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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.33 by root, Sun Jan 29 22:39:26 2006 UTC vs.
Revision 1.70 by sasha, Thu Jul 12 22:33:16 2007 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 ENABLE_TRANSPARENCY
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
318 // as opposed to "standard practise", we always read in ~/.Xdefaults
247 319
248 // 6. System wide per application default file. 320 // 6. System wide per application default file.
249 321
250 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
251 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 323 if ((xe = (char *)getenv ("XAPPLRESDIR")))
… …
258 330
259 // 5. User's per application default file. 331 // 5. User's per application default file.
260 // none 332 // none
261 333
262 // 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
263 /* 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
264 displayResource = XResourceManagerString (display); 378 displayResource = XResourceManagerString (dpy);
265 379
266 if (displayResource != NULL) 380 if (displayResource)
267 { 381 {
268 if ((rdb1 = XrmGetStringDatabase (displayResource))) 382 if ((rdb1 = XrmGetStringDatabase (displayResource)))
269 XrmMergeDatabases (rdb1, &database); 383 XrmMergeDatabases (rdb1, &database);
270 } 384 }
271 else if (homedir)
272 {
273 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
274 385
275 if ((rdb1 = XrmGetFileDatabase (fname))) 386#if !XLIB_ILLEGAL_ACCESS
276 XrmMergeDatabases (rdb1, &database); 387 if (refresh && displayResource)
277 } 388 XFree (displayResource);
389#endif
278 390
279 /* Get screen specific resources */ 391 /* Get screen specific resources */
280 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 392 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
281 393
282 if (displayResource != NULL) 394 if (displayResource)
283 { 395 {
284 if ((rdb1 = XrmGetStringDatabase (displayResource))) 396 if ((rdb1 = XrmGetStringDatabase (displayResource)))
285 /* Merge with screen-independent resources */ 397 /* Merge with screen-independent resources */
286 XrmMergeDatabases (rdb1, &database); 398 XrmMergeDatabases (rdb1, &database);
287 399
… …
315 if (id[0] == ':') 427 if (id[0] == ':')
316 { 428 {
317 val = rxvt_malloc (5 + strlen (id) + 1); 429 val = rxvt_malloc (5 + strlen (id) + 1);
318 strcpy (val, "unix/"); 430 strcpy (val, "unix/");
319 strcat (val, id); 431 strcat (val, id);
320 display = XOpenDisplay (val); 432 dpy = XOpenDisplay (val);
321 free (val); 433 free (val);
322 } 434 }
323 else 435 else
324#endif 436#endif
325 display = 0; 437 dpy = 0;
326 438
327 if (!display) 439 if (!dpy)
328 display = XOpenDisplay (id); 440 dpy = XOpenDisplay (id);
329 441
330 if (!display) 442 if (!dpy)
331 return false; 443 return false;
332 444
333 screen = DefaultScreen (display); 445 screen = DefaultScreen (dpy);
334 root = DefaultRootWindow (display); 446 root = DefaultRootWindow (dpy);
335 447
336 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 448 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
337 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 449 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
338 450
339 XrmSetDatabase (display, get_resources ()); 451 XrmSetDatabase (dpy, get_resources (false));
340 452
341#ifdef POINTER_BLANK 453#ifdef POINTER_BLANK
342 XColor blackcolour; 454 XColor blackcolour;
343 blackcolour.red = 0; 455 blackcolour.red = 0;
344 blackcolour.green = 0; 456 blackcolour.green = 0;
345 blackcolour.blue = 0; 457 blackcolour.blue = 0;
346 Font f = XLoadFont (display, "fixed"); 458 Font f = XLoadFont (dpy, "fixed");
347 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 459 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
348 &blackcolour, &blackcolour); 460 &blackcolour, &blackcolour);
349 XUnloadFont (display, f); 461 XUnloadFont (dpy, f);
350#endif 462#endif
351 463
352 int fd = XConnectionNumber (display); 464 int fd = XConnectionNumber (dpy);
353 465
354#ifndef NO_SLOW_LINK_SUPPORT
355 // try to detect wether we have a local connection. 466 // try to detect wether we have a local connection.
356 // assume unix domains socket == local, everything else not 467 // assume unix domains socket == local, everything else not
357 // TODO: might want to check for inet/127.0.0.1 468 // TODO: might want to check for inet/127.0.0.1
358 is_local = 0; 469 is_local = 0;
359 sockaddr_un sa; 470 sockaddr_un sa;
360 socklen_t sl = sizeof (sa); 471 socklen_t sl = sizeof (sa);
361 472
362 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 473 if (!getsockname (fd, (sockaddr *)&sa, &sl))
363 is_local = sa.sun_family == AF_LOCAL; 474 is_local = sa.sun_family == AF_UNIX;
364#endif
365 475
366 x_ev.start (fd, EVENT_READ); 476 x_ev.start (fd, EVENT_READ);
367 fcntl (fd, F_SETFD, FD_CLOEXEC); 477 fcntl (fd, F_SETFD, FD_CLOEXEC);
368 478
369 XSelectInput (display, root, PropertyChangeMask); 479 XSelectInput (dpy, root, PropertyChangeMask);
370 480
371 flush (); 481 flush ();
372 482
373 return true; 483 return true;
374} 484}
375 485
376void 486void
377rxvt_display::ref_next () 487rxvt_display::ref_next ()
378{ 488{
379 // TODO: somehow check wether the database files/resources changed 489 // TODO: somehow check wether the database files/resources changed
380 // before re-loading/parsing 490 // before affording re-loading/parsing
381 XrmDestroyDatabase (XrmGetDatabase (display)); 491 XrmDestroyDatabase (XrmGetDatabase (dpy));
382 XrmSetDatabase (display, get_resources ()); 492 XrmSetDatabase (dpy, get_resources (true));
383} 493}
384 494
385rxvt_display::~rxvt_display () 495rxvt_display::~rxvt_display ()
386{ 496{
387 if (!display) 497 if (!dpy)
388 return; 498 return;
389 499
390#ifdef POINTER_BLANK 500#ifdef POINTER_BLANK
391 XFreeCursor (display, blank_cursor); 501 XFreeCursor (dpy, blank_cursor);
392#endif 502#endif
393 x_ev.stop (); 503 x_ev.stop ();
394#ifdef USE_XIM 504#ifdef USE_XIM
395 xims.clear (); 505 xims.clear ();
396#endif 506#endif
397 XCloseDisplay (display); 507 XCloseDisplay (dpy);
398} 508}
399 509
400#ifdef USE_XIM 510#ifdef USE_XIM
401void rxvt_display::im_change_cb () 511void rxvt_display::im_change_cb ()
402{ 512{
… …
410 // registers, as xlib crashes due to a race otherwise. 520 // registers, as xlib crashes due to a race otherwise.
411 Atom actual_type, *atoms; 521 Atom actual_type, *atoms;
412 int actual_format; 522 int actual_format;
413 unsigned long nitems, bytes_after; 523 unsigned long nitems, bytes_after;
414 524
415 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 525 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
416 False, XA_ATOM, &actual_type, &actual_format, 526 False, XA_ATOM, &actual_type, &actual_format,
417 &nitems, &bytes_after, (unsigned char **)&atoms) 527 &nitems, &bytes_after, (unsigned char **)&atoms)
418 != Success ) 528 != Success )
419 return; 529 return;
420 530
421 if (actual_type == XA_ATOM && actual_format == 32) 531 if (actual_type == XA_ATOM && actual_format == 32)
422 for (int i = 0; i < nitems; i++) 532 for (int i = 0; i < nitems; i++)
423 if (XGetSelectionOwner (display, atoms[i])) 533 if (XGetSelectionOwner (dpy, atoms[i]))
424 { 534 {
425 im_change_cb (); 535 im_change_cb ();
426 break; 536 break;
427 } 537 }
428 538
… …
433void rxvt_display::x_cb (io_watcher &w, short revents) 543void rxvt_display::x_cb (io_watcher &w, short revents)
434{ 544{
435 do 545 do
436 { 546 {
437 XEvent xev; 547 XEvent xev;
438 XNextEvent (display, &xev); 548 XNextEvent (dpy, &xev);
439 549
440#ifdef USE_XIM 550#ifdef USE_XIM
441 if (!XFilterEvent (&xev, None)) 551 if (!XFilterEvent (&xev, None))
442 { 552 {
443 if (xev.type == PropertyNotify 553 if (xev.type == PropertyNotify
444 && xev.xany.window == root 554 && xev.xany.window == root
445 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 555 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
446 im_change_check (); 556 im_change_check ();
447#endif 557#endif
558 if (xev.type == MappingNotify)
559 XRefreshKeyboardMapping (&xev.xmapping);
560
448 for (int i = xw.size (); i--; ) 561 for (int i = xw.size (); i--; )
449 { 562 {
450 if (!xw[i]) 563 if (!xw[i])
451 xw.erase_unordered (i); 564 xw.erase_unordered (i);
452 else if (xw[i]->window == xev.xany.window) 565 else if (xw[i]->window == xev.xany.window)
… …
454 } 567 }
455#ifdef USE_XIM 568#ifdef USE_XIM
456 } 569 }
457#endif 570#endif
458 } 571 }
459 while (XEventsQueued (display, QueuedAlready)); 572 while (XEventsQueued (dpy, QueuedAlready));
460 573
461 XFlush (display); 574 XFlush (dpy);
462} 575}
463 576
464void rxvt_display::flush () 577void rxvt_display::flush ()
465{ 578{
466 if (XEventsQueued (display, QueuedAlready)) 579 if (XEventsQueued (dpy, QueuedAlready))
467 x_cb (x_ev, EVENT_READ); 580 x_cb (x_ev, EVENT_READ);
468 581
469 XFlush (display); 582 XFlush (dpy);
470} 583}
471 584
472void rxvt_display::reg (xevent_watcher *w) 585void rxvt_display::reg (xevent_watcher *w)
473{ 586{
587 if (!w->active)
588 {
474 xw.push_back (w); 589 xw.push_back (w);
475 w->active = xw.size (); 590 w->active = xw.size ();
591 }
476} 592}
477 593
478void rxvt_display::unreg (xevent_watcher *w) 594void rxvt_display::unreg (xevent_watcher *w)
479{ 595{
480 if (w->active) 596 if (w->active)
597 {
481 xw[w->active - 1] = 0; 598 xw[w->active - 1] = 0;
599 w->active = 0;
600 }
482} 601}
483 602
484void rxvt_display::set_selection_owner (rxvt_term *owner) 603void rxvt_display::set_selection_owner (rxvt_term *owner)
485{ 604{
486 if (selection_owner && selection_owner != owner) 605 if (selection_owner && selection_owner != owner)
… …
488 607
489 selection_owner = owner; 608 selection_owner = owner;
490} 609}
491 610
492#ifdef USE_XIM 611#ifdef USE_XIM
612
493void rxvt_display::reg (im_watcher *w) 613void rxvt_display::reg (im_watcher *w)
494{ 614{
495 imw.push_back (w); 615 imw.push_back (w);
496} 616}
497 617
… …
521 return xim; 641 return xim;
522} 642}
523 643
524void rxvt_display::put_xim (rxvt_xim *xim) 644void rxvt_display::put_xim (rxvt_xim *xim)
525{ 645{
526#if XLIB_IS_RACEFREE 646# if XLIB_IS_RACEFREE
527 xims.put (xim); 647 xims.put (xim);
528#endif 648# endif
529} 649}
650
530#endif 651#endif
531 652
532Atom rxvt_display::atom (const char *name) 653Atom rxvt_display::atom (const char *name)
533{ 654{
534 return XInternAtom (display, name, False); 655 return XInternAtom (dpy, name, False);
535} 656}
536 657
537///////////////////////////////////////////////////////////////////////////// 658/////////////////////////////////////////////////////////////////////////////
538 659
539template class refcache<rxvt_display>; 660template class refcache<rxvt_display>;
540refcache<rxvt_display> displays; 661refcache<rxvt_display> displays;
541 662
542///////////////////////////////////////////////////////////////////////////// 663/////////////////////////////////////////////////////////////////////////////
543 664//
665
666static unsigned int
667insert_component (unsigned int value, unsigned int mask, unsigned int shift)
668{
669 return (value * (mask + 1) >> 16) << shift;
670}
671
672bool
673rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
674{
675#if XFT
676 XRenderPictFormat *format;
677
678 // FUCKING Xft gets it wrong, of course, so work around it.
679 // Transparency users should eat shit and die, and then
680 // XRenderQueryPictIndexValues themselves plenty.
681 if ((screen->visual->c_class == TrueColor)
682 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
683 {
684 // the fun lies in doing everything manually...
685 c.color.red = color.r;
686 c.color.green = color.g;
687 c.color.blue = color.b;
688 c.color.alpha = color.a;
689
690 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
691 | insert_component (color.g, format->direct.greenMask, format->direct.green)
692 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
693 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
694
695 return true;
696 }
697 else
698 {
699 XRenderColor d;
700
701 d.red = color.r;
702 d.green = color.g;
703 d.blue = color.b;
704 d.alpha = color.a;
705
706 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
707 }
708#else
709 c.red = color.r;
710 c.green = color.g;
711 c.blue = color.b;
712
713 if (screen->visual->c_class == TrueColor)
714 {
715 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
716 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
717 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
718
719 return true;
720 }
721 else if (XAllocColor (screen->dpy, screen->cmap, &c))
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;
730}
731
544bool 732bool
545rxvt_color::set (rxvt_screen *screen, const char *name) 733rxvt_color::set (rxvt_screen *screen, const char *name)
546{ 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{
547#if XFT 824#if XFT
548 int l = strlen (name); 825 color.r = c.color.red;
549 rxvt_rgba r; 826 color.g = c.color.green;
550 char eos; 827 color.b = c.color.blue;
551 int mult; 828 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 829#else
567 XColor xc; 830 color.r = c.red;
568 831 color.g = c.green;
569 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 832 color.b = c.blue;
570 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 833 color.a = rgba::MAX_CC;
571
572 return false;
573#endif 834#endif
574} 835}
575 836
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 * format->direct.redMask / rxvt_rgba::MAX_CC) << format->direct.red )
595 | ((rgba.g * format->direct.greenMask / rxvt_rgba::MAX_CC) << format->direct.green)
596 | ((rgba.b * format->direct.blueMask / rxvt_rgba::MAX_CC) << format->direct.blue )
597 | ((rgba.a * format->direct.alphaMask / rxvt_rgba::MAX_CC) << 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 837void
633rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba) 838rxvt_color::get (XColor &color)
634{ 839{
635#if XFT 840 rgba c;
636 rgba.r = c.color.red; 841 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;
642 842
643 c.pixel = p; 843 color.red = c.r;
644 XQueryColor (screen->xdisp, screen->cmap, &c); 844 color.green = c.g;
645 845 color.blue = c.b;
646 rgba.r = c.red; 846 color.pixel = (Pixel)*this;
647 rgba.g = c.green;
648 rgba.b = c.blue;
649 rgba.a = rxvt_rgba::MAX_CC;
650#endif
651} 847}
652 848
653void 849void
654rxvt_color::free (rxvt_screen *screen) 850rxvt_color::free (rxvt_screen *screen)
655{ 851{
852 if (screen->visual->c_class == TrueColor)
853 return; // nothing to do
854
656#if XFT 855#if XFT
657 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 856 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
658#else 857#else
659 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 858 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
660#endif 859#endif
661} 860}
662 861
663rxvt_color 862void
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) 863rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
682{ 864{
683 rxvt_rgba c, fc; 865 rgba c;
684 rxvt_color faded; 866 get (c);
685
686 get (screen, c);
687 fadeto.get (screen, fc);
688 867
689 faded.set ( 868 result.set (
690 screen, 869 screen,
691 rxvt_rgba ( 870 rgba (
692 lerp (fc.r, c.r, percent), 871 lerp (c.r, to.r, percent),
693 lerp (fc.g, c.g, percent), 872 lerp (c.g, to.g, percent),
694 lerp (fc.b, c.b, percent), 873 lerp (c.b, to.b, percent),
695 lerp (fc.a, c.a, percent) 874 lerp (c.a, to.a, percent)
696 ) 875 )
697 ); 876 );
698
699 return faded;
700} 877}
701 878

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