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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.28 by root, Sun Jan 29 20:51:28 2006 UTC vs.
Revision 1.124 by sf-exg, Thu Apr 21 00:16:25 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
182void 252void
183rxvt_screen::set (rxvt_display *disp) 253rxvt_screen::set (rxvt_display *disp)
184{ 254{
185 display = disp; 255 display = disp;
186 xdisp = disp->display; 256 dpy = disp->dpy;
187 257
188 Screen *screen = ScreenOfDisplay (xdisp, disp->screen); 258 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
189 259
190 depth = DefaultDepthOfScreen (screen); 260 depth = DefaultDepthOfScreen (screen);
191 visual = DefaultVisualOfScreen (screen); 261 visual = DefaultVisualOfScreen (screen);
192 cmap = DefaultColormapOfScreen (screen); 262 cmap = DefaultColormapOfScreen (screen);
193} 263}
194 264
195void 265void
196rxvt_screen::set (rxvt_display *disp, int bitdepth) 266rxvt_screen::select_visual (int bitdepth)
197{ 267{
198 set (disp); 268#if XFT
199
200 XVisualInfo vinfo; 269 XVisualInfo vinfo;
201 270
202 if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) 271 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
203 { 272 {
204 depth = bitdepth; 273 depth = bitdepth;
205 visual = vinfo.visual; 274 visual = vinfo.visual;
206 cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); 275 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
207 } 276 }
277#endif
208} 278}
209 279
210void 280void
211rxvt_screen::clear () 281rxvt_screen::clear ()
212{ 282{
283#if XFT
284 if (scratch_area)
285 {
286 XFreePixmap (dpy, scratch_area->drawable);
287 delete scratch_area;
288 }
289#endif
290
213 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) 291 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
214 XFreeColormap (xdisp, cmap); 292 XFreeColormap (dpy, cmap);
215} 293}
216 294
217///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
218 296
219rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
220: refcounted (id) 298: refcounted (id)
221, x_ev (this, &rxvt_display::x_cb)
222, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
223{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
224} 304}
225 305
226XrmDatabase 306XrmDatabase
227rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
228{ 308{
229 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
230 char fname[1024]; 310 char fname[1024];
231 311
232 /* 312 /*
233 * get resources using the X library function 313 * get resources using the X library function
234 */ 314 */
235 char *displayResource, *xe; 315 char *displayResource, *xe;
236 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
237 317
238 database = NULL; 318#if !XLIB_ILLEGAL_ACCESS
319 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
320 database = XrmGetStringDatabase ("");
321#endif
239 322
240 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 323 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
324 // as opposed to "standard practise", we always read in ~/.Xdefaults
241 325
242 // 6. System wide per application default file. 326 // 6. System wide per application default file.
243 327
244 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
245 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
246 { 330 {
247 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
248 332
249 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
250 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
252 336
253 // 5. User's per application default file. 337 // 5. User's per application default file.
254 // none 338 // none
255 339
256 // 4. User's defaults file. 340 // 4. User's defaults file.
341 if (homedir)
342 {
343 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
344
345 if ((rdb1 = XrmGetFileDatabase (fname)))
346 XrmMergeDatabases (rdb1, &database);
347 }
348
257 /* Get any Xserver defaults */ 349 /* Get any Xserver defaults */
350 if (refresh)
351 {
352 // fucking xlib keeps a copy of the rm string
353 Atom actual_type;
354 int actual_format;
355 unsigned long nitems, nremaining;
356 char *val = 0;
357
358#if XLIB_ILLEGAL_ACCESS
359 if (dpy->xdefaults)
360 XFree (dpy->xdefaults);
361#endif
362
363 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
364 0L, 100000000L, False,
365 XA_STRING, &actual_type, &actual_format,
366 &nitems, &nremaining,
367 (unsigned char **)&val) == Success
368 && actual_type == XA_STRING
369 && actual_format == 8)
370 displayResource = val;
371 else
372 {
373 displayResource = 0;
374
375 if (val)
376 XFree (val);
377 }
378
379#if XLIB_ILLEGAL_ACCESS
380 dpy->xdefaults = displayResource;
381#endif
382 }
383 else
258 displayResource = XResourceManagerString (display); 384 displayResource = XResourceManagerString (dpy);
259 385
260 if (displayResource != NULL) 386 if (displayResource)
261 { 387 {
262 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
263 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
264 } 390 }
265 else if (homedir)
266 {
267 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
268 391
269 if ((rdb1 = XrmGetFileDatabase (fname))) 392#if !XLIB_ILLEGAL_ACCESS
270 XrmMergeDatabases (rdb1, &database); 393 if (refresh && displayResource)
271 } 394 XFree (displayResource);
395#endif
272 396
273 /* Get screen specific resources */ 397 /* Get screen specific resources */
274 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
275 399
276 if (displayResource != NULL) 400 if (displayResource)
277 { 401 {
278 if ((rdb1 = XrmGetStringDatabase (displayResource))) 402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
279 /* Merge with screen-independent resources */ 403 /* Merge with screen-independent resources */
280 XrmMergeDatabases (rdb1, &database); 404 XrmMergeDatabases (rdb1, &database);
281 405
282 XFree (displayResource); 406 XFree (displayResource);
283 } 407 }
284 408
285 // 3. User's per host defaults file 409 // 3. User's per host defaults file
286 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
287 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
288 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
289 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
290 else if (homedir) 414 else if (homedir)
291 { 415 {
292 struct utsname un; 416 struct utsname un;
… …
306bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
307{ 431{
308#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
309 if (id[0] == ':') 433 if (id[0] == ':')
310 { 434 {
311 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
312 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
313 strcat (val, id); 438 strcat (val, id);
314 display = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
315 free (val);
316 } 440 }
317 else 441 else
318#endif 442#endif
319 display = 0; 443 dpy = 0;
320 444
321 if (!display) 445 if (!dpy)
322 display = XOpenDisplay (id); 446 dpy = XOpenDisplay (id);
323 447
324 if (!display) 448 if (!dpy)
325 return false; 449 return false;
326 450
327 screen = DefaultScreen (display); 451 screen = DefaultScreen (dpy);
328 root = DefaultRootWindow (display); 452 root = DefaultRootWindow (dpy);
329 453
330 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); 454 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
331 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); 455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
332 456
333 XrmSetDatabase (display, get_resources ()); 457 XrmSetDatabase (dpy, get_resources (false));
334 458
335#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
336 XColor blackcolour; 460 XColor blackcolour;
337 blackcolour.red = 0; 461 blackcolour.red = 0;
338 blackcolour.green = 0; 462 blackcolour.green = 0;
339 blackcolour.blue = 0; 463 blackcolour.blue = 0;
340 Font f = XLoadFont (display, "fixed"); 464 Font f = XLoadFont (dpy, "fixed");
341 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
342 &blackcolour, &blackcolour); 466 &blackcolour, &blackcolour);
343 XUnloadFont (display, f); 467 XUnloadFont (dpy, f);
344#endif 468#endif
345 469
346 int fd = XConnectionNumber (display); 470 int fd = XConnectionNumber (dpy);
347 471
348#ifndef NO_SLOW_LINK_SUPPORT
349 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
350 // assume unix domains socket == local, everything else not 473 // assume unix domain socket == local, everything else not
351 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
352 is_local = 0; 475 is_local = 0;
353 sockaddr_un sa; 476 sockaddr_un sa;
354 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
355 478
356 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
357 is_local = sa.sun_family == AF_LOCAL; 480 is_local = sa.sun_family == AF_UNIX;
358#endif
359 481
482 flush_ev.start ();
360 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
361 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
362 485
363 XSelectInput (display, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
364 487
365 flush (); 488 flush ();
366 489
367 return true; 490 return true;
368} 491}
369 492
370void 493void
371rxvt_display::ref_next () 494rxvt_display::ref_next ()
372{ 495{
373 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
374 // before re-loading/parsing 497 // before affording re-loading/parsing
375 XrmDestroyDatabase (XrmGetDatabase (display)); 498 XrmDestroyDatabase (XrmGetDatabase (dpy));
499#if XLIB_ILLEGAL_ACCESS
500 /* work around a bug in XrmSetDatabase where it frees the db */
501 dpy->db = 0;
502#endif
376 XrmSetDatabase (display, get_resources ()); 503 XrmSetDatabase (dpy, get_resources (true));
377} 504}
378 505
379rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
380{ 507{
381 if (!display) 508 if (!dpy)
382 return; 509 return;
383 510
384#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
385 XFreeCursor (display, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
386#endif 513#endif
387 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
388#ifdef USE_XIM 516#ifdef USE_XIM
389 xims.clear (); 517 xims.clear ();
390#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
391 XCloseDisplay (display); 520 XCloseDisplay (dpy);
392} 521}
393 522
394#ifdef USE_XIM 523#ifdef USE_XIM
395void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
396{ 525{
… …
404 // registers, as xlib crashes due to a race otherwise. 533 // registers, as xlib crashes due to a race otherwise.
405 Atom actual_type, *atoms; 534 Atom actual_type, *atoms;
406 int actual_format; 535 int actual_format;
407 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
408 537
409 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
410 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
411 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
412 != Success ) 541 != Success)
413 return; 542 return;
414 543
415 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
416 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
417 if (XGetSelectionOwner (display, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
418 { 547 {
419 im_change_cb (); 548 im_change_cb ();
420 break; 549 break;
421 } 550 }
422 551
423 XFree (atoms); 552 XFree (atoms);
424} 553}
425#endif 554#endif
426 555
427void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
428{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
429 do 564 do
430 { 565 {
431 XEvent xev; 566 XEvent xev;
432 XNextEvent (display, &xev); 567 XNextEvent (dpy, &xev);
433 568
434#ifdef USE_XIM 569#ifdef USE_XIM
435 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
436 { 571 {
437 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
438 && xev.xany.window == root 573 && xev.xany.window == root
439 && xev.xproperty.atom == xa[XA_XIM_SERVERS]) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
440 im_change_check (); 575 im_change_check ();
441#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
442 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
443 { 581 {
444 if (!xw[i]) 582 if (!xw[i])
445 xw.erase_unordered (i); 583 xw.erase_unordered (i);
446 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
447 xw[i]->call (xev); 585 xw[i]->call (xev);
448 } 586 }
449#ifdef USE_XIM 587#ifdef USE_XIM
450 } 588 }
451#endif 589#endif
452 } 590 }
453 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
454 592
455 XFlush (display); 593 w.stop ();
456}
457
458void rxvt_display::flush ()
459{
460 if (XEventsQueued (display, QueuedAlready))
461 x_cb (x_ev, EVENT_READ);
462
463 XFlush (display);
464} 594}
465 595
466void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
467{ 597{
598 if (!w->active)
599 {
468 xw.push_back (w); 600 xw.push_back (w);
469 w->active = xw.size (); 601 w->active = xw.size ();
602 }
470} 603}
471 604
472void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
473{ 606{
474 if (w->active) 607 if (w->active)
608 {
475 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
476} 612}
477 613
478void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
479{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
480 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
481 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
482 624
483 selection_owner = owner; 625 cur_owner = owner;
484} 626}
485 627
486#ifdef USE_XIM 628#ifdef USE_XIM
629
487void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
488{ 631{
489 imw.push_back (w); 632 imw.push_back (w);
490} 633}
491 634
… …
500 int l, m; 643 int l, m;
501 644
502 l = strlen (locale); 645 l = strlen (locale);
503 m = strlen (modifiers); 646 m = strlen (modifiers);
504 647
505 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
506 return 0; 649 return 0;
507 650
508 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
509 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
510 653
511 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
512 655
513 free (id);
514
515 return xim; 656 return xim;
516} 657}
517 658
518void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
519{ 660{
520#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
521 xims.put (xim); 662 xims.put (xim);
522#endif 663# endif
523} 664}
665
524#endif 666#endif
525 667
526Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
527{ 669{
528 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
529} 671}
530 672
531///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
532 674
533template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
534refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
535 677
536///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
537 679//
680
681static unsigned int
682insert_component (unsigned int value, unsigned int mask, unsigned int shift)
683{
684 return (value * (mask + 1) >> 16) << shift;
685}
686
687bool
688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
689{
690 //TODO: only supports 24 bit
691 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 // ARGB visuals use premultiplied alpha
709 if (format->direct.alphaMask)
710 {
711 c.color.red = c.color.red * alpha / 0xffff;
712 c.color.green = c.color.green * alpha / 0xffff;
713 c.color.blue = c.color.blue * alpha / 0xffff;
714 }
715
716 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
717 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
718 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
719 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
720
721 return true;
722 }
723 else
724 {
725 XRenderColor d;
726
727 d.red = color.r;
728 d.green = color.g;
729 d.blue = color.b;
730 d.alpha = alpha;
731
732 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
733 }
734#else
735 c.red = color.r;
736 c.green = color.g;
737 c.blue = color.b;
738
739 if (screen->visual->c_class == TrueColor)
740 {
741 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
742 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
743 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
744
745 return true;
746 }
747 else if (XAllocColor (screen->dpy, screen->cmap, &c))
748 return true;
749 else
750 c.pixel = (color.r + color.g + color.b) > 128*3
751 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
752 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
753#endif
754
755 return false;
756}
757
538bool 758bool
539rxvt_color::set (rxvt_screen *screen, const char *name) 759rxvt_color::set (rxvt_screen *screen, const char *name)
540{ 760{
761 rgba c;
762 char eos;
763 int skip;
764
765 c.a = rgba::MAX_CC;
766
767 // parse the nonstandard "[alphapercent]" prefix
768 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
769 {
770 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
771 name += skip;
772 }
773
774 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
775 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
776 {
777 XColor xc;
778
779 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
780 {
781 c.r = xc.red;
782 c.g = xc.green;
783 c.b = xc.blue;
784 }
785 else
786 {
787 c.r = 0xffff;
788 c.g = 0x6969;
789 c.b = 0xb4b4;
790
791 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
792 }
793 }
794
795 return set (screen, c);
796}
797
798bool
799rxvt_color::set (rxvt_screen *screen, const rgba &color)
800{
801 bool got = alloc (screen, color);
802
803#if !ENABLE_MINIMAL
804 int cmap_size = screen->visual->map_entries;
805
806 if (!got
807 && screen->visual->c_class == PseudoColor
808 && cmap_size < 4096)
809 {
810 XColor *colors = new XColor [screen->visual->map_entries];
811
812 for (int i = 0; i < cmap_size; i++)
813 colors [i].pixel = i;
814
815 // many kilobytes transfer per colour, but pseudocolor isn't worth
816 // many extra optimisations.
817 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
818
819 int diff = 0x7fffffffUL;
820 XColor *best = colors;
821
822 for (int i = 0; i < cmap_size; i++)
823 {
824 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
825 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
826 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
827
828 if (d < diff)
829 {
830 diff = d;
831 best = colors + i;
832 }
833 }
834
835 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
836 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
837
838 got = alloc (screen, rgba (best->red, best->green, best->blue));
839
840 delete [] colors;
841 }
842#endif
843
844 return got;
845}
846
847void
848rxvt_color::get (rgba &color)
849{
541#if XFT 850#if XFT
542 int l = strlen (name); 851 color.r = c.color.red;
543 rxvt_rgba r; 852 color.g = c.color.green;
544 char eos; 853 color.b = c.color.blue;
545 int mult; 854 color.a = c.color.alpha;
546
547 if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
548 mult = 0x1111;
549 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
550 mult = 0x0101;
551 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
552 mult = 0x0001;
553 else
554 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
555
556 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
557 return set (screen, r);
558#else 855#else
559 XColor xc; 856 color.r = c.red;
560 857 color.g = c.green;
561 if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) 858 color.b = c.blue;
562 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue)); 859 color.a = rgba::MAX_CC;
563
564 return false;
565#endif 860#endif
566} 861}
567 862
568bool 863void
864rxvt_color::get (XColor &color)
865{
866 rgba c;
867 get (c);
868
869 color.red = c.r;
870 color.green = c.g;
871 color.blue = c.b;
872 color.pixel = (Pixel)*this;
873}
874
875void
569rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba) 876rxvt_color::free (rxvt_screen *screen)
570{ 877{
878 if (screen->visual->c_class == TrueColor)
879 return; // nothing to do
880
571#if XFT 881#if XFT
572 XRenderColor d;
573
574 d.red = rgba.r;
575 d.green = rgba.g;
576 d.blue = rgba.b;
577 d.alpha = rgba.a;
578
579 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); 882 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
580#else 883#else
581 XColor xc;
582
583 xc.red = rgba.r;
584 xc.green = rgba.g;
585 xc.blue = rgba.b;
586 xc.flags = DoRed | DoGreen | DoBlue;
587
588 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
589 {
590 p = xc.pixel;
591 return true;
592 }
593
594 return false;
595#endif
596}
597
598void
599rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
600{
601#if XFT
602 rgba.r = c.color.red;
603 rgba.g = c.color.green;
604 rgba.b = c.color.blue;
605 rgba.a = c.color.alpha;
606#else
607 XColor c;
608
609 c.pixel = p;
610 XQueryColor (screen->xdisp, screen->cmap, &c);
611
612 rgba.r = c.red;
613 rgba.g = c.green;
614 rgba.b = c.blue;
615 rgba.a = rxvt_rgba::MAX_CC;
616#endif
617}
618
619void
620rxvt_color::free (rxvt_screen *screen)
621{
622#if XFT
623 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
624#else
625 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 884 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
626#endif 885#endif
627} 886}
628 887
629rxvt_color 888void
630rxvt_color::fade (rxvt_screen *screen, int percent)
631{
632 rxvt_color faded;
633
634 rxvt_rgba c;
635 get (screen, c);
636
637 c.r = lerp (0, c.r, percent);
638 c.g = lerp (0, c.g, percent);
639 c.b = lerp (0, c.b, percent);
640
641 faded.set (screen, c);
642
643 return faded;
644}
645
646rxvt_color
647rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto) 889rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
648{ 890{
649 rxvt_rgba c, fc; 891 rgba c;
650 rxvt_color faded; 892 get (c);
651
652 get (screen, c);
653 fadeto.get (screen, fc);
654 893
655 faded.set ( 894 result.set (
656 screen, 895 screen,
657 rxvt_rgba ( 896 rgba (
658 lerp (fc.r, c.r, percent), 897 lerp (c.r, to.r, percent),
659 lerp (fc.g, c.g, percent), 898 lerp (c.g, to.g, percent),
660 lerp (fc.b, c.b, percent), 899 lerp (c.b, to.b, percent),
661 lerp (fc.a, c.a, percent) 900 lerp (c.a, to.a, percent)
662 ) 901 )
663 ); 902 );
903}
664 904
905rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
906: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
907{
908 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
909
910 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
911 timer_ev.repeat = 10.;
912 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
913
914 incr_buf = 0;
915 incr_buf_size = incr_buf_fill = 0;
916 selection_wait = Sel_normal;
917 selection_type = selnum;
918}
919
920void
921rxvt_selection::stop ()
922{
923 free (incr_buf);
924 incr_buf = 0;
925 timer_ev.stop ();
926 x_ev.stop (display);
927}
928
929rxvt_selection::~rxvt_selection ()
930{
931 stop ();
932}
933
934void
935rxvt_selection::run ()
936{
937 int selnum = selection_type;
938
939#if ENABLE_FRILLS
940 if (selnum == Sel_Primary && display->selection_owner)
941 {
942 /* internal selection */
943 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
944 finish (str, strlen (str));
945 free (str);
946 return;
947 }
948#endif
949
950#if X_HAVE_UTF8_STRING
951 selection_type = Sel_UTF8String;
952 if (request (display->xa[XA_UTF8_STRING], selnum))
953 return;
954#else
955 selection_type = Sel_CompoundText;
956 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
957 return;
958#endif
959
960 // fallback to CUT_BUFFER0 if the requested property has no owner
961 handle_selection (display->root, XA_CUT_BUFFER0, false);
962}
963
964void
965rxvt_selection::finish (char *data, unsigned int len)
966{
967 if (term)
968 {
969 if (data)
970 term->paste (data, len);
971
972 term->selection_req = 0;
973 delete this;
974 }
975#if ENABLE_PERL
976 else
977 {
978 stop (); // we do not really trust perl callbacks
979 rxvt_perl.selection_finish (this, data, len);
980 }
981#endif
982}
983
984bool
985rxvt_selection::request (Atom target, int selnum)
986{
987 Atom sel;
988
989 selection_type |= selnum;
990
991 if (selnum == Sel_Primary)
992 sel = XA_PRIMARY;
993 else if (selnum == Sel_Secondary)
994 sel = XA_SECONDARY;
995 else
996 sel = display->xa[XA_CLIPBOARD];
997
998 if (XGetSelectionOwner (display->dpy, sel) != None)
999 {
1000 XConvertSelection (display->dpy, sel, target, request_prop,
1001 request_win, request_time);
1002 x_ev.start (display, request_win);
1003 timer_ev.again ();
1004 return true;
1005 }
1006
665 return faded; 1007 return false;
666} 1008}
667 1009
1010void
1011rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
1012{
1013 Display *dpy = display->dpy;
1014 char *data = 0;
1015 unsigned int data_len = 0;
1016 unsigned long bytes_after;
1017 XTextProperty ct;
1018
1019 // check for failed XConvertSelection
1020 if (prop == None)
1021 {
1022 bool error = true;
1023 int selnum = selection_type & Sel_whereMask;
1024
1025 if (selection_type & Sel_CompoundText)
1026 {
1027 selection_type = 0;
1028 error = !request (XA_STRING, selnum);
1029 }
1030
1031 if (selection_type & Sel_UTF8String)
1032 {
1033 selection_type = Sel_CompoundText;
1034 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1035 }
1036
1037 if (error)
1038 {
1039 ct.value = 0;
1040 goto bailout;
1041 }
1042
1043 return;
1044 }
1045
1046 // length == (2^31 - 1) / 4, as gdk
1047 if (XGetWindowProperty (dpy, win, prop,
1048 0, 0x1fffffff,
1049 delete_prop, AnyPropertyType,
1050 &ct.encoding, &ct.format,
1051 &ct.nitems, &bytes_after,
1052 &ct.value) != Success)
1053 {
1054 ct.value = 0;
1055 goto bailout;
1056 }
1057
1058 if (ct.encoding == None)
1059 goto bailout;
1060
1061 if (ct.value == 0)
1062 goto bailout;
1063
1064 if (ct.encoding == display->xa[XA_INCR])
1065 {
1066 // INCR selection, start handshake
1067 if (!delete_prop)
1068 XDeleteProperty (dpy, win, prop);
1069
1070 selection_wait = Sel_incr;
1071 timer_ev.again ();
1072
1073 goto bailout;
1074 }
1075
1076 if (ct.nitems == 0)
1077 {
1078 if (selection_wait == Sel_incr)
1079 {
1080 XFree (ct.value);
1081
1082 // finally complete, now paste the whole thing
1083 selection_wait = Sel_normal;
1084 ct.value = (unsigned char *)incr_buf;
1085 ct.nitems = incr_buf_fill;
1086 incr_buf = 0;
1087 timer_ev.stop ();
1088 }
1089 else
1090 {
1091 // avoid recursion
1092 if (win != display->root || prop != XA_CUT_BUFFER0)
1093 {
1094 XFree (ct.value);
1095
1096 // fallback to CUT_BUFFER0 if the requested property
1097 // has an owner but is empty
1098 handle_selection (display->root, XA_CUT_BUFFER0, False);
1099 return;
1100 }
1101
1102 goto bailout;
1103 }
1104 }
1105 else if (selection_wait == Sel_incr)
1106 {
1107 timer_ev.again ();
1108
1109 while (incr_buf_fill + ct.nitems > incr_buf_size)
1110 {
1111 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1112 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1113 }
1114
1115 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1116 incr_buf_fill += ct.nitems;
1117
1118 goto bailout;
1119 }
1120
1121 char **cl;
1122 int cr;
1123
1124 // we honour the first item only
1125
1126#if !ENABLE_MINIMAL
1127 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1128 // so recode it manually
1129 if (ct.encoding == display->xa[XA_UTF8_STRING])
1130 {
1131 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1132 data = rxvt_wcstombs (w);
1133 free (w);
1134 }
1135 else
1136#endif
1137 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1138 && cl)
1139 {
1140 data = strdup (cl[0]);
1141 XFreeStringList (cl);
1142 }
1143 else
1144 {
1145 // paste raw
1146 data = strdup ((const char *)ct.value);
1147 }
1148
1149 data_len = strlen (data);
1150
1151bailout:
1152 XFree (ct.value);
1153
1154 if (selection_wait == Sel_normal)
1155 {
1156 finish (data, data_len);
1157 free (data);
1158 }
1159}
1160
1161void
1162rxvt_selection::timer_cb (ev::timer &w, int revents)
1163{
1164 if (selection_wait == Sel_incr)
1165 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
1166
1167 finish ();
1168}
1169
1170void
1171rxvt_selection::x_cb (XEvent &xev)
1172{
1173 switch (xev.type)
1174 {
1175 case PropertyNotify:
1176 if (selection_wait == Sel_incr
1177 && xev.xproperty.atom == request_prop
1178 && xev.xproperty.state == PropertyNewValue)
1179 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1180 break;
1181
1182 case SelectionNotify:
1183 if (selection_wait == Sel_normal
1184 && xev.xselection.time == request_time
1185 && xev.xselection.property == request_prop)
1186 {
1187 timer_ev.stop ();
1188 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1189 }
1190 break;
1191 }
1192}

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