ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/command.C
(Generate patch)

Comparing rxvt-unicode/src/command.C (file contents):
Revision 1.6 by pcg, Tue Nov 25 17:11:33 2003 UTC vs.
Revision 1.604 by sf-exg, Sat Feb 3 15:47:24 2024 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: command.c 2 * File: command.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.6 2003/11/25 17:11:33 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications 9 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> 10 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing 11 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu> 12 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for 13 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions. 14 * DEC "private mode" save/restore functions.
… …
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es> 20 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x 21 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x 22 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 23 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 24 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications 25 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org> 26 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas 27 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options) 28 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org> 29 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
30 * Copyright (c) 2003-2021 Marc Lehmann <schmorp@schmorp.de>
31 * Copyright (c) 2007,2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
31 * 32 *
32 * This program is free software; you can redistribute it and/or modify 33 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by 34 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or 35 * the Free Software Foundation; either version 3 of the License, or
35 * (at your option) any later version. 36 * (at your option) any later version.
36 * 37 *
37 * This program is distributed in the hope that it will be useful, 38 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of 39 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
43 * along with this program; if not, write to the Free Software 44 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 45 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/ 46 *----------------------------------------------------------------------*/
46 47
47/*{{{ includes: */ 48/*{{{ includes: */
48#include "../config.h" /* NECESSARY */ 49#include "../config.h"
49#include "rxvt.h" /* NECESSARY */ 50#include "rxvt.h"
51#include "rxvtperl.h"
50#include "version.h" 52#include "version.h"
51#include "command.h" 53#include "command.h"
52 54
55#ifdef KEYSYM_RESOURCE
56# include "keyboard.h"
57#endif
58
59#include <signal.h>
60
61#if LINUX_YIELD_HACK
62# include <time.h>
63#endif
64
53/*----------------------------------------------------------------------*/ 65/*----------------------------------------------------------------------*/
54 66
55/*{{{ Convert the keypress event into a string */ 67#define IS_CONTROL(ch) !((ch) & 0xffffff60UL)
56/* INTPROTO */ 68
57void 69#if ENABLE_FRILLS || ISO_14755
58rxvt_lookup_key(pR_ XKeyEvent *ev) 70
71#define ISO_14755_STARTED 0x80000000UL
72#define ISO_14755_51 0x40000000UL // basic (section 5.1)
73#define ISO_14755_52 0x20000000UL // keycap (section 5.2)
74#define ISO_14755_54 0x10000000UL // code feedback (section 5.4)
75#define ISO_14755_MASK 0x0fffffffUL
76
77#if ISO_14755
78static unsigned short iso14755_symtab[] = {
79 // keysym, unicode
80 XK_Left, 0x2190,
81 XK_KP_Left, 0x2190,
82 XK_Up, 0x2191,
83 XK_KP_Up, 0x2191,
84 XK_Right, 0x2192,
85 XK_KP_Right, 0x2192,
86 XK_Down, 0x2193,
87 XK_KP_Down, 0x2193,
88 XK_Linefeed, 0x21b4,
89
90 XK_Prior, 0x21de,
91 XK_Next, 0x21df,
92 XK_Tab, 0x21e5,
93 XK_ISO_Left_Tab, 0x21e6,
94 XK_Shift_L, 0x21e7,
95 XK_Shift_R, 0x21e7,
96
97 XK_Shift_Lock, 0x21eb,
98 XK_ISO_Lock, 0x21eb,
99 XK_Caps_Lock, 0x21ec,
100 XK_Num_Lock, 0x21ed,
101 XK_ISO_Level3_Shift, 0x21ee,
102 XK_ISO_Level3_Lock, 0x21ef,
103 XK_ISO_Group_Lock, 0x21f0,
104 XK_Home, 0x21f1,
105 XK_End, 0x21f2,
106
107 XK_Execute, 0x2318,
108 XK_Begin, 0x2320,
109 XK_Delete, 0x2326,
110 XK_Clear, 0x2327,
111 XK_BackSpace, 0x232b,
112 XK_Insert, 0x2380,
113 XK_KP_Enter, 0x2386,
114 XK_Alt_L, 0x2387,
115 XK_Alt_R, 0x2387,
116 XK_Control_L, 0x2388,
117 XK_Control_R, 0x2388,
118 XK_Pause, 0x2389,
119 XK_Break, 0x238a,
120 XK_Escape, 0x238b,
121 XK_Undo, 0x238c,
122 XK_Print, 0x2399,
123 XK_Return, 0x23ce,
124
125 XK_space, 0x2423,
126
127#ifdef XK_KP_Begin
128 XK_KP_Prior, 0x21de,
129 XK_KP_Next, 0x21df,
130 XK_KP_Begin, 0x2320,
131 XK_KP_Insert, 0x2380,
132 XK_KP_Delete, 0x2326,
133 XK_KP_Space, 0x2422,
134#endif
135 0,
136};
137
138void ecb_cold
139rxvt_term::iso14755_54 (int x, int y)
59{ 140{
60 int ctrl, meta, shft, len; 141 x = Pixel2Col (x);
61 unsigned int newlen; 142 y = Pixel2Row (y);
62 KeySym keysym; 143
63#ifdef DEBUG_CMD 144 if (!IN_RANGE_EXC (x, 0, ncol)
64 static int debug_key = 1; /* accessible by a debugger only */ 145 || !IN_RANGE_EXC (y, 0, nrow))
146 return;
147
148 for (;;)
149 {
150 const line_t &l = ROW(y + view_start);
151
152 text_t t = l.t[x];
153
154 if (t != NOCHAR || !x)
155 {
156 iso14755_51 (l.t[x], l.r[x], x, y, view_start);
157 iso14755buf = ISO_14755_54;
158 break;
159 }
160
161 x--;
162 }
163}
164
165void ecb_cold
166rxvt_term::iso14755_51 (unicode_t ch, rend_t r, int x, int y, int y2)
167{
168 rxvt_fontset *fs = FONTSET (r);
169 wchar_t *chr, *alloc, ch2, **fname;
170 int len;
171
172# if ENABLE_COMBINING
173 if (IS_COMPOSE (ch))
174 {
175 len = rxvt_composite.expand (ch);
176 alloc = chr = new wchar_t[len];
177 rxvt_composite.expand (ch, chr);
178 }
179 else
65#endif 180# endif
66#ifdef USE_XIM 181 {
67 int valid_keysym; 182 ch2 = ch;
183
184 alloc = 0;
185 chr = &ch2;
186 len = 1;
187 }
188
189 char rowcol[40];
190 snprintf (rowcol, sizeof rowcol, "col %d row %d @%d", x, y, y2);
191
192 char attr[80]; // plenty
193
194 sprintf (attr, "%08x = fg %d bg %d%s%s%s%s%s%s",
195 (int)r,
196 fgcolor_of (r), bgcolor_of (r),
197 r & RS_Bold ? " bold" : "",
198 r & RS_Italic ? " italic" : "",
199 r & RS_Blink ? " blink" : "",
200 r & RS_RVid ? " rvid" : "",
201 r & RS_Uline ? " uline" : "",
202 r & RS_Careful ? " careful" : "");
203
204 int width = 0;
205 fname = rxvt_temp_buf<wchar_t *> (len);
206 for (int i = 0; i < len; i++)
207 {
208 rxvt_font *f = (*fs)[fs->find_font_idx (chr[i])];
209 fname[i] = rxvt_utf8towcs (f->name);
210 max_it (width, wcswidth (fname[i], wcslen (fname[i])));
211 }
212
213 max_it (width, strlen (attr));
214
215 if (y >= 0)
216 {
217 y = (y >= nrow - len - 5 && x < width + 2) ? 0 : -1;
218 x = 0;
219 }
220
221 scr_overlay_new (x, y, width, len * 2 + 2);
222
223 scr_overlay_set (0, 0, rowcol);
224
225 r = SET_STYLE (OVERLAY_RSTYLE, GET_STYLE (r));
226
227 for (int y = 0; y < len; y++)
228 {
229 char buf[9];
230
231 ch = *chr++;
232
233 sprintf (buf, "%8x", ch);
234 scr_overlay_set (0, y + 1, buf);
235 scr_overlay_set (9, y + 1, '=');
236# if !UNICODE_3
237 if (ch >= 0x10000)
238 ch = 0xfffd;
68#endif 239# endif
69 unsigned char *kbuf = R->kbuf; 240 scr_overlay_set (11, y + 1, ch, r);
70 241
71/* 242 if (WCWIDTH (ch) >= 2)
243 scr_overlay_set (12, y + 1, NOCHAR, r);
244 }
245
246// {
247// char buf[4+4+3+1];
248// snprintf (buf, sizeof (buf), "(%.4d|%.4d)", x, y);
249// scr_overlay_set (0, 0, buf);
250// }
251 scr_overlay_set (0, len + 1, attr);
252 for (int i = 0; i < len; i++)
253 {
254 scr_overlay_set (0, len + 2 + i, fname[i]);
255 free (fname[i]);
256 }
257
258# if ENABLE_COMBINING
259 if (alloc)
260 delete [] alloc;
261# endif
262}
263#endif
264
265void ecb_cold
266rxvt_term::commit_iso14755 ()
267{
268 wchar_t ch = iso14755buf & ISO_14755_MASK;
269
270 if (iso14755buf & ISO_14755_51)
271 {
272 char mb[MB_LEN_MAX];
273 int len;
274
275 // allow verbatim 0-bytes and control-bytes to be entered
276 if (ch >= 0x20)
277 len = wctomb (mb, ch);
278 else
279 {
280 mb[0] = ch;
281 len = 1;
282 }
283
284 if (len > 0)
285 tt_write (mb, len);
286 else
287 scr_bell ();
288 }
289
290 iso14755buf = 0;
291}
292
293static int ecb_cold
294hex_keyval (XKeyEvent &ev)
295{
296 // check whether this event corresponds to a hex digit
297 // if the modifiers had not been pressed.
298 for (int index = 0; index < 8; index++)
299 {
300 KeySym k = XLookupKeysym (&ev, index);
301
302 if (k >= XK_KP_0 && k <= XK_KP_9) return k - XK_KP_0;
303 else if (k >= XK_0 && k <= XK_9) return k - XK_0;
304 else if (k >= XK_a && k <= XK_f) return k - XK_a + 10;
305 else if (k >= XK_A && k <= XK_F) return k - XK_A + 10;
306 }
307
308 return -1;
309}
310#endif
311
312static inline KeySym ecb_cold
313translate_keypad (KeySym keysym, bool kp)
314{
315#ifdef XK_KP_Home
316 static const KeySym keypadtrans[] = {
317 XK_KP_7, // XK_KP_Home
318 XK_KP_4, // XK_KP_Left
319 XK_KP_8, // XK_KP_Up
320 XK_KP_6, // XK_KP_Right
321 XK_KP_2, // XK_KP_Down
322 XK_KP_9, // XK_KP_Prior
323 XK_KP_3, // XK_KP_Next
324 XK_KP_1, // XK_KP_End
325 XK_KP_5, // XK_KP_Begin
326 };
327
328 if (IN_RANGE_INC (keysym, XK_KP_Home, XK_KP_Begin))
329 {
330 unsigned int index = keysym - XK_KP_Home;
331 keysym = kp ? keypadtrans[index] : XK_Home + index;
332 }
333 else if (keysym == XK_KP_Insert)
334 keysym = kp ? XK_KP_0 : XK_Insert;
335# ifndef NO_DELETE_KEY
336 else if (keysym == XK_KP_Delete)
337 keysym = kp ? XK_KP_Decimal : XK_Delete;
338# endif
339#endif
340 return keysym;
341}
342
343static inline int ecb_cold
344map_function_key (KeySym keysym)
345{
346 int param = 0;
347
348 if (IN_RANGE_INC (keysym, XK_F1, XK_F35))
349 {
350 param = 11 + keysym - XK_F1;
351 if (keysym >= XK_F17)
352 param += 4;
353 else if (keysym >= XK_F15)
354 param += 3;
355 else if (keysym >= XK_F11)
356 param += 2;
357 else if (keysym >= XK_F6)
358 param += 1;
359 }
360 else
361 switch (keysym)
362 {
363 case XK_Find:
364 param = 1;
365 break;
366 case XK_Insert:
367 param = 2;
368 break;
369#ifdef DXK_Remove
370 case DXK_Remove:
371#endif
372 case XK_Execute:
373 param = 3;
374 break;
375 case XK_Select:
376 param = 4;
377 break;
378 case XK_Prior:
379 param = 5;
380 break;
381 case XK_Next:
382 param = 6;
383 break;
384 case XK_Home:
385 param = 7;
386 break;
387 case XK_End:
388 param = 8;
389 break;
390 case XK_Help:
391 param = 28;
392 break;
393 case XK_Menu:
394 param = 29;
395 break;
396 }
397 return param;
398}
399
400static inline wchar_t *
401rxvt_wcsdup (const wchar_t *str, int len)
402{
403 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
404 memcpy (r, str, len * sizeof (wchar_t));
405 r[len] = 0;
406 return r;
407}
408
409void ecb_cold
410rxvt_term::key_press (XKeyEvent &ev)
411{
412 int ctrl, meta, shft, len;
413 KeySym keysym = NoSymbol;
414 char rkbuf[KBUFSZ + 1];
415 char *kbuf = rkbuf + 1;
416
417#if ISO_14755
418 if (iso14755buf & ISO_14755_52)
419 return;
420#endif
421
422 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an 423 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad. 424 * escape sequence to toggle the Keypad.
74 * 425 *
75 * Always permit `shift' to override the current setting 426 * Always permit `shift' to override the current setting
76 */ 427 */
77 shft = (ev->state & ShiftMask); 428 shft = ev.state & ShiftMask;
78 ctrl = (ev->state & ControlMask); 429 ctrl = ev.state & ControlMask;
79 meta = (ev->state & R->ModMetaMask); 430 meta = ev.state & ModMetaMask;
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) { 431
81 R->numlock_state = (ev->state & R->ModNumLockMask); 432 kbuf[0] = 0;
82 PrivMode((!R->numlock_state), PrivMode_aplKP); 433
83 }
84#ifdef USE_XIM 434#if USE_XIM
85 if (R->Input_Context != NULL) { 435 if (Input_Context)
86 Status status_return; 436 {
437 Status status_return;
87 438
88 kbuf[0] = '\0'; 439#if 0
89#ifdef X_HAVE_UTF8_STRING 440#ifdef X_HAVE_UTF8_STRING
441 if (enc_utf8 && 0) // currently disabled, doesn't seem to work, nor is useful
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf, 442 len = Xutf8LookupString (Input_Context, &ev, kbuf,
91 KBUFSZ, &keysym, &status_return); 443 KBUFSZ, &keysym, &status_return);
444 else
445#endif
446#endif
447 {
448 wchar_t wkbuf[KBUFSZ + 1];
449
450 // the XOpenIM manpage lies about hardcoding the locale
451 // at the point of XOpenIM, so temporarily switch locales
452 if (rs[Rs_imLocale])
453 SET_LOCALE (rs[Rs_imLocale]);
454
455 // assume wchar_t == unicode or better
456 len = XwcLookupString (Input_Context, &ev, wkbuf,
457 KBUFSZ, &keysym, &status_return);
458
459 if (rs[Rs_imLocale])
460 SET_LOCALE (locale);
461
462 if (status_return == XLookupChars
463 || status_return == XLookupBoth)
464 {
465 /* make sure the user can type ctrl-@, i.e. NUL */
466 if (len == 1 && *wkbuf == 0)
467 {
468 kbuf[0] = 0;
469 len = 1;
470 }
471 else
472 {
473 wkbuf[len] = 0;
474 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
475 if (len < 0)
476 len = 0;
477 }
478 }
479 else
480 len = 0;
481 }
482 }
483 else
484#endif
485 {
486 len = XLookupString (&ev, kbuf, KBUFSZ, &keysym, &compose);
487 }
488
489 if (keysym != NoSymbol)
490 {
491 KeySym orig_keysym = keysym;
492
493 /* Shift + F1 - F10 generates F11 - F20 */
494 if (shft && keysym >= XK_F1 && keysym <= XK_F10)
495 {
496 keysym += (XK_F11 - XK_F1);
497 shft = 0; /* turn off Shift */
498 }
499
500 if (keysym >= 0xFF00 && keysym <= 0xFFFF)
501 {
502 bool kp = priv_modes & PrivMode_aplKP ? !shft : shft;
503 unsigned int newlen = 1;
504
505 if (ev.state & ModNumLockMask)
506 kp = false;
507
508 keysym = translate_keypad (keysym, kp);
509
510 switch (keysym)
511 {
512#ifndef NO_BACKSPACE_KEY
513 case XK_BackSpace:
514 if (priv_modes & PrivMode_HaveBackSpace)
515 {
516 kbuf[0] = (!! (priv_modes & PrivMode_BackSpace)
517 ^ !!ctrl) ? '\b' : '\177';
518 kbuf[1] = '\0';
519 }
520 else
521 strcpy (kbuf, rs[Rs_backspace_key]);
522 break;
523#endif
524#ifndef NO_DELETE_KEY
525 case XK_Delete:
526 strcpy (kbuf, rs[Rs_delete_key]);
527 break;
528#endif
529 case XK_Tab:
530 if (shft)
531 strcpy (kbuf, "\033[Z");
532 else
533 {
534#ifdef CTRL_TAB_MAKES_META
535 if (ctrl)
536 meta = 1;
537#endif
538#ifdef MOD4_TAB_MAKES_META
539 if (ev.state & Mod4Mask)
540 meta = 1;
541#endif
542 newlen = 0;
543 }
544 break;
545
546 case XK_Up: /* "\033[A" */
547 case XK_Down: /* "\033[B" */
548 case XK_Right: /* "\033[C" */
549 case XK_Left: /* "\033[D" */
550 strcpy (kbuf, "\033[Z");
551 kbuf[2] = "DACB"[keysym - XK_Left];
552 /* do Shift first */
553 if (shft)
554 kbuf[2] = "dacb"[keysym - XK_Left];
555 else if (ctrl)
556 {
557 kbuf[1] = 'O';
558 kbuf[2] = "dacb"[keysym - XK_Left];
559 }
560 else if (priv_modes & PrivMode_aplCUR)
561 kbuf[1] = 'O';
562 break;
563
564 case XK_KP_Enter:
565 /* allow shift to override */
566 if (kp)
567 {
568 strcpy (kbuf, "\033OM");
569 break;
570 }
571
572 /* FALLTHROUGH */
573
574 case XK_Return:
575 if (priv_modes & PrivMode_LFNL)
576 {
577 kbuf[0] = '\015';
578 kbuf[1] = '\012';
579 kbuf[2] = '\0';
580 }
581 else
582 {
583 kbuf[0] = '\015';
584 kbuf[1] = '\0';
585 }
586 break;
587
588 case XK_KP_F1: /* "\033OP" */
589 case XK_KP_F2: /* "\033OQ" */
590 case XK_KP_F3: /* "\033OR" */
591 case XK_KP_F4: /* "\033OS" */
592 strcpy (kbuf, "\033OP");
593 kbuf[2] += (keysym - XK_KP_F1);
594 break;
595
596 case XK_KP_Multiply: /* "\033Oj" : "*" */
597 case XK_KP_Add: /* "\033Ok" : "+" */
598 case XK_KP_Separator: /* "\033Ol" : "," */
599 case XK_KP_Subtract: /* "\033Om" : "-" */
600 case XK_KP_Decimal: /* "\033On" : "." */
601 case XK_KP_Divide: /* "\033Oo" : "/" */
602 case XK_KP_0: /* "\033Op" : "0" */
603 case XK_KP_1: /* "\033Oq" : "1" */
604 case XK_KP_2: /* "\033Or" : "2" */
605 case XK_KP_3: /* "\033Os" : "3" */
606 case XK_KP_4: /* "\033Ot" : "4" */
607 case XK_KP_5: /* "\033Ou" : "5" */
608 case XK_KP_6: /* "\033Ov" : "6" */
609 case XK_KP_7: /* "\033Ow" : "7" */
610 case XK_KP_8: /* "\033Ox" : "8" */
611 case XK_KP_9: /* "\033Oy" : "9" */
612 /* allow shift to override */
613 if (kp)
614 {
615 strcpy (kbuf, "\033Oj");
616 kbuf[2] += (keysym - XK_KP_Multiply);
617 }
618 else
619 {
620 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
621 kbuf[1] = '\0';
622 }
623 break;
624
625 default:
626 {
627 int param = map_function_key (keysym);
628 if (param > 0)
629 sprintf (kbuf,"\033[%d~", param);
630 else
631 newlen = 0;
632 }
633 break;
634 }
635
636 if (newlen)
637 len = strlen (kbuf);
638
639 if (len > 0)
640 {
641 /*
642 * pass Shift/Control indicators for function keys ending with `~'
643 *
644 * eg,
645 * Prior = "ESC[5~"
646 * Shift+Prior = "ESC[5$"
647 * Ctrl+Prior = "ESC[5^"
648 * Ctrl+Shift+Prior = "ESC[5@"
649 */
650 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
651 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
652
653 /*
654 * Pass meta for all function keys, if 'meta' option set
655 */
656#ifdef META8_OPTION
657 if (meta && (meta_char == 0x80))
658 kbuf[len - 1] |= 0x80;
659#endif
660 }
661
662 }
663 else if (ctrl && keysym == XK_minus)
664 {
665 len = 1;
666 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
667 }
668 else if (keysym == XK_ISO_Left_Tab)
669 {
670 strcpy (kbuf, "\033[Z");
671 len = 3;
672 }
673 else
674 {
675#ifdef META8_OPTION
676 /* set 8-bit on */
677 if (meta && (meta_char == 0x80))
678 {
679 char *ch;
680
681 for (ch = kbuf; ch < kbuf + len; ch++)
682 *ch |= 0x80;
683 }
684#endif
685 /* nil */ ;
686 }
687
688 keysym = orig_keysym;
689 }
690
691 /* escape prefix */
692 if (len && meta
693#ifdef META8_OPTION
694 && meta_char == C0_ESC
695#endif
696 )
697 {
698 *--kbuf = C0_ESC;
699 len++;
700 }
701
702 if (HOOK_INVOKE ((this, HOOK_KEY_PRESS, DT_XEVENT, &ev, DT_INT, keysym, DT_STR_LEN, kbuf, len, DT_END)))
703 return;
704
705 if (keysym != NoSymbol)
706 {
707#ifdef KEYSYM_RESOURCE
708 if (keyboard->dispatch (this, keysym, ev.state, kbuf, len))
709 return;
710#endif
711
712 if (saveLines)
713 {
714#ifdef UNSHIFTED_SCROLLKEYS
715 if (!ctrl && !meta)
92#else 716#else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf, 717 if (IS_SCROLL_MOD)
94 KBUFSZ, &keysym, &status_return);
95#endif 718#endif
96 valid_keysym = ((status_return == XLookupKeySym) 719 {
97 || (status_return == XLookupBoth)); 720 int lnsppg;
98 } else {
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
100 &R->compose);
101 valid_keysym = 1;
102 }
103#else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->compose);
106/*
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
109 */
110 if (!len) {
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
113 kbuf[1] = '\0';
114 len = 1;
115 } else
116 kbuf[0] = '\0';
117 }
118#endif /* USE_XIM */
119 721
120#ifdef USE_XIM 722#ifdef PAGING_CONTEXT_LINES
121 if (valid_keysym) 723 lnsppg = nrow - PAGING_CONTEXT_LINES;
122#endif
123 {
124/* for some backwards compatibility */
125#if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
126# ifdef HOTKEY_CTRL
127 if (ctrl) {
128# else 724#else
129 if (meta) { 725 lnsppg = nrow * 4 / 5;
726#endif
727 max_it (lnsppg, 1);
728
729 if (keysym == XK_Prior)
730 {
731 scr_page (lnsppg);
732 return;
733 }
734 else if (keysym == XK_Next)
735 {
736 scr_page (-lnsppg);
737 return;
738 }
739 }
740#ifdef SCROLL_ON_UPDOWN_KEYS
741 if (IS_SCROLL_MOD)
742 {
743 if (keysym == XK_Up)
744 {
745 scr_page (1);
746 return;
747 }
748 else if (keysym == XK_Down)
749 {
750 scr_page (-1);
751 return;
752 }
753 }
754#endif
755#ifdef SCROLL_ON_HOMEEND_KEYS
756 if (IS_SCROLL_MOD)
757 {
758 if (keysym == XK_Home)
759 {
760 scr_changeview (top_row);
761 return;
762 }
763 else if (keysym == XK_End)
764 {
765 scr_changeview (0);
766 return;
767 }
768 }
769#endif
770 }
771
772 if (shft)
773 {
774 if (!ctrl && !meta && (priv_modes & PrivMode_ShiftKeys))
775 {
776 switch (keysym)
777 {
778 /* normal XTerm key bindings */
779 case XK_Insert: /* Shift+Insert = paste mouse selection */
780 selection_request (ev.time);
781 return;
782#if TODO
783 /* rxvt extras */
784 case XK_KP_Add: /* Shift+KP_Add = bigger font */
785 return;
786 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
787 return;
788#endif
789 }
790 }
791 }
792
793 if (ctrl && meta && (keysym == XK_c || keysym == XK_v))
794 {
795 if (keysym == XK_v)
796 selection_request (ev.time, Sel_Clipboard);
797 else if (selection.len > 0)
798 {
799 free (selection.clip_text);
800 selection.clip_text = rxvt_wcsdup (selection.text, selection.len);
801 selection.clip_len = selection.len;
802 selection_grab (CurrentTime, true);
803 }
804
805 return;
806 }
807
808#if ENABLE_FRILLS || ISO_14755
809 // ISO 14755 support
810 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_51))
811 {
812 int hv;
813
814 if (iso14755buf & ISO_14755_51
815 && (keysym == XK_space || keysym == XK_KP_Space
816 || keysym == XK_Return || keysym == XK_KP_Enter))
817 {
818 commit_iso14755 ();
819 iso14755buf = ISO_14755_51;
820# if ISO_14755
821 iso14755_51 (0);
130# endif 822# endif
131 if (keysym == R->ks_bigfont) { 823 return;
132 rxvt_change_font(aR_ 0, FONT_UP); 824 }
133 return; 825 else if (keysym == XK_BackSpace)
134 } else if (keysym == R->ks_smallfont) { 826 {
135 rxvt_change_font(aR_ 0, FONT_DN); 827 iso14755buf = ((iso14755buf & ISO_14755_MASK) >> 4) | ISO_14755_51;
136 return; 828# if ISO_14755
137 } 829 iso14755_51 (iso14755buf & ISO_14755_MASK);
138 }
139#endif
140
141 if (R->TermWin.saveLines) {
142#ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
144#else
145 if (IS_SCROLL_MOD) {
146#endif
147 int lnsppg;
148
149#ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
151#else
152 lnsppg = R->TermWin.nrow * 4 / 5;
153#endif
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
156 return;
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
159 return;
160 }
161 }
162#ifdef SCROLL_ON_UPDOWN_KEYS
163 if (IS_SCROLL_MOD) {
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
166 return;
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
169 return;
170 }
171 }
172#endif
173#ifdef SCROLL_ON_HOMEEND_KEYS
174 if (IS_SCROLL_MOD) {
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
177 return;
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
180 return;
181 }
182 }
183#endif
184 }
185
186 if (shft) {
187 /* Shift + F1 - F10 generates F11 - F20 */
188 if (keysym >= XK_F1 && keysym <= XK_F10) {
189 keysym += (XK_F11 - XK_F1);
190 shft = 0; /* turn off Shift */
191 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
192 switch (keysym) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
196 return;
197 /* rxvt extras */
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
200 return;
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
203 return;
204 }
205 }
206 }
207#ifdef PRINTPIPE
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
210 return;
211 }
212#endif
213#ifdef GREEK_SUPPORT
214 if (keysym == R->ks_greekmodeswith) {
215 R->greek_mode = !R->greek_mode;
216 if (R->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
220 greek_reset();
221 } else
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
223 return;
224 }
225#endif
226
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228#ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
230 unsigned int l;
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
233
234 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239# ifdef META8_OPTION
240 if (R->meta_char == C0_ESC)
241# endif 830# endif
242 rxvt_tt_write(aR_ &ch, 1); 831 return;
243 rxvt_tt_write(aR_ kbuf0, l); 832 }
244 return; 833 else if ((hv = hex_keyval (ev)) >= 0)
245 } else 834 {
246#endif 835 iso14755buf = ((iso14755buf << 4) & ISO_14755_MASK)
247 { 836 | hv | ISO_14755_51;
248 newlen = 1; 837# if ISO_14755
249 switch (keysym) { 838 iso14755_51 (iso14755buf & ISO_14755_MASK);
250#ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->key_backspace);
258# ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
260 int col, row;
261
262 newlen = STRLEN(kbuf);
263 col = R->screen.cur.col - 1;
264 row = R->screen.cur.row + R->TermWin.saveLines;
265 if (IS_MULTI2(R->screen.rend[row][col]))
266 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
267 }
268# endif 839# endif
269 break;
270#endif
271#ifndef NO_DELETE_KEY
272 case XK_Delete:
273 STRCPY(kbuf, R->key_delete);
274# ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
276 int col, row;
277
278 newlen = STRLEN(kbuf);
279 col = R->screen.cur.col;
280 row = R->screen.cur.row + R->TermWin.saveLines;
281 if (IS_MULTI1(R->screen.rend[row][col]))
282 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
283 }
284# endif
285 break;
286#endif
287 case XK_Tab:
288 if (shft)
289 STRCPY(kbuf, "\033[Z");
290 else {
291#ifdef CTRL_TAB_MAKES_META
292 if (ctrl)
293 meta = 1;
294#endif
295#ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
297 meta = 1;
298#endif
299 newlen = 0;
300 }
301 break;
302
303
304#ifdef XK_KP_Left
305 case XK_KP_Up: /* \033Ox or standard */
306 case XK_KP_Down: /* \033Or or standard */
307 case XK_KP_Right: /* \033Ov or standard */
308 case XK_KP_Left: /* \033Ot or standard */
309 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
312 break;
313 } else
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
316 /* FALLTHROUGH */
317#endif
318 case XK_Up: /* "\033[A" */
319 case XK_Down: /* "\033[B" */
320 case XK_Right: /* "\033[C" */
321 case XK_Left: /* "\033[D" */
322 STRCPY(kbuf, "\033[Z");
323 kbuf[2] = ("DACB"[keysym - XK_Left]);
324 /* do Shift first */
325 if (shft)
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
327 else if (ctrl) {
328 kbuf[1] = 'O';
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->PrivateModes & PrivMode_aplCUR)
331 kbuf[1] = 'O';
332#ifdef MULTICHAR_SET
333 //TODO: ??
334 if (R->Options & Opt_mc_hack) {
335 int col, row, m;
336
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
339 m = 0;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
342 m = 1;
343 else if (keysym == XK_Left) {
344 if (col > 0) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
346 m = 1;
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
349 if (col == -1)
350 col = R->TermWin.ncol - 1;
351 else
352 col--;
353 if (col > 0
354 && IS_MULTI2(R->screen.rend[row][col]))
355 m = 1;
356 }
357 }
358 if (m)
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
360 }
361#endif
362 break;
363
364#ifndef UNSHIFTED_SCROLLKEYS
365# ifdef XK_KP_Prior
366 case XK_KP_Prior:
367 /* allow shift to override */
368 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
370 break;
371 }
372 /* FALLTHROUGH */
373# endif
374 case XK_Prior:
375 STRCPY(kbuf, "\033[5~");
376 break;
377# ifdef XK_KP_Next
378 case XK_KP_Next:
379 /* allow shift to override */
380 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
382 break;
383 }
384 /* FALLTHROUGH */
385# endif
386 case XK_Next:
387 STRCPY(kbuf, "\033[6~");
388 break;
389#endif
390 case XK_KP_Enter:
391 /* allow shift to override */
392 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
394 } else {
395 kbuf[0] = '\r';
396 kbuf[1] = '\0';
397 }
398 break;
399
400#ifdef XK_KP_Begin
401 case XK_KP_Begin:
402 STRCPY(kbuf, "\033Ou");
403 break;
404
405 case XK_KP_Insert:
406 STRCPY(kbuf, "\033Op");
407 break;
408
409 case XK_KP_Delete:
410 STRCPY(kbuf, "\033On");
411 break;
412#endif
413 case XK_KP_F1: /* "\033OP" */
414 case XK_KP_F2: /* "\033OQ" */
415 case XK_KP_F3: /* "\033OR" */
416 case XK_KP_F4: /* "\033OS" */
417 STRCPY(kbuf, "\033OP");
418 kbuf[2] += (keysym - XK_KP_F1);
419 break;
420
421 case XK_KP_Multiply: /* "\033Oj" : "*" */
422 case XK_KP_Add: /* "\033Ok" : "+" */
423 case XK_KP_Separator: /* "\033Ol" : "," */
424 case XK_KP_Subtract: /* "\033Om" : "-" */
425 case XK_KP_Decimal: /* "\033On" : "." */
426 case XK_KP_Divide: /* "\033Oo" : "/" */
427 case XK_KP_0: /* "\033Op" : "0" */
428 case XK_KP_1: /* "\033Oq" : "1" */
429 case XK_KP_2: /* "\033Or" : "2" */
430 case XK_KP_3: /* "\033Os" : "3" */
431 case XK_KP_4: /* "\033Ot" : "4" */
432 case XK_KP_5: /* "\033Ou" : "5" */
433 case XK_KP_6: /* "\033Ov" : "6" */
434 case XK_KP_7: /* "\033Ow" : "7" */
435 case XK_KP_8: /* "\033Ox" : "8" */
436 case XK_KP_9: /* "\033Oy" : "9" */
437 /* allow shift to override */
438 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
441 } else {
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
443 kbuf[1] = '\0';
444 }
445 break;
446
447 case XK_Find:
448 STRCPY(kbuf, "\033[1~");
449 break;
450 case XK_Insert:
451 STRCPY(kbuf, "\033[2~");
452 break;
453#ifdef DXK_Remove /* support for DEC remove like key */
454 case DXK_Remove:
455 /* FALLTHROUGH */
456#endif
457 case XK_Execute:
458 STRCPY(kbuf, "\033[3~");
459 break;
460 case XK_Select:
461 STRCPY(kbuf, "\033[4~");
462 break;
463#ifdef XK_KP_End
464 case XK_KP_End:
465 /* allow shift to override */
466 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
468 break;
469 }
470 /* FALLTHROUGH */
471#endif
472 case XK_End:
473 STRCPY(kbuf, KS_END);
474 break;
475#ifdef XK_KP_Home
476 case XK_KP_Home:
477 /* allow shift to override */
478 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
480 break;
481 }
482 /* FALLTHROUGH */
483#endif
484 case XK_Home:
485 STRCPY(kbuf, KS_HOME);
486 break;
487
488#define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
490
491 case XK_F1: /* "\033[11~" */
492 case XK_F2: /* "\033[12~" */
493 case XK_F3: /* "\033[13~" */
494 case XK_F4: /* "\033[14~" */
495 case XK_F5: /* "\033[15~" */
496 FKEY(11, XK_F1);
497 break;
498 case XK_F6: /* "\033[17~" */
499 case XK_F7: /* "\033[18~" */
500 case XK_F8: /* "\033[19~" */
501 case XK_F9: /* "\033[20~" */
502 case XK_F10: /* "\033[21~" */
503 FKEY(17, XK_F6);
504 break;
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
509 FKEY(23, XK_F11);
510 break;
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
513 FKEY(28, XK_F15);
514 break;
515 case XK_Help: /* "\033[28~" */
516 FKEY(28, XK_Help);
517 break;
518 case XK_Menu: /* "\033[29~" */
519 FKEY(29, XK_Menu);
520 break;
521 case XK_F17: /* "\033[31~" */
522 case XK_F18: /* "\033[32~" */
523 case XK_F19: /* "\033[33~" */
524 case XK_F20: /* "\033[34~" */
525 case XK_F21: /* "\033[35~" */
526 case XK_F22: /* "\033[36~" */
527 case XK_F23: /* "\033[37~" */
528 case XK_F24: /* "\033[38~" */
529 case XK_F25: /* "\033[39~" */
530 case XK_F26: /* "\033[40~" */
531 case XK_F27: /* "\033[41~" */
532 case XK_F28: /* "\033[42~" */
533 case XK_F29: /* "\033[43~" */
534 case XK_F30: /* "\033[44~" */
535 case XK_F31: /* "\033[45~" */
536 case XK_F32: /* "\033[46~" */
537 case XK_F33: /* "\033[47~" */
538 case XK_F34: /* "\033[48~" */
539 case XK_F35: /* "\033[49~" */
540 FKEY(31, XK_F17);
541 break;
542#undef FKEY
543 default:
544 newlen = 0;
545 break;
546 }
547 if (newlen)
548 len = STRLEN(kbuf);
549 }
550 /*
551 * Pass meta for all function keys, if 'meta' option set
552 */
553#ifdef META8_OPTION
554 if (meta && (R->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
556#endif
557 } else if (ctrl && keysym == XK_minus) {
558 len = 1;
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
560 } else {
561#ifdef META8_OPTION
562 /* set 8-bit on */
563 if (meta && (R->meta_char == 0x80)) {
564 unsigned char *ch;
565
566 for (ch = kbuf; ch < kbuf + len; ch++)
567 *ch |= 0x80;
568 meta = 0;
569 }
570#endif
571#ifdef GREEK_SUPPORT
572 if (R->greek_mode)
573 len = greek_xlat(kbuf, len);
574#endif
575 /* nil */ ;
576 }
577 }
578
579 if (len <= 0)
580 return; /* not mapped */
581
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->want_refresh = 1;
586 }
587
588/*
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
591 *
592 * eg,
593 * Prior = "ESC[5~"
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
598 */
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
601
602/* escape prefix */
603 if (meta
604#ifdef META8_OPTION
605 && (R->meta_char == C0_ESC)
606#endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 rxvt_tt_write(aR_ &ch, 1);
611 }
612#ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622#endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len);
624}
625/*}}} */
626
627#if (MENUBAR_MAX)
628/*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629/* attempt to `write' count to the input buffer */
630/* EXTPROTO */
631unsigned int
632rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633{
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr;
638
639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
643 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
644 cmdbuf_ptr = cmdbuf_base;
645 cmdbuf_endp -= n;
646 s += n;
647 }
648 if (count > s) {
649 rxvt_print_error("data loss: cmd_write too large");
650 count = s;
651 }
652 for (; count--;)
653 *cmdbuf_endp++ = *str++;
654 R->cmdbuf_ptr = cmdbuf_ptr;
655 R->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657}
658#endif /* MENUBAR_MAX */
659
660void
661rxvt_term::process_x_events ()
662{
663 do
664 {
665 XEvent xev;
666
667 XNextEvent (Xdisplay, &xev);
668
669#if defined(CURSOR_BLINK)
670 if ((Options & Opt_cursorBlink)
671 && xev.type == KeyPress)
672 {
673 if (hidden_cursor)
674 {
675 hidden_cursor = 0;
676 want_refresh = 1;
677 }
678
679 blink_ev.start (NOW + BLINK_INTERVAL);
680 }
681#endif
682
683#if defined(POINTER_BLANK)
684 if ((Options & Opt_pointerBlank)
685 && (pointerBlankDelay > 0))
686 {
687 if (xev.type == MotionNotify
688 || xev.type == ButtonPress
689 || xev.type == ButtonRelease)
690 if (hidden_pointer)
691 pointer_unblank ();
692
693 if (xev.type == KeyPress && hidden_pointer == 0)
694 pointer_blank ();
695 }
696#endif
697
698#ifdef USE_XIM
699 if (!XFilterEvent (&xev, xev.xany.window))
700#endif
701 rxvt_process_x_event (this, &xev);
702 }
703 while (XPending (Xdisplay));
704}
705
706void
707rxvt_term::blink_cb (time_watcher &w)
708{
709 w.at += BLINK_INTERVAL;
710 hidden_cursor = !hidden_cursor;
711 want_refresh = 1;
712 flush();
713}
714
715void
716rxvt_term::x_cb (io_watcher &w, short revents)
717{
718 process_x_events ();
719
720 flush ();
721}
722
723// read the next character, currently handles UTF-8
724// will probably handle all sorts of other stuff in the future
725uint32_t
726rxvt_term::next_char ()
727{
728 struct mbstate &s = mbstate;
729
730 while (cmdbuf_ptr < cmdbuf_endp)
731 {
732 uint8_t ch = *cmdbuf_ptr;
733
734 if (s.cnt)
735 {
736 if ((ch & 0xc0) == 0x80)
737 {
738 cmdbuf_ptr++;
739
740 /* continuation */
741 s.reg = (s.reg << 6) | (ch & 0x7f);
742
743 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
744 return s.reg; 840 return;
745
746 continue;
747 } 841 }
748 else 842 else
749 { 843 {
750 s.cnt = 0; 844# if ISO_14755
751 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */ 845 scr_overlay_off ();
846# endif
847 iso14755buf = 0;
752 } 848 }
753 } 849 }
850 else if (option (Opt_iso14755) &&
851 ((ctrl && (keysym == XK_Shift_L || keysym == XK_Shift_R))
852 || (shft && (keysym == XK_Control_L || keysym == XK_Control_R))))
853 if (!(iso14755buf & ISO_14755_STARTED))
854 {
855 iso14755buf |= ISO_14755_STARTED;
856# if ISO_14755
857 scr_overlay_new (0, -1, sizeof ("ISO 14755 mode") - 1, 1);
858 scr_overlay_set (0, 0, "ISO 14755 mode");
859# endif
860 }
861#endif
862
863#ifdef PRINTPIPE
864 if (keysym == XK_Print)
865 {
866 scr_printscreen (ctrl | shft);
867 return;
868 }
869#endif
870 }
871
872 if (len <= 0)
873 return; /* not mapped */
874
875 tt_write_user_input (kbuf, (unsigned int)len);
876}
877
878void ecb_cold
879rxvt_term::key_release (XKeyEvent &ev)
880{
881#if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ISO_14755 || ENABLE_PERL
882 KeySym keysym;
883
884 keysym = XLookupKeysym (&ev, ev.state & ShiftMask ? 1 : 0); // sorry, only shift supported :/
885#endif
886
887#if ENABLE_FRILLS || ISO_14755
888 // ISO 14755 support
889 if (iso14755buf)
890 if (iso14755buf & ISO_14755_52)
754 891 {
755 if ((ch & 0xc0) == 0xc0) 892# if ISO_14755
893 scr_overlay_off ();
894# endif
895# if ISO_14755
896 // iso14755 part 5.2 handling: release time
897 // first: controls
898 if ((ev.state & ControlMask)
899 && ((keysym >= 0x40 && keysym <= 0x5f)
900 || (keysym >= 0x61 && keysym <= 0x7f)))
756 { 901 {
757 cmdbuf_ptr++; 902 iso14755buf = ISO_14755_51 | 0x2400 | (keysym & 0x1f);
903 commit_iso14755 ();
758 904
759 /* first byte */ 905 return;
760 s.orig = ch; /* for broken encodings */ 906 }
761 s.reg = ch; 907
762 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; } 908 for (unsigned short *i = iso14755_symtab; i[0]; i += 2)
763 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; } 909 if (i[0] == keysym)
764 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; } 910 {
765 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; } 911 iso14755buf = ISO_14755_51 | i[1];
766 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; } 912 commit_iso14755 ();
913
914 return;
915 }
916
917 scr_bell ();
918# endif
919 iso14755buf = 0;
920
921 return;
922 }
923 else if ((ev.state & (ShiftMask | ControlMask)) != (ShiftMask | ControlMask))
924 {
925# if ISO_14755
926 scr_overlay_off ();
927# endif
928 if (iso14755buf & ISO_14755_51)
929 commit_iso14755 ();
930#if ISO_14755
931 else if (option (Opt_iso14755_52) && iso14755buf & ISO_14755_STARTED)
932 {
933 iso14755buf = ISO_14755_52; // iso14755 part 5.2: remember empty begin/end pair
934
935 scr_overlay_new (0, -1, sizeof ("KEYCAP PICTURE INSERT MODE") - 1, 1);
936 scr_overlay_set (0, 0, "KEYCAP PICTURE INSERT MODE");
937 }
938# endif
939 else
940 iso14755buf = 0;
941 }
942#endif
943
944 if (HOOK_INVOKE ((this, HOOK_KEY_RELEASE, DT_XEVENT, &ev, DT_INT, keysym, DT_END)))
945 return;
946
947#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
948 if (!(ev.state & ControlMask))
949 slip_wheel_ev.stop ();
950 else if (keysym == XK_Control_L || keysym == XK_Control_R)
951 mouse_slip_wheel_speed = 0;
952#endif
953}
954
955void
956rxvt_term::flush ()
957{
958 flush_ev.stop ();
959
960#ifdef HAVE_IMG
961 if (bg_flags & BG_NEEDS_REFRESH)
962 {
963 bg_flags &= ~BG_NEEDS_REFRESH;
964 scr_touch (false);
965 }
966#endif
967
968 if (want_refresh)
969 {
970 if (SHOULD_INVOKE (HOOK_LINE_UPDATE))
971 {
972 int row = view_start;
973 int end_row = row + nrow;
974
975 while (row > top_row && ROW (row - 1).is_longer ())
976 --row;
977
978 do
979 {
980 int start_row = row;
981 line_t *l;
982
983 do
984 {
985 l = &ROW (row++);
986
987 if (!(l->f & LINE_FILTERED))
988 {
989 // line not filtered, mark it as filtered
990 l->f |= LINE_FILTERED;
991 while (l->is_longer ())
992 {
993 l = &ROW (row++);
994 l->f |= LINE_FILTERED;
995 }
996
997 // and filter it
998 HOOK_INVOKE ((this, HOOK_LINE_UPDATE, DT_INT, start_row, DT_END));
999
1000 break;
1001 }
1002 }
1003 while (l->is_longer () && row < end_row);
1004 }
1005 while (row < end_row);
1006 }
1007
1008 scr_refresh ();
1009 scrollBar.show (1);
1010#if USE_XIM
1011 im_send_spot ();
1012#endif
1013 }
1014
1015 display->flush ();
1016}
1017
1018/* checks whether a refresh is requested and starts the refresh timer */
1019void
1020rxvt_term::refresh_check ()
1021{
1022 if (want_refresh && !flush_ev.is_active ())
1023 flush_ev.start ();
1024
1025 display->flush ();
1026}
1027
1028void
1029rxvt_term::flush_cb (ev::timer &w, int revents)
1030{
1031 make_current ();
1032
1033 refresh_count = 0;
1034 flush ();
1035}
1036
1037#ifdef CURSOR_BLINK
1038void
1039rxvt_term::cursor_blink_reset ()
1040{
1041 if (!focus)
1042 return;
1043
1044 if (hidden_cursor)
1045 {
1046 hidden_cursor = 0;
1047 want_refresh = 1;
1048 }
1049
1050 if (option (Opt_cursorBlink) || (priv_modes & PrivMode_BlinkingCursor))
1051 cursor_blink_ev.again ();
1052 else
1053 cursor_blink_ev.stop ();
1054}
1055
1056void
1057rxvt_term::cursor_blink_cb (ev::timer &w, int revents)
1058{
1059 hidden_cursor = !hidden_cursor;
1060 want_refresh = 1;
1061 refresh_check ();
1062}
1063#endif
1064
1065#ifdef TEXT_BLINK
1066void
1067rxvt_term::text_blink_cb (ev::timer &w, int revents)
1068{
1069 if (scr_refresh_rend (RS_Blink, RS_Blink))
1070 {
1071 hidden_text = !hidden_text;
1072 want_refresh = 1;
1073 refresh_check ();
1074 }
1075 else
1076 w.stop ();
1077}
1078#endif
1079
1080#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1081void
1082rxvt_term::cont_scroll_cb (ev::timer &w, int revents)
1083{
1084 if ((scrollBar.state == SB_STATE_UP || scrollBar.state == SB_STATE_DOWN)
1085 && scr_page (scrollBar.state == SB_STATE_UP ? UP : DN, 1))
1086 {
1087 want_refresh = 1;
1088 refresh_check ();
1089 }
1090 else
1091 w.stop ();
1092}
1093#endif
1094
1095#ifdef SELECTION_SCROLLING
1096void
1097rxvt_term::sel_scroll_cb (ev::timer &w, int revents)
1098{
1099 if (scr_page (scroll_selection_lines))
1100 {
1101 selection_extend (selection_save_x, selection_save_y, selection_save_state);
1102 want_refresh = 1;
1103 refresh_check ();
1104 }
1105 else
1106 w.stop ();
1107}
1108#endif
1109
1110#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1111void
1112rxvt_term::slip_wheel_cb (ev::timer &w, int revents)
1113{
1114 if (scr_page (mouse_slip_wheel_speed))
1115 {
1116 want_refresh = 1;
1117 refresh_check ();
1118 }
1119
1120 if (view_start == top_row || view_start == 0 || mouse_slip_wheel_speed == 0)
1121 {
1122 mouse_slip_wheel_speed = 0;
1123 w.stop ();
1124 }
1125}
1126#endif
1127
1128#if LINUX_YIELD_HACK
1129static struct event_handler
1130{
1131 ev::prepare yield_ev;
1132
1133 void yield_cb (ev::prepare &w, int revents)
1134 {
1135 // this should really be sched_yield(), but the linux guys thought
1136 // that giving a process calling sched_yield () less cpu time than
1137 // ones with high nice levels is a useful thing to do. It surely is is
1138 // allowed by the sus... as is returning ENOSYS.
1139 // since the linux guys additionally thought that breaking the only
1140 // known workaround against their unusable sched_yield hack is cool,
1141 // we just nanosleep a bit and hope for the best.
1142
1143 struct timespec ts = { 0, 1000 };
1144 nanosleep (&ts, 0);
1145
1146 w.stop ();
1147 }
1148
1149 event_handler ()
1150 : yield_ev (this, &event_handler::yield_cb)
1151 {
1152 }
1153} event_handler;
1154#endif
1155
1156/* make sure all the cmd data is at beginning of cmdbuf */
1157void
1158rxvt_term::cmdbuf_reify ()
1159{
1160 if (cmdbuf_ptr == cmdbuf_base)
1161 return;
1162
1163 ssize_t used = cmdbuf_endp - cmdbuf_ptr;
1164
1165 memmove (cmdbuf_base, cmdbuf_ptr, used);
1166 cmdbuf_ptr = cmdbuf_base;
1167 cmdbuf_endp = cmdbuf_ptr + used;
1168
1169}
1170
1171#if defined (KEYSYM_RESOURCE)
1172void
1173rxvt_term::cmdbuf_append (const char *str, size_t count)
1174{
1175 cmdbuf_reify ();
1176
1177 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1178
1179 if (count > avail)
1180 return;
1181
1182 memcpy (cmdbuf_endp, str, count);
1183 cmdbuf_endp += count;
1184
1185 cmd_parse ();
1186}
1187#endif
1188
1189bool
1190rxvt_term::pty_fill ()
1191{
1192 cmdbuf_reify ();
1193
1194 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1195
1196 if (!avail)
1197 {
1198 // normally this indicates a "too long" command sequence - just drop the data we have
1199 cmdbuf_ptr = cmdbuf_base;
1200 cmdbuf_endp = cmdbuf_ptr;
1201 avail = CBUFSIZ;
1202 }
1203
1204 ssize_t r = read (pty->pty, cmdbuf_endp, avail);
1205
1206 if (r > 0)
1207 {
1208 cmdbuf_endp += r;
1209 return true;
1210 }
1211 else if (r < 0 && (errno == EAGAIN || errno == EINTR))
1212 {
1213#if LINUX_YIELD_HACK
1214 if (display->is_local)
1215 event_handler.yield_ev.start ();
1216#endif
1217 }
1218 else
1219 {
1220 pty_ev.stop ();
1221
1222 if (!option (Opt_hold))
1223 destroy ();
1224 }
1225
1226 return false;
1227}
1228
1229void
1230rxvt_term::pty_cb (ev::io &w, int revents)
1231{
1232 make_current ();
1233
1234 if (revents & ev::READ)
1235 // loop, but don't allow a single term to monopolize us
1236 for (int i = CBUFCNT; i-- && pty_fill (); )
1237 cmd_parse ();
1238
1239 if (revents & ev::WRITE)
1240 pty_write ();
1241
1242 refresh_check ();
1243}
1244
1245void ecb_cold
1246rxvt_term::pointer_unblank ()
1247{
1248 XDefineCursor (dpy, vt, TermWin_cursor);
1249 recolor_cursor ();
1250
1251#ifdef POINTER_BLANK
1252 hidden_pointer = 0;
1253
1254 if (option (Opt_pointerBlank))
1255 pointer_ev.start (pointerBlankDelay);
1256#endif
1257}
1258
1259#ifdef POINTER_BLANK
1260void ecb_cold
1261rxvt_term::pointer_blank ()
1262{
1263 if (!option (Opt_pointerBlank))
1264 return;
1265
1266 XDefineCursor (dpy, vt, display->blank_cursor);
1267 XFlush (dpy);
1268
1269 hidden_pointer = 1;
1270}
1271
1272void ecb_cold
1273rxvt_term::pointer_cb (ev::timer &w, int revents)
1274{
1275 make_current ();
1276
1277 pointer_blank ();
1278}
1279#endif
1280
1281void
1282rxvt_term::mouse_report (XButtonEvent &ev)
1283{
1284 int button_number, state = 0;
1285 int x, y;
1286 bool release = ev.type == ButtonRelease;
1287
1288 x = 1 + clamp (Pixel2Col (ev.x), 0, ncol - 1);
1289 y = 1 + clamp (Pixel2Row (ev.y), 0, nrow - 1);
1290
1291 if (ev.type == MotionNotify)
1292 {
1293 if (x == mouse_row && y == mouse_col)
1294 return;
1295
1296 mouse_row = x;
1297 mouse_col = y;
1298 state += 32;
1299 }
1300
1301 if (MEvent.button == AnyButton)
1302 button_number = 3;
1303 else
1304 {
1305 button_number = MEvent.button - Button1;
1306 if (button_number > 10)
1307 return;
1308 else if (button_number >= 7)
1309 button_number += 128 - 7;
1310 else if (button_number >= 3)
1311 button_number += 64 - 3;
1312 }
1313
1314 if (priv_modes & PrivMode_MouseX10)
1315 {
1316 /*
1317 * do not report ButtonRelease
1318 * no state info allowed
1319 */
1320 if (release)
1321 return;
1322 }
1323 else
1324 {
1325 /* XTerm mouse reporting needs these values:
1326 * 4 = Shift
1327 * 8 = Meta
1328 * 16 = Control
1329 * plus will add in our own Double-Click reporting
1330 * 32 = Double Click
1331 */
1332 state += ((MEvent.state & ShiftMask) ? 4 : 0)
1333 + ((MEvent.state & ModMetaMask) ? 8 : 0)
1334 + ((MEvent.state & ControlMask) ? 16 : 0);
1335#ifdef MOUSE_REPORT_DOUBLECLICK
1336 state += ((MEvent.clicks > 1) ? 32 : 0);
1337#endif
1338 }
1339
1340 int code = 32 + (release ? 3 : button_number) + state;
1341
1342#if DEBUG_MOUSEREPORT
1343 fprintf (stderr, "Mouse [");
1344 if (state & 16)
1345 fputc ('C', stderr);
1346 if (state & 4)
1347 fputc ('S', stderr);
1348 if (state & 8)
1349 fputc ('A', stderr);
1350 if (state & 32)
1351 fputc ('2', stderr);
1352 fprintf (stderr, "]: <%d>, %d/%d\n",
1353 button_number,
1354 x,
1355 y);
1356#endif
1357
1358#if ENABLE_FRILLS
1359 if (priv_modes & PrivMode_ExtMouseSGR)
1360 tt_printf ("\033[<%d;%d;%d%c",
1361 button_number + state,
1362 x,
1363 y,
1364 release ? 'm' : 'M');
1365 else if (priv_modes & PrivMode_ExtMouseUrxvt)
1366 tt_printf ("\033[%d;%d;%dM",
1367 code,
1368 x,
1369 y);
1370 else if (priv_modes & PrivMode_ExtMouseUTF8)
1371 if (code < 128)
1372 tt_printf ("\033[M%c%lc%lc",
1373 code,
1374 wint_t (32 + x),
1375 wint_t (32 + y));
1376 else
1377 tt_printf ("\033[M%c%c%lc%lc",
1378 0xc0 + (code >> 6),
1379 0x80 + (code & 0x3f),
1380 wint_t (32 + x),
1381 wint_t (32 + y));
1382 else
1383#endif
1384 tt_printf ("\033[M%c%c%c",
1385 code,
1386 32 + x,
1387 32 + y);
1388}
1389
1390/*{{{ process an X event */
1391void ecb_hot
1392rxvt_term::x_cb (XEvent &ev)
1393{
1394 make_current ();
1395
1396 dLocal (Display *, dpy);
1397
1398 if (ev.xany.window == vt
1399 && SHOULD_INVOKE (HOOK_X_EVENT)
1400 && HOOK_INVOKE ((this, HOOK_X_EVENT, DT_XEVENT, &ev, DT_END)))
1401 return;
1402
1403 // for XQueryPointer
1404 Window unused_root, unused_child;
1405 int unused_root_x, unused_root_y;
1406 unsigned int unused_mask;
1407
1408 switch (ev.type)
1409 {
1410 case KeyPress:
1411 key_press (ev.xkey);
1412 break;
1413
1414 case KeyRelease:
1415 key_release (ev.xkey);
1416 break;
1417
1418 case ButtonPress:
1419 button_press (ev.xbutton);
1420 break;
1421
1422 case ButtonRelease:
1423 button_release (ev.xbutton);
1424 break;
1425
1426 case ClientMessage:
1427 if (ev.xclient.format == 32
1428 && !HOOK_INVOKE ((this, HOOK_CLIENT_MESSAGE, DT_XEVENT, &ev, DT_END)))
1429 {
1430 if (ev.xclient.message_type == xa[XA_WM_PROTOCOLS])
1431 {
1432 if (!HOOK_INVOKE ((this, HOOK_WM_PROTOCOLS, DT_XEVENT, &ev, DT_END)))
1433 {
1434 if (ev.xclient.data.l[0] == xa[XA_WM_DELETE_WINDOW])
1435 {
1436 if (!HOOK_INVOKE ((this, HOOK_WM_DELETE_WINDOW, DT_XEVENT, &ev, DT_END)))
1437 destroy ();
1438 }
1439#if ENABLE_EWMH
1440 else if (ev.xclient.data.l[0] == xa[XA_NET_WM_PING])
1441 XSendEvent (dpy, ev.xclient.window = display->root,
1442 False, SubstructureRedirectMask | SubstructureNotifyMask,
1443 &ev);
1444#endif
1445 }
1446 }
1447#if ENABLE_XEMBED
1448 else if (ev.xclient.format == 32 && ev.xclient.message_type == xa[XA_XEMBED])
1449 {
1450 if (ev.xclient.data.l[1] == XEMBED_FOCUS_IN)
1451 focus_in ();
1452 else if (ev.xclient.data.l[1] == XEMBED_FOCUS_OUT)
1453 focus_out ();
1454 }
1455#endif
1456 }
1457 break;
1458
1459 /*
1460 * XXX: this is not the _current_ arrangement
1461 * Here's my conclusion:
1462 * If the window is completely unobscured, use bitblt's
1463 * to scroll. Even then, they're only used when doing partial
1464 * screen scrolling. When partially obscured, we have to fill
1465 * in the GraphicsExpose parts, which means that after each refresh,
1466 * we need to wait for the graphics expose or Noexpose events,
1467 * which ought to make things real slow!
1468 */
1469 case VisibilityNotify:
1470 switch (ev.xvisibility.state)
1471 {
1472 case VisibilityUnobscured:
1473 refresh_type = FAST_REFRESH;
1474 break;
1475 case VisibilityPartiallyObscured:
1476 refresh_type = SLOW_REFRESH;
1477 break;
1478 default:
1479 refresh_type = NO_REFRESH;
1480 break;
1481 }
1482 break;
1483
1484 case FocusIn:
1485 if (ev.xfocus.detail != NotifyInferior
1486 && ev.xfocus.detail != NotifyPointer
1487 && ev.xfocus.mode != NotifyGrab)
1488 focus_in ();
1489 break;
1490
1491 case FocusOut:
1492 if (ev.xfocus.detail != NotifyInferior
1493 && ev.xfocus.detail != NotifyPointer
1494 && ev.xfocus.mode != NotifyGrab)
1495 focus_out ();
1496 break;
1497
1498 case ConfigureNotify:
1499 if (ev.xconfigure.window == parent)
1500 {
1501 while (XCheckTypedWindowEvent (dpy, ev.xconfigure.window, ConfigureNotify, &ev))
1502 ;
1503
1504 bool want_position_change = SHOULD_INVOKE (HOOK_POSITION_CHANGE);
1505
1506 if (want_position_change)
1507 {
1508 int x, y;
1509
1510 if (ev.xconfigure.send_event)
1511 {
1512 x = ev.xconfigure.x;
1513 y = ev.xconfigure.y;
1514 }
1515 else
1516 get_window_origin (x, y);
1517
1518 if (x != parent_x || y != parent_y)
1519 {
1520 parent_x = x;
1521 parent_y = y;
1522 HOOK_INVOKE ((this, HOOK_POSITION_CHANGE, DT_INT, x, DT_INT, y, DT_END));
1523 }
1524 }
1525
1526 if (szHint.width != ev.xconfigure.width || szHint.height != ev.xconfigure.height)
1527 {
1528 seen_resize = 1;
1529 resize_all_windows (ev.xconfigure.width, ev.xconfigure.height, 1);
1530 }
1531
1532 HOOK_INVOKE ((this, HOOK_CONFIGURE_NOTIFY, DT_XEVENT, &ev, DT_END));
1533 }
1534 break;
1535
1536 case PropertyNotify:
1537 HOOK_INVOKE ((this, HOOK_PROPERTY_NOTIFY, DT_XEVENT, &ev, DT_END));
1538 break;
1539
1540 case SelectionClear:
1541 selection_clear (ev.xselectionclear.selection == xa[XA_CLIPBOARD]);
1542 break;
1543
1544 case SelectionRequest:
1545 selection_send (ev.xselectionrequest);
1546 break;
1547
1548 case MapNotify:
1549 mapped = 1;
1550#ifdef TEXT_BLINK
1551 text_blink_ev.start ();
1552#endif
1553 HOOK_INVOKE ((this, HOOK_MAP_NOTIFY, DT_XEVENT, &ev, DT_END));
1554 break;
1555
1556 case UnmapNotify:
1557 mapped = 0;
1558#ifdef TEXT_BLINK
1559 text_blink_ev.stop ();
1560#endif
1561 HOOK_INVOKE ((this, HOOK_UNMAP_NOTIFY, DT_XEVENT, &ev, DT_END));
1562 break;
1563
1564 case GraphicsExpose:
1565 case Expose:
1566 if (ev.xany.window == vt)
1567 {
1568 do
1569 {
1570 scr_expose (ev.xexpose.x, ev.xexpose.y,
1571 ev.xexpose.width, ev.xexpose.height, false);
1572 }
1573 while (XCheckTypedWindowEvent (dpy, vt, ev.xany.type, &ev));
1574
1575 ev.xany.type = ev.xany.type == Expose ? GraphicsExpose : Expose;
1576
1577 while (XCheckTypedWindowEvent (dpy, vt, ev.xany.type, &ev))
1578 {
1579 scr_expose (ev.xexpose.x, ev.xexpose.y,
1580 ev.xexpose.width, ev.xexpose.height, false);
1581 }
1582
1583 want_refresh = 1;
1584 }
1585 else
1586 {
1587 XEvent unused_event;
1588
1589 while (XCheckTypedWindowEvent (dpy, ev.xany.window, Expose, &unused_event))
1590 ;
1591 while (XCheckTypedWindowEvent (dpy, ev.xany.window, GraphicsExpose, &unused_event))
1592 ;
1593
1594 if (scrollBar.state && ev.xany.window == scrollBar.win)
1595 {
1596 scrollBar.state = SB_STATE_IDLE;
1597 scrollBar.show (0);
1598 }
1599 }
1600 break;
1601
1602 case MotionNotify:
1603#ifdef POINTER_BLANK
1604 if (hidden_pointer)
1605 pointer_unblank ();
1606#endif
1607 if (!bypass_keystate
1608 && ((priv_modes & PrivMode_MouseBtnEvent && ev.xbutton.state & (Button1Mask|Button2Mask|Button3Mask))
1609 || priv_modes & PrivMode_MouseAnyEvent))
1610 mouse_report (ev.xbutton);
1611 if ((priv_modes & PrivMode_mouse_report) && !bypass_keystate)
1612 break;
1613
1614 if (ev.xany.window == vt)
1615 {
1616 if (SHOULD_INVOKE (HOOK_MOTION_NOTIFY)
1617 && HOOK_INVOKE ((this, HOOK_MOTION_NOTIFY, DT_XEVENT, &ev, DT_END)))
1618 ; // nop
1619 else if (ev.xbutton.state & (Button1Mask | Button3Mask))
1620 {
1621 while (XCheckTypedWindowEvent (dpy, vt, MotionNotify, &ev))
1622 ;
1623
1624 XQueryPointer (dpy, vt,
1625 &unused_root, &unused_child,
1626 &unused_root_x, &unused_root_y,
1627 &ev.xbutton.x, &ev.xbutton.y,
1628 &ev.xbutton.state);
1629#ifdef MOUSE_THRESHOLD
1630 /* deal with a `jumpy' mouse */
1631 if (ev.xmotion.time - MEvent.time > MOUSE_THRESHOLD)
1632#endif
1633 {
1634#if ISO_14755
1635 // 5.4
1636 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1637 {
1638 iso14755_54 (ev.xbutton.x, ev.xbutton.y);
1639 break;
1640 }
1641#endif
1642 selection_extend (ev.xbutton.x, ev.xbutton.y,
1643 ev.xbutton.state & Button3Mask ? 2 : 0);
1644
1645#ifdef SELECTION_SCROLLING
1646 if (ev.xbutton.y < int_bwidth
1647 || Pixel2Row (ev.xbutton.y) > (nrow-1))
1648 {
1649 page_dirn scroll_selection_dir;
1650 int dist;
1651
1652 /* don't clobber the current delay if we are
1653 * already in the middle of scrolling.
1654 */
1655 if (!sel_scroll_ev.is_active ())
1656 sel_scroll_ev.start (SCROLLBAR_INITIAL_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
1657
1658 /* save the event params so we can highlight
1659 * the selection in the pending-scroll loop
1660 */
1661 selection_save_x = ev.xbutton.x;
1662 selection_save_y = ev.xbutton.y;
1663 selection_save_state = (ev.xbutton.state & Button3Mask) ? 2 : 0;
1664
1665 /* calc number of lines to scroll */
1666 if (ev.xbutton.y < int_bwidth)
1667 {
1668 scroll_selection_dir = UP;
1669 dist = int_bwidth - ev.xbutton.y;
1670 }
1671 else
1672 {
1673 scroll_selection_dir = DN;
1674 dist = ev.xbutton.y - (int_bwidth + vt_height);
1675 }
1676
1677 scroll_selection_lines = Pixel2Height (dist)
1678 / SELECTION_SCROLL_LINE_SPEEDUP
1679 + 1;
1680 min_it (scroll_selection_lines,
1681 SELECTION_SCROLL_MAX_LINES);
1682 scroll_selection_lines *= scroll_selection_dir;
1683 }
1684 else
1685 {
1686 /* we are within the text window, so we
1687 * shouldn't be scrolling
1688 */
1689 sel_scroll_ev.stop();
1690 }
1691#endif
1692 }
1693 }
1694 }
1695 else if (scrollBar.state == SB_STATE_MOTION && ev.xany.window == scrollBar.win)
1696 {
1697 while (XCheckTypedWindowEvent (dpy, scrollBar.win,
1698 MotionNotify, &ev))
1699 ;
1700
1701 XQueryPointer (dpy, scrollBar.win,
1702 &unused_root, &unused_child,
1703 &unused_root_x, &unused_root_y,
1704 &ev.xbutton.x, &ev.xbutton.y,
1705 &unused_mask);
1706 scr_move_to (scrollBar.position (ev.xbutton.y) - csrO,
1707 scrollBar.size ());
1708 want_refresh = 1;
1709 scrollBar.show (1);
1710 }
1711 break;
1712 }
1713
1714#if defined(CURSOR_BLINK)
1715 if (ev.type == KeyPress)
1716 cursor_blink_reset ();
1717#endif
1718
1719#if defined(POINTER_BLANK)
1720 if (option (Opt_pointerBlank) && pointerBlankDelay > 0)
1721 {
1722 if (ev.type == MotionNotify
1723 || ev.type == ButtonPress
1724 || ev.type == ButtonRelease)
1725 if (hidden_pointer)
1726 pointer_unblank ();
1727
1728 if (ev.type == KeyPress && hidden_pointer == 0)
1729 pointer_blank ();
1730 }
1731#endif
1732
1733 refresh_check ();
1734}
1735
1736#if ENABLE_FRILLS
1737void ecb_cold
1738rxvt_term::set_urgency (bool enable)
1739{
1740 if (enable == urgency_hint)
1741 return;
1742
1743 if (XWMHints *h = XGetWMHints (dpy, parent))
1744 {
1745 h->flags = h->flags & ~XUrgencyHint | (enable ? XUrgencyHint : 0);
1746 XSetWMHints (dpy, parent, h);
1747 urgency_hint = enable;
1748 XFree (h);
1749 }
1750}
1751#endif
1752
1753void ecb_cold
1754rxvt_term::focus_in ()
1755{
1756 if (!focus)
1757 {
1758 focus = 1;
1759 want_refresh = 1;
1760
1761#if USE_XIM
1762 if (Input_Context != NULL)
1763 {
1764 im_set_position ();
1765 XSetICFocus (Input_Context);
1766 }
1767#endif
1768#if CURSOR_BLINK
1769 if (option (Opt_cursorBlink))
1770 cursor_blink_ev.again ();
1771#endif
1772#if OFF_FOCUS_FADING
1773 if (rs[Rs_fade])
1774 {
1775 pix_colors = pix_colors_focused;
1776 scr_recolor ();
1777 }
1778#endif
1779#if ENABLE_FRILLS
1780 if (option (Opt_urgentOnBell))
1781 set_urgency (0);
1782
1783 if (priv_modes & PrivMode_FocusEvent)
1784 tt_printf ("\x1b[I");
1785#endif
1786
1787 HOOK_INVOKE ((this, HOOK_FOCUS_IN, DT_END));
1788 }
1789}
1790
1791void ecb_cold
1792rxvt_term::focus_out ()
1793{
1794 if (focus)
1795 {
1796 focus = 0;
1797 want_refresh = 1;
1798
1799#if ENABLE_FRILLS
1800 if (option (Opt_urgentOnBell))
1801 set_urgency (0);
1802
1803 if (priv_modes & PrivMode_FocusEvent)
1804 tt_printf ("\x1b[O");
1805#endif
1806#if ENABLE_FRILLS || ISO_14755
1807 if (iso14755buf)
1808 {
1809 iso14755buf = 0;
1810# if ISO_14755
1811 scr_overlay_off ();
1812# endif
1813 }
1814#endif
1815#if USE_XIM
1816 if (Input_Context != NULL)
1817 XUnsetICFocus (Input_Context);
1818#endif
1819#if CURSOR_BLINK
1820 if (option (Opt_cursorBlink))
1821 cursor_blink_ev.stop ();
1822
1823 hidden_cursor = 0;
1824#endif
1825#if OFF_FOCUS_FADING
1826 if (rs[Rs_fade])
1827 {
1828 pix_colors = pix_colors_unfocused;
1829 scr_recolor ();
1830 }
1831#endif
1832
1833 HOOK_INVOKE ((this, HOOK_FOCUS_OUT, DT_END));
1834 }
1835}
1836
1837void ecb_cold
1838rxvt_term::update_fade_color (unsigned int idx, bool first_time)
1839{
1840#if OFF_FOCUS_FADING
1841 if (rs[Rs_fade])
1842 {
1843 if (!first_time)
1844 pix_colors_focused [idx].free (this);
1845
1846 rgba c;
1847 pix_colors [Color_fade].get (c);
1848 pix_colors_focused [idx].fade (this, atoi (rs[Rs_fade]), pix_colors_unfocused [idx], c);
1849 }
1850#endif
1851}
1852
1853#if ENABLE_PERL
1854void ecb_hot
1855rxvt_term::rootwin_cb (XEvent &ev)
1856{
1857 make_current ();
1858
1859 if (SHOULD_INVOKE (HOOK_ROOT_EVENT)
1860 && HOOK_INVOKE ((this, HOOK_ROOT_EVENT, DT_XEVENT, &ev, DT_END)))
1861 return;
1862
1863 switch (ev.type)
1864 {
1865 case PropertyNotify:
1866 /*
1867 * if user used some Esetroot compatible prog to set the root bg,
1868 * use the property to determine the pixmap. We use it later on.
1869 */
1870 if (ev.xproperty.atom == xa[XA_XROOTPMAP_ID]
1871 || ev.xproperty.atom == xa[XA_ESETROOT_PMAP_ID])
1872 {
1873 HOOK_INVOKE ((this, HOOK_ROOTPMAP_CHANGE, DT_END));
1874 }
1875
1876 break;
1877 }
1878
1879 refresh_check ();
1880}
1881#endif
1882
1883void
1884rxvt_term::button_press (XButtonEvent &ev)
1885{
1886 int reportmode = 0, clickintime;
1887
1888 bypass_keystate = ev.state & (ModMetaMask | ShiftMask);
1889
1890 if (!bypass_keystate)
1891 reportmode = !! (priv_modes & PrivMode_mouse_report);
1892
1893 /*
1894 * VT window processing of button press
1895 */
1896 if (ev.window == vt)
1897 {
1898 if (HOOK_INVOKE ((this, HOOK_BUTTON_PRESS, DT_XEVENT, &ev, DT_END)))
1899 return;
1900
1901#if ISO_14755
1902 // 5.4
1903 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1904 {
1905 iso14755_54 (ev.x, ev.y);
1906 return;
1907 }
1908#endif
1909
1910 clickintime = ev.time - MEvent.time < multiClickTime;
1911
1912 if (reportmode)
1913 {
1914 /* mouse report from vt window */
1915 /* save the xbutton state (for ButtonRelease) */
1916 MEvent.state = ev.state;
1917#ifdef MOUSE_REPORT_DOUBLECLICK
1918 if (ev.button == MEvent.button && clickintime)
1919 {
1920 /* same button, within allowed time */
1921 MEvent.clicks++;
1922
1923 if (MEvent.clicks > 1)
1924 {
1925 /* only report double clicks */
1926 MEvent.clicks = 2;
1927 mouse_report (ev);
1928
1929 /* don't report the release */
1930 MEvent.clicks = 0;
1931 MEvent.button = AnyButton;
1932 }
1933 }
1934 else
1935 {
1936 /* different button, or time expired */
1937 MEvent.clicks = 1;
1938 MEvent.button = ev.button;
1939 mouse_report (ev);
1940 }
1941#else
1942 MEvent.button = ev.button;
1943 mouse_report (ev);
1944#endif /* MOUSE_REPORT_DOUBLECLICK */
1945
767 } 1946 }
768 else 1947 else
769 { 1948 {
770 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */ 1949 if (ev.button != MEvent.button)
771 return ch; 1950 MEvent.clicks = 0;
772 }
773 }
774 1951
775 return NOCHAR; 1952 switch (ev.button)
776}
777
778bool
779rxvt_term::pty_fill (size_t count)
780{
781 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
782
783 memmove (cmdbuf_base, cmdbuf_ptr, n);
784 cmdbuf_ptr = cmdbuf_base;
785 cmdbuf_endp = cmdbuf_ptr + n;
786
787 n = read (cmd_fd, cmdbuf_endp, count);
788
789 if (n > 0)
790 {
791 cmdbuf_endp += n;
792 return true;
793 }
794 else if (n < 0 && errno == EAGAIN)
795 return false;
796
797 rxvt_clean_exit();
798 exit(EXIT_FAILURE); /* bad order of events? */
799}
800
801void
802rxvt_term::pty_cb (io_watcher &w, short revents)
803{
804 while (pty_fill (BUFSIZ - (cmdbuf_endp - cmdbuf_ptr)))
805 {
806 /* once we know the shell is running, send the screen size. Again! */
807 //ch = rxvt_cmd_getc(aR); /* wait for something */
808 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
809
810 uint32_t ch = NOCHAR;
811
812 for (;;)
813 {
814 if (ch == NOCHAR)
815 ch = next_char ();
816
817 if (ch == NOCHAR) // TODO: improve
818 break;
819
820 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
821 { 1953 {
822 /* Read a text string from the input buffer */ 1954 case Button1:
823 uint32_t buf[BUFSIZ]; 1955 /* allow meta + click to select rectangular areas */
824 bool refreshnow = false; 1956 /* should be done in screen.C */
825 int nlines = 0; 1957#if ENABLE_FRILLS
826 uint32_t *str = buf; 1958 selection.rect = !!(ev.state & ModMetaMask);
1959#else
1960 selection.rect = false;
1961#endif
827 1962
828 *str++ = ch; 1963 /* allow shift+left click to extend selection */
1964 if (ev.state & ShiftMask && !(priv_modes & PrivMode_mouse_report))
1965 {
1966 if (MEvent.button == Button1 && clickintime)
1967 selection_rotate (ev.x, ev.y);
1968 else
1969 selection_extend (ev.x, ev.y, 1);
1970 }
1971 else
1972 {
1973 if (MEvent.button == Button1 && clickintime)
1974 MEvent.clicks++;
1975 else
1976 MEvent.clicks = 1;
829 1977
1978 selection_click (MEvent.clicks, ev.x, ev.y);
1979 }
1980
1981 MEvent.button = Button1;
1982 break;
1983
1984 case Button3:
1985 if (MEvent.button == Button3 && clickintime)
1986 selection_rotate (ev.x, ev.y);
1987 else
1988 selection_extend (ev.x, ev.y, 1);
1989
1990 MEvent.button = Button3;
1991 break;
1992 }
1993 }
1994
1995 MEvent.time = ev.time;
1996 return;
1997 }
1998
1999 /*
2000 * Scrollbar window processing of button press
2001 */
2002 if (scrollBar.state && ev.window == scrollBar.win)
2003 {
2004 page_dirn direction = NO_DIR;
2005
2006 if (scrollBar.upButton (ev.y))
2007 direction = UP; /* up */
2008 else if (scrollBar.dnButton (ev.y))
2009 direction = DN; /* down */
2010
2011 scrollBar.state = SB_STATE_IDLE;
2012 /*
2013 * Rxvt-style scrollbar:
2014 * move up if mouse is above slider
2015 * move dn if mouse is below slider
2016 *
2017 * XTerm-style scrollbar:
2018 * Move display proportional to pointer location
2019 * pointer near top -> scroll one line
2020 * pointer near bot -> scroll full page
2021 */
2022#ifndef NO_SCROLLBAR_REPORT
2023 if (reportmode)
2024 {
2025 /*
2026 * Mouse report disabled scrollbar:
2027 * arrow buttons - send up/down
2028 * click on scrollbar - send pageup/down
2029 */
2030 if (direction == UP)
2031 tt_printf ("\033[A");
2032 else if (direction == DN)
2033 tt_printf ("\033[B");
2034 else
2035 switch (ev.button)
830 for (;;) 2036 {
2037 case Button2:
2038 tt_printf ("\014");
2039 break;
2040 case Button1:
2041 tt_printf ("\033[6~");
2042 break;
2043 case Button3:
2044 tt_printf ("\033[5~");
2045 break;
2046 }
2047 }
2048 else
2049#endif /* NO_SCROLLBAR_REPORT */
2050 {
2051 if (direction != NO_DIR)
2052 {
2053#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
2054 if (!cont_scroll_ev.is_active ())
2055 cont_scroll_ev.start (SCROLLBAR_INITIAL_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
2056#endif
2057 if (scr_page (direction, 1))
831 { 2058 {
832 ch = next_char (); 2059 if (direction == UP)
2060 scrollBar.state = SB_STATE_UP;
2061 else
2062 scrollBar.state = SB_STATE_DOWN;
2063 }
2064 }
2065 else
2066 switch (ev.button)
2067 {
2068 case Button2:
2069 switch (scrollBar.align)
2070 {
2071 case SB_ALIGN_TOP:
2072 csrO = 0;
2073 break;
2074 case SB_ALIGN_CENTRE:
2075 csrO = (scrollBar.bot - scrollBar.top) / 2;
2076 break;
2077 case SB_ALIGN_BOTTOM:
2078 csrO = scrollBar.bot - scrollBar.top;
2079 break;
2080 }
833 2081
834 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r')) 2082 if (scrollBar.style == SB_STYLE_XTERM
2083 || scrollBar.above_slider (ev.y)
2084 || scrollBar.below_slider (ev.y))
2085 scr_move_to (scrollBar.position (ev.y) - csrO, scrollBar.size ());
2086
2087 scrollBar.state = SB_STATE_MOTION;
835 break; 2088 break;
2089
2090 case Button1:
2091 if (scrollBar.align == SB_ALIGN_CENTRE)
2092 csrO = ev.y - scrollBar.top;
2093 /* FALLTHROUGH */
2094
2095 case Button3:
2096 if (scrollBar.style != SB_STYLE_XTERM)
2097 {
2098 if (scrollBar.above_slider (ev.y))
2099# ifdef RXVT_SCROLL_FULL
2100 scr_page (UP, nrow - 1);
2101# else
2102 scr_page (UP, nrow / 4);
2103# endif
2104 else if (scrollBar.below_slider (ev.y))
2105# ifdef RXVT_SCROLL_FULL
2106 scr_page (DN, nrow - 1);
2107# else
2108 scr_page (DN, nrow / 4);
2109# endif
2110 else
2111 scrollBar.state = SB_STATE_MOTION;
2112 }
836 else 2113 else
837 { 2114 {
2115 scr_page ((ev.button == Button1 ? DN : UP),
2116 (nrow
2117 * scrollBar.position (ev.y)
2118 / scrollBar.size ()));
2119 }
2120
2121 break;
2122 }
2123 }
2124
2125 return;
2126 }
2127}
2128
2129void
2130rxvt_term::button_release (XButtonEvent &ev)
2131{
2132 int reportmode = 0;
2133
2134 csrO = 0; /* reset csr Offset */
2135 if (!bypass_keystate)
2136 reportmode = !! (priv_modes & PrivMode_mouse_report);
2137
2138 if (scrollBar.state == SB_STATE_UP || scrollBar.state == SB_STATE_DOWN)
2139 {
2140 scrollBar.state = SB_STATE_IDLE;
2141 scrollBar.show (0);
2142 }
2143
2144#ifdef SELECTION_SCROLLING
2145 sel_scroll_ev.stop();
2146#endif
2147
2148 if (ev.window == vt)
2149 {
2150 if (HOOK_INVOKE ((this, HOOK_BUTTON_RELEASE, DT_XEVENT, &ev, DT_END)))
2151 return;
2152
2153#if ISO_14755
2154 // 5.4
2155 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
2156 return;
2157#endif
2158
2159 if (reportmode)
2160 {
2161 /* mouse report from vt window */
2162 /* don't report release of wheel "buttons" */
2163 if (ev.button >= 4 && ev.button <= 7)
2164 return;
2165#ifdef MOUSE_REPORT_DOUBLECLICK
2166 /* only report the release of 'slow' single clicks */
2167 if (MEvent.button != AnyButton
2168 && (ev.button != MEvent.button
2169 || (ev.time - MEvent.time
2170 > multiClickTime / 2)))
2171 {
2172 MEvent.clicks = 0;
2173 MEvent.button = ev.button;
2174 mouse_report (ev);
2175 }
2176#else /* MOUSE_REPORT_DOUBLECLICK */
2177 MEvent.button = ev.button;
2178 mouse_report (ev);
2179 MEvent.button = AnyButton;
2180#endif /* MOUSE_REPORT_DOUBLECLICK */
2181 return;
2182 }
2183
2184 /*
2185 * dumb hack to compensate for the failure of click-and-drag
2186 * when overriding mouse reporting
2187 */
2188 if (priv_modes & PrivMode_mouse_report
2189 && bypass_keystate
2190 && ev.button == Button1 && MEvent.clicks <= 1)
2191 selection_extend (ev.x, ev.y, 0);
2192
2193 switch (ev.button)
2194 {
2195 case Button1:
2196 case Button3:
2197 selection_make (ev.time);
2198 break;
2199
2200 case Button2:
2201 if (IN_RANGE_EXC (ev.x, 0, vt_width) && IN_RANGE_EXC (ev.y, 0, vt_height)) // inside window?
2202 selection_request (ev.time, ev.state & ModMetaMask ? Sel_Clipboard : Sel_Primary);
2203 break;
2204
2205#ifdef MOUSE_WHEEL
2206 case Button4:
2207 case Button5:
2208 {
2209 int lines;
2210 page_dirn dirn;
2211
2212 dirn = ev.button == Button4 ? UP : DN;
2213
2214 if (ev.state & ShiftMask)
2215 lines = 1;
2216 else if (option (Opt_mouseWheelScrollPage))
2217 lines = nrow - 1;
2218 else
2219 lines = 5;
2220
2221# ifdef MOUSE_SLIP_WHEELING
2222 if (ev.state & ControlMask)
2223 {
2224 mouse_slip_wheel_speed += dirn;
2225 clamp_it (mouse_slip_wheel_speed, -nrow, nrow);
2226
2227 if (!slip_wheel_ev.is_active ())
2228 slip_wheel_ev.start (SCROLLBAR_CONTINUOUS_DELAY, SCROLLBAR_CONTINUOUS_DELAY);
2229 }
2230 else
2231# endif
2232 {
2233 scr_page (dirn, lines);
2234 scrollBar.show (1);
2235 }
2236 }
2237 break;
2238#endif
2239 }
2240 }
2241}
2242
2243/*}}} */
2244
2245void ecb_hot
2246rxvt_term::cmd_parse ()
2247{
2248 wchar_t ch = NOCHAR;
2249 char *seq_begin; // remember start of esc-sequence here
2250
2251 for (;;)
2252 {
2253 if (ecb_unlikely (ch == NOCHAR))
2254 {
2255 seq_begin = cmdbuf_ptr;
2256 ch = next_char ();
2257
2258 if (ch == NOCHAR)
2259 break;
2260 }
2261
2262 if (ecb_likely (!IS_CONTROL (ch) || ch == C0_LF || ch == C0_CR || ch == C0_HT))
2263 {
2264 if (ecb_unlikely (!seen_input))
2265 {
2266 seen_input = 1;
2267 // many badly-written programs (e.g. jed) contain a race condition:
2268 // they first read the screensize and then install a SIGWINCH handler.
2269 // some window managers resize the window early, and these programs
2270 // then sometimes get the size wrong.
2271 // unfortunately other programs are even more buggy and dislike
2272 // being sent SIGWINCH, so only do it when we were in fact being
2273 // resized.
2274 if (seen_resize && cmd_pid)
2275 kill (-cmd_pid, SIGWINCH);
2276 }
2277
2278 /* Read a text string from the input buffer */
2279 wchar_t buf[UBUFSIZ];
2280 bool refreshnow = false;
2281 int nlines = 0;
2282 wchar_t *str = buf;
2283 wchar_t *eol = str + min (ncol, UBUFSIZ);
2284
2285 for (;;)
2286 {
2287 if (ecb_unlikely (ch == NOCHAR || (IS_CONTROL (ch) && ch != C0_LF && ch != C0_CR && ch != C0_HT)))
2288 break;
2289
838 *str++ = ch; 2290 *str++ = ch;
839 2291
2292 if (ecb_unlikely (ch == C0_LF || str >= eol))
2293 {
840 if (ch == '\n') 2294 if (ch == C0_LF)
2295 nlines++;
2296
2297 refresh_count++;
2298
2299 if (!option (Opt_jumpScroll) || refresh_count >= nrow - 1)
2300 {
2301 refresh_count = 0;
2302
2303 if (!option (Opt_skipScroll) || ev_time () > ev::now () + 1. / 60.)
841 { 2304 {
842 nlines++;
843 refresh_count++;
844
845 if (!(Options & Opt_jumpScroll)
846 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
847 {
848 refreshnow = true; 2305 refreshnow = true;
849 ch = NOCHAR; 2306 ch = NOCHAR;
850 break; 2307 break;
851 }
852 } 2308 }
2309 }
853 2310
2311 // scr_add_lines only works for nlines <= nrow - 1.
2312 if (nlines >= nrow - 1)
2313 {
2314 if (!(SHOULD_INVOKE (HOOK_ADD_LINES)
2315 && HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_WCS_LEN, buf, str - buf, DT_END))))
2316 scr_add_lines (buf, str - buf, nlines);
2317
2318 nlines = 0;
2319 str = buf;
2320 eol = str + min (ncol, UBUFSIZ);
2321 }
2322
2323 if (str >= eol)
2324 {
854 if (str >= buf + BUFSIZ) 2325 if (eol >= buf + UBUFSIZ)
855 { 2326 {
856 ch = NOCHAR; 2327 ch = NOCHAR;
857 break; 2328 break;
858 } 2329 }
2330 else
2331 eol = min (eol + ncol, buf + UBUFSIZ);
859 } 2332 }
2333
860 } 2334 }
861 2335
862 rxvt_scr_add_lines (this, buf, nlines, str - buf); 2336 seq_begin = cmdbuf_ptr;
863 2337 ch = next_char ();
864 /*
865 * If there have been a lot of new lines, then update the screen
866 * What the heck I'll cheat and only refresh less than every page-full.
867 * the number of pages between refreshes is refresh_limit, which
868 * is incremented here because we must be doing flat-out scrolling.
869 *
870 * refreshing should be correct for small scrolls, because of the
871 * time-out
872 */
873 if (refreshnow)
874 {
875 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
876 refresh_limit++;
877
878 rxvt_scr_refresh (this, refresh_type);
879 }
880
881 } 2338 }
2339
2340 if (!(SHOULD_INVOKE (HOOK_ADD_LINES)
2341 && HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_WCS_LEN, buf, str - buf, DT_END))))
2342 scr_add_lines (buf, str - buf, nlines);
2343
882 else 2344 /*
2345 * If there have been a lot of new lines, then update the screen
2346 * What the heck we'll cheat and only refresh less than every page-full.
2347 * if skipScroll is enabled.
2348 */
2349 if (refreshnow)
883 { 2350 {
884 switch (ch) 2351 scr_refresh ();
885 { 2352 want_refresh = 1;
886 default:
887 rxvt_process_nonprinting (this, ch);
888 break;
889 case C0_ESC: /* escape char */
890 rxvt_process_escape_seq (this);
891 break;
892 /*case 0x9b: */ /* CSI */
893 /* rxvt_process_csi_seq (this); */
894 }
895
896 ch = NOCHAR;
897 } 2353 }
898 } 2354 }
899 }
900
901 flush ();
902}
903
904void
905rxvt_term::flush ()
906{
907#ifdef TRANSPARENT
908 if (want_full_refresh)
909 {
910 want_full_refresh = 0;
911 rxvt_scr_clear (this);
912 rxvt_scr_touch (this, False);
913 want_refresh = 1;
914 }
915#endif
916
917 if (want_refresh)
918 {
919 rxvt_scr_refresh (this, refresh_type);
920 rxvt_scrollbar_show (this, 1);
921#ifdef USE_XIM
922 rxvt_IMSendSpot (this);
923#endif
924 }
925
926 XFlush (Xdisplay);
927}
928
929/* rxvt_cmd_getc() - Return next input character */
930/*
931 * Return the next input character after first passing any keyboard input
932 * to the command.
933 */
934/* INTPROTO */
935uint32_t
936rxvt_cmd_getc(pR)
937{
938 for (;;)
939 {
940 uint32_t c = R->next_char ();
941 if (c != NOCHAR)
942 return c;
943
944 // incomplete sequences should occur rarely, still, a better solution
945 // would be preferred. either setjmp/longjmp or better design.
946 fcntl (R->cmd_fd, F_SETFL, 0);
947 R->pty_fill (1);
948 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
949 }
950
951#if 0
952#define TIMEOUT_USEC 5000
953 fd_set readfds;
954 int quick_timeout, select_res;
955 int want_motion_time, want_keypress_time;
956 struct timeval value;
957#if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
958 struct timeval tp;
959#endif
960
961 for (;;) {
962 /* loop until we can return something */
963
964 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
965 rxvt_tt_write(aR_ NULL, 0);
966
967#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
968 if (R->mouse_slip_wheel_speed) {
969 quick_timeout = 1;
970 if (!R->mouse_slip_wheel_delay--
971 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
972 abs(R->mouse_slip_wheel_speed))) {
973 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
974 R->refresh_type |= SMOOTH_REFRESH;
975 R->want_refresh = 1;
976 }
977 }
978#endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
979#ifdef SELECTION_SCROLLING
980 if (R->pending_scroll_selection) {
981 quick_timeout = 1;
982 if (!R->scroll_selection_delay--
983 && rxvt_scr_page(aR_ R->scroll_selection_dir,
984 R->scroll_selection_lines)) {
985 rxvt_selection_extend(aR_ R->selection_save_x,
986 R->selection_save_y, R->selection_save_state);
987 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
988 R->refresh_type |= SMOOTH_REFRESH;
989 R->want_refresh = 1;
990 }
991 }
992#endif
993#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
994 if (scrollbar_isUp() || scrollbar_isDn()) {
995 quick_timeout = 1;
996 if (!R->scroll_arrow_delay--
997 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
998 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
999 R->refresh_type |= SMOOTH_REFRESH;
1000 R->want_refresh = 1;
1001 }
1002 }
1003#endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1004
1005#ifdef TRANSPARENT
1006 quick_timeout |= R->want_full_refresh;
1007#endif
1008#endif
1009}
1010
1011#ifdef POINTER_BLANK
1012void
1013rxvt_term::pointer_unblank ()
1014{
1015 if (!(Options & Opt_pointerBlank))
1016 return;
1017
1018 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1019 rxvt_recolour_cursor (this);
1020 hidden_pointer = 0;
1021
1022 pointer_ev.start (NOW + pointerBlankDelay);
1023}
1024
1025void
1026rxvt_term::pointer_blank ()
1027{
1028 pointer_ev.stop ();
1029
1030 if (!(Options & Opt_pointerBlank))
1031 return;
1032
1033 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1034 XFlush (Xdisplay);
1035
1036 hidden_pointer = 1;
1037}
1038
1039void
1040rxvt_term::pointer_cb (time_watcher &w)
1041{
1042 pointer_blank ();
1043}
1044#endif
1045
1046/* INTPROTO */
1047void
1048rxvt_mouse_report(pR_ const XButtonEvent *ev)
1049{
1050 int button_number, key_state = 0;
1051 int x, y;
1052
1053 x = ev->x;
1054 y = ev->y;
1055 rxvt_pixel_position(aR_ &x, &y);
1056
1057 if (R->MEvent.button == AnyButton) {
1058 button_number = 3;
1059 } else { 2355 else
1060 button_number = R->MEvent.button - Button1;
1061 /* add 0x3D for wheel events, like xterm does */
1062 if (button_number >= 3)
1063 button_number += (64 - 3);
1064 }
1065
1066 if (R->PrivateModes & PrivMode_MouseX10) {
1067 /*
1068 * do not report ButtonRelease
1069 * no state info allowed
1070 */
1071 key_state = 0;
1072 if (button_number == 3)
1073 return;
1074 } else {
1075 /* XTerm mouse reporting needs these values:
1076 * 4 = Shift
1077 * 8 = Meta
1078 * 16 = Control
1079 * plus will add in our own Double-Click reporting
1080 * 32 = Double Click
1081 */
1082 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1083 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1084 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1085#ifdef MOUSE_REPORT_DOUBLECLICK
1086 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1087#endif
1088 }
1089
1090#ifdef DEBUG_MOUSEREPORT
1091 fprintf(stderr, "Mouse [");
1092 if (key_state & 16)
1093 fputc('C', stderr);
1094 if (key_state & 4)
1095 fputc('S', stderr);
1096 if (key_state & 8)
1097 fputc('A', stderr);
1098 if (key_state & 32)
1099 fputc('2', stderr);
1100 fprintf(stderr, "]: <%d>, %d/%d\n",
1101 button_number,
1102 x + 1,
1103 y + 1);
1104#else
1105 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1106 (32 + button_number + key_state),
1107 (32 + x + 1),
1108 (32 + y + 1));
1109#endif
1110}
1111
1112#ifdef USING_W11LIB
1113/* EXTPROTO */
1114void
1115rxvt_W11_process_x_event(XEvent *ev)
1116{
1117 rxvt_t *r = rxvt_get_r();
1118
1119 rxvt_process_x_event(aR_ ev);
1120}
1121#endif
1122
1123/*{{{ process an X event */
1124/* INTPROTO */
1125void
1126rxvt_process_x_event(pR_ XEvent *ev)
1127{
1128 int i, want_timeout;
1129 Window unused_root, unused_child;
1130 int unused_root_x, unused_root_y;
1131 unsigned int unused_mask;
1132 struct timeval tp;
1133
1134#ifdef DEBUG_X
1135 const char *const eventnames[] =
1136 { /* mason - this matches my system */
1137 "",
1138 "",
1139 "KeyPress",
1140 "KeyRelease",
1141 "ButtonPress",
1142 "ButtonRelease",
1143 "MotionNotify",
1144 "EnterNotify",
1145 "LeaveNotify",
1146 "FocusIn",
1147 "FocusOut",
1148 "KeymapNotify",
1149 "Expose",
1150 "GraphicsExpose",
1151 "NoExpose",
1152 "VisibilityNotify",
1153 "CreateNotify",
1154 "DestroyNotify",
1155 "UnmapNotify",
1156 "MapNotify",
1157 "MapRequest",
1158 "ReparentNotify",
1159 "ConfigureNotify",
1160 "ConfigureRequest",
1161 "GravityNotify",
1162 "ResizeRequest",
1163 "CirculateNotify",
1164 "CirculateRequest",
1165 "PropertyNotify",
1166 "SelectionClear",
1167 "SelectionRequest",
1168 "SelectionNotify",
1169 "ColormapNotify",
1170 "ClientMessage",
1171 "MappingNotify"
1172 };
1173 struct tm *ltt;
1174#endif
1175
1176 /*
1177 * check if we need to get the time for any timeouts
1178 */
1179
1180 for (i = NUM_TIMEOUTS; i--; )
1181 if (R->timeout[i].tv_sec) {
1182 want_timeout = 1;
1183 break;
1184 }
1185
1186#ifndef DEBUG_X
1187 if (want_timeout)
1188#endif
1189 (void)gettimeofday(&tp, NULL);
1190
1191#ifdef DEBUG_X
1192 ltt = localtime(&(tp.tv_sec));
1193 D_X((stderr, "Event: %-16s %-7s %08lx (%4d-%02d-%02d %02d:%02d:%02d.%.6ld) %s %lu", eventnames[ev->type], (ev->xany.window == R->TermWin.parent[0] ? "parent" : (ev->xany.window == R->TermWin.vt ? "vt" : (ev->xany.window == R->scrollBar.win ? "scroll" : (ev->xany.window == R->menuBar.win ? "menubar" : "UNKNOWN")))), (ev->xany.window == R->TermWin.parent[0] ? R->TermWin.parent[0] : (ev->xany.window == R->TermWin.vt ? R->TermWin.vt : (ev->xany.window == R->scrollBar.win ? R->scrollBar.win : (ev->xany.window == R->menuBar.win ? R->menuBar.win : 0)))), ltt->tm_year + 1900, ltt->tm_mon + 1, ltt->tm_mday, ltt->tm_hour, ltt->tm_min, ltt->tm_sec, tp.tv_usec, ev->xany.send_event ? "S" : " ", ev->xany.serial));
1194#endif
1195
1196 /* X event timeouts */
1197 if (want_timeout)
1198 for (i = NUM_TIMEOUTS; i--; ) {
1199 if (R->timeout[i].tv_sec == 0)
1200 continue;
1201 if ((tp.tv_sec < R->timeout[i].tv_sec)
1202 || (tp.tv_sec == R->timeout[i].tv_sec
1203 && tp.tv_usec < R->timeout[i].tv_usec))
1204 continue;
1205 R->timeout[i].tv_sec = 0;
1206 switch(i) {
1207 case TIMEOUT_INCR:
1208 rxvt_print_error("data loss: timeout on INCR selection paste");
1209 R->selection_wait = Sel_none;
1210 break;
1211 default:
1212 break;
1213 }
1214 }
1215
1216 switch (ev->type) {
1217 case KeyPress:
1218 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1219 break;
1220
1221#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1222 case KeyRelease:
1223 {
1224 if (!(ev->xkey.state & ControlMask))
1225 R->mouse_slip_wheel_speed = 0;
1226 else {
1227 KeySym ks;
1228
1229 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1230 if (ks == XK_Control_L || ks == XK_Control_R)
1231 R->mouse_slip_wheel_speed = 0;
1232 }
1233 break;
1234 }
1235#endif
1236
1237 case ButtonPress:
1238 rxvt_button_press(aR_ (XButtonEvent *)ev);
1239 break;
1240
1241 case ButtonRelease:
1242 rxvt_button_release(aR_ (XButtonEvent *)ev);
1243 break;
1244
1245 case ClientMessage:
1246 if (ev->xclient.format == 32
1247 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1248 exit(EXIT_SUCCESS);
1249#ifdef OFFIX_DND
1250 /* OffiX Dnd (drag 'n' drop) protocol */
1251 if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1252 && (ev->xclient.data.l[0] == DndFile
1253 || ev->xclient.data.l[0] == DndDir
1254 || ev->xclient.data.l[0] == DndLink)) {
1255 /* Get Dnd data */
1256 Atom ActualType;
1257 int ActualFormat;
1258 unsigned char *data;
1259 unsigned long Size, RemainingBytes;
1260
1261 XGetWindowProperty(R->Xdisplay, Xroot,
1262 R->xa[XA_DNDSELECTION],
1263 0L, 1000000L,
1264 False, AnyPropertyType,
1265 &ActualType, &ActualFormat,
1266 &Size, &RemainingBytes,
1267 &data);
1268 XChangeProperty(R->Xdisplay, Xroot,
1269 XA_CUT_BUFFER0, XA_STRING,
1270 8, PropModeReplace,
1271 data, STRLEN(data));
1272 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1273 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1274 }
1275#endif /* OFFIX_DND */
1276 break;
1277
1278 case MappingNotify:
1279 XRefreshKeyboardMapping(&(ev->xmapping));
1280 break;
1281
1282 /*
1283 * XXX: this is not the _current_ arrangement
1284 * Here's my conclusion:
1285 * If the window is completely unobscured, use bitblt's
1286 * to scroll. Even then, they're only used when doing partial
1287 * screen scrolling. When partially obscured, we have to fill
1288 * in the GraphicsExpose parts, which means that after each refresh,
1289 * we need to wait for the graphics expose or Noexpose events,
1290 * which ought to make things real slow!
1291 */
1292 case VisibilityNotify:
1293 switch (ev->xvisibility.state) {
1294 case VisibilityUnobscured:
1295 R->refresh_type = FAST_REFRESH;
1296 break;
1297 case VisibilityPartiallyObscured:
1298 R->refresh_type = SLOW_REFRESH;
1299 break;
1300 default:
1301 R->refresh_type = NO_REFRESH;
1302 break;
1303 }
1304 break;
1305
1306 case FocusIn:
1307 if (!R->TermWin.focus) {
1308 R->TermWin.focus = 1;
1309 R->want_refresh = 1;
1310#ifdef USE_XIM
1311 if (R->Input_Context != NULL)
1312 XSetICFocus(R->Input_Context);
1313#endif
1314#ifdef CURSOR_BLINK
1315 if (R->Options & Opt_cursorBlink)
1316 R->blink_ev.start (NOW + BLINK_INTERVAL);
1317#endif
1318 }
1319 break;
1320
1321 case FocusOut:
1322 if (R->TermWin.focus) {
1323 R->TermWin.focus = 0;
1324 R->want_refresh = 1;
1325#ifdef USE_XIM
1326 if (R->Input_Context != NULL)
1327 XUnsetICFocus(R->Input_Context);
1328#endif
1329#ifdef CURSOR_BLINK
1330 if (R->Options & Opt_cursorBlink)
1331 R->blink_ev.stop ();
1332 R->hidden_cursor = 0;
1333#endif
1334 }
1335 break;
1336
1337 case ConfigureNotify:
1338 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1339 int height, width;
1340
1341 do { /* Wrap lots of configures into one */
1342 width = ev->xconfigure.width;
1343 height = ev->xconfigure.height;
1344 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1345 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1346 ConfigureNotify, ev));
1347 if (R->szHint.width != width || R->szHint.height != height) {
1348 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1349 rxvt_resize_all_windows(aR_ (unsigned int)width,
1350 (unsigned int)height, 1);
1351 }
1352#ifdef DEBUG_SIZE
1353 else {
1354 D_SIZE((stderr, "Size: Not resizing"));
1355 }
1356#endif
1357#ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1358 if (R->Options & Opt_transparent) {
1359 rxvt_check_our_parents(aR);
1360 if (R->am_transparent)
1361 R->want_full_refresh = 1;
1362 }
1363#endif
1364 }
1365 break;
1366
1367 case SelectionClear:
1368 rxvt_selection_clear(aR);
1369 break;
1370
1371 case SelectionNotify:
1372 if (R->selection_wait == Sel_normal)
1373 rxvt_selection_paste(aR_ ev->xselection.requestor,
1374 ev->xselection.property, True);
1375 break;
1376
1377 case SelectionRequest:
1378 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1379 break;
1380
1381 case UnmapNotify:
1382 R->TermWin.mapped = 0;
1383 break;
1384
1385 case MapNotify:
1386 R->TermWin.mapped = 1;
1387 break;
1388
1389 case PropertyNotify:
1390 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1391 if (ev->xproperty.state == PropertyNewValue)
1392 rxvt_selection_property(aR_ ev->xproperty.window,
1393 ev->xproperty.atom);
1394 break;
1395 }
1396#ifdef TRANSPARENT
1397 /*
1398 * if user used some Esetroot compatible prog to set the root bg,
1399 * use the property to determine the pixmap. We use it later on.
1400 */
1401 if (R->xa[XA_XROOTPMAPID] == 0)
1402 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1403 "_XROOTPMAP_ID", False);
1404 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1405 break;
1406 /* FALLTHROUGH */
1407 case ReparentNotify:
1408 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1409 if (R->am_transparent)
1410 R->want_full_refresh = 1;
1411 }
1412#endif /* TRANSPARENT */
1413 break;
1414
1415 case GraphicsExpose:
1416 case Expose:
1417 if (ev->xany.window == R->TermWin.vt) {
1418#ifdef NO_SLOW_LINK_SUPPORT
1419 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1420 ev->xexpose.width, ev->xexpose.height, False);
1421#else
1422 // don't understand this, so commented it out
1423 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1424 ev->xexpose.width, ev->xexpose.height, False);
1425 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1426 // ev->xexpose.width, R->TermWin.height, False);
1427#endif
1428 R->want_refresh = 1;
1429 } else {
1430 XEvent unused_xevent;
1431
1432 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1433 Expose,
1434 &unused_xevent)) ;
1435 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1436 GraphicsExpose,
1437 &unused_xevent)) ;
1438 if (isScrollbarWindow(ev->xany.window)) {
1439 scrollbar_setIdle();
1440 rxvt_scrollbar_show(aR_ 0);
1441 }
1442#ifdef MENUBAR
1443 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1444 rxvt_menubar_expose(aR);
1445#endif
1446#ifdef RXVT_GRAPHICS
1447 rxvt_Gr_expose(aR_ ev->xany.window);
1448#endif
1449 }
1450 break;
1451
1452 case MotionNotify:
1453#ifdef POINTER_BLANK
1454 if (R->hidden_pointer)
1455 R->pointer_unblank ();
1456#endif
1457#if MENUBAR
1458 if (isMenuBarWindow(ev->xany.window)) {
1459 rxvt_menubar_control(aR_ &(ev->xbutton));
1460 break;
1461 }
1462#endif
1463 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1464 break;
1465
1466 if (ev->xany.window == R->TermWin.vt) {
1467 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1468 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1469 MotionNotify, ev)) ;
1470 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1471 &unused_root, &unused_child,
1472 &unused_root_x, &unused_root_y,
1473 &(ev->xbutton.x), &(ev->xbutton.y),
1474 &unused_mask);
1475#ifdef MOUSE_THRESHOLD
1476 /* deal with a `jumpy' mouse */
1477 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1478#endif
1479 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1480 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1481#ifdef SELECTION_SCROLLING
1482 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1483 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1484 int dist;
1485
1486 R->pending_scroll_selection=1;
1487
1488 /* don't clobber the current delay if we are
1489 * already in the middle of scrolling.
1490 */
1491 if (R->scroll_selection_delay<=0)
1492 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1493
1494 /* save the event params so we can highlight
1495 * the selection in the pending-scroll loop
1496 */
1497 R->selection_save_x=ev->xbutton.x;
1498 R->selection_save_y=ev->xbutton.y;
1499 R->selection_save_state=
1500 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1501
1502 /* calc number of lines to scroll */
1503 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1504 R->scroll_selection_dir = UP;
1505 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1506 }
1507 else {
1508 R->scroll_selection_dir = DN;
1509 dist = ev->xbutton.y -
1510 (R->TermWin.int_bwidth + R->TermWin.height);
1511 }
1512 R->scroll_selection_lines=(Pixel2Height(dist)/
1513 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1514 MIN_IT(R->scroll_selection_lines,
1515 SELECTION_SCROLL_MAX_LINES);
1516 }
1517 else {
1518 /* we are within the text window, so we
1519 * shouldn't be scrolling
1520 */
1521 R->pending_scroll_selection = 0;
1522 }
1523#endif
1524#ifdef MOUSE_THRESHOLD
1525 }
1526#endif
1527 }
1528 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1529 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1530 MotionNotify, ev)) ;
1531 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1532 &unused_root, &unused_child,
1533 &unused_root_x, &unused_root_y,
1534 &(ev->xbutton.x), &(ev->xbutton.y),
1535 &unused_mask);
1536 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1537 scrollbar_size());
1538 rxvt_scr_refresh(aR_ R->refresh_type);
1539 R->refresh_limit = 0;
1540 rxvt_scrollbar_show(aR_ 1);
1541 }
1542 break;
1543 }
1544}
1545
1546/* INTPROTO */
1547void
1548rxvt_button_press(pR_ XButtonEvent *ev)
1549{
1550 int reportmode = 0, clickintime;
1551
1552 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1553 if (!R->bypass_keystate)
1554 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1555/*
1556 * VT window processing of button press
1557 */
1558 if (ev->window == R->TermWin.vt)
1559 {
1560#if RXVT_GRAPHICS
1561 if (ev->subwindow != None)
1562 rxvt_Gr_ButtonPress(ev->x, ev->y);
1563 else
1564#endif
1565 { 2356 {
1566 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME; 2357 try
1567 if (reportmode)
1568 { 2358 {
1569 /* mouse report from vt window */ 2359 process_nonprinting (ch);
1570 /* save the xbutton state (for ButtonRelease) */
1571 R->MEvent.state = ev->state;
1572#ifdef MOUSE_REPORT_DOUBLECLICK
1573 if (ev->button == R->MEvent.button && clickintime)
1574 {
1575 /* same button, within alloted time */
1576 R->MEvent.clicks++;
1577 if (R->MEvent.clicks > 1)
1578 {
1579 /* only report double clicks */
1580 R->MEvent.clicks = 2;
1581 rxvt_mouse_report(aR_ ev);
1582
1583 /* don't report the release */
1584 R->MEvent.clicks = 0;
1585 R->MEvent.button = AnyButton;
1586 }
1587 }
1588 else
1589 {
1590 /* different button, or time expired */
1591 R->MEvent.clicks = 1;
1592 R->MEvent.button = ev->button;
1593 rxvt_mouse_report(aR_ ev);
1594 }
1595#else
1596 R->MEvent.button = ev->button;
1597 rxvt_mouse_report(aR_ ev);
1598#endif /* MOUSE_REPORT_DOUBLECLICK */
1599 }
1600 else 2360 }
2361 catch (const class out_of_input &o)
1601 { 2362 {
1602 if (ev->button != R->MEvent.button) 2363 // we ran out of input, retry later
1603 R->MEvent.clicks = 0; 2364 cmdbuf_ptr = seq_begin;
1604 switch (ev->button)
1605 {
1606 case Button1:
1607 if (R->MEvent.button == Button1 && clickintime)
1608 R->MEvent.clicks++;
1609 else
1610 R->MEvent.clicks = 1;
1611 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1612 R->MEvent.button = Button1;
1613 break; 2365 break;
1614
1615 case Button3:
1616 if (R->MEvent.button == Button3 && clickintime)
1617 rxvt_selection_rotate(aR_ ev->x, ev->y);
1618 else
1619 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1620 R->MEvent.button = Button3;
1621 break;
1622 } 2366 }
1623 } 2367
1624 R->MEvent.time = ev->time; 2368 ch = NOCHAR;
1625 return;
1626 }
1627 } 2369 }
1628
1629/*
1630 * Scrollbar window processing of button press
1631 */
1632 if (isScrollbarWindow(ev->window))
1633 {
1634 scrollbar_setIdle();
1635 /*
1636 * Rxvt-style scrollbar:
1637 * move up if mouse is above slider
1638 * move dn if mouse is below slider
1639 *
1640 * XTerm-style scrollbar:
1641 * Move display proportional to pointer location
1642 * pointer near top -> scroll one line
1643 * pointer near bot -> scroll full page
1644 */
1645#ifndef NO_SCROLLBAR_REPORT
1646 if (reportmode) {
1647 /*
1648 * Mouse report disabled scrollbar:
1649 * arrow buttons - send up/down
1650 * click on scrollbar - send pageup/down
1651 */
1652 if ((R->scrollBar.style == R_SB_NEXT
1653 && scrollbarnext_upButton(ev->y))
1654 || (R->scrollBar.style == R_SB_RXVT
1655 && scrollbarrxvt_upButton(ev->y)))
1656 rxvt_tt_printf(aR_ "\033[A");
1657 else if ((R->scrollBar.style == R_SB_NEXT
1658 && scrollbarnext_dnButton(ev->y))
1659 || (R->scrollBar.style == R_SB_RXVT
1660 && scrollbarrxvt_dnButton(ev->y)))
1661 rxvt_tt_printf(aR_ "\033[B");
1662 else
1663 switch (ev->button) {
1664 case Button2:
1665 rxvt_tt_printf(aR_ "\014");
1666 break;
1667 case Button1:
1668 rxvt_tt_printf(aR_ "\033[6~");
1669 break;
1670 case Button3:
1671 rxvt_tt_printf(aR_ "\033[5~");
1672 break;
1673 }
1674 }
1675 else
1676#endif /* NO_SCROLLBAR_REPORT */
1677 {
1678 char upordown = 0;
1679
1680 if (R->scrollBar.style == R_SB_NEXT) {
1681 if (scrollbarnext_upButton(ev->y))
1682 upordown = -1; /* up */
1683 else if (scrollbarnext_dnButton(ev->y))
1684 upordown = 1; /* down */
1685 } else if (R->scrollBar.style == R_SB_RXVT) {
1686 if (scrollbarrxvt_upButton(ev->y))
1687 upordown = -1; /* up */
1688 else if (scrollbarrxvt_dnButton(ev->y))
1689 upordown = 1; /* down */
1690 } 2370 }
1691 if (upordown) {
1692#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1693 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1694#endif
1695 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1696 if (upordown < 0)
1697 scrollbar_setUp();
1698 else
1699 scrollbar_setDn();
1700 }
1701 } else
1702 switch (ev->button) {
1703 case Button2:
1704 switch (R->scrollbar_align) {
1705 case R_SB_ALIGN_TOP:
1706 R->csrO = 0;
1707 break;
1708 case R_SB_ALIGN_CENTRE:
1709 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1710 break;
1711 case R_SB_ALIGN_BOTTOM:
1712 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1713 break;
1714 }
1715 if (R->scrollBar.style == R_SB_XTERM
1716 || scrollbar_above_slider(ev->y)
1717 || scrollbar_below_slider(ev->y))
1718 rxvt_scr_move_to(aR_
1719 scrollbar_position(ev->y) - R->csrO,
1720 scrollbar_size());
1721 scrollbar_setMotion();
1722 break;
1723
1724 case Button1:
1725 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1726 R->csrO = ev->y - R->scrollBar.top;
1727 /* FALLTHROUGH */
1728
1729 case Button3:
1730 if (R->scrollBar.style != R_SB_XTERM) {
1731 if (scrollbar_above_slider(ev->y))
1732# ifdef RXVT_SCROLL_FULL
1733 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1734# else
1735 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1736# endif
1737 else if (scrollbar_below_slider(ev->y))
1738# ifdef RXVT_SCROLL_FULL
1739 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1740# else
1741 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1742# endif
1743 else
1744 scrollbar_setMotion();
1745 } else {
1746 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1747 (R->TermWin.nrow
1748 * scrollbar_position(ev->y)
1749 / scrollbar_size()));
1750 }
1751 break;
1752 }
1753 }
1754 return;
1755 }
1756#if MENUBAR
1757 /*
1758 * Menubar window processing of button press
1759 */
1760 if (isMenuBarWindow(ev->window))
1761 rxvt_menubar_control(aR_ ev);
1762#endif
1763} 2371}
1764 2372
1765/* INTPROTO */ 2373// read the next character
1766void 2374wchar_t ecb_hot
1767rxvt_button_release(pR_ XButtonEvent *ev) 2375rxvt_term::next_char () noexcept
1768{ 2376{
1769 int reportmode = 0; 2377 while (cmdbuf_ptr < cmdbuf_endp)
1770
1771 R->csrO = 0; /* reset csr Offset */
1772 if (!R->bypass_keystate)
1773 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1774
1775 if (scrollbar_isUpDn()) {
1776 scrollbar_setIdle();
1777 rxvt_scrollbar_show(aR_ 0);
1778#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1779 R->refresh_type &= ~SMOOTH_REFRESH;
1780#endif
1781 }
1782#ifdef SELECTION_SCROLLING
1783 R->pending_scroll_selection=0;
1784#endif
1785 if (ev->window == R->TermWin.vt)
1786 { 2378 {
1787#ifdef RXVT_GRAPHICS 2379 // assume 7-bit to be ascii ALWAYS (always true in POSIX)
1788 if (ev->subwindow != None) 2380 if (ecb_likely ((unsigned char)*cmdbuf_ptr <= 0x7f))
1789 rxvt_Gr_ButtonRelease(ev->x, ev->y); 2381 return *cmdbuf_ptr++;
1790 else 2382
1791#endif 2383 wchar_t wc;
2384 size_t len = mbrtowc (&wc, cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, mbstate);
2385
2386 if (len == (size_t)-2)
1792 { 2387 {
1793 if (reportmode) 2388 // the mbstate stores incomplete sequences. didn't know this :/
2389 cmdbuf_ptr = cmdbuf_endp;
2390 break;
2391 }
2392
2393 if (len == (size_t)-1)
1794 { 2394 {
1795 /* mouse report from vt window */ 2395 mbstate.reset (); // reset now undefined conversion state
1796 /* don't report release of wheel "buttons" */ 2396 // a -1 might indicate that a previous incomplete char is invalid (previous return -2)
1797 if (ev->button >= 4) 2397 // in which case we "erroneously" return the next byte which might be valid.
1798 return; 2398 return (unsigned char)*cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
1799#ifdef MOUSE_REPORT_DOUBLECLICK 2399 }
1800 /* only report the release of 'slow' single clicks */ 2400
1801 if (R->MEvent.button != AnyButton 2401 // assume wchar == unicode
1802 && (ev->button != R->MEvent.button 2402 cmdbuf_ptr += len;
1803 || (ev->time - R->MEvent.time 2403 return wc & UNICODE_MASK;
1804 > MULTICLICK_TIME / 2)))
1805 {
1806 R->MEvent.clicks = 0;
1807 R->MEvent.button = AnyButton;
1808 rxvt_mouse_report(aR_ ev);
1809 }
1810#else /* MOUSE_REPORT_DOUBLECLICK */
1811 R->MEvent.button = AnyButton;
1812 rxvt_mouse_report(aR_ ev);
1813#endif /* MOUSE_REPORT_DOUBLECLICK */
1814 return;
1815 } 2404 }
1816 /*
1817 * dumb hack to compensate for the failure of click-and-drag
1818 * when overriding mouse reporting
1819 */
1820 if (R->PrivateModes & PrivMode_mouse_report
1821 && R->bypass_keystate
1822 && ev->button == Button1 && R->MEvent.clicks <= 1)
1823 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1824 2405
1825 switch (ev->button) { 2406 return NOCHAR;
1826 case Button1:
1827 case Button3:
1828 rxvt_selection_make(aR_ ev->time);
1829 break;
1830 case Button2:
1831 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1832 break;
1833#ifdef MOUSE_WHEEL
1834 case Button4:
1835 case Button5:
1836 {
1837 int i, v;
1838
1839 v = (ev->button == Button4) ? UP : DN;
1840 if (ev->state & ShiftMask)
1841 i = 1;
1842 else if ((R->Options & Opt_mouseWheelScrollPage))
1843 i = R->TermWin.nrow - 1;
1844 else
1845 i = 5;
1846# ifdef MOUSE_SLIP_WHEELING
1847 if (ev->state & ControlMask)
1848 {
1849 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1850 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1851 }
1852# endif
1853# ifdef JUMP_MOUSE_WHEEL
1854 rxvt_scr_page(aR_ v, i);
1855 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1856 rxvt_scrollbar_show(aR_ 1);
1857# else
1858 for (; i--;)
1859 {
1860 rxvt_scr_page(aR_ v, 1);
1861 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1862 rxvt_scrollbar_show(aR_ 1);
1863 }
1864# endif
1865 }
1866 break;
1867#endif
1868 }
1869 }
1870 }
1871#ifdef MENUBAR
1872 else if (isMenuBarWindow(ev->window))
1873 rxvt_menubar_control(aR_ ev);
1874#endif
1875} 2407}
1876 2408
1877 2409// read the next octet
1878#ifdef TRANSPARENT 2410uint32_t ecb_hot
1879/* 2411rxvt_term::next_octet () noexcept
1880 * Check our parents are still who we think they are.
1881 * Do transparency updates if required
1882 */
1883/* EXTPROTO */
1884int
1885rxvt_check_our_parents(pR)
1886{ 2412{
1887 int i, pchanged, aformat, have_pixmap, rootdepth; 2413 return cmdbuf_ptr < cmdbuf_endp
1888 unsigned long nitems, bytes_after; 2414 ? (unsigned char)*cmdbuf_ptr++
1889 Atom atype; 2415 : NOCHAR;
1890 unsigned char *prop = NULL;
1891 Window root, oldp, *list;
1892 Pixmap rootpixmap = None;
1893 XWindowAttributes wattr, wrootattr;
1894
1895 pchanged = 0;
1896
1897 if (!(R->Options & Opt_transparent))
1898 return pchanged; /* Don't try any more */
1899
1900 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1901 rootdepth = wrootattr.depth;
1902
1903 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1904 if (rootdepth != wattr.depth) {
1905 if (R->am_transparent) {
1906 pchanged = 1;
1907 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1908 R->PixColors[Color_bg]);
1909 R->am_transparent = R->am_pixmap_trans = 0;
1910 }
1911 return pchanged; /* Don't try any more */
1912 }
1913
1914/* Get all X ops out of the queue so that our information is up-to-date. */
1915 XSync(R->Xdisplay, False);
1916
1917/*
1918 * Make the frame window set by the window manager have
1919 * the root background. Some window managers put multiple nested frame
1920 * windows for each client, so we have to take care about that.
1921 */
1922 i = (R->xa[XA_XROOTPMAPID] != 0
1923 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1924 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1925 &nitems, &bytes_after, &prop) == Success));
1926 if (!i || prop == NULL)
1927 have_pixmap = 0;
1928 else {
1929 have_pixmap = 1;
1930 rootpixmap = *((Pixmap *)prop);
1931 XFree(prop);
1932 }
1933 if (have_pixmap) {
1934/*
1935 * Copy Xroot pixmap transparency
1936 */
1937 int sx, sy, nx, ny;
1938 unsigned int nw, nh;
1939 Window cr;
1940 XImage *image;
1941 GC gc;
1942 XGCValues gcvalue;
1943
1944 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1945 0, 0, &sx, &sy, &cr);
1946 nw = (unsigned int)R->szHint.width;
1947 nh = (unsigned int)R->szHint.height;
1948 nx = ny = 0;
1949 if (sx < 0) {
1950 nw += sx;
1951 nx = -sx;
1952 sx = 0;
1953 }
1954 if (sy < 0) {
1955 nh += sy;
1956 ny = -sy;
1957 sy = 0;
1958 }
1959 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1960 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1961 R->allowedxerror = -1;
1962 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1963 ZPixmap);
1964 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1965 /* XXX: may need a delay here? */
1966 R->allowedxerror = 0;
1967 if (image == NULL) {
1968 if (R->am_transparent && R->am_pixmap_trans) {
1969 pchanged = 1;
1970 if (R->TermWin.pixmap != None) {
1971 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1972 R->TermWin.pixmap = None;
1973 }
1974 }
1975 R->am_pixmap_trans = 0;
1976 } else {
1977 if (R->TermWin.pixmap != None)
1978 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1979 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1980 (unsigned int)R->szHint.width,
1981 (unsigned int)R->szHint.height,
1982 (unsigned int)image->depth);
1983 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1984 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1985 nx, ny, (unsigned int)image->width,
1986 (unsigned int)image->height);
1987 XFreeGC(R->Xdisplay, gc);
1988 XDestroyImage(image);
1989 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1990 R->TermWin.pixmap);
1991 if (!R->am_transparent || !R->am_pixmap_trans)
1992 pchanged = 1;
1993 R->am_transparent = R->am_pixmap_trans = 1;
1994 }
1995 }
1996 if (!R->am_pixmap_trans) {
1997 unsigned int n;
1998/*
1999 * InheritPixmap transparency
2000 */
2001 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2002 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2003 i++) {
2004 oldp = R->TermWin.parent[i];
2005 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2006 &R->TermWin.parent[i], &list, &n);
2007 XFree(list);
2008 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2009 if (R->TermWin.parent[i] == Xroot) {
2010 if (oldp != None)
2011 pchanged = 1;
2012 break;
2013 }
2014 if (oldp != R->TermWin.parent[i])
2015 pchanged = 1;
2016 }
2017 n = 0;
2018 if (pchanged) {
2019 for (; n < (unsigned int)i; n++) {
2020 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2021 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2022 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2023 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2024 break;
2025 }
2026 }
2027 }
2028 if (n > (int)(sizeof(R->TermWin.parent)
2029 / sizeof(R->TermWin.parent[0]))) {
2030 D_X((stderr, "InheritPixmap Turning off"));
2031 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2032 R->PixColors[Color_fg]);
2033 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2034 R->PixColors[Color_bg]);
2035 R->am_transparent = 0;
2036 /* XXX: also turn off Opt_transparent? */
2037 } else {
2038 /* wait (an arbitrary period) for the WM to do its thing
2039 * needed for fvwm2.2.2 (and before?) */
2040# ifdef HAVE_NANOSLEEP
2041 struct timespec rqt;
2042
2043 rqt.tv_sec = 1;
2044 rqt.tv_nsec = 0;
2045 nanosleep(&rqt, NULL);
2046# else
2047 sleep(1);
2048# endif
2049 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2050 for (n = 0; n < (unsigned int)i; n++)
2051 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2052 ParentRelative);
2053 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2054 ParentRelative);
2055 R->am_transparent = 1;
2056 }
2057 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2058 R->TermWin.parent[i] = None;
2059 }
2060 return pchanged;
2061} 2416}
2062#endif
2063 2417
2064/*}}} */ 2418static class out_of_input out_of_input;
2419
2420wchar_t ecb_hot
2421rxvt_term::cmd_getc ()
2422{
2423 wchar_t c = next_char ();
2424
2425 if (c == NOCHAR)
2426 throw out_of_input;
2427
2428 return c;
2429}
2430
2431uint32_t ecb_hot
2432rxvt_term::cmd_get8 ()
2433{
2434 uint32_t c = next_octet ();
2435
2436 if (c == NOCHAR)
2437 throw out_of_input;
2438
2439 return c;
2440}
2065 2441
2066/*{{{ print pipe */ 2442/*{{{ print pipe */
2067/*----------------------------------------------------------------------*/ 2443/*----------------------------------------------------------------------*/
2068#ifdef PRINTPIPE 2444#ifdef PRINTPIPE
2069/* EXTPROTO */ 2445FILE * ecb_cold
2070FILE *
2071rxvt_popen_printer(pR) 2446rxvt_term::popen_printer ()
2072{ 2447{
2073 FILE *stream = popen(R->rs[Rs_print_pipe], "w"); 2448 FILE *stream = popen (rs[Rs_print_pipe] ? rs[Rs_print_pipe] : PRINTPIPE, "w");
2074 2449
2075 if (stream == NULL) 2450 if (stream == NULL)
2076 rxvt_print_error("can't open printer pipe"); 2451 rxvt_warn ("can't open printer pipe, not printing.\n");
2452
2077 return stream; 2453 return stream;
2078} 2454}
2079 2455
2080/* EXTPROTO */ 2456int ecb_cold
2081int
2082rxvt_pclose_printer(FILE *stream) 2457rxvt_term::pclose_printer (FILE *stream)
2083{ 2458{
2084 fflush(stream); 2459 fflush (stream);
2085/* pclose() reported not to work on SunOS 4.1.3 */
2086# if defined (__sun__) /* TODO: RESOLVE THIS */
2087/* pclose works provided SIGCHLD handler uses waitpid */
2088 return pclose(stream); /* return fclose (stream); */
2089# else
2090 return pclose(stream); 2460 return pclose (stream);
2091# endif
2092} 2461}
2093 2462
2094/* 2463/*
2095 * simulate attached vt100 printer 2464 * simulate attached vt100 printer
2096 */ 2465 */
2097/* INTPROTO */ 2466void ecb_cold
2098void
2099rxvt_process_print_pipe(pR) 2467rxvt_term::process_print_pipe ()
2100{ 2468{
2101 int done; 2469 FILE *fd = popen_printer ();
2102 FILE *fd;
2103 2470
2104 if ((fd = rxvt_popen_printer(aR)) == NULL) 2471 if (!fd)
2105 return; 2472 return;
2106 2473
2107/* 2474 /*
2108 * Send all input to the printer until either ESC[4i or ESC[?4i 2475 * Send all input to the printer until either ESC[4i or ESC[?4i
2109 * is received. 2476 * is received.
2110 */ 2477 */
2111 for (done = 0; !done;) { 2478 for (int done = 0; !done; )
2479 {
2112 unsigned char buf[8]; 2480 unsigned char buf[8];
2113 unsigned char ch; 2481 unicode_t ch;
2114 unsigned int i, len; 2482 unsigned int i, len;
2115 2483
2116 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) { 2484 if ((ch = cmd_getc ()) != C0_ESC)
2485 {
2117 if (putc(ch, fd) == EOF) 2486 if (putc (ch, fd) == EOF)
2118 break; /* done = 1 */ 2487 break; /* done = 1 */
2119 } else { 2488 }
2489 else
2490 {
2120 len = 0; 2491 len = 0;
2121 buf[len++] = ch; 2492 buf[len++] = ch;
2122 2493
2123 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') { 2494 if ((buf[len++] = cmd_getc ()) == '[')
2124 if ((ch = rxvt_cmd_getc(aR)) == '?') { 2495 {
2125 buf[len++] = '?'; 2496 if ((ch = cmd_getc ()) == '?')
2126 ch = rxvt_cmd_getc(aR); 2497 {
2127 } 2498 buf[len++] = '?';
2499 ch = cmd_getc ();
2500 }
2128 if ((buf[len++] = ch) == '4') { 2501 if ((buf[len++] = ch) == '4')
2502 {
2129 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i') 2503 if ((buf[len++] = cmd_getc ()) == 'i')
2130 break; /* done = 1 */ 2504 break; /* done = 1 */
2131 } 2505 }
2506 }
2507
2508 for (i = 0; i < len; i++)
2509 if (putc (buf[i], fd) == EOF)
2510 {
2511 done = 1;
2512 break;
2513 }
2514 }
2132 } 2515 }
2133 for (i = 0; i < len; i++) 2516
2134 if (putc(buf[i], fd) == EOF) {
2135 done = 1;
2136 break;
2137 }
2138 }
2139 }
2140 rxvt_pclose_printer(fd); 2517 pclose_printer (fd);
2141} 2518}
2142#endif /* PRINTPIPE */ 2519#endif /* PRINTPIPE */
2143/*}}} */ 2520/*}}} */
2144 2521
2145/* *INDENT-OFF* */
2146enum { 2522enum {
2147 C1_40 = 0x40, 2523 C1_40 = 0x40,
2148 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA, 2524 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2149 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3, 2525 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2150 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA, 2526 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2151 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC 2527 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC,
2152}; 2528};
2153/* *INDENT-ON* */
2154 2529
2155/*{{{ process non-printing single characters */ 2530/*{{{ process non-printing single characters */
2156/* INTPROTO */ 2531void ecb_hot
2157void 2532rxvt_term::process_nonprinting (unicode_t ch)
2158rxvt_process_nonprinting(pR_ unsigned char ch)
2159{ 2533{
2160 switch (ch) { 2534 switch (ch)
2535 {
2536 case C0_ESC:
2537 process_escape_seq ();
2538 break;
2161 case C0_ENQ: /* terminal Status */ 2539 case C0_ENQ: /* terminal Status */
2162 if (R->rs[Rs_answerbackstring]) 2540 if (rs[Rs_answerbackstring])
2163 rxvt_tt_write(aR_ 2541 tt_write (rs [Rs_answerbackstring], strlen (rs [Rs_answerbackstring]));
2164 (const unsigned char *)R->rs[Rs_answerbackstring], 2542 else
2165 (unsigned int)STRLEN(R->rs[Rs_answerbackstring])); 2543 tt_write (VT100_ANS, strlen (VT100_ANS));
2166 else 2544 break;
2167 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2168 (unsigned int)STRLEN(VT100_ANS));
2169 break;
2170 case C0_BEL: /* bell */ 2545 case C0_BEL: /* bell */
2171 rxvt_scr_bell(aR); 2546 scr_bell ();
2172 break; 2547 break;
2173 case C0_BS: /* backspace */ 2548 case C0_BS: /* backspace */
2174 rxvt_scr_backspace(aR); 2549 scr_backspace ();
2175 break; 2550 break;
2176 case C0_HT: /* tab */ 2551 case C0_HT: /* tab */
2177 rxvt_scr_tab(aR_ 1); 2552 scr_tab (1);
2178 break; 2553 break;
2179 case C0_CR: /* carriage return */ 2554 case C0_CR: /* carriage return */
2180 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 2555 scr_gotorc (0, 0, R_RELATIVE);
2181 break; 2556 break;
2182 case C0_VT: /* vertical tab, form feed */ 2557 case C0_VT: /* vertical tab, form feed */
2183 case C0_FF: 2558 case C0_FF:
2184 case C0_LF: /* line feed */ 2559 case C0_LF: /* line feed */
2185 rxvt_scr_index(aR_ UP); 2560 scr_index (UP);
2186 break; 2561 break;
2187 case C0_SO: /* shift out - acs */ 2562 case C0_SO: /* shift out - acs */
2188 rxvt_scr_charset_choose(aR_ 1); 2563 scr_charset_choose (1);
2189 break; 2564 break;
2190 case C0_SI: /* shift in - acs */ 2565 case C0_SI: /* shift in - acs */
2191 rxvt_scr_charset_choose(aR_ 0); 2566 scr_charset_choose (0);
2192 break; 2567 break;
2568
2569#ifdef EIGHT_BIT_CONTROLS
2570 // 8-bit controls
2571 case 0x90: /* DCS */
2572 process_dcs_seq ();
2573 break;
2574 case 0x9b: /* CSI */
2575 process_csi_seq ();
2576 break;
2577 case 0x9d: /* OSC */
2578 process_osc_seq ();
2579 break;
2580#endif
2193 } 2581 }
2194} 2582}
2195/*}}} */ 2583/*}}} */
2196 2584
2197 2585
2198/*{{{ process VT52 escape sequences */ 2586/*{{{ process VT52 escape sequences */
2199/* INTPROTO */ 2587void ecb_cold
2200void 2588rxvt_term::process_escape_vt52 (unicode_t ch)
2201rxvt_process_escape_vt52(pR_ unsigned char ch)
2202{ 2589{
2203 int row, col; 2590 int row, col;
2591
2592 switch (ch)
2204 2593 {
2205 switch (ch) {
2206 case 'A': /* cursor up */ 2594 case 'A': /* cursor up */
2207 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE); 2595 scr_gotorc (-1, 0, R_RELATIVE | C_RELATIVE);
2208 break; 2596 break;
2209 case 'B': /* cursor down */ 2597 case 'B': /* cursor down */
2210 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE); 2598 scr_gotorc (1, 0, R_RELATIVE | C_RELATIVE);
2211 break; 2599 break;
2212 case 'C': /* cursor right */ 2600 case 'C': /* cursor right */
2213 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 2601 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
2214 break; 2602 break;
2215 case 'D': /* cursor left */ 2603 case 'D': /* cursor left */
2216 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 2604 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
2217 break; 2605 break;
2218 case 'H': /* cursor home */ 2606 case 'H': /* cursor home */
2219 rxvt_scr_gotorc(aR_ 0, 0, 0); 2607 scr_gotorc (0, 0, 0);
2220 break; 2608 break;
2221 case 'I': /* cursor up and scroll down if needed */ 2609 case 'I': /* cursor up and scroll down if needed */
2222 rxvt_scr_index(aR_ DN); 2610 scr_index (DN);
2223 break; 2611 break;
2224 case 'J': /* erase to end of screen */ 2612 case 'J': /* erase to end of screen */
2225 rxvt_scr_erase_screen(aR_ 0); 2613 scr_erase_screen (0);
2226 break; 2614 break;
2227 case 'K': /* erase to end of line */ 2615 case 'K': /* erase to end of line */
2228 rxvt_scr_erase_line(aR_ 0); 2616 scr_erase_line (0);
2229 break; 2617 break;
2230 case 'Y': /* move to specified row and col */ 2618 case 'Y': /* move to specified row and col */
2231 /* full command is 'ESC Y row col' where row and col 2619 /* full command is 'ESC Y row col' where row and col
2232 * are encoded by adding 32 and sending the ascii 2620 * are encoded by adding 32 and sending the ascii
2233 * character. eg. SPACE = 0, '+' = 13, '0' = 18, 2621 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2234 * etc. */ 2622 * etc. */
2235 row = rxvt_cmd_getc(aR) - ' '; 2623 row = cmd_getc () - ' ';
2236 col = rxvt_cmd_getc(aR) - ' '; 2624 col = cmd_getc () - ' ';
2237 rxvt_scr_gotorc(aR_ row, col, 0); 2625 scr_gotorc (row, col, 0);
2238 break; 2626 break;
2239 case 'Z': /* identify the terminal type */ 2627 case 'Z': /* identify the terminal type */
2240 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */ 2628 tt_printf ("\033/Z"); /* I am a VT100 emulating a VT52 */
2241 break; 2629 break;
2242 case '<': /* turn off VT52 mode */ 2630 case '<': /* turn off VT52 mode */
2243 PrivMode(0, PrivMode_vt52); 2631 priv_modes &= ~PrivMode_vt52;
2244 break; 2632 break;
2245 case 'F': /* use special graphics character set */ 2633 case 'F': /* use special graphics character set */
2246 case 'G': /* use regular character set */ 2634 case 'G': /* use regular character set */
2247 /* unimplemented */ 2635 /* unimplemented */
2248 break; 2636 break;
2249 case '=': /* use alternate keypad mode */ 2637 case '=': /* use alternate keypad mode */
2250 case '>': /* use regular keypad mode */ 2638 case '>': /* use regular keypad mode */
2251 /* unimplemented */ 2639 /* unimplemented */
2252 break; 2640 break;
2253 } 2641 }
2254} 2642}
2255/*}}} */ 2643/*}}} */
2256 2644
2257 2645
2258/*{{{ process escape sequences */ 2646/*{{{ process escape sequences */
2259/* INTPROTO */ 2647void ecb_hot
2260void
2261rxvt_process_escape_seq(pR) 2648rxvt_term::process_escape_seq ()
2262{ 2649{
2263 unsigned char ch = rxvt_cmd_getc(aR); 2650 unicode_t ch = cmd_getc ();
2264 2651
2265 if (R->PrivateModes & PrivMode_vt52) { 2652 if (priv_modes & PrivMode_vt52)
2266 rxvt_process_escape_vt52(aR_ ch);
2267 return;
2268 }
2269 2653 {
2654 process_escape_vt52 (ch);
2655 return;
2656 }
2657
2270 switch (ch) { 2658 switch (ch)
2271 /* case 1: do_tek_mode (); break; */ 2659 {
2272 case '#': 2660 case '#':
2273 if (rxvt_cmd_getc(aR) == '8') 2661 if (cmd_getc () == '8')
2274 rxvt_scr_E(aR); 2662 scr_E ();
2275 break; 2663 break;
2276 case '(': 2664 case '(':
2277 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR)); 2665 scr_charset_set (0, (unsigned int)cmd_getc ());
2278 break; 2666 break;
2279 case ')': 2667 case ')':
2280 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR)); 2668 scr_charset_set (1, (unsigned int)cmd_getc ());
2281 break; 2669 break;
2282 case '*': 2670 case '*':
2283 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR)); 2671 scr_charset_set (2, (unsigned int)cmd_getc ());
2284 break; 2672 break;
2285 case '+': 2673 case '+':
2286 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR)); 2674 scr_charset_set (3, (unsigned int)cmd_getc ());
2287 break; 2675 break;
2288#ifdef MULTICHAR_SET 2676#if !ENABLE_MINIMAL
2289 case '$':
2290 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2291 break;
2292#endif
2293#ifndef NO_FRILLS
2294 case '6': 2677 case '6':
2295 rxvt_scr_backindex(aR); 2678 scr_backindex ();
2296 break; 2679 break;
2297#endif 2680#endif
2298 case '7': 2681 case '7':
2299 rxvt_scr_cursor(aR_ SAVE); 2682 scr_cursor (SAVE);
2300 break; 2683 break;
2301 case '8': 2684 case '8':
2302 rxvt_scr_cursor(aR_ RESTORE); 2685 scr_cursor (RESTORE);
2303 break; 2686 break;
2304#ifndef NO_FRILLS 2687#if !ENABLE_MINIMAL
2305 case '9': 2688 case '9':
2306 rxvt_scr_forwardindex(aR); 2689 scr_forwardindex ();
2307 break; 2690 break;
2308#endif 2691#endif
2692 // DECPAM/DECPNM
2309 case '=': 2693 case '=':
2694 priv_modes |= PrivMode_aplKP;
2695 break;
2310 case '>': 2696 case '>':
2311 PrivMode((ch == '='), PrivMode_aplKP); 2697 priv_modes &= ~PrivMode_aplKP;
2312 break; 2698 break;
2313 2699
2314 case C1_40: 2700 case C1_40:
2315 rxvt_cmd_getc(aR); 2701 cmd_getc ();
2316 break; 2702 break;
2317 case C1_44: 2703 case C1_44:
2318 rxvt_scr_index(aR_ UP); 2704 scr_index (UP);
2319 break; 2705 break;
2320 2706
2321 /* 8.3.87: NEXT LINE */ 2707 /* 8.3.87: NEXT LINE */
2322 case C1_NEL: /* ESC E */ 2708 case C1_NEL: /* ESC E */
2323 {
2324 uint32_t nlcr[] = { '\n', '\r' };
2325 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2326 } 2709 {
2327 break; 2710 wchar_t nlcr[] = { C0_LF, C0_CR };
2711 scr_add_lines (nlcr, ecb_array_length (nlcr), 1);
2712 }
2713 break;
2328 2714
2715#if 0 // disabled because embedded newlines can make exploits easier
2329 /* kidnapped escape sequence: Should be 8.3.48 */ 2716 /* kidnapped escape sequence: Should be 8.3.48 */
2330 case C1_ESA: /* ESC G */ 2717 case C1_ESA: /* ESC G */
2331 rxvt_process_graphics(aR); 2718 // used by original rxvt for rob nations own graphics mode
2332 break; 2719 if (cmd_getc () == 'Q' && option (Opt_insecure))
2720 tt_printf ("\033G0\012"); /* query graphics - no graphics */
2721 break;
2722#endif
2333 2723
2334 /* 8.3.63: CHARACTER TABULATION SET */ 2724 /* 8.3.63: CHARACTER TABULATION SET */
2335 case C1_HTS: /* ESC H */ 2725 case C1_HTS: /* ESC H */
2336 rxvt_scr_set_tab(aR_ 1); 2726 scr_set_tab (1);
2337 break; 2727 break;
2338 2728
2339 /* 8.3.105: REVERSE LINE FEED */ 2729 /* 8.3.105: REVERSE LINE FEED */
2340 case C1_RI: /* ESC M */ 2730 case C1_RI: /* ESC M */
2341 rxvt_scr_index(aR_ DN); 2731 scr_index (DN);
2342 break; 2732 break;
2343 2733
2344 /* 8.3.142: SINGLE-SHIFT TWO */ 2734 /* 8.3.142: SINGLE-SHIFT TWO */
2345 /*case C1_SS2: scr_single_shift (2); break; */ 2735 /* case C1_SS2: break; */
2346 2736
2347 /* 8.3.143: SINGLE-SHIFT THREE */ 2737 /* 8.3.143: SINGLE-SHIFT THREE */
2348 /*case C1_SS3: scr_single_shift (3); break; */ 2738 /* case C1_SS3: break; */
2349 2739
2350 /* 8.3.27: DEVICE CONTROL STRING */ 2740 /* 8.3.27: DEVICE CONTROL STRING */
2351 case C1_DCS: /* ESC P */ 2741 case C1_DCS: /* ESC P */
2352 rxvt_process_dcs_seq(aR); 2742 process_dcs_seq ();
2353 break; 2743 break;
2354 2744
2355 /* 8.3.110: SINGLE CHARACTER INTRODUCER */ 2745 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2356 case C1_SCI: /* ESC Z */ 2746 case C1_SCI: /* ESC Z */
2357 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER, 2747 tt_write (ESCZ_ANSWER, sizeof (ESCZ_ANSWER) - 1);
2358 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2359 break; /* steal obsolete ESC [ c */ 2748 break; /* steal obsolete ESC [ c */
2360 2749
2361 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */ 2750 /* 8.3.16: CONTROL SEQUENCE INTRODUCER (CSI) */
2362 case C1_CSI: /* ESC [ */ 2751 case C1_CSI: /* ESC [ */
2363 rxvt_process_csi_seq(aR); 2752 process_csi_seq ();
2364 break; 2753 break;
2365 2754
2366 /* 8.3.90: OPERATING SYSTEM COMMAND */ 2755 /* 8.3.90: OPERATING SYSTEM COMMAND (OSC) */
2367 case C1_OSC: /* ESC ] */ 2756 case C1_OSC: /* ESC ] */
2368 rxvt_process_osc_seq(aR); 2757 process_osc_seq ();
2369 break; 2758 break;
2370 2759
2371 /* 8.3.106: RESET TO INITIAL STATE */ 2760 /* 8.3.106: RESET TO INITIAL STATE (RIS) */
2372 case 'c': 2761 case 'c':
2373 rxvt_scr_poweron(aR); 2762 mbstate.reset ();
2374 rxvt_scrollbar_show(aR_ 1); 2763 scr_poweron ();
2375 break; 2764 scrollBar.show (1);
2765 break;
2376 2766
2377 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */ 2767 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2378 case 'n': 2768 case 'n':
2379 rxvt_scr_charset_choose(aR_ 2); 2769 scr_charset_choose (2);
2380 break; 2770 break;
2381 2771
2382 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */ 2772 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2383 case 'o': 2773 case 'o':
2384 rxvt_scr_charset_choose(aR_ 3); 2774 scr_charset_choose (3);
2385 break; 2775 break;
2386 } 2776 }
2387} 2777}
2388/*}}} */ 2778/*}}} */
2389 2779
2390/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */ 2780/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2391/* *INDENT-OFF* */
2392enum { 2781enum {
2393 CSI_ICH = 0x40, 2782 CSI_ICH = 0x40,
2394 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA, 2783 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2395 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA , 2784 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2396 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC, 2785 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2397 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F, 2786 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2398 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC, 2787 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2399 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ, 2788 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2400 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 , 2789 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2401 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F 2790 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2402}; 2791};
2403 2792
2404#define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \ 2793#define make_byte(b0,b1,b2,b3,b4,b5,b6,b7) \
2405 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \ 2794 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2406 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0)) 2795 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2407#define get_byte_array_bit(array, bit) \ 2796#define get_byte_array_bit(array, bit) \
2408 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7)))) 2797 (!! ((array)[(bit) >> 3] & (1 << ((bit) & 7))))
2409 2798
2410const unsigned char csi_defaults[] = { 2799static const unsigned char csi_defaults[] =
2800 {
2411 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */ 2801 make_byte (1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2412 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */ 2802 make_byte (1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2413 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */ 2803 make_byte (1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2414 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */ 2804 make_byte (1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2415 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */ 2805 make_byte (1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2416 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */ 2806 make_byte (0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2417 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */ 2807 make_byte (0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2418 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */ 2808 make_byte (0,0,0,0,0,0,0,0), /* x, y, z, {, |, }, ~, */
2419}; 2809 };
2420/* *INDENT-ON* */
2421 2810
2422/* INTPROTO */ 2811void ecb_hot
2812rxvt_term::process_csi_seq ()
2813{
2814 unicode_t ch, priv, prev_ch, i;
2815 unsigned int nargs, p;
2816 int n, ndef;
2817 int arg[ESC_ARGS] = { };
2818
2819 nargs = 0;
2820
2821 priv = 0;
2822 ch = cmd_getc ();
2823 if ((ch >= '<' && ch <= '?') || ch == '!')
2824 {
2825 /* '<' '=' '>' '?' '!' */
2826 priv = ch;
2827 ch = cmd_getc ();
2828 }
2829
2830 prev_ch = 0;
2831 /* read any numerical arguments */
2832 for (n = -1; ch < CSI_ICH; )
2833 {
2834 if (isdigit (ch))
2835 {
2836 if (n < 0)
2837 n = ch - '0';
2838 else
2839 n = n * 10 + ch - '0';
2840 }
2841 else if (ch == ';')
2842 {
2843 if (nargs < ESC_ARGS)
2844 arg[nargs++] = n;
2845 n = -1;
2846 }
2847 else if (IS_CONTROL (ch))
2848 process_nonprinting (ch);
2849
2850 prev_ch = ch;
2851 ch = cmd_getc ();
2852 }
2853
2854 if (ch > CSI_7F)
2855 return;
2856
2857 if (nargs < ESC_ARGS)
2858 arg[nargs++] = n;
2859
2860 i = ch - CSI_ICH;
2861 ndef = get_byte_array_bit (csi_defaults, i);
2862 for (p = 0; p < nargs; p++)
2863 if (arg[p] == -1)
2864 arg[p] = ndef;
2865
2866 /*
2867 * private mode handling
2868 */
2869 if (priv)
2870 {
2871 switch (priv)
2872 {
2873 case '>':
2874 if (ch == CSI_DA) /* secondary device attributes */
2875 {
2876 // first parameter is normally 0 for vt100, 1 for vt220, 'R' for rxvt,
2877 // 'U' for rxvt-unicode != 7.[34] (where it was broken).
2878 //
2879 // second parameter is xterm patch level for xterm, MMmmpp (e.g. 20703) for rxvt
2880 // and Mm (e.g. 72 for 7.2) for urxvt <= 7.2, 94 for urxvt <= 8.3, and 95 for later
2881 // versions.
2882 //
2883 tt_printf ("\033[>%d;95;0c", 'U');
2884 }
2885 break;
2886
2887 case '?':
2888 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2889 process_terminal_mode (ch, priv, nargs, arg);
2890 if (prev_ch == '$' && ch == 'p')
2891 process_terminal_mode (ch, priv, nargs, arg);
2892 break;
2893
2894 case '!':
2895 if (ch == CSI_70)
2896 {
2897 /* DECSTR: soft terminal reset, used by our terminfo since 9.06 */
2898 scr_soft_reset ();
2899
2900 static const int pm_h[] = { 7, 25 };
2901 static const int pm_l[] = { 1, 3, 4, 5, 6, 9, 66, 1000, 1001, 1005, 1006, 1015, 1049 };
2902
2903 process_terminal_mode ('h', 0, ecb_array_length (pm_h), pm_h);
2904 process_terminal_mode ('l', 0, ecb_array_length (pm_l), pm_l);
2905 }
2906 break;
2907 }
2908
2909 return;
2910 }
2911
2912 switch (ch)
2913 {
2914 /*
2915 * ISO/IEC 6429:1992 (E) CSI sequences (defaults in parentheses)
2916 */
2917#ifdef PRINTPIPE
2918 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2919 switch (arg[0])
2920 {
2921 case 0: /* initiate transfer to primary aux device */
2922 scr_printscreen (0);
2923 break;
2924 case 5: /* start relay to primary aux device */
2925 process_print_pipe ();
2926 break;
2927 }
2928 break;
2929#endif
2930
2931 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2932 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2933 arg[0] = -arg[0];
2934 /* FALLTHROUGH */
2935 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2936 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2937 scr_gotorc (arg[0], 0, RELATIVE);
2938 break;
2939
2940 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2941 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2942#ifdef ISO6429
2943 arg[0] = -arg[0];
2944#else /* emulate common DEC VTs */
2945 arg[0] = arg[0] ? -arg[0] : -1;
2946#endif
2947 /* FALLTHROUGH */
2948 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2949 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2950#ifdef ISO6429
2951 scr_gotorc (0, arg[0], RELATIVE);
2952#else /* emulate common DEC VTs */
2953 scr_gotorc (0, arg[0] ? arg[0] : 1, RELATIVE);
2954#endif
2955 break;
2956
2957 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2958 arg[0] = -arg[0];
2959 /* FALLTHROUGH */
2960 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2961 scr_gotorc (arg[0], 0, R_RELATIVE);
2962 break;
2963
2964 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2965 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2966 scr_gotorc (0, arg[0] - 1, R_RELATIVE);
2967 break;
2968
2969 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2970 scr_gotorc (arg[0] - 1, 0, C_RELATIVE);
2971 break;
2972
2973 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2974 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2975 scr_gotorc (arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2976 break;
2977
2978 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2979 arg[0] = -arg[0];
2980 /* FALLTHROUGH */
2981 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2982 scr_tab (arg[0]);
2983 break;
2984
2985 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2986 scr_erase_screen (arg[0]);
2987 break;
2988
2989 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2990 scr_erase_line (arg[0]);
2991 break;
2992
2993 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2994 scr_insdel_chars (arg[0], INSERT);
2995 break;
2996
2997 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2998 scr_insdel_lines (arg[0], INSERT);
2999 break;
3000
3001 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
3002 scr_insdel_lines (arg[0], DELETE);
3003 break;
3004
3005 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
3006 scr_insdel_chars (arg[0], ERASE);
3007 break;
3008
3009 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
3010 scr_insdel_chars (arg[0], DELETE);
3011 break;
3012
3013 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
3014 arg[0] = -arg[0];
3015 /* FALLTHROUGH */
3016 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
3017 scr_scroll_text (screen.tscroll, screen.bscroll, arg[0]);
3018 break;
3019
3020 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
3021 tt_write (VT100_ANS, sizeof (VT100_ANS) - 1);
3022 break;
3023
3024 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
3025 process_sgr_mode (nargs, arg);
3026 break;
3027
3028 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
3029 switch (arg[0])
3030 {
3031 case 5: /* DSR requested */
3032 tt_printf ("\033[0n");
3033 break;
3034 case 6: /* CPR requested */
3035 scr_report_position ();
3036 break;
3037 case 7: /* unofficial extension */
3038 if (option (Opt_insecure))
3039 tt_printf ("%-.250s\012", rs[Rs_display_name]);
3040 break;
3041 case 8: /* unofficial extension */
3042 {
3043 string_term st;
3044 st.v[0] = CHAR_ST;
3045 st.v[1] = '\0';
3046 process_xterm_seq (XTerm_title, (char *)RESNAME "-" VERSION, st); // char * cast verified
3047 break;
3048 }
3049 }
3050 break;
3051
3052 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
3053 switch (arg[0])
3054 {
3055 case 0: /* char tab stop cleared at active position */
3056 scr_set_tab (0);
3057 break;
3058 /* case 1: */ /* line tab stop cleared in active line */
3059 /* case 2: */ /* char tab stops cleared in active line */
3060 case 3: /* all char tab stops are cleared */
3061 /* case 4: */ /* all line tab stops are cleared */
3062 case 5: /* all tab stops are cleared */
3063 scr_set_tab (-1);
3064 break;
3065 }
3066 break;
3067
3068 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
3069 switch (arg[0])
3070 {
3071 case 0: /* char tab stop set at active position */
3072 scr_set_tab (1);
3073 break; /* = ESC H */
3074 /* case 1: */ /* line tab stop set at active line */
3075 case 2: /* char tab stop cleared at active position */
3076 scr_set_tab (0);
3077 break; /* = ESC [ 0 g */
3078 /* case 3: */ /* line tab stop cleared at active line */
3079 /* case 4: */ /* char tab stops cleared at active line */
3080 case 5: /* all char tab stops are cleared */
3081 scr_set_tab (-1);
3082 break; /* = ESC [ 3 g */
3083 /* case 6: */ /* all line tab stops are cleared */
3084 }
3085 break;
3086
3087 case CSI_RM: /* 8.3.107: RESET MODE */
3088 if (arg[0] == 4)
3089 scr_insert_mode (0);
3090 else if (arg[0] == 20)
3091 priv_modes &= ~PrivMode_LFNL;
3092 break;
3093
3094 case CSI_SM: /* 8.3.126: SET MODE */
3095 if (arg[0] == 4)
3096 scr_insert_mode (1);
3097 else if (arg[0] == 20)
3098 priv_modes |= PrivMode_LFNL;
3099 break;
3100
3101 case CSI_71: // DECSCUSR: set cursor style
3102 if (prev_ch == ' ')
3103 set_cursor_style (arg[0]);
3104 break;
3105
3106 /*
3107 * PRIVATE USE beyond this point. All CSI_7? sequences here
3108 */
3109 case CSI_72: /* DECSTBM: set top and bottom margins */
3110 if (nargs == 1)
3111 scr_scroll_region (arg[0] - 1, MAX_ROWS - 1);
3112 else if (nargs == 0 || arg[0] >= arg[1])
3113 scr_scroll_region (0, MAX_ROWS - 1);
3114 else
3115 scr_scroll_region (arg[0] - 1, arg[1] - 1);
3116 break;
3117
3118 case CSI_73:
3119 scr_cursor (SAVE);
3120 break;
3121 case CSI_75:
3122 scr_cursor (RESTORE);
3123 break;
3124
3125#if !ENABLE_MINIMAL
3126 case CSI_74:
3127 process_window_ops (arg, nargs);
3128 break;
3129#endif
3130
3131 case CSI_78: /* DECREQTPARM */
3132 if (arg[0] == 0 || arg[0] == 1)
3133 tt_printf ("\033[%d;1;1;128;128;1;0x", arg[0] + 2);
3134 break;
3135
3136 default:
3137 break;
3138 }
3139}
3140/*}}} */
3141
3142#if !ENABLE_MINIMAL
2423void 3143void
2424rxvt_process_csi_seq(pR)
2425{
2426 unsigned char ch, priv, i;
2427 unsigned int nargs, p;
2428 int n, ndef;
2429 int arg[ESC_ARGS];
2430
2431 for (nargs = ESC_ARGS; nargs > 0;)
2432 arg[--nargs] = 0;
2433
2434 priv = 0;
2435 ch = rxvt_cmd_getc(aR);
2436 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2437 priv = ch;
2438 ch = rxvt_cmd_getc(aR);
2439 }
2440/* read any numerical arguments */
2441 for (n = -1; ch < CSI_ICH; ) {
2442 if (isdigit(ch)) {
2443 if (n < 0)
2444 n = ch - '0';
2445 else
2446 n = n * 10 + ch - '0';
2447 } else if (ch == ';') {
2448 if (nargs < ESC_ARGS)
2449 arg[nargs++] = n;
2450 n = -1;
2451 } else if (ch == '\b') {
2452 rxvt_scr_backspace(aR);
2453 } else if (ch == C0_ESC) {
2454 rxvt_process_escape_seq(aR);
2455 return;
2456 } else if (ch < ' ') {
2457 rxvt_process_nonprinting(aR_ ch);
2458 }
2459 ch = rxvt_cmd_getc(aR);
2460 }
2461
2462 if (ch > CSI_7F)
2463 return;
2464
2465 if (nargs < ESC_ARGS)
2466 arg[nargs++] = n;
2467
2468 i = ch - CSI_ICH;
2469 ndef = get_byte_array_bit(csi_defaults, i);
2470 for (p = 0; p < nargs; p++)
2471 if (arg[p] == -1)
2472 arg[p] = ndef;
2473
2474#ifdef DEBUG_CMD
2475 fprintf(stderr, "CSI ");
2476 for (p = 0; p < nargs; p++)
2477 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2478 fprintf(stderr, "%c\n", ch);
2479#endif
2480
2481/*
2482 * private mode handling
2483 */
2484 if (priv) {
2485 switch (priv) {
2486 case '>':
2487 if (ch == CSI_DA) /* secondary device attributes */
2488 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2489 break;
2490 case '?':
2491 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2492 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2493 break;
2494 }
2495 return;
2496 }
2497
2498 switch (ch) {
2499/*
2500 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2501 */
2502#ifdef PRINTPIPE
2503 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2504 switch (arg[0]) {
2505 case 0: /* initiate transfer to primary aux device */
2506 rxvt_scr_printscreen(aR_ 0);
2507 break;
2508 case 5: /* start relay to primary aux device */
2509 rxvt_process_print_pipe(aR);
2510 break;
2511 }
2512 break;
2513#endif
2514
2515 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2516 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2517 arg[0] = -arg[0];
2518 /* FALLTHROUGH */
2519 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2520 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2521 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2522 break;
2523
2524 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2525 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2526#ifdef ISO6429
2527 arg[0] = -arg[0];
2528#else /* emulate common DEC VTs */
2529 arg[0] = arg[0] ? -arg[0] : -1;
2530#endif
2531 /* FALLTHROUGH */
2532 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2533 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2534#ifdef ISO6429
2535 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2536#else /* emulate common DEC VTs */
2537 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2538#endif
2539 break;
2540
2541 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2542 arg[0] = -arg[0];
2543 /* FALLTHROUGH */
2544 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2545 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2546 break;
2547
2548 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2549 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2550 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2551 break;
2552
2553 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2554 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2555 break;
2556
2557 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2558 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2559 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2560 break;
2561
2562 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2563 arg[0] = -arg[0];
2564 /* FALLTHROUGH */
2565 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2566 rxvt_scr_tab(aR_ arg[0]);
2567 break;
2568
2569 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2570 rxvt_scr_erase_screen(aR_ arg[0]);
2571 break;
2572
2573 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2574 rxvt_scr_erase_line(aR_ arg[0]);
2575 break;
2576
2577 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2578 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2579 break;
2580
2581 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2582 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2583 break;
2584
2585 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2586 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2587 break;
2588
2589 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2590 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2591 break;
2592
2593 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2594 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2595 break;
2596
2597 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2598 arg[0] = -arg[0];
2599 /* FALLTHROUGH */
2600 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2601 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2602 break;
2603
2604 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2605 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2606 (unsigned int)(sizeof(VT100_ANS) - 1));
2607 break;
2608
2609 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2610 rxvt_process_sgr_mode(aR_ nargs, arg);
2611 break;
2612
2613 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2614 switch (arg[0]) {
2615 case 5: /* DSR requested */
2616 rxvt_tt_printf(aR_ "\033[0n");
2617 break;
2618 case 6: /* CPR requested */
2619 rxvt_scr_report_position(aR);
2620 break;
2621#if defined (ENABLE_DISPLAY_ANSWER)
2622 case 7: /* unofficial extension */
2623 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]);
2624 break;
2625#endif
2626 case 8: /* unofficial extension */
2627 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2628 break;
2629 }
2630 break;
2631
2632 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2633 switch (arg[0]) {
2634 case 0: /* char tab stop cleared at active position */
2635 rxvt_scr_set_tab(aR_ 0);
2636 break;
2637 /* case 1: */ /* line tab stop cleared in active line */
2638 /* case 2: */ /* char tab stops cleared in active line */
2639 case 3: /* all char tab stops are cleared */
2640 /* case 4: */ /* all line tab stops are cleared */
2641 case 5: /* all tab stops are cleared */
2642 rxvt_scr_set_tab(aR_ -1);
2643 break;
2644 }
2645 break;
2646
2647 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2648 switch (arg[0]) {
2649 case 0: /* char tab stop set at active position */
2650 rxvt_scr_set_tab(aR_ 1);
2651 break; /* = ESC H */
2652 /* case 1: */ /* line tab stop set at active line */
2653 case 2: /* char tab stop cleared at active position */
2654 rxvt_scr_set_tab(aR_ 0);
2655 break; /* = ESC [ 0 g */
2656 /* case 3: */ /* line tab stop cleared at active line */
2657 /* case 4: */ /* char tab stops cleared at active line */
2658 case 5: /* all char tab stops are cleared */
2659 rxvt_scr_set_tab(aR_ -1);
2660 break; /* = ESC [ 3 g */
2661 /* case 6: */ /* all line tab stops are cleared */
2662 }
2663 break;
2664
2665 case CSI_RM: /* 8.3.107: RESET MODE */
2666 if (arg[0] == 4)
2667 rxvt_scr_insert_mode(aR_ 0);
2668 break;
2669
2670 case CSI_SM: /* 8.3.126: SET MODE */
2671 if (arg[0] == 4)
2672 rxvt_scr_insert_mode(aR_ 1);
2673 break;
2674
2675/*
2676 * PRIVATE USE beyond this point. All CSI_7? sequences here
2677 */
2678 case CSI_72: /* DECSTBM: set top and bottom margins */
2679 if (nargs == 1)
2680 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2681 else if (nargs == 0 || arg[0] >= arg[1])
2682 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2683 else
2684 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2685 break;
2686
2687 case CSI_73:
2688 rxvt_scr_cursor(aR_ SAVE);
2689 break;
2690 case CSI_75:
2691 rxvt_scr_cursor(aR_ RESTORE);
2692 break;
2693
2694#ifndef NO_FRILLS
2695 case CSI_74:
2696 rxvt_process_window_ops(aR_ arg, nargs);
2697 break;
2698#endif
2699
2700 case CSI_78: /* DECREQTPARM */
2701 if (arg[0] == 0 || arg[0] == 1)
2702 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2703 /* FALLTHROUGH */
2704
2705 default:
2706 break;
2707 }
2708}
2709/*}}} */
2710
2711#ifndef NO_FRILLS
2712/* ARGSUSED */
2713/* INTPROTO */
2714void
2715rxvt_process_window_ops(pR_ const int *args, unsigned int nargs) 3144rxvt_term::process_window_ops (const int *args, unsigned int nargs)
2716{ 3145{
2717 int x, y; 3146 int x, y;
2718#if 0
2719 char *s;
2720#endif
2721 XWindowAttributes wattr; 3147 XWindowAttributes wattr;
2722 Window wdummy; 3148 Window wdummy;
2723 3149
3150 dLocal (Display *, dpy);
3151
2724 if (nargs == 0) 3152 if (nargs == 0)
2725 return; 3153 return;
3154
2726 switch (args[0]) { 3155 switch (args[0])
3156 {
2727 /* 3157 /*
2728 * commands 3158 * commands
2729 */ 3159 */
2730 case 1: /* deiconify window */ 3160 case 1: /* deiconify window */
2731 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 3161 XMapWindow (dpy, parent);
2732 break; 3162 break;
2733 case 2: /* iconify window */ 3163 case 2: /* iconify window */
2734 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0], 3164 XIconifyWindow (dpy, parent, display->screen);
2735 DefaultScreen(R->Xdisplay)); 3165 break;
2736 break;
2737 case 3: /* set position (pixels) */ 3166 case 3: /* set position (pixels) */
2738 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]); 3167 XMoveWindow (dpy, parent, args[1], args[2]);
2739 break; 3168 break;
2740 case 4: /* set size (pixels) */ 3169 case 4: /* set size (pixels) */
2741 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]); 3170 set_widthheight ((unsigned int)args[2], (unsigned int)args[1]);
2742 break; 3171 break;
2743 case 5: /* raise window */ 3172 case 5: /* raise window */
2744 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]); 3173 XRaiseWindow (dpy, parent);
2745 break; 3174 break;
2746 case 6: /* lower window */ 3175 case 6: /* lower window */
2747 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]); 3176 XLowerWindow (dpy, parent);
2748 break; 3177 break;
2749 case 7: /* refresh window */ 3178 case 7: /* refresh window */
2750 rxvt_scr_touch(aR_ True); 3179 scr_touch (true);
2751 break; 3180 break;
2752 case 8: /* set size (chars) */ 3181 case 8: /* set size (chars) */
2753 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth), 3182 set_widthheight ((unsigned int) (args[2] * fwidth),
2754 (unsigned int)(args[1] * R->TermWin.fheight)); 3183 (unsigned int) (args[1] * fheight));
2755 break; 3184 break;
3185
3186 //case 9: NYI, TODO, restore maximized window or maximize window
2756 default: 3187 default:
2757 if (args[0] >= 24) /* set height (chars) */ 3188 if (args[0] >= 24) /* set height (chars) */
2758 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width, 3189 set_widthheight ((unsigned int)vt_width,
2759 (unsigned int)(args[1] * R->TermWin.fheight)); 3190 (unsigned int) (args[1] * fheight));
2760 break; 3191 break;
3192
2761 /* 3193 /*
2762 * reports - some output format copied from XTerm 3194 * reports - some output format copied from XTerm
2763 */ 3195 */
2764 case 11: /* report window state */ 3196 case 11: /* report window state */
2765 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3197 XGetWindowAttributes (dpy, parent, &wattr);
2766 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2); 3198 tt_printf ("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2767 break; 3199 break;
2768 case 13: /* report window position */ 3200 case 13: /* report window position */
2769 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3201 XGetWindowAttributes (dpy, parent, &wattr);
2770 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root, 3202 XTranslateCoordinates (dpy, parent, wattr.root,
2771 -wattr.border_width, -wattr.border_width, 3203 -wattr.border_width, -wattr.border_width,
2772 &x, &y, &wdummy); 3204 &x, &y, &wdummy);
2773 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y); 3205 tt_printf ("\033[3;%d;%dt", x, y);
2774 break; 3206 break;
2775 case 14: /* report window size (pixels) */ 3207 case 14: /* report window size (pixels) */
2776 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3208 XGetWindowAttributes (dpy, parent, &wattr);
2777 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width); 3209 tt_printf ("\033[4;%d;%dt", wattr.height, wattr.width);
2778 break; 3210 break;
3211 case 18: /* report text area size (chars) */
3212 tt_printf ("\033[8;%d;%dt", nrow, ncol);
3213 break;
2779 case 18: /* report window size (chars) */ 3214 case 19: /* report window size (chars) */
2780 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol); 3215 tt_printf ("\033[9;%d;%dt", nrow, ncol);
2781 break; 3216 break;
2782#if 0 /* XXX: currently disabled due to security concerns */
2783 case 20: /* report icon label */ 3217 case 20: /* report icon label */
2784 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s); 3218 {
2785 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */ 3219 char *s;
2786 break; 3220 XGetIconName (dpy, parent, &s);
3221 tt_printf ("\033]L%-.250s\234", option (Opt_insecure) && s ? s : ""); /* 8bit ST */
3222 XFree (s);
3223 }
3224 break;
2787 case 21: /* report window title */ 3225 case 21: /* report window title */
2788 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s); 3226 {
2789 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */ 3227 char *s;
2790 break; 3228 XFetchName (dpy, parent, &s);
2791#endif 3229 tt_printf ("\033]l%-.250s\234", option (Opt_insecure) && s ? s : ""); /* 8bit ST */
3230 XFree (s);
3231 }
3232 break;
2792 } 3233 }
2793} 3234}
2794#endif 3235#endif
2795 3236
2796/*----------------------------------------------------------------------*/ 3237/*----------------------------------------------------------------------*/
2797/* 3238/*
2798 * get input up until STRING TERMINATOR (or BEL) 3239 * get input up until STRING TERMINATOR (or BEL)
2799 * ends_how is terminator used. returned input must be free()d 3240 * ends_how is terminator used. returned input must be free()'d
2800 */ 3241 */
2801/* INTPROTO */ 3242char *
2802unsigned char * 3243rxvt_term::get_to_st (string_term &st)
2803rxvt_get_to_st(pR_ unsigned char *ends_how)
2804{ 3244{
2805 int seen_esc = 0; /* seen escape? */ 3245 unicode_t ch;
3246 bool seen_esc = false;
2806 unsigned int n = 0; 3247 unsigned int n = 0;
2807 unsigned char *s; 3248 wchar_t string[CBUFSIZ];
2808 unsigned char ch, string[STRING_MAX];
2809 3249
2810 for (; (ch = rxvt_cmd_getc(aR));) { 3250 while ((ch = cmd_getc ()) != NOCHAR)
2811 if (ch == C0_BEL 3251 {
2812 || ch == CHAR_ST 3252 if (seen_esc)
2813 || (ch == 0x5c && seen_esc)) /* 7bit ST */ 3253 {
3254 if (ch == 0x5c) /* 7bit ST */
3255 break;
3256 else
3257 return NULL;
3258 }
3259 else if (ch == C0_ESC)
3260 {
3261 seen_esc = true;
3262 continue;
3263 }
3264 else if (ch == C0_BEL || ch == CHAR_ST)
2814 break; 3265 break;
2815 if (ch == C0_ESC) { 3266 else if (ch == C0_SYN)
2816 seen_esc = 1; 3267 ch = cmd_get8 ();
2817 continue; 3268 else if (ch < 0x20)
2818 } else if (ch == '\t')
2819 ch = ' '; /* translate '\t' to space */
2820 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2821 return NULL; /* other control character - exit */ 3269 return NULL; /* other control character - exit */
3270
3271 seen_esc = false;
3272
2822 if (n < sizeof(string) - 1) 3273 if (n >= sizeof (string) - 1)
3274 // stop at some sane length
3275 return NULL;
3276
2823 string[n++] = ch; 3277 string[n++] = ch;
2824 seen_esc = 0;
2825 } 3278 }
3279
2826 string[n++] = '\0'; 3280 string[n++] = '\0';
2827 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL) 3281
2828 return NULL; 3282 n = 0;
2829 *ends_how = (ch == 0x5c ? C0_ESC : ch); 3283 if (ch == 0x5c)
2830 STRNCPY(s, string, n); 3284 st.v[n++] = C0_ESC;
2831 return s; 3285 st.v[n++] = ch;
3286 st.v[n] = '\0';
3287
3288 return rxvt_wcstombs (string);
2832} 3289}
2833 3290
2834/*----------------------------------------------------------------------*/ 3291/*----------------------------------------------------------------------*/
2835/* 3292/*
2836 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)' 3293 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2837 */ 3294 */
2838/* INTPROTO */
2839void 3295void
2840rxvt_process_dcs_seq(pR) 3296rxvt_term::process_dcs_seq ()
2841{ 3297{
2842 unsigned char eh, *s; 3298 /*
2843/*
2844 * Not handled yet 3299 * Not handled yet
2845 */ 3300 */
2846 s = rxvt_get_to_st(aR_ &eh); 3301
3302 string_term st;
3303 char *s = get_to_st (st);
2847 if (s) 3304 if (s)
2848 free(s); 3305 free (s);
3306
2849 return; 3307 return;
2850} 3308}
2851 3309
2852/*----------------------------------------------------------------------*/ 3310/*----------------------------------------------------------------------*/
2853/* 3311/*
2854 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)' 3312 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2855 */ 3313 */
2856/* INTPROTO */
2857void 3314void
2858rxvt_process_osc_seq(pR) 3315rxvt_term::process_osc_seq ()
2859{ 3316{
2860 unsigned char ch, eh, *s; 3317 int arg;
2861 int arg;
2862 3318
2863 ch = rxvt_cmd_getc(aR); 3319 unicode_t ch = cmd_getc ();
2864 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR)) 3320 for (arg = 0; isdigit (ch); ch = cmd_getc ())
2865 arg = arg * 10 + (ch - '0'); 3321 arg = arg * 10 + (ch - '0');
2866 3322
2867 if (ch == ';') { 3323 if (ch == ';')
2868 s = rxvt_get_to_st(aR_ &eh); 3324 {
2869 if (s) { 3325 string_term st;
2870 /* 3326 char *s = get_to_st (st);
2871 * rxvt_menubar_dispatch() violates the constness of the string, 3327
2872 * so do it here 3328 if (s)
2873 */ 3329 {
2874 if (arg == XTerm_Menu) 3330 process_xterm_seq (arg, s, st);
2875#if 0 /* XXX: currently disabled due to security concerns */ 3331 free (s);
2876 rxvt_menubar_dispatch(aR_ (char *)s); 3332 }
3333 }
3334}
3335
3336static unsigned int
3337colorcube_index (unsigned int idx_r,
3338 unsigned int idx_g,
3339 unsigned int idx_b)
3340{
3341 assert (idx_r < Red_levels);
3342 assert (idx_g < Green_levels);
3343 assert (idx_b < Blue_levels);
3344
3345 return idx_r * Blue_levels * Green_levels +
3346 idx_g * Blue_levels +
3347 idx_b;
3348}
3349
3350/*
3351 * Find the nearest color slot in the hidden color cube,
3352 * adapt its value to the 32bit RGBA color.
3353 */
3354unsigned int
3355rxvt_term::map_rgb24_color (unsigned int r, unsigned int g, unsigned int b, unsigned int a)
3356{
3357 r &= 0xff;
3358 g &= 0xff;
3359 b &= 0xff;
3360 a &= 0xff;
3361
3362 uint32_t color = (a << 24) | (r << 16) | (g << 8) | b;
3363
3364 /* we allow one of the 6 closest neighbouring colours */
3365 /* to replace the current color, if they not used recently */
3366 #if 0
3367 static const unsigned char dxyz[][3] = {
3368 0, 0, 0,
3369 0, 0, 4,
3370 0, 4, 4,
3371 4, 4, 0,
3372 4, 0, 4,
3373 0, 4, 0,
3374 4, 0, 0,
3375 };
2877#else 3376 #else
2878 0; 3377 // silly compressed verlapping triplets version of above
3378 static const unsigned char dxyz[] = {
3379 0, 0, 0, 4, 4, 0, 4, 0, 0,
3380 };
2879#endif 3381 #endif
3382
3383 static const unsigned char color_level[8][32] = {
3384 // neighbour index
3385 {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},
3386 {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},
3387 {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},
3388 {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},
3389 // Red_levels/Green_levels/Blue_levels index
3390 {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},
3391 {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},
3392 {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},
3393 {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},
3394 };
3395
3396 unsigned int idx;
3397
3398 for (int n = 0; n < ecb_array_length (dxyz) - 2; ++n)
3399 {
3400 unsigned int idx_r = color_level[ Red_levels - dxyz[n + 0]][r / 8];
3401 unsigned int idx_g = color_level[Green_levels - dxyz[n + 1]][g / 8];
3402 unsigned int idx_b = color_level[ Blue_levels - dxyz[n + 2]][b / 8];
3403 unsigned int index = colorcube_index (idx_r, idx_g, idx_b);
3404
3405 if (n == 0)
3406 idx = index;
3407
3408 if (rgb24_color[index] == color)
3409 {
3410 rgb24_seqno[index] = ++rgb24_sequence;
3411 return index + minTermCOLOR24;
3412 }
3413
3414 // minor issue: could update index 0 few more times
3415 if ((rgb24_seqno[index] | rgb24_color[index]) == 0)
3416 {
3417 idx = index;
3418 goto update;
3419 }
3420
3421 // like (rgb24_seqno[idx] > rgb24_seqno[index])
3422 // but also handles wrap around values well enough
3423 if ((uint16_t)(rgb24_seqno[idx] - rgb24_seqno[index]) < 0x8000)
3424 idx = index;
3425 }
3426
3427update:
3428 rgb24_color[idx] = color;
3429 rgb24_seqno[idx] = ++rgb24_sequence;
3430
3431 idx += minTermCOLOR24;
3432 pix_colors_focused [idx].free (this);
3433 pix_colors_focused [idx].set (this, rgba (r * 0x0101, g * 0x0101, b * 0x0101, a * 0x0101));
3434 update_fade_color (idx, false);
3435
3436 return idx;
3437}
3438
3439void
3440rxvt_term::process_color_seq (int report, int color, const char *str, string_term &st)
3441{
3442 if (str[0] == '?' && !str[1])
3443 {
3444 rgba c;
3445 pix_colors_focused[color].get (c);
3446 char rgba_str[32];
3447
3448#if XFT
3449 if (c.a != rgba::MAX_CC)
3450 snprintf (rgba_str, sizeof (rgba_str), "rgba:%04x/%04x/%04x/%04x", c.r, c.g, c.b, c.a);
2880 else 3451 else
2881 rxvt_xterm_seq(aR_ arg, (char *)s, eh); 3452#endif
2882 free(s); 3453 snprintf (rgba_str, sizeof (rgba_str), "rgb:%04x/%04x/%04x", c.r, c.g, c.b);
2883 } 3454
3455 if (IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
3456 tt_printf ("\033]%d;%d;%s%s", report, color - minCOLOR, rgba_str, st.v);
3457 else
3458 tt_printf ("\033]%d;%s%s", report, rgba_str, st.v);
2884 } 3459 }
3460 else
3461 set_window_color (color, str);
2885} 3462}
3463
2886/* 3464/*
2887 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL) 3465 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2888 * 0 = change iconName/title
2889 * 1 = change iconName
2890 * 2 = change title
2891 * 4 = change color
2892 * 12 = change text color
2893 * 13 = change mouse foreground color
2894 * 17 = change highlight character colour
2895 * 18 = change bold character color
2896 * 19 = change underlined character color
2897 * 46 = change logfile (not implemented)
2898 * 50 = change font
2899 *
2900 * rxvt extensions:
2901 * 10 = menu (may change in future)
2902 * 20 = bg pixmap
2903 * 39 = change default fg color
2904 * 49 = change default bg color
2905 * 55 = dump scrollback buffer and all of screen
2906 */ 3466 */
2907/* EXTPROTO */
2908void 3467void
2909rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused))) 3468rxvt_term::process_xterm_seq (int op, char *str, string_term &st)
2910{ 3469{
2911 int changed = 0; 3470 int color;
2912 int color;
2913 char *buf, *name; 3471 char *buf, *name;
3472 bool query = str[0] == '?' && !str[1];
3473 int saveop = op;
2914 3474
3475 dLocal (Display *, dpy);
3476
2915 assert(str != NULL); 3477 assert (str != NULL);
3478
3479 if (HOOK_INVOKE ((this, HOOK_OSC_SEQ, DT_INT, op, DT_STR, str, DT_END)))
3480 return;
3481
2916 switch (op) { 3482 switch (op)
3483 {
2917 case XTerm_name: 3484 case XTerm_name:
2918 rxvt_set_title(aR_ str); 3485 set_title (str);
2919 /* FALLTHROUGH */ 3486 /* FALLTHROUGH */
2920 case XTerm_iconName: 3487 case XTerm_iconName:
2921 rxvt_set_iconName(aR_ str); 3488 set_icon_name (str);
2922 break; 3489 break;
2923 case XTerm_title: 3490 case XTerm_title:
2924 rxvt_set_title(aR_ str); 3491 set_title (str);
2925 break; 3492 break;
3493 case XTerm_property:
3494 if (str[0] == '?')
3495 {
3496 Atom prop = display->atom (str + 1);
3497 Atom actual_type;
3498 int actual_format;
3499 unsigned long nitems;
3500 unsigned long bytes_after;
3501 unsigned char *value = 0;
3502 const char *str = "";
3503
3504 if (prop
3505 && XGetWindowProperty (dpy, parent,
3506 prop, 0, 1<<16, 0, AnyPropertyType,
3507 &actual_type, &actual_format,
3508 &nitems, &bytes_after, &value) == Success
3509 && actual_type != None
3510 && actual_format == 8)
3511 str = (const char *)(value);
3512
3513 tt_printf ("\033]%d;%s%s", op, option (Opt_insecure) ? str : "", st.v);
3514
3515 XFree (value);
3516 }
3517 else
3518 {
3519 char *eq = strchr (str, '=');
3520
3521 if (eq)
3522 {
3523 *eq = 0;
3524 set_utf8_property (display->atom (str), eq + 1);
3525 }
3526 else
3527 XDeleteProperty (dpy, parent,
3528 display->atom (str));
3529 }
3530 break;
3531
2926 case XTerm_Color: 3532 case XTerm_Color:
2927 for (buf = (char *)str; buf && *buf;) { 3533 for (buf = (char *)str; buf && *buf;)
3534 {
2928 if ((name = STRCHR(buf, ';')) == NULL) 3535 if ((name = strchr (buf, ';')) == NULL)
2929 break; 3536 break;
3537
2930 *name++ = '\0'; 3538 *name++ = '\0';
2931 color = atoi(buf); 3539 color = atoi (buf) + minCOLOR;
2932 if (color < 0 || color >= TOTAL_COLORS) 3540
2933 break; 3541 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
3542 break;
3543
2934 if ((buf = STRCHR(name, ';')) != NULL) 3544 if ((buf = strchr (name, ';')) != NULL)
2935 *buf++ = '\0'; 3545 *buf++ = '\0';
2936 rxvt_set_window_color(aR_ color + minCOLOR, name); 3546
2937 } 3547 process_color_seq (op, color, name, st);
2938 break; 3548 }
3549 break;
3550 case Rxvt_restoreFG:
3551 case XTerm_Color00:
3552 process_color_seq (op, Color_fg, str, st);
3553 break;
3554 case Rxvt_restoreBG:
3555 case XTerm_Color01:
3556 process_color_seq (op, Color_bg, str, st);
3557 break;
2939#ifndef NO_CURSORCOLOR 3558#ifndef NO_CURSORCOLOR
2940 case XTerm_Color_cursor: 3559 case XTerm_Color_cursor:
2941 rxvt_set_window_color(aR_ Color_cursor, str); 3560 process_color_seq (op, Color_cursor, str, st);
2942 break; 3561 break;
2943#endif 3562#endif
2944 case XTerm_Color_pointer: 3563 case XTerm_Color_pointer_fg:
2945 rxvt_set_window_color(aR_ Color_pointer, str); 3564 process_color_seq (op, Color_pointer_fg, str, st);
2946 break; 3565 break;
3566 case XTerm_Color_pointer_bg:
3567 process_color_seq (op, Color_pointer_bg, str, st);
3568 break;
3569#ifdef OPTION_HC
3570 case XTerm_Color_HC:
3571 process_color_seq (op, Color_HC, str, st);
3572 break;
3573 case XTerm_Color_HTC:
3574 process_color_seq (op, Color_HTC, str, st);
3575 break;
3576#endif
2947#ifndef NO_BOLD_UNDERLINE_REVERSE 3577#ifndef NO_BOLD_UNDERLINE_REVERSE
2948 case XTerm_Color_BD: 3578 case URxvt_Color_BD:
2949 rxvt_set_window_color(aR_ Color_BD, str); 3579 process_color_seq (op, Color_BD, str, st);
2950 break; 3580 break;
2951 case XTerm_Color_UL: 3581 case URxvt_Color_UL:
2952 rxvt_set_window_color(aR_ Color_UL, str); 3582 process_color_seq (op, Color_UL, str, st);
2953 break; 3583 break;
2954 case XTerm_Color_RV: 3584 case URxvt_Color_IT:
2955 rxvt_set_window_color(aR_ Color_RV, str); 3585 process_color_seq (op, Color_IT, str, st);
2956 break; 3586 break;
2957#endif 3587#endif
3588 case URxvt_Color_border:
3589 process_color_seq (op, Color_border, str, st);
3590 break;
2958 3591
2959 case XTerm_Menu:
2960 /*
2961 * rxvt_menubar_dispatch() violates the constness of the string,
2962 * so DON'T do it here
2963 */
2964 break;
2965 case XTerm_Pixmap:
2966 if (*str != ';') {
2967#if XPM_BACKGROUND
2968 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2969 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2970#endif
2971 rxvt_scr_touch(aR_ True);
2972 }
2973 while ((str = STRCHR(str, ';')) != NULL) {
2974 str++;
2975#if XPM_BACKGROUND
2976 changed += rxvt_scale_pixmap(aR_ str);
2977#endif
2978 }
2979 if (changed) {
2980#ifdef XPM_BACKGROUND
2981 rxvt_resize_pixmap(aR);
2982#endif
2983 rxvt_scr_touch(aR_ True);
2984 }
2985 break;
2986
2987 case XTerm_restoreFG:
2988 rxvt_set_window_color(aR_ Color_fg, str);
2989 break;
2990 case XTerm_restoreBG:
2991 rxvt_set_window_color(aR_ Color_bg, str);
2992 break;
2993 case XTerm_logfile: 3592 case XTerm_logfile:
2994 break; 3593 // TODO, when secure mode?
2995 case XTerm_font: 3594 break;
2996 rxvt_change_font(aR_ 0, str); 3595
2997 break;
2998#if 0 3596#if 0
2999 case XTerm_dumpscreen: /* no error notices */ 3597 case Rxvt_dumpscreen: /* no error notices */
3000 { 3598 {
3001 int fd; 3599 int fd;
3002 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) { 3600 if ((fd = open (str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0)
3003 rxvt_scr_dump(aR_ fd); 3601 {
3004 close(fd); 3602 scr_dump (fd);
3005 } 3603 close (fd);
3006 } 3604 }
3007 break; 3605 }
3606 break;
3607#endif
3608 case XTerm_font:
3609 op = URxvt_font;
3610 case URxvt_font:
3611#if ENABLE_STYLES
3612 case URxvt_boldFont:
3613 case URxvt_italicFont:
3614 case URxvt_boldItalicFont:
3615#endif
3616 if (query)
3617 tt_printf ("\33]%d;%-.250s%s", saveop,
3618 option (Opt_insecure) && fontset[op - URxvt_font]->fontdesc
3619 ? fontset[op - URxvt_font]->fontdesc : "",
3620 st.v);
3621 else
3622 {
3623 const char *&res = rs[Rs_font + (op - URxvt_font)];
3624
3625 res = strdup (str);
3626 allocated.push_back ((void *)res);
3627 set_fonts ();
3628 }
3629 break;
3630
3631 case URxvt_version:
3632 if (query)
3633 tt_printf ("\33]%d;rxvt-unicode;%-.20s;%c;%c%s",
3634 op,
3635 rs[Rs_name], VERSION[0], VERSION[2],
3636 st.v);
3637 break;
3638
3639#if !ENABLE_MINIMAL
3640 case URxvt_cellinfo:
3641 if (query)
3642 tt_printf ("\33]%d;%d;%d;%d%s", saveop,
3643 fwidth, fheight, fbase,
3644 st.v);
3645 break;
3646
3647 case URxvt_locale:
3648 if (query)
3649 tt_printf ("\33]%d;%-.250s%s", op, option (Opt_insecure) ? locale : "", st.v);
3650 else
3651 {
3652 set_locale (str);
3653 pty->set_utf8_mode (enc_utf8);
3654 init_xlocale ();
3655 }
3656 break;
3657
3658 case URxvt_view_up:
3659 case URxvt_view_down:
3660 {
3661 int lines = atoi (str);
3662
3663 if (lines)
3664 scr_page (op == URxvt_view_up ? UP : DN, lines);
3665 else
3666 scr_erase_savelines ();
3667 }
3668
3669 break;
3670#endif
3671
3672#if ENABLE_PERL
3673 case URxvt_perl:
3674 HOOK_INVOKE ((this, HOOK_OSC_SEQ_PERL, DT_STR, str, DT_STR, st.v, DT_END));
3675 break;
3008#endif 3676#endif
3009 } 3677 }
3010} 3678}
3011/*----------------------------------------------------------------------*/ 3679/*----------------------------------------------------------------------*/
3012 3680
… …
3018 * 's' = save 3686 * 's' = save
3019 * 'r' = restore 3687 * 'r' = restore
3020 * 't' = toggle 3688 * 't' = toggle
3021 * so no need for fancy checking 3689 * so no need for fancy checking
3022 */ 3690 */
3023/* INTPROTO */ 3691int ecb_cold
3024int
3025rxvt_privcases(pR_ int mode, unsigned long bit) 3692rxvt_term::privcases (int mode, unsigned long bit)
3026{ 3693{
3027 int state; 3694 int state;
3028 3695
3029 if (mode == 's') { 3696 if (mode == 's')
3030 R->SavedModes |= (R->PrivateModes & bit); 3697 {
3031 return -1; 3698 if (priv_modes & bit)
3699 SavedModes |= bit;
3032 } else { 3700 else
3701 SavedModes &= ~bit;
3702 return -1;
3703 }
3704 else
3705 {
3033 if (mode == 'r') 3706 if (mode == 'r')
3034 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */ 3707 state = (SavedModes & bit) ? 1 : 0; /* no overlapping */
3035 else 3708 else
3036 state = (mode == 't') ? !(R->PrivateModes & bit) : mode; 3709 state = (mode == 't') ? ! (priv_modes & bit) : mode;
3037 PrivMode(state, bit); 3710
3711 if (state)
3712 priv_modes |= bit;
3713 else
3714 priv_modes &= ~bit;
3038 } 3715 }
3716
3039 return state; 3717 return state;
3040} 3718}
3041 3719
3042/* we're not using priv _yet_ */ 3720/* we're not using priv _yet_ */
3043/* INTPROTO */
3044void 3721void
3045rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg) 3722rxvt_term::process_terminal_mode (int mode, int priv ecb_unused, unsigned int nargs, const int *arg)
3046{ 3723{
3047 unsigned int i, j; 3724 unsigned int i, j;
3048 int state; 3725 int state;
3726
3049 static const struct { 3727 static const struct
3728 {
3050 const int argval; 3729 const int argval;
3051 const unsigned long bit; 3730 const unsigned long bit;
3052 } argtopriv[] = { 3731 } argtopriv[] = {
3053 { 1, PrivMode_aplCUR }, 3732 { 1, PrivMode_aplCUR }, // DECCKM
3054 { 2, PrivMode_vt52 }, 3733 { 2, PrivMode_vt52 }, // DECANM
3055 { 3, PrivMode_132 }, 3734 { 3, PrivMode_132 }, // DECCOLM
3056 { 4, PrivMode_smoothScroll }, 3735 { 4, PrivMode_smoothScroll }, // DECSCLM
3057 { 5, PrivMode_rVideo }, 3736 { 5, PrivMode_rVideo }, // DECSCNM
3058 { 6, PrivMode_relOrigin }, 3737 { 6, PrivMode_relOrigin }, // DECOM
3059 { 7, PrivMode_Autowrap }, 3738 { 7, PrivMode_Autowrap }, // DECAWM
3060 { 9, PrivMode_MouseX10 }, 3739 // 8, auto-repeat keys // DECARM
3061#ifdef menuBar_esc 3740 { 9, PrivMode_MouseX10 },
3062 { menuBar_esc, PrivMode_menuBar }, 3741 { 12, PrivMode_BlinkingCursor },
3063#endif 3742 // 18 end FF to printer after print screen
3743 // 19 Print screen prints full screen/scroll region
3744 { 25, PrivMode_VisibleCursor }, // DECTCEM cnorm/cvvis/civis
3064#ifdef scrollBar_esc 3745#ifdef scrollBar_esc
3065 { scrollBar_esc, PrivMode_scrollBar }, 3746 { scrollBar_esc, PrivMode_scrollBar },
3066#endif 3747#endif
3067 { 25, PrivMode_VisibleCursor }, 3748 { 35, PrivMode_ShiftKeys }, // rxvt extension
3068 { 35, PrivMode_ShiftKeys }, 3749 // 38, tektronix mode // DECTEK
3069 { 40, PrivMode_132OK }, 3750 { 40, PrivMode_132OK },
3070 { 47, PrivMode_Screen }, 3751 // 41 xterm more fixes NYI
3071 { 66, PrivMode_aplKP }, 3752 // 45 margin bell NYI
3753 // 46 start logging
3754 { 47, PrivMode_Screen },
3755 { 66, PrivMode_aplKP }, // DECNKM
3072#ifndef NO_BACKSPACE_KEY 3756#ifndef NO_BACKSPACE_KEY
3073 { 67, PrivMode_BackSpace }, 3757 { 67, PrivMode_BackSpace }, // DECBKM
3074#endif 3758#endif
3075 { 1000, PrivMode_MouseX11 }, 3759 { 1000, PrivMode_MouseX11 },
3076 { 1010, PrivMode_TtyOutputInh }, 3760 { 1002, PrivMode_MouseBtnEvent },
3077 { 1011, PrivMode_Keypress }, 3761 { 1003, PrivMode_MouseAnyEvent },
3078 { 1047, PrivMode_Screen }, 3762#if ENABLE_FRILLS
3079 }; 3763 { 1004, PrivMode_FocusEvent },
3764 { 1005, PrivMode_ExtMouseUTF8 },
3765 { 1006, PrivMode_ExtMouseSGR },
3766#endif
3767 { 1010, PrivMode_TtyOutputInh }, // rxvt extension
3768 { 1011, PrivMode_Keypress }, // rxvt extension
3769#if ENABLE_FRILLS
3770 { 1015, PrivMode_ExtMouseUrxvt }, // urxvt extension of 1005
3771#endif
3772 // 1035 enable modifiers for alt, numlock NYI
3773 // 1036 send ESC for meta keys NYI
3774 // 1037 send DEL for keypad delete NYI
3775 { 1047, PrivMode_Screen },
3776 // 1048 save and restore cursor, implemented in code
3777 { 1049, PrivMode_Screen }, /* xterm extension, clear screen on ti rather than te */
3778 // 1051, 1052, 1060, 1061 keyboard emulation NYI
3779#if ENABLE_FRILLS
3780 { 2004, PrivMode_BracketPaste },
3781#endif
3782 };
3080 3783
3081 if (nargs == 0) 3784 if (nargs == 0)
3082 return; 3785 return;
3083 3786
3787 // DECRQM
3788 if (mode == 'p')
3789 {
3790 int status = 0;
3791 if (nargs != 1)
3792 return;
3793
3794 for (j = 0; j < ecb_array_length (argtopriv); j++)
3795 if (argtopriv[j].argval == arg[0])
3796 {
3797 status = (priv_modes & argtopriv[j].bit) ? 1 : 2;
3798 break;
3799 }
3800
3801 tt_printf ("\33[?%d;%d$y", arg[0], status);
3802 return;
3803 }
3804
3084/* make lo/hi boolean */ 3805 /* make lo/hi boolean */
3085 if (mode == 'l') 3806 if (mode == 'l')
3086 mode = 0; /* reset */ 3807 mode = 0; /* reset */
3087 else if (mode == 'h') 3808 else if (mode == 'h')
3088 mode = 1; /* set */ 3809 mode = 1; /* set */
3089 3810
3090 for (i = 0; i < nargs; i++) { 3811 for (i = 0; i < nargs; i++)
3812 {
3091 state = -1; 3813 state = -1;
3092 3814
3093 /* basic handling */ 3815 /* basic handling */
3094 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++) 3816 for (j = 0; j < ecb_array_length (argtopriv); j++)
3095 if (argtopriv[j].argval == arg[i]) { 3817 if (argtopriv[j].argval == arg[i])
3818 {
3096 state = rxvt_privcases(aR_ mode, argtopriv[j].bit); 3819 state = privcases (mode, argtopriv[j].bit);
3097 break; 3820 break;
3098 } 3821 }
3099 3822
3100 /* extra handling for values with state unkept */ 3823 /* extra handling for values with state unkept */
3101 if (state == -1)
3102 switch (arg[i]) { 3824 switch (arg[i])
3825 {
3826#if ENABLE_STYLES
3827 case 1021:
3828 set_option (Opt_intensityStyles, mode);
3829
3830 scr_touch (true);
3831 break;
3832#endif
3103 case 1048: /* alternative cursor save */ 3833 case 1048: /* alternative cursor save */
3104 if (mode == 0) 3834 if (option (Opt_secondaryScreen))
3105 rxvt_scr_cursor(aR_ RESTORE); 3835 if (mode == 0)
3106 else if (mode == 1) 3836 scr_cursor (RESTORE);
3107 rxvt_scr_cursor(aR_ SAVE); 3837 else if (mode == 1)
3108 /* FALLTHROUGH */ 3838 scr_cursor (SAVE);
3109 default: 3839 break;
3110 continue; /* for(;i;) */ 3840 }
3111 }
3112 3841
3842 if (state >= 0)
3113 /* extra handling for values with valid 0 or 1 state */ 3843 /* extra handling for values with valid 0 or 1 state */
3114 switch (arg[i]) { 3844 switch (arg[i])
3845 {
3115 /* case 1: - application cursor keys */ 3846 /* case 1: - application cursor keys */
3116 case 2: /* VT52 mode */ 3847 case 2: /* VT52 mode */
3117 /* oddball mode. should be set regardless of set/reset 3848 /* oddball mode. should be set regardless of set/reset
3118 * parameter. Return from VT52 mode with an ESC < from 3849 * parameter. Return from VT52 mode with an ESC < from
3119 * within VT52 mode 3850 * within VT52 mode
3120 */ 3851 */
3121 PrivMode(1, PrivMode_vt52); 3852 priv_modes |= PrivMode_vt52;
3122 break; 3853 break;
3123 case 3: /* 80/132 */ 3854 case 3: /* 80/132 */
3124 if (R->PrivateModes & PrivMode_132OK) 3855 if (priv_modes & PrivMode_132OK)
3125 rxvt_set_widthheight(aR_ 3856 set_widthheight ((state ? 132 : 80) * fwidth, 24 * fheight);
3126 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth), 3857 break;
3127 (unsigned int)R->TermWin.height);
3128 break;
3129 case 4: /* smooth scrolling */ 3858 case 4: /* smooth scrolling */
3130 if (state) 3859 set_option (Opt_jumpScroll, !state);
3131 R->Options &= ~Opt_jumpScroll; 3860 break;
3132 else
3133 R->Options |= Opt_jumpScroll;
3134 break;
3135 case 5: /* reverse video */ 3861 case 5: /* reverse video */
3136 rxvt_scr_rvideo_mode(aR_ state); 3862 scr_rvideo_mode (state);
3137 break; 3863 break;
3138 case 6: /* relative/absolute origins */ 3864 case 6: /* relative/absolute origins */
3139 rxvt_scr_relative_origin(aR_ state); 3865 scr_relative_origin (state);
3140 break; 3866 break;
3141 case 7: /* autowrap */ 3867 case 7: /* autowrap */
3142 rxvt_scr_autowrap(aR_ state); 3868 scr_autowrap (state);
3143 break; 3869 break;
3144 /* case 8: - auto repeat, can't do on a per window basis */ 3870 /* case 8: - auto repeat, can't do on a per window basis */
3145 case 9: /* X10 mouse reporting */ 3871 case 9: /* X10 mouse reporting */
3146 if (state) /* orthogonal */ 3872 if (state) /* orthogonal */
3147 R->PrivateModes &= ~(PrivMode_MouseX11); 3873 priv_modes &= ~(PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3148 break; 3874 break;
3149#ifdef menuBar_esc
3150 case menuBar_esc:
3151#ifdef MENUBAR
3152 rxvt_map_menuBar(aR_ state);
3153#endif
3154 break;
3155#endif
3156#ifdef scrollBar_esc 3875#ifdef scrollBar_esc
3157 case scrollBar_esc: 3876 case scrollBar_esc:
3158 if (rxvt_scrollbar_mapping(aR_ state)) { 3877 scrollBar.map (state);
3159 rxvt_resize_all_windows(aR_ 0, 0, 0); 3878 resize_all_windows (0, 0, 0);
3160 rxvt_scr_touch(aR_ True); 3879 scr_touch (true);
3161 } 3880 break;
3162 break;
3163#endif 3881#endif
3882#ifdef CURSOR_BLINK
3883 case 12:
3884 cursor_blink_reset ();
3885 break;
3886#endif
3164 case 25: /* visible/invisible cursor */ 3887 case 25: /* visible/invisible cursor */
3165 rxvt_scr_cursor_visible(aR_ state); 3888 scr_cursor_visible (state);
3166 break; 3889 break;
3167 /* case 35: - shift keys */ 3890 /* case 35: - shift keys */
3168 /* case 40: - 80 <--> 132 mode */ 3891 /* case 40: - 80 <--> 132 mode */
3169 case 47: /* secondary screen */ 3892 case 47: /* secondary screen */
3170 rxvt_scr_change_screen(aR_ state); 3893 scr_change_screen (state);
3171 break; 3894 break;
3172 /* case 66: - application key pad */ 3895 /* case 66: - application key pad */
3173 /* case 67: - backspace key */ 3896 /* case 67: - backspace key */
3174 case 1000: /* X11 mouse reporting */ 3897 case 1000: /* X11 mouse reporting */
3175 if (state) /* orthogonal */ 3898 if (state) /* orthogonal */
3176 R->PrivateModes &= ~(PrivMode_MouseX10); 3899 priv_modes &= ~(PrivMode_MouseX10|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3177 break; 3900 break;
3178#if 0 3901 case 1002:
3179 case 1001: 3902 case 1003:
3180 break; /* X11 mouse highlighting */ 3903 if (state)
3181#endif 3904 {
3905 priv_modes &= ~(PrivMode_MouseX10|PrivMode_MouseX11);
3906 priv_modes &= arg[i] == 1003 ? ~PrivMode_MouseBtnEvent : ~PrivMode_MouseAnyEvent;
3907 mouse_row = mouse_col = 0;
3908 vt_emask_mouse = PointerMotionMask;
3909 }
3910 else
3911 vt_emask_mouse = NoEventMask;
3912
3913 vt_select_input ();
3914 break;
3182 case 1010: /* scroll to bottom on TTY output inhibit */ 3915 case 1010: /* scroll to bottom on TTY output inhibit */
3183 if (state) 3916 set_option (Opt_scrollTtyOutput, !state);
3184 R->Options &= ~Opt_scrollTtyOutput; 3917 break;
3185 else
3186 R->Options |= Opt_scrollTtyOutput;
3187 break;
3188 case 1011: /* scroll to bottom on key press */ 3918 case 1011: /* scroll to bottom on key press */
3189 if (state) 3919 set_option (Opt_scrollTtyKeypress, state);
3190 R->Options |= Opt_scrollTtyKeypress; 3920 break;
3191 else
3192 R->Options &= ~Opt_scrollTtyKeypress;
3193 break;
3194 case 1047: /* secondary screen w/ clearing */ 3921 case 1047: /* secondary screen w/ clearing last */
3195 if (R->current_screen != PRIMARY) 3922 if (option (Opt_secondaryScreen))
3196 rxvt_scr_erase_screen(aR_ 2); 3923 if (!state)
3197 rxvt_scr_change_screen(aR_ state); 3924 scr_erase_screen (2);
3198 /* FALLTHROUGH */ 3925
3199 default: 3926 scr_change_screen (state);
3200 break; 3927 break;
3201 } 3928 case 1049: /* secondary screen w/ clearing first */
3929 if (option (Opt_secondaryScreen))
3930 if (state)
3931 scr_cursor (SAVE);
3932
3933 scr_change_screen (state);
3934
3935 if (option (Opt_secondaryScreen))
3936 if (state)
3937 scr_erase_screen (2);
3938 else
3939 scr_cursor (RESTORE);
3940 break;
3941 default:
3942 break;
3943 }
3202 } 3944 }
3203} 3945}
3204/*}}} */ 3946/*}}} */
3205 3947
3206/*{{{ process sgr sequences */ 3948/*{{{ process sgr sequences */
3207/* INTPROTO */ 3949void ecb_hot
3950rxvt_term::process_sgr_mode (unsigned int nargs, const int *arg)
3951{
3952 unsigned int i;
3953 short rendset;
3954 int rendstyle;
3955
3956 if (nargs == 0)
3957 {
3958 scr_rendition (0, ~RS_None);
3959 return;
3960 }
3961
3962 for (i = 0; i < nargs; i++)
3963 {
3964 rendset = -1;
3965 switch (arg[i])
3966 {
3967 case 0:
3968 rendset = 0, rendstyle = ~RS_None;
3969 break;
3970 case 1:
3971 rendset = 1, rendstyle = RS_Bold;
3972 break;
3973 //case 2: // low intensity
3974 case 3:
3975 rendset = 1, rendstyle = RS_Italic;
3976 break;
3977 case 4:
3978 rendset = 1, rendstyle = RS_Uline;
3979 break;
3980 case 5: // slowly blinking
3981 case 6: // rapidly blinking
3982 rendset = 1, rendstyle = RS_Blink;
3983 break;
3984 //case 6: // scoansi light background
3985 case 7:
3986 rendset = 1, rendstyle = RS_RVid;
3987 break;
3988 case 8:
3989 // invisible. NYI
3990 break;
3991 //case 9: // crossed out
3992 //case 10: // scoansi acs off, primary font
3993 //case 11: // scoansi acs on, first alt font
3994 //case 12: // scoansi acs on, |0x80, second alt font
3995 //...
3996 //case 19: // ninth alt font
3997 //case 20: // gothic
3998 case 21: // disable bold, faint, sometimes doubly underlined (iso 8613)
3999 rendset = 0, rendstyle = RS_Bold;
4000 break;
4001 case 22: // bold off (vt220)
4002 rendset = 0, rendstyle = RS_Bold;
4003 break;
4004 case 23: // disable italic
4005 rendset = 0, rendstyle = RS_Italic;
4006 break;
4007 case 24: // underline off (vt220)
4008 rendset = 0, rendstyle = RS_Uline;
4009 break;
4010 case 25: // blink off (vt220)
4011 rendset = 0, rendstyle = RS_Blink;
4012 break;
4013 case 26: // variable spacing (iso 8613)
4014 rendset = 0, rendstyle = RS_Blink;
4015 break;
4016 case 27: // reverse off (vt220)
4017 rendset = 0, rendstyle = RS_RVid;
4018 break;
4019 //case 28: // visible. NYI
4020 //case 29: // not crossed-out
4021 }
4022
4023 if (rendset != -1)
4024 {
4025 scr_rendition (rendset, rendstyle);
4026 continue; /* for (;i;) */
4027 }
4028
4029 switch (arg[i])
4030 {
4031 case 30:
4032 case 31: /* set fg color */
4033 case 32:
4034 case 33:
4035 case 34:
4036 case 35:
4037 case 36:
4038 case 37:
4039 scr_color ((unsigned int) (minCOLOR + (arg[i] - 30)), Color_fg);
4040 break;
4041 case 39: /* default fg */
4042 scr_color (Color_fg, Color_fg);
4043 break;
4044
4045 case 40:
4046 case 41: /* set bg color */
4047 case 42:
4048 case 43:
4049 case 44:
4050 case 45:
4051 case 46:
4052 case 47:
4053 scr_color ((unsigned int) (minCOLOR + (arg[i] - 40)), Color_bg);
4054 break;
4055 case 49: /* default bg */
4056 scr_color (Color_bg, Color_bg);
4057 break;
4058
4059 case 38: // set fg color, ISO 8613-6
4060 case 48: // set bg color, ISO 8613-6
4061 {
4062 unsigned int fgbg = arg[i] == 38 ? Color_fg : Color_bg;
4063 unsigned int idx;
4064
4065 if (nargs > i + 2 && arg[i + 1] == 5)
4066 {
4067 idx = minCOLOR + arg[i + 2];
4068 i += 2;
4069
4070 scr_color (idx, fgbg);
4071 }
4072 else if (nargs > i + 4 && arg[i + 1] == 2)
4073 {
4074 unsigned int r = arg[i + 2];
4075 unsigned int g = arg[i + 3];
4076 unsigned int b = arg[i + 4];
4077 unsigned int a = 0xff;
4078
4079 idx = map_rgb24_color (r, g, b, a);
4080
4081 i += 4;
4082
4083 scr_color (idx, fgbg);
4084 }
4085 }
4086 break;
4087
4088 //case 50: // not variable spacing
4089
4090#if !ENABLE_MINIMAL
4091 case 90:
4092 case 91: /* set bright fg color */
4093 case 92:
4094 case 93:
4095 case 94:
4096 case 95:
4097 case 96:
4098 case 97:
4099 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 90)), Color_fg);
4100 break;
4101 case 100:
4102 case 101: /* set bright bg color */
4103 case 102:
4104 case 103:
4105 case 104:
4106 case 105:
4107 case 106:
4108 case 107:
4109 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 100)), Color_bg);
4110 break;
4111#endif
4112 }
4113 }
4114}
4115
3208void 4116void
3209rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg) 4117rxvt_term::set_cursor_style (int style)
3210{ 4118{
3211 unsigned int i; 4119 if (!IN_RANGE_INC (style, 0, 6))
3212 short rendset; 4120 return;
3213 int rendstyle;
3214 4121
3215 if (nargs == 0) { 4122 if (style == 0)
3216 rxvt_scr_rendition(aR_ 0, ~RS_None); 4123 style = 1;
3217 return;
3218 }
3219 for (i = 0; i < nargs; i++) {
3220 rendset = -1;
3221 switch (arg[i]) {
3222 case 0:
3223 rendset = 0, rendstyle = ~RS_None;
3224 break;
3225 case 1:
3226 rendset = 1, rendstyle = RS_Bold;
3227 break;
3228 case 4:
3229 rendset = 1, rendstyle = RS_Uline;
3230 break;
3231 case 5:
3232 rendset = 1, rendstyle = RS_Blink;
3233 break;
3234 case 7:
3235 rendset = 1, rendstyle = RS_RVid;
3236 break;
3237 case 22:
3238 rendset = 0, rendstyle = RS_Bold;
3239 break;
3240 case 24:
3241 rendset = 0, rendstyle = RS_Uline;
3242 break;
3243 case 25:
3244 rendset = 0, rendstyle = RS_Blink;
3245 break;
3246 case 27:
3247 rendset = 0, rendstyle = RS_RVid;
3248 break;
3249 }
3250 if (rendset != -1) {
3251 rxvt_scr_rendition(aR_ rendset, rendstyle);
3252 continue; /* for(;i;) */
3253 }
3254 4124
3255 switch (arg[i]) { 4125 cursor_type = (style - 1) / 2;
3256 case 30: 4126 set_option (Opt_cursorUnderline, cursor_type == 1);
3257 case 31: /* set fg color */
3258 case 32:
3259 case 33:
3260 case 34:
3261 case 35:
3262 case 36:
3263 case 37:
3264 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3265 Color_fg);
3266 break;
3267#ifdef TTY_256COLOR
3268 case 38:
3269 if (nargs > i + 2 && arg[i + 1] == 5) {
3270 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3271 Color_fg);
3272 i += 2;
3273 }
3274 break;
3275#endif
3276 case 39: /* default fg */
3277 rxvt_scr_color(aR_ Color_fg, Color_fg);
3278 break;
3279 4127
3280 case 40: 4128#ifdef CURSOR_BLINK
3281 case 41: /* set bg color */ 4129 set_option (Opt_cursorBlink, style & 1);
3282 case 42: 4130 cursor_blink_reset ();
3283 case 43:
3284 case 44:
3285 case 45:
3286 case 46:
3287 case 47:
3288 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3289 Color_bg);
3290 break;
3291#ifdef TTY_256COLOR
3292 case 48:
3293 if (nargs > i + 2 && arg[i + 1] == 5) {
3294 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3295 Color_bg);
3296 i += 2;
3297 }
3298 break;
3299#endif 4131#endif
3300 case 49: /* default bg */
3301 rxvt_scr_color(aR_ Color_bg, Color_bg);
3302 break;
3303 4132
3304#ifndef NO_BRIGHTCOLOR 4133 want_refresh = 1;
3305 case 90:
3306 case 91: /* set bright fg color */
3307 case 92:
3308 case 93:
3309 case 94:
3310 case 95:
3311 case 96:
3312 case 97:
3313 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3314 Color_fg);
3315 break;
3316 case 100:
3317 case 101: /* set bright bg color */
3318 case 102:
3319 case 103:
3320 case 104:
3321 case 105:
3322 case 106:
3323 case 107:
3324 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3325 Color_bg);
3326 break;
3327#endif
3328 }
3329 }
3330} 4134}
3331/*}}} */ 4135/*}}} */
3332 4136
3333/*{{{ process Rob Nation's own graphics mode sequences */
3334/* INTPROTO */
3335void
3336rxvt_process_graphics(pR)
3337{
3338 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3339
3340#ifndef RXVT_GRAPHICS
3341 if (cmd == 'Q') { /* query graphics */
3342 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3343 return;
3344 }
3345/* swallow other graphics sequences until terminating ':' */
3346 do
3347 ch = rxvt_cmd_getc(aR);
3348 while (ch != ':');
3349#else
3350 unsigned int nargs;
3351 int args[NGRX_PTS];
3352 unsigned char *text = NULL;
3353
3354 if (cmd == 'Q') { /* query graphics */
3355 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3356 return;
3357 }
3358 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3359 int neg;
3360
3361 ch = rxvt_cmd_getc(aR);
3362 neg = (ch == '-');
3363 if (neg || ch == '+')
3364 ch = rxvt_cmd_getc(aR);
3365
3366 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3367 args[nargs] = args[nargs] * 10 + (ch - '0');
3368 if (neg)
3369 args[nargs] = -args[nargs];
3370
3371 nargs++;
3372 args[nargs] = 0;
3373 if (ch != ';')
3374 break;
3375 }
3376
3377 if ((cmd == 'T') && (nargs >= 5)) {
3378 int i, len = args[4];
3379
3380 text = rxvt_malloc((len + 1) * sizeof(char));
3381
3382 if (text != NULL) {
3383 for (i = 0; i < len; i++)
3384 text[i] = rxvt_cmd_getc(aR);
3385 text[len] = '\0';
3386 }
3387 }
3388 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3389#endif
3390}
3391/*}}} */
3392
3393/* ------------------------------------------------------------------------- */ 4137/* ---------------------------------------------------------------------- */
4138/* Write data to the pty as typed by the user, pasted with the mouse,
4139 * or generated by us in response to a query ESC sequence.
4140 */
3394 4141
3395/* 4142/*
3396 * Send printf() formatted output to the command. 4143 * Send printf () formatted output to the command.
3397 * Only use for small amounts of data. 4144 * Only use for small amounts of data.
3398 */ 4145 */
3399/* EXTPROTO */
3400void 4146void
3401rxvt_tt_printf(pR_ const char *fmt,...) 4147rxvt_term::tt_printf (const char *fmt,...)
3402{ 4148{
3403 va_list arg_ptr; 4149 va_list arg_ptr;
3404 unsigned char buf[256]; 4150 char buf[256];
3405 4151
3406 va_start(arg_ptr, fmt); 4152 va_start (arg_ptr, fmt);
3407 vsprintf((char *)buf, fmt, arg_ptr); 4153 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3408 va_end(arg_ptr); 4154 va_end (arg_ptr);
3409 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf)); 4155 tt_write (buf, strlen (buf));
3410} 4156}
3411 4157
3412/* ---------------------------------------------------------------------- */ 4158/* Write data to the pty as typed by the user. */
3413/* Addresses pasting large amounts of data and rxvt hang
3414 * code pinched from xterm (v_write()) and applied originally to
3415 * rxvt-2.18 - Hops
3416 * Write data to the pty as typed by the user, pasted with the mouse,
3417 * or generated by us in response to a query ESC sequence.
3418 */
3419/* EXTPROTO */
3420void 4159void
3421rxvt_tt_write(pR_ const unsigned char *d, unsigned int len) 4160rxvt_term::tt_write_user_input (const char *data, unsigned int len)
3422{ 4161{
3423#define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */ 4162 if (HOOK_INVOKE ((this, HOOK_TT_WRITE, DT_STR_LEN, data, len, DT_END)))
3424 int riten; 4163 return;
3425 unsigned int p;
3426 unsigned char *v_buffer, /* start of physical buffer */
3427 *v_bufstr, /* start of current buffer pending */
3428 *v_bufptr, /* end of current buffer pending */
3429 *v_bufend; /* end of physical buffer */
3430 4164
3431 if (R->v_bufstr == NULL && len > 0) { 4165 if (option (Opt_scrollTtyKeypress))
3432 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4166 if (view_start)
3433 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p); 4167 {
3434 v_bufend = v_buffer + p; 4168 view_start = 0;
3435 } else { 4169 want_refresh = 1;
3436 v_buffer = R->v_buffer;
3437 v_bufstr = R->v_bufstr;
3438 v_bufptr = R->v_bufptr;
3439 v_bufend = R->v_bufend;
3440 } 4170 }
3441 4171
3442 /* 4172 tt_write_ (data, len);
3443 * Append to the block we already have. Always doing this simplifies the 4173}
3444 * code, and isn't too bad, either. If this is a short block, it isn't 4174
3445 * too expensive, and if this is a long block, we won't be able to write 4175void
3446 * it all anyway. 4176rxvt_term::tt_write (const char *data, unsigned int len)
3447 */ 4177{
3448 if (len > 0) { 4178 if (HOOK_INVOKE ((this, HOOK_TT_WRITE, DT_STR_LEN, data, len, DT_END)))
3449 if (v_bufend < v_bufptr + len) { /* run out of room */ 4179 return;
3450 if (v_bufstr != v_buffer) { 4180
3451 /* there is unused space, move everything down */ 4181 tt_write_ (data, len);
3452 MEMMOVE(v_buffer, v_bufstr, 4182}
3453 (unsigned int)(v_bufptr - v_bufstr)); 4183
3454 v_bufptr -= v_bufstr - v_buffer; 4184static const unsigned int MAX_PTY_WRITE = 255; // minimum MAX_INPUT
3455 v_bufstr = v_buffer; 4185
4186void
4187rxvt_term::tt_write_ (const char *data, unsigned int len)
4188{
4189 if (pty->pty < 0)
4190 return;
4191
4192 if (v_buflen == 0)
4193 {
4194 ssize_t written = write (pty->pty, data, min (len, MAX_PTY_WRITE));
4195
4196 max_it (written, 0);
4197
4198 if (written == len)
4199 return;
4200
4201 data += written;
4202 len -= written;
3456 } 4203 }
3457 if (v_bufend < v_bufptr + len) {
3458 /* still won't fit: get more space */
3459 /* use most basic realloc because an error is not fatal. */
3460 unsigned int size = v_bufptr - v_buffer;
3461 unsigned int reallocto;
3462 4204
3463 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4205 v_buffer = (char *)rxvt_realloc (v_buffer, v_buflen + len);
3464 v_buffer = (unsigned char *)realloc(v_buffer, reallocto); 4206
3465 /* save across realloc */ 4207 memcpy (v_buffer + v_buflen, data, len);
3466 if (v_buffer) { 4208 v_buflen += len;
3467 v_bufstr = v_buffer; 4209
3468 v_bufptr = v_buffer + size; 4210 pty_ev.set (ev::READ | ev::WRITE);
3469 v_bufend = v_buffer + reallocto; 4211}
3470 } else { /* no memory: ignore entire write request */ 4212
3471 rxvt_print_error("data loss: cannot allocate buffer space"); 4213void rxvt_term::pty_write ()
3472 v_buffer = v_bufstr; /* restore clobbered pointer */ 4214{
3473 } 4215 int written = write (pty->pty, v_buffer, min (v_buflen, MAX_PTY_WRITE));
4216
4217 if (written > 0)
4218 {
4219 v_buflen -= written;
4220
4221 if (v_buflen == 0)
4222 {
4223 free (v_buffer);
4224 v_buffer = 0;
4225
4226 pty_ev.set (ev::READ);
4227 return;
4228 }
4229
4230 memmove (v_buffer, v_buffer + written, v_buflen);
3474 } 4231 }
3475 } 4232 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3476 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */ 4233 pty_ev.set (ev::READ);
3477 MEMCPY(v_bufptr, d, len);
3478 v_bufptr += len;
3479 }
3480 }
3481
3482 /*
3483 * Write out as much of the buffer as we can.
3484 * Be careful not to overflow the pty's input silo.
3485 * We are conservative here and only write a small amount at a time.
3486 *
3487 * If we can't push all the data into the pty yet, we expect write
3488 * to return a non-negative number less than the length requested
3489 * (if some data written) or -1 and set errno to EAGAIN,
3490 * EWOULDBLOCK, or EINTR (if no data written).
3491 *
3492 * (Not all systems do this, sigh, so the code is actually
3493 * a little more forgiving.)
3494 */
3495 if ((p = v_bufptr - v_bufstr) > 0) {
3496 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3497 if (riten < 0)
3498 riten = 0;
3499 v_bufstr += riten;
3500 if (v_bufstr >= v_bufptr) /* we wrote it all */
3501 v_bufstr = v_bufptr = v_buffer;
3502 }
3503 /*
3504 * If we have lots of unused memory allocated, return it
3505 */
3506 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3507 /* save pointers across realloc */
3508 unsigned int start = v_bufstr - v_buffer;
3509 unsigned int size = v_bufptr - v_buffer;
3510 unsigned int reallocto;
3511
3512 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3513 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3514 if (v_buffer) {
3515 v_bufstr = v_buffer + start;
3516 v_bufptr = v_buffer + size;
3517 v_bufend = v_buffer + reallocto;
3518 } else {
3519 /* should we print a warning if couldn't return memory? */
3520 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3521 }
3522 }
3523 R->v_buffer = v_buffer;
3524 R->v_bufstr = v_bufstr;
3525 R->v_bufptr = v_bufptr;
3526 R->v_bufend = v_bufend;
3527} 4234}
4235
3528/*----------------------- end-of-file (C source) -----------------------*/ 4236/*----------------------- end-of-file (C source) -----------------------*/
3529 4237

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines