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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.34 by root, Mon Jan 30 02:21:20 2006 UTC vs.
Revision 1.84 by root, Fri Dec 14 06:17:27 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) 2003-2007 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",
… …
81 "SCREEN_RESOURCES", 78 "SCREEN_RESOURCES",
82 "XDCCC_LINEAR_RGB_CORRECTION", 79 "XDCCC_LINEAR_RGB_CORRECTION",
83 "XDCCC_LINEAR_RGB_MATRICES", 80 "XDCCC_LINEAR_RGB_MATRICES",
84 "WM_COLORMAP_WINDOWS", 81 "WM_COLORMAP_WINDOWS",
85 "WM_STATE", 82 "WM_STATE",
83 "cursor",
84# if USE_XIM
85 "TRANSPORT",
86 "LOCALES",
87 "_XIM_PROTOCOL",
88 "_XIM_XCONNECT",
89 "_XIM_MOREDATA",
90# endif
86#endif 91#endif
87}; 92};
88 93
89///////////////////////////////////////////////////////////////////////////// 94/////////////////////////////////////////////////////////////////////////////
90 95
… …
169bool 174bool
170rxvt_xim::ref_init () 175rxvt_xim::ref_init ()
171{ 176{
172 display = GET_R->display; //HACK: TODO 177 display = GET_R->display; //HACK: TODO
173 178
174 xim = XOpenIM (display->display, NULL, NULL, NULL); 179 xim = XOpenIM (display->dpy, 0, 0, 0);
175 180
176 if (!xim) 181 if (!xim)
177 return false; 182 return false;
178 183
179 XIMCallback ximcallback; 184 XIMCallback ximcallback;
180 ximcallback.client_data = (XPointer)this; 185 ximcallback.client_data = (XPointer)this;
181 ximcallback.callback = im_destroy_cb; 186 ximcallback.callback = im_destroy_cb;
182 187
183 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
184 189
185 return true; 190 return true;
186} 191}
187 192
188rxvt_xim::~rxvt_xim () 193rxvt_xim::~rxvt_xim ()
… …
193 198
194#endif 199#endif
195 200
196///////////////////////////////////////////////////////////////////////////// 201/////////////////////////////////////////////////////////////////////////////
197 202
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
198void 253void
199rxvt_screen::set (rxvt_display *disp) 254rxvt_screen::set (rxvt_display *disp)
200{ 255{
201 display = disp; 256 display = disp;
202 xdisp = disp->display; 257 dpy = disp->dpy;
203 258
204 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 259 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
205 260
206 depth = DefaultDepthOfScreen (screen); 261 depth = DefaultDepthOfScreen (screen);
207 visual = DefaultVisualOfScreen (screen); 262 visual = DefaultVisualOfScreen (screen);
208 cmap = DefaultColormapOfScreen (screen); 263 cmap = DefaultColormapOfScreen (screen);
209} 264}
210 265
211void 266void
212rxvt_screen::set (rxvt_display *disp, int bitdepth) 267rxvt_screen::select_visual (int bitdepth)
213{ 268{
214 set (disp);
215
216#if XFT 269#if XFT
217 XVisualInfo vinfo; 270 XVisualInfo vinfo;
218 271
219 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
220 { 273 {
221 depth = bitdepth; 274 depth = bitdepth;
222 visual = vinfo.visual; 275 visual = vinfo.visual;
223 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
224 } 277 }
225#endif 278#endif
226} 279}
227 280
228void 281void
229rxvt_screen::clear () 282rxvt_screen::clear ()
230{ 283{
284#if XFT
285 if (scratch_area)
286 {
287 XFreePixmap (dpy, scratch_area->drawable);
288 delete scratch_area;
289 }
290#endif
291
231 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 292 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
232 XFreeColormap (xdisp, cmap); 293 XFreeColormap (dpy, cmap);
233} 294}
234 295
235///////////////////////////////////////////////////////////////////////////// 296/////////////////////////////////////////////////////////////////////////////
236 297
237rxvt_display::rxvt_display (const char *id) 298rxvt_display::rxvt_display (const char *id)
238: refcounted (id) 299: refcounted (id)
239, x_ev (this, &rxvt_display::x_cb)
240, selection_owner (0) 300, selection_owner (0)
241{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
242} 304}
243 305
244XrmDatabase 306XrmDatabase
245rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
246{ 308{
247 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
248 char fname[1024]; 310 char fname[1024];
249 311
250 /* 312 /*
251 * get resources using the X library function 313 * get resources using the X library function
252 */ 314 */
253 char *displayResource, *xe; 315 char *displayResource, *xe;
254 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
255
256 database = NULL;
257 317
258 // 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
259 320
260 // 6. System wide per application default file. 321 // 6. System wide per application default file.
261 322
262 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 323 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
263 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 324 if ((xe = getenv ("XAPPLRESDIR")))
264 { 325 {
265 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 326 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
266 327
267 if ((rdb1 = XrmGetFileDatabase (fname))) 328 if ((rdb1 = XrmGetFileDatabase (fname)))
268 XrmMergeDatabases (rdb1, &database); 329 XrmMergeDatabases (rdb1, &database);
… …
270 331
271 // 5. User's per application default file. 332 // 5. User's per application default file.
272 // none 333 // none
273 334
274 // 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
275 /* 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
276 displayResource = XResourceManagerString (display); 379 displayResource = XResourceManagerString (dpy);
277 380
278 if (displayResource != NULL) 381 if (displayResource)
279 { 382 {
280 if ((rdb1 = XrmGetStringDatabase (displayResource))) 383 if ((rdb1 = XrmGetStringDatabase (displayResource)))
281 XrmMergeDatabases (rdb1, &database); 384 XrmMergeDatabases (rdb1, &database);
282 } 385 }
283 else if (homedir)
284 {
285 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
286 386
287 if ((rdb1 = XrmGetFileDatabase (fname))) 387#if !XLIB_ILLEGAL_ACCESS
288 XrmMergeDatabases (rdb1, &database); 388 if (refresh && displayResource)
289 } 389 XFree (displayResource);
390#endif
290 391
291 /* Get screen specific resources */ 392 /* Get screen specific resources */
292 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 393 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
293 394
294 if (displayResource != NULL) 395 if (displayResource)
295 { 396 {
296 if ((rdb1 = XrmGetStringDatabase (displayResource))) 397 if ((rdb1 = XrmGetStringDatabase (displayResource)))
297 /* Merge with screen-independent resources */ 398 /* Merge with screen-independent resources */
298 XrmMergeDatabases (rdb1, &database); 399 XrmMergeDatabases (rdb1, &database);
299 400
300 XFree (displayResource); 401 XFree (displayResource);
301 } 402 }
302 403
303 // 3. User's per host defaults file 404 // 3. User's per host defaults file
304 /* Add in XENVIRONMENT file */ 405 /* Add in XENVIRONMENT file */
305 if ((xe = (char *)getenv ("XENVIRONMENT")) 406 if ((xe = getenv ("XENVIRONMENT"))
306 && (rdb1 = XrmGetFileDatabase (xe))) 407 && (rdb1 = XrmGetFileDatabase (xe)))
307 XrmMergeDatabases (rdb1, &database); 408 XrmMergeDatabases (rdb1, &database);
308 else if (homedir) 409 else if (homedir)
309 { 410 {
310 struct utsname un; 411 struct utsname un;
… …
327 if (id[0] == ':') 428 if (id[0] == ':')
328 { 429 {
329 val = rxvt_malloc (5 + strlen (id) + 1); 430 val = rxvt_malloc (5 + strlen (id) + 1);
330 strcpy (val, "unix/"); 431 strcpy (val, "unix/");
331 strcat (val, id); 432 strcat (val, id);
332 display = XOpenDisplay (val); 433 dpy = XOpenDisplay (val);
333 free (val); 434 free (val);
334 } 435 }
335 else 436 else
336#endif 437#endif
337 display = 0; 438 dpy = 0;
338 439
339 if (!display) 440 if (!dpy)
340 display = XOpenDisplay (id); 441 dpy = XOpenDisplay (id);
341 442
342 if (!display) 443 if (!dpy)
343 return false; 444 return false;
344 445
345 screen = DefaultScreen (display); 446 screen = DefaultScreen (dpy);
346 root = DefaultRootWindow (display); 447 root = DefaultRootWindow (dpy);
347 448
348 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 449 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
349 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 450 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
350 451
351 XrmSetDatabase (display, get_resources ()); 452 XrmSetDatabase (dpy, get_resources (false));
352 453
353#ifdef POINTER_BLANK 454#ifdef POINTER_BLANK
354 XColor blackcolour; 455 XColor blackcolour;
355 blackcolour.red = 0; 456 blackcolour.red = 0;
356 blackcolour.green = 0; 457 blackcolour.green = 0;
357 blackcolour.blue = 0; 458 blackcolour.blue = 0;
358 Font f = XLoadFont (display, "fixed"); 459 Font f = XLoadFont (dpy, "fixed");
359 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 460 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
360 &blackcolour, &blackcolour); 461 &blackcolour, &blackcolour);
361 XUnloadFont (display, f); 462 XUnloadFont (dpy, f);
362#endif 463#endif
363 464
364 int fd = XConnectionNumber (display); 465 int fd = XConnectionNumber (dpy);
365 466
366#ifndef NO_SLOW_LINK_SUPPORT
367 // try to detect wether we have a local connection. 467 // try to detect wether we have a local connection.
368 // assume unix domains socket == local, everything else not 468 // assume unix domain socket == local, everything else not
369 // TODO: might want to check for inet/127.0.0.1 469 // TODO: might want to check for inet/127.0.0.1
370 is_local = 0; 470 is_local = 0;
371 sockaddr_un sa; 471 sockaddr_un sa;
372 socklen_t sl = sizeof (sa); 472 socklen_t sl = sizeof (sa);
373 473
374 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 474 if (!getsockname (fd, (sockaddr *)&sa, &sl))
375 is_local = sa.sun_family == AF_LOCAL; 475 is_local = sa.sun_family == AF_UNIX;
376#endif
377 476
477 flush_ev.start ();
378 x_ev.start (fd, EVENT_READ); 478 x_ev.start (fd, ev::READ);
379 fcntl (fd, F_SETFD, FD_CLOEXEC); 479 fcntl (fd, F_SETFD, FD_CLOEXEC);
380 480
381 XSelectInput (display, root, PropertyChangeMask); 481 XSelectInput (dpy, root, PropertyChangeMask);
382 482
383 flush (); 483 flush ();
384 484
385 return true; 485 return true;
386} 486}
387 487
388void 488void
389rxvt_display::ref_next () 489rxvt_display::ref_next ()
390{ 490{
391 // TODO: somehow check wether the database files/resources changed 491 // TODO: somehow check wether the database files/resources changed
392 // before re-loading/parsing 492 // before affording re-loading/parsing
393 XrmDestroyDatabase (XrmGetDatabase (display)); 493 XrmDestroyDatabase (XrmGetDatabase (dpy));
394 XrmSetDatabase (display, get_resources ()); 494 XrmSetDatabase (dpy, get_resources (true));
395} 495}
396 496
397rxvt_display::~rxvt_display () 497rxvt_display::~rxvt_display ()
398{ 498{
399 if (!display) 499 if (!dpy)
400 return; 500 return;
401 501
402#ifdef POINTER_BLANK 502#ifdef POINTER_BLANK
403 XFreeCursor (display, blank_cursor); 503 XFreeCursor (dpy, blank_cursor);
404#endif 504#endif
405 x_ev.stop (); 505 x_ev.stop ();
406#ifdef USE_XIM 506#ifdef USE_XIM
407 xims.clear (); 507 xims.clear ();
408#endif 508#endif
409 XCloseDisplay (display); 509 XCloseDisplay (dpy);
410} 510}
411 511
412#ifdef USE_XIM 512#ifdef USE_XIM
413void rxvt_display::im_change_cb () 513void rxvt_display::im_change_cb ()
414{ 514{
… …
422 // registers, as xlib crashes due to a race otherwise. 522 // registers, as xlib crashes due to a race otherwise.
423 Atom actual_type, *atoms; 523 Atom actual_type, *atoms;
424 int actual_format; 524 int actual_format;
425 unsigned long nitems, bytes_after; 525 unsigned long nitems, bytes_after;
426 526
427 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 527 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
428 False, XA_ATOM, &actual_type, &actual_format, 528 False, XA_ATOM, &actual_type, &actual_format,
429 &nitems, &bytes_after, (unsigned char **)&atoms) 529 &nitems, &bytes_after, (unsigned char **)&atoms)
430 != Success ) 530 != Success )
431 return; 531 return;
432 532
433 if (actual_type == XA_ATOM && actual_format == 32) 533 if (actual_type == XA_ATOM && actual_format == 32)
434 for (int i = 0; i < nitems; i++) 534 for (int i = 0; i < nitems; i++)
435 if (XGetSelectionOwner (display, atoms[i])) 535 if (XGetSelectionOwner (dpy, atoms[i]))
436 { 536 {
437 im_change_cb (); 537 im_change_cb ();
438 break; 538 break;
439 } 539 }
440 540
441 XFree (atoms); 541 XFree (atoms);
442} 542}
443#endif 543#endif
444 544
445void rxvt_display::x_cb (io_watcher &w, short revents) 545void rxvt_display::x_cb (ev::io &w, int revents)
446{ 546{
447 do 547 while (XEventsQueued (dpy, QueuedAfterReading))
448 { 548 {
449 XEvent xev; 549 XEvent xev;
450 XNextEvent (display, &xev); 550 XNextEvent (dpy, &xev);
451 551
452#ifdef USE_XIM 552#ifdef USE_XIM
453 if (!XFilterEvent (&xev, None)) 553 if (!XFilterEvent (&xev, None))
454 { 554 {
455 if (xev.type == PropertyNotify 555 if (xev.type == PropertyNotify
456 && xev.xany.window == root 556 && xev.xany.window == root
457 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 557 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
458 im_change_check (); 558 im_change_check ();
459#endif 559#endif
560 if (xev.type == MappingNotify)
561 XRefreshKeyboardMapping (&xev.xmapping);
562
460 for (int i = xw.size (); i--; ) 563 for (int i = xw.size (); i--; )
461 { 564 {
462 if (!xw[i]) 565 if (!xw[i])
463 xw.erase_unordered (i); 566 xw.erase_unordered (i);
464 else if (xw[i]->window == xev.xany.window) 567 else if (xw[i]->window == xev.xany.window)
… …
466 } 569 }
467#ifdef USE_XIM 570#ifdef USE_XIM
468 } 571 }
469#endif 572#endif
470 } 573 }
471 while (XEventsQueued (display, QueuedAlready)); 574}
472 575
576void rxvt_display::flush_cb (ev::prepare &w, int revents)
577{
578 w.stop ();
473 XFlush (display); 579 XFlush (dpy);
474}
475
476void rxvt_display::flush ()
477{
478 if (XEventsQueued (display, QueuedAlready))
479 x_cb (x_ev, EVENT_READ);
480
481 XFlush (display);
482} 580}
483 581
484void rxvt_display::reg (xevent_watcher *w) 582void rxvt_display::reg (xevent_watcher *w)
485{ 583{
584 if (!w->active)
585 {
486 xw.push_back (w); 586 xw.push_back (w);
487 w->active = xw.size (); 587 w->active = xw.size ();
588 }
488} 589}
489 590
490void rxvt_display::unreg (xevent_watcher *w) 591void rxvt_display::unreg (xevent_watcher *w)
491{ 592{
492 if (w->active) 593 if (w->active)
594 {
493 xw[w->active - 1] = 0; 595 xw[w->active - 1] = 0;
596 w->active = 0;
597 }
494} 598}
495 599
496void rxvt_display::set_selection_owner (rxvt_term *owner) 600void rxvt_display::set_selection_owner (rxvt_term *owner)
497{ 601{
498 if (selection_owner && selection_owner != owner) 602 if (selection_owner && selection_owner != owner)
… …
500 604
501 selection_owner = owner; 605 selection_owner = owner;
502} 606}
503 607
504#ifdef USE_XIM 608#ifdef USE_XIM
609
505void rxvt_display::reg (im_watcher *w) 610void rxvt_display::reg (im_watcher *w)
506{ 611{
507 imw.push_back (w); 612 imw.push_back (w);
508} 613}
509 614
… …
533 return xim; 638 return xim;
534} 639}
535 640
536void rxvt_display::put_xim (rxvt_xim *xim) 641void rxvt_display::put_xim (rxvt_xim *xim)
537{ 642{
538#if XLIB_IS_RACEFREE 643# if XLIB_IS_RACEFREE
539 xims.put (xim); 644 xims.put (xim);
540#endif 645# endif
541} 646}
647
542#endif 648#endif
543 649
544Atom rxvt_display::atom (const char *name) 650Atom rxvt_display::atom (const char *name)
545{ 651{
546 return XInternAtom (display, name, False); 652 return XInternAtom (dpy, name, False);
547} 653}
548 654
549///////////////////////////////////////////////////////////////////////////// 655/////////////////////////////////////////////////////////////////////////////
550 656
551template class refcache<rxvt_display>; 657template class refcache<rxvt_display>;
552refcache<rxvt_display> displays; 658refcache<rxvt_display> displays;
553 659
554///////////////////////////////////////////////////////////////////////////// 660/////////////////////////////////////////////////////////////////////////////
555 661//
662
663static unsigned int
664insert_component (unsigned int value, unsigned int mask, unsigned int shift)
665{
666 return (value * (mask + 1) >> 16) << shift;
667}
668
669bool
670rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
671{
672#if XFT
673 XRenderPictFormat *format;
674
675 // FUCKING Xft gets it wrong, of course, so work around it.
676 // Transparency users should eat shit and die, and then
677 // XRenderQueryPictIndexValues themselves plenty.
678 if ((screen->visual->c_class == TrueColor)
679 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
680 {
681 // the fun lies in doing everything manually...
682 c.color.red = color.r;
683 c.color.green = color.g;
684 c.color.blue = color.b;
685 c.color.alpha = color.a;
686
687 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
688 | insert_component (color.g, format->direct.greenMask, format->direct.green)
689 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
690 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
691
692 return true;
693 }
694 else
695 {
696 XRenderColor d;
697
698 d.red = color.r;
699 d.green = color.g;
700 d.blue = color.b;
701 d.alpha = color.a;
702
703 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
704 }
705#else
706 c.red = color.r;
707 c.green = color.g;
708 c.blue = color.b;
709
710 if (screen->visual->c_class == TrueColor)
711 {
712 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
713 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
714 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
715
716 return true;
717 }
718 else if (XAllocColor (screen->dpy, screen->cmap, &c))
719 return true;
720 else
721 c.pixel = (color.r + color.g + color.b) > 128*3
722 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
723 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
724#endif
725
726 return false;
727}
728
556bool 729bool
557rxvt_color::set (rxvt_screen *screen, const char *name) 730rxvt_color::set (rxvt_screen *screen, const char *name)
558{ 731{
732 rgba c;
733 char eos;
734 int skip;
735
736 // parse the nonstandard "[alphapercent]" prefix
737 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
738 {
739 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
740 name += skip;
741 }
742 else
743 c.a = rgba::MAX_CC;
744
745 // parse the non-standard "#aarrggbb" format
746 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))
747 {
748 if (c.r)
749 c.r = (c.r << 8) | 0x0ff;
750 if (c.g)
751 c.g = (c.g << 8) | 0x0ff;
752 if (c.b)
753 c.b = (c.b << 8) | 0x0ff;
754 if (c.a)
755 c.a = (c.a << 8) | 0x0ff;
756 }
757 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
758 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))
759 {
760 XColor xc;
761
762 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
763 {
764 c.r = xc.red;
765 c.g = xc.green;
766 c.b = xc.blue;
767 }
768 else
769 {
770 c.r = 0xffff;
771 c.g = 0x6969;
772 c.b = 0xb4b4;
773
774 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
775 }
776 }
777
778 return set (screen, c);
779}
780
781bool
782rxvt_color::set (rxvt_screen *screen, const rgba &color)
783{
784 bool got = alloc (screen, color);
785
786#if !ENABLE_MINIMAL
787 int cmap_size = screen->visual->map_entries;
788
789 if (!got
790 && screen->visual->c_class == PseudoColor
791 && cmap_size < 4096)
792 {
793 XColor *colors = new XColor [screen->visual->map_entries];
794
795 for (int i = 0; i < cmap_size; i++)
796 colors [i].pixel = i;
797
798 // many kilobytes transfer per colour, but pseudocolor isn't worth
799 // many extra optimisations.
800 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
801
802 int diff = 0x7fffffffUL;
803 XColor *best = colors;
804
805 for (int i = 0; i < cmap_size; i++)
806 {
807 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
808 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
809 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
810
811 if (d < diff)
812 {
813 diff = d;
814 best = colors + i;
815 }
816 }
817
818 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
819 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
820
821 got = alloc (screen, rgba (best->red, best->green, best->blue));
822
823 delete [] colors;
824 }
825#endif
826
827 return got;
828}
829
830void
831rxvt_color::get (rgba &color)
832{
559#if XFT 833#if XFT
560 int l = strlen (name); 834 color.r = c.color.red;
561 rxvt_rgba r; 835 color.g = c.color.green;
562 char eos; 836 color.b = c.color.blue;
563 int mult; 837 color.a = c.color.alpha;
564
565 // shortcutting this saves countless server RTTs for the built-in colours
566 if (l == 3+3*3 && 3 == sscanf (name, "rgb:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
567 {
568 r.a = rxvt_rgba::MAX_CC;
569 mult = rxvt_rgba::MAX_CC / 0x00ff;
570 }
571
572 // parse a number of non-standard ARGB colour specifications
573 else if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
574 mult = rxvt_rgba::MAX_CC / 0x000f;
575 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
576 mult = rxvt_rgba::MAX_CC / 0x00ff;
577 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
578 mult = rxvt_rgba::MAX_CC / 0xffff;
579 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
580 mult = rxvt_rgba::MAX_CC / 0xffff;
581
582 // slow case: server round trip
583 else
584 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
585
586 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
587
588 return set (screen, r);
589#else 838#else
590 XColor xc; 839 color.r = c.red;
591 840 color.g = c.green;
592 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 841 color.b = c.blue;
593 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 842 color.a = rgba::MAX_CC;
594
595 return false;
596#endif 843#endif
597} 844}
598 845
599bool 846void
847rxvt_color::get (XColor &color)
848{
849 rgba c;
850 get (c);
851
852 color.red = c.r;
853 color.green = c.g;
854 color.blue = c.b;
855 color.pixel = (Pixel)*this;
856}
857
858void
600rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 859rxvt_color::free (rxvt_screen *screen)
601{ 860{
861 if (screen->visual->c_class == TrueColor)
862 return; // nothing to do
863
602#if XFT 864#if XFT
603 XRenderPictFormat *format;
604
605 // FUCKING Xft gets it wrong, of course, so work around it
606 // transparency users should eat shit and die, and then
607 // XRenderQueryPictIndexValues themselves plenty.
608 if (screen->visual->c_class == TrueColor
609 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual)))
610 {
611 // the fun lies in doing everything manually...
612 c.color.red = rgba.r;
613 c.color.green = rgba.g;
614 c.color.blue = rgba.b;
615 c.color.alpha = rgba.a;
616
617 c.pixel = ((rgba.r * format->direct.redMask / rxvt_rgba::MAX_CC) << format->direct.red )
618 | ((rgba.g * format->direct.greenMask / rxvt_rgba::MAX_CC) << format->direct.green)
619 | ((rgba.b * format->direct.blueMask / rxvt_rgba::MAX_CC) << format->direct.blue )
620 | ((rgba.a * format->direct.alphaMask / rxvt_rgba::MAX_CC) << format->direct.alpha);
621
622 return true;
623 }
624 else
625 {
626 XRenderColor d;
627
628 d.red = rgba.r;
629 d.green = rgba.g;
630 d.blue = rgba.b;
631 d.alpha = rgba.a;
632
633 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); 865 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
634 }
635
636 return false;
637#else 866#else
638 XColor xc;
639
640 xc.red = rgba.r;
641 xc.green = rgba.g;
642 xc.blue = rgba.b;
643 xc.flags = DoRed | DoGreen | DoBlue;
644
645 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
646 {
647 p = xc.pixel;
648 return true;
649 }
650
651 return false;
652#endif
653}
654
655void
656rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
657{
658#if XFT
659 rgba.r = c.color.red;
660 rgba.g = c.color.green;
661 rgba.b = c.color.blue;
662 rgba.a = c.color.alpha;
663#else
664 XColor c;
665
666 c.pixel = p;
667 XQueryColor (screen->xdisp, screen->cmap, &c);
668
669 rgba.r = c.red;
670 rgba.g = c.green;
671 rgba.b = c.blue;
672 rgba.a = rxvt_rgba::MAX_CC;
673#endif
674}
675
676void
677rxvt_color::free (rxvt_screen *screen)
678{
679#if XFT
680 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
681#else
682 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 867 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
683#endif 868#endif
684} 869}
685 870
686rxvt_color 871void
687rxvt_color::fade (rxvt_screen *screen, int percent)
688{
689 rxvt_color faded;
690
691 rxvt_rgba c;
692 get (screen, c);
693
694 c.r = lerp (0, c.r, percent);
695 c.g = lerp (0, c.g, percent);
696 c.b = lerp (0, c.b, percent);
697
698 faded.set (screen, c);
699
700 return faded;
701}
702
703rxvt_color
704rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 872rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
705{ 873{
706 rxvt_rgba c, fc; 874 rgba c;
707 rxvt_color faded; 875 get (c);
708
709 get (screen, c);
710 fadeto.get (screen, fc);
711 876
712 faded.set ( 877 result.set (
713 screen, 878 screen,
714 rxvt_rgba ( 879 rgba (
715 lerp (fc.r, c.r, percent), 880 lerp (c.r, to.r, percent),
716 lerp (fc.g, c.g, percent), 881 lerp (c.g, to.g, percent),
717 lerp (fc.b, c.b, percent), 882 lerp (c.b, to.b, percent),
718 lerp (fc.a, c.a, percent) 883 lerp (c.a, to.a, percent)
719 ) 884 )
720 ); 885 );
886}
721 887
888#if TRACE_PIXMAPS
889# undef XCreatePixmap
890# undef XFreePixmap
891Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
892{
893 Pixmap res = XCreatePixmap (dpy, r, w, h, d);
894 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
722 return faded; 895 return res;
723} 896}
724 897
898void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
899{
900 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
901 XFreePixmap (dpy,p);
902}
903#endif

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