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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.76 by root, Sun Nov 11 18:05:19 2007 UTC vs.
Revision 1.129 by sf-exg, Mon Jan 2 19:30:50 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) 2003-2006 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;
… …
295 294
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, x_ev (this, &rxvt_display::x_cb)
301, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
302{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
303} 304}
304 305
305XrmDatabase 306XrmDatabase
306rxvt_display::get_resources (bool refresh) 307rxvt_display::get_resources (bool refresh)
307{ 308{
308 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
309 char fname[1024]; 310 char fname[1024];
310 311
311 /* 312 /*
312 * get resources using the X library function 313 * get resources using the X library function
313 */ 314 */
314 char *displayResource, *xe; 315 char *displayResource, *xe;
315 XrmDatabase rdb1, database = 0; 316 XrmDatabase rdb1, database = 0;
316 317
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
322
317 // 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
318 // as opposed to "standard practise", we always read in ~/.Xdefaults 324 // as opposed to "standard practise", we always read in ~/.Xdefaults
319 325
320 // 6. System wide per application default file. 326 // 6. System wide per application default file.
321 327
322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
323 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
324 { 330 {
325 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
326 332
327 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
328 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
359 XA_STRING, &actual_type, &actual_format, 365 XA_STRING, &actual_type, &actual_format,
360 &nitems, &nremaining, 366 &nitems, &nremaining,
361 (unsigned char **)&val) == Success 367 (unsigned char **)&val) == Success
362 && actual_type == XA_STRING 368 && actual_type == XA_STRING
363 && actual_format == 8) 369 && actual_format == 8)
364 displayResource = val; 370 displayResource = val;
365 else 371 else
366 { 372 {
367 displayResource = 0; 373 displayResource = 0;
368 374
369 if (val) 375 if (val)
370 XFree(val); 376 XFree (val);
371 } 377 }
372 378
373#if XLIB_ILLEGAL_ACCESS 379#if XLIB_ILLEGAL_ACCESS
374 dpy->xdefaults = displayResource; 380 dpy->xdefaults = displayResource;
375#endif 381#endif
376 } 382 }
… …
400 XFree (displayResource); 406 XFree (displayResource);
401 } 407 }
402 408
403 // 3. User's per host defaults file 409 // 3. User's per host defaults file
404 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
405 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
406 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
407 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
408 else if (homedir) 414 else if (homedir)
409 { 415 {
410 struct utsname un; 416 struct utsname un;
… …
424bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
425{ 431{
426#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
427 if (id[0] == ':') 433 if (id[0] == ':')
428 { 434 {
429 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
430 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
431 strcat (val, id); 438 strcat (val, id);
432 dpy = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
433 free (val);
434 } 440 }
435 else 441 else
436#endif 442#endif
437 dpy = 0; 443 dpy = 0;
438 444
… …
443 return false; 449 return false;
444 450
445 screen = DefaultScreen (dpy); 451 screen = DefaultScreen (dpy);
446 root = DefaultRootWindow (dpy); 452 root = DefaultRootWindow (dpy);
447 453
448 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ecb_array_length (xa_names) == NUM_XA);
449 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
450 456
451 XrmSetDatabase (dpy, get_resources (false)); 457 XrmSetDatabase (dpy, get_resources (false));
452 458
453#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
… …
461 XUnloadFont (dpy, f); 467 XUnloadFont (dpy, f);
462#endif 468#endif
463 469
464 int fd = XConnectionNumber (dpy); 470 int fd = XConnectionNumber (dpy);
465 471
466 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
467 // assume unix domain socket == local, everything else not 473 // assume unix domain socket == local, everything else not
468 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
469 is_local = 0; 475 is_local = 0;
470 sockaddr_un sa; 476 sockaddr_un sa;
471 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
472 478
473 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
474 is_local = sa.sun_family == AF_UNIX; 480 is_local = sa.sun_family == AF_UNIX;
475 481
482 flush_ev.start ();
476 x_ev.start (fd, ev::READ); 483 x_ev.start (fd, ev::READ);
477 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
478 485
479 XSelectInput (dpy, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
480 487
… …
484} 491}
485 492
486void 493void
487rxvt_display::ref_next () 494rxvt_display::ref_next ()
488{ 495{
489 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
490 // before affording re-loading/parsing 497 // before affording re-loading/parsing
491 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
492 XrmSetDatabase (dpy, get_resources (true)); 503 XrmSetDatabase (dpy, get_resources (true));
493} 504}
494 505
495rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
496{ 507{
… …
499 510
500#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
501 XFreeCursor (dpy, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
502#endif 513#endif
503 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
504#ifdef USE_XIM 516#ifdef USE_XIM
505 xims.clear (); 517 xims.clear ();
506#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
507 XCloseDisplay (dpy); 520 XCloseDisplay (dpy);
508} 521}
509 522
510#ifdef USE_XIM 523#ifdef USE_XIM
511void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
… …
523 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
524 537
525 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
526 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
527 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
528 != Success ) 541 != Success)
529 return; 542 return;
530 543
531 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
532 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
533 if (XGetSelectionOwner (dpy, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
534 { 547 {
535 im_change_cb (); 548 im_change_cb ();
536 break; 549 break;
… …
540} 553}
541#endif 554#endif
542 555
543void rxvt_display::x_cb (ev::io &w, int revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
544{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
545 do 564 do
546 { 565 {
547 XEvent xev; 566 XEvent xev;
548 XNextEvent (dpy, &xev); 567 XNextEvent (dpy, &xev);
549 568
550#ifdef USE_XIM 569#ifdef USE_XIM
551 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
552 { 571 {
553 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
554 && xev.xany.window == root 573 && xev.xany.window == root
555 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
556 im_change_check (); 575 im_change_check ();
557#endif 576#endif
558 if (xev.type == MappingNotify) 577 if (xev.type == MappingNotify)
559 XRefreshKeyboardMapping (&xev.xmapping); 578 XRefreshKeyboardMapping (&xev.xmapping);
560 579
561 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
562 { 581 {
563 if (!xw[i]) 582 if (!xw[i])
564 xw.erase_unordered (i); 583 xw.erase_unordered (i);
565 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
566 xw[i]->call (xev); 585 xw[i]->call (xev);
567 } 586 }
568#ifdef USE_XIM 587#ifdef USE_XIM
569 } 588 }
570#endif 589#endif
571 } 590 }
572 while (XEventsQueued (dpy, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
573 592
574 XFlush (dpy); 593 w.stop ();
575}
576
577void rxvt_display::flush ()
578{
579 if (XEventsQueued (dpy, QueuedAlready))
580 x_cb (x_ev, ev::READ);
581
582 XFlush (dpy);
583} 594}
584 595
585void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
586{ 597{
587 if (!w->active) 598 if (!w->active)
… …
598 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
599 w->active = 0; 610 w->active = 0;
600 } 611 }
601} 612}
602 613
603void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
604{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
605 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
606 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
607 624
608 selection_owner = owner; 625 cur_owner = owner;
609} 626}
610 627
611#ifdef USE_XIM 628#ifdef USE_XIM
612 629
613void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
… …
626 int l, m; 643 int l, m;
627 644
628 l = strlen (locale); 645 l = strlen (locale);
629 m = strlen (modifiers); 646 m = strlen (modifiers);
630 647
631 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
632 return 0; 649 return 0;
633 650
634 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
635 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
636 653
637 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
638
639 free (id);
640 655
641 return xim; 656 return xim;
642} 657}
643 658
644void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
… …
670} 685}
671 686
672bool 687bool
673rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
674{ 689{
690 //TODO: only supports 24 bit
691 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
675#if XFT 693#if XFT
676 XRenderPictFormat *format; 694 XRenderPictFormat *format;
677 695
678 // FUCKING Xft gets it wrong, of course, so work around it. 696 // FUCKING Xft gets it wrong, of course, so work around it.
679 // Transparency users should eat shit and die, and then 697 // Transparency users should eat shit and die, and then
… …
683 { 701 {
684 // the fun lies in doing everything manually... 702 // the fun lies in doing everything manually...
685 c.color.red = color.r; 703 c.color.red = color.r;
686 c.color.green = color.g; 704 c.color.green = color.g;
687 c.color.blue = color.b; 705 c.color.blue = color.b;
688 c.color.alpha = color.a; 706 c.color.alpha = alpha;
689 707
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
690 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 )
691 | insert_component (color.g, format->direct.greenMask, format->direct.green) 715 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
692 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 716 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
693 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha); 717 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
694 718
695 return true; 719 return true;
696 } 720 }
697 else 721 else
698 { 722 {
699 XRenderColor d; 723 XRenderColor d;
700 724
701 d.red = color.r; 725 d.red = color.r;
702 d.green = color.g; 726 d.green = color.g;
703 d.blue = color.b; 727 d.blue = color.b;
704 d.alpha = color.a; 728 d.alpha = alpha;
705 729
706 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 730 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
707 } 731 }
708#else 732#else
709 c.red = color.r; 733 c.red = color.r;
710 c.green = color.g; 734 c.green = color.g;
711 c.blue = color.b; 735 c.blue = color.b;
712 736
713 if (screen->visual->c_class == TrueColor) 737 if (screen->visual->c_class == TrueColor)
714 { 738 {
715 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask )) 739 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
716 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask)) 740 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
717 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask )); 741 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
718 742
719 return true; 743 return true;
720 } 744 }
721 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 745 else if (XAllocColor (screen->dpy, screen->cmap, &c))
722 return true; 746 return true;
… …
734{ 758{
735 rgba c; 759 rgba c;
736 char eos; 760 char eos;
737 int skip; 761 int skip;
738 762
763 c.a = rgba::MAX_CC;
764
739 // parse the nonstandard "[alphapercent]" prefix 765 // parse the nonstandard "[alphapercent]" prefix
740 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 766 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
741 { 767 {
742 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);
743 name += skip; 769 name += skip;
744 } 770 }
745 else
746 c.a = rgba::MAX_CC;
747 771
748 // parse the non-standard "#aarrggbb" format
749 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))
750 {
751 if (c.r)
752 c.r = (c.r << 8) | 0x0ff;
753 if (c.g)
754 c.g = (c.g << 8) | 0x0ff;
755 if (c.b)
756 c.b = (c.b << 8) | 0x0ff;
757 if (c.a)
758 c.a = (c.a << 8) | 0x0ff;
759 }
760 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 772 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
761 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))
762 { 774 {
763 XColor xc; 775 XColor xc;
764 776
765 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 777 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
766 { 778 {
… …
886 lerp (c.a, to.a, percent) 898 lerp (c.a, to.a, percent)
887 ) 899 )
888 ); 900 );
889} 901}
890 902
903rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
904: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
905{
906 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
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 cb_sv = 0;
917}
918
919void
920rxvt_selection::stop ()
921{
922 free (incr_buf);
923 incr_buf = 0;
924 timer_ev.stop ();
925 x_ev.stop (display);
926}
927
928rxvt_selection::~rxvt_selection ()
929{
930 stop ();
931}
932
933void
934rxvt_selection::run ()
935{
936 int selnum = selection_type;
937
938#if ENABLE_FRILLS
939 if (selnum == Sel_Primary && display->selection_owner)
940 {
941 /* internal selection */
942 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
943 finish (str, strlen (str));
944 free (str);
945 return;
946 }
947#endif
948
949#if X_HAVE_UTF8_STRING
950 selection_type = Sel_UTF8String;
951 if (request (display->xa[XA_UTF8_STRING], selnum))
952 return;
953#else
954 selection_type = Sel_CompoundText;
955 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
956 return;
957#endif
958
959 // fallback to CUT_BUFFER0 if the requested property has no owner
960 handle_selection (display->root, XA_CUT_BUFFER0, false);
961}
962
963void
964rxvt_selection::finish (char *data, unsigned int len)
965{
966 if (!cb_sv)
967 {
968 if (data)
969 term->paste (data, len);
970
971 term->selection_req = 0;
972 delete this;
973 }
974#if ENABLE_PERL
975 else
976 {
977 stop (); // we do not really trust perl callbacks
978 rxvt_perl.selection_finish (this, data, len);
979 }
980#endif
981}
982
983bool
984rxvt_selection::request (Atom target, int selnum)
985{
986 Atom sel;
987
988 selection_type |= selnum;
989
990 if (selnum == Sel_Primary)
991 sel = XA_PRIMARY;
992 else if (selnum == Sel_Secondary)
993 sel = XA_SECONDARY;
994 else
995 sel = display->xa[XA_CLIPBOARD];
996
997 if (XGetSelectionOwner (display->dpy, sel) != None)
998 {
999 XConvertSelection (display->dpy, sel, target, request_prop,
1000 request_win, request_time);
1001 x_ev.start (display, request_win);
1002 timer_ev.again ();
1003 return true;
1004 }
1005
1006 return false;
1007}
1008
1009void
1010rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1011{
1012 Display *dpy = display->dpy;
1013 char *data = 0;
1014 unsigned int data_len = 0;
1015 unsigned long bytes_after;
1016 XTextProperty ct;
1017
1018 // check for failed XConvertSelection
1019 if (prop == None)
1020 {
1021 bool error = true;
1022 int selnum = selection_type & Sel_whereMask;
1023
1024 if (selection_type & Sel_CompoundText)
1025 {
1026 selection_type = 0;
1027 error = !request (XA_STRING, selnum);
1028 }
1029
1030 if (selection_type & Sel_UTF8String)
1031 {
1032 selection_type = Sel_CompoundText;
1033 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1034 }
1035
1036 if (error)
1037 {
1038 ct.value = 0;
1039 goto bailout;
1040 }
1041
1042 return;
1043 }
1044
1045 // length == (2^31 - 1) / 4, as gdk
1046 if (XGetWindowProperty (dpy, win, prop,
1047 0, 0x1fffffff,
1048 delete_prop, AnyPropertyType,
1049 &ct.encoding, &ct.format,
1050 &ct.nitems, &bytes_after,
1051 &ct.value) != Success)
1052 {
1053 ct.value = 0;
1054 goto bailout;
1055 }
1056
1057 if (ct.encoding == None)
1058 goto bailout;
1059
1060 if (ct.value == 0)
1061 goto bailout;
1062
1063 if (ct.encoding == display->xa[XA_INCR])
1064 {
1065 // INCR selection, start handshake
1066 if (!delete_prop)
1067 XDeleteProperty (dpy, win, prop);
1068
1069 selection_wait = Sel_incr;
1070 timer_ev.again ();
1071
1072 goto bailout;
1073 }
1074
1075 if (ct.nitems == 0)
1076 {
1077 if (selection_wait == Sel_incr)
1078 {
1079 XFree (ct.value);
1080
1081 // finally complete, now paste the whole thing
1082 selection_wait = Sel_normal;
1083 ct.value = (unsigned char *)incr_buf;
1084 ct.nitems = incr_buf_fill;
1085 incr_buf = 0;
1086 timer_ev.stop ();
1087 }
1088 else
1089 {
1090 // avoid recursion
1091 if (win != display->root || prop != XA_CUT_BUFFER0)
1092 {
1093 XFree (ct.value);
1094
1095 // fallback to CUT_BUFFER0 if the requested property
1096 // has an owner but is empty
1097 handle_selection (display->root, XA_CUT_BUFFER0, False);
1098 return;
1099 }
1100
1101 goto bailout;
1102 }
1103 }
1104 else if (selection_wait == Sel_incr)
1105 {
1106 timer_ev.again ();
1107
1108 while (incr_buf_fill + ct.nitems > incr_buf_size)
1109 {
1110 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1111 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1112 }
1113
1114 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1115 incr_buf_fill += ct.nitems;
1116
1117 goto bailout;
1118 }
1119
1120 char **cl;
1121 int cr;
1122
1123 // we honour the first item only
1124
1125#if !ENABLE_MINIMAL
1126 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1127 // so recode it manually
1128 if (ct.encoding == display->xa[XA_UTF8_STRING])
1129 {
1130 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1131 data = rxvt_wcstombs (w);
1132 free (w);
1133 }
1134 else
1135#endif
1136 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1137 && cl)
1138 {
1139 data = strdup (cl[0]);
1140 XFreeStringList (cl);
1141 }
1142 else
1143 {
1144 // paste raw
1145 data = strdup ((const char *)ct.value);
1146 }
1147
1148 data_len = strlen (data);
1149
1150bailout:
1151 XFree (ct.value);
1152
1153 if (selection_wait == Sel_normal)
1154 {
1155 finish (data, data_len);
1156 free (data);
1157 }
1158}
1159
1160void
1161rxvt_selection::timer_cb (ev::timer &w, int revents)
1162{
1163 if (selection_wait == Sel_incr)
1164 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1165
1166 finish ();
1167}
1168
1169void
1170rxvt_selection::x_cb (XEvent &xev)
1171{
1172 switch (xev.type)
1173 {
1174 case PropertyNotify:
1175 if (selection_wait == Sel_incr
1176 && xev.xproperty.atom == request_prop
1177 && xev.xproperty.state == PropertyNewValue)
1178 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1179 break;
1180
1181 case SelectionNotify:
1182 if (selection_wait == Sel_normal
1183 && xev.xselection.time == request_time)
1184 {
1185 timer_ev.stop ();
1186 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1187 }
1188 break;
1189 }
1190}

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