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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.13 by root, Sun Feb 13 11:07:57 2005 UTC vs.
Revision 1.131 by root, Fri Feb 24 07:10:54 2012 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.
… …
25#include <rxvttoolkit.h> 26#include <rxvttoolkit.h>
26 27
27#include <unistd.h> 28#include <unistd.h>
28#include <fcntl.h> 29#include <fcntl.h>
29 30
30#ifndef NO_SLOW_LINK_SUPPORT 31#include <sys/utsname.h>
31# include <sys/socket.h> 32#include <sys/socket.h>
32# 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",
33#endif 92# endif
93#endif
94};
95
96/////////////////////////////////////////////////////////////////////////////
34 97
35refcounted::refcounted (const char *id) 98refcounted::refcounted (const char *id)
36{ 99{
37 this->id = strdup (id); 100 this->id = strdup (id);
38} 101}
… …
47{ 110{
48 for (T **i = this->begin (); i < this->end (); ++i) 111 for (T **i = this->begin (); i < this->end (); ++i)
49 { 112 {
50 if (!strcmp (id, (*i)->id)) 113 if (!strcmp (id, (*i)->id))
51 { 114 {
52 (*i)->referenced++; 115 ++(*i)->referenced;
116 (*i)->ref_next ();
53 return *i; 117 return *i;
54 } 118 }
55 } 119 }
56 120
57 T *obj = new T (id); 121 T *obj = new T (id);
58 122
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 123 if (obj && obj->ref_init ())
62 { 124 {
125 obj->referenced = 1;
63 this->push_back (obj); 126 this->push_back (obj);
64 return obj; 127 return obj;
65 } 128 }
66 else 129 else
67 { 130 {
… …
91} 154}
92 155
93///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
94 157
95#ifdef USE_XIM 158#ifdef USE_XIM
159
96static void 160static void
97#if XIMCB_PROTO_BROKEN 161#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 163#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 164im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
107 171
108 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 172 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
109 display->im_change_cb (); 173 display->im_change_cb ();
110} 174}
111 175
176bool
112bool rxvt_xim::init () 177rxvt_xim::ref_init ()
113{ 178{
114 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
115 180
116 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
117 182
118 if (!xim) 183 if (!xim)
119 return false; 184 return false;
120 185
121 XIMCallback ximcallback; 186 XIMCallback ximcallback;
122 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
123 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
124 189
125 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
126 191
127 return true; 192 return true;
128} 193}
129 194
130rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
131{ 196{
132 if (xim) 197 if (xim)
133 XCloseIM (xim); 198 XCloseIM (xim);
134} 199}
200
135#endif 201#endif
202
203/////////////////////////////////////////////////////////////////////////////
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}
136 294
137///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
138 296
139rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 298: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
143{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 304}
145 305
306XrmDatabase
307rxvt_display::get_resources (bool refresh)
308{
309 char *homedir = getenv ("HOME");
310 char fname[1024];
311
312 /*
313 * get resources using the X library function
314 */
315 char *displayResource, *xe;
316 XrmDatabase rdb1, database = 0;
317
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
322
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
325
326 // 6. System wide per application default file.
327
328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
329 if ((xe = getenv ("XAPPLRESDIR")))
330 {
331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
332
333 if ((rdb1 = XrmGetFileDatabase (fname)))
334 XrmMergeDatabases (rdb1, &database);
335 }
336
337 // 5. User's per application default file.
338 // none
339
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
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
384 displayResource = XResourceManagerString (dpy);
385
386 if (displayResource)
387 {
388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
389 XrmMergeDatabases (rdb1, &database);
390 }
391
392#if !XLIB_ILLEGAL_ACCESS
393 if (refresh && displayResource)
394 XFree (displayResource);
395#endif
396
397 /* Get screen specific resources */
398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
399
400 if (displayResource)
401 {
402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
403 /* Merge with screen-independent resources */
404 XrmMergeDatabases (rdb1, &database);
405
406 XFree (displayResource);
407 }
408
409 // 3. User's per host defaults file
410 /* Add in XENVIRONMENT file */
411 if ((xe = getenv ("XENVIRONMENT"))
412 && (rdb1 = XrmGetFileDatabase (xe)))
413 XrmMergeDatabases (rdb1, &database);
414 else if (homedir)
415 {
416 struct utsname un;
417
418 if (!uname (&un))
419 {
420 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
421
422 if ((rdb1 = XrmGetFileDatabase (fname)))
423 XrmMergeDatabases (rdb1, &database);
424 }
425 }
426
427 return database;
428}
429
146bool rxvt_display::init () 430bool rxvt_display::ref_init ()
147{ 431{
432#ifdef LOCAL_X_IS_UNIX
433 if (id[0] == ':')
434 {
435 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
436
437 strcpy (val, "unix/");
438 strcat (val, id);
439
440 dpy = XOpenDisplay (val);
441 }
442 else
443#endif
444 dpy = 0;
445
446 if (!dpy)
148 display = XOpenDisplay (id); 447 dpy = XOpenDisplay (id);
149 448
150 if (!display) 449 if (!dpy)
151 return false; 450 return false;
152 451
153 screen = DefaultScreen (display); 452 screen = DefaultScreen (dpy);
154 root = DefaultRootWindow (display); 453 root = DefaultRootWindow (dpy);
155 visual = DefaultVisual (display, screen);
156 cmap = DefaultColormap (display, screen);
157 depth = DefaultDepth (display, screen);
158 454
159 int fd = XConnectionNumber (display); 455 assert (ecb_array_length (xa_names) == NUM_XA);
456 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
160 457
161#ifndef NO_SLOW_LINK_SUPPORT 458 XrmSetDatabase (dpy, get_resources (false));
162 // try to detetc wether we have a local connection.
163 // assume unix domains socket == local, everything else not
164 // TODO: might want to check for inet/127.0.0.1
165 is_local = 0;
166 sockaddr_un sa;
167 socklen_t sl = sizeof (sa);
168
169 if (!getsockname (fd, (sockaddr *)&sa, &sl))
170 is_local = sa.sun_family == AF_LOCAL;
171#endif
172 459
173#ifdef POINTER_BLANK 460#ifdef POINTER_BLANK
174 XColor blackcolour; 461 XColor blackcolour;
175 blackcolour.red = 0; 462 blackcolour.red = 0;
176 blackcolour.green = 0; 463 blackcolour.green = 0;
177 blackcolour.blue = 0; 464 blackcolour.blue = 0;
178 Font f = XLoadFont (display, "fixed"); 465 Font f = XLoadFont (dpy, "fixed");
179 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 466 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
180 &blackcolour, &blackcolour); 467 &blackcolour, &blackcolour);
181 XUnloadFont (display, f); 468 XUnloadFont (dpy, f);
182#endif 469#endif
183 470
184#ifdef PREFER_24BIT 471 int fd = XConnectionNumber (dpy);
185 /*
186 * If depth is not 24, look for a 24bit visual.
187 */
188 if (depth != 24)
189 {
190 XVisualInfo vinfo;
191 472
192 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 473 // try to detect whether we have a local connection.
193 { 474 // assume unix domain socket == local, everything else not
194 depth = 24; 475 // TODO: might want to check for inet/127.0.0.1
195 visual = vinfo.visual; 476 is_local = 0;
196 cmap = XCreateColormap (display, 477 sockaddr_un sa;
197 RootWindow (display, screen), 478 socklen_t sl = sizeof (sa);
198 visual, AllocNone);
199 }
200 }
201#endif
202 479
480 if (!getsockname (fd, (sockaddr *)&sa, &sl))
481 is_local = sa.sun_family == AF_UNIX;
482
483 flush_ev.start ();
203 x_ev.start (fd, EVENT_READ); 484 x_ev.start (fd, ev::READ);
204 fcntl (fd, F_SETFD, FD_CLOEXEC); 485 fcntl (fd, F_SETFD, FD_CLOEXEC);
205 486
206 XSelectInput (display, root, PropertyChangeMask); 487 XSelectInput (dpy, root, PropertyChangeMask);
207#ifdef USE_XIM
208 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
209#endif
210 488
211 flush (); 489 flush ();
212 490
213 return true; 491 return true;
214} 492}
215 493
494void
495rxvt_display::ref_next ()
496{
497 // TODO: somehow check whether the database files/resources changed
498 // before affording re-loading/parsing
499 XrmDestroyDatabase (XrmGetDatabase (dpy));
500#if XLIB_ILLEGAL_ACCESS
501 /* work around a bug in XrmSetDatabase where it frees the db */
502 dpy->db = 0;
503#endif
504 XrmSetDatabase (dpy, get_resources (true));
505}
506
216rxvt_display::~rxvt_display () 507rxvt_display::~rxvt_display ()
217{ 508{
509 if (!dpy)
510 return;
511
512#ifdef POINTER_BLANK
513 XFreeCursor (dpy, blank_cursor);
514#endif
218 x_ev.stop (); 515 x_ev.stop ();
516 flush_ev.stop ();
219#ifdef USE_XIM 517#ifdef USE_XIM
220 xims.clear (); 518 xims.clear ();
221#endif 519#endif
222 520 XrmDestroyDatabase (XrmGetDatabase (dpy));
223 if (display)
224 XCloseDisplay (display); 521 XCloseDisplay (dpy);
225} 522}
226 523
227#ifdef USE_XIM 524#ifdef USE_XIM
228void rxvt_display::im_change_cb () 525void rxvt_display::im_change_cb ()
229{ 526{
… …
237 // registers, as xlib crashes due to a race otherwise. 534 // registers, as xlib crashes due to a race otherwise.
238 Atom actual_type, *atoms; 535 Atom actual_type, *atoms;
239 int actual_format; 536 int actual_format;
240 unsigned long nitems, bytes_after; 537 unsigned long nitems, bytes_after;
241 538
242 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 539 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
243 False, XA_ATOM, &actual_type, &actual_format, 540 False, XA_ATOM, &actual_type, &actual_format,
244 &nitems, &bytes_after, (unsigned char **)&atoms) 541 &nitems, &bytes_after, (unsigned char **)&atoms)
245 != Success ) 542 != Success)
246 return; 543 return;
247 544
248 if (actual_type == XA_ATOM && actual_format == 32) 545 if (actual_type == XA_ATOM && actual_format == 32)
249 for (int i = 0; i < nitems; i++) 546 for (int i = 0; i < nitems; i++)
250 if (XGetSelectionOwner (display, atoms[i])) 547 if (XGetSelectionOwner (dpy, atoms[i]))
251 { 548 {
252 im_change_cb (); 549 im_change_cb ();
253 break; 550 break;
254 } 551 }
255 552
256 XFree (atoms); 553 XFree (atoms);
257} 554}
258#endif 555#endif
259 556
260void rxvt_display::x_cb (io_watcher &w, short revents) 557void rxvt_display::x_cb (ev::io &w, int revents)
261{ 558{
559 flush_ev.start ();
560}
561
562void rxvt_display::flush_cb (ev::prepare &w, int revents)
563{
564 while (XEventsQueued (dpy, QueuedAfterFlush))
262 do 565 do
263 { 566 {
264 XEvent xev; 567 XEvent xev;
265 XNextEvent (display, &xev); 568 XNextEvent (dpy, &xev);
266 569
267#ifdef USE_XIM 570#ifdef USE_XIM
268 if (!XFilterEvent (&xev, None)) 571 if (!XFilterEvent (&xev, None))
269 { 572 {
270
271 if (xev.type == PropertyNotify 573 if (xev.type == PropertyNotify
272 && xev.xany.window == root 574 && xev.xany.window == root
273 && xev.xproperty.atom == xa_xim_servers) 575 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
274 im_change_check (); 576 im_change_check ();
275#endif 577#endif
578 if (xev.type == MappingNotify)
579 XRefreshKeyboardMapping (&xev.xmapping);
580
276 for (int i = xw.size (); i--; ) 581 for (int i = xw.size (); i--; )
277 { 582 {
278 if (!xw[i]) 583 if (!xw[i])
279 xw.erase_unordered (i); 584 xw.erase_unordered (i);
280 else if (xw[i]->window == xev.xany.window) 585 else if (xw[i]->window == xev.xany.window)
281 xw[i]->call (xev); 586 xw[i]->call (xev);
282 } 587 }
283#ifdef USE_XIM 588#ifdef USE_XIM
284 } 589 }
285#endif 590#endif
286 } 591 }
287 while (XEventsQueued (display, QueuedAlready)); 592 while (XEventsQueued (dpy, QueuedAlready));
288 593
289 XFlush (display); 594 w.stop ();
290}
291
292void rxvt_display::flush ()
293{
294 if (XEventsQueued (display, QueuedAlready))
295 x_cb (x_ev, EVENT_READ);
296
297 XFlush (display);
298} 595}
299 596
300void rxvt_display::reg (xevent_watcher *w) 597void rxvt_display::reg (xevent_watcher *w)
301{ 598{
599 if (!w->active)
600 {
302 xw.push_back (w); 601 xw.push_back (w);
303 w->active = xw.size (); 602 w->active = xw.size ();
603 }
304} 604}
305 605
306void rxvt_display::unreg (xevent_watcher *w) 606void rxvt_display::unreg (xevent_watcher *w)
307{ 607{
308 if (w->active) 608 if (w->active)
609 {
309 xw[w->active - 1] = 0; 610 xw[w->active - 1] = 0;
611 w->active = 0;
612 }
310} 613}
311 614
312void rxvt_display::set_selection_owner (rxvt_term *owner) 615void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
313{ 616{
617 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
618
314 if (selection_owner && selection_owner != owner) 619 if (cur_owner && cur_owner != owner)
315 selection_owner->selection_clear (); 620 {
621 rxvt_term *term = cur_owner;
622 term->selection_clear (clipboard);
623 term->flush ();
624 }
316 625
317 selection_owner = owner; 626 cur_owner = owner;
318} 627}
319 628
320#ifdef USE_XIM 629#ifdef USE_XIM
630
321void rxvt_display::reg (im_watcher *w) 631void rxvt_display::reg (im_watcher *w)
322{ 632{
323 imw.push_back (w); 633 imw.push_back (w);
324} 634}
325 635
… …
334 int l, m; 644 int l, m;
335 645
336 l = strlen (locale); 646 l = strlen (locale);
337 m = strlen (modifiers); 647 m = strlen (modifiers);
338 648
339 if (!(id = (char *)malloc (l + m + 2))) 649 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
340 return 0; 650 return 0;
341 651
342 memcpy (id, locale, l); id[l] = '\n'; 652 memcpy (id, locale, l); id[l] = '\n';
343 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 653 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
344 654
345 rxvt_xim *xim = xims.get (id); 655 rxvt_xim *xim = xims.get (id);
346 656
347 free (id);
348
349 return xim; 657 return xim;
350} 658}
351 659
352void rxvt_display::put_xim (rxvt_xim *xim) 660void rxvt_display::put_xim (rxvt_xim *xim)
353{ 661{
354#if XLIB_IS_RACEFREE 662# if XLIB_IS_RACEFREE
355 xims.put (xim); 663 xims.put (xim);
356#endif 664# endif
357} 665}
666
358#endif 667#endif
359 668
360Atom rxvt_display::atom (const char *name) 669Atom rxvt_display::atom (const char *name)
361{ 670{
362 return XInternAtom (display, name, False); 671 return XInternAtom (dpy, name, False);
363} 672}
364 673
365///////////////////////////////////////////////////////////////////////////// 674/////////////////////////////////////////////////////////////////////////////
366 675
367template class refcache<rxvt_display>; 676template class refcache<rxvt_display>;
368refcache<rxvt_display> displays; 677refcache<rxvt_display> displays;
369 678
370///////////////////////////////////////////////////////////////////////////// 679/////////////////////////////////////////////////////////////////////////////
371 680//
681
682static unsigned int
683insert_component (unsigned int value, unsigned int mask, unsigned int shift)
684{
685 return (value * (mask + 1) >> 16) << shift;
686}
687
372bool 688bool
373rxvt_color::set (rxvt_display *display, Pixel p) 689rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
374{ 690{
691 //TODO: only supports 24 bit
692 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
693
375#if XFT 694#if XFT
376 XColor xc; 695 XRenderPictFormat *format;
377 696
378 xc.pixel = p; 697 // FUCKING Xft gets it wrong, of course, so work around it.
379 if (!XQueryColor (display->display, display->cmap, &xc)) 698 // Transparency users should eat shit and die, and then
380 return false; 699 // XRenderQueryPictIndexValues themselves plenty.
700 if ((screen->visual->c_class == TrueColor)
701 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
702 {
703 // the fun lies in doing everything manually...
704 c.color.red = color.r;
705 c.color.green = color.g;
706 c.color.blue = color.b;
707 c.color.alpha = alpha;
381 708
709 // Xft wants premultiplied alpha, but abuses the alpha channel
710 // as blend factor, and doesn't allow us to set the alpha channel
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 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
716 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
717 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
718 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
719
720 return true;
721 }
722 else
723 {
382 XRenderColor d; 724 XRenderColor d;
383 725
384 d.red = xc.red; 726 d.red = color.r;
385 d.green = xc.green; 727 d.green = color.g;
386 d.blue = xc.blue; 728 d.blue = color.b;
387 d.alpha = 0xffff; 729 d.alpha = alpha;
388 730
389 return 731 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
390 XftColorAllocValue (display->display, 732 return true;
391 display->visual, 733 }
392 display->cmap,
393 &d, &c);
394#else 734#else
395 this->p = p; 735 c.red = color.r;
396#endif 736 c.green = color.g;
737 c.blue = color.b;
397 738
739 if (screen->visual->c_class == TrueColor)
740 {
741 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
742 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
743 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
744
745 return true;
746 }
747 else if (XAllocColor (screen->dpy, screen->cmap, &c))
398 return true; 748 return true;
749#endif
750
751 c.pixel = (color.r + color.g + color.b) > 128*3
752 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
753 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
754
755 return false;
399} 756}
400 757
401bool 758bool
402rxvt_color::set (rxvt_display *display, const char *name) 759rxvt_color::set (rxvt_screen *screen, const char *name)
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)
403{ 849{
404#if XFT 850#if XFT
405 return XftColorAllocName (display->display, display->visual, display->cmap, 851 color.r = c.color.red;
406 name, &c); 852 color.g = c.color.green;
853 color.b = c.color.blue;
854 color.a = c.color.alpha;
407#else 855#else
408 XColor xc; 856 color.r = c.red;
857 color.g = c.green;
858 color.b = c.blue;
859 color.a = rgba::MAX_CC;
860#endif
861}
409 862
410 if (XParseColor (display->display, display->cmap, name, &xc)) 863void
411 return set (display, xc.red, xc.green, xc.blue); 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
876rxvt_color::free (rxvt_screen *screen)
877{
878 if (screen->visual->c_class == TrueColor)
879 return; // nothing to do
880
881#if XFT
882 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
883#else
884 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
885#endif
886}
887
888void
889rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
890{
891 rgba c;
892 get (c);
893
894 result.set (
895 screen,
896 rgba (
897 lerp (c.r, to.r, percent),
898 lerp (c.g, to.g, percent),
899 lerp (c.b, to.b, percent),
900 lerp (c.a, to.a, percent)
901 )
902 );
903}
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 cb_sv = 0;
919}
920
921void
922rxvt_selection::stop ()
923{
924 free (incr_buf);
925 incr_buf = 0;
926 timer_ev.stop ();
927 x_ev.stop (display);
928}
929
930rxvt_selection::~rxvt_selection ()
931{
932 stop ();
933}
934
935void
936rxvt_selection::run ()
937{
938 int selnum = selection_type;
939
940#if ENABLE_FRILLS
941 if (selnum == Sel_Primary && display->selection_owner)
942 {
943 /* internal selection */
944 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
945 finish (str, strlen (str));
946 free (str);
947 return;
948 }
949#endif
950
951#if X_HAVE_UTF8_STRING
952 selection_type = Sel_UTF8String;
953 if (request (display->xa[XA_UTF8_STRING], selnum))
954 return;
955#else
956 selection_type = Sel_CompoundText;
957 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
958 return;
959#endif
960
961 // fallback to CUT_BUFFER0 if the requested property has no owner
962 handle_selection (display->root, XA_CUT_BUFFER0, false);
963}
964
965void
966rxvt_selection::finish (char *data, unsigned int len)
967{
968 if (!cb_sv)
969 {
970 if (data)
971 term->paste (data, len);
972
973 term->selection_req = 0;
974 delete this;
975 }
976#if ENABLE_PERL
977 else
978 {
979 stop (); // we do not really trust perl callbacks
980 rxvt_perl.selection_finish (this, data, len);
981 }
982#endif
983}
984
985bool
986rxvt_selection::request (Atom target, int selnum)
987{
988 Atom sel;
989
990 selection_type |= selnum;
991
992 if (selnum == Sel_Primary)
993 sel = XA_PRIMARY;
994 else if (selnum == Sel_Secondary)
995 sel = XA_SECONDARY;
996 else
997 sel = display->xa[XA_CLIPBOARD];
998
999 if (XGetSelectionOwner (display->dpy, sel) != None)
1000 {
1001 XConvertSelection (display->dpy, sel, target, request_prop,
1002 request_win, request_time);
1003 x_ev.start (display, request_win);
1004 timer_ev.again ();
1005 return true;
1006 }
412 1007
413 return false; 1008 return false;
414#endif
415} 1009}
416 1010
417bool
418rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
419{
420 XColor xc;
421
422 xc.red = cr;
423 xc.green = cg;
424 xc.blue = cb;
425 xc.flags = DoRed | DoGreen | DoBlue;
426
427 if (XAllocColor (display->display, display->cmap, &xc))
428 return set (display, xc.pixel);
429
430 return false;
431}
432
433void 1011void
434rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1012rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
435{ 1013{
436#if XFT 1014 Display *dpy = display->dpy;
437 cr = c.color.red; 1015 char *data = 0;
438 cg = c.color.green; 1016 unsigned int data_len = 0;
439 cb = c.color.blue; 1017 unsigned long bytes_after;
440#else 1018 XTextProperty ct;
441 XColor c;
442 1019
443 c.pixel = p; 1020 // check for failed XConvertSelection
444 XQueryColor (display->display, display->cmap, &c); 1021 if (prop == None)
1022 {
1023 bool error = true;
1024 int selnum = selection_type & Sel_whereMask;
445 1025
446 cr = c.red; 1026 if (selection_type & Sel_CompoundText)
447 cg = c.green; 1027 {
448 cb = c.blue; 1028 selection_type = 0;
449#endif 1029 error = !request (XA_STRING, selnum);
450} 1030 }
451 1031
1032 if (selection_type & Sel_UTF8String)
1033 {
1034 selection_type = Sel_CompoundText;
1035 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1036 }
1037
1038 if (error)
1039 {
1040 ct.value = 0;
1041 goto bailout;
1042 }
1043
1044 return;
1045 }
1046
1047 // length == (2^31 - 1) / 4, as gdk
1048 if (XGetWindowProperty (dpy, win, prop,
1049 0, 0x1fffffff,
1050 delete_prop, AnyPropertyType,
1051 &ct.encoding, &ct.format,
1052 &ct.nitems, &bytes_after,
1053 &ct.value) != Success)
1054 {
1055 ct.value = 0;
1056 goto bailout;
1057 }
1058
1059 if (ct.encoding == None)
1060 goto bailout;
1061
1062 if (ct.value == 0)
1063 goto bailout;
1064
1065 if (ct.encoding == display->xa[XA_INCR])
1066 {
1067 // INCR selection, start handshake
1068 if (!delete_prop)
1069 XDeleteProperty (dpy, win, prop);
1070
1071 selection_wait = Sel_incr;
1072 timer_ev.again ();
1073
1074 goto bailout;
1075 }
1076
1077 if (ct.nitems == 0)
1078 {
1079 if (selection_wait == Sel_incr)
1080 {
1081 XFree (ct.value);
1082
1083 // finally complete, now paste the whole thing
1084 selection_wait = Sel_normal;
1085 ct.value = (unsigned char *)incr_buf;
1086 ct.nitems = incr_buf_fill;
1087 incr_buf = 0;
1088 timer_ev.stop ();
1089 }
1090 else
1091 {
1092 // avoid recursion
1093 if (win != display->root || prop != XA_CUT_BUFFER0)
1094 {
1095 XFree (ct.value);
1096
1097 // fallback to CUT_BUFFER0 if the requested property
1098 // has an owner but is empty
1099 handle_selection (display->root, XA_CUT_BUFFER0, False);
1100 return;
1101 }
1102
1103 goto bailout;
1104 }
1105 }
1106 else if (selection_wait == Sel_incr)
1107 {
1108 timer_ev.again ();
1109
1110 while (incr_buf_fill + ct.nitems > incr_buf_size)
1111 {
1112 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1113 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1114 }
1115
1116 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1117 incr_buf_fill += ct.nitems;
1118
1119 goto bailout;
1120 }
1121
1122 char **cl;
1123 int cr;
1124
1125 // we honour the first item only
1126
1127#if !ENABLE_MINIMAL
1128 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1129 // so recode it manually
1130 if (ct.encoding == display->xa[XA_UTF8_STRING])
1131 {
1132 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1133 data = rxvt_wcstombs (w);
1134 free (w);
1135 }
1136 else
1137#endif
1138 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1139 && cl)
1140 {
1141 data = strdup (cl[0]);
1142 XFreeStringList (cl);
1143 }
1144 else
1145 {
1146 // paste raw
1147 data = strdup ((const char *)ct.value);
1148 }
1149
1150 data_len = strlen (data);
1151
1152bailout:
1153 XFree (ct.value);
1154
1155 if (selection_wait == Sel_normal)
1156 {
1157 finish (data, data_len);
1158 free (data);
1159 }
1160}
1161
452void 1162void
453rxvt_color::free (rxvt_display *display) 1163rxvt_selection::timer_cb (ev::timer &w, int revents)
454{ 1164{
455#if XFT 1165 if (selection_wait == Sel_incr)
456 XftColorFree (display->display, display->visual, display->cmap, &c); 1166 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
457#else
458 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
459#endif
460}
461 1167
462rxvt_color 1168 finish ();
463rxvt_color::fade (rxvt_display *display, int percent)
464{
465 unsigned short cr, cg, cb;
466 rxvt_color faded;
467
468 get (display, cr, cg, cb);
469 faded.set (display,
470 cr * percent / 100,
471 cg * percent / 100,
472 cb * percent / 100);
473
474 return faded;
475} 1169}
476 1170
1171void
1172rxvt_selection::x_cb (XEvent &xev)
1173{
1174 switch (xev.type)
1175 {
1176 case PropertyNotify:
1177 if (selection_wait == Sel_incr
1178 && xev.xproperty.atom == request_prop
1179 && xev.xproperty.state == PropertyNewValue)
1180 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1181 break;
1182
1183 case SelectionNotify:
1184 if (selection_wait == Sel_normal
1185 && xev.xselection.time == request_time)
1186 {
1187 timer_ev.stop ();
1188 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1189 }
1190 break;
1191 }
1192}

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