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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.23 by root, Wed Jan 11 00:59:58 2006 UTC vs.
Revision 1.83 by root, Fri Dec 14 05:52:33 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>
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#endif
65#if USE_XIM
66 "WM_LOCALE_NAME",
67 "XIM_SERVERS",
68#endif
69#ifdef ENABLE_TRANSPARENCY
70 "_XROOTPMAP_ID",
71 "ESETROOT_PMAP_ID",
72#endif
73#if ENABLE_XEMBED
74 "_XEMBED",
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",
35#endif 90# endif
91#endif
92};
93
94/////////////////////////////////////////////////////////////////////////////
36 95
37refcounted::refcounted (const char *id) 96refcounted::refcounted (const char *id)
38{ 97{
39 this->id = strdup (id); 98 this->id = strdup (id);
40} 99}
… …
93} 152}
94 153
95///////////////////////////////////////////////////////////////////////////// 154/////////////////////////////////////////////////////////////////////////////
96 155
97#ifdef USE_XIM 156#ifdef USE_XIM
157
98static void 158static void
99#if XIMCB_PROTO_BROKEN 159#if XIMCB_PROTO_BROKEN
100im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 160im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
101#else 161#else
102im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
114bool 174bool
115rxvt_xim::ref_init () 175rxvt_xim::ref_init ()
116{ 176{
117 display = GET_R->display; //HACK: TODO 177 display = GET_R->display; //HACK: TODO
118 178
119 xim = XOpenIM (display->display, NULL, NULL, NULL); 179 xim = XOpenIM (display->dpy, 0, 0, 0);
120 180
121 if (!xim) 181 if (!xim)
122 return false; 182 return false;
123 183
124 XIMCallback ximcallback; 184 XIMCallback ximcallback;
125 ximcallback.client_data = (XPointer)this; 185 ximcallback.client_data = (XPointer)this;
126 ximcallback.callback = im_destroy_cb; 186 ximcallback.callback = im_destroy_cb;
127 187
128 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
129 189
130 return true; 190 return true;
131} 191}
132 192
133rxvt_xim::~rxvt_xim () 193rxvt_xim::~rxvt_xim ()
134{ 194{
135 if (xim) 195 if (xim)
136 XCloseIM (xim); 196 XCloseIM (xim);
137} 197}
198
138#endif 199#endif
200
201/////////////////////////////////////////////////////////////////////////////
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
253void
254rxvt_screen::set (rxvt_display *disp)
255{
256 display = disp;
257 dpy = disp->dpy;
258
259 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
260
261 depth = DefaultDepthOfScreen (screen);
262 visual = DefaultVisualOfScreen (screen);
263 cmap = DefaultColormapOfScreen (screen);
264}
265
266void
267rxvt_screen::select_visual (int bitdepth)
268{
269#if XFT
270 XVisualInfo vinfo;
271
272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
273 {
274 depth = bitdepth;
275 visual = vinfo.visual;
276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
277 }
278#endif
279}
280
281void
282rxvt_screen::clear ()
283{
284#if XFT
285 if (scratch_area)
286 {
287 XFreePixmap (dpy, scratch_area->drawable);
288 delete scratch_area;
289 }
290#endif
291
292 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
293 XFreeColormap (dpy, cmap);
294}
139 295
140///////////////////////////////////////////////////////////////////////////// 296/////////////////////////////////////////////////////////////////////////////
141 297
142rxvt_display::rxvt_display (const char *id) 298rxvt_display::rxvt_display (const char *id)
143: refcounted (id) 299: refcounted (id)
144, x_ev (this, &rxvt_display::x_cb)
145, selection_owner (0) 300, selection_owner (0)
146{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
147} 304}
148 305
149XrmDatabase 306XrmDatabase
150rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
151{ 308{
152 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
153 char fname[1024]; 310 char fname[1024];
154 311
155 /* 312 /*
156 * get resources using the X library function 313 * get resources using the X library function
157 */ 314 */
158 char *displayResource, *xe; 315 char *displayResource, *xe;
159 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
160
161 database = NULL;
162 317
163 // 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
164 320
165 // 6. System wide per application default file. 321 // 6. System wide per application default file.
166 322
167 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 323 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
168 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 324 if ((xe = getenv ("XAPPLRESDIR")))
169 { 325 {
170 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 326 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
171 327
172 if ((rdb1 = XrmGetFileDatabase (fname))) 328 if ((rdb1 = XrmGetFileDatabase (fname)))
173 XrmMergeDatabases (rdb1, &database); 329 XrmMergeDatabases (rdb1, &database);
… …
175 331
176 // 5. User's per application default file. 332 // 5. User's per application default file.
177 // none 333 // none
178 334
179 // 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
180 /* 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
181 displayResource = XResourceManagerString (display); 379 displayResource = XResourceManagerString (dpy);
182 380
183 if (displayResource != NULL) 381 if (displayResource)
184 { 382 {
185 if ((rdb1 = XrmGetStringDatabase (displayResource))) 383 if ((rdb1 = XrmGetStringDatabase (displayResource)))
186 XrmMergeDatabases (rdb1, &database); 384 XrmMergeDatabases (rdb1, &database);
187 } 385 }
188 else if (homedir)
189 {
190 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
191 386
192 if ((rdb1 = XrmGetFileDatabase (fname))) 387#if !XLIB_ILLEGAL_ACCESS
193 XrmMergeDatabases (rdb1, &database); 388 if (refresh && displayResource)
194 } 389 XFree (displayResource);
390#endif
195 391
196 /* Get screen specific resources */ 392 /* Get screen specific resources */
197 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 393 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
198 394
199 if (displayResource != NULL) 395 if (displayResource)
200 { 396 {
201 if ((rdb1 = XrmGetStringDatabase (displayResource))) 397 if ((rdb1 = XrmGetStringDatabase (displayResource)))
202 /* Merge with screen-independent resources */ 398 /* Merge with screen-independent resources */
203 XrmMergeDatabases (rdb1, &database); 399 XrmMergeDatabases (rdb1, &database);
204 400
205 XFree (displayResource); 401 XFree (displayResource);
206 } 402 }
207 403
208 // 3. User's per host defaults file 404 // 3. User's per host defaults file
209 /* Add in XENVIRONMENT file */ 405 /* Add in XENVIRONMENT file */
210 if ((xe = (char *)getenv ("XENVIRONMENT")) 406 if ((xe = getenv ("XENVIRONMENT"))
211 && (rdb1 = XrmGetFileDatabase (xe))) 407 && (rdb1 = XrmGetFileDatabase (xe)))
212 XrmMergeDatabases (rdb1, &database); 408 XrmMergeDatabases (rdb1, &database);
213 else if (homedir) 409 else if (homedir)
214 { 410 {
215 struct utsname un; 411 struct utsname un;
… …
232 if (id[0] == ':') 428 if (id[0] == ':')
233 { 429 {
234 val = rxvt_malloc (5 + strlen (id) + 1); 430 val = rxvt_malloc (5 + strlen (id) + 1);
235 strcpy (val, "unix/"); 431 strcpy (val, "unix/");
236 strcat (val, id); 432 strcat (val, id);
237 display = XOpenDisplay (val); 433 dpy = XOpenDisplay (val);
238 free (val); 434 free (val);
239 } 435 }
240 else 436 else
241#endif 437#endif
242 display = 0; 438 dpy = 0;
243 439
244 if (!display) 440 if (!dpy)
245 display = XOpenDisplay (id); 441 dpy = XOpenDisplay (id);
246 442
247 if (!display) 443 if (!dpy)
248 return false; 444 return false;
249 445
250 screen = DefaultScreen (display); 446 screen = DefaultScreen (dpy);
251 root = DefaultRootWindow (display); 447 root = DefaultRootWindow (dpy);
252 visual = DefaultVisual (display, screen);
253 cmap = DefaultColormap (display, screen);
254 depth = DefaultDepth (display, screen);
255 448
449 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
450 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
451
256 XrmSetDatabase (display, get_resources ()); 452 XrmSetDatabase (dpy, get_resources (false));
257 453
258#ifdef POINTER_BLANK 454#ifdef POINTER_BLANK
259 XColor blackcolour; 455 XColor blackcolour;
260 blackcolour.red = 0; 456 blackcolour.red = 0;
261 blackcolour.green = 0; 457 blackcolour.green = 0;
262 blackcolour.blue = 0; 458 blackcolour.blue = 0;
263 Font f = XLoadFont (display, "fixed"); 459 Font f = XLoadFont (dpy, "fixed");
264 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 460 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
265 &blackcolour, &blackcolour); 461 &blackcolour, &blackcolour);
266 XUnloadFont (display, f); 462 XUnloadFont (dpy, f);
267#endif 463#endif
268 464
269#ifdef PREFER_24BIT
270 /*
271 * If depth is not 24, look for a 24bit visual.
272 */
273 if (depth != 24)
274 {
275 XVisualInfo vinfo;
276
277 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
278 {
279 depth = 24;
280 visual = vinfo.visual;
281 cmap = XCreateColormap (display,
282 RootWindow (display, screen),
283 visual, AllocNone);
284 }
285 }
286#endif
287
288 int fd = XConnectionNumber (display); 465 int fd = XConnectionNumber (dpy);
289 466
290#ifndef NO_SLOW_LINK_SUPPORT
291 // try to detect wether we have a local connection. 467 // try to detect wether we have a local connection.
292 // assume unix domains socket == local, everything else not 468 // assume unix domain socket == local, everything else not
293 // TODO: might want to check for inet/127.0.0.1 469 // TODO: might want to check for inet/127.0.0.1
294 is_local = 0; 470 is_local = 0;
295 sockaddr_un sa; 471 sockaddr_un sa;
296 socklen_t sl = sizeof (sa); 472 socklen_t sl = sizeof (sa);
297 473
298 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 474 if (!getsockname (fd, (sockaddr *)&sa, &sl))
299 is_local = sa.sun_family == AF_LOCAL; 475 is_local = sa.sun_family == AF_UNIX;
300#endif
301 476
477 flush_ev.start ();
302 x_ev.start (fd, EVENT_READ); 478 x_ev.start (fd, ev::READ);
303 fcntl (fd, F_SETFD, FD_CLOEXEC); 479 fcntl (fd, F_SETFD, FD_CLOEXEC);
304 480
305 XSelectInput (display, root, PropertyChangeMask); 481 XSelectInput (dpy, root, PropertyChangeMask);
306#ifdef USE_XIM
307 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
308#endif
309 482
310 flush (); 483 flush ();
311 484
312 return true; 485 return true;
313} 486}
314 487
315void 488void
316rxvt_display::ref_next () 489rxvt_display::ref_next ()
317{ 490{
318 // TODO: somehow check wether the database files/resources changed 491 // TODO: somehow check wether the database files/resources changed
319 // before re-loading/parsing 492 // before affording re-loading/parsing
320 XrmDestroyDatabase (XrmGetDatabase (display)); 493 XrmDestroyDatabase (XrmGetDatabase (dpy));
321 XrmSetDatabase (display, get_resources ()); 494 XrmSetDatabase (dpy, get_resources (true));
322} 495}
323 496
324rxvt_display::~rxvt_display () 497rxvt_display::~rxvt_display ()
325{ 498{
326 if (!display) 499 if (!dpy)
327 return; 500 return;
328 501
329#ifdef POINTER_BLANK 502#ifdef POINTER_BLANK
330 XFreeCursor (display, blank_cursor); 503 XFreeCursor (dpy, blank_cursor);
331#endif 504#endif
332 x_ev.stop (); 505 x_ev.stop ();
333#ifdef USE_XIM 506#ifdef USE_XIM
334 xims.clear (); 507 xims.clear ();
335#endif 508#endif
336 XCloseDisplay (display); 509 XCloseDisplay (dpy);
337} 510}
338 511
339#ifdef USE_XIM 512#ifdef USE_XIM
340void rxvt_display::im_change_cb () 513void rxvt_display::im_change_cb ()
341{ 514{
… …
349 // registers, as xlib crashes due to a race otherwise. 522 // registers, as xlib crashes due to a race otherwise.
350 Atom actual_type, *atoms; 523 Atom actual_type, *atoms;
351 int actual_format; 524 int actual_format;
352 unsigned long nitems, bytes_after; 525 unsigned long nitems, bytes_after;
353 526
354 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 527 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
355 False, XA_ATOM, &actual_type, &actual_format, 528 False, XA_ATOM, &actual_type, &actual_format,
356 &nitems, &bytes_after, (unsigned char **)&atoms) 529 &nitems, &bytes_after, (unsigned char **)&atoms)
357 != Success ) 530 != Success )
358 return; 531 return;
359 532
360 if (actual_type == XA_ATOM && actual_format == 32) 533 if (actual_type == XA_ATOM && actual_format == 32)
361 for (int i = 0; i < nitems; i++) 534 for (int i = 0; i < nitems; i++)
362 if (XGetSelectionOwner (display, atoms[i])) 535 if (XGetSelectionOwner (dpy, atoms[i]))
363 { 536 {
364 im_change_cb (); 537 im_change_cb ();
365 break; 538 break;
366 } 539 }
367 540
368 XFree (atoms); 541 XFree (atoms);
369} 542}
370#endif 543#endif
371 544
372void rxvt_display::x_cb (io_watcher &w, short revents) 545void rxvt_display::x_cb (ev::io &w, int revents)
373{ 546{
374 do 547 while (XEventsQueued (dpy, QueuedAfterReading))
375 { 548 {
376 XEvent xev; 549 XEvent xev;
377 XNextEvent (display, &xev); 550 XNextEvent (dpy, &xev);
378 551
379#ifdef USE_XIM 552#ifdef USE_XIM
380 if (!XFilterEvent (&xev, None)) 553 if (!XFilterEvent (&xev, None))
381 { 554 {
382 if (xev.type == PropertyNotify 555 if (xev.type == PropertyNotify
383 && xev.xany.window == root 556 && xev.xany.window == root
384 && xev.xproperty.atom == xa_xim_servers) 557 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
385 im_change_check (); 558 im_change_check ();
386#endif 559#endif
560 if (xev.type == MappingNotify)
561 XRefreshKeyboardMapping (&xev.xmapping);
562
387 for (int i = xw.size (); i--; ) 563 for (int i = xw.size (); i--; )
388 { 564 {
389 if (!xw[i]) 565 if (!xw[i])
390 xw.erase_unordered (i); 566 xw.erase_unordered (i);
391 else if (xw[i]->window == xev.xany.window) 567 else if (xw[i]->window == xev.xany.window)
… …
393 } 569 }
394#ifdef USE_XIM 570#ifdef USE_XIM
395 } 571 }
396#endif 572#endif
397 } 573 }
398 while (XEventsQueued (display, QueuedAlready));
399
400 XFlush (display);
401} 574}
402 575
403void rxvt_display::flush () 576void rxvt_display::flush ()
404{ 577{
405 if (XEventsQueued (display, QueuedAlready)) 578 flush_ev.start ();
406 x_cb (x_ev, EVENT_READ); 579}
407 580
581void rxvt_display::flush_cb (ev::prepare &w, int revents)
582{
583 w.stop ();
408 XFlush (display); 584 XFlush (dpy);
409} 585}
410 586
411void rxvt_display::reg (xevent_watcher *w) 587void rxvt_display::reg (xevent_watcher *w)
412{ 588{
589 if (!w->active)
590 {
413 xw.push_back (w); 591 xw.push_back (w);
414 w->active = xw.size (); 592 w->active = xw.size ();
593 }
415} 594}
416 595
417void rxvt_display::unreg (xevent_watcher *w) 596void rxvt_display::unreg (xevent_watcher *w)
418{ 597{
419 if (w->active) 598 if (w->active)
599 {
420 xw[w->active - 1] = 0; 600 xw[w->active - 1] = 0;
601 w->active = 0;
602 }
421} 603}
422 604
423void rxvt_display::set_selection_owner (rxvt_term *owner) 605void rxvt_display::set_selection_owner (rxvt_term *owner)
424{ 606{
425 if (selection_owner && selection_owner != owner) 607 if (selection_owner && selection_owner != owner)
… …
427 609
428 selection_owner = owner; 610 selection_owner = owner;
429} 611}
430 612
431#ifdef USE_XIM 613#ifdef USE_XIM
614
432void rxvt_display::reg (im_watcher *w) 615void rxvt_display::reg (im_watcher *w)
433{ 616{
434 imw.push_back (w); 617 imw.push_back (w);
435} 618}
436 619
… …
460 return xim; 643 return xim;
461} 644}
462 645
463void rxvt_display::put_xim (rxvt_xim *xim) 646void rxvt_display::put_xim (rxvt_xim *xim)
464{ 647{
465#if XLIB_IS_RACEFREE 648# if XLIB_IS_RACEFREE
466 xims.put (xim); 649 xims.put (xim);
467#endif 650# endif
468} 651}
652
469#endif 653#endif
470 654
471Atom rxvt_display::atom (const char *name) 655Atom rxvt_display::atom (const char *name)
472{ 656{
473 return XInternAtom (display, name, False); 657 return XInternAtom (dpy, name, False);
474} 658}
475 659
476///////////////////////////////////////////////////////////////////////////// 660/////////////////////////////////////////////////////////////////////////////
477 661
478template class refcache<rxvt_display>; 662template class refcache<rxvt_display>;
479refcache<rxvt_display> displays; 663refcache<rxvt_display> displays;
480 664
481///////////////////////////////////////////////////////////////////////////// 665/////////////////////////////////////////////////////////////////////////////
482 666//
667
668static unsigned int
669insert_component (unsigned int value, unsigned int mask, unsigned int shift)
670{
671 return (value * (mask + 1) >> 16) << shift;
672}
673
483bool 674bool
484rxvt_color::set (rxvt_display *display, Pixel p) 675rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
485{ 676{
486#if XFT 677#if XFT
487 XColor xc; 678 XRenderPictFormat *format;
488 679
489 xc.pixel = p; 680 // FUCKING Xft gets it wrong, of course, so work around it.
490 if (!XQueryColor (display->display, display->cmap, &xc)) 681 // Transparency users should eat shit and die, and then
491 return false; 682 // XRenderQueryPictIndexValues themselves plenty.
683 if ((screen->visual->c_class == TrueColor)
684 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
685 {
686 // the fun lies in doing everything manually...
687 c.color.red = color.r;
688 c.color.green = color.g;
689 c.color.blue = color.b;
690 c.color.alpha = color.a;
492 691
692 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
693 | insert_component (color.g, format->direct.greenMask, format->direct.green)
694 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
695 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
696
697 return true;
698 }
699 else
700 {
493 XRenderColor d; 701 XRenderColor d;
494 702
495 d.red = xc.red; 703 d.red = color.r;
496 d.green = xc.green; 704 d.green = color.g;
497 d.blue = xc.blue; 705 d.blue = color.b;
498 d.alpha = 0xffff; 706 d.alpha = color.a;
499 707
500 return 708 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
501 XftColorAllocValue (display->display, 709 }
502 display->visual,
503 display->cmap,
504 &d, &c);
505#else 710#else
506 this->p = p; 711 c.red = color.r;
507#endif 712 c.green = color.g;
713 c.blue = color.b;
508 714
715 if (screen->visual->c_class == TrueColor)
716 {
717 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
718 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
719 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
720
721 return true;
722 }
723 else if (XAllocColor (screen->dpy, screen->cmap, &c))
509 return true; 724 return true;
725 else
726 c.pixel = (color.r + color.g + color.b) > 128*3
727 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
728 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
729#endif
730
731 return false;
510} 732}
511 733
512bool 734bool
513rxvt_color::set (rxvt_display *display, const char *name) 735rxvt_color::set (rxvt_screen *screen, const char *name)
736{
737 rgba c;
738 char eos;
739 int skip;
740
741 // parse the nonstandard "[alphapercent]" prefix
742 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
743 {
744 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
745 name += skip;
746 }
747 else
748 c.a = rgba::MAX_CC;
749
750 // parse the non-standard "#aarrggbb" format
751 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))
752 {
753 if (c.r)
754 c.r = (c.r << 8) | 0x0ff;
755 if (c.g)
756 c.g = (c.g << 8) | 0x0ff;
757 if (c.b)
758 c.b = (c.b << 8) | 0x0ff;
759 if (c.a)
760 c.a = (c.a << 8) | 0x0ff;
761 }
762 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
763 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))
764 {
765 XColor xc;
766
767 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
768 {
769 c.r = xc.red;
770 c.g = xc.green;
771 c.b = xc.blue;
772 }
773 else
774 {
775 c.r = 0xffff;
776 c.g = 0x6969;
777 c.b = 0xb4b4;
778
779 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
780 }
781 }
782
783 return set (screen, c);
784}
785
786bool
787rxvt_color::set (rxvt_screen *screen, const rgba &color)
788{
789 bool got = alloc (screen, color);
790
791#if !ENABLE_MINIMAL
792 int cmap_size = screen->visual->map_entries;
793
794 if (!got
795 && screen->visual->c_class == PseudoColor
796 && cmap_size < 4096)
797 {
798 XColor *colors = new XColor [screen->visual->map_entries];
799
800 for (int i = 0; i < cmap_size; i++)
801 colors [i].pixel = i;
802
803 // many kilobytes transfer per colour, but pseudocolor isn't worth
804 // many extra optimisations.
805 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
806
807 int diff = 0x7fffffffUL;
808 XColor *best = colors;
809
810 for (int i = 0; i < cmap_size; i++)
811 {
812 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
813 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
814 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
815
816 if (d < diff)
817 {
818 diff = d;
819 best = colors + i;
820 }
821 }
822
823 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
824 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
825
826 got = alloc (screen, rgba (best->red, best->green, best->blue));
827
828 delete [] colors;
829 }
830#endif
831
832 return got;
833}
834
835void
836rxvt_color::get (rgba &color)
514{ 837{
515#if XFT 838#if XFT
516 return XftColorAllocName (display->display, display->visual, display->cmap, 839 color.r = c.color.red;
517 name, &c); 840 color.g = c.color.green;
841 color.b = c.color.blue;
842 color.a = c.color.alpha;
518#else 843#else
519 XColor xc; 844 color.r = c.red;
520 845 color.g = c.green;
521 if (XParseColor (display->display, display->cmap, name, &xc)) 846 color.b = c.blue;
522 return set (display, xc.red, xc.green, xc.blue); 847 color.a = rgba::MAX_CC;
523
524 return false;
525#endif 848#endif
526} 849}
527 850
528bool
529rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
530{
531 XColor xc;
532
533 xc.red = cr;
534 xc.green = cg;
535 xc.blue = cb;
536 xc.flags = DoRed | DoGreen | DoBlue;
537
538 if (XAllocColor (display->display, display->cmap, &xc))
539 return set (display, xc.pixel);
540
541 return false;
542}
543
544void 851void
545rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 852rxvt_color::get (XColor &color)
546{ 853{
854 rgba c;
855 get (c);
856
857 color.red = c.r;
858 color.green = c.g;
859 color.blue = c.b;
860 color.pixel = (Pixel)*this;
861}
862
863void
864rxvt_color::free (rxvt_screen *screen)
865{
866 if (screen->visual->c_class == TrueColor)
867 return; // nothing to do
868
547#if XFT 869#if XFT
548 cr = c.color.red; 870 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
549 cg = c.color.green;
550 cb = c.color.blue;
551#else 871#else
552 XColor c; 872 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
553
554 c.pixel = p;
555 XQueryColor (display->display, display->cmap, &c);
556
557 cr = c.red;
558 cg = c.green;
559 cb = c.blue;
560#endif 873#endif
561} 874}
562 875
563void 876void
564rxvt_color::free (rxvt_display *display) 877rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
565{ 878{
566#if XFT 879 rgba c;
567 XftColorFree (display->display, display->visual, display->cmap, &c); 880 get (c);
568#else
569 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
570#endif
571}
572 881
573rxvt_color 882 result.set (
574rxvt_color::fade (rxvt_display *display, int percent) 883 screen,
575{ 884 rgba (
576 percent = 100 - percent; 885 lerp (c.r, to.r, percent),
577 886 lerp (c.g, to.g, percent),
578 unsigned short cr, cg, cb; 887 lerp (c.b, to.b, percent),
579 rxvt_color faded; 888 lerp (c.a, to.a, percent)
580 889 )
581 get (display, cr, cg, cb);
582
583 faded.set (
584 display,
585 cr * percent / 100,
586 cg * percent / 100,
587 cb * percent / 100
588 ); 890 );
891}
589 892
893#if TRACE_PIXMAPS
894# undef XCreatePixmap
895# undef XFreePixmap
896Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
897{
898 Pixmap res = XCreatePixmap (dpy, r, w, h, d);
899 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
590 return faded; 900 return res;
591} 901}
592 902
593#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 903void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
594
595rxvt_color
596rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
597{ 904{
598 percent = 100 - percent; 905 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
599 906 XFreePixmap (dpy,p);
600 unsigned short cr, cg, cb;
601 unsigned short fcr, fcg, fcb;
602 rxvt_color faded;
603
604 get (display, cr, cg, cb);
605 fadeto.get(display, fcr, fcg, fcb);
606
607 faded.set (
608 display,
609 LERP (cr, fcr, percent),
610 LERP (cg, fcg, percent),
611 LERP (cb, fcb, percent)
612 );
613
614 return faded;
615} 907}
616 908#endif

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