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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.26 by root, Wed Jan 25 21:03:04 2006 UTC vs.
Revision 1.50 by root, Thu Feb 2 18:04:46 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{
153bool 177bool
154rxvt_xim::ref_init () 178rxvt_xim::ref_init ()
155{ 179{
156 display = GET_R->display; //HACK: TODO 180 display = GET_R->display; //HACK: TODO
157 181
158 xim = XOpenIM (display->display, NULL, NULL, NULL); 182 xim = XOpenIM (display->dpy, 0, 0, 0);
159 183
160 if (!xim) 184 if (!xim)
161 return false; 185 return false;
162 186
163 XIMCallback ximcallback; 187 XIMCallback ximcallback;
164 ximcallback.client_data = (XPointer)this; 188 ximcallback.client_data = (XPointer)this;
165 ximcallback.callback = im_destroy_cb; 189 ximcallback.callback = im_destroy_cb;
166 190
167 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 191 XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0);
168 192
169 return true; 193 return true;
170} 194}
171 195
172rxvt_xim::~rxvt_xim () 196rxvt_xim::~rxvt_xim ()
181 205
182void 206void
183rxvt_screen::set (rxvt_display *disp) 207rxvt_screen::set (rxvt_display *disp)
184{ 208{
185 display = disp; 209 display = disp;
186
187 xdisp = disp->display; 210 dpy = disp->dpy;
188 211
189 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 212 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
190 213
191 depth = DefaultDepthOfScreen (screen); 214 depth = DefaultDepthOfScreen (screen);
192 visual = DefaultVisualOfScreen (screen); 215 visual = DefaultVisualOfScreen (screen);
193 cmap = DefaultColormapOfScreen (screen); 216 cmap = DefaultColormapOfScreen (screen);
194} 217}
195 218
196void 219void
197rxvt_screen::set (rxvt_display *disp, int depth) 220rxvt_screen::set (rxvt_display *disp, int bitdepth)
198{ 221{
199 set (disp); 222 set (disp);
200 223
224#if XFT
201 XVisualInfo vinfo; 225 XVisualInfo vinfo;
202 226
203 if (XMatchVisualInfo (xdisp, display->screen, depth, TrueColor, &vinfo)) 227 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
204 { 228 {
205 this->depth = depth; 229 depth = bitdepth;
206 this->visual = vinfo.visual; 230 visual = vinfo.visual;
207 this->cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 231 cmap = XCreateColormap (dpy, disp->root, visual, AllocNone);
208 } 232 }
233#endif
209} 234}
210 235
211void 236void
212rxvt_screen::clear () 237rxvt_screen::clear ()
213{ 238{
214 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 239 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
215 XFreeColormap (xdisp, cmap); 240 XFreeColormap (dpy, cmap);
216} 241}
217 242
218///////////////////////////////////////////////////////////////////////////// 243/////////////////////////////////////////////////////////////////////////////
219 244
220rxvt_display::rxvt_display (const char *id) 245rxvt_display::rxvt_display (const char *id)
223, selection_owner (0) 248, selection_owner (0)
224{ 249{
225} 250}
226 251
227XrmDatabase 252XrmDatabase
228rxvt_display::get_resources () 253rxvt_display::get_resources (bool refresh)
229{ 254{
230 char *homedir = (char *)getenv ("HOME"); 255 char *homedir = (char *)getenv ("HOME");
231 char fname[1024]; 256 char fname[1024];
232 257
233 /* 258 /*
234 * get resources using the X library function 259 * get resources using the X library function
235 */ 260 */
236 char *displayResource, *xe; 261 char *displayResource, *xe;
237 XrmDatabase database, rdb1; 262 XrmDatabase rdb1, database = 0;
238
239 database = NULL;
240 263
241 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 264 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
242 265
243 // 6. System wide per application default file. 266 // 6. System wide per application default file.
244 267
254 // 5. User's per application default file. 277 // 5. User's per application default file.
255 // none 278 // none
256 279
257 // 4. User's defaults file. 280 // 4. User's defaults file.
258 /* Get any Xserver defaults */ 281 /* Get any Xserver defaults */
282 if (refresh)
283 {
284 // fucking xlib keeps a copy of the rm string
285 Atom actual_type;
286 int actual_format;
287 unsigned long nitems, nremaining;
288 char *val = 0;
289
290#if XLIB_ILLEGAL_ACCESS
291 if (dpy->xdefaults)
292 XFree (dpy->xdefaults);
293#endif
294
295 if (XGetWindowProperty (dpy, root, XA_RESOURCE_MANAGER,
296 0L, 100000000L, False,
297 XA_STRING, &actual_type, &actual_format,
298 &nitems, &nremaining,
299 (unsigned char **)&val) == Success
300 && actual_type == XA_STRING
301 && actual_format == 8)
302 displayResource = val;
303 else
304 {
305 displayResource = 0;
306 if (val)
307 XFree(val);
308 }
309
310#if XLIB_ILLEGAL_ACCESS
311 dpy->xdefaults = displayResource;
312#endif
313 }
314 else
259 displayResource = XResourceManagerString (display); 315 displayResource = XResourceManagerString (dpy);
260 316
261 if (displayResource != NULL) 317 if (displayResource)
262 { 318 {
263 if ((rdb1 = XrmGetStringDatabase (displayResource))) 319 if ((rdb1 = XrmGetStringDatabase (displayResource)))
264 XrmMergeDatabases (rdb1, &database); 320 XrmMergeDatabases (rdb1, &database);
265 } 321 }
266 else if (homedir) 322 else if (homedir)
269 325
270 if ((rdb1 = XrmGetFileDatabase (fname))) 326 if ((rdb1 = XrmGetFileDatabase (fname)))
271 XrmMergeDatabases (rdb1, &database); 327 XrmMergeDatabases (rdb1, &database);
272 } 328 }
273 329
330#if !XLIB_ILLEGAL_ACCESS
331 if (refresh && displayResource)
332 XFree (displayResource);
333#endif
334
274 /* Get screen specific resources */ 335 /* Get screen specific resources */
275 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 336 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
276 337
277 if (displayResource != NULL) 338 if (displayResource)
278 { 339 {
279 if ((rdb1 = XrmGetStringDatabase (displayResource))) 340 if ((rdb1 = XrmGetStringDatabase (displayResource)))
280 /* Merge with screen-independent resources */ 341 /* Merge with screen-independent resources */
281 XrmMergeDatabases (rdb1, &database); 342 XrmMergeDatabases (rdb1, &database);
282 343
310 if (id[0] == ':') 371 if (id[0] == ':')
311 { 372 {
312 val = rxvt_malloc (5 + strlen (id) + 1); 373 val = rxvt_malloc (5 + strlen (id) + 1);
313 strcpy (val, "unix/"); 374 strcpy (val, "unix/");
314 strcat (val, id); 375 strcat (val, id);
315 display = XOpenDisplay (val); 376 dpy = XOpenDisplay (val);
316 free (val); 377 free (val);
317 } 378 }
318 else 379 else
319#endif 380#endif
320 display = 0; 381 dpy = 0;
321 382
322 if (!display) 383 if (!dpy)
323 display = XOpenDisplay (id); 384 dpy = XOpenDisplay (id);
324 385
325 if (!display) 386 if (!dpy)
326 return false; 387 return false;
327 388
328 screen = DefaultScreen (display); 389 screen = DefaultScreen (dpy);
329 root = DefaultRootWindow (display); 390 root = DefaultRootWindow (dpy);
330 391
331 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 392 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
332 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 393 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
333 394
334 XrmSetDatabase (display, get_resources ()); 395 XrmSetDatabase (dpy, get_resources (false));
335 396
336#ifdef POINTER_BLANK 397#ifdef POINTER_BLANK
337 XColor blackcolour; 398 XColor blackcolour;
338 blackcolour.red = 0; 399 blackcolour.red = 0;
339 blackcolour.green = 0; 400 blackcolour.green = 0;
340 blackcolour.blue = 0; 401 blackcolour.blue = 0;
341 Font f = XLoadFont (display, "fixed"); 402 Font f = XLoadFont (dpy, "fixed");
342 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 403 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
343 &blackcolour, &blackcolour); 404 &blackcolour, &blackcolour);
344 XUnloadFont (display, f); 405 XUnloadFont (dpy, f);
345#endif 406#endif
346 407
347 int fd = XConnectionNumber (display); 408 int fd = XConnectionNumber (dpy);
348 409
349#ifndef NO_SLOW_LINK_SUPPORT 410#ifndef NO_SLOW_LINK_SUPPORT
350 // try to detect wether we have a local connection. 411 // try to detect wether we have a local connection.
351 // assume unix domains socket == local, everything else not 412 // assume unix domains socket == local, everything else not
352 // TODO: might want to check for inet/127.0.0.1 413 // TODO: might want to check for inet/127.0.0.1
359#endif 420#endif
360 421
361 x_ev.start (fd, EVENT_READ); 422 x_ev.start (fd, EVENT_READ);
362 fcntl (fd, F_SETFD, FD_CLOEXEC); 423 fcntl (fd, F_SETFD, FD_CLOEXEC);
363 424
364 XSelectInput (display, root, PropertyChangeMask); 425 XSelectInput (dpy, root, PropertyChangeMask);
365 426
366 flush (); 427 flush ();
367 428
368 return true; 429 return true;
369} 430}
370 431
371void 432void
372rxvt_display::ref_next () 433rxvt_display::ref_next ()
373{ 434{
374 // TODO: somehow check wether the database files/resources changed 435 // TODO: somehow check wether the database files/resources changed
375 // before re-loading/parsing 436 // before affording re-loading/parsing
376 XrmDestroyDatabase (XrmGetDatabase (display)); 437 XrmDestroyDatabase (XrmGetDatabase (dpy));
377 XrmSetDatabase (display, get_resources ()); 438 XrmSetDatabase (dpy, get_resources (true));
378} 439}
379 440
380rxvt_display::~rxvt_display () 441rxvt_display::~rxvt_display ()
381{ 442{
382 if (!display) 443 if (!dpy)
383 return; 444 return;
384 445
385#ifdef POINTER_BLANK 446#ifdef POINTER_BLANK
386 XFreeCursor (display, blank_cursor); 447 XFreeCursor (dpy, blank_cursor);
387#endif 448#endif
388 x_ev.stop (); 449 x_ev.stop ();
389#ifdef USE_XIM 450#ifdef USE_XIM
390 xims.clear (); 451 xims.clear ();
391#endif 452#endif
392 XCloseDisplay (display); 453 XCloseDisplay (dpy);
393} 454}
394 455
395#ifdef USE_XIM 456#ifdef USE_XIM
396void rxvt_display::im_change_cb () 457void rxvt_display::im_change_cb ()
397{ 458{
405 // registers, as xlib crashes due to a race otherwise. 466 // registers, as xlib crashes due to a race otherwise.
406 Atom actual_type, *atoms; 467 Atom actual_type, *atoms;
407 int actual_format; 468 int actual_format;
408 unsigned long nitems, bytes_after; 469 unsigned long nitems, bytes_after;
409 470
410 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 471 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
411 False, XA_ATOM, &actual_type, &actual_format, 472 False, XA_ATOM, &actual_type, &actual_format,
412 &nitems, &bytes_after, (unsigned char **)&atoms) 473 &nitems, &bytes_after, (unsigned char **)&atoms)
413 != Success ) 474 != Success )
414 return; 475 return;
415 476
416 if (actual_type == XA_ATOM && actual_format == 32) 477 if (actual_type == XA_ATOM && actual_format == 32)
417 for (int i = 0; i < nitems; i++) 478 for (int i = 0; i < nitems; i++)
418 if (XGetSelectionOwner (display, atoms[i])) 479 if (XGetSelectionOwner (dpy, atoms[i]))
419 { 480 {
420 im_change_cb (); 481 im_change_cb ();
421 break; 482 break;
422 } 483 }
423 484
428void rxvt_display::x_cb (io_watcher &w, short revents) 489void rxvt_display::x_cb (io_watcher &w, short revents)
429{ 490{
430 do 491 do
431 { 492 {
432 XEvent xev; 493 XEvent xev;
433 XNextEvent (display, &xev); 494 XNextEvent (dpy, &xev);
434 495
435#ifdef USE_XIM 496#ifdef USE_XIM
436 if (!XFilterEvent (&xev, None)) 497 if (!XFilterEvent (&xev, None))
437 { 498 {
438 if (xev.type == PropertyNotify 499 if (xev.type == PropertyNotify
449 } 510 }
450#ifdef USE_XIM 511#ifdef USE_XIM
451 } 512 }
452#endif 513#endif
453 } 514 }
454 while (XEventsQueued (display, QueuedAlready)); 515 while (XEventsQueued (dpy, QueuedAlready));
455 516
456 XFlush (display); 517 XFlush (dpy);
457} 518}
458 519
459void rxvt_display::flush () 520void rxvt_display::flush ()
460{ 521{
461 if (XEventsQueued (display, QueuedAlready)) 522 if (XEventsQueued (dpy, QueuedAlready))
462 x_cb (x_ev, EVENT_READ); 523 x_cb (x_ev, EVENT_READ);
463 524
464 XFlush (display); 525 XFlush (dpy);
465} 526}
466 527
467void rxvt_display::reg (xevent_watcher *w) 528void rxvt_display::reg (xevent_watcher *w)
468{ 529{
469 xw.push_back (w); 530 xw.push_back (w);
483 544
484 selection_owner = owner; 545 selection_owner = owner;
485} 546}
486 547
487#ifdef USE_XIM 548#ifdef USE_XIM
549
488void rxvt_display::reg (im_watcher *w) 550void rxvt_display::reg (im_watcher *w)
489{ 551{
490 imw.push_back (w); 552 imw.push_back (w);
491} 553}
492 554
516 return xim; 578 return xim;
517} 579}
518 580
519void rxvt_display::put_xim (rxvt_xim *xim) 581void rxvt_display::put_xim (rxvt_xim *xim)
520{ 582{
521#if XLIB_IS_RACEFREE 583# if XLIB_IS_RACEFREE
522 xims.put (xim); 584 xims.put (xim);
523#endif 585# endif
524} 586}
587
525#endif 588#endif
526 589
527Atom rxvt_display::atom (const char *name) 590Atom rxvt_display::atom (const char *name)
528{ 591{
529 return XInternAtom (display, name, False); 592 return XInternAtom (dpy, name, False);
530} 593}
531 594
532///////////////////////////////////////////////////////////////////////////// 595/////////////////////////////////////////////////////////////////////////////
533 596
534template class refcache<rxvt_display>; 597template class refcache<rxvt_display>;
535refcache<rxvt_display> displays; 598refcache<rxvt_display> displays;
536 599
537///////////////////////////////////////////////////////////////////////////// 600/////////////////////////////////////////////////////////////////////////////
538 601
539bool 602bool
540rxvt_color::set (rxvt_screen *screen, Pixel p) 603rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
541{ 604{
542#if XFT 605#if XFT
543 XColor xc; 606 XRenderPictFormat *format;
544 607
545 xc.pixel = p; 608 // FUCKING Xft gets it wrong, of course, so work around it.
546 if (!XQueryColor (screen->xdisp, screen->cmap, &xc)) 609 // Transparency users should eat shit and die, and then
547 return false; 610 // XRenderQueryPictIndexValues themselves plenty.
611 if ((screen->visual->c_class == TrueColor)
612 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
613 {
614 // the fun lies in doing everything manually...
615 c.color.red = color.r;
616 c.color.green = color.g;
617 c.color.blue = color.b;
618 c.color.alpha = color.a;
548 619
620 c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red )
621 | ((color.g * format->direct.greenMask / rgba::MAX_CC) << format->direct.green)
622 | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue )
623 | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha);
624
625 return true;
626 }
627 else
628 {
549 XRenderColor d; 629 XRenderColor d;
550 630
551 d.red = xc.red; 631 d.red = color.r;
552 d.green = xc.green; 632 d.green = color.g;
553 d.blue = xc.blue; 633 d.blue = color.b;
554 d.alpha = 0xffff; 634 d.alpha = color.a;
555 635
556 return 636 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
557 XftColorAllocValue (screen->xdisp, 637 }
558 screen->visual,
559 screen->cmap,
560 &d, &c);
561#else 638#else
562 this->p = p; 639 c.red = color.r;
563#endif 640 c.green = color.g;
641 c.blue = color.b;
564 642
643 if (screen->visual->c_class == TrueColor)
644 {
645 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
646 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
647 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
648 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
649 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
650 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
651
652 return true;
653 }
654 else if (XAllocColor (screen->dpy, screen->cmap, &c))
565 return true; 655 return true;
656 else
657 c.pixel = (color.r + color.g + color.b) > 128*3
658 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
659 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
660#endif
661
662 return false;
566} 663}
567 664
568bool 665bool
569rxvt_color::set (rxvt_screen *screen, const char *name) 666rxvt_color::set (rxvt_screen *screen, const char *name)
570{ 667{
668 rgba c;
669 char eos;
670 int skip;
671
672 // parse the nonstandard "[alphapercent]" prefix
673 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
674 {
675 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
676 name += skip;
677 }
678 else
679 c.a = rgba::MAX_CC;
680
681 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
682 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
683 {
684 XColor xc, xc_exact;
685
686 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
687 {
688 c.r = xc.red;
689 c.g = xc.green;
690 c.b = xc.blue;
691 }
692 else
693 {
694 c.r = 0xffff;
695 c.g = 0x6969;
696 c.b = 0xb4b4;
697
698 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
699 }
700 }
701
702 return set (screen, c);
703}
704
705bool
706rxvt_color::set (rxvt_screen *screen, const rgba &color)
707{
708 bool got = alloc (screen, color);
709
710#if !ENABLE_MINIMAL
711 int cmap_size = screen->visual->map_entries;
712
713 if (!got
714 && screen->visual->c_class == PseudoColor
715 && cmap_size < 4096)
716 {
717 XColor *colors = new XColor [screen->visual->map_entries];
718
719 for (int i = 0; i < cmap_size; i++)
720 colors [i].pixel = i;
721
722 // many kilobytes transfer per colour, but pseudocolor isn't worth
723 // many extra optimisations.
724 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
725
726 int diff = 0x7fffffffUL;
727 XColor *best = colors;
728
729 for (int i = 0; i < cmap_size; i++)
730 {
731 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
732 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
733 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
734
735 if (d < diff)
736 {
737 diff = d;
738 best = colors + i;
739 }
740 }
741
742 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
743 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
744
745 got = alloc (screen, rgba (best->red, best->green, best->blue));
746
747 delete colors;
748 }
749#endif
750
751 return got;
752}
753
754void
755rxvt_color::get (rgba &color)
756{
571#if XFT 757#if XFT
572 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c); 758 color.r = c.color.red;
759 color.g = c.color.green;
760 color.b = c.color.blue;
761 color.a = c.color.alpha;
573#else 762#else
574 XColor xc; 763 color.r = c.red;
575 764 color.g = c.green;
576 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 765 color.b = c.blue;
577 return set (screen, xc.red, xc.green, xc.blue); 766 color.a = rgba::MAX_CC;
578
579 return false;
580#endif 767#endif
581} 768}
582 769
583bool
584rxvt_color::set (rxvt_screen *screen, unsigned short cr, unsigned short cg, unsigned short cb)
585{
586 XColor xc;
587
588 xc.red = cr;
589 xc.green = cg;
590 xc.blue = cb;
591 xc.flags = DoRed | DoGreen | DoBlue;
592
593 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
594 return set (screen, xc.pixel);
595
596 return false;
597}
598
599void 770void
600rxvt_color::get (rxvt_screen *screen, unsigned short &cr, unsigned short &cg, unsigned short &cb) 771rxvt_color::get (XColor &color)
601{ 772{
602#if XFT 773 rgba c;
603 cr = c.color.red; 774 get (c);
604 cg = c.color.green;
605 cb = c.color.blue;
606#else
607 XColor c;
608 775
609 c.pixel = p; 776 color.red = c.r;
610 XQueryColor (screen->xdisp, screen->cmap, &c); 777 color.green = c.g;
611 778 color.blue = c.b;
612 cr = c.red; 779 color.pixel = (Pixel)*this;
613 cg = c.green;
614 cb = c.blue;
615#endif
616} 780}
617 781
618void 782void
619rxvt_color::free (rxvt_screen *screen) 783rxvt_color::free (rxvt_screen *screen)
620{ 784{
621#if XFT 785#if XFT
622 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 786 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
623#else 787#else
624 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 788 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
625#endif 789#endif
626} 790}
627 791
628rxvt_color 792void
629rxvt_color::fade (rxvt_screen *screen, int percent) 793rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
630{ 794{
631 percent = 100 - percent; 795 rgba c;
796 get (c);
632 797
633 unsigned short cr, cg, cb; 798 result.set (
634 rxvt_color faded;
635
636 get (screen, cr, cg, cb);
637
638 faded.set (
639 screen, 799 screen,
640 cr * percent / 100, 800 rgba (
641 cg * percent / 100, 801 lerp (c.r, to.r, percent),
642 cb * percent / 100 802 lerp (c.g, to.g, percent),
803 lerp (c.b, to.b, percent),
804 lerp (c.a, to.a, percent)
805 )
643 ); 806 );
644
645 return faded;
646} 807}
647 808
648#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
649
650rxvt_color
651rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
652{
653 percent = 100 - percent;
654
655 unsigned short cr, cg, cb;
656 unsigned short fcr, fcg, fcb;
657 rxvt_color faded;
658
659 get (screen, cr, cg, cb);
660 fadeto.get (screen, fcr, fcg, fcb);
661
662 faded.set (
663 screen,
664 LERP (cr, fcr, percent),
665 LERP (cg, fcg, percent),
666 LERP (cb, fcb, percent)
667 );
668
669 return faded;
670}
671

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