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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.23 by root, Wed Jan 11 00:59:58 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
41const char *const xa_names[] =
42{
43 "TEXT",
44 "COMPOUND_TEXT",
45 "UTF8_STRING",
46 "MULTIPLE",
47 "TARGETS",
48 "TIMESTAMP",
49 "VT_SELECTION",
50 "INCR",
51 "WM_PROTOCOLS",
52 "WM_DELETE_WINDOW",
53 "CLIPBOARD",
54 "AVERAGE_WIDTH",
55 "WEIGHT_NAME",
56 "SLANT",
57 "CHARSET_REGISTRY",
58 "CHARSET_ENCODING",
59#if ENABLE_FRILLS
60 "_MOTIF_WM_HINTS",
61#endif
62#if ENABLE_EWMH
63 "_NET_WM_PID",
64 "_NET_WM_NAME",
65 "_NET_WM_ICON_NAME",
66 "_NET_WM_PING",
67#endif
68#if USE_XIM
69 "WM_LOCALE_NAME",
70 "XIM_SERVERS",
71#endif
72#ifdef TRANSPARENT
73 "_XROOTPMAP_ID",
74 "ESETROOT_PMAP_ID",
75#endif
76#if ENABLE_XEMBED
77 "_XEMBED",
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",
93# endif
94#endif
95};
96
97/////////////////////////////////////////////////////////////////////////////
98
37refcounted::refcounted (const char *id) 99refcounted::refcounted (const char *id)
38{ 100{
39 this->id = strdup (id); 101 this->id = strdup (id);
40} 102}
41 103
… …
93} 155}
94 156
95///////////////////////////////////////////////////////////////////////////// 157/////////////////////////////////////////////////////////////////////////////
96 158
97#ifdef USE_XIM 159#ifdef USE_XIM
160
98static void 161static void
99#if XIMCB_PROTO_BROKEN 162#if XIMCB_PROTO_BROKEN
100im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 163im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
101#else 164#else
102im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 165im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
133rxvt_xim::~rxvt_xim () 196rxvt_xim::~rxvt_xim ()
134{ 197{
135 if (xim) 198 if (xim)
136 XCloseIM (xim); 199 XCloseIM (xim);
137} 200}
201
138#endif 202#endif
203
204/////////////////////////////////////////////////////////////////////////////
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}
139 242
140///////////////////////////////////////////////////////////////////////////// 243/////////////////////////////////////////////////////////////////////////////
141 244
142rxvt_display::rxvt_display (const char *id) 245rxvt_display::rxvt_display (const char *id)
143: refcounted (id) 246: refcounted (id)
… …
247 if (!display) 350 if (!display)
248 return false; 351 return false;
249 352
250 screen = DefaultScreen (display); 353 screen = DefaultScreen (display);
251 root = DefaultRootWindow (display); 354 root = DefaultRootWindow (display);
252 visual = DefaultVisual (display, screen); 355
253 cmap = DefaultColormap (display, screen); 356 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
254 depth = DefaultDepth (display, screen); 357 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa);
255 358
256 XrmSetDatabase (display, get_resources ()); 359 XrmSetDatabase (display, get_resources ());
257 360
258#ifdef POINTER_BLANK 361#ifdef POINTER_BLANK
259 XColor blackcolour; 362 XColor blackcolour;
… …
264 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 367 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ',
265 &blackcolour, &blackcolour); 368 &blackcolour, &blackcolour);
266 XUnloadFont (display, f); 369 XUnloadFont (display, f);
267#endif 370#endif
268 371
269#ifdef PREFER_24BIT
270 /*
271 * If depth is not 24, look for a 24bit visual.
272 */
273 if (depth != 24)
274 {
275 XVisualInfo vinfo;
276
277 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
278 {
279 depth = 24;
280 visual = vinfo.visual;
281 cmap = XCreateColormap (display,
282 RootWindow (display, screen),
283 visual, AllocNone);
284 }
285 }
286#endif
287
288 int fd = XConnectionNumber (display); 372 int fd = XConnectionNumber (display);
289 373
290#ifndef NO_SLOW_LINK_SUPPORT 374#ifndef NO_SLOW_LINK_SUPPORT
291 // try to detect wether we have a local connection. 375 // try to detect wether we have a local connection.
292 // assume unix domains socket == local, everything else not 376 // assume unix domains socket == local, everything else not
… …
301 385
302 x_ev.start (fd, EVENT_READ); 386 x_ev.start (fd, EVENT_READ);
303 fcntl (fd, F_SETFD, FD_CLOEXEC); 387 fcntl (fd, F_SETFD, FD_CLOEXEC);
304 388
305 XSelectInput (display, root, PropertyChangeMask); 389 XSelectInput (display, root, PropertyChangeMask);
306#ifdef USE_XIM
307 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
308#endif
309 390
310 flush (); 391 flush ();
311 392
312 return true; 393 return true;
313} 394}
314 395
315void 396void
316rxvt_display::ref_next () 397rxvt_display::ref_next ()
317{ 398{
318 // TODO: somehow check wether the database files/resources changed 399 // TODO: somehow check wether the database files/resources changed
319 // before re-loading/parsing 400 // before affording re-loading/parsing
320 XrmDestroyDatabase (XrmGetDatabase (display)); 401 XrmDestroyDatabase (XrmGetDatabase (display));
321 XrmSetDatabase (display, get_resources ()); 402 XrmSetDatabase (display, get_resources ());
322} 403}
323 404
324rxvt_display::~rxvt_display () 405rxvt_display::~rxvt_display ()
… …
349 // registers, as xlib crashes due to a race otherwise. 430 // registers, as xlib crashes due to a race otherwise.
350 Atom actual_type, *atoms; 431 Atom actual_type, *atoms;
351 int actual_format; 432 int actual_format;
352 unsigned long nitems, bytes_after; 433 unsigned long nitems, bytes_after;
353 434
354 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 435 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
355 False, XA_ATOM, &actual_type, &actual_format, 436 False, XA_ATOM, &actual_type, &actual_format,
356 &nitems, &bytes_after, (unsigned char **)&atoms) 437 &nitems, &bytes_after, (unsigned char **)&atoms)
357 != Success ) 438 != Success )
358 return; 439 return;
359 440
… …
379#ifdef USE_XIM 460#ifdef USE_XIM
380 if (!XFilterEvent (&xev, None)) 461 if (!XFilterEvent (&xev, None))
381 { 462 {
382 if (xev.type == PropertyNotify 463 if (xev.type == PropertyNotify
383 && xev.xany.window == root 464 && xev.xany.window == root
384 && xev.xproperty.atom == xa_xim_servers) 465 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
385 im_change_check (); 466 im_change_check ();
386#endif 467#endif
387 for (int i = xw.size (); i--; ) 468 for (int i = xw.size (); i--; )
388 { 469 {
389 if (!xw[i]) 470 if (!xw[i])
… …
427 508
428 selection_owner = owner; 509 selection_owner = owner;
429} 510}
430 511
431#ifdef USE_XIM 512#ifdef USE_XIM
513
432void rxvt_display::reg (im_watcher *w) 514void rxvt_display::reg (im_watcher *w)
433{ 515{
434 imw.push_back (w); 516 imw.push_back (w);
435} 517}
436 518
… …
460 return xim; 542 return xim;
461} 543}
462 544
463void rxvt_display::put_xim (rxvt_xim *xim) 545void rxvt_display::put_xim (rxvt_xim *xim)
464{ 546{
465#if XLIB_IS_RACEFREE 547# if XLIB_IS_RACEFREE
466 xims.put (xim); 548 xims.put (xim);
467#endif 549# endif
468} 550}
551
469#endif 552#endif
470 553
471Atom rxvt_display::atom (const char *name) 554Atom rxvt_display::atom (const char *name)
472{ 555{
473 return XInternAtom (display, name, False); 556 return XInternAtom (display, name, False);
… …
477 560
478template class refcache<rxvt_display>; 561template class refcache<rxvt_display>;
479refcache<rxvt_display> displays; 562refcache<rxvt_display> displays;
480 563
481///////////////////////////////////////////////////////////////////////////// 564/////////////////////////////////////////////////////////////////////////////
482 565
483bool 566bool
484rxvt_color::set (rxvt_display *display, Pixel p) 567rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
485{ 568{
486#if XFT 569#if XFT
487 XColor xc; 570 XRenderPictFormat *format;
488 571
489 xc.pixel = p; 572 // FUCKING Xft gets it wrong, of course, so work around it.
490 if (!XQueryColor (display->display, display->cmap, &xc)) 573 // Transparency users should eat shit and die, and then
491 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;
492 583
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 {
493 XRenderColor d; 593 XRenderColor d;
494 594
495 d.red = xc.red; 595 d.red = color.r;
496 d.green = xc.green; 596 d.green = color.g;
497 d.blue = xc.blue; 597 d.blue = color.b;
498 d.alpha = 0xffff; 598 d.alpha = color.a;
499 599
500 return 600 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c);
501 XftColorAllocValue (display->display, 601 }
502 display->visual,
503 display->cmap,
504 &d, &c);
505#else 602#else
506 this->p = p; 603 c.red = color.r;
507#endif 604 c.green = color.g;
605 c.blue = color.b;
508 606
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))
509 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;
510} 627}
511 628
512bool 629bool
513rxvt_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)
514{ 720{
515#if XFT 721#if XFT
516 return XftColorAllocName (display->display, display->visual, display->cmap, 722 color.r = c.color.red;
517 name, &c); 723 color.g = c.color.green;
724 color.b = c.color.blue;
725 color.a = c.color.alpha;
518#else 726#else
519 XColor xc; 727 color.r = c.red;
520 728 color.g = c.green;
521 if (XParseColor (display->display, display->cmap, name, &xc)) 729 color.b = c.blue;
522 return set (display, xc.red, xc.green, xc.blue); 730 color.a = rgba::MAX_CC;
523
524 return false;
525#endif 731#endif
526} 732}
527 733
528bool 734void
529rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb) 735rxvt_color::get (XColor &color)
530{ 736{
531 XColor xc; 737 rgba c;
738 get (c);
532 739
533 xc.red = cr; 740 color.red = c.r;
534 xc.green = cg; 741 color.green = c.g;
535 xc.blue = cb; 742 color.blue = c.b;
536 xc.flags = DoRed | DoGreen | DoBlue; 743 color.pixel = (Pixel)*this;
537
538 if (XAllocColor (display->display, display->cmap, &xc))
539 return set (display, xc.pixel);
540
541 return false;
542} 744}
543 745
544void 746void
545rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 747rxvt_color::free (rxvt_screen *screen)
546{ 748{
547#if XFT 749#if XFT
548 cr = c.color.red; 750 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
549 cg = c.color.green;
550 cb = c.color.blue;
551#else 751#else
552 XColor c; 752 XFreeColors (screen->xdisp, screen->cmap, &c.pixel, 1, AllPlanes);
553
554 c.pixel = p;
555 XQueryColor (display->display, display->cmap, &c);
556
557 cr = c.red;
558 cg = c.green;
559 cb = c.blue;
560#endif 753#endif
561} 754}
562 755
563void 756void
564rxvt_color::free (rxvt_display *display) 757rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
565{ 758{
566#if XFT 759 rgba c;
567 XftColorFree (display->display, display->visual, display->cmap, &c); 760 get (c);
568#else
569 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
570#endif
571}
572 761
573rxvt_color 762 result.set (
574rxvt_color::fade (rxvt_display *display, int percent) 763 screen,
575{ 764 rgba (
576 percent = 100 - percent; 765 lerp (c.r, to.r, percent),
577 766 lerp (c.g, to.g, percent),
578 unsigned short cr, cg, cb; 767 lerp (c.b, to.b, percent),
579 rxvt_color faded; 768 lerp (c.a, to.a, percent)
580 769 )
581 get (display, cr, cg, cb);
582
583 faded.set (
584 display,
585 cr * percent / 100,
586 cg * percent / 100,
587 cb * percent / 100
588 ); 770 );
589
590 return faded;
591} 771}
592 772
593#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
594
595rxvt_color
596rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
597{
598 percent = 100 - percent;
599
600 unsigned short cr, cg, cb;
601 unsigned short fcr, fcg, fcb;
602 rxvt_color faded;
603
604 get (display, cr, cg, cb);
605 fadeto.get(display, fcr, fcg, fcb);
606
607 faded.set (
608 display,
609 LERP (cr, fcr, percent),
610 LERP (cg, fcg, percent),
611 LERP (cb, fcb, percent)
612 );
613
614 return faded;
615}
616

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