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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.31 by root, Sun Jan 29 22:27:04 2006 UTC vs.
Revision 1.102 by root, Tue Nov 4 11:03:29 2008 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
41const char *const xa_names[] = 38const char *const xa_names[] =
42 { 39{
43 "TEXT", 40 "TEXT",
44 "COMPOUND_TEXT", 41 "COMPOUND_TEXT",
45 "UTF8_STRING", 42 "UTF8_STRING",
46 "MULTIPLE", 43 "MULTIPLE",
47 "TARGETS", 44 "TARGETS",
48 "TIMESTAMP", 45 "TIMESTAMP",
49 "VT_SELECTION", 46 "VT_SELECTION",
50 "INCR", 47 "INCR",
51 "WM_PROTOCOLS", 48 "WM_PROTOCOLS",
52 "WM_DELETE_WINDOW", 49 "WM_DELETE_WINDOW",
53 "CLIPBOARD", 50 "CLIPBOARD",
51 "AVERAGE_WIDTH",
52 "WEIGHT_NAME",
53 "SLANT",
54 "CHARSET_REGISTRY",
55 "CHARSET_ENCODING",
54#if ENABLE_FRILLS 56#if ENABLE_FRILLS
55 "_MOTIF_WM_HINTS", 57 "_MOTIF_WM_HINTS",
56#endif 58#endif
57#if ENABLE_EWMH 59#if ENABLE_EWMH
58 "_NET_WM_PID", 60 "_NET_WM_PID",
59 "_NET_WM_NAME", 61 "_NET_WM_NAME",
60 "_NET_WM_ICON_NAME", 62 "_NET_WM_ICON_NAME",
61 "_NET_WM_PING", 63 "_NET_WM_PING",
64 "_NET_WM_ICON",
62#endif 65#endif
63#if USE_XIM 66#if USE_XIM
64 "WM_LOCALE_NAME", 67 "WM_LOCALE_NAME",
65 "XIM_SERVERS", 68 "XIM_SERVERS",
66#endif 69#endif
67#ifdef TRANSPARENT 70#ifdef ENABLE_TRANSPARENCY
68 "_XROOTPMAP_ID", 71 "_XROOTPMAP_ID",
69 "ESETROOT_PMAP_ID", 72 "ESETROOT_PMAP_ID",
70#endif 73#endif
71#if ENABLE_XEMBED 74#if ENABLE_XEMBED
72 "_XEMBED", 75 "_XEMBED",
73 "_XEMBED_INFO", 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",
74#endif 91# endif
75 }; 92#endif
93};
76 94
77///////////////////////////////////////////////////////////////////////////// 95/////////////////////////////////////////////////////////////////////////////
78 96
79refcounted::refcounted (const char *id) 97refcounted::refcounted (const char *id)
80{ 98{
… …
157bool 175bool
158rxvt_xim::ref_init () 176rxvt_xim::ref_init ()
159{ 177{
160 display = GET_R->display; //HACK: TODO 178 display = GET_R->display; //HACK: TODO
161 179
162 xim = XOpenIM (display->display, NULL, NULL, NULL); 180 xim = XOpenIM (display->dpy, 0, 0, 0);
163 181
164 if (!xim) 182 if (!xim)
165 return false; 183 return false;
166 184
167 XIMCallback ximcallback; 185 XIMCallback ximcallback;
168 ximcallback.client_data = (XPointer)this; 186 ximcallback.client_data = (XPointer)this;
169 ximcallback.callback = im_destroy_cb; 187 ximcallback.callback = im_destroy_cb;
170 188
171 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 189 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
172 190
173 return true; 191 return true;
174} 192}
175 193
176rxvt_xim::~rxvt_xim () 194rxvt_xim::~rxvt_xim ()
… …
181 199
182#endif 200#endif
183 201
184///////////////////////////////////////////////////////////////////////////// 202/////////////////////////////////////////////////////////////////////////////
185 203
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
186void 254void
187rxvt_screen::set (rxvt_display *disp) 255rxvt_screen::set (rxvt_display *disp)
188{ 256{
189 display = disp; 257 display = disp;
190 xdisp = disp->display; 258 dpy = disp->dpy;
191 259
192 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 260 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
193 261
194 depth = DefaultDepthOfScreen (screen); 262 depth = DefaultDepthOfScreen (screen);
195 visual = DefaultVisualOfScreen (screen); 263 visual = DefaultVisualOfScreen (screen);
196 cmap = DefaultColormapOfScreen (screen); 264 cmap = DefaultColormapOfScreen (screen);
197} 265}
198 266
199void 267void
200rxvt_screen::set (rxvt_display *disp, int bitdepth) 268rxvt_screen::select_visual (int bitdepth)
201{ 269{
202 set (disp);
203
204#if XFT 270#if XFT
205 XVisualInfo vinfo; 271 XVisualInfo vinfo;
206 272
207 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 273 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
208 { 274 {
209 depth = bitdepth; 275 depth = bitdepth;
210 visual = vinfo.visual; 276 visual = vinfo.visual;
211 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 277 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
212 } 278 }
213#endif 279#endif
214} 280}
215 281
216void 282void
217rxvt_screen::clear () 283rxvt_screen::clear ()
218{ 284{
285#if XFT
286 if (scratch_area)
287 {
288 XFreePixmap (dpy, scratch_area->drawable);
289 delete scratch_area;
290 }
291#endif
292
219 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 293 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
220 XFreeColormap (xdisp, cmap); 294 XFreeColormap (dpy, cmap);
221} 295}
222 296
223///////////////////////////////////////////////////////////////////////////// 297/////////////////////////////////////////////////////////////////////////////
224 298
225rxvt_display::rxvt_display (const char *id) 299rxvt_display::rxvt_display (const char *id)
226: refcounted (id) 300: refcounted (id)
227, x_ev (this, &rxvt_display::x_cb)
228, selection_owner (0) 301, selection_owner (0)
229{ 302{
303 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
304 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
230} 305}
231 306
232XrmDatabase 307XrmDatabase
233rxvt_display::get_resources () 308rxvt_display::get_resources (bool refresh)
234{ 309{
235 char *homedir = (char *)getenv ("HOME"); 310 char *homedir = getenv ("HOME");
236 char fname[1024]; 311 char fname[1024];
237 312
238 /* 313 /*
239 * get resources using the X library function 314 * get resources using the X library function
240 */ 315 */
241 char *displayResource, *xe; 316 char *displayResource, *xe;
242 XrmDatabase database, rdb1; 317 XrmDatabase rdb1, database = 0;
243
244 database = NULL;
245 318
246 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 319 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
320 // as opposed to "standard practise", we always read in ~/.Xdefaults
247 321
248 // 6. System wide per application default file. 322 // 6. System wide per application default file.
249 323
250 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 324 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
251 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 325 if ((xe = getenv ("XAPPLRESDIR")))
252 { 326 {
253 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 327 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
254 328
255 if ((rdb1 = XrmGetFileDatabase (fname))) 329 if ((rdb1 = XrmGetFileDatabase (fname)))
256 XrmMergeDatabases (rdb1, &database); 330 XrmMergeDatabases (rdb1, &database);
… …
258 332
259 // 5. User's per application default file. 333 // 5. User's per application default file.
260 // none 334 // none
261 335
262 // 4. User's defaults file. 336 // 4. User's defaults file.
337 if (homedir)
338 {
339 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
340
341 if ((rdb1 = XrmGetFileDatabase (fname)))
342 XrmMergeDatabases (rdb1, &database);
343 }
344
263 /* Get any Xserver defaults */ 345 /* Get any Xserver defaults */
346 if (refresh)
347 {
348 // fucking xlib keeps a copy of the rm string
349 Atom actual_type;
350 int actual_format;
351 unsigned long nitems, nremaining;
352 char *val = 0;
353
354#if XLIB_ILLEGAL_ACCESS
355 if (dpy->xdefaults)
356 XFree (dpy->xdefaults);
357#endif
358
359 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
360 0L, 100000000L, False,
361 XA_STRING, &actual_type, &actual_format,
362 &nitems, &nremaining,
363 (unsigned char **)&val) == Success
364 && actual_type == XA_STRING
365 && actual_format == 8)
366 displayResource = val;
367 else
368 {
369 displayResource = 0;
370
371 if (val)
372 XFree(val);
373 }
374
375#if XLIB_ILLEGAL_ACCESS
376 dpy->xdefaults = displayResource;
377#endif
378 }
379 else
264 displayResource = XResourceManagerString (display); 380 displayResource = XResourceManagerString (dpy);
265 381
266 if (displayResource != NULL) 382 if (displayResource)
267 { 383 {
268 if ((rdb1 = XrmGetStringDatabase (displayResource))) 384 if ((rdb1 = XrmGetStringDatabase (displayResource)))
269 XrmMergeDatabases (rdb1, &database); 385 XrmMergeDatabases (rdb1, &database);
270 } 386 }
271 else if (homedir)
272 {
273 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
274 387
275 if ((rdb1 = XrmGetFileDatabase (fname))) 388#if !XLIB_ILLEGAL_ACCESS
276 XrmMergeDatabases (rdb1, &database); 389 if (refresh && displayResource)
277 } 390 XFree (displayResource);
391#endif
278 392
279 /* Get screen specific resources */ 393 /* Get screen specific resources */
280 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 394 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
281 395
282 if (displayResource != NULL) 396 if (displayResource)
283 { 397 {
284 if ((rdb1 = XrmGetStringDatabase (displayResource))) 398 if ((rdb1 = XrmGetStringDatabase (displayResource)))
285 /* Merge with screen-independent resources */ 399 /* Merge with screen-independent resources */
286 XrmMergeDatabases (rdb1, &database); 400 XrmMergeDatabases (rdb1, &database);
287 401
288 XFree (displayResource); 402 XFree (displayResource);
289 } 403 }
290 404
291 // 3. User's per host defaults file 405 // 3. User's per host defaults file
292 /* Add in XENVIRONMENT file */ 406 /* Add in XENVIRONMENT file */
293 if ((xe = (char *)getenv ("XENVIRONMENT")) 407 if ((xe = getenv ("XENVIRONMENT"))
294 && (rdb1 = XrmGetFileDatabase (xe))) 408 && (rdb1 = XrmGetFileDatabase (xe)))
295 XrmMergeDatabases (rdb1, &database); 409 XrmMergeDatabases (rdb1, &database);
296 else if (homedir) 410 else if (homedir)
297 { 411 {
298 struct utsname un; 412 struct utsname un;
… …
315 if (id[0] == ':') 429 if (id[0] == ':')
316 { 430 {
317 val = rxvt_malloc (5 + strlen (id) + 1); 431 val = rxvt_malloc (5 + strlen (id) + 1);
318 strcpy (val, "unix/"); 432 strcpy (val, "unix/");
319 strcat (val, id); 433 strcat (val, id);
320 display = XOpenDisplay (val); 434 dpy = XOpenDisplay (val);
321 free (val); 435 free (val);
322 } 436 }
323 else 437 else
324#endif 438#endif
325 display = 0; 439 dpy = 0;
326 440
327 if (!display) 441 if (!dpy)
328 display = XOpenDisplay (id); 442 dpy = XOpenDisplay (id);
329 443
330 if (!display) 444 if (!dpy)
331 return false; 445 return false;
332 446
333 screen = DefaultScreen (display); 447 screen = DefaultScreen (dpy);
334 root = DefaultRootWindow (display); 448 root = DefaultRootWindow (dpy);
335 449
336 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 450 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
337 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 451 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
338 452
339 XrmSetDatabase (display, get_resources ()); 453 XrmSetDatabase (dpy, get_resources (false));
340 454
341#ifdef POINTER_BLANK 455#ifdef POINTER_BLANK
342 XColor blackcolour; 456 XColor blackcolour;
343 blackcolour.red = 0; 457 blackcolour.red = 0;
344 blackcolour.green = 0; 458 blackcolour.green = 0;
345 blackcolour.blue = 0; 459 blackcolour.blue = 0;
346 Font f = XLoadFont (display, "fixed"); 460 Font f = XLoadFont (dpy, "fixed");
347 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 461 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
348 &blackcolour, &blackcolour); 462 &blackcolour, &blackcolour);
349 XUnloadFont (display, f); 463 XUnloadFont (dpy, f);
350#endif 464#endif
351 465
352 int fd = XConnectionNumber (display); 466 int fd = XConnectionNumber (dpy);
353 467
354#ifndef NO_SLOW_LINK_SUPPORT
355 // try to detect wether we have a local connection. 468 // try to detect wether we have a local connection.
356 // assume unix domains socket == local, everything else not 469 // assume unix domain socket == local, everything else not
357 // TODO: might want to check for inet/127.0.0.1 470 // TODO: might want to check for inet/127.0.0.1
358 is_local = 0; 471 is_local = 0;
359 sockaddr_un sa; 472 sockaddr_un sa;
360 socklen_t sl = sizeof (sa); 473 socklen_t sl = sizeof (sa);
361 474
362 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 475 if (!getsockname (fd, (sockaddr *)&sa, &sl))
363 is_local = sa.sun_family == AF_LOCAL; 476 is_local = sa.sun_family == AF_UNIX;
364#endif
365 477
478 flush_ev.start ();
366 x_ev.start (fd, EVENT_READ); 479 x_ev.start (fd, ev::READ);
367 fcntl (fd, F_SETFD, FD_CLOEXEC); 480 fcntl (fd, F_SETFD, FD_CLOEXEC);
368 481
369 XSelectInput (display, root, PropertyChangeMask); 482 XSelectInput (dpy, root, PropertyChangeMask);
370 483
371 flush (); 484 flush ();
372 485
373 return true; 486 return true;
374} 487}
375 488
376void 489void
377rxvt_display::ref_next () 490rxvt_display::ref_next ()
378{ 491{
379 // TODO: somehow check wether the database files/resources changed 492 // TODO: somehow check wether the database files/resources changed
380 // before re-loading/parsing 493 // before affording re-loading/parsing
381 XrmDestroyDatabase (XrmGetDatabase (display)); 494 XrmDestroyDatabase (XrmGetDatabase (dpy));
382 XrmSetDatabase (display, get_resources ()); 495 XrmSetDatabase (dpy, get_resources (true));
383} 496}
384 497
385rxvt_display::~rxvt_display () 498rxvt_display::~rxvt_display ()
386{ 499{
387 if (!display) 500 if (!dpy)
388 return; 501 return;
389 502
390#ifdef POINTER_BLANK 503#ifdef POINTER_BLANK
391 XFreeCursor (display, blank_cursor); 504 XFreeCursor (dpy, blank_cursor);
392#endif 505#endif
393 x_ev.stop (); 506 x_ev.stop ();
507 flush_ev.stop ();
394#ifdef USE_XIM 508#ifdef USE_XIM
395 xims.clear (); 509 xims.clear ();
396#endif 510#endif
397 XCloseDisplay (display); 511 XCloseDisplay (dpy);
398} 512}
399 513
400#ifdef USE_XIM 514#ifdef USE_XIM
401void rxvt_display::im_change_cb () 515void rxvt_display::im_change_cb ()
402{ 516{
… …
410 // registers, as xlib crashes due to a race otherwise. 524 // registers, as xlib crashes due to a race otherwise.
411 Atom actual_type, *atoms; 525 Atom actual_type, *atoms;
412 int actual_format; 526 int actual_format;
413 unsigned long nitems, bytes_after; 527 unsigned long nitems, bytes_after;
414 528
415 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 529 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
416 False, XA_ATOM, &actual_type, &actual_format, 530 False, XA_ATOM, &actual_type, &actual_format,
417 &nitems, &bytes_after, (unsigned char **)&atoms) 531 &nitems, &bytes_after, (unsigned char **)&atoms)
418 != Success ) 532 != Success )
419 return; 533 return;
420 534
421 if (actual_type == XA_ATOM && actual_format == 32) 535 if (actual_type == XA_ATOM && actual_format == 32)
422 for (int i = 0; i < nitems; i++) 536 for (int i = 0; i < nitems; i++)
423 if (XGetSelectionOwner (display, atoms[i])) 537 if (XGetSelectionOwner (dpy, atoms[i]))
424 { 538 {
425 im_change_cb (); 539 im_change_cb ();
426 break; 540 break;
427 } 541 }
428 542
429 XFree (atoms); 543 XFree (atoms);
430} 544}
431#endif 545#endif
432 546
433void rxvt_display::x_cb (io_watcher &w, short revents) 547void rxvt_display::x_cb (ev::io &w, int revents)
434{ 548{
549 flush_ev.start ();
550}
551
552void rxvt_display::flush_cb (ev::prepare &w, int revents)
553{
554 while (XEventsQueued (dpy, QueuedAfterFlush))
435 do 555 do
436 { 556 {
437 XEvent xev; 557 XEvent xev;
438 XNextEvent (display, &xev); 558 XNextEvent (dpy, &xev);
439 559
440#ifdef USE_XIM 560#ifdef USE_XIM
441 if (!XFilterEvent (&xev, None)) 561 if (!XFilterEvent (&xev, None))
442 { 562 {
443 if (xev.type == PropertyNotify 563 if (xev.type == PropertyNotify
444 && xev.xany.window == root 564 && xev.xany.window == root
445 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 565 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
446 im_change_check (); 566 im_change_check ();
447#endif 567#endif
568 if (xev.type == MappingNotify)
569 XRefreshKeyboardMapping (&xev.xmapping);
570
448 for (int i = xw.size (); i--; ) 571 for (int i = xw.size (); i--; )
449 { 572 {
450 if (!xw[i]) 573 if (!xw[i])
451 xw.erase_unordered (i); 574 xw.erase_unordered (i);
452 else if (xw[i]->window == xev.xany.window) 575 else if (xw[i]->window == xev.xany.window)
453 xw[i]->call (xev); 576 xw[i]->call (xev);
454 } 577 }
455#ifdef USE_XIM 578#ifdef USE_XIM
456 } 579 }
457#endif 580#endif
458 } 581 }
459 while (XEventsQueued (display, QueuedAlready)); 582 while (XEventsQueued (dpy, QueuedAlready));
460 583
461 XFlush (display); 584 w.stop ();
462}
463
464void rxvt_display::flush ()
465{
466 if (XEventsQueued (display, QueuedAlready))
467 x_cb (x_ev, EVENT_READ);
468
469 XFlush (display);
470} 585}
471 586
472void rxvt_display::reg (xevent_watcher *w) 587void rxvt_display::reg (xevent_watcher *w)
473{ 588{
589 if (!w->active)
590 {
474 xw.push_back (w); 591 xw.push_back (w);
475 w->active = xw.size (); 592 w->active = xw.size ();
593 }
476} 594}
477 595
478void rxvt_display::unreg (xevent_watcher *w) 596void rxvt_display::unreg (xevent_watcher *w)
479{ 597{
480 if (w->active) 598 if (w->active)
599 {
481 xw[w->active - 1] = 0; 600 xw[w->active - 1] = 0;
601 w->active = 0;
602 }
482} 603}
483 604
484void rxvt_display::set_selection_owner (rxvt_term *owner) 605void rxvt_display::set_selection_owner (rxvt_term *owner)
485{ 606{
486 if (selection_owner && selection_owner != owner) 607 if (selection_owner && selection_owner != owner)
608 {
609 rxvt_term *owner = selection_owner;
610
487 selection_owner->selection_clear (); 611 owner->selection_clear ();
612 owner->flush ();
613 }
488 614
489 selection_owner = owner; 615 selection_owner = owner;
490} 616}
491 617
492#ifdef USE_XIM 618#ifdef USE_XIM
619
493void rxvt_display::reg (im_watcher *w) 620void rxvt_display::reg (im_watcher *w)
494{ 621{
495 imw.push_back (w); 622 imw.push_back (w);
496} 623}
497 624
… …
521 return xim; 648 return xim;
522} 649}
523 650
524void rxvt_display::put_xim (rxvt_xim *xim) 651void rxvt_display::put_xim (rxvt_xim *xim)
525{ 652{
526#if XLIB_IS_RACEFREE 653# if XLIB_IS_RACEFREE
527 xims.put (xim); 654 xims.put (xim);
528#endif 655# endif
529} 656}
657
530#endif 658#endif
531 659
532Atom rxvt_display::atom (const char *name) 660Atom rxvt_display::atom (const char *name)
533{ 661{
534 return XInternAtom (display, name, False); 662 return XInternAtom (dpy, name, False);
535} 663}
536 664
537///////////////////////////////////////////////////////////////////////////// 665/////////////////////////////////////////////////////////////////////////////
538 666
539template class refcache<rxvt_display>; 667template class refcache<rxvt_display>;
540refcache<rxvt_display> displays; 668refcache<rxvt_display> displays;
541 669
542///////////////////////////////////////////////////////////////////////////// 670/////////////////////////////////////////////////////////////////////////////
543 671//
672
673static unsigned int
674insert_component (unsigned int value, unsigned int mask, unsigned int shift)
675{
676 return (value * (mask + 1) >> 16) << shift;
677}
678
679bool
680rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
681{
682 //TODO: only supports 24 bit
683 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
684
685#if XFT
686 XRenderPictFormat *format;
687
688 // FUCKING Xft gets it wrong, of course, so work around it.
689 // Transparency users should eat shit and die, and then
690 // XRenderQueryPictIndexValues themselves plenty.
691 if ((screen->visual->c_class == TrueColor)
692 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
693 {
694 // the fun lies in doing everything manually...
695 c.color.red = color.r;
696 c.color.green = color.g;
697 c.color.blue = color.b;
698 c.color.alpha = alpha;
699
700 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
701 | insert_component (color.g, format->direct.greenMask, format->direct.green)
702 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
703 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
704
705 return true;
706 }
707 else
708 {
709 XRenderColor d;
710
711 d.red = color.r;
712 d.green = color.g;
713 d.blue = color.b;
714 d.alpha = alpha;
715
716 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
717 }
718#else
719 c.red = color.r;
720 c.green = color.g;
721 c.blue = color.b;
722
723 if (screen->visual->c_class == TrueColor)
724 {
725 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
726 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
727 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
728
729 return true;
730 }
731 else if (XAllocColor (screen->dpy, screen->cmap, &c))
732 return true;
733 else
734 c.pixel = (color.r + color.g + color.b) > 128*3
735 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
736 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
737#endif
738
739 return false;
740}
741
544bool 742bool
545rxvt_color::set (rxvt_screen *screen, const char *name) 743rxvt_color::set (rxvt_screen *screen, const char *name)
546{ 744{
745 rgba c;
746 char eos;
747 int skip;
748
749 c.a = rgba::MAX_CC;
750
751 // parse the nonstandard "[alphapercent]" prefix
752 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
753 {
754 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
755 name += skip;
756 }
757
758 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
759 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
760 {
761 XColor xc;
762
763 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
764 {
765 c.r = xc.red;
766 c.g = xc.green;
767 c.b = xc.blue;
768 }
769 else
770 {
771 c.r = 0xffff;
772 c.g = 0x6969;
773 c.b = 0xb4b4;
774
775 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
776 }
777 }
778
779 return set (screen, c);
780}
781
782bool
783rxvt_color::set (rxvt_screen *screen, const rgba &color)
784{
785 bool got = alloc (screen, color);
786
787#if !ENABLE_MINIMAL
788 int cmap_size = screen->visual->map_entries;
789
790 if (!got
791 && screen->visual->c_class == PseudoColor
792 && cmap_size < 4096)
793 {
794 XColor *colors = new XColor [screen->visual->map_entries];
795
796 for (int i = 0; i < cmap_size; i++)
797 colors [i].pixel = i;
798
799 // many kilobytes transfer per colour, but pseudocolor isn't worth
800 // many extra optimisations.
801 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
802
803 int diff = 0x7fffffffUL;
804 XColor *best = colors;
805
806 for (int i = 0; i < cmap_size; i++)
807 {
808 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
809 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
810 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
811
812 if (d < diff)
813 {
814 diff = d;
815 best = colors + i;
816 }
817 }
818
819 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
820 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
821
822 got = alloc (screen, rgba (best->red, best->green, best->blue));
823
824 delete [] colors;
825 }
826#endif
827
828 return got;
829}
830
831void
832rxvt_color::get (rgba &color)
833{
547#if XFT 834#if XFT
548 int l = strlen (name); 835 color.r = c.color.red;
549 rxvt_rgba r; 836 color.g = c.color.green;
550 char eos; 837 color.b = c.color.blue;
551 int mult; 838 color.a = c.color.alpha;
552
553 if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
554 mult = rxvt_rgba::MAX_CC / 0x000f;
555 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
556 mult = rxvt_rgba::MAX_CC / 0x00ff;
557 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
558 mult = rxvt_rgba::MAX_CC / 0xffff;
559 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
560 mult = rxvt_rgba::MAX_CC / 0xffff;
561 else
562 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
563
564 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
565 return set (screen, r);
566#else 839#else
567 XColor xc; 840 color.r = c.red;
568 841 color.g = c.green;
569 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 842 color.b = c.blue;
570 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 843 color.a = rgba::MAX_CC;
571
572 return false;
573#endif 844#endif
574} 845}
575 846
576bool 847void
848rxvt_color::get (XColor &color)
849{
850 rgba c;
851 get (c);
852
853 color.red = c.r;
854 color.green = c.g;
855 color.blue = c.b;
856 color.pixel = (Pixel)*this;
857}
858
859void
577rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 860rxvt_color::free (rxvt_screen *screen)
578{ 861{
862 if (screen->visual->c_class == TrueColor)
863 return; // nothing to do
864
579#if XFT 865#if XFT
580 XRenderPictFormat *format;
581
582 // FUCKING Xft gets it wrong, of course, so work around it
583 // transparency users should eat shit and die, and then
584 // XRenderQueryPictIndexValues themselves plenty.
585 if (screen->visual->c_class == TrueColor
586 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual)))
587 {
588 // the fun lies in doing everything manually...
589 c.color.red = rgba.r;
590 c.color.green = rgba.g;
591 c.color.blue = rgba.b;
592 c.color.alpha = rgba.a;
593
594 c.pixel = (rgba.r >> (16 - popcount (format->direct.redMask )) << format->direct.red)
595 | (rgba.g >> (16 - popcount (format->direct.greenMask)) << format->direct.green)
596 | (rgba.b >> (16 - popcount (format->direct.blueMask )) << format->direct.blue)
597 | (rgba.a >> (16 - popcount (format->direct.alphaMask)) << format->direct.alpha);
598
599 return true;
600 }
601 else
602 {
603 XRenderColor d;
604
605 d.red = rgba.r;
606 d.green = rgba.g;
607 d.blue = rgba.b;
608 d.alpha = rgba.a;
609
610 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); 866 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
611 }
612
613 return false;
614#else 867#else
615 XColor xc;
616
617 xc.red = rgba.r;
618 xc.green = rgba.g;
619 xc.blue = rgba.b;
620 xc.flags = DoRed | DoGreen | DoBlue;
621
622 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
623 {
624 p = xc.pixel;
625 return true;
626 }
627
628 return false;
629#endif
630}
631
632void
633rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
634{
635#if XFT
636 rgba.r = c.color.red;
637 rgba.g = c.color.green;
638 rgba.b = c.color.blue;
639 rgba.a = c.color.alpha;
640#else
641 XColor c;
642
643 c.pixel = p;
644 XQueryColor (screen->xdisp, screen->cmap, &c);
645
646 rgba.r = c.red;
647 rgba.g = c.green;
648 rgba.b = c.blue;
649 rgba.a = rxvt_rgba::MAX_CC;
650#endif
651}
652
653void
654rxvt_color::free (rxvt_screen *screen)
655{
656#if XFT
657 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
658#else
659 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 868 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
660#endif 869#endif
661} 870}
662 871
663rxvt_color 872void
664rxvt_color::fade (rxvt_screen *screen, int percent)
665{
666 rxvt_color faded;
667
668 rxvt_rgba c;
669 get (screen, c);
670
671 c.r = lerp (0, c.r, percent);
672 c.g = lerp (0, c.g, percent);
673 c.b = lerp (0, c.b, percent);
674
675 faded.set (screen, c);
676
677 return faded;
678}
679
680rxvt_color
681rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 873rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
682{ 874{
683 rxvt_rgba c, fc; 875 rgba c;
684 rxvt_color faded; 876 get (c);
685
686 get (screen, c);
687 fadeto.get (screen, fc);
688 877
689 faded.set ( 878 result.set (
690 screen, 879 screen,
691 rxvt_rgba ( 880 rgba (
692 lerp (fc.r, c.r, percent), 881 lerp (c.r, to.r, percent),
693 lerp (fc.g, c.g, percent), 882 lerp (c.g, to.g, percent),
694 lerp (fc.b, c.b, percent), 883 lerp (c.b, to.b, percent),
695 lerp (fc.a, c.a, percent) 884 lerp (c.a, to.a, percent)
696 ) 885 )
697 ); 886 );
887}
698 888
889#if TRACE_PIXMAPS
890# undef XCreatePixmap
891# undef XFreePixmap
892Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
893{
894 Pixmap res = XCreatePixmap (dpy, r, w, h, d);
895 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
699 return faded; 896 return res;
700} 897}
701 898
899void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
900{
901 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
902 XFreePixmap (dpy,p);
903}
904#endif

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