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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.7 by root, Wed Dec 15 00:53:23 2004 UTC vs.
Revision 1.134 by root, Mon Jun 4 15:18:52 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#if 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#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
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);
196#ifdef USE_XIM
197 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
198#endif
199 510
200 flush (); 511 flush ();
201 512
202 return true; 513 return true;
203} 514}
204 515
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
205rxvt_display::~rxvt_display () 529rxvt_display::~rxvt_display ()
206{ 530{
531 if (!dpy)
532 return;
533
534#ifdef POINTER_BLANK
535 XFreeCursor (dpy, blank_cursor);
536#endif
207 x_ev.stop (); 537 x_ev.stop ();
208 538 flush_ev.stop ();
209 if (display)
210 XCloseDisplay (display);
211}
212
213#ifdef USE_XIM 539#if USE_XIM
540 xims.clear ();
541#endif
542 XrmDestroyDatabase (XrmGetDatabase (dpy));
543 XCloseDisplay (dpy);
544}
545
546#if USE_XIM
214void rxvt_display::im_change_cb () 547void rxvt_display::im_change_cb ()
215{ 548{
216 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 549 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
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#if 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#if 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 for (;;)
281 {
282 if (!XPending (display))
283 break;
284
285 x_cb (x_ev, 0);
286 }
287} 617}
288 618
289void rxvt_display::reg (xevent_watcher *w) 619void rxvt_display::reg (xevent_watcher *w)
290{ 620{
621 if (!w->active)
622 {
291 xw.push_back (w); 623 xw.push_back (w);
292 w->active = xw.size (); 624 w->active = xw.size ();
625 }
293} 626}
294 627
295void rxvt_display::unreg (xevent_watcher *w) 628void rxvt_display::unreg (xevent_watcher *w)
296{ 629{
297 if (w->active) 630 if (w->active)
631 {
298 xw[w->active - 1] = 0; 632 xw[w->active - 1] = 0;
633 w->active = 0;
634 }
299} 635}
300 636
301void rxvt_display::set_selection_owner (rxvt_term *owner) 637void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
302{ 638{
639 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
640
303 if (selection_owner && selection_owner != owner) 641 if (cur_owner && cur_owner != owner)
304 selection_owner->selection_clear (); 642 {
643 rxvt_term *term = cur_owner;
644 term->selection_clear (clipboard);
645 term->flush ();
646 }
305 647
306 selection_owner = owner; 648 cur_owner = owner;
307} 649}
308 650
309#ifdef USE_XIM 651#if USE_XIM
652
310void rxvt_display::reg (im_watcher *w) 653void rxvt_display::reg (im_watcher *w)
311{ 654{
312 imw.push_back (w); 655 imw.push_back (w);
313} 656}
314 657
… …
323 int l, m; 666 int l, m;
324 667
325 l = strlen (locale); 668 l = strlen (locale);
326 m = strlen (modifiers); 669 m = strlen (modifiers);
327 670
328 if (!(id = (char *)malloc (l + m + 2))) 671 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
329 return 0; 672 return 0;
330 673
331 memcpy (id, locale, l); id[l] = '\n'; 674 memcpy (id, locale, l); id[l] = '\n';
332 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 675 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
333 676
334 rxvt_xim *xim = xims.get (id); 677 rxvt_xim *xim = xims.get (id);
335 678
336 free (id);
337
338 return xim; 679 return xim;
339} 680}
340 681
341void rxvt_display::put_xim (rxvt_xim *xim) 682void rxvt_display::put_xim (rxvt_xim *xim)
342{ 683{
684# if XLIB_IS_RACEFREE
343 xims.put (xim); 685 xims.put (xim);
686# endif
344} 687}
688
345#endif 689#endif
346 690
347Atom rxvt_display::atom (const char *name) 691Atom rxvt_display::atom (const char *name)
348{ 692{
349 return XInternAtom (display, name, False); 693 return XInternAtom (dpy, name, False);
694}
695
696Pixmap
697rxvt_display::get_pixmap_property (Atom property)
698{
699 Pixmap pixmap = None;
700
701 int aformat;
702 unsigned long nitems, bytes_after;
703 Atom atype;
704 unsigned char *prop;
705 int result = XGetWindowProperty (dpy, root, property,
706 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
707 &nitems, &bytes_after, &prop);
708 if (result == Success)
709 {
710 if (atype == XA_PIXMAP)
711 pixmap = *(Pixmap *)prop;
712 XFree (prop);
713 }
714
715 return pixmap;
350} 716}
351 717
352///////////////////////////////////////////////////////////////////////////// 718/////////////////////////////////////////////////////////////////////////////
353 719
354template class refcache<rxvt_display>; 720template class refcache<rxvt_display>;
355refcache<rxvt_display> displays; 721refcache<rxvt_display> displays;
356 722
357///////////////////////////////////////////////////////////////////////////// 723/////////////////////////////////////////////////////////////////////////////
358 724//
725
726static unsigned int
727insert_component (unsigned int value, unsigned int mask, unsigned int shift)
728{
729 return (value * (mask + 1) >> 16) << shift;
730}
731
359bool 732bool
360rxvt_color::set (rxvt_display *display, Pixel p) 733rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
361{ 734{
735 //TODO: only supports 24 bit
736 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
737
362#if XFT 738#if XFT
363 XColor xc; 739 XRenderPictFormat *format;
364 740
365 xc.pixel = p; 741 // FUCKING Xft gets it wrong, of course, so work around it.
366 if (!XQueryColor (display->display, display->cmap, &xc)) 742 // Transparency users should eat shit and die, and then
367 return false; 743 // XRenderQueryPictIndexValues themselves plenty.
744 if ((screen->visual->c_class == TrueColor)
745 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
746 {
747 // the fun lies in doing everything manually...
748 c.color.red = color.r;
749 c.color.green = color.g;
750 c.color.blue = color.b;
751 c.color.alpha = alpha;
368 752
753 // Xft wants premultiplied alpha, but abuses the alpha channel
754 // as blend factor, and doesn't allow us to set the alpha channel
755 c.color.red = c.color.red * alpha / 0xffff;
756 c.color.green = c.color.green * alpha / 0xffff;
757 c.color.blue = c.color.blue * alpha / 0xffff;
758
759 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
760 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
761 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
762 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
763
764 return true;
765 }
766 else
767 {
369 XRenderColor d; 768 XRenderColor d;
370 769
371 d.red = xc.red; 770 d.red = color.r;
372 d.green = xc.green; 771 d.green = color.g;
373 d.blue = xc.blue; 772 d.blue = color.b;
374 d.alpha = 0xffff; 773 d.alpha = alpha;
375 774
376 return 775 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
377 XftColorAllocValue (display->display, 776 return true;
378 display->visual, 777 }
379 display->cmap,
380 &d, &c);
381#else 778#else
382 this->p = p; 779 c.red = color.r;
383#endif 780 c.green = color.g;
781 c.blue = color.b;
384 782
783 if (screen->visual->c_class == TrueColor)
784 {
785 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
786 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
787 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
788
789 return true;
790 }
791 else if (XAllocColor (screen->dpy, screen->cmap, &c))
385 return true; 792 return true;
793#endif
794
795 c.pixel = (color.r + color.g + color.b) > 128*3
796 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
797 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
798
799 return false;
386} 800}
387 801
388bool 802bool
389rxvt_color::set (rxvt_display *display, const char *name) 803rxvt_color::set (rxvt_screen *screen, const char *name)
804{
805 rgba c;
806 char eos;
807 int skip;
808
809 c.a = rgba::MAX_CC;
810
811 // parse the nonstandard "[alphapercent]" prefix
812 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
813 {
814 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
815 name += skip;
816 }
817
818 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
819 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
820 {
821 XColor xc;
822
823 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
824 {
825 c.r = xc.red;
826 c.g = xc.green;
827 c.b = xc.blue;
828 }
829 else
830 {
831 c.r = 0xffff;
832 c.g = 0x6969;
833 c.b = 0xb4b4;
834
835 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
836 }
837 }
838
839 return set (screen, c);
840}
841
842bool
843rxvt_color::set (rxvt_screen *screen, const rgba &color)
844{
845 bool got = alloc (screen, color);
846
847#if !ENABLE_MINIMAL
848 int cmap_size = screen->visual->map_entries;
849
850 if (!got
851 && screen->visual->c_class == PseudoColor
852 && cmap_size < 4096)
853 {
854 XColor *colors = new XColor [screen->visual->map_entries];
855
856 for (int i = 0; i < cmap_size; i++)
857 colors [i].pixel = i;
858
859 // many kilobytes transfer per colour, but pseudocolor isn't worth
860 // many extra optimisations.
861 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
862
863 int diff = 0x7fffffffUL;
864 XColor *best = colors;
865
866 for (int i = 0; i < cmap_size; i++)
867 {
868 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
869 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
870 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
871
872 if (d < diff)
873 {
874 diff = d;
875 best = colors + i;
876 }
877 }
878
879 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
880 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
881
882 got = alloc (screen, rgba (best->red, best->green, best->blue));
883
884 delete [] colors;
885 }
886#endif
887
888 return got;
889}
890
891void
892rxvt_color::get (rgba &color)
390{ 893{
391#if XFT 894#if XFT
392 return XftColorAllocName (display->display, display->visual, display->cmap, 895 color.r = c.color.red;
393 name, &c); 896 color.g = c.color.green;
897 color.b = c.color.blue;
898 color.a = c.color.alpha;
394#else 899#else
395 XColor xc; 900 color.r = c.red;
901 color.g = c.green;
902 color.b = c.blue;
903 color.a = rgba::MAX_CC;
904#endif
905}
396 906
397 if (XParseColor (display->display, display->cmap, name, &xc)) 907void
398 return set (display, xc.red, xc.green, xc.blue); 908rxvt_color::get (XColor &color)
909{
910 rgba c;
911 get (c);
912
913 color.red = c.r;
914 color.green = c.g;
915 color.blue = c.b;
916 color.pixel = (Pixel)*this;
917}
918
919void
920rxvt_color::free (rxvt_screen *screen)
921{
922 if (screen->visual->c_class == TrueColor)
923 return; // nothing to do
924
925#if XFT
926 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
927#else
928 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
929#endif
930}
931
932void
933rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
934{
935 rgba c;
936 get (c);
937
938 result.set (
939 screen,
940 rgba (
941 lerp (c.r, to.r, percent),
942 lerp (c.g, to.g, percent),
943 lerp (c.b, to.b, percent),
944 lerp (c.a, to.a, percent)
945 )
946 );
947}
948
949rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
950: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
951{
952 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
953
954 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
955 timer_ev.repeat = 10.;
956 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
957
958 incr_buf = 0;
959 incr_buf_size = incr_buf_fill = 0;
960 selection_wait = Sel_normal;
961 selection_type = selnum;
962 cb_sv = 0;
963}
964
965void
966rxvt_selection::stop ()
967{
968 free (incr_buf);
969 incr_buf = 0;
970 timer_ev.stop ();
971 x_ev.stop (display);
972}
973
974rxvt_selection::~rxvt_selection ()
975{
976 stop ();
977}
978
979void
980rxvt_selection::run ()
981{
982 int selnum = selection_type;
983
984#if ENABLE_FRILLS
985 if (selnum == Sel_Primary && display->selection_owner)
986 {
987 /* internal selection */
988 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
989 finish (str, strlen (str));
990 free (str);
991 return;
992 }
993#endif
994
995#if X_HAVE_UTF8_STRING
996 selection_type = Sel_UTF8String;
997 if (request (display->xa[XA_UTF8_STRING], selnum))
998 return;
999#else
1000 selection_type = Sel_CompoundText;
1001 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1002 return;
1003#endif
1004
1005 // fallback to CUT_BUFFER0 if the requested property has no owner
1006 handle_selection (display->root, XA_CUT_BUFFER0, false);
1007}
1008
1009void
1010rxvt_selection::finish (char *data, unsigned int len)
1011{
1012 if (!cb_sv)
1013 {
1014 if (data)
1015 term->paste (data, len);
1016
1017 term->selection_req = 0;
1018 delete this;
1019 }
1020#if ENABLE_PERL
1021 else
1022 {
1023 stop (); // we do not really trust perl callbacks
1024 rxvt_perl.selection_finish (this, data, len);
1025 }
1026#endif
1027}
1028
1029bool
1030rxvt_selection::request (Atom target, int selnum)
1031{
1032 Atom sel;
1033
1034 selection_type |= selnum;
1035
1036 if (selnum == Sel_Primary)
1037 sel = XA_PRIMARY;
1038 else if (selnum == Sel_Secondary)
1039 sel = XA_SECONDARY;
1040 else
1041 sel = display->xa[XA_CLIPBOARD];
1042
1043 if (XGetSelectionOwner (display->dpy, sel) != None)
1044 {
1045 XConvertSelection (display->dpy, sel, target, request_prop,
1046 request_win, request_time);
1047 x_ev.start (display, request_win);
1048 timer_ev.again ();
1049 return true;
1050 }
399 1051
400 return false; 1052 return false;
401#endif
402} 1053}
403 1054
404bool
405rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
406{
407 XColor xc;
408
409 xc.red = cr;
410 xc.green = cg;
411 xc.blue = cb;
412 xc.flags = DoRed | DoGreen | DoBlue;
413
414 if (XAllocColor (display->display, display->cmap, &xc))
415 return set (display, xc.pixel);
416
417 return false;
418}
419
420void 1055void
421rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1056rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
422{ 1057{
423#if XFT 1058 Display *dpy = display->dpy;
424 cr = c.color.red; 1059 char *data = 0;
425 cg = c.color.green; 1060 unsigned int data_len = 0;
426 cb = c.color.blue; 1061 unsigned long bytes_after;
427#else 1062 XTextProperty ct;
428 XColor c;
429 1063
430 c.pixel = p; 1064 // check for failed XConvertSelection
431 XQueryColor (display->display, display->cmap, &c); 1065 if (prop == None)
1066 {
1067 bool error = true;
1068 int selnum = selection_type & Sel_whereMask;
432 1069
433 cr = c.red; 1070 if (selection_type & Sel_CompoundText)
434 cg = c.green; 1071 {
435 cb = c.blue; 1072 selection_type = 0;
436#endif 1073 error = !request (XA_STRING, selnum);
437} 1074 }
438 1075
1076 if (selection_type & Sel_UTF8String)
1077 {
1078 selection_type = Sel_CompoundText;
1079 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1080 }
1081
1082 if (error)
1083 {
1084 ct.value = 0;
1085 goto bailout;
1086 }
1087
1088 return;
1089 }
1090
1091 // length == (2^31 - 1) / 4, as gdk
1092 if (XGetWindowProperty (dpy, win, prop,
1093 0, 0x1fffffff,
1094 delete_prop, AnyPropertyType,
1095 &ct.encoding, &ct.format,
1096 &ct.nitems, &bytes_after,
1097 &ct.value) != Success)
1098 {
1099 ct.value = 0;
1100 goto bailout;
1101 }
1102
1103 if (ct.encoding == None)
1104 goto bailout;
1105
1106 if (ct.value == 0)
1107 goto bailout;
1108
1109 if (ct.encoding == display->xa[XA_INCR])
1110 {
1111 // INCR selection, start handshake
1112 if (!delete_prop)
1113 XDeleteProperty (dpy, win, prop);
1114
1115 selection_wait = Sel_incr;
1116 timer_ev.again ();
1117
1118 goto bailout;
1119 }
1120
1121 if (ct.nitems == 0)
1122 {
1123 if (selection_wait == Sel_incr)
1124 {
1125 XFree (ct.value);
1126
1127 // finally complete, now paste the whole thing
1128 selection_wait = Sel_normal;
1129 ct.value = (unsigned char *)incr_buf;
1130 ct.nitems = incr_buf_fill;
1131 incr_buf = 0;
1132 timer_ev.stop ();
1133 }
1134 else
1135 {
1136 // avoid recursion
1137 if (win != display->root || prop != XA_CUT_BUFFER0)
1138 {
1139 XFree (ct.value);
1140
1141 // fallback to CUT_BUFFER0 if the requested property
1142 // has an owner but is empty
1143 handle_selection (display->root, XA_CUT_BUFFER0, False);
1144 return;
1145 }
1146
1147 goto bailout;
1148 }
1149 }
1150 else if (selection_wait == Sel_incr)
1151 {
1152 timer_ev.again ();
1153
1154 while (incr_buf_fill + ct.nitems > incr_buf_size)
1155 {
1156 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1157 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1158 }
1159
1160 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1161 incr_buf_fill += ct.nitems;
1162
1163 goto bailout;
1164 }
1165
1166 char **cl;
1167 int cr;
1168
1169 // we honour the first item only
1170
1171#if !ENABLE_MINIMAL
1172 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1173 // so recode it manually
1174 if (ct.encoding == display->xa[XA_UTF8_STRING])
1175 {
1176 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1177 data = rxvt_wcstombs (w);
1178 free (w);
1179 }
1180 else
1181#endif
1182 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1183 && cl)
1184 {
1185 data = strdup (cl[0]);
1186 XFreeStringList (cl);
1187 }
1188 else
1189 {
1190 // paste raw
1191 data = strdup ((const char *)ct.value);
1192 }
1193
1194 data_len = strlen (data);
1195
1196bailout:
1197 XFree (ct.value);
1198
1199 if (selection_wait == Sel_normal)
1200 {
1201 finish (data, data_len);
1202 free (data);
1203 }
1204}
1205
439void 1206void
440rxvt_color::free (rxvt_display *display) 1207rxvt_selection::timer_cb (ev::timer &w, int revents)
441{ 1208{
442#if XFT 1209 if (selection_wait == Sel_incr)
443 XftColorFree (display->display, display->visual, display->cmap, &c); 1210 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
444#else
445 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
446#endif
447}
448 1211
449rxvt_color 1212 finish ();
450rxvt_color::fade (rxvt_display *display, int percent)
451{
452 unsigned short cr, cg, cb;
453 rxvt_color faded;
454
455 get (display, cr, cg, cb);
456 faded.set (display,
457 cr * percent / 100,
458 cg * percent / 100,
459 cb * percent / 100);
460
461 return faded;
462} 1213}
463 1214
1215void
1216rxvt_selection::x_cb (XEvent &xev)
1217{
1218 switch (xev.type)
1219 {
1220 case PropertyNotify:
1221 if (selection_wait == Sel_incr
1222 && xev.xproperty.atom == request_prop
1223 && xev.xproperty.state == PropertyNewValue)
1224 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1225 break;
1226
1227 case SelectionNotify:
1228 if (selection_wait == Sel_normal
1229 && xev.xselection.time == request_time)
1230 {
1231 timer_ev.stop ();
1232 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1233 }
1234 break;
1235 }
1236}

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