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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 1.116 by sf-exg, Fri Feb 11 11:26:30 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.
… …
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 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
437 strcpy (val, "unix/");
438 strcat (val, id);
439 dpy = XOpenDisplay (val);
440 }
441 else
442#endif
443 dpy = 0;
444
445 if (!dpy)
148 display = XOpenDisplay (id); 446 dpy = XOpenDisplay (id);
149 447
150 if (!display) 448 if (!dpy)
151 return false; 449 return false;
152 450
153 screen = DefaultScreen (display); 451 screen = DefaultScreen (dpy);
154 root = DefaultRootWindow (display); 452 root = DefaultRootWindow (dpy);
155 visual = DefaultVisual (display, screen);
156 cmap = DefaultColormap (display, screen);
157 depth = DefaultDepth (display, screen);
158 453
159 int fd = XConnectionNumber (display); 454 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
160 456
161#ifndef NO_SLOW_LINK_SUPPORT 457 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
172 458
173#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
174 XColor blackcolour; 460 XColor blackcolour;
175 blackcolour.red = 0; 461 blackcolour.red = 0;
176 blackcolour.green = 0; 462 blackcolour.green = 0;
177 blackcolour.blue = 0; 463 blackcolour.blue = 0;
178 Font f = XLoadFont (display, "fixed"); 464 Font f = XLoadFont (dpy, "fixed");
179 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
180 &blackcolour, &blackcolour); 466 &blackcolour, &blackcolour);
181 XUnloadFont (display, f); 467 XUnloadFont (dpy, f);
182#endif 468#endif
183 469
184#ifdef PREFER_24BIT 470 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;
191 471
192 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 472 // try to detect whether we have a local connection.
193 { 473 // assume unix domain socket == local, everything else not
194 depth = 24; 474 // TODO: might want to check for inet/127.0.0.1
195 visual = vinfo.visual; 475 is_local = 0;
196 cmap = XCreateColormap (display, 476 sockaddr_un sa;
197 RootWindow (display, screen), 477 socklen_t sl = sizeof (sa);
198 visual, AllocNone);
199 }
200 }
201#endif
202 478
479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
480 is_local = sa.sun_family == AF_UNIX;
481
482 flush_ev.start ();
203 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
204 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
205 485
206 XSelectInput (display, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
207#ifdef USE_XIM
208 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
209#endif
210 487
211 flush (); 488 flush ();
212 489
213 return true; 490 return true;
214} 491}
215 492
493void
494rxvt_display::ref_next ()
495{
496 // TODO: somehow check whether the database files/resources changed
497 // before affording re-loading/parsing
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
503 XrmSetDatabase (dpy, get_resources (true));
504}
505
216rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
217{ 507{
508 if (!dpy)
509 return;
510
511#ifdef POINTER_BLANK
512 XFreeCursor (dpy, blank_cursor);
513#endif
218 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
219#ifdef USE_XIM 516#ifdef USE_XIM
220 xims.clear (); 517 xims.clear ();
221#endif 518#endif
222 519 XrmDestroyDatabase (XrmGetDatabase (dpy));
223 if (display)
224 XCloseDisplay (display); 520 XCloseDisplay (dpy);
225} 521}
226 522
227#ifdef USE_XIM 523#ifdef USE_XIM
228void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
229{ 525{
… …
237 // registers, as xlib crashes due to a race otherwise. 533 // registers, as xlib crashes due to a race otherwise.
238 Atom actual_type, *atoms; 534 Atom actual_type, *atoms;
239 int actual_format; 535 int actual_format;
240 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
241 537
242 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
243 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
244 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
245 != Success ) 541 != Success)
246 return; 542 return;
247 543
248 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
249 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
250 if (XGetSelectionOwner (display, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
251 { 547 {
252 im_change_cb (); 548 im_change_cb ();
253 break; 549 break;
254 } 550 }
255 551
256 XFree (atoms); 552 XFree (atoms);
257} 553}
258#endif 554#endif
259 555
260void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
261{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
262 do 564 do
263 { 565 {
264 XEvent xev; 566 XEvent xev;
265 XNextEvent (display, &xev); 567 XNextEvent (dpy, &xev);
266 568
267#ifdef USE_XIM 569#ifdef USE_XIM
268 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
269 { 571 {
270
271 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
272 && xev.xany.window == root 573 && xev.xany.window == root
273 && xev.xproperty.atom == xa_xim_servers) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
274 im_change_check (); 575 im_change_check ();
275#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
276 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
277 { 581 {
278 if (!xw[i]) 582 if (!xw[i])
279 xw.erase_unordered (i); 583 xw.erase_unordered (i);
280 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
281 xw[i]->call (xev); 585 xw[i]->call (xev);
282 } 586 }
283#ifdef USE_XIM 587#ifdef USE_XIM
284 } 588 }
285#endif 589#endif
286 } 590 }
287 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
288 592
289 XFlush (display); 593 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} 594}
299 595
300void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
301{ 597{
598 if (!w->active)
599 {
302 xw.push_back (w); 600 xw.push_back (w);
303 w->active = xw.size (); 601 w->active = xw.size ();
602 }
304} 603}
305 604
306void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
307{ 606{
308 if (w->active) 607 if (w->active)
608 {
309 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
310} 612}
311 613
312void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
313{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
314 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
315 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
316 624
317 selection_owner = owner; 625 cur_owner = owner;
318} 626}
319 627
320#ifdef USE_XIM 628#ifdef USE_XIM
629
321void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
322{ 631{
323 imw.push_back (w); 632 imw.push_back (w);
324} 633}
325 634
… …
334 int l, m; 643 int l, m;
335 644
336 l = strlen (locale); 645 l = strlen (locale);
337 m = strlen (modifiers); 646 m = strlen (modifiers);
338 647
339 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
340 return 0; 649 return 0;
341 650
342 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
343 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
344 653
345 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
346 655
347 free (id);
348
349 return xim; 656 return xim;
350} 657}
351 658
352void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
353{ 660{
354#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
355 xims.put (xim); 662 xims.put (xim);
356#endif 663# endif
357} 664}
665
358#endif 666#endif
359 667
360Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
361{ 669{
362 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
363} 671}
364 672
365///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
366 674
367template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
368refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
369 677
370///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
371 679//
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
372bool 687bool
373rxvt_color::set (rxvt_display *display, Pixel p) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
374{ 689{
690 //TODO: only supports 24 bit
691 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
375#if XFT 693#if XFT
376 XColor xc; 694 XRenderPictFormat *format;
377 695
378 xc.pixel = p; 696 // FUCKING Xft gets it wrong, of course, so work around it.
379 if (!XQueryColor (display->display, display->cmap, &xc)) 697 // Transparency users should eat shit and die, and then
380 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;
381 707
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 {
382 XRenderColor d; 717 XRenderColor d;
383 718
384 d.red = xc.red; 719 d.red = color.r;
385 d.green = xc.green; 720 d.green = color.g;
386 d.blue = xc.blue; 721 d.blue = color.b;
387 d.alpha = 0xffff; 722 d.alpha = alpha;
388 723
389 return 724 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
390 XftColorAllocValue (display->display, 725 }
391 display->visual,
392 display->cmap,
393 &d, &c);
394#else 726#else
395 this->p = p; 727 c.red = color.r;
396#endif 728 c.green = color.g;
729 c.blue = color.b;
397 730
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))
398 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;
399} 748}
400 749
401bool 750bool
402rxvt_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)
403{ 841{
404#if XFT 842#if XFT
405 return XftColorAllocName (display->display, display->visual, display->cmap, 843 color.r = c.color.red;
406 name, &c); 844 color.g = c.color.green;
845 color.b = c.color.blue;
846 color.a = c.color.alpha;
407#else 847#else
408 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}
409 854
410 if (XParseColor (display->display, display->cmap, name, &xc)) 855void
411 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, sel_cb cb, void *ptr)
898: display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr)
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
910#if X_HAVE_UTF8_STRING
911 selection_type = Sel_UTF8String;
912 if (request (display->xa[XA_UTF8_STRING], selnum))
913 return;
914#else
915 selection_type = Sel_CompoundText;
916 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
917 return;
918#endif
919
920 // fallback to CUT_BUFFER0 if the requested property has no owner
921 handle_selection (display->root, XA_CUT_BUFFER0, false);
922}
923
924rxvt_selection::~rxvt_selection ()
925{
926 stop ();
927}
928
929void
930rxvt_selection::stop ()
931{
932 free (incr_buf);
933 incr_buf = 0;
934 timer_ev.stop ();
935 x_ev.stop (display);
936}
937
938bool
939rxvt_selection::request (Atom target, int selnum)
940{
941 Atom sel;
942
943 selection_type |= selnum;
944
945 if (selnum == Sel_Primary)
946 sel = XA_PRIMARY;
947 else if (selnum == Sel_Secondary)
948 sel = XA_SECONDARY;
949 else
950 sel = display->xa[XA_CLIPBOARD];
951
952 if (XGetSelectionOwner (display->dpy, sel) != None)
953 {
954 XConvertSelection (display->dpy, sel, target, request_prop,
955 request_win, request_time);
956 x_ev.start (display, request_win);
957 timer_ev.again ();
958 return true;
959 }
412 960
413 return false; 961 return false;
414#endif
415} 962}
416 963
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 964void
434rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 965rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
435{ 966{
436#if XFT 967 Display *dpy = display->dpy;
437 cr = c.color.red; 968 char *data = 0;
438 cg = c.color.green; 969 unsigned int data_len = 0;
439 cb = c.color.blue; 970 unsigned long bytes_after;
440#else 971 XTextProperty ct;
441 XColor c;
442 972
443 c.pixel = p; 973 // check for failed XConvertSelection
444 XQueryColor (display->display, display->cmap, &c); 974 if (prop == None)
975 {
976 bool error = true;
977 int selnum = selection_type & Sel_whereMask;
445 978
446 cr = c.red; 979 if (selection_type & Sel_CompoundText)
447 cg = c.green; 980 {
448 cb = c.blue; 981 selection_type = 0;
449#endif 982 error = !request (XA_STRING, selnum);
450} 983 }
451 984
985 if (selection_type & Sel_UTF8String)
986 {
987 selection_type = Sel_CompoundText;
988 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
989 }
990
991 if (error)
992 {
993 ct.value = 0;
994 goto bailout;
995 }
996
997 return;
998 }
999
1000 // length == (2^31 - 1) / 4, as gdk
1001 if (XGetWindowProperty (dpy, win, prop,
1002 0, 0x1fffffff,
1003 delete_prop, AnyPropertyType,
1004 &ct.encoding, &ct.format,
1005 &ct.nitems, &bytes_after,
1006 &ct.value) != Success)
1007 {
1008 ct.value = 0;
1009 goto bailout;
1010 }
1011
1012 if (ct.encoding == None)
1013 goto bailout;
1014
1015 if (ct.value == 0)
1016 goto bailout;
1017
1018 if (ct.encoding == display->xa[XA_INCR])
1019 {
1020 // INCR selection, start handshake
1021 if (!delete_prop)
1022 XDeleteProperty (dpy, win, prop);
1023
1024 selection_wait = Sel_incr;
1025 timer_ev.again ();
1026
1027 goto bailout;
1028 }
1029
1030 if (ct.nitems == 0)
1031 {
1032 if (selection_wait == Sel_incr)
1033 {
1034 XFree (ct.value);
1035
1036 // finally complete, now paste the whole thing
1037 selection_wait = Sel_normal;
1038 ct.value = (unsigned char *)incr_buf;
1039 ct.nitems = incr_buf_fill;
1040 incr_buf = 0;
1041 timer_ev.stop ();
1042 }
1043 else
1044 {
1045 // avoid recursion
1046 if (win != display->root || prop != XA_CUT_BUFFER0)
1047 {
1048 XFree (ct.value);
1049
1050 // fallback to CUT_BUFFER0 if the requested property
1051 // has an owner but is empty
1052 handle_selection (display->root, XA_CUT_BUFFER0, False);
1053 return;
1054 }
1055
1056 goto bailout;
1057 }
1058 }
1059 else if (selection_wait == Sel_incr)
1060 {
1061 timer_ev.again ();
1062
1063 while (incr_buf_fill + ct.nitems > incr_buf_size)
1064 {
1065 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1066 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1067 }
1068
1069 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1070 incr_buf_fill += ct.nitems;
1071
1072 goto bailout;
1073 }
1074
1075 char **cl;
1076 int cr;
1077
1078 // we honour the first item only
1079
1080#if !ENABLE_MINIMAL
1081 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1082 // so recode it manually
1083 if (ct.encoding == display->xa[XA_UTF8_STRING])
1084 {
1085 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1086 data = rxvt_wcstombs (w);
1087 free (w);
1088 }
1089 else
1090#endif
1091 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1092 && cl)
1093 {
1094 data = strdup (cl[0]);
1095 XFreeStringList (cl);
1096 }
1097 else
1098 {
1099 // paste raw
1100 data = strdup ((const char *)ct.value);
1101 }
1102
1103 data_len = strlen (data);
1104
1105bailout:
1106 XFree (ct.value);
1107
1108 if (selection_wait == Sel_normal)
1109 {
1110 stop ();
1111 request_cb (data, data_len, this, user_data);
1112 free (data);
1113 }
1114}
1115
452void 1116void
453rxvt_color::free (rxvt_display *display) 1117rxvt_selection::timer_cb (ev::timer &w, int revents)
454{ 1118{
455#if XFT 1119 if (selection_wait == Sel_incr)
456 XftColorFree (display->display, display->visual, display->cmap, &c); 1120 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 1121
462rxvt_color 1122 stop ();
463rxvt_color::fade (rxvt_display *display, int percent) 1123 request_cb (NULL, 0, this, user_data);
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} 1124}
476 1125
1126void
1127rxvt_selection::x_cb (XEvent &xev)
1128{
1129 switch (xev.type)
1130 {
1131 case PropertyNotify:
1132 if (selection_wait == Sel_incr
1133 && xev.xproperty.atom == request_prop
1134 && xev.xproperty.state == PropertyNewValue)
1135 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1136 break;
1137
1138 case SelectionNotify:
1139 if (selection_wait == Sel_normal
1140 && xev.xselection.time == request_time
1141 && xev.xselection.property == request_prop)
1142 {
1143 timer_ev.stop ();
1144 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1145 }
1146 break;
1147 }
1148}

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