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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.1 by root, Sun Aug 15 00:37:04 2004 UTC vs.
Revision 1.113 by sf-exg, Fri Jan 14 11:09:54 2011 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtcolor.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 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * 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 9 * 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 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
25#include <rxvttoolkit.h> 25#include <rxvttoolkit.h>
26 26
27#include <unistd.h> 27#include <unistd.h>
28#include <fcntl.h> 28#include <fcntl.h>
29 29
30#ifndef NO_SLOW_LINK_SUPPORT 30#include <sys/utsname.h>
31# include <sys/socket.h> 31#include <sys/socket.h>
32# include <sys/un.h> 32#include <sys/un.h>
33
34#if XFT
35# include <X11/extensions/Xrender.h>
36#endif
37
38static const char *const xa_names[] =
39{
40 "TEXT",
41 "COMPOUND_TEXT",
42 "UTF8_STRING",
43 "MULTIPLE",
44 "TARGETS",
45 "TIMESTAMP",
46 "VT_SELECTION",
47 "INCR",
48 "WM_PROTOCOLS",
49 "WM_DELETE_WINDOW",
50 "CLIPBOARD",
51 "AVERAGE_WIDTH",
52 "WEIGHT_NAME",
53 "SLANT",
54 "CHARSET_REGISTRY",
55 "CHARSET_ENCODING",
56#if ENABLE_FRILLS
57 "_MOTIF_WM_HINTS",
58#endif
59#if ENABLE_EWMH
60 "_NET_WM_PID",
61 "_NET_WM_NAME",
62 "_NET_WM_ICON_NAME",
63 "_NET_WM_PING",
64 "_NET_WM_ICON",
65#endif
66#if USE_XIM
67 "WM_LOCALE_NAME",
68 "XIM_SERVERS",
69#endif
70#ifdef ENABLE_TRANSPARENCY
71 "_XROOTPMAP_ID",
72 "ESETROOT_PMAP_ID",
73#endif
74#if ENABLE_XEMBED
75 "_XEMBED",
76 "_XEMBED_INFO",
77#endif
78#if !ENABLE_MINIMAL
79 "SCREEN_RESOURCES",
80 "XDCCC_LINEAR_RGB_CORRECTION",
81 "XDCCC_LINEAR_RGB_MATRICES",
82 "WM_COLORMAP_WINDOWS",
83 "WM_STATE",
84 "cursor",
85# if USE_XIM
86 "TRANSPORT",
87 "LOCALES",
88 "_XIM_PROTOCOL",
89 "_XIM_XCONNECT",
90 "_XIM_MOREDATA",
33#endif 91# endif
92#endif
93};
94
95/////////////////////////////////////////////////////////////////////////////
34 96
35refcounted::refcounted (const char *id) 97refcounted::refcounted (const char *id)
36{ 98{
37 this->id = STRDUP (id); 99 this->id = strdup (id);
38} 100}
39 101
40refcounted::~refcounted () 102refcounted::~refcounted ()
41{ 103{
42 free (id); 104 free (id);
… …
47{ 109{
48 for (T **i = this->begin (); i < this->end (); ++i) 110 for (T **i = this->begin (); i < this->end (); ++i)
49 { 111 {
50 if (!strcmp (id, (*i)->id)) 112 if (!strcmp (id, (*i)->id))
51 { 113 {
52 (*i)->referenced++; 114 ++(*i)->referenced;
115 (*i)->ref_next ();
53 return *i; 116 return *i;
54 } 117 }
55 } 118 }
56 119
57 T *obj = new T (id); 120 T *obj = new T (id);
58 121
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 122 if (obj && obj->ref_init ())
62 { 123 {
124 obj->referenced = 1;
63 this->push_back (obj); 125 this->push_back (obj);
64 return obj; 126 return obj;
65 } 127 }
66 else 128 else
67 { 129 {
… …
82 delete obj; 144 delete obj;
83 } 145 }
84} 146}
85 147
86template<class T> 148template<class T>
87refcache<T>::~refcache () 149void refcache<T>::clear ()
88{ 150{
89 while (this->size ()) 151 while (this->size ())
90 put (*this->begin ()); 152 put (*this->begin ());
91} 153}
92 154
93///////////////////////////////////////////////////////////////////////////// 155/////////////////////////////////////////////////////////////////////////////
94 156
95#ifdef USE_XIM 157#ifdef USE_XIM
158
96static void 159static void
97#if XIMCB_PROTO_BROKEN 160#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 161im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 162#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 163im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
101#endif 164#endif
102{ 165{
103 rxvt_xim *xim = (rxvt_xim *)client_data; 166 rxvt_xim *xim = (rxvt_xim *)client_data;
104 rxvt_display *display = xim->display; 167 rxvt_display *display = xim->display;
105 168
169 xim->xim = 0;
170
106 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 171 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
107
108 display->im_change_cb (); 172 display->im_change_cb ();
109} 173}
110 174
175bool
111bool rxvt_xim::init () 176rxvt_xim::ref_init ()
112{ 177{
113 display = GET_R->display; //HACK: TODO 178 display = GET_R->display; //HACK: TODO
114 179
115 xim = XOpenIM (display->display, NULL, NULL, NULL); 180 xim = XOpenIM (display->dpy, 0, 0, 0);
116 181
117 if (!xim) 182 if (!xim)
118 return false; 183 return false;
119 184
120 XIMCallback ximcallback; 185 XIMCallback ximcallback;
121 ximcallback.client_data = (XPointer)this; 186 ximcallback.client_data = (XPointer)this;
122 ximcallback.callback = im_destroy_cb; 187 ximcallback.callback = im_destroy_cb;
123 188
124 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 189 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
125 190
126 return true; 191 return true;
127} 192}
128 193
129rxvt_xim::~rxvt_xim () 194rxvt_xim::~rxvt_xim ()
130{ 195{
131 if (xim) 196 if (xim)
132 XCloseIM (xim); 197 XCloseIM (xim);
133} 198}
199
134#endif 200#endif
201
202/////////////////////////////////////////////////////////////////////////////
203
204#if XFT
205rxvt_drawable::~rxvt_drawable ()
206{
207 if (xftdrawable)
208 XftDrawDestroy (xftdrawable);
209}
210
211rxvt_drawable::operator XftDraw *()
212{
213 if (!xftdrawable)
214 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
215
216 return xftdrawable;
217}
218#endif
219
220/////////////////////////////////////////////////////////////////////////////
221
222#if XFT
223
224// not strictly necessary as it is only used with superclass of zero_initialised
225rxvt_screen::rxvt_screen ()
226: scratch_area (0)
227{
228}
229
230rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
231{
232 if (!scratch_area || w > scratch_w || h > scratch_h)
233 {
234 if (scratch_area)
235 {
236 XFreePixmap (dpy, scratch_area->drawable);
237 delete scratch_area;
238 }
239
240 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
241 scratch_w = w, scratch_h = h, depth);
242
243 scratch_area = new rxvt_drawable (this, pm);
244 }
245
246 return *scratch_area;
247}
248
249#endif
250
251void
252rxvt_screen::set (rxvt_display *disp)
253{
254 display = disp;
255 dpy = disp->dpy;
256
257 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
258
259 depth = DefaultDepthOfScreen (screen);
260 visual = DefaultVisualOfScreen (screen);
261 cmap = DefaultColormapOfScreen (screen);
262}
263
264void
265rxvt_screen::select_visual (int bitdepth)
266{
267#if XFT
268 XVisualInfo vinfo;
269
270 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
271 {
272 depth = bitdepth;
273 visual = vinfo.visual;
274 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
275 }
276#endif
277}
278
279void
280rxvt_screen::clear ()
281{
282#if XFT
283 if (scratch_area)
284 {
285 XFreePixmap (dpy, scratch_area->drawable);
286 delete scratch_area;
287 }
288#endif
289
290 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
291 XFreeColormap (dpy, cmap);
292}
135 293
136///////////////////////////////////////////////////////////////////////////// 294/////////////////////////////////////////////////////////////////////////////
137 295
138rxvt_display::rxvt_display (const char *id) 296rxvt_display::rxvt_display (const char *id)
139: refcounted (id) 297: refcounted (id)
140, x_ev (this, &rxvt_display::x_cb)
141, selection_owner (0) 298, selection_owner (0)
299, clipboard_owner (0)
142{ 300{
301 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
302 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
143} 303}
144 304
305XrmDatabase
306rxvt_display::get_resources (bool refresh)
307{
308 char *homedir = getenv ("HOME");
309 char fname[1024];
310
311 /*
312 * get resources using the X library function
313 */
314 char *displayResource, *xe;
315 XrmDatabase rdb1, database = 0;
316
317 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
318 // as opposed to "standard practise", we always read in ~/.Xdefaults
319
320 // 6. System wide per application default file.
321
322 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
323 if ((xe = getenv ("XAPPLRESDIR")))
324 {
325 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
326
327 if ((rdb1 = XrmGetFileDatabase (fname)))
328 XrmMergeDatabases (rdb1, &database);
329 }
330
331 // 5. User's per application default file.
332 // none
333
334 // 4. User's defaults file.
335 if (homedir)
336 {
337 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
338
339 if ((rdb1 = XrmGetFileDatabase (fname)))
340 XrmMergeDatabases (rdb1, &database);
341 }
342
343 /* Get any Xserver defaults */
344 if (refresh)
345 {
346 // fucking xlib keeps a copy of the rm string
347 Atom actual_type;
348 int actual_format;
349 unsigned long nitems, nremaining;
350 char *val = 0;
351
352#if XLIB_ILLEGAL_ACCESS
353 if (dpy->xdefaults)
354 XFree (dpy->xdefaults);
355#endif
356
357 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
358 0L, 100000000L, False,
359 XA_STRING, &actual_type, &actual_format,
360 &nitems, &nremaining,
361 (unsigned char **)&val) == Success
362 && actual_type == XA_STRING
363 && actual_format == 8)
364 displayResource = val;
365 else
366 {
367 displayResource = 0;
368
369 if (val)
370 XFree (val);
371 }
372
373#if XLIB_ILLEGAL_ACCESS
374 dpy->xdefaults = displayResource;
375#endif
376 }
377 else
378 displayResource = XResourceManagerString (dpy);
379
380 if (displayResource)
381 {
382 if ((rdb1 = XrmGetStringDatabase (displayResource)))
383 XrmMergeDatabases (rdb1, &database);
384 }
385
386#if !XLIB_ILLEGAL_ACCESS
387 if (refresh && displayResource)
388 XFree (displayResource);
389#endif
390
391 /* Get screen specific resources */
392 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
393
394 if (displayResource)
395 {
396 if ((rdb1 = XrmGetStringDatabase (displayResource)))
397 /* Merge with screen-independent resources */
398 XrmMergeDatabases (rdb1, &database);
399
400 XFree (displayResource);
401 }
402
403 // 3. User's per host defaults file
404 /* Add in XENVIRONMENT file */
405 if ((xe = getenv ("XENVIRONMENT"))
406 && (rdb1 = XrmGetFileDatabase (xe)))
407 XrmMergeDatabases (rdb1, &database);
408 else if (homedir)
409 {
410 struct utsname un;
411
412 if (!uname (&un))
413 {
414 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
415
416 if ((rdb1 = XrmGetFileDatabase (fname)))
417 XrmMergeDatabases (rdb1, &database);
418 }
419 }
420
421 return database;
422}
423
145bool rxvt_display::init () 424bool rxvt_display::ref_init ()
146{ 425{
426#ifdef LOCAL_X_IS_UNIX
427 if (id[0] == ':')
428 {
429 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
430 return false;
431 strcpy (val, "unix/");
432 strcat (val, id);
433 dpy = XOpenDisplay (val);
434 }
435 else
436#endif
437 dpy = 0;
438
439 if (!dpy)
147 display = XOpenDisplay (id); 440 dpy = XOpenDisplay (id);
148 441
149 if (!display) 442 if (!dpy)
150 return false; 443 return false;
151 444
152 screen = DefaultScreen (display); 445 screen = DefaultScreen (dpy);
153 root = DefaultRootWindow (display); 446 root = DefaultRootWindow (dpy);
154 visual = DefaultVisual (display, screen);
155 cmap = DefaultColormap (display, screen);
156 depth = DefaultDepth (display, screen);
157 447
448 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
449 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
450
451 XrmSetDatabase (dpy, get_resources (false));
452
453#ifdef POINTER_BLANK
454 XColor blackcolour;
455 blackcolour.red = 0;
456 blackcolour.green = 0;
457 blackcolour.blue = 0;
458 Font f = XLoadFont (dpy, "fixed");
459 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
460 &blackcolour, &blackcolour);
461 XUnloadFont (dpy, f);
462#endif
463
158 int fd = XConnectionNumber (display); 464 int fd = XConnectionNumber (dpy);
159 465
160#ifndef NO_SLOW_LINK_SUPPORT
161 // try to detetc wether we have a local connection. 466 // try to detect whether we have a local connection.
162 // assume unix domains socket == local, everything else not 467 // assume unix domain socket == local, everything else not
163 // TODO: might want to check for inet/127.0.0.1 468 // TODO: might want to check for inet/127.0.0.1
164 is_local = 0; 469 is_local = 0;
165 sockaddr_un sa; 470 sockaddr_un sa;
166 socklen_t sl = sizeof (sa); 471 socklen_t sl = sizeof (sa);
167 472
168 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 473 if (!getsockname (fd, (sockaddr *)&sa, &sl))
169 is_local = sa.sun_family == AF_LOCAL; 474 is_local = sa.sun_family == AF_UNIX;
170#endif
171 475
172#ifdef PREFER_24BIT 476 flush_ev.start ();
173 /*
174 * If depth is not 24, look for a 24bit visual.
175 */
176 if (depth != 24)
177 {
178 XVisualInfo vinfo;
179
180 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
181 {
182 depth = 24;
183 visual = vinfo.visual;
184 cmap = XCreateColormap (display,
185 RootWindow (display, screen),
186 visual, AllocNone);
187 }
188 }
189#endif
190
191 x_ev.start (fd, EVENT_READ); 477 x_ev.start (fd, ev::READ);
192 fcntl (fd, F_SETFD, FD_CLOEXEC); 478 fcntl (fd, F_SETFD, FD_CLOEXEC);
193 479
194 XSelectInput (display, root, PropertyChangeMask); 480 XSelectInput (dpy, root, PropertyChangeMask);
481
482 flush ();
483
484 return true;
485}
486
487void
488rxvt_display::ref_next ()
489{
490 // TODO: somehow check whether the database files/resources changed
491 // before affording re-loading/parsing
492 XrmDestroyDatabase (XrmGetDatabase (dpy));
493 XrmSetDatabase (dpy, get_resources (true));
494}
495
496rxvt_display::~rxvt_display ()
497{
498 if (!dpy)
499 return;
500
501#ifdef POINTER_BLANK
502 XFreeCursor (dpy, blank_cursor);
503#endif
504 x_ev.stop ();
505 flush_ev.stop ();
195#ifdef USE_XIM 506#ifdef USE_XIM
196 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0); 507 xims.clear ();
197#endif 508#endif
198 509 XrmDestroyDatabase (XrmGetDatabase (dpy));
199 flush ();
200
201 return true;
202}
203
204rxvt_display::~rxvt_display ()
205{
206 x_ev.stop ();
207
208 if (display)
209 XCloseDisplay (display); 510 XCloseDisplay (dpy);
210} 511}
211 512
212#ifdef USE_XIM 513#ifdef USE_XIM
213void rxvt_display::im_change_cb () 514void rxvt_display::im_change_cb ()
214{ 515{
215 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 516 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
216 (*i)->call (); 517 (*i)->call ();
217} 518}
218#endif
219 519
520void rxvt_display::im_change_check ()
521{
522 // try to only call im_change_cb when a new input method
523 // registers, as xlib crashes due to a race otherwise.
524 Atom actual_type, *atoms;
525 int actual_format;
526 unsigned long nitems, bytes_after;
527
528 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
529 False, XA_ATOM, &actual_type, &actual_format,
530 &nitems, &bytes_after, (unsigned char **)&atoms)
531 != Success)
532 return;
533
534 if (actual_type == XA_ATOM && actual_format == 32)
535 for (int i = 0; i < nitems; i++)
536 if (XGetSelectionOwner (dpy, atoms[i]))
537 {
538 im_change_cb ();
539 break;
540 }
541
542 XFree (atoms);
543}
544#endif
545
220void rxvt_display::x_cb (io_watcher &w, short revents) 546void rxvt_display::x_cb (ev::io &w, int revents)
221{ 547{
548 flush_ev.start ();
549}
550
551void rxvt_display::flush_cb (ev::prepare &w, int revents)
552{
553 while (XEventsQueued (dpy, QueuedAfterFlush))
222 do 554 do
223 { 555 {
224 XEvent xev; 556 XEvent xev;
225 XNextEvent (display, &xev); 557 XNextEvent (dpy, &xev);
226
227 //printf ("T %d w %lx\n", xev.type, xev.xany.window);//D
228 558
229#ifdef USE_XIM 559#ifdef USE_XIM
560 if (!XFilterEvent (&xev, None))
561 {
230 if (xev.type == PropertyNotify 562 if (xev.type == PropertyNotify
231 && xev.xany.window == root 563 && xev.xany.window == root
232 && xev.xproperty.atom == xa_xim_servers) 564 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
233 im_change_cb (); 565 im_change_check ();
234#endif 566#endif
567 if (xev.type == MappingNotify)
568 XRefreshKeyboardMapping (&xev.xmapping);
235 569
236 for (int i = xw.size (); i--; ) 570 for (int i = xw.size (); i--; )
237 { 571 {
238 if (!xw[i]) 572 if (!xw[i])
239 xw.erase_unordered (i); 573 xw.erase_unordered (i);
240 else if (xw[i]->window == xev.xany.window) 574 else if (xw[i]->window == xev.xany.window)
241 xw[i]->call (xev); 575 xw[i]->call (xev);
576 }
577#ifdef USE_XIM
242 } 578 }
579#endif
243 } 580 }
244 while (XPending (display)); 581 while (XEventsQueued (dpy, QueuedAlready));
245 582
246 flush (); 583 w.stop ();
247}
248
249void rxvt_display::flush ()
250{
251 for (;;)
252 {
253 if (!XPending (display))
254 break;
255
256 x_cb (x_ev, 0);
257 }
258} 584}
259 585
260void rxvt_display::reg (xevent_watcher *w) 586void rxvt_display::reg (xevent_watcher *w)
261{ 587{
588 if (!w->active)
589 {
262 xw.push_back (w); 590 xw.push_back (w);
263 w->active = xw.size (); 591 w->active = xw.size ();
592 }
264} 593}
265 594
266void rxvt_display::unreg (xevent_watcher *w) 595void rxvt_display::unreg (xevent_watcher *w)
267{ 596{
268 if (w->active) 597 if (w->active)
598 {
269 xw[w->active - 1] = 0; 599 xw[w->active - 1] = 0;
600 w->active = 0;
601 }
270} 602}
271 603
272void rxvt_display::set_selection_owner (rxvt_term *owner) 604void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
273{ 605{
606 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
607
274 if (selection_owner && selection_owner != owner) 608 if (cur_owner && cur_owner != owner)
275 selection_owner->selection_clear (); 609 {
610 rxvt_term *term = cur_owner;
611 term->selection_clear (clipboard);
612 term->flush ();
613 }
276 614
277 selection_owner = owner; 615 cur_owner = owner;
278} 616}
279 617
280#ifdef USE_XIM 618#ifdef USE_XIM
619
281void rxvt_display::reg (im_watcher *w) 620void rxvt_display::reg (im_watcher *w)
282{ 621{
283 imw.push_back (w); 622 imw.push_back (w);
284} 623}
285 624
… …
294 int l, m; 633 int l, m;
295 634
296 l = strlen (locale); 635 l = strlen (locale);
297 m = strlen (modifiers); 636 m = strlen (modifiers);
298 637
299 if (!(id = (char *)malloc (l + m + 2))) 638 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
300 return 0; 639 return 0;
301 640
302 memcpy (id, locale, l); id[l] = '\n'; 641 memcpy (id, locale, l); id[l] = '\n';
303 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 642 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
304 643
305 rxvt_xim *xim = xims.get (id); 644 rxvt_xim *xim = xims.get (id);
306 645
307 free (id);
308
309 return xim; 646 return xim;
310} 647}
311 648
312void rxvt_display::put_xim (rxvt_xim *xim) 649void rxvt_display::put_xim (rxvt_xim *xim)
313{ 650{
651# if XLIB_IS_RACEFREE
314 xims.put (xim); 652 xims.put (xim);
653# endif
315} 654}
655
316#endif 656#endif
317 657
318Atom rxvt_display::atom (const char *name) 658Atom rxvt_display::atom (const char *name)
319{ 659{
320 return XInternAtom (display, name, False); 660 return XInternAtom (dpy, name, False);
321} 661}
322 662
323///////////////////////////////////////////////////////////////////////////// 663/////////////////////////////////////////////////////////////////////////////
324 664
325template class refcache<rxvt_display>; 665template class refcache<rxvt_display>;
326refcache<rxvt_display> displays; 666refcache<rxvt_display> displays;
327 667
328///////////////////////////////////////////////////////////////////////////// 668/////////////////////////////////////////////////////////////////////////////
329 669//
670
671static unsigned int
672insert_component (unsigned int value, unsigned int mask, unsigned int shift)
673{
674 return (value * (mask + 1) >> 16) << shift;
675}
676
330bool 677bool
331rxvt_color::set (rxvt_display *display, Pixel p) 678rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
332{ 679{
680 //TODO: only supports 24 bit
681 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
682
333#if XFT 683#if XFT
334 XColor xc; 684 XRenderPictFormat *format;
335 685
336 xc.pixel = p; 686 // FUCKING Xft gets it wrong, of course, so work around it.
337 if (!XQueryColor (display->display, display->cmap, &xc)) 687 // Transparency users should eat shit and die, and then
338 return false; 688 // XRenderQueryPictIndexValues themselves plenty.
689 if ((screen->visual->c_class == TrueColor)
690 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
691 {
692 // the fun lies in doing everything manually...
693 c.color.red = color.r;
694 c.color.green = color.g;
695 c.color.blue = color.b;
696 c.color.alpha = alpha;
339 697
698 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
699 | insert_component (color.g, format->direct.greenMask, format->direct.green)
700 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
701 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
702
703 return true;
704 }
705 else
706 {
340 XRenderColor d; 707 XRenderColor d;
341 708
342 d.red = xc.red; 709 d.red = color.r;
343 d.green = xc.green; 710 d.green = color.g;
344 d.blue = xc.blue; 711 d.blue = color.b;
345 d.alpha = 0xffff; 712 d.alpha = alpha;
346 713
347 return 714 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
348 XftColorAllocValue (display->display, 715 }
349 display->visual,
350 display->cmap,
351 &d, &c);
352#else 716#else
353 this->p = p; 717 c.red = color.r;
354#endif 718 c.green = color.g;
719 c.blue = color.b;
355 720
721 if (screen->visual->c_class == TrueColor)
722 {
723 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
724 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
725 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
726
727 return true;
728 }
729 else if (XAllocColor (screen->dpy, screen->cmap, &c))
356 return true; 730 return true;
731 else
732 c.pixel = (color.r + color.g + color.b) > 128*3
733 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
734 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
735#endif
736
737 return false;
357} 738}
358 739
359bool 740bool
360rxvt_color::set (rxvt_display *display, const char *name) 741rxvt_color::set (rxvt_screen *screen, const char *name)
361{ 742{
743 rgba c;
744 char eos;
745 int skip;
746
747 c.a = rgba::MAX_CC;
748
749 // parse the nonstandard "[alphapercent]" prefix
750 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
751 {
752 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
753 name += skip;
754 }
755
756 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
757 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
758 {
362 XColor xc; 759 XColor xc;
363 760
364 if (XParseColor (display->display, display->cmap, name, &xc)) 761 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
365 return set (display, xc.red, xc.green, xc.blue); 762 {
763 c.r = xc.red;
764 c.g = xc.green;
765 c.b = xc.blue;
766 }
767 else
768 {
769 c.r = 0xffff;
770 c.g = 0x6969;
771 c.b = 0xb4b4;
366 772
367 return false; 773 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
774 }
775 }
776
777 return set (screen, c);
368} 778}
369 779
370bool 780bool
371rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb) 781rxvt_color::set (rxvt_screen *screen, const rgba &color)
372{ 782{
373 XColor xc; 783 bool got = alloc (screen, color);
374 784
375 xc.red = cr; 785#if !ENABLE_MINIMAL
376 xc.green = cg; 786 int cmap_size = screen->visual->map_entries;
377 xc.blue = cb;
378 xc.flags = DoRed | DoGreen | DoBlue;
379 787
380 if (XAllocColor (display->display, display->cmap, &xc)) 788 if (!got
381 return set (display, xc.pixel); 789 && screen->visual->c_class == PseudoColor
790 && cmap_size < 4096)
791 {
792 XColor *colors = new XColor [screen->visual->map_entries];
382 793
383 return false; 794 for (int i = 0; i < cmap_size; i++)
384} 795 colors [i].pixel = i;
385 796
797 // many kilobytes transfer per colour, but pseudocolor isn't worth
798 // many extra optimisations.
799 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
800
801 int diff = 0x7fffffffUL;
802 XColor *best = colors;
803
804 for (int i = 0; i < cmap_size; i++)
805 {
806 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
807 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
808 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
809
810 if (d < diff)
811 {
812 diff = d;
813 best = colors + i;
814 }
815 }
816
817 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
818 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
819
820 got = alloc (screen, rgba (best->red, best->green, best->blue));
821
822 delete [] colors;
823 }
824#endif
825
826 return got;
827}
828
386void 829void
387rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 830rxvt_color::get (rgba &color)
388{ 831{
389#if XFT 832#if XFT
390 cr = c.color.red; 833 color.r = c.color.red;
391 cg = c.color.green; 834 color.g = c.color.green;
392 cb = c.color.blue; 835 color.b = c.color.blue;
836 color.a = c.color.alpha;
393#else 837#else
394 XColor c;
395
396 c.pixel = p;
397 XQueryColor (display->display, display->cmap, &c);
398
399 cr = c.red; 838 color.r = c.red;
400 cg = c.green; 839 color.g = c.green;
401 cb = c.blue; 840 color.b = c.blue;
841 color.a = rgba::MAX_CC;
402#endif 842#endif
403} 843}
404 844
405void 845void
406rxvt_color::free (rxvt_display *display) 846rxvt_color::get (XColor &color)
407{ 847{
848 rgba c;
849 get (c);
850
851 color.red = c.r;
852 color.green = c.g;
853 color.blue = c.b;
854 color.pixel = (Pixel)*this;
855}
856
857void
858rxvt_color::free (rxvt_screen *screen)
859{
860 if (screen->visual->c_class == TrueColor)
861 return; // nothing to do
862
408#if XFT 863#if XFT
409 XftColorFree (display->display, display->visual, display->cmap, &c); 864 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
410#else 865#else
411 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes); 866 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
412#endif 867#endif
413} 868}
414 869
415rxvt_color 870void
416rxvt_color::fade (rxvt_display *display, int percent) 871rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
417{ 872{
418 unsigned short cr, cg, cb; 873 rgba c;
419 rxvt_color faded; 874 get (c);
420 875
421 get (display, cr, cg, cb); 876 result.set (
422 faded.set (display, 877 screen,
423 cr * percent / 100, 878 rgba (
424 cg * percent / 100, 879 lerp (c.r, to.r, percent),
425 cb * percent / 100); 880 lerp (c.g, to.g, percent),
426 881 lerp (c.b, to.b, percent),
427 return faded; 882 lerp (c.a, to.a, percent)
883 )
884 );
428} 885}
429 886

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