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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.109 by sf-exg, Mon Dec 13 08:29:25 2010 UTC vs.
Revision 1.149 by root, Wed Dec 17 16:03:51 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
… …
22 23
23#include "../config.h" 24#include "../config.h"
24#include <rxvt.h> 25#include <rxvt.h>
25#include <rxvttoolkit.h> 26#include <rxvttoolkit.h>
26 27
28#include <stdlib.h>
29
27#include <unistd.h> 30#include <unistd.h>
28#include <fcntl.h> 31#include <fcntl.h>
29 32
30#include <sys/utsname.h> 33#include <sys/utsname.h>
31#include <sys/socket.h> 34#include <sys/socket.h>
… …
33 36
34#if XFT 37#if XFT
35# include <X11/extensions/Xrender.h> 38# include <X11/extensions/Xrender.h>
36#endif 39#endif
37 40
38const char *const xa_names[] = 41static const char *const xa_names[] =
39{ 42{
40 "TEXT", 43 "TEXT",
41 "COMPOUND_TEXT", 44 "COMPOUND_TEXT",
42 "UTF8_STRING", 45 "UTF8_STRING",
43 "MULTIPLE", 46 "MULTIPLE",
… …
65#endif 68#endif
66#if USE_XIM 69#if USE_XIM
67 "WM_LOCALE_NAME", 70 "WM_LOCALE_NAME",
68 "XIM_SERVERS", 71 "XIM_SERVERS",
69#endif 72#endif
70#ifdef ENABLE_TRANSPARENCY 73#if HAVE_IMG || ENABLE_PERL
71 "_XROOTPMAP_ID", 74 "_XROOTPMAP_ID",
72 "ESETROOT_PMAP_ID", 75 "ESETROOT_PMAP_ID",
73#endif 76#endif
74#if ENABLE_XEMBED 77#if ENABLE_XEMBED
75 "_XEMBED", 78 "_XEMBED",
… …
152 put (*this->begin ()); 155 put (*this->begin ());
153} 156}
154 157
155///////////////////////////////////////////////////////////////////////////// 158/////////////////////////////////////////////////////////////////////////////
156 159
157#ifdef USE_XIM 160#if USE_XIM
158 161
159static void 162static void
160#if XIMCB_PROTO_BROKEN 163#if XIMCB_PROTO_BROKEN
161im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 164im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
162#else 165#else
… …
227{ 230{
228} 231}
229 232
230rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h) 233rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
231{ 234{
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*/) 235 if (!scratch_area || w > scratch_w || h > scratch_h)
236 { 236 {
237 if (scratch_area) 237 if (scratch_area)
238 { 238 {
239 XFreePixmap (dpy, scratch_area->drawable); 239 XFreePixmap (dpy, scratch_area->drawable);
240 delete scratch_area; 240 delete scratch_area;
… …
262 depth = DefaultDepthOfScreen (screen); 262 depth = DefaultDepthOfScreen (screen);
263 visual = DefaultVisualOfScreen (screen); 263 visual = DefaultVisualOfScreen (screen);
264 cmap = DefaultColormapOfScreen (screen); 264 cmap = DefaultColormapOfScreen (screen);
265} 265}
266 266
267#if ENABLE_FRILLS
268
267void 269void
268rxvt_screen::select_visual (int bitdepth) 270rxvt_screen::select_visual (int id)
269{ 271{
270#if XFT
271 XVisualInfo vinfo; 272 XVisualInfo vinfo;
273 vinfo.visualid = id;
274 int n;
275
276 if (XVisualInfo *vi = XGetVisualInfo (dpy, VisualIDMask, &vinfo, &n))
277 {
278 depth = vi->depth;
279 visual = vi->visual;
280
281 XFree (vi);
282
283 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
284 }
285 else
286 rxvt_warn ("no visual found for requested id 0x%02x, using default visual.\n", id);
287}
288
289void
290rxvt_screen::select_depth (int bitdepth)
291{
292 XVisualInfo vinfo;
272 293
273 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo)) 294 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
274 {
275 depth = bitdepth;
276 visual = vinfo.visual; 295 select_visual (vinfo.visualid);
277 cmap = XCreateColormap (dpy, display->root, visual, AllocNone); 296 else
278 } 297 rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth);
279#endif
280} 298}
299
300#endif
281 301
282void 302void
283rxvt_screen::clear () 303rxvt_screen::clear ()
284{ 304{
285#if XFT 305#if XFT
… …
314 /* 334 /*
315 * get resources using the X library function 335 * get resources using the X library function
316 */ 336 */
317 char *displayResource, *xe; 337 char *displayResource, *xe;
318 XrmDatabase rdb1, database = 0; 338 XrmDatabase rdb1, database = 0;
339
340#if !XLIB_ILLEGAL_ACCESS
341 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
342 database = XrmGetStringDatabase ("");
343#endif
319 344
320 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 345 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
321 // as opposed to "standard practise", we always read in ~/.Xdefaults 346 // as opposed to "standard practise", we always read in ~/.Xdefaults
322 347
323 // 6. System wide per application default file. 348 // 6. System wide per application default file.
… …
427bool rxvt_display::ref_init () 452bool rxvt_display::ref_init ()
428{ 453{
429#ifdef LOCAL_X_IS_UNIX 454#ifdef LOCAL_X_IS_UNIX
430 if (id[0] == ':') 455 if (id[0] == ':')
431 { 456 {
432 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1))) 457 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
433 return false; 458
434 strcpy (val, "unix/"); 459 strcpy (val, "unix/");
435 strcat (val, id); 460 strcat (val, id);
461
436 dpy = XOpenDisplay (val); 462 dpy = XOpenDisplay (val);
437 } 463 }
438 else 464 else
439#endif 465#endif
440 dpy = 0; 466 dpy = 0;
… …
446 return false; 472 return false;
447 473
448 screen = DefaultScreen (dpy); 474 screen = DefaultScreen (dpy);
449 root = DefaultRootWindow (dpy); 475 root = DefaultRootWindow (dpy);
450 476
451 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 477 assert (ecb_array_length (xa_names) == NUM_XA);
452 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 478 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
453 479
454 XrmSetDatabase (dpy, get_resources (false)); 480 XrmSetDatabase (dpy, get_resources (false));
455 481
456#ifdef POINTER_BLANK 482#ifdef POINTER_BLANK
… …
462 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ', 488 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
463 &blackcolour, &blackcolour); 489 &blackcolour, &blackcolour);
464 XUnloadFont (dpy, f); 490 XUnloadFont (dpy, f);
465#endif 491#endif
466 492
493 flags = 0;
494#if XRENDER
495 int major, minor;
496 if (XRenderQueryVersion (dpy, &major, &minor))
497 if (major > 0 || (major == 0 && minor >= 11))
498 {
499 flags |= DISPLAY_HAS_RENDER;
500
501 if (XFilters *filters = XRenderQueryFilters (dpy, root))
502 {
503 for (int i = 0; i < filters->nfilter; i++)
504 if (!strcmp (filters->filter [i], FilterConvolution))
505 flags |= DISPLAY_HAS_RENDER_CONV;
506
507 XFree (filters);
508 }
509 }
510#endif
511
467 int fd = XConnectionNumber (dpy); 512 int fd = XConnectionNumber (dpy);
468 513
469 // try to detect whether we have a local connection. 514 // try to detect whether we have a local connection.
470 // assume unix domain socket == local, everything else not 515 // assume unix domain socket == local, everything else not
471 // TODO: might want to check for inet/127.0.0.1 516 // TODO: might want to check for inet/127.0.0.1
… …
491rxvt_display::ref_next () 536rxvt_display::ref_next ()
492{ 537{
493 // TODO: somehow check whether the database files/resources changed 538 // TODO: somehow check whether the database files/resources changed
494 // before affording re-loading/parsing 539 // before affording re-loading/parsing
495 XrmDestroyDatabase (XrmGetDatabase (dpy)); 540 XrmDestroyDatabase (XrmGetDatabase (dpy));
541#if XLIB_ILLEGAL_ACCESS
542 /* work around a bug in XrmSetDatabase where it frees the db */
543 dpy->db = 0;
544#endif
496 XrmSetDatabase (dpy, get_resources (true)); 545 XrmSetDatabase (dpy, get_resources (true));
497} 546}
498 547
499rxvt_display::~rxvt_display () 548rxvt_display::~rxvt_display ()
500{ 549{
… …
504#ifdef POINTER_BLANK 553#ifdef POINTER_BLANK
505 XFreeCursor (dpy, blank_cursor); 554 XFreeCursor (dpy, blank_cursor);
506#endif 555#endif
507 x_ev.stop (); 556 x_ev.stop ();
508 flush_ev.stop (); 557 flush_ev.stop ();
509#ifdef USE_XIM 558#if USE_XIM
510 xims.clear (); 559 xims.clear ();
511#endif 560#endif
561 XrmDestroyDatabase (XrmGetDatabase (dpy));
512 XCloseDisplay (dpy); 562 XCloseDisplay (dpy);
513} 563}
514 564
515#ifdef USE_XIM 565#if USE_XIM
516void rxvt_display::im_change_cb () 566void rxvt_display::im_change_cb ()
517{ 567{
518 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 568 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
519 (*i)->call (); 569 (*i)->call ();
520} 570}
… …
556 do 606 do
557 { 607 {
558 XEvent xev; 608 XEvent xev;
559 XNextEvent (dpy, &xev); 609 XNextEvent (dpy, &xev);
560 610
561#ifdef USE_XIM 611#if USE_XIM
562 if (!XFilterEvent (&xev, None)) 612 if (!XFilterEvent (&xev, None))
563 { 613 {
564 if (xev.type == PropertyNotify 614 if (xev.type == PropertyNotify
565 && xev.xany.window == root 615 && xev.xany.window == root
566 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 616 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
… …
574 if (!xw[i]) 624 if (!xw[i])
575 xw.erase_unordered (i); 625 xw.erase_unordered (i);
576 else if (xw[i]->window == xev.xany.window) 626 else if (xw[i]->window == xev.xany.window)
577 xw[i]->call (xev); 627 xw[i]->call (xev);
578 } 628 }
579#ifdef USE_XIM 629#if USE_XIM
580 } 630 }
581#endif 631#endif
582 } 632 }
583 while (XEventsQueued (dpy, QueuedAlready)); 633 while (XEventsQueued (dpy, QueuedAlready));
584 634
… …
615 } 665 }
616 666
617 cur_owner = owner; 667 cur_owner = owner;
618} 668}
619 669
620#ifdef USE_XIM 670#if USE_XIM
621 671
622void rxvt_display::reg (im_watcher *w) 672void rxvt_display::reg (im_watcher *w)
623{ 673{
624 imw.push_back (w); 674 imw.push_back (w);
625} 675}
… …
660Atom rxvt_display::atom (const char *name) 710Atom rxvt_display::atom (const char *name)
661{ 711{
662 return XInternAtom (dpy, name, False); 712 return XInternAtom (dpy, name, False);
663} 713}
664 714
715Pixmap
716rxvt_display::get_pixmap_property (Atom property)
717{
718 Pixmap pixmap = None;
719
720 int aformat;
721 unsigned long nitems, bytes_after;
722 Atom atype;
723 unsigned char *prop;
724 int result = XGetWindowProperty (dpy, root, property,
725 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
726 &nitems, &bytes_after, &prop);
727 if (result == Success)
728 {
729 if (atype == XA_PIXMAP)
730 pixmap = *(Pixmap *)prop;
731 XFree (prop);
732 }
733
734 return pixmap;
735}
736
665///////////////////////////////////////////////////////////////////////////// 737/////////////////////////////////////////////////////////////////////////////
666 738
667template class refcache<rxvt_display>; 739template class refcache<rxvt_display>;
668refcache<rxvt_display> displays; 740refcache<rxvt_display> displays;
669 741
… …
678 750
679bool 751bool
680rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 752rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
681{ 753{
682 //TODO: only supports 24 bit 754 //TODO: only supports 24 bit
683 int alpha = color.a >= 0xff00 ? 0xffff : color.a; 755 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
684 756
685#if XFT 757#if XFT
686 XRenderPictFormat *format; 758 XRenderPictFormat *format;
759
760 // not needed by XftColorAlloc, but by the other paths (ours
761 // and fallback), so just set all components here.
762 c.color.red = color.r;
763 c.color.green = color.g;
764 c.color.blue = color.b;
765 c.color.alpha = alpha;
687 766
688 // FUCKING Xft gets it wrong, of course, so work around it. 767 // FUCKING Xft gets it wrong, of course, so work around it.
689 // Transparency users should eat shit and die, and then 768 // Transparency users should eat shit and die, and then
690 // XRenderQueryPictIndexValues themselves plenty. 769 // XRenderQueryPictIndexValues themselves plenty.
691 if ((screen->visual->c_class == TrueColor) 770 if ((screen->visual->c_class == TrueColor)
692 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual))) 771 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
693 { 772 {
694 // the fun lies in doing everything manually... 773 // the fun lies in doing everything manually...
695 c.color.red = color.r;
696 c.color.green = color.g;
697 c.color.blue = color.b;
698 c.color.alpha = alpha;
699 774
775 // Xft wants premultiplied alpha, but abuses the alpha channel
776 // as blend factor, and doesn't allow us to set the alpha channel
777 c.color.red = c.color.red * alpha / 0xffff;
778 c.color.green = c.color.green * alpha / 0xffff;
779 c.color.blue = c.color.blue * alpha / 0xffff;
780
700 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) 781 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
701 | insert_component (color.g, format->direct.greenMask, format->direct.green) 782 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
702 | insert_component (color.b, format->direct.blueMask , format->direct.blue ) 783 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
703 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha); 784 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
704 785
705 return true; 786 return true;
706 } 787 }
707 else 788 else
708 { 789 {
… …
711 d.red = color.r; 792 d.red = color.r;
712 d.green = color.g; 793 d.green = color.g;
713 d.blue = color.b; 794 d.blue = color.b;
714 d.alpha = alpha; 795 d.alpha = alpha;
715 796
797 // XftColorAlloc always returns 100% transparent pixels(!)
716 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 798 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
799 return true;
717 } 800 }
718#else 801#else
719 c.red = color.r; 802 c.red = color.r;
720 c.green = color.g; 803 c.green = color.g;
721 c.blue = color.b; 804 c.blue = color.b;
722 805
723 if (screen->visual->c_class == TrueColor) 806 if (screen->visual->c_class == TrueColor)
724 { 807 {
725 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask )) 808 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)) 809 | (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 )); 810 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
728 811
729 return true; 812 return true;
730 } 813 }
731 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 814 else if (XAllocColor (screen->dpy, screen->cmap, &c))
732 return true; 815 return true;
733 else 816#endif
817
734 c.pixel = (color.r + color.g + color.b) > 128*3 818 c.pixel = (color.r * 2 + color.g * 3 + color.b) >= 0x8000 * 6
735 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) 819 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
736 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); 820 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
737#endif
738 821
739 return false; 822 return false;
740} 823}
741 824
742bool 825bool
… …
798 881
799 // many kilobytes transfer per colour, but pseudocolor isn't worth 882 // many kilobytes transfer per colour, but pseudocolor isn't worth
800 // many extra optimisations. 883 // many extra optimisations.
801 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); 884 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
802 885
886 while (cmap_size)
887 {
803 int diff = 0x7fffffffUL; 888 int diff = 0x7fffffffL;
804 XColor *best = colors; 889 XColor *best = colors;
805 890
806 for (int i = 0; i < cmap_size; i++) 891 for (int i = 0; i < cmap_size; i++)
807 {
808 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
809 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
810 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
811
812 if (d < diff)
813 { 892 {
893 // simple weighted rgb distance sucks, but keeps it simple
894 int d = abs (color.r - colors [i].red ) * 2
895 + abs (color.g - colors [i].green) * 3
896 + abs (color.b - colors [i].blue );
897
898 if (d < diff)
899 {
814 diff = d; 900 diff = d;
815 best = colors + i; 901 best = colors + i;
902 }
816 } 903 }
817 }
818 904
819 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 905 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d,%d)\n",
820 // color.r, color.g, color.b, best->red, best->green, best->blue, diff); 906 // color.r, color.g, color.b, best->red, best->green, best->blue, diff, best - colors);
821 907
822 got = alloc (screen, rgba (best->red, best->green, best->blue)); 908 got = alloc (screen, rgba (best->red, best->green, best->blue));
909
910 if (got)
911 break;
912
913 *best = colors [--cmap_size];
914 }
823 915
824 delete [] colors; 916 delete [] colors;
825 } 917 }
826#endif 918#endif
827 919
828 return got; 920 return got;
829} 921}
830 922
831void 923void
832rxvt_color::get (rgba &color) 924rxvt_color::get (rgba &color) const
833{ 925{
834#if XFT 926#if XFT
927
835 color.r = c.color.red; 928 color.r = c.color.red;
836 color.g = c.color.green; 929 color.g = c.color.green;
837 color.b = c.color.blue; 930 color.b = c.color.blue;
838 color.a = c.color.alpha; 931 color.a = c.color.alpha;
932
933 if (IN_RANGE_INC (color.a, 0x0001, 0xfffe))
934 {
935 color.r = color.r * 0xffff / color.a;
936 color.g = color.g * 0xffff / color.a;
937 color.b = color.b * 0xffff / color.a;
938 }
939
839#else 940#else
941
840 color.r = c.red; 942 color.r = c.red;
841 color.g = c.green; 943 color.g = c.green;
842 color.b = c.blue; 944 color.b = c.blue;
843 color.a = rgba::MAX_CC; 945 color.a = rgba::MAX_CC;
844#endif
845}
846 946
947#endif
948}
949
847void 950void
848rxvt_color::get (XColor &color) 951rxvt_color::get (XColor &color) const
849{ 952{
850 rgba c; 953 rgba c;
851 get (c); 954 get (c);
852 955
853 color.red = c.r; 956 color.red = c.r;
… …
884 lerp (c.a, to.a, percent) 987 lerp (c.a, to.a, percent)
885 ) 988 )
886 ); 989 );
887} 990}
888 991
992rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
993: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
994{
995 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
996
997 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
998 timer_ev.repeat = 10.;
999 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
1000
1001 incr_buf = 0;
1002 incr_buf_size = incr_buf_fill = 0;
1003 selection_wait = Sel_normal;
1004 selection_type = selnum;
1005 cb_sv = 0;
1006}
1007
1008void
1009rxvt_selection::stop ()
1010{
1011 free (incr_buf);
1012 incr_buf = 0;
1013 timer_ev.stop ();
1014 x_ev.stop (display);
1015}
1016
1017rxvt_selection::~rxvt_selection ()
1018{
1019 stop ();
1020}
1021
1022void
1023rxvt_selection::run ()
1024{
1025 int selnum = selection_type;
1026
1027#if ENABLE_FRILLS
1028 if (selnum == Sel_Primary && display->selection_owner)
1029 {
1030 /* internal selection */
1031 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1032 finish (str, strlen (str));
1033 free (str);
1034 return;
1035 }
1036#endif
1037
1038#if X_HAVE_UTF8_STRING
1039 selection_type = Sel_UTF8String;
1040 if (request (display->xa[XA_UTF8_STRING], selnum))
1041 return;
1042#else
1043 selection_type = Sel_CompoundText;
1044 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1045 return;
1046#endif
1047
1048 // fallback to CUT_BUFFER0 if the requested property has no owner
1049 handle_selection (display->root, XA_CUT_BUFFER0, false);
1050}
1051
1052void
1053rxvt_selection::finish (char *data, unsigned int len)
1054{
1055 if (!cb_sv)
1056 {
1057 if (data)
1058 term->paste (data, len);
1059
1060 term->selection_req = 0;
1061 delete this;
1062 }
1063#if ENABLE_PERL
1064 else
1065 {
1066 stop (); // we do not really trust perl callbacks
1067 rxvt_perl.selection_finish (this, data, len);
1068 }
1069#endif
1070}
1071
1072bool
1073rxvt_selection::request (Atom target, int selnum)
1074{
1075 Atom sel;
1076
1077 selection_type |= selnum;
1078
1079 if (selnum == Sel_Primary)
1080 sel = XA_PRIMARY;
1081 else if (selnum == Sel_Secondary)
1082 sel = XA_SECONDARY;
1083 else
1084 sel = display->xa[XA_CLIPBOARD];
1085
1086 if (XGetSelectionOwner (display->dpy, sel) != None)
1087 {
1088 XConvertSelection (display->dpy, sel, target, request_prop,
1089 request_win, request_time);
1090 x_ev.start (display, request_win);
1091 timer_ev.again ();
1092 return true;
1093 }
1094
1095 return false;
1096}
1097
1098void
1099rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1100{
1101 Display *dpy = display->dpy;
1102 char *data = 0;
1103 unsigned int data_len = 0;
1104 unsigned long bytes_after;
1105 XTextProperty ct;
1106
1107 // check for failed XConvertSelection
1108 if (prop == None)
1109 {
1110 bool error = true;
1111 int selnum = selection_type & Sel_whereMask;
1112
1113 if (selection_type & Sel_CompoundText)
1114 {
1115 selection_type = 0;
1116 error = !request (XA_STRING, selnum);
1117 }
1118
1119 if (selection_type & Sel_UTF8String)
1120 {
1121 selection_type = Sel_CompoundText;
1122 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1123 }
1124
1125 if (error)
1126 {
1127 ct.value = 0;
1128 goto bailout;
1129 }
1130
1131 return;
1132 }
1133
1134 // length == (2^31 - 1) / 4, as gdk
1135 if (XGetWindowProperty (dpy, win, prop,
1136 0, 0x1fffffff,
1137 delete_prop, AnyPropertyType,
1138 &ct.encoding, &ct.format,
1139 &ct.nitems, &bytes_after,
1140 &ct.value) != Success)
1141 {
1142 ct.value = 0;
1143 goto bailout;
1144 }
1145
1146 if (ct.encoding == None)
1147 goto bailout;
1148
1149 if (ct.value == 0)
1150 goto bailout;
1151
1152 if (ct.encoding == display->xa[XA_INCR])
1153 {
1154 // INCR selection, start handshake
1155 if (!delete_prop)
1156 XDeleteProperty (dpy, win, prop);
1157
1158 selection_wait = Sel_incr;
1159 timer_ev.again ();
1160
1161 goto bailout;
1162 }
1163
1164 if (ct.nitems == 0)
1165 {
1166 if (selection_wait == Sel_incr)
1167 {
1168 XFree (ct.value);
1169
1170 // finally complete, now paste the whole thing
1171 selection_wait = Sel_normal;
1172 ct.value = (unsigned char *)incr_buf;
1173 ct.nitems = incr_buf_fill;
1174 incr_buf = 0;
1175 timer_ev.stop ();
1176 }
1177 else
1178 {
1179 // avoid recursion
1180 if (win != display->root || prop != XA_CUT_BUFFER0)
1181 {
1182 XFree (ct.value);
1183
1184 // fallback to CUT_BUFFER0 if the requested property
1185 // has an owner but is empty
1186 handle_selection (display->root, XA_CUT_BUFFER0, False);
1187 return;
1188 }
1189
1190 goto bailout;
1191 }
1192 }
1193 else if (selection_wait == Sel_incr)
1194 {
1195 timer_ev.again ();
1196
1197 while (incr_buf_fill + ct.nitems > incr_buf_size)
1198 {
1199 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1200 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1201 }
1202
1203 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1204 incr_buf_fill += ct.nitems;
1205
1206 goto bailout;
1207 }
1208
1209 char **cl;
1210 int cr;
1211
1212 // we honour the first item only
1213
1214#if !ENABLE_MINIMAL
1215 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1216 // so recode it manually
1217 if (ct.encoding == display->xa[XA_UTF8_STRING])
1218 {
1219 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1220 data = rxvt_wcstombs (w);
1221 free (w);
1222 }
1223 else
1224#endif
1225 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1226 && cl)
1227 {
1228 data = strdup (cl[0]);
1229 XFreeStringList (cl);
1230 }
1231 else
1232 {
1233 // paste raw
1234 data = strdup ((const char *)ct.value);
1235 }
1236
1237 data_len = strlen (data);
1238
1239bailout:
1240 XFree (ct.value);
1241
1242 if (selection_wait == Sel_normal)
1243 {
1244 finish (data, data_len);
1245 free (data);
1246 }
1247}
1248
1249void
1250rxvt_selection::timer_cb (ev::timer &w, int revents)
1251{
1252 if (selection_wait == Sel_incr)
1253 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1254
1255 finish ();
1256}
1257
1258void
1259rxvt_selection::x_cb (XEvent &xev)
1260{
1261 switch (xev.type)
1262 {
1263 case PropertyNotify:
1264 if (selection_wait == Sel_incr
1265 && xev.xproperty.atom == request_prop
1266 && xev.xproperty.state == PropertyNewValue)
1267 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1268 break;
1269
1270 case SelectionNotify:
1271 if (selection_wait == Sel_normal
1272 && xev.xselection.time == request_time)
1273 {
1274 timer_ev.stop ();
1275 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1276 }
1277 break;
1278 }
1279}

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