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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.85 by root, Sun Dec 16 19:44:48 2007 UTC vs.
Revision 1.126 by sf-exg, Wed May 25 08:55:52 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{
… …
505 x_ev.stop (); 514 x_ev.stop ();
506 flush_ev.stop (); 515 flush_ev.stop ();
507#ifdef USE_XIM 516#ifdef USE_XIM
508 xims.clear (); 517 xims.clear ();
509#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
510 XCloseDisplay (dpy); 520 XCloseDisplay (dpy);
511} 521}
512 522
513#ifdef USE_XIM 523#ifdef USE_XIM
514void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
… …
526 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
527 537
528 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
529 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
530 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
531 != Success ) 541 != Success)
532 return; 542 return;
533 543
534 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
535 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
536 if (XGetSelectionOwner (dpy, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
537 { 547 {
538 im_change_cb (); 548 im_change_cb ();
539 break; 549 break;
… …
543} 553}
544#endif 554#endif
545 555
546void rxvt_display::x_cb (ev::io &w, int revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
547{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
548 while (XEventsQueued (dpy, QueuedAfterReading)) 563 while (XEventsQueued (dpy, QueuedAfterFlush))
564 do
549 { 565 {
550 XEvent xev; 566 XEvent xev;
551 XNextEvent (dpy, &xev); 567 XNextEvent (dpy, &xev);
552 568
553#ifdef USE_XIM 569#ifdef USE_XIM
554 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
555 { 571 {
556 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
557 && xev.xany.window == root 573 && xev.xany.window == root
558 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
559 im_change_check (); 575 im_change_check ();
560#endif 576#endif
561 if (xev.type == MappingNotify) 577 if (xev.type == MappingNotify)
562 XRefreshKeyboardMapping (&xev.xmapping); 578 XRefreshKeyboardMapping (&xev.xmapping);
563 579
564 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
565 { 581 {
566 if (!xw[i]) 582 if (!xw[i])
567 xw.erase_unordered (i); 583 xw.erase_unordered (i);
568 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
569 xw[i]->call (xev); 585 xw[i]->call (xev);
570 } 586 }
571#ifdef USE_XIM 587#ifdef USE_XIM
572 } 588 }
573#endif 589#endif
574 } 590 }
575} 591 while (XEventsQueued (dpy, QueuedAlready));
576 592
577void rxvt_display::flush_cb (ev::prepare &w, int revents)
578{
579 w.stop (); 593 w.stop ();
580 XFlush (dpy);
581} 594}
582 595
583void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
584{ 597{
585 if (!w->active) 598 if (!w->active)
… …
596 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
597 w->active = 0; 610 w->active = 0;
598 } 611 }
599} 612}
600 613
601void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
602{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
603 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
604 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
605 624
606 selection_owner = owner; 625 cur_owner = owner;
607} 626}
608 627
609#ifdef USE_XIM 628#ifdef USE_XIM
610 629
611void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
… …
624 int l, m; 643 int l, m;
625 644
626 l = strlen (locale); 645 l = strlen (locale);
627 m = strlen (modifiers); 646 m = strlen (modifiers);
628 647
629 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
630 return 0; 649 return 0;
631 650
632 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
633 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
634 653
635 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
636
637 free (id);
638 655
639 return xim; 656 return xim;
640} 657}
641 658
642void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
… …
668} 685}
669 686
670bool 687bool
671rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
672{ 689{
690 //TODO: only supports 24 bit
691 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
673#if XFT 693#if XFT
674 XRenderPictFormat *format; 694 XRenderPictFormat *format;
675 695
676 // FUCKING Xft gets it wrong, of course, so work around it. 696 // FUCKING Xft gets it wrong, of course, so work around it.
677 // Transparency users should eat shit and die, and then 697 // Transparency users should eat shit and die, and then
… …
681 { 701 {
682 // the fun lies in doing everything manually... 702 // the fun lies in doing everything manually...
683 c.color.red = color.r; 703 c.color.red = color.r;
684 c.color.green = color.g; 704 c.color.green = color.g;
685 c.color.blue = color.b; 705 c.color.blue = color.b;
686 c.color.alpha = color.a; 706 c.color.alpha = alpha;
687 707
708 // Xft wants premultiplied alpha, but abuses the alpha channel
709 // as blend factor, and doesn't allow us to set the alpha channel
710 c.color.red = c.color.red * alpha / 0xffff;
711 c.color.green = c.color.green * alpha / 0xffff;
712 c.color.blue = c.color.blue * alpha / 0xffff;
713
688 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) 714 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
689 | insert_component (color.g, format->direct.greenMask, format->direct.green) 715 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
690 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 716 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
691 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha); 717 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
692 718
693 return true; 719 return true;
694 } 720 }
695 else 721 else
696 { 722 {
697 XRenderColor d; 723 XRenderColor d;
698 724
699 d.red = color.r; 725 d.red = color.r;
700 d.green = color.g; 726 d.green = color.g;
701 d.blue = color.b; 727 d.blue = color.b;
702 d.alpha = color.a; 728 d.alpha = alpha;
703 729
704 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 730 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
705 } 731 }
706#else 732#else
707 c.red = color.r; 733 c.red = color.r;
708 c.green = color.g; 734 c.green = color.g;
709 c.blue = color.b; 735 c.blue = color.b;
710 736
711 if (screen->visual->c_class == TrueColor) 737 if (screen->visual->c_class == TrueColor)
712 { 738 {
713 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask )) 739 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
714 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask)) 740 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
715 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask )); 741 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
716 742
717 return true; 743 return true;
718 } 744 }
719 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 745 else if (XAllocColor (screen->dpy, screen->cmap, &c))
720 return true; 746 return true;
… …
732{ 758{
733 rgba c; 759 rgba c;
734 char eos; 760 char eos;
735 int skip; 761 int skip;
736 762
763 c.a = rgba::MAX_CC;
764
737 // parse the nonstandard "[alphapercent]" prefix 765 // parse the nonstandard "[alphapercent]" prefix
738 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 766 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
739 { 767 {
740 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 768 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
741 name += skip; 769 name += skip;
742 } 770 }
743 else
744 c.a = rgba::MAX_CC;
745 771
746 // parse the non-standard "#aarrggbb" format
747 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))
748 {
749 if (c.r)
750 c.r = (c.r << 8) | 0x0ff;
751 if (c.g)
752 c.g = (c.g << 8) | 0x0ff;
753 if (c.b)
754 c.b = (c.b << 8) | 0x0ff;
755 if (c.a)
756 c.a = (c.a << 8) | 0x0ff;
757 }
758 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 772 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
759 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)) 773 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
760 { 774 {
761 XColor xc; 775 XColor xc;
762 776
763 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 777 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
764 { 778 {
… …
884 lerp (c.a, to.a, percent) 898 lerp (c.a, to.a, percent)
885 ) 899 )
886 ); 900 );
887} 901}
888 902
889#if TRACE_PIXMAPS 903rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
890# undef XCreatePixmap 904: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
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{ 905{
894 Pixmap res = XCreatePixmap (dpy, r, w, h, d); 906 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); 907
908 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
909 timer_ev.repeat = 10.;
910 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
911
912 incr_buf = 0;
913 incr_buf_size = incr_buf_fill = 0;
914 selection_wait = Sel_normal;
915 selection_type = selnum;
916}
917
918void
919rxvt_selection::stop ()
920{
921 free (incr_buf);
922 incr_buf = 0;
923 timer_ev.stop ();
924 x_ev.stop (display);
925}
926
927rxvt_selection::~rxvt_selection ()
928{
929 stop ();
930}
931
932void
933rxvt_selection::run ()
934{
935 int selnum = selection_type;
936
937#if ENABLE_FRILLS
938 if (selnum == Sel_Primary && display->selection_owner)
939 {
940 /* internal selection */
941 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
942 finish (str, strlen (str));
943 free (str);
944 return;
945 }
946#endif
947
948#if X_HAVE_UTF8_STRING
949 selection_type = Sel_UTF8String;
950 if (request (display->xa[XA_UTF8_STRING], selnum))
951 return;
952#else
953 selection_type = Sel_CompoundText;
954 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
955 return;
956#endif
957
958 // fallback to CUT_BUFFER0 if the requested property has no owner
959 handle_selection (display->root, XA_CUT_BUFFER0, false);
960}
961
962void
963rxvt_selection::finish (char *data, unsigned int len)
964{
965 if (term)
966 {
967 if (data)
968 term->paste (data, len);
969
970 term->selection_req = 0;
971 delete this;
972 }
973#if ENABLE_PERL
974 else
975 {
976 stop (); // we do not really trust perl callbacks
977 rxvt_perl.selection_finish (this, data, len);
978 }
979#endif
980}
981
982bool
983rxvt_selection::request (Atom target, int selnum)
984{
985 Atom sel;
986
987 selection_type |= selnum;
988
989 if (selnum == Sel_Primary)
990 sel = XA_PRIMARY;
991 else if (selnum == Sel_Secondary)
992 sel = XA_SECONDARY;
993 else
994 sel = display->xa[XA_CLIPBOARD];
995
996 if (XGetSelectionOwner (display->dpy, sel) != None)
997 {
998 XConvertSelection (display->dpy, sel, target, request_prop,
999 request_win, request_time);
1000 x_ev.start (display, request_win);
1001 timer_ev.again ();
1002 return true;
1003 }
1004
896 return res; 1005 return false;
897} 1006}
898 1007
899void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p) 1008void
1009rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
900{ 1010{
901 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p); 1011 Display *dpy = display->dpy;
902 XFreePixmap (dpy,p); 1012 char *data = 0;
903} 1013 unsigned int data_len = 0;
1014 unsigned long bytes_after;
1015 XTextProperty ct;
1016
1017 // check for failed XConvertSelection
1018 if (prop == None)
1019 {
1020 bool error = true;
1021 int selnum = selection_type & Sel_whereMask;
1022
1023 if (selection_type & Sel_CompoundText)
1024 {
1025 selection_type = 0;
1026 error = !request (XA_STRING, selnum);
1027 }
1028
1029 if (selection_type & Sel_UTF8String)
1030 {
1031 selection_type = Sel_CompoundText;
1032 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1033 }
1034
1035 if (error)
1036 {
1037 ct.value = 0;
1038 goto bailout;
1039 }
1040
1041 return;
1042 }
1043
1044 // length == (2^31 - 1) / 4, as gdk
1045 if (XGetWindowProperty (dpy, win, prop,
1046 0, 0x1fffffff,
1047 delete_prop, AnyPropertyType,
1048 &ct.encoding, &ct.format,
1049 &ct.nitems, &bytes_after,
1050 &ct.value) != Success)
1051 {
1052 ct.value = 0;
1053 goto bailout;
1054 }
1055
1056 if (ct.encoding == None)
1057 goto bailout;
1058
1059 if (ct.value == 0)
1060 goto bailout;
1061
1062 if (ct.encoding == display->xa[XA_INCR])
1063 {
1064 // INCR selection, start handshake
1065 if (!delete_prop)
1066 XDeleteProperty (dpy, win, prop);
1067
1068 selection_wait = Sel_incr;
1069 timer_ev.again ();
1070
1071 goto bailout;
1072 }
1073
1074 if (ct.nitems == 0)
1075 {
1076 if (selection_wait == Sel_incr)
1077 {
1078 XFree (ct.value);
1079
1080 // finally complete, now paste the whole thing
1081 selection_wait = Sel_normal;
1082 ct.value = (unsigned char *)incr_buf;
1083 ct.nitems = incr_buf_fill;
1084 incr_buf = 0;
1085 timer_ev.stop ();
1086 }
1087 else
1088 {
1089 // avoid recursion
1090 if (win != display->root || prop != XA_CUT_BUFFER0)
1091 {
1092 XFree (ct.value);
1093
1094 // fallback to CUT_BUFFER0 if the requested property
1095 // has an owner but is empty
1096 handle_selection (display->root, XA_CUT_BUFFER0, False);
1097 return;
1098 }
1099
1100 goto bailout;
1101 }
1102 }
1103 else if (selection_wait == Sel_incr)
1104 {
1105 timer_ev.again ();
1106
1107 while (incr_buf_fill + ct.nitems > incr_buf_size)
1108 {
1109 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1110 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1111 }
1112
1113 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1114 incr_buf_fill += ct.nitems;
1115
1116 goto bailout;
1117 }
1118
1119 char **cl;
1120 int cr;
1121
1122 // we honour the first item only
1123
1124#if !ENABLE_MINIMAL
1125 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1126 // so recode it manually
1127 if (ct.encoding == display->xa[XA_UTF8_STRING])
1128 {
1129 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1130 data = rxvt_wcstombs (w);
1131 free (w);
1132 }
1133 else
904#endif 1134#endif
1135 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1136 && cl)
1137 {
1138 data = strdup (cl[0]);
1139 XFreeStringList (cl);
1140 }
1141 else
1142 {
1143 // paste raw
1144 data = strdup ((const char *)ct.value);
1145 }
1146
1147 data_len = strlen (data);
1148
1149bailout:
1150 XFree (ct.value);
1151
1152 if (selection_wait == Sel_normal)
1153 {
1154 finish (data, data_len);
1155 free (data);
1156 }
1157}
1158
1159void
1160rxvt_selection::timer_cb (ev::timer &w, int revents)
1161{
1162 if (selection_wait == Sel_incr)
1163 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1164
1165 finish ();
1166}
1167
1168void
1169rxvt_selection::x_cb (XEvent &xev)
1170{
1171 switch (xev.type)
1172 {
1173 case PropertyNotify:
1174 if (selection_wait == Sel_incr
1175 && xev.xproperty.atom == request_prop
1176 && xev.xproperty.state == PropertyNewValue)
1177 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1178 break;
1179
1180 case SelectionNotify:
1181 if (selection_wait == Sel_normal
1182 && xev.xselection.time == request_time)
1183 {
1184 timer_ev.stop ();
1185 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1186 }
1187 break;
1188 }
1189}

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