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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.103 by root, Fri Sep 4 15:40:13 2009 UTC vs.
Revision 1.123 by sf-exg, Thu Mar 24 23:55:31 2011 UTC

1/*----------------------------------------------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvttoolkit.C 2 * File: rxvttoolkit.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2011 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
… …
33 34
34#if XFT 35#if XFT
35# include <X11/extensions/Xrender.h> 36# include <X11/extensions/Xrender.h>
36#endif 37#endif
37 38
38const char *const xa_names[] = 39static const char *const xa_names[] =
39{ 40{
40 "TEXT", 41 "TEXT",
41 "COMPOUND_TEXT", 42 "COMPOUND_TEXT",
42 "UTF8_STRING", 43 "UTF8_STRING",
43 "MULTIPLE", 44 "MULTIPLE",
… …
227{ 228{
228} 229}
229 230
230rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h) 231rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
231{ 232{
232 // it's actually faster to re-allocate every time. don't ask me
233 // why, but its likely no big deal there are no roundtrips
234 // (I think/hope).
235 if (!scratch_area || w > scratch_w || h > scratch_h || 1/*D*/) 233 if (!scratch_area || w > scratch_w || h > scratch_h)
236 { 234 {
237 if (scratch_area) 235 if (scratch_area)
238 { 236 {
239 XFreePixmap (dpy, scratch_area->drawable); 237 XFreePixmap (dpy, scratch_area->drawable);
240 delete scratch_area; 238 delete scratch_area;
… …
297///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
298 296
299rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
300: refcounted (id) 298: refcounted (id)
301, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
302{ 301{
303 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this); 302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
304 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this); 303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
305} 304}
306 305
… …
313 /* 312 /*
314 * get resources using the X library function 313 * get resources using the X library function
315 */ 314 */
316 char *displayResource, *xe; 315 char *displayResource, *xe;
317 XrmDatabase rdb1, database = 0; 316 XrmDatabase rdb1, database = 0;
317
318#if !XLIB_ILLEGAL_ACCESS
319 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
320 database = XrmGetStringDatabase ("");
321#endif
318 322
319 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 323 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
320 // as opposed to "standard practise", we always read in ~/.Xdefaults 324 // as opposed to "standard practise", we always read in ~/.Xdefaults
321 325
322 // 6. System wide per application default file. 326 // 6. System wide per application default file.
… …
361 XA_STRING, &actual_type, &actual_format, 365 XA_STRING, &actual_type, &actual_format,
362 &nitems, &nremaining, 366 &nitems, &nremaining,
363 (unsigned char **)&val) == Success 367 (unsigned char **)&val) == Success
364 && actual_type == XA_STRING 368 && actual_type == XA_STRING
365 && actual_format == 8) 369 && actual_format == 8)
366 displayResource = val; 370 displayResource = val;
367 else 371 else
368 { 372 {
369 displayResource = 0; 373 displayResource = 0;
370 374
371 if (val) 375 if (val)
372 XFree(val); 376 XFree (val);
373 } 377 }
374 378
375#if XLIB_ILLEGAL_ACCESS 379#if XLIB_ILLEGAL_ACCESS
376 dpy->xdefaults = displayResource; 380 dpy->xdefaults = displayResource;
377#endif 381#endif
378 } 382 }
… …
426bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
427{ 431{
428#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
429 if (id[0] == ':') 433 if (id[0] == ':')
430 { 434 {
431 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
432 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
433 strcat (val, id); 438 strcat (val, id);
434 dpy = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
435 free (val);
436 } 440 }
437 else 441 else
438#endif 442#endif
439 dpy = 0; 443 dpy = 0;
440 444
… …
445 return false; 449 return false;
446 450
447 screen = DefaultScreen (dpy); 451 screen = DefaultScreen (dpy);
448 root = DefaultRootWindow (dpy); 452 root = DefaultRootWindow (dpy);
449 453
450 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
451 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
452 456
453 XrmSetDatabase (dpy, get_resources (false)); 457 XrmSetDatabase (dpy, get_resources (false));
454 458
455#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
… …
463 XUnloadFont (dpy, f); 467 XUnloadFont (dpy, f);
464#endif 468#endif
465 469
466 int fd = XConnectionNumber (dpy); 470 int fd = XConnectionNumber (dpy);
467 471
468 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
469 // assume unix domain socket == local, everything else not 473 // assume unix domain socket == local, everything else not
470 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
471 is_local = 0; 475 is_local = 0;
472 sockaddr_un sa; 476 sockaddr_un sa;
473 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
… …
487} 491}
488 492
489void 493void
490rxvt_display::ref_next () 494rxvt_display::ref_next ()
491{ 495{
492 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
493 // before affording re-loading/parsing 497 // before affording re-loading/parsing
494 XrmDestroyDatabase (XrmGetDatabase (dpy)); 498 XrmDestroyDatabase (XrmGetDatabase (dpy));
499#if XLIB_ILLEGAL_ACCESS
500 /* work around a bug in XrmSetDatabase where it frees the db */
501 dpy->db = 0;
502#endif
495 XrmSetDatabase (dpy, get_resources (true)); 503 XrmSetDatabase (dpy, get_resources (true));
496} 504}
497 505
498rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
499{ 507{
… …
506 x_ev.stop (); 514 x_ev.stop ();
507 flush_ev.stop (); 515 flush_ev.stop ();
508#ifdef USE_XIM 516#ifdef USE_XIM
509 xims.clear (); 517 xims.clear ();
510#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
511 XCloseDisplay (dpy); 520 XCloseDisplay (dpy);
512} 521}
513 522
514#ifdef USE_XIM 523#ifdef USE_XIM
515void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
… …
527 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
528 537
529 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
530 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
531 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
532 != Success ) 541 != Success)
533 return; 542 return;
534 543
535 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
536 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
537 if (XGetSelectionOwner (dpy, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
538 { 547 {
539 im_change_cb (); 548 im_change_cb ();
540 break; 549 break;
… …
600 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
601 w->active = 0; 610 w->active = 0;
602 } 611 }
603} 612}
604 613
605void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
606{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
607 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
608 { 619 {
609 rxvt_term *owner = selection_owner; 620 rxvt_term *term = cur_owner;
610
611 owner->selection_clear (); 621 term->selection_clear (clipboard);
612 owner->flush (); 622 term->flush ();
613 } 623 }
614 624
615 selection_owner = owner; 625 cur_owner = owner;
616} 626}
617 627
618#ifdef USE_XIM 628#ifdef USE_XIM
619 629
620void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
… …
633 int l, m; 643 int l, m;
634 644
635 l = strlen (locale); 645 l = strlen (locale);
636 m = strlen (modifiers); 646 m = strlen (modifiers);
637 647
638 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
639 return 0; 649 return 0;
640 650
641 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
642 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
643 653
644 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
645
646 free (id);
647 655
648 return xim; 656 return xim;
649} 657}
650 658
651void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
… …
884 lerp (c.a, to.a, percent) 892 lerp (c.a, to.a, percent)
885 ) 893 )
886 ); 894 );
887} 895}
888 896
889#if TRACE_PIXMAPS 897rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
890# undef XCreatePixmap 898: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
891# undef XFreePixmap
892Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
893{ 899{
894 Pixmap res = XCreatePixmap (dpy, r, w, h, d); 900 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
895 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res); 901
902 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
903 timer_ev.repeat = 10.;
904 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
905
906 incr_buf = 0;
907 incr_buf_size = incr_buf_fill = 0;
908 selection_wait = Sel_normal;
909 selection_type = selnum;
910}
911
912void
913rxvt_selection::stop ()
914{
915 free (incr_buf);
916 incr_buf = 0;
917 timer_ev.stop ();
918 x_ev.stop (display);
919}
920
921rxvt_selection::~rxvt_selection ()
922{
923 stop ();
924}
925
926void
927rxvt_selection::run ()
928{
929 int selnum = selection_type;
930
931#if ENABLE_FRILLS
932 if (selnum == Sel_Primary && display->selection_owner)
933 {
934 /* internal selection */
935 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
936 finish (str, strlen (str));
937 free (str);
938 return;
939 }
940#endif
941
942#if X_HAVE_UTF8_STRING
943 selection_type = Sel_UTF8String;
944 if (request (display->xa[XA_UTF8_STRING], selnum))
945 return;
946#else
947 selection_type = Sel_CompoundText;
948 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
949 return;
950#endif
951
952 // fallback to CUT_BUFFER0 if the requested property has no owner
953 handle_selection (display->root, XA_CUT_BUFFER0, false);
954}
955
956void
957rxvt_selection::finish (char *data, unsigned int len)
958{
959 if (term)
960 {
961 if (data)
962 term->paste (data, len);
963
964 term->selection_req = 0;
965 delete this;
966 }
967#if ENABLE_PERL
968 else
969 {
970 stop (); // we do not really trust perl callbacks
971 rxvt_perl.selection_finish (this, data, len);
972 }
973#endif
974}
975
976bool
977rxvt_selection::request (Atom target, int selnum)
978{
979 Atom sel;
980
981 selection_type |= selnum;
982
983 if (selnum == Sel_Primary)
984 sel = XA_PRIMARY;
985 else if (selnum == Sel_Secondary)
986 sel = XA_SECONDARY;
987 else
988 sel = display->xa[XA_CLIPBOARD];
989
990 if (XGetSelectionOwner (display->dpy, sel) != None)
991 {
992 XConvertSelection (display->dpy, sel, target, request_prop,
993 request_win, request_time);
994 x_ev.start (display, request_win);
995 timer_ev.again ();
996 return true;
997 }
998
896 return res; 999 return false;
897} 1000}
898 1001
899void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p) 1002void
1003rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
900{ 1004{
901 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p); 1005 Display *dpy = display->dpy;
902 XFreePixmap (dpy,p); 1006 char *data = 0;
903} 1007 unsigned int data_len = 0;
1008 unsigned long bytes_after;
1009 XTextProperty ct;
1010
1011 // check for failed XConvertSelection
1012 if (prop == None)
1013 {
1014 bool error = true;
1015 int selnum = selection_type & Sel_whereMask;
1016
1017 if (selection_type & Sel_CompoundText)
1018 {
1019 selection_type = 0;
1020 error = !request (XA_STRING, selnum);
1021 }
1022
1023 if (selection_type & Sel_UTF8String)
1024 {
1025 selection_type = Sel_CompoundText;
1026 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1027 }
1028
1029 if (error)
1030 {
1031 ct.value = 0;
1032 goto bailout;
1033 }
1034
1035 return;
1036 }
1037
1038 // length == (2^31 - 1) / 4, as gdk
1039 if (XGetWindowProperty (dpy, win, prop,
1040 0, 0x1fffffff,
1041 delete_prop, AnyPropertyType,
1042 &ct.encoding, &ct.format,
1043 &ct.nitems, &bytes_after,
1044 &ct.value) != Success)
1045 {
1046 ct.value = 0;
1047 goto bailout;
1048 }
1049
1050 if (ct.encoding == None)
1051 goto bailout;
1052
1053 if (ct.value == 0)
1054 goto bailout;
1055
1056 if (ct.encoding == display->xa[XA_INCR])
1057 {
1058 // INCR selection, start handshake
1059 if (!delete_prop)
1060 XDeleteProperty (dpy, win, prop);
1061
1062 selection_wait = Sel_incr;
1063 timer_ev.again ();
1064
1065 goto bailout;
1066 }
1067
1068 if (ct.nitems == 0)
1069 {
1070 if (selection_wait == Sel_incr)
1071 {
1072 XFree (ct.value);
1073
1074 // finally complete, now paste the whole thing
1075 selection_wait = Sel_normal;
1076 ct.value = (unsigned char *)incr_buf;
1077 ct.nitems = incr_buf_fill;
1078 incr_buf = 0;
1079 timer_ev.stop ();
1080 }
1081 else
1082 {
1083 // avoid recursion
1084 if (win != display->root || prop != XA_CUT_BUFFER0)
1085 {
1086 XFree (ct.value);
1087
1088 // fallback to CUT_BUFFER0 if the requested property
1089 // has an owner but is empty
1090 handle_selection (display->root, XA_CUT_BUFFER0, False);
1091 return;
1092 }
1093
1094 goto bailout;
1095 }
1096 }
1097 else if (selection_wait == Sel_incr)
1098 {
1099 timer_ev.again ();
1100
1101 while (incr_buf_fill + ct.nitems > incr_buf_size)
1102 {
1103 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1104 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1105 }
1106
1107 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1108 incr_buf_fill += ct.nitems;
1109
1110 goto bailout;
1111 }
1112
1113 char **cl;
1114 int cr;
1115
1116 // we honour the first item only
1117
1118#if !ENABLE_MINIMAL
1119 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1120 // so recode it manually
1121 if (ct.encoding == display->xa[XA_UTF8_STRING])
1122 {
1123 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1124 data = rxvt_wcstombs (w);
1125 free (w);
1126 }
1127 else
904#endif 1128#endif
1129 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1130 && cl)
1131 {
1132 data = strdup (cl[0]);
1133 XFreeStringList (cl);
1134 }
1135 else
1136 {
1137 // paste raw
1138 data = strdup ((const char *)ct.value);
1139 }
1140
1141 data_len = strlen (data);
1142
1143bailout:
1144 XFree (ct.value);
1145
1146 if (selection_wait == Sel_normal)
1147 {
1148 finish (data, data_len);
1149 free (data);
1150 }
1151}
1152
1153void
1154rxvt_selection::timer_cb (ev::timer &w, int revents)
1155{
1156 if (selection_wait == Sel_incr)
1157 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1158
1159 finish ();
1160}
1161
1162void
1163rxvt_selection::x_cb (XEvent &xev)
1164{
1165 switch (xev.type)
1166 {
1167 case PropertyNotify:
1168 if (selection_wait == Sel_incr
1169 && xev.xproperty.atom == request_prop
1170 && xev.xproperty.state == PropertyNewValue)
1171 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1172 break;
1173
1174 case SelectionNotify:
1175 if (selection_wait == Sel_normal
1176 && xev.xselection.time == request_time
1177 && xev.xselection.property == request_prop)
1178 {
1179 timer_ev.stop ();
1180 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1181 }
1182 break;
1183 }
1184}

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