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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.19 by root, Mon Nov 28 19:04:39 2005 UTC vs.
Revision 1.117 by sf-exg, Sat Feb 12 00:30:00 2011 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) 2003-2007 Marc Lehmann <pcg@goof.com>
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 (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
285 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
286 && xev.xany.window == root 573 && xev.xany.window == root
287 && xev.xproperty.atom == xa_xim_servers) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
288 im_change_check (); 575 im_change_check ();
289#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
290 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
291 { 581 {
292 if (!xw[i]) 582 if (!xw[i])
293 xw.erase_unordered (i); 583 xw.erase_unordered (i);
294 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
295 xw[i]->call (xev); 585 xw[i]->call (xev);
296 } 586 }
297#ifdef USE_XIM 587#ifdef USE_XIM
298 } 588 }
299#endif 589#endif
300 } 590 }
301 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
302 592
303 XFlush (display); 593 w.stop ();
304}
305
306void rxvt_display::flush ()
307{
308 if (XEventsQueued (display, QueuedAlready))
309 x_cb (x_ev, EVENT_READ);
310
311 XFlush (display);
312} 594}
313 595
314void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
315{ 597{
598 if (!w->active)
599 {
316 xw.push_back (w); 600 xw.push_back (w);
317 w->active = xw.size (); 601 w->active = xw.size ();
602 }
318} 603}
319 604
320void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
321{ 606{
322 if (w->active) 607 if (w->active)
608 {
323 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
324} 612}
325 613
326void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
327{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
328 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
329 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
330 624
331 selection_owner = owner; 625 cur_owner = owner;
332} 626}
333 627
334#ifdef USE_XIM 628#ifdef USE_XIM
629
335void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
336{ 631{
337 imw.push_back (w); 632 imw.push_back (w);
338} 633}
339 634
… …
348 int l, m; 643 int l, m;
349 644
350 l = strlen (locale); 645 l = strlen (locale);
351 m = strlen (modifiers); 646 m = strlen (modifiers);
352 647
353 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
354 return 0; 649 return 0;
355 650
356 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
357 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
358 653
359 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
360 655
361 free (id);
362
363 return xim; 656 return xim;
364} 657}
365 658
366void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
367{ 660{
368#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
369 xims.put (xim); 662 xims.put (xim);
370#endif 663# endif
371} 664}
665
372#endif 666#endif
373 667
374Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
375{ 669{
376 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
377} 671}
378 672
379///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
380 674
381template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
382refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
383 677
384///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
385 679//
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
386bool 687bool
387rxvt_color::set (rxvt_display *display, Pixel p) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
388{ 689{
690 //TODO: only supports 24 bit
691 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
389#if XFT 693#if XFT
390 XColor xc; 694 XRenderPictFormat *format;
391 695
392 xc.pixel = p; 696 // FUCKING Xft gets it wrong, of course, so work around it.
393 if (!XQueryColor (display->display, display->cmap, &xc)) 697 // Transparency users should eat shit and die, and then
394 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;
395 707
708 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
709 | insert_component (color.g, format->direct.greenMask, format->direct.green)
710 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
711 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
712
713 return true;
714 }
715 else
716 {
396 XRenderColor d; 717 XRenderColor d;
397 718
398 d.red = xc.red; 719 d.red = color.r;
399 d.green = xc.green; 720 d.green = color.g;
400 d.blue = xc.blue; 721 d.blue = color.b;
401 d.alpha = 0xffff; 722 d.alpha = alpha;
402 723
403 return 724 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
404 XftColorAllocValue (display->display, 725 }
405 display->visual,
406 display->cmap,
407 &d, &c);
408#else 726#else
409 this->p = p; 727 c.red = color.r;
410#endif 728 c.green = color.g;
729 c.blue = color.b;
411 730
731 if (screen->visual->c_class == TrueColor)
732 {
733 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
734 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
735 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
736
737 return true;
738 }
739 else if (XAllocColor (screen->dpy, screen->cmap, &c))
412 return true; 740 return true;
741 else
742 c.pixel = (color.r + color.g + color.b) > 128*3
743 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
744 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
745#endif
746
747 return false;
413} 748}
414 749
415bool 750bool
416rxvt_color::set (rxvt_display *display, const char *name) 751rxvt_color::set (rxvt_screen *screen, const char *name)
752{
753 rgba c;
754 char eos;
755 int skip;
756
757 c.a = rgba::MAX_CC;
758
759 // parse the nonstandard "[alphapercent]" prefix
760 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
761 {
762 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
763 name += skip;
764 }
765
766 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
767 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
768 {
769 XColor xc;
770
771 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
772 {
773 c.r = xc.red;
774 c.g = xc.green;
775 c.b = xc.blue;
776 }
777 else
778 {
779 c.r = 0xffff;
780 c.g = 0x6969;
781 c.b = 0xb4b4;
782
783 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
784 }
785 }
786
787 return set (screen, c);
788}
789
790bool
791rxvt_color::set (rxvt_screen *screen, const rgba &color)
792{
793 bool got = alloc (screen, color);
794
795#if !ENABLE_MINIMAL
796 int cmap_size = screen->visual->map_entries;
797
798 if (!got
799 && screen->visual->c_class == PseudoColor
800 && cmap_size < 4096)
801 {
802 XColor *colors = new XColor [screen->visual->map_entries];
803
804 for (int i = 0; i < cmap_size; i++)
805 colors [i].pixel = i;
806
807 // many kilobytes transfer per colour, but pseudocolor isn't worth
808 // many extra optimisations.
809 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
810
811 int diff = 0x7fffffffUL;
812 XColor *best = colors;
813
814 for (int i = 0; i < cmap_size; i++)
815 {
816 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
817 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
818 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
819
820 if (d < diff)
821 {
822 diff = d;
823 best = colors + i;
824 }
825 }
826
827 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
828 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
829
830 got = alloc (screen, rgba (best->red, best->green, best->blue));
831
832 delete [] colors;
833 }
834#endif
835
836 return got;
837}
838
839void
840rxvt_color::get (rgba &color)
417{ 841{
418#if XFT 842#if XFT
419 return XftColorAllocName (display->display, display->visual, display->cmap, 843 color.r = c.color.red;
420 name, &c); 844 color.g = c.color.green;
845 color.b = c.color.blue;
846 color.a = c.color.alpha;
421#else 847#else
422 XColor xc; 848 color.r = c.red;
849 color.g = c.green;
850 color.b = c.blue;
851 color.a = rgba::MAX_CC;
852#endif
853}
423 854
424 if (XParseColor (display->display, display->cmap, name, &xc)) 855void
425 return set (display, xc.red, xc.green, xc.blue); 856rxvt_color::get (XColor &color)
857{
858 rgba c;
859 get (c);
860
861 color.red = c.r;
862 color.green = c.g;
863 color.blue = c.b;
864 color.pixel = (Pixel)*this;
865}
866
867void
868rxvt_color::free (rxvt_screen *screen)
869{
870 if (screen->visual->c_class == TrueColor)
871 return; // nothing to do
872
873#if XFT
874 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
875#else
876 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
877#endif
878}
879
880void
881rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
882{
883 rgba c;
884 get (c);
885
886 result.set (
887 screen,
888 rgba (
889 lerp (c.r, to.r, percent),
890 lerp (c.g, to.g, percent),
891 lerp (c.b, to.b, percent),
892 lerp (c.a, to.a, percent)
893 )
894 );
895}
896
897rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, sel_cb cb, void *ptr)
898: display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr)
899{
900 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
901
902 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
903 timer_ev.repeat = 10.;
904 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
905
906 incr_buf = 0;
907 incr_buf_size = incr_buf_fill = 0;
908 selection_wait = Sel_normal;
909 selection_type = selnum;
910}
911
912void
913rxvt_selection::run ()
914{
915 int selnum = selection_type;
916
917#if X_HAVE_UTF8_STRING
918 selection_type = Sel_UTF8String;
919 if (request (display->xa[XA_UTF8_STRING], selnum))
920 return;
921#else
922 selection_type = Sel_CompoundText;
923 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
924 return;
925#endif
926
927 // fallback to CUT_BUFFER0 if the requested property has no owner
928 handle_selection (display->root, XA_CUT_BUFFER0, false);
929}
930
931rxvt_selection::~rxvt_selection ()
932{
933 stop ();
934}
935
936void
937rxvt_selection::stop ()
938{
939 free (incr_buf);
940 incr_buf = 0;
941 timer_ev.stop ();
942 x_ev.stop (display);
943}
944
945bool
946rxvt_selection::request (Atom target, int selnum)
947{
948 Atom sel;
949
950 selection_type |= selnum;
951
952 if (selnum == Sel_Primary)
953 sel = XA_PRIMARY;
954 else if (selnum == Sel_Secondary)
955 sel = XA_SECONDARY;
956 else
957 sel = display->xa[XA_CLIPBOARD];
958
959 if (XGetSelectionOwner (display->dpy, sel) != None)
960 {
961 XConvertSelection (display->dpy, sel, target, request_prop,
962 request_win, request_time);
963 x_ev.start (display, request_win);
964 timer_ev.again ();
965 return true;
966 }
426 967
427 return false; 968 return false;
428#endif
429} 969}
430 970
431bool
432rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
433{
434 XColor xc;
435
436 xc.red = cr;
437 xc.green = cg;
438 xc.blue = cb;
439 xc.flags = DoRed | DoGreen | DoBlue;
440
441 if (XAllocColor (display->display, display->cmap, &xc))
442 return set (display, xc.pixel);
443
444 return false;
445}
446
447void 971void
448rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 972rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
449{ 973{
450#if XFT 974 Display *dpy = display->dpy;
451 cr = c.color.red; 975 char *data = 0;
452 cg = c.color.green; 976 unsigned int data_len = 0;
453 cb = c.color.blue; 977 unsigned long bytes_after;
454#else 978 XTextProperty ct;
455 XColor c;
456 979
457 c.pixel = p; 980 // check for failed XConvertSelection
458 XQueryColor (display->display, display->cmap, &c); 981 if (prop == None)
982 {
983 bool error = true;
984 int selnum = selection_type & Sel_whereMask;
459 985
460 cr = c.red; 986 if (selection_type & Sel_CompoundText)
461 cg = c.green; 987 {
462 cb = c.blue; 988 selection_type = 0;
463#endif 989 error = !request (XA_STRING, selnum);
464} 990 }
465 991
992 if (selection_type & Sel_UTF8String)
993 {
994 selection_type = Sel_CompoundText;
995 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
996 }
997
998 if (error)
999 {
1000 ct.value = 0;
1001 goto bailout;
1002 }
1003
1004 return;
1005 }
1006
1007 // length == (2^31 - 1) / 4, as gdk
1008 if (XGetWindowProperty (dpy, win, prop,
1009 0, 0x1fffffff,
1010 delete_prop, AnyPropertyType,
1011 &ct.encoding, &ct.format,
1012 &ct.nitems, &bytes_after,
1013 &ct.value) != Success)
1014 {
1015 ct.value = 0;
1016 goto bailout;
1017 }
1018
1019 if (ct.encoding == None)
1020 goto bailout;
1021
1022 if (ct.value == 0)
1023 goto bailout;
1024
1025 if (ct.encoding == display->xa[XA_INCR])
1026 {
1027 // INCR selection, start handshake
1028 if (!delete_prop)
1029 XDeleteProperty (dpy, win, prop);
1030
1031 selection_wait = Sel_incr;
1032 timer_ev.again ();
1033
1034 goto bailout;
1035 }
1036
1037 if (ct.nitems == 0)
1038 {
1039 if (selection_wait == Sel_incr)
1040 {
1041 XFree (ct.value);
1042
1043 // finally complete, now paste the whole thing
1044 selection_wait = Sel_normal;
1045 ct.value = (unsigned char *)incr_buf;
1046 ct.nitems = incr_buf_fill;
1047 incr_buf = 0;
1048 timer_ev.stop ();
1049 }
1050 else
1051 {
1052 // avoid recursion
1053 if (win != display->root || prop != XA_CUT_BUFFER0)
1054 {
1055 XFree (ct.value);
1056
1057 // fallback to CUT_BUFFER0 if the requested property
1058 // has an owner but is empty
1059 handle_selection (display->root, XA_CUT_BUFFER0, False);
1060 return;
1061 }
1062
1063 goto bailout;
1064 }
1065 }
1066 else if (selection_wait == Sel_incr)
1067 {
1068 timer_ev.again ();
1069
1070 while (incr_buf_fill + ct.nitems > incr_buf_size)
1071 {
1072 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1073 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1074 }
1075
1076 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1077 incr_buf_fill += ct.nitems;
1078
1079 goto bailout;
1080 }
1081
1082 char **cl;
1083 int cr;
1084
1085 // we honour the first item only
1086
1087#if !ENABLE_MINIMAL
1088 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1089 // so recode it manually
1090 if (ct.encoding == display->xa[XA_UTF8_STRING])
1091 {
1092 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1093 data = rxvt_wcstombs (w);
1094 free (w);
1095 }
1096 else
1097#endif
1098 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1099 && cl)
1100 {
1101 data = strdup (cl[0]);
1102 XFreeStringList (cl);
1103 }
1104 else
1105 {
1106 // paste raw
1107 data = strdup ((const char *)ct.value);
1108 }
1109
1110 data_len = strlen (data);
1111
1112bailout:
1113 XFree (ct.value);
1114
1115 if (selection_wait == Sel_normal)
1116 {
1117 stop ();
1118 request_cb (data, data_len, this, user_data);
1119 free (data);
1120 }
1121}
1122
466void 1123void
467rxvt_color::free (rxvt_display *display) 1124rxvt_selection::timer_cb (ev::timer &w, int revents)
468{ 1125{
469#if XFT 1126 if (selection_wait == Sel_incr)
470 XftColorFree (display->display, display->visual, display->cmap, &c); 1127 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
471#else
472 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
473#endif
474}
475 1128
476rxvt_color 1129 stop ();
477rxvt_color::fade (rxvt_display *display, int percent) 1130 request_cb (NULL, 0, this, user_data);
478{
479 percent = 100 - percent;
480
481 unsigned short cr, cg, cb;
482 rxvt_color faded;
483
484 get (display, cr, cg, cb);
485
486 faded.set (
487 display,
488 cr * percent / 100,
489 cg * percent / 100,
490 cb * percent / 100
491 );
492
493 return faded;
494} 1131}
495 1132
496#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1133void
497 1134rxvt_selection::x_cb (XEvent &xev)
498rxvt_color
499rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
500{ 1135{
501 percent = 100 - percent; 1136 switch (xev.type)
1137 {
1138 case PropertyNotify:
1139 if (selection_wait == Sel_incr
1140 && xev.xproperty.atom == request_prop
1141 && xev.xproperty.state == PropertyNewValue)
1142 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1143 break;
502 1144
503 unsigned short cr, cg, cb; 1145 case SelectionNotify:
504 unsigned short fcr, fcg, fcb; 1146 if (selection_wait == Sel_normal
505 rxvt_color faded; 1147 && xev.xselection.time == request_time
506 1148 && xev.xselection.property == request_prop)
507 get (display, cr, cg, cb); 1149 {
508 fadeto.get(display, fcr, fcg, fcb); 1150 timer_ev.stop ();
509 1151 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
510 faded.set ( 1152 }
511 display, 1153 break;
512 LERP (cr, fcr, percent), 1154 }
513 LERP (cg, fcg, percent),
514 LERP (cb, fcb, percent)
515 );
516
517 return faded;
518} 1155}
519

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