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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.30 by root, Sun Jan 29 21:54:33 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 bitdepth) 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, bitdepth, TrueColor, &vinfo)) 273 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
203 { 274 {
204 depth = bitdepth; 275 depth = bitdepth;
205 visual = vinfo.visual; 276 visual = vinfo.visual;
206 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
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 - 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))
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
538bool 742bool
539rxvt_color::set (rxvt_screen *screen, const char *name) 743rxvt_color::set (rxvt_screen *screen, const char *name)
540{ 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{
541#if XFT 834#if XFT
542 int l = strlen (name); 835 color.r = c.color.red;
543 rxvt_rgba r; 836 color.g = c.color.green;
544 char eos; 837 color.b = c.color.blue;
545 int mult; 838 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 839#else
561 XColor xc; 840 color.r = c.red;
562 841 color.g = c.green;
563 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 842 color.b = c.blue;
564 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 843 color.a = rgba::MAX_CC;
565
566 return false;
567#endif 844#endif
568} 845}
569 846
570bool 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
571rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 860rxvt_color::free (rxvt_screen *screen)
572{ 861{
862 if (screen->visual->c_class == TrueColor)
863 return; // nothing to do
864
573#if XFT 865#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)) 866 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 && screen->visual->c_class == TrueColor)
587 if ((screen->visual->red_mask | screen->visual->green_mask | screen->visual->blue_mask) == 0x00ffffffUL)
588 c.pixel = c.pixel & 0x00ffffffUL | ((rgba.a >> 8) << 24);
589 else if ((screen->visual->red_mask | screen->visual->green_mask | screen->visual->blue_mask) == 0xffffff00UL)
590 c.pixel = c.pixel & 0xffffff00UL | (rgba.a >> 8);
591
592 return true;
593 }
594
595 return false;
596#else 867#else
597 XColor xc;
598
599 xc.red = rgba.r;
600 xc.green = rgba.g;
601 xc.blue = rgba.b;
602 xc.flags = DoRed | DoGreen | DoBlue;
603
604 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
605 {
606 p = xc.pixel;
607 return true;
608 }
609
610 return false;
611#endif
612}
613
614void
615rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
616{
617#if XFT
618 rgba.r = c.color.red;
619 rgba.g = c.color.green;
620 rgba.b = c.color.blue;
621 rgba.a = c.color.alpha;
622#else
623 XColor c;
624
625 c.pixel = p;
626 XQueryColor (screen->xdisp, screen->cmap, &c);
627
628 rgba.r = c.red;
629 rgba.g = c.green;
630 rgba.b = c.blue;
631 rgba.a = rxvt_rgba::MAX_CC;
632#endif
633}
634
635void
636rxvt_color::free (rxvt_screen *screen)
637{
638#if XFT
639 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
640#else
641 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 868 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
642#endif 869#endif
643} 870}
644 871
645rxvt_color 872void
646rxvt_color::fade (rxvt_screen *screen, int percent)
647{
648 rxvt_color faded;
649
650 rxvt_rgba c;
651 get (screen, c);
652
653 c.r = lerp (0, c.r, percent);
654 c.g = lerp (0, c.g, percent);
655 c.b = lerp (0, c.b, percent);
656
657 faded.set (screen, c);
658
659 return faded;
660}
661
662rxvt_color
663rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 873rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
664{ 874{
665 rxvt_rgba c, fc; 875 rgba c;
666 rxvt_color faded; 876 get (c);
667
668 get (screen, c);
669 fadeto.get (screen, fc);
670 877
671 faded.set ( 878 result.set (
672 screen, 879 screen,
673 rxvt_rgba ( 880 rgba (
674 lerp (fc.r, c.r, percent), 881 lerp (c.r, to.r, percent),
675 lerp (fc.g, c.g, percent), 882 lerp (c.g, to.g, percent),
676 lerp (fc.b, c.b, percent), 883 lerp (c.b, to.b, percent),
677 lerp (fc.a, c.a, percent) 884 lerp (c.a, to.a, percent)
678 ) 885 )
679 ); 886 );
680
681 return faded;
682} 887}
683 888

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