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 1.19 2003/12/18 05:45:11 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> |
… | |
… | |
61 | unsigned int newlen; |
61 | unsigned int newlen; |
62 | KeySym keysym; |
62 | KeySym keysym; |
63 | #ifdef DEBUG_CMD |
63 | #ifdef DEBUG_CMD |
64 | static int debug_key = 1; /* accessible by a debugger only */ |
64 | static int debug_key = 1; /* accessible by a debugger only */ |
65 | #endif |
65 | #endif |
66 | #ifdef USE_XIM |
|
|
67 | int valid_keysym; |
66 | int valid_keysym; |
68 | #endif |
|
|
69 | unsigned char *kbuf = R->kbuf; |
67 | unsigned char *kbuf = R->kbuf; |
70 | |
68 | |
71 | /* |
69 | /* |
72 | * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an |
70 | * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an |
73 | * escape sequence to toggle the Keypad. |
71 | * escape sequence to toggle the Keypad. |
… | |
… | |
75 | * Always permit `shift' to override the current setting |
73 | * Always permit `shift' to override the current setting |
76 | */ |
74 | */ |
77 | shft = (ev->state & ShiftMask); |
75 | shft = (ev->state & ShiftMask); |
78 | ctrl = (ev->state & ControlMask); |
76 | ctrl = (ev->state & ControlMask); |
79 | meta = (ev->state & R->ModMetaMask); |
77 | meta = (ev->state & R->ModMetaMask); |
|
|
78 | |
80 | if (R->numlock_state || (ev->state & R->ModNumLockMask)) { |
79 | if (R->numlock_state || (ev->state & R->ModNumLockMask)) |
|
|
80 | { |
81 | R->numlock_state = (ev->state & R->ModNumLockMask); |
81 | R->numlock_state = (ev->state & R->ModNumLockMask); |
82 | PrivMode((!R->numlock_state), PrivMode_aplKP); |
82 | PrivMode((!R->numlock_state), PrivMode_aplKP); |
83 | } |
83 | } |
|
|
84 | |
|
|
85 | kbuf[0] = 0; |
|
|
86 | |
84 | #ifdef USE_XIM |
87 | #ifdef USE_XIM |
85 | if (R->Input_Context != NULL) { |
88 | if (R->Input_Context) |
|
|
89 | { |
86 | Status status_return; |
90 | Status status_return; |
87 | |
91 | |
88 | kbuf[0] = '\0'; |
|
|
89 | #ifdef X_HAVE_UTF8_STRING |
92 | #ifdef X_HAVE_UTF8_STRING |
90 | len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf, |
93 | len = Xutf8LookupString (R->Input_Context, ev, (char *)kbuf, |
91 | KBUFSZ, &keysym, &status_return); |
94 | KBUFSZ, &keysym, &status_return); |
92 | #else |
95 | #else |
|
|
96 | wchar_t wkbuf[KBUFSZ + 1]; |
|
|
97 | |
|
|
98 | // assume wchar_t == unicode or better |
93 | len = XmbLookupString(R->Input_Context, ev, (char *)kbuf, |
99 | len = XwcLookupString (R->Input_Context, ev, wkbuf, |
94 | KBUFSZ, &keysym, &status_return); |
100 | KBUFSZ, &keysym, &status_return); |
|
|
101 | |
|
|
102 | if (status_return == XLookupChars |
|
|
103 | || status_return == XLookupBoth) |
|
|
104 | { |
|
|
105 | wkbuf[len] = 0; |
|
|
106 | len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ); |
|
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107 | } |
|
|
108 | else |
|
|
109 | len = 0; |
95 | #endif |
110 | #endif |
96 | valid_keysym = ((status_return == XLookupKeySym) |
111 | valid_keysym = status_return == XLookupKeySym |
97 | || (status_return == XLookupBoth)); |
112 | || status_return == XLookupBoth; |
|
|
113 | } |
98 | } else { |
114 | else |
|
|
115 | #endif |
|
|
116 | { |
99 | len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym, |
117 | len = XLookupString (ev, (char *)kbuf, KBUFSZ, &keysym, &R->compose); |
100 | &R->compose); |
|
|
101 | valid_keysym = 1; |
118 | valid_keysym = !len; |
102 | } |
119 | } |
103 | #else /* USE_XIM */ |
|
|
104 | len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym, |
|
|
105 | &R->compose); |
|
|
106 | /* |
|
|
107 | * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1 |
|
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108 | * good for installations with correct fonts, but without XLOCALE |
|
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109 | */ |
|
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110 | if (!len) { |
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111 | if ((keysym >= 0x0100) && (keysym < 0x0800)) { |
|
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112 | kbuf[0] = (keysym & 0xFF); |
|
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113 | kbuf[1] = '\0'; |
|
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114 | len = 1; |
|
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115 | } else |
|
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116 | kbuf[0] = '\0'; |
|
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117 | } |
|
|
118 | #endif /* USE_XIM */ |
|
|
119 | |
120 | |
120 | #ifdef USE_XIM |
|
|
121 | if (valid_keysym) |
121 | if (valid_keysym) |
122 | #endif |
|
|
123 | { |
122 | { |
124 | /* for some backwards compatibility */ |
123 | /* for some backwards compatibility */ |
125 | #if defined(HOTKEY_CTRL) || defined(HOTKEY_META) |
124 | #if defined(HOTKEY_CTRL) || defined(HOTKEY_META) |
126 | # ifdef HOTKEY_CTRL |
125 | # ifdef HOTKEY_CTRL |
127 | if (ctrl) { |
126 | if (ctrl) |
128 | # else |
127 | # else |
129 | if (meta) { |
128 | if (meta) |
130 | # endif |
129 | # endif |
|
|
130 | { |
131 | if (keysym == R->ks_bigfont) { |
131 | if (keysym == R->ks_bigfont) |
|
|
132 | { |
132 | rxvt_change_font(aR_ 0, FONT_UP); |
133 | rxvt_change_font(aR_ 0, FONT_UP); |
133 | return; |
134 | return; |
|
|
135 | } |
134 | } else if (keysym == R->ks_smallfont) { |
136 | else if (keysym == R->ks_smallfont) |
|
|
137 | { |
135 | rxvt_change_font(aR_ 0, FONT_DN); |
138 | rxvt_change_font(aR_ 0, FONT_DN); |
136 | return; |
139 | return; |
137 | } |
140 | } |
138 | } |
141 | } |
139 | #endif |
142 | #endif |
140 | |
143 | |
141 | if (R->TermWin.saveLines) { |
144 | if (R->TermWin.saveLines) { |
142 | #ifdef UNSHIFTED_SCROLLKEYS |
145 | #ifdef UNSHIFTED_SCROLLKEYS |
143 | if (!ctrl && !meta) { |
146 | if (!ctrl && !meta) { |
… | |
… | |
237 | /* escape prefix */ |
240 | /* escape prefix */ |
238 | if (meta) |
241 | if (meta) |
239 | # ifdef META8_OPTION |
242 | # ifdef META8_OPTION |
240 | if (R->meta_char == C0_ESC) |
243 | if (R->meta_char == C0_ESC) |
241 | # endif |
244 | # endif |
242 | rxvt_tt_write(aR_ &ch, 1); |
245 | R->tt_write (&ch, 1); |
243 | rxvt_tt_write(aR_ kbuf0, l); |
246 | R->tt_write (kbuf0, l); |
244 | return; |
247 | return; |
245 | } else |
248 | } else |
246 | #endif |
249 | #endif |
247 | { |
250 | { |
248 | newlen = 1; |
251 | newlen = 1; |
… | |
… | |
572 | if (R->greek_mode) |
575 | if (R->greek_mode) |
573 | len = greek_xlat(kbuf, len); |
576 | len = greek_xlat(kbuf, len); |
574 | #endif |
577 | #endif |
575 | /* nil */ ; |
578 | /* nil */ ; |
576 | } |
579 | } |
577 | } |
580 | } |
578 | |
581 | |
579 | if (len <= 0) |
582 | if (len <= 0) |
580 | return; /* not mapped */ |
583 | return; /* not mapped */ |
581 | |
584 | |
582 | if (R->Options & Opt_scrollTtyKeypress) |
585 | if (R->Options & Opt_scrollTtyKeypress) |
… | |
… | |
605 | && (R->meta_char == C0_ESC) |
608 | && (R->meta_char == C0_ESC) |
606 | #endif |
609 | #endif |
607 | ) { |
610 | ) { |
608 | const unsigned char ch = C0_ESC; |
611 | const unsigned char ch = C0_ESC; |
609 | |
612 | |
610 | rxvt_tt_write(aR_ &ch, 1); |
613 | R->tt_write(&ch, 1); |
611 | } |
614 | } |
612 | #ifdef DEBUG_CMD |
615 | #ifdef DEBUG_CMD |
613 | if (debug_key) { /* Display keyboard buffer contents */ |
616 | if (debug_key) { /* Display keyboard buffer contents */ |
614 | char *p; |
617 | char *p; |
615 | int i; |
618 | int i; |
… | |
… | |
618 | for (i = 0, p = kbuf; i < len; i++, p++) |
621 | for (i = 0, p = kbuf; i < len; i++, p++) |
619 | fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p); |
622 | fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p); |
620 | fprintf(stderr, "'\n"); |
623 | fprintf(stderr, "'\n"); |
621 | } |
624 | } |
622 | #endif /* DEBUG_CMD */ |
625 | #endif /* DEBUG_CMD */ |
623 | rxvt_tt_write(aR_ kbuf, (unsigned int)len); |
626 | R->tt_write(kbuf, (unsigned int)len); |
624 | } |
627 | } |
625 | /*}}} */ |
628 | /*}}} */ |
626 | |
629 | |
627 | #if (MENUBAR_MAX) |
630 | #if (MENUBAR_MAX) |
628 | /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */ |
631 | /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */ |
… | |
… | |
632 | rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count) |
635 | rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count) |
633 | { |
636 | { |
634 | unsigned int n, s; |
637 | unsigned int n, s; |
635 | unsigned char *cmdbuf_base = R->cmdbuf_base, |
638 | unsigned char *cmdbuf_base = R->cmdbuf_base, |
636 | *cmdbuf_endp = R->cmdbuf_endp, |
639 | *cmdbuf_endp = R->cmdbuf_endp, |
637 | *cmdbuf_ptr = R->cmdbuf_ptr; |
640 | *cmdbuf_ptr = R->cmdbuf_ptr; |
638 | |
641 | |
639 | n = cmdbuf_ptr - cmdbuf_base; |
642 | n = cmdbuf_ptr - cmdbuf_base; |
640 | s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp; |
643 | s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp; |
641 | if (n > 0 && s < count) { |
644 | if (n > 0 && s < count) { |
642 | MEMMOVE(cmdbuf_base, cmdbuf_ptr, |
645 | MEMMOVE(cmdbuf_base, cmdbuf_ptr, |
… | |
… | |
656 | return 0; |
659 | return 0; |
657 | } |
660 | } |
658 | #endif /* MENUBAR_MAX */ |
661 | #endif /* MENUBAR_MAX */ |
659 | |
662 | |
660 | void |
663 | void |
|
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664 | rxvt_term::flush () |
|
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665 | { |
|
|
666 | #ifdef TRANSPARENT |
|
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667 | if (want_full_refresh) |
|
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668 | { |
|
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669 | want_full_refresh = 0; |
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670 | rxvt_scr_clear (this); |
|
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671 | rxvt_scr_touch (this, False); |
|
|
672 | want_refresh = 1; |
|
|
673 | } |
|
|
674 | #endif |
|
|
675 | |
|
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676 | if (want_refresh) |
|
|
677 | { |
|
|
678 | rxvt_scr_refresh (this, refresh_type); |
|
|
679 | rxvt_scrollbar_show (this, 1); |
|
|
680 | #ifdef USE_XIM |
|
|
681 | rxvt_IMSendSpot (this); |
|
|
682 | #endif |
|
|
683 | } |
|
|
684 | |
|
|
685 | XFlush (Xdisplay); |
|
|
686 | #if 0 |
|
|
687 | if (XPending (Xdisplay)) process_x_events (); |
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|
688 | if (XPending (Xdisplay)) process_x_events (); |
|
|
689 | #endif |
|
|
690 | } |
|
|
691 | |
|
|
692 | void |
|
|
693 | rxvt_term::check_cb (check_watcher &w) |
|
|
694 | { |
|
|
695 | SET_R (this); |
|
|
696 | SET_LOCALE (locale); |
|
|
697 | |
|
|
698 | flush (); |
|
|
699 | } |
|
|
700 | |
|
|
701 | void |
661 | rxvt_term::process_x_events () |
702 | rxvt_term::process_x_events () |
662 | { |
703 | { |
663 | do |
704 | do |
664 | { |
705 | { |
665 | XEvent xev; |
706 | XEvent xev; |
666 | |
707 | |
667 | XNextEvent (Xdisplay, &xev); |
708 | XNextEvent (Xdisplay, &xev); |
|
|
709 | |
668 | #if defined(CURSOR_BLINK) |
710 | #if defined(CURSOR_BLINK) |
669 | if ((Options & Opt_cursorBlink) |
711 | if ((Options & Opt_cursorBlink) |
670 | && xev.type == KeyPress) { |
712 | && xev.type == KeyPress) |
|
|
713 | { |
671 | if (hidden_cursor) { |
714 | if (hidden_cursor) |
|
|
715 | { |
672 | hidden_cursor = 0; |
716 | hidden_cursor = 0; |
673 | want_refresh = 1; |
717 | want_refresh = 1; |
674 | } |
718 | } |
675 | want_keypress_time = 1; |
719 | |
|
|
720 | blink_ev.start (NOW + BLINK_INTERVAL); |
676 | } |
721 | } |
677 | #endif |
722 | #endif |
678 | |
723 | |
679 | #if defined(POINTER_BLANK) |
724 | #if defined(POINTER_BLANK) |
680 | if ((Options & Opt_pointerBlank) |
725 | if ((Options & Opt_pointerBlank) |
681 | && (pointerBlankDelay > 0)) { |
726 | && (pointerBlankDelay > 0)) |
|
|
727 | { |
682 | if (xev.type == MotionNotify |
728 | if (xev.type == MotionNotify |
683 | || xev.type == ButtonPress |
729 | || xev.type == ButtonPress |
684 | || xev.type == ButtonRelease) { |
730 | || xev.type == ButtonRelease) |
685 | if (hidden_pointer) |
731 | if (hidden_pointer) |
686 | rxvt_pointer_unblank(aR); |
732 | pointer_unblank (); |
687 | want_motion_time = 1; |
733 | |
688 | } |
|
|
689 | if (xev.type == KeyPress && hidden_pointer == 0) |
734 | if (xev.type == KeyPress && hidden_pointer == 0) |
690 | rxvt_pointer_blank (this); |
735 | pointer_blank (); |
691 | } |
736 | } |
692 | #endif |
737 | #endif |
693 | |
738 | |
694 | #ifdef USE_XIM |
739 | #ifdef USE_XIM |
695 | if (!XFilterEvent (&xev, xev.xany.window)) |
740 | if (!XFilterEvent (&xev, xev.xany.window)) |
696 | #endif |
741 | #endif |
… | |
… | |
698 | } |
743 | } |
699 | while (XPending (Xdisplay)); |
744 | while (XPending (Xdisplay)); |
700 | } |
745 | } |
701 | |
746 | |
702 | void |
747 | void |
|
|
748 | rxvt_term::blink_cb (time_watcher &w) |
|
|
749 | { |
|
|
750 | w.at += BLINK_INTERVAL; |
|
|
751 | hidden_cursor = !hidden_cursor; |
|
|
752 | want_refresh = 1; |
|
|
753 | } |
|
|
754 | |
|
|
755 | void |
703 | rxvt_term::x_cb (io_watcher &w, short revents) |
756 | rxvt_term::x_cb (io_watcher &w, short revents) |
704 | { |
757 | { |
|
|
758 | SET_R (this); |
|
|
759 | SET_LOCALE (locale); |
|
|
760 | |
705 | process_x_events (); |
761 | process_x_events (); |
|
|
762 | } |
|
|
763 | |
|
|
764 | bool |
|
|
765 | rxvt_term::pty_fill () |
|
|
766 | { |
|
|
767 | ssize_t n = cmdbuf_endp - cmdbuf_ptr; |
|
|
768 | |
|
|
769 | memmove (cmdbuf_base, cmdbuf_ptr, n); |
|
|
770 | cmdbuf_ptr = cmdbuf_base; |
|
|
771 | cmdbuf_endp = cmdbuf_ptr + n; |
|
|
772 | |
|
|
773 | n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n); |
|
|
774 | |
|
|
775 | if (n > 0) |
|
|
776 | { |
|
|
777 | cmdbuf_endp += n; |
|
|
778 | return true; |
|
|
779 | } |
|
|
780 | else if (n < 0 && errno != EAGAIN) |
|
|
781 | destroy (); |
|
|
782 | |
|
|
783 | return false; |
|
|
784 | } |
|
|
785 | |
|
|
786 | void |
|
|
787 | rxvt_term::pty_cb (io_watcher &w, short revents) |
|
|
788 | { |
|
|
789 | SET_R (this); |
|
|
790 | SET_LOCALE (locale); |
|
|
791 | |
|
|
792 | if (revents & EVENT_WRITE) |
|
|
793 | tt_write (0, 0); |
|
|
794 | else if (revents & EVENT_READ) |
|
|
795 | { |
|
|
796 | bool flag = true; |
|
|
797 | |
|
|
798 | // loop, but don't allow a single term to monopolize us |
|
|
799 | // the number of loops is fully arbitrary, and thus wrong |
|
|
800 | while (flag && pty_fill ()) |
|
|
801 | { |
|
|
802 | if (!seen_input) |
|
|
803 | { |
|
|
804 | seen_input = 1; |
|
|
805 | /* once we know the shell is running, send the screen size. Again! */ |
|
|
806 | tt_winch (); |
|
|
807 | } |
|
|
808 | |
|
|
809 | uint32_t ch = NOCHAR; |
|
|
810 | |
|
|
811 | for (;;) |
|
|
812 | { |
|
|
813 | if (ch == NOCHAR) |
|
|
814 | ch = next_char (); |
|
|
815 | |
|
|
816 | if (ch == NOCHAR) // TODO: improve |
|
|
817 | break; |
|
|
818 | |
|
|
819 | if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r') |
|
|
820 | { |
|
|
821 | /* Read a text string from the input buffer */ |
|
|
822 | uint32_t buf[BUFSIZ]; |
|
|
823 | bool refreshnow = false; |
|
|
824 | int nlines = 0; |
|
|
825 | uint32_t *str = buf; |
|
|
826 | |
|
|
827 | *str++ = ch; |
|
|
828 | |
|
|
829 | for (;;) |
|
|
830 | { |
|
|
831 | ch = next_char (); |
|
|
832 | |
|
|
833 | if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r')) |
|
|
834 | break; |
|
|
835 | else |
|
|
836 | { |
|
|
837 | *str++ = ch; |
|
|
838 | |
|
|
839 | if (ch == '\n') |
|
|
840 | { |
|
|
841 | nlines++; |
|
|
842 | refresh_count++; |
|
|
843 | |
|
|
844 | if (!(Options & Opt_jumpScroll) |
|
|
845 | || (refresh_count >= (refresh_limit * (TermWin.nrow - 1)))) |
|
|
846 | { |
|
|
847 | refreshnow = true; |
|
|
848 | flag = false; |
|
|
849 | ch = NOCHAR; |
|
|
850 | break; |
|
|
851 | } |
|
|
852 | } |
|
|
853 | |
|
|
854 | if (str >= buf + BUFSIZ) |
|
|
855 | { |
|
|
856 | ch = NOCHAR; |
|
|
857 | break; |
|
|
858 | } |
|
|
859 | } |
|
|
860 | } |
|
|
861 | |
|
|
862 | rxvt_scr_add_lines (this, buf, nlines, str - buf); |
|
|
863 | |
|
|
864 | /* |
|
|
865 | * If there have been a lot of new lines, then update the screen |
|
|
866 | * What the heck I'll cheat and only refresh less than every page-full. |
|
|
867 | * the number of pages between refreshes is refresh_limit, which |
|
|
868 | * is incremented here because we must be doing flat-out scrolling. |
|
|
869 | * |
|
|
870 | * refreshing should be correct for small scrolls, because of the |
|
|
871 | * time-out |
|
|
872 | */ |
|
|
873 | if (refreshnow) |
|
|
874 | { |
|
|
875 | if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD) |
|
|
876 | refresh_limit++; |
|
|
877 | |
|
|
878 | rxvt_scr_refresh (this, refresh_type); |
|
|
879 | } |
|
|
880 | |
|
|
881 | } |
|
|
882 | else |
|
|
883 | { |
|
|
884 | switch (ch) |
|
|
885 | { |
|
|
886 | default: |
|
|
887 | rxvt_process_nonprinting (this, ch); |
|
|
888 | break; |
|
|
889 | case C0_ESC: /* escape char */ |
|
|
890 | rxvt_process_escape_seq (this); |
|
|
891 | break; |
|
|
892 | /*case 0x9b: */ /* CSI */ |
|
|
893 | /* rxvt_process_csi_seq (this); */ |
|
|
894 | } |
|
|
895 | |
|
|
896 | ch = NOCHAR; |
|
|
897 | } |
|
|
898 | } |
|
|
899 | } |
|
|
900 | } |
706 | } |
901 | } |
707 | |
902 | |
708 | // read the next character, currently handles UTF-8 |
903 | // read the next character, currently handles UTF-8 |
709 | // will probably handle all sorts of other stuff in the future |
904 | // will probably handle all sorts of other stuff in the future |
710 | static uint32_t |
905 | uint32_t |
711 | next_char (pR) |
906 | rxvt_term::next_char () |
712 | { |
907 | { |
713 | mbstate &s = R->mbstate; |
908 | struct mbstate &s = mbstate; |
714 | |
909 | |
715 | while (R->cmdbuf_ptr < R->cmdbuf_endp) |
910 | while (cmdbuf_ptr < cmdbuf_endp) |
716 | { |
911 | { |
717 | uint8_t ch = *R->cmdbuf_ptr; |
912 | uint8_t ch = *cmdbuf_ptr; |
718 | |
913 | |
719 | if (s.cnt) |
914 | if (s.cnt) |
720 | { |
915 | { |
721 | if ((ch & 0xc0) == 0x80) |
916 | if ((ch & 0xc0) == 0x80) |
722 | { |
917 | { |
723 | R->cmdbuf_ptr++; |
918 | cmdbuf_ptr++; |
724 | |
919 | |
725 | /* continuation */ |
920 | /* continuation */ |
726 | s.reg = (s.reg << 6) | (ch & 0x7f); |
921 | s.reg = (s.reg << 6) | (ch & 0x7f); |
727 | |
922 | |
728 | if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */ |
923 | if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */ |
… | |
… | |
737 | } |
932 | } |
738 | } |
933 | } |
739 | |
934 | |
740 | if ((ch & 0xc0) == 0xc0) |
935 | if ((ch & 0xc0) == 0xc0) |
741 | { |
936 | { |
742 | R->cmdbuf_ptr++; |
937 | cmdbuf_ptr++; |
743 | |
938 | |
744 | /* first byte */ |
939 | /* first byte */ |
745 | s.orig = ch; /* for broken encodings */ |
940 | s.orig = ch; /* for broken encodings */ |
746 | s.reg = ch; |
941 | s.reg = ch; |
747 | if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; } |
942 | if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; } |
… | |
… | |
750 | if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; } |
945 | if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; } |
751 | if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; } |
946 | if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; } |
752 | } |
947 | } |
753 | else |
948 | else |
754 | { |
949 | { |
755 | R->cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */ |
950 | cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */ |
756 | return ch; |
951 | return ch; |
757 | } |
952 | } |
758 | } |
953 | } |
759 | |
954 | |
760 | return NOCHAR; |
955 | return NOCHAR; |
761 | } |
|
|
762 | |
|
|
763 | void |
|
|
764 | rxvt_term::pty_cb (io_watcher &w, short revents) |
|
|
765 | { |
|
|
766 | int n; |
|
|
767 | unsigned int count; |
|
|
768 | |
|
|
769 | if (count = (cmdbuf_endp - cmdbuf_ptr)) |
|
|
770 | { |
|
|
771 | memmove (cmdbuf_base, cmdbuf_ptr, count); |
|
|
772 | cmdbuf_ptr = cmdbuf_base; |
|
|
773 | cmdbuf_endp = cmdbuf_ptr + count; |
|
|
774 | } |
|
|
775 | |
|
|
776 | |
|
|
777 | for (count = BUFSIZ - count; count; count -= n, cmdbuf_endp += n) |
|
|
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 | { |
|
|
790 | uint32_t c = next_char (this); |
|
|
791 | |
|
|
792 | #if 0 |
|
|
793 | if (c != NOCHAR) |
|
|
794 | return c; |
|
|
795 | #endif |
|
|
796 | } |
|
|
797 | } |
956 | } |
798 | |
957 | |
799 | /* rxvt_cmd_getc() - Return next input character */ |
958 | /* rxvt_cmd_getc() - Return next input character */ |
800 | /* |
959 | /* |
801 | * Return the next input character after first passing any keyboard input |
960 | * Return the next input character after first passing any keyboard input |
… | |
… | |
803 | */ |
962 | */ |
804 | /* INTPROTO */ |
963 | /* INTPROTO */ |
805 | uint32_t |
964 | uint32_t |
806 | rxvt_cmd_getc(pR) |
965 | rxvt_cmd_getc(pR) |
807 | { |
966 | { |
|
|
967 | for (;;) |
|
|
968 | { |
|
|
969 | uint32_t c = R->next_char (); |
|
|
970 | if (c != NOCHAR) |
|
|
971 | return c; |
|
|
972 | |
|
|
973 | // incomplete sequences should occur rarely, still, a better solution |
|
|
974 | // would be preferred. either setjmp/longjmp or better design. |
|
|
975 | fcntl (R->cmd_fd, F_SETFL, 0); |
|
|
976 | R->pty_fill (); |
|
|
977 | fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK); |
|
|
978 | } |
|
|
979 | |
|
|
980 | #if 0 |
808 | #define TIMEOUT_USEC 5000 |
981 | #define TIMEOUT_USEC 5000 |
809 | fd_set readfds; |
982 | fd_set readfds; |
810 | int quick_timeout, select_res; |
983 | int quick_timeout, select_res; |
811 | int want_motion_time, want_keypress_time; |
984 | int want_motion_time, want_keypress_time; |
812 | struct timeval value; |
985 | struct timeval value; |
813 | #if defined(POINTER_BLANK) || defined(CURSOR_BLINK) |
986 | #if defined(POINTER_BLANK) || defined(CURSOR_BLINK) |
814 | struct timeval tp; |
987 | struct timeval tp; |
815 | #endif |
988 | #endif |
816 | |
989 | |
817 | uint32_t c = next_char (aR); |
|
|
818 | if (c != NOCHAR) |
|
|
819 | return c; |
|
|
820 | |
|
|
821 | for (;;) { |
990 | for (;;) { |
822 | /* loop until we can return something */ |
991 | /* loop until we can return something */ |
823 | |
992 | |
824 | if (R->v_bufstr < R->v_bufptr) /* output any pending chars */ |
993 | if (R->v_bufstr < R->v_bufptr) /* output any pending chars */ |
825 | rxvt_tt_write(aR_ NULL, 0); |
994 | 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 | |
995 | |
867 | #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING) |
996 | #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING) |
868 | if (R->mouse_slip_wheel_speed) { |
997 | if (R->mouse_slip_wheel_speed) { |
869 | quick_timeout = 1; |
998 | quick_timeout = 1; |
870 | if (!R->mouse_slip_wheel_delay-- |
999 | if (!R->mouse_slip_wheel_delay-- |
… | |
… | |
900 | R->want_refresh = 1; |
1029 | R->want_refresh = 1; |
901 | } |
1030 | } |
902 | } |
1031 | } |
903 | #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */ |
1032 | #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */ |
904 | |
1033 | |
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 |
1034 | #ifdef TRANSPARENT |
916 | quick_timeout |= R->want_full_refresh; |
1035 | quick_timeout |= R->want_full_refresh; |
917 | #endif |
1036 | #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 |
1037 | #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 | } |
1038 | } |
1026 | /*}}} */ |
|
|
1027 | |
1039 | |
1028 | /* EXTPROTO */ |
|
|
1029 | void |
1040 | void |
1030 | rxvt_pointer_unblank(pR) |
1041 | rxvt_term::pointer_unblank () |
1031 | { |
1042 | { |
1032 | XDefineCursor(R->Xdisplay, R->TermWin.vt, R->TermWin_cursor); |
1043 | XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor); |
1033 | rxvt_recolour_cursor(aR); |
1044 | recolour_cursor (); |
|
|
1045 | |
1034 | #ifdef POINTER_BLANK |
1046 | #ifdef POINTER_BLANK |
1035 | R->hidden_pointer = 0; |
1047 | hidden_pointer = 0; |
1036 | if (R->pointerBlankDelay > 0) { |
|
|
1037 | struct timeval tp; |
|
|
1038 | |
1048 | |
1039 | (void)gettimeofday(&tp, NULL); |
1049 | if (Options & Opt_pointerBlank) |
1040 | R->lastmotion.tv_sec = tp.tv_sec; |
1050 | pointer_ev.start (NOW + pointerBlankDelay); |
1041 | R->lastmotion.tv_usec = tp.tv_usec; |
|
|
1042 | } |
|
|
1043 | #endif |
1051 | #endif |
1044 | } |
1052 | } |
1045 | |
1053 | |
1046 | #ifdef POINTER_BLANK |
1054 | #ifdef POINTER_BLANK |
1047 | /* INTPROTO */ |
|
|
1048 | void |
1055 | void |
1049 | rxvt_pointer_blank(pR) |
1056 | rxvt_term::pointer_blank () |
1050 | { |
1057 | { |
|
|
1058 | pointer_ev.stop (); |
|
|
1059 | |
|
|
1060 | if (!(Options & Opt_pointerBlank)) |
|
|
1061 | return; |
|
|
1062 | |
1051 | XDefineCursor(R->Xdisplay, R->TermWin.vt, R->pointer_blank); |
1063 | XDefineCursor (Xdisplay, TermWin.vt, blank_cursor); |
1052 | XFlush(R->Xdisplay); |
1064 | XFlush (Xdisplay); |
|
|
1065 | |
1053 | R->hidden_pointer = 1; |
1066 | hidden_pointer = 1; |
|
|
1067 | } |
|
|
1068 | |
|
|
1069 | void |
|
|
1070 | rxvt_term::pointer_cb (time_watcher &w) |
|
|
1071 | { |
|
|
1072 | SET_R (this); |
|
|
1073 | SET_LOCALE (locale); |
|
|
1074 | |
|
|
1075 | pointer_blank (); |
1054 | } |
1076 | } |
1055 | #endif |
1077 | #endif |
1056 | |
1078 | |
1057 | /* INTPROTO */ |
1079 | /* INTPROTO */ |
1058 | void |
1080 | void |
… | |
… | |
1111 | fprintf(stderr, "]: <%d>, %d/%d\n", |
1133 | fprintf(stderr, "]: <%d>, %d/%d\n", |
1112 | button_number, |
1134 | button_number, |
1113 | x + 1, |
1135 | x + 1, |
1114 | y + 1); |
1136 | y + 1); |
1115 | #else |
1137 | #else |
1116 | rxvt_tt_printf(aR_ "\033[M%c%c%c", |
1138 | R->tt_printf("\033[M%c%c%c", |
1117 | (32 + button_number + key_state), |
1139 | (32 + button_number + key_state), |
1118 | (32 + x + 1), |
1140 | (32 + x + 1), |
1119 | (32 + y + 1)); |
1141 | (32 + y + 1)); |
1120 | #endif |
1142 | #endif |
1121 | } |
1143 | } |
… | |
… | |
1138 | { |
1160 | { |
1139 | int i, want_timeout; |
1161 | int i, want_timeout; |
1140 | Window unused_root, unused_child; |
1162 | Window unused_root, unused_child; |
1141 | int unused_root_x, unused_root_y; |
1163 | int unused_root_x, unused_root_y; |
1142 | unsigned int unused_mask; |
1164 | unsigned int unused_mask; |
1143 | struct timeval tp; |
|
|
1144 | |
1165 | |
1145 | #ifdef DEBUG_X |
1166 | #ifdef DEBUG_X |
1146 | const char *const eventnames[] = |
1167 | const char *const eventnames[] = |
1147 | { /* mason - this matches my system */ |
1168 | { /* mason - this matches my system */ |
1148 | "", |
1169 | "", |
… | |
… | |
1179 | "SelectionNotify", |
1200 | "SelectionNotify", |
1180 | "ColormapNotify", |
1201 | "ColormapNotify", |
1181 | "ClientMessage", |
1202 | "ClientMessage", |
1182 | "MappingNotify" |
1203 | "MappingNotify" |
1183 | }; |
1204 | }; |
|
|
1205 | #endif |
|
|
1206 | |
|
|
1207 | #ifdef DEBUG_X |
|
|
1208 | struct timeval tp; |
1184 | struct tm *ltt; |
1209 | struct tm *ltt; |
1185 | #endif |
|
|
1186 | |
|
|
1187 | /* |
|
|
1188 | * check if we need to get the time for any timeouts |
|
|
1189 | */ |
|
|
1190 | |
|
|
1191 | for (i = NUM_TIMEOUTS; i--; ) |
|
|
1192 | if (R->timeout[i].tv_sec) { |
|
|
1193 | want_timeout = 1; |
|
|
1194 | break; |
|
|
1195 | } |
|
|
1196 | |
|
|
1197 | #ifndef DEBUG_X |
|
|
1198 | if (want_timeout) |
|
|
1199 | #endif |
|
|
1200 | (void)gettimeofday(&tp, NULL); |
1210 | (void)gettimeofday(&tp, NULL); |
1201 | |
|
|
1202 | #ifdef DEBUG_X |
|
|
1203 | ltt = localtime(&(tp.tv_sec)); |
1211 | ltt = localtime(&(tp.tv_sec)); |
1204 | 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)); |
1212 | 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)); |
1205 | #endif |
1213 | #endif |
1206 | |
|
|
1207 | /* X event timeouts */ |
|
|
1208 | if (want_timeout) |
|
|
1209 | for (i = NUM_TIMEOUTS; i--; ) { |
|
|
1210 | if (R->timeout[i].tv_sec == 0) |
|
|
1211 | continue; |
|
|
1212 | if ((tp.tv_sec < R->timeout[i].tv_sec) |
|
|
1213 | || (tp.tv_sec == R->timeout[i].tv_sec |
|
|
1214 | && tp.tv_usec < R->timeout[i].tv_usec)) |
|
|
1215 | continue; |
|
|
1216 | R->timeout[i].tv_sec = 0; |
|
|
1217 | switch(i) { |
|
|
1218 | case TIMEOUT_INCR: |
|
|
1219 | rxvt_print_error("data loss: timeout on INCR selection paste"); |
|
|
1220 | R->selection_wait = Sel_none; |
|
|
1221 | break; |
|
|
1222 | default: |
|
|
1223 | break; |
|
|
1224 | } |
|
|
1225 | } |
|
|
1226 | |
1214 | |
1227 | switch (ev->type) { |
1215 | switch (ev->type) { |
1228 | case KeyPress: |
1216 | case KeyPress: |
1229 | rxvt_lookup_key(aR_ (XKeyEvent *)ev); |
1217 | rxvt_lookup_key(aR_ (XKeyEvent *)ev); |
1230 | break; |
1218 | break; |
… | |
… | |
1254 | break; |
1242 | break; |
1255 | |
1243 | |
1256 | case ClientMessage: |
1244 | case ClientMessage: |
1257 | if (ev->xclient.format == 32 |
1245 | if (ev->xclient.format == 32 |
1258 | && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW]) |
1246 | && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW]) |
1259 | exit(EXIT_SUCCESS); |
1247 | R->destroy (); |
1260 | #ifdef OFFIX_DND |
1248 | #ifdef OFFIX_DND |
1261 | /* OffiX Dnd (drag 'n' drop) protocol */ |
1249 | /* OffiX Dnd (drag 'n' drop) protocol */ |
1262 | if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL] |
1250 | else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL] |
1263 | && (ev->xclient.data.l[0] == DndFile |
1251 | && (ev->xclient.data.l[0] == DndFile |
1264 | || ev->xclient.data.l[0] == DndDir |
1252 | || ev->xclient.data.l[0] == DndDir |
1265 | || ev->xclient.data.l[0] == DndLink)) { |
1253 | || ev->xclient.data.l[0] == DndLink)) { |
1266 | /* Get Dnd data */ |
1254 | /* Get Dnd data */ |
1267 | Atom ActualType; |
1255 | Atom ActualType; |
… | |
… | |
1299 | * in the GraphicsExpose parts, which means that after each refresh, |
1287 | * in the GraphicsExpose parts, which means that after each refresh, |
1300 | * we need to wait for the graphics expose or Noexpose events, |
1288 | * we need to wait for the graphics expose or Noexpose events, |
1301 | * which ought to make things real slow! |
1289 | * which ought to make things real slow! |
1302 | */ |
1290 | */ |
1303 | case VisibilityNotify: |
1291 | case VisibilityNotify: |
1304 | switch (ev->xvisibility.state) { |
1292 | switch (ev->xvisibility.state) |
|
|
1293 | { |
1305 | case VisibilityUnobscured: |
1294 | case VisibilityUnobscured: |
1306 | R->refresh_type = FAST_REFRESH; |
1295 | R->refresh_type = FAST_REFRESH; |
1307 | break; |
1296 | break; |
1308 | case VisibilityPartiallyObscured: |
1297 | case VisibilityPartiallyObscured: |
1309 | R->refresh_type = SLOW_REFRESH; |
1298 | R->refresh_type = SLOW_REFRESH; |
1310 | break; |
1299 | break; |
1311 | default: |
1300 | default: |
1312 | R->refresh_type = NO_REFRESH; |
1301 | R->refresh_type = NO_REFRESH; |
1313 | break; |
1302 | break; |
1314 | } |
1303 | } |
1315 | break; |
1304 | break; |
1316 | |
1305 | |
1317 | case FocusIn: |
1306 | case FocusIn: |
1318 | if (!R->TermWin.focus) { |
1307 | if (!R->TermWin.focus) { |
1319 | R->TermWin.focus = 1; |
1308 | R->TermWin.focus = 1; |
1320 | R->want_refresh = 1; |
1309 | R->want_refresh = 1; |
1321 | #ifdef USE_XIM |
1310 | #ifdef USE_XIM |
1322 | if (R->Input_Context != NULL) |
1311 | if (R->Input_Context != NULL) |
1323 | XSetICFocus(R->Input_Context); |
1312 | XSetICFocus(R->Input_Context); |
1324 | #endif |
1313 | #endif |
|
|
1314 | #ifdef CURSOR_BLINK |
|
|
1315 | if (R->Options & Opt_cursorBlink) |
|
|
1316 | R->blink_ev.start (NOW + BLINK_INTERVAL); |
|
|
1317 | #endif |
1325 | } |
1318 | } |
1326 | break; |
1319 | break; |
1327 | |
1320 | |
1328 | case FocusOut: |
1321 | case FocusOut: |
1329 | if (R->TermWin.focus) { |
1322 | if (R->TermWin.focus) { |
1330 | R->TermWin.focus = 0; |
1323 | R->TermWin.focus = 0; |
1331 | R->want_refresh = 1; |
1324 | R->want_refresh = 1; |
1332 | #ifdef USE_XIM |
1325 | #ifdef USE_XIM |
1333 | if (R->Input_Context != NULL) |
1326 | if (R->Input_Context != NULL) |
1334 | XUnsetICFocus(R->Input_Context); |
1327 | XUnsetICFocus(R->Input_Context); |
|
|
1328 | #endif |
|
|
1329 | #ifdef CURSOR_BLINK |
|
|
1330 | if (R->Options & Opt_cursorBlink) |
|
|
1331 | R->blink_ev.stop (); |
|
|
1332 | R->hidden_cursor = 0; |
1335 | #endif |
1333 | #endif |
1336 | } |
1334 | } |
1337 | break; |
1335 | break; |
1338 | |
1336 | |
1339 | case ConfigureNotify: |
1337 | case ConfigureNotify: |
… | |
… | |
1436 | &unused_xevent)) ; |
1434 | &unused_xevent)) ; |
1437 | while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window, |
1435 | while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window, |
1438 | GraphicsExpose, |
1436 | GraphicsExpose, |
1439 | &unused_xevent)) ; |
1437 | &unused_xevent)) ; |
1440 | if (isScrollbarWindow(ev->xany.window)) { |
1438 | if (isScrollbarWindow(ev->xany.window)) { |
1441 | scrollbar_setIdle(); |
1439 | R->scrollBar.setIdle(); |
1442 | rxvt_scrollbar_show(aR_ 0); |
1440 | rxvt_scrollbar_show(aR_ 0); |
1443 | } |
1441 | } |
1444 | #ifdef MENUBAR |
1442 | #ifdef MENUBAR |
1445 | if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window)) |
1443 | if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window)) |
1446 | rxvt_menubar_expose(aR); |
1444 | rxvt_menubar_expose(aR); |
… | |
… | |
1452 | break; |
1450 | break; |
1453 | |
1451 | |
1454 | case MotionNotify: |
1452 | case MotionNotify: |
1455 | #ifdef POINTER_BLANK |
1453 | #ifdef POINTER_BLANK |
1456 | if (R->hidden_pointer) |
1454 | if (R->hidden_pointer) |
1457 | rxvt_pointer_unblank(aR); |
1455 | R->pointer_unblank (); |
1458 | #endif |
1456 | #endif |
1459 | #if MENUBAR |
1457 | #if MENUBAR |
1460 | if (isMenuBarWindow(ev->xany.window)) { |
1458 | if (isMenuBarWindow(ev->xany.window)) { |
1461 | rxvt_menubar_control(aR_ &(ev->xbutton)); |
1459 | rxvt_menubar_control(aR_ &(ev->xbutton)); |
1462 | break; |
1460 | break; |
… | |
… | |
1559 | */ |
1557 | */ |
1560 | if (ev->window == R->TermWin.vt) |
1558 | if (ev->window == R->TermWin.vt) |
1561 | { |
1559 | { |
1562 | #if RXVT_GRAPHICS |
1560 | #if RXVT_GRAPHICS |
1563 | if (ev->subwindow != None) |
1561 | if (ev->subwindow != None) |
1564 | rxvt_Gr_ButtonPress(ev->x, ev->y); |
1562 | rxvt_Gr_ButtonPress (ev->x, ev->y); |
1565 | else |
1563 | else |
1566 | #endif |
1564 | #endif |
1567 | { |
1565 | { |
1568 | clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME; |
1566 | clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME; |
1569 | if (reportmode) |
1567 | if (reportmode) |
… | |
… | |
1631 | /* |
1629 | /* |
1632 | * Scrollbar window processing of button press |
1630 | * Scrollbar window processing of button press |
1633 | */ |
1631 | */ |
1634 | if (isScrollbarWindow(ev->window)) |
1632 | if (isScrollbarWindow(ev->window)) |
1635 | { |
1633 | { |
1636 | scrollbar_setIdle(); |
1634 | R->scrollBar.setIdle (); |
1637 | /* |
1635 | /* |
1638 | * Rxvt-style scrollbar: |
1636 | * Rxvt-style scrollbar: |
1639 | * move up if mouse is above slider |
1637 | * move up if mouse is above slider |
1640 | * move dn if mouse is below slider |
1638 | * move dn if mouse is below slider |
1641 | * |
1639 | * |
… | |
… | |
1653 | */ |
1651 | */ |
1654 | if ((R->scrollBar.style == R_SB_NEXT |
1652 | if ((R->scrollBar.style == R_SB_NEXT |
1655 | && scrollbarnext_upButton(ev->y)) |
1653 | && scrollbarnext_upButton(ev->y)) |
1656 | || (R->scrollBar.style == R_SB_RXVT |
1654 | || (R->scrollBar.style == R_SB_RXVT |
1657 | && scrollbarrxvt_upButton(ev->y))) |
1655 | && scrollbarrxvt_upButton(ev->y))) |
1658 | rxvt_tt_printf(aR_ "\033[A"); |
1656 | R->tt_printf("\033[A"); |
1659 | else if ((R->scrollBar.style == R_SB_NEXT |
1657 | else if ((R->scrollBar.style == R_SB_NEXT |
1660 | && scrollbarnext_dnButton(ev->y)) |
1658 | && scrollbarnext_dnButton(ev->y)) |
1661 | || (R->scrollBar.style == R_SB_RXVT |
1659 | || (R->scrollBar.style == R_SB_RXVT |
1662 | && scrollbarrxvt_dnButton(ev->y))) |
1660 | && scrollbarrxvt_dnButton(ev->y))) |
1663 | rxvt_tt_printf(aR_ "\033[B"); |
1661 | R->tt_printf("\033[B"); |
1664 | else |
1662 | else |
1665 | switch (ev->button) { |
1663 | switch (ev->button) { |
1666 | case Button2: |
1664 | case Button2: |
1667 | rxvt_tt_printf(aR_ "\014"); |
1665 | R->tt_printf("\014"); |
1668 | break; |
1666 | break; |
1669 | case Button1: |
1667 | case Button1: |
1670 | rxvt_tt_printf(aR_ "\033[6~"); |
1668 | R->tt_printf("\033[6~"); |
1671 | break; |
1669 | break; |
1672 | case Button3: |
1670 | case Button3: |
1673 | rxvt_tt_printf(aR_ "\033[5~"); |
1671 | R->tt_printf("\033[5~"); |
1674 | break; |
1672 | break; |
1675 | } |
1673 | } |
1676 | } |
1674 | } |
1677 | else |
1675 | else |
1678 | #endif /* NO_SCROLLBAR_REPORT */ |
1676 | #endif /* NO_SCROLLBAR_REPORT */ |
… | |
… | |
1694 | #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
1692 | #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
1695 | R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY; |
1693 | R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY; |
1696 | #endif |
1694 | #endif |
1697 | if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) { |
1695 | if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) { |
1698 | if (upordown < 0) |
1696 | if (upordown < 0) |
1699 | scrollbar_setUp(); |
1697 | R->scrollBar.setUp (); |
1700 | else |
1698 | else |
1701 | scrollbar_setDn(); |
1699 | R->scrollBar.setDn (); |
1702 | } |
1700 | } |
1703 | } else |
1701 | } else |
1704 | switch (ev->button) { |
1702 | switch (ev->button) { |
1705 | case Button2: |
1703 | case Button2: |
1706 | switch (R->scrollbar_align) { |
1704 | switch (R->scrollbar_align) { |
… | |
… | |
1718 | || scrollbar_above_slider(ev->y) |
1716 | || scrollbar_above_slider(ev->y) |
1719 | || scrollbar_below_slider(ev->y)) |
1717 | || scrollbar_below_slider(ev->y)) |
1720 | rxvt_scr_move_to(aR_ |
1718 | rxvt_scr_move_to(aR_ |
1721 | scrollbar_position(ev->y) - R->csrO, |
1719 | scrollbar_position(ev->y) - R->csrO, |
1722 | scrollbar_size()); |
1720 | scrollbar_size()); |
1723 | scrollbar_setMotion(); |
1721 | R->scrollBar.setMotion (); |
1724 | break; |
1722 | break; |
1725 | |
1723 | |
1726 | case Button1: |
1724 | case Button1: |
1727 | if (R->scrollbar_align == R_SB_ALIGN_CENTRE) |
1725 | if (R->scrollbar_align == R_SB_ALIGN_CENTRE) |
1728 | R->csrO = ev->y - R->scrollBar.top; |
1726 | R->csrO = ev->y - R->scrollBar.top; |
… | |
… | |
1741 | rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1); |
1739 | rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1); |
1742 | # else |
1740 | # else |
1743 | rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4); |
1741 | rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4); |
1744 | # endif |
1742 | # endif |
1745 | else |
1743 | else |
1746 | scrollbar_setMotion(); |
1744 | R->scrollBar.setMotion (); |
1747 | } else { |
1745 | } else { |
1748 | rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP), |
1746 | rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP), |
1749 | (R->TermWin.nrow |
1747 | (R->TermWin.nrow |
1750 | * scrollbar_position(ev->y) |
1748 | * scrollbar_position(ev->y) |
1751 | / scrollbar_size())); |
1749 | / scrollbar_size())); |
… | |
… | |
1773 | R->csrO = 0; /* reset csr Offset */ |
1771 | R->csrO = 0; /* reset csr Offset */ |
1774 | if (!R->bypass_keystate) |
1772 | if (!R->bypass_keystate) |
1775 | reportmode = !!(R->PrivateModes & PrivMode_mouse_report); |
1773 | reportmode = !!(R->PrivateModes & PrivMode_mouse_report); |
1776 | |
1774 | |
1777 | if (scrollbar_isUpDn()) { |
1775 | if (scrollbar_isUpDn()) { |
1778 | scrollbar_setIdle(); |
1776 | R->scrollBar.setIdle (); |
1779 | rxvt_scrollbar_show(aR_ 0); |
1777 | rxvt_scrollbar_show(aR_ 0); |
1780 | #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
1778 | #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
1781 | R->refresh_type &= ~SMOOTH_REFRESH; |
1779 | R->refresh_type &= ~SMOOTH_REFRESH; |
1782 | #endif |
1780 | #endif |
1783 | } |
1781 | } |
… | |
… | |
1834 | break; |
1832 | break; |
1835 | #ifdef MOUSE_WHEEL |
1833 | #ifdef MOUSE_WHEEL |
1836 | case Button4: |
1834 | case Button4: |
1837 | case Button5: |
1835 | case Button5: |
1838 | { |
1836 | { |
1839 | int i, v; |
1837 | int i; |
|
|
1838 | page_dirn v; |
1840 | |
1839 | |
1841 | v = (ev->button == Button4) ? UP : DN; |
1840 | v = (ev->button == Button4) ? UP : DN; |
1842 | if (ev->state & ShiftMask) |
1841 | if (ev->state & ShiftMask) |
1843 | i = 1; |
1842 | i = 1; |
1844 | else if ((R->Options & Opt_mouseWheelScrollPage)) |
1843 | else if ((R->Options & Opt_mouseWheelScrollPage)) |
… | |
… | |
2019 | n = 0; |
2018 | n = 0; |
2020 | if (pchanged) { |
2019 | if (pchanged) { |
2021 | for (; n < (unsigned int)i; n++) { |
2020 | for (; n < (unsigned int)i; n++) { |
2022 | XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr); |
2021 | XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr); |
2023 | D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL")); |
2022 | D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL")); |
2024 | if (wattr.depth != rootdepth || wattr.class == InputOnly) { |
2023 | if (wattr.depth != rootdepth || wattr.c_class == InputOnly) { |
2025 | n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1; |
2024 | n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1; |
2026 | break; |
2025 | break; |
2027 | } |
2026 | } |
2028 | } |
2027 | } |
2029 | } |
2028 | } |
… | |
… | |
2079 | return stream; |
2078 | return stream; |
2080 | } |
2079 | } |
2081 | |
2080 | |
2082 | /* EXTPROTO */ |
2081 | /* EXTPROTO */ |
2083 | int |
2082 | int |
2084 | rxvt_pclose_printer(FILE *stream) |
2083 | rxvt_pclose_printer (FILE *stream) |
2085 | { |
2084 | { |
2086 | fflush(stream); |
2085 | fflush (stream); |
2087 | /* pclose() reported not to work on SunOS 4.1.3 */ |
2086 | /* pclose() reported not to work on SunOS 4.1.3 */ |
2088 | # if defined (__sun__) /* TODO: RESOLVE THIS */ |
2087 | # if defined (__sun__) /* TODO: RESOLVE THIS */ |
2089 | /* pclose works provided SIGCHLD handler uses waitpid */ |
2088 | /* pclose works provided SIGCHLD handler uses waitpid */ |
2090 | return pclose(stream); /* return fclose (stream); */ |
2089 | return pclose (stream); /* return fclose (stream); */ |
2091 | # else |
2090 | # else |
2092 | return pclose(stream); |
2091 | return pclose (stream); |
2093 | # endif |
2092 | # endif |
2094 | } |
2093 | } |
2095 | |
2094 | |
2096 | /* |
2095 | /* |
2097 | * simulate attached vt100 printer |
2096 | * simulate attached vt100 printer |
… | |
… | |
2160 | rxvt_process_nonprinting(pR_ unsigned char ch) |
2159 | rxvt_process_nonprinting(pR_ unsigned char ch) |
2161 | { |
2160 | { |
2162 | switch (ch) { |
2161 | switch (ch) { |
2163 | case C0_ENQ: /* terminal Status */ |
2162 | case C0_ENQ: /* terminal Status */ |
2164 | if (R->rs[Rs_answerbackstring]) |
2163 | if (R->rs[Rs_answerbackstring]) |
2165 | rxvt_tt_write(aR_ |
2164 | R->tt_write( |
2166 | (const unsigned char *)R->rs[Rs_answerbackstring], |
2165 | (const unsigned char *)R->rs[Rs_answerbackstring], |
2167 | (unsigned int)STRLEN(R->rs[Rs_answerbackstring])); |
2166 | (unsigned int)STRLEN(R->rs[Rs_answerbackstring])); |
2168 | else |
2167 | else |
2169 | rxvt_tt_write(aR_ (unsigned char *)VT100_ANS, |
2168 | R->tt_write((unsigned char *)VT100_ANS, |
2170 | (unsigned int)STRLEN(VT100_ANS)); |
2169 | (unsigned int)STRLEN(VT100_ANS)); |
2171 | break; |
2170 | break; |
2172 | case C0_BEL: /* bell */ |
2171 | case C0_BEL: /* bell */ |
2173 | rxvt_scr_bell(aR); |
2172 | rxvt_scr_bell(aR); |
2174 | break; |
2173 | break; |
… | |
… | |
2237 | row = rxvt_cmd_getc(aR) - ' '; |
2236 | row = rxvt_cmd_getc(aR) - ' '; |
2238 | col = rxvt_cmd_getc(aR) - ' '; |
2237 | col = rxvt_cmd_getc(aR) - ' '; |
2239 | rxvt_scr_gotorc(aR_ row, col, 0); |
2238 | rxvt_scr_gotorc(aR_ row, col, 0); |
2240 | break; |
2239 | break; |
2241 | case 'Z': /* identify the terminal type */ |
2240 | case 'Z': /* identify the terminal type */ |
2242 | rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */ |
2241 | R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */ |
2243 | break; |
2242 | break; |
2244 | case '<': /* turn off VT52 mode */ |
2243 | case '<': /* turn off VT52 mode */ |
2245 | PrivMode(0, PrivMode_vt52); |
2244 | PrivMode(0, PrivMode_vt52); |
2246 | break; |
2245 | break; |
2247 | case 'F': /* use special graphics character set */ |
2246 | case 'F': /* use special graphics character set */ |
… | |
… | |
2354 | rxvt_process_dcs_seq(aR); |
2353 | rxvt_process_dcs_seq(aR); |
2355 | break; |
2354 | break; |
2356 | |
2355 | |
2357 | /* 8.3.110: SINGLE CHARACTER INTRODUCER */ |
2356 | /* 8.3.110: SINGLE CHARACTER INTRODUCER */ |
2358 | case C1_SCI: /* ESC Z */ |
2357 | case C1_SCI: /* ESC Z */ |
2359 | rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER, |
2358 | R->tt_write((const unsigned char *)ESCZ_ANSWER, |
2360 | (unsigned int)(sizeof(ESCZ_ANSWER) - 1)); |
2359 | (unsigned int)(sizeof(ESCZ_ANSWER) - 1)); |
2361 | break; /* steal obsolete ESC [ c */ |
2360 | break; /* steal obsolete ESC [ c */ |
2362 | |
2361 | |
2363 | /* 8.3.16: CONTROL SEQUENCE INTRODUCER */ |
2362 | /* 8.3.16: CONTROL SEQUENCE INTRODUCER */ |
2364 | case C1_CSI: /* ESC [ */ |
2363 | case C1_CSI: /* ESC [ */ |
… | |
… | |
2485 | */ |
2484 | */ |
2486 | if (priv) { |
2485 | if (priv) { |
2487 | switch (priv) { |
2486 | switch (priv) { |
2488 | case '>': |
2487 | case '>': |
2489 | if (ch == CSI_DA) /* secondary device attributes */ |
2488 | if (ch == CSI_DA) /* secondary device attributes */ |
2490 | rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING); |
2489 | R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING); |
2491 | break; |
2490 | break; |
2492 | case '?': |
2491 | case '?': |
2493 | if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't') |
2492 | if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't') |
2494 | rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg); |
2493 | rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg); |
2495 | break; |
2494 | break; |
… | |
… | |
2598 | |
2597 | |
2599 | case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */ |
2598 | case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */ |
2600 | arg[0] = -arg[0]; |
2599 | arg[0] = -arg[0]; |
2601 | /* FALLTHROUGH */ |
2600 | /* FALLTHROUGH */ |
2602 | case CSI_SU: /* 8.3.148: (1) SCROLL UP */ |
2601 | case CSI_SU: /* 8.3.148: (1) SCROLL UP */ |
2603 | rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0); |
2602 | R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, arg[0], 0); |
2604 | break; |
2603 | break; |
2605 | |
2604 | |
2606 | case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */ |
2605 | case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */ |
2607 | rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS, |
2606 | R->tt_write((const unsigned char *)VT100_ANS, |
2608 | (unsigned int)(sizeof(VT100_ANS) - 1)); |
2607 | (unsigned int)(sizeof(VT100_ANS) - 1)); |
2609 | break; |
2608 | break; |
2610 | |
2609 | |
2611 | case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */ |
2610 | case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */ |
2612 | rxvt_process_sgr_mode(aR_ nargs, arg); |
2611 | rxvt_process_sgr_mode(aR_ nargs, arg); |
2613 | break; |
2612 | break; |
2614 | |
2613 | |
2615 | case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */ |
2614 | case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */ |
2616 | switch (arg[0]) { |
2615 | switch (arg[0]) { |
2617 | case 5: /* DSR requested */ |
2616 | case 5: /* DSR requested */ |
2618 | rxvt_tt_printf(aR_ "\033[0n"); |
2617 | R->tt_printf("\033[0n"); |
2619 | break; |
2618 | break; |
2620 | case 6: /* CPR requested */ |
2619 | case 6: /* CPR requested */ |
2621 | rxvt_scr_report_position(aR); |
2620 | rxvt_scr_report_position(aR); |
2622 | break; |
2621 | break; |
2623 | #if defined (ENABLE_DISPLAY_ANSWER) |
2622 | #if defined (ENABLE_DISPLAY_ANSWER) |
2624 | case 7: /* unofficial extension */ |
2623 | case 7: /* unofficial extension */ |
2625 | rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]); |
2624 | R->tt_printf("%-.250s\n", R->rs[Rs_display_name]); |
2626 | break; |
2625 | break; |
2627 | #endif |
2626 | #endif |
2628 | case 8: /* unofficial extension */ |
2627 | case 8: /* unofficial extension */ |
2629 | rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST); |
2628 | rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST); |
2630 | break; |
2629 | break; |
… | |
… | |
2699 | break; |
2698 | break; |
2700 | #endif |
2699 | #endif |
2701 | |
2700 | |
2702 | case CSI_78: /* DECREQTPARM */ |
2701 | case CSI_78: /* DECREQTPARM */ |
2703 | if (arg[0] == 0 || arg[0] == 1) |
2702 | if (arg[0] == 0 || arg[0] == 1) |
2704 | rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2); |
2703 | R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2); |
2705 | /* FALLTHROUGH */ |
2704 | /* FALLTHROUGH */ |
2706 | |
2705 | |
2707 | default: |
2706 | default: |
2708 | break; |
2707 | break; |
2709 | } |
2708 | } |
… | |
… | |
2763 | /* |
2762 | /* |
2764 | * reports - some output format copied from XTerm |
2763 | * reports - some output format copied from XTerm |
2765 | */ |
2764 | */ |
2766 | case 11: /* report window state */ |
2765 | case 11: /* report window state */ |
2767 | XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); |
2766 | XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); |
2768 | rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2); |
2767 | R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2); |
2769 | break; |
2768 | break; |
2770 | case 13: /* report window position */ |
2769 | case 13: /* report window position */ |
2771 | XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); |
2770 | XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); |
2772 | XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root, |
2771 | XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root, |
2773 | -wattr.border_width, -wattr.border_width, |
2772 | -wattr.border_width, -wattr.border_width, |
2774 | &x, &y, &wdummy); |
2773 | &x, &y, &wdummy); |
2775 | rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y); |
2774 | R->tt_printf("\033[3;%d;%dt", x, y); |
2776 | break; |
2775 | break; |
2777 | case 14: /* report window size (pixels) */ |
2776 | case 14: /* report window size (pixels) */ |
2778 | XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); |
2777 | XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr); |
2779 | rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width); |
2778 | R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width); |
2780 | break; |
2779 | break; |
2781 | case 18: /* report window size (chars) */ |
2780 | case 18: /* report window size (chars) */ |
2782 | rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol); |
2781 | R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol); |
2783 | break; |
2782 | break; |
2784 | #if 0 /* XXX: currently disabled due to security concerns */ |
2783 | #if 0 /* XXX: currently disabled due to security concerns */ |
2785 | case 20: /* report icon label */ |
2784 | case 20: /* report icon label */ |
2786 | XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s); |
2785 | XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s); |
2787 | rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */ |
2786 | R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */ |
2788 | break; |
2787 | break; |
2789 | case 21: /* report window title */ |
2788 | case 21: /* report window title */ |
2790 | XFetchName(R->Xdisplay, R->TermWin.parent[0], &s); |
2789 | XFetchName(R->Xdisplay, R->TermWin.parent[0], &s); |
2791 | rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */ |
2790 | R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */ |
2792 | break; |
2791 | break; |
2793 | #endif |
2792 | #endif |
2794 | } |
2793 | } |
2795 | } |
2794 | } |
2796 | #endif |
2795 | #endif |
… | |
… | |
3339 | { |
3338 | { |
3340 | unsigned char ch, cmd = rxvt_cmd_getc(aR); |
3339 | unsigned char ch, cmd = rxvt_cmd_getc(aR); |
3341 | |
3340 | |
3342 | #ifndef RXVT_GRAPHICS |
3341 | #ifndef RXVT_GRAPHICS |
3343 | if (cmd == 'Q') { /* query graphics */ |
3342 | if (cmd == 'Q') { /* query graphics */ |
3344 | rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */ |
3343 | R->tt_printf("\033G0\n"); /* no graphics */ |
3345 | return; |
3344 | return; |
3346 | } |
3345 | } |
3347 | /* swallow other graphics sequences until terminating ':' */ |
3346 | /* swallow other graphics sequences until terminating ':' */ |
3348 | do |
3347 | do |
3349 | ch = rxvt_cmd_getc(aR); |
3348 | ch = rxvt_cmd_getc(aR); |
… | |
… | |
3352 | unsigned int nargs; |
3351 | unsigned int nargs; |
3353 | int args[NGRX_PTS]; |
3352 | int args[NGRX_PTS]; |
3354 | unsigned char *text = NULL; |
3353 | unsigned char *text = NULL; |
3355 | |
3354 | |
3356 | if (cmd == 'Q') { /* query graphics */ |
3355 | if (cmd == 'Q') { /* query graphics */ |
3357 | rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */ |
3356 | R->tt_printf("\033G1\n"); /* yes, graphics (color) */ |
3358 | return; |
3357 | return; |
3359 | } |
3358 | } |
3360 | for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) { |
3359 | for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) { |
3361 | int neg; |
3360 | int neg; |
3362 | |
3361 | |
… | |
… | |
3377 | } |
3376 | } |
3378 | |
3377 | |
3379 | if ((cmd == 'T') && (nargs >= 5)) { |
3378 | if ((cmd == 'T') && (nargs >= 5)) { |
3380 | int i, len = args[4]; |
3379 | int i, len = args[4]; |
3381 | |
3380 | |
3382 | text = rxvt_malloc((len + 1) * sizeof(char)); |
3381 | text = (unsigned char *)rxvt_malloc((len + 1) * sizeof(char)); |
3383 | |
3382 | |
3384 | if (text != NULL) { |
3383 | if (text != NULL) { |
3385 | for (i = 0; i < len; i++) |
3384 | for (i = 0; i < len; i++) |
3386 | text[i] = rxvt_cmd_getc(aR); |
3385 | text[i] = rxvt_cmd_getc(aR); |
3387 | text[len] = '\0'; |
3386 | text[len] = '\0'; |
… | |
… | |
3392 | } |
3391 | } |
3393 | /*}}} */ |
3392 | /*}}} */ |
3394 | |
3393 | |
3395 | /* ------------------------------------------------------------------------- */ |
3394 | /* ------------------------------------------------------------------------- */ |
3396 | |
3395 | |
3397 | /*{{{ Read and process output from the application */ |
|
|
3398 | /* LIBPROTO */ |
|
|
3399 | void |
|
|
3400 | rxvt_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 | /* |
3396 | /* |
3499 | * Send printf() formatted output to the command. |
3397 | * Send printf() formatted output to the command. |
3500 | * Only use for small amounts of data. |
3398 | * Only use for small amounts of data. |
3501 | */ |
3399 | */ |
3502 | /* EXTPROTO */ |
|
|
3503 | void |
3400 | void |
3504 | rxvt_tt_printf(pR_ const char *fmt,...) |
3401 | rxvt_term::tt_printf (const char *fmt,...) |
3505 | { |
3402 | { |
3506 | va_list arg_ptr; |
3403 | va_list arg_ptr; |
3507 | unsigned char buf[256]; |
3404 | unsigned char buf[256]; |
3508 | |
3405 | |
3509 | va_start(arg_ptr, fmt); |
3406 | va_start (arg_ptr, fmt); |
3510 | vsprintf((char *)buf, fmt, arg_ptr); |
3407 | vsnprintf ((char *)buf, 256, fmt, arg_ptr); |
3511 | va_end(arg_ptr); |
3408 | va_end (arg_ptr); |
3512 | rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf)); |
3409 | tt_write (buf, STRLEN (buf)); |
3513 | } |
3410 | } |
3514 | |
3411 | |
3515 | /* ---------------------------------------------------------------------- */ |
3412 | /* ---------------------------------------------------------------------- */ |
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, |
3413 | /* 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. |
3414 | * or generated by us in response to a query ESC sequence. |
3521 | */ |
3415 | */ |
3522 | /* EXTPROTO */ |
|
|
3523 | void |
3416 | void |
3524 | rxvt_tt_write(pR_ const unsigned char *d, unsigned int len) |
3417 | rxvt_term::tt_write (const unsigned char *data, unsigned int len) |
3525 | { |
3418 | { |
3526 | #define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */ |
3419 | 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 | |
3420 | |
3534 | if (R->v_bufstr == NULL && len > 0) { |
3421 | 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 | } |
3422 | { |
|
|
3423 | if (v_buflen == 0) |
|
|
3424 | { |
|
|
3425 | int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len)); |
|
|
3426 | if (written == len) |
|
|
3427 | return; |
3544 | |
3428 | |
3545 | /* |
3429 | data += written; |
3546 | * Append to the block we already have. Always doing this simplifies the |
3430 | len -= written; |
3547 | * code, and isn't too bad, either. If this is a short block, it isn't |
3431 | } |
3548 | * too expensive, and if this is a long block, we won't be able to write |
3432 | |
3549 | * it all anyway. |
3433 | |
3550 | */ |
3434 | v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len); |
3551 | if (len > 0) { |
3435 | |
3552 | if (v_bufend < v_bufptr + len) { /* run out of room */ |
3436 | memcpy (v_buffer + v_buflen, data, len); |
3553 | if (v_bufstr != v_buffer) { |
3437 | 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 | } |
3438 | } |
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 | |
3439 | |
3566 | reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE; |
3440 | for (;;) |
3567 | v_buffer = (unsigned char *)realloc(v_buffer, reallocto); |
3441 | { |
3568 | /* save across realloc */ |
3442 | int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen)); |
3569 | if (v_buffer) { |
3443 | |
3570 | v_bufstr = v_buffer; |
3444 | if (written > 0) |
3571 | v_bufptr = v_buffer + size; |
3445 | { |
3572 | v_bufend = v_buffer + reallocto; |
3446 | v_buflen -= written; |
3573 | } else { /* no memory: ignore entire write request */ |
3447 | |
3574 | rxvt_print_error("data loss: cannot allocate buffer space"); |
3448 | if (v_buflen == 0) |
3575 | v_buffer = v_bufstr; /* restore clobbered pointer */ |
3449 | { |
3576 | } |
3450 | free (v_buffer); |
|
|
3451 | v_buffer = 0; |
|
|
3452 | v_buflen = 0; |
|
|
3453 | |
|
|
3454 | pty_ev.set (EVENT_READ); |
|
|
3455 | return; |
|
|
3456 | } |
|
|
3457 | |
|
|
3458 | memmove (v_buffer, v_buffer + written, v_buflen); |
|
|
3459 | } |
|
|
3460 | else if (written != -1 || (errno != EAGAIN && errno != EINTR)) |
|
|
3461 | // original code just ignores this... |
|
|
3462 | destroy (); |
|
|
3463 | else |
|
|
3464 | { |
|
|
3465 | pty_ev.set (EVENT_READ | EVENT_WRITE); |
|
|
3466 | return; |
|
|
3467 | } |
3577 | } |
3468 | } |
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 | } |
3469 | } |
|
|
3470 | |
3631 | /*----------------------- end-of-file (C source) -----------------------*/ |
3471 | /*----------------------- end-of-file (C source) -----------------------*/ |
3632 | |
3472 | |