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Comparing rxvt-unicode/src/command.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.10 by pcg, Thu Nov 27 16:49:45 2003 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: command.c 2 * File: command.c
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.3 2003/11/25 11:52:42 pcg Exp $ 4 * $Id: command.C,v 1.10 2003/11/27 16:49:45 pcg Exp $
5 * 5 *
6 * All portions of code are copyright by their respective author/s. 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> 7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
237 /* escape prefix */ 237 /* escape prefix */
238 if (meta) 238 if (meta)
239# ifdef META8_OPTION 239# ifdef META8_OPTION
240 if (R->meta_char == C0_ESC) 240 if (R->meta_char == C0_ESC)
241# endif 241# endif
242 rxvt_tt_write(aR_ &ch, 1); 242 R->tt_write(&ch, 1);
243 rxvt_tt_write(aR_ kbuf0, l); 243 R->tt_write(kbuf0, l);
244 return; 244 return;
245 } else 245 } else
246#endif 246#endif
247 { 247 {
248 newlen = 1; 248 newlen = 1;
605 && (R->meta_char == C0_ESC) 605 && (R->meta_char == C0_ESC)
606#endif 606#endif
607 ) { 607 ) {
608 const unsigned char ch = C0_ESC; 608 const unsigned char ch = C0_ESC;
609 609
610 rxvt_tt_write(aR_ &ch, 1); 610 R->tt_write(&ch, 1);
611 } 611 }
612#ifdef DEBUG_CMD 612#ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */ 613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p; 614 char *p;
615 int i; 615 int i;
618 for (i = 0, p = kbuf; i < len; i++, p++) 618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p); 619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n"); 620 fprintf(stderr, "'\n");
621 } 621 }
622#endif /* DEBUG_CMD */ 622#endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len); 623 R->tt_write(kbuf, (unsigned int)len);
624} 624}
625/*}}} */ 625/*}}} */
626 626
627#if (MENUBAR_MAX) 627#if (MENUBAR_MAX)
628/*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */ 628/*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
632rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count) 632rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633{ 633{
634 unsigned int n, s; 634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base, 635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp, 636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr; 637 *cmdbuf_ptr = R->cmdbuf_ptr;
638 638
639 n = cmdbuf_ptr - cmdbuf_base; 639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp; 640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) { 641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr, 642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
663 do 663 do
664 { 664 {
665 XEvent xev; 665 XEvent xev;
666 666
667 XNextEvent (Xdisplay, &xev); 667 XNextEvent (Xdisplay, &xev);
668
668#if defined(CURSOR_BLINK) 669#if defined(CURSOR_BLINK)
669 if ((Options & Opt_cursorBlink) 670 if ((Options & Opt_cursorBlink)
670 && xev.type == KeyPress) { 671 && xev.type == KeyPress)
672 {
671 if (hidden_cursor) { 673 if (hidden_cursor)
674 {
672 hidden_cursor = 0; 675 hidden_cursor = 0;
673 want_refresh = 1; 676 want_refresh = 1;
674 } 677 }
675 want_keypress_time = 1; 678
679 blink_ev.start (NOW + BLINK_INTERVAL);
676 } 680 }
677#endif 681#endif
678 682
679#if defined(POINTER_BLANK) 683#if defined(POINTER_BLANK)
680 if ((Options & Opt_pointerBlank) 684 if ((Options & Opt_pointerBlank)
681 && (pointerBlankDelay > 0)) { 685 && (pointerBlankDelay > 0))
686 {
682 if (xev.type == MotionNotify 687 if (xev.type == MotionNotify
683 || xev.type == ButtonPress 688 || xev.type == ButtonPress
684 || xev.type == ButtonRelease) { 689 || xev.type == ButtonRelease)
685 if (hidden_pointer) 690 if (hidden_pointer)
686 rxvt_pointer_unblank(aR); 691 pointer_unblank ();
687 want_motion_time = 1; 692
688 }
689 if (xev.type == KeyPress && hidden_pointer == 0) 693 if (xev.type == KeyPress && hidden_pointer == 0)
690 rxvt_pointer_blank (this); 694 pointer_blank ();
691 } 695 }
692#endif 696#endif
693 697
694#ifdef USE_XIM 698#ifdef USE_XIM
695 if (!XFilterEvent (&xev, xev.xany.window)) 699 if (!XFilterEvent (&xev, xev.xany.window))
696#endif 700#endif
698 } 702 }
699 while (XPending (Xdisplay)); 703 while (XPending (Xdisplay));
700} 704}
701 705
702void 706void
707rxvt_term::blink_cb (time_watcher &w)
708{
709 SET_R (this);
710
711 w.at += BLINK_INTERVAL;
712 hidden_cursor = !hidden_cursor;
713 want_refresh = 1;
714 flush ();
715}
716
717void
703rxvt_term::x_cb (io_watcher &w, short revents) 718rxvt_term::x_cb (io_watcher &w, short revents)
704{ 719{
720 SET_R (this);
721
705 process_x_events (); 722 process_x_events ();
723
724 flush ();
706} 725}
707 726
708// read the next character, currently handles UTF-8 727// read the next character, currently handles UTF-8
709// will probably handle all sorts of other stuff in the future 728// will probably handle all sorts of other stuff in the future
710static uint32_t 729uint32_t
711next_char (pR) 730rxvt_term::next_char ()
712{ 731{
713 mbstate &s = R->mbstate; 732 struct mbstate &s = mbstate;
714 733
715 while (R->cmdbuf_ptr < R->cmdbuf_endp) 734 while (cmdbuf_ptr < cmdbuf_endp)
716 { 735 {
717 uint8_t ch = *R->cmdbuf_ptr; 736 uint8_t ch = *cmdbuf_ptr;
718 737
719 if (s.cnt) 738 if (s.cnt)
720 { 739 {
721 if ((ch & 0xc0) == 0x80) 740 if ((ch & 0xc0) == 0x80)
722 { 741 {
723 R->cmdbuf_ptr++; 742 cmdbuf_ptr++;
724 743
725 /* continuation */ 744 /* continuation */
726 s.reg = (s.reg << 6) | (ch & 0x7f); 745 s.reg = (s.reg << 6) | (ch & 0x7f);
727 746
728 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */ 747 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
737 } 756 }
738 } 757 }
739 758
740 if ((ch & 0xc0) == 0xc0) 759 if ((ch & 0xc0) == 0xc0)
741 { 760 {
742 R->cmdbuf_ptr++; 761 cmdbuf_ptr++;
743 762
744 /* first byte */ 763 /* first byte */
745 s.orig = ch; /* for broken encodings */ 764 s.orig = ch; /* for broken encodings */
746 s.reg = ch; 765 s.reg = ch;
747 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; } 766 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
750 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; } 769 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
751 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; } 770 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
752 } 771 }
753 else 772 else
754 { 773 {
755 R->cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */ 774 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
756 return ch; 775 return ch;
757 } 776 }
758 } 777 }
759 778
760 return NOCHAR; 779 return NOCHAR;
761} 780}
762 781
782bool
783rxvt_term::pty_fill ()
784{
785 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
786
787 memmove (cmdbuf_base, cmdbuf_ptr, n);
788 cmdbuf_ptr = cmdbuf_base;
789 cmdbuf_endp = cmdbuf_ptr + n;
790
791 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
792
793 if (n > 0)
794 {
795 cmdbuf_endp += n;
796 return true;
797 }
798 else if (n < 0 && errno == EAGAIN)
799 return false;
800
801 destroy ();
802}
803
763void 804void
764rxvt_term::pty_cb (io_watcher &w, short revents) 805rxvt_term::pty_cb (io_watcher &w, short revents)
765{ 806{
766 int n; 807 SET_R (this);
767 unsigned int count;
768 808
769 if (count = (cmdbuf_endp - cmdbuf_ptr)) 809 if (revents & EVENT_WRITE)
810 tt_write (0, 0);
811 else if (revents & EVENT_READ)
812 // loop, but don't allow a single term to monopolize us
813 // the number of loops is fully arbitrary, and thus wrong
814 for (int i = 7; i-- && pty_fill (); )
815 {
816 //TODO:
817 /* once we know the shell is running, send the screen size. Again! */
818 //ch = rxvt_cmd_getc(aR); /* wait for something */
819 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
820
821 uint32_t ch = NOCHAR;
822
823 for (;;)
824 {
825 if (ch == NOCHAR)
826 ch = next_char ();
827
828 if (ch == NOCHAR) // TODO: improve
829 break;
830
831 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
832 {
833 /* Read a text string from the input buffer */
834 uint32_t buf[BUFSIZ];
835 bool refreshnow = false;
836 int nlines = 0;
837 uint32_t *str = buf;
838
839 *str++ = ch;
840
841 for (;;)
842 {
843 ch = next_char ();
844
845 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
846 break;
847 else
848 {
849 *str++ = ch;
850
851 if (ch == '\n')
852 {
853 nlines++;
854 refresh_count++;
855
856 if (!(Options & Opt_jumpScroll)
857 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
858 {
859 refreshnow = true;
860 ch = NOCHAR;
861 break;
862 }
863 }
864
865 if (str >= buf + BUFSIZ)
866 {
867 ch = NOCHAR;
868 break;
869 }
870 }
871 }
872
873 rxvt_scr_add_lines (this, buf, nlines, str - buf);
874
875 /*
876 * If there have been a lot of new lines, then update the screen
877 * What the heck I'll cheat and only refresh less than every page-full.
878 * the number of pages between refreshes is refresh_limit, which
879 * is incremented here because we must be doing flat-out scrolling.
880 *
881 * refreshing should be correct for small scrolls, because of the
882 * time-out
883 */
884 if (refreshnow)
885 {
886 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
887 refresh_limit++;
888
889 rxvt_scr_refresh (this, refresh_type);
890 }
891
892 }
893 else
894 {
895 switch (ch)
896 {
897 default:
898 rxvt_process_nonprinting (this, ch);
899 break;
900 case C0_ESC: /* escape char */
901 rxvt_process_escape_seq (this);
902 break;
903 /*case 0x9b: */ /* CSI */
904 /* rxvt_process_csi_seq (this); */
905 }
906
907 ch = NOCHAR;
908 }
909 }
910 }
911
912 flush ();
913}
914
915void
916rxvt_term::flush ()
917{
918#ifdef TRANSPARENT
919 if (want_full_refresh)
770 { 920 {
771 memmove (cmdbuf_base, cmdbuf_ptr, count); 921 want_full_refresh = 0;
772 cmdbuf_ptr = cmdbuf_base; 922 rxvt_scr_clear (this);
773 cmdbuf_endp = cmdbuf_ptr + count; 923 rxvt_scr_touch (this, False);
924 want_refresh = 1;
774 } 925 }
775 926#endif
776 927
777 for (count = BUFSIZ - count; count; count -= n, cmdbuf_endp += n) 928 if (want_refresh)
778 if ((n = read(cmd_fd, cmdbuf_endp, count)) > 0)
779 continue;
780 else if (n == 0 || (n < 0 && errno == EAGAIN))
781 break;
782 else
783 {
784 rxvt_clean_exit();
785 exit(EXIT_FAILURE); /* bad order of events? */
786 }
787
788 if (count != BUFSIZ) /* some characters read in */
789 { 929 {
790 uint32_t c = next_char (this); 930 rxvt_scr_refresh (this, refresh_type);
791 931 rxvt_scrollbar_show (this, 1);
792#if 0 932#ifdef USE_XIM
793 if (c != NOCHAR) 933 rxvt_IMSendSpot (this);
794 return c;
795#endif 934#endif
796 } 935 }
936
937 if (XPending (Xdisplay)) process_x_events ();
938 XFlush (Xdisplay);
939 if (XPending (Xdisplay)) process_x_events ();
797} 940}
798 941
799/* rxvt_cmd_getc() - Return next input character */ 942/* rxvt_cmd_getc() - Return next input character */
800/* 943/*
801 * Return the next input character after first passing any keyboard input 944 * Return the next input character after first passing any keyboard input
803 */ 946 */
804/* INTPROTO */ 947/* INTPROTO */
805uint32_t 948uint32_t
806rxvt_cmd_getc(pR) 949rxvt_cmd_getc(pR)
807{ 950{
951 for (;;)
952 {
953 uint32_t c = R->next_char ();
954 if (c != NOCHAR)
955 return c;
956
957 // incomplete sequences should occur rarely, still, a better solution
958 // would be preferred. either setjmp/longjmp or better design.
959 fcntl (R->cmd_fd, F_SETFL, 0);
960 R->pty_fill ();
961 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
962 }
963
964#if 0
808#define TIMEOUT_USEC 5000 965#define TIMEOUT_USEC 5000
809 fd_set readfds; 966 fd_set readfds;
810 int quick_timeout, select_res; 967 int quick_timeout, select_res;
811 int want_motion_time, want_keypress_time; 968 int want_motion_time, want_keypress_time;
812 struct timeval value; 969 struct timeval value;
813#if defined(POINTER_BLANK) || defined(CURSOR_BLINK) 970#if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
814 struct timeval tp; 971 struct timeval tp;
815#endif 972#endif
816 973
817 uint32_t c = next_char (aR);
818 if (c != NOCHAR)
819 return c;
820
821 for (;;) { 974 for (;;) {
822 /* loop until we can return something */ 975 /* loop until we can return something */
823 976
824 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */ 977 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
825 rxvt_tt_write(aR_ NULL, 0); 978 R->tt_write(NULL, 0);
826
827#if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
828 tp.tv_sec = 0; /* presume == 0 implies time not yet retrieved */
829#endif
830#if defined(CURSOR_BLINK)
831 want_keypress_time = 0;
832#endif
833#if defined(POINTER_BLANK)
834 want_motion_time = 0;
835#endif
836
837 if (XPending (R->Xdisplay))
838 {
839 R->process_x_events ();
840
841 /* in case button actions pushed chars to cmdbuf */
842 if (R->cmdbuf_ptr < R->cmdbuf_endp)
843 return *R->cmdbuf_ptr++;
844 }
845
846#if defined(CURSOR_BLINK)
847 if (want_keypress_time) {
848 (void)gettimeofday(&tp, NULL);
849 R->lastcursorchange.tv_sec = tp.tv_sec;
850 R->lastcursorchange.tv_usec = tp.tv_usec;
851 }
852#endif
853#if defined(POINTER_BLANK)
854 if (want_motion_time) {
855 if (!tp.tv_sec)
856 (void)gettimeofday(&tp, NULL);
857 R->lastmotion.tv_sec = tp.tv_sec;
858 R->lastmotion.tv_usec = tp.tv_usec;
859 }
860#endif
861
862/*
863 * the command input buffer is empty and we have no pending X events
864 */
865 quick_timeout = 0;
866 979
867#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING) 980#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
868 if (R->mouse_slip_wheel_speed) { 981 if (R->mouse_slip_wheel_speed) {
869 quick_timeout = 1; 982 quick_timeout = 1;
870 if (!R->mouse_slip_wheel_delay-- 983 if (!R->mouse_slip_wheel_delay--
900 R->want_refresh = 1; 1013 R->want_refresh = 1;
901 } 1014 }
902 } 1015 }
903#endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */ 1016#endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
904 1017
905 FD_ZERO(&readfds);
906 FD_SET(R->cmd_fd, &readfds);
907 FD_SET(R->Xfd, &readfds);
908 value.tv_usec = TIMEOUT_USEC;
909 value.tv_sec = 0;
910
911 if (!R->TermWin.mapped)
912 quick_timeout = 0;
913 else {
914 quick_timeout |= R->want_refresh;
915#ifdef TRANSPARENT 1018#ifdef TRANSPARENT
916 quick_timeout |= R->want_full_refresh; 1019 quick_timeout |= R->want_full_refresh;
917#endif 1020#endif
918 }
919
920#if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
921 {
922 int set_quick_timeout = 0;
923 long csdiff, psdiff;
924
925#define BLINK_TIME 500000L
926 csdiff = psdiff = 60000000L; /* or, say, LONG_MAX */
927# if defined(CURSOR_BLINK)
928 if (R->Options & Opt_cursorBlink) {
929 if (!tp.tv_sec) /* didn't get it before so get it now */
930 (void)gettimeofday(&tp, NULL);
931
932 csdiff = (tp.tv_sec - R->lastcursorchange.tv_sec) * 1000000L
933 + tp.tv_usec - R->lastcursorchange.tv_usec;
934 if (csdiff > BLINK_TIME) { /* XXX: settable blink times */
935 R->lastcursorchange.tv_sec = tp.tv_sec;
936 R->lastcursorchange.tv_usec = tp.tv_usec;
937 R->hidden_cursor = !R->hidden_cursor;
938 csdiff = 0;
939 } else
940 csdiff = BLINK_TIME - csdiff;
941 set_quick_timeout = 1;
942 }
943# endif 1021#endif
944# if defined(POINTER_BLANK)
945 /*
946 * If we haven't moved the pointer for a while
947 */
948 if ((R->Options & Opt_pointerBlank)
949 && (R->pointerBlankDelay > 0)
950 && (R->hidden_pointer == 0)) {
951 long pdelay;
952
953 if (!tp.tv_sec) /* didn't get it before so get it now */
954 (void)gettimeofday(&tp, NULL);
955 psdiff = (tp.tv_sec - R->lastmotion.tv_sec) * 1000000L
956 + tp.tv_usec - R->lastmotion.tv_usec;
957 pdelay = R->pointerBlankDelay * 1000000L;
958 if (psdiff >= pdelay)
959 rxvt_pointer_blank(aR);
960 else {
961 set_quick_timeout = 1;
962 psdiff = pdelay - psdiff;
963 }
964 }
965# endif
966 if (!quick_timeout && set_quick_timeout) {
967 MIN_IT(csdiff, psdiff);
968 value.tv_sec = csdiff / 1000000L;
969 value.tv_usec = csdiff % 1000000L;
970 quick_timeout = 1;
971 }
972 }
973#endif
974
975 if ((select_res = select(R->num_fds, &readfds, NULL, NULL,
976 (quick_timeout ? &value : NULL))) == 0) {
977 /* select statement timed out - we're not hard and fast scrolling */
978 R->refresh_limit = 1;
979 }
980#if defined(CURSOR_BLINK)
981 if (R->Options & Opt_cursorBlink)
982 R->want_refresh = 1;
983#endif
984
985 /* See if we can read new data from the application */
986 if (select_res > 0 && FD_ISSET(R->cmd_fd, &readfds)) {
987 int n;
988 unsigned int count;
989
990 R->cmdbuf_ptr = R->cmdbuf_endp = R->cmdbuf_base;
991 for (count = BUFSIZ; count; count -= n, R->cmdbuf_endp += n)
992 if ((n = read(R->cmd_fd, R->cmdbuf_endp, count)) > 0)
993 continue;
994 else if (n == 0 || (n < 0 && errno == EAGAIN))
995 break;
996 else {
997 rxvt_clean_exit();
998 exit(EXIT_FAILURE); /* bad order of events? */
999 }
1000
1001 if (count != BUFSIZ) /* some characters read in */
1002 {
1003 uint32_t c = next_char (aR);
1004 if (c != NOCHAR)
1005 return c;
1006 }
1007 }
1008#ifdef TRANSPARENT
1009 if (R->want_full_refresh) {
1010 R->want_full_refresh = 0;
1011 rxvt_scr_clear(aR);
1012 rxvt_scr_touch(aR_ False);
1013 R->want_refresh = 1;
1014 }
1015#endif
1016 if (R->want_refresh) {
1017 rxvt_scr_refresh(aR_ R->refresh_type);
1018 rxvt_scrollbar_show(aR_ 1);
1019#ifdef USE_XIM
1020 rxvt_IMSendSpot(aR);
1021#endif
1022 }
1023 }
1024/* NOTREACHED */
1025} 1022}
1026/*}}} */
1027 1023
1028/* EXTPROTO */
1029void 1024void
1030rxvt_pointer_unblank(pR) 1025rxvt_term::pointer_unblank ()
1031{ 1026{
1032 XDefineCursor(R->Xdisplay, R->TermWin.vt, R->TermWin_cursor); 1027 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1033 rxvt_recolour_cursor(aR); 1028 rxvt_recolour_cursor (this);
1029
1034#ifdef POINTER_BLANK 1030#ifdef POINTER_BLANK
1035 R->hidden_pointer = 0; 1031 hidden_pointer = 0;
1036 if (R->pointerBlankDelay > 0) {
1037 struct timeval tp;
1038 1032
1039 (void)gettimeofday(&tp, NULL); 1033 if (Options & Opt_pointerBlank)
1040 R->lastmotion.tv_sec = tp.tv_sec; 1034 pointer_ev.start (NOW + pointerBlankDelay);
1041 R->lastmotion.tv_usec = tp.tv_usec;
1042 }
1043#endif 1035#endif
1044} 1036}
1045 1037
1046#ifdef POINTER_BLANK 1038#ifdef POINTER_BLANK
1047/* INTPROTO */
1048void 1039void
1049rxvt_pointer_blank(pR) 1040rxvt_term::pointer_blank ()
1050{ 1041{
1042 pointer_ev.stop ();
1043
1044 if (!(Options & Opt_pointerBlank))
1045 return;
1046
1051 XDefineCursor(R->Xdisplay, R->TermWin.vt, R->pointer_blank); 1047 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1052 XFlush(R->Xdisplay); 1048 XFlush (Xdisplay);
1049
1053 R->hidden_pointer = 1; 1050 hidden_pointer = 1;
1051}
1052
1053void
1054rxvt_term::pointer_cb (time_watcher &w)
1055{
1056 SET_R (this);
1057
1058 pointer_blank ();
1054} 1059}
1055#endif 1060#endif
1056 1061
1057/* INTPROTO */ 1062/* INTPROTO */
1058void 1063void
1111 fprintf(stderr, "]: <%d>, %d/%d\n", 1116 fprintf(stderr, "]: <%d>, %d/%d\n",
1112 button_number, 1117 button_number,
1113 x + 1, 1118 x + 1,
1114 y + 1); 1119 y + 1);
1115#else 1120#else
1116 rxvt_tt_printf(aR_ "\033[M%c%c%c", 1121 R->tt_printf("\033[M%c%c%c",
1117 (32 + button_number + key_state), 1122 (32 + button_number + key_state),
1118 (32 + x + 1), 1123 (32 + x + 1),
1119 (32 + y + 1)); 1124 (32 + y + 1));
1120#endif 1125#endif
1121} 1126}
1254 break; 1259 break;
1255 1260
1256 case ClientMessage: 1261 case ClientMessage:
1257 if (ev->xclient.format == 32 1262 if (ev->xclient.format == 32
1258 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW]) 1263 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1259 exit(EXIT_SUCCESS); 1264 R->destroy ();
1260#ifdef OFFIX_DND 1265#ifdef OFFIX_DND
1261 /* OffiX Dnd (drag 'n' drop) protocol */ 1266 /* OffiX Dnd (drag 'n' drop) protocol */
1262 if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL] 1267 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1263 && (ev->xclient.data.l[0] == DndFile 1268 && (ev->xclient.data.l[0] == DndFile
1264 || ev->xclient.data.l[0] == DndDir 1269 || ev->xclient.data.l[0] == DndDir
1265 || ev->xclient.data.l[0] == DndLink)) { 1270 || ev->xclient.data.l[0] == DndLink)) {
1266 /* Get Dnd data */ 1271 /* Get Dnd data */
1267 Atom ActualType; 1272 Atom ActualType;
1299 * in the GraphicsExpose parts, which means that after each refresh, 1304 * in the GraphicsExpose parts, which means that after each refresh,
1300 * we need to wait for the graphics expose or Noexpose events, 1305 * we need to wait for the graphics expose or Noexpose events,
1301 * which ought to make things real slow! 1306 * which ought to make things real slow!
1302 */ 1307 */
1303 case VisibilityNotify: 1308 case VisibilityNotify:
1304 switch (ev->xvisibility.state) { 1309 switch (ev->xvisibility.state)
1310 {
1305 case VisibilityUnobscured: 1311 case VisibilityUnobscured:
1306 R->refresh_type = FAST_REFRESH; 1312 R->refresh_type = FAST_REFRESH;
1307 break; 1313 break;
1308 case VisibilityPartiallyObscured: 1314 case VisibilityPartiallyObscured:
1309 R->refresh_type = SLOW_REFRESH; 1315 R->refresh_type = SLOW_REFRESH;
1310 break; 1316 break;
1311 default: 1317 default:
1312 R->refresh_type = NO_REFRESH; 1318 R->refresh_type = NO_REFRESH;
1313 break; 1319 break;
1314 } 1320 }
1315 break; 1321 break;
1316 1322
1317 case FocusIn: 1323 case FocusIn:
1318 if (!R->TermWin.focus) { 1324 if (!R->TermWin.focus) {
1319 R->TermWin.focus = 1; 1325 R->TermWin.focus = 1;
1320 R->want_refresh = 1; 1326 R->want_refresh = 1;
1321#ifdef USE_XIM 1327#ifdef USE_XIM
1322 if (R->Input_Context != NULL) 1328 if (R->Input_Context != NULL)
1323 XSetICFocus(R->Input_Context); 1329 XSetICFocus(R->Input_Context);
1324#endif 1330#endif
1331#ifdef CURSOR_BLINK
1332 if (R->Options & Opt_cursorBlink)
1333 R->blink_ev.start (NOW + BLINK_INTERVAL);
1334#endif
1325 } 1335 }
1326 break; 1336 break;
1327 1337
1328 case FocusOut: 1338 case FocusOut:
1329 if (R->TermWin.focus) { 1339 if (R->TermWin.focus) {
1330 R->TermWin.focus = 0; 1340 R->TermWin.focus = 0;
1331 R->want_refresh = 1; 1341 R->want_refresh = 1;
1332#ifdef USE_XIM 1342#ifdef USE_XIM
1333 if (R->Input_Context != NULL) 1343 if (R->Input_Context != NULL)
1334 XUnsetICFocus(R->Input_Context); 1344 XUnsetICFocus(R->Input_Context);
1345#endif
1346#ifdef CURSOR_BLINK
1347 if (R->Options & Opt_cursorBlink)
1348 R->blink_ev.stop ();
1349 R->hidden_cursor = 0;
1335#endif 1350#endif
1336 } 1351 }
1337 break; 1352 break;
1338 1353
1339 case ConfigureNotify: 1354 case ConfigureNotify:
1452 break; 1467 break;
1453 1468
1454 case MotionNotify: 1469 case MotionNotify:
1455#ifdef POINTER_BLANK 1470#ifdef POINTER_BLANK
1456 if (R->hidden_pointer) 1471 if (R->hidden_pointer)
1457 rxvt_pointer_unblank(aR); 1472 R->pointer_unblank ();
1458#endif 1473#endif
1459#if MENUBAR 1474#if MENUBAR
1460 if (isMenuBarWindow(ev->xany.window)) { 1475 if (isMenuBarWindow(ev->xany.window)) {
1461 rxvt_menubar_control(aR_ &(ev->xbutton)); 1476 rxvt_menubar_control(aR_ &(ev->xbutton));
1462 break; 1477 break;
1653 */ 1668 */
1654 if ((R->scrollBar.style == R_SB_NEXT 1669 if ((R->scrollBar.style == R_SB_NEXT
1655 && scrollbarnext_upButton(ev->y)) 1670 && scrollbarnext_upButton(ev->y))
1656 || (R->scrollBar.style == R_SB_RXVT 1671 || (R->scrollBar.style == R_SB_RXVT
1657 && scrollbarrxvt_upButton(ev->y))) 1672 && scrollbarrxvt_upButton(ev->y)))
1658 rxvt_tt_printf(aR_ "\033[A"); 1673 R->tt_printf("\033[A");
1659 else if ((R->scrollBar.style == R_SB_NEXT 1674 else if ((R->scrollBar.style == R_SB_NEXT
1660 && scrollbarnext_dnButton(ev->y)) 1675 && scrollbarnext_dnButton(ev->y))
1661 || (R->scrollBar.style == R_SB_RXVT 1676 || (R->scrollBar.style == R_SB_RXVT
1662 && scrollbarrxvt_dnButton(ev->y))) 1677 && scrollbarrxvt_dnButton(ev->y)))
1663 rxvt_tt_printf(aR_ "\033[B"); 1678 R->tt_printf("\033[B");
1664 else 1679 else
1665 switch (ev->button) { 1680 switch (ev->button) {
1666 case Button2: 1681 case Button2:
1667 rxvt_tt_printf(aR_ "\014"); 1682 R->tt_printf("\014");
1668 break; 1683 break;
1669 case Button1: 1684 case Button1:
1670 rxvt_tt_printf(aR_ "\033[6~"); 1685 R->tt_printf("\033[6~");
1671 break; 1686 break;
1672 case Button3: 1687 case Button3:
1673 rxvt_tt_printf(aR_ "\033[5~"); 1688 R->tt_printf("\033[5~");
1674 break; 1689 break;
1675 } 1690 }
1676 } 1691 }
1677 else 1692 else
1678#endif /* NO_SCROLLBAR_REPORT */ 1693#endif /* NO_SCROLLBAR_REPORT */
2160rxvt_process_nonprinting(pR_ unsigned char ch) 2175rxvt_process_nonprinting(pR_ unsigned char ch)
2161{ 2176{
2162 switch (ch) { 2177 switch (ch) {
2163 case C0_ENQ: /* terminal Status */ 2178 case C0_ENQ: /* terminal Status */
2164 if (R->rs[Rs_answerbackstring]) 2179 if (R->rs[Rs_answerbackstring])
2165 rxvt_tt_write(aR_ 2180 R->tt_write(
2166 (const unsigned char *)R->rs[Rs_answerbackstring], 2181 (const unsigned char *)R->rs[Rs_answerbackstring],
2167 (unsigned int)STRLEN(R->rs[Rs_answerbackstring])); 2182 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2168 else 2183 else
2169 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS, 2184 R->tt_write((unsigned char *)VT100_ANS,
2170 (unsigned int)STRLEN(VT100_ANS)); 2185 (unsigned int)STRLEN(VT100_ANS));
2171 break; 2186 break;
2172 case C0_BEL: /* bell */ 2187 case C0_BEL: /* bell */
2173 rxvt_scr_bell(aR); 2188 rxvt_scr_bell(aR);
2174 break; 2189 break;
2237 row = rxvt_cmd_getc(aR) - ' '; 2252 row = rxvt_cmd_getc(aR) - ' ';
2238 col = rxvt_cmd_getc(aR) - ' '; 2253 col = rxvt_cmd_getc(aR) - ' ';
2239 rxvt_scr_gotorc(aR_ row, col, 0); 2254 rxvt_scr_gotorc(aR_ row, col, 0);
2240 break; 2255 break;
2241 case 'Z': /* identify the terminal type */ 2256 case 'Z': /* identify the terminal type */
2242 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */ 2257 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2243 break; 2258 break;
2244 case '<': /* turn off VT52 mode */ 2259 case '<': /* turn off VT52 mode */
2245 PrivMode(0, PrivMode_vt52); 2260 PrivMode(0, PrivMode_vt52);
2246 break; 2261 break;
2247 case 'F': /* use special graphics character set */ 2262 case 'F': /* use special graphics character set */
2354 rxvt_process_dcs_seq(aR); 2369 rxvt_process_dcs_seq(aR);
2355 break; 2370 break;
2356 2371
2357 /* 8.3.110: SINGLE CHARACTER INTRODUCER */ 2372 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2358 case C1_SCI: /* ESC Z */ 2373 case C1_SCI: /* ESC Z */
2359 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER, 2374 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2360 (unsigned int)(sizeof(ESCZ_ANSWER) - 1)); 2375 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2361 break; /* steal obsolete ESC [ c */ 2376 break; /* steal obsolete ESC [ c */
2362 2377
2363 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */ 2378 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2364 case C1_CSI: /* ESC [ */ 2379 case C1_CSI: /* ESC [ */
2485 */ 2500 */
2486 if (priv) { 2501 if (priv) {
2487 switch (priv) { 2502 switch (priv) {
2488 case '>': 2503 case '>':
2489 if (ch == CSI_DA) /* secondary device attributes */ 2504 if (ch == CSI_DA) /* secondary device attributes */
2490 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING); 2505 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2491 break; 2506 break;
2492 case '?': 2507 case '?':
2493 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't') 2508 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2494 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg); 2509 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2495 break; 2510 break;
2602 case CSI_SU: /* 8.3.148: (1) SCROLL UP */ 2617 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2603 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0); 2618 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2604 break; 2619 break;
2605 2620
2606 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */ 2621 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2607 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS, 2622 R->tt_write((const unsigned char *)VT100_ANS,
2608 (unsigned int)(sizeof(VT100_ANS) - 1)); 2623 (unsigned int)(sizeof(VT100_ANS) - 1));
2609 break; 2624 break;
2610 2625
2611 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */ 2626 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2612 rxvt_process_sgr_mode(aR_ nargs, arg); 2627 rxvt_process_sgr_mode(aR_ nargs, arg);
2613 break; 2628 break;
2614 2629
2615 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */ 2630 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2616 switch (arg[0]) { 2631 switch (arg[0]) {
2617 case 5: /* DSR requested */ 2632 case 5: /* DSR requested */
2618 rxvt_tt_printf(aR_ "\033[0n"); 2633 R->tt_printf("\033[0n");
2619 break; 2634 break;
2620 case 6: /* CPR requested */ 2635 case 6: /* CPR requested */
2621 rxvt_scr_report_position(aR); 2636 rxvt_scr_report_position(aR);
2622 break; 2637 break;
2623#if defined (ENABLE_DISPLAY_ANSWER) 2638#if defined (ENABLE_DISPLAY_ANSWER)
2624 case 7: /* unofficial extension */ 2639 case 7: /* unofficial extension */
2625 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]); 2640 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2626 break; 2641 break;
2627#endif 2642#endif
2628 case 8: /* unofficial extension */ 2643 case 8: /* unofficial extension */
2629 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST); 2644 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2630 break; 2645 break;
2699 break; 2714 break;
2700#endif 2715#endif
2701 2716
2702 case CSI_78: /* DECREQTPARM */ 2717 case CSI_78: /* DECREQTPARM */
2703 if (arg[0] == 0 || arg[0] == 1) 2718 if (arg[0] == 0 || arg[0] == 1)
2704 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2); 2719 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2705 /* FALLTHROUGH */ 2720 /* FALLTHROUGH */
2706 2721
2707 default: 2722 default:
2708 break; 2723 break;
2709 } 2724 }
2763 /* 2778 /*
2764 * reports - some output format copied from XTerm 2779 * reports - some output format copied from XTerm
2765 */ 2780 */
2766 case 11: /* report window state */ 2781 case 11: /* report window state */
2767 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 2782 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2768 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2); 2783 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2769 break; 2784 break;
2770 case 13: /* report window position */ 2785 case 13: /* report window position */
2771 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 2786 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2772 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root, 2787 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2773 -wattr.border_width, -wattr.border_width, 2788 -wattr.border_width, -wattr.border_width,
2774 &x, &y, &wdummy); 2789 &x, &y, &wdummy);
2775 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y); 2790 R->tt_printf("\033[3;%d;%dt", x, y);
2776 break; 2791 break;
2777 case 14: /* report window size (pixels) */ 2792 case 14: /* report window size (pixels) */
2778 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); 2793 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2779 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width); 2794 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2780 break; 2795 break;
2781 case 18: /* report window size (chars) */ 2796 case 18: /* report window size (chars) */
2782 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol); 2797 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2783 break; 2798 break;
2784#if 0 /* XXX: currently disabled due to security concerns */ 2799#if 0 /* XXX: currently disabled due to security concerns */
2785 case 20: /* report icon label */ 2800 case 20: /* report icon label */
2786 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s); 2801 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2787 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */ 2802 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2788 break; 2803 break;
2789 case 21: /* report window title */ 2804 case 21: /* report window title */
2790 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s); 2805 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2791 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */ 2806 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2792 break; 2807 break;
2793#endif 2808#endif
2794 } 2809 }
2795} 2810}
2796#endif 2811#endif
3339{ 3354{
3340 unsigned char ch, cmd = rxvt_cmd_getc(aR); 3355 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3341 3356
3342#ifndef RXVT_GRAPHICS 3357#ifndef RXVT_GRAPHICS
3343 if (cmd == 'Q') { /* query graphics */ 3358 if (cmd == 'Q') { /* query graphics */
3344 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */ 3359 R->tt_printf("\033G0\n"); /* no graphics */
3345 return; 3360 return;
3346 } 3361 }
3347/* swallow other graphics sequences until terminating ':' */ 3362/* swallow other graphics sequences until terminating ':' */
3348 do 3363 do
3349 ch = rxvt_cmd_getc(aR); 3364 ch = rxvt_cmd_getc(aR);
3352 unsigned int nargs; 3367 unsigned int nargs;
3353 int args[NGRX_PTS]; 3368 int args[NGRX_PTS];
3354 unsigned char *text = NULL; 3369 unsigned char *text = NULL;
3355 3370
3356 if (cmd == 'Q') { /* query graphics */ 3371 if (cmd == 'Q') { /* query graphics */
3357 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */ 3372 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3358 return; 3373 return;
3359 } 3374 }
3360 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) { 3375 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3361 int neg; 3376 int neg;
3362 3377
3392} 3407}
3393/*}}} */ 3408/*}}} */
3394 3409
3395/* ------------------------------------------------------------------------- */ 3410/* ------------------------------------------------------------------------- */
3396 3411
3397/*{{{ Read and process output from the application */
3398/* LIBPROTO */
3399void
3400rxvt_main_loop(pR)
3401{
3402 uint32_t ch, *str, buf[BUFSIZ];
3403 int nlines, refreshnow;
3404
3405 R->cmdbuf_ptr = R->cmdbuf_endp = R->cmdbuf_base;
3406
3407 /* once we know the shell is running, send the screen size. Again! */
3408 ch = rxvt_cmd_getc(aR); /* wait for something */
3409 rxvt_tt_winsize(R->cmd_fd, R->TermWin.ncol, R->TermWin.nrow, R->cmd_pid);
3410
3411 refreshnow = 0;
3412 for (;;) {
3413 if (ch == NOCHAR)
3414 ch = rxvt_cmd_getc(aR);
3415
3416 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
3417 {
3418 /* Read a text string from the input buffer */
3419 nlines = 0;
3420 str = buf;
3421 *str++ = ch;
3422 for (;;)
3423 {
3424 ch = next_char (aR);
3425
3426 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
3427 break;
3428 else
3429 {
3430 *str++ = ch;
3431
3432 if (ch == '\n')
3433 {
3434 nlines++;
3435 R->refresh_count++;
3436 if (!(R->Options & Opt_jumpScroll)
3437 || (R->refresh_count >= (R->refresh_limit
3438 * (R->TermWin.nrow - 1))))
3439 {
3440 refreshnow = 1;
3441 ch = NOCHAR;
3442 break;
3443 }
3444 }
3445
3446 if (str >= buf + BUFSIZ)
3447 {
3448 ch = NOCHAR;
3449 break;
3450 }
3451 }
3452 }
3453
3454 rxvt_scr_add_lines(aR_ buf, nlines, str - buf);
3455
3456 /*
3457 * If there have been a lot of new lines, then update the screen
3458 * What the heck I'll cheat and only refresh less than every page-full.
3459 * the number of pages between refreshes is R->refresh_limit, which
3460 * is incremented here because we must be doing flat-out scrolling.
3461 *
3462 * refreshing should be correct for small scrolls, because of the
3463 * time-out
3464 */
3465
3466 //TODO: REFRESH_PERIOD is one, fix it
3467 if (refreshnow)
3468 {
3469 refreshnow = 0;
3470
3471 if ((R->Options & Opt_jumpScroll) && R->refresh_limit < REFRESH_PERIOD)
3472 R->refresh_limit++;
3473
3474 rxvt_scr_refresh(aR_ R->refresh_type);
3475 }
3476
3477 }
3478 else
3479 {
3480 switch (ch)
3481 {
3482 default:
3483 rxvt_process_nonprinting(aR_ ch);
3484 break;
3485 case C0_ESC: /* escape char */
3486 rxvt_process_escape_seq(aR);
3487 break;
3488 /* case 0x9b: */ /* CSI */
3489 /* rxvt_process_csi_seq(aR); */
3490 }
3491
3492 ch = NOCHAR;
3493 }
3494 }
3495/* NOTREACHED */
3496}
3497
3498/* 3412/*
3499 * Send printf() formatted output to the command. 3413 * Send printf() formatted output to the command.
3500 * Only use for small amounts of data. 3414 * Only use for small amounts of data.
3501 */ 3415 */
3502/* EXTPROTO */
3503void 3416void
3504rxvt_tt_printf(pR_ const char *fmt,...) 3417rxvt_term::tt_printf (const char *fmt,...)
3505{ 3418{
3506 va_list arg_ptr; 3419 va_list arg_ptr;
3507 unsigned char buf[256]; 3420 unsigned char buf[256];
3508 3421
3509 va_start(arg_ptr, fmt); 3422 va_start (arg_ptr, fmt);
3510 vsprintf((char *)buf, fmt, arg_ptr); 3423 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3511 va_end(arg_ptr); 3424 va_end (arg_ptr);
3512 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf)); 3425 tt_write (buf, STRLEN (buf));
3513} 3426}
3514 3427
3515/* ---------------------------------------------------------------------- */ 3428/* ---------------------------------------------------------------------- */
3516/* Addresses pasting large amounts of data and rxvt hang
3517 * code pinched from xterm (v_write()) and applied originally to
3518 * rxvt-2.18 - Hops
3519 * Write data to the pty as typed by the user, pasted with the mouse, 3429/* Write data to the pty as typed by the user, pasted with the mouse,
3520 * or generated by us in response to a query ESC sequence. 3430 * or generated by us in response to a query ESC sequence.
3521 */ 3431 */
3522/* EXTPROTO */
3523void 3432void
3524rxvt_tt_write(pR_ const unsigned char *d, unsigned int len) 3433rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3525{ 3434{
3526#define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */ 3435 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3527 int riten;
3528 unsigned int p;
3529 unsigned char *v_buffer, /* start of physical buffer */
3530 *v_bufstr, /* start of current buffer pending */
3531 *v_bufptr, /* end of current buffer pending */
3532 *v_bufend; /* end of physical buffer */
3533 3436
3534 if (R->v_bufstr == NULL && len > 0) { 3437 if (len)
3535 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3536 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p);
3537 v_bufend = v_buffer + p;
3538 } else {
3539 v_buffer = R->v_buffer;
3540 v_bufstr = R->v_bufstr;
3541 v_bufptr = R->v_bufptr;
3542 v_bufend = R->v_bufend;
3543 } 3438 {
3439 if (v_buflen == 0)
3440 {
3441 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3442 if (written == len)
3443 return;
3544 3444
3545 /* 3445 data += written;
3546 * Append to the block we already have. Always doing this simplifies the 3446 len -= written;
3547 * code, and isn't too bad, either. If this is a short block, it isn't 3447 }
3548 * too expensive, and if this is a long block, we won't be able to write 3448
3549 * it all anyway. 3449
3550 */ 3450 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3551 if (len > 0) { 3451
3552 if (v_bufend < v_bufptr + len) { /* run out of room */ 3452 memcpy (v_buffer + v_buflen, data, len);
3553 if (v_bufstr != v_buffer) { 3453 v_buflen += len;
3554 /* there is unused space, move everything down */
3555 MEMMOVE(v_buffer, v_bufstr,
3556 (unsigned int)(v_bufptr - v_bufstr));
3557 v_bufptr -= v_bufstr - v_buffer;
3558 v_bufstr = v_buffer;
3559 } 3454 }
3560 if (v_bufend < v_bufptr + len) {
3561 /* still won't fit: get more space */
3562 /* use most basic realloc because an error is not fatal. */
3563 unsigned int size = v_bufptr - v_buffer;
3564 unsigned int reallocto;
3565 3455
3566 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; 3456 for (;;)
3567 v_buffer = (unsigned char *)realloc(v_buffer, reallocto); 3457 {
3568 /* save across realloc */ 3458 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3569 if (v_buffer) { 3459
3570 v_bufstr = v_buffer; 3460 if (written > 0)
3571 v_bufptr = v_buffer + size; 3461 {
3572 v_bufend = v_buffer + reallocto; 3462 v_buflen -= written;
3573 } else { /* no memory: ignore entire write request */ 3463
3574 rxvt_print_error("data loss: cannot allocate buffer space"); 3464 if (v_buflen == 0)
3575 v_buffer = v_bufstr; /* restore clobbered pointer */ 3465 {
3576 } 3466 free (v_buffer);
3467 v_buffer = 0;
3468 v_buflen = 0;
3469
3470 pty_ev.set (EVENT_READ);
3471 return;
3472 }
3473
3474 memmove (v_buffer, v_buffer + written, v_buflen);
3475 }
3476 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3477 // original code just ignores this...
3478 destroy ();
3479 else
3480 {
3481 pty_ev.set (EVENT_READ | EVENT_WRITE);
3482 return;
3483 }
3577 } 3484 }
3578 }
3579 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */
3580 MEMCPY(v_bufptr, d, len);
3581 v_bufptr += len;
3582 }
3583 }
3584
3585 /*
3586 * Write out as much of the buffer as we can.
3587 * Be careful not to overflow the pty's input silo.
3588 * We are conservative here and only write a small amount at a time.
3589 *
3590 * If we can't push all the data into the pty yet, we expect write
3591 * to return a non-negative number less than the length requested
3592 * (if some data written) or -1 and set errno to EAGAIN,
3593 * EWOULDBLOCK, or EINTR (if no data written).
3594 *
3595 * (Not all systems do this, sigh, so the code is actually
3596 * a little more forgiving.)
3597 */
3598 if ((p = v_bufptr - v_bufstr) > 0) {
3599 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3600 if (riten < 0)
3601 riten = 0;
3602 v_bufstr += riten;
3603 if (v_bufstr >= v_bufptr) /* we wrote it all */
3604 v_bufstr = v_bufptr = v_buffer;
3605 }
3606 /*
3607 * If we have lots of unused memory allocated, return it
3608 */
3609 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3610 /* save pointers across realloc */
3611 unsigned int start = v_bufstr - v_buffer;
3612 unsigned int size = v_bufptr - v_buffer;
3613 unsigned int reallocto;
3614
3615 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3616 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3617 if (v_buffer) {
3618 v_bufstr = v_buffer + start;
3619 v_bufptr = v_buffer + size;
3620 v_bufend = v_buffer + reallocto;
3621 } else {
3622 /* should we print a warning if couldn't return memory? */
3623 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3624 }
3625 }
3626 R->v_buffer = v_buffer;
3627 R->v_bufstr = v_bufstr;
3628 R->v_bufptr = v_bufptr;
3629 R->v_bufend = v_bufend;
3630} 3485}
3486
3631/*----------------------- end-of-file (C source) -----------------------*/ 3487/*----------------------- end-of-file (C source) -----------------------*/
3632 3488

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