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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.59 by root, Wed Jul 5 20:31:48 2006 UTC vs.
Revision 1.130 by sf-exg, Fri Jan 13 12:40:53 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
69#ifdef TRANSPARENT 71#ifdef ENABLE_TRANSPARENCY
70 "_XROOTPMAP_ID", 72 "_XROOTPMAP_ID",
71 "ESETROOT_PMAP_ID", 73 "ESETROOT_PMAP_ID",
72#endif 74#endif
73#if ENABLE_XEMBED 75#if ENABLE_XEMBED
74 "_XEMBED", 76 "_XEMBED",
… …
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
324 // as opposed to "standard practise", we always read in ~/.Xdefaults
318 325
319 // 6. System wide per application default file. 326 // 6. System wide per application default file.
320 327
321 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
322 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
323 { 330 {
324 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
325 332
326 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
327 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
329 336
330 // 5. User's per application default file. 337 // 5. User's per application default file.
331 // none 338 // none
332 339
333 // 4. User's defaults file. 340 // 4. User's defaults file.
341 if (homedir)
342 {
343 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
344
345 if ((rdb1 = XrmGetFileDatabase (fname)))
346 XrmMergeDatabases (rdb1, &database);
347 }
348
334 /* Get any Xserver defaults */ 349 /* Get any Xserver defaults */
335 if (refresh) 350 if (refresh)
336 { 351 {
337 // fucking xlib keeps a copy of the rm string 352 // fucking xlib keeps a copy of the rm string
338 Atom actual_type; 353 Atom actual_type;
… …
350 XA_STRING, &actual_type, &actual_format, 365 XA_STRING, &actual_type, &actual_format,
351 &nitems, &nremaining, 366 &nitems, &nremaining,
352 (unsigned char **)&val) == Success 367 (unsigned char **)&val) == Success
353 && actual_type == XA_STRING 368 && actual_type == XA_STRING
354 && actual_format == 8) 369 && actual_format == 8)
355 displayResource = val; 370 displayResource = val;
356 else 371 else
357 { 372 {
358 displayResource = 0; 373 displayResource = 0;
374
359 if (val) 375 if (val)
360 XFree(val); 376 XFree (val);
361 } 377 }
362 378
363#if XLIB_ILLEGAL_ACCESS 379#if XLIB_ILLEGAL_ACCESS
364 dpy->xdefaults = displayResource; 380 dpy->xdefaults = displayResource;
365#endif 381#endif
366 } 382 }
… …
368 displayResource = XResourceManagerString (dpy); 384 displayResource = XResourceManagerString (dpy);
369 385
370 if (displayResource) 386 if (displayResource)
371 { 387 {
372 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
373 XrmMergeDatabases (rdb1, &database);
374 }
375 else if (homedir)
376 {
377 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
378
379 if ((rdb1 = XrmGetFileDatabase (fname)))
380 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
381 } 390 }
382 391
383#if !XLIB_ILLEGAL_ACCESS 392#if !XLIB_ILLEGAL_ACCESS
384 if (refresh && displayResource) 393 if (refresh && displayResource)
… …
397 XFree (displayResource); 406 XFree (displayResource);
398 } 407 }
399 408
400 // 3. User's per host defaults file 409 // 3. User's per host defaults file
401 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
402 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
403 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
404 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
405 else if (homedir) 414 else if (homedir)
406 { 415 {
407 struct utsname un; 416 struct utsname un;
… …
421bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
422{ 431{
423#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
424 if (id[0] == ':') 433 if (id[0] == ':')
425 { 434 {
426 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
427 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
428 strcat (val, id); 438 strcat (val, id);
429 dpy = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
430 free (val);
431 } 440 }
432 else 441 else
433#endif 442#endif
434 dpy = 0; 443 dpy = 0;
435 444
… …
440 return false; 449 return false;
441 450
442 screen = DefaultScreen (dpy); 451 screen = DefaultScreen (dpy);
443 root = DefaultRootWindow (dpy); 452 root = DefaultRootWindow (dpy);
444 453
445 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ecb_array_length (xa_names) == NUM_XA);
446 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
447 456
448 XrmSetDatabase (dpy, get_resources (false)); 457 XrmSetDatabase (dpy, get_resources (false));
449 458
450#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
… …
458 XUnloadFont (dpy, f); 467 XUnloadFont (dpy, f);
459#endif 468#endif
460 469
461 int fd = XConnectionNumber (dpy); 470 int fd = XConnectionNumber (dpy);
462 471
463 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
464 // assume unix domains socket == local, everything else not 473 // assume unix domain socket == local, everything else not
465 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
466 is_local = 0; 475 is_local = 0;
467 sockaddr_un sa; 476 sockaddr_un sa;
468 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
469 478
470 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
471 is_local = sa.sun_family == AF_LOCAL; 480 is_local = sa.sun_family == AF_UNIX;
472 481
482 flush_ev.start ();
473 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
474 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
475 485
476 XSelectInput (dpy, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
477 487
478 flush (); 488 flush ();
… …
481} 491}
482 492
483void 493void
484rxvt_display::ref_next () 494rxvt_display::ref_next ()
485{ 495{
486 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
487 // before affording re-loading/parsing 497 // before affording re-loading/parsing
488 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
489 XrmSetDatabase (dpy, get_resources (true)); 503 XrmSetDatabase (dpy, get_resources (true));
490} 504}
491 505
492rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
493{ 507{
… …
496 510
497#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
498 XFreeCursor (dpy, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
499#endif 513#endif
500 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
501#ifdef USE_XIM 516#ifdef USE_XIM
502 xims.clear (); 517 xims.clear ();
503#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
504 XCloseDisplay (dpy); 520 XCloseDisplay (dpy);
505} 521}
506 522
507#ifdef USE_XIM 523#ifdef USE_XIM
508void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
… …
520 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
521 537
522 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
523 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
524 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
525 != Success ) 541 != Success)
526 return; 542 return;
527 543
528 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
529 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
530 if (XGetSelectionOwner (dpy, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
531 { 547 {
532 im_change_cb (); 548 im_change_cb ();
533 break; 549 break;
… …
535 551
536 XFree (atoms); 552 XFree (atoms);
537} 553}
538#endif 554#endif
539 555
540void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
541{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
542 do 564 do
543 { 565 {
544 XEvent xev; 566 XEvent xev;
545 XNextEvent (dpy, &xev); 567 XNextEvent (dpy, &xev);
546 568
547#ifdef USE_XIM 569#ifdef USE_XIM
548 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
549 { 571 {
550 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
551 && xev.xany.window == root 573 && xev.xany.window == root
552 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
553 im_change_check (); 575 im_change_check ();
554#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
555 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
556 { 581 {
557 if (!xw[i]) 582 if (!xw[i])
558 xw.erase_unordered (i); 583 xw.erase_unordered (i);
559 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
560 xw[i]->call (xev); 585 xw[i]->call (xev);
561 } 586 }
562#ifdef USE_XIM 587#ifdef USE_XIM
563 } 588 }
564#endif 589#endif
565 } 590 }
566 while (XEventsQueued (dpy, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
567 592
568 XFlush (dpy); 593 w.stop ();
569}
570
571void rxvt_display::flush ()
572{
573 if (XEventsQueued (dpy, QueuedAlready))
574 x_cb (x_ev, EVENT_READ);
575
576 XFlush (dpy);
577} 594}
578 595
579void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
580{ 597{
598 if (!w->active)
599 {
581 xw.push_back (w); 600 xw.push_back (w);
582 w->active = xw.size (); 601 w->active = xw.size ();
602 }
583} 603}
584 604
585void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
586{ 606{
587 if (w->active) 607 if (w->active)
608 {
588 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
589} 612}
590 613
591void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
592{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
593 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
594 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
595 624
596 selection_owner = owner; 625 cur_owner = owner;
597} 626}
598 627
599#ifdef USE_XIM 628#ifdef USE_XIM
600 629
601void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
… …
614 int l, m; 643 int l, m;
615 644
616 l = strlen (locale); 645 l = strlen (locale);
617 m = strlen (modifiers); 646 m = strlen (modifiers);
618 647
619 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
620 return 0; 649 return 0;
621 650
622 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
623 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
624 653
625 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
626
627 free (id);
628 655
629 return xim; 656 return xim;
630} 657}
631 658
632void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
… …
654static unsigned int 681static unsigned int
655insert_component (unsigned int value, unsigned int mask, unsigned int shift) 682insert_component (unsigned int value, unsigned int mask, unsigned int shift)
656{ 683{
657 return (value * (mask + 1) >> 16) << shift; 684 return (value * (mask + 1) >> 16) << shift;
658} 685}
659 686
660bool 687bool
661rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
662{ 689{
690 //TODO: only supports 24 bit
691 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
663#if XFT 693#if XFT
664 XRenderPictFormat *format; 694 XRenderPictFormat *format;
665 695
666 // FUCKING Xft gets it wrong, of course, so work around it. 696 // FUCKING Xft gets it wrong, of course, so work around it.
667 // Transparency users should eat shit and die, and then 697 // Transparency users should eat shit and die, and then
… …
671 { 701 {
672 // the fun lies in doing everything manually... 702 // the fun lies in doing everything manually...
673 c.color.red = color.r; 703 c.color.red = color.r;
674 c.color.green = color.g; 704 c.color.green = color.g;
675 c.color.blue = color.b; 705 c.color.blue = color.b;
676 c.color.alpha = color.a; 706 c.color.alpha = alpha;
677 707
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
678 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 )
679 | insert_component (color.g, format->direct.greenMask, format->direct.green) 715 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
680 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 716 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
681 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha); 717 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
682 718
683 return true; 719 return true;
684 } 720 }
685 else 721 else
686 { 722 {
687 XRenderColor d; 723 XRenderColor d;
688 724
689 d.red = color.r; 725 d.red = color.r;
690 d.green = color.g; 726 d.green = color.g;
691 d.blue = color.b; 727 d.blue = color.b;
692 d.alpha = color.a; 728 d.alpha = alpha;
693 729
694 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 730 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
731 return true;
695 } 732 }
696#else 733#else
697 c.red = color.r; 734 c.red = color.r;
698 c.green = color.g; 735 c.green = color.g;
699 c.blue = color.b; 736 c.blue = color.b;
700 737
701 if (screen->visual->c_class == TrueColor) 738 if (screen->visual->c_class == TrueColor)
702 { 739 {
703 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask )) 740 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
704 / rgba::MAX_CC) << ctz (screen->visual->red_mask ) 741 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
705 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
706 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
707 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask )) 742 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
708 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
709 743
710 return true; 744 return true;
711 } 745 }
712 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 746 else if (XAllocColor (screen->dpy, screen->cmap, &c))
713 return true; 747 return true;
714 else 748#endif
749
715 c.pixel = (color.r + color.g + color.b) > 128*3 750 c.pixel = (color.r + color.g + color.b) > 128*3
716 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) 751 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
717 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); 752 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
718#endif
719 753
720 return false; 754 return false;
721} 755}
722 756
723bool 757bool
… …
725{ 759{
726 rgba c; 760 rgba c;
727 char eos; 761 char eos;
728 int skip; 762 int skip;
729 763
764 c.a = rgba::MAX_CC;
765
730 // parse the nonstandard "[alphapercent]" prefix 766 // parse the nonstandard "[alphapercent]" prefix
731 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 767 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
732 { 768 {
733 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 769 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
734 name += skip; 770 name += skip;
735 } 771 }
736 else
737 c.a = rgba::MAX_CC;
738 772
739 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 773 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
740 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos)) 774 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
741 { 775 {
742 XColor xc, xc_exact; 776 XColor xc;
743 777
744 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 778 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
745 { 779 {
746 c.r = xc.red; 780 c.r = xc.red;
747 c.g = xc.green; 781 c.g = xc.green;
… …
774 { 808 {
775 XColor *colors = new XColor [screen->visual->map_entries]; 809 XColor *colors = new XColor [screen->visual->map_entries];
776 810
777 for (int i = 0; i < cmap_size; i++) 811 for (int i = 0; i < cmap_size; i++)
778 colors [i].pixel = i; 812 colors [i].pixel = i;
779 813
780 // many kilobytes transfer per colour, but pseudocolor isn't worth 814 // many kilobytes transfer per colour, but pseudocolor isn't worth
781 // many extra optimisations. 815 // many extra optimisations.
782 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); 816 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
783 817
784 int diff = 0x7fffffffUL; 818 int diff = 0x7fffffffUL;
… …
797 } 831 }
798 } 832 }
799 833
800 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 834 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
801 // color.r, color.g, color.b, best->red, best->green, best->blue, diff); 835 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
802 836
803 got = alloc (screen, rgba (best->red, best->green, best->blue)); 837 got = alloc (screen, rgba (best->red, best->green, best->blue));
804 838
805 delete colors; 839 delete [] colors;
806 } 840 }
807#endif 841#endif
808 842
809 return got; 843 return got;
810} 844}
… …
835 color.green = c.g; 869 color.green = c.g;
836 color.blue = c.b; 870 color.blue = c.b;
837 color.pixel = (Pixel)*this; 871 color.pixel = (Pixel)*this;
838} 872}
839 873
840void 874void
841rxvt_color::free (rxvt_screen *screen) 875rxvt_color::free (rxvt_screen *screen)
842{ 876{
843 if (screen->visual->c_class == TrueColor) 877 if (screen->visual->c_class == TrueColor)
844 return; // nothing to do 878 return; // nothing to do
845 879
… …
865 lerp (c.a, to.a, percent) 899 lerp (c.a, to.a, percent)
866 ) 900 )
867 ); 901 );
868} 902}
869 903
904rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
905: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
906{
907 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
908
909 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
910 timer_ev.repeat = 10.;
911 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
912
913 incr_buf = 0;
914 incr_buf_size = incr_buf_fill = 0;
915 selection_wait = Sel_normal;
916 selection_type = selnum;
917 cb_sv = 0;
918}
919
920void
921rxvt_selection::stop ()
922{
923 free (incr_buf);
924 incr_buf = 0;
925 timer_ev.stop ();
926 x_ev.stop (display);
927}
928
929rxvt_selection::~rxvt_selection ()
930{
931 stop ();
932}
933
934void
935rxvt_selection::run ()
936{
937 int selnum = selection_type;
938
939#if ENABLE_FRILLS
940 if (selnum == Sel_Primary && display->selection_owner)
941 {
942 /* internal selection */
943 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
944 finish (str, strlen (str));
945 free (str);
946 return;
947 }
948#endif
949
950#if X_HAVE_UTF8_STRING
951 selection_type = Sel_UTF8String;
952 if (request (display->xa[XA_UTF8_STRING], selnum))
953 return;
954#else
955 selection_type = Sel_CompoundText;
956 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
957 return;
958#endif
959
960 // fallback to CUT_BUFFER0 if the requested property has no owner
961 handle_selection (display->root, XA_CUT_BUFFER0, false);
962}
963
964void
965rxvt_selection::finish (char *data, unsigned int len)
966{
967 if (!cb_sv)
968 {
969 if (data)
970 term->paste (data, len);
971
972 term->selection_req = 0;
973 delete this;
974 }
975#if ENABLE_PERL
976 else
977 {
978 stop (); // we do not really trust perl callbacks
979 rxvt_perl.selection_finish (this, data, len);
980 }
981#endif
982}
983
984bool
985rxvt_selection::request (Atom target, int selnum)
986{
987 Atom sel;
988
989 selection_type |= selnum;
990
991 if (selnum == Sel_Primary)
992 sel = XA_PRIMARY;
993 else if (selnum == Sel_Secondary)
994 sel = XA_SECONDARY;
995 else
996 sel = display->xa[XA_CLIPBOARD];
997
998 if (XGetSelectionOwner (display->dpy, sel) != None)
999 {
1000 XConvertSelection (display->dpy, sel, target, request_prop,
1001 request_win, request_time);
1002 x_ev.start (display, request_win);
1003 timer_ev.again ();
1004 return true;
1005 }
1006
1007 return false;
1008}
1009
1010void
1011rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1012{
1013 Display *dpy = display->dpy;
1014 char *data = 0;
1015 unsigned int data_len = 0;
1016 unsigned long bytes_after;
1017 XTextProperty ct;
1018
1019 // check for failed XConvertSelection
1020 if (prop == None)
1021 {
1022 bool error = true;
1023 int selnum = selection_type & Sel_whereMask;
1024
1025 if (selection_type & Sel_CompoundText)
1026 {
1027 selection_type = 0;
1028 error = !request (XA_STRING, selnum);
1029 }
1030
1031 if (selection_type & Sel_UTF8String)
1032 {
1033 selection_type = Sel_CompoundText;
1034 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1035 }
1036
1037 if (error)
1038 {
1039 ct.value = 0;
1040 goto bailout;
1041 }
1042
1043 return;
1044 }
1045
1046 // length == (2^31 - 1) / 4, as gdk
1047 if (XGetWindowProperty (dpy, win, prop,
1048 0, 0x1fffffff,
1049 delete_prop, AnyPropertyType,
1050 &ct.encoding, &ct.format,
1051 &ct.nitems, &bytes_after,
1052 &ct.value) != Success)
1053 {
1054 ct.value = 0;
1055 goto bailout;
1056 }
1057
1058 if (ct.encoding == None)
1059 goto bailout;
1060
1061 if (ct.value == 0)
1062 goto bailout;
1063
1064 if (ct.encoding == display->xa[XA_INCR])
1065 {
1066 // INCR selection, start handshake
1067 if (!delete_prop)
1068 XDeleteProperty (dpy, win, prop);
1069
1070 selection_wait = Sel_incr;
1071 timer_ev.again ();
1072
1073 goto bailout;
1074 }
1075
1076 if (ct.nitems == 0)
1077 {
1078 if (selection_wait == Sel_incr)
1079 {
1080 XFree (ct.value);
1081
1082 // finally complete, now paste the whole thing
1083 selection_wait = Sel_normal;
1084 ct.value = (unsigned char *)incr_buf;
1085 ct.nitems = incr_buf_fill;
1086 incr_buf = 0;
1087 timer_ev.stop ();
1088 }
1089 else
1090 {
1091 // avoid recursion
1092 if (win != display->root || prop != XA_CUT_BUFFER0)
1093 {
1094 XFree (ct.value);
1095
1096 // fallback to CUT_BUFFER0 if the requested property
1097 // has an owner but is empty
1098 handle_selection (display->root, XA_CUT_BUFFER0, False);
1099 return;
1100 }
1101
1102 goto bailout;
1103 }
1104 }
1105 else if (selection_wait == Sel_incr)
1106 {
1107 timer_ev.again ();
1108
1109 while (incr_buf_fill + ct.nitems > incr_buf_size)
1110 {
1111 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1112 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1113 }
1114
1115 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1116 incr_buf_fill += ct.nitems;
1117
1118 goto bailout;
1119 }
1120
1121 char **cl;
1122 int cr;
1123
1124 // we honour the first item only
1125
1126#if !ENABLE_MINIMAL
1127 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1128 // so recode it manually
1129 if (ct.encoding == display->xa[XA_UTF8_STRING])
1130 {
1131 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1132 data = rxvt_wcstombs (w);
1133 free (w);
1134 }
1135 else
1136#endif
1137 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1138 && cl)
1139 {
1140 data = strdup (cl[0]);
1141 XFreeStringList (cl);
1142 }
1143 else
1144 {
1145 // paste raw
1146 data = strdup ((const char *)ct.value);
1147 }
1148
1149 data_len = strlen (data);
1150
1151bailout:
1152 XFree (ct.value);
1153
1154 if (selection_wait == Sel_normal)
1155 {
1156 finish (data, data_len);
1157 free (data);
1158 }
1159}
1160
1161void
1162rxvt_selection::timer_cb (ev::timer &w, int revents)
1163{
1164 if (selection_wait == Sel_incr)
1165 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1166
1167 finish ();
1168}
1169
1170void
1171rxvt_selection::x_cb (XEvent &xev)
1172{
1173 switch (xev.type)
1174 {
1175 case PropertyNotify:
1176 if (selection_wait == Sel_incr
1177 && xev.xproperty.atom == request_prop
1178 && xev.xproperty.state == PropertyNewValue)
1179 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1180 break;
1181
1182 case SelectionNotify:
1183 if (selection_wait == Sel_normal
1184 && xev.xselection.time == request_time)
1185 {
1186 timer_ev.stop ();
1187 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1188 }
1189 break;
1190 }
1191}

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