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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 1.59 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>
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
247 318
248 // 6. System wide per application default file. 319 // 6. System wide per application default file.
249 320
… …
259 // 5. User's per application default file. 330 // 5. User's per application default file.
260 // none 331 // none
261 332
262 // 4. User's defaults file. 333 // 4. User's defaults file.
263 /* 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
264 displayResource = XResourceManagerString (display); 368 displayResource = XResourceManagerString (dpy);
265 369
266 if (displayResource != NULL) 370 if (displayResource)
267 { 371 {
268 if ((rdb1 = XrmGetStringDatabase (displayResource))) 372 if ((rdb1 = XrmGetStringDatabase (displayResource)))
269 XrmMergeDatabases (rdb1, &database); 373 XrmMergeDatabases (rdb1, &database);
270 } 374 }
271 else if (homedir) 375 else if (homedir)
… …
274 378
275 if ((rdb1 = XrmGetFileDatabase (fname))) 379 if ((rdb1 = XrmGetFileDatabase (fname)))
276 XrmMergeDatabases (rdb1, &database); 380 XrmMergeDatabases (rdb1, &database);
277 } 381 }
278 382
383#if !XLIB_ILLEGAL_ACCESS
384 if (refresh && displayResource)
385 XFree (displayResource);
386#endif
387
279 /* Get screen specific resources */ 388 /* Get screen specific resources */
280 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 389 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
281 390
282 if (displayResource != NULL) 391 if (displayResource)
283 { 392 {
284 if ((rdb1 = XrmGetStringDatabase (displayResource))) 393 if ((rdb1 = XrmGetStringDatabase (displayResource)))
285 /* Merge with screen-independent resources */ 394 /* Merge with screen-independent resources */
286 XrmMergeDatabases (rdb1, &database); 395 XrmMergeDatabases (rdb1, &database);
287 396
… …
315 if (id[0] == ':') 424 if (id[0] == ':')
316 { 425 {
317 val = rxvt_malloc (5 + strlen (id) + 1); 426 val = rxvt_malloc (5 + strlen (id) + 1);
318 strcpy (val, "unix/"); 427 strcpy (val, "unix/");
319 strcat (val, id); 428 strcat (val, id);
320 display = XOpenDisplay (val); 429 dpy = XOpenDisplay (val);
321 free (val); 430 free (val);
322 } 431 }
323 else 432 else
324#endif 433#endif
325 display = 0; 434 dpy = 0;
326 435
327 if (!display) 436 if (!dpy)
328 display = XOpenDisplay (id); 437 dpy = XOpenDisplay (id);
329 438
330 if (!display) 439 if (!dpy)
331 return false; 440 return false;
332 441
333 screen = DefaultScreen (display); 442 screen = DefaultScreen (dpy);
334 root = DefaultRootWindow (display); 443 root = DefaultRootWindow (dpy);
335 444
336 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 445 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
337 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 446 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
338 447
339 XrmSetDatabase (display, get_resources ()); 448 XrmSetDatabase (dpy, get_resources (false));
340 449
341#ifdef POINTER_BLANK 450#ifdef POINTER_BLANK
342 XColor blackcolour; 451 XColor blackcolour;
343 blackcolour.red = 0; 452 blackcolour.red = 0;
344 blackcolour.green = 0; 453 blackcolour.green = 0;
345 blackcolour.blue = 0; 454 blackcolour.blue = 0;
346 Font f = XLoadFont (display, "fixed"); 455 Font f = XLoadFont (dpy, "fixed");
347 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 456 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
348 &blackcolour, &blackcolour); 457 &blackcolour, &blackcolour);
349 XUnloadFont (display, f); 458 XUnloadFont (dpy, f);
350#endif 459#endif
351 460
352 int fd = XConnectionNumber (display); 461 int fd = XConnectionNumber (dpy);
353 462
354#ifndef NO_SLOW_LINK_SUPPORT
355 // try to detect wether we have a local connection. 463 // try to detect wether we have a local connection.
356 // assume unix domains socket == local, everything else not 464 // assume unix domains socket == local, everything else not
357 // TODO: might want to check for inet/127.0.0.1 465 // TODO: might want to check for inet/127.0.0.1
358 is_local = 0; 466 is_local = 0;
359 sockaddr_un sa; 467 sockaddr_un sa;
360 socklen_t sl = sizeof (sa); 468 socklen_t sl = sizeof (sa);
361 469
362 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 470 if (!getsockname (fd, (sockaddr *)&sa, &sl))
363 is_local = sa.sun_family == AF_LOCAL; 471 is_local = sa.sun_family == AF_LOCAL;
364#endif
365 472
366 x_ev.start (fd, EVENT_READ); 473 x_ev.start (fd, EVENT_READ);
367 fcntl (fd, F_SETFD, FD_CLOEXEC); 474 fcntl (fd, F_SETFD, FD_CLOEXEC);
368 475
369 XSelectInput (display, root, PropertyChangeMask); 476 XSelectInput (dpy, root, PropertyChangeMask);
370 477
371 flush (); 478 flush ();
372 479
373 return true; 480 return true;
374} 481}
375 482
376void 483void
377rxvt_display::ref_next () 484rxvt_display::ref_next ()
378{ 485{
379 // TODO: somehow check wether the database files/resources changed 486 // TODO: somehow check wether the database files/resources changed
380 // before re-loading/parsing 487 // before affording re-loading/parsing
381 XrmDestroyDatabase (XrmGetDatabase (display)); 488 XrmDestroyDatabase (XrmGetDatabase (dpy));
382 XrmSetDatabase (display, get_resources ()); 489 XrmSetDatabase (dpy, get_resources (true));
383} 490}
384 491
385rxvt_display::~rxvt_display () 492rxvt_display::~rxvt_display ()
386{ 493{
387 if (!display) 494 if (!dpy)
388 return; 495 return;
389 496
390#ifdef POINTER_BLANK 497#ifdef POINTER_BLANK
391 XFreeCursor (display, blank_cursor); 498 XFreeCursor (dpy, blank_cursor);
392#endif 499#endif
393 x_ev.stop (); 500 x_ev.stop ();
394#ifdef USE_XIM 501#ifdef USE_XIM
395 xims.clear (); 502 xims.clear ();
396#endif 503#endif
397 XCloseDisplay (display); 504 XCloseDisplay (dpy);
398} 505}
399 506
400#ifdef USE_XIM 507#ifdef USE_XIM
401void rxvt_display::im_change_cb () 508void rxvt_display::im_change_cb ()
402{ 509{
… …
410 // registers, as xlib crashes due to a race otherwise. 517 // registers, as xlib crashes due to a race otherwise.
411 Atom actual_type, *atoms; 518 Atom actual_type, *atoms;
412 int actual_format; 519 int actual_format;
413 unsigned long nitems, bytes_after; 520 unsigned long nitems, bytes_after;
414 521
415 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 522 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
416 False, XA_ATOM, &actual_type, &actual_format, 523 False, XA_ATOM, &actual_type, &actual_format,
417 &nitems, &bytes_after, (unsigned char **)&atoms) 524 &nitems, &bytes_after, (unsigned char **)&atoms)
418 != Success ) 525 != Success )
419 return; 526 return;
420 527
421 if (actual_type == XA_ATOM && actual_format == 32) 528 if (actual_type == XA_ATOM && actual_format == 32)
422 for (int i = 0; i < nitems; i++) 529 for (int i = 0; i < nitems; i++)
423 if (XGetSelectionOwner (display, atoms[i])) 530 if (XGetSelectionOwner (dpy, atoms[i]))
424 { 531 {
425 im_change_cb (); 532 im_change_cb ();
426 break; 533 break;
427 } 534 }
428 535
… …
433void rxvt_display::x_cb (io_watcher &w, short revents) 540void rxvt_display::x_cb (io_watcher &w, short revents)
434{ 541{
435 do 542 do
436 { 543 {
437 XEvent xev; 544 XEvent xev;
438 XNextEvent (display, &xev); 545 XNextEvent (dpy, &xev);
439 546
440#ifdef USE_XIM 547#ifdef USE_XIM
441 if (!XFilterEvent (&xev, None)) 548 if (!XFilterEvent (&xev, None))
442 { 549 {
443 if (xev.type == PropertyNotify 550 if (xev.type == PropertyNotify
… …
454 } 561 }
455#ifdef USE_XIM 562#ifdef USE_XIM
456 } 563 }
457#endif 564#endif
458 } 565 }
459 while (XEventsQueued (display, QueuedAlready)); 566 while (XEventsQueued (dpy, QueuedAlready));
460 567
461 XFlush (display); 568 XFlush (dpy);
462} 569}
463 570
464void rxvt_display::flush () 571void rxvt_display::flush ()
465{ 572{
466 if (XEventsQueued (display, QueuedAlready)) 573 if (XEventsQueued (dpy, QueuedAlready))
467 x_cb (x_ev, EVENT_READ); 574 x_cb (x_ev, EVENT_READ);
468 575
469 XFlush (display); 576 XFlush (dpy);
470} 577}
471 578
472void rxvt_display::reg (xevent_watcher *w) 579void rxvt_display::reg (xevent_watcher *w)
473{ 580{
474 xw.push_back (w); 581 xw.push_back (w);
… …
488 595
489 selection_owner = owner; 596 selection_owner = owner;
490} 597}
491 598
492#ifdef USE_XIM 599#ifdef USE_XIM
600
493void rxvt_display::reg (im_watcher *w) 601void rxvt_display::reg (im_watcher *w)
494{ 602{
495 imw.push_back (w); 603 imw.push_back (w);
496} 604}
497 605
… …
521 return xim; 629 return xim;
522} 630}
523 631
524void rxvt_display::put_xim (rxvt_xim *xim) 632void rxvt_display::put_xim (rxvt_xim *xim)
525{ 633{
526#if XLIB_IS_RACEFREE 634# if XLIB_IS_RACEFREE
527 xims.put (xim); 635 xims.put (xim);
528#endif 636# endif
529} 637}
638
530#endif 639#endif
531 640
532Atom rxvt_display::atom (const char *name) 641Atom rxvt_display::atom (const char *name)
533{ 642{
534 return XInternAtom (display, name, False); 643 return XInternAtom (dpy, name, False);
535} 644}
536 645
537///////////////////////////////////////////////////////////////////////////// 646/////////////////////////////////////////////////////////////////////////////
538 647
539template class refcache<rxvt_display>; 648template class refcache<rxvt_display>;
540refcache<rxvt_display> displays; 649refcache<rxvt_display> displays;
541 650
542///////////////////////////////////////////////////////////////////////////// 651/////////////////////////////////////////////////////////////////////////////
543 652//
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
544bool 723bool
545rxvt_color::set (rxvt_screen *screen, const char *name) 724rxvt_color::set (rxvt_screen *screen, const char *name)
546{ 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{
547#if XFT 815#if XFT
548 int l = strlen (name); 816 color.r = c.color.red;
549 rxvt_rgba r; 817 color.g = c.color.green;
550 char eos; 818 color.b = c.color.blue;
551 int mult; 819 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 820#else
567 XColor xc; 821 color.r = c.red;
568 822 color.g = c.green;
569 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 823 color.b = c.blue;
570 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 824 color.a = rgba::MAX_CC;
571
572 return false;
573#endif 825#endif
574} 826}
575 827
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 828void
633rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba) 829rxvt_color::get (XColor &color)
634{ 830{
635#if XFT 831 rgba c;
636 rgba.r = c.color.red; 832 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;
642 833
643 c.pixel = p; 834 color.red = c.r;
644 XQueryColor (screen->xdisp, screen->cmap, &c); 835 color.green = c.g;
645 836 color.blue = c.b;
646 rgba.r = c.red; 837 color.pixel = (Pixel)*this;
647 rgba.g = c.green;
648 rgba.b = c.blue;
649 rgba.a = rxvt_rgba::MAX_CC;
650#endif
651} 838}
652 839
653void 840void
654rxvt_color::free (rxvt_screen *screen) 841rxvt_color::free (rxvt_screen *screen)
655{ 842{
843 if (screen->visual->c_class == TrueColor)
844 return; // nothing to do
845
656#if XFT 846#if XFT
657 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 847 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
658#else 848#else
659 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 849 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
660#endif 850#endif
661} 851}
662 852
663rxvt_color 853void
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) 854rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
682{ 855{
683 rxvt_rgba c, fc; 856 rgba c;
684 rxvt_color faded; 857 get (c);
685
686 get (screen, c);
687 fadeto.get (screen, fc);
688 858
689 faded.set ( 859 result.set (
690 screen, 860 screen,
691 rxvt_rgba ( 861 rgba (
692 lerp (fc.r, c.r, percent), 862 lerp (c.r, to.r, percent),
693 lerp (fc.g, c.g, percent), 863 lerp (c.g, to.g, percent),
694 lerp (fc.b, c.b, percent), 864 lerp (c.b, to.b, percent),
695 lerp (fc.a, c.a, percent) 865 lerp (c.a, to.a, percent)
696 ) 866 )
697 ); 867 );
698
699 return faded;
700} 868}
701 869

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