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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.50 by root, Thu Feb 2 18:04:46 2006 UTC vs.
Revision 1.142 by root, Thu May 22 18:54:33 2014 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) 2003-2011 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * 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 10 * 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 11 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
26 27
27#include <unistd.h> 28#include <unistd.h>
28#include <fcntl.h> 29#include <fcntl.h>
29 30
30#include <sys/utsname.h> 31#include <sys/utsname.h>
31
32#ifndef NO_SLOW_LINK_SUPPORT
33# include <sys/socket.h> 32#include <sys/socket.h>
34# include <sys/un.h> 33#include <sys/un.h>
35#endif
36 34
37#if XFT 35#if XFT
38# include <X11/extensions/Xrender.h> 36# include <X11/extensions/Xrender.h>
39#endif 37#endif
40 38
41const char *const xa_names[] = 39static const char *const xa_names[] =
42{ 40{
43 "TEXT", 41 "TEXT",
44 "COMPOUND_TEXT", 42 "COMPOUND_TEXT",
45 "UTF8_STRING", 43 "UTF8_STRING",
46 "MULTIPLE", 44 "MULTIPLE",
… …
62#if ENABLE_EWMH 60#if ENABLE_EWMH
63 "_NET_WM_PID", 61 "_NET_WM_PID",
64 "_NET_WM_NAME", 62 "_NET_WM_NAME",
65 "_NET_WM_ICON_NAME", 63 "_NET_WM_ICON_NAME",
66 "_NET_WM_PING", 64 "_NET_WM_PING",
65 "_NET_WM_ICON",
67#endif 66#endif
68#if USE_XIM 67#if USE_XIM
69 "WM_LOCALE_NAME", 68 "WM_LOCALE_NAME",
70 "XIM_SERVERS", 69 "XIM_SERVERS",
71#endif 70#endif
72#ifdef TRANSPARENT 71#if HAVE_IMG || ENABLE_PERL
73 "_XROOTPMAP_ID", 72 "_XROOTPMAP_ID",
74 "ESETROOT_PMAP_ID", 73 "ESETROOT_PMAP_ID",
75#endif 74#endif
76#if ENABLE_XEMBED 75#if ENABLE_XEMBED
77 "_XEMBED", 76 "_XEMBED",
… …
154 put (*this->begin ()); 153 put (*this->begin ());
155} 154}
156 155
157///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
158 157
159#ifdef USE_XIM 158#if USE_XIM
160 159
161static void 160static void
162#if XIMCB_PROTO_BROKEN 161#if XIMCB_PROTO_BROKEN
163im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
164#else 163#else
… …
186 185
187 XIMCallback ximcallback; 186 XIMCallback ximcallback;
188 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
189 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
190 189
191 XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
192 191
193 return true; 192 return true;
194} 193}
195 194
196rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
… …
200} 199}
201 200
202#endif 201#endif
203 202
204///////////////////////////////////////////////////////////////////////////// 203/////////////////////////////////////////////////////////////////////////////
204
205#if XFT
206rxvt_drawable::~rxvt_drawable ()
207{
208 if (xftdrawable)
209 XftDrawDestroy (xftdrawable);
210}
211
212rxvt_drawable::operator XftDraw *()
213{
214 if (!xftdrawable)
215 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
216
217 return xftdrawable;
218}
219#endif
220
221/////////////////////////////////////////////////////////////////////////////
222
223#if XFT
224
225// not strictly necessary as it is only used with superclass of zero_initialised
226rxvt_screen::rxvt_screen ()
227: scratch_area (0)
228{
229}
230
231rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
232{
233 if (!scratch_area || w > scratch_w || h > scratch_h)
234 {
235 if (scratch_area)
236 {
237 XFreePixmap (dpy, scratch_area->drawable);
238 delete scratch_area;
239 }
240
241 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
242 scratch_w = w, scratch_h = h, depth);
243
244 scratch_area = new rxvt_drawable (this, pm);
245 }
246
247 return *scratch_area;
248}
249
250#endif
205 251
206void 252void
207rxvt_screen::set (rxvt_display *disp) 253rxvt_screen::set (rxvt_display *disp)
208{ 254{
209 display = disp; 255 display = disp;
… …
214 depth = DefaultDepthOfScreen (screen); 260 depth = DefaultDepthOfScreen (screen);
215 visual = DefaultVisualOfScreen (screen); 261 visual = DefaultVisualOfScreen (screen);
216 cmap = DefaultColormapOfScreen (screen); 262 cmap = DefaultColormapOfScreen (screen);
217} 263}
218 264
219void 265#if ENABLE_FRILLS
220rxvt_screen::set (rxvt_display *disp, int bitdepth)
221{
222 set (disp);
223 266
267void
268rxvt_screen::select_visual (int id)
269{
270 XVisualInfo vinfo;
271 vinfo.visualid = id;
272 int n;
273
274 if (XVisualInfo *vi = XGetVisualInfo (dpy, VisualIDMask, &vinfo, &n))
275 {
276 depth = vi->depth;
277 visual = vi->visual;
278
279 XFree (vi);
280
281 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
282 }
283 else
284 rxvt_warn ("cannot requested visual id 0x%02x, using default visual.\n", id);
285}
286
287void
288rxvt_screen::select_depth (int bitdepth)
289{
290 XVisualInfo vinfo;
291
292 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
293 select_visual (vinfo.visualid);
294 else
295 rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth);
296}
297
298#endif
299
300void
301rxvt_screen::clear ()
302{
224#if XFT 303#if XFT
225 XVisualInfo vinfo; 304 if (scratch_area)
226
227 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
228 {
229 depth = bitdepth;
230 visual = vinfo.visual;
231 cmap = XCreateColormap (dpy, disp->root, visual, AllocNone);
232 } 305 {
306 XFreePixmap (dpy, scratch_area->drawable);
307 delete scratch_area;
308 }
233#endif 309#endif
234}
235 310
236void
237rxvt_screen::clear ()
238{
239 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen))) 311 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
240 XFreeColormap (dpy, cmap); 312 XFreeColormap (dpy, cmap);
241} 313}
242 314
243///////////////////////////////////////////////////////////////////////////// 315/////////////////////////////////////////////////////////////////////////////
244 316
245rxvt_display::rxvt_display (const char *id) 317rxvt_display::rxvt_display (const char *id)
246: refcounted (id) 318: refcounted (id)
247, x_ev (this, &rxvt_display::x_cb)
248, selection_owner (0) 319, selection_owner (0)
320, clipboard_owner (0)
249{ 321{
322 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
323 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
250} 324}
251 325
252XrmDatabase 326XrmDatabase
253rxvt_display::get_resources (bool refresh) 327rxvt_display::get_resources (bool refresh)
254{ 328{
255 char *homedir = (char *)getenv ("HOME"); 329 char *homedir = getenv ("HOME");
256 char fname[1024]; 330 char fname[1024];
257 331
258 /* 332 /*
259 * get resources using the X library function 333 * get resources using the X library function
260 */ 334 */
261 char *displayResource, *xe; 335 char *displayResource, *xe;
262 XrmDatabase rdb1, database = 0; 336 XrmDatabase rdb1, database = 0;
263 337
338#if !XLIB_ILLEGAL_ACCESS
339 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
340 database = XrmGetStringDatabase ("");
341#endif
342
264 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 343 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
344 // as opposed to "standard practise", we always read in ~/.Xdefaults
265 345
266 // 6. System wide per application default file. 346 // 6. System wide per application default file.
267 347
268 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 348 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
269 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 349 if ((xe = getenv ("XAPPLRESDIR")))
270 { 350 {
271 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 351 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
272 352
273 if ((rdb1 = XrmGetFileDatabase (fname))) 353 if ((rdb1 = XrmGetFileDatabase (fname)))
274 XrmMergeDatabases (rdb1, &database); 354 XrmMergeDatabases (rdb1, &database);
… …
276 356
277 // 5. User's per application default file. 357 // 5. User's per application default file.
278 // none 358 // none
279 359
280 // 4. User's defaults file. 360 // 4. User's defaults file.
361 if (homedir)
362 {
363 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
364
365 if ((rdb1 = XrmGetFileDatabase (fname)))
366 XrmMergeDatabases (rdb1, &database);
367 }
368
281 /* Get any Xserver defaults */ 369 /* Get any Xserver defaults */
282 if (refresh) 370 if (refresh)
283 { 371 {
284 // fucking xlib keeps a copy of the rm string 372 // fucking xlib keeps a copy of the rm string
285 Atom actual_type; 373 Atom actual_type;
… …
290#if XLIB_ILLEGAL_ACCESS 378#if XLIB_ILLEGAL_ACCESS
291 if (dpy->xdefaults) 379 if (dpy->xdefaults)
292 XFree (dpy->xdefaults); 380 XFree (dpy->xdefaults);
293#endif 381#endif
294 382
295 if (XGetWindowProperty (dpy, root, XA_RESOURCE_MANAGER, 383 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
296 0L, 100000000L, False, 384 0L, 100000000L, False,
297 XA_STRING, &actual_type, &actual_format, 385 XA_STRING, &actual_type, &actual_format,
298 &nitems, &nremaining, 386 &nitems, &nremaining,
299 (unsigned char **)&val) == Success 387 (unsigned char **)&val) == Success
300 && actual_type == XA_STRING 388 && actual_type == XA_STRING
301 && actual_format == 8) 389 && actual_format == 8)
302 displayResource = val; 390 displayResource = val;
303 else 391 else
304 { 392 {
305 displayResource = 0; 393 displayResource = 0;
394
306 if (val) 395 if (val)
307 XFree(val); 396 XFree (val);
308 } 397 }
309 398
310#if XLIB_ILLEGAL_ACCESS 399#if XLIB_ILLEGAL_ACCESS
311 dpy->xdefaults = displayResource; 400 dpy->xdefaults = displayResource;
312#endif 401#endif
313 } 402 }
… …
315 displayResource = XResourceManagerString (dpy); 404 displayResource = XResourceManagerString (dpy);
316 405
317 if (displayResource) 406 if (displayResource)
318 { 407 {
319 if ((rdb1 = XrmGetStringDatabase (displayResource))) 408 if ((rdb1 = XrmGetStringDatabase (displayResource)))
320 XrmMergeDatabases (rdb1, &database);
321 }
322 else if (homedir)
323 {
324 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
325
326 if ((rdb1 = XrmGetFileDatabase (fname)))
327 XrmMergeDatabases (rdb1, &database); 409 XrmMergeDatabases (rdb1, &database);
328 } 410 }
329 411
330#if !XLIB_ILLEGAL_ACCESS 412#if !XLIB_ILLEGAL_ACCESS
331 if (refresh && displayResource) 413 if (refresh && displayResource)
… …
344 XFree (displayResource); 426 XFree (displayResource);
345 } 427 }
346 428
347 // 3. User's per host defaults file 429 // 3. User's per host defaults file
348 /* Add in XENVIRONMENT file */ 430 /* Add in XENVIRONMENT file */
349 if ((xe = (char *)getenv ("XENVIRONMENT")) 431 if ((xe = getenv ("XENVIRONMENT"))
350 && (rdb1 = XrmGetFileDatabase (xe))) 432 && (rdb1 = XrmGetFileDatabase (xe)))
351 XrmMergeDatabases (rdb1, &database); 433 XrmMergeDatabases (rdb1, &database);
352 else if (homedir) 434 else if (homedir)
353 { 435 {
354 struct utsname un; 436 struct utsname un;
… …
368bool rxvt_display::ref_init () 450bool rxvt_display::ref_init ()
369{ 451{
370#ifdef LOCAL_X_IS_UNIX 452#ifdef LOCAL_X_IS_UNIX
371 if (id[0] == ':') 453 if (id[0] == ':')
372 { 454 {
373 val = rxvt_malloc (5 + strlen (id) + 1); 455 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
456
374 strcpy (val, "unix/"); 457 strcpy (val, "unix/");
375 strcat (val, id); 458 strcat (val, id);
459
376 dpy = XOpenDisplay (val); 460 dpy = XOpenDisplay (val);
377 free (val);
378 } 461 }
379 else 462 else
380#endif 463#endif
381 dpy = 0; 464 dpy = 0;
382 465
… …
387 return false; 470 return false;
388 471
389 screen = DefaultScreen (dpy); 472 screen = DefaultScreen (dpy);
390 root = DefaultRootWindow (dpy); 473 root = DefaultRootWindow (dpy);
391 474
392 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 475 assert (ecb_array_length (xa_names) == NUM_XA);
393 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa); 476 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
394 477
395 XrmSetDatabase (dpy, get_resources (false)); 478 XrmSetDatabase (dpy, get_resources (false));
396 479
397#ifdef POINTER_BLANK 480#ifdef POINTER_BLANK
… …
403 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ', 486 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
404 &blackcolour, &blackcolour); 487 &blackcolour, &blackcolour);
405 XUnloadFont (dpy, f); 488 XUnloadFont (dpy, f);
406#endif 489#endif
407 490
491 flags = 0;
492#if XRENDER
493 int major, minor;
494 if (XRenderQueryVersion (dpy, &major, &minor))
495 if (major > 0 || (major == 0 && minor >= 10))
496 {
497 flags |= DISPLAY_HAS_RENDER;
498
499#if 0
500 if (major > 0 || (major == 0 && minor >= 11))
501 flags |= DISPLAY_HAS_RENDER_MUL;
502#endif
503
504 if (XFilters *filters = XRenderQueryFilters (dpy, root))
505 {
506 for (int i = 0; i < filters->nfilter; i++)
507 if (!strcmp (filters->filter [i], FilterConvolution))
508 flags |= DISPLAY_HAS_RENDER_CONV;
509
510 XFree (filters);
511 }
512 }
513#endif
514
408 int fd = XConnectionNumber (dpy); 515 int fd = XConnectionNumber (dpy);
409 516
410#ifndef NO_SLOW_LINK_SUPPORT
411 // try to detect wether we have a local connection. 517 // try to detect whether we have a local connection.
412 // assume unix domains socket == local, everything else not 518 // assume unix domain socket == local, everything else not
413 // TODO: might want to check for inet/127.0.0.1 519 // TODO: might want to check for inet/127.0.0.1
414 is_local = 0; 520 is_local = 0;
415 sockaddr_un sa; 521 sockaddr_un sa;
416 socklen_t sl = sizeof (sa); 522 socklen_t sl = sizeof (sa);
417 523
418 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 524 if (!getsockname (fd, (sockaddr *)&sa, &sl))
419 is_local = sa.sun_family == AF_LOCAL; 525 is_local = sa.sun_family == AF_UNIX;
420#endif
421 526
527 flush_ev.start ();
422 x_ev.start (fd, EVENT_READ); 528 x_ev.start (fd, ev::READ);
423 fcntl (fd, F_SETFD, FD_CLOEXEC); 529 fcntl (fd, F_SETFD, FD_CLOEXEC);
424 530
425 XSelectInput (dpy, root, PropertyChangeMask); 531 XSelectInput (dpy, root, PropertyChangeMask);
426 532
427 flush (); 533 flush ();
… …
430} 536}
431 537
432void 538void
433rxvt_display::ref_next () 539rxvt_display::ref_next ()
434{ 540{
435 // TODO: somehow check wether the database files/resources changed 541 // TODO: somehow check whether the database files/resources changed
436 // before affording re-loading/parsing 542 // before affording re-loading/parsing
437 XrmDestroyDatabase (XrmGetDatabase (dpy)); 543 XrmDestroyDatabase (XrmGetDatabase (dpy));
544#if XLIB_ILLEGAL_ACCESS
545 /* work around a bug in XrmSetDatabase where it frees the db */
546 dpy->db = 0;
547#endif
438 XrmSetDatabase (dpy, get_resources (true)); 548 XrmSetDatabase (dpy, get_resources (true));
439} 549}
440 550
441rxvt_display::~rxvt_display () 551rxvt_display::~rxvt_display ()
442{ 552{
… …
445 555
446#ifdef POINTER_BLANK 556#ifdef POINTER_BLANK
447 XFreeCursor (dpy, blank_cursor); 557 XFreeCursor (dpy, blank_cursor);
448#endif 558#endif
449 x_ev.stop (); 559 x_ev.stop ();
560 flush_ev.stop ();
450#ifdef USE_XIM 561#if USE_XIM
451 xims.clear (); 562 xims.clear ();
452#endif 563#endif
564 XrmDestroyDatabase (XrmGetDatabase (dpy));
453 XCloseDisplay (dpy); 565 XCloseDisplay (dpy);
454} 566}
455 567
456#ifdef USE_XIM 568#if USE_XIM
457void rxvt_display::im_change_cb () 569void rxvt_display::im_change_cb ()
458{ 570{
459 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 571 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
460 (*i)->call (); 572 (*i)->call ();
461} 573}
… …
469 unsigned long nitems, bytes_after; 581 unsigned long nitems, bytes_after;
470 582
471 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 583 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
472 False, XA_ATOM, &actual_type, &actual_format, 584 False, XA_ATOM, &actual_type, &actual_format,
473 &nitems, &bytes_after, (unsigned char **)&atoms) 585 &nitems, &bytes_after, (unsigned char **)&atoms)
474 != Success ) 586 != Success)
475 return; 587 return;
476 588
477 if (actual_type == XA_ATOM && actual_format == 32) 589 if (actual_type == XA_ATOM && actual_format == 32)
478 for (int i = 0; i < nitems; i++) 590 for (int i = 0; i < nitems; i++)
479 if (XGetSelectionOwner (dpy, atoms[i])) 591 if (XGetSelectionOwner (dpy, atoms[i]))
480 { 592 {
481 im_change_cb (); 593 im_change_cb ();
482 break; 594 break;
… …
484 596
485 XFree (atoms); 597 XFree (atoms);
486} 598}
487#endif 599#endif
488 600
489void rxvt_display::x_cb (io_watcher &w, short revents) 601void rxvt_display::x_cb (ev::io &w, int revents)
490{ 602{
603 flush_ev.start ();
604}
605
606void rxvt_display::flush_cb (ev::prepare &w, int revents)
607{
608 while (XEventsQueued (dpy, QueuedAfterFlush))
491 do 609 do
492 { 610 {
493 XEvent xev; 611 XEvent xev;
494 XNextEvent (dpy, &xev); 612 XNextEvent (dpy, &xev);
495 613
496#ifdef USE_XIM 614#if USE_XIM
497 if (!XFilterEvent (&xev, None)) 615 if (!XFilterEvent (&xev, None))
498 { 616 {
499 if (xev.type == PropertyNotify 617 if (xev.type == PropertyNotify
500 && xev.xany.window == root 618 && xev.xany.window == root
501 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 619 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
502 im_change_check (); 620 im_change_check ();
503#endif 621#endif
622 if (xev.type == MappingNotify)
623 XRefreshKeyboardMapping (&xev.xmapping);
624
504 for (int i = xw.size (); i--; ) 625 for (int i = xw.size (); i--; )
505 { 626 {
506 if (!xw[i]) 627 if (!xw[i])
507 xw.erase_unordered (i); 628 xw.erase_unordered (i);
508 else if (xw[i]->window == xev.xany.window) 629 else if (xw[i]->window == xev.xany.window)
509 xw[i]->call (xev); 630 xw[i]->call (xev);
510 } 631 }
511#ifdef USE_XIM 632#if USE_XIM
512 } 633 }
513#endif 634#endif
514 } 635 }
515 while (XEventsQueued (dpy, QueuedAlready)); 636 while (XEventsQueued (dpy, QueuedAlready));
516 637
517 XFlush (dpy); 638 w.stop ();
518}
519
520void rxvt_display::flush ()
521{
522 if (XEventsQueued (dpy, QueuedAlready))
523 x_cb (x_ev, EVENT_READ);
524
525 XFlush (dpy);
526} 639}
527 640
528void rxvt_display::reg (xevent_watcher *w) 641void rxvt_display::reg (xevent_watcher *w)
529{ 642{
643 if (!w->active)
644 {
530 xw.push_back (w); 645 xw.push_back (w);
531 w->active = xw.size (); 646 w->active = xw.size ();
647 }
532} 648}
533 649
534void rxvt_display::unreg (xevent_watcher *w) 650void rxvt_display::unreg (xevent_watcher *w)
535{ 651{
536 if (w->active) 652 if (w->active)
653 {
537 xw[w->active - 1] = 0; 654 xw[w->active - 1] = 0;
655 w->active = 0;
656 }
538} 657}
539 658
540void rxvt_display::set_selection_owner (rxvt_term *owner) 659void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
541{ 660{
661 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
662
542 if (selection_owner && selection_owner != owner) 663 if (cur_owner && cur_owner != owner)
543 selection_owner->selection_clear (); 664 {
665 rxvt_term *term = cur_owner;
666 term->selection_clear (clipboard);
667 term->flush ();
668 }
544 669
545 selection_owner = owner; 670 cur_owner = owner;
546} 671}
547 672
548#ifdef USE_XIM 673#if USE_XIM
549 674
550void rxvt_display::reg (im_watcher *w) 675void rxvt_display::reg (im_watcher *w)
551{ 676{
552 imw.push_back (w); 677 imw.push_back (w);
553} 678}
… …
563 int l, m; 688 int l, m;
564 689
565 l = strlen (locale); 690 l = strlen (locale);
566 m = strlen (modifiers); 691 m = strlen (modifiers);
567 692
568 if (!(id = (char *)malloc (l + m + 2))) 693 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
569 return 0; 694 return 0;
570 695
571 memcpy (id, locale, l); id[l] = '\n'; 696 memcpy (id, locale, l); id[l] = '\n';
572 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 697 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
573 698
574 rxvt_xim *xim = xims.get (id); 699 rxvt_xim *xim = xims.get (id);
575
576 free (id);
577 700
578 return xim; 701 return xim;
579} 702}
580 703
581void rxvt_display::put_xim (rxvt_xim *xim) 704void rxvt_display::put_xim (rxvt_xim *xim)
… …
590Atom rxvt_display::atom (const char *name) 713Atom rxvt_display::atom (const char *name)
591{ 714{
592 return XInternAtom (dpy, name, False); 715 return XInternAtom (dpy, name, False);
593} 716}
594 717
718Pixmap
719rxvt_display::get_pixmap_property (Atom property)
720{
721 Pixmap pixmap = None;
722
723 int aformat;
724 unsigned long nitems, bytes_after;
725 Atom atype;
726 unsigned char *prop;
727 int result = XGetWindowProperty (dpy, root, property,
728 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
729 &nitems, &bytes_after, &prop);
730 if (result == Success)
731 {
732 if (atype == XA_PIXMAP)
733 pixmap = *(Pixmap *)prop;
734 XFree (prop);
735 }
736
737 return pixmap;
738}
739
595///////////////////////////////////////////////////////////////////////////// 740/////////////////////////////////////////////////////////////////////////////
596 741
597template class refcache<rxvt_display>; 742template class refcache<rxvt_display>;
598refcache<rxvt_display> displays; 743refcache<rxvt_display> displays;
599 744
600///////////////////////////////////////////////////////////////////////////// 745/////////////////////////////////////////////////////////////////////////////
601 746//
747
748static unsigned int
749insert_component (unsigned int value, unsigned int mask, unsigned int shift)
750{
751 return (value * (mask + 1) >> 16) << shift;
752}
753
602bool 754bool
603rxvt_color::alloc (rxvt_screen *screen, const rgba &color) 755rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
604{ 756{
757 //TODO: only supports 24 bit
758 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
759
605#if XFT 760#if XFT
606 XRenderPictFormat *format; 761 XRenderPictFormat *format;
607 762
608 // FUCKING Xft gets it wrong, of course, so work around it. 763 // FUCKING Xft gets it wrong, of course, so work around it.
609 // Transparency users should eat shit and die, and then 764 // Transparency users should eat shit and die, and then
… …
613 { 768 {
614 // the fun lies in doing everything manually... 769 // the fun lies in doing everything manually...
615 c.color.red = color.r; 770 c.color.red = color.r;
616 c.color.green = color.g; 771 c.color.green = color.g;
617 c.color.blue = color.b; 772 c.color.blue = color.b;
618 c.color.alpha = color.a; 773 c.color.alpha = alpha;
619 774
775 // Xft wants premultiplied alpha, but abuses the alpha channel
776 // as blend factor, and doesn't allow us to set the alpha channel
777 c.color.red = c.color.red * alpha / 0xffff;
778 c.color.green = c.color.green * alpha / 0xffff;
779 c.color.blue = c.color.blue * alpha / 0xffff;
780
620 c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red ) 781 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
621 | ((color.g * format->direct.greenMask / rgba::MAX_CC) << format->direct.green) 782 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
622 | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue ) 783 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
623 | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha); 784 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
624 785
625 return true; 786 return true;
626 } 787 }
627 else 788 else
628 { 789 {
629 XRenderColor d; 790 XRenderColor d;
630 791
631 d.red = color.r; 792 d.red = color.r;
632 d.green = color.g; 793 d.green = color.g;
633 d.blue = color.b; 794 d.blue = color.b;
634 d.alpha = color.a; 795 d.alpha = alpha;
635 796
636 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c); 797 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
798 return true;
637 } 799 }
638#else 800#else
639 c.red = color.r; 801 c.red = color.r;
640 c.green = color.g; 802 c.green = color.g;
641 c.blue = color.b; 803 c.blue = color.b;
642 804
643 if (screen->visual->c_class == TrueColor) 805 if (screen->visual->c_class == TrueColor)
644 { 806 {
645 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask )) 807 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
646 / rgba::MAX_CC) << ctz (screen->visual->red_mask ) 808 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
647 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
648 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
649 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask )) 809 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
650 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
651 810
652 return true; 811 return true;
653 } 812 }
654 else if (XAllocColor (screen->dpy, screen->cmap, &c)) 813 else if (XAllocColor (screen->dpy, screen->cmap, &c))
655 return true; 814 return true;
656 else 815#endif
816
657 c.pixel = (color.r + color.g + color.b) > 128*3 817 c.pixel = (color.r + color.g + color.b) > 128*3
658 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) 818 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
659 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); 819 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
660#endif
661 820
662 return false; 821 return false;
663} 822}
664 823
665bool 824bool
… …
667{ 826{
668 rgba c; 827 rgba c;
669 char eos; 828 char eos;
670 int skip; 829 int skip;
671 830
831 c.a = rgba::MAX_CC;
832
672 // parse the nonstandard "[alphapercent]" prefix 833 // parse the nonstandard "[alphapercent]" prefix
673 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 834 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
674 { 835 {
675 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a); 836 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
676 name += skip; 837 name += skip;
677 } 838 }
678 else
679 c.a = rgba::MAX_CC;
680 839
681 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format 840 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
682 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos)) 841 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
683 { 842 {
684 XColor xc, xc_exact; 843 XColor xc;
685 844
686 if (XParseColor (screen->dpy, screen->cmap, name, &xc)) 845 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
687 { 846 {
688 c.r = xc.red; 847 c.r = xc.red;
689 c.g = xc.green; 848 c.g = xc.green;
… …
716 { 875 {
717 XColor *colors = new XColor [screen->visual->map_entries]; 876 XColor *colors = new XColor [screen->visual->map_entries];
718 877
719 for (int i = 0; i < cmap_size; i++) 878 for (int i = 0; i < cmap_size; i++)
720 colors [i].pixel = i; 879 colors [i].pixel = i;
721 880
722 // many kilobytes transfer per colour, but pseudocolor isn't worth 881 // many kilobytes transfer per colour, but pseudocolor isn't worth
723 // many extra optimisations. 882 // many extra optimisations.
724 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); 883 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
725 884
726 int diff = 0x7fffffffUL; 885 int diff = 0x7fffffffUL;
… …
739 } 898 }
740 } 899 }
741 900
742 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 901 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
743 // color.r, color.g, color.b, best->red, best->green, best->blue, diff); 902 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
744 903
745 got = alloc (screen, rgba (best->red, best->green, best->blue)); 904 got = alloc (screen, rgba (best->red, best->green, best->blue));
746 905
747 delete colors; 906 delete [] colors;
748 } 907 }
749#endif 908#endif
750 909
751 return got; 910 return got;
752} 911}
753 912
754void 913void
755rxvt_color::get (rgba &color) 914rxvt_color::get (rgba &color) const
756{ 915{
757#if XFT 916#if XFT
758 color.r = c.color.red; 917 color.r = c.color.red;
759 color.g = c.color.green; 918 color.g = c.color.green;
760 color.b = c.color.blue; 919 color.b = c.color.blue;
… …
766 color.a = rgba::MAX_CC; 925 color.a = rgba::MAX_CC;
767#endif 926#endif
768} 927}
769 928
770void 929void
771rxvt_color::get (XColor &color) 930rxvt_color::get (XColor &color) const
772{ 931{
773 rgba c; 932 rgba c;
774 get (c); 933 get (c);
775 934
776 color.red = c.r; 935 color.red = c.r;
777 color.green = c.g; 936 color.green = c.g;
778 color.blue = c.b; 937 color.blue = c.b;
779 color.pixel = (Pixel)*this; 938 color.pixel = (Pixel)*this;
780} 939}
781 940
782void 941void
783rxvt_color::free (rxvt_screen *screen) 942rxvt_color::free (rxvt_screen *screen)
784{ 943{
944 if (screen->visual->c_class == TrueColor)
945 return; // nothing to do
946
785#if XFT 947#if XFT
786 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c); 948 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
787#else 949#else
788 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes); 950 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
789#endif 951#endif
… …
804 lerp (c.a, to.a, percent) 966 lerp (c.a, to.a, percent)
805 ) 967 )
806 ); 968 );
807} 969}
808 970
971rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
972: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
973{
974 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
975
976 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
977 timer_ev.repeat = 10.;
978 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
979
980 incr_buf = 0;
981 incr_buf_size = incr_buf_fill = 0;
982 selection_wait = Sel_normal;
983 selection_type = selnum;
984 cb_sv = 0;
985}
986
987void
988rxvt_selection::stop ()
989{
990 free (incr_buf);
991 incr_buf = 0;
992 timer_ev.stop ();
993 x_ev.stop (display);
994}
995
996rxvt_selection::~rxvt_selection ()
997{
998 stop ();
999}
1000
1001void
1002rxvt_selection::run ()
1003{
1004 int selnum = selection_type;
1005
1006#if ENABLE_FRILLS
1007 if (selnum == Sel_Primary && display->selection_owner)
1008 {
1009 /* internal selection */
1010 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1011 finish (str, strlen (str));
1012 free (str);
1013 return;
1014 }
1015#endif
1016
1017#if X_HAVE_UTF8_STRING
1018 selection_type = Sel_UTF8String;
1019 if (request (display->xa[XA_UTF8_STRING], selnum))
1020 return;
1021#else
1022 selection_type = Sel_CompoundText;
1023 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1024 return;
1025#endif
1026
1027 // fallback to CUT_BUFFER0 if the requested property has no owner
1028 handle_selection (display->root, XA_CUT_BUFFER0, false);
1029}
1030
1031void
1032rxvt_selection::finish (char *data, unsigned int len)
1033{
1034 if (!cb_sv)
1035 {
1036 if (data)
1037 term->paste (data, len);
1038
1039 term->selection_req = 0;
1040 delete this;
1041 }
1042#if ENABLE_PERL
1043 else
1044 {
1045 stop (); // we do not really trust perl callbacks
1046 rxvt_perl.selection_finish (this, data, len);
1047 }
1048#endif
1049}
1050
1051bool
1052rxvt_selection::request (Atom target, int selnum)
1053{
1054 Atom sel;
1055
1056 selection_type |= selnum;
1057
1058 if (selnum == Sel_Primary)
1059 sel = XA_PRIMARY;
1060 else if (selnum == Sel_Secondary)
1061 sel = XA_SECONDARY;
1062 else
1063 sel = display->xa[XA_CLIPBOARD];
1064
1065 if (XGetSelectionOwner (display->dpy, sel) != None)
1066 {
1067 XConvertSelection (display->dpy, sel, target, request_prop,
1068 request_win, request_time);
1069 x_ev.start (display, request_win);
1070 timer_ev.again ();
1071 return true;
1072 }
1073
1074 return false;
1075}
1076
1077void
1078rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1079{
1080 Display *dpy = display->dpy;
1081 char *data = 0;
1082 unsigned int data_len = 0;
1083 unsigned long bytes_after;
1084 XTextProperty ct;
1085
1086 // check for failed XConvertSelection
1087 if (prop == None)
1088 {
1089 bool error = true;
1090 int selnum = selection_type & Sel_whereMask;
1091
1092 if (selection_type & Sel_CompoundText)
1093 {
1094 selection_type = 0;
1095 error = !request (XA_STRING, selnum);
1096 }
1097
1098 if (selection_type & Sel_UTF8String)
1099 {
1100 selection_type = Sel_CompoundText;
1101 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1102 }
1103
1104 if (error)
1105 {
1106 ct.value = 0;
1107 goto bailout;
1108 }
1109
1110 return;
1111 }
1112
1113 // length == (2^31 - 1) / 4, as gdk
1114 if (XGetWindowProperty (dpy, win, prop,
1115 0, 0x1fffffff,
1116 delete_prop, AnyPropertyType,
1117 &ct.encoding, &ct.format,
1118 &ct.nitems, &bytes_after,
1119 &ct.value) != Success)
1120 {
1121 ct.value = 0;
1122 goto bailout;
1123 }
1124
1125 if (ct.encoding == None)
1126 goto bailout;
1127
1128 if (ct.value == 0)
1129 goto bailout;
1130
1131 if (ct.encoding == display->xa[XA_INCR])
1132 {
1133 // INCR selection, start handshake
1134 if (!delete_prop)
1135 XDeleteProperty (dpy, win, prop);
1136
1137 selection_wait = Sel_incr;
1138 timer_ev.again ();
1139
1140 goto bailout;
1141 }
1142
1143 if (ct.nitems == 0)
1144 {
1145 if (selection_wait == Sel_incr)
1146 {
1147 XFree (ct.value);
1148
1149 // finally complete, now paste the whole thing
1150 selection_wait = Sel_normal;
1151 ct.value = (unsigned char *)incr_buf;
1152 ct.nitems = incr_buf_fill;
1153 incr_buf = 0;
1154 timer_ev.stop ();
1155 }
1156 else
1157 {
1158 // avoid recursion
1159 if (win != display->root || prop != XA_CUT_BUFFER0)
1160 {
1161 XFree (ct.value);
1162
1163 // fallback to CUT_BUFFER0 if the requested property
1164 // has an owner but is empty
1165 handle_selection (display->root, XA_CUT_BUFFER0, False);
1166 return;
1167 }
1168
1169 goto bailout;
1170 }
1171 }
1172 else if (selection_wait == Sel_incr)
1173 {
1174 timer_ev.again ();
1175
1176 while (incr_buf_fill + ct.nitems > incr_buf_size)
1177 {
1178 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1179 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1180 }
1181
1182 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1183 incr_buf_fill += ct.nitems;
1184
1185 goto bailout;
1186 }
1187
1188 char **cl;
1189 int cr;
1190
1191 // we honour the first item only
1192
1193#if !ENABLE_MINIMAL
1194 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1195 // so recode it manually
1196 if (ct.encoding == display->xa[XA_UTF8_STRING])
1197 {
1198 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1199 data = rxvt_wcstombs (w);
1200 free (w);
1201 }
1202 else
1203#endif
1204 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1205 && cl)
1206 {
1207 data = strdup (cl[0]);
1208 XFreeStringList (cl);
1209 }
1210 else
1211 {
1212 // paste raw
1213 data = strdup ((const char *)ct.value);
1214 }
1215
1216 data_len = strlen (data);
1217
1218bailout:
1219 XFree (ct.value);
1220
1221 if (selection_wait == Sel_normal)
1222 {
1223 finish (data, data_len);
1224 free (data);
1225 }
1226}
1227
1228void
1229rxvt_selection::timer_cb (ev::timer &w, int revents)
1230{
1231 if (selection_wait == Sel_incr)
1232 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1233
1234 finish ();
1235}
1236
1237void
1238rxvt_selection::x_cb (XEvent &xev)
1239{
1240 switch (xev.type)
1241 {
1242 case PropertyNotify:
1243 if (selection_wait == Sel_incr
1244 && xev.xproperty.atom == request_prop
1245 && xev.xproperty.state == PropertyNewValue)
1246 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1247 break;
1248
1249 case SelectionNotify:
1250 if (selection_wait == Sel_normal
1251 && xev.xselection.time == request_time)
1252 {
1253 timer_ev.stop ();
1254 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1255 }
1256 break;
1257 }
1258}

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