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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.107 by sf-exg, Wed Mar 31 13:14:51 2010 UTC vs.
Revision 1.118 by sf-exg, Sat Feb 12 00:50:04 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.
… …
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;
… …
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.
… …
362 XA_STRING, &actual_type, &actual_format, 365 XA_STRING, &actual_type, &actual_format,
363 &nitems, &nremaining, 366 &nitems, &nremaining,
364 (unsigned char **)&val) == Success 367 (unsigned char **)&val) == Success
365 && actual_type == XA_STRING 368 && actual_type == XA_STRING
366 && actual_format == 8) 369 && actual_format == 8)
367 displayResource = val; 370 displayResource = val;
368 else 371 else
369 { 372 {
370 displayResource = 0; 373 displayResource = 0;
371 374
372 if (val) 375 if (val)
373 XFree(val); 376 XFree (val);
374 } 377 }
375 378
376#if XLIB_ILLEGAL_ACCESS 379#if XLIB_ILLEGAL_ACCESS
377 dpy->xdefaults = displayResource; 380 dpy->xdefaults = displayResource;
378#endif 381#endif
379 } 382 }
… …
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 ()
… …
528 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
529 537
530 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
531 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
532 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
533 != Success ) 541 != Success)
534 return; 542 return;
535 543
536 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
537 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
538 if (XGetSelectionOwner (dpy, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
539 { 547 {
540 im_change_cb (); 548 im_change_cb ();
541 break; 549 break;
… …
884 lerp (c.a, to.a, percent) 892 lerp (c.a, to.a, percent)
885 ) 893 )
886 ); 894 );
887} 895}
888 896
889#if TRACE_PIXMAPS 897rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, sel_cb cb, void *ptr)
890# undef XCreatePixmap 898: display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr)
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{ 899{
894 Pixmap res = XCreatePixmap (dpy, r, w, h, d); 900 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); 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::run ()
914{
915 int selnum = selection_type;
916
917#if X_HAVE_UTF8_STRING
918 selection_type = Sel_UTF8String;
919 if (request (display->xa[XA_UTF8_STRING], selnum))
920 return;
921#else
922 selection_type = Sel_CompoundText;
923 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
924 return;
925#endif
926
927 // fallback to CUT_BUFFER0 if the requested property has no owner
928 handle_selection (display->root, XA_CUT_BUFFER0, false);
929}
930
931rxvt_selection::~rxvt_selection ()
932{
933 stop ();
934}
935
936void
937rxvt_selection::stop ()
938{
939 free (incr_buf);
940 incr_buf = 0;
941 timer_ev.stop ();
942 x_ev.stop (display);
943}
944
945bool
946rxvt_selection::request (Atom target, int selnum)
947{
948 Atom sel;
949
950 selection_type |= selnum;
951
952 if (selnum == Sel_Primary)
953 sel = XA_PRIMARY;
954 else if (selnum == Sel_Secondary)
955 sel = XA_SECONDARY;
956 else
957 sel = display->xa[XA_CLIPBOARD];
958
959 if (XGetSelectionOwner (display->dpy, sel) != None)
960 {
961 XConvertSelection (display->dpy, sel, target, request_prop,
962 request_win, request_time);
963 x_ev.start (display, request_win);
964 timer_ev.again ();
965 return true;
966 }
967
896 return res; 968 return false;
897} 969}
898 970
899void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p) 971void
972rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
900{ 973{
901 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p); 974 Display *dpy = display->dpy;
902 XFreePixmap (dpy,p); 975 char *data = 0;
903} 976 unsigned int data_len = 0;
977 unsigned long bytes_after;
978 XTextProperty ct;
979
980 // check for failed XConvertSelection
981 if (prop == None)
982 {
983 bool error = true;
984 int selnum = selection_type & Sel_whereMask;
985
986 if (selection_type & Sel_CompoundText)
987 {
988 selection_type = 0;
989 error = !request (XA_STRING, selnum);
990 }
991
992 if (selection_type & Sel_UTF8String)
993 {
994 selection_type = Sel_CompoundText;
995 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
996 }
997
998 if (error)
999 {
1000 ct.value = 0;
1001 goto bailout;
1002 }
1003
1004 return;
1005 }
1006
1007 // length == (2^31 - 1) / 4, as gdk
1008 if (XGetWindowProperty (dpy, win, prop,
1009 0, 0x1fffffff,
1010 delete_prop, AnyPropertyType,
1011 &ct.encoding, &ct.format,
1012 &ct.nitems, &bytes_after,
1013 &ct.value) != Success)
1014 {
1015 ct.value = 0;
1016 goto bailout;
1017 }
1018
1019 if (ct.encoding == None)
1020 goto bailout;
1021
1022 if (ct.value == 0)
1023 goto bailout;
1024
1025 if (ct.encoding == display->xa[XA_INCR])
1026 {
1027 // INCR selection, start handshake
1028 if (!delete_prop)
1029 XDeleteProperty (dpy, win, prop);
1030
1031 selection_wait = Sel_incr;
1032 timer_ev.again ();
1033
1034 goto bailout;
1035 }
1036
1037 if (ct.nitems == 0)
1038 {
1039 if (selection_wait == Sel_incr)
1040 {
1041 XFree (ct.value);
1042
1043 // finally complete, now paste the whole thing
1044 selection_wait = Sel_normal;
1045 ct.value = (unsigned char *)incr_buf;
1046 ct.nitems = incr_buf_fill;
1047 incr_buf = 0;
1048 timer_ev.stop ();
1049 }
1050 else
1051 {
1052 // avoid recursion
1053 if (win != display->root || prop != XA_CUT_BUFFER0)
1054 {
1055 XFree (ct.value);
1056
1057 // fallback to CUT_BUFFER0 if the requested property
1058 // has an owner but is empty
1059 handle_selection (display->root, XA_CUT_BUFFER0, False);
1060 return;
1061 }
1062
1063 goto bailout;
1064 }
1065 }
1066 else if (selection_wait == Sel_incr)
1067 {
1068 timer_ev.again ();
1069
1070 while (incr_buf_fill + ct.nitems > incr_buf_size)
1071 {
1072 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1073 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1074 }
1075
1076 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1077 incr_buf_fill += ct.nitems;
1078
1079 goto bailout;
1080 }
1081
1082 char **cl;
1083 int cr;
1084
1085 // we honour the first item only
1086
1087#if !ENABLE_MINIMAL
1088 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1089 // so recode it manually
1090 if (ct.encoding == display->xa[XA_UTF8_STRING])
1091 {
1092 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1093 data = rxvt_wcstombs (w);
1094 free (w);
1095 }
1096 else
904#endif 1097#endif
1098 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1099 && cl)
1100 {
1101 data = strdup (cl[0]);
1102 XFreeStringList (cl);
1103 }
1104 else
1105 {
1106 // paste raw
1107 data = strdup ((const char *)ct.value);
1108 }
1109
1110 data_len = strlen (data);
1111
1112bailout:
1113 XFree (ct.value);
1114
1115 if (selection_wait == Sel_normal)
1116 {
1117 stop ();
1118 request_cb (data, data_len, this);
1119 free (data);
1120 }
1121}
1122
1123void
1124rxvt_selection::timer_cb (ev::timer &w, int revents)
1125{
1126 if (selection_wait == Sel_incr)
1127 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1128
1129 stop ();
1130 request_cb (NULL, 0, this);
1131}
1132
1133void
1134rxvt_selection::x_cb (XEvent &xev)
1135{
1136 switch (xev.type)
1137 {
1138 case PropertyNotify:
1139 if (selection_wait == Sel_incr
1140 && xev.xproperty.atom == request_prop
1141 && xev.xproperty.state == PropertyNewValue)
1142 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1143 break;
1144
1145 case SelectionNotify:
1146 if (selection_wait == Sel_normal
1147 && xev.xselection.time == request_time
1148 && xev.xselection.property == request_prop)
1149 {
1150 timer_ev.stop ();
1151 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1152 }
1153 break;
1154 }
1155}

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