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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.57 by root, Mon Feb 20 22:42:01 2006 UTC vs.
Revision 1.136 by root, Wed Jun 6 20:22:04 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#if 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",
… …
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;
… …
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;
… …
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 >= 10))
479 flags |= DISPLAY_HAS_RENDER_10;
480
481 if (major > 0 || (major == 0 && minor >= 11))
482 flags |= DISPLAY_HAS_RENDER_MUL;
483
484 XFilters *filters = XRenderQueryFilters (dpy, root);
485 if (filters)
486 {
487 for (int i = 0; i < filters->nfilter; i++)
488 if (!strcmp (filters->filter[i], FilterConvolution))
489 flags |= DISPLAY_HAS_RENDER_CONV;
490
491 XFree (filters);
492 }
493 }
494#endif
495
463 int fd = XConnectionNumber (dpy); 496 int fd = XConnectionNumber (dpy);
464 497
465 // try to detect wether we have a local connection. 498 // try to detect whether we have a local connection.
466 // assume unix domains socket == local, everything else not 499 // assume unix domain socket == local, everything else not
467 // TODO: might want to check for inet/127.0.0.1 500 // TODO: might want to check for inet/127.0.0.1
468 is_local = 0; 501 is_local = 0;
469 sockaddr_un sa; 502 sockaddr_un sa;
470 socklen_t sl = sizeof (sa); 503 socklen_t sl = sizeof (sa);
471 504
472 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 505 if (!getsockname (fd, (sockaddr *)&sa, &sl))
473 is_local = sa.sun_family == AF_LOCAL; 506 is_local = sa.sun_family == AF_UNIX;
474 507
508 flush_ev.start ();
475 x_ev.start (fd, EVENT_READ); 509 x_ev.start (fd, ev::READ);
476 fcntl (fd, F_SETFD, FD_CLOEXEC); 510 fcntl (fd, F_SETFD, FD_CLOEXEC);
477 511
478 XSelectInput (dpy, root, PropertyChangeMask); 512 XSelectInput (dpy, root, PropertyChangeMask);
479 513
480 flush (); 514 flush ();
… …
483} 517}
484 518
485void 519void
486rxvt_display::ref_next () 520rxvt_display::ref_next ()
487{ 521{
488 // TODO: somehow check wether the database files/resources changed 522 // TODO: somehow check whether the database files/resources changed
489 // before affording re-loading/parsing 523 // before affording re-loading/parsing
490 XrmDestroyDatabase (XrmGetDatabase (dpy)); 524 XrmDestroyDatabase (XrmGetDatabase (dpy));
525#if XLIB_ILLEGAL_ACCESS
526 /* work around a bug in XrmSetDatabase where it frees the db */
527 dpy->db = 0;
528#endif
491 XrmSetDatabase (dpy, get_resources (true)); 529 XrmSetDatabase (dpy, get_resources (true));
492} 530}
493 531
494rxvt_display::~rxvt_display () 532rxvt_display::~rxvt_display ()
495{ 533{
… …
498 536
499#ifdef POINTER_BLANK 537#ifdef POINTER_BLANK
500 XFreeCursor (dpy, blank_cursor); 538 XFreeCursor (dpy, blank_cursor);
501#endif 539#endif
502 x_ev.stop (); 540 x_ev.stop ();
541 flush_ev.stop ();
503#ifdef USE_XIM 542#if USE_XIM
504 xims.clear (); 543 xims.clear ();
505#endif 544#endif
545 XrmDestroyDatabase (XrmGetDatabase (dpy));
506 XCloseDisplay (dpy); 546 XCloseDisplay (dpy);
507} 547}
508 548
509#ifdef USE_XIM 549#if USE_XIM
510void rxvt_display::im_change_cb () 550void rxvt_display::im_change_cb ()
511{ 551{
512 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 552 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
513 (*i)->call (); 553 (*i)->call ();
514} 554}
… …
522 unsigned long nitems, bytes_after; 562 unsigned long nitems, bytes_after;
523 563
524 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 564 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
525 False, XA_ATOM, &actual_type, &actual_format, 565 False, XA_ATOM, &actual_type, &actual_format,
526 &nitems, &bytes_after, (unsigned char **)&atoms) 566 &nitems, &bytes_after, (unsigned char **)&atoms)
527 != Success ) 567 != Success)
528 return; 568 return;
529 569
530 if (actual_type == XA_ATOM && actual_format == 32) 570 if (actual_type == XA_ATOM && actual_format == 32)
531 for (int i = 0; i < nitems; i++) 571 for (int i = 0; i < nitems; i++)
532 if (XGetSelectionOwner (dpy, atoms[i])) 572 if (XGetSelectionOwner (dpy, atoms[i]))
533 { 573 {
534 im_change_cb (); 574 im_change_cb ();
535 break; 575 break;
… …
537 577
538 XFree (atoms); 578 XFree (atoms);
539} 579}
540#endif 580#endif
541 581
542void rxvt_display::x_cb (io_watcher &w, short revents) 582void rxvt_display::x_cb (ev::io &w, int revents)
543{ 583{
584 flush_ev.start ();
585}
586
587void rxvt_display::flush_cb (ev::prepare &w, int revents)
588{
589 while (XEventsQueued (dpy, QueuedAfterFlush))
544 do 590 do
545 { 591 {
546 XEvent xev; 592 XEvent xev;
547 XNextEvent (dpy, &xev); 593 XNextEvent (dpy, &xev);
548 594
549#ifdef USE_XIM 595#if USE_XIM
550 if (!XFilterEvent (&xev, None)) 596 if (!XFilterEvent (&xev, None))
551 { 597 {
552 if (xev.type == PropertyNotify 598 if (xev.type == PropertyNotify
553 && xev.xany.window == root 599 && xev.xany.window == root
554 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 600 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
555 im_change_check (); 601 im_change_check ();
556#endif 602#endif
603 if (xev.type == MappingNotify)
604 XRefreshKeyboardMapping (&xev.xmapping);
605
557 for (int i = xw.size (); i--; ) 606 for (int i = xw.size (); i--; )
558 { 607 {
559 if (!xw[i]) 608 if (!xw[i])
560 xw.erase_unordered (i); 609 xw.erase_unordered (i);
561 else if (xw[i]->window == xev.xany.window) 610 else if (xw[i]->window == xev.xany.window)
562 xw[i]->call (xev); 611 xw[i]->call (xev);
563 } 612 }
564#ifdef USE_XIM 613#if USE_XIM
565 } 614 }
566#endif 615#endif
567 } 616 }
568 while (XEventsQueued (dpy, QueuedAlready)); 617 while (XEventsQueued (dpy, QueuedAlready));
569 618
570 XFlush (dpy); 619 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} 620}
580 621
581void rxvt_display::reg (xevent_watcher *w) 622void rxvt_display::reg (xevent_watcher *w)
582{ 623{
624 if (!w->active)
625 {
583 xw.push_back (w); 626 xw.push_back (w);
584 w->active = xw.size (); 627 w->active = xw.size ();
628 }
585} 629}
586 630
587void rxvt_display::unreg (xevent_watcher *w) 631void rxvt_display::unreg (xevent_watcher *w)
588{ 632{
589 if (w->active) 633 if (w->active)
634 {
590 xw[w->active - 1] = 0; 635 xw[w->active - 1] = 0;
636 w->active = 0;
637 }
591} 638}
592 639
593void rxvt_display::set_selection_owner (rxvt_term *owner) 640void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
594{ 641{
642 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
643
595 if (selection_owner && selection_owner != owner) 644 if (cur_owner && cur_owner != owner)
596 selection_owner->selection_clear (); 645 {
646 rxvt_term *term = cur_owner;
647 term->selection_clear (clipboard);
648 term->flush ();
649 }
597 650
598 selection_owner = owner; 651 cur_owner = owner;
599} 652}
600 653
601#ifdef USE_XIM 654#if USE_XIM
602 655
603void rxvt_display::reg (im_watcher *w) 656void rxvt_display::reg (im_watcher *w)
604{ 657{
605 imw.push_back (w); 658 imw.push_back (w);
606} 659}
… …
616 int l, m; 669 int l, m;
617 670
618 l = strlen (locale); 671 l = strlen (locale);
619 m = strlen (modifiers); 672 m = strlen (modifiers);
620 673
621 if (!(id = (char *)malloc (l + m + 2))) 674 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
622 return 0; 675 return 0;
623 676
624 memcpy (id, locale, l); id[l] = '\n'; 677 memcpy (id, locale, l); id[l] = '\n';
625 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 678 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
626 679
627 rxvt_xim *xim = xims.get (id); 680 rxvt_xim *xim = xims.get (id);
628
629 free (id);
630 681
631 return xim; 682 return xim;
632} 683}
633 684
634void rxvt_display::put_xim (rxvt_xim *xim) 685void rxvt_display::put_xim (rxvt_xim *xim)
… …
643Atom rxvt_display::atom (const char *name) 694Atom rxvt_display::atom (const char *name)
644{ 695{
645 return XInternAtom (dpy, name, False); 696 return XInternAtom (dpy, name, False);
646} 697}
647 698
699Pixmap
700rxvt_display::get_pixmap_property (Atom property)
701{
702 Pixmap pixmap = None;
703
704 int aformat;
705 unsigned long nitems, bytes_after;
706 Atom atype;
707 unsigned char *prop;
708 int result = XGetWindowProperty (dpy, root, property,
709 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
710 &nitems, &bytes_after, &prop);
711 if (result == Success)
712 {
713 if (atype == XA_PIXMAP)
714 pixmap = *(Pixmap *)prop;
715 XFree (prop);
716 }
717
718 return pixmap;
719}
720
648///////////////////////////////////////////////////////////////////////////// 721/////////////////////////////////////////////////////////////////////////////
649 722
650template class refcache<rxvt_display>; 723template class refcache<rxvt_display>;
651refcache<rxvt_display> displays; 724refcache<rxvt_display> displays;
652 725
653///////////////////////////////////////////////////////////////////////////// 726/////////////////////////////////////////////////////////////////////////////
654 727//
728
729static unsigned int
730insert_component (unsigned int value, unsigned int mask, unsigned int shift)
731{
732 return (value * (mask + 1) >> 16) << shift;
733}
734
655bool 735bool
656rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 736rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
657{ 737{
738 //TODO: only supports 24 bit
739 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
740
658#if XFT 741#if XFT
659 XRenderPictFormat *format; 742 XRenderPictFormat *format;
660 743
661 // FUCKING Xft gets it wrong, of course, so work around it. 744 // FUCKING Xft gets it wrong, of course, so work around it.
662 // Transparency users should eat shit and die, and then 745 // Transparency users should eat shit and die, and then
… …
666 { 749 {
667 // the fun lies in doing everything manually... 750 // the fun lies in doing everything manually...
668 c.color.red = color.r; 751 c.color.red = color.r;
669 c.color.green = color.g; 752 c.color.green = color.g;
670 c.color.blue = color.b; 753 c.color.blue = color.b;
671 c.color.alpha = color.a; 754 c.color.alpha = alpha;
672 755
756 // Xft wants premultiplied alpha, but abuses the alpha channel
757 // as blend factor, and doesn't allow us to set the alpha channel
758 c.color.red = c.color.red * alpha / 0xffff;
759 c.color.green = c.color.green * alpha / 0xffff;
760 c.color.blue = c.color.blue * alpha / 0xffff;
761
673 c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red ) 762 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) 763 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
675 | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue ) 764 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
676 | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha); 765 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
677 766
678 return true; 767 return true;
679 } 768 }
680 else 769 else
681 { 770 {
682 XRenderColor d; 771 XRenderColor d;
683 772
684 d.red = color.r; 773 d.red = color.r;
685 d.green = color.g; 774 d.green = color.g;
686 d.blue = color.b; 775 d.blue = color.b;
687 d.alpha = color.a; 776 d.alpha = alpha;
688 777
689 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 778 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
779 return true;
690 } 780 }
691#else 781#else
692 c.red = color.r; 782 c.red = color.r;
693 c.green = color.g; 783 c.green = color.g;
694 c.blue = color.b; 784 c.blue = color.b;
695 785
696 if (screen->visual->c_class == TrueColor) 786 if (screen->visual->c_class == TrueColor)
697 { 787 {
698 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask )) 788 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 ) 789 | (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 )) 790 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
703 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
704 791
705 return true; 792 return true;
706 } 793 }
707 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 794 else if (XAllocColor (screen->dpy, screen->cmap, &c))
708 return true; 795 return true;
709 else 796#endif
797
710 c.pixel = (color.r + color.g + color.b) > 128*3 798 c.pixel = (color.r + color.g + color.b) > 128*3
711 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) 799 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
712 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); 800 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
713#endif
714 801
715 return false; 802 return false;
716} 803}
717 804
718bool 805bool
… …
720{ 807{
721 rgba c; 808 rgba c;
722 char eos; 809 char eos;
723 int skip; 810 int skip;
724 811
812 c.a = rgba::MAX_CC;
813
725 // parse the nonstandard "[alphapercent]" prefix 814 // parse the nonstandard "[alphapercent]" prefix
726 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 815 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
727 { 816 {
728 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 817 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
729 name += skip; 818 name += skip;
730 } 819 }
731 else
732 c.a = rgba::MAX_CC;
733 820
734 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 821 // 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)) 822 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 { 823 {
737 XColor xc, xc_exact; 824 XColor xc;
738 825
739 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 826 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
740 { 827 {
741 c.r = xc.red; 828 c.r = xc.red;
742 c.g = xc.green; 829 c.g = xc.green;
… …
769 { 856 {
770 XColor *colors = new XColor [screen->visual->map_entries]; 857 XColor *colors = new XColor [screen->visual->map_entries];
771 858
772 for (int i = 0; i < cmap_size; i++) 859 for (int i = 0; i < cmap_size; i++)
773 colors [i].pixel = i; 860 colors [i].pixel = i;
774 861
775 // many kilobytes transfer per colour, but pseudocolor isn't worth 862 // many kilobytes transfer per colour, but pseudocolor isn't worth
776 // many extra optimisations. 863 // many extra optimisations.
777 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); 864 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
778 865
779 int diff = 0x7fffffffUL; 866 int diff = 0x7fffffffUL;
… …
792 } 879 }
793 } 880 }
794 881
795 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 882 //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); 883 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
797 884
798 got = alloc (screen, rgba (best->red, best->green, best->blue)); 885 got = alloc (screen, rgba (best->red, best->green, best->blue));
799 886
800 delete colors; 887 delete [] colors;
801 } 888 }
802#endif 889#endif
803 890
804 return got; 891 return got;
805} 892}
806 893
807void 894void
808rxvt_color::get (rgba &color) 895rxvt_color::get (rgba &color) const
809{ 896{
810#if XFT 897#if XFT
811 color.r = c.color.red; 898 color.r = c.color.red;
812 color.g = c.color.green; 899 color.g = c.color.green;
813 color.b = c.color.blue; 900 color.b = c.color.blue;
… …
819 color.a = rgba::MAX_CC; 906 color.a = rgba::MAX_CC;
820#endif 907#endif
821} 908}
822 909
823void 910void
824rxvt_color::get (XColor &color) 911rxvt_color::get (XColor &color) const
825{ 912{
826 rgba c; 913 rgba c;
827 get (c); 914 get (c);
828 915
829 color.red = c.r; 916 color.red = c.r;
830 color.green = c.g; 917 color.green = c.g;
831 color.blue = c.b; 918 color.blue = c.b;
832 color.pixel = (Pixel)*this; 919 color.pixel = (Pixel)*this;
833} 920}
834 921
835void 922void
836rxvt_color::free (rxvt_screen *screen) 923rxvt_color::free (rxvt_screen *screen)
837{ 924{
838 if (screen->visual->c_class == TrueColor) 925 if (screen->visual->c_class == TrueColor)
839 return; // nothing to do 926 return; // nothing to do
840 927
… …
860 lerp (c.a, to.a, percent) 947 lerp (c.a, to.a, percent)
861 ) 948 )
862 ); 949 );
863} 950}
864 951
952rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
953: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
954{
955 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
956
957 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
958 timer_ev.repeat = 10.;
959 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
960
961 incr_buf = 0;
962 incr_buf_size = incr_buf_fill = 0;
963 selection_wait = Sel_normal;
964 selection_type = selnum;
965 cb_sv = 0;
966}
967
968void
969rxvt_selection::stop ()
970{
971 free (incr_buf);
972 incr_buf = 0;
973 timer_ev.stop ();
974 x_ev.stop (display);
975}
976
977rxvt_selection::~rxvt_selection ()
978{
979 stop ();
980}
981
982void
983rxvt_selection::run ()
984{
985 int selnum = selection_type;
986
987#if ENABLE_FRILLS
988 if (selnum == Sel_Primary && display->selection_owner)
989 {
990 /* internal selection */
991 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
992 finish (str, strlen (str));
993 free (str);
994 return;
995 }
996#endif
997
998#if X_HAVE_UTF8_STRING
999 selection_type = Sel_UTF8String;
1000 if (request (display->xa[XA_UTF8_STRING], selnum))
1001 return;
1002#else
1003 selection_type = Sel_CompoundText;
1004 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1005 return;
1006#endif
1007
1008 // fallback to CUT_BUFFER0 if the requested property has no owner
1009 handle_selection (display->root, XA_CUT_BUFFER0, false);
1010}
1011
1012void
1013rxvt_selection::finish (char *data, unsigned int len)
1014{
1015 if (!cb_sv)
1016 {
1017 if (data)
1018 term->paste (data, len);
1019
1020 term->selection_req = 0;
1021 delete this;
1022 }
1023#if ENABLE_PERL
1024 else
1025 {
1026 stop (); // we do not really trust perl callbacks
1027 rxvt_perl.selection_finish (this, data, len);
1028 }
1029#endif
1030}
1031
1032bool
1033rxvt_selection::request (Atom target, int selnum)
1034{
1035 Atom sel;
1036
1037 selection_type |= selnum;
1038
1039 if (selnum == Sel_Primary)
1040 sel = XA_PRIMARY;
1041 else if (selnum == Sel_Secondary)
1042 sel = XA_SECONDARY;
1043 else
1044 sel = display->xa[XA_CLIPBOARD];
1045
1046 if (XGetSelectionOwner (display->dpy, sel) != None)
1047 {
1048 XConvertSelection (display->dpy, sel, target, request_prop,
1049 request_win, request_time);
1050 x_ev.start (display, request_win);
1051 timer_ev.again ();
1052 return true;
1053 }
1054
1055 return false;
1056}
1057
1058void
1059rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1060{
1061 Display *dpy = display->dpy;
1062 char *data = 0;
1063 unsigned int data_len = 0;
1064 unsigned long bytes_after;
1065 XTextProperty ct;
1066
1067 // check for failed XConvertSelection
1068 if (prop == None)
1069 {
1070 bool error = true;
1071 int selnum = selection_type & Sel_whereMask;
1072
1073 if (selection_type & Sel_CompoundText)
1074 {
1075 selection_type = 0;
1076 error = !request (XA_STRING, selnum);
1077 }
1078
1079 if (selection_type & Sel_UTF8String)
1080 {
1081 selection_type = Sel_CompoundText;
1082 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1083 }
1084
1085 if (error)
1086 {
1087 ct.value = 0;
1088 goto bailout;
1089 }
1090
1091 return;
1092 }
1093
1094 // length == (2^31 - 1) / 4, as gdk
1095 if (XGetWindowProperty (dpy, win, prop,
1096 0, 0x1fffffff,
1097 delete_prop, AnyPropertyType,
1098 &ct.encoding, &ct.format,
1099 &ct.nitems, &bytes_after,
1100 &ct.value) != Success)
1101 {
1102 ct.value = 0;
1103 goto bailout;
1104 }
1105
1106 if (ct.encoding == None)
1107 goto bailout;
1108
1109 if (ct.value == 0)
1110 goto bailout;
1111
1112 if (ct.encoding == display->xa[XA_INCR])
1113 {
1114 // INCR selection, start handshake
1115 if (!delete_prop)
1116 XDeleteProperty (dpy, win, prop);
1117
1118 selection_wait = Sel_incr;
1119 timer_ev.again ();
1120
1121 goto bailout;
1122 }
1123
1124 if (ct.nitems == 0)
1125 {
1126 if (selection_wait == Sel_incr)
1127 {
1128 XFree (ct.value);
1129
1130 // finally complete, now paste the whole thing
1131 selection_wait = Sel_normal;
1132 ct.value = (unsigned char *)incr_buf;
1133 ct.nitems = incr_buf_fill;
1134 incr_buf = 0;
1135 timer_ev.stop ();
1136 }
1137 else
1138 {
1139 // avoid recursion
1140 if (win != display->root || prop != XA_CUT_BUFFER0)
1141 {
1142 XFree (ct.value);
1143
1144 // fallback to CUT_BUFFER0 if the requested property
1145 // has an owner but is empty
1146 handle_selection (display->root, XA_CUT_BUFFER0, False);
1147 return;
1148 }
1149
1150 goto bailout;
1151 }
1152 }
1153 else if (selection_wait == Sel_incr)
1154 {
1155 timer_ev.again ();
1156
1157 while (incr_buf_fill + ct.nitems > incr_buf_size)
1158 {
1159 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1160 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1161 }
1162
1163 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1164 incr_buf_fill += ct.nitems;
1165
1166 goto bailout;
1167 }
1168
1169 char **cl;
1170 int cr;
1171
1172 // we honour the first item only
1173
1174#if !ENABLE_MINIMAL
1175 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1176 // so recode it manually
1177 if (ct.encoding == display->xa[XA_UTF8_STRING])
1178 {
1179 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1180 data = rxvt_wcstombs (w);
1181 free (w);
1182 }
1183 else
1184#endif
1185 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1186 && cl)
1187 {
1188 data = strdup (cl[0]);
1189 XFreeStringList (cl);
1190 }
1191 else
1192 {
1193 // paste raw
1194 data = strdup ((const char *)ct.value);
1195 }
1196
1197 data_len = strlen (data);
1198
1199bailout:
1200 XFree (ct.value);
1201
1202 if (selection_wait == Sel_normal)
1203 {
1204 finish (data, data_len);
1205 free (data);
1206 }
1207}
1208
1209void
1210rxvt_selection::timer_cb (ev::timer &w, int revents)
1211{
1212 if (selection_wait == Sel_incr)
1213 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1214
1215 finish ();
1216}
1217
1218void
1219rxvt_selection::x_cb (XEvent &xev)
1220{
1221 switch (xev.type)
1222 {
1223 case PropertyNotify:
1224 if (selection_wait == Sel_incr
1225 && xev.xproperty.atom == request_prop
1226 && xev.xproperty.state == PropertyNewValue)
1227 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1228 break;
1229
1230 case SelectionNotify:
1231 if (selection_wait == Sel_normal
1232 && xev.xselection.time == request_time)
1233 {
1234 timer_ev.stop ();
1235 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1236 }
1237 break;
1238 }
1239}

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