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Comparing rxvt-unicode/src/command.C (file contents):
Revision 1.8 by pcg, Wed Nov 26 10:42:34 2003 UTC vs.
Revision 1.604 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 1.8 2003/11/26 10:42:34 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications 9 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> 10 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing 11 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu> 12 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for 13 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions. 14 * DEC "private mode" save/restore functions.
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es> 20 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x 21 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x 22 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 23 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 24 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications 25 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org> 26 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas 27 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options) 28 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org> 29 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
30 * Copyright (c) 2003-2021 Marc Lehmann <schmorp@schmorp.de>
31 * Copyright (c) 2007,2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
31 * 32 *
32 * This program is free software; you can redistribute it and/or modify 33 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by 34 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or 35 * the Free Software Foundation; either version 3 of the License, or
35 * (at your option) any later version. 36 * (at your option) any later version.
36 * 37 *
37 * This program is distributed in the hope that it will be useful, 38 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of 39 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
43 * along with this program; if not, write to the Free Software 44 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 45 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/ 46 *----------------------------------------------------------------------*/
46 47
47/*{{{ includes: */ 48/*{{{ includes: */
48#include "../config.h" /* NECESSARY */ 49#include "../config.h"
49#include "rxvt.h" /* NECESSARY */ 50#include "rxvt.h"
51#include "rxvtperl.h"
50#include "version.h" 52#include "version.h"
51#include "command.h" 53#include "command.h"
52 54
55#ifdef KEYSYM_RESOURCE
56# include "keyboard.h"
57#endif
58
59#include <signal.h>
60
61#if LINUX_YIELD_HACK
62# include <time.h>
63#endif
64
53/*----------------------------------------------------------------------*/ 65/*----------------------------------------------------------------------*/
54 66
55/*{{{ Convert the keypress event into a string */ 67#define IS_CONTROL(ch) !((ch) & 0xffffff60UL)
56/* INTPROTO */ 68
57void 69#if ENABLE_FRILLS || ISO_14755
58rxvt_lookup_key(pR_ XKeyEvent *ev) 70
71#define ISO_14755_STARTED 0x80000000UL
72#define ISO_14755_51 0x40000000UL // basic (section 5.1)
73#define ISO_14755_52 0x20000000UL // keycap (section 5.2)
74#define ISO_14755_54 0x10000000UL // code feedback (section 5.4)
75#define ISO_14755_MASK 0x0fffffffUL
76
77#if ISO_14755
78static unsigned short iso14755_symtab[] = {
79 // keysym, unicode
80 XK_Left, 0x2190,
81 XK_KP_Left, 0x2190,
82 XK_Up, 0x2191,
83 XK_KP_Up, 0x2191,
84 XK_Right, 0x2192,
85 XK_KP_Right, 0x2192,
86 XK_Down, 0x2193,
87 XK_KP_Down, 0x2193,
88 XK_Linefeed, 0x21b4,
89
90 XK_Prior, 0x21de,
91 XK_Next, 0x21df,
92 XK_Tab, 0x21e5,
93 XK_ISO_Left_Tab, 0x21e6,
94 XK_Shift_L, 0x21e7,
95 XK_Shift_R, 0x21e7,
96
97 XK_Shift_Lock, 0x21eb,
98 XK_ISO_Lock, 0x21eb,
99 XK_Caps_Lock, 0x21ec,
100 XK_Num_Lock, 0x21ed,
101 XK_ISO_Level3_Shift, 0x21ee,
102 XK_ISO_Level3_Lock, 0x21ef,
103 XK_ISO_Group_Lock, 0x21f0,
104 XK_Home, 0x21f1,
105 XK_End, 0x21f2,
106
107 XK_Execute, 0x2318,
108 XK_Begin, 0x2320,
109 XK_Delete, 0x2326,
110 XK_Clear, 0x2327,
111 XK_BackSpace, 0x232b,
112 XK_Insert, 0x2380,
113 XK_KP_Enter, 0x2386,
114 XK_Alt_L, 0x2387,
115 XK_Alt_R, 0x2387,
116 XK_Control_L, 0x2388,
117 XK_Control_R, 0x2388,
118 XK_Pause, 0x2389,
119 XK_Break, 0x238a,
120 XK_Escape, 0x238b,
121 XK_Undo, 0x238c,
122 XK_Print, 0x2399,
123 XK_Return, 0x23ce,
124
125 XK_space, 0x2423,
126
127#ifdef XK_KP_Begin
128 XK_KP_Prior, 0x21de,
129 XK_KP_Next, 0x21df,
130 XK_KP_Begin, 0x2320,
131 XK_KP_Insert, 0x2380,
132 XK_KP_Delete, 0x2326,
133 XK_KP_Space, 0x2422,
134#endif
135 0,
136};
137
138void ecb_cold
139rxvt_term::iso14755_54 (int x, int y)
59{ 140{
60 int ctrl, meta, shft, len; 141 x = Pixel2Col (x);
61 unsigned int newlen; 142 y = Pixel2Row (y);
62 KeySym keysym; 143
63#ifdef DEBUG_CMD 144 if (!IN_RANGE_EXC (x, 0, ncol)
64 static int debug_key = 1; /* accessible by a debugger only */ 145 || !IN_RANGE_EXC (y, 0, nrow))
146 return;
147
148 for (;;)
149 {
150 const line_t &l = ROW(y + view_start);
151
152 text_t t = l.t[x];
153
154 if (t != NOCHAR || !x)
155 {
156 iso14755_51 (l.t[x], l.r[x], x, y, view_start);
157 iso14755buf = ISO_14755_54;
158 break;
159 }
160
161 x--;
162 }
163}
164
165void ecb_cold
166rxvt_term::iso14755_51 (unicode_t ch, rend_t r, int x, int y, int y2)
167{
168 rxvt_fontset *fs = FONTSET (r);
169 wchar_t *chr, *alloc, ch2, **fname;
170 int len;
171
172# if ENABLE_COMBINING
173 if (IS_COMPOSE (ch))
174 {
175 len = rxvt_composite.expand (ch);
176 alloc = chr = new wchar_t[len];
177 rxvt_composite.expand (ch, chr);
178 }
179 else
65#endif 180# endif
66#ifdef USE_XIM 181 {
67 int valid_keysym; 182 ch2 = ch;
183
184 alloc = 0;
185 chr = &ch2;
186 len = 1;
187 }
188
189 char rowcol[40];
190 snprintf (rowcol, sizeof rowcol, "col %d row %d @%d", x, y, y2);
191
192 char attr[80]; // plenty
193
194 sprintf (attr, "%08x = fg %d bg %d%s%s%s%s%s%s",
195 (int)r,
196 fgcolor_of (r), bgcolor_of (r),
197 r & RS_Bold ? " bold" : "",
198 r & RS_Italic ? " italic" : "",
199 r & RS_Blink ? " blink" : "",
200 r & RS_RVid ? " rvid" : "",
201 r & RS_Uline ? " uline" : "",
202 r & RS_Careful ? " careful" : "");
203
204 int width = 0;
205 fname = rxvt_temp_buf<wchar_t *> (len);
206 for (int i = 0; i < len; i++)
207 {
208 rxvt_font *f = (*fs)[fs->find_font_idx (chr[i])];
209 fname[i] = rxvt_utf8towcs (f->name);
210 max_it (width, wcswidth (fname[i], wcslen (fname[i])));
211 }
212
213 max_it (width, strlen (attr));
214
215 if (y >= 0)
216 {
217 y = (y >= nrow - len - 5 && x < width + 2) ? 0 : -1;
218 x = 0;
219 }
220
221 scr_overlay_new (x, y, width, len * 2 + 2);
222
223 scr_overlay_set (0, 0, rowcol);
224
225 r = SET_STYLE (OVERLAY_RSTYLE, GET_STYLE (r));
226
227 for (int y = 0; y < len; y++)
228 {
229 char buf[9];
230
231 ch = *chr++;
232
233 sprintf (buf, "%8x", ch);
234 scr_overlay_set (0, y + 1, buf);
235 scr_overlay_set (9, y + 1, '=');
236# if !UNICODE_3
237 if (ch >= 0x10000)
238 ch = 0xfffd;
68#endif 239# endif
69 unsigned char *kbuf = R->kbuf; 240 scr_overlay_set (11, y + 1, ch, r);
70 241
71/* 242 if (WCWIDTH (ch) >= 2)
243 scr_overlay_set (12, y + 1, NOCHAR, r);
244 }
245
246// {
247// char buf[4+4+3+1];
248// snprintf (buf, sizeof (buf), "(%.4d|%.4d)", x, y);
249// scr_overlay_set (0, 0, buf);
250// }
251 scr_overlay_set (0, len + 1, attr);
252 for (int i = 0; i < len; i++)
253 {
254 scr_overlay_set (0, len + 2 + i, fname[i]);
255 free (fname[i]);
256 }
257
258# if ENABLE_COMBINING
259 if (alloc)
260 delete [] alloc;
261# endif
262}
263#endif
264
265void ecb_cold
266rxvt_term::commit_iso14755 ()
267{
268 wchar_t ch = iso14755buf & ISO_14755_MASK;
269
270 if (iso14755buf & ISO_14755_51)
271 {
272 char mb[MB_LEN_MAX];
273 int len;
274
275 // allow verbatim 0-bytes and control-bytes to be entered
276 if (ch >= 0x20)
277 len = wctomb (mb, ch);
278 else
279 {
280 mb[0] = ch;
281 len = 1;
282 }
283
284 if (len > 0)
285 tt_write (mb, len);
286 else
287 scr_bell ();
288 }
289
290 iso14755buf = 0;
291}
292
293static int ecb_cold
294hex_keyval (XKeyEvent &ev)
295{
296 // check whether this event corresponds to a hex digit
297 // if the modifiers had not been pressed.
298 for (int index = 0; index < 8; index++)
299 {
300 KeySym k = XLookupKeysym (&ev, index);
301
302 if (k >= XK_KP_0 && k <= XK_KP_9) return k - XK_KP_0;
303 else if (k >= XK_0 && k <= XK_9) return k - XK_0;
304 else if (k >= XK_a && k <= XK_f) return k - XK_a + 10;
305 else if (k >= XK_A && k <= XK_F) return k - XK_A + 10;
306 }
307
308 return -1;
309}
310#endif
311
312static inline KeySym ecb_cold
313translate_keypad (KeySym keysym, bool kp)
314{
315#ifdef XK_KP_Home
316 static const KeySym keypadtrans[] = {
317 XK_KP_7, // XK_KP_Home
318 XK_KP_4, // XK_KP_Left
319 XK_KP_8, // XK_KP_Up
320 XK_KP_6, // XK_KP_Right
321 XK_KP_2, // XK_KP_Down
322 XK_KP_9, // XK_KP_Prior
323 XK_KP_3, // XK_KP_Next
324 XK_KP_1, // XK_KP_End
325 XK_KP_5, // XK_KP_Begin
326 };
327
328 if (IN_RANGE_INC (keysym, XK_KP_Home, XK_KP_Begin))
329 {
330 unsigned int index = keysym - XK_KP_Home;
331 keysym = kp ? keypadtrans[index] : XK_Home + index;
332 }
333 else if (keysym == XK_KP_Insert)
334 keysym = kp ? XK_KP_0 : XK_Insert;
335# ifndef NO_DELETE_KEY
336 else if (keysym == XK_KP_Delete)
337 keysym = kp ? XK_KP_Decimal : XK_Delete;
338# endif
339#endif
340 return keysym;
341}
342
343static inline int ecb_cold
344map_function_key (KeySym keysym)
345{
346 int param = 0;
347
348 if (IN_RANGE_INC (keysym, XK_F1, XK_F35))
349 {
350 param = 11 + keysym - XK_F1;
351 if (keysym >= XK_F17)
352 param += 4;
353 else if (keysym >= XK_F15)
354 param += 3;
355 else if (keysym >= XK_F11)
356 param += 2;
357 else if (keysym >= XK_F6)
358 param += 1;
359 }
360 else
361 switch (keysym)
362 {
363 case XK_Find:
364 param = 1;
365 break;
366 case XK_Insert:
367 param = 2;
368 break;
369#ifdef DXK_Remove
370 case DXK_Remove:
371#endif
372 case XK_Execute:
373 param = 3;
374 break;
375 case XK_Select:
376 param = 4;
377 break;
378 case XK_Prior:
379 param = 5;
380 break;
381 case XK_Next:
382 param = 6;
383 break;
384 case XK_Home:
385 param = 7;
386 break;
387 case XK_End:
388 param = 8;
389 break;
390 case XK_Help:
391 param = 28;
392 break;
393 case XK_Menu:
394 param = 29;
395 break;
396 }
397 return param;
398}
399
400static inline wchar_t *
401rxvt_wcsdup (const wchar_t *str, int len)
402{
403 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
404 memcpy (r, str, len * sizeof (wchar_t));
405 r[len] = 0;
406 return r;
407}
408
409void ecb_cold
410rxvt_term::key_press (XKeyEvent &ev)
411{
412 int ctrl, meta, shft, len;
413 KeySym keysym = NoSymbol;
414 char rkbuf[KBUFSZ + 1];
415 char *kbuf = rkbuf + 1;
416
417#if ISO_14755
418 if (iso14755buf & ISO_14755_52)
419 return;
420#endif
421
422 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an 423 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad. 424 * escape sequence to toggle the Keypad.
74 * 425 *
75 * Always permit `shift' to override the current setting 426 * Always permit `shift' to override the current setting
76 */ 427 */
77 shft = (ev->state & ShiftMask); 428 shft = ev.state & ShiftMask;
78 ctrl = (ev->state & ControlMask); 429 ctrl = ev.state & ControlMask;
79 meta = (ev->state & R->ModMetaMask); 430 meta = ev.state & ModMetaMask;
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) { 431
81 R->numlock_state = (ev->state & R->ModNumLockMask); 432 kbuf[0] = 0;
82 PrivMode((!R->numlock_state), PrivMode_aplKP); 433
83 }
84#ifdef USE_XIM 434#if USE_XIM
85 if (R->Input_Context != NULL) { 435 if (Input_Context)
86 Status status_return; 436 {
437 Status status_return;
87 438
88 kbuf[0] = '\0'; 439#if 0
89#ifdef X_HAVE_UTF8_STRING 440#ifdef X_HAVE_UTF8_STRING
441 if (enc_utf8 && 0) // currently disabled, doesn't seem to work, nor is useful
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf, 442 len = Xutf8LookupString (Input_Context, &ev, kbuf,
91 KBUFSZ, &keysym, &status_return); 443 KBUFSZ, &keysym, &status_return);
444 else
445#endif
446#endif
447 {
448 wchar_t wkbuf[KBUFSZ + 1];
449
450 // the XOpenIM manpage lies about hardcoding the locale
451 // at the point of XOpenIM, so temporarily switch locales
452 if (rs[Rs_imLocale])
453 SET_LOCALE (rs[Rs_imLocale]);
454
455 // assume wchar_t == unicode or better
456 len = XwcLookupString (Input_Context, &ev, wkbuf,
457 KBUFSZ, &keysym, &status_return);
458
459 if (rs[Rs_imLocale])
460 SET_LOCALE (locale);
461
462 if (status_return == XLookupChars
463 || status_return == XLookupBoth)
464 {
465 /* make sure the user can type ctrl-@, i.e. NUL */
466 if (len == 1 && *wkbuf == 0)
467 {
468 kbuf[0] = 0;
469 len = 1;
470 }
471 else
472 {
473 wkbuf[len] = 0;
474 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
475 if (len < 0)
476 len = 0;
477 }
478 }
479 else
480 len = 0;
481 }
482 }
483 else
484#endif
485 {
486 len = XLookupString (&ev, kbuf, KBUFSZ, &keysym, &compose);
487 }
488
489 if (keysym != NoSymbol)
490 {
491 KeySym orig_keysym = keysym;
492
493 /* Shift + F1 - F10 generates F11 - F20 */
494 if (shft && keysym >= XK_F1 && keysym <= XK_F10)
495 {
496 keysym += (XK_F11 - XK_F1);
497 shft = 0; /* turn off Shift */
498 }
499
500 if (keysym >= 0xFF00 && keysym <= 0xFFFF)
501 {
502 bool kp = priv_modes & PrivMode_aplKP ? !shft : shft;
503 unsigned int newlen = 1;
504
505 if (ev.state & ModNumLockMask)
506 kp = false;
507
508 keysym = translate_keypad (keysym, kp);
509
510 switch (keysym)
511 {
512#ifndef NO_BACKSPACE_KEY
513 case XK_BackSpace:
514 if (priv_modes & PrivMode_HaveBackSpace)
515 {
516 kbuf[0] = (!! (priv_modes & PrivMode_BackSpace)
517 ^ !!ctrl) ? '\b' : '\177';
518 kbuf[1] = '\0';
519 }
520 else
521 strcpy (kbuf, rs[Rs_backspace_key]);
522 break;
523#endif
524#ifndef NO_DELETE_KEY
525 case XK_Delete:
526 strcpy (kbuf, rs[Rs_delete_key]);
527 break;
528#endif
529 case XK_Tab:
530 if (shft)
531 strcpy (kbuf, "\033[Z");
532 else
533 {
534#ifdef CTRL_TAB_MAKES_META
535 if (ctrl)
536 meta = 1;
537#endif
538#ifdef MOD4_TAB_MAKES_META
539 if (ev.state & Mod4Mask)
540 meta = 1;
541#endif
542 newlen = 0;
543 }
544 break;
545
546 case XK_Up: /* "\033[A" */
547 case XK_Down: /* "\033[B" */
548 case XK_Right: /* "\033[C" */
549 case XK_Left: /* "\033[D" */
550 strcpy (kbuf, "\033[Z");
551 kbuf[2] = "DACB"[keysym - XK_Left];
552 /* do Shift first */
553 if (shft)
554 kbuf[2] = "dacb"[keysym - XK_Left];
555 else if (ctrl)
556 {
557 kbuf[1] = 'O';
558 kbuf[2] = "dacb"[keysym - XK_Left];
559 }
560 else if (priv_modes & PrivMode_aplCUR)
561 kbuf[1] = 'O';
562 break;
563
564 case XK_KP_Enter:
565 /* allow shift to override */
566 if (kp)
567 {
568 strcpy (kbuf, "\033OM");
569 break;
570 }
571
572 /* FALLTHROUGH */
573
574 case XK_Return:
575 if (priv_modes & PrivMode_LFNL)
576 {
577 kbuf[0] = '\015';
578 kbuf[1] = '\012';
579 kbuf[2] = '\0';
580 }
581 else
582 {
583 kbuf[0] = '\015';
584 kbuf[1] = '\0';
585 }
586 break;
587
588 case XK_KP_F1: /* "\033OP" */
589 case XK_KP_F2: /* "\033OQ" */
590 case XK_KP_F3: /* "\033OR" */
591 case XK_KP_F4: /* "\033OS" */
592 strcpy (kbuf, "\033OP");
593 kbuf[2] += (keysym - XK_KP_F1);
594 break;
595
596 case XK_KP_Multiply: /* "\033Oj" : "*" */
597 case XK_KP_Add: /* "\033Ok" : "+" */
598 case XK_KP_Separator: /* "\033Ol" : "," */
599 case XK_KP_Subtract: /* "\033Om" : "-" */
600 case XK_KP_Decimal: /* "\033On" : "." */
601 case XK_KP_Divide: /* "\033Oo" : "/" */
602 case XK_KP_0: /* "\033Op" : "0" */
603 case XK_KP_1: /* "\033Oq" : "1" */
604 case XK_KP_2: /* "\033Or" : "2" */
605 case XK_KP_3: /* "\033Os" : "3" */
606 case XK_KP_4: /* "\033Ot" : "4" */
607 case XK_KP_5: /* "\033Ou" : "5" */
608 case XK_KP_6: /* "\033Ov" : "6" */
609 case XK_KP_7: /* "\033Ow" : "7" */
610 case XK_KP_8: /* "\033Ox" : "8" */
611 case XK_KP_9: /* "\033Oy" : "9" */
612 /* allow shift to override */
613 if (kp)
614 {
615 strcpy (kbuf, "\033Oj");
616 kbuf[2] += (keysym - XK_KP_Multiply);
617 }
618 else
619 {
620 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
621 kbuf[1] = '\0';
622 }
623 break;
624
625 default:
626 {
627 int param = map_function_key (keysym);
628 if (param > 0)
629 sprintf (kbuf,"\033[%d~", param);
630 else
631 newlen = 0;
632 }
633 break;
634 }
635
636 if (newlen)
637 len = strlen (kbuf);
638
639 if (len > 0)
640 {
641 /*
642 * pass Shift/Control indicators for function keys ending with `~'
643 *
644 * eg,
645 * Prior = "ESC[5~"
646 * Shift+Prior = "ESC[5$"
647 * Ctrl+Prior = "ESC[5^"
648 * Ctrl+Shift+Prior = "ESC[5@"
649 */
650 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
651 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
652
653 /*
654 * Pass meta for all function keys, if 'meta' option set
655 */
656#ifdef META8_OPTION
657 if (meta && (meta_char == 0x80))
658 kbuf[len - 1] |= 0x80;
659#endif
660 }
661
662 }
663 else if (ctrl && keysym == XK_minus)
664 {
665 len = 1;
666 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
667 }
668 else if (keysym == XK_ISO_Left_Tab)
669 {
670 strcpy (kbuf, "\033[Z");
671 len = 3;
672 }
673 else
674 {
675#ifdef META8_OPTION
676 /* set 8-bit on */
677 if (meta && (meta_char == 0x80))
678 {
679 char *ch;
680
681 for (ch = kbuf; ch < kbuf + len; ch++)
682 *ch |= 0x80;
683 }
684#endif
685 /* nil */ ;
686 }
687
688 keysym = orig_keysym;
689 }
690
691 /* escape prefix */
692 if (len && meta
693#ifdef META8_OPTION
694 && meta_char == C0_ESC
695#endif
696 )
697 {
698 *--kbuf = C0_ESC;
699 len++;
700 }
701
702 if (HOOK_INVOKE ((this, HOOK_KEY_PRESS, DT_XEVENT, &ev, DT_INT, keysym, DT_STR_LEN, kbuf, len, DT_END)))
703 return;
704
705 if (keysym != NoSymbol)
706 {
707#ifdef KEYSYM_RESOURCE
708 if (keyboard->dispatch (this, keysym, ev.state, kbuf, len))
709 return;
710#endif
711
712 if (saveLines)
713 {
714#ifdef UNSHIFTED_SCROLLKEYS
715 if (!ctrl && !meta)
92#else 716#else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf, 717 if (IS_SCROLL_MOD)
94 KBUFSZ, &keysym, &status_return);
95#endif 718#endif
96 valid_keysym = ((status_return == XLookupKeySym) 719 {
97 || (status_return == XLookupBoth)); 720 int lnsppg;
98 } else {
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
100 &R->compose);
101 valid_keysym = 1;
102 }
103#else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->compose);
106/*
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
109 */
110 if (!len) {
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
113 kbuf[1] = '\0';
114 len = 1;
115 } else
116 kbuf[0] = '\0';
117 }
118#endif /* USE_XIM */
119 721
120#ifdef USE_XIM 722#ifdef PAGING_CONTEXT_LINES
121 if (valid_keysym) 723 lnsppg = nrow - PAGING_CONTEXT_LINES;
122#endif
123 {
124/* for some backwards compatibility */
125#if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
126# ifdef HOTKEY_CTRL
127 if (ctrl) {
128# else 724#else
129 if (meta) { 725 lnsppg = nrow * 4 / 5;
726#endif
727 max_it (lnsppg, 1);
728
729 if (keysym == XK_Prior)
730 {
731 scr_page (lnsppg);
732 return;
733 }
734 else if (keysym == XK_Next)
735 {
736 scr_page (-lnsppg);
737 return;
738 }
739 }
740#ifdef SCROLL_ON_UPDOWN_KEYS
741 if (IS_SCROLL_MOD)
742 {
743 if (keysym == XK_Up)
744 {
745 scr_page (1);
746 return;
747 }
748 else if (keysym == XK_Down)
749 {
750 scr_page (-1);
751 return;
752 }
753 }
754#endif
755#ifdef SCROLL_ON_HOMEEND_KEYS
756 if (IS_SCROLL_MOD)
757 {
758 if (keysym == XK_Home)
759 {
760 scr_changeview (top_row);
761 return;
762 }
763 else if (keysym == XK_End)
764 {
765 scr_changeview (0);
766 return;
767 }
768 }
769#endif
770 }
771
772 if (shft)
773 {
774 if (!ctrl && !meta && (priv_modes & PrivMode_ShiftKeys))
775 {
776 switch (keysym)
777 {
778 /* normal XTerm key bindings */
779 case XK_Insert: /* Shift+Insert = paste mouse selection */
780 selection_request (ev.time);
781 return;
782#if TODO
783 /* rxvt extras */
784 case XK_KP_Add: /* Shift+KP_Add = bigger font */
785 return;
786 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
787 return;
788#endif
789 }
790 }
791 }
792
793 if (ctrl && meta && (keysym == XK_c || keysym == XK_v))
794 {
795 if (keysym == XK_v)
796 selection_request (ev.time, Sel_Clipboard);
797 else if (selection.len > 0)
798 {
799 free (selection.clip_text);
800 selection.clip_text = rxvt_wcsdup (selection.text, selection.len);
801 selection.clip_len = selection.len;
802 selection_grab (CurrentTime, true);
803 }
804
805 return;
806 }
807
808#if ENABLE_FRILLS || ISO_14755
809 // ISO 14755 support
810 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_51))
811 {
812 int hv;
813
814 if (iso14755buf & ISO_14755_51
815 && (keysym == XK_space || keysym == XK_KP_Space
816 || keysym == XK_Return || keysym == XK_KP_Enter))
817 {
818 commit_iso14755 ();
819 iso14755buf = ISO_14755_51;
820# if ISO_14755
821 iso14755_51 (0);
130# endif 822# endif
131 if (keysym == R->ks_bigfont) { 823 return;
132 rxvt_change_font(aR_ 0, FONT_UP); 824 }
133 return; 825 else if (keysym == XK_BackSpace)
134 } else if (keysym == R->ks_smallfont) { 826 {
135 rxvt_change_font(aR_ 0, FONT_DN); 827 iso14755buf = ((iso14755buf & ISO_14755_MASK) >> 4) | ISO_14755_51;
136 return; 828# if ISO_14755
137 } 829 iso14755_51 (iso14755buf & ISO_14755_MASK);
138 }
139#endif
140
141 if (R->TermWin.saveLines) {
142#ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
144#else
145 if (IS_SCROLL_MOD) {
146#endif
147 int lnsppg;
148
149#ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
151#else
152 lnsppg = R->TermWin.nrow * 4 / 5;
153#endif
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
156 return;
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
159 return;
160 }
161 }
162#ifdef SCROLL_ON_UPDOWN_KEYS
163 if (IS_SCROLL_MOD) {
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
166 return;
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
169 return;
170 }
171 }
172#endif
173#ifdef SCROLL_ON_HOMEEND_KEYS
174 if (IS_SCROLL_MOD) {
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
177 return;
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
180 return;
181 }
182 }
183#endif
184 }
185
186 if (shft) {
187 /* Shift + F1 - F10 generates F11 - F20 */
188 if (keysym >= XK_F1 && keysym <= XK_F10) {
189 keysym += (XK_F11 - XK_F1);
190 shft = 0; /* turn off Shift */
191 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
192 switch (keysym) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
196 return;
197 /* rxvt extras */
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
200 return;
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
203 return;
204 }
205 }
206 }
207#ifdef PRINTPIPE
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
210 return;
211 }
212#endif
213#ifdef GREEK_SUPPORT
214 if (keysym == R->ks_greekmodeswith) {
215 R->greek_mode = !R->greek_mode;
216 if (R->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
220 greek_reset();
221 } else
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
223 return;
224 }
225#endif
226
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228#ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
230 unsigned int l;
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
233
234 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239# ifdef META8_OPTION
240 if (R->meta_char == C0_ESC)
241# endif 830# endif
242 rxvt_tt_write(aR_ &ch, 1); 831 return;
243 rxvt_tt_write(aR_ kbuf0, l); 832 }
244 return; 833 else if ((hv = hex_keyval (ev)) >= 0)
245 } else 834 {
246#endif 835 iso14755buf = ((iso14755buf << 4) & ISO_14755_MASK)
247 { 836 | hv | ISO_14755_51;
248 newlen = 1; 837# if ISO_14755
249 switch (keysym) { 838 iso14755_51 (iso14755buf & ISO_14755_MASK);
250#ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->key_backspace);
258# ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
260 int col, row;
261
262 newlen = STRLEN(kbuf);
263 col = R->screen.cur.col - 1;
264 row = R->screen.cur.row + R->TermWin.saveLines;
265 if (IS_MULTI2(R->screen.rend[row][col]))
266 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
267 }
268# endif 839# endif
269 break;
270#endif
271#ifndef NO_DELETE_KEY
272 case XK_Delete:
273 STRCPY(kbuf, R->key_delete);
274# ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
276 int col, row;
277
278 newlen = STRLEN(kbuf);
279 col = R->screen.cur.col;
280 row = R->screen.cur.row + R->TermWin.saveLines;
281 if (IS_MULTI1(R->screen.rend[row][col]))
282 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
283 }
284# endif
285 break;
286#endif
287 case XK_Tab:
288 if (shft)
289 STRCPY(kbuf, "\033[Z");
290 else {
291#ifdef CTRL_TAB_MAKES_META
292 if (ctrl)
293 meta = 1;
294#endif
295#ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
297 meta = 1;
298#endif
299 newlen = 0;
300 }
301 break;
302
303
304#ifdef XK_KP_Left
305 case XK_KP_Up: /* \033Ox or standard */
306 case XK_KP_Down: /* \033Or or standard */
307 case XK_KP_Right: /* \033Ov or standard */
308 case XK_KP_Left: /* \033Ot or standard */
309 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
312 break;
313 } else
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
316 /* FALLTHROUGH */
317#endif
318 case XK_Up: /* "\033[A" */
319 case XK_Down: /* "\033[B" */
320 case XK_Right: /* "\033[C" */
321 case XK_Left: /* "\033[D" */
322 STRCPY(kbuf, "\033[Z");
323 kbuf[2] = ("DACB"[keysym - XK_Left]);
324 /* do Shift first */
325 if (shft)
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
327 else if (ctrl) {
328 kbuf[1] = 'O';
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->PrivateModes & PrivMode_aplCUR)
331 kbuf[1] = 'O';
332#ifdef MULTICHAR_SET
333 //TODO: ??
334 if (R->Options & Opt_mc_hack) {
335 int col, row, m;
336
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
339 m = 0;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
342 m = 1;
343 else if (keysym == XK_Left) {
344 if (col > 0) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
346 m = 1;
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
349 if (col == -1)
350 col = R->TermWin.ncol - 1;
351 else
352 col--;
353 if (col > 0
354 && IS_MULTI2(R->screen.rend[row][col]))
355 m = 1;
356 }
357 }
358 if (m)
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
360 }
361#endif
362 break;
363
364#ifndef UNSHIFTED_SCROLLKEYS
365# ifdef XK_KP_Prior
366 case XK_KP_Prior:
367 /* allow shift to override */
368 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
370 break;
371 }
372 /* FALLTHROUGH */
373# endif
374 case XK_Prior:
375 STRCPY(kbuf, "\033[5~");
376 break;
377# ifdef XK_KP_Next
378 case XK_KP_Next:
379 /* allow shift to override */
380 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
382 break;
383 }
384 /* FALLTHROUGH */
385# endif
386 case XK_Next:
387 STRCPY(kbuf, "\033[6~");
388 break;
389#endif
390 case XK_KP_Enter:
391 /* allow shift to override */
392 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
394 } else {
395 kbuf[0] = '\r';
396 kbuf[1] = '\0';
397 }
398 break;
399
400#ifdef XK_KP_Begin
401 case XK_KP_Begin:
402 STRCPY(kbuf, "\033Ou");
403 break;
404
405 case XK_KP_Insert:
406 STRCPY(kbuf, "\033Op");
407 break;
408
409 case XK_KP_Delete:
410 STRCPY(kbuf, "\033On");
411 break;
412#endif
413 case XK_KP_F1: /* "\033OP" */
414 case XK_KP_F2: /* "\033OQ" */
415 case XK_KP_F3: /* "\033OR" */
416 case XK_KP_F4: /* "\033OS" */
417 STRCPY(kbuf, "\033OP");
418 kbuf[2] += (keysym - XK_KP_F1);
419 break;
420
421 case XK_KP_Multiply: /* "\033Oj" : "*" */
422 case XK_KP_Add: /* "\033Ok" : "+" */
423 case XK_KP_Separator: /* "\033Ol" : "," */
424 case XK_KP_Subtract: /* "\033Om" : "-" */
425 case XK_KP_Decimal: /* "\033On" : "." */
426 case XK_KP_Divide: /* "\033Oo" : "/" */
427 case XK_KP_0: /* "\033Op" : "0" */
428 case XK_KP_1: /* "\033Oq" : "1" */
429 case XK_KP_2: /* "\033Or" : "2" */
430 case XK_KP_3: /* "\033Os" : "3" */
431 case XK_KP_4: /* "\033Ot" : "4" */
432 case XK_KP_5: /* "\033Ou" : "5" */
433 case XK_KP_6: /* "\033Ov" : "6" */
434 case XK_KP_7: /* "\033Ow" : "7" */
435 case XK_KP_8: /* "\033Ox" : "8" */
436 case XK_KP_9: /* "\033Oy" : "9" */
437 /* allow shift to override */
438 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
441 } else {
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
443 kbuf[1] = '\0';
444 }
445 break;
446
447 case XK_Find:
448 STRCPY(kbuf, "\033[1~");
449 break;
450 case XK_Insert:
451 STRCPY(kbuf, "\033[2~");
452 break;
453#ifdef DXK_Remove /* support for DEC remove like key */
454 case DXK_Remove:
455 /* FALLTHROUGH */
456#endif
457 case XK_Execute:
458 STRCPY(kbuf, "\033[3~");
459 break;
460 case XK_Select:
461 STRCPY(kbuf, "\033[4~");
462 break;
463#ifdef XK_KP_End
464 case XK_KP_End:
465 /* allow shift to override */
466 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
468 break;
469 }
470 /* FALLTHROUGH */
471#endif
472 case XK_End:
473 STRCPY(kbuf, KS_END);
474 break;
475#ifdef XK_KP_Home
476 case XK_KP_Home:
477 /* allow shift to override */
478 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
480 break;
481 }
482 /* FALLTHROUGH */
483#endif
484 case XK_Home:
485 STRCPY(kbuf, KS_HOME);
486 break;
487
488#define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
490
491 case XK_F1: /* "\033[11~" */
492 case XK_F2: /* "\033[12~" */
493 case XK_F3: /* "\033[13~" */
494 case XK_F4: /* "\033[14~" */
495 case XK_F5: /* "\033[15~" */
496 FKEY(11, XK_F1);
497 break;
498 case XK_F6: /* "\033[17~" */
499 case XK_F7: /* "\033[18~" */
500 case XK_F8: /* "\033[19~" */
501 case XK_F9: /* "\033[20~" */
502 case XK_F10: /* "\033[21~" */
503 FKEY(17, XK_F6);
504 break;
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
509 FKEY(23, XK_F11);
510 break;
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
513 FKEY(28, XK_F15);
514 break;
515 case XK_Help: /* "\033[28~" */
516 FKEY(28, XK_Help);
517 break;
518 case XK_Menu: /* "\033[29~" */
519 FKEY(29, XK_Menu);
520 break;
521 case XK_F17: /* "\033[31~" */
522 case XK_F18: /* "\033[32~" */
523 case XK_F19: /* "\033[33~" */
524 case XK_F20: /* "\033[34~" */
525 case XK_F21: /* "\033[35~" */
526 case XK_F22: /* "\033[36~" */
527 case XK_F23: /* "\033[37~" */
528 case XK_F24: /* "\033[38~" */
529 case XK_F25: /* "\033[39~" */
530 case XK_F26: /* "\033[40~" */
531 case XK_F27: /* "\033[41~" */
532 case XK_F28: /* "\033[42~" */
533 case XK_F29: /* "\033[43~" */
534 case XK_F30: /* "\033[44~" */
535 case XK_F31: /* "\033[45~" */
536 case XK_F32: /* "\033[46~" */
537 case XK_F33: /* "\033[47~" */
538 case XK_F34: /* "\033[48~" */
539 case XK_F35: /* "\033[49~" */
540 FKEY(31, XK_F17);
541 break;
542#undef FKEY
543 default:
544 newlen = 0;
545 break;
546 }
547 if (newlen)
548 len = STRLEN(kbuf);
549 }
550 /*
551 * Pass meta for all function keys, if 'meta' option set
552 */
553#ifdef META8_OPTION
554 if (meta && (R->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
556#endif
557 } else if (ctrl && keysym == XK_minus) {
558 len = 1;
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
560 } else {
561#ifdef META8_OPTION
562 /* set 8-bit on */
563 if (meta && (R->meta_char == 0x80)) {
564 unsigned char *ch;
565
566 for (ch = kbuf; ch < kbuf + len; ch++)
567 *ch |= 0x80;
568 meta = 0;
569 }
570#endif
571#ifdef GREEK_SUPPORT
572 if (R->greek_mode)
573 len = greek_xlat(kbuf, len);
574#endif
575 /* nil */ ;
576 }
577 }
578
579 if (len <= 0)
580 return; /* not mapped */
581
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->want_refresh = 1;
586 }
587
588/*
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
591 *
592 * eg,
593 * Prior = "ESC[5~"
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
598 */
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
601
602/* escape prefix */
603 if (meta
604#ifdef META8_OPTION
605 && (R->meta_char == C0_ESC)
606#endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 rxvt_tt_write(aR_ &ch, 1);
611 }
612#ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622#endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len);
624}
625/*}}} */
626
627#if (MENUBAR_MAX)
628/*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629/* attempt to `write' count to the input buffer */
630/* EXTPROTO */
631unsigned int
632rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633{
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr;
638
639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
643 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
644 cmdbuf_ptr = cmdbuf_base;
645 cmdbuf_endp -= n;
646 s += n;
647 }
648 if (count > s) {
649 rxvt_print_error("data loss: cmd_write too large");
650 count = s;
651 }
652 for (; count--;)
653 *cmdbuf_endp++ = *str++;
654 R->cmdbuf_ptr = cmdbuf_ptr;
655 R->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657}
658#endif /* MENUBAR_MAX */
659
660void
661rxvt_term::process_x_events ()
662{
663 do
664 {
665 XEvent xev;
666
667 XNextEvent (Xdisplay, &xev);
668
669#if defined(CURSOR_BLINK)
670 if ((Options & Opt_cursorBlink)
671 && xev.type == KeyPress)
672 {
673 if (hidden_cursor)
674 {
675 hidden_cursor = 0;
676 want_refresh = 1;
677 }
678
679 blink_ev.start (NOW + BLINK_INTERVAL);
680 }
681#endif
682
683#if defined(POINTER_BLANK)
684 if ((Options & Opt_pointerBlank)
685 && (pointerBlankDelay > 0))
686 {
687 if (xev.type == MotionNotify
688 || xev.type == ButtonPress
689 || xev.type == ButtonRelease)
690 if (hidden_pointer)
691 pointer_unblank ();
692
693 if (xev.type == KeyPress && hidden_pointer == 0)
694 pointer_blank ();
695 }
696#endif
697
698#ifdef USE_XIM
699 if (!XFilterEvent (&xev, xev.xany.window))
700#endif
701 rxvt_process_x_event (this, &xev);
702 }
703 while (XPending (Xdisplay));
704}
705
706void
707rxvt_term::blink_cb (time_watcher &w)
708{
709 w.at += BLINK_INTERVAL;
710 hidden_cursor = !hidden_cursor;
711 want_refresh = 1;
712 flush ();
713}
714
715void
716rxvt_term::x_cb (io_watcher &w, short revents)
717{
718 process_x_events ();
719
720 flush ();
721}
722
723// read the next character, currently handles UTF-8
724// will probably handle all sorts of other stuff in the future
725uint32_t
726rxvt_term::next_char ()
727{
728 struct mbstate &s = mbstate;
729
730 while (cmdbuf_ptr < cmdbuf_endp)
731 {
732 uint8_t ch = *cmdbuf_ptr;
733
734 if (s.cnt)
735 {
736 if ((ch & 0xc0) == 0x80)
737 {
738 cmdbuf_ptr++;
739
740 /* continuation */
741 s.reg = (s.reg << 6) | (ch & 0x7f);
742
743 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
744 return s.reg; 840 return;
745
746 continue;
747 } 841 }
748 else 842 else
749 { 843 {
750 s.cnt = 0; 844# if ISO_14755
751 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */ 845 scr_overlay_off ();
846# endif
847 iso14755buf = 0;
752 } 848 }
753 } 849 }
850 else if (option (Opt_iso14755) &&
851 ((ctrl && (keysym == XK_Shift_L || keysym == XK_Shift_R))
852 || (shft && (keysym == XK_Control_L || keysym == XK_Control_R))))
853 if (!(iso14755buf & ISO_14755_STARTED))
854 {
855 iso14755buf |= ISO_14755_STARTED;
856# if ISO_14755
857 scr_overlay_new (0, -1, sizeof ("ISO 14755 mode") - 1, 1);
858 scr_overlay_set (0, 0, "ISO 14755 mode");
859# endif
860 }
861#endif
862
863#ifdef PRINTPIPE
864 if (keysym == XK_Print)
865 {
866 scr_printscreen (ctrl | shft);
867 return;
868 }
869#endif
870 }
871
872 if (len <= 0)
873 return; /* not mapped */
874
875 tt_write_user_input (kbuf, (unsigned int)len);
876}
877
878void ecb_cold
879rxvt_term::key_release (XKeyEvent &ev)
880{
881#if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ISO_14755 || ENABLE_PERL
882 KeySym keysym;
883
884 keysym = XLookupKeysym (&ev, ev.state & ShiftMask ? 1 : 0); // sorry, only shift supported :/
885#endif
886
887#if ENABLE_FRILLS || ISO_14755
888 // ISO 14755 support
889 if (iso14755buf)
890 if (iso14755buf & ISO_14755_52)
754 891 {
755 if ((ch & 0xc0) == 0xc0) 892# if ISO_14755
893 scr_overlay_off ();
894# endif
895# if ISO_14755
896 // iso14755 part 5.2 handling: release time
897 // first: controls
898 if ((ev.state & ControlMask)
899 && ((keysym >= 0x40 && keysym <= 0x5f)
900 || (keysym >= 0x61 && keysym <= 0x7f)))
756 { 901 {
757 cmdbuf_ptr++; 902 iso14755buf = ISO_14755_51 | 0x2400 | (keysym & 0x1f);
903 commit_iso14755 ();
758 904
759 /* first byte */ 905 return;
760 s.orig = ch; /* for broken encodings */
761 s.reg = ch;
762 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
763 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
764 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
765 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
766 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
767 } 906 }
907
908 for (unsigned short *i = iso14755_symtab; i[0]; i += 2)
909 if (i[0] == keysym)
910 {
911 iso14755buf = ISO_14755_51 | i[1];
912 commit_iso14755 ();
913
914 return;
915 }
916
917 scr_bell ();
918# endif
919 iso14755buf = 0;
920
921 return;
922 }
923 else if ((ev.state & (ShiftMask | ControlMask)) != (ShiftMask | ControlMask))
924 {
925# if ISO_14755
926 scr_overlay_off ();
927# endif
928 if (iso14755buf & ISO_14755_51)
929 commit_iso14755 ();
930#if ISO_14755
931 else if (option (Opt_iso14755_52) && iso14755buf & ISO_14755_STARTED)
932 {
933 iso14755buf = ISO_14755_52; // iso14755 part 5.2: remember empty begin/end pair
934
935 scr_overlay_new (0, -1, sizeof ("KEYCAP PICTURE INSERT MODE") - 1, 1);
936 scr_overlay_set (0, 0, "KEYCAP PICTURE INSERT MODE");
937 }
938# endif
768 else 939 else
940 iso14755buf = 0;
769 { 941 }
770 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */ 942#endif
771 return ch; 943
944 if (HOOK_INVOKE ((this, HOOK_KEY_RELEASE, DT_XEVENT, &ev, DT_INT, keysym, DT_END)))
945 return;
946
947#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
948 if (!(ev.state & ControlMask))
949 slip_wheel_ev.stop ();
950 else if (keysym == XK_Control_L || keysym == XK_Control_R)
951 mouse_slip_wheel_speed = 0;
952#endif
953}
954
955void
956rxvt_term::flush ()
957{
958 flush_ev.stop ();
959
960#ifdef HAVE_IMG
961 if (bg_flags & BG_NEEDS_REFRESH)
962 {
963 bg_flags &= ~BG_NEEDS_REFRESH;
964 scr_touch (false);
965 }
966#endif
967
968 if (want_refresh)
969 {
970 if (SHOULD_INVOKE (HOOK_LINE_UPDATE))
772 } 971 {
972 int row = view_start;
973 int end_row = row + nrow;
974
975 while (row > top_row && ROW (row - 1).is_longer ())
976 --row;
977
978 do
979 {
980 int start_row = row;
981 line_t *l;
982
983 do
984 {
985 l = &ROW (row++);
986
987 if (!(l->f & LINE_FILTERED))
988 {
989 // line not filtered, mark it as filtered
990 l->f |= LINE_FILTERED;
991 while (l->is_longer ())
992 {
993 l = &ROW (row++);
994 l->f |= LINE_FILTERED;
995 }
996
997 // and filter it
998 HOOK_INVOKE ((this, HOOK_LINE_UPDATE, DT_INT, start_row, DT_END));
999
1000 break;
1001 }
1002 }
1003 while (l->is_longer () && row < end_row);
1004 }
1005 while (row < end_row);
1006 }
1007
1008 scr_refresh ();
1009 scrollBar.show (1);
1010#if USE_XIM
1011 im_send_spot ();
1012#endif
1013 }
1014
1015 display->flush ();
1016}
1017
1018/* checks whether a refresh is requested and starts the refresh timer */
1019void
1020rxvt_term::refresh_check ()
1021{
1022 if (want_refresh && !flush_ev.is_active ())
1023 flush_ev.start ();
1024
1025 display->flush ();
1026}
1027
1028void
1029rxvt_term::flush_cb (ev::timer &w, int revents)
1030{
1031 make_current ();
1032
1033 refresh_count = 0;
1034 flush ();
1035}
1036
1037#ifdef CURSOR_BLINK
1038void
1039rxvt_term::cursor_blink_reset ()
1040{
1041 if (!focus)
1042 return;
1043
1044 if (hidden_cursor)
773 } 1045 {
1046 hidden_cursor = 0;
1047 want_refresh = 1;
1048 }
774 1049
775 return NOCHAR; 1050 if (option (Opt_cursorBlink) || (priv_modes & PrivMode_BlinkingCursor))
1051 cursor_blink_ev.again ();
1052 else
1053 cursor_blink_ev.stop ();
776} 1054}
1055
1056void
1057rxvt_term::cursor_blink_cb (ev::timer &w, int revents)
1058{
1059 hidden_cursor = !hidden_cursor;
1060 want_refresh = 1;
1061 refresh_check ();
1062}
1063#endif
1064
1065#ifdef TEXT_BLINK
1066void
1067rxvt_term::text_blink_cb (ev::timer &w, int revents)
1068{
1069 if (scr_refresh_rend (RS_Blink, RS_Blink))
1070 {
1071 hidden_text = !hidden_text;
1072 want_refresh = 1;
1073 refresh_check ();
1074 }
1075 else
1076 w.stop ();
1077}
1078#endif
1079
1080#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1081void
1082rxvt_term::cont_scroll_cb (ev::timer &w, int revents)
1083{
1084 if ((scrollBar.state == SB_STATE_UP || scrollBar.state == SB_STATE_DOWN)
1085 && scr_page (scrollBar.state == SB_STATE_UP ? UP : DN, 1))
1086 {
1087 want_refresh = 1;
1088 refresh_check ();
1089 }
1090 else
1091 w.stop ();
1092}
1093#endif
1094
1095#ifdef SELECTION_SCROLLING
1096void
1097rxvt_term::sel_scroll_cb (ev::timer &w, int revents)
1098{
1099 if (scr_page (scroll_selection_lines))
1100 {
1101 selection_extend (selection_save_x, selection_save_y, selection_save_state);
1102 want_refresh = 1;
1103 refresh_check ();
1104 }
1105 else
1106 w.stop ();
1107}
1108#endif
1109
1110#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1111void
1112rxvt_term::slip_wheel_cb (ev::timer &w, int revents)
1113{
1114 if (scr_page (mouse_slip_wheel_speed))
1115 {
1116 want_refresh = 1;
1117 refresh_check ();
1118 }
1119
1120 if (view_start == top_row || view_start == 0 || mouse_slip_wheel_speed == 0)
1121 {
1122 mouse_slip_wheel_speed = 0;
1123 w.stop ();
1124 }
1125}
1126#endif
1127
1128#if LINUX_YIELD_HACK
1129static struct event_handler
1130{
1131 ev::prepare yield_ev;
1132
1133 void yield_cb (ev::prepare &w, int revents)
1134 {
1135 // this should really be sched_yield(), but the linux guys thought
1136 // that giving a process calling sched_yield () less cpu time than
1137 // ones with high nice levels is a useful thing to do. It surely is is
1138 // allowed by the sus... as is returning ENOSYS.
1139 // since the linux guys additionally thought that breaking the only
1140 // known workaround against their unusable sched_yield hack is cool,
1141 // we just nanosleep a bit and hope for the best.
1142
1143 struct timespec ts = { 0, 1000 };
1144 nanosleep (&ts, 0);
1145
1146 w.stop ();
1147 }
1148
1149 event_handler ()
1150 : yield_ev (this, &event_handler::yield_cb)
1151 {
1152 }
1153} event_handler;
1154#endif
1155
1156/* make sure all the cmd data is at beginning of cmdbuf */
1157void
1158rxvt_term::cmdbuf_reify ()
1159{
1160 if (cmdbuf_ptr == cmdbuf_base)
1161 return;
1162
1163 ssize_t used = cmdbuf_endp - cmdbuf_ptr;
1164
1165 memmove (cmdbuf_base, cmdbuf_ptr, used);
1166 cmdbuf_ptr = cmdbuf_base;
1167 cmdbuf_endp = cmdbuf_ptr + used;
1168
1169}
1170
1171#if defined (KEYSYM_RESOURCE)
1172void
1173rxvt_term::cmdbuf_append (const char *str, size_t count)
1174{
1175 cmdbuf_reify ();
1176
1177 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1178
1179 if (count > avail)
1180 return;
1181
1182 memcpy (cmdbuf_endp, str, count);
1183 cmdbuf_endp += count;
1184
1185 cmd_parse ();
1186}
1187#endif
777 1188
778bool 1189bool
779rxvt_term::pty_fill () 1190rxvt_term::pty_fill ()
780{ 1191{
781 ssize_t n = cmdbuf_endp - cmdbuf_ptr; 1192 cmdbuf_reify ();
782 1193
783 memmove (cmdbuf_base, cmdbuf_ptr, n); 1194 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1195
1196 if (!avail)
1197 {
1198 // normally this indicates a "too long" command sequence - just drop the data we have
784 cmdbuf_ptr = cmdbuf_base; 1199 cmdbuf_ptr = cmdbuf_base;
785 cmdbuf_endp = cmdbuf_ptr + n; 1200 cmdbuf_endp = cmdbuf_ptr;
786 1201 avail = CBUFSIZ;
787 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n); 1202 }
788 1203
1204 ssize_t r = read (pty->pty, cmdbuf_endp, avail);
1205
789 if (n > 0) 1206 if (r > 0)
790 { 1207 {
791 cmdbuf_endp += n; 1208 cmdbuf_endp += r;
792 return true; 1209 return true;
793 } 1210 }
794 else if (n < 0 && errno == EAGAIN) 1211 else if (r < 0 && (errno == EAGAIN || errno == EINTR))
1212 {
1213#if LINUX_YIELD_HACK
1214 if (display->is_local)
1215 event_handler.yield_ev.start ();
1216#endif
1217 }
1218 else
1219 {
1220 pty_ev.stop ();
1221
1222 if (!option (Opt_hold))
1223 destroy ();
1224 }
1225
795 return false; 1226 return false;
796
797 rxvt_clean_exit ();
798 exit (EXIT_FAILURE); /* bad order of events? */
799} 1227}
800 1228
801void 1229void
802rxvt_term::pty_cb (io_watcher &w, short revents) 1230rxvt_term::pty_cb (ev::io &w, int revents)
803{ 1231{
1232 make_current ();
1233
1234 if (revents & ev::READ)
804 // loop, but don't allow a single term to monopolize us 1235 // loop, but don't allow a single term to monopolize us
805 // the number of loops is fully arbitrary, and thus wrong
806 for (int i = 7; i-- && pty_fill (); ) 1236 for (int i = CBUFCNT; i-- && pty_fill (); )
1237 cmd_parse ();
1238
1239 if (revents & ev::WRITE)
1240 pty_write ();
1241
1242 refresh_check ();
1243}
1244
1245void ecb_cold
1246rxvt_term::pointer_unblank ()
1247{
1248 XDefineCursor (dpy, vt, TermWin_cursor);
1249 recolor_cursor ();
1250
1251#ifdef POINTER_BLANK
1252 hidden_pointer = 0;
1253
1254 if (option (Opt_pointerBlank))
1255 pointer_ev.start (pointerBlankDelay);
1256#endif
1257}
1258
1259#ifdef POINTER_BLANK
1260void ecb_cold
1261rxvt_term::pointer_blank ()
1262{
1263 if (!option (Opt_pointerBlank))
1264 return;
1265
1266 XDefineCursor (dpy, vt, display->blank_cursor);
1267 XFlush (dpy);
1268
1269 hidden_pointer = 1;
1270}
1271
1272void ecb_cold
1273rxvt_term::pointer_cb (ev::timer &w, int revents)
1274{
1275 make_current ();
1276
1277 pointer_blank ();
1278}
1279#endif
1280
1281void
1282rxvt_term::mouse_report (XButtonEvent &ev)
1283{
1284 int button_number, state = 0;
1285 int x, y;
1286 bool release = ev.type == ButtonRelease;
1287
1288 x = 1 + clamp (Pixel2Col (ev.x), 0, ncol - 1);
1289 y = 1 + clamp (Pixel2Row (ev.y), 0, nrow - 1);
1290
1291 if (ev.type == MotionNotify)
1292 {
1293 if (x == mouse_row && y == mouse_col)
1294 return;
1295
1296 mouse_row = x;
1297 mouse_col = y;
1298 state += 32;
807 { 1299 }
808 //TODO:
809 /* once we know the shell is running, send the screen size. Again! */
810 //ch = rxvt_cmd_getc(aR); /* wait for something */
811 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
812 1300
813 uint32_t ch = NOCHAR; 1301 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 }
814 1313
815 for (;;) 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)))
816 { 1429 {
817 if (ch == NOCHAR) 1430 if (ev.xclient.message_type == xa[XA_WM_PROTOCOLS])
818 ch = next_char (); 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;
819 1458
820 if (ch == NOCHAR) // TODO: improve 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;
821 break; 1474 break;
1475 case VisibilityPartiallyObscured:
1476 refresh_type = SLOW_REFRESH;
1477 break;
1478 default:
1479 refresh_type = NO_REFRESH;
1480 break;
1481 }
1482 break;
822 1483
823 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r') 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)
824 { 1919 {
825 /* Read a text string from the input buffer */ 1920 /* same button, within allowed time */
826 uint32_t buf[BUFSIZ]; 1921 MEvent.clicks++;
827 bool refreshnow = false;
828 int nlines = 0;
829 uint32_t *str = buf;
830 1922
831 *str++ = ch; 1923 if (MEvent.clicks > 1)
832
833 for (;;)
834 { 1924 {
835 ch = next_char (); 1925 /* only report double clicks */
1926 MEvent.clicks = 2;
1927 mouse_report (ev);
836 1928
837 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r')) 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
1946 }
1947 else
1948 {
1949 if (ev.button != MEvent.button)
1950 MEvent.clicks = 0;
1951
1952 switch (ev.button)
1953 {
1954 case Button1:
1955 /* allow meta + click to select rectangular areas */
1956 /* should be done in screen.C */
1957#if ENABLE_FRILLS
1958 selection.rect = !!(ev.state & ModMetaMask);
1959#else
1960 selection.rect = false;
1961#endif
1962
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;
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)
2036 {
2037 case Button2:
2038 tt_printf ("\014");
838 break; 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))
2058 {
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 }
2081
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;
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 }
839 else 2113 else
840 { 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
841 *str++ = ch; 2290 *str++ = ch;
842 2291
2292 if (ecb_unlikely (ch == C0_LF || str >= eol))
2293 {
843 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.)
844 { 2304 {
845 nlines++;
846 refresh_count++;
847
848 if (!(Options & Opt_jumpScroll)
849 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
850 {
851 refreshnow = true; 2305 refreshnow = true;
852 ch = NOCHAR; 2306 ch = NOCHAR;
853 break; 2307 break;
854 }
855 } 2308 }
2309 }
856 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 {
857 if (str >= buf + BUFSIZ) 2325 if (eol >= buf + UBUFSIZ)
858 { 2326 {
859 ch = NOCHAR; 2327 ch = NOCHAR;
860 break; 2328 break;
861 } 2329 }
2330 else
2331 eol = min (eol + ncol, buf + UBUFSIZ);
862 } 2332 }
2333
863 } 2334 }
864 2335
865 rxvt_scr_add_lines (this, buf, nlines, str - buf); 2336 seq_begin = cmdbuf_ptr;
866 2337 ch = next_char ();
867 /*
868 * If there have been a lot of new lines, then update the screen
869 * What the heck I'll cheat and only refresh less than every page-full.
870 * the number of pages between refreshes is refresh_limit, which
871 * is incremented here because we must be doing flat-out scrolling.
872 *
873 * refreshing should be correct for small scrolls, because of the
874 * time-out
875 */
876 if (refreshnow)
877 {
878 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
879 refresh_limit++;
880
881 rxvt_scr_refresh (this, refresh_type);
882 }
883
884 } 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
885 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)
886 { 2350 {
887 switch (ch) 2351 scr_refresh ();
888 { 2352 want_refresh = 1;
889 default:
890 rxvt_process_nonprinting (this, ch);
891 break;
892 case C0_ESC: /* escape char */
893 rxvt_process_escape_seq (this);
894 break;
895 /*case 0x9b: */ /* CSI */
896 /* rxvt_process_csi_seq (this); */
897 }
898
899 ch = NOCHAR;
900 } 2353 }
901 } 2354 }
902 }
903
904 flush ();
905}
906
907void
908rxvt_term::flush ()
909{
910#ifdef TRANSPARENT
911 if (want_full_refresh)
912 {
913 want_full_refresh = 0;
914 rxvt_scr_clear (this);
915 rxvt_scr_touch (this, False);
916 want_refresh = 1;
917 }
918#endif
919
920 if (want_refresh)
921 {
922 rxvt_scr_refresh (this, refresh_type);
923 rxvt_scrollbar_show (this, 1);
924#ifdef USE_XIM
925 rxvt_IMSendSpot (this);
926#endif
927 }
928
929 if (XPending (Xdisplay)) process_x_events ();
930 XFlush (Xdisplay);
931 if (XPending (Xdisplay)) process_x_events ();
932}
933
934/* rxvt_cmd_getc() - Return next input character */
935/*
936 * Return the next input character after first passing any keyboard input
937 * to the command.
938 */
939/* INTPROTO */
940uint32_t
941rxvt_cmd_getc(pR)
942{
943 for (;;)
944 {
945 uint32_t c = R->next_char ();
946 if (c != NOCHAR)
947 return c;
948
949 // incomplete sequences should occur rarely, still, a better solution
950 // would be preferred. either setjmp/longjmp or better design.
951 fcntl (R->cmd_fd, F_SETFL, 0);
952 R->pty_fill ();
953 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
954 }
955
956#if 0
957#define TIMEOUT_USEC 5000
958 fd_set readfds;
959 int quick_timeout, select_res;
960 int want_motion_time, want_keypress_time;
961 struct timeval value;
962#if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
963 struct timeval tp;
964#endif
965
966 for (;;) {
967 /* loop until we can return something */
968
969 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
970 rxvt_tt_write(aR_ NULL, 0);
971
972#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
973 if (R->mouse_slip_wheel_speed) {
974 quick_timeout = 1;
975 if (!R->mouse_slip_wheel_delay--
976 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
977 abs(R->mouse_slip_wheel_speed))) {
978 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
979 R->refresh_type |= SMOOTH_REFRESH;
980 R->want_refresh = 1;
981 }
982 }
983#endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
984#ifdef SELECTION_SCROLLING
985 if (R->pending_scroll_selection) {
986 quick_timeout = 1;
987 if (!R->scroll_selection_delay--
988 && rxvt_scr_page(aR_ R->scroll_selection_dir,
989 R->scroll_selection_lines)) {
990 rxvt_selection_extend(aR_ R->selection_save_x,
991 R->selection_save_y, R->selection_save_state);
992 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
993 R->refresh_type |= SMOOTH_REFRESH;
994 R->want_refresh = 1;
995 }
996 }
997#endif
998#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
999 if (scrollbar_isUp() || scrollbar_isDn()) {
1000 quick_timeout = 1;
1001 if (!R->scroll_arrow_delay--
1002 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1003 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1004 R->refresh_type |= SMOOTH_REFRESH;
1005 R->want_refresh = 1;
1006 }
1007 }
1008#endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1009
1010#ifdef TRANSPARENT
1011 quick_timeout |= R->want_full_refresh;
1012#endif
1013#endif
1014}
1015
1016void
1017rxvt_term::pointer_unblank ()
1018{
1019 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1020 rxvt_recolour_cursor (this);
1021
1022#ifdef POINTER_BLANK
1023 hidden_pointer = 0;
1024
1025 if (Options & Opt_pointerBlank)
1026 pointer_ev.start (NOW + pointerBlankDelay);
1027#endif
1028}
1029
1030#ifdef POINTER_BLANK
1031void
1032rxvt_term::pointer_blank ()
1033{
1034 pointer_ev.stop ();
1035
1036 if (!(Options & Opt_pointerBlank))
1037 return;
1038
1039 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1040 XFlush (Xdisplay);
1041
1042 hidden_pointer = 1;
1043}
1044
1045void
1046rxvt_term::pointer_cb (time_watcher &w)
1047{
1048 pointer_blank ();
1049}
1050#endif
1051
1052/* INTPROTO */
1053void
1054rxvt_mouse_report(pR_ const XButtonEvent *ev)
1055{
1056 int button_number, key_state = 0;
1057 int x, y;
1058
1059 x = ev->x;
1060 y = ev->y;
1061 rxvt_pixel_position(aR_ &x, &y);
1062
1063 if (R->MEvent.button == AnyButton) {
1064 button_number = 3;
1065 } else { 2355 else
1066 button_number = R->MEvent.button - Button1; 2356 {
1067 /* add 0x3D for wheel events, like xterm does */ 2357 try
1068 if (button_number >= 3)
1069 button_number += (64 - 3);
1070 }
1071
1072 if (R->PrivateModes & PrivMode_MouseX10) {
1073 /*
1074 * do not report ButtonRelease
1075 * no state info allowed
1076 */
1077 key_state = 0;
1078 if (button_number == 3)
1079 return;
1080 } else {
1081 /* XTerm mouse reporting needs these values:
1082 * 4 = Shift
1083 * 8 = Meta
1084 * 16 = Control
1085 * plus will add in our own Double-Click reporting
1086 * 32 = Double Click
1087 */
1088 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1089 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1090 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1091#ifdef MOUSE_REPORT_DOUBLECLICK
1092 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1093#endif
1094 }
1095
1096#ifdef DEBUG_MOUSEREPORT
1097 fprintf(stderr, "Mouse [");
1098 if (key_state & 16)
1099 fputc('C', stderr);
1100 if (key_state & 4)
1101 fputc('S', stderr);
1102 if (key_state & 8)
1103 fputc('A', stderr);
1104 if (key_state & 32)
1105 fputc('2', stderr);
1106 fprintf(stderr, "]: <%d>, %d/%d\n",
1107 button_number,
1108 x + 1,
1109 y + 1);
1110#else
1111 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1112 (32 + button_number + key_state),
1113 (32 + x + 1),
1114 (32 + y + 1));
1115#endif
1116}
1117
1118#ifdef USING_W11LIB
1119/* EXTPROTO */
1120void
1121rxvt_W11_process_x_event(XEvent *ev)
1122{
1123 rxvt_t *r = rxvt_get_r();
1124
1125 rxvt_process_x_event(aR_ ev);
1126}
1127#endif
1128
1129/*{{{ process an X event */
1130/* INTPROTO */
1131void
1132rxvt_process_x_event(pR_ XEvent *ev)
1133{
1134 int i, want_timeout;
1135 Window unused_root, unused_child;
1136 int unused_root_x, unused_root_y;
1137 unsigned int unused_mask;
1138 struct timeval tp;
1139
1140#ifdef DEBUG_X
1141 const char *const eventnames[] =
1142 { /* mason - this matches my system */
1143 "",
1144 "",
1145 "KeyPress",
1146 "KeyRelease",
1147 "ButtonPress",
1148 "ButtonRelease",
1149 "MotionNotify",
1150 "EnterNotify",
1151 "LeaveNotify",
1152 "FocusIn",
1153 "FocusOut",
1154 "KeymapNotify",
1155 "Expose",
1156 "GraphicsExpose",
1157 "NoExpose",
1158 "VisibilityNotify",
1159 "CreateNotify",
1160 "DestroyNotify",
1161 "UnmapNotify",
1162 "MapNotify",
1163 "MapRequest",
1164 "ReparentNotify",
1165 "ConfigureNotify",
1166 "ConfigureRequest",
1167 "GravityNotify",
1168 "ResizeRequest",
1169 "CirculateNotify",
1170 "CirculateRequest",
1171 "PropertyNotify",
1172 "SelectionClear",
1173 "SelectionRequest",
1174 "SelectionNotify",
1175 "ColormapNotify",
1176 "ClientMessage",
1177 "MappingNotify"
1178 };
1179 struct tm *ltt;
1180#endif
1181
1182 /*
1183 * check if we need to get the time for any timeouts
1184 */
1185
1186 for (i = NUM_TIMEOUTS; i--; )
1187 if (R->timeout[i].tv_sec) {
1188 want_timeout = 1;
1189 break;
1190 }
1191
1192#ifndef DEBUG_X
1193 if (want_timeout)
1194#endif
1195 (void)gettimeofday(&tp, NULL);
1196
1197#ifdef DEBUG_X
1198 ltt = localtime(&(tp.tv_sec));
1199 D_X((stderr, "Event: %-16s %-7s %08lx (%4d-%02d-%02d %02d:%02d:%02d.%.6ld) %s %lu", eventnames[ev->type], (ev->xany.window == R->TermWin.parent[0] ? "parent" : (ev->xany.window == R->TermWin.vt ? "vt" : (ev->xany.window == R->scrollBar.win ? "scroll" : (ev->xany.window == R->menuBar.win ? "menubar" : "UNKNOWN")))), (ev->xany.window == R->TermWin.parent[0] ? R->TermWin.parent[0] : (ev->xany.window == R->TermWin.vt ? R->TermWin.vt : (ev->xany.window == R->scrollBar.win ? R->scrollBar.win : (ev->xany.window == R->menuBar.win ? R->menuBar.win : 0)))), ltt->tm_year + 1900, ltt->tm_mon + 1, ltt->tm_mday, ltt->tm_hour, ltt->tm_min, ltt->tm_sec, tp.tv_usec, ev->xany.send_event ? "S" : " ", ev->xany.serial));
1200#endif
1201
1202 /* X event timeouts */
1203 if (want_timeout)
1204 for (i = NUM_TIMEOUTS; i--; ) {
1205 if (R->timeout[i].tv_sec == 0)
1206 continue;
1207 if ((tp.tv_sec < R->timeout[i].tv_sec)
1208 || (tp.tv_sec == R->timeout[i].tv_sec
1209 && tp.tv_usec < R->timeout[i].tv_usec))
1210 continue;
1211 R->timeout[i].tv_sec = 0;
1212 switch(i) {
1213 case TIMEOUT_INCR:
1214 rxvt_print_error("data loss: timeout on INCR selection paste");
1215 R->selection_wait = Sel_none;
1216 break;
1217 default:
1218 break;
1219 }
1220 }
1221
1222 switch (ev->type) {
1223 case KeyPress:
1224 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1225 break;
1226
1227#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1228 case KeyRelease:
1229 {
1230 if (!(ev->xkey.state & ControlMask))
1231 R->mouse_slip_wheel_speed = 0;
1232 else {
1233 KeySym ks;
1234
1235 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1236 if (ks == XK_Control_L || ks == XK_Control_R)
1237 R->mouse_slip_wheel_speed = 0;
1238 }
1239 break;
1240 }
1241#endif
1242
1243 case ButtonPress:
1244 rxvt_button_press(aR_ (XButtonEvent *)ev);
1245 break;
1246
1247 case ButtonRelease:
1248 rxvt_button_release(aR_ (XButtonEvent *)ev);
1249 break;
1250
1251 case ClientMessage:
1252 if (ev->xclient.format == 32
1253 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1254 exit(EXIT_SUCCESS);
1255#ifdef OFFIX_DND
1256 /* OffiX Dnd (drag 'n' drop) protocol */
1257 if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1258 && (ev->xclient.data.l[0] == DndFile
1259 || ev->xclient.data.l[0] == DndDir
1260 || ev->xclient.data.l[0] == DndLink)) {
1261 /* Get Dnd data */
1262 Atom ActualType;
1263 int ActualFormat;
1264 unsigned char *data;
1265 unsigned long Size, RemainingBytes;
1266
1267 XGetWindowProperty(R->Xdisplay, Xroot,
1268 R->xa[XA_DNDSELECTION],
1269 0L, 1000000L,
1270 False, AnyPropertyType,
1271 &ActualType, &ActualFormat,
1272 &Size, &RemainingBytes,
1273 &data);
1274 XChangeProperty(R->Xdisplay, Xroot,
1275 XA_CUT_BUFFER0, XA_STRING,
1276 8, PropModeReplace,
1277 data, STRLEN(data));
1278 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1279 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1280 }
1281#endif /* OFFIX_DND */
1282 break;
1283
1284 case MappingNotify:
1285 XRefreshKeyboardMapping(&(ev->xmapping));
1286 break;
1287
1288 /*
1289 * XXX: this is not the _current_ arrangement
1290 * Here's my conclusion:
1291 * If the window is completely unobscured, use bitblt's
1292 * to scroll. Even then, they're only used when doing partial
1293 * screen scrolling. When partially obscured, we have to fill
1294 * in the GraphicsExpose parts, which means that after each refresh,
1295 * we need to wait for the graphics expose or Noexpose events,
1296 * which ought to make things real slow!
1297 */
1298 case VisibilityNotify:
1299 switch (ev->xvisibility.state)
1300 { 2358 {
1301 case VisibilityUnobscured: 2359 process_nonprinting (ch);
1302 R->refresh_type = FAST_REFRESH; 2360 }
2361 catch (const class out_of_input &o)
2362 {
2363 // we ran out of input, retry later
2364 cmdbuf_ptr = seq_begin;
1303 break; 2365 break;
1304 case VisibilityPartiallyObscured:
1305 R->refresh_type = SLOW_REFRESH;
1306 break;
1307 default:
1308 R->refresh_type = NO_REFRESH;
1309 break;
1310 } 2366 }
1311 break;
1312 2367
1313 case FocusIn: 2368 ch = NOCHAR;
1314 if (!R->TermWin.focus) { 2369 }
1315 R->TermWin.focus = 1;
1316 R->want_refresh = 1;
1317#ifdef USE_XIM
1318 if (R->Input_Context != NULL)
1319 XSetICFocus(R->Input_Context);
1320#endif
1321#ifdef CURSOR_BLINK
1322 if (R->Options & Opt_cursorBlink)
1323 R->blink_ev.start (NOW + BLINK_INTERVAL);
1324#endif
1325 }
1326 break;
1327
1328 case FocusOut:
1329 if (R->TermWin.focus) {
1330 R->TermWin.focus = 0;
1331 R->want_refresh = 1;
1332#ifdef USE_XIM
1333 if (R->Input_Context != NULL)
1334 XUnsetICFocus(R->Input_Context);
1335#endif
1336#ifdef CURSOR_BLINK
1337 if (R->Options & Opt_cursorBlink)
1338 R->blink_ev.stop ();
1339 R->hidden_cursor = 0;
1340#endif
1341 }
1342 break;
1343
1344 case ConfigureNotify:
1345 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1346 int height, width;
1347
1348 do { /* Wrap lots of configures into one */
1349 width = ev->xconfigure.width;
1350 height = ev->xconfigure.height;
1351 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1352 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1353 ConfigureNotify, ev));
1354 if (R->szHint.width != width || R->szHint.height != height) {
1355 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1356 rxvt_resize_all_windows(aR_ (unsigned int)width,
1357 (unsigned int)height, 1);
1358 } 2370 }
1359#ifdef DEBUG_SIZE 2371}
1360 else { 2372
1361 D_SIZE((stderr, "Size: Not resizing")); 2373// read the next character
2374wchar_t ecb_hot
2375rxvt_term::next_char () noexcept
2376{
2377 while (cmdbuf_ptr < cmdbuf_endp)
2378 {
2379 // assume 7-bit to be ascii ALWAYS (always true in POSIX)
2380 if (ecb_likely ((unsigned char)*cmdbuf_ptr <= 0x7f))
2381 return *cmdbuf_ptr++;
2382
2383 wchar_t wc;
2384 size_t len = mbrtowc (&wc, cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, mbstate);
2385
2386 if (len == (size_t)-2)
2387 {
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)
2394 {
2395 mbstate.reset (); // reset now undefined conversion state
2396 // a -1 might indicate that a previous incomplete char is invalid (previous return -2)
2397 // in which case we "erroneously" return the next byte which might be valid.
2398 return (unsigned char)*cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
2399 }
2400
2401 // assume wchar == unicode
2402 cmdbuf_ptr += len;
2403 return wc & UNICODE_MASK;
1362 } 2404 }
1363#endif
1364#ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1365 if (R->Options & Opt_transparent) {
1366 rxvt_check_our_parents(aR);
1367 if (R->am_transparent)
1368 R->want_full_refresh = 1;
1369 }
1370#endif
1371 }
1372 break;
1373 2405
1374 case SelectionClear: 2406 return NOCHAR;
1375 rxvt_selection_clear(aR);
1376 break;
1377
1378 case SelectionNotify:
1379 if (R->selection_wait == Sel_normal)
1380 rxvt_selection_paste(aR_ ev->xselection.requestor,
1381 ev->xselection.property, True);
1382 break;
1383
1384 case SelectionRequest:
1385 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1386 break;
1387
1388 case UnmapNotify:
1389 R->TermWin.mapped = 0;
1390 break;
1391
1392 case MapNotify:
1393 R->TermWin.mapped = 1;
1394 break;
1395
1396 case PropertyNotify:
1397 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1398 if (ev->xproperty.state == PropertyNewValue)
1399 rxvt_selection_property(aR_ ev->xproperty.window,
1400 ev->xproperty.atom);
1401 break;
1402 }
1403#ifdef TRANSPARENT
1404 /*
1405 * if user used some Esetroot compatible prog to set the root bg,
1406 * use the property to determine the pixmap. We use it later on.
1407 */
1408 if (R->xa[XA_XROOTPMAPID] == 0)
1409 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1410 "_XROOTPMAP_ID", False);
1411 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1412 break;
1413 /* FALLTHROUGH */
1414 case ReparentNotify:
1415 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1416 if (R->am_transparent)
1417 R->want_full_refresh = 1;
1418 }
1419#endif /* TRANSPARENT */
1420 break;
1421
1422 case GraphicsExpose:
1423 case Expose:
1424 if (ev->xany.window == R->TermWin.vt) {
1425#ifdef NO_SLOW_LINK_SUPPORT
1426 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1427 ev->xexpose.width, ev->xexpose.height, False);
1428#else
1429 // don't understand this, so commented it out
1430 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1431 ev->xexpose.width, ev->xexpose.height, False);
1432 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1433 // ev->xexpose.width, R->TermWin.height, False);
1434#endif
1435 R->want_refresh = 1;
1436 } else {
1437 XEvent unused_xevent;
1438
1439 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1440 Expose,
1441 &unused_xevent)) ;
1442 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1443 GraphicsExpose,
1444 &unused_xevent)) ;
1445 if (isScrollbarWindow(ev->xany.window)) {
1446 scrollbar_setIdle();
1447 rxvt_scrollbar_show(aR_ 0);
1448 }
1449#ifdef MENUBAR
1450 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1451 rxvt_menubar_expose(aR);
1452#endif
1453#ifdef RXVT_GRAPHICS
1454 rxvt_Gr_expose(aR_ ev->xany.window);
1455#endif
1456 }
1457 break;
1458
1459 case MotionNotify:
1460#ifdef POINTER_BLANK
1461 if (R->hidden_pointer)
1462 R->pointer_unblank ();
1463#endif
1464#if MENUBAR
1465 if (isMenuBarWindow(ev->xany.window)) {
1466 rxvt_menubar_control(aR_ &(ev->xbutton));
1467 break;
1468 }
1469#endif
1470 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1471 break;
1472
1473 if (ev->xany.window == R->TermWin.vt) {
1474 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1475 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1476 MotionNotify, ev)) ;
1477 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1478 &unused_root, &unused_child,
1479 &unused_root_x, &unused_root_y,
1480 &(ev->xbutton.x), &(ev->xbutton.y),
1481 &unused_mask);
1482#ifdef MOUSE_THRESHOLD
1483 /* deal with a `jumpy' mouse */
1484 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1485#endif
1486 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1487 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1488#ifdef SELECTION_SCROLLING
1489 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1490 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1491 int dist;
1492
1493 R->pending_scroll_selection=1;
1494
1495 /* don't clobber the current delay if we are
1496 * already in the middle of scrolling.
1497 */
1498 if (R->scroll_selection_delay<=0)
1499 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1500
1501 /* save the event params so we can highlight
1502 * the selection in the pending-scroll loop
1503 */
1504 R->selection_save_x=ev->xbutton.x;
1505 R->selection_save_y=ev->xbutton.y;
1506 R->selection_save_state=
1507 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1508
1509 /* calc number of lines to scroll */
1510 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1511 R->scroll_selection_dir = UP;
1512 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1513 }
1514 else {
1515 R->scroll_selection_dir = DN;
1516 dist = ev->xbutton.y -
1517 (R->TermWin.int_bwidth + R->TermWin.height);
1518 }
1519 R->scroll_selection_lines=(Pixel2Height(dist)/
1520 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1521 MIN_IT(R->scroll_selection_lines,
1522 SELECTION_SCROLL_MAX_LINES);
1523 }
1524 else {
1525 /* we are within the text window, so we
1526 * shouldn't be scrolling
1527 */
1528 R->pending_scroll_selection = 0;
1529 }
1530#endif
1531#ifdef MOUSE_THRESHOLD
1532 }
1533#endif
1534 }
1535 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1536 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1537 MotionNotify, ev)) ;
1538 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1539 &unused_root, &unused_child,
1540 &unused_root_x, &unused_root_y,
1541 &(ev->xbutton.x), &(ev->xbutton.y),
1542 &unused_mask);
1543 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1544 scrollbar_size());
1545 rxvt_scr_refresh(aR_ R->refresh_type);
1546 R->refresh_limit = 0;
1547 rxvt_scrollbar_show(aR_ 1);
1548 }
1549 break;
1550 }
1551} 2407}
1552 2408
1553/* INTPROTO */ 2409// read the next octet
1554void 2410uint32_t ecb_hot
1555rxvt_button_press(pR_ XButtonEvent *ev) 2411rxvt_term::next_octet () noexcept
1556{ 2412{
1557 int reportmode = 0, clickintime; 2413 return cmdbuf_ptr < cmdbuf_endp
2414 ? (unsigned char)*cmdbuf_ptr++
2415 : NOCHAR;
2416}
1558 2417
1559 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask); 2418static class out_of_input out_of_input;
1560 if (!R->bypass_keystate)
1561 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1562/*
1563 * VT window processing of button press
1564 */
1565 if (ev->window == R->TermWin.vt)
1566 {
1567#if RXVT_GRAPHICS
1568 if (ev->subwindow != None)
1569 rxvt_Gr_ButtonPress(ev->x, ev->y);
1570 else
1571#endif
1572 {
1573 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1574 if (reportmode)
1575 {
1576 /* mouse report from vt window */
1577 /* save the xbutton state (for ButtonRelease) */
1578 R->MEvent.state = ev->state;
1579#ifdef MOUSE_REPORT_DOUBLECLICK
1580 if (ev->button == R->MEvent.button && clickintime)
1581 {
1582 /* same button, within alloted time */
1583 R->MEvent.clicks++;
1584 if (R->MEvent.clicks > 1)
1585 {
1586 /* only report double clicks */
1587 R->MEvent.clicks = 2;
1588 rxvt_mouse_report(aR_ ev);
1589 2419
1590 /* don't report the release */ 2420wchar_t ecb_hot
1591 R->MEvent.clicks = 0; 2421rxvt_term::cmd_getc ()
1592 R->MEvent.button = AnyButton; 2422{
1593 } 2423 wchar_t c = next_char ();
1594 }
1595 else
1596 {
1597 /* different button, or time expired */
1598 R->MEvent.clicks = 1;
1599 R->MEvent.button = ev->button;
1600 rxvt_mouse_report(aR_ ev);
1601 }
1602#else
1603 R->MEvent.button = ev->button;
1604 rxvt_mouse_report(aR_ ev);
1605#endif /* MOUSE_REPORT_DOUBLECLICK */
1606 }
1607 else
1608 {
1609 if (ev->button != R->MEvent.button)
1610 R->MEvent.clicks = 0;
1611 switch (ev->button)
1612 {
1613 case Button1:
1614 if (R->MEvent.button == Button1 && clickintime)
1615 R->MEvent.clicks++;
1616 else
1617 R->MEvent.clicks = 1;
1618 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1619 R->MEvent.button = Button1;
1620 break;
1621 2424
1622 case Button3: 2425 if (c == NOCHAR)
1623 if (R->MEvent.button == Button3 && clickintime) 2426 throw out_of_input;
1624 rxvt_selection_rotate(aR_ ev->x, ev->y); 2427
1625 else
1626 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1627 R->MEvent.button = Button3;
1628 break;
1629 }
1630 }
1631 R->MEvent.time = ev->time;
1632 return; 2428 return c;
1633 }
1634 }
1635
1636/*
1637 * Scrollbar window processing of button press
1638 */
1639 if (isScrollbarWindow(ev->window))
1640 {
1641 scrollbar_setIdle();
1642 /*
1643 * Rxvt-style scrollbar:
1644 * move up if mouse is above slider
1645 * move dn if mouse is below slider
1646 *
1647 * XTerm-style scrollbar:
1648 * Move display proportional to pointer location
1649 * pointer near top -> scroll one line
1650 * pointer near bot -> scroll full page
1651 */
1652#ifndef NO_SCROLLBAR_REPORT
1653 if (reportmode) {
1654 /*
1655 * Mouse report disabled scrollbar:
1656 * arrow buttons - send up/down
1657 * click on scrollbar - send pageup/down
1658 */
1659 if ((R->scrollBar.style == R_SB_NEXT
1660 && scrollbarnext_upButton(ev->y))
1661 || (R->scrollBar.style == R_SB_RXVT
1662 && scrollbarrxvt_upButton(ev->y)))
1663 rxvt_tt_printf(aR_ "\033[A");
1664 else if ((R->scrollBar.style == R_SB_NEXT
1665 && scrollbarnext_dnButton(ev->y))
1666 || (R->scrollBar.style == R_SB_RXVT
1667 && scrollbarrxvt_dnButton(ev->y)))
1668 rxvt_tt_printf(aR_ "\033[B");
1669 else
1670 switch (ev->button) {
1671 case Button2:
1672 rxvt_tt_printf(aR_ "\014");
1673 break;
1674 case Button1:
1675 rxvt_tt_printf(aR_ "\033[6~");
1676 break;
1677 case Button3:
1678 rxvt_tt_printf(aR_ "\033[5~");
1679 break;
1680 }
1681 }
1682 else
1683#endif /* NO_SCROLLBAR_REPORT */
1684 {
1685 char upordown = 0;
1686
1687 if (R->scrollBar.style == R_SB_NEXT) {
1688 if (scrollbarnext_upButton(ev->y))
1689 upordown = -1; /* up */
1690 else if (scrollbarnext_dnButton(ev->y))
1691 upordown = 1; /* down */
1692 } else if (R->scrollBar.style == R_SB_RXVT) {
1693 if (scrollbarrxvt_upButton(ev->y))
1694 upordown = -1; /* up */
1695 else if (scrollbarrxvt_dnButton(ev->y))
1696 upordown = 1; /* down */
1697 }
1698 if (upordown) {
1699#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1700 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1701#endif
1702 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1703 if (upordown < 0)
1704 scrollbar_setUp();
1705 else
1706 scrollbar_setDn();
1707 }
1708 } else
1709 switch (ev->button) {
1710 case Button2:
1711 switch (R->scrollbar_align) {
1712 case R_SB_ALIGN_TOP:
1713 R->csrO = 0;
1714 break;
1715 case R_SB_ALIGN_CENTRE:
1716 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1717 break;
1718 case R_SB_ALIGN_BOTTOM:
1719 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1720 break;
1721 }
1722 if (R->scrollBar.style == R_SB_XTERM
1723 || scrollbar_above_slider(ev->y)
1724 || scrollbar_below_slider(ev->y))
1725 rxvt_scr_move_to(aR_
1726 scrollbar_position(ev->y) - R->csrO,
1727 scrollbar_size());
1728 scrollbar_setMotion();
1729 break;
1730
1731 case Button1:
1732 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1733 R->csrO = ev->y - R->scrollBar.top;
1734 /* FALLTHROUGH */
1735
1736 case Button3:
1737 if (R->scrollBar.style != R_SB_XTERM) {
1738 if (scrollbar_above_slider(ev->y))
1739# ifdef RXVT_SCROLL_FULL
1740 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1741# else
1742 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1743# endif
1744 else if (scrollbar_below_slider(ev->y))
1745# ifdef RXVT_SCROLL_FULL
1746 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1747# else
1748 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1749# endif
1750 else
1751 scrollbar_setMotion();
1752 } else {
1753 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1754 (R->TermWin.nrow
1755 * scrollbar_position(ev->y)
1756 / scrollbar_size()));
1757 }
1758 break;
1759 }
1760 }
1761 return;
1762 }
1763#if MENUBAR
1764 /*
1765 * Menubar window processing of button press
1766 */
1767 if (isMenuBarWindow(ev->window))
1768 rxvt_menubar_control(aR_ ev);
1769#endif
1770} 2429}
1771 2430
1772/* INTPROTO */ 2431uint32_t ecb_hot
1773void 2432rxvt_term::cmd_get8 ()
1774rxvt_button_release(pR_ XButtonEvent *ev)
1775{ 2433{
1776 int reportmode = 0; 2434 uint32_t c = next_octet ();
1777 2435
1778 R->csrO = 0; /* reset csr Offset */ 2436 if (c == NOCHAR)
1779 if (!R->bypass_keystate) 2437 throw out_of_input;
1780 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1781 2438
1782 if (scrollbar_isUpDn()) {
1783 scrollbar_setIdle();
1784 rxvt_scrollbar_show(aR_ 0);
1785#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1786 R->refresh_type &= ~SMOOTH_REFRESH;
1787#endif
1788 }
1789#ifdef SELECTION_SCROLLING
1790 R->pending_scroll_selection=0;
1791#endif
1792 if (ev->window == R->TermWin.vt)
1793 {
1794#ifdef RXVT_GRAPHICS
1795 if (ev->subwindow != None)
1796 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1797 else
1798#endif
1799 {
1800 if (reportmode)
1801 {
1802 /* mouse report from vt window */
1803 /* don't report release of wheel "buttons" */
1804 if (ev->button >= 4)
1805 return; 2439 return c;
1806#ifdef MOUSE_REPORT_DOUBLECLICK
1807 /* only report the release of 'slow' single clicks */
1808 if (R->MEvent.button != AnyButton
1809 && (ev->button != R->MEvent.button
1810 || (ev->time - R->MEvent.time
1811 > MULTICLICK_TIME / 2)))
1812 {
1813 R->MEvent.clicks = 0;
1814 R->MEvent.button = AnyButton;
1815 rxvt_mouse_report(aR_ ev);
1816 }
1817#else /* MOUSE_REPORT_DOUBLECLICK */
1818 R->MEvent.button = AnyButton;
1819 rxvt_mouse_report(aR_ ev);
1820#endif /* MOUSE_REPORT_DOUBLECLICK */
1821 return;
1822 }
1823 /*
1824 * dumb hack to compensate for the failure of click-and-drag
1825 * when overriding mouse reporting
1826 */
1827 if (R->PrivateModes & PrivMode_mouse_report
1828 && R->bypass_keystate
1829 && ev->button == Button1 && R->MEvent.clicks <= 1)
1830 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1831
1832 switch (ev->button) {
1833 case Button1:
1834 case Button3:
1835 rxvt_selection_make(aR_ ev->time);
1836 break;
1837 case Button2:
1838 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1839 break;
1840#ifdef MOUSE_WHEEL
1841 case Button4:
1842 case Button5:
1843 {
1844 int i, v;
1845
1846 v = (ev->button == Button4) ? UP : DN;
1847 if (ev->state & ShiftMask)
1848 i = 1;
1849 else if ((R->Options & Opt_mouseWheelScrollPage))
1850 i = R->TermWin.nrow - 1;
1851 else
1852 i = 5;
1853# ifdef MOUSE_SLIP_WHEELING
1854 if (ev->state & ControlMask)
1855 {
1856 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1857 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1858 }
1859# endif
1860# ifdef JUMP_MOUSE_WHEEL
1861 rxvt_scr_page(aR_ v, i);
1862 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1863 rxvt_scrollbar_show(aR_ 1);
1864# else
1865 for (; i--;)
1866 {
1867 rxvt_scr_page(aR_ v, 1);
1868 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1869 rxvt_scrollbar_show(aR_ 1);
1870 }
1871# endif
1872 }
1873 break;
1874#endif
1875 }
1876 }
1877 }
1878#ifdef MENUBAR
1879 else if (isMenuBarWindow(ev->window))
1880 rxvt_menubar_control(aR_ ev);
1881#endif
1882} 2440}
1883
1884
1885#ifdef TRANSPARENT
1886/*
1887 * Check our parents are still who we think they are.
1888 * Do transparency updates if required
1889 */
1890/* EXTPROTO */
1891int
1892rxvt_check_our_parents(pR)
1893{
1894 int i, pchanged, aformat, have_pixmap, rootdepth;
1895 unsigned long nitems, bytes_after;
1896 Atom atype;
1897 unsigned char *prop = NULL;
1898 Window root, oldp, *list;
1899 Pixmap rootpixmap = None;
1900 XWindowAttributes wattr, wrootattr;
1901
1902 pchanged = 0;
1903
1904 if (!(R->Options & Opt_transparent))
1905 return pchanged; /* Don't try any more */
1906
1907 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1908 rootdepth = wrootattr.depth;
1909
1910 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1911 if (rootdepth != wattr.depth) {
1912 if (R->am_transparent) {
1913 pchanged = 1;
1914 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1915 R->PixColors[Color_bg]);
1916 R->am_transparent = R->am_pixmap_trans = 0;
1917 }
1918 return pchanged; /* Don't try any more */
1919 }
1920
1921/* Get all X ops out of the queue so that our information is up-to-date. */
1922 XSync(R->Xdisplay, False);
1923
1924/*
1925 * Make the frame window set by the window manager have
1926 * the root background. Some window managers put multiple nested frame
1927 * windows for each client, so we have to take care about that.
1928 */
1929 i = (R->xa[XA_XROOTPMAPID] != 0
1930 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1931 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1932 &nitems, &bytes_after, &prop) == Success));
1933 if (!i || prop == NULL)
1934 have_pixmap = 0;
1935 else {
1936 have_pixmap = 1;
1937 rootpixmap = *((Pixmap *)prop);
1938 XFree(prop);
1939 }
1940 if (have_pixmap) {
1941/*
1942 * Copy Xroot pixmap transparency
1943 */
1944 int sx, sy, nx, ny;
1945 unsigned int nw, nh;
1946 Window cr;
1947 XImage *image;
1948 GC gc;
1949 XGCValues gcvalue;
1950
1951 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1952 0, 0, &sx, &sy, &cr);
1953 nw = (unsigned int)R->szHint.width;
1954 nh = (unsigned int)R->szHint.height;
1955 nx = ny = 0;
1956 if (sx < 0) {
1957 nw += sx;
1958 nx = -sx;
1959 sx = 0;
1960 }
1961 if (sy < 0) {
1962 nh += sy;
1963 ny = -sy;
1964 sy = 0;
1965 }
1966 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1967 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1968 R->allowedxerror = -1;
1969 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1970 ZPixmap);
1971 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1972 /* XXX: may need a delay here? */
1973 R->allowedxerror = 0;
1974 if (image == NULL) {
1975 if (R->am_transparent && R->am_pixmap_trans) {
1976 pchanged = 1;
1977 if (R->TermWin.pixmap != None) {
1978 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1979 R->TermWin.pixmap = None;
1980 }
1981 }
1982 R->am_pixmap_trans = 0;
1983 } else {
1984 if (R->TermWin.pixmap != None)
1985 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1986 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1987 (unsigned int)R->szHint.width,
1988 (unsigned int)R->szHint.height,
1989 (unsigned int)image->depth);
1990 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1991 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1992 nx, ny, (unsigned int)image->width,
1993 (unsigned int)image->height);
1994 XFreeGC(R->Xdisplay, gc);
1995 XDestroyImage(image);
1996 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1997 R->TermWin.pixmap);
1998 if (!R->am_transparent || !R->am_pixmap_trans)
1999 pchanged = 1;
2000 R->am_transparent = R->am_pixmap_trans = 1;
2001 }
2002 }
2003 if (!R->am_pixmap_trans) {
2004 unsigned int n;
2005/*
2006 * InheritPixmap transparency
2007 */
2008 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2009 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2010 i++) {
2011 oldp = R->TermWin.parent[i];
2012 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2013 &R->TermWin.parent[i], &list, &n);
2014 XFree(list);
2015 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2016 if (R->TermWin.parent[i] == Xroot) {
2017 if (oldp != None)
2018 pchanged = 1;
2019 break;
2020 }
2021 if (oldp != R->TermWin.parent[i])
2022 pchanged = 1;
2023 }
2024 n = 0;
2025 if (pchanged) {
2026 for (; n < (unsigned int)i; n++) {
2027 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2028 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2029 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2030 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2031 break;
2032 }
2033 }
2034 }
2035 if (n > (int)(sizeof(R->TermWin.parent)
2036 / sizeof(R->TermWin.parent[0]))) {
2037 D_X((stderr, "InheritPixmap Turning off"));
2038 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2039 R->PixColors[Color_fg]);
2040 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2041 R->PixColors[Color_bg]);
2042 R->am_transparent = 0;
2043 /* XXX: also turn off Opt_transparent? */
2044 } else {
2045 /* wait (an arbitrary period) for the WM to do its thing
2046 * needed for fvwm2.2.2 (and before?) */
2047# ifdef HAVE_NANOSLEEP
2048 struct timespec rqt;
2049
2050 rqt.tv_sec = 1;
2051 rqt.tv_nsec = 0;
2052 nanosleep(&rqt, NULL);
2053# else
2054 sleep(1);
2055# endif
2056 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2057 for (n = 0; n < (unsigned int)i; n++)
2058 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2059 ParentRelative);
2060 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2061 ParentRelative);
2062 R->am_transparent = 1;
2063 }
2064 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2065 R->TermWin.parent[i] = None;
2066 }
2067 return pchanged;
2068}
2069#endif
2070
2071/*}}} */
2072 2441
2073/*{{{ print pipe */ 2442/*{{{ print pipe */
2074/*----------------------------------------------------------------------*/ 2443/*----------------------------------------------------------------------*/
2075#ifdef PRINTPIPE 2444#ifdef PRINTPIPE
2076/* EXTPROTO */ 2445FILE * ecb_cold
2077FILE *
2078rxvt_popen_printer(pR) 2446rxvt_term::popen_printer ()
2079{ 2447{
2080 FILE *stream = popen(R->rs[Rs_print_pipe], "w"); 2448 FILE *stream = popen (rs[Rs_print_pipe] ? rs[Rs_print_pipe] : PRINTPIPE, "w");
2081 2449
2082 if (stream == NULL) 2450 if (stream == NULL)
2083 rxvt_print_error("can't open printer pipe"); 2451 rxvt_warn ("can't open printer pipe, not printing.\n");
2452
2084 return stream; 2453 return stream;
2085} 2454}
2086 2455
2087/* EXTPROTO */ 2456int ecb_cold
2088int
2089rxvt_pclose_printer(FILE *stream) 2457rxvt_term::pclose_printer (FILE *stream)
2090{ 2458{
2091 fflush(stream); 2459 fflush (stream);
2092/* pclose() reported not to work on SunOS 4.1.3 */
2093# if defined (__sun__) /* TODO: RESOLVE THIS */
2094/* pclose works provided SIGCHLD handler uses waitpid */
2095 return pclose(stream); /* return fclose (stream); */
2096# else
2097 return pclose(stream); 2460 return pclose (stream);
2098# endif
2099} 2461}
2100 2462
2101/* 2463/*
2102 * simulate attached vt100 printer 2464 * simulate attached vt100 printer
2103 */ 2465 */
2104/* INTPROTO */ 2466void ecb_cold
2105void
2106rxvt_process_print_pipe(pR) 2467rxvt_term::process_print_pipe ()
2107{ 2468{
2108 int done; 2469 FILE *fd = popen_printer ();
2109 FILE *fd;
2110 2470
2111 if ((fd = rxvt_popen_printer(aR)) == NULL) 2471 if (!fd)
2112 return; 2472 return;
2113 2473
2114/* 2474 /*
2115 * 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
2116 * is received. 2476 * is received.
2117 */ 2477 */
2118 for (done = 0; !done;) { 2478 for (int done = 0; !done; )
2479 {
2119 unsigned char buf[8]; 2480 unsigned char buf[8];
2120 unsigned char ch; 2481 unicode_t ch;
2121 unsigned int i, len; 2482 unsigned int i, len;
2122 2483
2123 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) { 2484 if ((ch = cmd_getc ()) != C0_ESC)
2485 {
2124 if (putc(ch, fd) == EOF) 2486 if (putc (ch, fd) == EOF)
2125 break; /* done = 1 */ 2487 break; /* done = 1 */
2126 } else { 2488 }
2489 else
2490 {
2127 len = 0; 2491 len = 0;
2128 buf[len++] = ch; 2492 buf[len++] = ch;
2129 2493
2130 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') { 2494 if ((buf[len++] = cmd_getc ()) == '[')
2131 if ((ch = rxvt_cmd_getc(aR)) == '?') { 2495 {
2132 buf[len++] = '?'; 2496 if ((ch = cmd_getc ()) == '?')
2133 ch = rxvt_cmd_getc(aR); 2497 {
2134 } 2498 buf[len++] = '?';
2499 ch = cmd_getc ();
2500 }
2135 if ((buf[len++] = ch) == '4') { 2501 if ((buf[len++] = ch) == '4')
2502 {
2136 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i') 2503 if ((buf[len++] = cmd_getc ()) == 'i')
2137 break; /* done = 1 */ 2504 break; /* done = 1 */
2138 } 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 }
2139 } 2515 }
2140 for (i = 0; i < len; i++) 2516
2141 if (putc(buf[i], fd) == EOF) {
2142 done = 1;
2143 break;
2144 }
2145 }
2146 }
2147 rxvt_pclose_printer(fd); 2517 pclose_printer (fd);
2148} 2518}
2149#endif /* PRINTPIPE */ 2519#endif /* PRINTPIPE */
2150/*}}} */ 2520/*}}} */
2151 2521
2152/* *INDENT-OFF* */
2153enum { 2522enum {
2154 C1_40 = 0x40, 2523 C1_40 = 0x40,
2155 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,
2156 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,
2157 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,
2158 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,
2159}; 2528};
2160/* *INDENT-ON* */
2161 2529
2162/*{{{ process non-printing single characters */ 2530/*{{{ process non-printing single characters */
2163/* INTPROTO */ 2531void ecb_hot
2164void 2532rxvt_term::process_nonprinting (unicode_t ch)
2165rxvt_process_nonprinting(pR_ unsigned char ch)
2166{ 2533{
2167 switch (ch) { 2534 switch (ch)
2535 {
2536 case C0_ESC:
2537 process_escape_seq ();
2538 break;
2168 case C0_ENQ: /* terminal Status */ 2539 case C0_ENQ: /* terminal Status */
2169 if (R->rs[Rs_answerbackstring]) 2540 if (rs[Rs_answerbackstring])
2170 rxvt_tt_write(aR_ 2541 tt_write (rs [Rs_answerbackstring], strlen (rs [Rs_answerbackstring]));
2171 (const unsigned char *)R->rs[Rs_answerbackstring], 2542 else
2172 (unsigned int)STRLEN(R->rs[Rs_answerbackstring])); 2543 tt_write (VT100_ANS, strlen (VT100_ANS));
2173 else 2544 break;
2174 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2175 (unsigned int)STRLEN(VT100_ANS));
2176 break;
2177 case C0_BEL: /* bell */ 2545 case C0_BEL: /* bell */
2178 rxvt_scr_bell(aR); 2546 scr_bell ();
2179 break; 2547 break;
2180 case C0_BS: /* backspace */ 2548 case C0_BS: /* backspace */
2181 rxvt_scr_backspace(aR); 2549 scr_backspace ();
2182 break; 2550 break;
2183 case C0_HT: /* tab */ 2551 case C0_HT: /* tab */
2184 rxvt_scr_tab(aR_ 1); 2552 scr_tab (1);
2185 break; 2553 break;
2186 case C0_CR: /* carriage return */ 2554 case C0_CR: /* carriage return */
2187 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 2555 scr_gotorc (0, 0, R_RELATIVE);
2188 break; 2556 break;
2189 case C0_VT: /* vertical tab, form feed */ 2557 case C0_VT: /* vertical tab, form feed */
2190 case C0_FF: 2558 case C0_FF:
2191 case C0_LF: /* line feed */ 2559 case C0_LF: /* line feed */
2192 rxvt_scr_index(aR_ UP); 2560 scr_index (UP);
2193 break; 2561 break;
2194 case C0_SO: /* shift out - acs */ 2562 case C0_SO: /* shift out - acs */
2195 rxvt_scr_charset_choose(aR_ 1); 2563 scr_charset_choose (1);
2196 break; 2564 break;
2197 case C0_SI: /* shift in - acs */ 2565 case C0_SI: /* shift in - acs */
2198 rxvt_scr_charset_choose(aR_ 0); 2566 scr_charset_choose (0);
2199 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
2200 } 2581 }
2201} 2582}
2202/*}}} */ 2583/*}}} */
2203 2584
2204 2585
2205/*{{{ process VT52 escape sequences */ 2586/*{{{ process VT52 escape sequences */
2206/* INTPROTO */ 2587void ecb_cold
2207void 2588rxvt_term::process_escape_vt52 (unicode_t ch)
2208rxvt_process_escape_vt52(pR_ unsigned char ch)
2209{ 2589{
2210 int row, col; 2590 int row, col;
2591
2592 switch (ch)
2211 2593 {
2212 switch (ch) {
2213 case 'A': /* cursor up */ 2594 case 'A': /* cursor up */
2214 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE); 2595 scr_gotorc (-1, 0, R_RELATIVE | C_RELATIVE);
2215 break; 2596 break;
2216 case 'B': /* cursor down */ 2597 case 'B': /* cursor down */
2217 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE); 2598 scr_gotorc (1, 0, R_RELATIVE | C_RELATIVE);
2218 break; 2599 break;
2219 case 'C': /* cursor right */ 2600 case 'C': /* cursor right */
2220 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 2601 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
2221 break; 2602 break;
2222 case 'D': /* cursor left */ 2603 case 'D': /* cursor left */
2223 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 2604 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
2224 break; 2605 break;
2225 case 'H': /* cursor home */ 2606 case 'H': /* cursor home */
2226 rxvt_scr_gotorc(aR_ 0, 0, 0); 2607 scr_gotorc (0, 0, 0);
2227 break; 2608 break;
2228 case 'I': /* cursor up and scroll down if needed */ 2609 case 'I': /* cursor up and scroll down if needed */
2229 rxvt_scr_index(aR_ DN); 2610 scr_index (DN);
2230 break; 2611 break;
2231 case 'J': /* erase to end of screen */ 2612 case 'J': /* erase to end of screen */
2232 rxvt_scr_erase_screen(aR_ 0); 2613 scr_erase_screen (0);
2233 break; 2614 break;
2234 case 'K': /* erase to end of line */ 2615 case 'K': /* erase to end of line */
2235 rxvt_scr_erase_line(aR_ 0); 2616 scr_erase_line (0);
2236 break; 2617 break;
2237 case 'Y': /* move to specified row and col */ 2618 case 'Y': /* move to specified row and col */
2238 /* full command is 'ESC Y row col' where row and col 2619 /* full command is 'ESC Y row col' where row and col
2239 * are encoded by adding 32 and sending the ascii 2620 * are encoded by adding 32 and sending the ascii
2240 * character. eg. SPACE = 0, '+' = 13, '0' = 18, 2621 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2241 * etc. */ 2622 * etc. */
2242 row = rxvt_cmd_getc(aR) - ' '; 2623 row = cmd_getc () - ' ';
2243 col = rxvt_cmd_getc(aR) - ' '; 2624 col = cmd_getc () - ' ';
2244 rxvt_scr_gotorc(aR_ row, col, 0); 2625 scr_gotorc (row, col, 0);
2245 break; 2626 break;
2246 case 'Z': /* identify the terminal type */ 2627 case 'Z': /* identify the terminal type */
2247 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 */
2248 break; 2629 break;
2249 case '<': /* turn off VT52 mode */ 2630 case '<': /* turn off VT52 mode */
2250 PrivMode(0, PrivMode_vt52); 2631 priv_modes &= ~PrivMode_vt52;
2251 break; 2632 break;
2252 case 'F': /* use special graphics character set */ 2633 case 'F': /* use special graphics character set */
2253 case 'G': /* use regular character set */ 2634 case 'G': /* use regular character set */
2254 /* unimplemented */ 2635 /* unimplemented */
2255 break; 2636 break;
2256 case '=': /* use alternate keypad mode */ 2637 case '=': /* use alternate keypad mode */
2257 case '>': /* use regular keypad mode */ 2638 case '>': /* use regular keypad mode */
2258 /* unimplemented */ 2639 /* unimplemented */
2259 break; 2640 break;
2260 } 2641 }
2261} 2642}
2262/*}}} */ 2643/*}}} */
2263 2644
2264 2645
2265/*{{{ process escape sequences */ 2646/*{{{ process escape sequences */
2266/* INTPROTO */ 2647void ecb_hot
2267void
2268rxvt_process_escape_seq(pR) 2648rxvt_term::process_escape_seq ()
2269{ 2649{
2270 unsigned char ch = rxvt_cmd_getc(aR); 2650 unicode_t ch = cmd_getc ();
2271 2651
2272 if (R->PrivateModes & PrivMode_vt52) { 2652 if (priv_modes & PrivMode_vt52)
2273 rxvt_process_escape_vt52(aR_ ch);
2274 return;
2275 }
2276 2653 {
2654 process_escape_vt52 (ch);
2655 return;
2656 }
2657
2277 switch (ch) { 2658 switch (ch)
2278 /* case 1: do_tek_mode (); break; */ 2659 {
2279 case '#': 2660 case '#':
2280 if (rxvt_cmd_getc(aR) == '8') 2661 if (cmd_getc () == '8')
2281 rxvt_scr_E(aR); 2662 scr_E ();
2282 break; 2663 break;
2283 case '(': 2664 case '(':
2284 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR)); 2665 scr_charset_set (0, (unsigned int)cmd_getc ());
2285 break; 2666 break;
2286 case ')': 2667 case ')':
2287 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR)); 2668 scr_charset_set (1, (unsigned int)cmd_getc ());
2288 break; 2669 break;
2289 case '*': 2670 case '*':
2290 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR)); 2671 scr_charset_set (2, (unsigned int)cmd_getc ());
2291 break; 2672 break;
2292 case '+': 2673 case '+':
2293 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR)); 2674 scr_charset_set (3, (unsigned int)cmd_getc ());
2294 break; 2675 break;
2295#ifdef MULTICHAR_SET 2676#if !ENABLE_MINIMAL
2296 case '$':
2297 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2298 break;
2299#endif
2300#ifndef NO_FRILLS
2301 case '6': 2677 case '6':
2302 rxvt_scr_backindex(aR); 2678 scr_backindex ();
2303 break; 2679 break;
2304#endif 2680#endif
2305 case '7': 2681 case '7':
2306 rxvt_scr_cursor(aR_ SAVE); 2682 scr_cursor (SAVE);
2307 break; 2683 break;
2308 case '8': 2684 case '8':
2309 rxvt_scr_cursor(aR_ RESTORE); 2685 scr_cursor (RESTORE);
2310 break; 2686 break;
2311#ifndef NO_FRILLS 2687#if !ENABLE_MINIMAL
2312 case '9': 2688 case '9':
2313 rxvt_scr_forwardindex(aR); 2689 scr_forwardindex ();
2314 break; 2690 break;
2315#endif 2691#endif
2692 // DECPAM/DECPNM
2316 case '=': 2693 case '=':
2694 priv_modes |= PrivMode_aplKP;
2695 break;
2317 case '>': 2696 case '>':
2318 PrivMode((ch == '='), PrivMode_aplKP); 2697 priv_modes &= ~PrivMode_aplKP;
2319 break; 2698 break;
2320 2699
2321 case C1_40: 2700 case C1_40:
2322 rxvt_cmd_getc(aR); 2701 cmd_getc ();
2323 break; 2702 break;
2324 case C1_44: 2703 case C1_44:
2325 rxvt_scr_index(aR_ UP); 2704 scr_index (UP);
2326 break; 2705 break;
2327 2706
2328 /* 8.3.87: NEXT LINE */ 2707 /* 8.3.87: NEXT LINE */
2329 case C1_NEL: /* ESC E */ 2708 case C1_NEL: /* ESC E */
2330 {
2331 uint32_t nlcr[] = { '\n', '\r' };
2332 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2333 } 2709 {
2334 break; 2710 wchar_t nlcr[] = { C0_LF, C0_CR };
2711 scr_add_lines (nlcr, ecb_array_length (nlcr), 1);
2712 }
2713 break;
2335 2714
2715#if 0 // disabled because embedded newlines can make exploits easier
2336 /* kidnapped escape sequence: Should be 8.3.48 */ 2716 /* kidnapped escape sequence: Should be 8.3.48 */
2337 case C1_ESA: /* ESC G */ 2717 case C1_ESA: /* ESC G */
2338 rxvt_process_graphics(aR); 2718 // used by original rxvt for rob nations own graphics mode
2339 break; 2719 if (cmd_getc () == 'Q' && option (Opt_insecure))
2720 tt_printf ("\033G0\012"); /* query graphics - no graphics */
2721 break;
2722#endif
2340 2723
2341 /* 8.3.63: CHARACTER TABULATION SET */ 2724 /* 8.3.63: CHARACTER TABULATION SET */
2342 case C1_HTS: /* ESC H */ 2725 case C1_HTS: /* ESC H */
2343 rxvt_scr_set_tab(aR_ 1); 2726 scr_set_tab (1);
2344 break; 2727 break;
2345 2728
2346 /* 8.3.105: REVERSE LINE FEED */ 2729 /* 8.3.105: REVERSE LINE FEED */
2347 case C1_RI: /* ESC M */ 2730 case C1_RI: /* ESC M */
2348 rxvt_scr_index(aR_ DN); 2731 scr_index (DN);
2349 break; 2732 break;
2350 2733
2351 /* 8.3.142: SINGLE-SHIFT TWO */ 2734 /* 8.3.142: SINGLE-SHIFT TWO */
2352 /*case C1_SS2: scr_single_shift (2); break; */ 2735 /* case C1_SS2: break; */
2353 2736
2354 /* 8.3.143: SINGLE-SHIFT THREE */ 2737 /* 8.3.143: SINGLE-SHIFT THREE */
2355 /*case C1_SS3: scr_single_shift (3); break; */ 2738 /* case C1_SS3: break; */
2356 2739
2357 /* 8.3.27: DEVICE CONTROL STRING */ 2740 /* 8.3.27: DEVICE CONTROL STRING */
2358 case C1_DCS: /* ESC P */ 2741 case C1_DCS: /* ESC P */
2359 rxvt_process_dcs_seq(aR); 2742 process_dcs_seq ();
2360 break; 2743 break;
2361 2744
2362 /* 8.3.110: SINGLE CHARACTER INTRODUCER */ 2745 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2363 case C1_SCI: /* ESC Z */ 2746 case C1_SCI: /* ESC Z */
2364 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER, 2747 tt_write (ESCZ_ANSWER, sizeof (ESCZ_ANSWER) - 1);
2365 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2366 break; /* steal obsolete ESC [ c */ 2748 break; /* steal obsolete ESC [ c */
2367 2749
2368 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */ 2750 /* 8.3.16: CONTROL SEQUENCE INTRODUCER (CSI) */
2369 case C1_CSI: /* ESC [ */ 2751 case C1_CSI: /* ESC [ */
2370 rxvt_process_csi_seq(aR); 2752 process_csi_seq ();
2371 break; 2753 break;
2372 2754
2373 /* 8.3.90: OPERATING SYSTEM COMMAND */ 2755 /* 8.3.90: OPERATING SYSTEM COMMAND (OSC) */
2374 case C1_OSC: /* ESC ] */ 2756 case C1_OSC: /* ESC ] */
2375 rxvt_process_osc_seq(aR); 2757 process_osc_seq ();
2376 break; 2758 break;
2377 2759
2378 /* 8.3.106: RESET TO INITIAL STATE */ 2760 /* 8.3.106: RESET TO INITIAL STATE (RIS) */
2379 case 'c': 2761 case 'c':
2380 rxvt_scr_poweron(aR); 2762 mbstate.reset ();
2381 rxvt_scrollbar_show(aR_ 1); 2763 scr_poweron ();
2382 break; 2764 scrollBar.show (1);
2765 break;
2383 2766
2384 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */ 2767 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2385 case 'n': 2768 case 'n':
2386 rxvt_scr_charset_choose(aR_ 2); 2769 scr_charset_choose (2);
2387 break; 2770 break;
2388 2771
2389 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */ 2772 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2390 case 'o': 2773 case 'o':
2391 rxvt_scr_charset_choose(aR_ 3); 2774 scr_charset_choose (3);
2392 break; 2775 break;
2393 } 2776 }
2394} 2777}
2395/*}}} */ 2778/*}}} */
2396 2779
2397/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */ 2780/*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2398/* *INDENT-OFF* */
2399enum { 2781enum {
2400 CSI_ICH = 0x40, 2782 CSI_ICH = 0x40,
2401 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,
2402 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 ,
2403 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,
2404 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,
2405 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,
2406 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,
2407 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 ,
2408 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
2409}; 2791};
2410 2792
2411#define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \ 2793#define make_byte(b0,b1,b2,b3,b4,b5,b6,b7) \
2412 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \ 2794 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2413 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0)) 2795 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2414#define get_byte_array_bit(array, bit) \ 2796#define get_byte_array_bit(array, bit) \
2415 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7)))) 2797 (!! ((array)[(bit) >> 3] & (1 << ((bit) & 7))))
2416 2798
2417const unsigned char csi_defaults[] = { 2799static const unsigned char csi_defaults[] =
2800 {
2418 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, */
2419 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, */
2420 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, */
2421 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, [, \, ], ^, _, */
2422 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, */
2423 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, */
2424 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, */
2425 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, {, |, }, ~, */
2426}; 2809 };
2427/* *INDENT-ON* */
2428 2810
2429/* 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
2430void 3143void
2431rxvt_process_csi_seq(pR)
2432{
2433 unsigned char ch, priv, i;
2434 unsigned int nargs, p;
2435 int n, ndef;
2436 int arg[ESC_ARGS];
2437
2438 for (nargs = ESC_ARGS; nargs > 0;)
2439 arg[--nargs] = 0;
2440
2441 priv = 0;
2442 ch = rxvt_cmd_getc(aR);
2443 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2444 priv = ch;
2445 ch = rxvt_cmd_getc(aR);
2446 }
2447/* read any numerical arguments */
2448 for (n = -1; ch < CSI_ICH; ) {
2449 if (isdigit(ch)) {
2450 if (n < 0)
2451 n = ch - '0';
2452 else
2453 n = n * 10 + ch - '0';
2454 } else if (ch == ';') {
2455 if (nargs < ESC_ARGS)
2456 arg[nargs++] = n;
2457 n = -1;
2458 } else if (ch == '\b') {
2459 rxvt_scr_backspace(aR);
2460 } else if (ch == C0_ESC) {
2461 rxvt_process_escape_seq(aR);
2462 return;
2463 } else if (ch < ' ') {
2464 rxvt_process_nonprinting(aR_ ch);
2465 }
2466 ch = rxvt_cmd_getc(aR);
2467 }
2468
2469 if (ch > CSI_7F)
2470 return;
2471
2472 if (nargs < ESC_ARGS)
2473 arg[nargs++] = n;
2474
2475 i = ch - CSI_ICH;
2476 ndef = get_byte_array_bit(csi_defaults, i);
2477 for (p = 0; p < nargs; p++)
2478 if (arg[p] == -1)
2479 arg[p] = ndef;
2480
2481#ifdef DEBUG_CMD
2482 fprintf(stderr, "CSI ");
2483 for (p = 0; p < nargs; p++)
2484 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2485 fprintf(stderr, "%c\n", ch);
2486#endif
2487
2488/*
2489 * private mode handling
2490 */
2491 if (priv) {
2492 switch (priv) {
2493 case '>':
2494 if (ch == CSI_DA) /* secondary device attributes */
2495 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2496 break;
2497 case '?':
2498 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2499 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2500 break;
2501 }
2502 return;
2503 }
2504
2505 switch (ch) {
2506/*
2507 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2508 */
2509#ifdef PRINTPIPE
2510 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2511 switch (arg[0]) {
2512 case 0: /* initiate transfer to primary aux device */
2513 rxvt_scr_printscreen(aR_ 0);
2514 break;
2515 case 5: /* start relay to primary aux device */
2516 rxvt_process_print_pipe(aR);
2517 break;
2518 }
2519 break;
2520#endif
2521
2522 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2523 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2524 arg[0] = -arg[0];
2525 /* FALLTHROUGH */
2526 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2527 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2528 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2529 break;
2530
2531 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2532 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2533#ifdef ISO6429
2534 arg[0] = -arg[0];
2535#else /* emulate common DEC VTs */
2536 arg[0] = arg[0] ? -arg[0] : -1;
2537#endif
2538 /* FALLTHROUGH */
2539 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2540 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2541#ifdef ISO6429
2542 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2543#else /* emulate common DEC VTs */
2544 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2545#endif
2546 break;
2547
2548 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2549 arg[0] = -arg[0];
2550 /* FALLTHROUGH */
2551 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2552 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2553 break;
2554
2555 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2556 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2557 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2558 break;
2559
2560 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2561 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2562 break;
2563
2564 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2565 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2566 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2567 break;
2568
2569 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2570 arg[0] = -arg[0];
2571 /* FALLTHROUGH */
2572 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2573 rxvt_scr_tab(aR_ arg[0]);
2574 break;
2575
2576 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2577 rxvt_scr_erase_screen(aR_ arg[0]);
2578 break;
2579
2580 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2581 rxvt_scr_erase_line(aR_ arg[0]);
2582 break;
2583
2584 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2585 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2586 break;
2587
2588 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2589 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2590 break;
2591
2592 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2593 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2594 break;
2595
2596 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2597 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2598 break;
2599
2600 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2601 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2602 break;
2603
2604 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2605 arg[0] = -arg[0];
2606 /* FALLTHROUGH */
2607 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2608 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2609 break;
2610
2611 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2612 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2613 (unsigned int)(sizeof(VT100_ANS) - 1));
2614 break;
2615
2616 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2617 rxvt_process_sgr_mode(aR_ nargs, arg);
2618 break;
2619
2620 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2621 switch (arg[0]) {
2622 case 5: /* DSR requested */
2623 rxvt_tt_printf(aR_ "\033[0n");
2624 break;
2625 case 6: /* CPR requested */
2626 rxvt_scr_report_position(aR);
2627 break;
2628#if defined (ENABLE_DISPLAY_ANSWER)
2629 case 7: /* unofficial extension */
2630 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]);
2631 break;
2632#endif
2633 case 8: /* unofficial extension */
2634 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2635 break;
2636 }
2637 break;
2638
2639 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2640 switch (arg[0]) {
2641 case 0: /* char tab stop cleared at active position */
2642 rxvt_scr_set_tab(aR_ 0);
2643 break;
2644 /* case 1: */ /* line tab stop cleared in active line */
2645 /* case 2: */ /* char tab stops cleared in active line */
2646 case 3: /* all char tab stops are cleared */
2647 /* case 4: */ /* all line tab stops are cleared */
2648 case 5: /* all tab stops are cleared */
2649 rxvt_scr_set_tab(aR_ -1);
2650 break;
2651 }
2652 break;
2653
2654 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2655 switch (arg[0]) {
2656 case 0: /* char tab stop set at active position */
2657 rxvt_scr_set_tab(aR_ 1);
2658 break; /* = ESC H */
2659 /* case 1: */ /* line tab stop set at active line */
2660 case 2: /* char tab stop cleared at active position */
2661 rxvt_scr_set_tab(aR_ 0);
2662 break; /* = ESC [ 0 g */
2663 /* case 3: */ /* line tab stop cleared at active line */
2664 /* case 4: */ /* char tab stops cleared at active line */
2665 case 5: /* all char tab stops are cleared */
2666 rxvt_scr_set_tab(aR_ -1);
2667 break; /* = ESC [ 3 g */
2668 /* case 6: */ /* all line tab stops are cleared */
2669 }
2670 break;
2671
2672 case CSI_RM: /* 8.3.107: RESET MODE */
2673 if (arg[0] == 4)
2674 rxvt_scr_insert_mode(aR_ 0);
2675 break;
2676
2677 case CSI_SM: /* 8.3.126: SET MODE */
2678 if (arg[0] == 4)
2679 rxvt_scr_insert_mode(aR_ 1);
2680 break;
2681
2682/*
2683 * PRIVATE USE beyond this point. All CSI_7? sequences here
2684 */
2685 case CSI_72: /* DECSTBM: set top and bottom margins */
2686 if (nargs == 1)
2687 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2688 else if (nargs == 0 || arg[0] >= arg[1])
2689 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2690 else
2691 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2692 break;
2693
2694 case CSI_73:
2695 rxvt_scr_cursor(aR_ SAVE);
2696 break;
2697 case CSI_75:
2698 rxvt_scr_cursor(aR_ RESTORE);
2699 break;
2700
2701#ifndef NO_FRILLS
2702 case CSI_74:
2703 rxvt_process_window_ops(aR_ arg, nargs);
2704 break;
2705#endif
2706
2707 case CSI_78: /* DECREQTPARM */
2708 if (arg[0] == 0 || arg[0] == 1)
2709 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2710 /* FALLTHROUGH */
2711
2712 default:
2713 break;
2714 }
2715}
2716/*}}} */
2717
2718#ifndef NO_FRILLS
2719/* ARGSUSED */
2720/* INTPROTO */
2721void
2722rxvt_process_window_ops(pR_ const int *args, unsigned int nargs) 3144rxvt_term::process_window_ops (const int *args, unsigned int nargs)
2723{ 3145{
2724 int x, y; 3146 int x, y;
2725#if 0
2726 char *s;
2727#endif
2728 XWindowAttributes wattr; 3147 XWindowAttributes wattr;
2729 Window wdummy; 3148 Window wdummy;
2730 3149
3150 dLocal (Display *, dpy);
3151
2731 if (nargs == 0) 3152 if (nargs == 0)
2732 return; 3153 return;
3154
2733 switch (args[0]) { 3155 switch (args[0])
3156 {
2734 /* 3157 /*
2735 * commands 3158 * commands
2736 */ 3159 */
2737 case 1: /* deiconify window */ 3160 case 1: /* deiconify window */
2738 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 3161 XMapWindow (dpy, parent);
2739 break; 3162 break;
2740 case 2: /* iconify window */ 3163 case 2: /* iconify window */
2741 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0], 3164 XIconifyWindow (dpy, parent, display->screen);
2742 DefaultScreen(R->Xdisplay)); 3165 break;
2743 break;
2744 case 3: /* set position (pixels) */ 3166 case 3: /* set position (pixels) */
2745 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]); 3167 XMoveWindow (dpy, parent, args[1], args[2]);
2746 break; 3168 break;
2747 case 4: /* set size (pixels) */ 3169 case 4: /* set size (pixels) */
2748 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]); 3170 set_widthheight ((unsigned int)args[2], (unsigned int)args[1]);
2749 break; 3171 break;
2750 case 5: /* raise window */ 3172 case 5: /* raise window */
2751 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]); 3173 XRaiseWindow (dpy, parent);
2752 break; 3174 break;
2753 case 6: /* lower window */ 3175 case 6: /* lower window */
2754 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]); 3176 XLowerWindow (dpy, parent);
2755 break; 3177 break;
2756 case 7: /* refresh window */ 3178 case 7: /* refresh window */
2757 rxvt_scr_touch(aR_ True); 3179 scr_touch (true);
2758 break; 3180 break;
2759 case 8: /* set size (chars) */ 3181 case 8: /* set size (chars) */
2760 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth), 3182 set_widthheight ((unsigned int) (args[2] * fwidth),
2761 (unsigned int)(args[1] * R->TermWin.fheight)); 3183 (unsigned int) (args[1] * fheight));
2762 break; 3184 break;
3185
3186 //case 9: NYI, TODO, restore maximized window or maximize window
2763 default: 3187 default:
2764 if (args[0] >= 24) /* set height (chars) */ 3188 if (args[0] >= 24) /* set height (chars) */
2765 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width, 3189 set_widthheight ((unsigned int)vt_width,
2766 (unsigned int)(args[1] * R->TermWin.fheight)); 3190 (unsigned int) (args[1] * fheight));
2767 break; 3191 break;
3192
2768 /* 3193 /*
2769 * reports - some output format copied from XTerm 3194 * reports - some output format copied from XTerm
2770 */ 3195 */
2771 case 11: /* report window state */ 3196 case 11: /* report window state */
2772 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3197 XGetWindowAttributes (dpy, parent, &wattr);
2773 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2); 3198 tt_printf ("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2774 break; 3199 break;
2775 case 13: /* report window position */ 3200 case 13: /* report window position */
2776 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3201 XGetWindowAttributes (dpy, parent, &wattr);
2777 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root, 3202 XTranslateCoordinates (dpy, parent, wattr.root,
2778 -wattr.border_width, -wattr.border_width, 3203 -wattr.border_width, -wattr.border_width,
2779 &x, &y, &wdummy); 3204 &x, &y, &wdummy);
2780 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y); 3205 tt_printf ("\033[3;%d;%dt", x, y);
2781 break; 3206 break;
2782 case 14: /* report window size (pixels) */ 3207 case 14: /* report window size (pixels) */
2783 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 3208 XGetWindowAttributes (dpy, parent, &wattr);
2784 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width); 3209 tt_printf ("\033[4;%d;%dt", wattr.height, wattr.width);
2785 break; 3210 break;
3211 case 18: /* report text area size (chars) */
3212 tt_printf ("\033[8;%d;%dt", nrow, ncol);
3213 break;
2786 case 18: /* report window size (chars) */ 3214 case 19: /* report window size (chars) */
2787 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol); 3215 tt_printf ("\033[9;%d;%dt", nrow, ncol);
2788 break; 3216 break;
2789#if 0 /* XXX: currently disabled due to security concerns */
2790 case 20: /* report icon label */ 3217 case 20: /* report icon label */
2791 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s); 3218 {
2792 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */ 3219 char *s;
2793 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;
2794 case 21: /* report window title */ 3225 case 21: /* report window title */
2795 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s); 3226 {
2796 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */ 3227 char *s;
2797 break; 3228 XFetchName (dpy, parent, &s);
2798#endif 3229 tt_printf ("\033]l%-.250s\234", option (Opt_insecure) && s ? s : ""); /* 8bit ST */
3230 XFree (s);
3231 }
3232 break;
2799 } 3233 }
2800} 3234}
2801#endif 3235#endif
2802 3236
2803/*----------------------------------------------------------------------*/ 3237/*----------------------------------------------------------------------*/
2804/* 3238/*
2805 * get input up until STRING TERMINATOR (or BEL) 3239 * get input up until STRING TERMINATOR (or BEL)
2806 * ends_how is terminator used. returned input must be free()d 3240 * ends_how is terminator used. returned input must be free()'d
2807 */ 3241 */
2808/* INTPROTO */ 3242char *
2809unsigned char * 3243rxvt_term::get_to_st (string_term &st)
2810rxvt_get_to_st(pR_ unsigned char *ends_how)
2811{ 3244{
2812 int seen_esc = 0; /* seen escape? */ 3245 unicode_t ch;
3246 bool seen_esc = false;
2813 unsigned int n = 0; 3247 unsigned int n = 0;
2814 unsigned char *s; 3248 wchar_t string[CBUFSIZ];
2815 unsigned char ch, string[STRING_MAX];
2816 3249
2817 for (; (ch = rxvt_cmd_getc(aR));) { 3250 while ((ch = cmd_getc ()) != NOCHAR)
2818 if (ch == C0_BEL 3251 {
2819 || ch == CHAR_ST 3252 if (seen_esc)
2820 || (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)
2821 break; 3265 break;
2822 if (ch == C0_ESC) { 3266 else if (ch == C0_SYN)
2823 seen_esc = 1; 3267 ch = cmd_get8 ();
2824 continue; 3268 else if (ch < 0x20)
2825 } else if (ch == '\t')
2826 ch = ' '; /* translate '\t' to space */
2827 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2828 return NULL; /* other control character - exit */ 3269 return NULL; /* other control character - exit */
3270
3271 seen_esc = false;
3272
2829 if (n < sizeof(string) - 1) 3273 if (n >= sizeof (string) - 1)
3274 // stop at some sane length
3275 return NULL;
3276
2830 string[n++] = ch; 3277 string[n++] = ch;
2831 seen_esc = 0;
2832 } 3278 }
3279
2833 string[n++] = '\0'; 3280 string[n++] = '\0';
2834 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL) 3281
2835 return NULL; 3282 n = 0;
2836 *ends_how = (ch == 0x5c ? C0_ESC : ch); 3283 if (ch == 0x5c)
2837 STRNCPY(s, string, n); 3284 st.v[n++] = C0_ESC;
2838 return s; 3285 st.v[n++] = ch;
3286 st.v[n] = '\0';
3287
3288 return rxvt_wcstombs (string);
2839} 3289}
2840 3290
2841/*----------------------------------------------------------------------*/ 3291/*----------------------------------------------------------------------*/
2842/* 3292/*
2843 * 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)'
2844 */ 3294 */
2845/* INTPROTO */
2846void 3295void
2847rxvt_process_dcs_seq(pR) 3296rxvt_term::process_dcs_seq ()
2848{ 3297{
2849 unsigned char eh, *s; 3298 /*
2850/*
2851 * Not handled yet 3299 * Not handled yet
2852 */ 3300 */
2853 s = rxvt_get_to_st(aR_ &eh); 3301
3302 string_term st;
3303 char *s = get_to_st (st);
2854 if (s) 3304 if (s)
2855 free(s); 3305 free (s);
3306
2856 return; 3307 return;
2857} 3308}
2858 3309
2859/*----------------------------------------------------------------------*/ 3310/*----------------------------------------------------------------------*/
2860/* 3311/*
2861 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)' 3312 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2862 */ 3313 */
2863/* INTPROTO */
2864void 3314void
2865rxvt_process_osc_seq(pR) 3315rxvt_term::process_osc_seq ()
2866{ 3316{
2867 unsigned char ch, eh, *s; 3317 int arg;
2868 int arg;
2869 3318
2870 ch = rxvt_cmd_getc(aR); 3319 unicode_t ch = cmd_getc ();
2871 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR)) 3320 for (arg = 0; isdigit (ch); ch = cmd_getc ())
2872 arg = arg * 10 + (ch - '0'); 3321 arg = arg * 10 + (ch - '0');
2873 3322
2874 if (ch == ';') { 3323 if (ch == ';')
2875 s = rxvt_get_to_st(aR_ &eh); 3324 {
2876 if (s) { 3325 string_term st;
2877 /* 3326 char *s = get_to_st (st);
2878 * rxvt_menubar_dispatch() violates the constness of the string, 3327
2879 * so do it here 3328 if (s)
2880 */ 3329 {
2881 if (arg == XTerm_Menu) 3330 process_xterm_seq (arg, s, st);
2882#if 0 /* XXX: currently disabled due to security concerns */ 3331 free (s);
2883 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 };
2884#else 3376 #else
2885 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 };
2886#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);
2887 else 3451 else
2888 rxvt_xterm_seq(aR_ arg, (char *)s, eh); 3452#endif
2889 free(s); 3453 snprintf (rgba_str, sizeof (rgba_str), "rgb:%04x/%04x/%04x", c.r, c.g, c.b);
2890 } 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);
2891 } 3459 }
3460 else
3461 set_window_color (color, str);
2892} 3462}
3463
2893/* 3464/*
2894 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL) 3465 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2895 * 0 = change iconName/title
2896 * 1 = change iconName
2897 * 2 = change title
2898 * 4 = change color
2899 * 12 = change text color
2900 * 13 = change mouse foreground color
2901 * 17 = change highlight character colour
2902 * 18 = change bold character color
2903 * 19 = change underlined character color
2904 * 46 = change logfile (not implemented)
2905 * 50 = change font
2906 *
2907 * rxvt extensions:
2908 * 10 = menu (may change in future)
2909 * 20 = bg pixmap
2910 * 39 = change default fg color
2911 * 49 = change default bg color
2912 * 55 = dump scrollback buffer and all of screen
2913 */ 3466 */
2914/* EXTPROTO */
2915void 3467void
2916rxvt_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)
2917{ 3469{
2918 int changed = 0; 3470 int color;
2919 int color;
2920 char *buf, *name; 3471 char *buf, *name;
3472 bool query = str[0] == '?' && !str[1];
3473 int saveop = op;
2921 3474
3475 dLocal (Display *, dpy);
3476
2922 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
2923 switch (op) { 3482 switch (op)
3483 {
2924 case XTerm_name: 3484 case XTerm_name:
2925 rxvt_set_title(aR_ str); 3485 set_title (str);
2926 /* FALLTHROUGH */ 3486 /* FALLTHROUGH */
2927 case XTerm_iconName: 3487 case XTerm_iconName:
2928 rxvt_set_iconName(aR_ str); 3488 set_icon_name (str);
2929 break; 3489 break;
2930 case XTerm_title: 3490 case XTerm_title:
2931 rxvt_set_title(aR_ str); 3491 set_title (str);
2932 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
2933 case XTerm_Color: 3532 case XTerm_Color:
2934 for (buf = (char *)str; buf && *buf;) { 3533 for (buf = (char *)str; buf && *buf;)
3534 {
2935 if ((name = STRCHR(buf, ';')) == NULL) 3535 if ((name = strchr (buf, ';')) == NULL)
2936 break; 3536 break;
3537
2937 *name++ = '\0'; 3538 *name++ = '\0';
2938 color = atoi(buf); 3539 color = atoi (buf) + minCOLOR;
2939 if (color < 0 || color >= TOTAL_COLORS) 3540
2940 break; 3541 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
3542 break;
3543
2941 if ((buf = STRCHR(name, ';')) != NULL) 3544 if ((buf = strchr (name, ';')) != NULL)
2942 *buf++ = '\0'; 3545 *buf++ = '\0';
2943 rxvt_set_window_color(aR_ color + minCOLOR, name); 3546
2944 } 3547 process_color_seq (op, color, name, st);
2945 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;
2946#ifndef NO_CURSORCOLOR 3558#ifndef NO_CURSORCOLOR
2947 case XTerm_Color_cursor: 3559 case XTerm_Color_cursor:
2948 rxvt_set_window_color(aR_ Color_cursor, str); 3560 process_color_seq (op, Color_cursor, str, st);
2949 break; 3561 break;
2950#endif 3562#endif
2951 case XTerm_Color_pointer: 3563 case XTerm_Color_pointer_fg:
2952 rxvt_set_window_color(aR_ Color_pointer, str); 3564 process_color_seq (op, Color_pointer_fg, str, st);
2953 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
2954#ifndef NO_BOLD_UNDERLINE_REVERSE 3577#ifndef NO_BOLD_UNDERLINE_REVERSE
2955 case XTerm_Color_BD: 3578 case URxvt_Color_BD:
2956 rxvt_set_window_color(aR_ Color_BD, str); 3579 process_color_seq (op, Color_BD, str, st);
2957 break; 3580 break;
2958 case XTerm_Color_UL: 3581 case URxvt_Color_UL:
2959 rxvt_set_window_color(aR_ Color_UL, str); 3582 process_color_seq (op, Color_UL, str, st);
2960 break; 3583 break;
2961 case XTerm_Color_RV: 3584 case URxvt_Color_IT:
2962 rxvt_set_window_color(aR_ Color_RV, str); 3585 process_color_seq (op, Color_IT, str, st);
2963 break; 3586 break;
2964#endif 3587#endif
3588 case URxvt_Color_border:
3589 process_color_seq (op, Color_border, str, st);
3590 break;
2965 3591
2966 case XTerm_Menu:
2967 /*
2968 * rxvt_menubar_dispatch() violates the constness of the string,
2969 * so DON'T do it here
2970 */
2971 break;
2972 case XTerm_Pixmap:
2973 if (*str != ';') {
2974#if XPM_BACKGROUND
2975 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2976 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2977#endif
2978 rxvt_scr_touch(aR_ True);
2979 }
2980 while ((str = STRCHR(str, ';')) != NULL) {
2981 str++;
2982#if XPM_BACKGROUND
2983 changed += rxvt_scale_pixmap(aR_ str);
2984#endif
2985 }
2986 if (changed) {
2987#ifdef XPM_BACKGROUND
2988 rxvt_resize_pixmap(aR);
2989#endif
2990 rxvt_scr_touch(aR_ True);
2991 }
2992 break;
2993
2994 case XTerm_restoreFG:
2995 rxvt_set_window_color(aR_ Color_fg, str);
2996 break;
2997 case XTerm_restoreBG:
2998 rxvt_set_window_color(aR_ Color_bg, str);
2999 break;
3000 case XTerm_logfile: 3592 case XTerm_logfile:
3001 break; 3593 // TODO, when secure mode?
3002 case XTerm_font: 3594 break;
3003 rxvt_change_font(aR_ 0, str); 3595
3004 break;
3005#if 0 3596#if 0
3006 case XTerm_dumpscreen: /* no error notices */ 3597 case Rxvt_dumpscreen: /* no error notices */
3007 { 3598 {
3008 int fd; 3599 int fd;
3009 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)
3010 rxvt_scr_dump(aR_ fd); 3601 {
3011 close(fd); 3602 scr_dump (fd);
3012 } 3603 close (fd);
3013 } 3604 }
3014 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;
3015#endif 3676#endif
3016 } 3677 }
3017} 3678}
3018/*----------------------------------------------------------------------*/ 3679/*----------------------------------------------------------------------*/
3019 3680
3025 * 's' = save 3686 * 's' = save
3026 * 'r' = restore 3687 * 'r' = restore
3027 * 't' = toggle 3688 * 't' = toggle
3028 * so no need for fancy checking 3689 * so no need for fancy checking
3029 */ 3690 */
3030/* INTPROTO */ 3691int ecb_cold
3031int
3032rxvt_privcases(pR_ int mode, unsigned long bit) 3692rxvt_term::privcases (int mode, unsigned long bit)
3033{ 3693{
3034 int state; 3694 int state;
3035 3695
3036 if (mode == 's') { 3696 if (mode == 's')
3037 R->SavedModes |= (R->PrivateModes & bit); 3697 {
3038 return -1; 3698 if (priv_modes & bit)
3699 SavedModes |= bit;
3039 } else { 3700 else
3701 SavedModes &= ~bit;
3702 return -1;
3703 }
3704 else
3705 {
3040 if (mode == 'r') 3706 if (mode == 'r')
3041 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */ 3707 state = (SavedModes & bit) ? 1 : 0; /* no overlapping */
3042 else 3708 else
3043 state = (mode == 't') ? !(R->PrivateModes & bit) : mode; 3709 state = (mode == 't') ? ! (priv_modes & bit) : mode;
3044 PrivMode(state, bit); 3710
3711 if (state)
3712 priv_modes |= bit;
3713 else
3714 priv_modes &= ~bit;
3045 } 3715 }
3716
3046 return state; 3717 return state;
3047} 3718}
3048 3719
3049/* we're not using priv _yet_ */ 3720/* we're not using priv _yet_ */
3050/* INTPROTO */
3051void 3721void
3052rxvt_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)
3053{ 3723{
3054 unsigned int i, j; 3724 unsigned int i, j;
3055 int state; 3725 int state;
3726
3056 static const struct { 3727 static const struct
3728 {
3057 const int argval; 3729 const int argval;
3058 const unsigned long bit; 3730 const unsigned long bit;
3059 } argtopriv[] = { 3731 } argtopriv[] = {
3060 { 1, PrivMode_aplCUR }, 3732 { 1, PrivMode_aplCUR }, // DECCKM
3061 { 2, PrivMode_vt52 }, 3733 { 2, PrivMode_vt52 }, // DECANM
3062 { 3, PrivMode_132 }, 3734 { 3, PrivMode_132 }, // DECCOLM
3063 { 4, PrivMode_smoothScroll }, 3735 { 4, PrivMode_smoothScroll }, // DECSCLM
3064 { 5, PrivMode_rVideo }, 3736 { 5, PrivMode_rVideo }, // DECSCNM
3065 { 6, PrivMode_relOrigin }, 3737 { 6, PrivMode_relOrigin }, // DECOM
3066 { 7, PrivMode_Autowrap }, 3738 { 7, PrivMode_Autowrap }, // DECAWM
3067 { 9, PrivMode_MouseX10 }, 3739 // 8, auto-repeat keys // DECARM
3068#ifdef menuBar_esc 3740 { 9, PrivMode_MouseX10 },
3069 { menuBar_esc, PrivMode_menuBar }, 3741 { 12, PrivMode_BlinkingCursor },
3070#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
3071#ifdef scrollBar_esc 3745#ifdef scrollBar_esc
3072 { scrollBar_esc, PrivMode_scrollBar }, 3746 { scrollBar_esc, PrivMode_scrollBar },
3073#endif 3747#endif
3074 { 25, PrivMode_VisibleCursor }, 3748 { 35, PrivMode_ShiftKeys }, // rxvt extension
3075 { 35, PrivMode_ShiftKeys }, 3749 // 38, tektronix mode // DECTEK
3076 { 40, PrivMode_132OK }, 3750 { 40, PrivMode_132OK },
3077 { 47, PrivMode_Screen }, 3751 // 41 xterm more fixes NYI
3078 { 66, PrivMode_aplKP }, 3752 // 45 margin bell NYI
3753 // 46 start logging
3754 { 47, PrivMode_Screen },
3755 { 66, PrivMode_aplKP }, // DECNKM
3079#ifndef NO_BACKSPACE_KEY 3756#ifndef NO_BACKSPACE_KEY
3080 { 67, PrivMode_BackSpace }, 3757 { 67, PrivMode_BackSpace }, // DECBKM
3081#endif 3758#endif
3082 { 1000, PrivMode_MouseX11 }, 3759 { 1000, PrivMode_MouseX11 },
3083 { 1010, PrivMode_TtyOutputInh }, 3760 { 1002, PrivMode_MouseBtnEvent },
3084 { 1011, PrivMode_Keypress }, 3761 { 1003, PrivMode_MouseAnyEvent },
3085 { 1047, PrivMode_Screen }, 3762#if ENABLE_FRILLS
3086 }; 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 };
3087 3783
3088 if (nargs == 0) 3784 if (nargs == 0)
3089 return; 3785 return;
3090 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
3091/* make lo/hi boolean */ 3805 /* make lo/hi boolean */
3092 if (mode == 'l') 3806 if (mode == 'l')
3093 mode = 0; /* reset */ 3807 mode = 0; /* reset */
3094 else if (mode == 'h') 3808 else if (mode == 'h')
3095 mode = 1; /* set */ 3809 mode = 1; /* set */
3096 3810
3097 for (i = 0; i < nargs; i++) { 3811 for (i = 0; i < nargs; i++)
3812 {
3098 state = -1; 3813 state = -1;
3099 3814
3100 /* basic handling */ 3815 /* basic handling */
3101 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++) 3816 for (j = 0; j < ecb_array_length (argtopriv); j++)
3102 if (argtopriv[j].argval == arg[i]) { 3817 if (argtopriv[j].argval == arg[i])
3818 {
3103 state = rxvt_privcases(aR_ mode, argtopriv[j].bit); 3819 state = privcases (mode, argtopriv[j].bit);
3104 break; 3820 break;
3105 } 3821 }
3106 3822
3107 /* extra handling for values with state unkept */ 3823 /* extra handling for values with state unkept */
3108 if (state == -1)
3109 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
3110 case 1048: /* alternative cursor save */ 3833 case 1048: /* alternative cursor save */
3111 if (mode == 0) 3834 if (option (Opt_secondaryScreen))
3112 rxvt_scr_cursor(aR_ RESTORE); 3835 if (mode == 0)
3113 else if (mode == 1) 3836 scr_cursor (RESTORE);
3114 rxvt_scr_cursor(aR_ SAVE); 3837 else if (mode == 1)
3115 /* FALLTHROUGH */ 3838 scr_cursor (SAVE);
3116 default: 3839 break;
3117 continue; /* for(;i;) */ 3840 }
3118 }
3119 3841
3842 if (state >= 0)
3120 /* extra handling for values with valid 0 or 1 state */ 3843 /* extra handling for values with valid 0 or 1 state */
3121 switch (arg[i]) { 3844 switch (arg[i])
3845 {
3122 /* case 1: - application cursor keys */ 3846 /* case 1: - application cursor keys */
3123 case 2: /* VT52 mode */ 3847 case 2: /* VT52 mode */
3124 /* oddball mode. should be set regardless of set/reset 3848 /* oddball mode. should be set regardless of set/reset
3125 * parameter. Return from VT52 mode with an ESC < from 3849 * parameter. Return from VT52 mode with an ESC < from
3126 * within VT52 mode 3850 * within VT52 mode
3127 */ 3851 */
3128 PrivMode(1, PrivMode_vt52); 3852 priv_modes |= PrivMode_vt52;
3129 break; 3853 break;
3130 case 3: /* 80/132 */ 3854 case 3: /* 80/132 */
3131 if (R->PrivateModes & PrivMode_132OK) 3855 if (priv_modes & PrivMode_132OK)
3132 rxvt_set_widthheight(aR_ 3856 set_widthheight ((state ? 132 : 80) * fwidth, 24 * fheight);
3133 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth), 3857 break;
3134 (unsigned int)R->TermWin.height);
3135 break;
3136 case 4: /* smooth scrolling */ 3858 case 4: /* smooth scrolling */
3137 if (state) 3859 set_option (Opt_jumpScroll, !state);
3138 R->Options &= ~Opt_jumpScroll; 3860 break;
3139 else
3140 R->Options |= Opt_jumpScroll;
3141 break;
3142 case 5: /* reverse video */ 3861 case 5: /* reverse video */
3143 rxvt_scr_rvideo_mode(aR_ state); 3862 scr_rvideo_mode (state);
3144 break; 3863 break;
3145 case 6: /* relative/absolute origins */ 3864 case 6: /* relative/absolute origins */
3146 rxvt_scr_relative_origin(aR_ state); 3865 scr_relative_origin (state);
3147 break; 3866 break;
3148 case 7: /* autowrap */ 3867 case 7: /* autowrap */
3149 rxvt_scr_autowrap(aR_ state); 3868 scr_autowrap (state);
3150 break; 3869 break;
3151 /* 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 */
3152 case 9: /* X10 mouse reporting */ 3871 case 9: /* X10 mouse reporting */
3153 if (state) /* orthogonal */ 3872 if (state) /* orthogonal */
3154 R->PrivateModes &= ~(PrivMode_MouseX11); 3873 priv_modes &= ~(PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3155 break; 3874 break;
3156#ifdef menuBar_esc
3157 case menuBar_esc:
3158#ifdef MENUBAR
3159 rxvt_map_menuBar(aR_ state);
3160#endif
3161 break;
3162#endif
3163#ifdef scrollBar_esc 3875#ifdef scrollBar_esc
3164 case scrollBar_esc: 3876 case scrollBar_esc:
3165 if (rxvt_scrollbar_mapping(aR_ state)) { 3877 scrollBar.map (state);
3166 rxvt_resize_all_windows(aR_ 0, 0, 0); 3878 resize_all_windows (0, 0, 0);
3167 rxvt_scr_touch(aR_ True); 3879 scr_touch (true);
3168 } 3880 break;
3169 break;
3170#endif 3881#endif
3882#ifdef CURSOR_BLINK
3883 case 12:
3884 cursor_blink_reset ();
3885 break;
3886#endif
3171 case 25: /* visible/invisible cursor */ 3887 case 25: /* visible/invisible cursor */
3172 rxvt_scr_cursor_visible(aR_ state); 3888 scr_cursor_visible (state);
3173 break; 3889 break;
3174 /* case 35: - shift keys */ 3890 /* case 35: - shift keys */
3175 /* case 40: - 80 <--> 132 mode */ 3891 /* case 40: - 80 <--> 132 mode */
3176 case 47: /* secondary screen */ 3892 case 47: /* secondary screen */
3177 rxvt_scr_change_screen(aR_ state); 3893 scr_change_screen (state);
3178 break; 3894 break;
3179 /* case 66: - application key pad */ 3895 /* case 66: - application key pad */
3180 /* case 67: - backspace key */ 3896 /* case 67: - backspace key */
3181 case 1000: /* X11 mouse reporting */ 3897 case 1000: /* X11 mouse reporting */
3182 if (state) /* orthogonal */ 3898 if (state) /* orthogonal */
3183 R->PrivateModes &= ~(PrivMode_MouseX10); 3899 priv_modes &= ~(PrivMode_MouseX10|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent);
3184 break; 3900 break;
3185#if 0 3901 case 1002:
3186 case 1001: 3902 case 1003:
3187 break; /* X11 mouse highlighting */ 3903 if (state)
3188#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;
3189 case 1010: /* scroll to bottom on TTY output inhibit */ 3915 case 1010: /* scroll to bottom on TTY output inhibit */
3190 if (state) 3916 set_option (Opt_scrollTtyOutput, !state);
3191 R->Options &= ~Opt_scrollTtyOutput; 3917 break;
3192 else
3193 R->Options |= Opt_scrollTtyOutput;
3194 break;
3195 case 1011: /* scroll to bottom on key press */ 3918 case 1011: /* scroll to bottom on key press */
3196 if (state) 3919 set_option (Opt_scrollTtyKeypress, state);
3197 R->Options |= Opt_scrollTtyKeypress; 3920 break;
3198 else
3199 R->Options &= ~Opt_scrollTtyKeypress;
3200 break;
3201 case 1047: /* secondary screen w/ clearing */ 3921 case 1047: /* secondary screen w/ clearing last */
3202 if (R->current_screen != PRIMARY) 3922 if (option (Opt_secondaryScreen))
3203 rxvt_scr_erase_screen(aR_ 2); 3923 if (!state)
3204 rxvt_scr_change_screen(aR_ state); 3924 scr_erase_screen (2);
3205 /* FALLTHROUGH */ 3925
3206 default: 3926 scr_change_screen (state);
3207 break; 3927 break;
3208 } 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 }
3209 } 3944 }
3210} 3945}
3211/*}}} */ 3946/*}}} */
3212 3947
3213/*{{{ process sgr sequences */ 3948/*{{{ process sgr sequences */
3214/* 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
3215void 4116void
3216rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg) 4117rxvt_term::set_cursor_style (int style)
3217{ 4118{
3218 unsigned int i; 4119 if (!IN_RANGE_INC (style, 0, 6))
3219 short rendset; 4120 return;
3220 int rendstyle;
3221 4121
3222 if (nargs == 0) { 4122 if (style == 0)
3223 rxvt_scr_rendition(aR_ 0, ~RS_None); 4123 style = 1;
3224 return;
3225 }
3226 for (i = 0; i < nargs; i++) {
3227 rendset = -1;
3228 switch (arg[i]) {
3229 case 0:
3230 rendset = 0, rendstyle = ~RS_None;
3231 break;
3232 case 1:
3233 rendset = 1, rendstyle = RS_Bold;
3234 break;
3235 case 4:
3236 rendset = 1, rendstyle = RS_Uline;
3237 break;
3238 case 5:
3239 rendset = 1, rendstyle = RS_Blink;
3240 break;
3241 case 7:
3242 rendset = 1, rendstyle = RS_RVid;
3243 break;
3244 case 22:
3245 rendset = 0, rendstyle = RS_Bold;
3246 break;
3247 case 24:
3248 rendset = 0, rendstyle = RS_Uline;
3249 break;
3250 case 25:
3251 rendset = 0, rendstyle = RS_Blink;
3252 break;
3253 case 27:
3254 rendset = 0, rendstyle = RS_RVid;
3255 break;
3256 }
3257 if (rendset != -1) {
3258 rxvt_scr_rendition(aR_ rendset, rendstyle);
3259 continue; /* for(;i;) */
3260 }
3261 4124
3262 switch (arg[i]) { 4125 cursor_type = (style - 1) / 2;
3263 case 30: 4126 set_option (Opt_cursorUnderline, cursor_type == 1);
3264 case 31: /* set fg color */
3265 case 32:
3266 case 33:
3267 case 34:
3268 case 35:
3269 case 36:
3270 case 37:
3271 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3272 Color_fg);
3273 break;
3274#ifdef TTY_256COLOR
3275 case 38:
3276 if (nargs > i + 2 && arg[i + 1] == 5) {
3277 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3278 Color_fg);
3279 i += 2;
3280 }
3281 break;
3282#endif
3283 case 39: /* default fg */
3284 rxvt_scr_color(aR_ Color_fg, Color_fg);
3285 break;
3286 4127
3287 case 40: 4128#ifdef CURSOR_BLINK
3288 case 41: /* set bg color */ 4129 set_option (Opt_cursorBlink, style & 1);
3289 case 42: 4130 cursor_blink_reset ();
3290 case 43:
3291 case 44:
3292 case 45:
3293 case 46:
3294 case 47:
3295 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3296 Color_bg);
3297 break;
3298#ifdef TTY_256COLOR
3299 case 48:
3300 if (nargs > i + 2 && arg[i + 1] == 5) {
3301 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3302 Color_bg);
3303 i += 2;
3304 }
3305 break;
3306#endif 4131#endif
3307 case 49: /* default bg */
3308 rxvt_scr_color(aR_ Color_bg, Color_bg);
3309 break;
3310 4132
3311#ifndef NO_BRIGHTCOLOR 4133 want_refresh = 1;
3312 case 90:
3313 case 91: /* set bright fg color */
3314 case 92:
3315 case 93:
3316 case 94:
3317 case 95:
3318 case 96:
3319 case 97:
3320 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3321 Color_fg);
3322 break;
3323 case 100:
3324 case 101: /* set bright bg color */
3325 case 102:
3326 case 103:
3327 case 104:
3328 case 105:
3329 case 106:
3330 case 107:
3331 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3332 Color_bg);
3333 break;
3334#endif
3335 }
3336 }
3337} 4134}
3338/*}}} */ 4135/*}}} */
3339 4136
3340/*{{{ process Rob Nation's own graphics mode sequences */
3341/* INTPROTO */
3342void
3343rxvt_process_graphics(pR)
3344{
3345 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3346
3347#ifndef RXVT_GRAPHICS
3348 if (cmd == 'Q') { /* query graphics */
3349 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3350 return;
3351 }
3352/* swallow other graphics sequences until terminating ':' */
3353 do
3354 ch = rxvt_cmd_getc(aR);
3355 while (ch != ':');
3356#else
3357 unsigned int nargs;
3358 int args[NGRX_PTS];
3359 unsigned char *text = NULL;
3360
3361 if (cmd == 'Q') { /* query graphics */
3362 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3363 return;
3364 }
3365 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3366 int neg;
3367
3368 ch = rxvt_cmd_getc(aR);
3369 neg = (ch == '-');
3370 if (neg || ch == '+')
3371 ch = rxvt_cmd_getc(aR);
3372
3373 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3374 args[nargs] = args[nargs] * 10 + (ch - '0');
3375 if (neg)
3376 args[nargs] = -args[nargs];
3377
3378 nargs++;
3379 args[nargs] = 0;
3380 if (ch != ';')
3381 break;
3382 }
3383
3384 if ((cmd == 'T') && (nargs >= 5)) {
3385 int i, len = args[4];
3386
3387 text = rxvt_malloc((len + 1) * sizeof(char));
3388
3389 if (text != NULL) {
3390 for (i = 0; i < len; i++)
3391 text[i] = rxvt_cmd_getc(aR);
3392 text[len] = '\0';
3393 }
3394 }
3395 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3396#endif
3397}
3398/*}}} */
3399
3400/* ------------------------------------------------------------------------- */ 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 */
3401 4141
3402/* 4142/*
3403 * Send printf() formatted output to the command. 4143 * Send printf () formatted output to the command.
3404 * Only use for small amounts of data. 4144 * Only use for small amounts of data.
3405 */ 4145 */
3406/* EXTPROTO */
3407void 4146void
3408rxvt_tt_printf(pR_ const char *fmt,...) 4147rxvt_term::tt_printf (const char *fmt,...)
3409{ 4148{
3410 va_list arg_ptr; 4149 va_list arg_ptr;
3411 unsigned char buf[256]; 4150 char buf[256];
3412 4151
3413 va_start(arg_ptr, fmt); 4152 va_start (arg_ptr, fmt);
3414 vsprintf((char *)buf, fmt, arg_ptr); 4153 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3415 va_end(arg_ptr); 4154 va_end (arg_ptr);
3416 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf)); 4155 tt_write (buf, strlen (buf));
3417} 4156}
3418 4157
3419/* ---------------------------------------------------------------------- */ 4158/* Write data to the pty as typed by the user. */
3420/* Addresses pasting large amounts of data and rxvt hang
3421 * code pinched from xterm (v_write()) and applied originally to
3422 * rxvt-2.18 - Hops
3423 * Write data to the pty as typed by the user, pasted with the mouse,
3424 * or generated by us in response to a query ESC sequence.
3425 */
3426/* EXTPROTO */
3427void 4159void
3428rxvt_tt_write(pR_ const unsigned char *d, unsigned int len) 4160rxvt_term::tt_write_user_input (const char *data, unsigned int len)
3429{ 4161{
3430#define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */ 4162 if (HOOK_INVOKE ((this, HOOK_TT_WRITE, DT_STR_LEN, data, len, DT_END)))
3431 int riten; 4163 return;
3432 unsigned int p;
3433 unsigned char *v_buffer, /* start of physical buffer */
3434 *v_bufstr, /* start of current buffer pending */
3435 *v_bufptr, /* end of current buffer pending */
3436 *v_bufend; /* end of physical buffer */
3437 4164
3438 if (R->v_bufstr == NULL && len > 0) { 4165 if (option (Opt_scrollTtyKeypress))
3439 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4166 if (view_start)
3440 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p); 4167 {
3441 v_bufend = v_buffer + p; 4168 view_start = 0;
3442 } else { 4169 want_refresh = 1;
3443 v_buffer = R->v_buffer;
3444 v_bufstr = R->v_bufstr;
3445 v_bufptr = R->v_bufptr;
3446 v_bufend = R->v_bufend;
3447 } 4170 }
3448 4171
3449 /* 4172 tt_write_ (data, len);
3450 * Append to the block we already have. Always doing this simplifies the 4173}
3451 * code, and isn't too bad, either. If this is a short block, it isn't 4174
3452 * too expensive, and if this is a long block, we won't be able to write 4175void
3453 * it all anyway. 4176rxvt_term::tt_write (const char *data, unsigned int len)
3454 */ 4177{
3455 if (len > 0) { 4178 if (HOOK_INVOKE ((this, HOOK_TT_WRITE, DT_STR_LEN, data, len, DT_END)))
3456 if (v_bufend < v_bufptr + len) { /* run out of room */ 4179 return;
3457 if (v_bufstr != v_buffer) { 4180
3458 /* there is unused space, move everything down */ 4181 tt_write_ (data, len);
3459 MEMMOVE(v_buffer, v_bufstr, 4182}
3460 (unsigned int)(v_bufptr - v_bufstr)); 4183
3461 v_bufptr -= v_bufstr - v_buffer; 4184static const unsigned int MAX_PTY_WRITE = 255; // minimum MAX_INPUT
3462 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;
3463 } 4203 }
3464 if (v_bufend < v_bufptr + len) {
3465 /* still won't fit: get more space */
3466 /* use most basic realloc because an error is not fatal. */
3467 unsigned int size = v_bufptr - v_buffer;
3468 unsigned int reallocto;
3469 4204
3470 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 4205 v_buffer = (char *)rxvt_realloc (v_buffer, v_buflen + len);
3471 v_buffer = (unsigned char *)realloc(v_buffer, reallocto); 4206
3472 /* save across realloc */ 4207 memcpy (v_buffer + v_buflen, data, len);
3473 if (v_buffer) { 4208 v_buflen += len;
3474 v_bufstr = v_buffer; 4209
3475 v_bufptr = v_buffer + size; 4210 pty_ev.set (ev::READ | ev::WRITE);
3476 v_bufend = v_buffer + reallocto; 4211}
3477 } else { /* no memory: ignore entire write request */ 4212
3478 rxvt_print_error("data loss: cannot allocate buffer space"); 4213void rxvt_term::pty_write ()
3479 v_buffer = v_bufstr; /* restore clobbered pointer */ 4214{
3480 } 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);
3481 } 4231 }
3482 } 4232 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3483 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */ 4233 pty_ev.set (ev::READ);
3484 MEMCPY(v_bufptr, d, len);
3485 v_bufptr += len;
3486 }
3487 }
3488
3489 /*
3490 * Write out as much of the buffer as we can.
3491 * Be careful not to overflow the pty's input silo.
3492 * We are conservative here and only write a small amount at a time.
3493 *
3494 * If we can't push all the data into the pty yet, we expect write
3495 * to return a non-negative number less than the length requested
3496 * (if some data written) or -1 and set errno to EAGAIN,
3497 * EWOULDBLOCK, or EINTR (if no data written).
3498 *
3499 * (Not all systems do this, sigh, so the code is actually
3500 * a little more forgiving.)
3501 */
3502 if ((p = v_bufptr - v_bufstr) > 0) {
3503 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3504 if (riten < 0)
3505 riten = 0;
3506 v_bufstr += riten;
3507 if (v_bufstr >= v_bufptr) /* we wrote it all */
3508 v_bufstr = v_bufptr = v_buffer;
3509 }
3510 /*
3511 * If we have lots of unused memory allocated, return it
3512 */
3513 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3514 /* save pointers across realloc */
3515 unsigned int start = v_bufstr - v_buffer;
3516 unsigned int size = v_bufptr - v_buffer;
3517 unsigned int reallocto;
3518
3519 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3520 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3521 if (v_buffer) {
3522 v_bufstr = v_buffer + start;
3523 v_bufptr = v_buffer + size;
3524 v_bufend = v_buffer + reallocto;
3525 } else {
3526 /* should we print a warning if couldn't return memory? */
3527 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3528 }
3529 }
3530 R->v_buffer = v_buffer;
3531 R->v_bufstr = v_bufstr;
3532 R->v_bufptr = v_bufptr;
3533 R->v_bufend = v_bufend;
3534} 4234}
4235
3535/*----------------------- end-of-file (C source) -----------------------*/ 4236/*----------------------- end-of-file (C source) -----------------------*/
3536 4237

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