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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 1.129 by sf-exg, Mon Jan 2 19:30:50 2012 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 (ecb_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)
… …
678 686
679bool 687bool
680rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
681{ 689{
682 //TODO: only supports 24 bit 690 //TODO: only supports 24 bit
683 int alpha = color.a >= 0xff00 ? 0xffff : color.a; 691 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
684 692
685#if XFT 693#if XFT
686 XRenderPictFormat *format; 694 XRenderPictFormat *format;
687 695
688 // FUCKING Xft gets it wrong, of course, so work around it. 696 // FUCKING Xft gets it wrong, of course, so work around it.
… …
695 c.color.red = color.r; 703 c.color.red = color.r;
696 c.color.green = color.g; 704 c.color.green = color.g;
697 c.color.blue = color.b; 705 c.color.blue = color.b;
698 c.color.alpha = alpha; 706 c.color.alpha = alpha;
699 707
708 // Xft wants premultiplied alpha, but abuses the alpha channel
709 // as blend factor, and doesn't allow us to set the alpha channel
710 c.color.red = c.color.red * alpha / 0xffff;
711 c.color.green = c.color.green * alpha / 0xffff;
712 c.color.blue = c.color.blue * alpha / 0xffff;
713
700 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) 714 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
701 | insert_component (color.g, format->direct.greenMask, format->direct.green) 715 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
702 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 716 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
703 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha); 717 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
704 718
705 return true; 719 return true;
706 } 720 }
707 else 721 else
708 { 722 {
… …
720 c.green = color.g; 734 c.green = color.g;
721 c.blue = color.b; 735 c.blue = color.b;
722 736
723 if (screen->visual->c_class == TrueColor) 737 if (screen->visual->c_class == TrueColor)
724 { 738 {
725 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask )) 739 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
726 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask)) 740 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
727 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask )); 741 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
728 742
729 return true; 743 return true;
730 } 744 }
731 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 745 else if (XAllocColor (screen->dpy, screen->cmap, &c))
732 return true; 746 return true;
… …
884 lerp (c.a, to.a, percent) 898 lerp (c.a, to.a, percent)
885 ) 899 )
886 ); 900 );
887} 901}
888 902
889#if TRACE_PIXMAPS 903rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
890# undef XCreatePixmap 904: 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{ 905{
894 Pixmap res = XCreatePixmap (dpy, r, w, h, d); 906 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); 907
908 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
909 timer_ev.repeat = 10.;
910 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
911
912 incr_buf = 0;
913 incr_buf_size = incr_buf_fill = 0;
914 selection_wait = Sel_normal;
915 selection_type = selnum;
916 cb_sv = 0;
917}
918
919void
920rxvt_selection::stop ()
921{
922 free (incr_buf);
923 incr_buf = 0;
924 timer_ev.stop ();
925 x_ev.stop (display);
926}
927
928rxvt_selection::~rxvt_selection ()
929{
930 stop ();
931}
932
933void
934rxvt_selection::run ()
935{
936 int selnum = selection_type;
937
938#if ENABLE_FRILLS
939 if (selnum == Sel_Primary && display->selection_owner)
940 {
941 /* internal selection */
942 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
943 finish (str, strlen (str));
944 free (str);
945 return;
946 }
947#endif
948
949#if X_HAVE_UTF8_STRING
950 selection_type = Sel_UTF8String;
951 if (request (display->xa[XA_UTF8_STRING], selnum))
952 return;
953#else
954 selection_type = Sel_CompoundText;
955 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
956 return;
957#endif
958
959 // fallback to CUT_BUFFER0 if the requested property has no owner
960 handle_selection (display->root, XA_CUT_BUFFER0, false);
961}
962
963void
964rxvt_selection::finish (char *data, unsigned int len)
965{
966 if (!cb_sv)
967 {
968 if (data)
969 term->paste (data, len);
970
971 term->selection_req = 0;
972 delete this;
973 }
974#if ENABLE_PERL
975 else
976 {
977 stop (); // we do not really trust perl callbacks
978 rxvt_perl.selection_finish (this, data, len);
979 }
980#endif
981}
982
983bool
984rxvt_selection::request (Atom target, int selnum)
985{
986 Atom sel;
987
988 selection_type |= selnum;
989
990 if (selnum == Sel_Primary)
991 sel = XA_PRIMARY;
992 else if (selnum == Sel_Secondary)
993 sel = XA_SECONDARY;
994 else
995 sel = display->xa[XA_CLIPBOARD];
996
997 if (XGetSelectionOwner (display->dpy, sel) != None)
998 {
999 XConvertSelection (display->dpy, sel, target, request_prop,
1000 request_win, request_time);
1001 x_ev.start (display, request_win);
1002 timer_ev.again ();
1003 return true;
1004 }
1005
896 return res; 1006 return false;
897} 1007}
898 1008
899void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p) 1009void
1010rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
900{ 1011{
901 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p); 1012 Display *dpy = display->dpy;
902 XFreePixmap (dpy,p); 1013 char *data = 0;
903} 1014 unsigned int data_len = 0;
1015 unsigned long bytes_after;
1016 XTextProperty ct;
1017
1018 // check for failed XConvertSelection
1019 if (prop == None)
1020 {
1021 bool error = true;
1022 int selnum = selection_type & Sel_whereMask;
1023
1024 if (selection_type & Sel_CompoundText)
1025 {
1026 selection_type = 0;
1027 error = !request (XA_STRING, selnum);
1028 }
1029
1030 if (selection_type & Sel_UTF8String)
1031 {
1032 selection_type = Sel_CompoundText;
1033 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1034 }
1035
1036 if (error)
1037 {
1038 ct.value = 0;
1039 goto bailout;
1040 }
1041
1042 return;
1043 }
1044
1045 // length == (2^31 - 1) / 4, as gdk
1046 if (XGetWindowProperty (dpy, win, prop,
1047 0, 0x1fffffff,
1048 delete_prop, AnyPropertyType,
1049 &ct.encoding, &ct.format,
1050 &ct.nitems, &bytes_after,
1051 &ct.value) != Success)
1052 {
1053 ct.value = 0;
1054 goto bailout;
1055 }
1056
1057 if (ct.encoding == None)
1058 goto bailout;
1059
1060 if (ct.value == 0)
1061 goto bailout;
1062
1063 if (ct.encoding == display->xa[XA_INCR])
1064 {
1065 // INCR selection, start handshake
1066 if (!delete_prop)
1067 XDeleteProperty (dpy, win, prop);
1068
1069 selection_wait = Sel_incr;
1070 timer_ev.again ();
1071
1072 goto bailout;
1073 }
1074
1075 if (ct.nitems == 0)
1076 {
1077 if (selection_wait == Sel_incr)
1078 {
1079 XFree (ct.value);
1080
1081 // finally complete, now paste the whole thing
1082 selection_wait = Sel_normal;
1083 ct.value = (unsigned char *)incr_buf;
1084 ct.nitems = incr_buf_fill;
1085 incr_buf = 0;
1086 timer_ev.stop ();
1087 }
1088 else
1089 {
1090 // avoid recursion
1091 if (win != display->root || prop != XA_CUT_BUFFER0)
1092 {
1093 XFree (ct.value);
1094
1095 // fallback to CUT_BUFFER0 if the requested property
1096 // has an owner but is empty
1097 handle_selection (display->root, XA_CUT_BUFFER0, False);
1098 return;
1099 }
1100
1101 goto bailout;
1102 }
1103 }
1104 else if (selection_wait == Sel_incr)
1105 {
1106 timer_ev.again ();
1107
1108 while (incr_buf_fill + ct.nitems > incr_buf_size)
1109 {
1110 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1111 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1112 }
1113
1114 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1115 incr_buf_fill += ct.nitems;
1116
1117 goto bailout;
1118 }
1119
1120 char **cl;
1121 int cr;
1122
1123 // we honour the first item only
1124
1125#if !ENABLE_MINIMAL
1126 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1127 // so recode it manually
1128 if (ct.encoding == display->xa[XA_UTF8_STRING])
1129 {
1130 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1131 data = rxvt_wcstombs (w);
1132 free (w);
1133 }
1134 else
904#endif 1135#endif
1136 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1137 && cl)
1138 {
1139 data = strdup (cl[0]);
1140 XFreeStringList (cl);
1141 }
1142 else
1143 {
1144 // paste raw
1145 data = strdup ((const char *)ct.value);
1146 }
1147
1148 data_len = strlen (data);
1149
1150bailout:
1151 XFree (ct.value);
1152
1153 if (selection_wait == Sel_normal)
1154 {
1155 finish (data, data_len);
1156 free (data);
1157 }
1158}
1159
1160void
1161rxvt_selection::timer_cb (ev::timer &w, int revents)
1162{
1163 if (selection_wait == Sel_incr)
1164 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1165
1166 finish ();
1167}
1168
1169void
1170rxvt_selection::x_cb (XEvent &xev)
1171{
1172 switch (xev.type)
1173 {
1174 case PropertyNotify:
1175 if (selection_wait == Sel_incr
1176 && xev.xproperty.atom == request_prop
1177 && xev.xproperty.state == PropertyNewValue)
1178 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1179 break;
1180
1181 case SelectionNotify:
1182 if (selection_wait == Sel_normal
1183 && xev.xselection.time == request_time)
1184 {
1185 timer_ev.stop ();
1186 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1187 }
1188 break;
1189 }
1190}

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