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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.67 by ayin, Mon Jun 25 23:27:18 2007 UTC vs.
Revision 1.115 by sf-exg, Fri Feb 11 01:24:46 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 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * 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 9 * 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 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
33 33
34#if XFT 34#if XFT
35# include <X11/extensions/Xrender.h> 35# include <X11/extensions/Xrender.h>
36#endif 36#endif
37 37
38const char *const xa_names[] = 38static const char *const xa_names[] =
39{ 39{
40 "TEXT", 40 "TEXT",
41 "COMPOUND_TEXT", 41 "COMPOUND_TEXT",
42 "UTF8_STRING", 42 "UTF8_STRING",
43 "MULTIPLE", 43 "MULTIPLE",
59#if ENABLE_EWMH 59#if ENABLE_EWMH
60 "_NET_WM_PID", 60 "_NET_WM_PID",
61 "_NET_WM_NAME", 61 "_NET_WM_NAME",
62 "_NET_WM_ICON_NAME", 62 "_NET_WM_ICON_NAME",
63 "_NET_WM_PING", 63 "_NET_WM_PING",
64 "_NET_WM_ICON",
64#endif 65#endif
65#if USE_XIM 66#if USE_XIM
66 "WM_LOCALE_NAME", 67 "WM_LOCALE_NAME",
67 "XIM_SERVERS", 68 "XIM_SERVERS",
68#endif 69#endif
69#ifdef TRANSPARENT 70#ifdef ENABLE_TRANSPARENCY
70 "_XROOTPMAP_ID", 71 "_XROOTPMAP_ID",
71 "ESETROOT_PMAP_ID", 72 "ESETROOT_PMAP_ID",
72#endif 73#endif
73#if ENABLE_XEMBED 74#if ENABLE_XEMBED
74 "_XEMBED", 75 "_XEMBED",
183 184
184 XIMCallback ximcallback; 185 XIMCallback ximcallback;
185 ximcallback.client_data = (XPointer)this; 186 ximcallback.client_data = (XPointer)this;
186 ximcallback.callback = im_destroy_cb; 187 ximcallback.callback = im_destroy_cb;
187 188
188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0); 189 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
189 190
190 return true; 191 return true;
191} 192}
192 193
193rxvt_xim::~rxvt_xim () 194rxvt_xim::~rxvt_xim ()
226{ 227{
227} 228}
228 229
229rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h) 230rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
230{ 231{
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*/) 232 if (!scratch_area || w > scratch_w || h > scratch_h)
235 { 233 {
236 if (scratch_area) 234 if (scratch_area)
237 { 235 {
238 XFreePixmap (dpy, scratch_area->drawable); 236 XFreePixmap (dpy, scratch_area->drawable);
239 delete scratch_area; 237 delete scratch_area;
295 293
296///////////////////////////////////////////////////////////////////////////// 294/////////////////////////////////////////////////////////////////////////////
297 295
298rxvt_display::rxvt_display (const char *id) 296rxvt_display::rxvt_display (const char *id)
299: refcounted (id) 297: refcounted (id)
300, x_ev (this, &rxvt_display::x_cb)
301, selection_owner (0) 298, selection_owner (0)
299, clipboard_owner (0)
302{ 300{
301 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
302 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
303} 303}
304 304
305XrmDatabase 305XrmDatabase
306rxvt_display::get_resources (bool refresh) 306rxvt_display::get_resources (bool refresh)
307{ 307{
308 char *homedir = (char *)getenv ("HOME"); 308 char *homedir = getenv ("HOME");
309 char fname[1024]; 309 char fname[1024];
310 310
311 /* 311 /*
312 * get resources using the X library function 312 * get resources using the X library function
313 */ 313 */
314 char *displayResource, *xe; 314 char *displayResource, *xe;
315 XrmDatabase rdb1, database = 0; 315 XrmDatabase rdb1, database = 0;
316 316
317#if !XLIB_ILLEGAL_ACCESS
318 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
319 database = XrmGetStringDatabase ("");
320#endif
321
317 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 322 // 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 323 // as opposed to "standard practise", we always read in ~/.Xdefaults
319 324
320 // 6. System wide per application default file. 325 // 6. System wide per application default file.
321 326
322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 327 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
323 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 328 if ((xe = getenv ("XAPPLRESDIR")))
324 { 329 {
325 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 330 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
326 331
327 if ((rdb1 = XrmGetFileDatabase (fname))) 332 if ((rdb1 = XrmGetFileDatabase (fname)))
328 XrmMergeDatabases (rdb1, &database); 333 XrmMergeDatabases (rdb1, &database);
359 XA_STRING, &actual_type, &actual_format, 364 XA_STRING, &actual_type, &actual_format,
360 &nitems, &nremaining, 365 &nitems, &nremaining,
361 (unsigned char **)&val) == Success 366 (unsigned char **)&val) == Success
362 && actual_type == XA_STRING 367 && actual_type == XA_STRING
363 && actual_format == 8) 368 && actual_format == 8)
364 displayResource = val; 369 displayResource = val;
365 else 370 else
366 { 371 {
367 displayResource = 0; 372 displayResource = 0;
368 373
369 if (val) 374 if (val)
370 XFree(val); 375 XFree (val);
371 } 376 }
372 377
373#if XLIB_ILLEGAL_ACCESS 378#if XLIB_ILLEGAL_ACCESS
374 dpy->xdefaults = displayResource; 379 dpy->xdefaults = displayResource;
375#endif 380#endif
376 } 381 }
400 XFree (displayResource); 405 XFree (displayResource);
401 } 406 }
402 407
403 // 3. User's per host defaults file 408 // 3. User's per host defaults file
404 /* Add in XENVIRONMENT file */ 409 /* Add in XENVIRONMENT file */
405 if ((xe = (char *)getenv ("XENVIRONMENT")) 410 if ((xe = getenv ("XENVIRONMENT"))
406 && (rdb1 = XrmGetFileDatabase (xe))) 411 && (rdb1 = XrmGetFileDatabase (xe)))
407 XrmMergeDatabases (rdb1, &database); 412 XrmMergeDatabases (rdb1, &database);
408 else if (homedir) 413 else if (homedir)
409 { 414 {
410 struct utsname un; 415 struct utsname un;
424bool rxvt_display::ref_init () 429bool rxvt_display::ref_init ()
425{ 430{
426#ifdef LOCAL_X_IS_UNIX 431#ifdef LOCAL_X_IS_UNIX
427 if (id[0] == ':') 432 if (id[0] == ':')
428 { 433 {
429 val = rxvt_malloc (5 + strlen (id) + 1); 434 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
435 return false;
430 strcpy (val, "unix/"); 436 strcpy (val, "unix/");
431 strcat (val, id); 437 strcat (val, id);
432 dpy = XOpenDisplay (val); 438 dpy = XOpenDisplay (val);
433 free (val);
434 } 439 }
435 else 440 else
436#endif 441#endif
437 dpy = 0; 442 dpy = 0;
438 443
443 return false; 448 return false;
444 449
445 screen = DefaultScreen (dpy); 450 screen = DefaultScreen (dpy);
446 root = DefaultRootWindow (dpy); 451 root = DefaultRootWindow (dpy);
447 452
448#ifdef HAVE_AFTERIMAGE 453 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
449 ::dpy = dpy; /* init global var from libAfter... */
450 asv = create_asvisual_for_id (dpy, screen, DefaultDepth (dpy,screen),
451 XVisualIDFromVisual (DefaultVisual (dpy, screen)), None, NULL);
452#endif
453
454 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 454 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
456 455
457 XrmSetDatabase (dpy, get_resources (false)); 456 XrmSetDatabase (dpy, get_resources (false));
458 457
459#ifdef POINTER_BLANK 458#ifdef POINTER_BLANK
467 XUnloadFont (dpy, f); 466 XUnloadFont (dpy, f);
468#endif 467#endif
469 468
470 int fd = XConnectionNumber (dpy); 469 int fd = XConnectionNumber (dpy);
471 470
472 // try to detect wether we have a local connection. 471 // try to detect whether we have a local connection.
473 // assume unix domains socket == local, everything else not 472 // assume unix domain socket == local, everything else not
474 // TODO: might want to check for inet/127.0.0.1 473 // TODO: might want to check for inet/127.0.0.1
475 is_local = 0; 474 is_local = 0;
476 sockaddr_un sa; 475 sockaddr_un sa;
477 socklen_t sl = sizeof (sa); 476 socklen_t sl = sizeof (sa);
478 477
479 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 478 if (!getsockname (fd, (sockaddr *)&sa, &sl))
480 is_local = sa.sun_family == AF_UNIX; 479 is_local = sa.sun_family == AF_UNIX;
481 480
481 flush_ev.start ();
482 x_ev.start (fd, EVENT_READ); 482 x_ev.start (fd, ev::READ);
483 fcntl (fd, F_SETFD, FD_CLOEXEC); 483 fcntl (fd, F_SETFD, FD_CLOEXEC);
484 484
485 XSelectInput (dpy, root, PropertyChangeMask); 485 XSelectInput (dpy, root, PropertyChangeMask);
486 486
487 flush (); 487 flush ();
490} 490}
491 491
492void 492void
493rxvt_display::ref_next () 493rxvt_display::ref_next ()
494{ 494{
495 // TODO: somehow check wether the database files/resources changed 495 // TODO: somehow check whether the database files/resources changed
496 // before affording re-loading/parsing 496 // before affording re-loading/parsing
497 XrmDestroyDatabase (XrmGetDatabase (dpy)); 497 XrmDestroyDatabase (XrmGetDatabase (dpy));
498#if XLIB_ILLEGAL_ACCESS
499 /* work around a bug in XrmSetDatabase where it frees the db */
500 dpy->db = 0;
501#endif
498 XrmSetDatabase (dpy, get_resources (true)); 502 XrmSetDatabase (dpy, get_resources (true));
499} 503}
500 504
501rxvt_display::~rxvt_display () 505rxvt_display::~rxvt_display ()
502{ 506{
505 509
506#ifdef POINTER_BLANK 510#ifdef POINTER_BLANK
507 XFreeCursor (dpy, blank_cursor); 511 XFreeCursor (dpy, blank_cursor);
508#endif 512#endif
509 x_ev.stop (); 513 x_ev.stop ();
514 flush_ev.stop ();
510#ifdef USE_XIM 515#ifdef USE_XIM
511 xims.clear (); 516 xims.clear ();
512#endif 517#endif
518 XrmDestroyDatabase (XrmGetDatabase (dpy));
513 XCloseDisplay (dpy); 519 XCloseDisplay (dpy);
514} 520}
515 521
516#ifdef USE_XIM 522#ifdef USE_XIM
517void rxvt_display::im_change_cb () 523void rxvt_display::im_change_cb ()
529 unsigned long nitems, bytes_after; 535 unsigned long nitems, bytes_after;
530 536
531 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 537 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
532 False, XA_ATOM, &actual_type, &actual_format, 538 False, XA_ATOM, &actual_type, &actual_format,
533 &nitems, &bytes_after, (unsigned char **)&atoms) 539 &nitems, &bytes_after, (unsigned char **)&atoms)
534 != Success ) 540 != Success)
535 return; 541 return;
536 542
537 if (actual_type == XA_ATOM && actual_format == 32) 543 if (actual_type == XA_ATOM && actual_format == 32)
538 for (int i = 0; i < nitems; i++) 544 for (int i = 0; i < nitems; i++)
539 if (XGetSelectionOwner (dpy, atoms[i])) 545 if (XGetSelectionOwner (dpy, atoms[i]))
540 { 546 {
541 im_change_cb (); 547 im_change_cb ();
542 break; 548 break;
544 550
545 XFree (atoms); 551 XFree (atoms);
546} 552}
547#endif 553#endif
548 554
549void rxvt_display::x_cb (io_watcher &w, short revents) 555void rxvt_display::x_cb (ev::io &w, int revents)
550{ 556{
557 flush_ev.start ();
558}
559
560void rxvt_display::flush_cb (ev::prepare &w, int revents)
561{
562 while (XEventsQueued (dpy, QueuedAfterFlush))
551 do 563 do
552 { 564 {
553 XEvent xev; 565 XEvent xev;
554 XNextEvent (dpy, &xev); 566 XNextEvent (dpy, &xev);
555 567
556#ifdef USE_XIM 568#ifdef USE_XIM
557 if (!XFilterEvent (&xev, None)) 569 if (!XFilterEvent (&xev, None))
558 { 570 {
559 if (xev.type == PropertyNotify 571 if (xev.type == PropertyNotify
560 && xev.xany.window == root 572 && xev.xany.window == root
561 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 573 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
562 im_change_check (); 574 im_change_check ();
563#endif 575#endif
576 if (xev.type == MappingNotify)
577 XRefreshKeyboardMapping (&xev.xmapping);
578
564 for (int i = xw.size (); i--; ) 579 for (int i = xw.size (); i--; )
565 { 580 {
566 if (!xw[i]) 581 if (!xw[i])
567 xw.erase_unordered (i); 582 xw.erase_unordered (i);
568 else if (xw[i]->window == xev.xany.window) 583 else if (xw[i]->window == xev.xany.window)
569 xw[i]->call (xev); 584 xw[i]->call (xev);
570 } 585 }
571#ifdef USE_XIM 586#ifdef USE_XIM
572 } 587 }
573#endif 588#endif
574 } 589 }
575 while (XEventsQueued (dpy, QueuedAlready)); 590 while (XEventsQueued (dpy, QueuedAlready));
576 591
577 XFlush (dpy); 592 w.stop ();
578}
579
580void rxvt_display::flush ()
581{
582 if (XEventsQueued (dpy, QueuedAlready))
583 x_cb (x_ev, EVENT_READ);
584
585 XFlush (dpy);
586} 593}
587 594
588void rxvt_display::reg (xevent_watcher *w) 595void rxvt_display::reg (xevent_watcher *w)
589{ 596{
590 if (!w->active) 597 if (!w->active)
601 xw[w->active - 1] = 0; 608 xw[w->active - 1] = 0;
602 w->active = 0; 609 w->active = 0;
603 } 610 }
604} 611}
605 612
606void rxvt_display::set_selection_owner (rxvt_term *owner) 613void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
607{ 614{
615 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
616
608 if (selection_owner && selection_owner != owner) 617 if (cur_owner && cur_owner != owner)
609 selection_owner->selection_clear (); 618 {
619 rxvt_term *term = cur_owner;
620 term->selection_clear (clipboard);
621 term->flush ();
622 }
610 623
611 selection_owner = owner; 624 cur_owner = owner;
612} 625}
613 626
614#ifdef USE_XIM 627#ifdef USE_XIM
615 628
616void rxvt_display::reg (im_watcher *w) 629void rxvt_display::reg (im_watcher *w)
629 int l, m; 642 int l, m;
630 643
631 l = strlen (locale); 644 l = strlen (locale);
632 m = strlen (modifiers); 645 m = strlen (modifiers);
633 646
634 if (!(id = (char *)malloc (l + m + 2))) 647 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
635 return 0; 648 return 0;
636 649
637 memcpy (id, locale, l); id[l] = '\n'; 650 memcpy (id, locale, l); id[l] = '\n';
638 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 651 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
639 652
640 rxvt_xim *xim = xims.get (id); 653 rxvt_xim *xim = xims.get (id);
641
642 free (id);
643 654
644 return xim; 655 return xim;
645} 656}
646 657
647void rxvt_display::put_xim (rxvt_xim *xim) 658void rxvt_display::put_xim (rxvt_xim *xim)
669static unsigned int 680static unsigned int
670insert_component (unsigned int value, unsigned int mask, unsigned int shift) 681insert_component (unsigned int value, unsigned int mask, unsigned int shift)
671{ 682{
672 return (value * (mask + 1) >> 16) << shift; 683 return (value * (mask + 1) >> 16) << shift;
673} 684}
674 685
675bool 686bool
676rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 687rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
677{ 688{
689 //TODO: only supports 24 bit
690 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
691
678#if XFT 692#if XFT
679 XRenderPictFormat *format; 693 XRenderPictFormat *format;
680 694
681 // FUCKING Xft gets it wrong, of course, so work around it. 695 // FUCKING Xft gets it wrong, of course, so work around it.
682 // Transparency users should eat shit and die, and then 696 // Transparency users should eat shit and die, and then
686 { 700 {
687 // the fun lies in doing everything manually... 701 // the fun lies in doing everything manually...
688 c.color.red = color.r; 702 c.color.red = color.r;
689 c.color.green = color.g; 703 c.color.green = color.g;
690 c.color.blue = color.b; 704 c.color.blue = color.b;
691 c.color.alpha = color.a; 705 c.color.alpha = alpha;
692 706
693 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) 707 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
694 | insert_component (color.g, format->direct.greenMask, format->direct.green) 708 | insert_component (color.g, format->direct.greenMask, format->direct.green)
695 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 709 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
696 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha); 710 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
697 711
698 return true; 712 return true;
699 } 713 }
700 else 714 else
701 { 715 {
702 XRenderColor d; 716 XRenderColor d;
703 717
704 d.red = color.r; 718 d.red = color.r;
705 d.green = color.g; 719 d.green = color.g;
706 d.blue = color.b; 720 d.blue = color.b;
707 d.alpha = color.a; 721 d.alpha = alpha;
708 722
709 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 723 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
710 } 724 }
711#else 725#else
712 c.red = color.r; 726 c.red = color.r;
713 c.green = color.g; 727 c.green = color.g;
714 c.blue = color.b; 728 c.blue = color.b;
715 729
716 if (screen->visual->c_class == TrueColor) 730 if (screen->visual->c_class == TrueColor)
717 { 731 {
718 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask )) 732 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
719 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask)) 733 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
720 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask )); 734 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
721 735
722 return true; 736 return true;
723 } 737 }
724 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 738 else if (XAllocColor (screen->dpy, screen->cmap, &c))
725 return true; 739 return true;
737{ 751{
738 rgba c; 752 rgba c;
739 char eos; 753 char eos;
740 int skip; 754 int skip;
741 755
756 c.a = rgba::MAX_CC;
757
742 // parse the nonstandard "[alphapercent]" prefix 758 // parse the nonstandard "[alphapercent]" prefix
743 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 759 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
744 { 760 {
745 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 761 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
746 name += skip; 762 name += skip;
747 } 763 }
748 else
749 c.a = rgba::MAX_CC;
750 764
751 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 765 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
752 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos)) 766 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
753 { 767 {
754 XColor xc, xc_exact; 768 XColor xc;
755 769
756 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 770 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
757 { 771 {
758 c.r = xc.red; 772 c.r = xc.red;
759 c.g = xc.green; 773 c.g = xc.green;
786 { 800 {
787 XColor *colors = new XColor [screen->visual->map_entries]; 801 XColor *colors = new XColor [screen->visual->map_entries];
788 802
789 for (int i = 0; i < cmap_size; i++) 803 for (int i = 0; i < cmap_size; i++)
790 colors [i].pixel = i; 804 colors [i].pixel = i;
791 805
792 // many kilobytes transfer per colour, but pseudocolor isn't worth 806 // many kilobytes transfer per colour, but pseudocolor isn't worth
793 // many extra optimisations. 807 // many extra optimisations.
794 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); 808 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
795 809
796 int diff = 0x7fffffffUL; 810 int diff = 0x7fffffffUL;
809 } 823 }
810 } 824 }
811 825
812 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 826 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
813 // color.r, color.g, color.b, best->red, best->green, best->blue, diff); 827 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
814 828
815 got = alloc (screen, rgba (best->red, best->green, best->blue)); 829 got = alloc (screen, rgba (best->red, best->green, best->blue));
816 830
817 delete [] colors; 831 delete [] colors;
818 } 832 }
819#endif 833#endif
847 color.green = c.g; 861 color.green = c.g;
848 color.blue = c.b; 862 color.blue = c.b;
849 color.pixel = (Pixel)*this; 863 color.pixel = (Pixel)*this;
850} 864}
851 865
852void 866void
853rxvt_color::free (rxvt_screen *screen) 867rxvt_color::free (rxvt_screen *screen)
854{ 868{
855 if (screen->visual->c_class == TrueColor) 869 if (screen->visual->c_class == TrueColor)
856 return; // nothing to do 870 return; // nothing to do
857 871
877 lerp (c.a, to.a, percent) 891 lerp (c.a, to.a, percent)
878 ) 892 )
879 ); 893 );
880} 894}
881 895
896rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, sel_cb cb, void *ptr)
897: display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr)
898{
899 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
900
901 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
902 timer_ev.repeat = 10.;
903 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
904
905 incr_buf = 0;
906 incr_buf_size = incr_buf_fill = 0;
907 selection_wait = Sel_normal;
908
909#if X_HAVE_UTF8_STRING
910 selection_type = Sel_UTF8String;
911 if (request (display->xa[XA_UTF8_STRING], selnum))
912 return;
913#else
914 selection_type = Sel_CompoundText;
915 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
916 return;
917#endif
918
919 // fallback to CUT_BUFFER0 if the requested property has no owner
920 handle_selection (display->root, XA_CUT_BUFFER0, false);
921}
922
923rxvt_selection::~rxvt_selection ()
924{
925 stop ();
926}
927
928void
929rxvt_selection::stop ()
930{
931 free (incr_buf);
932 incr_buf = 0;
933 timer_ev.stop ();
934 x_ev.stop (display);
935}
936
937bool
938rxvt_selection::request (Atom target, int selnum)
939{
940 Atom sel;
941
942 selection_type |= selnum;
943
944 if (selnum == Sel_Primary)
945 sel = XA_PRIMARY;
946 else if (selnum == Sel_Secondary)
947 sel = XA_SECONDARY;
948 else
949 sel = display->xa[XA_CLIPBOARD];
950
951 if (XGetSelectionOwner (display->dpy, sel) != None)
952 {
953 XConvertSelection (display->dpy, sel, target, request_prop,
954 request_win, request_time);
955 x_ev.start (display, request_win);
956 timer_ev.again ();
957 return true;
958 }
959
960 return false;
961}
962
963void
964rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
965{
966 Display *dpy = display->dpy;
967 char *data = 0;
968 unsigned int data_len = 0;
969 unsigned long bytes_after;
970 XTextProperty ct;
971
972 // check for failed XConvertSelection
973 if (prop == None)
974 {
975 bool error = true;
976 int selnum = selection_type & Sel_whereMask;
977
978 if (selection_type & Sel_CompoundText)
979 {
980 selection_type = 0;
981 error = !request (XA_STRING, selnum);
982 }
983
984 if (selection_type & Sel_UTF8String)
985 {
986 selection_type = Sel_CompoundText;
987 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
988 }
989
990 if (error)
991 {
992 ct.value = 0;
993 goto bailout;
994 }
995
996 return;
997 }
998
999 // length == (2^31 - 1) / 4, as gdk
1000 if (XGetWindowProperty (dpy, win, prop,
1001 0, 0x1fffffff,
1002 delete_prop, AnyPropertyType,
1003 &ct.encoding, &ct.format,
1004 &ct.nitems, &bytes_after,
1005 &ct.value) != Success)
1006 {
1007 ct.value = 0;
1008 goto bailout;
1009 }
1010
1011 if (ct.encoding == None)
1012 goto bailout;
1013
1014 if (ct.value == 0)
1015 goto bailout;
1016
1017 if (ct.encoding == display->xa[XA_INCR])
1018 {
1019 // INCR selection, start handshake
1020 if (!delete_prop)
1021 XDeleteProperty (dpy, win, prop);
1022
1023 selection_wait = Sel_incr;
1024 timer_ev.again ();
1025
1026 goto bailout;
1027 }
1028
1029 if (ct.nitems == 0)
1030 {
1031 if (selection_wait == Sel_incr)
1032 {
1033 XFree (ct.value);
1034
1035 // finally complete, now paste the whole thing
1036 selection_wait = Sel_normal;
1037 ct.value = (unsigned char *)incr_buf;
1038 ct.nitems = incr_buf_fill;
1039 incr_buf = 0;
1040 timer_ev.stop ();
1041 }
1042 else
1043 {
1044 // avoid recursion
1045 if (win != display->root || prop != XA_CUT_BUFFER0)
1046 {
1047 XFree (ct.value);
1048
1049 // fallback to CUT_BUFFER0 if the requested property
1050 // has an owner but is empty
1051 handle_selection (display->root, XA_CUT_BUFFER0, False);
1052 return;
1053 }
1054
1055 goto bailout;
1056 }
1057 }
1058 else if (selection_wait == Sel_incr)
1059 {
1060 timer_ev.again ();
1061
1062 while (incr_buf_fill + ct.nitems > incr_buf_size)
1063 {
1064 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1065 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1066 }
1067
1068 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1069 incr_buf_fill += ct.nitems;
1070
1071 goto bailout;
1072 }
1073
1074 char **cl;
1075 int cr;
1076
1077 // we honour the first item only
1078
1079#if !ENABLE_MINIMAL
1080 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1081 // so recode it manually
1082 if (ct.encoding == display->xa[XA_UTF8_STRING])
1083 {
1084 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1085 data = rxvt_wcstombs (w);
1086 free (w);
1087 }
1088 else
1089#endif
1090 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1091 && cl)
1092 {
1093 data = strdup (cl[0]);
1094 XFreeStringList (cl);
1095 }
1096 else
1097 {
1098 // paste raw
1099 data = strdup ((const char *)ct.value);
1100 }
1101
1102 data_len = strlen (data);
1103
1104bailout:
1105 XFree (ct.value);
1106
1107 if (selection_wait == Sel_normal)
1108 {
1109 stop ();
1110 request_cb (data, data_len, this, user_data);
1111 free (data);
1112 }
1113}
1114
1115void
1116rxvt_selection::timer_cb (ev::timer &w, int revents)
1117{
1118 if (selection_wait == Sel_incr)
1119 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1120
1121 stop ();
1122 request_cb (NULL, 0, this, user_data);
1123}
1124
1125void
1126rxvt_selection::x_cb (XEvent &xev)
1127{
1128 switch (xev.type)
1129 {
1130 case PropertyNotify:
1131 if (selection_wait == Sel_incr
1132 && xev.xproperty.atom == request_prop
1133 && xev.xproperty.state == PropertyNewValue)
1134 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1135 break;
1136
1137 case SelectionNotify:
1138 if (selection_wait == Sel_normal
1139 && xev.xselection.time == request_time
1140 && xev.xselection.property == request_prop)
1141 {
1142 timer_ev.stop ();
1143 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1144 }
1145 break;
1146 }
1147}

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