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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.25 by root, Wed Jan 25 02:42:06 2006 UTC vs.
Revision 1.126 by sf-exg, Wed May 25 08:55:52 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
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
252void
253rxvt_screen::set (rxvt_display *disp)
254{
255 display = disp;
256 dpy = disp->dpy;
257
258 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
259
260 depth = DefaultDepthOfScreen (screen);
261 visual = DefaultVisualOfScreen (screen);
262 cmap = DefaultColormapOfScreen (screen);
263}
264
265void
266rxvt_screen::select_visual (int bitdepth)
267{
268#if XFT
269 XVisualInfo vinfo;
270
271 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
272 {
273 depth = bitdepth;
274 visual = vinfo.visual;
275 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
276 }
277#endif
278}
279
280void
281rxvt_screen::clear ()
282{
283#if XFT
284 if (scratch_area)
285 {
286 XFreePixmap (dpy, scratch_area->drawable);
287 delete scratch_area;
288 }
289#endif
290
291 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
292 XFreeColormap (dpy, cmap);
293}
294
295/////////////////////////////////////////////////////////////////////////////
296
182rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
183: refcounted (id) 298: refcounted (id)
184, x_ev (this, &rxvt_display::x_cb)
185, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
186{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
187} 304}
188 305
189XrmDatabase 306XrmDatabase
190rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
191{ 308{
192 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
193 char fname[1024]; 310 char fname[1024];
194 311
195 /* 312 /*
196 * get resources using the X library function 313 * get resources using the X library function
197 */ 314 */
198 char *displayResource, *xe; 315 char *displayResource, *xe;
199 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
200 317
201 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
202 322
203 // 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
204 325
205 // 6. System wide per application default file. 326 // 6. System wide per application default file.
206 327
207 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
208 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
209 { 330 {
210 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
211 332
212 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
213 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
215 336
216 // 5. User's per application default file. 337 // 5. User's per application default file.
217 // none 338 // none
218 339
219 // 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
220 /* 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
221 displayResource = XResourceManagerString (display); 384 displayResource = XResourceManagerString (dpy);
222 385
223 if (displayResource != NULL) 386 if (displayResource)
224 { 387 {
225 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
226 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
227 } 390 }
228 else if (homedir)
229 {
230 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
231 391
232 if ((rdb1 = XrmGetFileDatabase (fname))) 392#if !XLIB_ILLEGAL_ACCESS
233 XrmMergeDatabases (rdb1, &database); 393 if (refresh && displayResource)
234 } 394 XFree (displayResource);
395#endif
235 396
236 /* Get screen specific resources */ 397 /* Get screen specific resources */
237 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
238 399
239 if (displayResource != NULL) 400 if (displayResource)
240 { 401 {
241 if ((rdb1 = XrmGetStringDatabase (displayResource))) 402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
242 /* Merge with screen-independent resources */ 403 /* Merge with screen-independent resources */
243 XrmMergeDatabases (rdb1, &database); 404 XrmMergeDatabases (rdb1, &database);
244 405
245 XFree (displayResource); 406 XFree (displayResource);
246 } 407 }
247 408
248 // 3. User's per host defaults file 409 // 3. User's per host defaults file
249 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
250 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
251 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
252 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
253 else if (homedir) 414 else if (homedir)
254 { 415 {
255 struct utsname un; 416 struct utsname un;
… …
269bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
270{ 431{
271#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
272 if (id[0] == ':') 433 if (id[0] == ':')
273 { 434 {
274 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
275 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
276 strcat (val, id); 438 strcat (val, id);
277 display = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
278 free (val);
279 } 440 }
280 else 441 else
281#endif 442#endif
282 display = 0; 443 dpy = 0;
283 444
284 if (!display) 445 if (!dpy)
285 display = XOpenDisplay (id); 446 dpy = XOpenDisplay (id);
286 447
287 if (!display) 448 if (!dpy)
288 return false; 449 return false;
289 450
290 screen = DefaultScreen (display); 451 screen = DefaultScreen (dpy);
291 root = DefaultRootWindow (display); 452 root = DefaultRootWindow (dpy);
292 visual = DefaultVisual (display, screen);
293 cmap = DefaultColormap (display, screen);
294 depth = DefaultDepth (display, screen);
295 453
296 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
297 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
298 456
299 XrmSetDatabase (display, get_resources ()); 457 XrmSetDatabase (dpy, get_resources (false));
300 458
301#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
302 XColor blackcolour; 460 XColor blackcolour;
303 blackcolour.red = 0; 461 blackcolour.red = 0;
304 blackcolour.green = 0; 462 blackcolour.green = 0;
305 blackcolour.blue = 0; 463 blackcolour.blue = 0;
306 Font f = XLoadFont (display, "fixed"); 464 Font f = XLoadFont (dpy, "fixed");
307 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
308 &blackcolour, &blackcolour); 466 &blackcolour, &blackcolour);
309 XUnloadFont (display, f); 467 XUnloadFont (dpy, f);
310#endif 468#endif
311 469
312#ifdef PREFER_24BIT
313 /*
314 * If depth is not 24, look for a 24bit visual.
315 */
316 if (depth != 24)
317 {
318 XVisualInfo vinfo;
319
320 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
321 {
322 depth = 24;
323 visual = vinfo.visual;
324 cmap = XCreateColormap (display,
325 RootWindow (display, screen),
326 visual, AllocNone);
327 }
328 }
329#endif
330
331 int fd = XConnectionNumber (display); 470 int fd = XConnectionNumber (dpy);
332 471
333#ifndef NO_SLOW_LINK_SUPPORT
334 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
335 // assume unix domains socket == local, everything else not 473 // assume unix domain socket == local, everything else not
336 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
337 is_local = 0; 475 is_local = 0;
338 sockaddr_un sa; 476 sockaddr_un sa;
339 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
340 478
341 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
342 is_local = sa.sun_family == AF_LOCAL; 480 is_local = sa.sun_family == AF_UNIX;
343#endif
344 481
482 flush_ev.start ();
345 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
346 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
347 485
348 XSelectInput (display, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
349 487
350 flush (); 488 flush ();
351 489
352 return true; 490 return true;
353} 491}
354 492
355void 493void
356rxvt_display::ref_next () 494rxvt_display::ref_next ()
357{ 495{
358 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
359 // before re-loading/parsing 497 // before affording re-loading/parsing
360 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
361 XrmSetDatabase (display, get_resources ()); 503 XrmSetDatabase (dpy, get_resources (true));
362} 504}
363 505
364rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
365{ 507{
366 if (!display) 508 if (!dpy)
367 return; 509 return;
368 510
369#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
370 XFreeCursor (display, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
371#endif 513#endif
372 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
373#ifdef USE_XIM 516#ifdef USE_XIM
374 xims.clear (); 517 xims.clear ();
375#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
376 XCloseDisplay (display); 520 XCloseDisplay (dpy);
377} 521}
378 522
379#ifdef USE_XIM 523#ifdef USE_XIM
380void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
381{ 525{
… …
389 // registers, as xlib crashes due to a race otherwise. 533 // registers, as xlib crashes due to a race otherwise.
390 Atom actual_type, *atoms; 534 Atom actual_type, *atoms;
391 int actual_format; 535 int actual_format;
392 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
393 537
394 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
395 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
396 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
397 != Success ) 541 != Success)
398 return; 542 return;
399 543
400 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
401 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
402 if (XGetSelectionOwner (display, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
403 { 547 {
404 im_change_cb (); 548 im_change_cb ();
405 break; 549 break;
406 } 550 }
407 551
408 XFree (atoms); 552 XFree (atoms);
409} 553}
410#endif 554#endif
411 555
412void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
413{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
414 do 564 do
415 { 565 {
416 XEvent xev; 566 XEvent xev;
417 XNextEvent (display, &xev); 567 XNextEvent (dpy, &xev);
418 568
419#ifdef USE_XIM 569#ifdef USE_XIM
420 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
421 { 571 {
422 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
423 && xev.xany.window == root 573 && xev.xany.window == root
424 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
425 im_change_check (); 575 im_change_check ();
426#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
427 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
428 { 581 {
429 if (!xw[i]) 582 if (!xw[i])
430 xw.erase_unordered (i); 583 xw.erase_unordered (i);
431 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
432 xw[i]->call (xev); 585 xw[i]->call (xev);
433 } 586 }
434#ifdef USE_XIM 587#ifdef USE_XIM
435 } 588 }
436#endif 589#endif
437 } 590 }
438 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
439 592
440 XFlush (display); 593 w.stop ();
441}
442
443void rxvt_display::flush ()
444{
445 if (XEventsQueued (display, QueuedAlready))
446 x_cb (x_ev, EVENT_READ);
447
448 XFlush (display);
449} 594}
450 595
451void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
452{ 597{
598 if (!w->active)
599 {
453 xw.push_back (w); 600 xw.push_back (w);
454 w->active = xw.size (); 601 w->active = xw.size ();
602 }
455} 603}
456 604
457void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
458{ 606{
459 if (w->active) 607 if (w->active)
608 {
460 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
461} 612}
462 613
463void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
464{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
465 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
466 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
467 624
468 selection_owner = owner; 625 cur_owner = owner;
469} 626}
470 627
471#ifdef USE_XIM 628#ifdef USE_XIM
629
472void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
473{ 631{
474 imw.push_back (w); 632 imw.push_back (w);
475} 633}
476 634
… …
485 int l, m; 643 int l, m;
486 644
487 l = strlen (locale); 645 l = strlen (locale);
488 m = strlen (modifiers); 646 m = strlen (modifiers);
489 647
490 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
491 return 0; 649 return 0;
492 650
493 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
494 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
495 653
496 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
497 655
498 free (id);
499
500 return xim; 656 return xim;
501} 657}
502 658
503void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
504{ 660{
505#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
506 xims.put (xim); 662 xims.put (xim);
507#endif 663# endif
508} 664}
665
509#endif 666#endif
510 667
511Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
512{ 669{
513 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
514} 671}
515 672
516///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
517 674
518template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
519refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
520 677
521///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
522 679//
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
523bool 687bool
524rxvt_color::set (rxvt_display *display, Pixel p) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
525{ 689{
690 //TODO: only supports 24 bit
691 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
526#if XFT 693#if XFT
527 XColor xc; 694 XRenderPictFormat *format;
528 695
529 xc.pixel = p; 696 // FUCKING Xft gets it wrong, of course, so work around it.
530 if (!XQueryColor (display->display, display->cmap, &xc)) 697 // Transparency users should eat shit and die, and then
531 return false; 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;
532 707
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 {
533 XRenderColor d; 723 XRenderColor d;
534 724
535 d.red = xc.red; 725 d.red = color.r;
536 d.green = xc.green; 726 d.green = color.g;
537 d.blue = xc.blue; 727 d.blue = color.b;
538 d.alpha = 0xffff; 728 d.alpha = alpha;
539 729
540 return 730 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
541 XftColorAllocValue (display->display, 731 }
542 display->visual,
543 display->cmap,
544 &d, &c);
545#else 732#else
546 this->p = p; 733 c.red = color.r;
547#endif 734 c.green = color.g;
735 c.blue = color.b;
548 736
737 if (screen->visual->c_class == TrueColor)
738 {
739 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
740 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
741 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
742
743 return true;
744 }
745 else if (XAllocColor (screen->dpy, screen->cmap, &c))
549 return true; 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;
550} 754}
551 755
552bool 756bool
553rxvt_color::set (rxvt_display *display, const char *name) 757rxvt_color::set (rxvt_screen *screen, const char *name)
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)
554{ 847{
555#if XFT 848#if XFT
556 return XftColorAllocName (display->display, display->visual, display->cmap, 849 color.r = c.color.red;
557 name, &c); 850 color.g = c.color.green;
851 color.b = c.color.blue;
852 color.a = c.color.alpha;
558#else 853#else
559 XColor xc; 854 color.r = c.red;
855 color.g = c.green;
856 color.b = c.blue;
857 color.a = rgba::MAX_CC;
858#endif
859}
560 860
561 if (XParseColor (display->display, display->cmap, name, &xc)) 861void
562 return set (display, xc.red, xc.green, xc.blue); 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
874rxvt_color::free (rxvt_screen *screen)
875{
876 if (screen->visual->c_class == TrueColor)
877 return; // nothing to do
878
879#if XFT
880 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
881#else
882 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
883#endif
884}
885
886void
887rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
888{
889 rgba c;
890 get (c);
891
892 result.set (
893 screen,
894 rgba (
895 lerp (c.r, to.r, percent),
896 lerp (c.g, to.g, percent),
897 lerp (c.b, to.b, percent),
898 lerp (c.a, to.a, percent)
899 )
900 );
901}
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}
917
918void
919rxvt_selection::stop ()
920{
921 free (incr_buf);
922 incr_buf = 0;
923 timer_ev.stop ();
924 x_ev.stop (display);
925}
926
927rxvt_selection::~rxvt_selection ()
928{
929 stop ();
930}
931
932void
933rxvt_selection::run ()
934{
935 int selnum = selection_type;
936
937#if ENABLE_FRILLS
938 if (selnum == Sel_Primary && display->selection_owner)
939 {
940 /* internal selection */
941 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
942 finish (str, strlen (str));
943 free (str);
944 return;
945 }
946#endif
947
948#if X_HAVE_UTF8_STRING
949 selection_type = Sel_UTF8String;
950 if (request (display->xa[XA_UTF8_STRING], selnum))
951 return;
952#else
953 selection_type = Sel_CompoundText;
954 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
955 return;
956#endif
957
958 // fallback to CUT_BUFFER0 if the requested property has no owner
959 handle_selection (display->root, XA_CUT_BUFFER0, false);
960}
961
962void
963rxvt_selection::finish (char *data, unsigned int len)
964{
965 if (term)
966 {
967 if (data)
968 term->paste (data, len);
969
970 term->selection_req = 0;
971 delete this;
972 }
973#if ENABLE_PERL
974 else
975 {
976 stop (); // we do not really trust perl callbacks
977 rxvt_perl.selection_finish (this, data, len);
978 }
979#endif
980}
981
982bool
983rxvt_selection::request (Atom target, int selnum)
984{
985 Atom sel;
986
987 selection_type |= selnum;
988
989 if (selnum == Sel_Primary)
990 sel = XA_PRIMARY;
991 else if (selnum == Sel_Secondary)
992 sel = XA_SECONDARY;
993 else
994 sel = display->xa[XA_CLIPBOARD];
995
996 if (XGetSelectionOwner (display->dpy, sel) != None)
997 {
998 XConvertSelection (display->dpy, sel, target, request_prop,
999 request_win, request_time);
1000 x_ev.start (display, request_win);
1001 timer_ev.again ();
1002 return true;
1003 }
563 1004
564 return false; 1005 return false;
565#endif
566} 1006}
567 1007
568bool
569rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
570{
571 XColor xc;
572
573 xc.red = cr;
574 xc.green = cg;
575 xc.blue = cb;
576 xc.flags = DoRed | DoGreen | DoBlue;
577
578 if (XAllocColor (display->display, display->cmap, &xc))
579 return set (display, xc.pixel);
580
581 return false;
582}
583
584void 1008void
585rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1009rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
586{ 1010{
587#if XFT 1011 Display *dpy = display->dpy;
588 cr = c.color.red; 1012 char *data = 0;
589 cg = c.color.green; 1013 unsigned int data_len = 0;
590 cb = c.color.blue; 1014 unsigned long bytes_after;
591#else 1015 XTextProperty ct;
592 XColor c;
593 1016
594 c.pixel = p; 1017 // check for failed XConvertSelection
595 XQueryColor (display->display, display->cmap, &c); 1018 if (prop == None)
1019 {
1020 bool error = true;
1021 int selnum = selection_type & Sel_whereMask;
596 1022
597 cr = c.red; 1023 if (selection_type & Sel_CompoundText)
598 cg = c.green; 1024 {
599 cb = c.blue; 1025 selection_type = 0;
600#endif 1026 error = !request (XA_STRING, selnum);
601} 1027 }
602 1028
1029 if (selection_type & Sel_UTF8String)
1030 {
1031 selection_type = Sel_CompoundText;
1032 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1033 }
1034
1035 if (error)
1036 {
1037 ct.value = 0;
1038 goto bailout;
1039 }
1040
1041 return;
1042 }
1043
1044 // length == (2^31 - 1) / 4, as gdk
1045 if (XGetWindowProperty (dpy, win, prop,
1046 0, 0x1fffffff,
1047 delete_prop, AnyPropertyType,
1048 &ct.encoding, &ct.format,
1049 &ct.nitems, &bytes_after,
1050 &ct.value) != Success)
1051 {
1052 ct.value = 0;
1053 goto bailout;
1054 }
1055
1056 if (ct.encoding == None)
1057 goto bailout;
1058
1059 if (ct.value == 0)
1060 goto bailout;
1061
1062 if (ct.encoding == display->xa[XA_INCR])
1063 {
1064 // INCR selection, start handshake
1065 if (!delete_prop)
1066 XDeleteProperty (dpy, win, prop);
1067
1068 selection_wait = Sel_incr;
1069 timer_ev.again ();
1070
1071 goto bailout;
1072 }
1073
1074 if (ct.nitems == 0)
1075 {
1076 if (selection_wait == Sel_incr)
1077 {
1078 XFree (ct.value);
1079
1080 // finally complete, now paste the whole thing
1081 selection_wait = Sel_normal;
1082 ct.value = (unsigned char *)incr_buf;
1083 ct.nitems = incr_buf_fill;
1084 incr_buf = 0;
1085 timer_ev.stop ();
1086 }
1087 else
1088 {
1089 // avoid recursion
1090 if (win != display->root || prop != XA_CUT_BUFFER0)
1091 {
1092 XFree (ct.value);
1093
1094 // fallback to CUT_BUFFER0 if the requested property
1095 // has an owner but is empty
1096 handle_selection (display->root, XA_CUT_BUFFER0, False);
1097 return;
1098 }
1099
1100 goto bailout;
1101 }
1102 }
1103 else if (selection_wait == Sel_incr)
1104 {
1105 timer_ev.again ();
1106
1107 while (incr_buf_fill + ct.nitems > incr_buf_size)
1108 {
1109 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1110 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1111 }
1112
1113 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1114 incr_buf_fill += ct.nitems;
1115
1116 goto bailout;
1117 }
1118
1119 char **cl;
1120 int cr;
1121
1122 // we honour the first item only
1123
1124#if !ENABLE_MINIMAL
1125 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1126 // so recode it manually
1127 if (ct.encoding == display->xa[XA_UTF8_STRING])
1128 {
1129 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1130 data = rxvt_wcstombs (w);
1131 free (w);
1132 }
1133 else
1134#endif
1135 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1136 && cl)
1137 {
1138 data = strdup (cl[0]);
1139 XFreeStringList (cl);
1140 }
1141 else
1142 {
1143 // paste raw
1144 data = strdup ((const char *)ct.value);
1145 }
1146
1147 data_len = strlen (data);
1148
1149bailout:
1150 XFree (ct.value);
1151
1152 if (selection_wait == Sel_normal)
1153 {
1154 finish (data, data_len);
1155 free (data);
1156 }
1157}
1158
603void 1159void
604rxvt_color::free (rxvt_display *display) 1160rxvt_selection::timer_cb (ev::timer &w, int revents)
605{ 1161{
606#if XFT 1162 if (selection_wait == Sel_incr)
607 XftColorFree (display->display, display->visual, display->cmap, &c); 1163 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
608#else
609 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
610#endif
611}
612 1164
613rxvt_color 1165 finish ();
614rxvt_color::fade (rxvt_display *display, int percent)
615{
616 percent = 100 - percent;
617
618 unsigned short cr, cg, cb;
619 rxvt_color faded;
620
621 get (display, cr, cg, cb);
622
623 faded.set (
624 display,
625 cr * percent / 100,
626 cg * percent / 100,
627 cb * percent / 100
628 );
629
630 return faded;
631} 1166}
632 1167
633#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1168void
634 1169rxvt_selection::x_cb (XEvent &xev)
635rxvt_color
636rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
637{ 1170{
638 percent = 100 - percent; 1171 switch (xev.type)
1172 {
1173 case PropertyNotify:
1174 if (selection_wait == Sel_incr
1175 && xev.xproperty.atom == request_prop
1176 && xev.xproperty.state == PropertyNewValue)
1177 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1178 break;
639 1179
640 unsigned short cr, cg, cb; 1180 case SelectionNotify:
641 unsigned short fcr, fcg, fcb; 1181 if (selection_wait == Sel_normal
642 rxvt_color faded; 1182 && xev.xselection.time == request_time)
643 1183 {
644 get (display, cr, cg, cb); 1184 timer_ev.stop ();
645 fadeto.get(display, fcr, fcg, fcb); 1185 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
646 1186 }
647 faded.set ( 1187 break;
648 display, 1188 }
649 LERP (cr, fcr, percent),
650 LERP (cg, fcg, percent),
651 LERP (cb, fcb, percent)
652 );
653
654 return faded;
655} 1189}
656

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