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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.24 by root, Wed Jan 25 00:42:21 2006 UTC vs.
Revision 1.120 by root, Mon Feb 21 07:18:19 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>
34
35#if XFT
36# include <X11/extensions/Xrender.h>
37#endif
38
39static const char *const xa_names[] =
40{
41 "TEXT",
42 "COMPOUND_TEXT",
43 "UTF8_STRING",
44 "MULTIPLE",
45 "TARGETS",
46 "TIMESTAMP",
47 "VT_SELECTION",
48 "INCR",
49 "WM_PROTOCOLS",
50 "WM_DELETE_WINDOW",
51 "CLIPBOARD",
52 "AVERAGE_WIDTH",
53 "WEIGHT_NAME",
54 "SLANT",
55 "CHARSET_REGISTRY",
56 "CHARSET_ENCODING",
57#if ENABLE_FRILLS
58 "_MOTIF_WM_HINTS",
59#endif
60#if ENABLE_EWMH
61 "_NET_WM_PID",
62 "_NET_WM_NAME",
63 "_NET_WM_ICON_NAME",
64 "_NET_WM_PING",
65 "_NET_WM_ICON",
66#endif
67#if USE_XIM
68 "WM_LOCALE_NAME",
69 "XIM_SERVERS",
70#endif
71#ifdef ENABLE_TRANSPARENCY
72 "_XROOTPMAP_ID",
73 "ESETROOT_PMAP_ID",
74#endif
75#if ENABLE_XEMBED
76 "_XEMBED",
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",
35#endif 92# endif
93#endif
94};
95
96/////////////////////////////////////////////////////////////////////////////
36 97
37refcounted::refcounted (const char *id) 98refcounted::refcounted (const char *id)
38{ 99{
39 this->id = strdup (id); 100 this->id = strdup (id);
40} 101}
… …
115bool 176bool
116rxvt_xim::ref_init () 177rxvt_xim::ref_init ()
117{ 178{
118 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
119 180
120 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
121 182
122 if (!xim) 183 if (!xim)
123 return false; 184 return false;
124 185
125 XIMCallback ximcallback; 186 XIMCallback ximcallback;
126 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
127 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
128 189
129 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
130 191
131 return true; 192 return true;
132} 193}
133 194
134rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
… …
139 200
140#endif 201#endif
141 202
142///////////////////////////////////////////////////////////////////////////// 203/////////////////////////////////////////////////////////////////////////////
143 204
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
144rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
145: refcounted (id) 298: refcounted (id)
146, x_ev (this, &rxvt_display::x_cb)
147, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
148{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
149} 304}
150 305
151XrmDatabase 306XrmDatabase
152rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
153{ 308{
154 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
155 char fname[1024]; 310 char fname[1024];
156 311
157 /* 312 /*
158 * get resources using the X library function 313 * get resources using the X library function
159 */ 314 */
160 char *displayResource, *xe; 315 char *displayResource, *xe;
161 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
162 317
163 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
164 322
165 // 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
166 325
167 // 6. System wide per application default file. 326 // 6. System wide per application default file.
168 327
169 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
170 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
171 { 330 {
172 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
173 332
174 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
175 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
177 336
178 // 5. User's per application default file. 337 // 5. User's per application default file.
179 // none 338 // none
180 339
181 // 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
182 /* 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
183 displayResource = XResourceManagerString (display); 384 displayResource = XResourceManagerString (dpy);
184 385
185 if (displayResource != NULL) 386 if (displayResource)
186 { 387 {
187 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
188 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
189 } 390 }
190 else if (homedir)
191 {
192 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
193 391
194 if ((rdb1 = XrmGetFileDatabase (fname))) 392#if !XLIB_ILLEGAL_ACCESS
195 XrmMergeDatabases (rdb1, &database); 393 if (refresh && displayResource)
196 } 394 XFree (displayResource);
395#endif
197 396
198 /* Get screen specific resources */ 397 /* Get screen specific resources */
199 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
200 399
201 if (displayResource != NULL) 400 if (displayResource)
202 { 401 {
203 if ((rdb1 = XrmGetStringDatabase (displayResource))) 402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
204 /* Merge with screen-independent resources */ 403 /* Merge with screen-independent resources */
205 XrmMergeDatabases (rdb1, &database); 404 XrmMergeDatabases (rdb1, &database);
206 405
207 XFree (displayResource); 406 XFree (displayResource);
208 } 407 }
209 408
210 // 3. User's per host defaults file 409 // 3. User's per host defaults file
211 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
212 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
213 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
214 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
215 else if (homedir) 414 else if (homedir)
216 { 415 {
217 struct utsname un; 416 struct utsname un;
… …
231bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
232{ 431{
233#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
234 if (id[0] == ':') 433 if (id[0] == ':')
235 { 434 {
236 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
237 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
238 strcat (val, id); 438 strcat (val, id);
239 display = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
240 free (val);
241 } 440 }
242 else 441 else
243#endif 442#endif
244 display = 0; 443 dpy = 0;
245 444
246 if (!display) 445 if (!dpy)
247 display = XOpenDisplay (id); 446 dpy = XOpenDisplay (id);
248 447
249 if (!display) 448 if (!dpy)
250 return false; 449 return false;
251 450
252 screen = DefaultScreen (display); 451 screen = DefaultScreen (dpy);
253 root = DefaultRootWindow (display); 452 root = DefaultRootWindow (dpy);
254 visual = DefaultVisual (display, screen);
255 cmap = DefaultColormap (display, screen);
256 depth = DefaultDepth (display, screen);
257 453
454 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
456
258 XrmSetDatabase (display, get_resources ()); 457 XrmSetDatabase (dpy, get_resources (false));
259 458
260#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
261 XColor blackcolour; 460 XColor blackcolour;
262 blackcolour.red = 0; 461 blackcolour.red = 0;
263 blackcolour.green = 0; 462 blackcolour.green = 0;
264 blackcolour.blue = 0; 463 blackcolour.blue = 0;
265 Font f = XLoadFont (display, "fixed"); 464 Font f = XLoadFont (dpy, "fixed");
266 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
267 &blackcolour, &blackcolour); 466 &blackcolour, &blackcolour);
268 XUnloadFont (display, f); 467 XUnloadFont (dpy, f);
269#endif 468#endif
270 469
271#ifdef PREFER_24BIT
272 /*
273 * If depth is not 24, look for a 24bit visual.
274 */
275 if (depth != 24)
276 {
277 XVisualInfo vinfo;
278
279 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
280 {
281 depth = 24;
282 visual = vinfo.visual;
283 cmap = XCreateColormap (display,
284 RootWindow (display, screen),
285 visual, AllocNone);
286 }
287 }
288#endif
289
290 int fd = XConnectionNumber (display); 470 int fd = XConnectionNumber (dpy);
291 471
292#ifndef NO_SLOW_LINK_SUPPORT
293 // try to detect wether we have a local connection. 472 // try to detect whether we have a local connection.
294 // assume unix domains socket == local, everything else not 473 // assume unix domain socket == local, everything else not
295 // TODO: might want to check for inet/127.0.0.1 474 // TODO: might want to check for inet/127.0.0.1
296 is_local = 0; 475 is_local = 0;
297 sockaddr_un sa; 476 sockaddr_un sa;
298 socklen_t sl = sizeof (sa); 477 socklen_t sl = sizeof (sa);
299 478
300 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
301 is_local = sa.sun_family == AF_LOCAL; 480 is_local = sa.sun_family == AF_UNIX;
302#endif
303 481
482 flush_ev.start ();
304 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
305 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
306 485
307 XSelectInput (display, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
308#ifdef USE_XIM
309 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
310#endif
311 487
312 flush (); 488 flush ();
313 489
314 return true; 490 return true;
315} 491}
316 492
317void 493void
318rxvt_display::ref_next () 494rxvt_display::ref_next ()
319{ 495{
320 // TODO: somehow check wether the database files/resources changed 496 // TODO: somehow check whether the database files/resources changed
321 // before re-loading/parsing 497 // before affording re-loading/parsing
322 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
323 XrmSetDatabase (display, get_resources ()); 503 XrmSetDatabase (dpy, get_resources (true));
324} 504}
325 505
326rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
327{ 507{
328 if (!display) 508 if (!dpy)
329 return; 509 return;
330 510
331#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
332 XFreeCursor (display, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
333#endif 513#endif
334 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
335#ifdef USE_XIM 516#ifdef USE_XIM
336 xims.clear (); 517 xims.clear ();
337#endif 518#endif
519 XrmDestroyDatabase (XrmGetDatabase (dpy));
338 XCloseDisplay (display); 520 XCloseDisplay (dpy);
339} 521}
340 522
341#ifdef USE_XIM 523#ifdef USE_XIM
342void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
343{ 525{
… …
351 // registers, as xlib crashes due to a race otherwise. 533 // registers, as xlib crashes due to a race otherwise.
352 Atom actual_type, *atoms; 534 Atom actual_type, *atoms;
353 int actual_format; 535 int actual_format;
354 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
355 537
356 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
357 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
358 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
359 != Success ) 541 != Success)
360 return; 542 return;
361 543
362 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
363 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
364 if (XGetSelectionOwner (display, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
365 { 547 {
366 im_change_cb (); 548 im_change_cb ();
367 break; 549 break;
368 } 550 }
369 551
370 XFree (atoms); 552 XFree (atoms);
371} 553}
372#endif 554#endif
373 555
374void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
375{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
376 do 564 do
377 { 565 {
378 XEvent xev; 566 XEvent xev;
379 XNextEvent (display, &xev); 567 XNextEvent (dpy, &xev);
380 568
381#ifdef USE_XIM 569#ifdef USE_XIM
382 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
383 { 571 {
384 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
385 && xev.xany.window == root 573 && xev.xany.window == root
386 && xev.xproperty.atom == xa_xim_servers) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
387 im_change_check (); 575 im_change_check ();
388#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
389 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
390 { 581 {
391 if (!xw[i]) 582 if (!xw[i])
392 xw.erase_unordered (i); 583 xw.erase_unordered (i);
393 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
394 xw[i]->call (xev); 585 xw[i]->call (xev);
395 } 586 }
396#ifdef USE_XIM 587#ifdef USE_XIM
397 } 588 }
398#endif 589#endif
399 } 590 }
400 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
401 592
402 XFlush (display); 593 w.stop ();
403}
404
405void rxvt_display::flush ()
406{
407 if (XEventsQueued (display, QueuedAlready))
408 x_cb (x_ev, EVENT_READ);
409
410 XFlush (display);
411} 594}
412 595
413void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
414{ 597{
598 if (!w->active)
599 {
415 xw.push_back (w); 600 xw.push_back (w);
416 w->active = xw.size (); 601 w->active = xw.size ();
602 }
417} 603}
418 604
419void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
420{ 606{
421 if (w->active) 607 if (w->active)
608 {
422 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
423} 612}
424 613
425void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
426{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
427 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
428 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
429 624
430 selection_owner = owner; 625 cur_owner = owner;
431} 626}
432 627
433#ifdef USE_XIM 628#ifdef USE_XIM
629
434void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
435{ 631{
436 imw.push_back (w); 632 imw.push_back (w);
437} 633}
438 634
… …
447 int l, m; 643 int l, m;
448 644
449 l = strlen (locale); 645 l = strlen (locale);
450 m = strlen (modifiers); 646 m = strlen (modifiers);
451 647
452 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
453 return 0; 649 return 0;
454 650
455 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
456 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
457 653
458 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
459 655
460 free (id);
461
462 return xim; 656 return xim;
463} 657}
464 658
465void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
466{ 660{
467#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
468 xims.put (xim); 662 xims.put (xim);
469#endif 663# endif
470} 664}
665
471#endif 666#endif
472 667
473Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
474{ 669{
475 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
476} 671}
477 672
478///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
479 674
480template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
481refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
482 677
483///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
484 679//
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
485bool 687bool
486rxvt_color::set (rxvt_display *display, Pixel p) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
487{ 689{
690 //TODO: only supports 24 bit
691 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
488#if XFT 693#if XFT
489 XColor xc; 694 XRenderPictFormat *format;
490 695
491 xc.pixel = p; 696 // FUCKING Xft gets it wrong, of course, so work around it.
492 if (!XQueryColor (display->display, display->cmap, &xc)) 697 // Transparency users should eat shit and die, and then
493 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;
494 707
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 {
495 XRenderColor d; 717 XRenderColor d;
496 718
497 d.red = xc.red; 719 d.red = color.r;
498 d.green = xc.green; 720 d.green = color.g;
499 d.blue = xc.blue; 721 d.blue = color.b;
500 d.alpha = 0xffff; 722 d.alpha = alpha;
501 723
502 return 724 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
503 XftColorAllocValue (display->display, 725 }
504 display->visual,
505 display->cmap,
506 &d, &c);
507#else 726#else
508 this->p = p; 727 c.red = color.r;
509#endif 728 c.green = color.g;
729 c.blue = color.b;
510 730
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))
511 return true; 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;
512} 748}
513 749
514bool 750bool
515rxvt_color::set (rxvt_display *display, const char *name) 751rxvt_color::set (rxvt_screen *screen, const char *name)
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)
516{ 841{
517#if XFT 842#if XFT
518 return XftColorAllocName (display->display, display->visual, display->cmap, 843 color.r = c.color.red;
519 name, &c); 844 color.g = c.color.green;
845 color.b = c.color.blue;
846 color.a = c.color.alpha;
520#else 847#else
521 XColor xc; 848 color.r = c.red;
849 color.g = c.green;
850 color.b = c.blue;
851 color.a = rgba::MAX_CC;
852#endif
853}
522 854
523 if (XParseColor (display->display, display->cmap, name, &xc)) 855void
524 return set (display, xc.red, xc.green, xc.blue); 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
868rxvt_color::free (rxvt_screen *screen)
869{
870 if (screen->visual->c_class == TrueColor)
871 return; // nothing to do
872
873#if XFT
874 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
875#else
876 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
877#endif
878}
879
880void
881rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
882{
883 rgba c;
884 get (c);
885
886 result.set (
887 screen,
888 rgba (
889 lerp (c.r, to.r, percent),
890 lerp (c.g, to.g, percent),
891 lerp (c.b, to.b, percent),
892 lerp (c.a, to.a, percent)
893 )
894 );
895}
896
897rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term, void *cb_sv)
898: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term), cb_sv (cb_sv)
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::stop ()
914{
915 free (incr_buf);
916 incr_buf = 0;
917 timer_ev.stop ();
918 x_ev.stop (display);
919}
920
921rxvt_selection::~rxvt_selection ()
922{
923 stop ();
924}
925
926void
927rxvt_selection::run ()
928{
929 int selnum = selection_type;
930
931#if X_HAVE_UTF8_STRING
932 selection_type = Sel_UTF8String;
933 if (request (display->xa[XA_UTF8_STRING], selnum))
934 return;
935#else
936 selection_type = Sel_CompoundText;
937 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
938 return;
939#endif
940
941 // fallback to CUT_BUFFER0 if the requested property has no owner
942 handle_selection (display->root, XA_CUT_BUFFER0, false);
943}
944
945void
946rxvt_selection::finish (char *data, unsigned int len)
947{
948 if (term)
949 {
950 if (data)
951 term->paste (data, len);
952
953 term->selection_req = 0;
954 delete this;
955 }
956#if ENABLE_PERL
957 else
958 {
959 stop ();
960 abort (); //TODO
961 }
962#endif
963}
964
965bool
966rxvt_selection::request (Atom target, int selnum)
967{
968 Atom sel;
969
970 selection_type |= selnum;
971
972 if (selnum == Sel_Primary)
973 sel = XA_PRIMARY;
974 else if (selnum == Sel_Secondary)
975 sel = XA_SECONDARY;
976 else
977 sel = display->xa[XA_CLIPBOARD];
978
979 if (XGetSelectionOwner (display->dpy, sel) != None)
980 {
981 XConvertSelection (display->dpy, sel, target, request_prop,
982 request_win, request_time);
983 x_ev.start (display, request_win);
984 timer_ev.again ();
985 return true;
986 }
525 987
526 return false; 988 return false;
527#endif
528} 989}
529 990
530bool
531rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
532{
533 XColor xc;
534
535 xc.red = cr;
536 xc.green = cg;
537 xc.blue = cb;
538 xc.flags = DoRed | DoGreen | DoBlue;
539
540 if (XAllocColor (display->display, display->cmap, &xc))
541 return set (display, xc.pixel);
542
543 return false;
544}
545
546void 991void
547rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 992rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
548{ 993{
549#if XFT 994 Display *dpy = display->dpy;
550 cr = c.color.red; 995 char *data = 0;
551 cg = c.color.green; 996 unsigned int data_len = 0;
552 cb = c.color.blue; 997 unsigned long bytes_after;
553#else 998 XTextProperty ct;
554 XColor c;
555 999
556 c.pixel = p; 1000 // check for failed XConvertSelection
557 XQueryColor (display->display, display->cmap, &c); 1001 if (prop == None)
1002 {
1003 bool error = true;
1004 int selnum = selection_type & Sel_whereMask;
558 1005
559 cr = c.red; 1006 if (selection_type & Sel_CompoundText)
560 cg = c.green; 1007 {
561 cb = c.blue; 1008 selection_type = 0;
562#endif 1009 error = !request (XA_STRING, selnum);
563} 1010 }
564 1011
1012 if (selection_type & Sel_UTF8String)
1013 {
1014 selection_type = Sel_CompoundText;
1015 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1016 }
1017
1018 if (error)
1019 {
1020 ct.value = 0;
1021 goto bailout;
1022 }
1023
1024 return;
1025 }
1026
1027 // length == (2^31 - 1) / 4, as gdk
1028 if (XGetWindowProperty (dpy, win, prop,
1029 0, 0x1fffffff,
1030 delete_prop, AnyPropertyType,
1031 &ct.encoding, &ct.format,
1032 &ct.nitems, &bytes_after,
1033 &ct.value) != Success)
1034 {
1035 ct.value = 0;
1036 goto bailout;
1037 }
1038
1039 if (ct.encoding == None)
1040 goto bailout;
1041
1042 if (ct.value == 0)
1043 goto bailout;
1044
1045 if (ct.encoding == display->xa[XA_INCR])
1046 {
1047 // INCR selection, start handshake
1048 if (!delete_prop)
1049 XDeleteProperty (dpy, win, prop);
1050
1051 selection_wait = Sel_incr;
1052 timer_ev.again ();
1053
1054 goto bailout;
1055 }
1056
1057 if (ct.nitems == 0)
1058 {
1059 if (selection_wait == Sel_incr)
1060 {
1061 XFree (ct.value);
1062
1063 // finally complete, now paste the whole thing
1064 selection_wait = Sel_normal;
1065 ct.value = (unsigned char *)incr_buf;
1066 ct.nitems = incr_buf_fill;
1067 incr_buf = 0;
1068 timer_ev.stop ();
1069 }
1070 else
1071 {
1072 // avoid recursion
1073 if (win != display->root || prop != XA_CUT_BUFFER0)
1074 {
1075 XFree (ct.value);
1076
1077 // fallback to CUT_BUFFER0 if the requested property
1078 // has an owner but is empty
1079 handle_selection (display->root, XA_CUT_BUFFER0, False);
1080 return;
1081 }
1082
1083 goto bailout;
1084 }
1085 }
1086 else if (selection_wait == Sel_incr)
1087 {
1088 timer_ev.again ();
1089
1090 while (incr_buf_fill + ct.nitems > incr_buf_size)
1091 {
1092 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1093 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1094 }
1095
1096 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1097 incr_buf_fill += ct.nitems;
1098
1099 goto bailout;
1100 }
1101
1102 char **cl;
1103 int cr;
1104
1105 // we honour the first item only
1106
1107#if !ENABLE_MINIMAL
1108 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1109 // so recode it manually
1110 if (ct.encoding == display->xa[XA_UTF8_STRING])
1111 {
1112 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1113 data = rxvt_wcstombs (w);
1114 free (w);
1115 }
1116 else
1117#endif
1118 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1119 && cl)
1120 {
1121 data = strdup (cl[0]);
1122 XFreeStringList (cl);
1123 }
1124 else
1125 {
1126 // paste raw
1127 data = strdup ((const char *)ct.value);
1128 }
1129
1130 data_len = strlen (data);
1131
1132bailout:
1133 XFree (ct.value);
1134
1135 if (selection_wait == Sel_normal)
1136 {
1137 finish (data, data_len);
1138 free (data);
1139 }
1140}
1141
565void 1142void
566rxvt_color::free (rxvt_display *display) 1143rxvt_selection::timer_cb (ev::timer &w, int revents)
567{ 1144{
568#if XFT 1145 if (selection_wait == Sel_incr)
569 XftColorFree (display->display, display->visual, display->cmap, &c); 1146 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
570#else
571 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
572#endif
573}
574 1147
575rxvt_color 1148 finish ();
576rxvt_color::fade (rxvt_display *display, int percent)
577{
578 percent = 100 - percent;
579
580 unsigned short cr, cg, cb;
581 rxvt_color faded;
582
583 get (display, cr, cg, cb);
584
585 faded.set (
586 display,
587 cr * percent / 100,
588 cg * percent / 100,
589 cb * percent / 100
590 );
591
592 return faded;
593} 1149}
594 1150
595#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1151void
596 1152rxvt_selection::x_cb (XEvent &xev)
597rxvt_color
598rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
599{ 1153{
600 percent = 100 - percent; 1154 switch (xev.type)
1155 {
1156 case PropertyNotify:
1157 if (selection_wait == Sel_incr
1158 && xev.xproperty.atom == request_prop
1159 && xev.xproperty.state == PropertyNewValue)
1160 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1161 break;
601 1162
602 unsigned short cr, cg, cb; 1163 case SelectionNotify:
603 unsigned short fcr, fcg, fcb; 1164 if (selection_wait == Sel_normal
604 rxvt_color faded; 1165 && xev.xselection.time == request_time
605 1166 && xev.xselection.property == request_prop)
606 get (display, cr, cg, cb); 1167 {
607 fadeto.get(display, fcr, fcg, fcb); 1168 timer_ev.stop ();
608 1169 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
609 faded.set ( 1170 }
610 display, 1171 break;
611 LERP (cr, fcr, percent), 1172 }
612 LERP (cg, fcg, percent),
613 LERP (cb, fcb, percent)
614 );
615
616 return faded;
617} 1173}
618

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