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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.27 by root, Wed Jan 25 21:09:21 2006 UTC vs.
Revision 1.63 by root, Fri Aug 18 23:03:31 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 depth) 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, depth, TrueColor, &vinfo)) 272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
203 { 273 {
204 this->depth = depth; 274 depth = bitdepth;
205 this->visual = vinfo.visual; 275 visual = vinfo.visual;
206 this->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
318 // as opposed to "standard practise", we always read in ~/.Xdefaults
241 319
242 // 6. System wide per application default file. 320 // 6. System wide per application default file.
243 321
244 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
245 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 323 if ((xe = (char *)getenv ("XAPPLRESDIR")))
… …
252 330
253 // 5. User's per application default file. 331 // 5. User's per application default file.
254 // none 332 // none
255 333
256 // 4. User's defaults file. 334 // 4. User's defaults file.
335 if (homedir)
336 {
337 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
338
339 if ((rdb1 = XrmGetFileDatabase (fname)))
340 XrmMergeDatabases (rdb1, &database);
341 }
342
257 /* Get any Xserver defaults */ 343 /* Get any Xserver defaults */
344 if (refresh)
345 {
346 // fucking xlib keeps a copy of the rm string
347 Atom actual_type;
348 int actual_format;
349 unsigned long nitems, nremaining;
350 char *val = 0;
351
352#if XLIB_ILLEGAL_ACCESS
353 if (dpy->xdefaults)
354 XFree (dpy->xdefaults);
355#endif
356
357 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
358 0L, 100000000L, False,
359 XA_STRING, &actual_type, &actual_format,
360 &nitems, &nremaining,
361 (unsigned char **)&val) == Success
362 && actual_type == XA_STRING
363 && actual_format == 8)
364 displayResource = val;
365 else
366 {
367 displayResource = 0;
368
369 if (val)
370 XFree(val);
371 }
372
373#if XLIB_ILLEGAL_ACCESS
374 dpy->xdefaults = displayResource;
375#endif
376 }
377 else
258 displayResource = XResourceManagerString (display); 378 displayResource = XResourceManagerString (dpy);
259 379
260 if (displayResource != NULL) 380 if (displayResource)
261 { 381 {
262 if ((rdb1 = XrmGetStringDatabase (displayResource))) 382 if ((rdb1 = XrmGetStringDatabase (displayResource)))
263 XrmMergeDatabases (rdb1, &database); 383 XrmMergeDatabases (rdb1, &database);
264 } 384 }
265 else if (homedir)
266 {
267 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
268 385
269 if ((rdb1 = XrmGetFileDatabase (fname))) 386#if !XLIB_ILLEGAL_ACCESS
270 XrmMergeDatabases (rdb1, &database); 387 if (refresh && displayResource)
271 } 388 XFree (displayResource);
389#endif
272 390
273 /* Get screen specific resources */ 391 /* Get screen specific resources */
274 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 392 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
275 393
276 if (displayResource != NULL) 394 if (displayResource)
277 { 395 {
278 if ((rdb1 = XrmGetStringDatabase (displayResource))) 396 if ((rdb1 = XrmGetStringDatabase (displayResource)))
279 /* Merge with screen-independent resources */ 397 /* Merge with screen-independent resources */
280 XrmMergeDatabases (rdb1, &database); 398 XrmMergeDatabases (rdb1, &database);
281 399
… …
309 if (id[0] == ':') 427 if (id[0] == ':')
310 { 428 {
311 val = rxvt_malloc (5 + strlen (id) + 1); 429 val = rxvt_malloc (5 + strlen (id) + 1);
312 strcpy (val, "unix/"); 430 strcpy (val, "unix/");
313 strcat (val, id); 431 strcat (val, id);
314 display = XOpenDisplay (val); 432 dpy = XOpenDisplay (val);
315 free (val); 433 free (val);
316 } 434 }
317 else 435 else
318#endif 436#endif
319 display = 0; 437 dpy = 0;
320 438
321 if (!display) 439 if (!dpy)
322 display = XOpenDisplay (id); 440 dpy = XOpenDisplay (id);
323 441
324 if (!display) 442 if (!dpy)
325 return false; 443 return false;
326 444
327 screen = DefaultScreen (display); 445 screen = DefaultScreen (dpy);
328 root = DefaultRootWindow (display); 446 root = DefaultRootWindow (dpy);
329 447
330 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 448 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
331 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 449 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
332 450
333 XrmSetDatabase (display, get_resources ()); 451 XrmSetDatabase (dpy, get_resources (false));
334 452
335#ifdef POINTER_BLANK 453#ifdef POINTER_BLANK
336 XColor blackcolour; 454 XColor blackcolour;
337 blackcolour.red = 0; 455 blackcolour.red = 0;
338 blackcolour.green = 0; 456 blackcolour.green = 0;
339 blackcolour.blue = 0; 457 blackcolour.blue = 0;
340 Font f = XLoadFont (display, "fixed"); 458 Font f = XLoadFont (dpy, "fixed");
341 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 459 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
342 &blackcolour, &blackcolour); 460 &blackcolour, &blackcolour);
343 XUnloadFont (display, f); 461 XUnloadFont (dpy, f);
344#endif 462#endif
345 463
346 int fd = XConnectionNumber (display); 464 int fd = XConnectionNumber (dpy);
347 465
348#ifndef NO_SLOW_LINK_SUPPORT
349 // try to detect wether we have a local connection. 466 // try to detect wether we have a local connection.
350 // assume unix domains socket == local, everything else not 467 // assume unix domains socket == local, everything else not
351 // TODO: might want to check for inet/127.0.0.1 468 // TODO: might want to check for inet/127.0.0.1
352 is_local = 0; 469 is_local = 0;
353 sockaddr_un sa; 470 sockaddr_un sa;
354 socklen_t sl = sizeof (sa); 471 socklen_t sl = sizeof (sa);
355 472
356 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 473 if (!getsockname (fd, (sockaddr *)&sa, &sl))
357 is_local = sa.sun_family == AF_LOCAL; 474 is_local = sa.sun_family == AF_LOCAL;
358#endif
359 475
360 x_ev.start (fd, EVENT_READ); 476 x_ev.start (fd, EVENT_READ);
361 fcntl (fd, F_SETFD, FD_CLOEXEC); 477 fcntl (fd, F_SETFD, FD_CLOEXEC);
362 478
363 XSelectInput (display, root, PropertyChangeMask); 479 XSelectInput (dpy, root, PropertyChangeMask);
364 480
365 flush (); 481 flush ();
366 482
367 return true; 483 return true;
368} 484}
369 485
370void 486void
371rxvt_display::ref_next () 487rxvt_display::ref_next ()
372{ 488{
373 // TODO: somehow check wether the database files/resources changed 489 // TODO: somehow check wether the database files/resources changed
374 // before re-loading/parsing 490 // before affording re-loading/parsing
375 XrmDestroyDatabase (XrmGetDatabase (display)); 491 XrmDestroyDatabase (XrmGetDatabase (dpy));
376 XrmSetDatabase (display, get_resources ()); 492 XrmSetDatabase (dpy, get_resources (true));
377} 493}
378 494
379rxvt_display::~rxvt_display () 495rxvt_display::~rxvt_display ()
380{ 496{
381 if (!display) 497 if (!dpy)
382 return; 498 return;
383 499
384#ifdef POINTER_BLANK 500#ifdef POINTER_BLANK
385 XFreeCursor (display, blank_cursor); 501 XFreeCursor (dpy, blank_cursor);
386#endif 502#endif
387 x_ev.stop (); 503 x_ev.stop ();
388#ifdef USE_XIM 504#ifdef USE_XIM
389 xims.clear (); 505 xims.clear ();
390#endif 506#endif
391 XCloseDisplay (display); 507 XCloseDisplay (dpy);
392} 508}
393 509
394#ifdef USE_XIM 510#ifdef USE_XIM
395void rxvt_display::im_change_cb () 511void rxvt_display::im_change_cb ()
396{ 512{
… …
404 // registers, as xlib crashes due to a race otherwise. 520 // registers, as xlib crashes due to a race otherwise.
405 Atom actual_type, *atoms; 521 Atom actual_type, *atoms;
406 int actual_format; 522 int actual_format;
407 unsigned long nitems, bytes_after; 523 unsigned long nitems, bytes_after;
408 524
409 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 525 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
410 False, XA_ATOM, &actual_type, &actual_format, 526 False, XA_ATOM, &actual_type, &actual_format,
411 &nitems, &bytes_after, (unsigned char **)&atoms) 527 &nitems, &bytes_after, (unsigned char **)&atoms)
412 != Success ) 528 != Success )
413 return; 529 return;
414 530
415 if (actual_type == XA_ATOM && actual_format == 32) 531 if (actual_type == XA_ATOM && actual_format == 32)
416 for (int i = 0; i < nitems; i++) 532 for (int i = 0; i < nitems; i++)
417 if (XGetSelectionOwner (display, atoms[i])) 533 if (XGetSelectionOwner (dpy, atoms[i]))
418 { 534 {
419 im_change_cb (); 535 im_change_cb ();
420 break; 536 break;
421 } 537 }
422 538
… …
427void rxvt_display::x_cb (io_watcher &w, short revents) 543void rxvt_display::x_cb (io_watcher &w, short revents)
428{ 544{
429 do 545 do
430 { 546 {
431 XEvent xev; 547 XEvent xev;
432 XNextEvent (display, &xev); 548 XNextEvent (dpy, &xev);
433 549
434#ifdef USE_XIM 550#ifdef USE_XIM
435 if (!XFilterEvent (&xev, None)) 551 if (!XFilterEvent (&xev, None))
436 { 552 {
437 if (xev.type == PropertyNotify 553 if (xev.type == PropertyNotify
… …
448 } 564 }
449#ifdef USE_XIM 565#ifdef USE_XIM
450 } 566 }
451#endif 567#endif
452 } 568 }
453 while (XEventsQueued (display, QueuedAlready)); 569 while (XEventsQueued (dpy, QueuedAlready));
454 570
455 XFlush (display); 571 XFlush (dpy);
456} 572}
457 573
458void rxvt_display::flush () 574void rxvt_display::flush ()
459{ 575{
460 if (XEventsQueued (display, QueuedAlready)) 576 if (XEventsQueued (dpy, QueuedAlready))
461 x_cb (x_ev, EVENT_READ); 577 x_cb (x_ev, EVENT_READ);
462 578
463 XFlush (display); 579 XFlush (dpy);
464} 580}
465 581
466void rxvt_display::reg (xevent_watcher *w) 582void rxvt_display::reg (xevent_watcher *w)
467{ 583{
584 if (!w->active)
585 {
468 xw.push_back (w); 586 xw.push_back (w);
469 w->active = xw.size (); 587 w->active = xw.size ();
588 }
470} 589}
471 590
472void rxvt_display::unreg (xevent_watcher *w) 591void rxvt_display::unreg (xevent_watcher *w)
473{ 592{
474 if (w->active) 593 if (w->active)
594 {
475 xw[w->active - 1] = 0; 595 xw[w->active - 1] = 0;
596 w->active = 0;
597 }
476} 598}
477 599
478void rxvt_display::set_selection_owner (rxvt_term *owner) 600void rxvt_display::set_selection_owner (rxvt_term *owner)
479{ 601{
480 if (selection_owner && selection_owner != owner) 602 if (selection_owner && selection_owner != owner)
… …
482 604
483 selection_owner = owner; 605 selection_owner = owner;
484} 606}
485 607
486#ifdef USE_XIM 608#ifdef USE_XIM
609
487void rxvt_display::reg (im_watcher *w) 610void rxvt_display::reg (im_watcher *w)
488{ 611{
489 imw.push_back (w); 612 imw.push_back (w);
490} 613}
491 614
… …
515 return xim; 638 return xim;
516} 639}
517 640
518void rxvt_display::put_xim (rxvt_xim *xim) 641void rxvt_display::put_xim (rxvt_xim *xim)
519{ 642{
520#if XLIB_IS_RACEFREE 643# if XLIB_IS_RACEFREE
521 xims.put (xim); 644 xims.put (xim);
522#endif 645# endif
523} 646}
647
524#endif 648#endif
525 649
526Atom rxvt_display::atom (const char *name) 650Atom rxvt_display::atom (const char *name)
527{ 651{
528 return XInternAtom (display, name, False); 652 return XInternAtom (dpy, name, False);
529} 653}
530 654
531///////////////////////////////////////////////////////////////////////////// 655/////////////////////////////////////////////////////////////////////////////
532 656
533template class refcache<rxvt_display>; 657template class refcache<rxvt_display>;
534refcache<rxvt_display> displays; 658refcache<rxvt_display> displays;
535 659
536///////////////////////////////////////////////////////////////////////////// 660/////////////////////////////////////////////////////////////////////////////
537 661//
662
663static unsigned int
664insert_component (unsigned int value, unsigned int mask, unsigned int shift)
665{
666 return (value * (mask + 1) >> 16) << shift;
667}
668
538bool 669bool
539rxvt_color::set (rxvt_screen *screen, Pixel p) 670rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
540{ 671{
541#if XFT 672#if XFT
542 XColor xc; 673 XRenderPictFormat *format;
543 674
544 xc.pixel = p; 675 // FUCKING Xft gets it wrong, of course, so work around it.
545 if (!XQueryColor (screen->xdisp, screen->cmap, &xc)) 676 // Transparency users should eat shit and die, and then
546 return false; 677 // XRenderQueryPictIndexValues themselves plenty.
678 if ((screen->visual->c_class == TrueColor)
679 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
680 {
681 // the fun lies in doing everything manually...
682 c.color.red = color.r;
683 c.color.green = color.g;
684 c.color.blue = color.b;
685 c.color.alpha = color.a;
547 686
687 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
688 | insert_component (color.g, format->direct.greenMask, format->direct.green)
689 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
690 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
691
692 return true;
693 }
694 else
695 {
548 XRenderColor d; 696 XRenderColor d;
549 697
550 d.red = xc.red; 698 d.red = color.r;
551 d.green = xc.green; 699 d.green = color.g;
552 d.blue = xc.blue; 700 d.blue = color.b;
553 d.alpha = 0xffff; 701 d.alpha = color.a;
554 702
555 return 703 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
556 XftColorAllocValue (screen->xdisp, 704 }
557 screen->visual,
558 screen->cmap,
559 &d, &c);
560#else 705#else
561 this->p = p; 706 c.red = color.r;
562#endif 707 c.green = color.g;
708 c.blue = color.b;
563 709
710 if (screen->visual->c_class == TrueColor)
711 {
712 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
713 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
714 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
715 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
716 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
717 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
718
719 return true;
720 }
721 else if (XAllocColor (screen->dpy, screen->cmap, &c))
564 return true; 722 return true;
723 else
724 c.pixel = (color.r + color.g + color.b) > 128*3
725 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
726 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
727#endif
728
729 return false;
565} 730}
566 731
567bool 732bool
568rxvt_color::set (rxvt_screen *screen, const char *name) 733rxvt_color::set (rxvt_screen *screen, const char *name)
569{ 734{
735 rgba c;
736 char eos;
737 int skip;
738
739 // parse the nonstandard "[alphapercent]" prefix
740 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
741 {
742 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
743 name += skip;
744 }
745 else
746 c.a = rgba::MAX_CC;
747
748 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
749 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
750 {
751 XColor xc, xc_exact;
752
753 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
754 {
755 c.r = xc.red;
756 c.g = xc.green;
757 c.b = xc.blue;
758 }
759 else
760 {
761 c.r = 0xffff;
762 c.g = 0x6969;
763 c.b = 0xb4b4;
764
765 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
766 }
767 }
768
769 return set (screen, c);
770}
771
772bool
773rxvt_color::set (rxvt_screen *screen, const rgba &color)
774{
775 bool got = alloc (screen, color);
776
777#if !ENABLE_MINIMAL
778 int cmap_size = screen->visual->map_entries;
779
780 if (!got
781 && screen->visual->c_class == PseudoColor
782 && cmap_size < 4096)
783 {
784 XColor *colors = new XColor [screen->visual->map_entries];
785
786 for (int i = 0; i < cmap_size; i++)
787 colors [i].pixel = i;
788
789 // many kilobytes transfer per colour, but pseudocolor isn't worth
790 // many extra optimisations.
791 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
792
793 int diff = 0x7fffffffUL;
794 XColor *best = colors;
795
796 for (int i = 0; i < cmap_size; i++)
797 {
798 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
799 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
800 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
801
802 if (d < diff)
803 {
804 diff = d;
805 best = colors + i;
806 }
807 }
808
809 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
810 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
811
812 got = alloc (screen, rgba (best->red, best->green, best->blue));
813
814 delete [] colors;
815 }
816#endif
817
818 return got;
819}
820
821void
822rxvt_color::get (rgba &color)
823{
570#if XFT 824#if XFT
571 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c); 825 color.r = c.color.red;
826 color.g = c.color.green;
827 color.b = c.color.blue;
828 color.a = c.color.alpha;
572#else 829#else
573 XColor xc; 830 color.r = c.red;
574 831 color.g = c.green;
575 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 832 color.b = c.blue;
576 return set (screen, xc.red, xc.green, xc.blue); 833 color.a = rgba::MAX_CC;
577
578 return false;
579#endif 834#endif
580} 835}
581 836
582bool
583rxvt_color::set (rxvt_screen *screen, unsigned short cr, unsigned short cg, unsigned short cb)
584{
585 XColor xc;
586
587 xc.red = cr;
588 xc.green = cg;
589 xc.blue = cb;
590 xc.flags = DoRed | DoGreen | DoBlue;
591
592 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
593 return set (screen, xc.pixel);
594
595 return false;
596}
597
598void 837void
599rxvt_color::get (rxvt_screen *screen, unsigned short &cr, unsigned short &cg, unsigned short &cb) 838rxvt_color::get (XColor &color)
600{ 839{
601#if XFT 840 rgba c;
602 cr = c.color.red; 841 get (c);
603 cg = c.color.green;
604 cb = c.color.blue;
605#else
606 XColor c;
607 842
608 c.pixel = p; 843 color.red = c.r;
609 XQueryColor (screen->xdisp, screen->cmap, &c); 844 color.green = c.g;
610 845 color.blue = c.b;
611 cr = c.red; 846 color.pixel = (Pixel)*this;
612 cg = c.green;
613 cb = c.blue;
614#endif
615} 847}
616 848
617void 849void
618rxvt_color::free (rxvt_screen *screen) 850rxvt_color::free (rxvt_screen *screen)
619{ 851{
852 if (screen->visual->c_class == TrueColor)
853 return; // nothing to do
854
620#if XFT 855#if XFT
621 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 856 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
622#else 857#else
623 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 858 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
624#endif 859#endif
625} 860}
626 861
627rxvt_color 862void
628rxvt_color::fade (rxvt_screen *screen, int percent) 863rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
629{ 864{
630 percent = 100 - percent; 865 rgba c;
866 get (c);
631 867
632 unsigned short cr, cg, cb; 868 result.set (
633 rxvt_color faded;
634
635 get (screen, cr, cg, cb);
636
637 faded.set (
638 screen, 869 screen,
639 cr * percent / 100, 870 rgba (
640 cg * percent / 100, 871 lerp (c.r, to.r, percent),
641 cb * percent / 100 872 lerp (c.g, to.g, percent),
873 lerp (c.b, to.b, percent),
874 lerp (c.a, to.a, percent)
875 )
642 ); 876 );
643
644 return faded;
645} 877}
646 878
647#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
648
649rxvt_color
650rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
651{
652 percent = 100 - percent;
653
654 unsigned short cr, cg, cb;
655 unsigned short fcr, fcg, fcb;
656 rxvt_color faded;
657
658 get (screen, cr, cg, cb);
659 fadeto.get (screen, fcr, fcg, fcb);
660
661 faded.set (
662 screen,
663 LERP (cr, fcr, percent),
664 LERP (cg, fcg, percent),
665 LERP (cb, fcb, percent)
666 );
667
668 return faded;
669}
670

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