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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.111 by sf-exg, Sat Dec 18 18:17:39 2010 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.
… …
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.
… …
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 ()
… …
884 lerp (c.a, to.a, percent) 892 lerp (c.a, to.a, percent)
885 ) 893 )
886 ); 894 );
887} 895}
888 896
897rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
898: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
899{
900 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
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
999 return false;
1000}
1001
1002void
1003rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1004{
1005 Display *dpy = display->dpy;
1006 char *data = 0;
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
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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