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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.8 by root, Wed Dec 15 05:30:40 2004 UTC vs.
Revision 1.132 by sf-exg, Sun Jun 3 15:50:22 2012 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvttoolkit.C 2 * File: rxvttoolkit.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2011 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
… …
25#include <rxvttoolkit.h> 26#include <rxvttoolkit.h>
26 27
27#include <unistd.h> 28#include <unistd.h>
28#include <fcntl.h> 29#include <fcntl.h>
29 30
30#ifndef NO_SLOW_LINK_SUPPORT 31#include <sys/utsname.h>
31# include <sys/socket.h> 32#include <sys/socket.h>
32# include <sys/un.h> 33#include <sys/un.h>
34
35#if XFT
36# include <X11/extensions/Xrender.h>
37#endif
38
39static const char *const xa_names[] =
40{
41 "TEXT",
42 "COMPOUND_TEXT",
43 "UTF8_STRING",
44 "MULTIPLE",
45 "TARGETS",
46 "TIMESTAMP",
47 "VT_SELECTION",
48 "INCR",
49 "WM_PROTOCOLS",
50 "WM_DELETE_WINDOW",
51 "CLIPBOARD",
52 "AVERAGE_WIDTH",
53 "WEIGHT_NAME",
54 "SLANT",
55 "CHARSET_REGISTRY",
56 "CHARSET_ENCODING",
57#if ENABLE_FRILLS
58 "_MOTIF_WM_HINTS",
59#endif
60#if ENABLE_EWMH
61 "_NET_WM_PID",
62 "_NET_WM_NAME",
63 "_NET_WM_ICON_NAME",
64 "_NET_WM_PING",
65 "_NET_WM_ICON",
66#endif
67#if USE_XIM
68 "WM_LOCALE_NAME",
69 "XIM_SERVERS",
70#endif
71#ifdef ENABLE_TRANSPARENCY
72 "_XROOTPMAP_ID",
73 "ESETROOT_PMAP_ID",
74#endif
75#if ENABLE_XEMBED
76 "_XEMBED",
77 "_XEMBED_INFO",
78#endif
79#if !ENABLE_MINIMAL
80 "SCREEN_RESOURCES",
81 "XDCCC_LINEAR_RGB_CORRECTION",
82 "XDCCC_LINEAR_RGB_MATRICES",
83 "WM_COLORMAP_WINDOWS",
84 "WM_STATE",
85 "cursor",
86# if USE_XIM
87 "TRANSPORT",
88 "LOCALES",
89 "_XIM_PROTOCOL",
90 "_XIM_XCONNECT",
91 "_XIM_MOREDATA",
33#endif 92# endif
93#endif
94};
95
96/////////////////////////////////////////////////////////////////////////////
34 97
35refcounted::refcounted (const char *id) 98refcounted::refcounted (const char *id)
36{ 99{
37 this->id = strdup (id); 100 this->id = strdup (id);
38} 101}
… …
47{ 110{
48 for (T **i = this->begin (); i < this->end (); ++i) 111 for (T **i = this->begin (); i < this->end (); ++i)
49 { 112 {
50 if (!strcmp (id, (*i)->id)) 113 if (!strcmp (id, (*i)->id))
51 { 114 {
52 (*i)->referenced++; 115 ++(*i)->referenced;
116 (*i)->ref_next ();
53 return *i; 117 return *i;
54 } 118 }
55 } 119 }
56 120
57 T *obj = new T (id); 121 T *obj = new T (id);
58 122
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 123 if (obj && obj->ref_init ())
62 { 124 {
125 obj->referenced = 1;
63 this->push_back (obj); 126 this->push_back (obj);
64 return obj; 127 return obj;
65 } 128 }
66 else 129 else
67 { 130 {
… …
82 delete obj; 145 delete obj;
83 } 146 }
84} 147}
85 148
86template<class T> 149template<class T>
87refcache<T>::~refcache () 150void refcache<T>::clear ()
88{ 151{
89 while (this->size ()) 152 while (this->size ())
90 put (*this->begin ()); 153 put (*this->begin ());
91} 154}
92 155
93///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
94 157
95#ifdef USE_XIM 158#ifdef USE_XIM
159
96static void 160static void
97#if XIMCB_PROTO_BROKEN 161#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 163#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 164im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
107 171
108 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 172 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
109 display->im_change_cb (); 173 display->im_change_cb ();
110} 174}
111 175
176bool
112bool rxvt_xim::init () 177rxvt_xim::ref_init ()
113{ 178{
114 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
115 180
116 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
117 182
118 if (!xim) 183 if (!xim)
119 return false; 184 return false;
120 185
121 XIMCallback ximcallback; 186 XIMCallback ximcallback;
122 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
123 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
124 189
125 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
126 191
127 return true; 192 return true;
128} 193}
129 194
130rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
131{ 196{
132 if (xim) 197 if (xim)
133 XCloseIM (xim); 198 XCloseIM (xim);
134} 199}
200
135#endif 201#endif
202
203/////////////////////////////////////////////////////////////////////////////
204
205#if XFT
206rxvt_drawable::~rxvt_drawable ()
207{
208 if (xftdrawable)
209 XftDrawDestroy (xftdrawable);
210}
211
212rxvt_drawable::operator XftDraw *()
213{
214 if (!xftdrawable)
215 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
216
217 return xftdrawable;
218}
219#endif
220
221/////////////////////////////////////////////////////////////////////////////
222
223#if XFT
224
225// not strictly necessary as it is only used with superclass of zero_initialised
226rxvt_screen::rxvt_screen ()
227: scratch_area (0)
228{
229}
230
231rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
232{
233 if (!scratch_area || w > scratch_w || h > scratch_h)
234 {
235 if (scratch_area)
236 {
237 XFreePixmap (dpy, scratch_area->drawable);
238 delete scratch_area;
239 }
240
241 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
242 scratch_w = w, scratch_h = h, depth);
243
244 scratch_area = new rxvt_drawable (this, pm);
245 }
246
247 return *scratch_area;
248}
249
250#endif
251
252void
253rxvt_screen::set (rxvt_display *disp)
254{
255 display = disp;
256 dpy = disp->dpy;
257
258 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
259
260 depth = DefaultDepthOfScreen (screen);
261 visual = DefaultVisualOfScreen (screen);
262 cmap = DefaultColormapOfScreen (screen);
263}
264
265void
266rxvt_screen::select_visual (int bitdepth)
267{
268#if XFT
269 XVisualInfo vinfo;
270
271 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
272 {
273 depth = bitdepth;
274 visual = vinfo.visual;
275 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
276 }
277#endif
278}
279
280void
281rxvt_screen::clear ()
282{
283#if XFT
284 if (scratch_area)
285 {
286 XFreePixmap (dpy, scratch_area->drawable);
287 delete scratch_area;
288 }
289#endif
290
291 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
292 XFreeColormap (dpy, cmap);
293}
136 294
137///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
138 296
139rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 298: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
143{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 304}
145 305
306XrmDatabase
307rxvt_display::get_resources (bool refresh)
308{
309 char *homedir = getenv ("HOME");
310 char fname[1024];
311
312 /*
313 * get resources using the X library function
314 */
315 char *displayResource, *xe;
316 XrmDatabase rdb1, database = 0;
317
318#if !XLIB_ILLEGAL_ACCESS
319 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
320 database = XrmGetStringDatabase ("");
321#endif
322
323 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
324 // as opposed to "standard practise", we always read in ~/.Xdefaults
325
326 // 6. System wide per application default file.
327
328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
329 if ((xe = getenv ("XAPPLRESDIR")))
330 {
331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
332
333 if ((rdb1 = XrmGetFileDatabase (fname)))
334 XrmMergeDatabases (rdb1, &database);
335 }
336
337 // 5. User's per application default file.
338 // none
339
340 // 4. User's defaults file.
341 if (homedir)
342 {
343 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
344
345 if ((rdb1 = XrmGetFileDatabase (fname)))
346 XrmMergeDatabases (rdb1, &database);
347 }
348
349 /* Get any Xserver defaults */
350 if (refresh)
351 {
352 // fucking xlib keeps a copy of the rm string
353 Atom actual_type;
354 int actual_format;
355 unsigned long nitems, nremaining;
356 char *val = 0;
357
358#if XLIB_ILLEGAL_ACCESS
359 if (dpy->xdefaults)
360 XFree (dpy->xdefaults);
361#endif
362
363 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
364 0L, 100000000L, False,
365 XA_STRING, &actual_type, &actual_format,
366 &nitems, &nremaining,
367 (unsigned char **)&val) == Success
368 && actual_type == XA_STRING
369 && actual_format == 8)
370 displayResource = val;
371 else
372 {
373 displayResource = 0;
374
375 if (val)
376 XFree (val);
377 }
378
379#if XLIB_ILLEGAL_ACCESS
380 dpy->xdefaults = displayResource;
381#endif
382 }
383 else
384 displayResource = XResourceManagerString (dpy);
385
386 if (displayResource)
387 {
388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
389 XrmMergeDatabases (rdb1, &database);
390 }
391
392#if !XLIB_ILLEGAL_ACCESS
393 if (refresh && displayResource)
394 XFree (displayResource);
395#endif
396
397 /* Get screen specific resources */
398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
399
400 if (displayResource)
401 {
402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
403 /* Merge with screen-independent resources */
404 XrmMergeDatabases (rdb1, &database);
405
406 XFree (displayResource);
407 }
408
409 // 3. User's per host defaults file
410 /* Add in XENVIRONMENT file */
411 if ((xe = getenv ("XENVIRONMENT"))
412 && (rdb1 = XrmGetFileDatabase (xe)))
413 XrmMergeDatabases (rdb1, &database);
414 else if (homedir)
415 {
416 struct utsname un;
417
418 if (!uname (&un))
419 {
420 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
421
422 if ((rdb1 = XrmGetFileDatabase (fname)))
423 XrmMergeDatabases (rdb1, &database);
424 }
425 }
426
427 return database;
428}
429
146bool rxvt_display::init () 430bool rxvt_display::ref_init ()
147{ 431{
432#ifdef LOCAL_X_IS_UNIX
433 if (id[0] == ':')
434 {
435 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
436
437 strcpy (val, "unix/");
438 strcat (val, id);
439
440 dpy = XOpenDisplay (val);
441 }
442 else
443#endif
444 dpy = 0;
445
446 if (!dpy)
148 display = XOpenDisplay (id); 447 dpy = XOpenDisplay (id);
149 448
150 if (!display) 449 if (!dpy)
151 return false; 450 return false;
152 451
153 screen = DefaultScreen (display); 452 screen = DefaultScreen (dpy);
154 root = DefaultRootWindow (display); 453 root = DefaultRootWindow (dpy);
155 visual = DefaultVisual (display, screen);
156 cmap = DefaultColormap (display, screen);
157 depth = DefaultDepth (display, screen);
158 454
455 assert (ecb_array_length (xa_names) == NUM_XA);
456 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
457
458 XrmSetDatabase (dpy, get_resources (false));
459
460#ifdef POINTER_BLANK
461 XColor blackcolour;
462 blackcolour.red = 0;
463 blackcolour.green = 0;
464 blackcolour.blue = 0;
465 Font f = XLoadFont (dpy, "fixed");
466 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
467 &blackcolour, &blackcolour);
468 XUnloadFont (dpy, f);
469#endif
470
471 flags = 0;
472#if XRENDER
473 int major, minor;
474 if (XRenderQueryVersion (dpy, &major, &minor))
475 {
476 flags |= DISPLAY_HAS_RENDER;
477
478 if (major > 0 || (major == 0 && minor >= 11))
479 flags |= DISPLAY_HAS_RENDER_MUL;
480
481 XFilters *filters = XRenderQueryFilters (dpy, root);
482 if (filters)
483 {
484 for (int i = 0; i < filters->nfilter; i++)
485 if (!strcmp (filters->filter[i], FilterConvolution))
486 flags |= DISPLAY_HAS_RENDER_CONV;
487
488 XFree (filters);
489 }
490 }
491#endif
492
159 int fd = XConnectionNumber (display); 493 int fd = XConnectionNumber (dpy);
160 494
161#ifndef NO_SLOW_LINK_SUPPORT
162 // try to detetc wether we have a local connection. 495 // try to detect whether we have a local connection.
163 // assume unix domains socket == local, everything else not 496 // assume unix domain socket == local, everything else not
164 // TODO: might want to check for inet/127.0.0.1 497 // TODO: might want to check for inet/127.0.0.1
165 is_local = 0; 498 is_local = 0;
166 sockaddr_un sa; 499 sockaddr_un sa;
167 socklen_t sl = sizeof (sa); 500 socklen_t sl = sizeof (sa);
168 501
169 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 502 if (!getsockname (fd, (sockaddr *)&sa, &sl))
170 is_local = sa.sun_family == AF_LOCAL; 503 is_local = sa.sun_family == AF_UNIX;
171#endif
172 504
173#ifdef PREFER_24BIT 505 flush_ev.start ();
174 /*
175 * If depth is not 24, look for a 24bit visual.
176 */
177 if (depth != 24)
178 {
179 XVisualInfo vinfo;
180
181 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
182 {
183 depth = 24;
184 visual = vinfo.visual;
185 cmap = XCreateColormap (display,
186 RootWindow (display, screen),
187 visual, AllocNone);
188 }
189 }
190#endif
191
192 x_ev.start (fd, EVENT_READ); 506 x_ev.start (fd, ev::READ);
193 fcntl (fd, F_SETFD, FD_CLOEXEC); 507 fcntl (fd, F_SETFD, FD_CLOEXEC);
194 508
195 XSelectInput (display, root, PropertyChangeMask); 509 XSelectInput (dpy, root, PropertyChangeMask);
510
511 flush ();
512
513 return true;
514}
515
516void
517rxvt_display::ref_next ()
518{
519 // TODO: somehow check whether the database files/resources changed
520 // before affording re-loading/parsing
521 XrmDestroyDatabase (XrmGetDatabase (dpy));
522#if XLIB_ILLEGAL_ACCESS
523 /* work around a bug in XrmSetDatabase where it frees the db */
524 dpy->db = 0;
525#endif
526 XrmSetDatabase (dpy, get_resources (true));
527}
528
529rxvt_display::~rxvt_display ()
530{
531 if (!dpy)
532 return;
533
534#ifdef POINTER_BLANK
535 XFreeCursor (dpy, blank_cursor);
536#endif
537 x_ev.stop ();
538 flush_ev.stop ();
196#ifdef USE_XIM 539#ifdef USE_XIM
197 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0); 540 xims.clear ();
198#endif 541#endif
199 542 XrmDestroyDatabase (XrmGetDatabase (dpy));
200 flush ();
201
202 return true;
203}
204
205rxvt_display::~rxvt_display ()
206{
207 x_ev.stop ();
208
209 if (display)
210 XCloseDisplay (display); 543 XCloseDisplay (dpy);
211} 544}
212 545
213#ifdef USE_XIM 546#ifdef USE_XIM
214void rxvt_display::im_change_cb () 547void rxvt_display::im_change_cb ()
215{ 548{
… …
217 (*i)->call (); 550 (*i)->call ();
218} 551}
219 552
220void rxvt_display::im_change_check () 553void rxvt_display::im_change_check ()
221{ 554{
222 // make sure we only call im_change_cb when a new input method 555 // try to only call im_change_cb when a new input method
223 // registers, as xlib crashes due to a race otherwise. 556 // registers, as xlib crashes due to a race otherwise.
224 Atom actual_type, *atoms; 557 Atom actual_type, *atoms;
225 int actual_format; 558 int actual_format;
226 unsigned long nitems, bytes_after; 559 unsigned long nitems, bytes_after;
227 560
228 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 561 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
229 False, XA_ATOM, &actual_type, &actual_format, 562 False, XA_ATOM, &actual_type, &actual_format,
230 &nitems, &bytes_after, (unsigned char **)&atoms) 563 &nitems, &bytes_after, (unsigned char **)&atoms)
231 != Success ) 564 != Success)
232 return; 565 return;
233 566
234 if (actual_type == XA_ATOM && actual_format == 32) 567 if (actual_type == XA_ATOM && actual_format == 32)
235 for (int i = 0; i < nitems; i++) 568 for (int i = 0; i < nitems; i++)
236 if (XGetSelectionOwner (display, atoms[i])) 569 if (XGetSelectionOwner (dpy, atoms[i]))
237 { 570 {
238 im_change_cb (); 571 im_change_cb ();
239 break; 572 break;
240 } 573 }
241 574
242 XFree (atoms); 575 XFree (atoms);
243} 576}
244#endif 577#endif
245 578
246void rxvt_display::x_cb (io_watcher &w, short revents) 579void rxvt_display::x_cb (ev::io &w, int revents)
247{ 580{
581 flush_ev.start ();
582}
583
584void rxvt_display::flush_cb (ev::prepare &w, int revents)
585{
586 while (XEventsQueued (dpy, QueuedAfterFlush))
248 do 587 do
249 { 588 {
250 XEvent xev; 589 XEvent xev;
251 XNextEvent (display, &xev); 590 XNextEvent (dpy, &xev);
252 591
253#ifdef USE_XIM 592#ifdef USE_XIM
254 if (!XFilterEvent (&xev, None)) 593 if (!XFilterEvent (&xev, None))
255 { 594 {
256
257 if (xev.type == PropertyNotify 595 if (xev.type == PropertyNotify
258 && xev.xany.window == root 596 && xev.xany.window == root
259 && xev.xproperty.atom == xa_xim_servers) 597 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
260 im_change_check (); 598 im_change_check ();
261#endif 599#endif
600 if (xev.type == MappingNotify)
601 XRefreshKeyboardMapping (&xev.xmapping);
602
262 for (int i = xw.size (); i--; ) 603 for (int i = xw.size (); i--; )
263 { 604 {
264 if (!xw[i]) 605 if (!xw[i])
265 xw.erase_unordered (i); 606 xw.erase_unordered (i);
266 else if (xw[i]->window == xev.xany.window) 607 else if (xw[i]->window == xev.xany.window)
267 xw[i]->call (xev); 608 xw[i]->call (xev);
268 } 609 }
269#ifdef USE_XIM 610#ifdef USE_XIM
270 } 611 }
271#endif 612#endif
272 } 613 }
273 while (XEventsQueued (display, QueuedAlready)); 614 while (XEventsQueued (dpy, QueuedAlready));
274 615
275 flush (); 616 w.stop ();
276}
277
278void rxvt_display::flush ()
279{
280 XFlush (display);
281} 617}
282 618
283void rxvt_display::reg (xevent_watcher *w) 619void rxvt_display::reg (xevent_watcher *w)
284{ 620{
621 if (!w->active)
622 {
285 xw.push_back (w); 623 xw.push_back (w);
286 w->active = xw.size (); 624 w->active = xw.size ();
625 }
287} 626}
288 627
289void rxvt_display::unreg (xevent_watcher *w) 628void rxvt_display::unreg (xevent_watcher *w)
290{ 629{
291 if (w->active) 630 if (w->active)
631 {
292 xw[w->active - 1] = 0; 632 xw[w->active - 1] = 0;
633 w->active = 0;
634 }
293} 635}
294 636
295void rxvt_display::set_selection_owner (rxvt_term *owner) 637void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
296{ 638{
639 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
640
297 if (selection_owner && selection_owner != owner) 641 if (cur_owner && cur_owner != owner)
298 selection_owner->selection_clear (); 642 {
643 rxvt_term *term = cur_owner;
644 term->selection_clear (clipboard);
645 term->flush ();
646 }
299 647
300 selection_owner = owner; 648 cur_owner = owner;
301} 649}
302 650
303#ifdef USE_XIM 651#ifdef USE_XIM
652
304void rxvt_display::reg (im_watcher *w) 653void rxvt_display::reg (im_watcher *w)
305{ 654{
306 imw.push_back (w); 655 imw.push_back (w);
307} 656}
308 657
… …
317 int l, m; 666 int l, m;
318 667
319 l = strlen (locale); 668 l = strlen (locale);
320 m = strlen (modifiers); 669 m = strlen (modifiers);
321 670
322 if (!(id = (char *)malloc (l + m + 2))) 671 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
323 return 0; 672 return 0;
324 673
325 memcpy (id, locale, l); id[l] = '\n'; 674 memcpy (id, locale, l); id[l] = '\n';
326 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 675 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
327 676
328 rxvt_xim *xim = xims.get (id); 677 rxvt_xim *xim = xims.get (id);
329 678
330 free (id);
331
332 return xim; 679 return xim;
333} 680}
334 681
335void rxvt_display::put_xim (rxvt_xim *xim) 682void rxvt_display::put_xim (rxvt_xim *xim)
336{ 683{
684# if XLIB_IS_RACEFREE
337 xims.put (xim); 685 xims.put (xim);
686# endif
338} 687}
688
339#endif 689#endif
340 690
341Atom rxvt_display::atom (const char *name) 691Atom rxvt_display::atom (const char *name)
342{ 692{
343 return XInternAtom (display, name, False); 693 return XInternAtom (dpy, name, False);
344} 694}
345 695
346///////////////////////////////////////////////////////////////////////////// 696/////////////////////////////////////////////////////////////////////////////
347 697
348template class refcache<rxvt_display>; 698template class refcache<rxvt_display>;
349refcache<rxvt_display> displays; 699refcache<rxvt_display> displays;
350 700
351///////////////////////////////////////////////////////////////////////////// 701/////////////////////////////////////////////////////////////////////////////
352 702//
703
704static unsigned int
705insert_component (unsigned int value, unsigned int mask, unsigned int shift)
706{
707 return (value * (mask + 1) >> 16) << shift;
708}
709
353bool 710bool
354rxvt_color::set (rxvt_display *display, Pixel p) 711rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
355{ 712{
713 //TODO: only supports 24 bit
714 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
715
356#if XFT 716#if XFT
357 XColor xc; 717 XRenderPictFormat *format;
358 718
359 xc.pixel = p; 719 // FUCKING Xft gets it wrong, of course, so work around it.
360 if (!XQueryColor (display->display, display->cmap, &xc)) 720 // Transparency users should eat shit and die, and then
361 return false; 721 // XRenderQueryPictIndexValues themselves plenty.
722 if ((screen->visual->c_class == TrueColor)
723 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
724 {
725 // the fun lies in doing everything manually...
726 c.color.red = color.r;
727 c.color.green = color.g;
728 c.color.blue = color.b;
729 c.color.alpha = alpha;
362 730
731 // Xft wants premultiplied alpha, but abuses the alpha channel
732 // as blend factor, and doesn't allow us to set the alpha channel
733 c.color.red = c.color.red * alpha / 0xffff;
734 c.color.green = c.color.green * alpha / 0xffff;
735 c.color.blue = c.color.blue * alpha / 0xffff;
736
737 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
738 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
739 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
740 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
741
742 return true;
743 }
744 else
745 {
363 XRenderColor d; 746 XRenderColor d;
364 747
365 d.red = xc.red; 748 d.red = color.r;
366 d.green = xc.green; 749 d.green = color.g;
367 d.blue = xc.blue; 750 d.blue = color.b;
368 d.alpha = 0xffff; 751 d.alpha = alpha;
369 752
370 return 753 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
371 XftColorAllocValue (display->display, 754 return true;
372 display->visual, 755 }
373 display->cmap,
374 &d, &c);
375#else 756#else
376 this->p = p; 757 c.red = color.r;
377#endif 758 c.green = color.g;
759 c.blue = color.b;
378 760
761 if (screen->visual->c_class == TrueColor)
762 {
763 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
764 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
765 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
766
767 return true;
768 }
769 else if (XAllocColor (screen->dpy, screen->cmap, &c))
379 return true; 770 return true;
771#endif
772
773 c.pixel = (color.r + color.g + color.b) > 128*3
774 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
775 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
776
777 return false;
380} 778}
381 779
382bool 780bool
383rxvt_color::set (rxvt_display *display, const char *name) 781rxvt_color::set (rxvt_screen *screen, const char *name)
782{
783 rgba c;
784 char eos;
785 int skip;
786
787 c.a = rgba::MAX_CC;
788
789 // parse the nonstandard "[alphapercent]" prefix
790 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
791 {
792 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
793 name += skip;
794 }
795
796 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
797 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
798 {
799 XColor xc;
800
801 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
802 {
803 c.r = xc.red;
804 c.g = xc.green;
805 c.b = xc.blue;
806 }
807 else
808 {
809 c.r = 0xffff;
810 c.g = 0x6969;
811 c.b = 0xb4b4;
812
813 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
814 }
815 }
816
817 return set (screen, c);
818}
819
820bool
821rxvt_color::set (rxvt_screen *screen, const rgba &color)
822{
823 bool got = alloc (screen, color);
824
825#if !ENABLE_MINIMAL
826 int cmap_size = screen->visual->map_entries;
827
828 if (!got
829 && screen->visual->c_class == PseudoColor
830 && cmap_size < 4096)
831 {
832 XColor *colors = new XColor [screen->visual->map_entries];
833
834 for (int i = 0; i < cmap_size; i++)
835 colors [i].pixel = i;
836
837 // many kilobytes transfer per colour, but pseudocolor isn't worth
838 // many extra optimisations.
839 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
840
841 int diff = 0x7fffffffUL;
842 XColor *best = colors;
843
844 for (int i = 0; i < cmap_size; i++)
845 {
846 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
847 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
848 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
849
850 if (d < diff)
851 {
852 diff = d;
853 best = colors + i;
854 }
855 }
856
857 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
858 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
859
860 got = alloc (screen, rgba (best->red, best->green, best->blue));
861
862 delete [] colors;
863 }
864#endif
865
866 return got;
867}
868
869void
870rxvt_color::get (rgba &color)
384{ 871{
385#if XFT 872#if XFT
386 return XftColorAllocName (display->display, display->visual, display->cmap, 873 color.r = c.color.red;
387 name, &c); 874 color.g = c.color.green;
875 color.b = c.color.blue;
876 color.a = c.color.alpha;
388#else 877#else
389 XColor xc; 878 color.r = c.red;
879 color.g = c.green;
880 color.b = c.blue;
881 color.a = rgba::MAX_CC;
882#endif
883}
390 884
391 if (XParseColor (display->display, display->cmap, name, &xc)) 885void
392 return set (display, xc.red, xc.green, xc.blue); 886rxvt_color::get (XColor &color)
887{
888 rgba c;
889 get (c);
890
891 color.red = c.r;
892 color.green = c.g;
893 color.blue = c.b;
894 color.pixel = (Pixel)*this;
895}
896
897void
898rxvt_color::free (rxvt_screen *screen)
899{
900 if (screen->visual->c_class == TrueColor)
901 return; // nothing to do
902
903#if XFT
904 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
905#else
906 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
907#endif
908}
909
910void
911rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
912{
913 rgba c;
914 get (c);
915
916 result.set (
917 screen,
918 rgba (
919 lerp (c.r, to.r, percent),
920 lerp (c.g, to.g, percent),
921 lerp (c.b, to.b, percent),
922 lerp (c.a, to.a, percent)
923 )
924 );
925}
926
927rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
928: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
929{
930 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
931
932 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
933 timer_ev.repeat = 10.;
934 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
935
936 incr_buf = 0;
937 incr_buf_size = incr_buf_fill = 0;
938 selection_wait = Sel_normal;
939 selection_type = selnum;
940 cb_sv = 0;
941}
942
943void
944rxvt_selection::stop ()
945{
946 free (incr_buf);
947 incr_buf = 0;
948 timer_ev.stop ();
949 x_ev.stop (display);
950}
951
952rxvt_selection::~rxvt_selection ()
953{
954 stop ();
955}
956
957void
958rxvt_selection::run ()
959{
960 int selnum = selection_type;
961
962#if ENABLE_FRILLS
963 if (selnum == Sel_Primary && display->selection_owner)
964 {
965 /* internal selection */
966 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
967 finish (str, strlen (str));
968 free (str);
969 return;
970 }
971#endif
972
973#if X_HAVE_UTF8_STRING
974 selection_type = Sel_UTF8String;
975 if (request (display->xa[XA_UTF8_STRING], selnum))
976 return;
977#else
978 selection_type = Sel_CompoundText;
979 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
980 return;
981#endif
982
983 // fallback to CUT_BUFFER0 if the requested property has no owner
984 handle_selection (display->root, XA_CUT_BUFFER0, false);
985}
986
987void
988rxvt_selection::finish (char *data, unsigned int len)
989{
990 if (!cb_sv)
991 {
992 if (data)
993 term->paste (data, len);
994
995 term->selection_req = 0;
996 delete this;
997 }
998#if ENABLE_PERL
999 else
1000 {
1001 stop (); // we do not really trust perl callbacks
1002 rxvt_perl.selection_finish (this, data, len);
1003 }
1004#endif
1005}
1006
1007bool
1008rxvt_selection::request (Atom target, int selnum)
1009{
1010 Atom sel;
1011
1012 selection_type |= selnum;
1013
1014 if (selnum == Sel_Primary)
1015 sel = XA_PRIMARY;
1016 else if (selnum == Sel_Secondary)
1017 sel = XA_SECONDARY;
1018 else
1019 sel = display->xa[XA_CLIPBOARD];
1020
1021 if (XGetSelectionOwner (display->dpy, sel) != None)
1022 {
1023 XConvertSelection (display->dpy, sel, target, request_prop,
1024 request_win, request_time);
1025 x_ev.start (display, request_win);
1026 timer_ev.again ();
1027 return true;
1028 }
393 1029
394 return false; 1030 return false;
395#endif
396} 1031}
397 1032
398bool
399rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
400{
401 XColor xc;
402
403 xc.red = cr;
404 xc.green = cg;
405 xc.blue = cb;
406 xc.flags = DoRed | DoGreen | DoBlue;
407
408 if (XAllocColor (display->display, display->cmap, &xc))
409 return set (display, xc.pixel);
410
411 return false;
412}
413
414void 1033void
415rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1034rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
416{ 1035{
417#if XFT 1036 Display *dpy = display->dpy;
418 cr = c.color.red; 1037 char *data = 0;
419 cg = c.color.green; 1038 unsigned int data_len = 0;
420 cb = c.color.blue; 1039 unsigned long bytes_after;
421#else 1040 XTextProperty ct;
422 XColor c;
423 1041
424 c.pixel = p; 1042 // check for failed XConvertSelection
425 XQueryColor (display->display, display->cmap, &c); 1043 if (prop == None)
1044 {
1045 bool error = true;
1046 int selnum = selection_type & Sel_whereMask;
426 1047
427 cr = c.red; 1048 if (selection_type & Sel_CompoundText)
428 cg = c.green; 1049 {
429 cb = c.blue; 1050 selection_type = 0;
430#endif 1051 error = !request (XA_STRING, selnum);
431} 1052 }
432 1053
1054 if (selection_type & Sel_UTF8String)
1055 {
1056 selection_type = Sel_CompoundText;
1057 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1058 }
1059
1060 if (error)
1061 {
1062 ct.value = 0;
1063 goto bailout;
1064 }
1065
1066 return;
1067 }
1068
1069 // length == (2^31 - 1) / 4, as gdk
1070 if (XGetWindowProperty (dpy, win, prop,
1071 0, 0x1fffffff,
1072 delete_prop, AnyPropertyType,
1073 &ct.encoding, &ct.format,
1074 &ct.nitems, &bytes_after,
1075 &ct.value) != Success)
1076 {
1077 ct.value = 0;
1078 goto bailout;
1079 }
1080
1081 if (ct.encoding == None)
1082 goto bailout;
1083
1084 if (ct.value == 0)
1085 goto bailout;
1086
1087 if (ct.encoding == display->xa[XA_INCR])
1088 {
1089 // INCR selection, start handshake
1090 if (!delete_prop)
1091 XDeleteProperty (dpy, win, prop);
1092
1093 selection_wait = Sel_incr;
1094 timer_ev.again ();
1095
1096 goto bailout;
1097 }
1098
1099 if (ct.nitems == 0)
1100 {
1101 if (selection_wait == Sel_incr)
1102 {
1103 XFree (ct.value);
1104
1105 // finally complete, now paste the whole thing
1106 selection_wait = Sel_normal;
1107 ct.value = (unsigned char *)incr_buf;
1108 ct.nitems = incr_buf_fill;
1109 incr_buf = 0;
1110 timer_ev.stop ();
1111 }
1112 else
1113 {
1114 // avoid recursion
1115 if (win != display->root || prop != XA_CUT_BUFFER0)
1116 {
1117 XFree (ct.value);
1118
1119 // fallback to CUT_BUFFER0 if the requested property
1120 // has an owner but is empty
1121 handle_selection (display->root, XA_CUT_BUFFER0, False);
1122 return;
1123 }
1124
1125 goto bailout;
1126 }
1127 }
1128 else if (selection_wait == Sel_incr)
1129 {
1130 timer_ev.again ();
1131
1132 while (incr_buf_fill + ct.nitems > incr_buf_size)
1133 {
1134 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1135 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1136 }
1137
1138 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1139 incr_buf_fill += ct.nitems;
1140
1141 goto bailout;
1142 }
1143
1144 char **cl;
1145 int cr;
1146
1147 // we honour the first item only
1148
1149#if !ENABLE_MINIMAL
1150 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1151 // so recode it manually
1152 if (ct.encoding == display->xa[XA_UTF8_STRING])
1153 {
1154 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1155 data = rxvt_wcstombs (w);
1156 free (w);
1157 }
1158 else
1159#endif
1160 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1161 && cl)
1162 {
1163 data = strdup (cl[0]);
1164 XFreeStringList (cl);
1165 }
1166 else
1167 {
1168 // paste raw
1169 data = strdup ((const char *)ct.value);
1170 }
1171
1172 data_len = strlen (data);
1173
1174bailout:
1175 XFree (ct.value);
1176
1177 if (selection_wait == Sel_normal)
1178 {
1179 finish (data, data_len);
1180 free (data);
1181 }
1182}
1183
433void 1184void
434rxvt_color::free (rxvt_display *display) 1185rxvt_selection::timer_cb (ev::timer &w, int revents)
435{ 1186{
436#if XFT 1187 if (selection_wait == Sel_incr)
437 XftColorFree (display->display, display->visual, display->cmap, &c); 1188 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
438#else
439 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
440#endif
441}
442 1189
443rxvt_color 1190 finish ();
444rxvt_color::fade (rxvt_display *display, int percent)
445{
446 unsigned short cr, cg, cb;
447 rxvt_color faded;
448
449 get (display, cr, cg, cb);
450 faded.set (display,
451 cr * percent / 100,
452 cg * percent / 100,
453 cb * percent / 100);
454
455 return faded;
456} 1191}
457 1192
1193void
1194rxvt_selection::x_cb (XEvent &xev)
1195{
1196 switch (xev.type)
1197 {
1198 case PropertyNotify:
1199 if (selection_wait == Sel_incr
1200 && xev.xproperty.atom == request_prop
1201 && xev.xproperty.state == PropertyNewValue)
1202 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1203 break;
1204
1205 case SelectionNotify:
1206 if (selection_wait == Sel_normal
1207 && xev.xselection.time == request_time)
1208 {
1209 timer_ev.stop ();
1210 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1211 }
1212 break;
1213 }
1214}

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