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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.25 by root, Wed Jan 25 02:42:06 2006 UTC vs.
Revision 1.113 by sf-exg, Fri Jan 14 11:09:54 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 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
26 26
27#include <unistd.h> 27#include <unistd.h>
28#include <fcntl.h> 28#include <fcntl.h>
29 29
30#include <sys/utsname.h> 30#include <sys/utsname.h>
31
32#ifndef NO_SLOW_LINK_SUPPORT
33# include <sys/socket.h> 31#include <sys/socket.h>
34# include <sys/un.h> 32#include <sys/un.h>
35#endif
36 33
34#if XFT
35# include <X11/extensions/Xrender.h>
36#endif
37
37const char *const xa_names[] = 38static const char *const xa_names[] =
38 { 39{
39 "TEXT", 40 "TEXT",
40 "COMPOUND_TEXT", 41 "COMPOUND_TEXT",
41 "UTF8_STRING", 42 "UTF8_STRING",
42 "MULTIPLE", 43 "MULTIPLE",
43 "TARGETS", 44 "TARGETS",
44 "TIMESTAMP", 45 "TIMESTAMP",
45 "VT_SELECTION", 46 "VT_SELECTION",
46 "INCR", 47 "INCR",
47 "WM_PROTOCOLS", 48 "WM_PROTOCOLS",
48 "WM_DELETE_WINDOW", 49 "WM_DELETE_WINDOW",
49 "CLIPBOARD", 50 "CLIPBOARD",
51 "AVERAGE_WIDTH",
52 "WEIGHT_NAME",
53 "SLANT",
54 "CHARSET_REGISTRY",
55 "CHARSET_ENCODING",
50#if ENABLE_FRILLS 56#if ENABLE_FRILLS
51 "_MOTIF_WM_HINTS", 57 "_MOTIF_WM_HINTS",
52#endif 58#endif
53#if ENABLE_EWMH 59#if ENABLE_EWMH
54 "_NET_WM_PID", 60 "_NET_WM_PID",
55 "_NET_WM_NAME", 61 "_NET_WM_NAME",
56 "_NET_WM_ICON_NAME", 62 "_NET_WM_ICON_NAME",
57 "_NET_WM_PING", 63 "_NET_WM_PING",
64 "_NET_WM_ICON",
58#endif 65#endif
59#if USE_XIM 66#if USE_XIM
60 "WM_LOCALE_NAME", 67 "WM_LOCALE_NAME",
61 "XIM_SERVERS", 68 "XIM_SERVERS",
62#endif 69#endif
63#ifdef TRANSPARENT 70#ifdef ENABLE_TRANSPARENCY
64 "_XROOTPMAP_ID", 71 "_XROOTPMAP_ID",
65 "ESETROOT_PMAP_ID", 72 "ESETROOT_PMAP_ID",
66#endif 73#endif
67#if ENABLE_XEMBED 74#if ENABLE_XEMBED
68 "_XEMBED", 75 "_XEMBED",
69 "_XEMBED_INFO", 76 "_XEMBED_INFO",
77#endif
78#if !ENABLE_MINIMAL
79 "SCREEN_RESOURCES",
80 "XDCCC_LINEAR_RGB_CORRECTION",
81 "XDCCC_LINEAR_RGB_MATRICES",
82 "WM_COLORMAP_WINDOWS",
83 "WM_STATE",
84 "cursor",
85# if USE_XIM
86 "TRANSPORT",
87 "LOCALES",
88 "_XIM_PROTOCOL",
89 "_XIM_XCONNECT",
90 "_XIM_MOREDATA",
70#endif 91# endif
71 }; 92#endif
93};
72 94
73///////////////////////////////////////////////////////////////////////////// 95/////////////////////////////////////////////////////////////////////////////
74 96
75refcounted::refcounted (const char *id) 97refcounted::refcounted (const char *id)
76{ 98{
… …
153bool 175bool
154rxvt_xim::ref_init () 176rxvt_xim::ref_init ()
155{ 177{
156 display = GET_R->display; //HACK: TODO 178 display = GET_R->display; //HACK: TODO
157 179
158 xim = XOpenIM (display->display, NULL, NULL, NULL); 180 xim = XOpenIM (display->dpy, 0, 0, 0);
159 181
160 if (!xim) 182 if (!xim)
161 return false; 183 return false;
162 184
163 XIMCallback ximcallback; 185 XIMCallback ximcallback;
164 ximcallback.client_data = (XPointer)this; 186 ximcallback.client_data = (XPointer)this;
165 ximcallback.callback = im_destroy_cb; 187 ximcallback.callback = im_destroy_cb;
166 188
167 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 189 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
168 190
169 return true; 191 return true;
170} 192}
171 193
172rxvt_xim::~rxvt_xim () 194rxvt_xim::~rxvt_xim ()
… …
177 199
178#endif 200#endif
179 201
180///////////////////////////////////////////////////////////////////////////// 202/////////////////////////////////////////////////////////////////////////////
181 203
204#if XFT
205rxvt_drawable::~rxvt_drawable ()
206{
207 if (xftdrawable)
208 XftDrawDestroy (xftdrawable);
209}
210
211rxvt_drawable::operator XftDraw *()
212{
213 if (!xftdrawable)
214 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
215
216 return xftdrawable;
217}
218#endif
219
220/////////////////////////////////////////////////////////////////////////////
221
222#if XFT
223
224// not strictly necessary as it is only used with superclass of zero_initialised
225rxvt_screen::rxvt_screen ()
226: scratch_area (0)
227{
228}
229
230rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
231{
232 if (!scratch_area || w > scratch_w || h > scratch_h)
233 {
234 if (scratch_area)
235 {
236 XFreePixmap (dpy, scratch_area->drawable);
237 delete scratch_area;
238 }
239
240 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
241 scratch_w = w, scratch_h = h, depth);
242
243 scratch_area = new rxvt_drawable (this, pm);
244 }
245
246 return *scratch_area;
247}
248
249#endif
250
251void
252rxvt_screen::set (rxvt_display *disp)
253{
254 display = disp;
255 dpy = disp->dpy;
256
257 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
258
259 depth = DefaultDepthOfScreen (screen);
260 visual = DefaultVisualOfScreen (screen);
261 cmap = DefaultColormapOfScreen (screen);
262}
263
264void
265rxvt_screen::select_visual (int bitdepth)
266{
267#if XFT
268 XVisualInfo vinfo;
269
270 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
271 {
272 depth = bitdepth;
273 visual = vinfo.visual;
274 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
275 }
276#endif
277}
278
279void
280rxvt_screen::clear ()
281{
282#if XFT
283 if (scratch_area)
284 {
285 XFreePixmap (dpy, scratch_area->drawable);
286 delete scratch_area;
287 }
288#endif
289
290 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
291 XFreeColormap (dpy, cmap);
292}
293
294/////////////////////////////////////////////////////////////////////////////
295
182rxvt_display::rxvt_display (const char *id) 296rxvt_display::rxvt_display (const char *id)
183: refcounted (id) 297: refcounted (id)
184, x_ev (this, &rxvt_display::x_cb)
185, selection_owner (0) 298, selection_owner (0)
299, clipboard_owner (0)
186{ 300{
301 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
302 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
187} 303}
188 304
189XrmDatabase 305XrmDatabase
190rxvt_display::get_resources () 306rxvt_display::get_resources (bool refresh)
191{ 307{
192 char *homedir = (char *)getenv ("HOME"); 308 char *homedir = getenv ("HOME");
193 char fname[1024]; 309 char fname[1024];
194 310
195 /* 311 /*
196 * get resources using the X library function 312 * get resources using the X library function
197 */ 313 */
198 char *displayResource, *xe; 314 char *displayResource, *xe;
199 XrmDatabase database, rdb1; 315 XrmDatabase rdb1, database = 0;
200
201 database = NULL;
202 316
203 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 317 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
318 // as opposed to "standard practise", we always read in ~/.Xdefaults
204 319
205 // 6. System wide per application default file. 320 // 6. System wide per application default file.
206 321
207 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
208 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 323 if ((xe = getenv ("XAPPLRESDIR")))
209 { 324 {
210 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 325 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
211 326
212 if ((rdb1 = XrmGetFileDatabase (fname))) 327 if ((rdb1 = XrmGetFileDatabase (fname)))
213 XrmMergeDatabases (rdb1, &database); 328 XrmMergeDatabases (rdb1, &database);
… …
215 330
216 // 5. User's per application default file. 331 // 5. User's per application default file.
217 // none 332 // none
218 333
219 // 4. User's defaults file. 334 // 4. User's defaults file.
335 if (homedir)
336 {
337 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
338
339 if ((rdb1 = XrmGetFileDatabase (fname)))
340 XrmMergeDatabases (rdb1, &database);
341 }
342
220 /* Get any Xserver defaults */ 343 /* Get any Xserver defaults */
344 if (refresh)
345 {
346 // fucking xlib keeps a copy of the rm string
347 Atom actual_type;
348 int actual_format;
349 unsigned long nitems, nremaining;
350 char *val = 0;
351
352#if XLIB_ILLEGAL_ACCESS
353 if (dpy->xdefaults)
354 XFree (dpy->xdefaults);
355#endif
356
357 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
358 0L, 100000000L, False,
359 XA_STRING, &actual_type, &actual_format,
360 &nitems, &nremaining,
361 (unsigned char **)&val) == Success
362 && actual_type == XA_STRING
363 && actual_format == 8)
364 displayResource = val;
365 else
366 {
367 displayResource = 0;
368
369 if (val)
370 XFree (val);
371 }
372
373#if XLIB_ILLEGAL_ACCESS
374 dpy->xdefaults = displayResource;
375#endif
376 }
377 else
221 displayResource = XResourceManagerString (display); 378 displayResource = XResourceManagerString (dpy);
222 379
223 if (displayResource != NULL) 380 if (displayResource)
224 { 381 {
225 if ((rdb1 = XrmGetStringDatabase (displayResource))) 382 if ((rdb1 = XrmGetStringDatabase (displayResource)))
226 XrmMergeDatabases (rdb1, &database); 383 XrmMergeDatabases (rdb1, &database);
227 } 384 }
228 else if (homedir)
229 {
230 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
231 385
232 if ((rdb1 = XrmGetFileDatabase (fname))) 386#if !XLIB_ILLEGAL_ACCESS
233 XrmMergeDatabases (rdb1, &database); 387 if (refresh && displayResource)
234 } 388 XFree (displayResource);
389#endif
235 390
236 /* Get screen specific resources */ 391 /* Get screen specific resources */
237 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 392 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
238 393
239 if (displayResource != NULL) 394 if (displayResource)
240 { 395 {
241 if ((rdb1 = XrmGetStringDatabase (displayResource))) 396 if ((rdb1 = XrmGetStringDatabase (displayResource)))
242 /* Merge with screen-independent resources */ 397 /* Merge with screen-independent resources */
243 XrmMergeDatabases (rdb1, &database); 398 XrmMergeDatabases (rdb1, &database);
244 399
245 XFree (displayResource); 400 XFree (displayResource);
246 } 401 }
247 402
248 // 3. User's per host defaults file 403 // 3. User's per host defaults file
249 /* Add in XENVIRONMENT file */ 404 /* Add in XENVIRONMENT file */
250 if ((xe = (char *)getenv ("XENVIRONMENT")) 405 if ((xe = getenv ("XENVIRONMENT"))
251 && (rdb1 = XrmGetFileDatabase (xe))) 406 && (rdb1 = XrmGetFileDatabase (xe)))
252 XrmMergeDatabases (rdb1, &database); 407 XrmMergeDatabases (rdb1, &database);
253 else if (homedir) 408 else if (homedir)
254 { 409 {
255 struct utsname un; 410 struct utsname un;
… …
269bool rxvt_display::ref_init () 424bool rxvt_display::ref_init ()
270{ 425{
271#ifdef LOCAL_X_IS_UNIX 426#ifdef LOCAL_X_IS_UNIX
272 if (id[0] == ':') 427 if (id[0] == ':')
273 { 428 {
274 val = rxvt_malloc (5 + strlen (id) + 1); 429 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
430 return false;
275 strcpy (val, "unix/"); 431 strcpy (val, "unix/");
276 strcat (val, id); 432 strcat (val, id);
277 display = XOpenDisplay (val); 433 dpy = XOpenDisplay (val);
278 free (val);
279 } 434 }
280 else 435 else
281#endif 436#endif
282 display = 0; 437 dpy = 0;
283 438
284 if (!display) 439 if (!dpy)
285 display = XOpenDisplay (id); 440 dpy = XOpenDisplay (id);
286 441
287 if (!display) 442 if (!dpy)
288 return false; 443 return false;
289 444
290 screen = DefaultScreen (display); 445 screen = DefaultScreen (dpy);
291 root = DefaultRootWindow (display); 446 root = DefaultRootWindow (dpy);
292 visual = DefaultVisual (display, screen);
293 cmap = DefaultColormap (display, screen);
294 depth = DefaultDepth (display, screen);
295 447
296 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 448 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
297 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 449 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
298 450
299 XrmSetDatabase (display, get_resources ()); 451 XrmSetDatabase (dpy, get_resources (false));
300 452
301#ifdef POINTER_BLANK 453#ifdef POINTER_BLANK
302 XColor blackcolour; 454 XColor blackcolour;
303 blackcolour.red = 0; 455 blackcolour.red = 0;
304 blackcolour.green = 0; 456 blackcolour.green = 0;
305 blackcolour.blue = 0; 457 blackcolour.blue = 0;
306 Font f = XLoadFont (display, "fixed"); 458 Font f = XLoadFont (dpy, "fixed");
307 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 459 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
308 &blackcolour, &blackcolour); 460 &blackcolour, &blackcolour);
309 XUnloadFont (display, f); 461 XUnloadFont (dpy, f);
310#endif 462#endif
311 463
312#ifdef PREFER_24BIT
313 /*
314 * If depth is not 24, look for a 24bit visual.
315 */
316 if (depth != 24)
317 {
318 XVisualInfo vinfo;
319
320 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
321 {
322 depth = 24;
323 visual = vinfo.visual;
324 cmap = XCreateColormap (display,
325 RootWindow (display, screen),
326 visual, AllocNone);
327 }
328 }
329#endif
330
331 int fd = XConnectionNumber (display); 464 int fd = XConnectionNumber (dpy);
332 465
333#ifndef NO_SLOW_LINK_SUPPORT
334 // try to detect wether we have a local connection. 466 // try to detect whether we have a local connection.
335 // assume unix domains socket == local, everything else not 467 // assume unix domain socket == local, everything else not
336 // TODO: might want to check for inet/127.0.0.1 468 // TODO: might want to check for inet/127.0.0.1
337 is_local = 0; 469 is_local = 0;
338 sockaddr_un sa; 470 sockaddr_un sa;
339 socklen_t sl = sizeof (sa); 471 socklen_t sl = sizeof (sa);
340 472
341 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 473 if (!getsockname (fd, (sockaddr *)&sa, &sl))
342 is_local = sa.sun_family == AF_LOCAL; 474 is_local = sa.sun_family == AF_UNIX;
343#endif
344 475
476 flush_ev.start ();
345 x_ev.start (fd, EVENT_READ); 477 x_ev.start (fd, ev::READ);
346 fcntl (fd, F_SETFD, FD_CLOEXEC); 478 fcntl (fd, F_SETFD, FD_CLOEXEC);
347 479
348 XSelectInput (display, root, PropertyChangeMask); 480 XSelectInput (dpy, root, PropertyChangeMask);
349 481
350 flush (); 482 flush ();
351 483
352 return true; 484 return true;
353} 485}
354 486
355void 487void
356rxvt_display::ref_next () 488rxvt_display::ref_next ()
357{ 489{
358 // TODO: somehow check wether the database files/resources changed 490 // TODO: somehow check whether the database files/resources changed
359 // before re-loading/parsing 491 // before affording re-loading/parsing
360 XrmDestroyDatabase (XrmGetDatabase (display)); 492 XrmDestroyDatabase (XrmGetDatabase (dpy));
361 XrmSetDatabase (display, get_resources ()); 493 XrmSetDatabase (dpy, get_resources (true));
362} 494}
363 495
364rxvt_display::~rxvt_display () 496rxvt_display::~rxvt_display ()
365{ 497{
366 if (!display) 498 if (!dpy)
367 return; 499 return;
368 500
369#ifdef POINTER_BLANK 501#ifdef POINTER_BLANK
370 XFreeCursor (display, blank_cursor); 502 XFreeCursor (dpy, blank_cursor);
371#endif 503#endif
372 x_ev.stop (); 504 x_ev.stop ();
505 flush_ev.stop ();
373#ifdef USE_XIM 506#ifdef USE_XIM
374 xims.clear (); 507 xims.clear ();
375#endif 508#endif
509 XrmDestroyDatabase (XrmGetDatabase (dpy));
376 XCloseDisplay (display); 510 XCloseDisplay (dpy);
377} 511}
378 512
379#ifdef USE_XIM 513#ifdef USE_XIM
380void rxvt_display::im_change_cb () 514void rxvt_display::im_change_cb ()
381{ 515{
… …
389 // registers, as xlib crashes due to a race otherwise. 523 // registers, as xlib crashes due to a race otherwise.
390 Atom actual_type, *atoms; 524 Atom actual_type, *atoms;
391 int actual_format; 525 int actual_format;
392 unsigned long nitems, bytes_after; 526 unsigned long nitems, bytes_after;
393 527
394 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 528 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
395 False, XA_ATOM, &actual_type, &actual_format, 529 False, XA_ATOM, &actual_type, &actual_format,
396 &nitems, &bytes_after, (unsigned char **)&atoms) 530 &nitems, &bytes_after, (unsigned char **)&atoms)
397 != Success ) 531 != Success)
398 return; 532 return;
399 533
400 if (actual_type == XA_ATOM && actual_format == 32) 534 if (actual_type == XA_ATOM && actual_format == 32)
401 for (int i = 0; i < nitems; i++) 535 for (int i = 0; i < nitems; i++)
402 if (XGetSelectionOwner (display, atoms[i])) 536 if (XGetSelectionOwner (dpy, atoms[i]))
403 { 537 {
404 im_change_cb (); 538 im_change_cb ();
405 break; 539 break;
406 } 540 }
407 541
408 XFree (atoms); 542 XFree (atoms);
409} 543}
410#endif 544#endif
411 545
412void rxvt_display::x_cb (io_watcher &w, short revents) 546void rxvt_display::x_cb (ev::io &w, int revents)
413{ 547{
548 flush_ev.start ();
549}
550
551void rxvt_display::flush_cb (ev::prepare &w, int revents)
552{
553 while (XEventsQueued (dpy, QueuedAfterFlush))
414 do 554 do
415 { 555 {
416 XEvent xev; 556 XEvent xev;
417 XNextEvent (display, &xev); 557 XNextEvent (dpy, &xev);
418 558
419#ifdef USE_XIM 559#ifdef USE_XIM
420 if (!XFilterEvent (&xev, None)) 560 if (!XFilterEvent (&xev, None))
421 { 561 {
422 if (xev.type == PropertyNotify 562 if (xev.type == PropertyNotify
423 && xev.xany.window == root 563 && xev.xany.window == root
424 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 564 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
425 im_change_check (); 565 im_change_check ();
426#endif 566#endif
567 if (xev.type == MappingNotify)
568 XRefreshKeyboardMapping (&xev.xmapping);
569
427 for (int i = xw.size (); i--; ) 570 for (int i = xw.size (); i--; )
428 { 571 {
429 if (!xw[i]) 572 if (!xw[i])
430 xw.erase_unordered (i); 573 xw.erase_unordered (i);
431 else if (xw[i]->window == xev.xany.window) 574 else if (xw[i]->window == xev.xany.window)
432 xw[i]->call (xev); 575 xw[i]->call (xev);
433 } 576 }
434#ifdef USE_XIM 577#ifdef USE_XIM
435 } 578 }
436#endif 579#endif
437 } 580 }
438 while (XEventsQueued (display, QueuedAlready)); 581 while (XEventsQueued (dpy, QueuedAlready));
439 582
440 XFlush (display); 583 w.stop ();
441}
442
443void rxvt_display::flush ()
444{
445 if (XEventsQueued (display, QueuedAlready))
446 x_cb (x_ev, EVENT_READ);
447
448 XFlush (display);
449} 584}
450 585
451void rxvt_display::reg (xevent_watcher *w) 586void rxvt_display::reg (xevent_watcher *w)
452{ 587{
588 if (!w->active)
589 {
453 xw.push_back (w); 590 xw.push_back (w);
454 w->active = xw.size (); 591 w->active = xw.size ();
592 }
455} 593}
456 594
457void rxvt_display::unreg (xevent_watcher *w) 595void rxvt_display::unreg (xevent_watcher *w)
458{ 596{
459 if (w->active) 597 if (w->active)
598 {
460 xw[w->active - 1] = 0; 599 xw[w->active - 1] = 0;
600 w->active = 0;
601 }
461} 602}
462 603
463void rxvt_display::set_selection_owner (rxvt_term *owner) 604void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
464{ 605{
606 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
607
465 if (selection_owner && selection_owner != owner) 608 if (cur_owner && cur_owner != owner)
466 selection_owner->selection_clear (); 609 {
610 rxvt_term *term = cur_owner;
611 term->selection_clear (clipboard);
612 term->flush ();
613 }
467 614
468 selection_owner = owner; 615 cur_owner = owner;
469} 616}
470 617
471#ifdef USE_XIM 618#ifdef USE_XIM
619
472void rxvt_display::reg (im_watcher *w) 620void rxvt_display::reg (im_watcher *w)
473{ 621{
474 imw.push_back (w); 622 imw.push_back (w);
475} 623}
476 624
… …
485 int l, m; 633 int l, m;
486 634
487 l = strlen (locale); 635 l = strlen (locale);
488 m = strlen (modifiers); 636 m = strlen (modifiers);
489 637
490 if (!(id = (char *)malloc (l + m + 2))) 638 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
491 return 0; 639 return 0;
492 640
493 memcpy (id, locale, l); id[l] = '\n'; 641 memcpy (id, locale, l); id[l] = '\n';
494 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 642 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
495 643
496 rxvt_xim *xim = xims.get (id); 644 rxvt_xim *xim = xims.get (id);
497 645
498 free (id);
499
500 return xim; 646 return xim;
501} 647}
502 648
503void rxvt_display::put_xim (rxvt_xim *xim) 649void rxvt_display::put_xim (rxvt_xim *xim)
504{ 650{
505#if XLIB_IS_RACEFREE 651# if XLIB_IS_RACEFREE
506 xims.put (xim); 652 xims.put (xim);
507#endif 653# endif
508} 654}
655
509#endif 656#endif
510 657
511Atom rxvt_display::atom (const char *name) 658Atom rxvt_display::atom (const char *name)
512{ 659{
513 return XInternAtom (display, name, False); 660 return XInternAtom (dpy, name, False);
514} 661}
515 662
516///////////////////////////////////////////////////////////////////////////// 663/////////////////////////////////////////////////////////////////////////////
517 664
518template class refcache<rxvt_display>; 665template class refcache<rxvt_display>;
519refcache<rxvt_display> displays; 666refcache<rxvt_display> displays;
520 667
521///////////////////////////////////////////////////////////////////////////// 668/////////////////////////////////////////////////////////////////////////////
522 669//
670
671static unsigned int
672insert_component (unsigned int value, unsigned int mask, unsigned int shift)
673{
674 return (value * (mask + 1) >> 16) << shift;
675}
676
523bool 677bool
524rxvt_color::set (rxvt_display *display, Pixel p) 678rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
525{ 679{
680 //TODO: only supports 24 bit
681 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
682
526#if XFT 683#if XFT
527 XColor xc; 684 XRenderPictFormat *format;
528 685
529 xc.pixel = p; 686 // FUCKING Xft gets it wrong, of course, so work around it.
530 if (!XQueryColor (display->display, display->cmap, &xc)) 687 // Transparency users should eat shit and die, and then
531 return false; 688 // XRenderQueryPictIndexValues themselves plenty.
689 if ((screen->visual->c_class == TrueColor)
690 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
691 {
692 // the fun lies in doing everything manually...
693 c.color.red = color.r;
694 c.color.green = color.g;
695 c.color.blue = color.b;
696 c.color.alpha = alpha;
532 697
698 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
699 | insert_component (color.g, format->direct.greenMask, format->direct.green)
700 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
701 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
702
703 return true;
704 }
705 else
706 {
533 XRenderColor d; 707 XRenderColor d;
534 708
535 d.red = xc.red; 709 d.red = color.r;
536 d.green = xc.green; 710 d.green = color.g;
537 d.blue = xc.blue; 711 d.blue = color.b;
538 d.alpha = 0xffff; 712 d.alpha = alpha;
539 713
540 return 714 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
541 XftColorAllocValue (display->display, 715 }
542 display->visual,
543 display->cmap,
544 &d, &c);
545#else 716#else
546 this->p = p; 717 c.red = color.r;
547#endif 718 c.green = color.g;
719 c.blue = color.b;
548 720
721 if (screen->visual->c_class == TrueColor)
722 {
723 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
724 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
725 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
726
727 return true;
728 }
729 else if (XAllocColor (screen->dpy, screen->cmap, &c))
549 return true; 730 return true;
731 else
732 c.pixel = (color.r + color.g + color.b) > 128*3
733 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
734 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
735#endif
736
737 return false;
550} 738}
551 739
552bool 740bool
553rxvt_color::set (rxvt_display *display, const char *name) 741rxvt_color::set (rxvt_screen *screen, const char *name)
742{
743 rgba c;
744 char eos;
745 int skip;
746
747 c.a = rgba::MAX_CC;
748
749 // parse the nonstandard "[alphapercent]" prefix
750 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
751 {
752 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
753 name += skip;
754 }
755
756 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
757 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
758 {
759 XColor xc;
760
761 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
762 {
763 c.r = xc.red;
764 c.g = xc.green;
765 c.b = xc.blue;
766 }
767 else
768 {
769 c.r = 0xffff;
770 c.g = 0x6969;
771 c.b = 0xb4b4;
772
773 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
774 }
775 }
776
777 return set (screen, c);
778}
779
780bool
781rxvt_color::set (rxvt_screen *screen, const rgba &color)
782{
783 bool got = alloc (screen, color);
784
785#if !ENABLE_MINIMAL
786 int cmap_size = screen->visual->map_entries;
787
788 if (!got
789 && screen->visual->c_class == PseudoColor
790 && cmap_size < 4096)
791 {
792 XColor *colors = new XColor [screen->visual->map_entries];
793
794 for (int i = 0; i < cmap_size; i++)
795 colors [i].pixel = i;
796
797 // many kilobytes transfer per colour, but pseudocolor isn't worth
798 // many extra optimisations.
799 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
800
801 int diff = 0x7fffffffUL;
802 XColor *best = colors;
803
804 for (int i = 0; i < cmap_size; i++)
805 {
806 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
807 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
808 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
809
810 if (d < diff)
811 {
812 diff = d;
813 best = colors + i;
814 }
815 }
816
817 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
818 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
819
820 got = alloc (screen, rgba (best->red, best->green, best->blue));
821
822 delete [] colors;
823 }
824#endif
825
826 return got;
827}
828
829void
830rxvt_color::get (rgba &color)
554{ 831{
555#if XFT 832#if XFT
556 return XftColorAllocName (display->display, display->visual, display->cmap, 833 color.r = c.color.red;
557 name, &c); 834 color.g = c.color.green;
835 color.b = c.color.blue;
836 color.a = c.color.alpha;
558#else 837#else
559 XColor xc; 838 color.r = c.red;
560 839 color.g = c.green;
561 if (XParseColor (display->display, display->cmap, name, &xc)) 840 color.b = c.blue;
562 return set (display, xc.red, xc.green, xc.blue); 841 color.a = rgba::MAX_CC;
563
564 return false;
565#endif 842#endif
566} 843}
567 844
568bool
569rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
570{
571 XColor xc;
572
573 xc.red = cr;
574 xc.green = cg;
575 xc.blue = cb;
576 xc.flags = DoRed | DoGreen | DoBlue;
577
578 if (XAllocColor (display->display, display->cmap, &xc))
579 return set (display, xc.pixel);
580
581 return false;
582}
583
584void 845void
585rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 846rxvt_color::get (XColor &color)
586{ 847{
848 rgba c;
849 get (c);
850
851 color.red = c.r;
852 color.green = c.g;
853 color.blue = c.b;
854 color.pixel = (Pixel)*this;
855}
856
857void
858rxvt_color::free (rxvt_screen *screen)
859{
860 if (screen->visual->c_class == TrueColor)
861 return; // nothing to do
862
587#if XFT 863#if XFT
588 cr = c.color.red; 864 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
589 cg = c.color.green;
590 cb = c.color.blue;
591#else 865#else
592 XColor c; 866 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
593
594 c.pixel = p;
595 XQueryColor (display->display, display->cmap, &c);
596
597 cr = c.red;
598 cg = c.green;
599 cb = c.blue;
600#endif 867#endif
601} 868}
602 869
603void 870void
604rxvt_color::free (rxvt_display *display) 871rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
605{ 872{
606#if XFT 873 rgba c;
607 XftColorFree (display->display, display->visual, display->cmap, &c); 874 get (c);
608#else
609 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
610#endif
611}
612 875
613rxvt_color 876 result.set (
614rxvt_color::fade (rxvt_display *display, int percent) 877 screen,
615{ 878 rgba (
616 percent = 100 - percent; 879 lerp (c.r, to.r, percent),
617 880 lerp (c.g, to.g, percent),
618 unsigned short cr, cg, cb; 881 lerp (c.b, to.b, percent),
619 rxvt_color faded; 882 lerp (c.a, to.a, percent)
620 883 )
621 get (display, cr, cg, cb);
622
623 faded.set (
624 display,
625 cr * percent / 100,
626 cg * percent / 100,
627 cb * percent / 100
628 ); 884 );
629
630 return faded;
631} 885}
632 886
633#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
634
635rxvt_color
636rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
637{
638 percent = 100 - percent;
639
640 unsigned short cr, cg, cb;
641 unsigned short fcr, fcg, fcb;
642 rxvt_color faded;
643
644 get (display, cr, cg, cb);
645 fadeto.get(display, fcr, fcg, fcb);
646
647 faded.set (
648 display,
649 LERP (cr, fcr, percent),
650 LERP (cg, fcg, percent),
651 LERP (cb, fcb, percent)
652 );
653
654 return faded;
655}
656

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