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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.2 by root, Sun Aug 15 04:54:21 2004 UTC vs.
Revision 1.131 by root, Fri Feb 24 07:10:54 2012 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtcolor.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 {
… …
82 delete obj; 145 delete obj;
83 } 146 }
84} 147}
85 148
86template<class T> 149template<class T>
87refcache<T>::~refcache () 150void refcache<T>::clear ()
88{ 151{
89 while (this->size ()) 152 while (this->size ())
90 put (*this->begin ()); 153 put (*this->begin ());
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)
101#endif 165#endif
102{ 166{
103 rxvt_xim *xim = (rxvt_xim *)client_data; 167 rxvt_xim *xim = (rxvt_xim *)client_data;
104 rxvt_display *display = xim->display; 168 rxvt_display *display = xim->display;
105 169
170 xim->xim = 0;
171
106 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 172 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
107
108 display->im_change_cb (); 173 display->im_change_cb ();
109} 174}
110 175
176bool
111bool rxvt_xim::init () 177rxvt_xim::ref_init ()
112{ 178{
113 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
114 180
115 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
116 182
117 if (!xim) 183 if (!xim)
118 return false; 184 return false;
119 185
120 XIMCallback ximcallback; 186 XIMCallback ximcallback;
121 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
122 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
123 189
124 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
125 191
126 return true; 192 return true;
127} 193}
128 194
129rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
130{ 196{
131 if (xim) 197 if (xim)
132 XCloseIM (xim); 198 XCloseIM (xim);
133} 199}
200
134#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}
135 294
136///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
137 296
138rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
139: refcounted (id) 298: refcounted (id)
140, x_ev (this, &rxvt_display::x_cb)
141, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
142{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
143} 304}
144 305
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
145bool rxvt_display::init () 430bool rxvt_display::ref_init ()
146{ 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)
147 display = XOpenDisplay (id); 447 dpy = XOpenDisplay (id);
148 448
149 if (!display) 449 if (!dpy)
150 return false; 450 return false;
151 451
152 screen = DefaultScreen (display); 452 screen = DefaultScreen (dpy);
153 root = DefaultRootWindow (display); 453 root = DefaultRootWindow (dpy);
154 visual = DefaultVisual (display, screen);
155 cmap = DefaultColormap (display, screen);
156 depth = DefaultDepth (display, screen);
157 454
455 assert (ecb_array_length (xa_names) == NUM_XA);
456 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
457
458 XrmSetDatabase (dpy, get_resources (false));
459
460#ifdef POINTER_BLANK
461 XColor blackcolour;
462 blackcolour.red = 0;
463 blackcolour.green = 0;
464 blackcolour.blue = 0;
465 Font f = XLoadFont (dpy, "fixed");
466 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
467 &blackcolour, &blackcolour);
468 XUnloadFont (dpy, f);
469#endif
470
158 int fd = XConnectionNumber (display); 471 int fd = XConnectionNumber (dpy);
159 472
160#ifndef NO_SLOW_LINK_SUPPORT
161 // try to detetc wether we have a local connection. 473 // try to detect whether we have a local connection.
162 // assume unix domains socket == local, everything else not 474 // assume unix domain socket == local, everything else not
163 // TODO: might want to check for inet/127.0.0.1 475 // TODO: might want to check for inet/127.0.0.1
164 is_local = 0; 476 is_local = 0;
165 sockaddr_un sa; 477 sockaddr_un sa;
166 socklen_t sl = sizeof (sa); 478 socklen_t sl = sizeof (sa);
167 479
168 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 480 if (!getsockname (fd, (sockaddr *)&sa, &sl))
169 is_local = sa.sun_family == AF_LOCAL; 481 is_local = sa.sun_family == AF_UNIX;
170#endif
171 482
172#ifdef PREFER_24BIT 483 flush_ev.start ();
173 /*
174 * If depth is not 24, look for a 24bit visual.
175 */
176 if (depth != 24)
177 {
178 XVisualInfo vinfo;
179
180 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
181 {
182 depth = 24;
183 visual = vinfo.visual;
184 cmap = XCreateColormap (display,
185 RootWindow (display, screen),
186 visual, AllocNone);
187 }
188 }
189#endif
190
191 x_ev.start (fd, EVENT_READ); 484 x_ev.start (fd, ev::READ);
192 fcntl (fd, F_SETFD, FD_CLOEXEC); 485 fcntl (fd, F_SETFD, FD_CLOEXEC);
193 486
194 XSelectInput (display, root, PropertyChangeMask); 487 XSelectInput (dpy, root, PropertyChangeMask);
488
489 flush ();
490
491 return true;
492}
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
507rxvt_display::~rxvt_display ()
508{
509 if (!dpy)
510 return;
511
512#ifdef POINTER_BLANK
513 XFreeCursor (dpy, blank_cursor);
514#endif
515 x_ev.stop ();
516 flush_ev.stop ();
195#ifdef USE_XIM 517#ifdef USE_XIM
196 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0); 518 xims.clear ();
197#endif 519#endif
198 520 XrmDestroyDatabase (XrmGetDatabase (dpy));
199 flush ();
200
201 return true;
202}
203
204rxvt_display::~rxvt_display ()
205{
206 x_ev.stop ();
207
208 if (display)
209 XCloseDisplay (display); 521 XCloseDisplay (dpy);
210} 522}
211 523
212#ifdef USE_XIM 524#ifdef USE_XIM
213void rxvt_display::im_change_cb () 525void rxvt_display::im_change_cb ()
214{ 526{
215 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 527 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
216 (*i)->call (); 528 (*i)->call ();
217} 529}
218#endif
219 530
531void rxvt_display::im_change_check ()
532{
533 // try to only call im_change_cb when a new input method
534 // registers, as xlib crashes due to a race otherwise.
535 Atom actual_type, *atoms;
536 int actual_format;
537 unsigned long nitems, bytes_after;
538
539 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
540 False, XA_ATOM, &actual_type, &actual_format,
541 &nitems, &bytes_after, (unsigned char **)&atoms)
542 != Success)
543 return;
544
545 if (actual_type == XA_ATOM && actual_format == 32)
546 for (int i = 0; i < nitems; i++)
547 if (XGetSelectionOwner (dpy, atoms[i]))
548 {
549 im_change_cb ();
550 break;
551 }
552
553 XFree (atoms);
554}
555#endif
556
220void rxvt_display::x_cb (io_watcher &w, short revents) 557void rxvt_display::x_cb (ev::io &w, int revents)
221{ 558{
559 flush_ev.start ();
560}
561
562void rxvt_display::flush_cb (ev::prepare &w, int revents)
563{
564 while (XEventsQueued (dpy, QueuedAfterFlush))
222 do 565 do
223 { 566 {
224 XEvent xev; 567 XEvent xev;
225 XNextEvent (display, &xev); 568 XNextEvent (dpy, &xev);
226
227 //printf ("T %d w %lx\n", xev.type, xev.xany.window);//D
228 569
229#ifdef USE_XIM 570#ifdef USE_XIM
571 if (!XFilterEvent (&xev, None))
572 {
230 if (xev.type == PropertyNotify 573 if (xev.type == PropertyNotify
231 && xev.xany.window == root 574 && xev.xany.window == root
232 && xev.xproperty.atom == xa_xim_servers) 575 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
233 im_change_cb (); 576 im_change_check ();
234#endif 577#endif
578 if (xev.type == MappingNotify)
579 XRefreshKeyboardMapping (&xev.xmapping);
235 580
236 for (int i = xw.size (); i--; ) 581 for (int i = xw.size (); i--; )
237 { 582 {
238 if (!xw[i]) 583 if (!xw[i])
239 xw.erase_unordered (i); 584 xw.erase_unordered (i);
240 else if (xw[i]->window == xev.xany.window) 585 else if (xw[i]->window == xev.xany.window)
241 xw[i]->call (xev); 586 xw[i]->call (xev);
587 }
588#ifdef USE_XIM
242 } 589 }
590#endif
243 } 591 }
244 while (XPending (display)); 592 while (XEventsQueued (dpy, QueuedAlready));
245 593
246 flush (); 594 w.stop ();
247}
248
249void rxvt_display::flush ()
250{
251 for (;;)
252 {
253 if (!XPending (display))
254 break;
255
256 x_cb (x_ev, 0);
257 }
258} 595}
259 596
260void rxvt_display::reg (xevent_watcher *w) 597void rxvt_display::reg (xevent_watcher *w)
261{ 598{
599 if (!w->active)
600 {
262 xw.push_back (w); 601 xw.push_back (w);
263 w->active = xw.size (); 602 w->active = xw.size ();
603 }
264} 604}
265 605
266void rxvt_display::unreg (xevent_watcher *w) 606void rxvt_display::unreg (xevent_watcher *w)
267{ 607{
268 if (w->active) 608 if (w->active)
609 {
269 xw[w->active - 1] = 0; 610 xw[w->active - 1] = 0;
611 w->active = 0;
612 }
270} 613}
271 614
272void rxvt_display::set_selection_owner (rxvt_term *owner) 615void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
273{ 616{
617 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
618
274 if (selection_owner && selection_owner != owner) 619 if (cur_owner && cur_owner != owner)
275 selection_owner->selection_clear (); 620 {
621 rxvt_term *term = cur_owner;
622 term->selection_clear (clipboard);
623 term->flush ();
624 }
276 625
277 selection_owner = owner; 626 cur_owner = owner;
278} 627}
279 628
280#ifdef USE_XIM 629#ifdef USE_XIM
630
281void rxvt_display::reg (im_watcher *w) 631void rxvt_display::reg (im_watcher *w)
282{ 632{
283 imw.push_back (w); 633 imw.push_back (w);
284} 634}
285 635
… …
294 int l, m; 644 int l, m;
295 645
296 l = strlen (locale); 646 l = strlen (locale);
297 m = strlen (modifiers); 647 m = strlen (modifiers);
298 648
299 if (!(id = (char *)malloc (l + m + 2))) 649 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
300 return 0; 650 return 0;
301 651
302 memcpy (id, locale, l); id[l] = '\n'; 652 memcpy (id, locale, l); id[l] = '\n';
303 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 653 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
304 654
305 rxvt_xim *xim = xims.get (id); 655 rxvt_xim *xim = xims.get (id);
306 656
307 free (id);
308
309 return xim; 657 return xim;
310} 658}
311 659
312void rxvt_display::put_xim (rxvt_xim *xim) 660void rxvt_display::put_xim (rxvt_xim *xim)
313{ 661{
662# if XLIB_IS_RACEFREE
314 xims.put (xim); 663 xims.put (xim);
664# endif
315} 665}
666
316#endif 667#endif
317 668
318Atom rxvt_display::atom (const char *name) 669Atom rxvt_display::atom (const char *name)
319{ 670{
320 return XInternAtom (display, name, False); 671 return XInternAtom (dpy, name, False);
321} 672}
322 673
323///////////////////////////////////////////////////////////////////////////// 674/////////////////////////////////////////////////////////////////////////////
324 675
325template class refcache<rxvt_display>; 676template class refcache<rxvt_display>;
326refcache<rxvt_display> displays; 677refcache<rxvt_display> displays;
327 678
328///////////////////////////////////////////////////////////////////////////// 679/////////////////////////////////////////////////////////////////////////////
329 680//
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
330bool 688bool
331rxvt_color::set (rxvt_display *display, Pixel p) 689rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
332{ 690{
691 //TODO: only supports 24 bit
692 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
693
333#if XFT 694#if XFT
334 XColor xc; 695 XRenderPictFormat *format;
335 696
336 xc.pixel = p; 697 // FUCKING Xft gets it wrong, of course, so work around it.
337 if (!XQueryColor (display->display, display->cmap, &xc)) 698 // Transparency users should eat shit and die, and then
338 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;
339 708
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 {
340 XRenderColor d; 724 XRenderColor d;
341 725
342 d.red = xc.red; 726 d.red = color.r;
343 d.green = xc.green; 727 d.green = color.g;
344 d.blue = xc.blue; 728 d.blue = color.b;
345 d.alpha = 0xffff; 729 d.alpha = alpha;
346 730
347 return 731 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
348 XftColorAllocValue (display->display, 732 return true;
349 display->visual, 733 }
350 display->cmap,
351 &d, &c);
352#else 734#else
353 this->p = p; 735 c.red = color.r;
354#endif 736 c.green = color.g;
737 c.blue = color.b;
355 738
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))
356 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;
357} 756}
358 757
359bool 758bool
360rxvt_color::set (rxvt_display *display, const char *name) 759rxvt_color::set (rxvt_screen *screen, const char *name)
361{ 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 {
362 XColor xc; 777 XColor xc;
363 778
364 if (XParseColor (display->display, display->cmap, name, &xc)) 779 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
365 return set (display, xc.red, xc.green, xc.blue); 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{
850#if XFT
851 color.r = c.color.red;
852 color.g = c.color.green;
853 color.b = c.color.blue;
854 color.a = c.color.alpha;
855#else
856 color.r = c.red;
857 color.g = c.green;
858 color.b = c.blue;
859 color.a = rgba::MAX_CC;
860#endif
861}
862
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
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 }
366 1007
367 return false; 1008 return false;
368} 1009}
369 1010
370bool
371rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
372{
373 XColor xc;
374
375 xc.red = cr;
376 xc.green = cg;
377 xc.blue = cb;
378 xc.flags = DoRed | DoGreen | DoBlue;
379
380 if (XAllocColor (display->display, display->cmap, &xc))
381 return set (display, xc.pixel);
382
383 return false;
384}
385
386void 1011void
387rxvt_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)
388{ 1013{
389#if XFT 1014 Display *dpy = display->dpy;
390 cr = c.color.red; 1015 char *data = 0;
391 cg = c.color.green; 1016 unsigned int data_len = 0;
392 cb = c.color.blue; 1017 unsigned long bytes_after;
393#else 1018 XTextProperty ct;
394 XColor c;
395 1019
396 c.pixel = p; 1020 // check for failed XConvertSelection
397 XQueryColor (display->display, display->cmap, &c); 1021 if (prop == None)
1022 {
1023 bool error = true;
1024 int selnum = selection_type & Sel_whereMask;
398 1025
399 cr = c.red; 1026 if (selection_type & Sel_CompoundText)
400 cg = c.green; 1027 {
401 cb = c.blue; 1028 selection_type = 0;
402#endif 1029 error = !request (XA_STRING, selnum);
403} 1030 }
404 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
405void 1162void
406rxvt_color::free (rxvt_display *display) 1163rxvt_selection::timer_cb (ev::timer &w, int revents)
407{ 1164{
408#if XFT 1165 if (selection_wait == Sel_incr)
409 XftColorFree (display->display, display->visual, display->cmap, &c); 1166 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
410#else
411 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
412#endif
413}
414 1167
415rxvt_color 1168 finish ();
416rxvt_color::fade (rxvt_display *display, int percent)
417{
418 unsigned short cr, cg, cb;
419 rxvt_color faded;
420
421 get (display, cr, cg, cb);
422 faded.set (display,
423 cr * percent / 100,
424 cg * percent / 100,
425 cb * percent / 100);
426
427 return faded;
428} 1169}
429 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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