1 /*--------------------------------*-C-*---------------------------------*
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.2 2003-11-24 17:31:27 pcg Exp $
6 * 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>
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions.
16 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
17 * - key-related changes to handle Shift+function
19 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
20 * - extensive modifications
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
32 * 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 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/
48 #include "../config.h" /* NECESSARY */
49 #include "rxvt.h" /* NECESSARY */
53 /*----------------------------------------------------------------------*/
55 /*{{{ Convert the keypress event into a string */
58 rxvt_lookup_key(pR_ XKeyEvent *ev)
60 int ctrl, meta, shft, len;
64 static int debug_key = 1; /* accessible by a debugger only */
69 unsigned char *kbuf = R->h->kbuf;
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
75 * Always permit `shift' to override the current setting
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->h->ModMetaMask);
80 if (R->numlock_state || (ev->state & R->h->ModNumLockMask)) {
81 R->numlock_state = (ev->state & R->h->ModNumLockMask);
82 PrivMode((!R->numlock_state), PrivMode_aplKP);
85 if (R->h->Input_Context != NULL) {
89 #ifdef X_HAVE_UTF8_STRING
90 len = Xutf8LookupString(R->h->Input_Context, ev, (char *)kbuf,
91 KBUFSZ, &keysym, &status_return);
93 len = XmbLookupString(R->h->Input_Context, ev, (char *)kbuf,
94 KBUFSZ, &keysym, &status_return);
96 valid_keysym = ((status_return == XLookupKeySym)
97 || (status_return == XLookupBoth));
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
124 /* for some backwards compatibility */
125 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
131 if (keysym == R->h->ks_bigfont) {
132 rxvt_change_font(aR_ 0, FONT_UP);
134 } else if (keysym == R->h->ks_smallfont) {
135 rxvt_change_font(aR_ 0, FONT_DN);
141 if (R->TermWin.saveLines) {
142 #ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
149 #ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
152 lnsppg = R->TermWin.nrow * 4 / 5;
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
162 #ifdef SCROLL_ON_UPDOWN_KEYS
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
173 #ifdef SCROLL_ON_HOMEEND_KEYS
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
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->h->PrivateModes & PrivMode_ShiftKeys)) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
214 if (keysym == R->h->ks_greekmodeswith) {
215 R->h->greek_mode = !R->h->greek_mode;
216 if (R->h->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228 #ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->h->Keysym_map[keysym & 0xFF] != NULL) {
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
234 kbuf0 = (R->h->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
240 if (R->h->meta_char == C0_ESC)
242 rxvt_tt_write(aR_ &ch, 1);
243 rxvt_tt_write(aR_ kbuf0, l);
250 #ifndef NO_BACKSPACE_KEY
252 if (R->h->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->h->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
257 STRCPY(kbuf, R->h->key_backspace);
258 # ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
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);
271 #ifndef NO_DELETE_KEY
273 STRCPY(kbuf, R->h->key_delete);
274 # ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
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);
289 STRCPY(kbuf, "\033[Z");
291 #ifdef CTRL_TAB_MAKES_META
295 #ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
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->h->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
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]);
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->h->PrivateModes & PrivMode_aplCUR)
334 if (R->Options & Opt_mc_hack) {
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
343 else if (keysym == XK_Left) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
350 col = R->TermWin.ncol - 1;
354 && IS_MULTI2(R->screen.rend[row][col]))
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
364 #ifndef UNSHIFTED_SCROLLKEYS
367 /* allow shift to override */
368 if ((R->h->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
375 STRCPY(kbuf, "\033[5~");
379 /* allow shift to override */
380 if ((R->h->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
387 STRCPY(kbuf, "\033[6~");
391 /* allow shift to override */
392 if ((R->h->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
402 STRCPY(kbuf, "\033Ou");
406 STRCPY(kbuf, "\033Op");
410 STRCPY(kbuf, "\033On");
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);
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->h->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
448 STRCPY(kbuf, "\033[1~");
451 STRCPY(kbuf, "\033[2~");
453 #ifdef DXK_Remove /* support for DEC remove like key */
458 STRCPY(kbuf, "\033[3~");
461 STRCPY(kbuf, "\033[4~");
465 /* allow shift to override */
466 if ((R->h->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
473 STRCPY(kbuf, KS_END);
477 /* allow shift to override */
478 if ((R->h->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
485 STRCPY(kbuf, KS_HOME);
488 #define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
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~" */
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~" */
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
515 case XK_Help: /* "\033[28~" */
518 case XK_Menu: /* "\033[29~" */
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~" */
551 * Pass meta for all function keys, if 'meta' option set
554 if (meta && (R->h->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
557 } else if (ctrl && keysym == XK_minus) {
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
563 if (meta && (R->h->meta_char == 0x80)) {
566 for (ch = kbuf; ch < kbuf + len; ch++)
572 if (R->h->greek_mode)
573 len = greek_xlat(kbuf, len);
580 return; /* not mapped */
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->h->want_refresh = 1;
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
605 && (R->h->meta_char == C0_ESC)
608 const unsigned char ch = C0_ESC;
610 rxvt_tt_write(aR_ &ch, 1);
613 if (debug_key) { /* Display keyboard buffer contents */
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");
622 #endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len);
628 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629 /* attempt to `write' count to the input buffer */
632 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
635 unsigned char *cmdbuf_base = R->h->cmdbuf_base,
636 *cmdbuf_endp = R->h->cmdbuf_endp,
637 *cmdbuf_ptr = R->h->cmdbuf_ptr;
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;
649 rxvt_print_error("data loss: cmd_write too large");
653 *cmdbuf_endp++ = *str++;
654 R->h->cmdbuf_ptr = cmdbuf_ptr;
655 R->h->cmdbuf_endp = cmdbuf_endp;
658 #endif /* MENUBAR_MAX */
660 // read the next character, currently handles UTF-8
661 // will probably handle all sorts of other stuff in the future
665 rxvt_hidden *h = R->h;
666 mbstate &s = h->mbstate;
668 while (h->cmdbuf_ptr < h->cmdbuf_endp)
670 uint8_t ch = *h->cmdbuf_ptr;
674 if ((ch & 0xc0) == 0x80)
679 s.reg = (s.reg << 6) | (ch & 0x7f);
681 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or hacking */
689 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
693 if ((ch & 0xc0) == 0xc0)
698 s.orig = ch; /* for broken encodings */
700 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
701 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
702 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
703 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
704 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
708 h->cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
716 /* rxvt_cmd_getc() - Return next input character */
718 * Return the next input character after first passing any keyboard input
725 #define TIMEOUT_USEC 5000
727 int quick_timeout, select_res;
728 int want_motion_time, want_keypress_time;
729 struct timeval value;
730 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
733 struct rxvt_hidden *h = R->h;
735 uint32_t c = next_char (aR);
740 /* loop until we can return something */
742 if (h->v_bufstr < h->v_bufptr) /* output any pending chars */
743 rxvt_tt_write(aR_ NULL, 0);
745 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
746 tp.tv_sec = 0; /* presume == 0 implies time not yet retrieved */
748 #if defined(CURSOR_BLINK)
749 want_keypress_time = 0;
751 #if defined(POINTER_BLANK)
752 want_motion_time = 0;
755 while (XPending(R->Xdisplay)) { /* process pending X events */
758 XNextEvent(R->Xdisplay, &xev);
759 #if defined(CURSOR_BLINK)
760 if ((R->Options & Opt_cursorBlink)
761 && xev.type == KeyPress) {
762 if (h->hidden_cursor) {
763 h->hidden_cursor = 0;
766 want_keypress_time = 1;
769 #if defined(POINTER_BLANK)
770 if ((R->Options & Opt_pointerBlank)
771 && (h->pointerBlankDelay > 0)) {
772 if (xev.type == MotionNotify
773 || xev.type == ButtonPress
774 || xev.type == ButtonRelease) {
775 if (R->h->hidden_pointer)
776 rxvt_pointer_unblank(aR);
777 want_motion_time = 1;
779 if (xev.type == KeyPress && R->h->hidden_pointer == 0)
780 rxvt_pointer_blank(aR);
784 if (!XFilterEvent(&xev, xev.xany.window))
785 rxvt_process_x_event(aR_ &xev);
786 h->event_type = xev.type;
788 rxvt_process_x_event(aR_ &xev);
790 /* in case button actions pushed chars to cmdbuf */
791 if (h->cmdbuf_ptr < h->cmdbuf_endp)
792 return *h->cmdbuf_ptr++;
795 #if defined(CURSOR_BLINK)
796 if (want_keypress_time) {
797 (void)gettimeofday(&tp, NULL);
798 h->lastcursorchange.tv_sec = tp.tv_sec;
799 h->lastcursorchange.tv_usec = tp.tv_usec;
802 #if defined(POINTER_BLANK)
803 if (want_motion_time) {
805 (void)gettimeofday(&tp, NULL);
806 h->lastmotion.tv_sec = tp.tv_sec;
807 h->lastmotion.tv_usec = tp.tv_usec;
812 * the command input buffer is empty and we have no pending X events
816 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
817 if (h->mouse_slip_wheel_speed) {
819 if (!h->mouse_slip_wheel_delay--
820 && rxvt_scr_page(aR_ h->mouse_slip_wheel_speed > 0 ? UP : DN,
821 abs(h->mouse_slip_wheel_speed))) {
822 h->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
823 h->refresh_type |= SMOOTH_REFRESH;
827 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
828 #ifdef SELECTION_SCROLLING
829 if (h->pending_scroll_selection) {
831 if (!h->scroll_selection_delay--
832 && rxvt_scr_page(aR_ h->scroll_selection_dir,
833 h->scroll_selection_lines)) {
834 rxvt_selection_extend(aR_ h->selection_save_x,
835 h->selection_save_y, h->selection_save_state);
836 h->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
837 h->refresh_type |= SMOOTH_REFRESH;
842 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
843 if (scrollbar_isUp() || scrollbar_isDn()) {
845 if (!h->scroll_arrow_delay--
846 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
847 h->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
848 h->refresh_type |= SMOOTH_REFRESH;
852 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
855 FD_SET(R->cmd_fd, &readfds);
856 FD_SET(R->Xfd, &readfds);
857 value.tv_usec = TIMEOUT_USEC;
860 if (!R->TermWin.mapped)
863 quick_timeout |= h->want_refresh;
865 quick_timeout |= h->want_full_refresh;
869 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
871 int set_quick_timeout = 0;
874 #define BLINK_TIME 500000L
875 csdiff = psdiff = 60000000L; /* or, say, LONG_MAX */
876 # if defined(CURSOR_BLINK)
877 if (R->Options & Opt_cursorBlink) {
878 if (!tp.tv_sec) /* didn't get it before so get it now */
879 (void)gettimeofday(&tp, NULL);
881 csdiff = (tp.tv_sec - h->lastcursorchange.tv_sec) * 1000000L
882 + tp.tv_usec - h->lastcursorchange.tv_usec;
883 if (csdiff > BLINK_TIME) { /* XXX: settable blink times */
884 h->lastcursorchange.tv_sec = tp.tv_sec;
885 h->lastcursorchange.tv_usec = tp.tv_usec;
886 h->hidden_cursor = !h->hidden_cursor;
889 csdiff = BLINK_TIME - csdiff;
890 set_quick_timeout = 1;
893 # if defined(POINTER_BLANK)
895 * If we haven't moved the pointer for a while
897 if ((R->Options & Opt_pointerBlank)
898 && (h->pointerBlankDelay > 0)
899 && (h->hidden_pointer == 0)) {
902 if (!tp.tv_sec) /* didn't get it before so get it now */
903 (void)gettimeofday(&tp, NULL);
904 psdiff = (tp.tv_sec - h->lastmotion.tv_sec) * 1000000L
905 + tp.tv_usec - h->lastmotion.tv_usec;
906 pdelay = h->pointerBlankDelay * 1000000L;
907 if (psdiff >= pdelay)
908 rxvt_pointer_blank(aR);
910 set_quick_timeout = 1;
911 psdiff = pdelay - psdiff;
915 if (!quick_timeout && set_quick_timeout) {
916 MIN_IT(csdiff, psdiff);
917 value.tv_sec = csdiff / 1000000L;
918 value.tv_usec = csdiff % 1000000L;
924 if ((select_res = select(R->num_fds, &readfds, NULL, NULL,
925 (quick_timeout ? &value : NULL))) == 0) {
926 /* select statement timed out - we're not hard and fast scrolling */
927 h->refresh_limit = 1;
929 #if defined(CURSOR_BLINK)
930 if (R->Options & Opt_cursorBlink)
934 /* See if we can read new data from the application */
935 if (select_res > 0 && FD_ISSET(R->cmd_fd, &readfds)) {
939 h->cmdbuf_ptr = h->cmdbuf_endp = h->cmdbuf_base;
940 for (count = BUFSIZ; count; count -= n, h->cmdbuf_endp += n)
941 if ((n = read(R->cmd_fd, h->cmdbuf_endp, count)) > 0)
943 else if (n == 0 || (n < 0 && errno == EAGAIN))
947 exit(EXIT_FAILURE); /* bad order of events? */
950 if (count != BUFSIZ) /* some characters read in */
952 uint32_t c = next_char (aR);
958 if (h->want_full_refresh) {
959 h->want_full_refresh = 0;
961 rxvt_scr_touch(aR_ False);
965 if (h->want_refresh) {
966 rxvt_scr_refresh(aR_ h->refresh_type);
967 rxvt_scrollbar_show(aR_ 1);
979 rxvt_pointer_unblank(pR)
981 XDefineCursor(R->Xdisplay, R->TermWin.vt, R->TermWin_cursor);
982 rxvt_recolour_cursor(aR);
984 R->h->hidden_pointer = 0;
985 if (R->h->pointerBlankDelay > 0) {
988 (void)gettimeofday(&tp, NULL);
989 R->h->lastmotion.tv_sec = tp.tv_sec;
990 R->h->lastmotion.tv_usec = tp.tv_usec;
998 rxvt_pointer_blank(pR)
1000 XDefineCursor(R->Xdisplay, R->TermWin.vt, R->h->pointer_blank);
1001 XFlush(R->Xdisplay);
1002 R->h->hidden_pointer = 1;
1008 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1010 int button_number, key_state = 0;
1015 rxvt_pixel_position(aR_ &x, &y);
1017 if (R->h->MEvent.button == AnyButton) {
1020 button_number = R->h->MEvent.button - Button1;
1021 /* add 0x3D for wheel events, like xterm does */
1022 if (button_number >= 3)
1023 button_number += (64 - 3);
1026 if (R->h->PrivateModes & PrivMode_MouseX10) {
1028 * do not report ButtonRelease
1029 * no state info allowed
1032 if (button_number == 3)
1035 /* XTerm mouse reporting needs these values:
1039 * plus will add in our own Double-Click reporting
1042 key_state = ((R->h->MEvent.state & ShiftMask) ? 4 : 0)
1043 + ((R->h->MEvent.state & R->h->ModMetaMask) ? 8 : 0)
1044 + ((R->h->MEvent.state & ControlMask) ? 16 : 0);
1045 #ifdef MOUSE_REPORT_DOUBLECLICK
1046 key_state += ((R->h->MEvent.clicks > 1) ? 32 : 0);
1050 #ifdef DEBUG_MOUSEREPORT
1051 fprintf(stderr, "Mouse [");
1060 fprintf(stderr, "]: <%d>, %d/%d\n",
1065 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1066 (32 + button_number + key_state),
1075 rxvt_W11_process_x_event(XEvent *ev)
1077 rxvt_t *r = rxvt_get_r();
1079 rxvt_process_x_event(aR_ ev);
1083 /*{{{ process an X event */
1086 rxvt_process_x_event(pR_ XEvent *ev)
1088 int i, want_timeout;
1089 Window unused_root, unused_child;
1090 int unused_root_x, unused_root_y;
1091 unsigned int unused_mask;
1093 struct rxvt_hidden *h = R->h;
1095 const char *const eventnames[] =
1096 { /* mason - this matches my system */
1137 * check if we need to get the time for any timeouts
1140 for (i = NUM_TIMEOUTS; i--; )
1141 if (h->timeout[i].tv_sec) {
1149 (void)gettimeofday(&tp, NULL);
1152 ltt = localtime(&(tp.tv_sec));
1153 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));
1156 /* X event timeouts */
1158 for (i = NUM_TIMEOUTS; i--; ) {
1159 if (h->timeout[i].tv_sec == 0)
1161 if ((tp.tv_sec < h->timeout[i].tv_sec)
1162 || (tp.tv_sec == h->timeout[i].tv_sec
1163 && tp.tv_usec < h->timeout[i].tv_usec))
1165 h->timeout[i].tv_sec = 0;
1168 rxvt_print_error("data loss: timeout on INCR selection paste");
1169 h->selection_wait = Sel_none;
1178 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1181 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1184 if (!(ev->xkey.state & ControlMask))
1185 h->mouse_slip_wheel_speed = 0;
1189 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1190 if (ks == XK_Control_L || ks == XK_Control_R)
1191 h->mouse_slip_wheel_speed = 0;
1198 rxvt_button_press(aR_ (XButtonEvent *)ev);
1202 rxvt_button_release(aR_ (XButtonEvent *)ev);
1206 if (ev->xclient.format == 32
1207 && (Atom)ev->xclient.data.l[0] == h->xa[XA_WMDELETEWINDOW])
1210 /* OffiX Dnd (drag 'n' drop) protocol */
1211 if (ev->xclient.message_type == h->xa[XA_DNDPROTOCOL]
1212 && (ev->xclient.data.l[0] == DndFile
1213 || ev->xclient.data.l[0] == DndDir
1214 || ev->xclient.data.l[0] == DndLink)) {
1218 unsigned char *data;
1219 unsigned long Size, RemainingBytes;
1221 XGetWindowProperty(R->Xdisplay, Xroot,
1222 R->h->xa[XA_DNDSELECTION],
1224 False, AnyPropertyType,
1225 &ActualType, &ActualFormat,
1226 &Size, &RemainingBytes,
1228 XChangeProperty(R->Xdisplay, Xroot,
1229 XA_CUT_BUFFER0, XA_STRING,
1231 data, STRLEN(data));
1232 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1233 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1235 #endif /* OFFIX_DND */
1239 XRefreshKeyboardMapping(&(ev->xmapping));
1243 * XXX: this is not the _current_ arrangement
1244 * Here's my conclusion:
1245 * If the window is completely unobscured, use bitblt's
1246 * to scroll. Even then, they're only used when doing partial
1247 * screen scrolling. When partially obscured, we have to fill
1248 * in the GraphicsExpose parts, which means that after each refresh,
1249 * we need to wait for the graphics expose or Noexpose events,
1250 * which ought to make things real slow!
1252 case VisibilityNotify:
1253 switch (ev->xvisibility.state) {
1254 case VisibilityUnobscured:
1255 h->refresh_type = FAST_REFRESH;
1257 case VisibilityPartiallyObscured:
1258 h->refresh_type = SLOW_REFRESH;
1261 h->refresh_type = NO_REFRESH;
1267 if (!R->TermWin.focus) {
1268 R->TermWin.focus = 1;
1269 h->want_refresh = 1;
1271 if (h->Input_Context != NULL)
1272 XSetICFocus(h->Input_Context);
1278 if (R->TermWin.focus) {
1279 R->TermWin.focus = 0;
1280 h->want_refresh = 1;
1282 if (h->Input_Context != NULL)
1283 XUnsetICFocus(h->Input_Context);
1288 case ConfigureNotify:
1289 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1292 do { /* Wrap lots of configures into one */
1293 width = ev->xconfigure.width;
1294 height = ev->xconfigure.height;
1295 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1296 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1297 ConfigureNotify, ev));
1298 if (R->szHint.width != width || R->szHint.height != height) {
1299 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1300 rxvt_resize_all_windows(aR_ (unsigned int)width,
1301 (unsigned int)height, 1);
1305 D_SIZE((stderr, "Size: Not resizing"));
1308 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1309 if (R->Options & Opt_transparent) {
1310 rxvt_check_our_parents(aR);
1311 if (h->am_transparent)
1312 h->want_full_refresh = 1;
1318 case SelectionClear:
1319 rxvt_selection_clear(aR);
1322 case SelectionNotify:
1323 if (h->selection_wait == Sel_normal)
1324 rxvt_selection_paste(aR_ ev->xselection.requestor,
1325 ev->xselection.property, True);
1328 case SelectionRequest:
1329 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1333 R->TermWin.mapped = 0;
1337 R->TermWin.mapped = 1;
1340 case PropertyNotify:
1341 if (ev->xproperty.atom == h->xa[XA_VT_SELECTION]) {
1342 if (ev->xproperty.state == PropertyNewValue)
1343 rxvt_selection_property(aR_ ev->xproperty.window,
1344 ev->xproperty.atom);
1349 * if user used some Esetroot compatible prog to set the root bg,
1350 * use the property to determine the pixmap. We use it later on.
1352 if (h->xa[XA_XROOTPMAPID] == 0)
1353 h->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1354 "_XROOTPMAP_ID", False);
1355 if (ev->xproperty.atom != h->xa[XA_XROOTPMAPID])
1358 case ReparentNotify:
1359 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1360 if (h->am_transparent)
1361 h->want_full_refresh = 1;
1363 #endif /* TRANSPARENT */
1366 case GraphicsExpose:
1368 if (ev->xany.window == R->TermWin.vt) {
1369 #ifdef NO_SLOW_LINK_SUPPORT
1370 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1371 ev->xexpose.width, ev->xexpose.height, False);
1373 // don't understand this, so commented it out
1374 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1375 ev->xexpose.width, ev->xexpose.height, False);
1376 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1377 // ev->xexpose.width, R->TermWin.height, False);
1379 h->want_refresh = 1;
1381 XEvent unused_xevent;
1383 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1386 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1389 if (isScrollbarWindow(ev->xany.window)) {
1390 scrollbar_setIdle();
1391 rxvt_scrollbar_show(aR_ 0);
1394 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1395 rxvt_menubar_expose(aR);
1397 #ifdef RXVT_GRAPHICS
1398 rxvt_Gr_expose(aR_ ev->xany.window);
1404 #ifdef POINTER_BLANK
1405 if (R->h->hidden_pointer)
1406 rxvt_pointer_unblank(aR);
1409 if (isMenuBarWindow(ev->xany.window)) {
1410 rxvt_menubar_control(aR_ &(ev->xbutton));
1414 if ((h->PrivateModes & PrivMode_mouse_report) && !(h->bypass_keystate))
1417 if (ev->xany.window == R->TermWin.vt) {
1418 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1419 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1420 MotionNotify, ev)) ;
1421 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1422 &unused_root, &unused_child,
1423 &unused_root_x, &unused_root_y,
1424 &(ev->xbutton.x), &(ev->xbutton.y),
1426 #ifdef MOUSE_THRESHOLD
1427 /* deal with a `jumpy' mouse */
1428 if ((ev->xmotion.time - h->MEvent.time) > MOUSE_THRESHOLD) {
1430 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1431 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1432 #ifdef SELECTION_SCROLLING
1433 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1434 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1437 h->pending_scroll_selection=1;
1439 /* don't clobber the current delay if we are
1440 * already in the middle of scrolling.
1442 if (h->scroll_selection_delay<=0)
1443 h->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1445 /* save the event params so we can highlight
1446 * the selection in the pending-scroll loop
1448 h->selection_save_x=ev->xbutton.x;
1449 h->selection_save_y=ev->xbutton.y;
1450 h->selection_save_state=
1451 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1453 /* calc number of lines to scroll */
1454 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1455 h->scroll_selection_dir = UP;
1456 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1459 h->scroll_selection_dir = DN;
1460 dist = ev->xbutton.y -
1461 (R->TermWin.int_bwidth + R->TermWin.height);
1463 h->scroll_selection_lines=(Pixel2Height(dist)/
1464 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1465 MIN_IT(h->scroll_selection_lines,
1466 SELECTION_SCROLL_MAX_LINES);
1469 /* we are within the text window, so we
1470 * shouldn't be scrolling
1472 h->pending_scroll_selection = 0;
1475 #ifdef MOUSE_THRESHOLD
1479 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1480 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1481 MotionNotify, ev)) ;
1482 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1483 &unused_root, &unused_child,
1484 &unused_root_x, &unused_root_y,
1485 &(ev->xbutton.x), &(ev->xbutton.y),
1487 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - h->csrO,
1489 rxvt_scr_refresh(aR_ h->refresh_type);
1490 h->refresh_limit = 0;
1491 rxvt_scrollbar_show(aR_ 1);
1499 rxvt_button_press(pR_ XButtonEvent *ev)
1501 int reportmode = 0, clickintime;
1502 struct rxvt_hidden *h = R->h;
1504 h->bypass_keystate = ev->state & (h->ModMetaMask | ShiftMask);
1505 if (!h->bypass_keystate)
1506 reportmode = !!(h->PrivateModes & PrivMode_mouse_report);
1508 * VT window processing of button press
1510 if (ev->window == R->TermWin.vt)
1513 if (ev->subwindow != None)
1514 rxvt_Gr_ButtonPress(ev->x, ev->y);
1518 clickintime = ev->time - h->MEvent.time < MULTICLICK_TIME;
1521 /* mouse report from vt window */
1522 /* save the xbutton state (for ButtonRelease) */
1523 h->MEvent.state = ev->state;
1524 #ifdef MOUSE_REPORT_DOUBLECLICK
1525 if (ev->button == h->MEvent.button && clickintime)
1527 /* same button, within alloted time */
1529 if (h->MEvent.clicks > 1)
1531 /* only report double clicks */
1532 h->MEvent.clicks = 2;
1533 rxvt_mouse_report(aR_ ev);
1535 /* don't report the release */
1536 h->MEvent.clicks = 0;
1537 h->MEvent.button = AnyButton;
1542 /* different button, or time expired */
1543 h->MEvent.clicks = 1;
1544 h->MEvent.button = ev->button;
1545 rxvt_mouse_report(aR_ ev);
1548 h->MEvent.button = ev->button;
1549 rxvt_mouse_report(aR_ ev);
1550 #endif /* MOUSE_REPORT_DOUBLECLICK */
1554 if (ev->button != h->MEvent.button)
1555 h->MEvent.clicks = 0;
1559 if (h->MEvent.button == Button1 && clickintime)
1562 h->MEvent.clicks = 1;
1563 rxvt_selection_click(aR_ h->MEvent.clicks, ev->x, ev->y);
1564 h->MEvent.button = Button1;
1568 if (h->MEvent.button == Button3 && clickintime)
1569 rxvt_selection_rotate(aR_ ev->x, ev->y);
1571 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1572 h->MEvent.button = Button3;
1576 h->MEvent.time = ev->time;
1582 * Scrollbar window processing of button press
1584 if (isScrollbarWindow(ev->window))
1586 scrollbar_setIdle();
1588 * Rxvt-style scrollbar:
1589 * move up if mouse is above slider
1590 * move dn if mouse is below slider
1592 * XTerm-style scrollbar:
1593 * Move display proportional to pointer location
1594 * pointer near top -> scroll one line
1595 * pointer near bot -> scroll full page
1597 #ifndef NO_SCROLLBAR_REPORT
1600 * Mouse report disabled scrollbar:
1601 * arrow buttons - send up/down
1602 * click on scrollbar - send pageup/down
1604 if ((R->scrollBar.style == R_SB_NEXT
1605 && scrollbarnext_upButton(ev->y))
1606 || (R->scrollBar.style == R_SB_RXVT
1607 && scrollbarrxvt_upButton(ev->y)))
1608 rxvt_tt_printf(aR_ "\033[A");
1609 else if ((R->scrollBar.style == R_SB_NEXT
1610 && scrollbarnext_dnButton(ev->y))
1611 || (R->scrollBar.style == R_SB_RXVT
1612 && scrollbarrxvt_dnButton(ev->y)))
1613 rxvt_tt_printf(aR_ "\033[B");
1615 switch (ev->button) {
1617 rxvt_tt_printf(aR_ "\014");
1620 rxvt_tt_printf(aR_ "\033[6~");
1623 rxvt_tt_printf(aR_ "\033[5~");
1628 #endif /* NO_SCROLLBAR_REPORT */
1632 if (R->scrollBar.style == R_SB_NEXT) {
1633 if (scrollbarnext_upButton(ev->y))
1634 upordown = -1; /* up */
1635 else if (scrollbarnext_dnButton(ev->y))
1636 upordown = 1; /* down */
1637 } else if (R->scrollBar.style == R_SB_RXVT) {
1638 if (scrollbarrxvt_upButton(ev->y))
1639 upordown = -1; /* up */
1640 else if (scrollbarrxvt_dnButton(ev->y))
1641 upordown = 1; /* down */
1644 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1645 h->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1647 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1654 switch (ev->button) {
1656 switch (h->scrollbar_align) {
1657 case R_SB_ALIGN_TOP:
1660 case R_SB_ALIGN_CENTRE:
1661 h->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1663 case R_SB_ALIGN_BOTTOM:
1664 h->csrO = R->scrollBar.bot - R->scrollBar.top;
1667 if (R->scrollBar.style == R_SB_XTERM
1668 || scrollbar_above_slider(ev->y)
1669 || scrollbar_below_slider(ev->y))
1670 rxvt_scr_move_to(aR_
1671 scrollbar_position(ev->y) - h->csrO,
1673 scrollbar_setMotion();
1677 if (h->scrollbar_align == R_SB_ALIGN_CENTRE)
1678 h->csrO = ev->y - R->scrollBar.top;
1682 if (R->scrollBar.style != R_SB_XTERM) {
1683 if (scrollbar_above_slider(ev->y))
1684 # ifdef RXVT_SCROLL_FULL
1685 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1687 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1689 else if (scrollbar_below_slider(ev->y))
1690 # ifdef RXVT_SCROLL_FULL
1691 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1693 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1696 scrollbar_setMotion();
1698 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1700 * scrollbar_position(ev->y)
1701 / scrollbar_size()));
1710 * Menubar window processing of button press
1712 if (isMenuBarWindow(ev->window))
1713 rxvt_menubar_control(aR_ ev);
1719 rxvt_button_release(pR_ XButtonEvent *ev)
1723 R->h->csrO = 0; /* reset csr Offset */
1724 if (!R->h->bypass_keystate)
1725 reportmode = !!(R->h->PrivateModes & PrivMode_mouse_report);
1727 if (scrollbar_isUpDn()) {
1728 scrollbar_setIdle();
1729 rxvt_scrollbar_show(aR_ 0);
1730 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1731 R->h->refresh_type &= ~SMOOTH_REFRESH;
1734 #ifdef SELECTION_SCROLLING
1735 R->h->pending_scroll_selection=0;
1737 if (ev->window == R->TermWin.vt)
1739 #ifdef RXVT_GRAPHICS
1740 if (ev->subwindow != None)
1741 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1747 /* mouse report from vt window */
1748 /* don't report release of wheel "buttons" */
1749 if (ev->button >= 4)
1751 #ifdef MOUSE_REPORT_DOUBLECLICK
1752 /* only report the release of 'slow' single clicks */
1753 if (R->h->MEvent.button != AnyButton
1754 && (ev->button != R->h->MEvent.button
1755 || (ev->time - R->h->MEvent.time
1756 > MULTICLICK_TIME / 2)))
1758 R->h->MEvent.clicks = 0;
1759 R->h->MEvent.button = AnyButton;
1760 rxvt_mouse_report(aR_ ev);
1762 #else /* MOUSE_REPORT_DOUBLECLICK */
1763 R->h->MEvent.button = AnyButton;
1764 rxvt_mouse_report(aR_ ev);
1765 #endif /* MOUSE_REPORT_DOUBLECLICK */
1769 * dumb hack to compensate for the failure of click-and-drag
1770 * when overriding mouse reporting
1772 if (R->h->PrivateModes & PrivMode_mouse_report
1773 && R->h->bypass_keystate
1774 && ev->button == Button1 && R->h->MEvent.clicks <= 1)
1775 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1777 switch (ev->button) {
1780 rxvt_selection_make(aR_ ev->time);
1783 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1791 v = (ev->button == Button4) ? UP : DN;
1792 if (ev->state & ShiftMask)
1794 else if ((R->Options & Opt_mouseWheelScrollPage))
1795 i = R->TermWin.nrow - 1;
1798 # ifdef MOUSE_SLIP_WHEELING
1799 if (ev->state & ControlMask)
1801 R->h->mouse_slip_wheel_speed += (v ? -1 : 1);
1802 R->h->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1805 # ifdef JUMP_MOUSE_WHEEL
1806 rxvt_scr_page(aR_ v, i);
1807 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1808 rxvt_scrollbar_show(aR_ 1);
1812 rxvt_scr_page(aR_ v, 1);
1813 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1814 rxvt_scrollbar_show(aR_ 1);
1824 else if (isMenuBarWindow(ev->window))
1825 rxvt_menubar_control(aR_ ev);
1832 * Check our parents are still who we think they are.
1833 * Do transparency updates if required
1837 rxvt_check_our_parents(pR)
1839 int i, pchanged, aformat, have_pixmap, rootdepth;
1840 unsigned long nitems, bytes_after;
1842 unsigned char *prop = NULL;
1843 Window root, oldp, *list;
1844 Pixmap rootpixmap = None;
1845 XWindowAttributes wattr, wrootattr;
1849 if (!(R->Options & Opt_transparent))
1850 return pchanged; /* Don't try any more */
1852 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1853 rootdepth = wrootattr.depth;
1855 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1856 if (rootdepth != wattr.depth) {
1857 if (R->h->am_transparent) {
1859 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1860 R->PixColors[Color_bg]);
1861 R->h->am_transparent = R->h->am_pixmap_trans = 0;
1863 return pchanged; /* Don't try any more */
1866 /* Get all X ops out of the queue so that our information is up-to-date. */
1867 XSync(R->Xdisplay, False);
1870 * Make the frame window set by the window manager have
1871 * the root background. Some window managers put multiple nested frame
1872 * windows for each client, so we have to take care about that.
1874 i = (R->h->xa[XA_XROOTPMAPID] != 0
1875 && (XGetWindowProperty(R->Xdisplay, Xroot, R->h->xa[XA_XROOTPMAPID],
1876 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1877 &nitems, &bytes_after, &prop) == Success));
1878 if (!i || prop == NULL)
1882 rootpixmap = *((Pixmap *)prop);
1887 * Copy Xroot pixmap transparency
1890 unsigned int nw, nh;
1896 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1897 0, 0, &sx, &sy, &cr);
1898 nw = (unsigned int)R->szHint.width;
1899 nh = (unsigned int)R->szHint.height;
1911 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1912 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1913 R->h->allowedxerror = -1;
1914 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1916 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1917 /* XXX: may need a delay here? */
1918 R->h->allowedxerror = 0;
1919 if (image == NULL) {
1920 if (R->h->am_transparent && R->h->am_pixmap_trans) {
1922 if (R->TermWin.pixmap != None) {
1923 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1924 R->TermWin.pixmap = None;
1927 R->h->am_pixmap_trans = 0;
1929 if (R->TermWin.pixmap != None)
1930 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1931 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1932 (unsigned int)R->szHint.width,
1933 (unsigned int)R->szHint.height,
1934 (unsigned int)image->depth);
1935 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1936 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1937 nx, ny, (unsigned int)image->width,
1938 (unsigned int)image->height);
1939 XFreeGC(R->Xdisplay, gc);
1940 XDestroyImage(image);
1941 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1943 if (!R->h->am_transparent || !R->h->am_pixmap_trans)
1945 R->h->am_transparent = R->h->am_pixmap_trans = 1;
1948 if (!R->h->am_pixmap_trans) {
1951 * InheritPixmap transparency
1953 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
1954 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
1956 oldp = R->TermWin.parent[i];
1957 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
1958 &R->TermWin.parent[i], &list, &n);
1960 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
1961 if (R->TermWin.parent[i] == Xroot) {
1966 if (oldp != R->TermWin.parent[i])
1971 for (; n < (unsigned int)i; n++) {
1972 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
1973 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
1974 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
1975 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
1980 if (n > (int)(sizeof(R->TermWin.parent)
1981 / sizeof(R->TermWin.parent[0]))) {
1982 D_X((stderr, "InheritPixmap Turning off"));
1983 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
1984 R->PixColors[Color_fg]);
1985 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1986 R->PixColors[Color_bg]);
1987 R->h->am_transparent = 0;
1988 /* XXX: also turn off Opt_transparent? */
1990 /* wait (an arbitrary period) for the WM to do its thing
1991 * needed for fvwm2.2.2 (and before?) */
1992 # ifdef HAVE_NANOSLEEP
1993 struct timespec rqt;
1997 nanosleep(&rqt, NULL);
2001 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2002 for (n = 0; n < (unsigned int)i; n++)
2003 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2005 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2007 R->h->am_transparent = 1;
2009 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2010 R->TermWin.parent[i] = None;
2019 /*----------------------------------------------------------------------*/
2023 rxvt_popen_printer(pR)
2025 FILE *stream = popen(R->h->rs[Rs_print_pipe], "w");
2028 rxvt_print_error("can't open printer pipe");
2034 rxvt_pclose_printer(FILE *stream)
2037 /* pclose() reported not to work on SunOS 4.1.3 */
2038 # if defined (__sun__) /* TODO: RESOLVE THIS */
2039 /* pclose works provided SIGCHLD handler uses waitpid */
2040 return pclose(stream); /* return fclose (stream); */
2042 return pclose(stream);
2047 * simulate attached vt100 printer
2051 rxvt_process_print_pipe(pR)
2056 if ((fd = rxvt_popen_printer(aR)) == NULL)
2060 * Send all input to the printer until either ESC[4i or ESC[?4i
2063 for (done = 0; !done;) {
2064 unsigned char buf[8];
2066 unsigned int i, len;
2068 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2069 if (putc(ch, fd) == EOF)
2070 break; /* done = 1 */
2075 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2076 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2078 ch = rxvt_cmd_getc(aR);
2080 if ((buf[len++] = ch) == '4') {
2081 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2082 break; /* done = 1 */
2085 for (i = 0; i < len; i++)
2086 if (putc(buf[i], fd) == EOF) {
2092 rxvt_pclose_printer(fd);
2094 #endif /* PRINTPIPE */
2100 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2101 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2102 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2103 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2107 /*{{{ process non-printing single characters */
2110 rxvt_process_nonprinting(pR_ unsigned char ch)
2113 case C0_ENQ: /* terminal Status */
2114 if (R->h->rs[Rs_answerbackstring])
2116 (const unsigned char *)R->h->rs[Rs_answerbackstring],
2117 (unsigned int)STRLEN(R->h->rs[Rs_answerbackstring]));
2119 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2120 (unsigned int)STRLEN(VT100_ANS));
2122 case C0_BEL: /* bell */
2125 case C0_BS: /* backspace */
2126 rxvt_scr_backspace(aR);
2128 case C0_HT: /* tab */
2129 rxvt_scr_tab(aR_ 1);
2131 case C0_CR: /* carriage return */
2132 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2134 case C0_VT: /* vertical tab, form feed */
2136 case C0_LF: /* line feed */
2137 rxvt_scr_index(aR_ UP);
2139 case C0_SO: /* shift out - acs */
2140 rxvt_scr_charset_choose(aR_ 1);
2142 case C0_SI: /* shift in - acs */
2143 rxvt_scr_charset_choose(aR_ 0);
2150 /*{{{ process VT52 escape sequences */
2153 rxvt_process_escape_vt52(pR_ unsigned char ch)
2158 case 'A': /* cursor up */
2159 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2161 case 'B': /* cursor down */
2162 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2164 case 'C': /* cursor right */
2165 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2167 case 'D': /* cursor left */
2168 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2170 case 'H': /* cursor home */
2171 rxvt_scr_gotorc(aR_ 0, 0, 0);
2173 case 'I': /* cursor up and scroll down if needed */
2174 rxvt_scr_index(aR_ DN);
2176 case 'J': /* erase to end of screen */
2177 rxvt_scr_erase_screen(aR_ 0);
2179 case 'K': /* erase to end of line */
2180 rxvt_scr_erase_line(aR_ 0);
2182 case 'Y': /* move to specified row and col */
2183 /* full command is 'ESC Y row col' where row and col
2184 * are encoded by adding 32 and sending the ascii
2185 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2187 row = rxvt_cmd_getc(aR) - ' ';
2188 col = rxvt_cmd_getc(aR) - ' ';
2189 rxvt_scr_gotorc(aR_ row, col, 0);
2191 case 'Z': /* identify the terminal type */
2192 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */
2194 case '<': /* turn off VT52 mode */
2195 PrivMode(0, PrivMode_vt52);
2197 case 'F': /* use special graphics character set */
2198 case 'G': /* use regular character set */
2201 case '=': /* use alternate keypad mode */
2202 case '>': /* use regular keypad mode */
2210 /*{{{ process escape sequences */
2213 rxvt_process_escape_seq(pR)
2215 unsigned char ch = rxvt_cmd_getc(aR);
2217 if (R->h->PrivateModes & PrivMode_vt52) {
2218 rxvt_process_escape_vt52(aR_ ch);
2223 /* case 1: do_tek_mode (); break; */
2225 if (rxvt_cmd_getc(aR) == '8')
2229 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2232 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2235 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2238 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2240 #ifdef MULTICHAR_SET
2242 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2247 rxvt_scr_backindex(aR);
2251 rxvt_scr_cursor(aR_ SAVE);
2254 rxvt_scr_cursor(aR_ RESTORE);
2258 rxvt_scr_forwardindex(aR);
2263 PrivMode((ch == '='), PrivMode_aplKP);
2270 rxvt_scr_index(aR_ UP);
2273 /* 8.3.87: NEXT LINE */
2274 case C1_NEL: /* ESC E */
2276 uint32_t nlcr[] = { '\n', '\r' };
2277 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2281 /* kidnapped escape sequence: Should be 8.3.48 */
2282 case C1_ESA: /* ESC G */
2283 rxvt_process_graphics(aR);
2286 /* 8.3.63: CHARACTER TABULATION SET */
2287 case C1_HTS: /* ESC H */
2288 rxvt_scr_set_tab(aR_ 1);
2291 /* 8.3.105: REVERSE LINE FEED */
2292 case C1_RI: /* ESC M */
2293 rxvt_scr_index(aR_ DN);
2296 /* 8.3.142: SINGLE-SHIFT TWO */
2297 /*case C1_SS2: scr_single_shift (2); break; */
2299 /* 8.3.143: SINGLE-SHIFT THREE */
2300 /*case C1_SS3: scr_single_shift (3); break; */
2302 /* 8.3.27: DEVICE CONTROL STRING */
2303 case C1_DCS: /* ESC P */
2304 rxvt_process_dcs_seq(aR);
2307 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2308 case C1_SCI: /* ESC Z */
2309 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER,
2310 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2311 break; /* steal obsolete ESC [ c */
2313 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2314 case C1_CSI: /* ESC [ */
2315 rxvt_process_csi_seq(aR);
2318 /* 8.3.90: OPERATING SYSTEM COMMAND */
2319 case C1_OSC: /* ESC ] */
2320 rxvt_process_osc_seq(aR);
2323 /* 8.3.106: RESET TO INITIAL STATE */
2325 rxvt_scr_poweron(aR);
2326 rxvt_scrollbar_show(aR_ 1);
2329 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2331 rxvt_scr_charset_choose(aR_ 2);
2334 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2336 rxvt_scr_charset_choose(aR_ 3);
2342 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2346 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2347 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2348 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2349 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2350 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2351 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2352 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2353 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2356 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2357 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2358 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2359 #define get_byte_array_bit(array, bit) \
2360 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2362 const unsigned char csi_defaults[] = {
2363 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2364 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2365 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2366 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2367 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2368 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2369 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2370 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2376 rxvt_process_csi_seq(pR)
2378 unsigned char ch, priv, i;
2379 unsigned int nargs, p;
2383 for (nargs = ESC_ARGS; nargs > 0;)
2387 ch = rxvt_cmd_getc(aR);
2388 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2390 ch = rxvt_cmd_getc(aR);
2392 /* read any numerical arguments */
2393 for (n = -1; ch < CSI_ICH; ) {
2398 n = n * 10 + ch - '0';
2399 } else if (ch == ';') {
2400 if (nargs < ESC_ARGS)
2403 } else if (ch == '\b') {
2404 rxvt_scr_backspace(aR);
2405 } else if (ch == C0_ESC) {
2406 rxvt_process_escape_seq(aR);
2408 } else if (ch < ' ') {
2409 rxvt_process_nonprinting(aR_ ch);
2411 ch = rxvt_cmd_getc(aR);
2417 if (nargs < ESC_ARGS)
2421 ndef = get_byte_array_bit(csi_defaults, i);
2422 for (p = 0; p < nargs; p++)
2427 fprintf(stderr, "CSI ");
2428 for (p = 0; p < nargs; p++)
2429 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2430 fprintf(stderr, "%c\n", ch);
2434 * private mode handling
2439 if (ch == CSI_DA) /* secondary device attributes */
2440 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2443 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2444 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2452 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2455 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2457 case 0: /* initiate transfer to primary aux device */
2458 rxvt_scr_printscreen(aR_ 0);
2460 case 5: /* start relay to primary aux device */
2461 rxvt_process_print_pipe(aR);
2467 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2468 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2471 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2472 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2473 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2476 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2477 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2480 #else /* emulate common DEC VTs */
2481 arg[0] = arg[0] ? -arg[0] : -1;
2484 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2485 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2487 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2488 #else /* emulate common DEC VTs */
2489 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2493 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2496 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2497 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2500 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2501 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2502 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2505 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2506 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2509 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2510 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2511 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2514 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2517 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2518 rxvt_scr_tab(aR_ arg[0]);
2521 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2522 rxvt_scr_erase_screen(aR_ arg[0]);
2525 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2526 rxvt_scr_erase_line(aR_ arg[0]);
2529 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2530 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2533 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2534 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2537 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2538 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2541 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2542 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2545 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2546 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2549 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2552 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2553 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2556 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2557 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2558 (unsigned int)(sizeof(VT100_ANS) - 1));
2561 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2562 rxvt_process_sgr_mode(aR_ nargs, arg);
2565 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2567 case 5: /* DSR requested */
2568 rxvt_tt_printf(aR_ "\033[0n");
2570 case 6: /* CPR requested */
2571 rxvt_scr_report_position(aR);
2573 #if defined (ENABLE_DISPLAY_ANSWER)
2574 case 7: /* unofficial extension */
2575 rxvt_tt_printf(aR_ "%-.250s\n", R->h->rs[Rs_display_name]);
2578 case 8: /* unofficial extension */
2579 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2584 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2586 case 0: /* char tab stop cleared at active position */
2587 rxvt_scr_set_tab(aR_ 0);
2589 /* case 1: */ /* line tab stop cleared in active line */
2590 /* case 2: */ /* char tab stops cleared in active line */
2591 case 3: /* all char tab stops are cleared */
2592 /* case 4: */ /* all line tab stops are cleared */
2593 case 5: /* all tab stops are cleared */
2594 rxvt_scr_set_tab(aR_ -1);
2599 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2601 case 0: /* char tab stop set at active position */
2602 rxvt_scr_set_tab(aR_ 1);
2603 break; /* = ESC H */
2604 /* case 1: */ /* line tab stop set at active line */
2605 case 2: /* char tab stop cleared at active position */
2606 rxvt_scr_set_tab(aR_ 0);
2607 break; /* = ESC [ 0 g */
2608 /* case 3: */ /* line tab stop cleared at active line */
2609 /* case 4: */ /* char tab stops cleared at active line */
2610 case 5: /* all char tab stops are cleared */
2611 rxvt_scr_set_tab(aR_ -1);
2612 break; /* = ESC [ 3 g */
2613 /* case 6: */ /* all line tab stops are cleared */
2617 case CSI_RM: /* 8.3.107: RESET MODE */
2619 rxvt_scr_insert_mode(aR_ 0);
2622 case CSI_SM: /* 8.3.126: SET MODE */
2624 rxvt_scr_insert_mode(aR_ 1);
2628 * PRIVATE USE beyond this point. All CSI_7? sequences here
2630 case CSI_72: /* DECSTBM: set top and bottom margins */
2632 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2633 else if (nargs == 0 || arg[0] >= arg[1])
2634 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2636 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2640 rxvt_scr_cursor(aR_ SAVE);
2643 rxvt_scr_cursor(aR_ RESTORE);
2648 rxvt_process_window_ops(aR_ arg, nargs);
2652 case CSI_78: /* DECREQTPARM */
2653 if (arg[0] == 0 || arg[0] == 1)
2654 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2667 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2673 XWindowAttributes wattr;
2682 case 1: /* deiconify window */
2683 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2685 case 2: /* iconify window */
2686 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2687 DefaultScreen(R->Xdisplay));
2689 case 3: /* set position (pixels) */
2690 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2692 case 4: /* set size (pixels) */
2693 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2695 case 5: /* raise window */
2696 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2698 case 6: /* lower window */
2699 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2701 case 7: /* refresh window */
2702 rxvt_scr_touch(aR_ True);
2704 case 8: /* set size (chars) */
2705 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2706 (unsigned int)(args[1] * R->TermWin.fheight));
2709 if (args[0] >= 24) /* set height (chars) */
2710 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2711 (unsigned int)(args[1] * R->TermWin.fheight));
2714 * reports - some output format copied from XTerm
2716 case 11: /* report window state */
2717 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2718 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2720 case 13: /* report window position */
2721 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2722 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2723 -wattr.border_width, -wattr.border_width,
2725 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y);
2727 case 14: /* report window size (pixels) */
2728 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2729 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width);
2731 case 18: /* report window size (chars) */
2732 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2734 #if 0 /* XXX: currently disabled due to security concerns */
2735 case 20: /* report icon label */
2736 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2737 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2739 case 21: /* report window title */
2740 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2741 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2748 /*----------------------------------------------------------------------*/
2750 * get input up until STRING TERMINATOR (or BEL)
2751 * ends_how is terminator used. returned input must be free()d
2755 rxvt_get_to_st(pR_ unsigned char *ends_how)
2757 int seen_esc = 0; /* seen escape? */
2760 unsigned char ch, string[STRING_MAX];
2762 for (; (ch = rxvt_cmd_getc(aR));) {
2765 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2770 } else if (ch == '\t')
2771 ch = ' '; /* translate '\t' to space */
2772 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2773 return NULL; /* other control character - exit */
2774 if (n < sizeof(string) - 1)
2779 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2781 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2782 STRNCPY(s, string, n);
2786 /*----------------------------------------------------------------------*/
2788 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2792 rxvt_process_dcs_seq(pR)
2794 unsigned char eh, *s;
2798 s = rxvt_get_to_st(aR_ &eh);
2804 /*----------------------------------------------------------------------*/
2806 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2810 rxvt_process_osc_seq(pR)
2812 unsigned char ch, eh, *s;
2815 ch = rxvt_cmd_getc(aR);
2816 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2817 arg = arg * 10 + (ch - '0');
2820 s = rxvt_get_to_st(aR_ &eh);
2823 * rxvt_menubar_dispatch() violates the constness of the string,
2826 if (arg == XTerm_Menu)
2827 #if 0 /* XXX: currently disabled due to security concerns */
2828 rxvt_menubar_dispatch(aR_ (char *)s);
2833 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2839 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2840 * 0 = change iconName/title
2841 * 1 = change iconName
2844 * 12 = change text color
2845 * 13 = change mouse foreground color
2846 * 17 = change highlight character colour
2847 * 18 = change bold character color
2848 * 19 = change underlined character color
2849 * 46 = change logfile (not implemented)
2853 * 10 = menu (may change in future)
2855 * 39 = change default fg color
2856 * 49 = change default bg color
2857 * 55 = dump scrollback buffer and all of screen
2861 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2867 assert(str != NULL);
2870 rxvt_set_title(aR_ str);
2872 case XTerm_iconName:
2873 rxvt_set_iconName(aR_ str);
2876 rxvt_set_title(aR_ str);
2879 for (buf = (char *)str; buf && *buf;) {
2880 if ((name = STRCHR(buf, ';')) == NULL)
2884 if (color < 0 || color >= TOTAL_COLORS)
2886 if ((buf = STRCHR(name, ';')) != NULL)
2888 rxvt_set_window_color(aR_ color + minCOLOR, name);
2891 #ifndef NO_CURSORCOLOR
2892 case XTerm_Color_cursor:
2893 rxvt_set_window_color(aR_ Color_cursor, str);
2896 case XTerm_Color_pointer:
2897 rxvt_set_window_color(aR_ Color_pointer, str);
2899 #ifndef NO_BOLD_UNDERLINE_REVERSE
2900 case XTerm_Color_BD:
2901 rxvt_set_window_color(aR_ Color_BD, str);
2903 case XTerm_Color_UL:
2904 rxvt_set_window_color(aR_ Color_UL, str);
2906 case XTerm_Color_RV:
2907 rxvt_set_window_color(aR_ Color_RV, str);
2913 * rxvt_menubar_dispatch() violates the constness of the string,
2914 * so DON'T do it here
2920 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2921 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2923 rxvt_scr_touch(aR_ True);
2925 while ((str = STRCHR(str, ';')) != NULL) {
2928 changed += rxvt_scale_pixmap(aR_ str);
2932 #ifdef XPM_BACKGROUND
2933 rxvt_resize_pixmap(aR);
2935 rxvt_scr_touch(aR_ True);
2939 case XTerm_restoreFG:
2940 rxvt_set_window_color(aR_ Color_fg, str);
2942 case XTerm_restoreBG:
2943 rxvt_set_window_color(aR_ Color_bg, str);
2948 rxvt_change_font(aR_ 0, str);
2951 case XTerm_dumpscreen: /* no error notices */
2954 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
2955 rxvt_scr_dump(aR_ fd);
2963 /*----------------------------------------------------------------------*/
2965 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
2967 * mode can only have the following values:
2973 * so no need for fancy checking
2977 rxvt_privcases(pR_ int mode, unsigned long bit)
2982 R->h->SavedModes |= (R->h->PrivateModes & bit);
2986 state = (R->h->SavedModes & bit) ? 1 : 0; /* no overlapping */
2988 state = (mode == 't') ? !(R->h->PrivateModes & bit) : mode;
2989 PrivMode(state, bit);
2994 /* we're not using priv _yet_ */
2997 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3001 static const struct {
3003 const unsigned long bit;
3005 { 1, PrivMode_aplCUR },
3006 { 2, PrivMode_vt52 },
3007 { 3, PrivMode_132 },
3008 { 4, PrivMode_smoothScroll },
3009 { 5, PrivMode_rVideo },
3010 { 6, PrivMode_relOrigin },
3011 { 7, PrivMode_Autowrap },
3012 { 9, PrivMode_MouseX10 },
3014 { menuBar_esc, PrivMode_menuBar },
3016 #ifdef scrollBar_esc
3017 { scrollBar_esc, PrivMode_scrollBar },
3019 { 25, PrivMode_VisibleCursor },
3020 { 35, PrivMode_ShiftKeys },
3021 { 40, PrivMode_132OK },
3022 { 47, PrivMode_Screen },
3023 { 66, PrivMode_aplKP },
3024 #ifndef NO_BACKSPACE_KEY
3025 { 67, PrivMode_BackSpace },
3027 { 1000, PrivMode_MouseX11 },
3028 { 1010, PrivMode_TtyOutputInh },
3029 { 1011, PrivMode_Keypress },
3030 { 1047, PrivMode_Screen },
3036 /* make lo/hi boolean */
3038 mode = 0; /* reset */
3039 else if (mode == 'h')
3042 for (i = 0; i < nargs; i++) {
3045 /* basic handling */
3046 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3047 if (argtopriv[j].argval == arg[i]) {
3048 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3052 /* extra handling for values with state unkept */
3055 case 1048: /* alternative cursor save */
3057 rxvt_scr_cursor(aR_ RESTORE);
3059 rxvt_scr_cursor(aR_ SAVE);
3062 continue; /* for(;i;) */
3065 /* extra handling for values with valid 0 or 1 state */
3067 /* case 1: - application cursor keys */
3068 case 2: /* VT52 mode */
3069 /* oddball mode. should be set regardless of set/reset
3070 * parameter. Return from VT52 mode with an ESC < from
3073 PrivMode(1, PrivMode_vt52);
3075 case 3: /* 80/132 */
3076 if (R->h->PrivateModes & PrivMode_132OK)
3077 rxvt_set_widthheight(aR_
3078 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3079 (unsigned int)R->TermWin.height);
3081 case 4: /* smooth scrolling */
3083 R->Options &= ~Opt_jumpScroll;
3085 R->Options |= Opt_jumpScroll;
3087 case 5: /* reverse video */
3088 rxvt_scr_rvideo_mode(aR_ state);
3090 case 6: /* relative/absolute origins */
3091 rxvt_scr_relative_origin(aR_ state);
3093 case 7: /* autowrap */
3094 rxvt_scr_autowrap(aR_ state);
3096 /* case 8: - auto repeat, can't do on a per window basis */
3097 case 9: /* X10 mouse reporting */
3098 if (state) /* orthogonal */
3099 R->h->PrivateModes &= ~(PrivMode_MouseX11);
3104 rxvt_map_menuBar(aR_ state);
3108 #ifdef scrollBar_esc
3110 if (rxvt_scrollbar_mapping(aR_ state)) {
3111 rxvt_resize_all_windows(aR_ 0, 0, 0);
3112 rxvt_scr_touch(aR_ True);
3116 case 25: /* visible/invisible cursor */
3117 rxvt_scr_cursor_visible(aR_ state);
3119 /* case 35: - shift keys */
3120 /* case 40: - 80 <--> 132 mode */
3121 case 47: /* secondary screen */
3122 rxvt_scr_change_screen(aR_ state);
3124 /* case 66: - application key pad */
3125 /* case 67: - backspace key */
3126 case 1000: /* X11 mouse reporting */
3127 if (state) /* orthogonal */
3128 R->h->PrivateModes &= ~(PrivMode_MouseX10);
3132 break; /* X11 mouse highlighting */
3134 case 1010: /* scroll to bottom on TTY output inhibit */
3136 R->Options &= ~Opt_scrollTtyOutput;
3138 R->Options |= Opt_scrollTtyOutput;
3140 case 1011: /* scroll to bottom on key press */
3142 R->Options |= Opt_scrollTtyKeypress;
3144 R->Options &= ~Opt_scrollTtyKeypress;
3146 case 1047: /* secondary screen w/ clearing */
3147 if (R->h->current_screen != PRIMARY)
3148 rxvt_scr_erase_screen(aR_ 2);
3149 rxvt_scr_change_screen(aR_ state);
3158 /*{{{ process sgr sequences */
3161 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3168 rxvt_scr_rendition(aR_ 0, ~RS_None);
3171 for (i = 0; i < nargs; i++) {
3175 rendset = 0, rendstyle = ~RS_None;
3178 rendset = 1, rendstyle = RS_Bold;
3181 rendset = 1, rendstyle = RS_Uline;
3184 rendset = 1, rendstyle = RS_Blink;
3187 rendset = 1, rendstyle = RS_RVid;
3190 rendset = 0, rendstyle = RS_Bold;
3193 rendset = 0, rendstyle = RS_Uline;
3196 rendset = 0, rendstyle = RS_Blink;
3199 rendset = 0, rendstyle = RS_RVid;
3202 if (rendset != -1) {
3203 rxvt_scr_rendition(aR_ rendset, rendstyle);
3204 continue; /* for(;i;) */
3209 case 31: /* set fg color */
3216 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3221 if (nargs > i + 2 && arg[i + 1] == 5) {
3222 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3228 case 39: /* default fg */
3229 rxvt_scr_color(aR_ Color_fg, Color_fg);
3233 case 41: /* set bg color */
3240 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3245 if (nargs > i + 2 && arg[i + 1] == 5) {
3246 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3252 case 49: /* default bg */
3253 rxvt_scr_color(aR_ Color_bg, Color_bg);
3256 #ifndef NO_BRIGHTCOLOR
3258 case 91: /* set bright fg color */
3265 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3269 case 101: /* set bright bg color */
3276 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3285 /*{{{ process Rob Nation's own graphics mode sequences */
3288 rxvt_process_graphics(pR)
3290 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3292 #ifndef RXVT_GRAPHICS
3293 if (cmd == 'Q') { /* query graphics */
3294 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3297 /* swallow other graphics sequences until terminating ':' */
3299 ch = rxvt_cmd_getc(aR);
3304 unsigned char *text = NULL;
3306 if (cmd == 'Q') { /* query graphics */
3307 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3310 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3313 ch = rxvt_cmd_getc(aR);
3315 if (neg || ch == '+')
3316 ch = rxvt_cmd_getc(aR);
3318 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3319 args[nargs] = args[nargs] * 10 + (ch - '0');
3321 args[nargs] = -args[nargs];
3329 if ((cmd == 'T') && (nargs >= 5)) {
3330 int i, len = args[4];
3332 text = rxvt_malloc((len + 1) * sizeof(char));
3335 for (i = 0; i < len; i++)
3336 text[i] = rxvt_cmd_getc(aR);
3340 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3345 /* ------------------------------------------------------------------------- */
3347 /*{{{ Read and process output from the application */
3352 uint32_t ch, *str, buf[BUFSIZ];
3353 int nlines, refreshnow;
3354 struct rxvt_hidden *h = R->h;
3356 h->cmdbuf_ptr = h->cmdbuf_endp = h->cmdbuf_base;
3358 /* once we know the shell is running, send the screen size. Again! */
3359 ch = rxvt_cmd_getc(aR); /* wait for something */
3360 rxvt_tt_winsize(R->cmd_fd, R->TermWin.ncol, R->TermWin.nrow, R->h->cmd_pid);
3365 ch = rxvt_cmd_getc(aR);
3367 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
3369 /* Read a text string from the input buffer */
3375 ch = next_char (aR);
3377 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
3387 if (!(R->Options & Opt_jumpScroll)
3388 || (h->refresh_count >= (h->refresh_limit
3389 * (R->TermWin.nrow - 1))))
3397 if (str >= buf + BUFSIZ)
3405 rxvt_scr_add_lines(aR_ buf, nlines, str - buf);
3408 * If there have been a lot of new lines, then update the screen
3409 * What the heck I'll cheat and only refresh less than every page-full.
3410 * the number of pages between refreshes is h->refresh_limit, which
3411 * is incremented here because we must be doing flat-out scrolling.
3413 * refreshing should be correct for small scrolls, because of the
3417 //TODO: REFRESH_PERIOD is one, fix it
3422 if ((R->Options & Opt_jumpScroll) && h->refresh_limit < REFRESH_PERIOD)
3425 rxvt_scr_refresh(aR_ h->refresh_type);
3434 rxvt_process_nonprinting(aR_ ch);
3436 case C0_ESC: /* escape char */
3437 rxvt_process_escape_seq(aR);
3439 /* case 0x9b: */ /* CSI */
3440 /* rxvt_process_csi_seq(aR); */
3450 * Send printf() formatted output to the command.
3451 * Only use for small amounts of data.
3455 rxvt_tt_printf(pR_ const char *fmt,...)
3458 unsigned char buf[256];
3460 va_start(arg_ptr, fmt);
3461 vsprintf((char *)buf, fmt, arg_ptr);
3463 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf));
3466 /* ---------------------------------------------------------------------- */
3467 /* Addresses pasting large amounts of data and rxvt hang
3468 * code pinched from xterm (v_write()) and applied originally to
3470 * Write data to the pty as typed by the user, pasted with the mouse,
3471 * or generated by us in response to a query ESC sequence.
3475 rxvt_tt_write(pR_ const unsigned char *d, unsigned int len)
3477 #define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */
3480 unsigned char *v_buffer, /* start of physical buffer */
3481 *v_bufstr, /* start of current buffer pending */
3482 *v_bufptr, /* end of current buffer pending */
3483 *v_bufend; /* end of physical buffer */
3485 if (R->h->v_bufstr == NULL && len > 0) {
3486 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3487 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p);
3488 v_bufend = v_buffer + p;
3490 v_buffer = R->h->v_buffer;
3491 v_bufstr = R->h->v_bufstr;
3492 v_bufptr = R->h->v_bufptr;
3493 v_bufend = R->h->v_bufend;
3497 * Append to the block we already have. Always doing this simplifies the
3498 * code, and isn't too bad, either. If this is a short block, it isn't
3499 * too expensive, and if this is a long block, we won't be able to write
3503 if (v_bufend < v_bufptr + len) { /* run out of room */
3504 if (v_bufstr != v_buffer) {
3505 /* there is unused space, move everything down */
3506 MEMMOVE(v_buffer, v_bufstr,
3507 (unsigned int)(v_bufptr - v_bufstr));
3508 v_bufptr -= v_bufstr - v_buffer;
3509 v_bufstr = v_buffer;
3511 if (v_bufend < v_bufptr + len) {
3512 /* still won't fit: get more space */
3513 /* use most basic realloc because an error is not fatal. */
3514 unsigned int size = v_bufptr - v_buffer;
3515 unsigned int reallocto;
3517 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3518 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3519 /* save across realloc */
3521 v_bufstr = v_buffer;
3522 v_bufptr = v_buffer + size;
3523 v_bufend = v_buffer + reallocto;
3524 } else { /* no memory: ignore entire write request */
3525 rxvt_print_error("data loss: cannot allocate buffer space");
3526 v_buffer = v_bufstr; /* restore clobbered pointer */
3530 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */
3531 MEMCPY(v_bufptr, d, len);
3537 * Write out as much of the buffer as we can.
3538 * Be careful not to overflow the pty's input silo.
3539 * We are conservative here and only write a small amount at a time.
3541 * If we can't push all the data into the pty yet, we expect write
3542 * to return a non-negative number less than the length requested
3543 * (if some data written) or -1 and set errno to EAGAIN,
3544 * EWOULDBLOCK, or EINTR (if no data written).
3546 * (Not all systems do this, sigh, so the code is actually
3547 * a little more forgiving.)
3549 if ((p = v_bufptr - v_bufstr) > 0) {
3550 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3554 if (v_bufstr >= v_bufptr) /* we wrote it all */
3555 v_bufstr = v_bufptr = v_buffer;
3558 * If we have lots of unused memory allocated, return it
3560 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3561 /* save pointers across realloc */
3562 unsigned int start = v_bufstr - v_buffer;
3563 unsigned int size = v_bufptr - v_buffer;
3564 unsigned int reallocto;
3566 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3567 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3569 v_bufstr = v_buffer + start;
3570 v_bufptr = v_buffer + size;
3571 v_bufend = v_buffer + reallocto;
3573 /* should we print a warning if couldn't return memory? */
3574 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3577 R->h->v_buffer = v_buffer;
3578 R->h->v_bufstr = v_bufstr;
3579 R->h->v_bufptr = v_bufptr;
3580 R->h->v_bufend = v_bufend;
3582 /*----------------------- end-of-file (C source) -----------------------*/