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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.27 by root, Wed Jan 25 21:09:21 2006 UTC vs.
Revision 1.110 by sf-exg, Tue Dec 14 08:01:51 2010 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvttoolkit.C 2 * File: rxvttoolkit.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
26 26
27#include <unistd.h> 27#include <unistd.h>
28#include <fcntl.h> 28#include <fcntl.h>
29 29
30#include <sys/utsname.h> 30#include <sys/utsname.h>
31
32#ifndef NO_SLOW_LINK_SUPPORT
33# include <sys/socket.h> 31#include <sys/socket.h>
34# include <sys/un.h> 32#include <sys/un.h>
35#endif
36 33
34#if XFT
35# include <X11/extensions/Xrender.h>
36#endif
37
37const char *const xa_names[] = 38static const 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",
64 "_NET_WM_ICON",
58#endif 65#endif
59#if USE_XIM 66#if USE_XIM
60 "WM_LOCALE_NAME", 67 "WM_LOCALE_NAME",
61 "XIM_SERVERS", 68 "XIM_SERVERS",
62#endif 69#endif
63#ifdef TRANSPARENT 70#ifdef ENABLE_TRANSPARENCY
64 "_XROOTPMAP_ID", 71 "_XROOTPMAP_ID",
65 "ESETROOT_PMAP_ID", 72 "ESETROOT_PMAP_ID",
66#endif 73#endif
67#if ENABLE_XEMBED 74#if ENABLE_XEMBED
68 "_XEMBED", 75 "_XEMBED",
69 "_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",
70#endif 91# endif
71 }; 92#endif
93};
72 94
73///////////////////////////////////////////////////////////////////////////// 95/////////////////////////////////////////////////////////////////////////////
74 96
75refcounted::refcounted (const char *id) 97refcounted::refcounted (const char *id)
76{ 98{
… …
153bool 175bool
154rxvt_xim::ref_init () 176rxvt_xim::ref_init ()
155{ 177{
156 display = GET_R->display; //HACK: TODO 178 display = GET_R->display; //HACK: TODO
157 179
158 xim = XOpenIM (display->display, NULL, NULL, NULL); 180 xim = XOpenIM (display->dpy, 0, 0, 0);
159 181
160 if (!xim) 182 if (!xim)
161 return false; 183 return false;
162 184
163 XIMCallback ximcallback; 185 XIMCallback ximcallback;
164 ximcallback.client_data = (XPointer)this; 186 ximcallback.client_data = (XPointer)this;
165 ximcallback.callback = im_destroy_cb; 187 ximcallback.callback = im_destroy_cb;
166 188
167 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 189 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
168 190
169 return true; 191 return true;
170} 192}
171 193
172rxvt_xim::~rxvt_xim () 194rxvt_xim::~rxvt_xim ()
… …
177 199
178#endif 200#endif
179 201
180///////////////////////////////////////////////////////////////////////////// 202/////////////////////////////////////////////////////////////////////////////
181 203
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
182void 254void
183rxvt_screen::set (rxvt_display *disp) 255rxvt_screen::set (rxvt_display *disp)
184{ 256{
185 display = disp; 257 display = disp;
186 xdisp = disp->display; 258 dpy = disp->dpy;
187 259
188 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 260 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
189 261
190 depth = DefaultDepthOfScreen (screen); 262 depth = DefaultDepthOfScreen (screen);
191 visual = DefaultVisualOfScreen (screen); 263 visual = DefaultVisualOfScreen (screen);
192 cmap = DefaultColormapOfScreen (screen); 264 cmap = DefaultColormapOfScreen (screen);
193} 265}
194 266
195void 267void
196rxvt_screen::set (rxvt_display *disp, int depth) 268rxvt_screen::select_visual (int bitdepth)
197{ 269{
198 set (disp); 270#if XFT
199
200 XVisualInfo vinfo; 271 XVisualInfo vinfo;
201 272
202 if (XMatchVisualInfo (xdisp, display->screen, depth, TrueColor, &vinfo)) 273 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
203 { 274 {
204 this->depth = depth; 275 depth = bitdepth;
205 this->visual = vinfo.visual; 276 visual = vinfo.visual;
206 this->cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 277 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
207 } 278 }
279#endif
208} 280}
209 281
210void 282void
211rxvt_screen::clear () 283rxvt_screen::clear ()
212{ 284{
285#if XFT
286 if (scratch_area)
287 {
288 XFreePixmap (dpy, scratch_area->drawable);
289 delete scratch_area;
290 }
291#endif
292
213 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 293 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
214 XFreeColormap (xdisp, cmap); 294 XFreeColormap (dpy, cmap);
215} 295}
216 296
217///////////////////////////////////////////////////////////////////////////// 297/////////////////////////////////////////////////////////////////////////////
218 298
219rxvt_display::rxvt_display (const char *id) 299rxvt_display::rxvt_display (const char *id)
220: refcounted (id) 300: refcounted (id)
221, x_ev (this, &rxvt_display::x_cb)
222, selection_owner (0) 301, selection_owner (0)
302, clipboard_owner (0)
223{ 303{
304 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
305 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
224} 306}
225 307
226XrmDatabase 308XrmDatabase
227rxvt_display::get_resources () 309rxvt_display::get_resources (bool refresh)
228{ 310{
229 char *homedir = (char *)getenv ("HOME"); 311 char *homedir = getenv ("HOME");
230 char fname[1024]; 312 char fname[1024];
231 313
232 /* 314 /*
233 * get resources using the X library function 315 * get resources using the X library function
234 */ 316 */
235 char *displayResource, *xe; 317 char *displayResource, *xe;
236 XrmDatabase database, rdb1; 318 XrmDatabase rdb1, database = 0;
237
238 database = NULL;
239 319
240 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 320 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
321 // as opposed to "standard practise", we always read in ~/.Xdefaults
241 322
242 // 6. System wide per application default file. 323 // 6. System wide per application default file.
243 324
244 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 325 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
245 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 326 if ((xe = getenv ("XAPPLRESDIR")))
246 { 327 {
247 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 328 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
248 329
249 if ((rdb1 = XrmGetFileDatabase (fname))) 330 if ((rdb1 = XrmGetFileDatabase (fname)))
250 XrmMergeDatabases (rdb1, &database); 331 XrmMergeDatabases (rdb1, &database);
… …
252 333
253 // 5. User's per application default file. 334 // 5. User's per application default file.
254 // none 335 // none
255 336
256 // 4. User's defaults file. 337 // 4. User's defaults file.
338 if (homedir)
339 {
340 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
341
342 if ((rdb1 = XrmGetFileDatabase (fname)))
343 XrmMergeDatabases (rdb1, &database);
344 }
345
257 /* Get any Xserver defaults */ 346 /* Get any Xserver defaults */
347 if (refresh)
348 {
349 // fucking xlib keeps a copy of the rm string
350 Atom actual_type;
351 int actual_format;
352 unsigned long nitems, nremaining;
353 char *val = 0;
354
355#if XLIB_ILLEGAL_ACCESS
356 if (dpy->xdefaults)
357 XFree (dpy->xdefaults);
358#endif
359
360 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
361 0L, 100000000L, False,
362 XA_STRING, &actual_type, &actual_format,
363 &nitems, &nremaining,
364 (unsigned char **)&val) == Success
365 && actual_type == XA_STRING
366 && actual_format == 8)
367 displayResource = val;
368 else
369 {
370 displayResource = 0;
371
372 if (val)
373 XFree (val);
374 }
375
376#if XLIB_ILLEGAL_ACCESS
377 dpy->xdefaults = displayResource;
378#endif
379 }
380 else
258 displayResource = XResourceManagerString (display); 381 displayResource = XResourceManagerString (dpy);
259 382
260 if (displayResource != NULL) 383 if (displayResource)
261 { 384 {
262 if ((rdb1 = XrmGetStringDatabase (displayResource))) 385 if ((rdb1 = XrmGetStringDatabase (displayResource)))
263 XrmMergeDatabases (rdb1, &database); 386 XrmMergeDatabases (rdb1, &database);
264 } 387 }
265 else if (homedir)
266 {
267 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
268 388
269 if ((rdb1 = XrmGetFileDatabase (fname))) 389#if !XLIB_ILLEGAL_ACCESS
270 XrmMergeDatabases (rdb1, &database); 390 if (refresh && displayResource)
271 } 391 XFree (displayResource);
392#endif
272 393
273 /* Get screen specific resources */ 394 /* Get screen specific resources */
274 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 395 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
275 396
276 if (displayResource != NULL) 397 if (displayResource)
277 { 398 {
278 if ((rdb1 = XrmGetStringDatabase (displayResource))) 399 if ((rdb1 = XrmGetStringDatabase (displayResource)))
279 /* Merge with screen-independent resources */ 400 /* Merge with screen-independent resources */
280 XrmMergeDatabases (rdb1, &database); 401 XrmMergeDatabases (rdb1, &database);
281 402
282 XFree (displayResource); 403 XFree (displayResource);
283 } 404 }
284 405
285 // 3. User's per host defaults file 406 // 3. User's per host defaults file
286 /* Add in XENVIRONMENT file */ 407 /* Add in XENVIRONMENT file */
287 if ((xe = (char *)getenv ("XENVIRONMENT")) 408 if ((xe = getenv ("XENVIRONMENT"))
288 && (rdb1 = XrmGetFileDatabase (xe))) 409 && (rdb1 = XrmGetFileDatabase (xe)))
289 XrmMergeDatabases (rdb1, &database); 410 XrmMergeDatabases (rdb1, &database);
290 else if (homedir) 411 else if (homedir)
291 { 412 {
292 struct utsname un; 413 struct utsname un;
… …
306bool rxvt_display::ref_init () 427bool rxvt_display::ref_init ()
307{ 428{
308#ifdef LOCAL_X_IS_UNIX 429#ifdef LOCAL_X_IS_UNIX
309 if (id[0] == ':') 430 if (id[0] == ':')
310 { 431 {
311 val = rxvt_malloc (5 + strlen (id) + 1); 432 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
433 return false;
312 strcpy (val, "unix/"); 434 strcpy (val, "unix/");
313 strcat (val, id); 435 strcat (val, id);
314 display = XOpenDisplay (val); 436 dpy = XOpenDisplay (val);
315 free (val);
316 } 437 }
317 else 438 else
318#endif 439#endif
319 display = 0; 440 dpy = 0;
320 441
321 if (!display) 442 if (!dpy)
322 display = XOpenDisplay (id); 443 dpy = XOpenDisplay (id);
323 444
324 if (!display) 445 if (!dpy)
325 return false; 446 return false;
326 447
327 screen = DefaultScreen (display); 448 screen = DefaultScreen (dpy);
328 root = DefaultRootWindow (display); 449 root = DefaultRootWindow (dpy);
329 450
330 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 451 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
331 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 452 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
332 453
333 XrmSetDatabase (display, get_resources ()); 454 XrmSetDatabase (dpy, get_resources (false));
334 455
335#ifdef POINTER_BLANK 456#ifdef POINTER_BLANK
336 XColor blackcolour; 457 XColor blackcolour;
337 blackcolour.red = 0; 458 blackcolour.red = 0;
338 blackcolour.green = 0; 459 blackcolour.green = 0;
339 blackcolour.blue = 0; 460 blackcolour.blue = 0;
340 Font f = XLoadFont (display, "fixed"); 461 Font f = XLoadFont (dpy, "fixed");
341 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 462 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
342 &blackcolour, &blackcolour); 463 &blackcolour, &blackcolour);
343 XUnloadFont (display, f); 464 XUnloadFont (dpy, f);
344#endif 465#endif
345 466
346 int fd = XConnectionNumber (display); 467 int fd = XConnectionNumber (dpy);
347 468
348#ifndef NO_SLOW_LINK_SUPPORT
349 // try to detect wether we have a local connection. 469 // try to detect whether we have a local connection.
350 // assume unix domains socket == local, everything else not 470 // assume unix domain socket == local, everything else not
351 // TODO: might want to check for inet/127.0.0.1 471 // TODO: might want to check for inet/127.0.0.1
352 is_local = 0; 472 is_local = 0;
353 sockaddr_un sa; 473 sockaddr_un sa;
354 socklen_t sl = sizeof (sa); 474 socklen_t sl = sizeof (sa);
355 475
356 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 476 if (!getsockname (fd, (sockaddr *)&sa, &sl))
357 is_local = sa.sun_family == AF_LOCAL; 477 is_local = sa.sun_family == AF_UNIX;
358#endif
359 478
479 flush_ev.start ();
360 x_ev.start (fd, EVENT_READ); 480 x_ev.start (fd, ev::READ);
361 fcntl (fd, F_SETFD, FD_CLOEXEC); 481 fcntl (fd, F_SETFD, FD_CLOEXEC);
362 482
363 XSelectInput (display, root, PropertyChangeMask); 483 XSelectInput (dpy, root, PropertyChangeMask);
364 484
365 flush (); 485 flush ();
366 486
367 return true; 487 return true;
368} 488}
369 489
370void 490void
371rxvt_display::ref_next () 491rxvt_display::ref_next ()
372{ 492{
373 // TODO: somehow check wether the database files/resources changed 493 // TODO: somehow check whether the database files/resources changed
374 // before re-loading/parsing 494 // before affording re-loading/parsing
375 XrmDestroyDatabase (XrmGetDatabase (display)); 495 XrmDestroyDatabase (XrmGetDatabase (dpy));
376 XrmSetDatabase (display, get_resources ()); 496 XrmSetDatabase (dpy, get_resources (true));
377} 497}
378 498
379rxvt_display::~rxvt_display () 499rxvt_display::~rxvt_display ()
380{ 500{
381 if (!display) 501 if (!dpy)
382 return; 502 return;
383 503
384#ifdef POINTER_BLANK 504#ifdef POINTER_BLANK
385 XFreeCursor (display, blank_cursor); 505 XFreeCursor (dpy, blank_cursor);
386#endif 506#endif
387 x_ev.stop (); 507 x_ev.stop ();
508 flush_ev.stop ();
388#ifdef USE_XIM 509#ifdef USE_XIM
389 xims.clear (); 510 xims.clear ();
390#endif 511#endif
391 XCloseDisplay (display); 512 XCloseDisplay (dpy);
392} 513}
393 514
394#ifdef USE_XIM 515#ifdef USE_XIM
395void rxvt_display::im_change_cb () 516void rxvt_display::im_change_cb ()
396{ 517{
… …
404 // registers, as xlib crashes due to a race otherwise. 525 // registers, as xlib crashes due to a race otherwise.
405 Atom actual_type, *atoms; 526 Atom actual_type, *atoms;
406 int actual_format; 527 int actual_format;
407 unsigned long nitems, bytes_after; 528 unsigned long nitems, bytes_after;
408 529
409 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 530 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
410 False, XA_ATOM, &actual_type, &actual_format, 531 False, XA_ATOM, &actual_type, &actual_format,
411 &nitems, &bytes_after, (unsigned char **)&atoms) 532 &nitems, &bytes_after, (unsigned char **)&atoms)
412 != Success ) 533 != Success)
413 return; 534 return;
414 535
415 if (actual_type == XA_ATOM && actual_format == 32) 536 if (actual_type == XA_ATOM && actual_format == 32)
416 for (int i = 0; i < nitems; i++) 537 for (int i = 0; i < nitems; i++)
417 if (XGetSelectionOwner (display, atoms[i])) 538 if (XGetSelectionOwner (dpy, atoms[i]))
418 { 539 {
419 im_change_cb (); 540 im_change_cb ();
420 break; 541 break;
421 } 542 }
422 543
423 XFree (atoms); 544 XFree (atoms);
424} 545}
425#endif 546#endif
426 547
427void rxvt_display::x_cb (io_watcher &w, short revents) 548void rxvt_display::x_cb (ev::io &w, int revents)
428{ 549{
550 flush_ev.start ();
551}
552
553void rxvt_display::flush_cb (ev::prepare &w, int revents)
554{
555 while (XEventsQueued (dpy, QueuedAfterFlush))
429 do 556 do
430 { 557 {
431 XEvent xev; 558 XEvent xev;
432 XNextEvent (display, &xev); 559 XNextEvent (dpy, &xev);
433 560
434#ifdef USE_XIM 561#ifdef USE_XIM
435 if (!XFilterEvent (&xev, None)) 562 if (!XFilterEvent (&xev, None))
436 { 563 {
437 if (xev.type == PropertyNotify 564 if (xev.type == PropertyNotify
438 && xev.xany.window == root 565 && xev.xany.window == root
439 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 566 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
440 im_change_check (); 567 im_change_check ();
441#endif 568#endif
569 if (xev.type == MappingNotify)
570 XRefreshKeyboardMapping (&xev.xmapping);
571
442 for (int i = xw.size (); i--; ) 572 for (int i = xw.size (); i--; )
443 { 573 {
444 if (!xw[i]) 574 if (!xw[i])
445 xw.erase_unordered (i); 575 xw.erase_unordered (i);
446 else if (xw[i]->window == xev.xany.window) 576 else if (xw[i]->window == xev.xany.window)
447 xw[i]->call (xev); 577 xw[i]->call (xev);
448 } 578 }
449#ifdef USE_XIM 579#ifdef USE_XIM
450 } 580 }
451#endif 581#endif
452 } 582 }
453 while (XEventsQueued (display, QueuedAlready)); 583 while (XEventsQueued (dpy, QueuedAlready));
454 584
455 XFlush (display); 585 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} 586}
465 587
466void rxvt_display::reg (xevent_watcher *w) 588void rxvt_display::reg (xevent_watcher *w)
467{ 589{
590 if (!w->active)
591 {
468 xw.push_back (w); 592 xw.push_back (w);
469 w->active = xw.size (); 593 w->active = xw.size ();
594 }
470} 595}
471 596
472void rxvt_display::unreg (xevent_watcher *w) 597void rxvt_display::unreg (xevent_watcher *w)
473{ 598{
474 if (w->active) 599 if (w->active)
600 {
475 xw[w->active - 1] = 0; 601 xw[w->active - 1] = 0;
602 w->active = 0;
603 }
476} 604}
477 605
478void rxvt_display::set_selection_owner (rxvt_term *owner) 606void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
479{ 607{
608 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
609
480 if (selection_owner && selection_owner != owner) 610 if (cur_owner && cur_owner != owner)
481 selection_owner->selection_clear (); 611 {
612 rxvt_term *term = cur_owner;
613 term->selection_clear (clipboard);
614 term->flush ();
615 }
482 616
483 selection_owner = owner; 617 cur_owner = owner;
484} 618}
485 619
486#ifdef USE_XIM 620#ifdef USE_XIM
621
487void rxvt_display::reg (im_watcher *w) 622void rxvt_display::reg (im_watcher *w)
488{ 623{
489 imw.push_back (w); 624 imw.push_back (w);
490} 625}
491 626
… …
500 int l, m; 635 int l, m;
501 636
502 l = strlen (locale); 637 l = strlen (locale);
503 m = strlen (modifiers); 638 m = strlen (modifiers);
504 639
505 if (!(id = (char *)malloc (l + m + 2))) 640 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
506 return 0; 641 return 0;
507 642
508 memcpy (id, locale, l); id[l] = '\n'; 643 memcpy (id, locale, l); id[l] = '\n';
509 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 644 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
510 645
511 rxvt_xim *xim = xims.get (id); 646 rxvt_xim *xim = xims.get (id);
512 647
513 free (id);
514
515 return xim; 648 return xim;
516} 649}
517 650
518void rxvt_display::put_xim (rxvt_xim *xim) 651void rxvt_display::put_xim (rxvt_xim *xim)
519{ 652{
520#if XLIB_IS_RACEFREE 653# if XLIB_IS_RACEFREE
521 xims.put (xim); 654 xims.put (xim);
522#endif 655# endif
523} 656}
657
524#endif 658#endif
525 659
526Atom rxvt_display::atom (const char *name) 660Atom rxvt_display::atom (const char *name)
527{ 661{
528 return XInternAtom (display, name, False); 662 return XInternAtom (dpy, name, False);
529} 663}
530 664
531///////////////////////////////////////////////////////////////////////////// 665/////////////////////////////////////////////////////////////////////////////
532 666
533template class refcache<rxvt_display>; 667template class refcache<rxvt_display>;
534refcache<rxvt_display> displays; 668refcache<rxvt_display> displays;
535 669
536///////////////////////////////////////////////////////////////////////////// 670/////////////////////////////////////////////////////////////////////////////
537 671//
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
538bool 679bool
539rxvt_color::set (rxvt_screen *screen, Pixel p) 680rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
540{ 681{
682 //TODO: only supports 24 bit
683 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
684
541#if XFT 685#if XFT
542 XColor xc; 686 XRenderPictFormat *format;
543 687
544 xc.pixel = p; 688 // FUCKING Xft gets it wrong, of course, so work around it.
545 if (!XQueryColor (screen->xdisp, screen->cmap, &xc)) 689 // Transparency users should eat shit and die, and then
546 return false; 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;
547 699
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 {
548 XRenderColor d; 709 XRenderColor d;
549 710
550 d.red = xc.red; 711 d.red = color.r;
551 d.green = xc.green; 712 d.green = color.g;
552 d.blue = xc.blue; 713 d.blue = color.b;
553 d.alpha = 0xffff; 714 d.alpha = alpha;
554 715
555 return 716 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
556 XftColorAllocValue (screen->xdisp, 717 }
557 screen->visual,
558 screen->cmap,
559 &d, &c);
560#else 718#else
561 this->p = p; 719 c.red = color.r;
562#endif 720 c.green = color.g;
721 c.blue = color.b;
563 722
723 if (screen->visual->c_class == TrueColor)
724 {
725 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
726 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
727 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
728
729 return true;
730 }
731 else if (XAllocColor (screen->dpy, screen->cmap, &c))
564 return true; 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;
565} 740}
566 741
567bool 742bool
568rxvt_color::set (rxvt_screen *screen, const char *name) 743rxvt_color::set (rxvt_screen *screen, const char *name)
569{ 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{
570#if XFT 834#if XFT
571 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c); 835 color.r = c.color.red;
836 color.g = c.color.green;
837 color.b = c.color.blue;
838 color.a = c.color.alpha;
572#else 839#else
573 XColor xc; 840 color.r = c.red;
574 841 color.g = c.green;
575 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 842 color.b = c.blue;
576 return set (screen, xc.red, xc.green, xc.blue); 843 color.a = rgba::MAX_CC;
577
578 return false;
579#endif 844#endif
580} 845}
581 846
582bool
583rxvt_color::set (rxvt_screen *screen, unsigned short cr, unsigned short cg, unsigned short cb)
584{
585 XColor xc;
586
587 xc.red = cr;
588 xc.green = cg;
589 xc.blue = cb;
590 xc.flags = DoRed | DoGreen | DoBlue;
591
592 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
593 return set (screen, xc.pixel);
594
595 return false;
596}
597
598void 847void
599rxvt_color::get (rxvt_screen *screen, unsigned short &cr, unsigned short &cg, unsigned short &cb) 848rxvt_color::get (XColor &color)
600{ 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
860rxvt_color::free (rxvt_screen *screen)
861{
862 if (screen->visual->c_class == TrueColor)
863 return; // nothing to do
864
601#if XFT 865#if XFT
602 cr = c.color.red; 866 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
603 cg = c.color.green;
604 cb = c.color.blue;
605#else 867#else
606 XColor c;
607
608 c.pixel = p;
609 XQueryColor (screen->xdisp, screen->cmap, &c);
610
611 cr = c.red;
612 cg = c.green;
613 cb = c.blue;
614#endif
615}
616
617void
618rxvt_color::free (rxvt_screen *screen)
619{
620#if XFT
621 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
622#else
623 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 868 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
624#endif 869#endif
625} 870}
626 871
627rxvt_color 872void
628rxvt_color::fade (rxvt_screen *screen, int percent) 873rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
629{ 874{
630 percent = 100 - percent; 875 rgba c;
876 get (c);
631 877
632 unsigned short cr, cg, cb; 878 result.set (
633 rxvt_color faded;
634
635 get (screen, cr, cg, cb);
636
637 faded.set (
638 screen, 879 screen,
639 cr * percent / 100, 880 rgba (
640 cg * percent / 100, 881 lerp (c.r, to.r, percent),
641 cb * percent / 100 882 lerp (c.g, to.g, percent),
883 lerp (c.b, to.b, percent),
884 lerp (c.a, to.a, percent)
885 )
642 ); 886 );
643
644 return faded;
645} 887}
646 888
647#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
648
649rxvt_color
650rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
651{
652 percent = 100 - percent;
653
654 unsigned short cr, cg, cb;
655 unsigned short fcr, fcg, fcb;
656 rxvt_color faded;
657
658 get (screen, cr, cg, cb);
659 fadeto.get (screen, fcr, fcg, fcb);
660
661 faded.set (
662 screen,
663 LERP (cr, fcr, percent),
664 LERP (cg, fcg, percent),
665 LERP (cb, fcb, percent)
666 );
667
668 return faded;
669}
670

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