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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.110 by sf-exg, Tue Dec 14 08:01:51 2010 UTC vs.
Revision 1.124 by sf-exg, Thu Apr 21 00:16:25 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.
… …
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;
… …
314 /* 312 /*
315 * get resources using the X library function 313 * get resources using the X library function
316 */ 314 */
317 char *displayResource, *xe; 315 char *displayResource, *xe;
318 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
319 322
320 // 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
321 // as opposed to "standard practise", we always read in ~/.Xdefaults 324 // as opposed to "standard practise", we always read in ~/.Xdefaults
322 325
323 // 6. System wide per application default file. 326 // 6. System wide per application default file.
… …
446 return false; 449 return false;
447 450
448 screen = DefaultScreen (dpy); 451 screen = DefaultScreen (dpy);
449 root = DefaultRootWindow (dpy); 452 root = DefaultRootWindow (dpy);
450 453
451 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
452 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
453 456
454 XrmSetDatabase (dpy, get_resources (false)); 457 XrmSetDatabase (dpy, get_resources (false));
455 458
456#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
… …
491rxvt_display::ref_next () 494rxvt_display::ref_next ()
492{ 495{
493 // TODO: somehow check whether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
494 // before affording re-loading/parsing 497 // before affording re-loading/parsing
495 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
496 XrmSetDatabase (dpy, get_resources (true)); 503 XrmSetDatabase (dpy, get_resources (true));
497} 504}
498 505
499rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
500{ 507{
… …
507 x_ev.stop (); 514 x_ev.stop ();
508 flush_ev.stop (); 515 flush_ev.stop ();
509#ifdef USE_XIM 516#ifdef USE_XIM
510 xims.clear (); 517 xims.clear ();
511#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
512 XCloseDisplay (dpy); 520 XCloseDisplay (dpy);
513} 521}
514 522
515#ifdef USE_XIM 523#ifdef USE_XIM
516void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
… …
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 // ARGB visuals use premultiplied alpha
709 if (format->direct.alphaMask)
710 {
711 c.color.red = c.color.red * alpha / 0xffff;
712 c.color.green = c.color.green * alpha / 0xffff;
713 c.color.blue = c.color.blue * alpha / 0xffff;
714 }
715
700 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) 716 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
701 | insert_component (color.g, format->direct.greenMask, format->direct.green) 717 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
702 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 718 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
703 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha); 719 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
704 720
705 return true; 721 return true;
706 } 722 }
707 else 723 else
708 { 724 {
… …
884 lerp (c.a, to.a, percent) 900 lerp (c.a, to.a, percent)
885 ) 901 )
886 ); 902 );
887} 903}
888 904
905rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
906: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
907{
908 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
909
910 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
911 timer_ev.repeat = 10.;
912 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
913
914 incr_buf = 0;
915 incr_buf_size = incr_buf_fill = 0;
916 selection_wait = Sel_normal;
917 selection_type = selnum;
918}
919
920void
921rxvt_selection::stop ()
922{
923 free (incr_buf);
924 incr_buf = 0;
925 timer_ev.stop ();
926 x_ev.stop (display);
927}
928
929rxvt_selection::~rxvt_selection ()
930{
931 stop ();
932}
933
934void
935rxvt_selection::run ()
936{
937 int selnum = selection_type;
938
939#if ENABLE_FRILLS
940 if (selnum == Sel_Primary && display->selection_owner)
941 {
942 /* internal selection */
943 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
944 finish (str, strlen (str));
945 free (str);
946 return;
947 }
948#endif
949
950#if X_HAVE_UTF8_STRING
951 selection_type = Sel_UTF8String;
952 if (request (display->xa[XA_UTF8_STRING], selnum))
953 return;
954#else
955 selection_type = Sel_CompoundText;
956 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
957 return;
958#endif
959
960 // fallback to CUT_BUFFER0 if the requested property has no owner
961 handle_selection (display->root, XA_CUT_BUFFER0, false);
962}
963
964void
965rxvt_selection::finish (char *data, unsigned int len)
966{
967 if (term)
968 {
969 if (data)
970 term->paste (data, len);
971
972 term->selection_req = 0;
973 delete this;
974 }
975#if ENABLE_PERL
976 else
977 {
978 stop (); // we do not really trust perl callbacks
979 rxvt_perl.selection_finish (this, data, len);
980 }
981#endif
982}
983
984bool
985rxvt_selection::request (Atom target, int selnum)
986{
987 Atom sel;
988
989 selection_type |= selnum;
990
991 if (selnum == Sel_Primary)
992 sel = XA_PRIMARY;
993 else if (selnum == Sel_Secondary)
994 sel = XA_SECONDARY;
995 else
996 sel = display->xa[XA_CLIPBOARD];
997
998 if (XGetSelectionOwner (display->dpy, sel) != None)
999 {
1000 XConvertSelection (display->dpy, sel, target, request_prop,
1001 request_win, request_time);
1002 x_ev.start (display, request_win);
1003 timer_ev.again ();
1004 return true;
1005 }
1006
1007 return false;
1008}
1009
1010void
1011rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1012{
1013 Display *dpy = display->dpy;
1014 char *data = 0;
1015 unsigned int data_len = 0;
1016 unsigned long bytes_after;
1017 XTextProperty ct;
1018
1019 // check for failed XConvertSelection
1020 if (prop == None)
1021 {
1022 bool error = true;
1023 int selnum = selection_type & Sel_whereMask;
1024
1025 if (selection_type & Sel_CompoundText)
1026 {
1027 selection_type = 0;
1028 error = !request (XA_STRING, selnum);
1029 }
1030
1031 if (selection_type & Sel_UTF8String)
1032 {
1033 selection_type = Sel_CompoundText;
1034 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1035 }
1036
1037 if (error)
1038 {
1039 ct.value = 0;
1040 goto bailout;
1041 }
1042
1043 return;
1044 }
1045
1046 // length == (2^31 - 1) / 4, as gdk
1047 if (XGetWindowProperty (dpy, win, prop,
1048 0, 0x1fffffff,
1049 delete_prop, AnyPropertyType,
1050 &ct.encoding, &ct.format,
1051 &ct.nitems, &bytes_after,
1052 &ct.value) != Success)
1053 {
1054 ct.value = 0;
1055 goto bailout;
1056 }
1057
1058 if (ct.encoding == None)
1059 goto bailout;
1060
1061 if (ct.value == 0)
1062 goto bailout;
1063
1064 if (ct.encoding == display->xa[XA_INCR])
1065 {
1066 // INCR selection, start handshake
1067 if (!delete_prop)
1068 XDeleteProperty (dpy, win, prop);
1069
1070 selection_wait = Sel_incr;
1071 timer_ev.again ();
1072
1073 goto bailout;
1074 }
1075
1076 if (ct.nitems == 0)
1077 {
1078 if (selection_wait == Sel_incr)
1079 {
1080 XFree (ct.value);
1081
1082 // finally complete, now paste the whole thing
1083 selection_wait = Sel_normal;
1084 ct.value = (unsigned char *)incr_buf;
1085 ct.nitems = incr_buf_fill;
1086 incr_buf = 0;
1087 timer_ev.stop ();
1088 }
1089 else
1090 {
1091 // avoid recursion
1092 if (win != display->root || prop != XA_CUT_BUFFER0)
1093 {
1094 XFree (ct.value);
1095
1096 // fallback to CUT_BUFFER0 if the requested property
1097 // has an owner but is empty
1098 handle_selection (display->root, XA_CUT_BUFFER0, False);
1099 return;
1100 }
1101
1102 goto bailout;
1103 }
1104 }
1105 else if (selection_wait == Sel_incr)
1106 {
1107 timer_ev.again ();
1108
1109 while (incr_buf_fill + ct.nitems > incr_buf_size)
1110 {
1111 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1112 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1113 }
1114
1115 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1116 incr_buf_fill += ct.nitems;
1117
1118 goto bailout;
1119 }
1120
1121 char **cl;
1122 int cr;
1123
1124 // we honour the first item only
1125
1126#if !ENABLE_MINIMAL
1127 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1128 // so recode it manually
1129 if (ct.encoding == display->xa[XA_UTF8_STRING])
1130 {
1131 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1132 data = rxvt_wcstombs (w);
1133 free (w);
1134 }
1135 else
1136#endif
1137 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1138 && cl)
1139 {
1140 data = strdup (cl[0]);
1141 XFreeStringList (cl);
1142 }
1143 else
1144 {
1145 // paste raw
1146 data = strdup ((const char *)ct.value);
1147 }
1148
1149 data_len = strlen (data);
1150
1151bailout:
1152 XFree (ct.value);
1153
1154 if (selection_wait == Sel_normal)
1155 {
1156 finish (data, data_len);
1157 free (data);
1158 }
1159}
1160
1161void
1162rxvt_selection::timer_cb (ev::timer &w, int revents)
1163{
1164 if (selection_wait == Sel_incr)
1165 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1166
1167 finish ();
1168}
1169
1170void
1171rxvt_selection::x_cb (XEvent &xev)
1172{
1173 switch (xev.type)
1174 {
1175 case PropertyNotify:
1176 if (selection_wait == Sel_incr
1177 && xev.xproperty.atom == request_prop
1178 && xev.xproperty.state == PropertyNewValue)
1179 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1180 break;
1181
1182 case SelectionNotify:
1183 if (selection_wait == Sel_normal
1184 && xev.xselection.time == request_time
1185 && xev.xselection.property == request_prop)
1186 {
1187 timer_ev.stop ();
1188 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1189 }
1190 break;
1191 }
1192}

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