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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 1.116 by sf-exg, Fri Feb 11 11:26:30 2011 UTC

… …
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) 2003-2007 Marc Lehmann <pcg@goof.com>
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 ()
… …
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, sel_cb cb, void *ptr)
898: display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr)
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
910#if X_HAVE_UTF8_STRING
911 selection_type = Sel_UTF8String;
912 if (request (display->xa[XA_UTF8_STRING], selnum))
913 return;
914#else
915 selection_type = Sel_CompoundText;
916 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
917 return;
918#endif
919
920 // fallback to CUT_BUFFER0 if the requested property has no owner
921 handle_selection (display->root, XA_CUT_BUFFER0, false);
922}
923
924rxvt_selection::~rxvt_selection ()
925{
926 stop ();
927}
928
929void
930rxvt_selection::stop ()
931{
932 free (incr_buf);
933 incr_buf = 0;
934 timer_ev.stop ();
935 x_ev.stop (display);
936}
937
938bool
939rxvt_selection::request (Atom target, int selnum)
940{
941 Atom sel;
942
943 selection_type |= selnum;
944
945 if (selnum == Sel_Primary)
946 sel = XA_PRIMARY;
947 else if (selnum == Sel_Secondary)
948 sel = XA_SECONDARY;
949 else
950 sel = display->xa[XA_CLIPBOARD];
951
952 if (XGetSelectionOwner (display->dpy, sel) != None)
953 {
954 XConvertSelection (display->dpy, sel, target, request_prop,
955 request_win, request_time);
956 x_ev.start (display, request_win);
957 timer_ev.again ();
958 return true;
959 }
960
961 return false;
962}
963
964void
965rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
966{
967 Display *dpy = display->dpy;
968 char *data = 0;
969 unsigned int data_len = 0;
970 unsigned long bytes_after;
971 XTextProperty ct;
972
973 // check for failed XConvertSelection
974 if (prop == None)
975 {
976 bool error = true;
977 int selnum = selection_type & Sel_whereMask;
978
979 if (selection_type & Sel_CompoundText)
980 {
981 selection_type = 0;
982 error = !request (XA_STRING, selnum);
983 }
984
985 if (selection_type & Sel_UTF8String)
986 {
987 selection_type = Sel_CompoundText;
988 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
989 }
990
991 if (error)
992 {
993 ct.value = 0;
994 goto bailout;
995 }
996
997 return;
998 }
999
1000 // length == (2^31 - 1) / 4, as gdk
1001 if (XGetWindowProperty (dpy, win, prop,
1002 0, 0x1fffffff,
1003 delete_prop, AnyPropertyType,
1004 &ct.encoding, &ct.format,
1005 &ct.nitems, &bytes_after,
1006 &ct.value) != Success)
1007 {
1008 ct.value = 0;
1009 goto bailout;
1010 }
1011
1012 if (ct.encoding == None)
1013 goto bailout;
1014
1015 if (ct.value == 0)
1016 goto bailout;
1017
1018 if (ct.encoding == display->xa[XA_INCR])
1019 {
1020 // INCR selection, start handshake
1021 if (!delete_prop)
1022 XDeleteProperty (dpy, win, prop);
1023
1024 selection_wait = Sel_incr;
1025 timer_ev.again ();
1026
1027 goto bailout;
1028 }
1029
1030 if (ct.nitems == 0)
1031 {
1032 if (selection_wait == Sel_incr)
1033 {
1034 XFree (ct.value);
1035
1036 // finally complete, now paste the whole thing
1037 selection_wait = Sel_normal;
1038 ct.value = (unsigned char *)incr_buf;
1039 ct.nitems = incr_buf_fill;
1040 incr_buf = 0;
1041 timer_ev.stop ();
1042 }
1043 else
1044 {
1045 // avoid recursion
1046 if (win != display->root || prop != XA_CUT_BUFFER0)
1047 {
1048 XFree (ct.value);
1049
1050 // fallback to CUT_BUFFER0 if the requested property
1051 // has an owner but is empty
1052 handle_selection (display->root, XA_CUT_BUFFER0, False);
1053 return;
1054 }
1055
1056 goto bailout;
1057 }
1058 }
1059 else if (selection_wait == Sel_incr)
1060 {
1061 timer_ev.again ();
1062
1063 while (incr_buf_fill + ct.nitems > incr_buf_size)
1064 {
1065 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1066 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1067 }
1068
1069 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1070 incr_buf_fill += ct.nitems;
1071
1072 goto bailout;
1073 }
1074
1075 char **cl;
1076 int cr;
1077
1078 // we honour the first item only
1079
1080#if !ENABLE_MINIMAL
1081 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1082 // so recode it manually
1083 if (ct.encoding == display->xa[XA_UTF8_STRING])
1084 {
1085 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1086 data = rxvt_wcstombs (w);
1087 free (w);
1088 }
1089 else
1090#endif
1091 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1092 && cl)
1093 {
1094 data = strdup (cl[0]);
1095 XFreeStringList (cl);
1096 }
1097 else
1098 {
1099 // paste raw
1100 data = strdup ((const char *)ct.value);
1101 }
1102
1103 data_len = strlen (data);
1104
1105bailout:
1106 XFree (ct.value);
1107
1108 if (selection_wait == Sel_normal)
1109 {
1110 stop ();
1111 request_cb (data, data_len, this, user_data);
1112 free (data);
1113 }
1114}
1115
1116void
1117rxvt_selection::timer_cb (ev::timer &w, int revents)
1118{
1119 if (selection_wait == Sel_incr)
1120 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1121
1122 stop ();
1123 request_cb (NULL, 0, this, user_data);
1124}
1125
1126void
1127rxvt_selection::x_cb (XEvent &xev)
1128{
1129 switch (xev.type)
1130 {
1131 case PropertyNotify:
1132 if (selection_wait == Sel_incr
1133 && xev.xproperty.atom == request_prop
1134 && xev.xproperty.state == PropertyNewValue)
1135 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1136 break;
1137
1138 case SelectionNotify:
1139 if (selection_wait == Sel_normal
1140 && xev.xselection.time == request_time
1141 && xev.xselection.property == request_prop)
1142 {
1143 timer_ev.stop ();
1144 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1145 }
1146 break;
1147 }
1148}

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