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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.30 by root, Sun Jan 29 21:54:33 2006 UTC vs.
Revision 1.56 by root, Mon Feb 20 22:40:35 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
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>
33
34#if XFT
35# include <X11/extensions/Xrender.h>
35#endif 36#endif
36 37
37const char *const xa_names[] = 38const char *const xa_names[] =
38 { 39{
39 "TEXT", 40 "TEXT",
40 "COMPOUND_TEXT", 41 "COMPOUND_TEXT",
41 "UTF8_STRING", 42 "UTF8_STRING",
42 "MULTIPLE", 43 "MULTIPLE",
43 "TARGETS", 44 "TARGETS",
44 "TIMESTAMP", 45 "TIMESTAMP",
45 "VT_SELECTION", 46 "VT_SELECTION",
46 "INCR", 47 "INCR",
47 "WM_PROTOCOLS", 48 "WM_PROTOCOLS",
48 "WM_DELETE_WINDOW", 49 "WM_DELETE_WINDOW",
49 "CLIPBOARD", 50 "CLIPBOARD",
51 "AVERAGE_WIDTH",
52 "WEIGHT_NAME",
53 "SLANT",
54 "CHARSET_REGISTRY",
55 "CHARSET_ENCODING",
50#if ENABLE_FRILLS 56#if ENABLE_FRILLS
51 "_MOTIF_WM_HINTS", 57 "_MOTIF_WM_HINTS",
52#endif 58#endif
53#if ENABLE_EWMH 59#if ENABLE_EWMH
54 "_NET_WM_PID", 60 "_NET_WM_PID",
55 "_NET_WM_NAME", 61 "_NET_WM_NAME",
56 "_NET_WM_ICON_NAME", 62 "_NET_WM_ICON_NAME",
57 "_NET_WM_PING", 63 "_NET_WM_PING",
58#endif 64#endif
59#if USE_XIM 65#if USE_XIM
60 "WM_LOCALE_NAME", 66 "WM_LOCALE_NAME",
61 "XIM_SERVERS", 67 "XIM_SERVERS",
62#endif 68#endif
63#ifdef TRANSPARENT 69#ifdef TRANSPARENT
64 "_XROOTPMAP_ID", 70 "_XROOTPMAP_ID",
65 "ESETROOT_PMAP_ID", 71 "ESETROOT_PMAP_ID",
66#endif 72#endif
67#if ENABLE_XEMBED 73#if ENABLE_XEMBED
68 "_XEMBED", 74 "_XEMBED",
69 "_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",
70#endif 90# endif
71 }; 91#endif
92};
72 93
73///////////////////////////////////////////////////////////////////////////// 94/////////////////////////////////////////////////////////////////////////////
74 95
75refcounted::refcounted (const char *id) 96refcounted::refcounted (const char *id)
76{ 97{
… …
153bool 174bool
154rxvt_xim::ref_init () 175rxvt_xim::ref_init ()
155{ 176{
156 display = GET_R->display; //HACK: TODO 177 display = GET_R->display; //HACK: TODO
157 178
158 xim = XOpenIM (display->display, NULL, NULL, NULL); 179 xim = XOpenIM (display->dpy, 0, 0, 0);
159 180
160 if (!xim) 181 if (!xim)
161 return false; 182 return false;
162 183
163 XIMCallback ximcallback; 184 XIMCallback ximcallback;
164 ximcallback.client_data = (XPointer)this; 185 ximcallback.client_data = (XPointer)this;
165 ximcallback.callback = im_destroy_cb; 186 ximcallback.callback = im_destroy_cb;
166 187
167 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0);
168 189
169 return true; 190 return true;
170} 191}
171 192
172rxvt_xim::~rxvt_xim () 193rxvt_xim::~rxvt_xim ()
… …
177 198
178#endif 199#endif
179 200
180///////////////////////////////////////////////////////////////////////////// 201/////////////////////////////////////////////////////////////////////////////
181 202
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
182void 253void
183rxvt_screen::set (rxvt_display *disp) 254rxvt_screen::set (rxvt_display *disp)
184{ 255{
185 display = disp; 256 display = disp;
186 xdisp = disp->display; 257 dpy = disp->dpy;
187 258
188 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 259 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
189 260
190 depth = DefaultDepthOfScreen (screen); 261 depth = DefaultDepthOfScreen (screen);
191 visual = DefaultVisualOfScreen (screen); 262 visual = DefaultVisualOfScreen (screen);
192 cmap = DefaultColormapOfScreen (screen); 263 cmap = DefaultColormapOfScreen (screen);
193} 264}
… …
195void 266void
196rxvt_screen::set (rxvt_display *disp, int bitdepth) 267rxvt_screen::set (rxvt_display *disp, int bitdepth)
197{ 268{
198 set (disp); 269 set (disp);
199 270
271#if XFT
200 XVisualInfo vinfo; 272 XVisualInfo vinfo;
201 273
202 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 274 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
203 { 275 {
204 depth = bitdepth; 276 depth = bitdepth;
205 visual = vinfo.visual; 277 visual = vinfo.visual;
206 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 278 cmap = XCreateColormap (dpy, disp->root, visual, AllocNone);
207 } 279 }
280#endif
208} 281}
209 282
210void 283void
211rxvt_screen::clear () 284rxvt_screen::clear ()
212{ 285{
286#if XFT
287 if (scratch_area)
288 {
289 XFreePixmap (dpy, scratch_area->drawable);
290 delete scratch_area;
291 }
292#endif
293
213 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 294 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
214 XFreeColormap (xdisp, cmap); 295 XFreeColormap (dpy, cmap);
215} 296}
216 297
217///////////////////////////////////////////////////////////////////////////// 298/////////////////////////////////////////////////////////////////////////////
218 299
219rxvt_display::rxvt_display (const char *id) 300rxvt_display::rxvt_display (const char *id)
… …
222, selection_owner (0) 303, selection_owner (0)
223{ 304{
224} 305}
225 306
226XrmDatabase 307XrmDatabase
227rxvt_display::get_resources () 308rxvt_display::get_resources (bool refresh)
228{ 309{
229 char *homedir = (char *)getenv ("HOME"); 310 char *homedir = (char *)getenv ("HOME");
230 char fname[1024]; 311 char fname[1024];
231 312
232 /* 313 /*
233 * get resources using the X library function 314 * get resources using the X library function
234 */ 315 */
235 char *displayResource, *xe; 316 char *displayResource, *xe;
236 XrmDatabase database, rdb1; 317 XrmDatabase rdb1, database = 0;
237
238 database = NULL;
239 318
240 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 319 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
241 320
242 // 6. System wide per application default file. 321 // 6. System wide per application default file.
243 322
… …
253 // 5. User's per application default file. 332 // 5. User's per application default file.
254 // none 333 // none
255 334
256 // 4. User's defaults file. 335 // 4. User's defaults file.
257 /* Get any Xserver defaults */ 336 /* Get any Xserver defaults */
337 if (refresh)
338 {
339 // fucking xlib keeps a copy of the rm string
340 Atom actual_type;
341 int actual_format;
342 unsigned long nitems, nremaining;
343 char *val = 0;
344
345#if XLIB_ILLEGAL_ACCESS
346 if (dpy->xdefaults)
347 XFree (dpy->xdefaults);
348#endif
349
350 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
351 0L, 100000000L, False,
352 XA_STRING, &actual_type, &actual_format,
353 &nitems, &nremaining,
354 (unsigned char **)&val) == Success
355 && actual_type == XA_STRING
356 && actual_format == 8)
357 displayResource = val;
358 else
359 {
360 displayResource = 0;
361 if (val)
362 XFree(val);
363 }
364
365#if XLIB_ILLEGAL_ACCESS
366 dpy->xdefaults = displayResource;
367#endif
368 }
369 else
258 displayResource = XResourceManagerString (display); 370 displayResource = XResourceManagerString (dpy);
259 371
260 if (displayResource != NULL) 372 if (displayResource)
261 { 373 {
262 if ((rdb1 = XrmGetStringDatabase (displayResource))) 374 if ((rdb1 = XrmGetStringDatabase (displayResource)))
263 XrmMergeDatabases (rdb1, &database); 375 XrmMergeDatabases (rdb1, &database);
264 } 376 }
265 else if (homedir) 377 else if (homedir)
… …
268 380
269 if ((rdb1 = XrmGetFileDatabase (fname))) 381 if ((rdb1 = XrmGetFileDatabase (fname)))
270 XrmMergeDatabases (rdb1, &database); 382 XrmMergeDatabases (rdb1, &database);
271 } 383 }
272 384
385#if !XLIB_ILLEGAL_ACCESS
386 if (refresh && displayResource)
387 XFree (displayResource);
388#endif
389
273 /* Get screen specific resources */ 390 /* Get screen specific resources */
274 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 391 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
275 392
276 if (displayResource != NULL) 393 if (displayResource)
277 { 394 {
278 if ((rdb1 = XrmGetStringDatabase (displayResource))) 395 if ((rdb1 = XrmGetStringDatabase (displayResource)))
279 /* Merge with screen-independent resources */ 396 /* Merge with screen-independent resources */
280 XrmMergeDatabases (rdb1, &database); 397 XrmMergeDatabases (rdb1, &database);
281 398
… …
309 if (id[0] == ':') 426 if (id[0] == ':')
310 { 427 {
311 val = rxvt_malloc (5 + strlen (id) + 1); 428 val = rxvt_malloc (5 + strlen (id) + 1);
312 strcpy (val, "unix/"); 429 strcpy (val, "unix/");
313 strcat (val, id); 430 strcat (val, id);
314 display = XOpenDisplay (val); 431 dpy = XOpenDisplay (val);
315 free (val); 432 free (val);
316 } 433 }
317 else 434 else
318#endif 435#endif
319 display = 0; 436 dpy = 0;
320 437
321 if (!display) 438 if (!dpy)
322 display = XOpenDisplay (id); 439 dpy = XOpenDisplay (id);
323 440
324 if (!display) 441 if (!dpy)
325 return false; 442 return false;
326 443
327 screen = DefaultScreen (display); 444 screen = DefaultScreen (dpy);
328 root = DefaultRootWindow (display); 445 root = DefaultRootWindow (dpy);
329 446
330 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 447 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
331 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 448 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
332 449
333 XrmSetDatabase (display, get_resources ()); 450 XrmSetDatabase (dpy, get_resources (false));
334 451
335#ifdef POINTER_BLANK 452#ifdef POINTER_BLANK
336 XColor blackcolour; 453 XColor blackcolour;
337 blackcolour.red = 0; 454 blackcolour.red = 0;
338 blackcolour.green = 0; 455 blackcolour.green = 0;
339 blackcolour.blue = 0; 456 blackcolour.blue = 0;
340 Font f = XLoadFont (display, "fixed"); 457 Font f = XLoadFont (dpy, "fixed");
341 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 458 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
342 &blackcolour, &blackcolour); 459 &blackcolour, &blackcolour);
343 XUnloadFont (display, f); 460 XUnloadFont (dpy, f);
344#endif 461#endif
345 462
346 int fd = XConnectionNumber (display); 463 int fd = XConnectionNumber (dpy);
347 464
348#ifndef NO_SLOW_LINK_SUPPORT
349 // try to detect wether we have a local connection. 465 // try to detect wether we have a local connection.
350 // assume unix domains socket == local, everything else not 466 // assume unix domains socket == local, everything else not
351 // TODO: might want to check for inet/127.0.0.1 467 // TODO: might want to check for inet/127.0.0.1
352 is_local = 0; 468 is_local = 0;
353 sockaddr_un sa; 469 sockaddr_un sa;
354 socklen_t sl = sizeof (sa); 470 socklen_t sl = sizeof (sa);
355 471
356 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 472 if (!getsockname (fd, (sockaddr *)&sa, &sl))
357 is_local = sa.sun_family == AF_LOCAL; 473 is_local = sa.sun_family == AF_LOCAL;
358#endif
359 474
360 x_ev.start (fd, EVENT_READ); 475 x_ev.start (fd, EVENT_READ);
361 fcntl (fd, F_SETFD, FD_CLOEXEC); 476 fcntl (fd, F_SETFD, FD_CLOEXEC);
362 477
363 XSelectInput (display, root, PropertyChangeMask); 478 XSelectInput (dpy, root, PropertyChangeMask);
364 479
365 flush (); 480 flush ();
366 481
367 return true; 482 return true;
368} 483}
369 484
370void 485void
371rxvt_display::ref_next () 486rxvt_display::ref_next ()
372{ 487{
373 // TODO: somehow check wether the database files/resources changed 488 // TODO: somehow check wether the database files/resources changed
374 // before re-loading/parsing 489 // before affording re-loading/parsing
375 XrmDestroyDatabase (XrmGetDatabase (display)); 490 XrmDestroyDatabase (XrmGetDatabase (dpy));
376 XrmSetDatabase (display, get_resources ()); 491 XrmSetDatabase (dpy, get_resources (true));
377} 492}
378 493
379rxvt_display::~rxvt_display () 494rxvt_display::~rxvt_display ()
380{ 495{
381 if (!display) 496 if (!dpy)
382 return; 497 return;
383 498
384#ifdef POINTER_BLANK 499#ifdef POINTER_BLANK
385 XFreeCursor (display, blank_cursor); 500 XFreeCursor (dpy, blank_cursor);
386#endif 501#endif
387 x_ev.stop (); 502 x_ev.stop ();
388#ifdef USE_XIM 503#ifdef USE_XIM
389 xims.clear (); 504 xims.clear ();
390#endif 505#endif
391 XCloseDisplay (display); 506 XCloseDisplay (dpy);
392} 507}
393 508
394#ifdef USE_XIM 509#ifdef USE_XIM
395void rxvt_display::im_change_cb () 510void rxvt_display::im_change_cb ()
396{ 511{
… …
404 // registers, as xlib crashes due to a race otherwise. 519 // registers, as xlib crashes due to a race otherwise.
405 Atom actual_type, *atoms; 520 Atom actual_type, *atoms;
406 int actual_format; 521 int actual_format;
407 unsigned long nitems, bytes_after; 522 unsigned long nitems, bytes_after;
408 523
409 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 524 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
410 False, XA_ATOM, &actual_type, &actual_format, 525 False, XA_ATOM, &actual_type, &actual_format,
411 &nitems, &bytes_after, (unsigned char **)&atoms) 526 &nitems, &bytes_after, (unsigned char **)&atoms)
412 != Success ) 527 != Success )
413 return; 528 return;
414 529
415 if (actual_type == XA_ATOM && actual_format == 32) 530 if (actual_type == XA_ATOM && actual_format == 32)
416 for (int i = 0; i < nitems; i++) 531 for (int i = 0; i < nitems; i++)
417 if (XGetSelectionOwner (display, atoms[i])) 532 if (XGetSelectionOwner (dpy, atoms[i]))
418 { 533 {
419 im_change_cb (); 534 im_change_cb ();
420 break; 535 break;
421 } 536 }
422 537
… …
427void rxvt_display::x_cb (io_watcher &w, short revents) 542void rxvt_display::x_cb (io_watcher &w, short revents)
428{ 543{
429 do 544 do
430 { 545 {
431 XEvent xev; 546 XEvent xev;
432 XNextEvent (display, &xev); 547 XNextEvent (dpy, &xev);
433 548
434#ifdef USE_XIM 549#ifdef USE_XIM
435 if (!XFilterEvent (&xev, None)) 550 if (!XFilterEvent (&xev, None))
436 { 551 {
437 if (xev.type == PropertyNotify 552 if (xev.type == PropertyNotify
… …
448 } 563 }
449#ifdef USE_XIM 564#ifdef USE_XIM
450 } 565 }
451#endif 566#endif
452 } 567 }
453 while (XEventsQueued (display, QueuedAlready)); 568 while (XEventsQueued (dpy, QueuedAlready));
454 569
455 XFlush (display); 570 XFlush (dpy);
456} 571}
457 572
458void rxvt_display::flush () 573void rxvt_display::flush ()
459{ 574{
460 if (XEventsQueued (display, QueuedAlready)) 575 if (XEventsQueued (dpy, QueuedAlready))
461 x_cb (x_ev, EVENT_READ); 576 x_cb (x_ev, EVENT_READ);
462 577
463 XFlush (display); 578 XFlush (dpy);
464} 579}
465 580
466void rxvt_display::reg (xevent_watcher *w) 581void rxvt_display::reg (xevent_watcher *w)
467{ 582{
468 xw.push_back (w); 583 xw.push_back (w);
… …
482 597
483 selection_owner = owner; 598 selection_owner = owner;
484} 599}
485 600
486#ifdef USE_XIM 601#ifdef USE_XIM
602
487void rxvt_display::reg (im_watcher *w) 603void rxvt_display::reg (im_watcher *w)
488{ 604{
489 imw.push_back (w); 605 imw.push_back (w);
490} 606}
491 607
… …
515 return xim; 631 return xim;
516} 632}
517 633
518void rxvt_display::put_xim (rxvt_xim *xim) 634void rxvt_display::put_xim (rxvt_xim *xim)
519{ 635{
520#if XLIB_IS_RACEFREE 636# if XLIB_IS_RACEFREE
521 xims.put (xim); 637 xims.put (xim);
522#endif 638# endif
523} 639}
640
524#endif 641#endif
525 642
526Atom rxvt_display::atom (const char *name) 643Atom rxvt_display::atom (const char *name)
527{ 644{
528 return XInternAtom (display, name, False); 645 return XInternAtom (dpy, name, False);
529} 646}
530 647
531///////////////////////////////////////////////////////////////////////////// 648/////////////////////////////////////////////////////////////////////////////
532 649
533template class refcache<rxvt_display>; 650template class refcache<rxvt_display>;
534refcache<rxvt_display> displays; 651refcache<rxvt_display> displays;
535 652
536///////////////////////////////////////////////////////////////////////////// 653/////////////////////////////////////////////////////////////////////////////
537 654
655bool
656rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
657{
658#if XFT
659 XRenderPictFormat *format;
660
661 // FUCKING Xft gets it wrong, of course, so work around it.
662 // Transparency users should eat shit and die, and then
663 // XRenderQueryPictIndexValues themselves plenty.
664 if ((screen->visual->c_class == TrueColor)
665 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
666 {
667 // the fun lies in doing everything manually...
668 c.color.red = color.r;
669 c.color.green = color.g;
670 c.color.blue = color.b;
671 c.color.alpha = color.a;
672
673 c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red )
674 | ((color.g * format->direct.greenMask / rgba::MAX_CC) << format->direct.green)
675 | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue )
676 | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha);
677
678 return true;
679 }
680 else
681 {
682 XRenderColor d;
683
684 d.red = color.r;
685 d.green = color.g;
686 d.blue = color.b;
687 d.alpha = color.a;
688
689 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
690 }
691#else
692 c.red = color.r;
693 c.green = color.g;
694 c.blue = color.b;
695
696 if (screen->visual->c_class == TrueColor)
697 {
698 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
699 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
700 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
701 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
702 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
703 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
704
705 return true;
706 }
707 else if (XAllocColor (screen->dpy, screen->cmap, &c))
708 return true;
709 else
710 c.pixel = (color.r + color.g + color.b) > 128*3
711 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
712 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
713#endif
714
715 return false;
716}
717
538bool 718bool
539rxvt_color::set (rxvt_screen *screen, const char *name) 719rxvt_color::set (rxvt_screen *screen, const char *name)
540{ 720{
721 rgba c;
722 char eos;
723 int skip;
724
725 // parse the nonstandard "[alphapercent]" prefix
726 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
727 {
728 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
729 name += skip;
730 }
731 else
732 c.a = rgba::MAX_CC;
733
734 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
735 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
736 {
737 XColor xc, xc_exact;
738
739 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
740 {
741 c.r = xc.red;
742 c.g = xc.green;
743 c.b = xc.blue;
744 }
745 else
746 {
747 c.r = 0xffff;
748 c.g = 0x6969;
749 c.b = 0xb4b4;
750
751 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
752 }
753 }
754
755 return set (screen, c);
756}
757
758bool
759rxvt_color::set (rxvt_screen *screen, const rgba &color)
760{
761 bool got = alloc (screen, color);
762
763#if !ENABLE_MINIMAL
764 int cmap_size = screen->visual->map_entries;
765
766 if (!got
767 && screen->visual->c_class == PseudoColor
768 && cmap_size < 4096)
769 {
770 XColor *colors = new XColor [screen->visual->map_entries];
771
772 for (int i = 0; i < cmap_size; i++)
773 colors [i].pixel = i;
774
775 // many kilobytes transfer per colour, but pseudocolor isn't worth
776 // many extra optimisations.
777 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
778
779 int diff = 0x7fffffffUL;
780 XColor *best = colors;
781
782 for (int i = 0; i < cmap_size; i++)
783 {
784 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
785 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
786 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
787
788 if (d < diff)
789 {
790 diff = d;
791 best = colors + i;
792 }
793 }
794
795 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
796 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
797
798 got = alloc (screen, rgba (best->red, best->green, best->blue));
799
800 delete colors;
801 }
802#endif
803
804 return got;
805}
806
807void
808rxvt_color::get (rgba &color)
809{
541#if XFT 810#if XFT
542 int l = strlen (name); 811 color.r = c.color.red;
543 rxvt_rgba r; 812 color.g = c.color.green;
544 char eos; 813 color.b = c.color.blue;
545 int mult; 814 color.a = c.color.alpha;
546
547 if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
548 mult = rxvt_rgba::MAX_CC / 0x000f;
549 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
550 mult = rxvt_rgba::MAX_CC / 0x00ff;
551 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
552 mult = rxvt_rgba::MAX_CC / 0xffff;
553 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
554 mult = rxvt_rgba::MAX_CC / 0xffff;
555 else
556 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
557
558 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
559 return set (screen, r);
560#else 815#else
561 XColor xc; 816 color.r = c.red;
562 817 color.g = c.green;
563 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 818 color.b = c.blue;
564 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 819 color.a = rgba::MAX_CC;
565
566 return false;
567#endif 820#endif
568} 821}
569 822
570bool
571rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba)
572{
573#if XFT
574 XRenderColor d;
575
576 d.red = rgba.r;
577 d.green = rgba.g;
578 d.blue = rgba.b;
579 d.alpha = rgba.a;
580
581 if (XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c))
582 {
583 // FUCKING Xft gets it wrong, of course, fix it for the common case
584 // transparency users should eat shit and die, and then
585 // XRenderQueryPictIndexValues themselves plenty.
586 if (screen->depth == 32 && screen->visual->c_class == TrueColor)
587 if ((screen->visual->red_mask | screen->visual->green_mask | screen->visual->blue_mask) == 0x00ffffffUL)
588 c.pixel = c.pixel & 0x00ffffffUL | ((rgba.a >> 8) << 24);
589 else if ((screen->visual->red_mask | screen->visual->green_mask | screen->visual->blue_mask) == 0xffffff00UL)
590 c.pixel = c.pixel & 0xffffff00UL | (rgba.a >> 8);
591
592 return true;
593 }
594
595 return false;
596#else
597 XColor xc;
598
599 xc.red = rgba.r;
600 xc.green = rgba.g;
601 xc.blue = rgba.b;
602 xc.flags = DoRed | DoGreen | DoBlue;
603
604 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
605 {
606 p = xc.pixel;
607 return true;
608 }
609
610 return false;
611#endif
612}
613
614void 823void
615rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba) 824rxvt_color::get (XColor &color)
616{ 825{
617#if XFT 826 rgba c;
618 rgba.r = c.color.red; 827 get (c);
619 rgba.g = c.color.green;
620 rgba.b = c.color.blue;
621 rgba.a = c.color.alpha;
622#else
623 XColor c;
624 828
625 c.pixel = p; 829 color.red = c.r;
626 XQueryColor (screen->xdisp, screen->cmap, &c); 830 color.green = c.g;
627 831 color.blue = c.b;
628 rgba.r = c.red; 832 color.pixel = (Pixel)*this;
629 rgba.g = c.green;
630 rgba.b = c.blue;
631 rgba.a = rxvt_rgba::MAX_CC;
632#endif
633} 833}
634 834
635void 835void
636rxvt_color::free (rxvt_screen *screen) 836rxvt_color::free (rxvt_screen *screen)
637{ 837{
838 if (screen->visual->c_class == TrueColor)
839 return; // nothing to do
840
638#if XFT 841#if XFT
639 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 842 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
640#else 843#else
641 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 844 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
642#endif 845#endif
643} 846}
644 847
645rxvt_color 848void
646rxvt_color::fade (rxvt_screen *screen, int percent)
647{
648 rxvt_color faded;
649
650 rxvt_rgba c;
651 get (screen, c);
652
653 c.r = lerp (0, c.r, percent);
654 c.g = lerp (0, c.g, percent);
655 c.b = lerp (0, c.b, percent);
656
657 faded.set (screen, c);
658
659 return faded;
660}
661
662rxvt_color
663rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 849rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
664{ 850{
665 rxvt_rgba c, fc; 851 rgba c;
666 rxvt_color faded; 852 get (c);
667
668 get (screen, c);
669 fadeto.get (screen, fc);
670 853
671 faded.set ( 854 result.set (
672 screen, 855 screen,
673 rxvt_rgba ( 856 rgba (
674 lerp (fc.r, c.r, percent), 857 lerp (c.r, to.r, percent),
675 lerp (fc.g, c.g, percent), 858 lerp (c.g, to.g, percent),
676 lerp (fc.b, c.b, percent), 859 lerp (c.b, to.b, percent),
677 lerp (fc.a, c.a, percent) 860 lerp (c.a, to.a, percent)
678 ) 861 )
679 ); 862 );
680
681 return faded;
682} 863}
683 864

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