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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.27 by root, Wed Jan 25 21:09:21 2006 UTC vs.
Revision 1.45 by root, Wed Feb 1 01:58:47 2006 UTC

… …
32#ifndef NO_SLOW_LINK_SUPPORT 32#ifndef NO_SLOW_LINK_SUPPORT
33# include <sys/socket.h> 33# include <sys/socket.h>
34# include <sys/un.h> 34# include <sys/un.h>
35#endif 35#endif
36 36
37#if XFT
38# include <X11/extensions/Xrender.h>
39#endif
40
37const char *const xa_names[] = 41const char *const xa_names[] =
38 { 42{
39 "TEXT", 43 "TEXT",
40 "COMPOUND_TEXT", 44 "COMPOUND_TEXT",
41 "UTF8_STRING", 45 "UTF8_STRING",
42 "MULTIPLE", 46 "MULTIPLE",
43 "TARGETS", 47 "TARGETS",
44 "TIMESTAMP", 48 "TIMESTAMP",
45 "VT_SELECTION", 49 "VT_SELECTION",
46 "INCR", 50 "INCR",
47 "WM_PROTOCOLS", 51 "WM_PROTOCOLS",
48 "WM_DELETE_WINDOW", 52 "WM_DELETE_WINDOW",
49 "CLIPBOARD", 53 "CLIPBOARD",
54 "AVERAGE_WIDTH",
55 "WEIGHT_NAME",
56 "SLANT",
57 "CHARSET_REGISTRY",
58 "CHARSET_ENCODING",
50#if ENABLE_FRILLS 59#if ENABLE_FRILLS
51 "_MOTIF_WM_HINTS", 60 "_MOTIF_WM_HINTS",
52#endif 61#endif
53#if ENABLE_EWMH 62#if ENABLE_EWMH
54 "_NET_WM_PID", 63 "_NET_WM_PID",
55 "_NET_WM_NAME", 64 "_NET_WM_NAME",
56 "_NET_WM_ICON_NAME", 65 "_NET_WM_ICON_NAME",
57 "_NET_WM_PING", 66 "_NET_WM_PING",
58#endif 67#endif
59#if USE_XIM 68#if USE_XIM
60 "WM_LOCALE_NAME", 69 "WM_LOCALE_NAME",
61 "XIM_SERVERS", 70 "XIM_SERVERS",
62#endif 71#endif
63#ifdef TRANSPARENT 72#ifdef TRANSPARENT
64 "_XROOTPMAP_ID", 73 "_XROOTPMAP_ID",
65 "ESETROOT_PMAP_ID", 74 "ESETROOT_PMAP_ID",
66#endif 75#endif
67#if ENABLE_XEMBED 76#if ENABLE_XEMBED
68 "_XEMBED", 77 "_XEMBED",
69 "_XEMBED_INFO", 78 "_XEMBED_INFO",
79#endif
80#if !ENABLE_MINIMAL
81 "SCREEN_RESOURCES",
82 "XDCCC_LINEAR_RGB_CORRECTION",
83 "XDCCC_LINEAR_RGB_MATRICES",
84 "WM_COLORMAP_WINDOWS",
85 "WM_STATE",
86 "cursor",
87# if USE_XIM
88 "TRANSPORT",
89 "LOCALES",
90 "_XIM_PROTOCOL",
91 "_XIM_XCONNECT",
92 "_XIM_MOREDATA",
70#endif 93# endif
71 }; 94#endif
95};
72 96
73///////////////////////////////////////////////////////////////////////////// 97/////////////////////////////////////////////////////////////////////////////
74 98
75refcounted::refcounted (const char *id) 99refcounted::refcounted (const char *id)
76{ 100{
… …
191 visual = DefaultVisualOfScreen (screen); 215 visual = DefaultVisualOfScreen (screen);
192 cmap = DefaultColormapOfScreen (screen); 216 cmap = DefaultColormapOfScreen (screen);
193} 217}
194 218
195void 219void
196rxvt_screen::set (rxvt_display *disp, int depth) 220rxvt_screen::set (rxvt_display *disp, int bitdepth)
197{ 221{
198 set (disp); 222 set (disp);
199 223
224#if XFT
200 XVisualInfo vinfo; 225 XVisualInfo vinfo;
201 226
202 if (XMatchVisualInfo (xdisp, display->screen, depth, TrueColor, &vinfo)) 227 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo))
203 { 228 {
204 this->depth = depth; 229 depth = bitdepth;
205 this->visual = vinfo.visual; 230 visual = vinfo.visual;
206 this->cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 231 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone);
207 } 232 }
233#endif
208} 234}
209 235
210void 236void
211rxvt_screen::clear () 237rxvt_screen::clear ()
212{ 238{
… …
532 558
533template class refcache<rxvt_display>; 559template class refcache<rxvt_display>;
534refcache<rxvt_display> displays; 560refcache<rxvt_display> displays;
535 561
536///////////////////////////////////////////////////////////////////////////// 562/////////////////////////////////////////////////////////////////////////////
537 563
538bool 564bool
539rxvt_color::set (rxvt_screen *screen, Pixel p) 565rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
540{ 566{
541#if XFT 567#if XFT
542 XColor xc; 568 XRenderPictFormat *format;
543 569
544 xc.pixel = p; 570 // FUCKING Xft gets it wrong, of course, so work around it
545 if (!XQueryColor (screen->xdisp, screen->cmap, &xc)) 571 // transparency users should eat shit and die, and then
546 return false; 572 // XRenderQueryPictIndexValues themselves plenty.
573 if ((screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor)
574 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual)))
575 {
576 // the fun lies in doing everything manually...
577 c.color.red = color.r;
578 c.color.green = color.g;
579 c.color.blue = color.b;
580 c.color.alpha = color.a;
547 581
582 c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red )
583 | ((color.g * format->direct.greenMask / rgba::MAX_CC) << format->direct.green)
584 | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue )
585 | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha);
586
587 return true;
588 }
589 else
590 {
548 XRenderColor d; 591 XRenderColor d;
549 592
550 d.red = xc.red; 593 d.red = color.r;
551 d.green = xc.green; 594 d.green = color.g;
552 d.blue = xc.blue; 595 d.blue = color.b;
553 d.alpha = 0xffff; 596 d.alpha = color.a;
554 597
555 return 598 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c);
556 XftColorAllocValue (screen->xdisp, 599 }
557 screen->visual,
558 screen->cmap,
559 &d, &c);
560#else 600#else
561 this->p = p; 601 if (screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor)
562#endif 602 {
603 c.red = color.g;
604 c.green = color.g;
605 c.blue = color.g;
606 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
607 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
608 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
609 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
610 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
611 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
563 612
613 return true;
614 }
615 else
616 {
617 c.red = color.r;
618 c.green = color.g;
619 c.blue = color.b;
620
621 if (XAllocColor (screen->xdisp, screen->cmap, &c))
564 return true; 622 return true;
623 else
624 c.pixel = (color.r + color.g + color.b) > 128*3
625 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->xdisp))
626 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->xdisp));
627 }
628#endif
629
630 return false;
565} 631}
566 632
567bool 633bool
568rxvt_color::set (rxvt_screen *screen, const char *name) 634rxvt_color::set (rxvt_screen *screen, const char *name)
569{ 635{
636 rgba c;
637 char eos;
638 int skip;
639
640 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
641 {
642 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
643 name += skip;
644 }
645 else
646 c.a = rgba::MAX_CC;
647
648 // parse the non-standard rgba format
649 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
650 {
651 XColor xc, xc_exact;
652
653 if (XParseColor (screen->xdisp, screen->cmap, name, &xc))
654 {
655 c.r = xc.red;
656 c.g = xc.green;
657 c.b = xc.blue;
658 }
659 else
660 {
661 c.r = 0xffff;
662 c.g = 0x6969;
663 c.b = 0xb4b4;
664
665 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
666 }
667 }
668
669 return set (screen, c);
670}
671
672bool
673rxvt_color::set (rxvt_screen *screen, const rgba &color)
674{
675 bool got = alloc (screen, color);
676
677#if !ENABLE_MINIMAL
678 int cmap_size = screen->visual->map_entries;
679
680 if (!got
681 && screen->visual->c_class == PseudoColor
682 && cmap_size < 4096)
683 {
684 XColor *colors = new XColor [screen->visual->map_entries];
685
686 for (int i = 0; i < cmap_size; i++)
687 colors [i].pixel = i;
688
689 // many kilobytes transfer per colour, but pseudocolor isn't worth
690 // many extra optimisations.
691 XQueryColors (screen->xdisp, screen->cmap, colors, cmap_size);
692
693 int diff = 0x7fffffffUL;
694 XColor *best = colors;
695
696 for (int i = 0; i < cmap_size; i++)
697 {
698 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
699 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
700 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
701
702 if (d < diff)
703 {
704 diff = d;
705 best = colors + i;
706 }
707 }
708
709 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
710 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
711
712 got = alloc (screen, rgba (best->red, best->green, best->blue));
713
714 delete colors;
715 }
716#endif
717
718 return got;
719}
720
721void
722rxvt_color::get (rgba &color)
723{
570#if XFT 724#if XFT
571 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c); 725 color.r = c.color.red;
726 color.g = c.color.green;
727 color.b = c.color.blue;
728 color.a = c.color.alpha;
572#else 729#else
573 XColor xc;
574
575 if (XParseColor (screen->xdisp, screen->cmap, name, &xc))
576 return set (screen, xc.red, xc.green, xc.blue);
577
578 return false;
579#endif
580}
581
582bool
583rxvt_color::set (rxvt_screen *screen, unsigned short cr, unsigned short cg, unsigned short cb)
584{
585 XColor xc;
586
587 xc.red = cr;
588 xc.green = cg;
589 xc.blue = cb;
590 xc.flags = DoRed | DoGreen | DoBlue;
591
592 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
593 return set (screen, xc.pixel);
594
595 return false;
596}
597
598void
599rxvt_color::get (rxvt_screen *screen, unsigned short &cr, unsigned short &cg, unsigned short &cb)
600{
601#if XFT
602 cr = c.color.red;
603 cg = c.color.green;
604 cb = c.color.blue;
605#else
606 XColor c;
607
608 c.pixel = p;
609 XQueryColor (screen->xdisp, screen->cmap, &c);
610
611 cr = c.red; 730 color.r = c.red;
612 cg = c.green; 731 color.g = c.green;
613 cb = c.blue; 732 color.b = c.blue;
733 color.a = rgba::MAX_CC;
614#endif 734#endif
615} 735}
616 736
617void 737void
618rxvt_color::free (rxvt_screen *screen) 738rxvt_color::free (rxvt_screen *screen)
619{ 739{
620#if XFT 740#if XFT
621 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 741 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
622#else 742#else
623 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 743 XFreeColors (screen->xdisp, screen->cmap, &c.pixel, 1, AllPlanes);
624#endif 744#endif
625} 745}
626 746
627rxvt_color 747void
628rxvt_color::fade (rxvt_screen *screen, int percent) 748rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
629{ 749{
630 percent = 100 - percent; 750 rgba c;
751 get (c);
631 752
632 unsigned short cr, cg, cb; 753 result.set (
633 rxvt_color faded;
634
635 get (screen, cr, cg, cb);
636
637 faded.set (
638 screen, 754 screen,
639 cr * percent / 100, 755 rgba (
640 cg * percent / 100, 756 lerp (c.r, to.r, percent),
641 cb * percent / 100 757 lerp (c.g, to.g, percent),
758 lerp (c.b, to.b, percent),
759 lerp (c.a, to.a, percent)
760 )
642 ); 761 );
643
644 return faded;
645} 762}
646 763
647#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
648
649rxvt_color
650rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
651{
652 percent = 100 - percent;
653
654 unsigned short cr, cg, cb;
655 unsigned short fcr, fcg, fcb;
656 rxvt_color faded;
657
658 get (screen, cr, cg, cb);
659 fadeto.get (screen, fcr, fcg, fcb);
660
661 faded.set (
662 screen,
663 LERP (cr, fcr, percent),
664 LERP (cg, fcg, percent),
665 LERP (cb, fcb, percent)
666 );
667
668 return faded;
669}
670

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