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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 1.113 by sf-exg, Fri Jan 14 11:09:54 2011 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
38static const 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 if (!scratch_area || w > scratch_w || h > scratch_h)
233 {
234 if (scratch_area)
235 {
236 XFreePixmap (dpy, scratch_area->drawable);
237 delete scratch_area;
238 }
239
240 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
241 scratch_w = w, scratch_h = h, depth);
242
243 scratch_area = new rxvt_drawable (this, pm);
244 }
245
246 return *scratch_area;
247}
248
249#endif
250
251void
252rxvt_screen::set (rxvt_display *disp)
253{
254 display = disp;
255 dpy = disp->dpy;
256
257 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
258
259 depth = DefaultDepthOfScreen (screen);
260 visual = DefaultVisualOfScreen (screen);
261 cmap = DefaultColormapOfScreen (screen);
262}
263
264void
265rxvt_screen::select_visual (int bitdepth)
266{
267#if XFT
268 XVisualInfo vinfo;
269
270 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
271 {
272 depth = bitdepth;
273 visual = vinfo.visual;
274 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
275 }
276#endif
277}
278
279void
280rxvt_screen::clear ()
281{
282#if XFT
283 if (scratch_area)
284 {
285 XFreePixmap (dpy, scratch_area->drawable);
286 delete scratch_area;
287 }
288#endif
289
290 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
291 XFreeColormap (dpy, cmap);
292}
293
294/////////////////////////////////////////////////////////////////////////////
295
144rxvt_display::rxvt_display (const char *id) 296rxvt_display::rxvt_display (const char *id)
145: refcounted (id) 297: refcounted (id)
146, x_ev (this, &rxvt_display::x_cb)
147, selection_owner (0) 298, selection_owner (0)
299, clipboard_owner (0)
148{ 300{
301 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
302 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
149} 303}
150 304
151XrmDatabase 305XrmDatabase
152rxvt_display::get_resources () 306rxvt_display::get_resources (bool refresh)
153{ 307{
154 char *homedir = (char *)getenv ("HOME"); 308 char *homedir = getenv ("HOME");
155 char fname[1024]; 309 char fname[1024];
156 310
157 /* 311 /*
158 * get resources using the X library function 312 * get resources using the X library function
159 */ 313 */
160 char *displayResource, *xe; 314 char *displayResource, *xe;
161 XrmDatabase database, rdb1; 315 XrmDatabase rdb1, database = 0;
162
163 database = NULL;
164 316
165 // 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
166 319
167 // 6. System wide per application default file. 320 // 6. System wide per application default file.
168 321
169 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
170 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 323 if ((xe = getenv ("XAPPLRESDIR")))
171 { 324 {
172 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 325 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
173 326
174 if ((rdb1 = XrmGetFileDatabase (fname))) 327 if ((rdb1 = XrmGetFileDatabase (fname)))
175 XrmMergeDatabases (rdb1, &database); 328 XrmMergeDatabases (rdb1, &database);
… …
177 330
178 // 5. User's per application default file. 331 // 5. User's per application default file.
179 // none 332 // none
180 333
181 // 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
182 /* 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
183 displayResource = XResourceManagerString (display); 378 displayResource = XResourceManagerString (dpy);
184 379
185 if (displayResource != NULL) 380 if (displayResource)
186 { 381 {
187 if ((rdb1 = XrmGetStringDatabase (displayResource))) 382 if ((rdb1 = XrmGetStringDatabase (displayResource)))
188 XrmMergeDatabases (rdb1, &database); 383 XrmMergeDatabases (rdb1, &database);
189 } 384 }
190 else if (homedir)
191 {
192 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
193 385
194 if ((rdb1 = XrmGetFileDatabase (fname))) 386#if !XLIB_ILLEGAL_ACCESS
195 XrmMergeDatabases (rdb1, &database); 387 if (refresh && displayResource)
196 } 388 XFree (displayResource);
389#endif
197 390
198 /* Get screen specific resources */ 391 /* Get screen specific resources */
199 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 392 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
200 393
201 if (displayResource != NULL) 394 if (displayResource)
202 { 395 {
203 if ((rdb1 = XrmGetStringDatabase (displayResource))) 396 if ((rdb1 = XrmGetStringDatabase (displayResource)))
204 /* Merge with screen-independent resources */ 397 /* Merge with screen-independent resources */
205 XrmMergeDatabases (rdb1, &database); 398 XrmMergeDatabases (rdb1, &database);
206 399
207 XFree (displayResource); 400 XFree (displayResource);
208 } 401 }
209 402
210 // 3. User's per host defaults file 403 // 3. User's per host defaults file
211 /* Add in XENVIRONMENT file */ 404 /* Add in XENVIRONMENT file */
212 if ((xe = (char *)getenv ("XENVIRONMENT")) 405 if ((xe = getenv ("XENVIRONMENT"))
213 && (rdb1 = XrmGetFileDatabase (xe))) 406 && (rdb1 = XrmGetFileDatabase (xe)))
214 XrmMergeDatabases (rdb1, &database); 407 XrmMergeDatabases (rdb1, &database);
215 else if (homedir) 408 else if (homedir)
216 { 409 {
217 struct utsname un; 410 struct utsname un;
… …
231bool rxvt_display::ref_init () 424bool rxvt_display::ref_init ()
232{ 425{
233#ifdef LOCAL_X_IS_UNIX 426#ifdef LOCAL_X_IS_UNIX
234 if (id[0] == ':') 427 if (id[0] == ':')
235 { 428 {
236 val = rxvt_malloc (5 + strlen (id) + 1); 429 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
430 return false;
237 strcpy (val, "unix/"); 431 strcpy (val, "unix/");
238 strcat (val, id); 432 strcat (val, id);
239 display = XOpenDisplay (val); 433 dpy = XOpenDisplay (val);
240 free (val);
241 } 434 }
242 else 435 else
243#endif 436#endif
244 display = 0; 437 dpy = 0;
245 438
246 if (!display) 439 if (!dpy)
247 display = XOpenDisplay (id); 440 dpy = XOpenDisplay (id);
248 441
249 if (!display) 442 if (!dpy)
250 return false; 443 return false;
251 444
252 screen = DefaultScreen (display); 445 screen = DefaultScreen (dpy);
253 root = DefaultRootWindow (display); 446 root = DefaultRootWindow (dpy);
254 visual = DefaultVisual (display, screen);
255 cmap = DefaultColormap (display, screen);
256 depth = DefaultDepth (display, screen);
257 447
448 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
449 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
450
258 XrmSetDatabase (display, get_resources ()); 451 XrmSetDatabase (dpy, get_resources (false));
259 452
260#ifdef POINTER_BLANK 453#ifdef POINTER_BLANK
261 XColor blackcolour; 454 XColor blackcolour;
262 blackcolour.red = 0; 455 blackcolour.red = 0;
263 blackcolour.green = 0; 456 blackcolour.green = 0;
264 blackcolour.blue = 0; 457 blackcolour.blue = 0;
265 Font f = XLoadFont (display, "fixed"); 458 Font f = XLoadFont (dpy, "fixed");
266 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 459 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
267 &blackcolour, &blackcolour); 460 &blackcolour, &blackcolour);
268 XUnloadFont (display, f); 461 XUnloadFont (dpy, f);
269#endif 462#endif
270 463
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); 464 int fd = XConnectionNumber (dpy);
291 465
292#ifndef NO_SLOW_LINK_SUPPORT
293 // try to detect wether we have a local connection. 466 // try to detect whether we have a local connection.
294 // assume unix domains socket == local, everything else not 467 // assume unix domain socket == local, everything else not
295 // TODO: might want to check for inet/127.0.0.1 468 // TODO: might want to check for inet/127.0.0.1
296 is_local = 0; 469 is_local = 0;
297 sockaddr_un sa; 470 sockaddr_un sa;
298 socklen_t sl = sizeof (sa); 471 socklen_t sl = sizeof (sa);
299 472
300 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 473 if (!getsockname (fd, (sockaddr *)&sa, &sl))
301 is_local = sa.sun_family == AF_LOCAL; 474 is_local = sa.sun_family == AF_UNIX;
302#endif
303 475
476 flush_ev.start ();
304 x_ev.start (fd, EVENT_READ); 477 x_ev.start (fd, ev::READ);
305 fcntl (fd, F_SETFD, FD_CLOEXEC); 478 fcntl (fd, F_SETFD, FD_CLOEXEC);
306 479
307 XSelectInput (display, root, PropertyChangeMask); 480 XSelectInput (dpy, root, PropertyChangeMask);
308#ifdef USE_XIM
309 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
310#endif
311 481
312 flush (); 482 flush ();
313 483
314 return true; 484 return true;
315} 485}
316 486
317void 487void
318rxvt_display::ref_next () 488rxvt_display::ref_next ()
319{ 489{
320 // TODO: somehow check wether the database files/resources changed 490 // TODO: somehow check whether the database files/resources changed
321 // before re-loading/parsing 491 // before affording re-loading/parsing
322 XrmDestroyDatabase (XrmGetDatabase (display)); 492 XrmDestroyDatabase (XrmGetDatabase (dpy));
323 XrmSetDatabase (display, get_resources ()); 493 XrmSetDatabase (dpy, get_resources (true));
324} 494}
325 495
326rxvt_display::~rxvt_display () 496rxvt_display::~rxvt_display ()
327{ 497{
328 if (!display) 498 if (!dpy)
329 return; 499 return;
330 500
331#ifdef POINTER_BLANK 501#ifdef POINTER_BLANK
332 XFreeCursor (display, blank_cursor); 502 XFreeCursor (dpy, blank_cursor);
333#endif 503#endif
334 x_ev.stop (); 504 x_ev.stop ();
505 flush_ev.stop ();
335#ifdef USE_XIM 506#ifdef USE_XIM
336 xims.clear (); 507 xims.clear ();
337#endif 508#endif
509 XrmDestroyDatabase (XrmGetDatabase (dpy));
338 XCloseDisplay (display); 510 XCloseDisplay (dpy);
339} 511}
340 512
341#ifdef USE_XIM 513#ifdef USE_XIM
342void rxvt_display::im_change_cb () 514void rxvt_display::im_change_cb ()
343{ 515{
… …
351 // registers, as xlib crashes due to a race otherwise. 523 // registers, as xlib crashes due to a race otherwise.
352 Atom actual_type, *atoms; 524 Atom actual_type, *atoms;
353 int actual_format; 525 int actual_format;
354 unsigned long nitems, bytes_after; 526 unsigned long nitems, bytes_after;
355 527
356 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 528 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
357 False, XA_ATOM, &actual_type, &actual_format, 529 False, XA_ATOM, &actual_type, &actual_format,
358 &nitems, &bytes_after, (unsigned char **)&atoms) 530 &nitems, &bytes_after, (unsigned char **)&atoms)
359 != Success ) 531 != Success)
360 return; 532 return;
361 533
362 if (actual_type == XA_ATOM && actual_format == 32) 534 if (actual_type == XA_ATOM && actual_format == 32)
363 for (int i = 0; i < nitems; i++) 535 for (int i = 0; i < nitems; i++)
364 if (XGetSelectionOwner (display, atoms[i])) 536 if (XGetSelectionOwner (dpy, atoms[i]))
365 { 537 {
366 im_change_cb (); 538 im_change_cb ();
367 break; 539 break;
368 } 540 }
369 541
370 XFree (atoms); 542 XFree (atoms);
371} 543}
372#endif 544#endif
373 545
374void rxvt_display::x_cb (io_watcher &w, short revents) 546void rxvt_display::x_cb (ev::io &w, int revents)
375{ 547{
548 flush_ev.start ();
549}
550
551void rxvt_display::flush_cb (ev::prepare &w, int revents)
552{
553 while (XEventsQueued (dpy, QueuedAfterFlush))
376 do 554 do
377 { 555 {
378 XEvent xev; 556 XEvent xev;
379 XNextEvent (display, &xev); 557 XNextEvent (dpy, &xev);
380 558
381#ifdef USE_XIM 559#ifdef USE_XIM
382 if (!XFilterEvent (&xev, None)) 560 if (!XFilterEvent (&xev, None))
383 { 561 {
384 if (xev.type == PropertyNotify 562 if (xev.type == PropertyNotify
385 && xev.xany.window == root 563 && xev.xany.window == root
386 && xev.xproperty.atom == xa_xim_servers) 564 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
387 im_change_check (); 565 im_change_check ();
388#endif 566#endif
567 if (xev.type == MappingNotify)
568 XRefreshKeyboardMapping (&xev.xmapping);
569
389 for (int i = xw.size (); i--; ) 570 for (int i = xw.size (); i--; )
390 { 571 {
391 if (!xw[i]) 572 if (!xw[i])
392 xw.erase_unordered (i); 573 xw.erase_unordered (i);
393 else if (xw[i]->window == xev.xany.window) 574 else if (xw[i]->window == xev.xany.window)
394 xw[i]->call (xev); 575 xw[i]->call (xev);
395 } 576 }
396#ifdef USE_XIM 577#ifdef USE_XIM
397 } 578 }
398#endif 579#endif
399 } 580 }
400 while (XEventsQueued (display, QueuedAlready)); 581 while (XEventsQueued (dpy, QueuedAlready));
401 582
402 XFlush (display); 583 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} 584}
412 585
413void rxvt_display::reg (xevent_watcher *w) 586void rxvt_display::reg (xevent_watcher *w)
414{ 587{
588 if (!w->active)
589 {
415 xw.push_back (w); 590 xw.push_back (w);
416 w->active = xw.size (); 591 w->active = xw.size ();
592 }
417} 593}
418 594
419void rxvt_display::unreg (xevent_watcher *w) 595void rxvt_display::unreg (xevent_watcher *w)
420{ 596{
421 if (w->active) 597 if (w->active)
598 {
422 xw[w->active - 1] = 0; 599 xw[w->active - 1] = 0;
600 w->active = 0;
601 }
423} 602}
424 603
425void rxvt_display::set_selection_owner (rxvt_term *owner) 604void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
426{ 605{
606 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
607
427 if (selection_owner && selection_owner != owner) 608 if (cur_owner && cur_owner != owner)
428 selection_owner->selection_clear (); 609 {
610 rxvt_term *term = cur_owner;
611 term->selection_clear (clipboard);
612 term->flush ();
613 }
429 614
430 selection_owner = owner; 615 cur_owner = owner;
431} 616}
432 617
433#ifdef USE_XIM 618#ifdef USE_XIM
619
434void rxvt_display::reg (im_watcher *w) 620void rxvt_display::reg (im_watcher *w)
435{ 621{
436 imw.push_back (w); 622 imw.push_back (w);
437} 623}
438 624
… …
447 int l, m; 633 int l, m;
448 634
449 l = strlen (locale); 635 l = strlen (locale);
450 m = strlen (modifiers); 636 m = strlen (modifiers);
451 637
452 if (!(id = (char *)malloc (l + m + 2))) 638 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
453 return 0; 639 return 0;
454 640
455 memcpy (id, locale, l); id[l] = '\n'; 641 memcpy (id, locale, l); id[l] = '\n';
456 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 642 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
457 643
458 rxvt_xim *xim = xims.get (id); 644 rxvt_xim *xim = xims.get (id);
459 645
460 free (id);
461
462 return xim; 646 return xim;
463} 647}
464 648
465void rxvt_display::put_xim (rxvt_xim *xim) 649void rxvt_display::put_xim (rxvt_xim *xim)
466{ 650{
467#if XLIB_IS_RACEFREE 651# if XLIB_IS_RACEFREE
468 xims.put (xim); 652 xims.put (xim);
469#endif 653# endif
470} 654}
655
471#endif 656#endif
472 657
473Atom rxvt_display::atom (const char *name) 658Atom rxvt_display::atom (const char *name)
474{ 659{
475 return XInternAtom (display, name, False); 660 return XInternAtom (dpy, name, False);
476} 661}
477 662
478///////////////////////////////////////////////////////////////////////////// 663/////////////////////////////////////////////////////////////////////////////
479 664
480template class refcache<rxvt_display>; 665template class refcache<rxvt_display>;
481refcache<rxvt_display> displays; 666refcache<rxvt_display> displays;
482 667
483///////////////////////////////////////////////////////////////////////////// 668/////////////////////////////////////////////////////////////////////////////
484 669//
670
671static unsigned int
672insert_component (unsigned int value, unsigned int mask, unsigned int shift)
673{
674 return (value * (mask + 1) >> 16) << shift;
675}
676
485bool 677bool
486rxvt_color::set (rxvt_display *display, Pixel p) 678rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
487{ 679{
680 //TODO: only supports 24 bit
681 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
682
488#if XFT 683#if XFT
489 XColor xc; 684 XRenderPictFormat *format;
490 685
491 xc.pixel = p; 686 // FUCKING Xft gets it wrong, of course, so work around it.
492 if (!XQueryColor (display->display, display->cmap, &xc)) 687 // Transparency users should eat shit and die, and then
493 return false; 688 // XRenderQueryPictIndexValues themselves plenty.
689 if ((screen->visual->c_class == TrueColor)
690 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
691 {
692 // the fun lies in doing everything manually...
693 c.color.red = color.r;
694 c.color.green = color.g;
695 c.color.blue = color.b;
696 c.color.alpha = alpha;
494 697
698 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
699 | insert_component (color.g, format->direct.greenMask, format->direct.green)
700 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
701 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
702
703 return true;
704 }
705 else
706 {
495 XRenderColor d; 707 XRenderColor d;
496 708
497 d.red = xc.red; 709 d.red = color.r;
498 d.green = xc.green; 710 d.green = color.g;
499 d.blue = xc.blue; 711 d.blue = color.b;
500 d.alpha = 0xffff; 712 d.alpha = alpha;
501 713
502 return 714 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
503 XftColorAllocValue (display->display, 715 }
504 display->visual,
505 display->cmap,
506 &d, &c);
507#else 716#else
508 this->p = p; 717 c.red = color.r;
509#endif 718 c.green = color.g;
719 c.blue = color.b;
510 720
721 if (screen->visual->c_class == TrueColor)
722 {
723 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
724 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
725 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
726
727 return true;
728 }
729 else if (XAllocColor (screen->dpy, screen->cmap, &c))
511 return true; 730 return true;
731 else
732 c.pixel = (color.r + color.g + color.b) > 128*3
733 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
734 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
735#endif
736
737 return false;
512} 738}
513 739
514bool 740bool
515rxvt_color::set (rxvt_display *display, const char *name) 741rxvt_color::set (rxvt_screen *screen, const char *name)
742{
743 rgba c;
744 char eos;
745 int skip;
746
747 c.a = rgba::MAX_CC;
748
749 // parse the nonstandard "[alphapercent]" prefix
750 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
751 {
752 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
753 name += skip;
754 }
755
756 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
757 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
758 {
759 XColor xc;
760
761 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
762 {
763 c.r = xc.red;
764 c.g = xc.green;
765 c.b = xc.blue;
766 }
767 else
768 {
769 c.r = 0xffff;
770 c.g = 0x6969;
771 c.b = 0xb4b4;
772
773 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
774 }
775 }
776
777 return set (screen, c);
778}
779
780bool
781rxvt_color::set (rxvt_screen *screen, const rgba &color)
782{
783 bool got = alloc (screen, color);
784
785#if !ENABLE_MINIMAL
786 int cmap_size = screen->visual->map_entries;
787
788 if (!got
789 && screen->visual->c_class == PseudoColor
790 && cmap_size < 4096)
791 {
792 XColor *colors = new XColor [screen->visual->map_entries];
793
794 for (int i = 0; i < cmap_size; i++)
795 colors [i].pixel = i;
796
797 // many kilobytes transfer per colour, but pseudocolor isn't worth
798 // many extra optimisations.
799 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
800
801 int diff = 0x7fffffffUL;
802 XColor *best = colors;
803
804 for (int i = 0; i < cmap_size; i++)
805 {
806 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
807 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
808 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
809
810 if (d < diff)
811 {
812 diff = d;
813 best = colors + i;
814 }
815 }
816
817 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
818 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
819
820 got = alloc (screen, rgba (best->red, best->green, best->blue));
821
822 delete [] colors;
823 }
824#endif
825
826 return got;
827}
828
829void
830rxvt_color::get (rgba &color)
516{ 831{
517#if XFT 832#if XFT
518 return XftColorAllocName (display->display, display->visual, display->cmap, 833 color.r = c.color.red;
519 name, &c); 834 color.g = c.color.green;
835 color.b = c.color.blue;
836 color.a = c.color.alpha;
520#else 837#else
521 XColor xc; 838 color.r = c.red;
522 839 color.g = c.green;
523 if (XParseColor (display->display, display->cmap, name, &xc)) 840 color.b = c.blue;
524 return set (display, xc.red, xc.green, xc.blue); 841 color.a = rgba::MAX_CC;
525
526 return false;
527#endif 842#endif
528} 843}
529 844
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 845void
547rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 846rxvt_color::get (XColor &color)
548{ 847{
848 rgba c;
849 get (c);
850
851 color.red = c.r;
852 color.green = c.g;
853 color.blue = c.b;
854 color.pixel = (Pixel)*this;
855}
856
857void
858rxvt_color::free (rxvt_screen *screen)
859{
860 if (screen->visual->c_class == TrueColor)
861 return; // nothing to do
862
549#if XFT 863#if XFT
550 cr = c.color.red; 864 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
551 cg = c.color.green;
552 cb = c.color.blue;
553#else 865#else
554 XColor c; 866 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 867#endif
563} 868}
564 869
565void 870void
566rxvt_color::free (rxvt_display *display) 871rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
567{ 872{
568#if XFT 873 rgba c;
569 XftColorFree (display->display, display->visual, display->cmap, &c); 874 get (c);
570#else
571 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
572#endif
573}
574 875
575rxvt_color 876 result.set (
576rxvt_color::fade (rxvt_display *display, int percent) 877 screen,
577{ 878 rgba (
578 percent = 100 - percent; 879 lerp (c.r, to.r, percent),
579 880 lerp (c.g, to.g, percent),
580 unsigned short cr, cg, cb; 881 lerp (c.b, to.b, percent),
581 rxvt_color faded; 882 lerp (c.a, to.a, percent)
582 883 )
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 ); 884 );
591
592 return faded;
593} 885}
594 886
595#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
596
597rxvt_color
598rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
599{
600 percent = 100 - percent;
601
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}
618

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