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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.31 by root, Sun Jan 29 22:27:04 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
41const char *const xa_names[] = 38const char *const xa_names[] =
42 { 39{
43 "TEXT", 40 "TEXT",
44 "COMPOUND_TEXT", 41 "COMPOUND_TEXT",
45 "UTF8_STRING", 42 "UTF8_STRING",
46 "MULTIPLE", 43 "MULTIPLE",
47 "TARGETS", 44 "TARGETS",
48 "TIMESTAMP", 45 "TIMESTAMP",
49 "VT_SELECTION", 46 "VT_SELECTION",
50 "INCR", 47 "INCR",
51 "WM_PROTOCOLS", 48 "WM_PROTOCOLS",
52 "WM_DELETE_WINDOW", 49 "WM_DELETE_WINDOW",
53 "CLIPBOARD", 50 "CLIPBOARD",
51 "AVERAGE_WIDTH",
52 "WEIGHT_NAME",
53 "SLANT",
54 "CHARSET_REGISTRY",
55 "CHARSET_ENCODING",
54#if ENABLE_FRILLS 56#if ENABLE_FRILLS
55 "_MOTIF_WM_HINTS", 57 "_MOTIF_WM_HINTS",
56#endif 58#endif
57#if ENABLE_EWMH 59#if ENABLE_EWMH
58 "_NET_WM_PID", 60 "_NET_WM_PID",
59 "_NET_WM_NAME", 61 "_NET_WM_NAME",
60 "_NET_WM_ICON_NAME", 62 "_NET_WM_ICON_NAME",
61 "_NET_WM_PING", 63 "_NET_WM_PING",
62#endif 64#endif
63#if USE_XIM 65#if USE_XIM
64 "WM_LOCALE_NAME", 66 "WM_LOCALE_NAME",
65 "XIM_SERVERS", 67 "XIM_SERVERS",
66#endif 68#endif
67#ifdef TRANSPARENT 69#ifdef TRANSPARENT
68 "_XROOTPMAP_ID", 70 "_XROOTPMAP_ID",
69 "ESETROOT_PMAP_ID", 71 "ESETROOT_PMAP_ID",
70#endif 72#endif
71#if ENABLE_XEMBED 73#if ENABLE_XEMBED
72 "_XEMBED", 74 "_XEMBED",
73 "_XEMBED_INFO", 75 "_XEMBED_INFO",
76#endif
77#if !ENABLE_MINIMAL
78 "SCREEN_RESOURCES",
79 "XDCCC_LINEAR_RGB_CORRECTION",
80 "XDCCC_LINEAR_RGB_MATRICES",
81 "WM_COLORMAP_WINDOWS",
82 "WM_STATE",
83 "cursor",
84# if USE_XIM
85 "TRANSPORT",
86 "LOCALES",
87 "_XIM_PROTOCOL",
88 "_XIM_XCONNECT",
89 "_XIM_MOREDATA",
74#endif 90# endif
75 }; 91#endif
92};
76 93
77///////////////////////////////////////////////////////////////////////////// 94/////////////////////////////////////////////////////////////////////////////
78 95
79refcounted::refcounted (const char *id) 96refcounted::refcounted (const char *id)
80{ 97{
… …
157bool 174bool
158rxvt_xim::ref_init () 175rxvt_xim::ref_init ()
159{ 176{
160 display = GET_R->display; //HACK: TODO 177 display = GET_R->display; //HACK: TODO
161 178
162 xim = XOpenIM (display->display, NULL, NULL, NULL); 179 xim = XOpenIM (display->dpy, 0, 0, 0);
163 180
164 if (!xim) 181 if (!xim)
165 return false; 182 return false;
166 183
167 XIMCallback ximcallback; 184 XIMCallback ximcallback;
168 ximcallback.client_data = (XPointer)this; 185 ximcallback.client_data = (XPointer)this;
169 ximcallback.callback = im_destroy_cb; 186 ximcallback.callback = im_destroy_cb;
170 187
171 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0);
172 189
173 return true; 190 return true;
174} 191}
175 192
176rxvt_xim::~rxvt_xim () 193rxvt_xim::~rxvt_xim ()
… …
181 198
182#endif 199#endif
183 200
184///////////////////////////////////////////////////////////////////////////// 201/////////////////////////////////////////////////////////////////////////////
185 202
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
186void 253void
187rxvt_screen::set (rxvt_display *disp) 254rxvt_screen::set (rxvt_display *disp)
188{ 255{
189 display = disp; 256 display = disp;
190 xdisp = disp->display; 257 dpy = disp->dpy;
191 258
192 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 259 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
193 260
194 depth = DefaultDepthOfScreen (screen); 261 depth = DefaultDepthOfScreen (screen);
195 visual = DefaultVisualOfScreen (screen); 262 visual = DefaultVisualOfScreen (screen);
196 cmap = DefaultColormapOfScreen (screen); 263 cmap = DefaultColormapOfScreen (screen);
197} 264}
198 265
199void 266void
200rxvt_screen::set (rxvt_display *disp, int bitdepth) 267rxvt_screen::select_visual (int bitdepth)
201{ 268{
202 set (disp);
203
204#if XFT 269#if XFT
205 XVisualInfo vinfo; 270 XVisualInfo vinfo;
206 271
207 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
208 { 273 {
209 depth = bitdepth; 274 depth = bitdepth;
210 visual = vinfo.visual; 275 visual = vinfo.visual;
211 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
212 } 277 }
213#endif 278#endif
214} 279}
215 280
216void 281void
217rxvt_screen::clear () 282rxvt_screen::clear ()
218{ 283{
284#if XFT
285 if (scratch_area)
286 {
287 XFreePixmap (dpy, scratch_area->drawable);
288 delete scratch_area;
289 }
290#endif
291
219 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 292 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
220 XFreeColormap (xdisp, cmap); 293 XFreeColormap (dpy, cmap);
221} 294}
222 295
223///////////////////////////////////////////////////////////////////////////// 296/////////////////////////////////////////////////////////////////////////////
224 297
225rxvt_display::rxvt_display (const char *id) 298rxvt_display::rxvt_display (const char *id)
… …
228, selection_owner (0) 301, selection_owner (0)
229{ 302{
230} 303}
231 304
232XrmDatabase 305XrmDatabase
233rxvt_display::get_resources () 306rxvt_display::get_resources (bool refresh)
234{ 307{
235 char *homedir = (char *)getenv ("HOME"); 308 char *homedir = (char *)getenv ("HOME");
236 char fname[1024]; 309 char fname[1024];
237 310
238 /* 311 /*
239 * get resources using the X library function 312 * get resources using the X library function
240 */ 313 */
241 char *displayResource, *xe; 314 char *displayResource, *xe;
242 XrmDatabase database, rdb1; 315 XrmDatabase rdb1, database = 0;
243
244 database = NULL;
245 316
246 // 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
247 319
248 // 6. System wide per application default file. 320 // 6. System wide per application default file.
249 321
250 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
251 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 323 if ((xe = (char *)getenv ("XAPPLRESDIR")))
… …
258 330
259 // 5. User's per application default file. 331 // 5. User's per application default file.
260 // none 332 // none
261 333
262 // 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
263 /* 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
264 displayResource = XResourceManagerString (display); 378 displayResource = XResourceManagerString (dpy);
265 379
266 if (displayResource != NULL) 380 if (displayResource)
267 { 381 {
268 if ((rdb1 = XrmGetStringDatabase (displayResource))) 382 if ((rdb1 = XrmGetStringDatabase (displayResource)))
269 XrmMergeDatabases (rdb1, &database); 383 XrmMergeDatabases (rdb1, &database);
270 } 384 }
271 else if (homedir)
272 {
273 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
274 385
275 if ((rdb1 = XrmGetFileDatabase (fname))) 386#if !XLIB_ILLEGAL_ACCESS
276 XrmMergeDatabases (rdb1, &database); 387 if (refresh && displayResource)
277 } 388 XFree (displayResource);
389#endif
278 390
279 /* Get screen specific resources */ 391 /* Get screen specific resources */
280 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 392 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
281 393
282 if (displayResource != NULL) 394 if (displayResource)
283 { 395 {
284 if ((rdb1 = XrmGetStringDatabase (displayResource))) 396 if ((rdb1 = XrmGetStringDatabase (displayResource)))
285 /* Merge with screen-independent resources */ 397 /* Merge with screen-independent resources */
286 XrmMergeDatabases (rdb1, &database); 398 XrmMergeDatabases (rdb1, &database);
287 399
… …
315 if (id[0] == ':') 427 if (id[0] == ':')
316 { 428 {
317 val = rxvt_malloc (5 + strlen (id) + 1); 429 val = rxvt_malloc (5 + strlen (id) + 1);
318 strcpy (val, "unix/"); 430 strcpy (val, "unix/");
319 strcat (val, id); 431 strcat (val, id);
320 display = XOpenDisplay (val); 432 dpy = XOpenDisplay (val);
321 free (val); 433 free (val);
322 } 434 }
323 else 435 else
324#endif 436#endif
325 display = 0; 437 dpy = 0;
326 438
327 if (!display) 439 if (!dpy)
328 display = XOpenDisplay (id); 440 dpy = XOpenDisplay (id);
329 441
330 if (!display) 442 if (!dpy)
331 return false; 443 return false;
332 444
333 screen = DefaultScreen (display); 445 screen = DefaultScreen (dpy);
334 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
335 452
336 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 453 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
337 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 454 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
338 455
339 XrmSetDatabase (display, get_resources ()); 456 XrmSetDatabase (dpy, get_resources (false));
340 457
341#ifdef POINTER_BLANK 458#ifdef POINTER_BLANK
342 XColor blackcolour; 459 XColor blackcolour;
343 blackcolour.red = 0; 460 blackcolour.red = 0;
344 blackcolour.green = 0; 461 blackcolour.green = 0;
345 blackcolour.blue = 0; 462 blackcolour.blue = 0;
346 Font f = XLoadFont (display, "fixed"); 463 Font f = XLoadFont (dpy, "fixed");
347 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 464 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
348 &blackcolour, &blackcolour); 465 &blackcolour, &blackcolour);
349 XUnloadFont (display, f); 466 XUnloadFont (dpy, f);
350#endif 467#endif
351 468
352 int fd = XConnectionNumber (display); 469 int fd = XConnectionNumber (dpy);
353 470
354#ifndef NO_SLOW_LINK_SUPPORT
355 // try to detect wether we have a local connection. 471 // try to detect wether we have a local connection.
356 // assume unix domains socket == local, everything else not 472 // assume unix domains socket == local, everything else not
357 // TODO: might want to check for inet/127.0.0.1 473 // TODO: might want to check for inet/127.0.0.1
358 is_local = 0; 474 is_local = 0;
359 sockaddr_un sa; 475 sockaddr_un sa;
360 socklen_t sl = sizeof (sa); 476 socklen_t sl = sizeof (sa);
361 477
362 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 478 if (!getsockname (fd, (sockaddr *)&sa, &sl))
363 is_local = sa.sun_family == AF_LOCAL; 479 is_local = sa.sun_family == AF_LOCAL;
364#endif
365 480
366 x_ev.start (fd, EVENT_READ); 481 x_ev.start (fd, EVENT_READ);
367 fcntl (fd, F_SETFD, FD_CLOEXEC); 482 fcntl (fd, F_SETFD, FD_CLOEXEC);
368 483
369 XSelectInput (display, root, PropertyChangeMask); 484 XSelectInput (dpy, root, PropertyChangeMask);
370 485
371 flush (); 486 flush ();
372 487
373 return true; 488 return true;
374} 489}
375 490
376void 491void
377rxvt_display::ref_next () 492rxvt_display::ref_next ()
378{ 493{
379 // TODO: somehow check wether the database files/resources changed 494 // TODO: somehow check wether the database files/resources changed
380 // before re-loading/parsing 495 // before affording re-loading/parsing
381 XrmDestroyDatabase (XrmGetDatabase (display)); 496 XrmDestroyDatabase (XrmGetDatabase (dpy));
382 XrmSetDatabase (display, get_resources ()); 497 XrmSetDatabase (dpy, get_resources (true));
383} 498}
384 499
385rxvt_display::~rxvt_display () 500rxvt_display::~rxvt_display ()
386{ 501{
387 if (!display) 502 if (!dpy)
388 return; 503 return;
389 504
390#ifdef POINTER_BLANK 505#ifdef POINTER_BLANK
391 XFreeCursor (display, blank_cursor); 506 XFreeCursor (dpy, blank_cursor);
392#endif 507#endif
393 x_ev.stop (); 508 x_ev.stop ();
394#ifdef USE_XIM 509#ifdef USE_XIM
395 xims.clear (); 510 xims.clear ();
396#endif 511#endif
397 XCloseDisplay (display); 512 XCloseDisplay (dpy);
398} 513}
399 514
400#ifdef USE_XIM 515#ifdef USE_XIM
401void rxvt_display::im_change_cb () 516void rxvt_display::im_change_cb ()
402{ 517{
… …
410 // registers, as xlib crashes due to a race otherwise. 525 // registers, as xlib crashes due to a race otherwise.
411 Atom actual_type, *atoms; 526 Atom actual_type, *atoms;
412 int actual_format; 527 int actual_format;
413 unsigned long nitems, bytes_after; 528 unsigned long nitems, bytes_after;
414 529
415 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 530 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
416 False, XA_ATOM, &actual_type, &actual_format, 531 False, XA_ATOM, &actual_type, &actual_format,
417 &nitems, &bytes_after, (unsigned char **)&atoms) 532 &nitems, &bytes_after, (unsigned char **)&atoms)
418 != Success ) 533 != Success )
419 return; 534 return;
420 535
421 if (actual_type == XA_ATOM && actual_format == 32) 536 if (actual_type == XA_ATOM && actual_format == 32)
422 for (int i = 0; i < nitems; i++) 537 for (int i = 0; i < nitems; i++)
423 if (XGetSelectionOwner (display, atoms[i])) 538 if (XGetSelectionOwner (dpy, atoms[i]))
424 { 539 {
425 im_change_cb (); 540 im_change_cb ();
426 break; 541 break;
427 } 542 }
428 543
… …
433void rxvt_display::x_cb (io_watcher &w, short revents) 548void rxvt_display::x_cb (io_watcher &w, short revents)
434{ 549{
435 do 550 do
436 { 551 {
437 XEvent xev; 552 XEvent xev;
438 XNextEvent (display, &xev); 553 XNextEvent (dpy, &xev);
439 554
440#ifdef USE_XIM 555#ifdef USE_XIM
441 if (!XFilterEvent (&xev, None)) 556 if (!XFilterEvent (&xev, None))
442 { 557 {
443 if (xev.type == PropertyNotify 558 if (xev.type == PropertyNotify
… …
454 } 569 }
455#ifdef USE_XIM 570#ifdef USE_XIM
456 } 571 }
457#endif 572#endif
458 } 573 }
459 while (XEventsQueued (display, QueuedAlready)); 574 while (XEventsQueued (dpy, QueuedAlready));
460 575
461 XFlush (display); 576 XFlush (dpy);
462} 577}
463 578
464void rxvt_display::flush () 579void rxvt_display::flush ()
465{ 580{
466 if (XEventsQueued (display, QueuedAlready)) 581 if (XEventsQueued (dpy, QueuedAlready))
467 x_cb (x_ev, EVENT_READ); 582 x_cb (x_ev, EVENT_READ);
468 583
469 XFlush (display); 584 XFlush (dpy);
470} 585}
471 586
472void rxvt_display::reg (xevent_watcher *w) 587void rxvt_display::reg (xevent_watcher *w)
473{ 588{
589 if (!w->active)
590 {
474 xw.push_back (w); 591 xw.push_back (w);
475 w->active = xw.size (); 592 w->active = xw.size ();
593 }
476} 594}
477 595
478void rxvt_display::unreg (xevent_watcher *w) 596void rxvt_display::unreg (xevent_watcher *w)
479{ 597{
480 if (w->active) 598 if (w->active)
599 {
481 xw[w->active - 1] = 0; 600 xw[w->active - 1] = 0;
601 w->active = 0;
602 }
482} 603}
483 604
484void rxvt_display::set_selection_owner (rxvt_term *owner) 605void rxvt_display::set_selection_owner (rxvt_term *owner)
485{ 606{
486 if (selection_owner && selection_owner != owner) 607 if (selection_owner && selection_owner != owner)
… …
488 609
489 selection_owner = owner; 610 selection_owner = owner;
490} 611}
491 612
492#ifdef USE_XIM 613#ifdef USE_XIM
614
493void rxvt_display::reg (im_watcher *w) 615void rxvt_display::reg (im_watcher *w)
494{ 616{
495 imw.push_back (w); 617 imw.push_back (w);
496} 618}
497 619
… …
521 return xim; 643 return xim;
522} 644}
523 645
524void rxvt_display::put_xim (rxvt_xim *xim) 646void rxvt_display::put_xim (rxvt_xim *xim)
525{ 647{
526#if XLIB_IS_RACEFREE 648# if XLIB_IS_RACEFREE
527 xims.put (xim); 649 xims.put (xim);
528#endif 650# endif
529} 651}
652
530#endif 653#endif
531 654
532Atom rxvt_display::atom (const char *name) 655Atom rxvt_display::atom (const char *name)
533{ 656{
534 return XInternAtom (display, name, False); 657 return XInternAtom (dpy, name, False);
535} 658}
536 659
537///////////////////////////////////////////////////////////////////////////// 660/////////////////////////////////////////////////////////////////////////////
538 661
539template class refcache<rxvt_display>; 662template class refcache<rxvt_display>;
540refcache<rxvt_display> displays; 663refcache<rxvt_display> displays;
541 664
542///////////////////////////////////////////////////////////////////////////// 665/////////////////////////////////////////////////////////////////////////////
543 666//
667
668static unsigned int
669insert_component (unsigned int value, unsigned int mask, unsigned int shift)
670{
671 return (value * (mask + 1) >> 16) << shift;
672}
673
674bool
675rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
676{
677#if XFT
678 XRenderPictFormat *format;
679
680 // FUCKING Xft gets it wrong, of course, so work around it.
681 // Transparency users should eat shit and die, and then
682 // XRenderQueryPictIndexValues themselves plenty.
683 if ((screen->visual->c_class == TrueColor)
684 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
685 {
686 // the fun lies in doing everything manually...
687 c.color.red = color.r;
688 c.color.green = color.g;
689 c.color.blue = color.b;
690 c.color.alpha = color.a;
691
692 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
693 | insert_component (color.g, format->direct.greenMask, format->direct.green)
694 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
695 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
696
697 return true;
698 }
699 else
700 {
701 XRenderColor d;
702
703 d.red = color.r;
704 d.green = color.g;
705 d.blue = color.b;
706 d.alpha = color.a;
707
708 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
709 }
710#else
711 c.red = color.r;
712 c.green = color.g;
713 c.blue = color.b;
714
715 if (screen->visual->c_class == TrueColor)
716 {
717 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
718 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
719 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
720
721 return true;
722 }
723 else if (XAllocColor (screen->dpy, screen->cmap, &c))
724 return true;
725 else
726 c.pixel = (color.r + color.g + color.b) > 128*3
727 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
728 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
729#endif
730
731 return false;
732}
733
544bool 734bool
545rxvt_color::set (rxvt_screen *screen, const char *name) 735rxvt_color::set (rxvt_screen *screen, const char *name)
546{ 736{
737 rgba c;
738 char eos;
739 int skip;
740
741 // parse the nonstandard "[alphapercent]" prefix
742 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
743 {
744 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
745 name += skip;
746 }
747 else
748 c.a = rgba::MAX_CC;
749
750 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
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))
752 {
753 XColor xc, xc_exact;
754
755 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
756 {
757 c.r = xc.red;
758 c.g = xc.green;
759 c.b = xc.blue;
760 }
761 else
762 {
763 c.r = 0xffff;
764 c.g = 0x6969;
765 c.b = 0xb4b4;
766
767 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
768 }
769 }
770
771 return set (screen, c);
772}
773
774bool
775rxvt_color::set (rxvt_screen *screen, const rgba &color)
776{
777 bool got = alloc (screen, color);
778
779#if !ENABLE_MINIMAL
780 int cmap_size = screen->visual->map_entries;
781
782 if (!got
783 && screen->visual->c_class == PseudoColor
784 && cmap_size < 4096)
785 {
786 XColor *colors = new XColor [screen->visual->map_entries];
787
788 for (int i = 0; i < cmap_size; i++)
789 colors [i].pixel = i;
790
791 // many kilobytes transfer per colour, but pseudocolor isn't worth
792 // many extra optimisations.
793 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
794
795 int diff = 0x7fffffffUL;
796 XColor *best = colors;
797
798 for (int i = 0; i < cmap_size; i++)
799 {
800 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
801 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
802 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
803
804 if (d < diff)
805 {
806 diff = d;
807 best = colors + i;
808 }
809 }
810
811 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
812 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
813
814 got = alloc (screen, rgba (best->red, best->green, best->blue));
815
816 delete [] colors;
817 }
818#endif
819
820 return got;
821}
822
823void
824rxvt_color::get (rgba &color)
825{
547#if XFT 826#if XFT
548 int l = strlen (name); 827 color.r = c.color.red;
549 rxvt_rgba r; 828 color.g = c.color.green;
550 char eos; 829 color.b = c.color.blue;
551 int mult; 830 color.a = c.color.alpha;
552
553 if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
554 mult = rxvt_rgba::MAX_CC / 0x000f;
555 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
556 mult = rxvt_rgba::MAX_CC / 0x00ff;
557 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
558 mult = rxvt_rgba::MAX_CC / 0xffff;
559 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
560 mult = rxvt_rgba::MAX_CC / 0xffff;
561 else
562 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
563
564 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
565 return set (screen, r);
566#else 831#else
567 XColor xc; 832 color.r = c.red;
568 833 color.g = c.green;
569 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 834 color.b = c.blue;
570 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 835 color.a = rgba::MAX_CC;
571
572 return false;
573#endif 836#endif
574} 837}
575 838
576bool
577rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba)
578{
579#if XFT
580 XRenderPictFormat *format;
581
582 // FUCKING Xft gets it wrong, of course, so work around it
583 // transparency users should eat shit and die, and then
584 // XRenderQueryPictIndexValues themselves plenty.
585 if (screen->visual->c_class == TrueColor
586 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual)))
587 {
588 // the fun lies in doing everything manually...
589 c.color.red = rgba.r;
590 c.color.green = rgba.g;
591 c.color.blue = rgba.b;
592 c.color.alpha = rgba.a;
593
594 c.pixel = (rgba.r >> (16 - popcount (format->direct.redMask )) << format->direct.red)
595 | (rgba.g >> (16 - popcount (format->direct.greenMask)) << format->direct.green)
596 | (rgba.b >> (16 - popcount (format->direct.blueMask )) << format->direct.blue)
597 | (rgba.a >> (16 - popcount (format->direct.alphaMask)) << format->direct.alpha);
598
599 return true;
600 }
601 else
602 {
603 XRenderColor d;
604
605 d.red = rgba.r;
606 d.green = rgba.g;
607 d.blue = rgba.b;
608 d.alpha = rgba.a;
609
610 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c);
611 }
612
613 return false;
614#else
615 XColor xc;
616
617 xc.red = rgba.r;
618 xc.green = rgba.g;
619 xc.blue = rgba.b;
620 xc.flags = DoRed | DoGreen | DoBlue;
621
622 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
623 {
624 p = xc.pixel;
625 return true;
626 }
627
628 return false;
629#endif
630}
631
632void 839void
633rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba) 840rxvt_color::get (XColor &color)
634{ 841{
635#if XFT 842 rgba c;
636 rgba.r = c.color.red; 843 get (c);
637 rgba.g = c.color.green;
638 rgba.b = c.color.blue;
639 rgba.a = c.color.alpha;
640#else
641 XColor c;
642 844
643 c.pixel = p; 845 color.red = c.r;
644 XQueryColor (screen->xdisp, screen->cmap, &c); 846 color.green = c.g;
645 847 color.blue = c.b;
646 rgba.r = c.red; 848 color.pixel = (Pixel)*this;
647 rgba.g = c.green;
648 rgba.b = c.blue;
649 rgba.a = rxvt_rgba::MAX_CC;
650#endif
651} 849}
652 850
653void 851void
654rxvt_color::free (rxvt_screen *screen) 852rxvt_color::free (rxvt_screen *screen)
655{ 853{
854 if (screen->visual->c_class == TrueColor)
855 return; // nothing to do
856
656#if XFT 857#if XFT
657 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 858 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
658#else 859#else
659 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 860 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
660#endif 861#endif
661} 862}
662 863
663rxvt_color 864void
664rxvt_color::fade (rxvt_screen *screen, int percent)
665{
666 rxvt_color faded;
667
668 rxvt_rgba c;
669 get (screen, c);
670
671 c.r = lerp (0, c.r, percent);
672 c.g = lerp (0, c.g, percent);
673 c.b = lerp (0, c.b, percent);
674
675 faded.set (screen, c);
676
677 return faded;
678}
679
680rxvt_color
681rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 865rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
682{ 866{
683 rxvt_rgba c, fc; 867 rgba c;
684 rxvt_color faded; 868 get (c);
685
686 get (screen, c);
687 fadeto.get (screen, fc);
688 869
689 faded.set ( 870 result.set (
690 screen, 871 screen,
691 rxvt_rgba ( 872 rgba (
692 lerp (fc.r, c.r, percent), 873 lerp (c.r, to.r, percent),
693 lerp (fc.g, c.g, percent), 874 lerp (c.g, to.g, percent),
694 lerp (fc.b, c.b, percent), 875 lerp (c.b, to.b, percent),
695 lerp (fc.a, c.a, percent) 876 lerp (c.a, to.a, percent)
696 ) 877 )
697 ); 878 );
698
699 return faded;
700} 879}
701 880

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