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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.25 by root, Wed Jan 25 02:42:06 2006 UTC vs.
Revision 1.48 by root, Thu Feb 2 12:51:22 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{
… …
177 201
178#endif 202#endif
179 203
180///////////////////////////////////////////////////////////////////////////// 204/////////////////////////////////////////////////////////////////////////////
181 205
206void
207rxvt_screen::set (rxvt_display *disp)
208{
209 display = disp;
210 xdisp = disp->display;
211
212 Screen *screen = ScreenOfDisplay (xdisp, disp->screen);
213
214 depth = DefaultDepthOfScreen (screen);
215 visual = DefaultVisualOfScreen (screen);
216 cmap = DefaultColormapOfScreen (screen);
217}
218
219void
220rxvt_screen::set (rxvt_display *disp, int bitdepth)
221{
222 set (disp);
223
224#if XFT
225 XVisualInfo vinfo;
226
227 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo))
228 {
229 depth = bitdepth;
230 visual = vinfo.visual;
231 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone);
232 }
233#endif
234}
235
236void
237rxvt_screen::clear ()
238{
239 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen)))
240 XFreeColormap (xdisp, cmap);
241}
242
243/////////////////////////////////////////////////////////////////////////////
244
182rxvt_display::rxvt_display (const char *id) 245rxvt_display::rxvt_display (const char *id)
183: refcounted (id) 246: refcounted (id)
184, x_ev (this, &rxvt_display::x_cb) 247, x_ev (this, &rxvt_display::x_cb)
185, selection_owner (0) 248, selection_owner (0)
186{ 249{
… …
287 if (!display) 350 if (!display)
288 return false; 351 return false;
289 352
290 screen = DefaultScreen (display); 353 screen = DefaultScreen (display);
291 root = DefaultRootWindow (display); 354 root = DefaultRootWindow (display);
292 visual = DefaultVisual (display, screen);
293 cmap = DefaultColormap (display, screen);
294 depth = DefaultDepth (display, screen);
295 355
296 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 356 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
297 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 357 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa);
298 358
299 XrmSetDatabase (display, get_resources ()); 359 XrmSetDatabase (display, get_resources ());
… …
307 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 367 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ',
308 &blackcolour, &blackcolour); 368 &blackcolour, &blackcolour);
309 XUnloadFont (display, f); 369 XUnloadFont (display, f);
310#endif 370#endif
311 371
312#ifdef PREFER_24BIT
313 /*
314 * If depth is not 24, look for a 24bit visual.
315 */
316 if (depth != 24)
317 {
318 XVisualInfo vinfo;
319
320 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
321 {
322 depth = 24;
323 visual = vinfo.visual;
324 cmap = XCreateColormap (display,
325 RootWindow (display, screen),
326 visual, AllocNone);
327 }
328 }
329#endif
330
331 int fd = XConnectionNumber (display); 372 int fd = XConnectionNumber (display);
332 373
333#ifndef NO_SLOW_LINK_SUPPORT 374#ifndef NO_SLOW_LINK_SUPPORT
334 // try to detect wether we have a local connection. 375 // try to detect wether we have a local connection.
335 // assume unix domains socket == local, everything else not 376 // assume unix domains socket == local, everything else not
… …
354 395
355void 396void
356rxvt_display::ref_next () 397rxvt_display::ref_next ()
357{ 398{
358 // TODO: somehow check wether the database files/resources changed 399 // TODO: somehow check wether the database files/resources changed
359 // before re-loading/parsing 400 // before affording re-loading/parsing
360 XrmDestroyDatabase (XrmGetDatabase (display)); 401 XrmDestroyDatabase (XrmGetDatabase (display));
361 XrmSetDatabase (display, get_resources ()); 402 XrmSetDatabase (display, get_resources ());
362} 403}
363 404
364rxvt_display::~rxvt_display () 405rxvt_display::~rxvt_display ()
… …
467 508
468 selection_owner = owner; 509 selection_owner = owner;
469} 510}
470 511
471#ifdef USE_XIM 512#ifdef USE_XIM
513
472void rxvt_display::reg (im_watcher *w) 514void rxvt_display::reg (im_watcher *w)
473{ 515{
474 imw.push_back (w); 516 imw.push_back (w);
475} 517}
476 518
… …
500 return xim; 542 return xim;
501} 543}
502 544
503void rxvt_display::put_xim (rxvt_xim *xim) 545void rxvt_display::put_xim (rxvt_xim *xim)
504{ 546{
505#if XLIB_IS_RACEFREE 547# if XLIB_IS_RACEFREE
506 xims.put (xim); 548 xims.put (xim);
507#endif 549# endif
508} 550}
551
509#endif 552#endif
510 553
511Atom rxvt_display::atom (const char *name) 554Atom rxvt_display::atom (const char *name)
512{ 555{
513 return XInternAtom (display, name, False); 556 return XInternAtom (display, name, False);
… …
517 560
518template class refcache<rxvt_display>; 561template class refcache<rxvt_display>;
519refcache<rxvt_display> displays; 562refcache<rxvt_display> displays;
520 563
521///////////////////////////////////////////////////////////////////////////// 564/////////////////////////////////////////////////////////////////////////////
522 565
523bool 566bool
524rxvt_color::set (rxvt_display *display, Pixel p) 567rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
525{ 568{
526#if XFT 569#if XFT
527 XColor xc; 570 XRenderPictFormat *format;
528 571
529 xc.pixel = p; 572 // FUCKING Xft gets it wrong, of course, so work around it.
530 if (!XQueryColor (display->display, display->cmap, &xc)) 573 // Transparency users should eat shit and die, and then
531 return false; 574 // XRenderQueryPictIndexValues themselves plenty.
575 if ((screen->visual->c_class == TrueColor)
576 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual)))
577 {
578 // the fun lies in doing everything manually...
579 c.color.red = color.r;
580 c.color.green = color.g;
581 c.color.blue = color.b;
582 c.color.alpha = color.a;
532 583
584 c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red )
585 | ((color.g * format->direct.greenMask / rgba::MAX_CC) << format->direct.green)
586 | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue )
587 | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha);
588
589 return true;
590 }
591 else
592 {
533 XRenderColor d; 593 XRenderColor d;
534 594
535 d.red = xc.red; 595 d.red = color.r;
536 d.green = xc.green; 596 d.green = color.g;
537 d.blue = xc.blue; 597 d.blue = color.b;
538 d.alpha = 0xffff; 598 d.alpha = color.a;
539 599
540 return 600 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c);
541 XftColorAllocValue (display->display, 601 }
542 display->visual,
543 display->cmap,
544 &d, &c);
545#else 602#else
546 this->p = p; 603 c.red = color.r;
547#endif 604 c.green = color.g;
605 c.blue = color.b;
548 606
607 if (screen->visual->c_class == TrueColor)
608 {
609 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
610 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
611 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
612 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
613 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
614 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
615
616 return true;
617 }
618 else if (XAllocColor (screen->xdisp, screen->cmap, &c))
549 return true; 619 return true;
620 else
621 c.pixel = (color.r + color.g + color.b) > 128*3
622 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->xdisp))
623 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->xdisp));
624#endif
625
626 return false;
550} 627}
551 628
552bool 629bool
553rxvt_color::set (rxvt_display *display, const char *name) 630rxvt_color::set (rxvt_screen *screen, const char *name)
631{
632 rgba c;
633 char eos;
634 int skip;
635
636 // parse the nonstandard "[alphapercent]" prefix
637 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
638 {
639 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
640 name += skip;
641 }
642 else
643 c.a = rgba::MAX_CC;
644
645 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
646 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
647 {
648 XColor xc, xc_exact;
649
650 if (XParseColor (screen->xdisp, screen->cmap, name, &xc))
651 {
652 c.r = xc.red;
653 c.g = xc.green;
654 c.b = xc.blue;
655 }
656 else
657 {
658 c.r = 0xffff;
659 c.g = 0x6969;
660 c.b = 0xb4b4;
661
662 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
663 }
664 }
665
666 return set (screen, c);
667}
668
669bool
670rxvt_color::set (rxvt_screen *screen, const rgba &color)
671{
672 bool got = alloc (screen, color);
673
674#if !ENABLE_MINIMAL
675 int cmap_size = screen->visual->map_entries;
676
677 if (!got
678 && screen->visual->c_class == PseudoColor
679 && cmap_size < 4096)
680 {
681 XColor *colors = new XColor [screen->visual->map_entries];
682
683 for (int i = 0; i < cmap_size; i++)
684 colors [i].pixel = i;
685
686 // many kilobytes transfer per colour, but pseudocolor isn't worth
687 // many extra optimisations.
688 XQueryColors (screen->xdisp, screen->cmap, colors, cmap_size);
689
690 int diff = 0x7fffffffUL;
691 XColor *best = colors;
692
693 for (int i = 0; i < cmap_size; i++)
694 {
695 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
696 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
697 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
698
699 if (d < diff)
700 {
701 diff = d;
702 best = colors + i;
703 }
704 }
705
706 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
707 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
708
709 got = alloc (screen, rgba (best->red, best->green, best->blue));
710
711 delete colors;
712 }
713#endif
714
715 return got;
716}
717
718void
719rxvt_color::get (rgba &color)
554{ 720{
555#if XFT 721#if XFT
556 return XftColorAllocName (display->display, display->visual, display->cmap, 722 color.r = c.color.red;
557 name, &c); 723 color.g = c.color.green;
724 color.b = c.color.blue;
725 color.a = c.color.alpha;
558#else 726#else
559 XColor xc; 727 color.r = c.red;
560 728 color.g = c.green;
561 if (XParseColor (display->display, display->cmap, name, &xc)) 729 color.b = c.blue;
562 return set (display, xc.red, xc.green, xc.blue); 730 color.a = rgba::MAX_CC;
563
564 return false;
565#endif 731#endif
566} 732}
567 733
568bool 734void
569rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb) 735rxvt_color::get (XColor &color)
570{ 736{
571 XColor xc; 737 rgba c;
738 get (c);
572 739
573 xc.red = cr; 740 color.red = c.r;
574 xc.green = cg; 741 color.green = c.g;
575 xc.blue = cb; 742 color.blue = c.b;
576 xc.flags = DoRed | DoGreen | DoBlue; 743 color.pixel = (Pixel)*this;
577
578 if (XAllocColor (display->display, display->cmap, &xc))
579 return set (display, xc.pixel);
580
581 return false;
582} 744}
583 745
584void 746void
585rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 747rxvt_color::free (rxvt_screen *screen)
586{ 748{
587#if XFT 749#if XFT
588 cr = c.color.red; 750 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
589 cg = c.color.green;
590 cb = c.color.blue;
591#else 751#else
592 XColor c; 752 XFreeColors (screen->xdisp, screen->cmap, &c.pixel, 1, AllPlanes);
593
594 c.pixel = p;
595 XQueryColor (display->display, display->cmap, &c);
596
597 cr = c.red;
598 cg = c.green;
599 cb = c.blue;
600#endif 753#endif
601} 754}
602 755
603void 756void
604rxvt_color::free (rxvt_display *display) 757rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
605{ 758{
606#if XFT 759 rgba c;
607 XftColorFree (display->display, display->visual, display->cmap, &c); 760 get (c);
608#else
609 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
610#endif
611}
612 761
613rxvt_color 762 result.set (
614rxvt_color::fade (rxvt_display *display, int percent) 763 screen,
615{ 764 rgba (
616 percent = 100 - percent; 765 lerp (c.r, to.r, percent),
617 766 lerp (c.g, to.g, percent),
618 unsigned short cr, cg, cb; 767 lerp (c.b, to.b, percent),
619 rxvt_color faded; 768 lerp (c.a, to.a, percent)
620 769 )
621 get (display, cr, cg, cb);
622
623 faded.set (
624 display,
625 cr * percent / 100,
626 cg * percent / 100,
627 cb * percent / 100
628 ); 770 );
629
630 return faded;
631} 771}
632 772
633#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
634
635rxvt_color
636rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
637{
638 percent = 100 - percent;
639
640 unsigned short cr, cg, cb;
641 unsigned short fcr, fcg, fcb;
642 rxvt_color faded;
643
644 get (display, cr, cg, cb);
645 fadeto.get(display, fcr, fcg, fcb);
646
647 faded.set (
648 display,
649 LERP (cr, fcr, percent),
650 LERP (cg, fcg, percent),
651 LERP (cb, fcb, percent)
652 );
653
654 return faded;
655}
656

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