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 1.28 by root, Sun Jan 29 20:51:28 2006 UTC vs.
Revision 1.60 by root, Wed Jul 5 20:37:31 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 bitdepth) 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, bitdepth, TrueColor, &vinfo)) 272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
203 { 273 {
204 depth = bitdepth; 274 depth = bitdepth;
205 visual = vinfo.visual; 275 visual = vinfo.visual;
206 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{
468 xw.push_back (w); 584 xw.push_back (w);
482 598
483 selection_owner = owner; 599 selection_owner = owner;
484} 600}
485 601
486#ifdef USE_XIM 602#ifdef USE_XIM
603
487void rxvt_display::reg (im_watcher *w) 604void rxvt_display::reg (im_watcher *w)
488{ 605{
489 imw.push_back (w); 606 imw.push_back (w);
490} 607}
491 608
515 return xim; 632 return xim;
516} 633}
517 634
518void rxvt_display::put_xim (rxvt_xim *xim) 635void rxvt_display::put_xim (rxvt_xim *xim)
519{ 636{
520#if XLIB_IS_RACEFREE 637# if XLIB_IS_RACEFREE
521 xims.put (xim); 638 xims.put (xim);
522#endif 639# endif
523} 640}
641
524#endif 642#endif
525 643
526Atom rxvt_display::atom (const char *name) 644Atom rxvt_display::atom (const char *name)
527{ 645{
528 return XInternAtom (display, name, False); 646 return XInternAtom (dpy, name, False);
529} 647}
530 648
531///////////////////////////////////////////////////////////////////////////// 649/////////////////////////////////////////////////////////////////////////////
532 650
533template class refcache<rxvt_display>; 651template class refcache<rxvt_display>;
534refcache<rxvt_display> displays; 652refcache<rxvt_display> displays;
535 653
536///////////////////////////////////////////////////////////////////////////// 654/////////////////////////////////////////////////////////////////////////////
537 655//
656
657static unsigned int
658insert_component (unsigned int value, unsigned int mask, unsigned int shift)
659{
660 return (value * (mask + 1) >> 16) << shift;
661}
662
663bool
664rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
665{
666#if XFT
667 XRenderPictFormat *format;
668
669 // FUCKING Xft gets it wrong, of course, so work around it.
670 // Transparency users should eat shit and die, and then
671 // XRenderQueryPictIndexValues themselves plenty.
672 if ((screen->visual->c_class == TrueColor)
673 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
674 {
675 // the fun lies in doing everything manually...
676 c.color.red = color.r;
677 c.color.green = color.g;
678 c.color.blue = color.b;
679 c.color.alpha = color.a;
680
681 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
682 | insert_component (color.g, format->direct.greenMask, format->direct.green)
683 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
684 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
685
686 return true;
687 }
688 else
689 {
690 XRenderColor d;
691
692 d.red = color.r;
693 d.green = color.g;
694 d.blue = color.b;
695 d.alpha = color.a;
696
697 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
698 }
699#else
700 c.red = color.r;
701 c.green = color.g;
702 c.blue = color.b;
703
704 if (screen->visual->c_class == TrueColor)
705 {
706 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
707 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
708 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
709 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
710 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
711 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
712
713 return true;
714 }
715 else if (XAllocColor (screen->dpy, screen->cmap, &c))
716 return true;
717 else
718 c.pixel = (color.r + color.g + color.b) > 128*3
719 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
720 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
721#endif
722
723 return false;
724}
725
538bool 726bool
539rxvt_color::set (rxvt_screen *screen, const char *name) 727rxvt_color::set (rxvt_screen *screen, const char *name)
540{ 728{
729 rgba c;
730 char eos;
731 int skip;
732
733 // parse the nonstandard "[alphapercent]" prefix
734 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
735 {
736 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
737 name += skip;
738 }
739 else
740 c.a = rgba::MAX_CC;
741
742 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
743 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
744 {
745 XColor xc, xc_exact;
746
747 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
748 {
749 c.r = xc.red;
750 c.g = xc.green;
751 c.b = xc.blue;
752 }
753 else
754 {
755 c.r = 0xffff;
756 c.g = 0x6969;
757 c.b = 0xb4b4;
758
759 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
760 }
761 }
762
763 return set (screen, c);
764}
765
766bool
767rxvt_color::set (rxvt_screen *screen, const rgba &color)
768{
769 bool got = alloc (screen, color);
770
771#if !ENABLE_MINIMAL
772 int cmap_size = screen->visual->map_entries;
773
774 if (!got
775 && screen->visual->c_class == PseudoColor
776 && cmap_size < 4096)
777 {
778 XColor *colors = new XColor [screen->visual->map_entries];
779
780 for (int i = 0; i < cmap_size; i++)
781 colors [i].pixel = i;
782
783 // many kilobytes transfer per colour, but pseudocolor isn't worth
784 // many extra optimisations.
785 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
786
787 int diff = 0x7fffffffUL;
788 XColor *best = colors;
789
790 for (int i = 0; i < cmap_size; i++)
791 {
792 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
793 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
794 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
795
796 if (d < diff)
797 {
798 diff = d;
799 best = colors + i;
800 }
801 }
802
803 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
804 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
805
806 got = alloc (screen, rgba (best->red, best->green, best->blue));
807
808 delete colors;
809 }
810#endif
811
812 return got;
813}
814
815void
816rxvt_color::get (rgba &color)
817{
541#if XFT 818#if XFT
542 int l = strlen (name); 819 color.r = c.color.red;
543 rxvt_rgba r; 820 color.g = c.color.green;
544 char eos; 821 color.b = c.color.blue;
545 int mult; 822 color.a = c.color.alpha;
546
547 if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
548 mult = 0x1111;
549 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
550 mult = 0x0101;
551 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
552 mult = 0x0001;
553 else
554 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
555
556 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
557 return set (screen, r);
558#else 823#else
559 XColor xc; 824 color.r = c.red;
560 825 color.g = c.green;
561 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 826 color.b = c.blue;
562 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 827 color.a = rgba::MAX_CC;
563
564 return false;
565#endif 828#endif
566} 829}
567 830
568bool
569rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba)
570{
571#if XFT
572 XRenderColor d;
573
574 d.red = rgba.r;
575 d.green = rgba.g;
576 d.blue = rgba.b;
577 d.alpha = rgba.a;
578
579 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c);
580#else
581 XColor xc;
582
583 xc.red = rgba.r;
584 xc.green = rgba.g;
585 xc.blue = rgba.b;
586 xc.flags = DoRed | DoGreen | DoBlue;
587
588 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
589 {
590 p = xc.pixel;
591 return true;
592 }
593
594 return false;
595#endif
596}
597
598void 831void
599rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba) 832rxvt_color::get (XColor &color)
600{ 833{
601#if XFT 834 rgba c;
602 rgba.r = c.color.red; 835 get (c);
603 rgba.g = c.color.green;
604 rgba.b = c.color.blue;
605 rgba.a = c.color.alpha;
606#else
607 XColor c;
608 836
609 c.pixel = p; 837 color.red = c.r;
610 XQueryColor (screen->xdisp, screen->cmap, &c); 838 color.green = c.g;
611 839 color.blue = c.b;
612 rgba.r = c.red; 840 color.pixel = (Pixel)*this;
613 rgba.g = c.green;
614 rgba.b = c.blue;
615 rgba.a = rxvt_rgba::MAX_CC;
616#endif
617} 841}
618 842
619void 843void
620rxvt_color::free (rxvt_screen *screen) 844rxvt_color::free (rxvt_screen *screen)
621{ 845{
846 if (screen->visual->c_class == TrueColor)
847 return; // nothing to do
848
622#if XFT 849#if XFT
623 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 850 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
624#else 851#else
625 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 852 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
626#endif 853#endif
627} 854}
628 855
629rxvt_color 856void
630rxvt_color::fade (rxvt_screen *screen, int percent)
631{
632 rxvt_color faded;
633
634 rxvt_rgba c;
635 get (screen, c);
636
637 c.r = lerp (0, c.r, percent);
638 c.g = lerp (0, c.g, percent);
639 c.b = lerp (0, c.b, percent);
640
641 faded.set (screen, c);
642
643 return faded;
644}
645
646rxvt_color
647rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 857rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
648{ 858{
649 rxvt_rgba c, fc; 859 rgba c;
650 rxvt_color faded; 860 get (c);
651
652 get (screen, c);
653 fadeto.get (screen, fc);
654 861
655 faded.set ( 862 result.set (
656 screen, 863 screen,
657 rxvt_rgba ( 864 rgba (
658 lerp (fc.r, c.r, percent), 865 lerp (c.r, to.r, percent),
659 lerp (fc.g, c.g, percent), 866 lerp (c.g, to.g, percent),
660 lerp (fc.b, c.b, percent), 867 lerp (c.b, to.b, percent),
661 lerp (fc.a, c.a, percent) 868 lerp (c.a, to.a, percent)
662 ) 869 )
663 ); 870 );
664
665 return faded;
666} 871}
667 872

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines