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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.43 by root, Tue Jan 31 18:36:35 2006 UTC vs.
Revision 1.98 by root, Sat Jan 26 13:13:20 2008 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) 2003-2007 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
… …
67#endif 64#endif
68#if USE_XIM 65#if USE_XIM
69 "WM_LOCALE_NAME", 66 "WM_LOCALE_NAME",
70 "XIM_SERVERS", 67 "XIM_SERVERS",
71#endif 68#endif
72#ifdef TRANSPARENT 69#ifdef ENABLE_TRANSPARENCY
73 "_XROOTPMAP_ID", 70 "_XROOTPMAP_ID",
74 "ESETROOT_PMAP_ID", 71 "ESETROOT_PMAP_ID",
75#endif 72#endif
76#if ENABLE_XEMBED 73#if ENABLE_XEMBED
77 "_XEMBED", 74 "_XEMBED",
… …
177bool 174bool
178rxvt_xim::ref_init () 175rxvt_xim::ref_init ()
179{ 176{
180 display = GET_R->display; //HACK: TODO 177 display = GET_R->display; //HACK: TODO
181 178
182 xim = XOpenIM (display->display, NULL, NULL, NULL); 179 xim = XOpenIM (display->dpy, 0, 0, 0);
183 180
184 if (!xim) 181 if (!xim)
185 return false; 182 return false;
186 183
187 XIMCallback ximcallback; 184 XIMCallback ximcallback;
188 ximcallback.client_data = (XPointer)this; 185 ximcallback.client_data = (XPointer)this;
189 ximcallback.callback = im_destroy_cb; 186 ximcallback.callback = im_destroy_cb;
190 187
191 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
192 189
193 return true; 190 return true;
194} 191}
195 192
196rxvt_xim::~rxvt_xim () 193rxvt_xim::~rxvt_xim ()
… …
201 198
202#endif 199#endif
203 200
204///////////////////////////////////////////////////////////////////////////// 201/////////////////////////////////////////////////////////////////////////////
205 202
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
206void 253void
207rxvt_screen::set (rxvt_display *disp) 254rxvt_screen::set (rxvt_display *disp)
208{ 255{
209 display = disp; 256 display = disp;
210 xdisp = disp->display; 257 dpy = disp->dpy;
211 258
212 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 259 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
213 260
214 depth = DefaultDepthOfScreen (screen); 261 depth = DefaultDepthOfScreen (screen);
215 visual = DefaultVisualOfScreen (screen); 262 visual = DefaultVisualOfScreen (screen);
216 cmap = DefaultColormapOfScreen (screen); 263 cmap = DefaultColormapOfScreen (screen);
217} 264}
218 265
219void 266void
220rxvt_screen::set (rxvt_display *disp, int bitdepth) 267rxvt_screen::select_visual (int bitdepth)
221{ 268{
222 set (disp);
223
224#if XFT 269#if XFT
225 XVisualInfo vinfo; 270 XVisualInfo vinfo;
226 271
227 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
228 { 273 {
229 depth = bitdepth; 274 depth = bitdepth;
230 visual = vinfo.visual; 275 visual = vinfo.visual;
231 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
232 } 277 }
233#endif 278#endif
234} 279}
235 280
236void 281void
237rxvt_screen::clear () 282rxvt_screen::clear ()
238{ 283{
284#if XFT
285 if (scratch_area)
286 {
287 XFreePixmap (dpy, scratch_area->drawable);
288 delete scratch_area;
289 }
290#endif
291
239 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 292 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
240 XFreeColormap (xdisp, cmap); 293 XFreeColormap (dpy, cmap);
241} 294}
242 295
243///////////////////////////////////////////////////////////////////////////// 296/////////////////////////////////////////////////////////////////////////////
244 297
245rxvt_display::rxvt_display (const char *id) 298rxvt_display::rxvt_display (const char *id)
246: refcounted (id) 299: refcounted (id)
247, x_ev (this, &rxvt_display::x_cb)
248, selection_owner (0) 300, selection_owner (0)
249{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
250} 304}
251 305
252XrmDatabase 306XrmDatabase
253rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
254{ 308{
255 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
256 char fname[1024]; 310 char fname[1024];
257 311
258 /* 312 /*
259 * get resources using the X library function 313 * get resources using the X library function
260 */ 314 */
261 char *displayResource, *xe; 315 char *displayResource, *xe;
262 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
263
264 database = NULL;
265 317
266 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 318 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
319 // as opposed to "standard practise", we always read in ~/.Xdefaults
267 320
268 // 6. System wide per application default file. 321 // 6. System wide per application default file.
269 322
270 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 323 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
271 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 324 if ((xe = getenv ("XAPPLRESDIR")))
272 { 325 {
273 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 326 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
274 327
275 if ((rdb1 = XrmGetFileDatabase (fname))) 328 if ((rdb1 = XrmGetFileDatabase (fname)))
276 XrmMergeDatabases (rdb1, &database); 329 XrmMergeDatabases (rdb1, &database);
… …
278 331
279 // 5. User's per application default file. 332 // 5. User's per application default file.
280 // none 333 // none
281 334
282 // 4. User's defaults file. 335 // 4. User's defaults file.
336 if (homedir)
337 {
338 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
339
340 if ((rdb1 = XrmGetFileDatabase (fname)))
341 XrmMergeDatabases (rdb1, &database);
342 }
343
283 /* Get any Xserver defaults */ 344 /* Get any Xserver defaults */
345 if (refresh)
346 {
347 // fucking xlib keeps a copy of the rm string
348 Atom actual_type;
349 int actual_format;
350 unsigned long nitems, nremaining;
351 char *val = 0;
352
353#if XLIB_ILLEGAL_ACCESS
354 if (dpy->xdefaults)
355 XFree (dpy->xdefaults);
356#endif
357
358 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
359 0L, 100000000L, False,
360 XA_STRING, &actual_type, &actual_format,
361 &nitems, &nremaining,
362 (unsigned char **)&val) == Success
363 && actual_type == XA_STRING
364 && actual_format == 8)
365 displayResource = val;
366 else
367 {
368 displayResource = 0;
369
370 if (val)
371 XFree(val);
372 }
373
374#if XLIB_ILLEGAL_ACCESS
375 dpy->xdefaults = displayResource;
376#endif
377 }
378 else
284 displayResource = XResourceManagerString (display); 379 displayResource = XResourceManagerString (dpy);
285 380
286 if (displayResource != NULL) 381 if (displayResource)
287 { 382 {
288 if ((rdb1 = XrmGetStringDatabase (displayResource))) 383 if ((rdb1 = XrmGetStringDatabase (displayResource)))
289 XrmMergeDatabases (rdb1, &database); 384 XrmMergeDatabases (rdb1, &database);
290 } 385 }
291 else if (homedir)
292 {
293 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
294 386
295 if ((rdb1 = XrmGetFileDatabase (fname))) 387#if !XLIB_ILLEGAL_ACCESS
296 XrmMergeDatabases (rdb1, &database); 388 if (refresh && displayResource)
297 } 389 XFree (displayResource);
390#endif
298 391
299 /* Get screen specific resources */ 392 /* Get screen specific resources */
300 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 393 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
301 394
302 if (displayResource != NULL) 395 if (displayResource)
303 { 396 {
304 if ((rdb1 = XrmGetStringDatabase (displayResource))) 397 if ((rdb1 = XrmGetStringDatabase (displayResource)))
305 /* Merge with screen-independent resources */ 398 /* Merge with screen-independent resources */
306 XrmMergeDatabases (rdb1, &database); 399 XrmMergeDatabases (rdb1, &database);
307 400
308 XFree (displayResource); 401 XFree (displayResource);
309 } 402 }
310 403
311 // 3. User's per host defaults file 404 // 3. User's per host defaults file
312 /* Add in XENVIRONMENT file */ 405 /* Add in XENVIRONMENT file */
313 if ((xe = (char *)getenv ("XENVIRONMENT")) 406 if ((xe = getenv ("XENVIRONMENT"))
314 && (rdb1 = XrmGetFileDatabase (xe))) 407 && (rdb1 = XrmGetFileDatabase (xe)))
315 XrmMergeDatabases (rdb1, &database); 408 XrmMergeDatabases (rdb1, &database);
316 else if (homedir) 409 else if (homedir)
317 { 410 {
318 struct utsname un; 411 struct utsname un;
… …
335 if (id[0] == ':') 428 if (id[0] == ':')
336 { 429 {
337 val = rxvt_malloc (5 + strlen (id) + 1); 430 val = rxvt_malloc (5 + strlen (id) + 1);
338 strcpy (val, "unix/"); 431 strcpy (val, "unix/");
339 strcat (val, id); 432 strcat (val, id);
340 display = XOpenDisplay (val); 433 dpy = XOpenDisplay (val);
341 free (val); 434 free (val);
342 } 435 }
343 else 436 else
344#endif 437#endif
345 display = 0; 438 dpy = 0;
346 439
347 if (!display) 440 if (!dpy)
348 display = XOpenDisplay (id); 441 dpy = XOpenDisplay (id);
349 442
350 if (!display) 443 if (!dpy)
351 return false; 444 return false;
352 445
353 screen = DefaultScreen (display); 446 screen = DefaultScreen (dpy);
354 root = DefaultRootWindow (display); 447 root = DefaultRootWindow (dpy);
355 448
356 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 449 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
357 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 450 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
358 451
359 XrmSetDatabase (display, get_resources ()); 452 XrmSetDatabase (dpy, get_resources (false));
360 453
361#ifdef POINTER_BLANK 454#ifdef POINTER_BLANK
362 XColor blackcolour; 455 XColor blackcolour;
363 blackcolour.red = 0; 456 blackcolour.red = 0;
364 blackcolour.green = 0; 457 blackcolour.green = 0;
365 blackcolour.blue = 0; 458 blackcolour.blue = 0;
366 Font f = XLoadFont (display, "fixed"); 459 Font f = XLoadFont (dpy, "fixed");
367 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 460 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
368 &blackcolour, &blackcolour); 461 &blackcolour, &blackcolour);
369 XUnloadFont (display, f); 462 XUnloadFont (dpy, f);
370#endif 463#endif
371 464
372 int fd = XConnectionNumber (display); 465 int fd = XConnectionNumber (dpy);
373 466
374#ifndef NO_SLOW_LINK_SUPPORT
375 // try to detect wether we have a local connection. 467 // try to detect wether we have a local connection.
376 // assume unix domains socket == local, everything else not 468 // assume unix domain socket == local, everything else not
377 // TODO: might want to check for inet/127.0.0.1 469 // TODO: might want to check for inet/127.0.0.1
378 is_local = 0; 470 is_local = 0;
379 sockaddr_un sa; 471 sockaddr_un sa;
380 socklen_t sl = sizeof (sa); 472 socklen_t sl = sizeof (sa);
381 473
382 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 474 if (!getsockname (fd, (sockaddr *)&sa, &sl))
383 is_local = sa.sun_family == AF_LOCAL; 475 is_local = sa.sun_family == AF_UNIX;
384#endif
385 476
477 flush_ev.start ();
386 x_ev.start (fd, EVENT_READ); 478 x_ev.start (fd, ev::READ);
387 fcntl (fd, F_SETFD, FD_CLOEXEC); 479 fcntl (fd, F_SETFD, FD_CLOEXEC);
388 480
389 XSelectInput (display, root, PropertyChangeMask); 481 XSelectInput (dpy, root, PropertyChangeMask);
390 482
391 flush (); 483 flush ();
392 484
393 return true; 485 return true;
394} 486}
395 487
396void 488void
397rxvt_display::ref_next () 489rxvt_display::ref_next ()
398{ 490{
399 // TODO: somehow check wether the database files/resources changed 491 // TODO: somehow check wether the database files/resources changed
400 // before re-loading/parsing 492 // before affording re-loading/parsing
401 XrmDestroyDatabase (XrmGetDatabase (display)); 493 XrmDestroyDatabase (XrmGetDatabase (dpy));
402 XrmSetDatabase (display, get_resources ()); 494 XrmSetDatabase (dpy, get_resources (true));
403} 495}
404 496
405rxvt_display::~rxvt_display () 497rxvt_display::~rxvt_display ()
406{ 498{
407 if (!display) 499 if (!dpy)
408 return; 500 return;
409 501
410#ifdef POINTER_BLANK 502#ifdef POINTER_BLANK
411 XFreeCursor (display, blank_cursor); 503 XFreeCursor (dpy, blank_cursor);
412#endif 504#endif
413 x_ev.stop (); 505 x_ev.stop ();
506 flush_ev.stop ();
414#ifdef USE_XIM 507#ifdef USE_XIM
415 xims.clear (); 508 xims.clear ();
416#endif 509#endif
417 XCloseDisplay (display); 510 XCloseDisplay (dpy);
418} 511}
419 512
420#ifdef USE_XIM 513#ifdef USE_XIM
421void rxvt_display::im_change_cb () 514void rxvt_display::im_change_cb ()
422{ 515{
… …
430 // registers, as xlib crashes due to a race otherwise. 523 // registers, as xlib crashes due to a race otherwise.
431 Atom actual_type, *atoms; 524 Atom actual_type, *atoms;
432 int actual_format; 525 int actual_format;
433 unsigned long nitems, bytes_after; 526 unsigned long nitems, bytes_after;
434 527
435 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 528 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
436 False, XA_ATOM, &actual_type, &actual_format, 529 False, XA_ATOM, &actual_type, &actual_format,
437 &nitems, &bytes_after, (unsigned char **)&atoms) 530 &nitems, &bytes_after, (unsigned char **)&atoms)
438 != Success ) 531 != Success )
439 return; 532 return;
440 533
441 if (actual_type == XA_ATOM && actual_format == 32) 534 if (actual_type == XA_ATOM && actual_format == 32)
442 for (int i = 0; i < nitems; i++) 535 for (int i = 0; i < nitems; i++)
443 if (XGetSelectionOwner (display, atoms[i])) 536 if (XGetSelectionOwner (dpy, atoms[i]))
444 { 537 {
445 im_change_cb (); 538 im_change_cb ();
446 break; 539 break;
447 } 540 }
448 541
449 XFree (atoms); 542 XFree (atoms);
450} 543}
451#endif 544#endif
452 545
453void rxvt_display::x_cb (io_watcher &w, short revents) 546void rxvt_display::x_cb (ev::io &w, int revents)
454{ 547{
455 do 548 while (XEventsQueued (dpy, QueuedAfterReading))
456 { 549 {
457 XEvent xev; 550 XEvent xev;
458 XNextEvent (display, &xev); 551 XNextEvent (dpy, &xev);
459 552
460#ifdef USE_XIM 553#ifdef USE_XIM
461 if (!XFilterEvent (&xev, None)) 554 if (!XFilterEvent (&xev, None))
555#endif
462 { 556 {
463 if (xev.type == PropertyNotify 557 if (xev.type == PropertyNotify
464 && xev.xany.window == root 558 && xev.xany.window == root
465 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 559 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
466 im_change_check (); 560 im_change_check ();
467#endif 561
562 if (xev.type == MappingNotify)
563 XRefreshKeyboardMapping (&xev.xmapping);
564
468 for (int i = xw.size (); i--; ) 565 for (int i = xw.size (); i--; )
469 { 566 {
470 if (!xw[i]) 567 if (!xw[i])
471 xw.erase_unordered (i); 568 xw.erase_unordered (i);
472 else if (xw[i]->window == xev.xany.window) 569 else if (xw[i]->window == xev.xany.window)
473 xw[i]->call (xev); 570 xw[i]->call (xev);
474 } 571 }
572 }
573 }
574}
575
576void rxvt_display::flush_cb (ev::prepare &w, int revents)
577{
578 while (XEventsQueued (dpy, QueuedAfterFlush))
579 x_cb (x_ev, EV_READ);
580
581 w.stop ();
582}
583
584void rxvt_display::reg (xevent_watcher *w)
585{
586 if (!w->active)
587 {
588 xw.push_back (w);
589 w->active = xw.size ();
590 }
591}
592
593void rxvt_display::unreg (xevent_watcher *w)
594{
595 if (w->active)
596 {
597 xw[w->active - 1] = 0;
598 w->active = 0;
599 }
600}
601
602void rxvt_display::set_selection_owner (rxvt_term *owner)
603{
604 if (selection_owner && selection_owner != owner)
605 {
606 rxvt_term *owner = selection_owner;
607
608 owner->selection_clear ();
609 owner->flush ();
610 }
611
612 selection_owner = owner;
613}
614
475#ifdef USE_XIM 615#ifdef USE_XIM
476 }
477#endif
478 }
479 while (XEventsQueued (display, QueuedAlready));
480 616
481 XFlush (display);
482}
483
484void rxvt_display::flush ()
485{
486 if (XEventsQueued (display, QueuedAlready))
487 x_cb (x_ev, EVENT_READ);
488
489 XFlush (display);
490}
491
492void rxvt_display::reg (xevent_watcher *w)
493{
494 xw.push_back (w);
495 w->active = xw.size ();
496}
497
498void rxvt_display::unreg (xevent_watcher *w)
499{
500 if (w->active)
501 xw[w->active - 1] = 0;
502}
503
504void rxvt_display::set_selection_owner (rxvt_term *owner)
505{
506 if (selection_owner && selection_owner != owner)
507 selection_owner->selection_clear ();
508
509 selection_owner = owner;
510}
511
512#ifdef USE_XIM
513void rxvt_display::reg (im_watcher *w) 617void rxvt_display::reg (im_watcher *w)
514{ 618{
515 imw.push_back (w); 619 imw.push_back (w);
516} 620}
517 621
… …
541 return xim; 645 return xim;
542} 646}
543 647
544void rxvt_display::put_xim (rxvt_xim *xim) 648void rxvt_display::put_xim (rxvt_xim *xim)
545{ 649{
546#if XLIB_IS_RACEFREE 650# if XLIB_IS_RACEFREE
547 xims.put (xim); 651 xims.put (xim);
548#endif 652# endif
549} 653}
654
550#endif 655#endif
551 656
552Atom rxvt_display::atom (const char *name) 657Atom rxvt_display::atom (const char *name)
553{ 658{
554 return XInternAtom (display, name, False); 659 return XInternAtom (dpy, name, False);
555} 660}
556 661
557///////////////////////////////////////////////////////////////////////////// 662/////////////////////////////////////////////////////////////////////////////
558 663
559template class refcache<rxvt_display>; 664template class refcache<rxvt_display>;
560refcache<rxvt_display> displays; 665refcache<rxvt_display> displays;
561 666
562///////////////////////////////////////////////////////////////////////////// 667/////////////////////////////////////////////////////////////////////////////
563 668//
669
670static unsigned int
671insert_component (unsigned int value, unsigned int mask, unsigned int shift)
672{
673 return (value * (mask + 1) >> 16) << shift;
674}
675
564bool 676bool
565rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 677rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
566{ 678{
679 //TODO: only supports 24 bit
680 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
681
567#if XFT 682#if XFT
568 XRenderPictFormat *format; 683 XRenderPictFormat *format;
569 684
570 // FUCKING Xft gets it wrong, of course, so work around it 685 // FUCKING Xft gets it wrong, of course, so work around it.
571 // transparency users should eat shit and die, and then 686 // Transparency users should eat shit and die, and then
572 // XRenderQueryPictIndexValues themselves plenty. 687 // XRenderQueryPictIndexValues themselves plenty.
573 if ((screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor) 688 if ((screen->visual->c_class == TrueColor)
574 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual))) 689 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
575 { 690 {
576 // the fun lies in doing everything manually... 691 // the fun lies in doing everything manually...
577 c.color.red = color.r; 692 c.color.red = color.r;
578 c.color.green = color.g; 693 c.color.green = color.g;
579 c.color.blue = color.b; 694 c.color.blue = color.b;
580 c.color.alpha = color.a; 695 c.color.alpha = alpha;
581 696
582 c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red ) 697 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
583 | ((color.g * format->direct.greenMask / rgba::MAX_CC) << format->direct.green) 698 | insert_component (color.g, format->direct.greenMask, format->direct.green)
584 | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue ) 699 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
585 | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha); 700 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
586 701
587 return true; 702 return true;
588 } 703 }
589 else 704 else
590 { 705 {
591 XRenderColor d; 706 XRenderColor d;
592 707
593 d.red = color.r; 708 d.red = color.r;
594 d.green = color.g; 709 d.green = color.g;
595 d.blue = color.b; 710 d.blue = color.b;
596 d.alpha = color.a; 711 d.alpha = alpha;
597 712
598 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); 713 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
599 } 714 }
600#else 715#else
601 if (screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor)
602 {
603 c.red = color.g; 716 c.red = color.r;
604 c.green = color.g; 717 c.green = color.g;
605 c.blue = color.g; 718 c.blue = color.b;
719
720 if (screen->visual->c_class == TrueColor)
721 {
606 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask )) 722 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
607 / rgba::MAX_CC) << ctz (screen->visual->red_mask ) 723 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
608 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
609 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
610 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask )) 724 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
611 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
612 725
613 return true; 726 return true;
614 } 727 }
728 else if (XAllocColor (screen->dpy, screen->cmap, &c))
729 return true;
615 else 730 else
616 {
617 c.red = color.r;
618 c.green = color.g;
619 c.blue = color.b;
620
621 if (XAllocColor (screen->xdisp, screen->cmap, &c))
622 return true;
623 else
624 c.pixel = (color.r + color.g + color.b) > 128*3 731 c.pixel = (color.r + color.g + color.b) > 128*3
625 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->xdisp)) 732 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
626 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->xdisp)); 733 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
627 }
628#endif 734#endif
629 735
630 return false; 736 return false;
631} 737}
632 738
… …
635{ 741{
636 rgba c; 742 rgba c;
637 char eos; 743 char eos;
638 int skip; 744 int skip;
639 745
746 c.a = rgba::MAX_CC;
747
748 // parse the nonstandard "[alphapercent]" prefix
640 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 749 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
641 { 750 {
642 printf ("X %d\n", c.a);
643 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 751 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
644 name += skip; 752 name += skip;
645 printf ("y %04x\n", c.a);
646 } 753 }
647 else
648 c.a = rgba::MAX_CC;
649 754
650 // parse the non-standard rgba format 755 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
651 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &c.r, &c.g, &c.b, &c.a, &eos)) 756 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
652 { 757 {
653 XColor xc, xc_exact; 758 XColor xc;
654 759
655 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 760 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
656 { 761 {
657 c.r = xc.red; 762 c.r = xc.red;
658 c.g = xc.green; 763 c.g = xc.green;
659 c.b = xc.blue; 764 c.b = xc.blue;
660 } 765 }
… …
685 { 790 {
686 XColor *colors = new XColor [screen->visual->map_entries]; 791 XColor *colors = new XColor [screen->visual->map_entries];
687 792
688 for (int i = 0; i < cmap_size; i++) 793 for (int i = 0; i < cmap_size; i++)
689 colors [i].pixel = i; 794 colors [i].pixel = i;
690 795
691 // many kilobytes transfer per colour, but pseudocolor isn't worth 796 // many kilobytes transfer per colour, but pseudocolor isn't worth
692 // many extra optimisations. 797 // many extra optimisations.
693 XQueryColors (screen->xdisp, screen->cmap, colors, cmap_size); 798 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
694 799
695 int diff = 0x7fffffffUL; 800 int diff = 0x7fffffffUL;
696 XColor *best = colors; 801 XColor *best = colors;
697 802
698 for (int i = 0; i < cmap_size; i++) 803 for (int i = 0; i < cmap_size; i++)
… …
708 } 813 }
709 } 814 }
710 815
711 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 816 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
712 // color.r, color.g, color.b, best->red, best->green, best->blue, diff); 817 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
713 818
714 got = alloc (screen, rgba (best->red, best->green, best->blue)); 819 got = alloc (screen, rgba (best->red, best->green, best->blue));
715 820
716 delete colors; 821 delete [] colors;
717 } 822 }
718#endif 823#endif
719 824
720 return got; 825 return got;
721} 826}
722 827
723void 828void
724rxvt_color::get (rxvt_screen *screen, rgba &color) 829rxvt_color::get (rgba &color)
725{ 830{
726#if XFT 831#if XFT
727 color.r = c.color.red; 832 color.r = c.color.red;
728 color.g = c.color.green; 833 color.g = c.color.green;
729 color.b = c.color.blue; 834 color.b = c.color.blue;
… …
734 color.b = c.blue; 839 color.b = c.blue;
735 color.a = rgba::MAX_CC; 840 color.a = rgba::MAX_CC;
736#endif 841#endif
737} 842}
738 843
739void 844void
845rxvt_color::get (XColor &color)
846{
847 rgba c;
848 get (c);
849
850 color.red = c.r;
851 color.green = c.g;
852 color.blue = c.b;
853 color.pixel = (Pixel)*this;
854}
855
856void
740rxvt_color::free (rxvt_screen *screen) 857rxvt_color::free (rxvt_screen *screen)
741{ 858{
859 if (screen->visual->c_class == TrueColor)
860 return; // nothing to do
861
742#if XFT 862#if XFT
743 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 863 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
744#else 864#else
745 XFreeColors (screen->xdisp, screen->cmap, &c.pixel, 1, AllPlanes); 865 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
746#endif 866#endif
747} 867}
748 868
749void 869void
750rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to) 870rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
751{ 871{
752 rgba c; 872 rgba c;
753 get (screen, c); 873 get (c);
754 874
755 result.set ( 875 result.set (
756 screen, 876 screen,
757 rgba ( 877 rgba (
758 lerp (c.r, to.r, percent), 878 lerp (c.r, to.r, percent),
… …
761 lerp (c.a, to.a, percent) 881 lerp (c.a, to.a, percent)
762 ) 882 )
763 ); 883 );
764} 884}
765 885
886#if TRACE_PIXMAPS
887# undef XCreatePixmap
888# undef XFreePixmap
889Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
890{
891 Pixmap res = XCreatePixmap (dpy, r, w, h, d);
892 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
893 return res;
894}
895
896void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
897{
898 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
899 XFreePixmap (dpy,p);
900}
901#endif

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