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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.84 by root, Fri Dec 14 06:17:27 2007 UTC vs.
Revision 1.121 by root, Mon Feb 21 07:41:03 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.
… …
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",
… …
59#if ENABLE_EWMH 60#if ENABLE_EWMH
60 "_NET_WM_PID", 61 "_NET_WM_PID",
61 "_NET_WM_NAME", 62 "_NET_WM_NAME",
62 "_NET_WM_ICON_NAME", 63 "_NET_WM_ICON_NAME",
63 "_NET_WM_PING", 64 "_NET_WM_PING",
65 "_NET_WM_ICON",
64#endif 66#endif
65#if USE_XIM 67#if USE_XIM
66 "WM_LOCALE_NAME", 68 "WM_LOCALE_NAME",
67 "XIM_SERVERS", 69 "XIM_SERVERS",
68#endif 70#endif
… …
226{ 228{
227} 229}
228 230
229rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h) 231rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
230{ 232{
231 // it's actually faster to re-allocate every time. don't ask me
232 // why, but its likely no big deal there are no roundtrips
233 // (I think/hope).
234 if (!scratch_area || w > scratch_w || h > scratch_h || 1/*D*/) 233 if (!scratch_area || w > scratch_w || h > scratch_h)
235 { 234 {
236 if (scratch_area) 235 if (scratch_area)
237 { 236 {
238 XFreePixmap (dpy, scratch_area->drawable); 237 XFreePixmap (dpy, scratch_area->drawable);
239 delete scratch_area; 238 delete scratch_area;
… …
296///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
297 296
298rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
299: refcounted (id) 298: refcounted (id)
300, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
301{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this); 302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this); 303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
304} 304}
305 305
… …
312 /* 312 /*
313 * get resources using the X library function 313 * get resources using the X library function
314 */ 314 */
315 char *displayResource, *xe; 315 char *displayResource, *xe;
316 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
317 322
318 // 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
319 // as opposed to "standard practise", we always read in ~/.Xdefaults 324 // as opposed to "standard practise", we always read in ~/.Xdefaults
320 325
321 // 6. System wide per application default file. 326 // 6. System wide per application default file.
… …
360 XA_STRING, &actual_type, &actual_format, 365 XA_STRING, &actual_type, &actual_format,
361 &nitems, &nremaining, 366 &nitems, &nremaining,
362 (unsigned char **)&val) == Success 367 (unsigned char **)&val) == Success
363 && actual_type == XA_STRING 368 && actual_type == XA_STRING
364 && actual_format == 8) 369 && actual_format == 8)
365 displayResource = val; 370 displayResource = val;
366 else 371 else
367 { 372 {
368 displayResource = 0; 373 displayResource = 0;
369 374
370 if (val) 375 if (val)
371 XFree(val); 376 XFree (val);
372 } 377 }
373 378
374#if XLIB_ILLEGAL_ACCESS 379#if XLIB_ILLEGAL_ACCESS
375 dpy->xdefaults = displayResource; 380 dpy->xdefaults = displayResource;
376#endif 381#endif
377 } 382 }
… …
425bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
426{ 431{
427#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
428 if (id[0] == ':') 433 if (id[0] == ':')
429 { 434 {
430 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
431 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
432 strcat (val, id); 438 strcat (val, id);
433 dpy = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
434 free (val);
435 } 440 }
436 else 441 else
437#endif 442#endif
438 dpy = 0; 443 dpy = 0;
439 444
… …
444 return false; 449 return false;
445 450
446 screen = DefaultScreen (dpy); 451 screen = DefaultScreen (dpy);
447 root = DefaultRootWindow (dpy); 452 root = DefaultRootWindow (dpy);
448 453
449 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
450 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
451 456
452 XrmSetDatabase (dpy, get_resources (false)); 457 XrmSetDatabase (dpy, get_resources (false));
453 458
454#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
… …
462 XUnloadFont (dpy, f); 467 XUnloadFont (dpy, f);
463#endif 468#endif
464 469
465 int fd = XConnectionNumber (dpy); 470 int fd = XConnectionNumber (dpy);
466 471
467 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
468 // assume unix domain socket == local, everything else not 473 // assume unix domain socket == local, everything else not
469 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
470 is_local = 0; 475 is_local = 0;
471 sockaddr_un sa; 476 sockaddr_un sa;
472 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
… …
486} 491}
487 492
488void 493void
489rxvt_display::ref_next () 494rxvt_display::ref_next ()
490{ 495{
491 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
492 // before affording re-loading/parsing 497 // before affording re-loading/parsing
493 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
494 XrmSetDatabase (dpy, get_resources (true)); 503 XrmSetDatabase (dpy, get_resources (true));
495} 504}
496 505
497rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
498{ 507{
… …
501 510
502#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
503 XFreeCursor (dpy, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
504#endif 513#endif
505 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
506#ifdef USE_XIM 516#ifdef USE_XIM
507 xims.clear (); 517 xims.clear ();
508#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
509 XCloseDisplay (dpy); 520 XCloseDisplay (dpy);
510} 521}
511 522
512#ifdef USE_XIM 523#ifdef USE_XIM
513void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
… …
525 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
526 537
527 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
528 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
529 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
530 != Success ) 541 != Success)
531 return; 542 return;
532 543
533 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
534 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
535 if (XGetSelectionOwner (dpy, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
536 { 547 {
537 im_change_cb (); 548 im_change_cb ();
538 break; 549 break;
… …
542} 553}
543#endif 554#endif
544 555
545void rxvt_display::x_cb (ev::io &w, int revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
546{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
547 while (XEventsQueued (dpy, QueuedAfterReading)) 563 while (XEventsQueued (dpy, QueuedAfterFlush))
564 do
548 { 565 {
549 XEvent xev; 566 XEvent xev;
550 XNextEvent (dpy, &xev); 567 XNextEvent (dpy, &xev);
551 568
552#ifdef USE_XIM 569#ifdef USE_XIM
553 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
554 { 571 {
555 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
556 && xev.xany.window == root 573 && xev.xany.window == root
557 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
558 im_change_check (); 575 im_change_check ();
559#endif 576#endif
560 if (xev.type == MappingNotify) 577 if (xev.type == MappingNotify)
561 XRefreshKeyboardMapping (&xev.xmapping); 578 XRefreshKeyboardMapping (&xev.xmapping);
562 579
563 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
564 { 581 {
565 if (!xw[i]) 582 if (!xw[i])
566 xw.erase_unordered (i); 583 xw.erase_unordered (i);
567 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
568 xw[i]->call (xev); 585 xw[i]->call (xev);
569 } 586 }
570#ifdef USE_XIM 587#ifdef USE_XIM
571 } 588 }
572#endif 589#endif
573 } 590 }
574} 591 while (XEventsQueued (dpy, QueuedAlready));
575 592
576void rxvt_display::flush_cb (ev::prepare &w, int revents)
577{
578 w.stop (); 593 w.stop ();
579 XFlush (dpy);
580} 594}
581 595
582void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
583{ 597{
584 if (!w->active) 598 if (!w->active)
… …
595 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
596 w->active = 0; 610 w->active = 0;
597 } 611 }
598} 612}
599 613
600void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
601{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
602 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
603 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
604 624
605 selection_owner = owner; 625 cur_owner = owner;
606} 626}
607 627
608#ifdef USE_XIM 628#ifdef USE_XIM
609 629
610void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
… …
623 int l, m; 643 int l, m;
624 644
625 l = strlen (locale); 645 l = strlen (locale);
626 m = strlen (modifiers); 646 m = strlen (modifiers);
627 647
628 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
629 return 0; 649 return 0;
630 650
631 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
632 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
633 653
634 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
635
636 free (id);
637 655
638 return xim; 656 return xim;
639} 657}
640 658
641void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
… …
667} 685}
668 686
669bool 687bool
670rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
671{ 689{
690 //TODO: only supports 24 bit
691 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
672#if XFT 693#if XFT
673 XRenderPictFormat *format; 694 XRenderPictFormat *format;
674 695
675 // FUCKING Xft gets it wrong, of course, so work around it. 696 // FUCKING Xft gets it wrong, of course, so work around it.
676 // Transparency users should eat shit and die, and then 697 // Transparency users should eat shit and die, and then
… …
680 { 701 {
681 // the fun lies in doing everything manually... 702 // the fun lies in doing everything manually...
682 c.color.red = color.r; 703 c.color.red = color.r;
683 c.color.green = color.g; 704 c.color.green = color.g;
684 c.color.blue = color.b; 705 c.color.blue = color.b;
685 c.color.alpha = color.a; 706 c.color.alpha = alpha;
686 707
687 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) 708 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
688 | insert_component (color.g, format->direct.greenMask, format->direct.green) 709 | insert_component (color.g, format->direct.greenMask, format->direct.green)
689 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 710 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
690 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha); 711 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
691 712
692 return true; 713 return true;
693 } 714 }
694 else 715 else
695 { 716 {
696 XRenderColor d; 717 XRenderColor d;
697 718
698 d.red = color.r; 719 d.red = color.r;
699 d.green = color.g; 720 d.green = color.g;
700 d.blue = color.b; 721 d.blue = color.b;
701 d.alpha = color.a; 722 d.alpha = alpha;
702 723
703 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 724 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
704 } 725 }
705#else 726#else
706 c.red = color.r; 727 c.red = color.r;
707 c.green = color.g; 728 c.green = color.g;
708 c.blue = color.b; 729 c.blue = color.b;
709 730
710 if (screen->visual->c_class == TrueColor) 731 if (screen->visual->c_class == TrueColor)
711 { 732 {
712 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask )) 733 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
713 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask)) 734 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
714 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask )); 735 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
715 736
716 return true; 737 return true;
717 } 738 }
718 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 739 else if (XAllocColor (screen->dpy, screen->cmap, &c))
719 return true; 740 return true;
… …
731{ 752{
732 rgba c; 753 rgba c;
733 char eos; 754 char eos;
734 int skip; 755 int skip;
735 756
757 c.a = rgba::MAX_CC;
758
736 // parse the nonstandard "[alphapercent]" prefix 759 // parse the nonstandard "[alphapercent]" prefix
737 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 760 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
738 { 761 {
739 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 762 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
740 name += skip; 763 name += skip;
741 } 764 }
742 else
743 c.a = rgba::MAX_CC;
744 765
745 // parse the non-standard "#aarrggbb" format
746 if (name[0] == '#' && strlen (name) == 1+2+2+2+2 && 4 == sscanf (name+1, "%2hx%2hx%2hx%2hx%c", &c.a, &c.r, &c.g, &c.b, &eos))
747 {
748 if (c.r)
749 c.r = (c.r << 8) | 0x0ff;
750 if (c.g)
751 c.g = (c.g << 8) | 0x0ff;
752 if (c.b)
753 c.b = (c.b << 8) | 0x0ff;
754 if (c.a)
755 c.a = (c.a << 8) | 0x0ff;
756 }
757 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 766 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
758 else if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos)) 767 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
759 { 768 {
760 XColor xc; 769 XColor xc;
761 770
762 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 771 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
763 { 772 {
… …
883 lerp (c.a, to.a, percent) 892 lerp (c.a, to.a, percent)
884 ) 893 )
885 ); 894 );
886} 895}
887 896
888#if TRACE_PIXMAPS 897rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term, void *cb_sv)
889# undef XCreatePixmap 898: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term), cb_sv (cb_sv)
890# undef XFreePixmap
891Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
892{ 899{
893 Pixmap res = XCreatePixmap (dpy, r, w, h, d); 900 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
894 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::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 X_HAVE_UTF8_STRING
932 selection_type = Sel_UTF8String;
933 if (request (display->xa[XA_UTF8_STRING], selnum))
934 return;
935#else
936 selection_type = Sel_CompoundText;
937 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
938 return;
939#endif
940
941 // fallback to CUT_BUFFER0 if the requested property has no owner
942 handle_selection (display->root, XA_CUT_BUFFER0, false);
943}
944
945void
946rxvt_selection::finish (char *data, unsigned int len)
947{
948 if (term)
949 {
950 if (data)
951 term->paste (data, len);
952
953 term->selection_req = 0;
954 delete this;
955 }
956#if ENABLE_PERL
957 else
958 {
959 stop ();
960 abort (); //TODO
961 }
962#endif
963}
964
965bool
966rxvt_selection::request (Atom target, int selnum)
967{
968 Atom sel;
969
970 selection_type |= selnum;
971
972 if (selnum == Sel_Primary)
973 sel = XA_PRIMARY;
974 else if (selnum == Sel_Secondary)
975 sel = XA_SECONDARY;
976 else
977 sel = display->xa[XA_CLIPBOARD];
978
979 if (XGetSelectionOwner (display->dpy, sel) != None)
980 {
981 XConvertSelection (display->dpy, sel, target, request_prop,
982 request_win, request_time);
983 x_ev.start (display, request_win);
984 timer_ev.again ();
985 return true;
986 }
987
895 return res; 988 return false;
896} 989}
897 990
898void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p) 991void
992rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
899{ 993{
900 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p); 994 Display *dpy = display->dpy;
901 XFreePixmap (dpy,p); 995 char *data = 0;
902} 996 unsigned int data_len = 0;
997 unsigned long bytes_after;
998 XTextProperty ct;
999
1000 // check for failed XConvertSelection
1001 if (prop == None)
1002 {
1003 bool error = true;
1004 int selnum = selection_type & Sel_whereMask;
1005
1006 if (selection_type & Sel_CompoundText)
1007 {
1008 selection_type = 0;
1009 error = !request (XA_STRING, selnum);
1010 }
1011
1012 if (selection_type & Sel_UTF8String)
1013 {
1014 selection_type = Sel_CompoundText;
1015 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1016 }
1017
1018 if (error)
1019 {
1020 ct.value = 0;
1021 goto bailout;
1022 }
1023
1024 return;
1025 }
1026
1027 // length == (2^31 - 1) / 4, as gdk
1028 if (XGetWindowProperty (dpy, win, prop,
1029 0, 0x1fffffff,
1030 delete_prop, AnyPropertyType,
1031 &ct.encoding, &ct.format,
1032 &ct.nitems, &bytes_after,
1033 &ct.value) != Success)
1034 {
1035 ct.value = 0;
1036 goto bailout;
1037 }
1038
1039 if (ct.encoding == None)
1040 goto bailout;
1041
1042 if (ct.value == 0)
1043 goto bailout;
1044
1045 if (ct.encoding == display->xa[XA_INCR])
1046 {
1047 // INCR selection, start handshake
1048 if (!delete_prop)
1049 XDeleteProperty (dpy, win, prop);
1050
1051 selection_wait = Sel_incr;
1052 timer_ev.again ();
1053
1054 goto bailout;
1055 }
1056
1057 if (ct.nitems == 0)
1058 {
1059 if (selection_wait == Sel_incr)
1060 {
1061 XFree (ct.value);
1062
1063 // finally complete, now paste the whole thing
1064 selection_wait = Sel_normal;
1065 ct.value = (unsigned char *)incr_buf;
1066 ct.nitems = incr_buf_fill;
1067 incr_buf = 0;
1068 timer_ev.stop ();
1069 }
1070 else
1071 {
1072 // avoid recursion
1073 if (win != display->root || prop != XA_CUT_BUFFER0)
1074 {
1075 XFree (ct.value);
1076
1077 // fallback to CUT_BUFFER0 if the requested property
1078 // has an owner but is empty
1079 handle_selection (display->root, XA_CUT_BUFFER0, False);
1080 return;
1081 }
1082
1083 goto bailout;
1084 }
1085 }
1086 else if (selection_wait == Sel_incr)
1087 {
1088 timer_ev.again ();
1089
1090 while (incr_buf_fill + ct.nitems > incr_buf_size)
1091 {
1092 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1093 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1094 }
1095
1096 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1097 incr_buf_fill += ct.nitems;
1098
1099 goto bailout;
1100 }
1101
1102 char **cl;
1103 int cr;
1104
1105 // we honour the first item only
1106
1107#if !ENABLE_MINIMAL
1108 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1109 // so recode it manually
1110 if (ct.encoding == display->xa[XA_UTF8_STRING])
1111 {
1112 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1113 data = rxvt_wcstombs (w);
1114 free (w);
1115 }
1116 else
903#endif 1117#endif
1118 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1119 && cl)
1120 {
1121 data = strdup (cl[0]);
1122 XFreeStringList (cl);
1123 }
1124 else
1125 {
1126 // paste raw
1127 data = strdup ((const char *)ct.value);
1128 }
1129
1130 data_len = strlen (data);
1131
1132bailout:
1133 XFree (ct.value);
1134
1135 if (selection_wait == Sel_normal)
1136 {
1137 finish (data, data_len);
1138 free (data);
1139 }
1140}
1141
1142void
1143rxvt_selection::timer_cb (ev::timer &w, int revents)
1144{
1145 if (selection_wait == Sel_incr)
1146 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1147
1148 finish ();
1149}
1150
1151void
1152rxvt_selection::x_cb (XEvent &xev)
1153{
1154 switch (xev.type)
1155 {
1156 case PropertyNotify:
1157 if (selection_wait == Sel_incr
1158 && xev.xproperty.atom == request_prop
1159 && xev.xproperty.state == PropertyNewValue)
1160 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1161 break;
1162
1163 case SelectionNotify:
1164 if (selection_wait == Sel_normal
1165 && xev.xselection.time == request_time
1166 && xev.xselection.property == request_prop)
1167 {
1168 timer_ev.stop ();
1169 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1170 }
1171 break;
1172 }
1173}

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