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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.36 by root, Mon Jan 30 17:43:20 2006 UTC vs.
Revision 1.117 by sf-exg, Sat Feb 12 00:30:00 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 * 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 (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 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
709 | insert_component (color.g, format->direct.greenMask, format->direct.green)
710 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
711 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
712
713 return true;
714 }
715 else
716 {
717 XRenderColor d;
718
719 d.red = color.r;
720 d.green = color.g;
721 d.blue = color.b;
722 d.alpha = alpha;
723
724 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
725 }
726#else
727 c.red = color.r;
728 c.green = color.g;
729 c.blue = color.b;
730
731 if (screen->visual->c_class == TrueColor)
732 {
733 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
734 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
735 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
736
737 return true;
738 }
739 else if (XAllocColor (screen->dpy, screen->cmap, &c))
740 return true;
741 else
742 c.pixel = (color.r + color.g + color.b) > 128*3
743 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
744 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
745#endif
746
747 return false;
748}
749
556bool 750bool
557rxvt_color::set (rxvt_screen *screen, const char *name) 751rxvt_color::set (rxvt_screen *screen, const char *name)
558{ 752{
753 rgba c;
754 char eos;
755 int skip;
756
757 c.a = rgba::MAX_CC;
758
759 // parse the nonstandard "[alphapercent]" prefix
760 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
761 {
762 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
763 name += skip;
764 }
765
766 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
767 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
768 {
769 XColor xc;
770
771 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
772 {
773 c.r = xc.red;
774 c.g = xc.green;
775 c.b = xc.blue;
776 }
777 else
778 {
779 c.r = 0xffff;
780 c.g = 0x6969;
781 c.b = 0xb4b4;
782
783 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
784 }
785 }
786
787 return set (screen, c);
788}
789
790bool
791rxvt_color::set (rxvt_screen *screen, const rgba &color)
792{
793 bool got = alloc (screen, color);
794
795#if !ENABLE_MINIMAL
796 int cmap_size = screen->visual->map_entries;
797
798 if (!got
799 && screen->visual->c_class == PseudoColor
800 && cmap_size < 4096)
801 {
802 XColor *colors = new XColor [screen->visual->map_entries];
803
804 for (int i = 0; i < cmap_size; i++)
805 colors [i].pixel = i;
806
807 // many kilobytes transfer per colour, but pseudocolor isn't worth
808 // many extra optimisations.
809 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
810
811 int diff = 0x7fffffffUL;
812 XColor *best = colors;
813
814 for (int i = 0; i < cmap_size; i++)
815 {
816 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
817 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
818 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
819
820 if (d < diff)
821 {
822 diff = d;
823 best = colors + i;
824 }
825 }
826
827 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
828 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
829
830 got = alloc (screen, rgba (best->red, best->green, best->blue));
831
832 delete [] colors;
833 }
834#endif
835
836 return got;
837}
838
839void
840rxvt_color::get (rgba &color)
841{
559#if XFT 842#if XFT
560 int l = strlen (name); 843 color.r = c.color.red;
561 rxvt_rgba r; 844 color.g = c.color.green;
562 char eos; 845 color.b = c.color.blue;
563 int mult; 846 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 847#else
590 XColor xc; 848 color.r = c.red;
591 849 color.g = c.green;
592 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 850 color.b = c.blue;
593 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 851 color.a = rgba::MAX_CC;
594
595 return false;
596#endif 852#endif
597} 853}
598 854
599bool 855void
856rxvt_color::get (XColor &color)
857{
858 rgba c;
859 get (c);
860
861 color.red = c.r;
862 color.green = c.g;
863 color.blue = c.b;
864 color.pixel = (Pixel)*this;
865}
866
867void
600rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 868rxvt_color::free (rxvt_screen *screen)
601{ 869{
870 if (screen->visual->c_class == TrueColor)
871 return; // nothing to do
872
602#if XFT 873#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); 874 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
634 }
635
636 return false;
637#else 875#else
638 if (screen->visual->c_class == TrueColor)
639 {
640 p = ((rgba.r * ((1 << screen->visual->bits_per_rgb) - 1)
641 / rxvt_rgba::MAX_CC) << ctz (screen->visual->red_mask ))
642 | ((rgba.g * ((1 << screen->visual->bits_per_rgb) - 1)
643 / rxvt_rgba::MAX_CC) << ctz (screen->visual->green_mask))
644 | ((rgba.b * ((1 << screen->visual->bits_per_rgb) - 1)
645 / rxvt_rgba::MAX_CC) << ctz (screen->visual->blue_mask ));
646
647 return true;
648 }
649 else
650 {
651 XColor xc;
652
653 xc.red = rgba.r;
654 xc.green = rgba.g;
655 xc.blue = rgba.b;
656 xc.flags = DoRed | DoGreen | DoBlue;
657
658 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
659 {
660 p = xc.pixel;
661 return true;
662 }
663 }
664
665 return false;
666#endif
667}
668
669void
670rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
671{
672#if XFT
673 rgba.r = c.color.red;
674 rgba.g = c.color.green;
675 rgba.b = c.color.blue;
676 rgba.a = c.color.alpha;
677#else
678 XColor c;
679
680 c.pixel = p;
681 XQueryColor (screen->xdisp, screen->cmap, &c);
682
683 rgba.r = c.red;
684 rgba.g = c.green;
685 rgba.b = c.blue;
686 rgba.a = rxvt_rgba::MAX_CC;
687#endif
688}
689
690void
691rxvt_color::free (rxvt_screen *screen)
692{
693#if XFT
694 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
695#else
696 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 876 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
697#endif 877#endif
698} 878}
699 879
700rxvt_color 880void
701rxvt_color::fade (rxvt_screen *screen, int percent)
702{
703 rxvt_color faded;
704
705 rxvt_rgba c;
706 get (screen, c);
707
708 c.r = lerp (0, c.r, percent);
709 c.g = lerp (0, c.g, percent);
710 c.b = lerp (0, c.b, percent);
711
712 faded.set (screen, c);
713
714 return faded;
715}
716
717rxvt_color
718rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 881rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
719{ 882{
720 rxvt_rgba c, fc; 883 rgba c;
721 rxvt_color faded; 884 get (c);
722
723 get (screen, c);
724 fadeto.get (screen, fc);
725 885
726 faded.set ( 886 result.set (
727 screen, 887 screen,
728 rxvt_rgba ( 888 rgba (
729 lerp (fc.r, c.r, percent), 889 lerp (c.r, to.r, percent),
730 lerp (fc.g, c.g, percent), 890 lerp (c.g, to.g, percent),
731 lerp (fc.b, c.b, percent), 891 lerp (c.b, to.b, percent),
732 lerp (fc.a, c.a, percent) 892 lerp (c.a, to.a, percent)
733 ) 893 )
734 ); 894 );
895}
735 896
897rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, sel_cb cb, void *ptr)
898: display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr)
899{
900 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
901
902 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
903 timer_ev.repeat = 10.;
904 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
905
906 incr_buf = 0;
907 incr_buf_size = incr_buf_fill = 0;
908 selection_wait = Sel_normal;
909 selection_type = selnum;
910}
911
912void
913rxvt_selection::run ()
914{
915 int selnum = selection_type;
916
917#if X_HAVE_UTF8_STRING
918 selection_type = Sel_UTF8String;
919 if (request (display->xa[XA_UTF8_STRING], selnum))
920 return;
921#else
922 selection_type = Sel_CompoundText;
923 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
924 return;
925#endif
926
927 // fallback to CUT_BUFFER0 if the requested property has no owner
928 handle_selection (display->root, XA_CUT_BUFFER0, false);
929}
930
931rxvt_selection::~rxvt_selection ()
932{
933 stop ();
934}
935
936void
937rxvt_selection::stop ()
938{
939 free (incr_buf);
940 incr_buf = 0;
941 timer_ev.stop ();
942 x_ev.stop (display);
943}
944
945bool
946rxvt_selection::request (Atom target, int selnum)
947{
948 Atom sel;
949
950 selection_type |= selnum;
951
952 if (selnum == Sel_Primary)
953 sel = XA_PRIMARY;
954 else if (selnum == Sel_Secondary)
955 sel = XA_SECONDARY;
956 else
957 sel = display->xa[XA_CLIPBOARD];
958
959 if (XGetSelectionOwner (display->dpy, sel) != None)
960 {
961 XConvertSelection (display->dpy, sel, target, request_prop,
962 request_win, request_time);
963 x_ev.start (display, request_win);
964 timer_ev.again ();
965 return true;
966 }
967
736 return faded; 968 return false;
737} 969}
738 970
971void
972rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
973{
974 Display *dpy = display->dpy;
975 char *data = 0;
976 unsigned int data_len = 0;
977 unsigned long bytes_after;
978 XTextProperty ct;
979
980 // check for failed XConvertSelection
981 if (prop == None)
982 {
983 bool error = true;
984 int selnum = selection_type & Sel_whereMask;
985
986 if (selection_type & Sel_CompoundText)
987 {
988 selection_type = 0;
989 error = !request (XA_STRING, selnum);
990 }
991
992 if (selection_type & Sel_UTF8String)
993 {
994 selection_type = Sel_CompoundText;
995 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
996 }
997
998 if (error)
999 {
1000 ct.value = 0;
1001 goto bailout;
1002 }
1003
1004 return;
1005 }
1006
1007 // length == (2^31 - 1) / 4, as gdk
1008 if (XGetWindowProperty (dpy, win, prop,
1009 0, 0x1fffffff,
1010 delete_prop, AnyPropertyType,
1011 &ct.encoding, &ct.format,
1012 &ct.nitems, &bytes_after,
1013 &ct.value) != Success)
1014 {
1015 ct.value = 0;
1016 goto bailout;
1017 }
1018
1019 if (ct.encoding == None)
1020 goto bailout;
1021
1022 if (ct.value == 0)
1023 goto bailout;
1024
1025 if (ct.encoding == display->xa[XA_INCR])
1026 {
1027 // INCR selection, start handshake
1028 if (!delete_prop)
1029 XDeleteProperty (dpy, win, prop);
1030
1031 selection_wait = Sel_incr;
1032 timer_ev.again ();
1033
1034 goto bailout;
1035 }
1036
1037 if (ct.nitems == 0)
1038 {
1039 if (selection_wait == Sel_incr)
1040 {
1041 XFree (ct.value);
1042
1043 // finally complete, now paste the whole thing
1044 selection_wait = Sel_normal;
1045 ct.value = (unsigned char *)incr_buf;
1046 ct.nitems = incr_buf_fill;
1047 incr_buf = 0;
1048 timer_ev.stop ();
1049 }
1050 else
1051 {
1052 // avoid recursion
1053 if (win != display->root || prop != XA_CUT_BUFFER0)
1054 {
1055 XFree (ct.value);
1056
1057 // fallback to CUT_BUFFER0 if the requested property
1058 // has an owner but is empty
1059 handle_selection (display->root, XA_CUT_BUFFER0, False);
1060 return;
1061 }
1062
1063 goto bailout;
1064 }
1065 }
1066 else if (selection_wait == Sel_incr)
1067 {
1068 timer_ev.again ();
1069
1070 while (incr_buf_fill + ct.nitems > incr_buf_size)
1071 {
1072 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1073 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1074 }
1075
1076 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1077 incr_buf_fill += ct.nitems;
1078
1079 goto bailout;
1080 }
1081
1082 char **cl;
1083 int cr;
1084
1085 // we honour the first item only
1086
1087#if !ENABLE_MINIMAL
1088 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1089 // so recode it manually
1090 if (ct.encoding == display->xa[XA_UTF8_STRING])
1091 {
1092 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1093 data = rxvt_wcstombs (w);
1094 free (w);
1095 }
1096 else
1097#endif
1098 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1099 && cl)
1100 {
1101 data = strdup (cl[0]);
1102 XFreeStringList (cl);
1103 }
1104 else
1105 {
1106 // paste raw
1107 data = strdup ((const char *)ct.value);
1108 }
1109
1110 data_len = strlen (data);
1111
1112bailout:
1113 XFree (ct.value);
1114
1115 if (selection_wait == Sel_normal)
1116 {
1117 stop ();
1118 request_cb (data, data_len, this, user_data);
1119 free (data);
1120 }
1121}
1122
1123void
1124rxvt_selection::timer_cb (ev::timer &w, int revents)
1125{
1126 if (selection_wait == Sel_incr)
1127 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1128
1129 stop ();
1130 request_cb (NULL, 0, this, user_data);
1131}
1132
1133void
1134rxvt_selection::x_cb (XEvent &xev)
1135{
1136 switch (xev.type)
1137 {
1138 case PropertyNotify:
1139 if (selection_wait == Sel_incr
1140 && xev.xproperty.atom == request_prop
1141 && xev.xproperty.state == PropertyNewValue)
1142 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1143 break;
1144
1145 case SelectionNotify:
1146 if (selection_wait == Sel_normal
1147 && xev.xselection.time == request_time
1148 && xev.xselection.property == request_prop)
1149 {
1150 timer_ev.stop ();
1151 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1152 }
1153 break;
1154 }
1155}

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