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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.70 by sasha, Thu Jul 12 22:33:16 2007 UTC vs.
Revision 1.117 by sf-exg, Sat Feb 12 00:30:00 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) 2003-2006 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>
7 * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
… …
33 34
34#if XFT 35#if XFT
35# include <X11/extensions/Xrender.h> 36# include <X11/extensions/Xrender.h>
36#endif 37#endif
37 38
38const char *const xa_names[] = 39static const char *const xa_names[] =
39{ 40{
40 "TEXT", 41 "TEXT",
41 "COMPOUND_TEXT", 42 "COMPOUND_TEXT",
42 "UTF8_STRING", 43 "UTF8_STRING",
43 "MULTIPLE", 44 "MULTIPLE",
… …
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
… …
183 185
184 XIMCallback ximcallback; 186 XIMCallback ximcallback;
185 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
186 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
187 189
188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
189 191
190 return true; 192 return true;
191} 193}
192 194
193rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
… …
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 (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 domains 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, EVENT_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
481 flush (); 488 flush ();
… …
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;
… …
538 551
539 XFree (atoms); 552 XFree (atoms);
540} 553}
541#endif 554#endif
542 555
543void rxvt_display::x_cb (io_watcher &w, short 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, EVENT_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)
… …
666static unsigned int 681static unsigned int
667insert_component (unsigned int value, unsigned int mask, unsigned int shift) 682insert_component (unsigned int value, unsigned int mask, unsigned int shift)
668{ 683{
669 return (value * (mask + 1) >> 16) << shift; 684 return (value * (mask + 1) >> 16) << shift;
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 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
690 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 )
691 | insert_component (color.g, format->direct.greenMask, format->direct.green) 709 | insert_component (color.g, format->direct.greenMask, format->direct.green)
692 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 710 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
693 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha); 711 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
694 712
695 return true; 713 return true;
696 } 714 }
697 else 715 else
698 { 716 {
699 XRenderColor d; 717 XRenderColor d;
700 718
701 d.red = color.r; 719 d.red = color.r;
702 d.green = color.g; 720 d.green = color.g;
703 d.blue = color.b; 721 d.blue = color.b;
704 d.alpha = color.a; 722 d.alpha = alpha;
705 723
706 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 724 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
707 } 725 }
708#else 726#else
709 c.red = color.r; 727 c.red = color.r;
710 c.green = color.g; 728 c.green = color.g;
711 c.blue = color.b; 729 c.blue = color.b;
712 730
713 if (screen->visual->c_class == TrueColor) 731 if (screen->visual->c_class == TrueColor)
714 { 732 {
715 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 ))
716 | (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))
717 | (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 ));
718 736
719 return true; 737 return true;
720 } 738 }
721 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 739 else if (XAllocColor (screen->dpy, screen->cmap, &c))
722 return true; 740 return true;
… …
734{ 752{
735 rgba c; 753 rgba c;
736 char eos; 754 char eos;
737 int skip; 755 int skip;
738 756
757 c.a = rgba::MAX_CC;
758
739 // parse the nonstandard "[alphapercent]" prefix 759 // parse the nonstandard "[alphapercent]" prefix
740 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 760 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
741 { 761 {
742 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);
743 name += skip; 763 name += skip;
744 } 764 }
745 else
746 c.a = rgba::MAX_CC;
747 765
748 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 766 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
749 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))
750 { 768 {
751 XColor xc, xc_exact; 769 XColor xc;
752 770
753 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 771 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
754 { 772 {
755 c.r = xc.red; 773 c.r = xc.red;
756 c.g = xc.green; 774 c.g = xc.green;
… …
783 { 801 {
784 XColor *colors = new XColor [screen->visual->map_entries]; 802 XColor *colors = new XColor [screen->visual->map_entries];
785 803
786 for (int i = 0; i < cmap_size; i++) 804 for (int i = 0; i < cmap_size; i++)
787 colors [i].pixel = i; 805 colors [i].pixel = i;
788 806
789 // many kilobytes transfer per colour, but pseudocolor isn't worth 807 // many kilobytes transfer per colour, but pseudocolor isn't worth
790 // many extra optimisations. 808 // many extra optimisations.
791 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); 809 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
792 810
793 int diff = 0x7fffffffUL; 811 int diff = 0x7fffffffUL;
… …
806 } 824 }
807 } 825 }
808 826
809 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 827 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
810 // color.r, color.g, color.b, best->red, best->green, best->blue, diff); 828 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
811 829
812 got = alloc (screen, rgba (best->red, best->green, best->blue)); 830 got = alloc (screen, rgba (best->red, best->green, best->blue));
813 831
814 delete [] colors; 832 delete [] colors;
815 } 833 }
816#endif 834#endif
… …
844 color.green = c.g; 862 color.green = c.g;
845 color.blue = c.b; 863 color.blue = c.b;
846 color.pixel = (Pixel)*this; 864 color.pixel = (Pixel)*this;
847} 865}
848 866
849void 867void
850rxvt_color::free (rxvt_screen *screen) 868rxvt_color::free (rxvt_screen *screen)
851{ 869{
852 if (screen->visual->c_class == TrueColor) 870 if (screen->visual->c_class == TrueColor)
853 return; // nothing to do 871 return; // nothing to do
854 872
… …
874 lerp (c.a, to.a, percent) 892 lerp (c.a, to.a, percent)
875 ) 893 )
876 ); 894 );
877} 895}
878 896
897rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, sel_cb cb, void *ptr)
898: display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr)
899{
900 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
901
902 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
903 timer_ev.repeat = 10.;
904 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
905
906 incr_buf = 0;
907 incr_buf_size = incr_buf_fill = 0;
908 selection_wait = Sel_normal;
909 selection_type = selnum;
910}
911
912void
913rxvt_selection::run ()
914{
915 int selnum = selection_type;
916
917#if X_HAVE_UTF8_STRING
918 selection_type = Sel_UTF8String;
919 if (request (display->xa[XA_UTF8_STRING], selnum))
920 return;
921#else
922 selection_type = Sel_CompoundText;
923 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
924 return;
925#endif
926
927 // fallback to CUT_BUFFER0 if the requested property has no owner
928 handle_selection (display->root, XA_CUT_BUFFER0, false);
929}
930
931rxvt_selection::~rxvt_selection ()
932{
933 stop ();
934}
935
936void
937rxvt_selection::stop ()
938{
939 free (incr_buf);
940 incr_buf = 0;
941 timer_ev.stop ();
942 x_ev.stop (display);
943}
944
945bool
946rxvt_selection::request (Atom target, int selnum)
947{
948 Atom sel;
949
950 selection_type |= selnum;
951
952 if (selnum == Sel_Primary)
953 sel = XA_PRIMARY;
954 else if (selnum == Sel_Secondary)
955 sel = XA_SECONDARY;
956 else
957 sel = display->xa[XA_CLIPBOARD];
958
959 if (XGetSelectionOwner (display->dpy, sel) != None)
960 {
961 XConvertSelection (display->dpy, sel, target, request_prop,
962 request_win, request_time);
963 x_ev.start (display, request_win);
964 timer_ev.again ();
965 return true;
966 }
967
968 return false;
969}
970
971void
972rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
973{
974 Display *dpy = display->dpy;
975 char *data = 0;
976 unsigned int data_len = 0;
977 unsigned long bytes_after;
978 XTextProperty ct;
979
980 // check for failed XConvertSelection
981 if (prop == None)
982 {
983 bool error = true;
984 int selnum = selection_type & Sel_whereMask;
985
986 if (selection_type & Sel_CompoundText)
987 {
988 selection_type = 0;
989 error = !request (XA_STRING, selnum);
990 }
991
992 if (selection_type & Sel_UTF8String)
993 {
994 selection_type = Sel_CompoundText;
995 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
996 }
997
998 if (error)
999 {
1000 ct.value = 0;
1001 goto bailout;
1002 }
1003
1004 return;
1005 }
1006
1007 // length == (2^31 - 1) / 4, as gdk
1008 if (XGetWindowProperty (dpy, win, prop,
1009 0, 0x1fffffff,
1010 delete_prop, AnyPropertyType,
1011 &ct.encoding, &ct.format,
1012 &ct.nitems, &bytes_after,
1013 &ct.value) != Success)
1014 {
1015 ct.value = 0;
1016 goto bailout;
1017 }
1018
1019 if (ct.encoding == None)
1020 goto bailout;
1021
1022 if (ct.value == 0)
1023 goto bailout;
1024
1025 if (ct.encoding == display->xa[XA_INCR])
1026 {
1027 // INCR selection, start handshake
1028 if (!delete_prop)
1029 XDeleteProperty (dpy, win, prop);
1030
1031 selection_wait = Sel_incr;
1032 timer_ev.again ();
1033
1034 goto bailout;
1035 }
1036
1037 if (ct.nitems == 0)
1038 {
1039 if (selection_wait == Sel_incr)
1040 {
1041 XFree (ct.value);
1042
1043 // finally complete, now paste the whole thing
1044 selection_wait = Sel_normal;
1045 ct.value = (unsigned char *)incr_buf;
1046 ct.nitems = incr_buf_fill;
1047 incr_buf = 0;
1048 timer_ev.stop ();
1049 }
1050 else
1051 {
1052 // avoid recursion
1053 if (win != display->root || prop != XA_CUT_BUFFER0)
1054 {
1055 XFree (ct.value);
1056
1057 // fallback to CUT_BUFFER0 if the requested property
1058 // has an owner but is empty
1059 handle_selection (display->root, XA_CUT_BUFFER0, False);
1060 return;
1061 }
1062
1063 goto bailout;
1064 }
1065 }
1066 else if (selection_wait == Sel_incr)
1067 {
1068 timer_ev.again ();
1069
1070 while (incr_buf_fill + ct.nitems > incr_buf_size)
1071 {
1072 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1073 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1074 }
1075
1076 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1077 incr_buf_fill += ct.nitems;
1078
1079 goto bailout;
1080 }
1081
1082 char **cl;
1083 int cr;
1084
1085 // we honour the first item only
1086
1087#if !ENABLE_MINIMAL
1088 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1089 // so recode it manually
1090 if (ct.encoding == display->xa[XA_UTF8_STRING])
1091 {
1092 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1093 data = rxvt_wcstombs (w);
1094 free (w);
1095 }
1096 else
1097#endif
1098 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1099 && cl)
1100 {
1101 data = strdup (cl[0]);
1102 XFreeStringList (cl);
1103 }
1104 else
1105 {
1106 // paste raw
1107 data = strdup ((const char *)ct.value);
1108 }
1109
1110 data_len = strlen (data);
1111
1112bailout:
1113 XFree (ct.value);
1114
1115 if (selection_wait == Sel_normal)
1116 {
1117 stop ();
1118 request_cb (data, data_len, this, user_data);
1119 free (data);
1120 }
1121}
1122
1123void
1124rxvt_selection::timer_cb (ev::timer &w, int revents)
1125{
1126 if (selection_wait == Sel_incr)
1127 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1128
1129 stop ();
1130 request_cb (NULL, 0, this, user_data);
1131}
1132
1133void
1134rxvt_selection::x_cb (XEvent &xev)
1135{
1136 switch (xev.type)
1137 {
1138 case PropertyNotify:
1139 if (selection_wait == Sel_incr
1140 && xev.xproperty.atom == request_prop
1141 && xev.xproperty.state == PropertyNewValue)
1142 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1143 break;
1144
1145 case SelectionNotify:
1146 if (selection_wait == Sel_normal
1147 && xev.xselection.time == request_time
1148 && xev.xselection.property == request_prop)
1149 {
1150 timer_ev.stop ();
1151 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1152 }
1153 break;
1154 }
1155}

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