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

Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.31 by root, Sun Jan 29 22:27:04 2006 UTC vs.
Revision 1.58 by root, Wed Jul 5 19:22:15 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}
… …
202 set (disp); 269 set (disp);
203 270
204#if XFT 271#if XFT
205 XVisualInfo vinfo; 272 XVisualInfo vinfo;
206 273
207 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 274 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
208 { 275 {
209 depth = bitdepth; 276 depth = bitdepth;
210 visual = vinfo.visual; 277 visual = vinfo.visual;
211 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 278 cmap = XCreateColormap (dpy, disp->root, visual, AllocNone);
212 } 279 }
213#endif 280#endif
214} 281}
215 282
216void 283void
217rxvt_screen::clear () 284rxvt_screen::clear ()
218{ 285{
286#if XFT
287 if (scratch_area)
288 {
289 XFreePixmap (dpy, scratch_area->drawable);
290 delete scratch_area;
291 }
292#endif
293
219 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 294 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
220 XFreeColormap (xdisp, cmap); 295 XFreeColormap (dpy, cmap);
221} 296}
222 297
223///////////////////////////////////////////////////////////////////////////// 298/////////////////////////////////////////////////////////////////////////////
224 299
225rxvt_display::rxvt_display (const char *id) 300rxvt_display::rxvt_display (const char *id)
… …
228, selection_owner (0) 303, selection_owner (0)
229{ 304{
230} 305}
231 306
232XrmDatabase 307XrmDatabase
233rxvt_display::get_resources () 308rxvt_display::get_resources (bool refresh)
234{ 309{
235 char *homedir = (char *)getenv ("HOME"); 310 char *homedir = (char *)getenv ("HOME");
236 char fname[1024]; 311 char fname[1024];
237 312
238 /* 313 /*
239 * get resources using the X library function 314 * get resources using the X library function
240 */ 315 */
241 char *displayResource, *xe; 316 char *displayResource, *xe;
242 XrmDatabase database, rdb1; 317 XrmDatabase rdb1, database = 0;
243
244 database = NULL;
245 318
246 // 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
247 320
248 // 6. System wide per application default file. 321 // 6. System wide per application default file.
249 322
… …
259 // 5. User's per application default file. 332 // 5. User's per application default file.
260 // none 333 // none
261 334
262 // 4. User's defaults file. 335 // 4. User's defaults file.
263 /* 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
264 displayResource = XResourceManagerString (display); 370 displayResource = XResourceManagerString (dpy);
265 371
266 if (displayResource != NULL) 372 if (displayResource)
267 { 373 {
268 if ((rdb1 = XrmGetStringDatabase (displayResource))) 374 if ((rdb1 = XrmGetStringDatabase (displayResource)))
269 XrmMergeDatabases (rdb1, &database); 375 XrmMergeDatabases (rdb1, &database);
270 } 376 }
271 else if (homedir) 377 else if (homedir)
… …
274 380
275 if ((rdb1 = XrmGetFileDatabase (fname))) 381 if ((rdb1 = XrmGetFileDatabase (fname)))
276 XrmMergeDatabases (rdb1, &database); 382 XrmMergeDatabases (rdb1, &database);
277 } 383 }
278 384
385#if !XLIB_ILLEGAL_ACCESS
386 if (refresh && displayResource)
387 XFree (displayResource);
388#endif
389
279 /* Get screen specific resources */ 390 /* Get screen specific resources */
280 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 391 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
281 392
282 if (displayResource != NULL) 393 if (displayResource)
283 { 394 {
284 if ((rdb1 = XrmGetStringDatabase (displayResource))) 395 if ((rdb1 = XrmGetStringDatabase (displayResource)))
285 /* Merge with screen-independent resources */ 396 /* Merge with screen-independent resources */
286 XrmMergeDatabases (rdb1, &database); 397 XrmMergeDatabases (rdb1, &database);
287 398
… …
315 if (id[0] == ':') 426 if (id[0] == ':')
316 { 427 {
317 val = rxvt_malloc (5 + strlen (id) + 1); 428 val = rxvt_malloc (5 + strlen (id) + 1);
318 strcpy (val, "unix/"); 429 strcpy (val, "unix/");
319 strcat (val, id); 430 strcat (val, id);
320 display = XOpenDisplay (val); 431 dpy = XOpenDisplay (val);
321 free (val); 432 free (val);
322 } 433 }
323 else 434 else
324#endif 435#endif
325 display = 0; 436 dpy = 0;
326 437
327 if (!display) 438 if (!dpy)
328 display = XOpenDisplay (id); 439 dpy = XOpenDisplay (id);
329 440
330 if (!display) 441 if (!dpy)
331 return false; 442 return false;
332 443
333 screen = DefaultScreen (display); 444 screen = DefaultScreen (dpy);
334 root = DefaultRootWindow (display); 445 root = DefaultRootWindow (dpy);
335 446
336 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 447 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
337 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 448 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
338 449
339 XrmSetDatabase (display, get_resources ()); 450 XrmSetDatabase (dpy, get_resources (false));
340 451
341#ifdef POINTER_BLANK 452#ifdef POINTER_BLANK
342 XColor blackcolour; 453 XColor blackcolour;
343 blackcolour.red = 0; 454 blackcolour.red = 0;
344 blackcolour.green = 0; 455 blackcolour.green = 0;
345 blackcolour.blue = 0; 456 blackcolour.blue = 0;
346 Font f = XLoadFont (display, "fixed"); 457 Font f = XLoadFont (dpy, "fixed");
347 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 458 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
348 &blackcolour, &blackcolour); 459 &blackcolour, &blackcolour);
349 XUnloadFont (display, f); 460 XUnloadFont (dpy, f);
350#endif 461#endif
351 462
352 int fd = XConnectionNumber (display); 463 int fd = XConnectionNumber (dpy);
353 464
354#ifndef NO_SLOW_LINK_SUPPORT
355 // try to detect wether we have a local connection. 465 // try to detect wether we have a local connection.
356 // assume unix domains socket == local, everything else not 466 // assume unix domains socket == local, everything else not
357 // TODO: might want to check for inet/127.0.0.1 467 // TODO: might want to check for inet/127.0.0.1
358 is_local = 0; 468 is_local = 0;
359 sockaddr_un sa; 469 sockaddr_un sa;
360 socklen_t sl = sizeof (sa); 470 socklen_t sl = sizeof (sa);
361 471
362 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 472 if (!getsockname (fd, (sockaddr *)&sa, &sl))
363 is_local = sa.sun_family == AF_LOCAL; 473 is_local = sa.sun_family == AF_LOCAL;
364#endif
365 474
366 x_ev.start (fd, EVENT_READ); 475 x_ev.start (fd, EVENT_READ);
367 fcntl (fd, F_SETFD, FD_CLOEXEC); 476 fcntl (fd, F_SETFD, FD_CLOEXEC);
368 477
369 XSelectInput (display, root, PropertyChangeMask); 478 XSelectInput (dpy, root, PropertyChangeMask);
370 479
371 flush (); 480 flush ();
372 481
373 return true; 482 return true;
374} 483}
375 484
376void 485void
377rxvt_display::ref_next () 486rxvt_display::ref_next ()
378{ 487{
379 // TODO: somehow check wether the database files/resources changed 488 // TODO: somehow check wether the database files/resources changed
380 // before re-loading/parsing 489 // before affording re-loading/parsing
381 XrmDestroyDatabase (XrmGetDatabase (display)); 490 XrmDestroyDatabase (XrmGetDatabase (dpy));
382 XrmSetDatabase (display, get_resources ()); 491 XrmSetDatabase (dpy, get_resources (true));
383} 492}
384 493
385rxvt_display::~rxvt_display () 494rxvt_display::~rxvt_display ()
386{ 495{
387 if (!display) 496 if (!dpy)
388 return; 497 return;
389 498
390#ifdef POINTER_BLANK 499#ifdef POINTER_BLANK
391 XFreeCursor (display, blank_cursor); 500 XFreeCursor (dpy, blank_cursor);
392#endif 501#endif
393 x_ev.stop (); 502 x_ev.stop ();
394#ifdef USE_XIM 503#ifdef USE_XIM
395 xims.clear (); 504 xims.clear ();
396#endif 505#endif
397 XCloseDisplay (display); 506 XCloseDisplay (dpy);
398} 507}
399 508
400#ifdef USE_XIM 509#ifdef USE_XIM
401void rxvt_display::im_change_cb () 510void rxvt_display::im_change_cb ()
402{ 511{
… …
410 // registers, as xlib crashes due to a race otherwise. 519 // registers, as xlib crashes due to a race otherwise.
411 Atom actual_type, *atoms; 520 Atom actual_type, *atoms;
412 int actual_format; 521 int actual_format;
413 unsigned long nitems, bytes_after; 522 unsigned long nitems, bytes_after;
414 523
415 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 524 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
416 False, XA_ATOM, &actual_type, &actual_format, 525 False, XA_ATOM, &actual_type, &actual_format,
417 &nitems, &bytes_after, (unsigned char **)&atoms) 526 &nitems, &bytes_after, (unsigned char **)&atoms)
418 != Success ) 527 != Success )
419 return; 528 return;
420 529
421 if (actual_type == XA_ATOM && actual_format == 32) 530 if (actual_type == XA_ATOM && actual_format == 32)
422 for (int i = 0; i < nitems; i++) 531 for (int i = 0; i < nitems; i++)
423 if (XGetSelectionOwner (display, atoms[i])) 532 if (XGetSelectionOwner (dpy, atoms[i]))
424 { 533 {
425 im_change_cb (); 534 im_change_cb ();
426 break; 535 break;
427 } 536 }
428 537
… …
433void rxvt_display::x_cb (io_watcher &w, short revents) 542void rxvt_display::x_cb (io_watcher &w, short revents)
434{ 543{
435 do 544 do
436 { 545 {
437 XEvent xev; 546 XEvent xev;
438 XNextEvent (display, &xev); 547 XNextEvent (dpy, &xev);
439 548
440#ifdef USE_XIM 549#ifdef USE_XIM
441 if (!XFilterEvent (&xev, None)) 550 if (!XFilterEvent (&xev, None))
442 { 551 {
443 if (xev.type == PropertyNotify 552 if (xev.type == PropertyNotify
… …
454 } 563 }
455#ifdef USE_XIM 564#ifdef USE_XIM
456 } 565 }
457#endif 566#endif
458 } 567 }
459 while (XEventsQueued (display, QueuedAlready)); 568 while (XEventsQueued (dpy, QueuedAlready));
460 569
461 XFlush (display); 570 XFlush (dpy);
462} 571}
463 572
464void rxvt_display::flush () 573void rxvt_display::flush ()
465{ 574{
466 if (XEventsQueued (display, QueuedAlready)) 575 if (XEventsQueued (dpy, QueuedAlready))
467 x_cb (x_ev, EVENT_READ); 576 x_cb (x_ev, EVENT_READ);
468 577
469 XFlush (display); 578 XFlush (dpy);
470} 579}
471 580
472void rxvt_display::reg (xevent_watcher *w) 581void rxvt_display::reg (xevent_watcher *w)
473{ 582{
474 xw.push_back (w); 583 xw.push_back (w);
… …
488 597
489 selection_owner = owner; 598 selection_owner = owner;
490} 599}
491 600
492#ifdef USE_XIM 601#ifdef USE_XIM
602
493void rxvt_display::reg (im_watcher *w) 603void rxvt_display::reg (im_watcher *w)
494{ 604{
495 imw.push_back (w); 605 imw.push_back (w);
496} 606}
497 607
… …
521 return xim; 631 return xim;
522} 632}
523 633
524void rxvt_display::put_xim (rxvt_xim *xim) 634void rxvt_display::put_xim (rxvt_xim *xim)
525{ 635{
526#if XLIB_IS_RACEFREE 636# if XLIB_IS_RACEFREE
527 xims.put (xim); 637 xims.put (xim);
528#endif 638# endif
529} 639}
640
530#endif 641#endif
531 642
532Atom rxvt_display::atom (const char *name) 643Atom rxvt_display::atom (const char *name)
533{ 644{
534 return XInternAtom (display, name, False); 645 return XInternAtom (dpy, name, False);
535} 646}
536 647
537///////////////////////////////////////////////////////////////////////////// 648/////////////////////////////////////////////////////////////////////////////
538 649
539template class refcache<rxvt_display>; 650template class refcache<rxvt_display>;
540refcache<rxvt_display> displays; 651refcache<rxvt_display> displays;
541 652
542///////////////////////////////////////////////////////////////////////////// 653/////////////////////////////////////////////////////////////////////////////
543 654//
655
656static unsigned int
657insert_component (unsigned int value, unsigned int mask, unsigned int shift)
658{
659 return (value * (mask + 1) >> 16) << shift;
660}
661
662bool
663rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
664{
665#if XFT
666 XRenderPictFormat *format;
667
668 // FUCKING Xft gets it wrong, of course, so work around it.
669 // Transparency users should eat shit and die, and then
670 // XRenderQueryPictIndexValues themselves plenty.
671 if ((screen->visual->c_class == TrueColor)
672 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
673 {
674 // the fun lies in doing everything manually...
675 c.color.red = color.r;
676 c.color.green = color.g;
677 c.color.blue = color.b;
678 c.color.alpha = color.a;
679
680 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
681 | insert_component (color.g, format->direct.greenMask, format->direct.green)
682 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
683 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
684
685 return true;
686 }
687 else
688 {
689 XRenderColor d;
690
691 d.red = color.r;
692 d.green = color.g;
693 d.blue = color.b;
694 d.alpha = color.a;
695
696 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
697 }
698#else
699 c.red = color.r;
700 c.green = color.g;
701 c.blue = color.b;
702
703 if (screen->visual->c_class == TrueColor)
704 {
705 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
706 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
707 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
708 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
709 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
710 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
711
712 return true;
713 }
714 else if (XAllocColor (screen->dpy, screen->cmap, &c))
715 return true;
716 else
717 c.pixel = (color.r + color.g + color.b) > 128*3
718 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
719 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
720#endif
721
722 return false;
723}
724
544bool 725bool
545rxvt_color::set (rxvt_screen *screen, const char *name) 726rxvt_color::set (rxvt_screen *screen, const char *name)
546{ 727{
728 rgba c;
729 char eos;
730 int skip;
731
732 // parse the nonstandard "[alphapercent]" prefix
733 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
734 {
735 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
736 name += skip;
737 }
738 else
739 c.a = rgba::MAX_CC;
740
741 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
742 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
743 {
744 XColor xc, xc_exact;
745
746 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
747 {
748 c.r = xc.red;
749 c.g = xc.green;
750 c.b = xc.blue;
751 }
752 else
753 {
754 c.r = 0xffff;
755 c.g = 0x6969;
756 c.b = 0xb4b4;
757
758 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
759 }
760 }
761
762 return set (screen, c);
763}
764
765bool
766rxvt_color::set (rxvt_screen *screen, const rgba &color)
767{
768 bool got = alloc (screen, color);
769
770#if !ENABLE_MINIMAL
771 int cmap_size = screen->visual->map_entries;
772
773 if (!got
774 && screen->visual->c_class == PseudoColor
775 && cmap_size < 4096)
776 {
777 XColor *colors = new XColor [screen->visual->map_entries];
778
779 for (int i = 0; i < cmap_size; i++)
780 colors [i].pixel = i;
781
782 // many kilobytes transfer per colour, but pseudocolor isn't worth
783 // many extra optimisations.
784 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
785
786 int diff = 0x7fffffffUL;
787 XColor *best = colors;
788
789 for (int i = 0; i < cmap_size; i++)
790 {
791 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
792 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
793 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
794
795 if (d < diff)
796 {
797 diff = d;
798 best = colors + i;
799 }
800 }
801
802 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
803 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
804
805 got = alloc (screen, rgba (best->red, best->green, best->blue));
806
807 delete colors;
808 }
809#endif
810
811 return got;
812}
813
814void
815rxvt_color::get (rgba &color)
816{
547#if XFT 817#if XFT
548 int l = strlen (name); 818 color.r = c.color.red;
549 rxvt_rgba r; 819 color.g = c.color.green;
550 char eos; 820 color.b = c.color.blue;
551 int mult; 821 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 822#else
567 XColor xc; 823 color.r = c.red;
568 824 color.g = c.green;
569 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 825 color.b = c.blue;
570 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 826 color.a = rgba::MAX_CC;
571
572 return false;
573#endif 827#endif
574} 828}
575 829
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 830void
633rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba) 831rxvt_color::get (XColor &color)
634{ 832{
635#if XFT 833 rgba c;
636 rgba.r = c.color.red; 834 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;
642 835
643 c.pixel = p; 836 color.red = c.r;
644 XQueryColor (screen->xdisp, screen->cmap, &c); 837 color.green = c.g;
645 838 color.blue = c.b;
646 rgba.r = c.red; 839 color.pixel = (Pixel)*this;
647 rgba.g = c.green;
648 rgba.b = c.blue;
649 rgba.a = rxvt_rgba::MAX_CC;
650#endif
651} 840}
652 841
653void 842void
654rxvt_color::free (rxvt_screen *screen) 843rxvt_color::free (rxvt_screen *screen)
655{ 844{
845 if (screen->visual->c_class == TrueColor)
846 return; // nothing to do
847
656#if XFT 848#if XFT
657 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 849 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
658#else 850#else
659 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 851 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
660#endif 852#endif
661} 853}
662 854
663rxvt_color 855void
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) 856rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
682{ 857{
683 rxvt_rgba c, fc; 858 rgba c;
684 rxvt_color faded; 859 get (c);
685
686 get (screen, c);
687 fadeto.get (screen, fc);
688 860
689 faded.set ( 861 result.set (
690 screen, 862 screen,
691 rxvt_rgba ( 863 rgba (
692 lerp (fc.r, c.r, percent), 864 lerp (c.r, to.r, percent),
693 lerp (fc.g, c.g, percent), 865 lerp (c.g, to.g, percent),
694 lerp (fc.b, c.b, percent), 866 lerp (c.b, to.b, percent),
695 lerp (fc.a, c.a, percent) 867 lerp (c.a, to.a, percent)
696 ) 868 )
697 ); 869 );
698
699 return faded;
700} 870}
701 871

Diff Legend

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