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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.26 by root, Wed Jan 25 21:03:04 2006 UTC vs.
Revision 1.77 by sasha, Wed Nov 14 22:25:42 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>
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 ENABLE_TRANSPARENCY
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, (char *)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
187 xdisp = disp->display; 257 dpy = disp->dpy;
188 258
189 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 259 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
190 260
191 depth = DefaultDepthOfScreen (screen); 261 depth = DefaultDepthOfScreen (screen);
192 visual = DefaultVisualOfScreen (screen); 262 visual = DefaultVisualOfScreen (screen);
193 cmap = DefaultColormapOfScreen (screen); 263 cmap = DefaultColormapOfScreen (screen);
194} 264}
195 265
196void 266void
197rxvt_screen::set (rxvt_display *disp, int depth) 267rxvt_screen::select_visual (int bitdepth)
198{ 268{
199 set (disp); 269#if XFT
200
201 XVisualInfo vinfo; 270 XVisualInfo vinfo;
202 271
203 if (XMatchVisualInfo (xdisp, display->screen, depth, TrueColor, &vinfo)) 272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
204 { 273 {
205 this->depth = depth; 274 depth = bitdepth;
206 this->visual = vinfo.visual; 275 visual = vinfo.visual;
207 this->cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
208 } 277 }
278#endif
209} 279}
210 280
211void 281void
212rxvt_screen::clear () 282rxvt_screen::clear ()
213{ 283{
284#if XFT
285 if (scratch_area)
286 {
287 XFreePixmap (dpy, scratch_area->drawable);
288 delete scratch_area;
289 }
290#endif
291
214 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 292 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
215 XFreeColormap (xdisp, cmap); 293 XFreeColormap (dpy, cmap);
216} 294}
217 295
218///////////////////////////////////////////////////////////////////////////// 296/////////////////////////////////////////////////////////////////////////////
219 297
220rxvt_display::rxvt_display (const char *id) 298rxvt_display::rxvt_display (const char *id)
… …
223, selection_owner (0) 301, selection_owner (0)
224{ 302{
225} 303}
226 304
227XrmDatabase 305XrmDatabase
228rxvt_display::get_resources () 306rxvt_display::get_resources (bool refresh)
229{ 307{
230 char *homedir = (char *)getenv ("HOME"); 308 char *homedir = (char *)getenv ("HOME");
231 char fname[1024]; 309 char fname[1024];
232 310
233 /* 311 /*
234 * get resources using the X library function 312 * get resources using the X library function
235 */ 313 */
236 char *displayResource, *xe; 314 char *displayResource, *xe;
237 XrmDatabase database, rdb1; 315 XrmDatabase rdb1, database = 0;
238
239 database = NULL;
240 316
241 // 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
242 319
243 // 6. System wide per application default file. 320 // 6. System wide per application default file.
244 321
245 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
246 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 323 if ((xe = (char *)getenv ("XAPPLRESDIR")))
… …
253 330
254 // 5. User's per application default file. 331 // 5. User's per application default file.
255 // none 332 // none
256 333
257 // 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
258 /* 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
259 displayResource = XResourceManagerString (display); 378 displayResource = XResourceManagerString (dpy);
260 379
261 if (displayResource != NULL) 380 if (displayResource)
262 { 381 {
263 if ((rdb1 = XrmGetStringDatabase (displayResource))) 382 if ((rdb1 = XrmGetStringDatabase (displayResource)))
264 XrmMergeDatabases (rdb1, &database); 383 XrmMergeDatabases (rdb1, &database);
265 } 384 }
266 else if (homedir)
267 {
268 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
269 385
270 if ((rdb1 = XrmGetFileDatabase (fname))) 386#if !XLIB_ILLEGAL_ACCESS
271 XrmMergeDatabases (rdb1, &database); 387 if (refresh && displayResource)
272 } 388 XFree (displayResource);
389#endif
273 390
274 /* Get screen specific resources */ 391 /* Get screen specific resources */
275 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 392 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
276 393
277 if (displayResource != NULL) 394 if (displayResource)
278 { 395 {
279 if ((rdb1 = XrmGetStringDatabase (displayResource))) 396 if ((rdb1 = XrmGetStringDatabase (displayResource)))
280 /* Merge with screen-independent resources */ 397 /* Merge with screen-independent resources */
281 XrmMergeDatabases (rdb1, &database); 398 XrmMergeDatabases (rdb1, &database);
282 399
… …
310 if (id[0] == ':') 427 if (id[0] == ':')
311 { 428 {
312 val = rxvt_malloc (5 + strlen (id) + 1); 429 val = rxvt_malloc (5 + strlen (id) + 1);
313 strcpy (val, "unix/"); 430 strcpy (val, "unix/");
314 strcat (val, id); 431 strcat (val, id);
315 display = XOpenDisplay (val); 432 dpy = XOpenDisplay (val);
316 free (val); 433 free (val);
317 } 434 }
318 else 435 else
319#endif 436#endif
320 display = 0; 437 dpy = 0;
321 438
322 if (!display) 439 if (!dpy)
323 display = XOpenDisplay (id); 440 dpy = XOpenDisplay (id);
324 441
325 if (!display) 442 if (!dpy)
326 return false; 443 return false;
327 444
328 screen = DefaultScreen (display); 445 screen = DefaultScreen (dpy);
329 root = DefaultRootWindow (display); 446 root = DefaultRootWindow (dpy);
330 447
331 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 448 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
332 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 449 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
333 450
334 XrmSetDatabase (display, get_resources ()); 451 XrmSetDatabase (dpy, get_resources (false));
335 452
336#ifdef POINTER_BLANK 453#ifdef POINTER_BLANK
337 XColor blackcolour; 454 XColor blackcolour;
338 blackcolour.red = 0; 455 blackcolour.red = 0;
339 blackcolour.green = 0; 456 blackcolour.green = 0;
340 blackcolour.blue = 0; 457 blackcolour.blue = 0;
341 Font f = XLoadFont (display, "fixed"); 458 Font f = XLoadFont (dpy, "fixed");
342 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 459 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
343 &blackcolour, &blackcolour); 460 &blackcolour, &blackcolour);
344 XUnloadFont (display, f); 461 XUnloadFont (dpy, f);
345#endif 462#endif
346 463
347 int fd = XConnectionNumber (display); 464 int fd = XConnectionNumber (dpy);
348 465
349#ifndef NO_SLOW_LINK_SUPPORT
350 // try to detect wether we have a local connection. 466 // try to detect wether we have a local connection.
351 // assume unix domains socket == local, everything else not 467 // assume unix domain socket == local, everything else not
352 // TODO: might want to check for inet/127.0.0.1 468 // TODO: might want to check for inet/127.0.0.1
353 is_local = 0; 469 is_local = 0;
354 sockaddr_un sa; 470 sockaddr_un sa;
355 socklen_t sl = sizeof (sa); 471 socklen_t sl = sizeof (sa);
356 472
357 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 473 if (!getsockname (fd, (sockaddr *)&sa, &sl))
358 is_local = sa.sun_family == AF_LOCAL; 474 is_local = sa.sun_family == AF_UNIX;
359#endif
360 475
361 x_ev.start (fd, EVENT_READ); 476 x_ev.start (fd, ev::READ);
362 fcntl (fd, F_SETFD, FD_CLOEXEC); 477 fcntl (fd, F_SETFD, FD_CLOEXEC);
363 478
364 XSelectInput (display, root, PropertyChangeMask); 479 XSelectInput (dpy, root, PropertyChangeMask);
365 480
366 flush (); 481 flush ();
367 482
368 return true; 483 return true;
369} 484}
370 485
371void 486void
372rxvt_display::ref_next () 487rxvt_display::ref_next ()
373{ 488{
374 // TODO: somehow check wether the database files/resources changed 489 // TODO: somehow check wether the database files/resources changed
375 // before re-loading/parsing 490 // before affording re-loading/parsing
376 XrmDestroyDatabase (XrmGetDatabase (display)); 491 XrmDestroyDatabase (XrmGetDatabase (dpy));
377 XrmSetDatabase (display, get_resources ()); 492 XrmSetDatabase (dpy, get_resources (true));
378} 493}
379 494
380rxvt_display::~rxvt_display () 495rxvt_display::~rxvt_display ()
381{ 496{
382 if (!display) 497 if (!dpy)
383 return; 498 return;
384 499
385#ifdef POINTER_BLANK 500#ifdef POINTER_BLANK
386 XFreeCursor (display, blank_cursor); 501 XFreeCursor (dpy, blank_cursor);
387#endif 502#endif
388 x_ev.stop (); 503 x_ev.stop ();
389#ifdef USE_XIM 504#ifdef USE_XIM
390 xims.clear (); 505 xims.clear ();
391#endif 506#endif
392 XCloseDisplay (display); 507 XCloseDisplay (dpy);
393} 508}
394 509
395#ifdef USE_XIM 510#ifdef USE_XIM
396void rxvt_display::im_change_cb () 511void rxvt_display::im_change_cb ()
397{ 512{
… …
405 // registers, as xlib crashes due to a race otherwise. 520 // registers, as xlib crashes due to a race otherwise.
406 Atom actual_type, *atoms; 521 Atom actual_type, *atoms;
407 int actual_format; 522 int actual_format;
408 unsigned long nitems, bytes_after; 523 unsigned long nitems, bytes_after;
409 524
410 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 525 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
411 False, XA_ATOM, &actual_type, &actual_format, 526 False, XA_ATOM, &actual_type, &actual_format,
412 &nitems, &bytes_after, (unsigned char **)&atoms) 527 &nitems, &bytes_after, (unsigned char **)&atoms)
413 != Success ) 528 != Success )
414 return; 529 return;
415 530
416 if (actual_type == XA_ATOM && actual_format == 32) 531 if (actual_type == XA_ATOM && actual_format == 32)
417 for (int i = 0; i < nitems; i++) 532 for (int i = 0; i < nitems; i++)
418 if (XGetSelectionOwner (display, atoms[i])) 533 if (XGetSelectionOwner (dpy, atoms[i]))
419 { 534 {
420 im_change_cb (); 535 im_change_cb ();
421 break; 536 break;
422 } 537 }
423 538
424 XFree (atoms); 539 XFree (atoms);
425} 540}
426#endif 541#endif
427 542
428void rxvt_display::x_cb (io_watcher &w, short revents) 543void rxvt_display::x_cb (ev::io &w, int revents)
429{ 544{
430 do 545 do
431 { 546 {
432 XEvent xev; 547 XEvent xev;
433 XNextEvent (display, &xev); 548 XNextEvent (dpy, &xev);
434 549
435#ifdef USE_XIM 550#ifdef USE_XIM
436 if (!XFilterEvent (&xev, None)) 551 if (!XFilterEvent (&xev, None))
437 { 552 {
438 if (xev.type == PropertyNotify 553 if (xev.type == PropertyNotify
439 && xev.xany.window == root 554 && xev.xany.window == root
440 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 555 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
441 im_change_check (); 556 im_change_check ();
442#endif 557#endif
558 if (xev.type == MappingNotify)
559 XRefreshKeyboardMapping (&xev.xmapping);
560
443 for (int i = xw.size (); i--; ) 561 for (int i = xw.size (); i--; )
444 { 562 {
445 if (!xw[i]) 563 if (!xw[i])
446 xw.erase_unordered (i); 564 xw.erase_unordered (i);
447 else if (xw[i]->window == xev.xany.window) 565 else if (xw[i]->window == xev.xany.window)
… …
449 } 567 }
450#ifdef USE_XIM 568#ifdef USE_XIM
451 } 569 }
452#endif 570#endif
453 } 571 }
454 while (XEventsQueued (display, QueuedAlready)); 572 while (XEventsQueued (dpy, QueuedAlready));
455 573
456 XFlush (display); 574 XFlush (dpy);
457} 575}
458 576
459void rxvt_display::flush () 577void rxvt_display::flush ()
460{ 578{
461 if (XEventsQueued (display, QueuedAlready)) 579 if (XEventsQueued (dpy, QueuedAlready))
462 x_cb (x_ev, EVENT_READ); 580 x_cb (x_ev, ev::READ);
463 581
464 XFlush (display); 582 XFlush (dpy);
465} 583}
466 584
467void rxvt_display::reg (xevent_watcher *w) 585void rxvt_display::reg (xevent_watcher *w)
468{ 586{
587 if (!w->active)
588 {
469 xw.push_back (w); 589 xw.push_back (w);
470 w->active = xw.size (); 590 w->active = xw.size ();
591 }
471} 592}
472 593
473void rxvt_display::unreg (xevent_watcher *w) 594void rxvt_display::unreg (xevent_watcher *w)
474{ 595{
475 if (w->active) 596 if (w->active)
597 {
476 xw[w->active - 1] = 0; 598 xw[w->active - 1] = 0;
599 w->active = 0;
600 }
477} 601}
478 602
479void rxvt_display::set_selection_owner (rxvt_term *owner) 603void rxvt_display::set_selection_owner (rxvt_term *owner)
480{ 604{
481 if (selection_owner && selection_owner != owner) 605 if (selection_owner && selection_owner != owner)
… …
483 607
484 selection_owner = owner; 608 selection_owner = owner;
485} 609}
486 610
487#ifdef USE_XIM 611#ifdef USE_XIM
612
488void rxvt_display::reg (im_watcher *w) 613void rxvt_display::reg (im_watcher *w)
489{ 614{
490 imw.push_back (w); 615 imw.push_back (w);
491} 616}
492 617
… …
516 return xim; 641 return xim;
517} 642}
518 643
519void rxvt_display::put_xim (rxvt_xim *xim) 644void rxvt_display::put_xim (rxvt_xim *xim)
520{ 645{
521#if XLIB_IS_RACEFREE 646# if XLIB_IS_RACEFREE
522 xims.put (xim); 647 xims.put (xim);
523#endif 648# endif
524} 649}
650
525#endif 651#endif
526 652
527Atom rxvt_display::atom (const char *name) 653Atom rxvt_display::atom (const char *name)
528{ 654{
529 return XInternAtom (display, name, False); 655 return XInternAtom (dpy, name, False);
530} 656}
531 657
532///////////////////////////////////////////////////////////////////////////// 658/////////////////////////////////////////////////////////////////////////////
533 659
534template class refcache<rxvt_display>; 660template class refcache<rxvt_display>;
535refcache<rxvt_display> displays; 661refcache<rxvt_display> displays;
536 662
537///////////////////////////////////////////////////////////////////////////// 663/////////////////////////////////////////////////////////////////////////////
538 664//
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
539bool 672bool
540rxvt_color::set (rxvt_screen *screen, Pixel p) 673rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
541{ 674{
542#if XFT 675#if XFT
543 XColor xc; 676 XRenderPictFormat *format;
544 677
545 xc.pixel = p; 678 // FUCKING Xft gets it wrong, of course, so work around it.
546 if (!XQueryColor (screen->xdisp, screen->cmap, &xc)) 679 // Transparency users should eat shit and die, and then
547 return false; 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;
548 689
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 {
549 XRenderColor d; 699 XRenderColor d;
550 700
551 d.red = xc.red; 701 d.red = color.r;
552 d.green = xc.green; 702 d.green = color.g;
553 d.blue = xc.blue; 703 d.blue = color.b;
554 d.alpha = 0xffff; 704 d.alpha = color.a;
555 705
556 return 706 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
557 XftColorAllocValue (screen->xdisp, 707 }
558 screen->visual,
559 screen->cmap,
560 &d, &c);
561#else 708#else
562 this->p = p; 709 c.red = color.r;
563#endif 710 c.green = color.g;
711 c.blue = color.b;
564 712
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))
565 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;
566} 730}
567 731
568bool 732bool
569rxvt_color::set (rxvt_screen *screen, const char *name) 733rxvt_color::set (rxvt_screen *screen, const char *name)
570{ 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 "#aarrggbb" format
749 if (name[0] == '#' && strlen (name) == 1+2+2+2+2 && 4 == sscanf (name+1, "%2hx%2hx%2hx%2hx%c", &c.a, &c.r, &c.g, &c.b, &eos))
750 {
751 if (c.r)
752 c.r = (c.r << 8) | 0x0ff;
753 if (c.g)
754 c.g = (c.g << 8) | 0x0ff;
755 if (c.b)
756 c.b = (c.b << 8) | 0x0ff;
757 if (c.a)
758 c.a = (c.a << 8) | 0x0ff;
759 }
760 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
761 else if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
762 {
763 XColor xc;
764
765 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
766 {
767 c.r = xc.red;
768 c.g = xc.green;
769 c.b = xc.blue;
770 }
771 else
772 {
773 c.r = 0xffff;
774 c.g = 0x6969;
775 c.b = 0xb4b4;
776
777 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
778 }
779 }
780
781 return set (screen, c);
782}
783
784bool
785rxvt_color::set (rxvt_screen *screen, const rgba &color)
786{
787 bool got = alloc (screen, color);
788
789#if !ENABLE_MINIMAL
790 int cmap_size = screen->visual->map_entries;
791
792 if (!got
793 && screen->visual->c_class == PseudoColor
794 && cmap_size < 4096)
795 {
796 XColor *colors = new XColor [screen->visual->map_entries];
797
798 for (int i = 0; i < cmap_size; i++)
799 colors [i].pixel = i;
800
801 // many kilobytes transfer per colour, but pseudocolor isn't worth
802 // many extra optimisations.
803 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
804
805 int diff = 0x7fffffffUL;
806 XColor *best = colors;
807
808 for (int i = 0; i < cmap_size; i++)
809 {
810 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
811 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
812 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
813
814 if (d < diff)
815 {
816 diff = d;
817 best = colors + i;
818 }
819 }
820
821 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
822 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
823
824 got = alloc (screen, rgba (best->red, best->green, best->blue));
825
826 delete [] colors;
827 }
828#endif
829
830 return got;
831}
832
833void
834rxvt_color::get (rgba &color)
835{
571#if XFT 836#if XFT
572 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c); 837 color.r = c.color.red;
838 color.g = c.color.green;
839 color.b = c.color.blue;
840 color.a = c.color.alpha;
573#else 841#else
574 XColor xc; 842 color.r = c.red;
575 843 color.g = c.green;
576 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 844 color.b = c.blue;
577 return set (screen, xc.red, xc.green, xc.blue); 845 color.a = rgba::MAX_CC;
578
579 return false;
580#endif 846#endif
581} 847}
582 848
583bool
584rxvt_color::set (rxvt_screen *screen, unsigned short cr, unsigned short cg, unsigned short cb)
585{
586 XColor xc;
587
588 xc.red = cr;
589 xc.green = cg;
590 xc.blue = cb;
591 xc.flags = DoRed | DoGreen | DoBlue;
592
593 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
594 return set (screen, xc.pixel);
595
596 return false;
597}
598
599void 849void
600rxvt_color::get (rxvt_screen *screen, unsigned short &cr, unsigned short &cg, unsigned short &cb) 850rxvt_color::get (XColor &color)
601{ 851{
852 rgba c;
853 get (c);
854
855 color.red = c.r;
856 color.green = c.g;
857 color.blue = c.b;
858 color.pixel = (Pixel)*this;
859}
860
861void
862rxvt_color::free (rxvt_screen *screen)
863{
864 if (screen->visual->c_class == TrueColor)
865 return; // nothing to do
866
602#if XFT 867#if XFT
603 cr = c.color.red; 868 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
604 cg = c.color.green;
605 cb = c.color.blue;
606#else 869#else
607 XColor c;
608
609 c.pixel = p;
610 XQueryColor (screen->xdisp, screen->cmap, &c);
611
612 cr = c.red;
613 cg = c.green;
614 cb = c.blue;
615#endif
616}
617
618void
619rxvt_color::free (rxvt_screen *screen)
620{
621#if XFT
622 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
623#else
624 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 870 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
625#endif 871#endif
626} 872}
627 873
628rxvt_color 874void
629rxvt_color::fade (rxvt_screen *screen, int percent) 875rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
630{ 876{
631 percent = 100 - percent; 877 rgba c;
878 get (c);
632 879
633 unsigned short cr, cg, cb; 880 result.set (
634 rxvt_color faded;
635
636 get (screen, cr, cg, cb);
637
638 faded.set (
639 screen, 881 screen,
640 cr * percent / 100, 882 rgba (
641 cg * percent / 100, 883 lerp (c.r, to.r, percent),
642 cb * percent / 100 884 lerp (c.g, to.g, percent),
885 lerp (c.b, to.b, percent),
886 lerp (c.a, to.a, percent)
887 )
643 ); 888 );
889}
644 890
891#if TRACE_PIXMAPS
892# undef XCreatePixmap
893# undef XFreePixmap
894Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
895{
896 Pixmap res = XCreatePixmap (dpy, r, w, h, d);
897 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
645 return faded; 898 return res;
646} 899}
647 900
648#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 901void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
649
650rxvt_color
651rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
652{ 902{
653 percent = 100 - percent; 903 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
654 904 XFreePixmap (dpy,p);
655 unsigned short cr, cg, cb;
656 unsigned short fcr, fcg, fcb;
657 rxvt_color faded;
658
659 get (screen, cr, cg, cb);
660 fadeto.get (screen, fcr, fcg, fcb);
661
662 faded.set (
663 screen,
664 LERP (cr, fcr, percent),
665 LERP (cg, fcg, percent),
666 LERP (cb, fcb, percent)
667 );
668
669 return faded;
670} 905}
671 906#endif

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