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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 1.38 by root, Mon Jan 30 19:46:13 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, rxvt_rgba rgba)
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 = rgba.r;
578 c.color.green = rgba.g;
579 c.color.blue = rgba.b;
580 c.color.alpha = rgba.a;
547 581
582 c.pixel = ((rgba.r * format->direct.redMask / rxvt_rgba::MAX_CC) << format->direct.red )
583 | ((rgba.g * format->direct.greenMask / rxvt_rgba::MAX_CC) << format->direct.green)
584 | ((rgba.b * format->direct.blueMask / rxvt_rgba::MAX_CC) << format->direct.blue )
585 | ((rgba.a * format->direct.alphaMask / rxvt_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 = rgba.r;
551 d.green = xc.green; 594 d.green = rgba.g;
552 d.blue = xc.blue; 595 d.blue = rgba.b;
553 d.alpha = 0xffff; 596 d.alpha = rgba.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 p = (rgba.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
604 / rxvt_rgba::MAX_CC) << ctz (screen->visual->red_mask )
605 | (rgba.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
606 / rxvt_rgba::MAX_CC) << ctz (screen->visual->green_mask)
607 | (rgba.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
608 / rxvt_rgba::MAX_CC) << ctz (screen->visual->blue_mask );
563 609
610 return true;
611 }
612 else
613 {
614 XColor xc;
615
616 xc.red = rgba.r;
617 xc.green = rgba.g;
618 xc.blue = rgba.b;
619
620 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
621 {
622 p = xc.pixel;
564 return true; 623 return true;
624 }
625 else
626 p = (rgba.r + rgba.g + rgba.b) > 128*3
627 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->xdisp))
628 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->xdisp));
629 }
630#endif
631
632 return false;
565} 633}
566 634
567bool 635bool
568rxvt_color::set (rxvt_screen *screen, const char *name) 636rxvt_color::set (rxvt_screen *screen, const char *name)
569{ 637{
638 int l = strlen (name);
639 rxvt_rgba r;
640 char eos;
641 int mult;
642 XColor xc, xc_exact;
643
644 // parse a number of non-standard ARGB colour specifications
645 if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
646 mult = rxvt_rgba::MAX_CC / 0x0010;
647 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
648 mult = rxvt_rgba::MAX_CC / 0x0100;
649 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
650 mult = rxvt_rgba::MAX_CC / 0x0100;
651 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
652 mult = rxvt_rgba::MAX_CC / 0xffff;
653 else if (XParseColor (screen->xdisp, screen->cmap, name, &xc))
654 {
655 r.r = xc.red;
656 r.g = xc.green;
657 r.b = xc.blue;
658 mult = rxvt_rgba::MAX_CC / 0xffff;
659 }
660 else
661 {
662 rxvt_warn ("failed to allocate color '%s', using pink instead.\n", name);
663 r.r = 255;
664 r.g = 105;
665 r.b = 180;
666 mult = rxvt_rgba::MAX_CC / 0x00ff;
667 }
668
669 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
670
671 return set (screen, r);
672}
673
674bool
675rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba)
676{
677 bool got = alloc (screen, rgba);
678
679#if !ENABLE_MINIMAL
680 int cmap_size = screen->visual->map_entries;
681
682 if (!got
683 && screen->visual->c_class == PseudoColor
684 && cmap_size < 4096)
685 {
686 XColor *colors = new XColor [screen->visual->map_entries];
687
688 for (int i = 0; i < cmap_size; i++)
689 colors [i].pixel = i;
690
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> (rgba.r >> 2, colors [i].red >> 2))
699 + (squared_diff<int> (rgba.g >> 2, colors [i].green >> 2))
700 + (squared_diff<int> (rgba.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 // rgba.r, rgba.g, rgba.b, best->red, best->green, best->blue, diff);
711
712 got = alloc (screen, rxvt_rgba (best->red, best->green, best->blue));
713
714 delete colors;
715 }
716#endif
717
718 return got;
719}
720
721void
722rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
723{
570#if XFT 724#if XFT
571 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
572#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; 725 rgba.r = c.color.red;
603 cg = c.color.green; 726 rgba.g = c.color.green;
604 cb = c.color.blue; 727 rgba.b = c.color.blue;
728 rgba.a = c.color.alpha;
605#else 729#else
606 XColor c; 730 XColor c;
607 731
608 c.pixel = p; 732 c.pixel = p;
609 XQueryColor (screen->xdisp, screen->cmap, &c); 733 XQueryColor (screen->xdisp, screen->cmap, &c);
610 734
611 cr = c.red; 735 rgba.r = c.red;
612 cg = c.green; 736 rgba.g = c.green;
613 cb = c.blue; 737 rgba.b = c.blue;
738 rgba.a = rxvt_rgba::MAX_CC;
614#endif 739#endif
615} 740}
616 741
617void 742void
618rxvt_color::free (rxvt_screen *screen) 743rxvt_color::free (rxvt_screen *screen)
… …
625} 750}
626 751
627rxvt_color 752rxvt_color
628rxvt_color::fade (rxvt_screen *screen, int percent) 753rxvt_color::fade (rxvt_screen *screen, int percent)
629{ 754{
630 percent = 100 - percent;
631
632 unsigned short cr, cg, cb;
633 rxvt_color faded; 755 rxvt_color faded;
634 756
757 rxvt_rgba c;
635 get (screen, cr, cg, cb); 758 get (screen, c);
759
760 c.r = lerp (0, c.r, percent);
761 c.g = lerp (0, c.g, percent);
762 c.b = lerp (0, c.b, percent);
763
764 faded.set (screen, c);
765
766 return faded;
767}
768
769rxvt_color
770rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
771{
772 rxvt_rgba c, fc;
773 rxvt_color faded;
774
775 get (screen, c);
776 fadeto.get (screen, fc);
636 777
637 faded.set ( 778 faded.set (
638 screen, 779 screen,
639 cr * percent / 100, 780 rxvt_rgba (
640 cg * percent / 100, 781 lerp (fc.r, c.r, percent),
641 cb * percent / 100 782 lerp (fc.g, c.g, percent),
783 lerp (fc.b, c.b, percent),
784 lerp (fc.a, c.a, percent)
785 )
642 ); 786 );
643 787
644 return faded; 788 return faded;
645} 789}
646 790
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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