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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.34 by root, Mon Jan 30 02:21:20 2006 UTC vs.
Revision 1.128 by sf-exg, Fri Jul 1 19:06:51 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) 2003-2011 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
… …
26 27
27#include <unistd.h> 28#include <unistd.h>
28#include <fcntl.h> 29#include <fcntl.h>
29 30
30#include <sys/utsname.h> 31#include <sys/utsname.h>
31
32#ifndef NO_SLOW_LINK_SUPPORT
33# include <sys/socket.h> 32#include <sys/socket.h>
34# include <sys/un.h> 33#include <sys/un.h>
35#endif
36 34
37#if XFT 35#if XFT
38# include <X11/extensions/Xrender.h> 36# include <X11/extensions/Xrender.h>
39#endif 37#endif
40 38
41const char *const xa_names[] = 39static const char *const xa_names[] =
42{ 40{
43 "TEXT", 41 "TEXT",
44 "COMPOUND_TEXT", 42 "COMPOUND_TEXT",
45 "UTF8_STRING", 43 "UTF8_STRING",
46 "MULTIPLE", 44 "MULTIPLE",
… …
62#if ENABLE_EWMH 60#if ENABLE_EWMH
63 "_NET_WM_PID", 61 "_NET_WM_PID",
64 "_NET_WM_NAME", 62 "_NET_WM_NAME",
65 "_NET_WM_ICON_NAME", 63 "_NET_WM_ICON_NAME",
66 "_NET_WM_PING", 64 "_NET_WM_PING",
65 "_NET_WM_ICON",
67#endif 66#endif
68#if USE_XIM 67#if USE_XIM
69 "WM_LOCALE_NAME", 68 "WM_LOCALE_NAME",
70 "XIM_SERVERS", 69 "XIM_SERVERS",
71#endif 70#endif
72#ifdef TRANSPARENT 71#ifdef ENABLE_TRANSPARENCY
73 "_XROOTPMAP_ID", 72 "_XROOTPMAP_ID",
74 "ESETROOT_PMAP_ID", 73 "ESETROOT_PMAP_ID",
75#endif 74#endif
76#if ENABLE_XEMBED 75#if ENABLE_XEMBED
77 "_XEMBED", 76 "_XEMBED",
… …
81 "SCREEN_RESOURCES", 80 "SCREEN_RESOURCES",
82 "XDCCC_LINEAR_RGB_CORRECTION", 81 "XDCCC_LINEAR_RGB_CORRECTION",
83 "XDCCC_LINEAR_RGB_MATRICES", 82 "XDCCC_LINEAR_RGB_MATRICES",
84 "WM_COLORMAP_WINDOWS", 83 "WM_COLORMAP_WINDOWS",
85 "WM_STATE", 84 "WM_STATE",
85 "cursor",
86# if USE_XIM
87 "TRANSPORT",
88 "LOCALES",
89 "_XIM_PROTOCOL",
90 "_XIM_XCONNECT",
91 "_XIM_MOREDATA",
92# endif
86#endif 93#endif
87}; 94};
88 95
89///////////////////////////////////////////////////////////////////////////// 96/////////////////////////////////////////////////////////////////////////////
90 97
… …
169bool 176bool
170rxvt_xim::ref_init () 177rxvt_xim::ref_init ()
171{ 178{
172 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
173 180
174 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
175 182
176 if (!xim) 183 if (!xim)
177 return false; 184 return false;
178 185
179 XIMCallback ximcallback; 186 XIMCallback ximcallback;
180 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
181 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
182 189
183 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
184 191
185 return true; 192 return true;
186} 193}
187 194
188rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
… …
193 200
194#endif 201#endif
195 202
196///////////////////////////////////////////////////////////////////////////// 203/////////////////////////////////////////////////////////////////////////////
197 204
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
198void 252void
199rxvt_screen::set (rxvt_display *disp) 253rxvt_screen::set (rxvt_display *disp)
200{ 254{
201 display = disp; 255 display = disp;
202 xdisp = disp->display; 256 dpy = disp->dpy;
203 257
204 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 258 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
205 259
206 depth = DefaultDepthOfScreen (screen); 260 depth = DefaultDepthOfScreen (screen);
207 visual = DefaultVisualOfScreen (screen); 261 visual = DefaultVisualOfScreen (screen);
208 cmap = DefaultColormapOfScreen (screen); 262 cmap = DefaultColormapOfScreen (screen);
209} 263}
210 264
211void 265void
212rxvt_screen::set (rxvt_display *disp, int bitdepth) 266rxvt_screen::select_visual (int bitdepth)
213{ 267{
214 set (disp);
215
216#if XFT 268#if XFT
217 XVisualInfo vinfo; 269 XVisualInfo vinfo;
218 270
219 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 271 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
220 { 272 {
221 depth = bitdepth; 273 depth = bitdepth;
222 visual = vinfo.visual; 274 visual = vinfo.visual;
223 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 275 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
224 } 276 }
225#endif 277#endif
226} 278}
227 279
228void 280void
229rxvt_screen::clear () 281rxvt_screen::clear ()
230{ 282{
283#if XFT
284 if (scratch_area)
285 {
286 XFreePixmap (dpy, scratch_area->drawable);
287 delete scratch_area;
288 }
289#endif
290
231 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 291 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
232 XFreeColormap (xdisp, cmap); 292 XFreeColormap (dpy, cmap);
233} 293}
234 294
235///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
236 296
237rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
238: refcounted (id) 298: refcounted (id)
239, x_ev (this, &rxvt_display::x_cb)
240, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
241{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
242} 304}
243 305
244XrmDatabase 306XrmDatabase
245rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
246{ 308{
247 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
248 char fname[1024]; 310 char fname[1024];
249 311
250 /* 312 /*
251 * get resources using the X library function 313 * get resources using the X library function
252 */ 314 */
253 char *displayResource, *xe; 315 char *displayResource, *xe;
254 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
255 317
256 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
257 322
258 // 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
259 325
260 // 6. System wide per application default file. 326 // 6. System wide per application default file.
261 327
262 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
263 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
264 { 330 {
265 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
266 332
267 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
268 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
270 336
271 // 5. User's per application default file. 337 // 5. User's per application default file.
272 // none 338 // none
273 339
274 // 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
275 /* 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
276 displayResource = XResourceManagerString (display); 384 displayResource = XResourceManagerString (dpy);
277 385
278 if (displayResource != NULL) 386 if (displayResource)
279 { 387 {
280 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
281 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
282 } 390 }
283 else if (homedir)
284 {
285 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
286 391
287 if ((rdb1 = XrmGetFileDatabase (fname))) 392#if !XLIB_ILLEGAL_ACCESS
288 XrmMergeDatabases (rdb1, &database); 393 if (refresh && displayResource)
289 } 394 XFree (displayResource);
395#endif
290 396
291 /* Get screen specific resources */ 397 /* Get screen specific resources */
292 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
293 399
294 if (displayResource != NULL) 400 if (displayResource)
295 { 401 {
296 if ((rdb1 = XrmGetStringDatabase (displayResource))) 402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
297 /* Merge with screen-independent resources */ 403 /* Merge with screen-independent resources */
298 XrmMergeDatabases (rdb1, &database); 404 XrmMergeDatabases (rdb1, &database);
299 405
300 XFree (displayResource); 406 XFree (displayResource);
301 } 407 }
302 408
303 // 3. User's per host defaults file 409 // 3. User's per host defaults file
304 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
305 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
306 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
307 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
308 else if (homedir) 414 else if (homedir)
309 { 415 {
310 struct utsname un; 416 struct utsname un;
… …
324bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
325{ 431{
326#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
327 if (id[0] == ':') 433 if (id[0] == ':')
328 { 434 {
329 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
330 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
331 strcat (val, id); 438 strcat (val, id);
332 display = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
333 free (val);
334 } 440 }
335 else 441 else
336#endif 442#endif
337 display = 0; 443 dpy = 0;
338 444
339 if (!display) 445 if (!dpy)
340 display = XOpenDisplay (id); 446 dpy = XOpenDisplay (id);
341 447
342 if (!display) 448 if (!dpy)
343 return false; 449 return false;
344 450
345 screen = DefaultScreen (display); 451 screen = DefaultScreen (dpy);
346 root = DefaultRootWindow (display); 452 root = DefaultRootWindow (dpy);
347 453
348 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ecb_array_length (xa_names) == NUM_XA);
349 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
350 456
351 XrmSetDatabase (display, get_resources ()); 457 XrmSetDatabase (dpy, get_resources (false));
352 458
353#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
354 XColor blackcolour; 460 XColor blackcolour;
355 blackcolour.red = 0; 461 blackcolour.red = 0;
356 blackcolour.green = 0; 462 blackcolour.green = 0;
357 blackcolour.blue = 0; 463 blackcolour.blue = 0;
358 Font f = XLoadFont (display, "fixed"); 464 Font f = XLoadFont (dpy, "fixed");
359 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
360 &blackcolour, &blackcolour); 466 &blackcolour, &blackcolour);
361 XUnloadFont (display, f); 467 XUnloadFont (dpy, f);
362#endif 468#endif
363 469
364 int fd = XConnectionNumber (display); 470 int fd = XConnectionNumber (dpy);
365 471
366#ifndef NO_SLOW_LINK_SUPPORT
367 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
368 // assume unix domains socket == local, everything else not 473 // assume unix domain socket == local, everything else not
369 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
370 is_local = 0; 475 is_local = 0;
371 sockaddr_un sa; 476 sockaddr_un sa;
372 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
373 478
374 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
375 is_local = sa.sun_family == AF_LOCAL; 480 is_local = sa.sun_family == AF_UNIX;
376#endif
377 481
482 flush_ev.start ();
378 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
379 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
380 485
381 XSelectInput (display, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
382 487
383 flush (); 488 flush ();
384 489
385 return true; 490 return true;
386} 491}
387 492
388void 493void
389rxvt_display::ref_next () 494rxvt_display::ref_next ()
390{ 495{
391 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
392 // before re-loading/parsing 497 // before affording re-loading/parsing
393 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
394 XrmSetDatabase (display, get_resources ()); 503 XrmSetDatabase (dpy, get_resources (true));
395} 504}
396 505
397rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
398{ 507{
399 if (!display) 508 if (!dpy)
400 return; 509 return;
401 510
402#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
403 XFreeCursor (display, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
404#endif 513#endif
405 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
406#ifdef USE_XIM 516#ifdef USE_XIM
407 xims.clear (); 517 xims.clear ();
408#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
409 XCloseDisplay (display); 520 XCloseDisplay (dpy);
410} 521}
411 522
412#ifdef USE_XIM 523#ifdef USE_XIM
413void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
414{ 525{
… …
422 // registers, as xlib crashes due to a race otherwise. 533 // registers, as xlib crashes due to a race otherwise.
423 Atom actual_type, *atoms; 534 Atom actual_type, *atoms;
424 int actual_format; 535 int actual_format;
425 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
426 537
427 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
428 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
429 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
430 != Success ) 541 != Success)
431 return; 542 return;
432 543
433 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
434 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
435 if (XGetSelectionOwner (display, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
436 { 547 {
437 im_change_cb (); 548 im_change_cb ();
438 break; 549 break;
439 } 550 }
440 551
441 XFree (atoms); 552 XFree (atoms);
442} 553}
443#endif 554#endif
444 555
445void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
446{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
447 do 564 do
448 { 565 {
449 XEvent xev; 566 XEvent xev;
450 XNextEvent (display, &xev); 567 XNextEvent (dpy, &xev);
451 568
452#ifdef USE_XIM 569#ifdef USE_XIM
453 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
454 { 571 {
455 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
456 && xev.xany.window == root 573 && xev.xany.window == root
457 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
458 im_change_check (); 575 im_change_check ();
459#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
460 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
461 { 581 {
462 if (!xw[i]) 582 if (!xw[i])
463 xw.erase_unordered (i); 583 xw.erase_unordered (i);
464 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
465 xw[i]->call (xev); 585 xw[i]->call (xev);
466 } 586 }
467#ifdef USE_XIM 587#ifdef USE_XIM
468 } 588 }
469#endif 589#endif
470 } 590 }
471 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
472 592
473 XFlush (display); 593 w.stop ();
474}
475
476void rxvt_display::flush ()
477{
478 if (XEventsQueued (display, QueuedAlready))
479 x_cb (x_ev, EVENT_READ);
480
481 XFlush (display);
482} 594}
483 595
484void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
485{ 597{
598 if (!w->active)
599 {
486 xw.push_back (w); 600 xw.push_back (w);
487 w->active = xw.size (); 601 w->active = xw.size ();
602 }
488} 603}
489 604
490void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
491{ 606{
492 if (w->active) 607 if (w->active)
608 {
493 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
494} 612}
495 613
496void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
497{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
498 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
499 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
500 624
501 selection_owner = owner; 625 cur_owner = owner;
502} 626}
503 627
504#ifdef USE_XIM 628#ifdef USE_XIM
629
505void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
506{ 631{
507 imw.push_back (w); 632 imw.push_back (w);
508} 633}
509 634
… …
518 int l, m; 643 int l, m;
519 644
520 l = strlen (locale); 645 l = strlen (locale);
521 m = strlen (modifiers); 646 m = strlen (modifiers);
522 647
523 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
524 return 0; 649 return 0;
525 650
526 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
527 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
528 653
529 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
530 655
531 free (id);
532
533 return xim; 656 return xim;
534} 657}
535 658
536void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
537{ 660{
538#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
539 xims.put (xim); 662 xims.put (xim);
540#endif 663# endif
541} 664}
665
542#endif 666#endif
543 667
544Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
545{ 669{
546 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
547} 671}
548 672
549///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
550 674
551template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
552refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
553 677
554///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
555 679//
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 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
556bool 756bool
557rxvt_color::set (rxvt_screen *screen, const char *name) 757rxvt_color::set (rxvt_screen *screen, const char *name)
558{ 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{
559#if XFT 848#if XFT
560 int l = strlen (name); 849 color.r = c.color.red;
561 rxvt_rgba r; 850 color.g = c.color.green;
562 char eos; 851 color.b = c.color.blue;
563 int mult; 852 color.a = c.color.alpha;
564
565 // shortcutting this saves countless server RTTs for the built-in colours
566 if (l == 3+3*3 && 3 == sscanf (name, "rgb:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
567 {
568 r.a = rxvt_rgba::MAX_CC;
569 mult = rxvt_rgba::MAX_CC / 0x00ff;
570 }
571
572 // parse a number of non-standard ARGB colour specifications
573 else if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
574 mult = rxvt_rgba::MAX_CC / 0x000f;
575 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
576 mult = rxvt_rgba::MAX_CC / 0x00ff;
577 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
578 mult = rxvt_rgba::MAX_CC / 0xffff;
579 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
580 mult = rxvt_rgba::MAX_CC / 0xffff;
581
582 // slow case: server round trip
583 else
584 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
585
586 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
587
588 return set (screen, r);
589#else 853#else
590 XColor xc; 854 color.r = c.red;
591 855 color.g = c.green;
592 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 856 color.b = c.blue;
593 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 857 color.a = rgba::MAX_CC;
594
595 return false;
596#endif 858#endif
597} 859}
598 860
599bool 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
600rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 874rxvt_color::free (rxvt_screen *screen)
601{ 875{
876 if (screen->visual->c_class == TrueColor)
877 return; // nothing to do
878
602#if XFT 879#if XFT
603 XRenderPictFormat *format;
604
605 // FUCKING Xft gets it wrong, of course, so work around it
606 // transparency users should eat shit and die, and then
607 // XRenderQueryPictIndexValues themselves plenty.
608 if (screen->visual->c_class == TrueColor
609 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual)))
610 {
611 // the fun lies in doing everything manually...
612 c.color.red = rgba.r;
613 c.color.green = rgba.g;
614 c.color.blue = rgba.b;
615 c.color.alpha = rgba.a;
616
617 c.pixel = ((rgba.r * format->direct.redMask / rxvt_rgba::MAX_CC) << format->direct.red )
618 | ((rgba.g * format->direct.greenMask / rxvt_rgba::MAX_CC) << format->direct.green)
619 | ((rgba.b * format->direct.blueMask / rxvt_rgba::MAX_CC) << format->direct.blue )
620 | ((rgba.a * format->direct.alphaMask / rxvt_rgba::MAX_CC) << format->direct.alpha);
621
622 return true;
623 }
624 else
625 {
626 XRenderColor d;
627
628 d.red = rgba.r;
629 d.green = rgba.g;
630 d.blue = rgba.b;
631 d.alpha = rgba.a;
632
633 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); 880 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
634 }
635
636 return false;
637#else 881#else
638 XColor xc;
639
640 xc.red = rgba.r;
641 xc.green = rgba.g;
642 xc.blue = rgba.b;
643 xc.flags = DoRed | DoGreen | DoBlue;
644
645 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
646 {
647 p = xc.pixel;
648 return true;
649 }
650
651 return false;
652#endif
653}
654
655void
656rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
657{
658#if XFT
659 rgba.r = c.color.red;
660 rgba.g = c.color.green;
661 rgba.b = c.color.blue;
662 rgba.a = c.color.alpha;
663#else
664 XColor c;
665
666 c.pixel = p;
667 XQueryColor (screen->xdisp, screen->cmap, &c);
668
669 rgba.r = c.red;
670 rgba.g = c.green;
671 rgba.b = c.blue;
672 rgba.a = rxvt_rgba::MAX_CC;
673#endif
674}
675
676void
677rxvt_color::free (rxvt_screen *screen)
678{
679#if XFT
680 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
681#else
682 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 882 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
683#endif 883#endif
684} 884}
685 885
686rxvt_color 886void
687rxvt_color::fade (rxvt_screen *screen, int percent)
688{
689 rxvt_color faded;
690
691 rxvt_rgba c;
692 get (screen, c);
693
694 c.r = lerp (0, c.r, percent);
695 c.g = lerp (0, c.g, percent);
696 c.b = lerp (0, c.b, percent);
697
698 faded.set (screen, c);
699
700 return faded;
701}
702
703rxvt_color
704rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 887rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
705{ 888{
706 rxvt_rgba c, fc; 889 rgba c;
707 rxvt_color faded; 890 get (c);
708
709 get (screen, c);
710 fadeto.get (screen, fc);
711 891
712 faded.set ( 892 result.set (
713 screen, 893 screen,
714 rxvt_rgba ( 894 rgba (
715 lerp (fc.r, c.r, percent), 895 lerp (c.r, to.r, percent),
716 lerp (fc.g, c.g, percent), 896 lerp (c.g, to.g, percent),
717 lerp (fc.b, c.b, percent), 897 lerp (c.b, to.b, percent),
718 lerp (fc.a, c.a, percent) 898 lerp (c.a, to.a, percent)
719 ) 899 )
720 ); 900 );
901}
721 902
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
722 return faded; 1006 return false;
723} 1007}
724 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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