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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.31 by root, Sun Jan 29 22:27:04 2006 UTC vs.
Revision 1.131 by root, Fri Feb 24 07:10:54 2012 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 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",
47 "TARGETS", 45 "TARGETS",
48 "TIMESTAMP", 46 "TIMESTAMP",
49 "VT_SELECTION", 47 "VT_SELECTION",
50 "INCR", 48 "INCR",
51 "WM_PROTOCOLS", 49 "WM_PROTOCOLS",
52 "WM_DELETE_WINDOW", 50 "WM_DELETE_WINDOW",
53 "CLIPBOARD", 51 "CLIPBOARD",
52 "AVERAGE_WIDTH",
53 "WEIGHT_NAME",
54 "SLANT",
55 "CHARSET_REGISTRY",
56 "CHARSET_ENCODING",
54#if ENABLE_FRILLS 57#if ENABLE_FRILLS
55 "_MOTIF_WM_HINTS", 58 "_MOTIF_WM_HINTS",
56#endif 59#endif
57#if ENABLE_EWMH 60#if ENABLE_EWMH
58 "_NET_WM_PID", 61 "_NET_WM_PID",
59 "_NET_WM_NAME", 62 "_NET_WM_NAME",
60 "_NET_WM_ICON_NAME", 63 "_NET_WM_ICON_NAME",
61 "_NET_WM_PING", 64 "_NET_WM_PING",
65 "_NET_WM_ICON",
62#endif 66#endif
63#if USE_XIM 67#if USE_XIM
64 "WM_LOCALE_NAME", 68 "WM_LOCALE_NAME",
65 "XIM_SERVERS", 69 "XIM_SERVERS",
66#endif 70#endif
67#ifdef TRANSPARENT 71#ifdef ENABLE_TRANSPARENCY
68 "_XROOTPMAP_ID", 72 "_XROOTPMAP_ID",
69 "ESETROOT_PMAP_ID", 73 "ESETROOT_PMAP_ID",
70#endif 74#endif
71#if ENABLE_XEMBED 75#if ENABLE_XEMBED
72 "_XEMBED", 76 "_XEMBED",
73 "_XEMBED_INFO", 77 "_XEMBED_INFO",
78#endif
79#if !ENABLE_MINIMAL
80 "SCREEN_RESOURCES",
81 "XDCCC_LINEAR_RGB_CORRECTION",
82 "XDCCC_LINEAR_RGB_MATRICES",
83 "WM_COLORMAP_WINDOWS",
84 "WM_STATE",
85 "cursor",
86# if USE_XIM
87 "TRANSPORT",
88 "LOCALES",
89 "_XIM_PROTOCOL",
90 "_XIM_XCONNECT",
91 "_XIM_MOREDATA",
74#endif 92# endif
75 }; 93#endif
94};
76 95
77///////////////////////////////////////////////////////////////////////////// 96/////////////////////////////////////////////////////////////////////////////
78 97
79refcounted::refcounted (const char *id) 98refcounted::refcounted (const char *id)
80{ 99{
… …
157bool 176bool
158rxvt_xim::ref_init () 177rxvt_xim::ref_init ()
159{ 178{
160 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
161 180
162 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
163 182
164 if (!xim) 183 if (!xim)
165 return false; 184 return false;
166 185
167 XIMCallback ximcallback; 186 XIMCallback ximcallback;
168 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
169 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
170 189
171 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
172 191
173 return true; 192 return true;
174} 193}
175 194
176rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
… …
181 200
182#endif 201#endif
183 202
184///////////////////////////////////////////////////////////////////////////// 203/////////////////////////////////////////////////////////////////////////////
185 204
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
186void 252void
187rxvt_screen::set (rxvt_display *disp) 253rxvt_screen::set (rxvt_display *disp)
188{ 254{
189 display = disp; 255 display = disp;
190 xdisp = disp->display; 256 dpy = disp->dpy;
191 257
192 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 258 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
193 259
194 depth = DefaultDepthOfScreen (screen); 260 depth = DefaultDepthOfScreen (screen);
195 visual = DefaultVisualOfScreen (screen); 261 visual = DefaultVisualOfScreen (screen);
196 cmap = DefaultColormapOfScreen (screen); 262 cmap = DefaultColormapOfScreen (screen);
197} 263}
198 264
199void 265void
200rxvt_screen::set (rxvt_display *disp, int bitdepth) 266rxvt_screen::select_visual (int bitdepth)
201{ 267{
202 set (disp);
203
204#if XFT 268#if XFT
205 XVisualInfo vinfo; 269 XVisualInfo vinfo;
206 270
207 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 271 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
208 { 272 {
209 depth = bitdepth; 273 depth = bitdepth;
210 visual = vinfo.visual; 274 visual = vinfo.visual;
211 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 275 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
212 } 276 }
213#endif 277#endif
214} 278}
215 279
216void 280void
217rxvt_screen::clear () 281rxvt_screen::clear ()
218{ 282{
283#if XFT
284 if (scratch_area)
285 {
286 XFreePixmap (dpy, scratch_area->drawable);
287 delete scratch_area;
288 }
289#endif
290
219 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 291 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
220 XFreeColormap (xdisp, cmap); 292 XFreeColormap (dpy, cmap);
221} 293}
222 294
223///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
224 296
225rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
226: refcounted (id) 298: refcounted (id)
227, x_ev (this, &rxvt_display::x_cb)
228, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
229{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
230} 304}
231 305
232XrmDatabase 306XrmDatabase
233rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
234{ 308{
235 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
236 char fname[1024]; 310 char fname[1024];
237 311
238 /* 312 /*
239 * get resources using the X library function 313 * get resources using the X library function
240 */ 314 */
241 char *displayResource, *xe; 315 char *displayResource, *xe;
242 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
243 317
244 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
245 322
246 // 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
247 325
248 // 6. System wide per application default file. 326 // 6. System wide per application default file.
249 327
250 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
251 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
252 { 330 {
253 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
254 332
255 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
256 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
258 336
259 // 5. User's per application default file. 337 // 5. User's per application default file.
260 // none 338 // none
261 339
262 // 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
263 /* 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
264 displayResource = XResourceManagerString (display); 384 displayResource = XResourceManagerString (dpy);
265 385
266 if (displayResource != NULL) 386 if (displayResource)
267 { 387 {
268 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
269 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
270 } 390 }
271 else if (homedir)
272 {
273 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
274 391
275 if ((rdb1 = XrmGetFileDatabase (fname))) 392#if !XLIB_ILLEGAL_ACCESS
276 XrmMergeDatabases (rdb1, &database); 393 if (refresh && displayResource)
277 } 394 XFree (displayResource);
395#endif
278 396
279 /* Get screen specific resources */ 397 /* Get screen specific resources */
280 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
281 399
282 if (displayResource != NULL) 400 if (displayResource)
283 { 401 {
284 if ((rdb1 = XrmGetStringDatabase (displayResource))) 402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
285 /* Merge with screen-independent resources */ 403 /* Merge with screen-independent resources */
286 XrmMergeDatabases (rdb1, &database); 404 XrmMergeDatabases (rdb1, &database);
287 405
288 XFree (displayResource); 406 XFree (displayResource);
289 } 407 }
290 408
291 // 3. User's per host defaults file 409 // 3. User's per host defaults file
292 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
293 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
294 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
295 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
296 else if (homedir) 414 else if (homedir)
297 { 415 {
298 struct utsname un; 416 struct utsname un;
… …
312bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
313{ 431{
314#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
315 if (id[0] == ':') 433 if (id[0] == ':')
316 { 434 {
317 val = rxvt_malloc (5 + strlen (id) + 1); 435 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
436
318 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
319 strcat (val, id); 438 strcat (val, id);
439
320 display = XOpenDisplay (val); 440 dpy = XOpenDisplay (val);
321 free (val);
322 } 441 }
323 else 442 else
324#endif 443#endif
325 display = 0; 444 dpy = 0;
326 445
327 if (!display) 446 if (!dpy)
328 display = XOpenDisplay (id); 447 dpy = XOpenDisplay (id);
329 448
330 if (!display) 449 if (!dpy)
331 return false; 450 return false;
332 451
333 screen = DefaultScreen (display); 452 screen = DefaultScreen (dpy);
334 root = DefaultRootWindow (display); 453 root = DefaultRootWindow (dpy);
335 454
336 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 455 assert (ecb_array_length (xa_names) == NUM_XA);
337 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 456 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
338 457
339 XrmSetDatabase (display, get_resources ()); 458 XrmSetDatabase (dpy, get_resources (false));
340 459
341#ifdef POINTER_BLANK 460#ifdef POINTER_BLANK
342 XColor blackcolour; 461 XColor blackcolour;
343 blackcolour.red = 0; 462 blackcolour.red = 0;
344 blackcolour.green = 0; 463 blackcolour.green = 0;
345 blackcolour.blue = 0; 464 blackcolour.blue = 0;
346 Font f = XLoadFont (display, "fixed"); 465 Font f = XLoadFont (dpy, "fixed");
347 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 466 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
348 &blackcolour, &blackcolour); 467 &blackcolour, &blackcolour);
349 XUnloadFont (display, f); 468 XUnloadFont (dpy, f);
350#endif 469#endif
351 470
352 int fd = XConnectionNumber (display); 471 int fd = XConnectionNumber (dpy);
353 472
354#ifndef NO_SLOW_LINK_SUPPORT
355 // try to detect wether we have a local connection. 473 // try to detect whether we have a local connection.
356 // assume unix domains socket == local, everything else not 474 // assume unix domain socket == local, everything else not
357 // TODO: might want to check for inet/127.0.0.1 475 // TODO: might want to check for inet/127.0.0.1
358 is_local = 0; 476 is_local = 0;
359 sockaddr_un sa; 477 sockaddr_un sa;
360 socklen_t sl = sizeof (sa); 478 socklen_t sl = sizeof (sa);
361 479
362 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 480 if (!getsockname (fd, (sockaddr *)&sa, &sl))
363 is_local = sa.sun_family == AF_LOCAL; 481 is_local = sa.sun_family == AF_UNIX;
364#endif
365 482
483 flush_ev.start ();
366 x_ev.start (fd, EVENT_READ); 484 x_ev.start (fd, ev::READ);
367 fcntl (fd, F_SETFD, FD_CLOEXEC); 485 fcntl (fd, F_SETFD, FD_CLOEXEC);
368 486
369 XSelectInput (display, root, PropertyChangeMask); 487 XSelectInput (dpy, root, PropertyChangeMask);
370 488
371 flush (); 489 flush ();
372 490
373 return true; 491 return true;
374} 492}
375 493
376void 494void
377rxvt_display::ref_next () 495rxvt_display::ref_next ()
378{ 496{
379 // TODO: somehow check wether the database files/resources changed 497 // TODO: somehow check whether the database files/resources changed
380 // before re-loading/parsing 498 // before affording re-loading/parsing
381 XrmDestroyDatabase (XrmGetDatabase (display)); 499 XrmDestroyDatabase (XrmGetDatabase (dpy));
500#if XLIB_ILLEGAL_ACCESS
501 /* work around a bug in XrmSetDatabase where it frees the db */
502 dpy->db = 0;
503#endif
382 XrmSetDatabase (display, get_resources ()); 504 XrmSetDatabase (dpy, get_resources (true));
383} 505}
384 506
385rxvt_display::~rxvt_display () 507rxvt_display::~rxvt_display ()
386{ 508{
387 if (!display) 509 if (!dpy)
388 return; 510 return;
389 511
390#ifdef POINTER_BLANK 512#ifdef POINTER_BLANK
391 XFreeCursor (display, blank_cursor); 513 XFreeCursor (dpy, blank_cursor);
392#endif 514#endif
393 x_ev.stop (); 515 x_ev.stop ();
516 flush_ev.stop ();
394#ifdef USE_XIM 517#ifdef USE_XIM
395 xims.clear (); 518 xims.clear ();
396#endif 519#endif
520 XrmDestroyDatabase (XrmGetDatabase (dpy));
397 XCloseDisplay (display); 521 XCloseDisplay (dpy);
398} 522}
399 523
400#ifdef USE_XIM 524#ifdef USE_XIM
401void rxvt_display::im_change_cb () 525void rxvt_display::im_change_cb ()
402{ 526{
… …
410 // registers, as xlib crashes due to a race otherwise. 534 // registers, as xlib crashes due to a race otherwise.
411 Atom actual_type, *atoms; 535 Atom actual_type, *atoms;
412 int actual_format; 536 int actual_format;
413 unsigned long nitems, bytes_after; 537 unsigned long nitems, bytes_after;
414 538
415 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 539 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
416 False, XA_ATOM, &actual_type, &actual_format, 540 False, XA_ATOM, &actual_type, &actual_format,
417 &nitems, &bytes_after, (unsigned char **)&atoms) 541 &nitems, &bytes_after, (unsigned char **)&atoms)
418 != Success ) 542 != Success)
419 return; 543 return;
420 544
421 if (actual_type == XA_ATOM && actual_format == 32) 545 if (actual_type == XA_ATOM && actual_format == 32)
422 for (int i = 0; i < nitems; i++) 546 for (int i = 0; i < nitems; i++)
423 if (XGetSelectionOwner (display, atoms[i])) 547 if (XGetSelectionOwner (dpy, atoms[i]))
424 { 548 {
425 im_change_cb (); 549 im_change_cb ();
426 break; 550 break;
427 } 551 }
428 552
429 XFree (atoms); 553 XFree (atoms);
430} 554}
431#endif 555#endif
432 556
433void rxvt_display::x_cb (io_watcher &w, short revents) 557void rxvt_display::x_cb (ev::io &w, int revents)
434{ 558{
559 flush_ev.start ();
560}
561
562void rxvt_display::flush_cb (ev::prepare &w, int revents)
563{
564 while (XEventsQueued (dpy, QueuedAfterFlush))
435 do 565 do
436 { 566 {
437 XEvent xev; 567 XEvent xev;
438 XNextEvent (display, &xev); 568 XNextEvent (dpy, &xev);
439 569
440#ifdef USE_XIM 570#ifdef USE_XIM
441 if (!XFilterEvent (&xev, None)) 571 if (!XFilterEvent (&xev, None))
442 { 572 {
443 if (xev.type == PropertyNotify 573 if (xev.type == PropertyNotify
444 && xev.xany.window == root 574 && xev.xany.window == root
445 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 575 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
446 im_change_check (); 576 im_change_check ();
447#endif 577#endif
578 if (xev.type == MappingNotify)
579 XRefreshKeyboardMapping (&xev.xmapping);
580
448 for (int i = xw.size (); i--; ) 581 for (int i = xw.size (); i--; )
449 { 582 {
450 if (!xw[i]) 583 if (!xw[i])
451 xw.erase_unordered (i); 584 xw.erase_unordered (i);
452 else if (xw[i]->window == xev.xany.window) 585 else if (xw[i]->window == xev.xany.window)
453 xw[i]->call (xev); 586 xw[i]->call (xev);
454 } 587 }
455#ifdef USE_XIM 588#ifdef USE_XIM
456 } 589 }
457#endif 590#endif
458 } 591 }
459 while (XEventsQueued (display, QueuedAlready)); 592 while (XEventsQueued (dpy, QueuedAlready));
460 593
461 XFlush (display); 594 w.stop ();
462}
463
464void rxvt_display::flush ()
465{
466 if (XEventsQueued (display, QueuedAlready))
467 x_cb (x_ev, EVENT_READ);
468
469 XFlush (display);
470} 595}
471 596
472void rxvt_display::reg (xevent_watcher *w) 597void rxvt_display::reg (xevent_watcher *w)
473{ 598{
599 if (!w->active)
600 {
474 xw.push_back (w); 601 xw.push_back (w);
475 w->active = xw.size (); 602 w->active = xw.size ();
603 }
476} 604}
477 605
478void rxvt_display::unreg (xevent_watcher *w) 606void rxvt_display::unreg (xevent_watcher *w)
479{ 607{
480 if (w->active) 608 if (w->active)
609 {
481 xw[w->active - 1] = 0; 610 xw[w->active - 1] = 0;
611 w->active = 0;
612 }
482} 613}
483 614
484void rxvt_display::set_selection_owner (rxvt_term *owner) 615void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
485{ 616{
617 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
618
486 if (selection_owner && selection_owner != owner) 619 if (cur_owner && cur_owner != owner)
487 selection_owner->selection_clear (); 620 {
621 rxvt_term *term = cur_owner;
622 term->selection_clear (clipboard);
623 term->flush ();
624 }
488 625
489 selection_owner = owner; 626 cur_owner = owner;
490} 627}
491 628
492#ifdef USE_XIM 629#ifdef USE_XIM
630
493void rxvt_display::reg (im_watcher *w) 631void rxvt_display::reg (im_watcher *w)
494{ 632{
495 imw.push_back (w); 633 imw.push_back (w);
496} 634}
497 635
… …
506 int l, m; 644 int l, m;
507 645
508 l = strlen (locale); 646 l = strlen (locale);
509 m = strlen (modifiers); 647 m = strlen (modifiers);
510 648
511 if (!(id = (char *)malloc (l + m + 2))) 649 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
512 return 0; 650 return 0;
513 651
514 memcpy (id, locale, l); id[l] = '\n'; 652 memcpy (id, locale, l); id[l] = '\n';
515 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 653 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
516 654
517 rxvt_xim *xim = xims.get (id); 655 rxvt_xim *xim = xims.get (id);
518 656
519 free (id);
520
521 return xim; 657 return xim;
522} 658}
523 659
524void rxvt_display::put_xim (rxvt_xim *xim) 660void rxvt_display::put_xim (rxvt_xim *xim)
525{ 661{
526#if XLIB_IS_RACEFREE 662# if XLIB_IS_RACEFREE
527 xims.put (xim); 663 xims.put (xim);
528#endif 664# endif
529} 665}
666
530#endif 667#endif
531 668
532Atom rxvt_display::atom (const char *name) 669Atom rxvt_display::atom (const char *name)
533{ 670{
534 return XInternAtom (display, name, False); 671 return XInternAtom (dpy, name, False);
535} 672}
536 673
537///////////////////////////////////////////////////////////////////////////// 674/////////////////////////////////////////////////////////////////////////////
538 675
539template class refcache<rxvt_display>; 676template class refcache<rxvt_display>;
540refcache<rxvt_display> displays; 677refcache<rxvt_display> displays;
541 678
542///////////////////////////////////////////////////////////////////////////// 679/////////////////////////////////////////////////////////////////////////////
543 680//
681
682static unsigned int
683insert_component (unsigned int value, unsigned int mask, unsigned int shift)
684{
685 return (value * (mask + 1) >> 16) << shift;
686}
687
688bool
689rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
690{
691 //TODO: only supports 24 bit
692 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
693
694#if XFT
695 XRenderPictFormat *format;
696
697 // FUCKING Xft gets it wrong, of course, so work around it.
698 // Transparency users should eat shit and die, and then
699 // XRenderQueryPictIndexValues themselves plenty.
700 if ((screen->visual->c_class == TrueColor)
701 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
702 {
703 // the fun lies in doing everything manually...
704 c.color.red = color.r;
705 c.color.green = color.g;
706 c.color.blue = color.b;
707 c.color.alpha = alpha;
708
709 // Xft wants premultiplied alpha, but abuses the alpha channel
710 // as blend factor, and doesn't allow us to set the alpha channel
711 c.color.red = c.color.red * alpha / 0xffff;
712 c.color.green = c.color.green * alpha / 0xffff;
713 c.color.blue = c.color.blue * alpha / 0xffff;
714
715 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
716 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
717 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
718 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
719
720 return true;
721 }
722 else
723 {
724 XRenderColor d;
725
726 d.red = color.r;
727 d.green = color.g;
728 d.blue = color.b;
729 d.alpha = alpha;
730
731 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
732 return true;
733 }
734#else
735 c.red = color.r;
736 c.green = color.g;
737 c.blue = color.b;
738
739 if (screen->visual->c_class == TrueColor)
740 {
741 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
742 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
743 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
744
745 return true;
746 }
747 else if (XAllocColor (screen->dpy, screen->cmap, &c))
748 return true;
749#endif
750
751 c.pixel = (color.r + color.g + color.b) > 128*3
752 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
753 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
754
755 return false;
756}
757
544bool 758bool
545rxvt_color::set (rxvt_screen *screen, const char *name) 759rxvt_color::set (rxvt_screen *screen, const char *name)
546{ 760{
761 rgba c;
762 char eos;
763 int skip;
764
765 c.a = rgba::MAX_CC;
766
767 // parse the nonstandard "[alphapercent]" prefix
768 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
769 {
770 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
771 name += skip;
772 }
773
774 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
775 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
776 {
777 XColor xc;
778
779 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
780 {
781 c.r = xc.red;
782 c.g = xc.green;
783 c.b = xc.blue;
784 }
785 else
786 {
787 c.r = 0xffff;
788 c.g = 0x6969;
789 c.b = 0xb4b4;
790
791 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
792 }
793 }
794
795 return set (screen, c);
796}
797
798bool
799rxvt_color::set (rxvt_screen *screen, const rgba &color)
800{
801 bool got = alloc (screen, color);
802
803#if !ENABLE_MINIMAL
804 int cmap_size = screen->visual->map_entries;
805
806 if (!got
807 && screen->visual->c_class == PseudoColor
808 && cmap_size < 4096)
809 {
810 XColor *colors = new XColor [screen->visual->map_entries];
811
812 for (int i = 0; i < cmap_size; i++)
813 colors [i].pixel = i;
814
815 // many kilobytes transfer per colour, but pseudocolor isn't worth
816 // many extra optimisations.
817 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
818
819 int diff = 0x7fffffffUL;
820 XColor *best = colors;
821
822 for (int i = 0; i < cmap_size; i++)
823 {
824 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
825 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
826 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
827
828 if (d < diff)
829 {
830 diff = d;
831 best = colors + i;
832 }
833 }
834
835 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
836 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
837
838 got = alloc (screen, rgba (best->red, best->green, best->blue));
839
840 delete [] colors;
841 }
842#endif
843
844 return got;
845}
846
847void
848rxvt_color::get (rgba &color)
849{
547#if XFT 850#if XFT
548 int l = strlen (name); 851 color.r = c.color.red;
549 rxvt_rgba r; 852 color.g = c.color.green;
550 char eos; 853 color.b = c.color.blue;
551 int mult; 854 color.a = c.color.alpha;
552
553 if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
554 mult = rxvt_rgba::MAX_CC / 0x000f;
555 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
556 mult = rxvt_rgba::MAX_CC / 0x00ff;
557 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
558 mult = rxvt_rgba::MAX_CC / 0xffff;
559 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
560 mult = rxvt_rgba::MAX_CC / 0xffff;
561 else
562 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
563
564 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
565 return set (screen, r);
566#else 855#else
567 XColor xc; 856 color.r = c.red;
568 857 color.g = c.green;
569 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 858 color.b = c.blue;
570 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 859 color.a = rgba::MAX_CC;
571
572 return false;
573#endif 860#endif
574} 861}
575 862
576bool 863void
864rxvt_color::get (XColor &color)
865{
866 rgba c;
867 get (c);
868
869 color.red = c.r;
870 color.green = c.g;
871 color.blue = c.b;
872 color.pixel = (Pixel)*this;
873}
874
875void
577rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 876rxvt_color::free (rxvt_screen *screen)
578{ 877{
878 if (screen->visual->c_class == TrueColor)
879 return; // nothing to do
880
579#if XFT 881#if XFT
580 XRenderPictFormat *format;
581
582 // FUCKING Xft gets it wrong, of course, so work around it
583 // transparency users should eat shit and die, and then
584 // XRenderQueryPictIndexValues themselves plenty.
585 if (screen->visual->c_class == TrueColor
586 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual)))
587 {
588 // the fun lies in doing everything manually...
589 c.color.red = rgba.r;
590 c.color.green = rgba.g;
591 c.color.blue = rgba.b;
592 c.color.alpha = rgba.a;
593
594 c.pixel = (rgba.r >> (16 - popcount (format->direct.redMask )) << format->direct.red)
595 | (rgba.g >> (16 - popcount (format->direct.greenMask)) << format->direct.green)
596 | (rgba.b >> (16 - popcount (format->direct.blueMask )) << format->direct.blue)
597 | (rgba.a >> (16 - popcount (format->direct.alphaMask)) << format->direct.alpha);
598
599 return true;
600 }
601 else
602 {
603 XRenderColor d;
604
605 d.red = rgba.r;
606 d.green = rgba.g;
607 d.blue = rgba.b;
608 d.alpha = rgba.a;
609
610 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); 882 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
611 }
612
613 return false;
614#else 883#else
615 XColor xc;
616
617 xc.red = rgba.r;
618 xc.green = rgba.g;
619 xc.blue = rgba.b;
620 xc.flags = DoRed | DoGreen | DoBlue;
621
622 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
623 {
624 p = xc.pixel;
625 return true;
626 }
627
628 return false;
629#endif
630}
631
632void
633rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
634{
635#if XFT
636 rgba.r = c.color.red;
637 rgba.g = c.color.green;
638 rgba.b = c.color.blue;
639 rgba.a = c.color.alpha;
640#else
641 XColor c;
642
643 c.pixel = p;
644 XQueryColor (screen->xdisp, screen->cmap, &c);
645
646 rgba.r = c.red;
647 rgba.g = c.green;
648 rgba.b = c.blue;
649 rgba.a = rxvt_rgba::MAX_CC;
650#endif
651}
652
653void
654rxvt_color::free (rxvt_screen *screen)
655{
656#if XFT
657 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
658#else
659 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 884 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
660#endif 885#endif
661} 886}
662 887
663rxvt_color 888void
664rxvt_color::fade (rxvt_screen *screen, int percent)
665{
666 rxvt_color faded;
667
668 rxvt_rgba c;
669 get (screen, c);
670
671 c.r = lerp (0, c.r, percent);
672 c.g = lerp (0, c.g, percent);
673 c.b = lerp (0, c.b, percent);
674
675 faded.set (screen, c);
676
677 return faded;
678}
679
680rxvt_color
681rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 889rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
682{ 890{
683 rxvt_rgba c, fc; 891 rgba c;
684 rxvt_color faded; 892 get (c);
685
686 get (screen, c);
687 fadeto.get (screen, fc);
688 893
689 faded.set ( 894 result.set (
690 screen, 895 screen,
691 rxvt_rgba ( 896 rgba (
692 lerp (fc.r, c.r, percent), 897 lerp (c.r, to.r, percent),
693 lerp (fc.g, c.g, percent), 898 lerp (c.g, to.g, percent),
694 lerp (fc.b, c.b, percent), 899 lerp (c.b, to.b, percent),
695 lerp (fc.a, c.a, percent) 900 lerp (c.a, to.a, percent)
696 ) 901 )
697 ); 902 );
903}
698 904
905rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
906: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
907{
908 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
909
910 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
911 timer_ev.repeat = 10.;
912 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
913
914 incr_buf = 0;
915 incr_buf_size = incr_buf_fill = 0;
916 selection_wait = Sel_normal;
917 selection_type = selnum;
918 cb_sv = 0;
919}
920
921void
922rxvt_selection::stop ()
923{
924 free (incr_buf);
925 incr_buf = 0;
926 timer_ev.stop ();
927 x_ev.stop (display);
928}
929
930rxvt_selection::~rxvt_selection ()
931{
932 stop ();
933}
934
935void
936rxvt_selection::run ()
937{
938 int selnum = selection_type;
939
940#if ENABLE_FRILLS
941 if (selnum == Sel_Primary && display->selection_owner)
942 {
943 /* internal selection */
944 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
945 finish (str, strlen (str));
946 free (str);
947 return;
948 }
949#endif
950
951#if X_HAVE_UTF8_STRING
952 selection_type = Sel_UTF8String;
953 if (request (display->xa[XA_UTF8_STRING], selnum))
954 return;
955#else
956 selection_type = Sel_CompoundText;
957 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
958 return;
959#endif
960
961 // fallback to CUT_BUFFER0 if the requested property has no owner
962 handle_selection (display->root, XA_CUT_BUFFER0, false);
963}
964
965void
966rxvt_selection::finish (char *data, unsigned int len)
967{
968 if (!cb_sv)
969 {
970 if (data)
971 term->paste (data, len);
972
973 term->selection_req = 0;
974 delete this;
975 }
976#if ENABLE_PERL
977 else
978 {
979 stop (); // we do not really trust perl callbacks
980 rxvt_perl.selection_finish (this, data, len);
981 }
982#endif
983}
984
985bool
986rxvt_selection::request (Atom target, int selnum)
987{
988 Atom sel;
989
990 selection_type |= selnum;
991
992 if (selnum == Sel_Primary)
993 sel = XA_PRIMARY;
994 else if (selnum == Sel_Secondary)
995 sel = XA_SECONDARY;
996 else
997 sel = display->xa[XA_CLIPBOARD];
998
999 if (XGetSelectionOwner (display->dpy, sel) != None)
1000 {
1001 XConvertSelection (display->dpy, sel, target, request_prop,
1002 request_win, request_time);
1003 x_ev.start (display, request_win);
1004 timer_ev.again ();
1005 return true;
1006 }
1007
699 return faded; 1008 return false;
700} 1009}
701 1010
1011void
1012rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1013{
1014 Display *dpy = display->dpy;
1015 char *data = 0;
1016 unsigned int data_len = 0;
1017 unsigned long bytes_after;
1018 XTextProperty ct;
1019
1020 // check for failed XConvertSelection
1021 if (prop == None)
1022 {
1023 bool error = true;
1024 int selnum = selection_type & Sel_whereMask;
1025
1026 if (selection_type & Sel_CompoundText)
1027 {
1028 selection_type = 0;
1029 error = !request (XA_STRING, selnum);
1030 }
1031
1032 if (selection_type & Sel_UTF8String)
1033 {
1034 selection_type = Sel_CompoundText;
1035 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1036 }
1037
1038 if (error)
1039 {
1040 ct.value = 0;
1041 goto bailout;
1042 }
1043
1044 return;
1045 }
1046
1047 // length == (2^31 - 1) / 4, as gdk
1048 if (XGetWindowProperty (dpy, win, prop,
1049 0, 0x1fffffff,
1050 delete_prop, AnyPropertyType,
1051 &ct.encoding, &ct.format,
1052 &ct.nitems, &bytes_after,
1053 &ct.value) != Success)
1054 {
1055 ct.value = 0;
1056 goto bailout;
1057 }
1058
1059 if (ct.encoding == None)
1060 goto bailout;
1061
1062 if (ct.value == 0)
1063 goto bailout;
1064
1065 if (ct.encoding == display->xa[XA_INCR])
1066 {
1067 // INCR selection, start handshake
1068 if (!delete_prop)
1069 XDeleteProperty (dpy, win, prop);
1070
1071 selection_wait = Sel_incr;
1072 timer_ev.again ();
1073
1074 goto bailout;
1075 }
1076
1077 if (ct.nitems == 0)
1078 {
1079 if (selection_wait == Sel_incr)
1080 {
1081 XFree (ct.value);
1082
1083 // finally complete, now paste the whole thing
1084 selection_wait = Sel_normal;
1085 ct.value = (unsigned char *)incr_buf;
1086 ct.nitems = incr_buf_fill;
1087 incr_buf = 0;
1088 timer_ev.stop ();
1089 }
1090 else
1091 {
1092 // avoid recursion
1093 if (win != display->root || prop != XA_CUT_BUFFER0)
1094 {
1095 XFree (ct.value);
1096
1097 // fallback to CUT_BUFFER0 if the requested property
1098 // has an owner but is empty
1099 handle_selection (display->root, XA_CUT_BUFFER0, False);
1100 return;
1101 }
1102
1103 goto bailout;
1104 }
1105 }
1106 else if (selection_wait == Sel_incr)
1107 {
1108 timer_ev.again ();
1109
1110 while (incr_buf_fill + ct.nitems > incr_buf_size)
1111 {
1112 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1113 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1114 }
1115
1116 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1117 incr_buf_fill += ct.nitems;
1118
1119 goto bailout;
1120 }
1121
1122 char **cl;
1123 int cr;
1124
1125 // we honour the first item only
1126
1127#if !ENABLE_MINIMAL
1128 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1129 // so recode it manually
1130 if (ct.encoding == display->xa[XA_UTF8_STRING])
1131 {
1132 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1133 data = rxvt_wcstombs (w);
1134 free (w);
1135 }
1136 else
1137#endif
1138 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1139 && cl)
1140 {
1141 data = strdup (cl[0]);
1142 XFreeStringList (cl);
1143 }
1144 else
1145 {
1146 // paste raw
1147 data = strdup ((const char *)ct.value);
1148 }
1149
1150 data_len = strlen (data);
1151
1152bailout:
1153 XFree (ct.value);
1154
1155 if (selection_wait == Sel_normal)
1156 {
1157 finish (data, data_len);
1158 free (data);
1159 }
1160}
1161
1162void
1163rxvt_selection::timer_cb (ev::timer &w, int revents)
1164{
1165 if (selection_wait == Sel_incr)
1166 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1167
1168 finish ();
1169}
1170
1171void
1172rxvt_selection::x_cb (XEvent &xev)
1173{
1174 switch (xev.type)
1175 {
1176 case PropertyNotify:
1177 if (selection_wait == Sel_incr
1178 && xev.xproperty.atom == request_prop
1179 && xev.xproperty.state == PropertyNewValue)
1180 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1181 break;
1182
1183 case SelectionNotify:
1184 if (selection_wait == Sel_normal
1185 && xev.xselection.time == request_time)
1186 {
1187 timer_ev.stop ();
1188 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1189 }
1190 break;
1191 }
1192}

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