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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.113 by sf-exg, Fri Jan 14 11:09:54 2011 UTC vs.
Revision 1.135 by root, Tue Jun 5 13:39:26 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.
65#endif 66#endif
66#if USE_XIM 67#if USE_XIM
67 "WM_LOCALE_NAME", 68 "WM_LOCALE_NAME",
68 "XIM_SERVERS", 69 "XIM_SERVERS",
69#endif 70#endif
70#ifdef ENABLE_TRANSPARENCY 71#if ENABLE_TRANSPARENCY
71 "_XROOTPMAP_ID", 72 "_XROOTPMAP_ID",
72 "ESETROOT_PMAP_ID", 73 "ESETROOT_PMAP_ID",
73#endif 74#endif
74#if ENABLE_XEMBED 75#if ENABLE_XEMBED
75 "_XEMBED", 76 "_XEMBED",
152 put (*this->begin ()); 153 put (*this->begin ());
153} 154}
154 155
155///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
156 157
157#ifdef USE_XIM 158#if USE_XIM
158 159
159static void 160static void
160#if XIMCB_PROTO_BROKEN 161#if XIMCB_PROTO_BROKEN
161im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
162#else 163#else
311 /* 312 /*
312 * get resources using the X library function 313 * get resources using the X library function
313 */ 314 */
314 char *displayResource, *xe; 315 char *displayResource, *xe;
315 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
316 322
317 // 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
318 // as opposed to "standard practise", we always read in ~/.Xdefaults 324 // as opposed to "standard practise", we always read in ~/.Xdefaults
319 325
320 // 6. System wide per application default file. 326 // 6. System wide per application default file.
424bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
425{ 431{
426#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
427 if (id[0] == ':') 433 if (id[0] == ':')
428 { 434 {
429 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1))) 435 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
430 return false; 436
431 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
432 strcat (val, id); 438 strcat (val, id);
439
433 dpy = XOpenDisplay (val); 440 dpy = XOpenDisplay (val);
434 } 441 }
435 else 442 else
436#endif 443#endif
437 dpy = 0; 444 dpy = 0;
443 return false; 450 return false;
444 451
445 screen = DefaultScreen (dpy); 452 screen = DefaultScreen (dpy);
446 root = DefaultRootWindow (dpy); 453 root = DefaultRootWindow (dpy);
447 454
448 assert (ARRAY_LENGTH(xa_names) == NUM_XA); 455 assert (ecb_array_length (xa_names) == NUM_XA);
449 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 456 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
450 457
451 XrmSetDatabase (dpy, get_resources (false)); 458 XrmSetDatabase (dpy, get_resources (false));
452 459
453#ifdef POINTER_BLANK 460#ifdef POINTER_BLANK
459 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ', 466 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
460 &blackcolour, &blackcolour); 467 &blackcolour, &blackcolour);
461 XUnloadFont (dpy, f); 468 XUnloadFont (dpy, f);
462#endif 469#endif
463 470
471 flags = 0;
472#if XRENDER
473 int major, minor;
474 if (XRenderQueryVersion (dpy, &major, &minor))
475 {
476 flags |= DISPLAY_HAS_RENDER;
477
478 if (major > 0 || (major == 0 && minor >= 10))
479 flags |= DISPLAY_HAS_RENDER_10;
480
481 if (major > 0 || (major == 0 && minor >= 11))
482 flags |= DISPLAY_HAS_RENDER_MUL;
483
484 XFilters *filters = XRenderQueryFilters (dpy, root);
485 if (filters)
486 {
487 for (int i = 0; i < filters->nfilter; i++)
488 if (!strcmp (filters->filter[i], FilterConvolution))
489 flags |= DISPLAY_HAS_RENDER_CONV;
490
491 XFree (filters);
492 }
493 }
494#endif
495
464 int fd = XConnectionNumber (dpy); 496 int fd = XConnectionNumber (dpy);
465 497
466 // try to detect whether we have a local connection. 498 // try to detect whether we have a local connection.
467 // assume unix domain socket == local, everything else not 499 // assume unix domain socket == local, everything else not
468 // TODO: might want to check for inet/127.0.0.1 500 // TODO: might want to check for inet/127.0.0.1
488rxvt_display::ref_next () 520rxvt_display::ref_next ()
489{ 521{
490 // TODO: somehow check whether the database files/resources changed 522 // TODO: somehow check whether the database files/resources changed
491 // before affording re-loading/parsing 523 // before affording re-loading/parsing
492 XrmDestroyDatabase (XrmGetDatabase (dpy)); 524 XrmDestroyDatabase (XrmGetDatabase (dpy));
525#if XLIB_ILLEGAL_ACCESS
526 /* work around a bug in XrmSetDatabase where it frees the db */
527 dpy->db = 0;
528#endif
493 XrmSetDatabase (dpy, get_resources (true)); 529 XrmSetDatabase (dpy, get_resources (true));
494} 530}
495 531
496rxvt_display::~rxvt_display () 532rxvt_display::~rxvt_display ()
497{ 533{
501#ifdef POINTER_BLANK 537#ifdef POINTER_BLANK
502 XFreeCursor (dpy, blank_cursor); 538 XFreeCursor (dpy, blank_cursor);
503#endif 539#endif
504 x_ev.stop (); 540 x_ev.stop ();
505 flush_ev.stop (); 541 flush_ev.stop ();
506#ifdef USE_XIM 542#if USE_XIM
507 xims.clear (); 543 xims.clear ();
508#endif 544#endif
509 XrmDestroyDatabase (XrmGetDatabase (dpy)); 545 XrmDestroyDatabase (XrmGetDatabase (dpy));
510 XCloseDisplay (dpy); 546 XCloseDisplay (dpy);
511} 547}
512 548
513#ifdef USE_XIM 549#if USE_XIM
514void rxvt_display::im_change_cb () 550void rxvt_display::im_change_cb ()
515{ 551{
516 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 552 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
517 (*i)->call (); 553 (*i)->call ();
518} 554}
554 do 590 do
555 { 591 {
556 XEvent xev; 592 XEvent xev;
557 XNextEvent (dpy, &xev); 593 XNextEvent (dpy, &xev);
558 594
559#ifdef USE_XIM 595#if USE_XIM
560 if (!XFilterEvent (&xev, None)) 596 if (!XFilterEvent (&xev, None))
561 { 597 {
562 if (xev.type == PropertyNotify 598 if (xev.type == PropertyNotify
563 && xev.xany.window == root 599 && xev.xany.window == root
564 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 600 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
572 if (!xw[i]) 608 if (!xw[i])
573 xw.erase_unordered (i); 609 xw.erase_unordered (i);
574 else if (xw[i]->window == xev.xany.window) 610 else if (xw[i]->window == xev.xany.window)
575 xw[i]->call (xev); 611 xw[i]->call (xev);
576 } 612 }
577#ifdef USE_XIM 613#if USE_XIM
578 } 614 }
579#endif 615#endif
580 } 616 }
581 while (XEventsQueued (dpy, QueuedAlready)); 617 while (XEventsQueued (dpy, QueuedAlready));
582 618
613 } 649 }
614 650
615 cur_owner = owner; 651 cur_owner = owner;
616} 652}
617 653
618#ifdef USE_XIM 654#if USE_XIM
619 655
620void rxvt_display::reg (im_watcher *w) 656void rxvt_display::reg (im_watcher *w)
621{ 657{
622 imw.push_back (w); 658 imw.push_back (w);
623} 659}
658Atom rxvt_display::atom (const char *name) 694Atom rxvt_display::atom (const char *name)
659{ 695{
660 return XInternAtom (dpy, name, False); 696 return XInternAtom (dpy, name, False);
661} 697}
662 698
699Pixmap
700rxvt_display::get_pixmap_property (Atom property)
701{
702 Pixmap pixmap = None;
703
704 int aformat;
705 unsigned long nitems, bytes_after;
706 Atom atype;
707 unsigned char *prop;
708 int result = XGetWindowProperty (dpy, root, property,
709 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
710 &nitems, &bytes_after, &prop);
711 if (result == Success)
712 {
713 if (atype == XA_PIXMAP)
714 pixmap = *(Pixmap *)prop;
715 XFree (prop);
716 }
717
718 return pixmap;
719}
720
663///////////////////////////////////////////////////////////////////////////// 721/////////////////////////////////////////////////////////////////////////////
664 722
665template class refcache<rxvt_display>; 723template class refcache<rxvt_display>;
666refcache<rxvt_display> displays; 724refcache<rxvt_display> displays;
667 725
676 734
677bool 735bool
678rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 736rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
679{ 737{
680 //TODO: only supports 24 bit 738 //TODO: only supports 24 bit
681 int alpha = color.a >= 0xff00 ? 0xffff : color.a; 739 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
682 740
683#if XFT 741#if XFT
684 XRenderPictFormat *format; 742 XRenderPictFormat *format;
685 743
686 // FUCKING Xft gets it wrong, of course, so work around it. 744 // FUCKING Xft gets it wrong, of course, so work around it.
693 c.color.red = color.r; 751 c.color.red = color.r;
694 c.color.green = color.g; 752 c.color.green = color.g;
695 c.color.blue = color.b; 753 c.color.blue = color.b;
696 c.color.alpha = alpha; 754 c.color.alpha = alpha;
697 755
756 // Xft wants premultiplied alpha, but abuses the alpha channel
757 // as blend factor, and doesn't allow us to set the alpha channel
758 c.color.red = c.color.red * alpha / 0xffff;
759 c.color.green = c.color.green * alpha / 0xffff;
760 c.color.blue = c.color.blue * alpha / 0xffff;
761
698 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) 762 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
699 | insert_component (color.g, format->direct.greenMask, format->direct.green) 763 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
700 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 764 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
701 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha); 765 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
702 766
703 return true; 767 return true;
704 } 768 }
705 else 769 else
706 { 770 {
709 d.red = color.r; 773 d.red = color.r;
710 d.green = color.g; 774 d.green = color.g;
711 d.blue = color.b; 775 d.blue = color.b;
712 d.alpha = alpha; 776 d.alpha = alpha;
713 777
714 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 778 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
779 return true;
715 } 780 }
716#else 781#else
717 c.red = color.r; 782 c.red = color.r;
718 c.green = color.g; 783 c.green = color.g;
719 c.blue = color.b; 784 c.blue = color.b;
720 785
721 if (screen->visual->c_class == TrueColor) 786 if (screen->visual->c_class == TrueColor)
722 { 787 {
723 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask )) 788 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
724 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask)) 789 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
725 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask )); 790 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
726 791
727 return true; 792 return true;
728 } 793 }
729 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 794 else if (XAllocColor (screen->dpy, screen->cmap, &c))
730 return true; 795 return true;
731 else 796#endif
797
732 c.pixel = (color.r + color.g + color.b) > 128*3 798 c.pixel = (color.r + color.g + color.b) > 128*3
733 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) 799 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
734 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); 800 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
735#endif
736 801
737 return false; 802 return false;
738} 803}
739 804
740bool 805bool
882 lerp (c.a, to.a, percent) 947 lerp (c.a, to.a, percent)
883 ) 948 )
884 ); 949 );
885} 950}
886 951
952rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
953: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
954{
955 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
956
957 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
958 timer_ev.repeat = 10.;
959 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
960
961 incr_buf = 0;
962 incr_buf_size = incr_buf_fill = 0;
963 selection_wait = Sel_normal;
964 selection_type = selnum;
965 cb_sv = 0;
966}
967
968void
969rxvt_selection::stop ()
970{
971 free (incr_buf);
972 incr_buf = 0;
973 timer_ev.stop ();
974 x_ev.stop (display);
975}
976
977rxvt_selection::~rxvt_selection ()
978{
979 stop ();
980}
981
982void
983rxvt_selection::run ()
984{
985 int selnum = selection_type;
986
987#if ENABLE_FRILLS
988 if (selnum == Sel_Primary && display->selection_owner)
989 {
990 /* internal selection */
991 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
992 finish (str, strlen (str));
993 free (str);
994 return;
995 }
996#endif
997
998#if X_HAVE_UTF8_STRING
999 selection_type = Sel_UTF8String;
1000 if (request (display->xa[XA_UTF8_STRING], selnum))
1001 return;
1002#else
1003 selection_type = Sel_CompoundText;
1004 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1005 return;
1006#endif
1007
1008 // fallback to CUT_BUFFER0 if the requested property has no owner
1009 handle_selection (display->root, XA_CUT_BUFFER0, false);
1010}
1011
1012void
1013rxvt_selection::finish (char *data, unsigned int len)
1014{
1015 if (!cb_sv)
1016 {
1017 if (data)
1018 term->paste (data, len);
1019
1020 term->selection_req = 0;
1021 delete this;
1022 }
1023#if ENABLE_PERL
1024 else
1025 {
1026 stop (); // we do not really trust perl callbacks
1027 rxvt_perl.selection_finish (this, data, len);
1028 }
1029#endif
1030}
1031
1032bool
1033rxvt_selection::request (Atom target, int selnum)
1034{
1035 Atom sel;
1036
1037 selection_type |= selnum;
1038
1039 if (selnum == Sel_Primary)
1040 sel = XA_PRIMARY;
1041 else if (selnum == Sel_Secondary)
1042 sel = XA_SECONDARY;
1043 else
1044 sel = display->xa[XA_CLIPBOARD];
1045
1046 if (XGetSelectionOwner (display->dpy, sel) != None)
1047 {
1048 XConvertSelection (display->dpy, sel, target, request_prop,
1049 request_win, request_time);
1050 x_ev.start (display, request_win);
1051 timer_ev.again ();
1052 return true;
1053 }
1054
1055 return false;
1056}
1057
1058void
1059rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1060{
1061 Display *dpy = display->dpy;
1062 char *data = 0;
1063 unsigned int data_len = 0;
1064 unsigned long bytes_after;
1065 XTextProperty ct;
1066
1067 // check for failed XConvertSelection
1068 if (prop == None)
1069 {
1070 bool error = true;
1071 int selnum = selection_type & Sel_whereMask;
1072
1073 if (selection_type & Sel_CompoundText)
1074 {
1075 selection_type = 0;
1076 error = !request (XA_STRING, selnum);
1077 }
1078
1079 if (selection_type & Sel_UTF8String)
1080 {
1081 selection_type = Sel_CompoundText;
1082 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1083 }
1084
1085 if (error)
1086 {
1087 ct.value = 0;
1088 goto bailout;
1089 }
1090
1091 return;
1092 }
1093
1094 // length == (2^31 - 1) / 4, as gdk
1095 if (XGetWindowProperty (dpy, win, prop,
1096 0, 0x1fffffff,
1097 delete_prop, AnyPropertyType,
1098 &ct.encoding, &ct.format,
1099 &ct.nitems, &bytes_after,
1100 &ct.value) != Success)
1101 {
1102 ct.value = 0;
1103 goto bailout;
1104 }
1105
1106 if (ct.encoding == None)
1107 goto bailout;
1108
1109 if (ct.value == 0)
1110 goto bailout;
1111
1112 if (ct.encoding == display->xa[XA_INCR])
1113 {
1114 // INCR selection, start handshake
1115 if (!delete_prop)
1116 XDeleteProperty (dpy, win, prop);
1117
1118 selection_wait = Sel_incr;
1119 timer_ev.again ();
1120
1121 goto bailout;
1122 }
1123
1124 if (ct.nitems == 0)
1125 {
1126 if (selection_wait == Sel_incr)
1127 {
1128 XFree (ct.value);
1129
1130 // finally complete, now paste the whole thing
1131 selection_wait = Sel_normal;
1132 ct.value = (unsigned char *)incr_buf;
1133 ct.nitems = incr_buf_fill;
1134 incr_buf = 0;
1135 timer_ev.stop ();
1136 }
1137 else
1138 {
1139 // avoid recursion
1140 if (win != display->root || prop != XA_CUT_BUFFER0)
1141 {
1142 XFree (ct.value);
1143
1144 // fallback to CUT_BUFFER0 if the requested property
1145 // has an owner but is empty
1146 handle_selection (display->root, XA_CUT_BUFFER0, False);
1147 return;
1148 }
1149
1150 goto bailout;
1151 }
1152 }
1153 else if (selection_wait == Sel_incr)
1154 {
1155 timer_ev.again ();
1156
1157 while (incr_buf_fill + ct.nitems > incr_buf_size)
1158 {
1159 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1160 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1161 }
1162
1163 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1164 incr_buf_fill += ct.nitems;
1165
1166 goto bailout;
1167 }
1168
1169 char **cl;
1170 int cr;
1171
1172 // we honour the first item only
1173
1174#if !ENABLE_MINIMAL
1175 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1176 // so recode it manually
1177 if (ct.encoding == display->xa[XA_UTF8_STRING])
1178 {
1179 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1180 data = rxvt_wcstombs (w);
1181 free (w);
1182 }
1183 else
1184#endif
1185 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1186 && cl)
1187 {
1188 data = strdup (cl[0]);
1189 XFreeStringList (cl);
1190 }
1191 else
1192 {
1193 // paste raw
1194 data = strdup ((const char *)ct.value);
1195 }
1196
1197 data_len = strlen (data);
1198
1199bailout:
1200 XFree (ct.value);
1201
1202 if (selection_wait == Sel_normal)
1203 {
1204 finish (data, data_len);
1205 free (data);
1206 }
1207}
1208
1209void
1210rxvt_selection::timer_cb (ev::timer &w, int revents)
1211{
1212 if (selection_wait == Sel_incr)
1213 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1214
1215 finish ();
1216}
1217
1218void
1219rxvt_selection::x_cb (XEvent &xev)
1220{
1221 switch (xev.type)
1222 {
1223 case PropertyNotify:
1224 if (selection_wait == Sel_incr
1225 && xev.xproperty.atom == request_prop
1226 && xev.xproperty.state == PropertyNewValue)
1227 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1228 break;
1229
1230 case SelectionNotify:
1231 if (selection_wait == Sel_normal
1232 && xev.xselection.time == request_time)
1233 {
1234 timer_ev.stop ();
1235 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1236 }
1237 break;
1238 }
1239}

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