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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.41 by root, Tue Jan 31 16:43:55 2006 UTC vs.
Revision 1.116 by sf-exg, Fri Feb 11 11:26:30 2011 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 * 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 2 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
… …
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#ifdef ENABLE_TRANSPARENCY
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",
… …
177bool 176bool
178rxvt_xim::ref_init () 177rxvt_xim::ref_init ()
179{ 178{
180 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
181 180
182 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
183 182
184 if (!xim) 183 if (!xim)
185 return false; 184 return false;
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, NULL); 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 ()
… …
201 200
202#endif 201#endif
203 202
204///////////////////////////////////////////////////////////////////////////// 203/////////////////////////////////////////////////////////////////////////////
205 204
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
251
206void 252void
207rxvt_screen::set (rxvt_display *disp) 253rxvt_screen::set (rxvt_display *disp)
208{ 254{
209 display = disp; 255 display = disp;
210 xdisp = disp->display; 256 dpy = disp->dpy;
211 257
212 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 258 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
213 259
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 265void
220rxvt_screen::set (rxvt_display *disp, int bitdepth) 266rxvt_screen::select_visual (int bitdepth)
221{ 267{
222 set (disp);
223
224#if XFT 268#if XFT
225 XVisualInfo vinfo; 269 XVisualInfo vinfo;
226 270
227 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 271 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
228 { 272 {
229 depth = bitdepth; 273 depth = bitdepth;
230 visual = vinfo.visual; 274 visual = vinfo.visual;
231 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 275 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
232 } 276 }
233#endif 277#endif
234} 278}
235 279
236void 280void
237rxvt_screen::clear () 281rxvt_screen::clear ()
238{ 282{
283#if XFT
284 if (scratch_area)
285 {
286 XFreePixmap (dpy, scratch_area->drawable);
287 delete scratch_area;
288 }
289#endif
290
239 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 291 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
240 XFreeColormap (xdisp, cmap); 292 XFreeColormap (dpy, cmap);
241} 293}
242 294
243///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
244 296
245rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
246: refcounted (id) 298: refcounted (id)
247, x_ev (this, &rxvt_display::x_cb)
248, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
249{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
250} 304}
251 305
252XrmDatabase 306XrmDatabase
253rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
254{ 308{
255 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
256 char fname[1024]; 310 char fname[1024];
257 311
258 /* 312 /*
259 * get resources using the X library function 313 * get resources using the X library function
260 */ 314 */
261 char *displayResource, *xe; 315 char *displayResource, *xe;
262 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
263 317
264 database = NULL; 318#if !XLIB_ILLEGAL_ACCESS
319 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
320 database = XrmGetStringDatabase ("");
321#endif
265 322
266 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 323 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
324 // as opposed to "standard practise", we always read in ~/.Xdefaults
267 325
268 // 6. System wide per application default file. 326 // 6. System wide per application default file.
269 327
270 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
271 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
272 { 330 {
273 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
274 332
275 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
276 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
278 336
279 // 5. User's per application default file. 337 // 5. User's per application default file.
280 // none 338 // none
281 339
282 // 4. User's defaults file. 340 // 4. User's defaults file.
341 if (homedir)
342 {
343 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
344
345 if ((rdb1 = XrmGetFileDatabase (fname)))
346 XrmMergeDatabases (rdb1, &database);
347 }
348
283 /* Get any Xserver defaults */ 349 /* Get any Xserver defaults */
350 if (refresh)
351 {
352 // fucking xlib keeps a copy of the rm string
353 Atom actual_type;
354 int actual_format;
355 unsigned long nitems, nremaining;
356 char *val = 0;
357
358#if XLIB_ILLEGAL_ACCESS
359 if (dpy->xdefaults)
360 XFree (dpy->xdefaults);
361#endif
362
363 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
364 0L, 100000000L, False,
365 XA_STRING, &actual_type, &actual_format,
366 &nitems, &nremaining,
367 (unsigned char **)&val) == Success
368 && actual_type == XA_STRING
369 && actual_format == 8)
370 displayResource = val;
371 else
372 {
373 displayResource = 0;
374
375 if (val)
376 XFree (val);
377 }
378
379#if XLIB_ILLEGAL_ACCESS
380 dpy->xdefaults = displayResource;
381#endif
382 }
383 else
284 displayResource = XResourceManagerString (display); 384 displayResource = XResourceManagerString (dpy);
285 385
286 if (displayResource != NULL) 386 if (displayResource)
287 { 387 {
288 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
289 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
290 } 390 }
291 else if (homedir)
292 {
293 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
294 391
295 if ((rdb1 = XrmGetFileDatabase (fname))) 392#if !XLIB_ILLEGAL_ACCESS
296 XrmMergeDatabases (rdb1, &database); 393 if (refresh && displayResource)
297 } 394 XFree (displayResource);
395#endif
298 396
299 /* Get screen specific resources */ 397 /* Get screen specific resources */
300 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
301 399
302 if (displayResource != NULL) 400 if (displayResource)
303 { 401 {
304 if ((rdb1 = XrmGetStringDatabase (displayResource))) 402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
305 /* Merge with screen-independent resources */ 403 /* Merge with screen-independent resources */
306 XrmMergeDatabases (rdb1, &database); 404 XrmMergeDatabases (rdb1, &database);
307 405
308 XFree (displayResource); 406 XFree (displayResource);
309 } 407 }
310 408
311 // 3. User's per host defaults file 409 // 3. User's per host defaults file
312 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
313 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
314 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
315 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
316 else if (homedir) 414 else if (homedir)
317 { 415 {
318 struct utsname un; 416 struct utsname un;
… …
332bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
333{ 431{
334#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
335 if (id[0] == ':') 433 if (id[0] == ':')
336 { 434 {
337 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
338 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
339 strcat (val, id); 438 strcat (val, id);
340 display = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
341 free (val);
342 } 440 }
343 else 441 else
344#endif 442#endif
345 display = 0; 443 dpy = 0;
346 444
347 if (!display) 445 if (!dpy)
348 display = XOpenDisplay (id); 446 dpy = XOpenDisplay (id);
349 447
350 if (!display) 448 if (!dpy)
351 return false; 449 return false;
352 450
353 screen = DefaultScreen (display); 451 screen = DefaultScreen (dpy);
354 root = DefaultRootWindow (display); 452 root = DefaultRootWindow (dpy);
355 453
356 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
357 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
358 456
359 XrmSetDatabase (display, get_resources ()); 457 XrmSetDatabase (dpy, get_resources (false));
360 458
361#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
362 XColor blackcolour; 460 XColor blackcolour;
363 blackcolour.red = 0; 461 blackcolour.red = 0;
364 blackcolour.green = 0; 462 blackcolour.green = 0;
365 blackcolour.blue = 0; 463 blackcolour.blue = 0;
366 Font f = XLoadFont (display, "fixed"); 464 Font f = XLoadFont (dpy, "fixed");
367 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
368 &blackcolour, &blackcolour); 466 &blackcolour, &blackcolour);
369 XUnloadFont (display, f); 467 XUnloadFont (dpy, f);
370#endif 468#endif
371 469
372 int fd = XConnectionNumber (display); 470 int fd = XConnectionNumber (dpy);
373 471
374#ifndef NO_SLOW_LINK_SUPPORT
375 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
376 // assume unix domains socket == local, everything else not 473 // assume unix domain socket == local, everything else not
377 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
378 is_local = 0; 475 is_local = 0;
379 sockaddr_un sa; 476 sockaddr_un sa;
380 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
381 478
382 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
383 is_local = sa.sun_family == AF_LOCAL; 480 is_local = sa.sun_family == AF_UNIX;
384#endif
385 481
482 flush_ev.start ();
386 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
387 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
388 485
389 XSelectInput (display, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
390 487
391 flush (); 488 flush ();
392 489
393 return true; 490 return true;
394} 491}
395 492
396void 493void
397rxvt_display::ref_next () 494rxvt_display::ref_next ()
398{ 495{
399 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
400 // before re-loading/parsing 497 // before affording re-loading/parsing
401 XrmDestroyDatabase (XrmGetDatabase (display)); 498 XrmDestroyDatabase (XrmGetDatabase (dpy));
499#if XLIB_ILLEGAL_ACCESS
500 /* work around a bug in XrmSetDatabase where it frees the db */
501 dpy->db = 0;
502#endif
402 XrmSetDatabase (display, get_resources ()); 503 XrmSetDatabase (dpy, get_resources (true));
403} 504}
404 505
405rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
406{ 507{
407 if (!display) 508 if (!dpy)
408 return; 509 return;
409 510
410#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
411 XFreeCursor (display, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
412#endif 513#endif
413 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
414#ifdef USE_XIM 516#ifdef USE_XIM
415 xims.clear (); 517 xims.clear ();
416#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
417 XCloseDisplay (display); 520 XCloseDisplay (dpy);
418} 521}
419 522
420#ifdef USE_XIM 523#ifdef USE_XIM
421void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
422{ 525{
… …
430 // registers, as xlib crashes due to a race otherwise. 533 // registers, as xlib crashes due to a race otherwise.
431 Atom actual_type, *atoms; 534 Atom actual_type, *atoms;
432 int actual_format; 535 int actual_format;
433 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
434 537
435 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
436 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
437 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
438 != Success ) 541 != Success)
439 return; 542 return;
440 543
441 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
442 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
443 if (XGetSelectionOwner (display, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
444 { 547 {
445 im_change_cb (); 548 im_change_cb ();
446 break; 549 break;
447 } 550 }
448 551
449 XFree (atoms); 552 XFree (atoms);
450} 553}
451#endif 554#endif
452 555
453void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
454{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
455 do 564 do
456 { 565 {
457 XEvent xev; 566 XEvent xev;
458 XNextEvent (display, &xev); 567 XNextEvent (dpy, &xev);
459 568
460#ifdef USE_XIM 569#ifdef USE_XIM
461 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
462 { 571 {
463 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
464 && xev.xany.window == root 573 && xev.xany.window == root
465 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
466 im_change_check (); 575 im_change_check ();
467#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
468 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
469 { 581 {
470 if (!xw[i]) 582 if (!xw[i])
471 xw.erase_unordered (i); 583 xw.erase_unordered (i);
472 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
473 xw[i]->call (xev); 585 xw[i]->call (xev);
474 } 586 }
475#ifdef USE_XIM 587#ifdef USE_XIM
476 } 588 }
477#endif 589#endif
478 } 590 }
479 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
480 592
481 XFlush (display); 593 w.stop ();
482}
483
484void rxvt_display::flush ()
485{
486 if (XEventsQueued (display, QueuedAlready))
487 x_cb (x_ev, EVENT_READ);
488
489 XFlush (display);
490} 594}
491 595
492void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
493{ 597{
598 if (!w->active)
599 {
494 xw.push_back (w); 600 xw.push_back (w);
495 w->active = xw.size (); 601 w->active = xw.size ();
602 }
496} 603}
497 604
498void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
499{ 606{
500 if (w->active) 607 if (w->active)
608 {
501 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
502} 612}
503 613
504void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
505{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
506 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
507 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
508 624
509 selection_owner = owner; 625 cur_owner = owner;
510} 626}
511 627
512#ifdef USE_XIM 628#ifdef USE_XIM
629
513void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
514{ 631{
515 imw.push_back (w); 632 imw.push_back (w);
516} 633}
517 634
… …
526 int l, m; 643 int l, m;
527 644
528 l = strlen (locale); 645 l = strlen (locale);
529 m = strlen (modifiers); 646 m = strlen (modifiers);
530 647
531 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
532 return 0; 649 return 0;
533 650
534 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
535 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
536 653
537 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
538 655
539 free (id);
540
541 return xim; 656 return xim;
542} 657}
543 658
544void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
545{ 660{
546#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
547 xims.put (xim); 662 xims.put (xim);
548#endif 663# endif
549} 664}
665
550#endif 666#endif
551 667
552Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
553{ 669{
554 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
555} 671}
556 672
557///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
558 674
559template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
560refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
561 677
562///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
563 679//
680
681static unsigned int
682insert_component (unsigned int value, unsigned int mask, unsigned int shift)
683{
684 return (value * (mask + 1) >> 16) << shift;
685}
686
564bool 687bool
565rxvt_color::alloc (rxvt_screen *screen, const rxvt_rgba &color) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
566{ 689{
690 //TODO: only supports 24 bit
691 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
567#if XFT 693#if XFT
568 XRenderPictFormat *format; 694 XRenderPictFormat *format;
569 695
570 // FUCKING Xft gets it wrong, of course, so work around it 696 // FUCKING Xft gets it wrong, of course, so work around it.
571 // transparency users should eat shit and die, and then 697 // Transparency users should eat shit and die, and then
572 // XRenderQueryPictIndexValues themselves plenty. 698 // XRenderQueryPictIndexValues themselves plenty.
573 if ((screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor) 699 if ((screen->visual->c_class == TrueColor)
574 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual))) 700 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
575 { 701 {
576 // the fun lies in doing everything manually... 702 // the fun lies in doing everything manually...
577 c.color.red = color.r; 703 c.color.red = color.r;
578 c.color.green = color.g; 704 c.color.green = color.g;
579 c.color.blue = color.b; 705 c.color.blue = color.b;
580 c.color.alpha = color.a; 706 c.color.alpha = alpha;
581 707
582 c.pixel = ((color.r * format->direct.redMask / rxvt_rgba::MAX_CC) << format->direct.red ) 708 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
583 | ((color.g * format->direct.greenMask / rxvt_rgba::MAX_CC) << format->direct.green) 709 | insert_component (color.g, format->direct.greenMask, format->direct.green)
584 | ((color.b * format->direct.blueMask / rxvt_rgba::MAX_CC) << format->direct.blue ) 710 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
585 | ((color.a * format->direct.alphaMask / rxvt_rgba::MAX_CC) << format->direct.alpha); 711 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
586 712
587 return true; 713 return true;
588 } 714 }
589 else 715 else
590 { 716 {
591 XRenderColor d; 717 XRenderColor d;
592 718
593 d.red = color.r; 719 d.red = color.r;
594 d.green = color.g; 720 d.green = color.g;
595 d.blue = color.b; 721 d.blue = color.b;
596 d.alpha = color.a; 722 d.alpha = alpha;
597 723
598 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); 724 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
599 } 725 }
600#else 726#else
601 if (screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor) 727 c.red = color.r;
728 c.green = color.g;
729 c.blue = color.b;
730
731 if (screen->visual->c_class == TrueColor)
602 { 732 {
603 p = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask )) 733 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
604 / rxvt_rgba::MAX_CC) << ctz (screen->visual->red_mask ) 734 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
605 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
606 / rxvt_rgba::MAX_CC) << ctz (screen->visual->green_mask)
607 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask )) 735 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
608 / rxvt_rgba::MAX_CC) << ctz (screen->visual->blue_mask );
609 736
610 return true; 737 return true;
611 } 738 }
739 else if (XAllocColor (screen->dpy, screen->cmap, &c))
740 return true;
612 else 741 else
613 {
614 XColor xc;
615
616 xc.red = color.r;
617 xc.green = color.g;
618 xc.blue = color.b;
619
620 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
621 {
622 p = xc.pixel;
623 return true;
624 }
625 else
626 p = (color.r + color.g + color.b) > 128*3 742 c.pixel = (color.r + color.g + color.b) > 128*3
627 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->xdisp)) 743 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
628 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->xdisp)); 744 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
629 }
630#endif 745#endif
631 746
632 return false; 747 return false;
633} 748}
634 749
635bool 750bool
636rxvt_color::set (rxvt_screen *screen, const char *name) 751rxvt_color::set (rxvt_screen *screen, const char *name)
637{ 752{
638 rxvt_rgba c; 753 rgba c;
639 char eos; 754 char eos;
640 int skip; 755 int skip;
641 756
757 c.a = rgba::MAX_CC;
758
759 // parse the nonstandard "[alphapercent]" prefix
642 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) 760 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
643 { 761 {
644 c.a = lerp<int, int, int> (0, rxvt_rgba::MAX_CC, c.a); 762 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
645 name += skip; 763 name += skip;
646 } 764 }
647 else
648 c.a = rxvt_rgba::MAX_CC;
649 765
650 // parse the non-standard rgba format 766 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
651 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &c.r, &c.g, &c.b, &c.a, &eos)) 767 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
652 { 768 {
653 XColor xc, xc_exact; 769 XColor xc;
654 770
655 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 771 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
656 { 772 {
657 c.r = xc.red; 773 c.r = xc.red;
658 c.g = xc.green; 774 c.g = xc.green;
659 c.b = xc.blue; 775 c.b = xc.blue;
660 } 776 }
… …
670 786
671 return set (screen, c); 787 return set (screen, c);
672} 788}
673 789
674bool 790bool
675rxvt_color::set (rxvt_screen *screen, const rxvt_rgba &color) 791rxvt_color::set (rxvt_screen *screen, const rgba &color)
676{ 792{
677 bool got = alloc (screen, color); 793 bool got = alloc (screen, color);
678 794
679#if !ENABLE_MINIMAL 795#if !ENABLE_MINIMAL
680 int cmap_size = screen->visual->map_entries; 796 int cmap_size = screen->visual->map_entries;
… …
685 { 801 {
686 XColor *colors = new XColor [screen->visual->map_entries]; 802 XColor *colors = new XColor [screen->visual->map_entries];
687 803
688 for (int i = 0; i < cmap_size; i++) 804 for (int i = 0; i < cmap_size; i++)
689 colors [i].pixel = i; 805 colors [i].pixel = i;
690 806
807 // many kilobytes transfer per colour, but pseudocolor isn't worth
808 // many extra optimisations.
691 XQueryColors (screen->xdisp, screen->cmap, colors, cmap_size); 809 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
692 810
693 int diff = 0x7fffffffUL; 811 int diff = 0x7fffffffUL;
694 XColor *best = colors; 812 XColor *best = colors;
695 813
696 for (int i = 0; i < cmap_size; i++) 814 for (int i = 0; i < cmap_size; i++)
… …
706 } 824 }
707 } 825 }
708 826
709 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", 827 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
710 // color.r, color.g, color.b, best->red, best->green, best->blue, diff); 828 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
711 829
712 got = alloc (screen, rxvt_rgba (best->red, best->green, best->blue)); 830 got = alloc (screen, rgba (best->red, best->green, best->blue));
713 831
714 delete colors; 832 delete [] colors;
715 } 833 }
716#endif 834#endif
717 835
718 return got; 836 return got;
719} 837}
720 838
721void 839void
722rxvt_color::get (rxvt_screen *screen, rxvt_rgba &color) 840rxvt_color::get (rgba &color)
723{ 841{
724#if XFT 842#if XFT
725 color.r = c.color.red; 843 color.r = c.color.red;
726 color.g = c.color.green; 844 color.g = c.color.green;
727 color.b = c.color.blue; 845 color.b = c.color.blue;
728 color.a = c.color.alpha; 846 color.a = c.color.alpha;
729#else 847#else
730 XColor c;
731
732 c.pixel = p;
733 XQueryColor (screen->xdisp, screen->cmap, &c);
734
735 color.r = c.red; 848 color.r = c.red;
736 color.g = c.green; 849 color.g = c.green;
737 color.b = c.blue; 850 color.b = c.blue;
738 color.a = rxvt_rgba::MAX_CC; 851 color.a = rgba::MAX_CC;
739#endif 852#endif
740} 853}
741 854
742void 855void
856rxvt_color::get (XColor &color)
857{
858 rgba c;
859 get (c);
860
861 color.red = c.r;
862 color.green = c.g;
863 color.blue = c.b;
864 color.pixel = (Pixel)*this;
865}
866
867void
743rxvt_color::free (rxvt_screen *screen) 868rxvt_color::free (rxvt_screen *screen)
744{ 869{
870 if (screen->visual->c_class == TrueColor)
871 return; // nothing to do
872
745#if XFT 873#if XFT
746 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 874 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
747#else 875#else
748 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 876 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
749#endif 877#endif
750} 878}
751 879
752rxvt_color 880void
753rxvt_color::fade (rxvt_screen *screen, int percent, const rxvt_rgba &to) 881rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
754{ 882{
755 rxvt_rgba c; 883 rgba c;
756 get (screen, c); 884 get (c);
757 885
758 rxvt_color faded; 886 result.set (
759 faded.set (
760 screen, 887 screen,
761 rxvt_rgba ( 888 rgba (
762 lerp (to.r, c.r, percent), 889 lerp (c.r, to.r, percent),
763 lerp (to.g, c.g, percent), 890 lerp (c.g, to.g, percent),
764 lerp (to.b, c.b, percent), 891 lerp (c.b, to.b, percent),
765 lerp (to.a, c.a, percent) 892 lerp (c.a, to.a, percent)
766 ) 893 )
767 ); 894 );
895}
768 896
897rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, sel_cb cb, void *ptr)
898: display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr)
899{
900 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
901
902 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
903 timer_ev.repeat = 10.;
904 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
905
906 incr_buf = 0;
907 incr_buf_size = incr_buf_fill = 0;
908 selection_wait = Sel_normal;
909
910#if X_HAVE_UTF8_STRING
911 selection_type = Sel_UTF8String;
912 if (request (display->xa[XA_UTF8_STRING], selnum))
913 return;
914#else
915 selection_type = Sel_CompoundText;
916 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
917 return;
918#endif
919
920 // fallback to CUT_BUFFER0 if the requested property has no owner
921 handle_selection (display->root, XA_CUT_BUFFER0, false);
922}
923
924rxvt_selection::~rxvt_selection ()
925{
926 stop ();
927}
928
929void
930rxvt_selection::stop ()
931{
932 free (incr_buf);
933 incr_buf = 0;
934 timer_ev.stop ();
935 x_ev.stop (display);
936}
937
938bool
939rxvt_selection::request (Atom target, int selnum)
940{
941 Atom sel;
942
943 selection_type |= selnum;
944
945 if (selnum == Sel_Primary)
946 sel = XA_PRIMARY;
947 else if (selnum == Sel_Secondary)
948 sel = XA_SECONDARY;
949 else
950 sel = display->xa[XA_CLIPBOARD];
951
952 if (XGetSelectionOwner (display->dpy, sel) != None)
953 {
954 XConvertSelection (display->dpy, sel, target, request_prop,
955 request_win, request_time);
956 x_ev.start (display, request_win);
957 timer_ev.again ();
958 return true;
959 }
960
769 return faded; 961 return false;
770} 962}
771 963
964void
965rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
966{
967 Display *dpy = display->dpy;
968 char *data = 0;
969 unsigned int data_len = 0;
970 unsigned long bytes_after;
971 XTextProperty ct;
972
973 // check for failed XConvertSelection
974 if (prop == None)
975 {
976 bool error = true;
977 int selnum = selection_type & Sel_whereMask;
978
979 if (selection_type & Sel_CompoundText)
980 {
981 selection_type = 0;
982 error = !request (XA_STRING, selnum);
983 }
984
985 if (selection_type & Sel_UTF8String)
986 {
987 selection_type = Sel_CompoundText;
988 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
989 }
990
991 if (error)
992 {
993 ct.value = 0;
994 goto bailout;
995 }
996
997 return;
998 }
999
1000 // length == (2^31 - 1) / 4, as gdk
1001 if (XGetWindowProperty (dpy, win, prop,
1002 0, 0x1fffffff,
1003 delete_prop, AnyPropertyType,
1004 &ct.encoding, &ct.format,
1005 &ct.nitems, &bytes_after,
1006 &ct.value) != Success)
1007 {
1008 ct.value = 0;
1009 goto bailout;
1010 }
1011
1012 if (ct.encoding == None)
1013 goto bailout;
1014
1015 if (ct.value == 0)
1016 goto bailout;
1017
1018 if (ct.encoding == display->xa[XA_INCR])
1019 {
1020 // INCR selection, start handshake
1021 if (!delete_prop)
1022 XDeleteProperty (dpy, win, prop);
1023
1024 selection_wait = Sel_incr;
1025 timer_ev.again ();
1026
1027 goto bailout;
1028 }
1029
1030 if (ct.nitems == 0)
1031 {
1032 if (selection_wait == Sel_incr)
1033 {
1034 XFree (ct.value);
1035
1036 // finally complete, now paste the whole thing
1037 selection_wait = Sel_normal;
1038 ct.value = (unsigned char *)incr_buf;
1039 ct.nitems = incr_buf_fill;
1040 incr_buf = 0;
1041 timer_ev.stop ();
1042 }
1043 else
1044 {
1045 // avoid recursion
1046 if (win != display->root || prop != XA_CUT_BUFFER0)
1047 {
1048 XFree (ct.value);
1049
1050 // fallback to CUT_BUFFER0 if the requested property
1051 // has an owner but is empty
1052 handle_selection (display->root, XA_CUT_BUFFER0, False);
1053 return;
1054 }
1055
1056 goto bailout;
1057 }
1058 }
1059 else if (selection_wait == Sel_incr)
1060 {
1061 timer_ev.again ();
1062
1063 while (incr_buf_fill + ct.nitems > incr_buf_size)
1064 {
1065 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1066 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1067 }
1068
1069 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1070 incr_buf_fill += ct.nitems;
1071
1072 goto bailout;
1073 }
1074
1075 char **cl;
1076 int cr;
1077
1078 // we honour the first item only
1079
1080#if !ENABLE_MINIMAL
1081 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1082 // so recode it manually
1083 if (ct.encoding == display->xa[XA_UTF8_STRING])
1084 {
1085 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1086 data = rxvt_wcstombs (w);
1087 free (w);
1088 }
1089 else
1090#endif
1091 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1092 && cl)
1093 {
1094 data = strdup (cl[0]);
1095 XFreeStringList (cl);
1096 }
1097 else
1098 {
1099 // paste raw
1100 data = strdup ((const char *)ct.value);
1101 }
1102
1103 data_len = strlen (data);
1104
1105bailout:
1106 XFree (ct.value);
1107
1108 if (selection_wait == Sel_normal)
1109 {
1110 stop ();
1111 request_cb (data, data_len, this, user_data);
1112 free (data);
1113 }
1114}
1115
1116void
1117rxvt_selection::timer_cb (ev::timer &w, int revents)
1118{
1119 if (selection_wait == Sel_incr)
1120 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1121
1122 stop ();
1123 request_cb (NULL, 0, this, user_data);
1124}
1125
1126void
1127rxvt_selection::x_cb (XEvent &xev)
1128{
1129 switch (xev.type)
1130 {
1131 case PropertyNotify:
1132 if (selection_wait == Sel_incr
1133 && xev.xproperty.atom == request_prop
1134 && xev.xproperty.state == PropertyNewValue)
1135 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1136 break;
1137
1138 case SelectionNotify:
1139 if (selection_wait == Sel_normal
1140 && xev.xselection.time == request_time
1141 && xev.xselection.property == request_prop)
1142 {
1143 timer_ev.stop ();
1144 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1145 }
1146 break;
1147 }
1148}

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