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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.24 by root, Wed Jan 25 00:42:21 2006 UTC vs.
Revision 1.104 by sf-exg, Sun Jan 24 21:53:13 2010 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>
33
34#if XFT
35# include <X11/extensions/Xrender.h>
36#endif
37
38const char *const xa_names[] =
39{
40 "TEXT",
41 "COMPOUND_TEXT",
42 "UTF8_STRING",
43 "MULTIPLE",
44 "TARGETS",
45 "TIMESTAMP",
46 "VT_SELECTION",
47 "INCR",
48 "WM_PROTOCOLS",
49 "WM_DELETE_WINDOW",
50 "CLIPBOARD",
51 "AVERAGE_WIDTH",
52 "WEIGHT_NAME",
53 "SLANT",
54 "CHARSET_REGISTRY",
55 "CHARSET_ENCODING",
56#if ENABLE_FRILLS
57 "_MOTIF_WM_HINTS",
58#endif
59#if ENABLE_EWMH
60 "_NET_WM_PID",
61 "_NET_WM_NAME",
62 "_NET_WM_ICON_NAME",
63 "_NET_WM_PING",
64 "_NET_WM_ICON",
65#endif
66#if USE_XIM
67 "WM_LOCALE_NAME",
68 "XIM_SERVERS",
69#endif
70#ifdef ENABLE_TRANSPARENCY
71 "_XROOTPMAP_ID",
72 "ESETROOT_PMAP_ID",
73#endif
74#if ENABLE_XEMBED
75 "_XEMBED",
76 "_XEMBED_INFO",
77#endif
78#if !ENABLE_MINIMAL
79 "SCREEN_RESOURCES",
80 "XDCCC_LINEAR_RGB_CORRECTION",
81 "XDCCC_LINEAR_RGB_MATRICES",
82 "WM_COLORMAP_WINDOWS",
83 "WM_STATE",
84 "cursor",
85# if USE_XIM
86 "TRANSPORT",
87 "LOCALES",
88 "_XIM_PROTOCOL",
89 "_XIM_XCONNECT",
90 "_XIM_MOREDATA",
35#endif 91# endif
92#endif
93};
94
95/////////////////////////////////////////////////////////////////////////////
36 96
37refcounted::refcounted (const char *id) 97refcounted::refcounted (const char *id)
38{ 98{
39 this->id = strdup (id); 99 this->id = strdup (id);
40} 100}
… …
115bool 175bool
116rxvt_xim::ref_init () 176rxvt_xim::ref_init ()
117{ 177{
118 display = GET_R->display; //HACK: TODO 178 display = GET_R->display; //HACK: TODO
119 179
120 xim = XOpenIM (display->display, NULL, NULL, NULL); 180 xim = XOpenIM (display->dpy, 0, 0, 0);
121 181
122 if (!xim) 182 if (!xim)
123 return false; 183 return false;
124 184
125 XIMCallback ximcallback; 185 XIMCallback ximcallback;
126 ximcallback.client_data = (XPointer)this; 186 ximcallback.client_data = (XPointer)this;
127 ximcallback.callback = im_destroy_cb; 187 ximcallback.callback = im_destroy_cb;
128 188
129 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 189 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
130 190
131 return true; 191 return true;
132} 192}
133 193
134rxvt_xim::~rxvt_xim () 194rxvt_xim::~rxvt_xim ()
… …
139 199
140#endif 200#endif
141 201
142///////////////////////////////////////////////////////////////////////////// 202/////////////////////////////////////////////////////////////////////////////
143 203
204#if XFT
205rxvt_drawable::~rxvt_drawable ()
206{
207 if (xftdrawable)
208 XftDrawDestroy (xftdrawable);
209}
210
211rxvt_drawable::operator XftDraw *()
212{
213 if (!xftdrawable)
214 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
215
216 return xftdrawable;
217}
218#endif
219
220/////////////////////////////////////////////////////////////////////////////
221
222#if XFT
223
224// not strictly necessary as it is only used with superclass of zero_initialised
225rxvt_screen::rxvt_screen ()
226: scratch_area (0)
227{
228}
229
230rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
231{
232 // it's actually faster to re-allocate every time. don't ask me
233 // why, but its likely no big deal there are no roundtrips
234 // (I think/hope).
235 if (!scratch_area || w > scratch_w || h > scratch_h || 1/*D*/)
236 {
237 if (scratch_area)
238 {
239 XFreePixmap (dpy, scratch_area->drawable);
240 delete scratch_area;
241 }
242
243 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
244 scratch_w = w, scratch_h = h, depth);
245
246 scratch_area = new rxvt_drawable (this, pm);
247 }
248
249 return *scratch_area;
250}
251
252#endif
253
254void
255rxvt_screen::set (rxvt_display *disp)
256{
257 display = disp;
258 dpy = disp->dpy;
259
260 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
261
262 depth = DefaultDepthOfScreen (screen);
263 visual = DefaultVisualOfScreen (screen);
264 cmap = DefaultColormapOfScreen (screen);
265}
266
267void
268rxvt_screen::select_visual (int bitdepth)
269{
270#if XFT
271 XVisualInfo vinfo;
272
273 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
274 {
275 depth = bitdepth;
276 visual = vinfo.visual;
277 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
278 }
279#endif
280}
281
282void
283rxvt_screen::clear ()
284{
285#if XFT
286 if (scratch_area)
287 {
288 XFreePixmap (dpy, scratch_area->drawable);
289 delete scratch_area;
290 }
291#endif
292
293 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
294 XFreeColormap (dpy, cmap);
295}
296
297/////////////////////////////////////////////////////////////////////////////
298
144rxvt_display::rxvt_display (const char *id) 299rxvt_display::rxvt_display (const char *id)
145: refcounted (id) 300: refcounted (id)
146, x_ev (this, &rxvt_display::x_cb)
147, selection_owner (0) 301, selection_owner (0)
302, clipboard_owner (0)
148{ 303{
304 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
305 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
149} 306}
150 307
151XrmDatabase 308XrmDatabase
152rxvt_display::get_resources () 309rxvt_display::get_resources (bool refresh)
153{ 310{
154 char *homedir = (char *)getenv ("HOME"); 311 char *homedir = getenv ("HOME");
155 char fname[1024]; 312 char fname[1024];
156 313
157 /* 314 /*
158 * get resources using the X library function 315 * get resources using the X library function
159 */ 316 */
160 char *displayResource, *xe; 317 char *displayResource, *xe;
161 XrmDatabase database, rdb1; 318 XrmDatabase rdb1, database = 0;
162
163 database = NULL;
164 319
165 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 320 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
321 // as opposed to "standard practise", we always read in ~/.Xdefaults
166 322
167 // 6. System wide per application default file. 323 // 6. System wide per application default file.
168 324
169 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 325 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
170 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 326 if ((xe = getenv ("XAPPLRESDIR")))
171 { 327 {
172 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 328 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
173 329
174 if ((rdb1 = XrmGetFileDatabase (fname))) 330 if ((rdb1 = XrmGetFileDatabase (fname)))
175 XrmMergeDatabases (rdb1, &database); 331 XrmMergeDatabases (rdb1, &database);
… …
177 333
178 // 5. User's per application default file. 334 // 5. User's per application default file.
179 // none 335 // none
180 336
181 // 4. User's defaults file. 337 // 4. User's defaults file.
338 if (homedir)
339 {
340 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
341
342 if ((rdb1 = XrmGetFileDatabase (fname)))
343 XrmMergeDatabases (rdb1, &database);
344 }
345
182 /* Get any Xserver defaults */ 346 /* Get any Xserver defaults */
347 if (refresh)
348 {
349 // fucking xlib keeps a copy of the rm string
350 Atom actual_type;
351 int actual_format;
352 unsigned long nitems, nremaining;
353 char *val = 0;
354
355#if XLIB_ILLEGAL_ACCESS
356 if (dpy->xdefaults)
357 XFree (dpy->xdefaults);
358#endif
359
360 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
361 0L, 100000000L, False,
362 XA_STRING, &actual_type, &actual_format,
363 &nitems, &nremaining,
364 (unsigned char **)&val) == Success
365 && actual_type == XA_STRING
366 && actual_format == 8)
367 displayResource = val;
368 else
369 {
370 displayResource = 0;
371
372 if (val)
373 XFree(val);
374 }
375
376#if XLIB_ILLEGAL_ACCESS
377 dpy->xdefaults = displayResource;
378#endif
379 }
380 else
183 displayResource = XResourceManagerString (display); 381 displayResource = XResourceManagerString (dpy);
184 382
185 if (displayResource != NULL) 383 if (displayResource)
186 { 384 {
187 if ((rdb1 = XrmGetStringDatabase (displayResource))) 385 if ((rdb1 = XrmGetStringDatabase (displayResource)))
188 XrmMergeDatabases (rdb1, &database); 386 XrmMergeDatabases (rdb1, &database);
189 } 387 }
190 else if (homedir)
191 {
192 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
193 388
194 if ((rdb1 = XrmGetFileDatabase (fname))) 389#if !XLIB_ILLEGAL_ACCESS
195 XrmMergeDatabases (rdb1, &database); 390 if (refresh && displayResource)
196 } 391 XFree (displayResource);
392#endif
197 393
198 /* Get screen specific resources */ 394 /* Get screen specific resources */
199 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 395 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
200 396
201 if (displayResource != NULL) 397 if (displayResource)
202 { 398 {
203 if ((rdb1 = XrmGetStringDatabase (displayResource))) 399 if ((rdb1 = XrmGetStringDatabase (displayResource)))
204 /* Merge with screen-independent resources */ 400 /* Merge with screen-independent resources */
205 XrmMergeDatabases (rdb1, &database); 401 XrmMergeDatabases (rdb1, &database);
206 402
207 XFree (displayResource); 403 XFree (displayResource);
208 } 404 }
209 405
210 // 3. User's per host defaults file 406 // 3. User's per host defaults file
211 /* Add in XENVIRONMENT file */ 407 /* Add in XENVIRONMENT file */
212 if ((xe = (char *)getenv ("XENVIRONMENT")) 408 if ((xe = getenv ("XENVIRONMENT"))
213 && (rdb1 = XrmGetFileDatabase (xe))) 409 && (rdb1 = XrmGetFileDatabase (xe)))
214 XrmMergeDatabases (rdb1, &database); 410 XrmMergeDatabases (rdb1, &database);
215 else if (homedir) 411 else if (homedir)
216 { 412 {
217 struct utsname un; 413 struct utsname un;
… …
234 if (id[0] == ':') 430 if (id[0] == ':')
235 { 431 {
236 val = rxvt_malloc (5 + strlen (id) + 1); 432 val = rxvt_malloc (5 + strlen (id) + 1);
237 strcpy (val, "unix/"); 433 strcpy (val, "unix/");
238 strcat (val, id); 434 strcat (val, id);
239 display = XOpenDisplay (val); 435 dpy = XOpenDisplay (val);
240 free (val); 436 free (val);
241 } 437 }
242 else 438 else
243#endif 439#endif
244 display = 0; 440 dpy = 0;
245 441
246 if (!display) 442 if (!dpy)
247 display = XOpenDisplay (id); 443 dpy = XOpenDisplay (id);
248 444
249 if (!display) 445 if (!dpy)
250 return false; 446 return false;
251 447
252 screen = DefaultScreen (display); 448 screen = DefaultScreen (dpy);
253 root = DefaultRootWindow (display); 449 root = DefaultRootWindow (dpy);
254 visual = DefaultVisual (display, screen);
255 cmap = DefaultColormap (display, screen);
256 depth = DefaultDepth (display, screen);
257 450
451 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
452 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
453
258 XrmSetDatabase (display, get_resources ()); 454 XrmSetDatabase (dpy, get_resources (false));
259 455
260#ifdef POINTER_BLANK 456#ifdef POINTER_BLANK
261 XColor blackcolour; 457 XColor blackcolour;
262 blackcolour.red = 0; 458 blackcolour.red = 0;
263 blackcolour.green = 0; 459 blackcolour.green = 0;
264 blackcolour.blue = 0; 460 blackcolour.blue = 0;
265 Font f = XLoadFont (display, "fixed"); 461 Font f = XLoadFont (dpy, "fixed");
266 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 462 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
267 &blackcolour, &blackcolour); 463 &blackcolour, &blackcolour);
268 XUnloadFont (display, f); 464 XUnloadFont (dpy, f);
269#endif 465#endif
270 466
271#ifdef PREFER_24BIT
272 /*
273 * If depth is not 24, look for a 24bit visual.
274 */
275 if (depth != 24)
276 {
277 XVisualInfo vinfo;
278
279 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
280 {
281 depth = 24;
282 visual = vinfo.visual;
283 cmap = XCreateColormap (display,
284 RootWindow (display, screen),
285 visual, AllocNone);
286 }
287 }
288#endif
289
290 int fd = XConnectionNumber (display); 467 int fd = XConnectionNumber (dpy);
291 468
292#ifndef NO_SLOW_LINK_SUPPORT
293 // try to detect wether we have a local connection. 469 // try to detect wether we have a local connection.
294 // assume unix domains socket == local, everything else not 470 // assume unix domain socket == local, everything else not
295 // TODO: might want to check for inet/127.0.0.1 471 // TODO: might want to check for inet/127.0.0.1
296 is_local = 0; 472 is_local = 0;
297 sockaddr_un sa; 473 sockaddr_un sa;
298 socklen_t sl = sizeof (sa); 474 socklen_t sl = sizeof (sa);
299 475
300 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 476 if (!getsockname (fd, (sockaddr *)&sa, &sl))
301 is_local = sa.sun_family == AF_LOCAL; 477 is_local = sa.sun_family == AF_UNIX;
302#endif
303 478
479 flush_ev.start ();
304 x_ev.start (fd, EVENT_READ); 480 x_ev.start (fd, ev::READ);
305 fcntl (fd, F_SETFD, FD_CLOEXEC); 481 fcntl (fd, F_SETFD, FD_CLOEXEC);
306 482
307 XSelectInput (display, root, PropertyChangeMask); 483 XSelectInput (dpy, root, PropertyChangeMask);
308#ifdef USE_XIM
309 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
310#endif
311 484
312 flush (); 485 flush ();
313 486
314 return true; 487 return true;
315} 488}
316 489
317void 490void
318rxvt_display::ref_next () 491rxvt_display::ref_next ()
319{ 492{
320 // TODO: somehow check wether the database files/resources changed 493 // TODO: somehow check wether the database files/resources changed
321 // before re-loading/parsing 494 // before affording re-loading/parsing
322 XrmDestroyDatabase (XrmGetDatabase (display)); 495 XrmDestroyDatabase (XrmGetDatabase (dpy));
323 XrmSetDatabase (display, get_resources ()); 496 XrmSetDatabase (dpy, get_resources (true));
324} 497}
325 498
326rxvt_display::~rxvt_display () 499rxvt_display::~rxvt_display ()
327{ 500{
328 if (!display) 501 if (!dpy)
329 return; 502 return;
330 503
331#ifdef POINTER_BLANK 504#ifdef POINTER_BLANK
332 XFreeCursor (display, blank_cursor); 505 XFreeCursor (dpy, blank_cursor);
333#endif 506#endif
334 x_ev.stop (); 507 x_ev.stop ();
508 flush_ev.stop ();
335#ifdef USE_XIM 509#ifdef USE_XIM
336 xims.clear (); 510 xims.clear ();
337#endif 511#endif
338 XCloseDisplay (display); 512 XCloseDisplay (dpy);
339} 513}
340 514
341#ifdef USE_XIM 515#ifdef USE_XIM
342void rxvt_display::im_change_cb () 516void rxvt_display::im_change_cb ()
343{ 517{
… …
351 // registers, as xlib crashes due to a race otherwise. 525 // registers, as xlib crashes due to a race otherwise.
352 Atom actual_type, *atoms; 526 Atom actual_type, *atoms;
353 int actual_format; 527 int actual_format;
354 unsigned long nitems, bytes_after; 528 unsigned long nitems, bytes_after;
355 529
356 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 530 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
357 False, XA_ATOM, &actual_type, &actual_format, 531 False, XA_ATOM, &actual_type, &actual_format,
358 &nitems, &bytes_after, (unsigned char **)&atoms) 532 &nitems, &bytes_after, (unsigned char **)&atoms)
359 != Success ) 533 != Success )
360 return; 534 return;
361 535
362 if (actual_type == XA_ATOM && actual_format == 32) 536 if (actual_type == XA_ATOM && actual_format == 32)
363 for (int i = 0; i < nitems; i++) 537 for (int i = 0; i < nitems; i++)
364 if (XGetSelectionOwner (display, atoms[i])) 538 if (XGetSelectionOwner (dpy, atoms[i]))
365 { 539 {
366 im_change_cb (); 540 im_change_cb ();
367 break; 541 break;
368 } 542 }
369 543
370 XFree (atoms); 544 XFree (atoms);
371} 545}
372#endif 546#endif
373 547
374void rxvt_display::x_cb (io_watcher &w, short revents) 548void rxvt_display::x_cb (ev::io &w, int revents)
375{ 549{
550 flush_ev.start ();
551}
552
553void rxvt_display::flush_cb (ev::prepare &w, int revents)
554{
555 while (XEventsQueued (dpy, QueuedAfterFlush))
376 do 556 do
377 { 557 {
378 XEvent xev; 558 XEvent xev;
379 XNextEvent (display, &xev); 559 XNextEvent (dpy, &xev);
380 560
381#ifdef USE_XIM 561#ifdef USE_XIM
382 if (!XFilterEvent (&xev, None)) 562 if (!XFilterEvent (&xev, None))
383 { 563 {
384 if (xev.type == PropertyNotify 564 if (xev.type == PropertyNotify
385 && xev.xany.window == root 565 && xev.xany.window == root
386 && xev.xproperty.atom == xa_xim_servers) 566 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
387 im_change_check (); 567 im_change_check ();
388#endif 568#endif
569 if (xev.type == MappingNotify)
570 XRefreshKeyboardMapping (&xev.xmapping);
571
389 for (int i = xw.size (); i--; ) 572 for (int i = xw.size (); i--; )
390 { 573 {
391 if (!xw[i]) 574 if (!xw[i])
392 xw.erase_unordered (i); 575 xw.erase_unordered (i);
393 else if (xw[i]->window == xev.xany.window) 576 else if (xw[i]->window == xev.xany.window)
394 xw[i]->call (xev); 577 xw[i]->call (xev);
395 } 578 }
396#ifdef USE_XIM 579#ifdef USE_XIM
397 } 580 }
398#endif 581#endif
399 } 582 }
400 while (XEventsQueued (display, QueuedAlready)); 583 while (XEventsQueued (dpy, QueuedAlready));
401 584
402 XFlush (display); 585 w.stop ();
403}
404
405void rxvt_display::flush ()
406{
407 if (XEventsQueued (display, QueuedAlready))
408 x_cb (x_ev, EVENT_READ);
409
410 XFlush (display);
411} 586}
412 587
413void rxvt_display::reg (xevent_watcher *w) 588void rxvt_display::reg (xevent_watcher *w)
414{ 589{
590 if (!w->active)
591 {
415 xw.push_back (w); 592 xw.push_back (w);
416 w->active = xw.size (); 593 w->active = xw.size ();
594 }
417} 595}
418 596
419void rxvt_display::unreg (xevent_watcher *w) 597void rxvt_display::unreg (xevent_watcher *w)
420{ 598{
421 if (w->active) 599 if (w->active)
600 {
422 xw[w->active - 1] = 0; 601 xw[w->active - 1] = 0;
602 w->active = 0;
603 }
423} 604}
424 605
425void rxvt_display::set_selection_owner (rxvt_term *owner) 606void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
426{ 607{
608 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
609
427 if (selection_owner && selection_owner != owner) 610 if (cur_owner && cur_owner != owner)
611 {
428 selection_owner->selection_clear (); 612 cur_owner->selection_clear (clipboard);
613 cur_owner->flush ();
614 }
429 615
430 selection_owner = owner; 616 cur_owner = owner;
431} 617}
432 618
433#ifdef USE_XIM 619#ifdef USE_XIM
620
434void rxvt_display::reg (im_watcher *w) 621void rxvt_display::reg (im_watcher *w)
435{ 622{
436 imw.push_back (w); 623 imw.push_back (w);
437} 624}
438 625
… …
462 return xim; 649 return xim;
463} 650}
464 651
465void rxvt_display::put_xim (rxvt_xim *xim) 652void rxvt_display::put_xim (rxvt_xim *xim)
466{ 653{
467#if XLIB_IS_RACEFREE 654# if XLIB_IS_RACEFREE
468 xims.put (xim); 655 xims.put (xim);
469#endif 656# endif
470} 657}
658
471#endif 659#endif
472 660
473Atom rxvt_display::atom (const char *name) 661Atom rxvt_display::atom (const char *name)
474{ 662{
475 return XInternAtom (display, name, False); 663 return XInternAtom (dpy, name, False);
476} 664}
477 665
478///////////////////////////////////////////////////////////////////////////// 666/////////////////////////////////////////////////////////////////////////////
479 667
480template class refcache<rxvt_display>; 668template class refcache<rxvt_display>;
481refcache<rxvt_display> displays; 669refcache<rxvt_display> displays;
482 670
483///////////////////////////////////////////////////////////////////////////// 671/////////////////////////////////////////////////////////////////////////////
484 672//
673
674static unsigned int
675insert_component (unsigned int value, unsigned int mask, unsigned int shift)
676{
677 return (value * (mask + 1) >> 16) << shift;
678}
679
485bool 680bool
486rxvt_color::set (rxvt_display *display, Pixel p) 681rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
487{ 682{
683 //TODO: only supports 24 bit
684 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
685
488#if XFT 686#if XFT
489 XColor xc; 687 XRenderPictFormat *format;
490 688
491 xc.pixel = p; 689 // FUCKING Xft gets it wrong, of course, so work around it.
492 if (!XQueryColor (display->display, display->cmap, &xc)) 690 // Transparency users should eat shit and die, and then
493 return false; 691 // XRenderQueryPictIndexValues themselves plenty.
692 if ((screen->visual->c_class == TrueColor)
693 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
694 {
695 // the fun lies in doing everything manually...
696 c.color.red = color.r;
697 c.color.green = color.g;
698 c.color.blue = color.b;
699 c.color.alpha = alpha;
494 700
701 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
702 | insert_component (color.g, format->direct.greenMask, format->direct.green)
703 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
704 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
705
706 return true;
707 }
708 else
709 {
495 XRenderColor d; 710 XRenderColor d;
496 711
497 d.red = xc.red; 712 d.red = color.r;
498 d.green = xc.green; 713 d.green = color.g;
499 d.blue = xc.blue; 714 d.blue = color.b;
500 d.alpha = 0xffff; 715 d.alpha = alpha;
501 716
502 return 717 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
503 XftColorAllocValue (display->display, 718 }
504 display->visual,
505 display->cmap,
506 &d, &c);
507#else 719#else
508 this->p = p; 720 c.red = color.r;
509#endif 721 c.green = color.g;
722 c.blue = color.b;
510 723
724 if (screen->visual->c_class == TrueColor)
725 {
726 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
727 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
728 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
729
730 return true;
731 }
732 else if (XAllocColor (screen->dpy, screen->cmap, &c))
511 return true; 733 return true;
734 else
735 c.pixel = (color.r + color.g + color.b) > 128*3
736 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
737 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
738#endif
739
740 return false;
512} 741}
513 742
514bool 743bool
515rxvt_color::set (rxvt_display *display, const char *name) 744rxvt_color::set (rxvt_screen *screen, const char *name)
745{
746 rgba c;
747 char eos;
748 int skip;
749
750 c.a = rgba::MAX_CC;
751
752 // parse the nonstandard "[alphapercent]" prefix
753 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
754 {
755 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
756 name += skip;
757 }
758
759 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
760 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
761 {
762 XColor xc;
763
764 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
765 {
766 c.r = xc.red;
767 c.g = xc.green;
768 c.b = xc.blue;
769 }
770 else
771 {
772 c.r = 0xffff;
773 c.g = 0x6969;
774 c.b = 0xb4b4;
775
776 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
777 }
778 }
779
780 return set (screen, c);
781}
782
783bool
784rxvt_color::set (rxvt_screen *screen, const rgba &color)
785{
786 bool got = alloc (screen, color);
787
788#if !ENABLE_MINIMAL
789 int cmap_size = screen->visual->map_entries;
790
791 if (!got
792 && screen->visual->c_class == PseudoColor
793 && cmap_size < 4096)
794 {
795 XColor *colors = new XColor [screen->visual->map_entries];
796
797 for (int i = 0; i < cmap_size; i++)
798 colors [i].pixel = i;
799
800 // many kilobytes transfer per colour, but pseudocolor isn't worth
801 // many extra optimisations.
802 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
803
804 int diff = 0x7fffffffUL;
805 XColor *best = colors;
806
807 for (int i = 0; i < cmap_size; i++)
808 {
809 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
810 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
811 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
812
813 if (d < diff)
814 {
815 diff = d;
816 best = colors + i;
817 }
818 }
819
820 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
821 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
822
823 got = alloc (screen, rgba (best->red, best->green, best->blue));
824
825 delete [] colors;
826 }
827#endif
828
829 return got;
830}
831
832void
833rxvt_color::get (rgba &color)
516{ 834{
517#if XFT 835#if XFT
518 return XftColorAllocName (display->display, display->visual, display->cmap, 836 color.r = c.color.red;
519 name, &c); 837 color.g = c.color.green;
838 color.b = c.color.blue;
839 color.a = c.color.alpha;
520#else 840#else
521 XColor xc; 841 color.r = c.red;
522 842 color.g = c.green;
523 if (XParseColor (display->display, display->cmap, name, &xc)) 843 color.b = c.blue;
524 return set (display, xc.red, xc.green, xc.blue); 844 color.a = rgba::MAX_CC;
525
526 return false;
527#endif 845#endif
528} 846}
529 847
530bool
531rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
532{
533 XColor xc;
534
535 xc.red = cr;
536 xc.green = cg;
537 xc.blue = cb;
538 xc.flags = DoRed | DoGreen | DoBlue;
539
540 if (XAllocColor (display->display, display->cmap, &xc))
541 return set (display, xc.pixel);
542
543 return false;
544}
545
546void 848void
547rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 849rxvt_color::get (XColor &color)
548{ 850{
851 rgba c;
852 get (c);
853
854 color.red = c.r;
855 color.green = c.g;
856 color.blue = c.b;
857 color.pixel = (Pixel)*this;
858}
859
860void
861rxvt_color::free (rxvt_screen *screen)
862{
863 if (screen->visual->c_class == TrueColor)
864 return; // nothing to do
865
549#if XFT 866#if XFT
550 cr = c.color.red; 867 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
551 cg = c.color.green;
552 cb = c.color.blue;
553#else 868#else
554 XColor c; 869 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
555
556 c.pixel = p;
557 XQueryColor (display->display, display->cmap, &c);
558
559 cr = c.red;
560 cg = c.green;
561 cb = c.blue;
562#endif 870#endif
563} 871}
564 872
565void 873void
566rxvt_color::free (rxvt_display *display) 874rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
567{ 875{
568#if XFT 876 rgba c;
569 XftColorFree (display->display, display->visual, display->cmap, &c); 877 get (c);
570#else
571 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
572#endif
573}
574 878
575rxvt_color 879 result.set (
576rxvt_color::fade (rxvt_display *display, int percent) 880 screen,
577{ 881 rgba (
578 percent = 100 - percent; 882 lerp (c.r, to.r, percent),
579 883 lerp (c.g, to.g, percent),
580 unsigned short cr, cg, cb; 884 lerp (c.b, to.b, percent),
581 rxvt_color faded; 885 lerp (c.a, to.a, percent)
582 886 )
583 get (display, cr, cg, cb);
584
585 faded.set (
586 display,
587 cr * percent / 100,
588 cg * percent / 100,
589 cb * percent / 100
590 ); 887 );
888}
591 889
890#if TRACE_PIXMAPS
891# undef XCreatePixmap
892# undef XFreePixmap
893Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
894{
895 Pixmap res = XCreatePixmap (dpy, r, w, h, d);
896 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
592 return faded; 897 return res;
593} 898}
594 899
595#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 900void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
596
597rxvt_color
598rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
599{ 901{
600 percent = 100 - percent; 902 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
601 903 XFreePixmap (dpy,p);
602 unsigned short cr, cg, cb;
603 unsigned short fcr, fcg, fcb;
604 rxvt_color faded;
605
606 get (display, cr, cg, cb);
607 fadeto.get(display, fcr, fcg, fcb);
608
609 faded.set (
610 display,
611 LERP (cr, fcr, percent),
612 LERP (cg, fcg, percent),
613 LERP (cb, fcb, percent)
614 );
615
616 return faded;
617} 904}
618 905#endif

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