ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/rxvttoolkit.C
(Generate patch)

Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.39 by root, Tue Jan 31 00:25:16 2006 UTC vs.
Revision 1.65 by sasha, Fri Jun 8 20:04:12 2007 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvttoolkit.C 2 * File: rxvttoolkit.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
26 26
27#include <unistd.h> 27#include <unistd.h>
28#include <fcntl.h> 28#include <fcntl.h>
29 29
30#include <sys/utsname.h> 30#include <sys/utsname.h>
31
32#ifndef NO_SLOW_LINK_SUPPORT
33# include <sys/socket.h> 31#include <sys/socket.h>
34# include <sys/un.h> 32#include <sys/un.h>
35#endif
36 33
37#if XFT 34#if XFT
38# include <X11/extensions/Xrender.h> 35# include <X11/extensions/Xrender.h>
39#endif 36#endif
40 37
… …
177bool 174bool
178rxvt_xim::ref_init () 175rxvt_xim::ref_init ()
179{ 176{
180 display = GET_R->display; //HACK: TODO 177 display = GET_R->display; //HACK: TODO
181 178
182 xim = XOpenIM (display->display, NULL, NULL, NULL); 179 xim = XOpenIM (display->dpy, 0, 0, 0);
183 180
184 if (!xim) 181 if (!xim)
185 return false; 182 return false;
186 183
187 XIMCallback ximcallback; 184 XIMCallback ximcallback;
188 ximcallback.client_data = (XPointer)this; 185 ximcallback.client_data = (XPointer)this;
189 ximcallback.callback = im_destroy_cb; 186 ximcallback.callback = im_destroy_cb;
190 187
191 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0);
192 189
193 return true; 190 return true;
194} 191}
195 192
196rxvt_xim::~rxvt_xim () 193rxvt_xim::~rxvt_xim ()
… …
201 198
202#endif 199#endif
203 200
204///////////////////////////////////////////////////////////////////////////// 201/////////////////////////////////////////////////////////////////////////////
205 202
203#if XFT
204rxvt_drawable::~rxvt_drawable ()
205{
206 if (xftdrawable)
207 XftDrawDestroy (xftdrawable);
208}
209
210rxvt_drawable::operator XftDraw *()
211{
212 if (!xftdrawable)
213 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
214
215 return xftdrawable;
216}
217#endif
218
219/////////////////////////////////////////////////////////////////////////////
220
221#if XFT
222
223// not strictly necessary as it is only used with superclass of zero_initialised
224rxvt_screen::rxvt_screen ()
225: scratch_area (0)
226{
227}
228
229rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
230{
231 // it's actually faster to re-allocate every time. don't ask me
232 // why, but its likely no big deal there are no roundtrips
233 // (I think/hope).
234 if (!scratch_area || w > scratch_w || h > scratch_h || 1/*D*/)
235 {
236 if (scratch_area)
237 {
238 XFreePixmap (dpy, scratch_area->drawable);
239 delete scratch_area;
240 }
241
242 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
243 scratch_w = w, scratch_h = h, depth);
244
245 scratch_area = new rxvt_drawable (this, pm);
246 }
247
248 return *scratch_area;
249}
250
251#endif
252
206void 253void
207rxvt_screen::set (rxvt_display *disp) 254rxvt_screen::set (rxvt_display *disp)
208{ 255{
209 display = disp; 256 display = disp;
210 xdisp = disp->display; 257 dpy = disp->dpy;
211 258
212 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 259 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
213 260
214 depth = DefaultDepthOfScreen (screen); 261 depth = DefaultDepthOfScreen (screen);
215 visual = DefaultVisualOfScreen (screen); 262 visual = DefaultVisualOfScreen (screen);
216 cmap = DefaultColormapOfScreen (screen); 263 cmap = DefaultColormapOfScreen (screen);
217} 264}
218 265
219void 266void
220rxvt_screen::set (rxvt_display *disp, int bitdepth) 267rxvt_screen::select_visual (int bitdepth)
221{ 268{
222 set (disp);
223
224#if XFT 269#if XFT
225 XVisualInfo vinfo; 270 XVisualInfo vinfo;
226 271
227 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
228 { 273 {
229 depth = bitdepth; 274 depth = bitdepth;
230 visual = vinfo.visual; 275 visual = vinfo.visual;
231 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
232 } 277 }
233#endif 278#endif
234} 279}
235 280
236void 281void
237rxvt_screen::clear () 282rxvt_screen::clear ()
238{ 283{
284#if XFT
285 if (scratch_area)
286 {
287 XFreePixmap (dpy, scratch_area->drawable);
288 delete scratch_area;
289 }
290#endif
291
239 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 292 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
240 XFreeColormap (xdisp, cmap); 293 XFreeColormap (dpy, cmap);
241} 294}
242 295
243///////////////////////////////////////////////////////////////////////////// 296/////////////////////////////////////////////////////////////////////////////
244 297
245rxvt_display::rxvt_display (const char *id) 298rxvt_display::rxvt_display (const char *id)
… …
248, selection_owner (0) 301, selection_owner (0)
249{ 302{
250} 303}
251 304
252XrmDatabase 305XrmDatabase
253rxvt_display::get_resources () 306rxvt_display::get_resources (bool refresh)
254{ 307{
255 char *homedir = (char *)getenv ("HOME"); 308 char *homedir = (char *)getenv ("HOME");
256 char fname[1024]; 309 char fname[1024];
257 310
258 /* 311 /*
259 * get resources using the X library function 312 * get resources using the X library function
260 */ 313 */
261 char *displayResource, *xe; 314 char *displayResource, *xe;
262 XrmDatabase database, rdb1; 315 XrmDatabase rdb1, database = 0;
263
264 database = NULL;
265 316
266 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 317 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
318 // as opposed to "standard practise", we always read in ~/.Xdefaults
267 319
268 // 6. System wide per application default file. 320 // 6. System wide per application default file.
269 321
270 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
271 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 323 if ((xe = (char *)getenv ("XAPPLRESDIR")))
… …
278 330
279 // 5. User's per application default file. 331 // 5. User's per application default file.
280 // none 332 // none
281 333
282 // 4. User's defaults file. 334 // 4. User's defaults file.
335 if (homedir)
336 {
337 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
338
339 if ((rdb1 = XrmGetFileDatabase (fname)))
340 XrmMergeDatabases (rdb1, &database);
341 }
342
283 /* Get any Xserver defaults */ 343 /* Get any Xserver defaults */
344 if (refresh)
345 {
346 // fucking xlib keeps a copy of the rm string
347 Atom actual_type;
348 int actual_format;
349 unsigned long nitems, nremaining;
350 char *val = 0;
351
352#if XLIB_ILLEGAL_ACCESS
353 if (dpy->xdefaults)
354 XFree (dpy->xdefaults);
355#endif
356
357 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
358 0L, 100000000L, False,
359 XA_STRING, &actual_type, &actual_format,
360 &nitems, &nremaining,
361 (unsigned char **)&val) == Success
362 && actual_type == XA_STRING
363 && actual_format == 8)
364 displayResource = val;
365 else
366 {
367 displayResource = 0;
368
369 if (val)
370 XFree(val);
371 }
372
373#if XLIB_ILLEGAL_ACCESS
374 dpy->xdefaults = displayResource;
375#endif
376 }
377 else
284 displayResource = XResourceManagerString (display); 378 displayResource = XResourceManagerString (dpy);
285 379
286 if (displayResource != NULL) 380 if (displayResource)
287 { 381 {
288 if ((rdb1 = XrmGetStringDatabase (displayResource))) 382 if ((rdb1 = XrmGetStringDatabase (displayResource)))
289 XrmMergeDatabases (rdb1, &database); 383 XrmMergeDatabases (rdb1, &database);
290 } 384 }
291 else if (homedir)
292 {
293 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
294 385
295 if ((rdb1 = XrmGetFileDatabase (fname))) 386#if !XLIB_ILLEGAL_ACCESS
296 XrmMergeDatabases (rdb1, &database); 387 if (refresh && displayResource)
297 } 388 XFree (displayResource);
389#endif
298 390
299 /* Get screen specific resources */ 391 /* Get screen specific resources */
300 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 392 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
301 393
302 if (displayResource != NULL) 394 if (displayResource)
303 { 395 {
304 if ((rdb1 = XrmGetStringDatabase (displayResource))) 396 if ((rdb1 = XrmGetStringDatabase (displayResource)))
305 /* Merge with screen-independent resources */ 397 /* Merge with screen-independent resources */
306 XrmMergeDatabases (rdb1, &database); 398 XrmMergeDatabases (rdb1, &database);
307 399
… …
335 if (id[0] == ':') 427 if (id[0] == ':')
336 { 428 {
337 val = rxvt_malloc (5 + strlen (id) + 1); 429 val = rxvt_malloc (5 + strlen (id) + 1);
338 strcpy (val, "unix/"); 430 strcpy (val, "unix/");
339 strcat (val, id); 431 strcat (val, id);
340 display = XOpenDisplay (val); 432 dpy = XOpenDisplay (val);
341 free (val); 433 free (val);
342 } 434 }
343 else 435 else
344#endif 436#endif
345 display = 0; 437 dpy = 0;
346 438
347 if (!display) 439 if (!dpy)
348 display = XOpenDisplay (id); 440 dpy = XOpenDisplay (id);
349 441
350 if (!display) 442 if (!dpy)
351 return false; 443 return false;
352 444
353 screen = DefaultScreen (display); 445 screen = DefaultScreen (dpy);
354 root = DefaultRootWindow (display); 446 root = DefaultRootWindow (dpy);
447
448#ifdef HAVE_AFTERIMAGE
449 ::dpy = dpy; /* init global var from libAfter... */
450 asv = create_asvisual_for_id( dpy, screen, DefaultDepth(dpy,screen), XVisualIDFromVisual(DefaultVisual(dpy,screen)), None, NULL );
451#endif
355 452
356 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 453 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
357 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 454 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
358 455
359 XrmSetDatabase (display, get_resources ()); 456 XrmSetDatabase (dpy, get_resources (false));
360 457
361#ifdef POINTER_BLANK 458#ifdef POINTER_BLANK
362 XColor blackcolour; 459 XColor blackcolour;
363 blackcolour.red = 0; 460 blackcolour.red = 0;
364 blackcolour.green = 0; 461 blackcolour.green = 0;
365 blackcolour.blue = 0; 462 blackcolour.blue = 0;
366 Font f = XLoadFont (display, "fixed"); 463 Font f = XLoadFont (dpy, "fixed");
367 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 464 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
368 &blackcolour, &blackcolour); 465 &blackcolour, &blackcolour);
369 XUnloadFont (display, f); 466 XUnloadFont (dpy, f);
370#endif 467#endif
371 468
372 int fd = XConnectionNumber (display); 469 int fd = XConnectionNumber (dpy);
373 470
374#ifndef NO_SLOW_LINK_SUPPORT
375 // try to detect wether we have a local connection. 471 // try to detect wether we have a local connection.
376 // assume unix domains socket == local, everything else not 472 // assume unix domains socket == local, everything else not
377 // TODO: might want to check for inet/127.0.0.1 473 // TODO: might want to check for inet/127.0.0.1
378 is_local = 0; 474 is_local = 0;
379 sockaddr_un sa; 475 sockaddr_un sa;
380 socklen_t sl = sizeof (sa); 476 socklen_t sl = sizeof (sa);
381 477
382 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 478 if (!getsockname (fd, (sockaddr *)&sa, &sl))
383 is_local = sa.sun_family == AF_LOCAL; 479 is_local = sa.sun_family == AF_LOCAL;
384#endif
385 480
386 x_ev.start (fd, EVENT_READ); 481 x_ev.start (fd, EVENT_READ);
387 fcntl (fd, F_SETFD, FD_CLOEXEC); 482 fcntl (fd, F_SETFD, FD_CLOEXEC);
388 483
389 XSelectInput (display, root, PropertyChangeMask); 484 XSelectInput (dpy, root, PropertyChangeMask);
390 485
391 flush (); 486 flush ();
392 487
393 return true; 488 return true;
394} 489}
395 490
396void 491void
397rxvt_display::ref_next () 492rxvt_display::ref_next ()
398{ 493{
399 // TODO: somehow check wether the database files/resources changed 494 // TODO: somehow check wether the database files/resources changed
400 // before re-loading/parsing 495 // before affording re-loading/parsing
401 XrmDestroyDatabase (XrmGetDatabase (display)); 496 XrmDestroyDatabase (XrmGetDatabase (dpy));
402 XrmSetDatabase (display, get_resources ()); 497 XrmSetDatabase (dpy, get_resources (true));
403} 498}
404 499
405rxvt_display::~rxvt_display () 500rxvt_display::~rxvt_display ()
406{ 501{
407 if (!display) 502 if (!dpy)
408 return; 503 return;
409 504
410#ifdef POINTER_BLANK 505#ifdef POINTER_BLANK
411 XFreeCursor (display, blank_cursor); 506 XFreeCursor (dpy, blank_cursor);
412#endif 507#endif
413 x_ev.stop (); 508 x_ev.stop ();
414#ifdef USE_XIM 509#ifdef USE_XIM
415 xims.clear (); 510 xims.clear ();
416#endif 511#endif
417 XCloseDisplay (display); 512 XCloseDisplay (dpy);
418} 513}
419 514
420#ifdef USE_XIM 515#ifdef USE_XIM
421void rxvt_display::im_change_cb () 516void rxvt_display::im_change_cb ()
422{ 517{
… …
430 // registers, as xlib crashes due to a race otherwise. 525 // registers, as xlib crashes due to a race otherwise.
431 Atom actual_type, *atoms; 526 Atom actual_type, *atoms;
432 int actual_format; 527 int actual_format;
433 unsigned long nitems, bytes_after; 528 unsigned long nitems, bytes_after;
434 529
435 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 530 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
436 False, XA_ATOM, &actual_type, &actual_format, 531 False, XA_ATOM, &actual_type, &actual_format,
437 &nitems, &bytes_after, (unsigned char **)&atoms) 532 &nitems, &bytes_after, (unsigned char **)&atoms)
438 != Success ) 533 != Success )
439 return; 534 return;
440 535
441 if (actual_type == XA_ATOM && actual_format == 32) 536 if (actual_type == XA_ATOM && actual_format == 32)
442 for (int i = 0; i < nitems; i++) 537 for (int i = 0; i < nitems; i++)
443 if (XGetSelectionOwner (display, atoms[i])) 538 if (XGetSelectionOwner (dpy, atoms[i]))
444 { 539 {
445 im_change_cb (); 540 im_change_cb ();
446 break; 541 break;
447 } 542 }
448 543
… …
453void rxvt_display::x_cb (io_watcher &w, short revents) 548void rxvt_display::x_cb (io_watcher &w, short revents)
454{ 549{
455 do 550 do
456 { 551 {
457 XEvent xev; 552 XEvent xev;
458 XNextEvent (display, &xev); 553 XNextEvent (dpy, &xev);
459 554
460#ifdef USE_XIM 555#ifdef USE_XIM
461 if (!XFilterEvent (&xev, None)) 556 if (!XFilterEvent (&xev, None))
462 { 557 {
463 if (xev.type == PropertyNotify 558 if (xev.type == PropertyNotify
… …
474 } 569 }
475#ifdef USE_XIM 570#ifdef USE_XIM
476 } 571 }
477#endif 572#endif
478 } 573 }
479 while (XEventsQueued (display, QueuedAlready)); 574 while (XEventsQueued (dpy, QueuedAlready));
480 575
481 XFlush (display); 576 XFlush (dpy);
482} 577}
483 578
484void rxvt_display::flush () 579void rxvt_display::flush ()
485{ 580{
486 if (XEventsQueued (display, QueuedAlready)) 581 if (XEventsQueued (dpy, QueuedAlready))
487 x_cb (x_ev, EVENT_READ); 582 x_cb (x_ev, EVENT_READ);
488 583
489 XFlush (display); 584 XFlush (dpy);
490} 585}
491 586
492void rxvt_display::reg (xevent_watcher *w) 587void rxvt_display::reg (xevent_watcher *w)
493{ 588{
589 if (!w->active)
590 {
494 xw.push_back (w); 591 xw.push_back (w);
495 w->active = xw.size (); 592 w->active = xw.size ();
593 }
496} 594}
497 595
498void rxvt_display::unreg (xevent_watcher *w) 596void rxvt_display::unreg (xevent_watcher *w)
499{ 597{
500 if (w->active) 598 if (w->active)
599 {
501 xw[w->active - 1] = 0; 600 xw[w->active - 1] = 0;
601 w->active = 0;
602 }
502} 603}
503 604
504void rxvt_display::set_selection_owner (rxvt_term *owner) 605void rxvt_display::set_selection_owner (rxvt_term *owner)
505{ 606{
506 if (selection_owner && selection_owner != owner) 607 if (selection_owner && selection_owner != owner)
… …
508 609
509 selection_owner = owner; 610 selection_owner = owner;
510} 611}
511 612
512#ifdef USE_XIM 613#ifdef USE_XIM
614
513void rxvt_display::reg (im_watcher *w) 615void rxvt_display::reg (im_watcher *w)
514{ 616{
515 imw.push_back (w); 617 imw.push_back (w);
516} 618}
517 619
… …
541 return xim; 643 return xim;
542} 644}
543 645
544void rxvt_display::put_xim (rxvt_xim *xim) 646void rxvt_display::put_xim (rxvt_xim *xim)
545{ 647{
546#if XLIB_IS_RACEFREE 648# if XLIB_IS_RACEFREE
547 xims.put (xim); 649 xims.put (xim);
548#endif 650# endif
549} 651}
652
550#endif 653#endif
551 654
552Atom rxvt_display::atom (const char *name) 655Atom rxvt_display::atom (const char *name)
553{ 656{
554 return XInternAtom (display, name, False); 657 return XInternAtom (dpy, name, False);
555} 658}
556 659
557///////////////////////////////////////////////////////////////////////////// 660/////////////////////////////////////////////////////////////////////////////
558 661
559template class refcache<rxvt_display>; 662template class refcache<rxvt_display>;
560refcache<rxvt_display> displays; 663refcache<rxvt_display> displays;
561 664
562///////////////////////////////////////////////////////////////////////////// 665/////////////////////////////////////////////////////////////////////////////
666//
667
668static unsigned int
669insert_component (unsigned int value, unsigned int mask, unsigned int shift)
670{
671 return (value * (mask + 1) >> 16) << shift;
672}
563 673
564bool 674bool
565rxvt_color::alloc (rxvt_screen *screen, rxvt_rgba rgba) 675rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
566{ 676{
567#if XFT 677#if XFT
568 XRenderPictFormat *format; 678 XRenderPictFormat *format;
569 679
570 // FUCKING Xft gets it wrong, of course, so work around it 680 // FUCKING Xft gets it wrong, of course, so work around it.
571 // transparency users should eat shit and die, and then 681 // Transparency users should eat shit and die, and then
572 // XRenderQueryPictIndexValues themselves plenty. 682 // XRenderQueryPictIndexValues themselves plenty.
573 if ((screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor) 683 if ((screen->visual->c_class == TrueColor)
574 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual))) 684 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
575 { 685 {
576 // the fun lies in doing everything manually... 686 // the fun lies in doing everything manually...
577 c.color.red = rgba.r; 687 c.color.red = color.r;
578 c.color.green = rgba.g; 688 c.color.green = color.g;
579 c.color.blue = rgba.b; 689 c.color.blue = color.b;
580 c.color.alpha = rgba.a; 690 c.color.alpha = color.a;
581 691
582 c.pixel = ((rgba.r * format->direct.redMask / rxvt_rgba::MAX_CC) << format->direct.red ) 692 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
583 | ((rgba.g * format->direct.greenMask / rxvt_rgba::MAX_CC) << format->direct.green) 693 | insert_component (color.g, format->direct.greenMask, format->direct.green)
584 | ((rgba.b * format->direct.blueMask / rxvt_rgba::MAX_CC) << format->direct.blue ) 694 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
585 | ((rgba.a * format->direct.alphaMask / rxvt_rgba::MAX_CC) << format->direct.alpha); 695 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
586 696
587 return true; 697 return true;
588 } 698 }
589 else 699 else
590 { 700 {
591 XRenderColor d; 701 XRenderColor d;
592 702
593 d.red = rgba.r; 703 d.red = color.r;
594 d.green = rgba.g; 704 d.green = color.g;
595 d.blue = rgba.b; 705 d.blue = color.b;
596 d.alpha = rgba.a; 706 d.alpha = color.a;
597 707
598 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); 708 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
599 } 709 }
600#else 710#else
601 if (screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor) 711 c.red = color.r;
712 c.green = color.g;
713 c.blue = color.b;
714
715 if (screen->visual->c_class == TrueColor)
602 { 716 {
603 p = (rgba.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask )) 717 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
604 / rxvt_rgba::MAX_CC) << ctz (screen->visual->red_mask ) 718 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_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 )) 719 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
608 / rxvt_rgba::MAX_CC) << ctz (screen->visual->blue_mask );
609 720
610 return true; 721 return true;
611 } 722 }
723 else if (XAllocColor (screen->dpy, screen->cmap, &c))
724 return true;
612 else 725 else
613 { 726 c.pixel = (color.r + color.g + color.b) > 128*3
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;
623 return true;
624 }
625 else
626 p = (rgba.r + rgba.g + rgba.b) > 128*3
627 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->xdisp)) 727 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
628 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->xdisp)); 728 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
629 }
630#endif 729#endif
631 730
632 return false; 731 return false;
633} 732}
634 733
635bool 734bool
636rxvt_color::set (rxvt_screen *screen, const char *name) 735rxvt_color::set (rxvt_screen *screen, const char *name)
637{ 736{
638 rxvt_rgba c; 737 rgba c;
639 char eos; 738 char eos;
640 int skip; 739 int skip;
641 740
741 // parse the nonstandard "[alphapercent]" prefix
642 if (1 <= sscanf (name, "[%hx]%n", &c.a, &skip)) 742 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
643 { 743 {
644 switch (skip) 744 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
645 {
646 case 2 + 1: c.a *= rxvt_rgba::MAX_CC / 0x000f; break;
647 case 2 + 2: c.a *= rxvt_rgba::MAX_CC / 0x00ff; break;
648 case 2 + 3: c.a *= rxvt_rgba::MAX_CC / 0x0fff; break;
649 case 2 + 4: c.a *= rxvt_rgba::MAX_CC / 0xffff; break;
650 }
651
652 name += skip; 745 name += skip;
653 } 746 }
654 else 747 else
655 c.a = rxvt_rgba::MAX_CC; 748 c.a = rgba::MAX_CC;
656 749
657 // parse the non-standard rgba format 750 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
658 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &c.r, &c.g, &c.b, &c.a, &eos)) 751 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
659 { 752 {
660 XColor xc, xc_exact; 753 XColor xc, xc_exact;
661 754
662 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 755 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
663 { 756 {
664 c.r = xc.red; 757 c.r = xc.red;
665 c.g = xc.green; 758 c.g = xc.green;
666 c.b = xc.blue; 759 c.b = xc.blue;
667 } 760 }
… …
677 770
678 return set (screen, c); 771 return set (screen, c);
679} 772}
680 773
681bool 774bool
682rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 775rxvt_color::set (rxvt_screen *screen, const rgba &color)
683{ 776{
684 bool got = alloc (screen, rgba); 777 bool got = alloc (screen, color);
685 778
686#if !ENABLE_MINIMAL 779#if !ENABLE_MINIMAL
687 int cmap_size = screen->visual->map_entries; 780 int cmap_size = screen->visual->map_entries;
688 781
689 if (!got 782 if (!got
… …
693 XColor *colors = new XColor [screen->visual->map_entries]; 786 XColor *colors = new XColor [screen->visual->map_entries];
694 787
695 for (int i = 0; i < cmap_size; i++) 788 for (int i = 0; i < cmap_size; i++)
696 colors [i].pixel = i; 789 colors [i].pixel = i;
697 790
791 // many kilobytes transfer per colour, but pseudocolor isn't worth
792 // many extra optimisations.
698 XQueryColors (screen->xdisp, screen->cmap, colors, cmap_size); 793 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
699 794
700 int diff = 0x7fffffffUL; 795 int diff = 0x7fffffffUL;
701 XColor *best = colors; 796 XColor *best = colors;
702 797
703 for (int i = 0; i < cmap_size; i++) 798 for (int i = 0; i < cmap_size; i++)
704 { 799 {
705 int d = (squared_diff<int> (rgba.r >> 2, colors [i].red >> 2)) 800 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
706 + (squared_diff<int> (rgba.g >> 2, colors [i].green >> 2)) 801 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
707 + (squared_diff<int> (rgba.b >> 2, colors [i].blue >> 2)); 802 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
708 803
709 if (d < diff) 804 if (d < diff)
710 { 805 {
711 diff = d; 806 diff = d;
712 best = colors + i; 807 best = colors + i;
713 } 808 }
714 } 809 }
715 810
716 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 811 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
717 // rgba.r, rgba.g, rgba.b, best->red, best->green, best->blue, diff); 812 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
718 813
719 got = alloc (screen, rxvt_rgba (best->red, best->green, best->blue)); 814 got = alloc (screen, rgba (best->red, best->green, best->blue));
720 815
721 delete colors; 816 delete [] colors;
722 } 817 }
723#endif 818#endif
724 819
725 return got; 820 return got;
726} 821}
727 822
728void 823void
729rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba) 824rxvt_color::get (rgba &color)
730{ 825{
731#if XFT 826#if XFT
732 rgba.r = c.color.red; 827 color.r = c.color.red;
733 rgba.g = c.color.green; 828 color.g = c.color.green;
734 rgba.b = c.color.blue; 829 color.b = c.color.blue;
735 rgba.a = c.color.alpha; 830 color.a = c.color.alpha;
736#else 831#else
737 XColor c;
738
739 c.pixel = p;
740 XQueryColor (screen->xdisp, screen->cmap, &c);
741
742 rgba.r = c.red; 832 color.r = c.red;
743 rgba.g = c.green; 833 color.g = c.green;
744 rgba.b = c.blue; 834 color.b = c.blue;
745 rgba.a = rxvt_rgba::MAX_CC; 835 color.a = rgba::MAX_CC;
746#endif 836#endif
837}
838
839void
840rxvt_color::get (XColor &color)
841{
842 rgba c;
843 get (c);
844
845 color.red = c.r;
846 color.green = c.g;
847 color.blue = c.b;
848 color.pixel = (Pixel)*this;
747} 849}
748 850
749void 851void
750rxvt_color::free (rxvt_screen *screen) 852rxvt_color::free (rxvt_screen *screen)
751{ 853{
854 if (screen->visual->c_class == TrueColor)
855 return; // nothing to do
856
752#if XFT 857#if XFT
753 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 858 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
754#else 859#else
755 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 860 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
756#endif 861#endif
757} 862}
758 863
759rxvt_color 864void
760rxvt_color::fade (rxvt_screen *screen, int percent)
761{
762 rxvt_color faded;
763
764 rxvt_rgba c;
765 get (screen, c);
766
767 c.r = lerp (0, c.r, percent);
768 c.g = lerp (0, c.g, percent);
769 c.b = lerp (0, c.b, percent);
770
771 faded.set (screen, c);
772
773 return faded;
774}
775
776rxvt_color
777rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 865rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
778{ 866{
779 rxvt_rgba c, fc; 867 rgba c;
780 rxvt_color faded; 868 get (c);
781
782 get (screen, c);
783 fadeto.get (screen, fc);
784 869
785 faded.set ( 870 result.set (
786 screen, 871 screen,
787 rxvt_rgba ( 872 rgba (
788 lerp (fc.r, c.r, percent), 873 lerp (c.r, to.r, percent),
789 lerp (fc.g, c.g, percent), 874 lerp (c.g, to.g, percent),
790 lerp (fc.b, c.b, percent), 875 lerp (c.b, to.b, percent),
791 lerp (fc.a, c.a, percent) 876 lerp (c.a, to.a, percent)
792 ) 877 )
793 ); 878 );
794
795 return faded;
796} 879}
797 880

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines