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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.29 by root, Sun Jan 29 21:45:47 2006 UTC vs.
Revision 1.101 by root, Sat Jan 26 14:35:28 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>
33
34#if XFT
35# include <X11/extensions/Xrender.h>
35#endif 36#endif
36 37
37const char *const xa_names[] = 38const char *const xa_names[] =
38 { 39{
39 "TEXT", 40 "TEXT",
40 "COMPOUND_TEXT", 41 "COMPOUND_TEXT",
41 "UTF8_STRING", 42 "UTF8_STRING",
42 "MULTIPLE", 43 "MULTIPLE",
43 "TARGETS", 44 "TARGETS",
44 "TIMESTAMP", 45 "TIMESTAMP",
45 "VT_SELECTION", 46 "VT_SELECTION",
46 "INCR", 47 "INCR",
47 "WM_PROTOCOLS", 48 "WM_PROTOCOLS",
48 "WM_DELETE_WINDOW", 49 "WM_DELETE_WINDOW",
49 "CLIPBOARD", 50 "CLIPBOARD",
51 "AVERAGE_WIDTH",
52 "WEIGHT_NAME",
53 "SLANT",
54 "CHARSET_REGISTRY",
55 "CHARSET_ENCODING",
50#if ENABLE_FRILLS 56#if ENABLE_FRILLS
51 "_MOTIF_WM_HINTS", 57 "_MOTIF_WM_HINTS",
52#endif 58#endif
53#if ENABLE_EWMH 59#if ENABLE_EWMH
54 "_NET_WM_PID", 60 "_NET_WM_PID",
55 "_NET_WM_NAME", 61 "_NET_WM_NAME",
56 "_NET_WM_ICON_NAME", 62 "_NET_WM_ICON_NAME",
57 "_NET_WM_PING", 63 "_NET_WM_PING",
58#endif 64#endif
59#if USE_XIM 65#if USE_XIM
60 "WM_LOCALE_NAME", 66 "WM_LOCALE_NAME",
61 "XIM_SERVERS", 67 "XIM_SERVERS",
62#endif 68#endif
63#ifdef TRANSPARENT 69#ifdef ENABLE_TRANSPARENCY
64 "_XROOTPMAP_ID", 70 "_XROOTPMAP_ID",
65 "ESETROOT_PMAP_ID", 71 "ESETROOT_PMAP_ID",
66#endif 72#endif
67#if ENABLE_XEMBED 73#if ENABLE_XEMBED
68 "_XEMBED", 74 "_XEMBED",
69 "_XEMBED_INFO", 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",
70#endif 90# endif
71 }; 91#endif
92};
72 93
73///////////////////////////////////////////////////////////////////////////// 94/////////////////////////////////////////////////////////////////////////////
74 95
75refcounted::refcounted (const char *id) 96refcounted::refcounted (const char *id)
76{ 97{
… …
153bool 174bool
154rxvt_xim::ref_init () 175rxvt_xim::ref_init ()
155{ 176{
156 display = GET_R->display; //HACK: TODO 177 display = GET_R->display; //HACK: TODO
157 178
158 xim = XOpenIM (display->display, NULL, NULL, NULL); 179 xim = XOpenIM (display->dpy, 0, 0, 0);
159 180
160 if (!xim) 181 if (!xim)
161 return false; 182 return false;
162 183
163 XIMCallback ximcallback; 184 XIMCallback ximcallback;
164 ximcallback.client_data = (XPointer)this; 185 ximcallback.client_data = (XPointer)this;
165 ximcallback.callback = im_destroy_cb; 186 ximcallback.callback = im_destroy_cb;
166 187
167 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
168 189
169 return true; 190 return true;
170} 191}
171 192
172rxvt_xim::~rxvt_xim () 193rxvt_xim::~rxvt_xim ()
… …
177 198
178#endif 199#endif
179 200
180///////////////////////////////////////////////////////////////////////////// 201/////////////////////////////////////////////////////////////////////////////
181 202
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
182void 253void
183rxvt_screen::set (rxvt_display *disp) 254rxvt_screen::set (rxvt_display *disp)
184{ 255{
185 display = disp; 256 display = disp;
186 xdisp = disp->display; 257 dpy = disp->dpy;
187 258
188 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 259 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
189 260
190 depth = DefaultDepthOfScreen (screen); 261 depth = DefaultDepthOfScreen (screen);
191 visual = DefaultVisualOfScreen (screen); 262 visual = DefaultVisualOfScreen (screen);
192 cmap = DefaultColormapOfScreen (screen); 263 cmap = DefaultColormapOfScreen (screen);
193} 264}
194 265
195void 266void
196rxvt_screen::set (rxvt_display *disp, int bitdepth) 267rxvt_screen::select_visual (int bitdepth)
197{ 268{
198 set (disp); 269#if XFT
199
200 XVisualInfo vinfo; 270 XVisualInfo vinfo;
201 271
202 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
203 { 273 {
204 depth = bitdepth; 274 depth = bitdepth;
205 visual = vinfo.visual; 275 visual = vinfo.visual;
206 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
207 } 277 }
278#endif
208} 279}
209 280
210void 281void
211rxvt_screen::clear () 282rxvt_screen::clear ()
212{ 283{
284#if XFT
285 if (scratch_area)
286 {
287 XFreePixmap (dpy, scratch_area->drawable);
288 delete scratch_area;
289 }
290#endif
291
213 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 292 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
214 XFreeColormap (xdisp, cmap); 293 XFreeColormap (dpy, cmap);
215} 294}
216 295
217///////////////////////////////////////////////////////////////////////////// 296/////////////////////////////////////////////////////////////////////////////
218 297
219rxvt_display::rxvt_display (const char *id) 298rxvt_display::rxvt_display (const char *id)
220: refcounted (id) 299: refcounted (id)
221, x_ev (this, &rxvt_display::x_cb)
222, selection_owner (0) 300, selection_owner (0)
223{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
224} 304}
225 305
226XrmDatabase 306XrmDatabase
227rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
228{ 308{
229 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
230 char fname[1024]; 310 char fname[1024];
231 311
232 /* 312 /*
233 * get resources using the X library function 313 * get resources using the X library function
234 */ 314 */
235 char *displayResource, *xe; 315 char *displayResource, *xe;
236 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
237
238 database = NULL;
239 317
240 // 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
241 320
242 // 6. System wide per application default file. 321 // 6. System wide per application default file.
243 322
244 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 323 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
245 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 324 if ((xe = getenv ("XAPPLRESDIR")))
246 { 325 {
247 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 326 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
248 327
249 if ((rdb1 = XrmGetFileDatabase (fname))) 328 if ((rdb1 = XrmGetFileDatabase (fname)))
250 XrmMergeDatabases (rdb1, &database); 329 XrmMergeDatabases (rdb1, &database);
… …
252 331
253 // 5. User's per application default file. 332 // 5. User's per application default file.
254 // none 333 // none
255 334
256 // 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
257 /* 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
258 displayResource = XResourceManagerString (display); 379 displayResource = XResourceManagerString (dpy);
259 380
260 if (displayResource != NULL) 381 if (displayResource)
261 { 382 {
262 if ((rdb1 = XrmGetStringDatabase (displayResource))) 383 if ((rdb1 = XrmGetStringDatabase (displayResource)))
263 XrmMergeDatabases (rdb1, &database); 384 XrmMergeDatabases (rdb1, &database);
264 } 385 }
265 else if (homedir)
266 {
267 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
268 386
269 if ((rdb1 = XrmGetFileDatabase (fname))) 387#if !XLIB_ILLEGAL_ACCESS
270 XrmMergeDatabases (rdb1, &database); 388 if (refresh && displayResource)
271 } 389 XFree (displayResource);
390#endif
272 391
273 /* Get screen specific resources */ 392 /* Get screen specific resources */
274 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 393 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
275 394
276 if (displayResource != NULL) 395 if (displayResource)
277 { 396 {
278 if ((rdb1 = XrmGetStringDatabase (displayResource))) 397 if ((rdb1 = XrmGetStringDatabase (displayResource)))
279 /* Merge with screen-independent resources */ 398 /* Merge with screen-independent resources */
280 XrmMergeDatabases (rdb1, &database); 399 XrmMergeDatabases (rdb1, &database);
281 400
282 XFree (displayResource); 401 XFree (displayResource);
283 } 402 }
284 403
285 // 3. User's per host defaults file 404 // 3. User's per host defaults file
286 /* Add in XENVIRONMENT file */ 405 /* Add in XENVIRONMENT file */
287 if ((xe = (char *)getenv ("XENVIRONMENT")) 406 if ((xe = getenv ("XENVIRONMENT"))
288 && (rdb1 = XrmGetFileDatabase (xe))) 407 && (rdb1 = XrmGetFileDatabase (xe)))
289 XrmMergeDatabases (rdb1, &database); 408 XrmMergeDatabases (rdb1, &database);
290 else if (homedir) 409 else if (homedir)
291 { 410 {
292 struct utsname un; 411 struct utsname un;
… …
309 if (id[0] == ':') 428 if (id[0] == ':')
310 { 429 {
311 val = rxvt_malloc (5 + strlen (id) + 1); 430 val = rxvt_malloc (5 + strlen (id) + 1);
312 strcpy (val, "unix/"); 431 strcpy (val, "unix/");
313 strcat (val, id); 432 strcat (val, id);
314 display = XOpenDisplay (val); 433 dpy = XOpenDisplay (val);
315 free (val); 434 free (val);
316 } 435 }
317 else 436 else
318#endif 437#endif
319 display = 0; 438 dpy = 0;
320 439
321 if (!display) 440 if (!dpy)
322 display = XOpenDisplay (id); 441 dpy = XOpenDisplay (id);
323 442
324 if (!display) 443 if (!dpy)
325 return false; 444 return false;
326 445
327 screen = DefaultScreen (display); 446 screen = DefaultScreen (dpy);
328 root = DefaultRootWindow (display); 447 root = DefaultRootWindow (dpy);
329 448
330 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 449 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
331 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 450 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
332 451
333 XrmSetDatabase (display, get_resources ()); 452 XrmSetDatabase (dpy, get_resources (false));
334 453
335#ifdef POINTER_BLANK 454#ifdef POINTER_BLANK
336 XColor blackcolour; 455 XColor blackcolour;
337 blackcolour.red = 0; 456 blackcolour.red = 0;
338 blackcolour.green = 0; 457 blackcolour.green = 0;
339 blackcolour.blue = 0; 458 blackcolour.blue = 0;
340 Font f = XLoadFont (display, "fixed"); 459 Font f = XLoadFont (dpy, "fixed");
341 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 460 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
342 &blackcolour, &blackcolour); 461 &blackcolour, &blackcolour);
343 XUnloadFont (display, f); 462 XUnloadFont (dpy, f);
344#endif 463#endif
345 464
346 int fd = XConnectionNumber (display); 465 int fd = XConnectionNumber (dpy);
347 466
348#ifndef NO_SLOW_LINK_SUPPORT
349 // try to detect wether we have a local connection. 467 // try to detect wether we have a local connection.
350 // assume unix domains socket == local, everything else not 468 // assume unix domain socket == local, everything else not
351 // TODO: might want to check for inet/127.0.0.1 469 // TODO: might want to check for inet/127.0.0.1
352 is_local = 0; 470 is_local = 0;
353 sockaddr_un sa; 471 sockaddr_un sa;
354 socklen_t sl = sizeof (sa); 472 socklen_t sl = sizeof (sa);
355 473
356 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 474 if (!getsockname (fd, (sockaddr *)&sa, &sl))
357 is_local = sa.sun_family == AF_LOCAL; 475 is_local = sa.sun_family == AF_UNIX;
358#endif
359 476
477 flush_ev.start ();
360 x_ev.start (fd, EVENT_READ); 478 x_ev.start (fd, ev::READ);
361 fcntl (fd, F_SETFD, FD_CLOEXEC); 479 fcntl (fd, F_SETFD, FD_CLOEXEC);
362 480
363 XSelectInput (display, root, PropertyChangeMask); 481 XSelectInput (dpy, root, PropertyChangeMask);
364 482
365 flush (); 483 flush ();
366 484
367 return true; 485 return true;
368} 486}
369 487
370void 488void
371rxvt_display::ref_next () 489rxvt_display::ref_next ()
372{ 490{
373 // TODO: somehow check wether the database files/resources changed 491 // TODO: somehow check wether the database files/resources changed
374 // before re-loading/parsing 492 // before affording re-loading/parsing
375 XrmDestroyDatabase (XrmGetDatabase (display)); 493 XrmDestroyDatabase (XrmGetDatabase (dpy));
376 XrmSetDatabase (display, get_resources ()); 494 XrmSetDatabase (dpy, get_resources (true));
377} 495}
378 496
379rxvt_display::~rxvt_display () 497rxvt_display::~rxvt_display ()
380{ 498{
381 if (!display) 499 if (!dpy)
382 return; 500 return;
383 501
384#ifdef POINTER_BLANK 502#ifdef POINTER_BLANK
385 XFreeCursor (display, blank_cursor); 503 XFreeCursor (dpy, blank_cursor);
386#endif 504#endif
387 x_ev.stop (); 505 x_ev.stop ();
506 flush_ev.stop ();
388#ifdef USE_XIM 507#ifdef USE_XIM
389 xims.clear (); 508 xims.clear ();
390#endif 509#endif
391 XCloseDisplay (display); 510 XCloseDisplay (dpy);
392} 511}
393 512
394#ifdef USE_XIM 513#ifdef USE_XIM
395void rxvt_display::im_change_cb () 514void rxvt_display::im_change_cb ()
396{ 515{
… …
404 // registers, as xlib crashes due to a race otherwise. 523 // registers, as xlib crashes due to a race otherwise.
405 Atom actual_type, *atoms; 524 Atom actual_type, *atoms;
406 int actual_format; 525 int actual_format;
407 unsigned long nitems, bytes_after; 526 unsigned long nitems, bytes_after;
408 527
409 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 528 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
410 False, XA_ATOM, &actual_type, &actual_format, 529 False, XA_ATOM, &actual_type, &actual_format,
411 &nitems, &bytes_after, (unsigned char **)&atoms) 530 &nitems, &bytes_after, (unsigned char **)&atoms)
412 != Success ) 531 != Success )
413 return; 532 return;
414 533
415 if (actual_type == XA_ATOM && actual_format == 32) 534 if (actual_type == XA_ATOM && actual_format == 32)
416 for (int i = 0; i < nitems; i++) 535 for (int i = 0; i < nitems; i++)
417 if (XGetSelectionOwner (display, atoms[i])) 536 if (XGetSelectionOwner (dpy, atoms[i]))
418 { 537 {
419 im_change_cb (); 538 im_change_cb ();
420 break; 539 break;
421 } 540 }
422 541
423 XFree (atoms); 542 XFree (atoms);
424} 543}
425#endif 544#endif
426 545
427void rxvt_display::x_cb (io_watcher &w, short revents) 546void rxvt_display::x_cb (ev::io &w, int revents)
428{ 547{
548 flush_ev.start ();
549}
550
551void rxvt_display::flush_cb (ev::prepare &w, int revents)
552{
553 while (XEventsQueued (dpy, QueuedAfterFlush))
429 do 554 do
430 { 555 {
431 XEvent xev; 556 XEvent xev;
432 XNextEvent (display, &xev); 557 XNextEvent (dpy, &xev);
433 558
434#ifdef USE_XIM 559#ifdef USE_XIM
435 if (!XFilterEvent (&xev, None)) 560 if (!XFilterEvent (&xev, None))
436 { 561 {
437 if (xev.type == PropertyNotify 562 if (xev.type == PropertyNotify
438 && xev.xany.window == root 563 && xev.xany.window == root
439 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 564 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
440 im_change_check (); 565 im_change_check ();
441#endif 566#endif
567 if (xev.type == MappingNotify)
568 XRefreshKeyboardMapping (&xev.xmapping);
569
442 for (int i = xw.size (); i--; ) 570 for (int i = xw.size (); i--; )
443 { 571 {
444 if (!xw[i]) 572 if (!xw[i])
445 xw.erase_unordered (i); 573 xw.erase_unordered (i);
446 else if (xw[i]->window == xev.xany.window) 574 else if (xw[i]->window == xev.xany.window)
447 xw[i]->call (xev); 575 xw[i]->call (xev);
448 } 576 }
449#ifdef USE_XIM 577#ifdef USE_XIM
450 } 578 }
451#endif 579#endif
452 } 580 }
453 while (XEventsQueued (display, QueuedAlready)); 581 while (XEventsQueued (dpy, QueuedAlready));
454 582
455 XFlush (display); 583 w.stop ();
456}
457
458void rxvt_display::flush ()
459{
460 if (XEventsQueued (display, QueuedAlready))
461 x_cb (x_ev, EVENT_READ);
462
463 XFlush (display);
464} 584}
465 585
466void rxvt_display::reg (xevent_watcher *w) 586void rxvt_display::reg (xevent_watcher *w)
467{ 587{
588 if (!w->active)
589 {
468 xw.push_back (w); 590 xw.push_back (w);
469 w->active = xw.size (); 591 w->active = xw.size ();
592 }
470} 593}
471 594
472void rxvt_display::unreg (xevent_watcher *w) 595void rxvt_display::unreg (xevent_watcher *w)
473{ 596{
474 if (w->active) 597 if (w->active)
598 {
475 xw[w->active - 1] = 0; 599 xw[w->active - 1] = 0;
600 w->active = 0;
601 }
476} 602}
477 603
478void rxvt_display::set_selection_owner (rxvt_term *owner) 604void rxvt_display::set_selection_owner (rxvt_term *owner)
479{ 605{
480 if (selection_owner && selection_owner != owner) 606 if (selection_owner && selection_owner != owner)
607 {
608 rxvt_term *owner = selection_owner;
609
481 selection_owner->selection_clear (); 610 owner->selection_clear ();
611 owner->flush ();
612 }
482 613
483 selection_owner = owner; 614 selection_owner = owner;
484} 615}
485 616
486#ifdef USE_XIM 617#ifdef USE_XIM
618
487void rxvt_display::reg (im_watcher *w) 619void rxvt_display::reg (im_watcher *w)
488{ 620{
489 imw.push_back (w); 621 imw.push_back (w);
490} 622}
491 623
… …
515 return xim; 647 return xim;
516} 648}
517 649
518void rxvt_display::put_xim (rxvt_xim *xim) 650void rxvt_display::put_xim (rxvt_xim *xim)
519{ 651{
520#if XLIB_IS_RACEFREE 652# if XLIB_IS_RACEFREE
521 xims.put (xim); 653 xims.put (xim);
522#endif 654# endif
523} 655}
656
524#endif 657#endif
525 658
526Atom rxvt_display::atom (const char *name) 659Atom rxvt_display::atom (const char *name)
527{ 660{
528 return XInternAtom (display, name, False); 661 return XInternAtom (dpy, name, False);
529} 662}
530 663
531///////////////////////////////////////////////////////////////////////////// 664/////////////////////////////////////////////////////////////////////////////
532 665
533template class refcache<rxvt_display>; 666template class refcache<rxvt_display>;
534refcache<rxvt_display> displays; 667refcache<rxvt_display> displays;
535 668
536///////////////////////////////////////////////////////////////////////////// 669/////////////////////////////////////////////////////////////////////////////
537 670//
671
672static unsigned int
673insert_component (unsigned int value, unsigned int mask, unsigned int shift)
674{
675 return (value * (mask + 1) >> 16) << shift;
676}
677
678bool
679rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
680{
681 //TODO: only supports 24 bit
682 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
683
684#if XFT
685 XRenderPictFormat *format;
686
687 // FUCKING Xft gets it wrong, of course, so work around it.
688 // Transparency users should eat shit and die, and then
689 // XRenderQueryPictIndexValues themselves plenty.
690 if ((screen->visual->c_class == TrueColor)
691 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
692 {
693 // the fun lies in doing everything manually...
694 c.color.red = color.r;
695 c.color.green = color.g;
696 c.color.blue = color.b;
697 c.color.alpha = alpha;
698
699 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
700 | insert_component (color.g, format->direct.greenMask, format->direct.green)
701 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
702 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
703
704 return true;
705 }
706 else
707 {
708 XRenderColor d;
709
710 d.red = color.r;
711 d.green = color.g;
712 d.blue = color.b;
713 d.alpha = alpha;
714
715 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
716 }
717#else
718 c.red = color.r;
719 c.green = color.g;
720 c.blue = color.b;
721
722 if (screen->visual->c_class == TrueColor)
723 {
724 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
725 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
726 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
727
728 return true;
729 }
730 else if (XAllocColor (screen->dpy, screen->cmap, &c))
731 return true;
732 else
733 c.pixel = (color.r + color.g + color.b) > 128*3
734 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
735 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
736#endif
737
738 return false;
739}
740
538bool 741bool
539rxvt_color::set (rxvt_screen *screen, const char *name) 742rxvt_color::set (rxvt_screen *screen, const char *name)
540{ 743{
744 rgba c;
745 char eos;
746 int skip;
747
748 c.a = rgba::MAX_CC;
749
750 // parse the nonstandard "[alphapercent]" prefix
751 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
752 {
753 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
754 name += skip;
755 }
756
757 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
758 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
759 {
760 XColor xc;
761
762 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
763 {
764 c.r = xc.red;
765 c.g = xc.green;
766 c.b = xc.blue;
767 }
768 else
769 {
770 c.r = 0xffff;
771 c.g = 0x6969;
772 c.b = 0xb4b4;
773
774 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
775 }
776 }
777
778 return set (screen, c);
779}
780
781bool
782rxvt_color::set (rxvt_screen *screen, const rgba &color)
783{
784 bool got = alloc (screen, color);
785
786#if !ENABLE_MINIMAL
787 int cmap_size = screen->visual->map_entries;
788
789 if (!got
790 && screen->visual->c_class == PseudoColor
791 && cmap_size < 4096)
792 {
793 XColor *colors = new XColor [screen->visual->map_entries];
794
795 for (int i = 0; i < cmap_size; i++)
796 colors [i].pixel = i;
797
798 // many kilobytes transfer per colour, but pseudocolor isn't worth
799 // many extra optimisations.
800 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
801
802 int diff = 0x7fffffffUL;
803 XColor *best = colors;
804
805 for (int i = 0; i < cmap_size; i++)
806 {
807 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
808 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
809 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
810
811 if (d < diff)
812 {
813 diff = d;
814 best = colors + i;
815 }
816 }
817
818 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
819 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
820
821 got = alloc (screen, rgba (best->red, best->green, best->blue));
822
823 delete [] colors;
824 }
825#endif
826
827 return got;
828}
829
830void
831rxvt_color::get (rgba &color)
832{
541#if XFT 833#if XFT
542 int l = strlen (name); 834 color.r = c.color.red;
543 rxvt_rgba r; 835 color.g = c.color.green;
544 char eos; 836 color.b = c.color.blue;
545 int mult; 837 color.a = c.color.alpha;
546
547 if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
548 mult = rxvt_rgba::MAX_CC / 0x000f;
549 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
550 mult = rxvt_rgba::MAX_CC / 0x00ff;
551 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
552 mult = rxvt_rgba::MAX_CC / 0xffff;
553 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
554 mult = rxvt_rgba::MAX_CC / 0xffff;
555 else
556 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
557
558 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
559 return set (screen, r);
560#else 838#else
561 XColor xc; 839 color.r = c.red;
562 840 color.g = c.green;
563 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 841 color.b = c.blue;
564 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 842 color.a = rgba::MAX_CC;
565
566 return false;
567#endif 843#endif
568} 844}
569 845
570bool 846void
847rxvt_color::get (XColor &color)
848{
849 rgba c;
850 get (c);
851
852 color.red = c.r;
853 color.green = c.g;
854 color.blue = c.b;
855 color.pixel = (Pixel)*this;
856}
857
858void
571rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 859rxvt_color::free (rxvt_screen *screen)
572{ 860{
861 if (screen->visual->c_class == TrueColor)
862 return; // nothing to do
863
573#if XFT 864#if XFT
574 XRenderColor d;
575
576 d.red = rgba.r;
577 d.green = rgba.g;
578 d.blue = rgba.b;
579 d.alpha = rgba.a;
580
581 if (XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c)) 865 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
582 {
583 // FUCKING Xft gets it wrong, of course, fix it for the common case
584 // transparency users should eat shit and die, and then
585 // XRenderQueryPictIndexValues themselves plenty.
586 if (screen->depth == 32
587 && screen->visual->c_class == TrueColor
588 && screen->visual->red_mask == 0x00ff0000
589 && screen->visual->green_mask == 0x0000ff00
590 && screen->visual->blue_mask == 0x000000ff)
591 c.pixel = c.pixel & 0x00ffffffUL | ((rgba.a >> 8) << 24);
592
593 return true;
594 }
595
596 return false;
597#else 866#else
598 XColor xc;
599
600 xc.red = rgba.r;
601 xc.green = rgba.g;
602 xc.blue = rgba.b;
603 xc.flags = DoRed | DoGreen | DoBlue;
604
605 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
606 {
607 p = xc.pixel;
608 return true;
609 }
610
611 return false;
612#endif
613}
614
615void
616rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
617{
618#if XFT
619 rgba.r = c.color.red;
620 rgba.g = c.color.green;
621 rgba.b = c.color.blue;
622 rgba.a = c.color.alpha;
623#else
624 XColor c;
625
626 c.pixel = p;
627 XQueryColor (screen->xdisp, screen->cmap, &c);
628
629 rgba.r = c.red;
630 rgba.g = c.green;
631 rgba.b = c.blue;
632 rgba.a = rxvt_rgba::MAX_CC;
633#endif
634}
635
636void
637rxvt_color::free (rxvt_screen *screen)
638{
639#if XFT
640 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
641#else
642 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 867 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
643#endif 868#endif
644} 869}
645 870
646rxvt_color 871void
647rxvt_color::fade (rxvt_screen *screen, int percent)
648{
649 rxvt_color faded;
650
651 rxvt_rgba c;
652 get (screen, c);
653
654 c.r = lerp (0, c.r, percent);
655 c.g = lerp (0, c.g, percent);
656 c.b = lerp (0, c.b, percent);
657
658 faded.set (screen, c);
659
660 return faded;
661}
662
663rxvt_color
664rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 872rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
665{ 873{
666 rxvt_rgba c, fc; 874 rgba c;
667 rxvt_color faded; 875 get (c);
668
669 get (screen, c);
670 fadeto.get (screen, fc);
671 876
672 faded.set ( 877 result.set (
673 screen, 878 screen,
674 rxvt_rgba ( 879 rgba (
675 lerp (fc.r, c.r, percent), 880 lerp (c.r, to.r, percent),
676 lerp (fc.g, c.g, percent), 881 lerp (c.g, to.g, percent),
677 lerp (fc.b, c.b, percent), 882 lerp (c.b, to.b, percent),
678 lerp (fc.a, c.a, percent) 883 lerp (c.a, to.a, percent)
679 ) 884 )
680 ); 885 );
886}
681 887
888#if TRACE_PIXMAPS
889# undef XCreatePixmap
890# undef XFreePixmap
891Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
892{
893 Pixmap res = XCreatePixmap (dpy, r, w, h, d);
894 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
682 return faded; 895 return res;
683} 896}
684 897
898void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
899{
900 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
901 XFreePixmap (dpy,p);
902}
903#endif

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