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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.20 by root, Fri Jan 6 02:11:15 2006 UTC vs.
Revision 1.145 by root, Sat Dec 13 10:47:32 2014 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 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
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#if HAVE_IMG || ENABLE_PERL
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 {
… …
90 put (*this->begin ()); 153 put (*this->begin ());
91} 154}
92 155
93///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
94 157
95#ifdef USE_XIM 158#if 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
265#if ENABLE_FRILLS
266
267void
268rxvt_screen::select_visual (int id)
269{
270 XVisualInfo vinfo;
271 vinfo.visualid = id;
272 int n;
273
274 if (XVisualInfo *vi = XGetVisualInfo (dpy, VisualIDMask, &vinfo, &n))
275 {
276 depth = vi->depth;
277 visual = vi->visual;
278
279 XFree (vi);
280
281 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
282 }
283 else
284 rxvt_warn ("no visual found for requested id 0x%02x, using default visual.\n", id);
285}
286
287void
288rxvt_screen::select_depth (int bitdepth)
289{
290 XVisualInfo vinfo;
291
292 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
293 select_visual (vinfo.visualid);
294 else
295 rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth);
296}
297
298#endif
299
300void
301rxvt_screen::clear ()
302{
303#if XFT
304 if (scratch_area)
305 {
306 XFreePixmap (dpy, scratch_area->drawable);
307 delete scratch_area;
308 }
309#endif
310
311 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
312 XFreeColormap (dpy, cmap);
313}
136 314
137///////////////////////////////////////////////////////////////////////////// 315/////////////////////////////////////////////////////////////////////////////
138 316
139rxvt_display::rxvt_display (const char *id) 317rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 318: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 319, selection_owner (0)
320, clipboard_owner (0)
143{ 321{
322 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
323 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 324}
145 325
326XrmDatabase
327rxvt_display::get_resources (bool refresh)
328{
329 char *homedir = getenv ("HOME");
330 char fname[1024];
331
332 /*
333 * get resources using the X library function
334 */
335 char *displayResource, *xe;
336 XrmDatabase rdb1, database = 0;
337
338#if !XLIB_ILLEGAL_ACCESS
339 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
340 database = XrmGetStringDatabase ("");
341#endif
342
343 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
344 // as opposed to "standard practise", we always read in ~/.Xdefaults
345
346 // 6. System wide per application default file.
347
348 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
349 if ((xe = getenv ("XAPPLRESDIR")))
350 {
351 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
352
353 if ((rdb1 = XrmGetFileDatabase (fname)))
354 XrmMergeDatabases (rdb1, &database);
355 }
356
357 // 5. User's per application default file.
358 // none
359
360 // 4. User's defaults file.
361 if (homedir)
362 {
363 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
364
365 if ((rdb1 = XrmGetFileDatabase (fname)))
366 XrmMergeDatabases (rdb1, &database);
367 }
368
369 /* Get any Xserver defaults */
370 if (refresh)
371 {
372 // fucking xlib keeps a copy of the rm string
373 Atom actual_type;
374 int actual_format;
375 unsigned long nitems, nremaining;
376 char *val = 0;
377
378#if XLIB_ILLEGAL_ACCESS
379 if (dpy->xdefaults)
380 XFree (dpy->xdefaults);
381#endif
382
383 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
384 0L, 100000000L, False,
385 XA_STRING, &actual_type, &actual_format,
386 &nitems, &nremaining,
387 (unsigned char **)&val) == Success
388 && actual_type == XA_STRING
389 && actual_format == 8)
390 displayResource = val;
391 else
392 {
393 displayResource = 0;
394
395 if (val)
396 XFree (val);
397 }
398
399#if XLIB_ILLEGAL_ACCESS
400 dpy->xdefaults = displayResource;
401#endif
402 }
403 else
404 displayResource = XResourceManagerString (dpy);
405
406 if (displayResource)
407 {
408 if ((rdb1 = XrmGetStringDatabase (displayResource)))
409 XrmMergeDatabases (rdb1, &database);
410 }
411
412#if !XLIB_ILLEGAL_ACCESS
413 if (refresh && displayResource)
414 XFree (displayResource);
415#endif
416
417 /* Get screen specific resources */
418 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
419
420 if (displayResource)
421 {
422 if ((rdb1 = XrmGetStringDatabase (displayResource)))
423 /* Merge with screen-independent resources */
424 XrmMergeDatabases (rdb1, &database);
425
426 XFree (displayResource);
427 }
428
429 // 3. User's per host defaults file
430 /* Add in XENVIRONMENT file */
431 if ((xe = getenv ("XENVIRONMENT"))
432 && (rdb1 = XrmGetFileDatabase (xe)))
433 XrmMergeDatabases (rdb1, &database);
434 else if (homedir)
435 {
436 struct utsname un;
437
438 if (!uname (&un))
439 {
440 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
441
442 if ((rdb1 = XrmGetFileDatabase (fname)))
443 XrmMergeDatabases (rdb1, &database);
444 }
445 }
446
447 return database;
448}
449
146bool rxvt_display::init () 450bool rxvt_display::ref_init ()
147{ 451{
148#ifdef LOCAL_X_IS_UNIX 452#ifdef LOCAL_X_IS_UNIX
149 if (id[0] == ':') 453 if (id[0] == ':')
150 { 454 {
151 val = rxvt_malloc (5 + strlen (id) + 1); 455 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
456
152 strcpy (val, "unix/"); 457 strcpy (val, "unix/");
153 strcat (val, id); 458 strcat (val, id);
459
154 display = XOpenDisplay (val); 460 dpy = XOpenDisplay (val);
155 free (val);
156 } 461 }
157 else 462 else
158#endif 463#endif
159 display = 0; 464 dpy = 0;
160 465
161 if (!display) 466 if (!dpy)
162 display = XOpenDisplay (id); 467 dpy = XOpenDisplay (id);
163 468
164 if (!display) 469 if (!dpy)
165 return false; 470 return false;
166 471
167 screen = DefaultScreen (display); 472 screen = DefaultScreen (dpy);
168 root = DefaultRootWindow (display); 473 root = DefaultRootWindow (dpy);
169 visual = DefaultVisual (display, screen);
170 cmap = DefaultColormap (display, screen);
171 depth = DefaultDepth (display, screen);
172 474
173 int fd = XConnectionNumber (display); 475 assert (ecb_array_length (xa_names) == NUM_XA);
476 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
174 477
175#ifndef NO_SLOW_LINK_SUPPORT 478 XrmSetDatabase (dpy, get_resources (false));
176 // try to detect wether we have a local connection.
177 // assume unix domains socket == local, everything else not
178 // TODO: might want to check for inet/127.0.0.1
179 is_local = 0;
180 sockaddr_un sa;
181 socklen_t sl = sizeof (sa);
182
183 if (!getsockname (fd, (sockaddr *)&sa, &sl))
184 is_local = sa.sun_family == AF_LOCAL;
185#endif
186 479
187#ifdef POINTER_BLANK 480#ifdef POINTER_BLANK
188 XColor blackcolour; 481 XColor blackcolour;
189 blackcolour.red = 0; 482 blackcolour.red = 0;
190 blackcolour.green = 0; 483 blackcolour.green = 0;
191 blackcolour.blue = 0; 484 blackcolour.blue = 0;
192 Font f = XLoadFont (display, "fixed"); 485 Font f = XLoadFont (dpy, "fixed");
193 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 486 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
194 &blackcolour, &blackcolour); 487 &blackcolour, &blackcolour);
195 XUnloadFont (display, f); 488 XUnloadFont (dpy, f);
196#endif 489#endif
197 490
198#ifdef PREFER_24BIT 491 flags = 0;
199 /* 492#if XRENDER
200 * If depth is not 24, look for a 24bit visual. 493 int major, minor;
201 */ 494 if (XRenderQueryVersion (dpy, &major, &minor))
202 if (depth != 24) 495 if (major > 0 || (major == 0 && minor >= 11))
203 { 496 {
204 XVisualInfo vinfo; 497 flags |= DISPLAY_HAS_RENDER;
205 498
206 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 499 if (XFilters *filters = XRenderQueryFilters (dpy, root))
207 { 500 {
208 depth = 24; 501 for (int i = 0; i < filters->nfilter; i++)
209 visual = vinfo.visual; 502 if (!strcmp (filters->filter [i], FilterConvolution))
210 cmap = XCreateColormap (display, 503 flags |= DISPLAY_HAS_RENDER_CONV;
211 RootWindow (display, screen), 504
212 visual, AllocNone); 505 XFree (filters);
213 } 506 }
214 } 507 }
215#endif 508#endif
216 509
510 int fd = XConnectionNumber (dpy);
511
512 // try to detect whether we have a local connection.
513 // assume unix domain socket == local, everything else not
514 // TODO: might want to check for inet/127.0.0.1
515 is_local = 0;
516 sockaddr_un sa;
517 socklen_t sl = sizeof (sa);
518
519 if (!getsockname (fd, (sockaddr *)&sa, &sl))
520 is_local = sa.sun_family == AF_UNIX;
521
522 flush_ev.start ();
217 x_ev.start (fd, EVENT_READ); 523 x_ev.start (fd, ev::READ);
218 fcntl (fd, F_SETFD, FD_CLOEXEC); 524 fcntl (fd, F_SETFD, FD_CLOEXEC);
219 525
220 XSelectInput (display, root, PropertyChangeMask); 526 XSelectInput (dpy, root, PropertyChangeMask);
221#ifdef USE_XIM
222 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
223#endif
224 527
225 flush (); 528 flush ();
226 529
227 return true; 530 return true;
228} 531}
229 532
533void
534rxvt_display::ref_next ()
535{
536 // TODO: somehow check whether the database files/resources changed
537 // before affording re-loading/parsing
538 XrmDestroyDatabase (XrmGetDatabase (dpy));
539#if XLIB_ILLEGAL_ACCESS
540 /* work around a bug in XrmSetDatabase where it frees the db */
541 dpy->db = 0;
542#endif
543 XrmSetDatabase (dpy, get_resources (true));
544}
545
230rxvt_display::~rxvt_display () 546rxvt_display::~rxvt_display ()
231{ 547{
548 if (!dpy)
549 return;
550
551#ifdef POINTER_BLANK
552 XFreeCursor (dpy, blank_cursor);
553#endif
232 x_ev.stop (); 554 x_ev.stop ();
555 flush_ev.stop ();
233#ifdef USE_XIM 556#if USE_XIM
234 xims.clear (); 557 xims.clear ();
235#endif 558#endif
236 559 XrmDestroyDatabase (XrmGetDatabase (dpy));
237 if (display)
238 XCloseDisplay (display); 560 XCloseDisplay (dpy);
239} 561}
240 562
241#ifdef USE_XIM 563#if USE_XIM
242void rxvt_display::im_change_cb () 564void rxvt_display::im_change_cb ()
243{ 565{
244 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 566 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
245 (*i)->call (); 567 (*i)->call ();
246} 568}
… …
251 // registers, as xlib crashes due to a race otherwise. 573 // registers, as xlib crashes due to a race otherwise.
252 Atom actual_type, *atoms; 574 Atom actual_type, *atoms;
253 int actual_format; 575 int actual_format;
254 unsigned long nitems, bytes_after; 576 unsigned long nitems, bytes_after;
255 577
256 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 578 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
257 False, XA_ATOM, &actual_type, &actual_format, 579 False, XA_ATOM, &actual_type, &actual_format,
258 &nitems, &bytes_after, (unsigned char **)&atoms) 580 &nitems, &bytes_after, (unsigned char **)&atoms)
259 != Success ) 581 != Success)
260 return; 582 return;
261 583
262 if (actual_type == XA_ATOM && actual_format == 32) 584 if (actual_type == XA_ATOM && actual_format == 32)
263 for (int i = 0; i < nitems; i++) 585 for (int i = 0; i < nitems; i++)
264 if (XGetSelectionOwner (display, atoms[i])) 586 if (XGetSelectionOwner (dpy, atoms[i]))
265 { 587 {
266 im_change_cb (); 588 im_change_cb ();
267 break; 589 break;
268 } 590 }
269 591
270 XFree (atoms); 592 XFree (atoms);
271} 593}
272#endif 594#endif
273 595
274void rxvt_display::x_cb (io_watcher &w, short revents) 596void rxvt_display::x_cb (ev::io &w, int revents)
275{ 597{
598 flush_ev.start ();
599}
600
601void rxvt_display::flush_cb (ev::prepare &w, int revents)
602{
603 while (XEventsQueued (dpy, QueuedAfterFlush))
276 do 604 do
277 { 605 {
278 XEvent xev; 606 XEvent xev;
279 XNextEvent (display, &xev); 607 XNextEvent (dpy, &xev);
280 608
281#ifdef USE_XIM 609#if USE_XIM
282 if (!XFilterEvent (&xev, None)) 610 if (!XFilterEvent (&xev, None))
283 { 611 {
284 if (xev.type == PropertyNotify 612 if (xev.type == PropertyNotify
285 && xev.xany.window == root 613 && xev.xany.window == root
286 && xev.xproperty.atom == xa_xim_servers) 614 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
287 im_change_check (); 615 im_change_check ();
288#endif 616#endif
617 if (xev.type == MappingNotify)
618 XRefreshKeyboardMapping (&xev.xmapping);
619
289 for (int i = xw.size (); i--; ) 620 for (int i = xw.size (); i--; )
290 { 621 {
291 if (!xw[i]) 622 if (!xw[i])
292 xw.erase_unordered (i); 623 xw.erase_unordered (i);
293 else if (xw[i]->window == xev.xany.window) 624 else if (xw[i]->window == xev.xany.window)
294 xw[i]->call (xev); 625 xw[i]->call (xev);
295 } 626 }
296#ifdef USE_XIM 627#if USE_XIM
297 } 628 }
298#endif 629#endif
299 } 630 }
300 while (XEventsQueued (display, QueuedAlready)); 631 while (XEventsQueued (dpy, QueuedAlready));
301 632
302 XFlush (display); 633 w.stop ();
303}
304
305void rxvt_display::flush ()
306{
307 if (XEventsQueued (display, QueuedAlready))
308 x_cb (x_ev, EVENT_READ);
309
310 XFlush (display);
311} 634}
312 635
313void rxvt_display::reg (xevent_watcher *w) 636void rxvt_display::reg (xevent_watcher *w)
314{ 637{
638 if (!w->active)
639 {
315 xw.push_back (w); 640 xw.push_back (w);
316 w->active = xw.size (); 641 w->active = xw.size ();
642 }
317} 643}
318 644
319void rxvt_display::unreg (xevent_watcher *w) 645void rxvt_display::unreg (xevent_watcher *w)
320{ 646{
321 if (w->active) 647 if (w->active)
648 {
322 xw[w->active - 1] = 0; 649 xw[w->active - 1] = 0;
650 w->active = 0;
651 }
323} 652}
324 653
325void rxvt_display::set_selection_owner (rxvt_term *owner) 654void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
326{ 655{
656 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
657
327 if (selection_owner && selection_owner != owner) 658 if (cur_owner && cur_owner != owner)
328 selection_owner->selection_clear (); 659 {
660 rxvt_term *term = cur_owner;
661 term->selection_clear (clipboard);
662 term->flush ();
663 }
329 664
330 selection_owner = owner; 665 cur_owner = owner;
331} 666}
332 667
333#ifdef USE_XIM 668#if USE_XIM
669
334void rxvt_display::reg (im_watcher *w) 670void rxvt_display::reg (im_watcher *w)
335{ 671{
336 imw.push_back (w); 672 imw.push_back (w);
337} 673}
338 674
… …
347 int l, m; 683 int l, m;
348 684
349 l = strlen (locale); 685 l = strlen (locale);
350 m = strlen (modifiers); 686 m = strlen (modifiers);
351 687
352 if (!(id = (char *)malloc (l + m + 2))) 688 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
353 return 0; 689 return 0;
354 690
355 memcpy (id, locale, l); id[l] = '\n'; 691 memcpy (id, locale, l); id[l] = '\n';
356 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 692 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
357 693
358 rxvt_xim *xim = xims.get (id); 694 rxvt_xim *xim = xims.get (id);
359 695
360 free (id);
361
362 return xim; 696 return xim;
363} 697}
364 698
365void rxvt_display::put_xim (rxvt_xim *xim) 699void rxvt_display::put_xim (rxvt_xim *xim)
366{ 700{
367#if XLIB_IS_RACEFREE 701# if XLIB_IS_RACEFREE
368 xims.put (xim); 702 xims.put (xim);
369#endif 703# endif
370} 704}
705
371#endif 706#endif
372 707
373Atom rxvt_display::atom (const char *name) 708Atom rxvt_display::atom (const char *name)
374{ 709{
375 return XInternAtom (display, name, False); 710 return XInternAtom (dpy, name, False);
711}
712
713Pixmap
714rxvt_display::get_pixmap_property (Atom property)
715{
716 Pixmap pixmap = None;
717
718 int aformat;
719 unsigned long nitems, bytes_after;
720 Atom atype;
721 unsigned char *prop;
722 int result = XGetWindowProperty (dpy, root, property,
723 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
724 &nitems, &bytes_after, &prop);
725 if (result == Success)
726 {
727 if (atype == XA_PIXMAP)
728 pixmap = *(Pixmap *)prop;
729 XFree (prop);
730 }
731
732 return pixmap;
376} 733}
377 734
378///////////////////////////////////////////////////////////////////////////// 735/////////////////////////////////////////////////////////////////////////////
379 736
380template class refcache<rxvt_display>; 737template class refcache<rxvt_display>;
381refcache<rxvt_display> displays; 738refcache<rxvt_display> displays;
382 739
383///////////////////////////////////////////////////////////////////////////// 740/////////////////////////////////////////////////////////////////////////////
384 741//
742
743static unsigned int
744insert_component (unsigned int value, unsigned int mask, unsigned int shift)
745{
746 return (value * (mask + 1) >> 16) << shift;
747}
748
385bool 749bool
386rxvt_color::set (rxvt_display *display, Pixel p) 750rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
387{ 751{
752 //TODO: only supports 24 bit
753 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
754
388#if XFT 755#if XFT
389 XColor xc; 756 XRenderPictFormat *format;
390 757
391 xc.pixel = p; 758 // FUCKING Xft gets it wrong, of course, so work around it.
392 if (!XQueryColor (display->display, display->cmap, &xc)) 759 // Transparency users should eat shit and die, and then
393 return false; 760 // XRenderQueryPictIndexValues themselves plenty.
761 if ((screen->visual->c_class == TrueColor)
762 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
763 {
764 // the fun lies in doing everything manually...
765 c.color.red = color.r;
766 c.color.green = color.g;
767 c.color.blue = color.b;
768 c.color.alpha = alpha;
394 769
770 // Xft wants premultiplied alpha, but abuses the alpha channel
771 // as blend factor, and doesn't allow us to set the alpha channel
772 c.color.red = c.color.red * alpha / 0xffff;
773 c.color.green = c.color.green * alpha / 0xffff;
774 c.color.blue = c.color.blue * alpha / 0xffff;
775
776 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
777 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
778 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
779 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
780
781 return true;
782 }
783 else
784 {
395 XRenderColor d; 785 XRenderColor d;
396 786
397 d.red = xc.red; 787 d.red = color.r;
398 d.green = xc.green; 788 d.green = color.g;
399 d.blue = xc.blue; 789 d.blue = color.b;
400 d.alpha = 0xffff; 790 d.alpha = alpha;
401 791
402 return 792 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
403 XftColorAllocValue (display->display, 793 return true;
404 display->visual, 794 }
405 display->cmap,
406 &d, &c);
407#else 795#else
408 this->p = p; 796 c.red = color.r;
409#endif 797 c.green = color.g;
798 c.blue = color.b;
410 799
800 if (screen->visual->c_class == TrueColor)
801 {
802 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
803 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
804 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
805
806 return true;
807 }
808 else if (XAllocColor (screen->dpy, screen->cmap, &c))
411 return true; 809 return true;
810#endif
811
812 c.pixel = (color.r + color.g + color.b) > 128*3
813 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
814 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
815
816 return false;
412} 817}
413 818
414bool 819bool
415rxvt_color::set (rxvt_display *display, const char *name) 820rxvt_color::set (rxvt_screen *screen, const char *name)
821{
822 rgba c;
823 char eos;
824 int skip;
825
826 c.a = rgba::MAX_CC;
827
828 // parse the nonstandard "[alphapercent]" prefix
829 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
830 {
831 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
832 name += skip;
833 }
834
835 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
836 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
837 {
838 XColor xc;
839
840 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
841 {
842 c.r = xc.red;
843 c.g = xc.green;
844 c.b = xc.blue;
845 }
846 else
847 {
848 c.r = 0xffff;
849 c.g = 0x6969;
850 c.b = 0xb4b4;
851
852 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
853 }
854 }
855
856 return set (screen, c);
857}
858
859bool
860rxvt_color::set (rxvt_screen *screen, const rgba &color)
861{
862 bool got = alloc (screen, color);
863
864#if !ENABLE_MINIMAL
865 int cmap_size = screen->visual->map_entries;
866
867 if (!got
868 && screen->visual->c_class == PseudoColor
869 && cmap_size < 4096)
870 {
871 XColor *colors = new XColor [screen->visual->map_entries];
872
873 for (int i = 0; i < cmap_size; i++)
874 colors [i].pixel = i;
875
876 // many kilobytes transfer per colour, but pseudocolor isn't worth
877 // many extra optimisations.
878 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
879
880 while (cmap_size)
881 {
882 int diff = 0x7fffffffUL;
883 XColor *best = colors;
884
885 for (int i = 0; i < cmap_size; i++)
886 {
887 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
888 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
889 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
890
891 if (d < diff)
892 {
893 diff = d;
894 best = colors + i;
895 }
896 }
897
898 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d,%d)\n",
899 // color.r, color.g, color.b, best->red, best->green, best->blue, diff, best - colors);
900
901 got = alloc (screen, rgba (best->red, best->green, best->blue));
902
903 if (got)
904 break;
905
906 *best = colors [--cmap_size];
907 }
908
909 delete [] colors;
910 }
911#endif
912
913 return got;
914}
915
916void
917rxvt_color::get (rgba &color) const
416{ 918{
417#if XFT 919#if XFT
418 return XftColorAllocName (display->display, display->visual, display->cmap, 920 color.r = c.color.red;
419 name, &c); 921 color.g = c.color.green;
922 color.b = c.color.blue;
923 color.a = c.color.alpha;
420#else 924#else
421 XColor xc; 925 color.r = c.red;
926 color.g = c.green;
927 color.b = c.blue;
928 color.a = rgba::MAX_CC;
929#endif
930}
422 931
423 if (XParseColor (display->display, display->cmap, name, &xc)) 932void
424 return set (display, xc.red, xc.green, xc.blue); 933rxvt_color::get (XColor &color) const
934{
935 rgba c;
936 get (c);
937
938 color.red = c.r;
939 color.green = c.g;
940 color.blue = c.b;
941 color.pixel = (Pixel)*this;
942}
943
944void
945rxvt_color::free (rxvt_screen *screen)
946{
947 if (screen->visual->c_class == TrueColor)
948 return; // nothing to do
949
950#if XFT
951 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
952#else
953 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
954#endif
955}
956
957void
958rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
959{
960 rgba c;
961 get (c);
962
963 result.set (
964 screen,
965 rgba (
966 lerp (c.r, to.r, percent),
967 lerp (c.g, to.g, percent),
968 lerp (c.b, to.b, percent),
969 lerp (c.a, to.a, percent)
970 )
971 );
972}
973
974rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
975: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
976{
977 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
978
979 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
980 timer_ev.repeat = 10.;
981 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
982
983 incr_buf = 0;
984 incr_buf_size = incr_buf_fill = 0;
985 selection_wait = Sel_normal;
986 selection_type = selnum;
987 cb_sv = 0;
988}
989
990void
991rxvt_selection::stop ()
992{
993 free (incr_buf);
994 incr_buf = 0;
995 timer_ev.stop ();
996 x_ev.stop (display);
997}
998
999rxvt_selection::~rxvt_selection ()
1000{
1001 stop ();
1002}
1003
1004void
1005rxvt_selection::run ()
1006{
1007 int selnum = selection_type;
1008
1009#if ENABLE_FRILLS
1010 if (selnum == Sel_Primary && display->selection_owner)
1011 {
1012 /* internal selection */
1013 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1014 finish (str, strlen (str));
1015 free (str);
1016 return;
1017 }
1018#endif
1019
1020#if X_HAVE_UTF8_STRING
1021 selection_type = Sel_UTF8String;
1022 if (request (display->xa[XA_UTF8_STRING], selnum))
1023 return;
1024#else
1025 selection_type = Sel_CompoundText;
1026 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1027 return;
1028#endif
1029
1030 // fallback to CUT_BUFFER0 if the requested property has no owner
1031 handle_selection (display->root, XA_CUT_BUFFER0, false);
1032}
1033
1034void
1035rxvt_selection::finish (char *data, unsigned int len)
1036{
1037 if (!cb_sv)
1038 {
1039 if (data)
1040 term->paste (data, len);
1041
1042 term->selection_req = 0;
1043 delete this;
1044 }
1045#if ENABLE_PERL
1046 else
1047 {
1048 stop (); // we do not really trust perl callbacks
1049 rxvt_perl.selection_finish (this, data, len);
1050 }
1051#endif
1052}
1053
1054bool
1055rxvt_selection::request (Atom target, int selnum)
1056{
1057 Atom sel;
1058
1059 selection_type |= selnum;
1060
1061 if (selnum == Sel_Primary)
1062 sel = XA_PRIMARY;
1063 else if (selnum == Sel_Secondary)
1064 sel = XA_SECONDARY;
1065 else
1066 sel = display->xa[XA_CLIPBOARD];
1067
1068 if (XGetSelectionOwner (display->dpy, sel) != None)
1069 {
1070 XConvertSelection (display->dpy, sel, target, request_prop,
1071 request_win, request_time);
1072 x_ev.start (display, request_win);
1073 timer_ev.again ();
1074 return true;
1075 }
425 1076
426 return false; 1077 return false;
427#endif
428} 1078}
429 1079
430bool
431rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
432{
433 XColor xc;
434
435 xc.red = cr;
436 xc.green = cg;
437 xc.blue = cb;
438 xc.flags = DoRed | DoGreen | DoBlue;
439
440 if (XAllocColor (display->display, display->cmap, &xc))
441 return set (display, xc.pixel);
442
443 return false;
444}
445
446void 1080void
447rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1081rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
448{ 1082{
449#if XFT 1083 Display *dpy = display->dpy;
450 cr = c.color.red; 1084 char *data = 0;
451 cg = c.color.green; 1085 unsigned int data_len = 0;
452 cb = c.color.blue; 1086 unsigned long bytes_after;
453#else 1087 XTextProperty ct;
454 XColor c;
455 1088
456 c.pixel = p; 1089 // check for failed XConvertSelection
457 XQueryColor (display->display, display->cmap, &c); 1090 if (prop == None)
1091 {
1092 bool error = true;
1093 int selnum = selection_type & Sel_whereMask;
458 1094
459 cr = c.red; 1095 if (selection_type & Sel_CompoundText)
460 cg = c.green; 1096 {
461 cb = c.blue; 1097 selection_type = 0;
462#endif 1098 error = !request (XA_STRING, selnum);
463} 1099 }
464 1100
1101 if (selection_type & Sel_UTF8String)
1102 {
1103 selection_type = Sel_CompoundText;
1104 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1105 }
1106
1107 if (error)
1108 {
1109 ct.value = 0;
1110 goto bailout;
1111 }
1112
1113 return;
1114 }
1115
1116 // length == (2^31 - 1) / 4, as gdk
1117 if (XGetWindowProperty (dpy, win, prop,
1118 0, 0x1fffffff,
1119 delete_prop, AnyPropertyType,
1120 &ct.encoding, &ct.format,
1121 &ct.nitems, &bytes_after,
1122 &ct.value) != Success)
1123 {
1124 ct.value = 0;
1125 goto bailout;
1126 }
1127
1128 if (ct.encoding == None)
1129 goto bailout;
1130
1131 if (ct.value == 0)
1132 goto bailout;
1133
1134 if (ct.encoding == display->xa[XA_INCR])
1135 {
1136 // INCR selection, start handshake
1137 if (!delete_prop)
1138 XDeleteProperty (dpy, win, prop);
1139
1140 selection_wait = Sel_incr;
1141 timer_ev.again ();
1142
1143 goto bailout;
1144 }
1145
1146 if (ct.nitems == 0)
1147 {
1148 if (selection_wait == Sel_incr)
1149 {
1150 XFree (ct.value);
1151
1152 // finally complete, now paste the whole thing
1153 selection_wait = Sel_normal;
1154 ct.value = (unsigned char *)incr_buf;
1155 ct.nitems = incr_buf_fill;
1156 incr_buf = 0;
1157 timer_ev.stop ();
1158 }
1159 else
1160 {
1161 // avoid recursion
1162 if (win != display->root || prop != XA_CUT_BUFFER0)
1163 {
1164 XFree (ct.value);
1165
1166 // fallback to CUT_BUFFER0 if the requested property
1167 // has an owner but is empty
1168 handle_selection (display->root, XA_CUT_BUFFER0, False);
1169 return;
1170 }
1171
1172 goto bailout;
1173 }
1174 }
1175 else if (selection_wait == Sel_incr)
1176 {
1177 timer_ev.again ();
1178
1179 while (incr_buf_fill + ct.nitems > incr_buf_size)
1180 {
1181 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1182 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1183 }
1184
1185 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1186 incr_buf_fill += ct.nitems;
1187
1188 goto bailout;
1189 }
1190
1191 char **cl;
1192 int cr;
1193
1194 // we honour the first item only
1195
1196#if !ENABLE_MINIMAL
1197 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1198 // so recode it manually
1199 if (ct.encoding == display->xa[XA_UTF8_STRING])
1200 {
1201 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1202 data = rxvt_wcstombs (w);
1203 free (w);
1204 }
1205 else
1206#endif
1207 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1208 && cl)
1209 {
1210 data = strdup (cl[0]);
1211 XFreeStringList (cl);
1212 }
1213 else
1214 {
1215 // paste raw
1216 data = strdup ((const char *)ct.value);
1217 }
1218
1219 data_len = strlen (data);
1220
1221bailout:
1222 XFree (ct.value);
1223
1224 if (selection_wait == Sel_normal)
1225 {
1226 finish (data, data_len);
1227 free (data);
1228 }
1229}
1230
465void 1231void
466rxvt_color::free (rxvt_display *display) 1232rxvt_selection::timer_cb (ev::timer &w, int revents)
467{ 1233{
468#if XFT 1234 if (selection_wait == Sel_incr)
469 XftColorFree (display->display, display->visual, display->cmap, &c); 1235 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
470#else
471 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
472#endif
473}
474 1236
475rxvt_color 1237 finish ();
476rxvt_color::fade (rxvt_display *display, int percent)
477{
478 percent = 100 - percent;
479
480 unsigned short cr, cg, cb;
481 rxvt_color faded;
482
483 get (display, cr, cg, cb);
484
485 faded.set (
486 display,
487 cr * percent / 100,
488 cg * percent / 100,
489 cb * percent / 100
490 );
491
492 return faded;
493} 1238}
494 1239
495#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1240void
496 1241rxvt_selection::x_cb (XEvent &xev)
497rxvt_color
498rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
499{ 1242{
500 percent = 100 - percent; 1243 switch (xev.type)
1244 {
1245 case PropertyNotify:
1246 if (selection_wait == Sel_incr
1247 && xev.xproperty.atom == request_prop
1248 && xev.xproperty.state == PropertyNewValue)
1249 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1250 break;
501 1251
502 unsigned short cr, cg, cb; 1252 case SelectionNotify:
503 unsigned short fcr, fcg, fcb; 1253 if (selection_wait == Sel_normal
504 rxvt_color faded; 1254 && xev.xselection.time == request_time)
505 1255 {
506 get (display, cr, cg, cb); 1256 timer_ev.stop ();
507 fadeto.get(display, fcr, fcg, fcb); 1257 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
508 1258 }
509 faded.set ( 1259 break;
510 display, 1260 }
511 LERP (cr, fcr, percent),
512 LERP (cg, fcg, percent),
513 LERP (cb, fcb, percent)
514 );
515
516 return faded;
517} 1261}
518

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