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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.29 by root, Sun Jan 29 21:45:47 2006 UTC vs.
Revision 1.59 by root, Wed Jul 5 20:31:48 2006 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>
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}
194 265
195void 266void
196rxvt_screen::set (rxvt_display *disp, int bitdepth) 267rxvt_screen::select_visual (int bitdepth)
197{ 268{
198 set (disp); 269#if XFT
199
200 XVisualInfo vinfo; 270 XVisualInfo vinfo;
201 271
202 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
203 { 273 {
204 depth = bitdepth; 274 depth = bitdepth;
205 visual = vinfo.visual; 275 visual = vinfo.visual;
206 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
207 } 277 }
278#endif
208} 279}
209 280
210void 281void
211rxvt_screen::clear () 282rxvt_screen::clear ()
212{ 283{
284#if XFT
285 if (scratch_area)
286 {
287 XFreePixmap (dpy, scratch_area->drawable);
288 delete scratch_area;
289 }
290#endif
291
213 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 292 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
214 XFreeColormap (xdisp, cmap); 293 XFreeColormap (dpy, cmap);
215} 294}
216 295
217///////////////////////////////////////////////////////////////////////////// 296/////////////////////////////////////////////////////////////////////////////
218 297
219rxvt_display::rxvt_display (const char *id) 298rxvt_display::rxvt_display (const char *id)
… …
222, selection_owner (0) 301, selection_owner (0)
223{ 302{
224} 303}
225 304
226XrmDatabase 305XrmDatabase
227rxvt_display::get_resources () 306rxvt_display::get_resources (bool refresh)
228{ 307{
229 char *homedir = (char *)getenv ("HOME"); 308 char *homedir = (char *)getenv ("HOME");
230 char fname[1024]; 309 char fname[1024];
231 310
232 /* 311 /*
233 * get resources using the X library function 312 * get resources using the X library function
234 */ 313 */
235 char *displayResource, *xe; 314 char *displayResource, *xe;
236 XrmDatabase database, rdb1; 315 XrmDatabase rdb1, database = 0;
237
238 database = NULL;
239 316
240 // 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
241 318
242 // 6. System wide per application default file. 319 // 6. System wide per application default file.
243 320
… …
253 // 5. User's per application default file. 330 // 5. User's per application default file.
254 // none 331 // none
255 332
256 // 4. User's defaults file. 333 // 4. User's defaults file.
257 /* Get any Xserver defaults */ 334 /* Get any Xserver defaults */
335 if (refresh)
336 {
337 // fucking xlib keeps a copy of the rm string
338 Atom actual_type;
339 int actual_format;
340 unsigned long nitems, nremaining;
341 char *val = 0;
342
343#if XLIB_ILLEGAL_ACCESS
344 if (dpy->xdefaults)
345 XFree (dpy->xdefaults);
346#endif
347
348 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
349 0L, 100000000L, False,
350 XA_STRING, &actual_type, &actual_format,
351 &nitems, &nremaining,
352 (unsigned char **)&val) == Success
353 && actual_type == XA_STRING
354 && actual_format == 8)
355 displayResource = val;
356 else
357 {
358 displayResource = 0;
359 if (val)
360 XFree(val);
361 }
362
363#if XLIB_ILLEGAL_ACCESS
364 dpy->xdefaults = displayResource;
365#endif
366 }
367 else
258 displayResource = XResourceManagerString (display); 368 displayResource = XResourceManagerString (dpy);
259 369
260 if (displayResource != NULL) 370 if (displayResource)
261 { 371 {
262 if ((rdb1 = XrmGetStringDatabase (displayResource))) 372 if ((rdb1 = XrmGetStringDatabase (displayResource)))
263 XrmMergeDatabases (rdb1, &database); 373 XrmMergeDatabases (rdb1, &database);
264 } 374 }
265 else if (homedir) 375 else if (homedir)
… …
268 378
269 if ((rdb1 = XrmGetFileDatabase (fname))) 379 if ((rdb1 = XrmGetFileDatabase (fname)))
270 XrmMergeDatabases (rdb1, &database); 380 XrmMergeDatabases (rdb1, &database);
271 } 381 }
272 382
383#if !XLIB_ILLEGAL_ACCESS
384 if (refresh && displayResource)
385 XFree (displayResource);
386#endif
387
273 /* Get screen specific resources */ 388 /* Get screen specific resources */
274 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 389 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
275 390
276 if (displayResource != NULL) 391 if (displayResource)
277 { 392 {
278 if ((rdb1 = XrmGetStringDatabase (displayResource))) 393 if ((rdb1 = XrmGetStringDatabase (displayResource)))
279 /* Merge with screen-independent resources */ 394 /* Merge with screen-independent resources */
280 XrmMergeDatabases (rdb1, &database); 395 XrmMergeDatabases (rdb1, &database);
281 396
… …
309 if (id[0] == ':') 424 if (id[0] == ':')
310 { 425 {
311 val = rxvt_malloc (5 + strlen (id) + 1); 426 val = rxvt_malloc (5 + strlen (id) + 1);
312 strcpy (val, "unix/"); 427 strcpy (val, "unix/");
313 strcat (val, id); 428 strcat (val, id);
314 display = XOpenDisplay (val); 429 dpy = XOpenDisplay (val);
315 free (val); 430 free (val);
316 } 431 }
317 else 432 else
318#endif 433#endif
319 display = 0; 434 dpy = 0;
320 435
321 if (!display) 436 if (!dpy)
322 display = XOpenDisplay (id); 437 dpy = XOpenDisplay (id);
323 438
324 if (!display) 439 if (!dpy)
325 return false; 440 return false;
326 441
327 screen = DefaultScreen (display); 442 screen = DefaultScreen (dpy);
328 root = DefaultRootWindow (display); 443 root = DefaultRootWindow (dpy);
329 444
330 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 445 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
331 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 446 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
332 447
333 XrmSetDatabase (display, get_resources ()); 448 XrmSetDatabase (dpy, get_resources (false));
334 449
335#ifdef POINTER_BLANK 450#ifdef POINTER_BLANK
336 XColor blackcolour; 451 XColor blackcolour;
337 blackcolour.red = 0; 452 blackcolour.red = 0;
338 blackcolour.green = 0; 453 blackcolour.green = 0;
339 blackcolour.blue = 0; 454 blackcolour.blue = 0;
340 Font f = XLoadFont (display, "fixed"); 455 Font f = XLoadFont (dpy, "fixed");
341 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 456 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
342 &blackcolour, &blackcolour); 457 &blackcolour, &blackcolour);
343 XUnloadFont (display, f); 458 XUnloadFont (dpy, f);
344#endif 459#endif
345 460
346 int fd = XConnectionNumber (display); 461 int fd = XConnectionNumber (dpy);
347 462
348#ifndef NO_SLOW_LINK_SUPPORT
349 // try to detect wether we have a local connection. 463 // try to detect wether we have a local connection.
350 // assume unix domains socket == local, everything else not 464 // assume unix domains socket == local, everything else not
351 // TODO: might want to check for inet/127.0.0.1 465 // TODO: might want to check for inet/127.0.0.1
352 is_local = 0; 466 is_local = 0;
353 sockaddr_un sa; 467 sockaddr_un sa;
354 socklen_t sl = sizeof (sa); 468 socklen_t sl = sizeof (sa);
355 469
356 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 470 if (!getsockname (fd, (sockaddr *)&sa, &sl))
357 is_local = sa.sun_family == AF_LOCAL; 471 is_local = sa.sun_family == AF_LOCAL;
358#endif
359 472
360 x_ev.start (fd, EVENT_READ); 473 x_ev.start (fd, EVENT_READ);
361 fcntl (fd, F_SETFD, FD_CLOEXEC); 474 fcntl (fd, F_SETFD, FD_CLOEXEC);
362 475
363 XSelectInput (display, root, PropertyChangeMask); 476 XSelectInput (dpy, root, PropertyChangeMask);
364 477
365 flush (); 478 flush ();
366 479
367 return true; 480 return true;
368} 481}
369 482
370void 483void
371rxvt_display::ref_next () 484rxvt_display::ref_next ()
372{ 485{
373 // TODO: somehow check wether the database files/resources changed 486 // TODO: somehow check wether the database files/resources changed
374 // before re-loading/parsing 487 // before affording re-loading/parsing
375 XrmDestroyDatabase (XrmGetDatabase (display)); 488 XrmDestroyDatabase (XrmGetDatabase (dpy));
376 XrmSetDatabase (display, get_resources ()); 489 XrmSetDatabase (dpy, get_resources (true));
377} 490}
378 491
379rxvt_display::~rxvt_display () 492rxvt_display::~rxvt_display ()
380{ 493{
381 if (!display) 494 if (!dpy)
382 return; 495 return;
383 496
384#ifdef POINTER_BLANK 497#ifdef POINTER_BLANK
385 XFreeCursor (display, blank_cursor); 498 XFreeCursor (dpy, blank_cursor);
386#endif 499#endif
387 x_ev.stop (); 500 x_ev.stop ();
388#ifdef USE_XIM 501#ifdef USE_XIM
389 xims.clear (); 502 xims.clear ();
390#endif 503#endif
391 XCloseDisplay (display); 504 XCloseDisplay (dpy);
392} 505}
393 506
394#ifdef USE_XIM 507#ifdef USE_XIM
395void rxvt_display::im_change_cb () 508void rxvt_display::im_change_cb ()
396{ 509{
… …
404 // registers, as xlib crashes due to a race otherwise. 517 // registers, as xlib crashes due to a race otherwise.
405 Atom actual_type, *atoms; 518 Atom actual_type, *atoms;
406 int actual_format; 519 int actual_format;
407 unsigned long nitems, bytes_after; 520 unsigned long nitems, bytes_after;
408 521
409 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 522 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
410 False, XA_ATOM, &actual_type, &actual_format, 523 False, XA_ATOM, &actual_type, &actual_format,
411 &nitems, &bytes_after, (unsigned char **)&atoms) 524 &nitems, &bytes_after, (unsigned char **)&atoms)
412 != Success ) 525 != Success )
413 return; 526 return;
414 527
415 if (actual_type == XA_ATOM && actual_format == 32) 528 if (actual_type == XA_ATOM && actual_format == 32)
416 for (int i = 0; i < nitems; i++) 529 for (int i = 0; i < nitems; i++)
417 if (XGetSelectionOwner (display, atoms[i])) 530 if (XGetSelectionOwner (dpy, atoms[i]))
418 { 531 {
419 im_change_cb (); 532 im_change_cb ();
420 break; 533 break;
421 } 534 }
422 535
… …
427void rxvt_display::x_cb (io_watcher &w, short revents) 540void rxvt_display::x_cb (io_watcher &w, short revents)
428{ 541{
429 do 542 do
430 { 543 {
431 XEvent xev; 544 XEvent xev;
432 XNextEvent (display, &xev); 545 XNextEvent (dpy, &xev);
433 546
434#ifdef USE_XIM 547#ifdef USE_XIM
435 if (!XFilterEvent (&xev, None)) 548 if (!XFilterEvent (&xev, None))
436 { 549 {
437 if (xev.type == PropertyNotify 550 if (xev.type == PropertyNotify
… …
448 } 561 }
449#ifdef USE_XIM 562#ifdef USE_XIM
450 } 563 }
451#endif 564#endif
452 } 565 }
453 while (XEventsQueued (display, QueuedAlready)); 566 while (XEventsQueued (dpy, QueuedAlready));
454 567
455 XFlush (display); 568 XFlush (dpy);
456} 569}
457 570
458void rxvt_display::flush () 571void rxvt_display::flush ()
459{ 572{
460 if (XEventsQueued (display, QueuedAlready)) 573 if (XEventsQueued (dpy, QueuedAlready))
461 x_cb (x_ev, EVENT_READ); 574 x_cb (x_ev, EVENT_READ);
462 575
463 XFlush (display); 576 XFlush (dpy);
464} 577}
465 578
466void rxvt_display::reg (xevent_watcher *w) 579void rxvt_display::reg (xevent_watcher *w)
467{ 580{
468 xw.push_back (w); 581 xw.push_back (w);
… …
482 595
483 selection_owner = owner; 596 selection_owner = owner;
484} 597}
485 598
486#ifdef USE_XIM 599#ifdef USE_XIM
600
487void rxvt_display::reg (im_watcher *w) 601void rxvt_display::reg (im_watcher *w)
488{ 602{
489 imw.push_back (w); 603 imw.push_back (w);
490} 604}
491 605
… …
515 return xim; 629 return xim;
516} 630}
517 631
518void rxvt_display::put_xim (rxvt_xim *xim) 632void rxvt_display::put_xim (rxvt_xim *xim)
519{ 633{
520#if XLIB_IS_RACEFREE 634# if XLIB_IS_RACEFREE
521 xims.put (xim); 635 xims.put (xim);
522#endif 636# endif
523} 637}
638
524#endif 639#endif
525 640
526Atom rxvt_display::atom (const char *name) 641Atom rxvt_display::atom (const char *name)
527{ 642{
528 return XInternAtom (display, name, False); 643 return XInternAtom (dpy, name, False);
529} 644}
530 645
531///////////////////////////////////////////////////////////////////////////// 646/////////////////////////////////////////////////////////////////////////////
532 647
533template class refcache<rxvt_display>; 648template class refcache<rxvt_display>;
534refcache<rxvt_display> displays; 649refcache<rxvt_display> displays;
535 650
536///////////////////////////////////////////////////////////////////////////// 651/////////////////////////////////////////////////////////////////////////////
537 652//
653
654static unsigned int
655insert_component (unsigned int value, unsigned int mask, unsigned int shift)
656{
657 return (value * (mask + 1) >> 16) << shift;
658}
659
660bool
661rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
662{
663#if XFT
664 XRenderPictFormat *format;
665
666 // FUCKING Xft gets it wrong, of course, so work around it.
667 // Transparency users should eat shit and die, and then
668 // XRenderQueryPictIndexValues themselves plenty.
669 if ((screen->visual->c_class == TrueColor)
670 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
671 {
672 // the fun lies in doing everything manually...
673 c.color.red = color.r;
674 c.color.green = color.g;
675 c.color.blue = color.b;
676 c.color.alpha = color.a;
677
678 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
679 | insert_component (color.g, format->direct.greenMask, format->direct.green)
680 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
681 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
682
683 return true;
684 }
685 else
686 {
687 XRenderColor d;
688
689 d.red = color.r;
690 d.green = color.g;
691 d.blue = color.b;
692 d.alpha = color.a;
693
694 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
695 }
696#else
697 c.red = color.r;
698 c.green = color.g;
699 c.blue = color.b;
700
701 if (screen->visual->c_class == TrueColor)
702 {
703 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
704 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
705 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
706 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
707 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
708 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
709
710 return true;
711 }
712 else if (XAllocColor (screen->dpy, screen->cmap, &c))
713 return true;
714 else
715 c.pixel = (color.r + color.g + color.b) > 128*3
716 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
717 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
718#endif
719
720 return false;
721}
722
538bool 723bool
539rxvt_color::set (rxvt_screen *screen, const char *name) 724rxvt_color::set (rxvt_screen *screen, const char *name)
540{ 725{
726 rgba c;
727 char eos;
728 int skip;
729
730 // parse the nonstandard "[alphapercent]" prefix
731 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
732 {
733 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
734 name += skip;
735 }
736 else
737 c.a = rgba::MAX_CC;
738
739 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
740 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
741 {
742 XColor xc, xc_exact;
743
744 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
745 {
746 c.r = xc.red;
747 c.g = xc.green;
748 c.b = xc.blue;
749 }
750 else
751 {
752 c.r = 0xffff;
753 c.g = 0x6969;
754 c.b = 0xb4b4;
755
756 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
757 }
758 }
759
760 return set (screen, c);
761}
762
763bool
764rxvt_color::set (rxvt_screen *screen, const rgba &color)
765{
766 bool got = alloc (screen, color);
767
768#if !ENABLE_MINIMAL
769 int cmap_size = screen->visual->map_entries;
770
771 if (!got
772 && screen->visual->c_class == PseudoColor
773 && cmap_size < 4096)
774 {
775 XColor *colors = new XColor [screen->visual->map_entries];
776
777 for (int i = 0; i < cmap_size; i++)
778 colors [i].pixel = i;
779
780 // many kilobytes transfer per colour, but pseudocolor isn't worth
781 // many extra optimisations.
782 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
783
784 int diff = 0x7fffffffUL;
785 XColor *best = colors;
786
787 for (int i = 0; i < cmap_size; i++)
788 {
789 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
790 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
791 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
792
793 if (d < diff)
794 {
795 diff = d;
796 best = colors + i;
797 }
798 }
799
800 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
801 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
802
803 got = alloc (screen, rgba (best->red, best->green, best->blue));
804
805 delete colors;
806 }
807#endif
808
809 return got;
810}
811
812void
813rxvt_color::get (rgba &color)
814{
541#if XFT 815#if XFT
542 int l = strlen (name); 816 color.r = c.color.red;
543 rxvt_rgba r; 817 color.g = c.color.green;
544 char eos; 818 color.b = c.color.blue;
545 int mult; 819 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 820#else
561 XColor xc; 821 color.r = c.red;
562 822 color.g = c.green;
563 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 823 color.b = c.blue;
564 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 824 color.a = rgba::MAX_CC;
565
566 return false;
567#endif 825#endif
568} 826}
569 827
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
587 && screen->visual->c_class == TrueColor
588 && screen->visual->red_mask == 0x00ff0000
589 && screen->visual->green_mask == 0x0000ff00
590 && screen->visual->blue_mask == 0x000000ff)
591 c.pixel = c.pixel & 0x00ffffffUL | ((rgba.a >> 8) << 24);
592
593 return true;
594 }
595
596 return false;
597#else
598 XColor xc;
599
600 xc.red = rgba.r;
601 xc.green = rgba.g;
602 xc.blue = rgba.b;
603 xc.flags = DoRed | DoGreen | DoBlue;
604
605 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
606 {
607 p = xc.pixel;
608 return true;
609 }
610
611 return false;
612#endif
613}
614
615void 828void
616rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba) 829rxvt_color::get (XColor &color)
617{ 830{
618#if XFT 831 rgba c;
619 rgba.r = c.color.red; 832 get (c);
620 rgba.g = c.color.green;
621 rgba.b = c.color.blue;
622 rgba.a = c.color.alpha;
623#else
624 XColor c;
625 833
626 c.pixel = p; 834 color.red = c.r;
627 XQueryColor (screen->xdisp, screen->cmap, &c); 835 color.green = c.g;
628 836 color.blue = c.b;
629 rgba.r = c.red; 837 color.pixel = (Pixel)*this;
630 rgba.g = c.green;
631 rgba.b = c.blue;
632 rgba.a = rxvt_rgba::MAX_CC;
633#endif
634} 838}
635 839
636void 840void
637rxvt_color::free (rxvt_screen *screen) 841rxvt_color::free (rxvt_screen *screen)
638{ 842{
843 if (screen->visual->c_class == TrueColor)
844 return; // nothing to do
845
639#if XFT 846#if XFT
640 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 847 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
641#else 848#else
642 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 849 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
643#endif 850#endif
644} 851}
645 852
646rxvt_color 853void
647rxvt_color::fade (rxvt_screen *screen, int percent)
648{
649 rxvt_color faded;
650
651 rxvt_rgba c;
652 get (screen, c);
653
654 c.r = lerp (0, c.r, percent);
655 c.g = lerp (0, c.g, percent);
656 c.b = lerp (0, c.b, percent);
657
658 faded.set (screen, c);
659
660 return faded;
661}
662
663rxvt_color
664rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 854rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
665{ 855{
666 rxvt_rgba c, fc; 856 rgba c;
667 rxvt_color faded; 857 get (c);
668
669 get (screen, c);
670 fadeto.get (screen, fc);
671 858
672 faded.set ( 859 result.set (
673 screen, 860 screen,
674 rxvt_rgba ( 861 rgba (
675 lerp (fc.r, c.r, percent), 862 lerp (c.r, to.r, percent),
676 lerp (fc.g, c.g, percent), 863 lerp (c.g, to.g, percent),
677 lerp (fc.b, c.b, percent), 864 lerp (c.b, to.b, percent),
678 lerp (fc.a, c.a, percent) 865 lerp (c.a, to.a, percent)
679 ) 866 )
680 ); 867 );
681
682 return faded;
683} 868}
684 869

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