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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.54 by root, Sun Feb 19 16:53:49 2006 UTC vs.
Revision 1.132 by sf-exg, Sun Jun 3 15:50:22 2012 UTC

1/*--------------------------------*-C-*---------------------------------* 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) 2003-2004 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;
262 visual = DefaultVisualOfScreen (screen); 261 visual = DefaultVisualOfScreen (screen);
263 cmap = DefaultColormapOfScreen (screen); 262 cmap = DefaultColormapOfScreen (screen);
264} 263}
265 264
266void 265void
267rxvt_screen::set (rxvt_display *disp, int bitdepth) 266rxvt_screen::select_visual (int bitdepth)
268{ 267{
269 set (disp);
270
271#if XFT 268#if XFT
272 XVisualInfo vinfo; 269 XVisualInfo vinfo;
273 270
274 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo)) 271 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
275 { 272 {
276 depth = bitdepth; 273 depth = bitdepth;
277 visual = vinfo.visual; 274 visual = vinfo.visual;
278 cmap = XCreateColormap (dpy, disp->root, visual, AllocNone); 275 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
279 } 276 }
280#endif 277#endif
281} 278}
282 279
283void 280void
297 294
298///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
299 296
300rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
301: refcounted (id) 298: refcounted (id)
302, x_ev (this, &rxvt_display::x_cb)
303, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
304{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
305} 304}
306 305
307XrmDatabase 306XrmDatabase
308rxvt_display::get_resources (bool refresh) 307rxvt_display::get_resources (bool refresh)
309{ 308{
310 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
311 char fname[1024]; 310 char fname[1024];
312 311
313 /* 312 /*
314 * get resources using the X library function 313 * get resources using the X library function
315 */ 314 */
316 char *displayResource, *xe; 315 char *displayResource, *xe;
317 XrmDatabase rdb1, database = 0; 316 XrmDatabase rdb1, database = 0;
318 317
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
319 // 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
320 325
321 // 6. System wide per application default file. 326 // 6. System wide per application default file.
322 327
323 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
324 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
325 { 330 {
326 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
327 332
328 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
329 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
331 336
332 // 5. User's per application default file. 337 // 5. User's per application default file.
333 // none 338 // none
334 339
335 // 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
336 /* Get any Xserver defaults */ 349 /* Get any Xserver defaults */
337 if (refresh) 350 if (refresh)
338 { 351 {
339 // fucking xlib keeps a copy of the rm string 352 // fucking xlib keeps a copy of the rm string
340 Atom actual_type; 353 Atom actual_type;
345#if XLIB_ILLEGAL_ACCESS 358#if XLIB_ILLEGAL_ACCESS
346 if (dpy->xdefaults) 359 if (dpy->xdefaults)
347 XFree (dpy->xdefaults); 360 XFree (dpy->xdefaults);
348#endif 361#endif
349 362
350 if (XGetWindowProperty (dpy, RootWindow(dpy, 0), XA_RESOURCE_MANAGER, 363 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
351 0L, 100000000L, False, 364 0L, 100000000L, False,
352 XA_STRING, &actual_type, &actual_format, 365 XA_STRING, &actual_type, &actual_format,
353 &nitems, &nremaining, 366 &nitems, &nremaining,
354 (unsigned char **)&val) == Success 367 (unsigned char **)&val) == Success
355 && actual_type == XA_STRING 368 && actual_type == XA_STRING
356 && actual_format == 8) 369 && actual_format == 8)
357 displayResource = val; 370 displayResource = val;
358 else 371 else
359 { 372 {
360 displayResource = 0; 373 displayResource = 0;
374
361 if (val) 375 if (val)
362 XFree(val); 376 XFree (val);
363 } 377 }
364 378
365#if XLIB_ILLEGAL_ACCESS 379#if XLIB_ILLEGAL_ACCESS
366 dpy->xdefaults = displayResource; 380 dpy->xdefaults = displayResource;
367#endif 381#endif
368 } 382 }
370 displayResource = XResourceManagerString (dpy); 384 displayResource = XResourceManagerString (dpy);
371 385
372 if (displayResource) 386 if (displayResource)
373 { 387 {
374 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
375 XrmMergeDatabases (rdb1, &database);
376 }
377 else if (homedir)
378 {
379 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
380
381 if ((rdb1 = XrmGetFileDatabase (fname)))
382 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
383 } 390 }
384 391
385#if !XLIB_ILLEGAL_ACCESS 392#if !XLIB_ILLEGAL_ACCESS
386 if (refresh && displayResource) 393 if (refresh && displayResource)
399 XFree (displayResource); 406 XFree (displayResource);
400 } 407 }
401 408
402 // 3. User's per host defaults file 409 // 3. User's per host defaults file
403 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
404 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
405 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
406 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
407 else if (homedir) 414 else if (homedir)
408 { 415 {
409 struct utsname un; 416 struct utsname un;
423bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
424{ 431{
425#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
426 if (id[0] == ':') 433 if (id[0] == ':')
427 { 434 {
428 val = rxvt_malloc (5 + strlen (id) + 1); 435 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
436
429 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
430 strcat (val, id); 438 strcat (val, id);
439
431 dpy = XOpenDisplay (val); 440 dpy = XOpenDisplay (val);
432 free (val);
433 } 441 }
434 else 442 else
435#endif 443#endif
436 dpy = 0; 444 dpy = 0;
437 445
442 return false; 450 return false;
443 451
444 screen = DefaultScreen (dpy); 452 screen = DefaultScreen (dpy);
445 root = DefaultRootWindow (dpy); 453 root = DefaultRootWindow (dpy);
446 454
447 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 455 assert (ecb_array_length (xa_names) == NUM_XA);
448 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 456 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
449 457
450 XrmSetDatabase (dpy, get_resources (false)); 458 XrmSetDatabase (dpy, get_resources (false));
451 459
452#ifdef POINTER_BLANK 460#ifdef POINTER_BLANK
458 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ', 466 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
459 &blackcolour, &blackcolour); 467 &blackcolour, &blackcolour);
460 XUnloadFont (dpy, f); 468 XUnloadFont (dpy, f);
461#endif 469#endif
462 470
471 flags = 0;
472#if XRENDER
473 int major, minor;
474 if (XRenderQueryVersion (dpy, &major, &minor))
475 {
476 flags |= DISPLAY_HAS_RENDER;
477
478 if (major > 0 || (major == 0 && minor >= 11))
479 flags |= DISPLAY_HAS_RENDER_MUL;
480
481 XFilters *filters = XRenderQueryFilters (dpy, root);
482 if (filters)
483 {
484 for (int i = 0; i < filters->nfilter; i++)
485 if (!strcmp (filters->filter[i], FilterConvolution))
486 flags |= DISPLAY_HAS_RENDER_CONV;
487
488 XFree (filters);
489 }
490 }
491#endif
492
463 int fd = XConnectionNumber (dpy); 493 int fd = XConnectionNumber (dpy);
464 494
465 // try to detect wether we have a local connection. 495 // try to detect whether we have a local connection.
466 // assume unix domains socket == local, everything else not 496 // assume unix domain socket == local, everything else not
467 // TODO: might want to check for inet/127.0.0.1 497 // TODO: might want to check for inet/127.0.0.1
468 is_local = 0; 498 is_local = 0;
469 sockaddr_un sa; 499 sockaddr_un sa;
470 socklen_t sl = sizeof (sa); 500 socklen_t sl = sizeof (sa);
471 501
472 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 502 if (!getsockname (fd, (sockaddr *)&sa, &sl))
473 is_local = sa.sun_family == AF_LOCAL; 503 is_local = sa.sun_family == AF_UNIX;
474 504
505 flush_ev.start ();
475 x_ev.start (fd, EVENT_READ); 506 x_ev.start (fd, ev::READ);
476 fcntl (fd, F_SETFD, FD_CLOEXEC); 507 fcntl (fd, F_SETFD, FD_CLOEXEC);
477 508
478 XSelectInput (dpy, root, PropertyChangeMask); 509 XSelectInput (dpy, root, PropertyChangeMask);
479 510
480 flush (); 511 flush ();
483} 514}
484 515
485void 516void
486rxvt_display::ref_next () 517rxvt_display::ref_next ()
487{ 518{
488 // TODO: somehow check wether the database files/resources changed 519 // TODO: somehow check whether the database files/resources changed
489 // before affording re-loading/parsing 520 // before affording re-loading/parsing
490 XrmDestroyDatabase (XrmGetDatabase (dpy)); 521 XrmDestroyDatabase (XrmGetDatabase (dpy));
522#if XLIB_ILLEGAL_ACCESS
523 /* work around a bug in XrmSetDatabase where it frees the db */
524 dpy->db = 0;
525#endif
491 XrmSetDatabase (dpy, get_resources (true)); 526 XrmSetDatabase (dpy, get_resources (true));
492} 527}
493 528
494rxvt_display::~rxvt_display () 529rxvt_display::~rxvt_display ()
495{ 530{
498 533
499#ifdef POINTER_BLANK 534#ifdef POINTER_BLANK
500 XFreeCursor (dpy, blank_cursor); 535 XFreeCursor (dpy, blank_cursor);
501#endif 536#endif
502 x_ev.stop (); 537 x_ev.stop ();
538 flush_ev.stop ();
503#ifdef USE_XIM 539#ifdef USE_XIM
504 xims.clear (); 540 xims.clear ();
505#endif 541#endif
542 XrmDestroyDatabase (XrmGetDatabase (dpy));
506 XCloseDisplay (dpy); 543 XCloseDisplay (dpy);
507} 544}
508 545
509#ifdef USE_XIM 546#ifdef USE_XIM
510void rxvt_display::im_change_cb () 547void rxvt_display::im_change_cb ()
522 unsigned long nitems, bytes_after; 559 unsigned long nitems, bytes_after;
523 560
524 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 561 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
525 False, XA_ATOM, &actual_type, &actual_format, 562 False, XA_ATOM, &actual_type, &actual_format,
526 &nitems, &bytes_after, (unsigned char **)&atoms) 563 &nitems, &bytes_after, (unsigned char **)&atoms)
527 != Success ) 564 != Success)
528 return; 565 return;
529 566
530 if (actual_type == XA_ATOM && actual_format == 32) 567 if (actual_type == XA_ATOM && actual_format == 32)
531 for (int i = 0; i < nitems; i++) 568 for (int i = 0; i < nitems; i++)
532 if (XGetSelectionOwner (dpy, atoms[i])) 569 if (XGetSelectionOwner (dpy, atoms[i]))
533 { 570 {
534 im_change_cb (); 571 im_change_cb ();
535 break; 572 break;
537 574
538 XFree (atoms); 575 XFree (atoms);
539} 576}
540#endif 577#endif
541 578
542void rxvt_display::x_cb (io_watcher &w, short revents) 579void rxvt_display::x_cb (ev::io &w, int revents)
543{ 580{
581 flush_ev.start ();
582}
583
584void rxvt_display::flush_cb (ev::prepare &w, int revents)
585{
586 while (XEventsQueued (dpy, QueuedAfterFlush))
544 do 587 do
545 { 588 {
546 XEvent xev; 589 XEvent xev;
547 XNextEvent (dpy, &xev); 590 XNextEvent (dpy, &xev);
548 591
549#ifdef USE_XIM 592#ifdef USE_XIM
550 if (!XFilterEvent (&xev, None)) 593 if (!XFilterEvent (&xev, None))
551 { 594 {
552 if (xev.type == PropertyNotify 595 if (xev.type == PropertyNotify
553 && xev.xany.window == root 596 && xev.xany.window == root
554 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 597 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
555 im_change_check (); 598 im_change_check ();
556#endif 599#endif
600 if (xev.type == MappingNotify)
601 XRefreshKeyboardMapping (&xev.xmapping);
602
557 for (int i = xw.size (); i--; ) 603 for (int i = xw.size (); i--; )
558 { 604 {
559 if (!xw[i]) 605 if (!xw[i])
560 xw.erase_unordered (i); 606 xw.erase_unordered (i);
561 else if (xw[i]->window == xev.xany.window) 607 else if (xw[i]->window == xev.xany.window)
562 xw[i]->call (xev); 608 xw[i]->call (xev);
563 } 609 }
564#ifdef USE_XIM 610#ifdef USE_XIM
565 } 611 }
566#endif 612#endif
567 } 613 }
568 while (XEventsQueued (dpy, QueuedAlready)); 614 while (XEventsQueued (dpy, QueuedAlready));
569 615
570 XFlush (dpy); 616 w.stop ();
571}
572
573void rxvt_display::flush ()
574{
575 if (XEventsQueued (dpy, QueuedAlready))
576 x_cb (x_ev, EVENT_READ);
577
578 XFlush (dpy);
579} 617}
580 618
581void rxvt_display::reg (xevent_watcher *w) 619void rxvt_display::reg (xevent_watcher *w)
582{ 620{
621 if (!w->active)
622 {
583 xw.push_back (w); 623 xw.push_back (w);
584 w->active = xw.size (); 624 w->active = xw.size ();
625 }
585} 626}
586 627
587void rxvt_display::unreg (xevent_watcher *w) 628void rxvt_display::unreg (xevent_watcher *w)
588{ 629{
589 if (w->active) 630 if (w->active)
631 {
590 xw[w->active - 1] = 0; 632 xw[w->active - 1] = 0;
633 w->active = 0;
634 }
591} 635}
592 636
593void rxvt_display::set_selection_owner (rxvt_term *owner) 637void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
594{ 638{
639 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
640
595 if (selection_owner && selection_owner != owner) 641 if (cur_owner && cur_owner != owner)
596 selection_owner->selection_clear (); 642 {
643 rxvt_term *term = cur_owner;
644 term->selection_clear (clipboard);
645 term->flush ();
646 }
597 647
598 selection_owner = owner; 648 cur_owner = owner;
599} 649}
600 650
601#ifdef USE_XIM 651#ifdef USE_XIM
602 652
603void rxvt_display::reg (im_watcher *w) 653void rxvt_display::reg (im_watcher *w)
616 int l, m; 666 int l, m;
617 667
618 l = strlen (locale); 668 l = strlen (locale);
619 m = strlen (modifiers); 669 m = strlen (modifiers);
620 670
621 if (!(id = (char *)malloc (l + m + 2))) 671 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
622 return 0; 672 return 0;
623 673
624 memcpy (id, locale, l); id[l] = '\n'; 674 memcpy (id, locale, l); id[l] = '\n';
625 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 675 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
626 676
627 rxvt_xim *xim = xims.get (id); 677 rxvt_xim *xim = xims.get (id);
628
629 free (id);
630 678
631 return xim; 679 return xim;
632} 680}
633 681
634void rxvt_display::put_xim (rxvt_xim *xim) 682void rxvt_display::put_xim (rxvt_xim *xim)
649 697
650template class refcache<rxvt_display>; 698template class refcache<rxvt_display>;
651refcache<rxvt_display> displays; 699refcache<rxvt_display> displays;
652 700
653///////////////////////////////////////////////////////////////////////////// 701/////////////////////////////////////////////////////////////////////////////
654 702//
703
704static unsigned int
705insert_component (unsigned int value, unsigned int mask, unsigned int shift)
706{
707 return (value * (mask + 1) >> 16) << shift;
708}
709
655bool 710bool
656rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 711rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
657{ 712{
713 //TODO: only supports 24 bit
714 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
715
658#if XFT 716#if XFT
659 XRenderPictFormat *format; 717 XRenderPictFormat *format;
660 718
661 // FUCKING Xft gets it wrong, of course, so work around it. 719 // FUCKING Xft gets it wrong, of course, so work around it.
662 // Transparency users should eat shit and die, and then 720 // Transparency users should eat shit and die, and then
666 { 724 {
667 // the fun lies in doing everything manually... 725 // the fun lies in doing everything manually...
668 c.color.red = color.r; 726 c.color.red = color.r;
669 c.color.green = color.g; 727 c.color.green = color.g;
670 c.color.blue = color.b; 728 c.color.blue = color.b;
671 c.color.alpha = color.a; 729 c.color.alpha = alpha;
672 730
731 // Xft wants premultiplied alpha, but abuses the alpha channel
732 // as blend factor, and doesn't allow us to set the alpha channel
733 c.color.red = c.color.red * alpha / 0xffff;
734 c.color.green = c.color.green * alpha / 0xffff;
735 c.color.blue = c.color.blue * alpha / 0xffff;
736
673 c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red ) 737 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
674 | ((color.g * format->direct.greenMask / rgba::MAX_CC) << format->direct.green) 738 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
675 | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue ) 739 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
676 | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha); 740 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
677 741
678 return true; 742 return true;
679 } 743 }
680 else 744 else
681 { 745 {
682 XRenderColor d; 746 XRenderColor d;
683 747
684 d.red = color.r; 748 d.red = color.r;
685 d.green = color.g; 749 d.green = color.g;
686 d.blue = color.b; 750 d.blue = color.b;
687 d.alpha = color.a; 751 d.alpha = alpha;
688 752
689 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 753 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
754 return true;
690 } 755 }
691#else 756#else
692 c.red = color.r; 757 c.red = color.r;
693 c.green = color.g; 758 c.green = color.g;
694 c.blue = color.b; 759 c.blue = color.b;
695 760
696 if (screen->visual->c_class == TrueColor) 761 if (screen->visual->c_class == TrueColor)
697 { 762 {
698 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask )) 763 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
699 / rgba::MAX_CC) << ctz (screen->visual->red_mask ) 764 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
700 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
701 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
702 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask )) 765 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
703 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
704 766
705 return true; 767 return true;
706 } 768 }
707 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 769 else if (XAllocColor (screen->dpy, screen->cmap, &c))
708 return true; 770 return true;
709 else 771#endif
772
710 c.pixel = (color.r + color.g + color.b) > 128*3 773 c.pixel = (color.r + color.g + color.b) > 128*3
711 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) 774 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
712 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); 775 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
713#endif
714 776
715 return false; 777 return false;
716} 778}
717 779
718bool 780bool
720{ 782{
721 rgba c; 783 rgba c;
722 char eos; 784 char eos;
723 int skip; 785 int skip;
724 786
787 c.a = rgba::MAX_CC;
788
725 // parse the nonstandard "[alphapercent]" prefix 789 // parse the nonstandard "[alphapercent]" prefix
726 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 790 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
727 { 791 {
728 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 792 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
729 name += skip; 793 name += skip;
730 } 794 }
731 else
732 c.a = rgba::MAX_CC;
733 795
734 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 796 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
735 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos)) 797 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
736 { 798 {
737 XColor xc, xc_exact; 799 XColor xc;
738 800
739 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 801 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
740 { 802 {
741 c.r = xc.red; 803 c.r = xc.red;
742 c.g = xc.green; 804 c.g = xc.green;
769 { 831 {
770 XColor *colors = new XColor [screen->visual->map_entries]; 832 XColor *colors = new XColor [screen->visual->map_entries];
771 833
772 for (int i = 0; i < cmap_size; i++) 834 for (int i = 0; i < cmap_size; i++)
773 colors [i].pixel = i; 835 colors [i].pixel = i;
774 836
775 // many kilobytes transfer per colour, but pseudocolor isn't worth 837 // many kilobytes transfer per colour, but pseudocolor isn't worth
776 // many extra optimisations. 838 // many extra optimisations.
777 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); 839 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
778 840
779 int diff = 0x7fffffffUL; 841 int diff = 0x7fffffffUL;
792 } 854 }
793 } 855 }
794 856
795 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 857 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
796 // color.r, color.g, color.b, best->red, best->green, best->blue, diff); 858 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
797 859
798 got = alloc (screen, rgba (best->red, best->green, best->blue)); 860 got = alloc (screen, rgba (best->red, best->green, best->blue));
799 861
800 delete colors; 862 delete [] colors;
801 } 863 }
802#endif 864#endif
803 865
804 return got; 866 return got;
805} 867}
830 color.green = c.g; 892 color.green = c.g;
831 color.blue = c.b; 893 color.blue = c.b;
832 color.pixel = (Pixel)*this; 894 color.pixel = (Pixel)*this;
833} 895}
834 896
835void 897void
836rxvt_color::free (rxvt_screen *screen) 898rxvt_color::free (rxvt_screen *screen)
837{ 899{
838 if (screen->visual->c_class == TrueColor) 900 if (screen->visual->c_class == TrueColor)
839 return; // nothing to do 901 return; // nothing to do
840 902
860 lerp (c.a, to.a, percent) 922 lerp (c.a, to.a, percent)
861 ) 923 )
862 ); 924 );
863} 925}
864 926
927rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
928: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
929{
930 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
931
932 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
933 timer_ev.repeat = 10.;
934 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
935
936 incr_buf = 0;
937 incr_buf_size = incr_buf_fill = 0;
938 selection_wait = Sel_normal;
939 selection_type = selnum;
940 cb_sv = 0;
941}
942
943void
944rxvt_selection::stop ()
945{
946 free (incr_buf);
947 incr_buf = 0;
948 timer_ev.stop ();
949 x_ev.stop (display);
950}
951
952rxvt_selection::~rxvt_selection ()
953{
954 stop ();
955}
956
957void
958rxvt_selection::run ()
959{
960 int selnum = selection_type;
961
962#if ENABLE_FRILLS
963 if (selnum == Sel_Primary && display->selection_owner)
964 {
965 /* internal selection */
966 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
967 finish (str, strlen (str));
968 free (str);
969 return;
970 }
971#endif
972
973#if X_HAVE_UTF8_STRING
974 selection_type = Sel_UTF8String;
975 if (request (display->xa[XA_UTF8_STRING], selnum))
976 return;
977#else
978 selection_type = Sel_CompoundText;
979 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
980 return;
981#endif
982
983 // fallback to CUT_BUFFER0 if the requested property has no owner
984 handle_selection (display->root, XA_CUT_BUFFER0, false);
985}
986
987void
988rxvt_selection::finish (char *data, unsigned int len)
989{
990 if (!cb_sv)
991 {
992 if (data)
993 term->paste (data, len);
994
995 term->selection_req = 0;
996 delete this;
997 }
998#if ENABLE_PERL
999 else
1000 {
1001 stop (); // we do not really trust perl callbacks
1002 rxvt_perl.selection_finish (this, data, len);
1003 }
1004#endif
1005}
1006
1007bool
1008rxvt_selection::request (Atom target, int selnum)
1009{
1010 Atom sel;
1011
1012 selection_type |= selnum;
1013
1014 if (selnum == Sel_Primary)
1015 sel = XA_PRIMARY;
1016 else if (selnum == Sel_Secondary)
1017 sel = XA_SECONDARY;
1018 else
1019 sel = display->xa[XA_CLIPBOARD];
1020
1021 if (XGetSelectionOwner (display->dpy, sel) != None)
1022 {
1023 XConvertSelection (display->dpy, sel, target, request_prop,
1024 request_win, request_time);
1025 x_ev.start (display, request_win);
1026 timer_ev.again ();
1027 return true;
1028 }
1029
1030 return false;
1031}
1032
1033void
1034rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1035{
1036 Display *dpy = display->dpy;
1037 char *data = 0;
1038 unsigned int data_len = 0;
1039 unsigned long bytes_after;
1040 XTextProperty ct;
1041
1042 // check for failed XConvertSelection
1043 if (prop == None)
1044 {
1045 bool error = true;
1046 int selnum = selection_type & Sel_whereMask;
1047
1048 if (selection_type & Sel_CompoundText)
1049 {
1050 selection_type = 0;
1051 error = !request (XA_STRING, selnum);
1052 }
1053
1054 if (selection_type & Sel_UTF8String)
1055 {
1056 selection_type = Sel_CompoundText;
1057 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1058 }
1059
1060 if (error)
1061 {
1062 ct.value = 0;
1063 goto bailout;
1064 }
1065
1066 return;
1067 }
1068
1069 // length == (2^31 - 1) / 4, as gdk
1070 if (XGetWindowProperty (dpy, win, prop,
1071 0, 0x1fffffff,
1072 delete_prop, AnyPropertyType,
1073 &ct.encoding, &ct.format,
1074 &ct.nitems, &bytes_after,
1075 &ct.value) != Success)
1076 {
1077 ct.value = 0;
1078 goto bailout;
1079 }
1080
1081 if (ct.encoding == None)
1082 goto bailout;
1083
1084 if (ct.value == 0)
1085 goto bailout;
1086
1087 if (ct.encoding == display->xa[XA_INCR])
1088 {
1089 // INCR selection, start handshake
1090 if (!delete_prop)
1091 XDeleteProperty (dpy, win, prop);
1092
1093 selection_wait = Sel_incr;
1094 timer_ev.again ();
1095
1096 goto bailout;
1097 }
1098
1099 if (ct.nitems == 0)
1100 {
1101 if (selection_wait == Sel_incr)
1102 {
1103 XFree (ct.value);
1104
1105 // finally complete, now paste the whole thing
1106 selection_wait = Sel_normal;
1107 ct.value = (unsigned char *)incr_buf;
1108 ct.nitems = incr_buf_fill;
1109 incr_buf = 0;
1110 timer_ev.stop ();
1111 }
1112 else
1113 {
1114 // avoid recursion
1115 if (win != display->root || prop != XA_CUT_BUFFER0)
1116 {
1117 XFree (ct.value);
1118
1119 // fallback to CUT_BUFFER0 if the requested property
1120 // has an owner but is empty
1121 handle_selection (display->root, XA_CUT_BUFFER0, False);
1122 return;
1123 }
1124
1125 goto bailout;
1126 }
1127 }
1128 else if (selection_wait == Sel_incr)
1129 {
1130 timer_ev.again ();
1131
1132 while (incr_buf_fill + ct.nitems > incr_buf_size)
1133 {
1134 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1135 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1136 }
1137
1138 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1139 incr_buf_fill += ct.nitems;
1140
1141 goto bailout;
1142 }
1143
1144 char **cl;
1145 int cr;
1146
1147 // we honour the first item only
1148
1149#if !ENABLE_MINIMAL
1150 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1151 // so recode it manually
1152 if (ct.encoding == display->xa[XA_UTF8_STRING])
1153 {
1154 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1155 data = rxvt_wcstombs (w);
1156 free (w);
1157 }
1158 else
1159#endif
1160 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1161 && cl)
1162 {
1163 data = strdup (cl[0]);
1164 XFreeStringList (cl);
1165 }
1166 else
1167 {
1168 // paste raw
1169 data = strdup ((const char *)ct.value);
1170 }
1171
1172 data_len = strlen (data);
1173
1174bailout:
1175 XFree (ct.value);
1176
1177 if (selection_wait == Sel_normal)
1178 {
1179 finish (data, data_len);
1180 free (data);
1181 }
1182}
1183
1184void
1185rxvt_selection::timer_cb (ev::timer &w, int revents)
1186{
1187 if (selection_wait == Sel_incr)
1188 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1189
1190 finish ();
1191}
1192
1193void
1194rxvt_selection::x_cb (XEvent &xev)
1195{
1196 switch (xev.type)
1197 {
1198 case PropertyNotify:
1199 if (selection_wait == Sel_incr
1200 && xev.xproperty.atom == request_prop
1201 && xev.xproperty.state == PropertyNewValue)
1202 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1203 break;
1204
1205 case SelectionNotify:
1206 if (selection_wait == Sel_normal
1207 && xev.xselection.time == request_time)
1208 {
1209 timer_ev.stop ();
1210 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1211 }
1212 break;
1213 }
1214}

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