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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.68 by root, Tue Jun 26 00:40:19 2007 UTC vs.
Revision 1.145 by root, Sat Dec 13 10:47:32 2014 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 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
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 ENABLE_TRANSPARENCY 71#if HAVE_IMG || ENABLE_PERL
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",
… …
151 put (*this->begin ()); 153 put (*this->begin ());
152} 154}
153 155
154///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
155 157
156#ifdef USE_XIM 158#if USE_XIM
157 159
158static void 160static void
159#if XIMCB_PROTO_BROKEN 161#if XIMCB_PROTO_BROKEN
160im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
161#else 163#else
… …
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;
… …
261 depth = DefaultDepthOfScreen (screen); 260 depth = DefaultDepthOfScreen (screen);
262 visual = DefaultVisualOfScreen (screen); 261 visual = DefaultVisualOfScreen (screen);
263 cmap = DefaultColormapOfScreen (screen); 262 cmap = DefaultColormapOfScreen (screen);
264} 263}
265 264
265#if ENABLE_FRILLS
266
266void 267void
267rxvt_screen::select_visual (int bitdepth) 268rxvt_screen::select_visual (int id)
268{ 269{
269#if XFT
270 XVisualInfo vinfo; 270 XVisualInfo vinfo;
271 vinfo.visualid = id;
272 int n;
273
274 if (XVisualInfo *vi = XGetVisualInfo (dpy, VisualIDMask, &vinfo, &n))
275 {
276 depth = vi->depth;
277 visual = vi->visual;
278
279 XFree (vi);
280
281 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
282 }
283 else
284 rxvt_warn ("no visual found for requested id 0x%02x, using default visual.\n", id);
285}
286
287void
288rxvt_screen::select_depth (int bitdepth)
289{
290 XVisualInfo vinfo;
271 291
272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo)) 292 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
273 {
274 depth = bitdepth;
275 visual = vinfo.visual; 293 select_visual (vinfo.visualid);
276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone); 294 else
277 } 295 rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth);
278#endif
279} 296}
297
298#endif
280 299
281void 300void
282rxvt_screen::clear () 301rxvt_screen::clear ()
283{ 302{
284#if XFT 303#if XFT
… …
295 314
296///////////////////////////////////////////////////////////////////////////// 315/////////////////////////////////////////////////////////////////////////////
297 316
298rxvt_display::rxvt_display (const char *id) 317rxvt_display::rxvt_display (const char *id)
299: refcounted (id) 318: refcounted (id)
300, x_ev (this, &rxvt_display::x_cb)
301, selection_owner (0) 319, selection_owner (0)
320, clipboard_owner (0)
302{ 321{
322 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
323 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
303} 324}
304 325
305XrmDatabase 326XrmDatabase
306rxvt_display::get_resources (bool refresh) 327rxvt_display::get_resources (bool refresh)
307{ 328{
308 char *homedir = (char *)getenv ("HOME"); 329 char *homedir = getenv ("HOME");
309 char fname[1024]; 330 char fname[1024];
310 331
311 /* 332 /*
312 * get resources using the X library function 333 * get resources using the X library function
313 */ 334 */
314 char *displayResource, *xe; 335 char *displayResource, *xe;
315 XrmDatabase rdb1, database = 0; 336 XrmDatabase rdb1, database = 0;
316 337
338#if !XLIB_ILLEGAL_ACCESS
339 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
340 database = XrmGetStringDatabase ("");
341#endif
342
317 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 343 // 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 344 // as opposed to "standard practise", we always read in ~/.Xdefaults
319 345
320 // 6. System wide per application default file. 346 // 6. System wide per application default file.
321 347
322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 348 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
323 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 349 if ((xe = getenv ("XAPPLRESDIR")))
324 { 350 {
325 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 351 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
326 352
327 if ((rdb1 = XrmGetFileDatabase (fname))) 353 if ((rdb1 = XrmGetFileDatabase (fname)))
328 XrmMergeDatabases (rdb1, &database); 354 XrmMergeDatabases (rdb1, &database);
… …
359 XA_STRING, &actual_type, &actual_format, 385 XA_STRING, &actual_type, &actual_format,
360 &nitems, &nremaining, 386 &nitems, &nremaining,
361 (unsigned char **)&val) == Success 387 (unsigned char **)&val) == Success
362 && actual_type == XA_STRING 388 && actual_type == XA_STRING
363 && actual_format == 8) 389 && actual_format == 8)
364 displayResource = val; 390 displayResource = val;
365 else 391 else
366 { 392 {
367 displayResource = 0; 393 displayResource = 0;
368 394
369 if (val) 395 if (val)
370 XFree(val); 396 XFree (val);
371 } 397 }
372 398
373#if XLIB_ILLEGAL_ACCESS 399#if XLIB_ILLEGAL_ACCESS
374 dpy->xdefaults = displayResource; 400 dpy->xdefaults = displayResource;
375#endif 401#endif
376 } 402 }
… …
400 XFree (displayResource); 426 XFree (displayResource);
401 } 427 }
402 428
403 // 3. User's per host defaults file 429 // 3. User's per host defaults file
404 /* Add in XENVIRONMENT file */ 430 /* Add in XENVIRONMENT file */
405 if ((xe = (char *)getenv ("XENVIRONMENT")) 431 if ((xe = getenv ("XENVIRONMENT"))
406 && (rdb1 = XrmGetFileDatabase (xe))) 432 && (rdb1 = XrmGetFileDatabase (xe)))
407 XrmMergeDatabases (rdb1, &database); 433 XrmMergeDatabases (rdb1, &database);
408 else if (homedir) 434 else if (homedir)
409 { 435 {
410 struct utsname un; 436 struct utsname un;
… …
424bool rxvt_display::ref_init () 450bool rxvt_display::ref_init ()
425{ 451{
426#ifdef LOCAL_X_IS_UNIX 452#ifdef LOCAL_X_IS_UNIX
427 if (id[0] == ':') 453 if (id[0] == ':')
428 { 454 {
429 val = rxvt_malloc (5 + strlen (id) + 1); 455 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
456
430 strcpy (val, "unix/"); 457 strcpy (val, "unix/");
431 strcat (val, id); 458 strcat (val, id);
459
432 dpy = XOpenDisplay (val); 460 dpy = XOpenDisplay (val);
433 free (val);
434 } 461 }
435 else 462 else
436#endif 463#endif
437 dpy = 0; 464 dpy = 0;
438 465
… …
443 return false; 470 return false;
444 471
445 screen = DefaultScreen (dpy); 472 screen = DefaultScreen (dpy);
446 root = DefaultRootWindow (dpy); 473 root = DefaultRootWindow (dpy);
447 474
448#ifdef HAVE_AFTERIMAGE 475 assert (ecb_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); 476 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
456 477
457 XrmSetDatabase (dpy, get_resources (false)); 478 XrmSetDatabase (dpy, get_resources (false));
458 479
459#ifdef POINTER_BLANK 480#ifdef POINTER_BLANK
… …
465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ', 486 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
466 &blackcolour, &blackcolour); 487 &blackcolour, &blackcolour);
467 XUnloadFont (dpy, f); 488 XUnloadFont (dpy, f);
468#endif 489#endif
469 490
491 flags = 0;
492#if XRENDER
493 int major, minor;
494 if (XRenderQueryVersion (dpy, &major, &minor))
495 if (major > 0 || (major == 0 && minor >= 11))
496 {
497 flags |= DISPLAY_HAS_RENDER;
498
499 if (XFilters *filters = XRenderQueryFilters (dpy, root))
500 {
501 for (int i = 0; i < filters->nfilter; i++)
502 if (!strcmp (filters->filter [i], FilterConvolution))
503 flags |= DISPLAY_HAS_RENDER_CONV;
504
505 XFree (filters);
506 }
507 }
508#endif
509
470 int fd = XConnectionNumber (dpy); 510 int fd = XConnectionNumber (dpy);
471 511
472 // try to detect wether we have a local connection. 512 // try to detect whether we have a local connection.
473 // assume unix domains socket == local, everything else not 513 // assume unix domain socket == local, everything else not
474 // TODO: might want to check for inet/127.0.0.1 514 // TODO: might want to check for inet/127.0.0.1
475 is_local = 0; 515 is_local = 0;
476 sockaddr_un sa; 516 sockaddr_un sa;
477 socklen_t sl = sizeof (sa); 517 socklen_t sl = sizeof (sa);
478 518
479 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 519 if (!getsockname (fd, (sockaddr *)&sa, &sl))
480 is_local = sa.sun_family == AF_UNIX; 520 is_local = sa.sun_family == AF_UNIX;
481 521
522 flush_ev.start ();
482 x_ev.start (fd, EVENT_READ); 523 x_ev.start (fd, ev::READ);
483 fcntl (fd, F_SETFD, FD_CLOEXEC); 524 fcntl (fd, F_SETFD, FD_CLOEXEC);
484 525
485 XSelectInput (dpy, root, PropertyChangeMask); 526 XSelectInput (dpy, root, PropertyChangeMask);
486 527
487 flush (); 528 flush ();
… …
490} 531}
491 532
492void 533void
493rxvt_display::ref_next () 534rxvt_display::ref_next ()
494{ 535{
495 // TODO: somehow check wether the database files/resources changed 536 // TODO: somehow check whether the database files/resources changed
496 // before affording re-loading/parsing 537 // before affording re-loading/parsing
497 XrmDestroyDatabase (XrmGetDatabase (dpy)); 538 XrmDestroyDatabase (XrmGetDatabase (dpy));
539#if XLIB_ILLEGAL_ACCESS
540 /* work around a bug in XrmSetDatabase where it frees the db */
541 dpy->db = 0;
542#endif
498 XrmSetDatabase (dpy, get_resources (true)); 543 XrmSetDatabase (dpy, get_resources (true));
499} 544}
500 545
501rxvt_display::~rxvt_display () 546rxvt_display::~rxvt_display ()
502{ 547{
… …
505 550
506#ifdef POINTER_BLANK 551#ifdef POINTER_BLANK
507 XFreeCursor (dpy, blank_cursor); 552 XFreeCursor (dpy, blank_cursor);
508#endif 553#endif
509 x_ev.stop (); 554 x_ev.stop ();
555 flush_ev.stop ();
510#ifdef USE_XIM 556#if USE_XIM
511 xims.clear (); 557 xims.clear ();
512#endif 558#endif
559 XrmDestroyDatabase (XrmGetDatabase (dpy));
513 XCloseDisplay (dpy); 560 XCloseDisplay (dpy);
514} 561}
515 562
516#ifdef USE_XIM 563#if USE_XIM
517void rxvt_display::im_change_cb () 564void rxvt_display::im_change_cb ()
518{ 565{
519 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 566 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
520 (*i)->call (); 567 (*i)->call ();
521} 568}
… …
529 unsigned long nitems, bytes_after; 576 unsigned long nitems, bytes_after;
530 577
531 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 578 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
532 False, XA_ATOM, &actual_type, &actual_format, 579 False, XA_ATOM, &actual_type, &actual_format,
533 &nitems, &bytes_after, (unsigned char **)&atoms) 580 &nitems, &bytes_after, (unsigned char **)&atoms)
534 != Success ) 581 != Success)
535 return; 582 return;
536 583
537 if (actual_type == XA_ATOM && actual_format == 32) 584 if (actual_type == XA_ATOM && actual_format == 32)
538 for (int i = 0; i < nitems; i++) 585 for (int i = 0; i < nitems; i++)
539 if (XGetSelectionOwner (dpy, atoms[i])) 586 if (XGetSelectionOwner (dpy, atoms[i]))
540 { 587 {
541 im_change_cb (); 588 im_change_cb ();
542 break; 589 break;
… …
544 591
545 XFree (atoms); 592 XFree (atoms);
546} 593}
547#endif 594#endif
548 595
549void rxvt_display::x_cb (io_watcher &w, short revents) 596void rxvt_display::x_cb (ev::io &w, int revents)
550{ 597{
598 flush_ev.start ();
599}
600
601void rxvt_display::flush_cb (ev::prepare &w, int revents)
602{
603 while (XEventsQueued (dpy, QueuedAfterFlush))
551 do 604 do
552 { 605 {
553 XEvent xev; 606 XEvent xev;
554 XNextEvent (dpy, &xev); 607 XNextEvent (dpy, &xev);
555 608
556#ifdef USE_XIM 609#if USE_XIM
557 if (!XFilterEvent (&xev, None)) 610 if (!XFilterEvent (&xev, None))
558 { 611 {
559 if (xev.type == PropertyNotify 612 if (xev.type == PropertyNotify
560 && xev.xany.window == root 613 && xev.xany.window == root
561 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 614 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
562 im_change_check (); 615 im_change_check ();
563#endif 616#endif
617 if (xev.type == MappingNotify)
618 XRefreshKeyboardMapping (&xev.xmapping);
619
564 for (int i = xw.size (); i--; ) 620 for (int i = xw.size (); i--; )
565 { 621 {
566 if (!xw[i]) 622 if (!xw[i])
567 xw.erase_unordered (i); 623 xw.erase_unordered (i);
568 else if (xw[i]->window == xev.xany.window) 624 else if (xw[i]->window == xev.xany.window)
569 xw[i]->call (xev); 625 xw[i]->call (xev);
570 } 626 }
571#ifdef USE_XIM 627#if USE_XIM
572 } 628 }
573#endif 629#endif
574 } 630 }
575 while (XEventsQueued (dpy, QueuedAlready)); 631 while (XEventsQueued (dpy, QueuedAlready));
576 632
577 XFlush (dpy); 633 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} 634}
587 635
588void rxvt_display::reg (xevent_watcher *w) 636void rxvt_display::reg (xevent_watcher *w)
589{ 637{
590 if (!w->active) 638 if (!w->active)
… …
601 xw[w->active - 1] = 0; 649 xw[w->active - 1] = 0;
602 w->active = 0; 650 w->active = 0;
603 } 651 }
604} 652}
605 653
606void rxvt_display::set_selection_owner (rxvt_term *owner) 654void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
607{ 655{
656 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
657
608 if (selection_owner && selection_owner != owner) 658 if (cur_owner && cur_owner != owner)
609 selection_owner->selection_clear (); 659 {
660 rxvt_term *term = cur_owner;
661 term->selection_clear (clipboard);
662 term->flush ();
663 }
610 664
611 selection_owner = owner; 665 cur_owner = owner;
612} 666}
613 667
614#ifdef USE_XIM 668#if USE_XIM
615 669
616void rxvt_display::reg (im_watcher *w) 670void rxvt_display::reg (im_watcher *w)
617{ 671{
618 imw.push_back (w); 672 imw.push_back (w);
619} 673}
… …
629 int l, m; 683 int l, m;
630 684
631 l = strlen (locale); 685 l = strlen (locale);
632 m = strlen (modifiers); 686 m = strlen (modifiers);
633 687
634 if (!(id = (char *)malloc (l + m + 2))) 688 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
635 return 0; 689 return 0;
636 690
637 memcpy (id, locale, l); id[l] = '\n'; 691 memcpy (id, locale, l); id[l] = '\n';
638 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 692 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
639 693
640 rxvt_xim *xim = xims.get (id); 694 rxvt_xim *xim = xims.get (id);
641
642 free (id);
643 695
644 return xim; 696 return xim;
645} 697}
646 698
647void rxvt_display::put_xim (rxvt_xim *xim) 699void rxvt_display::put_xim (rxvt_xim *xim)
… …
656Atom rxvt_display::atom (const char *name) 708Atom rxvt_display::atom (const char *name)
657{ 709{
658 return XInternAtom (dpy, name, False); 710 return XInternAtom (dpy, name, False);
659} 711}
660 712
713Pixmap
714rxvt_display::get_pixmap_property (Atom property)
715{
716 Pixmap pixmap = None;
717
718 int aformat;
719 unsigned long nitems, bytes_after;
720 Atom atype;
721 unsigned char *prop;
722 int result = XGetWindowProperty (dpy, root, property,
723 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
724 &nitems, &bytes_after, &prop);
725 if (result == Success)
726 {
727 if (atype == XA_PIXMAP)
728 pixmap = *(Pixmap *)prop;
729 XFree (prop);
730 }
731
732 return pixmap;
733}
734
661///////////////////////////////////////////////////////////////////////////// 735/////////////////////////////////////////////////////////////////////////////
662 736
663template class refcache<rxvt_display>; 737template class refcache<rxvt_display>;
664refcache<rxvt_display> displays; 738refcache<rxvt_display> displays;
665 739
… …
669static unsigned int 743static unsigned int
670insert_component (unsigned int value, unsigned int mask, unsigned int shift) 744insert_component (unsigned int value, unsigned int mask, unsigned int shift)
671{ 745{
672 return (value * (mask + 1) >> 16) << shift; 746 return (value * (mask + 1) >> 16) << shift;
673} 747}
674 748
675bool 749bool
676rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 750rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
677{ 751{
752 //TODO: only supports 24 bit
753 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
754
678#if XFT 755#if XFT
679 XRenderPictFormat *format; 756 XRenderPictFormat *format;
680 757
681 // FUCKING Xft gets it wrong, of course, so work around it. 758 // FUCKING Xft gets it wrong, of course, so work around it.
682 // Transparency users should eat shit and die, and then 759 // Transparency users should eat shit and die, and then
… …
686 { 763 {
687 // the fun lies in doing everything manually... 764 // the fun lies in doing everything manually...
688 c.color.red = color.r; 765 c.color.red = color.r;
689 c.color.green = color.g; 766 c.color.green = color.g;
690 c.color.blue = color.b; 767 c.color.blue = color.b;
691 c.color.alpha = color.a; 768 c.color.alpha = alpha;
692 769
770 // Xft wants premultiplied alpha, but abuses the alpha channel
771 // as blend factor, and doesn't allow us to set the alpha channel
772 c.color.red = c.color.red * alpha / 0xffff;
773 c.color.green = c.color.green * alpha / 0xffff;
774 c.color.blue = c.color.blue * alpha / 0xffff;
775
693 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) 776 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
694 | insert_component (color.g, format->direct.greenMask, format->direct.green) 777 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
695 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 778 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
696 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha); 779 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
697 780
698 return true; 781 return true;
699 } 782 }
700 else 783 else
701 { 784 {
702 XRenderColor d; 785 XRenderColor d;
703 786
704 d.red = color.r; 787 d.red = color.r;
705 d.green = color.g; 788 d.green = color.g;
706 d.blue = color.b; 789 d.blue = color.b;
707 d.alpha = color.a; 790 d.alpha = alpha;
708 791
709 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 792 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
793 return true;
710 } 794 }
711#else 795#else
712 c.red = color.r; 796 c.red = color.r;
713 c.green = color.g; 797 c.green = color.g;
714 c.blue = color.b; 798 c.blue = color.b;
715 799
716 if (screen->visual->c_class == TrueColor) 800 if (screen->visual->c_class == TrueColor)
717 { 801 {
718 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask )) 802 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
719 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask)) 803 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
720 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask )); 804 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
721 805
722 return true; 806 return true;
723 } 807 }
724 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 808 else if (XAllocColor (screen->dpy, screen->cmap, &c))
725 return true; 809 return true;
726 else 810#endif
811
727 c.pixel = (color.r + color.g + color.b) > 128*3 812 c.pixel = (color.r + color.g + color.b) > 128*3
728 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) 813 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
729 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); 814 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
730#endif
731 815
732 return false; 816 return false;
733} 817}
734 818
735bool 819bool
… …
737{ 821{
738 rgba c; 822 rgba c;
739 char eos; 823 char eos;
740 int skip; 824 int skip;
741 825
826 c.a = rgba::MAX_CC;
827
742 // parse the nonstandard "[alphapercent]" prefix 828 // parse the nonstandard "[alphapercent]" prefix
743 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 829 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
744 { 830 {
745 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 831 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
746 name += skip; 832 name += skip;
747 } 833 }
748 else
749 c.a = rgba::MAX_CC;
750 834
751 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 835 // 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)) 836 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 { 837 {
754 XColor xc, xc_exact; 838 XColor xc;
755 839
756 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 840 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
757 { 841 {
758 c.r = xc.red; 842 c.r = xc.red;
759 c.g = xc.green; 843 c.g = xc.green;
… …
786 { 870 {
787 XColor *colors = new XColor [screen->visual->map_entries]; 871 XColor *colors = new XColor [screen->visual->map_entries];
788 872
789 for (int i = 0; i < cmap_size; i++) 873 for (int i = 0; i < cmap_size; i++)
790 colors [i].pixel = i; 874 colors [i].pixel = i;
791 875
792 // many kilobytes transfer per colour, but pseudocolor isn't worth 876 // many kilobytes transfer per colour, but pseudocolor isn't worth
793 // many extra optimisations. 877 // many extra optimisations.
794 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); 878 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
795 879
880 while (cmap_size)
881 {
796 int diff = 0x7fffffffUL; 882 int diff = 0x7fffffffUL;
797 XColor *best = colors; 883 XColor *best = colors;
798 884
799 for (int i = 0; i < cmap_size; i++) 885 for (int i = 0; i < cmap_size; i++)
800 {
801 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
802 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
803 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
804
805 if (d < diff)
806 { 886 {
887 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
888 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
889 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
890
891 if (d < diff)
892 {
807 diff = d; 893 diff = d;
808 best = colors + i; 894 best = colors + i;
895 }
809 } 896 }
810 }
811 897
812 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 898 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d,%d)\n",
813 // color.r, color.g, color.b, best->red, best->green, best->blue, diff); 899 // color.r, color.g, color.b, best->red, best->green, best->blue, diff, best - colors);
814 900
815 got = alloc (screen, rgba (best->red, best->green, best->blue)); 901 got = alloc (screen, rgba (best->red, best->green, best->blue));
902
903 if (got)
904 break;
905
906 *best = colors [--cmap_size];
907 }
816 908
817 delete [] colors; 909 delete [] colors;
818 } 910 }
819#endif 911#endif
820 912
821 return got; 913 return got;
822} 914}
823 915
824void 916void
825rxvt_color::get (rgba &color) 917rxvt_color::get (rgba &color) const
826{ 918{
827#if XFT 919#if XFT
828 color.r = c.color.red; 920 color.r = c.color.red;
829 color.g = c.color.green; 921 color.g = c.color.green;
830 color.b = c.color.blue; 922 color.b = c.color.blue;
… …
836 color.a = rgba::MAX_CC; 928 color.a = rgba::MAX_CC;
837#endif 929#endif
838} 930}
839 931
840void 932void
841rxvt_color::get (XColor &color) 933rxvt_color::get (XColor &color) const
842{ 934{
843 rgba c; 935 rgba c;
844 get (c); 936 get (c);
845 937
846 color.red = c.r; 938 color.red = c.r;
847 color.green = c.g; 939 color.green = c.g;
848 color.blue = c.b; 940 color.blue = c.b;
849 color.pixel = (Pixel)*this; 941 color.pixel = (Pixel)*this;
850} 942}
851 943
852void 944void
853rxvt_color::free (rxvt_screen *screen) 945rxvt_color::free (rxvt_screen *screen)
854{ 946{
855 if (screen->visual->c_class == TrueColor) 947 if (screen->visual->c_class == TrueColor)
856 return; // nothing to do 948 return; // nothing to do
857 949
… …
877 lerp (c.a, to.a, percent) 969 lerp (c.a, to.a, percent)
878 ) 970 )
879 ); 971 );
880} 972}
881 973
974rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
975: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
976{
977 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
978
979 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
980 timer_ev.repeat = 10.;
981 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
982
983 incr_buf = 0;
984 incr_buf_size = incr_buf_fill = 0;
985 selection_wait = Sel_normal;
986 selection_type = selnum;
987 cb_sv = 0;
988}
989
990void
991rxvt_selection::stop ()
992{
993 free (incr_buf);
994 incr_buf = 0;
995 timer_ev.stop ();
996 x_ev.stop (display);
997}
998
999rxvt_selection::~rxvt_selection ()
1000{
1001 stop ();
1002}
1003
1004void
1005rxvt_selection::run ()
1006{
1007 int selnum = selection_type;
1008
1009#if ENABLE_FRILLS
1010 if (selnum == Sel_Primary && display->selection_owner)
1011 {
1012 /* internal selection */
1013 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1014 finish (str, strlen (str));
1015 free (str);
1016 return;
1017 }
1018#endif
1019
1020#if X_HAVE_UTF8_STRING
1021 selection_type = Sel_UTF8String;
1022 if (request (display->xa[XA_UTF8_STRING], selnum))
1023 return;
1024#else
1025 selection_type = Sel_CompoundText;
1026 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1027 return;
1028#endif
1029
1030 // fallback to CUT_BUFFER0 if the requested property has no owner
1031 handle_selection (display->root, XA_CUT_BUFFER0, false);
1032}
1033
1034void
1035rxvt_selection::finish (char *data, unsigned int len)
1036{
1037 if (!cb_sv)
1038 {
1039 if (data)
1040 term->paste (data, len);
1041
1042 term->selection_req = 0;
1043 delete this;
1044 }
1045#if ENABLE_PERL
1046 else
1047 {
1048 stop (); // we do not really trust perl callbacks
1049 rxvt_perl.selection_finish (this, data, len);
1050 }
1051#endif
1052}
1053
1054bool
1055rxvt_selection::request (Atom target, int selnum)
1056{
1057 Atom sel;
1058
1059 selection_type |= selnum;
1060
1061 if (selnum == Sel_Primary)
1062 sel = XA_PRIMARY;
1063 else if (selnum == Sel_Secondary)
1064 sel = XA_SECONDARY;
1065 else
1066 sel = display->xa[XA_CLIPBOARD];
1067
1068 if (XGetSelectionOwner (display->dpy, sel) != None)
1069 {
1070 XConvertSelection (display->dpy, sel, target, request_prop,
1071 request_win, request_time);
1072 x_ev.start (display, request_win);
1073 timer_ev.again ();
1074 return true;
1075 }
1076
1077 return false;
1078}
1079
1080void
1081rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1082{
1083 Display *dpy = display->dpy;
1084 char *data = 0;
1085 unsigned int data_len = 0;
1086 unsigned long bytes_after;
1087 XTextProperty ct;
1088
1089 // check for failed XConvertSelection
1090 if (prop == None)
1091 {
1092 bool error = true;
1093 int selnum = selection_type & Sel_whereMask;
1094
1095 if (selection_type & Sel_CompoundText)
1096 {
1097 selection_type = 0;
1098 error = !request (XA_STRING, selnum);
1099 }
1100
1101 if (selection_type & Sel_UTF8String)
1102 {
1103 selection_type = Sel_CompoundText;
1104 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1105 }
1106
1107 if (error)
1108 {
1109 ct.value = 0;
1110 goto bailout;
1111 }
1112
1113 return;
1114 }
1115
1116 // length == (2^31 - 1) / 4, as gdk
1117 if (XGetWindowProperty (dpy, win, prop,
1118 0, 0x1fffffff,
1119 delete_prop, AnyPropertyType,
1120 &ct.encoding, &ct.format,
1121 &ct.nitems, &bytes_after,
1122 &ct.value) != Success)
1123 {
1124 ct.value = 0;
1125 goto bailout;
1126 }
1127
1128 if (ct.encoding == None)
1129 goto bailout;
1130
1131 if (ct.value == 0)
1132 goto bailout;
1133
1134 if (ct.encoding == display->xa[XA_INCR])
1135 {
1136 // INCR selection, start handshake
1137 if (!delete_prop)
1138 XDeleteProperty (dpy, win, prop);
1139
1140 selection_wait = Sel_incr;
1141 timer_ev.again ();
1142
1143 goto bailout;
1144 }
1145
1146 if (ct.nitems == 0)
1147 {
1148 if (selection_wait == Sel_incr)
1149 {
1150 XFree (ct.value);
1151
1152 // finally complete, now paste the whole thing
1153 selection_wait = Sel_normal;
1154 ct.value = (unsigned char *)incr_buf;
1155 ct.nitems = incr_buf_fill;
1156 incr_buf = 0;
1157 timer_ev.stop ();
1158 }
1159 else
1160 {
1161 // avoid recursion
1162 if (win != display->root || prop != XA_CUT_BUFFER0)
1163 {
1164 XFree (ct.value);
1165
1166 // fallback to CUT_BUFFER0 if the requested property
1167 // has an owner but is empty
1168 handle_selection (display->root, XA_CUT_BUFFER0, False);
1169 return;
1170 }
1171
1172 goto bailout;
1173 }
1174 }
1175 else if (selection_wait == Sel_incr)
1176 {
1177 timer_ev.again ();
1178
1179 while (incr_buf_fill + ct.nitems > incr_buf_size)
1180 {
1181 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1182 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1183 }
1184
1185 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1186 incr_buf_fill += ct.nitems;
1187
1188 goto bailout;
1189 }
1190
1191 char **cl;
1192 int cr;
1193
1194 // we honour the first item only
1195
1196#if !ENABLE_MINIMAL
1197 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1198 // so recode it manually
1199 if (ct.encoding == display->xa[XA_UTF8_STRING])
1200 {
1201 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1202 data = rxvt_wcstombs (w);
1203 free (w);
1204 }
1205 else
1206#endif
1207 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1208 && cl)
1209 {
1210 data = strdup (cl[0]);
1211 XFreeStringList (cl);
1212 }
1213 else
1214 {
1215 // paste raw
1216 data = strdup ((const char *)ct.value);
1217 }
1218
1219 data_len = strlen (data);
1220
1221bailout:
1222 XFree (ct.value);
1223
1224 if (selection_wait == Sel_normal)
1225 {
1226 finish (data, data_len);
1227 free (data);
1228 }
1229}
1230
1231void
1232rxvt_selection::timer_cb (ev::timer &w, int revents)
1233{
1234 if (selection_wait == Sel_incr)
1235 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1236
1237 finish ();
1238}
1239
1240void
1241rxvt_selection::x_cb (XEvent &xev)
1242{
1243 switch (xev.type)
1244 {
1245 case PropertyNotify:
1246 if (selection_wait == Sel_incr
1247 && xev.xproperty.atom == request_prop
1248 && xev.xproperty.state == PropertyNewValue)
1249 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1250 break;
1251
1252 case SelectionNotify:
1253 if (selection_wait == Sel_normal
1254 && xev.xselection.time == request_time)
1255 {
1256 timer_ev.stop ();
1257 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1258 }
1259 break;
1260 }
1261}

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