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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.20 by root, Fri Jan 6 02:11:15 2006 UTC vs.
Revision 1.133 by sf-exg, Sun Jun 3 17:48:28 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 {
… …
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{
148#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
149 if (id[0] == ':') 433 if (id[0] == ':')
150 { 434 {
151 val = rxvt_malloc (5 + strlen (id) + 1); 435 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
436
152 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
153 strcat (val, id); 438 strcat (val, id);
439
154 display = XOpenDisplay (val); 440 dpy = XOpenDisplay (val);
155 free (val);
156 } 441 }
157 else 442 else
158#endif 443#endif
159 display = 0; 444 dpy = 0;
160 445
161 if (!display) 446 if (!dpy)
162 display = XOpenDisplay (id); 447 dpy = XOpenDisplay (id);
163 448
164 if (!display) 449 if (!dpy)
165 return false; 450 return false;
166 451
167 screen = DefaultScreen (display); 452 screen = DefaultScreen (dpy);
168 root = DefaultRootWindow (display); 453 root = DefaultRootWindow (dpy);
169 visual = DefaultVisual (display, screen);
170 cmap = DefaultColormap (display, screen);
171 depth = DefaultDepth (display, screen);
172 454
173 int fd = XConnectionNumber (display); 455 assert (ecb_array_length (xa_names) == NUM_XA);
456 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
174 457
175#ifndef NO_SLOW_LINK_SUPPORT 458 XrmSetDatabase (dpy, get_resources (false));
176 // try to detect wether we have a local connection.
177 // assume unix domains socket == local, everything else not
178 // TODO: might want to check for inet/127.0.0.1
179 is_local = 0;
180 sockaddr_un sa;
181 socklen_t sl = sizeof (sa);
182
183 if (!getsockname (fd, (sockaddr *)&sa, &sl))
184 is_local = sa.sun_family == AF_LOCAL;
185#endif
186 459
187#ifdef POINTER_BLANK 460#ifdef POINTER_BLANK
188 XColor blackcolour; 461 XColor blackcolour;
189 blackcolour.red = 0; 462 blackcolour.red = 0;
190 blackcolour.green = 0; 463 blackcolour.green = 0;
191 blackcolour.blue = 0; 464 blackcolour.blue = 0;
192 Font f = XLoadFont (display, "fixed"); 465 Font f = XLoadFont (dpy, "fixed");
193 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 466 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
194 &blackcolour, &blackcolour); 467 &blackcolour, &blackcolour);
195 XUnloadFont (display, f); 468 XUnloadFont (dpy, f);
196#endif 469#endif
197 470
198#ifdef PREFER_24BIT 471 flags = 0;
199 /* 472#if XRENDER
200 * If depth is not 24, look for a 24bit visual. 473 int major, minor;
201 */ 474 if (XRenderQueryVersion (dpy, &major, &minor))
202 if (depth != 24)
203 { 475 {
204 XVisualInfo vinfo; 476 flags |= DISPLAY_HAS_RENDER;
205 477
206 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 478 if (major > 0 || (major == 0 && minor >= 11))
207 { 479 flags |= DISPLAY_HAS_RENDER_MUL;
208 depth = 24; 480
209 visual = vinfo.visual; 481 XFilters *filters = XRenderQueryFilters (dpy, root);
210 cmap = XCreateColormap (display, 482 if (filters)
211 RootWindow (display, screen),
212 visual, AllocNone);
213 } 483 {
214 } 484 for (int i = 0; i < filters->nfilter; i++)
215#endif 485 if (!strcmp (filters->filter[i], FilterConvolution))
486 flags |= DISPLAY_HAS_RENDER_CONV;
216 487
488 XFree (filters);
489 }
490 }
491#endif
492
493 int fd = XConnectionNumber (dpy);
494
495 // try to detect whether we have a local connection.
496 // assume unix domain socket == local, everything else not
497 // TODO: might want to check for inet/127.0.0.1
498 is_local = 0;
499 sockaddr_un sa;
500 socklen_t sl = sizeof (sa);
501
502 if (!getsockname (fd, (sockaddr *)&sa, &sl))
503 is_local = sa.sun_family == AF_UNIX;
504
505 flush_ev.start ();
217 x_ev.start (fd, EVENT_READ); 506 x_ev.start (fd, ev::READ);
218 fcntl (fd, F_SETFD, FD_CLOEXEC); 507 fcntl (fd, F_SETFD, FD_CLOEXEC);
219 508
220 XSelectInput (display, root, PropertyChangeMask); 509 XSelectInput (dpy, root, PropertyChangeMask);
221#ifdef USE_XIM
222 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
223#endif
224 510
225 flush (); 511 flush ();
226 512
227 return true; 513 return true;
228} 514}
229 515
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
230rxvt_display::~rxvt_display () 529rxvt_display::~rxvt_display ()
231{ 530{
531 if (!dpy)
532 return;
533
534#ifdef POINTER_BLANK
535 XFreeCursor (dpy, blank_cursor);
536#endif
232 x_ev.stop (); 537 x_ev.stop ();
538 flush_ev.stop ();
233#ifdef USE_XIM 539#ifdef USE_XIM
234 xims.clear (); 540 xims.clear ();
235#endif 541#endif
236 542 XrmDestroyDatabase (XrmGetDatabase (dpy));
237 if (display)
238 XCloseDisplay (display); 543 XCloseDisplay (dpy);
239} 544}
240 545
241#ifdef USE_XIM 546#ifdef USE_XIM
242void rxvt_display::im_change_cb () 547void rxvt_display::im_change_cb ()
243{ 548{
… …
251 // registers, as xlib crashes due to a race otherwise. 556 // registers, as xlib crashes due to a race otherwise.
252 Atom actual_type, *atoms; 557 Atom actual_type, *atoms;
253 int actual_format; 558 int actual_format;
254 unsigned long nitems, bytes_after; 559 unsigned long nitems, bytes_after;
255 560
256 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 561 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
257 False, XA_ATOM, &actual_type, &actual_format, 562 False, XA_ATOM, &actual_type, &actual_format,
258 &nitems, &bytes_after, (unsigned char **)&atoms) 563 &nitems, &bytes_after, (unsigned char **)&atoms)
259 != Success ) 564 != Success)
260 return; 565 return;
261 566
262 if (actual_type == XA_ATOM && actual_format == 32) 567 if (actual_type == XA_ATOM && actual_format == 32)
263 for (int i = 0; i < nitems; i++) 568 for (int i = 0; i < nitems; i++)
264 if (XGetSelectionOwner (display, atoms[i])) 569 if (XGetSelectionOwner (dpy, atoms[i]))
265 { 570 {
266 im_change_cb (); 571 im_change_cb ();
267 break; 572 break;
268 } 573 }
269 574
270 XFree (atoms); 575 XFree (atoms);
271} 576}
272#endif 577#endif
273 578
274void rxvt_display::x_cb (io_watcher &w, short revents) 579void rxvt_display::x_cb (ev::io &w, int revents)
275{ 580{
581 flush_ev.start ();
582}
583
584void rxvt_display::flush_cb (ev::prepare &w, int revents)
585{
586 while (XEventsQueued (dpy, QueuedAfterFlush))
276 do 587 do
277 { 588 {
278 XEvent xev; 589 XEvent xev;
279 XNextEvent (display, &xev); 590 XNextEvent (dpy, &xev);
280 591
281#ifdef USE_XIM 592#ifdef USE_XIM
282 if (!XFilterEvent (&xev, None)) 593 if (!XFilterEvent (&xev, None))
283 { 594 {
284 if (xev.type == PropertyNotify 595 if (xev.type == PropertyNotify
285 && xev.xany.window == root 596 && xev.xany.window == root
286 && xev.xproperty.atom == xa_xim_servers) 597 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
287 im_change_check (); 598 im_change_check ();
288#endif 599#endif
600 if (xev.type == MappingNotify)
601 XRefreshKeyboardMapping (&xev.xmapping);
602
289 for (int i = xw.size (); i--; ) 603 for (int i = xw.size (); i--; )
290 { 604 {
291 if (!xw[i]) 605 if (!xw[i])
292 xw.erase_unordered (i); 606 xw.erase_unordered (i);
293 else if (xw[i]->window == xev.xany.window) 607 else if (xw[i]->window == xev.xany.window)
294 xw[i]->call (xev); 608 xw[i]->call (xev);
295 } 609 }
296#ifdef USE_XIM 610#ifdef USE_XIM
297 } 611 }
298#endif 612#endif
299 } 613 }
300 while (XEventsQueued (display, QueuedAlready)); 614 while (XEventsQueued (dpy, QueuedAlready));
301 615
302 XFlush (display); 616 w.stop ();
303}
304
305void rxvt_display::flush ()
306{
307 if (XEventsQueued (display, QueuedAlready))
308 x_cb (x_ev, EVENT_READ);
309
310 XFlush (display);
311} 617}
312 618
313void rxvt_display::reg (xevent_watcher *w) 619void rxvt_display::reg (xevent_watcher *w)
314{ 620{
621 if (!w->active)
622 {
315 xw.push_back (w); 623 xw.push_back (w);
316 w->active = xw.size (); 624 w->active = xw.size ();
625 }
317} 626}
318 627
319void rxvt_display::unreg (xevent_watcher *w) 628void rxvt_display::unreg (xevent_watcher *w)
320{ 629{
321 if (w->active) 630 if (w->active)
631 {
322 xw[w->active - 1] = 0; 632 xw[w->active - 1] = 0;
633 w->active = 0;
634 }
323} 635}
324 636
325void rxvt_display::set_selection_owner (rxvt_term *owner) 637void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
326{ 638{
639 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
640
327 if (selection_owner && selection_owner != owner) 641 if (cur_owner && cur_owner != owner)
328 selection_owner->selection_clear (); 642 {
643 rxvt_term *term = cur_owner;
644 term->selection_clear (clipboard);
645 term->flush ();
646 }
329 647
330 selection_owner = owner; 648 cur_owner = owner;
331} 649}
332 650
333#ifdef USE_XIM 651#ifdef USE_XIM
652
334void rxvt_display::reg (im_watcher *w) 653void rxvt_display::reg (im_watcher *w)
335{ 654{
336 imw.push_back (w); 655 imw.push_back (w);
337} 656}
338 657
… …
347 int l, m; 666 int l, m;
348 667
349 l = strlen (locale); 668 l = strlen (locale);
350 m = strlen (modifiers); 669 m = strlen (modifiers);
351 670
352 if (!(id = (char *)malloc (l + m + 2))) 671 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
353 return 0; 672 return 0;
354 673
355 memcpy (id, locale, l); id[l] = '\n'; 674 memcpy (id, locale, l); id[l] = '\n';
356 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 675 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
357 676
358 rxvt_xim *xim = xims.get (id); 677 rxvt_xim *xim = xims.get (id);
359 678
360 free (id);
361
362 return xim; 679 return xim;
363} 680}
364 681
365void rxvt_display::put_xim (rxvt_xim *xim) 682void rxvt_display::put_xim (rxvt_xim *xim)
366{ 683{
367#if XLIB_IS_RACEFREE 684# if XLIB_IS_RACEFREE
368 xims.put (xim); 685 xims.put (xim);
369#endif 686# endif
370} 687}
688
371#endif 689#endif
372 690
373Atom rxvt_display::atom (const char *name) 691Atom rxvt_display::atom (const char *name)
374{ 692{
375 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;
376} 716}
377 717
378///////////////////////////////////////////////////////////////////////////// 718/////////////////////////////////////////////////////////////////////////////
379 719
380template class refcache<rxvt_display>; 720template class refcache<rxvt_display>;
381refcache<rxvt_display> displays; 721refcache<rxvt_display> displays;
382 722
383///////////////////////////////////////////////////////////////////////////// 723/////////////////////////////////////////////////////////////////////////////
384 724//
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
385bool 732bool
386rxvt_color::set (rxvt_display *display, Pixel p) 733rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
387{ 734{
735 //TODO: only supports 24 bit
736 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
737
388#if XFT 738#if XFT
389 XColor xc; 739 XRenderPictFormat *format;
390 740
391 xc.pixel = p; 741 // FUCKING Xft gets it wrong, of course, so work around it.
392 if (!XQueryColor (display->display, display->cmap, &xc)) 742 // Transparency users should eat shit and die, and then
393 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;
394 752
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 {
395 XRenderColor d; 768 XRenderColor d;
396 769
397 d.red = xc.red; 770 d.red = color.r;
398 d.green = xc.green; 771 d.green = color.g;
399 d.blue = xc.blue; 772 d.blue = color.b;
400 d.alpha = 0xffff; 773 d.alpha = alpha;
401 774
402 return 775 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
403 XftColorAllocValue (display->display, 776 return true;
404 display->visual, 777 }
405 display->cmap,
406 &d, &c);
407#else 778#else
408 this->p = p; 779 c.red = color.r;
409#endif 780 c.green = color.g;
781 c.blue = color.b;
410 782
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))
411 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;
412} 800}
413 801
414bool 802bool
415rxvt_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)
416{ 893{
417#if XFT 894#if XFT
418 return XftColorAllocName (display->display, display->visual, display->cmap, 895 color.r = c.color.red;
419 name, &c); 896 color.g = c.color.green;
897 color.b = c.color.blue;
898 color.a = c.color.alpha;
420#else 899#else
421 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}
422 906
423 if (XParseColor (display->display, display->cmap, name, &xc)) 907void
424 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 }
425 1051
426 return false; 1052 return false;
427#endif
428} 1053}
429 1054
430bool
431rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
432{
433 XColor xc;
434
435 xc.red = cr;
436 xc.green = cg;
437 xc.blue = cb;
438 xc.flags = DoRed | DoGreen | DoBlue;
439
440 if (XAllocColor (display->display, display->cmap, &xc))
441 return set (display, xc.pixel);
442
443 return false;
444}
445
446void 1055void
447rxvt_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)
448{ 1057{
449#if XFT 1058 Display *dpy = display->dpy;
450 cr = c.color.red; 1059 char *data = 0;
451 cg = c.color.green; 1060 unsigned int data_len = 0;
452 cb = c.color.blue; 1061 unsigned long bytes_after;
453#else 1062 XTextProperty ct;
454 XColor c;
455 1063
456 c.pixel = p; 1064 // check for failed XConvertSelection
457 XQueryColor (display->display, display->cmap, &c); 1065 if (prop == None)
1066 {
1067 bool error = true;
1068 int selnum = selection_type & Sel_whereMask;
458 1069
459 cr = c.red; 1070 if (selection_type & Sel_CompoundText)
460 cg = c.green; 1071 {
461 cb = c.blue; 1072 selection_type = 0;
462#endif 1073 error = !request (XA_STRING, selnum);
463} 1074 }
464 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
465void 1206void
466rxvt_color::free (rxvt_display *display) 1207rxvt_selection::timer_cb (ev::timer &w, int revents)
467{ 1208{
468#if XFT 1209 if (selection_wait == Sel_incr)
469 XftColorFree (display->display, display->visual, display->cmap, &c); 1210 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
470#else
471 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
472#endif
473}
474 1211
475rxvt_color 1212 finish ();
476rxvt_color::fade (rxvt_display *display, int percent)
477{
478 percent = 100 - percent;
479
480 unsigned short cr, cg, cb;
481 rxvt_color faded;
482
483 get (display, cr, cg, cb);
484
485 faded.set (
486 display,
487 cr * percent / 100,
488 cg * percent / 100,
489 cb * percent / 100
490 );
491
492 return faded;
493} 1213}
494 1214
495#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1215void
496 1216rxvt_selection::x_cb (XEvent &xev)
497rxvt_color
498rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
499{ 1217{
500 percent = 100 - percent; 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;
501 1226
502 unsigned short cr, cg, cb; 1227 case SelectionNotify:
503 unsigned short fcr, fcg, fcb; 1228 if (selection_wait == Sel_normal
504 rxvt_color faded; 1229 && xev.xselection.time == request_time)
505 1230 {
506 get (display, cr, cg, cb); 1231 timer_ev.stop ();
507 fadeto.get(display, fcr, fcg, fcb); 1232 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
508 1233 }
509 faded.set ( 1234 break;
510 display, 1235 }
511 LERP (cr, fcr, percent),
512 LERP (cg, fcg, percent),
513 LERP (cb, fcb, percent)
514 );
515
516 return faded;
517} 1236}
518

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