blink_cb (ev::timer &w, int revents)
1056{
1057 hidden_cursor = !hidden_cursor;
1058 want_refresh = 1;
1059 refresh_check ();
1060}
1061#endif
1062
1063#ifdef TEXT_BLINK
1064void
1065rxvt_term::text_blink_cb (ev::timer &w, int revents)
1066{
1067 if (scr_refresh_rend (RS_Blink, RS_Blink))
1068 {
1069 hidden_text = !hidden_text;
1070 want_refresh = 1;
1071 refresh_check ();
1072 }
1073 else
1074 w.stop ();
1075}
1076#endif
1077
1078#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1079void
1080rxvt_term::cont_scroll_cb (ev::timer &w, int revents)
1081{
1082 if ((scrollBar.state == SB_STATE_UP || scrollBar.state == SB_STATE_DOWN)
1083 && scr_page (scrollBar.state == SB_STATE_UP ? UP : DN, 1))
1084 {
1085 want_refresh = 1;
1086 refresh_check ();
1087 }
1088 else
1089 w.stop ();
1090}
1091#endif
1092
1093#ifdef SELECTION_SCROLLING
1094void
1095rxvt_term::sel_scroll_cb (ev::timer &w, int revents)
1096{
1097 if (scr_page (scroll_selection_lines))
1098 {
1099 selection_extend (selection_save_x, selection_save_y, selection_save_state);
1100 want_refresh = 1;
1101 refresh_check ();
1102 }
1103 else
1104 w.stop ();
1105}
1106#endif
1107
1108#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1109void
1110rxvt_term::slip_wheel_cb (ev::timer &w, int revents)
1111{
1112 if (scr_page (mouse_slip_wheel_speed))
1113 {
1114 want_refresh = 1;
1115 refresh_check ();
1116 }
1117
1118 if (view_start == top_row || view_start == 0 || mouse_slip_wheel_speed == 0)
1119 {
1120 mouse_slip_wheel_speed = 0;
1121 w.stop ();
1122 }
1123}
1124#endif
1125
1126#if LINUX_YIELD_HACK
1127static struct event_handler
1128{
1129 ev::prepare yield_ev;
1130
1131 void yield_cb (ev::prepare &w, int revents)
1132 {
1133 // this should really be sched_yield(), but the linux guys thought
1134 // that giving a process calling sched_yield () less cpu time than
1135 // ones with high nice levels is a useful thing to do. It surely is is
1136 // allowed by the sus... as is returning ENOSYS.
1137 // since the linux guys additionally thought that breaking the only
1138 // known workaround against their unusable sched_yield hack is cool,
1139 // we just nanosleep a bit and hope for the best.
1140
1141 struct timespec ts = { 0, 1000 };
1142 nanosleep (&ts, 0);
1143
1144 w.stop ();
1145 }
1146
1147 event_handler ()
1148 : yield_ev (this, &event_handler::yield_cb)
1149 {
1150 }
1151} event_handler;
1152#endif
1153
1154/* make sure all the cmd data is at beginning of cmdbuf */
1155void
1156rxvt_term::cmdbuf_reify ()
1157{
1158 if (cmdbuf_ptr == cmdbuf_base)
1159 return;
1160
1161 ssize_t used = cmdbuf_endp - cmdbuf_ptr;
1162
1163 memmove (cmdbuf_base, cmdbuf_ptr, used);
1164 cmdbuf_ptr = cmdbuf_base;
1165 cmdbuf_endp = cmdbuf_ptr + used;
1166
1167}
1168
1169#if defined (KEYSYM_RESOURCE)
1170void
1171rxvt_term::cmdbuf_append (const char *str, size_t count)
1172{
1173 cmdbuf_reify ();
1174
1175 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1176
1177 if (count > avail)
1178 return;
1179
1180 memcpy (cmdbuf_endp, str, count);
1181 cmdbuf_endp += count;
1182
1183 cmd_parse ();
1184}
1185#endif
777 1186
778bool 1187bool
779rxvt_term::pty_fill () 1188rxvt_term::pty_fill ()
780{ 1189{
781 ssize_t n = cmdbuf_endp - cmdbuf_ptr; 1190 cmdbuf_reify ();
782 1191
783 memmove (cmdbuf_base, cmdbuf_ptr, n); 1192 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1193
1194 if (!avail)
1195 {
1196 // normally this indicates a "too long" command sequence - just drop the data we have
784 cmdbuf_ptr = cmdbuf_base; 1197 cmdbuf_ptr = cmdbuf_base;
785 cmdbuf_endp = cmdbuf_ptr + n; 1198 cmdbuf_endp = cmdbuf_ptr;
786 1199 avail = CBUFSIZ;
787 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n); 1200 }
788 1201
1202 ssize_t r = read (pty->pty, cmdbuf_endp, avail);
1203
789 if (n > 0) 1204 if (r > 0)
790 { 1205 {
791 cmdbuf_endp += n; 1206 cmdbuf_endp += r;
792 return true; 1207 return true;
793 } 1208 }
794 else if (n < 0 && errno == EAGAIN) 1209 else if (r < 0 && (errno == EAGAIN || errno == EINTR))
1210 {
1211#if LINUX_YIELD_HACK
1212 if (display->is_local)
1213 event_handler.yield_ev.start ();
1214#endif
1215 }
1216 else
1217 {
1218 pty_ev.stop ();
1219
1220 if (!option (Opt_hold))
1221 destroy ();
1222 }
1223
795 return false; 1224 return false;
796
797 rxvt_clean_exit ();
798 exit (EXIT_FAILURE); /* bad order of events? */
799} 1225}
800 1226
801void 1227void
802rxvt_term::pty_cb (io_watcher &w, short revents) 1228rxvt_term::pty_cb (ev::io &w, int revents)
803{ 1229{
1230 make_current ();
1231
1232 if (revents & ev::READ)
804 // loop, but don't allow a single term to monopolize us 1233 // 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 (); ) 1234 for (int i = CBUFCNT; i-- && pty_fill (); )
1235 cmd_parse ();
1236
1237 if (revents & ev::WRITE)
1238 pty_write ();
1239
1240 refresh_check ();
1241}
1242
1243void ecb_cold
1244rxvt_term::pointer_unblank ()
1245{
1246 XDefineCursor (dpy, vt, TermWin_cursor);
1247 recolor_cursor ();
1248
1249#ifdef POINTER_BLANK
1250 hidden_pointer = 0;
1251
1252 if (option (Opt_pointerBlank))
1253 pointer_ev.start (pointerBlankDelay);
1254#endif
1255}
1256
1257#ifdef POINTER_BLANK
1258void ecb_cold
1259rxvt_term::pointer_blank ()
1260{
1261 if (!option (Opt_pointerBlank))
1262 return;
1263
1264 XDefineCursor (dpy, vt, display->blank_cursor);
1265 XFlush (dpy);
1266
1267 hidden_pointer = 1;
1268}
1269
1270void ecb_cold
1271rxvt_term::pointer_cb (ev::timer &w, int revents)
1272{
1273 make_current ();
1274
1275 pointer_blank ();
1276}
1277#endif
1278
1279void
1280rxvt_term::mouse_report (XButtonEvent &ev)
1281{
1282 int button_number, state = 0;
1283 int x, y;
1284 bool release = ev.type == ButtonRelease;
1285
1286 x = Pixel2Col (ev.x) + 1;
1287 y = Pixel2Row (ev.y) + 1;
1288
1289 if (ev.type == MotionNotify)
1290 {
1291 if (x == mouse_row && y == mouse_col)
1292 return;
1293
1294 mouse_row = x;
1295 mouse_col = y;
1296 state += 32;
807 { 1297 }
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 1298
813 uint32_t ch = NOCHAR; 1299 button_number = MEvent.button - Button1;
1300 /* add 0x3D for wheel events, like xterm does */
1301 if (button_number >= 3)
1302 button_number += 64 - 3;
814 1303
815 for (;;) 1304 if (priv_modes & PrivMode_MouseX10)
1305 {
1306 /*
1307 * do not report ButtonRelease
1308 * no state info allowed
1309 */
1310 if (release)
1311 return;
1312 }
1313 else
1314 {
1315 /* XTerm mouse reporting needs these values:
1316 * 4 = Shift
1317 * 8 = Meta
1318 * 16 = Control
1319 * plus will add in our own Double-Click reporting
1320 * 32 = Double Click
1321 */
1322 state += ((MEvent.state & ShiftMask) ? 4 : 0)
1323 + ((MEvent.state & ModMetaMask) ? 8 : 0)
1324 + ((MEvent.state & ControlMask) ? 16 : 0);
1325#ifdef MOUSE_REPORT_DOUBLECLICK
1326 state += ((MEvent.clicks > 1) ? 32 : 0);
1327#endif
1328 }
1329
1330 int code = 32 + (release ? 3 : button_number) + state;
1331
1332#if DEBUG_MOUSEREPORT
1333 fprintf (stderr, "Mouse [");
1334 if (state & 16)
1335 fputc ('C', stderr);
1336 if (state & 4)
1337 fputc ('S', stderr);
1338 if (state & 8)
1339 fputc ('A', stderr);
1340 if (state & 32)
1341 fputc ('2', stderr);
1342 fprintf (stderr, "]: <%d>, %d/%d\n",
1343 button_number,
1344 x,
1345 y);
1346#endif
1347
1348#if ENABLE_FRILLS
1349 if (priv_modes & PrivMode_ExtMouseSGR)
1350 tt_printf ("\033[<%d;%d;%d%c",
1351 button_number + state,
1352 x,
1353 y,
1354 release ? 'm' : 'M');
1355 else if (priv_modes & PrivMode_ExtMouseUrxvt)
1356 tt_printf ("\033[%d;%d;%dM",
1357 code,
1358 x,
1359 y);
1360 else if (priv_modes & PrivMode_ExtMouseUTF8)
1361 tt_printf ("\033[M%c%lc%lc",
1362 code,
1363 wint_t (32 + x),
1364 wint_t (32 + y));
1365 else
1366#endif
1367 tt_printf ("\033[M%c%c%c",
1368 code,
1369 32 + x,
1370 32 + y);
1371}
1372
1373/*{{{ process an X event */
1374void ecb_hot
1375rxvt_term::x_cb (XEvent &ev)
1376{
1377 make_current ();
1378
1379 dLocal (Display *, dpy);
1380
1381 if (ev.xany.window == vt
1382 && SHOULD_INVOKE (HOOK_X_EVENT)
1383 && HOOK_INVOKE ((this, HOOK_X_EVENT, DT_XEVENT, &ev, DT_END)))
1384 return;
1385
1386 // for XQueryPointer
1387 Window unused_root, unused_child;
1388 int unused_root_x, unused_root_y;
1389 unsigned int unused_mask;
1390
1391 switch (ev.type)
1392 {
1393 case KeyPress:
1394 key_press (ev.xkey);
1395 break;
1396
1397 case KeyRelease:
1398 key_release (ev.xkey);
1399 break;
1400
1401 case ButtonPress:
1402 button_press (ev.xbutton);
1403 break;
1404
1405 case ButtonRelease:
1406 button_release (ev.xbutton);
1407 break;
1408
1409 case ClientMessage:
1410 if (ev.xclient.format == 32
1411 && !HOOK_INVOKE ((this, HOOK_CLIENT_MESSAGE, DT_XEVENT, &ev, DT_END)))
816 { 1412 {
817 if (ch == NOCHAR) 1413 if (ev.xclient.message_type == xa[XA_WM_PROTOCOLS])
818 ch = next_char (); 1414 {
1415 if (!HOOK_INVOKE ((this, HOOK_WM_PROTOCOLS, DT_XEVENT, &ev, DT_END)))
1416 {
1417 if (ev.xclient.data.l[0] == xa[XA_WM_DELETE_WINDOW])
1418 {
1419 if (!HOOK_INVOKE ((this, HOOK_WM_DELETE_WINDOW, DT_XEVENT, &ev, DT_END)))
1420 destroy ();
1421 }
1422#if ENABLE_EWMH
1423 else if (ev.xclient.data.l[0] == xa[XA_NET_WM_PING])
1424 XSendEvent (dpy, ev.xclient.window = display->root,
1425 False, SubstructureRedirectMask | SubstructureNotifyMask,
1426 &ev);
1427#endif
1428 }
1429 }
1430#if ENABLE_XEMBED
1431 else if (ev.xclient.format == 32 && ev.xclient.message_type == xa[XA_XEMBED])
1432 {
1433 if (ev.xclient.data.l[1] == XEMBED_FOCUS_IN)
1434 focus_in ();
1435 else if (ev.xclient.data.l[1] == XEMBED_FOCUS_OUT)
1436 focus_out ();
1437 }
1438#endif
1439 }
1440 break;
819 1441
820 if (ch == NOCHAR) // TODO: improve 1442 /*
1443 * XXX: this is not the _current_ arrangement
1444 * Here's my conclusion:
1445 * If the window is completely unobscured, use bitblt's
1446 * to scroll. Even then, they're only used when doing partial
1447 * screen scrolling. When partially obscured, we have to fill
1448 * in the GraphicsExpose parts, which means that after each refresh,
1449 * we need to wait for the graphics expose or Noexpose events,
1450 * which ought to make things real slow!
1451 */
1452 case VisibilityNotify:
1453 switch (ev.xvisibility.state)
1454 {
1455 case VisibilityUnobscured:
1456 refresh_type = FAST_REFRESH;
821 break; 1457 break;
1458 case VisibilityPartiallyObscured:
1459 refresh_type = SLOW_REFRESH;
1460 break;
1461 default:
1462 refresh_type = NO_REFRESH;
1463 break;
1464 }
1465 break;
822 1466
823 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r') 1467 case FocusIn:
1468 if (ev.xfocus.detail != NotifyInferior
1469 && ev.xfocus.detail != NotifyPointer
1470 && ev.xfocus.mode != NotifyGrab)
1471 focus_in ();
1472 break;
1473
1474 case FocusOut:
1475 if (ev.xfocus.detail != NotifyInferior
1476 && ev.xfocus.detail != NotifyPointer
1477 && ev.xfocus.mode != NotifyGrab)
1478 focus_out ();
1479 break;
1480
1481 case ConfigureNotify:
1482 if (ev.xconfigure.window == parent)
1483 {
1484 while (XCheckTypedWindowEvent (dpy, ev.xconfigure.window, ConfigureNotify, &ev))
1485 ;
1486
1487 bool want_position_change = SHOULD_INVOKE (HOOK_POSITION_CHANGE);
1488
1489 if (want_position_change)
1490 {
1491 int x, y;
1492
1493 if (ev.xconfigure.send_event)
1494 {
1495 x = ev.xconfigure.x;
1496 y = ev.xconfigure.y;
1497 }
1498 else
1499 get_window_origin (x, y);
1500
1501 if (x != parent_x || y != parent_y)
1502 {
1503 parent_x = x;
1504 parent_y = y;
1505 HOOK_INVOKE ((this, HOOK_POSITION_CHANGE, DT_INT, x, DT_INT, y, DT_END));
1506 }
1507 }
1508
1509 if (szHint.width != ev.xconfigure.width || szHint.height != ev.xconfigure.height)
1510 {
1511 seen_resize = 1;
1512 resize_all_windows (ev.xconfigure.width, ev.xconfigure.height, 1);
1513 }
1514
1515 HOOK_INVOKE ((this, HOOK_CONFIGURE_NOTIFY, DT_XEVENT, &ev, DT_END));
1516 }
1517 break;
1518
1519 case PropertyNotify:
1520 HOOK_INVOKE ((this, HOOK_PROPERTY_NOTIFY, DT_XEVENT, &ev, DT_END));
1521 break;
1522
1523 case SelectionClear:
1524 selection_clear (ev.xselectionclear.selection == xa[XA_CLIPBOARD]);
1525 break;
1526
1527 case SelectionRequest:
1528 selection_send (ev.xselectionrequest);
1529 break;
1530
1531 case MapNotify:
1532 mapped = 1;
1533#ifdef TEXT_BLINK
1534 text_blink_ev.start ();
1535#endif
1536 HOOK_INVOKE ((this, HOOK_MAP_NOTIFY, DT_XEVENT, &ev, DT_END));
1537 break;
1538
1539 case UnmapNotify:
1540 mapped = 0;
1541#ifdef TEXT_BLINK
1542 text_blink_ev.stop ();
1543#endif
1544 HOOK_INVOKE ((this, HOOK_UNMAP_NOTIFY, DT_XEVENT, &ev, DT_END));
1545 break;
1546
1547 case GraphicsExpose:
1548 case Expose:
1549 if (ev.xany.window == vt)
1550 {
1551 do
1552 {
1553 scr_expose (ev.xexpose.x, ev.xexpose.y,
1554 ev.xexpose.width, ev.xexpose.height, false);
1555 }
1556 while (XCheckTypedWindowEvent (dpy, vt, ev.xany.type, &ev));
1557
1558 ev.xany.type = ev.xany.type == Expose ? GraphicsExpose : Expose;
1559
1560 while (XCheckTypedWindowEvent (dpy, vt, ev.xany.type, &ev))
1561 {
1562 scr_expose (ev.xexpose.x, ev.xexpose.y,
1563 ev.xexpose.width, ev.xexpose.height, false);
1564 }
1565
1566 want_refresh = 1;
1567 }
1568 else
1569 {
1570 XEvent unused_event;
1571
1572 while (XCheckTypedWindowEvent (dpy, ev.xany.window, Expose, &unused_event))
1573 ;
1574 while (XCheckTypedWindowEvent (dpy, ev.xany.window, GraphicsExpose, &unused_event))
1575 ;
1576
1577 if (scrollBar.state && ev.xany.window == scrollBar.win)
1578 {
1579 scrollBar.state = SB_STATE_IDLE;
1580 scrollBar.show (0);
1581 }
1582 }
1583 break;
1584
1585 case MotionNotify:
1586#ifdef POINTER_BLANK
1587 if (hidden_pointer)
1588 pointer_unblank ();
1589#endif
1590 if (!bypass_keystate
1591 && ((priv_modes & PrivMode_MouseBtnEvent && ev.xbutton.state & (Button1Mask|Button2Mask|Button3Mask))
1592 || priv_modes & PrivMode_MouseAnyEvent))
1593 mouse_report (ev.xbutton);
1594 if ((priv_modes & PrivMode_mouse_report) && !bypass_keystate)
1595 break;
1596
1597 if (ev.xany.window == vt)
1598 {
1599 if (SHOULD_INVOKE (HOOK_MOTION_NOTIFY)
1600 && HOOK_INVOKE ((this, HOOK_MOTION_NOTIFY, DT_XEVENT, &ev, DT_END)))
1601 ; // nop
1602 else if (ev.xbutton.state & (Button1Mask | Button3Mask))
1603 {
1604 while (XCheckTypedWindowEvent (dpy, vt, MotionNotify, &ev))
1605 ;
1606
1607 XQueryPointer (dpy, vt,
1608 &unused_root, &unused_child,
1609 &unused_root_x, &unused_root_y,
1610 &ev.xbutton.x, &ev.xbutton.y,
1611 &ev.xbutton.state);
1612#ifdef MOUSE_THRESHOLD
1613 /* deal with a `jumpy' mouse */
1614 if (ev.xmotion.time - MEvent.time > MOUSE_THRESHOLD)
1615#endif
1616 {
1617#if ISO_14755
1618 // 5.4
1619 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1620 {
1621 iso14755_54 (ev.xbutton.x, ev.xbutton.y);
1622 break;
1623 }
1624#endif
1625 selection_extend (ev.xbutton.x, ev.xbutton.y,
1626 ev.xbutton.state & Button3Mask ? 2 : 0);
1627
1628#ifdef SELECTION_SCROLLING
1629 if (ev.xbutton.y < int_bwidth
1630 || Pixel2Row (ev.xbutton.y) > (nrow-1))
1631 {
1632 page_dirn scroll_selection_dir;
1633 int dist;
1634
1635 /* don't clobber the current delay if we are
1636 * already in the middle of scrolling.
1637 */
1638 if (!sel_scroll_ev.is_active ())
1639 sel_scroll_ev.start (SCROLLBAR_INITIAL_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
1640
1641 /* save the event params so we can highlight
1642 * the selection in the pending-scroll loop
1643 */
1644 selection_save_x = ev.xbutton.x;
1645 selection_save_y = ev.xbutton.y;
1646 selection_save_state = (ev.xbutton.state & Button3Mask) ? 2 : 0;
1647
1648 /* calc number of lines to scroll */
1649 if (ev.xbutton.y < int_bwidth)
1650 {
1651 scroll_selection_dir = UP;
1652 dist = int_bwidth - ev.xbutton.y;
1653 }
1654 else
1655 {
1656 scroll_selection_dir = DN;
1657 dist = ev.xbutton.y - (int_bwidth + vt_height);
1658 }
1659
1660 scroll_selection_lines = Pixel2Height (dist)
1661 / SELECTION_SCROLL_LINE_SPEEDUP
1662 + 1;
1663 min_it (scroll_selection_lines,
1664 SELECTION_SCROLL_MAX_LINES);
1665 scroll_selection_lines *= scroll_selection_dir;
1666 }
1667 else
1668 {
1669 /* we are within the text window, so we
1670 * shouldn't be scrolling
1671 */
1672 sel_scroll_ev.stop();
1673 }
1674#endif
1675 }
1676 }
1677 }
1678 else if (scrollBar.state == SB_STATE_MOTION && ev.xany.window == scrollBar.win)
1679 {
1680 while (XCheckTypedWindowEvent (dpy, scrollBar.win,
1681 MotionNotify, &ev))
1682 ;
1683
1684 XQueryPointer (dpy, scrollBar.win,
1685 &unused_root, &unused_child,
1686 &unused_root_x, &unused_root_y,
1687 &ev.xbutton.x, &ev.xbutton.y,
1688 &unused_mask);
1689 scr_move_to (scrollBar.position (ev.xbutton.y) - csrO,
1690 scrollBar.size ());
1691 want_refresh = 1;
1692 scrollBar.show (1);
1693 }
1694 break;
1695 }
1696
1697#if defined(CURSOR_BLINK)
1698 if (ev.type == KeyPress)
1699 cursor_blink_reset ();
1700#endif
1701
1702#if defined(POINTER_BLANK)
1703 if (option (Opt_pointerBlank) && pointerBlankDelay > 0)
1704 {
1705 if (ev.type == MotionNotify
1706 || ev.type == ButtonPress
1707 || ev.type == ButtonRelease)
1708 if (hidden_pointer)
1709 pointer_unblank ();
1710
1711 if (ev.type == KeyPress && hidden_pointer == 0)
1712 pointer_blank ();
1713 }
1714#endif
1715
1716 refresh_check ();
1717}
1718
1719#if ENABLE_FRILLS
1720void ecb_cold
1721rxvt_term::set_urgency (bool enable)
1722{
1723 if (enable == urgency_hint)
1724 return;
1725
1726 if (XWMHints *h = XGetWMHints (dpy, parent))
1727 {
1728 h->flags = h->flags & ~XUrgencyHint | (enable ? XUrgencyHint : 0);
1729 XSetWMHints (dpy, parent, h);
1730 urgency_hint = enable;
1731 XFree (h);
1732 }
1733}
1734#endif
1735
1736void ecb_cold
1737rxvt_term::focus_in ()
1738{
1739 if (!focus)
1740 {
1741 focus = 1;
1742 want_refresh = 1;
1743
1744#if USE_XIM
1745 if (Input_Context != NULL)
1746 {
1747 im_set_position ();
1748 XSetICFocus (Input_Context);
1749 }
1750#endif
1751#if CURSOR_BLINK
1752 if (option (Opt_cursorBlink))
1753 cursor_blink_ev.again ();
1754#endif
1755#if OFF_FOCUS_FADING
1756 if (rs[Rs_fade])
1757 {
1758 pix_colors = pix_colors_focused;
1759 scr_recolor ();
1760 }
1761#endif
1762#if ENABLE_FRILLS
1763 if (option (Opt_urgentOnBell))
1764 set_urgency (0);
1765
1766 if (priv_modes & PrivMode_FocusEvent)
1767 tt_printf ("\x1b[I");
1768#endif
1769
1770 HOOK_INVOKE ((this, HOOK_FOCUS_IN, DT_END));
1771 }
1772}
1773
1774void ecb_cold
1775rxvt_term::focus_out ()
1776{
1777 if (focus)
1778 {
1779 focus = 0;
1780 want_refresh = 1;
1781
1782#if ENABLE_FRILLS
1783 if (option (Opt_urgentOnBell))
1784 set_urgency (0);
1785
1786 if (priv_modes & PrivMode_FocusEvent)
1787 tt_printf ("\x1b[O");
1788#endif
1789#if ENABLE_FRILLS || ISO_14755
1790 if (iso14755buf)
1791 {
1792 iso14755buf = 0;
1793# if ISO_14755
1794 scr_overlay_off ();
1795# endif
1796 }
1797#endif
1798#if USE_XIM
1799 if (Input_Context != NULL)
1800 XUnsetICFocus (Input_Context);
1801#endif
1802#if CURSOR_BLINK
1803 if (option (Opt_cursorBlink))
1804 cursor_blink_ev.stop ();
1805
1806 hidden_cursor = 0;
1807#endif
1808#if OFF_FOCUS_FADING
1809 if (rs[Rs_fade])
1810 {
1811 pix_colors = pix_colors_unfocused;
1812 scr_recolor ();
1813 }
1814#endif
1815
1816 HOOK_INVOKE ((this, HOOK_FOCUS_OUT, DT_END));
1817 }
1818}
1819
1820void ecb_cold
1821rxvt_term::update_fade_color (unsigned int idx, bool first_time)
1822{
1823#if OFF_FOCUS_FADING
1824 if (rs[Rs_fade])
1825 {
1826 if (!first_time)
1827 pix_colors_focused [idx].free (this);
1828
1829 rgba c;
1830 pix_colors [Color_fade].get (c);
1831 pix_colors_focused [idx].fade (this, atoi (rs[Rs_fade]), pix_colors_unfocused [idx], c);
1832 }
1833#endif
1834}
1835
1836#if ENABLE_PERL
1837void ecb_hot
1838rxvt_term::rootwin_cb (XEvent &ev)
1839{
1840 make_current ();
1841
1842 if (SHOULD_INVOKE (HOOK_ROOT_EVENT)
1843 && HOOK_INVOKE ((this, HOOK_ROOT_EVENT, DT_XEVENT, &ev, DT_END)))
1844 return;
1845
1846 switch (ev.type)
1847 {
1848 case PropertyNotify:
1849 /*
1850 * if user used some Esetroot compatible prog to set the root bg,
1851 * use the property to determine the pixmap. We use it later on.
1852 */
1853 if (ev.xproperty.atom == xa[XA_XROOTPMAP_ID]
1854 || ev.xproperty.atom == xa[XA_ESETROOT_PMAP_ID])
1855 {
1856 HOOK_INVOKE ((this, HOOK_ROOTPMAP_CHANGE, DT_END));
1857 }
1858
1859 break;
1860 }
1861
1862 refresh_check ();
1863}
1864#endif
1865
1866void
1867rxvt_term::button_press (XButtonEvent &ev)
1868{
1869 int reportmode = 0, clickintime;
1870
1871 bypass_keystate = ev.state & (ModMetaMask | ShiftMask);
1872
1873 if (!bypass_keystate)
1874 reportmode = !! (priv_modes & PrivMode_mouse_report);
1875
1876 /*
1877 * VT window processing of button press
1878 */
1879 if (ev.window == vt)
1880 {
1881 if (HOOK_INVOKE ((this, HOOK_BUTTON_PRESS, DT_XEVENT, &ev, DT_END)))
1882 return;
1883
1884#if ISO_14755
1885 // 5.4
1886 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1887 {
1888 iso14755_54 (ev.x, ev.y);
1889 return;
1890 }
1891#endif
1892
1893 clickintime = ev.time - MEvent.time < multiClickTime;
1894
1895 if (reportmode)
1896 {
1897 /* mouse report from vt window */
1898 /* save the xbutton state (for ButtonRelease) */
1899 MEvent.state = ev.state;
1900#ifdef MOUSE_REPORT_DOUBLECLICK
1901 if (ev.button == MEvent.button && clickintime)
824 { 1902 {
825 /* Read a text string from the input buffer */ 1903 /* same button, within allowed time */
826 uint32_t buf[BUFSIZ]; 1904 MEvent.clicks++;
827 bool refreshnow = false;
828 int nlines = 0;
829 uint32_t *str = buf;
830 1905
831 *str++ = ch; 1906 if (MEvent.clicks > 1)
832
833 for (;;)
834 { 1907 {
835 ch = next_char (); 1908 /* only report double clicks */
1909 MEvent.clicks = 2;
1910 mouse_report (ev);
836 1911
837 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r')) 1912 /* don't report the release */
1913 MEvent.clicks = 0;
1914 MEvent.button = AnyButton;
1915 }
1916 }
1917 else
1918 {
1919 /* different button, or time expired */
1920 MEvent.clicks = 1;
1921 MEvent.button = ev.button;
1922 mouse_report (ev);
1923 }
1924#else
1925 MEvent.button = ev.button;
1926 mouse_report (ev);
1927#endif /* MOUSE_REPORT_DOUBLECLICK */
1928
1929 }
1930 else
1931 {
1932 if (ev.button != MEvent.button)
1933 MEvent.clicks = 0;
1934
1935 switch (ev.button)
1936 {
1937 case Button1:
1938 /* allow meta + click to select rectangular areas */
1939 /* should be done in screen.C */
1940#if ENABLE_FRILLS
1941 selection.rect = !!(ev.state & ModMetaMask);
1942#else
1943 selection.rect = false;
1944#endif
1945
1946 /* allow shift+left click to extend selection */
1947 if (ev.state & ShiftMask && !(priv_modes & PrivMode_mouse_report))
1948 {
1949 if (MEvent.button == Button1 && clickintime)
1950 selection_rotate (ev.x, ev.y);
1951 else
1952 selection_extend (ev.x, ev.y, 1);
1953 }
1954 else
1955 {
1956 if (MEvent.button == Button1 && clickintime)
1957 MEvent.clicks++;
1958 else
1959 MEvent.clicks = 1;
1960
1961 selection_click (MEvent.clicks, ev.x, ev.y);
1962 }
1963
1964 MEvent.button = Button1;
1965 break;
1966
1967 case Button3:
1968 if (MEvent.button == Button3 && clickintime)
1969 selection_rotate (ev.x, ev.y);
1970 else
1971 selection_extend (ev.x, ev.y, 1);
1972
1973 MEvent.button = Button3;
1974 break;
1975 }
1976 }
1977
1978 MEvent.time = ev.time;
1979 return;
1980 }
1981
1982 /*
1983 * Scrollbar window processing of button press
1984 */
1985 if (scrollBar.state && ev.window == scrollBar.win)
1986 {
1987 page_dirn direction = NO_DIR;
1988
1989 if (scrollBar.upButton (ev.y))
1990 direction = UP; /* up */
1991 else if (scrollBar.dnButton (ev.y))
1992 direction = DN; /* down */
1993
1994 scrollBar.state = SB_STATE_IDLE;
1995 /*
1996 * Rxvt-style scrollbar:
1997 * move up if mouse is above slider
1998 * move dn if mouse is below slider
1999 *
2000 * XTerm-style scrollbar:
2001 * Move display proportional to pointer location
2002 * pointer near top -> scroll one line
2003 * pointer near bot -> scroll full page
2004 */
2005#ifndef NO_SCROLLBAR_REPORT
2006 if (reportmode)
2007 {
2008 /*
2009 * Mouse report disabled scrollbar:
2010 * arrow buttons - send up/down
2011 * click on scrollbar - send pageup/down
2012 */
2013 if (direction == UP)
2014 tt_printf ("\033[A");
2015 else if (direction == DN)
2016 tt_printf ("\033[B");
2017 else
2018 switch (ev.button)
2019 {
2020 case Button2:
2021 tt_printf ("\014");
838 break; 2022 break;
2023 case Button1:
2024 tt_printf ("\033[6~");
2025 break;
2026 case Button3:
2027 tt_printf ("\033[5~");
2028 break;
2029 }
2030 }
2031 else
2032#endif /* NO_SCROLLBAR_REPORT */
2033 {
2034 if (direction != NO_DIR)
2035 {
2036#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
2037 if (!cont_scroll_ev.is_active ())
2038 cont_scroll_ev.start (SCROLLBAR_INITIAL_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
2039#endif
2040 if (scr_page (direction, 1))
2041 {
2042 if (direction == UP)
2043 scrollBar.state = SB_STATE_UP;
2044 else
2045 scrollBar.state = SB_STATE_DOWN;
2046 }
2047 }
2048 else
2049 switch (ev.button)
2050 {
2051 case Button2:
2052 switch (scrollBar.align)
2053 {
2054 case SB_ALIGN_TOP:
2055 csrO = 0;
2056 break;
2057 case SB_ALIGN_CENTRE:
2058 csrO = (scrollBar.bot - scrollBar.top) / 2;
2059 break;
2060 case SB_ALIGN_BOTTOM:
2061 csrO = scrollBar.bot - scrollBar.top;
2062 break;
2063 }
2064
2065 if (scrollBar.style == SB_STYLE_XTERM
2066 || scrollBar.above_slider (ev.y)
2067 || scrollBar.below_slider (ev.y))
2068 scr_move_to (scrollBar.position (ev.y) - csrO, scrollBar.size ());
2069
2070 scrollBar.state = SB_STATE_MOTION;
2071 break;
2072
2073 case Button1:
2074 if (scrollBar.align == SB_ALIGN_CENTRE)
2075 csrO = ev.y - scrollBar.top;
2076 /* FALLTHROUGH */
2077
2078 case Button3:
2079 if (scrollBar.style != SB_STYLE_XTERM)
2080 {
2081 if (scrollBar.above_slider (ev.y))
2082# ifdef RXVT_SCROLL_FULL
2083 scr_page (UP, nrow - 1);
2084# else
2085 scr_page (UP, nrow / 4);
2086# endif
2087 else if (scrollBar.below_slider (ev.y))
2088# ifdef RXVT_SCROLL_FULL
2089 scr_page (DN, nrow - 1);
2090# else
2091 scr_page (DN, nrow / 4);
2092# endif
2093 else
2094 scrollBar.state = SB_STATE_MOTION;
2095 }
839 else 2096 else
840 { 2097 {
2098 scr_page ((ev.button == Button1 ? DN : UP),
2099 (nrow
2100 * scrollBar.position (ev.y)
2101 / scrollBar.size ()));
2102 }
2103
2104 break;
2105 }
2106 }
2107
2108 return;
2109 }
2110}
2111
2112void
2113rxvt_term::button_release (XButtonEvent &ev)
2114{
2115 int reportmode = 0;
2116
2117 csrO = 0; /* reset csr Offset */
2118 if (!bypass_keystate)
2119 reportmode = !! (priv_modes & PrivMode_mouse_report);
2120
2121 if (scrollBar.state == SB_STATE_UP || scrollBar.state == SB_STATE_DOWN)
2122 {
2123 scrollBar.state = SB_STATE_IDLE;
2124 scrollBar.show (0);
2125 }
2126
2127#ifdef SELECTION_SCROLLING
2128 sel_scroll_ev.stop();
2129#endif
2130
2131 if (ev.window == vt)
2132 {
2133 if (HOOK_INVOKE ((this, HOOK_BUTTON_RELEASE, DT_XEVENT, &ev, DT_END)))
2134 return;
2135
2136#if ISO_14755
2137 // 5.4
2138 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
2139 return;
2140#endif
2141
2142 if (reportmode)
2143 {
2144 /* mouse report from vt window */
2145 /* don't report release of wheel "buttons" */
2146 if (ev.button >= 4)
2147 return;
2148#ifdef MOUSE_REPORT_DOUBLECLICK
2149 /* only report the release of 'slow' single clicks */
2150 if (MEvent.button != AnyButton
2151 && (ev.button != MEvent.button
2152 || (ev.time - MEvent.time
2153 > multiClickTime / 2)))
2154 {
2155 MEvent.clicks = 0;
2156 MEvent.button = ev.button;
2157 mouse_report (ev);
2158 }
2159#else /* MOUSE_REPORT_DOUBLECLICK */
2160 MEvent.button = ev.button;
2161 mouse_report (ev);
2162#endif /* MOUSE_REPORT_DOUBLECLICK */
2163 return;
2164 }
2165
2166 /*
2167 * dumb hack to compensate for the failure of click-and-drag
2168 * when overriding mouse reporting
2169 */
2170 if (priv_modes & PrivMode_mouse_report
2171 && bypass_keystate
2172 && ev.button == Button1 && MEvent.clicks <= 1)
2173 selection_extend (ev.x, ev.y, 0);
2174
2175 switch (ev.button)
2176 {
2177 case Button1:
2178 case Button3:
2179 selection_make (ev.time);
2180 break;
2181
2182 case Button2:
2183 if (IN_RANGE_EXC (ev.x, 0, vt_width) && IN_RANGE_EXC (ev.y, 0, vt_height)) // inside window?
2184 selection_request (ev.time, ev.state & ModMetaMask ? Sel_Clipboard : Sel_Primary);
2185 break;
2186
2187#ifdef MOUSE_WHEEL
2188 case Button4:
2189 case Button5:
2190 {
2191 int lines;
2192 page_dirn dirn;
2193
2194 dirn = ev.button == Button4 ? UP : DN;
2195
2196 if (ev.state & ShiftMask)
2197 lines = 1;
2198 else if (option (Opt_mouseWheelScrollPage))
2199 lines = nrow - 1;
2200 else
2201 lines = 5;
2202
2203# ifdef MOUSE_SLIP_WHEELING
2204 if (ev.state & ControlMask)
2205 {
2206 mouse_slip_wheel_speed += dirn;
2207 clamp_it (mouse_slip_wheel_speed, -nrow, nrow);
2208
2209 if (!slip_wheel_ev.is_active ())
2210 slip_wheel_ev.start (SCROLLBAR_CONTINUOUS_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
2211 }
2212 else
2213# endif
2214 {
2215 scr_page (dirn, lines);
2216 scrollBar.show (1);
2217 }
2218 }
2219 break;
2220#endif
2221 }
2222 }
2223}
2224
2225/*}}} */
2226
2227void ecb_hot
2228rxvt_term::cmd_parse ()
2229{
2230 wchar_t ch = NOCHAR;
2231 char *seq_begin; // remember start of esc-sequence here
2232
2233 for (;;)
2234 {
2235 if (ecb_unlikely (ch == NOCHAR))
2236 {
2237 seq_begin = cmdbuf_ptr;
2238 ch = next_char ();
2239
2240 if (ch == NOCHAR)
2241 break;
2242 }
2243
2244 if (ecb_likely (!IS_CONTROL (ch) || ch == C0_LF || ch == C0_CR || ch == C0_HT))
2245 {
2246 if (ecb_unlikely (!seen_input))
2247 {
2248 seen_input = 1;
2249 // many badly-written programs (e.g. jed) contain a race condition:
2250 // they first read the screensize and then install a SIGWINCH handler.
2251 // some window managers resize the window early, and these programs
2252 // then sometimes get the size wrong.
2253 // unfortunately other programs are even more buggy and dislike
2254 // being sent SIGWINCH, so only do it when we were in fact being
2255 // resized.
2256 if (seen_resize && cmd_pid)
2257 kill (-cmd_pid, SIGWINCH);
2258 }
2259
2260 /* Read a text string from the input buffer */
2261 wchar_t buf[UBUFSIZ];
2262 bool refreshnow = false;
2263 int nlines = 0;
2264 wchar_t *str = buf;
2265 wchar_t *eol = str + min (ncol, UBUFSIZ);
2266
2267 for (;;)
2268 {
2269 if (ecb_unlikely (ch == NOCHAR || (IS_CONTROL (ch) && ch != C0_LF && ch != C0_CR && ch != C0_HT)))
2270 break;
2271
841 *str++ = ch; 2272 *str++ = ch;
842 2273
2274 if (ecb_unlikely (ch == C0_LF || str >= eol))
2275 {
843 if (ch == '\n') 2276 if (ch == C0_LF)
2277 nlines++;
2278
2279 refresh_count++;
2280
2281 if (!option (Opt_jumpScroll) || refresh_count >= nrow - 1)
2282 {
2283 refresh_count = 0;
2284
2285 if (!option (Opt_skipScroll) || ev_time () > ev::now () + 1. / 60.)
844 { 2286 {
845 nlines++;
846 refresh_count++;
847
848 if (!(Options & Opt_jumpScroll)
849 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
850 {
851 refreshnow = true; 2287 refreshnow = true;
852 ch = NOCHAR; 2288 ch = NOCHAR;
853 break; 2289 break;
854 }
855 } 2290 }
2291 }
856 2292
2293 // scr_add_lines only works for nlines <= nrow - 1.
2294 if (nlines >= nrow - 1)
2295 {
2296 if (!(SHOULD_INVOKE (HOOK_ADD_LINES)
2297 && HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_WCS_LEN, buf, str - buf, DT_END))))
2298 scr_add_lines (buf, str - buf, nlines);
2299
2300 nlines = 0;
2301 str = buf;
2302 eol = str + min (ncol, UBUFSIZ);
2303 }
2304
2305 if (str >= eol)
2306 {
857 if (str >= buf + BUFSIZ) 2307 if (eol >= buf + UBUFSIZ)
858 { 2308 {
859 ch = NOCHAR; 2309 ch = NOCHAR;
860 break; 2310 break;
861 } 2311 }
2312 else
2313 eol = min (eol + ncol, buf + UBUFSIZ);
862 } 2314 }
2315
863 } 2316 }
864 2317
865 rxvt_scr_add_lines (this, buf, nlines, str - buf); 2318 seq_begin = cmdbuf_ptr;
866 2319 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 } 2320 }
2321
2322 if (!(SHOULD_INVOKE (HOOK_ADD_LINES)
2323 && HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_WCS_LEN, buf, str - buf, DT_END))))
2324 scr_add_lines (buf, str - buf, nlines);
2325
885 else 2326 /*
2327 * If there have been a lot of new lines, then update the screen
2328 * What the heck we'll cheat and only refresh less than every page-full.
2329 * if skipScroll is enabled.
2330 */
2331 if (refreshnow)
886 { 2332 {
887 switch (ch) 2333 scr_refresh ();
888 { 2334 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 } 2335 }
901 } 2336 }
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 { 2337 else
1066 button_number = R->MEvent.button - Button1; 2338 {
1067 /* add 0x3D for wheel events, like xterm does */ 2339 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 { 2340 {
1301 case VisibilityUnobscured: 2341 process_nonprinting (ch);
1302 R->refresh_type = FAST_REFRESH; 2342 }
2343 catch (const class out_of_input &o)
2344 {
2345 // we ran out of input, retry later
2346 cmdbuf_ptr = seq_begin;
1303 break; 2347 break;
1304 case VisibilityPartiallyObscured:
1305 R->refresh_type = SLOW_REFRESH;
1306 break;
1307 default:
1308 R->refresh_type = NO_REFRESH;
1309 break;
1310 } 2348 }
1311 break;
1312 2349
1313 case FocusIn: 2350 ch = NOCHAR;
1314 if (!R->TermWin.focus) { 2351 }
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 } 2352 }
1359#ifdef DEBUG_SIZE 2353}
1360 else { 2354
1361 D_SIZE((stderr, "Size: Not resizing")); 2355// read the next character
2356wchar_t ecb_hot
2357rxvt_term::next_char () noexcept
2358{
2359 while (cmdbuf_ptr < cmdbuf_endp)
2360 {
2361 // assume 7-bit to be ascii ALWAYS (always true in POSIX)
2362 if (ecb_likely ((unsigned char)*cmdbuf_ptr <= 0x7f))
2363 return *cmdbuf_ptr++;
2364
2365 wchar_t wc;
2366 size_t len = mbrtowc (&wc, cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, mbstate);
2367
2368 if (len == (size_t)-2)
2369 {
2370 // the mbstate stores incomplete sequences. didn't know this :/
2371 cmdbuf_ptr = cmdbuf_endp;
2372 break;
2373 }
2374
2375 if (len == (size_t)-1)
2376 {
2377 mbstate.reset (); // reset now undefined conversion state
2378 // a -1 might indicate that a previous incomplete char is invalid (previous return -2)
2379 // in which case we "erroneously" return the next byte which might be valid.
2380 return (unsigned char)*cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
2381 }
2382
2383 // assume wchar == unicode
2384 cmdbuf_ptr += len;
2385 return wc & UNICODE_MASK;
1362 } 2386 }
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 2387
1374 case SelectionClear: 2388 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} 2389}
1552 2390
1553/* INTPROTO */ 2391// read the next octet
1554void 2392uint32_t ecb_hot
1555rxvt_button_press(pR_ XButtonEvent *ev) 2393rxvt_term::next_octet () noexcept
1556{ 2394{
1557 int reportmode = 0, clickintime; 2395 return cmdbuf_ptr < cmdbuf_endp
2396 ? (unsigned char)*cmdbuf_ptr++
2397 : NOCHAR;
2398}
1558 2399
1559 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask); 2400static 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 2401
1590 /* don't report the release */ 2402wchar_t ecb_hot
1591 R->MEvent.clicks = 0; 2403rxvt_term::cmd_getc ()
1592 R->MEvent.button = AnyButton; 2404{
1593 } 2405 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 2406
1622 case Button3: 2407 if (c == NOCHAR)
1623 if (R->MEvent.button == Button3 && clickintime) 2408 throw out_of_input;
1624 rxvt_selection_rotate(aR_ ev->x, ev->y); 2409
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; 2410 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} 2411}
1771 2412
1772/* INTPROTO */ 2413uint32_t ecb_hot
1773void 2414rxvt_term::cmd_get8 ()
1774rxvt_button_release(pR_ XButtonEvent *ev)
1775{ 2415{
1776 int reportmode = 0; 2416 uint32_t c = next_octet ();
1777 2417
1778 R->csrO = 0; /* reset csr Offset */ 2418 if (c == NOCHAR)
1779 if (!R->bypass_keystate) 2419 throw out_of_input;
1780 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1781 2420
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; 2421 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} 2422}
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 2423
2073/*{{{ print pipe */ 2424/*{{{ print pipe */
2074/*----------------------------------------------------------------------*/ 2425/*----------------------------------------------------------------------*/
2075#ifdef PRINTPIPE 2426#ifdef PRINTPIPE
2076/* EXTPROTO */ 2427FILE * ecb_cold
2077FILE *
2078rxvt_popen_printer(pR) 2428rxvt_term::popen_printer ()
2079{ 2429{
2080 FILE *stream = popen(R->rs[Rs_print_pipe], "w"); 2430 FILE *stream = popen (rs[Rs_print_pipe] ? rs[Rs_print_pipe] : PRINTPIPE, "w");
2081 2431
2082 if (stream == NULL) 2432 if (stream == NULL)
2083 rxvt_print_error("can't open printer pipe"); 2433 rxvt_warn ("can't open printer pipe, not printing.\n");
2434
2084 return stream; 2435 return stream;
2085} 2436}
2086 2437
2087/* EXTPROTO */ 2438int ecb_cold
2088int
2089rxvt_pclose_printer(FILE *stream) 2439rxvt_term::pclose_printer (FILE *stream)
2090{ 2440{
2091 fflush(stream); 2441 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); 2442 return pclose (stream);
2098# endif
2099} 2443}
2100 2444
2101/* 2445/*
2102 * simulate attached vt100 printer 2446 * simulate attached vt100 printer
2103 */ 2447 */
2104/* INTPROTO */ 2448void ecb_cold
2105void
2106rxvt_process_print_pipe(pR) 2449rxvt_term::process_print_pipe ()
2107{ 2450{
2108 int done; 2451 FILE *fd = popen_printer ();
2109 FILE *fd;
2110 2452
2111 if ((fd = rxvt_popen_printer(aR)) == NULL) 2453 if (!fd)
2112 return; 2454 return;
2113 2455
2114/* 2456 /*
2115 * Send all input to the printer until either ESC[4i or ESC[?4i 2457 * Send all input to the printer until either ESC[4i or ESC[?4i
2116 * is received. 2458 * is received.
2117 */ 2459 */
2118 for (done = 0; !done;) { 2460 for (int done = 0; !done; )
2461 {
2119 unsigned char buf[8]; 2462 unsigned char buf[8];
2120 unsigned char ch; 2463 unicode_t ch;
2121 unsigned int i, len; 2464 unsigned int i, len;
2122 2465
2123 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) { 2466 if ((ch = cmd_getc ()) != C0_ESC)
2467 {
2124 if (putc(ch, fd) == EOF) 2468 if (putc (ch, fd) == EOF)
2125 break; /* done = 1 */ 2469 break; /* done = 1 */
2126 } else { 2470 }
2471 else
2472 {
2127 len = 0; 2473 len = 0;
2128 buf[len++] = ch; 2474 buf[len++] = ch;
2129 2475
2130 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') { 2476 if ((buf[len++] = cmd_getc ()) == '[')
2131 if ((ch = rxvt_cmd_getc(aR)) == '?') { 2477 {
2132 buf[len++] = '?'; 2478 if ((ch = cmd_getc ()) == '?')
2133 ch = rxvt_cmd_getc(aR); 2479 {
2134 } 2480 buf[len++] = '?';
2481 ch = cmd_getc ();
2482 }
2135 if ((buf[len++] = ch) == '4') { 2483 if ((buf[len++] = ch) == '4')
2484 {
2136 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i') 2485 if ((buf[len++] = cmd_getc ()) == 'i')
2137 break; /* done = 1 */ 2486 break; /* done = 1 */
2138 } 2487 }
2488 }
2489
2490 for (i = 0; i < len; i++)
2491 if (putc (buf[i], fd) == EOF)
2492 {
2493 done = 1;
2494 break;
2495 }
2496 }
2139 } 2497 }
2140 for (i = 0; i < len; i++) 2498
2141 if (putc(buf[i], fd) == EOF) {
2142 done = 1;
2143 break;
2144 }
2145 }
2146 }
2147 rxvt_pclose_printer(fd); 2499 pclose_printer (fd);
2148} 2500}
2149#endif /* PRINTPIPE */ 2501#endif /* PRINTPIPE */
2150/*}}} */ 2502/*}}} */
2151 2503
2152/* *INDENT-OFF* */
2153enum { 2504enum {
2154 C1_40 = 0x40, 2505 C1_40 = 0x40,
2155 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA, 2506 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, 2507 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, 2508 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 2509 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC,
2159}; 2510};
2160/* *INDENT-ON* */
2161 2511
2162/*{{{ process non-printing single characters */ 2512/*{{{ process non-printing single characters */
2163/* INTPROTO */ 2513void ecb_hot
2164void 2514rxvt_term::process_nonprinting (unicode_t ch)
2165rxvt_process_nonprinting(pR_ unsigned char ch)
2166{ 2515{
2167 switch (ch) { 2516 switch (ch)
2517 {
2518 case C0_ESC:
2519 process_escape_seq ();
2520 break;
2168 case C0_ENQ: /* terminal Status */ 2521 case C0_ENQ: /* terminal Status */
2169 if (R->rs[Rs_answerbackstring]) 2522 if (rs[Rs_answerbackstring])
2170 rxvt_tt_write(aR_ 2523 tt_write (rs [Rs_answerbackstring], strlen (rs [Rs_answerbackstring]));
2171 (const unsigned char *)R->rs[Rs_answerbackstring], 2524 else
2172 (unsigned int)STRLEN(R->rs[Rs_answerbackstring])); 2525 tt_write (VT100_ANS, strlen (VT100_ANS));
2173 else 2526 break;
2174 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2175 (unsigned int)STRLEN(VT100_ANS));
2176 break;
2177 case C0_BEL: /* bell */ 2527 case C0_BEL: /* bell */
2178 rxvt_scr_bell(aR); 2528 scr_bell ();
2179 break; 2529 break;
2180 case C0_BS: /* backspace */ 2530 case C0_BS: /* backspace */
2181 rxvt_scr_backspace(aR); 2531 scr_backspace ();
2182 break; 2532 break;
2183 case C0_HT: /* tab */ 2533 case C0_HT: /* tab */
2184 rxvt_scr_tab(aR_ 1); 2534 scr_tab (1);
2185 break; 2535 break;
2186 case C0_CR: /* carriage return */ 2536 case C0_CR: /* carriage return */
2187 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 2537 scr_gotorc (0, 0, R_RELATIVE);
2188 break; 2538 break;
2189 case C0_VT: /* vertical tab, form feed */ 2539 case C0_VT: /* vertical tab, form feed */
2190 case C0_FF: 2540 case C0_FF:
2191 case C0_LF: /* line feed */ 2541 case C0_LF: /* line feed */
2192 rxvt_scr_index(aR_ UP); 2542 scr_index (UP);
2193 break; 2543 break;
2194 case C0_SO: /* shift out - acs */ 2544 case C0_SO: /* shift out - acs */
2195 rxvt_scr_charset_choose(aR_ 1); 2545 scr_charset_choose (1);
2196 break; 2546 break;
2197 case C0_SI: /* shift in - acs */ 2547 case C0_SI: /* shift in - acs */
2198 rxvt_scr_charset_choose(aR_ 0); 2548 scr_charset_choose (0);
2199 break; 2549 break;
2550
2551#ifdef EIGHT_BIT_CONTROLS
2552 // 8-bit controls
2553 case 0x90: /* DCS */
2554 process_dcs_seq ();
2555 break;
2556 case 0x9b: /* CSI */
2557 process_csi_seq ();
2558 break;
2559 case 0x9d: /* OSC */
2560 process_osc_seq ();
2561 break;
2562#endif
2200 } 2563 }
2201} 2564}
2202/*}}} */ 2565/*}}} */
2203 2566
2204 2567
2205/*{{{ process VT52 escape sequences */ 2568/*{{{ process VT52 escape sequences */
2206/* INTPROTO */ 2569void ecb_cold
2207void 2570rxvt_term::process_escape_vt52 (unicode_t ch)
2208rxvt_process_escape_vt52(pR_ unsigned char ch)
2209{ 2571{
2210 int row, col; 2572 int row, col;
2573
2574 switch (ch)
2211 2575 {
2212 switch (ch) {
2213 case 'A': /* cursor up */ 2576 case 'A': /* cursor up */
2214 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE); 2577 scr_gotorc (-1, 0, R_RELATIVE | C_RELATIVE);
2215 break; 2578 break;
2216 case 'B': /* cursor down */ 2579 case 'B': /* cursor down */
2217 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE); 2580 scr_gotorc (1, 0, R_RELATIVE | C_RELATIVE);
2218 break; 2581 break;
2219 case 'C': /* cursor right */ 2582 case 'C': /* cursor right */
2220 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 2583 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
2221 break; 2584 break;
2222 case 'D': /* cursor left */ 2585 case 'D': /* cursor left */
2223 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 2586 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
2224 break; 2587 break;
2225 case 'H': /* cursor home */ 2588 case 'H': /* cursor home */
2226 rxvt_scr_gotorc(aR_ 0, 0, 0); 2589 scr_gotorc (0, 0, 0);
2227 break; 2590 break;
2228 case 'I': /* cursor up and scroll down if needed */ 2591 case 'I': /* cursor up and scroll down if needed */
2229 rxvt_scr_index(aR_ DN); 2592 scr_index (DN);
2230 break; 2593 break;
2231 case 'J': /* erase to end of screen */ 2594 case 'J': /* erase to end of screen */
2232 rxvt_scr_erase_screen(aR_ 0); 2595 scr_erase_screen (0);
2233 break; 2596 break;
2234 case 'K': /* erase to end of line */ 2597 case 'K': /* erase to end of line */
2235 rxvt_scr_erase_line(aR_ 0); 2598 scr_erase_line (0);
2236 break; 2599 break;
2237 case 'Y': /* move to specified row and col */ 2600 case 'Y': /* move to specified row and col */
2238 /* full command is 'ESC Y row col' where row and col 2601 /* full command is 'ESC Y row col' where row and col
2239 * are encoded by adding 32 and sending the ascii 2602 * are encoded by adding 32 and sending the ascii
2240 * character. eg. SPACE = 0, '+' = 13, '0' = 18, 2603 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2241 * etc. */ 2604 * etc. */
2242 row = rxvt_cmd_getc(aR) - ' '; 2605 row = cmd_getc () - ' ';
2243 col = rxvt_cmd_getc(aR) - ' '; 2606 col = cmd_getc () - ' ';
2244 rxvt_scr_gotorc(aR_ row, col, 0); 2607 scr_gotorc (row, col, 0);
2245 break; 2608 break;
2246 case 'Z': /* identify the terminal type */ 2609 case 'Z': /* identify the terminal type */
2247 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */ 2610 tt_printf ("\033/Z"); /* I am a VT100 emulating a VT52 */
2248 break; 2611 break;
2249 case '<': /* turn off VT52 mode */ 2612 case '<': /* turn off VT52 mode */
2250 PrivMode(0, PrivMode_vt52); 2613 priv_modes &= ~PrivMode_vt52;
2251 break; 2614 break;
2252 case 'F': /* use special graphics character set */ 2615 case 'F': /* use special graphics character set */
2253 case 'G': /* use regular character set */ 2616 case 'G': /* use regular character set */
2254 /* unimplemented */ 2617 /* unimplemented */
2255 break; 2618 break;
2256 case '=': /* use alternate keypad mode */ 2619 case '=': /* use alternate keypad mode */
2257 case '>': /* use regular keypad mode */ 2620 case '>': /* use regular keypad mode */
2258 /* unimplemented */ 2621 /* unimplemented */
2259 break; 2622 break;
2260 } 2623 }
2261} 2624}
2262/*}}} */ 2625/*}}} */
2263 2626
2264 2627
2265/*{{{ process escape sequences */ 2628/*{{{ process escape sequences */
2266/* INTPROTO */ 2629void ecb_hot
2267void
2268rxvt_process_escape_seq(pR) 2630rxvt_term::process_escape_seq ()
2269{ 2631{
2270 unsigned char ch = rxvt_cmd_getc(aR); 2632 unicode_t ch = cmd_getc ();
2271 2633
2272 if (R->PrivateModes & PrivMode_vt52) { 2634 if (priv_modes & PrivMode_vt52)
2273 rxvt_process_escape_vt52(aR_ ch);
2274 return;
2275 }
2276 2635 {
2636 process_escape_vt52 (ch);
2637 return;
2638 }
2639
2277 switch (ch) { 2640 switch (ch)
2278 /* case 1: do_tek_mode (); break; */ 2641 {
2279 case '#': 2642 case '#':
2280 if (rxvt_cmd_getc(aR) == '8') 2643 if (cmd_getc () == '8')
2281 rxvt_scr_E(aR); 2644 scr_E ();
2282 break; 2645 break;
2283 case '(': 2646 case '(':
2284 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR)); 2647 scr_charset_set (0, (unsigned int)cmd_getc ());
2285 break; 2648 break;
2286 case ')': 2649 case ')':
2287 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR)); 2650 scr_charset_set (1, (unsigned int)cmd_getc ());
2288 break; 2651 break;
2289 case '*': 2652 case '*':
2290 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR)); 2653 scr_charset_set (2, (unsigned int)cmd_getc ());
2291 break; 2654 break;
2292 case '+': 2655 case '+':
2293 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR)); 2656 scr_charset_set (3, (unsigned int)cmd_getc ());
2294 break; 2657 break;
2295#ifdef MULTICHAR_SET 2658#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': 2659 case '6':
2302 rxvt_scr_backindex(aR); 2660 scr_backindex ();
2303 break; 2661 break;
2304#endif 2662#endif
2305 case '7': 2663 case '7':
2306 rxvt_scr_cursor(aR_ SAVE); 2664 scr_cursor (SAVE);
2307 break; 2665 break;
2308 case '8': 2666 case '8':
2309 rxvt_scr_cursor(aR_ RESTORE); 2667 scr_cursor (RESTORE);
2310 break; 2668 break;
2311#ifndef NO_FRILLS 2669#if !ENABLE_MINIMAL
2312 case '9': 2670 case '9':
2313 rxvt_scr_forwardindex(aR); 2671 scr_forwardindex ();
2314 break; 2672 break;
2315#endif 2673#endif
2674 // DECPAM/DECPNM
2316 case '=': 2675 case '=':
2676 priv_modes |= PrivMode_aplKP;
2677 break;
2317 case '>': 2678 case '>':
2318 PrivMode((ch == '='), PrivMode_aplKP); 2679 priv_modes &= ~PrivMode_aplKP;
2319 break; 2680 break;
2320 2681
2321 case C1_40: 2682 case C1_40:
2322 rxvt_cmd_getc(aR); 2683 cmd_getc ();
2323 break; 2684 break;
2324 case C1_44: 2685 case C1_44:
2325 rxvt_scr_index(aR_ UP); 2686 scr_index (UP);
2326 break; 2687 break;
2327 2688
2328 /* 8.3.87: NEXT LINE */ 2689 /* 8.3.87: NEXT LINE */
2329 case C1_NEL: /* ESC E */ 2690 case C1_NEL: /* ESC E */
2330 {
2331 uint32_t nlcr[] = { '\n', '\r' };
2332 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2333 } 2691 {
2334 break; 2692 wchar_t nlcr[] = { C0_LF, C0_CR };
2693 scr_add_lines (nlcr, ecb_array_length (nlcr), 1);
2694 }
2695 break;
2335 2696
2697#if 0 // disabled because embedded newlines can make exploits easier
2336 /* kidnapped escape sequence: Should be 8.3.48 */ 2698 /* kidnapped escape sequence: Should be 8.3.48 */
2337 case C1_ESA: /* ESC G */ 2699 case C1_ESA: /* ESC G */
2338 rxvt_process_graphics(aR); 2700 // used by original rxvt for rob nations own graphics mode
2339 break; 2701 if (cmd_getc () == 'Q' && option (Opt_insecure))
2702 tt_printf ("\033G0\012"); /* query graphics - no graphics */
2703 break;
2704#endif
2340 2705
2341 /* 8.3.63: CHARACTER TABULATION SET */ 2706 /* 8.3.63: CHARACTER TABULATION SET */
2342 case C1_HTS: /* ESC H */ 2707 case C1_HTS: /* ESC H */
2343 rxvt_scr_set_tab(aR_ 1); 2708 scr_set_tab (1);
2344 break; 2709 break;
2345 2710
2346 /* 8.3.105: REVERSE LINE FEED */ 2711 /* 8.3.105: REVERSE LINE FEED */
2347 case C1_RI: /* ESC M */ 2712 case C1_RI: /* ESC M */
2348 rxvt_scr_index(aR_ DN); 2713 scr_index (DN);
2349 break; 2714 break;
2350 2715
2351 /* 8.3.142: SINGLE-SHIFT TWO */ 2716 /* 8.3.142: SINGLE-SHIFT TWO */
2352 /*case C1_SS2: scr_single_shift (2); break; */ 2717 /* case C1_SS2: break; */
2353 2718
2354 /* 8.3.143: SINGLE-SHIFT THREE */ 2719 /* 8.3.143: SINGLE-SHIFT THREE */
2355 /*case C1_SS3: scr_single_shift (3); break; */ 2720 /* case C1_SS3: break; */
2356 2721
2357 /* 8.3.27: DEVICE CONTROL STRING */ 2722 /* 8.3.27: DEVICE CONTROL STRING */
2358 case C1_DCS: /* ESC P */ 2723 case C1_DCS: /* ESC P */
2359 rxvt_process_dcs_seq(aR); 2724 process_dcs_seq ();
2360 break; 2725 break;
2361 2726
2362 /* 8.3.110: SINGLE CHARACTER INTRODUCER */ 2727 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2363 case C1_SCI: /* ESC Z */ 2728 case C1_SCI: /* ESC Z */
2364 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER, 2729 tt_write (ESCZ_ANSWER, sizeof (ESCZ_ANSWER) - 1);
2365 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2366 break; /* steal obsolete ESC [ c */ 2730 break; /* steal obsolete ESC [ c */
2367 2731
2368 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */ 2732 /* 8.3.16: CONTROL SEQUENCE INTRODUCER (CSI) */
2369 case C1_CSI: /* ESC [ */ 2733 case C1_CSI: /* ESC [ */
2370 rxvt_process_csi_seq(aR); 2734 process_csi_seq ();
2371 break; 2735 break;
2372 2736
2373 /* 8.3.90: OPERATING SYSTEM COMMAND */ 2737 /* 8.3.90: OPERATING SYSTEM COMMAND (OSC) */
2374 case C1_OSC: /* ESC ] */ 2738 case C1_OSC: /* ESC ] */
2375 rxvt_process_osc_seq(aR); 2739 process_osc_seq ();
2376 break; 2740 break;
2377 2741
2378 /* 8.3.106: RESET TO INITIAL STATE */ 2742 /* 8.3.106: RESET TO INITIAL STATE (RIS) */
2379 case 'c': 2743 case 'c':
2380 rxvt_scr_poweron(aR); 2744 mbstate.reset ();
2381 rxvt_scrollbar_show(aR_ 1); 2745 scr_poweron ();
2382 break; 2746 scrollBar.show (1);
2747 break;
2383 2748
2384 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */ 2749 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2385 case 'n': 2750 case 'n':
2386 rxvt_scr_charset_choose(aR_ 2); 2751 scr_charset_choose (2);
2387 break; 2752 break;
2388 2753
2389 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */ 2754 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2390 case 'o': 2755 case 'o':
2391 rxvt_scr_charset_choose(aR_ 3); 2756 scr_charset_choose (3);
2392 break; 2757 break;
2393 } 2758 }
2394} 2759}
2395/*}}} */ 2760/*}}} */
2396 2761
2397/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */ 2762/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2398/* *INDENT-OFF* */
2399enum { 2763enum {
2400 CSI_ICH = 0x40, 2764 CSI_ICH = 0x40,
2401 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA, 2765 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 , 2766 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, 2767 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, 2768 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, 2769 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, 2770 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 , 2771 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 2772 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2409}; 2773};
2410 2774
2411#define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \ 2775#define make_byte(b0,b1,b2,b3,b4,b5,b6,b7) \
2412 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \ 2776 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2413 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0)) 2777 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2414#define get_byte_array_bit(array, bit) \ 2778#define get_byte_array_bit(array, bit) \
2415 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7)))) 2779 (!! ((array)[(bit) >> 3] & (1 << ((bit) & 7))))
2416 2780
2417const unsigned char csi_defaults[] = { 2781static const unsigned char csi_defaults[] =
2782 {
2418 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */ 2783 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, */ 2784 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, */ 2785 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, [, \, ], ^, _, */ 2786 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, */ 2787 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, */ 2788 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, */ 2789 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, {, |, }, ~, */ 2790 make_byte (0,0,0,0,0,0,0,0), /* x, y, z, {, |, }, ~, */
2426}; 2791 };
2427/* *INDENT-ON* */
2428 2792
2429/* INTPROTO */ 2793void ecb_hot
2794rxvt_term::process_csi_seq ()
2795{
2796 unicode_t ch, priv, prev_ch, i;
2797 unsigned int nargs, p;
2798 int n, ndef;
2799 int arg[ESC_ARGS] = { };
2800
2801 nargs = 0;
2802
2803 priv = 0;
2804 ch = cmd_getc ();
2805 if ((ch >= '<' && ch <= '?') || ch == '!')
2806 {
2807 /* '<' '=' '>' '?' '!' */
2808 priv = ch;
2809 ch = cmd_getc ();
2810 }
2811
2812 prev_ch = 0;
2813 /* read any numerical arguments */
2814 for (n = -1; ch < CSI_ICH; )
2815 {
2816 if (isdigit (ch))
2817 {
2818 if (n < 0)
2819 n = ch - '0';
2820 else
2821 n = n * 10 + ch - '0';
2822 }
2823 else if (ch == ';')
2824 {
2825 if (nargs < ESC_ARGS)
2826 arg[nargs++] = n;
2827 n = -1;
2828 }
2829 else if (IS_CONTROL (ch))
2830 process_nonprinting (ch);
2831
2832 prev_ch = ch;
2833 ch = cmd_getc ();
2834 }
2835
2836 if (ch > CSI_7F)
2837 return;
2838
2839 if (nargs < ESC_ARGS)
2840 arg[nargs++] = n;
2841
2842 i = ch - CSI_ICH;
2843 ndef = get_byte_array_bit (csi_defaults, i);
2844 for (p = 0; p < nargs; p++)
2845 if (arg[p] == -1)
2846 arg[p] = ndef;
2847
2848 /*
2849 * private mode handling
2850 */
2851 if (priv)
2852 {
2853 switch (priv)
2854 {
2855 case '>':
2856 if (ch == CSI_DA) /* secondary device attributes */
2857 {
2858 // first parameter is normally 0 for vt100, 1 for vt220, 'R' for rxvt,
2859 // 'U' for rxvt-unicode != 7.[34] (where it was broken).
2860 //
2861 // second parameter is xterm patch level for xterm, MMmmpp (e.g. 20703) for rxvt
2862 // and Mm (e.g. 72 for 7.2) for urxvt <= 7.2, 94 for urxvt <= 8.3, and 95 for later
2863 // versions.
2864 //
2865 tt_printf ("\033[>%d;95;0c", 'U');
2866 }
2867 break;
2868
2869 case '?':
2870 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2871 process_terminal_mode (ch, priv, nargs, arg);
2872 if (prev_ch == '$' && ch == 'p')
2873 process_terminal_mode (ch, priv, nargs, arg);
2874 break;
2875
2876 case '!':
2877 if (ch == CSI_70)
2878 {
2879 /* DECSTR: soft terminal reset, used by our terminfo since 9.06 */
2880 scr_soft_reset ();
2881
2882 static const int pm_h[] = { 7, 25 };
2883 static const int pm_l[] = { 1, 3, 4, 5, 6, 9, 66, 1000, 1001, 1005, 1006, 1015, 1049 };
2884
2885 process_terminal_mode ('h', 0, ecb_array_length (pm_h), pm_h);
2886 process_terminal_mode ('l', 0, ecb_array_length (pm_l), pm_l);
2887 }
2888 break;
2889 }
2890
2891 return;
2892 }
2893
2894 switch (ch)
2895 {
2896 /*
2897 * ISO/IEC 6429:1992 (E) CSI sequences (defaults in parentheses)
2898 */
2899#ifdef PRINTPIPE
2900 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2901 switch (arg[0])
2902 {
2903 case 0: /* initiate transfer to primary aux device */
2904 scr_printscreen (0);
2905 break;
2906 case 5: /* start relay to primary aux device */
2907 process_print_pipe ();
2908 break;
2909 }
2910 break;
2911#endif
2912
2913 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2914 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2915 arg[0] = -arg[0];
2916 /* FALLTHROUGH */
2917 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2918 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2919 scr_gotorc (arg[0], 0, RELATIVE);
2920 break;
2921
2922 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2923 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2924#ifdef ISO6429
2925 arg[0] = -arg[0];
2926#else /* emulate common DEC VTs */
2927 arg[0] = arg[0] ? -arg[0] : -1;
2928#endif
2929 /* FALLTHROUGH */
2930 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2931 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2932#ifdef ISO6429
2933 scr_gotorc (0, arg[0], RELATIVE);
2934#else /* emulate common DEC VTs */
2935 scr_gotorc (0, arg[0] ? arg[0] : 1, RELATIVE);
2936#endif
2937 break;
2938
2939 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2940 arg[0] = -arg[0];
2941 /* FALLTHROUGH */
2942 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2943 scr_gotorc (arg[0], 0, R_RELATIVE);
2944 break;
2945
2946 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2947 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2948 scr_gotorc (0, arg[0] - 1, R_RELATIVE);
2949 break;
2950
2951 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2952 scr_gotorc (arg[0] - 1, 0, C_RELATIVE);
2953 break;
2954
2955 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2956 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2957 scr_gotorc (arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2958 break;
2959
2960 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2961 arg[0] = -arg[0];
2962 /* FALLTHROUGH */
2963 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2964 scr_tab (arg[0]);
2965 break;
2966
2967 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2968 scr_erase_screen (arg[0]);
2969 break;
2970
2971 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2972 scr_erase_line (arg[0]);
2973 break;
2974
2975 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2976 scr_insdel_chars (arg[0], INSERT);
2977 break;
2978
2979 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2980 scr_insdel_lines (arg[0], INSERT);
2981 break;
2982
2983 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2984 scr_insdel_lines (arg[0], DELETE);
2985 break;
2986
2987 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2988 scr_insdel_chars (arg[0], ERASE);
2989 break;
2990
2991 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2992 scr_insdel_chars (arg[0], DELETE);
2993 break;
2994
2995 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2996 arg[0] = -arg[0];
2997 /* FALLTHROUGH */
2998 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2999 scr_scroll_text (screen.tscroll, screen.bscroll, arg[0]);
3000 break;
3001
3002 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
3003 tt_write (VT100_ANS, sizeof (VT100_ANS) - 1);
3004 break;
3005
3006 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
3007 process_sgr_mode (nargs, arg);
3008 break;
3009
3010 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
3011 switch (arg[0])
3012 {
3013 case 5: /* DSR requested */
3014 tt_printf ("\033[0n");
3015 break;
3016 case 6: /* CPR requested */
3017 scr_report_position ();
3018 break;
3019 case 7: /* unofficial extension */
3020 if (option (Opt_insecure))
3021 tt_printf ("%-.250s\012", rs[Rs_display_name]);
3022 break;
3023 case 8: /* unofficial extension */
3024 process_xterm_seq (XTerm_title, (char *)RESNAME "-" VERSION, CHAR_ST); // char * cast verified
3025 break;
3026 }
3027 break;
3028
3029 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
3030 switch (arg[0])
3031 {
3032 case 0: /* char tab stop cleared at active position */
3033 scr_set_tab (0);
3034 break;
3035 /* case 1: */ /* line tab stop cleared in active line */
3036 /* case 2: */ /* char tab stops cleared in active line */
3037 case 3: /* all char tab stops are cleared */
3038 /* case 4: */ /* all line tab stops are cleared */
3039 case 5: /* all tab stops are cleared */
3040 scr_set_tab (-1);
3041 break;
3042 }
3043 break;
3044
3045 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
3046 switch (arg[0])
3047 {
3048 case 0: /* char tab stop set at active position */
3049 scr_set_tab (1);
3050 break; /* = ESC H */
3051 /* case 1: */ /* line tab stop set at active line */
3052 case 2: /* char tab stop cleared at active position */
3053 scr_set_tab (0);
3054 break; /* = ESC [ 0 g */
3055 /* case 3: */ /* line tab stop cleared at active line */
3056 /* case 4: */ /* char tab stops cleared at active line */
3057 case 5: /* all char tab stops are cleared */
3058 scr_set_tab (-1);
3059 break; /* = ESC [ 3 g */
3060 /* case 6: */ /* all line tab stops are cleared */
3061 }
3062 break;
3063
3064 case CSI_RM: /* 8.3.107: RESET MODE */
3065 if (arg[0] == 4)
3066 scr_insert_mode (0);
3067 else if (arg[0] == 20)
3068 priv_modes &= ~PrivMode_LFNL;
3069 break;
3070
3071 case CSI_SM: /* 8.3.126: SET MODE */
3072 if (arg[0] == 4)
3073 scr_insert_mode (1);
3074 else if (arg[0] == 20)
3075 priv_modes |= PrivMode_LFNL;
3076 break;
3077
3078 case CSI_71: // DECSCUSR: set cursor style
3079 if (prev_ch == ' ')
3080 set_cursor_style (arg[0]);
3081 break;
3082
3083 /*
3084 * PRIVATE USE beyond this point. All CSI_7? sequences here
3085 */
3086 case CSI_72: /* DECSTBM: set top and bottom margins */
3087 if (nargs == 1)
3088 scr_scroll_region (arg[0] - 1, MAX_ROWS - 1);
3089 else if (nargs == 0 || arg[0] >= arg[1])
3090 scr_scroll_region (0, MAX_ROWS - 1);
3091 else
3092 scr_scroll_region (arg[0] - 1, arg[1] - 1);
3093 break;
3094
3095 case CSI_73:
3096 scr_cursor (SAVE);
3097 break;
3098 case CSI_75:
3099 scr_cursor (RESTORE);
3100 break;
3101
3102#if !ENABLE_MINIMAL
3103 case CSI_74:
3104 process_window_ops (arg, nargs);
3105 break;
3106#endif
3107
3108 case CSI_78: /* DECREQTPARM */
3109 if (arg[0] == 0 || arg[0] == 1)
3110 tt_printf ("\033[%d;1;1;128;128;1;0x", arg[0] + 2);
3111 break;
3112
3113 default:
3114 break;
3115 }
3116}
3117/*}}} */
3118
3119#if !ENABLE_MINIMAL
2430void 3120void
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) 3121rxvt_term::process_window_ops (const int *args, unsigned int nargs)
2723{ 3122{
2724 int x, y; 3123 int x, y;
2725#if 0
2726 char *s;
2727#endif
2728 XWindowAttributes wattr; 3124 XWindowAttributes wattr;
2729 Window wdummy; 3125 Window wdummy;
2730 3126
3127 dLocal (Display *, dpy);
3128
2731 if (nargs == 0) 3129 if (nargs == 0)
2732 return; 3130 return;
3131
2733 switch (args[0]) { 3132 switch (args[0])
3133 {
2734 /* 3134 /*
2735 * commands 3135 * commands
2736 */ 3136 */
2737 case 1: /* deiconify window */ 3137 case 1: /* deiconify window */
2738 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 3138 XMapWindow (dpy, parent);
2739 break; 3139 break;
2740 case 2: /* iconify window */ 3140 case 2: /* iconify window */
2741 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0], 3141 XIconifyWindow (dpy, parent, display->screen);
2742 DefaultScreen(R->Xdisplay)); 3142 break;
2743 break;
2744 case 3: /* set position (pixels) */ 3143 case 3: /* set position (pixels) */
2745 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]); 3144 XMoveWindow (dpy, parent, args[1], args[2]);
2746 break; 3145 break;
2747 case 4: /* set size (pixels) */ 3146 case 4: /* set size (pixels) */
2748 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]); 3147 set_widthheight ((unsigned int)args[2], (unsigned int)args[1]);
2749 break; 3148 break;
2750 case 5: /* raise window */ 3149 case 5: /* raise window */
2751 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]); 3150 XRaiseWindow (dpy, parent);
2752 break; 3151 break;
2753 case 6: /* lower window */ 3152 case 6: /* lower window */
2754 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]); 3153 XLowerWindow (dpy, parent);
2755 break; 3154 break;
2756 case 7: /* refresh window */ 3155 case 7: /* refresh window */
2757 rxvt_scr_touch(aR_ True); 3156 scr_touch (true);
2758 break; 3157 break;
2759 case 8: /* set size (chars) */ 3158 case 8: /* set size (chars) */
2760 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth), 3159 set_widthheight ((unsigned int) (args[2] * fwidth),
2761 (unsigned int)(args[1] * R->TermWin.fheight)); 3160 (unsigned int) (args[1] * fheight));
2762 break; 3161 break;
3162
3163 //case 9: NYI, TODO, restore maximized window or maximize window
2763 default: 3164 default:
2764 if (args[0] >= 24) /* set height (chars) */ 3165 if (args[0] >= 24) /* set height (chars) */
2765 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width, 3166 set_widthheight ((unsigned int)vt_width,
2766 (unsigned int)(args[1] * R->TermWin.fheight)); 3167 (unsigned int) (args[1] * fheight));
2767 break; 3168 break;
3169
2768 /* 3170 /*
2769 * reports - some output format copied from XTerm 3171 * reports - some output format copied from XTerm
2770 */ 3172 */
2771 case 11: /* report window state */ 3173 case 11: /* report window state */
2772 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3174 XGetWindowAttributes (dpy, parent, &wattr);
2773 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2); 3175 tt_printf ("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2774 break; 3176 break;
2775 case 13: /* report window position */ 3177 case 13: /* report window position */
2776 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3178 XGetWindowAttributes (dpy, parent, &wattr);
2777 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root, 3179 XTranslateCoordinates (dpy, parent, wattr.root,
2778 -wattr.border_width, -wattr.border_width, 3180 -wattr.border_width, -wattr.border_width,
2779 &x, &y, &wdummy); 3181 &x, &y, &wdummy);
2780 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y); 3182 tt_printf ("\033[3;%d;%dt", x, y);
2781 break; 3183 break;
2782 case 14: /* report window size (pixels) */ 3184 case 14: /* report window size (pixels) */
2783 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3185 XGetWindowAttributes (dpy, parent, &wattr);
2784 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width); 3186 tt_printf ("\033[4;%d;%dt", wattr.height, wattr.width);
2785 break; 3187 break;
3188 case 18: /* report text area size (chars) */
3189 tt_printf ("\033[8;%d;%dt", nrow, ncol);
3190 break;
2786 case 18: /* report window size (chars) */ 3191 case 19: /* report window size (chars) */
2787 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol); 3192 tt_printf ("\033[9;%d;%dt", nrow, ncol);
2788 break; 3193 break;
2789#if 0 /* XXX: currently disabled due to security concerns */
2790 case 20: /* report icon label */ 3194 case 20: /* report icon label */
2791 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s); 3195 {
2792 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */ 3196 char *s;
2793 break; 3197 XGetIconName (dpy, parent, &s);
3198 tt_printf ("\033]L%-.250s\234", option (Opt_insecure) && s ? s : ""); /* 8bit ST */
3199 XFree (s);
3200 }
3201 break;
2794 case 21: /* report window title */ 3202 case 21: /* report window title */
2795 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s); 3203 {
2796 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */ 3204 char *s;
2797 break; 3205 XFetchName (dpy, parent, &s);
2798#endif 3206 tt_printf ("\033]l%-.250s\234", option (Opt_insecure) && s ? s : ""); /* 8bit ST */
3207 XFree (s);
3208 }
3209 break;
2799 } 3210 }
2800} 3211}
2801#endif 3212#endif
2802 3213
2803/*----------------------------------------------------------------------*/ 3214/*----------------------------------------------------------------------*/
2804/* 3215/*
2805 * get input up until STRING TERMINATOR (or BEL) 3216 * get input up until STRING TERMINATOR (or BEL)
2806 * ends_how is terminator used. returned input must be free()d 3217 * ends_how is terminator used. returned input must be free()'d
2807 */ 3218 */
2808/* INTPROTO */ 3219char *
2809unsigned char * 3220rxvt_term::get_to_st (unicode_t &ends_how)
2810rxvt_get_to_st(pR_ unsigned char *ends_how)
2811{ 3221{
2812 int seen_esc = 0; /* seen escape? */ 3222 unicode_t ch;
3223 bool seen_esc = false;
2813 unsigned int n = 0; 3224 unsigned int n = 0;
2814 unsigned char *s; 3225 wchar_t string[CBUFSIZ];
2815 unsigned char ch, string[STRING_MAX];
2816 3226
2817 for (; (ch = rxvt_cmd_getc(aR));) { 3227 while ((ch = cmd_getc ()) != NOCHAR)
2818 if (ch == C0_BEL 3228 {
2819 || ch == CHAR_ST 3229 if (seen_esc)
2820 || (ch == 0x5c && seen_esc)) /* 7bit ST */ 3230 {
3231 if (ch == 0x5c) /* 7bit ST */
3232 break;
3233 else
3234 return NULL;
3235 }
3236 else if (ch == C0_ESC)
3237 {
3238 seen_esc = true;
3239 continue;
3240 }
3241 else if (ch == C0_BEL || ch == CHAR_ST)
2821 break; 3242 break;
2822 if (ch == C0_ESC) { 3243 else if (ch == C0_SYN)
2823 seen_esc = 1; 3244 ch = cmd_get8 ();
2824 continue; 3245 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 */ 3246 return NULL; /* other control character - exit */
3247
3248 seen_esc = false;
3249
2829 if (n < sizeof(string) - 1) 3250 if (n >= sizeof (string) - 1)
3251 // stop at some sane length
3252 return NULL;
3253
2830 string[n++] = ch; 3254 string[n++] = ch;
2831 seen_esc = 0;
2832 } 3255 }
3256
2833 string[n++] = '\0'; 3257 string[n++] = '\0';
2834 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL) 3258
2835 return NULL;
2836 *ends_how = (ch == 0x5c ? C0_ESC : ch); 3259 ends_how = (ch == 0x5c ? C0_ESC : ch);
2837 STRNCPY(s, string, n); 3260
2838 return s; 3261 return rxvt_wcstombs (string);
2839} 3262}
2840 3263
2841/*----------------------------------------------------------------------*/ 3264/*----------------------------------------------------------------------*/
2842/* 3265/*
2843 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)' 3266 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2844 */ 3267 */
2845/* INTPROTO */
2846void 3268void
2847rxvt_process_dcs_seq(pR) 3269rxvt_term::process_dcs_seq ()
2848{ 3270{
2849 unsigned char eh, *s; 3271 /*
2850/*
2851 * Not handled yet 3272 * Not handled yet
2852 */ 3273 */
2853 s = rxvt_get_to_st(aR_ &eh); 3274
3275 unicode_t eh;
3276 char *s = get_to_st (eh);
2854 if (s) 3277 if (s)
2855 free(s); 3278 free (s);
3279
2856 return; 3280 return;
2857} 3281}
2858 3282
2859/*----------------------------------------------------------------------*/ 3283/*----------------------------------------------------------------------*/
2860/* 3284/*
2861 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)' 3285 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2862 */ 3286 */
2863/* INTPROTO */
2864void 3287void
2865rxvt_process_osc_seq(pR) 3288rxvt_term::process_osc_seq ()
2866{ 3289{
2867 unsigned char ch, eh, *s; 3290 int arg;
2868 int arg;
2869 3291
2870 ch = rxvt_cmd_getc(aR); 3292 unicode_t ch = cmd_getc ();
2871 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR)) 3293 for (arg = 0; isdigit (ch); ch = cmd_getc ())
2872 arg = arg * 10 + (ch - '0'); 3294 arg = arg * 10 + (ch - '0');
2873 3295
2874 if (ch == ';') { 3296 if (ch == ';')
2875 s = rxvt_get_to_st(aR_ &eh); 3297 {
2876 if (s) { 3298 unicode_t eh;
2877 /* 3299 char *s = get_to_st (eh);
2878 * rxvt_menubar_dispatch() violates the constness of the string, 3300
2879 * so do it here 3301 if (s)
2880 */ 3302 {
2881 if (arg == XTerm_Menu) 3303 process_xterm_seq (arg, s, eh);
2882#if 0 /* XXX: currently disabled due to security concerns */ 3304 free (s);
2883 rxvt_menubar_dispatch(aR_ (char *)s); 3305 }
3306 }
3307}
3308
3309static unsigned int
3310colorcube_index (unsigned int idx_r,
3311 unsigned int idx_g,
3312 unsigned int idx_b)
3313{
3314 assert (idx_r < Red_levels);
3315 assert (idx_g < Green_levels);
3316 assert (idx_b < Blue_levels);
3317
3318 return idx_r * Blue_levels * Green_levels +
3319 idx_g * Blue_levels +
3320 idx_b;
3321}
3322
3323/*
3324 * Find the nearest color slot in the hidden color cube,
3325 * adapt its value to the 32bit RGBA color.
3326 */
3327unsigned int
3328rxvt_term::map_rgb24_color (unsigned int r, unsigned int g, unsigned int b, unsigned int a)
3329{
3330 r &= 0xff;
3331 g &= 0xff;
3332 b &= 0xff;
3333 a &= 0xff;
3334
3335 uint32_t color = (a << 24) | (r << 16) | (g << 8) | b;
3336
3337 /* we allow one of the 6 closest neighbouring colours */
3338 /* to replace the current color, if they not used recently */
3339 #if 0
3340 static const unsigned char dxyz[][3] = {
3341 0, 0, 0,
3342 0, 0, 4,
3343 0, 4, 4,
3344 4, 4, 0,
3345 4, 0, 4,
3346 0, 4, 0,
3347 4, 0, 0,
3348 };
2884#else 3349 #else
2885 0; 3350 // silly compressed verlapping triplets version of above
3351 static const unsigned char dxyz[] = {
3352 0, 0, 0, 4, 4, 0, 4, 0, 0,
3353 };
2886#endif 3354 #endif
3355
3356 static const unsigned char color_level[8][32] = {
3357 // neighbour index
3358 {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},
3359 {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},
3360 {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},
3361 {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},
3362 // Red_levels/Green_levels/Blue_levels index
3363 {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},
3364 {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},
3365 {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},
3366 {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},
3367 };
3368
3369 unsigned int idx;
3370
3371 for (int n = 0; n < ecb_array_length (dxyz) - 2; ++n)
3372 {
3373 unsigned int idx_r = color_level[ Red_levels - dxyz[n + 0]][r / 8];
3374 unsigned int idx_g = color_level[Green_levels - dxyz[n + 1]][g / 8];
3375 unsigned int idx_b = color_level[ Blue_levels - dxyz[n + 2]][b / 8];
3376 unsigned int index = colorcube_index (idx_r, idx_g, idx_b);
3377
3378 if (n == 0)
3379 idx = index;
3380
3381 if (rgb24_color[index] == color)
3382 {
3383 rgb24_seqno[index] = ++rgb24_sequence;
3384 return index + minTermCOLOR24;
3385 }
3386
3387 // minor issue: could update index 0 few more times
3388 if ((rgb24_seqno[index] | rgb24_color[index]) == 0)
3389 {
3390 idx = index;
3391 goto update;
3392 }
3393
3394 // like (rgb24_seqno[idx] > rgb24_seqno[index])
3395 // but also handles wrap around values well enough
3396 if ((uint16_t)(rgb24_seqno[idx] - rgb24_seqno[index]) < 0x8000)
3397 idx = index;
3398 }
3399
3400update:
3401 rgb24_color[idx] = color;
3402 rgb24_seqno[idx] = ++rgb24_sequence;
3403
3404 idx += minTermCOLOR24;
3405 pix_colors_focused [idx].free (this);
3406 pix_colors_focused [idx].set (this, rgba (r * 0x0101, g * 0x0101, b * 0x0101, a * 0x0101));
3407 update_fade_color (idx, false);
3408
3409 return idx;
3410}
3411
3412void
3413rxvt_term::process_color_seq (int report, int color, const char *str, char resp)
3414{
3415 if (str[0] == '?' && !str[1])
3416 {
3417 rgba c;
3418 pix_colors_focused[color].get (c);
3419 char rgba_str[32];
3420
3421#if XFT
3422 if (c.a != rgba::MAX_CC)
3423 snprintf (rgba_str, sizeof (rgba_str), "rgba:%04x/%04x/%04x/%04x", c.r, c.g, c.b, c.a);
2887 else 3424 else
2888 rxvt_xterm_seq(aR_ arg, (char *)s, eh); 3425#endif
2889 free(s); 3426 snprintf (rgba_str, sizeof (rgba_str), "rgb:%04x/%04x/%04x", c.r, c.g, c.b);
2890 } 3427
3428 if (IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
3429 tt_printf ("\033]%d;%d;%s%c", report, color - minCOLOR, rgba_str, resp);
3430 else
3431 tt_printf ("\033]%d;%s%c", report, rgba_str, resp);
2891 } 3432 }
3433 else
3434 set_window_color (color, str);
2892} 3435}
3436
2893/* 3437/*
2894 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL) 3438 * 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 */ 3439 */
2914/* EXTPROTO */
2915void 3440void
2916rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused))) 3441rxvt_term::process_xterm_seq (int op, char *str, char resp)
2917{ 3442{
2918 int changed = 0; 3443 int color;
2919 int color;
2920 char *buf, *name; 3444 char *buf, *name;
3445 bool query = str[0] == '?' && !str[1];
3446 int saveop = op;
2921 3447
3448 dLocal (Display *, dpy);
3449
2922 assert(str != NULL); 3450 assert (str != NULL);
3451
3452 if (HOOK_INVOKE ((this, HOOK_OSC_SEQ, DT_INT, op, DT_STR, str, DT_END)))
3453 return;
3454
2923 switch (op) { 3455 switch (op)
3456 {
2924 case XTerm_name: 3457 case XTerm_name:
2925 rxvt_set_title(aR_ str); 3458 set_title (str);
2926 /* FALLTHROUGH */ 3459 /* FALLTHROUGH */
2927 case XTerm_iconName: 3460 case XTerm_iconName:
2928 rxvt_set_iconName(aR_ str); 3461 set_icon_name (str);
2929 break; 3462 break;
2930 case XTerm_title: 3463 case XTerm_title:
2931 rxvt_set_title(aR_ str); 3464 set_title (str);
2932 break; 3465 break;
3466 case XTerm_property:
3467 if (str[0] == '?')
3468 {
3469 Atom prop = display->atom (str + 1);
3470 Atom actual_type;
3471 int actual_format;
3472 unsigned long nitems;
3473 unsigned long bytes_after;
3474 unsigned char *value = 0;
3475 const char *str = "";
3476
3477 if (prop
3478 && XGetWindowProperty (dpy, parent,
3479 prop, 0, 1<<16, 0, AnyPropertyType,
3480 &actual_type, &actual_format,
3481 &nitems, &bytes_after, &value) == Success
3482 && actual_type != None
3483 && actual_format == 8)
3484 str = (const char *)(value);
3485
3486 tt_printf ("\033]%d;%s%c", op, option (Opt_insecure) ? str : "", resp);
3487
3488 XFree (value);
3489 }
3490 else
3491 {
3492 char *eq = strchr (str, '=');
3493
3494 if (eq)
3495 {
3496 *eq = 0;
3497 set_utf8_property (display->atom (str), eq + 1);
3498 }
3499 else
3500 XDeleteProperty (dpy, parent,
3501 display->atom (str));
3502 }
3503 break;
3504
2933 case XTerm_Color: 3505 case XTerm_Color:
2934 for (buf = (char *)str; buf && *buf;) { 3506 for (buf = (char *)str; buf && *buf;)
3507 {
2935 if ((name = STRCHR(buf, ';')) == NULL) 3508 if ((name = strchr (buf, ';')) == NULL)
2936 break; 3509 break;
3510
2937 *name++ = '\0'; 3511 *name++ = '\0';
2938 color = atoi(buf); 3512 color = atoi (buf) + minCOLOR;
2939 if (color < 0 || color >= TOTAL_COLORS) 3513
2940 break; 3514 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
3515 break;
3516
2941 if ((buf = STRCHR(name, ';')) != NULL) 3517 if ((buf = strchr (name, ';')) != NULL)
2942 *buf++ = '\0'; 3518 *buf++ = '\0';
2943 rxvt_set_window_color(aR_ color + minCOLOR, name); 3519
2944 } 3520 process_color_seq (op, color, name, resp);
2945 break; 3521 }
3522 break;
3523 case Rxvt_restoreFG:
3524 case XTerm_Color00:
3525 process_color_seq (op, Color_fg, str, resp);
3526 break;
3527 case Rxvt_restoreBG:
3528 case XTerm_Color01:
3529 process_color_seq (op, Color_bg, str, resp);
3530 break;
2946#ifndef NO_CURSORCOLOR 3531#ifndef NO_CURSORCOLOR
2947 case XTerm_Color_cursor: 3532 case XTerm_Color_cursor:
2948 rxvt_set_window_color(aR_ Color_cursor, str); 3533 process_color_seq (op, Color_cursor, str, resp);
2949 break; 3534 break;
2950#endif 3535#endif
2951 case XTerm_Color_pointer: 3536 case XTerm_Color_pointer_fg:
2952 rxvt_set_window_color(aR_ Color_pointer, str); 3537 process_color_seq (op, Color_pointer_fg, str, resp);
2953 break; 3538 break;
3539 case XTerm_Color_pointer_bg:
3540 process_color_seq (op, Color_pointer_bg, str, resp);
3541 break;
3542#ifdef OPTION_HC
3543 case XTerm_Color_HC:
3544 process_color_seq (op, Color_HC, str, resp);
3545 break;
3546 case XTerm_Color_HTC:
3547 process_color_seq (op, Color_HTC, str, resp);
3548 break;
3549#endif
2954#ifndef NO_BOLD_UNDERLINE_REVERSE 3550#ifndef NO_BOLD_UNDERLINE_REVERSE
2955 case XTerm_Color_BD: 3551 case URxvt_Color_BD:
2956 rxvt_set_window_color(aR_ Color_BD, str); 3552 process_color_seq (op, Color_BD, str, resp);
2957 break; 3553 break;
2958 case XTerm_Color_UL: 3554 case URxvt_Color_UL:
2959 rxvt_set_window_color(aR_ Color_UL, str); 3555 process_color_seq (op, Color_UL, str, resp);
2960 break; 3556 break;
2961 case XTerm_Color_RV: 3557 case URxvt_Color_IT:
2962 rxvt_set_window_color(aR_ Color_RV, str); 3558 process_color_seq (op, Color_IT, str, resp);
2963 break; 3559 break;
2964#endif 3560#endif
3561 case URxvt_Color_border:
3562 process_color_seq (op, Color_border, str, resp);
3563 break;
2965 3564
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: 3565 case XTerm_logfile:
3001 break; 3566 // TODO, when secure mode?
3002 case XTerm_font: 3567 break;
3003 rxvt_change_font(aR_ 0, str); 3568
3004 break;
3005#if 0 3569#if 0
3006 case XTerm_dumpscreen: /* no error notices */ 3570 case Rxvt_dumpscreen: /* no error notices */
3007 { 3571 {
3008 int fd; 3572 int fd;
3009 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) { 3573 if ((fd = open (str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0)
3010 rxvt_scr_dump(aR_ fd); 3574 {
3011 close(fd); 3575 scr_dump (fd);
3012 } 3576 close (fd);
3013 } 3577 }
3014 break; 3578 }
3579 break;
3580#endif
3581 case XTerm_font:
3582 op = URxvt_font;
3583 case URxvt_font:
3584#if ENABLE_STYLES
3585 case URxvt_boldFont:
3586 case URxvt_italicFont:
3587 case URxvt_boldItalicFont:
3588#endif
3589 if (query)
3590 tt_printf ("\33]%d;%-.250s%c", saveop,
3591 option (Opt_insecure) && fontset[op - URxvt_font]->fontdesc
3592 ? fontset[op - URxvt_font]->fontdesc : "",
3593 resp);
3594 else
3595 {
3596 const char *&res = rs[Rs_font + (op - URxvt_font)];
3597
3598 res = strdup (str);
3599 allocated.push_back ((void *)res);
3600 set_fonts ();
3601 }
3602 break;
3603
3604 case URxvt_version:
3605 if (query)
3606 tt_printf ("\33]%d;rxvt-unicode;%-.20s;%c;%c%c",
3607 op,
3608 rs[Rs_name], VERSION[0], VERSION[2],
3609 resp);
3610 break;
3611
3612#if !ENABLE_MINIMAL
3613 case URxvt_cellinfo:
3614 if (query)
3615 tt_printf ("\33]%d;%d;%d;%d%c", saveop,
3616 fwidth, fheight, fbase,
3617 resp);
3618 break;
3619
3620 case URxvt_locale:
3621 if (query)
3622 tt_printf ("\33]%d;%-.250s%c", op, option (Opt_insecure) ? locale : "", resp);
3623 else
3624 {
3625 set_locale (str);
3626 pty->set_utf8_mode (enc_utf8);
3627 init_xlocale ();
3628 }
3629 break;
3630
3631 case URxvt_view_up:
3632 case URxvt_view_down:
3633 {
3634 int lines = atoi (str);
3635
3636 if (lines)
3637 scr_page (op == URxvt_view_up ? UP : DN, lines);
3638 else
3639 scr_erase_savelines ();
3640 }
3641
3642 break;
3643#endif
3644
3645#if ENABLE_PERL
3646 case URxvt_perl:
3647 HOOK_INVOKE ((this, HOOK_OSC_SEQ_PERL, DT_STR, str, DT_STR_LEN, &resp, 1, DT_END));
3648 break;
3015#endif 3649#endif
3016 } 3650 }
3017} 3651}
3018/*----------------------------------------------------------------------*/ 3652/*----------------------------------------------------------------------*/
3019 3653
… …
3025 * 's' = save 3659 * 's' = save
3026 * 'r' = restore 3660 * 'r' = restore
3027 * 't' = toggle 3661 * 't' = toggle
3028 * so no need for fancy checking 3662 * so no need for fancy checking
3029 */ 3663 */
3030/* INTPROTO */ 3664int ecb_cold
3031int
3032rxvt_privcases(pR_ int mode, unsigned long bit) 3665rxvt_term::privcases (int mode, unsigned long bit)
3033{ 3666{
3034 int state; 3667 int state;
3035 3668
3036 if (mode == 's') { 3669 if (mode == 's')
3037 R->SavedModes |= (R->PrivateModes & bit); 3670 {
3038 return -1; 3671 if (priv_modes & bit)
3672 SavedModes |= bit;
3039 } else { 3673 else
3674 SavedModes &= ~bit;
3675 return -1;
3676 }
3677 else
3678 {
3040 if (mode == 'r') 3679 if (mode == 'r')
3041 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */ 3680 state = (SavedModes & bit) ? 1 : 0; /* no overlapping */
3042 else 3681 else
3043 state = (mode == 't') ? !(R->PrivateModes & bit) : mode; 3682 state = (mode == 't') ? ! (priv_modes & bit) : mode;
3044 PrivMode(state, bit); 3683
3684 if (state)
3685 priv_modes |= bit;
3686 else
3687 priv_modes &= ~bit;
3045 } 3688 }
3689
3046 return state; 3690 return state;
3047} 3691}
3048 3692
3049/* we're not using priv _yet_ */ 3693/* we're not using priv _yet_ */
3050/* INTPROTO */
3051void 3694void
3052rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg) 3695rxvt_term::process_terminal_mode (int mode, int priv ecb_unused, unsigned int nargs, const int *arg)
3053{ 3696{
3054 unsigned int i, j; 3697 unsigned int i, j;
3055 int state; 3698 int state;
3699
3056 static const struct { 3700 static const struct
3701 {
3057 const int argval; 3702 const int argval;
3058 const unsigned long bit; 3703 const unsigned long bit;
3059 } argtopriv[] = { 3704 } argtopriv[] = {
3060 { 1, PrivMode_aplCUR }, 3705 { 1, PrivMode_aplCUR }, // DECCKM
3061 { 2, PrivMode_vt52 }, 3706 { 2, PrivMode_vt52 }, // DECANM
3062 { 3, PrivMode_132 }, 3707 { 3, PrivMode_132 }, // DECCOLM
3063 { 4, PrivMode_smoothScroll }, 3708 { 4, PrivMode_smoothScroll }, // DECSCLM
3064 { 5, PrivMode_rVideo }, 3709 { 5, PrivMode_rVideo }, // DECSCNM
3065 { 6, PrivMode_relOrigin }, 3710 { 6, PrivMode_relOrigin }, // DECOM
3066 { 7, PrivMode_Autowrap }, 3711 { 7, PrivMode_Autowrap }, // DECAWM
3067 { 9, PrivMode_MouseX10 }, 3712 // 8, auto-repeat keys // DECARM
3068#ifdef menuBar_esc 3713 { 9, PrivMode_MouseX10 },
3069 { menuBar_esc, PrivMode_menuBar }, 3714 { 12, PrivMode_BlinkingCursor },
3070#endif 3715 // 18 end FF to printer after print screen
3716 // 19 Print screen prints full screen/scroll region
3717 { 25, PrivMode_VisibleCursor }, // DECTCEM cnorm/cvvis/civis
3071#ifdef scrollBar_esc 3718#ifdef scrollBar_esc
3072 { scrollBar_esc, PrivMode_scrollBar }, 3719 { scrollBar_esc, PrivMode_scrollBar },
3073#endif 3720#endif
3074 { 25, PrivMode_VisibleCursor }, 3721 { 35, PrivMode_ShiftKeys }, // rxvt extension
3075 { 35, PrivMode_ShiftKeys }, 3722 // 38, tektronix mode // DECTEK
3076 { 40, PrivMode_132OK }, 3723 { 40, PrivMode_132OK },
3077 { 47, PrivMode_Screen }, 3724 // 41 xterm more fixes NYI
3078 { 66, PrivMode_aplKP }, 3725 // 45 margin bell NYI
3726 // 46 start logging
3727 { 47, PrivMode_Screen },
3728 { 66, PrivMode_aplKP }, // DECNKM
3079#ifndef NO_BACKSPACE_KEY 3729#ifndef NO_BACKSPACE_KEY
3080 { 67, PrivMode_BackSpace }, 3730 { 67, PrivMode_BackSpace }, // DECBKM
3081#endif 3731#endif
3082 { 1000, PrivMode_MouseX11 }, 3732 { 1000, PrivMode_MouseX11 },
3083 { 1010, PrivMode_TtyOutputInh }, 3733 { 1002, PrivMode_MouseBtnEvent },
3084 { 1011, PrivMode_Keypress }, 3734 { 1003, PrivMode_MouseAnyEvent },
3085 { 1047, PrivMode_Screen }, 3735#if ENABLE_FRILLS
3086 }; 3736 { 1004, PrivMode_FocusEvent },
3737 { 1005, PrivMode_ExtMouseUTF8 },
3738 { 1006, PrivMode_ExtMouseSGR },
3739#endif
3740 { 1010, PrivMode_TtyOutputInh }, // rxvt extension
3741 { 1011, PrivMode_Keypress }, // rxvt extension
3742#if ENABLE_FRILLS
3743 { 1015, PrivMode_ExtMouseUrxvt }, // urxvt extension of 1005
3744#endif
3745 // 1035 enable modifiers for alt, numlock NYI
3746 // 1036 send ESC for meta keys NYI
3747 // 1037 send DEL for keypad delete NYI
3748 { 1047, PrivMode_Screen },
3749 // 1048 save and restore cursor, implemented in code
3750 { 1049, PrivMode_Screen }, /* xterm extension, clear screen on ti rather than te */
3751 // 1051, 1052, 1060, 1061 keyboard emulation NYI
3752#if ENABLE_FRILLS
3753 { 2004, PrivMode_BracketPaste },
3754#endif
3755 };
3087 3756
3088 if (nargs == 0) 3757 if (nargs == 0)
3089 return; 3758 return;
3090 3759
3760 // DECRQM
3761 if (mode == 'p')
3762 {
3763 int status = 0;
3764 if (nargs != 1)
3765 return;
3766
3767 for (j = 0; j < ecb_array_length (argtopriv); j++)
3768 if (argtopriv[j].argval == arg[0])
3769 {
3770 status = (priv_modes & argtopriv[j].bit) ? 1 : 2;
3771 break;
3772 }
3773
3774 tt_printf ("\33[?%d;%d$y", arg[0], status);
3775 return;
3776 }
3777
3091/* make lo/hi boolean */ 3778 /* make lo/hi boolean */
3092 if (mode == 'l') 3779 if (mode == 'l')
3093 mode = 0; /* reset */ 3780 mode = 0; /* reset */
3094 else if (mode == 'h') 3781 else if (mode == 'h')
3095 mode = 1; /* set */ 3782 mode = 1; /* set */
3096 3783
3097 for (i = 0; i < nargs; i++) { 3784 for (i = 0; i < nargs; i++)
3785 {
3098 state = -1; 3786 state = -1;
3099 3787
3100 /* basic handling */ 3788 /* basic handling */
3101 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++) 3789 for (j = 0; j < ecb_array_length (argtopriv); j++)
3102 if (argtopriv[j].argval == arg[i]) { 3790 if (argtopriv[j].argval == arg[i])
3791 {
3103 state = rxvt_privcases(aR_ mode, argtopriv[j].bit); 3792 state = privcases (mode, argtopriv[j].bit);
3104 break; 3793 break;
3105 } 3794 }
3106 3795
3107 /* extra handling for values with state unkept */ 3796 /* extra handling for values with state unkept */
3108 if (state == -1)
3109 switch (arg[i]) { 3797 switch (arg[i])
3798 {
3799#if ENABLE_STYLES
3800 case 1021:
3801 set_option (Opt_intensityStyles, mode);
3802
3803 scr_touch (true);
3804 break;
3805#endif
3110 case 1048: /* alternative cursor save */ 3806 case 1048: /* alternative cursor save */
3111 if (mode == 0) 3807 if (option (Opt_secondaryScreen))
3112 rxvt_scr_cursor(aR_ RESTORE); 3808 if (mode == 0)
3113 else if (mode == 1) 3809 scr_cursor (RESTORE);
3114 rxvt_scr_cursor(aR_ SAVE); 3810 else if (mode == 1)
3115 /* FALLTHROUGH */ 3811 scr_cursor (SAVE);
3116 default: 3812 break;
3117 continue; /* for(;i;) */ 3813 }
3118 }
3119 3814
3815 if (state >= 0)
3120 /* extra handling for values with valid 0 or 1 state */ 3816 /* extra handling for values with valid 0 or 1 state */
3121 switch (arg[i]) { 3817 switch (arg[i])
3818 {
3122 /* case 1: - application cursor keys */ 3819 /* case 1: - application cursor keys */
3123 case 2: /* VT52 mode */ 3820 case 2: /* VT52 mode */
3124 /* oddball mode. should be set regardless of set/reset 3821 /* oddball mode. should be set regardless of set/reset
3125 * parameter. Return from VT52 mode with an ESC < from 3822 * parameter. Return from VT52 mode with an ESC < from
3126 * within VT52 mode 3823 * within VT52 mode
3127 */ 3824 */
3128 PrivMode(1, PrivMode_vt52); 3825 priv_modes |= PrivMode_vt52;
3129 break; 3826 break;
3130 case 3: /* 80/132 */ 3827 case 3: /* 80/132 */
3131 if (R->PrivateModes & PrivMode_132OK) 3828 if (priv_modes & PrivMode_132OK)
3132 rxvt_set_widthheight(aR_ 3829 set_widthheight ((state ? 132 : 80) * fwidth, 24 * fheight);
3133 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth), 3830 break;
3134 (unsigned int)R->TermWin.height);
3135 break;
3136 case 4: /* smooth scrolling */ 3831 case 4: /* smooth scrolling */
3137 if (state) 3832 set_option (Opt_jumpScroll, !state);
3138 R->Options &= ~Opt_jumpScroll; 3833 break;
3139 else
3140 R->Options |= Opt_jumpScroll;
3141 break;
3142 case 5: /* reverse video */ 3834 case 5: /* reverse video */
3143 rxvt_scr_rvideo_mode(aR_ state); 3835 scr_rvideo_mode (state);
3144 break; 3836 break;
3145 case 6: /* relative/absolute origins */ 3837 case 6: /* relative/absolute origins */
3146 rxvt_scr_relative_origin(aR_ state); 3838 scr_relative_origin (state);
3147 break; 3839 break;
3148 case 7: /* autowrap */ 3840 case 7: /* autowrap */
3149 rxvt_scr_autowrap(aR_ state); 3841 scr_autowrap (state);
3150 break; 3842 break;
3151 /* case 8: - auto repeat, can't do on a per window basis */ 3843 /* case 8: - auto repeat, can't do on a per window basis */
3152 case 9: /* X10 mouse reporting */ 3844 case 9: /* X10 mouse reporting */
3153 if (state) /* orthogonal */ 3845 if (state) /* orthogonal */
3154 R->PrivateModes &= ~(PrivMode_MouseX11); 3846 priv_modes &= ~(PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3155 break; 3847 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 3848#ifdef scrollBar_esc
3164 case scrollBar_esc: 3849 case scrollBar_esc:
3165 if (rxvt_scrollbar_mapping(aR_ state)) { 3850 scrollBar.map (state);
3166 rxvt_resize_all_windows(aR_ 0, 0, 0); 3851 resize_all_windows (0, 0, 0);
3167 rxvt_scr_touch(aR_ True); 3852 scr_touch (true);
3168 } 3853 break;
3169 break;
3170#endif 3854#endif
3855#ifdef CURSOR_BLINK
3856 case 12:
3857 cursor_blink_reset ();
3858 break;
3859#endif
3171 case 25: /* visible/invisible cursor */ 3860 case 25: /* visible/invisible cursor */
3172 rxvt_scr_cursor_visible(aR_ state); 3861 scr_cursor_visible (state);
3173 break; 3862 break;
3174 /* case 35: - shift keys */ 3863 /* case 35: - shift keys */
3175 /* case 40: - 80 <--> 132 mode */ 3864 /* case 40: - 80 <--> 132 mode */
3176 case 47: /* secondary screen */ 3865 case 47: /* secondary screen */
3177 rxvt_scr_change_screen(aR_ state); 3866 scr_change_screen (state);
3178 break; 3867 break;
3179 /* case 66: - application key pad */ 3868 /* case 66: - application key pad */
3180 /* case 67: - backspace key */ 3869 /* case 67: - backspace key */
3181 case 1000: /* X11 mouse reporting */ 3870 case 1000: /* X11 mouse reporting */
3182 if (state) /* orthogonal */ 3871 if (state) /* orthogonal */
3183 R->PrivateModes &= ~(PrivMode_MouseX10); 3872 priv_modes &= ~(PrivMode_MouseX10|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3184 break; 3873 break;
3185#if 0 3874 case 1002:
3186 case 1001: 3875 case 1003:
3187 break; /* X11 mouse highlighting */ 3876 if (state)
3188#endif 3877 {
3878 priv_modes &= ~(PrivMode_MouseX10|PrivMode_MouseX11);
3879 priv_modes &= arg[i] == 1003 ? ~PrivMode_MouseBtnEvent : ~PrivMode_MouseAnyEvent;
3880 mouse_row = mouse_col = 0;
3881 vt_emask_mouse = PointerMotionMask;
3882 }
3883 else
3884 vt_emask_mouse = NoEventMask;
3885
3886 vt_select_input ();
3887 break;
3189 case 1010: /* scroll to bottom on TTY output inhibit */ 3888 case 1010: /* scroll to bottom on TTY output inhibit */
3190 if (state) 3889 set_option (Opt_scrollTtyOutput, !state);
3191 R->Options &= ~Opt_scrollTtyOutput; 3890 break;
3192 else
3193 R->Options |= Opt_scrollTtyOutput;
3194 break;
3195 case 1011: /* scroll to bottom on key press */ 3891 case 1011: /* scroll to bottom on key press */
3196 if (state) 3892 set_option (Opt_scrollTtyKeypress, state);
3197 R->Options |= Opt_scrollTtyKeypress; 3893 break;
3198 else
3199 R->Options &= ~Opt_scrollTtyKeypress;
3200 break;
3201 case 1047: /* secondary screen w/ clearing */ 3894 case 1047: /* secondary screen w/ clearing last */
3202 if (R->current_screen != PRIMARY) 3895 if (option (Opt_secondaryScreen))
3203 rxvt_scr_erase_screen(aR_ 2); 3896 if (!state)
3204 rxvt_scr_change_screen(aR_ state); 3897 scr_erase_screen (2);
3205 /* FALLTHROUGH */ 3898
3206 default: 3899 scr_change_screen (state);
3207 break; 3900 break;
3208 } 3901 case 1049: /* secondary screen w/ clearing first */
3902 if (option (Opt_secondaryScreen))
3903 if (state)
3904 scr_cursor (SAVE);
3905
3906 scr_change_screen (state);
3907
3908 if (option (Opt_secondaryScreen))
3909 if (state)
3910 scr_erase_screen (2);
3911 else
3912 scr_cursor (RESTORE);
3913 break;
3914 default:
3915 break;
3916 }
3209 } 3917 }
3210} 3918}
3211/*}}} */ 3919/*}}} */
3212 3920
3213/*{{{ process sgr sequences */ 3921/*{{{ process sgr sequences */
3214/* INTPROTO */ 3922void ecb_hot
3923rxvt_term::process_sgr_mode (unsigned int nargs, const int *arg)
3924{
3925 unsigned int i;
3926 short rendset;
3927 int rendstyle;
3928
3929 if (nargs == 0)
3930 {
3931 scr_rendition (0, ~RS_None);
3932 return;
3933 }
3934
3935 for (i = 0; i < nargs; i++)
3936 {
3937 rendset = -1;
3938 switch (arg[i])
3939 {
3940 case 0:
3941 rendset = 0, rendstyle = ~RS_None;
3942 break;
3943 case 1:
3944 rendset = 1, rendstyle = RS_Bold;
3945 break;
3946 //case 2: // low intensity
3947 case 3:
3948 rendset = 1, rendstyle = RS_Italic;
3949 break;
3950 case 4:
3951 rendset = 1, rendstyle = RS_Uline;
3952 break;
3953 case 5: // slowly blinking
3954 case 6: // rapidly blinking
3955 rendset = 1, rendstyle = RS_Blink;
3956 break;
3957 //case 6: // scoansi light background
3958 case 7:
3959 rendset = 1, rendstyle = RS_RVid;
3960 break;
3961 case 8:
3962 // invisible. NYI
3963 break;
3964 //case 9: // crossed out
3965 //case 10: // scoansi acs off, primary font
3966 //case 11: // scoansi acs on, first alt font
3967 //case 12: // scoansi acs on, |0x80, second alt font
3968 //...
3969 //case 19: // ninth alt font
3970 //case 20: // gothic
3971 case 21: // disable bold, faint, sometimes doubly underlined (iso 8613)
3972 rendset = 0, rendstyle = RS_Bold;
3973 break;
3974 case 22: // bold off (vt220)
3975 rendset = 0, rendstyle = RS_Bold;
3976 break;
3977 case 23: // disable italic
3978 rendset = 0, rendstyle = RS_Italic;
3979 break;
3980 case 24: // underline off (vt220)
3981 rendset = 0, rendstyle = RS_Uline;
3982 break;
3983 case 25: // blink off (vt220)
3984 rendset = 0, rendstyle = RS_Blink;
3985 break;
3986 case 26: // variable spacing (iso 8613)
3987 rendset = 0, rendstyle = RS_Blink;
3988 break;
3989 case 27: // reverse off (vt220)
3990 rendset = 0, rendstyle = RS_RVid;
3991 break;
3992 //case 28: // visible. NYI
3993 //case 29: // not crossed-out
3994 }
3995
3996 if (rendset != -1)
3997 {
3998 scr_rendition (rendset, rendstyle);
3999 continue; /* for (;i;) */
4000 }
4001
4002 switch (arg[i])
4003 {
4004 case 30:
4005 case 31: /* set fg color */
4006 case 32:
4007 case 33:
4008 case 34:
4009 case 35:
4010 case 36:
4011 case 37:
4012 scr_color ((unsigned int) (minCOLOR + (arg[i] - 30)), Color_fg);
4013 break;
4014 case 39: /* default fg */
4015 scr_color (Color_fg, Color_fg);
4016 break;
4017
4018 case 40:
4019 case 41: /* set bg color */
4020 case 42:
4021 case 43:
4022 case 44:
4023 case 45:
4024 case 46:
4025 case 47:
4026 scr_color ((unsigned int) (minCOLOR + (arg[i] - 40)), Color_bg);
4027 break;
4028 case 49: /* default bg */
4029 scr_color (Color_bg, Color_bg);
4030 break;
4031
4032 case 38: // set fg color, ISO 8613-6
4033 case 48: // set bg color, ISO 8613-6
4034 {
4035 unsigned int fgbg = arg[i] == 38 ? Color_fg : Color_bg;
4036 unsigned int idx;
4037
4038 if (nargs > i + 2 && arg[i + 1] == 5)
4039 {
4040 idx = minCOLOR + arg[i + 2];
4041 i += 2;
4042
4043 scr_color (idx, fgbg);
4044 }
4045 else if (nargs > i + 4 && arg[i + 1] == 2)
4046 {
4047 unsigned int r = arg[i + 2];
4048 unsigned int g = arg[i + 3];
4049 unsigned int b = arg[i + 4];
4050 unsigned int a = 0xff;
4051
4052 idx = map_rgb24_color (r, g, b, a);
4053
4054 i += 4;
4055
4056 scr_color (idx, fgbg);
4057 }
4058 }
4059 break;
4060
4061 //case 50: // not variable spacing
4062
4063#if !ENABLE_MINIMAL
4064 case 90:
4065 case 91: /* set bright fg color */
4066 case 92:
4067 case 93:
4068 case 94:
4069 case 95:
4070 case 96:
4071 case 97:
4072 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 90)), Color_fg);
4073 break;
4074 case 100:
4075 case 101: /* set bright bg color */
4076 case 102:
4077 case 103:
4078 case 104:
4079 case 105:
4080 case 106:
4081 case 107:
4082 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 100)), Color_bg);
4083 break;
4084#endif
4085 }
4086 }
4087}
4088
3215void 4089void
3216rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg) 4090rxvt_term::set_cursor_style (int style)
3217{ 4091{
3218 unsigned int i; 4092 if (!IN_RANGE_INC (style, 0, 6))
3219 short rendset; 4093 return;
3220 int rendstyle;
3221 4094
3222 if (nargs == 0) { 4095 if (style == 0)
3223 rxvt_scr_rendition(aR_ 0, ~RS_None); 4096 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 4097
3262 switch (arg[i]) { 4098 cursor_type = (style - 1) / 2;
3263 case 30: 4099 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 4100
3287 case 40: 4101#ifdef CURSOR_BLINK
3288 case 41: /* set bg color */ 4102 set_option (Opt_cursorBlink, style & 1);
3289 case 42: 4103 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 4104#endif
3307 case 49: /* default bg */
3308 rxvt_scr_color(aR_ Color_bg, Color_bg);
3309 break;
3310 4105
3311#ifndef NO_BRIGHTCOLOR 4106 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} 4107}
3338/*}}} */ 4108/*}}} */
3339 4109
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/* ------------------------------------------------------------------------- */ 4110/* ---------------------------------------------------------------------- */
4111/* Write data to the pty as typed by the user, pasted with the mouse,
4112 * or generated by us in response to a query ESC sequence.
4113 */
3401 4114
3402/* 4115/*
3403 * Send printf() formatted output to the command. 4116 * Send printf () formatted output to the command.
3404 * Only use for small amounts of data. 4117 * Only use for small amounts of data.
3405 */ 4118 */
3406/* EXTPROTO */
3407void 4119void
3408rxvt_tt_printf(pR_ const char *fmt,...) 4120rxvt_term::tt_printf (const char *fmt,...)
3409{ 4121{
3410 va_list arg_ptr; 4122 va_list arg_ptr;
3411 unsigned char buf[256]; 4123 char buf[256];
3412 4124
3413 va_start(arg_ptr, fmt); 4125 va_start (arg_ptr, fmt);
3414 vsprintf((char *)buf, fmt, arg_ptr); 4126 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3415 va_end(arg_ptr); 4127 va_end (arg_ptr);
3416 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf)); 4128 tt_write (buf, strlen (buf));
3417} 4129}
3418 4130
3419/* ---------------------------------------------------------------------- */ 4131/* 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 4132void
3428rxvt_tt_write(pR_ const unsigned char *d, unsigned int len) 4133rxvt_term::tt_write_user_input (const char *data, unsigned int len)
3429{ 4134{
3430#define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */ 4135 if (HOOK_INVOKE ((this, HOOK_TT_WRITE, DT_STR_LEN, data, len, DT_END)))
3431 int riten; 4136 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 4137
3438 if (R->v_bufstr == NULL && len > 0) { 4138 if (option (Opt_scrollTtyKeypress))
3439 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4139 if (view_start)
3440 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p); 4140 {
3441 v_bufend = v_buffer + p; 4141 view_start = 0;
3442 } else { 4142 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 } 4143 }
3448 4144
3449 /* 4145 tt_write_ (data, len);
3450 * Append to the block we already have. Always doing this simplifies the 4146}
3451 * code, and isn't too bad, either. If this is a short block, it isn't 4147
3452 * too expensive, and if this is a long block, we won't be able to write 4148void
3453 * it all anyway. 4149rxvt_term::tt_write (const char *data, unsigned int len)
3454 */ 4150{
3455 if (len > 0) { 4151 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 */ 4152 return;
3457 if (v_bufstr != v_buffer) { 4153
3458 /* there is unused space, move everything down */ 4154 tt_write_ (data, len);
3459 MEMMOVE(v_buffer, v_bufstr, 4155}
3460 (unsigned int)(v_bufptr - v_bufstr)); 4156
3461 v_bufptr -= v_bufstr - v_buffer; 4157static const unsigned int MAX_PTY_WRITE = 255; // minimum MAX_INPUT
3462 v_bufstr = v_buffer; 4158
4159void
4160rxvt_term::tt_write_ (const char *data, unsigned int len)
4161{
4162 if (pty->pty < 0)
4163 return;
4164
4165 if (v_buflen == 0)
4166 {
4167 ssize_t written = write (pty->pty, data, min (len, MAX_PTY_WRITE));
4168
4169 max_it (written, 0);
4170
4171 if (written == len)
4172 return;
4173
4174 data += written;
4175 len -= written;
3463 } 4176 }
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 4177
3470 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4178 v_buffer = (char *)rxvt_realloc (v_buffer, v_buflen + len);
3471 v_buffer = (unsigned char *)realloc(v_buffer, reallocto); 4179
3472 /* save across realloc */ 4180 memcpy (v_buffer + v_buflen, data, len);
3473 if (v_buffer) { 4181 v_buflen += len;
3474 v_bufstr = v_buffer; 4182
3475 v_bufptr = v_buffer + size; 4183 pty_ev.set (ev::READ | ev::WRITE);
3476 v_bufend = v_buffer + reallocto; 4184}
3477 } else { /* no memory: ignore entire write request */ 4185
3478 rxvt_print_error("data loss: cannot allocate buffer space"); 4186void rxvt_term::pty_write ()
3479 v_buffer = v_bufstr; /* restore clobbered pointer */ 4187{
3480 } 4188 int written = write (pty->pty, v_buffer, min (v_buflen, MAX_PTY_WRITE));
4189
4190 if (written > 0)
4191 {
4192 v_buflen -= written;
4193
4194 if (v_buflen == 0)
4195 {
4196 free (v_buffer);
4197 v_buffer = 0;
4198
4199 pty_ev.set (ev::READ);
4200 return;
4201 }
4202
4203 memmove (v_buffer, v_buffer + written, v_buflen);
3481 } 4204 }
3482 } 4205 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3483 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */ 4206 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} 4207}
4208
3535/*----------------------- end-of-file (C source) -----------------------*/ 4209/*----------------------- end-of-file (C source) -----------------------*/
3536 4210

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