1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*--------------------------------*-C-*---------------------------------* |
2 | * File: command.c |
2 | * File: command.c |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * $Id: command.C,v 1.10 2003/11/27 16:49:45 pcg Exp $ |
4 | * $Id: command.C,v 1.12 2003/12/05 04:05:13 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> |
… | |
… | |
656 | return 0; |
656 | return 0; |
657 | } |
657 | } |
658 | #endif /* MENUBAR_MAX */ |
658 | #endif /* MENUBAR_MAX */ |
659 | |
659 | |
660 | void |
660 | void |
|
|
661 | rxvt_term::flush () |
|
|
662 | { |
|
|
663 | #ifdef TRANSPARENT |
|
|
664 | if (want_full_refresh) |
|
|
665 | { |
|
|
666 | want_full_refresh = 0; |
|
|
667 | rxvt_scr_clear (this); |
|
|
668 | rxvt_scr_touch (this, False); |
|
|
669 | want_refresh = 1; |
|
|
670 | } |
|
|
671 | #endif |
|
|
672 | |
|
|
673 | if (want_refresh) |
|
|
674 | { |
|
|
675 | rxvt_scr_refresh (this, refresh_type); |
|
|
676 | rxvt_scrollbar_show (this, 1); |
|
|
677 | #ifdef USE_XIM |
|
|
678 | rxvt_IMSendSpot (this); |
|
|
679 | #endif |
|
|
680 | } |
|
|
681 | |
|
|
682 | XFlush (Xdisplay); |
|
|
683 | #if 0 |
|
|
684 | if (XPending (Xdisplay)) process_x_events (); |
|
|
685 | if (XPending (Xdisplay)) process_x_events (); |
|
|
686 | #endif |
|
|
687 | } |
|
|
688 | |
|
|
689 | void |
|
|
690 | rxvt_term::check_cb (check_watcher &w) |
|
|
691 | { |
|
|
692 | SET_R (this); |
|
|
693 | |
|
|
694 | flush (); |
|
|
695 | } |
|
|
696 | |
|
|
697 | void |
661 | rxvt_term::process_x_events () |
698 | rxvt_term::process_x_events () |
662 | { |
699 | { |
663 | do |
700 | do |
664 | { |
701 | { |
665 | XEvent xev; |
702 | XEvent xev; |
… | |
… | |
709 | SET_R (this); |
746 | SET_R (this); |
710 | |
747 | |
711 | w.at += BLINK_INTERVAL; |
748 | w.at += BLINK_INTERVAL; |
712 | hidden_cursor = !hidden_cursor; |
749 | hidden_cursor = !hidden_cursor; |
713 | want_refresh = 1; |
750 | want_refresh = 1; |
714 | flush (); |
|
|
715 | } |
751 | } |
716 | |
752 | |
717 | void |
753 | void |
718 | rxvt_term::x_cb (io_watcher &w, short revents) |
754 | rxvt_term::x_cb (io_watcher &w, short revents) |
719 | { |
755 | { |
720 | SET_R (this); |
756 | SET_R (this); |
721 | |
757 | |
722 | process_x_events (); |
758 | process_x_events (); |
|
|
759 | } |
723 | |
760 | |
724 | flush (); |
761 | bool |
|
|
762 | rxvt_term::pty_fill () |
|
|
763 | { |
|
|
764 | ssize_t n = cmdbuf_endp - cmdbuf_ptr; |
|
|
765 | |
|
|
766 | memmove (cmdbuf_base, cmdbuf_ptr, n); |
|
|
767 | cmdbuf_ptr = cmdbuf_base; |
|
|
768 | cmdbuf_endp = cmdbuf_ptr + n; |
|
|
769 | |
|
|
770 | n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n); |
|
|
771 | |
|
|
772 | if (n > 0) |
|
|
773 | { |
|
|
774 | cmdbuf_endp += n; |
|
|
775 | return true; |
|
|
776 | } |
|
|
777 | else if (n < 0 && errno == EAGAIN) |
|
|
778 | return false; |
|
|
779 | |
|
|
780 | destroy (); |
|
|
781 | } |
|
|
782 | |
|
|
783 | void |
|
|
784 | rxvt_term::pty_cb (io_watcher &w, short revents) |
|
|
785 | { |
|
|
786 | SET_R (this); |
|
|
787 | |
|
|
788 | if (revents & EVENT_WRITE) |
|
|
789 | tt_write (0, 0); |
|
|
790 | else if (revents & EVENT_READ) |
|
|
791 | { |
|
|
792 | bool flag = true; |
|
|
793 | |
|
|
794 | // loop, but don't allow a single term to monopolize us |
|
|
795 | // the number of loops is fully arbitrary, and thus wrong |
|
|
796 | while (flag && pty_fill ()) |
|
|
797 | { |
|
|
798 | if (!seen_input) |
|
|
799 | { |
|
|
800 | seen_input = 1; |
|
|
801 | /* once we know the shell is running, send the screen size. Again! */ |
|
|
802 | tt_winch (); |
|
|
803 | } |
|
|
804 | |
|
|
805 | uint32_t ch = NOCHAR; |
|
|
806 | |
|
|
807 | for (;;) |
|
|
808 | { |
|
|
809 | if (ch == NOCHAR) |
|
|
810 | ch = next_char (); |
|
|
811 | |
|
|
812 | if (ch == NOCHAR) // TODO: improve |
|
|
813 | break; |
|
|
814 | |
|
|
815 | if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r') |
|
|
816 | { |
|
|
817 | /* Read a text string from the input buffer */ |
|
|
818 | uint32_t buf[BUFSIZ]; |
|
|
819 | bool refreshnow = false; |
|
|
820 | int nlines = 0; |
|
|
821 | uint32_t *str = buf; |
|
|
822 | |
|
|
823 | *str++ = ch; |
|
|
824 | |
|
|
825 | for (;;) |
|
|
826 | { |
|
|
827 | ch = next_char (); |
|
|
828 | |
|
|
829 | if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r')) |
|
|
830 | break; |
|
|
831 | else |
|
|
832 | { |
|
|
833 | *str++ = ch; |
|
|
834 | |
|
|
835 | if (ch == '\n') |
|
|
836 | { |
|
|
837 | nlines++; |
|
|
838 | refresh_count++; |
|
|
839 | |
|
|
840 | if (!(Options & Opt_jumpScroll) |
|
|
841 | || (refresh_count >= (refresh_limit * (TermWin.nrow - 1)))) |
|
|
842 | { |
|
|
843 | refreshnow = true; |
|
|
844 | flag = false; |
|
|
845 | ch = NOCHAR; |
|
|
846 | break; |
|
|
847 | } |
|
|
848 | } |
|
|
849 | |
|
|
850 | if (str >= buf + BUFSIZ) |
|
|
851 | { |
|
|
852 | ch = NOCHAR; |
|
|
853 | break; |
|
|
854 | } |
|
|
855 | } |
|
|
856 | } |
|
|
857 | |
|
|
858 | rxvt_scr_add_lines (this, buf, nlines, str - buf); |
|
|
859 | |
|
|
860 | /* |
|
|
861 | * If there have been a lot of new lines, then update the screen |
|
|
862 | * What the heck I'll cheat and only refresh less than every page-full. |
|
|
863 | * the number of pages between refreshes is refresh_limit, which |
|
|
864 | * is incremented here because we must be doing flat-out scrolling. |
|
|
865 | * |
|
|
866 | * refreshing should be correct for small scrolls, because of the |
|
|
867 | * time-out |
|
|
868 | */ |
|
|
869 | if (refreshnow) |
|
|
870 | { |
|
|
871 | if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD) |
|
|
872 | refresh_limit++; |
|
|
873 | |
|
|
874 | rxvt_scr_refresh (this, refresh_type); |
|
|
875 | } |
|
|
876 | |
|
|
877 | } |
|
|
878 | else |
|
|
879 | { |
|
|
880 | switch (ch) |
|
|
881 | { |
|
|
882 | default: |
|
|
883 | rxvt_process_nonprinting (this, ch); |
|
|
884 | break; |
|
|
885 | case C0_ESC: /* escape char */ |
|
|
886 | rxvt_process_escape_seq (this); |
|
|
887 | break; |
|
|
888 | /*case 0x9b: */ /* CSI */ |
|
|
889 | /* rxvt_process_csi_seq (this); */ |
|
|
890 | } |
|
|
891 | |
|
|
892 | ch = NOCHAR; |
|
|
893 | } |
|
|
894 | } |
|
|
895 | } |
|
|
896 | } |
725 | } |
897 | } |
726 | |
898 | |
727 | // read the next character, currently handles UTF-8 |
899 | // read the next character, currently handles UTF-8 |
728 | // will probably handle all sorts of other stuff in the future |
900 | // will probably handle all sorts of other stuff in the future |
729 | uint32_t |
901 | uint32_t |
… | |
… | |
775 | return ch; |
947 | return ch; |
776 | } |
948 | } |
777 | } |
949 | } |
778 | |
950 | |
779 | return NOCHAR; |
951 | return NOCHAR; |
780 | } |
|
|
781 | |
|
|
782 | bool |
|
|
783 | rxvt_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 | |
|
|
804 | void |
|
|
805 | rxvt_term::pty_cb (io_watcher &w, short revents) |
|
|
806 | { |
|
|
807 | SET_R (this); |
|
|
808 | |
|
|
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 | |
|
|
915 | void |
|
|
916 | rxvt_term::flush () |
|
|
917 | { |
|
|
918 | #ifdef TRANSPARENT |
|
|
919 | if (want_full_refresh) |
|
|
920 | { |
|
|
921 | want_full_refresh = 0; |
|
|
922 | rxvt_scr_clear (this); |
|
|
923 | rxvt_scr_touch (this, False); |
|
|
924 | want_refresh = 1; |
|
|
925 | } |
|
|
926 | #endif |
|
|
927 | |
|
|
928 | if (want_refresh) |
|
|
929 | { |
|
|
930 | rxvt_scr_refresh (this, refresh_type); |
|
|
931 | rxvt_scrollbar_show (this, 1); |
|
|
932 | #ifdef USE_XIM |
|
|
933 | rxvt_IMSendSpot (this); |
|
|
934 | #endif |
|
|
935 | } |
|
|
936 | |
|
|
937 | if (XPending (Xdisplay)) process_x_events (); |
|
|
938 | XFlush (Xdisplay); |
|
|
939 | if (XPending (Xdisplay)) process_x_events (); |
|
|
940 | } |
952 | } |
941 | |
953 | |
942 | /* rxvt_cmd_getc() - Return next input character */ |
954 | /* rxvt_cmd_getc() - Return next input character */ |
943 | /* |
955 | /* |
944 | * Return the next input character after first passing any keyboard input |
956 | * Return the next input character after first passing any keyboard input |
… | |
… | |
2094 | return stream; |
2106 | return stream; |
2095 | } |
2107 | } |
2096 | |
2108 | |
2097 | /* EXTPROTO */ |
2109 | /* EXTPROTO */ |
2098 | int |
2110 | int |
2099 | rxvt_pclose_printer(FILE *stream) |
2111 | rxvt_pclose_printer (FILE *stream) |
2100 | { |
2112 | { |
2101 | fflush(stream); |
2113 | fflush (stream); |
2102 | /* pclose() reported not to work on SunOS 4.1.3 */ |
2114 | /* pclose() reported not to work on SunOS 4.1.3 */ |
2103 | # if defined (__sun__) /* TODO: RESOLVE THIS */ |
2115 | # if defined (__sun__) /* TODO: RESOLVE THIS */ |
2104 | /* pclose works provided SIGCHLD handler uses waitpid */ |
2116 | /* pclose works provided SIGCHLD handler uses waitpid */ |
2105 | return pclose(stream); /* return fclose (stream); */ |
2117 | return pclose (stream); /* return fclose (stream); */ |
2106 | # else |
2118 | # else |
2107 | return pclose(stream); |
2119 | return pclose (stream); |
2108 | # endif |
2120 | # endif |
2109 | } |
2121 | } |
2110 | |
2122 | |
2111 | /* |
2123 | /* |
2112 | * simulate attached vt100 printer |
2124 | * simulate attached vt100 printer |