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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.86 by root, Mon Dec 24 08:00:18 2007 UTC vs.
Revision 1.131 by root, Fri Feb 24 07:10:54 2012 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 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
436
431 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
432 strcat (val, id); 438 strcat (val, id);
439
433 dpy = XOpenDisplay (val); 440 dpy = XOpenDisplay (val);
434 free (val);
435 } 441 }
436 else 442 else
437#endif 443#endif
438 dpy = 0; 444 dpy = 0;
439 445
… …
444 return false; 450 return false;
445 451
446 screen = DefaultScreen (dpy); 452 screen = DefaultScreen (dpy);
447 root = DefaultRootWindow (dpy); 453 root = DefaultRootWindow (dpy);
448 454
449 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 455 assert (ecb_array_length (xa_names) == NUM_XA);
450 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 456 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
451 457
452 XrmSetDatabase (dpy, get_resources (false)); 458 XrmSetDatabase (dpy, get_resources (false));
453 459
454#ifdef POINTER_BLANK 460#ifdef POINTER_BLANK
… …
462 XUnloadFont (dpy, f); 468 XUnloadFont (dpy, f);
463#endif 469#endif
464 470
465 int fd = XConnectionNumber (dpy); 471 int fd = XConnectionNumber (dpy);
466 472
467 // try to detect wether we have a local connection. 473 // try to detect whether we have a local connection.
468 // assume unix domain socket == local, everything else not 474 // assume unix domain socket == local, everything else not
469 // TODO: might want to check for inet/127.0.0.1 475 // TODO: might want to check for inet/127.0.0.1
470 is_local = 0; 476 is_local = 0;
471 sockaddr_un sa; 477 sockaddr_un sa;
472 socklen_t sl = sizeof (sa); 478 socklen_t sl = sizeof (sa);
… …
486} 492}
487 493
488void 494void
489rxvt_display::ref_next () 495rxvt_display::ref_next ()
490{ 496{
491 // TODO: somehow check wether the database files/resources changed 497 // TODO: somehow check whether the database files/resources changed
492 // before affording re-loading/parsing 498 // before affording re-loading/parsing
493 XrmDestroyDatabase (XrmGetDatabase (dpy)); 499 XrmDestroyDatabase (XrmGetDatabase (dpy));
500#if XLIB_ILLEGAL_ACCESS
501 /* work around a bug in XrmSetDatabase where it frees the db */
502 dpy->db = 0;
503#endif
494 XrmSetDatabase (dpy, get_resources (true)); 504 XrmSetDatabase (dpy, get_resources (true));
495} 505}
496 506
497rxvt_display::~rxvt_display () 507rxvt_display::~rxvt_display ()
498{ 508{
… …
505 x_ev.stop (); 515 x_ev.stop ();
506 flush_ev.stop (); 516 flush_ev.stop ();
507#ifdef USE_XIM 517#ifdef USE_XIM
508 xims.clear (); 518 xims.clear ();
509#endif 519#endif
520 XrmDestroyDatabase (XrmGetDatabase (dpy));
510 XCloseDisplay (dpy); 521 XCloseDisplay (dpy);
511} 522}
512 523
513#ifdef USE_XIM 524#ifdef USE_XIM
514void rxvt_display::im_change_cb () 525void rxvt_display::im_change_cb ()
… …
526 unsigned long nitems, bytes_after; 537 unsigned long nitems, bytes_after;
527 538
528 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 539 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
529 False, XA_ATOM, &actual_type, &actual_format, 540 False, XA_ATOM, &actual_type, &actual_format,
530 &nitems, &bytes_after, (unsigned char **)&atoms) 541 &nitems, &bytes_after, (unsigned char **)&atoms)
531 != Success ) 542 != Success)
532 return; 543 return;
533 544
534 if (actual_type == XA_ATOM && actual_format == 32) 545 if (actual_type == XA_ATOM && actual_format == 32)
535 for (int i = 0; i < nitems; i++) 546 for (int i = 0; i < nitems; i++)
536 if (XGetSelectionOwner (dpy, atoms[i])) 547 if (XGetSelectionOwner (dpy, atoms[i]))
537 { 548 {
538 im_change_cb (); 549 im_change_cb ();
539 break; 550 break;
… …
543} 554}
544#endif 555#endif
545 556
546void rxvt_display::x_cb (ev::io &w, int revents) 557void rxvt_display::x_cb (ev::io &w, int revents)
547{ 558{
559 flush_ev.start ();
560}
561
562void rxvt_display::flush_cb (ev::prepare &w, int revents)
563{
548 while (XEventsQueued (dpy, QueuedAfterReading)) 564 while (XEventsQueued (dpy, QueuedAfterFlush))
565 do
549 { 566 {
550 XEvent xev; 567 XEvent xev;
551 XNextEvent (dpy, &xev); 568 XNextEvent (dpy, &xev);
552 569
553#ifdef USE_XIM 570#ifdef USE_XIM
554 if (!XFilterEvent (&xev, None)) 571 if (!XFilterEvent (&xev, None))
555 { 572 {
556 if (xev.type == PropertyNotify 573 if (xev.type == PropertyNotify
557 && xev.xany.window == root 574 && xev.xany.window == root
558 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 575 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
559 im_change_check (); 576 im_change_check ();
560#endif 577#endif
561 if (xev.type == MappingNotify) 578 if (xev.type == MappingNotify)
562 XRefreshKeyboardMapping (&xev.xmapping); 579 XRefreshKeyboardMapping (&xev.xmapping);
563 580
564 for (int i = xw.size (); i--; ) 581 for (int i = xw.size (); i--; )
565 { 582 {
566 if (!xw[i]) 583 if (!xw[i])
567 xw.erase_unordered (i); 584 xw.erase_unordered (i);
568 else if (xw[i]->window == xev.xany.window) 585 else if (xw[i]->window == xev.xany.window)
569 xw[i]->call (xev); 586 xw[i]->call (xev);
570 } 587 }
571#ifdef USE_XIM 588#ifdef USE_XIM
572 } 589 }
573#endif 590#endif
574 } 591 }
575} 592 while (XEventsQueued (dpy, QueuedAlready));
576 593
577void rxvt_display::flush_cb (ev::prepare &w, int revents)
578{
579 w.stop (); 594 w.stop ();
580 XFlush (dpy);
581} 595}
582 596
583void rxvt_display::reg (xevent_watcher *w) 597void rxvt_display::reg (xevent_watcher *w)
584{ 598{
585 if (!w->active) 599 if (!w->active)
… …
596 xw[w->active - 1] = 0; 610 xw[w->active - 1] = 0;
597 w->active = 0; 611 w->active = 0;
598 } 612 }
599} 613}
600 614
601void rxvt_display::set_selection_owner (rxvt_term *owner) 615void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
602{ 616{
617 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
618
603 if (selection_owner && selection_owner != owner) 619 if (cur_owner && cur_owner != owner)
604 { 620 {
605 selection_owner->selection_clear (); 621 rxvt_term *term = cur_owner;
622 term->selection_clear (clipboard);
606 flush (); 623 term->flush ();
607 } 624 }
608 625
609 selection_owner = owner; 626 cur_owner = owner;
610} 627}
611 628
612#ifdef USE_XIM 629#ifdef USE_XIM
613 630
614void rxvt_display::reg (im_watcher *w) 631void rxvt_display::reg (im_watcher *w)
… …
627 int l, m; 644 int l, m;
628 645
629 l = strlen (locale); 646 l = strlen (locale);
630 m = strlen (modifiers); 647 m = strlen (modifiers);
631 648
632 if (!(id = (char *)malloc (l + m + 2))) 649 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
633 return 0; 650 return 0;
634 651
635 memcpy (id, locale, l); id[l] = '\n'; 652 memcpy (id, locale, l); id[l] = '\n';
636 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 653 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
637 654
638 rxvt_xim *xim = xims.get (id); 655 rxvt_xim *xim = xims.get (id);
639
640 free (id);
641 656
642 return xim; 657 return xim;
643} 658}
644 659
645void rxvt_display::put_xim (rxvt_xim *xim) 660void rxvt_display::put_xim (rxvt_xim *xim)
… …
671} 686}
672 687
673bool 688bool
674rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 689rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
675{ 690{
691 //TODO: only supports 24 bit
692 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
693
676#if XFT 694#if XFT
677 XRenderPictFormat *format; 695 XRenderPictFormat *format;
678 696
679 // FUCKING Xft gets it wrong, of course, so work around it. 697 // FUCKING Xft gets it wrong, of course, so work around it.
680 // Transparency users should eat shit and die, and then 698 // Transparency users should eat shit and die, and then
… …
684 { 702 {
685 // the fun lies in doing everything manually... 703 // the fun lies in doing everything manually...
686 c.color.red = color.r; 704 c.color.red = color.r;
687 c.color.green = color.g; 705 c.color.green = color.g;
688 c.color.blue = color.b; 706 c.color.blue = color.b;
689 c.color.alpha = color.a; 707 c.color.alpha = alpha;
690 708
709 // Xft wants premultiplied alpha, but abuses the alpha channel
710 // as blend factor, and doesn't allow us to set the alpha channel
711 c.color.red = c.color.red * alpha / 0xffff;
712 c.color.green = c.color.green * alpha / 0xffff;
713 c.color.blue = c.color.blue * alpha / 0xffff;
714
691 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) 715 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
692 | insert_component (color.g, format->direct.greenMask, format->direct.green) 716 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
693 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 717 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
694 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha); 718 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
695 719
696 return true; 720 return true;
697 } 721 }
698 else 722 else
699 { 723 {
700 XRenderColor d; 724 XRenderColor d;
701 725
702 d.red = color.r; 726 d.red = color.r;
703 d.green = color.g; 727 d.green = color.g;
704 d.blue = color.b; 728 d.blue = color.b;
705 d.alpha = color.a; 729 d.alpha = alpha;
706 730
707 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 731 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
732 return true;
708 } 733 }
709#else 734#else
710 c.red = color.r; 735 c.red = color.r;
711 c.green = color.g; 736 c.green = color.g;
712 c.blue = color.b; 737 c.blue = color.b;
713 738
714 if (screen->visual->c_class == TrueColor) 739 if (screen->visual->c_class == TrueColor)
715 { 740 {
716 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask )) 741 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
717 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask)) 742 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
718 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask )); 743 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
719 744
720 return true; 745 return true;
721 } 746 }
722 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 747 else if (XAllocColor (screen->dpy, screen->cmap, &c))
723 return true; 748 return true;
724 else 749#endif
750
725 c.pixel = (color.r + color.g + color.b) > 128*3 751 c.pixel = (color.r + color.g + color.b) > 128*3
726 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) 752 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
727 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); 753 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
728#endif
729 754
730 return false; 755 return false;
731} 756}
732 757
733bool 758bool
… …
735{ 760{
736 rgba c; 761 rgba c;
737 char eos; 762 char eos;
738 int skip; 763 int skip;
739 764
765 c.a = rgba::MAX_CC;
766
740 // parse the nonstandard "[alphapercent]" prefix 767 // parse the nonstandard "[alphapercent]" prefix
741 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 768 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
742 { 769 {
743 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 770 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
744 name += skip; 771 name += skip;
745 } 772 }
746 else
747 c.a = rgba::MAX_CC;
748 773
749 // parse the non-standard "#aarrggbb" format
750 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))
751 {
752 if (c.r)
753 c.r = (c.r << 8) | 0x0ff;
754 if (c.g)
755 c.g = (c.g << 8) | 0x0ff;
756 if (c.b)
757 c.b = (c.b << 8) | 0x0ff;
758 if (c.a)
759 c.a = (c.a << 8) | 0x0ff;
760 }
761 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 774 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
762 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)) 775 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
763 { 776 {
764 XColor xc; 777 XColor xc;
765 778
766 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 779 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
767 { 780 {
… …
887 lerp (c.a, to.a, percent) 900 lerp (c.a, to.a, percent)
888 ) 901 )
889 ); 902 );
890} 903}
891 904
892#if TRACE_PIXMAPS 905rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
893# undef XCreatePixmap 906: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
894# undef XFreePixmap
895Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
896{ 907{
897 Pixmap res = XCreatePixmap (dpy, r, w, h, d); 908 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
898 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res); 909
910 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
911 timer_ev.repeat = 10.;
912 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
913
914 incr_buf = 0;
915 incr_buf_size = incr_buf_fill = 0;
916 selection_wait = Sel_normal;
917 selection_type = selnum;
918 cb_sv = 0;
919}
920
921void
922rxvt_selection::stop ()
923{
924 free (incr_buf);
925 incr_buf = 0;
926 timer_ev.stop ();
927 x_ev.stop (display);
928}
929
930rxvt_selection::~rxvt_selection ()
931{
932 stop ();
933}
934
935void
936rxvt_selection::run ()
937{
938 int selnum = selection_type;
939
940#if ENABLE_FRILLS
941 if (selnum == Sel_Primary && display->selection_owner)
942 {
943 /* internal selection */
944 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
945 finish (str, strlen (str));
946 free (str);
947 return;
948 }
949#endif
950
951#if X_HAVE_UTF8_STRING
952 selection_type = Sel_UTF8String;
953 if (request (display->xa[XA_UTF8_STRING], selnum))
954 return;
955#else
956 selection_type = Sel_CompoundText;
957 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
958 return;
959#endif
960
961 // fallback to CUT_BUFFER0 if the requested property has no owner
962 handle_selection (display->root, XA_CUT_BUFFER0, false);
963}
964
965void
966rxvt_selection::finish (char *data, unsigned int len)
967{
968 if (!cb_sv)
969 {
970 if (data)
971 term->paste (data, len);
972
973 term->selection_req = 0;
974 delete this;
975 }
976#if ENABLE_PERL
977 else
978 {
979 stop (); // we do not really trust perl callbacks
980 rxvt_perl.selection_finish (this, data, len);
981 }
982#endif
983}
984
985bool
986rxvt_selection::request (Atom target, int selnum)
987{
988 Atom sel;
989
990 selection_type |= selnum;
991
992 if (selnum == Sel_Primary)
993 sel = XA_PRIMARY;
994 else if (selnum == Sel_Secondary)
995 sel = XA_SECONDARY;
996 else
997 sel = display->xa[XA_CLIPBOARD];
998
999 if (XGetSelectionOwner (display->dpy, sel) != None)
1000 {
1001 XConvertSelection (display->dpy, sel, target, request_prop,
1002 request_win, request_time);
1003 x_ev.start (display, request_win);
1004 timer_ev.again ();
1005 return true;
1006 }
1007
899 return res; 1008 return false;
900} 1009}
901 1010
902void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p) 1011void
1012rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
903{ 1013{
904 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p); 1014 Display *dpy = display->dpy;
905 XFreePixmap (dpy,p); 1015 char *data = 0;
906} 1016 unsigned int data_len = 0;
1017 unsigned long bytes_after;
1018 XTextProperty ct;
1019
1020 // check for failed XConvertSelection
1021 if (prop == None)
1022 {
1023 bool error = true;
1024 int selnum = selection_type & Sel_whereMask;
1025
1026 if (selection_type & Sel_CompoundText)
1027 {
1028 selection_type = 0;
1029 error = !request (XA_STRING, selnum);
1030 }
1031
1032 if (selection_type & Sel_UTF8String)
1033 {
1034 selection_type = Sel_CompoundText;
1035 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1036 }
1037
1038 if (error)
1039 {
1040 ct.value = 0;
1041 goto bailout;
1042 }
1043
1044 return;
1045 }
1046
1047 // length == (2^31 - 1) / 4, as gdk
1048 if (XGetWindowProperty (dpy, win, prop,
1049 0, 0x1fffffff,
1050 delete_prop, AnyPropertyType,
1051 &ct.encoding, &ct.format,
1052 &ct.nitems, &bytes_after,
1053 &ct.value) != Success)
1054 {
1055 ct.value = 0;
1056 goto bailout;
1057 }
1058
1059 if (ct.encoding == None)
1060 goto bailout;
1061
1062 if (ct.value == 0)
1063 goto bailout;
1064
1065 if (ct.encoding == display->xa[XA_INCR])
1066 {
1067 // INCR selection, start handshake
1068 if (!delete_prop)
1069 XDeleteProperty (dpy, win, prop);
1070
1071 selection_wait = Sel_incr;
1072 timer_ev.again ();
1073
1074 goto bailout;
1075 }
1076
1077 if (ct.nitems == 0)
1078 {
1079 if (selection_wait == Sel_incr)
1080 {
1081 XFree (ct.value);
1082
1083 // finally complete, now paste the whole thing
1084 selection_wait = Sel_normal;
1085 ct.value = (unsigned char *)incr_buf;
1086 ct.nitems = incr_buf_fill;
1087 incr_buf = 0;
1088 timer_ev.stop ();
1089 }
1090 else
1091 {
1092 // avoid recursion
1093 if (win != display->root || prop != XA_CUT_BUFFER0)
1094 {
1095 XFree (ct.value);
1096
1097 // fallback to CUT_BUFFER0 if the requested property
1098 // has an owner but is empty
1099 handle_selection (display->root, XA_CUT_BUFFER0, False);
1100 return;
1101 }
1102
1103 goto bailout;
1104 }
1105 }
1106 else if (selection_wait == Sel_incr)
1107 {
1108 timer_ev.again ();
1109
1110 while (incr_buf_fill + ct.nitems > incr_buf_size)
1111 {
1112 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1113 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1114 }
1115
1116 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1117 incr_buf_fill += ct.nitems;
1118
1119 goto bailout;
1120 }
1121
1122 char **cl;
1123 int cr;
1124
1125 // we honour the first item only
1126
1127#if !ENABLE_MINIMAL
1128 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1129 // so recode it manually
1130 if (ct.encoding == display->xa[XA_UTF8_STRING])
1131 {
1132 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1133 data = rxvt_wcstombs (w);
1134 free (w);
1135 }
1136 else
907#endif 1137#endif
1138 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1139 && cl)
1140 {
1141 data = strdup (cl[0]);
1142 XFreeStringList (cl);
1143 }
1144 else
1145 {
1146 // paste raw
1147 data = strdup ((const char *)ct.value);
1148 }
1149
1150 data_len = strlen (data);
1151
1152bailout:
1153 XFree (ct.value);
1154
1155 if (selection_wait == Sel_normal)
1156 {
1157 finish (data, data_len);
1158 free (data);
1159 }
1160}
1161
1162void
1163rxvt_selection::timer_cb (ev::timer &w, int revents)
1164{
1165 if (selection_wait == Sel_incr)
1166 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1167
1168 finish ();
1169}
1170
1171void
1172rxvt_selection::x_cb (XEvent &xev)
1173{
1174 switch (xev.type)
1175 {
1176 case PropertyNotify:
1177 if (selection_wait == Sel_incr
1178 && xev.xproperty.atom == request_prop
1179 && xev.xproperty.state == PropertyNewValue)
1180 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1181 break;
1182
1183 case SelectionNotify:
1184 if (selection_wait == Sel_normal
1185 && xev.xselection.time == request_time)
1186 {
1187 timer_ev.stop ();
1188 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1189 }
1190 break;
1191 }
1192}

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