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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.30 by root, Sun Jan 29 21:54:33 2006 UTC vs.
Revision 1.129 by sf-exg, Mon Jan 2 19:30:50 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
35#if XFT
36# include <X11/extensions/Xrender.h>
37#endif
38
37const char *const xa_names[] = 39static const char *const xa_names[] =
38 { 40{
39 "TEXT", 41 "TEXT",
40 "COMPOUND_TEXT", 42 "COMPOUND_TEXT",
41 "UTF8_STRING", 43 "UTF8_STRING",
42 "MULTIPLE", 44 "MULTIPLE",
43 "TARGETS", 45 "TARGETS",
44 "TIMESTAMP", 46 "TIMESTAMP",
45 "VT_SELECTION", 47 "VT_SELECTION",
46 "INCR", 48 "INCR",
47 "WM_PROTOCOLS", 49 "WM_PROTOCOLS",
48 "WM_DELETE_WINDOW", 50 "WM_DELETE_WINDOW",
49 "CLIPBOARD", 51 "CLIPBOARD",
52 "AVERAGE_WIDTH",
53 "WEIGHT_NAME",
54 "SLANT",
55 "CHARSET_REGISTRY",
56 "CHARSET_ENCODING",
50#if ENABLE_FRILLS 57#if ENABLE_FRILLS
51 "_MOTIF_WM_HINTS", 58 "_MOTIF_WM_HINTS",
52#endif 59#endif
53#if ENABLE_EWMH 60#if ENABLE_EWMH
54 "_NET_WM_PID", 61 "_NET_WM_PID",
55 "_NET_WM_NAME", 62 "_NET_WM_NAME",
56 "_NET_WM_ICON_NAME", 63 "_NET_WM_ICON_NAME",
57 "_NET_WM_PING", 64 "_NET_WM_PING",
65 "_NET_WM_ICON",
58#endif 66#endif
59#if USE_XIM 67#if USE_XIM
60 "WM_LOCALE_NAME", 68 "WM_LOCALE_NAME",
61 "XIM_SERVERS", 69 "XIM_SERVERS",
62#endif 70#endif
63#ifdef TRANSPARENT 71#ifdef ENABLE_TRANSPARENCY
64 "_XROOTPMAP_ID", 72 "_XROOTPMAP_ID",
65 "ESETROOT_PMAP_ID", 73 "ESETROOT_PMAP_ID",
66#endif 74#endif
67#if ENABLE_XEMBED 75#if ENABLE_XEMBED
68 "_XEMBED", 76 "_XEMBED",
69 "_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",
70#endif 92# endif
71 }; 93#endif
94};
72 95
73///////////////////////////////////////////////////////////////////////////// 96/////////////////////////////////////////////////////////////////////////////
74 97
75refcounted::refcounted (const char *id) 98refcounted::refcounted (const char *id)
76{ 99{
… …
153bool 176bool
154rxvt_xim::ref_init () 177rxvt_xim::ref_init ()
155{ 178{
156 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
157 180
158 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
159 182
160 if (!xim) 183 if (!xim)
161 return false; 184 return false;
162 185
163 XIMCallback ximcallback; 186 XIMCallback ximcallback;
164 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
165 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
166 189
167 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
168 191
169 return true; 192 return true;
170} 193}
171 194
172rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
… …
177 200
178#endif 201#endif
179 202
180///////////////////////////////////////////////////////////////////////////// 203/////////////////////////////////////////////////////////////////////////////
181 204
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
182void 252void
183rxvt_screen::set (rxvt_display *disp) 253rxvt_screen::set (rxvt_display *disp)
184{ 254{
185 display = disp; 255 display = disp;
186 xdisp = disp->display; 256 dpy = disp->dpy;
187 257
188 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 258 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
189 259
190 depth = DefaultDepthOfScreen (screen); 260 depth = DefaultDepthOfScreen (screen);
191 visual = DefaultVisualOfScreen (screen); 261 visual = DefaultVisualOfScreen (screen);
192 cmap = DefaultColormapOfScreen (screen); 262 cmap = DefaultColormapOfScreen (screen);
193} 263}
194 264
195void 265void
196rxvt_screen::set (rxvt_display *disp, int bitdepth) 266rxvt_screen::select_visual (int bitdepth)
197{ 267{
198 set (disp); 268#if XFT
199
200 XVisualInfo vinfo; 269 XVisualInfo vinfo;
201 270
202 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 271 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
203 { 272 {
204 depth = bitdepth; 273 depth = bitdepth;
205 visual = vinfo.visual; 274 visual = vinfo.visual;
206 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 275 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
207 } 276 }
277#endif
208} 278}
209 279
210void 280void
211rxvt_screen::clear () 281rxvt_screen::clear ()
212{ 282{
283#if XFT
284 if (scratch_area)
285 {
286 XFreePixmap (dpy, scratch_area->drawable);
287 delete scratch_area;
288 }
289#endif
290
213 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 291 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
214 XFreeColormap (xdisp, cmap); 292 XFreeColormap (dpy, cmap);
215} 293}
216 294
217///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
218 296
219rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
220: refcounted (id) 298: refcounted (id)
221, x_ev (this, &rxvt_display::x_cb)
222, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
223{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
224} 304}
225 305
226XrmDatabase 306XrmDatabase
227rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
228{ 308{
229 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
230 char fname[1024]; 310 char fname[1024];
231 311
232 /* 312 /*
233 * get resources using the X library function 313 * get resources using the X library function
234 */ 314 */
235 char *displayResource, *xe; 315 char *displayResource, *xe;
236 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
237 317
238 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
239 322
240 // 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
241 325
242 // 6. System wide per application default file. 326 // 6. System wide per application default file.
243 327
244 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
245 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
246 { 330 {
247 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
248 332
249 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
250 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
252 336
253 // 5. User's per application default file. 337 // 5. User's per application default file.
254 // none 338 // none
255 339
256 // 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
257 /* 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
258 displayResource = XResourceManagerString (display); 384 displayResource = XResourceManagerString (dpy);
259 385
260 if (displayResource != NULL) 386 if (displayResource)
261 { 387 {
262 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
263 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
264 } 390 }
265 else if (homedir)
266 {
267 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
268 391
269 if ((rdb1 = XrmGetFileDatabase (fname))) 392#if !XLIB_ILLEGAL_ACCESS
270 XrmMergeDatabases (rdb1, &database); 393 if (refresh && displayResource)
271 } 394 XFree (displayResource);
395#endif
272 396
273 /* Get screen specific resources */ 397 /* Get screen specific resources */
274 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
275 399
276 if (displayResource != NULL) 400 if (displayResource)
277 { 401 {
278 if ((rdb1 = XrmGetStringDatabase (displayResource))) 402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
279 /* Merge with screen-independent resources */ 403 /* Merge with screen-independent resources */
280 XrmMergeDatabases (rdb1, &database); 404 XrmMergeDatabases (rdb1, &database);
281 405
282 XFree (displayResource); 406 XFree (displayResource);
283 } 407 }
284 408
285 // 3. User's per host defaults file 409 // 3. User's per host defaults file
286 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
287 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
288 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
289 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
290 else if (homedir) 414 else if (homedir)
291 { 415 {
292 struct utsname un; 416 struct utsname un;
… …
306bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
307{ 431{
308#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
309 if (id[0] == ':') 433 if (id[0] == ':')
310 { 434 {
311 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
312 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
313 strcat (val, id); 438 strcat (val, id);
314 display = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
315 free (val);
316 } 440 }
317 else 441 else
318#endif 442#endif
319 display = 0; 443 dpy = 0;
320 444
321 if (!display) 445 if (!dpy)
322 display = XOpenDisplay (id); 446 dpy = XOpenDisplay (id);
323 447
324 if (!display) 448 if (!dpy)
325 return false; 449 return false;
326 450
327 screen = DefaultScreen (display); 451 screen = DefaultScreen (dpy);
328 root = DefaultRootWindow (display); 452 root = DefaultRootWindow (dpy);
329 453
330 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ecb_array_length (xa_names) == NUM_XA);
331 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
332 456
333 XrmSetDatabase (display, get_resources ()); 457 XrmSetDatabase (dpy, get_resources (false));
334 458
335#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
336 XColor blackcolour; 460 XColor blackcolour;
337 blackcolour.red = 0; 461 blackcolour.red = 0;
338 blackcolour.green = 0; 462 blackcolour.green = 0;
339 blackcolour.blue = 0; 463 blackcolour.blue = 0;
340 Font f = XLoadFont (display, "fixed"); 464 Font f = XLoadFont (dpy, "fixed");
341 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
342 &blackcolour, &blackcolour); 466 &blackcolour, &blackcolour);
343 XUnloadFont (display, f); 467 XUnloadFont (dpy, f);
344#endif 468#endif
345 469
346 int fd = XConnectionNumber (display); 470 int fd = XConnectionNumber (dpy);
347 471
348#ifndef NO_SLOW_LINK_SUPPORT
349 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
350 // assume unix domains socket == local, everything else not 473 // assume unix domain socket == local, everything else not
351 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
352 is_local = 0; 475 is_local = 0;
353 sockaddr_un sa; 476 sockaddr_un sa;
354 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
355 478
356 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
357 is_local = sa.sun_family == AF_LOCAL; 480 is_local = sa.sun_family == AF_UNIX;
358#endif
359 481
482 flush_ev.start ();
360 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
361 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
362 485
363 XSelectInput (display, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
364 487
365 flush (); 488 flush ();
366 489
367 return true; 490 return true;
368} 491}
369 492
370void 493void
371rxvt_display::ref_next () 494rxvt_display::ref_next ()
372{ 495{
373 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
374 // before re-loading/parsing 497 // before affording re-loading/parsing
375 XrmDestroyDatabase (XrmGetDatabase (display)); 498 XrmDestroyDatabase (XrmGetDatabase (dpy));
499#if XLIB_ILLEGAL_ACCESS
500 /* work around a bug in XrmSetDatabase where it frees the db */
501 dpy->db = 0;
502#endif
376 XrmSetDatabase (display, get_resources ()); 503 XrmSetDatabase (dpy, get_resources (true));
377} 504}
378 505
379rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
380{ 507{
381 if (!display) 508 if (!dpy)
382 return; 509 return;
383 510
384#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
385 XFreeCursor (display, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
386#endif 513#endif
387 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
388#ifdef USE_XIM 516#ifdef USE_XIM
389 xims.clear (); 517 xims.clear ();
390#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
391 XCloseDisplay (display); 520 XCloseDisplay (dpy);
392} 521}
393 522
394#ifdef USE_XIM 523#ifdef USE_XIM
395void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
396{ 525{
… …
404 // registers, as xlib crashes due to a race otherwise. 533 // registers, as xlib crashes due to a race otherwise.
405 Atom actual_type, *atoms; 534 Atom actual_type, *atoms;
406 int actual_format; 535 int actual_format;
407 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
408 537
409 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
410 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
411 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
412 != Success ) 541 != Success)
413 return; 542 return;
414 543
415 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
416 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
417 if (XGetSelectionOwner (display, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
418 { 547 {
419 im_change_cb (); 548 im_change_cb ();
420 break; 549 break;
421 } 550 }
422 551
423 XFree (atoms); 552 XFree (atoms);
424} 553}
425#endif 554#endif
426 555
427void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
428{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
429 do 564 do
430 { 565 {
431 XEvent xev; 566 XEvent xev;
432 XNextEvent (display, &xev); 567 XNextEvent (dpy, &xev);
433 568
434#ifdef USE_XIM 569#ifdef USE_XIM
435 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
436 { 571 {
437 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
438 && xev.xany.window == root 573 && xev.xany.window == root
439 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
440 im_change_check (); 575 im_change_check ();
441#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
442 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
443 { 581 {
444 if (!xw[i]) 582 if (!xw[i])
445 xw.erase_unordered (i); 583 xw.erase_unordered (i);
446 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
447 xw[i]->call (xev); 585 xw[i]->call (xev);
448 } 586 }
449#ifdef USE_XIM 587#ifdef USE_XIM
450 } 588 }
451#endif 589#endif
452 } 590 }
453 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
454 592
455 XFlush (display); 593 w.stop ();
456}
457
458void rxvt_display::flush ()
459{
460 if (XEventsQueued (display, QueuedAlready))
461 x_cb (x_ev, EVENT_READ);
462
463 XFlush (display);
464} 594}
465 595
466void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
467{ 597{
598 if (!w->active)
599 {
468 xw.push_back (w); 600 xw.push_back (w);
469 w->active = xw.size (); 601 w->active = xw.size ();
602 }
470} 603}
471 604
472void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
473{ 606{
474 if (w->active) 607 if (w->active)
608 {
475 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
476} 612}
477 613
478void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
479{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
480 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
481 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
482 624
483 selection_owner = owner; 625 cur_owner = owner;
484} 626}
485 627
486#ifdef USE_XIM 628#ifdef USE_XIM
629
487void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
488{ 631{
489 imw.push_back (w); 632 imw.push_back (w);
490} 633}
491 634
… …
500 int l, m; 643 int l, m;
501 644
502 l = strlen (locale); 645 l = strlen (locale);
503 m = strlen (modifiers); 646 m = strlen (modifiers);
504 647
505 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
506 return 0; 649 return 0;
507 650
508 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
509 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
510 653
511 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
512 655
513 free (id);
514
515 return xim; 656 return xim;
516} 657}
517 658
518void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
519{ 660{
520#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
521 xims.put (xim); 662 xims.put (xim);
522#endif 663# endif
523} 664}
665
524#endif 666#endif
525 667
526Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
527{ 669{
528 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
529} 671}
530 672
531///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
532 674
533template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
534refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
535 677
536///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
537 679//
680
681static unsigned int
682insert_component (unsigned int value, unsigned int mask, unsigned int shift)
683{
684 return (value * (mask + 1) >> 16) << shift;
685}
686
687bool
688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
689{
690 //TODO: only supports 24 bit
691 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
693#if XFT
694 XRenderPictFormat *format;
695
696 // FUCKING Xft gets it wrong, of course, so work around it.
697 // Transparency users should eat shit and die, and then
698 // XRenderQueryPictIndexValues themselves plenty.
699 if ((screen->visual->c_class == TrueColor)
700 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
701 {
702 // the fun lies in doing everything manually...
703 c.color.red = color.r;
704 c.color.green = color.g;
705 c.color.blue = color.b;
706 c.color.alpha = alpha;
707
708 // Xft wants premultiplied alpha, but abuses the alpha channel
709 // as blend factor, and doesn't allow us to set the alpha channel
710 c.color.red = c.color.red * alpha / 0xffff;
711 c.color.green = c.color.green * alpha / 0xffff;
712 c.color.blue = c.color.blue * alpha / 0xffff;
713
714 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
715 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
716 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
717 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
718
719 return true;
720 }
721 else
722 {
723 XRenderColor d;
724
725 d.red = color.r;
726 d.green = color.g;
727 d.blue = color.b;
728 d.alpha = alpha;
729
730 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
731 }
732#else
733 c.red = color.r;
734 c.green = color.g;
735 c.blue = color.b;
736
737 if (screen->visual->c_class == TrueColor)
738 {
739 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
740 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
741 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
742
743 return true;
744 }
745 else if (XAllocColor (screen->dpy, screen->cmap, &c))
746 return true;
747 else
748 c.pixel = (color.r + color.g + color.b) > 128*3
749 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
750 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
751#endif
752
753 return false;
754}
755
538bool 756bool
539rxvt_color::set (rxvt_screen *screen, const char *name) 757rxvt_color::set (rxvt_screen *screen, const char *name)
540{ 758{
759 rgba c;
760 char eos;
761 int skip;
762
763 c.a = rgba::MAX_CC;
764
765 // parse the nonstandard "[alphapercent]" prefix
766 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
767 {
768 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
769 name += skip;
770 }
771
772 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
773 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
774 {
775 XColor xc;
776
777 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
778 {
779 c.r = xc.red;
780 c.g = xc.green;
781 c.b = xc.blue;
782 }
783 else
784 {
785 c.r = 0xffff;
786 c.g = 0x6969;
787 c.b = 0xb4b4;
788
789 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
790 }
791 }
792
793 return set (screen, c);
794}
795
796bool
797rxvt_color::set (rxvt_screen *screen, const rgba &color)
798{
799 bool got = alloc (screen, color);
800
801#if !ENABLE_MINIMAL
802 int cmap_size = screen->visual->map_entries;
803
804 if (!got
805 && screen->visual->c_class == PseudoColor
806 && cmap_size < 4096)
807 {
808 XColor *colors = new XColor [screen->visual->map_entries];
809
810 for (int i = 0; i < cmap_size; i++)
811 colors [i].pixel = i;
812
813 // many kilobytes transfer per colour, but pseudocolor isn't worth
814 // many extra optimisations.
815 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
816
817 int diff = 0x7fffffffUL;
818 XColor *best = colors;
819
820 for (int i = 0; i < cmap_size; i++)
821 {
822 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
823 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
824 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
825
826 if (d < diff)
827 {
828 diff = d;
829 best = colors + i;
830 }
831 }
832
833 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
834 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
835
836 got = alloc (screen, rgba (best->red, best->green, best->blue));
837
838 delete [] colors;
839 }
840#endif
841
842 return got;
843}
844
845void
846rxvt_color::get (rgba &color)
847{
541#if XFT 848#if XFT
542 int l = strlen (name); 849 color.r = c.color.red;
543 rxvt_rgba r; 850 color.g = c.color.green;
544 char eos; 851 color.b = c.color.blue;
545 int mult; 852 color.a = c.color.alpha;
546
547 if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
548 mult = rxvt_rgba::MAX_CC / 0x000f;
549 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
550 mult = rxvt_rgba::MAX_CC / 0x00ff;
551 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
552 mult = rxvt_rgba::MAX_CC / 0xffff;
553 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
554 mult = rxvt_rgba::MAX_CC / 0xffff;
555 else
556 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
557
558 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
559 return set (screen, r);
560#else 853#else
561 XColor xc; 854 color.r = c.red;
562 855 color.g = c.green;
563 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 856 color.b = c.blue;
564 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 857 color.a = rgba::MAX_CC;
565
566 return false;
567#endif 858#endif
568} 859}
569 860
570bool 861void
862rxvt_color::get (XColor &color)
863{
864 rgba c;
865 get (c);
866
867 color.red = c.r;
868 color.green = c.g;
869 color.blue = c.b;
870 color.pixel = (Pixel)*this;
871}
872
873void
571rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 874rxvt_color::free (rxvt_screen *screen)
572{ 875{
876 if (screen->visual->c_class == TrueColor)
877 return; // nothing to do
878
573#if XFT 879#if XFT
574 XRenderColor d;
575
576 d.red = rgba.r;
577 d.green = rgba.g;
578 d.blue = rgba.b;
579 d.alpha = rgba.a;
580
581 if (XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c)) 880 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
582 {
583 // FUCKING Xft gets it wrong, of course, fix it for the common case
584 // transparency users should eat shit and die, and then
585 // XRenderQueryPictIndexValues themselves plenty.
586 if (screen->depth == 32 && screen->visual->c_class == TrueColor)
587 if ((screen->visual->red_mask | screen->visual->green_mask | screen->visual->blue_mask) == 0x00ffffffUL)
588 c.pixel = c.pixel & 0x00ffffffUL | ((rgba.a >> 8) << 24);
589 else if ((screen->visual->red_mask | screen->visual->green_mask | screen->visual->blue_mask) == 0xffffff00UL)
590 c.pixel = c.pixel & 0xffffff00UL | (rgba.a >> 8);
591
592 return true;
593 }
594
595 return false;
596#else 881#else
597 XColor xc;
598
599 xc.red = rgba.r;
600 xc.green = rgba.g;
601 xc.blue = rgba.b;
602 xc.flags = DoRed | DoGreen | DoBlue;
603
604 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
605 {
606 p = xc.pixel;
607 return true;
608 }
609
610 return false;
611#endif
612}
613
614void
615rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
616{
617#if XFT
618 rgba.r = c.color.red;
619 rgba.g = c.color.green;
620 rgba.b = c.color.blue;
621 rgba.a = c.color.alpha;
622#else
623 XColor c;
624
625 c.pixel = p;
626 XQueryColor (screen->xdisp, screen->cmap, &c);
627
628 rgba.r = c.red;
629 rgba.g = c.green;
630 rgba.b = c.blue;
631 rgba.a = rxvt_rgba::MAX_CC;
632#endif
633}
634
635void
636rxvt_color::free (rxvt_screen *screen)
637{
638#if XFT
639 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
640#else
641 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 882 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
642#endif 883#endif
643} 884}
644 885
645rxvt_color 886void
646rxvt_color::fade (rxvt_screen *screen, int percent)
647{
648 rxvt_color faded;
649
650 rxvt_rgba c;
651 get (screen, c);
652
653 c.r = lerp (0, c.r, percent);
654 c.g = lerp (0, c.g, percent);
655 c.b = lerp (0, c.b, percent);
656
657 faded.set (screen, c);
658
659 return faded;
660}
661
662rxvt_color
663rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 887rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
664{ 888{
665 rxvt_rgba c, fc; 889 rgba c;
666 rxvt_color faded; 890 get (c);
667
668 get (screen, c);
669 fadeto.get (screen, fc);
670 891
671 faded.set ( 892 result.set (
672 screen, 893 screen,
673 rxvt_rgba ( 894 rgba (
674 lerp (fc.r, c.r, percent), 895 lerp (c.r, to.r, percent),
675 lerp (fc.g, c.g, percent), 896 lerp (c.g, to.g, percent),
676 lerp (fc.b, c.b, percent), 897 lerp (c.b, to.b, percent),
677 lerp (fc.a, c.a, percent) 898 lerp (c.a, to.a, percent)
678 ) 899 )
679 ); 900 );
901}
680 902
903rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
904: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
905{
906 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
907
908 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
909 timer_ev.repeat = 10.;
910 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
911
912 incr_buf = 0;
913 incr_buf_size = incr_buf_fill = 0;
914 selection_wait = Sel_normal;
915 selection_type = selnum;
916 cb_sv = 0;
917}
918
919void
920rxvt_selection::stop ()
921{
922 free (incr_buf);
923 incr_buf = 0;
924 timer_ev.stop ();
925 x_ev.stop (display);
926}
927
928rxvt_selection::~rxvt_selection ()
929{
930 stop ();
931}
932
933void
934rxvt_selection::run ()
935{
936 int selnum = selection_type;
937
938#if ENABLE_FRILLS
939 if (selnum == Sel_Primary && display->selection_owner)
940 {
941 /* internal selection */
942 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
943 finish (str, strlen (str));
944 free (str);
945 return;
946 }
947#endif
948
949#if X_HAVE_UTF8_STRING
950 selection_type = Sel_UTF8String;
951 if (request (display->xa[XA_UTF8_STRING], selnum))
952 return;
953#else
954 selection_type = Sel_CompoundText;
955 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
956 return;
957#endif
958
959 // fallback to CUT_BUFFER0 if the requested property has no owner
960 handle_selection (display->root, XA_CUT_BUFFER0, false);
961}
962
963void
964rxvt_selection::finish (char *data, unsigned int len)
965{
966 if (!cb_sv)
967 {
968 if (data)
969 term->paste (data, len);
970
971 term->selection_req = 0;
972 delete this;
973 }
974#if ENABLE_PERL
975 else
976 {
977 stop (); // we do not really trust perl callbacks
978 rxvt_perl.selection_finish (this, data, len);
979 }
980#endif
981}
982
983bool
984rxvt_selection::request (Atom target, int selnum)
985{
986 Atom sel;
987
988 selection_type |= selnum;
989
990 if (selnum == Sel_Primary)
991 sel = XA_PRIMARY;
992 else if (selnum == Sel_Secondary)
993 sel = XA_SECONDARY;
994 else
995 sel = display->xa[XA_CLIPBOARD];
996
997 if (XGetSelectionOwner (display->dpy, sel) != None)
998 {
999 XConvertSelection (display->dpy, sel, target, request_prop,
1000 request_win, request_time);
1001 x_ev.start (display, request_win);
1002 timer_ev.again ();
1003 return true;
1004 }
1005
681 return faded; 1006 return false;
682} 1007}
683 1008
1009void
1010rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1011{
1012 Display *dpy = display->dpy;
1013 char *data = 0;
1014 unsigned int data_len = 0;
1015 unsigned long bytes_after;
1016 XTextProperty ct;
1017
1018 // check for failed XConvertSelection
1019 if (prop == None)
1020 {
1021 bool error = true;
1022 int selnum = selection_type & Sel_whereMask;
1023
1024 if (selection_type & Sel_CompoundText)
1025 {
1026 selection_type = 0;
1027 error = !request (XA_STRING, selnum);
1028 }
1029
1030 if (selection_type & Sel_UTF8String)
1031 {
1032 selection_type = Sel_CompoundText;
1033 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1034 }
1035
1036 if (error)
1037 {
1038 ct.value = 0;
1039 goto bailout;
1040 }
1041
1042 return;
1043 }
1044
1045 // length == (2^31 - 1) / 4, as gdk
1046 if (XGetWindowProperty (dpy, win, prop,
1047 0, 0x1fffffff,
1048 delete_prop, AnyPropertyType,
1049 &ct.encoding, &ct.format,
1050 &ct.nitems, &bytes_after,
1051 &ct.value) != Success)
1052 {
1053 ct.value = 0;
1054 goto bailout;
1055 }
1056
1057 if (ct.encoding == None)
1058 goto bailout;
1059
1060 if (ct.value == 0)
1061 goto bailout;
1062
1063 if (ct.encoding == display->xa[XA_INCR])
1064 {
1065 // INCR selection, start handshake
1066 if (!delete_prop)
1067 XDeleteProperty (dpy, win, prop);
1068
1069 selection_wait = Sel_incr;
1070 timer_ev.again ();
1071
1072 goto bailout;
1073 }
1074
1075 if (ct.nitems == 0)
1076 {
1077 if (selection_wait == Sel_incr)
1078 {
1079 XFree (ct.value);
1080
1081 // finally complete, now paste the whole thing
1082 selection_wait = Sel_normal;
1083 ct.value = (unsigned char *)incr_buf;
1084 ct.nitems = incr_buf_fill;
1085 incr_buf = 0;
1086 timer_ev.stop ();
1087 }
1088 else
1089 {
1090 // avoid recursion
1091 if (win != display->root || prop != XA_CUT_BUFFER0)
1092 {
1093 XFree (ct.value);
1094
1095 // fallback to CUT_BUFFER0 if the requested property
1096 // has an owner but is empty
1097 handle_selection (display->root, XA_CUT_BUFFER0, False);
1098 return;
1099 }
1100
1101 goto bailout;
1102 }
1103 }
1104 else if (selection_wait == Sel_incr)
1105 {
1106 timer_ev.again ();
1107
1108 while (incr_buf_fill + ct.nitems > incr_buf_size)
1109 {
1110 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1111 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1112 }
1113
1114 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1115 incr_buf_fill += ct.nitems;
1116
1117 goto bailout;
1118 }
1119
1120 char **cl;
1121 int cr;
1122
1123 // we honour the first item only
1124
1125#if !ENABLE_MINIMAL
1126 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1127 // so recode it manually
1128 if (ct.encoding == display->xa[XA_UTF8_STRING])
1129 {
1130 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1131 data = rxvt_wcstombs (w);
1132 free (w);
1133 }
1134 else
1135#endif
1136 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1137 && cl)
1138 {
1139 data = strdup (cl[0]);
1140 XFreeStringList (cl);
1141 }
1142 else
1143 {
1144 // paste raw
1145 data = strdup ((const char *)ct.value);
1146 }
1147
1148 data_len = strlen (data);
1149
1150bailout:
1151 XFree (ct.value);
1152
1153 if (selection_wait == Sel_normal)
1154 {
1155 finish (data, data_len);
1156 free (data);
1157 }
1158}
1159
1160void
1161rxvt_selection::timer_cb (ev::timer &w, int revents)
1162{
1163 if (selection_wait == Sel_incr)
1164 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1165
1166 finish ();
1167}
1168
1169void
1170rxvt_selection::x_cb (XEvent &xev)
1171{
1172 switch (xev.type)
1173 {
1174 case PropertyNotify:
1175 if (selection_wait == Sel_incr
1176 && xev.xproperty.atom == request_prop
1177 && xev.xproperty.state == PropertyNewValue)
1178 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1179 break;
1180
1181 case SelectionNotify:
1182 if (selection_wait == Sel_normal
1183 && xev.xselection.time == request_time)
1184 {
1185 timer_ev.stop ();
1186 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1187 }
1188 break;
1189 }
1190}

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