ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/command.C
(Generate patch)

Comparing rxvt-unicode/src/command.C (file contents):
Revision 1.475 by sf-exg, Tue Feb 1 00:41:01 2011 UTC vs.
Revision 1.481 by root, Thu Mar 24 17:34:28 2011 UTC

… …
25 * - extensive modifications 25 * - extensive modifications
26 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org> 26 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
27 * Copyright (c) 2001 Marius Gedminas 27 * Copyright (c) 2001 Marius Gedminas
28 * - Ctrl/Mod4+Tab works like Meta+Tab (options) 28 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
29 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org> 29 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
30 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com> 30 * Copyright (c) 2003-2011 Marc Lehmann <schmorp@schmorp.de>
31 * Copyright (c) 2007 Emanuele Giaquinta <e.giaquinta@glauco.it> 31 * Copyright (c) 2007 Emanuele Giaquinta <e.giaquinta@glauco.it>
32 * 32 *
33 * This program is free software; you can redistribute it and/or modify 33 * This program is free software; you can redistribute it and/or modify
34 * it under the terms of the GNU General Public License as published by 34 * it under the terms of the GNU General Public License as published by
35 * the Free Software Foundation; either version 2 of the License, or 35 * the Free Software Foundation; either version 2 of the License, or
… …
936 else if (keysym == XK_Control_L || keysym == XK_Control_R) 936 else if (keysym == XK_Control_L || keysym == XK_Control_R)
937 mouse_slip_wheel_speed = 0; 937 mouse_slip_wheel_speed = 0;
938#endif 938#endif
939} 939}
940 940
941#if defined (KEYSYM_RESOURCE)
942unsigned int
943rxvt_term::cmd_write (const char *str, unsigned int count)
944{
945 unsigned int n, s;
946
947 n = cmdbuf_ptr - cmdbuf_base;
948 s = cmdbuf_base + CBUFSIZ - 1 - cmdbuf_endp;
949
950 if (n > 0 && s < count)
951 {
952 memmove (cmdbuf_base, cmdbuf_ptr,
953 (unsigned int) (cmdbuf_endp - cmdbuf_ptr));
954 cmdbuf_ptr = cmdbuf_base;
955 cmdbuf_endp -= n;
956 s += n;
957 }
958
959 if (count > s)
960 {
961 rxvt_warn ("data loss: cmd_write too large, continuing.\n");
962 count = s;
963 }
964
965 for (; count--;)
966 *cmdbuf_endp++ = *str++;
967
968 cmd_parse ();
969
970 return 0;
971}
972#endif
973
974void 941void
975rxvt_term::flush () 942rxvt_term::flush ()
976{ 943{
977 flush_ev.stop (); 944 flush_ev.stop ();
978 945
… …
1152 { 1119 {
1153 } 1120 }
1154} event_handler; 1121} event_handler;
1155#endif 1122#endif
1156 1123
1124/* make sure all the cmd data is at beginning of cmdbuf */
1125void
1126rxvt_term::cmdbuf_reify ()
1127{
1128 if (cmdbuf_ptr == cmdbuf_base)
1129 return;
1130
1131 ssize_t used = cmdbuf_endp - cmdbuf_ptr;
1132
1133 memmove (cmdbuf_base, cmdbuf_ptr, used);
1134 cmdbuf_ptr = cmdbuf_base;
1135 cmdbuf_endp = cmdbuf_ptr + used;
1136
1137}
1138
1139#if defined (KEYSYM_RESOURCE)
1140void
1141rxvt_term::cmdbuf_append (const char *str, size_t count)
1142{
1143 cmdbuf_reify ();
1144
1145 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1146
1147 if (count > avail)
1148 return;
1149
1150 memcpy (cmdbuf_endp, str, count);
1151 cmdbuf_endp += count;
1152
1153 cmd_parse ();
1154}
1155#endif
1156
1157bool 1157bool
1158rxvt_term::pty_fill () 1158rxvt_term::pty_fill ()
1159{ 1159{
1160 ssize_t n = cmdbuf_endp - cmdbuf_ptr; 1160 cmdbuf_reify ();
1161 1161
1162 if (CBUFSIZ == n) 1162 size_t avail = cmdbuf_base + CBUFSIZ - cmdbuf_endp;
1163 { 1163
1164 rxvt_warn ("PLEASE REPORT: pty_fill on full buffer, draining input, continuing.\n"); 1164 if (!avail)
1165 n = 0;
1166 } 1165 {
1167 1166 // normally this indicates a "too long" command sequence - just drop the data we have
1168 memmove (cmdbuf_base, cmdbuf_ptr, n);
1169 cmdbuf_ptr = cmdbuf_base; 1167 cmdbuf_ptr = cmdbuf_base;
1170 cmdbuf_endp = cmdbuf_ptr + n; 1168 cmdbuf_endp = cmdbuf_ptr;
1169 avail = CBUFSIZ;
1170 }
1171 1171
1172 ssize_t r = read (pty->pty, cmdbuf_endp, CBUFSIZ - n); 1172 ssize_t r = read (pty->pty, cmdbuf_endp, avail);
1173 1173
1174 if (r > 0) 1174 if (r > 0)
1175 { 1175 {
1176 cmdbuf_endp += r; 1176 cmdbuf_endp += r;
1177 return true; 1177 return true;
… …
1492 HOOK_INVOKE ((this, HOOK_CONFIGURE_NOTIFY, DT_XEVENT, &ev, DT_END)); 1492 HOOK_INVOKE ((this, HOOK_CONFIGURE_NOTIFY, DT_XEVENT, &ev, DT_END));
1493 } 1493 }
1494 break; 1494 break;
1495 1495
1496 case PropertyNotify: 1496 case PropertyNotify:
1497 if (!HOOK_INVOKE ((this, HOOK_PROPERTY_NOTIFY, DT_XEVENT, &ev, DT_END))) 1497 HOOK_INVOKE ((this, HOOK_PROPERTY_NOTIFY, DT_XEVENT, &ev, DT_END));
1498 if (ev.xproperty.atom == xa[XA_VT_SELECTION]
1499 && ev.xproperty.state == PropertyNewValue)
1500 selection_property (ev.xproperty.window, ev.xproperty.atom);
1501
1502 break; 1498 break;
1503 1499
1504 case SelectionClear: 1500 case SelectionClear:
1505 selection_clear (ev.xselectionclear.selection == xa[XA_CLIPBOARD]); 1501 selection_clear (ev.xselectionclear.selection == xa[XA_CLIPBOARD]);
1506 break;
1507
1508 case SelectionNotify:
1509 if (selection_wait == Sel_normal)
1510 selection_paste (ev.xselection.requestor, ev.xselection.property, true);
1511 break; 1502 break;
1512 1503
1513 case SelectionRequest: 1504 case SelectionRequest:
1514 selection_send (ev.xselectionrequest); 1505 selection_send (ev.xselectionrequest);
1515 break; 1506 break;
… …
2700 } 2691 }
2701 break; 2692 break;
2702 2693
2703 /* kidnapped escape sequence: Should be 8.3.48 */ 2694 /* kidnapped escape sequence: Should be 8.3.48 */
2704 case C1_ESA: /* ESC G */ 2695 case C1_ESA: /* ESC G */
2705 process_graphics (); 2696 // used by original rxvt for rob nations own graphics mode
2697 if (cmd_getc () == 'Q')
2698 tt_printf ("\033G0\012"); /* query graphics - no graphics */
2706 break; 2699 break;
2707 2700
2708 /* 8.3.63: CHARACTER TABULATION SET */ 2701 /* 8.3.63: CHARACTER TABULATION SET */
2709 case C1_HTS: /* ESC H */ 2702 case C1_HTS: /* ESC H */
2710 scr_set_tab (1); 2703 scr_set_tab (1);
… …
3981 } 3974 }
3982 } 3975 }
3983} 3976}
3984/*}}} */ 3977/*}}} */
3985 3978
3986/*{{{ (do not) process Rob Nation's own graphics mode sequences */
3987void
3988rxvt_term::process_graphics ()
3989{
3990 unicode_t ch, cmd = cmd_getc ();
3991
3992 if (cmd == 'Q')
3993 {
3994 /* query graphics */
3995 tt_printf ("\033G0\012"); /* no graphics */
3996 return;
3997 }
3998 /* swallow other graphics sequences until terminating ':' */
3999 do
4000 ch = cmd_getc ();
4001 while (ch != ':');
4002}
4003/*}}} */
4004
4005/* ------------------------------------------------------------------------- */ 3979/* ------------------------------------------------------------------------- */
4006 3980
4007/* 3981/*
4008 * Send printf () formatted output to the command. 3982 * Send printf () formatted output to the command.
4009 * Only use for small amounts of data. 3983 * Only use for small amounts of data.
… …
4037 4011
4038 if (v_buflen == 0) 4012 if (v_buflen == 0)
4039 { 4013 {
4040 ssize_t written = write (pty->pty, data, min (len, MAX_PTY_WRITE)); 4014 ssize_t written = write (pty->pty, data, min (len, MAX_PTY_WRITE));
4041 4015
4016 max_it (written, 0);
4017
4042 if ((unsigned int)written == len) 4018 if (written == len)
4043 return; 4019 return;
4044 4020
4045 data += written; 4021 data += written;
4046 len -= written; 4022 len -= written;
4047 } 4023 }

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines