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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.103 by root, Fri Sep 4 15:40:13 2009 UTC vs.
Revision 1.144 by sf-exg, Sun Nov 2 15:52:39 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) 2003-2007 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",
65#endif 66#endif
66#if USE_XIM 67#if USE_XIM
67 "WM_LOCALE_NAME", 68 "WM_LOCALE_NAME",
68 "XIM_SERVERS", 69 "XIM_SERVERS",
69#endif 70#endif
70#ifdef ENABLE_TRANSPARENCY 71#if HAVE_IMG || ENABLE_PERL
71 "_XROOTPMAP_ID", 72 "_XROOTPMAP_ID",
72 "ESETROOT_PMAP_ID", 73 "ESETROOT_PMAP_ID",
73#endif 74#endif
74#if ENABLE_XEMBED 75#if ENABLE_XEMBED
75 "_XEMBED", 76 "_XEMBED",
152 put (*this->begin ()); 153 put (*this->begin ());
153} 154}
154 155
155///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
156 157
157#ifdef USE_XIM 158#if USE_XIM
158 159
159static void 160static void
160#if XIMCB_PROTO_BROKEN 161#if XIMCB_PROTO_BROKEN
161im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
162#else 163#else
227{ 228{
228} 229}
229 230
230rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h) 231rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
231{ 232{
232 // it's actually faster to re-allocate every time. don't ask me
233 // why, but its likely no big deal there are no roundtrips
234 // (I think/hope).
235 if (!scratch_area || w > scratch_w || h > scratch_h || 1/*D*/) 233 if (!scratch_area || w > scratch_w || h > scratch_h)
236 { 234 {
237 if (scratch_area) 235 if (scratch_area)
238 { 236 {
239 XFreePixmap (dpy, scratch_area->drawable); 237 XFreePixmap (dpy, scratch_area->drawable);
240 delete scratch_area; 238 delete scratch_area;
262 depth = DefaultDepthOfScreen (screen); 260 depth = DefaultDepthOfScreen (screen);
263 visual = DefaultVisualOfScreen (screen); 261 visual = DefaultVisualOfScreen (screen);
264 cmap = DefaultColormapOfScreen (screen); 262 cmap = DefaultColormapOfScreen (screen);
265} 263}
266 264
265#if ENABLE_FRILLS
266
267void 267void
268rxvt_screen::select_visual (int bitdepth) 268rxvt_screen::select_visual (int id)
269{ 269{
270#if XFT
271 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;
272 291
273 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo)) 292 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
274 {
275 depth = bitdepth;
276 visual = vinfo.visual; 293 select_visual (vinfo.visualid);
277 cmap = XCreateColormap (dpy, display->root, visual, AllocNone); 294 else
278 } 295 rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth);
279#endif
280} 296}
297
298#endif
281 299
282void 300void
283rxvt_screen::clear () 301rxvt_screen::clear ()
284{ 302{
285#if XFT 303#if XFT
297///////////////////////////////////////////////////////////////////////////// 315/////////////////////////////////////////////////////////////////////////////
298 316
299rxvt_display::rxvt_display (const char *id) 317rxvt_display::rxvt_display (const char *id)
300: refcounted (id) 318: refcounted (id)
301, selection_owner (0) 319, selection_owner (0)
320, clipboard_owner (0)
302{ 321{
303 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this); 322 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
304 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this); 323 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
305} 324}
306 325
313 /* 332 /*
314 * get resources using the X library function 333 * get resources using the X library function
315 */ 334 */
316 char *displayResource, *xe; 335 char *displayResource, *xe;
317 XrmDatabase rdb1, database = 0; 336 XrmDatabase rdb1, database = 0;
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
318 342
319 // 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
320 // as opposed to "standard practise", we always read in ~/.Xdefaults 344 // as opposed to "standard practise", we always read in ~/.Xdefaults
321 345
322 // 6. System wide per application default file. 346 // 6. System wide per application default file.
361 XA_STRING, &actual_type, &actual_format, 385 XA_STRING, &actual_type, &actual_format,
362 &nitems, &nremaining, 386 &nitems, &nremaining,
363 (unsigned char **)&val) == Success 387 (unsigned char **)&val) == Success
364 && actual_type == XA_STRING 388 && actual_type == XA_STRING
365 && actual_format == 8) 389 && actual_format == 8)
366 displayResource = val; 390 displayResource = val;
367 else 391 else
368 { 392 {
369 displayResource = 0; 393 displayResource = 0;
370 394
371 if (val) 395 if (val)
372 XFree(val); 396 XFree (val);
373 } 397 }
374 398
375#if XLIB_ILLEGAL_ACCESS 399#if XLIB_ILLEGAL_ACCESS
376 dpy->xdefaults = displayResource; 400 dpy->xdefaults = displayResource;
377#endif 401#endif
378 } 402 }
426bool rxvt_display::ref_init () 450bool rxvt_display::ref_init ()
427{ 451{
428#ifdef LOCAL_X_IS_UNIX 452#ifdef LOCAL_X_IS_UNIX
429 if (id[0] == ':') 453 if (id[0] == ':')
430 { 454 {
431 val = rxvt_malloc (5 + strlen (id) + 1); 455 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
456
432 strcpy (val, "unix/"); 457 strcpy (val, "unix/");
433 strcat (val, id); 458 strcat (val, id);
459
434 dpy = XOpenDisplay (val); 460 dpy = XOpenDisplay (val);
435 free (val);
436 } 461 }
437 else 462 else
438#endif 463#endif
439 dpy = 0; 464 dpy = 0;
440 465
445 return false; 470 return false;
446 471
447 screen = DefaultScreen (dpy); 472 screen = DefaultScreen (dpy);
448 root = DefaultRootWindow (dpy); 473 root = DefaultRootWindow (dpy);
449 474
450 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 475 assert (ecb_array_length (xa_names) == NUM_XA);
451 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 476 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
452 477
453 XrmSetDatabase (dpy, get_resources (false)); 478 XrmSetDatabase (dpy, get_resources (false));
454 479
455#ifdef POINTER_BLANK 480#ifdef POINTER_BLANK
461 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ', 486 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
462 &blackcolour, &blackcolour); 487 &blackcolour, &blackcolour);
463 XUnloadFont (dpy, f); 488 XUnloadFont (dpy, f);
464#endif 489#endif
465 490
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
466 int fd = XConnectionNumber (dpy); 510 int fd = XConnectionNumber (dpy);
467 511
468 // try to detect wether we have a local connection. 512 // try to detect whether we have a local connection.
469 // assume unix domain socket == local, everything else not 513 // assume unix domain socket == local, everything else not
470 // TODO: might want to check for inet/127.0.0.1 514 // TODO: might want to check for inet/127.0.0.1
471 is_local = 0; 515 is_local = 0;
472 sockaddr_un sa; 516 sockaddr_un sa;
473 socklen_t sl = sizeof (sa); 517 socklen_t sl = sizeof (sa);
487} 531}
488 532
489void 533void
490rxvt_display::ref_next () 534rxvt_display::ref_next ()
491{ 535{
492 // TODO: somehow check wether the database files/resources changed 536 // TODO: somehow check whether the database files/resources changed
493 // before affording re-loading/parsing 537 // before affording re-loading/parsing
494 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
495 XrmSetDatabase (dpy, get_resources (true)); 543 XrmSetDatabase (dpy, get_resources (true));
496} 544}
497 545
498rxvt_display::~rxvt_display () 546rxvt_display::~rxvt_display ()
499{ 547{
503#ifdef POINTER_BLANK 551#ifdef POINTER_BLANK
504 XFreeCursor (dpy, blank_cursor); 552 XFreeCursor (dpy, blank_cursor);
505#endif 553#endif
506 x_ev.stop (); 554 x_ev.stop ();
507 flush_ev.stop (); 555 flush_ev.stop ();
508#ifdef USE_XIM 556#if USE_XIM
509 xims.clear (); 557 xims.clear ();
510#endif 558#endif
559 XrmDestroyDatabase (XrmGetDatabase (dpy));
511 XCloseDisplay (dpy); 560 XCloseDisplay (dpy);
512} 561}
513 562
514#ifdef USE_XIM 563#if USE_XIM
515void rxvt_display::im_change_cb () 564void rxvt_display::im_change_cb ()
516{ 565{
517 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 566 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
518 (*i)->call (); 567 (*i)->call ();
519} 568}
527 unsigned long nitems, bytes_after; 576 unsigned long nitems, bytes_after;
528 577
529 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 578 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
530 False, XA_ATOM, &actual_type, &actual_format, 579 False, XA_ATOM, &actual_type, &actual_format,
531 &nitems, &bytes_after, (unsigned char **)&atoms) 580 &nitems, &bytes_after, (unsigned char **)&atoms)
532 != Success ) 581 != Success)
533 return; 582 return;
534 583
535 if (actual_type == XA_ATOM && actual_format == 32) 584 if (actual_type == XA_ATOM && actual_format == 32)
536 for (int i = 0; i < nitems; i++) 585 for (int i = 0; i < nitems; i++)
537 if (XGetSelectionOwner (dpy, atoms[i])) 586 if (XGetSelectionOwner (dpy, atoms[i]))
538 { 587 {
539 im_change_cb (); 588 im_change_cb ();
540 break; 589 break;
555 do 604 do
556 { 605 {
557 XEvent xev; 606 XEvent xev;
558 XNextEvent (dpy, &xev); 607 XNextEvent (dpy, &xev);
559 608
560#ifdef USE_XIM 609#if USE_XIM
561 if (!XFilterEvent (&xev, None)) 610 if (!XFilterEvent (&xev, None))
562 { 611 {
563 if (xev.type == PropertyNotify 612 if (xev.type == PropertyNotify
564 && xev.xany.window == root 613 && xev.xany.window == root
565 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 614 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
573 if (!xw[i]) 622 if (!xw[i])
574 xw.erase_unordered (i); 623 xw.erase_unordered (i);
575 else if (xw[i]->window == xev.xany.window) 624 else if (xw[i]->window == xev.xany.window)
576 xw[i]->call (xev); 625 xw[i]->call (xev);
577 } 626 }
578#ifdef USE_XIM 627#if USE_XIM
579 } 628 }
580#endif 629#endif
581 } 630 }
582 while (XEventsQueued (dpy, QueuedAlready)); 631 while (XEventsQueued (dpy, QueuedAlready));
583 632
600 xw[w->active - 1] = 0; 649 xw[w->active - 1] = 0;
601 w->active = 0; 650 w->active = 0;
602 } 651 }
603} 652}
604 653
605void rxvt_display::set_selection_owner (rxvt_term *owner) 654void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
606{ 655{
656 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
657
607 if (selection_owner && selection_owner != owner) 658 if (cur_owner && cur_owner != owner)
608 { 659 {
609 rxvt_term *owner = selection_owner; 660 rxvt_term *term = cur_owner;
610
611 owner->selection_clear (); 661 term->selection_clear (clipboard);
612 owner->flush (); 662 term->flush ();
613 } 663 }
614 664
615 selection_owner = owner; 665 cur_owner = owner;
616} 666}
617 667
618#ifdef USE_XIM 668#if USE_XIM
619 669
620void rxvt_display::reg (im_watcher *w) 670void rxvt_display::reg (im_watcher *w)
621{ 671{
622 imw.push_back (w); 672 imw.push_back (w);
623} 673}
633 int l, m; 683 int l, m;
634 684
635 l = strlen (locale); 685 l = strlen (locale);
636 m = strlen (modifiers); 686 m = strlen (modifiers);
637 687
638 if (!(id = (char *)malloc (l + m + 2))) 688 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
639 return 0; 689 return 0;
640 690
641 memcpy (id, locale, l); id[l] = '\n'; 691 memcpy (id, locale, l); id[l] = '\n';
642 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 692 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
643 693
644 rxvt_xim *xim = xims.get (id); 694 rxvt_xim *xim = xims.get (id);
645
646 free (id);
647 695
648 return xim; 696 return xim;
649} 697}
650 698
651void rxvt_display::put_xim (rxvt_xim *xim) 699void rxvt_display::put_xim (rxvt_xim *xim)
660Atom rxvt_display::atom (const char *name) 708Atom rxvt_display::atom (const char *name)
661{ 709{
662 return XInternAtom (dpy, name, False); 710 return XInternAtom (dpy, name, False);
663} 711}
664 712
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
665///////////////////////////////////////////////////////////////////////////// 735/////////////////////////////////////////////////////////////////////////////
666 736
667template class refcache<rxvt_display>; 737template class refcache<rxvt_display>;
668refcache<rxvt_display> displays; 738refcache<rxvt_display> displays;
669 739
678 748
679bool 749bool
680rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 750rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
681{ 751{
682 //TODO: only supports 24 bit 752 //TODO: only supports 24 bit
683 int alpha = color.a >= 0xff00 ? 0xffff : color.a; 753 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
684 754
685#if XFT 755#if XFT
686 XRenderPictFormat *format; 756 XRenderPictFormat *format;
687 757
688 // FUCKING Xft gets it wrong, of course, so work around it. 758 // FUCKING Xft gets it wrong, of course, so work around it.
695 c.color.red = color.r; 765 c.color.red = color.r;
696 c.color.green = color.g; 766 c.color.green = color.g;
697 c.color.blue = color.b; 767 c.color.blue = color.b;
698 c.color.alpha = alpha; 768 c.color.alpha = alpha;
699 769
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
700 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 )
701 | insert_component (color.g, format->direct.greenMask, format->direct.green) 777 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
702 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 778 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
703 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha); 779 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
704 780
705 return true; 781 return true;
706 } 782 }
707 else 783 else
708 { 784 {
711 d.red = color.r; 787 d.red = color.r;
712 d.green = color.g; 788 d.green = color.g;
713 d.blue = color.b; 789 d.blue = color.b;
714 d.alpha = alpha; 790 d.alpha = alpha;
715 791
716 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 792 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
793 return true;
717 } 794 }
718#else 795#else
719 c.red = color.r; 796 c.red = color.r;
720 c.green = color.g; 797 c.green = color.g;
721 c.blue = color.b; 798 c.blue = color.b;
722 799
723 if (screen->visual->c_class == TrueColor) 800 if (screen->visual->c_class == TrueColor)
724 { 801 {
725 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask )) 802 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
726 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask)) 803 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
727 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask )); 804 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
728 805
729 return true; 806 return true;
730 } 807 }
731 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 808 else if (XAllocColor (screen->dpy, screen->cmap, &c))
732 return true; 809 return true;
733 else 810#endif
811
734 c.pixel = (color.r + color.g + color.b) > 128*3 812 c.pixel = (color.r + color.g + color.b) > 128*3
735 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) 813 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
736 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); 814 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
737#endif
738 815
739 return false; 816 return false;
740} 817}
741 818
742bool 819bool
827 904
828 return got; 905 return got;
829} 906}
830 907
831void 908void
832rxvt_color::get (rgba &color) 909rxvt_color::get (rgba &color) const
833{ 910{
834#if XFT 911#if XFT
835 color.r = c.color.red; 912 color.r = c.color.red;
836 color.g = c.color.green; 913 color.g = c.color.green;
837 color.b = c.color.blue; 914 color.b = c.color.blue;
843 color.a = rgba::MAX_CC; 920 color.a = rgba::MAX_CC;
844#endif 921#endif
845} 922}
846 923
847void 924void
848rxvt_color::get (XColor &color) 925rxvt_color::get (XColor &color) const
849{ 926{
850 rgba c; 927 rgba c;
851 get (c); 928 get (c);
852 929
853 color.red = c.r; 930 color.red = c.r;
884 lerp (c.a, to.a, percent) 961 lerp (c.a, to.a, percent)
885 ) 962 )
886 ); 963 );
887} 964}
888 965
889#if TRACE_PIXMAPS 966rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
890# undef XCreatePixmap 967: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
891# undef XFreePixmap
892Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
893{ 968{
894 Pixmap res = XCreatePixmap (dpy, r, w, h, d); 969 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
895 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res); 970
971 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
972 timer_ev.repeat = 10.;
973 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
974
975 incr_buf = 0;
976 incr_buf_size = incr_buf_fill = 0;
977 selection_wait = Sel_normal;
978 selection_type = selnum;
979 cb_sv = 0;
980}
981
982void
983rxvt_selection::stop ()
984{
985 free (incr_buf);
986 incr_buf = 0;
987 timer_ev.stop ();
988 x_ev.stop (display);
989}
990
991rxvt_selection::~rxvt_selection ()
992{
993 stop ();
994}
995
996void
997rxvt_selection::run ()
998{
999 int selnum = selection_type;
1000
1001#if ENABLE_FRILLS
1002 if (selnum == Sel_Primary && display->selection_owner)
1003 {
1004 /* internal selection */
1005 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1006 finish (str, strlen (str));
1007 free (str);
1008 return;
1009 }
1010#endif
1011
1012#if X_HAVE_UTF8_STRING
1013 selection_type = Sel_UTF8String;
1014 if (request (display->xa[XA_UTF8_STRING], selnum))
1015 return;
1016#else
1017 selection_type = Sel_CompoundText;
1018 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1019 return;
1020#endif
1021
1022 // fallback to CUT_BUFFER0 if the requested property has no owner
1023 handle_selection (display->root, XA_CUT_BUFFER0, false);
1024}
1025
1026void
1027rxvt_selection::finish (char *data, unsigned int len)
1028{
1029 if (!cb_sv)
1030 {
1031 if (data)
1032 term->paste (data, len);
1033
1034 term->selection_req = 0;
1035 delete this;
1036 }
1037#if ENABLE_PERL
1038 else
1039 {
1040 stop (); // we do not really trust perl callbacks
1041 rxvt_perl.selection_finish (this, data, len);
1042 }
1043#endif
1044}
1045
1046bool
1047rxvt_selection::request (Atom target, int selnum)
1048{
1049 Atom sel;
1050
1051 selection_type |= selnum;
1052
1053 if (selnum == Sel_Primary)
1054 sel = XA_PRIMARY;
1055 else if (selnum == Sel_Secondary)
1056 sel = XA_SECONDARY;
1057 else
1058 sel = display->xa[XA_CLIPBOARD];
1059
1060 if (XGetSelectionOwner (display->dpy, sel) != None)
1061 {
1062 XConvertSelection (display->dpy, sel, target, request_prop,
1063 request_win, request_time);
1064 x_ev.start (display, request_win);
1065 timer_ev.again ();
1066 return true;
1067 }
1068
896 return res; 1069 return false;
897} 1070}
898 1071
899void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p) 1072void
1073rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
900{ 1074{
901 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p); 1075 Display *dpy = display->dpy;
902 XFreePixmap (dpy,p); 1076 char *data = 0;
903} 1077 unsigned int data_len = 0;
1078 unsigned long bytes_after;
1079 XTextProperty ct;
1080
1081 // check for failed XConvertSelection
1082 if (prop == None)
1083 {
1084 bool error = true;
1085 int selnum = selection_type & Sel_whereMask;
1086
1087 if (selection_type & Sel_CompoundText)
1088 {
1089 selection_type = 0;
1090 error = !request (XA_STRING, selnum);
1091 }
1092
1093 if (selection_type & Sel_UTF8String)
1094 {
1095 selection_type = Sel_CompoundText;
1096 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1097 }
1098
1099 if (error)
1100 {
1101 ct.value = 0;
1102 goto bailout;
1103 }
1104
1105 return;
1106 }
1107
1108 // length == (2^31 - 1) / 4, as gdk
1109 if (XGetWindowProperty (dpy, win, prop,
1110 0, 0x1fffffff,
1111 delete_prop, AnyPropertyType,
1112 &ct.encoding, &ct.format,
1113 &ct.nitems, &bytes_after,
1114 &ct.value) != Success)
1115 {
1116 ct.value = 0;
1117 goto bailout;
1118 }
1119
1120 if (ct.encoding == None)
1121 goto bailout;
1122
1123 if (ct.value == 0)
1124 goto bailout;
1125
1126 if (ct.encoding == display->xa[XA_INCR])
1127 {
1128 // INCR selection, start handshake
1129 if (!delete_prop)
1130 XDeleteProperty (dpy, win, prop);
1131
1132 selection_wait = Sel_incr;
1133 timer_ev.again ();
1134
1135 goto bailout;
1136 }
1137
1138 if (ct.nitems == 0)
1139 {
1140 if (selection_wait == Sel_incr)
1141 {
1142 XFree (ct.value);
1143
1144 // finally complete, now paste the whole thing
1145 selection_wait = Sel_normal;
1146 ct.value = (unsigned char *)incr_buf;
1147 ct.nitems = incr_buf_fill;
1148 incr_buf = 0;
1149 timer_ev.stop ();
1150 }
1151 else
1152 {
1153 // avoid recursion
1154 if (win != display->root || prop != XA_CUT_BUFFER0)
1155 {
1156 XFree (ct.value);
1157
1158 // fallback to CUT_BUFFER0 if the requested property
1159 // has an owner but is empty
1160 handle_selection (display->root, XA_CUT_BUFFER0, False);
1161 return;
1162 }
1163
1164 goto bailout;
1165 }
1166 }
1167 else if (selection_wait == Sel_incr)
1168 {
1169 timer_ev.again ();
1170
1171 while (incr_buf_fill + ct.nitems > incr_buf_size)
1172 {
1173 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1174 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1175 }
1176
1177 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1178 incr_buf_fill += ct.nitems;
1179
1180 goto bailout;
1181 }
1182
1183 char **cl;
1184 int cr;
1185
1186 // we honour the first item only
1187
1188#if !ENABLE_MINIMAL
1189 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1190 // so recode it manually
1191 if (ct.encoding == display->xa[XA_UTF8_STRING])
1192 {
1193 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1194 data = rxvt_wcstombs (w);
1195 free (w);
1196 }
1197 else
904#endif 1198#endif
1199 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1200 && cl)
1201 {
1202 data = strdup (cl[0]);
1203 XFreeStringList (cl);
1204 }
1205 else
1206 {
1207 // paste raw
1208 data = strdup ((const char *)ct.value);
1209 }
1210
1211 data_len = strlen (data);
1212
1213bailout:
1214 XFree (ct.value);
1215
1216 if (selection_wait == Sel_normal)
1217 {
1218 finish (data, data_len);
1219 free (data);
1220 }
1221}
1222
1223void
1224rxvt_selection::timer_cb (ev::timer &w, int revents)
1225{
1226 if (selection_wait == Sel_incr)
1227 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1228
1229 finish ();
1230}
1231
1232void
1233rxvt_selection::x_cb (XEvent &xev)
1234{
1235 switch (xev.type)
1236 {
1237 case PropertyNotify:
1238 if (selection_wait == Sel_incr
1239 && xev.xproperty.atom == request_prop
1240 && xev.xproperty.state == PropertyNewValue)
1241 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1242 break;
1243
1244 case SelectionNotify:
1245 if (selection_wait == Sel_normal
1246 && xev.xselection.time == request_time)
1247 {
1248 timer_ev.stop ();
1249 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1250 }
1251 break;
1252 }
1253}

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