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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 1.130 by sf-exg, Fri Jan 13 12:40:53 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 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
152 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
153 strcat (val, id); 438 strcat (val, id);
154 display = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
155 free (val);
156 } 440 }
157 else 441 else
158#endif 442#endif
159 display = 0; 443 dpy = 0;
160 444
161 if (!display) 445 if (!dpy)
162 display = XOpenDisplay (id); 446 dpy = XOpenDisplay (id);
163 447
164 if (!display) 448 if (!dpy)
165 return false; 449 return false;
166 450
167 screen = DefaultScreen (display); 451 screen = DefaultScreen (dpy);
168 root = DefaultRootWindow (display); 452 root = DefaultRootWindow (dpy);
169 visual = DefaultVisual (display, screen);
170 cmap = DefaultColormap (display, screen);
171 depth = DefaultDepth (display, screen);
172 453
173 int fd = XConnectionNumber (display); 454 assert (ecb_array_length (xa_names) == NUM_XA);
455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
174 456
175#ifndef NO_SLOW_LINK_SUPPORT 457 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
186 458
187#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
188 XColor blackcolour; 460 XColor blackcolour;
189 blackcolour.red = 0; 461 blackcolour.red = 0;
190 blackcolour.green = 0; 462 blackcolour.green = 0;
191 blackcolour.blue = 0; 463 blackcolour.blue = 0;
192 Font f = XLoadFont (display, "fixed"); 464 Font f = XLoadFont (dpy, "fixed");
193 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
194 &blackcolour, &blackcolour); 466 &blackcolour, &blackcolour);
195 XUnloadFont (display, f); 467 XUnloadFont (dpy, f);
196#endif 468#endif
197 469
198#ifdef PREFER_24BIT 470 int fd = XConnectionNumber (dpy);
199 /*
200 * If depth is not 24, look for a 24bit visual.
201 */
202 if (depth != 24)
203 {
204 XVisualInfo vinfo;
205 471
206 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 472 // try to detect whether we have a local connection.
207 { 473 // assume unix domain socket == local, everything else not
208 depth = 24; 474 // TODO: might want to check for inet/127.0.0.1
209 visual = vinfo.visual; 475 is_local = 0;
210 cmap = XCreateColormap (display, 476 sockaddr_un sa;
211 RootWindow (display, screen), 477 socklen_t sl = sizeof (sa);
212 visual, AllocNone);
213 }
214 }
215#endif
216 478
479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
480 is_local = sa.sun_family == AF_UNIX;
481
482 flush_ev.start ();
217 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
218 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
219 485
220 XSelectInput (display, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
221#ifdef USE_XIM
222 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
223#endif
224 487
225 flush (); 488 flush ();
226 489
227 return true; 490 return true;
228} 491}
229 492
493void
494rxvt_display::ref_next ()
495{
496 // TODO: somehow check whether the database files/resources changed
497 // before affording re-loading/parsing
498 XrmDestroyDatabase (XrmGetDatabase (dpy));
499#if XLIB_ILLEGAL_ACCESS
500 /* work around a bug in XrmSetDatabase where it frees the db */
501 dpy->db = 0;
502#endif
503 XrmSetDatabase (dpy, get_resources (true));
504}
505
230rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
231{ 507{
508 if (!dpy)
509 return;
510
511#ifdef POINTER_BLANK
512 XFreeCursor (dpy, blank_cursor);
513#endif
232 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
233#ifdef USE_XIM 516#ifdef USE_XIM
234 xims.clear (); 517 xims.clear ();
235#endif 518#endif
236 519 XrmDestroyDatabase (XrmGetDatabase (dpy));
237 if (display)
238 XCloseDisplay (display); 520 XCloseDisplay (dpy);
239} 521}
240 522
241#ifdef USE_XIM 523#ifdef USE_XIM
242void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
243{ 525{
… …
251 // registers, as xlib crashes due to a race otherwise. 533 // registers, as xlib crashes due to a race otherwise.
252 Atom actual_type, *atoms; 534 Atom actual_type, *atoms;
253 int actual_format; 535 int actual_format;
254 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
255 537
256 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
257 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
258 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
259 != Success ) 541 != Success)
260 return; 542 return;
261 543
262 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
263 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
264 if (XGetSelectionOwner (display, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
265 { 547 {
266 im_change_cb (); 548 im_change_cb ();
267 break; 549 break;
268 } 550 }
269 551
270 XFree (atoms); 552 XFree (atoms);
271} 553}
272#endif 554#endif
273 555
274void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
275{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
276 do 564 do
277 { 565 {
278 XEvent xev; 566 XEvent xev;
279 XNextEvent (display, &xev); 567 XNextEvent (dpy, &xev);
280 568
281#ifdef USE_XIM 569#ifdef USE_XIM
282 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
283 { 571 {
284 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
285 && xev.xany.window == root 573 && xev.xany.window == root
286 && xev.xproperty.atom == xa_xim_servers) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
287 im_change_check (); 575 im_change_check ();
288#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
289 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
290 { 581 {
291 if (!xw[i]) 582 if (!xw[i])
292 xw.erase_unordered (i); 583 xw.erase_unordered (i);
293 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
294 xw[i]->call (xev); 585 xw[i]->call (xev);
295 } 586 }
296#ifdef USE_XIM 587#ifdef USE_XIM
297 } 588 }
298#endif 589#endif
299 } 590 }
300 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
301 592
302 XFlush (display); 593 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} 594}
312 595
313void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
314{ 597{
598 if (!w->active)
599 {
315 xw.push_back (w); 600 xw.push_back (w);
316 w->active = xw.size (); 601 w->active = xw.size ();
602 }
317} 603}
318 604
319void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
320{ 606{
321 if (w->active) 607 if (w->active)
608 {
322 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
323} 612}
324 613
325void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
326{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
327 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
328 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
329 624
330 selection_owner = owner; 625 cur_owner = owner;
331} 626}
332 627
333#ifdef USE_XIM 628#ifdef USE_XIM
629
334void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
335{ 631{
336 imw.push_back (w); 632 imw.push_back (w);
337} 633}
338 634
… …
347 int l, m; 643 int l, m;
348 644
349 l = strlen (locale); 645 l = strlen (locale);
350 m = strlen (modifiers); 646 m = strlen (modifiers);
351 647
352 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
353 return 0; 649 return 0;
354 650
355 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
356 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
357 653
358 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
359 655
360 free (id);
361
362 return xim; 656 return xim;
363} 657}
364 658
365void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
366{ 660{
367#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
368 xims.put (xim); 662 xims.put (xim);
369#endif 663# endif
370} 664}
665
371#endif 666#endif
372 667
373Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
374{ 669{
375 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
376} 671}
377 672
378///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
379 674
380template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
381refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
382 677
383///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
384 679//
680
681static unsigned int
682insert_component (unsigned int value, unsigned int mask, unsigned int shift)
683{
684 return (value * (mask + 1) >> 16) << shift;
685}
686
385bool 687bool
386rxvt_color::set (rxvt_display *display, Pixel p) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
387{ 689{
690 //TODO: only supports 24 bit
691 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
388#if XFT 693#if XFT
389 XColor xc; 694 XRenderPictFormat *format;
390 695
391 xc.pixel = p; 696 // FUCKING Xft gets it wrong, of course, so work around it.
392 if (!XQueryColor (display->display, display->cmap, &xc)) 697 // Transparency users should eat shit and die, and then
393 return false; 698 // XRenderQueryPictIndexValues themselves plenty.
699 if ((screen->visual->c_class == TrueColor)
700 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
701 {
702 // the fun lies in doing everything manually...
703 c.color.red = color.r;
704 c.color.green = color.g;
705 c.color.blue = color.b;
706 c.color.alpha = alpha;
394 707
708 // Xft wants premultiplied alpha, but abuses the alpha channel
709 // as blend factor, and doesn't allow us to set the alpha channel
710 c.color.red = c.color.red * alpha / 0xffff;
711 c.color.green = c.color.green * alpha / 0xffff;
712 c.color.blue = c.color.blue * alpha / 0xffff;
713
714 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
715 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
716 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
717 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
718
719 return true;
720 }
721 else
722 {
395 XRenderColor d; 723 XRenderColor d;
396 724
397 d.red = xc.red; 725 d.red = color.r;
398 d.green = xc.green; 726 d.green = color.g;
399 d.blue = xc.blue; 727 d.blue = color.b;
400 d.alpha = 0xffff; 728 d.alpha = alpha;
401 729
402 return 730 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
403 XftColorAllocValue (display->display, 731 return true;
404 display->visual, 732 }
405 display->cmap,
406 &d, &c);
407#else 733#else
408 this->p = p; 734 c.red = color.r;
409#endif 735 c.green = color.g;
736 c.blue = color.b;
410 737
738 if (screen->visual->c_class == TrueColor)
739 {
740 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
741 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
742 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
743
744 return true;
745 }
746 else if (XAllocColor (screen->dpy, screen->cmap, &c))
411 return true; 747 return true;
748#endif
749
750 c.pixel = (color.r + color.g + color.b) > 128*3
751 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
752 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
753
754 return false;
412} 755}
413 756
414bool 757bool
415rxvt_color::set (rxvt_display *display, const char *name) 758rxvt_color::set (rxvt_screen *screen, const char *name)
759{
760 rgba c;
761 char eos;
762 int skip;
763
764 c.a = rgba::MAX_CC;
765
766 // parse the nonstandard "[alphapercent]" prefix
767 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
768 {
769 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
770 name += skip;
771 }
772
773 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
774 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
775 {
776 XColor xc;
777
778 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
779 {
780 c.r = xc.red;
781 c.g = xc.green;
782 c.b = xc.blue;
783 }
784 else
785 {
786 c.r = 0xffff;
787 c.g = 0x6969;
788 c.b = 0xb4b4;
789
790 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
791 }
792 }
793
794 return set (screen, c);
795}
796
797bool
798rxvt_color::set (rxvt_screen *screen, const rgba &color)
799{
800 bool got = alloc (screen, color);
801
802#if !ENABLE_MINIMAL
803 int cmap_size = screen->visual->map_entries;
804
805 if (!got
806 && screen->visual->c_class == PseudoColor
807 && cmap_size < 4096)
808 {
809 XColor *colors = new XColor [screen->visual->map_entries];
810
811 for (int i = 0; i < cmap_size; i++)
812 colors [i].pixel = i;
813
814 // many kilobytes transfer per colour, but pseudocolor isn't worth
815 // many extra optimisations.
816 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
817
818 int diff = 0x7fffffffUL;
819 XColor *best = colors;
820
821 for (int i = 0; i < cmap_size; i++)
822 {
823 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
824 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
825 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
826
827 if (d < diff)
828 {
829 diff = d;
830 best = colors + i;
831 }
832 }
833
834 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
835 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
836
837 got = alloc (screen, rgba (best->red, best->green, best->blue));
838
839 delete [] colors;
840 }
841#endif
842
843 return got;
844}
845
846void
847rxvt_color::get (rgba &color)
416{ 848{
417#if XFT 849#if XFT
418 return XftColorAllocName (display->display, display->visual, display->cmap, 850 color.r = c.color.red;
419 name, &c); 851 color.g = c.color.green;
852 color.b = c.color.blue;
853 color.a = c.color.alpha;
420#else 854#else
421 XColor xc; 855 color.r = c.red;
856 color.g = c.green;
857 color.b = c.blue;
858 color.a = rgba::MAX_CC;
859#endif
860}
422 861
423 if (XParseColor (display->display, display->cmap, name, &xc)) 862void
424 return set (display, xc.red, xc.green, xc.blue); 863rxvt_color::get (XColor &color)
864{
865 rgba c;
866 get (c);
867
868 color.red = c.r;
869 color.green = c.g;
870 color.blue = c.b;
871 color.pixel = (Pixel)*this;
872}
873
874void
875rxvt_color::free (rxvt_screen *screen)
876{
877 if (screen->visual->c_class == TrueColor)
878 return; // nothing to do
879
880#if XFT
881 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
882#else
883 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
884#endif
885}
886
887void
888rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
889{
890 rgba c;
891 get (c);
892
893 result.set (
894 screen,
895 rgba (
896 lerp (c.r, to.r, percent),
897 lerp (c.g, to.g, percent),
898 lerp (c.b, to.b, percent),
899 lerp (c.a, to.a, percent)
900 )
901 );
902}
903
904rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
905: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
906{
907 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
908
909 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
910 timer_ev.repeat = 10.;
911 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
912
913 incr_buf = 0;
914 incr_buf_size = incr_buf_fill = 0;
915 selection_wait = Sel_normal;
916 selection_type = selnum;
917 cb_sv = 0;
918}
919
920void
921rxvt_selection::stop ()
922{
923 free (incr_buf);
924 incr_buf = 0;
925 timer_ev.stop ();
926 x_ev.stop (display);
927}
928
929rxvt_selection::~rxvt_selection ()
930{
931 stop ();
932}
933
934void
935rxvt_selection::run ()
936{
937 int selnum = selection_type;
938
939#if ENABLE_FRILLS
940 if (selnum == Sel_Primary && display->selection_owner)
941 {
942 /* internal selection */
943 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
944 finish (str, strlen (str));
945 free (str);
946 return;
947 }
948#endif
949
950#if X_HAVE_UTF8_STRING
951 selection_type = Sel_UTF8String;
952 if (request (display->xa[XA_UTF8_STRING], selnum))
953 return;
954#else
955 selection_type = Sel_CompoundText;
956 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
957 return;
958#endif
959
960 // fallback to CUT_BUFFER0 if the requested property has no owner
961 handle_selection (display->root, XA_CUT_BUFFER0, false);
962}
963
964void
965rxvt_selection::finish (char *data, unsigned int len)
966{
967 if (!cb_sv)
968 {
969 if (data)
970 term->paste (data, len);
971
972 term->selection_req = 0;
973 delete this;
974 }
975#if ENABLE_PERL
976 else
977 {
978 stop (); // we do not really trust perl callbacks
979 rxvt_perl.selection_finish (this, data, len);
980 }
981#endif
982}
983
984bool
985rxvt_selection::request (Atom target, int selnum)
986{
987 Atom sel;
988
989 selection_type |= selnum;
990
991 if (selnum == Sel_Primary)
992 sel = XA_PRIMARY;
993 else if (selnum == Sel_Secondary)
994 sel = XA_SECONDARY;
995 else
996 sel = display->xa[XA_CLIPBOARD];
997
998 if (XGetSelectionOwner (display->dpy, sel) != None)
999 {
1000 XConvertSelection (display->dpy, sel, target, request_prop,
1001 request_win, request_time);
1002 x_ev.start (display, request_win);
1003 timer_ev.again ();
1004 return true;
1005 }
425 1006
426 return false; 1007 return false;
427#endif
428} 1008}
429 1009
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 1010void
447rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1011rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
448{ 1012{
449#if XFT 1013 Display *dpy = display->dpy;
450 cr = c.color.red; 1014 char *data = 0;
451 cg = c.color.green; 1015 unsigned int data_len = 0;
452 cb = c.color.blue; 1016 unsigned long bytes_after;
453#else 1017 XTextProperty ct;
454 XColor c;
455 1018
456 c.pixel = p; 1019 // check for failed XConvertSelection
457 XQueryColor (display->display, display->cmap, &c); 1020 if (prop == None)
1021 {
1022 bool error = true;
1023 int selnum = selection_type & Sel_whereMask;
458 1024
459 cr = c.red; 1025 if (selection_type & Sel_CompoundText)
460 cg = c.green; 1026 {
461 cb = c.blue; 1027 selection_type = 0;
462#endif 1028 error = !request (XA_STRING, selnum);
463} 1029 }
464 1030
1031 if (selection_type & Sel_UTF8String)
1032 {
1033 selection_type = Sel_CompoundText;
1034 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1035 }
1036
1037 if (error)
1038 {
1039 ct.value = 0;
1040 goto bailout;
1041 }
1042
1043 return;
1044 }
1045
1046 // length == (2^31 - 1) / 4, as gdk
1047 if (XGetWindowProperty (dpy, win, prop,
1048 0, 0x1fffffff,
1049 delete_prop, AnyPropertyType,
1050 &ct.encoding, &ct.format,
1051 &ct.nitems, &bytes_after,
1052 &ct.value) != Success)
1053 {
1054 ct.value = 0;
1055 goto bailout;
1056 }
1057
1058 if (ct.encoding == None)
1059 goto bailout;
1060
1061 if (ct.value == 0)
1062 goto bailout;
1063
1064 if (ct.encoding == display->xa[XA_INCR])
1065 {
1066 // INCR selection, start handshake
1067 if (!delete_prop)
1068 XDeleteProperty (dpy, win, prop);
1069
1070 selection_wait = Sel_incr;
1071 timer_ev.again ();
1072
1073 goto bailout;
1074 }
1075
1076 if (ct.nitems == 0)
1077 {
1078 if (selection_wait == Sel_incr)
1079 {
1080 XFree (ct.value);
1081
1082 // finally complete, now paste the whole thing
1083 selection_wait = Sel_normal;
1084 ct.value = (unsigned char *)incr_buf;
1085 ct.nitems = incr_buf_fill;
1086 incr_buf = 0;
1087 timer_ev.stop ();
1088 }
1089 else
1090 {
1091 // avoid recursion
1092 if (win != display->root || prop != XA_CUT_BUFFER0)
1093 {
1094 XFree (ct.value);
1095
1096 // fallback to CUT_BUFFER0 if the requested property
1097 // has an owner but is empty
1098 handle_selection (display->root, XA_CUT_BUFFER0, False);
1099 return;
1100 }
1101
1102 goto bailout;
1103 }
1104 }
1105 else if (selection_wait == Sel_incr)
1106 {
1107 timer_ev.again ();
1108
1109 while (incr_buf_fill + ct.nitems > incr_buf_size)
1110 {
1111 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1112 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1113 }
1114
1115 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1116 incr_buf_fill += ct.nitems;
1117
1118 goto bailout;
1119 }
1120
1121 char **cl;
1122 int cr;
1123
1124 // we honour the first item only
1125
1126#if !ENABLE_MINIMAL
1127 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1128 // so recode it manually
1129 if (ct.encoding == display->xa[XA_UTF8_STRING])
1130 {
1131 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1132 data = rxvt_wcstombs (w);
1133 free (w);
1134 }
1135 else
1136#endif
1137 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1138 && cl)
1139 {
1140 data = strdup (cl[0]);
1141 XFreeStringList (cl);
1142 }
1143 else
1144 {
1145 // paste raw
1146 data = strdup ((const char *)ct.value);
1147 }
1148
1149 data_len = strlen (data);
1150
1151bailout:
1152 XFree (ct.value);
1153
1154 if (selection_wait == Sel_normal)
1155 {
1156 finish (data, data_len);
1157 free (data);
1158 }
1159}
1160
465void 1161void
466rxvt_color::free (rxvt_display *display) 1162rxvt_selection::timer_cb (ev::timer &w, int revents)
467{ 1163{
468#if XFT 1164 if (selection_wait == Sel_incr)
469 XftColorFree (display->display, display->visual, display->cmap, &c); 1165 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 1166
475rxvt_color 1167 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} 1168}
494 1169
495#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1170void
496 1171rxvt_selection::x_cb (XEvent &xev)
497rxvt_color
498rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
499{ 1172{
500 percent = 100 - percent; 1173 switch (xev.type)
1174 {
1175 case PropertyNotify:
1176 if (selection_wait == Sel_incr
1177 && xev.xproperty.atom == request_prop
1178 && xev.xproperty.state == PropertyNewValue)
1179 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1180 break;
501 1181
502 unsigned short cr, cg, cb; 1182 case SelectionNotify:
503 unsigned short fcr, fcg, fcb; 1183 if (selection_wait == Sel_normal
504 rxvt_color faded; 1184 && xev.xselection.time == request_time)
505 1185 {
506 get (display, cr, cg, cb); 1186 timer_ev.stop ();
507 fadeto.get(display, fcr, fcg, fcb); 1187 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
508 1188 }
509 faded.set ( 1189 break;
510 display, 1190 }
511 LERP (cr, fcr, percent),
512 LERP (cg, fcg, percent),
513 LERP (cb, fcb, percent)
514 );
515
516 return faded;
517} 1191}
518

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