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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.12 by root, Mon Jan 17 00:59:24 2005 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{
452#ifdef LOCAL_X_IS_UNIX
453 if (id[0] == ':')
454 {
455 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
456
457 strcpy (val, "unix/");
458 strcat (val, id);
459
460 dpy = XOpenDisplay (val);
461 }
462 else
463#endif
464 dpy = 0;
465
466 if (!dpy)
148 display = XOpenDisplay (id); 467 dpy = XOpenDisplay (id);
149 468
150 if (!display) 469 if (!dpy)
151 return false; 470 return false;
152 471
153 screen = DefaultScreen (display); 472 screen = DefaultScreen (dpy);
154 root = DefaultRootWindow (display); 473 root = DefaultRootWindow (dpy);
155 visual = DefaultVisual (display, screen);
156 cmap = DefaultColormap (display, screen);
157 depth = DefaultDepth (display, screen);
158 474
159 int fd = XConnectionNumber (display); 475 assert (ecb_array_length (xa_names) == NUM_XA);
476 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
160 477
161#ifndef NO_SLOW_LINK_SUPPORT 478 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
172 479
173#ifdef POINTER_BLANK 480#ifdef POINTER_BLANK
174 XColor blackcolour; 481 XColor blackcolour;
175 blackcolour.red = 0; 482 blackcolour.red = 0;
176 blackcolour.green = 0; 483 blackcolour.green = 0;
177 blackcolour.blue = 0; 484 blackcolour.blue = 0;
178 Font f = XLoadFont (display, "fixed"); 485 Font f = XLoadFont (dpy, "fixed");
179 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 486 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
180 &blackcolour, &blackcolour); 487 &blackcolour, &blackcolour);
181 XUnloadFont (display, f); 488 XUnloadFont (dpy, f);
182#endif 489#endif
183 490
184#ifdef PREFER_24BIT 491 flags = 0;
185 /* 492#if XRENDER
186 * If depth is not 24, look for a 24bit visual. 493 int major, minor;
187 */ 494 if (XRenderQueryVersion (dpy, &major, &minor))
188 if (depth != 24) 495 if (major > 0 || (major == 0 && minor >= 11))
189 { 496 {
190 XVisualInfo vinfo; 497 flags |= DISPLAY_HAS_RENDER;
191 498
192 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 499 if (XFilters *filters = XRenderQueryFilters (dpy, root))
193 { 500 {
194 depth = 24; 501 for (int i = 0; i < filters->nfilter; i++)
195 visual = vinfo.visual; 502 if (!strcmp (filters->filter [i], FilterConvolution))
196 cmap = XCreateColormap (display, 503 flags |= DISPLAY_HAS_RENDER_CONV;
197 RootWindow (display, screen), 504
198 visual, AllocNone); 505 XFree (filters);
199 } 506 }
200 } 507 }
201#endif 508#endif
202 509
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 ();
203 x_ev.start (fd, EVENT_READ); 523 x_ev.start (fd, ev::READ);
204 fcntl (fd, F_SETFD, FD_CLOEXEC); 524 fcntl (fd, F_SETFD, FD_CLOEXEC);
205 525
206 XSelectInput (display, root, PropertyChangeMask); 526 XSelectInput (dpy, root, PropertyChangeMask);
207#ifdef USE_XIM
208 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
209#endif
210 527
211 flush (); 528 flush ();
212 529
213 return true; 530 return true;
214} 531}
215 532
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
216rxvt_display::~rxvt_display () 546rxvt_display::~rxvt_display ()
217{ 547{
548 if (!dpy)
549 return;
550
551#ifdef POINTER_BLANK
552 XFreeCursor (dpy, blank_cursor);
553#endif
218 x_ev.stop (); 554 x_ev.stop ();
555 flush_ev.stop ();
219#ifdef USE_XIM 556#if USE_XIM
220 xims.clear (); 557 xims.clear ();
221#endif 558#endif
222 559 XrmDestroyDatabase (XrmGetDatabase (dpy));
223 if (display)
224 XCloseDisplay (display); 560 XCloseDisplay (dpy);
225} 561}
226 562
227#ifdef USE_XIM 563#if USE_XIM
228void rxvt_display::im_change_cb () 564void rxvt_display::im_change_cb ()
229{ 565{
230 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 566 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
231 (*i)->call (); 567 (*i)->call ();
232} 568}
233 569
234void rxvt_display::im_change_check () 570void rxvt_display::im_change_check ()
235{ 571{
236 // make sure we only call im_change_cb when a new input method 572 // try to only call im_change_cb when a new input method
237 // registers, as xlib crashes due to a race otherwise. 573 // registers, as xlib crashes due to a race otherwise.
238 Atom actual_type, *atoms; 574 Atom actual_type, *atoms;
239 int actual_format; 575 int actual_format;
240 unsigned long nitems, bytes_after; 576 unsigned long nitems, bytes_after;
241 577
242 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 578 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
243 False, XA_ATOM, &actual_type, &actual_format, 579 False, XA_ATOM, &actual_type, &actual_format,
244 &nitems, &bytes_after, (unsigned char **)&atoms) 580 &nitems, &bytes_after, (unsigned char **)&atoms)
245 != Success ) 581 != Success)
246 return; 582 return;
247 583
248 if (actual_type == XA_ATOM && actual_format == 32) 584 if (actual_type == XA_ATOM && actual_format == 32)
249 for (int i = 0; i < nitems; i++) 585 for (int i = 0; i < nitems; i++)
250 if (XGetSelectionOwner (display, atoms[i])) 586 if (XGetSelectionOwner (dpy, atoms[i]))
251 { 587 {
252 im_change_cb (); 588 im_change_cb ();
253 break; 589 break;
254 } 590 }
255 591
256 XFree (atoms); 592 XFree (atoms);
257} 593}
258#endif 594#endif
259 595
260void rxvt_display::x_cb (io_watcher &w, short revents) 596void rxvt_display::x_cb (ev::io &w, int revents)
261{ 597{
598 flush_ev.start ();
599}
600
601void rxvt_display::flush_cb (ev::prepare &w, int revents)
602{
603 while (XEventsQueued (dpy, QueuedAfterFlush))
262 do 604 do
263 { 605 {
264 XEvent xev; 606 XEvent xev;
265 XNextEvent (display, &xev); 607 XNextEvent (dpy, &xev);
266 608
267#ifdef USE_XIM 609#if USE_XIM
268 if (!XFilterEvent (&xev, None)) 610 if (!XFilterEvent (&xev, None))
269 { 611 {
270
271 if (xev.type == PropertyNotify 612 if (xev.type == PropertyNotify
272 && xev.xany.window == root 613 && xev.xany.window == root
273 && xev.xproperty.atom == xa_xim_servers) 614 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
274 im_change_check (); 615 im_change_check ();
275#endif 616#endif
617 if (xev.type == MappingNotify)
618 XRefreshKeyboardMapping (&xev.xmapping);
619
276 for (int i = xw.size (); i--; ) 620 for (int i = xw.size (); i--; )
277 { 621 {
278 if (!xw[i]) 622 if (!xw[i])
279 xw.erase_unordered (i); 623 xw.erase_unordered (i);
280 else if (xw[i]->window == xev.xany.window) 624 else if (xw[i]->window == xev.xany.window)
281 xw[i]->call (xev); 625 xw[i]->call (xev);
282 } 626 }
283#ifdef USE_XIM 627#if USE_XIM
284 } 628 }
285#endif 629#endif
286 } 630 }
287 while (XEventsQueued (display, QueuedAlready)); 631 while (XEventsQueued (dpy, QueuedAlready));
288 632
289 XFlush (display); 633 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} 634}
299 635
300void rxvt_display::reg (xevent_watcher *w) 636void rxvt_display::reg (xevent_watcher *w)
301{ 637{
638 if (!w->active)
639 {
302 xw.push_back (w); 640 xw.push_back (w);
303 w->active = xw.size (); 641 w->active = xw.size ();
642 }
304} 643}
305 644
306void rxvt_display::unreg (xevent_watcher *w) 645void rxvt_display::unreg (xevent_watcher *w)
307{ 646{
308 if (w->active) 647 if (w->active)
648 {
309 xw[w->active - 1] = 0; 649 xw[w->active - 1] = 0;
650 w->active = 0;
651 }
310} 652}
311 653
312void rxvt_display::set_selection_owner (rxvt_term *owner) 654void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
313{ 655{
656 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
657
314 if (selection_owner && selection_owner != owner) 658 if (cur_owner && cur_owner != owner)
315 selection_owner->selection_clear (); 659 {
660 rxvt_term *term = cur_owner;
661 term->selection_clear (clipboard);
662 term->flush ();
663 }
316 664
317 selection_owner = owner; 665 cur_owner = owner;
318} 666}
319 667
320#ifdef USE_XIM 668#if USE_XIM
669
321void rxvt_display::reg (im_watcher *w) 670void rxvt_display::reg (im_watcher *w)
322{ 671{
323 imw.push_back (w); 672 imw.push_back (w);
324} 673}
325 674
… …
334 int l, m; 683 int l, m;
335 684
336 l = strlen (locale); 685 l = strlen (locale);
337 m = strlen (modifiers); 686 m = strlen (modifiers);
338 687
339 if (!(id = (char *)malloc (l + m + 2))) 688 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
340 return 0; 689 return 0;
341 690
342 memcpy (id, locale, l); id[l] = '\n'; 691 memcpy (id, locale, l); id[l] = '\n';
343 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 692 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
344 693
345 rxvt_xim *xim = xims.get (id); 694 rxvt_xim *xim = xims.get (id);
346 695
347 free (id);
348
349 return xim; 696 return xim;
350} 697}
351 698
352void rxvt_display::put_xim (rxvt_xim *xim) 699void rxvt_display::put_xim (rxvt_xim *xim)
353{ 700{
354#if XLIB_IS_RACEFREE 701# if XLIB_IS_RACEFREE
355 xims.put (xim); 702 xims.put (xim);
356#endif 703# endif
357} 704}
705
358#endif 706#endif
359 707
360Atom rxvt_display::atom (const char *name) 708Atom rxvt_display::atom (const char *name)
361{ 709{
362 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;
363} 733}
364 734
365///////////////////////////////////////////////////////////////////////////// 735/////////////////////////////////////////////////////////////////////////////
366 736
367template class refcache<rxvt_display>; 737template class refcache<rxvt_display>;
368refcache<rxvt_display> displays; 738refcache<rxvt_display> displays;
369 739
370///////////////////////////////////////////////////////////////////////////// 740/////////////////////////////////////////////////////////////////////////////
371 741//
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
372bool 749bool
373rxvt_color::set (rxvt_display *display, Pixel p) 750rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
374{ 751{
752 //TODO: only supports 24 bit
753 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
754
375#if XFT 755#if XFT
376 XColor xc; 756 XRenderPictFormat *format;
377 757
378 xc.pixel = p; 758 // FUCKING Xft gets it wrong, of course, so work around it.
379 if (!XQueryColor (display->display, display->cmap, &xc)) 759 // Transparency users should eat shit and die, and then
380 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;
381 769
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 {
382 XRenderColor d; 785 XRenderColor d;
383 786
384 d.red = xc.red; 787 d.red = color.r;
385 d.green = xc.green; 788 d.green = color.g;
386 d.blue = xc.blue; 789 d.blue = color.b;
387 d.alpha = 0xffff; 790 d.alpha = alpha;
388 791
389 return 792 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
390 XftColorAllocValue (display->display, 793 return true;
391 display->visual, 794 }
392 display->cmap,
393 &d, &c);
394#else 795#else
395 this->p = p; 796 c.red = color.r;
396#endif 797 c.green = color.g;
798 c.blue = color.b;
397 799
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))
398 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;
399} 817}
400 818
401bool 819bool
402rxvt_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
403{ 918{
404#if XFT 919#if XFT
405 return XftColorAllocName (display->display, display->visual, display->cmap, 920 color.r = c.color.red;
406 name, &c); 921 color.g = c.color.green;
922 color.b = c.color.blue;
923 color.a = c.color.alpha;
407#else 924#else
408 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}
409 931
410 if (XParseColor (display->display, display->cmap, name, &xc)) 932void
411 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 }
412 1076
413 return false; 1077 return false;
414#endif
415} 1078}
416 1079
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 1080void
434rxvt_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)
435{ 1082{
436#if XFT 1083 Display *dpy = display->dpy;
437 cr = c.color.red; 1084 char *data = 0;
438 cg = c.color.green; 1085 unsigned int data_len = 0;
439 cb = c.color.blue; 1086 unsigned long bytes_after;
440#else 1087 XTextProperty ct;
441 XColor c;
442 1088
443 c.pixel = p; 1089 // check for failed XConvertSelection
444 XQueryColor (display->display, display->cmap, &c); 1090 if (prop == None)
1091 {
1092 bool error = true;
1093 int selnum = selection_type & Sel_whereMask;
445 1094
446 cr = c.red; 1095 if (selection_type & Sel_CompoundText)
447 cg = c.green; 1096 {
448 cb = c.blue; 1097 selection_type = 0;
449#endif 1098 error = !request (XA_STRING, selnum);
450} 1099 }
451 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
452void 1231void
453rxvt_color::free (rxvt_display *display) 1232rxvt_selection::timer_cb (ev::timer &w, int revents)
454{ 1233{
455#if XFT 1234 if (selection_wait == Sel_incr)
456 XftColorFree (display->display, display->visual, display->cmap, &c); 1235 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 1236
462rxvt_color 1237 finish ();
463rxvt_color::fade (rxvt_display *display, int percent)
464{
465 unsigned short cr, cg, cb;
466 rxvt_color faded;
467
468 get (display, cr, cg, cb);
469 faded.set (display,
470 cr * percent / 100,
471 cg * percent / 100,
472 cb * percent / 100);
473
474 return faded;
475} 1238}
476 1239
1240void
1241rxvt_selection::x_cb (XEvent &xev)
1242{
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;
1251
1252 case SelectionNotify:
1253 if (selection_wait == Sel_normal
1254 && xev.xselection.time == request_time)
1255 {
1256 timer_ev.stop ();
1257 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1258 }
1259 break;
1260 }
1261}

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