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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.26 by root, Wed Jan 25 21:03:04 2006 UTC vs.
Revision 1.109 by sf-exg, Mon Dec 13 08:29:25 2010 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvttoolkit.C 2 * File: rxvttoolkit.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
26 26
27#include <unistd.h> 27#include <unistd.h>
28#include <fcntl.h> 28#include <fcntl.h>
29 29
30#include <sys/utsname.h> 30#include <sys/utsname.h>
31
32#ifndef NO_SLOW_LINK_SUPPORT
33# include <sys/socket.h> 31#include <sys/socket.h>
34# include <sys/un.h> 32#include <sys/un.h>
33
34#if XFT
35# include <X11/extensions/Xrender.h>
35#endif 36#endif
36 37
37const char *const xa_names[] = 38const char *const xa_names[] =
38 { 39{
39 "TEXT", 40 "TEXT",
40 "COMPOUND_TEXT", 41 "COMPOUND_TEXT",
41 "UTF8_STRING", 42 "UTF8_STRING",
42 "MULTIPLE", 43 "MULTIPLE",
43 "TARGETS", 44 "TARGETS",
44 "TIMESTAMP", 45 "TIMESTAMP",
45 "VT_SELECTION", 46 "VT_SELECTION",
46 "INCR", 47 "INCR",
47 "WM_PROTOCOLS", 48 "WM_PROTOCOLS",
48 "WM_DELETE_WINDOW", 49 "WM_DELETE_WINDOW",
49 "CLIPBOARD", 50 "CLIPBOARD",
51 "AVERAGE_WIDTH",
52 "WEIGHT_NAME",
53 "SLANT",
54 "CHARSET_REGISTRY",
55 "CHARSET_ENCODING",
50#if ENABLE_FRILLS 56#if ENABLE_FRILLS
51 "_MOTIF_WM_HINTS", 57 "_MOTIF_WM_HINTS",
52#endif 58#endif
53#if ENABLE_EWMH 59#if ENABLE_EWMH
54 "_NET_WM_PID", 60 "_NET_WM_PID",
55 "_NET_WM_NAME", 61 "_NET_WM_NAME",
56 "_NET_WM_ICON_NAME", 62 "_NET_WM_ICON_NAME",
57 "_NET_WM_PING", 63 "_NET_WM_PING",
64 "_NET_WM_ICON",
58#endif 65#endif
59#if USE_XIM 66#if USE_XIM
60 "WM_LOCALE_NAME", 67 "WM_LOCALE_NAME",
61 "XIM_SERVERS", 68 "XIM_SERVERS",
62#endif 69#endif
63#ifdef TRANSPARENT 70#ifdef ENABLE_TRANSPARENCY
64 "_XROOTPMAP_ID", 71 "_XROOTPMAP_ID",
65 "ESETROOT_PMAP_ID", 72 "ESETROOT_PMAP_ID",
66#endif 73#endif
67#if ENABLE_XEMBED 74#if ENABLE_XEMBED
68 "_XEMBED", 75 "_XEMBED",
69 "_XEMBED_INFO", 76 "_XEMBED_INFO",
77#endif
78#if !ENABLE_MINIMAL
79 "SCREEN_RESOURCES",
80 "XDCCC_LINEAR_RGB_CORRECTION",
81 "XDCCC_LINEAR_RGB_MATRICES",
82 "WM_COLORMAP_WINDOWS",
83 "WM_STATE",
84 "cursor",
85# if USE_XIM
86 "TRANSPORT",
87 "LOCALES",
88 "_XIM_PROTOCOL",
89 "_XIM_XCONNECT",
90 "_XIM_MOREDATA",
70#endif 91# endif
71 }; 92#endif
93};
72 94
73///////////////////////////////////////////////////////////////////////////// 95/////////////////////////////////////////////////////////////////////////////
74 96
75refcounted::refcounted (const char *id) 97refcounted::refcounted (const char *id)
76{ 98{
… …
153bool 175bool
154rxvt_xim::ref_init () 176rxvt_xim::ref_init ()
155{ 177{
156 display = GET_R->display; //HACK: TODO 178 display = GET_R->display; //HACK: TODO
157 179
158 xim = XOpenIM (display->display, NULL, NULL, NULL); 180 xim = XOpenIM (display->dpy, 0, 0, 0);
159 181
160 if (!xim) 182 if (!xim)
161 return false; 183 return false;
162 184
163 XIMCallback ximcallback; 185 XIMCallback ximcallback;
164 ximcallback.client_data = (XPointer)this; 186 ximcallback.client_data = (XPointer)this;
165 ximcallback.callback = im_destroy_cb; 187 ximcallback.callback = im_destroy_cb;
166 188
167 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 189 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
168 190
169 return true; 191 return true;
170} 192}
171 193
172rxvt_xim::~rxvt_xim () 194rxvt_xim::~rxvt_xim ()
… …
177 199
178#endif 200#endif
179 201
180///////////////////////////////////////////////////////////////////////////// 202/////////////////////////////////////////////////////////////////////////////
181 203
204#if XFT
205rxvt_drawable::~rxvt_drawable ()
206{
207 if (xftdrawable)
208 XftDrawDestroy (xftdrawable);
209}
210
211rxvt_drawable::operator XftDraw *()
212{
213 if (!xftdrawable)
214 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
215
216 return xftdrawable;
217}
218#endif
219
220/////////////////////////////////////////////////////////////////////////////
221
222#if XFT
223
224// not strictly necessary as it is only used with superclass of zero_initialised
225rxvt_screen::rxvt_screen ()
226: scratch_area (0)
227{
228}
229
230rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
231{
232 // it's actually faster to re-allocate every time. don't ask me
233 // why, but its likely no big deal there are no roundtrips
234 // (I think/hope).
235 if (!scratch_area || w > scratch_w || h > scratch_h || 1/*D*/)
236 {
237 if (scratch_area)
238 {
239 XFreePixmap (dpy, scratch_area->drawable);
240 delete scratch_area;
241 }
242
243 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
244 scratch_w = w, scratch_h = h, depth);
245
246 scratch_area = new rxvt_drawable (this, pm);
247 }
248
249 return *scratch_area;
250}
251
252#endif
253
182void 254void
183rxvt_screen::set (rxvt_display *disp) 255rxvt_screen::set (rxvt_display *disp)
184{ 256{
185 display = disp; 257 display = disp;
186
187 xdisp = disp->display; 258 dpy = disp->dpy;
188 259
189 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 260 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
190 261
191 depth = DefaultDepthOfScreen (screen); 262 depth = DefaultDepthOfScreen (screen);
192 visual = DefaultVisualOfScreen (screen); 263 visual = DefaultVisualOfScreen (screen);
193 cmap = DefaultColormapOfScreen (screen); 264 cmap = DefaultColormapOfScreen (screen);
194} 265}
195 266
196void 267void
197rxvt_screen::set (rxvt_display *disp, int depth) 268rxvt_screen::select_visual (int bitdepth)
198{ 269{
199 set (disp); 270#if XFT
200
201 XVisualInfo vinfo; 271 XVisualInfo vinfo;
202 272
203 if (XMatchVisualInfo (xdisp, display->screen, depth, TrueColor, &vinfo)) 273 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
204 { 274 {
205 this->depth = depth; 275 depth = bitdepth;
206 this->visual = vinfo.visual; 276 visual = vinfo.visual;
207 this->cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 277 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
208 } 278 }
279#endif
209} 280}
210 281
211void 282void
212rxvt_screen::clear () 283rxvt_screen::clear ()
213{ 284{
285#if XFT
286 if (scratch_area)
287 {
288 XFreePixmap (dpy, scratch_area->drawable);
289 delete scratch_area;
290 }
291#endif
292
214 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 293 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
215 XFreeColormap (xdisp, cmap); 294 XFreeColormap (dpy, cmap);
216} 295}
217 296
218///////////////////////////////////////////////////////////////////////////// 297/////////////////////////////////////////////////////////////////////////////
219 298
220rxvt_display::rxvt_display (const char *id) 299rxvt_display::rxvt_display (const char *id)
221: refcounted (id) 300: refcounted (id)
222, x_ev (this, &rxvt_display::x_cb)
223, selection_owner (0) 301, selection_owner (0)
302, clipboard_owner (0)
224{ 303{
304 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
305 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
225} 306}
226 307
227XrmDatabase 308XrmDatabase
228rxvt_display::get_resources () 309rxvt_display::get_resources (bool refresh)
229{ 310{
230 char *homedir = (char *)getenv ("HOME"); 311 char *homedir = getenv ("HOME");
231 char fname[1024]; 312 char fname[1024];
232 313
233 /* 314 /*
234 * get resources using the X library function 315 * get resources using the X library function
235 */ 316 */
236 char *displayResource, *xe; 317 char *displayResource, *xe;
237 XrmDatabase database, rdb1; 318 XrmDatabase rdb1, database = 0;
238
239 database = NULL;
240 319
241 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 320 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
321 // as opposed to "standard practise", we always read in ~/.Xdefaults
242 322
243 // 6. System wide per application default file. 323 // 6. System wide per application default file.
244 324
245 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 325 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
246 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 326 if ((xe = getenv ("XAPPLRESDIR")))
247 { 327 {
248 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 328 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
249 329
250 if ((rdb1 = XrmGetFileDatabase (fname))) 330 if ((rdb1 = XrmGetFileDatabase (fname)))
251 XrmMergeDatabases (rdb1, &database); 331 XrmMergeDatabases (rdb1, &database);
… …
253 333
254 // 5. User's per application default file. 334 // 5. User's per application default file.
255 // none 335 // none
256 336
257 // 4. User's defaults file. 337 // 4. User's defaults file.
338 if (homedir)
339 {
340 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
341
342 if ((rdb1 = XrmGetFileDatabase (fname)))
343 XrmMergeDatabases (rdb1, &database);
344 }
345
258 /* Get any Xserver defaults */ 346 /* Get any Xserver defaults */
347 if (refresh)
348 {
349 // fucking xlib keeps a copy of the rm string
350 Atom actual_type;
351 int actual_format;
352 unsigned long nitems, nremaining;
353 char *val = 0;
354
355#if XLIB_ILLEGAL_ACCESS
356 if (dpy->xdefaults)
357 XFree (dpy->xdefaults);
358#endif
359
360 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
361 0L, 100000000L, False,
362 XA_STRING, &actual_type, &actual_format,
363 &nitems, &nremaining,
364 (unsigned char **)&val) == Success
365 && actual_type == XA_STRING
366 && actual_format == 8)
367 displayResource = val;
368 else
369 {
370 displayResource = 0;
371
372 if (val)
373 XFree (val);
374 }
375
376#if XLIB_ILLEGAL_ACCESS
377 dpy->xdefaults = displayResource;
378#endif
379 }
380 else
259 displayResource = XResourceManagerString (display); 381 displayResource = XResourceManagerString (dpy);
260 382
261 if (displayResource != NULL) 383 if (displayResource)
262 { 384 {
263 if ((rdb1 = XrmGetStringDatabase (displayResource))) 385 if ((rdb1 = XrmGetStringDatabase (displayResource)))
264 XrmMergeDatabases (rdb1, &database); 386 XrmMergeDatabases (rdb1, &database);
265 } 387 }
266 else if (homedir)
267 {
268 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
269 388
270 if ((rdb1 = XrmGetFileDatabase (fname))) 389#if !XLIB_ILLEGAL_ACCESS
271 XrmMergeDatabases (rdb1, &database); 390 if (refresh && displayResource)
272 } 391 XFree (displayResource);
392#endif
273 393
274 /* Get screen specific resources */ 394 /* Get screen specific resources */
275 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 395 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
276 396
277 if (displayResource != NULL) 397 if (displayResource)
278 { 398 {
279 if ((rdb1 = XrmGetStringDatabase (displayResource))) 399 if ((rdb1 = XrmGetStringDatabase (displayResource)))
280 /* Merge with screen-independent resources */ 400 /* Merge with screen-independent resources */
281 XrmMergeDatabases (rdb1, &database); 401 XrmMergeDatabases (rdb1, &database);
282 402
283 XFree (displayResource); 403 XFree (displayResource);
284 } 404 }
285 405
286 // 3. User's per host defaults file 406 // 3. User's per host defaults file
287 /* Add in XENVIRONMENT file */ 407 /* Add in XENVIRONMENT file */
288 if ((xe = (char *)getenv ("XENVIRONMENT")) 408 if ((xe = getenv ("XENVIRONMENT"))
289 && (rdb1 = XrmGetFileDatabase (xe))) 409 && (rdb1 = XrmGetFileDatabase (xe)))
290 XrmMergeDatabases (rdb1, &database); 410 XrmMergeDatabases (rdb1, &database);
291 else if (homedir) 411 else if (homedir)
292 { 412 {
293 struct utsname un; 413 struct utsname un;
… …
307bool rxvt_display::ref_init () 427bool rxvt_display::ref_init ()
308{ 428{
309#ifdef LOCAL_X_IS_UNIX 429#ifdef LOCAL_X_IS_UNIX
310 if (id[0] == ':') 430 if (id[0] == ':')
311 { 431 {
312 val = rxvt_malloc (5 + strlen (id) + 1); 432 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
433 return false;
313 strcpy (val, "unix/"); 434 strcpy (val, "unix/");
314 strcat (val, id); 435 strcat (val, id);
315 display = XOpenDisplay (val); 436 dpy = XOpenDisplay (val);
316 free (val);
317 } 437 }
318 else 438 else
319#endif 439#endif
320 display = 0; 440 dpy = 0;
321 441
322 if (!display) 442 if (!dpy)
323 display = XOpenDisplay (id); 443 dpy = XOpenDisplay (id);
324 444
325 if (!display) 445 if (!dpy)
326 return false; 446 return false;
327 447
328 screen = DefaultScreen (display); 448 screen = DefaultScreen (dpy);
329 root = DefaultRootWindow (display); 449 root = DefaultRootWindow (dpy);
330 450
331 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 451 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
332 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 452 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
333 453
334 XrmSetDatabase (display, get_resources ()); 454 XrmSetDatabase (dpy, get_resources (false));
335 455
336#ifdef POINTER_BLANK 456#ifdef POINTER_BLANK
337 XColor blackcolour; 457 XColor blackcolour;
338 blackcolour.red = 0; 458 blackcolour.red = 0;
339 blackcolour.green = 0; 459 blackcolour.green = 0;
340 blackcolour.blue = 0; 460 blackcolour.blue = 0;
341 Font f = XLoadFont (display, "fixed"); 461 Font f = XLoadFont (dpy, "fixed");
342 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 462 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
343 &blackcolour, &blackcolour); 463 &blackcolour, &blackcolour);
344 XUnloadFont (display, f); 464 XUnloadFont (dpy, f);
345#endif 465#endif
346 466
347 int fd = XConnectionNumber (display); 467 int fd = XConnectionNumber (dpy);
348 468
349#ifndef NO_SLOW_LINK_SUPPORT
350 // try to detect wether we have a local connection. 469 // try to detect whether we have a local connection.
351 // assume unix domains socket == local, everything else not 470 // assume unix domain socket == local, everything else not
352 // TODO: might want to check for inet/127.0.0.1 471 // TODO: might want to check for inet/127.0.0.1
353 is_local = 0; 472 is_local = 0;
354 sockaddr_un sa; 473 sockaddr_un sa;
355 socklen_t sl = sizeof (sa); 474 socklen_t sl = sizeof (sa);
356 475
357 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 476 if (!getsockname (fd, (sockaddr *)&sa, &sl))
358 is_local = sa.sun_family == AF_LOCAL; 477 is_local = sa.sun_family == AF_UNIX;
359#endif
360 478
479 flush_ev.start ();
361 x_ev.start (fd, EVENT_READ); 480 x_ev.start (fd, ev::READ);
362 fcntl (fd, F_SETFD, FD_CLOEXEC); 481 fcntl (fd, F_SETFD, FD_CLOEXEC);
363 482
364 XSelectInput (display, root, PropertyChangeMask); 483 XSelectInput (dpy, root, PropertyChangeMask);
365 484
366 flush (); 485 flush ();
367 486
368 return true; 487 return true;
369} 488}
370 489
371void 490void
372rxvt_display::ref_next () 491rxvt_display::ref_next ()
373{ 492{
374 // TODO: somehow check wether the database files/resources changed 493 // TODO: somehow check whether the database files/resources changed
375 // before re-loading/parsing 494 // before affording re-loading/parsing
376 XrmDestroyDatabase (XrmGetDatabase (display)); 495 XrmDestroyDatabase (XrmGetDatabase (dpy));
377 XrmSetDatabase (display, get_resources ()); 496 XrmSetDatabase (dpy, get_resources (true));
378} 497}
379 498
380rxvt_display::~rxvt_display () 499rxvt_display::~rxvt_display ()
381{ 500{
382 if (!display) 501 if (!dpy)
383 return; 502 return;
384 503
385#ifdef POINTER_BLANK 504#ifdef POINTER_BLANK
386 XFreeCursor (display, blank_cursor); 505 XFreeCursor (dpy, blank_cursor);
387#endif 506#endif
388 x_ev.stop (); 507 x_ev.stop ();
508 flush_ev.stop ();
389#ifdef USE_XIM 509#ifdef USE_XIM
390 xims.clear (); 510 xims.clear ();
391#endif 511#endif
392 XCloseDisplay (display); 512 XCloseDisplay (dpy);
393} 513}
394 514
395#ifdef USE_XIM 515#ifdef USE_XIM
396void rxvt_display::im_change_cb () 516void rxvt_display::im_change_cb ()
397{ 517{
… …
405 // registers, as xlib crashes due to a race otherwise. 525 // registers, as xlib crashes due to a race otherwise.
406 Atom actual_type, *atoms; 526 Atom actual_type, *atoms;
407 int actual_format; 527 int actual_format;
408 unsigned long nitems, bytes_after; 528 unsigned long nitems, bytes_after;
409 529
410 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 530 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
411 False, XA_ATOM, &actual_type, &actual_format, 531 False, XA_ATOM, &actual_type, &actual_format,
412 &nitems, &bytes_after, (unsigned char **)&atoms) 532 &nitems, &bytes_after, (unsigned char **)&atoms)
413 != Success ) 533 != Success)
414 return; 534 return;
415 535
416 if (actual_type == XA_ATOM && actual_format == 32) 536 if (actual_type == XA_ATOM && actual_format == 32)
417 for (int i = 0; i < nitems; i++) 537 for (int i = 0; i < nitems; i++)
418 if (XGetSelectionOwner (display, atoms[i])) 538 if (XGetSelectionOwner (dpy, atoms[i]))
419 { 539 {
420 im_change_cb (); 540 im_change_cb ();
421 break; 541 break;
422 } 542 }
423 543
424 XFree (atoms); 544 XFree (atoms);
425} 545}
426#endif 546#endif
427 547
428void rxvt_display::x_cb (io_watcher &w, short revents) 548void rxvt_display::x_cb (ev::io &w, int revents)
429{ 549{
550 flush_ev.start ();
551}
552
553void rxvt_display::flush_cb (ev::prepare &w, int revents)
554{
555 while (XEventsQueued (dpy, QueuedAfterFlush))
430 do 556 do
431 { 557 {
432 XEvent xev; 558 XEvent xev;
433 XNextEvent (display, &xev); 559 XNextEvent (dpy, &xev);
434 560
435#ifdef USE_XIM 561#ifdef USE_XIM
436 if (!XFilterEvent (&xev, None)) 562 if (!XFilterEvent (&xev, None))
437 { 563 {
438 if (xev.type == PropertyNotify 564 if (xev.type == PropertyNotify
439 && xev.xany.window == root 565 && xev.xany.window == root
440 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 566 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
441 im_change_check (); 567 im_change_check ();
442#endif 568#endif
569 if (xev.type == MappingNotify)
570 XRefreshKeyboardMapping (&xev.xmapping);
571
443 for (int i = xw.size (); i--; ) 572 for (int i = xw.size (); i--; )
444 { 573 {
445 if (!xw[i]) 574 if (!xw[i])
446 xw.erase_unordered (i); 575 xw.erase_unordered (i);
447 else if (xw[i]->window == xev.xany.window) 576 else if (xw[i]->window == xev.xany.window)
448 xw[i]->call (xev); 577 xw[i]->call (xev);
449 } 578 }
450#ifdef USE_XIM 579#ifdef USE_XIM
451 } 580 }
452#endif 581#endif
453 } 582 }
454 while (XEventsQueued (display, QueuedAlready)); 583 while (XEventsQueued (dpy, QueuedAlready));
455 584
456 XFlush (display); 585 w.stop ();
457}
458
459void rxvt_display::flush ()
460{
461 if (XEventsQueued (display, QueuedAlready))
462 x_cb (x_ev, EVENT_READ);
463
464 XFlush (display);
465} 586}
466 587
467void rxvt_display::reg (xevent_watcher *w) 588void rxvt_display::reg (xevent_watcher *w)
468{ 589{
590 if (!w->active)
591 {
469 xw.push_back (w); 592 xw.push_back (w);
470 w->active = xw.size (); 593 w->active = xw.size ();
594 }
471} 595}
472 596
473void rxvt_display::unreg (xevent_watcher *w) 597void rxvt_display::unreg (xevent_watcher *w)
474{ 598{
475 if (w->active) 599 if (w->active)
600 {
476 xw[w->active - 1] = 0; 601 xw[w->active - 1] = 0;
602 w->active = 0;
603 }
477} 604}
478 605
479void rxvt_display::set_selection_owner (rxvt_term *owner) 606void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
480{ 607{
608 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
609
481 if (selection_owner && selection_owner != owner) 610 if (cur_owner && cur_owner != owner)
482 selection_owner->selection_clear (); 611 {
612 rxvt_term *term = cur_owner;
613 term->selection_clear (clipboard);
614 term->flush ();
615 }
483 616
484 selection_owner = owner; 617 cur_owner = owner;
485} 618}
486 619
487#ifdef USE_XIM 620#ifdef USE_XIM
621
488void rxvt_display::reg (im_watcher *w) 622void rxvt_display::reg (im_watcher *w)
489{ 623{
490 imw.push_back (w); 624 imw.push_back (w);
491} 625}
492 626
… …
501 int l, m; 635 int l, m;
502 636
503 l = strlen (locale); 637 l = strlen (locale);
504 m = strlen (modifiers); 638 m = strlen (modifiers);
505 639
506 if (!(id = (char *)malloc (l + m + 2))) 640 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
507 return 0; 641 return 0;
508 642
509 memcpy (id, locale, l); id[l] = '\n'; 643 memcpy (id, locale, l); id[l] = '\n';
510 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 644 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
511 645
512 rxvt_xim *xim = xims.get (id); 646 rxvt_xim *xim = xims.get (id);
513 647
514 free (id);
515
516 return xim; 648 return xim;
517} 649}
518 650
519void rxvt_display::put_xim (rxvt_xim *xim) 651void rxvt_display::put_xim (rxvt_xim *xim)
520{ 652{
521#if XLIB_IS_RACEFREE 653# if XLIB_IS_RACEFREE
522 xims.put (xim); 654 xims.put (xim);
523#endif 655# endif
524} 656}
657
525#endif 658#endif
526 659
527Atom rxvt_display::atom (const char *name) 660Atom rxvt_display::atom (const char *name)
528{ 661{
529 return XInternAtom (display, name, False); 662 return XInternAtom (dpy, name, False);
530} 663}
531 664
532///////////////////////////////////////////////////////////////////////////// 665/////////////////////////////////////////////////////////////////////////////
533 666
534template class refcache<rxvt_display>; 667template class refcache<rxvt_display>;
535refcache<rxvt_display> displays; 668refcache<rxvt_display> displays;
536 669
537///////////////////////////////////////////////////////////////////////////// 670/////////////////////////////////////////////////////////////////////////////
538 671//
672
673static unsigned int
674insert_component (unsigned int value, unsigned int mask, unsigned int shift)
675{
676 return (value * (mask + 1) >> 16) << shift;
677}
678
539bool 679bool
540rxvt_color::set (rxvt_screen *screen, Pixel p) 680rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
541{ 681{
682 //TODO: only supports 24 bit
683 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
684
542#if XFT 685#if XFT
543 XColor xc; 686 XRenderPictFormat *format;
544 687
545 xc.pixel = p; 688 // FUCKING Xft gets it wrong, of course, so work around it.
546 if (!XQueryColor (screen->xdisp, screen->cmap, &xc)) 689 // Transparency users should eat shit and die, and then
547 return false; 690 // XRenderQueryPictIndexValues themselves plenty.
691 if ((screen->visual->c_class == TrueColor)
692 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
693 {
694 // the fun lies in doing everything manually...
695 c.color.red = color.r;
696 c.color.green = color.g;
697 c.color.blue = color.b;
698 c.color.alpha = alpha;
548 699
700 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
701 | insert_component (color.g, format->direct.greenMask, format->direct.green)
702 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
703 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
704
705 return true;
706 }
707 else
708 {
549 XRenderColor d; 709 XRenderColor d;
550 710
551 d.red = xc.red; 711 d.red = color.r;
552 d.green = xc.green; 712 d.green = color.g;
553 d.blue = xc.blue; 713 d.blue = color.b;
554 d.alpha = 0xffff; 714 d.alpha = alpha;
555 715
556 return 716 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
557 XftColorAllocValue (screen->xdisp, 717 }
558 screen->visual,
559 screen->cmap,
560 &d, &c);
561#else 718#else
562 this->p = p; 719 c.red = color.r;
563#endif 720 c.green = color.g;
721 c.blue = color.b;
564 722
723 if (screen->visual->c_class == TrueColor)
724 {
725 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
726 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
727 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
728
729 return true;
730 }
731 else if (XAllocColor (screen->dpy, screen->cmap, &c))
565 return true; 732 return true;
733 else
734 c.pixel = (color.r + color.g + color.b) > 128*3
735 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
736 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
737#endif
738
739 return false;
566} 740}
567 741
568bool 742bool
569rxvt_color::set (rxvt_screen *screen, const char *name) 743rxvt_color::set (rxvt_screen *screen, const char *name)
570{ 744{
745 rgba c;
746 char eos;
747 int skip;
748
749 c.a = rgba::MAX_CC;
750
751 // parse the nonstandard "[alphapercent]" prefix
752 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
753 {
754 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
755 name += skip;
756 }
757
758 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
759 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
760 {
761 XColor xc;
762
763 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
764 {
765 c.r = xc.red;
766 c.g = xc.green;
767 c.b = xc.blue;
768 }
769 else
770 {
771 c.r = 0xffff;
772 c.g = 0x6969;
773 c.b = 0xb4b4;
774
775 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
776 }
777 }
778
779 return set (screen, c);
780}
781
782bool
783rxvt_color::set (rxvt_screen *screen, const rgba &color)
784{
785 bool got = alloc (screen, color);
786
787#if !ENABLE_MINIMAL
788 int cmap_size = screen->visual->map_entries;
789
790 if (!got
791 && screen->visual->c_class == PseudoColor
792 && cmap_size < 4096)
793 {
794 XColor *colors = new XColor [screen->visual->map_entries];
795
796 for (int i = 0; i < cmap_size; i++)
797 colors [i].pixel = i;
798
799 // many kilobytes transfer per colour, but pseudocolor isn't worth
800 // many extra optimisations.
801 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
802
803 int diff = 0x7fffffffUL;
804 XColor *best = colors;
805
806 for (int i = 0; i < cmap_size; i++)
807 {
808 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
809 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
810 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
811
812 if (d < diff)
813 {
814 diff = d;
815 best = colors + i;
816 }
817 }
818
819 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
820 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
821
822 got = alloc (screen, rgba (best->red, best->green, best->blue));
823
824 delete [] colors;
825 }
826#endif
827
828 return got;
829}
830
831void
832rxvt_color::get (rgba &color)
833{
571#if XFT 834#if XFT
572 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c); 835 color.r = c.color.red;
836 color.g = c.color.green;
837 color.b = c.color.blue;
838 color.a = c.color.alpha;
573#else 839#else
574 XColor xc; 840 color.r = c.red;
575 841 color.g = c.green;
576 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 842 color.b = c.blue;
577 return set (screen, xc.red, xc.green, xc.blue); 843 color.a = rgba::MAX_CC;
578
579 return false;
580#endif 844#endif
581} 845}
582 846
583bool
584rxvt_color::set (rxvt_screen *screen, unsigned short cr, unsigned short cg, unsigned short cb)
585{
586 XColor xc;
587
588 xc.red = cr;
589 xc.green = cg;
590 xc.blue = cb;
591 xc.flags = DoRed | DoGreen | DoBlue;
592
593 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
594 return set (screen, xc.pixel);
595
596 return false;
597}
598
599void 847void
600rxvt_color::get (rxvt_screen *screen, unsigned short &cr, unsigned short &cg, unsigned short &cb) 848rxvt_color::get (XColor &color)
601{ 849{
850 rgba c;
851 get (c);
852
853 color.red = c.r;
854 color.green = c.g;
855 color.blue = c.b;
856 color.pixel = (Pixel)*this;
857}
858
859void
860rxvt_color::free (rxvt_screen *screen)
861{
862 if (screen->visual->c_class == TrueColor)
863 return; // nothing to do
864
602#if XFT 865#if XFT
603 cr = c.color.red; 866 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
604 cg = c.color.green;
605 cb = c.color.blue;
606#else 867#else
607 XColor c;
608
609 c.pixel = p;
610 XQueryColor (screen->xdisp, screen->cmap, &c);
611
612 cr = c.red;
613 cg = c.green;
614 cb = c.blue;
615#endif
616}
617
618void
619rxvt_color::free (rxvt_screen *screen)
620{
621#if XFT
622 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
623#else
624 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 868 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
625#endif 869#endif
626} 870}
627 871
628rxvt_color 872void
629rxvt_color::fade (rxvt_screen *screen, int percent) 873rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
630{ 874{
631 percent = 100 - percent; 875 rgba c;
876 get (c);
632 877
633 unsigned short cr, cg, cb; 878 result.set (
634 rxvt_color faded;
635
636 get (screen, cr, cg, cb);
637
638 faded.set (
639 screen, 879 screen,
640 cr * percent / 100, 880 rgba (
641 cg * percent / 100, 881 lerp (c.r, to.r, percent),
642 cb * percent / 100 882 lerp (c.g, to.g, percent),
883 lerp (c.b, to.b, percent),
884 lerp (c.a, to.a, percent)
885 )
643 ); 886 );
644
645 return faded;
646} 887}
647 888
648#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
649
650rxvt_color
651rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
652{
653 percent = 100 - percent;
654
655 unsigned short cr, cg, cb;
656 unsigned short fcr, fcg, fcb;
657 rxvt_color faded;
658
659 get (screen, cr, cg, cb);
660 fadeto.get (screen, fcr, fcg, fcb);
661
662 faded.set (
663 screen,
664 LERP (cr, fcr, percent),
665 LERP (cg, fcg, percent),
666 LERP (cb, fcb, percent)
667 );
668
669 return faded;
670}
671

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